Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1 | /* |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 2 | * Sample management functions. |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 3 | * |
| 4 | * Copyright 2009-2010 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 5 | * Copyright (C) 2012 Willy Tarreau <w@1wt.eu> |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 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 | |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 14 | #include <ctype.h> |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 15 | #include <string.h> |
| 16 | #include <arpa/inet.h> |
Willy Tarreau | dd2f85e | 2012-09-02 22:34:23 +0200 | [diff] [blame] | 17 | #include <stdio.h> |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 18 | |
Willy Tarreau | 7e2c647 | 2012-10-29 20:44:36 +0100 | [diff] [blame] | 19 | #include <types/global.h> |
| 20 | |
Willy Tarreau | c7e4238 | 2012-08-24 19:22:53 +0200 | [diff] [blame] | 21 | #include <common/chunk.h> |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 22 | #include <common/hash.h> |
Willy Tarreau | 35b51c6 | 2018-09-10 15:38:55 +0200 | [diff] [blame] | 23 | #include <common/http.h> |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 24 | #include <common/initcall.h> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 25 | #include <common/standard.h> |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 26 | #include <common/uri_auth.h> |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 27 | #include <common/base64.h> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 28 | |
Willy Tarreau | 9fcb984 | 2012-04-20 14:45:49 +0200 | [diff] [blame] | 29 | #include <proto/arg.h> |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 30 | #include <proto/auth.h> |
| 31 | #include <proto/log.h> |
| 32 | #include <proto/proxy.h> |
Frédéric Lécaille | fd95c62 | 2019-02-26 14:09:08 +0100 | [diff] [blame] | 33 | #include <proto/protocol_buffers.h> |
Willy Tarreau | cd3b094 | 2012-04-27 21:52:18 +0200 | [diff] [blame] | 34 | #include <proto/sample.h> |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 35 | #include <proto/stick_table.h> |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 36 | #include <proto/vars.h> |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 37 | |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 38 | #include <import/sha1.h> |
Thierry FOURNIER | 01e0974 | 2016-12-26 11:46:11 +0100 | [diff] [blame] | 39 | #include <import/xxhash.h> |
| 40 | |
Willy Tarreau | 1cf8f08 | 2014-02-07 12:14:54 +0100 | [diff] [blame] | 41 | /* sample type names */ |
| 42 | const char *smp_to_type[SMP_TYPES] = { |
Thierry FOURNIER | 9c627e8 | 2015-06-03 20:12:35 +0200 | [diff] [blame] | 43 | [SMP_T_ANY] = "any", |
Willy Tarreau | 1cf8f08 | 2014-02-07 12:14:54 +0100 | [diff] [blame] | 44 | [SMP_T_BOOL] = "bool", |
Willy Tarreau | 1cf8f08 | 2014-02-07 12:14:54 +0100 | [diff] [blame] | 45 | [SMP_T_SINT] = "sint", |
| 46 | [SMP_T_ADDR] = "addr", |
| 47 | [SMP_T_IPV4] = "ipv4", |
| 48 | [SMP_T_IPV6] = "ipv6", |
| 49 | [SMP_T_STR] = "str", |
| 50 | [SMP_T_BIN] = "bin", |
Thierry FOURNIER | 4c2479e | 2015-06-03 20:12:04 +0200 | [diff] [blame] | 51 | [SMP_T_METH] = "meth", |
Willy Tarreau | 1cf8f08 | 2014-02-07 12:14:54 +0100 | [diff] [blame] | 52 | }; |
| 53 | |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 54 | /* static sample used in sample_process() when <p> is NULL */ |
Emeric Brun | e5c918b | 2017-06-14 14:15:36 +0200 | [diff] [blame] | 55 | static THREAD_LOCAL struct sample temp_smp; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 56 | |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 57 | /* list head of all known sample fetch keywords */ |
| 58 | static struct sample_fetch_kw_list sample_fetches = { |
| 59 | .list = LIST_HEAD_INIT(sample_fetches.list) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 60 | }; |
| 61 | |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 62 | /* list head of all known sample format conversion keywords */ |
| 63 | static struct sample_conv_kw_list sample_convs = { |
| 64 | .list = LIST_HEAD_INIT(sample_convs.list) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 65 | }; |
| 66 | |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 67 | const unsigned int fetch_cap[SMP_SRC_ENTRIES] = { |
| 68 | [SMP_SRC_INTRN] = (SMP_VAL_FE_CON_ACC | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 69 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 70 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 71 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 72 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 73 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 74 | SMP_VAL_FE_LOG_END), |
| 75 | |
| 76 | [SMP_SRC_LISTN] = (SMP_VAL_FE_CON_ACC | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 77 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 78 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 79 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 80 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 81 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 82 | SMP_VAL_FE_LOG_END), |
| 83 | |
| 84 | [SMP_SRC_FTEND] = (SMP_VAL_FE_CON_ACC | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 85 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 86 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 87 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 88 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 89 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 90 | SMP_VAL_FE_LOG_END), |
| 91 | |
| 92 | [SMP_SRC_L4CLI] = (SMP_VAL_FE_CON_ACC | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 93 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 94 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 95 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 96 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 97 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 98 | SMP_VAL_FE_LOG_END), |
| 99 | |
| 100 | [SMP_SRC_L5CLI] = (SMP_VAL___________ | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 101 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 102 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 103 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 104 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 105 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 106 | SMP_VAL_FE_LOG_END), |
| 107 | |
| 108 | [SMP_SRC_TRACK] = (SMP_VAL_FE_CON_ACC | SMP_VAL_FE_SES_ACC | SMP_VAL_FE_REQ_CNT | |
| 109 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 110 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 111 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 112 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 113 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 114 | SMP_VAL_FE_LOG_END), |
| 115 | |
| 116 | [SMP_SRC_L6REQ] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_FE_REQ_CNT | |
| 117 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 118 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 119 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL___________ | |
| 120 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 121 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 122 | SMP_VAL___________), |
| 123 | |
| 124 | [SMP_SRC_HRQHV] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_FE_REQ_CNT | |
| 125 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 126 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 127 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL___________ | |
| 128 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 129 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 130 | SMP_VAL___________), |
| 131 | |
| 132 | [SMP_SRC_HRQHP] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_FE_REQ_CNT | |
| 133 | SMP_VAL_FE_HRQ_HDR | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 134 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 135 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 136 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 137 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 138 | SMP_VAL_FE_LOG_END), |
| 139 | |
| 140 | [SMP_SRC_HRQBO] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 141 | SMP_VAL___________ | SMP_VAL_FE_HRQ_BDY | SMP_VAL_FE_SET_BCK | |
| 142 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 143 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL___________ | |
| 144 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 145 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 146 | SMP_VAL___________), |
| 147 | |
| 148 | [SMP_SRC_BKEND] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 149 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 150 | SMP_VAL_BE_REQ_CNT | SMP_VAL_BE_HRQ_HDR | SMP_VAL_BE_HRQ_BDY | |
| 151 | SMP_VAL_BE_SET_SRV | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 152 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 153 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 154 | SMP_VAL_FE_LOG_END), |
| 155 | |
| 156 | [SMP_SRC_SERVR] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 157 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 158 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 159 | SMP_VAL___________ | SMP_VAL_BE_SRV_CON | SMP_VAL_BE_RES_CNT | |
| 160 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 161 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 162 | SMP_VAL_FE_LOG_END), |
| 163 | |
| 164 | [SMP_SRC_L4SRV] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 165 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 166 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 167 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_BE_RES_CNT | |
| 168 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 169 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 170 | SMP_VAL_FE_LOG_END), |
| 171 | |
| 172 | [SMP_SRC_L5SRV] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 173 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 174 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 175 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_BE_RES_CNT | |
| 176 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 177 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 178 | SMP_VAL_FE_LOG_END), |
| 179 | |
| 180 | [SMP_SRC_L6RES] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 181 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 182 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 183 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_BE_RES_CNT | |
| 184 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 185 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 186 | SMP_VAL___________), |
| 187 | |
| 188 | [SMP_SRC_HRSHV] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 189 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 190 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 191 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_BE_RES_CNT | |
| 192 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 193 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 194 | SMP_VAL___________), |
| 195 | |
| 196 | [SMP_SRC_HRSHP] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 197 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 198 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 199 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL_BE_RES_CNT | |
| 200 | SMP_VAL_BE_HRS_HDR | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 201 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 202 | SMP_VAL_FE_LOG_END), |
| 203 | |
| 204 | [SMP_SRC_HRSBO] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 205 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 206 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 207 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 208 | SMP_VAL___________ | SMP_VAL_BE_HRS_BDY | SMP_VAL_BE_STO_RUL | |
| 209 | SMP_VAL_FE_RES_CNT | SMP_VAL_FE_HRS_HDR | SMP_VAL_FE_HRS_BDY | |
| 210 | SMP_VAL___________), |
| 211 | |
| 212 | [SMP_SRC_RQFIN] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 213 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 214 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 215 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 216 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 217 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 218 | SMP_VAL_FE_LOG_END), |
| 219 | |
| 220 | [SMP_SRC_RSFIN] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 221 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 222 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 223 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 224 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 225 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 226 | SMP_VAL_FE_LOG_END), |
| 227 | |
| 228 | [SMP_SRC_TXFIN] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 229 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 230 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 231 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 232 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 233 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 234 | SMP_VAL_FE_LOG_END), |
| 235 | |
| 236 | [SMP_SRC_SSFIN] = (SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 237 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 238 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 239 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 240 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 241 | SMP_VAL___________ | SMP_VAL___________ | SMP_VAL___________ | |
| 242 | SMP_VAL_FE_LOG_END), |
| 243 | }; |
| 244 | |
| 245 | static const char *fetch_src_names[SMP_SRC_ENTRIES] = { |
| 246 | [SMP_SRC_INTRN] = "internal state", |
| 247 | [SMP_SRC_LISTN] = "listener", |
| 248 | [SMP_SRC_FTEND] = "frontend", |
| 249 | [SMP_SRC_L4CLI] = "client address", |
| 250 | [SMP_SRC_L5CLI] = "client-side connection", |
| 251 | [SMP_SRC_TRACK] = "track counters", |
| 252 | [SMP_SRC_L6REQ] = "request buffer", |
| 253 | [SMP_SRC_HRQHV] = "HTTP request headers", |
| 254 | [SMP_SRC_HRQHP] = "HTTP request", |
| 255 | [SMP_SRC_HRQBO] = "HTTP request body", |
| 256 | [SMP_SRC_BKEND] = "backend", |
| 257 | [SMP_SRC_SERVR] = "server", |
| 258 | [SMP_SRC_L4SRV] = "server address", |
| 259 | [SMP_SRC_L5SRV] = "server-side connection", |
| 260 | [SMP_SRC_L6RES] = "response buffer", |
| 261 | [SMP_SRC_HRSHV] = "HTTP response headers", |
| 262 | [SMP_SRC_HRSHP] = "HTTP response", |
| 263 | [SMP_SRC_HRSBO] = "HTTP response body", |
| 264 | [SMP_SRC_RQFIN] = "request buffer statistics", |
| 265 | [SMP_SRC_RSFIN] = "response buffer statistics", |
| 266 | [SMP_SRC_TXFIN] = "transaction statistics", |
| 267 | [SMP_SRC_SSFIN] = "session statistics", |
| 268 | }; |
| 269 | |
Willy Tarreau | bf8e251 | 2013-03-25 14:52:41 +0100 | [diff] [blame] | 270 | static const char *fetch_ckp_names[SMP_CKP_ENTRIES] = { |
| 271 | [SMP_CKP_FE_CON_ACC] = "frontend tcp-request connection rule", |
| 272 | [SMP_CKP_FE_SES_ACC] = "frontend tcp-request session rule", |
| 273 | [SMP_CKP_FE_REQ_CNT] = "frontend tcp-request content rule", |
| 274 | [SMP_CKP_FE_HRQ_HDR] = "frontend http-request header rule", |
| 275 | [SMP_CKP_FE_HRQ_BDY] = "frontend http-request body rule", |
| 276 | [SMP_CKP_FE_SET_BCK] = "frontend use-backend rule", |
| 277 | [SMP_CKP_BE_REQ_CNT] = "backend tcp-request content rule", |
| 278 | [SMP_CKP_BE_HRQ_HDR] = "backend http-request header rule", |
| 279 | [SMP_CKP_BE_HRQ_BDY] = "backend http-request body rule", |
| 280 | [SMP_CKP_BE_SET_SRV] = "backend use-server, balance or stick-match rule", |
| 281 | [SMP_CKP_BE_SRV_CON] = "server source selection", |
| 282 | [SMP_CKP_BE_RES_CNT] = "backend tcp-response content rule", |
| 283 | [SMP_CKP_BE_HRS_HDR] = "backend http-response header rule", |
| 284 | [SMP_CKP_BE_HRS_BDY] = "backend http-response body rule", |
| 285 | [SMP_CKP_BE_STO_RUL] = "backend stick-store rule", |
| 286 | [SMP_CKP_FE_RES_CNT] = "frontend tcp-response content rule", |
| 287 | [SMP_CKP_FE_HRS_HDR] = "frontend http-response header rule", |
| 288 | [SMP_CKP_FE_HRS_BDY] = "frontend http-response body rule", |
| 289 | [SMP_CKP_FE_LOG_END] = "logs", |
| 290 | }; |
| 291 | |
Thierry FOURNIER | 348971e | 2013-11-21 10:50:10 +0100 | [diff] [blame] | 292 | /* This function returns the type of the data returned by the sample_expr. |
| 293 | * It assumes that the <expr> and all of its converters are properly |
| 294 | * initialized. |
| 295 | */ |
| 296 | inline |
| 297 | int smp_expr_output_type(struct sample_expr *expr) |
| 298 | { |
| 299 | struct sample_conv_expr *smp_expr; |
| 300 | |
| 301 | if (!LIST_ISEMPTY(&expr->conv_exprs)) { |
| 302 | smp_expr = LIST_PREV(&expr->conv_exprs, struct sample_conv_expr *, list); |
| 303 | return smp_expr->conv->out_type; |
| 304 | } |
| 305 | return expr->fetch->out_type; |
| 306 | } |
| 307 | |
| 308 | |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 309 | /* fill the trash with a comma-delimited list of source names for the <use> bit |
| 310 | * field which must be composed of a non-null set of SMP_USE_* flags. The return |
| 311 | * value is the pointer to the string in the trash buffer. |
| 312 | */ |
| 313 | const char *sample_src_names(unsigned int use) |
| 314 | { |
| 315 | int bit; |
| 316 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 317 | trash.data = 0; |
| 318 | trash.area[0] = '\0'; |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 319 | for (bit = 0; bit < SMP_SRC_ENTRIES; bit++) { |
| 320 | if (!(use & ~((1 << bit) - 1))) |
| 321 | break; /* no more bits */ |
| 322 | |
| 323 | if (!(use & (1 << bit))) |
| 324 | continue; /* bit not set */ |
| 325 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 326 | trash.data += snprintf(trash.area + trash.data, |
| 327 | trash.size - trash.data, "%s%s", |
| 328 | (use & ((1 << bit) - 1)) ? "," : "", |
| 329 | fetch_src_names[bit]); |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 330 | } |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 331 | return trash.area; |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 332 | } |
| 333 | |
Willy Tarreau | bf8e251 | 2013-03-25 14:52:41 +0100 | [diff] [blame] | 334 | /* return a pointer to the correct sample checkpoint name, or "unknown" when |
| 335 | * the flags are invalid. Only the lowest bit is used, higher bits are ignored |
| 336 | * if set. |
| 337 | */ |
| 338 | const char *sample_ckp_names(unsigned int use) |
| 339 | { |
| 340 | int bit; |
| 341 | |
| 342 | for (bit = 0; bit < SMP_CKP_ENTRIES; bit++) |
| 343 | if (use & (1 << bit)) |
| 344 | return fetch_ckp_names[bit]; |
| 345 | return "unknown sample check place, please report this bug"; |
| 346 | } |
| 347 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 348 | /* |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 349 | * Registers the sample fetch keyword list <kwl> as a list of valid keywords |
| 350 | * for next parsing sessions. The fetch keywords capabilities are also computed |
| 351 | * from their ->use field. |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 352 | */ |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 353 | void sample_register_fetches(struct sample_fetch_kw_list *kwl) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 354 | { |
Willy Tarreau | 80aca90 | 2013-01-07 15:42:20 +0100 | [diff] [blame] | 355 | struct sample_fetch *sf; |
| 356 | int bit; |
| 357 | |
| 358 | for (sf = kwl->kw; sf->kw != NULL; sf++) { |
| 359 | for (bit = 0; bit < SMP_SRC_ENTRIES; bit++) |
| 360 | if (sf->use & (1 << bit)) |
| 361 | sf->val |= fetch_cap[bit]; |
| 362 | } |
| 363 | LIST_ADDQ(&sample_fetches.list, &kwl->list); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | /* |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 367 | * Registers the sample format coverstion keyword list <pckl> as a list of valid keywords for next |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 368 | * parsing sessions. |
| 369 | */ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 370 | void sample_register_convs(struct sample_conv_kw_list *pckl) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 371 | { |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 372 | LIST_ADDQ(&sample_convs.list, &pckl->list); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | /* |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 376 | * Returns the pointer on sample fetch keyword structure identified by |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 377 | * string of <len> in buffer <kw>. |
| 378 | * |
| 379 | */ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 380 | struct sample_fetch *find_sample_fetch(const char *kw, int len) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 381 | { |
| 382 | int index; |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 383 | struct sample_fetch_kw_list *kwl; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 384 | |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 385 | list_for_each_entry(kwl, &sample_fetches.list, list) { |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 386 | for (index = 0; kwl->kw[index].kw != NULL; index++) { |
| 387 | if (strncmp(kwl->kw[index].kw, kw, len) == 0 && |
| 388 | kwl->kw[index].kw[len] == '\0') |
| 389 | return &kwl->kw[index]; |
| 390 | } |
| 391 | } |
| 392 | return NULL; |
| 393 | } |
| 394 | |
Tim Duesterhus | c555ee0 | 2018-01-25 16:24:44 +0100 | [diff] [blame] | 395 | /* This function browses the list of available sample fetches. <current> is |
Thierry FOURNIER | 4d9a1d1 | 2014-12-08 14:49:19 +0100 | [diff] [blame] | 396 | * the last used sample fetch. If it is the first call, it must set to NULL. |
Tim Duesterhus | c555ee0 | 2018-01-25 16:24:44 +0100 | [diff] [blame] | 397 | * <idx> is the index of the next sample fetch entry. It is used as private |
| 398 | * value. It is useless to initiate it. |
Thierry FOURNIER | 4d9a1d1 | 2014-12-08 14:49:19 +0100 | [diff] [blame] | 399 | * |
Tim Duesterhus | c555ee0 | 2018-01-25 16:24:44 +0100 | [diff] [blame] | 400 | * It returns always the new fetch_sample entry, and NULL when the end of |
Thierry FOURNIER | 4d9a1d1 | 2014-12-08 14:49:19 +0100 | [diff] [blame] | 401 | * the list is reached. |
| 402 | */ |
| 403 | struct sample_fetch *sample_fetch_getnext(struct sample_fetch *current, int *idx) |
| 404 | { |
| 405 | struct sample_fetch_kw_list *kwl; |
| 406 | struct sample_fetch *base; |
| 407 | |
| 408 | if (!current) { |
| 409 | /* Get first kwl entry. */ |
| 410 | kwl = LIST_NEXT(&sample_fetches.list, struct sample_fetch_kw_list *, list); |
| 411 | (*idx) = 0; |
| 412 | } else { |
| 413 | /* Get kwl corresponding to the curret entry. */ |
| 414 | base = current + 1 - (*idx); |
| 415 | kwl = container_of(base, struct sample_fetch_kw_list, kw); |
| 416 | } |
| 417 | |
| 418 | while (1) { |
| 419 | |
| 420 | /* Check if kwl is the last entry. */ |
| 421 | if (&kwl->list == &sample_fetches.list) |
| 422 | return NULL; |
| 423 | |
| 424 | /* idx contain the next keyword. If it is available, return it. */ |
| 425 | if (kwl->kw[*idx].kw) { |
| 426 | (*idx)++; |
| 427 | return &kwl->kw[(*idx)-1]; |
| 428 | } |
| 429 | |
| 430 | /* get next entry in the main list, and return NULL if the end is reached. */ |
| 431 | kwl = LIST_NEXT(&kwl->list, struct sample_fetch_kw_list *, list); |
| 432 | |
| 433 | /* Set index to 0, ans do one other loop. */ |
| 434 | (*idx) = 0; |
| 435 | } |
| 436 | } |
| 437 | |
Thierry FOURNIER | 8fd1376 | 2015-03-10 23:56:48 +0100 | [diff] [blame] | 438 | /* This function browses the list of available converters. <current> is |
| 439 | * the last used converter. If it is the first call, it must set to NULL. |
| 440 | * <idx> is the index of the next converter entry. It is used as private |
| 441 | * value. It is useless to initiate it. |
| 442 | * |
| 443 | * It returns always the next sample_conv entry, and NULL when the end of |
| 444 | * the list is reached. |
| 445 | */ |
| 446 | struct sample_conv *sample_conv_getnext(struct sample_conv *current, int *idx) |
| 447 | { |
| 448 | struct sample_conv_kw_list *kwl; |
| 449 | struct sample_conv *base; |
| 450 | |
| 451 | if (!current) { |
| 452 | /* Get first kwl entry. */ |
| 453 | kwl = LIST_NEXT(&sample_convs.list, struct sample_conv_kw_list *, list); |
| 454 | (*idx) = 0; |
| 455 | } else { |
| 456 | /* Get kwl corresponding to the curret entry. */ |
| 457 | base = current + 1 - (*idx); |
| 458 | kwl = container_of(base, struct sample_conv_kw_list, kw); |
| 459 | } |
| 460 | |
| 461 | while (1) { |
| 462 | /* Check if kwl is the last entry. */ |
| 463 | if (&kwl->list == &sample_convs.list) |
| 464 | return NULL; |
| 465 | |
| 466 | /* idx contain the next keyword. If it is available, return it. */ |
| 467 | if (kwl->kw[*idx].kw) { |
| 468 | (*idx)++; |
| 469 | return &kwl->kw[(*idx)-1]; |
| 470 | } |
| 471 | |
| 472 | /* get next entry in the main list, and return NULL if the end is reached. */ |
| 473 | kwl = LIST_NEXT(&kwl->list, struct sample_conv_kw_list *, list); |
| 474 | |
| 475 | /* Set index to 0, ans do one other loop. */ |
| 476 | (*idx) = 0; |
| 477 | } |
| 478 | } |
| 479 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 480 | /* |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 481 | * Returns the pointer on sample format conversion keyword structure identified by |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 482 | * string of <len> in buffer <kw>. |
| 483 | * |
| 484 | */ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 485 | struct sample_conv *find_sample_conv(const char *kw, int len) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 486 | { |
| 487 | int index; |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 488 | struct sample_conv_kw_list *kwl; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 489 | |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 490 | list_for_each_entry(kwl, &sample_convs.list, list) { |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 491 | for (index = 0; kwl->kw[index].kw != NULL; index++) { |
| 492 | if (strncmp(kwl->kw[index].kw, kw, len) == 0 && |
| 493 | kwl->kw[index].kw[len] == '\0') |
| 494 | return &kwl->kw[index]; |
| 495 | } |
| 496 | } |
| 497 | return NULL; |
| 498 | } |
| 499 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 500 | /******************************************************************/ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 501 | /* Sample casts functions */ |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 502 | /******************************************************************/ |
| 503 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 504 | static int c_ip2int(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 505 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 506 | smp->data.u.sint = ntohl(smp->data.u.ipv4.s_addr); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 507 | smp->data.type = SMP_T_SINT; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 508 | return 1; |
| 509 | } |
| 510 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 511 | static int c_ip2str(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 512 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 513 | struct buffer *trash = get_trash_chunk(); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 514 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 515 | if (!inet_ntop(AF_INET, (void *)&smp->data.u.ipv4, trash->area, trash->size)) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 516 | return 0; |
| 517 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 518 | trash->data = strlen(trash->area); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 519 | smp->data.u.str = *trash; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 520 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 521 | smp->flags &= ~SMP_F_CONST; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 522 | |
| 523 | return 1; |
| 524 | } |
| 525 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 526 | static int c_ip2ipv6(struct sample *smp) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 527 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 528 | v4tov6(&smp->data.u.ipv6, &smp->data.u.ipv4); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 529 | smp->data.type = SMP_T_IPV6; |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 530 | return 1; |
| 531 | } |
| 532 | |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 533 | static int c_ipv62ip(struct sample *smp) |
| 534 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 535 | if (!v6tov4(&smp->data.u.ipv4, &smp->data.u.ipv6)) |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 536 | return 0; |
Tim Duesterhus | bf5ce02 | 2018-01-25 16:24:46 +0100 | [diff] [blame] | 537 | smp->data.type = SMP_T_IPV4; |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 538 | return 1; |
| 539 | } |
| 540 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 541 | static int c_ipv62str(struct sample *smp) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 542 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 543 | struct buffer *trash = get_trash_chunk(); |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 544 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 545 | if (!inet_ntop(AF_INET6, (void *)&smp->data.u.ipv6, trash->area, trash->size)) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 546 | return 0; |
| 547 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 548 | trash->data = strlen(trash->area); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 549 | smp->data.u.str = *trash; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 550 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 551 | smp->flags &= ~SMP_F_CONST; |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 552 | return 1; |
| 553 | } |
| 554 | |
| 555 | /* |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 556 | static int c_ipv62ip(struct sample *smp) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 557 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 558 | return v6tov4(&smp->data.u.ipv4, &smp->data.u.ipv6); |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 559 | } |
| 560 | */ |
| 561 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 562 | static int c_int2ip(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 563 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 564 | smp->data.u.ipv4.s_addr = htonl((unsigned int)smp->data.u.sint); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 565 | smp->data.type = SMP_T_IPV4; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 566 | return 1; |
| 567 | } |
| 568 | |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 569 | static int c_int2ipv6(struct sample *smp) |
| 570 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 571 | smp->data.u.ipv4.s_addr = htonl((unsigned int)smp->data.u.sint); |
| 572 | v4tov6(&smp->data.u.ipv6, &smp->data.u.ipv4); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 573 | smp->data.type = SMP_T_IPV6; |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 574 | return 1; |
| 575 | } |
| 576 | |
Thierry FOURNIER | b805f71 | 2013-11-26 20:47:54 +0100 | [diff] [blame] | 577 | static int c_str2addr(struct sample *smp) |
| 578 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 579 | if (!buf2ip(smp->data.u.str.area, smp->data.u.str.data, &smp->data.u.ipv4)) { |
| 580 | if (!buf2ip6(smp->data.u.str.area, smp->data.u.str.data, &smp->data.u.ipv6)) |
Thierry FOURNIER | fd13990 | 2013-12-11 12:38:57 +0100 | [diff] [blame] | 581 | return 0; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 582 | smp->data.type = SMP_T_IPV6; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 583 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | fd13990 | 2013-12-11 12:38:57 +0100 | [diff] [blame] | 584 | return 1; |
Thierry FOURNIER | b805f71 | 2013-11-26 20:47:54 +0100 | [diff] [blame] | 585 | } |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 586 | smp->data.type = SMP_T_IPV4; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 587 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | b805f71 | 2013-11-26 20:47:54 +0100 | [diff] [blame] | 588 | return 1; |
| 589 | } |
| 590 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 591 | static int c_str2ip(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 592 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 593 | if (!buf2ip(smp->data.u.str.area, smp->data.u.str.data, &smp->data.u.ipv4)) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 594 | return 0; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 595 | smp->data.type = SMP_T_IPV4; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 596 | smp->flags &= ~SMP_F_CONST; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 597 | return 1; |
| 598 | } |
| 599 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 600 | static int c_str2ipv6(struct sample *smp) |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 601 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 602 | if (!buf2ip6(smp->data.u.str.area, smp->data.u.str.data, &smp->data.u.ipv6)) |
Thierry FOURNIER | fd13990 | 2013-12-11 12:38:57 +0100 | [diff] [blame] | 603 | return 0; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 604 | smp->data.type = SMP_T_IPV6; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 605 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | fd13990 | 2013-12-11 12:38:57 +0100 | [diff] [blame] | 606 | return 1; |
David du Colombier | 4f92d32 | 2011-03-24 11:09:31 +0100 | [diff] [blame] | 607 | } |
| 608 | |
Emeric Brun | 4b9e802 | 2014-11-03 18:17:10 +0100 | [diff] [blame] | 609 | /* |
| 610 | * The NULL char always enforces the end of string if it is met. |
| 611 | * Data is never changed, so we can ignore the CONST case |
Thierry FOURNIER | e87cac1 | 2014-03-12 15:07:59 +0100 | [diff] [blame] | 612 | */ |
Emeric Brun | 8ac33d9 | 2012-10-17 13:36:06 +0200 | [diff] [blame] | 613 | static int c_bin2str(struct sample *smp) |
| 614 | { |
Emeric Brun | 4b9e802 | 2014-11-03 18:17:10 +0100 | [diff] [blame] | 615 | int i; |
Emeric Brun | 8ac33d9 | 2012-10-17 13:36:06 +0200 | [diff] [blame] | 616 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 617 | for (i = 0; i < smp->data.u.str.data; i++) { |
| 618 | if (!smp->data.u.str.area[i]) { |
| 619 | smp->data.u.str.data = i; |
Thierry FOURNIER | e87cac1 | 2014-03-12 15:07:59 +0100 | [diff] [blame] | 620 | break; |
Emeric Brun | 4b9e802 | 2014-11-03 18:17:10 +0100 | [diff] [blame] | 621 | } |
Emeric Brun | 8ac33d9 | 2012-10-17 13:36:06 +0200 | [diff] [blame] | 622 | } |
Emeric Brun | 8ac33d9 | 2012-10-17 13:36:06 +0200 | [diff] [blame] | 623 | return 1; |
| 624 | } |
| 625 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 626 | static int c_int2str(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 627 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 628 | struct buffer *trash = get_trash_chunk(); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 629 | char *pos; |
| 630 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 631 | pos = lltoa_r(smp->data.u.sint, trash->area, trash->size); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 632 | if (!pos) |
| 633 | return 0; |
| 634 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 635 | trash->size = trash->size - (pos - trash->area); |
| 636 | trash->area = pos; |
| 637 | trash->data = strlen(pos); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 638 | smp->data.u.str = *trash; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 639 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 640 | smp->flags &= ~SMP_F_CONST; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 641 | return 1; |
| 642 | } |
| 643 | |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 644 | /* This function unconditionally duplicates data and removes the "const" flag. |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 645 | * For strings and binary blocks, it also provides a known allocated size with |
| 646 | * a length that is capped to the size, and ensures a trailing zero is always |
| 647 | * appended for strings. This is necessary for some operations which may |
| 648 | * require to extend the length. It returns 0 if it fails, 1 on success. |
| 649 | */ |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 650 | int smp_dup(struct sample *smp) |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 651 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 652 | struct buffer *trash; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 653 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 654 | switch (smp->data.type) { |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 655 | case SMP_T_BOOL: |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 656 | case SMP_T_SINT: |
| 657 | case SMP_T_ADDR: |
| 658 | case SMP_T_IPV4: |
| 659 | case SMP_T_IPV6: |
| 660 | /* These type are not const. */ |
| 661 | break; |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 662 | |
Christopher Faulet | ec10051 | 2017-07-24 15:38:41 +0200 | [diff] [blame] | 663 | case SMP_T_METH: |
| 664 | if (smp->data.u.meth.meth != HTTP_METH_OTHER) |
| 665 | break; |
| 666 | /* Fall through */ |
| 667 | |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 668 | case SMP_T_STR: |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 669 | trash = get_trash_chunk(); |
Olivier Houchard | 4468f1c | 2018-12-07 15:23:41 +0100 | [diff] [blame] | 670 | trash->data = smp->data.type == SMP_T_STR ? |
| 671 | smp->data.u.str.data : smp->data.u.meth.str.data; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 672 | if (trash->data > trash->size - 1) |
| 673 | trash->data = trash->size - 1; |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 674 | |
Olivier Houchard | 4468f1c | 2018-12-07 15:23:41 +0100 | [diff] [blame] | 675 | memcpy(trash->area, smp->data.type == SMP_T_STR ? |
| 676 | smp->data.u.str.area : smp->data.u.meth.str.area, |
| 677 | trash->data); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 678 | trash->area[trash->data] = 0; |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 679 | smp->data.u.str = *trash; |
| 680 | break; |
| 681 | |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 682 | case SMP_T_BIN: |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 683 | trash = get_trash_chunk(); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 684 | trash->data = smp->data.u.str.data; |
| 685 | if (trash->data > trash->size) |
| 686 | trash->data = trash->size; |
Willy Tarreau | ad63582 | 2016-08-08 19:21:09 +0200 | [diff] [blame] | 687 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 688 | memcpy(trash->area, smp->data.u.str.area, trash->data); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 689 | smp->data.u.str = *trash; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 690 | break; |
Christopher Faulet | ec10051 | 2017-07-24 15:38:41 +0200 | [diff] [blame] | 691 | |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 692 | default: |
| 693 | /* Other cases are unexpected. */ |
| 694 | return 0; |
| 695 | } |
Thierry FOURNIER | b805f71 | 2013-11-26 20:47:54 +0100 | [diff] [blame] | 696 | |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 697 | /* remove const flag */ |
| 698 | smp->flags &= ~SMP_F_CONST; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 699 | return 1; |
| 700 | } |
| 701 | |
Thierry FOURNIER | 0e9af55 | 2013-12-14 14:55:04 +0100 | [diff] [blame] | 702 | int c_none(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 703 | { |
| 704 | return 1; |
| 705 | } |
| 706 | |
Willy Tarreau | 342acb4 | 2012-04-23 22:03:39 +0200 | [diff] [blame] | 707 | static int c_str2int(struct sample *smp) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 708 | { |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 709 | const char *str; |
| 710 | const char *end; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 711 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 712 | if (smp->data.u.str.data == 0) |
Thierry FOURNIER | 60bb020 | 2014-01-27 18:20:48 +0100 | [diff] [blame] | 713 | return 0; |
| 714 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 715 | str = smp->data.u.str.area; |
| 716 | end = smp->data.u.str.area + smp->data.u.str.data; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 717 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 718 | smp->data.u.sint = read_int64(&str, end); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 719 | smp->data.type = SMP_T_SINT; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 720 | smp->flags &= ~SMP_F_CONST; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 721 | return 1; |
| 722 | } |
| 723 | |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 724 | static int c_str2meth(struct sample *smp) |
| 725 | { |
| 726 | enum http_meth_t meth; |
| 727 | int len; |
| 728 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 729 | meth = find_http_meth(smp->data.u.str.area, smp->data.u.str.data); |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 730 | if (meth == HTTP_METH_OTHER) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 731 | len = smp->data.u.str.data; |
| 732 | smp->data.u.meth.str.area = smp->data.u.str.area; |
| 733 | smp->data.u.meth.str.data = len; |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 734 | } |
| 735 | else |
| 736 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 737 | smp->data.u.meth.meth = meth; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 738 | smp->data.type = SMP_T_METH; |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 739 | return 1; |
| 740 | } |
| 741 | |
| 742 | static int c_meth2str(struct sample *smp) |
| 743 | { |
| 744 | int len; |
| 745 | enum http_meth_t meth; |
| 746 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 747 | if (smp->data.u.meth.meth == HTTP_METH_OTHER) { |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 748 | /* The method is unknown. Copy the original pointer. */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 749 | len = smp->data.u.meth.str.data; |
| 750 | smp->data.u.str.area = smp->data.u.meth.str.area; |
| 751 | smp->data.u.str.data = len; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 752 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 753 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 754 | else if (smp->data.u.meth.meth < HTTP_METH_OTHER) { |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 755 | /* The method is known, copy the pointer containing the string. */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 756 | meth = smp->data.u.meth.meth; |
Willy Tarreau | 35b51c6 | 2018-09-10 15:38:55 +0200 | [diff] [blame] | 757 | smp->data.u.str.area = http_known_methods[meth].ptr; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 758 | smp->data.u.str.data = http_known_methods[meth].len; |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 759 | smp->flags |= SMP_F_CONST; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 760 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | d437314 | 2013-12-17 01:10:10 +0100 | [diff] [blame] | 761 | } |
| 762 | else { |
| 763 | /* Unknown method */ |
| 764 | return 0; |
| 765 | } |
| 766 | return 1; |
| 767 | } |
| 768 | |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 769 | static int c_addr2bin(struct sample *smp) |
| 770 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 771 | struct buffer *chk = get_trash_chunk(); |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 772 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 773 | if (smp->data.type == SMP_T_IPV4) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 774 | chk->data = 4; |
| 775 | memcpy(chk->area, &smp->data.u.ipv4, chk->data); |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 776 | } |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 777 | else if (smp->data.type == SMP_T_IPV6) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 778 | chk->data = 16; |
| 779 | memcpy(chk->area, &smp->data.u.ipv6, chk->data); |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 780 | } |
| 781 | else |
| 782 | return 0; |
| 783 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 784 | smp->data.u.str = *chk; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 785 | smp->data.type = SMP_T_BIN; |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 786 | return 1; |
| 787 | } |
| 788 | |
Willy Tarreau | bbfd1a2 | 2014-07-15 21:19:08 +0200 | [diff] [blame] | 789 | static int c_int2bin(struct sample *smp) |
| 790 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 791 | struct buffer *chk = get_trash_chunk(); |
Willy Tarreau | bbfd1a2 | 2014-07-15 21:19:08 +0200 | [diff] [blame] | 792 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 793 | *(unsigned long long int *) chk->area = my_htonll(smp->data.u.sint); |
| 794 | chk->data = 8; |
Willy Tarreau | bbfd1a2 | 2014-07-15 21:19:08 +0200 | [diff] [blame] | 795 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 796 | smp->data.u.str = *chk; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 797 | smp->data.type = SMP_T_BIN; |
Willy Tarreau | bbfd1a2 | 2014-07-15 21:19:08 +0200 | [diff] [blame] | 798 | return 1; |
| 799 | } |
| 800 | |
Willy Tarreau | 9700e5c | 2014-07-15 21:03:26 +0200 | [diff] [blame] | 801 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 802 | /*****************************************************************/ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 803 | /* Sample casts matrix: */ |
| 804 | /* sample_casts[from type][to type] */ |
| 805 | /* NULL pointer used for impossible sample casts */ |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 806 | /*****************************************************************/ |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 807 | |
Thierry FOURNIER | 8af6ff1 | 2013-11-21 10:53:12 +0100 | [diff] [blame] | 808 | sample_cast_fct sample_casts[SMP_TYPES][SMP_TYPES] = { |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 809 | /* to: ANY BOOL SINT ADDR IPV4 IPV6 STR BIN METH */ |
| 810 | /* from: ANY */ { c_none, c_none, c_none, c_none, c_none, c_none, c_none, c_none, c_none, }, |
| 811 | /* BOOL */ { c_none, c_none, c_none, NULL, NULL, NULL, c_int2str, NULL, NULL, }, |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 812 | /* SINT */ { c_none, c_none, c_none, c_int2ip, c_int2ip, c_int2ipv6, c_int2str, c_int2bin, NULL, }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 813 | /* ADDR */ { c_none, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }, |
| 814 | /* IPV4 */ { c_none, NULL, c_ip2int, c_none, c_none, c_ip2ipv6, c_ip2str, c_addr2bin, NULL, }, |
Thierry FOURNIER | cc4d171 | 2015-07-24 09:04:56 +0200 | [diff] [blame] | 815 | /* IPV6 */ { c_none, NULL, NULL, c_none, c_ipv62ip,c_none, c_ipv62str, c_addr2bin, NULL, }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 816 | /* STR */ { c_none, c_str2int, c_str2int, c_str2addr, c_str2ip, c_str2ipv6, c_none, c_none, c_str2meth, }, |
| 817 | /* BIN */ { c_none, NULL, NULL, NULL, NULL, NULL, c_bin2str, c_none, c_str2meth, }, |
| 818 | /* METH */ { c_none, NULL, NULL, NULL, NULL, NULL, c_meth2str, c_meth2str, c_none, } |
Willy Tarreau | f0b38bf | 2010-06-06 13:22:23 +0200 | [diff] [blame] | 819 | }; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 820 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 821 | /* |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 822 | * Parse a sample expression configuration: |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 823 | * fetch keyword followed by format conversion keywords. |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 824 | * Returns a pointer on allocated sample expression structure. |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 825 | * The caller must have set al->ctx. |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 826 | */ |
Thierry FOURNIER | eeaa951 | 2014-02-11 14:00:19 +0100 | [diff] [blame] | 827 | struct sample_expr *sample_parse_expr(char **str, int *idx, const char *file, int line, char **err_msg, struct arg_list *al) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 828 | { |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 829 | const char *begw; /* beginning of word */ |
| 830 | const char *endw; /* end of word */ |
| 831 | const char *endt; /* end of term */ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 832 | struct sample_expr *expr; |
| 833 | struct sample_fetch *fetch; |
| 834 | struct sample_conv *conv; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 835 | unsigned long prev_type; |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 836 | char *fkw = NULL; |
| 837 | char *ckw = NULL; |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 838 | int err_arg; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 839 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 840 | begw = str[*idx]; |
| 841 | for (endw = begw; *endw && *endw != '(' && *endw != ','; endw++); |
| 842 | |
| 843 | if (endw == begw) { |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 844 | memprintf(err_msg, "missing fetch method"); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 845 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 846 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 847 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 848 | /* keep a copy of the current fetch keyword for error reporting */ |
| 849 | fkw = my_strndup(begw, endw - begw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 850 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 851 | fetch = find_sample_fetch(begw, endw - begw); |
| 852 | if (!fetch) { |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 853 | memprintf(err_msg, "unknown fetch method '%s'", fkw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 854 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 855 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 856 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 857 | endt = endw; |
| 858 | if (*endt == '(') { |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 859 | /* look for the end of this term and skip the opening parenthesis */ |
| 860 | endt = ++endw; |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 861 | while (*endt && *endt != ')') |
| 862 | endt++; |
| 863 | if (*endt != ')') { |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 864 | memprintf(err_msg, "missing closing ')' after arguments to fetch keyword '%s'", fkw); |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 865 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 866 | } |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 867 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 868 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 869 | /* At this point, we have : |
| 870 | * - begw : beginning of the keyword |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 871 | * - endw : end of the keyword, first character not part of keyword |
| 872 | * nor the opening parenthesis (so first character of args |
| 873 | * if present). |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 874 | * - endt : end of the term (=endw or last parenthesis if args are present) |
| 875 | */ |
| 876 | |
| 877 | if (fetch->out_type >= SMP_TYPES) { |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 878 | memprintf(err_msg, "returns type of fetch method '%s' is unknown", fkw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 879 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 880 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 881 | prev_type = fetch->out_type; |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 882 | |
Vincent Bernat | 02779b6 | 2016-04-03 13:48:43 +0200 | [diff] [blame] | 883 | expr = calloc(1, sizeof(*expr)); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 884 | if (!expr) |
| 885 | goto out_error; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 886 | |
| 887 | LIST_INIT(&(expr->conv_exprs)); |
| 888 | expr->fetch = fetch; |
Willy Tarreau | 2e845be | 2012-10-19 19:49:09 +0200 | [diff] [blame] | 889 | expr->arg_p = empty_arg_list; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 890 | |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 891 | /* Note that we call the argument parser even with an empty string, |
| 892 | * this allows it to automatically create entries for mandatory |
| 893 | * implicit arguments (eg: local proxy name). |
| 894 | */ |
| 895 | al->kw = expr->fetch->kw; |
| 896 | al->conv = NULL; |
| 897 | if (make_arg_list(endw, endt - endw, fetch->arg_mask, &expr->arg_p, err_msg, NULL, &err_arg, al) < 0) { |
| 898 | memprintf(err_msg, "fetch method '%s' : %s", fkw, *err_msg); |
| 899 | goto out_error; |
| 900 | } |
Willy Tarreau | 2e845be | 2012-10-19 19:49:09 +0200 | [diff] [blame] | 901 | |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 902 | if (!expr->arg_p) { |
| 903 | expr->arg_p = empty_arg_list; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 904 | } |
Willy Tarreau | 689a1df | 2013-12-13 00:40:11 +0100 | [diff] [blame] | 905 | else if (fetch->val_args && !fetch->val_args(expr->arg_p, err_msg)) { |
| 906 | memprintf(err_msg, "invalid args in fetch method '%s' : %s", fkw, *err_msg); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 907 | goto out_error; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 908 | } |
| 909 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 910 | /* Now process the converters if any. We have two supported syntaxes |
| 911 | * for the converters, which can be combined : |
| 912 | * - comma-delimited list of converters just after the keyword and args ; |
| 913 | * - one converter per keyword |
| 914 | * The combination allows to have each keyword being a comma-delimited |
| 915 | * series of converters. |
| 916 | * |
| 917 | * We want to process the former first, then the latter. For this we start |
| 918 | * from the beginning of the supposed place in the exiting conv chain, which |
| 919 | * starts at the last comma (endt). |
| 920 | */ |
| 921 | |
| 922 | while (1) { |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 923 | struct sample_conv_expr *conv_expr; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 924 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 925 | if (*endt == ')') /* skip last closing parenthesis */ |
| 926 | endt++; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 927 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 928 | if (*endt && *endt != ',') { |
| 929 | if (ckw) |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 930 | memprintf(err_msg, "missing comma after converter '%s'", ckw); |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 931 | else |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 932 | memprintf(err_msg, "missing comma after fetch keyword '%s'", fkw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 933 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 934 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 935 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 936 | while (*endt == ',') /* then trailing commas */ |
| 937 | endt++; |
| 938 | |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 939 | begw = endt; /* start of converter */ |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 940 | |
| 941 | if (!*begw) { |
| 942 | /* none ? skip to next string */ |
| 943 | (*idx)++; |
| 944 | begw = str[*idx]; |
| 945 | if (!begw || !*begw) |
| 946 | break; |
| 947 | } |
| 948 | |
| 949 | for (endw = begw; *endw && *endw != '(' && *endw != ','; endw++); |
| 950 | |
| 951 | free(ckw); |
| 952 | ckw = my_strndup(begw, endw - begw); |
| 953 | |
| 954 | conv = find_sample_conv(begw, endw - begw); |
| 955 | if (!conv) { |
| 956 | /* we found an isolated keyword that we don't know, it's not ours */ |
| 957 | if (begw == str[*idx]) |
| 958 | break; |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 959 | memprintf(err_msg, "unknown converter '%s'", ckw); |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 960 | goto out_error; |
| 961 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 962 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 963 | endt = endw; |
| 964 | if (*endt == '(') { |
| 965 | /* look for the end of this term */ |
| 966 | while (*endt && *endt != ')') |
| 967 | endt++; |
| 968 | if (*endt != ')') { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 969 | memprintf(err_msg, "syntax error: missing ')' after converter '%s'", ckw); |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 970 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 971 | } |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | if (conv->in_type >= SMP_TYPES || conv->out_type >= SMP_TYPES) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 975 | memprintf(err_msg, "returns type of converter '%s' is unknown", ckw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 976 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 977 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 978 | |
| 979 | /* If impossible type conversion */ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 980 | if (!sample_casts[prev_type][conv->in_type]) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 981 | memprintf(err_msg, "converter '%s' cannot be applied", ckw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 982 | goto out_error; |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 983 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 984 | |
| 985 | prev_type = conv->out_type; |
Vincent Bernat | 02779b6 | 2016-04-03 13:48:43 +0200 | [diff] [blame] | 986 | conv_expr = calloc(1, sizeof(*conv_expr)); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 987 | if (!conv_expr) |
| 988 | goto out_error; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 989 | |
| 990 | LIST_ADDQ(&(expr->conv_exprs), &(conv_expr->list)); |
| 991 | conv_expr->conv = conv; |
| 992 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 993 | if (endt != endw) { |
Willy Tarreau | b27c0d3 | 2012-04-20 16:04:47 +0200 | [diff] [blame] | 994 | int err_arg; |
Willy Tarreau | 21d68a6 | 2012-04-20 15:52:36 +0200 | [diff] [blame] | 995 | |
Willy Tarreau | 9fcb984 | 2012-04-20 14:45:49 +0200 | [diff] [blame] | 996 | if (!conv->arg_mask) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 997 | memprintf(err_msg, "converter '%s' does not support any args", ckw); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 998 | goto out_error; |
| 999 | } |
Willy Tarreau | 9e92d32 | 2010-01-26 17:58:06 +0100 | [diff] [blame] | 1000 | |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1001 | al->kw = expr->fetch->kw; |
| 1002 | al->conv = conv_expr->conv->kw; |
Willy Tarreau | 975c178 | 2013-12-12 23:16:54 +0100 | [diff] [blame] | 1003 | if (make_arg_list(endw + 1, endt - endw - 1, conv->arg_mask, &conv_expr->arg_p, err_msg, NULL, &err_arg, al) < 0) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 1004 | memprintf(err_msg, "invalid arg %d in converter '%s' : %s", err_arg+1, ckw, *err_msg); |
Willy Tarreau | 21d68a6 | 2012-04-20 15:52:36 +0200 | [diff] [blame] | 1005 | goto out_error; |
| 1006 | } |
| 1007 | |
Willy Tarreau | 2e845be | 2012-10-19 19:49:09 +0200 | [diff] [blame] | 1008 | if (!conv_expr->arg_p) |
| 1009 | conv_expr->arg_p = empty_arg_list; |
| 1010 | |
Thierry FOURNIER | eeaa951 | 2014-02-11 14:00:19 +0100 | [diff] [blame] | 1011 | if (conv->val_args && !conv->val_args(conv_expr->arg_p, conv, file, line, err_msg)) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 1012 | memprintf(err_msg, "invalid args in converter '%s' : %s", ckw, *err_msg); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 1013 | goto out_error; |
| 1014 | } |
| 1015 | } |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 1016 | else if (ARGM(conv->arg_mask)) { |
Willy Tarreau | 97108e0 | 2016-11-25 07:33:24 +0100 | [diff] [blame] | 1017 | memprintf(err_msg, "missing args for converter '%s'", ckw); |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 1018 | goto out_error; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1019 | } |
| 1020 | } |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 1021 | |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 1022 | out: |
| 1023 | free(fkw); |
| 1024 | free(ckw); |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1025 | return expr; |
| 1026 | |
| 1027 | out_error: |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1028 | /* TODO: prune_sample_expr(expr); */ |
Willy Tarreau | 833cc79 | 2013-07-24 15:34:19 +0200 | [diff] [blame] | 1029 | expr = NULL; |
| 1030 | goto out; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | /* |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1034 | * Process a fetch + format conversion of defined by the sample expression <expr> |
Willy Tarreau | 32a6f2e | 2012-04-25 10:13:36 +0200 | [diff] [blame] | 1035 | * on request or response considering the <opt> parameter. |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1036 | * Returns a pointer on a typed sample structure containing the result or NULL if |
| 1037 | * sample is not found or when format conversion failed. |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1038 | * If <p> is not null, function returns results in structure pointed by <p>. |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1039 | * If <p> is null, functions returns a pointer on a static sample structure. |
Willy Tarreau | b8c8f1f | 2012-04-23 22:38:26 +0200 | [diff] [blame] | 1040 | * |
| 1041 | * Note: the fetch functions are required to properly set the return type. The |
| 1042 | * conversion functions must do so too. However the cast functions do not need |
| 1043 | * to since they're made to cast mutiple types according to what is required. |
Willy Tarreau | 6bcb0a8 | 2014-07-30 08:56:35 +0200 | [diff] [blame] | 1044 | * |
| 1045 | * The caller may indicate in <opt> if it considers the result final or not. |
| 1046 | * The caller needs to check the SMP_F_MAY_CHANGE flag in p->flags to verify |
| 1047 | * if the result is stable or not, according to the following table : |
| 1048 | * |
| 1049 | * return MAY_CHANGE FINAL Meaning for the sample |
| 1050 | * NULL 0 * Not present and will never be (eg: header) |
| 1051 | * NULL 1 0 Not present yet, could change (eg: POST param) |
| 1052 | * NULL 1 1 Not present yet, will not change anymore |
| 1053 | * smp 0 * Present and will not change (eg: header) |
| 1054 | * smp 1 0 Present, may change (eg: request length) |
| 1055 | * smp 1 1 Present, last known value (eg: request length) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1056 | */ |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1057 | struct sample *sample_process(struct proxy *px, struct session *sess, |
| 1058 | struct stream *strm, unsigned int opt, |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1059 | struct sample_expr *expr, struct sample *p) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1060 | { |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1061 | struct sample_conv_expr *conv_expr; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1062 | |
Willy Tarreau | 18387e2 | 2013-07-25 12:02:38 +0200 | [diff] [blame] | 1063 | if (p == NULL) { |
Willy Tarreau | b4a88f0 | 2012-04-23 21:35:11 +0200 | [diff] [blame] | 1064 | p = &temp_smp; |
Willy Tarreau | 6c616e0 | 2014-06-25 16:56:41 +0200 | [diff] [blame] | 1065 | memset(p, 0, sizeof(*p)); |
Willy Tarreau | 18387e2 | 2013-07-25 12:02:38 +0200 | [diff] [blame] | 1066 | } |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1067 | |
Willy Tarreau | 1777ea6 | 2016-03-10 16:15:46 +0100 | [diff] [blame] | 1068 | smp_set_owner(p, px, sess, strm, opt); |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 1069 | if (!expr->fetch->process(expr->arg_p, p, expr->fetch->kw, expr->fetch->private)) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1070 | return NULL; |
| 1071 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1072 | list_for_each_entry(conv_expr, &expr->conv_exprs, list) { |
Willy Tarreau | 12e5011 | 2012-04-25 17:21:49 +0200 | [diff] [blame] | 1073 | /* we want to ensure that p->type can be casted into |
| 1074 | * conv_expr->conv->in_type. We have 3 possibilities : |
| 1075 | * - NULL => not castable. |
| 1076 | * - c_none => nothing to do (let's optimize it) |
| 1077 | * - other => apply cast and prepare to fail |
| 1078 | */ |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1079 | if (!sample_casts[p->data.type][conv_expr->conv->in_type]) |
Willy Tarreau | 12e5011 | 2012-04-25 17:21:49 +0200 | [diff] [blame] | 1080 | return NULL; |
| 1081 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1082 | if (sample_casts[p->data.type][conv_expr->conv->in_type] != c_none && |
| 1083 | !sample_casts[p->data.type][conv_expr->conv->in_type](p)) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1084 | return NULL; |
| 1085 | |
Willy Tarreau | 12e5011 | 2012-04-25 17:21:49 +0200 | [diff] [blame] | 1086 | /* OK cast succeeded */ |
| 1087 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1088 | if (!conv_expr->conv->process(conv_expr->arg_p, p, conv_expr->conv->private)) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1089 | return NULL; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1090 | } |
| 1091 | return p; |
| 1092 | } |
| 1093 | |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1094 | /* |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1095 | * Resolve all remaining arguments in proxy <p>. Returns the number of |
| 1096 | * errors or 0 if everything is fine. |
| 1097 | */ |
| 1098 | int smp_resolve_args(struct proxy *p) |
| 1099 | { |
| 1100 | struct arg_list *cur, *bak; |
| 1101 | const char *ctx, *where; |
| 1102 | const char *conv_ctx, *conv_pre, *conv_pos; |
| 1103 | struct userlist *ul; |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1104 | struct my_regex *reg; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1105 | struct arg *arg; |
| 1106 | int cfgerr = 0; |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1107 | int rflags; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1108 | |
| 1109 | list_for_each_entry_safe(cur, bak, &p->conf.args.list, list) { |
| 1110 | struct proxy *px; |
| 1111 | struct server *srv; |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1112 | struct stktable *t; |
| 1113 | char *pname, *sname, *stktname; |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1114 | char *err; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1115 | |
| 1116 | arg = cur->arg; |
| 1117 | |
| 1118 | /* prepare output messages */ |
| 1119 | conv_pre = conv_pos = conv_ctx = ""; |
| 1120 | if (cur->conv) { |
| 1121 | conv_ctx = cur->conv; |
| 1122 | conv_pre = "conversion keyword '"; |
| 1123 | conv_pos = "' for "; |
| 1124 | } |
| 1125 | |
| 1126 | where = "in"; |
| 1127 | ctx = "sample fetch keyword"; |
| 1128 | switch (cur->ctx) { |
Dragan Dosen | 0b85ece | 2015-09-25 19:17:44 +0200 | [diff] [blame] | 1129 | case ARGC_STK: where = "in stick rule in"; break; |
| 1130 | case ARGC_TRK: where = "in tracking rule in"; break; |
| 1131 | case ARGC_LOG: where = "in log-format string in"; break; |
| 1132 | case ARGC_LOGSD: where = "in log-format-sd string in"; break; |
| 1133 | case ARGC_HRQ: where = "in http-request header format string in"; break; |
| 1134 | case ARGC_HRS: where = "in http-response header format string in"; break; |
| 1135 | case ARGC_UIF: where = "in unique-id-format string in"; break; |
| 1136 | case ARGC_RDR: where = "in redirect format string in"; break; |
| 1137 | case ARGC_CAP: where = "in capture rule in"; break; |
| 1138 | case ARGC_ACL: ctx = "ACL keyword"; break; |
| 1139 | case ARGC_SRV: where = "in server directive in"; break; |
Christopher Faulet | f7e4e7e | 2016-10-27 22:29:49 +0200 | [diff] [blame] | 1140 | case ARGC_SPOE: where = "in spoe-message directive in"; break; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | /* set a few default settings */ |
| 1144 | px = p; |
| 1145 | pname = p->id; |
| 1146 | |
| 1147 | switch (arg->type) { |
| 1148 | case ARGT_SRV: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1149 | if (!arg->data.str.data) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1150 | ha_alert("parsing [%s:%d] : missing server name in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1151 | cur->file, cur->line, |
| 1152 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1153 | cfgerr++; |
| 1154 | continue; |
| 1155 | } |
| 1156 | |
| 1157 | /* we support two formats : "bck/srv" and "srv" */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1158 | sname = strrchr(arg->data.str.area, '/'); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1159 | |
| 1160 | if (sname) { |
| 1161 | *sname++ = '\0'; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1162 | pname = arg->data.str.area; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1163 | |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1164 | px = proxy_be_by_name(pname); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1165 | if (!px) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1166 | ha_alert("parsing [%s:%d] : unable to find proxy '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1167 | cur->file, cur->line, pname, |
| 1168 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1169 | cfgerr++; |
| 1170 | break; |
| 1171 | } |
| 1172 | } |
| 1173 | else |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1174 | sname = arg->data.str.area; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1175 | |
| 1176 | srv = findserver(px, sname); |
| 1177 | if (!srv) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1178 | ha_alert("parsing [%s:%d] : unable to find server '%s' in proxy '%s', referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1179 | cur->file, cur->line, sname, pname, |
| 1180 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1181 | cfgerr++; |
| 1182 | break; |
| 1183 | } |
| 1184 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1185 | free(arg->data.str.area); |
| 1186 | arg->data.str.area = NULL; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1187 | arg->unresolved = 0; |
| 1188 | arg->data.srv = srv; |
| 1189 | break; |
| 1190 | |
| 1191 | case ARGT_FE: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1192 | if (arg->data.str.data) { |
| 1193 | pname = arg->data.str.area; |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1194 | px = proxy_fe_by_name(pname); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1195 | } |
| 1196 | |
| 1197 | if (!px) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1198 | ha_alert("parsing [%s:%d] : unable to find frontend '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1199 | cur->file, cur->line, pname, |
| 1200 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1201 | cfgerr++; |
| 1202 | break; |
| 1203 | } |
| 1204 | |
| 1205 | if (!(px->cap & PR_CAP_FE)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1206 | ha_alert("parsing [%s:%d] : proxy '%s', referenced in arg %d of %s%s%s%s '%s' %s proxy '%s', has not frontend capability.\n", |
| 1207 | cur->file, cur->line, pname, |
| 1208 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1209 | cfgerr++; |
| 1210 | break; |
| 1211 | } |
| 1212 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1213 | free(arg->data.str.area); |
| 1214 | arg->data.str.area = NULL; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1215 | arg->unresolved = 0; |
| 1216 | arg->data.prx = px; |
| 1217 | break; |
| 1218 | |
| 1219 | case ARGT_BE: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1220 | if (arg->data.str.data) { |
| 1221 | pname = arg->data.str.area; |
Willy Tarreau | 9e0bb10 | 2015-05-26 11:24:42 +0200 | [diff] [blame] | 1222 | px = proxy_be_by_name(pname); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1223 | } |
| 1224 | |
| 1225 | if (!px) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1226 | ha_alert("parsing [%s:%d] : unable to find backend '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1227 | cur->file, cur->line, pname, |
| 1228 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1229 | cfgerr++; |
| 1230 | break; |
| 1231 | } |
| 1232 | |
| 1233 | if (!(px->cap & PR_CAP_BE)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1234 | ha_alert("parsing [%s:%d] : proxy '%s', referenced in arg %d of %s%s%s%s '%s' %s proxy '%s', has not backend capability.\n", |
| 1235 | cur->file, cur->line, pname, |
| 1236 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1237 | cfgerr++; |
| 1238 | break; |
| 1239 | } |
| 1240 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1241 | free(arg->data.str.area); |
| 1242 | arg->data.str.area = NULL; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1243 | arg->unresolved = 0; |
| 1244 | arg->data.prx = px; |
| 1245 | break; |
| 1246 | |
| 1247 | case ARGT_TAB: |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1248 | if (!arg->data.str.data) { |
| 1249 | ha_alert("parsing [%s:%d] : missing table name in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1250 | cur->file, cur->line, |
| 1251 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
| 1252 | cfgerr++; |
| 1253 | continue; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1254 | } |
| 1255 | |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1256 | stktname = arg->data.str.area; |
| 1257 | t = stktable_find_by_name(stktname); |
| 1258 | if (!t) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1259 | ha_alert("parsing [%s:%d] : unable to find table '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1260 | cur->file, cur->line, stktname, |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1261 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1262 | cfgerr++; |
| 1263 | break; |
| 1264 | } |
| 1265 | |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1266 | if (!t->size) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1267 | ha_alert("parsing [%s:%d] : no table in proxy '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1268 | cur->file, cur->line, stktname, |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1269 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1270 | cfgerr++; |
| 1271 | break; |
| 1272 | } |
| 1273 | |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1274 | if (t->proxy && (p->bind_proc & ~t->proxy->bind_proc)) { |
Willy Tarreau | 151e1ca | 2019-02-05 11:38:38 +0100 | [diff] [blame] | 1275 | ha_alert("parsing [%s:%d] : stick-table '%s' not present on all processes covered by proxy '%s'.\n", |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1276 | cur->file, cur->line, t->proxy->id, p->id); |
Willy Tarreau | 1a0fe3b | 2019-02-06 10:25:07 +0100 | [diff] [blame] | 1277 | cfgerr++; |
| 1278 | break; |
Willy Tarreau | 151e1ca | 2019-02-05 11:38:38 +0100 | [diff] [blame] | 1279 | } |
| 1280 | |
Frédéric Lécaille | 015e4d7 | 2019-03-19 14:55:01 +0100 | [diff] [blame] | 1281 | if (t->proxies_list != p) { |
| 1282 | p->next_stkt_ref = t->proxies_list; |
| 1283 | t->proxies_list = p; |
| 1284 | } |
| 1285 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1286 | free(arg->data.str.area); |
| 1287 | arg->data.str.area = NULL; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1288 | arg->unresolved = 0; |
Frédéric Lécaille | 1b8e68e | 2019-03-14 07:07:41 +0100 | [diff] [blame] | 1289 | arg->data.t = t; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1290 | break; |
| 1291 | |
| 1292 | case ARGT_USR: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1293 | if (!arg->data.str.data) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1294 | ha_alert("parsing [%s:%d] : missing userlist name in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1295 | cur->file, cur->line, |
| 1296 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1297 | cfgerr++; |
| 1298 | break; |
| 1299 | } |
| 1300 | |
| 1301 | if (p->uri_auth && p->uri_auth->userlist && |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1302 | !strcmp(p->uri_auth->userlist->name, arg->data.str.area)) |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1303 | ul = p->uri_auth->userlist; |
| 1304 | else |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1305 | ul = auth_find_userlist(arg->data.str.area); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1306 | |
| 1307 | if (!ul) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1308 | ha_alert("parsing [%s:%d] : unable to find userlist '%s' referenced in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1309 | cur->file, cur->line, |
| 1310 | arg->data.str.area, |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1311 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1312 | cfgerr++; |
| 1313 | break; |
| 1314 | } |
| 1315 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1316 | free(arg->data.str.area); |
| 1317 | arg->data.str.area = NULL; |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1318 | arg->unresolved = 0; |
| 1319 | arg->data.usr = ul; |
| 1320 | break; |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1321 | |
| 1322 | case ARGT_REG: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1323 | if (!arg->data.str.data) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1324 | ha_alert("parsing [%s:%d] : missing regex in arg %d of %s%s%s%s '%s' %s proxy '%s'.\n", |
| 1325 | cur->file, cur->line, |
| 1326 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id); |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1327 | cfgerr++; |
| 1328 | continue; |
| 1329 | } |
| 1330 | |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1331 | rflags = 0; |
| 1332 | rflags |= (arg->type_flags & ARGF_REG_ICASE) ? REG_ICASE : 0; |
| 1333 | err = NULL; |
| 1334 | |
Dragan Dosen | 2674303 | 2019-04-30 15:54:36 +0200 | [diff] [blame] | 1335 | if (!(reg = regex_comp(arg->data.str.area, !(rflags & REG_ICASE), 1 /* capture substr */, &err))) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1336 | ha_alert("parsing [%s:%d] : error in regex '%s' in arg %d of %s%s%s%s '%s' %s proxy '%s' : %s.\n", |
| 1337 | cur->file, cur->line, |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1338 | arg->data.str.area, |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1339 | cur->arg_pos + 1, conv_pre, conv_ctx, conv_pos, ctx, cur->kw, where, p->id, err); |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1340 | cfgerr++; |
| 1341 | continue; |
| 1342 | } |
| 1343 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1344 | free(arg->data.str.area); |
| 1345 | arg->data.str.area = NULL; |
Willy Tarreau | 4694778 | 2015-01-19 19:00:58 +0100 | [diff] [blame] | 1346 | arg->unresolved = 0; |
| 1347 | arg->data.reg = reg; |
| 1348 | break; |
| 1349 | |
| 1350 | |
Willy Tarreau | a4312fa | 2013-04-02 16:34:32 +0200 | [diff] [blame] | 1351 | } |
| 1352 | |
| 1353 | LIST_DEL(&cur->list); |
| 1354 | free(cur); |
| 1355 | } /* end of args processing */ |
| 1356 | |
| 1357 | return cfgerr; |
| 1358 | } |
| 1359 | |
| 1360 | /* |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1361 | * Process a fetch + format conversion as defined by the sample expression |
| 1362 | * <expr> on request or response considering the <opt> parameter. The output is |
Adis Nezirovic | 79beb24 | 2015-07-06 15:41:02 +0200 | [diff] [blame] | 1363 | * not explicitly set to <smp_type>, but shall be compatible with it as |
| 1364 | * specified by 'sample_casts' table. If a stable sample can be fetched, or an |
| 1365 | * unstable one when <opt> contains SMP_OPT_FINAL, the sample is converted and |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1366 | * returned without the SMP_F_MAY_CHANGE flag. If an unstable sample is found |
| 1367 | * and <opt> does not contain SMP_OPT_FINAL, then the sample is returned as-is |
| 1368 | * with its SMP_F_MAY_CHANGE flag so that the caller can check it and decide to |
| 1369 | * take actions (eg: wait longer). If a sample could not be found or could not |
Willy Tarreau | 6bcb0a8 | 2014-07-30 08:56:35 +0200 | [diff] [blame] | 1370 | * be converted, NULL is returned. The caller MUST NOT use the sample if the |
| 1371 | * SMP_F_MAY_CHANGE flag is present, as it is used only as a hint that there is |
| 1372 | * still hope to get it after waiting longer, and is not converted to string. |
| 1373 | * The possible output combinations are the following : |
| 1374 | * |
| 1375 | * return MAY_CHANGE FINAL Meaning for the sample |
| 1376 | * NULL * * Not present and will never be (eg: header) |
| 1377 | * smp 0 * Final value converted (eg: header) |
| 1378 | * smp 1 0 Not present yet, may appear later (eg: header) |
| 1379 | * smp 1 1 never happens (either flag is cleared on output) |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1380 | */ |
Adis Nezirovic | 79beb24 | 2015-07-06 15:41:02 +0200 | [diff] [blame] | 1381 | struct sample *sample_fetch_as_type(struct proxy *px, struct session *sess, |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1382 | struct stream *strm, unsigned int opt, |
Adis Nezirovic | 79beb24 | 2015-07-06 15:41:02 +0200 | [diff] [blame] | 1383 | struct sample_expr *expr, int smp_type) |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1384 | { |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1385 | struct sample *smp = &temp_smp; |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1386 | |
Willy Tarreau | 6c616e0 | 2014-06-25 16:56:41 +0200 | [diff] [blame] | 1387 | memset(smp, 0, sizeof(*smp)); |
| 1388 | |
Willy Tarreau | 192252e | 2015-04-04 01:47:55 +0200 | [diff] [blame] | 1389 | if (!sample_process(px, sess, strm, opt, expr, smp)) { |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1390 | if ((smp->flags & SMP_F_MAY_CHANGE) && !(opt & SMP_OPT_FINAL)) |
| 1391 | return smp; |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1392 | return NULL; |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1393 | } |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1394 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1395 | if (!sample_casts[smp->data.type][smp_type]) |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1396 | return NULL; |
| 1397 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1398 | if (!sample_casts[smp->data.type][smp_type](smp)) |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1399 | return NULL; |
| 1400 | |
Willy Tarreau | 5b4bf70 | 2014-06-13 16:04:35 +0200 | [diff] [blame] | 1401 | smp->flags &= ~SMP_F_MAY_CHANGE; |
Willy Tarreau | e7ad4bb | 2012-12-21 00:02:32 +0100 | [diff] [blame] | 1402 | return smp; |
| 1403 | } |
| 1404 | |
Christopher Faulet | 476e5d0 | 2016-10-26 11:34:47 +0200 | [diff] [blame] | 1405 | static void release_sample_arg(struct arg *p) |
| 1406 | { |
| 1407 | struct arg *p_back = p; |
| 1408 | |
| 1409 | if (!p) |
| 1410 | return; |
| 1411 | |
| 1412 | while (p->type != ARGT_STOP) { |
| 1413 | if (p->type == ARGT_STR || p->unresolved) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1414 | free(p->data.str.area); |
| 1415 | p->data.str.area = NULL; |
Christopher Faulet | 476e5d0 | 2016-10-26 11:34:47 +0200 | [diff] [blame] | 1416 | p->unresolved = 0; |
| 1417 | } |
| 1418 | else if (p->type == ARGT_REG) { |
Dragan Dosen | 2674303 | 2019-04-30 15:54:36 +0200 | [diff] [blame] | 1419 | regex_free(p->data.reg); |
| 1420 | p->data.reg = NULL; |
Christopher Faulet | 476e5d0 | 2016-10-26 11:34:47 +0200 | [diff] [blame] | 1421 | } |
| 1422 | p++; |
| 1423 | } |
| 1424 | |
| 1425 | if (p_back != empty_arg_list) |
| 1426 | free(p_back); |
| 1427 | } |
| 1428 | |
| 1429 | void release_sample_expr(struct sample_expr *expr) |
| 1430 | { |
| 1431 | struct sample_conv_expr *conv_expr, *conv_exprb; |
| 1432 | |
| 1433 | if (!expr) |
| 1434 | return; |
| 1435 | |
| 1436 | list_for_each_entry_safe(conv_expr, conv_exprb, &expr->conv_exprs, list) |
| 1437 | release_sample_arg(conv_expr->arg_p); |
| 1438 | release_sample_arg(expr->arg_p); |
| 1439 | free(expr); |
| 1440 | } |
| 1441 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1442 | /*****************************************************************/ |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 1443 | /* Sample format convert functions */ |
Willy Tarreau | b8c8f1f | 2012-04-23 22:38:26 +0200 | [diff] [blame] | 1444 | /* These functions set the data type on return. */ |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1445 | /*****************************************************************/ |
| 1446 | |
Thierry FOURNIER | 9687c77 | 2015-05-07 15:46:29 +0200 | [diff] [blame] | 1447 | #ifdef DEBUG_EXPR |
| 1448 | static int sample_conv_debug(const struct arg *arg_p, struct sample *smp, void *private) |
| 1449 | { |
| 1450 | int i; |
| 1451 | struct sample tmp; |
| 1452 | |
| 1453 | if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1454 | fprintf(stderr, "[debug converter] type: %s ", smp_to_type[smp->data.type]); |
| 1455 | if (!sample_casts[smp->data.type][SMP_T_STR]) { |
Thierry FOURNIER | 9687c77 | 2015-05-07 15:46:29 +0200 | [diff] [blame] | 1456 | fprintf(stderr, "(undisplayable)"); |
| 1457 | } else { |
| 1458 | |
| 1459 | /* Copy sample fetch. This put the sample as const, the |
| 1460 | * cast will copy data if a transformation is required. |
| 1461 | */ |
| 1462 | memcpy(&tmp, smp, sizeof(struct sample)); |
| 1463 | tmp.flags = SMP_F_CONST; |
| 1464 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1465 | if (!sample_casts[smp->data.type][SMP_T_STR](&tmp)) |
Thierry FOURNIER | 9687c77 | 2015-05-07 15:46:29 +0200 | [diff] [blame] | 1466 | fprintf(stderr, "(undisplayable)"); |
| 1467 | |
| 1468 | else { |
| 1469 | /* Display the displayable chars*. */ |
| 1470 | fprintf(stderr, "<"); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1471 | for (i = 0; i < tmp.data.u.str.data; i++) { |
| 1472 | if (isprint(tmp.data.u.str.area[i])) |
| 1473 | fputc(tmp.data.u.str.area[i], |
| 1474 | stderr); |
Thierry FOURNIER | 9687c77 | 2015-05-07 15:46:29 +0200 | [diff] [blame] | 1475 | else |
| 1476 | fputc('.', stderr); |
| 1477 | } |
| 1478 | } |
| 1479 | fprintf(stderr, ">\n"); |
| 1480 | } |
| 1481 | } |
| 1482 | return 1; |
| 1483 | } |
| 1484 | #endif |
| 1485 | |
Holger Just | 1bfc24b | 2017-05-06 00:56:53 +0200 | [diff] [blame] | 1486 | static int sample_conv_base642bin(const struct arg *arg_p, struct sample *smp, void *private) |
| 1487 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1488 | struct buffer *trash = get_trash_chunk(); |
Holger Just | 1bfc24b | 2017-05-06 00:56:53 +0200 | [diff] [blame] | 1489 | int bin_len; |
| 1490 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1491 | trash->data = 0; |
| 1492 | bin_len = base64dec(smp->data.u.str.area, smp->data.u.str.data, |
| 1493 | trash->area, trash->size); |
Holger Just | 1bfc24b | 2017-05-06 00:56:53 +0200 | [diff] [blame] | 1494 | if (bin_len < 0) |
| 1495 | return 0; |
| 1496 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1497 | trash->data = bin_len; |
Holger Just | 1bfc24b | 2017-05-06 00:56:53 +0200 | [diff] [blame] | 1498 | smp->data.u.str = *trash; |
| 1499 | smp->data.type = SMP_T_BIN; |
| 1500 | smp->flags &= ~SMP_F_CONST; |
| 1501 | return 1; |
| 1502 | } |
| 1503 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1504 | static int sample_conv_bin2base64(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 1505 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1506 | struct buffer *trash = get_trash_chunk(); |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 1507 | int b64_len; |
| 1508 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1509 | trash->data = 0; |
| 1510 | b64_len = a2base64(smp->data.u.str.area, smp->data.u.str.data, |
| 1511 | trash->area, trash->size); |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 1512 | if (b64_len < 0) |
| 1513 | return 0; |
| 1514 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1515 | trash->data = b64_len; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1516 | smp->data.u.str = *trash; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1517 | smp->data.type = SMP_T_STR; |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 1518 | smp->flags &= ~SMP_F_CONST; |
| 1519 | return 1; |
| 1520 | } |
| 1521 | |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 1522 | static int sample_conv_sha1(const struct arg *arg_p, struct sample *smp, void *private) |
| 1523 | { |
| 1524 | blk_SHA_CTX ctx; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1525 | struct buffer *trash = get_trash_chunk(); |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 1526 | |
| 1527 | memset(&ctx, 0, sizeof(ctx)); |
| 1528 | |
| 1529 | blk_SHA1_Init(&ctx); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1530 | blk_SHA1_Update(&ctx, smp->data.u.str.area, smp->data.u.str.data); |
| 1531 | blk_SHA1_Final((unsigned char *) trash->area, &ctx); |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 1532 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1533 | trash->data = 20; |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 1534 | smp->data.u.str = *trash; |
| 1535 | smp->data.type = SMP_T_BIN; |
| 1536 | smp->flags &= ~SMP_F_CONST; |
| 1537 | return 1; |
| 1538 | } |
| 1539 | |
Tim Duesterhus | d437630 | 2019-06-17 12:41:44 +0200 | [diff] [blame] | 1540 | #ifdef USE_OPENSSL |
| 1541 | static int sample_conv_sha2(const struct arg *arg_p, struct sample *smp, void *private) |
| 1542 | { |
| 1543 | struct buffer *trash = get_trash_chunk(); |
| 1544 | int bits = 256; |
| 1545 | if (arg_p && arg_p->data.sint) |
| 1546 | bits = arg_p->data.sint; |
| 1547 | |
| 1548 | switch (bits) { |
| 1549 | case 224: { |
| 1550 | SHA256_CTX ctx; |
| 1551 | |
| 1552 | memset(&ctx, 0, sizeof(ctx)); |
| 1553 | |
| 1554 | SHA224_Init(&ctx); |
| 1555 | SHA224_Update(&ctx, smp->data.u.str.area, smp->data.u.str.data); |
| 1556 | SHA224_Final((unsigned char *) trash->area, &ctx); |
| 1557 | trash->data = SHA224_DIGEST_LENGTH; |
| 1558 | break; |
| 1559 | } |
| 1560 | case 256: { |
| 1561 | SHA256_CTX ctx; |
| 1562 | |
| 1563 | memset(&ctx, 0, sizeof(ctx)); |
| 1564 | |
| 1565 | SHA256_Init(&ctx); |
| 1566 | SHA256_Update(&ctx, smp->data.u.str.area, smp->data.u.str.data); |
| 1567 | SHA256_Final((unsigned char *) trash->area, &ctx); |
| 1568 | trash->data = SHA256_DIGEST_LENGTH; |
| 1569 | break; |
| 1570 | } |
| 1571 | case 384: { |
| 1572 | SHA512_CTX ctx; |
| 1573 | |
| 1574 | memset(&ctx, 0, sizeof(ctx)); |
| 1575 | |
| 1576 | SHA384_Init(&ctx); |
| 1577 | SHA384_Update(&ctx, smp->data.u.str.area, smp->data.u.str.data); |
| 1578 | SHA384_Final((unsigned char *) trash->area, &ctx); |
| 1579 | trash->data = SHA384_DIGEST_LENGTH; |
| 1580 | break; |
| 1581 | } |
| 1582 | case 512: { |
| 1583 | SHA512_CTX ctx; |
| 1584 | |
| 1585 | memset(&ctx, 0, sizeof(ctx)); |
| 1586 | |
| 1587 | SHA512_Init(&ctx); |
| 1588 | SHA512_Update(&ctx, smp->data.u.str.area, smp->data.u.str.data); |
| 1589 | SHA512_Final((unsigned char *) trash->area, &ctx); |
| 1590 | trash->data = SHA512_DIGEST_LENGTH; |
| 1591 | break; |
| 1592 | } |
| 1593 | default: |
| 1594 | return 0; |
| 1595 | } |
| 1596 | |
| 1597 | smp->data.u.str = *trash; |
| 1598 | smp->data.type = SMP_T_BIN; |
| 1599 | smp->flags &= ~SMP_F_CONST; |
| 1600 | return 1; |
| 1601 | } |
| 1602 | #endif |
| 1603 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1604 | static int sample_conv_bin2hex(const struct arg *arg_p, struct sample *smp, void *private) |
Thierry FOURNIER | 2f49d6d | 2014-03-12 15:01:52 +0100 | [diff] [blame] | 1605 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1606 | struct buffer *trash = get_trash_chunk(); |
Thierry FOURNIER | 2f49d6d | 2014-03-12 15:01:52 +0100 | [diff] [blame] | 1607 | unsigned char c; |
| 1608 | int ptr = 0; |
| 1609 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1610 | trash->data = 0; |
| 1611 | while (ptr < smp->data.u.str.data && trash->data <= trash->size - 2) { |
| 1612 | c = smp->data.u.str.area[ptr++]; |
| 1613 | trash->area[trash->data++] = hextab[(c >> 4) & 0xF]; |
| 1614 | trash->area[trash->data++] = hextab[c & 0xF]; |
Thierry FOURNIER | 2f49d6d | 2014-03-12 15:01:52 +0100 | [diff] [blame] | 1615 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1616 | smp->data.u.str = *trash; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1617 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 1618 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | 2f49d6d | 2014-03-12 15:01:52 +0100 | [diff] [blame] | 1619 | return 1; |
| 1620 | } |
| 1621 | |
Dragan Dosen | 3f957b2 | 2017-10-24 09:27:34 +0200 | [diff] [blame] | 1622 | static int sample_conv_hex2int(const struct arg *arg_p, struct sample *smp, void *private) |
| 1623 | { |
| 1624 | long long int n = 0; |
| 1625 | int i, c; |
| 1626 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1627 | for (i = 0; i < smp->data.u.str.data; i++) { |
| 1628 | if ((c = hex2i(smp->data.u.str.area[i])) < 0) |
Dragan Dosen | 3f957b2 | 2017-10-24 09:27:34 +0200 | [diff] [blame] | 1629 | return 0; |
| 1630 | n = (n << 4) + c; |
| 1631 | } |
| 1632 | |
| 1633 | smp->data.u.sint = n; |
| 1634 | smp->data.type = SMP_T_SINT; |
| 1635 | smp->flags &= ~SMP_F_CONST; |
| 1636 | return 1; |
| 1637 | } |
| 1638 | |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1639 | /* hashes the binary input into a 32-bit unsigned int */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1640 | static int sample_conv_djb2(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1641 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1642 | smp->data.u.sint = hash_djb2(smp->data.u.str.area, |
| 1643 | smp->data.u.str.data); |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1644 | if (arg_p && arg_p->data.sint) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1645 | smp->data.u.sint = full_hash(smp->data.u.sint); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1646 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1647 | return 1; |
| 1648 | } |
| 1649 | |
Willy Tarreau | 60a2ee7 | 2017-12-15 07:13:48 +0100 | [diff] [blame] | 1650 | static int sample_conv_length(const struct arg *arg_p, struct sample *smp, void *private) |
Etienne Carriere | ed0d24e | 2017-12-13 13:41:34 +0100 | [diff] [blame] | 1651 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1652 | int i = smp->data.u.str.data; |
Etienne Carriere | ed0d24e | 2017-12-13 13:41:34 +0100 | [diff] [blame] | 1653 | smp->data.u.sint = i; |
| 1654 | smp->data.type = SMP_T_SINT; |
| 1655 | return 1; |
| 1656 | } |
| 1657 | |
| 1658 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1659 | static int sample_conv_str2lower(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1660 | { |
| 1661 | int i; |
| 1662 | |
Willy Tarreau | f0645dc | 2016-08-09 14:29:38 +0200 | [diff] [blame] | 1663 | if (!smp_make_rw(smp)) |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 1664 | return 0; |
| 1665 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1666 | for (i = 0; i < smp->data.u.str.data; i++) { |
| 1667 | if ((smp->data.u.str.area[i] >= 'A') && (smp->data.u.str.area[i] <= 'Z')) |
| 1668 | smp->data.u.str.area[i] += 'a' - 'A'; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1669 | } |
| 1670 | return 1; |
| 1671 | } |
| 1672 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1673 | static int sample_conv_str2upper(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1674 | { |
| 1675 | int i; |
| 1676 | |
Willy Tarreau | f0645dc | 2016-08-09 14:29:38 +0200 | [diff] [blame] | 1677 | if (!smp_make_rw(smp)) |
Emeric Brun | 485479d | 2010-09-23 18:02:19 +0200 | [diff] [blame] | 1678 | return 0; |
| 1679 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1680 | for (i = 0; i < smp->data.u.str.data; i++) { |
| 1681 | if ((smp->data.u.str.area[i] >= 'a') && (smp->data.u.str.area[i] <= 'z')) |
| 1682 | smp->data.u.str.area[i] += 'A' - 'a'; |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 1683 | } |
| 1684 | return 1; |
| 1685 | } |
| 1686 | |
Tim Duesterhus | 1478aa7 | 2018-01-25 16:24:51 +0100 | [diff] [blame] | 1687 | /* takes the IPv4 mask in args[0] and an optional IPv6 mask in args[1] */ |
| 1688 | static int sample_conv_ipmask(const struct arg *args, struct sample *smp, void *private) |
Willy Tarreau | d31d6eb | 2010-01-26 18:01:41 +0100 | [diff] [blame] | 1689 | { |
Tim Duesterhus | 1478aa7 | 2018-01-25 16:24:51 +0100 | [diff] [blame] | 1690 | /* Attempt to convert to IPv4 to apply the correct mask. */ |
| 1691 | c_ipv62ip(smp); |
| 1692 | |
| 1693 | if (smp->data.type == SMP_T_IPV4) { |
| 1694 | smp->data.u.ipv4.s_addr &= args[0].data.ipv4.s_addr; |
| 1695 | smp->data.type = SMP_T_IPV4; |
| 1696 | } |
| 1697 | else if (smp->data.type == SMP_T_IPV6) { |
| 1698 | /* IPv6 cannot be converted without an IPv6 mask. */ |
| 1699 | if (args[1].type != ARGT_IPV6) |
| 1700 | return 0; |
| 1701 | |
| 1702 | *(uint32_t*)&smp->data.u.ipv6.s6_addr[0] &= *(uint32_t*)&args[1].data.ipv6.s6_addr[0]; |
| 1703 | *(uint32_t*)&smp->data.u.ipv6.s6_addr[4] &= *(uint32_t*)&args[1].data.ipv6.s6_addr[4]; |
| 1704 | *(uint32_t*)&smp->data.u.ipv6.s6_addr[8] &= *(uint32_t*)&args[1].data.ipv6.s6_addr[8]; |
| 1705 | *(uint32_t*)&smp->data.u.ipv6.s6_addr[12] &= *(uint32_t*)&args[1].data.ipv6.s6_addr[12]; |
| 1706 | smp->data.type = SMP_T_IPV6; |
| 1707 | } |
| 1708 | |
Willy Tarreau | d31d6eb | 2010-01-26 18:01:41 +0100 | [diff] [blame] | 1709 | return 1; |
| 1710 | } |
| 1711 | |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1712 | /* takes an UINT value on input supposed to represent the time since EPOCH, |
| 1713 | * adds an optional offset found in args[1] and emits a string representing |
| 1714 | * the local time in the format specified in args[1] using strftime(). |
| 1715 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1716 | static int sample_conv_ltime(const struct arg *args, struct sample *smp, void *private) |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1717 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1718 | struct buffer *temp; |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1719 | /* With high numbers, the date returned can be negative, the 55 bits mask prevent this. */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1720 | time_t curr_date = smp->data.u.sint & 0x007fffffffffffffLL; |
Thierry FOURNIER | fac9ccf | 2015-07-08 00:15:20 +0200 | [diff] [blame] | 1721 | struct tm *tm; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1722 | |
| 1723 | /* add offset */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1724 | if (args[1].type == ARGT_SINT) |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1725 | curr_date += args[1].data.sint; |
| 1726 | |
Thierry FOURNIER | fac9ccf | 2015-07-08 00:15:20 +0200 | [diff] [blame] | 1727 | tm = localtime(&curr_date); |
| 1728 | if (!tm) |
| 1729 | return 0; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1730 | temp = get_trash_chunk(); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1731 | temp->data = strftime(temp->area, temp->size, args[0].data.str.area, |
| 1732 | tm); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1733 | smp->data.u.str = *temp; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1734 | smp->data.type = SMP_T_STR; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1735 | return 1; |
| 1736 | } |
| 1737 | |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1738 | /* hashes the binary input into a 32-bit unsigned int */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1739 | static int sample_conv_sdbm(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1740 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1741 | smp->data.u.sint = hash_sdbm(smp->data.u.str.area, |
| 1742 | smp->data.u.str.data); |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1743 | if (arg_p && arg_p->data.sint) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1744 | smp->data.u.sint = full_hash(smp->data.u.sint); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1745 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1746 | return 1; |
| 1747 | } |
| 1748 | |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1749 | /* takes an UINT value on input supposed to represent the time since EPOCH, |
| 1750 | * adds an optional offset found in args[1] and emits a string representing |
| 1751 | * the UTC date in the format specified in args[1] using strftime(). |
| 1752 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1753 | static int sample_conv_utime(const struct arg *args, struct sample *smp, void *private) |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1754 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1755 | struct buffer *temp; |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1756 | /* With high numbers, the date returned can be negative, the 55 bits mask prevent this. */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1757 | time_t curr_date = smp->data.u.sint & 0x007fffffffffffffLL; |
Thierry FOURNIER | fac9ccf | 2015-07-08 00:15:20 +0200 | [diff] [blame] | 1758 | struct tm *tm; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1759 | |
| 1760 | /* add offset */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1761 | if (args[1].type == ARGT_SINT) |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1762 | curr_date += args[1].data.sint; |
| 1763 | |
Thierry FOURNIER | fac9ccf | 2015-07-08 00:15:20 +0200 | [diff] [blame] | 1764 | tm = gmtime(&curr_date); |
| 1765 | if (!tm) |
| 1766 | return 0; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1767 | temp = get_trash_chunk(); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1768 | temp->data = strftime(temp->area, temp->size, args[0].data.str.area, |
| 1769 | tm); |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1770 | smp->data.u.str = *temp; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1771 | smp->data.type = SMP_T_STR; |
Willy Tarreau | 0dbfdba | 2014-07-10 16:37:47 +0200 | [diff] [blame] | 1772 | return 1; |
| 1773 | } |
| 1774 | |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1775 | /* hashes the binary input into a 32-bit unsigned int */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1776 | static int sample_conv_wt6(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1777 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1778 | smp->data.u.sint = hash_wt6(smp->data.u.str.area, |
| 1779 | smp->data.u.str.data); |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1780 | if (arg_p && arg_p->data.sint) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1781 | smp->data.u.sint = full_hash(smp->data.u.sint); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1782 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 23ec4ca | 2014-07-15 20:15:37 +0200 | [diff] [blame] | 1783 | return 1; |
| 1784 | } |
| 1785 | |
Thierry FOURNIER | 01e0974 | 2016-12-26 11:46:11 +0100 | [diff] [blame] | 1786 | /* hashes the binary input into a 32-bit unsigned int using xxh. |
| 1787 | * The seed of the hash defaults to 0 but can be changd in argument 1. |
| 1788 | */ |
| 1789 | static int sample_conv_xxh32(const struct arg *arg_p, struct sample *smp, void *private) |
| 1790 | { |
| 1791 | unsigned int seed; |
| 1792 | |
| 1793 | if (arg_p && arg_p->data.sint) |
| 1794 | seed = arg_p->data.sint; |
| 1795 | else |
| 1796 | seed = 0; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1797 | smp->data.u.sint = XXH32(smp->data.u.str.area, smp->data.u.str.data, |
| 1798 | seed); |
Thierry FOURNIER | 01e0974 | 2016-12-26 11:46:11 +0100 | [diff] [blame] | 1799 | smp->data.type = SMP_T_SINT; |
| 1800 | return 1; |
| 1801 | } |
| 1802 | |
| 1803 | /* hashes the binary input into a 64-bit unsigned int using xxh. |
| 1804 | * In fact, the function returns a 64 bit unsigned, but the sample |
| 1805 | * storage of haproxy only proposes 64-bits signed, so the value is |
| 1806 | * cast as signed. This cast doesn't impact the hash repartition. |
| 1807 | * The seed of the hash defaults to 0 but can be changd in argument 1. |
| 1808 | */ |
| 1809 | static int sample_conv_xxh64(const struct arg *arg_p, struct sample *smp, void *private) |
| 1810 | { |
| 1811 | unsigned long long int seed; |
| 1812 | |
| 1813 | if (arg_p && arg_p->data.sint) |
| 1814 | seed = (unsigned long long int)arg_p->data.sint; |
| 1815 | else |
| 1816 | seed = 0; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1817 | smp->data.u.sint = (long long int)XXH64(smp->data.u.str.area, |
| 1818 | smp->data.u.str.data, seed); |
Thierry FOURNIER | 01e0974 | 2016-12-26 11:46:11 +0100 | [diff] [blame] | 1819 | smp->data.type = SMP_T_SINT; |
| 1820 | return 1; |
| 1821 | } |
| 1822 | |
Willy Tarreau | 8059977 | 2015-01-20 19:35:24 +0100 | [diff] [blame] | 1823 | /* hashes the binary input into a 32-bit unsigned int */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1824 | static int sample_conv_crc32(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 8059977 | 2015-01-20 19:35:24 +0100 | [diff] [blame] | 1825 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1826 | smp->data.u.sint = hash_crc32(smp->data.u.str.area, |
| 1827 | smp->data.u.str.data); |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1828 | if (arg_p && arg_p->data.sint) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 1829 | smp->data.u.sint = full_hash(smp->data.u.sint); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 1830 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 8059977 | 2015-01-20 19:35:24 +0100 | [diff] [blame] | 1831 | return 1; |
| 1832 | } |
| 1833 | |
Emmanuel Hocdet | 50791a7 | 2018-03-21 11:19:01 +0100 | [diff] [blame] | 1834 | /* hashes the binary input into crc32c (RFC4960, Appendix B [8].) */ |
| 1835 | static int sample_conv_crc32c(const struct arg *arg_p, struct sample *smp, void *private) |
| 1836 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1837 | smp->data.u.sint = hash_crc32c(smp->data.u.str.area, |
| 1838 | smp->data.u.str.data); |
Emmanuel Hocdet | 50791a7 | 2018-03-21 11:19:01 +0100 | [diff] [blame] | 1839 | if (arg_p && arg_p->data.sint) |
| 1840 | smp->data.u.sint = full_hash(smp->data.u.sint); |
| 1841 | smp->data.type = SMP_T_SINT; |
| 1842 | return 1; |
| 1843 | } |
| 1844 | |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1845 | /* This function escape special json characters. The returned string can be |
| 1846 | * safely set between two '"' and used as json string. The json string is |
| 1847 | * defined like this: |
| 1848 | * |
| 1849 | * any Unicode character except '"' or '\' or control character |
| 1850 | * \", \\, \/, \b, \f, \n, \r, \t, \u + four-hex-digits |
| 1851 | * |
| 1852 | * The enum input_type contain all the allowed mode for decoding the input |
| 1853 | * string. |
| 1854 | */ |
| 1855 | enum input_type { |
| 1856 | IT_ASCII = 0, |
| 1857 | IT_UTF8, |
| 1858 | IT_UTF8S, |
| 1859 | IT_UTF8P, |
| 1860 | IT_UTF8PS, |
| 1861 | }; |
| 1862 | static int sample_conv_json_check(struct arg *arg, struct sample_conv *conv, |
| 1863 | const char *file, int line, char **err) |
| 1864 | { |
| 1865 | if (!arg) { |
| 1866 | memprintf(err, "Unexpected empty arg list"); |
| 1867 | return 0; |
| 1868 | } |
| 1869 | |
| 1870 | if (arg->type != ARGT_STR) { |
| 1871 | memprintf(err, "Unexpected arg type"); |
| 1872 | return 0; |
| 1873 | } |
| 1874 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1875 | if (strcmp(arg->data.str.area, "") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1876 | arg->type = ARGT_SINT; |
| 1877 | arg->data.sint = IT_ASCII; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1878 | return 1; |
| 1879 | } |
| 1880 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1881 | else if (strcmp(arg->data.str.area, "ascii") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1882 | arg->type = ARGT_SINT; |
| 1883 | arg->data.sint = IT_ASCII; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1884 | return 1; |
| 1885 | } |
| 1886 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1887 | else if (strcmp(arg->data.str.area, "utf8") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1888 | arg->type = ARGT_SINT; |
| 1889 | arg->data.sint = IT_UTF8; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1890 | return 1; |
| 1891 | } |
| 1892 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1893 | else if (strcmp(arg->data.str.area, "utf8s") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1894 | arg->type = ARGT_SINT; |
| 1895 | arg->data.sint = IT_UTF8S; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1896 | return 1; |
| 1897 | } |
| 1898 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1899 | else if (strcmp(arg->data.str.area, "utf8p") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1900 | arg->type = ARGT_SINT; |
| 1901 | arg->data.sint = IT_UTF8P; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1902 | return 1; |
| 1903 | } |
| 1904 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1905 | else if (strcmp(arg->data.str.area, "utf8ps") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1906 | arg->type = ARGT_SINT; |
| 1907 | arg->data.sint = IT_UTF8PS; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1908 | return 1; |
| 1909 | } |
| 1910 | |
Thierry FOURNIER / OZON.IO | a69c912 | 2016-11-23 01:13:57 +0100 | [diff] [blame] | 1911 | memprintf(err, "Unexpected input code type. " |
| 1912 | "Allowed value are 'ascii', 'utf8', 'utf8s', 'utf8p' and 'utf8ps'"); |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1913 | return 0; |
| 1914 | } |
| 1915 | |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 1916 | static int sample_conv_json(const struct arg *arg_p, struct sample *smp, void *private) |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1917 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 1918 | struct buffer *temp; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1919 | char _str[7]; /* \u + 4 hex digit + null char for sprintf. */ |
| 1920 | const char *str; |
| 1921 | int len; |
| 1922 | enum input_type input_type = IT_ASCII; |
| 1923 | unsigned int c; |
| 1924 | unsigned int ret; |
| 1925 | char *p; |
| 1926 | |
| 1927 | if (arg_p) |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 1928 | input_type = arg_p->data.sint; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1929 | |
| 1930 | temp = get_trash_chunk(); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1931 | temp->data = 0; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1932 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1933 | p = smp->data.u.str.area; |
| 1934 | while (p < smp->data.u.str.area + smp->data.u.str.data) { |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1935 | |
| 1936 | if (input_type == IT_ASCII) { |
| 1937 | /* Read input as ASCII. */ |
| 1938 | c = *(unsigned char *)p; |
| 1939 | p++; |
| 1940 | } |
| 1941 | else { |
| 1942 | /* Read input as UTF8. */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1943 | ret = utf8_next(p, |
| 1944 | smp->data.u.str.data - ( p - smp->data.u.str.area), |
| 1945 | &c); |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 1946 | p += utf8_return_length(ret); |
| 1947 | |
| 1948 | if (input_type == IT_UTF8 && utf8_return_code(ret) != UTF8_CODE_OK) |
| 1949 | return 0; |
| 1950 | if (input_type == IT_UTF8S && utf8_return_code(ret) != UTF8_CODE_OK) |
| 1951 | continue; |
| 1952 | if (input_type == IT_UTF8P && utf8_return_code(ret) & (UTF8_CODE_INVRANGE|UTF8_CODE_BADSEQ)) |
| 1953 | return 0; |
| 1954 | if (input_type == IT_UTF8PS && utf8_return_code(ret) & (UTF8_CODE_INVRANGE|UTF8_CODE_BADSEQ)) |
| 1955 | continue; |
| 1956 | |
| 1957 | /* Check too big values. */ |
| 1958 | if ((unsigned int)c > 0xffff) { |
| 1959 | if (input_type == IT_UTF8 || input_type == IT_UTF8P) |
| 1960 | return 0; |
| 1961 | continue; |
| 1962 | } |
| 1963 | } |
| 1964 | |
| 1965 | /* Convert character. */ |
| 1966 | if (c == '"') { |
| 1967 | len = 2; |
| 1968 | str = "\\\""; |
| 1969 | } |
| 1970 | else if (c == '\\') { |
| 1971 | len = 2; |
| 1972 | str = "\\\\"; |
| 1973 | } |
| 1974 | else if (c == '/') { |
| 1975 | len = 2; |
| 1976 | str = "\\/"; |
| 1977 | } |
| 1978 | else if (c == '\b') { |
| 1979 | len = 2; |
| 1980 | str = "\\b"; |
| 1981 | } |
| 1982 | else if (c == '\f') { |
| 1983 | len = 2; |
| 1984 | str = "\\f"; |
| 1985 | } |
| 1986 | else if (c == '\r') { |
| 1987 | len = 2; |
| 1988 | str = "\\r"; |
| 1989 | } |
| 1990 | else if (c == '\n') { |
| 1991 | len = 2; |
| 1992 | str = "\\n"; |
| 1993 | } |
| 1994 | else if (c == '\t') { |
| 1995 | len = 2; |
| 1996 | str = "\\t"; |
| 1997 | } |
| 1998 | else if (c > 0xff || !isprint(c)) { |
| 1999 | /* isprint generate a segfault if c is too big. The man says that |
| 2000 | * c must have the value of an unsigned char or EOF. |
| 2001 | */ |
| 2002 | len = 6; |
| 2003 | _str[0] = '\\'; |
| 2004 | _str[1] = 'u'; |
| 2005 | snprintf(&_str[2], 5, "%04x", (unsigned short)c); |
| 2006 | str = _str; |
| 2007 | } |
| 2008 | else { |
| 2009 | len = 1; |
| 2010 | str = (char *)&c; |
| 2011 | } |
| 2012 | |
| 2013 | /* Check length */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2014 | if (temp->data + len > temp->size) |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 2015 | return 0; |
| 2016 | |
| 2017 | /* Copy string. */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2018 | memcpy(temp->area + temp->data, str, len); |
| 2019 | temp->data += len; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 2020 | } |
| 2021 | |
| 2022 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2023 | smp->data.u.str = *temp; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2024 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 2025 | |
| 2026 | return 1; |
| 2027 | } |
| 2028 | |
Emeric Brun | 54c4ac8 | 2014-11-03 15:32:43 +0100 | [diff] [blame] | 2029 | /* This sample function is designed to extract some bytes from an input buffer. |
| 2030 | * First arg is the offset. |
| 2031 | * Optional second arg is the length to truncate */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2032 | static int sample_conv_bytes(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | 54c4ac8 | 2014-11-03 15:32:43 +0100 | [diff] [blame] | 2033 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2034 | if (smp->data.u.str.data <= arg_p[0].data.sint) { |
| 2035 | smp->data.u.str.data = 0; |
Emeric Brun | 54c4ac8 | 2014-11-03 15:32:43 +0100 | [diff] [blame] | 2036 | return 1; |
| 2037 | } |
| 2038 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2039 | if (smp->data.u.str.size) |
| 2040 | smp->data.u.str.size -= arg_p[0].data.sint; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2041 | smp->data.u.str.data -= arg_p[0].data.sint; |
| 2042 | smp->data.u.str.area += arg_p[0].data.sint; |
Emeric Brun | 54c4ac8 | 2014-11-03 15:32:43 +0100 | [diff] [blame] | 2043 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2044 | if ((arg_p[1].type == ARGT_SINT) && (arg_p[1].data.sint < smp->data.u.str.data)) |
| 2045 | smp->data.u.str.data = arg_p[1].data.sint; |
Emeric Brun | 54c4ac8 | 2014-11-03 15:32:43 +0100 | [diff] [blame] | 2046 | |
| 2047 | return 1; |
| 2048 | } |
| 2049 | |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2050 | static int sample_conv_field_check(struct arg *args, struct sample_conv *conv, |
| 2051 | const char *file, int line, char **err) |
| 2052 | { |
| 2053 | struct arg *arg = args; |
| 2054 | |
| 2055 | if (!arg) { |
| 2056 | memprintf(err, "Unexpected empty arg list"); |
| 2057 | return 0; |
| 2058 | } |
| 2059 | |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2060 | if (arg->type != ARGT_SINT) { |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2061 | memprintf(err, "Unexpected arg type"); |
| 2062 | return 0; |
| 2063 | } |
| 2064 | |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2065 | if (!arg->data.sint) { |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2066 | memprintf(err, "Unexpected value 0 for index"); |
| 2067 | return 0; |
| 2068 | } |
| 2069 | |
| 2070 | arg++; |
| 2071 | |
| 2072 | if (arg->type != ARGT_STR) { |
| 2073 | memprintf(err, "Unexpected arg type"); |
| 2074 | return 0; |
| 2075 | } |
| 2076 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2077 | if (!arg->data.str.data) { |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2078 | memprintf(err, "Empty separators list"); |
| 2079 | return 0; |
| 2080 | } |
| 2081 | |
| 2082 | return 1; |
| 2083 | } |
| 2084 | |
| 2085 | /* This sample function is designed to a return selected part of a string (field). |
| 2086 | * First arg is the index of the field (start at 1) |
| 2087 | * Second arg is a char list of separators (type string) |
| 2088 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2089 | static int sample_conv_field(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2090 | { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2091 | int field; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2092 | char *start, *end; |
| 2093 | int i; |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2094 | int count = (arg_p[2].type == ARGT_SINT) ? arg_p[2].data.sint : 1; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2095 | |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2096 | if (!arg_p[0].data.sint) |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2097 | return 0; |
| 2098 | |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2099 | if (arg_p[0].data.sint < 0) { |
| 2100 | field = -1; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2101 | end = start = smp->data.u.str.area + smp->data.u.str.data; |
| 2102 | while (start > smp->data.u.str.area) { |
| 2103 | for (i = 0 ; i < arg_p[1].data.str.data; i++) { |
| 2104 | if (*(start-1) == arg_p[1].data.str.area[i]) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2105 | if (field == arg_p[0].data.sint) { |
| 2106 | if (count == 1) |
| 2107 | goto found; |
| 2108 | else if (count > 1) |
| 2109 | count--; |
| 2110 | } else { |
| 2111 | end = start-1; |
| 2112 | field--; |
| 2113 | } |
| 2114 | break; |
| 2115 | } |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2116 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2117 | start--; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2118 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2119 | } else { |
| 2120 | field = 1; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2121 | end = start = smp->data.u.str.area; |
| 2122 | while (end - smp->data.u.str.area < smp->data.u.str.data) { |
| 2123 | for (i = 0 ; i < arg_p[1].data.str.data; i++) { |
| 2124 | if (*end == arg_p[1].data.str.area[i]) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2125 | if (field == arg_p[0].data.sint) { |
| 2126 | if (count == 1) |
| 2127 | goto found; |
| 2128 | else if (count > 1) |
| 2129 | count--; |
| 2130 | } else { |
| 2131 | start = end+1; |
| 2132 | field++; |
| 2133 | } |
| 2134 | break; |
| 2135 | } |
| 2136 | } |
| 2137 | end++; |
| 2138 | } |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2139 | } |
| 2140 | |
| 2141 | /* Field not found */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2142 | if (field != arg_p[0].data.sint) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2143 | smp->data.u.str.data = 0; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2144 | return 1; |
| 2145 | } |
| 2146 | found: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2147 | smp->data.u.str.data = end - start; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2148 | /* If ret string is len 0, no need to |
| 2149 | change pointers or to update size */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2150 | if (!smp->data.u.str.data) |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2151 | return 1; |
| 2152 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2153 | smp->data.u.str.area = start; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2154 | |
| 2155 | /* Compute remaining size if needed |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2156 | Note: smp->data.u.str.size cannot be set to 0 */ |
| 2157 | if (smp->data.u.str.size) |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2158 | smp->data.u.str.size -= start - smp->data.u.str.area; |
Emeric Brun | f399b0d | 2014-11-03 17:07:03 +0100 | [diff] [blame] | 2159 | |
| 2160 | return 1; |
| 2161 | } |
| 2162 | |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2163 | /* This sample function is designed to return a word from a string. |
| 2164 | * First arg is the index of the word (start at 1) |
| 2165 | * Second arg is a char list of words separators (type string) |
| 2166 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2167 | static int sample_conv_word(const struct arg *arg_p, struct sample *smp, void *private) |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2168 | { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2169 | int word; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2170 | char *start, *end; |
| 2171 | int i, issep, inword; |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2172 | int count = (arg_p[2].type == ARGT_SINT) ? arg_p[2].data.sint : 1; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2173 | |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2174 | if (!arg_p[0].data.sint) |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2175 | return 0; |
| 2176 | |
| 2177 | word = 0; |
| 2178 | inword = 0; |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2179 | if (arg_p[0].data.sint < 0) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2180 | end = start = smp->data.u.str.area + smp->data.u.str.data; |
| 2181 | while (start > smp->data.u.str.area) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2182 | issep = 0; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2183 | for (i = 0 ; i < arg_p[1].data.str.data; i++) { |
| 2184 | if (*(start-1) == arg_p[1].data.str.area[i]) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2185 | issep = 1; |
| 2186 | break; |
| 2187 | } |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2188 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2189 | if (!inword) { |
| 2190 | if (!issep) { |
| 2191 | if (word != arg_p[0].data.sint) { |
| 2192 | word--; |
| 2193 | end = start; |
| 2194 | } |
| 2195 | inword = 1; |
| 2196 | } |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2197 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2198 | else if (issep) { |
Willy Tarreau | 9eb2a4a | 2018-04-19 10:33:28 +0200 | [diff] [blame] | 2199 | if (word == arg_p[0].data.sint) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2200 | if (count == 1) |
| 2201 | goto found; |
| 2202 | else if (count > 1) |
| 2203 | count--; |
Willy Tarreau | 9eb2a4a | 2018-04-19 10:33:28 +0200 | [diff] [blame] | 2204 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2205 | inword = 0; |
| 2206 | } |
| 2207 | start--; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2208 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2209 | } else { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2210 | end = start = smp->data.u.str.area; |
| 2211 | while (end - smp->data.u.str.area < smp->data.u.str.data) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2212 | issep = 0; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2213 | for (i = 0 ; i < arg_p[1].data.str.data; i++) { |
| 2214 | if (*end == arg_p[1].data.str.area[i]) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2215 | issep = 1; |
| 2216 | break; |
| 2217 | } |
| 2218 | } |
| 2219 | if (!inword) { |
| 2220 | if (!issep) { |
| 2221 | if (word != arg_p[0].data.sint) { |
| 2222 | word++; |
| 2223 | start = end; |
| 2224 | } |
| 2225 | inword = 1; |
| 2226 | } |
| 2227 | } |
| 2228 | else if (issep) { |
Willy Tarreau | 9eb2a4a | 2018-04-19 10:33:28 +0200 | [diff] [blame] | 2229 | if (word == arg_p[0].data.sint) { |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2230 | if (count == 1) |
| 2231 | goto found; |
| 2232 | else if (count > 1) |
| 2233 | count--; |
Willy Tarreau | 9eb2a4a | 2018-04-19 10:33:28 +0200 | [diff] [blame] | 2234 | } |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 2235 | inword = 0; |
| 2236 | } |
| 2237 | end++; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2238 | } |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2239 | } |
| 2240 | |
| 2241 | /* Field not found */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2242 | if (word != arg_p[0].data.sint) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2243 | smp->data.u.str.data = 0; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2244 | return 1; |
| 2245 | } |
| 2246 | found: |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2247 | smp->data.u.str.data = end - start; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2248 | /* If ret string is len 0, no need to |
| 2249 | change pointers or to update size */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2250 | if (!smp->data.u.str.data) |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2251 | return 1; |
| 2252 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2253 | smp->data.u.str.area = start; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2254 | |
| 2255 | /* Compute remaining size if needed |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2256 | Note: smp->data.u.str.size cannot be set to 0 */ |
| 2257 | if (smp->data.u.str.size) |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2258 | smp->data.u.str.size -= start - smp->data.u.str.area; |
Emeric Brun | c9a0f6d | 2014-11-25 14:09:01 +0100 | [diff] [blame] | 2259 | |
| 2260 | return 1; |
| 2261 | } |
| 2262 | |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2263 | static int sample_conv_regsub_check(struct arg *args, struct sample_conv *conv, |
| 2264 | const char *file, int line, char **err) |
| 2265 | { |
| 2266 | struct arg *arg = args; |
| 2267 | char *p; |
| 2268 | int len; |
| 2269 | |
| 2270 | /* arg0 is a regex, it uses type_flag for ICASE and global match */ |
| 2271 | arg[0].type_flags = 0; |
| 2272 | |
| 2273 | if (arg[2].type != ARGT_STR) |
| 2274 | return 1; |
| 2275 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2276 | p = arg[2].data.str.area; |
| 2277 | len = arg[2].data.str.data; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2278 | while (len) { |
| 2279 | if (*p == 'i') { |
| 2280 | arg[0].type_flags |= ARGF_REG_ICASE; |
| 2281 | } |
| 2282 | else if (*p == 'g') { |
| 2283 | arg[0].type_flags |= ARGF_REG_GLOB; |
| 2284 | } |
| 2285 | else { |
| 2286 | memprintf(err, "invalid regex flag '%c', only 'i' and 'g' are supported", *p); |
| 2287 | return 0; |
| 2288 | } |
| 2289 | p++; |
| 2290 | len--; |
| 2291 | } |
| 2292 | return 1; |
| 2293 | } |
| 2294 | |
| 2295 | /* This sample function is designed to do the equivalent of s/match/replace/ on |
| 2296 | * the input string. It applies a regex and restarts from the last matched |
| 2297 | * location until nothing matches anymore. First arg is the regex to apply to |
| 2298 | * the input string, second arg is the replacement expression. |
| 2299 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2300 | static int sample_conv_regsub(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2301 | { |
| 2302 | char *start, *end; |
| 2303 | struct my_regex *reg = arg_p[0].data.reg; |
| 2304 | regmatch_t pmatch[MAX_MATCH]; |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 2305 | struct buffer *trash = get_trash_chunk(); |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2306 | int flag, max; |
| 2307 | int found; |
| 2308 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2309 | start = smp->data.u.str.area; |
| 2310 | end = start + smp->data.u.str.data; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2311 | |
| 2312 | flag = 0; |
| 2313 | while (1) { |
| 2314 | /* check for last round which is used to copy remaining parts |
| 2315 | * when not running in global replacement mode. |
| 2316 | */ |
| 2317 | found = 0; |
| 2318 | if ((arg_p[0].type_flags & ARGF_REG_GLOB) || !(flag & REG_NOTBOL)) { |
| 2319 | /* Note: we can have start == end on empty strings or at the end */ |
| 2320 | found = regex_exec_match2(reg, start, end - start, MAX_MATCH, pmatch, flag); |
| 2321 | } |
| 2322 | |
| 2323 | if (!found) |
| 2324 | pmatch[0].rm_so = end - start; |
| 2325 | |
| 2326 | /* copy the heading non-matching part (which may also be the tail if nothing matches) */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2327 | max = trash->size - trash->data; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2328 | if (max && pmatch[0].rm_so > 0) { |
| 2329 | if (max > pmatch[0].rm_so) |
| 2330 | max = pmatch[0].rm_so; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2331 | memcpy(trash->area + trash->data, start, max); |
| 2332 | trash->data += max; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2333 | } |
| 2334 | |
| 2335 | if (!found) |
| 2336 | break; |
| 2337 | |
| 2338 | /* replace the matching part */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2339 | max = trash->size - trash->data; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2340 | if (max) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2341 | if (max > arg_p[1].data.str.data) |
| 2342 | max = arg_p[1].data.str.data; |
| 2343 | memcpy(trash->area + trash->data, |
| 2344 | arg_p[1].data.str.area, max); |
| 2345 | trash->data += max; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2346 | } |
| 2347 | |
| 2348 | /* stop here if we're done with this string */ |
| 2349 | if (start >= end) |
| 2350 | break; |
| 2351 | |
| 2352 | /* We have a special case for matches of length 0 (eg: "x*y*"). |
| 2353 | * These ones are considered to match in front of a character, |
| 2354 | * so we have to copy that character and skip to the next one. |
| 2355 | */ |
| 2356 | if (!pmatch[0].rm_eo) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2357 | if (trash->data < trash->size) |
| 2358 | trash->area[trash->data++] = start[pmatch[0].rm_eo]; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2359 | pmatch[0].rm_eo++; |
| 2360 | } |
| 2361 | |
| 2362 | start += pmatch[0].rm_eo; |
| 2363 | flag |= REG_NOTBOL; |
| 2364 | } |
| 2365 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2366 | smp->data.u.str = *trash; |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 2367 | return 1; |
| 2368 | } |
| 2369 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2370 | /* This function check an operator entry. It expects a string. |
| 2371 | * The string can be an integer or a variable name. |
| 2372 | */ |
| 2373 | static int check_operator(struct arg *args, struct sample_conv *conv, |
| 2374 | const char *file, int line, char **err) |
| 2375 | { |
| 2376 | const char *str; |
| 2377 | const char *end; |
| 2378 | |
| 2379 | /* Try to decode a variable. */ |
| 2380 | if (vars_check_arg(&args[0], NULL)) |
| 2381 | return 1; |
| 2382 | |
| 2383 | /* Try to convert an integer */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2384 | str = args[0].data.str.area; |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2385 | end = str + strlen(str); |
| 2386 | args[0].data.sint = read_int64(&str, end); |
| 2387 | if (*str != '\0') { |
| 2388 | memprintf(err, "expects an integer or a variable name"); |
| 2389 | return 0; |
| 2390 | } |
| 2391 | args[0].type = ARGT_SINT; |
| 2392 | return 1; |
| 2393 | } |
| 2394 | |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2395 | /* This function returns a sample struct filled with an arg content. |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2396 | * If the arg contain an integer, the integer is returned in the |
| 2397 | * sample. If the arg contains a variable descriptor, it returns the |
| 2398 | * variable value. |
| 2399 | * |
| 2400 | * This function returns 0 if an error occurs, otherwise it returns 1. |
| 2401 | */ |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2402 | static inline int sample_conv_var2smp(const struct arg *arg, struct sample *smp) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2403 | { |
| 2404 | switch (arg->type) { |
| 2405 | case ARGT_SINT: |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2406 | smp->data.type = SMP_T_SINT; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2407 | smp->data.u.sint = arg->data.sint; |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2408 | return 1; |
| 2409 | case ARGT_VAR: |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2410 | if (!vars_get_by_desc(&arg->data.var, smp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2411 | return 0; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2412 | if (!sample_casts[smp->data.type][SMP_T_SINT]) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2413 | return 0; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2414 | if (!sample_casts[smp->data.type][SMP_T_SINT](smp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2415 | return 0; |
| 2416 | return 1; |
| 2417 | default: |
| 2418 | return 0; |
| 2419 | } |
| 2420 | } |
| 2421 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2422 | /* Takes a SINT on input, applies a binary twos complement and returns the SINT |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2423 | * result. |
| 2424 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2425 | static int sample_conv_binary_cpl(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2426 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2427 | smp->data.u.sint = ~smp->data.u.sint; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2428 | return 1; |
| 2429 | } |
| 2430 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2431 | /* Takes a SINT on input, applies a binary "and" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2432 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2433 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2434 | static int sample_conv_binary_and(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2435 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2436 | struct sample tmp; |
| 2437 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2438 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2439 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2440 | return 0; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2441 | smp->data.u.sint &= tmp.data.u.sint; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2442 | return 1; |
| 2443 | } |
| 2444 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2445 | /* Takes a SINT on input, applies a binary "or" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2446 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2447 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2448 | static int sample_conv_binary_or(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2449 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2450 | struct sample tmp; |
| 2451 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2452 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2453 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2454 | return 0; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2455 | smp->data.u.sint |= tmp.data.u.sint; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2456 | return 1; |
| 2457 | } |
| 2458 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2459 | /* Takes a SINT on input, applies a binary "xor" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2460 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2461 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2462 | static int sample_conv_binary_xor(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2463 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2464 | struct sample tmp; |
| 2465 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2466 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2467 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2468 | return 0; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2469 | smp->data.u.sint ^= tmp.data.u.sint; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2470 | return 1; |
| 2471 | } |
| 2472 | |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2473 | static inline long long int arith_add(long long int a, long long int b) |
| 2474 | { |
| 2475 | /* Prevent overflow and makes capped calculus. |
| 2476 | * We must ensure that the check calculus doesn't |
| 2477 | * exceed the signed 64 bits limits. |
| 2478 | * |
| 2479 | * +----------+----------+ |
| 2480 | * | a<0 | a>=0 | |
| 2481 | * +------+----------+----------+ |
| 2482 | * | b<0 | MIN-a>b | no check | |
| 2483 | * +------+----------+----------+ |
| 2484 | * | b>=0 | no check | MAX-a<b | |
| 2485 | * +------+----------+----------+ |
| 2486 | */ |
| 2487 | if ((a ^ b) >= 0) { |
| 2488 | /* signs are differents. */ |
| 2489 | if (a < 0) { |
| 2490 | if (LLONG_MIN - a > b) |
| 2491 | return LLONG_MIN; |
| 2492 | } |
| 2493 | if (LLONG_MAX - a < b) |
| 2494 | return LLONG_MAX; |
| 2495 | } |
| 2496 | return a + b; |
| 2497 | } |
| 2498 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2499 | /* Takes a SINT on input, applies an arithmetic "add" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2500 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2501 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2502 | static int sample_conv_arith_add(const struct arg *arg_p, struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2503 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2504 | struct sample tmp; |
| 2505 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2506 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2507 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2508 | return 0; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2509 | smp->data.u.sint = arith_add(smp->data.u.sint, tmp.data.u.sint); |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2510 | return 1; |
| 2511 | } |
| 2512 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2513 | /* Takes a SINT on input, applies an arithmetic "sub" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2514 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2515 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2516 | static int sample_conv_arith_sub(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2517 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2518 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2519 | struct sample tmp; |
| 2520 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2521 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2522 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2523 | return 0; |
| 2524 | |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2525 | /* We cannot represent -LLONG_MIN because abs(LLONG_MIN) is greater |
| 2526 | * than abs(LLONG_MAX). So, the following code use LLONG_MAX in place |
| 2527 | * of -LLONG_MIN and correct the result. |
| 2528 | */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2529 | if (tmp.data.u.sint == LLONG_MIN) { |
| 2530 | smp->data.u.sint = arith_add(smp->data.u.sint, LLONG_MAX); |
| 2531 | if (smp->data.u.sint < LLONG_MAX) |
| 2532 | smp->data.u.sint++; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2533 | return 1; |
| 2534 | } |
| 2535 | |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2536 | /* standard subtraction: we use the "add" function and negate |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2537 | * the second operand. |
| 2538 | */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2539 | smp->data.u.sint = arith_add(smp->data.u.sint, -tmp.data.u.sint); |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2540 | return 1; |
| 2541 | } |
| 2542 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2543 | /* Takes a SINT on input, applies an arithmetic "mul" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2544 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2545 | * If the result makes an overflow, then the largest possible quantity is |
| 2546 | * returned. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2547 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2548 | static int sample_conv_arith_mul(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2549 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2550 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2551 | struct sample tmp; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2552 | long long int c; |
| 2553 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2554 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2555 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2556 | return 0; |
| 2557 | |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2558 | /* prevent divide by 0 during the check */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2559 | if (!smp->data.u.sint || !tmp.data.u.sint) { |
| 2560 | smp->data.u.sint = 0; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2561 | return 1; |
| 2562 | } |
| 2563 | |
| 2564 | /* The multiply between LLONG_MIN and -1 returns a |
| 2565 | * "floting point exception". |
| 2566 | */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2567 | if (smp->data.u.sint == LLONG_MIN && tmp.data.u.sint == -1) { |
| 2568 | smp->data.u.sint = LLONG_MAX; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2569 | return 1; |
| 2570 | } |
| 2571 | |
| 2572 | /* execute standard multiplication. */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2573 | c = smp->data.u.sint * tmp.data.u.sint; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2574 | |
| 2575 | /* check for overflow and makes capped multiply. */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2576 | if (smp->data.u.sint != c / tmp.data.u.sint) { |
| 2577 | if ((smp->data.u.sint < 0) == (tmp.data.u.sint < 0)) { |
| 2578 | smp->data.u.sint = LLONG_MAX; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2579 | return 1; |
| 2580 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2581 | smp->data.u.sint = LLONG_MIN; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2582 | return 1; |
| 2583 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2584 | smp->data.u.sint = c; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2585 | return 1; |
| 2586 | } |
| 2587 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2588 | /* Takes a SINT on input, applies an arithmetic "div" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2589 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2590 | * If arg_p makes the result overflow, then the largest possible quantity is |
| 2591 | * returned. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2592 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2593 | static int sample_conv_arith_div(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2594 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2595 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2596 | struct sample tmp; |
| 2597 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2598 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2599 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2600 | return 0; |
| 2601 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2602 | if (tmp.data.u.sint) { |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2603 | /* The divide between LLONG_MIN and -1 returns a |
| 2604 | * "floting point exception". |
| 2605 | */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2606 | if (smp->data.u.sint == LLONG_MIN && tmp.data.u.sint == -1) { |
| 2607 | smp->data.u.sint = LLONG_MAX; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2608 | return 1; |
| 2609 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2610 | smp->data.u.sint /= tmp.data.u.sint; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2611 | return 1; |
| 2612 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2613 | smp->data.u.sint = LLONG_MAX; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2614 | return 1; |
| 2615 | } |
| 2616 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2617 | /* Takes a SINT on input, applies an arithmetic "mod" with the SINT directly in |
Joseph Herlant | 757f5ad | 2018-11-15 12:14:56 -0800 | [diff] [blame] | 2618 | * arg_p or in the variable described in arg_p, and returns the SINT result. |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2619 | * If arg_p makes the result overflow, then 0 is returned. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2620 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2621 | static int sample_conv_arith_mod(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2622 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2623 | { |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2624 | struct sample tmp; |
| 2625 | |
Willy Tarreau | 7560dd4 | 2016-03-10 16:28:58 +0100 | [diff] [blame] | 2626 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
Willy Tarreau | 6204cd9 | 2016-03-10 16:33:04 +0100 | [diff] [blame] | 2627 | if (!sample_conv_var2smp(arg_p, &tmp)) |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 2628 | return 0; |
| 2629 | |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2630 | if (tmp.data.u.sint) { |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2631 | /* The divide between LLONG_MIN and -1 returns a |
| 2632 | * "floting point exception". |
| 2633 | */ |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2634 | if (smp->data.u.sint == LLONG_MIN && tmp.data.u.sint == -1) { |
| 2635 | smp->data.u.sint = 0; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2636 | return 1; |
| 2637 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2638 | smp->data.u.sint %= tmp.data.u.sint; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2639 | return 1; |
| 2640 | } |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2641 | smp->data.u.sint = 0; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2642 | return 1; |
| 2643 | } |
| 2644 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2645 | /* Takes an SINT on input, applies an arithmetic "neg" and returns the SINT |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2646 | * result. |
| 2647 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2648 | static int sample_conv_arith_neg(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2649 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2650 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2651 | if (smp->data.u.sint == LLONG_MIN) |
| 2652 | smp->data.u.sint = LLONG_MAX; |
Thierry FOURNIER | 00c005c | 2015-07-08 01:10:21 +0200 | [diff] [blame] | 2653 | else |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2654 | smp->data.u.sint = -smp->data.u.sint; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2655 | return 1; |
| 2656 | } |
| 2657 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2658 | /* Takes a SINT on input, returns true is the value is non-null, otherwise |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2659 | * false. The output is a BOOL. |
| 2660 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2661 | static int sample_conv_arith_bool(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2662 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2663 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2664 | smp->data.u.sint = !!smp->data.u.sint; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2665 | smp->data.type = SMP_T_BOOL; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2666 | return 1; |
| 2667 | } |
| 2668 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2669 | /* Takes a SINT on input, returns false is the value is non-null, otherwise |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2670 | * truee. The output is a BOOL. |
| 2671 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2672 | static int sample_conv_arith_not(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2673 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2674 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2675 | smp->data.u.sint = !smp->data.u.sint; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2676 | smp->data.type = SMP_T_BOOL; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2677 | return 1; |
| 2678 | } |
| 2679 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2680 | /* Takes a SINT on input, returns true is the value is odd, otherwise false. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2681 | * The output is a BOOL. |
| 2682 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2683 | static int sample_conv_arith_odd(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2684 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2685 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2686 | smp->data.u.sint = smp->data.u.sint & 1; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2687 | smp->data.type = SMP_T_BOOL; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2688 | return 1; |
| 2689 | } |
| 2690 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 2691 | /* Takes a SINT on input, returns true is the value is even, otherwise false. |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2692 | * The output is a BOOL. |
| 2693 | */ |
Thierry FOURNIER | 0a9a2b8 | 2015-05-11 15:20:49 +0200 | [diff] [blame] | 2694 | static int sample_conv_arith_even(const struct arg *arg_p, |
Thierry FOURNIER | 68a556e | 2015-02-23 15:11:11 +0100 | [diff] [blame] | 2695 | struct sample *smp, void *private) |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2696 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2697 | smp->data.u.sint = !(smp->data.u.sint & 1); |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2698 | smp->data.type = SMP_T_BOOL; |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 2699 | return 1; |
| 2700 | } |
| 2701 | |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2702 | /* appends an optional const string, an optional variable contents and another |
| 2703 | * optional const string to an existing string. |
| 2704 | */ |
| 2705 | static int sample_conv_concat(const struct arg *arg_p, struct sample *smp, void *private) |
| 2706 | { |
Willy Tarreau | 83061a8 | 2018-07-13 11:56:34 +0200 | [diff] [blame] | 2707 | struct buffer *trash; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2708 | struct sample tmp; |
| 2709 | int max; |
| 2710 | |
| 2711 | trash = get_trash_chunk(); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2712 | trash->data = smp->data.u.str.data; |
| 2713 | if (trash->data > trash->size - 1) |
| 2714 | trash->data = trash->size - 1; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2715 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2716 | memcpy(trash->area, smp->data.u.str.area, trash->data); |
| 2717 | trash->area[trash->data] = 0; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2718 | |
| 2719 | /* append first string */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2720 | max = arg_p[0].data.str.data; |
| 2721 | if (max > trash->size - 1 - trash->data) |
| 2722 | max = trash->size - 1 - trash->data; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2723 | |
| 2724 | if (max) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2725 | memcpy(trash->area + trash->data, arg_p[0].data.str.area, max); |
| 2726 | trash->data += max; |
| 2727 | trash->area[trash->data] = 0; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2728 | } |
| 2729 | |
| 2730 | /* append second string (variable) if it's found and we can turn it |
| 2731 | * into a string. |
| 2732 | */ |
| 2733 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
| 2734 | if (arg_p[1].type == ARGT_VAR && vars_get_by_desc(&arg_p[1].data.var, &tmp) && |
| 2735 | (sample_casts[tmp.data.type][SMP_T_STR] == c_none || |
| 2736 | sample_casts[tmp.data.type][SMP_T_STR](&tmp))) { |
| 2737 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2738 | max = tmp.data.u.str.data; |
| 2739 | if (max > trash->size - 1 - trash->data) |
| 2740 | max = trash->size - 1 - trash->data; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2741 | |
| 2742 | if (max) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2743 | memcpy(trash->area + trash->data, tmp.data.u.str.area, |
| 2744 | max); |
| 2745 | trash->data += max; |
| 2746 | trash->area[trash->data] = 0; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2747 | } |
| 2748 | } |
| 2749 | |
| 2750 | /* append third string */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2751 | max = arg_p[2].data.str.data; |
| 2752 | if (max > trash->size - 1 - trash->data) |
| 2753 | max = trash->size - 1 - trash->data; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2754 | |
| 2755 | if (max) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2756 | memcpy(trash->area + trash->data, arg_p[2].data.str.area, max); |
| 2757 | trash->data += max; |
| 2758 | trash->area[trash->data] = 0; |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2759 | } |
| 2760 | |
| 2761 | smp->data.u.str = *trash; |
| 2762 | smp->data.type = SMP_T_STR; |
| 2763 | return 1; |
| 2764 | } |
| 2765 | |
| 2766 | /* This function checks the "concat" converter's arguments and extracts the |
| 2767 | * variable name and its scope. |
| 2768 | */ |
| 2769 | static int smp_check_concat(struct arg *args, struct sample_conv *conv, |
| 2770 | const char *file, int line, char **err) |
| 2771 | { |
| 2772 | /* Try to decode a variable. */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2773 | if (args[1].data.str.data > 0 && !vars_check_arg(&args[1], NULL)) { |
| 2774 | memprintf(err, "failed to register variable name '%s'", |
| 2775 | args[1].data.str.area); |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2776 | return 0; |
| 2777 | } |
| 2778 | return 1; |
| 2779 | } |
| 2780 | |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 2781 | /* compares string with a variable containing a string. Return value |
| 2782 | * is compatible with strcmp(3)'s return value. |
| 2783 | */ |
| 2784 | static int sample_conv_strcmp(const struct arg *arg_p, struct sample *smp, void *private) |
| 2785 | { |
| 2786 | struct sample tmp; |
| 2787 | int max, result; |
| 2788 | |
| 2789 | smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt); |
| 2790 | if (arg_p[0].type != ARGT_VAR) |
| 2791 | return 0; |
| 2792 | if (!vars_get_by_desc(&arg_p[0].data.var, &tmp)) |
| 2793 | return 0; |
| 2794 | if (!sample_casts[tmp.data.type][SMP_T_STR](&tmp)) |
| 2795 | return 0; |
| 2796 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2797 | max = MIN(smp->data.u.str.data, tmp.data.u.str.data); |
| 2798 | result = strncmp(smp->data.u.str.area, tmp.data.u.str.area, max); |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 2799 | if (result == 0) { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2800 | if (smp->data.u.str.data != tmp.data.u.str.data) { |
| 2801 | if (smp->data.u.str.data < tmp.data.u.str.data) { |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 2802 | result = -1; |
| 2803 | } |
| 2804 | else { |
| 2805 | result = 1; |
| 2806 | } |
| 2807 | } |
| 2808 | } |
| 2809 | |
| 2810 | smp->data.u.sint = result; |
| 2811 | smp->data.type = SMP_T_SINT; |
| 2812 | return 1; |
| 2813 | } |
| 2814 | |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2815 | #define GRPC_MSG_COMPRESS_FLAG_SZ 1 /* 1 byte */ |
| 2816 | #define GRPC_MSG_LENGTH_SZ 4 /* 4 bytes */ |
| 2817 | #define GRPC_MSG_HEADER_SZ (GRPC_MSG_COMPRESS_FLAG_SZ + GRPC_MSG_LENGTH_SZ) |
| 2818 | |
| 2819 | /* |
| 2820 | * Extract the field value of an input binary sample. Takes a mandatory argument: |
| 2821 | * the protocol buffers field identifier (dotted notation) internally represented |
| 2822 | * as an array of unsigned integers and its size. |
| 2823 | * Return 1 if the field was found, 0 if not. |
| 2824 | */ |
| 2825 | static int sample_conv_ungrpc(const struct arg *arg_p, struct sample *smp, void *private) |
| 2826 | { |
| 2827 | unsigned char *pos; |
| 2828 | size_t grpc_left; |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2829 | |
| 2830 | pos = (unsigned char *)smp->data.u.str.area; |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2831 | grpc_left = smp->data.u.str.data; |
| 2832 | |
Frédéric Lécaille | 7c93e88 | 2019-03-04 07:33:41 +0100 | [diff] [blame] | 2833 | while (grpc_left > GRPC_MSG_HEADER_SZ) { |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2834 | size_t grpc_msg_len, left; |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2835 | |
| 2836 | grpc_msg_len = left = ntohl(*(uint32_t *)(pos + GRPC_MSG_COMPRESS_FLAG_SZ)); |
| 2837 | |
| 2838 | pos += GRPC_MSG_HEADER_SZ; |
| 2839 | grpc_left -= GRPC_MSG_HEADER_SZ; |
| 2840 | |
| 2841 | if (grpc_left < left) |
| 2842 | return 0; |
| 2843 | |
Frédéric Lécaille | 5f33f85 | 2019-03-06 08:03:44 +0100 | [diff] [blame] | 2844 | if (protobuf_field_lookup(arg_p, smp, &pos, &left)) |
| 2845 | return 1; |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2846 | |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 2847 | grpc_left -= grpc_msg_len; |
| 2848 | } |
| 2849 | |
| 2850 | return 0; |
| 2851 | } |
| 2852 | |
Frédéric Lécaille | bfe6138 | 2019-03-06 14:34:36 +0100 | [diff] [blame] | 2853 | static int sample_conv_protobuf(const struct arg *arg_p, struct sample *smp, void *private) |
| 2854 | { |
| 2855 | unsigned char *pos; |
| 2856 | size_t left; |
| 2857 | |
| 2858 | pos = (unsigned char *)smp->data.u.str.area; |
| 2859 | left = smp->data.u.str.data; |
| 2860 | |
| 2861 | return protobuf_field_lookup(arg_p, smp, &pos, &left); |
| 2862 | } |
| 2863 | |
| 2864 | static int sample_conv_protobuf_check(struct arg *args, struct sample_conv *conv, |
| 2865 | const char *file, int line, char **err) |
Frédéric Lécaille | 756d97f | 2019-03-04 19:03:48 +0100 | [diff] [blame] | 2866 | { |
| 2867 | if (!args[1].type) { |
| 2868 | args[1].type = ARGT_SINT; |
| 2869 | args[1].data.sint = PBUF_T_BINARY; |
| 2870 | } |
| 2871 | else { |
| 2872 | int pbuf_type; |
| 2873 | |
| 2874 | pbuf_type = protobuf_type(args[1].data.str.area); |
| 2875 | if (pbuf_type == -1) { |
| 2876 | memprintf(err, "Wrong protocol buffer type '%s'", args[1].data.str.area); |
| 2877 | return 0; |
| 2878 | } |
| 2879 | |
| 2880 | args[1].type = ARGT_SINT; |
| 2881 | args[1].data.sint = pbuf_type; |
| 2882 | } |
| 2883 | |
| 2884 | return 1; |
| 2885 | } |
| 2886 | |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 2887 | /* This function checks the "strcmp" converter's arguments and extracts the |
| 2888 | * variable name and its scope. |
| 2889 | */ |
| 2890 | static int smp_check_strcmp(struct arg *args, struct sample_conv *conv, |
| 2891 | const char *file, int line, char **err) |
| 2892 | { |
| 2893 | /* Try to decode a variable. */ |
| 2894 | if (vars_check_arg(&args[0], NULL)) |
| 2895 | return 1; |
| 2896 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2897 | memprintf(err, "failed to register variable name '%s'", |
| 2898 | args[0].data.str.area); |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 2899 | return 0; |
| 2900 | } |
| 2901 | |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2902 | /************************************************************************/ |
| 2903 | /* All supported sample fetch functions must be declared here */ |
| 2904 | /************************************************************************/ |
| 2905 | |
| 2906 | /* force TRUE to be returned at the fetch level */ |
| 2907 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2908 | smp_fetch_true(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2909 | { |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 2910 | if (!smp_make_rw(smp)) |
| 2911 | return 0; |
| 2912 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2913 | smp->data.type = SMP_T_BOOL; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2914 | smp->data.u.sint = 1; |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2915 | return 1; |
| 2916 | } |
| 2917 | |
| 2918 | /* force FALSE to be returned at the fetch level */ |
| 2919 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2920 | smp_fetch_false(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2921 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2922 | smp->data.type = SMP_T_BOOL; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2923 | smp->data.u.sint = 0; |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2924 | return 1; |
| 2925 | } |
| 2926 | |
| 2927 | /* retrieve environment variable $1 as a string */ |
| 2928 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2929 | smp_fetch_env(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2930 | { |
| 2931 | char *env; |
| 2932 | |
| 2933 | if (!args || args[0].type != ARGT_STR) |
| 2934 | return 0; |
| 2935 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2936 | env = getenv(args[0].data.str.area); |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2937 | if (!env) |
| 2938 | return 0; |
| 2939 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2940 | smp->data.type = SMP_T_STR; |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 2941 | smp->flags = SMP_F_CONST; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2942 | smp->data.u.str.area = env; |
| 2943 | smp->data.u.str.data = strlen(env); |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 2944 | return 1; |
| 2945 | } |
| 2946 | |
Willy Tarreau | 6236d3a | 2013-07-25 14:28:25 +0200 | [diff] [blame] | 2947 | /* retrieve the current local date in epoch time, and applies an optional offset |
| 2948 | * of args[0] seconds. |
| 2949 | */ |
| 2950 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2951 | smp_fetch_date(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 6236d3a | 2013-07-25 14:28:25 +0200 | [diff] [blame] | 2952 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2953 | smp->data.u.sint = date.tv_sec; |
Willy Tarreau | 6236d3a | 2013-07-25 14:28:25 +0200 | [diff] [blame] | 2954 | |
| 2955 | /* add offset */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 2956 | if (args && args[0].type == ARGT_SINT) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2957 | smp->data.u.sint += args[0].data.sint; |
Willy Tarreau | 6236d3a | 2013-07-25 14:28:25 +0200 | [diff] [blame] | 2958 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2959 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 6236d3a | 2013-07-25 14:28:25 +0200 | [diff] [blame] | 2960 | smp->flags |= SMP_F_VOL_TEST | SMP_F_MAY_CHANGE; |
| 2961 | return 1; |
| 2962 | } |
| 2963 | |
Etienne Carriere | a792a0a | 2018-01-17 13:43:24 +0100 | [diff] [blame] | 2964 | /* retrieve the current microsecond part of the date */ |
| 2965 | static int |
| 2966 | smp_fetch_date_us(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 2967 | { |
| 2968 | smp->data.u.sint = date.tv_usec; |
| 2969 | smp->data.type = SMP_T_SINT; |
| 2970 | smp->flags |= SMP_F_VOL_TEST | SMP_F_MAY_CHANGE; |
| 2971 | return 1; |
| 2972 | } |
| 2973 | |
| 2974 | |
Nenad Merdanovic | 807a6e7 | 2017-03-12 22:00:00 +0100 | [diff] [blame] | 2975 | /* returns the hostname */ |
| 2976 | static int |
| 2977 | smp_fetch_hostname(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 2978 | { |
| 2979 | smp->data.type = SMP_T_STR; |
| 2980 | smp->flags = SMP_F_CONST; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 2981 | smp->data.u.str.area = hostname; |
| 2982 | smp->data.u.str.data = strlen(hostname); |
Nenad Merdanovic | 807a6e7 | 2017-03-12 22:00:00 +0100 | [diff] [blame] | 2983 | return 1; |
| 2984 | } |
| 2985 | |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 2986 | /* returns the number of processes */ |
| 2987 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2988 | smp_fetch_nbproc(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 2989 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2990 | smp->data.type = SMP_T_SINT; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 2991 | smp->data.u.sint = global.nbproc; |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 2992 | return 1; |
| 2993 | } |
| 2994 | |
| 2995 | /* returns the number of the current process (between 1 and nbproc */ |
| 2996 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 2997 | smp_fetch_proc(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 2998 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 2999 | smp->data.type = SMP_T_SINT; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3000 | smp->data.u.sint = relative_pid; |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 3001 | return 1; |
| 3002 | } |
| 3003 | |
Christopher Faulet | 34adb2a | 2017-11-21 21:45:38 +0100 | [diff] [blame] | 3004 | /* returns the number of the current thread (between 1 and nbthread */ |
| 3005 | static int |
| 3006 | smp_fetch_thread(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3007 | { |
| 3008 | smp->data.type = SMP_T_SINT; |
| 3009 | smp->data.u.sint = tid; |
| 3010 | return 1; |
| 3011 | } |
| 3012 | |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 3013 | /* generate a random 32-bit integer for whatever purpose, with an optional |
| 3014 | * range specified in argument. |
| 3015 | */ |
| 3016 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 3017 | smp_fetch_rand(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 3018 | { |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3019 | smp->data.u.sint = random(); |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 3020 | |
| 3021 | /* reduce if needed. Don't do a modulo, use all bits! */ |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3022 | if (args && args[0].type == ARGT_SINT) |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3023 | smp->data.u.sint = (smp->data.u.sint * args[0].data.sint) / ((u64)RAND_MAX+1); |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 3024 | |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3025 | smp->data.type = SMP_T_SINT; |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 3026 | smp->flags |= SMP_F_VOL_TEST | SMP_F_MAY_CHANGE; |
| 3027 | return 1; |
| 3028 | } |
| 3029 | |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 3030 | /* returns true if the current process is stopping */ |
| 3031 | static int |
Thierry FOURNIER | 0786d05 | 2015-05-11 15:42:45 +0200 | [diff] [blame] | 3032 | smp_fetch_stopping(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 3033 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3034 | smp->data.type = SMP_T_BOOL; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3035 | smp->data.u.sint = stopping; |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 3036 | return 1; |
| 3037 | } |
| 3038 | |
Willy Tarreau | 70fe944 | 2018-11-22 16:07:39 +0100 | [diff] [blame] | 3039 | /* returns the number of calls of the current stream's process_stream() */ |
| 3040 | static int |
| 3041 | smp_fetch_cpu_calls(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3042 | { |
| 3043 | smp->data.type = SMP_T_SINT; |
| 3044 | smp->data.u.sint = smp->strm->task->calls; |
| 3045 | return 1; |
| 3046 | } |
| 3047 | |
| 3048 | /* returns the average number of nanoseconds spent processing the stream per call */ |
| 3049 | static int |
| 3050 | smp_fetch_cpu_ns_avg(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3051 | { |
| 3052 | smp->data.type = SMP_T_SINT; |
| 3053 | smp->data.u.sint = smp->strm->task->calls ? smp->strm->task->cpu_time / smp->strm->task->calls : 0; |
| 3054 | return 1; |
| 3055 | } |
| 3056 | |
| 3057 | /* returns the total number of nanoseconds spent processing the stream */ |
| 3058 | static int |
| 3059 | smp_fetch_cpu_ns_tot(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3060 | { |
| 3061 | smp->data.type = SMP_T_SINT; |
| 3062 | smp->data.u.sint = smp->strm->task->cpu_time; |
| 3063 | return 1; |
| 3064 | } |
| 3065 | |
| 3066 | /* returns the average number of nanoseconds per call spent waiting for other tasks to be processed */ |
| 3067 | static int |
| 3068 | smp_fetch_lat_ns_avg(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3069 | { |
| 3070 | smp->data.type = SMP_T_SINT; |
| 3071 | smp->data.u.sint = smp->strm->task->calls ? smp->strm->task->lat_time / smp->strm->task->calls : 0; |
| 3072 | return 1; |
| 3073 | } |
| 3074 | |
| 3075 | /* returns the total number of nanoseconds per call spent waiting for other tasks to be processed */ |
| 3076 | static int |
| 3077 | smp_fetch_lat_ns_tot(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3078 | { |
| 3079 | smp->data.type = SMP_T_SINT; |
| 3080 | smp->data.u.sint = smp->strm->task->lat_time; |
| 3081 | return 1; |
| 3082 | } |
| 3083 | |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3084 | static int smp_fetch_const_str(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3085 | { |
| 3086 | smp->flags |= SMP_F_CONST; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3087 | smp->data.type = SMP_T_STR; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3088 | smp->data.u.str.area = args[0].data.str.area; |
| 3089 | smp->data.u.str.data = args[0].data.str.data; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3090 | return 1; |
| 3091 | } |
| 3092 | |
| 3093 | static int smp_check_const_bool(struct arg *args, char **err) |
| 3094 | { |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3095 | if (strcasecmp(args[0].data.str.area, "true") == 0 || |
| 3096 | strcasecmp(args[0].data.str.area, "1") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3097 | args[0].type = ARGT_SINT; |
| 3098 | args[0].data.sint = 1; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3099 | return 1; |
| 3100 | } |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3101 | if (strcasecmp(args[0].data.str.area, "false") == 0 || |
| 3102 | strcasecmp(args[0].data.str.area, "0") == 0) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3103 | args[0].type = ARGT_SINT; |
| 3104 | args[0].data.sint = 0; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3105 | return 1; |
| 3106 | } |
| 3107 | memprintf(err, "Expects 'true', 'false', '0' or '1'"); |
| 3108 | return 0; |
| 3109 | } |
| 3110 | |
| 3111 | static int smp_fetch_const_bool(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3112 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3113 | smp->data.type = SMP_T_BOOL; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3114 | smp->data.u.sint = args[0].data.sint; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3115 | return 1; |
| 3116 | } |
| 3117 | |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 3118 | static int smp_fetch_const_int(const struct arg *args, struct sample *smp, const char *kw, void *private) |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3119 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3120 | smp->data.type = SMP_T_SINT; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3121 | smp->data.u.sint = args[0].data.sint; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3122 | return 1; |
| 3123 | } |
| 3124 | |
| 3125 | static int smp_fetch_const_ipv4(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3126 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3127 | smp->data.type = SMP_T_IPV4; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3128 | smp->data.u.ipv4 = args[0].data.ipv4; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3129 | return 1; |
| 3130 | } |
| 3131 | |
| 3132 | static int smp_fetch_const_ipv6(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3133 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3134 | smp->data.type = SMP_T_IPV6; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3135 | smp->data.u.ipv6 = args[0].data.ipv6; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3136 | return 1; |
| 3137 | } |
| 3138 | |
| 3139 | static int smp_check_const_bin(struct arg *args, char **err) |
| 3140 | { |
David Carlier | 64a16ab | 2016-04-08 10:37:02 +0100 | [diff] [blame] | 3141 | char *binstr = NULL; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3142 | int binstrlen; |
| 3143 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3144 | if (!parse_binary(args[0].data.str.area, &binstr, &binstrlen, err)) |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3145 | return 0; |
| 3146 | args[0].type = ARGT_STR; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3147 | args[0].data.str.area = binstr; |
| 3148 | args[0].data.str.data = binstrlen; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3149 | return 1; |
| 3150 | } |
| 3151 | |
| 3152 | static int smp_fetch_const_bin(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3153 | { |
| 3154 | smp->flags |= SMP_F_CONST; |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3155 | smp->data.type = SMP_T_BIN; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3156 | smp->data.u.str.area = args[0].data.str.area; |
| 3157 | smp->data.u.str.data = args[0].data.str.data; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3158 | return 1; |
| 3159 | } |
| 3160 | |
| 3161 | static int smp_check_const_meth(struct arg *args, char **err) |
| 3162 | { |
| 3163 | enum http_meth_t meth; |
| 3164 | int i; |
| 3165 | |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3166 | meth = find_http_meth(args[0].data.str.area, args[0].data.str.data); |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3167 | if (meth != HTTP_METH_OTHER) { |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3168 | args[0].type = ARGT_SINT; |
| 3169 | args[0].data.sint = meth; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3170 | } else { |
| 3171 | /* Check method avalaibility. A methos is a token defined as : |
| 3172 | * tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." / |
| 3173 | * "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA |
| 3174 | * token = 1*tchar |
| 3175 | */ |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3176 | for (i = 0; i < args[0].data.str.data; i++) { |
| 3177 | if (!HTTP_IS_TOKEN(args[0].data.str.area[i])) { |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3178 | memprintf(err, "expects valid method."); |
| 3179 | return 0; |
| 3180 | } |
| 3181 | } |
| 3182 | } |
| 3183 | return 1; |
| 3184 | } |
| 3185 | |
| 3186 | static int smp_fetch_const_meth(const struct arg *args, struct sample *smp, const char *kw, void *private) |
| 3187 | { |
Thierry FOURNIER | 8c542ca | 2015-08-19 09:00:18 +0200 | [diff] [blame] | 3188 | smp->data.type = SMP_T_METH; |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3189 | if (args[0].type == ARGT_SINT) { |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3190 | smp->flags &= ~SMP_F_CONST; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3191 | smp->data.u.meth.meth = args[0].data.sint; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3192 | smp->data.u.meth.str.area = ""; |
| 3193 | smp->data.u.meth.str.data = 0; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3194 | } else { |
| 3195 | smp->flags |= SMP_F_CONST; |
Thierry FOURNIER | 136f9d3 | 2015-08-19 09:07:19 +0200 | [diff] [blame] | 3196 | smp->data.u.meth.meth = HTTP_METH_OTHER; |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 3197 | smp->data.u.meth.str.area = args[0].data.str.area; |
| 3198 | smp->data.u.meth.str.data = args[0].data.str.data; |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3199 | } |
| 3200 | return 1; |
| 3201 | } |
| 3202 | |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 3203 | /* Note: must not be declared <const> as its list will be overwritten. |
| 3204 | * Note: fetches that may return multiple types must be declared as the lowest |
| 3205 | * common denominator, the type that can be casted into all other ones. For |
| 3206 | * instance IPv4/IPv6 must be declared IPv4. |
| 3207 | */ |
| 3208 | static struct sample_fetch_kw_list smp_kws = {ILH, { |
| 3209 | { "always_false", smp_fetch_false, 0, NULL, SMP_T_BOOL, SMP_USE_INTRN }, |
| 3210 | { "always_true", smp_fetch_true, 0, NULL, SMP_T_BOOL, SMP_USE_INTRN }, |
Thierry FOURNIER | 7654c9f | 2013-12-17 00:20:33 +0100 | [diff] [blame] | 3211 | { "env", smp_fetch_env, ARG1(1,STR), NULL, SMP_T_STR, SMP_USE_INTRN }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 3212 | { "date", smp_fetch_date, ARG1(0,SINT), NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Etienne Carriere | a792a0a | 2018-01-17 13:43:24 +0100 | [diff] [blame] | 3213 | { "date_us", smp_fetch_date_us, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Nenad Merdanovic | 807a6e7 | 2017-03-12 22:00:00 +0100 | [diff] [blame] | 3214 | { "hostname", smp_fetch_hostname, 0, NULL, SMP_T_STR, SMP_USE_INTRN }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 3215 | { "nbproc", smp_fetch_nbproc,0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
| 3216 | { "proc", smp_fetch_proc, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Christopher Faulet | 34adb2a | 2017-11-21 21:45:38 +0100 | [diff] [blame] | 3217 | { "thread", smp_fetch_thread, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3218 | { "rand", smp_fetch_rand, ARG1(0,SINT), NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Willy Tarreau | 0f30d26 | 2014-11-24 16:02:05 +0100 | [diff] [blame] | 3219 | { "stopping", smp_fetch_stopping, 0, NULL, SMP_T_BOOL, SMP_USE_INTRN }, |
Willy Tarreau | 70fe944 | 2018-11-22 16:07:39 +0100 | [diff] [blame] | 3220 | { "stopping", smp_fetch_stopping, 0, NULL, SMP_T_BOOL, SMP_USE_INTRN }, |
| 3221 | |
| 3222 | { "cpu_calls", smp_fetch_cpu_calls, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
| 3223 | { "cpu_ns_avg", smp_fetch_cpu_ns_avg, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
| 3224 | { "cpu_ns_tot", smp_fetch_cpu_ns_tot, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
| 3225 | { "lat_ns_avg", smp_fetch_lat_ns_avg, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
| 3226 | { "lat_ns_tot", smp_fetch_lat_ns_tot, 0, NULL, SMP_T_SINT, SMP_USE_INTRN }, |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3227 | |
| 3228 | { "str", smp_fetch_const_str, ARG1(1,STR), NULL , SMP_T_STR, SMP_USE_INTRN }, |
| 3229 | { "bool", smp_fetch_const_bool, ARG1(1,STR), smp_check_const_bool, SMP_T_BOOL, SMP_USE_INTRN }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 3230 | { "int", smp_fetch_const_int, ARG1(1,SINT), NULL , SMP_T_SINT, SMP_USE_INTRN }, |
Thierry FOURNIER | cc10329 | 2015-06-06 19:30:17 +0200 | [diff] [blame] | 3231 | { "ipv4", smp_fetch_const_ipv4, ARG1(1,IPV4), NULL , SMP_T_IPV4, SMP_USE_INTRN }, |
| 3232 | { "ipv6", smp_fetch_const_ipv6, ARG1(1,IPV6), NULL , SMP_T_IPV6, SMP_USE_INTRN }, |
| 3233 | { "bin", smp_fetch_const_bin, ARG1(1,STR), smp_check_const_bin , SMP_T_BIN, SMP_USE_INTRN }, |
| 3234 | { "meth", smp_fetch_const_meth, ARG1(1,STR), smp_check_const_meth, SMP_T_METH, SMP_USE_INTRN }, |
| 3235 | |
Willy Tarreau | 5b8ad22 | 2013-07-25 12:17:57 +0200 | [diff] [blame] | 3236 | { /* END */ }, |
| 3237 | }}; |
| 3238 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3239 | INITCALL1(STG_REGISTER, sample_register_fetches, &smp_kws); |
| 3240 | |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 3241 | /* Note: must not be declared <const> as its list will be overwritten */ |
Willy Tarreau | dc13c11 | 2013-06-21 23:16:39 +0200 | [diff] [blame] | 3242 | static struct sample_conv_kw_list sample_conv_kws = {ILH, { |
Thierry FOURNIER | 9687c77 | 2015-05-07 15:46:29 +0200 | [diff] [blame] | 3243 | #ifdef DEBUG_EXPR |
| 3244 | { "debug", sample_conv_debug, 0, NULL, SMP_T_ANY, SMP_T_ANY }, |
| 3245 | #endif |
| 3246 | |
Holger Just | 1bfc24b | 2017-05-06 00:56:53 +0200 | [diff] [blame] | 3247 | { "b64dec", sample_conv_base642bin,0, NULL, SMP_T_STR, SMP_T_BIN }, |
Emeric Brun | 53d1a98 | 2014-04-30 18:21:37 +0200 | [diff] [blame] | 3248 | { "base64", sample_conv_bin2base64,0, NULL, SMP_T_BIN, SMP_T_STR }, |
Willy Tarreau | 1278578 | 2012-04-27 21:37:17 +0200 | [diff] [blame] | 3249 | { "upper", sample_conv_str2upper, 0, NULL, SMP_T_STR, SMP_T_STR }, |
| 3250 | { "lower", sample_conv_str2lower, 0, NULL, SMP_T_STR, SMP_T_STR }, |
Willy Tarreau | 60a2ee7 | 2017-12-15 07:13:48 +0100 | [diff] [blame] | 3251 | { "length", sample_conv_length, 0, NULL, SMP_T_STR, SMP_T_SINT }, |
Thierry FOURNIER | 2f49d6d | 2014-03-12 15:01:52 +0100 | [diff] [blame] | 3252 | { "hex", sample_conv_bin2hex, 0, NULL, SMP_T_BIN, SMP_T_STR }, |
Dragan Dosen | 3f957b2 | 2017-10-24 09:27:34 +0200 | [diff] [blame] | 3253 | { "hex2i", sample_conv_hex2int, 0, NULL, SMP_T_STR, SMP_T_SINT }, |
Tim Duesterhus | 1478aa7 | 2018-01-25 16:24:51 +0100 | [diff] [blame] | 3254 | { "ipmask", sample_conv_ipmask, ARG2(1,MSK4,MSK6), NULL, SMP_T_ADDR, SMP_T_IPV4 }, |
Thierry FOURNIER | 07ee64e | 2015-07-06 23:43:03 +0200 | [diff] [blame] | 3255 | { "ltime", sample_conv_ltime, ARG2(1,STR,SINT), NULL, SMP_T_SINT, SMP_T_STR }, |
| 3256 | { "utime", sample_conv_utime, ARG2(1,STR,SINT), NULL, SMP_T_SINT, SMP_T_STR }, |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3257 | { "crc32", sample_conv_crc32, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
Emmanuel Hocdet | 50791a7 | 2018-03-21 11:19:01 +0100 | [diff] [blame] | 3258 | { "crc32c", sample_conv_crc32c, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3259 | { "djb2", sample_conv_djb2, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
| 3260 | { "sdbm", sample_conv_sdbm, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
| 3261 | { "wt6", sample_conv_wt6, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
Thierry FOURNIER | 01e0974 | 2016-12-26 11:46:11 +0100 | [diff] [blame] | 3262 | { "xxh32", sample_conv_xxh32, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
| 3263 | { "xxh64", sample_conv_xxh64, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_T_SINT }, |
Thierry FOURNIER | 317e1c4 | 2014-08-12 10:20:47 +0200 | [diff] [blame] | 3264 | { "json", sample_conv_json, ARG1(1,STR), sample_conv_json_check, SMP_T_STR, SMP_T_STR }, |
Thierry FOURNIER | bf65cd4 | 2015-07-20 17:45:02 +0200 | [diff] [blame] | 3265 | { "bytes", sample_conv_bytes, ARG2(1,SINT,SINT), NULL, SMP_T_BIN, SMP_T_BIN }, |
Marcin Deranek | 9631a28 | 2018-04-16 14:30:46 +0200 | [diff] [blame] | 3266 | { "field", sample_conv_field, ARG3(2,SINT,STR,SINT), sample_conv_field_check, SMP_T_STR, SMP_T_STR }, |
| 3267 | { "word", sample_conv_word, ARG3(2,SINT,STR,SINT), sample_conv_field_check, SMP_T_STR, SMP_T_STR }, |
Willy Tarreau | 7eda849 | 2015-01-20 19:47:06 +0100 | [diff] [blame] | 3268 | { "regsub", sample_conv_regsub, ARG3(2,REG,STR,STR), sample_conv_regsub_check, SMP_T_STR, SMP_T_STR }, |
Dragan Dosen | 6e5a9ca | 2017-10-24 09:18:23 +0200 | [diff] [blame] | 3269 | { "sha1", sample_conv_sha1, 0, NULL, SMP_T_BIN, SMP_T_BIN }, |
Tim Duesterhus | d437630 | 2019-06-17 12:41:44 +0200 | [diff] [blame] | 3270 | #ifdef USE_OPENSSL |
| 3271 | { "sha2", sample_conv_sha2, ARG1(0, SINT), NULL, SMP_T_BIN, SMP_T_BIN }, |
| 3272 | #endif |
Willy Tarreau | 280f42b | 2018-02-19 15:34:12 +0100 | [diff] [blame] | 3273 | { "concat", sample_conv_concat, ARG3(1,STR,STR,STR), smp_check_concat, SMP_T_STR, SMP_T_STR }, |
Tim Duesterhus | ca097c1 | 2018-04-27 21:18:45 +0200 | [diff] [blame] | 3274 | { "strcmp", sample_conv_strcmp, ARG1(1,STR), smp_check_strcmp, SMP_T_STR, SMP_T_SINT }, |
Frédéric Lécaille | 50290fb | 2019-02-27 14:34:51 +0100 | [diff] [blame] | 3275 | |
| 3276 | /* gRPC converters. */ |
Frédéric Lécaille | bfe6138 | 2019-03-06 14:34:36 +0100 | [diff] [blame] | 3277 | { "ungrpc", sample_conv_ungrpc, ARG2(1,PBUF_FNUM,STR), sample_conv_protobuf_check, SMP_T_BIN, SMP_T_BIN }, |
| 3278 | { "protobuf", sample_conv_protobuf, ARG2(1,PBUF_FNUM,STR), sample_conv_protobuf_check, SMP_T_BIN, SMP_T_BIN }, |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 3279 | |
Thierry FOURNIER | 5d86fae | 2015-07-07 21:10:16 +0200 | [diff] [blame] | 3280 | { "and", sample_conv_binary_and, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3281 | { "or", sample_conv_binary_or, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3282 | { "xor", sample_conv_binary_xor, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3283 | { "cpl", sample_conv_binary_cpl, 0, NULL, SMP_T_SINT, SMP_T_SINT }, |
| 3284 | { "bool", sample_conv_arith_bool, 0, NULL, SMP_T_SINT, SMP_T_BOOL }, |
| 3285 | { "not", sample_conv_arith_not, 0, NULL, SMP_T_SINT, SMP_T_BOOL }, |
| 3286 | { "odd", sample_conv_arith_odd, 0, NULL, SMP_T_SINT, SMP_T_BOOL }, |
| 3287 | { "even", sample_conv_arith_even, 0, NULL, SMP_T_SINT, SMP_T_BOOL }, |
| 3288 | { "add", sample_conv_arith_add, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3289 | { "sub", sample_conv_arith_sub, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3290 | { "mul", sample_conv_arith_mul, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3291 | { "div", sample_conv_arith_div, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3292 | { "mod", sample_conv_arith_mod, ARG1(1,STR), check_operator, SMP_T_SINT, SMP_T_SINT }, |
| 3293 | { "neg", sample_conv_arith_neg, 0, NULL, SMP_T_SINT, SMP_T_SINT }, |
Willy Tarreau | 9770787 | 2015-01-27 15:12:13 +0100 | [diff] [blame] | 3294 | |
Willy Tarreau | 9fcb984 | 2012-04-20 14:45:49 +0200 | [diff] [blame] | 3295 | { NULL, NULL, 0, 0, 0 }, |
Emeric Brun | 107ca30 | 2010-01-04 16:16:05 +0100 | [diff] [blame] | 3296 | }}; |
| 3297 | |
Willy Tarreau | 0108d90 | 2018-11-25 19:14:37 +0100 | [diff] [blame] | 3298 | INITCALL1(STG_REGISTER, sample_register_convs, &sample_conv_kws); |