blob: 5f1f96e5182a10c647165e65e0151a2fd39d7105 [file] [log] [blame]
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 Tarreau4c7e4b72020-05-27 12:58:42 +020027#include <haproxy/api.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020028#include <haproxy/applet-t.h>
Emeric Brun12941c82020-07-07 14:19:42 +020029#include <haproxy/cfgparse.h>
Willy Tarreau83487a82020-06-04 20:19:54 +020030#include <haproxy/cli.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020031#include <haproxy/fd.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020032#include <haproxy/frontend.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020033#include <haproxy/global.h>
Willy Tarreaucd72d8c2020-06-02 19:11:26 +020034#include <haproxy/http.h>
Emeric Brun12941c82020-07-07 14:19:42 +020035#include <haproxy/listener.h>
Willy Tarreauaeed4a82020-06-04 22:01:04 +020036#include <haproxy/log.h>
Emeric Brun12941c82020-07-07 14:19:42 +020037#include <haproxy/proxy.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020038#include <haproxy/ring.h>
39#include <haproxy/sample.h>
40#include <haproxy/sink.h>
Willy Tarreau209108d2020-06-04 20:30:20 +020041#include <haproxy/ssl_sock.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020042#include <haproxy/stream.h>
Willy Tarreau5e539c92020-06-04 20:45:39 +020043#include <haproxy/stream_interface.h>
Willy Tarreau92b4f132020-06-01 11:05:15 +020044#include <haproxy/time.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020045#include <haproxy/tools.h>
Willy Tarreaud6788052020-05-27 15:59:00 +020046#include <haproxy/version.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020047
Emeric Brun45c457a2020-07-09 23:23:34 +020048/* global recv logs counter */
49int cum_log_messages;
Willy Tarreaubaaee002006-06-26 02:48:02 +020050
Emeric Brun12941c82020-07-07 14:19:42 +020051/* log forward proxy list */
52struct proxy *cfg_log_forward;
53
Emeric Brun54648852020-07-06 15:54:06 +020054struct log_fmt_st {
Dragan Dosen43885c72015-10-01 13:18:13 +020055 char *name;
Dragan Dosen43885c72015-10-01 13:18:13 +020056};
57
Emeric Brun54648852020-07-06 15:54:06 +020058static const struct log_fmt_st log_formats[LOG_FORMATS] = {
Dragan Dosen43885c72015-10-01 13:18:13 +020059 [LOG_FORMAT_RFC3164] = {
60 .name = "rfc3164",
Dragan Dosen43885c72015-10-01 13:18:13 +020061 },
62 [LOG_FORMAT_RFC5424] = {
63 .name = "rfc5424",
Emeric Brun54648852020-07-06 15:54:06 +020064 },
65 [LOG_FORMAT_PRIO] = {
66 .name = "priority",
Willy Tarreaue8746a02018-11-12 08:45:00 +010067 },
68 [LOG_FORMAT_SHORT] = {
69 .name = "short",
Emeric Brun54648852020-07-06 15:54:06 +020070 },
71 [LOG_FORMAT_TIMED] = {
72 .name = "timed",
73 },
74 [LOG_FORMAT_ISO] = {
75 .name = "iso",
Willy Tarreaue8746a02018-11-12 08:45:00 +010076 },
Willy Tarreauc1b06452018-11-12 11:57:56 +010077 [LOG_FORMAT_RAW] = {
78 .name = "raw",
Willy Tarreauc1b06452018-11-12 11:57:56 +010079 },
Dragan Dosen1322d092015-09-22 16:05:32 +020080};
81
Dragan Dosen835b9212016-02-12 13:23:03 +010082/*
83 * This map is used with all the FD_* macros to check whether a particular bit
Willy Tarreau1bfd6022019-06-07 11:10:07 +020084 * is set or not. Each bit represents an ACSII code. ha_bit_set() sets those
85 * bytes which should be escaped. When ha_bit_test() returns non-zero, it means
86 * that the byte should be escaped. Be careful to always pass bytes from 0 to
87 * 255 exclusively to the macros.
Dragan Dosen835b9212016-02-12 13:23:03 +010088 */
Willy Tarreau1bfd6022019-06-07 11:10:07 +020089long rfc5424_escape_map[(256/8) / sizeof(long)];
90long hdr_encode_map[(256/8) / sizeof(long)];
91long url_encode_map[(256/8) / sizeof(long)];
92long http_encode_map[(256/8) / sizeof(long)];
Dragan Dosen835b9212016-02-12 13:23:03 +010093
Dragan Dosen835b9212016-02-12 13:23:03 +010094
Willy Tarreaubaaee002006-06-26 02:48:02 +020095const char *log_facilities[NB_LOG_FACILITIES] = {
96 "kern", "user", "mail", "daemon",
97 "auth", "syslog", "lpr", "news",
98 "uucp", "cron", "auth2", "ftp",
99 "ntp", "audit", "alert", "cron2",
100 "local0", "local1", "local2", "local3",
101 "local4", "local5", "local6", "local7"
102};
103
Willy Tarreaubaaee002006-06-26 02:48:02 +0200104const char *log_levels[NB_LOG_LEVELS] = {
105 "emerg", "alert", "crit", "err",
106 "warning", "notice", "info", "debug"
107};
108
Willy Tarreau570f2212013-06-10 16:42:09 +0200109const 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 +0200110const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200111
William Lallemand723b73a2012-02-08 16:37:49 +0100112
113/* log_format */
114struct logformat_type {
115 char *name;
116 int type;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100117 int mode;
William Lallemand5e19a282012-04-02 16:22:10 +0200118 int lw; /* logwait bitsfield */
William Lallemandb7ff6a32012-03-02 14:35:21 +0100119 int (*config_callback)(struct logformat_node *node, struct proxy *curproxy);
Willy Tarreau2beef582012-12-20 17:22:52 +0100120 const char *replace_by; /* new option to use instead of old one */
William Lallemand723b73a2012-02-08 16:37:49 +0100121};
122
William Lallemandb7ff6a32012-03-02 14:35:21 +0100123int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
124
William Lallemand723b73a2012-02-08 16:37:49 +0100125/* log_format variable names */
126static const struct logformat_type logformat_keywords[] = {
William Lallemand5e19a282012-04-02 16:22:10 +0200127 { "o", LOG_FMT_GLOBAL, PR_MODE_TCP, 0, NULL }, /* global option */
Willy Tarreau2beef582012-12-20 17:22:52 +0100128
129 /* please keep these lines sorted ! */
130 { "B", LOG_FMT_BYTES, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from server to client */
131 { "CC", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL }, /* client cookie */
132 { "CS", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL }, /* server cookie */
133 { "H", LOG_FMT_HOSTNAME, PR_MODE_TCP, LW_INIT, NULL }, /* Hostname */
Tim Duesterhuscf6e0c82020-03-13 12:34:24 +0100134 { "ID", LOG_FMT_UNIQUEID, PR_MODE_TCP, LW_BYTES, NULL }, /* Unique ID */
Willy Tarreau4bf99632014-06-13 12:21:40 +0200135 { "ST", LOG_FMT_STATUS, PR_MODE_TCP, LW_RESP, NULL }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200136 { "T", LOG_FMT_DATEGMT, PR_MODE_TCP, LW_INIT, NULL }, /* date GMT */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200137 { "Ta", LOG_FMT_Ta, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time active (tr to end) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100138 { "Tc", LOG_FMT_TC, PR_MODE_TCP, LW_BYTES, NULL }, /* Tc */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200139 { "Th", LOG_FMT_Th, PR_MODE_TCP, LW_BYTES, NULL }, /* Time handshake */
140 { "Ti", LOG_FMT_Ti, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time idle */
141 { "Tl", LOG_FMT_DATELOCAL, PR_MODE_TCP, LW_INIT, NULL }, /* date local timezone */
142 { "Tq", LOG_FMT_TQ, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tq=Th+Ti+TR */
143 { "Tr", LOG_FMT_Tr, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tr */
144 { "TR", LOG_FMT_TR, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time to receive a valid request */
Willy Tarreau27b639d2016-05-17 17:55:27 +0200145 { "Td", LOG_FMT_TD, PR_MODE_TCP, LW_BYTES, NULL }, /* Td = Tt - (Tq + Tw + Tc + Tr) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100146 { "Ts", LOG_FMT_TS, PR_MODE_TCP, LW_INIT, NULL }, /* timestamp GMT */
William Lallemand5e19a282012-04-02 16:22:10 +0200147 { "Tt", LOG_FMT_TT, PR_MODE_TCP, LW_BYTES, NULL }, /* Tt */
Damien Claisse57c8eb92020-04-28 12:09:19 +0000148 { "Tu", LOG_FMT_TU, PR_MODE_TCP, LW_BYTES, NULL }, /* Tu = Tt -Ti */
Willy Tarreau2beef582012-12-20 17:22:52 +0100149 { "Tw", LOG_FMT_TW, PR_MODE_TCP, LW_BYTES, NULL }, /* Tw */
150 { "U", LOG_FMT_BYTES_UP, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from client to server */
William Lallemand5e19a282012-04-02 16:22:10 +0200151 { "ac", LOG_FMT_ACTCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* actconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100152 { "b", LOG_FMT_BACKEND, PR_MODE_TCP, LW_INIT, NULL }, /* backend */
William Lallemand5e19a282012-04-02 16:22:10 +0200153 { "bc", LOG_FMT_BECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* beconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100154 { "bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source ip */
155 { "bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source port */
William Lallemand5e19a282012-04-02 16:22:10 +0200156 { "bq", LOG_FMT_BCKQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* backend_queue */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200157 { "ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client ip */
158 { "cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100159 { "f", LOG_FMT_FRONTEND, PR_MODE_TCP, LW_INIT, NULL }, /* frontend */
160 { "fc", LOG_FMT_FECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* feconn */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200161 { "fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend ip */
162 { "fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100163 { "ft", LOG_FMT_FRONTEND_XPRT, PR_MODE_TCP, LW_INIT, NULL }, /* frontend with transport mode */
Willy Tarreaud9ed3d22014-06-13 12:23:06 +0200164 { "hr", LOG_FMT_HDRREQUEST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request */
165 { "hrl", LOG_FMT_HDRREQUESTLIST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request list */
166 { "hs", LOG_FMT_HDRRESPONS, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response */
167 { "hsl", LOG_FMT_HDRRESPONSLIST, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response list */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000168 { "HM", LOG_FMT_HTTP_METHOD, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP method */
169 { "HP", LOG_FMT_HTTP_PATH, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP path */
Andrew Hayworthe63ac872015-07-31 16:14:16 +0000170 { "HQ", LOG_FMT_HTTP_QUERY, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP query */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000171 { "HU", LOG_FMT_HTTP_URI, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP full URI */
172 { "HV", LOG_FMT_HTTP_VERSION, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP version */
Willy Tarreau7346acb2014-08-28 15:03:15 +0200173 { "lc", LOG_FMT_LOGCNT, PR_MODE_TCP, LW_INIT, NULL }, /* log counter */
Willy Tarreau2beef582012-12-20 17:22:52 +0100174 { "ms", LOG_FMT_MS, PR_MODE_TCP, LW_INIT, NULL }, /* accept date millisecond */
William Lallemand5e19a282012-04-02 16:22:10 +0200175 { "pid", LOG_FMT_PID, PR_MODE_TCP, LW_INIT, NULL }, /* log pid */
Willy Tarreau2beef582012-12-20 17:22:52 +0100176 { "r", LOG_FMT_REQ, PR_MODE_HTTP, LW_REQ, NULL }, /* request */
177 { "rc", LOG_FMT_RETRIES, PR_MODE_TCP, LW_BYTES, NULL }, /* retries */
Willy Tarreau1f0da242014-01-25 11:01:50 +0100178 { "rt", LOG_FMT_COUNTER, PR_MODE_TCP, LW_REQ, NULL }, /* request counter (HTTP or TCP session) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100179 { "s", LOG_FMT_SERVER, PR_MODE_TCP, LW_SVID, NULL }, /* server */
180 { "sc", LOG_FMT_SRVCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_conn */
181 { "si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination ip */
182 { "sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination port */
183 { "sq", LOG_FMT_SRVQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_queue */
Willy Tarreauffc3fcd2012-10-12 20:17:54 +0200184 { "sslc", LOG_FMT_SSL_CIPHER, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL ciphers */
185 { "sslv", LOG_FMT_SSL_VERSION, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL protocol version */
Willy Tarreau2beef582012-12-20 17:22:52 +0100186 { "t", LOG_FMT_DATE, PR_MODE_TCP, LW_INIT, NULL }, /* date */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200187 { "tr", LOG_FMT_tr, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request */
188 { "trg",LOG_FMT_trg, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, GMT */
189 { "trl",LOG_FMT_trl, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, local */
Willy Tarreau2beef582012-12-20 17:22:52 +0100190 { "ts", LOG_FMT_TERMSTATE, PR_MODE_TCP, LW_BYTES, NULL },/* termination state */
191 { "tsc", LOG_FMT_TERMSTATE_CK, PR_MODE_TCP, LW_INIT, NULL },/* termination state */
192
193 /* The following tags are deprecated and will be removed soon */
194 { "Bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bi" }, /* backend source ip */
195 { "Bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bp" }, /* backend source port */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200196 { "Ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "ci" }, /* client ip */
197 { "Cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "cp" }, /* client port */
198 { "Fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fi" }, /* frontend ip */
199 { "Fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fp" }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100200 { "Si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL, "si" }, /* server destination ip */
201 { "Sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL, "sp" }, /* server destination port */
202 { "cc", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL, "CC" }, /* client cookie */
203 { "cs", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL, "CS" }, /* server cookie */
204 { "st", LOG_FMT_STATUS, PR_MODE_HTTP, LW_RESP, NULL, "ST" }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200205 { 0, 0, 0, 0, NULL }
William Lallemand723b73a2012-02-08 16:37:49 +0100206};
207
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200208char 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
209char 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 +0100210char 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 +0100211char *log_format = NULL;
212
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200213/* Default string used for structured-data part in RFC5424 formatted
214 * syslog messages.
215 */
216char default_rfc5424_sd_log_format[] = "- ";
Dragan Dosen1322d092015-09-22 16:05:32 +0200217
Willy Tarreau13ef7732018-11-12 07:25:28 +0100218/* total number of dropped logs */
219unsigned int dropped_logs = 0;
220
Dragan Dosen59cee972015-09-19 22:09:02 +0200221/* This is a global syslog message buffer, common to all outgoing
222 * messages. It contains only the data part.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100223 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200224THREAD_LOCAL char *logline = NULL;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100225
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200226/* A global syslog message buffer, common to all RFC5424 syslog messages.
227 * Currently, it is used for generating the structured-data part.
228 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200229THREAD_LOCAL char *logline_rfc5424 = NULL;
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200230
Christopher Fauletd4696382017-10-24 11:44:05 +0200231/* A global buffer used to store all startup alerts/warnings. It will then be
232 * retrieve on the CLI. */
Willy Tarreau869efd52019-11-15 15:16:57 +0100233static struct ring *startup_logs = NULL;
Christopher Fauletd4696382017-10-24 11:44:05 +0200234
William Lallemand723b73a2012-02-08 16:37:49 +0100235struct logformat_var_args {
236 char *name;
237 int mask;
238};
239
240struct logformat_var_args var_args_list[] = {
241// global
242 { "M", LOG_OPT_MANDATORY },
243 { "Q", LOG_OPT_QUOTE },
William Lallemand5f232402012-04-05 18:02:55 +0200244 { "X", LOG_OPT_HEXA },
Dragan Dosen835b9212016-02-12 13:23:03 +0100245 { "E", LOG_OPT_ESC },
William Lallemand723b73a2012-02-08 16:37:49 +0100246 { 0, 0 }
247};
248
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200249/* return the name of the directive used in the current proxy for which we're
250 * currently parsing a header, when it is known.
251 */
252static inline const char *fmt_directive(const struct proxy *curproxy)
253{
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100254 switch (curproxy->conf.args.ctx) {
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200255 case ARGC_ACL:
256 return "acl";
257 case ARGC_STK:
258 return "stick";
259 case ARGC_TRK:
260 return "track-sc";
261 case ARGC_LOG:
262 return "log-format";
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200263 case ARGC_LOGSD:
264 return "log-format-sd";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100265 case ARGC_HRQ:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100266 return "http-request";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100267 case ARGC_HRS:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100268 return "http-response";
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200269 case ARGC_UIF:
270 return "unique-id-format";
Thierry FOURNIERd18cd0f2013-11-29 12:15:45 +0100271 case ARGC_RDR:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200272 return "redirect";
273 case ARGC_CAP:
274 return "capture";
Willy Tarreau28d976d2015-07-09 11:39:33 +0200275 case ARGC_SRV:
276 return "server";
Christopher Fauletf7e4e7e2016-10-27 22:29:49 +0200277 case ARGC_SPOE:
278 return "spoe-message";
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +0100279 case ARGC_UBK:
280 return "use_backend";
Christopher Faulet3b967c12020-05-15 15:47:44 +0200281 case ARGC_HERR:
282 return "http-error";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100283 default:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200284 return "undefined(please report this bug)"; /* must never happen */
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100285 }
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200286}
287
William Lallemand723b73a2012-02-08 16:37:49 +0100288/*
William Lallemandb7ff6a32012-03-02 14:35:21 +0100289 * callback used to configure addr source retrieval
290 */
291int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy)
292{
293 curproxy->options2 |= PR_O2_SRC_ADDR;
294
295 return 0;
296}
297
298
299/*
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100300 * Parse args in a logformat_var. Returns 0 in error
301 * case, otherwise, it returns 1.
William Lallemand723b73a2012-02-08 16:37:49 +0100302 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100303int parse_logformat_var_args(char *args, struct logformat_node *node, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100304{
305 int i = 0;
306 int end = 0;
307 int flags = 0; // 1 = + 2 = -
308 char *sp = NULL; // start pointer
309
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100310 if (args == NULL) {
311 memprintf(err, "internal error: parse_logformat_var_args() expects non null 'args'");
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100312 return 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100313 }
William Lallemand723b73a2012-02-08 16:37:49 +0100314
315 while (1) {
316 if (*args == '\0')
317 end = 1;
318
319 if (*args == '+') {
320 // add flag
321 sp = args + 1;
322 flags = 1;
323 }
324 if (*args == '-') {
325 // delete flag
326 sp = args + 1;
327 flags = 2;
328 }
329
330 if (*args == '\0' || *args == ',') {
331 *args = '\0';
Willy Tarreau254d44c2012-12-20 18:19:26 +0100332 for (i = 0; sp && var_args_list[i].name; i++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100333 if (strcmp(sp, var_args_list[i].name) == 0) {
334 if (flags == 1) {
335 node->options |= var_args_list[i].mask;
336 break;
337 } else if (flags == 2) {
338 node->options &= ~var_args_list[i].mask;
339 break;
340 }
341 }
342 }
343 sp = NULL;
344 if (end)
345 break;
346 }
Willy Tarreau254d44c2012-12-20 18:19:26 +0100347 args++;
William Lallemand723b73a2012-02-08 16:37:49 +0100348 }
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100349 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100350}
351
352/*
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100353 * Parse a variable '%varname' or '%{args}varname' in log-format. The caller
354 * must pass the args part in the <arg> pointer with its length in <arg_len>,
355 * and varname with its length in <var> and <var_len> respectively. <arg> is
356 * ignored when arg_len is 0. Neither <var> nor <var_len> may be null.
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100357 * Returns false in error case and err is filled, otherwise returns true.
William Lallemand723b73a2012-02-08 16:37:49 +0100358 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100359int 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 +0100360{
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100361 int j;
Dragan Dosen61302da2019-04-30 00:40:02 +0200362 struct logformat_node *node = NULL;
William Lallemand723b73a2012-02-08 16:37:49 +0100363
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100364 for (j = 0; logformat_keywords[j].name; j++) { // search a log type
365 if (strlen(logformat_keywords[j].name) == var_len &&
366 strncmp(var, logformat_keywords[j].name, var_len) == 0) {
367 if (logformat_keywords[j].mode != PR_MODE_HTTP || curproxy->mode == PR_MODE_HTTP) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200368 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100369 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100370 memprintf(err, "out of memory error");
Dragan Dosen61302da2019-04-30 00:40:02 +0200371 goto error_free;
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100372 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100373 node->type = logformat_keywords[j].type;
374 node->options = *defoptions;
375 if (arg_len) {
376 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100377 if (!parse_logformat_var_args(node->arg, node, err))
Dragan Dosen61302da2019-04-30 00:40:02 +0200378 goto error_free;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100379 }
380 if (node->type == LOG_FMT_GLOBAL) {
381 *defoptions = node->options;
382 free(node->arg);
383 free(node);
384 } else {
385 if (logformat_keywords[j].config_callback &&
386 logformat_keywords[j].config_callback(node, curproxy) != 0) {
Dragan Dosen61302da2019-04-30 00:40:02 +0200387 goto error_free;
William Lallemand723b73a2012-02-08 16:37:49 +0100388 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100389 curproxy->to_log |= logformat_keywords[j].lw;
390 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100391 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100392 if (logformat_keywords[j].replace_by)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100393 ha_warning("parsing [%s:%d] : deprecated variable '%s' in '%s', please replace it with '%s'.\n",
394 curproxy->conf.args.file, curproxy->conf.args.line,
395 logformat_keywords[j].name, fmt_directive(curproxy), logformat_keywords[j].replace_by);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100396 return 1;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100397 } else {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100398 memprintf(err, "format variable '%s' is reserved for HTTP mode",
399 logformat_keywords[j].name);
Dragan Dosen61302da2019-04-30 00:40:02 +0200400 goto error_free;
William Lallemand723b73a2012-02-08 16:37:49 +0100401 }
William Lallemand723b73a2012-02-08 16:37:49 +0100402 }
403 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100404
405 j = var[var_len];
406 var[var_len] = 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100407 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 +0100408 var[var_len] = j;
Dragan Dosen61302da2019-04-30 00:40:02 +0200409
410 error_free:
411 if (node) {
412 free(node->arg);
413 free(node);
414 }
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100415 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100416}
417
418/*
419 * push to the logformat linked list
420 *
421 * start: start pointer
422 * end: end text pointer
423 * type: string type
William Lallemand1d705562012-03-12 12:46:41 +0100424 * list_format: destination list
William Lallemand723b73a2012-02-08 16:37:49 +0100425 *
426 * LOG_TEXT: copy chars from start to end excluding end.
427 *
428*/
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100429int add_to_logformat_list(char *start, char *end, int type, struct list *list_format, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100430{
431 char *str;
432
Willy Tarreaua3571662012-12-20 21:59:12 +0100433 if (type == LF_TEXT) { /* type text */
Vincent Bernat02779b62016-04-03 13:48:43 +0200434 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100435 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100436 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100437 return 0;
438 }
Vincent Bernat02779b62016-04-03 13:48:43 +0200439 str = calloc(1, end - start + 1);
William Lallemand723b73a2012-02-08 16:37:49 +0100440 strncpy(str, start, end - start);
William Lallemand723b73a2012-02-08 16:37:49 +0100441 str[end - start] = '\0';
442 node->arg = str;
William Lallemand1d705562012-03-12 12:46:41 +0100443 node->type = LOG_FMT_TEXT; // type string
444 LIST_ADDQ(list_format, &node->list);
Willy Tarreaua3571662012-12-20 21:59:12 +0100445 } else if (type == LF_SEPARATOR) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200446 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100447 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100448 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100449 return 0;
450 }
William Lallemand1d705562012-03-12 12:46:41 +0100451 node->type = LOG_FMT_SEPARATOR;
452 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100453 }
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100454 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100455}
456
457/*
Willy Tarreauc8368452012-12-21 00:09:23 +0100458 * Parse the sample fetch expression <text> and add a node to <list_format> upon
459 * success. At the moment, sample converters are not yet supported but fetch arguments
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100460 * should work. The curpx->conf.args.ctx must be set by the caller. If an end pointer
461 * is passed in <endptr>, it will be updated with the pointer to the first character
462 * not part of the sample expression.
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100463 *
464 * In error case, the function returns 0, otherwise it returns 1.
Willy Tarreauc8368452012-12-21 00:09:23 +0100465 */
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100466int 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, char **endptr)
Willy Tarreauc8368452012-12-21 00:09:23 +0100467{
468 char *cmd[2];
Dragan Dosen61302da2019-04-30 00:40:02 +0200469 struct sample_expr *expr = NULL;
470 struct logformat_node *node = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +0100471 int cmd_arg;
472
473 cmd[0] = text;
474 cmd[1] = "";
475 cmd_arg = 0;
476
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100477 expr = sample_parse_expr(cmd, &cmd_arg, curpx->conf.args.file, curpx->conf.args.line, err, &curpx->conf.args, endptr);
Willy Tarreauc8368452012-12-21 00:09:23 +0100478 if (!expr) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100479 memprintf(err, "failed to parse sample expression <%s> : %s", text, *err);
Dragan Dosen61302da2019-04-30 00:40:02 +0200480 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100481 }
482
Vincent Bernat02779b62016-04-03 13:48:43 +0200483 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100484 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100485 memprintf(err, "out of memory error");
Dragan Dosen61302da2019-04-30 00:40:02 +0200486 goto error_free;
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100487 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100488 node->type = LOG_FMT_EXPR;
489 node->expr = expr;
490 node->options = options;
491
492 if (arg_len) {
493 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100494 if (!parse_logformat_var_args(node->arg, node, err))
Dragan Dosen61302da2019-04-30 00:40:02 +0200495 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100496 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100497 if (expr->fetch->val & cap & SMP_VAL_REQUEST)
Willy Tarreauc8368452012-12-21 00:09:23 +0100498 node->options |= LOG_OPT_REQ_CAP; /* fetch method is request-compatible */
499
Willy Tarreau434c57c2013-01-08 01:10:24 +0100500 if (expr->fetch->val & cap & SMP_VAL_RESPONSE)
Willy Tarreauc8368452012-12-21 00:09:23 +0100501 node->options |= LOG_OPT_RES_CAP; /* fetch method is response-compatible */
502
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100503 if (!(expr->fetch->val & cap)) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100504 memprintf(err, "sample fetch <%s> may not be reliably used here because it needs '%s' which is not available here",
505 text, sample_src_names(expr->fetch->use));
Dragan Dosen61302da2019-04-30 00:40:02 +0200506 goto error_free;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100507 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100508
Christopher Faulet711ed6a2019-07-16 14:16:10 +0200509 /* check if we need to allocate an http_txn struct for HTTP parsing */
Willy Tarreauc8368452012-12-21 00:09:23 +0100510 /* Note, we may also need to set curpx->to_log with certain fetches */
Willy Tarreau25320b22013-03-24 07:22:08 +0100511 curpx->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);
Willy Tarreauc8368452012-12-21 00:09:23 +0100512
William Lallemand65ad6e12014-01-31 15:08:02 +0100513 /* FIXME: temporary workaround for missing LW_XPRT and LW_REQ flags
514 * needed with some sample fetches (eg: ssl*). We always set it for
515 * now on, but this will leave with sample capabilities soon.
Willy Tarreau1f31c732013-01-10 16:22:27 +0100516 */
517 curpx->to_log |= LW_XPRT;
Christopher Fauletd2236cd2020-04-06 18:29:14 +0200518 if (curpx->http_needed)
519 curpx->to_log |= LW_REQ;
Willy Tarreauc8368452012-12-21 00:09:23 +0100520 LIST_ADDQ(list_format, &node->list);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100521 return 1;
Dragan Dosen61302da2019-04-30 00:40:02 +0200522
523 error_free:
524 release_sample_expr(expr);
525 if (node) {
526 free(node->arg);
527 free(node);
528 }
529 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100530}
531
532/*
William Lallemand723b73a2012-02-08 16:37:49 +0100533 * Parse the log_format string and fill a linked list.
534 * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200535 * You can set arguments using { } : %{many arguments}varname.
536 * The curproxy->conf.args.ctx must be set by the caller.
William Lallemand1d705562012-03-12 12:46:41 +0100537 *
Ilya Shipitsinae40dbc2020-04-04 12:59:53 +0500538 * fmt: the string to parse
William Lallemand1d705562012-03-12 12:46:41 +0100539 * curproxy: the proxy affected
540 * list_format: the destination list
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100541 * options: LOG_OPT_* to force on every node
Willy Tarreau434c57c2013-01-08 01:10:24 +0100542 * cap: all SMP_VAL_* flags supported by the consumer
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100543 *
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100544 * The function returns 1 in success case, otherwise, it returns 0 and err is filled.
William Lallemand723b73a2012-02-08 16:37:49 +0100545 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100546int 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 +0100547{
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100548 char *sp, *str, *backfmt; /* start pointer for text parts */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100549 char *arg = NULL; /* start pointer for args */
550 char *var = NULL; /* start pointer for vars */
551 int arg_len = 0;
552 int var_len = 0;
553 int cformat; /* current token format */
554 int pformat; /* previous token format */
William Lallemand723b73a2012-02-08 16:37:49 +0100555 struct logformat_node *tmplf, *back;
556
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100557 sp = str = backfmt = strdup(fmt);
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100558 if (!str) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100559 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100560 return 0;
561 }
William Lallemand1dc00ef2012-08-09 16:41:35 +0200562 curproxy->to_log |= LW_INIT;
William Lallemand5e19a282012-04-02 16:22:10 +0200563
William Lallemand723b73a2012-02-08 16:37:49 +0100564 /* flush the list first. */
William Lallemand1d705562012-03-12 12:46:41 +0100565 list_for_each_entry_safe(tmplf, back, list_format, list) {
William Lallemand723b73a2012-02-08 16:37:49 +0100566 LIST_DEL(&tmplf->list);
Dragan Dosen61302da2019-04-30 00:40:02 +0200567 release_sample_expr(tmplf->expr);
568 free(tmplf->arg);
William Lallemand723b73a2012-02-08 16:37:49 +0100569 free(tmplf);
570 }
571
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100572 for (cformat = LF_INIT; cformat != LF_END; str++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100573 pformat = cformat;
574
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100575 if (!*str)
576 cformat = LF_END; // preset it to save all states from doing this
William Lallemand723b73a2012-02-08 16:37:49 +0100577
Joseph Herlant85b40592018-11-15 12:10:04 -0800578 /* The principle of the two-step state machine below is to first detect a change, and
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100579 * second have all common paths processed at one place. The common paths are the ones
580 * encountered in text areas (LF_INIT, LF_TEXT, LF_SEPARATOR) and at the end (LF_END).
581 * We use the common LF_INIT state to dispatch to the different final states.
582 */
583 switch (pformat) {
584 case LF_STARTVAR: // text immediately following a '%'
Willy Tarreauc8368452012-12-21 00:09:23 +0100585 arg = NULL; var = NULL;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100586 arg_len = var_len = 0;
587 if (*str == '{') { // optional argument
588 cformat = LF_STARG;
589 arg = str + 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100590 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100591 else if (*str == '[') {
592 cformat = LF_STEXPR;
593 var = str + 1; // store expr in variable name
594 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100595 else if (isalpha((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100596 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100597 var = str;
William Lallemand723b73a2012-02-08 16:37:49 +0100598 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100599 else if (*str == '%')
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500600 cformat = LF_TEXT; // convert this character to a literal (useful for '%')
Willy Tarreau0f28f822013-12-16 01:38:33 +0100601 else if (isdigit((unsigned char)*str) || *str == ' ' || *str == '\t') {
Willy Tarreau06d97f92013-12-02 17:45:48 +0100602 /* single '%' followed by blank or digit, send them both */
603 cformat = LF_TEXT;
604 pformat = LF_TEXT; /* finally we include the previous char as well */
605 sp = str - 1; /* send both the '%' and the current char */
Jim Freemana2278c82017-04-15 08:01:59 -0600606 memprintf(err, "unexpected variable name near '%c' at position %d line : '%s'. Maybe you want to write a single '%%', use the syntax '%%%%'",
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100607 *str, (int)(str - backfmt), fmt);
Willy Tarreau51013e82019-12-11 12:05:39 +0100608 goto fail;
Willy Tarreau06d97f92013-12-02 17:45:48 +0100609
610 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100611 else
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500612 cformat = LF_INIT; // handle other cases of literals
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100613 break;
614
615 case LF_STARG: // text immediately following '%{'
616 if (*str == '}') { // end of arg
William Lallemand723b73a2012-02-08 16:37:49 +0100617 cformat = LF_EDARG;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100618 arg_len = str - arg;
619 *str = 0; // used for reporting errors
William Lallemand723b73a2012-02-08 16:37:49 +0100620 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100621 break;
622
623 case LF_EDARG: // text immediately following '%{arg}'
Willy Tarreauc8368452012-12-21 00:09:23 +0100624 if (*str == '[') {
625 cformat = LF_STEXPR;
626 var = str + 1; // store expr in variable name
627 break;
628 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100629 else if (isalnum((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100630 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100631 var = str;
632 break;
633 }
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100634 memprintf(err, "parse argument modifier without variable name near '%%{%s}'", arg);
Willy Tarreau51013e82019-12-11 12:05:39 +0100635 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100636
Willy Tarreauc8368452012-12-21 00:09:23 +0100637 case LF_STEXPR: // text immediately following '%['
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100638 /* the whole sample expression is parsed at once,
639 * returning the pointer to the first character not
640 * part of the expression, which MUST be the trailing
641 * angle bracket.
642 */
643 if (!add_sample_to_logformat_list(var, arg, arg_len, curproxy, list_format, options, cap, err, &str))
644 goto fail;
645
646 if (*str == ']') {
647 // end of arg, go on with next state
648 cformat = pformat = LF_EDEXPR;
649 sp = str;
650 }
651 else {
652 char c = *str;
653 *str = 0;
Willy Tarreau90807112020-02-25 08:16:33 +0100654 if (isprint((unsigned char)c))
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100655 memprintf(err, "expected ']' after '%s', but found '%c'", var, c);
656 else
657 memprintf(err, "missing ']' after '%s'", var);
Dragan Dosen2866acf2020-06-30 21:16:43 +0200658 goto fail;
Willy Tarreauc8368452012-12-21 00:09:23 +0100659 }
660 break;
661
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100662 case LF_VAR: // text part of a variable name
663 var_len = str - var;
Willy Tarreau0f28f822013-12-16 01:38:33 +0100664 if (!isalnum((unsigned char)*str))
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100665 cformat = LF_INIT; // not variable name anymore
666 break;
667
Willy Tarreauc8368452012-12-21 00:09:23 +0100668 default: // LF_INIT, LF_TEXT, LF_SEPARATOR, LF_END, LF_EDEXPR
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100669 cformat = LF_INIT;
670 }
671
672 if (cformat == LF_INIT) { /* resynchronize state to text/sep/startvar */
673 switch (*str) {
674 case '%': cformat = LF_STARTVAR; break;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100675 case 0 : cformat = LF_END; break;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +0200676 case ' ':
677 if (options & LOG_OPT_MERGE_SPACES) {
678 cformat = LF_SEPARATOR;
679 break;
680 }
681 /* fall through */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100682 default : cformat = LF_TEXT; break;
William Lallemand723b73a2012-02-08 16:37:49 +0100683 }
684 }
685
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100686 if (cformat != pformat || pformat == LF_SEPARATOR) {
687 switch (pformat) {
688 case LF_VAR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100689 if (!parse_logformat_var(arg, arg_len, var, var_len, curproxy, list_format, &options, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100690 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100691 break;
692 case LF_TEXT:
693 case LF_SEPARATOR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100694 if (!add_to_logformat_list(sp, str, pformat, list_format, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100695 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100696 break;
697 }
698 sp = str; /* new start of text at every state switch and at every separator */
William Lallemand723b73a2012-02-08 16:37:49 +0100699 }
700 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100701
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100702 if (pformat == LF_STARTVAR || pformat == LF_STARG || pformat == LF_STEXPR) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100703 memprintf(err, "truncated line after '%s'", var ? var : arg ? arg : "%");
Willy Tarreau51013e82019-12-11 12:05:39 +0100704 goto fail;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100705 }
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100706 free(backfmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100707
708 return 1;
Willy Tarreau51013e82019-12-11 12:05:39 +0100709 fail:
710 free(backfmt);
711 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100712}
713
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200714/*
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500715 * Parse the first range of indexes from a string made of a list of comma separated
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200716 * ranges of indexes. Note that an index may be considered as a particular range
717 * with a high limit to the low limit.
718 */
719int get_logsrv_smp_range(unsigned int *low, unsigned int *high, char **arg, char **err)
720{
721 char *end, *p;
722
723 *low = *high = 0;
724
725 p = *arg;
726 end = strchr(p, ',');
727 if (!end)
728 end = p + strlen(p);
729
730 *high = *low = read_uint((const char **)&p, end);
731 if (!*low || (p != end && *p != '-'))
732 goto err;
733
734 if (p == end)
735 goto done;
736
737 p++;
738 *high = read_uint((const char **)&p, end);
739 if (!*high || *high <= *low || p != end)
740 goto err;
741
742 done:
743 if (*end == ',')
744 end++;
745 *arg = end;
746 return 1;
747
748 err:
749 memprintf(err, "wrong sample range '%s'", *arg);
750 return 0;
751}
752
753/*
754 * Returns 1 if the range defined by <low> and <high> overlaps
755 * one of them in <rgs> array of ranges with <sz> the size of this
756 * array, 0 if not.
757 */
758int smp_log_ranges_overlap(struct smp_log_range *rgs, size_t sz,
759 unsigned int low, unsigned int high, char **err)
760{
761 size_t i;
762
763 for (i = 0; i < sz; i++) {
764 if ((low >= rgs[i].low && low <= rgs[i].high) ||
765 (high >= rgs[i].low && high <= rgs[i].high)) {
766 memprintf(err, "ranges are overlapping");
767 return 1;
768 }
769 }
770
771 return 0;
772}
773
774int smp_log_range_cmp(const void *a, const void *b)
775{
776 const struct smp_log_range *rg_a = a;
777 const struct smp_log_range *rg_b = b;
778
779 if (rg_a->high < rg_b->low)
780 return -1;
781 else if (rg_a->low > rg_b->high)
782 return 1;
783
784 return 0;
785}
786
787/*
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200788 * Parse "log" keyword and update <logsrvs> list accordingly.
789 *
790 * When <do_del> is set, it means the "no log" line was parsed, so all log
791 * servers in <logsrvs> are released.
792 *
793 * Otherwise, we try to parse the "log" line. First of all, when the list is not
794 * the global one, we look for the parameter "global". If we find it,
795 * global.logsrvs is copied. Else we parse each arguments.
796 *
797 * The function returns 1 in success case, otherwise, it returns 0 and err is
798 * filled.
799 */
800int parse_logsrv(char **args, struct list *logsrvs, int do_del, char **err)
801{
802 struct sockaddr_storage *sk;
803 struct logsrv *logsrv = NULL;
804 int port1, port2;
805 int cur_arg;
806
807 /*
808 * "no log": delete previous herited or defined syslog
809 * servers.
810 */
811 if (do_del) {
812 struct logsrv *back;
813
814 if (*(args[1]) != 0) {
815 memprintf(err, "'no log' does not expect arguments");
816 goto error;
817 }
818
819 list_for_each_entry_safe(logsrv, back, logsrvs, list) {
820 LIST_DEL(&logsrv->list);
821 free(logsrv);
822 }
823 return 1;
824 }
825
826 /*
827 * "log global": copy global.logrsvs linked list to the end of logsrvs
828 * list. But first, we check (logsrvs != global.logsrvs).
829 */
830 if (*(args[1]) && *(args[2]) == 0 && !strcmp(args[1], "global")) {
831 if (logsrvs == &global.logsrvs) {
832 memprintf(err, "'global' is not supported for a global syslog server");
833 goto error;
834 }
835 list_for_each_entry(logsrv, &global.logsrvs, list) {
Christopher Faulet28ac0992018-03-26 16:09:19 +0200836 struct logsrv *node;
837
838 list_for_each_entry(node, logsrvs, list) {
839 if (node->ref == logsrv)
840 goto skip_logsrv;
841 }
842
843 node = malloc(sizeof(*node));
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200844 memcpy(node, logsrv, sizeof(struct logsrv));
Christopher Faulet28ac0992018-03-26 16:09:19 +0200845 node->ref = logsrv;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200846 LIST_INIT(&node->list);
847 LIST_ADDQ(logsrvs, &node->list);
Christopher Faulet28ac0992018-03-26 16:09:19 +0200848
849 skip_logsrv:
850 continue;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200851 }
852 return 1;
853 }
854
855 /*
856 * "log <address> ...: parse a syslog server line
857 */
858 if (*(args[1]) == 0 || *(args[2]) == 0) {
859 memprintf(err, "expects <address> and <facility> %s as arguments",
860 ((logsrvs == &global.logsrvs) ? "" : "or global"));
861 goto error;
862 }
863
Willy Tarreau5a32ecc2018-11-12 07:34:59 +0100864 /* take care of "stdout" and "stderr" as regular aliases for fd@1 / fd@2 */
865 if (strcmp(args[1], "stdout") == 0)
866 args[1] = "fd@1";
867 else if (strcmp(args[1], "stderr") == 0)
868 args[1] = "fd@2";
869
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200870 logsrv = calloc(1, sizeof(*logsrv));
871 if (!logsrv) {
872 memprintf(err, "out of memory");
873 goto error;
874 }
875
876 /* skip address for now, it will be parsed at the end */
877 cur_arg = 2;
878
879 /* just after the address, a length may be specified */
880 logsrv->maxlen = MAX_SYSLOG_LEN;
881 if (strcmp(args[cur_arg], "len") == 0) {
882 int len = atoi(args[cur_arg+1]);
883 if (len < 80 || len > 65535) {
884 memprintf(err, "invalid log length '%s', must be between 80 and 65535",
885 args[cur_arg+1]);
886 goto error;
887 }
888 logsrv->maxlen = len;
889 cur_arg += 2;
890 }
891 if (logsrv->maxlen > global.max_syslog_len)
892 global.max_syslog_len = logsrv->maxlen;
893
894 /* after the length, a format may be specified */
895 if (strcmp(args[cur_arg], "format") == 0) {
896 logsrv->format = get_log_format(args[cur_arg+1]);
Emeric Brun54648852020-07-06 15:54:06 +0200897 if (logsrv->format == LOG_FORMAT_UNSPEC) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200898 memprintf(err, "unknown log format '%s'", args[cur_arg+1]);
899 goto error;
900 }
901 cur_arg += 2;
902 }
903
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200904 if (strcmp(args[cur_arg], "sample") == 0) {
905 unsigned low, high;
906 char *p, *beg, *end, *smp_sz_str;
907 struct smp_log_range *smp_rgs = NULL;
908 size_t smp_rgs_sz = 0, smp_sz = 0, new_smp_sz;
909
910 p = args[cur_arg+1];
911 smp_sz_str = strchr(p, ':');
912 if (!smp_sz_str) {
913 memprintf(err, "Missing sample size");
914 goto error;
915 }
916
917 *smp_sz_str++ = '\0';
918
919 end = p + strlen(p);
920
921 while (p != end) {
922 if (!get_logsrv_smp_range(&low, &high, &p, err))
923 goto error;
924
925 if (smp_rgs && smp_log_ranges_overlap(smp_rgs, smp_rgs_sz, low, high, err))
926 goto error;
927
928 smp_rgs = my_realloc2(smp_rgs, (smp_rgs_sz + 1) * sizeof *smp_rgs);
929 if (!smp_rgs) {
930 memprintf(err, "out of memory error");
931 goto error;
932 }
933
934 smp_rgs[smp_rgs_sz].low = low;
935 smp_rgs[smp_rgs_sz].high = high;
936 smp_rgs[smp_rgs_sz].sz = high - low + 1;
937 smp_rgs[smp_rgs_sz].curr_idx = 0;
938 if (smp_rgs[smp_rgs_sz].high > smp_sz)
939 smp_sz = smp_rgs[smp_rgs_sz].high;
940 smp_rgs_sz++;
941 }
942
Tim Duesterhus21648002019-06-23 22:10:10 +0200943 if (smp_rgs == NULL) {
944 memprintf(err, "no sampling ranges given");
945 goto error;
946 }
947
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200948 beg = smp_sz_str;
949 end = beg + strlen(beg);
950 new_smp_sz = read_uint((const char **)&beg, end);
951 if (!new_smp_sz || beg != end) {
952 memprintf(err, "wrong sample size '%s' for sample range '%s'",
953 smp_sz_str, args[cur_arg+1]);
954 goto error;
955 }
956
957 if (new_smp_sz < smp_sz) {
958 memprintf(err, "sample size %zu should be greater or equal to "
959 "%zu the maximum of the high ranges limits",
960 new_smp_sz, smp_sz);
961 goto error;
962 }
963 smp_sz = new_smp_sz;
964
965 /* Let's order <smp_rgs> array. */
966 qsort(smp_rgs, smp_rgs_sz, sizeof(struct smp_log_range), smp_log_range_cmp);
967
968 logsrv->lb.smp_rgs = smp_rgs;
969 logsrv->lb.smp_rgs_sz = smp_rgs_sz;
970 logsrv->lb.smp_sz = smp_sz;
971
972 cur_arg += 2;
973 }
Frédéric Lécailled803e472019-04-25 07:42:09 +0200974 HA_SPIN_INIT(&logsrv->lock);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200975 /* parse the facility */
976 logsrv->facility = get_log_facility(args[cur_arg]);
977 if (logsrv->facility < 0) {
978 memprintf(err, "unknown log facility '%s'", args[cur_arg]);
979 goto error;
980 }
981 cur_arg++;
982
983 /* parse the max syslog level (default: debug) */
984 logsrv->level = 7;
985 if (*(args[cur_arg])) {
986 logsrv->level = get_log_level(args[cur_arg]);
987 if (logsrv->level < 0) {
988 memprintf(err, "unknown optional log level '%s'", args[cur_arg]);
989 goto error;
990 }
991 cur_arg++;
992 }
993
994 /* parse the limit syslog level (default: emerg) */
995 logsrv->minlvl = 0;
996 if (*(args[cur_arg])) {
997 logsrv->minlvl = get_log_level(args[cur_arg]);
998 if (logsrv->minlvl < 0) {
999 memprintf(err, "unknown optional minimum log level '%s'", args[cur_arg]);
1000 goto error;
1001 }
1002 cur_arg++;
1003 }
1004
1005 /* Too many args */
1006 if (*(args[cur_arg])) {
1007 memprintf(err, "cannot handle unexpected argument '%s'", args[cur_arg]);
1008 goto error;
1009 }
1010
1011 /* now, back to the address */
Willy Tarreauf3dc30f2019-08-30 14:18:44 +02001012 logsrv->type = LOG_TARGET_DGRAM;
Willy Tarreauc046d162019-08-30 15:24:59 +02001013 if (strncmp(args[1], "ring@", 5) == 0) {
Willy Tarreauc046d162019-08-30 15:24:59 +02001014 logsrv->addr.ss_family = AF_UNSPEC;
1015 logsrv->type = LOG_TARGET_BUFFER;
Emeric Brun99c453d2020-05-25 15:01:04 +02001016 logsrv->sink = NULL;
1017 logsrv->ring_name = strdup(args[1] + 5);
Willy Tarreauc046d162019-08-30 15:24:59 +02001018 goto done;
1019 }
1020
Willy Tarreauf3dc30f2019-08-30 14:18:44 +02001021 if (strncmp(args[1], "fd@", 3) == 0)
1022 logsrv->type = LOG_TARGET_FD;
1023
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001024 sk = str2sa_range(args[1], NULL, &port1, &port2, err, NULL, NULL, 1);
1025 if (!sk)
1026 goto error;
1027 logsrv->addr = *sk;
1028
1029 if (sk->ss_family == AF_INET || sk->ss_family == AF_INET6) {
1030 if (port1 != port2) {
1031 memprintf(err, "port ranges and offsets are not allowed in '%s'", args[1]);
1032 goto error;
1033 }
1034 logsrv->addr = *sk;
1035 if (!port1)
1036 set_host_port(&logsrv->addr, SYSLOG_PORT);
1037 }
Willy Tarreauc046d162019-08-30 15:24:59 +02001038 done:
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001039 LIST_ADDQ(logsrvs, &logsrv->list);
1040 return 1;
1041
1042 error:
1043 free(logsrv);
1044 return 0;
1045}
1046
1047
Christopher Fauletd4696382017-10-24 11:44:05 +02001048/* Generic function to display messages prefixed by a label */
1049static void print_message(const char *label, const char *fmt, va_list argp)
1050{
1051 struct tm tm;
1052 char *head, *msg;
1053
1054 head = msg = NULL;
1055
1056 get_localtime(date.tv_sec, &tm);
1057 memprintf(&head, "[%s] %03d/%02d%02d%02d (%d) : ",
1058 label, tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
1059 memvprintf(&msg, fmt, argp);
1060
Willy Tarreau869efd52019-11-15 15:16:57 +01001061 if (global.mode & MODE_STARTING) {
1062 if (unlikely(!startup_logs))
1063 startup_logs = ring_new(STARTUP_LOG_SIZE);
1064
1065 if (likely(startup_logs)) {
1066 struct ist m[2];
1067
1068 m[0] = ist(head);
1069 m[1] = ist(msg);
1070 /* trim the trailing '\n' */
1071 if (m[1].len > 0 && m[1].ptr[m[1].len - 1] == '\n')
1072 m[1].len--;
1073 ring_write(startup_logs, ~0, 0, 0, m, 2);
1074 }
1075 }
Christopher Fauletd4696382017-10-24 11:44:05 +02001076
1077 fprintf(stderr, "%s%s", head, msg);
1078 fflush(stderr);
1079
1080 free(head);
1081 free(msg);
1082}
1083
Willy Tarreaubaaee002006-06-26 02:48:02 +02001084/*
1085 * Displays the message on stderr with the date and pid. Overrides the quiet
1086 * mode during startup.
1087 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001088void ha_alert(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001089{
1090 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001091
1092 if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
Willy Tarreaubb869862020-04-16 10:52:41 +02001093 if (!(warned & WARN_EXEC_PATH)) {
1094 const char *path = get_exec_path();
1095
1096 warned |= WARN_EXEC_PATH;
1097 ha_notice("haproxy version is %s\n", haproxy_version);
1098 if (path)
1099 ha_notice("path to executable is %s\n", path);
1100 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001101 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001102 print_message("ALERT", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001103 va_end(argp);
1104 }
1105}
1106
1107
1108/*
1109 * Displays the message on stderr with the date and pid.
1110 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001111void ha_warning(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001112{
1113 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001114
Willy Tarreaubebd2122020-04-15 16:06:11 +02001115 warned |= WARN_ANY;
1116
Willy Tarreaubaaee002006-06-26 02:48:02 +02001117 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1118 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001119 print_message("WARNING", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001120 va_end(argp);
1121 }
1122}
1123
1124/*
William Lallemand9c56a222018-11-21 18:04:52 +01001125 * Displays the message on stderr with the date and pid.
1126 */
1127void ha_notice(const char *fmt, ...)
1128{
1129 va_list argp;
1130
1131 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1132 va_start(argp, fmt);
1133 print_message("NOTICE", fmt, argp);
1134 va_end(argp);
1135 }
1136}
1137
1138/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001139 * Displays the message on <out> only if quiet mode is not set.
1140 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001141void qfprintf(FILE *out, const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001142{
1143 va_list argp;
1144
1145 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1146 va_start(argp, fmt);
1147 vfprintf(out, fmt, argp);
1148 fflush(out);
1149 va_end(argp);
1150 }
1151}
1152
1153/*
Emeric Brun54648852020-07-06 15:54:06 +02001154 * returns log format, LOG_FORMAT_UNSPEC is return if not found.
Dragan Dosen1322d092015-09-22 16:05:32 +02001155 */
Emeric Brun54648852020-07-06 15:54:06 +02001156enum log_fmt get_log_format(const char *fmt)
Dragan Dosen1322d092015-09-22 16:05:32 +02001157{
Emeric Brun54648852020-07-06 15:54:06 +02001158 enum log_fmt format;
Dragan Dosen1322d092015-09-22 16:05:32 +02001159
1160 format = LOG_FORMATS - 1;
Emeric Brun54648852020-07-06 15:54:06 +02001161 while (format > 0 && log_formats[format].name
1162 && strcmp(log_formats[format].name, fmt))
Dragan Dosen1322d092015-09-22 16:05:32 +02001163 format--;
1164
Emeric Brun54648852020-07-06 15:54:06 +02001165 /* Note: 0 is LOG_FORMAT_UNSPEC */
Dragan Dosen1322d092015-09-22 16:05:32 +02001166 return format;
1167}
1168
1169/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001170 * returns log level for <lev> or -1 if not found.
1171 */
1172int get_log_level(const char *lev)
1173{
1174 int level;
1175
1176 level = NB_LOG_LEVELS - 1;
1177 while (level >= 0 && strcmp(log_levels[level], lev))
1178 level--;
1179
1180 return level;
1181}
1182
Willy Tarreaubaaee002006-06-26 02:48:02 +02001183/*
1184 * returns log facility for <fac> or -1 if not found.
1185 */
1186int get_log_facility(const char *fac)
1187{
1188 int facility;
1189
1190 facility = NB_LOG_FACILITIES - 1;
1191 while (facility >= 0 && strcmp(log_facilities[facility], fac))
1192 facility--;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001193
Willy Tarreaubaaee002006-06-26 02:48:02 +02001194 return facility;
1195}
1196
William Lallemanda1cc3812012-02-08 16:38:44 +01001197/*
Dragan Dosen835b9212016-02-12 13:23:03 +01001198 * Encode the string.
1199 *
1200 * When using the +E log format option, it will try to escape '"\]'
1201 * characters with '\' as prefix. The same prefix should not be used as
1202 * <escape>.
1203 */
1204static char *lf_encode_string(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001205 const char escape, const long *map,
Dragan Dosen835b9212016-02-12 13:23:03 +01001206 const char *string,
1207 struct logformat_node *node)
1208{
1209 if (node->options & LOG_OPT_ESC) {
1210 if (start < stop) {
1211 stop--; /* reserve one byte for the final '\0' */
1212 while (start < stop && *string != '\0') {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001213 if (!ha_bit_test((unsigned char)(*string), map)) {
1214 if (!ha_bit_test((unsigned char)(*string), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001215 *start++ = *string;
1216 else {
1217 if (start + 2 >= stop)
1218 break;
1219 *start++ = '\\';
1220 *start++ = *string;
1221 }
1222 }
1223 else {
1224 if (start + 3 >= stop)
1225 break;
1226 *start++ = escape;
1227 *start++ = hextab[(*string >> 4) & 15];
1228 *start++ = hextab[*string & 15];
1229 }
1230 string++;
1231 }
1232 *start = '\0';
1233 }
1234 }
1235 else {
1236 return encode_string(start, stop, escape, map, string);
1237 }
1238
1239 return start;
1240}
1241
1242/*
1243 * Encode the chunk.
1244 *
1245 * When using the +E log format option, it will try to escape '"\]'
1246 * characters with '\' as prefix. The same prefix should not be used as
1247 * <escape>.
1248 */
1249static char *lf_encode_chunk(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001250 const char escape, const long *map,
Willy Tarreau83061a82018-07-13 11:56:34 +02001251 const struct buffer *chunk,
Dragan Dosen835b9212016-02-12 13:23:03 +01001252 struct logformat_node *node)
1253{
1254 char *str, *end;
1255
1256 if (node->options & LOG_OPT_ESC) {
1257 if (start < stop) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001258 str = chunk->area;
1259 end = chunk->area + chunk->data;
Dragan Dosen835b9212016-02-12 13:23:03 +01001260
1261 stop--; /* reserve one byte for the final '\0' */
1262 while (start < stop && str < end) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001263 if (!ha_bit_test((unsigned char)(*str), map)) {
1264 if (!ha_bit_test((unsigned char)(*str), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001265 *start++ = *str;
1266 else {
1267 if (start + 2 >= stop)
1268 break;
1269 *start++ = '\\';
1270 *start++ = *str;
1271 }
1272 }
1273 else {
1274 if (start + 3 >= stop)
1275 break;
1276 *start++ = escape;
1277 *start++ = hextab[(*str >> 4) & 15];
1278 *start++ = hextab[*str & 15];
1279 }
1280 str++;
1281 }
1282 *start = '\0';
1283 }
1284 }
1285 else {
1286 return encode_chunk(start, stop, escape, map, chunk);
1287 }
1288
1289 return start;
1290}
1291
1292/*
William Lallemanda1cc3812012-02-08 16:38:44 +01001293 * Write a string in the log string
Dragan Dosen835b9212016-02-12 13:23:03 +01001294 * Take cares of quote and escape options
William Lallemanda1cc3812012-02-08 16:38:44 +01001295 *
Joseph Herlant85b40592018-11-15 12:10:04 -08001296 * Return the address of the \0 character, or NULL on error
William Lallemanda1cc3812012-02-08 16:38:44 +01001297 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001298char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
William Lallemanda1cc3812012-02-08 16:38:44 +01001299{
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001300 if (size < 2)
1301 return NULL;
William Lallemanda1cc3812012-02-08 16:38:44 +01001302
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001303 if (node->options & LOG_OPT_QUOTE) {
1304 *(dst++) = '"';
1305 size--;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001306 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001307
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001308 if (src && len) {
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001309 if (++len > size)
1310 len = size;
Dragan Dosen835b9212016-02-12 13:23:03 +01001311 if (node->options & LOG_OPT_ESC) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001312 char *ret;
1313
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001314 ret = escape_string(dst, dst + len, '\\', rfc5424_escape_map, src);
Dragan Dosen835b9212016-02-12 13:23:03 +01001315 if (ret == NULL || *ret != '\0')
1316 return NULL;
1317 len = ret - dst;
1318 }
1319 else {
Dragan Dosen835b9212016-02-12 13:23:03 +01001320 len = strlcpy2(dst, src, len);
1321 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001322
1323 size -= len;
1324 dst += len;
1325 }
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001326 else if ((node->options & (LOG_OPT_QUOTE|LOG_OPT_MANDATORY)) == LOG_OPT_MANDATORY) {
1327 if (size < 2)
1328 return NULL;
1329 *(dst++) = '-';
1330 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001331
1332 if (node->options & LOG_OPT_QUOTE) {
1333 if (size < 2)
1334 return NULL;
1335 *(dst++) = '"';
1336 }
1337
1338 *dst = '\0';
William Lallemandbddd4fd2012-02-27 11:23:10 +01001339 return dst;
William Lallemanda1cc3812012-02-08 16:38:44 +01001340}
1341
Willy Tarreau26ffa852018-09-05 15:23:10 +02001342static inline char *lf_text(char *dst, const char *src, size_t size, const struct logformat_node *node)
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001343{
1344 return lf_text_len(dst, src, size, size, node);
1345}
1346
William Lallemand5f232402012-04-05 18:02:55 +02001347/*
Joseph Herlant85b40592018-11-15 12:10:04 -08001348 * Write a IP address to the log string
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001349 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001350 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001351char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001352{
1353 char *ret = dst;
1354 int iret;
1355 char pn[INET6_ADDRSTRLEN];
1356
1357 if (node->options & LOG_OPT_HEXA) {
Radek Zajic594c4562019-03-22 10:21:54 +00001358 unsigned char *addr = NULL;
1359 switch (sockaddr->sa_family) {
1360 case AF_INET:
1361 addr = (unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_addr.s_addr;
1362 iret = snprintf(dst, size, "%02X%02X%02X%02X", addr[0], addr[1], addr[2], addr[3]);
1363 break;
1364 case AF_INET6:
1365 addr = (unsigned char *)&((struct sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr;
1366 iret = snprintf(dst, size, "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
1367 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], addr[6], addr[7],
1368 addr[8], addr[9], addr[10], addr[11], addr[12], addr[13], addr[14], addr[15]);
1369 break;
1370 default:
1371 return NULL;
1372 }
William Lallemand5f232402012-04-05 18:02:55 +02001373 if (iret < 0 || iret > size)
1374 return NULL;
1375 ret += iret;
1376 } else {
1377 addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
1378 ret = lf_text(dst, pn, size, node);
1379 if (ret == NULL)
1380 return NULL;
1381 }
1382 return ret;
1383}
1384
1385/*
1386 * Write a port to the log
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001387 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001388 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001389char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001390{
1391 char *ret = dst;
1392 int iret;
1393
1394 if (node->options & LOG_OPT_HEXA) {
1395 const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
1396 iret = snprintf(dst, size, "%02X%02X", port[0], port[1]);
1397 if (iret < 0 || iret > size)
1398 return NULL;
1399 ret += iret;
1400 } else {
1401 ret = ltoa_o(get_host_port((struct sockaddr_storage *)sockaddr), dst, size);
1402 if (ret == NULL)
1403 return NULL;
1404 }
1405 return ret;
1406}
1407
Emeric Brun54648852020-07-06 15:54:06 +02001408
1409/*
1410 * This function sends the syslog message using a printf format string. It
1411 * expects an LF-terminated message.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001412 */
Emeric Brun54648852020-07-06 15:54:06 +02001413void send_log(struct proxy *p, int level, const char *format, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001414{
Emeric Brun54648852020-07-06 15:54:06 +02001415 va_list argp;
1416 int data_len;
1417
1418 if (level < 0 || format == NULL || logline == NULL)
1419 return;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001420
Emeric Brun54648852020-07-06 15:54:06 +02001421 va_start(argp, format);
1422 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
1423 if (data_len < 0 || data_len > global.max_syslog_len)
1424 data_len = global.max_syslog_len;
1425 va_end(argp);
Willy Tarreaufe944602007-10-25 10:34:16 +02001426
Emeric Brun54648852020-07-06 15:54:06 +02001427 __send_log((p ? &p->logsrvs : NULL), (p ? &p->log_tag : NULL), level,
1428 logline, data_len, default_rfc5424_sd_log_format, 2);
1429}
1430/*
1431 * This function builds a log header of given format using given
1432 * metadata, if format is set to LOF_FORMAT_UNSPEC, it tries
1433 * to determine format based on given metadas. It is useful
1434 * for log-forwarding to be able to forward any format without
1435 * settings.
1436 * This function returns a struct ist array of elements of the header
1437 * nbelem is set to the number of available elements.
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001438 * This function returns currently a maximum of NB_LOG_HDR_IST_ELEMENTS
Emeric Brun54648852020-07-06 15:54:06 +02001439 * elements.
1440 */
1441struct ist *build_log_header(enum log_fmt format, int level, int facility,
1442 struct ist *metadata, size_t *nbelem)
1443{
1444 static THREAD_LOCAL struct {
1445 struct ist ist_vector[NB_LOG_HDR_MAX_ELEMENTS];
1446 char timestamp_buffer[LOG_LEGACYTIME_LEN+1+1];
1447 time_t cur_legacy_time;
1448 char priority_buffer[6];
1449 } hdr_ctx = { .priority_buffer = "<<<<>" };
Willy Tarreaubaaee002006-06-26 02:48:02 +02001450
Emeric Brun54648852020-07-06 15:54:06 +02001451 struct tm logtime;
1452 int len;
1453 int fac_level = 0;
1454 time_t time = date.tv_sec;
Dragan Dosen43885c72015-10-01 13:18:13 +02001455
Emeric Brun54648852020-07-06 15:54:06 +02001456 *nbelem = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001457
Emeric Brun54648852020-07-06 15:54:06 +02001458
1459 if (format == LOG_FORMAT_UNSPEC) {
1460 format = LOG_FORMAT_RAW;
1461 if (metadata) {
1462 /* If a hostname is set, it appears we want to perform syslog
1463 * because only rfc5427 or rfc3164 support an hostname.
1464 */
1465 if (metadata[LOG_META_HOST].len) {
1466 /* If a rfc5424 compliant timestamp is used we consider
1467 * that output format is rfc5424, else legacy format
1468 * is used as specified default for local logs
1469 * in documentation.
1470 */
1471 if ((metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-')
1472 || (metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN))
1473 format = LOG_FORMAT_RFC5424;
1474 else
1475 format = LOG_FORMAT_RFC3164;
1476 }
1477 else if (metadata[LOG_META_PRIO].len) {
1478 /* the source seems a parsed message
1479 * offering a valid level/prio prefix
1480 * so we consider this format.
1481 */
1482 format = LOG_FORMAT_PRIO;
1483 }
1484 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001485 }
1486
Emeric Brun54648852020-07-06 15:54:06 +02001487 /* prepare priority, stored into 1 single elem */
1488 switch (format) {
1489 case LOG_FORMAT_RFC3164:
1490 case LOG_FORMAT_RFC5424:
1491 case LOG_FORMAT_PRIO:
1492 fac_level = facility << 3;
1493 /* further format ignore the facility */
1494 /* fall through */
1495 case LOG_FORMAT_TIMED:
1496 case LOG_FORMAT_SHORT:
1497 fac_level += level;
1498 hdr_ctx.ist_vector[*nbelem].ptr = &hdr_ctx.priority_buffer[3]; /* last digit of the log level */
1499 do {
1500 *hdr_ctx.ist_vector[*nbelem].ptr = '0' + fac_level % 10;
1501 fac_level /= 10;
1502 hdr_ctx.ist_vector[*nbelem].ptr--;
1503 } while (fac_level && hdr_ctx.ist_vector[*nbelem].ptr > &hdr_ctx.priority_buffer[0]);
1504 *hdr_ctx.ist_vector[*nbelem].ptr = '<';
1505 hdr_ctx.ist_vector[(*nbelem)++].len = &hdr_ctx.priority_buffer[5] - hdr_ctx.ist_vector[0].ptr;
1506 break;
1507 case LOG_FORMAT_ISO:
1508 case LOG_FORMAT_RAW:
1509 break;
1510 case LOG_FORMAT_UNSPEC:
1511 case LOG_FORMATS:
1512 ABORT_NOW();
1513 }
Willy Tarreau094af4e2015-01-07 15:03:42 +01001514
William Lallemand2a4a44f2012-02-06 16:00:33 +01001515
Emeric Brun54648852020-07-06 15:54:06 +02001516 /* prepare timestamp, stored into a max of 4 elems */
1517 switch (format) {
1518 case LOG_FORMAT_RFC3164:
1519 /* rfc3164 ex: 'Jan 1 00:00:00 ' */
1520 if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1521 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1522 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001523 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001524 break;
1525 }
1526 else if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1527 int month;
1528 char *timestamp = metadata[LOG_META_TIME].ptr;
Dragan Dosen1322d092015-09-22 16:05:32 +02001529
Emeric Brun54648852020-07-06 15:54:06 +02001530 /* iso time always begins like this: '1970-01-01T00:00:00' */
Dragan Dosen1322d092015-09-22 16:05:32 +02001531
Emeric Brun54648852020-07-06 15:54:06 +02001532 /* compute month */
1533 month = 10*(timestamp[5] - '0') + (timestamp[6] - '0');
1534 if (month)
1535 month--;
1536 if (month <= 11) {
1537 /* builds log prefix ex: 'Jan 1 ' */
1538 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1539 "%s %c%c ", monthname[month],
1540 timestamp[8] != '0' ? timestamp[8] : ' ',
1541 timestamp[9]);
1542 /* we reused the timestamp_buffer, signal that it does not
1543 * contain local time anymore
1544 */
1545 hdr_ctx.cur_legacy_time = 0;
1546 if (len == 7) {
1547 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1548 /* adds 'HH:MM:SS' from iso time */
1549 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[11], 8);
1550 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1551 /* we successfully reuse iso time, we can break */
1552 break;
1553 }
1554 }
1555 /* Failed to reuse isotime time, fallback to local legacy time */
1556 }
Dragan Dosen1322d092015-09-22 16:05:32 +02001557
Emeric Brun54648852020-07-06 15:54:06 +02001558 if (unlikely(time != hdr_ctx.cur_legacy_time)) {
1559 /* re-builds timestamp from the current local time */
1560 get_localtime(time, &logtime);
1561
1562 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1563 "%s %2d %02d:%02d:%02d ",
1564 monthname[logtime.tm_mon],
1565 logtime.tm_mday, logtime.tm_hour, logtime.tm_min, logtime.tm_sec);
1566 if (len != LOG_LEGACYTIME_LEN+1)
1567 hdr_ctx.cur_legacy_time = 0;
1568 else
1569 hdr_ctx.cur_legacy_time = time;
1570 }
1571 if (likely(hdr_ctx.cur_legacy_time))
1572 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], LOG_LEGACYTIME_LEN+1);
1573 else
1574 hdr_ctx.ist_vector[(*nbelem)++] = ist2("Jan 1 00:00:00 ", LOG_LEGACYTIME_LEN+1);
1575 break;
1576 case LOG_FORMAT_RFC5424:
1577 /* adds rfc5425 version prefix */
1578 hdr_ctx.ist_vector[(*nbelem)++] = ist2("1 ", 2);
1579 if (metadata && metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-') {
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001580 /* submitted len is NILVALUE, it is a valid timestamp for rfc5425 */
Emeric Brun54648852020-07-06 15:54:06 +02001581 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1582 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1583 break;
1584 }
1585 /* let continue as 'timed' and 'iso' format for usual timestamp */
1586 /* fall through */
1587 case LOG_FORMAT_TIMED:
1588 case LOG_FORMAT_ISO:
1589 /* ISO format ex: '1900:01:01T12:00:00.123456Z'
1590 * '1900:01:01T14:00:00+02:00'
1591 * '1900:01:01T10:00:00.123456-02:00'
1592 */
1593 if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1594 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1595 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001596 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001597 break;
1598 }
1599 else if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1600 int month;
1601 char *timestamp = metadata[LOG_META_TIME].ptr;
1602
1603 for (month = 0; month < 12; month++)
1604 if (!memcmp(monthname[month], timestamp, 3))
1605 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001606
Emeric Brun54648852020-07-06 15:54:06 +02001607 if (month < 12) {
1608
1609 /* get local time to retrieve year */
1610 get_localtime(time, &logtime);
1611
1612 /* year seems changed since log */
1613 if (logtime.tm_mon < month)
1614 logtime.tm_year--;
1615
1616 /* builds rfc5424 prefix ex: '1900-01-01T' */
1617 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1618 "%4d-%02d-%c%cT",
1619 logtime.tm_year+1900, month+1,
1620 timestamp[4] != ' ' ? timestamp[4] : '0',
1621 timestamp[5]);
1622
1623 /* we reused the timestamp_buffer, signal that it does not
1624 * contain local time anymore
1625 */
1626 hdr_ctx.cur_legacy_time = 0;
1627 if (len == 11) {
1628 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1629 /* adds HH:MM:SS from legacy timestamp */
1630 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[7], 8);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001631 /* skip secfraq because it is optional */
Emeric Brun54648852020-07-06 15:54:06 +02001632 /* according to rfc: -00:00 means we don't know the timezone */
1633 hdr_ctx.ist_vector[(*nbelem)++] = ist2("-00:00 ", 7);
1634 /* we successfully reuse legacy time, we can break */
1635 break;
1636 }
1637 }
1638 /* Failed to reuse legacy time, fallback to local iso time */
1639 }
1640 hdr_ctx.ist_vector[(*nbelem)++] = ist2(timeofday_as_iso_us(1), LOG_ISOTIME_MAXLEN + 1);
1641 break;
1642 case LOG_FORMAT_PRIO:
1643 case LOG_FORMAT_SHORT:
1644 case LOG_FORMAT_RAW:
1645 break;
1646 case LOG_FORMAT_UNSPEC:
1647 case LOG_FORMATS:
1648 ABORT_NOW();
Dragan Dosen1322d092015-09-22 16:05:32 +02001649 }
1650
Emeric Brun54648852020-07-06 15:54:06 +02001651 /* prepare other meta data, stored into a max of 10 elems */
1652 switch (format) {
1653 case LOG_FORMAT_RFC3164:
1654 if (metadata && metadata[LOG_META_HOST].len) {
1655 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1656 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1657 }
1658 else /* the caller MUST fill the hostname */
1659 hdr_ctx.ist_vector[(*nbelem)++] = ist2("localhost ", 10);
Emeric Brun9f9b22c2020-07-02 16:16:59 +02001660
Emeric Brun54648852020-07-06 15:54:06 +02001661 if (!metadata || !metadata[LOG_META_TAG].len)
1662 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001663
Emeric Brun54648852020-07-06 15:54:06 +02001664 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1665 if (metadata[LOG_META_PID].len) {
1666 hdr_ctx.ist_vector[(*nbelem)++] = ist2("[", 1);
1667 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1668 hdr_ctx.ist_vector[(*nbelem)++] = ist2("]", 1);
1669 }
1670 hdr_ctx.ist_vector[(*nbelem)++] = ist2(": ", 2);
1671 break;
1672 case LOG_FORMAT_RFC5424:
1673 if (metadata && metadata[LOG_META_HOST].len) {
1674 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1675 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1676 }
1677 else
1678 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
Dragan Dosen1322d092015-09-22 16:05:32 +02001679
Emeric Brun54648852020-07-06 15:54:06 +02001680 if (metadata && metadata[LOG_META_TAG].len) {
1681 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1682 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1683 }
1684 else
1685 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001686
Emeric Brun54648852020-07-06 15:54:06 +02001687 if (metadata && metadata[LOG_META_PID].len) {
1688 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1689 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1690 }
1691 else
1692 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001693
Emeric Brun54648852020-07-06 15:54:06 +02001694 if (metadata && metadata[LOG_META_MSGID].len) {
1695 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_MSGID];
1696 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1697 }
1698 else
1699 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001700
Emeric Brun54648852020-07-06 15:54:06 +02001701 if (metadata && metadata[LOG_META_STDATA].len) {
1702 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_STDATA];
1703 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1704 }
1705 else
1706 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
1707 break;
1708 case LOG_FORMAT_PRIO:
1709 case LOG_FORMAT_SHORT:
1710 case LOG_FORMAT_TIMED:
1711 case LOG_FORMAT_ISO:
1712 case LOG_FORMAT_RAW:
1713 break;
1714 case LOG_FORMAT_UNSPEC:
1715 case LOG_FORMATS:
1716 ABORT_NOW();
1717 }
1718
1719 return hdr_ctx.ist_vector;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001720}
1721
1722/*
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001723 * This function sends a syslog message to <logsrv>.
Emeric Brun54648852020-07-06 15:54:06 +02001724 * The argument <metadata> MUST be an array of size
1725 * LOG_META_FIELDS*sizeof(struct ist) containing data to build the header.
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001726 * It overrides the last byte of the message vector with an LF character.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001727 * Does not return any error,
William Lallemand2a4a44f2012-02-06 16:00:33 +01001728 */
Emeric Brun54648852020-07-06 15:54:06 +02001729static inline void __do_send_log(struct logsrv *logsrv, int nblogger, int level, int facility, struct ist *metadata, char *message, size_t size)
William Lallemand2a4a44f2012-02-06 16:00:33 +01001730{
Emeric Brun54648852020-07-06 15:54:06 +02001731 static THREAD_LOCAL struct iovec iovec[NB_LOG_HDR_MAX_ELEMENTS+1+1] = { }; /* header elements + message + LF */
Christopher Fauletf8188c62017-06-02 16:20:16 +02001732 static THREAD_LOCAL struct msghdr msghdr = {
1733 //.msg_iov = iovec,
Emeric Brun54648852020-07-06 15:54:06 +02001734 .msg_iovlen = NB_LOG_HDR_MAX_ELEMENTS+2
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001735 };
Christopher Fauletf8188c62017-06-02 16:20:16 +02001736 static THREAD_LOCAL int logfdunix = -1; /* syslog to AF_UNIX socket */
1737 static THREAD_LOCAL int logfdinet = -1; /* syslog to AF_INET socket */
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001738 int *plogfd;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001739 int sent;
Emeric Brun54648852020-07-06 15:54:06 +02001740 size_t nbelem;
1741 struct ist *msg_header = NULL;
Christopher Fauletf8188c62017-06-02 16:20:16 +02001742
1743 msghdr.msg_iov = iovec;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001744
Emeric Brunfa9d7802020-05-28 14:21:33 +02001745 /* historically some messages used to already contain the trailing LF
1746 * or Zero. Let's remove all trailing LF or Zero
1747 */
Emeric Brun54648852020-07-06 15:54:06 +02001748 while (size && (message[size-1] == '\n' || (message[size-1] == 0)))
Emeric Brun9e8ea0a2020-05-12 19:33:15 +02001749 size--;
1750
Willy Tarreauf3dc30f2019-08-30 14:18:44 +02001751 if (logsrv->type == LOG_TARGET_FD) {
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001752 /* the socket's address is a file descriptor */
1753 plogfd = (int *)&((struct sockaddr_in *)&logsrv->addr)->sin_addr.s_addr;
Robert Tsai81ae1952007-12-05 10:47:29 +01001754 }
Willy Tarreauc046d162019-08-30 15:24:59 +02001755 else if (logsrv->type == LOG_TARGET_BUFFER) {
1756 plogfd = NULL;
Emeric Brune709e1e2020-05-06 17:23:59 +02001757 goto send;
Willy Tarreauc046d162019-08-30 15:24:59 +02001758 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001759 else if (logsrv->addr.ss_family == AF_UNIX)
1760 plogfd = &logfdunix;
1761 else
1762 plogfd = &logfdinet;
Robert Tsai81ae1952007-12-05 10:47:29 +01001763
Willy Tarreauc046d162019-08-30 15:24:59 +02001764 if (plogfd && unlikely(*plogfd < 0)) {
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001765 /* socket not successfully initialized yet */
1766 if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM,
1767 (logsrv->addr.ss_family == AF_UNIX) ? 0 : IPPROTO_UDP)) < 0) {
1768 static char once;
William Lallemand0f99e342011-10-12 17:50:54 +02001769
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001770 if (!once) {
1771 once = 1; /* note: no need for atomic ops here */
1772 ha_alert("socket() failed in logger #%d: %s (errno=%d)\n",
1773 nblogger, strerror(errno), errno);
1774 }
1775 return;
1776 } else {
1777 /* we don't want to receive anything on this socket */
1778 setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
1779 /* does nothing under Linux, maybe needed for others */
1780 shutdown(*plogfd, SHUT_RD);
1781 fcntl(*plogfd, F_SETFD, fcntl(*plogfd, F_GETFD, FD_CLOEXEC) | FD_CLOEXEC);
1782 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001783 }
1784
Emeric Brun54648852020-07-06 15:54:06 +02001785 msg_header = build_log_header(logsrv->format, level, facility, metadata, &nbelem);
1786 send:
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001787 if (logsrv->addr.ss_family == AF_UNSPEC) {
Emeric Brun54648852020-07-06 15:54:06 +02001788 struct ist msg;
1789
1790 msg = ist2(message, size);
1791 if (msg.len > logsrv->maxlen)
1792 msg.len = logsrv->maxlen;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001793
Emeric Brune709e1e2020-05-06 17:23:59 +02001794 if (logsrv->type == LOG_TARGET_BUFFER) {
Emeric Brun54648852020-07-06 15:54:06 +02001795 sent = sink_write(logsrv->sink, &msg, 1, level, logsrv->facility, metadata);
Emeric Brune709e1e2020-05-06 17:23:59 +02001796 }
Emeric Brun54648852020-07-06 15:54:06 +02001797 else /* LOG_TARGET_FD */
1798 sent = fd_write_frag_line(*plogfd, logsrv->maxlen, msg_header, nbelem, &msg, 1, 1);
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001799 }
1800 else {
Emeric Brun54648852020-07-06 15:54:06 +02001801 int i = 0;
1802 int totlen = logsrv->maxlen;
1803
1804 for (i = 0 ; i < nbelem ; i++ ) {
1805 iovec[i].iov_base = msg_header[i].ptr;
1806 iovec[i].iov_len = msg_header[i].len;
1807 if (totlen <= iovec[i].iov_len) {
1808 iovec[i].iov_len = totlen;
1809 totlen = 0;
1810 break;
1811 }
1812 totlen -= iovec[i].iov_len;
1813 }
1814 if (totlen) {
1815 iovec[i].iov_base = message;
1816 iovec[i].iov_len = size;
1817 if (totlen <= iovec[i].iov_len)
1818 iovec[i].iov_len = totlen;
1819 i++;
1820 }
1821 iovec[i].iov_base = "\n"; /* insert a \n at the end of the message */
1822 iovec[i].iov_len = 1;
1823 i++;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001824
Emeric Brun54648852020-07-06 15:54:06 +02001825 msghdr.msg_iovlen = i;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001826 msghdr.msg_name = (struct sockaddr *)&logsrv->addr;
1827 msghdr.msg_namelen = get_addr_len(&logsrv->addr);
Dragan Dosen43885c72015-10-01 13:18:13 +02001828
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001829 sent = sendmsg(*plogfd, &msghdr, MSG_DONTWAIT | MSG_NOSIGNAL);
1830 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001831
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001832 if (sent < 0) {
1833 static char once;
Dragan Dosen43885c72015-10-01 13:18:13 +02001834
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001835 if (errno == EAGAIN)
1836 _HA_ATOMIC_ADD(&dropped_logs, 1);
1837 else if (!once) {
1838 once = 1; /* note: no need for atomic ops here */
1839 ha_alert("sendmsg()/writev() failed in logger #%d: %s (errno=%d)\n",
1840 nblogger, strerror(errno), errno);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001841 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001842 }
1843}
Dragan Dosen59cee972015-09-19 22:09:02 +02001844
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001845/*
1846 * This function sends a syslog message.
1847 * It doesn't care about errors nor does it report them.
Emeric Brun54648852020-07-06 15:54:06 +02001848 * The argument <metadata> MUST be an array of size
1849 * LOG_META_FIELDS*sizeof(struct ist) containing
1850 * data to build the header.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001851 */
Emeric Brun54648852020-07-06 15:54:06 +02001852void process_send_log(struct list *logsrvs, int level, int facility,
1853 struct ist *metadata, char *message, size_t size)
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001854{
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001855 struct logsrv *logsrv;
1856 int nblogger;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001857
1858 /* Send log messages to syslog server. */
1859 nblogger = 0;
1860 list_for_each_entry(logsrv, logsrvs, list) {
Emeric Brun2f4cc282020-07-10 15:47:11 +02001861 int in_range = 1;
Frédéric Lécailled803e472019-04-25 07:42:09 +02001862
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001863 /* we can filter the level of the messages that are sent to each logger */
1864 if (level > logsrv->level)
1865 continue;
1866
Frédéric Lécailled803e472019-04-25 07:42:09 +02001867 if (logsrv->lb.smp_rgs) {
1868 struct smp_log_range *curr_rg;
1869
1870 HA_SPIN_LOCK(LOGSRV_LOCK, &logsrv->lock);
1871 curr_rg = &logsrv->lb.smp_rgs[logsrv->lb.curr_rg];
1872 in_range = in_smp_log_range(curr_rg, logsrv->lb.curr_idx);
1873 if (in_range) {
1874 /* Let's consume this range. */
1875 curr_rg->curr_idx = (curr_rg->curr_idx + 1) % curr_rg->sz;
1876 if (!curr_rg->curr_idx) {
1877 /* If consumed, let's select the next range. */
1878 logsrv->lb.curr_rg = (logsrv->lb.curr_rg + 1) % logsrv->lb.smp_rgs_sz;
1879 }
1880 }
1881 logsrv->lb.curr_idx = (logsrv->lb.curr_idx + 1) % logsrv->lb.smp_sz;
1882 HA_SPIN_UNLOCK(LOGSRV_LOCK, &logsrv->lock);
1883 }
1884 if (in_range)
Emeric Brun54648852020-07-06 15:54:06 +02001885 __do_send_log(logsrv, ++nblogger, MAX(level, logsrv->minlvl),
1886 (facility == -1) ? logsrv->facility : facility,
1887 metadata, message, size);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001888 }
1889}
1890
Emeric Brun54648852020-07-06 15:54:06 +02001891/*
1892 * This function sends a syslog message.
1893 * It doesn't care about errors nor does it report them.
1894 * The arguments <sd> and <sd_size> are used for the structured-data part
1895 * in RFC5424 formatted syslog messages.
1896 */
1897void __send_log(struct list *logsrvs, struct buffer *tagb, int level,
1898 char *message, size_t size, char *sd, size_t sd_size)
1899{
1900 static THREAD_LOCAL pid_t curr_pid;
1901 static THREAD_LOCAL char pidstr[16];
1902 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
1903
1904 if (logsrvs == NULL) {
1905 if (!LIST_ISEMPTY(&global.logsrvs)) {
1906 logsrvs = &global.logsrvs;
1907 }
1908 }
1909 if (!logsrvs || LIST_ISEMPTY(logsrvs))
1910 return;
1911
1912 if (!metadata[LOG_META_HOST].len) {
1913 if (global.log_send_hostname)
1914 metadata[LOG_META_HOST] = ist2(global.log_send_hostname, strlen(global.log_send_hostname));
1915 else
1916 metadata[LOG_META_HOST] = ist2(hostname, strlen(hostname));
1917 }
1918
1919 if (!tagb || !tagb->area)
1920 tagb = &global.log_tag;
1921
1922 if (tagb)
1923 metadata[LOG_META_TAG] = ist2(tagb->area, tagb->data);
1924
1925 if (unlikely(curr_pid != getpid()))
1926 metadata[LOG_META_PID].len = 0;
1927
1928 if (!metadata[LOG_META_PID].len) {
1929 curr_pid = getpid();
1930 ltoa_o(curr_pid, pidstr, sizeof(pidstr));
1931 metadata[LOG_META_PID] = ist2(pidstr, strlen(pidstr));
1932 }
1933
1934 metadata[LOG_META_STDATA] = ist2(sd, sd_size);
1935
1936 /* Remove trailing space of structured data */
1937 while (metadata[LOG_META_STDATA].len && metadata[LOG_META_STDATA].ptr[metadata[LOG_META_STDATA].len-1] == ' ')
1938 metadata[LOG_META_STDATA].len--;
1939
1940 return process_send_log(logsrvs, level, -1, metadata, message, size);
1941}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001942
Willy Tarreauc89ccb62012-04-05 21:18:22 +02001943const 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 +01001944const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
1945 Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
1946 Set-cookie Updated, unknown, unknown */
1947
William Lallemand1d705562012-03-12 12:46:41 +01001948/*
1949 * try to write a character if there is enough space, or goto out
1950 */
William Lallemandbddd4fd2012-02-27 11:23:10 +01001951#define LOGCHAR(x) do { \
William Lallemand1d705562012-03-12 12:46:41 +01001952 if (tmplog < dst + maxsize - 1) { \
William Lallemandbddd4fd2012-02-27 11:23:10 +01001953 *(tmplog++) = (x); \
1954 } else { \
1955 goto out; \
1956 } \
1957 } while(0)
1958
Dragan Dosen835b9212016-02-12 13:23:03 +01001959
Willy Tarreaub6b3df32018-11-26 16:31:20 +01001960/* Initializes some log data at boot */
1961static void init_log()
Dragan Dosen835b9212016-02-12 13:23:03 +01001962{
1963 char *tmp;
Willy Tarreaue10cd482018-09-10 18:16:53 +02001964 int i;
Dragan Dosen835b9212016-02-12 13:23:03 +01001965
1966 /* Initialize the escape map for the RFC5424 structured-data : '"\]'
1967 * inside PARAM-VALUE should be escaped with '\' as prefix.
1968 * See https://tools.ietf.org/html/rfc5424#section-6.3.3 for more
1969 * details.
1970 */
1971 memset(rfc5424_escape_map, 0, sizeof(rfc5424_escape_map));
1972
1973 tmp = "\"\\]";
1974 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001975 ha_bit_set(*tmp, rfc5424_escape_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01001976 tmp++;
1977 }
Willy Tarreaue10cd482018-09-10 18:16:53 +02001978
1979 /* initialize the log header encoding map : '{|}"#' should be encoded with
1980 * '#' as prefix, as well as non-printable characters ( <32 or >= 127 ).
1981 * URL encoding only requires '"', '#' to be encoded as well as non-
1982 * printable characters above.
1983 */
1984 memset(hdr_encode_map, 0, sizeof(hdr_encode_map));
1985 memset(url_encode_map, 0, sizeof(url_encode_map));
1986 for (i = 0; i < 32; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001987 ha_bit_set(i, hdr_encode_map);
1988 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02001989 }
1990 for (i = 127; i < 256; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001991 ha_bit_set(i, hdr_encode_map);
1992 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02001993 }
1994
1995 tmp = "\"#{|}";
1996 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001997 ha_bit_set(*tmp, hdr_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02001998 tmp++;
1999 }
2000
2001 tmp = "\"#";
2002 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002003 ha_bit_set(*tmp, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002004 tmp++;
2005 }
2006
2007 /* initialize the http header encoding map. The draft httpbis define the
2008 * header content as:
2009 *
2010 * HTTP-message = start-line
2011 * *( header-field CRLF )
2012 * CRLF
2013 * [ message-body ]
2014 * header-field = field-name ":" OWS field-value OWS
2015 * field-value = *( field-content / obs-fold )
2016 * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
2017 * obs-fold = CRLF 1*( SP / HTAB )
2018 * field-vchar = VCHAR / obs-text
2019 * VCHAR = %x21-7E
2020 * obs-text = %x80-FF
2021 *
2022 * All the chars are encoded except "VCHAR", "obs-text", SP and HTAB.
2023 * The encoded chars are form 0x00 to 0x08, 0x0a to 0x1f and 0x7f. The
Joseph Herlant85b40592018-11-15 12:10:04 -08002024 * "obs-fold" is voluntarily forgotten because haproxy remove this.
Willy Tarreaue10cd482018-09-10 18:16:53 +02002025 */
2026 memset(http_encode_map, 0, sizeof(http_encode_map));
2027 for (i = 0x00; i <= 0x08; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002028 ha_bit_set(i, http_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002029 for (i = 0x0a; i <= 0x1f; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002030 ha_bit_set(i, http_encode_map);
2031 ha_bit_set(0x7f, http_encode_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01002032}
William Lallemand1d705562012-03-12 12:46:41 +01002033
Willy Tarreaub6b3df32018-11-26 16:31:20 +01002034INITCALL0(STG_PREPARE, init_log);
2035
Christopher Faulet0132d062017-07-26 15:33:35 +02002036/* Initialize log buffers used for syslog messages */
2037int init_log_buffers()
2038{
Christopher Faulet0132d062017-07-26 15:33:35 +02002039 logline = my_realloc2(logline, global.max_syslog_len + 1);
2040 logline_rfc5424 = my_realloc2(logline_rfc5424, global.max_syslog_len + 1);
Emeric Brun54648852020-07-06 15:54:06 +02002041 if (!logline || !logline_rfc5424)
Christopher Faulet0132d062017-07-26 15:33:35 +02002042 return 0;
2043 return 1;
2044}
2045
2046/* Deinitialize log buffers used for syslog messages */
2047void deinit_log_buffers()
2048{
Christopher Faulet0132d062017-07-26 15:33:35 +02002049 free(logline);
2050 free(logline_rfc5424);
Willy Tarreau869efd52019-11-15 15:16:57 +01002051 ring_free(_HA_ATOMIC_XCHG(&startup_logs, NULL));
Christopher Faulet0132d062017-07-26 15:33:35 +02002052 logline = NULL;
2053 logline_rfc5424 = NULL;
2054}
2055
Willy Tarreaudf974472012-12-28 02:44:01 +01002056/* Builds a log line in <dst> based on <list_format>, and stops before reaching
2057 * <maxsize> characters. Returns the size of the output string in characters,
2058 * not counting the trailing zero which is always added if the resulting size
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002059 * is not zero. It requires a valid session and optionally a stream. If the
2060 * stream is NULL, default values will be assumed for the stream part.
Willy Tarreaudf974472012-12-28 02:44:01 +01002061 */
Willy Tarreau43c538e2018-09-05 14:58:15 +02002062int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t maxsize, struct list *list_format)
Willy Tarreaubaaee002006-06-26 02:48:02 +02002063{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002064 struct proxy *fe = sess->fe;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002065 struct proxy *be;
2066 struct http_txn *txn;
2067 const struct strm_logs *logs;
Willy Tarreau8fa99842019-07-17 11:47:11 +02002068 struct connection *be_conn;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002069 unsigned int s_flags;
2070 unsigned int uniq_id;
Willy Tarreau83061a82018-07-13 11:56:34 +02002071 struct buffer chunk;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002072 char *uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002073 char *spc;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002074 char *qmark;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002075 char *end;
Willy Tarreaufe944602007-10-25 10:34:16 +02002076 struct tm tm;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002077 int t_request;
2078 int hdr;
2079 int last_isspace = 1;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002080 int nspaces = 0;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01002081 char *tmplog;
William Lallemand1d705562012-03-12 12:46:41 +01002082 char *ret;
2083 int iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002084 struct logformat_node *tmp;
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002085 struct timeval tv;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002086 struct strm_logs tmp_strm_log;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002087
William Lallemandbddd4fd2012-02-27 11:23:10 +01002088 /* FIXME: let's limit ourselves to frontend logging for now. */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002089
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002090 if (likely(s)) {
2091 be = s->be;
2092 txn = s->txn;
2093 be_conn = cs_conn(objt_cs(s->si[1].end));
2094 s_flags = s->flags;
2095 uniq_id = s->uniq_id;
2096 logs = &s->logs;
2097 } else {
2098 /* we have no stream so we first need to initialize a few
2099 * things that are needed later. We do increment the request
2100 * ID so that it's uniquely assigned to this request just as
2101 * if the request had reached the point of being processed.
2102 * A request error is reported as it's the only element we have
2103 * here and which justifies emitting such a log.
2104 */
2105 be = fe;
2106 txn = NULL;
2107 be_conn = NULL;
2108 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
Olivier Houchardd2ee3e72019-03-08 18:53:21 +01002109 uniq_id = _HA_ATOMIC_XADD(&global.req_count, 1);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002110
2111 /* prepare a valid log structure */
2112 tmp_strm_log.tv_accept = sess->tv_accept;
2113 tmp_strm_log.accept_date = sess->accept_date;
2114 tmp_strm_log.t_handshake = sess->t_handshake;
2115 tmp_strm_log.t_idle = tv_ms_elapsed(&sess->tv_accept, &now) - sess->t_handshake;
2116 tv_zero(&tmp_strm_log.tv_request);
2117 tmp_strm_log.t_queue = -1;
2118 tmp_strm_log.t_connect = -1;
2119 tmp_strm_log.t_data = -1;
2120 tmp_strm_log.t_close = tv_ms_elapsed(&sess->tv_accept, &now);
2121 tmp_strm_log.bytes_in = 0;
2122 tmp_strm_log.bytes_out = 0;
2123 tmp_strm_log.prx_queue_pos = 0;
2124 tmp_strm_log.srv_queue_pos = 0;
2125
2126 logs = &tmp_strm_log;
2127 }
2128
William Lallemandbddd4fd2012-02-27 11:23:10 +01002129 t_request = -1;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002130 if (tv_isge(&logs->tv_request, &logs->tv_accept))
2131 t_request = tv_ms_elapsed(&logs->tv_accept, &logs->tv_request);
William Lallemandbddd4fd2012-02-27 11:23:10 +01002132
William Lallemand1d705562012-03-12 12:46:41 +01002133 tmplog = dst;
Willy Tarreauc9bd0cc2009-05-10 11:57:02 +02002134
William Lallemandbddd4fd2012-02-27 11:23:10 +01002135 /* fill logbuffer */
William Lallemand1d705562012-03-12 12:46:41 +01002136 if (LIST_ISEMPTY(list_format))
2137 return 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002138
William Lallemand1d705562012-03-12 12:46:41 +01002139 list_for_each_entry(tmp, list_format, list) {
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002140 struct connection *conn;
Willy Tarreau4f653562012-10-12 19:48:16 +02002141 const char *src = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +01002142 struct sample *key;
Willy Tarreau83061a82018-07-13 11:56:34 +02002143 const struct buffer empty = { };
William Lallemandbddd4fd2012-02-27 11:23:10 +01002144
Willy Tarreauc8368452012-12-21 00:09:23 +01002145 switch (tmp->type) {
William Lallemand1d705562012-03-12 12:46:41 +01002146 case LOG_FMT_SEPARATOR:
William Lallemandbddd4fd2012-02-27 11:23:10 +01002147 if (!last_isspace) {
2148 LOGCHAR(' ');
2149 last_isspace = 1;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002150 }
2151 break;
2152
William Lallemand1d705562012-03-12 12:46:41 +01002153 case LOG_FMT_TEXT: // text
William Lallemandbddd4fd2012-02-27 11:23:10 +01002154 src = tmp->arg;
William Lallemand5f232402012-04-05 18:02:55 +02002155 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002156 if (iret == 0)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002157 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002158 tmplog += iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002159 last_isspace = 0;
2160 break;
2161
Willy Tarreauc8368452012-12-21 00:09:23 +01002162 case LOG_FMT_EXPR: // sample expression, may be request or response
2163 key = NULL;
Christopher Faulet5f940702020-04-06 10:40:02 +02002164 if (tmp->options & LOG_OPT_REQ_CAP)
Adis Nezirovic79beb242015-07-06 15:41:02 +02002165 key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
Christopher Faulet5f940702020-04-06 10:40:02 +02002166 if (!key && (tmp->options & LOG_OPT_RES_CAP))
Adis Nezirovic79beb242015-07-06 15:41:02 +02002167 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 +01002168 if (tmp->options & LOG_OPT_HTTP)
Dragan Dosen835b9212016-02-12 13:23:03 +01002169 ret = lf_encode_chunk(tmplog, dst + maxsize,
2170 '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01002171 else
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002172 ret = lf_text_len(tmplog,
2173 key ? key->data.u.str.area : NULL,
2174 key ? key->data.u.str.data : 0,
2175 dst + maxsize - tmplog,
2176 tmp);
Willy Tarreauc8368452012-12-21 00:09:23 +01002177 if (ret == 0)
2178 goto out;
2179 tmplog = ret;
2180 last_isspace = 0;
2181 break;
2182
Willy Tarreau2beef582012-12-20 17:22:52 +01002183 case LOG_FMT_CLIENTIP: // %ci
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002184 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002185 if (conn && conn_get_src(conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002186 ret = lf_ip(tmplog, (struct sockaddr *)conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002187 else
2188 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002189 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002190 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002191 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002192 last_isspace = 0;
2193 break;
2194
Willy Tarreau2beef582012-12-20 17:22:52 +01002195 case LOG_FMT_CLIENTPORT: // %cp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002196 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002197 if (conn && conn_get_src(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002198 if (conn->src->ss_family == AF_UNIX) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002199 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002200 } else {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002201 ret = lf_port(tmplog, (struct sockaddr *)conn->src,
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002202 dst + maxsize - tmplog, tmp);
2203 }
William Lallemand5f232402012-04-05 18:02:55 +02002204 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002205 else
2206 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2207
William Lallemand5f232402012-04-05 18:02:55 +02002208 if (ret == NULL)
2209 goto out;
2210 tmplog = ret;
2211 last_isspace = 0;
2212 break;
2213
Willy Tarreau2beef582012-12-20 17:22:52 +01002214 case LOG_FMT_FRONTENDIP: // %fi
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002215 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002216 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002217 ret = lf_ip(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002218 }
2219 else
2220 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2221
William Lallemand1d705562012-03-12 12:46:41 +01002222 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002223 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002224 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002225 last_isspace = 0;
2226 break;
2227
Willy Tarreau2beef582012-12-20 17:22:52 +01002228 case LOG_FMT_FRONTENDPORT: // %fp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002229 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002230 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002231 if (conn->dst->ss_family == AF_UNIX)
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002232 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002233 else
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002234 ret = lf_port(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
William Lallemand5f232402012-04-05 18:02:55 +02002235 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002236 else
2237 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2238
William Lallemand5f232402012-04-05 18:02:55 +02002239 if (ret == NULL)
2240 goto out;
2241 tmplog = ret;
2242 last_isspace = 0;
2243 break;
2244
Willy Tarreau2beef582012-12-20 17:22:52 +01002245 case LOG_FMT_BACKENDIP: // %bi
Willy Tarreau8fa99842019-07-17 11:47:11 +02002246 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002247 ret = lf_ip(tmplog, (const struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002248 else
2249 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2250
William Lallemand1d705562012-03-12 12:46:41 +01002251 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002252 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002253 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002254 last_isspace = 0;
2255 break;
2256
Willy Tarreau2beef582012-12-20 17:22:52 +01002257 case LOG_FMT_BACKENDPORT: // %bp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002258 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002259 ret = lf_port(tmplog, (struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002260 else
2261 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2262
William Lallemand5f232402012-04-05 18:02:55 +02002263 if (ret == NULL)
2264 goto out;
2265 tmplog = ret;
2266 last_isspace = 0;
2267 break;
2268
Willy Tarreau2beef582012-12-20 17:22:52 +01002269 case LOG_FMT_SERVERIP: // %si
Willy Tarreau8fa99842019-07-17 11:47:11 +02002270 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002271 ret = lf_ip(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002272 else
2273 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2274
William Lallemand5f232402012-04-05 18:02:55 +02002275 if (ret == NULL)
2276 goto out;
2277 tmplog = ret;
2278 last_isspace = 0;
2279 break;
2280
Willy Tarreau2beef582012-12-20 17:22:52 +01002281 case LOG_FMT_SERVERPORT: // %sp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002282 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002283 ret = lf_port(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002284 else
2285 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2286
William Lallemand1d705562012-03-12 12:46:41 +01002287 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002288 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002289 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002290 last_isspace = 0;
2291 break;
2292
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002293 case LOG_FMT_DATE: // %t = accept date
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002294 get_localtime(logs->accept_date.tv_sec, &tm);
2295 ret = date2str_log(tmplog, &tm, &logs->accept_date, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002296 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002297 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002298 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002299 last_isspace = 0;
2300 break;
2301
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002302 case LOG_FMT_tr: // %tr = start of request date
2303 /* Note that the timers are valid if we get here */
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002304 tv_ms_add(&tv, &logs->accept_date, logs->t_idle >= 0 ? logs->t_idle + logs->t_handshake : 0);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002305 get_localtime(tv.tv_sec, &tm);
2306 ret = date2str_log(tmplog, &tm, &tv, dst + maxsize - tmplog);
2307 if (ret == NULL)
2308 goto out;
2309 tmplog = ret;
2310 last_isspace = 0;
2311 break;
2312
2313 case LOG_FMT_DATEGMT: // %T = accept date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002314 get_gmtime(logs->accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02002315 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002316 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002317 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002318 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002319 last_isspace = 0;
2320 break;
2321
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002322 case LOG_FMT_trg: // %trg = start of request date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002323 tv_ms_add(&tv, &logs->accept_date, logs->t_idle >= 0 ? logs->t_idle + logs->t_handshake : 0);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002324 get_gmtime(tv.tv_sec, &tm);
2325 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
2326 if (ret == NULL)
2327 goto out;
2328 tmplog = ret;
2329 last_isspace = 0;
2330 break;
2331
2332 case LOG_FMT_DATELOCAL: // %Tl = accept date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002333 get_localtime(logs->accept_date.tv_sec, &tm);
2334 ret = localdate2str_log(tmplog, logs->accept_date.tv_sec, &tm, dst + maxsize - tmplog);
Yuxans Yao4e25b012012-10-19 10:36:09 +08002335 if (ret == NULL)
2336 goto out;
2337 tmplog = ret;
2338 last_isspace = 0;
2339 break;
2340
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002341 case LOG_FMT_trl: // %trl = start of request date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002342 tv_ms_add(&tv, &logs->accept_date, logs->t_idle >= 0 ? logs->t_idle + logs->t_handshake : 0);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002343 get_localtime(tv.tv_sec, &tm);
2344 ret = localdate2str_log(tmplog, tv.tv_sec, &tm, dst + maxsize - tmplog);
2345 if (ret == NULL)
2346 goto out;
2347 tmplog = ret;
2348 last_isspace = 0;
2349 break;
2350
William Lallemand5f232402012-04-05 18:02:55 +02002351 case LOG_FMT_TS: // %Ts
William Lallemand5f232402012-04-05 18:02:55 +02002352 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002353 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", (unsigned int)logs->accept_date.tv_sec);
William Lallemand5f232402012-04-05 18:02:55 +02002354 if (iret < 0 || iret > dst + maxsize - tmplog)
2355 goto out;
2356 last_isspace = 0;
2357 tmplog += iret;
2358 } else {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002359 ret = ltoa_o(logs->accept_date.tv_sec, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002360 if (ret == NULL)
2361 goto out;
2362 tmplog = ret;
2363 last_isspace = 0;
2364 }
2365 break;
2366
William Lallemand1d705562012-03-12 12:46:41 +01002367 case LOG_FMT_MS: // %ms
William Lallemand5f232402012-04-05 18:02:55 +02002368 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002369 iret = snprintf(tmplog, dst + maxsize - tmplog, "%02X",(unsigned int)logs->accept_date.tv_usec/1000);
William Lallemand5f232402012-04-05 18:02:55 +02002370 if (iret < 0 || iret > dst + maxsize - tmplog)
2371 goto out;
2372 last_isspace = 0;
2373 tmplog += iret;
2374 } else {
2375 if ((dst + maxsize - tmplog) < 4)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002376 goto out;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002377 ret = utoa_pad((unsigned int)logs->accept_date.tv_usec/1000,
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002378 tmplog, 4);
2379 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002380 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002381 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002382 last_isspace = 0;
William Lallemand5f232402012-04-05 18:02:55 +02002383 }
2384 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002385
William Lallemand1d705562012-03-12 12:46:41 +01002386 case LOG_FMT_FRONTEND: // %f
William Lallemandbddd4fd2012-02-27 11:23:10 +01002387 src = fe->id;
William Lallemand5f232402012-04-05 18:02:55 +02002388 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002389 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002390 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002391 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002392 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002393 break;
2394
Willy Tarreau773d65f2012-10-12 14:56:11 +02002395 case LOG_FMT_FRONTEND_XPRT: // %ft
2396 src = fe->id;
2397 if (tmp->options & LOG_OPT_QUOTE)
2398 LOGCHAR('"');
2399 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
2400 if (iret == 0)
2401 goto out;
2402 tmplog += iret;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01002403 if (sess->listener->bind_conf->xprt == xprt_get(XPRT_SSL))
Willy Tarreau773d65f2012-10-12 14:56:11 +02002404 LOGCHAR('~');
Willy Tarreau773d65f2012-10-12 14:56:11 +02002405 if (tmp->options & LOG_OPT_QUOTE)
2406 LOGCHAR('"');
2407 last_isspace = 0;
2408 break;
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002409#ifdef USE_OPENSSL
2410 case LOG_FMT_SSL_CIPHER: // %sslc
2411 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002412 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002413 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002414 src = ssl_sock_get_cipher_name(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002415 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002416 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2417 if (ret == NULL)
2418 goto out;
2419 tmplog = ret;
2420 last_isspace = 0;
2421 break;
Willy Tarreau773d65f2012-10-12 14:56:11 +02002422
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002423 case LOG_FMT_SSL_VERSION: // %sslv
2424 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002425 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002426 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002427 src = ssl_sock_get_proto_version(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002428 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002429 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2430 if (ret == NULL)
2431 goto out;
2432 tmplog = ret;
2433 last_isspace = 0;
2434 break;
2435#endif
William Lallemand1d705562012-03-12 12:46:41 +01002436 case LOG_FMT_BACKEND: // %b
William Lallemandbddd4fd2012-02-27 11:23:10 +01002437 src = be->id;
William Lallemand5f232402012-04-05 18:02:55 +02002438 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002439 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002440 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002441 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002442 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002443 break;
2444
William Lallemand1d705562012-03-12 12:46:41 +01002445 case LOG_FMT_SERVER: // %s
Willy Tarreaue1809df2018-09-05 15:30:16 +02002446 switch (obj_type(s ? s->target : NULL)) {
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002447 case OBJ_TYPE_SERVER:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002448 src = __objt_server(s->target)->id;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002449 break;
2450 case OBJ_TYPE_APPLET:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002451 src = __objt_applet(s->target)->name;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002452 break;
2453 default:
2454 src = "<NOSRV>";
2455 break;
2456 }
William Lallemand5f232402012-04-05 18:02:55 +02002457 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002458 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002459 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002460 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002461 last_isspace = 0;
2462 break;
2463
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002464 case LOG_FMT_Th: // %Th = handshake time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002465 ret = ltoa_o(logs->t_handshake, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002466 if (ret == NULL)
2467 goto out;
2468 tmplog = ret;
2469 last_isspace = 0;
2470 break;
2471
2472 case LOG_FMT_Ti: // %Ti = HTTP idle time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002473 ret = ltoa_o(logs->t_idle, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002474 if (ret == NULL)
2475 goto out;
2476 tmplog = ret;
2477 last_isspace = 0;
2478 break;
2479
2480 case LOG_FMT_TR: // %TR = HTTP request time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002481 ret = ltoa_o((t_request >= 0) ? t_request - logs->t_idle - logs->t_handshake : -1,
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002482 tmplog, dst + maxsize - tmplog);
2483 if (ret == NULL)
2484 goto out;
2485 tmplog = ret;
2486 last_isspace = 0;
2487 break;
2488
2489 case LOG_FMT_TQ: // %Tq = Th + Ti + TR
William Lallemand5f232402012-04-05 18:02:55 +02002490 ret = ltoa_o(t_request, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002491 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002492 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002493 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002494 last_isspace = 0;
2495 break;
2496
William Lallemand1d705562012-03-12 12:46:41 +01002497 case LOG_FMT_TW: // %Tw
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002498 ret = ltoa_o((logs->t_queue >= 0) ? logs->t_queue - t_request : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002499 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002500 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002501 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002502 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002503 last_isspace = 0;
2504 break;
2505
William Lallemand1d705562012-03-12 12:46:41 +01002506 case LOG_FMT_TC: // %Tc
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002507 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_connect - logs->t_queue : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002508 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002509 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002510 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002511 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002512 last_isspace = 0;
2513 break;
2514
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002515 case LOG_FMT_Tr: // %Tr
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002516 ret = ltoa_o((logs->t_data >= 0) ? logs->t_data - logs->t_connect : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002517 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002518 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002519 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002520 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002521 last_isspace = 0;
2522 break;
2523
Willy Tarreau27b639d2016-05-17 17:55:27 +02002524 case LOG_FMT_TD: // %Td
Willy Tarreaua21c0e62018-09-05 15:07:15 +02002525 if (be->mode == PR_MODE_HTTP)
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002526 ret = ltoa_o((logs->t_data >= 0) ? logs->t_close - logs->t_data : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002527 tmplog, dst + maxsize - tmplog);
2528 else
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002529 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_close - logs->t_connect : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002530 tmplog, dst + maxsize - tmplog);
2531 if (ret == NULL)
2532 goto out;
2533 tmplog = ret;
2534 last_isspace = 0;
2535 break;
2536
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002537 case LOG_FMT_Ta: // %Ta = active time = Tt - Th - Ti
2538 if (!(fe->to_log & LW_BYTES))
2539 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002540 ret = ltoa_o(logs->t_close - (logs->t_idle >= 0 ? logs->t_idle + logs->t_handshake : 0),
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002541 tmplog, dst + maxsize - tmplog);
2542 if (ret == NULL)
2543 goto out;
2544 tmplog = ret;
2545 last_isspace = 0;
2546 break;
2547
2548 case LOG_FMT_TT: // %Tt = total time
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002549 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002550 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002551 ret = ltoa_o(logs->t_close, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002552 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002553 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002554 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002555 last_isspace = 0;
2556 break;
2557
Damien Claisse57c8eb92020-04-28 12:09:19 +00002558 case LOG_FMT_TU: // %Tu = total time seen by user = Tt - Ti
2559 if (!(fe->to_log & LW_BYTES))
2560 LOGCHAR('+');
2561 ret = ltoa_o(logs->t_close - (logs->t_idle >= 0 ? logs->t_idle : 0),
2562 tmplog, dst + maxsize - tmplog);
2563 if (ret == NULL)
2564 goto out;
2565 tmplog = ret;
2566 last_isspace = 0;
2567 break;
2568
Willy Tarreau2beef582012-12-20 17:22:52 +01002569 case LOG_FMT_STATUS: // %ST
Willy Tarreau57bc8912016-04-25 17:09:40 +02002570 ret = ltoa_o(txn ? txn->status : 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002571 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002572 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002573 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002574 last_isspace = 0;
2575 break;
2576
William Lallemand1d705562012-03-12 12:46:41 +01002577 case LOG_FMT_BYTES: // %B
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002578 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002579 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002580 ret = lltoa(logs->bytes_out, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002581 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002582 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002583 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002584 last_isspace = 0;
2585 break;
2586
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002587 case LOG_FMT_BYTES_UP: // %U
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002588 ret = lltoa(logs->bytes_in, tmplog, dst + maxsize - tmplog);
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002589 if (ret == NULL)
2590 goto out;
2591 tmplog = ret;
2592 last_isspace = 0;
2593 break;
2594
Willy Tarreau2beef582012-12-20 17:22:52 +01002595 case LOG_FMT_CCLIENT: // %CC
Willy Tarreau57bc8912016-04-25 17:09:40 +02002596 src = txn ? txn->cli_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002597 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002598 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002599 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002600 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002601 last_isspace = 0;
2602 break;
2603
Willy Tarreau2beef582012-12-20 17:22:52 +01002604 case LOG_FMT_CSERVER: // %CS
Willy Tarreau57bc8912016-04-25 17:09:40 +02002605 src = txn ? txn->srv_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002606 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002607 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002608 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002609 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002610 last_isspace = 0;
2611 break;
2612
William Lallemand1d705562012-03-12 12:46:41 +01002613 case LOG_FMT_TERMSTATE: // %ts
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002614 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2615 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau6580c062012-03-12 15:09:42 +01002616 *tmplog = '\0';
2617 last_isspace = 0;
2618 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002619
William Lallemand1d705562012-03-12 12:46:41 +01002620 case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002621 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2622 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau57bc8912016-04-25 17:09:40 +02002623 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
2624 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 +01002625 last_isspace = 0;
2626 break;
2627
William Lallemand1d705562012-03-12 12:46:41 +01002628 case LOG_FMT_ACTCONN: // %ac
William Lallemand5f232402012-04-05 18:02:55 +02002629 ret = ltoa_o(actconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002630 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002631 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002632 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002633 last_isspace = 0;
2634 break;
2635
William Lallemand1d705562012-03-12 12:46:41 +01002636 case LOG_FMT_FECONN: // %fc
William Lallemand5f232402012-04-05 18:02:55 +02002637 ret = ltoa_o(fe->feconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002638 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002639 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002640 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002641 last_isspace = 0;
2642 break;
2643
William Lallemand1d705562012-03-12 12:46:41 +01002644 case LOG_FMT_BECONN: // %bc
William Lallemand5f232402012-04-05 18:02:55 +02002645 ret = ltoa_o(be->beconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002646 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002647 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002648 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002649 last_isspace = 0;
2650 break;
2651
William Lallemand1d705562012-03-12 12:46:41 +01002652 case LOG_FMT_SRVCONN: // %sc
Willy Tarreaue1809df2018-09-05 15:30:16 +02002653 ret = ultoa_o(objt_server(s ? s->target : NULL) ?
Willy Tarreau3fdb3662012-11-12 00:42:33 +01002654 objt_server(s->target)->cur_sess :
William Lallemand5f232402012-04-05 18:02:55 +02002655 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002656 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002657 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002658 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002659 last_isspace = 0;
2660 break;
2661
William Lallemand1d705562012-03-12 12:46:41 +01002662 case LOG_FMT_RETRIES: // %rq
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002663 if (s_flags & SF_REDISP)
William Lallemand1d705562012-03-12 12:46:41 +01002664 LOGCHAR('+');
Willy Tarreauabd71a52018-09-04 19:21:44 +02002665 ret = ltoa_o((s && s->si[1].conn_retries > 0) ?
Willy Tarreau350f4872014-11-28 14:42:25 +01002666 (be->conn_retries - s->si[1].conn_retries) :
William Lallemand5f232402012-04-05 18:02:55 +02002667 be->conn_retries, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002668 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002669 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002670 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002671 last_isspace = 0;
2672 break;
2673
William Lallemand1d705562012-03-12 12:46:41 +01002674 case LOG_FMT_SRVQUEUE: // %sq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002675 ret = ltoa_o(logs->srv_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002676 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002677 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002678 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002679 last_isspace = 0;
2680 break;
2681
William Lallemand1d705562012-03-12 12:46:41 +01002682 case LOG_FMT_BCKQUEUE: // %bq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002683 ret = ltoa_o(logs->prx_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002684 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002685 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002686 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002687 last_isspace = 0;
2688 break;
2689
William Lallemand1d705562012-03-12 12:46:41 +01002690 case LOG_FMT_HDRREQUEST: // %hr
William Lallemandbddd4fd2012-02-27 11:23:10 +01002691 /* request header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002692 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002693 if (tmp->options & LOG_OPT_QUOTE)
2694 LOGCHAR('"');
2695 LOGCHAR('{');
2696 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2697 if (hdr)
2698 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002699 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002700 ret = lf_encode_string(tmplog, dst + maxsize,
2701 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002702 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002703 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002704 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002705 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002706 }
2707 LOGCHAR('}');
William Lallemand51b5dca2012-03-26 17:52:55 +02002708 if (tmp->options & LOG_OPT_QUOTE)
2709 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002710 last_isspace = 0;
2711 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002712 break;
2713
William Lallemand1d705562012-03-12 12:46:41 +01002714 case LOG_FMT_HDRREQUESTLIST: // %hrl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002715 /* request header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002716 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002717 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2718 if (hdr > 0)
2719 LOGCHAR(' ');
2720 if (tmp->options & LOG_OPT_QUOTE)
2721 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002722 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002723 ret = lf_encode_string(tmplog, dst + maxsize,
2724 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002725 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002726 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002727 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002728 } else if (!(tmp->options & LOG_OPT_QUOTE))
2729 LOGCHAR('-');
2730 if (tmp->options & LOG_OPT_QUOTE)
2731 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002732 last_isspace = 0;
2733 }
2734 }
2735 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002736
William Lallemand1d705562012-03-12 12:46:41 +01002737
2738 case LOG_FMT_HDRRESPONS: // %hs
William Lallemandbddd4fd2012-02-27 11:23:10 +01002739 /* response header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002740 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002741 if (tmp->options & LOG_OPT_QUOTE)
2742 LOGCHAR('"');
2743 LOGCHAR('{');
2744 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2745 if (hdr)
2746 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002747 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002748 ret = lf_encode_string(tmplog, dst + maxsize,
2749 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002750 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002751 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002752 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002753 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002754 }
2755 LOGCHAR('}');
2756 last_isspace = 0;
2757 if (tmp->options & LOG_OPT_QUOTE)
2758 LOGCHAR('"');
2759 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002760 break;
2761
William Lallemand1d705562012-03-12 12:46:41 +01002762 case LOG_FMT_HDRRESPONSLIST: // %hsl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002763 /* response header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002764 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002765 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2766 if (hdr > 0)
2767 LOGCHAR(' ');
2768 if (tmp->options & LOG_OPT_QUOTE)
2769 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002770 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002771 ret = lf_encode_string(tmplog, dst + maxsize,
2772 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002773 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002774 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002775 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002776 } else if (!(tmp->options & LOG_OPT_QUOTE))
2777 LOGCHAR('-');
2778 if (tmp->options & LOG_OPT_QUOTE)
2779 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002780 last_isspace = 0;
2781 }
2782 }
2783 break;
2784
William Lallemand1d705562012-03-12 12:46:41 +01002785 case LOG_FMT_REQ: // %r
William Lallemandbddd4fd2012-02-27 11:23:10 +01002786 /* Request */
2787 if (tmp->options & LOG_OPT_QUOTE)
2788 LOGCHAR('"');
Willy Tarreau57bc8912016-04-25 17:09:40 +02002789 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Dragan Dosen835b9212016-02-12 13:23:03 +01002790 ret = lf_encode_string(tmplog, dst + maxsize,
2791 '#', url_encode_map, uri, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002792 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002793 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002794 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002795 if (tmp->options & LOG_OPT_QUOTE)
2796 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002797 last_isspace = 0;
2798 break;
William Lallemand5f232402012-04-05 18:02:55 +02002799
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002800 case LOG_FMT_HTTP_PATH: // %HP
Willy Tarreau57bc8912016-04-25 17:09:40 +02002801 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002802
Willy Tarreaub7636d12015-06-17 19:58:02 +02002803 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002804 LOGCHAR('"');
2805
2806 end = uri + strlen(uri);
2807 // look for the first whitespace character
2808 while (uri < end && !HTTP_IS_SPHT(*uri))
2809 uri++;
2810
2811 // keep advancing past multiple spaces
2812 while (uri < end && HTTP_IS_SPHT(*uri)) {
2813 uri++; nspaces++;
2814 }
2815
2816 // look for first space or question mark after url
2817 spc = uri;
2818 while (spc < end && *spc != '?' && !HTTP_IS_SPHT(*spc))
2819 spc++;
2820
Nenad Merdanovic54e439f2016-04-26 01:39:02 +02002821 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002822 chunk.area = "<BADREQ>";
2823 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002824 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002825 chunk.area = uri;
2826 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002827 }
2828
Dragan Dosen835b9212016-02-12 13:23:03 +01002829 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002830 if (ret == NULL || *ret != '\0')
2831 goto out;
2832
2833 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002834 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002835 LOGCHAR('"');
2836
2837 last_isspace = 0;
2838 break;
2839
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002840 case LOG_FMT_HTTP_QUERY: // %HQ
2841 if (tmp->options & LOG_OPT_QUOTE)
2842 LOGCHAR('"');
2843
Willy Tarreau57bc8912016-04-25 17:09:40 +02002844 if (!txn || !txn->uri) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002845 chunk.area = "<BADREQ>";
2846 chunk.data = strlen("<BADREQ>");
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002847 } else {
2848 uri = txn->uri;
2849 end = uri + strlen(uri);
2850 // look for the first question mark
2851 while (uri < end && *uri != '?')
2852 uri++;
2853
2854 qmark = uri;
2855 // look for first space or question mark after url
2856 while (uri < end && !HTTP_IS_SPHT(*uri))
2857 uri++;
2858
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002859 chunk.area = qmark;
2860 chunk.data = uri - qmark;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002861 }
2862
Dragan Dosen835b9212016-02-12 13:23:03 +01002863 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002864 if (ret == NULL || *ret != '\0')
2865 goto out;
2866
2867 tmplog = ret;
2868 if (tmp->options & LOG_OPT_QUOTE)
2869 LOGCHAR('"');
2870
2871 last_isspace = 0;
2872 break;
2873
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002874 case LOG_FMT_HTTP_URI: // %HU
Willy Tarreau57bc8912016-04-25 17:09:40 +02002875 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002876
Willy Tarreaub7636d12015-06-17 19:58:02 +02002877 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002878 LOGCHAR('"');
2879
2880 end = uri + strlen(uri);
2881 // look for the first whitespace character
2882 while (uri < end && !HTTP_IS_SPHT(*uri))
2883 uri++;
2884
2885 // keep advancing past multiple spaces
2886 while (uri < end && HTTP_IS_SPHT(*uri)) {
2887 uri++; nspaces++;
2888 }
2889
2890 // look for first space after url
2891 spc = uri;
2892 while (spc < end && !HTTP_IS_SPHT(*spc))
2893 spc++;
2894
Willy Tarreau57bc8912016-04-25 17:09:40 +02002895 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002896 chunk.area = "<BADREQ>";
2897 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002898 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002899 chunk.area = uri;
2900 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002901 }
2902
Dragan Dosen835b9212016-02-12 13:23:03 +01002903 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002904 if (ret == NULL || *ret != '\0')
2905 goto out;
2906
2907 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002908 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002909 LOGCHAR('"');
2910
2911 last_isspace = 0;
2912 break;
2913
2914 case LOG_FMT_HTTP_METHOD: // %HM
Willy Tarreau57bc8912016-04-25 17:09:40 +02002915 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002916 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002917 LOGCHAR('"');
2918
2919 end = uri + strlen(uri);
2920 // look for the first whitespace character
2921 spc = uri;
2922 while (spc < end && !HTTP_IS_SPHT(*spc))
2923 spc++;
2924
2925 if (spc == end) { // odd case, we have txn->uri, but we only got a verb
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002926 chunk.area = "<BADREQ>";
2927 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002928 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002929 chunk.area = uri;
2930 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002931 }
2932
Dragan Dosen835b9212016-02-12 13:23:03 +01002933 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002934 if (ret == NULL || *ret != '\0')
2935 goto out;
2936
2937 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002938 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002939 LOGCHAR('"');
2940
2941 last_isspace = 0;
2942 break;
2943
2944 case LOG_FMT_HTTP_VERSION: // %HV
Willy Tarreau57bc8912016-04-25 17:09:40 +02002945 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002946 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002947 LOGCHAR('"');
2948
2949 end = uri + strlen(uri);
2950 // look for the first whitespace character
2951 while (uri < end && !HTTP_IS_SPHT(*uri))
2952 uri++;
2953
2954 // keep advancing past multiple spaces
2955 while (uri < end && HTTP_IS_SPHT(*uri)) {
2956 uri++; nspaces++;
2957 }
2958
2959 // look for the next whitespace character
2960 while (uri < end && !HTTP_IS_SPHT(*uri))
2961 uri++;
2962
2963 // keep advancing past multiple spaces
2964 while (uri < end && HTTP_IS_SPHT(*uri))
2965 uri++;
2966
Willy Tarreau57bc8912016-04-25 17:09:40 +02002967 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002968 chunk.area = "<BADREQ>";
2969 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002970 } else if (uri == end) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002971 chunk.area = "HTTP/0.9";
2972 chunk.data = strlen("HTTP/0.9");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002973 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002974 chunk.area = uri;
2975 chunk.data = end - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002976 }
2977
Dragan Dosen835b9212016-02-12 13:23:03 +01002978 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002979 if (ret == NULL || *ret != '\0')
2980 goto out;
2981
2982 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002983 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002984 LOGCHAR('"');
2985
2986 last_isspace = 0;
2987 break;
2988
William Lallemand5f232402012-04-05 18:02:55 +02002989 case LOG_FMT_COUNTER: // %rt
2990 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau5cacab62018-09-05 15:52:59 +02002991 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", uniq_id);
William Lallemand5f232402012-04-05 18:02:55 +02002992 if (iret < 0 || iret > dst + maxsize - tmplog)
2993 goto out;
2994 last_isspace = 0;
2995 tmplog += iret;
2996 } else {
Willy Tarreau5cacab62018-09-05 15:52:59 +02002997 ret = ltoa_o(uniq_id, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002998 if (ret == NULL)
2999 goto out;
3000 tmplog = ret;
3001 last_isspace = 0;
3002 }
3003 break;
3004
Willy Tarreau7346acb2014-08-28 15:03:15 +02003005 case LOG_FMT_LOGCNT: // %lc
3006 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003007 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", fe->log_count);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003008 if (iret < 0 || iret > dst + maxsize - tmplog)
3009 goto out;
3010 last_isspace = 0;
3011 tmplog += iret;
3012 } else {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003013 ret = ultoa_o(fe->log_count, tmplog, dst + maxsize - tmplog);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003014 if (ret == NULL)
3015 goto out;
3016 tmplog = ret;
3017 last_isspace = 0;
3018 }
3019 break;
3020
William Lallemand5f232402012-04-05 18:02:55 +02003021 case LOG_FMT_HOSTNAME: // %H
3022 src = hostname;
3023 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
3024 if (ret == NULL)
3025 goto out;
3026 tmplog = ret;
3027 last_isspace = 0;
3028 break;
3029
3030 case LOG_FMT_PID: // %pid
3031 if (tmp->options & LOG_OPT_HEXA) {
3032 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", pid);
3033 if (iret < 0 || iret > dst + maxsize - tmplog)
3034 goto out;
3035 last_isspace = 0;
3036 tmplog += iret;
3037 } else {
3038 ret = ltoa_o(pid, tmplog, dst + maxsize - tmplog);
3039 if (ret == NULL)
3040 goto out;
3041 tmplog = ret;
3042 last_isspace = 0;
3043 }
3044 break;
William Lallemanda73203e2012-03-12 12:48:57 +01003045
3046 case LOG_FMT_UNIQUEID: // %ID
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003047 ret = NULL;
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003048 if (s)
3049 ret = lf_text_len(tmplog, s->unique_id.ptr, s->unique_id.len, maxsize - (tmplog - dst), tmp);
3050 else
3051 ret = lf_text_len(tmplog, NULL, 0, maxsize - (tmplog - dst), tmp);
William Lallemanda73203e2012-03-12 12:48:57 +01003052 if (ret == NULL)
3053 goto out;
3054 tmplog = ret;
3055 last_isspace = 0;
3056 break;
3057
William Lallemandbddd4fd2012-02-27 11:23:10 +01003058 }
3059 }
3060
3061out:
William Lallemand1d705562012-03-12 12:46:41 +01003062 /* *tmplog is a unused character */
3063 *tmplog = '\0';
Willy Tarreaudf974472012-12-28 02:44:01 +01003064 return tmplog - dst;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003065
Willy Tarreaubaaee002006-06-26 02:48:02 +02003066}
3067
William Lallemand1d705562012-03-12 12:46:41 +01003068/*
Willy Tarreau87b09662015-04-03 00:22:06 +02003069 * send a log for the stream when we have enough info about it.
William Lallemand1d705562012-03-12 12:46:41 +01003070 * Will not log if the frontend has no log defined.
3071 */
Willy Tarreau87b09662015-04-03 00:22:06 +02003072void strm_log(struct stream *s)
William Lallemand1d705562012-03-12 12:46:41 +01003073{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003074 struct session *sess = s->sess;
William Lallemand1d705562012-03-12 12:46:41 +01003075 int size, err, level;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003076 int sd_size = 0;
William Lallemand1d705562012-03-12 12:46:41 +01003077
3078 /* if we don't want to log normal traffic, return now */
Willy Tarreaue7dff022015-04-03 01:14:29 +02003079 err = (s->flags & SF_REDISP) ||
3080 ((s->flags & SF_ERR_MASK) > SF_ERR_LOCAL) ||
3081 (((s->flags & SF_ERR_MASK) == SF_ERR_NONE) &&
Willy Tarreau350f4872014-11-28 14:42:25 +01003082 (s->si[1].conn_retries != s->be->conn_retries)) ||
Willy Tarreaueee5b512015-04-03 23:46:31 +02003083 ((sess->fe->mode == PR_MODE_HTTP) && s->txn && s->txn->status >= 500);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003084
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003085 if (!err && (sess->fe->options2 & PR_O2_NOLOGNORM))
William Lallemand1d705562012-03-12 12:46:41 +01003086 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003087
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003088 if (LIST_ISEMPTY(&sess->fe->logsrvs))
William Lallemand1d705562012-03-12 12:46:41 +01003089 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003090
Willy Tarreauabcd5142013-06-11 17:18:02 +02003091 if (s->logs.level) { /* loglevel was overridden */
3092 if (s->logs.level == -1) {
3093 s->logs.logwait = 0; /* logs disabled */
3094 return;
3095 }
3096 level = s->logs.level - 1;
3097 }
3098 else {
3099 level = LOG_INFO;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003100 if (err && (sess->fe->options2 & PR_O2_LOGERRORS))
Willy Tarreauabcd5142013-06-11 17:18:02 +02003101 level = LOG_ERR;
3102 }
William Lallemand1d705562012-03-12 12:46:41 +01003103
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003104 /* if unique-id was not generated */
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003105 if (!isttest(s->unique_id) && !LIST_ISEMPTY(&sess->fe->format_unique_id)) {
Tim Duesterhus2825b4b2020-02-28 15:13:34 +01003106 stream_generate_unique_id(s, &sess->fe->format_unique_id);
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003107 }
3108
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003109 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3110 sd_size = build_logline(s, logline_rfc5424, global.max_syslog_len,
3111 &sess->fe->logformat_sd);
3112 }
3113
Dragan Dosen59cee972015-09-19 22:09:02 +02003114 size = build_logline(s, logline, global.max_syslog_len, &sess->fe->logformat);
William Lallemand1d705562012-03-12 12:46:41 +01003115 if (size > 0) {
Olivier Houchardd2ee3e72019-03-08 18:53:21 +01003116 _HA_ATOMIC_ADD(&sess->fe->log_count, 1);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003117 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3118 logline, size + 1, logline_rfc5424, sd_size);
William Lallemand1d705562012-03-12 12:46:41 +01003119 s->logs.logwait = 0;
3120 }
3121}
William Lallemandbddd4fd2012-02-27 11:23:10 +01003122
Willy Tarreau53839352018-09-05 19:51:10 +02003123/*
3124 * send a minimalist log for the session. Will not log if the frontend has no
3125 * log defined. It is assumed that this is only used to report anomalies that
3126 * cannot lead to the creation of a regular stream. Because of this the log
3127 * level is LOG_INFO or LOG_ERR depending on the "log-separate-error" setting
3128 * in the frontend. The caller must simply know that it should not call this
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003129 * function to report unimportant events. It is safe to call this function with
3130 * sess==NULL (will not do anything).
Willy Tarreau53839352018-09-05 19:51:10 +02003131 */
3132void sess_log(struct session *sess)
3133{
3134 int size, level;
3135 int sd_size = 0;
3136
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003137 if (!sess)
3138 return;
3139
Willy Tarreau53839352018-09-05 19:51:10 +02003140 if (LIST_ISEMPTY(&sess->fe->logsrvs))
3141 return;
3142
3143 level = LOG_INFO;
3144 if (sess->fe->options2 & PR_O2_LOGERRORS)
3145 level = LOG_ERR;
3146
3147 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3148 sd_size = sess_build_logline(sess, NULL,
3149 logline_rfc5424, global.max_syslog_len,
3150 &sess->fe->logformat_sd);
3151 }
3152
3153 size = sess_build_logline(sess, NULL, logline, global.max_syslog_len, &sess->fe->logformat);
3154 if (size > 0) {
Olivier Houchardd2ee3e72019-03-08 18:53:21 +01003155 _HA_ATOMIC_ADD(&sess->fe->log_count, 1);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003156 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3157 logline, size + 1, logline_rfc5424, sd_size);
Willy Tarreau53839352018-09-05 19:51:10 +02003158 }
3159}
3160
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003161void app_log(struct list *logsrvs, struct buffer *tag, int level, const char *format, ...)
3162{
3163 va_list argp;
3164 int data_len;
3165
3166 if (level < 0 || format == NULL || logline == NULL)
3167 return;
3168
3169 va_start(argp, format);
3170 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
3171 if (data_len < 0 || data_len > global.max_syslog_len)
3172 data_len = global.max_syslog_len;
3173 va_end(argp);
3174
3175 __send_log(logsrvs, tag, level, logline, data_len, default_rfc5424_sd_log_format, 2);
3176}
Emeric Brun54932b42020-07-07 09:43:24 +02003177/*
3178 * This function parse a received log message <buf>, of size <buflen>
3179 * it fills <level>, <facility> and <metadata> depending of the detected
3180 * header format and message will point on remaining payload of <size>
3181 *
3182 * <metadata> must point on a preallocated array of LOG_META_FIELDS*sizeof(struct ist)
3183 * struct ist len will be set to 0 if field is not found
3184 * <level> and <facility> will be set to -1 if not found.
3185 */
3186void parse_log_message(char *buf, size_t buflen, int *level, int *facility,
3187 struct ist *metadata, char **message, size_t *size)
3188{
3189
3190 char *p;
3191 int fac_level = 0;
3192
3193 *level = *facility = -1;
3194
3195 *message = buf;
3196 *size = buflen;
3197
3198 memset(metadata, 0, LOG_META_FIELDS*sizeof(struct ist));
3199
3200 p = buf;
3201 if (*size < 2 || *p != '<')
3202 return;
3203
3204 p++;
3205 while (*p != '>') {
3206 if (*p > '9' || *p < '0')
3207 return;
3208 fac_level = 10*fac_level + (*p - '0');
3209 p++;
3210 if ((p - buf) > buflen)
3211 return;
3212 }
3213
3214 *facility = fac_level >> 3;
3215 *level = fac_level & 0x7;
3216 p++;
3217
3218 metadata[LOG_META_PRIO] = ist2(buf, p - buf);
3219
3220 buflen -= p - buf;
3221 buf = p;
3222
3223 *size = buflen;
3224 *message = buf;
3225
3226 /* for rfc5424, prio is always followed by '1' and ' ' */
3227 if ((*size > 2) && (p[0] == '1') && (p[1] == ' ')) {
3228 /* format is always '1 TIMESTAMP HOSTNAME TAG PID MSGID STDATA '
3229 * followed by message.
3230 * Each header field can present NILVALUE: '-'
3231 */
3232
3233 p += 2;
3234 /* timestamp is NILVALUE '-' */
3235 if (*size > 2 && (p[0] == '-') && p[1] == ' ') {
3236 metadata[LOG_META_TIME] = ist2(p, 1);
3237 p++;
3238 }
3239 else if (*size > LOG_ISOTIME_MINLEN) {
3240 metadata[LOG_META_TIME].ptr = p;
3241
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003242 /* check if optional secfrac is present
Emeric Brun54932b42020-07-07 09:43:24 +02003243 * in timestamp.
3244 * possible format are:
3245 * ex: '1970-01-01T00:00:00.000000Z'
3246 * '1970-01-01T00:00:00.000000+00:00'
3247 * '1970-01-01T00:00:00.000000-00:00'
3248 * '1970-01-01T00:00:00Z'
3249 * '1970-01-01T00:00:00+00:00'
3250 * '1970-01-01T00:00:00-00:00'
3251 */
3252 p += 19;
3253 if (*p == '.') {
3254 p++;
3255 if ((p - buf) >= buflen)
3256 goto bad_format;
3257 while (*p != 'Z' && *p != '+' && *p != '-') {
3258 if ((unsigned char)(*p - '0') > 9)
3259 goto bad_format;
3260
3261 p++;
3262 if ((p - buf) >= buflen)
3263 goto bad_format;
3264 }
3265 }
3266
3267 if (*p == 'Z')
3268 p++;
3269 else
3270 p += 6; /* case of '+00:00 or '-00:00' */
3271
3272 if ((p - buf) >= buflen || *p != ' ')
3273 goto bad_format;
3274 metadata[LOG_META_TIME].len = p - metadata[LOG_META_TIME].ptr;
3275 }
3276 else
3277 goto bad_format;
3278
3279
3280 p++;
3281 if ((p - buf) >= buflen || *p == ' ')
3282 goto bad_format;
3283
3284 metadata[LOG_META_HOST].ptr = p;
3285 while (*p != ' ') {
3286 p++;
3287 if ((p - buf) >= buflen)
3288 goto bad_format;
3289 }
3290 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3291 if (metadata[LOG_META_HOST].len == 1 && metadata[LOG_META_HOST].ptr[0] == '-')
3292 metadata[LOG_META_HOST].len = 0;
3293
3294 p++;
3295 if ((p - buf) >= buflen || *p == ' ')
3296 goto bad_format;
3297
3298 metadata[LOG_META_TAG].ptr = p;
3299 while (*p != ' ') {
3300 p++;
3301 if ((p - buf) >= buflen)
3302 goto bad_format;
3303 }
3304 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3305 if (metadata[LOG_META_TAG].len == 1 && metadata[LOG_META_TAG].ptr[0] == '-')
3306 metadata[LOG_META_TAG].len = 0;
3307
3308 p++;
3309 if ((p - buf) >= buflen || *p == ' ')
3310 goto bad_format;
3311
3312 metadata[LOG_META_PID].ptr = p;
3313 while (*p != ' ') {
3314 p++;
3315 if ((p - buf) >= buflen)
3316 goto bad_format;
3317 }
3318 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3319 if (metadata[LOG_META_PID].len == 1 && metadata[LOG_META_PID].ptr[0] == '-')
3320 metadata[LOG_META_PID].len = 0;
3321
3322 p++;
3323 if ((p - buf) >= buflen || *p == ' ')
3324 goto bad_format;
3325
3326 metadata[LOG_META_MSGID].ptr = p;
3327 while (*p != ' ') {
3328 p++;
3329 if ((p - buf) >= buflen)
3330 goto bad_format;
3331 }
3332 metadata[LOG_META_MSGID].len = p - metadata[LOG_META_MSGID].ptr;
3333 if (metadata[LOG_META_MSGID].len == 1 && metadata[LOG_META_MSGID].ptr[0] == '-')
3334 metadata[LOG_META_MSGID].len = 0;
3335
3336 p++;
3337 if ((p - buf) >= buflen || *p == ' ')
3338 goto bad_format;
3339
3340 /* structured data format is:
3341 * ex:
3342 * '[key1=value1 key2=value2][key3=value3]'
3343 *
3344 * space is invalid outside [] because
3345 * considered as the end of structured data field
3346 */
3347 metadata[LOG_META_STDATA].ptr = p;
3348 if (*p == '[') {
3349 int elem = 0;
3350
3351 while (1) {
3352 if (elem) {
3353 /* according to rfc this char is escaped in param values */
3354 if (*p == ']' && *(p-1) != '\\')
3355 elem = 0;
3356 }
3357 else {
3358 if (*p == '[')
3359 elem = 1;
3360 else if (*p == ' ')
3361 break;
3362 else
3363 goto bad_format;
3364 }
3365 p++;
3366 if ((p - buf) >= buflen)
3367 goto bad_format;
3368 }
3369 }
3370 else if (*p == '-') {
3371 /* case of NILVALUE */
3372 p++;
3373 if ((p - buf) >= buflen || *p != ' ')
3374 goto bad_format;
3375 }
3376 else
3377 goto bad_format;
3378
3379 metadata[LOG_META_STDATA].len = p - metadata[LOG_META_STDATA].ptr;
3380 if (metadata[LOG_META_STDATA].len == 1 && metadata[LOG_META_STDATA].ptr[0] == '-')
3381 metadata[LOG_META_STDATA].len = 0;
3382
3383 p++;
3384
3385 buflen -= p - buf;
3386 buf = p;
3387
3388 *size = buflen;
3389 *message = p;
3390 }
3391 else if (*size > LOG_LEGACYTIME_LEN) {
3392 int m;
3393
3394 /* supported header format according to rfc3164.
3395 * ex:
3396 * 'Jan 1 00:00:00 HOSTNAME TAG[PID]: '
3397 * or 'Jan 1 00:00:00 HOSTNAME TAG: '
3398 * or 'Jan 1 00:00:00 HOSTNAME '
3399 * Note: HOSTNAME is mandatory, and day
3400 * of month uses a single space prefix if
3401 * less than 10 to ensure hour offset is
3402 * always the same.
3403 */
3404
3405 /* Check month to see if it correspond to a rfc3164
3406 * header ex 'Jan 1 00:00:00' */
3407 for (m = 0; m < 12; m++)
3408 if (!memcmp(monthname[m], p, 3))
3409 break;
3410 /* Month not found */
3411 if (m == 12)
3412 goto bad_format;
3413
3414 metadata[LOG_META_TIME] = ist2(p, LOG_LEGACYTIME_LEN);
3415
3416 p += LOG_LEGACYTIME_LEN;
3417 if ((p - buf) >= buflen || *p != ' ')
3418 goto bad_format;
3419
3420 p++;
3421 if ((p - buf) >= buflen || *p == ' ')
3422 goto bad_format;
3423
3424 metadata[LOG_META_HOST].ptr = p;
3425 while (*p != ' ') {
3426 p++;
3427 if ((p - buf) >= buflen)
3428 goto bad_format;
3429 }
3430 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3431
3432 /* TAG seems to no be mandatory */
3433 p++;
3434
3435 buflen -= p - buf;
3436 buf = p;
3437
3438 *size = buflen;
3439 *message = buf;
3440
3441 if (!buflen)
3442 return;
3443
3444 while (((p - buf) < buflen) && *p != ' ' && *p != ':')
3445 p++;
3446
3447 /* a tag must present a trailing ':' */
3448 if (((p - buf) >= buflen) || *p != ':')
3449 return;
3450 p++;
3451 /* followed by a space */
3452 if (((p - buf) >= buflen) || *p != ' ')
3453 return;
3454
3455 /* rewind to parse tag and pid */
3456 p = buf;
3457 metadata[LOG_META_TAG].ptr = p;
3458 /* we have the guarantee that ':' will be reach before size limit */
3459 while (*p != ':') {
3460 if (*p == '[') {
3461 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3462 metadata[LOG_META_PID].ptr = p + 1;
3463 }
3464 else if (*p == ']' && metadata[LOG_META_PID].ptr) {
3465 if (p[1] != ':')
3466 return;
3467 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3468 }
3469 p++;
3470 }
3471 if (!metadata[LOG_META_TAG].len)
3472 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3473
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003474 /* let pass ':' and ' ', we still have warranty size is large enough */
Emeric Brun54932b42020-07-07 09:43:24 +02003475 p += 2;
3476
3477 buflen -= p - buf;
3478 buf = p;
3479
3480 *size = buflen;
3481 *message = buf;
3482 }
3483
3484 return;
3485
3486bad_format:
3487 /* bad syslog format, we reset all parsed syslog fields
3488 * but priority is kept because we are able to re-build
3489 * this message using LOF_FORMAT_PRIO.
3490 */
3491 metadata[LOG_META_TIME].len = 0;
3492 metadata[LOG_META_HOST].len = 0;
3493 metadata[LOG_META_TAG].len = 0;
3494 metadata[LOG_META_PID].len = 0;
3495 metadata[LOG_META_MSGID].len = 0;
3496 metadata[LOG_META_STDATA].len = 0;
3497
3498 return;
3499}
3500
3501/*
3502 * UDP syslog fd handler
3503 */
3504void syslog_fd_handler(int fd)
3505{
3506 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
3507 ssize_t ret = 0;
3508 struct buffer *buf = get_trash_chunk();
3509 size_t size;
3510 char *message;
3511 int level;
3512 int facility;
3513 struct listener *l = objt_listener(fdtab[fd].owner);
3514 int max_accept;
3515
3516 if(!l)
3517 ABORT_NOW();
3518
3519 if (fdtab[fd].ev & FD_POLL_IN) {
3520
3521 if (!fd_recv_ready(fd))
3522 return;
3523
3524 max_accept = l->maxaccept ? l->maxaccept : 1;
3525
3526 do {
3527 /* Source address */
3528 struct sockaddr_storage saddr = {0};
3529 socklen_t saddrlen;
3530
3531 saddrlen = sizeof(saddr);
3532
3533 ret = recvfrom(fd, buf->area, buf->size, 0, (struct sockaddr *)&saddr, &saddrlen);
3534 if (ret < 0) {
3535 if (errno == EINTR)
3536 continue;
3537 if (errno == EAGAIN)
3538 fd_cant_recv(fd);
3539 goto out;
3540 }
3541 buf->data = ret;
3542
Emeric Brun45c457a2020-07-09 23:23:34 +02003543 /* update counters */
3544 _HA_ATOMIC_ADD(&cum_log_messages, 1);
3545 proxy_inc_fe_conn_ctr(l, l->bind_conf->frontend);
3546
Emeric Brun54932b42020-07-07 09:43:24 +02003547 parse_log_message(buf->area, buf->data, &level, &facility, metadata, &message, &size);
3548
3549 process_send_log(&l->bind_conf->frontend->logsrvs, level, facility, metadata, message, size);
3550
3551 } while (--max_accept);
3552 }
3553
3554out:
3555 return;
3556}
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003557
Emeric Brun12941c82020-07-07 14:19:42 +02003558/*
3559 * Parse "log-forward" section and create corresponding sink buffer.
3560 *
3561 * The function returns 0 in success case, otherwise, it returns error
3562 * flags.
3563 */
3564int cfg_parse_log_forward(const char *file, int linenum, char **args, int kwm)
3565{
3566 int err_code = 0;
3567 struct proxy *px;
3568 char *errmsg = NULL;
3569 const char *err = NULL;
3570
3571 if (strcmp(args[0], "log-forward") == 0) {
3572 if (!*args[1]) {
3573 ha_alert("parsing [%s:%d] : missing name for ip-forward section.\n", file, linenum);
3574 err_code |= ERR_ALERT | ERR_ABORT;
3575 goto out;
3576 }
3577
3578 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3579 goto out;
3580
3581 err = invalid_char(args[1]);
3582 if (err) {
3583 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
3584 file, linenum, *err, args[0], args[1]);
3585 err_code |= ERR_ALERT | ERR_ABORT;
3586 goto out;
3587 }
3588
3589 for (px = cfg_log_forward ; px ; px = px->next) {
3590 if (strcmp(px->id, args[1]) == 0) {
3591 ha_alert("Parsing [%s:%d]: log-forward section '%s' has the same name as another log-forward section declared at %s:%d.\n",
3592 file, linenum, args[1], px->conf.file, px->conf.line);
3593 err_code |= ERR_ALERT | ERR_FATAL;
3594 }
3595 }
3596
3597 px = calloc(1, sizeof *px);
3598 if (!px) {
3599 err_code |= ERR_ALERT | ERR_FATAL;
3600 goto out;
3601 }
3602
3603 px->next = cfg_log_forward;
3604 cfg_log_forward = px;
3605
3606 init_new_proxy(px);
3607 px->conf.file = strdup(file);
3608 px->conf.line = linenum;
3609 px->mode = PR_MODE_SYSLOG;
3610 px->id = strdup(args[1]);
3611
3612 }
3613 else if (strcmp(args[0], "bind") == 0) {
3614 int cur_arg;
3615 static int kws_dumped;
3616 struct bind_conf *bind_conf;
3617 struct bind_kw *kw;
3618 struct listener *l;
3619
3620 cur_arg = 1;
3621
3622 bind_conf = bind_conf_alloc(cfg_log_forward, file, linenum,
3623 NULL, xprt_get(XPRT_RAW));
3624
3625 if (!str2listener(args[1], cfg_log_forward, bind_conf, file, linenum, &errmsg)) {
3626 if (errmsg && *errmsg) {
3627 indent_msg(&errmsg, 2);
3628 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
3629 }
3630 else {
3631 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
3632 file, linenum, args[0], args[1], args[2]);
3633 err_code |= ERR_ALERT | ERR_FATAL;
3634 goto out;
3635 }
3636 }
3637 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
3638 /* Currently, only UDP handlers are allowed */
3639 if (l->proto->sock_domain != AF_CUST_UDP4 && l->proto->sock_domain != AF_CUST_UDP6) {
3640 ha_alert("parsing [%s:%d] : '%s %s' : error, listening address must be prefixed using 'udp@', 'udp4@' or 'udp6@' %s.\n",
3641 file, linenum, args[0], args[1], args[2]);
3642 err_code |= ERR_ALERT | ERR_FATAL;
3643 goto out;
3644 }
3645 l->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3646 global.maxsock++;
3647 }
3648 cur_arg++;
3649
3650 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
3651 int ret;
3652
3653 ret = kw->parse(args, cur_arg, cfg_log_forward, bind_conf, &errmsg);
3654 err_code |= ret;
3655 if (ret) {
3656 if (errmsg && *errmsg) {
3657 indent_msg(&errmsg, 2);
3658 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
3659 }
3660 else
3661 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
3662 file, linenum, args[cur_arg]);
3663 if (ret & ERR_FATAL)
3664 goto out;
3665 }
3666 cur_arg += 1 + kw->skip;
3667 }
3668 if (*args[cur_arg] != 0) {
3669 char *kws = NULL;
3670
3671 if (!kws_dumped) {
3672 kws_dumped = 1;
3673 bind_dump_kws(&kws);
3674 indent_msg(&kws, 4);
3675 }
3676 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
3677 file, linenum, args[cur_arg], cursection,
3678 kws ? " Registered keywords :" : "", kws ? kws: "");
3679 free(kws);
3680 err_code |= ERR_ALERT | ERR_FATAL;
3681 goto out;
3682 }
3683 }
3684 else if (strcmp(args[0], "log") == 0) {
3685 if (!parse_logsrv(args, &cfg_log_forward->logsrvs, (kwm == KWM_NO), &errmsg)) {
3686 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
3687 err_code |= ERR_ALERT | ERR_FATAL;
3688 goto out;
3689 }
3690 }
3691out:
3692 return err_code;
3693}
3694
3695
Willy Tarreau869efd52019-11-15 15:16:57 +01003696/* parse the "show startup-logs" command, returns 1 if a message is returned, otherwise zero */
3697static int cli_parse_show_startup_logs(char **args, char *payload, struct appctx *appctx, void *private)
Christopher Fauletc1b730a2017-10-24 12:00:51 +02003698{
Willy Tarreau869efd52019-11-15 15:16:57 +01003699 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
3700 return 1;
Christopher Fauletc1b730a2017-10-24 12:00:51 +02003701
Willy Tarreau869efd52019-11-15 15:16:57 +01003702 if (!startup_logs)
3703 return cli_msg(appctx, LOG_INFO, "\n"); // nothing to print
3704
3705 return ring_attach_cli(startup_logs, appctx);
Christopher Fauletc1b730a2017-10-24 12:00:51 +02003706}
3707
3708/* register cli keywords */
3709static struct cli_kw_list cli_kws = {{ },{
3710 { { "show", "startup-logs", NULL },
Willy Tarreau869efd52019-11-15 15:16:57 +01003711 "show startup-logs : report logs emitted during HAProxy startup", cli_parse_show_startup_logs, NULL, NULL },
Christopher Fauletc1b730a2017-10-24 12:00:51 +02003712 {{},}
3713}};
3714
Willy Tarreau0108d902018-11-25 19:14:37 +01003715INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
3716
Emeric Brun12941c82020-07-07 14:19:42 +02003717/* config parsers for this section */
3718REGISTER_CONFIG_SECTION("log-forward", cfg_parse_log_forward, NULL);
3719
Willy Tarreau082b6282019-05-22 14:42:12 +02003720REGISTER_PER_THREAD_ALLOC(init_log_buffers);
3721REGISTER_PER_THREAD_FREE(deinit_log_buffers);
Willy Tarreau172f5ce2018-11-26 11:21:50 +01003722
Willy Tarreaubaaee002006-06-26 02:48:02 +02003723/*
3724 * Local variables:
3725 * c-indent-level: 8
3726 * c-basic-offset: 8
3727 * End:
3728 */