William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Functions dedicated to statistics output and the stats socket |
| 3 | * |
| 4 | * Copyright 2000-2012 Willy Tarreau <w@1wt.eu> |
| 5 | * Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <ctype.h> |
| 15 | #include <errno.h> |
| 16 | #include <fcntl.h> |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <string.h> |
| 20 | #include <pwd.h> |
| 21 | #include <grp.h> |
| 22 | |
| 23 | #include <sys/socket.h> |
| 24 | #include <sys/stat.h> |
| 25 | #include <sys/types.h> |
| 26 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 27 | #include <net/if.h> |
| 28 | |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 29 | #include <haproxy/activity.h> |
Willy Tarreau | 4c7e4b7 | 2020-05-27 12:58:42 +0200 | [diff] [blame] | 30 | #include <haproxy/api.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 31 | #include <haproxy/applet-t.h> |
| 32 | #include <haproxy/base64.h> |
Willy Tarreau | 6be7849 | 2020-06-05 00:00:29 +0200 | [diff] [blame] | 33 | #include <haproxy/cfgparse.h> |
Willy Tarreau | f1d32c4 | 2020-06-04 21:07:02 +0200 | [diff] [blame] | 34 | #include <haproxy/channel.h> |
Willy Tarreau | 4aa573d | 2020-06-04 18:21:56 +0200 | [diff] [blame] | 35 | #include <haproxy/check.h> |
Willy Tarreau | 83487a8 | 2020-06-04 20:19:54 +0200 | [diff] [blame] | 36 | #include <haproxy/cli.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 37 | #include <haproxy/compression.h> |
Willy Tarreau | eb92deb | 2020-06-04 10:53:16 +0200 | [diff] [blame] | 38 | #include <haproxy/dns-t.h> |
Willy Tarreau | 36979d9 | 2020-06-05 17:27:29 +0200 | [diff] [blame] | 39 | #include <haproxy/errors.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 40 | #include <haproxy/fd.h> |
| 41 | #include <haproxy/freq_ctr.h> |
Willy Tarreau | 762d7a5 | 2020-06-04 11:23:07 +0200 | [diff] [blame] | 42 | #include <haproxy/frontend.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 43 | #include <haproxy/global.h> |
Willy Tarreau | 853b297 | 2020-05-27 18:01:47 +0200 | [diff] [blame] | 44 | #include <haproxy/list.h> |
Willy Tarreau | 213e990 | 2020-06-04 14:58:24 +0200 | [diff] [blame] | 45 | #include <haproxy/listener.h> |
Willy Tarreau | aeed4a8 | 2020-06-04 22:01:04 +0200 | [diff] [blame] | 46 | #include <haproxy/log.h> |
Willy Tarreau | b5abe5b | 2020-06-04 14:07:37 +0200 | [diff] [blame] | 47 | #include <haproxy/mworker-t.h> |
Willy Tarreau | 225a90a | 2020-06-04 15:06:28 +0200 | [diff] [blame] | 48 | #include <haproxy/pattern-t.h> |
Willy Tarreau | 3c2a7c2 | 2020-06-04 18:38:21 +0200 | [diff] [blame] | 49 | #include <haproxy/peers.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 50 | #include <haproxy/pipe.h> |
| 51 | #include <haproxy/protocol.h> |
Willy Tarreau | a264d96 | 2020-06-04 22:29:18 +0200 | [diff] [blame] | 52 | #include <haproxy/proxy.h> |
Willy Tarreau | e6ce10b | 2020-06-04 15:33:47 +0200 | [diff] [blame] | 53 | #include <haproxy/sample-t.h> |
Willy Tarreau | 1e56f92 | 2020-06-04 23:20:13 +0200 | [diff] [blame] | 54 | #include <haproxy/server.h> |
Willy Tarreau | 48d25b3 | 2020-06-04 18:58:52 +0200 | [diff] [blame] | 55 | #include <haproxy/session.h> |
Willy Tarreau | a74cb38 | 2020-10-15 21:29:49 +0200 | [diff] [blame] | 56 | #include <haproxy/sock.h> |
Willy Tarreau | 2eec9b5 | 2020-06-04 19:58:55 +0200 | [diff] [blame] | 57 | #include <haproxy/stats-t.h> |
Willy Tarreau | dfd3de8 | 2020-06-04 23:46:14 +0200 | [diff] [blame] | 58 | #include <haproxy/stream.h> |
Willy Tarreau | 5e539c9 | 2020-06-04 20:45:39 +0200 | [diff] [blame] | 59 | #include <haproxy/stream_interface.h> |
Willy Tarreau | cea0e1b | 2020-06-04 17:25:40 +0200 | [diff] [blame] | 60 | #include <haproxy/task.h> |
Willy Tarreau | c2f7c58 | 2020-06-02 18:15:32 +0200 | [diff] [blame] | 61 | #include <haproxy/ticks.h> |
Willy Tarreau | 92b4f13 | 2020-06-01 11:05:15 +0200 | [diff] [blame] | 62 | #include <haproxy/time.h> |
Willy Tarreau | b255105 | 2020-06-09 09:07:15 +0200 | [diff] [blame] | 63 | #include <haproxy/tools.h> |
Willy Tarreau | d678805 | 2020-05-27 15:59:00 +0200 | [diff] [blame] | 64 | #include <haproxy/version.h> |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 65 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 66 | #define PAYLOAD_PATTERN "<<" |
| 67 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 68 | static struct applet cli_applet; |
William Lallemand | 99e0bb9 | 2020-11-05 10:28:53 +0100 | [diff] [blame] | 69 | static struct applet mcli_applet; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 70 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 71 | static const char cli_permission_denied_msg[] = |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 72 | "Permission denied\n" |
| 73 | ""; |
| 74 | |
| 75 | |
Christopher Faulet | 1bc04c7 | 2017-10-29 20:14:08 +0100 | [diff] [blame] | 76 | static THREAD_LOCAL char *dynamic_usage_msg = NULL; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 77 | |
| 78 | /* List head of cli keywords */ |
| 79 | static struct cli_kw_list cli_keywords = { |
| 80 | .list = LIST_HEAD_INIT(cli_keywords.list) |
| 81 | }; |
| 82 | |
| 83 | extern const char *stat_status_codes[]; |
| 84 | |
Eric Salama | 1b8dacc | 2021-03-16 15:12:17 +0100 | [diff] [blame] | 85 | struct proxy *mworker_proxy; /* CLI proxy of the master */ |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 86 | |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 87 | static int cmp_kw_entries(const void *a, const void *b) |
| 88 | { |
| 89 | const struct cli_kw *l = *(const struct cli_kw **)a; |
| 90 | const struct cli_kw *r = *(const struct cli_kw **)b; |
| 91 | |
| 92 | return strcmp(l->usage ? l->usage : "", r->usage ? r->usage : ""); |
| 93 | } |
| 94 | |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 95 | /* This will show the help message and list the commands supported at the |
| 96 | * current level that match all of the first words of <args> if args is not |
| 97 | * NULL, or all args if none matches or if args is null. |
| 98 | */ |
| 99 | static char *cli_gen_usage_msg(struct appctx *appctx, char * const *args) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 100 | { |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 101 | struct cli_kw *entries[CLI_MAX_HELP_ENTRIES]; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 102 | struct cli_kw_list *kw_list; |
| 103 | struct cli_kw *kw; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 104 | struct buffer *tmp = get_trash_chunk(); |
| 105 | struct buffer out; |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 106 | struct { struct cli_kw *kw; int dist; } matches[CLI_MAX_MATCHES], swp; |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 107 | int idx; |
Willy Tarreau | 0b1b830 | 2021-05-09 20:59:23 +0200 | [diff] [blame] | 108 | int ishelp = 0; |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 109 | int length = 0; |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 110 | int help_entries = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 111 | |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 112 | ha_free(&dynamic_usage_msg); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 113 | |
Willy Tarreau | 0b1b830 | 2021-05-09 20:59:23 +0200 | [diff] [blame] | 114 | if (args && *args && strcmp(*args, "help") == 0) { |
| 115 | args++; |
| 116 | ishelp = 1; |
| 117 | } |
| 118 | |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 119 | /* first, let's measure the longest match */ |
| 120 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 121 | for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) { |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 122 | if (kw->level & ~appctx->cli_level & (ACCESS_MASTER_ONLY|ACCESS_EXPERT|ACCESS_EXPERIMENTAL)) |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 123 | continue; |
| 124 | if ((appctx->cli_level & ~kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)) == |
| 125 | (ACCESS_MASTER_ONLY|ACCESS_MASTER)) |
| 126 | continue; |
| 127 | |
| 128 | /* OK this command is visible */ |
| 129 | for (idx = 0; idx < CLI_PREFIX_KW_NB; idx++) { |
| 130 | if (!kw->str_kw[idx]) |
| 131 | break; // end of keyword |
| 132 | if (!args || !args[idx] || !*args[idx]) |
| 133 | break; // end of command line |
| 134 | if (strcmp(kw->str_kw[idx], args[idx]) != 0) |
| 135 | break; |
| 136 | if (idx + 1 > length) |
| 137 | length = idx + 1; |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 142 | /* now <length> equals the number of exactly matching words */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 143 | chunk_reset(tmp); |
Willy Tarreau | 0b1b830 | 2021-05-09 20:59:23 +0200 | [diff] [blame] | 144 | if (ishelp) // this is the help message. |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 145 | chunk_strcat(tmp, "The following commands are valid at this level:\n"); |
Willy Tarreau | 5db446d | 2021-05-10 07:47:05 +0200 | [diff] [blame] | 146 | else if (!length && (!args || !*args || !**args)) // no match |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 147 | chunk_strcat(tmp, "Unknown command. Please enter one of the following commands only:\n"); |
| 148 | else // partial match |
| 149 | chunk_strcat(tmp, "Unknown command, but maybe one of the following ones is a better match:\n"); |
| 150 | |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 151 | for (idx = 0; idx < CLI_MAX_MATCHES; idx++) { |
| 152 | matches[idx].kw = NULL; |
| 153 | matches[idx].dist = INT_MAX; |
| 154 | } |
| 155 | |
| 156 | /* In case of partial match we'll look for the best matching entries |
| 157 | * starting from position <length> |
| 158 | */ |
Willy Tarreau | 9c18747 | 2021-03-13 12:25:43 +0100 | [diff] [blame] | 159 | if (args && args[length] && *args[length]) { |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 160 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 161 | for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) { |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 162 | if (kw->level & ~appctx->cli_level & (ACCESS_MASTER_ONLY|ACCESS_EXPERT|ACCESS_EXPERIMENTAL)) |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 163 | continue; |
| 164 | if ((appctx->cli_level & ~kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)) == |
| 165 | (ACCESS_MASTER_ONLY|ACCESS_MASTER)) |
| 166 | continue; |
| 167 | |
| 168 | for (idx = 0; idx < length; idx++) { |
| 169 | if (!kw->str_kw[idx]) |
| 170 | break; // end of keyword |
| 171 | if (!args || !args[idx] || !*args[idx]) |
| 172 | break; // end of command line |
| 173 | if (strcmp(kw->str_kw[idx], args[idx]) != 0) |
| 174 | break; |
| 175 | } |
| 176 | |
| 177 | /* extra non-matching words are fuzzy-matched */ |
| 178 | if (kw->usage && idx == length && args[idx] && *args[idx]) { |
| 179 | uint8_t word_sig[1024]; |
| 180 | uint8_t list_sig[1024]; |
| 181 | int dist = 0; |
| 182 | int totlen = 0; |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 183 | int i; |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 184 | |
| 185 | /* this one matches, let's compute the distance between the two |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 186 | * on the remaining words. For this we're computing the signature |
| 187 | * of everything that remains and the cumulated length of the |
| 188 | * strings. |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 189 | */ |
Willy Tarreau | c57dcfe | 2021-03-12 19:01:59 +0100 | [diff] [blame] | 190 | memset(word_sig, 0, sizeof(word_sig)); |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 191 | for (i = idx; i < CLI_PREFIX_KW_NB && args[i] && *args[i]; i++) { |
| 192 | update_word_fingerprint(word_sig, args[i]); |
| 193 | totlen += strlen(args[i]); |
| 194 | } |
Willy Tarreau | c57dcfe | 2021-03-12 19:01:59 +0100 | [diff] [blame] | 195 | |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 196 | memset(list_sig, 0, sizeof(list_sig)); |
| 197 | for (i = idx; i < CLI_PREFIX_KW_NB && kw->str_kw[i]; i++) { |
| 198 | update_word_fingerprint(list_sig, kw->str_kw[i]); |
| 199 | totlen += strlen(kw->str_kw[i]); |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 200 | } |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 201 | |
Willy Tarreau | c57dcfe | 2021-03-12 19:01:59 +0100 | [diff] [blame] | 202 | dist = word_fingerprint_distance(word_sig, list_sig); |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 203 | |
| 204 | /* insert this one at its place if relevant, in order to keep only |
| 205 | * the best matches. |
| 206 | */ |
| 207 | swp.kw = kw; swp.dist = dist; |
Willy Tarreau | a9aa628 | 2021-03-15 10:00:29 +0100 | [diff] [blame] | 208 | if (dist < 5*totlen/2 && dist < matches[CLI_MAX_MATCHES-1].dist) { |
Willy Tarreau | b736458 | 2021-03-12 18:24:46 +0100 | [diff] [blame] | 209 | matches[CLI_MAX_MATCHES-1] = swp; |
| 210 | for (idx = CLI_MAX_MATCHES - 1; --idx >= 0;) { |
| 211 | if (matches[idx+1].dist >= matches[idx].dist) |
| 212 | break; |
| 213 | matches[idx+1] = matches[idx]; |
| 214 | matches[idx] = swp; |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | } |
| 221 | |
Willy Tarreau | ec197e8 | 2021-03-15 10:35:04 +0100 | [diff] [blame] | 222 | if (matches[0].kw) { |
| 223 | /* we have fuzzy matches, let's propose them */ |
| 224 | for (idx = 0; idx < CLI_MAX_MATCHES; idx++) { |
| 225 | kw = matches[idx].kw; |
| 226 | if (!kw) |
| 227 | break; |
| 228 | |
| 229 | /* stop the dump if some words look very unlikely candidates */ |
| 230 | if (matches[idx].dist > 5*matches[0].dist/2) |
| 231 | break; |
| 232 | |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 233 | if (help_entries < CLI_MAX_HELP_ENTRIES) |
| 234 | entries[help_entries++] = kw; |
Willy Tarreau | ec197e8 | 2021-03-15 10:35:04 +0100 | [diff] [blame] | 235 | } |
| 236 | } |
| 237 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 238 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
Willy Tarreau | ec197e8 | 2021-03-15 10:35:04 +0100 | [diff] [blame] | 239 | /* no full dump if we've already found nice candidates */ |
| 240 | if (matches[0].kw) |
| 241 | break; |
| 242 | |
Willy Tarreau | 91bc359 | 2021-03-12 15:20:39 +0100 | [diff] [blame] | 243 | for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) { |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 244 | |
Willy Tarreau | 91bc359 | 2021-03-12 15:20:39 +0100 | [diff] [blame] | 245 | /* in a worker or normal process, don't display master-only commands |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 246 | * nor expert/experimental mode commands if not in this mode. |
Willy Tarreau | 91bc359 | 2021-03-12 15:20:39 +0100 | [diff] [blame] | 247 | */ |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 248 | if (kw->level & ~appctx->cli_level & (ACCESS_MASTER_ONLY|ACCESS_EXPERT|ACCESS_EXPERIMENTAL)) |
Willy Tarreau | 91bc359 | 2021-03-12 15:20:39 +0100 | [diff] [blame] | 249 | continue; |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 250 | |
Willy Tarreau | 91bc359 | 2021-03-12 15:20:39 +0100 | [diff] [blame] | 251 | /* in master don't display commands that have neither the master bit |
| 252 | * nor the master-only bit. |
| 253 | */ |
| 254 | if ((appctx->cli_level & ~kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)) == |
| 255 | (ACCESS_MASTER_ONLY|ACCESS_MASTER)) |
| 256 | continue; |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 257 | |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 258 | for (idx = 0; idx < length; idx++) { |
| 259 | if (!kw->str_kw[idx]) |
| 260 | break; // end of keyword |
| 261 | if (!args || !args[idx] || !*args[idx]) |
| 262 | break; // end of command line |
| 263 | if (strcmp(kw->str_kw[idx], args[idx]) != 0) |
| 264 | break; |
| 265 | } |
| 266 | |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 267 | if (kw->usage && idx == length && help_entries < CLI_MAX_HELP_ENTRIES) |
| 268 | entries[help_entries++] = kw; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 269 | } |
| 270 | } |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 271 | |
Willy Tarreau | 92fbbcc | 2021-05-09 21:45:29 +0200 | [diff] [blame] | 272 | qsort(entries, help_entries, sizeof(*entries), cmp_kw_entries); |
| 273 | |
| 274 | for (idx = 0; idx < help_entries; idx++) |
| 275 | chunk_appendf(tmp, " %s\n", entries[idx]->usage); |
| 276 | |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 277 | /* always show the prompt/help/quit commands */ |
| 278 | chunk_strcat(tmp, |
Willy Tarreau | 0b1b830 | 2021-05-09 20:59:23 +0200 | [diff] [blame] | 279 | " help [<command>] : list matching or all commands\n" |
Willy Tarreau | b205bfd | 2021-05-07 11:38:37 +0200 | [diff] [blame] | 280 | " prompt : toggle interactive mode with prompt\n" |
| 281 | " quit : disconnect\n"); |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 282 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 283 | chunk_init(&out, NULL, 0); |
| 284 | chunk_dup(&out, tmp); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 285 | dynamic_usage_msg = out.area; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 286 | |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 287 | appctx->ctx.cli.severity = LOG_INFO; |
| 288 | appctx->ctx.cli.msg = dynamic_usage_msg; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 289 | appctx->st0 = CLI_ST_PRINT; |
| 290 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 291 | return dynamic_usage_msg; |
| 292 | } |
| 293 | |
| 294 | struct cli_kw* cli_find_kw(char **args) |
| 295 | { |
| 296 | struct cli_kw_list *kw_list; |
| 297 | struct cli_kw *kw;/* current cli_kw */ |
| 298 | char **tmp_args; |
| 299 | const char **tmp_str_kw; |
| 300 | int found = 0; |
| 301 | |
| 302 | if (LIST_ISEMPTY(&cli_keywords.list)) |
| 303 | return NULL; |
| 304 | |
| 305 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 306 | kw = &kw_list->kw[0]; |
| 307 | while (*kw->str_kw) { |
| 308 | tmp_args = args; |
| 309 | tmp_str_kw = kw->str_kw; |
| 310 | while (*tmp_str_kw) { |
| 311 | if (strcmp(*tmp_str_kw, *tmp_args) == 0) { |
| 312 | found = 1; |
| 313 | } else { |
| 314 | found = 0; |
| 315 | break; |
| 316 | } |
| 317 | tmp_args++; |
| 318 | tmp_str_kw++; |
| 319 | } |
| 320 | if (found) |
| 321 | return (kw); |
| 322 | kw++; |
| 323 | } |
| 324 | } |
| 325 | return NULL; |
| 326 | } |
| 327 | |
Thierry Fournier | a51a1fd | 2020-11-28 20:10:08 +0100 | [diff] [blame] | 328 | struct cli_kw* cli_find_kw_exact(char **args) |
| 329 | { |
| 330 | struct cli_kw_list *kw_list; |
| 331 | int found = 0; |
| 332 | int i; |
| 333 | int j; |
| 334 | |
| 335 | if (LIST_ISEMPTY(&cli_keywords.list)) |
| 336 | return NULL; |
| 337 | |
| 338 | list_for_each_entry(kw_list, &cli_keywords.list, list) { |
| 339 | for (i = 0; kw_list->kw[i].str_kw[0]; i++) { |
| 340 | found = 1; |
| 341 | for (j = 0; j < CLI_PREFIX_KW_NB; j++) { |
| 342 | if (args[j] == NULL && kw_list->kw[i].str_kw[j] == NULL) { |
| 343 | break; |
| 344 | } |
| 345 | if (args[j] == NULL || kw_list->kw[i].str_kw[j] == NULL) { |
| 346 | found = 0; |
| 347 | break; |
| 348 | } |
| 349 | if (strcmp(args[j], kw_list->kw[i].str_kw[j]) != 0) { |
| 350 | found = 0; |
| 351 | break; |
| 352 | } |
| 353 | } |
| 354 | if (found) |
| 355 | return &kw_list->kw[i]; |
| 356 | } |
| 357 | } |
| 358 | return NULL; |
| 359 | } |
| 360 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 361 | void cli_register_kw(struct cli_kw_list *kw_list) |
| 362 | { |
Willy Tarreau | 2b71810 | 2021-04-21 07:32:39 +0200 | [diff] [blame] | 363 | LIST_APPEND(&cli_keywords.list, &kw_list->list); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | |
| 367 | /* allocate a new stats frontend named <name>, and return it |
| 368 | * (or NULL in case of lack of memory). |
| 369 | */ |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 370 | static struct proxy *cli_alloc_fe(const char *name, const char *file, int line) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 371 | { |
| 372 | struct proxy *fe; |
| 373 | |
| 374 | fe = calloc(1, sizeof(*fe)); |
| 375 | if (!fe) |
| 376 | return NULL; |
| 377 | |
| 378 | init_new_proxy(fe); |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 379 | fe->next = proxies_list; |
| 380 | proxies_list = fe; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 381 | fe->last_change = now.tv_sec; |
| 382 | fe->id = strdup("GLOBAL"); |
| 383 | fe->cap = PR_CAP_FE; |
| 384 | fe->maxconn = 10; /* default to 10 concurrent connections */ |
| 385 | fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */ |
| 386 | fe->conf.file = strdup(file); |
| 387 | fe->conf.line = line; |
| 388 | fe->accept = frontend_accept; |
| 389 | fe->default_target = &cli_applet.obj_type; |
| 390 | |
| 391 | /* the stats frontend is the only one able to assign ID #0 */ |
| 392 | fe->conf.id.key = fe->uuid = 0; |
| 393 | eb32_insert(&used_proxy_id, &fe->conf.id); |
| 394 | return fe; |
| 395 | } |
| 396 | |
| 397 | /* This function parses a "stats" statement in the "global" section. It returns |
| 398 | * -1 if there is any error, otherwise zero. If it returns -1, it will write an |
| 399 | * error message into the <err> buffer which will be preallocated. The trailing |
| 400 | * '\n' must not be written. The function must be called with <args> pointing to |
| 401 | * the first word after "stats". |
| 402 | */ |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 403 | static int cli_parse_global(char **args, int section_type, struct proxy *curpx, |
| 404 | const struct proxy *defpx, const char *file, int line, |
| 405 | char **err) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 406 | { |
| 407 | struct bind_conf *bind_conf; |
| 408 | struct listener *l; |
| 409 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 410 | if (strcmp(args[1], "socket") == 0) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 411 | int cur_arg; |
| 412 | |
| 413 | if (*args[2] == 0) { |
| 414 | memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]); |
| 415 | return -1; |
| 416 | } |
| 417 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 418 | if (!global.cli_fe) { |
| 419 | if ((global.cli_fe = cli_alloc_fe("GLOBAL", file, line)) == NULL) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 420 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 421 | return -1; |
| 422 | } |
| 423 | } |
| 424 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 425 | bind_conf = bind_conf_alloc(global.cli_fe, file, line, args[2], xprt_get(XPRT_RAW)); |
Christopher Faulet | 0c6d1dc | 2021-04-12 16:56:37 +0200 | [diff] [blame] | 426 | if (!bind_conf) { |
| 427 | memprintf(err, "'%s %s' : out of memory trying to allocate a bind_conf", args[0], args[1]); |
| 428 | return -1; |
| 429 | } |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 430 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 431 | bind_conf->level |= ACCESS_LVL_OPER; /* default access level */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 432 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 433 | if (!str2listener(args[2], global.cli_fe, bind_conf, file, line, err)) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 434 | memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n", |
| 435 | file, line, args[0], args[1], err && *err ? *err : "error"); |
| 436 | return -1; |
| 437 | } |
| 438 | |
| 439 | cur_arg = 3; |
| 440 | while (*args[cur_arg]) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 441 | struct bind_kw *kw; |
Willy Tarreau | 433b05f | 2021-03-12 10:14:07 +0100 | [diff] [blame] | 442 | const char *best; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 443 | |
| 444 | kw = bind_find_kw(args[cur_arg]); |
| 445 | if (kw) { |
| 446 | if (!kw->parse) { |
| 447 | memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 448 | args[0], args[1], args[cur_arg]); |
| 449 | return -1; |
| 450 | } |
| 451 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 452 | if (kw->parse(args, cur_arg, global.cli_fe, bind_conf, err) != 0) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 453 | if (err && *err) |
| 454 | memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err); |
| 455 | else |
| 456 | memprintf(err, "'%s %s' : error encountered while processing '%s'", |
| 457 | args[0], args[1], args[cur_arg]); |
| 458 | return -1; |
| 459 | } |
| 460 | |
| 461 | cur_arg += 1 + kw->skip; |
| 462 | continue; |
| 463 | } |
| 464 | |
Willy Tarreau | 433b05f | 2021-03-12 10:14:07 +0100 | [diff] [blame] | 465 | best = bind_find_best_kw(args[cur_arg]); |
| 466 | if (best) |
| 467 | memprintf(err, "'%s %s' : unknown keyword '%s'. Did you mean '%s' maybe ?", |
| 468 | args[0], args[1], args[cur_arg], best); |
| 469 | else |
| 470 | memprintf(err, "'%s %s' : unknown keyword '%s'.", |
| 471 | args[0], args[1], args[cur_arg]); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 472 | return -1; |
| 473 | } |
| 474 | |
| 475 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 476 | l->accept = session_accept_fd; |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 477 | l->default_target = global.cli_fe->default_target; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 478 | l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */ |
| 479 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 480 | global.maxsock++; /* for the listening socket */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 481 | } |
| 482 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 483 | else if (strcmp(args[1], "timeout") == 0) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 484 | unsigned timeout; |
| 485 | const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS); |
| 486 | |
Willy Tarreau | 9faebe3 | 2019-06-07 19:00:37 +0200 | [diff] [blame] | 487 | if (res == PARSE_TIME_OVER) { |
| 488 | memprintf(err, "timer overflow in argument '%s' to '%s %s' (maximum value is 2147483647 ms or ~24.8 days)", |
| 489 | args[2], args[0], args[1]); |
| 490 | return -1; |
| 491 | } |
| 492 | else if (res == PARSE_TIME_UNDER) { |
| 493 | memprintf(err, "timer underflow in argument '%s' to '%s %s' (minimum non-null value is 1 ms)", |
| 494 | args[2], args[0], args[1]); |
| 495 | return -1; |
| 496 | } |
| 497 | else if (res) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 498 | memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res); |
| 499 | return -1; |
| 500 | } |
| 501 | |
| 502 | if (!timeout) { |
| 503 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 504 | return -1; |
| 505 | } |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 506 | if (!global.cli_fe) { |
| 507 | if ((global.cli_fe = cli_alloc_fe("GLOBAL", file, line)) == NULL) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 508 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 509 | return -1; |
| 510 | } |
| 511 | } |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 512 | global.cli_fe->timeout.client = MS_TO_TICKS(timeout); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 513 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 514 | else if (strcmp(args[1], "maxconn") == 0) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 515 | int maxconn = atol(args[2]); |
| 516 | |
| 517 | if (maxconn <= 0) { |
| 518 | memprintf(err, "'%s %s' expects a positive value", args[0], args[1]); |
| 519 | return -1; |
| 520 | } |
| 521 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 522 | if (!global.cli_fe) { |
| 523 | if ((global.cli_fe = cli_alloc_fe("GLOBAL", file, line)) == NULL) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 524 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 525 | return -1; |
| 526 | } |
| 527 | } |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 528 | global.cli_fe->maxconn = maxconn; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 529 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 530 | else if (strcmp(args[1], "bind-process") == 0) { /* enable the socket only on some processes */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 531 | int cur_arg = 2; |
| 532 | unsigned long set = 0; |
| 533 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 534 | if (!global.cli_fe) { |
| 535 | if ((global.cli_fe = cli_alloc_fe("GLOBAL", file, line)) == NULL) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 536 | memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]); |
| 537 | return -1; |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | while (*args[cur_arg]) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 542 | if (strcmp(args[cur_arg], "all") == 0) { |
| 543 | set = 0; |
| 544 | break; |
| 545 | } |
Willy Tarreau | ff9c914 | 2019-02-07 10:39:36 +0100 | [diff] [blame] | 546 | if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, err)) { |
Christopher Faulet | f1f0c5f | 2017-11-22 12:06:43 +0100 | [diff] [blame] | 547 | memprintf(err, "'%s %s' : %s", args[0], args[1], *err); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 548 | return -1; |
| 549 | } |
| 550 | cur_arg++; |
| 551 | } |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 552 | global.cli_fe->bind_proc = set; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 553 | } |
| 554 | else { |
| 555 | memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]); |
| 556 | return -1; |
| 557 | } |
| 558 | return 0; |
| 559 | } |
| 560 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 561 | /* |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 562 | * This function exports the bound addresses of a <frontend> in the environment |
| 563 | * variable <varname>. Those addresses are separated by semicolons and prefixed |
| 564 | * with their type (abns@, unix@, sockpair@ etc) |
| 565 | * Return -1 upon error, 0 otherwise |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 566 | */ |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 567 | int listeners_setenv(struct proxy *frontend, const char *varname) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 568 | { |
| 569 | struct buffer *trash = get_trash_chunk(); |
| 570 | struct bind_conf *bind_conf; |
| 571 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 572 | if (frontend) { |
| 573 | list_for_each_entry(bind_conf, &frontend->conf.bind, by_fe) { |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 574 | struct listener *l; |
| 575 | |
| 576 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 577 | char addr[46]; |
| 578 | char port[6]; |
| 579 | |
William Lallemand | 620072b | 2019-04-12 16:09:25 +0200 | [diff] [blame] | 580 | /* separate listener by semicolons */ |
| 581 | if (trash->data) |
| 582 | chunk_appendf(trash, ";"); |
| 583 | |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 584 | if (l->rx.addr.ss_family == AF_UNIX) { |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 585 | const struct sockaddr_un *un; |
| 586 | |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 587 | un = (struct sockaddr_un *)&l->rx.addr; |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 588 | if (un->sun_path[0] == '\0') { |
| 589 | chunk_appendf(trash, "abns@%s", un->sun_path+1); |
| 590 | } else { |
| 591 | chunk_appendf(trash, "unix@%s", un->sun_path); |
| 592 | } |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 593 | } else if (l->rx.addr.ss_family == AF_INET) { |
| 594 | addr_to_str(&l->rx.addr, addr, sizeof(addr)); |
| 595 | port_to_str(&l->rx.addr, port, sizeof(port)); |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 596 | chunk_appendf(trash, "ipv4@%s:%s", addr, port); |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 597 | } else if (l->rx.addr.ss_family == AF_INET6) { |
| 598 | addr_to_str(&l->rx.addr, addr, sizeof(addr)); |
| 599 | port_to_str(&l->rx.addr, port, sizeof(port)); |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 600 | chunk_appendf(trash, "ipv6@[%s]:%s", addr, port); |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 601 | } else if (l->rx.addr.ss_family == AF_CUST_SOCKPAIR) { |
| 602 | chunk_appendf(trash, "sockpair@%d", ((struct sockaddr_in *)&l->rx.addr)->sin_addr.s_addr); |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 603 | } |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 604 | } |
| 605 | } |
| 606 | trash->area[trash->data++] = '\0'; |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 607 | if (setenv(varname, trash->area, 1) < 0) |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 608 | return -1; |
| 609 | } |
| 610 | |
| 611 | return 0; |
| 612 | } |
| 613 | |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 614 | int cli_socket_setenv() |
| 615 | { |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 616 | if (listeners_setenv(global.cli_fe, "HAPROXY_CLI") < 0) |
William Lallemand | 9a37fd0 | 2019-04-12 16:09:24 +0200 | [diff] [blame] | 617 | return -1; |
| 618 | if (listeners_setenv(mworker_proxy, "HAPROXY_MASTER_CLI") < 0) |
| 619 | return -1; |
| 620 | |
| 621 | return 0; |
| 622 | } |
| 623 | |
William Lallemand | 33d29e2 | 2019-04-01 11:30:06 +0200 | [diff] [blame] | 624 | REGISTER_CONFIG_POSTPARSER("cli", cli_socket_setenv); |
| 625 | |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 626 | /* Verifies that the CLI at least has a level at least as high as <level> |
| 627 | * (typically ACCESS_LVL_ADMIN). Returns 1 if OK, otherwise 0. In case of |
| 628 | * failure, an error message is prepared and the appctx's state is adjusted |
| 629 | * to print it so that a return 1 is enough to abort any processing. |
| 630 | */ |
| 631 | int cli_has_level(struct appctx *appctx, int level) |
| 632 | { |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 633 | |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 634 | if ((appctx->cli_level & ACCESS_LVL_MASK) < level) { |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 635 | cli_err(appctx, cli_permission_denied_msg); |
Willy Tarreau | de57a57 | 2016-11-23 17:01:39 +0100 | [diff] [blame] | 636 | return 0; |
| 637 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 638 | return 1; |
| 639 | } |
| 640 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 641 | /* same as cli_has_level but for the CLI proxy and without error message */ |
| 642 | int pcli_has_level(struct stream *s, int level) |
| 643 | { |
| 644 | if ((s->pcli_flags & ACCESS_LVL_MASK) < level) { |
| 645 | return 0; |
| 646 | } |
| 647 | return 1; |
| 648 | } |
| 649 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 650 | /* Returns severity_output for the current session if set, or default for the socket */ |
| 651 | static int cli_get_severity_output(struct appctx *appctx) |
| 652 | { |
| 653 | if (appctx->cli_severity_output) |
| 654 | return appctx->cli_severity_output; |
| 655 | return strm_li(si_strm(appctx->owner))->bind_conf->severity_output; |
| 656 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 657 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 658 | /* Processes the CLI interpreter on the stats socket. This function is called |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 659 | * from the CLI's IO handler running in an appctx context. The function returns |
| 660 | * 1 if the request was understood, otherwise zero (in which case an error |
| 661 | * message will be displayed). It is called with appctx->st0 |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 662 | * set to CLI_ST_GETREQ and presets ->st2 to 0 so that parsers don't have to do |
| 663 | * it. It will possilbly leave st0 to CLI_ST_CALLBACK if the keyword needs to |
| 664 | * have its own I/O handler called again. Most of the time, parsers will only |
| 665 | * set st0 to CLI_ST_PRINT and put their message to be displayed into cli.msg. |
Willy Tarreau | eaffde3 | 2016-12-16 17:59:25 +0100 | [diff] [blame] | 666 | * If a keyword parser is NULL and an I/O handler is declared, the I/O handler |
| 667 | * will automatically be used. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 668 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 669 | static int cli_parse_request(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 670 | { |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 671 | char *args[MAX_CLI_ARGS + 1], *p, *end, *payload = NULL; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 672 | int i = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 673 | struct cli_kw *kw; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 674 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 675 | appctx->st2 = 0; |
| 676 | memset(&appctx->ctx.cli, 0, sizeof(appctx->ctx.cli)); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 677 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 678 | p = appctx->chunk->area; |
| 679 | end = p + appctx->chunk->data; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 680 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 681 | /* |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 682 | * Get pointers on words. |
| 683 | * One extra slot is reserved to store a pointer on a null byte. |
| 684 | */ |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 685 | while (i < MAX_CLI_ARGS && p < end) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 686 | int j, k; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 687 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 688 | /* skip leading spaces/tabs */ |
| 689 | p += strspn(p, " \t"); |
| 690 | if (!*p) |
| 691 | break; |
Willy Tarreau | c5c170a | 2021-09-17 11:07:45 +0200 | [diff] [blame] | 692 | |
| 693 | if (strcmp(p, PAYLOAD_PATTERN) == 0) { |
| 694 | /* payload pattern recognized here, this is not an arg anymore, |
| 695 | * the payload starts at the first byte that follows the zero |
| 696 | * after the pattern. |
| 697 | */ |
| 698 | payload = p + strlen(PAYLOAD_PATTERN) + 1; |
| 699 | break; |
| 700 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 701 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 702 | args[i] = p; |
Yves Lafon | b08c6d0 | 2020-06-08 16:08:06 +0200 | [diff] [blame] | 703 | while (1) { |
| 704 | p += strcspn(p, " \t\\"); |
| 705 | /* escaped chars using backlashes (\) */ |
| 706 | if (*p == '\\') { |
| 707 | if (!*++p) |
| 708 | break; |
| 709 | if (!*++p) |
| 710 | break; |
| 711 | } else { |
| 712 | break; |
| 713 | } |
| 714 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 715 | *p++ = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 716 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 717 | /* unescape backslashes (\) */ |
| 718 | for (j = 0, k = 0; args[i][k]; k++) { |
| 719 | if (args[i][k] == '\\') { |
| 720 | if (args[i][k + 1] == '\\') |
| 721 | k++; |
Dragan Dosen | a1c35ab | 2016-11-24 11:33:12 +0100 | [diff] [blame] | 722 | else |
| 723 | continue; |
| 724 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 725 | args[i][j] = args[i][k]; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 726 | j++; |
| 727 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 728 | args[i][j] = 0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 729 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 730 | i++; |
| 731 | } |
| 732 | /* fill unused slots */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 733 | p = appctx->chunk->area + appctx->chunk->data; |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 734 | for (; i < MAX_CLI_ARGS + 1; i++) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 735 | args[i] = p; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 736 | |
| 737 | kw = cli_find_kw(args); |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 738 | if (!kw || |
| 739 | (kw->level & ~appctx->cli_level & ACCESS_MASTER_ONLY) || |
| 740 | (appctx->cli_level & ~kw->level & (ACCESS_MASTER_ONLY|ACCESS_MASTER)) == (ACCESS_MASTER_ONLY|ACCESS_MASTER)) { |
| 741 | /* keyword not found in this mode */ |
Willy Tarreau | b96a74c | 2021-03-12 17:13:28 +0100 | [diff] [blame] | 742 | cli_gen_usage_msg(appctx, args); |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 743 | return 0; |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 744 | } |
William Lallemand | 14721be | 2018-10-26 14:47:37 +0200 | [diff] [blame] | 745 | |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 746 | /* don't handle expert mode commands if not in this mode. */ |
| 747 | if (kw->level & ~appctx->cli_level & ACCESS_EXPERT) { |
| 748 | cli_err(appctx, "This command is restricted to expert mode only.\n"); |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 749 | return 0; |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 750 | } |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 751 | |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 752 | if (kw->level & ~appctx->cli_level & ACCESS_EXPERIMENTAL) { |
| 753 | cli_err(appctx, "This command is restricted to experimental mode only.\n"); |
| 754 | return 0; |
| 755 | } |
| 756 | |
Amaury Denoyelle | f492992 | 2021-05-05 16:29:23 +0200 | [diff] [blame] | 757 | if (kw->level == ACCESS_EXPERT) |
| 758 | mark_tainted(TAINTED_CLI_EXPERT_MODE); |
| 759 | else if (kw->level == ACCESS_EXPERIMENTAL) |
| 760 | mark_tainted(TAINTED_CLI_EXPERIMENTAL_MODE); |
| 761 | |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 762 | appctx->io_handler = kw->io_handler; |
Emeric Brun | d6871f7 | 2017-06-29 19:54:13 +0200 | [diff] [blame] | 763 | appctx->io_release = kw->io_release; |
William Lallemand | 90b098c | 2019-10-25 21:10:14 +0200 | [diff] [blame] | 764 | |
| 765 | if (kw->parse && kw->parse(args, payload, appctx, kw->private) != 0) |
| 766 | goto fail; |
| 767 | |
| 768 | /* kw->parse could set its own io_handler or io_release handler */ |
| 769 | if (!appctx->io_handler) |
| 770 | goto fail; |
| 771 | |
| 772 | appctx->st0 = CLI_ST_CALLBACK; |
| 773 | return 1; |
| 774 | fail: |
| 775 | appctx->io_handler = NULL; |
| 776 | appctx->io_release = NULL; |
Willy Tarreau | 4190856 | 2016-11-24 16:23:38 +0100 | [diff] [blame] | 777 | return 1; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 778 | } |
| 779 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 780 | /* prepends then outputs the argument msg with a syslog-type severity depending on severity_output value */ |
| 781 | static int cli_output_msg(struct channel *chn, const char *msg, int severity, int severity_output) |
| 782 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 783 | struct buffer *tmp; |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 784 | |
| 785 | if (likely(severity_output == CLI_SEVERITY_NONE)) |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 786 | return ci_putblk(chn, msg, strlen(msg)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 787 | |
| 788 | tmp = get_trash_chunk(); |
| 789 | chunk_reset(tmp); |
| 790 | |
| 791 | if (severity < 0 || severity > 7) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 792 | ha_warning("socket command feedback with invalid severity %d", severity); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 793 | chunk_printf(tmp, "[%d]: ", severity); |
| 794 | } |
| 795 | else { |
| 796 | switch (severity_output) { |
| 797 | case CLI_SEVERITY_NUMBER: |
| 798 | chunk_printf(tmp, "[%d]: ", severity); |
| 799 | break; |
| 800 | case CLI_SEVERITY_STRING: |
| 801 | chunk_printf(tmp, "[%s]: ", log_levels[severity]); |
| 802 | break; |
| 803 | default: |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 804 | ha_warning("Unrecognized severity output %d", severity_output); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 805 | } |
| 806 | } |
| 807 | chunk_appendf(tmp, "%s", msg); |
| 808 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 809 | return ci_putblk(chn, tmp->area, strlen(tmp->area)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 810 | } |
| 811 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 812 | /* This I/O handler runs as an applet embedded in a stream interface. It is |
| 813 | * used to processes I/O from/to the stats unix socket. The system relies on a |
| 814 | * state machine handling requests and various responses. We read a request, |
| 815 | * then we process it and send the response, and we possibly display a prompt. |
| 816 | * Then we can read again. The state is stored in appctx->st0 and is one of the |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 817 | * CLI_ST_* constants. appctx->st1 is used to indicate whether prompt is enabled |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 818 | * or not. |
| 819 | */ |
| 820 | static void cli_io_handler(struct appctx *appctx) |
| 821 | { |
| 822 | struct stream_interface *si = appctx->owner; |
| 823 | struct channel *req = si_oc(si); |
| 824 | struct channel *res = si_ic(si); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 825 | struct bind_conf *bind_conf = strm_li(si_strm(si))->bind_conf; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 826 | int reql; |
| 827 | int len; |
| 828 | |
| 829 | if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) |
| 830 | goto out; |
| 831 | |
Joseph Herlant | 008b3ce | 2018-11-25 12:51:45 -0800 | [diff] [blame] | 832 | /* Check if the input buffer is available. */ |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 833 | if (res->buf.size == 0) { |
Willy Tarreau | 4b962a4 | 2018-11-15 11:03:21 +0100 | [diff] [blame] | 834 | /* buf.size==0 means we failed to get a buffer and were |
| 835 | * already subscribed to a wait list to get a buffer. |
| 836 | */ |
Christopher Faulet | a73e59b | 2016-12-09 17:30:18 +0100 | [diff] [blame] | 837 | goto out; |
| 838 | } |
| 839 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 840 | while (1) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 841 | if (appctx->st0 == CLI_ST_INIT) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 842 | /* Stats output not initialized yet */ |
| 843 | memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats)); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 844 | /* reset severity to default at init */ |
| 845 | appctx->cli_severity_output = bind_conf->severity_output; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 846 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | f630d01 | 2018-12-13 09:05:44 +0100 | [diff] [blame] | 847 | appctx->cli_level = bind_conf->level; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 848 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 849 | else if (appctx->st0 == CLI_ST_END) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 850 | /* Let's close for real now. We just close the request |
| 851 | * side, the conditions below will complete if needed. |
| 852 | */ |
| 853 | si_shutw(si); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 854 | free_trash_chunk(appctx->chunk); |
Willy Tarreau | 18b2a9d | 2021-05-04 16:27:45 +0200 | [diff] [blame] | 855 | appctx->chunk = NULL; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 856 | break; |
| 857 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 858 | else if (appctx->st0 == CLI_ST_GETREQ) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 859 | char *str; |
| 860 | |
| 861 | /* use a trash chunk to store received data */ |
| 862 | if (!appctx->chunk) { |
| 863 | appctx->chunk = alloc_trash_chunk(); |
| 864 | if (!appctx->chunk) { |
| 865 | appctx->st0 = CLI_ST_END; |
| 866 | continue; |
| 867 | } |
| 868 | } |
| 869 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 870 | str = appctx->chunk->area + appctx->chunk->data; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 871 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 872 | /* ensure we have some output room left in the event we |
| 873 | * would want to return some info right after parsing. |
| 874 | */ |
| 875 | if (buffer_almost_full(si_ib(si))) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 876 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 877 | break; |
| 878 | } |
| 879 | |
Willy Tarreau | 02a7330 | 2022-01-19 17:23:52 +0100 | [diff] [blame] | 880 | /* payload doesn't take escapes nor does it end on semi-colons, so |
| 881 | * we use the regular getline. Normal mode however must stop on |
| 882 | * LFs and semi-colons that are not prefixed by a backslash. Note |
| 883 | * that we reserve one byte at the end to insert a trailing nul byte. |
| 884 | */ |
| 885 | |
| 886 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) |
| 887 | reql = co_getline(si_oc(si), str, |
| 888 | appctx->chunk->size - appctx->chunk->data - 1); |
| 889 | else |
| 890 | reql = co_getdelim(si_oc(si), str, |
| 891 | appctx->chunk->size - appctx->chunk->data - 1, |
| 892 | "\n;", '\\'); |
| 893 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 894 | if (reql <= 0) { /* closed or EOL not found */ |
| 895 | if (reql == 0) |
| 896 | break; |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 897 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 898 | continue; |
| 899 | } |
| 900 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 901 | if (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)) { |
| 902 | /* seek for a possible unescaped semi-colon. If we find |
| 903 | * one, we replace it with an LF and skip only this part. |
| 904 | */ |
| 905 | for (len = 0; len < reql; len++) { |
| 906 | if (str[len] == '\\') { |
| 907 | len++; |
| 908 | continue; |
| 909 | } |
| 910 | if (str[len] == ';') { |
| 911 | str[len] = '\n'; |
| 912 | reql = len + 1; |
| 913 | break; |
| 914 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 915 | } |
| 916 | } |
| 917 | |
| 918 | /* now it is time to check that we have a full line, |
| 919 | * remove the trailing \n and possibly \r, then cut the |
| 920 | * line. |
| 921 | */ |
| 922 | len = reql - 1; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 923 | if (str[len] != '\n') { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 924 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 925 | continue; |
| 926 | } |
| 927 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 928 | if (len && str[len-1] == '\r') |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 929 | len--; |
| 930 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 931 | str[len] = '\0'; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 932 | appctx->chunk->data += len; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 933 | |
| 934 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 935 | appctx->chunk->area[appctx->chunk->data] = '\n'; |
| 936 | appctx->chunk->area[appctx->chunk->data + 1] = 0; |
| 937 | appctx->chunk->data++; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 938 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 939 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 940 | appctx->st0 = CLI_ST_PROMPT; |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 941 | |
| 942 | if (appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) { |
| 943 | /* empty line */ |
| 944 | if (!len) { |
| 945 | /* remove the last two \n */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 946 | appctx->chunk->data -= 2; |
| 947 | appctx->chunk->area[appctx->chunk->data] = 0; |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 948 | cli_parse_request(appctx); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 949 | chunk_reset(appctx->chunk); |
| 950 | /* NB: cli_sock_parse_request() may have put |
| 951 | * another CLI_ST_O_* into appctx->st0. |
| 952 | */ |
| 953 | |
| 954 | appctx->st1 &= ~APPCTX_CLI_ST1_PAYLOAD; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 955 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 956 | } |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 957 | else { |
| 958 | /* |
| 959 | * Look for the "payload start" pattern at the end of a line |
| 960 | * Its location is not remembered here, this is just to switch |
| 961 | * to a gathering mode. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 962 | */ |
Willy Tarreau | c5c170a | 2021-09-17 11:07:45 +0200 | [diff] [blame] | 963 | if (strcmp(appctx->chunk->area + appctx->chunk->data - strlen(PAYLOAD_PATTERN), PAYLOAD_PATTERN) == 0) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 964 | appctx->st1 |= APPCTX_CLI_ST1_PAYLOAD; |
Willy Tarreau | c5c170a | 2021-09-17 11:07:45 +0200 | [diff] [blame] | 965 | appctx->chunk->data++; // keep the trailing \0 after '<<' |
| 966 | } |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 967 | else { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 968 | /* no payload, the command is complete: parse the request */ |
Willy Tarreau | f3697dd | 2021-03-12 15:57:47 +0100 | [diff] [blame] | 969 | cli_parse_request(appctx); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 970 | chunk_reset(appctx->chunk); |
Andjelko Iharos | c3680ec | 2017-07-20 16:49:14 +0200 | [diff] [blame] | 971 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | /* re-adjust req buffer */ |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 975 | co_skip(si_oc(si), reql); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 976 | req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */ |
| 977 | } |
| 978 | else { /* output functions */ |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 979 | const char *msg; |
| 980 | int sev; |
| 981 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 982 | switch (appctx->st0) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 983 | case CLI_ST_PROMPT: |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 984 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 985 | case CLI_ST_PRINT: /* print const message in msg */ |
| 986 | case CLI_ST_PRINT_ERR: /* print const error in msg */ |
| 987 | case CLI_ST_PRINT_DYN: /* print dyn message in msg, free */ |
| 988 | case CLI_ST_PRINT_FREE: /* print dyn error in err, free */ |
| 989 | if (appctx->st0 == CLI_ST_PRINT || appctx->st0 == CLI_ST_PRINT_ERR) { |
| 990 | sev = appctx->st0 == CLI_ST_PRINT_ERR ? |
| 991 | LOG_ERR : appctx->ctx.cli.severity; |
| 992 | msg = appctx->ctx.cli.msg; |
| 993 | } |
| 994 | else if (appctx->st0 == CLI_ST_PRINT_DYN || appctx->st0 == CLI_ST_PRINT_FREE) { |
| 995 | sev = appctx->st0 == CLI_ST_PRINT_FREE ? |
| 996 | LOG_ERR : appctx->ctx.cli.severity; |
| 997 | msg = appctx->ctx.cli.err; |
| 998 | if (!msg) { |
| 999 | sev = LOG_ERR; |
| 1000 | msg = "Out of memory.\n"; |
| 1001 | } |
| 1002 | } |
| 1003 | else { |
| 1004 | sev = LOG_ERR; |
| 1005 | msg = "Internal error.\n"; |
| 1006 | } |
Aurélien Nephtali | c511b7c | 2018-04-16 18:50:19 +0200 | [diff] [blame] | 1007 | |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 1008 | if (cli_output_msg(res, msg, sev, cli_get_severity_output(appctx)) != -1) { |
| 1009 | if (appctx->st0 == CLI_ST_PRINT_FREE || |
| 1010 | appctx->st0 == CLI_ST_PRINT_DYN) { |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1011 | ha_free(&appctx->ctx.cli.err); |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 1012 | } |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1013 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1014 | } |
| 1015 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1016 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1017 | break; |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 1018 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1019 | case CLI_ST_CALLBACK: /* use custom pointer */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1020 | if (appctx->io_handler) |
| 1021 | if (appctx->io_handler(appctx)) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1022 | appctx->st0 = CLI_ST_PROMPT; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1023 | if (appctx->io_release) { |
| 1024 | appctx->io_release(appctx); |
| 1025 | appctx->io_release = NULL; |
| 1026 | } |
| 1027 | } |
| 1028 | break; |
| 1029 | default: /* abnormal state */ |
| 1030 | si->flags |= SI_FL_ERR; |
| 1031 | break; |
| 1032 | } |
| 1033 | |
| 1034 | /* The post-command prompt is either LF alone or LF + '> ' in interactive mode */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1035 | if (appctx->st0 == CLI_ST_PROMPT) { |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1036 | const char *prompt = ""; |
| 1037 | |
| 1038 | if (appctx->st1 & APPCTX_CLI_ST1_PROMPT) { |
| 1039 | /* |
| 1040 | * when entering a payload with interactive mode, change the prompt |
| 1041 | * to emphasize that more data can still be sent |
| 1042 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1043 | if (appctx->chunk->data && appctx->st1 & APPCTX_CLI_ST1_PAYLOAD) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1044 | prompt = "+ "; |
| 1045 | else |
| 1046 | prompt = "\n> "; |
| 1047 | } |
| 1048 | else { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1049 | if (!(appctx->st1 & (APPCTX_CLI_ST1_PAYLOAD|APPCTX_CLI_ST1_NOLF))) |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1050 | prompt = "\n"; |
| 1051 | } |
| 1052 | |
| 1053 | if (ci_putstr(si_ic(si), prompt) != -1) |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1054 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1055 | else |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1056 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1057 | } |
| 1058 | |
| 1059 | /* If the output functions are still there, it means they require more room. */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1060 | if (appctx->st0 >= CLI_ST_OUTPUT) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1061 | break; |
| 1062 | |
| 1063 | /* Now we close the output if one of the writers did so, |
| 1064 | * or if we're not in interactive mode and the request |
| 1065 | * buffer is empty. This still allows pipelined requests |
| 1066 | * to be sent in non-interactive mode. |
| 1067 | */ |
William Lallemand | 3de09d5 | 2018-12-11 16:10:56 +0100 | [diff] [blame] | 1068 | if (((res->flags & (CF_SHUTW|CF_SHUTW_NOW))) || |
| 1069 | (!(appctx->st1 & APPCTX_CLI_ST1_PROMPT) && !co_data(req) && (!(appctx->st1 & APPCTX_CLI_ST1_PAYLOAD)))) { |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1070 | appctx->st0 = CLI_ST_END; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1071 | continue; |
| 1072 | } |
| 1073 | |
| 1074 | /* switch state back to GETREQ to read next requests */ |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1075 | appctx->st0 = CLI_ST_GETREQ; |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1076 | /* reactivate the \n at the end of the response for the next command */ |
| 1077 | appctx->st1 &= ~APPCTX_CLI_ST1_NOLF; |
Willy Tarreau | a767d35 | 2022-01-19 17:11:36 +0100 | [diff] [blame] | 1078 | |
| 1079 | /* this forces us to yield between pipelined commands and |
| 1080 | * avoid extremely long latencies (e.g. "del map" etc). In |
| 1081 | * addition this increases the likelihood that the stream |
| 1082 | * refills the buffer with new bytes in non-interactive |
| 1083 | * mode, avoiding to close on apparently empty commands. |
| 1084 | */ |
| 1085 | if (co_data(si_oc(si))) { |
| 1086 | appctx_wakeup(appctx); |
| 1087 | goto out; |
| 1088 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) { |
| 1093 | DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n", |
| 1094 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 1095 | /* Other side has closed, let's abort if we have no more processing to do |
| 1096 | * and nothing more to consume. This is comparable to a broken pipe, so |
| 1097 | * we forward the close to the request side so that it flows upstream to |
| 1098 | * the client. |
| 1099 | */ |
| 1100 | si_shutw(si); |
| 1101 | } |
| 1102 | |
Willy Tarreau | 3b6e547 | 2016-11-24 15:53:53 +0100 | [diff] [blame] | 1103 | if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < CLI_ST_OUTPUT)) { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1104 | DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n", |
| 1105 | __FUNCTION__, __LINE__, req->flags, res->flags, si->state); |
| 1106 | /* We have no more processing to do, and nothing more to send, and |
| 1107 | * the client side has closed. So we'll forward this state downstream |
| 1108 | * on the response buffer. |
| 1109 | */ |
| 1110 | si_shutr(si); |
| 1111 | res->flags |= CF_READ_NULL; |
| 1112 | } |
| 1113 | |
| 1114 | out: |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 1115 | DPRINTF(stderr, "%s@%d: st=%d, rqf=%x, rpf=%x, rqh=%lu, rqs=%lu, rh=%lu, rs=%lu\n", |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1116 | __FUNCTION__, __LINE__, |
Christopher Faulet | 4507351 | 2018-07-20 10:16:29 +0200 | [diff] [blame] | 1117 | si->state, req->flags, res->flags, ci_data(req), co_data(req), ci_data(res), co_data(res)); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1118 | } |
| 1119 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1120 | /* This is called when the stream interface is closed. For instance, upon an |
| 1121 | * external abort, we won't call the i/o handler anymore so we may need to |
| 1122 | * remove back references to the stream currently being dumped. |
| 1123 | */ |
| 1124 | static void cli_release_handler(struct appctx *appctx) |
| 1125 | { |
Willy Tarreau | 18b2a9d | 2021-05-04 16:27:45 +0200 | [diff] [blame] | 1126 | free_trash_chunk(appctx->chunk); |
| 1127 | appctx->chunk = NULL; |
| 1128 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1129 | if (appctx->io_release) { |
| 1130 | appctx->io_release(appctx); |
| 1131 | appctx->io_release = NULL; |
| 1132 | } |
Willy Tarreau | d50c7fe | 2019-08-09 09:57:36 +0200 | [diff] [blame] | 1133 | else if (appctx->st0 == CLI_ST_PRINT_FREE || appctx->st0 == CLI_ST_PRINT_DYN) { |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 1134 | ha_free(&appctx->ctx.cli.err); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1135 | } |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1136 | } |
| 1137 | |
| 1138 | /* This function dumps all environmnent variables to the buffer. It returns 0 |
| 1139 | * if the output buffer is full and it needs to be called again, otherwise |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1140 | * non-zero. Dumps only one entry if st2 == STAT_ST_END. It uses cli.p0 as the |
| 1141 | * pointer to the current variable. |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1142 | */ |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1143 | static int cli_io_handler_show_env(struct appctx *appctx) |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1144 | { |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1145 | struct stream_interface *si = appctx->owner; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1146 | char **var = appctx->ctx.cli.p0; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1147 | |
| 1148 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1149 | return 1; |
| 1150 | |
| 1151 | chunk_reset(&trash); |
| 1152 | |
| 1153 | /* we have two inner loops here, one for the proxy, the other one for |
| 1154 | * the buffer. |
| 1155 | */ |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1156 | while (*var) { |
| 1157 | chunk_printf(&trash, "%s\n", *var); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1158 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1159 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1160 | si_rx_room_blk(si); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1161 | return 0; |
| 1162 | } |
| 1163 | if (appctx->st2 == STAT_ST_END) |
| 1164 | break; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1165 | var++; |
| 1166 | appctx->ctx.cli.p0 = var; |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | /* dump complete */ |
| 1170 | return 1; |
| 1171 | } |
| 1172 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1173 | /* This function dumps all file descriptors states (or the requested one) to |
| 1174 | * the buffer. It returns 0 if the output buffer is full and it needs to be |
| 1175 | * called again, otherwise non-zero. Dumps only one entry if st2 == STAT_ST_END. |
| 1176 | * It uses cli.i0 as the fd number to restart from. |
| 1177 | */ |
| 1178 | static int cli_io_handler_show_fd(struct appctx *appctx) |
| 1179 | { |
| 1180 | struct stream_interface *si = appctx->owner; |
| 1181 | int fd = appctx->ctx.cli.i0; |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1182 | int ret = 1; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1183 | |
| 1184 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1185 | goto end; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1186 | |
| 1187 | chunk_reset(&trash); |
| 1188 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1189 | /* isolate the threads once per round. We're limited to a buffer worth |
| 1190 | * of output anyway, it cannot last very long. |
| 1191 | */ |
| 1192 | thread_isolate(); |
| 1193 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1194 | /* we have two inner loops here, one for the proxy, the other one for |
| 1195 | * the buffer. |
| 1196 | */ |
Aurélien Nephtali | 498a115 | 2018-03-09 18:51:16 +0100 | [diff] [blame] | 1197 | while (fd >= 0 && fd < global.maxsock) { |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1198 | struct fdtab fdt; |
Willy Tarreau | eb0595d | 2021-01-20 14:13:46 +0100 | [diff] [blame] | 1199 | const struct listener *li = NULL; |
| 1200 | const struct server *sv = NULL; |
| 1201 | const struct proxy *px = NULL; |
| 1202 | const struct connection *conn = NULL; |
Willy Tarreau | a833cd9 | 2018-03-29 13:19:37 +0200 | [diff] [blame] | 1203 | const struct mux_ops *mux = NULL; |
Willy Tarreau | 37be953 | 2021-01-20 14:40:04 +0100 | [diff] [blame] | 1204 | const struct xprt_ops *xprt = NULL; |
Willy Tarreau | eb0595d | 2021-01-20 14:13:46 +0100 | [diff] [blame] | 1205 | const void *ctx = NULL; |
Willy Tarreau | 37be953 | 2021-01-20 14:40:04 +0100 | [diff] [blame] | 1206 | const void *xprt_ctx = NULL; |
Willy Tarreau | 286ec68 | 2017-08-09 16:35:44 +0200 | [diff] [blame] | 1207 | uint32_t conn_flags = 0; |
Willy Tarreau | e9ca807 | 2018-12-19 18:40:58 +0100 | [diff] [blame] | 1208 | int is_back = 0; |
Willy Tarreau | 8050efe | 2021-01-21 08:26:06 +0100 | [diff] [blame] | 1209 | int suspicious = 0; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1210 | |
| 1211 | fdt = fdtab[fd]; |
| 1212 | |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1213 | /* When DEBUG_FD is set, we also report closed FDs that have a |
| 1214 | * non-null event count to detect stuck ones. |
| 1215 | */ |
Willy Tarreau | 13c1a01 | 2020-06-29 14:23:31 +0200 | [diff] [blame] | 1216 | if (!fdt.owner) { |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1217 | #ifdef DEBUG_FD |
Willy Tarreau | 13c1a01 | 2020-06-29 14:23:31 +0200 | [diff] [blame] | 1218 | if (!fdt.event_count) |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1219 | #endif |
Willy Tarreau | 13c1a01 | 2020-06-29 14:23:31 +0200 | [diff] [blame] | 1220 | goto skip; // closed |
| 1221 | } |
Willy Tarreau | 586f71b | 2020-12-11 15:54:36 +0100 | [diff] [blame] | 1222 | else if (fdt.iocb == sock_conn_iocb) { |
Willy Tarreau | eb0595d | 2021-01-20 14:13:46 +0100 | [diff] [blame] | 1223 | conn = (const struct connection *)fdt.owner; |
| 1224 | conn_flags = conn->flags; |
| 1225 | mux = conn->mux; |
| 1226 | ctx = conn->ctx; |
Willy Tarreau | 37be953 | 2021-01-20 14:40:04 +0100 | [diff] [blame] | 1227 | xprt = conn->xprt; |
| 1228 | xprt_ctx = conn->xprt_ctx; |
Willy Tarreau | eb0595d | 2021-01-20 14:13:46 +0100 | [diff] [blame] | 1229 | li = objt_listener(conn->target); |
| 1230 | sv = objt_server(conn->target); |
| 1231 | px = objt_proxy(conn->target); |
| 1232 | is_back = conn_is_back(conn); |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1233 | if (atleast2(fdt.thread_mask)) |
| 1234 | suspicious = 1; |
| 1235 | if (conn->handle.fd != fd) |
| 1236 | suspicious = 1; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1237 | } |
Willy Tarreau | a74cb38 | 2020-10-15 21:29:49 +0200 | [diff] [blame] | 1238 | else if (fdt.iocb == sock_accept_iocb) |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1239 | li = fdt.owner; |
| 1240 | |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1241 | if (!fdt.thread_mask) |
| 1242 | suspicious = 1; |
| 1243 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1244 | chunk_printf(&trash, |
Willy Tarreau | 184b212 | 2021-04-07 08:48:12 +0200 | [diff] [blame] | 1245 | " %5d : st=0x%06x(%c%c %c%c%c%c%c W:%c%c%c R:%c%c%c) tmask=0x%lx umask=0x%lx owner=%p iocb=%p(", |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1246 | fd, |
| 1247 | fdt.state, |
Willy Tarreau | 184b212 | 2021-04-07 08:48:12 +0200 | [diff] [blame] | 1248 | (fdt.state & FD_CLONED) ? 'C' : 'c', |
| 1249 | (fdt.state & FD_LINGER_RISK) ? 'L' : 'l', |
Willy Tarreau | f509065 | 2021-04-06 17:23:40 +0200 | [diff] [blame] | 1250 | (fdt.state & FD_POLL_HUP) ? 'H' : 'h', |
| 1251 | (fdt.state & FD_POLL_ERR) ? 'E' : 'e', |
| 1252 | (fdt.state & FD_POLL_OUT) ? 'O' : 'o', |
| 1253 | (fdt.state & FD_POLL_PRI) ? 'P' : 'p', |
| 1254 | (fdt.state & FD_POLL_IN) ? 'I' : 'i', |
Willy Tarreau | 184b212 | 2021-04-07 08:48:12 +0200 | [diff] [blame] | 1255 | (fdt.state & FD_EV_SHUT_W) ? 'S' : 's', |
| 1256 | (fdt.state & FD_EV_READY_W) ? 'R' : 'r', |
| 1257 | (fdt.state & FD_EV_ACTIVE_W) ? 'A' : 'a', |
| 1258 | (fdt.state & FD_EV_SHUT_R) ? 'S' : 's', |
| 1259 | (fdt.state & FD_EV_READY_R) ? 'R' : 'r', |
| 1260 | (fdt.state & FD_EV_ACTIVE_R) ? 'A' : 'a', |
Willy Tarreau | c754b34 | 2018-03-30 15:00:15 +0200 | [diff] [blame] | 1261 | fdt.thread_mask, fdt.update_mask, |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1262 | fdt.owner, |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1263 | fdt.iocb); |
| 1264 | resolve_sym_name(&trash, NULL, fdt.iocb); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1265 | |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1266 | if (!fdt.owner) { |
| 1267 | chunk_appendf(&trash, ")"); |
| 1268 | } |
Willy Tarreau | 586f71b | 2020-12-11 15:54:36 +0100 | [diff] [blame] | 1269 | else if (fdt.iocb == sock_conn_iocb) { |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1270 | chunk_appendf(&trash, ") back=%d cflg=0x%08x", is_back, conn_flags); |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1271 | |
| 1272 | if (conn->handle.fd != fd) { |
| 1273 | chunk_appendf(&trash, " fd=%d(BOGUS)", conn->handle.fd); |
| 1274 | suspicious = 1; |
Willy Tarreau | ed98920 | 2021-02-05 10:54:52 +0100 | [diff] [blame] | 1275 | } else { |
| 1276 | struct sockaddr_storage sa; |
| 1277 | socklen_t salen; |
| 1278 | |
| 1279 | salen = sizeof(sa); |
| 1280 | if (getsockname(fd, (struct sockaddr *)&sa, &salen) != -1) { |
| 1281 | if (sa.ss_family == AF_INET) |
| 1282 | chunk_appendf(&trash, " fam=ipv4 lport=%d", ntohs(((const struct sockaddr_in *)&sa)->sin_port)); |
| 1283 | else if (sa.ss_family == AF_INET6) |
| 1284 | chunk_appendf(&trash, " fam=ipv6 lport=%d", ntohs(((const struct sockaddr_in6 *)&sa)->sin6_port)); |
| 1285 | else if (sa.ss_family == AF_UNIX) |
| 1286 | chunk_appendf(&trash, " fam=unix"); |
| 1287 | } |
| 1288 | |
| 1289 | salen = sizeof(sa); |
| 1290 | if (getpeername(fd, (struct sockaddr *)&sa, &salen) != -1) { |
| 1291 | if (sa.ss_family == AF_INET) |
| 1292 | chunk_appendf(&trash, " rport=%d", ntohs(((const struct sockaddr_in *)&sa)->sin_port)); |
| 1293 | else if (sa.ss_family == AF_INET6) |
| 1294 | chunk_appendf(&trash, " rport=%d", ntohs(((const struct sockaddr_in6 *)&sa)->sin6_port)); |
| 1295 | } |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1296 | } |
| 1297 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1298 | if (px) |
| 1299 | chunk_appendf(&trash, " px=%s", px->id); |
| 1300 | else if (sv) |
Willy Tarreau | ab40792 | 2021-07-06 11:41:10 +0200 | [diff] [blame] | 1301 | chunk_appendf(&trash, " sv=%s/%s", sv->proxy->id, sv->id); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1302 | else if (li) |
| 1303 | chunk_appendf(&trash, " fe=%s", li->bind_conf->frontend->id); |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1304 | |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1305 | if (mux) { |
Willy Tarreau | 3d2ee55 | 2018-12-19 14:12:10 +0100 | [diff] [blame] | 1306 | chunk_appendf(&trash, " mux=%s ctx=%p", mux->name, ctx); |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1307 | if (!ctx) |
| 1308 | suspicious = 1; |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1309 | if (mux->show_fd) |
Willy Tarreau | 8050efe | 2021-01-21 08:26:06 +0100 | [diff] [blame] | 1310 | suspicious |= mux->show_fd(&trash, fdt.owner); |
Willy Tarreau | b011d8f | 2018-03-30 14:41:19 +0200 | [diff] [blame] | 1311 | } |
Willy Tarreau | 35b1b48 | 2018-03-28 18:41:30 +0200 | [diff] [blame] | 1312 | else |
| 1313 | chunk_appendf(&trash, " nomux"); |
Willy Tarreau | 37be953 | 2021-01-20 14:40:04 +0100 | [diff] [blame] | 1314 | |
| 1315 | chunk_appendf(&trash, " xprt=%s", xprt ? xprt->name : ""); |
Willy Tarreau | 108a271 | 2021-01-20 15:30:56 +0100 | [diff] [blame] | 1316 | if (xprt) { |
| 1317 | if (xprt_ctx || xprt->show_fd) |
| 1318 | chunk_appendf(&trash, " xprt_ctx=%p", xprt_ctx); |
| 1319 | if (xprt->show_fd) |
Willy Tarreau | 8050efe | 2021-01-21 08:26:06 +0100 | [diff] [blame] | 1320 | suspicious |= xprt->show_fd(&trash, conn, xprt_ctx); |
Willy Tarreau | 108a271 | 2021-01-20 15:30:56 +0100 | [diff] [blame] | 1321 | } |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1322 | } |
Willy Tarreau | a74cb38 | 2020-10-15 21:29:49 +0200 | [diff] [blame] | 1323 | else if (fdt.iocb == sock_accept_iocb) { |
Willy Tarreau | ed98920 | 2021-02-05 10:54:52 +0100 | [diff] [blame] | 1324 | struct sockaddr_storage sa; |
| 1325 | socklen_t salen; |
| 1326 | |
Willy Tarreau | cf12f2e | 2020-03-03 17:29:58 +0100 | [diff] [blame] | 1327 | chunk_appendf(&trash, ") l.st=%s fe=%s", |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1328 | listener_state_str(li), |
| 1329 | li->bind_conf->frontend->id); |
Willy Tarreau | ed98920 | 2021-02-05 10:54:52 +0100 | [diff] [blame] | 1330 | |
| 1331 | salen = sizeof(sa); |
| 1332 | if (getsockname(fd, (struct sockaddr *)&sa, &salen) != -1) { |
| 1333 | if (sa.ss_family == AF_INET) |
| 1334 | chunk_appendf(&trash, " fam=ipv4 lport=%d", ntohs(((const struct sockaddr_in *)&sa)->sin_port)); |
| 1335 | else if (sa.ss_family == AF_INET6) |
| 1336 | chunk_appendf(&trash, " fam=ipv6 lport=%d", ntohs(((const struct sockaddr_in6 *)&sa)->sin6_port)); |
| 1337 | else if (sa.ss_family == AF_UNIX) |
| 1338 | chunk_appendf(&trash, " fam=unix"); |
| 1339 | } |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1340 | } |
Willy Tarreau | eb0595d | 2021-01-20 14:13:46 +0100 | [diff] [blame] | 1341 | else |
| 1342 | chunk_appendf(&trash, ")"); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1343 | |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1344 | #ifdef DEBUG_FD |
| 1345 | chunk_appendf(&trash, " evcnt=%u", fdtab[fd].event_count); |
Willy Tarreau | dacfde4 | 2021-01-21 09:07:29 +0100 | [diff] [blame] | 1346 | if (fdtab[fd].event_count >= 1000000) |
| 1347 | suspicious = 1; |
Willy Tarreau | 38e8a1c | 2020-06-23 10:04:54 +0200 | [diff] [blame] | 1348 | #endif |
Willy Tarreau | 8050efe | 2021-01-21 08:26:06 +0100 | [diff] [blame] | 1349 | chunk_appendf(&trash, "%s\n", suspicious ? " !" : ""); |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1350 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1351 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1352 | si_rx_room_blk(si); |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1353 | appctx->ctx.cli.i0 = fd; |
| 1354 | ret = 0; |
| 1355 | break; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1356 | } |
| 1357 | skip: |
| 1358 | if (appctx->st2 == STAT_ST_END) |
| 1359 | break; |
| 1360 | |
| 1361 | fd++; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1362 | } |
| 1363 | |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1364 | end: |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1365 | /* dump complete */ |
Willy Tarreau | ca1b157 | 2018-12-18 15:45:11 +0100 | [diff] [blame] | 1366 | |
| 1367 | thread_release(); |
| 1368 | return ret; |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1369 | } |
| 1370 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1371 | /* This function dumps some activity counters used by developers and support to |
| 1372 | * rule out some hypothesis during bug reports. It returns 0 if the output |
| 1373 | * buffer is full and it needs to be called again, otherwise non-zero. It dumps |
| 1374 | * everything at once in the buffer and is not designed to do it in multiple |
| 1375 | * passes. |
| 1376 | */ |
| 1377 | static int cli_io_handler_show_activity(struct appctx *appctx) |
| 1378 | { |
| 1379 | struct stream_interface *si = appctx->owner; |
| 1380 | int thr; |
| 1381 | |
| 1382 | if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) |
| 1383 | return 1; |
| 1384 | |
| 1385 | chunk_reset(&trash); |
| 1386 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1387 | #undef SHOW_TOT |
| 1388 | #define SHOW_TOT(t, x) \ |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1389 | do { \ |
| 1390 | unsigned int _v[MAX_THREADS]; \ |
| 1391 | unsigned int _tot; \ |
| 1392 | const unsigned int _nbt = global.nbthread; \ |
Willy Tarreau | b9aac36 | 2021-11-20 19:17:38 +0100 | [diff] [blame] | 1393 | _tot = t = 0; \ |
| 1394 | do { \ |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1395 | _tot += _v[t] = (x); \ |
Willy Tarreau | b9aac36 | 2021-11-20 19:17:38 +0100 | [diff] [blame] | 1396 | } while (++t < _nbt); \ |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1397 | if (_nbt == 1) { \ |
| 1398 | chunk_appendf(&trash, " %u\n", _tot); \ |
| 1399 | break; \ |
| 1400 | } \ |
| 1401 | chunk_appendf(&trash, " %u [", _tot); \ |
| 1402 | for (t = 0; t < _nbt; t++) \ |
| 1403 | chunk_appendf(&trash, " %u", _v[t]); \ |
| 1404 | chunk_appendf(&trash, " ]\n"); \ |
| 1405 | } while (0) |
| 1406 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1407 | #undef SHOW_AVG |
| 1408 | #define SHOW_AVG(t, x) \ |
| 1409 | do { \ |
| 1410 | unsigned int _v[MAX_THREADS]; \ |
| 1411 | unsigned int _tot; \ |
| 1412 | const unsigned int _nbt = global.nbthread; \ |
Willy Tarreau | b9aac36 | 2021-11-20 19:17:38 +0100 | [diff] [blame] | 1413 | _tot = t = 0; \ |
| 1414 | do { \ |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1415 | _tot += _v[t] = (x); \ |
Willy Tarreau | b9aac36 | 2021-11-20 19:17:38 +0100 | [diff] [blame] | 1416 | } while (++t < _nbt); \ |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1417 | if (_nbt == 1) { \ |
| 1418 | chunk_appendf(&trash, " %u\n", _tot); \ |
| 1419 | break; \ |
| 1420 | } \ |
| 1421 | chunk_appendf(&trash, " %u [", (_tot + _nbt/2) / _nbt); \ |
| 1422 | for (t = 0; t < _nbt; t++) \ |
| 1423 | chunk_appendf(&trash, " %u", _v[t]); \ |
| 1424 | chunk_appendf(&trash, " ]\n"); \ |
| 1425 | } while (0) |
| 1426 | |
Willy Tarreau | a0211b8 | 2019-05-28 15:09:08 +0200 | [diff] [blame] | 1427 | chunk_appendf(&trash, "thread_id: %u (%u..%u)\n", tid + 1, 1, global.nbthread); |
| 1428 | chunk_appendf(&trash, "date_now: %lu.%06lu\n", (long)now.tv_sec, (long)now.tv_usec); |
Willy Tarreau | a00cf9b | 2020-06-17 20:44:28 +0200 | [diff] [blame] | 1429 | chunk_appendf(&trash, "ctxsw:"); SHOW_TOT(thr, activity[thr].ctxsw); |
| 1430 | chunk_appendf(&trash, "tasksw:"); SHOW_TOT(thr, activity[thr].tasksw); |
| 1431 | chunk_appendf(&trash, "empty_rq:"); SHOW_TOT(thr, activity[thr].empty_rq); |
| 1432 | chunk_appendf(&trash, "long_rq:"); SHOW_TOT(thr, activity[thr].long_rq); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1433 | chunk_appendf(&trash, "loops:"); SHOW_TOT(thr, activity[thr].loops); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1434 | chunk_appendf(&trash, "wake_tasks:"); SHOW_TOT(thr, activity[thr].wake_tasks); |
| 1435 | chunk_appendf(&trash, "wake_signal:"); SHOW_TOT(thr, activity[thr].wake_signal); |
Willy Tarreau | e545153 | 2020-06-17 20:25:18 +0200 | [diff] [blame] | 1436 | chunk_appendf(&trash, "poll_io:"); SHOW_TOT(thr, activity[thr].poll_io); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1437 | chunk_appendf(&trash, "poll_exp:"); SHOW_TOT(thr, activity[thr].poll_exp); |
Willy Tarreau | e406386 | 2020-06-17 20:35:33 +0200 | [diff] [blame] | 1438 | chunk_appendf(&trash, "poll_drop_fd:"); SHOW_TOT(thr, activity[thr].poll_drop_fd); |
| 1439 | chunk_appendf(&trash, "poll_dead_fd:"); SHOW_TOT(thr, activity[thr].poll_dead_fd); |
| 1440 | chunk_appendf(&trash, "poll_skip_fd:"); SHOW_TOT(thr, activity[thr].poll_skip_fd); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1441 | chunk_appendf(&trash, "conn_dead:"); SHOW_TOT(thr, activity[thr].conn_dead); |
Willy Tarreau | 7af4fa9 | 2020-06-17 20:49:49 +0200 | [diff] [blame] | 1442 | chunk_appendf(&trash, "stream_calls:"); SHOW_TOT(thr, activity[thr].stream_calls); |
Willy Tarreau | a8b2ce0 | 2019-05-28 17:04:16 +0200 | [diff] [blame] | 1443 | chunk_appendf(&trash, "pool_fail:"); SHOW_TOT(thr, activity[thr].pool_fail); |
| 1444 | chunk_appendf(&trash, "buf_wait:"); SHOW_TOT(thr, activity[thr].buf_wait); |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1445 | chunk_appendf(&trash, "cpust_ms_tot:"); SHOW_TOT(thr, activity[thr].cpust_total / 2); |
| 1446 | chunk_appendf(&trash, "cpust_ms_1s:"); SHOW_TOT(thr, read_freq_ctr(&activity[thr].cpust_1s) / 2); |
| 1447 | chunk_appendf(&trash, "cpust_ms_15s:"); SHOW_TOT(thr, read_freq_ctr_period(&activity[thr].cpust_15s, 15000) / 2); |
| 1448 | chunk_appendf(&trash, "avg_loop_us:"); SHOW_AVG(thr, swrate_avg(activity[thr].avg_loop_us, TIME_STATS_SAMPLES)); |
| 1449 | chunk_appendf(&trash, "accepted:"); SHOW_TOT(thr, activity[thr].accepted); |
| 1450 | chunk_appendf(&trash, "accq_pushed:"); SHOW_TOT(thr, activity[thr].accq_pushed); |
| 1451 | chunk_appendf(&trash, "accq_full:"); SHOW_TOT(thr, activity[thr].accq_full); |
Willy Tarreau | e618284 | 2019-04-15 18:54:10 +0200 | [diff] [blame] | 1452 | #ifdef USE_THREAD |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1453 | chunk_appendf(&trash, "accq_ring:"); SHOW_TOT(thr, (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE) % ACCEPT_QUEUE_SIZE); |
Willy Tarreau | b159132 | 2020-06-29 14:17:59 +0200 | [diff] [blame] | 1454 | chunk_appendf(&trash, "fd_takeover:"); SHOW_TOT(thr, activity[thr].fd_takeover); |
Willy Tarreau | e618284 | 2019-04-15 18:54:10 +0200 | [diff] [blame] | 1455 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1456 | |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1457 | #if defined(DEBUG_DEV) |
| 1458 | /* keep these ones at the end */ |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1459 | chunk_appendf(&trash, "ctr0:"); SHOW_TOT(thr, activity[thr].ctr0); |
| 1460 | chunk_appendf(&trash, "ctr1:"); SHOW_TOT(thr, activity[thr].ctr1); |
| 1461 | chunk_appendf(&trash, "ctr2:"); SHOW_TOT(thr, activity[thr].ctr2); |
Willy Tarreau | d6a7850 | 2019-05-27 07:03:38 +0200 | [diff] [blame] | 1462 | #endif |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1463 | |
| 1464 | if (ci_putchk(si_ic(si), &trash) == -1) { |
| 1465 | chunk_reset(&trash); |
| 1466 | chunk_printf(&trash, "[output too large, cannot dump]\n"); |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1467 | si_rx_room_blk(si); |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1468 | } |
| 1469 | |
Willy Tarreau | d78d08f | 2019-05-28 16:32:06 +0200 | [diff] [blame] | 1470 | #undef SHOW_AVG |
| 1471 | #undef SHOW_TOT |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 1472 | /* dump complete */ |
| 1473 | return 1; |
| 1474 | } |
| 1475 | |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1476 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1477 | * CLI IO handler for `show cli sockets`. |
| 1478 | * Uses ctx.cli.p0 to store the restart pointer. |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1479 | */ |
| 1480 | static int cli_io_handler_show_cli_sock(struct appctx *appctx) |
| 1481 | { |
| 1482 | struct bind_conf *bind_conf; |
| 1483 | struct stream_interface *si = appctx->owner; |
| 1484 | |
| 1485 | chunk_reset(&trash); |
| 1486 | |
| 1487 | switch (appctx->st2) { |
| 1488 | case STAT_ST_INIT: |
| 1489 | chunk_printf(&trash, "# socket lvl processes\n"); |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1490 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1491 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1492 | return 0; |
| 1493 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1494 | appctx->st2 = STAT_ST_LIST; |
Tim Duesterhus | 588b314 | 2020-05-29 14:35:51 +0200 | [diff] [blame] | 1495 | /* fall through */ |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1496 | |
| 1497 | case STAT_ST_LIST: |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 1498 | if (global.cli_fe) { |
| 1499 | list_for_each_entry(bind_conf, &global.cli_fe->conf.bind, by_fe) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1500 | struct listener *l; |
| 1501 | |
| 1502 | /* |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1503 | * get the latest dumped node in appctx->ctx.cli.p0 |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1504 | * if the current node is the first of the list |
| 1505 | */ |
| 1506 | |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1507 | if (appctx->ctx.cli.p0 && |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 1508 | &bind_conf->by_fe == (&global.cli_fe->conf.bind)->n) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1509 | /* change the current node to the latest dumped and continue the loop */ |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1510 | bind_conf = LIST_ELEM(appctx->ctx.cli.p0, typeof(bind_conf), by_fe); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1511 | continue; |
| 1512 | } |
| 1513 | |
| 1514 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 1515 | |
| 1516 | char addr[46]; |
| 1517 | char port[6]; |
| 1518 | |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 1519 | if (l->rx.addr.ss_family == AF_UNIX) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1520 | const struct sockaddr_un *un; |
| 1521 | |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 1522 | un = (struct sockaddr_un *)&l->rx.addr; |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1523 | if (un->sun_path[0] == '\0') { |
William Lallemand | 75812a7 | 2019-04-01 11:30:04 +0200 | [diff] [blame] | 1524 | chunk_appendf(&trash, "abns@%s ", un->sun_path+1); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1525 | } else { |
| 1526 | chunk_appendf(&trash, "unix@%s ", un->sun_path); |
| 1527 | } |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 1528 | } else if (l->rx.addr.ss_family == AF_INET) { |
| 1529 | addr_to_str(&l->rx.addr, addr, sizeof(addr)); |
| 1530 | port_to_str(&l->rx.addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1531 | chunk_appendf(&trash, "ipv4@%s:%s ", addr, port); |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 1532 | } else if (l->rx.addr.ss_family == AF_INET6) { |
| 1533 | addr_to_str(&l->rx.addr, addr, sizeof(addr)); |
| 1534 | port_to_str(&l->rx.addr, port, sizeof(port)); |
William Lallemand | e58915f | 2019-04-01 11:30:05 +0200 | [diff] [blame] | 1535 | chunk_appendf(&trash, "ipv6@[%s]:%s ", addr, port); |
Willy Tarreau | 3715906 | 2020-08-27 07:48:42 +0200 | [diff] [blame] | 1536 | } else if (l->rx.addr.ss_family == AF_CUST_SOCKPAIR) { |
| 1537 | chunk_appendf(&trash, "sockpair@%d ", ((struct sockaddr_in *)&l->rx.addr)->sin_addr.s_addr); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1538 | } else |
William Lallemand | 2631434 | 2018-10-26 14:47:41 +0200 | [diff] [blame] | 1539 | chunk_appendf(&trash, "unknown "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1540 | |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1541 | if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1542 | chunk_appendf(&trash, "admin "); |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1543 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
| 1544 | chunk_appendf(&trash, "operator "); |
| 1545 | else if ((bind_conf->level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
| 1546 | chunk_appendf(&trash, "user "); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1547 | else |
| 1548 | chunk_appendf(&trash, " "); |
| 1549 | |
Willy Tarreau | e26993c | 2020-09-03 07:18:55 +0200 | [diff] [blame] | 1550 | if (bind_conf->settings.bind_proc != 0) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1551 | int pos; |
Willy Tarreau | e26993c | 2020-09-03 07:18:55 +0200 | [diff] [blame] | 1552 | for (pos = 0; pos < 8 * sizeof(bind_conf->settings.bind_proc); pos++) { |
| 1553 | if (bind_conf->settings.bind_proc & (1UL << pos)) { |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1554 | chunk_appendf(&trash, "%d,", pos+1); |
| 1555 | } |
| 1556 | } |
| 1557 | /* replace the latest comma by a newline */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1558 | trash.area[trash.data-1] = '\n'; |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1559 | |
| 1560 | } else { |
| 1561 | chunk_appendf(&trash, "all\n"); |
| 1562 | } |
| 1563 | |
Willy Tarreau | 06d80a9 | 2017-10-19 14:32:15 +0200 | [diff] [blame] | 1564 | if (ci_putchk(si_ic(si), &trash) == -1) { |
Willy Tarreau | db39843 | 2018-11-15 11:08:52 +0100 | [diff] [blame] | 1565 | si_rx_room_blk(si); |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1566 | return 0; |
| 1567 | } |
| 1568 | } |
Willy Tarreau | 3af9d83 | 2016-12-16 12:58:09 +0100 | [diff] [blame] | 1569 | appctx->ctx.cli.p0 = &bind_conf->by_fe; /* store the latest list node dumped */ |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1570 | } |
| 1571 | } |
Tim Duesterhus | 588b314 | 2020-05-29 14:35:51 +0200 | [diff] [blame] | 1572 | /* fall through */ |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1573 | default: |
| 1574 | appctx->st2 = STAT_ST_FIN; |
| 1575 | return 1; |
| 1576 | } |
| 1577 | } |
| 1578 | |
| 1579 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1580 | /* parse a "show env" CLI request. Returns 0 if it needs to continue, 1 if it |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1581 | * wants to stop here. It puts the variable to be dumped into cli.p0 if a single |
| 1582 | * variable is requested otherwise puts environ there. |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1583 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1584 | static int cli_parse_show_env(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1585 | { |
| 1586 | extern char **environ; |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1587 | char **var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1588 | |
| 1589 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1590 | return 1; |
| 1591 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1592 | var = environ; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1593 | |
| 1594 | if (*args[2]) { |
| 1595 | int len = strlen(args[2]); |
| 1596 | |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1597 | for (; *var; var++) { |
| 1598 | if (strncmp(*var, args[2], len) == 0 && |
| 1599 | (*var)[len] == '=') |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1600 | break; |
| 1601 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1602 | if (!*var) |
| 1603 | return cli_err(appctx, "Variable not found\n"); |
| 1604 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1605 | appctx->st2 = STAT_ST_END; |
| 1606 | } |
Willy Tarreau | f6710f8 | 2016-12-16 17:45:44 +0100 | [diff] [blame] | 1607 | appctx->ctx.cli.p0 = var; |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 1608 | return 0; |
| 1609 | } |
| 1610 | |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1611 | /* parse a "show fd" CLI request. Returns 0 if it needs to continue, 1 if it |
| 1612 | * wants to stop here. It puts the FD number into cli.i0 if a specific FD is |
| 1613 | * requested and sets st2 to STAT_ST_END, otherwise leaves 0 in i0. |
| 1614 | */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1615 | static int cli_parse_show_fd(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 7a4a0ac | 2017-07-25 19:32:50 +0200 | [diff] [blame] | 1616 | { |
| 1617 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) |
| 1618 | return 1; |
| 1619 | |
| 1620 | appctx->ctx.cli.i0 = 0; |
| 1621 | |
| 1622 | if (*args[2]) { |
| 1623 | appctx->ctx.cli.i0 = atoi(args[2]); |
| 1624 | appctx->st2 = STAT_ST_END; |
| 1625 | } |
| 1626 | return 0; |
| 1627 | } |
| 1628 | |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1629 | /* parse a "set timeout" CLI request. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1630 | static int cli_parse_set_timeout(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1631 | { |
| 1632 | struct stream_interface *si = appctx->owner; |
| 1633 | struct stream *s = si_strm(si); |
| 1634 | |
| 1635 | if (strcmp(args[2], "cli") == 0) { |
| 1636 | unsigned timeout; |
| 1637 | const char *res; |
| 1638 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1639 | if (!*args[3]) |
| 1640 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1641 | |
| 1642 | res = parse_time_err(args[3], &timeout, TIME_UNIT_S); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1643 | if (res || timeout < 1) |
| 1644 | return cli_err(appctx, "Invalid timeout value.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1645 | |
| 1646 | s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000); |
| 1647 | task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts |
| 1648 | return 1; |
| 1649 | } |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1650 | |
| 1651 | return cli_err(appctx, "'set timeout' only supports 'cli'.\n"); |
Willy Tarreau | 599852e | 2016-11-22 20:33:32 +0100 | [diff] [blame] | 1652 | } |
| 1653 | |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1654 | /* parse a "set maxconn global" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1655 | static int cli_parse_set_maxconn_global(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1656 | { |
| 1657 | int v; |
| 1658 | |
| 1659 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1660 | return 1; |
| 1661 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1662 | if (!*args[3]) |
| 1663 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1664 | |
| 1665 | v = atoi(args[3]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1666 | if (v > global.hardmaxconn) |
| 1667 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1668 | |
| 1669 | /* check for unlimited values */ |
| 1670 | if (v <= 0) |
| 1671 | v = global.hardmaxconn; |
| 1672 | |
| 1673 | global.maxconn = v; |
| 1674 | |
| 1675 | /* Dequeues all of the listeners waiting for a resource */ |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 1676 | dequeue_all_listeners(); |
Willy Tarreau | 2af9941 | 2016-11-23 11:10:59 +0100 | [diff] [blame] | 1677 | |
| 1678 | return 1; |
| 1679 | } |
| 1680 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1681 | static int set_severity_output(int *target, char *argument) |
| 1682 | { |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1683 | if (strcmp(argument, "none") == 0) { |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1684 | *target = CLI_SEVERITY_NONE; |
| 1685 | return 1; |
| 1686 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1687 | else if (strcmp(argument, "number") == 0) { |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1688 | *target = CLI_SEVERITY_NUMBER; |
| 1689 | return 1; |
| 1690 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1691 | else if (strcmp(argument, "string") == 0) { |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1692 | *target = CLI_SEVERITY_STRING; |
| 1693 | return 1; |
| 1694 | } |
| 1695 | return 0; |
| 1696 | } |
| 1697 | |
| 1698 | /* parse a "set severity-output" command. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1699 | static int cli_parse_set_severity_output(char **args, char *payload, struct appctx *appctx, void *private) |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1700 | { |
| 1701 | if (*args[2] && set_severity_output(&appctx->cli_severity_output, args[2])) |
| 1702 | return 0; |
| 1703 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1704 | return cli_err(appctx, "one of 'none', 'number', 'string' is a required argument\n"); |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1705 | } |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1706 | |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1707 | |
| 1708 | /* show the level of the current CLI session */ |
| 1709 | static int cli_parse_show_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1710 | { |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1711 | if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_ADMIN) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1712 | return cli_msg(appctx, LOG_INFO, "admin\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1713 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_OPER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1714 | return cli_msg(appctx, LOG_INFO, "operator\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1715 | else if ((appctx->cli_level & ACCESS_LVL_MASK) == ACCESS_LVL_USER) |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1716 | return cli_msg(appctx, LOG_INFO, "user\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1717 | else |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1718 | return cli_msg(appctx, LOG_INFO, "unknown\n"); |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1719 | } |
| 1720 | |
| 1721 | /* parse and set the CLI level dynamically */ |
| 1722 | static int cli_parse_set_lvl(char **args, char *payload, struct appctx *appctx, void *private) |
| 1723 | { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1724 | /* this will ask the applet to not output a \n after the command */ |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1725 | if (strcmp(args[1], "-") == 0) |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 1726 | appctx->st1 |= APPCTX_CLI_ST1_NOLF; |
| 1727 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1728 | if (strcmp(args[0], "operator") == 0) { |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1729 | if (!cli_has_level(appctx, ACCESS_LVL_OPER)) { |
| 1730 | return 1; |
| 1731 | } |
| 1732 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1733 | appctx->cli_level |= ACCESS_LVL_OPER; |
| 1734 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1735 | } else if (strcmp(args[0], "user") == 0) { |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1736 | if (!cli_has_level(appctx, ACCESS_LVL_USER)) { |
| 1737 | return 1; |
| 1738 | } |
| 1739 | appctx->cli_level &= ~ACCESS_LVL_MASK; |
| 1740 | appctx->cli_level |= ACCESS_LVL_USER; |
| 1741 | } |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1742 | appctx->cli_level &= ~(ACCESS_EXPERT|ACCESS_EXPERIMENTAL); |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1743 | return 1; |
| 1744 | } |
| 1745 | |
| 1746 | |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1747 | /* parse and set the CLI expert/experimental-mode dynamically */ |
| 1748 | static int cli_parse_expert_experimental_mode(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1749 | { |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1750 | int level; |
| 1751 | char *level_str; |
| 1752 | char *output = NULL; |
| 1753 | |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1754 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1755 | return 1; |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1756 | |
| 1757 | if (!strcmp(args[0], "expert-mode")) { |
| 1758 | level = ACCESS_EXPERT; |
| 1759 | level_str = "expert-mode"; |
| 1760 | } |
| 1761 | else if (!strcmp(args[0], "experimental-mode")) { |
| 1762 | level = ACCESS_EXPERIMENTAL; |
| 1763 | level_str = "experimental-mode"; |
| 1764 | } |
| 1765 | else { |
| 1766 | return 1; |
| 1767 | } |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1768 | |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1769 | if (!*args[1]) { |
| 1770 | memprintf(&output, "%s is %s\n", level_str, |
| 1771 | (appctx->cli_level & level) ? "ON" : "OFF"); |
| 1772 | return cli_dynmsg(appctx, LOG_INFO, output); |
| 1773 | } |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1774 | |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1775 | appctx->cli_level &= ~level; |
Willy Tarreau | abb9f9b | 2019-10-24 17:55:53 +0200 | [diff] [blame] | 1776 | if (strcmp(args[1], "on") == 0) |
Amaury Denoyelle | 18487fb | 2021-03-18 15:32:53 +0100 | [diff] [blame] | 1777 | appctx->cli_level |= level; |
William Lallemand | 67a234f | 2018-12-13 09:05:45 +0100 | [diff] [blame] | 1778 | return 1; |
| 1779 | } |
| 1780 | |
William Lallemand | 7ceae11 | 2021-12-14 15:22:29 +0100 | [diff] [blame] | 1781 | /* shows HAProxy version */ |
| 1782 | static int cli_parse_show_version(char **args, char *payload, struct appctx *appctx, void *private) |
| 1783 | { |
| 1784 | char *msg = NULL; |
| 1785 | |
| 1786 | return cli_dynmsg(appctx, LOG_INFO, memprintf(&msg, "%s\n", haproxy_version)); |
| 1787 | } |
| 1788 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1789 | int cli_parse_default(char **args, char *payload, struct appctx *appctx, void *private) |
William Lallemand | eceddf7 | 2016-12-15 18:06:44 +0100 | [diff] [blame] | 1790 | { |
| 1791 | return 0; |
| 1792 | } |
| 1793 | |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1794 | /* parse a "set rate-limit" command. It always returns 1. */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1795 | static int cli_parse_set_ratelimit(char **args, char *payload, struct appctx *appctx, void *private) |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1796 | { |
| 1797 | int v; |
| 1798 | int *res; |
| 1799 | int mul = 1; |
| 1800 | |
| 1801 | if (!cli_has_level(appctx, ACCESS_LVL_ADMIN)) |
| 1802 | return 1; |
| 1803 | |
| 1804 | if (strcmp(args[2], "connections") == 0 && strcmp(args[3], "global") == 0) |
| 1805 | res = &global.cps_lim; |
| 1806 | else if (strcmp(args[2], "sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1807 | res = &global.sps_lim; |
| 1808 | #ifdef USE_OPENSSL |
| 1809 | else if (strcmp(args[2], "ssl-sessions") == 0 && strcmp(args[3], "global") == 0) |
| 1810 | res = &global.ssl_lim; |
| 1811 | #endif |
| 1812 | else if (strcmp(args[2], "http-compression") == 0 && strcmp(args[3], "global") == 0) { |
| 1813 | res = &global.comp_rate_lim; |
| 1814 | mul = 1024; |
| 1815 | } |
| 1816 | else { |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1817 | return cli_err(appctx, |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1818 | "'set rate-limit' only supports :\n" |
| 1819 | " - 'connections global' to set the per-process maximum connection rate\n" |
| 1820 | " - 'sessions global' to set the per-process maximum session rate\n" |
| 1821 | #ifdef USE_OPENSSL |
Aurélien Nephtali | b53e208 | 2018-03-11 16:55:02 +0100 | [diff] [blame] | 1822 | " - 'ssl-sessions global' to set the per-process maximum SSL session rate\n" |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1823 | #endif |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1824 | " - 'http-compression global' to set the per-process maximum compression speed in kB/s\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1825 | } |
| 1826 | |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1827 | if (!*args[4]) |
| 1828 | return cli_err(appctx, "Expects an integer value.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1829 | |
| 1830 | v = atoi(args[4]); |
Willy Tarreau | 9d00869 | 2019-08-09 11:21:01 +0200 | [diff] [blame] | 1831 | if (v < 0) |
| 1832 | return cli_err(appctx, "Value out of range.\n"); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1833 | |
| 1834 | *res = v * mul; |
| 1835 | |
| 1836 | /* Dequeues all of the listeners waiting for a resource */ |
Willy Tarreau | 241797a | 2019-12-10 14:10:52 +0100 | [diff] [blame] | 1837 | dequeue_all_listeners(); |
Willy Tarreau | 45c742b | 2016-11-24 14:51:17 +0100 | [diff] [blame] | 1838 | |
| 1839 | return 1; |
| 1840 | } |
| 1841 | |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1842 | /* parse the "expose-fd" argument on the bind lines */ |
| 1843 | static int bind_parse_expose_fd(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1844 | { |
| 1845 | if (!*args[cur_arg + 1]) { |
| 1846 | memprintf(err, "'%s' : missing fd type", args[cur_arg]); |
| 1847 | return ERR_ALERT | ERR_FATAL; |
| 1848 | } |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1849 | if (strcmp(args[cur_arg + 1], "listeners") == 0) { |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1850 | conf->level |= ACCESS_FD_LISTENERS; |
| 1851 | } else { |
| 1852 | memprintf(err, "'%s' only supports 'listeners' (got '%s')", |
| 1853 | args[cur_arg], args[cur_arg+1]); |
| 1854 | return ERR_ALERT | ERR_FATAL; |
| 1855 | } |
| 1856 | |
| 1857 | return 0; |
| 1858 | } |
| 1859 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1860 | /* parse the "level" argument on the bind lines */ |
| 1861 | static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1862 | { |
| 1863 | if (!*args[cur_arg + 1]) { |
| 1864 | memprintf(err, "'%s' : missing level", args[cur_arg]); |
| 1865 | return ERR_ALERT | ERR_FATAL; |
| 1866 | } |
| 1867 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1868 | if (strcmp(args[cur_arg + 1], "user") == 0) { |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1869 | conf->level &= ~ACCESS_LVL_MASK; |
| 1870 | conf->level |= ACCESS_LVL_USER; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1871 | } else if (strcmp(args[cur_arg + 1], "operator") == 0) { |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1872 | conf->level &= ~ACCESS_LVL_MASK; |
| 1873 | conf->level |= ACCESS_LVL_OPER; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 1874 | } else if (strcmp(args[cur_arg + 1], "admin") == 0) { |
William Lallemand | 07a62f7 | 2017-05-24 00:57:40 +0200 | [diff] [blame] | 1875 | conf->level &= ~ACCESS_LVL_MASK; |
| 1876 | conf->level |= ACCESS_LVL_ADMIN; |
| 1877 | } else { |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 1878 | memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')", |
| 1879 | args[cur_arg], args[cur_arg+1]); |
| 1880 | return ERR_ALERT | ERR_FATAL; |
| 1881 | } |
| 1882 | |
| 1883 | return 0; |
| 1884 | } |
| 1885 | |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 1886 | static int bind_parse_severity_output(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err) |
| 1887 | { |
| 1888 | if (!*args[cur_arg + 1]) { |
| 1889 | memprintf(err, "'%s' : missing severity format", args[cur_arg]); |
| 1890 | return ERR_ALERT | ERR_FATAL; |
| 1891 | } |
| 1892 | |
| 1893 | if (set_severity_output(&conf->severity_output, args[cur_arg+1])) |
| 1894 | return 0; |
| 1895 | else { |
| 1896 | memprintf(err, "'%s' only supports 'none', 'number', and 'string' (got '%s')", |
| 1897 | args[cur_arg], args[cur_arg+1]); |
| 1898 | return ERR_ALERT | ERR_FATAL; |
| 1899 | } |
| 1900 | } |
| 1901 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1902 | /* Send all the bound sockets, always returns 1 */ |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 1903 | static int _getsocks(char **args, char *payload, struct appctx *appctx, void *private) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1904 | { |
| 1905 | char *cmsgbuf = NULL; |
| 1906 | unsigned char *tmpbuf = NULL; |
| 1907 | struct cmsghdr *cmsg; |
| 1908 | struct stream_interface *si = appctx->owner; |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1909 | struct stream *s = si_strm(si); |
Olivier Houchard | 9aaf778 | 2017-09-13 18:30:23 +0200 | [diff] [blame] | 1910 | struct connection *remote = cs_conn(objt_cs(si_opposite(si)->end)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1911 | struct msghdr msghdr; |
| 1912 | struct iovec iov; |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1913 | struct timeval tv = { .tv_sec = 1, .tv_usec = 0 }; |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 1914 | const char *ns_name, *if_name; |
| 1915 | unsigned char ns_nlen, if_nlen; |
| 1916 | int nb_queued; |
| 1917 | int cur_fd = 0; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1918 | int *tmpfd; |
| 1919 | int tot_fd_nb = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1920 | int fd = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1921 | int curoff = 0; |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1922 | int old_fcntl = -1; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1923 | int ret; |
| 1924 | |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 1925 | if (!remote) { |
| 1926 | ha_warning("Only works on real connections\n"); |
| 1927 | goto out; |
| 1928 | } |
| 1929 | |
| 1930 | fd = remote->handle.fd; |
| 1931 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1932 | /* Temporary set the FD in blocking mode, that will make our life easier */ |
| 1933 | old_fcntl = fcntl(fd, F_GETFL); |
| 1934 | if (old_fcntl < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1935 | ha_warning("Couldn't get the flags for the unix socket\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1936 | goto out; |
| 1937 | } |
| 1938 | cmsgbuf = malloc(CMSG_SPACE(sizeof(int) * MAX_SEND_FD)); |
| 1939 | if (!cmsgbuf) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1940 | ha_warning("Failed to allocate memory to send sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1941 | goto out; |
| 1942 | } |
| 1943 | if (fcntl(fd, F_SETFL, old_fcntl &~ O_NONBLOCK) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1944 | ha_warning("Cannot make the unix socket blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1945 | goto out; |
| 1946 | } |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1947 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1948 | iov.iov_base = &tot_fd_nb; |
| 1949 | iov.iov_len = sizeof(tot_fd_nb); |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 1950 | if (!(strm_li(s)->bind_conf->level & ACCESS_FD_LISTENERS)) |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1951 | goto out; |
| 1952 | memset(&msghdr, 0, sizeof(msghdr)); |
| 1953 | /* |
| 1954 | * First, calculates the total number of FD, so that we can let |
Jackie Tapia | 749f74c | 2020-07-22 18:59:40 -0500 | [diff] [blame] | 1955 | * the caller know how much it should expect. |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1956 | */ |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 1957 | for (cur_fd = 0;cur_fd < global.maxsock; cur_fd++) |
Willy Tarreau | 9063a66 | 2021-04-06 18:09:06 +0200 | [diff] [blame] | 1958 | tot_fd_nb += !!(fdtab[cur_fd].state & FD_EXPORTED); |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 1959 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1960 | if (tot_fd_nb == 0) |
| 1961 | goto out; |
| 1962 | |
| 1963 | /* First send the total number of file descriptors, so that the |
| 1964 | * receiving end knows what to expect. |
| 1965 | */ |
| 1966 | msghdr.msg_iov = &iov; |
| 1967 | msghdr.msg_iovlen = 1; |
| 1968 | ret = sendmsg(fd, &msghdr, 0); |
| 1969 | if (ret != sizeof(tot_fd_nb)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1970 | ha_warning("Failed to send the number of sockets to send\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1971 | goto out; |
| 1972 | } |
| 1973 | |
| 1974 | /* Now send the fds */ |
| 1975 | msghdr.msg_control = cmsgbuf; |
| 1976 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * MAX_SEND_FD); |
| 1977 | cmsg = CMSG_FIRSTHDR(&msghdr); |
| 1978 | cmsg->cmsg_len = CMSG_LEN(MAX_SEND_FD * sizeof(int)); |
| 1979 | cmsg->cmsg_level = SOL_SOCKET; |
| 1980 | cmsg->cmsg_type = SCM_RIGHTS; |
| 1981 | tmpfd = (int *)CMSG_DATA(cmsg); |
| 1982 | |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1983 | /* For each socket, e message is sent, containing the following : |
| 1984 | * Size of the namespace name (or 0 if none), as an unsigned char. |
| 1985 | * The namespace name, if any |
| 1986 | * Size of the interface name (or 0 if none), as an unsigned char |
| 1987 | * The interface name, if any |
Willy Tarreau | cf1f193 | 2020-08-26 10:30:09 +0200 | [diff] [blame] | 1988 | * 32 bits of zeroes (used to be listener options). |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1989 | */ |
| 1990 | /* We will send sockets MAX_SEND_FD per MAX_SEND_FD, allocate a |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 1991 | * buffer big enough to store the socket information. |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1992 | */ |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1993 | tmpbuf = malloc(MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int))); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1994 | if (tmpbuf == NULL) { |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 1995 | ha_warning("Failed to allocate memory to transfer socket information\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 1996 | goto out; |
| 1997 | } |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 1998 | |
| 1999 | nb_queued = 0; |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2000 | iov.iov_base = tmpbuf; |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2001 | for (cur_fd = 0; cur_fd < global.maxsock; cur_fd++) { |
Willy Tarreau | 9063a66 | 2021-04-06 18:09:06 +0200 | [diff] [blame] | 2002 | if (!(fdtab[cur_fd].state & FD_EXPORTED)) |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2003 | continue; |
| 2004 | |
| 2005 | ns_name = if_name = ""; |
| 2006 | ns_nlen = if_nlen = 0; |
| 2007 | |
| 2008 | /* for now we can only retrieve namespaces and interfaces from |
| 2009 | * pure listeners. |
| 2010 | */ |
Willy Tarreau | a74cb38 | 2020-10-15 21:29:49 +0200 | [diff] [blame] | 2011 | if (fdtab[cur_fd].iocb == sock_accept_iocb) { |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2012 | const struct listener *l = fdtab[cur_fd].owner; |
| 2013 | |
Willy Tarreau | 818a92e | 2020-09-03 07:50:19 +0200 | [diff] [blame] | 2014 | if (l->rx.settings->interface) { |
| 2015 | if_name = l->rx.settings->interface; |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2016 | if_nlen = strlen(if_name); |
| 2017 | } |
| 2018 | |
| 2019 | #ifdef USE_NS |
Willy Tarreau | 818a92e | 2020-09-03 07:50:19 +0200 | [diff] [blame] | 2020 | if (l->rx.settings->netns) { |
| 2021 | ns_name = l->rx.settings->netns->node.key; |
| 2022 | ns_nlen = l->rx.settings->netns->name_len; |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2023 | } |
| 2024 | #endif |
| 2025 | } |
| 2026 | |
| 2027 | /* put the FD into the CMSG_DATA */ |
| 2028 | tmpfd[nb_queued++] = cur_fd; |
| 2029 | |
| 2030 | /* first block is <ns_name_len> <ns_name> */ |
| 2031 | tmpbuf[curoff++] = ns_nlen; |
| 2032 | if (ns_nlen) |
| 2033 | memcpy(tmpbuf + curoff, ns_name, ns_nlen); |
| 2034 | curoff += ns_nlen; |
| 2035 | |
| 2036 | /* second block is <if_name_len> <if_name> */ |
| 2037 | tmpbuf[curoff++] = if_nlen; |
| 2038 | if (if_nlen) |
| 2039 | memcpy(tmpbuf + curoff, if_name, if_nlen); |
| 2040 | curoff += if_nlen; |
| 2041 | |
| 2042 | /* we used to send the listener options here before 2.3 */ |
| 2043 | memset(tmpbuf + curoff, 0, sizeof(int)); |
| 2044 | curoff += sizeof(int); |
| 2045 | |
| 2046 | /* there's a limit to how many FDs may be sent at once */ |
| 2047 | if (nb_queued == MAX_SEND_FD) { |
| 2048 | iov.iov_len = curoff; |
| 2049 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
| 2050 | ha_warning("Failed to transfer sockets\n"); |
| 2051 | return -1; |
| 2052 | } |
| 2053 | |
| 2054 | /* Wait for an ack */ |
| 2055 | do { |
| 2056 | ret = recv(fd, &tot_fd_nb, sizeof(tot_fd_nb), 0); |
| 2057 | } while (ret == -1 && errno == EINTR); |
| 2058 | |
| 2059 | if (ret <= 0) { |
| 2060 | ha_warning("Unexpected error while transferring sockets\n"); |
| 2061 | return -1; |
| 2062 | } |
| 2063 | curoff = 0; |
| 2064 | nb_queued = 0; |
| 2065 | } |
William Lallemand | 5fd3b28 | 2020-01-16 15:32:08 +0100 | [diff] [blame] | 2066 | } |
| 2067 | |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2068 | /* flush pending stuff */ |
| 2069 | if (nb_queued) { |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2070 | iov.iov_len = curoff; |
Willy Tarreau | b5a1f9e | 2020-08-19 17:03:55 +0200 | [diff] [blame] | 2071 | cmsg->cmsg_len = CMSG_LEN(nb_queued * sizeof(int)); |
| 2072 | msghdr.msg_controllen = CMSG_SPACE(nb_queued * sizeof(int)); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2073 | if (sendmsg(fd, &msghdr, 0) != curoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2074 | ha_warning("Failed to transfer sockets\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2075 | goto out; |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | out: |
Willy Tarreau | c2b7f80 | 2018-09-20 11:22:29 +0200 | [diff] [blame] | 2080 | if (fd >= 0 && old_fcntl >= 0 && fcntl(fd, F_SETFL, old_fcntl) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2081 | ha_warning("Cannot make the unix socket non-blocking\n"); |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2082 | goto out; |
| 2083 | } |
| 2084 | appctx->st0 = CLI_ST_END; |
| 2085 | free(cmsgbuf); |
| 2086 | free(tmpbuf); |
| 2087 | return 1; |
| 2088 | } |
| 2089 | |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2090 | static int cli_parse_simple(char **args, char *payload, struct appctx *appctx, void *private) |
| 2091 | { |
| 2092 | if (*args[0] == 'h') |
| 2093 | /* help */ |
Willy Tarreau | 0b1b830 | 2021-05-09 20:59:23 +0200 | [diff] [blame] | 2094 | cli_gen_usage_msg(appctx, args); |
Aurélien Nephtali | abbf607 | 2018-04-18 13:26:46 +0200 | [diff] [blame] | 2095 | else if (*args[0] == 'p') |
| 2096 | /* prompt */ |
| 2097 | appctx->st1 ^= APPCTX_CLI_ST1_PROMPT; |
| 2098 | else if (*args[0] == 'q') |
| 2099 | /* quit */ |
| 2100 | appctx->st0 = CLI_ST_END; |
| 2101 | |
| 2102 | return 1; |
| 2103 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2104 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 2105 | void pcli_write_prompt(struct stream *s) |
| 2106 | { |
| 2107 | struct buffer *msg = get_trash_chunk(); |
| 2108 | struct channel *oc = si_oc(&s->si[0]); |
| 2109 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2110 | if (!(s->pcli_flags & PCLI_F_PROMPT)) |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 2111 | return; |
| 2112 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2113 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2114 | chunk_appendf(msg, "+ "); |
| 2115 | } else { |
| 2116 | if (s->pcli_next_pid == 0) |
Willy Tarreau | 52880f9 | 2018-12-15 13:30:03 +0100 | [diff] [blame] | 2117 | chunk_appendf(msg, "master%s> ", |
| 2118 | (global.mode & MODE_MWORKER_WAIT) ? "[ReloadFailed]" : ""); |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2119 | else |
| 2120 | chunk_appendf(msg, "%d> ", s->pcli_next_pid); |
| 2121 | } |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 2122 | co_inject(oc, msg->area, msg->data); |
| 2123 | } |
| 2124 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2125 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2126 | /* The pcli_* functions are used for the CLI proxy in the master */ |
| 2127 | |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 2128 | void pcli_reply_and_close(struct stream *s, const char *msg) |
| 2129 | { |
| 2130 | struct buffer *buf = get_trash_chunk(); |
| 2131 | |
| 2132 | chunk_initstr(buf, msg); |
Willy Tarreau | 14bfe9a | 2018-12-19 15:19:27 +0100 | [diff] [blame] | 2133 | si_retnclose(&s->si[0], buf); |
William Lallemand | deeaa59 | 2018-10-26 14:47:48 +0200 | [diff] [blame] | 2134 | } |
| 2135 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2136 | static enum obj_type *pcli_pid_to_server(int proc_pid) |
| 2137 | { |
| 2138 | struct mworker_proc *child; |
| 2139 | |
William Lallemand | 99e0bb9 | 2020-11-05 10:28:53 +0100 | [diff] [blame] | 2140 | /* return the mCLI applet of the master */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2141 | if (proc_pid == 0) |
William Lallemand | 99e0bb9 | 2020-11-05 10:28:53 +0100 | [diff] [blame] | 2142 | return &mcli_applet.obj_type; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2143 | |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2144 | list_for_each_entry(child, &proc_list, list) { |
| 2145 | if (child->pid == proc_pid){ |
| 2146 | return &child->srv->obj_type; |
| 2147 | } |
| 2148 | } |
| 2149 | return NULL; |
| 2150 | } |
| 2151 | |
| 2152 | /* Take a CLI prefix in argument (eg: @!1234 @master @1) |
| 2153 | * Return: |
| 2154 | * 0: master |
| 2155 | * > 0: pid of a worker |
| 2156 | * < 0: didn't find a worker |
| 2157 | */ |
| 2158 | static int pcli_prefix_to_pid(const char *prefix) |
| 2159 | { |
| 2160 | int proc_pid; |
| 2161 | struct mworker_proc *child; |
| 2162 | char *errtol = NULL; |
| 2163 | |
| 2164 | if (*prefix != '@') /* not a prefix, should not happen */ |
| 2165 | return -1; |
| 2166 | |
| 2167 | prefix++; |
| 2168 | if (!*prefix) /* sent @ alone, return the master */ |
| 2169 | return 0; |
| 2170 | |
| 2171 | if (strcmp("master", prefix) == 0) { |
| 2172 | return 0; |
| 2173 | } else if (*prefix == '!') { |
| 2174 | prefix++; |
| 2175 | if (!*prefix) |
| 2176 | return -1; |
| 2177 | |
| 2178 | proc_pid = strtol(prefix, &errtol, 10); |
| 2179 | if (*errtol != '\0') |
| 2180 | return -1; |
| 2181 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 2182 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 2183 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2184 | if (child->pid == proc_pid){ |
| 2185 | return child->pid; |
| 2186 | } |
| 2187 | } |
| 2188 | } else { |
| 2189 | struct mworker_proc *chosen = NULL; |
| 2190 | /* this is a relative pid */ |
| 2191 | |
| 2192 | proc_pid = strtol(prefix, &errtol, 10); |
| 2193 | if (*errtol != '\0') |
| 2194 | return -1; |
| 2195 | |
| 2196 | if (proc_pid == 0) /* return the master */ |
| 2197 | return 0; |
| 2198 | |
| 2199 | /* chose the right process, the current one is the one with the |
| 2200 | least number of reloads */ |
| 2201 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8f7069a | 2019-04-12 16:09:23 +0200 | [diff] [blame] | 2202 | if (!(child->options & PROC_O_TYPE_WORKER)) |
William Lallemand | 16dd1b3 | 2018-11-19 18:46:18 +0100 | [diff] [blame] | 2203 | continue; |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2204 | if (child->relative_pid == proc_pid){ |
| 2205 | if (child->reloads == 0) |
| 2206 | return child->pid; |
| 2207 | else if (chosen == NULL || child->reloads < chosen->reloads) |
| 2208 | chosen = child; |
| 2209 | } |
| 2210 | } |
| 2211 | if (chosen) |
| 2212 | return chosen->pid; |
| 2213 | } |
| 2214 | return -1; |
| 2215 | } |
| 2216 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2217 | /* Return:: |
| 2218 | * >= 0 : number of words to escape |
| 2219 | * = -1 : error |
| 2220 | */ |
| 2221 | |
| 2222 | int pcli_find_and_exec_kw(struct stream *s, char **args, int argl, char **errmsg, int *next_pid) |
| 2223 | { |
| 2224 | if (argl < 1) |
| 2225 | return 0; |
| 2226 | |
| 2227 | /* there is a prefix */ |
| 2228 | if (args[0][0] == '@') { |
| 2229 | int target_pid = pcli_prefix_to_pid(args[0]); |
| 2230 | |
| 2231 | if (target_pid == -1) { |
| 2232 | memprintf(errmsg, "Can't find the target PID matching the prefix '%s'\n", args[0]); |
| 2233 | return -1; |
| 2234 | } |
| 2235 | |
| 2236 | /* if the prefix is alone, define a default target */ |
| 2237 | if (argl == 1) |
| 2238 | s->pcli_next_pid = target_pid; |
| 2239 | else |
| 2240 | *next_pid = target_pid; |
| 2241 | return 1; |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 2242 | } else if (strcmp("prompt", args[0]) == 0) { |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2243 | s->pcli_flags ^= PCLI_F_PROMPT; |
William Lallemand | 5b80fa2 | 2018-12-11 16:10:54 +0100 | [diff] [blame] | 2244 | return argl; /* return the number of elements in the array */ |
William Lallemand | 5f61068 | 2018-12-11 16:10:55 +0100 | [diff] [blame] | 2245 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 2246 | } else if (strcmp("quit", args[0]) == 0) { |
William Lallemand | 5f61068 | 2018-12-11 16:10:55 +0100 | [diff] [blame] | 2247 | channel_shutr_now(&s->req); |
| 2248 | channel_shutw_now(&s->res); |
| 2249 | return argl; /* return the number of elements in the array */ |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 2250 | } else if (strcmp(args[0], "operator") == 0) { |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2251 | if (!pcli_has_level(s, ACCESS_LVL_OPER)) { |
| 2252 | memprintf(errmsg, "Permission denied!\n"); |
| 2253 | return -1; |
| 2254 | } |
| 2255 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 2256 | s->pcli_flags |= ACCESS_LVL_OPER; |
| 2257 | return argl; |
| 2258 | |
Tim Duesterhus | e5ff141 | 2021-01-02 22:31:53 +0100 | [diff] [blame] | 2259 | } else if (strcmp(args[0], "user") == 0) { |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2260 | if (!pcli_has_level(s, ACCESS_LVL_USER)) { |
| 2261 | memprintf(errmsg, "Permission denied!\n"); |
| 2262 | return -1; |
| 2263 | } |
| 2264 | s->pcli_flags &= ~ACCESS_LVL_MASK; |
| 2265 | s->pcli_flags |= ACCESS_LVL_USER; |
| 2266 | return argl; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2267 | } |
| 2268 | |
| 2269 | return 0; |
| 2270 | } |
| 2271 | |
| 2272 | /* |
| 2273 | * Parse the CLI request: |
| 2274 | * - It does basically the same as the cli_io_handler, but as a proxy |
| 2275 | * - It can exec a command and strip non forwardable commands |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2276 | * |
| 2277 | * Return: |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2278 | * - the number of characters to forward or |
| 2279 | * - 1 if there is an error or not enough data |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2280 | */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2281 | int pcli_parse_request(struct stream *s, struct channel *req, char **errmsg, int *next_pid) |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2282 | { |
Willy Tarreau | ad5bf14 | 2022-01-20 08:47:35 +0100 | [diff] [blame] | 2283 | char *str; |
| 2284 | char *end; |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 2285 | char *args[MAX_CLI_ARGS + 1]; /* +1 for storing a NULL */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2286 | int argl; /* number of args */ |
| 2287 | char *p; |
| 2288 | char *trim = NULL; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2289 | char *payload = NULL; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2290 | int wtrim = 0; /* number of words to trim */ |
| 2291 | int reql = 0; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2292 | int ret; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2293 | int i = 0; |
| 2294 | |
Willy Tarreau | ad5bf14 | 2022-01-20 08:47:35 +0100 | [diff] [blame] | 2295 | /* we cannot deal with a wrapping buffer, so let's take care of this |
| 2296 | * first. |
| 2297 | */ |
| 2298 | if (b_head(&req->buf) + b_data(&req->buf) > b_wrap(&req->buf)) |
| 2299 | b_slow_realign(&req->buf, trash.area, co_data(req)); |
| 2300 | |
| 2301 | str = (char *)ci_head(req); |
| 2302 | end = (char *)ci_stop(req); |
| 2303 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2304 | p = str; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2305 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2306 | if (!(s->pcli_flags & PCLI_F_PAYLOAD)) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2307 | |
| 2308 | /* Looks for the end of one command */ |
| 2309 | while (p+reql < end) { |
| 2310 | /* handle escaping */ |
| 2311 | if (p[reql] == '\\') { |
William Lallemand | 02c255e | 2020-06-18 18:45:04 +0200 | [diff] [blame] | 2312 | reql+=2; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2313 | continue; |
| 2314 | } |
| 2315 | if (p[reql] == ';' || p[reql] == '\n') { |
| 2316 | /* found the end of the command */ |
| 2317 | p[reql] = '\n'; |
| 2318 | reql++; |
| 2319 | break; |
| 2320 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2321 | reql++; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2322 | } |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2323 | } else { |
| 2324 | while (p+reql < end) { |
| 2325 | if (p[reql] == '\n') { |
| 2326 | /* found the end of the line */ |
| 2327 | reql++; |
| 2328 | break; |
| 2329 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2330 | reql++; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2331 | } |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2332 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2333 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2334 | /* set end to first byte after the end of the command */ |
| 2335 | end = p + reql; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2336 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2337 | /* there is no end to this command, need more to parse ! */ |
Willy Tarreau | 9b736eb | 2022-01-20 08:31:50 +0100 | [diff] [blame] | 2338 | if (!reql || *(end-1) != '\n') { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2339 | return -1; |
| 2340 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2341 | |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2342 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
| 2343 | if (reql == 1) /* last line of the payload */ |
| 2344 | s->pcli_flags &= ~PCLI_F_PAYLOAD; |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2345 | return reql; |
| 2346 | } |
| 2347 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2348 | *(end-1) = '\0'; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2349 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2350 | /* splits the command in words */ |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 2351 | while (i < MAX_CLI_ARGS && p < end) { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2352 | /* skip leading spaces/tabs */ |
| 2353 | p += strspn(p, " \t"); |
| 2354 | if (!*p) |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2355 | break; |
| 2356 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2357 | args[i] = p; |
William Lallemand | fe249c3 | 2020-06-18 18:03:57 +0200 | [diff] [blame] | 2358 | while (1) { |
| 2359 | p += strcspn(p, " \t\\"); |
| 2360 | /* escaped chars using backlashes (\) */ |
| 2361 | if (*p == '\\') { |
| 2362 | if (!*++p) |
| 2363 | break; |
| 2364 | if (!*++p) |
| 2365 | break; |
| 2366 | } else { |
| 2367 | break; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2368 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2369 | } |
William Lallemand | fe249c3 | 2020-06-18 18:03:57 +0200 | [diff] [blame] | 2370 | *p++ = 0; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2371 | i++; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2372 | } |
| 2373 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2374 | argl = i; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2375 | |
Willy Tarreau | f14c757 | 2021-03-13 10:59:23 +0100 | [diff] [blame] | 2376 | for (; i < MAX_CLI_ARGS + 1; i++) |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2377 | args[i] = NULL; |
| 2378 | |
| 2379 | wtrim = pcli_find_and_exec_kw(s, args, argl, errmsg, next_pid); |
| 2380 | |
| 2381 | /* End of words are ending by \0, we need to replace the \0s by spaces |
| 2382 | 1 before forwarding them */ |
| 2383 | p = str; |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2384 | while (p < end-1) { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2385 | if (*p == '\0') |
| 2386 | *p = ' '; |
| 2387 | p++; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2388 | } |
| 2389 | |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2390 | payload = strstr(str, PAYLOAD_PATTERN); |
| 2391 | if ((end - 1) == (payload + strlen(PAYLOAD_PATTERN))) { |
| 2392 | /* if the payload pattern is at the end */ |
| 2393 | s->pcli_flags |= PCLI_F_PAYLOAD; |
William Lallemand | 3301f3e | 2018-12-13 09:05:48 +0100 | [diff] [blame] | 2394 | } |
| 2395 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2396 | *(end-1) = '\n'; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2397 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2398 | if (wtrim > 0) { |
| 2399 | trim = &args[wtrim][0]; |
| 2400 | if (trim == NULL) /* if this was the last word in the table */ |
| 2401 | trim = end; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2402 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2403 | b_del(&req->buf, trim - str); |
| 2404 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2405 | ret = end - trim; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2406 | } else if (wtrim < 0) { |
| 2407 | /* parsing error */ |
| 2408 | return -1; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2409 | } else { |
| 2410 | /* the whole string */ |
| 2411 | ret = end - str; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2412 | } |
| 2413 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2414 | if (ret > 1) { |
| 2415 | if (pcli_has_level(s, ACCESS_LVL_ADMIN)) { |
| 2416 | goto end; |
| 2417 | } else if (pcli_has_level(s, ACCESS_LVL_OPER)) { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 2418 | ci_insert_line2(req, 0, "operator -", strlen("operator -")); |
| 2419 | ret += strlen("operator -") + 2; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2420 | } else if (pcli_has_level(s, ACCESS_LVL_USER)) { |
William Lallemand | ad03288 | 2019-07-01 10:56:15 +0200 | [diff] [blame] | 2421 | ci_insert_line2(req, 0, "user -", strlen("user -")); |
| 2422 | ret += strlen("user -") + 2; |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2423 | } |
| 2424 | } |
| 2425 | end: |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2426 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2427 | return ret; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2428 | } |
| 2429 | |
| 2430 | int pcli_wait_for_request(struct stream *s, struct channel *req, int an_bit) |
| 2431 | { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2432 | int next_pid = -1; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2433 | int to_forward; |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2434 | char *errmsg = NULL; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2435 | |
Christopher Faulet | be41671 | 2021-10-18 14:52:49 +0200 | [diff] [blame] | 2436 | /* Don't read the next command if still processing the reponse of the |
| 2437 | * current one. Just wait. At this stage, errors should be handled by |
| 2438 | * the response analyzer. |
| 2439 | */ |
| 2440 | if (s->res.analysers & AN_RES_WAIT_CLI) |
| 2441 | return 0; |
| 2442 | |
William Lallemand | b7ea141 | 2018-12-13 09:05:47 +0100 | [diff] [blame] | 2443 | if ((s->pcli_flags & ACCESS_LVL_MASK) == ACCESS_LVL_NONE) |
| 2444 | s->pcli_flags |= strm_li(s)->bind_conf->level & ACCESS_LVL_MASK; |
| 2445 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2446 | read_again: |
| 2447 | /* if the channel is closed for read, we won't receive any more data |
| 2448 | from the client, but we don't want to forward this close to the |
| 2449 | server */ |
| 2450 | channel_dont_close(req); |
| 2451 | |
| 2452 | /* We don't know yet to which server we will connect */ |
| 2453 | channel_dont_connect(req); |
| 2454 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2455 | req->flags |= CF_READ_DONTWAIT; |
| 2456 | |
| 2457 | /* need more data */ |
| 2458 | if (!ci_data(req)) |
Christopher Faulet | c8c4e3f | 2022-01-18 08:44:23 +0100 | [diff] [blame] | 2459 | goto missing_data; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2460 | |
| 2461 | /* If there is data available for analysis, log the end of the idle time. */ |
| 2462 | if (c_data(req) && s->logs.t_idle == -1) |
| 2463 | s->logs.t_idle = tv_ms_elapsed(&s->logs.tv_accept, &now) - s->logs.t_handshake; |
| 2464 | |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2465 | to_forward = pcli_parse_request(s, req, &errmsg, &next_pid); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2466 | if (to_forward > 0) { |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2467 | int target_pid; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2468 | /* enough data */ |
| 2469 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2470 | /* forward only 1 command */ |
| 2471 | channel_forward(req, to_forward); |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2472 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2473 | if (!(s->pcli_flags & PCLI_F_PAYLOAD)) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2474 | /* we send only 1 command per request, and we write close after it */ |
| 2475 | channel_shutw_now(req); |
| 2476 | } else { |
| 2477 | pcli_write_prompt(s); |
| 2478 | } |
| 2479 | |
| 2480 | s->res.flags |= CF_WAKE_ONCE; /* need to be called again */ |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2481 | s->res.analysers |= AN_RES_WAIT_CLI; |
| 2482 | |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2483 | if (!(s->flags & SF_ASSIGNED)) { |
| 2484 | if (next_pid > -1) |
| 2485 | target_pid = next_pid; |
| 2486 | else |
| 2487 | target_pid = s->pcli_next_pid; |
| 2488 | /* we can connect now */ |
| 2489 | s->target = pcli_pid_to_server(target_pid); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2490 | |
William Lallemand | dd29e89 | 2021-12-10 14:14:53 +0100 | [diff] [blame] | 2491 | if (!s->target) |
| 2492 | goto server_disconnect; |
| 2493 | |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2494 | s->flags |= (SF_DIRECT | SF_ASSIGNED); |
| 2495 | channel_auto_connect(req); |
| 2496 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2497 | |
| 2498 | } else if (to_forward == 0) { |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2499 | /* we trimmed things but we might have other commands to consume */ |
William Lallemand | bddd33a | 2018-12-11 16:10:53 +0100 | [diff] [blame] | 2500 | pcli_write_prompt(s); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2501 | goto read_again; |
Christopher Faulet | c8c4e3f | 2022-01-18 08:44:23 +0100 | [diff] [blame] | 2502 | } else if (to_forward == -1) { |
| 2503 | if (errmsg) { |
| 2504 | /* there was an error during the parsing */ |
| 2505 | pcli_reply_and_close(s, errmsg); |
| 2506 | s->req.analysers &= ~AN_REQ_WAIT_CLI; |
| 2507 | return 0; |
| 2508 | } |
| 2509 | goto missing_data; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2510 | } |
| 2511 | |
| 2512 | return 0; |
| 2513 | |
| 2514 | send_help: |
| 2515 | b_reset(&req->buf); |
| 2516 | b_putblk(&req->buf, "help\n", 5); |
| 2517 | goto read_again; |
William Lallemand | dd29e89 | 2021-12-10 14:14:53 +0100 | [diff] [blame] | 2518 | |
Christopher Faulet | c8c4e3f | 2022-01-18 08:44:23 +0100 | [diff] [blame] | 2519 | missing_data: |
| 2520 | if (req->flags & CF_SHUTR) { |
| 2521 | /* There is no more request or a only a partial one and we |
| 2522 | * receive a close from the client, we can leave */ |
| 2523 | channel_shutw_now(&s->res); |
| 2524 | s->req.analysers &= ~AN_REQ_WAIT_CLI; |
| 2525 | return 1; |
| 2526 | } |
| 2527 | else if (channel_full(req, global.tune.maxrewrite)) { |
| 2528 | /* buffer is full and we didn't catch the end of a command */ |
| 2529 | goto send_help; |
| 2530 | } |
| 2531 | return 0; |
| 2532 | |
William Lallemand | dd29e89 | 2021-12-10 14:14:53 +0100 | [diff] [blame] | 2533 | server_disconnect: |
| 2534 | pcli_reply_and_close(s, "Can't connect to the target CLI!\n"); |
| 2535 | return 0; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2536 | } |
| 2537 | |
| 2538 | int pcli_wait_for_response(struct stream *s, struct channel *rep, int an_bit) |
| 2539 | { |
| 2540 | struct proxy *fe = strm_fe(s); |
| 2541 | struct proxy *be = s->be; |
| 2542 | |
William Lallemand | 6b7cd0a | 2018-11-06 17:37:11 +0100 | [diff] [blame] | 2543 | if (rep->flags & CF_READ_ERROR) { |
| 2544 | pcli_reply_and_close(s, "Can't connect to the target CLI!\n"); |
Christopher Faulet | be41671 | 2021-10-18 14:52:49 +0200 | [diff] [blame] | 2545 | s->req.analysers &= ~AN_REQ_WAIT_CLI; |
William Lallemand | 6b7cd0a | 2018-11-06 17:37:11 +0100 | [diff] [blame] | 2546 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2547 | return 0; |
| 2548 | } |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2549 | rep->flags |= CF_READ_DONTWAIT; /* try to get back here ASAP */ |
| 2550 | rep->flags |= CF_NEVER_WAIT; |
| 2551 | |
| 2552 | /* don't forward the close */ |
| 2553 | channel_dont_close(&s->res); |
| 2554 | channel_dont_close(&s->req); |
| 2555 | |
William Lallemand | dc12c2e | 2018-12-13 09:05:46 +0100 | [diff] [blame] | 2556 | if (s->pcli_flags & PCLI_F_PAYLOAD) { |
William Lallemand | ebf6180 | 2018-12-11 16:10:57 +0100 | [diff] [blame] | 2557 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2558 | s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */ |
| 2559 | return 0; |
| 2560 | } |
| 2561 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2562 | /* forward the data */ |
| 2563 | if (ci_data(rep)) { |
| 2564 | c_adv(rep, ci_data(rep)); |
| 2565 | return 0; |
| 2566 | } |
| 2567 | |
| 2568 | if ((rep->flags & (CF_SHUTR|CF_READ_NULL))) { |
| 2569 | /* stream cleanup */ |
| 2570 | |
William Lallemand | 2f4ce20 | 2018-10-26 14:47:47 +0200 | [diff] [blame] | 2571 | pcli_write_prompt(s); |
| 2572 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2573 | s->si[1].flags |= SI_FL_NOLINGER | SI_FL_NOHALF; |
| 2574 | si_shutr(&s->si[1]); |
| 2575 | si_shutw(&s->si[1]); |
| 2576 | |
| 2577 | /* |
| 2578 | * starting from there this the same code as |
| 2579 | * http_end_txn_clean_session(). |
| 2580 | * |
| 2581 | * It allows to do frontend keepalive while reconnecting to a |
| 2582 | * new server for each request. |
| 2583 | */ |
| 2584 | |
| 2585 | if (s->flags & SF_BE_ASSIGNED) { |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2586 | HA_ATOMIC_DEC(&be->beconn); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2587 | if (unlikely(s->srv_conn)) |
| 2588 | sess_change_server(s, NULL); |
| 2589 | } |
| 2590 | |
| 2591 | s->logs.t_close = tv_ms_elapsed(&s->logs.tv_accept, &now); |
| 2592 | stream_process_counters(s); |
| 2593 | |
| 2594 | /* don't count other requests' data */ |
| 2595 | s->logs.bytes_in -= ci_data(&s->req); |
| 2596 | s->logs.bytes_out -= ci_data(&s->res); |
| 2597 | |
| 2598 | /* we may need to know the position in the queue */ |
| 2599 | pendconn_free(s); |
| 2600 | |
| 2601 | /* let's do a final log if we need it */ |
| 2602 | if (!LIST_ISEMPTY(&fe->logformat) && s->logs.logwait && |
| 2603 | !(s->flags & SF_MONITOR) && |
| 2604 | (!(fe->options & PR_O_NULLNOLOG) || s->req.total)) { |
| 2605 | s->do_log(s); |
| 2606 | } |
| 2607 | |
| 2608 | /* stop tracking content-based counters */ |
| 2609 | stream_stop_content_counters(s); |
| 2610 | stream_update_time_stats(s); |
| 2611 | |
| 2612 | s->logs.accept_date = date; /* user-visible date for logging */ |
| 2613 | s->logs.tv_accept = now; /* corrected date for internal use */ |
| 2614 | s->logs.t_handshake = 0; /* There are no handshake in keep alive connection. */ |
| 2615 | s->logs.t_idle = -1; |
| 2616 | tv_zero(&s->logs.tv_request); |
| 2617 | s->logs.t_queue = -1; |
| 2618 | s->logs.t_connect = -1; |
| 2619 | s->logs.t_data = -1; |
| 2620 | s->logs.t_close = 0; |
| 2621 | s->logs.prx_queue_pos = 0; /* we get the number of pending conns before us */ |
| 2622 | s->logs.srv_queue_pos = 0; /* we will get this number soon */ |
| 2623 | |
| 2624 | s->logs.bytes_in = s->req.total = ci_data(&s->req); |
| 2625 | s->logs.bytes_out = s->res.total = ci_data(&s->res); |
| 2626 | |
| 2627 | stream_del_srv_conn(s); |
| 2628 | if (objt_server(s->target)) { |
| 2629 | if (s->flags & SF_CURR_SESS) { |
| 2630 | s->flags &= ~SF_CURR_SESS; |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2631 | HA_ATOMIC_DEC(&__objt_server(s->target)->cur_sess); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2632 | } |
Willy Tarreau | b54c40a | 2018-12-02 19:28:41 +0100 | [diff] [blame] | 2633 | if (may_dequeue_tasks(__objt_server(s->target), be)) |
Amaury Denoyelle | caaafd0 | 2021-06-18 11:11:36 +0200 | [diff] [blame] | 2634 | process_srv_queue(__objt_server(s->target), 0); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2635 | } |
| 2636 | |
| 2637 | s->target = NULL; |
| 2638 | |
| 2639 | /* only release our endpoint if we don't intend to reuse the |
| 2640 | * connection. |
| 2641 | */ |
| 2642 | if (!si_conn_ready(&s->si[1])) { |
| 2643 | si_release_endpoint(&s->si[1]); |
| 2644 | s->srv_conn = NULL; |
| 2645 | } |
| 2646 | |
Willy Tarreau | 1c8d32b | 2019-07-18 15:47:45 +0200 | [diff] [blame] | 2647 | sockaddr_free(&s->target_addr); |
| 2648 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2649 | s->si[1].state = s->si[1].prev_state = SI_ST_INI; |
| 2650 | s->si[1].err_type = SI_ET_NONE; |
| 2651 | s->si[1].conn_retries = 0; /* used for logging too */ |
| 2652 | s->si[1].exp = TICK_ETERNITY; |
| 2653 | s->si[1].flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */ |
Christopher Faulet | 22dc248 | 2019-07-16 14:43:08 +0200 | [diff] [blame] | 2654 | s->req.flags &= ~(CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CONNECT|CF_WRITE_ERROR|CF_STREAMER|CF_STREAMER_FAST|CF_NEVER_WAIT|CF_WROTE_DATA); |
William Lallemand | 1933801 | 2019-06-25 18:00:19 +0200 | [diff] [blame] | 2655 | s->res.flags &= ~(CF_SHUTR|CF_SHUTR_NOW|CF_READ_ATTACHED|CF_READ_ERROR|CF_READ_NOEXP|CF_STREAMER|CF_STREAMER_FAST|CF_WRITE_PARTIAL|CF_NEVER_WAIT|CF_WROTE_DATA|CF_READ_NULL); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2656 | s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST); |
| 2657 | s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED); |
| 2658 | s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP); |
| 2659 | /* reinitialise the current rule list pointer to NULL. We are sure that |
| 2660 | * any rulelist match the NULL pointer. |
| 2661 | */ |
| 2662 | s->current_rule_list = NULL; |
| 2663 | |
| 2664 | s->be = strm_fe(s); |
| 2665 | s->logs.logwait = strm_fe(s)->to_log; |
| 2666 | s->logs.level = 0; |
| 2667 | stream_del_srv_conn(s); |
| 2668 | s->target = NULL; |
| 2669 | /* re-init store persistence */ |
| 2670 | s->store_count = 0; |
| 2671 | s->uniq_id = global.req_count++; |
| 2672 | |
| 2673 | s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */ |
| 2674 | |
| 2675 | s->req.flags |= CF_WAKE_ONCE; /* need to be called again if there is some command left in the request */ |
| 2676 | |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2677 | s->res.analysers &= ~AN_RES_WAIT_CLI; |
| 2678 | |
| 2679 | /* We must trim any excess data from the response buffer, because we |
| 2680 | * may have blocked an invalid response from a server that we don't |
Ilya Shipitsin | d425950 | 2020-04-08 01:07:56 +0500 | [diff] [blame] | 2681 | * want to accidentally forward once we disable the analysers, nor do |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2682 | * we want those data to come along with next response. A typical |
| 2683 | * example of such data would be from a buggy server responding to |
| 2684 | * a HEAD with some data, or sending more than the advertised |
| 2685 | * content-length. |
| 2686 | */ |
| 2687 | if (unlikely(ci_data(&s->res))) |
| 2688 | b_set_data(&s->res.buf, co_data(&s->res)); |
| 2689 | |
| 2690 | /* Now we can realign the response buffer */ |
| 2691 | c_realign_if_empty(&s->res); |
| 2692 | |
| 2693 | s->req.rto = strm_fe(s)->timeout.client; |
| 2694 | s->req.wto = TICK_ETERNITY; |
| 2695 | |
| 2696 | s->res.rto = TICK_ETERNITY; |
| 2697 | s->res.wto = strm_fe(s)->timeout.client; |
| 2698 | |
| 2699 | s->req.rex = TICK_ETERNITY; |
| 2700 | s->req.wex = TICK_ETERNITY; |
| 2701 | s->req.analyse_exp = TICK_ETERNITY; |
| 2702 | s->res.rex = TICK_ETERNITY; |
| 2703 | s->res.wex = TICK_ETERNITY; |
| 2704 | s->res.analyse_exp = TICK_ETERNITY; |
| 2705 | s->si[1].hcto = TICK_ETERNITY; |
| 2706 | |
| 2707 | /* we're removing the analysers, we MUST re-enable events detection. |
| 2708 | * We don't enable close on the response channel since it's either |
| 2709 | * already closed, or in keep-alive with an idle connection handler. |
| 2710 | */ |
| 2711 | channel_auto_read(&s->req); |
| 2712 | channel_auto_close(&s->req); |
| 2713 | channel_auto_read(&s->res); |
| 2714 | |
| 2715 | |
| 2716 | return 1; |
| 2717 | } |
| 2718 | return 0; |
| 2719 | } |
| 2720 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2721 | /* |
| 2722 | * The mworker functions are used to initialize the CLI in the master process |
| 2723 | */ |
| 2724 | |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2725 | /* |
| 2726 | * Stop the mworker proxy |
| 2727 | */ |
| 2728 | void mworker_cli_proxy_stop() |
| 2729 | { |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 2730 | if (mworker_proxy) |
| 2731 | stop_proxy(mworker_proxy); |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 2732 | } |
| 2733 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2734 | /* |
| 2735 | * Create the mworker CLI proxy |
| 2736 | */ |
| 2737 | int mworker_cli_proxy_create() |
| 2738 | { |
| 2739 | struct mworker_proc *child; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2740 | char *msg = NULL; |
| 2741 | char *errmsg = NULL; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2742 | |
| 2743 | mworker_proxy = calloc(1, sizeof(*mworker_proxy)); |
| 2744 | if (!mworker_proxy) |
| 2745 | return -1; |
| 2746 | |
| 2747 | init_new_proxy(mworker_proxy); |
| 2748 | mworker_proxy->next = proxies_list; |
| 2749 | proxies_list = mworker_proxy; |
| 2750 | mworker_proxy->id = strdup("MASTER"); |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2751 | mworker_proxy->mode = PR_MODE_CLI; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2752 | mworker_proxy->last_change = now.tv_sec; |
| 2753 | mworker_proxy->cap = PR_CAP_LISTEN; /* this is a listen section */ |
| 2754 | mworker_proxy->maxconn = 10; /* default to 10 concurrent connections */ |
| 2755 | mworker_proxy->timeout.client = 0; /* no timeout */ |
| 2756 | mworker_proxy->conf.file = strdup("MASTER"); |
| 2757 | mworker_proxy->conf.line = 0; |
| 2758 | mworker_proxy->accept = frontend_accept; |
| 2759 | mworker_proxy-> lbprm.algo = BE_LB_ALGO_NONE; |
| 2760 | |
| 2761 | /* Does not init the default target the CLI applet, but must be done in |
| 2762 | * the request parsing code */ |
| 2763 | mworker_proxy->default_target = NULL; |
| 2764 | |
| 2765 | /* the check_config_validity() will get an ID for the proxy */ |
| 2766 | mworker_proxy->uuid = -1; |
| 2767 | |
| 2768 | proxy_store_name(mworker_proxy); |
| 2769 | |
| 2770 | /* create all servers using the mworker_proc list */ |
| 2771 | list_for_each_entry(child, &proc_list, list) { |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2772 | struct server *newsrv = NULL; |
| 2773 | struct sockaddr_storage *sk; |
| 2774 | int port1, port2, port; |
| 2775 | struct protocol *proto; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2776 | |
William Lallemand | a31b09e | 2020-01-14 15:25:02 +0100 | [diff] [blame] | 2777 | /* only the workers support the master CLI */ |
| 2778 | if (!(child->options & PROC_O_TYPE_WORKER)) |
| 2779 | continue; |
| 2780 | |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2781 | newsrv = new_server(mworker_proxy); |
| 2782 | if (!newsrv) |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2783 | goto error; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2784 | |
| 2785 | /* we don't know the new pid yet */ |
| 2786 | if (child->pid == -1) |
| 2787 | memprintf(&msg, "cur-%d", child->relative_pid); |
| 2788 | else |
| 2789 | memprintf(&msg, "old-%d", child->pid); |
| 2790 | |
| 2791 | newsrv->next = mworker_proxy->srv; |
| 2792 | mworker_proxy->srv = newsrv; |
| 2793 | newsrv->conf.file = strdup(msg); |
| 2794 | newsrv->id = strdup(msg); |
| 2795 | newsrv->conf.line = 0; |
| 2796 | |
| 2797 | memprintf(&msg, "sockpair@%d", child->ipc_fd[0]); |
Willy Tarreau | 5fc9328 | 2020-09-16 18:25:03 +0200 | [diff] [blame] | 2798 | if ((sk = str2sa_range(msg, &port, &port1, &port2, NULL, &proto, |
Willy Tarreau | a93e5c7 | 2020-09-15 14:01:16 +0200 | [diff] [blame] | 2799 | &errmsg, NULL, NULL, PA_O_STREAM)) == 0) { |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2800 | goto error; |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2801 | } |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 2802 | ha_free(&msg); |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2803 | |
Willy Tarreau | 5fc9328 | 2020-09-16 18:25:03 +0200 | [diff] [blame] | 2804 | if (!proto->connect) { |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2805 | goto error; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2806 | } |
| 2807 | |
| 2808 | /* no port specified */ |
| 2809 | newsrv->flags |= SRV_F_MAPPORTS; |
| 2810 | newsrv->addr = *sk; |
William Lallemand | cf62f7e | 2018-10-26 14:47:40 +0200 | [diff] [blame] | 2811 | /* don't let the server participate to load balancing */ |
| 2812 | newsrv->iweight = 0; |
| 2813 | newsrv->uweight = 0; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2814 | srv_lb_commit_status(newsrv); |
William Lallemand | 291810d | 2018-10-26 14:47:38 +0200 | [diff] [blame] | 2815 | |
| 2816 | child->srv = newsrv; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2817 | } |
| 2818 | return 0; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2819 | |
| 2820 | error: |
| 2821 | ha_alert("%s\n", errmsg); |
| 2822 | |
| 2823 | list_for_each_entry(child, &proc_list, list) { |
| 2824 | free((char *)child->srv->conf.file); /* cast because of const char * */ |
| 2825 | free(child->srv->id); |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 2826 | ha_free(&child->srv); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2827 | } |
| 2828 | free(mworker_proxy->id); |
| 2829 | free(mworker_proxy->conf.file); |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 2830 | ha_free(&mworker_proxy); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2831 | free(errmsg); |
| 2832 | free(msg); |
| 2833 | |
| 2834 | return -1; |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 2835 | } |
Olivier Houchard | f886e34 | 2017-04-05 22:24:59 +0200 | [diff] [blame] | 2836 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2837 | /* |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2838 | * Create a new listener for the master CLI proxy |
| 2839 | */ |
| 2840 | int mworker_cli_proxy_new_listener(char *line) |
| 2841 | { |
| 2842 | struct bind_conf *bind_conf; |
| 2843 | struct listener *l; |
| 2844 | char *err = NULL; |
| 2845 | char *args[MAX_LINE_ARGS + 1]; |
| 2846 | int arg; |
| 2847 | int cur_arg; |
| 2848 | |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2849 | arg = 1; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2850 | args[0] = line; |
| 2851 | |
| 2852 | /* args is a bind configuration with spaces replaced by commas */ |
| 2853 | while (*line && arg < MAX_LINE_ARGS) { |
| 2854 | |
| 2855 | if (*line == ',') { |
| 2856 | *line++ = '\0'; |
| 2857 | while (*line == ',') |
| 2858 | line++; |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2859 | args[arg++] = line; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2860 | } |
| 2861 | line++; |
| 2862 | } |
| 2863 | |
William Lallemand | 2e945c8 | 2019-11-25 09:58:37 +0100 | [diff] [blame] | 2864 | args[arg] = "\0"; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2865 | |
| 2866 | bind_conf = bind_conf_alloc(mworker_proxy, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2867 | if (!bind_conf) |
| 2868 | goto err; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2869 | |
| 2870 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2871 | bind_conf->level |= ACCESS_LVL_ADMIN; |
Willy Tarreau | e283ee6 | 2021-03-12 15:00:57 +0100 | [diff] [blame] | 2872 | bind_conf->level |= ACCESS_MASTER | ACCESS_MASTER_ONLY; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2873 | |
| 2874 | if (!str2listener(args[0], mworker_proxy, bind_conf, "master-socket", 0, &err)) { |
| 2875 | ha_alert("Cannot create the listener of the master CLI\n"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2876 | goto err; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2877 | } |
| 2878 | |
| 2879 | cur_arg = 1; |
| 2880 | |
| 2881 | while (*args[cur_arg]) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2882 | struct bind_kw *kw; |
Willy Tarreau | 433b05f | 2021-03-12 10:14:07 +0100 | [diff] [blame] | 2883 | const char *best; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2884 | |
| 2885 | kw = bind_find_kw(args[cur_arg]); |
| 2886 | if (kw) { |
| 2887 | if (!kw->parse) { |
| 2888 | memprintf(&err, "'%s %s' : '%s' option is not implemented in this version (check build options).", |
| 2889 | args[0], args[1], args[cur_arg]); |
| 2890 | goto err; |
| 2891 | } |
| 2892 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2893 | if (kw->parse(args, cur_arg, global.cli_fe, bind_conf, &err) != 0) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2894 | if (err) |
| 2895 | memprintf(&err, "'%s %s' : '%s'", args[0], args[1], err); |
| 2896 | else |
| 2897 | memprintf(&err, "'%s %s' : error encountered while processing '%s'", |
| 2898 | args[0], args[1], args[cur_arg]); |
| 2899 | goto err; |
| 2900 | } |
| 2901 | |
| 2902 | cur_arg += 1 + kw->skip; |
| 2903 | continue; |
| 2904 | } |
| 2905 | |
Willy Tarreau | 433b05f | 2021-03-12 10:14:07 +0100 | [diff] [blame] | 2906 | best = bind_find_best_kw(args[cur_arg]); |
| 2907 | if (best) |
| 2908 | memprintf(&err, "'%s %s' : unknown keyword '%s'. Did you mean '%s' maybe ?", |
| 2909 | args[0], args[1], args[cur_arg], best); |
| 2910 | else |
| 2911 | memprintf(&err, "'%s %s' : unknown keyword '%s'.", |
| 2912 | args[0], args[1], args[cur_arg]); |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2913 | goto err; |
| 2914 | } |
| 2915 | |
| 2916 | |
| 2917 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2918 | l->accept = session_accept_fd; |
| 2919 | l->default_target = mworker_proxy->default_target; |
| 2920 | /* don't make the peers subject to global limits and don't close it in the master */ |
Willy Tarreau | 18c20d2 | 2020-10-09 16:11:46 +0200 | [diff] [blame] | 2921 | l->options |= LI_O_UNLIMITED; |
| 2922 | l->rx.flags |= RX_F_MWORKER; /* we are keeping this FD in the master */ |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2923 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2924 | global.maxsock++; /* for the listening socket */ |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2925 | } |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2926 | global.maxsock += mworker_proxy->maxconn; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2927 | |
| 2928 | return 0; |
| 2929 | |
| 2930 | err: |
| 2931 | ha_alert("%s\n", err); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2932 | free(err); |
| 2933 | free(bind_conf); |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 2934 | return -1; |
| 2935 | |
| 2936 | } |
| 2937 | |
| 2938 | /* |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2939 | * Create a new CLI socket using a socketpair for a worker process |
| 2940 | * <mworker_proc> is the process structure, and <proc> is the process number |
| 2941 | */ |
| 2942 | int mworker_cli_sockpair_new(struct mworker_proc *mworker_proc, int proc) |
| 2943 | { |
| 2944 | struct bind_conf *bind_conf; |
| 2945 | struct listener *l; |
| 2946 | char *path = NULL; |
| 2947 | char *err = NULL; |
| 2948 | |
| 2949 | /* master pipe to ensure the master is still alive */ |
| 2950 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, mworker_proc->ipc_fd) < 0) { |
| 2951 | ha_alert("Cannot create worker socketpair.\n"); |
| 2952 | return -1; |
| 2953 | } |
| 2954 | |
| 2955 | /* XXX: we might want to use a separate frontend at some point */ |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2956 | if (!global.cli_fe) { |
| 2957 | if ((global.cli_fe = cli_alloc_fe("GLOBAL", "master-socket", 0)) == NULL) { |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2958 | ha_alert("out of memory trying to allocate the stats frontend"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2959 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2960 | } |
| 2961 | } |
| 2962 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2963 | bind_conf = bind_conf_alloc(global.cli_fe, "master-socket", 0, "", xprt_get(XPRT_RAW)); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2964 | if (!bind_conf) |
| 2965 | goto error; |
| 2966 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2967 | bind_conf->level &= ~ACCESS_LVL_MASK; |
| 2968 | bind_conf->level |= ACCESS_LVL_ADMIN; /* TODO: need to lower the rights with a CLI keyword*/ |
| 2969 | |
Willy Tarreau | e26993c | 2020-09-03 07:18:55 +0200 | [diff] [blame] | 2970 | bind_conf->settings.bind_proc = 1UL << proc; |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2971 | global.cli_fe->bind_proc = 0; /* XXX: we should be careful with that, it can be removed by configuration */ |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2972 | |
| 2973 | if (!memprintf(&path, "sockpair@%d", mworker_proc->ipc_fd[1])) { |
| 2974 | ha_alert("Cannot allocate listener.\n"); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2975 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2976 | } |
| 2977 | |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2978 | if (!str2listener(path, global.cli_fe, bind_conf, "master-socket", 0, &err)) { |
Tim Duesterhus | 4cae3b2 | 2018-11-22 16:46:50 +0100 | [diff] [blame] | 2979 | free(path); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2980 | ha_alert("Cannot create a CLI sockpair listener for process #%d\n", proc); |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2981 | goto error; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2982 | } |
Willy Tarreau | 61cfdf4 | 2021-02-20 10:46:51 +0100 | [diff] [blame] | 2983 | ha_free(&path); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2984 | |
| 2985 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2986 | l->accept = session_accept_fd; |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 2987 | l->default_target = global.cli_fe->default_target; |
William Lallemand | a337229 | 2018-11-16 16:57:22 +0100 | [diff] [blame] | 2988 | l->options |= (LI_O_UNLIMITED | LI_O_NOSTOP); |
Willy Tarreau | 4781b15 | 2021-04-06 13:53:36 +0200 | [diff] [blame] | 2989 | HA_ATOMIC_INC(&unstoppable_jobs); |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2990 | /* it's a sockpair but we don't want to keep the fd in the master */ |
Willy Tarreau | 43046fa | 2020-09-01 15:41:59 +0200 | [diff] [blame] | 2991 | l->rx.flags &= ~RX_F_INHERITED; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2992 | l->nice = -64; /* we want to boost priority for local stats */ |
Willy Tarreau | 18215cb | 2019-02-27 16:25:28 +0100 | [diff] [blame] | 2993 | global.maxsock++; /* for the listening socket */ |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2994 | } |
| 2995 | |
| 2996 | return 0; |
William Lallemand | 744a089 | 2018-11-22 16:46:51 +0100 | [diff] [blame] | 2997 | |
| 2998 | error: |
| 2999 | close(mworker_proc->ipc_fd[0]); |
| 3000 | close(mworker_proc->ipc_fd[1]); |
| 3001 | free(err); |
| 3002 | |
| 3003 | return -1; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 3004 | } |
| 3005 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3006 | static struct applet cli_applet = { |
| 3007 | .obj_type = OBJ_TYPE_APPLET, |
| 3008 | .name = "<CLI>", /* used for logging */ |
| 3009 | .fct = cli_io_handler, |
| 3010 | .release = cli_release_handler, |
| 3011 | }; |
| 3012 | |
William Lallemand | 99e0bb9 | 2020-11-05 10:28:53 +0100 | [diff] [blame] | 3013 | /* master CLI */ |
| 3014 | static struct applet mcli_applet = { |
| 3015 | .obj_type = OBJ_TYPE_APPLET, |
| 3016 | .name = "<MCLI>", /* used for logging */ |
| 3017 | .fct = cli_io_handler, |
| 3018 | .release = cli_release_handler, |
| 3019 | }; |
| 3020 | |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 3021 | /* register cli keywords */ |
| 3022 | static struct cli_kw_list cli_kws = {{ },{ |
Willy Tarreau | b205bfd | 2021-05-07 11:38:37 +0200 | [diff] [blame] | 3023 | { { "help", NULL }, NULL, cli_parse_simple, NULL, NULL, NULL, ACCESS_MASTER }, |
| 3024 | { { "prompt", NULL }, NULL, cli_parse_simple, NULL, NULL, NULL, ACCESS_MASTER }, |
| 3025 | { { "quit", NULL }, NULL, cli_parse_simple, NULL, NULL, NULL, ACCESS_MASTER }, |
| 3026 | { { "_getsocks", NULL }, NULL, _getsocks, NULL }, |
| 3027 | { { "expert-mode", NULL }, NULL, cli_parse_expert_experimental_mode, NULL }, // not listed |
| 3028 | { { "experimental-mode", NULL }, NULL, cli_parse_expert_experimental_mode, NULL }, // not listed |
| 3029 | { { "set", "maxconn", "global", NULL }, "set maxconn global <value> : change the per-process maxconn setting", cli_parse_set_maxconn_global, NULL }, |
| 3030 | { { "set", "rate-limit", NULL }, "set rate-limit <setting> <value> : change a rate limiting value", cli_parse_set_ratelimit, NULL }, |
| 3031 | { { "set", "severity-output", NULL }, "set severity-output [none|number|string]: set presence of severity level in feedback information", cli_parse_set_severity_output, NULL, NULL }, |
| 3032 | { { "set", "timeout", NULL }, "set timeout [cli] <delay> : change a timeout setting", cli_parse_set_timeout, NULL, NULL }, |
| 3033 | { { "show", "env", NULL }, "show env [var] : dump environment variables known to the process", cli_parse_show_env, cli_io_handler_show_env, NULL }, |
| 3034 | { { "show", "cli", "sockets", NULL }, "show cli sockets : dump list of cli sockets", cli_parse_default, cli_io_handler_show_cli_sock, NULL, NULL, ACCESS_MASTER }, |
| 3035 | { { "show", "cli", "level", NULL }, "show cli level : display the level of the current CLI session", cli_parse_show_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
| 3036 | { { "show", "fd", NULL }, "show fd [num] : dump list of file descriptors in use or a specific one", cli_parse_show_fd, cli_io_handler_show_fd, NULL }, |
| 3037 | { { "show", "activity", NULL }, "show activity : show per-thread activity stats (for support/developers)", cli_parse_default, cli_io_handler_show_activity, NULL }, |
William Lallemand | 7ceae11 | 2021-12-14 15:22:29 +0100 | [diff] [blame] | 3038 | { { "show", "version", NULL }, "show version : show version of the current process", cli_parse_show_version, NULL, NULL, NULL, ACCESS_MASTER }, |
Willy Tarreau | b205bfd | 2021-05-07 11:38:37 +0200 | [diff] [blame] | 3039 | { { "operator", NULL }, "operator : lower the level of the current CLI session to operator", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
| 3040 | { { "user", NULL }, "user : lower the level of the current CLI session to user", cli_parse_set_lvl, NULL, NULL, NULL, ACCESS_MASTER}, |
Willy Tarreau | 0a73929 | 2016-11-22 20:21:23 +0100 | [diff] [blame] | 3041 | {{},} |
| 3042 | }}; |
| 3043 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3044 | INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws); |
| 3045 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3046 | static struct cfg_kw_list cfg_kws = {ILH, { |
Willy Tarreau | 4975d14 | 2021-03-13 11:00:33 +0100 | [diff] [blame] | 3047 | { CFG_GLOBAL, "stats", cli_parse_global }, |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3048 | { 0, NULL, NULL }, |
| 3049 | }}; |
| 3050 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3051 | INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws); |
| 3052 | |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3053 | static struct bind_kw_list bind_kws = { "STAT", { }, { |
William Lallemand | f6975e9 | 2017-05-26 17:42:10 +0200 | [diff] [blame] | 3054 | { "level", bind_parse_level, 1 }, /* set the unix socket admin level */ |
| 3055 | { "expose-fd", bind_parse_expose_fd, 1 }, /* set the unix socket expose fd rights */ |
Andjelko Iharos | c4df59e | 2017-07-20 11:59:48 +0200 | [diff] [blame] | 3056 | { "severity-output", bind_parse_severity_output, 1 }, /* set the severity output format */ |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3057 | { NULL, NULL, 0 }, |
| 3058 | }}; |
| 3059 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3060 | INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws); |
William Lallemand | 74c24fb | 2016-11-21 17:18:36 +0100 | [diff] [blame] | 3061 | |
| 3062 | /* |
| 3063 | * Local variables: |
| 3064 | * c-indent-level: 8 |
| 3065 | * c-basic-offset: 8 |
| 3066 | * End: |
| 3067 | */ |