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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * General logging functions.
3 *
Willy Tarreaub7f694f2008-06-22 17:18:02 +02004 * Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Willy Tarreau8a3f52f2012-12-20 21:23:42 +010013#include <ctype.h>
Willy Tarreauc8f24f82007-11-30 18:38:35 +010014#include <fcntl.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020015#include <stdarg.h>
16#include <stdio.h>
17#include <stdlib.h>
18#include <string.h>
19#include <syslog.h>
20#include <time.h>
21#include <unistd.h>
Robert Tsai81ae1952007-12-05 10:47:29 +010022#include <errno.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020023
24#include <sys/time.h>
Willy Tarreau077edcb2016-08-10 18:30:56 +020025#include <sys/uio.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020026
Willy 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] = {
Emeric Brun0237c4e2020-11-27 16:24:34 +010059 [LOG_FORMAT_LOCAL] = {
60 .name = "local",
61 },
Dragan Dosen43885c72015-10-01 13:18:13 +020062 [LOG_FORMAT_RFC3164] = {
63 .name = "rfc3164",
Dragan Dosen43885c72015-10-01 13:18:13 +020064 },
65 [LOG_FORMAT_RFC5424] = {
66 .name = "rfc5424",
Emeric Brun54648852020-07-06 15:54:06 +020067 },
68 [LOG_FORMAT_PRIO] = {
69 .name = "priority",
Willy Tarreaue8746a02018-11-12 08:45:00 +010070 },
71 [LOG_FORMAT_SHORT] = {
72 .name = "short",
Emeric Brun54648852020-07-06 15:54:06 +020073 },
74 [LOG_FORMAT_TIMED] = {
75 .name = "timed",
76 },
77 [LOG_FORMAT_ISO] = {
78 .name = "iso",
Willy Tarreaue8746a02018-11-12 08:45:00 +010079 },
Willy Tarreauc1b06452018-11-12 11:57:56 +010080 [LOG_FORMAT_RAW] = {
81 .name = "raw",
Willy Tarreauc1b06452018-11-12 11:57:56 +010082 },
Dragan Dosen1322d092015-09-22 16:05:32 +020083};
84
Dragan Dosen835b9212016-02-12 13:23:03 +010085/*
86 * This map is used with all the FD_* macros to check whether a particular bit
Willy Tarreau1bfd6022019-06-07 11:10:07 +020087 * is set or not. Each bit represents an ACSII code. ha_bit_set() sets those
88 * bytes which should be escaped. When ha_bit_test() returns non-zero, it means
89 * that the byte should be escaped. Be careful to always pass bytes from 0 to
90 * 255 exclusively to the macros.
Dragan Dosen835b9212016-02-12 13:23:03 +010091 */
Willy Tarreau1bfd6022019-06-07 11:10:07 +020092long rfc5424_escape_map[(256/8) / sizeof(long)];
93long hdr_encode_map[(256/8) / sizeof(long)];
94long url_encode_map[(256/8) / sizeof(long)];
95long http_encode_map[(256/8) / sizeof(long)];
Dragan Dosen835b9212016-02-12 13:23:03 +010096
Dragan Dosen835b9212016-02-12 13:23:03 +010097
Willy Tarreaubaaee002006-06-26 02:48:02 +020098const char *log_facilities[NB_LOG_FACILITIES] = {
99 "kern", "user", "mail", "daemon",
100 "auth", "syslog", "lpr", "news",
101 "uucp", "cron", "auth2", "ftp",
102 "ntp", "audit", "alert", "cron2",
103 "local0", "local1", "local2", "local3",
104 "local4", "local5", "local6", "local7"
105};
106
Willy Tarreaubaaee002006-06-26 02:48:02 +0200107const char *log_levels[NB_LOG_LEVELS] = {
108 "emerg", "alert", "crit", "err",
109 "warning", "notice", "info", "debug"
110};
111
Willy Tarreau570f2212013-06-10 16:42:09 +0200112const 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 +0200113const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200114
William Lallemand723b73a2012-02-08 16:37:49 +0100115
116/* log_format */
117struct logformat_type {
118 char *name;
119 int type;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100120 int mode;
William Lallemand5e19a282012-04-02 16:22:10 +0200121 int lw; /* logwait bitsfield */
William Lallemandb7ff6a32012-03-02 14:35:21 +0100122 int (*config_callback)(struct logformat_node *node, struct proxy *curproxy);
Willy Tarreau2beef582012-12-20 17:22:52 +0100123 const char *replace_by; /* new option to use instead of old one */
William Lallemand723b73a2012-02-08 16:37:49 +0100124};
125
William Lallemandb7ff6a32012-03-02 14:35:21 +0100126int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
127
William Lallemand723b73a2012-02-08 16:37:49 +0100128/* log_format variable names */
129static const struct logformat_type logformat_keywords[] = {
William Lallemand5e19a282012-04-02 16:22:10 +0200130 { "o", LOG_FMT_GLOBAL, PR_MODE_TCP, 0, NULL }, /* global option */
Willy Tarreau2beef582012-12-20 17:22:52 +0100131
132 /* please keep these lines sorted ! */
133 { "B", LOG_FMT_BYTES, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from server to client */
134 { "CC", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL }, /* client cookie */
135 { "CS", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL }, /* server cookie */
136 { "H", LOG_FMT_HOSTNAME, PR_MODE_TCP, LW_INIT, NULL }, /* Hostname */
Tim Duesterhuscf6e0c82020-03-13 12:34:24 +0100137 { "ID", LOG_FMT_UNIQUEID, PR_MODE_TCP, LW_BYTES, NULL }, /* Unique ID */
Willy Tarreau4bf99632014-06-13 12:21:40 +0200138 { "ST", LOG_FMT_STATUS, PR_MODE_TCP, LW_RESP, NULL }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200139 { "T", LOG_FMT_DATEGMT, PR_MODE_TCP, LW_INIT, NULL }, /* date GMT */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200140 { "Ta", LOG_FMT_Ta, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time active (tr to end) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100141 { "Tc", LOG_FMT_TC, PR_MODE_TCP, LW_BYTES, NULL }, /* Tc */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200142 { "Th", LOG_FMT_Th, PR_MODE_TCP, LW_BYTES, NULL }, /* Time handshake */
143 { "Ti", LOG_FMT_Ti, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time idle */
144 { "Tl", LOG_FMT_DATELOCAL, PR_MODE_TCP, LW_INIT, NULL }, /* date local timezone */
145 { "Tq", LOG_FMT_TQ, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tq=Th+Ti+TR */
146 { "Tr", LOG_FMT_Tr, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tr */
147 { "TR", LOG_FMT_TR, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time to receive a valid request */
Willy Tarreau27b639d2016-05-17 17:55:27 +0200148 { "Td", LOG_FMT_TD, PR_MODE_TCP, LW_BYTES, NULL }, /* Td = Tt - (Tq + Tw + Tc + Tr) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100149 { "Ts", LOG_FMT_TS, PR_MODE_TCP, LW_INIT, NULL }, /* timestamp GMT */
William Lallemand5e19a282012-04-02 16:22:10 +0200150 { "Tt", LOG_FMT_TT, PR_MODE_TCP, LW_BYTES, NULL }, /* Tt */
Damien Claisse57c8eb92020-04-28 12:09:19 +0000151 { "Tu", LOG_FMT_TU, PR_MODE_TCP, LW_BYTES, NULL }, /* Tu = Tt -Ti */
Willy Tarreau2beef582012-12-20 17:22:52 +0100152 { "Tw", LOG_FMT_TW, PR_MODE_TCP, LW_BYTES, NULL }, /* Tw */
153 { "U", LOG_FMT_BYTES_UP, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from client to server */
William Lallemand5e19a282012-04-02 16:22:10 +0200154 { "ac", LOG_FMT_ACTCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* actconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100155 { "b", LOG_FMT_BACKEND, PR_MODE_TCP, LW_INIT, NULL }, /* backend */
William Lallemand5e19a282012-04-02 16:22:10 +0200156 { "bc", LOG_FMT_BECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* beconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100157 { "bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source ip */
158 { "bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source port */
William Lallemand5e19a282012-04-02 16:22:10 +0200159 { "bq", LOG_FMT_BCKQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* backend_queue */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200160 { "ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client ip */
161 { "cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100162 { "f", LOG_FMT_FRONTEND, PR_MODE_TCP, LW_INIT, NULL }, /* frontend */
163 { "fc", LOG_FMT_FECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* feconn */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200164 { "fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend ip */
165 { "fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100166 { "ft", LOG_FMT_FRONTEND_XPRT, PR_MODE_TCP, LW_INIT, NULL }, /* frontend with transport mode */
Willy Tarreaud9ed3d22014-06-13 12:23:06 +0200167 { "hr", LOG_FMT_HDRREQUEST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request */
168 { "hrl", LOG_FMT_HDRREQUESTLIST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request list */
169 { "hs", LOG_FMT_HDRRESPONS, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response */
170 { "hsl", LOG_FMT_HDRRESPONSLIST, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response list */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000171 { "HM", LOG_FMT_HTTP_METHOD, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP method */
Maciej Zdebfcdfd852020-11-30 18:27:47 +0000172 { "HP", LOG_FMT_HTTP_PATH, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP relative or absolute path */
173 { "HPO", LOG_FMT_HTTP_PATH_ONLY, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP path only (without host nor query string) */
Andrew Hayworthe63ac872015-07-31 16:14:16 +0000174 { "HQ", LOG_FMT_HTTP_QUERY, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP query */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000175 { "HU", LOG_FMT_HTTP_URI, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP full URI */
176 { "HV", LOG_FMT_HTTP_VERSION, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP version */
Willy Tarreau7346acb2014-08-28 15:03:15 +0200177 { "lc", LOG_FMT_LOGCNT, PR_MODE_TCP, LW_INIT, NULL }, /* log counter */
Willy Tarreau2beef582012-12-20 17:22:52 +0100178 { "ms", LOG_FMT_MS, PR_MODE_TCP, LW_INIT, NULL }, /* accept date millisecond */
William Lallemand5e19a282012-04-02 16:22:10 +0200179 { "pid", LOG_FMT_PID, PR_MODE_TCP, LW_INIT, NULL }, /* log pid */
Willy Tarreau2beef582012-12-20 17:22:52 +0100180 { "r", LOG_FMT_REQ, PR_MODE_HTTP, LW_REQ, NULL }, /* request */
181 { "rc", LOG_FMT_RETRIES, PR_MODE_TCP, LW_BYTES, NULL }, /* retries */
Willy Tarreau1f0da242014-01-25 11:01:50 +0100182 { "rt", LOG_FMT_COUNTER, PR_MODE_TCP, LW_REQ, NULL }, /* request counter (HTTP or TCP session) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100183 { "s", LOG_FMT_SERVER, PR_MODE_TCP, LW_SVID, NULL }, /* server */
184 { "sc", LOG_FMT_SRVCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_conn */
185 { "si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination ip */
186 { "sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination port */
187 { "sq", LOG_FMT_SRVQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_queue */
Willy Tarreauffc3fcd2012-10-12 20:17:54 +0200188 { "sslc", LOG_FMT_SSL_CIPHER, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL ciphers */
189 { "sslv", LOG_FMT_SSL_VERSION, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL protocol version */
Willy Tarreau2beef582012-12-20 17:22:52 +0100190 { "t", LOG_FMT_DATE, PR_MODE_TCP, LW_INIT, NULL }, /* date */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200191 { "tr", LOG_FMT_tr, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request */
192 { "trg",LOG_FMT_trg, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, GMT */
193 { "trl",LOG_FMT_trl, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, local */
Willy Tarreau2beef582012-12-20 17:22:52 +0100194 { "ts", LOG_FMT_TERMSTATE, PR_MODE_TCP, LW_BYTES, NULL },/* termination state */
195 { "tsc", LOG_FMT_TERMSTATE_CK, PR_MODE_TCP, LW_INIT, NULL },/* termination state */
196
197 /* The following tags are deprecated and will be removed soon */
198 { "Bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bi" }, /* backend source ip */
199 { "Bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bp" }, /* backend source port */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200200 { "Ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "ci" }, /* client ip */
201 { "Cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "cp" }, /* client port */
202 { "Fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fi" }, /* frontend ip */
203 { "Fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fp" }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100204 { "Si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL, "si" }, /* server destination ip */
205 { "Sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL, "sp" }, /* server destination port */
206 { "cc", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL, "CC" }, /* client cookie */
207 { "cs", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL, "CS" }, /* server cookie */
208 { "st", LOG_FMT_STATUS, PR_MODE_HTTP, LW_RESP, NULL, "ST" }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200209 { 0, 0, 0, 0, NULL }
William Lallemand723b73a2012-02-08 16:37:49 +0100210};
211
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200212char 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
213char 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 +0100214char 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 +0100215char *log_format = NULL;
216
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200217/* Default string used for structured-data part in RFC5424 formatted
218 * syslog messages.
219 */
220char default_rfc5424_sd_log_format[] = "- ";
Dragan Dosen1322d092015-09-22 16:05:32 +0200221
Willy Tarreau13ef7732018-11-12 07:25:28 +0100222/* total number of dropped logs */
223unsigned int dropped_logs = 0;
224
Dragan Dosen59cee972015-09-19 22:09:02 +0200225/* This is a global syslog message buffer, common to all outgoing
226 * messages. It contains only the data part.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100227 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200228THREAD_LOCAL char *logline = NULL;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100229
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200230/* A global syslog message buffer, common to all RFC5424 syslog messages.
231 * Currently, it is used for generating the structured-data part.
232 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200233THREAD_LOCAL char *logline_rfc5424 = NULL;
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200234
Christopher Fauletd4696382017-10-24 11:44:05 +0200235/* A global buffer used to store all startup alerts/warnings. It will then be
236 * retrieve on the CLI. */
Willy Tarreau869efd52019-11-15 15:16:57 +0100237static struct ring *startup_logs = NULL;
Christopher Fauletd4696382017-10-24 11:44:05 +0200238
William Lallemand723b73a2012-02-08 16:37:49 +0100239struct logformat_var_args {
240 char *name;
241 int mask;
242};
243
244struct logformat_var_args var_args_list[] = {
245// global
246 { "M", LOG_OPT_MANDATORY },
247 { "Q", LOG_OPT_QUOTE },
William Lallemand5f232402012-04-05 18:02:55 +0200248 { "X", LOG_OPT_HEXA },
Dragan Dosen835b9212016-02-12 13:23:03 +0100249 { "E", LOG_OPT_ESC },
William Lallemand723b73a2012-02-08 16:37:49 +0100250 { 0, 0 }
251};
252
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200253/* return the name of the directive used in the current proxy for which we're
254 * currently parsing a header, when it is known.
255 */
256static inline const char *fmt_directive(const struct proxy *curproxy)
257{
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100258 switch (curproxy->conf.args.ctx) {
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200259 case ARGC_ACL:
260 return "acl";
261 case ARGC_STK:
262 return "stick";
263 case ARGC_TRK:
264 return "track-sc";
265 case ARGC_LOG:
266 return "log-format";
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200267 case ARGC_LOGSD:
268 return "log-format-sd";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100269 case ARGC_HRQ:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100270 return "http-request";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100271 case ARGC_HRS:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100272 return "http-response";
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200273 case ARGC_UIF:
274 return "unique-id-format";
Thierry FOURNIERd18cd0f2013-11-29 12:15:45 +0100275 case ARGC_RDR:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200276 return "redirect";
277 case ARGC_CAP:
278 return "capture";
Willy Tarreau28d976d2015-07-09 11:39:33 +0200279 case ARGC_SRV:
280 return "server";
Christopher Fauletf7e4e7e2016-10-27 22:29:49 +0200281 case ARGC_SPOE:
282 return "spoe-message";
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +0100283 case ARGC_UBK:
284 return "use_backend";
Christopher Faulet3b967c12020-05-15 15:47:44 +0200285 case ARGC_HERR:
286 return "http-error";
Miroslav Zagorac7f8314c2020-12-09 16:31:48 +0100287 case ARGC_OT:
288 return "ot-scope";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100289 default:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200290 return "undefined(please report this bug)"; /* must never happen */
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100291 }
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200292}
293
William Lallemand723b73a2012-02-08 16:37:49 +0100294/*
William Lallemandb7ff6a32012-03-02 14:35:21 +0100295 * callback used to configure addr source retrieval
296 */
297int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy)
298{
299 curproxy->options2 |= PR_O2_SRC_ADDR;
300
301 return 0;
302}
303
304
305/*
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100306 * Parse args in a logformat_var. Returns 0 in error
307 * case, otherwise, it returns 1.
William Lallemand723b73a2012-02-08 16:37:49 +0100308 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100309int parse_logformat_var_args(char *args, struct logformat_node *node, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100310{
311 int i = 0;
312 int end = 0;
313 int flags = 0; // 1 = + 2 = -
314 char *sp = NULL; // start pointer
315
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100316 if (args == NULL) {
317 memprintf(err, "internal error: parse_logformat_var_args() expects non null 'args'");
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100318 return 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100319 }
William Lallemand723b73a2012-02-08 16:37:49 +0100320
321 while (1) {
322 if (*args == '\0')
323 end = 1;
324
325 if (*args == '+') {
326 // add flag
327 sp = args + 1;
328 flags = 1;
329 }
330 if (*args == '-') {
331 // delete flag
332 sp = args + 1;
333 flags = 2;
334 }
335
336 if (*args == '\0' || *args == ',') {
337 *args = '\0';
Willy Tarreau254d44c2012-12-20 18:19:26 +0100338 for (i = 0; sp && var_args_list[i].name; i++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100339 if (strcmp(sp, var_args_list[i].name) == 0) {
340 if (flags == 1) {
341 node->options |= var_args_list[i].mask;
342 break;
343 } else if (flags == 2) {
344 node->options &= ~var_args_list[i].mask;
345 break;
346 }
347 }
348 }
349 sp = NULL;
350 if (end)
351 break;
352 }
Willy Tarreau254d44c2012-12-20 18:19:26 +0100353 args++;
William Lallemand723b73a2012-02-08 16:37:49 +0100354 }
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100355 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100356}
357
358/*
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100359 * Parse a variable '%varname' or '%{args}varname' in log-format. The caller
360 * must pass the args part in the <arg> pointer with its length in <arg_len>,
361 * and varname with its length in <var> and <var_len> respectively. <arg> is
362 * ignored when arg_len is 0. Neither <var> nor <var_len> may be null.
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100363 * Returns false in error case and err is filled, otherwise returns true.
William Lallemand723b73a2012-02-08 16:37:49 +0100364 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100365int 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 +0100366{
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100367 int j;
Dragan Dosen61302da2019-04-30 00:40:02 +0200368 struct logformat_node *node = NULL;
William Lallemand723b73a2012-02-08 16:37:49 +0100369
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100370 for (j = 0; logformat_keywords[j].name; j++) { // search a log type
371 if (strlen(logformat_keywords[j].name) == var_len &&
372 strncmp(var, logformat_keywords[j].name, var_len) == 0) {
373 if (logformat_keywords[j].mode != PR_MODE_HTTP || curproxy->mode == PR_MODE_HTTP) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200374 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100375 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100376 memprintf(err, "out of memory error");
Dragan Dosen61302da2019-04-30 00:40:02 +0200377 goto error_free;
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100378 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100379 node->type = logformat_keywords[j].type;
380 node->options = *defoptions;
381 if (arg_len) {
382 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100383 if (!parse_logformat_var_args(node->arg, node, err))
Dragan Dosen61302da2019-04-30 00:40:02 +0200384 goto error_free;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100385 }
386 if (node->type == LOG_FMT_GLOBAL) {
387 *defoptions = node->options;
388 free(node->arg);
389 free(node);
390 } else {
391 if (logformat_keywords[j].config_callback &&
392 logformat_keywords[j].config_callback(node, curproxy) != 0) {
Dragan Dosen61302da2019-04-30 00:40:02 +0200393 goto error_free;
William Lallemand723b73a2012-02-08 16:37:49 +0100394 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100395 curproxy->to_log |= logformat_keywords[j].lw;
Willy Tarreau2b718102021-04-21 07:32:39 +0200396 LIST_APPEND(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100397 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100398 if (logformat_keywords[j].replace_by)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100399 ha_warning("parsing [%s:%d] : deprecated variable '%s' in '%s', please replace it with '%s'.\n",
400 curproxy->conf.args.file, curproxy->conf.args.line,
401 logformat_keywords[j].name, fmt_directive(curproxy), logformat_keywords[j].replace_by);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100402 return 1;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100403 } else {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100404 memprintf(err, "format variable '%s' is reserved for HTTP mode",
405 logformat_keywords[j].name);
Dragan Dosen61302da2019-04-30 00:40:02 +0200406 goto error_free;
William Lallemand723b73a2012-02-08 16:37:49 +0100407 }
William Lallemand723b73a2012-02-08 16:37:49 +0100408 }
409 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100410
411 j = var[var_len];
412 var[var_len] = 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100413 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 +0100414 var[var_len] = j;
Dragan Dosen61302da2019-04-30 00:40:02 +0200415
416 error_free:
417 if (node) {
418 free(node->arg);
419 free(node);
420 }
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100421 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100422}
423
424/*
425 * push to the logformat linked list
426 *
427 * start: start pointer
428 * end: end text pointer
429 * type: string type
William Lallemand1d705562012-03-12 12:46:41 +0100430 * list_format: destination list
William Lallemand723b73a2012-02-08 16:37:49 +0100431 *
432 * LOG_TEXT: copy chars from start to end excluding end.
433 *
434*/
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100435int add_to_logformat_list(char *start, char *end, int type, struct list *list_format, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100436{
437 char *str;
438
Willy Tarreaua3571662012-12-20 21:59:12 +0100439 if (type == LF_TEXT) { /* type text */
Vincent Bernat02779b62016-04-03 13:48:43 +0200440 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100441 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100442 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100443 return 0;
444 }
Vincent Bernat02779b62016-04-03 13:48:43 +0200445 str = calloc(1, end - start + 1);
William Lallemand723b73a2012-02-08 16:37:49 +0100446 strncpy(str, start, end - start);
William Lallemand723b73a2012-02-08 16:37:49 +0100447 str[end - start] = '\0';
448 node->arg = str;
William Lallemand1d705562012-03-12 12:46:41 +0100449 node->type = LOG_FMT_TEXT; // type string
Willy Tarreau2b718102021-04-21 07:32:39 +0200450 LIST_APPEND(list_format, &node->list);
Willy Tarreaua3571662012-12-20 21:59:12 +0100451 } else if (type == LF_SEPARATOR) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200452 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100453 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100454 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100455 return 0;
456 }
William Lallemand1d705562012-03-12 12:46:41 +0100457 node->type = LOG_FMT_SEPARATOR;
Willy Tarreau2b718102021-04-21 07:32:39 +0200458 LIST_APPEND(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100459 }
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100460 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100461}
462
463/*
Willy Tarreauc8368452012-12-21 00:09:23 +0100464 * Parse the sample fetch expression <text> and add a node to <list_format> upon
465 * success. At the moment, sample converters are not yet supported but fetch arguments
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100466 * should work. The curpx->conf.args.ctx must be set by the caller. If an end pointer
467 * is passed in <endptr>, it will be updated with the pointer to the first character
468 * not part of the sample expression.
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100469 *
470 * In error case, the function returns 0, otherwise it returns 1.
Willy Tarreauc8368452012-12-21 00:09:23 +0100471 */
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100472int 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 +0100473{
474 char *cmd[2];
Dragan Dosen61302da2019-04-30 00:40:02 +0200475 struct sample_expr *expr = NULL;
476 struct logformat_node *node = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +0100477 int cmd_arg;
478
479 cmd[0] = text;
480 cmd[1] = "";
481 cmd_arg = 0;
482
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100483 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 +0100484 if (!expr) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100485 memprintf(err, "failed to parse sample expression <%s> : %s", text, *err);
Dragan Dosen61302da2019-04-30 00:40:02 +0200486 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100487 }
488
Vincent Bernat02779b62016-04-03 13:48:43 +0200489 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100490 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100491 memprintf(err, "out of memory error");
Dragan Dosen61302da2019-04-30 00:40:02 +0200492 goto error_free;
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100493 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100494 node->type = LOG_FMT_EXPR;
495 node->expr = expr;
496 node->options = options;
497
498 if (arg_len) {
499 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100500 if (!parse_logformat_var_args(node->arg, node, err))
Dragan Dosen61302da2019-04-30 00:40:02 +0200501 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100502 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100503 if (expr->fetch->val & cap & SMP_VAL_REQUEST)
Willy Tarreauc8368452012-12-21 00:09:23 +0100504 node->options |= LOG_OPT_REQ_CAP; /* fetch method is request-compatible */
505
Willy Tarreau434c57c2013-01-08 01:10:24 +0100506 if (expr->fetch->val & cap & SMP_VAL_RESPONSE)
Willy Tarreauc8368452012-12-21 00:09:23 +0100507 node->options |= LOG_OPT_RES_CAP; /* fetch method is response-compatible */
508
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100509 if (!(expr->fetch->val & cap)) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100510 memprintf(err, "sample fetch <%s> may not be reliably used here because it needs '%s' which is not available here",
511 text, sample_src_names(expr->fetch->use));
Dragan Dosen61302da2019-04-30 00:40:02 +0200512 goto error_free;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100513 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100514
Christopher Faulet581db2b2021-03-26 10:02:46 +0100515 if ((options & LOG_OPT_HTTP) && (expr->fetch->use & (SMP_USE_L6REQ|SMP_USE_L6RES))) {
516 ha_warning("parsing [%s:%d] : L6 sample fetch <%s> ignored in HTTP log-format string.\n",
517 curpx->conf.args.file, curpx->conf.args.line, text);
518 }
519
Christopher Faulet711ed6a2019-07-16 14:16:10 +0200520 /* check if we need to allocate an http_txn struct for HTTP parsing */
Willy Tarreauc8368452012-12-21 00:09:23 +0100521 /* Note, we may also need to set curpx->to_log with certain fetches */
Willy Tarreau25320b22013-03-24 07:22:08 +0100522 curpx->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);
Willy Tarreauc8368452012-12-21 00:09:23 +0100523
William Lallemand65ad6e12014-01-31 15:08:02 +0100524 /* FIXME: temporary workaround for missing LW_XPRT and LW_REQ flags
525 * needed with some sample fetches (eg: ssl*). We always set it for
526 * now on, but this will leave with sample capabilities soon.
Willy Tarreau1f31c732013-01-10 16:22:27 +0100527 */
528 curpx->to_log |= LW_XPRT;
Christopher Fauletd2236cd2020-04-06 18:29:14 +0200529 if (curpx->http_needed)
530 curpx->to_log |= LW_REQ;
Willy Tarreau2b718102021-04-21 07:32:39 +0200531 LIST_APPEND(list_format, &node->list);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100532 return 1;
Dragan Dosen61302da2019-04-30 00:40:02 +0200533
534 error_free:
535 release_sample_expr(expr);
536 if (node) {
537 free(node->arg);
538 free(node);
539 }
540 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100541}
542
543/*
William Lallemand723b73a2012-02-08 16:37:49 +0100544 * Parse the log_format string and fill a linked list.
545 * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200546 * You can set arguments using { } : %{many arguments}varname.
547 * The curproxy->conf.args.ctx must be set by the caller.
William Lallemand1d705562012-03-12 12:46:41 +0100548 *
Ilya Shipitsinae40dbc2020-04-04 12:59:53 +0500549 * fmt: the string to parse
William Lallemand1d705562012-03-12 12:46:41 +0100550 * curproxy: the proxy affected
551 * list_format: the destination list
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100552 * options: LOG_OPT_* to force on every node
Willy Tarreau434c57c2013-01-08 01:10:24 +0100553 * cap: all SMP_VAL_* flags supported by the consumer
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100554 *
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100555 * The function returns 1 in success case, otherwise, it returns 0 and err is filled.
William Lallemand723b73a2012-02-08 16:37:49 +0100556 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100557int 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 +0100558{
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100559 char *sp, *str, *backfmt; /* start pointer for text parts */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100560 char *arg = NULL; /* start pointer for args */
561 char *var = NULL; /* start pointer for vars */
562 int arg_len = 0;
563 int var_len = 0;
564 int cformat; /* current token format */
565 int pformat; /* previous token format */
William Lallemand723b73a2012-02-08 16:37:49 +0100566 struct logformat_node *tmplf, *back;
567
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100568 sp = str = backfmt = strdup(fmt);
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100569 if (!str) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100570 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100571 return 0;
572 }
William Lallemand1dc00ef2012-08-09 16:41:35 +0200573 curproxy->to_log |= LW_INIT;
William Lallemand5e19a282012-04-02 16:22:10 +0200574
William Lallemand723b73a2012-02-08 16:37:49 +0100575 /* flush the list first. */
William Lallemand1d705562012-03-12 12:46:41 +0100576 list_for_each_entry_safe(tmplf, back, list_format, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +0200577 LIST_DELETE(&tmplf->list);
Dragan Dosen61302da2019-04-30 00:40:02 +0200578 release_sample_expr(tmplf->expr);
579 free(tmplf->arg);
William Lallemand723b73a2012-02-08 16:37:49 +0100580 free(tmplf);
581 }
582
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100583 for (cformat = LF_INIT; cformat != LF_END; str++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100584 pformat = cformat;
585
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100586 if (!*str)
587 cformat = LF_END; // preset it to save all states from doing this
William Lallemand723b73a2012-02-08 16:37:49 +0100588
Joseph Herlant85b40592018-11-15 12:10:04 -0800589 /* The principle of the two-step state machine below is to first detect a change, and
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100590 * second have all common paths processed at one place. The common paths are the ones
591 * encountered in text areas (LF_INIT, LF_TEXT, LF_SEPARATOR) and at the end (LF_END).
592 * We use the common LF_INIT state to dispatch to the different final states.
593 */
594 switch (pformat) {
595 case LF_STARTVAR: // text immediately following a '%'
Willy Tarreauc8368452012-12-21 00:09:23 +0100596 arg = NULL; var = NULL;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100597 arg_len = var_len = 0;
598 if (*str == '{') { // optional argument
599 cformat = LF_STARG;
600 arg = str + 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100601 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100602 else if (*str == '[') {
603 cformat = LF_STEXPR;
604 var = str + 1; // store expr in variable name
605 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100606 else if (isalpha((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100607 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100608 var = str;
William Lallemand723b73a2012-02-08 16:37:49 +0100609 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100610 else if (*str == '%')
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500611 cformat = LF_TEXT; // convert this character to a literal (useful for '%')
Willy Tarreau0f28f822013-12-16 01:38:33 +0100612 else if (isdigit((unsigned char)*str) || *str == ' ' || *str == '\t') {
Willy Tarreau06d97f92013-12-02 17:45:48 +0100613 /* single '%' followed by blank or digit, send them both */
614 cformat = LF_TEXT;
615 pformat = LF_TEXT; /* finally we include the previous char as well */
616 sp = str - 1; /* send both the '%' and the current char */
Jim Freemana2278c82017-04-15 08:01:59 -0600617 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 +0100618 *str, (int)(str - backfmt), fmt);
Willy Tarreau51013e82019-12-11 12:05:39 +0100619 goto fail;
Willy Tarreau06d97f92013-12-02 17:45:48 +0100620
621 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100622 else
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500623 cformat = LF_INIT; // handle other cases of literals
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100624 break;
625
626 case LF_STARG: // text immediately following '%{'
627 if (*str == '}') { // end of arg
William Lallemand723b73a2012-02-08 16:37:49 +0100628 cformat = LF_EDARG;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100629 arg_len = str - arg;
630 *str = 0; // used for reporting errors
William Lallemand723b73a2012-02-08 16:37:49 +0100631 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100632 break;
633
634 case LF_EDARG: // text immediately following '%{arg}'
Willy Tarreauc8368452012-12-21 00:09:23 +0100635 if (*str == '[') {
636 cformat = LF_STEXPR;
637 var = str + 1; // store expr in variable name
638 break;
639 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100640 else if (isalnum((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100641 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100642 var = str;
643 break;
644 }
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100645 memprintf(err, "parse argument modifier without variable name near '%%{%s}'", arg);
Willy Tarreau51013e82019-12-11 12:05:39 +0100646 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100647
Willy Tarreauc8368452012-12-21 00:09:23 +0100648 case LF_STEXPR: // text immediately following '%['
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100649 /* the whole sample expression is parsed at once,
650 * returning the pointer to the first character not
651 * part of the expression, which MUST be the trailing
652 * angle bracket.
653 */
654 if (!add_sample_to_logformat_list(var, arg, arg_len, curproxy, list_format, options, cap, err, &str))
655 goto fail;
656
657 if (*str == ']') {
658 // end of arg, go on with next state
659 cformat = pformat = LF_EDEXPR;
660 sp = str;
661 }
662 else {
663 char c = *str;
664 *str = 0;
Willy Tarreau90807112020-02-25 08:16:33 +0100665 if (isprint((unsigned char)c))
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100666 memprintf(err, "expected ']' after '%s', but found '%c'", var, c);
667 else
668 memprintf(err, "missing ']' after '%s'", var);
Dragan Dosen2866acf2020-06-30 21:16:43 +0200669 goto fail;
Willy Tarreauc8368452012-12-21 00:09:23 +0100670 }
671 break;
672
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100673 case LF_VAR: // text part of a variable name
674 var_len = str - var;
Willy Tarreau0f28f822013-12-16 01:38:33 +0100675 if (!isalnum((unsigned char)*str))
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100676 cformat = LF_INIT; // not variable name anymore
677 break;
678
Willy Tarreauc8368452012-12-21 00:09:23 +0100679 default: // LF_INIT, LF_TEXT, LF_SEPARATOR, LF_END, LF_EDEXPR
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100680 cformat = LF_INIT;
681 }
682
683 if (cformat == LF_INIT) { /* resynchronize state to text/sep/startvar */
684 switch (*str) {
685 case '%': cformat = LF_STARTVAR; break;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100686 case 0 : cformat = LF_END; break;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +0200687 case ' ':
688 if (options & LOG_OPT_MERGE_SPACES) {
689 cformat = LF_SEPARATOR;
690 break;
691 }
692 /* fall through */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100693 default : cformat = LF_TEXT; break;
William Lallemand723b73a2012-02-08 16:37:49 +0100694 }
695 }
696
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100697 if (cformat != pformat || pformat == LF_SEPARATOR) {
698 switch (pformat) {
699 case LF_VAR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100700 if (!parse_logformat_var(arg, arg_len, var, var_len, curproxy, list_format, &options, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100701 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100702 break;
703 case LF_TEXT:
704 case LF_SEPARATOR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100705 if (!add_to_logformat_list(sp, str, pformat, list_format, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100706 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100707 break;
708 }
709 sp = str; /* new start of text at every state switch and at every separator */
William Lallemand723b73a2012-02-08 16:37:49 +0100710 }
711 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100712
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100713 if (pformat == LF_STARTVAR || pformat == LF_STARG || pformat == LF_STEXPR) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100714 memprintf(err, "truncated line after '%s'", var ? var : arg ? arg : "%");
Willy Tarreau51013e82019-12-11 12:05:39 +0100715 goto fail;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100716 }
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100717 free(backfmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100718
719 return 1;
Willy Tarreau51013e82019-12-11 12:05:39 +0100720 fail:
721 free(backfmt);
722 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100723}
724
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200725/*
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500726 * Parse the first range of indexes from a string made of a list of comma separated
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200727 * ranges of indexes. Note that an index may be considered as a particular range
728 * with a high limit to the low limit.
729 */
730int get_logsrv_smp_range(unsigned int *low, unsigned int *high, char **arg, char **err)
731{
732 char *end, *p;
733
734 *low = *high = 0;
735
736 p = *arg;
737 end = strchr(p, ',');
738 if (!end)
739 end = p + strlen(p);
740
741 *high = *low = read_uint((const char **)&p, end);
742 if (!*low || (p != end && *p != '-'))
743 goto err;
744
745 if (p == end)
746 goto done;
747
748 p++;
749 *high = read_uint((const char **)&p, end);
750 if (!*high || *high <= *low || p != end)
751 goto err;
752
753 done:
754 if (*end == ',')
755 end++;
756 *arg = end;
757 return 1;
758
759 err:
760 memprintf(err, "wrong sample range '%s'", *arg);
761 return 0;
762}
763
764/*
765 * Returns 1 if the range defined by <low> and <high> overlaps
766 * one of them in <rgs> array of ranges with <sz> the size of this
767 * array, 0 if not.
768 */
769int smp_log_ranges_overlap(struct smp_log_range *rgs, size_t sz,
770 unsigned int low, unsigned int high, char **err)
771{
772 size_t i;
773
774 for (i = 0; i < sz; i++) {
775 if ((low >= rgs[i].low && low <= rgs[i].high) ||
776 (high >= rgs[i].low && high <= rgs[i].high)) {
777 memprintf(err, "ranges are overlapping");
778 return 1;
779 }
780 }
781
782 return 0;
783}
784
785int smp_log_range_cmp(const void *a, const void *b)
786{
787 const struct smp_log_range *rg_a = a;
788 const struct smp_log_range *rg_b = b;
789
790 if (rg_a->high < rg_b->low)
791 return -1;
792 else if (rg_a->low > rg_b->high)
793 return 1;
794
795 return 0;
796}
797
798/*
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200799 * Parse "log" keyword and update <logsrvs> list accordingly.
800 *
801 * When <do_del> is set, it means the "no log" line was parsed, so all log
802 * servers in <logsrvs> are released.
803 *
804 * Otherwise, we try to parse the "log" line. First of all, when the list is not
805 * the global one, we look for the parameter "global". If we find it,
806 * global.logsrvs is copied. Else we parse each arguments.
807 *
808 * The function returns 1 in success case, otherwise, it returns 0 and err is
809 * filled.
810 */
Emeric Brun9533a702021-04-02 10:13:43 +0200811int parse_logsrv(char **args, struct list *logsrvs, int do_del, const char *file, int linenum, char **err)
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200812{
Willy Tarreauae32ac72020-10-27 09:51:37 +0100813 struct smp_log_range *smp_rgs = NULL;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200814 struct sockaddr_storage *sk;
Emeric Brun94aab062021-04-02 10:41:36 +0200815 struct protocol *proto;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200816 struct logsrv *logsrv = NULL;
817 int port1, port2;
818 int cur_arg;
Willy Tarreau89599262020-09-15 14:03:26 +0200819 int fd;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200820
821 /*
822 * "no log": delete previous herited or defined syslog
823 * servers.
824 */
825 if (do_del) {
826 struct logsrv *back;
827
828 if (*(args[1]) != 0) {
829 memprintf(err, "'no log' does not expect arguments");
830 goto error;
831 }
832
833 list_for_each_entry_safe(logsrv, back, logsrvs, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +0200834 LIST_DELETE(&logsrv->list);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200835 free(logsrv);
836 }
837 return 1;
838 }
839
840 /*
841 * "log global": copy global.logrsvs linked list to the end of logsrvs
842 * list. But first, we check (logsrvs != global.logsrvs).
843 */
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100844 if (*(args[1]) && *(args[2]) == 0 && strcmp(args[1], "global") == 0) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200845 if (logsrvs == &global.logsrvs) {
846 memprintf(err, "'global' is not supported for a global syslog server");
847 goto error;
848 }
849 list_for_each_entry(logsrv, &global.logsrvs, list) {
Christopher Faulet28ac0992018-03-26 16:09:19 +0200850 struct logsrv *node;
851
852 list_for_each_entry(node, logsrvs, list) {
853 if (node->ref == logsrv)
854 goto skip_logsrv;
855 }
856
857 node = malloc(sizeof(*node));
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200858 memcpy(node, logsrv, sizeof(struct logsrv));
Christopher Faulet28ac0992018-03-26 16:09:19 +0200859 node->ref = logsrv;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200860 LIST_INIT(&node->list);
Willy Tarreau2b718102021-04-21 07:32:39 +0200861 LIST_APPEND(logsrvs, &node->list);
Emeric Brun9533a702021-04-02 10:13:43 +0200862 node->conf.file = strdup(file);
863 node->conf.line = linenum;
Christopher Faulet28ac0992018-03-26 16:09:19 +0200864
865 skip_logsrv:
866 continue;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200867 }
868 return 1;
869 }
870
871 /*
872 * "log <address> ...: parse a syslog server line
873 */
874 if (*(args[1]) == 0 || *(args[2]) == 0) {
875 memprintf(err, "expects <address> and <facility> %s as arguments",
876 ((logsrvs == &global.logsrvs) ? "" : "or global"));
877 goto error;
878 }
879
Willy Tarreau5a32ecc2018-11-12 07:34:59 +0100880 /* take care of "stdout" and "stderr" as regular aliases for fd@1 / fd@2 */
881 if (strcmp(args[1], "stdout") == 0)
882 args[1] = "fd@1";
883 else if (strcmp(args[1], "stderr") == 0)
884 args[1] = "fd@2";
885
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200886 logsrv = calloc(1, sizeof(*logsrv));
887 if (!logsrv) {
888 memprintf(err, "out of memory");
889 goto error;
890 }
891
Emeric Brun9533a702021-04-02 10:13:43 +0200892 logsrv->conf.file = strdup(file);
893 logsrv->conf.line = linenum;
894
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200895 /* skip address for now, it will be parsed at the end */
896 cur_arg = 2;
897
898 /* just after the address, a length may be specified */
899 logsrv->maxlen = MAX_SYSLOG_LEN;
900 if (strcmp(args[cur_arg], "len") == 0) {
901 int len = atoi(args[cur_arg+1]);
902 if (len < 80 || len > 65535) {
903 memprintf(err, "invalid log length '%s', must be between 80 and 65535",
904 args[cur_arg+1]);
905 goto error;
906 }
907 logsrv->maxlen = len;
908 cur_arg += 2;
909 }
910 if (logsrv->maxlen > global.max_syslog_len)
911 global.max_syslog_len = logsrv->maxlen;
912
913 /* after the length, a format may be specified */
914 if (strcmp(args[cur_arg], "format") == 0) {
915 logsrv->format = get_log_format(args[cur_arg+1]);
Emeric Brun54648852020-07-06 15:54:06 +0200916 if (logsrv->format == LOG_FORMAT_UNSPEC) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200917 memprintf(err, "unknown log format '%s'", args[cur_arg+1]);
918 goto error;
919 }
920 cur_arg += 2;
921 }
922
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200923 if (strcmp(args[cur_arg], "sample") == 0) {
924 unsigned low, high;
925 char *p, *beg, *end, *smp_sz_str;
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200926 size_t smp_rgs_sz = 0, smp_sz = 0, new_smp_sz;
927
928 p = args[cur_arg+1];
929 smp_sz_str = strchr(p, ':');
930 if (!smp_sz_str) {
931 memprintf(err, "Missing sample size");
932 goto error;
933 }
934
935 *smp_sz_str++ = '\0';
936
937 end = p + strlen(p);
938
939 while (p != end) {
940 if (!get_logsrv_smp_range(&low, &high, &p, err))
941 goto error;
942
943 if (smp_rgs && smp_log_ranges_overlap(smp_rgs, smp_rgs_sz, low, high, err))
944 goto error;
945
946 smp_rgs = my_realloc2(smp_rgs, (smp_rgs_sz + 1) * sizeof *smp_rgs);
947 if (!smp_rgs) {
948 memprintf(err, "out of memory error");
949 goto error;
950 }
951
952 smp_rgs[smp_rgs_sz].low = low;
953 smp_rgs[smp_rgs_sz].high = high;
954 smp_rgs[smp_rgs_sz].sz = high - low + 1;
955 smp_rgs[smp_rgs_sz].curr_idx = 0;
956 if (smp_rgs[smp_rgs_sz].high > smp_sz)
957 smp_sz = smp_rgs[smp_rgs_sz].high;
958 smp_rgs_sz++;
959 }
960
Tim Duesterhus21648002019-06-23 22:10:10 +0200961 if (smp_rgs == NULL) {
962 memprintf(err, "no sampling ranges given");
963 goto error;
964 }
965
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200966 beg = smp_sz_str;
967 end = beg + strlen(beg);
968 new_smp_sz = read_uint((const char **)&beg, end);
969 if (!new_smp_sz || beg != end) {
970 memprintf(err, "wrong sample size '%s' for sample range '%s'",
971 smp_sz_str, args[cur_arg+1]);
972 goto error;
973 }
974
975 if (new_smp_sz < smp_sz) {
976 memprintf(err, "sample size %zu should be greater or equal to "
977 "%zu the maximum of the high ranges limits",
978 new_smp_sz, smp_sz);
979 goto error;
980 }
981 smp_sz = new_smp_sz;
982
983 /* Let's order <smp_rgs> array. */
984 qsort(smp_rgs, smp_rgs_sz, sizeof(struct smp_log_range), smp_log_range_cmp);
985
986 logsrv->lb.smp_rgs = smp_rgs;
987 logsrv->lb.smp_rgs_sz = smp_rgs_sz;
988 logsrv->lb.smp_sz = smp_sz;
989
990 cur_arg += 2;
991 }
Frédéric Lécailled803e472019-04-25 07:42:09 +0200992 HA_SPIN_INIT(&logsrv->lock);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200993 /* parse the facility */
994 logsrv->facility = get_log_facility(args[cur_arg]);
995 if (logsrv->facility < 0) {
996 memprintf(err, "unknown log facility '%s'", args[cur_arg]);
997 goto error;
998 }
999 cur_arg++;
1000
1001 /* parse the max syslog level (default: debug) */
1002 logsrv->level = 7;
1003 if (*(args[cur_arg])) {
1004 logsrv->level = get_log_level(args[cur_arg]);
1005 if (logsrv->level < 0) {
1006 memprintf(err, "unknown optional log level '%s'", args[cur_arg]);
1007 goto error;
1008 }
1009 cur_arg++;
1010 }
1011
1012 /* parse the limit syslog level (default: emerg) */
1013 logsrv->minlvl = 0;
1014 if (*(args[cur_arg])) {
1015 logsrv->minlvl = get_log_level(args[cur_arg]);
1016 if (logsrv->minlvl < 0) {
1017 memprintf(err, "unknown optional minimum log level '%s'", args[cur_arg]);
1018 goto error;
1019 }
1020 cur_arg++;
1021 }
1022
1023 /* Too many args */
1024 if (*(args[cur_arg])) {
1025 memprintf(err, "cannot handle unexpected argument '%s'", args[cur_arg]);
1026 goto error;
1027 }
1028
1029 /* now, back to the address */
Willy Tarreauf3dc30f2019-08-30 14:18:44 +02001030 logsrv->type = LOG_TARGET_DGRAM;
Willy Tarreauc046d162019-08-30 15:24:59 +02001031 if (strncmp(args[1], "ring@", 5) == 0) {
Willy Tarreauc046d162019-08-30 15:24:59 +02001032 logsrv->addr.ss_family = AF_UNSPEC;
1033 logsrv->type = LOG_TARGET_BUFFER;
Emeric Brun99c453d2020-05-25 15:01:04 +02001034 logsrv->sink = NULL;
1035 logsrv->ring_name = strdup(args[1] + 5);
Willy Tarreauc046d162019-08-30 15:24:59 +02001036 goto done;
1037 }
1038
Emeric Brun94aab062021-04-02 10:41:36 +02001039 sk = str2sa_range(args[1], NULL, &port1, &port2, &fd, &proto,
1040 err, NULL, NULL,
1041 PA_O_RESOLVE | PA_O_PORT_OK | PA_O_RAW_FD | PA_O_DGRAM | PA_O_STREAM | PA_O_DEFAULT_DGRAM);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001042 if (!sk)
1043 goto error;
Willy Tarreau89599262020-09-15 14:03:26 +02001044
1045 if (fd != -1)
1046 logsrv->type = LOG_TARGET_FD;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001047 logsrv->addr = *sk;
1048
1049 if (sk->ss_family == AF_INET || sk->ss_family == AF_INET6) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001050 if (!port1)
1051 set_host_port(&logsrv->addr, SYSLOG_PORT);
1052 }
Emeric Brun9533a702021-04-02 10:13:43 +02001053
Emeric Brun26754902021-04-07 14:26:44 +02001054 if (proto && proto->ctrl_type == SOCK_STREAM) {
Emeric Brun94aab062021-04-02 10:41:36 +02001055 static unsigned long ring_ids;
1056
1057 /* Implicit sink buffer will be
1058 * initialized in post_check
1059 */
1060 logsrv->type = LOG_TARGET_BUFFER;
1061 logsrv->sink = NULL;
1062 /* compute uniq name for the ring */
1063 memprintf(&logsrv->ring_name, "ring#%lu", ++ring_ids);
1064 }
1065
Willy Tarreauc046d162019-08-30 15:24:59 +02001066 done:
Willy Tarreau2b718102021-04-21 07:32:39 +02001067 LIST_APPEND(logsrvs, &logsrv->list);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001068 return 1;
1069
1070 error:
Willy Tarreauae32ac72020-10-27 09:51:37 +01001071 free(smp_rgs);
Emeric Brun9533a702021-04-02 10:13:43 +02001072 if (logsrv) {
1073 free(logsrv->conf.file);
Willy Tarreaua0133fc2020-10-27 10:35:32 +01001074 free(logsrv->ring_name);
Emeric Brun9533a702021-04-02 10:13:43 +02001075 }
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001076 free(logsrv);
1077 return 0;
1078}
1079
1080
Christopher Fauletd4696382017-10-24 11:44:05 +02001081/* Generic function to display messages prefixed by a label */
1082static void print_message(const char *label, const char *fmt, va_list argp)
1083{
1084 struct tm tm;
1085 char *head, *msg;
1086
1087 head = msg = NULL;
1088
1089 get_localtime(date.tv_sec, &tm);
1090 memprintf(&head, "[%s] %03d/%02d%02d%02d (%d) : ",
1091 label, tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
1092 memvprintf(&msg, fmt, argp);
1093
Willy Tarreau869efd52019-11-15 15:16:57 +01001094 if (global.mode & MODE_STARTING) {
1095 if (unlikely(!startup_logs))
1096 startup_logs = ring_new(STARTUP_LOG_SIZE);
1097
1098 if (likely(startup_logs)) {
1099 struct ist m[2];
1100
1101 m[0] = ist(head);
1102 m[1] = ist(msg);
1103 /* trim the trailing '\n' */
1104 if (m[1].len > 0 && m[1].ptr[m[1].len - 1] == '\n')
1105 m[1].len--;
1106 ring_write(startup_logs, ~0, 0, 0, m, 2);
1107 }
1108 }
Christopher Fauletd4696382017-10-24 11:44:05 +02001109
1110 fprintf(stderr, "%s%s", head, msg);
1111 fflush(stderr);
1112
1113 free(head);
1114 free(msg);
1115}
1116
Willy Tarreaubaaee002006-06-26 02:48:02 +02001117/*
1118 * Displays the message on stderr with the date and pid. Overrides the quiet
1119 * mode during startup.
1120 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001121void ha_alert(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001122{
1123 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001124
1125 if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
Willy Tarreaubb869862020-04-16 10:52:41 +02001126 if (!(warned & WARN_EXEC_PATH)) {
1127 const char *path = get_exec_path();
1128
1129 warned |= WARN_EXEC_PATH;
1130 ha_notice("haproxy version is %s\n", haproxy_version);
1131 if (path)
1132 ha_notice("path to executable is %s\n", path);
1133 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001134 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001135 print_message("ALERT", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001136 va_end(argp);
1137 }
1138}
1139
1140
1141/*
1142 * Displays the message on stderr with the date and pid.
1143 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001144void ha_warning(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001145{
1146 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001147
Willy Tarreaubebd2122020-04-15 16:06:11 +02001148 warned |= WARN_ANY;
1149
Willy Tarreaubaaee002006-06-26 02:48:02 +02001150 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1151 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001152 print_message("WARNING", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001153 va_end(argp);
1154 }
1155}
1156
1157/*
Amaury Denoyelle7b01a8d2021-03-29 10:29:07 +02001158 * Variant of _ha_diag_warning with va_list.
1159 * Use it only if MODE_DIAG has been previously checked.
1160 */
1161void _ha_vdiag_warning(const char *fmt, va_list argp)
1162{
1163 print_message("DIAG/WARNING", fmt, argp);
1164}
1165
1166/*
1167 * Output a diagnostic warning.
1168 * Use it only if MODE_DIAG has been previously checked.
1169 */
1170void _ha_diag_warning(const char *fmt, ...)
1171{
1172 va_list argp;
1173
1174 va_start(argp, fmt);
1175 _ha_vdiag_warning(fmt, argp);
1176 va_end(argp);
1177}
1178
1179/*
1180 * Output a diagnostic warning. Do nothing of MODE_DIAG is not on.
1181 */
1182void ha_diag_warning(const char *fmt, ...)
1183{
1184 va_list argp;
1185
1186 if (global.mode & MODE_DIAG) {
1187 va_start(argp, fmt);
1188 _ha_vdiag_warning(fmt, argp);
1189 va_end(argp);
1190 }
1191}
1192
1193/*
William Lallemand9c56a222018-11-21 18:04:52 +01001194 * Displays the message on stderr with the date and pid.
1195 */
1196void ha_notice(const char *fmt, ...)
1197{
1198 va_list argp;
1199
1200 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1201 va_start(argp, fmt);
1202 print_message("NOTICE", fmt, argp);
1203 va_end(argp);
1204 }
1205}
1206
1207/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001208 * Displays the message on <out> only if quiet mode is not set.
1209 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001210void qfprintf(FILE *out, const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001211{
1212 va_list argp;
1213
1214 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1215 va_start(argp, fmt);
1216 vfprintf(out, fmt, argp);
1217 fflush(out);
1218 va_end(argp);
1219 }
1220}
1221
1222/*
Emeric Brun54648852020-07-06 15:54:06 +02001223 * returns log format, LOG_FORMAT_UNSPEC is return if not found.
Dragan Dosen1322d092015-09-22 16:05:32 +02001224 */
Emeric Brun54648852020-07-06 15:54:06 +02001225enum log_fmt get_log_format(const char *fmt)
Dragan Dosen1322d092015-09-22 16:05:32 +02001226{
Emeric Brun54648852020-07-06 15:54:06 +02001227 enum log_fmt format;
Dragan Dosen1322d092015-09-22 16:05:32 +02001228
1229 format = LOG_FORMATS - 1;
Emeric Brun54648852020-07-06 15:54:06 +02001230 while (format > 0 && log_formats[format].name
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001231 && strcmp(log_formats[format].name, fmt) != 0)
Dragan Dosen1322d092015-09-22 16:05:32 +02001232 format--;
1233
Emeric Brun54648852020-07-06 15:54:06 +02001234 /* Note: 0 is LOG_FORMAT_UNSPEC */
Dragan Dosen1322d092015-09-22 16:05:32 +02001235 return format;
1236}
1237
1238/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001239 * returns log level for <lev> or -1 if not found.
1240 */
1241int get_log_level(const char *lev)
1242{
1243 int level;
1244
1245 level = NB_LOG_LEVELS - 1;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001246 while (level >= 0 && strcmp(log_levels[level], lev) != 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001247 level--;
1248
1249 return level;
1250}
1251
Willy Tarreaubaaee002006-06-26 02:48:02 +02001252/*
1253 * returns log facility for <fac> or -1 if not found.
1254 */
1255int get_log_facility(const char *fac)
1256{
1257 int facility;
1258
1259 facility = NB_LOG_FACILITIES - 1;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001260 while (facility >= 0 && strcmp(log_facilities[facility], fac) != 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001261 facility--;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001262
Willy Tarreaubaaee002006-06-26 02:48:02 +02001263 return facility;
1264}
1265
William Lallemanda1cc3812012-02-08 16:38:44 +01001266/*
Dragan Dosen835b9212016-02-12 13:23:03 +01001267 * Encode the string.
1268 *
1269 * When using the +E log format option, it will try to escape '"\]'
1270 * characters with '\' as prefix. The same prefix should not be used as
1271 * <escape>.
1272 */
1273static char *lf_encode_string(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001274 const char escape, const long *map,
Dragan Dosen835b9212016-02-12 13:23:03 +01001275 const char *string,
1276 struct logformat_node *node)
1277{
1278 if (node->options & LOG_OPT_ESC) {
1279 if (start < stop) {
1280 stop--; /* reserve one byte for the final '\0' */
1281 while (start < stop && *string != '\0') {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001282 if (!ha_bit_test((unsigned char)(*string), map)) {
1283 if (!ha_bit_test((unsigned char)(*string), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001284 *start++ = *string;
1285 else {
1286 if (start + 2 >= stop)
1287 break;
1288 *start++ = '\\';
1289 *start++ = *string;
1290 }
1291 }
1292 else {
1293 if (start + 3 >= stop)
1294 break;
1295 *start++ = escape;
1296 *start++ = hextab[(*string >> 4) & 15];
1297 *start++ = hextab[*string & 15];
1298 }
1299 string++;
1300 }
1301 *start = '\0';
1302 }
1303 }
1304 else {
1305 return encode_string(start, stop, escape, map, string);
1306 }
1307
1308 return start;
1309}
1310
1311/*
1312 * Encode the chunk.
1313 *
1314 * When using the +E log format option, it will try to escape '"\]'
1315 * characters with '\' as prefix. The same prefix should not be used as
1316 * <escape>.
1317 */
1318static char *lf_encode_chunk(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001319 const char escape, const long *map,
Willy Tarreau83061a82018-07-13 11:56:34 +02001320 const struct buffer *chunk,
Dragan Dosen835b9212016-02-12 13:23:03 +01001321 struct logformat_node *node)
1322{
1323 char *str, *end;
1324
1325 if (node->options & LOG_OPT_ESC) {
1326 if (start < stop) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001327 str = chunk->area;
1328 end = chunk->area + chunk->data;
Dragan Dosen835b9212016-02-12 13:23:03 +01001329
1330 stop--; /* reserve one byte for the final '\0' */
1331 while (start < stop && str < end) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001332 if (!ha_bit_test((unsigned char)(*str), map)) {
1333 if (!ha_bit_test((unsigned char)(*str), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001334 *start++ = *str;
1335 else {
1336 if (start + 2 >= stop)
1337 break;
1338 *start++ = '\\';
1339 *start++ = *str;
1340 }
1341 }
1342 else {
1343 if (start + 3 >= stop)
1344 break;
1345 *start++ = escape;
1346 *start++ = hextab[(*str >> 4) & 15];
1347 *start++ = hextab[*str & 15];
1348 }
1349 str++;
1350 }
1351 *start = '\0';
1352 }
1353 }
1354 else {
1355 return encode_chunk(start, stop, escape, map, chunk);
1356 }
1357
1358 return start;
1359}
1360
1361/*
William Lallemanda1cc3812012-02-08 16:38:44 +01001362 * Write a string in the log string
Dragan Dosen835b9212016-02-12 13:23:03 +01001363 * Take cares of quote and escape options
William Lallemanda1cc3812012-02-08 16:38:44 +01001364 *
Joseph Herlant85b40592018-11-15 12:10:04 -08001365 * Return the address of the \0 character, or NULL on error
William Lallemanda1cc3812012-02-08 16:38:44 +01001366 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001367char *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 +01001368{
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001369 if (size < 2)
1370 return NULL;
William Lallemanda1cc3812012-02-08 16:38:44 +01001371
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001372 if (node->options & LOG_OPT_QUOTE) {
1373 *(dst++) = '"';
1374 size--;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001375 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001376
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001377 if (src && len) {
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001378 if (++len > size)
1379 len = size;
Dragan Dosen835b9212016-02-12 13:23:03 +01001380 if (node->options & LOG_OPT_ESC) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001381 char *ret;
1382
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001383 ret = escape_string(dst, dst + len, '\\', rfc5424_escape_map, src);
Dragan Dosen835b9212016-02-12 13:23:03 +01001384 if (ret == NULL || *ret != '\0')
1385 return NULL;
1386 len = ret - dst;
1387 }
1388 else {
Dragan Dosen835b9212016-02-12 13:23:03 +01001389 len = strlcpy2(dst, src, len);
1390 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001391
1392 size -= len;
1393 dst += len;
1394 }
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001395 else if ((node->options & (LOG_OPT_QUOTE|LOG_OPT_MANDATORY)) == LOG_OPT_MANDATORY) {
1396 if (size < 2)
1397 return NULL;
1398 *(dst++) = '-';
1399 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001400
1401 if (node->options & LOG_OPT_QUOTE) {
1402 if (size < 2)
1403 return NULL;
1404 *(dst++) = '"';
1405 }
1406
1407 *dst = '\0';
William Lallemandbddd4fd2012-02-27 11:23:10 +01001408 return dst;
William Lallemanda1cc3812012-02-08 16:38:44 +01001409}
1410
Willy Tarreau26ffa852018-09-05 15:23:10 +02001411static inline char *lf_text(char *dst, const char *src, size_t size, const struct logformat_node *node)
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001412{
1413 return lf_text_len(dst, src, size, size, node);
1414}
1415
William Lallemand5f232402012-04-05 18:02:55 +02001416/*
Joseph Herlant85b40592018-11-15 12:10:04 -08001417 * Write a IP address to the log string
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001418 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001419 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001420char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001421{
1422 char *ret = dst;
1423 int iret;
1424 char pn[INET6_ADDRSTRLEN];
1425
1426 if (node->options & LOG_OPT_HEXA) {
Radek Zajic594c4562019-03-22 10:21:54 +00001427 unsigned char *addr = NULL;
1428 switch (sockaddr->sa_family) {
1429 case AF_INET:
1430 addr = (unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_addr.s_addr;
1431 iret = snprintf(dst, size, "%02X%02X%02X%02X", addr[0], addr[1], addr[2], addr[3]);
1432 break;
1433 case AF_INET6:
1434 addr = (unsigned char *)&((struct sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr;
1435 iret = snprintf(dst, size, "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
1436 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], addr[6], addr[7],
1437 addr[8], addr[9], addr[10], addr[11], addr[12], addr[13], addr[14], addr[15]);
1438 break;
1439 default:
1440 return NULL;
1441 }
William Lallemand5f232402012-04-05 18:02:55 +02001442 if (iret < 0 || iret > size)
1443 return NULL;
1444 ret += iret;
1445 } else {
1446 addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
1447 ret = lf_text(dst, pn, size, node);
1448 if (ret == NULL)
1449 return NULL;
1450 }
1451 return ret;
1452}
1453
1454/*
1455 * Write a port to the log
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001456 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001457 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001458char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001459{
1460 char *ret = dst;
1461 int iret;
1462
1463 if (node->options & LOG_OPT_HEXA) {
1464 const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
1465 iret = snprintf(dst, size, "%02X%02X", port[0], port[1]);
1466 if (iret < 0 || iret > size)
1467 return NULL;
1468 ret += iret;
1469 } else {
1470 ret = ltoa_o(get_host_port((struct sockaddr_storage *)sockaddr), dst, size);
1471 if (ret == NULL)
1472 return NULL;
1473 }
1474 return ret;
1475}
1476
Emeric Brun54648852020-07-06 15:54:06 +02001477
1478/*
1479 * This function sends the syslog message using a printf format string. It
1480 * expects an LF-terminated message.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001481 */
Emeric Brun54648852020-07-06 15:54:06 +02001482void send_log(struct proxy *p, int level, const char *format, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001483{
Emeric Brun54648852020-07-06 15:54:06 +02001484 va_list argp;
1485 int data_len;
1486
1487 if (level < 0 || format == NULL || logline == NULL)
1488 return;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001489
Emeric Brun54648852020-07-06 15:54:06 +02001490 va_start(argp, format);
1491 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
1492 if (data_len < 0 || data_len > global.max_syslog_len)
1493 data_len = global.max_syslog_len;
1494 va_end(argp);
Willy Tarreaufe944602007-10-25 10:34:16 +02001495
Emeric Brun54648852020-07-06 15:54:06 +02001496 __send_log((p ? &p->logsrvs : NULL), (p ? &p->log_tag : NULL), level,
1497 logline, data_len, default_rfc5424_sd_log_format, 2);
1498}
1499/*
1500 * This function builds a log header of given format using given
1501 * metadata, if format is set to LOF_FORMAT_UNSPEC, it tries
1502 * to determine format based on given metadas. It is useful
1503 * for log-forwarding to be able to forward any format without
1504 * settings.
1505 * This function returns a struct ist array of elements of the header
1506 * nbelem is set to the number of available elements.
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001507 * This function returns currently a maximum of NB_LOG_HDR_IST_ELEMENTS
Emeric Brun54648852020-07-06 15:54:06 +02001508 * elements.
1509 */
1510struct ist *build_log_header(enum log_fmt format, int level, int facility,
1511 struct ist *metadata, size_t *nbelem)
1512{
1513 static THREAD_LOCAL struct {
1514 struct ist ist_vector[NB_LOG_HDR_MAX_ELEMENTS];
1515 char timestamp_buffer[LOG_LEGACYTIME_LEN+1+1];
1516 time_t cur_legacy_time;
1517 char priority_buffer[6];
1518 } hdr_ctx = { .priority_buffer = "<<<<>" };
Willy Tarreaubaaee002006-06-26 02:48:02 +02001519
Emeric Brun54648852020-07-06 15:54:06 +02001520 struct tm logtime;
1521 int len;
1522 int fac_level = 0;
1523 time_t time = date.tv_sec;
Dragan Dosen43885c72015-10-01 13:18:13 +02001524
Emeric Brun54648852020-07-06 15:54:06 +02001525 *nbelem = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001526
Emeric Brun54648852020-07-06 15:54:06 +02001527
1528 if (format == LOG_FORMAT_UNSPEC) {
1529 format = LOG_FORMAT_RAW;
1530 if (metadata) {
1531 /* If a hostname is set, it appears we want to perform syslog
1532 * because only rfc5427 or rfc3164 support an hostname.
1533 */
1534 if (metadata[LOG_META_HOST].len) {
1535 /* If a rfc5424 compliant timestamp is used we consider
1536 * that output format is rfc5424, else legacy format
1537 * is used as specified default for local logs
1538 * in documentation.
1539 */
1540 if ((metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-')
1541 || (metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN))
1542 format = LOG_FORMAT_RFC5424;
1543 else
1544 format = LOG_FORMAT_RFC3164;
1545 }
Emeric Brun0237c4e2020-11-27 16:24:34 +01001546 else if (metadata[LOG_META_TAG].len) {
1547 /* Tag is present but no hostname, we should
Ilya Shipitsinf38a0182020-12-21 01:16:17 +05001548 * consider we try to emit a local log
Emeric Brun0237c4e2020-11-27 16:24:34 +01001549 * in legacy format (analog to RFC3164 but
1550 * with stripped hostname).
1551 */
1552 format = LOG_FORMAT_LOCAL;
1553 }
Emeric Brun54648852020-07-06 15:54:06 +02001554 else if (metadata[LOG_META_PRIO].len) {
1555 /* the source seems a parsed message
1556 * offering a valid level/prio prefix
1557 * so we consider this format.
1558 */
1559 format = LOG_FORMAT_PRIO;
1560 }
1561 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001562 }
1563
Emeric Brun54648852020-07-06 15:54:06 +02001564 /* prepare priority, stored into 1 single elem */
1565 switch (format) {
Emeric Brun0237c4e2020-11-27 16:24:34 +01001566 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001567 case LOG_FORMAT_RFC3164:
1568 case LOG_FORMAT_RFC5424:
1569 case LOG_FORMAT_PRIO:
1570 fac_level = facility << 3;
1571 /* further format ignore the facility */
1572 /* fall through */
1573 case LOG_FORMAT_TIMED:
1574 case LOG_FORMAT_SHORT:
1575 fac_level += level;
1576 hdr_ctx.ist_vector[*nbelem].ptr = &hdr_ctx.priority_buffer[3]; /* last digit of the log level */
1577 do {
1578 *hdr_ctx.ist_vector[*nbelem].ptr = '0' + fac_level % 10;
1579 fac_level /= 10;
1580 hdr_ctx.ist_vector[*nbelem].ptr--;
1581 } while (fac_level && hdr_ctx.ist_vector[*nbelem].ptr > &hdr_ctx.priority_buffer[0]);
1582 *hdr_ctx.ist_vector[*nbelem].ptr = '<';
1583 hdr_ctx.ist_vector[(*nbelem)++].len = &hdr_ctx.priority_buffer[5] - hdr_ctx.ist_vector[0].ptr;
1584 break;
1585 case LOG_FORMAT_ISO:
1586 case LOG_FORMAT_RAW:
1587 break;
1588 case LOG_FORMAT_UNSPEC:
1589 case LOG_FORMATS:
1590 ABORT_NOW();
1591 }
Willy Tarreau094af4e2015-01-07 15:03:42 +01001592
William Lallemand2a4a44f2012-02-06 16:00:33 +01001593
Emeric Brun54648852020-07-06 15:54:06 +02001594 /* prepare timestamp, stored into a max of 4 elems */
1595 switch (format) {
Emeric Brun0237c4e2020-11-27 16:24:34 +01001596 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001597 case LOG_FORMAT_RFC3164:
1598 /* rfc3164 ex: 'Jan 1 00:00:00 ' */
1599 if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1600 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1601 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001602 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001603 break;
1604 }
1605 else if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1606 int month;
1607 char *timestamp = metadata[LOG_META_TIME].ptr;
Dragan Dosen1322d092015-09-22 16:05:32 +02001608
Emeric Brun54648852020-07-06 15:54:06 +02001609 /* iso time always begins like this: '1970-01-01T00:00:00' */
Dragan Dosen1322d092015-09-22 16:05:32 +02001610
Emeric Brun54648852020-07-06 15:54:06 +02001611 /* compute month */
1612 month = 10*(timestamp[5] - '0') + (timestamp[6] - '0');
1613 if (month)
1614 month--;
1615 if (month <= 11) {
1616 /* builds log prefix ex: 'Jan 1 ' */
1617 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1618 "%s %c%c ", monthname[month],
1619 timestamp[8] != '0' ? timestamp[8] : ' ',
1620 timestamp[9]);
1621 /* we reused the timestamp_buffer, signal that it does not
1622 * contain local time anymore
1623 */
1624 hdr_ctx.cur_legacy_time = 0;
1625 if (len == 7) {
1626 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1627 /* adds 'HH:MM:SS' from iso time */
1628 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[11], 8);
1629 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1630 /* we successfully reuse iso time, we can break */
1631 break;
1632 }
1633 }
1634 /* Failed to reuse isotime time, fallback to local legacy time */
1635 }
Dragan Dosen1322d092015-09-22 16:05:32 +02001636
Emeric Brun54648852020-07-06 15:54:06 +02001637 if (unlikely(time != hdr_ctx.cur_legacy_time)) {
1638 /* re-builds timestamp from the current local time */
1639 get_localtime(time, &logtime);
1640
1641 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1642 "%s %2d %02d:%02d:%02d ",
1643 monthname[logtime.tm_mon],
1644 logtime.tm_mday, logtime.tm_hour, logtime.tm_min, logtime.tm_sec);
1645 if (len != LOG_LEGACYTIME_LEN+1)
1646 hdr_ctx.cur_legacy_time = 0;
1647 else
1648 hdr_ctx.cur_legacy_time = time;
1649 }
1650 if (likely(hdr_ctx.cur_legacy_time))
1651 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], LOG_LEGACYTIME_LEN+1);
1652 else
1653 hdr_ctx.ist_vector[(*nbelem)++] = ist2("Jan 1 00:00:00 ", LOG_LEGACYTIME_LEN+1);
1654 break;
1655 case LOG_FORMAT_RFC5424:
1656 /* adds rfc5425 version prefix */
1657 hdr_ctx.ist_vector[(*nbelem)++] = ist2("1 ", 2);
1658 if (metadata && metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-') {
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001659 /* submitted len is NILVALUE, it is a valid timestamp for rfc5425 */
Emeric Brun54648852020-07-06 15:54:06 +02001660 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1661 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1662 break;
1663 }
1664 /* let continue as 'timed' and 'iso' format for usual timestamp */
1665 /* fall through */
1666 case LOG_FORMAT_TIMED:
1667 case LOG_FORMAT_ISO:
1668 /* ISO format ex: '1900:01:01T12:00:00.123456Z'
1669 * '1900:01:01T14:00:00+02:00'
1670 * '1900:01:01T10:00:00.123456-02:00'
1671 */
1672 if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1673 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1674 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001675 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001676 break;
1677 }
1678 else if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1679 int month;
1680 char *timestamp = metadata[LOG_META_TIME].ptr;
1681
1682 for (month = 0; month < 12; month++)
1683 if (!memcmp(monthname[month], timestamp, 3))
1684 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001685
Emeric Brun54648852020-07-06 15:54:06 +02001686 if (month < 12) {
1687
1688 /* get local time to retrieve year */
1689 get_localtime(time, &logtime);
1690
1691 /* year seems changed since log */
1692 if (logtime.tm_mon < month)
1693 logtime.tm_year--;
1694
1695 /* builds rfc5424 prefix ex: '1900-01-01T' */
1696 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1697 "%4d-%02d-%c%cT",
1698 logtime.tm_year+1900, month+1,
1699 timestamp[4] != ' ' ? timestamp[4] : '0',
1700 timestamp[5]);
1701
1702 /* we reused the timestamp_buffer, signal that it does not
1703 * contain local time anymore
1704 */
1705 hdr_ctx.cur_legacy_time = 0;
1706 if (len == 11) {
1707 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1708 /* adds HH:MM:SS from legacy timestamp */
1709 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[7], 8);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001710 /* skip secfraq because it is optional */
Emeric Brun54648852020-07-06 15:54:06 +02001711 /* according to rfc: -00:00 means we don't know the timezone */
1712 hdr_ctx.ist_vector[(*nbelem)++] = ist2("-00:00 ", 7);
1713 /* we successfully reuse legacy time, we can break */
1714 break;
1715 }
1716 }
1717 /* Failed to reuse legacy time, fallback to local iso time */
1718 }
1719 hdr_ctx.ist_vector[(*nbelem)++] = ist2(timeofday_as_iso_us(1), LOG_ISOTIME_MAXLEN + 1);
1720 break;
1721 case LOG_FORMAT_PRIO:
1722 case LOG_FORMAT_SHORT:
1723 case LOG_FORMAT_RAW:
1724 break;
1725 case LOG_FORMAT_UNSPEC:
1726 case LOG_FORMATS:
1727 ABORT_NOW();
Dragan Dosen1322d092015-09-22 16:05:32 +02001728 }
1729
Emeric Brun54648852020-07-06 15:54:06 +02001730 /* prepare other meta data, stored into a max of 10 elems */
1731 switch (format) {
1732 case LOG_FORMAT_RFC3164:
1733 if (metadata && metadata[LOG_META_HOST].len) {
1734 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1735 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1736 }
Emeric Brun0237c4e2020-11-27 16:24:34 +01001737 else /* the caller MUST fill the hostname, this field is mandatory */
Emeric Brun54648852020-07-06 15:54:06 +02001738 hdr_ctx.ist_vector[(*nbelem)++] = ist2("localhost ", 10);
Emeric Brun0237c4e2020-11-27 16:24:34 +01001739 /* fall through */
1740 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001741 if (!metadata || !metadata[LOG_META_TAG].len)
1742 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001743
Emeric Brun54648852020-07-06 15:54:06 +02001744 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1745 if (metadata[LOG_META_PID].len) {
1746 hdr_ctx.ist_vector[(*nbelem)++] = ist2("[", 1);
1747 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1748 hdr_ctx.ist_vector[(*nbelem)++] = ist2("]", 1);
1749 }
1750 hdr_ctx.ist_vector[(*nbelem)++] = ist2(": ", 2);
1751 break;
1752 case LOG_FORMAT_RFC5424:
1753 if (metadata && metadata[LOG_META_HOST].len) {
1754 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1755 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1756 }
1757 else
1758 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
Dragan Dosen1322d092015-09-22 16:05:32 +02001759
Emeric Brun54648852020-07-06 15:54:06 +02001760 if (metadata && metadata[LOG_META_TAG].len) {
1761 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1762 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1763 }
1764 else
1765 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001766
Emeric Brun54648852020-07-06 15:54:06 +02001767 if (metadata && metadata[LOG_META_PID].len) {
1768 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1769 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1770 }
1771 else
1772 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001773
Emeric Brun54648852020-07-06 15:54:06 +02001774 if (metadata && metadata[LOG_META_MSGID].len) {
1775 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_MSGID];
1776 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1777 }
1778 else
1779 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001780
Emeric Brun54648852020-07-06 15:54:06 +02001781 if (metadata && metadata[LOG_META_STDATA].len) {
1782 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_STDATA];
1783 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1784 }
1785 else
1786 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
1787 break;
1788 case LOG_FORMAT_PRIO:
1789 case LOG_FORMAT_SHORT:
1790 case LOG_FORMAT_TIMED:
1791 case LOG_FORMAT_ISO:
1792 case LOG_FORMAT_RAW:
1793 break;
1794 case LOG_FORMAT_UNSPEC:
1795 case LOG_FORMATS:
1796 ABORT_NOW();
1797 }
1798
1799 return hdr_ctx.ist_vector;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001800}
1801
1802/*
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001803 * This function sends a syslog message to <logsrv>.
Emeric Brun54648852020-07-06 15:54:06 +02001804 * The argument <metadata> MUST be an array of size
1805 * LOG_META_FIELDS*sizeof(struct ist) containing data to build the header.
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001806 * It overrides the last byte of the message vector with an LF character.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001807 * Does not return any error,
William Lallemand2a4a44f2012-02-06 16:00:33 +01001808 */
Emeric Brun54648852020-07-06 15:54:06 +02001809static 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 +01001810{
Emeric Brun54648852020-07-06 15:54:06 +02001811 static THREAD_LOCAL struct iovec iovec[NB_LOG_HDR_MAX_ELEMENTS+1+1] = { }; /* header elements + message + LF */
Christopher Fauletf8188c62017-06-02 16:20:16 +02001812 static THREAD_LOCAL struct msghdr msghdr = {
1813 //.msg_iov = iovec,
Emeric Brun54648852020-07-06 15:54:06 +02001814 .msg_iovlen = NB_LOG_HDR_MAX_ELEMENTS+2
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001815 };
Christopher Fauletf8188c62017-06-02 16:20:16 +02001816 static THREAD_LOCAL int logfdunix = -1; /* syslog to AF_UNIX socket */
1817 static THREAD_LOCAL int logfdinet = -1; /* syslog to AF_INET socket */
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001818 int *plogfd;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001819 int sent;
Emeric Brun54648852020-07-06 15:54:06 +02001820 size_t nbelem;
1821 struct ist *msg_header = NULL;
Christopher Fauletf8188c62017-06-02 16:20:16 +02001822
1823 msghdr.msg_iov = iovec;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001824
Emeric Brunfa9d7802020-05-28 14:21:33 +02001825 /* historically some messages used to already contain the trailing LF
1826 * or Zero. Let's remove all trailing LF or Zero
1827 */
Emeric Brun54648852020-07-06 15:54:06 +02001828 while (size && (message[size-1] == '\n' || (message[size-1] == 0)))
Emeric Brun9e8ea0a2020-05-12 19:33:15 +02001829 size--;
1830
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001831 if (logsrv->type == LOG_TARGET_BUFFER) {
Willy Tarreauc046d162019-08-30 15:24:59 +02001832 plogfd = NULL;
Emeric Brune709e1e2020-05-06 17:23:59 +02001833 goto send;
Willy Tarreauc046d162019-08-30 15:24:59 +02001834 }
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001835 else if (logsrv->addr.ss_family == AF_CUST_EXISTING_FD) {
1836 /* the socket's address is a file descriptor */
1837 plogfd = (int *)&((struct sockaddr_in *)&logsrv->addr)->sin_addr.s_addr;
1838 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001839 else if (logsrv->addr.ss_family == AF_UNIX)
1840 plogfd = &logfdunix;
1841 else
1842 plogfd = &logfdinet;
Robert Tsai81ae1952007-12-05 10:47:29 +01001843
Willy Tarreauc046d162019-08-30 15:24:59 +02001844 if (plogfd && unlikely(*plogfd < 0)) {
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001845 /* socket not successfully initialized yet */
1846 if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM,
1847 (logsrv->addr.ss_family == AF_UNIX) ? 0 : IPPROTO_UDP)) < 0) {
1848 static char once;
William Lallemand0f99e342011-10-12 17:50:54 +02001849
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001850 if (!once) {
1851 once = 1; /* note: no need for atomic ops here */
1852 ha_alert("socket() failed in logger #%d: %s (errno=%d)\n",
1853 nblogger, strerror(errno), errno);
1854 }
1855 return;
1856 } else {
1857 /* we don't want to receive anything on this socket */
1858 setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
1859 /* does nothing under Linux, maybe needed for others */
1860 shutdown(*plogfd, SHUT_RD);
1861 fcntl(*plogfd, F_SETFD, fcntl(*plogfd, F_GETFD, FD_CLOEXEC) | FD_CLOEXEC);
1862 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001863 }
1864
Emeric Brun54648852020-07-06 15:54:06 +02001865 msg_header = build_log_header(logsrv->format, level, facility, metadata, &nbelem);
1866 send:
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001867 if (logsrv->type == LOG_TARGET_BUFFER) {
Emeric Brun54648852020-07-06 15:54:06 +02001868 struct ist msg;
1869
1870 msg = ist2(message, size);
1871 if (msg.len > logsrv->maxlen)
1872 msg.len = logsrv->maxlen;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001873
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001874 sent = sink_write(logsrv->sink, &msg, 1, level, logsrv->facility, metadata);
1875 }
1876 else if (logsrv->addr.ss_family == AF_CUST_EXISTING_FD) {
1877 struct ist msg;
1878
1879 msg = ist2(message, size);
1880 if (msg.len > logsrv->maxlen)
1881 msg.len = logsrv->maxlen;
1882
1883 sent = fd_write_frag_line(*plogfd, logsrv->maxlen, msg_header, nbelem, &msg, 1, 1);
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001884 }
1885 else {
Emeric Brun54648852020-07-06 15:54:06 +02001886 int i = 0;
1887 int totlen = logsrv->maxlen;
1888
1889 for (i = 0 ; i < nbelem ; i++ ) {
1890 iovec[i].iov_base = msg_header[i].ptr;
1891 iovec[i].iov_len = msg_header[i].len;
1892 if (totlen <= iovec[i].iov_len) {
1893 iovec[i].iov_len = totlen;
1894 totlen = 0;
1895 break;
1896 }
1897 totlen -= iovec[i].iov_len;
1898 }
1899 if (totlen) {
1900 iovec[i].iov_base = message;
1901 iovec[i].iov_len = size;
1902 if (totlen <= iovec[i].iov_len)
1903 iovec[i].iov_len = totlen;
1904 i++;
1905 }
1906 iovec[i].iov_base = "\n"; /* insert a \n at the end of the message */
1907 iovec[i].iov_len = 1;
1908 i++;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001909
Emeric Brun54648852020-07-06 15:54:06 +02001910 msghdr.msg_iovlen = i;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001911 msghdr.msg_name = (struct sockaddr *)&logsrv->addr;
1912 msghdr.msg_namelen = get_addr_len(&logsrv->addr);
Dragan Dosen43885c72015-10-01 13:18:13 +02001913
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001914 sent = sendmsg(*plogfd, &msghdr, MSG_DONTWAIT | MSG_NOSIGNAL);
1915 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001916
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001917 if (sent < 0) {
1918 static char once;
Dragan Dosen43885c72015-10-01 13:18:13 +02001919
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001920 if (errno == EAGAIN)
Willy Tarreau4781b152021-04-06 13:53:36 +02001921 _HA_ATOMIC_INC(&dropped_logs);
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001922 else if (!once) {
1923 once = 1; /* note: no need for atomic ops here */
1924 ha_alert("sendmsg()/writev() failed in logger #%d: %s (errno=%d)\n",
1925 nblogger, strerror(errno), errno);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001926 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001927 }
1928}
Dragan Dosen59cee972015-09-19 22:09:02 +02001929
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001930/*
1931 * This function sends a syslog message.
1932 * It doesn't care about errors nor does it report them.
Emeric Brun54648852020-07-06 15:54:06 +02001933 * The argument <metadata> MUST be an array of size
1934 * LOG_META_FIELDS*sizeof(struct ist) containing
1935 * data to build the header.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001936 */
Emeric Brun54648852020-07-06 15:54:06 +02001937void process_send_log(struct list *logsrvs, int level, int facility,
1938 struct ist *metadata, char *message, size_t size)
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001939{
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001940 struct logsrv *logsrv;
1941 int nblogger;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001942
1943 /* Send log messages to syslog server. */
1944 nblogger = 0;
1945 list_for_each_entry(logsrv, logsrvs, list) {
Emeric Brun2f4cc282020-07-10 15:47:11 +02001946 int in_range = 1;
Frédéric Lécailled803e472019-04-25 07:42:09 +02001947
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001948 /* we can filter the level of the messages that are sent to each logger */
1949 if (level > logsrv->level)
1950 continue;
1951
Frédéric Lécailled803e472019-04-25 07:42:09 +02001952 if (logsrv->lb.smp_rgs) {
1953 struct smp_log_range *curr_rg;
1954
1955 HA_SPIN_LOCK(LOGSRV_LOCK, &logsrv->lock);
1956 curr_rg = &logsrv->lb.smp_rgs[logsrv->lb.curr_rg];
1957 in_range = in_smp_log_range(curr_rg, logsrv->lb.curr_idx);
1958 if (in_range) {
1959 /* Let's consume this range. */
1960 curr_rg->curr_idx = (curr_rg->curr_idx + 1) % curr_rg->sz;
1961 if (!curr_rg->curr_idx) {
1962 /* If consumed, let's select the next range. */
1963 logsrv->lb.curr_rg = (logsrv->lb.curr_rg + 1) % logsrv->lb.smp_rgs_sz;
1964 }
1965 }
1966 logsrv->lb.curr_idx = (logsrv->lb.curr_idx + 1) % logsrv->lb.smp_sz;
1967 HA_SPIN_UNLOCK(LOGSRV_LOCK, &logsrv->lock);
1968 }
1969 if (in_range)
Emeric Brun54648852020-07-06 15:54:06 +02001970 __do_send_log(logsrv, ++nblogger, MAX(level, logsrv->minlvl),
1971 (facility == -1) ? logsrv->facility : facility,
1972 metadata, message, size);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001973 }
1974}
1975
Emeric Brun54648852020-07-06 15:54:06 +02001976/*
1977 * This function sends a syslog message.
1978 * It doesn't care about errors nor does it report them.
1979 * The arguments <sd> and <sd_size> are used for the structured-data part
1980 * in RFC5424 formatted syslog messages.
1981 */
1982void __send_log(struct list *logsrvs, struct buffer *tagb, int level,
1983 char *message, size_t size, char *sd, size_t sd_size)
1984{
1985 static THREAD_LOCAL pid_t curr_pid;
1986 static THREAD_LOCAL char pidstr[16];
1987 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
1988
1989 if (logsrvs == NULL) {
1990 if (!LIST_ISEMPTY(&global.logsrvs)) {
1991 logsrvs = &global.logsrvs;
1992 }
1993 }
1994 if (!logsrvs || LIST_ISEMPTY(logsrvs))
1995 return;
1996
1997 if (!metadata[LOG_META_HOST].len) {
1998 if (global.log_send_hostname)
1999 metadata[LOG_META_HOST] = ist2(global.log_send_hostname, strlen(global.log_send_hostname));
Emeric Brun54648852020-07-06 15:54:06 +02002000 }
2001
2002 if (!tagb || !tagb->area)
2003 tagb = &global.log_tag;
2004
2005 if (tagb)
2006 metadata[LOG_META_TAG] = ist2(tagb->area, tagb->data);
2007
2008 if (unlikely(curr_pid != getpid()))
2009 metadata[LOG_META_PID].len = 0;
2010
2011 if (!metadata[LOG_META_PID].len) {
2012 curr_pid = getpid();
2013 ltoa_o(curr_pid, pidstr, sizeof(pidstr));
2014 metadata[LOG_META_PID] = ist2(pidstr, strlen(pidstr));
2015 }
2016
2017 metadata[LOG_META_STDATA] = ist2(sd, sd_size);
2018
2019 /* Remove trailing space of structured data */
2020 while (metadata[LOG_META_STDATA].len && metadata[LOG_META_STDATA].ptr[metadata[LOG_META_STDATA].len-1] == ' ')
2021 metadata[LOG_META_STDATA].len--;
2022
2023 return process_send_log(logsrvs, level, -1, metadata, message, size);
2024}
Willy Tarreaubaaee002006-06-26 02:48:02 +02002025
Willy Tarreauc89ccb62012-04-05 21:18:22 +02002026const 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 +01002027const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
2028 Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
2029 Set-cookie Updated, unknown, unknown */
2030
William Lallemand1d705562012-03-12 12:46:41 +01002031/*
2032 * try to write a character if there is enough space, or goto out
2033 */
William Lallemandbddd4fd2012-02-27 11:23:10 +01002034#define LOGCHAR(x) do { \
William Lallemand1d705562012-03-12 12:46:41 +01002035 if (tmplog < dst + maxsize - 1) { \
William Lallemandbddd4fd2012-02-27 11:23:10 +01002036 *(tmplog++) = (x); \
2037 } else { \
2038 goto out; \
2039 } \
2040 } while(0)
2041
Dragan Dosen835b9212016-02-12 13:23:03 +01002042
Willy Tarreaub6b3df32018-11-26 16:31:20 +01002043/* Initializes some log data at boot */
2044static void init_log()
Dragan Dosen835b9212016-02-12 13:23:03 +01002045{
2046 char *tmp;
Willy Tarreaue10cd482018-09-10 18:16:53 +02002047 int i;
Dragan Dosen835b9212016-02-12 13:23:03 +01002048
2049 /* Initialize the escape map for the RFC5424 structured-data : '"\]'
2050 * inside PARAM-VALUE should be escaped with '\' as prefix.
2051 * See https://tools.ietf.org/html/rfc5424#section-6.3.3 for more
2052 * details.
2053 */
2054 memset(rfc5424_escape_map, 0, sizeof(rfc5424_escape_map));
2055
2056 tmp = "\"\\]";
2057 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002058 ha_bit_set(*tmp, rfc5424_escape_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01002059 tmp++;
2060 }
Willy Tarreaue10cd482018-09-10 18:16:53 +02002061
2062 /* initialize the log header encoding map : '{|}"#' should be encoded with
2063 * '#' as prefix, as well as non-printable characters ( <32 or >= 127 ).
2064 * URL encoding only requires '"', '#' to be encoded as well as non-
2065 * printable characters above.
2066 */
2067 memset(hdr_encode_map, 0, sizeof(hdr_encode_map));
2068 memset(url_encode_map, 0, sizeof(url_encode_map));
2069 for (i = 0; i < 32; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002070 ha_bit_set(i, hdr_encode_map);
2071 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002072 }
2073 for (i = 127; i < 256; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002074 ha_bit_set(i, hdr_encode_map);
2075 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002076 }
2077
2078 tmp = "\"#{|}";
2079 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002080 ha_bit_set(*tmp, hdr_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002081 tmp++;
2082 }
2083
2084 tmp = "\"#";
2085 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002086 ha_bit_set(*tmp, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002087 tmp++;
2088 }
2089
2090 /* initialize the http header encoding map. The draft httpbis define the
2091 * header content as:
2092 *
2093 * HTTP-message = start-line
2094 * *( header-field CRLF )
2095 * CRLF
2096 * [ message-body ]
2097 * header-field = field-name ":" OWS field-value OWS
2098 * field-value = *( field-content / obs-fold )
2099 * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
2100 * obs-fold = CRLF 1*( SP / HTAB )
2101 * field-vchar = VCHAR / obs-text
2102 * VCHAR = %x21-7E
2103 * obs-text = %x80-FF
2104 *
2105 * All the chars are encoded except "VCHAR", "obs-text", SP and HTAB.
2106 * The encoded chars are form 0x00 to 0x08, 0x0a to 0x1f and 0x7f. The
Joseph Herlant85b40592018-11-15 12:10:04 -08002107 * "obs-fold" is voluntarily forgotten because haproxy remove this.
Willy Tarreaue10cd482018-09-10 18:16:53 +02002108 */
2109 memset(http_encode_map, 0, sizeof(http_encode_map));
2110 for (i = 0x00; i <= 0x08; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002111 ha_bit_set(i, http_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002112 for (i = 0x0a; i <= 0x1f; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002113 ha_bit_set(i, http_encode_map);
2114 ha_bit_set(0x7f, http_encode_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01002115}
William Lallemand1d705562012-03-12 12:46:41 +01002116
Willy Tarreaub6b3df32018-11-26 16:31:20 +01002117INITCALL0(STG_PREPARE, init_log);
2118
Christopher Faulet0132d062017-07-26 15:33:35 +02002119/* Initialize log buffers used for syslog messages */
2120int init_log_buffers()
2121{
Christopher Faulet0132d062017-07-26 15:33:35 +02002122 logline = my_realloc2(logline, global.max_syslog_len + 1);
2123 logline_rfc5424 = my_realloc2(logline_rfc5424, global.max_syslog_len + 1);
Emeric Brun54648852020-07-06 15:54:06 +02002124 if (!logline || !logline_rfc5424)
Christopher Faulet0132d062017-07-26 15:33:35 +02002125 return 0;
2126 return 1;
2127}
2128
2129/* Deinitialize log buffers used for syslog messages */
2130void deinit_log_buffers()
2131{
Christopher Faulet0132d062017-07-26 15:33:35 +02002132 free(logline);
2133 free(logline_rfc5424);
Willy Tarreau869efd52019-11-15 15:16:57 +01002134 ring_free(_HA_ATOMIC_XCHG(&startup_logs, NULL));
Christopher Faulet0132d062017-07-26 15:33:35 +02002135 logline = NULL;
2136 logline_rfc5424 = NULL;
2137}
2138
Willy Tarreaudf974472012-12-28 02:44:01 +01002139/* Builds a log line in <dst> based on <list_format>, and stops before reaching
2140 * <maxsize> characters. Returns the size of the output string in characters,
2141 * not counting the trailing zero which is always added if the resulting size
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002142 * is not zero. It requires a valid session and optionally a stream. If the
2143 * stream is NULL, default values will be assumed for the stream part.
Willy Tarreaudf974472012-12-28 02:44:01 +01002144 */
Willy Tarreau43c538e2018-09-05 14:58:15 +02002145int 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 +02002146{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002147 struct proxy *fe = sess->fe;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002148 struct proxy *be;
2149 struct http_txn *txn;
2150 const struct strm_logs *logs;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002151 struct connection *fe_conn, *be_conn;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002152 unsigned int s_flags;
2153 unsigned int uniq_id;
Willy Tarreau83061a82018-07-13 11:56:34 +02002154 struct buffer chunk;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002155 char *uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002156 char *spc;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002157 char *qmark;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002158 char *end;
Willy Tarreaufe944602007-10-25 10:34:16 +02002159 struct tm tm;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002160 int t_request;
2161 int hdr;
2162 int last_isspace = 1;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002163 int nspaces = 0;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01002164 char *tmplog;
William Lallemand1d705562012-03-12 12:46:41 +01002165 char *ret;
2166 int iret;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002167 int status;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002168 struct logformat_node *tmp;
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002169 struct timeval tv;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002170 struct strm_logs tmp_strm_log;
Maciej Zdebfcdfd852020-11-30 18:27:47 +00002171 struct ist path;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002172
William Lallemandbddd4fd2012-02-27 11:23:10 +01002173 /* FIXME: let's limit ourselves to frontend logging for now. */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002174
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002175 if (likely(s)) {
2176 be = s->be;
2177 txn = s->txn;
2178 be_conn = cs_conn(objt_cs(s->si[1].end));
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002179 status = (txn ? txn->status : 0);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002180 s_flags = s->flags;
2181 uniq_id = s->uniq_id;
2182 logs = &s->logs;
2183 } else {
2184 /* we have no stream so we first need to initialize a few
2185 * things that are needed later. We do increment the request
2186 * ID so that it's uniquely assigned to this request just as
2187 * if the request had reached the point of being processed.
2188 * A request error is reported as it's the only element we have
2189 * here and which justifies emitting such a log.
2190 */
Christopher Fauletfd818482021-04-14 14:01:41 +02002191 be = ((obj_type(sess->origin) == OBJ_TYPE_CHECK) ? __objt_check(sess->origin)->proxy : fe);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002192 txn = NULL;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002193 fe_conn = objt_conn(sess->origin);
Christopher Fauletfd818482021-04-14 14:01:41 +02002194 be_conn = ((obj_type(sess->origin) == OBJ_TYPE_CHECK) ? cs_conn(__objt_check(sess->origin)->cs) : NULL);
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002195 status = 0;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002196 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
Willy Tarreau18515722021-04-06 11:57:41 +02002197 uniq_id = _HA_ATOMIC_FETCH_ADD(&global.req_count, 1);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002198
2199 /* prepare a valid log structure */
2200 tmp_strm_log.tv_accept = sess->tv_accept;
2201 tmp_strm_log.accept_date = sess->accept_date;
2202 tmp_strm_log.t_handshake = sess->t_handshake;
Christopher Fauletdd789212020-09-30 15:10:07 +02002203 tmp_strm_log.t_idle = (sess->t_idle >= 0 ? sess->t_idle : 0);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002204 tv_zero(&tmp_strm_log.tv_request);
2205 tmp_strm_log.t_queue = -1;
2206 tmp_strm_log.t_connect = -1;
2207 tmp_strm_log.t_data = -1;
2208 tmp_strm_log.t_close = tv_ms_elapsed(&sess->tv_accept, &now);
2209 tmp_strm_log.bytes_in = 0;
2210 tmp_strm_log.bytes_out = 0;
2211 tmp_strm_log.prx_queue_pos = 0;
2212 tmp_strm_log.srv_queue_pos = 0;
2213
2214 logs = &tmp_strm_log;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002215
2216 if ((fe->mode == PR_MODE_HTTP) && fe_conn && fe_conn->mux && fe_conn->mux->ctl) {
2217 enum mux_exit_status es = fe_conn->mux->ctl(fe_conn, MUX_EXIT_STATUS, NULL);
2218
2219 switch (es) {
2220 case MUX_ES_SUCCESS:
2221 break;
2222 case MUX_ES_INVALID_ERR:
2223 status = 400;
2224 if ((fe_conn->flags & CO_FL_ERROR) || conn_xprt_read0_pending(fe_conn))
2225 s_flags = SF_ERR_CLICL | SF_FINST_R;
2226 else
2227 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
2228 break;
2229 case MUX_ES_TOUT_ERR:
2230 status = 408;
2231 s_flags = SF_ERR_CLITO | SF_FINST_R;
2232 break;
Christopher Faulet142dd332020-12-07 11:24:37 +01002233 case MUX_ES_NOTIMPL_ERR:
2234 status = 501;
2235 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
2236 break;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002237 case MUX_ES_INTERNAL_ERR:
2238 status = 500;
2239 s_flags = SF_ERR_INTERNAL | SF_FINST_R;
2240 break;
2241 default:
2242 break;
2243 }
2244 }
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002245 }
2246
William Lallemandbddd4fd2012-02-27 11:23:10 +01002247 t_request = -1;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002248 if (tv_isge(&logs->tv_request, &logs->tv_accept))
2249 t_request = tv_ms_elapsed(&logs->tv_accept, &logs->tv_request);
William Lallemandbddd4fd2012-02-27 11:23:10 +01002250
William Lallemand1d705562012-03-12 12:46:41 +01002251 tmplog = dst;
Willy Tarreauc9bd0cc2009-05-10 11:57:02 +02002252
William Lallemandbddd4fd2012-02-27 11:23:10 +01002253 /* fill logbuffer */
William Lallemand1d705562012-03-12 12:46:41 +01002254 if (LIST_ISEMPTY(list_format))
2255 return 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002256
William Lallemand1d705562012-03-12 12:46:41 +01002257 list_for_each_entry(tmp, list_format, list) {
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002258 struct connection *conn;
Willy Tarreau4f653562012-10-12 19:48:16 +02002259 const char *src = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +01002260 struct sample *key;
Willy Tarreau83061a82018-07-13 11:56:34 +02002261 const struct buffer empty = { };
William Lallemandbddd4fd2012-02-27 11:23:10 +01002262
Willy Tarreauc8368452012-12-21 00:09:23 +01002263 switch (tmp->type) {
William Lallemand1d705562012-03-12 12:46:41 +01002264 case LOG_FMT_SEPARATOR:
William Lallemandbddd4fd2012-02-27 11:23:10 +01002265 if (!last_isspace) {
2266 LOGCHAR(' ');
2267 last_isspace = 1;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002268 }
2269 break;
2270
William Lallemand1d705562012-03-12 12:46:41 +01002271 case LOG_FMT_TEXT: // text
William Lallemandbddd4fd2012-02-27 11:23:10 +01002272 src = tmp->arg;
William Lallemand5f232402012-04-05 18:02:55 +02002273 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002274 if (iret == 0)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002275 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002276 tmplog += iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002277 last_isspace = 0;
2278 break;
2279
Willy Tarreauc8368452012-12-21 00:09:23 +01002280 case LOG_FMT_EXPR: // sample expression, may be request or response
2281 key = NULL;
Christopher Faulet5f940702020-04-06 10:40:02 +02002282 if (tmp->options & LOG_OPT_REQ_CAP)
Adis Nezirovic79beb242015-07-06 15:41:02 +02002283 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 +02002284 if (!key && (tmp->options & LOG_OPT_RES_CAP))
Adis Nezirovic79beb242015-07-06 15:41:02 +02002285 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 +01002286 if (tmp->options & LOG_OPT_HTTP)
Dragan Dosen835b9212016-02-12 13:23:03 +01002287 ret = lf_encode_chunk(tmplog, dst + maxsize,
2288 '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01002289 else
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002290 ret = lf_text_len(tmplog,
2291 key ? key->data.u.str.area : NULL,
2292 key ? key->data.u.str.data : 0,
2293 dst + maxsize - tmplog,
2294 tmp);
Willy Tarreauc8368452012-12-21 00:09:23 +01002295 if (ret == 0)
2296 goto out;
2297 tmplog = ret;
2298 last_isspace = 0;
2299 break;
2300
Willy Tarreau2beef582012-12-20 17:22:52 +01002301 case LOG_FMT_CLIENTIP: // %ci
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002302 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002303 if (conn && conn_get_src(conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002304 ret = lf_ip(tmplog, (struct sockaddr *)conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002305 else
2306 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002307 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002308 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002309 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002310 last_isspace = 0;
2311 break;
2312
Willy Tarreau2beef582012-12-20 17:22:52 +01002313 case LOG_FMT_CLIENTPORT: // %cp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002314 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002315 if (conn && conn_get_src(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002316 if (conn->src->ss_family == AF_UNIX) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002317 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002318 } else {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002319 ret = lf_port(tmplog, (struct sockaddr *)conn->src,
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002320 dst + maxsize - tmplog, tmp);
2321 }
William Lallemand5f232402012-04-05 18:02:55 +02002322 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002323 else
2324 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2325
William Lallemand5f232402012-04-05 18:02:55 +02002326 if (ret == NULL)
2327 goto out;
2328 tmplog = ret;
2329 last_isspace = 0;
2330 break;
2331
Willy Tarreau2beef582012-12-20 17:22:52 +01002332 case LOG_FMT_FRONTENDIP: // %fi
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002333 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002334 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002335 ret = lf_ip(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002336 }
2337 else
2338 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2339
William Lallemand1d705562012-03-12 12:46:41 +01002340 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002341 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002342 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002343 last_isspace = 0;
2344 break;
2345
Willy Tarreau2beef582012-12-20 17:22:52 +01002346 case LOG_FMT_FRONTENDPORT: // %fp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002347 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002348 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002349 if (conn->dst->ss_family == AF_UNIX)
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002350 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002351 else
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002352 ret = lf_port(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
William Lallemand5f232402012-04-05 18:02:55 +02002353 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002354 else
2355 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2356
William Lallemand5f232402012-04-05 18:02:55 +02002357 if (ret == NULL)
2358 goto out;
2359 tmplog = ret;
2360 last_isspace = 0;
2361 break;
2362
Willy Tarreau2beef582012-12-20 17:22:52 +01002363 case LOG_FMT_BACKENDIP: // %bi
Willy Tarreau8fa99842019-07-17 11:47:11 +02002364 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002365 ret = lf_ip(tmplog, (const struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002366 else
2367 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2368
William Lallemand1d705562012-03-12 12:46:41 +01002369 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002370 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002371 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002372 last_isspace = 0;
2373 break;
2374
Willy Tarreau2beef582012-12-20 17:22:52 +01002375 case LOG_FMT_BACKENDPORT: // %bp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002376 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002377 ret = lf_port(tmplog, (struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002378 else
2379 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2380
William Lallemand5f232402012-04-05 18:02:55 +02002381 if (ret == NULL)
2382 goto out;
2383 tmplog = ret;
2384 last_isspace = 0;
2385 break;
2386
Willy Tarreau2beef582012-12-20 17:22:52 +01002387 case LOG_FMT_SERVERIP: // %si
Willy Tarreau8fa99842019-07-17 11:47:11 +02002388 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002389 ret = lf_ip(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002390 else
2391 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2392
William Lallemand5f232402012-04-05 18:02:55 +02002393 if (ret == NULL)
2394 goto out;
2395 tmplog = ret;
2396 last_isspace = 0;
2397 break;
2398
Willy Tarreau2beef582012-12-20 17:22:52 +01002399 case LOG_FMT_SERVERPORT: // %sp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002400 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002401 ret = lf_port(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002402 else
2403 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2404
William Lallemand1d705562012-03-12 12:46:41 +01002405 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002406 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002407 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002408 last_isspace = 0;
2409 break;
2410
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002411 case LOG_FMT_DATE: // %t = accept date
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002412 get_localtime(logs->accept_date.tv_sec, &tm);
2413 ret = date2str_log(tmplog, &tm, &logs->accept_date, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002414 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002415 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002416 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002417 last_isspace = 0;
2418 break;
2419
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002420 case LOG_FMT_tr: // %tr = start of request date
2421 /* Note that the timers are valid if we get here */
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002422 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 +02002423 get_localtime(tv.tv_sec, &tm);
2424 ret = date2str_log(tmplog, &tm, &tv, dst + maxsize - tmplog);
2425 if (ret == NULL)
2426 goto out;
2427 tmplog = ret;
2428 last_isspace = 0;
2429 break;
2430
2431 case LOG_FMT_DATEGMT: // %T = accept date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002432 get_gmtime(logs->accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02002433 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002434 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002435 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002436 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002437 last_isspace = 0;
2438 break;
2439
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002440 case LOG_FMT_trg: // %trg = start of request date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002441 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 +02002442 get_gmtime(tv.tv_sec, &tm);
2443 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
2444 if (ret == NULL)
2445 goto out;
2446 tmplog = ret;
2447 last_isspace = 0;
2448 break;
2449
2450 case LOG_FMT_DATELOCAL: // %Tl = accept date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002451 get_localtime(logs->accept_date.tv_sec, &tm);
2452 ret = localdate2str_log(tmplog, logs->accept_date.tv_sec, &tm, dst + maxsize - tmplog);
Yuxans Yao4e25b012012-10-19 10:36:09 +08002453 if (ret == NULL)
2454 goto out;
2455 tmplog = ret;
2456 last_isspace = 0;
2457 break;
2458
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002459 case LOG_FMT_trl: // %trl = start of request date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002460 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 +02002461 get_localtime(tv.tv_sec, &tm);
2462 ret = localdate2str_log(tmplog, tv.tv_sec, &tm, dst + maxsize - tmplog);
2463 if (ret == NULL)
2464 goto out;
2465 tmplog = ret;
2466 last_isspace = 0;
2467 break;
2468
William Lallemand5f232402012-04-05 18:02:55 +02002469 case LOG_FMT_TS: // %Ts
William Lallemand5f232402012-04-05 18:02:55 +02002470 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002471 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", (unsigned int)logs->accept_date.tv_sec);
William Lallemand5f232402012-04-05 18:02:55 +02002472 if (iret < 0 || iret > dst + maxsize - tmplog)
2473 goto out;
2474 last_isspace = 0;
2475 tmplog += iret;
2476 } else {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002477 ret = ltoa_o(logs->accept_date.tv_sec, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002478 if (ret == NULL)
2479 goto out;
2480 tmplog = ret;
2481 last_isspace = 0;
2482 }
2483 break;
2484
William Lallemand1d705562012-03-12 12:46:41 +01002485 case LOG_FMT_MS: // %ms
William Lallemand5f232402012-04-05 18:02:55 +02002486 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002487 iret = snprintf(tmplog, dst + maxsize - tmplog, "%02X",(unsigned int)logs->accept_date.tv_usec/1000);
William Lallemand5f232402012-04-05 18:02:55 +02002488 if (iret < 0 || iret > dst + maxsize - tmplog)
2489 goto out;
2490 last_isspace = 0;
2491 tmplog += iret;
2492 } else {
2493 if ((dst + maxsize - tmplog) < 4)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002494 goto out;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002495 ret = utoa_pad((unsigned int)logs->accept_date.tv_usec/1000,
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002496 tmplog, 4);
2497 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002498 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002499 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002500 last_isspace = 0;
William Lallemand5f232402012-04-05 18:02:55 +02002501 }
2502 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002503
William Lallemand1d705562012-03-12 12:46:41 +01002504 case LOG_FMT_FRONTEND: // %f
William Lallemandbddd4fd2012-02-27 11:23:10 +01002505 src = fe->id;
William Lallemand5f232402012-04-05 18:02:55 +02002506 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002507 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002508 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002509 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002510 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002511 break;
2512
Willy Tarreau773d65f2012-10-12 14:56:11 +02002513 case LOG_FMT_FRONTEND_XPRT: // %ft
2514 src = fe->id;
2515 if (tmp->options & LOG_OPT_QUOTE)
2516 LOGCHAR('"');
2517 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
2518 if (iret == 0)
2519 goto out;
2520 tmplog += iret;
Christopher Fauletfd818482021-04-14 14:01:41 +02002521 if (sess->listener && sess->listener->bind_conf->xprt == xprt_get(XPRT_SSL))
Willy Tarreau773d65f2012-10-12 14:56:11 +02002522 LOGCHAR('~');
Willy Tarreau773d65f2012-10-12 14:56:11 +02002523 if (tmp->options & LOG_OPT_QUOTE)
2524 LOGCHAR('"');
2525 last_isspace = 0;
2526 break;
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002527#ifdef USE_OPENSSL
2528 case LOG_FMT_SSL_CIPHER: // %sslc
2529 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002530 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002531 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002532 src = ssl_sock_get_cipher_name(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002533 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002534 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2535 if (ret == NULL)
2536 goto out;
2537 tmplog = ret;
2538 last_isspace = 0;
2539 break;
Willy Tarreau773d65f2012-10-12 14:56:11 +02002540
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002541 case LOG_FMT_SSL_VERSION: // %sslv
2542 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002543 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002544 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002545 src = ssl_sock_get_proto_version(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002546 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002547 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2548 if (ret == NULL)
2549 goto out;
2550 tmplog = ret;
2551 last_isspace = 0;
2552 break;
2553#endif
William Lallemand1d705562012-03-12 12:46:41 +01002554 case LOG_FMT_BACKEND: // %b
William Lallemandbddd4fd2012-02-27 11:23:10 +01002555 src = be->id;
William Lallemand5f232402012-04-05 18:02:55 +02002556 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002557 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002558 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002559 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002560 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002561 break;
2562
William Lallemand1d705562012-03-12 12:46:41 +01002563 case LOG_FMT_SERVER: // %s
Christopher Fauletfd818482021-04-14 14:01:41 +02002564 switch (obj_type(s ? s->target : sess->origin)) {
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002565 case OBJ_TYPE_SERVER:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002566 src = __objt_server(s->target)->id;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002567 break;
2568 case OBJ_TYPE_APPLET:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002569 src = __objt_applet(s->target)->name;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002570 break;
Christopher Fauletfd818482021-04-14 14:01:41 +02002571 case OBJ_TYPE_CHECK:
2572 src = (__objt_check(sess->origin)->server
2573 ? __objt_check(sess->origin)->server->id
2574 : "<NOSRV>");
2575 break;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002576 default:
2577 src = "<NOSRV>";
2578 break;
2579 }
William Lallemand5f232402012-04-05 18:02:55 +02002580 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
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
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002587 case LOG_FMT_Th: // %Th = handshake time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002588 ret = ltoa_o(logs->t_handshake, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002589 if (ret == NULL)
2590 goto out;
2591 tmplog = ret;
2592 last_isspace = 0;
2593 break;
2594
2595 case LOG_FMT_Ti: // %Ti = HTTP idle time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002596 ret = ltoa_o(logs->t_idle, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002597 if (ret == NULL)
2598 goto out;
2599 tmplog = ret;
2600 last_isspace = 0;
2601 break;
2602
2603 case LOG_FMT_TR: // %TR = HTTP request time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002604 ret = ltoa_o((t_request >= 0) ? t_request - logs->t_idle - logs->t_handshake : -1,
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002605 tmplog, dst + maxsize - tmplog);
2606 if (ret == NULL)
2607 goto out;
2608 tmplog = ret;
2609 last_isspace = 0;
2610 break;
2611
2612 case LOG_FMT_TQ: // %Tq = Th + Ti + TR
William Lallemand5f232402012-04-05 18:02:55 +02002613 ret = ltoa_o(t_request, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002614 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002615 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002616 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002617 last_isspace = 0;
2618 break;
2619
William Lallemand1d705562012-03-12 12:46:41 +01002620 case LOG_FMT_TW: // %Tw
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002621 ret = ltoa_o((logs->t_queue >= 0) ? logs->t_queue - t_request : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002622 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002623 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002624 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002625 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002626 last_isspace = 0;
2627 break;
2628
William Lallemand1d705562012-03-12 12:46:41 +01002629 case LOG_FMT_TC: // %Tc
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002630 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_connect - logs->t_queue : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002631 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002632 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002633 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002634 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002635 last_isspace = 0;
2636 break;
2637
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002638 case LOG_FMT_Tr: // %Tr
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002639 ret = ltoa_o((logs->t_data >= 0) ? logs->t_data - logs->t_connect : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002640 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002641 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002642 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002643 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002644 last_isspace = 0;
2645 break;
2646
Willy Tarreau27b639d2016-05-17 17:55:27 +02002647 case LOG_FMT_TD: // %Td
Willy Tarreaua21c0e62018-09-05 15:07:15 +02002648 if (be->mode == PR_MODE_HTTP)
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002649 ret = ltoa_o((logs->t_data >= 0) ? logs->t_close - logs->t_data : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002650 tmplog, dst + maxsize - tmplog);
2651 else
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002652 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_close - logs->t_connect : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002653 tmplog, dst + maxsize - tmplog);
2654 if (ret == NULL)
2655 goto out;
2656 tmplog = ret;
2657 last_isspace = 0;
2658 break;
2659
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002660 case LOG_FMT_Ta: // %Ta = active time = Tt - Th - Ti
2661 if (!(fe->to_log & LW_BYTES))
2662 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002663 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 +02002664 tmplog, dst + maxsize - tmplog);
2665 if (ret == NULL)
2666 goto out;
2667 tmplog = ret;
2668 last_isspace = 0;
2669 break;
2670
2671 case LOG_FMT_TT: // %Tt = total time
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002672 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002673 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002674 ret = ltoa_o(logs->t_close, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002675 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002676 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002677 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002678 last_isspace = 0;
2679 break;
2680
Damien Claisse57c8eb92020-04-28 12:09:19 +00002681 case LOG_FMT_TU: // %Tu = total time seen by user = Tt - Ti
2682 if (!(fe->to_log & LW_BYTES))
2683 LOGCHAR('+');
2684 ret = ltoa_o(logs->t_close - (logs->t_idle >= 0 ? logs->t_idle : 0),
2685 tmplog, dst + maxsize - tmplog);
2686 if (ret == NULL)
2687 goto out;
2688 tmplog = ret;
2689 last_isspace = 0;
2690 break;
2691
Willy Tarreau2beef582012-12-20 17:22:52 +01002692 case LOG_FMT_STATUS: // %ST
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002693 ret = ltoa_o(status, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002694 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002695 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002696 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002697 last_isspace = 0;
2698 break;
2699
William Lallemand1d705562012-03-12 12:46:41 +01002700 case LOG_FMT_BYTES: // %B
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002701 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002702 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002703 ret = lltoa(logs->bytes_out, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002704 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002705 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002706 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002707 last_isspace = 0;
2708 break;
2709
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002710 case LOG_FMT_BYTES_UP: // %U
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002711 ret = lltoa(logs->bytes_in, tmplog, dst + maxsize - tmplog);
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002712 if (ret == NULL)
2713 goto out;
2714 tmplog = ret;
2715 last_isspace = 0;
2716 break;
2717
Willy Tarreau2beef582012-12-20 17:22:52 +01002718 case LOG_FMT_CCLIENT: // %CC
Willy Tarreau57bc8912016-04-25 17:09:40 +02002719 src = txn ? txn->cli_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002720 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002721 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002722 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002723 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002724 last_isspace = 0;
2725 break;
2726
Willy Tarreau2beef582012-12-20 17:22:52 +01002727 case LOG_FMT_CSERVER: // %CS
Willy Tarreau57bc8912016-04-25 17:09:40 +02002728 src = txn ? txn->srv_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002729 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002730 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002731 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002732 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002733 last_isspace = 0;
2734 break;
2735
William Lallemand1d705562012-03-12 12:46:41 +01002736 case LOG_FMT_TERMSTATE: // %ts
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002737 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2738 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau6580c062012-03-12 15:09:42 +01002739 *tmplog = '\0';
2740 last_isspace = 0;
2741 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002742
William Lallemand1d705562012-03-12 12:46:41 +01002743 case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002744 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2745 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau57bc8912016-04-25 17:09:40 +02002746 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
2747 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 +01002748 last_isspace = 0;
2749 break;
2750
William Lallemand1d705562012-03-12 12:46:41 +01002751 case LOG_FMT_ACTCONN: // %ac
William Lallemand5f232402012-04-05 18:02:55 +02002752 ret = ltoa_o(actconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002753 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002754 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002755 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002756 last_isspace = 0;
2757 break;
2758
William Lallemand1d705562012-03-12 12:46:41 +01002759 case LOG_FMT_FECONN: // %fc
William Lallemand5f232402012-04-05 18:02:55 +02002760 ret = ltoa_o(fe->feconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002761 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002762 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002763 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002764 last_isspace = 0;
2765 break;
2766
William Lallemand1d705562012-03-12 12:46:41 +01002767 case LOG_FMT_BECONN: // %bc
William Lallemand5f232402012-04-05 18:02:55 +02002768 ret = ltoa_o(be->beconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002769 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002770 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002771 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002772 last_isspace = 0;
2773 break;
2774
William Lallemand1d705562012-03-12 12:46:41 +01002775 case LOG_FMT_SRVCONN: // %sc
Christopher Fauletfd818482021-04-14 14:01:41 +02002776 switch (obj_type(s ? s->target : sess->origin)) {
2777 case OBJ_TYPE_SERVER:
2778 ret = ultoa_o(__objt_server(s->target)->cur_sess,
2779 tmplog, dst + maxsize - tmplog);
2780 break;
2781 case OBJ_TYPE_CHECK:
2782 ret = ultoa_o(__objt_check(sess->origin)->server
2783 ? __objt_check(sess->origin)->server->cur_sess
2784 : 0, tmplog, dst + maxsize - tmplog);
2785 break;
2786 default:
2787 ret = ultoa_o(0, tmplog, dst + maxsize - tmplog);
2788 break;
2789 }
2790
William Lallemand1d705562012-03-12 12:46:41 +01002791 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002792 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002793 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002794 last_isspace = 0;
2795 break;
2796
William Lallemand1d705562012-03-12 12:46:41 +01002797 case LOG_FMT_RETRIES: // %rq
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002798 if (s_flags & SF_REDISP)
William Lallemand1d705562012-03-12 12:46:41 +01002799 LOGCHAR('+');
Christopher Faulet1d26f222021-04-16 11:24:20 +02002800 ret = ltoa_o(((s && s->si[1].conn_retries > 0)
2801 ? (be->conn_retries - s->si[1].conn_retries)
2802 : ((s && s->si[1].state != SI_ST_INI) ? be->conn_retries : 0)),
2803 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002804 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002805 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002806 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002807 last_isspace = 0;
2808 break;
2809
William Lallemand1d705562012-03-12 12:46:41 +01002810 case LOG_FMT_SRVQUEUE: // %sq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002811 ret = ltoa_o(logs->srv_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002812 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002813 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002814 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002815 last_isspace = 0;
2816 break;
2817
William Lallemand1d705562012-03-12 12:46:41 +01002818 case LOG_FMT_BCKQUEUE: // %bq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002819 ret = ltoa_o(logs->prx_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002820 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002821 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002822 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002823 last_isspace = 0;
2824 break;
2825
William Lallemand1d705562012-03-12 12:46:41 +01002826 case LOG_FMT_HDRREQUEST: // %hr
William Lallemandbddd4fd2012-02-27 11:23:10 +01002827 /* request header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002828 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002829 if (tmp->options & LOG_OPT_QUOTE)
2830 LOGCHAR('"');
2831 LOGCHAR('{');
2832 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2833 if (hdr)
2834 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002835 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002836 ret = lf_encode_string(tmplog, dst + maxsize,
2837 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002838 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002839 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002840 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002841 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002842 }
2843 LOGCHAR('}');
William Lallemand51b5dca2012-03-26 17:52:55 +02002844 if (tmp->options & LOG_OPT_QUOTE)
2845 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002846 last_isspace = 0;
2847 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002848 break;
2849
William Lallemand1d705562012-03-12 12:46:41 +01002850 case LOG_FMT_HDRREQUESTLIST: // %hrl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002851 /* request header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002852 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002853 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2854 if (hdr > 0)
2855 LOGCHAR(' ');
2856 if (tmp->options & LOG_OPT_QUOTE)
2857 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002858 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002859 ret = lf_encode_string(tmplog, dst + maxsize,
2860 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002861 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002862 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002863 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002864 } else if (!(tmp->options & LOG_OPT_QUOTE))
2865 LOGCHAR('-');
2866 if (tmp->options & LOG_OPT_QUOTE)
2867 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002868 last_isspace = 0;
2869 }
2870 }
2871 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002872
William Lallemand1d705562012-03-12 12:46:41 +01002873
2874 case LOG_FMT_HDRRESPONS: // %hs
William Lallemandbddd4fd2012-02-27 11:23:10 +01002875 /* response header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002876 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002877 if (tmp->options & LOG_OPT_QUOTE)
2878 LOGCHAR('"');
2879 LOGCHAR('{');
2880 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2881 if (hdr)
2882 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002883 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002884 ret = lf_encode_string(tmplog, dst + maxsize,
2885 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002886 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002887 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002888 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002889 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002890 }
2891 LOGCHAR('}');
2892 last_isspace = 0;
2893 if (tmp->options & LOG_OPT_QUOTE)
2894 LOGCHAR('"');
2895 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002896 break;
2897
William Lallemand1d705562012-03-12 12:46:41 +01002898 case LOG_FMT_HDRRESPONSLIST: // %hsl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002899 /* response header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002900 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002901 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2902 if (hdr > 0)
2903 LOGCHAR(' ');
2904 if (tmp->options & LOG_OPT_QUOTE)
2905 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002906 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002907 ret = lf_encode_string(tmplog, dst + maxsize,
2908 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002909 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002910 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002911 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002912 } else if (!(tmp->options & LOG_OPT_QUOTE))
2913 LOGCHAR('-');
2914 if (tmp->options & LOG_OPT_QUOTE)
2915 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002916 last_isspace = 0;
2917 }
2918 }
2919 break;
2920
William Lallemand1d705562012-03-12 12:46:41 +01002921 case LOG_FMT_REQ: // %r
William Lallemandbddd4fd2012-02-27 11:23:10 +01002922 /* Request */
2923 if (tmp->options & LOG_OPT_QUOTE)
2924 LOGCHAR('"');
Willy Tarreau57bc8912016-04-25 17:09:40 +02002925 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Dragan Dosen835b9212016-02-12 13:23:03 +01002926 ret = lf_encode_string(tmplog, dst + maxsize,
2927 '#', url_encode_map, uri, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002928 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002929 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002930 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002931 if (tmp->options & LOG_OPT_QUOTE)
2932 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002933 last_isspace = 0;
2934 break;
William Lallemand5f232402012-04-05 18:02:55 +02002935
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002936 case LOG_FMT_HTTP_PATH: // %HP
Willy Tarreau57bc8912016-04-25 17:09:40 +02002937 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002938
Willy Tarreaub7636d12015-06-17 19:58:02 +02002939 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002940 LOGCHAR('"');
2941
2942 end = uri + strlen(uri);
2943 // look for the first whitespace character
2944 while (uri < end && !HTTP_IS_SPHT(*uri))
2945 uri++;
2946
2947 // keep advancing past multiple spaces
2948 while (uri < end && HTTP_IS_SPHT(*uri)) {
2949 uri++; nspaces++;
2950 }
2951
2952 // look for first space or question mark after url
2953 spc = uri;
2954 while (spc < end && *spc != '?' && !HTTP_IS_SPHT(*spc))
2955 spc++;
2956
Nenad Merdanovic54e439f2016-04-26 01:39:02 +02002957 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002958 chunk.area = "<BADREQ>";
2959 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002960 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002961 chunk.area = uri;
2962 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002963 }
2964
Dragan Dosen835b9212016-02-12 13:23:03 +01002965 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002966 if (ret == NULL || *ret != '\0')
2967 goto out;
2968
2969 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002970 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002971 LOGCHAR('"');
2972
2973 last_isspace = 0;
2974 break;
2975
Maciej Zdebfcdfd852020-11-30 18:27:47 +00002976 case LOG_FMT_HTTP_PATH_ONLY: // %HPO
2977 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
2978
2979 if (tmp->options & LOG_OPT_QUOTE)
2980 LOGCHAR('"');
2981
2982 end = uri + strlen(uri);
2983
2984 // look for the first whitespace character
2985 while (uri < end && !HTTP_IS_SPHT(*uri))
2986 uri++;
2987
2988 // keep advancing past multiple spaces
2989 while (uri < end && HTTP_IS_SPHT(*uri)) {
2990 uri++; nspaces++;
2991 }
2992
2993 // look for first space after url
2994 spc = uri;
2995 while (spc < end && !HTTP_IS_SPHT(*spc))
2996 spc++;
2997
Tim Duesterhus92c696e2021-02-28 16:11:36 +01002998 path = ist2(uri, spc - uri);
Maciej Zdebfcdfd852020-11-30 18:27:47 +00002999
3000 // extract relative path without query params from url
3001 path = iststop(http_get_path(path), '?');
3002 if (!txn || !txn->uri || nspaces == 0) {
3003 chunk.area = "<BADREQ>";
3004 chunk.data = strlen("<BADREQ>");
3005 } else {
3006 chunk.area = path.ptr;
3007 chunk.data = path.len;
3008 }
3009
3010 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
3011 if (ret == NULL || *ret != '\0')
3012 goto out;
3013
3014 tmplog = ret;
3015 if (tmp->options & LOG_OPT_QUOTE)
3016 LOGCHAR('"');
3017
3018 last_isspace = 0;
3019 break;
3020
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003021 case LOG_FMT_HTTP_QUERY: // %HQ
3022 if (tmp->options & LOG_OPT_QUOTE)
3023 LOGCHAR('"');
3024
Willy Tarreau57bc8912016-04-25 17:09:40 +02003025 if (!txn || !txn->uri) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003026 chunk.area = "<BADREQ>";
3027 chunk.data = strlen("<BADREQ>");
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003028 } else {
3029 uri = txn->uri;
3030 end = uri + strlen(uri);
3031 // look for the first question mark
3032 while (uri < end && *uri != '?')
3033 uri++;
3034
3035 qmark = uri;
3036 // look for first space or question mark after url
3037 while (uri < end && !HTTP_IS_SPHT(*uri))
3038 uri++;
3039
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003040 chunk.area = qmark;
3041 chunk.data = uri - qmark;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003042 }
3043
Dragan Dosen835b9212016-02-12 13:23:03 +01003044 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003045 if (ret == NULL || *ret != '\0')
3046 goto out;
3047
3048 tmplog = ret;
3049 if (tmp->options & LOG_OPT_QUOTE)
3050 LOGCHAR('"');
3051
3052 last_isspace = 0;
3053 break;
3054
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003055 case LOG_FMT_HTTP_URI: // %HU
Willy Tarreau57bc8912016-04-25 17:09:40 +02003056 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003057
Willy Tarreaub7636d12015-06-17 19:58:02 +02003058 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003059 LOGCHAR('"');
3060
3061 end = uri + strlen(uri);
3062 // look for the first whitespace character
3063 while (uri < end && !HTTP_IS_SPHT(*uri))
3064 uri++;
3065
3066 // keep advancing past multiple spaces
3067 while (uri < end && HTTP_IS_SPHT(*uri)) {
3068 uri++; nspaces++;
3069 }
3070
3071 // look for first space after url
3072 spc = uri;
3073 while (spc < end && !HTTP_IS_SPHT(*spc))
3074 spc++;
3075
Willy Tarreau57bc8912016-04-25 17:09:40 +02003076 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003077 chunk.area = "<BADREQ>";
3078 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003079 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003080 chunk.area = uri;
3081 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003082 }
3083
Dragan Dosen835b9212016-02-12 13:23:03 +01003084 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003085 if (ret == NULL || *ret != '\0')
3086 goto out;
3087
3088 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003089 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003090 LOGCHAR('"');
3091
3092 last_isspace = 0;
3093 break;
3094
3095 case LOG_FMT_HTTP_METHOD: // %HM
Willy Tarreau57bc8912016-04-25 17:09:40 +02003096 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02003097 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003098 LOGCHAR('"');
3099
3100 end = uri + strlen(uri);
3101 // look for the first whitespace character
3102 spc = uri;
3103 while (spc < end && !HTTP_IS_SPHT(*spc))
3104 spc++;
3105
3106 if (spc == end) { // odd case, we have txn->uri, but we only got a verb
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003107 chunk.area = "<BADREQ>";
3108 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003109 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003110 chunk.area = uri;
3111 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003112 }
3113
Dragan Dosen835b9212016-02-12 13:23:03 +01003114 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003115 if (ret == NULL || *ret != '\0')
3116 goto out;
3117
3118 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003119 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003120 LOGCHAR('"');
3121
3122 last_isspace = 0;
3123 break;
3124
3125 case LOG_FMT_HTTP_VERSION: // %HV
Willy Tarreau57bc8912016-04-25 17:09:40 +02003126 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02003127 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003128 LOGCHAR('"');
3129
3130 end = uri + strlen(uri);
3131 // look for the first whitespace character
3132 while (uri < end && !HTTP_IS_SPHT(*uri))
3133 uri++;
3134
3135 // keep advancing past multiple spaces
3136 while (uri < end && HTTP_IS_SPHT(*uri)) {
3137 uri++; nspaces++;
3138 }
3139
3140 // look for the next whitespace character
3141 while (uri < end && !HTTP_IS_SPHT(*uri))
3142 uri++;
3143
3144 // keep advancing past multiple spaces
3145 while (uri < end && HTTP_IS_SPHT(*uri))
3146 uri++;
3147
Willy Tarreau57bc8912016-04-25 17:09:40 +02003148 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003149 chunk.area = "<BADREQ>";
3150 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003151 } else if (uri == end) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003152 chunk.area = "HTTP/0.9";
3153 chunk.data = strlen("HTTP/0.9");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003154 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003155 chunk.area = uri;
3156 chunk.data = end - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003157 }
3158
Dragan Dosen835b9212016-02-12 13:23:03 +01003159 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003160 if (ret == NULL || *ret != '\0')
3161 goto out;
3162
3163 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003164 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003165 LOGCHAR('"');
3166
3167 last_isspace = 0;
3168 break;
3169
William Lallemand5f232402012-04-05 18:02:55 +02003170 case LOG_FMT_COUNTER: // %rt
3171 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau5cacab62018-09-05 15:52:59 +02003172 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", uniq_id);
William Lallemand5f232402012-04-05 18:02:55 +02003173 if (iret < 0 || iret > dst + maxsize - tmplog)
3174 goto out;
3175 last_isspace = 0;
3176 tmplog += iret;
3177 } else {
Willy Tarreau5cacab62018-09-05 15:52:59 +02003178 ret = ltoa_o(uniq_id, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02003179 if (ret == NULL)
3180 goto out;
3181 tmplog = ret;
3182 last_isspace = 0;
3183 }
3184 break;
3185
Willy Tarreau7346acb2014-08-28 15:03:15 +02003186 case LOG_FMT_LOGCNT: // %lc
3187 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003188 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", fe->log_count);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003189 if (iret < 0 || iret > dst + maxsize - tmplog)
3190 goto out;
3191 last_isspace = 0;
3192 tmplog += iret;
3193 } else {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003194 ret = ultoa_o(fe->log_count, tmplog, dst + maxsize - tmplog);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003195 if (ret == NULL)
3196 goto out;
3197 tmplog = ret;
3198 last_isspace = 0;
3199 }
3200 break;
3201
William Lallemand5f232402012-04-05 18:02:55 +02003202 case LOG_FMT_HOSTNAME: // %H
3203 src = hostname;
3204 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
3205 if (ret == NULL)
3206 goto out;
3207 tmplog = ret;
3208 last_isspace = 0;
3209 break;
3210
3211 case LOG_FMT_PID: // %pid
3212 if (tmp->options & LOG_OPT_HEXA) {
3213 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", pid);
3214 if (iret < 0 || iret > dst + maxsize - tmplog)
3215 goto out;
3216 last_isspace = 0;
3217 tmplog += iret;
3218 } else {
3219 ret = ltoa_o(pid, tmplog, dst + maxsize - tmplog);
3220 if (ret == NULL)
3221 goto out;
3222 tmplog = ret;
3223 last_isspace = 0;
3224 }
3225 break;
William Lallemanda73203e2012-03-12 12:48:57 +01003226
3227 case LOG_FMT_UNIQUEID: // %ID
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003228 ret = NULL;
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003229 if (s)
3230 ret = lf_text_len(tmplog, s->unique_id.ptr, s->unique_id.len, maxsize - (tmplog - dst), tmp);
3231 else
3232 ret = lf_text_len(tmplog, NULL, 0, maxsize - (tmplog - dst), tmp);
William Lallemanda73203e2012-03-12 12:48:57 +01003233 if (ret == NULL)
3234 goto out;
3235 tmplog = ret;
3236 last_isspace = 0;
3237 break;
3238
William Lallemandbddd4fd2012-02-27 11:23:10 +01003239 }
3240 }
3241
3242out:
William Lallemand1d705562012-03-12 12:46:41 +01003243 /* *tmplog is a unused character */
3244 *tmplog = '\0';
Willy Tarreaudf974472012-12-28 02:44:01 +01003245 return tmplog - dst;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003246
Willy Tarreaubaaee002006-06-26 02:48:02 +02003247}
3248
William Lallemand1d705562012-03-12 12:46:41 +01003249/*
Willy Tarreau87b09662015-04-03 00:22:06 +02003250 * send a log for the stream when we have enough info about it.
William Lallemand1d705562012-03-12 12:46:41 +01003251 * Will not log if the frontend has no log defined.
3252 */
Willy Tarreau87b09662015-04-03 00:22:06 +02003253void strm_log(struct stream *s)
William Lallemand1d705562012-03-12 12:46:41 +01003254{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003255 struct session *sess = s->sess;
William Lallemand1d705562012-03-12 12:46:41 +01003256 int size, err, level;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003257 int sd_size = 0;
William Lallemand1d705562012-03-12 12:46:41 +01003258
3259 /* if we don't want to log normal traffic, return now */
Willy Tarreaue7dff022015-04-03 01:14:29 +02003260 err = (s->flags & SF_REDISP) ||
3261 ((s->flags & SF_ERR_MASK) > SF_ERR_LOCAL) ||
3262 (((s->flags & SF_ERR_MASK) == SF_ERR_NONE) &&
Willy Tarreau350f4872014-11-28 14:42:25 +01003263 (s->si[1].conn_retries != s->be->conn_retries)) ||
Willy Tarreaueee5b512015-04-03 23:46:31 +02003264 ((sess->fe->mode == PR_MODE_HTTP) && s->txn && s->txn->status >= 500);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003265
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003266 if (!err && (sess->fe->options2 & PR_O2_NOLOGNORM))
William Lallemand1d705562012-03-12 12:46:41 +01003267 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003268
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003269 if (LIST_ISEMPTY(&sess->fe->logsrvs))
William Lallemand1d705562012-03-12 12:46:41 +01003270 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003271
Willy Tarreauabcd5142013-06-11 17:18:02 +02003272 if (s->logs.level) { /* loglevel was overridden */
3273 if (s->logs.level == -1) {
3274 s->logs.logwait = 0; /* logs disabled */
3275 return;
3276 }
3277 level = s->logs.level - 1;
3278 }
3279 else {
3280 level = LOG_INFO;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003281 if (err && (sess->fe->options2 & PR_O2_LOGERRORS))
Willy Tarreauabcd5142013-06-11 17:18:02 +02003282 level = LOG_ERR;
3283 }
William Lallemand1d705562012-03-12 12:46:41 +01003284
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003285 /* if unique-id was not generated */
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003286 if (!isttest(s->unique_id) && !LIST_ISEMPTY(&sess->fe->format_unique_id)) {
Tim Duesterhus2825b4b2020-02-28 15:13:34 +01003287 stream_generate_unique_id(s, &sess->fe->format_unique_id);
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003288 }
3289
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003290 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3291 sd_size = build_logline(s, logline_rfc5424, global.max_syslog_len,
3292 &sess->fe->logformat_sd);
3293 }
3294
Dragan Dosen59cee972015-09-19 22:09:02 +02003295 size = build_logline(s, logline, global.max_syslog_len, &sess->fe->logformat);
William Lallemand1d705562012-03-12 12:46:41 +01003296 if (size > 0) {
Willy Tarreau4781b152021-04-06 13:53:36 +02003297 _HA_ATOMIC_INC(&sess->fe->log_count);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003298 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3299 logline, size + 1, logline_rfc5424, sd_size);
William Lallemand1d705562012-03-12 12:46:41 +01003300 s->logs.logwait = 0;
3301 }
3302}
William Lallemandbddd4fd2012-02-27 11:23:10 +01003303
Willy Tarreau53839352018-09-05 19:51:10 +02003304/*
3305 * send a minimalist log for the session. Will not log if the frontend has no
3306 * log defined. It is assumed that this is only used to report anomalies that
3307 * cannot lead to the creation of a regular stream. Because of this the log
3308 * level is LOG_INFO or LOG_ERR depending on the "log-separate-error" setting
3309 * in the frontend. The caller must simply know that it should not call this
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003310 * function to report unimportant events. It is safe to call this function with
3311 * sess==NULL (will not do anything).
Willy Tarreau53839352018-09-05 19:51:10 +02003312 */
3313void sess_log(struct session *sess)
3314{
3315 int size, level;
3316 int sd_size = 0;
3317
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003318 if (!sess)
3319 return;
3320
Willy Tarreau53839352018-09-05 19:51:10 +02003321 if (LIST_ISEMPTY(&sess->fe->logsrvs))
3322 return;
3323
3324 level = LOG_INFO;
3325 if (sess->fe->options2 & PR_O2_LOGERRORS)
3326 level = LOG_ERR;
3327
3328 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3329 sd_size = sess_build_logline(sess, NULL,
3330 logline_rfc5424, global.max_syslog_len,
3331 &sess->fe->logformat_sd);
3332 }
3333
3334 size = sess_build_logline(sess, NULL, logline, global.max_syslog_len, &sess->fe->logformat);
3335 if (size > 0) {
Willy Tarreau4781b152021-04-06 13:53:36 +02003336 _HA_ATOMIC_INC(&sess->fe->log_count);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003337 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3338 logline, size + 1, logline_rfc5424, sd_size);
Willy Tarreau53839352018-09-05 19:51:10 +02003339 }
3340}
3341
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003342void app_log(struct list *logsrvs, struct buffer *tag, int level, const char *format, ...)
3343{
3344 va_list argp;
3345 int data_len;
3346
3347 if (level < 0 || format == NULL || logline == NULL)
3348 return;
3349
3350 va_start(argp, format);
3351 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
3352 if (data_len < 0 || data_len > global.max_syslog_len)
3353 data_len = global.max_syslog_len;
3354 va_end(argp);
3355
3356 __send_log(logsrvs, tag, level, logline, data_len, default_rfc5424_sd_log_format, 2);
3357}
Emeric Brun54932b42020-07-07 09:43:24 +02003358/*
3359 * This function parse a received log message <buf>, of size <buflen>
3360 * it fills <level>, <facility> and <metadata> depending of the detected
3361 * header format and message will point on remaining payload of <size>
3362 *
3363 * <metadata> must point on a preallocated array of LOG_META_FIELDS*sizeof(struct ist)
3364 * struct ist len will be set to 0 if field is not found
3365 * <level> and <facility> will be set to -1 if not found.
3366 */
3367void parse_log_message(char *buf, size_t buflen, int *level, int *facility,
3368 struct ist *metadata, char **message, size_t *size)
3369{
3370
3371 char *p;
3372 int fac_level = 0;
3373
3374 *level = *facility = -1;
3375
3376 *message = buf;
3377 *size = buflen;
3378
3379 memset(metadata, 0, LOG_META_FIELDS*sizeof(struct ist));
3380
3381 p = buf;
3382 if (*size < 2 || *p != '<')
3383 return;
3384
3385 p++;
3386 while (*p != '>') {
3387 if (*p > '9' || *p < '0')
3388 return;
3389 fac_level = 10*fac_level + (*p - '0');
3390 p++;
3391 if ((p - buf) > buflen)
3392 return;
3393 }
3394
3395 *facility = fac_level >> 3;
3396 *level = fac_level & 0x7;
3397 p++;
3398
3399 metadata[LOG_META_PRIO] = ist2(buf, p - buf);
3400
3401 buflen -= p - buf;
3402 buf = p;
3403
3404 *size = buflen;
3405 *message = buf;
3406
3407 /* for rfc5424, prio is always followed by '1' and ' ' */
3408 if ((*size > 2) && (p[0] == '1') && (p[1] == ' ')) {
3409 /* format is always '1 TIMESTAMP HOSTNAME TAG PID MSGID STDATA '
3410 * followed by message.
3411 * Each header field can present NILVALUE: '-'
3412 */
3413
3414 p += 2;
3415 /* timestamp is NILVALUE '-' */
3416 if (*size > 2 && (p[0] == '-') && p[1] == ' ') {
3417 metadata[LOG_META_TIME] = ist2(p, 1);
3418 p++;
3419 }
3420 else if (*size > LOG_ISOTIME_MINLEN) {
3421 metadata[LOG_META_TIME].ptr = p;
3422
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003423 /* check if optional secfrac is present
Emeric Brun54932b42020-07-07 09:43:24 +02003424 * in timestamp.
3425 * possible format are:
3426 * ex: '1970-01-01T00:00:00.000000Z'
3427 * '1970-01-01T00:00:00.000000+00:00'
3428 * '1970-01-01T00:00:00.000000-00:00'
3429 * '1970-01-01T00:00:00Z'
3430 * '1970-01-01T00:00:00+00:00'
3431 * '1970-01-01T00:00:00-00:00'
3432 */
3433 p += 19;
3434 if (*p == '.') {
3435 p++;
3436 if ((p - buf) >= buflen)
3437 goto bad_format;
3438 while (*p != 'Z' && *p != '+' && *p != '-') {
3439 if ((unsigned char)(*p - '0') > 9)
3440 goto bad_format;
3441
3442 p++;
3443 if ((p - buf) >= buflen)
3444 goto bad_format;
3445 }
3446 }
3447
3448 if (*p == 'Z')
3449 p++;
3450 else
3451 p += 6; /* case of '+00:00 or '-00:00' */
3452
3453 if ((p - buf) >= buflen || *p != ' ')
3454 goto bad_format;
3455 metadata[LOG_META_TIME].len = p - metadata[LOG_META_TIME].ptr;
3456 }
3457 else
3458 goto bad_format;
3459
3460
3461 p++;
3462 if ((p - buf) >= buflen || *p == ' ')
3463 goto bad_format;
3464
3465 metadata[LOG_META_HOST].ptr = p;
3466 while (*p != ' ') {
3467 p++;
3468 if ((p - buf) >= buflen)
3469 goto bad_format;
3470 }
3471 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3472 if (metadata[LOG_META_HOST].len == 1 && metadata[LOG_META_HOST].ptr[0] == '-')
3473 metadata[LOG_META_HOST].len = 0;
3474
3475 p++;
3476 if ((p - buf) >= buflen || *p == ' ')
3477 goto bad_format;
3478
3479 metadata[LOG_META_TAG].ptr = p;
3480 while (*p != ' ') {
3481 p++;
3482 if ((p - buf) >= buflen)
3483 goto bad_format;
3484 }
3485 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3486 if (metadata[LOG_META_TAG].len == 1 && metadata[LOG_META_TAG].ptr[0] == '-')
3487 metadata[LOG_META_TAG].len = 0;
3488
3489 p++;
3490 if ((p - buf) >= buflen || *p == ' ')
3491 goto bad_format;
3492
3493 metadata[LOG_META_PID].ptr = p;
3494 while (*p != ' ') {
3495 p++;
3496 if ((p - buf) >= buflen)
3497 goto bad_format;
3498 }
3499 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3500 if (metadata[LOG_META_PID].len == 1 && metadata[LOG_META_PID].ptr[0] == '-')
3501 metadata[LOG_META_PID].len = 0;
3502
3503 p++;
3504 if ((p - buf) >= buflen || *p == ' ')
3505 goto bad_format;
3506
3507 metadata[LOG_META_MSGID].ptr = p;
3508 while (*p != ' ') {
3509 p++;
3510 if ((p - buf) >= buflen)
3511 goto bad_format;
3512 }
3513 metadata[LOG_META_MSGID].len = p - metadata[LOG_META_MSGID].ptr;
3514 if (metadata[LOG_META_MSGID].len == 1 && metadata[LOG_META_MSGID].ptr[0] == '-')
3515 metadata[LOG_META_MSGID].len = 0;
3516
3517 p++;
3518 if ((p - buf) >= buflen || *p == ' ')
3519 goto bad_format;
3520
3521 /* structured data format is:
3522 * ex:
3523 * '[key1=value1 key2=value2][key3=value3]'
3524 *
3525 * space is invalid outside [] because
3526 * considered as the end of structured data field
3527 */
3528 metadata[LOG_META_STDATA].ptr = p;
3529 if (*p == '[') {
3530 int elem = 0;
3531
3532 while (1) {
3533 if (elem) {
3534 /* according to rfc this char is escaped in param values */
3535 if (*p == ']' && *(p-1) != '\\')
3536 elem = 0;
3537 }
3538 else {
3539 if (*p == '[')
3540 elem = 1;
3541 else if (*p == ' ')
3542 break;
3543 else
3544 goto bad_format;
3545 }
3546 p++;
3547 if ((p - buf) >= buflen)
3548 goto bad_format;
3549 }
3550 }
3551 else if (*p == '-') {
3552 /* case of NILVALUE */
3553 p++;
3554 if ((p - buf) >= buflen || *p != ' ')
3555 goto bad_format;
3556 }
3557 else
3558 goto bad_format;
3559
3560 metadata[LOG_META_STDATA].len = p - metadata[LOG_META_STDATA].ptr;
3561 if (metadata[LOG_META_STDATA].len == 1 && metadata[LOG_META_STDATA].ptr[0] == '-')
3562 metadata[LOG_META_STDATA].len = 0;
3563
3564 p++;
3565
3566 buflen -= p - buf;
3567 buf = p;
3568
3569 *size = buflen;
3570 *message = p;
3571 }
3572 else if (*size > LOG_LEGACYTIME_LEN) {
3573 int m;
3574
3575 /* supported header format according to rfc3164.
3576 * ex:
3577 * 'Jan 1 00:00:00 HOSTNAME TAG[PID]: '
3578 * or 'Jan 1 00:00:00 HOSTNAME TAG: '
3579 * or 'Jan 1 00:00:00 HOSTNAME '
3580 * Note: HOSTNAME is mandatory, and day
3581 * of month uses a single space prefix if
3582 * less than 10 to ensure hour offset is
3583 * always the same.
3584 */
3585
3586 /* Check month to see if it correspond to a rfc3164
3587 * header ex 'Jan 1 00:00:00' */
3588 for (m = 0; m < 12; m++)
3589 if (!memcmp(monthname[m], p, 3))
3590 break;
3591 /* Month not found */
3592 if (m == 12)
3593 goto bad_format;
3594
3595 metadata[LOG_META_TIME] = ist2(p, LOG_LEGACYTIME_LEN);
3596
3597 p += LOG_LEGACYTIME_LEN;
3598 if ((p - buf) >= buflen || *p != ' ')
3599 goto bad_format;
3600
3601 p++;
3602 if ((p - buf) >= buflen || *p == ' ')
3603 goto bad_format;
3604
3605 metadata[LOG_META_HOST].ptr = p;
3606 while (*p != ' ') {
3607 p++;
3608 if ((p - buf) >= buflen)
3609 goto bad_format;
3610 }
3611 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3612
3613 /* TAG seems to no be mandatory */
3614 p++;
3615
3616 buflen -= p - buf;
3617 buf = p;
3618
3619 *size = buflen;
3620 *message = buf;
3621
3622 if (!buflen)
3623 return;
3624
3625 while (((p - buf) < buflen) && *p != ' ' && *p != ':')
3626 p++;
3627
3628 /* a tag must present a trailing ':' */
3629 if (((p - buf) >= buflen) || *p != ':')
3630 return;
3631 p++;
3632 /* followed by a space */
3633 if (((p - buf) >= buflen) || *p != ' ')
3634 return;
3635
3636 /* rewind to parse tag and pid */
3637 p = buf;
3638 metadata[LOG_META_TAG].ptr = p;
3639 /* we have the guarantee that ':' will be reach before size limit */
3640 while (*p != ':') {
3641 if (*p == '[') {
3642 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3643 metadata[LOG_META_PID].ptr = p + 1;
3644 }
Tim Duesterhus7b5777d2021-03-02 18:57:28 +01003645 else if (*p == ']' && isttest(metadata[LOG_META_PID])) {
Emeric Brun54932b42020-07-07 09:43:24 +02003646 if (p[1] != ':')
3647 return;
3648 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3649 }
3650 p++;
3651 }
3652 if (!metadata[LOG_META_TAG].len)
3653 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3654
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003655 /* let pass ':' and ' ', we still have warranty size is large enough */
Emeric Brun54932b42020-07-07 09:43:24 +02003656 p += 2;
3657
3658 buflen -= p - buf;
3659 buf = p;
3660
3661 *size = buflen;
3662 *message = buf;
3663 }
3664
3665 return;
3666
3667bad_format:
3668 /* bad syslog format, we reset all parsed syslog fields
3669 * but priority is kept because we are able to re-build
3670 * this message using LOF_FORMAT_PRIO.
3671 */
3672 metadata[LOG_META_TIME].len = 0;
3673 metadata[LOG_META_HOST].len = 0;
3674 metadata[LOG_META_TAG].len = 0;
3675 metadata[LOG_META_PID].len = 0;
3676 metadata[LOG_META_MSGID].len = 0;
3677 metadata[LOG_META_STDATA].len = 0;
3678
3679 return;
3680}
3681
3682/*
3683 * UDP syslog fd handler
3684 */
3685void syslog_fd_handler(int fd)
3686{
3687 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
3688 ssize_t ret = 0;
3689 struct buffer *buf = get_trash_chunk();
3690 size_t size;
3691 char *message;
3692 int level;
3693 int facility;
3694 struct listener *l = objt_listener(fdtab[fd].owner);
3695 int max_accept;
3696
3697 if(!l)
3698 ABORT_NOW();
3699
Willy Tarreauf5090652021-04-06 17:23:40 +02003700 if (fdtab[fd].state & FD_POLL_IN) {
Emeric Brun54932b42020-07-07 09:43:24 +02003701
3702 if (!fd_recv_ready(fd))
3703 return;
3704
3705 max_accept = l->maxaccept ? l->maxaccept : 1;
3706
3707 do {
3708 /* Source address */
3709 struct sockaddr_storage saddr = {0};
3710 socklen_t saddrlen;
3711
3712 saddrlen = sizeof(saddr);
3713
3714 ret = recvfrom(fd, buf->area, buf->size, 0, (struct sockaddr *)&saddr, &saddrlen);
3715 if (ret < 0) {
3716 if (errno == EINTR)
3717 continue;
3718 if (errno == EAGAIN)
3719 fd_cant_recv(fd);
3720 goto out;
3721 }
3722 buf->data = ret;
3723
Emeric Brun45c457a2020-07-09 23:23:34 +02003724 /* update counters */
Willy Tarreau4781b152021-04-06 13:53:36 +02003725 _HA_ATOMIC_INC(&cum_log_messages);
Emeric Bruna39ecbd2020-10-05 14:33:12 +02003726 proxy_inc_fe_req_ctr(l, l->bind_conf->frontend);
Emeric Brun45c457a2020-07-09 23:23:34 +02003727
Emeric Brun54932b42020-07-07 09:43:24 +02003728 parse_log_message(buf->area, buf->data, &level, &facility, metadata, &message, &size);
3729
3730 process_send_log(&l->bind_conf->frontend->logsrvs, level, facility, metadata, message, size);
3731
3732 } while (--max_accept);
3733 }
3734
3735out:
3736 return;
3737}
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003738
Emeric Brun12941c82020-07-07 14:19:42 +02003739/*
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003740 * IO Handler to handle message exchange with a syslog tcp client
3741 */
3742static void syslog_io_handler(struct appctx *appctx)
3743{
3744 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
3745 struct stream_interface *si = appctx->owner;
3746 struct stream *s = si_strm(si);
3747 struct proxy *frontend = strm_fe(s);
3748 struct listener *l = strm_li(s);
3749 struct buffer *buf = get_trash_chunk();
3750 int max_accept;
3751 int to_skip;
3752 int facility;
3753 int level;
3754 char *message;
3755 size_t size;
3756
3757 max_accept = l->maxaccept ? l->maxaccept : 1;
3758 while (co_data(si_oc(si))) {
3759 char c;
3760
3761 if (max_accept <= 0)
3762 goto missing_budget;
3763 max_accept--;
3764
3765 to_skip = co_getchar(si_oc(si), &c);
3766 if (!to_skip)
3767 goto missing_data;
3768 else if (to_skip < 0)
3769 goto cli_abort;
3770
3771 if (c == '<') {
3772 /* rfc-6587, Non-Transparent-Framing: messages separated by
3773 * a trailing LF or CR LF
3774 */
3775 to_skip = co_getline(si_oc(si), buf->area, buf->size);
3776 if (!to_skip)
3777 goto missing_data;
3778 else if (to_skip < 0)
3779 goto cli_abort;
3780
3781 if (buf->area[to_skip - 1] != '\n')
3782 goto parse_error;
3783
3784 buf->data = to_skip - 1;
3785
3786 /* according to rfc-6587, some devices adds CR before LF */
3787 if (buf->data && buf->area[buf->data - 1] == '\r')
3788 buf->data--;
3789
3790 }
3791 else if ((unsigned char)(c - '1') <= 8) {
3792 /* rfc-6587, Octet-Counting: message length in ASCII
3793 * (first digit can not be ZERO), followed by a space
3794 * and message length
3795 */
3796 char *p = NULL;
3797 int msglen;
3798
3799 to_skip = co_getword(si_oc(si), buf->area, buf->size, ' ');
3800 if (!to_skip)
3801 goto missing_data;
3802 else if (to_skip < 0)
3803 goto cli_abort;
3804
3805 if (buf->area[to_skip - 1] != ' ')
3806 goto parse_error;
3807
3808 msglen = strtol(trash.area, &p, 10);
3809 if (!msglen || p != &buf->area[to_skip - 1])
3810 goto parse_error;
3811
3812 /* message seems too large */
3813 if (msglen > buf->size)
3814 goto parse_error;
3815
3816 msglen = co_getblk(si_oc(si), buf->area, msglen, to_skip);
3817 if (!msglen)
3818 goto missing_data;
3819 else if (msglen < 0)
3820 goto cli_abort;
3821
3822
3823 buf->data = msglen;
3824 to_skip += msglen;
3825 }
3826 else
3827 goto parse_error;
3828
3829 co_skip(si_oc(si), to_skip);
3830
3831 /* update counters */
Willy Tarreau4781b152021-04-06 13:53:36 +02003832 _HA_ATOMIC_INC(&cum_log_messages);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003833 proxy_inc_fe_req_ctr(l, frontend);
3834
3835 parse_log_message(buf->area, buf->data, &level, &facility, metadata, &message, &size);
3836
3837 process_send_log(&frontend->logsrvs, level, facility, metadata, message, size);
3838
3839 }
3840
3841missing_data:
3842 /* we need more data to read */
3843 si_oc(si)->flags |= CF_READ_DONTWAIT;
3844
3845 return;
3846
3847missing_budget:
3848 /* it may remain some stuff to do, let's retry later */
3849 appctx_wakeup(appctx);
3850
3851 return;
3852
3853parse_error:
3854 if (l->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02003855 _HA_ATOMIC_INC(&l->counters->failed_req);
3856 _HA_ATOMIC_INC(&frontend->fe_counters.failed_req);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003857
3858 goto close;
3859
3860cli_abort:
3861 if (l->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02003862 _HA_ATOMIC_INC(&l->counters->cli_aborts);
3863 _HA_ATOMIC_INC(&frontend->fe_counters.cli_aborts);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003864
3865close:
3866 si_shutw(si);
3867 si_shutr(si);
3868
3869 si_ic(si)->flags |= CF_READ_NULL;
3870
3871 return;
3872}
3873
3874static struct applet syslog_applet = {
3875 .obj_type = OBJ_TYPE_APPLET,
3876 .name = "<SYSLOG>", /* used for logging */
3877 .fct = syslog_io_handler,
3878 .release = NULL,
3879};
3880
3881/*
Emeric Brun12941c82020-07-07 14:19:42 +02003882 * Parse "log-forward" section and create corresponding sink buffer.
3883 *
3884 * The function returns 0 in success case, otherwise, it returns error
3885 * flags.
3886 */
3887int cfg_parse_log_forward(const char *file, int linenum, char **args, int kwm)
3888{
3889 int err_code = 0;
3890 struct proxy *px;
3891 char *errmsg = NULL;
3892 const char *err = NULL;
3893
3894 if (strcmp(args[0], "log-forward") == 0) {
3895 if (!*args[1]) {
3896 ha_alert("parsing [%s:%d] : missing name for ip-forward section.\n", file, linenum);
3897 err_code |= ERR_ALERT | ERR_ABORT;
3898 goto out;
3899 }
3900
3901 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3902 goto out;
3903
3904 err = invalid_char(args[1]);
3905 if (err) {
3906 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
3907 file, linenum, *err, args[0], args[1]);
3908 err_code |= ERR_ALERT | ERR_ABORT;
3909 goto out;
3910 }
3911
Emeric Brunb0c331f2020-10-07 17:05:59 +02003912 px = log_forward_by_name(args[1]);
3913 if (px) {
3914 ha_alert("Parsing [%s:%d]: log-forward section '%s' has the same name as another log-forward section declared at %s:%d.\n",
3915 file, linenum, args[1], px->conf.file, px->conf.line);
3916 err_code |= ERR_ALERT | ERR_FATAL;
3917 }
3918
3919 px = proxy_find_by_name(args[1], 0, 0);
3920 if (px) {
3921 ha_alert("Parsing [%s:%d]: log forward section '%s' has the same name as %s '%s' declared at %s:%d.\n",
3922 file, linenum, args[1], proxy_type_str(px),
3923 px->id, px->conf.file, px->conf.line);
3924 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun12941c82020-07-07 14:19:42 +02003925 }
3926
3927 px = calloc(1, sizeof *px);
3928 if (!px) {
3929 err_code |= ERR_ALERT | ERR_FATAL;
3930 goto out;
3931 }
3932
3933 px->next = cfg_log_forward;
3934 cfg_log_forward = px;
3935
3936 init_new_proxy(px);
3937 px->conf.file = strdup(file);
3938 px->conf.line = linenum;
3939 px->mode = PR_MODE_SYSLOG;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003940 px->last_change = now.tv_sec;
3941 px->cap = PR_CAP_FE;
3942 px->maxconn = 10;
3943 px->timeout.client = TICK_ETERNITY;
3944 px->accept = frontend_accept;
3945 px->default_target = &syslog_applet.obj_type;
Emeric Brun12941c82020-07-07 14:19:42 +02003946 px->id = strdup(args[1]);
3947
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003948 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01003949 else if (strcmp(args[0], "maxconn") == 0) { /* maxconn */
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003950 if (warnifnotcap(cfg_log_forward, PR_CAP_FE, file, linenum, args[0], " Maybe you want 'fullconn' instead ?"))
3951 err_code |= ERR_WARN;
3952
3953 if (*(args[1]) == 0) {
3954 ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
3955 err_code |= ERR_ALERT | ERR_FATAL;
3956 goto out;
3957 }
3958 cfg_log_forward->maxconn = atol(args[1]);
3959 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3960 goto out;
3961 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01003962 else if (strcmp(args[0], "backlog") == 0) { /* backlog */
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003963 if (warnifnotcap(cfg_log_forward, PR_CAP_FE, file, linenum, args[0], NULL))
3964 err_code |= ERR_WARN;
3965
3966 if (*(args[1]) == 0) {
3967 ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
3968 err_code |= ERR_ALERT | ERR_FATAL;
3969 goto out;
3970 }
3971 cfg_log_forward->backlog = atol(args[1]);
3972 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3973 goto out;
3974 }
3975 else if (strcmp(args[0], "bind") == 0) {
3976 int cur_arg;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003977 struct bind_conf *bind_conf;
3978 struct bind_kw *kw;
3979 struct listener *l;
3980
3981 cur_arg = 1;
3982
3983 bind_conf = bind_conf_alloc(cfg_log_forward, file, linenum,
3984 NULL, xprt_get(XPRT_RAW));
3985 if (!bind_conf) {
3986 ha_alert("parsing [%s:%d] : out of memory error.", file, linenum);
3987 err_code |= ERR_ALERT | ERR_FATAL;
3988 goto out;
3989 }
3990
3991 if (!str2listener(args[1], cfg_log_forward, bind_conf, file, linenum, &errmsg)) {
3992 if (errmsg && *errmsg) {
3993 indent_msg(&errmsg, 2);
3994 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
3995 }
3996 else {
3997 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
3998 file, linenum, args[0], args[1], args[2]);
3999 err_code |= ERR_ALERT | ERR_FATAL;
4000 goto out;
4001 }
4002 }
4003 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
Willy Tarreau66161322021-02-19 15:50:27 +01004004 l->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004005 l->accept = session_accept_fd;
4006 l->analysers |= cfg_log_forward->fe_req_ana;
4007 l->default_target = cfg_log_forward->default_target;
4008 global.maxsock++;
4009 }
4010 cur_arg++;
4011
4012 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
4013 int ret;
4014
4015 ret = kw->parse(args, cur_arg, cfg_log_forward, bind_conf, &errmsg);
4016 err_code |= ret;
4017 if (ret) {
4018 if (errmsg && *errmsg) {
4019 indent_msg(&errmsg, 2);
4020 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
4021 }
4022 else
4023 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
4024 file, linenum, args[cur_arg]);
4025 if (ret & ERR_FATAL)
4026 goto out;
4027 }
4028 cur_arg += 1 + kw->skip;
4029 }
4030 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +01004031 const char *best = bind_find_best_kw(args[cur_arg]);
4032 if (best)
4033 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
4034 file, linenum, args[cur_arg], cursection, best);
4035 else
4036 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
4037 file, linenum, args[cur_arg], cursection);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004038 err_code |= ERR_ALERT | ERR_FATAL;
4039 goto out;
4040 }
Emeric Brun12941c82020-07-07 14:19:42 +02004041 }
Willy Tarreau76aaa7f2020-09-16 15:07:22 +02004042 else if (strcmp(args[0], "dgram-bind") == 0) {
Emeric Brun12941c82020-07-07 14:19:42 +02004043 int cur_arg;
Emeric Brun12941c82020-07-07 14:19:42 +02004044 struct bind_conf *bind_conf;
4045 struct bind_kw *kw;
4046 struct listener *l;
4047
4048 cur_arg = 1;
4049
4050 bind_conf = bind_conf_alloc(cfg_log_forward, file, linenum,
4051 NULL, xprt_get(XPRT_RAW));
Christopher Faulet0c6d1dc2021-04-12 16:56:37 +02004052 if (!bind_conf) {
4053 ha_alert("parsing [%s:%d] : out of memory error.", file, linenum);
4054 err_code |= ERR_ALERT | ERR_FATAL;
4055 goto out;
4056 }
Emeric Brun12941c82020-07-07 14:19:42 +02004057
Willy Tarreau26ff5da2020-09-16 15:22:19 +02004058 if (!str2receiver(args[1], cfg_log_forward, bind_conf, file, linenum, &errmsg)) {
Emeric Brun12941c82020-07-07 14:19:42 +02004059 if (errmsg && *errmsg) {
4060 indent_msg(&errmsg, 2);
4061 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
4062 }
4063 else {
4064 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
4065 file, linenum, args[0], args[1], args[2]);
Emeric Brun12941c82020-07-07 14:19:42 +02004066 }
Willy Tarreau3b139e52020-09-16 16:24:14 +02004067 err_code |= ERR_ALERT | ERR_FATAL;
4068 goto out;
Emeric Brun12941c82020-07-07 14:19:42 +02004069 }
4070 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
Willy Tarreau26ff5da2020-09-16 15:22:19 +02004071 /* the fact that the sockets are of type dgram is guaranteed by str2receiver() */
Willy Tarreau66161322021-02-19 15:50:27 +01004072 l->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Willy Tarreaue140a692020-10-15 21:25:32 +02004073 l->rx.iocb = syslog_fd_handler;
Emeric Brun12941c82020-07-07 14:19:42 +02004074 global.maxsock++;
4075 }
4076 cur_arg++;
4077
4078 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
4079 int ret;
4080
4081 ret = kw->parse(args, cur_arg, cfg_log_forward, bind_conf, &errmsg);
4082 err_code |= ret;
4083 if (ret) {
4084 if (errmsg && *errmsg) {
4085 indent_msg(&errmsg, 2);
4086 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
4087 }
4088 else
4089 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
4090 file, linenum, args[cur_arg]);
4091 if (ret & ERR_FATAL)
4092 goto out;
4093 }
4094 cur_arg += 1 + kw->skip;
4095 }
4096 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +01004097 const char *best = bind_find_best_kw(args[cur_arg]);
4098 if (best)
4099 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
4100 file, linenum, args[cur_arg], cursection, best);
4101 else
4102 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
4103 file, linenum, args[cur_arg], cursection);
Emeric Brun12941c82020-07-07 14:19:42 +02004104 err_code |= ERR_ALERT | ERR_FATAL;
4105 goto out;
4106 }
4107 }
4108 else if (strcmp(args[0], "log") == 0) {
Emeric Brun9533a702021-04-02 10:13:43 +02004109 if (!parse_logsrv(args, &cfg_log_forward->logsrvs, (kwm == KWM_NO), file, linenum, &errmsg)) {
Emeric Brun12941c82020-07-07 14:19:42 +02004110 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
4111 err_code |= ERR_ALERT | ERR_FATAL;
4112 goto out;
4113 }
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004114 }
4115 else if (strcmp(args[0], "timeout") == 0) {
4116 const char *res;
4117 unsigned timeout;
4118
4119 if (strcmp(args[1], "client") != 0) {
4120 ha_alert("parsing [%s:%d] : unknown keyword '%s %s' in log-forward section.\n", file, linenum, args[0], args[1]);
4121 err_code |= ERR_ALERT | ERR_FATAL;
4122 goto out;
4123 }
4124
4125 if (*args[2] == 0) {
4126 ha_alert("parsing [%s:%d] : missing timeout client value.\n", file, linenum);
4127 err_code |= ERR_ALERT | ERR_FATAL;
4128 goto out;
4129 }
4130 res = parse_time_err(args[2], &timeout, TIME_UNIT_MS);
4131 if (res == PARSE_TIME_OVER) {
4132 memprintf(&errmsg, "timer overflow in argument '%s' to 'timeout client' (maximum value is 2147483647 ms or ~24.8 days)", args[2]);
4133 }
4134 else if (res == PARSE_TIME_UNDER) {
4135 memprintf(&errmsg, "timer underflow in argument '%s' to 'timeout client' (minimum non-null value is 1 ms)", args[2]);
4136 }
4137 else if (res) {
4138 memprintf(&errmsg, "unexpected character '%c' in 'timeout client'", *res);
4139 return -1;
4140 }
4141
4142 if (res) {
4143 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
4144 err_code |= ERR_ALERT | ERR_FATAL;
4145 goto out;
4146 }
4147 cfg_log_forward->timeout.client = MS_TO_TICKS(timeout);
Emeric Brun12941c82020-07-07 14:19:42 +02004148 }
Willy Tarreauf9feec22020-09-16 15:04:33 +02004149 else {
4150 ha_alert("parsing [%s:%d] : unknown keyword '%s' in log-forward section.\n", file, linenum, args[0]);
4151 err_code |= ERR_ALERT | ERR_ABORT;
4152 goto out;
4153 }
Emeric Brun12941c82020-07-07 14:19:42 +02004154out:
4155 return err_code;
4156}
4157
4158
Willy Tarreau869efd52019-11-15 15:16:57 +01004159/* parse the "show startup-logs" command, returns 1 if a message is returned, otherwise zero */
4160static int cli_parse_show_startup_logs(char **args, char *payload, struct appctx *appctx, void *private)
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004161{
Willy Tarreau869efd52019-11-15 15:16:57 +01004162 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
4163 return 1;
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004164
Willy Tarreau869efd52019-11-15 15:16:57 +01004165 if (!startup_logs)
4166 return cli_msg(appctx, LOG_INFO, "\n"); // nothing to print
4167
4168 return ring_attach_cli(startup_logs, appctx);
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004169}
4170
4171/* register cli keywords */
4172static struct cli_kw_list cli_kws = {{ },{
4173 { { "show", "startup-logs", NULL },
Willy Tarreau869efd52019-11-15 15:16:57 +01004174 "show startup-logs : report logs emitted during HAProxy startup", cli_parse_show_startup_logs, NULL, NULL },
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004175 {{},}
4176}};
4177
Willy Tarreau0108d902018-11-25 19:14:37 +01004178INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
4179
Emeric Brun12941c82020-07-07 14:19:42 +02004180/* config parsers for this section */
4181REGISTER_CONFIG_SECTION("log-forward", cfg_parse_log_forward, NULL);
4182
Willy Tarreau082b6282019-05-22 14:42:12 +02004183REGISTER_PER_THREAD_ALLOC(init_log_buffers);
4184REGISTER_PER_THREAD_FREE(deinit_log_buffers);
Willy Tarreau172f5ce2018-11-26 11:21:50 +01004185
Willy Tarreaubaaee002006-06-26 02:48:02 +02004186/*
4187 * Local variables:
4188 * c-indent-level: 8
4189 * c-basic-offset: 8
4190 * End:
4191 */