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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * General logging functions.
3 *
Willy Tarreaub7f694f2008-06-22 17:18:02 +02004 * Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
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 Tarreau8a3f52f2012-12-20 21:23:42 +010013#include <ctype.h>
Willy Tarreauc8f24f82007-11-30 18:38:35 +010014#include <fcntl.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020015#include <stdarg.h>
16#include <stdio.h>
17#include <stdlib.h>
18#include <string.h>
19#include <syslog.h>
20#include <time.h>
21#include <unistd.h>
Robert Tsai81ae1952007-12-05 10:47:29 +010022#include <errno.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020023
24#include <sys/time.h>
Willy Tarreau077edcb2016-08-10 18:30:56 +020025#include <sys/uio.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020026
Willy Tarreaue3ba5f02006-06-29 18:54:54 +020027#include <common/config.h>
Willy Tarreaud6d06902009-08-19 11:22:33 +020028#include <common/compat.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020029#include <common/standard.h>
Willy Tarreaufb278672006-10-15 15:38:50 +020030#include <common/time.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020031
Willy Tarreaubaaee002006-06-26 02:48:02 +020032#include <types/global.h>
William Lallemand723b73a2012-02-08 16:37:49 +010033#include <types/log.h>
Willy Tarreauec6c5df2008-07-15 00:22:45 +020034
William Lallemand5f232402012-04-05 18:02:55 +020035#include <proto/frontend.h>
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +000036#include <proto/proto_http.h>
Willy Tarreauec6c5df2008-07-15 00:22:45 +020037#include <proto/log.h>
Willy Tarreauc8368452012-12-21 00:09:23 +010038#include <proto/sample.h>
Willy Tarreaufb0afa72015-04-03 14:46:27 +020039#include <proto/stream.h>
Willy Tarreau827aee92011-03-10 16:55:02 +010040#include <proto/stream_interface.h>
Willy Tarreau773d65f2012-10-12 14:56:11 +020041#ifdef USE_OPENSSL
42#include <proto/ssl_sock.h>
43#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +020044
Dragan Dosen43885c72015-10-01 13:18:13 +020045struct log_fmt {
46 char *name;
47 struct {
48 struct chunk sep1; /* first pid separator */
49 struct chunk sep2; /* second pid separator */
50 } pid;
51};
52
53static const struct log_fmt log_formats[LOG_FORMATS] = {
54 [LOG_FORMAT_RFC3164] = {
55 .name = "rfc3164",
56 .pid = {
57 .sep1 = { .str = "[", .len = 1 },
58 .sep2 = { .str = "]: ", .len = 3 }
59 }
60 },
61 [LOG_FORMAT_RFC5424] = {
62 .name = "rfc5424",
63 .pid = {
64 .sep1 = { .str = " ", .len = 1 },
65 .sep2 = { .str = " - ", .len = 3 }
66 }
67 }
Dragan Dosen1322d092015-09-22 16:05:32 +020068};
69
Dragan Dosen835b9212016-02-12 13:23:03 +010070#define FD_SETS_ARE_BITFIELDS
71#ifdef FD_SETS_ARE_BITFIELDS
72/*
73 * This map is used with all the FD_* macros to check whether a particular bit
74 * is set or not. Each bit represents an ACSII code. FD_SET() sets those bytes
75 * which should be escaped. When FD_ISSET() returns non-zero, it means that the
76 * byte should be escaped. Be careful to always pass bytes from 0 to 255
77 * exclusively to the macros.
78 */
79fd_set rfc5424_escape_map[(sizeof(fd_set) > (256/8)) ? 1 : ((256/8) / sizeof(fd_set))];
80
81#else
82#error "Check if your OS uses bitfields for fd_sets"
83#endif
84
Willy Tarreaubaaee002006-06-26 02:48:02 +020085const char *log_facilities[NB_LOG_FACILITIES] = {
86 "kern", "user", "mail", "daemon",
87 "auth", "syslog", "lpr", "news",
88 "uucp", "cron", "auth2", "ftp",
89 "ntp", "audit", "alert", "cron2",
90 "local0", "local1", "local2", "local3",
91 "local4", "local5", "local6", "local7"
92};
93
Willy Tarreaubaaee002006-06-26 02:48:02 +020094const char *log_levels[NB_LOG_LEVELS] = {
95 "emerg", "alert", "crit", "err",
96 "warning", "notice", "info", "debug"
97};
98
Willy Tarreau570f2212013-06-10 16:42:09 +020099const char sess_term_cond[16] = "-LcCsSPRIDKUIIII"; /* normal, Local, CliTo, CliErr, SrvTo, SrvErr, PxErr, Resource, Internal, Down, Killed, Up, -- */
Willy Tarreaub8750a82006-09-03 09:56:00 +0200100const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200101
William Lallemand723b73a2012-02-08 16:37:49 +0100102
103/* log_format */
104struct logformat_type {
105 char *name;
106 int type;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100107 int mode;
William Lallemand5e19a282012-04-02 16:22:10 +0200108 int lw; /* logwait bitsfield */
William Lallemandb7ff6a32012-03-02 14:35:21 +0100109 int (*config_callback)(struct logformat_node *node, struct proxy *curproxy);
Willy Tarreau2beef582012-12-20 17:22:52 +0100110 const char *replace_by; /* new option to use instead of old one */
William Lallemand723b73a2012-02-08 16:37:49 +0100111};
112
William Lallemandb7ff6a32012-03-02 14:35:21 +0100113int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
114
William Lallemand723b73a2012-02-08 16:37:49 +0100115/* log_format variable names */
116static const struct logformat_type logformat_keywords[] = {
William Lallemand5e19a282012-04-02 16:22:10 +0200117 { "o", LOG_FMT_GLOBAL, PR_MODE_TCP, 0, NULL }, /* global option */
Willy Tarreau2beef582012-12-20 17:22:52 +0100118
119 /* please keep these lines sorted ! */
120 { "B", LOG_FMT_BYTES, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from server to client */
121 { "CC", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL }, /* client cookie */
122 { "CS", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL }, /* server cookie */
123 { "H", LOG_FMT_HOSTNAME, PR_MODE_TCP, LW_INIT, NULL }, /* Hostname */
124 { "ID", LOG_FMT_UNIQUEID, PR_MODE_HTTP, LW_BYTES, NULL }, /* Unique ID */
Willy Tarreau4bf99632014-06-13 12:21:40 +0200125 { "ST", LOG_FMT_STATUS, PR_MODE_TCP, LW_RESP, NULL }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200126 { "T", LOG_FMT_DATEGMT, PR_MODE_TCP, LW_INIT, NULL }, /* date GMT */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200127 { "Ta", LOG_FMT_Ta, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time active (tr to end) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100128 { "Tc", LOG_FMT_TC, PR_MODE_TCP, LW_BYTES, NULL }, /* Tc */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200129 { "Th", LOG_FMT_Th, PR_MODE_TCP, LW_BYTES, NULL }, /* Time handshake */
130 { "Ti", LOG_FMT_Ti, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time idle */
131 { "Tl", LOG_FMT_DATELOCAL, PR_MODE_TCP, LW_INIT, NULL }, /* date local timezone */
132 { "Tq", LOG_FMT_TQ, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tq=Th+Ti+TR */
133 { "Tr", LOG_FMT_Tr, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tr */
134 { "TR", LOG_FMT_TR, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time to receive a valid request */
Willy Tarreau27b639d2016-05-17 17:55:27 +0200135 { "Td", LOG_FMT_TD, PR_MODE_TCP, LW_BYTES, NULL }, /* Td = Tt - (Tq + Tw + Tc + Tr) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100136 { "Ts", LOG_FMT_TS, PR_MODE_TCP, LW_INIT, NULL }, /* timestamp GMT */
William Lallemand5e19a282012-04-02 16:22:10 +0200137 { "Tt", LOG_FMT_TT, PR_MODE_TCP, LW_BYTES, NULL }, /* Tt */
Willy Tarreau2beef582012-12-20 17:22:52 +0100138 { "Tw", LOG_FMT_TW, PR_MODE_TCP, LW_BYTES, NULL }, /* Tw */
139 { "U", LOG_FMT_BYTES_UP, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from client to server */
William Lallemand5e19a282012-04-02 16:22:10 +0200140 { "ac", LOG_FMT_ACTCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* actconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100141 { "b", LOG_FMT_BACKEND, PR_MODE_TCP, LW_INIT, NULL }, /* backend */
William Lallemand5e19a282012-04-02 16:22:10 +0200142 { "bc", LOG_FMT_BECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* beconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100143 { "bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source ip */
144 { "bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source port */
William Lallemand5e19a282012-04-02 16:22:10 +0200145 { "bq", LOG_FMT_BCKQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* backend_queue */
Willy Tarreau2beef582012-12-20 17:22:52 +0100146 { "ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP, NULL }, /* client ip */
147 { "cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP, NULL }, /* client port */
148 { "f", LOG_FMT_FRONTEND, PR_MODE_TCP, LW_INIT, NULL }, /* frontend */
149 { "fc", LOG_FMT_FECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* feconn */
150 { "fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP, NULL }, /* frontend ip */
151 { "fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP, NULL }, /* frontend port */
152 { "ft", LOG_FMT_FRONTEND_XPRT, PR_MODE_TCP, LW_INIT, NULL }, /* frontend with transport mode */
Willy Tarreaud9ed3d22014-06-13 12:23:06 +0200153 { "hr", LOG_FMT_HDRREQUEST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request */
154 { "hrl", LOG_FMT_HDRREQUESTLIST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request list */
155 { "hs", LOG_FMT_HDRRESPONS, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response */
156 { "hsl", LOG_FMT_HDRRESPONSLIST, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response list */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000157 { "HM", LOG_FMT_HTTP_METHOD, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP method */
158 { "HP", LOG_FMT_HTTP_PATH, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP path */
Andrew Hayworthe63ac872015-07-31 16:14:16 +0000159 { "HQ", LOG_FMT_HTTP_QUERY, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP query */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000160 { "HU", LOG_FMT_HTTP_URI, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP full URI */
161 { "HV", LOG_FMT_HTTP_VERSION, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP version */
Willy Tarreau7346acb2014-08-28 15:03:15 +0200162 { "lc", LOG_FMT_LOGCNT, PR_MODE_TCP, LW_INIT, NULL }, /* log counter */
Willy Tarreau2beef582012-12-20 17:22:52 +0100163 { "ms", LOG_FMT_MS, PR_MODE_TCP, LW_INIT, NULL }, /* accept date millisecond */
William Lallemand5e19a282012-04-02 16:22:10 +0200164 { "pid", LOG_FMT_PID, PR_MODE_TCP, LW_INIT, NULL }, /* log pid */
Willy Tarreau2beef582012-12-20 17:22:52 +0100165 { "r", LOG_FMT_REQ, PR_MODE_HTTP, LW_REQ, NULL }, /* request */
166 { "rc", LOG_FMT_RETRIES, PR_MODE_TCP, LW_BYTES, NULL }, /* retries */
Willy Tarreau1f0da242014-01-25 11:01:50 +0100167 { "rt", LOG_FMT_COUNTER, PR_MODE_TCP, LW_REQ, NULL }, /* request counter (HTTP or TCP session) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100168 { "s", LOG_FMT_SERVER, PR_MODE_TCP, LW_SVID, NULL }, /* server */
169 { "sc", LOG_FMT_SRVCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_conn */
170 { "si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination ip */
171 { "sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination port */
172 { "sq", LOG_FMT_SRVQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_queue */
Willy Tarreauffc3fcd2012-10-12 20:17:54 +0200173 { "sslc", LOG_FMT_SSL_CIPHER, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL ciphers */
174 { "sslv", LOG_FMT_SSL_VERSION, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL protocol version */
Willy Tarreau2beef582012-12-20 17:22:52 +0100175 { "t", LOG_FMT_DATE, PR_MODE_TCP, LW_INIT, NULL }, /* date */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200176 { "tr", LOG_FMT_tr, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request */
177 { "trg",LOG_FMT_trg, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, GMT */
178 { "trl",LOG_FMT_trl, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, local */
Willy Tarreau2beef582012-12-20 17:22:52 +0100179 { "ts", LOG_FMT_TERMSTATE, PR_MODE_TCP, LW_BYTES, NULL },/* termination state */
180 { "tsc", LOG_FMT_TERMSTATE_CK, PR_MODE_TCP, LW_INIT, NULL },/* termination state */
181
182 /* The following tags are deprecated and will be removed soon */
183 { "Bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bi" }, /* backend source ip */
184 { "Bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bp" }, /* backend source port */
185 { "Ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP, NULL, "ci" }, /* client ip */
186 { "Cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP, NULL, "cp" }, /* client port */
187 { "Fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP, NULL, "fi" }, /* frontend ip */
188 { "Fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP, NULL, "fp" }, /* frontend port */
189 { "Si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL, "si" }, /* server destination ip */
190 { "Sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL, "sp" }, /* server destination port */
191 { "cc", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL, "CC" }, /* client cookie */
192 { "cs", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL, "CS" }, /* server cookie */
193 { "st", LOG_FMT_STATUS, PR_MODE_HTTP, LW_RESP, NULL, "ST" }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200194 { 0, 0, 0, 0, NULL }
William Lallemand723b73a2012-02-08 16:37:49 +0100195};
196
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200197char default_http_log_format[] = "%ci:%cp [%tr] %ft %b/%s %TR/%Tw/%Tc/%Tr/%Ta %ST %B %CC %CS %tsc %ac/%fc/%bc/%sc/%rc %sq/%bq %hr %hs %{+Q}r"; // default format
198char clf_http_log_format[] = "%{+Q}o %{-Q}ci - - [%trg] %r %ST %B \"\" \"\" %cp %ms %ft %b %s %TR %Tw %Tc %Tr %Ta %tsc %ac %fc %bc %sc %rc %sq %bq %CC %CS %hrl %hsl";
Willy Tarreau2beef582012-12-20 17:22:52 +0100199char default_tcp_log_format[] = "%ci:%cp [%t] %ft %b/%s %Tw/%Tc/%Tt %B %ts %ac/%fc/%bc/%sc/%rc %sq/%bq";
William Lallemand723b73a2012-02-08 16:37:49 +0100200char *log_format = NULL;
201
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200202/* Default string used for structured-data part in RFC5424 formatted
203 * syslog messages.
204 */
205char default_rfc5424_sd_log_format[] = "- ";
Dragan Dosen1322d092015-09-22 16:05:32 +0200206
207/* This is a global syslog header, common to all outgoing messages in
208 * RFC3164 format. It begins with time-based part and is updated by
209 * update_log_hdr().
Dragan Dosen59cee972015-09-19 22:09:02 +0200210 */
211char *logheader = NULL;
212
Dragan Dosen1322d092015-09-22 16:05:32 +0200213/* This is a global syslog header for messages in RFC5424 format. It is
214 * updated by update_log_hdr_rfc5424().
215 */
216char *logheader_rfc5424 = NULL;
217
Dragan Dosen59cee972015-09-19 22:09:02 +0200218/* This is a global syslog message buffer, common to all outgoing
219 * messages. It contains only the data part.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100220 */
Willy Tarreau18324f52014-06-27 18:10:07 +0200221char *logline = NULL;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100222
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200223/* A global syslog message buffer, common to all RFC5424 syslog messages.
224 * Currently, it is used for generating the structured-data part.
225 */
226char *logline_rfc5424 = NULL;
227
William Lallemand723b73a2012-02-08 16:37:49 +0100228struct logformat_var_args {
229 char *name;
230 int mask;
231};
232
233struct logformat_var_args var_args_list[] = {
234// global
235 { "M", LOG_OPT_MANDATORY },
236 { "Q", LOG_OPT_QUOTE },
William Lallemand5f232402012-04-05 18:02:55 +0200237 { "X", LOG_OPT_HEXA },
Dragan Dosen835b9212016-02-12 13:23:03 +0100238 { "E", LOG_OPT_ESC },
William Lallemand723b73a2012-02-08 16:37:49 +0100239 { 0, 0 }
240};
241
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200242/* return the name of the directive used in the current proxy for which we're
243 * currently parsing a header, when it is known.
244 */
245static inline const char *fmt_directive(const struct proxy *curproxy)
246{
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100247 switch (curproxy->conf.args.ctx) {
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200248 case ARGC_ACL:
249 return "acl";
250 case ARGC_STK:
251 return "stick";
252 case ARGC_TRK:
253 return "track-sc";
254 case ARGC_LOG:
255 return "log-format";
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200256 case ARGC_LOGSD:
257 return "log-format-sd";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100258 case ARGC_HRQ:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100259 return "http-request";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100260 case ARGC_HRS:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100261 return "http-response";
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200262 case ARGC_UIF:
263 return "unique-id-format";
Thierry FOURNIERd18cd0f2013-11-29 12:15:45 +0100264 case ARGC_RDR:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200265 return "redirect";
266 case ARGC_CAP:
267 return "capture";
Willy Tarreau28d976d2015-07-09 11:39:33 +0200268 case ARGC_SRV:
269 return "server";
Christopher Fauletf7e4e7e2016-10-27 22:29:49 +0200270 case ARGC_SPOE:
271 return "spoe-message";
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +0100272 case ARGC_UBK:
273 return "use_backend";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100274 default:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200275 return "undefined(please report this bug)"; /* must never happen */
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100276 }
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200277}
278
William Lallemand723b73a2012-02-08 16:37:49 +0100279/*
William Lallemandb7ff6a32012-03-02 14:35:21 +0100280 * callback used to configure addr source retrieval
281 */
282int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy)
283{
284 curproxy->options2 |= PR_O2_SRC_ADDR;
285
286 return 0;
287}
288
289
290/*
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100291 * Parse args in a logformat_var. Returns 0 in error
292 * case, otherwise, it returns 1.
William Lallemand723b73a2012-02-08 16:37:49 +0100293 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100294int parse_logformat_var_args(char *args, struct logformat_node *node, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100295{
296 int i = 0;
297 int end = 0;
298 int flags = 0; // 1 = + 2 = -
299 char *sp = NULL; // start pointer
300
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100301 if (args == NULL) {
302 memprintf(err, "internal error: parse_logformat_var_args() expects non null 'args'");
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100303 return 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100304 }
William Lallemand723b73a2012-02-08 16:37:49 +0100305
306 while (1) {
307 if (*args == '\0')
308 end = 1;
309
310 if (*args == '+') {
311 // add flag
312 sp = args + 1;
313 flags = 1;
314 }
315 if (*args == '-') {
316 // delete flag
317 sp = args + 1;
318 flags = 2;
319 }
320
321 if (*args == '\0' || *args == ',') {
322 *args = '\0';
Willy Tarreau254d44c2012-12-20 18:19:26 +0100323 for (i = 0; sp && var_args_list[i].name; i++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100324 if (strcmp(sp, var_args_list[i].name) == 0) {
325 if (flags == 1) {
326 node->options |= var_args_list[i].mask;
327 break;
328 } else if (flags == 2) {
329 node->options &= ~var_args_list[i].mask;
330 break;
331 }
332 }
333 }
334 sp = NULL;
335 if (end)
336 break;
337 }
Willy Tarreau254d44c2012-12-20 18:19:26 +0100338 args++;
William Lallemand723b73a2012-02-08 16:37:49 +0100339 }
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100340 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100341}
342
343/*
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100344 * Parse a variable '%varname' or '%{args}varname' in log-format. The caller
345 * must pass the args part in the <arg> pointer with its length in <arg_len>,
346 * and varname with its length in <var> and <var_len> respectively. <arg> is
347 * ignored when arg_len is 0. Neither <var> nor <var_len> may be null.
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100348 * Returns false in error case and err is filled, otherwise returns true.
William Lallemand723b73a2012-02-08 16:37:49 +0100349 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100350int parse_logformat_var(char *arg, int arg_len, char *var, int var_len, struct proxy *curproxy, struct list *list_format, int *defoptions, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100351{
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100352 int j;
353 struct logformat_node *node;
William Lallemand723b73a2012-02-08 16:37:49 +0100354
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100355 for (j = 0; logformat_keywords[j].name; j++) { // search a log type
356 if (strlen(logformat_keywords[j].name) == var_len &&
357 strncmp(var, logformat_keywords[j].name, var_len) == 0) {
358 if (logformat_keywords[j].mode != PR_MODE_HTTP || curproxy->mode == PR_MODE_HTTP) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200359 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100360 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100361 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100362 return 0;
363 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100364 node->type = logformat_keywords[j].type;
365 node->options = *defoptions;
366 if (arg_len) {
367 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100368 if (!parse_logformat_var_args(node->arg, node, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100369 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100370 }
371 if (node->type == LOG_FMT_GLOBAL) {
372 *defoptions = node->options;
373 free(node->arg);
374 free(node);
375 } else {
376 if (logformat_keywords[j].config_callback &&
377 logformat_keywords[j].config_callback(node, curproxy) != 0) {
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100378 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100379 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100380 curproxy->to_log |= logformat_keywords[j].lw;
381 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100382 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100383 if (logformat_keywords[j].replace_by)
Willy Tarreau06d97f92013-12-02 17:45:48 +0100384 Warning("parsing [%s:%d] : deprecated variable '%s' in '%s', please replace it with '%s'.\n",
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200385 curproxy->conf.args.file, curproxy->conf.args.line,
386 logformat_keywords[j].name, fmt_directive(curproxy), logformat_keywords[j].replace_by);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100387 return 1;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100388 } else {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100389 memprintf(err, "format variable '%s' is reserved for HTTP mode",
390 logformat_keywords[j].name);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100391 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100392 }
William Lallemand723b73a2012-02-08 16:37:49 +0100393 }
394 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100395
396 j = var[var_len];
397 var[var_len] = 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100398 memprintf(err, "no such format variable '%s'. If you wanted to emit the '%%' character verbatim, you need to use '%%%%'", var);
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100399 var[var_len] = j;
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100400 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100401}
402
403/*
404 * push to the logformat linked list
405 *
406 * start: start pointer
407 * end: end text pointer
408 * type: string type
William Lallemand1d705562012-03-12 12:46:41 +0100409 * list_format: destination list
William Lallemand723b73a2012-02-08 16:37:49 +0100410 *
411 * LOG_TEXT: copy chars from start to end excluding end.
412 *
413*/
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100414int add_to_logformat_list(char *start, char *end, int type, struct list *list_format, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100415{
416 char *str;
417
Willy Tarreaua3571662012-12-20 21:59:12 +0100418 if (type == LF_TEXT) { /* type text */
Vincent Bernat02779b62016-04-03 13:48:43 +0200419 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100420 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100421 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100422 return 0;
423 }
Vincent Bernat02779b62016-04-03 13:48:43 +0200424 str = calloc(1, end - start + 1);
William Lallemand723b73a2012-02-08 16:37:49 +0100425 strncpy(str, start, end - start);
William Lallemand723b73a2012-02-08 16:37:49 +0100426 str[end - start] = '\0';
427 node->arg = str;
William Lallemand1d705562012-03-12 12:46:41 +0100428 node->type = LOG_FMT_TEXT; // type string
429 LIST_ADDQ(list_format, &node->list);
Willy Tarreaua3571662012-12-20 21:59:12 +0100430 } else if (type == LF_SEPARATOR) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200431 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100432 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100433 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100434 return 0;
435 }
William Lallemand1d705562012-03-12 12:46:41 +0100436 node->type = LOG_FMT_SEPARATOR;
437 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100438 }
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100439 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100440}
441
442/*
Willy Tarreauc8368452012-12-21 00:09:23 +0100443 * Parse the sample fetch expression <text> and add a node to <list_format> upon
444 * success. At the moment, sample converters are not yet supported but fetch arguments
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200445 * should work. The curpx->conf.args.ctx must be set by the caller.
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100446 *
447 * In error case, the function returns 0, otherwise it returns 1.
Willy Tarreauc8368452012-12-21 00:09:23 +0100448 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100449int add_sample_to_logformat_list(char *text, char *arg, int arg_len, struct proxy *curpx, struct list *list_format, int options, int cap, char **err)
Willy Tarreauc8368452012-12-21 00:09:23 +0100450{
451 char *cmd[2];
452 struct sample_expr *expr;
453 struct logformat_node *node;
454 int cmd_arg;
455
456 cmd[0] = text;
457 cmd[1] = "";
458 cmd_arg = 0;
459
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100460 expr = sample_parse_expr(cmd, &cmd_arg, curpx->conf.args.file, curpx->conf.args.line, err, &curpx->conf.args);
Willy Tarreauc8368452012-12-21 00:09:23 +0100461 if (!expr) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100462 memprintf(err, "failed to parse sample expression <%s> : %s", text, *err);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100463 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100464 }
465
Vincent Bernat02779b62016-04-03 13:48:43 +0200466 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100467 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100468 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100469 return 0;
470 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100471 node->type = LOG_FMT_EXPR;
472 node->expr = expr;
473 node->options = options;
474
475 if (arg_len) {
476 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100477 if (!parse_logformat_var_args(node->arg, node, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100478 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100479 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100480 if (expr->fetch->val & cap & SMP_VAL_REQUEST)
Willy Tarreauc8368452012-12-21 00:09:23 +0100481 node->options |= LOG_OPT_REQ_CAP; /* fetch method is request-compatible */
482
Willy Tarreau434c57c2013-01-08 01:10:24 +0100483 if (expr->fetch->val & cap & SMP_VAL_RESPONSE)
Willy Tarreauc8368452012-12-21 00:09:23 +0100484 node->options |= LOG_OPT_RES_CAP; /* fetch method is response-compatible */
485
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100486 if (!(expr->fetch->val & cap)) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100487 memprintf(err, "sample fetch <%s> may not be reliably used here because it needs '%s' which is not available here",
488 text, sample_src_names(expr->fetch->use));
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100489 return 0;
490 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100491
Willy Tarreauc8368452012-12-21 00:09:23 +0100492 /* check if we need to allocate an hdr_idx struct for HTTP parsing */
493 /* Note, we may also need to set curpx->to_log with certain fetches */
Willy Tarreau25320b22013-03-24 07:22:08 +0100494 curpx->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);
Willy Tarreauc8368452012-12-21 00:09:23 +0100495
William Lallemand65ad6e12014-01-31 15:08:02 +0100496 /* FIXME: temporary workaround for missing LW_XPRT and LW_REQ flags
497 * needed with some sample fetches (eg: ssl*). We always set it for
498 * now on, but this will leave with sample capabilities soon.
Willy Tarreau1f31c732013-01-10 16:22:27 +0100499 */
500 curpx->to_log |= LW_XPRT;
William Lallemand65ad6e12014-01-31 15:08:02 +0100501 curpx->to_log |= LW_REQ;
Willy Tarreauc8368452012-12-21 00:09:23 +0100502 LIST_ADDQ(list_format, &node->list);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100503 return 1;
Willy Tarreauc8368452012-12-21 00:09:23 +0100504}
505
506/*
William Lallemand723b73a2012-02-08 16:37:49 +0100507 * Parse the log_format string and fill a linked list.
508 * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200509 * You can set arguments using { } : %{many arguments}varname.
510 * The curproxy->conf.args.ctx must be set by the caller.
William Lallemand1d705562012-03-12 12:46:41 +0100511 *
512 * str: the string to parse
513 * curproxy: the proxy affected
514 * list_format: the destination list
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100515 * options: LOG_OPT_* to force on every node
Willy Tarreau434c57c2013-01-08 01:10:24 +0100516 * cap: all SMP_VAL_* flags supported by the consumer
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100517 *
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100518 * The function returns 1 in success case, otherwise, it returns 0 and err is filled.
William Lallemand723b73a2012-02-08 16:37:49 +0100519 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100520int parse_logformat_string(const char *fmt, struct proxy *curproxy, struct list *list_format, int options, int cap, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100521{
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100522 char *sp, *str, *backfmt; /* start pointer for text parts */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100523 char *arg = NULL; /* start pointer for args */
524 char *var = NULL; /* start pointer for vars */
525 int arg_len = 0;
526 int var_len = 0;
527 int cformat; /* current token format */
528 int pformat; /* previous token format */
William Lallemand723b73a2012-02-08 16:37:49 +0100529 struct logformat_node *tmplf, *back;
530
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100531 sp = str = backfmt = strdup(fmt);
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100532 if (!str) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100533 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100534 return 0;
535 }
William Lallemand1dc00ef2012-08-09 16:41:35 +0200536 curproxy->to_log |= LW_INIT;
William Lallemand5e19a282012-04-02 16:22:10 +0200537
William Lallemand723b73a2012-02-08 16:37:49 +0100538 /* flush the list first. */
William Lallemand1d705562012-03-12 12:46:41 +0100539 list_for_each_entry_safe(tmplf, back, list_format, list) {
William Lallemand723b73a2012-02-08 16:37:49 +0100540 LIST_DEL(&tmplf->list);
541 free(tmplf);
542 }
543
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100544 for (cformat = LF_INIT; cformat != LF_END; str++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100545 pformat = cformat;
546
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100547 if (!*str)
548 cformat = LF_END; // preset it to save all states from doing this
William Lallemand723b73a2012-02-08 16:37:49 +0100549
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100550 /* The prinicple of the two-step state machine below is to first detect a change, and
551 * second have all common paths processed at one place. The common paths are the ones
552 * encountered in text areas (LF_INIT, LF_TEXT, LF_SEPARATOR) and at the end (LF_END).
553 * We use the common LF_INIT state to dispatch to the different final states.
554 */
555 switch (pformat) {
556 case LF_STARTVAR: // text immediately following a '%'
Willy Tarreauc8368452012-12-21 00:09:23 +0100557 arg = NULL; var = NULL;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100558 arg_len = var_len = 0;
559 if (*str == '{') { // optional argument
560 cformat = LF_STARG;
561 arg = str + 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100562 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100563 else if (*str == '[') {
564 cformat = LF_STEXPR;
565 var = str + 1; // store expr in variable name
566 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100567 else if (isalpha((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100568 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100569 var = str;
William Lallemand723b73a2012-02-08 16:37:49 +0100570 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100571 else if (*str == '%')
572 cformat = LF_TEXT; // convert this character to a litteral (useful for '%')
Willy Tarreau0f28f822013-12-16 01:38:33 +0100573 else if (isdigit((unsigned char)*str) || *str == ' ' || *str == '\t') {
Willy Tarreau06d97f92013-12-02 17:45:48 +0100574 /* single '%' followed by blank or digit, send them both */
575 cformat = LF_TEXT;
576 pformat = LF_TEXT; /* finally we include the previous char as well */
577 sp = str - 1; /* send both the '%' and the current char */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100578 memprintf(err, "unexpected variable name near '%c' at position %d line : '%s'. Maybe you want to write a simgle '%%', use the syntax '%%%%'",
579 *str, (int)(str - backfmt), fmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100580 return 0;
Willy Tarreau06d97f92013-12-02 17:45:48 +0100581
582 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100583 else
584 cformat = LF_INIT; // handle other cases of litterals
585 break;
586
587 case LF_STARG: // text immediately following '%{'
588 if (*str == '}') { // end of arg
William Lallemand723b73a2012-02-08 16:37:49 +0100589 cformat = LF_EDARG;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100590 arg_len = str - arg;
591 *str = 0; // used for reporting errors
William Lallemand723b73a2012-02-08 16:37:49 +0100592 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100593 break;
594
595 case LF_EDARG: // text immediately following '%{arg}'
Willy Tarreauc8368452012-12-21 00:09:23 +0100596 if (*str == '[') {
597 cformat = LF_STEXPR;
598 var = str + 1; // store expr in variable name
599 break;
600 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100601 else if (isalnum((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100602 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100603 var = str;
604 break;
605 }
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100606 memprintf(err, "parse argument modifier without variable name near '%%{%s}'", arg);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100607 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100608
Willy Tarreauc8368452012-12-21 00:09:23 +0100609 case LF_STEXPR: // text immediately following '%['
610 if (*str == ']') { // end of arg
611 cformat = LF_EDEXPR;
612 var_len = str - var;
613 *str = 0; // needed for parsing the expression
614 }
615 break;
616
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100617 case LF_VAR: // text part of a variable name
618 var_len = str - var;
Willy Tarreau0f28f822013-12-16 01:38:33 +0100619 if (!isalnum((unsigned char)*str))
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100620 cformat = LF_INIT; // not variable name anymore
621 break;
622
Willy Tarreauc8368452012-12-21 00:09:23 +0100623 default: // LF_INIT, LF_TEXT, LF_SEPARATOR, LF_END, LF_EDEXPR
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100624 cformat = LF_INIT;
625 }
626
627 if (cformat == LF_INIT) { /* resynchronize state to text/sep/startvar */
628 switch (*str) {
629 case '%': cformat = LF_STARTVAR; break;
630 case ' ': cformat = LF_SEPARATOR; break;
631 case 0 : cformat = LF_END; break;
632 default : cformat = LF_TEXT; break;
William Lallemand723b73a2012-02-08 16:37:49 +0100633 }
634 }
635
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100636 if (cformat != pformat || pformat == LF_SEPARATOR) {
637 switch (pformat) {
638 case LF_VAR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100639 if (!parse_logformat_var(arg, arg_len, var, var_len, curproxy, list_format, &options, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100640 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100641 break;
Willy Tarreauc8368452012-12-21 00:09:23 +0100642 case LF_STEXPR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100643 if (!add_sample_to_logformat_list(var, arg, arg_len, curproxy, list_format, options, cap, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100644 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100645 break;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100646 case LF_TEXT:
647 case LF_SEPARATOR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100648 if (!add_to_logformat_list(sp, str, pformat, list_format, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100649 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100650 break;
651 }
652 sp = str; /* new start of text at every state switch and at every separator */
William Lallemand723b73a2012-02-08 16:37:49 +0100653 }
654 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100655
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100656 if (pformat == LF_STARTVAR || pformat == LF_STARG || pformat == LF_STEXPR) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100657 memprintf(err, "truncated line after '%s'", var ? var : arg ? arg : "%");
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100658 return 0;
659 }
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100660 free(backfmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100661
662 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100663}
664
Willy Tarreaubaaee002006-06-26 02:48:02 +0200665/*
666 * Displays the message on stderr with the date and pid. Overrides the quiet
667 * mode during startup.
668 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200669void Alert(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200670{
671 va_list argp;
Willy Tarreaufe944602007-10-25 10:34:16 +0200672 struct tm tm;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200673
674 if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
675 va_start(argp, fmt);
676
Willy Tarreaub7f694f2008-06-22 17:18:02 +0200677 get_localtime(date.tv_sec, &tm);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200678 fprintf(stderr, "[ALERT] %03d/%02d%02d%02d (%d) : ",
Willy Tarreaufe944602007-10-25 10:34:16 +0200679 tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
Willy Tarreaubaaee002006-06-26 02:48:02 +0200680 vfprintf(stderr, fmt, argp);
681 fflush(stderr);
682 va_end(argp);
683 }
684}
685
686
687/*
688 * Displays the message on stderr with the date and pid.
689 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200690void Warning(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200691{
692 va_list argp;
Willy Tarreaufe944602007-10-25 10:34:16 +0200693 struct tm tm;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200694
695 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
696 va_start(argp, fmt);
697
Willy Tarreaub7f694f2008-06-22 17:18:02 +0200698 get_localtime(date.tv_sec, &tm);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200699 fprintf(stderr, "[WARNING] %03d/%02d%02d%02d (%d) : ",
Willy Tarreaufe944602007-10-25 10:34:16 +0200700 tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
Willy Tarreaubaaee002006-06-26 02:48:02 +0200701 vfprintf(stderr, fmt, argp);
702 fflush(stderr);
703 va_end(argp);
704 }
705}
706
707/*
708 * Displays the message on <out> only if quiet mode is not set.
709 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200710void qfprintf(FILE *out, const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200711{
712 va_list argp;
713
714 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
715 va_start(argp, fmt);
716 vfprintf(out, fmt, argp);
717 fflush(out);
718 va_end(argp);
719 }
720}
721
722/*
Dragan Dosen1322d092015-09-22 16:05:32 +0200723 * returns log format for <fmt> or -1 if not found.
724 */
725int get_log_format(const char *fmt)
726{
727 int format;
728
729 format = LOG_FORMATS - 1;
Dragan Dosen43885c72015-10-01 13:18:13 +0200730 while (format >= 0 && strcmp(log_formats[format].name, fmt))
Dragan Dosen1322d092015-09-22 16:05:32 +0200731 format--;
732
733 return format;
734}
735
736/*
Willy Tarreaubaaee002006-06-26 02:48:02 +0200737 * returns log level for <lev> or -1 if not found.
738 */
739int get_log_level(const char *lev)
740{
741 int level;
742
743 level = NB_LOG_LEVELS - 1;
744 while (level >= 0 && strcmp(log_levels[level], lev))
745 level--;
746
747 return level;
748}
749
Willy Tarreaubaaee002006-06-26 02:48:02 +0200750/*
751 * returns log facility for <fac> or -1 if not found.
752 */
753int get_log_facility(const char *fac)
754{
755 int facility;
756
757 facility = NB_LOG_FACILITIES - 1;
758 while (facility >= 0 && strcmp(log_facilities[facility], fac))
759 facility--;
William Lallemand2a4a44f2012-02-06 16:00:33 +0100760
Willy Tarreaubaaee002006-06-26 02:48:02 +0200761 return facility;
762}
763
William Lallemanda1cc3812012-02-08 16:38:44 +0100764/*
Dragan Dosen835b9212016-02-12 13:23:03 +0100765 * Encode the string.
766 *
767 * When using the +E log format option, it will try to escape '"\]'
768 * characters with '\' as prefix. The same prefix should not be used as
769 * <escape>.
770 */
771static char *lf_encode_string(char *start, char *stop,
772 const char escape, const fd_set *map,
773 const char *string,
774 struct logformat_node *node)
775{
776 if (node->options & LOG_OPT_ESC) {
777 if (start < stop) {
778 stop--; /* reserve one byte for the final '\0' */
779 while (start < stop && *string != '\0') {
780 if (!FD_ISSET((unsigned char)(*string), map)) {
781 if (!FD_ISSET((unsigned char)(*string), rfc5424_escape_map))
782 *start++ = *string;
783 else {
784 if (start + 2 >= stop)
785 break;
786 *start++ = '\\';
787 *start++ = *string;
788 }
789 }
790 else {
791 if (start + 3 >= stop)
792 break;
793 *start++ = escape;
794 *start++ = hextab[(*string >> 4) & 15];
795 *start++ = hextab[*string & 15];
796 }
797 string++;
798 }
799 *start = '\0';
800 }
801 }
802 else {
803 return encode_string(start, stop, escape, map, string);
804 }
805
806 return start;
807}
808
809/*
810 * Encode the chunk.
811 *
812 * When using the +E log format option, it will try to escape '"\]'
813 * characters with '\' as prefix. The same prefix should not be used as
814 * <escape>.
815 */
816static char *lf_encode_chunk(char *start, char *stop,
817 const char escape, const fd_set *map,
818 const struct chunk *chunk,
819 struct logformat_node *node)
820{
821 char *str, *end;
822
823 if (node->options & LOG_OPT_ESC) {
824 if (start < stop) {
825 str = chunk->str;
826 end = chunk->str + chunk->len;
827
828 stop--; /* reserve one byte for the final '\0' */
829 while (start < stop && str < end) {
830 if (!FD_ISSET((unsigned char)(*str), map)) {
831 if (!FD_ISSET((unsigned char)(*str), rfc5424_escape_map))
832 *start++ = *str;
833 else {
834 if (start + 2 >= stop)
835 break;
836 *start++ = '\\';
837 *start++ = *str;
838 }
839 }
840 else {
841 if (start + 3 >= stop)
842 break;
843 *start++ = escape;
844 *start++ = hextab[(*str >> 4) & 15];
845 *start++ = hextab[*str & 15];
846 }
847 str++;
848 }
849 *start = '\0';
850 }
851 }
852 else {
853 return encode_chunk(start, stop, escape, map, chunk);
854 }
855
856 return start;
857}
858
859/*
William Lallemanda1cc3812012-02-08 16:38:44 +0100860 * Write a string in the log string
Dragan Dosen835b9212016-02-12 13:23:03 +0100861 * Take cares of quote and escape options
William Lallemanda1cc3812012-02-08 16:38:44 +0100862 *
863 * Return the adress of the \0 character, or NULL on error
864 */
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100865char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct logformat_node *node)
William Lallemanda1cc3812012-02-08 16:38:44 +0100866{
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100867 if (size < 2)
868 return NULL;
William Lallemanda1cc3812012-02-08 16:38:44 +0100869
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100870 if (node->options & LOG_OPT_QUOTE) {
871 *(dst++) = '"';
872 size--;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100873 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100874
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100875 if (src && len) {
Dragan Dosendb1b6f92016-07-25 11:35:02 +0200876 if (++len > size)
877 len = size;
Dragan Dosen835b9212016-02-12 13:23:03 +0100878 if (node->options & LOG_OPT_ESC) {
Dragan Dosen835b9212016-02-12 13:23:03 +0100879 char *ret;
880
Dragan Dosendb1b6f92016-07-25 11:35:02 +0200881 ret = escape_string(dst, dst + len, '\\', rfc5424_escape_map, src);
Dragan Dosen835b9212016-02-12 13:23:03 +0100882 if (ret == NULL || *ret != '\0')
883 return NULL;
884 len = ret - dst;
885 }
886 else {
Dragan Dosen835b9212016-02-12 13:23:03 +0100887 len = strlcpy2(dst, src, len);
888 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100889
890 size -= len;
891 dst += len;
892 }
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100893 else if ((node->options & (LOG_OPT_QUOTE|LOG_OPT_MANDATORY)) == LOG_OPT_MANDATORY) {
894 if (size < 2)
895 return NULL;
896 *(dst++) = '-';
897 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100898
899 if (node->options & LOG_OPT_QUOTE) {
900 if (size < 2)
901 return NULL;
902 *(dst++) = '"';
903 }
904
905 *dst = '\0';
William Lallemandbddd4fd2012-02-27 11:23:10 +0100906 return dst;
William Lallemanda1cc3812012-02-08 16:38:44 +0100907}
908
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100909static inline char *lf_text(char *dst, const char *src, size_t size, struct logformat_node *node)
910{
911 return lf_text_len(dst, src, size, size, node);
912}
913
William Lallemand5f232402012-04-05 18:02:55 +0200914/*
915 * Write a IP adress to the log string
916 * +X option write in hexadecimal notation, most signifant byte on the left
917 */
918char *lf_ip(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node)
919{
920 char *ret = dst;
921 int iret;
922 char pn[INET6_ADDRSTRLEN];
923
924 if (node->options & LOG_OPT_HEXA) {
925 const unsigned char *addr = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_addr.s_addr;
926 iret = snprintf(dst, size, "%02X%02X%02X%02X", addr[0], addr[1], addr[2], addr[3]);
927 if (iret < 0 || iret > size)
928 return NULL;
929 ret += iret;
930 } else {
931 addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
932 ret = lf_text(dst, pn, size, node);
933 if (ret == NULL)
934 return NULL;
935 }
936 return ret;
937}
938
939/*
940 * Write a port to the log
941 * +X option write in hexadecimal notation, most signifant byte on the left
942 */
943char *lf_port(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node)
944{
945 char *ret = dst;
946 int iret;
947
948 if (node->options & LOG_OPT_HEXA) {
949 const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
950 iret = snprintf(dst, size, "%02X%02X", port[0], port[1]);
951 if (iret < 0 || iret > size)
952 return NULL;
953 ret += iret;
954 } else {
955 ret = ltoa_o(get_host_port((struct sockaddr_storage *)sockaddr), dst, size);
956 if (ret == NULL)
957 return NULL;
958 }
959 return ret;
960}
961
Dragan Dosen1322d092015-09-22 16:05:32 +0200962/* Re-generate time-based part of the syslog header in RFC3164 format at
963 * the beginning of logheader once a second and return the pointer to the
964 * first character after it.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100965 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200966static char *update_log_hdr(const time_t time)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200967{
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100968 static long tvsec;
969 static char *dataptr = NULL; /* backup of last end of header, NULL first time */
Dragan Dosen43885c72015-10-01 13:18:13 +0200970 static struct chunk host = { NULL, 0, 0 };
971 static int sep = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200972
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200973 if (unlikely(time != tvsec || dataptr == NULL)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200974 /* this string is rebuild only once a second */
Willy Tarreaufe944602007-10-25 10:34:16 +0200975 struct tm tm;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100976 int hdr_len;
Willy Tarreaufe944602007-10-25 10:34:16 +0200977
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200978 tvsec = time;
Willy Tarreaufe944602007-10-25 10:34:16 +0200979 get_localtime(tvsec, &tm);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200980
Dragan Dosen43885c72015-10-01 13:18:13 +0200981 if (unlikely(global.log_send_hostname != host.str)) {
982 host.str = global.log_send_hostname;
983 host.len = host.str ? strlen(host.str) : 0;
984 sep = host.len ? 1 : 0;
985 }
986
Dragan Dosen59cee972015-09-19 22:09:02 +0200987 hdr_len = snprintf(logheader, global.max_syslog_len,
Dragan Dosen43885c72015-10-01 13:18:13 +0200988 "<<<<>%s %2d %02d:%02d:%02d %.*s%*s",
Willy Tarreaufe944602007-10-25 10:34:16 +0200989 monthname[tm.tm_mon],
Dragan Dosen43885c72015-10-01 13:18:13 +0200990 tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec,
991 host.len, host.str, sep, "");
Willy Tarreaubaaee002006-06-26 02:48:02 +0200992 /* WARNING: depending upon implementations, snprintf may return
993 * either -1 or the number of bytes that would be needed to store
994 * the total message. In both cases, we must adjust it.
995 */
Willy Tarreau18324f52014-06-27 18:10:07 +0200996 if (hdr_len < 0 || hdr_len > global.max_syslog_len)
997 hdr_len = global.max_syslog_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200998
Dragan Dosen59cee972015-09-19 22:09:02 +0200999 dataptr = logheader + hdr_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001000 }
1001
Willy Tarreau094af4e2015-01-07 15:03:42 +01001002 dataptr[0] = 0; // ensure we get rid of any previous attempt
1003
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001004 return dataptr;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001005}
1006
Dragan Dosen1322d092015-09-22 16:05:32 +02001007/* Re-generate time-based part of the syslog header in RFC5424 format at
1008 * the beginning of logheader_rfc5424 once a second and return the pointer
1009 * to the first character after it.
1010 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001011static char *update_log_hdr_rfc5424(const time_t time)
Dragan Dosen1322d092015-09-22 16:05:32 +02001012{
1013 static long tvsec;
1014 static char *dataptr = NULL; /* backup of last end of header, NULL first time */
Benoit GARNIERb413c2a2016-03-27 11:08:03 +02001015 const char *gmt_offset;
Dragan Dosen1322d092015-09-22 16:05:32 +02001016
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001017 if (unlikely(time != tvsec || dataptr == NULL)) {
Dragan Dosen1322d092015-09-22 16:05:32 +02001018 /* this string is rebuild only once a second */
1019 struct tm tm;
1020 int hdr_len;
1021
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001022 tvsec = time;
Dragan Dosen1322d092015-09-22 16:05:32 +02001023 get_localtime(tvsec, &tm);
Benoit GARNIERe2e5bde2016-03-27 03:04:16 +02001024 gmt_offset = get_gmt_offset(time, &tm);
Dragan Dosen1322d092015-09-22 16:05:32 +02001025
1026 hdr_len = snprintf(logheader_rfc5424, global.max_syslog_len,
Dragan Dosen17def462015-10-09 21:31:43 +02001027 "<<<<>1 %4d-%02d-%02dT%02d:%02d:%02d%.3s:%.2s %s ",
Dragan Dosen1322d092015-09-22 16:05:32 +02001028 tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
Dragan Dosen17def462015-10-09 21:31:43 +02001029 tm.tm_hour, tm.tm_min, tm.tm_sec,
Benoit GARNIERb413c2a2016-03-27 11:08:03 +02001030 gmt_offset, gmt_offset+3,
Dragan Dosen43885c72015-10-01 13:18:13 +02001031 global.log_send_hostname ? global.log_send_hostname : hostname);
Dragan Dosen1322d092015-09-22 16:05:32 +02001032 /* WARNING: depending upon implementations, snprintf may return
1033 * either -1 or the number of bytes that would be needed to store
1034 * the total message. In both cases, we must adjust it.
1035 */
1036 if (hdr_len < 0 || hdr_len > global.max_syslog_len)
1037 hdr_len = global.max_syslog_len;
1038
1039 dataptr = logheader_rfc5424 + hdr_len;
1040 }
1041
1042 dataptr[0] = 0; // ensure we get rid of any previous attempt
1043
1044 return dataptr;
1045}
1046
William Lallemand2a4a44f2012-02-06 16:00:33 +01001047/*
Dragan Dosen59cee972015-09-19 22:09:02 +02001048 * This function sends the syslog message using a printf format string. It
1049 * expects an LF-terminated message.
William Lallemand2a4a44f2012-02-06 16:00:33 +01001050 */
1051void send_log(struct proxy *p, int level, const char *format, ...)
1052{
1053 va_list argp;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001054 int data_len;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001055
Willy Tarreau8c97ab52015-01-15 16:29:53 +01001056 if (level < 0 || format == NULL || logline == NULL)
William Lallemand2a4a44f2012-02-06 16:00:33 +01001057 return;
1058
William Lallemand2a4a44f2012-02-06 16:00:33 +01001059 va_start(argp, format);
Dragan Dosen59cee972015-09-19 22:09:02 +02001060 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
Willy Tarreau18324f52014-06-27 18:10:07 +02001061 if (data_len < 0 || data_len > global.max_syslog_len)
1062 data_len = global.max_syslog_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001063 va_end(argp);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001064
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001065 __send_log(p, level, logline, data_len, default_rfc5424_sd_log_format, 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001066}
1067
1068/*
1069 * This function sends a syslog message.
1070 * It doesn't care about errors nor does it report them.
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001071 * It overrides the last byte of the message vector with an LF character.
1072 * The arguments <sd> and <sd_size> are used for the structured-data part
1073 * in RFC5424 formatted syslog messages.
William Lallemand2a4a44f2012-02-06 16:00:33 +01001074 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001075void __send_log(struct proxy *p, int level, char *message, size_t size, char *sd, size_t sd_size)
William Lallemand2a4a44f2012-02-06 16:00:33 +01001076{
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001077 static struct iovec iovec[NB_MSG_IOVEC_ELEMENTS] = { };
1078 static struct msghdr msghdr = {
1079 .msg_iov = iovec,
1080 .msg_iovlen = NB_MSG_IOVEC_ELEMENTS
1081 };
William Lallemand2a4a44f2012-02-06 16:00:33 +01001082 static int logfdunix = -1; /* syslog to AF_UNIX socket */
1083 static int logfdinet = -1; /* syslog to AF_INET socket */
1084 static char *dataptr = NULL;
1085 int fac_level;
1086 struct list *logsrvs = NULL;
1087 struct logsrv *tmp = NULL;
1088 int nblogger;
Dragan Dosen1322d092015-09-22 16:05:32 +02001089 char *hdr, *hdr_ptr;
Dragan Dosen59cee972015-09-19 22:09:02 +02001090 size_t hdr_size;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001091 time_t time = date.tv_sec;
Dragan Dosen43885c72015-10-01 13:18:13 +02001092 struct chunk *tag = &global.log_tag;
1093 static int curr_pid;
1094 static char pidstr[100];
1095 static struct chunk pid;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001096
1097 dataptr = message;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001098
1099 if (p == NULL) {
William Lallemand0f99e342011-10-12 17:50:54 +02001100 if (!LIST_ISEMPTY(&global.logsrvs)) {
1101 logsrvs = &global.logsrvs;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001102 }
1103 } else {
William Lallemand0f99e342011-10-12 17:50:54 +02001104 if (!LIST_ISEMPTY(&p->logsrvs)) {
1105 logsrvs = &p->logsrvs;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001106 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001107 if (p->log_tag.str) {
1108 tag = &p->log_tag;
1109 }
Robert Tsai81ae1952007-12-05 10:47:29 +01001110 }
1111
William Lallemand0f99e342011-10-12 17:50:54 +02001112 if (!logsrvs)
1113 return;
1114
Dragan Dosen43885c72015-10-01 13:18:13 +02001115 if (unlikely(curr_pid != getpid())) {
1116 curr_pid = getpid();
1117 ltoa_o(curr_pid, pidstr, sizeof(pidstr));
1118 chunk_initstr(&pid, pidstr);
1119 }
1120
Robert Tsai81ae1952007-12-05 10:47:29 +01001121 /* Send log messages to syslog server. */
William Lallemand0f99e342011-10-12 17:50:54 +02001122 nblogger = 0;
1123 list_for_each_entry(tmp, logsrvs, list) {
1124 const struct logsrv *logsrv = tmp;
David du Colombier11bcb6c2011-03-24 12:23:00 +01001125 int *plogfd = logsrv->addr.ss_family == AF_UNIX ?
Robert Tsai81ae1952007-12-05 10:47:29 +01001126 &logfdunix : &logfdinet;
Dragan Dosen43885c72015-10-01 13:18:13 +02001127 char *pid_sep1 = NULL, *pid_sep2 = NULL;
Robert Tsai81ae1952007-12-05 10:47:29 +01001128 int sent;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001129 int maxlen;
Dragan Dosen59cee972015-09-19 22:09:02 +02001130 int hdr_max = 0;
Dragan Dosen43885c72015-10-01 13:18:13 +02001131 int tag_max = 0;
1132 int pid_sep1_max = 0;
1133 int pid_max = 0;
1134 int pid_sep2_max = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001135 int sd_max = 0;
Dragan Dosen5b78d9b2015-09-28 16:01:03 +02001136 int max = 0;
Robert Tsai81ae1952007-12-05 10:47:29 +01001137
Willy Tarreauc7c7be22014-06-23 18:07:15 +02001138 nblogger++;
1139
Willy Tarreaubaaee002006-06-26 02:48:02 +02001140 /* we can filter the level of the messages that are sent to each logger */
William Lallemand0f99e342011-10-12 17:50:54 +02001141 if (level > logsrv->level)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001142 continue;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001143
Willy Tarreauc7c7be22014-06-23 18:07:15 +02001144 if (unlikely(*plogfd < 0)) {
1145 /* socket not successfully initialized yet */
1146 int proto = logsrv->addr.ss_family == AF_UNIX ? 0 : IPPROTO_UDP;
1147
1148 if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM, proto)) < 0) {
1149 Alert("socket for logger #%d failed: %s (errno=%d)\n",
1150 nblogger, strerror(errno), errno);
1151 continue;
1152 }
1153 /* we don't want to receive anything on this socket */
1154 setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
1155 /* does nothing under Linux, maybe needed for others */
1156 shutdown(*plogfd, SHUT_RD);
1157 }
1158
Dragan Dosen1322d092015-09-22 16:05:32 +02001159 switch (logsrv->format) {
1160 case LOG_FORMAT_RFC3164:
1161 hdr = logheader;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001162 hdr_ptr = update_log_hdr(time);
Dragan Dosen1322d092015-09-22 16:05:32 +02001163 break;
1164
1165 case LOG_FORMAT_RFC5424:
1166 hdr = logheader_rfc5424;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001167 hdr_ptr = update_log_hdr_rfc5424(time);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001168 sd_max = sd_size; /* the SD part allowed only in RFC5424 */
Dragan Dosen1322d092015-09-22 16:05:32 +02001169 break;
1170
1171 default:
1172 continue; /* must never happen */
1173 }
1174
1175 hdr_size = hdr_ptr - hdr;
1176
Willy Tarreaubaaee002006-06-26 02:48:02 +02001177 /* For each target, we may have a different facility.
1178 * We can also have a different log level for each message.
1179 * This induces variations in the message header length.
1180 * Since we don't want to recompute it each time, nor copy it every
1181 * time, we only change the facility in the pre-computed header,
1182 * and we change the pointer to the header accordingly.
1183 */
William Lallemand0f99e342011-10-12 17:50:54 +02001184 fac_level = (logsrv->facility << 3) + MAX(level, logsrv->minlvl);
Dragan Dosen1322d092015-09-22 16:05:32 +02001185 hdr_ptr = hdr + 3; /* last digit of the log level */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001186 do {
Dragan Dosen59cee972015-09-19 22:09:02 +02001187 *hdr_ptr = '0' + fac_level % 10;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001188 fac_level /= 10;
Dragan Dosen59cee972015-09-19 22:09:02 +02001189 hdr_ptr--;
Dragan Dosen1322d092015-09-22 16:05:32 +02001190 } while (fac_level && hdr_ptr > hdr);
Dragan Dosen59cee972015-09-19 22:09:02 +02001191 *hdr_ptr = '<';
William Lallemand2a4a44f2012-02-06 16:00:33 +01001192
Dragan Dosen1322d092015-09-22 16:05:32 +02001193 hdr_max = hdr_size - (hdr_ptr - hdr);
Dragan Dosen59cee972015-09-19 22:09:02 +02001194
Dragan Dosen43885c72015-10-01 13:18:13 +02001195 /* time-based header */
Dragan Dosen59cee972015-09-19 22:09:02 +02001196 if (unlikely(hdr_size >= logsrv->maxlen)) {
1197 hdr_max = MIN(hdr_max, logsrv->maxlen) - 1;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001198 sd_max = 0;
Dragan Dosen59cee972015-09-19 22:09:02 +02001199 goto send;
1200 }
1201
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001202 maxlen = logsrv->maxlen - hdr_max;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001203
Dragan Dosen43885c72015-10-01 13:18:13 +02001204 /* tag */
1205 tag_max = tag->len;
1206 if (unlikely(tag_max >= maxlen)) {
1207 tag_max = maxlen - 1;
1208 sd_max = 0;
1209 goto send;
1210 }
1211
1212 maxlen -= tag_max;
1213
1214 /* first pid separator */
1215 pid_sep1_max = log_formats[logsrv->format].pid.sep1.len;
1216 if (unlikely(pid_sep1_max >= maxlen)) {
1217 pid_sep1_max = maxlen - 1;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001218 sd_max = 0;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001219 goto send;
1220 }
1221
Dragan Dosen43885c72015-10-01 13:18:13 +02001222 pid_sep1 = log_formats[logsrv->format].pid.sep1.str;
1223 maxlen -= pid_sep1_max;
Dragan Dosen59cee972015-09-19 22:09:02 +02001224
Dragan Dosen43885c72015-10-01 13:18:13 +02001225 /* pid */
1226 pid_max = pid.len;
1227 if (unlikely(pid_max >= maxlen)) {
1228 pid_max = maxlen - 1;
1229 sd_max = 0;
1230 goto send;
1231 }
1232
1233 maxlen -= pid_max;
1234
1235 /* second pid separator */
1236 pid_sep2_max = log_formats[logsrv->format].pid.sep2.len;
1237 if (unlikely(pid_sep2_max >= maxlen)) {
1238 pid_sep2_max = maxlen - 1;
1239 sd_max = 0;
1240 goto send;
1241 }
1242
1243 pid_sep2 = log_formats[logsrv->format].pid.sep2.str;
1244 maxlen -= pid_sep2_max;
1245
1246 /* structured-data */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001247 if (sd_max >= maxlen) {
1248 sd_max = maxlen - 1;
1249 goto send;
1250 }
Dragan Dosen59cee972015-09-19 22:09:02 +02001251
Dragan Dosen5b78d9b2015-09-28 16:01:03 +02001252 max = MIN(size, maxlen - sd_max) - 1;
Dragan Dosen59cee972015-09-19 22:09:02 +02001253send:
Dragan Dosen59cee972015-09-19 22:09:02 +02001254 iovec[0].iov_base = hdr_ptr;
Dragan Dosen43885c72015-10-01 13:18:13 +02001255 iovec[0].iov_len = hdr_max;
1256 iovec[1].iov_base = tag->str;
1257 iovec[1].iov_len = tag_max;
1258 iovec[2].iov_base = pid_sep1;
1259 iovec[2].iov_len = pid_sep1_max;
1260 iovec[3].iov_base = pid.str;
1261 iovec[3].iov_len = pid_max;
1262 iovec[4].iov_base = pid_sep2;
1263 iovec[4].iov_len = pid_sep2_max;
1264 iovec[5].iov_base = sd;
1265 iovec[5].iov_len = sd_max;
1266 iovec[6].iov_base = dataptr;
1267 iovec[6].iov_len = max;
1268 iovec[7].iov_base = "\n"; /* insert a \n at the end of the message */
1269 iovec[7].iov_len = 1;
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001270
1271 msghdr.msg_name = (struct sockaddr *)&logsrv->addr;
1272 msghdr.msg_namelen = get_addr_len(&logsrv->addr);
1273
1274 sent = sendmsg(*plogfd, &msghdr, MSG_DONTWAIT | MSG_NOSIGNAL);
Willy Tarreau18324f52014-06-27 18:10:07 +02001275
Robert Tsai81ae1952007-12-05 10:47:29 +01001276 if (sent < 0) {
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001277 Alert("sendmsg logger #%d failed: %s (errno=%d)\n",
Robert Tsai81ae1952007-12-05 10:47:29 +01001278 nblogger, strerror(errno), errno);
1279 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001280 }
1281}
1282
William Lallemandbddd4fd2012-02-27 11:23:10 +01001283extern fd_set hdr_encode_map[];
1284extern fd_set url_encode_map[];
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001285extern fd_set http_encode_map[];
William Lallemandbddd4fd2012-02-27 11:23:10 +01001286
Willy Tarreaubaaee002006-06-26 02:48:02 +02001287
Willy Tarreauc89ccb62012-04-05 21:18:22 +02001288const char sess_cookie[8] = "NIDVEOU7"; /* No cookie, Invalid cookie, cookie for a Down server, Valid cookie, Expired cookie, Old cookie, Unused, unknown */
William Lallemandbddd4fd2012-02-27 11:23:10 +01001289const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
1290 Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
1291 Set-cookie Updated, unknown, unknown */
1292
William Lallemand1d705562012-03-12 12:46:41 +01001293/*
1294 * try to write a character if there is enough space, or goto out
1295 */
William Lallemandbddd4fd2012-02-27 11:23:10 +01001296#define LOGCHAR(x) do { \
William Lallemand1d705562012-03-12 12:46:41 +01001297 if (tmplog < dst + maxsize - 1) { \
William Lallemandbddd4fd2012-02-27 11:23:10 +01001298 *(tmplog++) = (x); \
1299 } else { \
1300 goto out; \
1301 } \
1302 } while(0)
1303
Dragan Dosen835b9212016-02-12 13:23:03 +01001304
1305/* Initializes some log data.
1306 */
1307void init_log()
1308{
1309 char *tmp;
1310
1311 /* Initialize the escape map for the RFC5424 structured-data : '"\]'
1312 * inside PARAM-VALUE should be escaped with '\' as prefix.
1313 * See https://tools.ietf.org/html/rfc5424#section-6.3.3 for more
1314 * details.
1315 */
1316 memset(rfc5424_escape_map, 0, sizeof(rfc5424_escape_map));
1317
1318 tmp = "\"\\]";
1319 while (*tmp) {
1320 FD_SET(*tmp, rfc5424_escape_map);
1321 tmp++;
1322 }
1323}
William Lallemand1d705562012-03-12 12:46:41 +01001324
Willy Tarreaudf974472012-12-28 02:44:01 +01001325/* Builds a log line in <dst> based on <list_format>, and stops before reaching
1326 * <maxsize> characters. Returns the size of the output string in characters,
1327 * not counting the trailing zero which is always added if the resulting size
1328 * is not zero.
1329 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001330int build_logline(struct stream *s, char *dst, size_t maxsize, struct list *list_format)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001331{
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001332 struct session *sess = strm_sess(s);
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02001333 struct proxy *fe = sess->fe;
Willy Tarreauddb358d2006-12-17 22:55:52 +01001334 struct proxy *be = s->be;
Willy Tarreaueee5b512015-04-03 23:46:31 +02001335 struct http_txn *txn = s->txn;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001336 struct chunk chunk;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001337 char *uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001338 char *spc;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00001339 char *qmark;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001340 char *end;
Willy Tarreaufe944602007-10-25 10:34:16 +02001341 struct tm tm;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001342 int t_request;
1343 int hdr;
1344 int last_isspace = 1;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001345 int nspaces = 0;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001346 char *tmplog;
William Lallemand1d705562012-03-12 12:46:41 +01001347 char *ret;
1348 int iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001349 struct logformat_node *tmp;
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001350 struct timeval tv;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001351
William Lallemandbddd4fd2012-02-27 11:23:10 +01001352 /* FIXME: let's limit ourselves to frontend logging for now. */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001353
William Lallemandbddd4fd2012-02-27 11:23:10 +01001354 t_request = -1;
1355 if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept))
1356 t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request);
1357
William Lallemand1d705562012-03-12 12:46:41 +01001358 tmplog = dst;
Willy Tarreauc9bd0cc2009-05-10 11:57:02 +02001359
William Lallemandbddd4fd2012-02-27 11:23:10 +01001360 /* fill logbuffer */
William Lallemand1d705562012-03-12 12:46:41 +01001361 if (LIST_ISEMPTY(list_format))
1362 return 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001363
William Lallemand1d705562012-03-12 12:46:41 +01001364 list_for_each_entry(tmp, list_format, list) {
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001365 struct connection *conn;
Willy Tarreau4f653562012-10-12 19:48:16 +02001366 const char *src = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +01001367 struct sample *key;
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001368 const struct chunk empty = { NULL, 0, 0 };
William Lallemandbddd4fd2012-02-27 11:23:10 +01001369
Willy Tarreauc8368452012-12-21 00:09:23 +01001370 switch (tmp->type) {
William Lallemand1d705562012-03-12 12:46:41 +01001371 case LOG_FMT_SEPARATOR:
William Lallemandbddd4fd2012-02-27 11:23:10 +01001372 if (!last_isspace) {
1373 LOGCHAR(' ');
1374 last_isspace = 1;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001375 }
1376 break;
1377
William Lallemand1d705562012-03-12 12:46:41 +01001378 case LOG_FMT_TEXT: // text
William Lallemandbddd4fd2012-02-27 11:23:10 +01001379 src = tmp->arg;
William Lallemand5f232402012-04-05 18:02:55 +02001380 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001381 if (iret == 0)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001382 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001383 tmplog += iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001384 last_isspace = 0;
1385 break;
1386
Willy Tarreauc8368452012-12-21 00:09:23 +01001387 case LOG_FMT_EXPR: // sample expression, may be request or response
1388 key = NULL;
1389 if (tmp->options & LOG_OPT_REQ_CAP)
Adis Nezirovic79beb242015-07-06 15:41:02 +02001390 key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
Willy Tarreauc8368452012-12-21 00:09:23 +01001391 if (!key && (tmp->options & LOG_OPT_RES_CAP))
Adis Nezirovic79beb242015-07-06 15:41:02 +02001392 key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001393 if (tmp->options & LOG_OPT_HTTP)
Dragan Dosen835b9212016-02-12 13:23:03 +01001394 ret = lf_encode_chunk(tmplog, dst + maxsize,
1395 '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001396 else
Thierry FOURNIER136f9d32015-08-19 09:07:19 +02001397 ret = lf_text_len(tmplog, key ? key->data.u.str.str : NULL, key ? key->data.u.str.len : 0, dst + maxsize - tmplog, tmp);
Willy Tarreauc8368452012-12-21 00:09:23 +01001398 if (ret == 0)
1399 goto out;
1400 tmplog = ret;
1401 last_isspace = 0;
1402 break;
1403
Willy Tarreau2beef582012-12-20 17:22:52 +01001404 case LOG_FMT_CLIENTIP: // %ci
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001405 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001406 if (conn)
1407 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1408 else
1409 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001410 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001411 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001412 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001413 last_isspace = 0;
1414 break;
1415
Willy Tarreau2beef582012-12-20 17:22:52 +01001416 case LOG_FMT_CLIENTPORT: // %cp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001417 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001418 if (conn) {
1419 if (conn->addr.from.ss_family == AF_UNIX) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001420 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001421 } else {
1422 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.from,
1423 dst + maxsize - tmplog, tmp);
1424 }
William Lallemand5f232402012-04-05 18:02:55 +02001425 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001426 else
1427 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1428
William Lallemand5f232402012-04-05 18:02:55 +02001429 if (ret == NULL)
1430 goto out;
1431 tmplog = ret;
1432 last_isspace = 0;
1433 break;
1434
Willy Tarreau2beef582012-12-20 17:22:52 +01001435 case LOG_FMT_FRONTENDIP: // %fi
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001436 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001437 if (conn) {
1438 conn_get_to_addr(conn);
1439 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1440 }
1441 else
1442 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1443
William Lallemand1d705562012-03-12 12:46:41 +01001444 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001445 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001446 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001447 last_isspace = 0;
1448 break;
1449
Willy Tarreau2beef582012-12-20 17:22:52 +01001450 case LOG_FMT_FRONTENDPORT: // %fp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001451 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001452 if (conn) {
1453 conn_get_to_addr(conn);
1454 if (conn->addr.to.ss_family == AF_UNIX)
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001455 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001456 else
1457 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
William Lallemand5f232402012-04-05 18:02:55 +02001458 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001459 else
1460 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1461
William Lallemand5f232402012-04-05 18:02:55 +02001462 if (ret == NULL)
1463 goto out;
1464 tmplog = ret;
1465 last_isspace = 0;
1466 break;
1467
Willy Tarreau2beef582012-12-20 17:22:52 +01001468 case LOG_FMT_BACKENDIP: // %bi
Willy Tarreau350f4872014-11-28 14:42:25 +01001469 conn = objt_conn(s->si[1].end);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001470 if (conn)
1471 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1472 else
1473 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1474
William Lallemand1d705562012-03-12 12:46:41 +01001475 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01001476 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001477 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01001478 last_isspace = 0;
1479 break;
1480
Willy Tarreau2beef582012-12-20 17:22:52 +01001481 case LOG_FMT_BACKENDPORT: // %bp
Willy Tarreau350f4872014-11-28 14:42:25 +01001482 conn = objt_conn(s->si[1].end);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001483 if (conn)
1484 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1485 else
1486 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1487
William Lallemand5f232402012-04-05 18:02:55 +02001488 if (ret == NULL)
1489 goto out;
1490 tmplog = ret;
1491 last_isspace = 0;
1492 break;
1493
Willy Tarreau2beef582012-12-20 17:22:52 +01001494 case LOG_FMT_SERVERIP: // %si
Willy Tarreau350f4872014-11-28 14:42:25 +01001495 conn = objt_conn(s->si[1].end);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001496 if (conn)
1497 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1498 else
1499 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1500
William Lallemand5f232402012-04-05 18:02:55 +02001501 if (ret == NULL)
1502 goto out;
1503 tmplog = ret;
1504 last_isspace = 0;
1505 break;
1506
Willy Tarreau2beef582012-12-20 17:22:52 +01001507 case LOG_FMT_SERVERPORT: // %sp
Willy Tarreau350f4872014-11-28 14:42:25 +01001508 conn = objt_conn(s->si[1].end);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001509 if (conn)
1510 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1511 else
1512 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1513
William Lallemand1d705562012-03-12 12:46:41 +01001514 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01001515 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001516 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01001517 last_isspace = 0;
1518 break;
1519
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001520 case LOG_FMT_DATE: // %t = accept date
William Lallemandbddd4fd2012-02-27 11:23:10 +01001521 get_localtime(s->logs.accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02001522 ret = date2str_log(tmplog, &tm, &(s->logs.accept_date),
1523 dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001524 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001525 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001526 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001527 last_isspace = 0;
1528 break;
1529
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001530 case LOG_FMT_tr: // %tr = start of request date
1531 /* Note that the timers are valid if we get here */
1532 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1533 get_localtime(tv.tv_sec, &tm);
1534 ret = date2str_log(tmplog, &tm, &tv, dst + maxsize - tmplog);
1535 if (ret == NULL)
1536 goto out;
1537 tmplog = ret;
1538 last_isspace = 0;
1539 break;
1540
1541 case LOG_FMT_DATEGMT: // %T = accept date, GMT
William Lallemandbddd4fd2012-02-27 11:23:10 +01001542 get_gmtime(s->logs.accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02001543 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001544 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001545 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001546 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001547 last_isspace = 0;
1548 break;
1549
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001550 case LOG_FMT_trg: // %trg = start of request date, GMT
1551 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1552 get_gmtime(tv.tv_sec, &tm);
1553 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
1554 if (ret == NULL)
1555 goto out;
1556 tmplog = ret;
1557 last_isspace = 0;
1558 break;
1559
1560 case LOG_FMT_DATELOCAL: // %Tl = accept date, local
Yuxans Yao4e25b012012-10-19 10:36:09 +08001561 get_localtime(s->logs.accept_date.tv_sec, &tm);
Benoit GARNIERe2e5bde2016-03-27 03:04:16 +02001562 ret = localdate2str_log(tmplog, s->logs.accept_date.tv_sec, &tm, dst + maxsize - tmplog);
Yuxans Yao4e25b012012-10-19 10:36:09 +08001563 if (ret == NULL)
1564 goto out;
1565 tmplog = ret;
1566 last_isspace = 0;
1567 break;
1568
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001569 case LOG_FMT_trl: // %trl = start of request date, local
1570 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1571 get_localtime(tv.tv_sec, &tm);
1572 ret = localdate2str_log(tmplog, tv.tv_sec, &tm, dst + maxsize - tmplog);
1573 if (ret == NULL)
1574 goto out;
1575 tmplog = ret;
1576 last_isspace = 0;
1577 break;
1578
William Lallemand5f232402012-04-05 18:02:55 +02001579 case LOG_FMT_TS: // %Ts
1580 get_gmtime(s->logs.accept_date.tv_sec, &tm);
1581 if (tmp->options & LOG_OPT_HEXA) {
1582 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", (unsigned int)s->logs.accept_date.tv_sec);
1583 if (iret < 0 || iret > dst + maxsize - tmplog)
1584 goto out;
1585 last_isspace = 0;
1586 tmplog += iret;
1587 } else {
1588 ret = ltoa_o(s->logs.accept_date.tv_sec, tmplog, dst + maxsize - tmplog);
1589 if (ret == NULL)
1590 goto out;
1591 tmplog = ret;
1592 last_isspace = 0;
1593 }
1594 break;
1595
William Lallemand1d705562012-03-12 12:46:41 +01001596 case LOG_FMT_MS: // %ms
William Lallemand5f232402012-04-05 18:02:55 +02001597 if (tmp->options & LOG_OPT_HEXA) {
1598 iret = snprintf(tmplog, dst + maxsize - tmplog, "%02X",(unsigned int)s->logs.accept_date.tv_usec/1000);
1599 if (iret < 0 || iret > dst + maxsize - tmplog)
1600 goto out;
1601 last_isspace = 0;
1602 tmplog += iret;
1603 } else {
1604 if ((dst + maxsize - tmplog) < 4)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001605 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01001606 ret = utoa_pad((unsigned int)s->logs.accept_date.tv_usec/1000,
1607 tmplog, 4);
1608 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001609 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01001610 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001611 last_isspace = 0;
William Lallemand5f232402012-04-05 18:02:55 +02001612 }
1613 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001614
William Lallemand1d705562012-03-12 12:46:41 +01001615 case LOG_FMT_FRONTEND: // %f
William Lallemandbddd4fd2012-02-27 11:23:10 +01001616 src = fe->id;
William Lallemand5f232402012-04-05 18:02:55 +02001617 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001618 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001619 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001620 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001621 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001622 break;
1623
Willy Tarreau773d65f2012-10-12 14:56:11 +02001624 case LOG_FMT_FRONTEND_XPRT: // %ft
1625 src = fe->id;
1626 if (tmp->options & LOG_OPT_QUOTE)
1627 LOGCHAR('"');
1628 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
1629 if (iret == 0)
1630 goto out;
1631 tmplog += iret;
1632#ifdef USE_OPENSSL
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001633 if (sess->listener->xprt == &ssl_sock)
Willy Tarreau773d65f2012-10-12 14:56:11 +02001634 LOGCHAR('~');
1635#endif
1636 if (tmp->options & LOG_OPT_QUOTE)
1637 LOGCHAR('"');
1638 last_isspace = 0;
1639 break;
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001640#ifdef USE_OPENSSL
1641 case LOG_FMT_SSL_CIPHER: // %sslc
1642 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001643 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001644 if (conn) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001645 if (sess->listener->xprt == &ssl_sock)
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001646 src = ssl_sock_get_cipher_name(conn);
1647 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001648 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
1649 if (ret == NULL)
1650 goto out;
1651 tmplog = ret;
1652 last_isspace = 0;
1653 break;
Willy Tarreau773d65f2012-10-12 14:56:11 +02001654
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001655 case LOG_FMT_SSL_VERSION: // %sslv
1656 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001657 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001658 if (conn) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001659 if (sess->listener->xprt == &ssl_sock)
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001660 src = ssl_sock_get_proto_version(conn);
1661 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001662 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
1663 if (ret == NULL)
1664 goto out;
1665 tmplog = ret;
1666 last_isspace = 0;
1667 break;
1668#endif
William Lallemand1d705562012-03-12 12:46:41 +01001669 case LOG_FMT_BACKEND: // %b
William Lallemandbddd4fd2012-02-27 11:23:10 +01001670 src = be->id;
William Lallemand5f232402012-04-05 18:02:55 +02001671 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001672 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001673 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001674 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001675 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001676 break;
1677
William Lallemand1d705562012-03-12 12:46:41 +01001678 case LOG_FMT_SERVER: // %s
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001679 switch (obj_type(s->target)) {
1680 case OBJ_TYPE_SERVER:
1681 src = objt_server(s->target)->id;
1682 break;
1683 case OBJ_TYPE_APPLET:
1684 src = objt_applet(s->target)->name;
1685 break;
1686 default:
1687 src = "<NOSRV>";
1688 break;
1689 }
William Lallemand5f232402012-04-05 18:02:55 +02001690 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001691 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001692 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001693 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001694 last_isspace = 0;
1695 break;
1696
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001697 case LOG_FMT_Th: // %Th = handshake time
1698 ret = ltoa_o(s->logs.t_handshake, tmplog, dst + maxsize - tmplog);
1699 if (ret == NULL)
1700 goto out;
1701 tmplog = ret;
1702 last_isspace = 0;
1703 break;
1704
1705 case LOG_FMT_Ti: // %Ti = HTTP idle time
1706 ret = ltoa_o(s->logs.t_idle, tmplog, dst + maxsize - tmplog);
1707 if (ret == NULL)
1708 goto out;
1709 tmplog = ret;
1710 last_isspace = 0;
1711 break;
1712
1713 case LOG_FMT_TR: // %TR = HTTP request time
1714 ret = ltoa_o((t_request >= 0) ? t_request - s->logs.t_idle - s->logs.t_handshake : -1,
1715 tmplog, dst + maxsize - tmplog);
1716 if (ret == NULL)
1717 goto out;
1718 tmplog = ret;
1719 last_isspace = 0;
1720 break;
1721
1722 case LOG_FMT_TQ: // %Tq = Th + Ti + TR
William Lallemand5f232402012-04-05 18:02:55 +02001723 ret = ltoa_o(t_request, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001724 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001725 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001726 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001727 last_isspace = 0;
1728 break;
1729
William Lallemand1d705562012-03-12 12:46:41 +01001730 case LOG_FMT_TW: // %Tw
1731 ret = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001732 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001733 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001734 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001735 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001736 last_isspace = 0;
1737 break;
1738
William Lallemand1d705562012-03-12 12:46:41 +01001739 case LOG_FMT_TC: // %Tc
1740 ret = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001741 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001742 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001743 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001744 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001745 last_isspace = 0;
1746 break;
1747
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001748 case LOG_FMT_Tr: // %Tr
William Lallemand1d705562012-03-12 12:46:41 +01001749 ret = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001750 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001751 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001752 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001753 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001754 last_isspace = 0;
1755 break;
1756
Willy Tarreau27b639d2016-05-17 17:55:27 +02001757 case LOG_FMT_TD: // %Td
1758 if (s->be->mode == PR_MODE_HTTP)
1759 ret = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_close - s->logs.t_data : -1,
1760 tmplog, dst + maxsize - tmplog);
1761 else
1762 ret = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_close - s->logs.t_connect : -1,
1763 tmplog, dst + maxsize - tmplog);
1764 if (ret == NULL)
1765 goto out;
1766 tmplog = ret;
1767 last_isspace = 0;
1768 break;
1769
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001770 case LOG_FMT_Ta: // %Ta = active time = Tt - Th - Ti
1771 if (!(fe->to_log & LW_BYTES))
1772 LOGCHAR('+');
1773 ret = ltoa_o(s->logs.t_close - (s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0),
1774 tmplog, dst + maxsize - tmplog);
1775 if (ret == NULL)
1776 goto out;
1777 tmplog = ret;
1778 last_isspace = 0;
1779 break;
1780
1781 case LOG_FMT_TT: // %Tt = total time
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001782 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01001783 LOGCHAR('+');
William Lallemand5f232402012-04-05 18:02:55 +02001784 ret = ltoa_o(s->logs.t_close, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001785 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001786 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001787 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001788 last_isspace = 0;
1789 break;
1790
Willy Tarreau2beef582012-12-20 17:22:52 +01001791 case LOG_FMT_STATUS: // %ST
Willy Tarreau57bc8912016-04-25 17:09:40 +02001792 ret = ltoa_o(txn ? txn->status : 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001793 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001794 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001795 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001796 last_isspace = 0;
1797 break;
1798
William Lallemand1d705562012-03-12 12:46:41 +01001799 case LOG_FMT_BYTES: // %B
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001800 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01001801 LOGCHAR('+');
William Lallemand5f232402012-04-05 18:02:55 +02001802 ret = lltoa(s->logs.bytes_out, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001803 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001804 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001805 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001806 last_isspace = 0;
1807 break;
1808
Willy Tarreauc5259fd2012-12-20 15:38:04 +01001809 case LOG_FMT_BYTES_UP: // %U
Willy Tarreauc5259fd2012-12-20 15:38:04 +01001810 ret = lltoa(s->logs.bytes_in, tmplog, dst + maxsize - tmplog);
1811 if (ret == NULL)
1812 goto out;
1813 tmplog = ret;
1814 last_isspace = 0;
1815 break;
1816
Willy Tarreau2beef582012-12-20 17:22:52 +01001817 case LOG_FMT_CCLIENT: // %CC
Willy Tarreau57bc8912016-04-25 17:09:40 +02001818 src = txn ? txn->cli_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02001819 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001820 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001821 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001822 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001823 last_isspace = 0;
1824 break;
1825
Willy Tarreau2beef582012-12-20 17:22:52 +01001826 case LOG_FMT_CSERVER: // %CS
Willy Tarreau57bc8912016-04-25 17:09:40 +02001827 src = txn ? txn->srv_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02001828 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001829 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001830 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001831 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001832 last_isspace = 0;
1833 break;
1834
William Lallemand1d705562012-03-12 12:46:41 +01001835 case LOG_FMT_TERMSTATE: // %ts
Willy Tarreaue7dff022015-04-03 01:14:29 +02001836 LOGCHAR(sess_term_cond[(s->flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
1837 LOGCHAR(sess_fin_state[(s->flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau6580c062012-03-12 15:09:42 +01001838 *tmplog = '\0';
1839 last_isspace = 0;
1840 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001841
William Lallemand1d705562012-03-12 12:46:41 +01001842 case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
Willy Tarreaue7dff022015-04-03 01:14:29 +02001843 LOGCHAR(sess_term_cond[(s->flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
1844 LOGCHAR(sess_fin_state[(s->flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau57bc8912016-04-25 17:09:40 +02001845 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
1846 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_set_cookie[(txn->flags & TX_SCK_MASK) >> TX_SCK_SHIFT] : '-');
William Lallemandbddd4fd2012-02-27 11:23:10 +01001847 last_isspace = 0;
1848 break;
1849
William Lallemand1d705562012-03-12 12:46:41 +01001850 case LOG_FMT_ACTCONN: // %ac
William Lallemand5f232402012-04-05 18:02:55 +02001851 ret = ltoa_o(actconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001852 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001853 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001854 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001855 last_isspace = 0;
1856 break;
1857
William Lallemand1d705562012-03-12 12:46:41 +01001858 case LOG_FMT_FECONN: // %fc
William Lallemand5f232402012-04-05 18:02:55 +02001859 ret = ltoa_o(fe->feconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001860 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001861 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001862 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001863 last_isspace = 0;
1864 break;
1865
William Lallemand1d705562012-03-12 12:46:41 +01001866 case LOG_FMT_BECONN: // %bc
William Lallemand5f232402012-04-05 18:02:55 +02001867 ret = ltoa_o(be->beconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001868 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001869 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001870 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001871 last_isspace = 0;
1872 break;
1873
William Lallemand1d705562012-03-12 12:46:41 +01001874 case LOG_FMT_SRVCONN: // %sc
Willy Tarreau54a08d32012-11-12 01:14:56 +01001875 ret = ultoa_o(objt_server(s->target) ?
Willy Tarreau3fdb3662012-11-12 00:42:33 +01001876 objt_server(s->target)->cur_sess :
William Lallemand5f232402012-04-05 18:02:55 +02001877 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001878 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001879 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001880 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001881 last_isspace = 0;
1882 break;
1883
William Lallemand1d705562012-03-12 12:46:41 +01001884 case LOG_FMT_RETRIES: // %rq
Willy Tarreaue7dff022015-04-03 01:14:29 +02001885 if (s->flags & SF_REDISP)
William Lallemand1d705562012-03-12 12:46:41 +01001886 LOGCHAR('+');
Willy Tarreau350f4872014-11-28 14:42:25 +01001887 ret = ltoa_o((s->si[1].conn_retries>0) ?
1888 (be->conn_retries - s->si[1].conn_retries) :
William Lallemand5f232402012-04-05 18:02:55 +02001889 be->conn_retries, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001890 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001891 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001892 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001893 last_isspace = 0;
1894 break;
1895
William Lallemand1d705562012-03-12 12:46:41 +01001896 case LOG_FMT_SRVQUEUE: // %sq
William Lallemand5f232402012-04-05 18:02:55 +02001897 ret = ltoa_o(s->logs.srv_queue_size, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001898 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001899 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001900 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001901 last_isspace = 0;
1902 break;
1903
William Lallemand1d705562012-03-12 12:46:41 +01001904 case LOG_FMT_BCKQUEUE: // %bq
William Lallemand5f232402012-04-05 18:02:55 +02001905 ret = ltoa_o(s->logs.prx_queue_size, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001906 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001907 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001908 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001909 last_isspace = 0;
1910 break;
1911
William Lallemand1d705562012-03-12 12:46:41 +01001912 case LOG_FMT_HDRREQUEST: // %hr
William Lallemandbddd4fd2012-02-27 11:23:10 +01001913 /* request header */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001914 if (fe->nb_req_cap && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001915 if (tmp->options & LOG_OPT_QUOTE)
1916 LOGCHAR('"');
1917 LOGCHAR('{');
1918 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
1919 if (hdr)
1920 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001921 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001922 ret = lf_encode_string(tmplog, dst + maxsize,
1923 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001924 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02001925 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001926 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001927 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001928 }
1929 LOGCHAR('}');
William Lallemand51b5dca2012-03-26 17:52:55 +02001930 if (tmp->options & LOG_OPT_QUOTE)
1931 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01001932 last_isspace = 0;
1933 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001934 break;
1935
William Lallemand1d705562012-03-12 12:46:41 +01001936 case LOG_FMT_HDRREQUESTLIST: // %hrl
William Lallemandbddd4fd2012-02-27 11:23:10 +01001937 /* request header list */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001938 if (fe->nb_req_cap && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001939 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
1940 if (hdr > 0)
1941 LOGCHAR(' ');
1942 if (tmp->options & LOG_OPT_QUOTE)
1943 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001944 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001945 ret = lf_encode_string(tmplog, dst + maxsize,
1946 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001947 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02001948 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001949 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001950 } else if (!(tmp->options & LOG_OPT_QUOTE))
1951 LOGCHAR('-');
1952 if (tmp->options & LOG_OPT_QUOTE)
1953 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01001954 last_isspace = 0;
1955 }
1956 }
1957 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001958
William Lallemand1d705562012-03-12 12:46:41 +01001959
1960 case LOG_FMT_HDRRESPONS: // %hs
William Lallemandbddd4fd2012-02-27 11:23:10 +01001961 /* response header */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001962 if (fe->nb_rsp_cap && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001963 if (tmp->options & LOG_OPT_QUOTE)
1964 LOGCHAR('"');
1965 LOGCHAR('{');
1966 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
1967 if (hdr)
1968 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001969 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001970 ret = lf_encode_string(tmplog, dst + maxsize,
1971 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001972 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02001973 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001974 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001975 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001976 }
1977 LOGCHAR('}');
1978 last_isspace = 0;
1979 if (tmp->options & LOG_OPT_QUOTE)
1980 LOGCHAR('"');
1981 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001982 break;
1983
William Lallemand1d705562012-03-12 12:46:41 +01001984 case LOG_FMT_HDRRESPONSLIST: // %hsl
William Lallemandbddd4fd2012-02-27 11:23:10 +01001985 /* response header list */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001986 if (fe->nb_rsp_cap && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001987 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
1988 if (hdr > 0)
1989 LOGCHAR(' ');
1990 if (tmp->options & LOG_OPT_QUOTE)
1991 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001992 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001993 ret = lf_encode_string(tmplog, dst + maxsize,
1994 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001995 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02001996 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001997 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001998 } else if (!(tmp->options & LOG_OPT_QUOTE))
1999 LOGCHAR('-');
2000 if (tmp->options & LOG_OPT_QUOTE)
2001 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002002 last_isspace = 0;
2003 }
2004 }
2005 break;
2006
William Lallemand1d705562012-03-12 12:46:41 +01002007 case LOG_FMT_REQ: // %r
William Lallemandbddd4fd2012-02-27 11:23:10 +01002008 /* Request */
2009 if (tmp->options & LOG_OPT_QUOTE)
2010 LOGCHAR('"');
Willy Tarreau57bc8912016-04-25 17:09:40 +02002011 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Dragan Dosen835b9212016-02-12 13:23:03 +01002012 ret = lf_encode_string(tmplog, dst + maxsize,
2013 '#', url_encode_map, uri, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002014 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002015 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002016 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002017 if (tmp->options & LOG_OPT_QUOTE)
2018 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002019 last_isspace = 0;
2020 break;
William Lallemand5f232402012-04-05 18:02:55 +02002021
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002022 case LOG_FMT_HTTP_PATH: // %HP
Willy Tarreau57bc8912016-04-25 17:09:40 +02002023 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002024
Willy Tarreaub7636d12015-06-17 19:58:02 +02002025 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002026 LOGCHAR('"');
2027
2028 end = uri + strlen(uri);
2029 // look for the first whitespace character
2030 while (uri < end && !HTTP_IS_SPHT(*uri))
2031 uri++;
2032
2033 // keep advancing past multiple spaces
2034 while (uri < end && HTTP_IS_SPHT(*uri)) {
2035 uri++; nspaces++;
2036 }
2037
2038 // look for first space or question mark after url
2039 spc = uri;
2040 while (spc < end && *spc != '?' && !HTTP_IS_SPHT(*spc))
2041 spc++;
2042
Nenad Merdanovic54e439f2016-04-26 01:39:02 +02002043 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002044 chunk.str = "<BADREQ>";
2045 chunk.len = strlen("<BADREQ>");
2046 } else {
2047 chunk.str = uri;
2048 chunk.len = spc - uri;
2049 }
2050
Dragan Dosen835b9212016-02-12 13:23:03 +01002051 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002052 if (ret == NULL || *ret != '\0')
2053 goto out;
2054
2055 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002056 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002057 LOGCHAR('"');
2058
2059 last_isspace = 0;
2060 break;
2061
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002062 case LOG_FMT_HTTP_QUERY: // %HQ
2063 if (tmp->options & LOG_OPT_QUOTE)
2064 LOGCHAR('"');
2065
Willy Tarreau57bc8912016-04-25 17:09:40 +02002066 if (!txn || !txn->uri) {
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002067 chunk.str = "<BADREQ>";
2068 chunk.len = strlen("<BADREQ>");
2069 } else {
2070 uri = txn->uri;
2071 end = uri + strlen(uri);
2072 // look for the first question mark
2073 while (uri < end && *uri != '?')
2074 uri++;
2075
2076 qmark = uri;
2077 // look for first space or question mark after url
2078 while (uri < end && !HTTP_IS_SPHT(*uri))
2079 uri++;
2080
2081 chunk.str = qmark;
2082 chunk.len = uri - qmark;
2083 }
2084
Dragan Dosen835b9212016-02-12 13:23:03 +01002085 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002086 if (ret == NULL || *ret != '\0')
2087 goto out;
2088
2089 tmplog = ret;
2090 if (tmp->options & LOG_OPT_QUOTE)
2091 LOGCHAR('"');
2092
2093 last_isspace = 0;
2094 break;
2095
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002096 case LOG_FMT_HTTP_URI: // %HU
Willy Tarreau57bc8912016-04-25 17:09:40 +02002097 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002098
Willy Tarreaub7636d12015-06-17 19:58:02 +02002099 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002100 LOGCHAR('"');
2101
2102 end = uri + strlen(uri);
2103 // look for the first whitespace character
2104 while (uri < end && !HTTP_IS_SPHT(*uri))
2105 uri++;
2106
2107 // keep advancing past multiple spaces
2108 while (uri < end && HTTP_IS_SPHT(*uri)) {
2109 uri++; nspaces++;
2110 }
2111
2112 // look for first space after url
2113 spc = uri;
2114 while (spc < end && !HTTP_IS_SPHT(*spc))
2115 spc++;
2116
Willy Tarreau57bc8912016-04-25 17:09:40 +02002117 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002118 chunk.str = "<BADREQ>";
2119 chunk.len = strlen("<BADREQ>");
2120 } else {
2121 chunk.str = uri;
2122 chunk.len = spc - uri;
2123 }
2124
Dragan Dosen835b9212016-02-12 13:23:03 +01002125 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002126 if (ret == NULL || *ret != '\0')
2127 goto out;
2128
2129 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002130 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002131 LOGCHAR('"');
2132
2133 last_isspace = 0;
2134 break;
2135
2136 case LOG_FMT_HTTP_METHOD: // %HM
Willy Tarreau57bc8912016-04-25 17:09:40 +02002137 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002138 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002139 LOGCHAR('"');
2140
2141 end = uri + strlen(uri);
2142 // look for the first whitespace character
2143 spc = uri;
2144 while (spc < end && !HTTP_IS_SPHT(*spc))
2145 spc++;
2146
2147 if (spc == end) { // odd case, we have txn->uri, but we only got a verb
2148 chunk.str = "<BADREQ>";
2149 chunk.len = strlen("<BADREQ>");
2150 } else {
2151 chunk.str = uri;
2152 chunk.len = spc - uri;
2153 }
2154
Dragan Dosen835b9212016-02-12 13:23:03 +01002155 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002156 if (ret == NULL || *ret != '\0')
2157 goto out;
2158
2159 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002160 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002161 LOGCHAR('"');
2162
2163 last_isspace = 0;
2164 break;
2165
2166 case LOG_FMT_HTTP_VERSION: // %HV
Willy Tarreau57bc8912016-04-25 17:09:40 +02002167 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002168 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002169 LOGCHAR('"');
2170
2171 end = uri + strlen(uri);
2172 // look for the first whitespace character
2173 while (uri < end && !HTTP_IS_SPHT(*uri))
2174 uri++;
2175
2176 // keep advancing past multiple spaces
2177 while (uri < end && HTTP_IS_SPHT(*uri)) {
2178 uri++; nspaces++;
2179 }
2180
2181 // look for the next whitespace character
2182 while (uri < end && !HTTP_IS_SPHT(*uri))
2183 uri++;
2184
2185 // keep advancing past multiple spaces
2186 while (uri < end && HTTP_IS_SPHT(*uri))
2187 uri++;
2188
Willy Tarreau57bc8912016-04-25 17:09:40 +02002189 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002190 chunk.str = "<BADREQ>";
2191 chunk.len = strlen("<BADREQ>");
2192 } else if (uri == end) {
2193 chunk.str = "HTTP/0.9";
2194 chunk.len = strlen("HTTP/0.9");
2195 } else {
2196 chunk.str = uri;
2197 chunk.len = end - uri;
2198 }
2199
Dragan Dosen835b9212016-02-12 13:23:03 +01002200 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002201 if (ret == NULL || *ret != '\0')
2202 goto out;
2203
2204 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002205 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002206 LOGCHAR('"');
2207
2208 last_isspace = 0;
2209 break;
2210
William Lallemand5f232402012-04-05 18:02:55 +02002211 case LOG_FMT_COUNTER: // %rt
2212 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau1f0da242014-01-25 11:01:50 +01002213 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", s->uniq_id);
William Lallemand5f232402012-04-05 18:02:55 +02002214 if (iret < 0 || iret > dst + maxsize - tmplog)
2215 goto out;
2216 last_isspace = 0;
2217 tmplog += iret;
2218 } else {
Willy Tarreau1f0da242014-01-25 11:01:50 +01002219 ret = ltoa_o(s->uniq_id, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002220 if (ret == NULL)
2221 goto out;
2222 tmplog = ret;
2223 last_isspace = 0;
2224 }
2225 break;
2226
Willy Tarreau7346acb2014-08-28 15:03:15 +02002227 case LOG_FMT_LOGCNT: // %lc
2228 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002229 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", fe->log_count);
Willy Tarreau7346acb2014-08-28 15:03:15 +02002230 if (iret < 0 || iret > dst + maxsize - tmplog)
2231 goto out;
2232 last_isspace = 0;
2233 tmplog += iret;
2234 } else {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002235 ret = ultoa_o(fe->log_count, tmplog, dst + maxsize - tmplog);
Willy Tarreau7346acb2014-08-28 15:03:15 +02002236 if (ret == NULL)
2237 goto out;
2238 tmplog = ret;
2239 last_isspace = 0;
2240 }
2241 break;
2242
William Lallemand5f232402012-04-05 18:02:55 +02002243 case LOG_FMT_HOSTNAME: // %H
2244 src = hostname;
2245 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2246 if (ret == NULL)
2247 goto out;
2248 tmplog = ret;
2249 last_isspace = 0;
2250 break;
2251
2252 case LOG_FMT_PID: // %pid
2253 if (tmp->options & LOG_OPT_HEXA) {
2254 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", pid);
2255 if (iret < 0 || iret > dst + maxsize - tmplog)
2256 goto out;
2257 last_isspace = 0;
2258 tmplog += iret;
2259 } else {
2260 ret = ltoa_o(pid, tmplog, dst + maxsize - tmplog);
2261 if (ret == NULL)
2262 goto out;
2263 tmplog = ret;
2264 last_isspace = 0;
2265 }
2266 break;
William Lallemanda73203e2012-03-12 12:48:57 +01002267
2268 case LOG_FMT_UNIQUEID: // %ID
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002269 ret = NULL;
William Lallemanda73203e2012-03-12 12:48:57 +01002270 src = s->unique_id;
Thierry FOURNIER1be69102014-04-15 01:38:48 +02002271 ret = lf_text(tmplog, src, maxsize - (tmplog - dst), tmp);
William Lallemanda73203e2012-03-12 12:48:57 +01002272 if (ret == NULL)
2273 goto out;
2274 tmplog = ret;
2275 last_isspace = 0;
2276 break;
2277
William Lallemandbddd4fd2012-02-27 11:23:10 +01002278 }
2279 }
2280
2281out:
William Lallemand1d705562012-03-12 12:46:41 +01002282 /* *tmplog is a unused character */
2283 *tmplog = '\0';
Willy Tarreaudf974472012-12-28 02:44:01 +01002284 return tmplog - dst;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002285
Willy Tarreaubaaee002006-06-26 02:48:02 +02002286}
2287
William Lallemand1d705562012-03-12 12:46:41 +01002288/*
Willy Tarreau87b09662015-04-03 00:22:06 +02002289 * send a log for the stream when we have enough info about it.
William Lallemand1d705562012-03-12 12:46:41 +01002290 * Will not log if the frontend has no log defined.
2291 */
Willy Tarreau87b09662015-04-03 00:22:06 +02002292void strm_log(struct stream *s)
William Lallemand1d705562012-03-12 12:46:41 +01002293{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002294 struct session *sess = s->sess;
William Lallemand1d705562012-03-12 12:46:41 +01002295 int size, err, level;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002296 int sd_size = 0;
William Lallemand1d705562012-03-12 12:46:41 +01002297
2298 /* if we don't want to log normal traffic, return now */
Willy Tarreaue7dff022015-04-03 01:14:29 +02002299 err = (s->flags & SF_REDISP) ||
2300 ((s->flags & SF_ERR_MASK) > SF_ERR_LOCAL) ||
2301 (((s->flags & SF_ERR_MASK) == SF_ERR_NONE) &&
Willy Tarreau350f4872014-11-28 14:42:25 +01002302 (s->si[1].conn_retries != s->be->conn_retries)) ||
Willy Tarreaueee5b512015-04-03 23:46:31 +02002303 ((sess->fe->mode == PR_MODE_HTTP) && s->txn && s->txn->status >= 500);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002304
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002305 if (!err && (sess->fe->options2 & PR_O2_NOLOGNORM))
William Lallemand1d705562012-03-12 12:46:41 +01002306 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002307
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002308 if (LIST_ISEMPTY(&sess->fe->logsrvs))
William Lallemand1d705562012-03-12 12:46:41 +01002309 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002310
Willy Tarreauabcd5142013-06-11 17:18:02 +02002311 if (s->logs.level) { /* loglevel was overridden */
2312 if (s->logs.level == -1) {
2313 s->logs.logwait = 0; /* logs disabled */
2314 return;
2315 }
2316 level = s->logs.level - 1;
2317 }
2318 else {
2319 level = LOG_INFO;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002320 if (err && (sess->fe->options2 & PR_O2_LOGERRORS))
Willy Tarreauabcd5142013-06-11 17:18:02 +02002321 level = LOG_ERR;
2322 }
William Lallemand1d705562012-03-12 12:46:41 +01002323
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002324 /* if unique-id was not generated */
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002325 if (!s->unique_id && !LIST_ISEMPTY(&sess->fe->format_unique_id)) {
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002326 if ((s->unique_id = pool_alloc2(pool2_uniqueid)) != NULL)
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002327 build_logline(s, s->unique_id, UNIQUEID_LEN, &sess->fe->format_unique_id);
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002328 }
2329
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002330 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
2331 sd_size = build_logline(s, logline_rfc5424, global.max_syslog_len,
2332 &sess->fe->logformat_sd);
2333 }
2334
Dragan Dosen59cee972015-09-19 22:09:02 +02002335 size = build_logline(s, logline, global.max_syslog_len, &sess->fe->logformat);
William Lallemand1d705562012-03-12 12:46:41 +01002336 if (size > 0) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002337 sess->fe->log_count++;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002338 __send_log(sess->fe, level, logline, size + 1, logline_rfc5424, sd_size);
William Lallemand1d705562012-03-12 12:46:41 +01002339 s->logs.logwait = 0;
2340 }
2341}
William Lallemandbddd4fd2012-02-27 11:23:10 +01002342
Willy Tarreaubaaee002006-06-26 02:48:02 +02002343/*
2344 * Local variables:
2345 * c-indent-level: 8
2346 * c-basic-offset: 8
2347 * End:
2348 */