Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1 | /* |
| 2 | * HTT/1 mux-demux for connections |
| 3 | * |
| 4 | * Copyright 2018 Christopher Faulet <cfaulet@haproxy.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | */ |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 12 | #include <import/ebistree.h> |
| 13 | |
Willy Tarreau | 4c7e4b7 | 2020-05-27 12:58:42 +0200 | [diff] [blame] | 14 | #include <haproxy/api.h> |
Willy Tarreau | 6be7849 | 2020-06-05 00:00:29 +0200 | [diff] [blame] | 15 | #include <haproxy/cfgparse.h> |
Willy Tarreau | 7ea393d | 2020-06-04 18:02:10 +0200 | [diff] [blame] | 16 | #include <haproxy/connection.h> |
Willy Tarreau | 5413a87 | 2020-06-02 19:33:08 +0200 | [diff] [blame] | 17 | #include <haproxy/h1.h> |
Willy Tarreau | c6fe884 | 2020-06-04 09:00:02 +0200 | [diff] [blame] | 18 | #include <haproxy/h1_htx.h> |
Willy Tarreau | bf07314 | 2020-06-03 12:04:01 +0200 | [diff] [blame] | 19 | #include <haproxy/h2.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 20 | #include <haproxy/http_htx.h> |
Willy Tarreau | 16f958c | 2020-06-03 08:44:35 +0200 | [diff] [blame] | 21 | #include <haproxy/htx.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 22 | #include <haproxy/istbuf.h> |
| 23 | #include <haproxy/log.h> |
Willy Tarreau | 551271d | 2020-06-04 08:32:23 +0200 | [diff] [blame] | 24 | #include <haproxy/pipe-t.h> |
Willy Tarreau | adc0240 | 2021-05-08 20:28:54 +0200 | [diff] [blame] | 25 | #include <haproxy/proxy.h> |
Willy Tarreau | 48d25b3 | 2020-06-04 18:58:52 +0200 | [diff] [blame] | 26 | #include <haproxy/session-t.h> |
Willy Tarreau | dfd3de8 | 2020-06-04 23:46:14 +0200 | [diff] [blame] | 27 | #include <haproxy/stream.h> |
Willy Tarreau | 5e539c9 | 2020-06-04 20:45:39 +0200 | [diff] [blame] | 28 | #include <haproxy/stream_interface.h> |
Willy Tarreau | c6d61d7 | 2020-06-04 19:02:42 +0200 | [diff] [blame] | 29 | #include <haproxy/trace.h> |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 30 | |
| 31 | /* |
| 32 | * H1 Connection flags (32 bits) |
| 33 | */ |
| 34 | #define H1C_F_NONE 0x00000000 |
| 35 | |
| 36 | /* Flags indicating why writing output data are blocked */ |
| 37 | #define H1C_F_OUT_ALLOC 0x00000001 /* mux is blocked on lack of output buffer */ |
| 38 | #define H1C_F_OUT_FULL 0x00000002 /* mux is blocked on output buffer full */ |
| 39 | /* 0x00000004 - 0x00000008 unused */ |
| 40 | |
| 41 | /* Flags indicating why reading input data are blocked. */ |
| 42 | #define H1C_F_IN_ALLOC 0x00000010 /* mux is blocked on lack of input buffer */ |
| 43 | #define H1C_F_IN_FULL 0x00000020 /* mux is blocked on input buffer full */ |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 44 | #define H1C_F_IN_SALLOC 0x00000040 /* mux is blocked on lack of stream's request buffer */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 45 | |
Christopher Faulet | 7b109f2 | 2019-12-05 11:18:31 +0100 | [diff] [blame] | 46 | /* Flags indicating the connection state */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 47 | #define H1C_F_ST_EMBRYONIC 0x00000100 /* Set when a H1 stream with no conn-stream is attached to the connection */ |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 48 | #define H1C_F_ST_ATTACHED 0x00000200 /* Set when a H1 stream with a conn-stream is attached to the connection (may be not READY) */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 49 | #define H1C_F_ST_IDLE 0x00000400 /* connection is idle and may be reused |
| 50 | * (exclusive to all H1C_F_ST flags and never set when an h1s is attached) */ |
| 51 | #define H1C_F_ST_ERROR 0x00000800 /* connection must be closed ASAP because an error occurred (conn-stream may still be attached) */ |
| 52 | #define H1C_F_ST_SHUTDOWN 0x00001000 /* connection must be shut down ASAP flushing output first (conn-stream may still be attached) */ |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 53 | #define H1C_F_ST_READY 0x00002000 /* Set in ATTACHED state with a READY conn-stream. A conn-stream is not ready when |
| 54 | * a TCP>H1 upgrade is in progress Thus this flag is only set if ATTACHED is also set */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 55 | #define H1C_F_ST_ALIVE (H1C_F_ST_IDLE|H1C_F_ST_EMBRYONIC|H1C_F_ST_ATTACHED) |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 56 | #define H1C_F_ST_SILENT_SHUT 0x00004000 /* silent (or dirty) shutdown must be performed */ |
| 57 | /* 0x00008000 unused */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 58 | |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 59 | #define H1C_F_WANT_SPLICE 0x00010000 /* Don't read into a buffer because we want to use or we are using splicing */ |
| 60 | #define H1C_F_ERR_PENDING 0x00020000 /* Send an error and close the connection ASAP (implies H1C_F_ST_ERROR) */ |
| 61 | #define H1C_F_WAIT_NEXT_REQ 0x00040000 /* waiting for the next request to start, use keep-alive timeout */ |
| 62 | #define H1C_F_UPG_H2C 0x00080000 /* set if an upgrade to h2 should be done */ |
| 63 | #define H1C_F_CO_MSG_MORE 0x00100000 /* set if CO_SFL_MSG_MORE must be set when calling xprt->snd_buf() */ |
| 64 | #define H1C_F_CO_STREAMER 0x00200000 /* set if CO_SFL_STREAMER must be set when calling xprt->snd_buf() */ |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 65 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 66 | /* 0x00400000 - 0x40000000 unusued*/ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 67 | #define H1C_F_IS_BACK 0x80000000 /* Set on outgoing connection */ |
Christopher Faulet | 4623036 | 2019-10-17 16:04:20 +0200 | [diff] [blame] | 68 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 69 | /* |
| 70 | * H1 Stream flags (32 bits) |
| 71 | */ |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 72 | #define H1S_F_NONE 0x00000000 |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 73 | |
| 74 | #define H1S_F_RX_BLK 0x00100000 /* Don't process more input data, waiting sync with output side */ |
| 75 | #define H1S_F_TX_BLK 0x00200000 /* Don't process more output data, waiting sync with input side */ |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 76 | #define H1S_F_RX_CONGESTED 0x00000004 /* Cannot process input data RX path is congested (waiting for more space in channel's buffer) */ |
| 77 | |
Willy Tarreau | c493c9c | 2019-06-03 14:18:22 +0200 | [diff] [blame] | 78 | #define H1S_F_REOS 0x00000008 /* End of input stream seen even if not delivered yet */ |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 79 | #define H1S_F_WANT_KAL 0x00000010 |
| 80 | #define H1S_F_WANT_TUN 0x00000020 |
| 81 | #define H1S_F_WANT_CLO 0x00000040 |
| 82 | #define H1S_F_WANT_MSK 0x00000070 |
| 83 | #define H1S_F_NOT_FIRST 0x00000080 /* The H1 stream is not the first one */ |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 84 | #define H1S_F_BODYLESS_RESP 0x00000100 /* Bodyless response message */ |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 85 | |
Ilya Shipitsin | acf8459 | 2021-02-06 22:29:08 +0500 | [diff] [blame] | 86 | /* 0x00000200 unused */ |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 87 | #define H1S_F_NOT_IMPL_ERROR 0x00000400 /* Set when a feature is not implemented during the message parsing */ |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 88 | #define H1S_F_PARSING_ERROR 0x00000800 /* Set when an error occurred during the message parsing */ |
| 89 | #define H1S_F_PROCESSING_ERROR 0x00001000 /* Set when an error occurred during the message xfer */ |
| 90 | #define H1S_F_ERROR 0x00001800 /* stream error mask */ |
| 91 | |
Christopher Faulet | 72ba6cd | 2019-09-24 16:20:05 +0200 | [diff] [blame] | 92 | #define H1S_F_HAVE_SRV_NAME 0x00002000 /* Set during output process if the server name header was added to the request */ |
Christopher Faulet | ada34b6 | 2019-05-24 16:36:43 +0200 | [diff] [blame] | 93 | #define H1S_F_HAVE_O_CONN 0x00004000 /* Set during output process to know connection mode was processed */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 94 | |
| 95 | /* H1 connection descriptor */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 96 | struct h1c { |
| 97 | struct connection *conn; |
| 98 | struct proxy *px; |
| 99 | uint32_t flags; /* Connection flags: H1C_F_* */ |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 100 | unsigned int errcode; /* Status code when an error occurred at the H1 connection level */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 101 | struct buffer ibuf; /* Input buffer to store data before parsing */ |
| 102 | struct buffer obuf; /* Output buffer to store data after reformatting */ |
| 103 | |
| 104 | struct buffer_wait buf_wait; /* Wait list for buffer allocation */ |
| 105 | struct wait_event wait_event; /* To be used if we're waiting for I/Os */ |
| 106 | |
| 107 | struct h1s *h1s; /* H1 stream descriptor */ |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 108 | struct task *task; /* timeout management task */ |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 109 | int idle_exp; /* idle expiration date (http-keep-alive or http-request timeout) */ |
| 110 | int timeout; /* client/server timeout duration */ |
| 111 | int shut_timeout; /* client-fin/server-fin timeout duration */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 112 | }; |
| 113 | |
| 114 | /* H1 stream descriptor */ |
| 115 | struct h1s { |
| 116 | struct h1c *h1c; |
| 117 | struct conn_stream *cs; |
Christopher Faulet | feb1174 | 2018-11-29 15:12:34 +0100 | [diff] [blame] | 118 | uint32_t flags; /* Connection flags: H1S_F_* */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 119 | |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 120 | struct wait_event *subs; /* Address of the wait_event the conn_stream associated is waiting on */ |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 121 | |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 122 | struct session *sess; /* Associated session */ |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 123 | struct buffer rxbuf; /* receive buffer, always valid (buf_empty or real buffer) */ |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 124 | struct h1m req; |
| 125 | struct h1m res; |
| 126 | |
Ilya Shipitsin | 47d1718 | 2020-06-21 21:42:57 +0500 | [diff] [blame] | 127 | enum http_meth_t meth; /* HTTP request method */ |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 128 | uint16_t status; /* HTTP response status */ |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 129 | |
| 130 | char ws_key[25]; /* websocket handshake key */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 131 | }; |
| 132 | |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 133 | /* Map of headers used to convert outgoing headers */ |
| 134 | struct h1_hdrs_map { |
| 135 | char *name; |
| 136 | struct eb_root map; |
| 137 | }; |
| 138 | |
| 139 | /* An entry in a headers map */ |
| 140 | struct h1_hdr_entry { |
| 141 | struct ist name; |
| 142 | struct ebpt_node node; |
| 143 | }; |
| 144 | |
| 145 | /* Declare the headers map */ |
| 146 | static struct h1_hdrs_map hdrs_map = { .name = NULL, .map = EB_ROOT }; |
| 147 | |
| 148 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 149 | /* trace source and events */ |
| 150 | static void h1_trace(enum trace_level level, uint64_t mask, |
| 151 | const struct trace_source *src, |
| 152 | const struct ist where, const struct ist func, |
| 153 | const void *a1, const void *a2, const void *a3, const void *a4); |
| 154 | |
| 155 | /* The event representation is split like this : |
| 156 | * h1c - internal H1 connection |
| 157 | * h1s - internal H1 stream |
| 158 | * strm - application layer |
| 159 | * rx - data receipt |
| 160 | * tx - data transmission |
| 161 | * |
| 162 | */ |
| 163 | static const struct trace_event h1_trace_events[] = { |
| 164 | #define H1_EV_H1C_NEW (1ULL << 0) |
| 165 | { .mask = H1_EV_H1C_NEW, .name = "h1c_new", .desc = "new H1 connection" }, |
| 166 | #define H1_EV_H1C_RECV (1ULL << 1) |
| 167 | { .mask = H1_EV_H1C_RECV, .name = "h1c_recv", .desc = "Rx on H1 connection" }, |
| 168 | #define H1_EV_H1C_SEND (1ULL << 2) |
| 169 | { .mask = H1_EV_H1C_SEND, .name = "h1c_send", .desc = "Tx on H1 connection" }, |
| 170 | #define H1_EV_H1C_BLK (1ULL << 3) |
| 171 | { .mask = H1_EV_H1C_BLK, .name = "h1c_blk", .desc = "H1 connection blocked" }, |
| 172 | #define H1_EV_H1C_WAKE (1ULL << 4) |
| 173 | { .mask = H1_EV_H1C_WAKE, .name = "h1c_wake", .desc = "H1 connection woken up" }, |
| 174 | #define H1_EV_H1C_END (1ULL << 5) |
| 175 | { .mask = H1_EV_H1C_END, .name = "h1c_end", .desc = "H1 connection terminated" }, |
| 176 | #define H1_EV_H1C_ERR (1ULL << 6) |
| 177 | { .mask = H1_EV_H1C_ERR, .name = "h1c_err", .desc = "error on H1 connection" }, |
| 178 | |
| 179 | #define H1_EV_RX_DATA (1ULL << 7) |
| 180 | { .mask = H1_EV_RX_DATA, .name = "rx_data", .desc = "receipt of any H1 data" }, |
| 181 | #define H1_EV_RX_EOI (1ULL << 8) |
| 182 | { .mask = H1_EV_RX_EOI, .name = "rx_eoi", .desc = "receipt of end of H1 input" }, |
| 183 | #define H1_EV_RX_HDRS (1ULL << 9) |
| 184 | { .mask = H1_EV_RX_HDRS, .name = "rx_headers", .desc = "receipt of H1 headers" }, |
| 185 | #define H1_EV_RX_BODY (1ULL << 10) |
| 186 | { .mask = H1_EV_RX_BODY, .name = "rx_body", .desc = "receipt of H1 body" }, |
| 187 | #define H1_EV_RX_TLRS (1ULL << 11) |
| 188 | { .mask = H1_EV_RX_TLRS, .name = "rx_trailerus", .desc = "receipt of H1 trailers" }, |
| 189 | |
| 190 | #define H1_EV_TX_DATA (1ULL << 12) |
| 191 | { .mask = H1_EV_TX_DATA, .name = "tx_data", .desc = "transmission of any H1 data" }, |
| 192 | #define H1_EV_TX_EOI (1ULL << 13) |
| 193 | { .mask = H1_EV_TX_EOI, .name = "tx_eoi", .desc = "transmission of end of H1 input" }, |
| 194 | #define H1_EV_TX_HDRS (1ULL << 14) |
| 195 | { .mask = H1_EV_TX_HDRS, .name = "tx_headers", .desc = "transmission of all headers" }, |
| 196 | #define H1_EV_TX_BODY (1ULL << 15) |
| 197 | { .mask = H1_EV_TX_BODY, .name = "tx_body", .desc = "transmission of H1 body" }, |
| 198 | #define H1_EV_TX_TLRS (1ULL << 16) |
| 199 | { .mask = H1_EV_TX_TLRS, .name = "tx_trailerus", .desc = "transmission of H1 trailers" }, |
| 200 | |
| 201 | #define H1_EV_H1S_NEW (1ULL << 17) |
| 202 | { .mask = H1_EV_H1S_NEW, .name = "h1s_new", .desc = "new H1 stream" }, |
| 203 | #define H1_EV_H1S_BLK (1ULL << 18) |
| 204 | { .mask = H1_EV_H1S_BLK, .name = "h1s_blk", .desc = "H1 stream blocked" }, |
| 205 | #define H1_EV_H1S_END (1ULL << 19) |
| 206 | { .mask = H1_EV_H1S_END, .name = "h1s_end", .desc = "H1 stream terminated" }, |
| 207 | #define H1_EV_H1S_ERR (1ULL << 20) |
| 208 | { .mask = H1_EV_H1S_ERR, .name = "h1s_err", .desc = "error on H1 stream" }, |
| 209 | |
| 210 | #define H1_EV_STRM_NEW (1ULL << 21) |
| 211 | { .mask = H1_EV_STRM_NEW, .name = "strm_new", .desc = "app-layer stream creation" }, |
| 212 | #define H1_EV_STRM_RECV (1ULL << 22) |
| 213 | { .mask = H1_EV_STRM_RECV, .name = "strm_recv", .desc = "receiving data for stream" }, |
| 214 | #define H1_EV_STRM_SEND (1ULL << 23) |
| 215 | { .mask = H1_EV_STRM_SEND, .name = "strm_send", .desc = "sending data for stream" }, |
| 216 | #define H1_EV_STRM_WAKE (1ULL << 24) |
| 217 | { .mask = H1_EV_STRM_WAKE, .name = "strm_wake", .desc = "stream woken up" }, |
| 218 | #define H1_EV_STRM_SHUT (1ULL << 25) |
| 219 | { .mask = H1_EV_STRM_SHUT, .name = "strm_shut", .desc = "stream shutdown" }, |
| 220 | #define H1_EV_STRM_END (1ULL << 26) |
| 221 | { .mask = H1_EV_STRM_END, .name = "strm_end", .desc = "detaching app-layer stream" }, |
| 222 | #define H1_EV_STRM_ERR (1ULL << 27) |
| 223 | { .mask = H1_EV_STRM_ERR, .name = "strm_err", .desc = "stream error" }, |
| 224 | |
| 225 | { } |
| 226 | }; |
| 227 | |
| 228 | static const struct name_desc h1_trace_lockon_args[4] = { |
| 229 | /* arg1 */ { /* already used by the connection */ }, |
| 230 | /* arg2 */ { .name="h1s", .desc="H1 stream" }, |
| 231 | /* arg3 */ { }, |
| 232 | /* arg4 */ { } |
| 233 | }; |
| 234 | |
| 235 | static const struct name_desc h1_trace_decoding[] = { |
| 236 | #define H1_VERB_CLEAN 1 |
| 237 | { .name="clean", .desc="only user-friendly stuff, generally suitable for level \"user\"" }, |
| 238 | #define H1_VERB_MINIMAL 2 |
| 239 | { .name="minimal", .desc="report only h1c/h1s state and flags, no real decoding" }, |
| 240 | #define H1_VERB_SIMPLE 3 |
| 241 | { .name="simple", .desc="add request/response status line or htx info when available" }, |
| 242 | #define H1_VERB_ADVANCED 4 |
| 243 | { .name="advanced", .desc="add header fields or frame decoding when available" }, |
| 244 | #define H1_VERB_COMPLETE 5 |
| 245 | { .name="complete", .desc="add full data dump when available" }, |
| 246 | { /* end */ } |
| 247 | }; |
| 248 | |
Willy Tarreau | 6eb3d37 | 2021-04-10 19:29:26 +0200 | [diff] [blame] | 249 | static struct trace_source trace_h1 __read_mostly = { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 250 | .name = IST("h1"), |
| 251 | .desc = "HTTP/1 multiplexer", |
| 252 | .arg_def = TRC_ARG1_CONN, // TRACE()'s first argument is always a connection |
| 253 | .default_cb = h1_trace, |
| 254 | .known_events = h1_trace_events, |
| 255 | .lockon_args = h1_trace_lockon_args, |
| 256 | .decoding = h1_trace_decoding, |
| 257 | .report_events = ~0, // report everything by default |
| 258 | }; |
| 259 | |
| 260 | #define TRACE_SOURCE &trace_h1 |
| 261 | INITCALL1(STG_REGISTER, trace_register_source, TRACE_SOURCE); |
| 262 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 263 | /* the h1c and h1s pools */ |
Willy Tarreau | 8ceae72 | 2018-11-26 11:58:30 +0100 | [diff] [blame] | 264 | DECLARE_STATIC_POOL(pool_head_h1c, "h1c", sizeof(struct h1c)); |
| 265 | DECLARE_STATIC_POOL(pool_head_h1s, "h1s", sizeof(struct h1s)); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 266 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 267 | static int h1_recv(struct h1c *h1c); |
| 268 | static int h1_send(struct h1c *h1c); |
| 269 | static int h1_process(struct h1c *h1c); |
Willy Tarreau | 691d503 | 2021-01-20 14:55:01 +0100 | [diff] [blame] | 270 | /* h1_io_cb is exported to see it resolved in "show fd" */ |
Willy Tarreau | 144f84a | 2021-03-02 16:09:26 +0100 | [diff] [blame] | 271 | struct task *h1_io_cb(struct task *t, void *ctx, unsigned int state); |
| 272 | struct task *h1_timeout_task(struct task *t, void *context, unsigned int state); |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 273 | static void h1_shutw_conn(struct connection *conn); |
Christopher Faulet | 660f6f3 | 2019-10-04 10:22:47 +0200 | [diff] [blame] | 274 | static void h1_wake_stream_for_recv(struct h1s *h1s); |
| 275 | static void h1_wake_stream_for_send(struct h1s *h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 276 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 277 | /* the H1 traces always expect that arg1, if non-null, is of type connection |
| 278 | * (from which we can derive h1c), that arg2, if non-null, is of type h1s, and |
| 279 | * that arg3, if non-null, is a htx for rx/tx headers. |
| 280 | */ |
| 281 | static void h1_trace(enum trace_level level, uint64_t mask, const struct trace_source *src, |
| 282 | const struct ist where, const struct ist func, |
| 283 | const void *a1, const void *a2, const void *a3, const void *a4) |
| 284 | { |
| 285 | const struct connection *conn = a1; |
| 286 | const struct h1c *h1c = conn ? conn->ctx : NULL; |
| 287 | const struct h1s *h1s = a2; |
| 288 | const struct htx *htx = a3; |
| 289 | const size_t *val = a4; |
| 290 | |
| 291 | if (!h1c) |
| 292 | h1c = (h1s ? h1s->h1c : NULL); |
| 293 | |
| 294 | if (!h1c || src->verbosity < H1_VERB_CLEAN) |
| 295 | return; |
| 296 | |
| 297 | /* Display frontend/backend info by default */ |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 298 | chunk_appendf(&trace_buf, " : [%c]", ((h1c->flags & H1C_F_IS_BACK) ? 'B' : 'F')); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 299 | |
| 300 | /* Display request and response states if h1s is defined */ |
| 301 | if (h1s) |
| 302 | chunk_appendf(&trace_buf, " [%s, %s]", |
| 303 | h1m_state_str(h1s->req.state), h1m_state_str(h1s->res.state)); |
| 304 | |
| 305 | if (src->verbosity == H1_VERB_CLEAN) |
| 306 | return; |
| 307 | |
| 308 | /* Display the value to the 4th argument (level > STATE) */ |
| 309 | if (src->level > TRACE_LEVEL_STATE && val) |
Willy Tarreau | e18f53e | 2019-11-27 15:41:31 +0100 | [diff] [blame] | 310 | chunk_appendf(&trace_buf, " - VAL=%lu", (long)*val); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 311 | |
| 312 | /* Display status-line if possible (verbosity > MINIMAL) */ |
| 313 | if (src->verbosity > H1_VERB_MINIMAL && htx && htx_nbblks(htx)) { |
| 314 | const struct htx_blk *blk = htx_get_head_blk(htx); |
| 315 | const struct htx_sl *sl = htx_get_blk_ptr(htx, blk); |
| 316 | enum htx_blk_type type = htx_get_blk_type(blk); |
| 317 | |
| 318 | if (type == HTX_BLK_REQ_SL || type == HTX_BLK_RES_SL) |
| 319 | chunk_appendf(&trace_buf, " - \"%.*s %.*s %.*s\"", |
| 320 | HTX_SL_P1_LEN(sl), HTX_SL_P1_PTR(sl), |
| 321 | HTX_SL_P2_LEN(sl), HTX_SL_P2_PTR(sl), |
| 322 | HTX_SL_P3_LEN(sl), HTX_SL_P3_PTR(sl)); |
| 323 | } |
| 324 | |
| 325 | /* Display h1c info and, if defined, h1s info (pointer + flags) */ |
| 326 | chunk_appendf(&trace_buf, " - h1c=%p(0x%08x)", h1c, h1c->flags); |
Christopher Faulet | ea62e18 | 2021-11-10 10:30:15 +0100 | [diff] [blame] | 327 | if (h1c->conn) |
| 328 | chunk_appendf(&trace_buf, " conn=%p(0x%08x)", h1c->conn, h1c->conn->flags); |
| 329 | if (h1s) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 330 | chunk_appendf(&trace_buf, " h1s=%p(0x%08x)", h1s, h1s->flags); |
Christopher Faulet | ea62e18 | 2021-11-10 10:30:15 +0100 | [diff] [blame] | 331 | if (h1s->cs) |
| 332 | chunk_appendf(&trace_buf, " cs=%p(0x%08x)", h1s->cs, h1s->cs->flags); |
| 333 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 334 | |
| 335 | if (src->verbosity == H1_VERB_MINIMAL) |
| 336 | return; |
| 337 | |
| 338 | /* Display input and output buffer info (level > USER & verbosity > SIMPLE) */ |
| 339 | if (src->level > TRACE_LEVEL_USER) { |
| 340 | if (src->verbosity == H1_VERB_COMPLETE || |
| 341 | (src->verbosity == H1_VERB_ADVANCED && (mask & (H1_EV_H1C_RECV|H1_EV_STRM_RECV)))) |
| 342 | chunk_appendf(&trace_buf, " ibuf=%u@%p+%u/%u", |
| 343 | (unsigned int)b_data(&h1c->ibuf), b_orig(&h1c->ibuf), |
| 344 | (unsigned int)b_head_ofs(&h1c->ibuf), (unsigned int)b_size(&h1c->ibuf)); |
| 345 | if (src->verbosity == H1_VERB_COMPLETE || |
| 346 | (src->verbosity == H1_VERB_ADVANCED && (mask & (H1_EV_H1C_SEND|H1_EV_STRM_SEND)))) |
| 347 | chunk_appendf(&trace_buf, " obuf=%u@%p+%u/%u", |
| 348 | (unsigned int)b_data(&h1c->obuf), b_orig(&h1c->obuf), |
| 349 | (unsigned int)b_head_ofs(&h1c->obuf), (unsigned int)b_size(&h1c->obuf)); |
| 350 | } |
| 351 | |
| 352 | /* Display htx info if defined (level > USER) */ |
| 353 | if (src->level > TRACE_LEVEL_USER && htx) { |
| 354 | int full = 0; |
| 355 | |
| 356 | /* Full htx info (level > STATE && verbosity > SIMPLE) */ |
| 357 | if (src->level > TRACE_LEVEL_STATE) { |
| 358 | if (src->verbosity == H1_VERB_COMPLETE) |
| 359 | full = 1; |
| 360 | else if (src->verbosity == H1_VERB_ADVANCED && (mask & (H1_EV_RX_HDRS|H1_EV_TX_HDRS))) |
| 361 | full = 1; |
| 362 | } |
| 363 | |
| 364 | chunk_memcat(&trace_buf, "\n\t", 2); |
| 365 | htx_dump(&trace_buf, htx, full); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 370 | /*****************************************************/ |
| 371 | /* functions below are for dynamic buffer management */ |
| 372 | /*****************************************************/ |
| 373 | /* |
Christopher Faulet | 2545a0b | 2019-12-05 12:30:55 +0100 | [diff] [blame] | 374 | * Indicates whether or not we may receive data. The rules are the following : |
| 375 | * - if an error or a shutdown for reads was detected on the connection we |
Christopher Faulet | 119ac87 | 2020-09-30 17:33:22 +0200 | [diff] [blame] | 376 | * must not attempt to receive |
| 377 | * - if we are waiting for the connection establishment, we must not attempt |
| 378 | * to receive |
| 379 | * - if an error was detected on the stream we must not attempt to receive |
| 380 | * - if reads are explicitly disabled, we must not attempt to receive |
Christopher Faulet | 2545a0b | 2019-12-05 12:30:55 +0100 | [diff] [blame] | 381 | * - if the input buffer failed to be allocated or is full , we must not try |
| 382 | * to receive |
Christopher Faulet | 119ac87 | 2020-09-30 17:33:22 +0200 | [diff] [blame] | 383 | * - if the mux is not blocked on an input condition, we may attempt to receive |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 384 | * - otherwise must may not attempt to receive |
| 385 | */ |
| 386 | static inline int h1_recv_allowed(const struct h1c *h1c) |
| 387 | { |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 388 | if (h1c->flags & H1C_F_ST_ERROR) { |
Christopher Faulet | 2545a0b | 2019-12-05 12:30:55 +0100 | [diff] [blame] | 389 | TRACE_DEVEL("recv not allowed because of error on h1c", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 390 | return 0; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 391 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 392 | |
Willy Tarreau | 2febb84 | 2020-07-31 09:15:43 +0200 | [diff] [blame] | 393 | if (h1c->conn->flags & (CO_FL_ERROR|CO_FL_SOCK_RD_SH|CO_FL_WAIT_L4_CONN|CO_FL_WAIT_L6_CONN)) { |
| 394 | TRACE_DEVEL("recv not allowed because of (error|read0|waitl4|waitl6) on connection", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
Christopher Faulet | cf56b99 | 2018-12-11 16:12:31 +0100 | [diff] [blame] | 395 | return 0; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 396 | } |
Christopher Faulet | cf56b99 | 2018-12-11 16:12:31 +0100 | [diff] [blame] | 397 | |
Christopher Faulet | 119ac87 | 2020-09-30 17:33:22 +0200 | [diff] [blame] | 398 | if (h1c->h1s && (h1c->h1s->flags & H1S_F_ERROR)) { |
| 399 | TRACE_DEVEL("recv not allowed because of error on h1s", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
| 400 | return 0; |
| 401 | } |
| 402 | |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 403 | if (!(h1c->flags & (H1C_F_IN_ALLOC|H1C_F_IN_FULL|H1C_F_IN_SALLOC))) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 404 | return 1; |
| 405 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 406 | TRACE_DEVEL("recv not allowed because input is blocked", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 407 | return 0; |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * Tries to grab a buffer and to re-enables processing on mux <target>. The h1 |
| 412 | * flags are used to figure what buffer was requested. It returns 1 if the |
| 413 | * allocation succeeds, in which case the connection is woken up, or 0 if it's |
| 414 | * impossible to wake up and we prefer to be woken up later. |
| 415 | */ |
| 416 | static int h1_buf_available(void *target) |
| 417 | { |
| 418 | struct h1c *h1c = target; |
| 419 | |
Willy Tarreau | d68d4f1 | 2021-03-22 14:44:31 +0100 | [diff] [blame] | 420 | if ((h1c->flags & H1C_F_IN_ALLOC) && b_alloc(&h1c->ibuf)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 421 | TRACE_STATE("unblocking h1c, ibuf allocated", H1_EV_H1C_RECV|H1_EV_H1C_BLK|H1_EV_H1C_WAKE, h1c->conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 422 | h1c->flags &= ~H1C_F_IN_ALLOC; |
| 423 | if (h1_recv_allowed(h1c)) |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 424 | tasklet_wakeup(h1c->wait_event.tasklet); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 425 | return 1; |
| 426 | } |
| 427 | |
Willy Tarreau | d68d4f1 | 2021-03-22 14:44:31 +0100 | [diff] [blame] | 428 | if ((h1c->flags & H1C_F_OUT_ALLOC) && b_alloc(&h1c->obuf)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 429 | TRACE_STATE("unblocking h1s, obuf allocated", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1c->h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 430 | h1c->flags &= ~H1C_F_OUT_ALLOC; |
Christopher Faulet | 660f6f3 | 2019-10-04 10:22:47 +0200 | [diff] [blame] | 431 | if (h1c->h1s) |
| 432 | h1_wake_stream_for_send(h1c->h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 433 | return 1; |
| 434 | } |
| 435 | |
Willy Tarreau | d68d4f1 | 2021-03-22 14:44:31 +0100 | [diff] [blame] | 436 | if ((h1c->flags & H1C_F_IN_SALLOC) && h1c->h1s && b_alloc(&h1c->h1s->rxbuf)) { |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 437 | TRACE_STATE("unblocking h1c, stream rxbuf allocated", H1_EV_H1C_RECV|H1_EV_H1C_BLK|H1_EV_H1C_WAKE, h1c->conn); |
| 438 | h1c->flags &= ~H1C_F_IN_SALLOC; |
| 439 | tasklet_wakeup(h1c->wait_event.tasklet); |
| 440 | return 1; |
| 441 | } |
| 442 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 443 | return 0; |
| 444 | } |
| 445 | |
| 446 | /* |
| 447 | * Allocate a buffer. If if fails, it adds the mux in buffer wait queue. |
| 448 | */ |
| 449 | static inline struct buffer *h1_get_buf(struct h1c *h1c, struct buffer *bptr) |
| 450 | { |
| 451 | struct buffer *buf = NULL; |
| 452 | |
Willy Tarreau | 2b71810 | 2021-04-21 07:32:39 +0200 | [diff] [blame] | 453 | if (likely(!LIST_INLIST(&h1c->buf_wait.list)) && |
Willy Tarreau | d68d4f1 | 2021-03-22 14:44:31 +0100 | [diff] [blame] | 454 | unlikely((buf = b_alloc(bptr)) == NULL)) { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 455 | h1c->buf_wait.target = h1c; |
| 456 | h1c->buf_wait.wakeup_cb = h1_buf_available; |
Willy Tarreau | 2b71810 | 2021-04-21 07:32:39 +0200 | [diff] [blame] | 457 | LIST_APPEND(&ti->buffer_wq, &h1c->buf_wait.list); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 458 | } |
| 459 | return buf; |
| 460 | } |
| 461 | |
| 462 | /* |
| 463 | * Release a buffer, if any, and try to wake up entities waiting in the buffer |
| 464 | * wait queue. |
| 465 | */ |
| 466 | static inline void h1_release_buf(struct h1c *h1c, struct buffer *bptr) |
| 467 | { |
| 468 | if (bptr->size) { |
| 469 | b_free(bptr); |
Willy Tarreau | 4d77bbf | 2021-02-20 12:02:46 +0100 | [diff] [blame] | 470 | offer_buffers(h1c->buf_wait.target, 1); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 471 | } |
| 472 | } |
| 473 | |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 474 | /* returns the number of streams in use on a connection to figure if it's idle |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 475 | * or not. We rely on H1C_F_ST_IDLE to know if the connection is in-use or |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 476 | * not. This flag is only set when no H1S is attached and when the previous |
| 477 | * stream, if any, was fully terminated without any error and in K/A mode. |
Willy Tarreau | 00f18a3 | 2019-01-26 12:19:01 +0100 | [diff] [blame] | 478 | */ |
| 479 | static int h1_used_streams(struct connection *conn) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 480 | { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 481 | struct h1c *h1c = conn->ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 482 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 483 | return ((h1c->flags & H1C_F_ST_IDLE) ? 0 : 1); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 484 | } |
| 485 | |
Willy Tarreau | 00f18a3 | 2019-01-26 12:19:01 +0100 | [diff] [blame] | 486 | /* returns the number of streams still available on a connection */ |
| 487 | static int h1_avail_streams(struct connection *conn) |
Olivier Houchard | 8defe4b | 2018-12-02 01:31:17 +0100 | [diff] [blame] | 488 | { |
Willy Tarreau | 00f18a3 | 2019-01-26 12:19:01 +0100 | [diff] [blame] | 489 | return 1 - h1_used_streams(conn); |
Olivier Houchard | 8defe4b | 2018-12-02 01:31:17 +0100 | [diff] [blame] | 490 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 491 | |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 492 | /* Refresh the h1c task timeout if necessary */ |
| 493 | static void h1_refresh_timeout(struct h1c *h1c) |
| 494 | { |
| 495 | if (h1c->task) { |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 496 | if (!(h1c->flags & H1C_F_ST_ALIVE) || (h1c->flags & H1C_F_ST_SHUTDOWN)) { |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 497 | /* half-closed or dead connections : switch to clientfin/serverfin |
| 498 | * timeouts so that we don't hang too long on clients that have |
| 499 | * gone away (especially in tunnel mode). |
Willy Tarreau | 4313d5a | 2020-09-08 15:40:57 +0200 | [diff] [blame] | 500 | */ |
| 501 | h1c->task->expire = tick_add(now_ms, h1c->shut_timeout); |
Christopher Faulet | adcd789 | 2020-10-05 17:13:05 +0200 | [diff] [blame] | 502 | TRACE_DEVEL("refreshing connection's timeout (dead or half-closed)", H1_EV_H1C_SEND|H1_EV_H1C_RECV, h1c->conn); |
| 503 | } |
| 504 | else if (b_data(&h1c->obuf)) { |
| 505 | /* connection with pending outgoing data, need a timeout (server or client). */ |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 506 | h1c->task->expire = tick_add(now_ms, h1c->timeout); |
Christopher Faulet | adcd789 | 2020-10-05 17:13:05 +0200 | [diff] [blame] | 507 | TRACE_DEVEL("refreshing connection's timeout (pending outgoing data)", H1_EV_H1C_SEND|H1_EV_H1C_RECV, h1c->conn); |
| 508 | } |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 509 | else if (!(h1c->flags & (H1C_F_IS_BACK|H1C_F_ST_READY))) { |
| 510 | /* front connections waiting for a fully usable stream need a timeout. */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 511 | h1c->task->expire = tick_add(now_ms, h1c->timeout); |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 512 | TRACE_DEVEL("refreshing connection's timeout (alive front h1c but not ready)", H1_EV_H1C_SEND|H1_EV_H1C_RECV, h1c->conn); |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 513 | } |
Christopher Faulet | adcd789 | 2020-10-05 17:13:05 +0200 | [diff] [blame] | 514 | else { |
| 515 | /* alive back connections of front connections with a conn-stream attached */ |
| 516 | h1c->task->expire = TICK_ETERNITY; |
| 517 | TRACE_DEVEL("no connection timeout (alive back h1c or front h1c with a CS)", H1_EV_H1C_SEND|H1_EV_H1C_RECV, h1c->conn); |
| 518 | } |
| 519 | |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 520 | /* Finally set the idle expiration date if shorter */ |
| 521 | h1c->task->expire = tick_first(h1c->task->expire, h1c->idle_exp); |
Christopher Faulet | adcd789 | 2020-10-05 17:13:05 +0200 | [diff] [blame] | 522 | TRACE_DEVEL("new expiration date", H1_EV_H1C_SEND|H1_EV_H1C_RECV, h1c->conn, 0, 0, (size_t[]){h1c->task->expire}); |
| 523 | task_queue(h1c->task); |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 524 | } |
| 525 | } |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 526 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 527 | static void h1_set_idle_expiration(struct h1c *h1c) |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 528 | { |
| 529 | if (h1c->flags & H1C_F_IS_BACK || !h1c->task) { |
| 530 | TRACE_DEVEL("no idle expiration (backend connection || no task)", H1_EV_H1C_RECV, h1c->conn); |
| 531 | h1c->idle_exp = TICK_ETERNITY; |
| 532 | return; |
| 533 | } |
| 534 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 535 | if (h1c->flags & H1C_F_ST_IDLE) { |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 536 | if (!tick_isset(h1c->idle_exp)) { |
| 537 | if ((h1c->flags & H1C_F_WAIT_NEXT_REQ) && /* Not the first request */ |
| 538 | !b_data(&h1c->ibuf) && /* No input data */ |
| 539 | tick_isset(h1c->px->timeout.httpka)) { /* K-A timeout set */ |
| 540 | h1c->idle_exp = tick_add_ifset(now_ms, h1c->px->timeout.httpka); |
| 541 | TRACE_DEVEL("set idle expiration (keep-alive timeout)", H1_EV_H1C_RECV, h1c->conn); |
| 542 | } |
| 543 | else { |
| 544 | h1c->idle_exp = tick_add_ifset(now_ms, h1c->px->timeout.httpreq); |
| 545 | TRACE_DEVEL("set idle expiration (http-request timeout)", H1_EV_H1C_RECV, h1c->conn); |
| 546 | } |
| 547 | } |
| 548 | } |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 549 | else if ((h1c->flags & H1C_F_ST_ALIVE) && !(h1c->flags & H1C_F_ST_READY)) { |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 550 | if (!tick_isset(h1c->idle_exp)) { |
| 551 | h1c->idle_exp = tick_add_ifset(now_ms, h1c->px->timeout.httpreq); |
| 552 | TRACE_DEVEL("set idle expiration (http-request timeout)", H1_EV_H1C_RECV, h1c->conn); |
| 553 | } |
| 554 | } |
| 555 | else { // CS_ATTACHED or SHUTDOWN |
| 556 | h1c->idle_exp = TICK_ETERNITY; |
| 557 | TRACE_DEVEL("unset idle expiration (attached || shutdown)", H1_EV_H1C_RECV, h1c->conn); |
| 558 | } |
| 559 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 560 | /*****************************************************************/ |
| 561 | /* functions below are dedicated to the mux setup and management */ |
| 562 | /*****************************************************************/ |
Willy Tarreau | fbdf90a | 2019-06-03 13:42:54 +0200 | [diff] [blame] | 563 | |
| 564 | /* returns non-zero if there are input data pending for stream h1s. */ |
| 565 | static inline size_t h1s_data_pending(const struct h1s *h1s) |
| 566 | { |
| 567 | const struct h1m *h1m; |
| 568 | |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 569 | h1m = ((h1s->h1c->flags & H1C_F_IS_BACK) ? &h1s->res : &h1s->req); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 570 | return ((h1m->state == H1_MSG_DONE) ? 0 : b_data(&h1s->h1c->ibuf)); |
Willy Tarreau | fbdf90a | 2019-06-03 13:42:54 +0200 | [diff] [blame] | 571 | } |
| 572 | |
Christopher Faulet | 16df178 | 2020-12-04 16:47:41 +0100 | [diff] [blame] | 573 | /* Creates a new conn-stream and the associate stream. <input> is used as input |
| 574 | * buffer for the stream. On success, it is transferred to the stream and the |
| 575 | * mux is no longer responsible of it. On error, <input> is unchanged, thus the |
| 576 | * mux must still take care of it. However, there is nothing special to do |
| 577 | * because, on success, <input> is updated to points on BUF_NULL. Thus, calling |
| 578 | * b_free() on it is always safe. This function returns the conn-stream on |
| 579 | * success or NULL on error. */ |
Christopher Faulet | 26256f8 | 2020-09-14 11:40:13 +0200 | [diff] [blame] | 580 | static struct conn_stream *h1s_new_cs(struct h1s *h1s, struct buffer *input) |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 581 | { |
| 582 | struct conn_stream *cs; |
| 583 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 584 | TRACE_ENTER(H1_EV_STRM_NEW, h1s->h1c->conn, h1s); |
Christopher Faulet | 236c93b | 2020-07-02 09:19:54 +0200 | [diff] [blame] | 585 | cs = cs_new(h1s->h1c->conn, h1s->h1c->conn->target); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 586 | if (!cs) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 587 | TRACE_ERROR("CS allocation failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 588 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 589 | } |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 590 | h1s->cs = cs; |
| 591 | cs->ctx = h1s; |
| 592 | |
| 593 | if (h1s->flags & H1S_F_NOT_FIRST) |
| 594 | cs->flags |= CS_FL_NOT_FIRST; |
| 595 | |
Christopher Faulet | 26256f8 | 2020-09-14 11:40:13 +0200 | [diff] [blame] | 596 | if (stream_create_from_cs(cs, input) < 0) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 597 | TRACE_DEVEL("leaving on stream creation failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 598 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 599 | } |
| 600 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 601 | h1s->h1c->flags = (h1s->h1c->flags & ~H1C_F_ST_EMBRYONIC) | H1C_F_ST_ATTACHED | H1C_F_ST_READY; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 602 | TRACE_LEAVE(H1_EV_STRM_NEW, h1s->h1c->conn, h1s); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 603 | return cs; |
| 604 | |
| 605 | err: |
| 606 | cs_free(cs); |
| 607 | h1s->cs = NULL; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 608 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 609 | return NULL; |
| 610 | } |
| 611 | |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 612 | static struct conn_stream *h1s_upgrade_cs(struct h1s *h1s, struct buffer *input) |
| 613 | { |
| 614 | TRACE_ENTER(H1_EV_STRM_NEW, h1s->h1c->conn, h1s); |
| 615 | |
| 616 | if (stream_upgrade_from_cs(h1s->cs, input) < 0) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 617 | TRACE_ERROR("stream upgrade failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 618 | goto err; |
| 619 | } |
| 620 | |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 621 | h1s->h1c->flags |= H1C_F_ST_READY; |
| 622 | TRACE_LEAVE(H1_EV_STRM_NEW, h1s->h1c->conn, h1s); |
| 623 | return h1s->cs; |
| 624 | |
| 625 | err: |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 626 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 627 | return NULL; |
| 628 | } |
| 629 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 630 | static struct h1s *h1s_new(struct h1c *h1c) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 631 | { |
| 632 | struct h1s *h1s; |
| 633 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 634 | TRACE_ENTER(H1_EV_H1S_NEW, h1c->conn); |
| 635 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 636 | h1s = pool_alloc(pool_head_h1s); |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 637 | if (!h1s) { |
| 638 | TRACE_ERROR("H1S allocation failure", H1_EV_H1S_NEW|H1_EV_H1S_END|H1_EV_H1S_ERR, h1c->conn); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 639 | goto fail; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 640 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 641 | h1s->h1c = h1c; |
| 642 | h1c->h1s = h1s; |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 643 | h1s->sess = NULL; |
| 644 | h1s->cs = NULL; |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 645 | h1s->flags = H1S_F_WANT_KAL; |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 646 | h1s->subs = NULL; |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 647 | h1s->rxbuf = BUF_NULL; |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 648 | memset(h1s->ws_key, 0, sizeof(h1s->ws_key)); |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 649 | |
| 650 | h1m_init_req(&h1s->req); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 651 | h1s->req.flags |= (H1_MF_NO_PHDR|H1_MF_CLEAN_CONN_HDR); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 652 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 653 | h1m_init_res(&h1s->res); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 654 | h1s->res.flags |= (H1_MF_NO_PHDR|H1_MF_CLEAN_CONN_HDR); |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 655 | |
| 656 | h1s->status = 0; |
| 657 | h1s->meth = HTTP_METH_OTHER; |
| 658 | |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 659 | if (h1c->flags & H1C_F_WAIT_NEXT_REQ) |
| 660 | h1s->flags |= H1S_F_NOT_FIRST; |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 661 | h1c->flags = (h1c->flags & ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ)) | H1C_F_ST_EMBRYONIC; |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 662 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 663 | TRACE_LEAVE(H1_EV_H1S_NEW, h1c->conn, h1s); |
| 664 | return h1s; |
Christopher Faulet | e9b7072 | 2019-04-08 10:46:02 +0200 | [diff] [blame] | 665 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 666 | fail: |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 667 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1c->conn); |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 668 | return NULL; |
| 669 | } |
Christopher Faulet | feb1174 | 2018-11-29 15:12:34 +0100 | [diff] [blame] | 670 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 671 | static struct h1s *h1c_frt_stream_new(struct h1c *h1c) |
| 672 | { |
| 673 | struct session *sess = h1c->conn->owner; |
| 674 | struct h1s *h1s; |
| 675 | |
| 676 | TRACE_ENTER(H1_EV_H1S_NEW, h1c->conn); |
| 677 | |
| 678 | h1s = h1s_new(h1c); |
| 679 | if (!h1s) |
| 680 | goto fail; |
| 681 | |
| 682 | h1s->sess = sess; |
| 683 | |
| 684 | if (h1c->px->options2 & PR_O2_REQBUG_OK) |
| 685 | h1s->req.err_pos = -1; |
| 686 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 687 | h1c->idle_exp = TICK_ETERNITY; |
| 688 | h1_set_idle_expiration(h1c); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 689 | TRACE_LEAVE(H1_EV_H1S_NEW, h1c->conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 690 | return h1s; |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 691 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 692 | fail: |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 693 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1c->conn); |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 694 | return NULL; |
| 695 | } |
| 696 | |
| 697 | static struct h1s *h1c_bck_stream_new(struct h1c *h1c, struct conn_stream *cs, struct session *sess) |
| 698 | { |
| 699 | struct h1s *h1s; |
| 700 | |
| 701 | TRACE_ENTER(H1_EV_H1S_NEW, h1c->conn); |
| 702 | |
| 703 | h1s = h1s_new(h1c); |
| 704 | if (!h1s) |
| 705 | goto fail; |
| 706 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 707 | h1s->flags |= H1S_F_RX_BLK; |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 708 | h1s->cs = cs; |
| 709 | h1s->sess = sess; |
| 710 | cs->ctx = h1s; |
| 711 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 712 | h1c->flags = (h1c->flags & ~H1C_F_ST_EMBRYONIC) | H1C_F_ST_ATTACHED | H1C_F_ST_READY; |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 713 | |
| 714 | if (h1c->px->options2 & PR_O2_RSPBUG_OK) |
| 715 | h1s->res.err_pos = -1; |
| 716 | |
| 717 | TRACE_LEAVE(H1_EV_H1S_NEW, h1c->conn, h1s); |
| 718 | return h1s; |
| 719 | |
| 720 | fail: |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 721 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1c->conn); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 722 | return NULL; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 723 | } |
| 724 | |
| 725 | static void h1s_destroy(struct h1s *h1s) |
| 726 | { |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 727 | if (h1s) { |
| 728 | struct h1c *h1c = h1s->h1c; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 729 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 730 | TRACE_POINT(H1_EV_H1S_END, h1c->conn, h1s); |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 731 | h1c->h1s = NULL; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 732 | |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 733 | if (h1s->subs) |
| 734 | h1s->subs->events = 0; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 735 | |
Christopher Faulet | d17ad82 | 2020-09-24 15:14:29 +0200 | [diff] [blame] | 736 | h1_release_buf(h1c, &h1s->rxbuf); |
| 737 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 738 | h1c->flags &= ~(H1C_F_WANT_SPLICE| |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 739 | H1C_F_ST_EMBRYONIC|H1C_F_ST_ATTACHED|H1C_F_ST_READY| |
Christopher Faulet | 295b8d1 | 2020-09-30 17:14:55 +0200 | [diff] [blame] | 740 | H1C_F_OUT_FULL|H1C_F_OUT_ALLOC|H1C_F_IN_SALLOC| |
| 741 | H1C_F_CO_MSG_MORE|H1C_F_CO_STREAMER); |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 742 | if (h1s->flags & H1S_F_ERROR) { |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 743 | h1c->flags |= H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 744 | TRACE_ERROR("h1s on error, set error on h1c", H1_EV_H1S_END|H1_EV_H1C_ERR, h1c->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 745 | } |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 746 | |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 747 | if (!(h1c->flags & (H1C_F_ST_ERROR|H1C_F_ST_SHUTDOWN)) && /* No error/shutdown on h1c */ |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 748 | !(h1c->conn->flags & (CO_FL_ERROR|CO_FL_SOCK_RD_SH|CO_FL_SOCK_WR_SH)) && /* No error/shutdown on conn */ |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 749 | (h1s->flags & H1S_F_WANT_KAL) && /* K/A possible */ |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 750 | h1s->req.state == H1_MSG_DONE && h1s->res.state == H1_MSG_DONE) { /* req/res in DONE state */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 751 | h1c->flags |= (H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ); |
Christopher Faulet | aaa67bc | 2019-12-05 10:23:37 +0100 | [diff] [blame] | 752 | TRACE_STATE("set idle mode on h1c, waiting for the next request", H1_EV_H1C_ERR, h1c->conn, h1s); |
| 753 | } |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 754 | else { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 755 | TRACE_STATE("set shudown on h1c", H1_EV_H1S_END, h1c->conn, h1s); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 756 | h1c->flags |= H1C_F_ST_SHUTDOWN; |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 757 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 758 | pool_free(pool_head_h1s, h1s); |
| 759 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | /* |
Christopher Faulet | 51f73eb | 2019-04-08 11:22:47 +0200 | [diff] [blame] | 763 | * Initialize the mux once it's attached. It is expected that conn->ctx points |
Ilya Shipitsin | 47d1718 | 2020-06-21 21:42:57 +0500 | [diff] [blame] | 764 | * to the existing conn_stream (for outgoing connections or for incoming ones |
| 765 | * during a mux upgrade) or NULL (for incoming ones during the connection |
Christopher Faulet | 51f73eb | 2019-04-08 11:22:47 +0200 | [diff] [blame] | 766 | * establishment). <input> is always used as Input buffer and may contain |
| 767 | * data. It is the caller responsibility to not reuse it anymore. Returns < 0 on |
| 768 | * error. |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 769 | */ |
Christopher Faulet | 51f73eb | 2019-04-08 11:22:47 +0200 | [diff] [blame] | 770 | static int h1_init(struct connection *conn, struct proxy *proxy, struct session *sess, |
| 771 | struct buffer *input) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 772 | { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 773 | struct h1c *h1c; |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 774 | struct task *t = NULL; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 775 | void *conn_ctx = conn->ctx; |
| 776 | |
| 777 | TRACE_ENTER(H1_EV_H1C_NEW); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 778 | |
| 779 | h1c = pool_alloc(pool_head_h1c); |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 780 | if (!h1c) { |
| 781 | TRACE_ERROR("H1C allocation failure", H1_EV_H1C_NEW|H1_EV_H1C_END|H1_EV_H1C_ERR); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 782 | goto fail_h1c; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 783 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 784 | h1c->conn = conn; |
| 785 | h1c->px = proxy; |
| 786 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 787 | h1c->flags = H1C_F_ST_IDLE; |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 788 | h1c->errcode = 0; |
Christopher Faulet | 51f73eb | 2019-04-08 11:22:47 +0200 | [diff] [blame] | 789 | h1c->ibuf = *input; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 790 | h1c->obuf = BUF_NULL; |
| 791 | h1c->h1s = NULL; |
Christopher Faulet | 51f73eb | 2019-04-08 11:22:47 +0200 | [diff] [blame] | 792 | h1c->task = NULL; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 793 | |
Willy Tarreau | 90f366b | 2021-02-20 11:49:49 +0100 | [diff] [blame] | 794 | LIST_INIT(&h1c->buf_wait.list); |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 795 | h1c->wait_event.tasklet = tasklet_new(); |
| 796 | if (!h1c->wait_event.tasklet) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 797 | goto fail; |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 798 | h1c->wait_event.tasklet->process = h1_io_cb; |
| 799 | h1c->wait_event.tasklet->context = h1c; |
Willy Tarreau | 4f6516d | 2018-12-19 13:59:17 +0100 | [diff] [blame] | 800 | h1c->wait_event.events = 0; |
Christopher Faulet | dbe5779 | 2020-10-05 17:50:58 +0200 | [diff] [blame] | 801 | h1c->idle_exp = TICK_ETERNITY; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 802 | |
Christopher Faulet | e9b7072 | 2019-04-08 10:46:02 +0200 | [diff] [blame] | 803 | if (conn_is_back(conn)) { |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 804 | h1c->flags |= H1C_F_IS_BACK; |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 805 | h1c->shut_timeout = h1c->timeout = proxy->timeout.server; |
| 806 | if (tick_isset(proxy->timeout.serverfin)) |
| 807 | h1c->shut_timeout = proxy->timeout.serverfin; |
| 808 | } else { |
| 809 | h1c->shut_timeout = h1c->timeout = proxy->timeout.client; |
| 810 | if (tick_isset(proxy->timeout.clientfin)) |
| 811 | h1c->shut_timeout = proxy->timeout.clientfin; |
Amaury Denoyelle | d3a88c1 | 2021-05-03 10:47:51 +0200 | [diff] [blame] | 812 | |
| 813 | LIST_APPEND(&mux_stopping_data[tid].list, |
| 814 | &h1c->conn->stopping_list); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 815 | } |
| 816 | if (tick_isset(h1c->timeout)) { |
| 817 | t = task_new(tid_bit); |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 818 | if (!t) { |
| 819 | TRACE_ERROR("H1C task allocation failure", H1_EV_H1C_NEW|H1_EV_H1C_END|H1_EV_H1C_ERR); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 820 | goto fail; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 821 | } |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 822 | |
| 823 | h1c->task = t; |
| 824 | t->process = h1_timeout_task; |
| 825 | t->context = h1c; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 826 | |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 827 | t->expire = tick_add(now_ms, h1c->timeout); |
| 828 | } |
| 829 | |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 830 | conn->ctx = h1c; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 831 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 832 | if (h1c->flags & H1C_F_IS_BACK) { |
| 833 | /* Create a new H1S now for backend connection only */ |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 834 | if (!h1c_bck_stream_new(h1c, conn_ctx, sess)) |
| 835 | goto fail; |
| 836 | } |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 837 | else if (conn_ctx) { |
| 838 | /* Upgraded frontend connection (from TCP) */ |
| 839 | struct conn_stream *cs = conn_ctx; |
| 840 | |
| 841 | if (!h1c_frt_stream_new(h1c)) |
| 842 | goto fail; |
| 843 | |
| 844 | h1c->h1s->cs = cs; |
| 845 | cs->ctx = h1c->h1s; |
| 846 | |
| 847 | /* Attach the CS but Not ready yet */ |
| 848 | h1c->flags = (h1c->flags & ~H1C_F_ST_EMBRYONIC) | H1C_F_ST_ATTACHED; |
| 849 | TRACE_DEVEL("Inherit the CS from TCP connection to perform an upgrade", |
| 850 | H1_EV_H1C_NEW|H1_EV_STRM_NEW, h1c->conn, h1c->h1s); |
| 851 | } |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 852 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 853 | if (t) { |
| 854 | h1_set_idle_expiration(h1c); |
| 855 | t->expire = tick_first(t->expire, h1c->idle_exp); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 856 | task_queue(t); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 857 | } |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 858 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 859 | /* prepare to read something */ |
Christopher Faulet | d9ee788 | 2021-01-21 17:45:45 +0100 | [diff] [blame] | 860 | if (b_data(&h1c->ibuf)) |
| 861 | tasklet_wakeup(h1c->wait_event.tasklet); |
| 862 | else if (h1_recv_allowed(h1c)) |
Christopher Faulet | 089acd5 | 2020-09-21 10:57:52 +0200 | [diff] [blame] | 863 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 864 | |
| 865 | /* mux->wake will be called soon to complete the operation */ |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 866 | TRACE_LEAVE(H1_EV_H1C_NEW, conn, h1c->h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 867 | return 0; |
| 868 | |
| 869 | fail: |
Willy Tarreau | f656279 | 2019-05-07 19:05:35 +0200 | [diff] [blame] | 870 | task_destroy(t); |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 871 | if (h1c->wait_event.tasklet) |
| 872 | tasklet_free(h1c->wait_event.tasklet); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 873 | pool_free(pool_head_h1c, h1c); |
| 874 | fail_h1c: |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 875 | conn->ctx = conn_ctx; // restore saved context |
| 876 | TRACE_DEVEL("leaving in error", H1_EV_H1C_NEW|H1_EV_H1C_END|H1_EV_H1C_ERR); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 877 | return -1; |
| 878 | } |
| 879 | |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 880 | /* release function. This one should be called to free all resources allocated |
| 881 | * to the mux. |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 882 | */ |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 883 | static void h1_release(struct h1c *h1c) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 884 | { |
Christopher Faulet | 61840e7 | 2019-04-15 09:33:32 +0200 | [diff] [blame] | 885 | struct connection *conn = NULL; |
Christopher Faulet | 39a96ee | 2019-04-08 10:52:21 +0200 | [diff] [blame] | 886 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 887 | TRACE_POINT(H1_EV_H1C_END); |
| 888 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 889 | if (h1c) { |
Christopher Faulet | 61840e7 | 2019-04-15 09:33:32 +0200 | [diff] [blame] | 890 | /* The connection must be aattached to this mux to be released */ |
| 891 | if (h1c->conn && h1c->conn->ctx == h1c) |
| 892 | conn = h1c->conn; |
| 893 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 894 | TRACE_DEVEL("freeing h1c", H1_EV_H1C_END, conn); |
| 895 | |
Christopher Faulet | 61840e7 | 2019-04-15 09:33:32 +0200 | [diff] [blame] | 896 | if (conn && h1c->flags & H1C_F_UPG_H2C) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 897 | TRACE_DEVEL("upgrading H1 to H2", H1_EV_H1C_END, conn); |
Olivier Houchard | 2ab3dad | 2019-07-03 13:08:18 +0200 | [diff] [blame] | 898 | /* Make sure we're no longer subscribed to anything */ |
| 899 | if (h1c->wait_event.events) |
| 900 | conn->xprt->unsubscribe(conn, conn->xprt_ctx, |
| 901 | h1c->wait_event.events, &h1c->wait_event); |
Christopher Faulet | c985f6c | 2019-07-15 11:42:52 +0200 | [diff] [blame] | 902 | if (conn_upgrade_mux_fe(conn, NULL, &h1c->ibuf, ist("h2"), PROTO_MODE_HTTP) != -1) { |
Christopher Faulet | 0ef372a | 2019-04-08 10:57:20 +0200 | [diff] [blame] | 903 | /* connection successfully upgraded to H2, this |
| 904 | * mux was already released */ |
| 905 | return; |
| 906 | } |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 907 | TRACE_ERROR("h2 upgrade failed", H1_EV_H1C_END|H1_EV_H1C_ERR, conn); |
Christopher Faulet | 0ef372a | 2019-04-08 10:57:20 +0200 | [diff] [blame] | 908 | sess_log(conn->owner); /* Log if the upgrade failed */ |
| 909 | } |
| 910 | |
Olivier Houchard | 45c4437 | 2019-06-11 14:06:23 +0200 | [diff] [blame] | 911 | |
Willy Tarreau | 2b71810 | 2021-04-21 07:32:39 +0200 | [diff] [blame] | 912 | if (LIST_INLIST(&h1c->buf_wait.list)) |
Willy Tarreau | 90f366b | 2021-02-20 11:49:49 +0100 | [diff] [blame] | 913 | LIST_DEL_INIT(&h1c->buf_wait.list); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 914 | |
| 915 | h1_release_buf(h1c, &h1c->ibuf); |
| 916 | h1_release_buf(h1c, &h1c->obuf); |
| 917 | |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 918 | if (h1c->task) { |
| 919 | h1c->task->context = NULL; |
| 920 | task_wakeup(h1c->task, TASK_WOKEN_OTHER); |
| 921 | h1c->task = NULL; |
| 922 | } |
| 923 | |
Willy Tarreau | 3c39a7d | 2019-06-14 14:42:29 +0200 | [diff] [blame] | 924 | if (h1c->wait_event.tasklet) |
| 925 | tasklet_free(h1c->wait_event.tasklet); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 926 | |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 927 | h1s_destroy(h1c->h1s); |
Christopher Faulet | 37c4254 | 2021-10-27 15:42:13 +0200 | [diff] [blame] | 928 | if (conn) { |
| 929 | if (h1c->wait_event.events != 0) |
| 930 | conn->xprt->unsubscribe(conn, conn->xprt_ctx, h1c->wait_event.events, |
| 931 | &h1c->wait_event); |
| 932 | h1_shutw_conn(conn); |
| 933 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 934 | pool_free(pool_head_h1c, h1c); |
| 935 | } |
| 936 | |
Christopher Faulet | 39a96ee | 2019-04-08 10:52:21 +0200 | [diff] [blame] | 937 | if (conn) { |
Amaury Denoyelle | d3a88c1 | 2021-05-03 10:47:51 +0200 | [diff] [blame] | 938 | if (!conn_is_back(conn)) |
| 939 | LIST_DEL_INIT(&conn->stopping_list); |
| 940 | |
Christopher Faulet | 39a96ee | 2019-04-08 10:52:21 +0200 | [diff] [blame] | 941 | conn->mux = NULL; |
| 942 | conn->ctx = NULL; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 943 | TRACE_DEVEL("freeing conn", H1_EV_H1C_END, conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 944 | |
Christopher Faulet | 39a96ee | 2019-04-08 10:52:21 +0200 | [diff] [blame] | 945 | conn_stop_tracking(conn); |
| 946 | conn_full_close(conn); |
| 947 | if (conn->destroy_cb) |
| 948 | conn->destroy_cb(conn); |
| 949 | conn_free(conn); |
| 950 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 951 | } |
| 952 | |
| 953 | /******************************************************/ |
| 954 | /* functions below are for the H1 protocol processing */ |
| 955 | /******************************************************/ |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 956 | /* Parse the request version and set H1_MF_VER_11 on <h1m> if the version is |
| 957 | * greater or equal to 1.1 |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 958 | */ |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 959 | static void h1_parse_req_vsn(struct h1m *h1m, const struct htx_sl *sl) |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 960 | { |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 961 | const char *p = HTX_SL_REQ_VPTR(sl); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 962 | |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 963 | if ((HTX_SL_REQ_VLEN(sl) == 8) && |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 964 | (*(p + 5) > '1' || |
| 965 | (*(p + 5) == '1' && *(p + 7) >= '1'))) |
| 966 | h1m->flags |= H1_MF_VER_11; |
| 967 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 968 | |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 969 | /* Parse the response version and set H1_MF_VER_11 on <h1m> if the version is |
| 970 | * greater or equal to 1.1 |
| 971 | */ |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 972 | static void h1_parse_res_vsn(struct h1m *h1m, const struct htx_sl *sl) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 973 | { |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 974 | const char *p = HTX_SL_RES_VPTR(sl); |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 975 | |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 976 | if ((HTX_SL_RES_VLEN(sl) == 8) && |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 977 | (*(p + 5) > '1' || |
| 978 | (*(p + 5) == '1' && *(p + 7) >= '1'))) |
| 979 | h1m->flags |= H1_MF_VER_11; |
| 980 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 981 | |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 982 | /* Deduce the connection mode of the client connection, depending on the |
| 983 | * configuration and the H1 message flags. This function is called twice, the |
| 984 | * first time when the request is parsed and the second time when the response |
| 985 | * is parsed. |
| 986 | */ |
| 987 | static void h1_set_cli_conn_mode(struct h1s *h1s, struct h1m *h1m) |
| 988 | { |
| 989 | struct proxy *fe = h1s->h1c->px; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 990 | |
| 991 | if (h1m->flags & H1_MF_RESP) { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 992 | /* Output direction: second pass */ |
Christopher Faulet | c75668e | 2020-12-07 18:10:32 +0100 | [diff] [blame] | 993 | if ((h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) || |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 994 | h1s->status == 101) { |
| 995 | /* Either we've established an explicit tunnel, or we're |
| 996 | * switching the protocol. In both cases, we're very unlikely to |
| 997 | * understand the next protocols. We have to switch to tunnel |
| 998 | * mode, so that we transfer the request and responses then let |
| 999 | * this protocol pass unmodified. When we later implement |
| 1000 | * specific parsers for such protocols, we'll want to check the |
| 1001 | * Upgrade header which contains information about that protocol |
| 1002 | * for responses with status 101 (eg: see RFC2817 about TLS). |
| 1003 | */ |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1004 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_TUN; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1005 | TRACE_STATE("set tunnel mode (resp)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1006 | } |
| 1007 | else if (h1s->flags & H1S_F_WANT_KAL) { |
| 1008 | /* By default the client is in KAL mode. CLOSE mode mean |
| 1009 | * it is imposed by the client itself. So only change |
| 1010 | * KAL mode here. */ |
| 1011 | if (!(h1m->flags & H1_MF_XFER_LEN) || (h1m->flags & H1_MF_CONN_CLO)) { |
| 1012 | /* no length known or explicit close => close */ |
| 1013 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1014 | TRACE_STATE("detect close mode (resp)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1015 | } |
| 1016 | else if (!(h1m->flags & H1_MF_CONN_KAL) && |
| 1017 | (fe->options & PR_O_HTTP_MODE) == PR_O_HTTP_CLO) { |
Ilya Shipitsin | c02a23f | 2020-05-06 00:53:22 +0500 | [diff] [blame] | 1018 | /* no explicit keep-alive and option httpclose => close */ |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1019 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1020 | TRACE_STATE("force close mode (resp)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1021 | } |
| 1022 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1023 | } |
| 1024 | else { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1025 | /* Input direction: first pass */ |
| 1026 | if (!(h1m->flags & (H1_MF_VER_11|H1_MF_CONN_KAL)) || h1m->flags & H1_MF_CONN_CLO) { |
| 1027 | /* no explicit keep-alive in HTTP/1.0 or explicit close => close*/ |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1028 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1029 | TRACE_STATE("detect close mode (req)", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1030 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | /* If KAL, check if the frontend is stopping. If yes, switch in CLO mode */ |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 1034 | if (h1s->flags & H1S_F_WANT_KAL && fe->disabled) { |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1035 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1036 | TRACE_STATE("stopping, set close mode", H1_EV_RX_DATA|H1_EV_RX_HDRS|H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
| 1037 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | /* Deduce the connection mode of the client connection, depending on the |
| 1041 | * configuration and the H1 message flags. This function is called twice, the |
| 1042 | * first time when the request is parsed and the second time when the response |
| 1043 | * is parsed. |
| 1044 | */ |
| 1045 | static void h1_set_srv_conn_mode(struct h1s *h1s, struct h1m *h1m) |
| 1046 | { |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 1047 | struct session *sess = h1s->sess; |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1048 | struct proxy *be = h1s->h1c->px; |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 1049 | int fe_flags = sess ? sess->fe->options : 0; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1050 | |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1051 | if (h1m->flags & H1_MF_RESP) { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1052 | /* Input direction: second pass */ |
Christopher Faulet | c75668e | 2020-12-07 18:10:32 +0100 | [diff] [blame] | 1053 | if ((h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) || |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1054 | h1s->status == 101) { |
| 1055 | /* Either we've established an explicit tunnel, or we're |
| 1056 | * switching the protocol. In both cases, we're very unlikely to |
| 1057 | * understand the next protocols. We have to switch to tunnel |
| 1058 | * mode, so that we transfer the request and responses then let |
| 1059 | * this protocol pass unmodified. When we later implement |
| 1060 | * specific parsers for such protocols, we'll want to check the |
| 1061 | * Upgrade header which contains information about that protocol |
| 1062 | * for responses with status 101 (eg: see RFC2817 about TLS). |
| 1063 | */ |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1064 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_TUN; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1065 | TRACE_STATE("set tunnel mode (resp)", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1066 | } |
| 1067 | else if (h1s->flags & H1S_F_WANT_KAL) { |
| 1068 | /* By default the server is in KAL mode. CLOSE mode mean |
| 1069 | * it is imposed by haproxy itself. So only change KAL |
| 1070 | * mode here. */ |
| 1071 | if (!(h1m->flags & H1_MF_XFER_LEN) || h1m->flags & H1_MF_CONN_CLO || |
| 1072 | !(h1m->flags & (H1_MF_VER_11|H1_MF_CONN_KAL))){ |
| 1073 | /* no length known or explicit close or no explicit keep-alive in HTTP/1.0 => close */ |
| 1074 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1075 | TRACE_STATE("detect close mode (resp)", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1076 | } |
| 1077 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1078 | } |
Christopher Faulet | 7003378 | 2018-12-05 13:50:11 +0100 | [diff] [blame] | 1079 | else { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1080 | /* Output direction: first pass */ |
| 1081 | if (h1m->flags & H1_MF_CONN_CLO) { |
| 1082 | /* explicit close => close */ |
Christopher Faulet | 7003378 | 2018-12-05 13:50:11 +0100 | [diff] [blame] | 1083 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1084 | TRACE_STATE("detect close mode (req)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1085 | } |
| 1086 | else if (!(h1m->flags & H1_MF_CONN_KAL) && |
| 1087 | ((fe_flags & PR_O_HTTP_MODE) == PR_O_HTTP_SCL || |
| 1088 | (be->options & PR_O_HTTP_MODE) == PR_O_HTTP_SCL || |
| 1089 | (fe_flags & PR_O_HTTP_MODE) == PR_O_HTTP_CLO || |
| 1090 | (be->options & PR_O_HTTP_MODE) == PR_O_HTTP_CLO)) { |
| 1091 | /* no explicit keep-alive option httpclose/server-close => close */ |
| 1092 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1093 | TRACE_STATE("force close mode (req)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1094 | } |
Christopher Faulet | 7003378 | 2018-12-05 13:50:11 +0100 | [diff] [blame] | 1095 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1096 | |
| 1097 | /* If KAL, check if the backend is stopping. If yes, switch in CLO mode */ |
Willy Tarreau | c3914d4 | 2020-09-24 08:39:22 +0200 | [diff] [blame] | 1098 | if (h1s->flags & H1S_F_WANT_KAL && be->disabled) { |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1099 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1100 | TRACE_STATE("stopping, set close mode", H1_EV_RX_DATA|H1_EV_RX_HDRS|H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
| 1101 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1102 | } |
| 1103 | |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1104 | static void h1_update_req_conn_value(struct h1s *h1s, struct h1m *h1m, struct ist *conn_val) |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1105 | { |
| 1106 | struct proxy *px = h1s->h1c->px; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1107 | |
| 1108 | /* Don't update "Connection:" header in TUNNEL mode or if "Upgrage" |
| 1109 | * token is found |
| 1110 | */ |
| 1111 | if (h1s->flags & H1S_F_WANT_TUN || h1m->flags & H1_MF_CONN_UPG) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1112 | return; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1113 | |
| 1114 | if (h1s->flags & H1S_F_WANT_KAL || px->options2 & PR_O2_FAKE_KA) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1115 | if (!(h1m->flags & H1_MF_VER_11)) { |
| 1116 | TRACE_STATE("add \"Connection: keep-alive\"", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1117 | *conn_val = ist("keep-alive"); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1118 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1119 | } |
| 1120 | else { /* H1S_F_WANT_CLO && !PR_O2_FAKE_KA */ |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1121 | if (h1m->flags & H1_MF_VER_11) { |
| 1122 | TRACE_STATE("add \"Connection: close\"", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1123 | *conn_val = ist("close"); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1124 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1125 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1126 | } |
| 1127 | |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1128 | static void h1_update_res_conn_value(struct h1s *h1s, struct h1m *h1m, struct ist *conn_val) |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1129 | { |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1130 | /* Don't update "Connection:" header in TUNNEL mode or if "Upgrage" |
| 1131 | * token is found |
| 1132 | */ |
| 1133 | if (h1s->flags & H1S_F_WANT_TUN || h1m->flags & H1_MF_CONN_UPG) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1134 | return; |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1135 | |
| 1136 | if (h1s->flags & H1S_F_WANT_KAL) { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1137 | if (!(h1m->flags & H1_MF_VER_11) || |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1138 | !((h1m->flags & h1s->req.flags) & H1_MF_VER_11)) { |
| 1139 | TRACE_STATE("add \"Connection: keep-alive\"", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1140 | *conn_val = ist("keep-alive"); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1141 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1142 | } |
| 1143 | else { /* H1S_F_WANT_CLO */ |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1144 | if (h1m->flags & H1_MF_VER_11) { |
| 1145 | TRACE_STATE("add \"Connection: close\"", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1146 | *conn_val = ist("close"); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1147 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1148 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1149 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1150 | |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1151 | static void h1_process_input_conn_mode(struct h1s *h1s, struct h1m *h1m, struct htx *htx) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1152 | { |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 1153 | if (!(h1s->h1c->flags & H1C_F_IS_BACK)) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1154 | h1_set_cli_conn_mode(h1s, h1m); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1155 | else |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1156 | h1_set_srv_conn_mode(h1s, h1m); |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1157 | } |
| 1158 | |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1159 | static void h1_process_output_conn_mode(struct h1s *h1s, struct h1m *h1m, struct ist *conn_val) |
| 1160 | { |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 1161 | if (!(h1s->h1c->flags & H1C_F_IS_BACK)) |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1162 | h1_set_cli_conn_mode(h1s, h1m); |
| 1163 | else |
| 1164 | h1_set_srv_conn_mode(h1s, h1m); |
| 1165 | |
| 1166 | if (!(h1m->flags & H1_MF_RESP)) |
| 1167 | h1_update_req_conn_value(h1s, h1m, conn_val); |
| 1168 | else |
| 1169 | h1_update_res_conn_value(h1s, h1m, conn_val); |
| 1170 | } |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1171 | |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 1172 | /* Try to adjust the case of the message header name using the global map |
| 1173 | * <hdrs_map>. |
| 1174 | */ |
| 1175 | static void h1_adjust_case_outgoing_hdr(struct h1s *h1s, struct h1m *h1m, struct ist *name) |
| 1176 | { |
| 1177 | struct ebpt_node *node; |
| 1178 | struct h1_hdr_entry *entry; |
| 1179 | |
| 1180 | /* No entry in the map, do nothing */ |
| 1181 | if (eb_is_empty(&hdrs_map.map)) |
| 1182 | return; |
| 1183 | |
Ilya Shipitsin | b8888ab | 2021-01-06 21:20:16 +0500 | [diff] [blame] | 1184 | /* No conversion for the request headers */ |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 1185 | if (!(h1m->flags & H1_MF_RESP) && !(h1s->h1c->px->options2 & PR_O2_H1_ADJ_BUGSRV)) |
| 1186 | return; |
| 1187 | |
Ilya Shipitsin | b8888ab | 2021-01-06 21:20:16 +0500 | [diff] [blame] | 1188 | /* No conversion for the response headers */ |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 1189 | if ((h1m->flags & H1_MF_RESP) && !(h1s->h1c->px->options2 & PR_O2_H1_ADJ_BUGCLI)) |
| 1190 | return; |
| 1191 | |
| 1192 | node = ebis_lookup_len(&hdrs_map.map, name->ptr, name->len); |
| 1193 | if (!node) |
| 1194 | return; |
| 1195 | entry = container_of(node, struct h1_hdr_entry, node); |
| 1196 | name->ptr = entry->name.ptr; |
| 1197 | name->len = entry->name.len; |
| 1198 | } |
| 1199 | |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1200 | /* Append the description of what is present in error snapshot <es> into <out>. |
| 1201 | * The description must be small enough to always fit in a buffer. The output |
| 1202 | * buffer may be the trash so the trash must not be used inside this function. |
| 1203 | */ |
| 1204 | static void h1_show_error_snapshot(struct buffer *out, const struct error_snapshot *es) |
| 1205 | { |
| 1206 | chunk_appendf(out, |
Christopher Faulet | aa75b3d | 2018-12-05 16:20:40 +0100 | [diff] [blame] | 1207 | " H1 connection flags 0x%08x, H1 stream flags 0x%08x\n" |
| 1208 | " H1 msg state %s(%d), H1 msg flags 0x%08x\n" |
| 1209 | " H1 chunk len %lld bytes, H1 body len %lld bytes :\n", |
| 1210 | es->ctx.h1.c_flags, es->ctx.h1.s_flags, |
| 1211 | h1m_state_str(es->ctx.h1.state), es->ctx.h1.state, |
| 1212 | es->ctx.h1.m_flags, es->ctx.h1.m_clen, es->ctx.h1.m_blen); |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1213 | } |
| 1214 | /* |
| 1215 | * Capture a bad request or response and archive it in the proxy's structure. |
| 1216 | * By default it tries to report the error position as h1m->err_pos. However if |
| 1217 | * this one is not set, it will then report h1m->next, which is the last known |
| 1218 | * parsing point. The function is able to deal with wrapping buffers. It always |
| 1219 | * displays buffers as a contiguous area starting at buf->p. The direction is |
| 1220 | * determined thanks to the h1m's flags. |
| 1221 | */ |
| 1222 | static void h1_capture_bad_message(struct h1c *h1c, struct h1s *h1s, |
| 1223 | struct h1m *h1m, struct buffer *buf) |
| 1224 | { |
Christopher Faulet | db2c17d | 2020-10-15 17:19:46 +0200 | [diff] [blame] | 1225 | struct session *sess = h1s->sess; |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1226 | struct proxy *proxy = h1c->px; |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 1227 | struct proxy *other_end; |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1228 | union error_snapshot_ctx ctx; |
| 1229 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 1230 | if ((h1c->flags & H1C_F_ST_ATTACHED) && h1s->cs->data) { |
Olivier Houchard | bdb00c5 | 2020-03-12 15:30:17 +0100 | [diff] [blame] | 1231 | if (sess == NULL) |
| 1232 | sess = si_strm(h1s->cs->data)->sess; |
| 1233 | if (!(h1m->flags & H1_MF_RESP)) |
| 1234 | other_end = si_strm(h1s->cs->data)->be; |
| 1235 | else |
| 1236 | other_end = sess->fe; |
| 1237 | } else |
| 1238 | other_end = NULL; |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1239 | |
| 1240 | /* http-specific part now */ |
| 1241 | ctx.h1.state = h1m->state; |
| 1242 | ctx.h1.c_flags = h1c->flags; |
| 1243 | ctx.h1.s_flags = h1s->flags; |
| 1244 | ctx.h1.m_flags = h1m->flags; |
| 1245 | ctx.h1.m_clen = h1m->curr_len; |
| 1246 | ctx.h1.m_blen = h1m->body_len; |
| 1247 | |
| 1248 | proxy_capture_error(proxy, !!(h1m->flags & H1_MF_RESP), other_end, |
| 1249 | h1c->conn->target, sess, buf, 0, 0, |
Christopher Faulet | aa75b3d | 2018-12-05 16:20:40 +0100 | [diff] [blame] | 1250 | (h1m->err_pos >= 0) ? h1m->err_pos : h1m->next, |
| 1251 | &ctx, h1_show_error_snapshot); |
Christopher Faulet | e44769b | 2018-11-29 23:01:45 +0100 | [diff] [blame] | 1252 | } |
| 1253 | |
Christopher Faulet | adb2220 | 2018-12-12 10:32:09 +0100 | [diff] [blame] | 1254 | /* Emit the chunksize followed by a CRLF in front of data of the buffer |
| 1255 | * <buf>. It goes backwards and starts with the byte before the buffer's |
| 1256 | * head. The caller is responsible for ensuring there is enough room left before |
| 1257 | * the buffer's head for the string. |
| 1258 | */ |
| 1259 | static void h1_emit_chunk_size(struct buffer *buf, size_t chksz) |
| 1260 | { |
| 1261 | char *beg, *end; |
| 1262 | |
| 1263 | beg = end = b_head(buf); |
| 1264 | *--beg = '\n'; |
| 1265 | *--beg = '\r'; |
| 1266 | do { |
| 1267 | *--beg = hextab[chksz & 0xF]; |
| 1268 | } while (chksz >>= 4); |
| 1269 | buf->head -= (end - beg); |
| 1270 | b_add(buf, end - beg); |
| 1271 | } |
| 1272 | |
| 1273 | /* Emit a CRLF after the data of the buffer <buf>. The caller is responsible for |
| 1274 | * ensuring there is enough room left in the buffer for the string. */ |
| 1275 | static void h1_emit_chunk_crlf(struct buffer *buf) |
| 1276 | { |
| 1277 | *(b_peek(buf, b_data(buf))) = '\r'; |
| 1278 | *(b_peek(buf, b_data(buf) + 1)) = '\n'; |
| 1279 | b_add(buf, 2); |
| 1280 | } |
| 1281 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1282 | /* |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1283 | * Switch the stream to tunnel mode. This function must only be called on 2xx |
| 1284 | * (successful) replies to CONNECT requests or on 101 (switching protocol). |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 1285 | */ |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1286 | static void h1_set_tunnel_mode(struct h1s *h1s) |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 1287 | { |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1288 | struct h1c *h1c = h1s->h1c; |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 1289 | |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1290 | h1s->req.state = H1_MSG_TUNNEL; |
| 1291 | h1s->req.flags &= ~(H1_MF_XFER_LEN|H1_MF_CLEN|H1_MF_CHNK); |
Christopher Faulet | f3158e9 | 2019-11-15 11:14:23 +0100 | [diff] [blame] | 1292 | |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 1293 | h1s->res.state = H1_MSG_TUNNEL; |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1294 | h1s->res.flags &= ~(H1_MF_XFER_LEN|H1_MF_CLEN|H1_MF_CHNK); |
Christopher Faulet | f3158e9 | 2019-11-15 11:14:23 +0100 | [diff] [blame] | 1295 | |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1296 | TRACE_STATE("switch H1 stream in tunnel mode", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 1297 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1298 | if (h1s->flags & H1S_F_RX_BLK) { |
| 1299 | h1s->flags &= ~H1S_F_RX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 1300 | h1_wake_stream_for_recv(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1301 | TRACE_STATE("Re-enable input processing", H1_EV_RX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1302 | } |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1303 | if (h1s->flags & H1S_F_TX_BLK) { |
| 1304 | h1s->flags &= ~H1S_F_TX_BLK; |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1305 | h1_wake_stream_for_send(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1306 | TRACE_STATE("Re-enable output processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 1307 | } |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1308 | } |
| 1309 | |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1310 | /* Search for a websocket key header. The message should have been identified |
| 1311 | * as a valid websocket handshake. |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1312 | * |
| 1313 | * On the request side, if found the key is stored in the session. It might be |
| 1314 | * needed to calculate response key if the server side is using http/2. |
| 1315 | * |
Amaury Denoyelle | aad333a | 2020-12-11 17:53:07 +0100 | [diff] [blame] | 1316 | * On the response side, the key might be verified if haproxy has been |
| 1317 | * responsible for the generation of a key. This happens when a h2 client is |
| 1318 | * interfaced with a h1 server. |
| 1319 | * |
| 1320 | * Returns 0 if no key found or invalid key |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1321 | */ |
| 1322 | static int h1_search_websocket_key(struct h1s *h1s, struct h1m *h1m, struct htx *htx) |
| 1323 | { |
| 1324 | struct htx_blk *blk; |
| 1325 | enum htx_blk_type type; |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1326 | struct ist n, v; |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1327 | int ws_key_found = 0, idx; |
| 1328 | |
| 1329 | idx = htx_get_head(htx); // returns the SL that we skip |
| 1330 | while ((idx = htx_get_next(htx, idx)) != -1) { |
| 1331 | blk = htx_get_blk(htx, idx); |
| 1332 | type = htx_get_blk_type(blk); |
| 1333 | |
| 1334 | if (type == HTX_BLK_UNUSED) |
| 1335 | continue; |
| 1336 | |
| 1337 | if (type != HTX_BLK_HDR) |
| 1338 | break; |
| 1339 | |
| 1340 | n = htx_get_blk_name(htx, blk); |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1341 | v = htx_get_blk_value(htx, blk); |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1342 | |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1343 | /* Websocket key is base64 encoded of 16 bytes */ |
| 1344 | if (isteqi(n, ist("sec-websocket-key")) && v.len == 24 && |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1345 | !(h1m->flags & H1_MF_RESP)) { |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1346 | /* Copy the key on request side |
| 1347 | * we might need it if the server is using h2 and does |
| 1348 | * not provide the response |
| 1349 | */ |
| 1350 | memcpy(h1s->ws_key, v.ptr, 24); |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1351 | ws_key_found = 1; |
| 1352 | break; |
| 1353 | } |
| 1354 | else if (isteqi(n, ist("sec-websocket-accept")) && |
| 1355 | h1m->flags & H1_MF_RESP) { |
Amaury Denoyelle | aad333a | 2020-12-11 17:53:07 +0100 | [diff] [blame] | 1356 | /* Need to verify the response key if the input was |
| 1357 | * generated by haproxy |
| 1358 | */ |
| 1359 | if (h1s->ws_key[0]) { |
| 1360 | char key[29]; |
| 1361 | h1_calculate_ws_output_key(h1s->ws_key, key); |
| 1362 | if (!isteqi(ist(key), v)) |
| 1363 | break; |
| 1364 | } |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1365 | ws_key_found = 1; |
| 1366 | break; |
| 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | /* missing websocket key, reject the message */ |
| 1371 | if (!ws_key_found) { |
| 1372 | htx->flags |= HTX_FL_PARSING_ERROR; |
| 1373 | return 0; |
| 1374 | } |
| 1375 | |
| 1376 | return 1; |
| 1377 | } |
| 1378 | |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1379 | /* |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1380 | * Parse HTTP/1 headers. It returns the number of bytes parsed if > 0, or 0 if |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1381 | * it couldn't proceed. Parsing errors are reported by setting H1S_F_*_ERROR |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1382 | * flag. If more room is requested, H1S_F_RX_CONGESTED flag is set. If relies on |
| 1383 | * the function http_parse_msg_hdrs() to do the parsing. |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1384 | */ |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1385 | static size_t h1_process_headers(struct h1s *h1s, struct h1m *h1m, struct htx *htx, |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1386 | struct buffer *buf, size_t *ofs, size_t max) |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1387 | { |
Christopher Faulet | f1ba18d | 2018-11-26 21:37:08 +0100 | [diff] [blame] | 1388 | union h1_sl h1sl; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1389 | int ret = 0; |
| 1390 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1391 | TRACE_ENTER(H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s, 0, (size_t[]){max}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1392 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1393 | if (h1s->meth == HTTP_METH_CONNECT) |
| 1394 | h1m->flags |= H1_MF_METH_CONNECT; |
| 1395 | if (h1s->meth == HTTP_METH_HEAD) |
| 1396 | h1m->flags |= H1_MF_METH_HEAD; |
Christopher Faulet | 0ef372a | 2019-04-08 10:57:20 +0200 | [diff] [blame] | 1397 | |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1398 | ret = h1_parse_msg_hdrs(h1m, &h1sl, htx, buf, *ofs, max); |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1399 | if (ret <= 0) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1400 | TRACE_DEVEL("leaving on missing data or error", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s); |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1401 | if (ret == -1) { |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1402 | h1s->flags |= H1S_F_PARSING_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1403 | TRACE_ERROR("parsing error, reject H1 message", H1_EV_RX_DATA|H1_EV_RX_HDRS|H1_EV_H1S_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1404 | h1_capture_bad_message(h1s->h1c, h1s, h1m, buf); |
| 1405 | } |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1406 | else if (ret == -2) { |
| 1407 | TRACE_STATE("RX path congested, waiting for more space", H1_EV_RX_DATA|H1_EV_RX_HDRS|H1_EV_H1S_BLK, h1s->h1c->conn, h1s); |
| 1408 | h1s->flags |= H1S_F_RX_CONGESTED; |
| 1409 | } |
| 1410 | ret = 0; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1411 | goto end; |
| 1412 | } |
| 1413 | |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1414 | /* If websocket handshake, search for the websocket key */ |
| 1415 | if ((h1m->flags & (H1_MF_CONN_UPG|H1_MF_UPG_WEBSOCKET)) == |
| 1416 | (H1_MF_CONN_UPG|H1_MF_UPG_WEBSOCKET)) { |
| 1417 | int ws_ret = h1_search_websocket_key(h1s, h1m, htx); |
| 1418 | if (!ws_ret) { |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1419 | h1s->flags |= H1S_F_PARSING_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1420 | TRACE_ERROR("missing/invalid websocket key, reject H1 message", H1_EV_RX_DATA|H1_EV_RX_HDRS|H1_EV_H1S_ERR, h1s->h1c->conn, h1s); |
Amaury Denoyelle | 18ee5c3 | 2020-12-11 17:53:02 +0100 | [diff] [blame] | 1421 | h1_capture_bad_message(h1s->h1c, h1s, h1m, buf); |
| 1422 | |
| 1423 | ret = 0; |
| 1424 | goto end; |
| 1425 | } |
| 1426 | } |
| 1427 | |
Christopher Faulet | 486498c | 2019-10-11 14:22:00 +0200 | [diff] [blame] | 1428 | if (h1m->err_pos >= 0) { |
| 1429 | /* Maybe we found an error during the parsing while we were |
| 1430 | * configured not to block on that, so we have to capture it |
| 1431 | * now. |
| 1432 | */ |
| 1433 | TRACE_STATE("Ignored parsing error", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s); |
| 1434 | h1_capture_bad_message(h1s->h1c, h1s, h1m, buf); |
| 1435 | } |
| 1436 | |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 1437 | if (!(h1m->flags & H1_MF_RESP)) { |
Christopher Faulet | f1ba18d | 2018-11-26 21:37:08 +0100 | [diff] [blame] | 1438 | h1s->meth = h1sl.rq.meth; |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 1439 | if (h1s->meth == HTTP_METH_HEAD) |
| 1440 | h1s->flags |= H1S_F_BODYLESS_RESP; |
| 1441 | } |
| 1442 | else { |
Christopher Faulet | f1ba18d | 2018-11-26 21:37:08 +0100 | [diff] [blame] | 1443 | h1s->status = h1sl.st.status; |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 1444 | if (h1s->status == 204 || h1s->status == 304) |
| 1445 | h1s->flags |= H1S_F_BODYLESS_RESP; |
| 1446 | } |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1447 | h1_process_input_conn_mode(h1s, h1m, htx); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1448 | *ofs += ret; |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1449 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1450 | end: |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1451 | TRACE_LEAVE(H1_EV_RX_DATA|H1_EV_RX_HDRS, h1s->h1c->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1452 | return ret; |
| 1453 | } |
| 1454 | |
| 1455 | /* |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1456 | * Parse HTTP/1 body. It returns the number of bytes parsed if > 0, or 0 if it |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1457 | * couldn't proceed. Parsing errors are reported by setting H1S_F_*_ERROR flag. |
| 1458 | * If relies on the function http_parse_msg_data() to do the parsing. |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1459 | */ |
Christopher Faulet | af54263 | 2019-10-01 21:52:49 +0200 | [diff] [blame] | 1460 | static size_t h1_process_data(struct h1s *h1s, struct h1m *h1m, struct htx **htx, |
Christopher Faulet | aa75b3d | 2018-12-05 16:20:40 +0100 | [diff] [blame] | 1461 | struct buffer *buf, size_t *ofs, size_t max, |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1462 | struct buffer *htxbuf) |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1463 | { |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1464 | int ret; |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1465 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1466 | TRACE_ENTER(H1_EV_RX_DATA|H1_EV_RX_BODY, h1s->h1c->conn, h1s, 0, (size_t[]){max}); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1467 | ret = h1_parse_msg_data(h1m, htx, buf, *ofs, max, htxbuf); |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1468 | if (!ret) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1469 | TRACE_DEVEL("leaving on missing data or error", H1_EV_RX_DATA|H1_EV_RX_BODY, h1s->h1c->conn, h1s); |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1470 | if ((*htx)->flags & HTX_FL_PARSING_ERROR) { |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1471 | h1s->flags |= H1S_F_PARSING_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1472 | TRACE_ERROR("parsing error, reject H1 message", H1_EV_RX_DATA|H1_EV_RX_BODY|H1_EV_H1S_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1473 | h1_capture_bad_message(h1s->h1c, h1s, h1m, buf); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1474 | } |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1475 | goto end; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1476 | } |
| 1477 | |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1478 | *ofs += ret; |
| 1479 | |
| 1480 | end: |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1481 | if (b_data(buf) != *ofs && (h1m->state == H1_MSG_DATA || h1m->state == H1_MSG_TUNNEL)) { |
| 1482 | TRACE_STATE("RX path congested, waiting for more space", H1_EV_RX_DATA|H1_EV_RX_BODY|H1_EV_H1S_BLK, h1s->h1c->conn, h1s); |
| 1483 | h1s->flags |= H1S_F_RX_CONGESTED; |
| 1484 | } |
| 1485 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1486 | TRACE_LEAVE(H1_EV_RX_DATA|H1_EV_RX_BODY, h1s->h1c->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1487 | return ret; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1488 | } |
| 1489 | |
| 1490 | /* |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1491 | * Parse HTTP/1 trailers. It returns the number of bytes parsed if > 0, or 0 if |
| 1492 | * it couldn't proceed. Parsing errors are reported by setting H1S_F_*_ERROR |
| 1493 | * flag and filling h1s->err_pos and h1s->err_state fields. This functions is |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1494 | * responsible to update the parser state <h1m>. If more room is requested, |
| 1495 | * H1S_F_RX_CONGESTED flag is set. |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1496 | */ |
| 1497 | static size_t h1_process_trailers(struct h1s *h1s, struct h1m *h1m, struct htx *htx, |
| 1498 | struct buffer *buf, size_t *ofs, size_t max) |
| 1499 | { |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1500 | int ret; |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1501 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1502 | TRACE_ENTER(H1_EV_RX_DATA|H1_EV_RX_TLRS, h1s->h1c->conn, h1s, 0, (size_t[]){max}); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1503 | ret = h1_parse_msg_tlrs(h1m, htx, buf, *ofs, max); |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1504 | if (ret <= 0) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1505 | TRACE_DEVEL("leaving on missing data or error", H1_EV_RX_DATA|H1_EV_RX_BODY, h1s->h1c->conn, h1s); |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1506 | if (ret == -1) { |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1507 | h1s->flags |= H1S_F_PARSING_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1508 | TRACE_ERROR("parsing error, reject H1 message", H1_EV_RX_DATA|H1_EV_RX_TLRS|H1_EV_H1S_ERR, h1s->h1c->conn, h1s); |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1509 | h1_capture_bad_message(h1s->h1c, h1s, h1m, buf); |
| 1510 | } |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1511 | else if (ret == -2) { |
| 1512 | TRACE_STATE("RX path congested, waiting for more space", H1_EV_RX_DATA|H1_EV_RX_TLRS|H1_EV_H1S_BLK, h1s->h1c->conn, h1s); |
| 1513 | h1s->flags |= H1S_F_RX_CONGESTED; |
| 1514 | } |
| 1515 | ret = 0; |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1516 | goto end; |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1517 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1518 | |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1519 | *ofs += ret; |
Christopher Faulet | 02a0253 | 2019-11-15 09:36:28 +0100 | [diff] [blame] | 1520 | |
| 1521 | end: |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1522 | TRACE_LEAVE(H1_EV_RX_DATA|H1_EV_RX_TLRS, h1s->h1c->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1523 | return ret; |
Christopher Faulet | 4f0f88a | 2019-08-10 11:17:44 +0200 | [diff] [blame] | 1524 | } |
| 1525 | |
| 1526 | /* |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1527 | * Process incoming data. It parses data and transfer them from h1c->ibuf into |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1528 | * <buf>. It returns the number of bytes parsed and transferred if > 0, or 0 if |
| 1529 | * it couldn't proceed. |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1530 | * |
| 1531 | * WARNING: H1S_F_RX_CONGESTED flag must be removed before processing input data. |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1532 | */ |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1533 | static size_t h1_process_input(struct h1c *h1c, struct buffer *buf, size_t count) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1534 | { |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1535 | struct h1s *h1s = h1c->h1s; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1536 | struct h1m *h1m; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1537 | struct htx *htx; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1538 | size_t data; |
| 1539 | size_t ret = 0; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1540 | size_t total = 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1541 | |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1542 | htx = htx_from_buf(buf); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1543 | TRACE_ENTER(H1_EV_RX_DATA, h1c->conn, h1s, htx, (size_t[]){count}); |
Willy Tarreau | 3a6190f | 2018-12-16 08:29:56 +0100 | [diff] [blame] | 1544 | |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1545 | h1m = (!(h1c->flags & H1C_F_IS_BACK) ? &h1s->req : &h1s->res); |
Christopher Faulet | 7402776 | 2019-02-26 14:45:05 +0100 | [diff] [blame] | 1546 | data = htx->data; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1547 | |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 1548 | if (h1s->flags & (H1S_F_PARSING_ERROR|H1S_F_NOT_IMPL_ERROR)) |
Christopher Faulet | 0e54d54 | 2019-07-04 21:22:34 +0200 | [diff] [blame] | 1549 | goto end; |
| 1550 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1551 | if (h1s->flags & H1S_F_RX_BLK) |
Christopher Faulet | ec4207c | 2021-04-08 18:34:30 +0200 | [diff] [blame] | 1552 | goto out; |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1553 | |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1554 | /* Always remove congestion flags and try to process more input data */ |
| 1555 | h1s->flags &= ~H1S_F_RX_CONGESTED; |
| 1556 | |
Christopher Faulet | d44ad5b | 2018-11-19 21:52:12 +0100 | [diff] [blame] | 1557 | do { |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1558 | size_t used = htx_used_space(htx); |
| 1559 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1560 | if (h1m->state <= H1_MSG_LAST_LF) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1561 | TRACE_PROTO("parsing message headers", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1c->conn, h1s); |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1562 | ret = h1_process_headers(h1s, h1m, htx, &h1c->ibuf, &total, count); |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1563 | if (!ret) |
| 1564 | break; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1565 | |
| 1566 | TRACE_USER((!(h1m->flags & H1_MF_RESP) ? "rcvd H1 request headers" : "rcvd H1 response headers"), |
| 1567 | H1_EV_RX_DATA|H1_EV_RX_HDRS, h1c->conn, h1s, htx, (size_t[]){ret}); |
| 1568 | |
Christopher Faulet | b75b5ea | 2019-05-17 08:37:28 +0200 | [diff] [blame] | 1569 | if ((h1m->flags & H1_MF_RESP) && |
| 1570 | h1s->status < 200 && (h1s->status == 100 || h1s->status >= 102)) { |
| 1571 | h1m_init_res(&h1s->res); |
| 1572 | h1m->flags |= (H1_MF_NO_PHDR|H1_MF_CLEAN_CONN_HDR); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1573 | TRACE_STATE("1xx response rcvd", H1_EV_RX_DATA|H1_EV_RX_HDRS, h1c->conn, h1s); |
Christopher Faulet | b75b5ea | 2019-05-17 08:37:28 +0200 | [diff] [blame] | 1574 | } |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1575 | } |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1576 | else if (h1m->state < H1_MSG_TRAILERS) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1577 | TRACE_PROTO("parsing message payload", H1_EV_RX_DATA|H1_EV_RX_BODY, h1c->conn, h1s); |
Christopher Faulet | af54263 | 2019-10-01 21:52:49 +0200 | [diff] [blame] | 1578 | ret = h1_process_data(h1s, h1m, &htx, &h1c->ibuf, &total, count, buf); |
Christopher Faulet | 76014fd | 2019-12-10 11:47:22 +0100 | [diff] [blame] | 1579 | if (!ret && h1m->state != H1_MSG_DONE) |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1580 | break; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1581 | |
| 1582 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "rcvd H1 request payload data" : "rcvd H1 response payload data"), |
| 1583 | H1_EV_RX_DATA|H1_EV_RX_BODY, h1c->conn, h1s, htx, (size_t[]){ret}); |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1584 | } |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1585 | else if (h1m->state == H1_MSG_TRAILERS) { |
Christopher Faulet | 76014fd | 2019-12-10 11:47:22 +0100 | [diff] [blame] | 1586 | TRACE_PROTO("parsing message trailers", H1_EV_RX_DATA|H1_EV_RX_TLRS, h1c->conn, h1s); |
| 1587 | ret = h1_process_trailers(h1s, h1m, htx, &h1c->ibuf, &total, count); |
| 1588 | if (!ret && h1m->state != H1_MSG_DONE) |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1589 | break; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1590 | |
Christopher Faulet | 76014fd | 2019-12-10 11:47:22 +0100 | [diff] [blame] | 1591 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "rcvd H1 request trailers" : "rcvd H1 response trailers"), |
| 1592 | H1_EV_RX_DATA|H1_EV_RX_TLRS, h1c->conn, h1s, htx, (size_t[]){ret}); |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 1593 | } |
Christopher Faulet | cb55f48 | 2018-12-10 11:56:47 +0100 | [diff] [blame] | 1594 | else if (h1m->state == H1_MSG_DONE) { |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1595 | TRACE_USER((!(h1m->flags & H1_MF_RESP) ? "H1 request fully rcvd" : "H1 response fully rcvd"), |
| 1596 | H1_EV_RX_DATA|H1_EV_RX_EOI, h1c->conn, h1s, htx); |
Christopher Faulet | 76014fd | 2019-12-10 11:47:22 +0100 | [diff] [blame] | 1597 | |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1598 | if ((h1m->flags & H1_MF_RESP) && |
| 1599 | ((h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) || h1s->status == 101)) |
| 1600 | h1_set_tunnel_mode(h1s); |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 1601 | else { |
| 1602 | if (h1s->req.state < H1_MSG_DONE || h1s->res.state < H1_MSG_DONE) { |
| 1603 | /* Unfinished transaction: block this input side waiting the end of the output side */ |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1604 | h1s->flags |= H1S_F_RX_BLK; |
| 1605 | TRACE_STATE("Disable input processing", H1_EV_RX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 1606 | } |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1607 | if (h1s->flags & H1S_F_TX_BLK) { |
| 1608 | h1s->flags &= ~H1S_F_TX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 1609 | h1_wake_stream_for_send(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1610 | TRACE_STATE("Re-enable output processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 1611 | } |
Christopher Faulet | 23021ad | 2020-07-10 10:01:26 +0200 | [diff] [blame] | 1612 | break; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1613 | } |
Christopher Faulet | cb55f48 | 2018-12-10 11:56:47 +0100 | [diff] [blame] | 1614 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1615 | else if (h1m->state == H1_MSG_TUNNEL) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1616 | TRACE_PROTO("parsing tunneled data", H1_EV_RX_DATA, h1c->conn, h1s); |
Christopher Faulet | af54263 | 2019-10-01 21:52:49 +0200 | [diff] [blame] | 1617 | ret = h1_process_data(h1s, h1m, &htx, &h1c->ibuf, &total, count, buf); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1618 | if (!ret) |
| 1619 | break; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1620 | |
| 1621 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "rcvd H1 request tunneled data" : "rcvd H1 response tunneled data"), |
| 1622 | H1_EV_RX_DATA|H1_EV_RX_EOI, h1c->conn, h1s, htx, (size_t[]){ret}); |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 1623 | } |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1624 | else { |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1625 | h1s->flags |= H1S_F_PARSING_ERROR; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1626 | break; |
| 1627 | } |
| 1628 | |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1629 | count -= htx_used_space(htx) - used; |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1630 | } while (!(h1s->flags & (H1S_F_PARSING_ERROR|H1S_F_NOT_IMPL_ERROR|H1S_F_RX_BLK|H1S_F_RX_CONGESTED))); |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1631 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1632 | |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 1633 | if (h1s->flags & (H1S_F_PARSING_ERROR|H1S_F_NOT_IMPL_ERROR)) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1634 | TRACE_ERROR("parsing or not-implemented error", H1_EV_RX_DATA|H1_EV_H1S_ERR, h1c->conn, h1s); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1635 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1636 | } |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1637 | |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1638 | b_del(&h1c->ibuf, total); |
| 1639 | |
Christopher Faulet | 27ba2dc | 2018-12-05 11:53:24 +0100 | [diff] [blame] | 1640 | htx_to_buf(htx, buf); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1641 | TRACE_DEVEL("incoming data parsed", H1_EV_RX_DATA, h1c->conn, h1s, htx, (size_t[]){ret}); |
| 1642 | |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1643 | ret = htx->data - data; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1644 | if ((h1c->flags & H1C_F_IN_FULL) && buf_room_for_htx_data(&h1c->ibuf)) { |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1645 | h1c->flags &= ~H1C_F_IN_FULL; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1646 | TRACE_STATE("h1c ibuf not full anymore", H1_EV_RX_DATA|H1_EV_H1C_BLK|H1_EV_H1C_WAKE, h1c->conn, h1s); |
Willy Tarreau | 2c1f37d | 2020-03-04 17:50:02 +0100 | [diff] [blame] | 1647 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 1648 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1649 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1650 | if (!b_data(&h1c->ibuf)) |
| 1651 | h1_release_buf(h1c, &h1c->ibuf); |
| 1652 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 1653 | if (!(h1c->flags & H1C_F_ST_READY)) { |
| 1654 | /* The H1 connection is not ready. Most of time, there is no CS |
| 1655 | * attached, except for TCP>H1 upgrade, from a TCP frontend. In both |
| 1656 | * cases, it is only possible on the client side. |
| 1657 | */ |
| 1658 | BUG_ON(h1c->flags & H1C_F_IS_BACK); |
| 1659 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1660 | if (h1m->state <= H1_MSG_LAST_LF) { |
| 1661 | TRACE_STATE("Incomplete message, subscribing", H1_EV_RX_DATA|H1_EV_H1C_BLK|H1_EV_H1C_WAKE, h1c->conn, h1s); |
| 1662 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
| 1663 | goto end; |
| 1664 | } |
| 1665 | |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 1666 | if (!(h1c->flags & H1C_F_ST_ATTACHED)) { |
| 1667 | TRACE_DEVEL("request headers fully parsed, create and attach the CS", H1_EV_RX_DATA, h1c->conn, h1s); |
| 1668 | BUG_ON(h1s->cs); |
| 1669 | if (!h1s_new_cs(h1s, buf)) { |
| 1670 | h1c->flags |= H1C_F_ST_ERROR; |
| 1671 | goto err; |
| 1672 | } |
| 1673 | } |
| 1674 | else { |
| 1675 | TRACE_DEVEL("request headers fully parsed, upgrade the inherited CS", H1_EV_RX_DATA, h1c->conn, h1s); |
| 1676 | BUG_ON(h1s->cs == NULL); |
| 1677 | if (!h1s_upgrade_cs(h1s, buf)) { |
| 1678 | h1c->flags |= H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1679 | TRACE_ERROR("H1S upgrade failure", H1_EV_RX_DATA|H1_EV_H1S_ERR, h1c->conn, h1s); |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 1680 | goto err; |
| 1681 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1682 | } |
| 1683 | } |
| 1684 | |
| 1685 | /* Here h1s->cs is always defined */ |
Christopher Faulet | a583af6 | 2020-09-24 15:35:37 +0200 | [diff] [blame] | 1686 | if (!(h1m->flags & H1_MF_CHNK) && |
| 1687 | ((h1m->state == H1_MSG_DATA && h1m->curr_len) || (h1m->state == H1_MSG_TUNNEL))) { |
| 1688 | TRACE_STATE("notify the mux can use splicing", H1_EV_RX_DATA|H1_EV_RX_BODY, h1c->conn, h1s); |
| 1689 | h1s->cs->flags |= CS_FL_MAY_SPLICE; |
| 1690 | } |
| 1691 | else { |
| 1692 | TRACE_STATE("notify the mux can't use splicing anymore", H1_EV_RX_DATA|H1_EV_RX_BODY, h1c->conn, h1s); |
| 1693 | h1s->cs->flags &= ~CS_FL_MAY_SPLICE; |
| 1694 | } |
| 1695 | |
Christopher Faulet | a22782b | 2021-02-08 17:18:01 +0100 | [diff] [blame] | 1696 | /* Set EOI on conn-stream in DONE state iff: |
| 1697 | * - it is a response |
| 1698 | * - it is a request but no a protocol upgrade nor a CONNECT |
| 1699 | * |
| 1700 | * If not set, Wait the response to do so or not depending on the status |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 1701 | * code. |
Christopher Faulet | 3e1748b | 2020-12-07 18:21:27 +0100 | [diff] [blame] | 1702 | */ |
Christopher Faulet | a22782b | 2021-02-08 17:18:01 +0100 | [diff] [blame] | 1703 | if (((h1m->state == H1_MSG_DONE) && (h1m->flags & H1_MF_RESP)) || |
| 1704 | ((h1m->state == H1_MSG_DONE) && (h1s->meth != HTTP_METH_CONNECT) && !(h1m->flags & H1_MF_CONN_UPG))) |
Christopher Faulet | a583af6 | 2020-09-24 15:35:37 +0200 | [diff] [blame] | 1705 | h1s->cs->flags |= CS_FL_EOI; |
| 1706 | |
Christopher Faulet | ec4207c | 2021-04-08 18:34:30 +0200 | [diff] [blame] | 1707 | out: |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1708 | /* When Input data are pending for this message, notify upper layer that |
| 1709 | * the mux need more space in the HTX buffer to continue if : |
| 1710 | * |
| 1711 | * - The parser is blocked in MSG_DATA or MSG_TUNNEL state |
| 1712 | * - Headers or trailers are pending to be copied. |
| 1713 | */ |
| 1714 | if (h1s->flags & (H1S_F_RX_CONGESTED)) { |
Christopher Faulet | cf56b99 | 2018-12-11 16:12:31 +0100 | [diff] [blame] | 1715 | h1s->cs->flags |= CS_FL_RCV_MORE | CS_FL_WANT_ROOM; |
Christopher Faulet | 58f21da | 2021-09-20 07:47:27 +0200 | [diff] [blame] | 1716 | TRACE_STATE("waiting for more room", H1_EV_RX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
| 1717 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1718 | else { |
| 1719 | h1s->cs->flags &= ~(CS_FL_RCV_MORE | CS_FL_WANT_ROOM); |
| 1720 | if (h1s->flags & H1S_F_REOS) { |
| 1721 | h1s->cs->flags |= CS_FL_EOS; |
Christopher Faulet | 1e85778 | 2020-12-08 10:38:22 +0100 | [diff] [blame] | 1722 | if (h1m->state >= H1_MSG_DONE || !(h1m->flags & H1_MF_XFER_LEN)) { |
| 1723 | /* DONE or TUNNEL or SHUTR without XFER_LEN, set |
| 1724 | * EOI on the conn-stream */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1725 | h1s->cs->flags |= CS_FL_EOI; |
Christopher Faulet | 3e1748b | 2020-12-07 18:21:27 +0100 | [diff] [blame] | 1726 | } |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1727 | else if (h1m->state > H1_MSG_LAST_LF && h1m->state < H1_MSG_DONE) { |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1728 | h1s->cs->flags |= CS_FL_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 1729 | TRACE_ERROR("message aborted, set error on CS", H1_EV_RX_DATA|H1_EV_H1S_ERR, h1c->conn, h1s); |
| 1730 | } |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 1731 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1732 | if (h1s->flags & H1S_F_TX_BLK) { |
| 1733 | h1s->flags &= ~H1S_F_TX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 1734 | h1_wake_stream_for_send(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1735 | TRACE_STATE("Re-enable output processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | b385b50 | 2021-01-13 18:47:57 +0100 | [diff] [blame] | 1736 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1737 | } |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 1738 | } |
Christopher Faulet | f6ce9d6 | 2018-12-10 15:30:06 +0100 | [diff] [blame] | 1739 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1740 | end: |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1741 | TRACE_LEAVE(H1_EV_RX_DATA, h1c->conn, h1s, htx, (size_t[]){ret}); |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 1742 | return ret; |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 1743 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1744 | err: |
Christopher Faulet | 27ba2dc | 2018-12-05 11:53:24 +0100 | [diff] [blame] | 1745 | htx_to_buf(htx, buf); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 1746 | if (h1s->cs) |
| 1747 | h1s->cs->flags |= CS_FL_EOI; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1748 | TRACE_DEVEL("leaving on error", H1_EV_RX_DATA|H1_EV_STRM_ERR, h1c->conn, h1s); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1749 | return 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1750 | } |
| 1751 | |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1752 | /* |
| 1753 | * Process outgoing data. It parses data and transfer them from the channel buffer into |
| 1754 | * h1c->obuf. It returns the number of bytes parsed and transferred if > 0, or |
| 1755 | * 0 if it couldn't proceed. |
| 1756 | */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1757 | static size_t h1_process_output(struct h1c *h1c, struct buffer *buf, size_t count) |
| 1758 | { |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1759 | struct h1s *h1s = h1c->h1s; |
| 1760 | struct h1m *h1m; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1761 | struct htx *chn_htx = NULL; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1762 | struct htx_blk *blk; |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 1763 | struct buffer tmp; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1764 | size_t total = 0; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1765 | int last_data = 0; |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1766 | int ws_key_found = 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1767 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1768 | chn_htx = htxbuf(buf); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1769 | TRACE_ENTER(H1_EV_TX_DATA, h1c->conn, h1s, chn_htx, (size_t[]){count}); |
| 1770 | |
Willy Tarreau | 37dd54d | 2018-12-15 14:48:31 +0100 | [diff] [blame] | 1771 | if (htx_is_empty(chn_htx)) |
| 1772 | goto end; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1773 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1774 | if (h1s->flags & (H1S_F_PROCESSING_ERROR|H1S_F_TX_BLK)) |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 1775 | goto end; |
| 1776 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1777 | if (!h1_get_buf(h1c, &h1c->obuf)) { |
| 1778 | h1c->flags |= H1C_F_OUT_ALLOC; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1779 | TRACE_STATE("waiting for h1c obuf allocation", H1_EV_TX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1780 | goto end; |
| 1781 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 1782 | |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 1783 | h1m = (!(h1c->flags & H1C_F_IS_BACK) ? &h1s->res : &h1s->req); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1784 | |
Willy Tarreau | 37dd54d | 2018-12-15 14:48:31 +0100 | [diff] [blame] | 1785 | /* the htx is non-empty thus has at least one block */ |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1786 | blk = htx_get_head_blk(chn_htx); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1787 | |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1788 | /* Perform some optimizations to reduce the number of buffer copies. |
| 1789 | * First, if the mux's buffer is empty and the htx area contains |
| 1790 | * exactly one data block of the same size as the requested count, |
| 1791 | * then it's possible to simply swap the caller's buffer with the |
| 1792 | * mux's output buffer and adjust offsets and length to match the |
| 1793 | * entire DATA HTX block in the middle. In this case we perform a |
| 1794 | * true zero-copy operation from end-to-end. This is the situation |
| 1795 | * that happens all the time with large files. Second, if this is not |
| 1796 | * possible, but the mux's output buffer is empty, we still have an |
| 1797 | * opportunity to avoid the copy to the intermediary buffer, by making |
| 1798 | * the intermediary buffer's area point to the output buffer's area. |
| 1799 | * In this case we want to skip the HTX header to make sure that copies |
| 1800 | * remain aligned and that this operation remains possible all the |
| 1801 | * time. This goes for headers, data blocks and any data extracted from |
| 1802 | * the HTX blocks. |
Willy Tarreau | c5efa33 | 2018-12-05 11:19:27 +0100 | [diff] [blame] | 1803 | */ |
| 1804 | if (!b_data(&h1c->obuf)) { |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 1805 | if ((h1m->state == H1_MSG_DATA || h1m->state == H1_MSG_TUNNEL) && |
Christopher Faulet | 0d7e634 | 2021-02-08 15:56:36 +0100 | [diff] [blame] | 1806 | (!(h1m->flags & H1_MF_RESP) || !(h1s->flags & H1S_F_BODYLESS_RESP)) && |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 1807 | htx_nbblks(chn_htx) == 1 && |
Willy Tarreau | 37dd54d | 2018-12-15 14:48:31 +0100 | [diff] [blame] | 1808 | htx_get_blk_type(blk) == HTX_BLK_DATA && |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1809 | htx_get_blk_value(chn_htx, blk).len == count) { |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 1810 | void *old_area; |
| 1811 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1812 | TRACE_PROTO("sending message data (zero-copy)", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, chn_htx, (size_t[]){count}); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1813 | if (h1m->state == H1_MSG_DATA && chn_htx->flags & HTX_FL_EOM) { |
| 1814 | TRACE_DEVEL("last message block", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s); |
| 1815 | last_data = 1; |
| 1816 | } |
| 1817 | |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 1818 | old_area = h1c->obuf.area; |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1819 | h1c->obuf.area = buf->area; |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 1820 | h1c->obuf.head = sizeof(struct htx) + blk->addr; |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1821 | h1c->obuf.data = count; |
| 1822 | |
| 1823 | buf->area = old_area; |
| 1824 | buf->data = buf->head = 0; |
Christopher Faulet | adb2220 | 2018-12-12 10:32:09 +0100 | [diff] [blame] | 1825 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1826 | chn_htx = (struct htx *)buf->area; |
| 1827 | htx_reset(chn_htx); |
| 1828 | |
Christopher Faulet | adb2220 | 2018-12-12 10:32:09 +0100 | [diff] [blame] | 1829 | /* The message is chunked. We need to emit the chunk |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1830 | * size and eventually the last chunk. We have at least |
| 1831 | * the size of the struct htx to write the chunk |
| 1832 | * envelope. It should be enough. |
Christopher Faulet | adb2220 | 2018-12-12 10:32:09 +0100 | [diff] [blame] | 1833 | */ |
| 1834 | if (h1m->flags & H1_MF_CHNK) { |
| 1835 | h1_emit_chunk_size(&h1c->obuf, count); |
| 1836 | h1_emit_chunk_crlf(&h1c->obuf); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1837 | if (last_data) { |
| 1838 | /* Emit the last chunk too at the buffer's end */ |
| 1839 | b_putblk(&h1c->obuf, "0\r\n\r\n", 5); |
| 1840 | } |
Christopher Faulet | adb2220 | 2018-12-12 10:32:09 +0100 | [diff] [blame] | 1841 | } |
| 1842 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1843 | if (h1m->state == H1_MSG_DATA) |
| 1844 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request payload data xferred" : "H1 response payload data xferred"), |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1845 | H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, 0, (size_t[]){count}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1846 | else |
| 1847 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request tunneled data xferred" : "H1 response tunneled data xferred"), |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 1848 | H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, 0, (size_t[]){count}); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1849 | |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 1850 | total += count; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1851 | if (last_data) { |
| 1852 | h1m->state = H1_MSG_DONE; |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1853 | if (h1s->flags & H1S_F_RX_BLK) { |
| 1854 | h1s->flags &= ~H1S_F_RX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 1855 | h1_wake_stream_for_recv(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1856 | TRACE_STATE("Re-enable input processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 1857 | } |
| 1858 | |
| 1859 | TRACE_USER((!(h1m->flags & H1_MF_RESP) ? "H1 request fully xferred" : "H1 response fully xferred"), |
| 1860 | H1_EV_TX_DATA, h1c->conn, h1s); |
| 1861 | } |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 1862 | goto out; |
| 1863 | } |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 1864 | tmp.area = h1c->obuf.area + h1c->obuf.head; |
Willy Tarreau | c5efa33 | 2018-12-05 11:19:27 +0100 | [diff] [blame] | 1865 | } |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 1866 | else |
| 1867 | tmp.area = trash.area; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1868 | |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 1869 | tmp.data = 0; |
| 1870 | tmp.size = b_room(&h1c->obuf); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1871 | while (count && !(h1s->flags & (H1S_F_PROCESSING_ERROR|H1S_F_TX_BLK)) && blk) { |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 1872 | struct htx_sl *sl; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1873 | struct ist n, v; |
Christopher Faulet | b2e8416 | 2018-12-06 11:39:49 +0100 | [diff] [blame] | 1874 | enum htx_blk_type type = htx_get_blk_type(blk); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1875 | uint32_t sz = htx_get_blksz(blk); |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 1876 | uint32_t vlen, chklen; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1877 | |
Christopher Faulet | b2e8416 | 2018-12-06 11:39:49 +0100 | [diff] [blame] | 1878 | vlen = sz; |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 1879 | if (type != HTX_BLK_DATA && vlen > count) |
| 1880 | goto full; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1881 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1882 | if (type == HTX_BLK_UNUSED) |
| 1883 | goto nextblk; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1884 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1885 | switch (h1m->state) { |
| 1886 | case H1_MSG_RQBEFORE: |
| 1887 | if (type != HTX_BLK_REQ_SL) |
| 1888 | goto error; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1889 | TRACE_USER("sending request headers", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s, chn_htx); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1890 | sl = htx_get_blk_ptr(chn_htx, blk); |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 1891 | h1s->meth = sl->info.req.meth; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1892 | h1_parse_req_vsn(h1m, sl); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 1893 | if (!h1_format_htx_reqline(sl, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 1894 | goto full; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1895 | h1m->flags |= H1_MF_XFER_LEN; |
Christopher Faulet | 1f890dd | 2019-02-18 10:33:16 +0100 | [diff] [blame] | 1896 | if (sl->flags & HTX_SL_F_BODYLESS) |
| 1897 | h1m->flags |= H1_MF_CLEN; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1898 | h1m->state = H1_MSG_HDR_FIRST; |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 1899 | if (h1s->meth == HTTP_METH_HEAD) |
| 1900 | h1s->flags |= H1S_F_BODYLESS_RESP; |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1901 | if (h1s->flags & H1S_F_RX_BLK) { |
| 1902 | h1s->flags &= ~H1S_F_RX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 1903 | h1_wake_stream_for_recv(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 1904 | TRACE_STATE("Re-enable input processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | 089acd5 | 2020-09-21 10:57:52 +0200 | [diff] [blame] | 1905 | } |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1906 | break; |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 1907 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1908 | case H1_MSG_RPBEFORE: |
| 1909 | if (type != HTX_BLK_RES_SL) |
| 1910 | goto error; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1911 | TRACE_USER("sending response headers", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s, chn_htx); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1912 | sl = htx_get_blk_ptr(chn_htx, blk); |
Christopher Faulet | 570d161 | 2018-11-26 11:13:57 +0100 | [diff] [blame] | 1913 | h1s->status = sl->info.res.status; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1914 | h1_parse_res_vsn(h1m, sl); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 1915 | if (!h1_format_htx_stline(sl, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 1916 | goto full; |
Christopher Faulet | 0359911 | 2018-11-27 11:21:21 +0100 | [diff] [blame] | 1917 | if (sl->flags & HTX_SL_F_XFER_LEN) |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1918 | h1m->flags |= H1_MF_XFER_LEN; |
Christopher Faulet | f3e7619 | 2020-12-02 16:46:33 +0100 | [diff] [blame] | 1919 | if (h1s->status < 200) |
Christopher Faulet | ada34b6 | 2019-05-24 16:36:43 +0200 | [diff] [blame] | 1920 | h1s->flags |= H1S_F_HAVE_O_CONN; |
Christopher Faulet | 5696f54 | 2020-12-02 16:08:38 +0100 | [diff] [blame] | 1921 | else if (h1s->status == 204 || h1s->status == 304) |
| 1922 | h1s->flags |= H1S_F_BODYLESS_RESP; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1923 | h1m->state = H1_MSG_HDR_FIRST; |
| 1924 | break; |
| 1925 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1926 | case H1_MSG_HDR_FIRST: |
| 1927 | case H1_MSG_HDR_NAME: |
| 1928 | case H1_MSG_HDR_L2_LWS: |
| 1929 | if (type == HTX_BLK_EOH) |
| 1930 | goto last_lf; |
| 1931 | if (type != HTX_BLK_HDR) |
| 1932 | goto error; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 1933 | |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1934 | h1m->state = H1_MSG_HDR_NAME; |
| 1935 | n = htx_get_blk_name(chn_htx, blk); |
| 1936 | v = htx_get_blk_value(chn_htx, blk); |
| 1937 | |
Christopher Faulet | 86d144c | 2019-08-14 16:32:25 +0200 | [diff] [blame] | 1938 | /* Skip all pseudo-headers */ |
| 1939 | if (*(n.ptr) == ':') |
| 1940 | goto skip_hdr; |
| 1941 | |
Christopher Faulet | 91fcf21 | 2020-12-02 16:17:15 +0100 | [diff] [blame] | 1942 | if (isteq(n, ist("transfer-encoding"))) { |
| 1943 | if ((h1m->flags & H1_MF_RESP) && (h1s->status < 200 || h1s->status == 204)) |
| 1944 | goto skip_hdr; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1945 | h1_parse_xfer_enc_header(h1m, v); |
Christopher Faulet | 91fcf21 | 2020-12-02 16:17:15 +0100 | [diff] [blame] | 1946 | } |
Christopher Faulet | b045bb2 | 2020-02-28 10:42:20 +0100 | [diff] [blame] | 1947 | else if (isteq(n, ist("content-length"))) { |
Christopher Faulet | 91fcf21 | 2020-12-02 16:17:15 +0100 | [diff] [blame] | 1948 | if ((h1m->flags & H1_MF_RESP) && (h1s->status < 200 || h1s->status == 204)) |
| 1949 | goto skip_hdr; |
Christopher Faulet | 5220ef2 | 2019-03-27 15:44:56 +0100 | [diff] [blame] | 1950 | /* Only skip C-L header with invalid value. */ |
| 1951 | if (h1_parse_cont_len_header(h1m, &v) < 0) |
Willy Tarreau | 27cd223 | 2019-01-03 21:52:42 +0100 | [diff] [blame] | 1952 | goto skip_hdr; |
| 1953 | } |
Christopher Faulet | b045bb2 | 2020-02-28 10:42:20 +0100 | [diff] [blame] | 1954 | else if (isteq(n, ist("connection"))) { |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 1955 | h1_parse_connection_header(h1m, &v); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1956 | if (!v.len) |
| 1957 | goto skip_hdr; |
| 1958 | } |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1959 | else if (isteq(n, ist("upgrade"))) { |
| 1960 | h1_parse_upgrade_header(h1m, v); |
| 1961 | } |
Amaury Denoyelle | aad333a | 2020-12-11 17:53:07 +0100 | [diff] [blame] | 1962 | else if ((isteq(n, ist("sec-websocket-accept")) && |
| 1963 | h1m->flags & H1_MF_RESP) || |
| 1964 | (isteq(n, ist("sec-websocket-key")) && |
| 1965 | !(h1m->flags & H1_MF_RESP))) { |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 1966 | ws_key_found = 1; |
| 1967 | } |
Christopher Faulet | f9bb8d0 | 2021-09-28 10:56:36 +0200 | [diff] [blame] | 1968 | else if (isteq(n, ist("te"))) { |
| 1969 | /* "te" may only be sent with "trailers" if this value |
| 1970 | * is present, otherwise it must be deleted. |
| 1971 | */ |
| 1972 | v = istist(v, ist("trailers")); |
| 1973 | if (!isttest(v) || (v.len > 8 && v.ptr[8] != ',')) |
| 1974 | goto skip_hdr; |
| 1975 | v = ist("trailers"); |
| 1976 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1977 | |
Christopher Faulet | 67d5809 | 2019-10-02 10:51:38 +0200 | [diff] [blame] | 1978 | /* Skip header if same name is used to add the server name */ |
| 1979 | if (!(h1m->flags & H1_MF_RESP) && h1c->px->server_id_hdr_name && |
| 1980 | isteqi(n, ist2(h1c->px->server_id_hdr_name, h1c->px->server_id_hdr_len))) |
| 1981 | goto skip_hdr; |
| 1982 | |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 1983 | /* Try to adjust the case of the header name */ |
| 1984 | if (h1c->px->options2 & (PR_O2_H1_ADJ_BUGCLI|PR_O2_H1_ADJ_BUGSRV)) |
| 1985 | h1_adjust_case_outgoing_hdr(h1s, h1m, &n); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 1986 | if (!h1_format_htx_hdr(n, v, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 1987 | goto full; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 1988 | skip_hdr: |
| 1989 | h1m->state = H1_MSG_HDR_L2_LWS; |
| 1990 | break; |
| 1991 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 1992 | case H1_MSG_LAST_LF: |
| 1993 | if (type != HTX_BLK_EOH) |
| 1994 | goto error; |
| 1995 | last_lf: |
Christopher Faulet | ada34b6 | 2019-05-24 16:36:43 +0200 | [diff] [blame] | 1996 | h1m->state = H1_MSG_LAST_LF; |
| 1997 | if (!(h1s->flags & H1S_F_HAVE_O_CONN)) { |
Christopher Faulet | 04f8919 | 2019-10-16 09:41:07 +0200 | [diff] [blame] | 1998 | /* If the reply comes from haproxy while the request is |
| 1999 | * not finished, we force the connection close. */ |
| 2000 | if ((chn_htx->flags & HTX_FL_PROXY_RESP) && h1s->req.state != H1_MSG_DONE) { |
| 2001 | h1s->flags = (h1s->flags & ~H1S_F_WANT_MSK) | H1S_F_WANT_CLO; |
| 2002 | TRACE_STATE("force close mode (resp)", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1s->h1c->conn, h1s); |
| 2003 | } |
| 2004 | |
| 2005 | /* the conn_mode must be processed. So do it */ |
Christopher Faulet | a110ecb | 2019-06-17 14:07:46 +0200 | [diff] [blame] | 2006 | n = ist("connection"); |
Christopher Faulet | d1ebb1e | 2018-11-28 16:32:50 +0100 | [diff] [blame] | 2007 | v = ist(""); |
Christopher Faulet | b992af0 | 2019-03-28 15:42:24 +0100 | [diff] [blame] | 2008 | h1_process_output_conn_mode(h1s, h1m, &v); |
Christopher Faulet | d1ebb1e | 2018-11-28 16:32:50 +0100 | [diff] [blame] | 2009 | if (v.len) { |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 2010 | /* Try to adjust the case of the header name */ |
| 2011 | if (h1c->px->options2 & (PR_O2_H1_ADJ_BUGCLI|PR_O2_H1_ADJ_BUGSRV)) |
| 2012 | h1_adjust_case_outgoing_hdr(h1s, h1m, &n); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 2013 | if (!h1_format_htx_hdr(n, v, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2014 | goto full; |
Christopher Faulet | d1ebb1e | 2018-11-28 16:32:50 +0100 | [diff] [blame] | 2015 | } |
Christopher Faulet | ada34b6 | 2019-05-24 16:36:43 +0200 | [diff] [blame] | 2016 | h1s->flags |= H1S_F_HAVE_O_CONN; |
Christopher Faulet | d1ebb1e | 2018-11-28 16:32:50 +0100 | [diff] [blame] | 2017 | } |
Willy Tarreau | 4710d20 | 2019-01-03 17:39:54 +0100 | [diff] [blame] | 2018 | |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 2019 | if ((h1s->meth != HTTP_METH_CONNECT && |
| 2020 | (h1m->flags & (H1_MF_VER_11|H1_MF_RESP|H1_MF_CLEN|H1_MF_CHNK|H1_MF_XFER_LEN)) == |
Christopher Faulet | 1f890dd | 2019-02-18 10:33:16 +0100 | [diff] [blame] | 2021 | (H1_MF_VER_11|H1_MF_XFER_LEN)) || |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 2022 | (h1s->status >= 200 && !(h1s->flags & H1S_F_BODYLESS_RESP) && |
Christopher Faulet | c75668e | 2020-12-07 18:10:32 +0100 | [diff] [blame] | 2023 | !(h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) && |
Christopher Faulet | 1f890dd | 2019-02-18 10:33:16 +0100 | [diff] [blame] | 2024 | (h1m->flags & (H1_MF_VER_11|H1_MF_RESP|H1_MF_CLEN|H1_MF_CHNK|H1_MF_XFER_LEN)) == |
| 2025 | (H1_MF_VER_11|H1_MF_RESP|H1_MF_XFER_LEN))) { |
Willy Tarreau | 4710d20 | 2019-01-03 17:39:54 +0100 | [diff] [blame] | 2026 | /* chunking needed but header not seen */ |
Christopher Faulet | 7a991a9 | 2019-10-04 10:23:51 +0200 | [diff] [blame] | 2027 | n = ist("transfer-encoding"); |
| 2028 | v = ist("chunked"); |
| 2029 | if (h1c->px->options2 & (PR_O2_H1_ADJ_BUGCLI|PR_O2_H1_ADJ_BUGSRV)) |
| 2030 | h1_adjust_case_outgoing_hdr(h1s, h1m, &n); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 2031 | if (!h1_format_htx_hdr(n, v, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2032 | goto full; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2033 | TRACE_STATE("add \"Transfer-Encoding: chunked\"", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
Willy Tarreau | 4710d20 | 2019-01-03 17:39:54 +0100 | [diff] [blame] | 2034 | h1m->flags |= H1_MF_CHNK; |
| 2035 | } |
| 2036 | |
Christopher Faulet | 72ba6cd | 2019-09-24 16:20:05 +0200 | [diff] [blame] | 2037 | /* Now add the server name to a header (if requested) */ |
| 2038 | if (!(h1s->flags & H1S_F_HAVE_SRV_NAME) && |
| 2039 | !(h1m->flags & H1_MF_RESP) && h1c->px->server_id_hdr_name) { |
| 2040 | struct server *srv = objt_server(h1c->conn->target); |
| 2041 | |
| 2042 | if (srv) { |
| 2043 | n = ist2(h1c->px->server_id_hdr_name, h1c->px->server_id_hdr_len); |
| 2044 | v = ist(srv->id); |
Christopher Faulet | 5cef2a6 | 2019-10-02 11:06:13 +0200 | [diff] [blame] | 2045 | |
| 2046 | /* Try to adjust the case of the header name */ |
| 2047 | if (h1c->px->options2 & (PR_O2_H1_ADJ_BUGCLI|PR_O2_H1_ADJ_BUGSRV)) |
| 2048 | h1_adjust_case_outgoing_hdr(h1s, h1m, &n); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 2049 | if (!h1_format_htx_hdr(n, v, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2050 | goto full; |
Christopher Faulet | 72ba6cd | 2019-09-24 16:20:05 +0200 | [diff] [blame] | 2051 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2052 | TRACE_STATE("add server name header", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
Christopher Faulet | 72ba6cd | 2019-09-24 16:20:05 +0200 | [diff] [blame] | 2053 | h1s->flags |= H1S_F_HAVE_SRV_NAME; |
| 2054 | } |
| 2055 | |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 2056 | /* Add websocket handshake key if needed */ |
| 2057 | if ((h1m->flags & (H1_MF_CONN_UPG|H1_MF_UPG_WEBSOCKET)) == (H1_MF_CONN_UPG|H1_MF_UPG_WEBSOCKET) && |
| 2058 | !ws_key_found) { |
Amaury Denoyelle | aad333a | 2020-12-11 17:53:07 +0100 | [diff] [blame] | 2059 | if (!(h1m->flags & H1_MF_RESP)) { |
| 2060 | /* generate a random websocket key |
| 2061 | * stored in the session to |
| 2062 | * verify it on the response side |
| 2063 | */ |
| 2064 | h1_generate_random_ws_input_key(h1s->ws_key); |
| 2065 | |
| 2066 | if (!h1_format_htx_hdr(ist("Sec-Websocket-Key"), |
| 2067 | ist(h1s->ws_key), |
| 2068 | &tmp)) { |
| 2069 | goto full; |
| 2070 | } |
| 2071 | } |
| 2072 | else { |
Amaury Denoyelle | c193823 | 2020-12-11 17:53:03 +0100 | [diff] [blame] | 2073 | /* add the response header key */ |
| 2074 | char key[29]; |
| 2075 | h1_calculate_ws_output_key(h1s->ws_key, key); |
| 2076 | if (!h1_format_htx_hdr(ist("Sec-Websocket-Accept"), |
| 2077 | ist(key), |
| 2078 | &tmp)) { |
| 2079 | goto full; |
| 2080 | } |
| 2081 | } |
| 2082 | } |
| 2083 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2084 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request headers xferred" : "H1 response headers xferred"), |
| 2085 | H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
| 2086 | |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 2087 | if (!(h1m->flags & H1_MF_RESP) && h1s->meth == HTTP_METH_CONNECT) { |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2088 | if (!chunk_memcat(&tmp, "\r\n", 2)) |
| 2089 | goto full; |
| 2090 | goto done; |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 2091 | } |
Christopher Faulet | f3158e9 | 2019-11-15 11:14:23 +0100 | [diff] [blame] | 2092 | else if ((h1m->flags & H1_MF_RESP) && |
Christopher Faulet | c75668e | 2020-12-07 18:10:32 +0100 | [diff] [blame] | 2093 | ((h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) || h1s->status == 101)) { |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2094 | if (!chunk_memcat(&tmp, "\r\n", 2)) |
| 2095 | goto full; |
| 2096 | goto done; |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 2097 | } |
Christopher Faulet | b75b5ea | 2019-05-17 08:37:28 +0200 | [diff] [blame] | 2098 | else if ((h1m->flags & H1_MF_RESP) && |
| 2099 | h1s->status < 200 && (h1s->status == 100 || h1s->status >= 102)) { |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2100 | if (!chunk_memcat(&tmp, "\r\n", 2)) |
| 2101 | goto full; |
Christopher Faulet | b75b5ea | 2019-05-17 08:37:28 +0200 | [diff] [blame] | 2102 | h1m_init_res(&h1s->res); |
| 2103 | h1m->flags |= (H1_MF_NO_PHDR|H1_MF_CLEAN_CONN_HDR); |
Christopher Faulet | ada34b6 | 2019-05-24 16:36:43 +0200 | [diff] [blame] | 2104 | h1s->flags &= ~H1S_F_HAVE_O_CONN; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2105 | TRACE_STATE("1xx response xferred", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
Christopher Faulet | b75b5ea | 2019-05-17 08:37:28 +0200 | [diff] [blame] | 2106 | } |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2107 | else { |
| 2108 | /* EOM flag is set and it is the last block */ |
| 2109 | if (htx_is_unique_blk(chn_htx, blk) && (chn_htx->flags & HTX_FL_EOM)) { |
Christopher Faulet | 3d6e0e3 | 2021-02-08 09:34:35 +0100 | [diff] [blame] | 2110 | if (h1m->flags & H1_MF_CHNK) { |
| 2111 | if (!chunk_memcat(&tmp, "\r\n0\r\n\r\n", 7)) |
| 2112 | goto full; |
| 2113 | } |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2114 | else if (!chunk_memcat(&tmp, "\r\n", 2)) |
| 2115 | goto full; |
| 2116 | goto done; |
| 2117 | } |
| 2118 | else if (!chunk_memcat(&tmp, "\r\n", 2)) |
| 2119 | goto full; |
Christopher Faulet | c62c2b9 | 2019-03-28 11:41:39 +0100 | [diff] [blame] | 2120 | h1m->state = H1_MSG_DATA; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2121 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2122 | break; |
| 2123 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2124 | case H1_MSG_DATA: |
Christopher Faulet | f8db73e | 2019-07-04 17:12:12 +0200 | [diff] [blame] | 2125 | case H1_MSG_TUNNEL: |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2126 | if (type == HTX_BLK_EOT || type == HTX_BLK_TLR) { |
Christopher Faulet | 0d7e634 | 2021-02-08 15:56:36 +0100 | [diff] [blame] | 2127 | if ((h1m->flags & H1_MF_RESP) && (h1s->flags & H1S_F_BODYLESS_RESP)) |
| 2128 | goto trailers; |
| 2129 | |
Christopher Faulet | 5433a0b | 2019-06-27 17:40:14 +0200 | [diff] [blame] | 2130 | /* If the message is not chunked, never |
| 2131 | * add the last chunk. */ |
| 2132 | if ((h1m->flags & H1_MF_CHNK) && !chunk_memcat(&tmp, "0\r\n", 3)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2133 | goto full; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2134 | TRACE_PROTO("sending message trailers", H1_EV_TX_DATA|H1_EV_TX_TLRS, h1c->conn, h1s, chn_htx); |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2135 | goto trailers; |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 2136 | } |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2137 | else if (type != HTX_BLK_DATA) |
| 2138 | goto error; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2139 | |
| 2140 | TRACE_PROTO("sending message data", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, chn_htx, (size_t[]){sz}); |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2141 | |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2142 | /* It is the last block of this message. After this one, |
| 2143 | * only tunneled data may be forwarded. */ |
| 2144 | if (h1m->state == H1_MSG_DATA && htx_is_unique_blk(chn_htx, blk) && (chn_htx->flags & HTX_FL_EOM)) { |
| 2145 | TRACE_DEVEL("last message block", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s); |
| 2146 | last_data = 1; |
| 2147 | } |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2148 | |
| 2149 | if (vlen > count) { |
| 2150 | /* Get the maximum amount of data we can xferred */ |
| 2151 | vlen = count; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2152 | last_data = 0; |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2153 | } |
| 2154 | |
Christopher Faulet | 0d7e634 | 2021-02-08 15:56:36 +0100 | [diff] [blame] | 2155 | if (h1m->state == H1_MSG_DATA && (h1m->flags & H1_MF_RESP) && (h1s->flags & H1S_F_BODYLESS_RESP)) { |
| 2156 | TRACE_PROTO("Skip data for bodyless response", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, chn_htx); |
| 2157 | goto skip_data; |
| 2158 | } |
| 2159 | |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2160 | chklen = 0; |
| 2161 | if (h1m->flags & H1_MF_CHNK) { |
| 2162 | chklen = b_room(&tmp); |
| 2163 | chklen = ((chklen < 16) ? 1 : (chklen < 256) ? 2 : |
| 2164 | (chklen < 4096) ? 3 : (chklen < 65536) ? 4 : |
| 2165 | (chklen < 1048576) ? 5 : 8); |
| 2166 | chklen += 4; /* 2 x CRLF */ |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2167 | |
| 2168 | /* If it is the end of the chunked message (without EOT), reserve the |
| 2169 | * last chunk size */ |
| 2170 | if (last_data) |
| 2171 | chklen += 5; |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2172 | } |
| 2173 | |
| 2174 | if (vlen + chklen > b_room(&tmp)) { |
| 2175 | /* too large for the buffer */ |
| 2176 | if (chklen >= b_room(&tmp)) |
| 2177 | goto full; |
| 2178 | vlen = b_room(&tmp) - chklen; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2179 | last_data = 0; |
Christopher Faulet | d9233f0 | 2019-10-14 14:01:24 +0200 | [diff] [blame] | 2180 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2181 | v = htx_get_blk_value(chn_htx, blk); |
Christopher Faulet | b2e8416 | 2018-12-06 11:39:49 +0100 | [diff] [blame] | 2182 | v.len = vlen; |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 2183 | if (!h1_format_htx_data(v, &tmp, !!(h1m->flags & H1_MF_CHNK))) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2184 | goto full; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2185 | |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2186 | /* Space already reserved, so it must succeed */ |
| 2187 | if ((h1m->flags & H1_MF_CHNK) && last_data && !chunk_memcat(&tmp, "0\r\n\r\n", 5)) |
| 2188 | goto error; |
| 2189 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2190 | if (h1m->state == H1_MSG_DATA) |
| 2191 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request payload data xferred" : "H1 response payload data xferred"), |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 2192 | H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, 0, (size_t[]){v.len}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2193 | else |
| 2194 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request tunneled data xferred" : "H1 response tunneled data xferred"), |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 2195 | H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, 0, (size_t[]){v.len}); |
Christopher Faulet | 0d7e634 | 2021-02-08 15:56:36 +0100 | [diff] [blame] | 2196 | |
| 2197 | skip_data: |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2198 | if (last_data) |
| 2199 | goto done; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2200 | break; |
| 2201 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2202 | case H1_MSG_TRAILERS: |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2203 | if (type != HTX_BLK_TLR && type != HTX_BLK_EOT) |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2204 | goto error; |
| 2205 | trailers: |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2206 | h1m->state = H1_MSG_TRAILERS; |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2207 | |
Christopher Faulet | 5433a0b | 2019-06-27 17:40:14 +0200 | [diff] [blame] | 2208 | /* If the message is not chunked, ignore |
| 2209 | * trailers. It may happen with H2 messages. */ |
Christopher Faulet | 0a916d2 | 2021-02-10 08:48:19 +0100 | [diff] [blame] | 2210 | if (!(h1m->flags & H1_MF_CHNK)) { |
| 2211 | if (type == HTX_BLK_EOT) |
| 2212 | goto done; |
Christopher Faulet | 5433a0b | 2019-06-27 17:40:14 +0200 | [diff] [blame] | 2213 | break; |
Christopher Faulet | 0a916d2 | 2021-02-10 08:48:19 +0100 | [diff] [blame] | 2214 | } |
Christopher Faulet | 5433a0b | 2019-06-27 17:40:14 +0200 | [diff] [blame] | 2215 | |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 2216 | if ((h1m->flags & H1_MF_RESP) && (h1s->flags & H1S_F_BODYLESS_RESP)) { |
| 2217 | TRACE_PROTO("Skip trailers for bodyless response", H1_EV_TX_DATA|H1_EV_TX_BODY, h1c->conn, h1s, chn_htx); |
Christopher Faulet | 0d7e634 | 2021-02-08 15:56:36 +0100 | [diff] [blame] | 2218 | if (type == HTX_BLK_EOT) |
| 2219 | goto done; |
Christopher Faulet | e5596bf | 2020-12-02 16:13:22 +0100 | [diff] [blame] | 2220 | break; |
| 2221 | } |
| 2222 | |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 2223 | if (type == HTX_BLK_EOT) { |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 2224 | if (!chunk_memcat(&tmp, "\r\n", 2)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2225 | goto full; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2226 | TRACE_PROTO((!(h1m->flags & H1_MF_RESP) ? "H1 request trailers xferred" : "H1 response trailers xferred"), |
| 2227 | H1_EV_TX_DATA|H1_EV_TX_TLRS, h1c->conn, h1s); |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2228 | goto done; |
Christopher Faulet | 3218821 | 2018-11-20 18:21:43 +0100 | [diff] [blame] | 2229 | } |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 2230 | else { // HTX_BLK_TLR |
| 2231 | n = htx_get_blk_name(chn_htx, blk); |
| 2232 | v = htx_get_blk_value(chn_htx, blk); |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 2233 | |
| 2234 | /* Try to adjust the case of the header name */ |
| 2235 | if (h1c->px->options2 & (PR_O2_H1_ADJ_BUGCLI|PR_O2_H1_ADJ_BUGSRV)) |
| 2236 | h1_adjust_case_outgoing_hdr(h1s, h1m, &n); |
Christopher Faulet | 53a899b | 2019-10-08 16:38:42 +0200 | [diff] [blame] | 2237 | if (!h1_format_htx_hdr(n, v, &tmp)) |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2238 | goto full; |
Christopher Faulet | 2d7c539 | 2019-06-03 10:41:26 +0200 | [diff] [blame] | 2239 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2240 | break; |
| 2241 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2242 | case H1_MSG_DONE: |
Christopher Faulet | d1ac2b9 | 2020-12-02 19:12:22 +0100 | [diff] [blame] | 2243 | TRACE_STATE("unexpected data xferred in done state", H1_EV_TX_DATA|H1_EV_H1C_ERR|H1_EV_H1S_ERR, h1c->conn, h1s); |
| 2244 | goto error; /* For now return an error */ |
| 2245 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2246 | done: |
Christopher Faulet | 3689367 | 2021-02-10 09:52:07 +0100 | [diff] [blame] | 2247 | if (!(chn_htx->flags & HTX_FL_EOM)) { |
| 2248 | TRACE_STATE("No EOM flags in done state", H1_EV_TX_DATA|H1_EV_H1C_ERR|H1_EV_H1S_ERR, h1c->conn, h1s); |
| 2249 | goto error; /* For now return an error */ |
| 2250 | } |
| 2251 | |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2252 | h1m->state = H1_MSG_DONE; |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2253 | if (!(h1m->flags & H1_MF_RESP) && h1s->meth == HTTP_METH_CONNECT) { |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 2254 | h1s->flags |= H1S_F_TX_BLK; |
| 2255 | TRACE_STATE("Disable output processing", H1_EV_TX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2256 | } |
| 2257 | else if ((h1m->flags & H1_MF_RESP) && |
| 2258 | ((h1s->meth == HTTP_METH_CONNECT && h1s->status >= 200 && h1s->status < 300) || h1s->status == 101)) { |
| 2259 | /* a successful reply to a CONNECT or a protocol switching is sent |
| 2260 | * to the client. Switch the response to tunnel mode. |
| 2261 | */ |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 2262 | h1_set_tunnel_mode(h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2263 | TRACE_STATE("switch H1 response in tunnel mode", H1_EV_TX_DATA|H1_EV_TX_HDRS, h1c->conn, h1s); |
Christopher Faulet | f3158e9 | 2019-11-15 11:14:23 +0100 | [diff] [blame] | 2264 | } |
Christopher Faulet | 5be651d | 2021-01-22 15:28:03 +0100 | [diff] [blame] | 2265 | |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 2266 | if (h1s->flags & H1S_F_RX_BLK) { |
| 2267 | h1s->flags &= ~H1S_F_RX_BLK; |
Christopher Faulet | 02c92c3 | 2021-04-09 12:31:48 +0200 | [diff] [blame] | 2268 | h1_wake_stream_for_recv(h1s); |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 2269 | TRACE_STATE("Re-enable input processing", H1_EV_TX_DATA|H1_EV_H1S_BLK|H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | cd67bff | 2019-06-14 16:54:15 +0200 | [diff] [blame] | 2270 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2271 | |
| 2272 | TRACE_USER((!(h1m->flags & H1_MF_RESP) ? "H1 request fully xferred" : "H1 response fully xferred"), |
| 2273 | H1_EV_TX_DATA, h1c->conn, h1s); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2274 | break; |
| 2275 | |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2276 | default: |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2277 | error: |
Christopher Faulet | d87d3fa | 2019-06-26 15:16:28 +0200 | [diff] [blame] | 2278 | /* Unexpected error during output processing */ |
Christopher Faulet | 69b4821 | 2019-09-09 10:11:30 +0200 | [diff] [blame] | 2279 | chn_htx->flags |= HTX_FL_PROCESSING_ERROR; |
Christopher Faulet | 60ef12c | 2020-09-24 10:05:44 +0200 | [diff] [blame] | 2280 | h1s->flags |= H1S_F_PROCESSING_ERROR; |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2281 | h1c->flags |= H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2282 | TRACE_ERROR("processing output error, set error on h1c/h1s", |
| 2283 | H1_EV_TX_DATA|H1_EV_STRM_ERR|H1_EV_H1C_ERR|H1_EV_H1S_ERR, h1c->conn, h1s); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2284 | break; |
| 2285 | } |
Christopher Faulet | 94b2c76 | 2019-05-24 15:28:57 +0200 | [diff] [blame] | 2286 | |
| 2287 | nextblk: |
Christopher Faulet | b2e8416 | 2018-12-06 11:39:49 +0100 | [diff] [blame] | 2288 | total += vlen; |
| 2289 | count -= vlen; |
| 2290 | if (sz == vlen) |
| 2291 | blk = htx_remove_blk(chn_htx, blk); |
| 2292 | else { |
| 2293 | htx_cut_data_blk(chn_htx, blk, vlen); |
| 2294 | break; |
| 2295 | } |
Christopher Faulet | 129817b | 2018-09-20 16:14:40 +0200 | [diff] [blame] | 2296 | } |
| 2297 | |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2298 | copy: |
Willy Tarreau | c5efa33 | 2018-12-05 11:19:27 +0100 | [diff] [blame] | 2299 | /* when the output buffer is empty, tmp shares the same area so that we |
| 2300 | * only have to update pointers and lengths. |
| 2301 | */ |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 2302 | if (tmp.area == h1c->obuf.area + h1c->obuf.head) |
| 2303 | h1c->obuf.data = tmp.data; |
Willy Tarreau | c5efa33 | 2018-12-05 11:19:27 +0100 | [diff] [blame] | 2304 | else |
Christopher Faulet | c2518a5 | 2019-06-25 21:41:02 +0200 | [diff] [blame] | 2305 | b_putblk(&h1c->obuf, tmp.area, tmp.data); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2306 | |
Willy Tarreau | 3815b22 | 2018-12-11 19:50:43 +0100 | [diff] [blame] | 2307 | htx_to_buf(chn_htx, buf); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2308 | out: |
| 2309 | if (!buf_room_for_htx_data(&h1c->obuf)) { |
| 2310 | TRACE_STATE("h1c obuf full", H1_EV_TX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2311 | h1c->flags |= H1C_F_OUT_FULL; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2312 | } |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2313 | end: |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2314 | /* Both the request and the response reached the DONE state. So set EOI |
| 2315 | * flag on the conn-stream. Most of time, the flag will already be set, |
| 2316 | * except for protocol upgrades. Report an error if data remains blocked |
| 2317 | * in the output buffer. |
| 2318 | */ |
| 2319 | if (h1s->req.state == H1_MSG_DONE && h1s->res.state == H1_MSG_DONE) { |
| 2320 | if (!htx_is_empty(chn_htx)) { |
| 2321 | h1c->flags |= H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2322 | TRACE_ERROR("txn done but data waiting to be sent, set error on h1c", H1_EV_H1C_ERR, h1c->conn, h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 2323 | } |
| 2324 | h1s->cs->flags |= CS_FL_EOI; |
| 2325 | } |
| 2326 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2327 | TRACE_LEAVE(H1_EV_TX_DATA, h1c->conn, h1s, chn_htx, (size_t[]){total}); |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2328 | return total; |
Christopher Faulet | a61aa54 | 2019-10-14 14:17:00 +0200 | [diff] [blame] | 2329 | |
| 2330 | full: |
| 2331 | TRACE_STATE("h1c obuf full", H1_EV_TX_DATA|H1_EV_H1S_BLK, h1c->conn, h1s); |
| 2332 | h1c->flags |= H1C_F_OUT_FULL; |
| 2333 | goto copy; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2334 | } |
| 2335 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2336 | /*********************************************************/ |
| 2337 | /* functions below are I/O callbacks from the connection */ |
| 2338 | /*********************************************************/ |
Christopher Faulet | e17fa2f | 2018-12-11 16:25:36 +0100 | [diff] [blame] | 2339 | static void h1_wake_stream_for_recv(struct h1s *h1s) |
| 2340 | { |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 2341 | if (h1s && h1s->subs && h1s->subs->events & SUB_RETRY_RECV) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2342 | TRACE_POINT(H1_EV_STRM_WAKE, h1s->h1c->conn, h1s); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 2343 | tasklet_wakeup(h1s->subs->tasklet); |
| 2344 | h1s->subs->events &= ~SUB_RETRY_RECV; |
| 2345 | if (!h1s->subs->events) |
| 2346 | h1s->subs = NULL; |
Christopher Faulet | e17fa2f | 2018-12-11 16:25:36 +0100 | [diff] [blame] | 2347 | } |
| 2348 | } |
| 2349 | static void h1_wake_stream_for_send(struct h1s *h1s) |
| 2350 | { |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 2351 | if (h1s && h1s->subs && h1s->subs->events & SUB_RETRY_SEND) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2352 | TRACE_POINT(H1_EV_STRM_WAKE, h1s->h1c->conn, h1s); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 2353 | tasklet_wakeup(h1s->subs->tasklet); |
| 2354 | h1s->subs->events &= ~SUB_RETRY_SEND; |
| 2355 | if (!h1s->subs->events) |
| 2356 | h1s->subs = NULL; |
Christopher Faulet | e17fa2f | 2018-12-11 16:25:36 +0100 | [diff] [blame] | 2357 | } |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2358 | } |
| 2359 | |
Christopher Faulet | ad4daf6 | 2021-01-21 17:49:01 +0100 | [diff] [blame] | 2360 | /* alerts the data layer following this sequence : |
| 2361 | * - if the h1s' data layer is subscribed to recv, then it's woken up for recv |
| 2362 | * - if its subscribed to send, then it's woken up for send |
| 2363 | * - if it was subscribed to neither, its ->wake() callback is called |
| 2364 | */ |
| 2365 | static void h1_alert(struct h1s *h1s) |
| 2366 | { |
| 2367 | if (h1s->subs) { |
| 2368 | h1_wake_stream_for_recv(h1s); |
| 2369 | h1_wake_stream_for_send(h1s); |
| 2370 | } |
| 2371 | else if (h1s->cs && h1s->cs->data_cb->wake != NULL) { |
| 2372 | TRACE_POINT(H1_EV_STRM_WAKE, h1s->h1c->conn, h1s); |
| 2373 | h1s->cs->data_cb->wake(h1s->cs); |
| 2374 | } |
| 2375 | } |
| 2376 | |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2377 | /* Try to send an HTTP error with h1c->errcode status code. It returns 1 on success |
| 2378 | * and 0 on error. The flag H1C_F_ERR_PENDING is set on the H1 connection for |
| 2379 | * retryable errors (allocation error or buffer full). On success, the error is |
| 2380 | * copied in the output buffer. |
| 2381 | */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2382 | static int h1_send_error(struct h1c *h1c) |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2383 | { |
| 2384 | int rc = http_get_status_idx(h1c->errcode); |
| 2385 | int ret = 0; |
| 2386 | |
| 2387 | TRACE_ENTER(H1_EV_H1C_ERR, h1c->conn, 0, 0, (size_t[]){h1c->errcode}); |
| 2388 | |
| 2389 | /* Verify if the error is mapped on /dev/null or any empty file */ |
| 2390 | /// XXX: do a function ! |
| 2391 | if (h1c->px->replies[rc] && |
| 2392 | h1c->px->replies[rc]->type == HTTP_REPLY_ERRMSG && |
| 2393 | h1c->px->replies[rc]->body.errmsg && |
| 2394 | b_is_null(h1c->px->replies[rc]->body.errmsg)) { |
| 2395 | /* Empty error, so claim a success */ |
| 2396 | ret = 1; |
| 2397 | goto out; |
| 2398 | } |
| 2399 | |
| 2400 | if (h1c->flags & (H1C_F_OUT_ALLOC|H1C_F_OUT_FULL)) { |
| 2401 | h1c->flags |= H1C_F_ERR_PENDING; |
| 2402 | goto out; |
| 2403 | } |
| 2404 | |
| 2405 | if (!h1_get_buf(h1c, &h1c->obuf)) { |
| 2406 | h1c->flags |= (H1C_F_OUT_ALLOC|H1C_F_ERR_PENDING); |
| 2407 | TRACE_STATE("waiting for h1c obuf allocation", H1_EV_H1C_ERR|H1_EV_H1C_BLK, h1c->conn); |
| 2408 | goto out; |
| 2409 | } |
| 2410 | ret = b_istput(&h1c->obuf, ist2(http_err_msgs[rc], strlen(http_err_msgs[rc]))); |
| 2411 | if (unlikely(ret <= 0)) { |
| 2412 | if (!ret) { |
| 2413 | h1c->flags |= (H1C_F_OUT_FULL|H1C_F_ERR_PENDING); |
| 2414 | TRACE_STATE("h1c obuf full", H1_EV_H1C_ERR|H1_EV_H1C_BLK, h1c->conn); |
| 2415 | goto out; |
| 2416 | } |
| 2417 | else { |
| 2418 | /* we cannot report this error, so claim a success */ |
| 2419 | ret = 1; |
| 2420 | } |
| 2421 | } |
| 2422 | h1c->flags &= ~H1C_F_ERR_PENDING; |
| 2423 | out: |
| 2424 | TRACE_LEAVE(H1_EV_H1C_ERR, h1c->conn); |
| 2425 | return ret; |
| 2426 | } |
| 2427 | |
| 2428 | /* Try to send a 500 internal error. It relies on h1_send_error to send the |
| 2429 | * error. This function takes care of incrementing stats and tracked counters. |
| 2430 | */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2431 | static int h1_handle_internal_err(struct h1c *h1c) |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2432 | { |
| 2433 | struct session *sess = h1c->conn->owner; |
| 2434 | int ret = 1; |
| 2435 | |
| 2436 | session_inc_http_req_ctr(sess); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2437 | proxy_inc_fe_req_ctr(sess->listener, sess->fe); |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2438 | _HA_ATOMIC_INC(&sess->fe->fe_counters.p.http.rsp[5]); |
| 2439 | _HA_ATOMIC_INC(&sess->fe->fe_counters.internal_errors); |
William Lallemand | 36119de | 2021-03-08 15:26:48 +0100 | [diff] [blame] | 2440 | if (sess->listener && sess->listener->counters) |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2441 | _HA_ATOMIC_INC(&sess->listener->counters->internal_errors); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2442 | |
| 2443 | h1c->errcode = 500; |
| 2444 | ret = h1_send_error(h1c); |
| 2445 | sess_log(sess); |
| 2446 | return ret; |
Christopher Faulet | e17fa2f | 2018-12-11 16:25:36 +0100 | [diff] [blame] | 2447 | } |
| 2448 | |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2449 | /* Try to send a 400 bad request error. It relies on h1_send_error to send the |
| 2450 | * error. This function takes care of incrementing stats and tracked counters. |
| 2451 | */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2452 | static int h1_handle_bad_req(struct h1c *h1c) |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2453 | { |
| 2454 | struct session *sess = h1c->conn->owner; |
| 2455 | int ret = 1; |
| 2456 | |
| 2457 | if (!b_data(&h1c->ibuf) && ((h1c->flags & H1C_F_WAIT_NEXT_REQ) || (sess->fe->options & PR_O_IGNORE_PRB))) |
| 2458 | goto end; |
| 2459 | |
| 2460 | session_inc_http_req_ctr(sess); |
| 2461 | session_inc_http_err_ctr(sess); |
| 2462 | proxy_inc_fe_req_ctr(sess->listener, sess->fe); |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2463 | _HA_ATOMIC_INC(&sess->fe->fe_counters.p.http.rsp[4]); |
| 2464 | _HA_ATOMIC_INC(&sess->fe->fe_counters.failed_req); |
William Lallemand | 36119de | 2021-03-08 15:26:48 +0100 | [diff] [blame] | 2465 | if (sess->listener && sess->listener->counters) |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2466 | _HA_ATOMIC_INC(&sess->listener->counters->failed_req); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2467 | |
| 2468 | h1c->errcode = 400; |
| 2469 | ret = h1_send_error(h1c); |
Christopher Faulet | 6858d76 | 2021-07-26 09:42:49 +0200 | [diff] [blame] | 2470 | if (b_data(&h1c->ibuf) || !(sess->fe->options & PR_O_NULLNOLOG)) |
| 2471 | sess_log(sess); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2472 | |
| 2473 | end: |
| 2474 | return ret; |
| 2475 | } |
| 2476 | |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2477 | /* Try to send a 501 not implemented error. It relies on h1_send_error to send |
| 2478 | * the error. This function takes care of incrementing stats and tracked |
| 2479 | * counters. |
| 2480 | */ |
| 2481 | static int h1_handle_not_impl_err(struct h1c *h1c) |
| 2482 | { |
| 2483 | struct session *sess = h1c->conn->owner; |
| 2484 | int ret = 1; |
| 2485 | |
| 2486 | if (!b_data(&h1c->ibuf) && ((h1c->flags & H1C_F_WAIT_NEXT_REQ) || (sess->fe->options & PR_O_IGNORE_PRB))) |
| 2487 | goto end; |
| 2488 | |
| 2489 | session_inc_http_req_ctr(sess); |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2490 | proxy_inc_fe_req_ctr(sess->listener, sess->fe); |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2491 | _HA_ATOMIC_INC(&sess->fe->fe_counters.p.http.rsp[4]); |
| 2492 | _HA_ATOMIC_INC(&sess->fe->fe_counters.failed_req); |
William Lallemand | 36119de | 2021-03-08 15:26:48 +0100 | [diff] [blame] | 2493 | if (sess->listener && sess->listener->counters) |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2494 | _HA_ATOMIC_INC(&sess->listener->counters->failed_req); |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2495 | |
| 2496 | h1c->errcode = 501; |
| 2497 | ret = h1_send_error(h1c); |
Christopher Faulet | 6858d76 | 2021-07-26 09:42:49 +0200 | [diff] [blame] | 2498 | if (b_data(&h1c->ibuf) || !(sess->fe->options & PR_O_NULLNOLOG)) |
| 2499 | sess_log(sess); |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2500 | |
| 2501 | end: |
| 2502 | return ret; |
| 2503 | } |
| 2504 | |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2505 | /* Try to send a 408 timeout error. It relies on h1_send_error to send the |
| 2506 | * error. This function takes care of incrementing stats and tracked counters. |
| 2507 | */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2508 | static int h1_handle_req_tout(struct h1c *h1c) |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2509 | { |
| 2510 | struct session *sess = h1c->conn->owner; |
| 2511 | int ret = 1; |
| 2512 | |
| 2513 | if (!b_data(&h1c->ibuf) && ((h1c->flags & H1C_F_WAIT_NEXT_REQ) || (sess->fe->options & PR_O_IGNORE_PRB))) |
| 2514 | goto end; |
| 2515 | |
| 2516 | session_inc_http_req_ctr(sess); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2517 | proxy_inc_fe_req_ctr(sess->listener, sess->fe); |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2518 | _HA_ATOMIC_INC(&sess->fe->fe_counters.p.http.rsp[4]); |
| 2519 | _HA_ATOMIC_INC(&sess->fe->fe_counters.failed_req); |
William Lallemand | 36119de | 2021-03-08 15:26:48 +0100 | [diff] [blame] | 2520 | if (sess->listener && sess->listener->counters) |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2521 | _HA_ATOMIC_INC(&sess->listener->counters->failed_req); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2522 | |
| 2523 | h1c->errcode = 408; |
Christopher Faulet | 6858d76 | 2021-07-26 09:42:49 +0200 | [diff] [blame] | 2524 | if (b_data(&h1c->ibuf) || !(sess->fe->options & PR_O_NULLNOLOG)) |
| 2525 | ret = h1_send_error(h1c); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 2526 | sess_log(sess); |
| 2527 | end: |
| 2528 | return ret; |
| 2529 | } |
| 2530 | |
| 2531 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2532 | /* |
| 2533 | * Attempt to read data, and subscribe if none available |
| 2534 | */ |
| 2535 | static int h1_recv(struct h1c *h1c) |
| 2536 | { |
| 2537 | struct connection *conn = h1c->conn; |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2538 | size_t ret = 0, max; |
Willy Tarreau | 6e59cb5 | 2020-02-20 11:11:50 +0100 | [diff] [blame] | 2539 | int flags = 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2540 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2541 | TRACE_ENTER(H1_EV_H1C_RECV, h1c->conn); |
| 2542 | |
| 2543 | if (h1c->wait_event.events & SUB_RETRY_RECV) { |
| 2544 | TRACE_DEVEL("leaving on sub_recv", H1_EV_H1C_RECV, h1c->conn); |
Christopher Faulet | c386a88 | 2018-12-04 16:06:28 +0100 | [diff] [blame] | 2545 | return (b_data(&h1c->ibuf)); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2546 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2547 | |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 2548 | if ((h1c->flags & H1C_F_WANT_SPLICE) || !h1_recv_allowed(h1c)) { |
| 2549 | TRACE_DEVEL("leaving on (want_splice|!recv_allowed)", H1_EV_H1C_RECV, h1c->conn); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2550 | return 1; |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2551 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2552 | |
Christopher Faulet | f7d5ff3 | 2019-04-16 13:55:08 +0200 | [diff] [blame] | 2553 | if (!h1_get_buf(h1c, &h1c->ibuf)) { |
| 2554 | h1c->flags |= H1C_F_IN_ALLOC; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2555 | TRACE_STATE("waiting for h1c ibuf allocation", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2556 | return 0; |
Christopher Faulet | 9768c26 | 2018-10-22 09:34:31 +0200 | [diff] [blame] | 2557 | } |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 2558 | |
Olivier Houchard | 29a22bc | 2018-12-04 18:16:45 +0100 | [diff] [blame] | 2559 | /* |
| 2560 | * If we only have a small amount of data, realign it, |
| 2561 | * it's probably cheaper than doing 2 recv() calls. |
| 2562 | */ |
| 2563 | if (b_data(&h1c->ibuf) > 0 && b_data(&h1c->ibuf) < 128) |
| 2564 | b_slow_realign(&h1c->ibuf, trash.area, 0); |
| 2565 | |
Willy Tarreau | 6e59cb5 | 2020-02-20 11:11:50 +0100 | [diff] [blame] | 2566 | /* avoid useless reads after first responses */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2567 | if (!h1c->h1s || |
| 2568 | (!(h1c->flags & H1C_F_IS_BACK) && h1c->h1s->req.state == H1_MSG_RQBEFORE) || |
| 2569 | ((h1c->flags & H1C_F_IS_BACK) && h1c->h1s->res.state == H1_MSG_RPBEFORE)) |
Willy Tarreau | 6e59cb5 | 2020-02-20 11:11:50 +0100 | [diff] [blame] | 2570 | flags |= CO_RFL_READ_ONCE; |
| 2571 | |
Willy Tarreau | 45f2b89 | 2018-12-05 07:59:27 +0100 | [diff] [blame] | 2572 | max = buf_room_for_htx_data(&h1c->ibuf); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2573 | if (max) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2574 | if (h1c->flags & H1C_F_IN_FULL) { |
| 2575 | h1c->flags &= ~H1C_F_IN_FULL; |
| 2576 | TRACE_STATE("h1c ibuf not full anymore", H1_EV_H1C_RECV|H1_EV_H1C_BLK); |
| 2577 | } |
Willy Tarreau | 78f548f | 2018-12-05 10:02:39 +0100 | [diff] [blame] | 2578 | |
| 2579 | if (!b_data(&h1c->ibuf)) { |
| 2580 | /* try to pre-align the buffer like the rxbufs will be |
| 2581 | * to optimize memory copies. |
| 2582 | */ |
Willy Tarreau | 78f548f | 2018-12-05 10:02:39 +0100 | [diff] [blame] | 2583 | h1c->ibuf.head = sizeof(struct htx); |
| 2584 | } |
Willy Tarreau | 6e59cb5 | 2020-02-20 11:11:50 +0100 | [diff] [blame] | 2585 | ret = conn->xprt->rcv_buf(conn, conn->xprt_ctx, &h1c->ibuf, max, flags); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2586 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2587 | if (max && !ret && h1_recv_allowed(h1c)) { |
| 2588 | TRACE_STATE("failed to receive data, subscribing", H1_EV_H1C_RECV, h1c->conn); |
| 2589 | conn->xprt->subscribe(conn, conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
Christopher Faulet | cf56b99 | 2018-12-11 16:12:31 +0100 | [diff] [blame] | 2590 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2591 | else { |
| 2592 | h1_wake_stream_for_recv(h1c->h1s); |
| 2593 | TRACE_DATA("data received", H1_EV_H1C_RECV, h1c->conn, 0, 0, (size_t[]){ret}); |
Willy Tarreau | fbdf90a | 2019-06-03 13:42:54 +0200 | [diff] [blame] | 2594 | } |
| 2595 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2596 | if (!b_data(&h1c->ibuf)) |
| 2597 | h1_release_buf(h1c, &h1c->ibuf); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2598 | else if (!buf_room_for_htx_data(&h1c->ibuf)) { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2599 | h1c->flags |= H1C_F_IN_FULL; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2600 | TRACE_STATE("h1c ibuf full", H1_EV_H1C_RECV|H1_EV_H1C_BLK); |
| 2601 | } |
| 2602 | |
| 2603 | TRACE_LEAVE(H1_EV_H1C_RECV, h1c->conn); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2604 | return !!ret || (conn->flags & CO_FL_ERROR) || conn_xprt_read0_pending(conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2605 | } |
| 2606 | |
| 2607 | |
| 2608 | /* |
| 2609 | * Try to send data if possible |
| 2610 | */ |
| 2611 | static int h1_send(struct h1c *h1c) |
| 2612 | { |
| 2613 | struct connection *conn = h1c->conn; |
| 2614 | unsigned int flags = 0; |
| 2615 | size_t ret; |
| 2616 | int sent = 0; |
| 2617 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2618 | TRACE_ENTER(H1_EV_H1C_SEND, h1c->conn); |
| 2619 | |
| 2620 | if (conn->flags & CO_FL_ERROR) { |
| 2621 | TRACE_DEVEL("leaving on connection error", H1_EV_H1C_SEND, h1c->conn); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2622 | b_reset(&h1c->obuf); |
| 2623 | return 1; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2624 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2625 | |
| 2626 | if (!b_data(&h1c->obuf)) |
| 2627 | goto end; |
| 2628 | |
Christopher Faulet | 4623036 | 2019-10-17 16:04:20 +0200 | [diff] [blame] | 2629 | if (h1c->flags & H1C_F_CO_MSG_MORE) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2630 | flags |= CO_SFL_MSG_MORE; |
Christopher Faulet | 4623036 | 2019-10-17 16:04:20 +0200 | [diff] [blame] | 2631 | if (h1c->flags & H1C_F_CO_STREAMER) |
| 2632 | flags |= CO_SFL_STREAMER; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2633 | |
Olivier Houchard | e179d0e | 2019-03-21 18:27:17 +0100 | [diff] [blame] | 2634 | ret = conn->xprt->snd_buf(conn, conn->xprt_ctx, &h1c->obuf, b_data(&h1c->obuf), flags); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2635 | if (ret > 0) { |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 2636 | TRACE_DATA("data sent", H1_EV_H1C_SEND, h1c->conn, 0, 0, (size_t[]){ret}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2637 | if (h1c->flags & H1C_F_OUT_FULL) { |
| 2638 | h1c->flags &= ~H1C_F_OUT_FULL; |
| 2639 | TRACE_STATE("h1c obuf not full anymore", H1_EV_STRM_SEND|H1_EV_H1S_BLK, h1c->conn); |
| 2640 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2641 | b_del(&h1c->obuf, ret); |
| 2642 | sent = 1; |
| 2643 | } |
| 2644 | |
Christopher Faulet | 145aa47 | 2018-12-06 10:56:20 +0100 | [diff] [blame] | 2645 | if (conn->flags & (CO_FL_ERROR|CO_FL_SOCK_WR_SH)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2646 | TRACE_DEVEL("connection error or output closed", H1_EV_H1C_SEND, h1c->conn); |
Christopher Faulet | 145aa47 | 2018-12-06 10:56:20 +0100 | [diff] [blame] | 2647 | /* error or output closed, nothing to send, clear the buffer to release it */ |
| 2648 | b_reset(&h1c->obuf); |
| 2649 | } |
| 2650 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2651 | end: |
Christopher Faulet | 10a8670 | 2021-04-07 14:18:11 +0200 | [diff] [blame] | 2652 | if (!(h1c->flags & H1C_F_OUT_FULL)) |
Christopher Faulet | e17fa2f | 2018-12-11 16:25:36 +0100 | [diff] [blame] | 2653 | h1_wake_stream_for_send(h1c->h1s); |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2654 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2655 | /* We're done, no more to send */ |
| 2656 | if (!b_data(&h1c->obuf)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2657 | TRACE_DEVEL("leaving with everything sent", H1_EV_H1C_SEND, h1c->conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2658 | h1_release_buf(h1c, &h1c->obuf); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2659 | if (h1c->flags & H1C_F_ST_SHUTDOWN) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2660 | TRACE_STATE("process pending shutdown for writes", H1_EV_H1C_SEND, h1c->conn); |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 2661 | h1_shutw_conn(conn); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2662 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2663 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2664 | else if (!(h1c->wait_event.events & SUB_RETRY_SEND)) { |
| 2665 | TRACE_STATE("more data to send, subscribing", H1_EV_H1C_SEND, h1c->conn); |
Olivier Houchard | e179d0e | 2019-03-21 18:27:17 +0100 | [diff] [blame] | 2666 | conn->xprt->subscribe(conn, conn->xprt_ctx, SUB_RETRY_SEND, &h1c->wait_event); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2667 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2668 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2669 | TRACE_LEAVE(H1_EV_H1C_SEND, h1c->conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2670 | return sent; |
| 2671 | } |
| 2672 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2673 | /* callback called on any event by the connection handler. |
| 2674 | * It applies changes and returns zero, or < 0 if it wants immediate |
| 2675 | * destruction of the connection. |
| 2676 | */ |
| 2677 | static int h1_process(struct h1c * h1c) |
| 2678 | { |
| 2679 | struct connection *conn = h1c->conn; |
Christopher Faulet | feb1174 | 2018-11-29 15:12:34 +0100 | [diff] [blame] | 2680 | struct h1s *h1s = h1c->h1s; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2681 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2682 | TRACE_ENTER(H1_EV_H1C_WAKE, conn); |
| 2683 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2684 | /* Try to parse now the first block of a request, creating the H1 stream if necessary */ |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 2685 | if (b_data(&h1c->ibuf) && /* Input data to be processed */ |
Christopher Faulet | af3b83e | 2021-09-16 08:16:23 +0200 | [diff] [blame] | 2686 | (h1c->flags & H1C_F_ST_ALIVE) && !(h1c->flags & H1C_F_ST_READY) && /* ST_IDLE/ST_EMBRYONIC or ST_ATTACH but not ST_READY */ |
| 2687 | !(h1c->flags & (H1C_F_IN_SALLOC|H1C_F_ST_ERROR))) { /* No allocation failure on the stream rxbuf and no ERROR on the H1C */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2688 | struct buffer *buf; |
| 2689 | size_t count; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2690 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2691 | /* When it happens for a backend connection, we may release it (it is probably a 408) */ |
| 2692 | if (h1c->flags & H1C_F_IS_BACK) |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 2693 | goto release; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2694 | |
| 2695 | /* First of all handle H1 to H2 upgrade (no need to create the H1 stream) */ |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 2696 | if (!(h1c->flags & H1C_F_WAIT_NEXT_REQ) && /* First request */ |
Christopher Faulet | 143e9e5 | 2021-03-08 15:32:03 +0100 | [diff] [blame] | 2697 | !(h1c->px->options2 & PR_O2_NO_H2_UPGRADE) && /* H2 upgrade supported by the proxy */ |
| 2698 | !(conn->mux->flags & MX_FL_NO_UPG)) { /* the current mux supports upgrades */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2699 | /* Try to match H2 preface before parsing the request headers. */ |
| 2700 | if (b_isteq(&h1c->ibuf, 0, b_data(&h1c->ibuf), ist(H2_CONN_PREFACE)) > 0) { |
| 2701 | h1c->flags |= H1C_F_UPG_H2C; |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2702 | if (h1c->flags & H1C_F_ST_ATTACHED) { |
| 2703 | /* Force the REOS here to be sure to release the CS. |
| 2704 | Here ATTACHED implies !READY, and h1s defined |
| 2705 | */ |
| 2706 | BUG_ON(!h1s || (h1c->flags & H1C_F_ST_READY)); |
| 2707 | h1s->flags |= H1S_F_REOS; |
| 2708 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2709 | TRACE_STATE("release h1c to perform H2 upgrade ", H1_EV_RX_DATA|H1_EV_H1C_WAKE); |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 2710 | goto release; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2711 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2712 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2713 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2714 | /* Create the H1 stream if not already there */ |
| 2715 | if (!h1s) { |
| 2716 | h1s = h1c_frt_stream_new(h1c); |
| 2717 | if (!h1s) { |
| 2718 | b_reset(&h1c->ibuf); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2719 | h1c->flags = (h1c->flags & ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ)) | H1C_F_ST_ERROR; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2720 | goto no_parsing; |
| 2721 | } |
| 2722 | } |
| 2723 | |
| 2724 | if (h1s->sess->t_idle == -1) |
| 2725 | h1s->sess->t_idle = tv_ms_elapsed(&h1s->sess->tv_accept, &now) - h1s->sess->t_handshake; |
| 2726 | |
| 2727 | /* Get the stream rxbuf */ |
| 2728 | buf = h1_get_buf(h1c, &h1s->rxbuf); |
| 2729 | if (!buf) { |
| 2730 | h1c->flags |= H1C_F_IN_SALLOC; |
| 2731 | TRACE_STATE("waiting for stream rxbuf allocation", H1_EV_H1C_WAKE|H1_EV_H1C_BLK, h1c->conn); |
| 2732 | return 0; |
| 2733 | } |
| 2734 | |
| 2735 | count = (buf->size - sizeof(struct htx) - global.tune.maxrewrite); |
| 2736 | h1_process_input(h1c, buf, count); |
| 2737 | h1_release_buf(h1c, &h1s->rxbuf); |
| 2738 | h1_set_idle_expiration(h1c); |
| 2739 | |
| 2740 | no_parsing: |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2741 | if (h1c->flags & H1C_F_ST_ERROR) { |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2742 | h1_handle_internal_err(h1c); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2743 | h1c->flags &= ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ); |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2744 | TRACE_ERROR("internal error detected", H1_EV_H1C_WAKE|H1_EV_H1C_ERR); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2745 | } |
| 2746 | else if (h1s->flags & H1S_F_PARSING_ERROR) { |
| 2747 | h1_handle_bad_req(h1c); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2748 | h1c->flags = (h1c->flags & ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ)) | H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2749 | TRACE_ERROR("parsing error detected", H1_EV_H1C_WAKE|H1_EV_H1C_ERR); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2750 | } |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2751 | else if (h1s->flags & H1S_F_NOT_IMPL_ERROR) { |
| 2752 | h1_handle_not_impl_err(h1c); |
| 2753 | h1c->flags = (h1c->flags & ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ)) | H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2754 | TRACE_ERROR("not-implemented error detected", H1_EV_H1C_WAKE|H1_EV_H1C_ERR); |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 2755 | } |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 2756 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2757 | h1_send(h1c); |
| 2758 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2759 | if ((conn->flags & CO_FL_ERROR) || conn_xprt_read0_pending(conn) || (h1c->flags & H1C_F_ST_ERROR)) { |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 2760 | if (!(h1c->flags & H1C_F_ST_READY)) { |
| 2761 | /* No conn-stream or not ready */ |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2762 | /* shutdown for reads and error on the frontend connection: Send an error */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2763 | if (!(h1c->flags & (H1C_F_IS_BACK|H1C_F_ST_ERROR))) { |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2764 | if (h1_handle_bad_req(h1c)) |
| 2765 | h1_send(h1c); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2766 | h1c->flags = (h1c->flags & ~(H1C_F_ST_IDLE|H1C_F_WAIT_NEXT_REQ)) | H1C_F_ST_ERROR; |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2767 | } |
| 2768 | |
| 2769 | /* Handle pending error, if any (only possible on frontend connection) */ |
| 2770 | if (h1c->flags & H1C_F_ERR_PENDING) { |
| 2771 | BUG_ON(h1c->flags & H1C_F_IS_BACK); |
| 2772 | if (h1_send_error(h1c)) |
| 2773 | h1_send(h1c); |
| 2774 | } |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 2775 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2776 | /* If there is some pending outgoing data or error, just wait */ |
| 2777 | if (b_data(&h1c->obuf) || (h1c->flags & H1C_F_ERR_PENDING)) |
| 2778 | goto end; |
Christopher Faulet | feb1174 | 2018-11-29 15:12:34 +0100 | [diff] [blame] | 2779 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2780 | /* Otherwise we can release the H1 connection */ |
| 2781 | goto release; |
| 2782 | } |
| 2783 | else { |
| 2784 | /* Here there is still a H1 stream with a conn-stream. |
| 2785 | * Report the connection state at the stream level |
| 2786 | */ |
| 2787 | if (conn_xprt_read0_pending(conn)) { |
| 2788 | h1s->flags |= H1S_F_REOS; |
| 2789 | TRACE_STATE("read0 on connection", H1_EV_H1C_RECV, conn, h1s); |
| 2790 | } |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2791 | if ((h1c->flags & H1C_F_ST_ERROR) || (conn->flags & CO_FL_ERROR)) |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2792 | h1s->cs->flags |= CS_FL_ERROR; |
| 2793 | TRACE_POINT(H1_EV_STRM_WAKE, h1c->conn, h1s); |
Christopher Faulet | ad4daf6 | 2021-01-21 17:49:01 +0100 | [diff] [blame] | 2794 | h1_alert(h1s); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2795 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2796 | } |
Willy Tarreau | c493c9c | 2019-06-03 14:18:22 +0200 | [diff] [blame] | 2797 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2798 | if (!b_data(&h1c->ibuf)) |
| 2799 | h1_release_buf(h1c, &h1c->ibuf); |
| 2800 | |
Amaury Denoyelle | efc6e95 | 2021-05-05 11:11:11 +0200 | [diff] [blame] | 2801 | /* Check if a soft-stop is in progress. |
| 2802 | * Release idling front connection if this is the case. |
| 2803 | */ |
| 2804 | if (!(h1c->flags & H1C_F_IS_BACK)) { |
| 2805 | if (unlikely(h1c->px->disabled)) { |
| 2806 | if (h1c->flags & H1C_F_WAIT_NEXT_REQ) |
| 2807 | goto release; |
| 2808 | } |
| 2809 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2810 | |
| 2811 | if ((h1c->flags & H1C_F_WANT_SPLICE) && !h1s_data_pending(h1s)) { |
| 2812 | TRACE_DEVEL("xprt rcv_buf blocked (want_splice), notify h1s for recv", H1_EV_H1C_RECV, h1c->conn); |
| 2813 | h1_wake_stream_for_recv(h1s); |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2814 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2815 | |
Christopher Faulet | 4736527 | 2018-10-31 17:40:50 +0100 | [diff] [blame] | 2816 | end: |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 2817 | h1_refresh_timeout(h1c); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2818 | TRACE_LEAVE(H1_EV_H1C_WAKE, conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2819 | return 0; |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 2820 | |
| 2821 | release: |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2822 | if (h1c->flags & H1C_F_ST_ATTACHED) { |
Ilya Shipitsin | acf8459 | 2021-02-06 22:29:08 +0500 | [diff] [blame] | 2823 | /* Don't release the H1 connection right now, we must destroy the |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2824 | * attached CS first. Here, the H1C must not be READY */ |
| 2825 | BUG_ON(!h1s || h1c->flags & H1C_F_ST_READY); |
| 2826 | |
| 2827 | if (conn_xprt_read0_pending(conn) || (h1s->flags & H1S_F_REOS)) |
| 2828 | h1s->cs->flags |= CS_FL_EOS; |
| 2829 | if ((h1c->flags & H1C_F_ST_ERROR) || (conn->flags & CO_FL_ERROR)) |
| 2830 | h1s->cs->flags |= CS_FL_ERROR; |
| 2831 | h1_alert(h1s); |
| 2832 | TRACE_DEVEL("waiting to release the CS before releasing the connection", H1_EV_H1C_WAKE); |
| 2833 | } |
| 2834 | else { |
| 2835 | h1_release(h1c); |
| 2836 | TRACE_DEVEL("leaving after releasing the connection", H1_EV_H1C_WAKE); |
| 2837 | } |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 2838 | return -1; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2839 | } |
| 2840 | |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2841 | struct task *h1_io_cb(struct task *t, void *ctx, unsigned int state) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2842 | { |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2843 | struct connection *conn; |
| 2844 | struct tasklet *tl = (struct tasklet *)t; |
| 2845 | int conn_in_list; |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2846 | struct h1c *h1c = ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2847 | int ret = 0; |
| 2848 | |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2849 | if (state & TASK_F_USR1) { |
| 2850 | /* the tasklet was idling on an idle connection, it might have |
| 2851 | * been stolen, let's be careful! |
| 2852 | */ |
| 2853 | HA_SPIN_LOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
| 2854 | if (tl->context == NULL) { |
| 2855 | /* The connection has been taken over by another thread, |
| 2856 | * we're no longer responsible for it, so just free the |
| 2857 | * tasklet, and do nothing. |
| 2858 | */ |
| 2859 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
| 2860 | tasklet_free(tl); |
| 2861 | return NULL; |
| 2862 | } |
| 2863 | conn = h1c->conn; |
| 2864 | TRACE_POINT(H1_EV_H1C_WAKE, conn); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2865 | |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2866 | /* Remove the connection from the list, to be sure nobody attempts |
| 2867 | * to use it while we handle the I/O events |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2868 | */ |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2869 | conn_in_list = conn->flags & CO_FL_LIST_MASK; |
| 2870 | if (conn_in_list) |
| 2871 | conn_delete_from_tree(&conn->hash_node->node); |
| 2872 | |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2873 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 2874 | } else { |
| 2875 | /* we're certain the connection was not in an idle list */ |
| 2876 | conn = h1c->conn; |
| 2877 | TRACE_ENTER(H1_EV_H1C_WAKE, conn); |
| 2878 | conn_in_list = 0; |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2879 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2880 | |
Willy Tarreau | 4f6516d | 2018-12-19 13:59:17 +0100 | [diff] [blame] | 2881 | if (!(h1c->wait_event.events & SUB_RETRY_SEND)) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2882 | ret = h1_send(h1c); |
Willy Tarreau | 4f6516d | 2018-12-19 13:59:17 +0100 | [diff] [blame] | 2883 | if (!(h1c->wait_event.events & SUB_RETRY_RECV)) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2884 | ret |= h1_recv(h1c); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2885 | if (ret || b_data(&h1c->ibuf)) |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2886 | ret = h1_process(h1c); |
Willy Tarreau | 7416314 | 2021-03-13 11:30:19 +0100 | [diff] [blame] | 2887 | |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2888 | /* If we were in an idle list, we want to add it back into it, |
| 2889 | * unless h1_process() returned -1, which mean it has destroyed |
| 2890 | * the connection (testing !ret is enough, if h1_process() wasn't |
| 2891 | * called then ret will be 0 anyway. |
| 2892 | */ |
Willy Tarreau | 7416314 | 2021-03-13 11:30:19 +0100 | [diff] [blame] | 2893 | if (ret < 0) |
| 2894 | t = NULL; |
| 2895 | |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2896 | if (!ret && conn_in_list) { |
| 2897 | struct server *srv = objt_server(conn->target); |
| 2898 | |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2899 | HA_SPIN_LOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2900 | if (conn_in_list == CO_FL_SAFE_LIST) |
Willy Tarreau | 430bf4a | 2021-03-04 09:45:32 +0100 | [diff] [blame] | 2901 | ebmb_insert(&srv->per_thr[tid].safe_conns, &conn->hash_node->node, sizeof(conn->hash_node->hash)); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2902 | else |
Willy Tarreau | 430bf4a | 2021-03-04 09:45:32 +0100 | [diff] [blame] | 2903 | ebmb_insert(&srv->per_thr[tid].idle_conns, &conn->hash_node->node, sizeof(conn->hash_node->hash)); |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2904 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2905 | } |
Willy Tarreau | 7416314 | 2021-03-13 11:30:19 +0100 | [diff] [blame] | 2906 | return t; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2907 | } |
| 2908 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2909 | static int h1_wake(struct connection *conn) |
| 2910 | { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 2911 | struct h1c *h1c = conn->ctx; |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2912 | int ret; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2913 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2914 | TRACE_POINT(H1_EV_H1C_WAKE, conn); |
| 2915 | |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 2916 | h1_send(h1c); |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2917 | ret = h1_process(h1c); |
| 2918 | if (ret == 0) { |
| 2919 | struct h1s *h1s = h1c->h1s; |
| 2920 | |
Christopher Faulet | ad4daf6 | 2021-01-21 17:49:01 +0100 | [diff] [blame] | 2921 | if (h1c->flags & H1C_F_ST_ATTACHED) |
| 2922 | h1_alert(h1s); |
Olivier Houchard | 75159a9 | 2018-12-03 18:46:09 +0100 | [diff] [blame] | 2923 | } |
| 2924 | return ret; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 2925 | } |
| 2926 | |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 2927 | /* Connection timeout management. The principle is that if there's no receipt |
| 2928 | * nor sending for a certain amount of time, the connection is closed. |
| 2929 | */ |
Willy Tarreau | 144f84a | 2021-03-02 16:09:26 +0100 | [diff] [blame] | 2930 | struct task *h1_timeout_task(struct task *t, void *context, unsigned int state) |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 2931 | { |
| 2932 | struct h1c *h1c = context; |
| 2933 | int expired = tick_is_expired(t->expire, now_ms); |
| 2934 | |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2935 | TRACE_ENTER(H1_EV_H1C_WAKE, h1c ? h1c->conn : NULL); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 2936 | |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2937 | if (h1c) { |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2938 | /* Make sure nobody stole the connection from us */ |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2939 | HA_SPIN_LOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2940 | |
| 2941 | /* Somebody already stole the connection from us, so we should not |
| 2942 | * free it, we just have to free the task. |
| 2943 | */ |
| 2944 | if (!t->context) { |
| 2945 | h1c = NULL; |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2946 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2947 | goto do_leave; |
| 2948 | } |
| 2949 | |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2950 | if (!expired) { |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2951 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2952 | TRACE_DEVEL("leaving (not expired)", H1_EV_H1C_WAKE, h1c->conn, h1c->h1s); |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2953 | return t; |
| 2954 | } |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 2955 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 2956 | /* If a conn-stream is still attached and ready to the mux, wait for the |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2957 | * stream's timeout |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2958 | */ |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 2959 | if (h1c->flags & H1C_F_ST_READY) { |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2960 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2961 | t->expire = TICK_ETERNITY; |
| 2962 | TRACE_DEVEL("leaving (CS still attached)", H1_EV_H1C_WAKE, h1c->conn, h1c->h1s); |
| 2963 | return t; |
| 2964 | } |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2965 | |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2966 | /* Try to send an error to the client */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 2967 | if (!(h1c->flags & (H1C_F_IS_BACK|H1C_F_ST_ERROR|H1C_F_ERR_PENDING|H1C_F_ST_SHUTDOWN))) { |
| 2968 | h1c->flags = (h1c->flags & ~H1C_F_ST_IDLE) | H1C_F_ST_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 2969 | TRACE_DEVEL("timeout error detected", H1_EV_H1C_WAKE|H1_EV_H1C_ERR, h1c->conn, h1c->h1s); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2970 | if (h1_handle_req_tout(h1c)) |
| 2971 | h1_send(h1c); |
| 2972 | if (b_data(&h1c->obuf) || (h1c->flags & H1C_F_ERR_PENDING)) { |
| 2973 | h1_refresh_timeout(h1c); |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2974 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 2975 | return t; |
| 2976 | } |
| 2977 | } |
| 2978 | |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2979 | if (h1c->flags & H1C_F_ST_ATTACHED) { |
Ilya Shipitsin | acf8459 | 2021-02-06 22:29:08 +0500 | [diff] [blame] | 2980 | /* Don't release the H1 connection right now, we must destroy the |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2981 | * attached CS first. Here, the H1C must not be READY */ |
| 2982 | h1c->h1s->cs->flags |= (CS_FL_EOS|CS_FL_ERROR); |
| 2983 | h1_alert(h1c->h1s); |
| 2984 | h1_refresh_timeout(h1c); |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2985 | HA_SPIN_UNLOCK(OTHER_LOCK, &idle_conns[tid].idle_conns_lock); |
Christopher Faulet | 0f9395d | 2021-01-21 17:50:19 +0100 | [diff] [blame] | 2986 | TRACE_DEVEL("waiting to release the CS before releasing the connection", H1_EV_H1C_WAKE); |
| 2987 | return t; |
| 2988 | } |
| 2989 | |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2990 | /* We're about to destroy the connection, so make sure nobody attempts |
| 2991 | * to steal it from us. |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2992 | */ |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2993 | if (h1c->conn->flags & CO_FL_LIST_MASK) |
Amaury Denoyelle | 8990b01 | 2021-02-19 15:29:16 +0100 | [diff] [blame] | 2994 | conn_delete_from_tree(&h1c->conn->hash_node->node); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2995 | |
Amaury Denoyelle | 5c7086f | 2021-01-11 09:21:52 +0100 | [diff] [blame] | 2996 | HA_SPIN_UNLOCK(IDLE_CONNS_LOCK, &idle_conns[tid].idle_conns_lock); |
Willy Tarreau | 68d4ee9 | 2020-06-30 11:19:23 +0200 | [diff] [blame] | 2997 | } |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 2998 | |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 2999 | do_leave: |
Olivier Houchard | 3f795f7 | 2019-04-17 22:51:06 +0200 | [diff] [blame] | 3000 | task_destroy(t); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 3001 | |
| 3002 | if (!h1c) { |
| 3003 | /* resources were already deleted */ |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3004 | TRACE_DEVEL("leaving (not more h1c)", H1_EV_H1C_WAKE); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 3005 | return NULL; |
| 3006 | } |
| 3007 | |
| 3008 | h1c->task = NULL; |
Christopher Faulet | c1c66a4 | 2020-09-29 15:30:15 +0200 | [diff] [blame] | 3009 | h1_release(h1c); |
| 3010 | TRACE_LEAVE(H1_EV_H1C_WAKE); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 3011 | return NULL; |
| 3012 | } |
| 3013 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3014 | /*******************************************/ |
| 3015 | /* functions below are used by the streams */ |
| 3016 | /*******************************************/ |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 3017 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3018 | /* |
| 3019 | * Attach a new stream to a connection |
| 3020 | * (Used for outgoing connections) |
| 3021 | */ |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 3022 | static struct conn_stream *h1_attach(struct connection *conn, struct session *sess) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3023 | { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 3024 | struct h1c *h1c = conn->ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3025 | struct conn_stream *cs = NULL; |
| 3026 | struct h1s *h1s; |
| 3027 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3028 | TRACE_ENTER(H1_EV_STRM_NEW, conn); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3029 | if (h1c->flags & H1C_F_ST_ERROR) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3030 | TRACE_ERROR("h1c on error", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, conn); |
| 3031 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3032 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3033 | |
Christopher Faulet | 236c93b | 2020-07-02 09:19:54 +0200 | [diff] [blame] | 3034 | cs = cs_new(h1c->conn, h1c->conn->target); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3035 | if (!cs) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3036 | TRACE_ERROR("CS allocation failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, conn); |
| 3037 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3038 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3039 | |
Christopher Faulet | 2f0ec66 | 2020-09-24 10:30:15 +0200 | [diff] [blame] | 3040 | h1s = h1c_bck_stream_new(h1c, cs, sess); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3041 | if (h1s == NULL) { |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3042 | TRACE_ERROR("h1s creation failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, conn); |
| 3043 | goto err; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3044 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3045 | |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 3046 | /* the connection is not idle anymore, let's mark this */ |
| 3047 | HA_ATOMIC_AND(&h1c->wait_event.tasklet->state, ~TASK_F_USR1); |
Willy Tarreau | 4f8cd43 | 2021-03-02 17:27:58 +0100 | [diff] [blame] | 3048 | xprt_set_used(conn, conn->xprt, conn->xprt_ctx); |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 3049 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3050 | TRACE_LEAVE(H1_EV_STRM_NEW, conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3051 | return cs; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3052 | err: |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3053 | cs_free(cs); |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3054 | TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3055 | return NULL; |
| 3056 | } |
| 3057 | |
| 3058 | /* Retrieves a valid conn_stream from this connection, or returns NULL. For |
| 3059 | * this mux, it's easy as we can only store a single conn_stream. |
| 3060 | */ |
| 3061 | static const struct conn_stream *h1_get_first_cs(const struct connection *conn) |
| 3062 | { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 3063 | struct h1c *h1c = conn->ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3064 | struct h1s *h1s = h1c->h1s; |
| 3065 | |
| 3066 | if (h1s) |
| 3067 | return h1s->cs; |
| 3068 | |
| 3069 | return NULL; |
| 3070 | } |
| 3071 | |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 3072 | static void h1_destroy(void *ctx) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3073 | { |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 3074 | struct h1c *h1c = ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3075 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3076 | TRACE_POINT(H1_EV_H1C_END, h1c->conn); |
Christopher Faulet | 39a96ee | 2019-04-08 10:52:21 +0200 | [diff] [blame] | 3077 | if (!h1c->h1s || !h1c->conn || h1c->conn->ctx != h1c) |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 3078 | h1_release(h1c); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3079 | } |
| 3080 | |
| 3081 | /* |
| 3082 | * Detach the stream from the connection and possibly release the connection. |
| 3083 | */ |
| 3084 | static void h1_detach(struct conn_stream *cs) |
| 3085 | { |
| 3086 | struct h1s *h1s = cs->ctx; |
| 3087 | struct h1c *h1c; |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 3088 | struct session *sess; |
Olivier Houchard | 8a78690 | 2018-12-15 16:05:40 +0100 | [diff] [blame] | 3089 | int is_not_first; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3090 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3091 | TRACE_ENTER(H1_EV_STRM_END, h1s ? h1s->h1c->conn : NULL, h1s); |
| 3092 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3093 | cs->ctx = NULL; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3094 | if (!h1s) { |
| 3095 | TRACE_LEAVE(H1_EV_STRM_END); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3096 | return; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3097 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3098 | |
Olivier Houchard | f502aca | 2018-12-14 19:42:40 +0100 | [diff] [blame] | 3099 | sess = h1s->sess; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3100 | h1c = h1s->h1c; |
| 3101 | h1s->cs = NULL; |
| 3102 | |
Christopher Faulet | 42849b0 | 2020-10-05 11:35:17 +0200 | [diff] [blame] | 3103 | sess->accept_date = date; |
| 3104 | sess->tv_accept = now; |
| 3105 | sess->t_handshake = 0; |
| 3106 | sess->t_idle = -1; |
| 3107 | |
Olivier Houchard | 8a78690 | 2018-12-15 16:05:40 +0100 | [diff] [blame] | 3108 | is_not_first = h1s->flags & H1S_F_NOT_FIRST; |
| 3109 | h1s_destroy(h1s); |
| 3110 | |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3111 | if ((h1c->flags & (H1C_F_IS_BACK|H1C_F_ST_IDLE)) == (H1C_F_IS_BACK|H1C_F_ST_IDLE)) { |
Christopher Faulet | f1204b8 | 2019-07-19 14:51:06 +0200 | [diff] [blame] | 3112 | /* If there are any excess server data in the input buffer, |
| 3113 | * release it and close the connection ASAP (some data may |
| 3114 | * remain in the output buffer). This happens if a server sends |
| 3115 | * invalid responses. So in such case, we don't want to reuse |
| 3116 | * the connection |
Christopher Faulet | 0362724 | 2019-07-19 11:34:08 +0200 | [diff] [blame] | 3117 | */ |
Christopher Faulet | f1204b8 | 2019-07-19 14:51:06 +0200 | [diff] [blame] | 3118 | if (b_data(&h1c->ibuf)) { |
| 3119 | h1_release_buf(h1c, &h1c->ibuf); |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3120 | h1c->flags = (h1c->flags & ~H1C_F_ST_IDLE) | H1C_F_ST_SHUTDOWN; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3121 | TRACE_DEVEL("remaining data on detach, kill connection", H1_EV_STRM_END|H1_EV_H1C_END); |
Christopher Faulet | f1204b8 | 2019-07-19 14:51:06 +0200 | [diff] [blame] | 3122 | goto release; |
| 3123 | } |
Christopher Faulet | 0362724 | 2019-07-19 11:34:08 +0200 | [diff] [blame] | 3124 | |
Christopher Faulet | 08016ab | 2020-07-01 16:10:06 +0200 | [diff] [blame] | 3125 | if (h1c->conn->flags & CO_FL_PRIVATE) { |
| 3126 | /* Add the connection in the session server list, if not already done */ |
Olivier Houchard | 351411f | 2018-12-27 17:20:54 +0100 | [diff] [blame] | 3127 | if (!session_add_conn(sess, h1c->conn, h1c->conn->target)) { |
| 3128 | h1c->conn->owner = NULL; |
Olivier Houchard | 2444aa5 | 2020-01-20 13:56:01 +0100 | [diff] [blame] | 3129 | h1c->conn->mux->destroy(h1c); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3130 | goto end; |
Olivier Houchard | 351411f | 2018-12-27 17:20:54 +0100 | [diff] [blame] | 3131 | } |
Christopher Faulet | 08016ab | 2020-07-01 16:10:06 +0200 | [diff] [blame] | 3132 | /* Always idle at this step */ |
Olivier Houchard | 2444aa5 | 2020-01-20 13:56:01 +0100 | [diff] [blame] | 3133 | if (session_check_idle_conn(sess, h1c->conn)) { |
Olivier Houchard | a4d4fdf | 2018-12-14 19:27:06 +0100 | [diff] [blame] | 3134 | /* The connection got destroyed, let's leave */ |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3135 | TRACE_DEVEL("outgoing connection killed", H1_EV_STRM_END|H1_EV_H1C_END); |
| 3136 | goto end; |
| 3137 | } |
Olivier Houchard | a4d4fdf | 2018-12-14 19:27:06 +0100 | [diff] [blame] | 3138 | } |
Christopher Faulet | 08016ab | 2020-07-01 16:10:06 +0200 | [diff] [blame] | 3139 | else { |
Olivier Houchard | 2444aa5 | 2020-01-20 13:56:01 +0100 | [diff] [blame] | 3140 | if (h1c->conn->owner == sess) |
| 3141 | h1c->conn->owner = NULL; |
Willy Tarreau | e388f2f | 2021-03-02 16:51:09 +0100 | [diff] [blame] | 3142 | |
| 3143 | /* mark that the tasklet may lose its context to another thread and |
| 3144 | * that the handler needs to check it under the idle conns lock. |
| 3145 | */ |
| 3146 | HA_ATOMIC_OR(&h1c->wait_event.tasklet->state, TASK_F_USR1); |
Olivier Houchard | 3c49c1b | 2020-03-22 19:56:03 +0100 | [diff] [blame] | 3147 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
Willy Tarreau | 4f8cd43 | 2021-03-02 17:27:58 +0100 | [diff] [blame] | 3148 | xprt_set_idle(h1c->conn, h1c->conn->xprt, h1c->conn->xprt_ctx); |
| 3149 | |
Olivier Houchard | dc2f275 | 2020-02-13 19:12:07 +0100 | [diff] [blame] | 3150 | if (!srv_add_to_idle_list(objt_server(h1c->conn->target), h1c->conn, is_not_first)) { |
Olivier Houchard | 2444aa5 | 2020-01-20 13:56:01 +0100 | [diff] [blame] | 3151 | /* The server doesn't want it, let's kill the connection right away */ |
| 3152 | h1c->conn->mux->destroy(h1c); |
| 3153 | TRACE_DEVEL("outgoing connection killed", H1_EV_STRM_END|H1_EV_H1C_END); |
| 3154 | goto end; |
Christopher Faulet | 9400a39 | 2018-11-23 23:10:39 +0100 | [diff] [blame] | 3155 | } |
Olivier Houchard | 199d4fa | 2020-03-22 23:25:51 +0100 | [diff] [blame] | 3156 | /* At this point, the connection has been added to the |
| 3157 | * server idle list, so another thread may already have |
| 3158 | * hijacked it, so we can't do anything with it. |
| 3159 | */ |
Olivier Houchard | 2444aa5 | 2020-01-20 13:56:01 +0100 | [diff] [blame] | 3160 | return; |
Christopher Faulet | 9400a39 | 2018-11-23 23:10:39 +0100 | [diff] [blame] | 3161 | } |
| 3162 | } |
| 3163 | |
Christopher Faulet | f1204b8 | 2019-07-19 14:51:06 +0200 | [diff] [blame] | 3164 | release: |
Christopher Faulet | 3ac0f43 | 2019-06-28 17:41:42 +0200 | [diff] [blame] | 3165 | /* We don't want to close right now unless the connection is in error or shut down for writes */ |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3166 | if ((h1c->flags & H1C_F_ST_ERROR) || |
Christopher Faulet | 37243bc | 2019-07-11 15:40:25 +0200 | [diff] [blame] | 3167 | (h1c->conn->flags & (CO_FL_ERROR|CO_FL_SOCK_WR_SH)) || |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3168 | ((h1c->flags & H1C_F_ST_SHUTDOWN) && !b_data(&h1c->obuf)) || |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3169 | !h1c->conn->owner) { |
| 3170 | TRACE_DEVEL("killing dead connection", H1_EV_STRM_END, h1c->conn); |
Christopher Faulet | 73c1207 | 2019-04-08 11:23:22 +0200 | [diff] [blame] | 3171 | h1_release(h1c); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3172 | } |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 3173 | else { |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3174 | if (h1c->flags & H1C_F_ST_IDLE) { |
Christopher Faulet | 5d3c93c | 2020-10-05 17:14:28 +0200 | [diff] [blame] | 3175 | /* If we have a new request, process it immediately or |
| 3176 | * subscribe for reads waiting for new data |
| 3177 | */ |
Christopher Faulet | 0c366a8 | 2020-12-18 15:13:47 +0100 | [diff] [blame] | 3178 | if (unlikely(b_data(&h1c->ibuf))) { |
| 3179 | if (h1_process(h1c) == -1) |
| 3180 | goto end; |
| 3181 | } |
Christopher Faulet | 5d3c93c | 2020-10-05 17:14:28 +0200 | [diff] [blame] | 3182 | else |
| 3183 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
| 3184 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 3185 | h1_set_idle_expiration(h1c); |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 3186 | h1_refresh_timeout(h1c); |
Christopher Faulet | b8093cf | 2019-01-03 16:27:28 +0100 | [diff] [blame] | 3187 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3188 | end: |
| 3189 | TRACE_LEAVE(H1_EV_STRM_END); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3190 | } |
| 3191 | |
| 3192 | |
| 3193 | static void h1_shutr(struct conn_stream *cs, enum cs_shr_mode mode) |
| 3194 | { |
| 3195 | struct h1s *h1s = cs->ctx; |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3196 | struct h1c *h1c; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3197 | |
| 3198 | if (!h1s) |
| 3199 | return; |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3200 | h1c = h1s->h1c; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3201 | |
Christopher Faulet | ea62e18 | 2021-11-10 10:30:15 +0100 | [diff] [blame] | 3202 | TRACE_ENTER(H1_EV_STRM_SHUT, h1c->conn, h1s, 0, (size_t[]){mode}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3203 | |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 3204 | if (cs->flags & CS_FL_SHR) |
| 3205 | goto end; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3206 | if (cs->flags & CS_FL_KILL_CONN) { |
| 3207 | TRACE_STATE("stream wants to kill the connection", H1_EV_STRM_SHUT, h1c->conn, h1s); |
| 3208 | goto do_shutr; |
| 3209 | } |
| 3210 | if (h1c->conn->flags & (CO_FL_ERROR | CO_FL_SOCK_RD_SH | CO_FL_SOCK_WR_SH)) { |
| 3211 | TRACE_STATE("shutdown on connection (error|rd_sh|wr_sh)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3212 | goto do_shutr; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3213 | } |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3214 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 3215 | if (!(h1c->flags & (H1C_F_ST_READY|H1C_F_ST_ERROR))) { |
| 3216 | /* Here attached is implicit because there is CS */ |
| 3217 | TRACE_STATE("keep connection alive (ALIVE but not READY nor ERROR)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
| 3218 | goto end; |
| 3219 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 3220 | if (h1s->flags & H1S_F_WANT_KAL) { |
| 3221 | TRACE_STATE("keep connection alive (want_kal)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3222 | goto end; |
| 3223 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 3224 | |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3225 | do_shutr: |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3226 | /* NOTE: Be sure to handle abort (cf. h2_shutr) */ |
| 3227 | if (cs->flags & CS_FL_SHR) |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3228 | goto end; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3229 | if (conn_xprt_ready(cs->conn) && cs->conn->xprt->shutr) |
Olivier Houchard | e179d0e | 2019-03-21 18:27:17 +0100 | [diff] [blame] | 3230 | cs->conn->xprt->shutr(cs->conn, cs->conn->xprt_ctx, |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3231 | (mode == CS_SHR_DRAIN)); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3232 | end: |
| 3233 | TRACE_LEAVE(H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3234 | } |
| 3235 | |
| 3236 | static void h1_shutw(struct conn_stream *cs, enum cs_shw_mode mode) |
| 3237 | { |
| 3238 | struct h1s *h1s = cs->ctx; |
| 3239 | struct h1c *h1c; |
| 3240 | |
| 3241 | if (!h1s) |
| 3242 | return; |
| 3243 | h1c = h1s->h1c; |
| 3244 | |
Christopher Faulet | ea62e18 | 2021-11-10 10:30:15 +0100 | [diff] [blame] | 3245 | TRACE_ENTER(H1_EV_STRM_SHUT, h1c->conn, h1s, 0, (size_t[]){mode}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3246 | |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 3247 | if (cs->flags & CS_FL_SHW) |
| 3248 | goto end; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3249 | if (cs->flags & CS_FL_KILL_CONN) { |
| 3250 | TRACE_STATE("stream wants to kill the connection", H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3251 | goto do_shutw; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3252 | } |
| 3253 | if (h1c->conn->flags & (CO_FL_ERROR | CO_FL_SOCK_RD_SH | CO_FL_SOCK_WR_SH)) { |
| 3254 | TRACE_STATE("shutdown on connection (error|rd_sh|wr_sh)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
| 3255 | goto do_shutw; |
| 3256 | } |
Olivier Houchard | d2e88c7 | 2018-12-19 15:55:23 +0100 | [diff] [blame] | 3257 | |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 3258 | if (!(h1c->flags & (H1C_F_ST_READY|H1C_F_ST_ERROR))) { |
| 3259 | /* Here attached is implicit because there is CS */ |
| 3260 | TRACE_STATE("keep connection alive (ALIVE but not READY nor ERROR)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
| 3261 | goto end; |
| 3262 | } |
Christopher Faulet | c4bfa59 | 2020-10-06 17:45:34 +0200 | [diff] [blame] | 3263 | if (((h1s->flags & H1S_F_WANT_KAL) && h1s->req.state == H1_MSG_DONE && h1s->res.state == H1_MSG_DONE)) { |
| 3264 | TRACE_STATE("keep connection alive (want_kal)", H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3265 | goto end; |
| 3266 | } |
Christopher Faulet | f2824e6 | 2018-10-01 12:12:37 +0200 | [diff] [blame] | 3267 | |
Christopher Faulet | 7f36636 | 2019-04-08 10:51:20 +0200 | [diff] [blame] | 3268 | do_shutw: |
Christopher Faulet | 3ced1d1 | 2020-11-27 16:44:01 +0100 | [diff] [blame] | 3269 | h1c->flags |= H1C_F_ST_SHUTDOWN; |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 3270 | if (mode != CS_SHW_NORMAL) |
| 3271 | h1c->flags |= H1C_F_ST_SILENT_SHUT; |
| 3272 | |
Christopher Faulet | 3c82d8b | 2020-10-05 17:11:16 +0200 | [diff] [blame] | 3273 | if (!b_data(&h1c->obuf)) |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 3274 | h1_shutw_conn(cs->conn); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3275 | end: |
| 3276 | TRACE_LEAVE(H1_EV_STRM_SHUT, h1c->conn, h1s); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3277 | } |
| 3278 | |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 3279 | static void h1_shutw_conn(struct connection *conn) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3280 | { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 3281 | struct h1c *h1c = conn->ctx; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3282 | |
Willy Tarreau | 62592ad | 2021-03-26 09:09:42 +0100 | [diff] [blame] | 3283 | if (conn->flags & CO_FL_SOCK_WR_SH) |
| 3284 | return; |
| 3285 | |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 3286 | TRACE_ENTER(H1_EV_H1C_END, conn); |
Christopher Faulet | 666a0c4 | 2019-01-08 11:12:04 +0100 | [diff] [blame] | 3287 | conn_xprt_shutw(conn); |
Christopher Faulet | db451fb | 2021-10-27 15:36:38 +0200 | [diff] [blame] | 3288 | conn_sock_shutw(conn, (h1c && !(h1c->flags & H1C_F_ST_SILENT_SHUT))); |
| 3289 | TRACE_LEAVE(H1_EV_H1C_END, conn); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3290 | } |
| 3291 | |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3292 | /* Called from the upper layer, to unsubscribe <es> from events <event_type> |
| 3293 | * The <es> pointer is not allowed to differ from the one passed to the |
| 3294 | * subscribe() call. It always returns zero. |
| 3295 | */ |
| 3296 | static int h1_unsubscribe(struct conn_stream *cs, int event_type, struct wait_event *es) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3297 | { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3298 | struct h1s *h1s = cs->ctx; |
| 3299 | |
| 3300 | if (!h1s) |
| 3301 | return 0; |
| 3302 | |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3303 | BUG_ON(event_type & ~(SUB_RETRY_SEND|SUB_RETRY_RECV)); |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3304 | BUG_ON(h1s->subs && h1s->subs != es); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3305 | |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3306 | es->events &= ~event_type; |
| 3307 | if (!es->events) |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3308 | h1s->subs = NULL; |
| 3309 | |
| 3310 | if (event_type & SUB_RETRY_RECV) |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3311 | TRACE_DEVEL("unsubscribe(recv)", H1_EV_STRM_RECV, h1s->h1c->conn, h1s); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3312 | |
| 3313 | if (event_type & SUB_RETRY_SEND) |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3314 | TRACE_DEVEL("unsubscribe(send)", H1_EV_STRM_SEND, h1s->h1c->conn, h1s); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3315 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3316 | return 0; |
| 3317 | } |
| 3318 | |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3319 | /* Called from the upper layer, to subscribe <es> to events <event_type>. The |
| 3320 | * event subscriber <es> is not allowed to change from a previous call as long |
| 3321 | * as at least one event is still subscribed. The <event_type> must only be a |
| 3322 | * combination of SUB_RETRY_RECV and SUB_RETRY_SEND. It always returns 0, unless |
| 3323 | * the conn_stream <cs> was already detached, in which case it will return -1. |
| 3324 | */ |
| 3325 | static int h1_subscribe(struct conn_stream *cs, int event_type, struct wait_event *es) |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3326 | { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3327 | struct h1s *h1s = cs->ctx; |
Christopher Faulet | 51bb185 | 2019-09-04 10:22:34 +0200 | [diff] [blame] | 3328 | struct h1c *h1c; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3329 | |
| 3330 | if (!h1s) |
| 3331 | return -1; |
| 3332 | |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3333 | BUG_ON(event_type & ~(SUB_RETRY_SEND|SUB_RETRY_RECV)); |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3334 | BUG_ON(h1s->subs && h1s->subs != es); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3335 | |
Willy Tarreau | ee1a6fc | 2020-01-17 07:52:13 +0100 | [diff] [blame] | 3336 | es->events |= event_type; |
| 3337 | h1s->subs = es; |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3338 | |
| 3339 | if (event_type & SUB_RETRY_RECV) |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3340 | TRACE_DEVEL("subscribe(recv)", H1_EV_STRM_RECV, h1s->h1c->conn, h1s); |
Willy Tarreau | 1b0d4d1 | 2020-01-16 11:03:19 +0100 | [diff] [blame] | 3341 | |
| 3342 | |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3343 | if (event_type & SUB_RETRY_SEND) { |
| 3344 | TRACE_DEVEL("subscribe(send)", H1_EV_STRM_SEND, h1s->h1c->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3345 | /* |
| 3346 | * If the conn_stream attempt to subscribe, and the |
| 3347 | * mux isn't subscribed to the connection, then it |
| 3348 | * probably means the connection wasn't established |
| 3349 | * yet, so we have to subscribe. |
| 3350 | */ |
| 3351 | h1c = h1s->h1c; |
| 3352 | if (!(h1c->wait_event.events & SUB_RETRY_SEND)) |
| 3353 | h1c->conn->xprt->subscribe(h1c->conn, |
| 3354 | h1c->conn->xprt_ctx, |
| 3355 | SUB_RETRY_SEND, |
| 3356 | &h1c->wait_event); |
| 3357 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3358 | return 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3359 | } |
| 3360 | |
Christopher Faulet | 93a466b | 2021-09-21 15:50:55 +0200 | [diff] [blame] | 3361 | /* Called from the upper layer, to receive data. |
| 3362 | * |
| 3363 | * The caller is responsible for defragmenting <buf> if necessary. But <flags> |
| 3364 | * must be tested to know the calling context. If CO_RFL_BUF_FLUSH is set, it |
| 3365 | * means the caller wants to flush input data (from the mux buffer and the |
| 3366 | * channel buffer) to be able to use kernel splicing or any kind of mux-to-mux |
| 3367 | * xfer. If CO_RFL_KEEP_RECV is set, the mux must always subscribe for read |
| 3368 | * events before giving back. CO_RFL_BUF_WET is set if <buf> is congested with |
| 3369 | * data scheduled for leaving soon. CO_RFL_BUF_NOT_STUCK is set to instruct the |
| 3370 | * mux it may optimize the data copy to <buf> if necessary. Otherwise, it should |
| 3371 | * copy as much data as possible. |
| 3372 | */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3373 | static size_t h1_rcv_buf(struct conn_stream *cs, struct buffer *buf, size_t count, int flags) |
| 3374 | { |
| 3375 | struct h1s *h1s = cs->ctx; |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 3376 | struct h1c *h1c = h1s->h1c; |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3377 | struct h1m *h1m = (!(h1c->flags & H1C_F_IS_BACK) ? &h1s->req : &h1s->res); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3378 | size_t ret = 0; |
| 3379 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3380 | TRACE_ENTER(H1_EV_STRM_RECV, h1c->conn, h1s, 0, (size_t[]){count}); |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 3381 | |
| 3382 | /* Do nothing for now if not READY */ |
| 3383 | if (!(h1c->flags & H1C_F_ST_READY)) { |
| 3384 | TRACE_DEVEL("h1c not ready yet", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
| 3385 | goto end; |
| 3386 | } |
| 3387 | |
Christopher Faulet | 539e029 | 2018-11-19 10:40:09 +0100 | [diff] [blame] | 3388 | if (!(h1c->flags & H1C_F_IN_ALLOC)) |
Christopher Faulet | 30db3d7 | 2019-05-17 15:35:33 +0200 | [diff] [blame] | 3389 | ret = h1_process_input(h1c, buf, count); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3390 | else |
| 3391 | TRACE_DEVEL("h1c ibuf not allocated", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn); |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3392 | |
Christopher Faulet | 2b861bf | 2021-04-06 17:24:39 +0200 | [diff] [blame] | 3393 | if ((flags & CO_RFL_BUF_FLUSH) && (cs->flags & CS_FL_MAY_SPLICE)) { |
| 3394 | h1c->flags |= H1C_F_WANT_SPLICE; |
| 3395 | TRACE_STATE("Block xprt rcv_buf to flush stream's buffer (want_splice)", H1_EV_STRM_RECV, h1c->conn, h1s); |
Christopher Faulet | e18777b | 2019-04-16 16:46:36 +0200 | [diff] [blame] | 3396 | } |
Olivier Houchard | 02bac85 | 2019-08-22 18:34:25 +0200 | [diff] [blame] | 3397 | else { |
Christopher Faulet | 1baef15 | 2021-04-08 18:42:59 +0200 | [diff] [blame] | 3398 | if (((flags & CO_RFL_KEEP_RECV) || (h1m->state != H1_MSG_DONE)) && !(h1c->wait_event.events & SUB_RETRY_RECV)) |
Willy Tarreau | 2c1f37d | 2020-03-04 17:50:02 +0100 | [diff] [blame] | 3399 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3400 | } |
Christopher Faulet | 39c7b6b | 2021-01-21 17:44:35 +0100 | [diff] [blame] | 3401 | |
| 3402 | end: |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3403 | TRACE_LEAVE(H1_EV_STRM_RECV, h1c->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3404 | return ret; |
| 3405 | } |
| 3406 | |
| 3407 | |
| 3408 | /* Called from the upper layer, to send data */ |
| 3409 | static size_t h1_snd_buf(struct conn_stream *cs, struct buffer *buf, size_t count, int flags) |
| 3410 | { |
| 3411 | struct h1s *h1s = cs->ctx; |
| 3412 | struct h1c *h1c; |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3413 | size_t total = 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3414 | |
| 3415 | if (!h1s) |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3416 | return 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3417 | h1c = h1s->h1c; |
Olivier Houchard | 305d5ab | 2019-07-24 18:07:06 +0200 | [diff] [blame] | 3418 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3419 | TRACE_ENTER(H1_EV_STRM_SEND, h1c->conn, h1s, 0, (size_t[]){count}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3420 | |
Olivier Houchard | 305d5ab | 2019-07-24 18:07:06 +0200 | [diff] [blame] | 3421 | /* If we're not connected yet, or we're waiting for a handshake, stop |
| 3422 | * now, as we don't want to remove everything from the channel buffer |
| 3423 | * before we're sure we can send it. |
| 3424 | */ |
Willy Tarreau | 911db9b | 2020-01-23 16:27:54 +0100 | [diff] [blame] | 3425 | if (h1c->conn->flags & CO_FL_WAIT_XPRT) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3426 | TRACE_LEAVE(H1_EV_STRM_SEND, h1c->conn, h1s); |
Christopher Faulet | 3b88b8d | 2018-10-26 17:36:03 +0200 | [diff] [blame] | 3427 | return 0; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3428 | } |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3429 | |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 3430 | if (h1c->flags & H1C_F_ST_ERROR) { |
| 3431 | cs->flags |= CS_FL_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3432 | TRACE_ERROR("H1C on error, leaving in error", H1_EV_STRM_SEND|H1_EV_H1C_ERR|H1_EV_H1S_ERR|H1_EV_STRM_ERR, h1c->conn, h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 3433 | return 0; |
| 3434 | } |
| 3435 | |
Christopher Faulet | 4623036 | 2019-10-17 16:04:20 +0200 | [diff] [blame] | 3436 | /* Inherit some flags from the upper layer */ |
| 3437 | h1c->flags &= ~(H1C_F_CO_MSG_MORE|H1C_F_CO_STREAMER); |
| 3438 | if (flags & CO_SFL_MSG_MORE) |
| 3439 | h1c->flags |= H1C_F_CO_MSG_MORE; |
| 3440 | if (flags & CO_SFL_STREAMER) |
| 3441 | h1c->flags |= H1C_F_CO_STREAMER; |
| 3442 | |
Christopher Faulet | c31872f | 2019-06-04 22:09:36 +0200 | [diff] [blame] | 3443 | while (count) { |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3444 | size_t ret = 0; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3445 | |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3446 | if (!(h1c->flags & (H1C_F_OUT_FULL|H1C_F_OUT_ALLOC))) |
| 3447 | ret = h1_process_output(h1c, buf, count); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3448 | else |
| 3449 | TRACE_DEVEL("h1c obuf not allocated", H1_EV_STRM_SEND|H1_EV_H1S_BLK, h1c->conn, h1s); |
Olivier Houchard | c89a42f | 2020-06-19 16:15:05 +0200 | [diff] [blame] | 3450 | |
| 3451 | if ((count - ret) > 0) |
| 3452 | h1c->flags |= H1C_F_CO_MSG_MORE; |
| 3453 | |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3454 | if (!ret) |
| 3455 | break; |
| 3456 | total += ret; |
Christopher Faulet | c31872f | 2019-06-04 22:09:36 +0200 | [diff] [blame] | 3457 | count -= ret; |
Olivier Houchard | 68787ef | 2020-01-15 19:13:32 +0100 | [diff] [blame] | 3458 | if ((h1c->wait_event.events & SUB_RETRY_SEND) || !h1_send(h1c)) |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3459 | break; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3460 | } |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 3461 | |
| 3462 | if (h1c->flags & H1C_F_ST_ERROR) { |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 3463 | cs->flags |= CS_FL_ERROR; |
Christopher Faulet | 26a2643 | 2021-01-27 11:27:50 +0100 | [diff] [blame] | 3464 | TRACE_ERROR("reporting error to the app-layer stream", H1_EV_STRM_SEND|H1_EV_H1S_ERR|H1_EV_STRM_ERR, h1c->conn, h1s); |
Christopher Faulet | dea2474 | 2021-01-22 15:12:30 +0100 | [diff] [blame] | 3465 | } |
| 3466 | |
Christopher Faulet | 7a145d6 | 2020-08-05 11:31:16 +0200 | [diff] [blame] | 3467 | h1_refresh_timeout(h1c); |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3468 | TRACE_LEAVE(H1_EV_STRM_SEND, h1c->conn, h1s, 0, (size_t[]){total}); |
Christopher Faulet | 5d37dac | 2018-11-22 10:58:42 +0100 | [diff] [blame] | 3469 | return total; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3470 | } |
| 3471 | |
Willy Tarreau | e573323 | 2019-05-22 19:24:06 +0200 | [diff] [blame] | 3472 | #if defined(USE_LINUX_SPLICE) |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3473 | /* Send and get, using splicing */ |
| 3474 | static int h1_rcv_pipe(struct conn_stream *cs, struct pipe *pipe, unsigned int count) |
| 3475 | { |
| 3476 | struct h1s *h1s = cs->ctx; |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3477 | struct h1c *h1c = h1s->h1c; |
| 3478 | struct h1m *h1m = (!(h1c->flags & H1C_F_IS_BACK) ? &h1s->req : &h1s->res); |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3479 | int ret = 0; |
| 3480 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3481 | TRACE_ENTER(H1_EV_STRM_RECV, cs->conn, h1s, 0, (size_t[]){count}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3482 | |
Christopher Faulet | 9fa40c4 | 2019-11-05 16:24:27 +0100 | [diff] [blame] | 3483 | if ((h1m->flags & H1_MF_CHNK) || (h1m->state != H1_MSG_DATA && h1m->state != H1_MSG_TUNNEL)) { |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3484 | h1c->flags &= ~H1C_F_WANT_SPLICE; |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 3485 | TRACE_STATE("Allow xprt rcv_buf on !(msg_data|msg_tunnel)", H1_EV_STRM_RECV, cs->conn, h1s); |
Christopher Faulet | e18777b | 2019-04-16 16:46:36 +0200 | [diff] [blame] | 3486 | goto end; |
| 3487 | } |
| 3488 | |
Christopher Faulet | 0b34e51 | 2021-07-26 10:49:39 +0200 | [diff] [blame] | 3489 | h1c->flags |= H1C_F_WANT_SPLICE; |
Willy Tarreau | fbdf90a | 2019-06-03 13:42:54 +0200 | [diff] [blame] | 3490 | if (h1s_data_pending(h1s)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3491 | TRACE_STATE("flush input buffer before splicing", H1_EV_STRM_RECV, cs->conn, h1s); |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3492 | goto end; |
Christopher Faulet | d44ad5b | 2018-11-19 21:52:12 +0100 | [diff] [blame] | 3493 | } |
| 3494 | |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3495 | if (!h1_recv_allowed(h1c)) { |
Christopher Faulet | 0060be9 | 2020-07-03 15:02:25 +0200 | [diff] [blame] | 3496 | TRACE_DEVEL("leaving on !recv_allowed", H1_EV_STRM_RECV, cs->conn, h1s); |
| 3497 | goto end; |
| 3498 | } |
| 3499 | |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3500 | if (h1m->state == H1_MSG_DATA && count > h1m->curr_len) |
| 3501 | count = h1m->curr_len; |
Olivier Houchard | e179d0e | 2019-03-21 18:27:17 +0100 | [diff] [blame] | 3502 | ret = cs->conn->xprt->rcv_pipe(cs->conn, cs->conn->xprt_ctx, pipe, count); |
Christopher Faulet | 1146f97 | 2019-05-29 14:35:24 +0200 | [diff] [blame] | 3503 | if (h1m->state == H1_MSG_DATA && ret >= 0) { |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3504 | h1m->curr_len -= ret; |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3505 | if (!h1m->curr_len) { |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3506 | h1c->flags &= ~H1C_F_WANT_SPLICE; |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 3507 | TRACE_STATE("Allow xprt rcv_buf on !curr_len", H1_EV_STRM_RECV, cs->conn, h1s); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3508 | } |
Christopher Faulet | e18777b | 2019-04-16 16:46:36 +0200 | [diff] [blame] | 3509 | } |
| 3510 | |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3511 | end: |
Christopher Faulet | 038ad81 | 2019-04-17 11:03:22 +0200 | [diff] [blame] | 3512 | if (conn_xprt_read0_pending(cs->conn)) { |
Willy Tarreau | c493c9c | 2019-06-03 14:18:22 +0200 | [diff] [blame] | 3513 | h1s->flags |= H1S_F_REOS; |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3514 | h1c->flags &= ~H1C_F_WANT_SPLICE; |
Christopher Faulet | ae63576 | 2020-09-21 11:47:16 +0200 | [diff] [blame] | 3515 | TRACE_STATE("Allow xprt rcv_buf on read0", H1_EV_STRM_RECV, cs->conn, h1s); |
Christopher Faulet | 038ad81 | 2019-04-17 11:03:22 +0200 | [diff] [blame] | 3516 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3517 | |
Christopher Faulet | 94d3510 | 2021-04-09 11:58:49 +0200 | [diff] [blame] | 3518 | if (!(h1c->flags & H1C_F_WANT_SPLICE)) { |
Christopher Faulet | 0a799aa | 2020-09-24 09:52:52 +0200 | [diff] [blame] | 3519 | TRACE_STATE("notify the mux can't use splicing anymore", H1_EV_STRM_RECV, h1c->conn, h1s); |
Willy Tarreau | 17ccd1a | 2020-01-17 16:19:34 +0100 | [diff] [blame] | 3520 | cs->flags &= ~CS_FL_MAY_SPLICE; |
Christopher Faulet | 94d3510 | 2021-04-09 11:58:49 +0200 | [diff] [blame] | 3521 | if (!(h1c->wait_event.events & SUB_RETRY_RECV)) { |
| 3522 | TRACE_STATE("restart receiving data, subscribing", H1_EV_STRM_RECV, cs->conn, h1s); |
| 3523 | cs->conn->xprt->subscribe(cs->conn, cs->conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event); |
| 3524 | } |
Christopher Faulet | 2718229 | 2020-07-03 15:08:49 +0200 | [diff] [blame] | 3525 | } |
Willy Tarreau | 17ccd1a | 2020-01-17 16:19:34 +0100 | [diff] [blame] | 3526 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3527 | TRACE_LEAVE(H1_EV_STRM_RECV, cs->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3528 | return ret; |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3529 | } |
| 3530 | |
| 3531 | static int h1_snd_pipe(struct conn_stream *cs, struct pipe *pipe) |
| 3532 | { |
| 3533 | struct h1s *h1s = cs->ctx; |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3534 | int ret = 0; |
| 3535 | |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3536 | TRACE_ENTER(H1_EV_STRM_SEND, cs->conn, h1s, 0, (size_t[]){pipe->data}); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3537 | |
Christopher Faulet | 8454f2d | 2021-04-06 17:27:32 +0200 | [diff] [blame] | 3538 | if (b_data(&h1s->h1c->obuf)) { |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3539 | if (!(h1s->h1c->wait_event.events & SUB_RETRY_SEND)) { |
| 3540 | TRACE_STATE("more data to send, subscribing", H1_EV_STRM_SEND, cs->conn, h1s); |
Olivier Houchard | e179d0e | 2019-03-21 18:27:17 +0100 | [diff] [blame] | 3541 | cs->conn->xprt->subscribe(cs->conn, cs->conn->xprt_ctx, SUB_RETRY_SEND, &h1s->h1c->wait_event); |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3542 | } |
Christopher Faulet | 8454f2d | 2021-04-06 17:27:32 +0200 | [diff] [blame] | 3543 | goto end; |
Christopher Faulet | d44ad5b | 2018-11-19 21:52:12 +0100 | [diff] [blame] | 3544 | } |
Christopher Faulet | 6b81df7 | 2019-10-01 22:08:43 +0200 | [diff] [blame] | 3545 | |
Christopher Faulet | 8454f2d | 2021-04-06 17:27:32 +0200 | [diff] [blame] | 3546 | ret = cs->conn->xprt->snd_pipe(cs->conn, cs->conn->xprt_ctx, pipe); |
| 3547 | |
| 3548 | end: |
Willy Tarreau | 022e5e5 | 2020-09-10 09:33:15 +0200 | [diff] [blame] | 3549 | TRACE_LEAVE(H1_EV_STRM_SEND, cs->conn, h1s, 0, (size_t[]){ret}); |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3550 | return ret; |
| 3551 | } |
| 3552 | #endif |
| 3553 | |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3554 | static int h1_ctl(struct connection *conn, enum mux_ctl_type mux_ctl, void *output) |
| 3555 | { |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 3556 | const struct h1c *h1c = conn->ctx; |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3557 | int ret = 0; |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 3558 | |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3559 | switch (mux_ctl) { |
| 3560 | case MUX_STATUS: |
Willy Tarreau | 911db9b | 2020-01-23 16:27:54 +0100 | [diff] [blame] | 3561 | if (!(conn->flags & CO_FL_WAIT_XPRT)) |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3562 | ret |= MUX_STATUS_READY; |
| 3563 | return ret; |
Christopher Faulet | 4c8ad84 | 2020-10-06 14:59:17 +0200 | [diff] [blame] | 3564 | case MUX_EXIT_STATUS: |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 3565 | ret = (h1c->errcode == 400 ? MUX_ES_INVALID_ERR : |
| 3566 | (h1c->errcode == 408 ? MUX_ES_TOUT_ERR : |
Christopher Faulet | 2eed800 | 2020-12-07 11:26:13 +0100 | [diff] [blame] | 3567 | (h1c->errcode == 501 ? MUX_ES_NOTIMPL_ERR : |
| 3568 | (h1c->errcode == 500 ? MUX_ES_INTERNAL_ERR : |
| 3569 | MUX_ES_SUCCESS)))); |
Christopher Faulet | c18fc23 | 2020-10-06 17:41:36 +0200 | [diff] [blame] | 3570 | return ret; |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3571 | default: |
| 3572 | return -1; |
| 3573 | } |
| 3574 | } |
| 3575 | |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3576 | /* for debugging with CLI's "show fd" command */ |
Willy Tarreau | 8050efe | 2021-01-21 08:26:06 +0100 | [diff] [blame] | 3577 | static int h1_show_fd(struct buffer *msg, struct connection *conn) |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3578 | { |
| 3579 | struct h1c *h1c = conn->ctx; |
| 3580 | struct h1s *h1s = h1c->h1s; |
Willy Tarreau | 0c0c0a2 | 2021-01-21 09:13:35 +0100 | [diff] [blame] | 3581 | int ret = 0; |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3582 | |
Christopher Faulet | f376a31 | 2019-01-04 15:16:06 +0100 | [diff] [blame] | 3583 | chunk_appendf(msg, " h1c.flg=0x%x .sub=%d .ibuf=%u@%p+%u/%u .obuf=%u@%p+%u/%u", |
| 3584 | h1c->flags, h1c->wait_event.events, |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3585 | (unsigned int)b_data(&h1c->ibuf), b_orig(&h1c->ibuf), |
| 3586 | (unsigned int)b_head_ofs(&h1c->ibuf), (unsigned int)b_size(&h1c->ibuf), |
| 3587 | (unsigned int)b_data(&h1c->obuf), b_orig(&h1c->obuf), |
| 3588 | (unsigned int)b_head_ofs(&h1c->obuf), (unsigned int)b_size(&h1c->obuf)); |
| 3589 | |
| 3590 | if (h1s) { |
| 3591 | char *method; |
| 3592 | |
| 3593 | if (h1s->meth < HTTP_METH_OTHER) |
| 3594 | method = http_known_methods[h1s->meth].ptr; |
| 3595 | else |
| 3596 | method = "UNKNOWN"; |
| 3597 | chunk_appendf(msg, " h1s=%p h1s.flg=0x%x .req.state=%s .res.state=%s" |
| 3598 | " .meth=%s status=%d", |
| 3599 | h1s, h1s->flags, |
| 3600 | h1m_state_str(h1s->req.state), |
| 3601 | h1m_state_str(h1s->res.state), method, h1s->status); |
| 3602 | if (h1s->cs) |
| 3603 | chunk_appendf(msg, " .cs.flg=0x%08x .cs.data=%p", |
| 3604 | h1s->cs->flags, h1s->cs->data); |
Willy Tarreau | 150c4f8 | 2021-01-20 17:05:58 +0100 | [diff] [blame] | 3605 | |
| 3606 | chunk_appendf(&trash, " .subs=%p", h1s->subs); |
| 3607 | if (h1s->subs) { |
Christopher Faulet | 6c93c4e | 2021-02-25 10:06:29 +0100 | [diff] [blame] | 3608 | chunk_appendf(&trash, "(ev=%d tl=%p", h1s->subs->events, h1s->subs->tasklet); |
| 3609 | chunk_appendf(&trash, " tl.calls=%d tl.ctx=%p tl.fct=", |
| 3610 | h1s->subs->tasklet->calls, |
| 3611 | h1s->subs->tasklet->context); |
| 3612 | if (h1s->subs->tasklet->calls >= 1000000) |
| 3613 | ret = 1; |
| 3614 | resolve_sym_name(&trash, NULL, h1s->subs->tasklet->process); |
| 3615 | chunk_appendf(&trash, ")"); |
Willy Tarreau | 150c4f8 | 2021-01-20 17:05:58 +0100 | [diff] [blame] | 3616 | } |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3617 | } |
Willy Tarreau | 0c0c0a2 | 2021-01-21 09:13:35 +0100 | [diff] [blame] | 3618 | return ret; |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3619 | } |
| 3620 | |
| 3621 | |
| 3622 | /* Add an entry in the headers map. Returns -1 on error and 0 on success. */ |
| 3623 | static int add_hdr_case_adjust(const char *from, const char *to, char **err) |
| 3624 | { |
| 3625 | struct h1_hdr_entry *entry; |
| 3626 | |
| 3627 | /* Be sure there is a non-empty <to> */ |
| 3628 | if (!strlen(to)) { |
| 3629 | memprintf(err, "expect <to>"); |
| 3630 | return -1; |
| 3631 | } |
| 3632 | |
| 3633 | /* Be sure only the case differs between <from> and <to> */ |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 3634 | if (strcasecmp(from, to) != 0) { |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3635 | memprintf(err, "<from> and <to> must not differ execpt the case"); |
| 3636 | return -1; |
| 3637 | } |
| 3638 | |
| 3639 | /* Be sure <from> does not already existsin the tree */ |
| 3640 | if (ebis_lookup(&hdrs_map.map, from)) { |
| 3641 | memprintf(err, "duplicate entry '%s'", from); |
| 3642 | return -1; |
| 3643 | } |
| 3644 | |
| 3645 | /* Create the entry and insert it in the tree */ |
| 3646 | entry = malloc(sizeof(*entry)); |
| 3647 | if (!entry) { |
| 3648 | memprintf(err, "out of memory"); |
| 3649 | return -1; |
| 3650 | } |
| 3651 | |
| 3652 | entry->node.key = strdup(from); |
Tim Duesterhus | dcf753a | 2021-03-04 17:31:47 +0100 | [diff] [blame] | 3653 | entry->name = ist(strdup(to)); |
Tim Duesterhus | 7b5777d | 2021-03-02 18:57:28 +0100 | [diff] [blame] | 3654 | if (!entry->node.key || !isttest(entry->name)) { |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3655 | free(entry->node.key); |
Tim Duesterhus | ed52637 | 2020-03-05 17:56:33 +0100 | [diff] [blame] | 3656 | istfree(&entry->name); |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3657 | free(entry); |
| 3658 | memprintf(err, "out of memory"); |
| 3659 | return -1; |
| 3660 | } |
| 3661 | ebis_insert(&hdrs_map.map, &entry->node); |
| 3662 | return 0; |
| 3663 | } |
| 3664 | |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3665 | /* Migrate the the connection to the current thread. |
| 3666 | * Return 0 if successful, non-zero otherwise. |
| 3667 | * Expected to be called with the old thread lock held. |
| 3668 | */ |
Olivier Houchard | 1662cdb | 2020-07-03 14:04:37 +0200 | [diff] [blame] | 3669 | static int h1_takeover(struct connection *conn, int orig_tid) |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3670 | { |
| 3671 | struct h1c *h1c = conn->ctx; |
Willy Tarreau | 09e0d9e | 2020-07-01 16:39:33 +0200 | [diff] [blame] | 3672 | struct task *task; |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3673 | |
| 3674 | if (fd_takeover(conn->handle.fd, conn) != 0) |
| 3675 | return -1; |
Olivier Houchard | a74bb7e | 2020-07-03 14:01:21 +0200 | [diff] [blame] | 3676 | |
| 3677 | if (conn->xprt->takeover && conn->xprt->takeover(conn, conn->xprt_ctx, orig_tid) != 0) { |
| 3678 | /* We failed to takeover the xprt, even if the connection may |
| 3679 | * still be valid, flag it as error'd, as we have already |
| 3680 | * taken over the fd, and wake the tasklet, so that it will |
| 3681 | * destroy it. |
| 3682 | */ |
| 3683 | conn->flags |= CO_FL_ERROR; |
| 3684 | tasklet_wakeup_on(h1c->wait_event.tasklet, orig_tid); |
| 3685 | return -1; |
| 3686 | } |
| 3687 | |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3688 | if (h1c->wait_event.events) |
| 3689 | h1c->conn->xprt->unsubscribe(h1c->conn, h1c->conn->xprt_ctx, |
| 3690 | h1c->wait_event.events, &h1c->wait_event); |
| 3691 | /* To let the tasklet know it should free itself, and do nothing else, |
| 3692 | * set its context to NULL. |
| 3693 | */ |
| 3694 | h1c->wait_event.tasklet->context = NULL; |
Olivier Houchard | 1662cdb | 2020-07-03 14:04:37 +0200 | [diff] [blame] | 3695 | tasklet_wakeup_on(h1c->wait_event.tasklet, orig_tid); |
Willy Tarreau | 09e0d9e | 2020-07-01 16:39:33 +0200 | [diff] [blame] | 3696 | |
| 3697 | task = h1c->task; |
| 3698 | if (task) { |
| 3699 | task->context = NULL; |
| 3700 | h1c->task = NULL; |
| 3701 | __ha_barrier_store(); |
| 3702 | task_kill(task); |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3703 | |
| 3704 | h1c->task = task_new(tid_bit); |
| 3705 | if (!h1c->task) { |
| 3706 | h1_release(h1c); |
| 3707 | return -1; |
| 3708 | } |
| 3709 | h1c->task->process = h1_timeout_task; |
| 3710 | h1c->task->context = h1c; |
| 3711 | } |
| 3712 | h1c->wait_event.tasklet = tasklet_new(); |
| 3713 | if (!h1c->wait_event.tasklet) { |
| 3714 | h1_release(h1c); |
| 3715 | return -1; |
| 3716 | } |
| 3717 | h1c->wait_event.tasklet->process = h1_io_cb; |
| 3718 | h1c->wait_event.tasklet->context = h1c; |
| 3719 | h1c->conn->xprt->subscribe(h1c->conn, h1c->conn->xprt_ctx, |
| 3720 | SUB_RETRY_RECV, &h1c->wait_event); |
| 3721 | |
| 3722 | return 0; |
| 3723 | } |
| 3724 | |
| 3725 | |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3726 | static void h1_hdeaders_case_adjust_deinit() |
| 3727 | { |
| 3728 | struct ebpt_node *node, *next; |
| 3729 | struct h1_hdr_entry *entry; |
| 3730 | |
| 3731 | node = ebpt_first(&hdrs_map.map); |
| 3732 | while (node) { |
| 3733 | next = ebpt_next(node); |
| 3734 | ebpt_delete(node); |
| 3735 | entry = container_of(node, struct h1_hdr_entry, node); |
| 3736 | free(entry->node.key); |
Tim Duesterhus | ed52637 | 2020-03-05 17:56:33 +0100 | [diff] [blame] | 3737 | istfree(&entry->name); |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3738 | free(entry); |
| 3739 | node = next; |
| 3740 | } |
| 3741 | free(hdrs_map.name); |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3742 | } |
| 3743 | |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3744 | static int cfg_h1_headers_case_adjust_postparser() |
| 3745 | { |
| 3746 | FILE *file = NULL; |
| 3747 | char *c, *key_beg, *key_end, *value_beg, *value_end; |
| 3748 | char *err; |
| 3749 | int rc, line = 0, err_code = 0; |
| 3750 | |
| 3751 | if (!hdrs_map.name) |
| 3752 | goto end; |
| 3753 | |
| 3754 | file = fopen(hdrs_map.name, "r"); |
| 3755 | if (!file) { |
| 3756 | ha_alert("config : h1-outgoing-headers-case-adjust-file '%s': failed to open file.\n", |
| 3757 | hdrs_map.name); |
| 3758 | err_code |= ERR_ALERT | ERR_FATAL; |
| 3759 | goto end; |
| 3760 | } |
| 3761 | |
| 3762 | /* now parse all lines. The file may contain only two header name per |
| 3763 | * line, separated by spaces. All heading and trailing spaces will be |
| 3764 | * ignored. Lines starting with a # are ignored. |
| 3765 | */ |
| 3766 | while (fgets(trash.area, trash.size, file) != NULL) { |
| 3767 | line++; |
| 3768 | c = trash.area; |
| 3769 | |
| 3770 | /* strip leading spaces and tabs */ |
| 3771 | while (*c == ' ' || *c == '\t') |
| 3772 | c++; |
| 3773 | |
| 3774 | /* ignore emptu lines, or lines beginning with a dash */ |
| 3775 | if (*c == '#' || *c == '\0' || *c == '\r' || *c == '\n') |
| 3776 | continue; |
| 3777 | |
| 3778 | /* look for the end of the key */ |
| 3779 | key_beg = c; |
| 3780 | while (*c != '\0' && *c != ' ' && *c != '\t' && *c != '\n' && *c != '\r') |
| 3781 | c++; |
| 3782 | key_end = c; |
| 3783 | |
| 3784 | /* strip middle spaces and tabs */ |
| 3785 | while (*c == ' ' || *c == '\t') |
| 3786 | c++; |
| 3787 | |
| 3788 | /* look for the end of the value, it is the end of the line */ |
| 3789 | value_beg = c; |
| 3790 | while (*c && *c != '\n' && *c != '\r') |
| 3791 | c++; |
| 3792 | value_end = c; |
| 3793 | |
| 3794 | /* trim possibly trailing spaces and tabs */ |
| 3795 | while (value_end > value_beg && (value_end[-1] == ' ' || value_end[-1] == '\t')) |
| 3796 | value_end--; |
| 3797 | |
| 3798 | /* set final \0 and check entries */ |
| 3799 | *key_end = '\0'; |
| 3800 | *value_end = '\0'; |
| 3801 | |
| 3802 | err = NULL; |
| 3803 | rc = add_hdr_case_adjust(key_beg, value_beg, &err); |
| 3804 | if (rc < 0) { |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3805 | ha_alert("config : h1-outgoing-headers-case-adjust-file '%s' : %s at line %d.\n", |
| 3806 | hdrs_map.name, err, line); |
| 3807 | err_code |= ERR_ALERT | ERR_FATAL; |
Christopher Faulet | cac5c09 | 2019-07-30 16:51:42 +0200 | [diff] [blame] | 3808 | free(err); |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3809 | goto end; |
| 3810 | } |
| 3811 | if (rc > 0) { |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3812 | ha_warning("config : h1-outgoing-headers-case-adjust-file '%s' : %s at line %d.\n", |
| 3813 | hdrs_map.name, err, line); |
| 3814 | err_code |= ERR_WARN; |
Christopher Faulet | cac5c09 | 2019-07-30 16:51:42 +0200 | [diff] [blame] | 3815 | free(err); |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3816 | } |
| 3817 | } |
| 3818 | |
| 3819 | end: |
| 3820 | if (file) |
| 3821 | fclose(file); |
| 3822 | hap_register_post_deinit(h1_hdeaders_case_adjust_deinit); |
| 3823 | return err_code; |
| 3824 | } |
| 3825 | |
| 3826 | |
| 3827 | /* config parser for global "h1-outgoing-header-case-adjust" */ |
| 3828 | static int cfg_parse_h1_header_case_adjust(char **args, int section_type, struct proxy *curpx, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 3829 | const struct proxy *defpx, const char *file, int line, |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3830 | char **err) |
| 3831 | { |
| 3832 | if (too_many_args(2, args, err, NULL)) |
| 3833 | return -1; |
| 3834 | if (!*(args[1]) || !*(args[2])) { |
| 3835 | memprintf(err, "'%s' expects <from> and <to> as argument.", args[0]); |
| 3836 | return -1; |
| 3837 | } |
| 3838 | return add_hdr_case_adjust(args[1], args[2], err); |
| 3839 | } |
| 3840 | |
| 3841 | /* config parser for global "h1-outgoing-headers-case-adjust-file" */ |
| 3842 | static int cfg_parse_h1_headers_case_adjust_file(char **args, int section_type, struct proxy *curpx, |
Willy Tarreau | 0182516 | 2021-03-09 09:53:46 +0100 | [diff] [blame] | 3843 | const struct proxy *defpx, const char *file, int line, |
Christopher Faulet | 98fbe95 | 2019-07-22 16:18:24 +0200 | [diff] [blame] | 3844 | char **err) |
| 3845 | { |
| 3846 | if (too_many_args(1, args, err, NULL)) |
| 3847 | return -1; |
| 3848 | if (!*(args[1])) { |
| 3849 | memprintf(err, "'%s' expects <file> as argument.", args[0]); |
| 3850 | return -1; |
| 3851 | } |
| 3852 | free(hdrs_map.name); |
| 3853 | hdrs_map.name = strdup(args[1]); |
| 3854 | return 0; |
| 3855 | } |
| 3856 | |
| 3857 | |
| 3858 | /* config keyword parsers */ |
| 3859 | static struct cfg_kw_list cfg_kws = {{ }, { |
| 3860 | { CFG_GLOBAL, "h1-case-adjust", cfg_parse_h1_header_case_adjust }, |
| 3861 | { CFG_GLOBAL, "h1-case-adjust-file", cfg_parse_h1_headers_case_adjust_file }, |
| 3862 | { 0, NULL, NULL }, |
| 3863 | } |
| 3864 | }; |
| 3865 | |
| 3866 | INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws); |
| 3867 | REGISTER_CONFIG_POSTPARSER("h1-headers-map", cfg_h1_headers_case_adjust_postparser); |
| 3868 | |
| 3869 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3870 | /****************************************/ |
Ilya Shipitsin | c02a23f | 2020-05-06 00:53:22 +0500 | [diff] [blame] | 3871 | /* MUX initialization and instantiation */ |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3872 | /****************************************/ |
| 3873 | |
| 3874 | /* The mux operations */ |
Christopher Faulet | 3f612f7 | 2021-02-05 16:44:21 +0100 | [diff] [blame] | 3875 | static const struct mux_ops mux_http_ops = { |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3876 | .init = h1_init, |
| 3877 | .wake = h1_wake, |
| 3878 | .attach = h1_attach, |
| 3879 | .get_first_cs = h1_get_first_cs, |
| 3880 | .detach = h1_detach, |
| 3881 | .destroy = h1_destroy, |
| 3882 | .avail_streams = h1_avail_streams, |
Willy Tarreau | 00f18a3 | 2019-01-26 12:19:01 +0100 | [diff] [blame] | 3883 | .used_streams = h1_used_streams, |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3884 | .rcv_buf = h1_rcv_buf, |
| 3885 | .snd_buf = h1_snd_buf, |
Willy Tarreau | e573323 | 2019-05-22 19:24:06 +0200 | [diff] [blame] | 3886 | #if defined(USE_LINUX_SPLICE) |
Christopher Faulet | 1be55f9 | 2018-10-02 15:59:23 +0200 | [diff] [blame] | 3887 | .rcv_pipe = h1_rcv_pipe, |
| 3888 | .snd_pipe = h1_snd_pipe, |
| 3889 | #endif |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3890 | .subscribe = h1_subscribe, |
| 3891 | .unsubscribe = h1_unsubscribe, |
| 3892 | .shutr = h1_shutr, |
| 3893 | .shutw = h1_shutw, |
Olivier Houchard | a8f6b43 | 2018-12-21 15:20:29 +0100 | [diff] [blame] | 3894 | .show_fd = h1_show_fd, |
Olivier Houchard | 9b8e11e | 2019-10-25 16:19:26 +0200 | [diff] [blame] | 3895 | .ctl = h1_ctl, |
Olivier Houchard | f12ca9f | 2020-02-20 16:00:18 +0100 | [diff] [blame] | 3896 | .takeover = h1_takeover, |
Christopher Faulet | 9f38f5a | 2019-04-03 09:53:32 +0200 | [diff] [blame] | 3897 | .flags = MX_FL_HTX, |
Willy Tarreau | 0a7a4fb | 2019-05-22 11:36:54 +0200 | [diff] [blame] | 3898 | .name = "H1", |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3899 | }; |
| 3900 | |
Christopher Faulet | 3f612f7 | 2021-02-05 16:44:21 +0100 | [diff] [blame] | 3901 | static const struct mux_ops mux_h1_ops = { |
| 3902 | .init = h1_init, |
| 3903 | .wake = h1_wake, |
| 3904 | .attach = h1_attach, |
| 3905 | .get_first_cs = h1_get_first_cs, |
| 3906 | .detach = h1_detach, |
| 3907 | .destroy = h1_destroy, |
| 3908 | .avail_streams = h1_avail_streams, |
| 3909 | .used_streams = h1_used_streams, |
| 3910 | .rcv_buf = h1_rcv_buf, |
| 3911 | .snd_buf = h1_snd_buf, |
| 3912 | #if defined(USE_LINUX_SPLICE) |
| 3913 | .rcv_pipe = h1_rcv_pipe, |
| 3914 | .snd_pipe = h1_snd_pipe, |
| 3915 | #endif |
| 3916 | .subscribe = h1_subscribe, |
| 3917 | .unsubscribe = h1_unsubscribe, |
| 3918 | .shutr = h1_shutr, |
| 3919 | .shutw = h1_shutw, |
| 3920 | .show_fd = h1_show_fd, |
| 3921 | .ctl = h1_ctl, |
| 3922 | .takeover = h1_takeover, |
| 3923 | .flags = MX_FL_HTX|MX_FL_NO_UPG, |
| 3924 | .name = "H1", |
| 3925 | }; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3926 | |
Christopher Faulet | 3f612f7 | 2021-02-05 16:44:21 +0100 | [diff] [blame] | 3927 | /* this mux registers default HTX proto but also h1 proto (to be referenced in the conf */ |
| 3928 | static struct mux_proto_list mux_proto_h1 = |
| 3929 | { .token = IST("h1"), .mode = PROTO_MODE_HTTP, .side = PROTO_SIDE_BOTH, .mux = &mux_h1_ops }; |
| 3930 | static struct mux_proto_list mux_proto_http = |
| 3931 | { .token = IST(""), .mode = PROTO_MODE_HTTP, .side = PROTO_SIDE_BOTH, .mux = &mux_http_ops }; |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3932 | |
Christopher Faulet | 3f612f7 | 2021-02-05 16:44:21 +0100 | [diff] [blame] | 3933 | INITCALL1(STG_REGISTER, register_mux_proto, &mux_proto_h1); |
| 3934 | INITCALL1(STG_REGISTER, register_mux_proto, &mux_proto_http); |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3935 | |
Christopher Faulet | 51dbc94 | 2018-09-13 09:05:15 +0200 | [diff] [blame] | 3936 | /* |
| 3937 | * Local variables: |
| 3938 | * c-indent-level: 8 |
| 3939 | * c-basic-offset: 8 |
| 3940 | * End: |
| 3941 | */ |