Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | * General logging functions. |
| 3 | * |
Willy Tarreau | b7f694f | 2008-06-22 17:18:02 +0200 | [diff] [blame] | 4 | * Copyright 2000-2008 Willy Tarreau <w@1wt.eu> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
Willy Tarreau | c8f24f8 | 2007-11-30 18:38:35 +0100 | [diff] [blame] | 13 | #include <fcntl.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 14 | #include <stdarg.h> |
| 15 | #include <stdio.h> |
| 16 | #include <stdlib.h> |
| 17 | #include <string.h> |
| 18 | #include <syslog.h> |
| 19 | #include <time.h> |
| 20 | #include <unistd.h> |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 21 | #include <errno.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 22 | |
| 23 | #include <sys/time.h> |
| 24 | |
Willy Tarreau | e3ba5f0 | 2006-06-29 18:54:54 +0200 | [diff] [blame] | 25 | #include <common/config.h> |
Willy Tarreau | d6d0690 | 2009-08-19 11:22:33 +0200 | [diff] [blame] | 26 | #include <common/compat.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 27 | #include <common/standard.h> |
Willy Tarreau | fb27867 | 2006-10-15 15:38:50 +0200 | [diff] [blame] | 28 | #include <common/time.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 29 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 30 | #include <types/global.h> |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 31 | #include <types/log.h> |
Willy Tarreau | ec6c5df | 2008-07-15 00:22:45 +0200 | [diff] [blame] | 32 | |
| 33 | #include <proto/log.h> |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 34 | #include <proto/stream_interface.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 35 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 36 | const char *log_facilities[NB_LOG_FACILITIES] = { |
| 37 | "kern", "user", "mail", "daemon", |
| 38 | "auth", "syslog", "lpr", "news", |
| 39 | "uucp", "cron", "auth2", "ftp", |
| 40 | "ntp", "audit", "alert", "cron2", |
| 41 | "local0", "local1", "local2", "local3", |
| 42 | "local4", "local5", "local6", "local7" |
| 43 | }; |
| 44 | |
| 45 | |
| 46 | const char *log_levels[NB_LOG_LEVELS] = { |
| 47 | "emerg", "alert", "crit", "err", |
| 48 | "warning", "notice", "info", "debug" |
| 49 | }; |
| 50 | |
Willy Tarreau | a2a64e9 | 2011-09-07 23:01:56 +0200 | [diff] [blame] | 51 | const char sess_term_cond[10] = "-cCsSPRIDK"; /* normal, CliTo, CliErr, SrvTo, SrvErr, PxErr, Resource, Internal, Down, Killed */ |
Willy Tarreau | b8750a8 | 2006-09-03 09:56:00 +0200 | [diff] [blame] | 52 | const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 53 | |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 54 | |
| 55 | /* log_format */ |
| 56 | struct logformat_type { |
| 57 | char *name; |
| 58 | int type; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 59 | int mode; |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 60 | int (*config_callback)(struct logformat_node *node, struct proxy *curproxy); |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 61 | }; |
| 62 | |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 63 | int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy); |
| 64 | |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 65 | /* log_format variable names */ |
| 66 | static const struct logformat_type logformat_keywords[] = { |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 67 | { "o", LOG_GLOBAL, PR_MODE_TCP, NULL }, /* global option */ |
| 68 | { "Ci", LOG_CLIENTIP, PR_MODE_TCP, NULL }, /* client ip */ |
| 69 | { "Cp", LOG_CLIENTPORT, PR_MODE_TCP, NULL }, /* client port */ |
| 70 | { "Bp", LOG_SOURCEPORT, PR_MODE_TCP, prepare_addrsource }, /* backend source port */ |
| 71 | { "Bi", LOG_SOURCEIP, PR_MODE_TCP, prepare_addrsource }, /* backend source ip */ |
| 72 | { "t", LOG_DATE, PR_MODE_TCP, NULL }, /* date */ |
| 73 | { "T", LOG_DATEGMT, PR_MODE_TCP, NULL }, /* date GMT */ |
| 74 | { "ms", LOG_MS, PR_MODE_TCP, NULL }, /* accept date millisecond */ |
| 75 | { "f", LOG_FRONTEND, PR_MODE_TCP, NULL }, /* frontend */ |
| 76 | { "b", LOG_BACKEND, PR_MODE_TCP, NULL }, /* backend */ |
| 77 | { "s", LOG_SERVER, PR_MODE_TCP, NULL }, /* server */ |
| 78 | { "B", LOG_BYTES, PR_MODE_TCP, NULL }, /* bytes read */ |
| 79 | { "Tq", LOG_TQ, PR_MODE_HTTP, NULL }, /* Tq */ |
| 80 | { "Tw", LOG_TW, PR_MODE_TCP, NULL }, /* Tw */ |
| 81 | { "Tc", LOG_TC, PR_MODE_TCP, NULL }, /* Tc */ |
| 82 | { "Tr", LOG_TR, PR_MODE_HTTP, NULL }, /* Tr */ |
| 83 | { "Tt", LOG_TT, PR_MODE_TCP, NULL }, /* Tt */ |
| 84 | { "st", LOG_STATUS, PR_MODE_HTTP, NULL }, /* status code */ |
| 85 | { "cc", LOG_CCLIENT, PR_MODE_HTTP, NULL }, /* client cookie */ |
| 86 | { "cs", LOG_CSERVER, PR_MODE_HTTP, NULL }, /* server cookie */ |
| 87 | { "ts", LOG_TERMSTATE, PR_MODE_TCP, NULL },/* terminaison state */ |
| 88 | { "ac", LOG_ACTCONN, PR_MODE_TCP, NULL }, /* actconn */ |
| 89 | { "fc", LOG_FECONN, PR_MODE_TCP, NULL }, /* feconn */ |
| 90 | { "bc", LOG_BECONN, PR_MODE_TCP, NULL }, /* beconn */ |
| 91 | { "sc", LOG_SRVCONN, PR_MODE_TCP, NULL }, /* srv_conn */ |
| 92 | { "rc", LOG_RETRIES, PR_MODE_TCP, NULL }, /* retries */ |
| 93 | { "sq", LOG_SRVQUEUE, PR_MODE_TCP, NULL }, /* srv_queue */ |
| 94 | { "bq", LOG_BCKQUEUE, PR_MODE_TCP, NULL }, /* backend_queue */ |
| 95 | { "hr", LOG_HDRREQUEST, PR_MODE_HTTP, NULL }, /* header request */ |
| 96 | { "hs", LOG_HDRRESPONS, PR_MODE_HTTP, NULL }, /* header response */ |
| 97 | { "hrl", LOG_HDRREQUESTLIST, PR_MODE_HTTP, NULL }, /* header request list */ |
| 98 | { "hsl", LOG_HDRRESPONSLIST, PR_MODE_HTTP, NULL }, /* header response list */ |
| 99 | { "r", LOG_REQ, PR_MODE_HTTP, NULL }, /* request */ |
| 100 | { 0, 0, 0, NULL } |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | char default_http_log_format[] = "%Ci:%Cp [%t] %f %b/%s %Tq/%Tw/%Tc/%Tr/%Tt %st %B %cc %cs %ts %ac/%fc/%bc/%sc/%rc %sq/%bq %hr %hs %{+Q}r"; // default format |
| 104 | char clf_http_log_format[] = "%{+Q}o %{-Q}Ci - - [%T] %r %st %B \"\" \"\" %Cp %ms %f %b %s %Tq %Tw %Tc %Tr %Tt %ts %ac %fc %bc %sc %rc %sq %bq %cc %cs %hrl %hsl"; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 105 | char default_tcp_log_format[] = "%Ci:%Cp [%t] %f %b/%s %Tw/%Tc/%Tt %B %ts %ac/%fc/%bc/%sc/%rc %sq/%bq"; |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 106 | char *log_format = NULL; |
| 107 | |
| 108 | struct logformat_var_args { |
| 109 | char *name; |
| 110 | int mask; |
| 111 | }; |
| 112 | |
| 113 | struct logformat_var_args var_args_list[] = { |
| 114 | // global |
| 115 | { "M", LOG_OPT_MANDATORY }, |
| 116 | { "Q", LOG_OPT_QUOTE }, |
| 117 | { 0, 0 } |
| 118 | }; |
| 119 | |
| 120 | /* |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 121 | * callback used to configure addr source retrieval |
| 122 | */ |
| 123 | int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy) |
| 124 | { |
| 125 | curproxy->options2 |= PR_O2_SRC_ADDR; |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 132 | * Parse args in a logformat_var |
| 133 | */ |
| 134 | int parse_logformat_var_args(char *args, struct logformat_node *node) |
| 135 | { |
| 136 | int i = 0; |
| 137 | int end = 0; |
| 138 | int flags = 0; // 1 = + 2 = - |
| 139 | char *sp = NULL; // start pointer |
| 140 | |
| 141 | if (args == NULL) |
| 142 | return 1; |
| 143 | |
| 144 | while (1) { |
| 145 | if (*args == '\0') |
| 146 | end = 1; |
| 147 | |
| 148 | if (*args == '+') { |
| 149 | // add flag |
| 150 | sp = args + 1; |
| 151 | flags = 1; |
| 152 | } |
| 153 | if (*args == '-') { |
| 154 | // delete flag |
| 155 | sp = args + 1; |
| 156 | flags = 2; |
| 157 | } |
| 158 | |
| 159 | if (*args == '\0' || *args == ',') { |
| 160 | *args = '\0'; |
| 161 | for (i = 0; var_args_list[i].name; i++) { |
| 162 | if (strcmp(sp, var_args_list[i].name) == 0) { |
| 163 | if (flags == 1) { |
| 164 | node->options |= var_args_list[i].mask; |
| 165 | break; |
| 166 | } else if (flags == 2) { |
| 167 | node->options &= ~var_args_list[i].mask; |
| 168 | break; |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | sp = NULL; |
| 173 | if (end) |
| 174 | break; |
| 175 | } |
| 176 | args++; |
| 177 | } |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * Parse a variable '%varname' or '%{args}varname' in logformat |
| 183 | * |
| 184 | */ |
| 185 | int parse_logformat_var(char *str, size_t len, struct proxy *curproxy) |
| 186 | { |
| 187 | int i, j; |
| 188 | char *arg = NULL; // arguments |
| 189 | int fparam = 0; |
| 190 | char *name = NULL; |
| 191 | struct logformat_node *node = NULL; |
| 192 | char varname[255] = { 0 }; // variable name |
| 193 | int logformat_options = 0x00000000; |
| 194 | |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 195 | for (i = 1; i < len; i++) { // escape first char % |
| 196 | if (!arg && str[i] == '{') { |
| 197 | arg = str + i; |
| 198 | fparam = 1; |
| 199 | } else if (arg && str[i] == '}') { |
| 200 | char *tmp = arg; |
| 201 | arg = calloc(str + i - tmp, 1); // without {} |
| 202 | strncpy(arg, tmp + 1, str + i - tmp - 1); // copy without { and } |
| 203 | arg[str + i - tmp - 1] = '\0'; |
| 204 | fparam = 0; |
| 205 | } else if (!name && !fparam) { |
| 206 | strncpy(varname, str + i, len - i + 1); |
| 207 | varname[len - i] = '\0'; |
| 208 | for (j = 0; logformat_keywords[j].name; j++) { // search a log type |
| 209 | if (strcmp(varname, logformat_keywords[j].name) == 0) { |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 210 | if (!((logformat_keywords[j].mode == PR_MODE_HTTP) && (curproxy->mode == PR_MODE_TCP))) { |
| 211 | node = calloc(1, sizeof(struct logformat_node)); |
| 212 | node->type = logformat_keywords[j].type; |
| 213 | node->options = logformat_options; |
| 214 | node->arg = arg; |
| 215 | parse_logformat_var_args(node->arg, node); |
| 216 | if (node->type == LOG_GLOBAL) { |
| 217 | logformat_options = node->options; |
| 218 | free(node); |
| 219 | } else { |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 220 | if (logformat_keywords[j].config_callback != NULL) { |
| 221 | if (logformat_keywords[j].config_callback(node, curproxy) != 0) { |
| 222 | return -1; |
| 223 | } |
| 224 | } |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 225 | LIST_ADDQ(&curproxy->logformat, &node->list); |
| 226 | } |
| 227 | return 0; |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 228 | } else { |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 229 | Warning("Warning: No such variable name '%s' in this log mode\n", varname); |
| 230 | if (arg) |
| 231 | free(arg); |
| 232 | return -1; |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 233 | } |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 234 | } |
| 235 | } |
| 236 | Warning("Warning: No such variable name '%s' in logformat\n", varname); |
| 237 | if (arg) |
| 238 | free(arg); |
| 239 | return -1; |
| 240 | } |
| 241 | } |
| 242 | return -1; |
| 243 | } |
| 244 | |
| 245 | /* |
| 246 | * push to the logformat linked list |
| 247 | * |
| 248 | * start: start pointer |
| 249 | * end: end text pointer |
| 250 | * type: string type |
| 251 | * |
| 252 | * LOG_TEXT: copy chars from start to end excluding end. |
| 253 | * |
| 254 | */ |
| 255 | void add_to_logformat_list(char *start, char *end, int type, struct proxy *curproxy) |
| 256 | { |
| 257 | char *str; |
| 258 | |
| 259 | if (type == LOG_TEXT) { /* type text */ |
| 260 | struct logformat_node *node = calloc(1, sizeof(struct logformat_node)); |
| 261 | |
| 262 | str = calloc(end - start + 1, 1); |
| 263 | strncpy(str, start, end - start); |
| 264 | |
| 265 | str[end - start] = '\0'; |
| 266 | node->arg = str; |
| 267 | node->type = LOG_TEXT; // type string |
| 268 | LIST_ADDQ(&curproxy->logformat, &node->list); |
| 269 | } else if (type == LOG_VARIABLE) { /* type variable */ |
| 270 | parse_logformat_var(start, end - start, curproxy); |
| 271 | } else if (type == LOG_SEPARATOR) { |
| 272 | struct logformat_node *node = calloc(1, sizeof(struct logformat_node)); |
| 273 | node->type = LOG_SEPARATOR; |
| 274 | LIST_ADDQ(&curproxy->logformat, &node->list); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | /* |
| 279 | * Parse the log_format string and fill a linked list. |
| 280 | * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname |
| 281 | * You can set arguments using { } : %{many arguments}varname |
| 282 | */ |
| 283 | void parse_logformat_string(char *str, struct proxy *curproxy) |
| 284 | { |
| 285 | char *sp = str; /* start pointer */ |
| 286 | int cformat = -1; /* current token format : LOG_TEXT, LOG_SEPARATOR, LOG_VARIABLE */ |
| 287 | int pformat = -1; /* previous token format */ |
| 288 | struct logformat_node *tmplf, *back; |
| 289 | |
| 290 | /* flush the list first. */ |
| 291 | list_for_each_entry_safe(tmplf, back, &curproxy->logformat, list) { |
| 292 | LIST_DEL(&tmplf->list); |
| 293 | free(tmplf); |
| 294 | } |
| 295 | |
| 296 | while (1) { |
| 297 | |
| 298 | // push the variable only if formats are different, not |
| 299 | // within a variable, and not the first iteration |
| 300 | if ((cformat != pformat && cformat != -1 && pformat != -1) || *str == '\0') { |
| 301 | if (((pformat != LF_STARTVAR && cformat != LF_VAR) && |
| 302 | (pformat != LF_STARTVAR && cformat != LF_STARG) && |
| 303 | (pformat != LF_STARG && cformat != LF_VAR)) || *str == '\0') { |
| 304 | if (pformat > LF_VAR) // unfinished string |
| 305 | pformat = LF_TEXT; |
| 306 | add_to_logformat_list(sp, str, pformat, curproxy); |
| 307 | sp = str; |
| 308 | if (*str == '\0') |
| 309 | break; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | if (cformat != -1) |
| 314 | str++; // consume the string, except on the first tour |
| 315 | |
| 316 | pformat = cformat; |
| 317 | |
| 318 | if (*str == '\0') { |
| 319 | cformat = LF_STARTVAR; // for breaking in all cases |
| 320 | continue; |
| 321 | } |
| 322 | |
| 323 | if (pformat == LF_STARTVAR) { // after a % |
| 324 | if ( (*str >= 'a' && *str <= 'z') || // parse varname |
| 325 | (*str >= 'A' && *str <= 'Z') || |
| 326 | (*str >= '0' && *str <= '9')) { |
| 327 | cformat = LF_VAR; // varname |
| 328 | continue; |
| 329 | } else if (*str == '{') { |
| 330 | cformat = LF_STARG; // variable arguments |
| 331 | continue; |
| 332 | } else { // another unexpected token |
| 333 | pformat = LF_TEXT; // redefine the format of the previous token to TEXT |
| 334 | cformat = LF_TEXT; |
| 335 | continue; |
| 336 | } |
| 337 | |
| 338 | } else if (pformat == LF_VAR) { // after a varname |
| 339 | if ( (*str >= 'a' && *str <= 'z') || // parse varname |
| 340 | (*str >= 'A' && *str <= 'Z') || |
| 341 | (*str >= '0' && *str <= '9')) { |
| 342 | cformat = LF_VAR; |
| 343 | continue; |
| 344 | } |
| 345 | } else if (pformat == LF_STARG) { // inside variable arguments |
| 346 | if (*str == '}') { // end of varname |
| 347 | cformat = LF_EDARG; |
| 348 | continue; |
| 349 | } else { // all tokens are acceptable within { } |
| 350 | cformat = LF_STARG; |
| 351 | continue; |
| 352 | } |
| 353 | } else if (pformat == LF_EDARG) { // after arguments |
| 354 | if ( (*str >= 'a' && *str <= 'z') || // parse a varname |
| 355 | (*str >= 'A' && *str <= 'Z') || |
| 356 | (*str >= '0' && *str <= '9')) { |
| 357 | cformat = LF_VAR; |
| 358 | continue; |
| 359 | } else { // if no varname after arguments, transform in TEXT |
| 360 | pformat = LF_TEXT; |
| 361 | cformat = LF_TEXT; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | // others tokens that don't match previous conditions |
| 366 | if (*str == '%') { |
| 367 | cformat = LF_STARTVAR; |
| 368 | } else if (*str == ' ') { |
| 369 | cformat = LF_SEPARATOR; |
| 370 | } else { |
| 371 | cformat = LF_TEXT; |
| 372 | } |
| 373 | } |
| 374 | } |
| 375 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 376 | /* |
| 377 | * Displays the message on stderr with the date and pid. Overrides the quiet |
| 378 | * mode during startup. |
| 379 | */ |
Willy Tarreau | b17916e | 2006-10-15 15:17:57 +0200 | [diff] [blame] | 380 | void Alert(const char *fmt, ...) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 381 | { |
| 382 | va_list argp; |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 383 | struct tm tm; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 384 | |
| 385 | if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) { |
| 386 | va_start(argp, fmt); |
| 387 | |
Willy Tarreau | b7f694f | 2008-06-22 17:18:02 +0200 | [diff] [blame] | 388 | get_localtime(date.tv_sec, &tm); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 389 | fprintf(stderr, "[ALERT] %03d/%02d%02d%02d (%d) : ", |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 390 | tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid()); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 391 | vfprintf(stderr, fmt, argp); |
| 392 | fflush(stderr); |
| 393 | va_end(argp); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | |
| 398 | /* |
| 399 | * Displays the message on stderr with the date and pid. |
| 400 | */ |
Willy Tarreau | b17916e | 2006-10-15 15:17:57 +0200 | [diff] [blame] | 401 | void Warning(const char *fmt, ...) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 402 | { |
| 403 | va_list argp; |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 404 | struct tm tm; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 405 | |
| 406 | if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) { |
| 407 | va_start(argp, fmt); |
| 408 | |
Willy Tarreau | b7f694f | 2008-06-22 17:18:02 +0200 | [diff] [blame] | 409 | get_localtime(date.tv_sec, &tm); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 410 | fprintf(stderr, "[WARNING] %03d/%02d%02d%02d (%d) : ", |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 411 | tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid()); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 412 | vfprintf(stderr, fmt, argp); |
| 413 | fflush(stderr); |
| 414 | va_end(argp); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /* |
| 419 | * Displays the message on <out> only if quiet mode is not set. |
| 420 | */ |
Willy Tarreau | b17916e | 2006-10-15 15:17:57 +0200 | [diff] [blame] | 421 | void qfprintf(FILE *out, const char *fmt, ...) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 422 | { |
| 423 | va_list argp; |
| 424 | |
| 425 | if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) { |
| 426 | va_start(argp, fmt); |
| 427 | vfprintf(out, fmt, argp); |
| 428 | fflush(out); |
| 429 | va_end(argp); |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | /* |
| 434 | * returns log level for <lev> or -1 if not found. |
| 435 | */ |
| 436 | int get_log_level(const char *lev) |
| 437 | { |
| 438 | int level; |
| 439 | |
| 440 | level = NB_LOG_LEVELS - 1; |
| 441 | while (level >= 0 && strcmp(log_levels[level], lev)) |
| 442 | level--; |
| 443 | |
| 444 | return level; |
| 445 | } |
| 446 | |
| 447 | |
| 448 | /* |
| 449 | * returns log facility for <fac> or -1 if not found. |
| 450 | */ |
| 451 | int get_log_facility(const char *fac) |
| 452 | { |
| 453 | int facility; |
| 454 | |
| 455 | facility = NB_LOG_FACILITIES - 1; |
| 456 | while (facility >= 0 && strcmp(log_facilities[facility], fac)) |
| 457 | facility--; |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 458 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 459 | return facility; |
| 460 | } |
| 461 | |
William Lallemand | a1cc381 | 2012-02-08 16:38:44 +0100 | [diff] [blame] | 462 | /* |
| 463 | * Write a string in the log string |
| 464 | * Take cares of mandatory and quote options |
| 465 | * |
| 466 | * Return the adress of the \0 character, or NULL on error |
| 467 | */ |
| 468 | char *logformat_write_string(char *dst, char *src, size_t size, struct logformat_node *node) |
| 469 | { |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 470 | char *orig = dst; |
William Lallemand | a1cc381 | 2012-02-08 16:38:44 +0100 | [diff] [blame] | 471 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 472 | if (src == NULL || *src == '\0') { |
| 473 | if (node->options & LOG_OPT_QUOTE) { |
| 474 | if (size > 2) { |
| 475 | *(dst++) = '"'; |
| 476 | *(dst++) = '"'; |
| 477 | *dst = '\0'; |
| 478 | node->options |= LOG_OPT_WRITTEN; |
| 479 | } else { |
| 480 | dst = NULL; |
| 481 | return dst; |
| 482 | } |
| 483 | } else { |
| 484 | if (size > 1) { |
| 485 | *(dst++) = '-'; |
| 486 | *dst = '\0'; |
| 487 | node->options |= LOG_OPT_WRITTEN; |
| 488 | } else { // error no space available |
| 489 | dst = NULL; |
| 490 | return dst; |
| 491 | } |
| 492 | } |
| 493 | } else { |
| 494 | if (node->options & LOG_OPT_QUOTE) { |
| 495 | if (size-- > 1 ) { |
| 496 | *(dst++) = '"'; |
| 497 | } else { |
| 498 | dst = NULL; |
| 499 | return NULL; |
| 500 | } |
| 501 | dst += strlcpy2(dst, src, size); |
| 502 | size -= orig - dst + 1; |
| 503 | if (size > 1) { |
| 504 | *(dst++) = '"'; |
| 505 | *dst = '\0'; |
| 506 | } else { |
| 507 | dst = NULL; |
| 508 | } |
| 509 | } else { |
| 510 | dst += strlcpy2(dst, src, size); |
| 511 | } |
| 512 | } |
| 513 | return dst; |
William Lallemand | a1cc381 | 2012-02-08 16:38:44 +0100 | [diff] [blame] | 514 | } |
| 515 | |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 516 | /* generate the syslog header once a second */ |
| 517 | char *hdr_log(char *dst) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 518 | { |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 519 | int hdr_len = 0; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 520 | static long tvsec = -1; /* to force the string to be initialized */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 521 | static char *dataptr = NULL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 522 | |
Willy Tarreau | b7f694f | 2008-06-22 17:18:02 +0200 | [diff] [blame] | 523 | if (unlikely(date.tv_sec != tvsec || dataptr == NULL)) { |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 524 | /* this string is rebuild only once a second */ |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 525 | struct tm tm; |
| 526 | |
Willy Tarreau | b7f694f | 2008-06-22 17:18:02 +0200 | [diff] [blame] | 527 | tvsec = date.tv_sec; |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 528 | get_localtime(tvsec, &tm); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 529 | |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 530 | hdr_len = snprintf(dst, MAX_SYSLOG_LEN, |
Joe Williams | df5b38f | 2010-12-29 17:05:48 +0100 | [diff] [blame] | 531 | "<<<<>%s %2d %02d:%02d:%02d %s%s[%d]: ", |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 532 | monthname[tm.tm_mon], |
| 533 | tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, |
Joe Williams | df5b38f | 2010-12-29 17:05:48 +0100 | [diff] [blame] | 534 | global.log_send_hostname ? global.log_send_hostname : "", |
Kevinm | 48936af | 2010-12-22 16:08:21 +0000 | [diff] [blame] | 535 | global.log_tag, pid); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 536 | /* WARNING: depending upon implementations, snprintf may return |
| 537 | * either -1 or the number of bytes that would be needed to store |
| 538 | * the total message. In both cases, we must adjust it. |
| 539 | */ |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 540 | if (hdr_len < 0 || hdr_len > MAX_SYSLOG_LEN) |
| 541 | hdr_len = MAX_SYSLOG_LEN; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 542 | |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 543 | dataptr = dst + hdr_len; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 544 | } |
| 545 | |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 546 | return dataptr; |
| 547 | } |
| 548 | |
| 549 | /* |
| 550 | * This function adds a header to the message and sends the syslog message |
Willy Tarreau | 53bf6af | 2012-02-24 11:46:54 +0100 | [diff] [blame] | 551 | * using a printf format string. It expects an LF-terminated message. |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 552 | */ |
| 553 | void send_log(struct proxy *p, int level, const char *format, ...) |
| 554 | { |
| 555 | va_list argp; |
| 556 | static char logmsg[MAX_SYSLOG_LEN]; |
| 557 | static char *dataptr = NULL; |
| 558 | int data_len = 0; |
| 559 | |
| 560 | if (level < 0 || format == NULL) |
| 561 | return; |
| 562 | |
| 563 | dataptr = hdr_log(logmsg); /* create header */ |
| 564 | data_len = dataptr - logmsg; |
| 565 | |
| 566 | va_start(argp, format); |
| 567 | data_len += vsnprintf(dataptr, MAX_SYSLOG_LEN, format, argp); |
| 568 | if (data_len < 0 || data_len > MAX_SYSLOG_LEN) |
| 569 | data_len = MAX_SYSLOG_LEN; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 570 | va_end(argp); |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 571 | |
| 572 | __send_log(p, level, logmsg, data_len); |
| 573 | } |
| 574 | |
| 575 | /* |
| 576 | * This function sends a syslog message. |
| 577 | * It doesn't care about errors nor does it report them. |
Willy Tarreau | 53bf6af | 2012-02-24 11:46:54 +0100 | [diff] [blame] | 578 | * It overrides the last byte (message[size-1]) with an LF character. |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 579 | */ |
| 580 | void __send_log(struct proxy *p, int level, char *message, size_t size) |
| 581 | { |
| 582 | static int logfdunix = -1; /* syslog to AF_UNIX socket */ |
| 583 | static int logfdinet = -1; /* syslog to AF_INET socket */ |
| 584 | static char *dataptr = NULL; |
| 585 | int fac_level; |
| 586 | struct list *logsrvs = NULL; |
| 587 | struct logsrv *tmp = NULL; |
| 588 | int nblogger; |
| 589 | char *log_ptr; |
| 590 | |
| 591 | dataptr = message; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 592 | |
| 593 | if (p == NULL) { |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 594 | if (!LIST_ISEMPTY(&global.logsrvs)) { |
| 595 | logsrvs = &global.logsrvs; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 596 | } |
| 597 | } else { |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 598 | if (!LIST_ISEMPTY(&p->logsrvs)) { |
| 599 | logsrvs = &p->logsrvs; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 600 | } |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 601 | } |
| 602 | |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 603 | if (!logsrvs) |
| 604 | return; |
| 605 | |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 606 | message[size - 1] = '\n'; |
| 607 | |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 608 | /* Lazily set up syslog sockets for protocol families of configured |
| 609 | * syslog servers. */ |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 610 | nblogger = 0; |
| 611 | list_for_each_entry(tmp, logsrvs, list) { |
| 612 | const struct logsrv *logsrv = tmp; |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 613 | int proto, *plogfd; |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 614 | |
David du Colombier | 11bcb6c | 2011-03-24 12:23:00 +0100 | [diff] [blame] | 615 | if (logsrv->addr.ss_family == AF_UNIX) { |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 616 | proto = 0; |
| 617 | plogfd = &logfdunix; |
| 618 | } else { |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 619 | proto = IPPROTO_UDP; |
| 620 | plogfd = &logfdinet; |
| 621 | } |
| 622 | if (*plogfd >= 0) { |
| 623 | /* socket already created. */ |
| 624 | continue; |
| 625 | } |
David du Colombier | 11bcb6c | 2011-03-24 12:23:00 +0100 | [diff] [blame] | 626 | if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM, |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 627 | proto)) < 0) { |
| 628 | Alert("socket for logger #%d failed: %s (errno=%d)\n", |
| 629 | nblogger + 1, strerror(errno), errno); |
| 630 | return; |
| 631 | } |
| 632 | /* we don't want to receive anything on this socket */ |
| 633 | setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero)); |
| 634 | /* does nothing under Linux, maybe needed for others */ |
| 635 | shutdown(*plogfd, SHUT_RD); |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 636 | nblogger++; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 637 | } |
| 638 | |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 639 | /* Send log messages to syslog server. */ |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 640 | nblogger = 0; |
| 641 | list_for_each_entry(tmp, logsrvs, list) { |
| 642 | const struct logsrv *logsrv = tmp; |
David du Colombier | 11bcb6c | 2011-03-24 12:23:00 +0100 | [diff] [blame] | 643 | int *plogfd = logsrv->addr.ss_family == AF_UNIX ? |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 644 | &logfdunix : &logfdinet; |
| 645 | int sent; |
| 646 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 647 | /* we can filter the level of the messages that are sent to each logger */ |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 648 | if (level > logsrv->level) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 649 | continue; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 650 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 651 | /* For each target, we may have a different facility. |
| 652 | * We can also have a different log level for each message. |
| 653 | * This induces variations in the message header length. |
| 654 | * Since we don't want to recompute it each time, nor copy it every |
| 655 | * time, we only change the facility in the pre-computed header, |
| 656 | * and we change the pointer to the header accordingly. |
| 657 | */ |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 658 | fac_level = (logsrv->facility << 3) + MAX(level, logsrv->minlvl); |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 659 | log_ptr = dataptr + 3; /* last digit of the log level */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 660 | do { |
| 661 | *log_ptr = '0' + fac_level % 10; |
| 662 | fac_level /= 10; |
| 663 | log_ptr--; |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 664 | } while (fac_level && log_ptr > dataptr); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 665 | *log_ptr = '<'; |
William Lallemand | 2a4a44f | 2012-02-06 16:00:33 +0100 | [diff] [blame] | 666 | |
| 667 | sent = sendto(*plogfd, log_ptr, size, |
Willy Tarreau | 1b4b7ce | 2011-04-05 16:56:50 +0200 | [diff] [blame] | 668 | MSG_DONTWAIT | MSG_NOSIGNAL, |
| 669 | (struct sockaddr *)&logsrv->addr, get_addr_len(&logsrv->addr)); |
Robert Tsai | 81ae195 | 2007-12-05 10:47:29 +0100 | [diff] [blame] | 670 | if (sent < 0) { |
| 671 | Alert("sendto logger #%d failed: %s (errno=%d)\n", |
| 672 | nblogger, strerror(errno), errno); |
| 673 | } |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 674 | nblogger++; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 675 | } |
| 676 | } |
| 677 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 678 | extern fd_set hdr_encode_map[]; |
| 679 | extern fd_set url_encode_map[]; |
| 680 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 681 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 682 | const char sess_cookie[8] = "NIDVEO67"; /* No cookie, Invalid cookie, cookie for a Down server, Valid cookie, Expired cookie, Old cookie, unknown */ |
| 683 | const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive), |
| 684 | Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten, |
| 685 | Set-cookie Updated, unknown, unknown */ |
| 686 | |
| 687 | #define LOGCHAR(x) do { \ |
| 688 | if (MAX_SYSLOG_LEN - (tmplog - logline) > 1) { \ |
| 689 | *(tmplog++) = (x); \ |
| 690 | } else { \ |
| 691 | goto out; \ |
| 692 | } \ |
| 693 | } while(0) |
| 694 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 695 | /* |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 696 | * send a log for the session when we have enough info about it. |
| 697 | * Will not log if the frontend has no log defined. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 698 | */ |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 699 | void sess_log(struct session *s) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 700 | { |
Cyril Bonté | acd7d63 | 2010-11-01 19:26:02 +0100 | [diff] [blame] | 701 | char pn[INET6_ADDRSTRLEN]; |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 702 | char sn[INET6_ADDRSTRLEN]; |
Willy Tarreau | 73de989 | 2006-11-30 11:40:23 +0100 | [diff] [blame] | 703 | struct proxy *fe = s->fe; |
Willy Tarreau | ddb358d | 2006-12-17 22:55:52 +0100 | [diff] [blame] | 704 | struct proxy *be = s->be; |
| 705 | struct proxy *prx_log; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 706 | struct http_txn *txn = &s->txn; |
Willy Tarreau | c9bd0cc | 2009-05-10 11:57:02 +0200 | [diff] [blame] | 707 | int tolog, level, err; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 708 | char *uri; |
| 709 | const char *svid; |
Willy Tarreau | fe94460 | 2007-10-25 10:34:16 +0200 | [diff] [blame] | 710 | struct tm tm; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 711 | int t_request; |
| 712 | int hdr; |
| 713 | int last_isspace = 1; |
| 714 | static char logline[MAX_SYSLOG_LEN] = { 0 }; |
| 715 | static char *tmplog; |
| 716 | struct logformat_node *tmp; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 717 | |
Willy Tarreau | c9bd0cc | 2009-05-10 11:57:02 +0200 | [diff] [blame] | 718 | /* if we don't want to log normal traffic, return now */ |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 719 | err = (s->flags & (SN_ERR_MASK | SN_REDISP)) || |
| 720 | (s->req->cons->conn_retries != be->conn_retries) || |
| 721 | ((s->fe->mode == PR_MODE_HTTP) && txn->status >= 500); |
Willy Tarreau | c9bd0cc | 2009-05-10 11:57:02 +0200 | [diff] [blame] | 722 | if (!err && (fe->options2 & PR_O2_NOLOGNORM)) |
| 723 | return; |
| 724 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 725 | if (LIST_ISEMPTY(&fe->logsrvs)) |
Willy Tarreau | e7ded1f | 2009-08-09 10:11:45 +0200 | [diff] [blame] | 726 | return; |
Willy Tarreau | e7ded1f | 2009-08-09 10:11:45 +0200 | [diff] [blame] | 727 | prx_log = fe; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 728 | |
| 729 | if (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn)) == AF_UNIX) |
| 730 | snprintf(pn, sizeof(pn), "unix:%d", s->listener->luid); |
| 731 | |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 732 | if (be->options2 & PR_O2_SRC_ADDR) { |
| 733 | if (addr_to_str(&s->req->cons->addr.from, sn, sizeof(sn)) == AF_UNIX) |
| 734 | snprintf(sn, sizeof(sn), "unix:%d", s->listener->luid); |
| 735 | } |
| 736 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 737 | /* FIXME: let's limit ourselves to frontend logging for now. */ |
Willy Tarreau | 4225058 | 2007-04-01 01:30:43 +0200 | [diff] [blame] | 738 | tolog = fe->to_log; |
Willy Tarreau | 71904a4 | 2011-02-13 14:30:26 +0100 | [diff] [blame] | 739 | |
| 740 | if (!(tolog & LW_SVID)) |
| 741 | svid = "-"; |
Willy Tarreau | 7b7a8e9 | 2011-03-27 19:53:06 +0200 | [diff] [blame] | 742 | else switch (s->target.type) { |
Willy Tarreau | 71904a4 | 2011-02-13 14:30:26 +0100 | [diff] [blame] | 743 | case TARG_TYPE_SERVER: |
Willy Tarreau | 7b7a8e9 | 2011-03-27 19:53:06 +0200 | [diff] [blame] | 744 | svid = s->target.ptr.s->id; |
Willy Tarreau | 71904a4 | 2011-02-13 14:30:26 +0100 | [diff] [blame] | 745 | break; |
| 746 | case TARG_TYPE_APPLET: |
Willy Tarreau | 7b7a8e9 | 2011-03-27 19:53:06 +0200 | [diff] [blame] | 747 | svid = s->target.ptr.a->name; |
Willy Tarreau | 71904a4 | 2011-02-13 14:30:26 +0100 | [diff] [blame] | 748 | break; |
| 749 | default: |
| 750 | svid = "<NOSRV>"; |
| 751 | break; |
| 752 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 753 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 754 | t_request = -1; |
| 755 | if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept)) |
| 756 | t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request); |
| 757 | |
Willy Tarreau | c9bd0cc | 2009-05-10 11:57:02 +0200 | [diff] [blame] | 758 | level = LOG_INFO; |
| 759 | if (err && (fe->options2 & PR_O2_LOGERRORS)) |
| 760 | level = LOG_ERR; |
| 761 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 762 | /* fill logbuffer */ |
| 763 | |
| 764 | tmplog = logline; |
| 765 | tmplog = hdr_log(tmplog); |
| 766 | |
| 767 | list_for_each_entry(tmp, &fe->logformat, list) { |
| 768 | char *src = NULL; |
| 769 | switch (tmp->type) { |
| 770 | |
| 771 | case LOG_SEPARATOR: |
| 772 | if (!last_isspace) { |
| 773 | LOGCHAR(' '); |
| 774 | last_isspace = 1; |
| 775 | *tmplog = '\0'; |
| 776 | } |
| 777 | break; |
| 778 | |
| 779 | case LOG_TEXT: // text |
| 780 | src = tmp->arg; |
| 781 | tmplog += strlcpy2(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 782 | if (!tmplog) |
| 783 | goto out; |
| 784 | last_isspace = 0; |
| 785 | break; |
| 786 | |
| 787 | case LOG_CLIENTIP: // %Ci |
| 788 | src = (s->req->prod->addr.from.ss_family == AF_UNIX) ? "unix" : pn; |
| 789 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 790 | |
| 791 | if (!tmplog) |
| 792 | goto out; |
| 793 | last_isspace = 0; |
| 794 | break; |
| 795 | |
| 796 | case LOG_CLIENTPORT: // %Cp |
| 797 | tmplog = ltoa_o((s->req->prod->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->prod->addr.from), |
| 798 | tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 799 | if (!tmplog) |
| 800 | goto out; |
| 801 | last_isspace = 0; |
| 802 | break; |
| 803 | |
William Lallemand | b7ff6a3 | 2012-03-02 14:35:21 +0100 | [diff] [blame^] | 804 | case LOG_SOURCEIP: // Bi |
| 805 | src = (s->req->cons->addr.from.ss_family == AF_UNIX) ? "unix" : sn; |
| 806 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 807 | |
| 808 | if (!tmplog) |
| 809 | goto out; |
| 810 | last_isspace = 0; |
| 811 | break; |
| 812 | |
| 813 | case LOG_SOURCEPORT: // %Bp |
| 814 | tmplog = ltoa_o((s->req->cons->addr.from.ss_family == AF_UNIX) ? s->listener->luid : get_host_port(&s->req->cons->addr.from), |
| 815 | tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 816 | if (!tmplog) |
| 817 | goto out; |
| 818 | last_isspace = 0; |
| 819 | break; |
| 820 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 821 | case LOG_DATE: // %t |
| 822 | get_localtime(s->logs.accept_date.tv_sec, &tm); |
| 823 | tmplog = date2str_log(tmplog, &tm, &(s->logs.accept_date), MAX_SYSLOG_LEN - (tmplog - logline)); |
| 824 | if (!tmplog) |
| 825 | goto out; |
| 826 | last_isspace = 0; |
| 827 | break; |
| 828 | |
| 829 | case LOG_DATEGMT: // %T |
| 830 | get_gmtime(s->logs.accept_date.tv_sec, &tm); |
| 831 | tmplog = gmt2str_log(tmplog, &tm, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 832 | if (!tmplog) |
| 833 | goto out; |
| 834 | last_isspace = 0; |
| 835 | break; |
| 836 | |
| 837 | case LOG_MS: // %ms |
| 838 | if ((MAX_SYSLOG_LEN - (tmplog - logline)) < 4) { |
| 839 | tmplog = NULL; |
| 840 | goto out; |
| 841 | } |
| 842 | tmplog = utoa_pad((unsigned int)s->logs.accept_date.tv_usec/1000, |
| 843 | tmplog, 4); |
| 844 | last_isspace = 0; |
| 845 | |
| 846 | break; |
| 847 | |
| 848 | case LOG_FRONTEND: // %f |
| 849 | src = fe->id; |
| 850 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 851 | if (!tmplog) |
| 852 | goto out; |
| 853 | last_isspace = 0 ; |
| 854 | break; |
| 855 | |
| 856 | case LOG_BACKEND: // %b |
| 857 | src = be->id; |
| 858 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 859 | if (!tmplog) |
| 860 | goto out; |
| 861 | last_isspace = 0 ; |
| 862 | break; |
| 863 | |
| 864 | case LOG_SERVER: // %s |
| 865 | src = (char *)svid; |
| 866 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 867 | if (!tmplog) |
| 868 | goto out; |
| 869 | last_isspace = 0; |
| 870 | break; |
| 871 | |
| 872 | case LOG_TQ: // %Tq |
| 873 | tmplog = ltoa_o(t_request, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 874 | if (!tmplog) |
| 875 | goto out; |
| 876 | last_isspace = 0; |
| 877 | break; |
| 878 | |
| 879 | case LOG_TW: // %Tw |
| 880 | tmplog = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 881 | if (!tmplog) |
| 882 | goto out; |
| 883 | last_isspace = 0; |
| 884 | break; |
| 885 | |
| 886 | case LOG_TC: // %Tc |
| 887 | tmplog = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 888 | if (!tmplog) |
| 889 | goto out; |
| 890 | last_isspace = 0; |
| 891 | break; |
| 892 | |
| 893 | case LOG_TR: // %Tr |
| 894 | tmplog = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 895 | if (!tmplog) |
| 896 | goto out; |
| 897 | last_isspace = 0; |
| 898 | break; |
| 899 | |
| 900 | case LOG_TT: // %Tt |
| 901 | if (!(tolog & LW_BYTES)) |
| 902 | *(tmplog++) = '+'; |
| 903 | tmplog = ltoa_o(s->logs.t_close, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 904 | if (!tmplog) |
| 905 | goto out; |
| 906 | last_isspace = 0; |
| 907 | break; |
| 908 | |
| 909 | case LOG_STATUS: // %st |
| 910 | tmplog = ultoa_o(txn->status, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 911 | if (!tmplog) |
| 912 | goto out; |
| 913 | last_isspace = 0; |
| 914 | break; |
| 915 | |
| 916 | case LOG_BYTES: // %B |
| 917 | if (!(tolog & LW_BYTES)) |
| 918 | *(tmplog++) = '+'; |
| 919 | tmplog = lltoa(s->logs.bytes_out, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 920 | if (!tmplog) |
| 921 | goto out; |
| 922 | last_isspace = 0; |
| 923 | break; |
| 924 | |
| 925 | case LOG_CCLIENT: // %cc |
| 926 | src = txn->cli_cookie; |
| 927 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 928 | last_isspace = 0; |
| 929 | break; |
| 930 | |
| 931 | case LOG_CSERVER: // %cs |
| 932 | src = txn->srv_cookie; |
| 933 | tmplog = logformat_write_string(tmplog, src, MAX_SYSLOG_LEN - (tmplog - logline), tmp); |
| 934 | last_isspace = 0; |
| 935 | break; |
| 936 | |
| 937 | case LOG_TERMSTATE: // %ts |
| 938 | |
| 939 | LOGCHAR(sess_term_cond[(s->flags & SN_ERR_MASK) >> SN_ERR_SHIFT]); |
| 940 | LOGCHAR(sess_fin_state[(s->flags & SN_FINST_MASK) >> SN_FINST_SHIFT]); |
| 941 | if (fe->mode == PR_MODE_HTTP) { |
| 942 | LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-'); |
| 943 | LOGCHAR((be->options & PR_O_COOK_ANY) ? sess_set_cookie[(txn->flags & TX_SCK_MASK) >> TX_SCK_SHIFT] : '-'); |
| 944 | } |
| 945 | *tmplog = '\0'; |
| 946 | last_isspace = 0; |
| 947 | break; |
| 948 | |
| 949 | case LOG_ACTCONN: // %ac |
| 950 | tmplog = ltoa_o(actconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 951 | if (!tmplog) |
| 952 | goto out; |
| 953 | last_isspace = 0; |
| 954 | break; |
| 955 | |
| 956 | case LOG_FECONN: // %fc |
| 957 | tmplog = ltoa_o(fe->feconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 958 | if (!tmplog) |
| 959 | goto out; |
| 960 | last_isspace = 0; |
| 961 | break; |
| 962 | |
| 963 | case LOG_BECONN: // %bc |
| 964 | tmplog = ltoa_o(be->beconn, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 965 | if (!tmplog) |
| 966 | goto out; |
| 967 | last_isspace = 0; |
| 968 | break; |
| 969 | |
| 970 | case LOG_SRVCONN: // %sc |
| 971 | tmplog = ultoa_o(target_srv(&s->target) ? target_srv(&s->target)->cur_sess : 0, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 972 | if (!tmplog) |
| 973 | goto out; |
| 974 | last_isspace = 0; |
| 975 | break; |
| 976 | |
| 977 | case LOG_RETRIES: // %rq |
| 978 | if (s->flags & SN_REDISP) |
| 979 | *(tmplog++) = '+'; |
| 980 | tmplog = ltoa_o((s->req->cons->conn_retries>0)?(be->conn_retries - s->req->cons->conn_retries):be->conn_retries, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 981 | last_isspace = 0; |
| 982 | break; |
| 983 | |
| 984 | case LOG_SRVQUEUE: // %sq |
| 985 | tmplog = ltoa_o(s->logs.srv_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 986 | if (!tmplog) |
| 987 | goto out; |
| 988 | last_isspace = 0; |
| 989 | break; |
| 990 | |
| 991 | case LOG_BCKQUEUE: // %bq |
| 992 | tmplog = ltoa_o(s->logs.prx_queue_size, tmplog, MAX_SYSLOG_LEN - (tmplog - logline)); |
| 993 | if (!tmplog) |
| 994 | goto out; |
| 995 | last_isspace = 0; |
| 996 | break; |
| 997 | |
| 998 | case LOG_HDRREQUEST: // %hr |
| 999 | /* request header */ |
| 1000 | if (fe->to_log & LW_REQHDR && txn->req.cap) { |
| 1001 | if (tmp->options & LOG_OPT_QUOTE) |
| 1002 | LOGCHAR('"'); |
| 1003 | LOGCHAR('{'); |
| 1004 | for (hdr = 0; hdr < fe->nb_req_cap; hdr++) { |
| 1005 | if (hdr) |
| 1006 | LOGCHAR('|'); |
| 1007 | if (txn->req.cap[hdr] != NULL) |
| 1008 | tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN, |
| 1009 | '#', hdr_encode_map, txn->req.cap[hdr]); |
| 1010 | } |
| 1011 | LOGCHAR('}'); |
| 1012 | last_isspace = 0; |
| 1013 | } |
| 1014 | *tmplog = '\0'; |
| 1015 | break; |
| 1016 | |
| 1017 | case LOG_HDRREQUESTLIST: // %hrl |
| 1018 | /* request header list */ |
| 1019 | if (fe->to_log & LW_REQHDR && txn->req.cap) { |
| 1020 | for (hdr = 0; hdr < fe->nb_req_cap; hdr++) { |
| 1021 | if (hdr > 0) |
| 1022 | LOGCHAR(' '); |
| 1023 | if (tmp->options & LOG_OPT_QUOTE) |
| 1024 | LOGCHAR('"'); |
| 1025 | if (txn->req.cap[hdr] != NULL) { |
| 1026 | tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN, |
| 1027 | '#', hdr_encode_map, txn->req.cap[hdr]); |
| 1028 | } else if (!(tmp->options & LOG_OPT_QUOTE)) |
| 1029 | LOGCHAR('-'); |
| 1030 | if (tmp->options & LOG_OPT_QUOTE) |
| 1031 | LOGCHAR('"'); |
| 1032 | *tmplog = '\0'; |
| 1033 | last_isspace = 0; |
| 1034 | } |
| 1035 | } |
| 1036 | break; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1037 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 1038 | case LOG_HDRRESPONS: // %hs |
| 1039 | /* response header */ |
| 1040 | if (fe->to_log & LW_RSPHDR && |
| 1041 | txn->rsp.cap) { |
| 1042 | if (tmp->options & LOG_OPT_QUOTE) |
| 1043 | LOGCHAR('"'); |
| 1044 | LOGCHAR('{'); |
| 1045 | for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) { |
| 1046 | if (hdr) |
| 1047 | LOGCHAR('|'); |
| 1048 | if (txn->rsp.cap[hdr] != NULL) |
| 1049 | tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN, |
| 1050 | '#', hdr_encode_map, txn->rsp.cap[hdr]); |
| 1051 | } |
| 1052 | LOGCHAR('}'); |
| 1053 | last_isspace = 0; |
| 1054 | if (tmp->options & LOG_OPT_QUOTE) |
| 1055 | LOGCHAR('"'); |
| 1056 | } |
| 1057 | *tmplog = '\0'; |
| 1058 | break; |
| 1059 | |
| 1060 | case LOG_HDRRESPONSLIST: // %hsl |
| 1061 | /* response header list */ |
| 1062 | if (fe->to_log & LW_RSPHDR && txn->rsp.cap) { |
| 1063 | for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) { |
| 1064 | if (hdr > 0) |
| 1065 | LOGCHAR(' '); |
| 1066 | if (tmp->options & LOG_OPT_QUOTE) |
| 1067 | LOGCHAR('"'); |
| 1068 | if (txn->rsp.cap[hdr] != NULL) { |
| 1069 | tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN, |
| 1070 | '#', hdr_encode_map, txn->rsp.cap[hdr]); |
| 1071 | } else if (!(tmp->options & LOG_OPT_QUOTE)) |
| 1072 | LOGCHAR('-'); |
| 1073 | if (tmp->options & LOG_OPT_QUOTE) |
| 1074 | LOGCHAR('"'); |
| 1075 | *tmplog = '\0'; |
| 1076 | last_isspace = 0; |
| 1077 | } |
| 1078 | } |
| 1079 | break; |
| 1080 | |
| 1081 | case LOG_REQ: // %r |
| 1082 | /* Request */ |
| 1083 | if (tmp->options & LOG_OPT_QUOTE) |
| 1084 | LOGCHAR('"'); |
| 1085 | uri = txn->uri ? txn->uri : "<BADREQ>"; |
| 1086 | tmplog = encode_string(tmplog, logline + MAX_SYSLOG_LEN, |
| 1087 | '#', url_encode_map, uri); |
| 1088 | if (tmp->options & LOG_OPT_QUOTE) |
| 1089 | LOGCHAR('"'); |
| 1090 | *tmplog = '\0'; |
| 1091 | last_isspace = 0; |
| 1092 | break; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | out: |
| 1097 | |
| 1098 | if (tmplog == NULL) // if previous error |
| 1099 | tmplog = logline + MAX_SYSLOG_LEN - 1; |
| 1100 | |
| 1101 | __send_log(prx_log, level, logline, tmplog - logline + 1); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1102 | s->logs.logwait = 0; |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 1103 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1104 | } |
| 1105 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1106 | |
William Lallemand | bddd4fd | 2012-02-27 11:23:10 +0100 | [diff] [blame] | 1107 | |
| 1108 | |
| 1109 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1110 | /* |
| 1111 | * Local variables: |
| 1112 | * c-indent-level: 8 |
| 1113 | * c-basic-offset: 8 |
| 1114 | * End: |
| 1115 | */ |