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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
Christopher Faulet8551c342021-09-30 16:22:51 +0200483 expr = sample_parse_expr(cmd, &cmd_arg, curpx->conf.args.file, curpx->conf.args.line, err,
484 (curpx->cap & PR_CAP_DEF) ? NULL: &curpx->conf.args, endptr);
Willy Tarreauc8368452012-12-21 00:09:23 +0100485 if (!expr) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100486 memprintf(err, "failed to parse sample expression <%s> : %s", text, *err);
Dragan Dosen61302da2019-04-30 00:40:02 +0200487 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100488 }
489
Vincent Bernat02779b62016-04-03 13:48:43 +0200490 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100491 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100492 memprintf(err, "out of memory error");
Dragan Dosen61302da2019-04-30 00:40:02 +0200493 goto error_free;
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100494 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100495 node->type = LOG_FMT_EXPR;
496 node->expr = expr;
497 node->options = options;
498
499 if (arg_len) {
500 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100501 if (!parse_logformat_var_args(node->arg, node, err))
Dragan Dosen61302da2019-04-30 00:40:02 +0200502 goto error_free;
Willy Tarreauc8368452012-12-21 00:09:23 +0100503 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100504 if (expr->fetch->val & cap & SMP_VAL_REQUEST)
Willy Tarreauc8368452012-12-21 00:09:23 +0100505 node->options |= LOG_OPT_REQ_CAP; /* fetch method is request-compatible */
506
Willy Tarreau434c57c2013-01-08 01:10:24 +0100507 if (expr->fetch->val & cap & SMP_VAL_RESPONSE)
Willy Tarreauc8368452012-12-21 00:09:23 +0100508 node->options |= LOG_OPT_RES_CAP; /* fetch method is response-compatible */
509
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100510 if (!(expr->fetch->val & cap)) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100511 memprintf(err, "sample fetch <%s> may not be reliably used here because it needs '%s' which is not available here",
512 text, sample_src_names(expr->fetch->use));
Dragan Dosen61302da2019-04-30 00:40:02 +0200513 goto error_free;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100514 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100515
Christopher Faulet581db2b2021-03-26 10:02:46 +0100516 if ((options & LOG_OPT_HTTP) && (expr->fetch->use & (SMP_USE_L6REQ|SMP_USE_L6RES))) {
517 ha_warning("parsing [%s:%d] : L6 sample fetch <%s> ignored in HTTP log-format string.\n",
518 curpx->conf.args.file, curpx->conf.args.line, text);
519 }
520
Christopher Faulet711ed6a2019-07-16 14:16:10 +0200521 /* check if we need to allocate an http_txn struct for HTTP parsing */
Willy Tarreauc8368452012-12-21 00:09:23 +0100522 /* Note, we may also need to set curpx->to_log with certain fetches */
Willy Tarreau25320b22013-03-24 07:22:08 +0100523 curpx->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);
Willy Tarreauc8368452012-12-21 00:09:23 +0100524
William Lallemand65ad6e12014-01-31 15:08:02 +0100525 /* FIXME: temporary workaround for missing LW_XPRT and LW_REQ flags
526 * needed with some sample fetches (eg: ssl*). We always set it for
527 * now on, but this will leave with sample capabilities soon.
Willy Tarreau1f31c732013-01-10 16:22:27 +0100528 */
529 curpx->to_log |= LW_XPRT;
Christopher Fauletd2236cd2020-04-06 18:29:14 +0200530 if (curpx->http_needed)
531 curpx->to_log |= LW_REQ;
Willy Tarreau2b718102021-04-21 07:32:39 +0200532 LIST_APPEND(list_format, &node->list);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100533 return 1;
Dragan Dosen61302da2019-04-30 00:40:02 +0200534
535 error_free:
536 release_sample_expr(expr);
537 if (node) {
538 free(node->arg);
539 free(node);
540 }
541 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100542}
543
544/*
William Lallemand723b73a2012-02-08 16:37:49 +0100545 * Parse the log_format string and fill a linked list.
546 * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200547 * You can set arguments using { } : %{many arguments}varname.
548 * The curproxy->conf.args.ctx must be set by the caller.
William Lallemand1d705562012-03-12 12:46:41 +0100549 *
Ilya Shipitsinae40dbc2020-04-04 12:59:53 +0500550 * fmt: the string to parse
William Lallemand1d705562012-03-12 12:46:41 +0100551 * curproxy: the proxy affected
552 * list_format: the destination list
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100553 * options: LOG_OPT_* to force on every node
Willy Tarreau434c57c2013-01-08 01:10:24 +0100554 * cap: all SMP_VAL_* flags supported by the consumer
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100555 *
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100556 * The function returns 1 in success case, otherwise, it returns 0 and err is filled.
William Lallemand723b73a2012-02-08 16:37:49 +0100557 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100558int 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 +0100559{
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100560 char *sp, *str, *backfmt; /* start pointer for text parts */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100561 char *arg = NULL; /* start pointer for args */
562 char *var = NULL; /* start pointer for vars */
563 int arg_len = 0;
564 int var_len = 0;
565 int cformat; /* current token format */
566 int pformat; /* previous token format */
William Lallemand723b73a2012-02-08 16:37:49 +0100567 struct logformat_node *tmplf, *back;
568
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100569 sp = str = backfmt = strdup(fmt);
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100570 if (!str) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100571 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100572 return 0;
573 }
William Lallemand1dc00ef2012-08-09 16:41:35 +0200574 curproxy->to_log |= LW_INIT;
William Lallemand5e19a282012-04-02 16:22:10 +0200575
William Lallemand723b73a2012-02-08 16:37:49 +0100576 /* flush the list first. */
William Lallemand1d705562012-03-12 12:46:41 +0100577 list_for_each_entry_safe(tmplf, back, list_format, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +0200578 LIST_DELETE(&tmplf->list);
Dragan Dosen61302da2019-04-30 00:40:02 +0200579 release_sample_expr(tmplf->expr);
580 free(tmplf->arg);
William Lallemand723b73a2012-02-08 16:37:49 +0100581 free(tmplf);
582 }
583
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100584 for (cformat = LF_INIT; cformat != LF_END; str++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100585 pformat = cformat;
586
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100587 if (!*str)
588 cformat = LF_END; // preset it to save all states from doing this
William Lallemand723b73a2012-02-08 16:37:49 +0100589
Joseph Herlant85b40592018-11-15 12:10:04 -0800590 /* The principle of the two-step state machine below is to first detect a change, and
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100591 * second have all common paths processed at one place. The common paths are the ones
592 * encountered in text areas (LF_INIT, LF_TEXT, LF_SEPARATOR) and at the end (LF_END).
593 * We use the common LF_INIT state to dispatch to the different final states.
594 */
595 switch (pformat) {
596 case LF_STARTVAR: // text immediately following a '%'
Willy Tarreauc8368452012-12-21 00:09:23 +0100597 arg = NULL; var = NULL;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100598 arg_len = var_len = 0;
599 if (*str == '{') { // optional argument
600 cformat = LF_STARG;
601 arg = str + 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100602 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100603 else if (*str == '[') {
604 cformat = LF_STEXPR;
605 var = str + 1; // store expr in variable name
606 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100607 else if (isalpha((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100608 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100609 var = str;
William Lallemand723b73a2012-02-08 16:37:49 +0100610 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100611 else if (*str == '%')
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500612 cformat = LF_TEXT; // convert this character to a literal (useful for '%')
Willy Tarreau0f28f822013-12-16 01:38:33 +0100613 else if (isdigit((unsigned char)*str) || *str == ' ' || *str == '\t') {
Willy Tarreau06d97f92013-12-02 17:45:48 +0100614 /* single '%' followed by blank or digit, send them both */
615 cformat = LF_TEXT;
616 pformat = LF_TEXT; /* finally we include the previous char as well */
617 sp = str - 1; /* send both the '%' and the current char */
Jim Freemana2278c82017-04-15 08:01:59 -0600618 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 +0100619 *str, (int)(str - backfmt), fmt);
Willy Tarreau51013e82019-12-11 12:05:39 +0100620 goto fail;
Willy Tarreau06d97f92013-12-02 17:45:48 +0100621
622 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100623 else
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500624 cformat = LF_INIT; // handle other cases of literals
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100625 break;
626
627 case LF_STARG: // text immediately following '%{'
628 if (*str == '}') { // end of arg
William Lallemand723b73a2012-02-08 16:37:49 +0100629 cformat = LF_EDARG;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100630 arg_len = str - arg;
631 *str = 0; // used for reporting errors
William Lallemand723b73a2012-02-08 16:37:49 +0100632 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100633 break;
634
635 case LF_EDARG: // text immediately following '%{arg}'
Willy Tarreauc8368452012-12-21 00:09:23 +0100636 if (*str == '[') {
637 cformat = LF_STEXPR;
638 var = str + 1; // store expr in variable name
639 break;
640 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100641 else if (isalnum((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100642 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100643 var = str;
644 break;
645 }
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100646 memprintf(err, "parse argument modifier without variable name near '%%{%s}'", arg);
Willy Tarreau51013e82019-12-11 12:05:39 +0100647 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100648
Willy Tarreauc8368452012-12-21 00:09:23 +0100649 case LF_STEXPR: // text immediately following '%['
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100650 /* the whole sample expression is parsed at once,
651 * returning the pointer to the first character not
652 * part of the expression, which MUST be the trailing
653 * angle bracket.
654 */
655 if (!add_sample_to_logformat_list(var, arg, arg_len, curproxy, list_format, options, cap, err, &str))
656 goto fail;
657
658 if (*str == ']') {
659 // end of arg, go on with next state
660 cformat = pformat = LF_EDEXPR;
661 sp = str;
662 }
663 else {
664 char c = *str;
665 *str = 0;
Willy Tarreau90807112020-02-25 08:16:33 +0100666 if (isprint((unsigned char)c))
Willy Tarreaucd0d2ed2020-02-14 17:33:06 +0100667 memprintf(err, "expected ']' after '%s', but found '%c'", var, c);
668 else
669 memprintf(err, "missing ']' after '%s'", var);
Dragan Dosen2866acf2020-06-30 21:16:43 +0200670 goto fail;
Willy Tarreauc8368452012-12-21 00:09:23 +0100671 }
672 break;
673
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100674 case LF_VAR: // text part of a variable name
675 var_len = str - var;
Willy Tarreau0f28f822013-12-16 01:38:33 +0100676 if (!isalnum((unsigned char)*str))
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100677 cformat = LF_INIT; // not variable name anymore
678 break;
679
Willy Tarreauc8368452012-12-21 00:09:23 +0100680 default: // LF_INIT, LF_TEXT, LF_SEPARATOR, LF_END, LF_EDEXPR
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100681 cformat = LF_INIT;
682 }
683
684 if (cformat == LF_INIT) { /* resynchronize state to text/sep/startvar */
685 switch (*str) {
686 case '%': cformat = LF_STARTVAR; break;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100687 case 0 : cformat = LF_END; break;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +0200688 case ' ':
689 if (options & LOG_OPT_MERGE_SPACES) {
690 cformat = LF_SEPARATOR;
691 break;
692 }
693 /* fall through */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100694 default : cformat = LF_TEXT; break;
William Lallemand723b73a2012-02-08 16:37:49 +0100695 }
696 }
697
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100698 if (cformat != pformat || pformat == LF_SEPARATOR) {
699 switch (pformat) {
700 case LF_VAR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100701 if (!parse_logformat_var(arg, arg_len, var, var_len, curproxy, list_format, &options, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100702 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100703 break;
704 case LF_TEXT:
705 case LF_SEPARATOR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100706 if (!add_to_logformat_list(sp, str, pformat, list_format, err))
Willy Tarreau51013e82019-12-11 12:05:39 +0100707 goto fail;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100708 break;
709 }
710 sp = str; /* new start of text at every state switch and at every separator */
William Lallemand723b73a2012-02-08 16:37:49 +0100711 }
712 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100713
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100714 if (pformat == LF_STARTVAR || pformat == LF_STARG || pformat == LF_STEXPR) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100715 memprintf(err, "truncated line after '%s'", var ? var : arg ? arg : "%");
Willy Tarreau51013e82019-12-11 12:05:39 +0100716 goto fail;
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100717 }
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100718 free(backfmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100719
720 return 1;
Willy Tarreau51013e82019-12-11 12:05:39 +0100721 fail:
722 free(backfmt);
723 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100724}
725
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200726/*
Ilya Shipitsin856aabc2020-04-16 23:51:34 +0500727 * Parse the first range of indexes from a string made of a list of comma separated
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200728 * ranges of indexes. Note that an index may be considered as a particular range
729 * with a high limit to the low limit.
730 */
731int get_logsrv_smp_range(unsigned int *low, unsigned int *high, char **arg, char **err)
732{
733 char *end, *p;
734
735 *low = *high = 0;
736
737 p = *arg;
738 end = strchr(p, ',');
739 if (!end)
740 end = p + strlen(p);
741
742 *high = *low = read_uint((const char **)&p, end);
743 if (!*low || (p != end && *p != '-'))
744 goto err;
745
746 if (p == end)
747 goto done;
748
749 p++;
750 *high = read_uint((const char **)&p, end);
751 if (!*high || *high <= *low || p != end)
752 goto err;
753
754 done:
755 if (*end == ',')
756 end++;
757 *arg = end;
758 return 1;
759
760 err:
761 memprintf(err, "wrong sample range '%s'", *arg);
762 return 0;
763}
764
765/*
766 * Returns 1 if the range defined by <low> and <high> overlaps
767 * one of them in <rgs> array of ranges with <sz> the size of this
768 * array, 0 if not.
769 */
770int smp_log_ranges_overlap(struct smp_log_range *rgs, size_t sz,
771 unsigned int low, unsigned int high, char **err)
772{
773 size_t i;
774
775 for (i = 0; i < sz; i++) {
776 if ((low >= rgs[i].low && low <= rgs[i].high) ||
777 (high >= rgs[i].low && high <= rgs[i].high)) {
778 memprintf(err, "ranges are overlapping");
779 return 1;
780 }
781 }
782
783 return 0;
784}
785
786int smp_log_range_cmp(const void *a, const void *b)
787{
788 const struct smp_log_range *rg_a = a;
789 const struct smp_log_range *rg_b = b;
790
791 if (rg_a->high < rg_b->low)
792 return -1;
793 else if (rg_a->low > rg_b->high)
794 return 1;
795
796 return 0;
797}
798
799/*
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200800 * Parse "log" keyword and update <logsrvs> list accordingly.
801 *
802 * When <do_del> is set, it means the "no log" line was parsed, so all log
803 * servers in <logsrvs> are released.
804 *
805 * Otherwise, we try to parse the "log" line. First of all, when the list is not
806 * the global one, we look for the parameter "global". If we find it,
807 * global.logsrvs is copied. Else we parse each arguments.
808 *
809 * The function returns 1 in success case, otherwise, it returns 0 and err is
810 * filled.
811 */
Emeric Brun9533a702021-04-02 10:13:43 +0200812int parse_logsrv(char **args, struct list *logsrvs, int do_del, const char *file, int linenum, char **err)
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200813{
Willy Tarreauae32ac72020-10-27 09:51:37 +0100814 struct smp_log_range *smp_rgs = NULL;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200815 struct sockaddr_storage *sk;
Emeric Brun94aab062021-04-02 10:41:36 +0200816 struct protocol *proto;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200817 struct logsrv *logsrv = NULL;
818 int port1, port2;
819 int cur_arg;
Willy Tarreau89599262020-09-15 14:03:26 +0200820 int fd;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200821
822 /*
823 * "no log": delete previous herited or defined syslog
824 * servers.
825 */
826 if (do_del) {
827 struct logsrv *back;
828
829 if (*(args[1]) != 0) {
830 memprintf(err, "'no log' does not expect arguments");
831 goto error;
832 }
833
834 list_for_each_entry_safe(logsrv, back, logsrvs, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +0200835 LIST_DELETE(&logsrv->list);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200836 free(logsrv);
837 }
838 return 1;
839 }
840
841 /*
842 * "log global": copy global.logrsvs linked list to the end of logsrvs
843 * list. But first, we check (logsrvs != global.logsrvs).
844 */
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100845 if (*(args[1]) && *(args[2]) == 0 && strcmp(args[1], "global") == 0) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200846 if (logsrvs == &global.logsrvs) {
847 memprintf(err, "'global' is not supported for a global syslog server");
848 goto error;
849 }
850 list_for_each_entry(logsrv, &global.logsrvs, list) {
Christopher Faulet28ac0992018-03-26 16:09:19 +0200851 struct logsrv *node;
852
853 list_for_each_entry(node, logsrvs, list) {
854 if (node->ref == logsrv)
855 goto skip_logsrv;
856 }
857
858 node = malloc(sizeof(*node));
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200859 memcpy(node, logsrv, sizeof(struct logsrv));
Christopher Faulet28ac0992018-03-26 16:09:19 +0200860 node->ref = logsrv;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200861 LIST_INIT(&node->list);
Willy Tarreau2b718102021-04-21 07:32:39 +0200862 LIST_APPEND(logsrvs, &node->list);
Emeric Brun9533a702021-04-02 10:13:43 +0200863 node->conf.file = strdup(file);
864 node->conf.line = linenum;
Christopher Faulet28ac0992018-03-26 16:09:19 +0200865
866 skip_logsrv:
867 continue;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200868 }
869 return 1;
870 }
871
872 /*
873 * "log <address> ...: parse a syslog server line
874 */
875 if (*(args[1]) == 0 || *(args[2]) == 0) {
876 memprintf(err, "expects <address> and <facility> %s as arguments",
877 ((logsrvs == &global.logsrvs) ? "" : "or global"));
878 goto error;
879 }
880
Willy Tarreau5a32ecc2018-11-12 07:34:59 +0100881 /* take care of "stdout" and "stderr" as regular aliases for fd@1 / fd@2 */
882 if (strcmp(args[1], "stdout") == 0)
883 args[1] = "fd@1";
884 else if (strcmp(args[1], "stderr") == 0)
885 args[1] = "fd@2";
886
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200887 logsrv = calloc(1, sizeof(*logsrv));
888 if (!logsrv) {
889 memprintf(err, "out of memory");
890 goto error;
891 }
892
Emeric Brun9533a702021-04-02 10:13:43 +0200893 logsrv->conf.file = strdup(file);
894 logsrv->conf.line = linenum;
895
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200896 /* skip address for now, it will be parsed at the end */
897 cur_arg = 2;
898
899 /* just after the address, a length may be specified */
900 logsrv->maxlen = MAX_SYSLOG_LEN;
901 if (strcmp(args[cur_arg], "len") == 0) {
902 int len = atoi(args[cur_arg+1]);
903 if (len < 80 || len > 65535) {
904 memprintf(err, "invalid log length '%s', must be between 80 and 65535",
905 args[cur_arg+1]);
906 goto error;
907 }
908 logsrv->maxlen = len;
909 cur_arg += 2;
910 }
911 if (logsrv->maxlen > global.max_syslog_len)
912 global.max_syslog_len = logsrv->maxlen;
913
914 /* after the length, a format may be specified */
915 if (strcmp(args[cur_arg], "format") == 0) {
916 logsrv->format = get_log_format(args[cur_arg+1]);
Emeric Brun54648852020-07-06 15:54:06 +0200917 if (logsrv->format == LOG_FORMAT_UNSPEC) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200918 memprintf(err, "unknown log format '%s'", args[cur_arg+1]);
919 goto error;
920 }
921 cur_arg += 2;
922 }
923
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200924 if (strcmp(args[cur_arg], "sample") == 0) {
925 unsigned low, high;
926 char *p, *beg, *end, *smp_sz_str;
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200927 size_t smp_rgs_sz = 0, smp_sz = 0, new_smp_sz;
928
929 p = args[cur_arg+1];
930 smp_sz_str = strchr(p, ':');
931 if (!smp_sz_str) {
932 memprintf(err, "Missing sample size");
933 goto error;
934 }
935
936 *smp_sz_str++ = '\0';
937
938 end = p + strlen(p);
939
940 while (p != end) {
941 if (!get_logsrv_smp_range(&low, &high, &p, err))
942 goto error;
943
944 if (smp_rgs && smp_log_ranges_overlap(smp_rgs, smp_rgs_sz, low, high, err))
945 goto error;
946
947 smp_rgs = my_realloc2(smp_rgs, (smp_rgs_sz + 1) * sizeof *smp_rgs);
948 if (!smp_rgs) {
949 memprintf(err, "out of memory error");
950 goto error;
951 }
952
953 smp_rgs[smp_rgs_sz].low = low;
954 smp_rgs[smp_rgs_sz].high = high;
955 smp_rgs[smp_rgs_sz].sz = high - low + 1;
956 smp_rgs[smp_rgs_sz].curr_idx = 0;
957 if (smp_rgs[smp_rgs_sz].high > smp_sz)
958 smp_sz = smp_rgs[smp_rgs_sz].high;
959 smp_rgs_sz++;
960 }
961
Tim Duesterhus21648002019-06-23 22:10:10 +0200962 if (smp_rgs == NULL) {
963 memprintf(err, "no sampling ranges given");
964 goto error;
965 }
966
Frédéric Lécailled95ea282019-04-24 16:14:33 +0200967 beg = smp_sz_str;
968 end = beg + strlen(beg);
969 new_smp_sz = read_uint((const char **)&beg, end);
970 if (!new_smp_sz || beg != end) {
971 memprintf(err, "wrong sample size '%s' for sample range '%s'",
972 smp_sz_str, args[cur_arg+1]);
973 goto error;
974 }
975
976 if (new_smp_sz < smp_sz) {
977 memprintf(err, "sample size %zu should be greater or equal to "
978 "%zu the maximum of the high ranges limits",
979 new_smp_sz, smp_sz);
980 goto error;
981 }
982 smp_sz = new_smp_sz;
983
984 /* Let's order <smp_rgs> array. */
985 qsort(smp_rgs, smp_rgs_sz, sizeof(struct smp_log_range), smp_log_range_cmp);
986
987 logsrv->lb.smp_rgs = smp_rgs;
988 logsrv->lb.smp_rgs_sz = smp_rgs_sz;
989 logsrv->lb.smp_sz = smp_sz;
990
991 cur_arg += 2;
992 }
Frédéric Lécailled803e472019-04-25 07:42:09 +0200993 HA_SPIN_INIT(&logsrv->lock);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +0200994 /* parse the facility */
995 logsrv->facility = get_log_facility(args[cur_arg]);
996 if (logsrv->facility < 0) {
997 memprintf(err, "unknown log facility '%s'", args[cur_arg]);
998 goto error;
999 }
1000 cur_arg++;
1001
1002 /* parse the max syslog level (default: debug) */
1003 logsrv->level = 7;
1004 if (*(args[cur_arg])) {
1005 logsrv->level = get_log_level(args[cur_arg]);
1006 if (logsrv->level < 0) {
1007 memprintf(err, "unknown optional log level '%s'", args[cur_arg]);
1008 goto error;
1009 }
1010 cur_arg++;
1011 }
1012
1013 /* parse the limit syslog level (default: emerg) */
1014 logsrv->minlvl = 0;
1015 if (*(args[cur_arg])) {
1016 logsrv->minlvl = get_log_level(args[cur_arg]);
1017 if (logsrv->minlvl < 0) {
1018 memprintf(err, "unknown optional minimum log level '%s'", args[cur_arg]);
1019 goto error;
1020 }
1021 cur_arg++;
1022 }
1023
1024 /* Too many args */
1025 if (*(args[cur_arg])) {
1026 memprintf(err, "cannot handle unexpected argument '%s'", args[cur_arg]);
1027 goto error;
1028 }
1029
1030 /* now, back to the address */
Willy Tarreauf3dc30f2019-08-30 14:18:44 +02001031 logsrv->type = LOG_TARGET_DGRAM;
Willy Tarreauc046d162019-08-30 15:24:59 +02001032 if (strncmp(args[1], "ring@", 5) == 0) {
Willy Tarreauc046d162019-08-30 15:24:59 +02001033 logsrv->addr.ss_family = AF_UNSPEC;
1034 logsrv->type = LOG_TARGET_BUFFER;
Emeric Brun99c453d2020-05-25 15:01:04 +02001035 logsrv->sink = NULL;
1036 logsrv->ring_name = strdup(args[1] + 5);
Willy Tarreauc046d162019-08-30 15:24:59 +02001037 goto done;
1038 }
1039
Emeric Brun94aab062021-04-02 10:41:36 +02001040 sk = str2sa_range(args[1], NULL, &port1, &port2, &fd, &proto,
1041 err, NULL, NULL,
1042 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 +02001043 if (!sk)
1044 goto error;
Willy Tarreau89599262020-09-15 14:03:26 +02001045
1046 if (fd != -1)
1047 logsrv->type = LOG_TARGET_FD;
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001048 logsrv->addr = *sk;
1049
1050 if (sk->ss_family == AF_INET || sk->ss_family == AF_INET6) {
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001051 if (!port1)
1052 set_host_port(&logsrv->addr, SYSLOG_PORT);
1053 }
Emeric Brun9533a702021-04-02 10:13:43 +02001054
Emeric Brun26754902021-04-07 14:26:44 +02001055 if (proto && proto->ctrl_type == SOCK_STREAM) {
Emeric Brun94aab062021-04-02 10:41:36 +02001056 static unsigned long ring_ids;
1057
1058 /* Implicit sink buffer will be
1059 * initialized in post_check
1060 */
1061 logsrv->type = LOG_TARGET_BUFFER;
1062 logsrv->sink = NULL;
1063 /* compute uniq name for the ring */
1064 memprintf(&logsrv->ring_name, "ring#%lu", ++ring_ids);
1065 }
1066
Willy Tarreauc046d162019-08-30 15:24:59 +02001067 done:
Willy Tarreau2b718102021-04-21 07:32:39 +02001068 LIST_APPEND(logsrvs, &logsrv->list);
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001069 return 1;
1070
1071 error:
Willy Tarreauae32ac72020-10-27 09:51:37 +01001072 free(smp_rgs);
Emeric Brun9533a702021-04-02 10:13:43 +02001073 if (logsrv) {
1074 free(logsrv->conf.file);
Willy Tarreaua0133fc2020-10-27 10:35:32 +01001075 free(logsrv->ring_name);
Emeric Brun9533a702021-04-02 10:13:43 +02001076 }
Christopher Faulet4b0b79d2018-03-26 15:54:32 +02001077 free(logsrv);
1078 return 0;
1079}
1080
1081
Christopher Fauletd4696382017-10-24 11:44:05 +02001082/* Generic function to display messages prefixed by a label */
1083static void print_message(const char *label, const char *fmt, va_list argp)
1084{
Christopher Fauletd4696382017-10-24 11:44:05 +02001085 char *head, *msg;
Willy Tarreau9f903af2021-05-07 08:42:39 +02001086 char prefix[11]; // '[' + 8 chars + ']' + 0.
Christopher Fauletd4696382017-10-24 11:44:05 +02001087
Willy Tarreau9f903af2021-05-07 08:42:39 +02001088 *prefix = '[';
1089 strncpy(prefix + 1, label, sizeof(prefix) - 2);
1090 msg = prefix + strlen(prefix);
1091 *msg++ = ']';
1092 while (msg < prefix + sizeof(prefix) - 1)
1093 *msg++ = ' ';
1094 *msg = 0;
Christopher Fauletd4696382017-10-24 11:44:05 +02001095
Willy Tarreau9f903af2021-05-07 08:42:39 +02001096 head = msg = NULL;
1097 memprintf(&head, "%s (%u) : ", prefix, (uint)getpid());
Christopher Fauletd4696382017-10-24 11:44:05 +02001098 memvprintf(&msg, fmt, argp);
1099
Willy Tarreau869efd52019-11-15 15:16:57 +01001100 if (global.mode & MODE_STARTING) {
1101 if (unlikely(!startup_logs))
1102 startup_logs = ring_new(STARTUP_LOG_SIZE);
1103
1104 if (likely(startup_logs)) {
1105 struct ist m[2];
1106
1107 m[0] = ist(head);
1108 m[1] = ist(msg);
1109 /* trim the trailing '\n' */
1110 if (m[1].len > 0 && m[1].ptr[m[1].len - 1] == '\n')
1111 m[1].len--;
1112 ring_write(startup_logs, ~0, 0, 0, m, 2);
1113 }
1114 }
Christopher Fauletd4696382017-10-24 11:44:05 +02001115
1116 fprintf(stderr, "%s%s", head, msg);
1117 fflush(stderr);
1118
1119 free(head);
1120 free(msg);
1121}
1122
Willy Tarreaubaaee002006-06-26 02:48:02 +02001123/*
1124 * Displays the message on stderr with the date and pid. Overrides the quiet
1125 * mode during startup.
1126 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001127void ha_alert(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001128{
1129 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001130
1131 if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
Willy Tarreaubb869862020-04-16 10:52:41 +02001132 if (!(warned & WARN_EXEC_PATH)) {
1133 const char *path = get_exec_path();
1134
1135 warned |= WARN_EXEC_PATH;
1136 ha_notice("haproxy version is %s\n", haproxy_version);
1137 if (path)
1138 ha_notice("path to executable is %s\n", path);
1139 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001140 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001141 print_message("ALERT", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001142 va_end(argp);
1143 }
1144}
1145
1146
1147/*
1148 * Displays the message on stderr with the date and pid.
1149 */
Christopher Faulet767a84b2017-11-24 16:50:31 +01001150void ha_warning(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001151{
1152 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001153
Willy Tarreaubebd2122020-04-15 16:06:11 +02001154 warned |= WARN_ANY;
1155
Willy Tarreaubaaee002006-06-26 02:48:02 +02001156 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1157 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +02001158 print_message("WARNING", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001159 va_end(argp);
1160 }
1161}
1162
1163/*
Amaury Denoyelle7b01a8d2021-03-29 10:29:07 +02001164 * Variant of _ha_diag_warning with va_list.
1165 * Use it only if MODE_DIAG has been previously checked.
1166 */
1167void _ha_vdiag_warning(const char *fmt, va_list argp)
1168{
Willy Tarreau9f903af2021-05-07 08:42:39 +02001169 print_message("DIAG", fmt, argp);
Amaury Denoyelle7b01a8d2021-03-29 10:29:07 +02001170}
1171
1172/*
1173 * Output a diagnostic warning.
1174 * Use it only if MODE_DIAG has been previously checked.
1175 */
1176void _ha_diag_warning(const char *fmt, ...)
1177{
1178 va_list argp;
1179
1180 va_start(argp, fmt);
1181 _ha_vdiag_warning(fmt, argp);
1182 va_end(argp);
1183}
1184
1185/*
1186 * Output a diagnostic warning. Do nothing of MODE_DIAG is not on.
1187 */
1188void ha_diag_warning(const char *fmt, ...)
1189{
1190 va_list argp;
1191
1192 if (global.mode & MODE_DIAG) {
1193 va_start(argp, fmt);
1194 _ha_vdiag_warning(fmt, argp);
1195 va_end(argp);
1196 }
1197}
1198
1199/*
William Lallemand9c56a222018-11-21 18:04:52 +01001200 * Displays the message on stderr with the date and pid.
1201 */
1202void ha_notice(const char *fmt, ...)
1203{
1204 va_list argp;
1205
1206 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1207 va_start(argp, fmt);
1208 print_message("NOTICE", fmt, argp);
1209 va_end(argp);
1210 }
1211}
1212
1213/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001214 * Displays the message on <out> only if quiet mode is not set.
1215 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001216void qfprintf(FILE *out, const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001217{
1218 va_list argp;
1219
1220 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
1221 va_start(argp, fmt);
1222 vfprintf(out, fmt, argp);
1223 fflush(out);
1224 va_end(argp);
1225 }
1226}
1227
1228/*
Emeric Brun54648852020-07-06 15:54:06 +02001229 * returns log format, LOG_FORMAT_UNSPEC is return if not found.
Dragan Dosen1322d092015-09-22 16:05:32 +02001230 */
Emeric Brun54648852020-07-06 15:54:06 +02001231enum log_fmt get_log_format(const char *fmt)
Dragan Dosen1322d092015-09-22 16:05:32 +02001232{
Emeric Brun54648852020-07-06 15:54:06 +02001233 enum log_fmt format;
Dragan Dosen1322d092015-09-22 16:05:32 +02001234
1235 format = LOG_FORMATS - 1;
Emeric Brun54648852020-07-06 15:54:06 +02001236 while (format > 0 && log_formats[format].name
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001237 && strcmp(log_formats[format].name, fmt) != 0)
Dragan Dosen1322d092015-09-22 16:05:32 +02001238 format--;
1239
Emeric Brun54648852020-07-06 15:54:06 +02001240 /* Note: 0 is LOG_FORMAT_UNSPEC */
Dragan Dosen1322d092015-09-22 16:05:32 +02001241 return format;
1242}
1243
1244/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001245 * returns log level for <lev> or -1 if not found.
1246 */
1247int get_log_level(const char *lev)
1248{
1249 int level;
1250
1251 level = NB_LOG_LEVELS - 1;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001252 while (level >= 0 && strcmp(log_levels[level], lev) != 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001253 level--;
1254
1255 return level;
1256}
1257
Willy Tarreaubaaee002006-06-26 02:48:02 +02001258/*
1259 * returns log facility for <fac> or -1 if not found.
1260 */
1261int get_log_facility(const char *fac)
1262{
1263 int facility;
1264
1265 facility = NB_LOG_FACILITIES - 1;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001266 while (facility >= 0 && strcmp(log_facilities[facility], fac) != 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001267 facility--;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001268
Willy Tarreaubaaee002006-06-26 02:48:02 +02001269 return facility;
1270}
1271
William Lallemanda1cc3812012-02-08 16:38:44 +01001272/*
Dragan Dosen835b9212016-02-12 13:23:03 +01001273 * Encode the string.
1274 *
1275 * When using the +E log format option, it will try to escape '"\]'
1276 * characters with '\' as prefix. The same prefix should not be used as
1277 * <escape>.
1278 */
1279static char *lf_encode_string(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001280 const char escape, const long *map,
Dragan Dosen835b9212016-02-12 13:23:03 +01001281 const char *string,
1282 struct logformat_node *node)
1283{
1284 if (node->options & LOG_OPT_ESC) {
1285 if (start < stop) {
1286 stop--; /* reserve one byte for the final '\0' */
1287 while (start < stop && *string != '\0') {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001288 if (!ha_bit_test((unsigned char)(*string), map)) {
1289 if (!ha_bit_test((unsigned char)(*string), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001290 *start++ = *string;
1291 else {
1292 if (start + 2 >= stop)
1293 break;
1294 *start++ = '\\';
1295 *start++ = *string;
1296 }
1297 }
1298 else {
1299 if (start + 3 >= stop)
1300 break;
1301 *start++ = escape;
1302 *start++ = hextab[(*string >> 4) & 15];
1303 *start++ = hextab[*string & 15];
1304 }
1305 string++;
1306 }
1307 *start = '\0';
1308 }
1309 }
1310 else {
1311 return encode_string(start, stop, escape, map, string);
1312 }
1313
1314 return start;
1315}
1316
1317/*
1318 * Encode the chunk.
1319 *
1320 * When using the +E log format option, it will try to escape '"\]'
1321 * characters with '\' as prefix. The same prefix should not be used as
1322 * <escape>.
1323 */
1324static char *lf_encode_chunk(char *start, char *stop,
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001325 const char escape, const long *map,
Willy Tarreau83061a82018-07-13 11:56:34 +02001326 const struct buffer *chunk,
Dragan Dosen835b9212016-02-12 13:23:03 +01001327 struct logformat_node *node)
1328{
1329 char *str, *end;
1330
1331 if (node->options & LOG_OPT_ESC) {
1332 if (start < stop) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02001333 str = chunk->area;
1334 end = chunk->area + chunk->data;
Dragan Dosen835b9212016-02-12 13:23:03 +01001335
1336 stop--; /* reserve one byte for the final '\0' */
1337 while (start < stop && str < end) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02001338 if (!ha_bit_test((unsigned char)(*str), map)) {
1339 if (!ha_bit_test((unsigned char)(*str), rfc5424_escape_map))
Dragan Dosen835b9212016-02-12 13:23:03 +01001340 *start++ = *str;
1341 else {
1342 if (start + 2 >= stop)
1343 break;
1344 *start++ = '\\';
1345 *start++ = *str;
1346 }
1347 }
1348 else {
1349 if (start + 3 >= stop)
1350 break;
1351 *start++ = escape;
1352 *start++ = hextab[(*str >> 4) & 15];
1353 *start++ = hextab[*str & 15];
1354 }
1355 str++;
1356 }
1357 *start = '\0';
1358 }
1359 }
1360 else {
1361 return encode_chunk(start, stop, escape, map, chunk);
1362 }
1363
1364 return start;
1365}
1366
1367/*
William Lallemanda1cc3812012-02-08 16:38:44 +01001368 * Write a string in the log string
Dragan Dosen835b9212016-02-12 13:23:03 +01001369 * Take cares of quote and escape options
William Lallemanda1cc3812012-02-08 16:38:44 +01001370 *
Joseph Herlant85b40592018-11-15 12:10:04 -08001371 * Return the address of the \0 character, or NULL on error
William Lallemanda1cc3812012-02-08 16:38:44 +01001372 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001373char *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 +01001374{
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001375 if (size < 2)
1376 return NULL;
William Lallemanda1cc3812012-02-08 16:38:44 +01001377
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001378 if (node->options & LOG_OPT_QUOTE) {
1379 *(dst++) = '"';
1380 size--;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001381 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001382
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001383 if (src && len) {
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001384 if (++len > size)
1385 len = size;
Dragan Dosen835b9212016-02-12 13:23:03 +01001386 if (node->options & LOG_OPT_ESC) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001387 char *ret;
1388
Dragan Dosendb1b6f92016-07-25 11:35:02 +02001389 ret = escape_string(dst, dst + len, '\\', rfc5424_escape_map, src);
Dragan Dosen835b9212016-02-12 13:23:03 +01001390 if (ret == NULL || *ret != '\0')
1391 return NULL;
1392 len = ret - dst;
1393 }
1394 else {
Dragan Dosen835b9212016-02-12 13:23:03 +01001395 len = strlcpy2(dst, src, len);
1396 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001397
1398 size -= len;
1399 dst += len;
1400 }
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +01001401 else if ((node->options & (LOG_OPT_QUOTE|LOG_OPT_MANDATORY)) == LOG_OPT_MANDATORY) {
1402 if (size < 2)
1403 return NULL;
1404 *(dst++) = '-';
1405 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001406
1407 if (node->options & LOG_OPT_QUOTE) {
1408 if (size < 2)
1409 return NULL;
1410 *(dst++) = '"';
1411 }
1412
1413 *dst = '\0';
William Lallemandbddd4fd2012-02-27 11:23:10 +01001414 return dst;
William Lallemanda1cc3812012-02-08 16:38:44 +01001415}
1416
Willy Tarreau26ffa852018-09-05 15:23:10 +02001417static inline char *lf_text(char *dst, const char *src, size_t size, const struct logformat_node *node)
Willy Tarreau2b0108a2012-12-21 19:23:44 +01001418{
1419 return lf_text_len(dst, src, size, size, node);
1420}
1421
William Lallemand5f232402012-04-05 18:02:55 +02001422/*
Joseph Herlant85b40592018-11-15 12:10:04 -08001423 * Write a IP address to the log string
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001424 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001425 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001426char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001427{
1428 char *ret = dst;
1429 int iret;
1430 char pn[INET6_ADDRSTRLEN];
1431
1432 if (node->options & LOG_OPT_HEXA) {
Radek Zajic594c4562019-03-22 10:21:54 +00001433 unsigned char *addr = NULL;
1434 switch (sockaddr->sa_family) {
1435 case AF_INET:
1436 addr = (unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_addr.s_addr;
1437 iret = snprintf(dst, size, "%02X%02X%02X%02X", addr[0], addr[1], addr[2], addr[3]);
1438 break;
1439 case AF_INET6:
1440 addr = (unsigned char *)&((struct sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr;
1441 iret = snprintf(dst, size, "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
1442 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], addr[6], addr[7],
1443 addr[8], addr[9], addr[10], addr[11], addr[12], addr[13], addr[14], addr[15]);
1444 break;
1445 default:
1446 return NULL;
1447 }
William Lallemand5f232402012-04-05 18:02:55 +02001448 if (iret < 0 || iret > size)
1449 return NULL;
1450 ret += iret;
1451 } else {
1452 addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
1453 ret = lf_text(dst, pn, size, node);
1454 if (ret == NULL)
1455 return NULL;
1456 }
1457 return ret;
1458}
1459
1460/*
1461 * Write a port to the log
Ilya Shipitsin856aabc2020-04-16 23:51:34 +05001462 * +X option write in hexadecimal notation, most significant byte on the left
William Lallemand5f232402012-04-05 18:02:55 +02001463 */
Willy Tarreau26ffa852018-09-05 15:23:10 +02001464char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
William Lallemand5f232402012-04-05 18:02:55 +02001465{
1466 char *ret = dst;
1467 int iret;
1468
1469 if (node->options & LOG_OPT_HEXA) {
1470 const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
1471 iret = snprintf(dst, size, "%02X%02X", port[0], port[1]);
1472 if (iret < 0 || iret > size)
1473 return NULL;
1474 ret += iret;
1475 } else {
1476 ret = ltoa_o(get_host_port((struct sockaddr_storage *)sockaddr), dst, size);
1477 if (ret == NULL)
1478 return NULL;
1479 }
1480 return ret;
1481}
1482
Emeric Brun54648852020-07-06 15:54:06 +02001483
1484/*
1485 * This function sends the syslog message using a printf format string. It
1486 * expects an LF-terminated message.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001487 */
Emeric Brun54648852020-07-06 15:54:06 +02001488void send_log(struct proxy *p, int level, const char *format, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001489{
Emeric Brun54648852020-07-06 15:54:06 +02001490 va_list argp;
1491 int data_len;
1492
1493 if (level < 0 || format == NULL || logline == NULL)
1494 return;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001495
Emeric Brun54648852020-07-06 15:54:06 +02001496 va_start(argp, format);
1497 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
1498 if (data_len < 0 || data_len > global.max_syslog_len)
1499 data_len = global.max_syslog_len;
1500 va_end(argp);
Willy Tarreaufe944602007-10-25 10:34:16 +02001501
Emeric Brun54648852020-07-06 15:54:06 +02001502 __send_log((p ? &p->logsrvs : NULL), (p ? &p->log_tag : NULL), level,
1503 logline, data_len, default_rfc5424_sd_log_format, 2);
1504}
1505/*
1506 * This function builds a log header of given format using given
1507 * metadata, if format is set to LOF_FORMAT_UNSPEC, it tries
1508 * to determine format based on given metadas. It is useful
1509 * for log-forwarding to be able to forward any format without
1510 * settings.
1511 * This function returns a struct ist array of elements of the header
1512 * nbelem is set to the number of available elements.
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001513 * This function returns currently a maximum of NB_LOG_HDR_IST_ELEMENTS
Emeric Brun54648852020-07-06 15:54:06 +02001514 * elements.
1515 */
1516struct ist *build_log_header(enum log_fmt format, int level, int facility,
1517 struct ist *metadata, size_t *nbelem)
1518{
1519 static THREAD_LOCAL struct {
1520 struct ist ist_vector[NB_LOG_HDR_MAX_ELEMENTS];
1521 char timestamp_buffer[LOG_LEGACYTIME_LEN+1+1];
1522 time_t cur_legacy_time;
1523 char priority_buffer[6];
1524 } hdr_ctx = { .priority_buffer = "<<<<>" };
Willy Tarreaubaaee002006-06-26 02:48:02 +02001525
Emeric Brun54648852020-07-06 15:54:06 +02001526 struct tm logtime;
1527 int len;
1528 int fac_level = 0;
1529 time_t time = date.tv_sec;
Dragan Dosen43885c72015-10-01 13:18:13 +02001530
Emeric Brun54648852020-07-06 15:54:06 +02001531 *nbelem = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001532
Emeric Brun54648852020-07-06 15:54:06 +02001533
1534 if (format == LOG_FORMAT_UNSPEC) {
1535 format = LOG_FORMAT_RAW;
1536 if (metadata) {
1537 /* If a hostname is set, it appears we want to perform syslog
1538 * because only rfc5427 or rfc3164 support an hostname.
1539 */
1540 if (metadata[LOG_META_HOST].len) {
1541 /* If a rfc5424 compliant timestamp is used we consider
1542 * that output format is rfc5424, else legacy format
1543 * is used as specified default for local logs
1544 * in documentation.
1545 */
1546 if ((metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-')
1547 || (metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN))
1548 format = LOG_FORMAT_RFC5424;
1549 else
1550 format = LOG_FORMAT_RFC3164;
1551 }
Emeric Brun0237c4e2020-11-27 16:24:34 +01001552 else if (metadata[LOG_META_TAG].len) {
1553 /* Tag is present but no hostname, we should
Ilya Shipitsinf38a0182020-12-21 01:16:17 +05001554 * consider we try to emit a local log
Emeric Brun0237c4e2020-11-27 16:24:34 +01001555 * in legacy format (analog to RFC3164 but
1556 * with stripped hostname).
1557 */
1558 format = LOG_FORMAT_LOCAL;
1559 }
Emeric Brun54648852020-07-06 15:54:06 +02001560 else if (metadata[LOG_META_PRIO].len) {
1561 /* the source seems a parsed message
1562 * offering a valid level/prio prefix
1563 * so we consider this format.
1564 */
1565 format = LOG_FORMAT_PRIO;
1566 }
1567 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001568 }
1569
Emeric Brun54648852020-07-06 15:54:06 +02001570 /* prepare priority, stored into 1 single elem */
1571 switch (format) {
Emeric Brun0237c4e2020-11-27 16:24:34 +01001572 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001573 case LOG_FORMAT_RFC3164:
1574 case LOG_FORMAT_RFC5424:
1575 case LOG_FORMAT_PRIO:
1576 fac_level = facility << 3;
1577 /* further format ignore the facility */
1578 /* fall through */
1579 case LOG_FORMAT_TIMED:
1580 case LOG_FORMAT_SHORT:
1581 fac_level += level;
1582 hdr_ctx.ist_vector[*nbelem].ptr = &hdr_ctx.priority_buffer[3]; /* last digit of the log level */
1583 do {
1584 *hdr_ctx.ist_vector[*nbelem].ptr = '0' + fac_level % 10;
1585 fac_level /= 10;
1586 hdr_ctx.ist_vector[*nbelem].ptr--;
1587 } while (fac_level && hdr_ctx.ist_vector[*nbelem].ptr > &hdr_ctx.priority_buffer[0]);
1588 *hdr_ctx.ist_vector[*nbelem].ptr = '<';
1589 hdr_ctx.ist_vector[(*nbelem)++].len = &hdr_ctx.priority_buffer[5] - hdr_ctx.ist_vector[0].ptr;
1590 break;
1591 case LOG_FORMAT_ISO:
1592 case LOG_FORMAT_RAW:
1593 break;
1594 case LOG_FORMAT_UNSPEC:
1595 case LOG_FORMATS:
1596 ABORT_NOW();
1597 }
Willy Tarreau094af4e2015-01-07 15:03:42 +01001598
William Lallemand2a4a44f2012-02-06 16:00:33 +01001599
Emeric Brun54648852020-07-06 15:54:06 +02001600 /* prepare timestamp, stored into a max of 4 elems */
1601 switch (format) {
Emeric Brun0237c4e2020-11-27 16:24:34 +01001602 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001603 case LOG_FORMAT_RFC3164:
1604 /* rfc3164 ex: 'Jan 1 00:00:00 ' */
1605 if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1606 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1607 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001608 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001609 break;
1610 }
1611 else if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1612 int month;
1613 char *timestamp = metadata[LOG_META_TIME].ptr;
Dragan Dosen1322d092015-09-22 16:05:32 +02001614
Emeric Brun54648852020-07-06 15:54:06 +02001615 /* iso time always begins like this: '1970-01-01T00:00:00' */
Dragan Dosen1322d092015-09-22 16:05:32 +02001616
Emeric Brun54648852020-07-06 15:54:06 +02001617 /* compute month */
1618 month = 10*(timestamp[5] - '0') + (timestamp[6] - '0');
1619 if (month)
1620 month--;
1621 if (month <= 11) {
1622 /* builds log prefix ex: 'Jan 1 ' */
1623 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1624 "%s %c%c ", monthname[month],
1625 timestamp[8] != '0' ? timestamp[8] : ' ',
1626 timestamp[9]);
1627 /* we reused the timestamp_buffer, signal that it does not
1628 * contain local time anymore
1629 */
1630 hdr_ctx.cur_legacy_time = 0;
1631 if (len == 7) {
1632 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1633 /* adds 'HH:MM:SS' from iso time */
1634 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[11], 8);
1635 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1636 /* we successfully reuse iso time, we can break */
1637 break;
1638 }
1639 }
1640 /* Failed to reuse isotime time, fallback to local legacy time */
1641 }
Dragan Dosen1322d092015-09-22 16:05:32 +02001642
Emeric Brun54648852020-07-06 15:54:06 +02001643 if (unlikely(time != hdr_ctx.cur_legacy_time)) {
1644 /* re-builds timestamp from the current local time */
1645 get_localtime(time, &logtime);
1646
1647 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1648 "%s %2d %02d:%02d:%02d ",
1649 monthname[logtime.tm_mon],
1650 logtime.tm_mday, logtime.tm_hour, logtime.tm_min, logtime.tm_sec);
1651 if (len != LOG_LEGACYTIME_LEN+1)
1652 hdr_ctx.cur_legacy_time = 0;
1653 else
1654 hdr_ctx.cur_legacy_time = time;
1655 }
1656 if (likely(hdr_ctx.cur_legacy_time))
1657 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], LOG_LEGACYTIME_LEN+1);
1658 else
1659 hdr_ctx.ist_vector[(*nbelem)++] = ist2("Jan 1 00:00:00 ", LOG_LEGACYTIME_LEN+1);
1660 break;
1661 case LOG_FORMAT_RFC5424:
1662 /* adds rfc5425 version prefix */
1663 hdr_ctx.ist_vector[(*nbelem)++] = ist2("1 ", 2);
1664 if (metadata && metadata[LOG_META_TIME].len == 1 && metadata[LOG_META_TIME].ptr[0] == '-') {
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001665 /* submitted len is NILVALUE, it is a valid timestamp for rfc5425 */
Emeric Brun54648852020-07-06 15:54:06 +02001666 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1667 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1668 break;
1669 }
1670 /* let continue as 'timed' and 'iso' format for usual timestamp */
1671 /* fall through */
1672 case LOG_FORMAT_TIMED:
1673 case LOG_FORMAT_ISO:
1674 /* ISO format ex: '1900:01:01T12:00:00.123456Z'
1675 * '1900:01:01T14:00:00+02:00'
1676 * '1900:01:01T10:00:00.123456-02:00'
1677 */
1678 if (metadata && metadata[LOG_META_TIME].len >= LOG_ISOTIME_MINLEN) {
1679 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TIME];
1680 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001681 /* time is set, break immediately */
Emeric Brun54648852020-07-06 15:54:06 +02001682 break;
1683 }
1684 else if (metadata && metadata[LOG_META_TIME].len == LOG_LEGACYTIME_LEN) {
1685 int month;
1686 char *timestamp = metadata[LOG_META_TIME].ptr;
1687
1688 for (month = 0; month < 12; month++)
1689 if (!memcmp(monthname[month], timestamp, 3))
1690 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001691
Emeric Brun54648852020-07-06 15:54:06 +02001692 if (month < 12) {
1693
1694 /* get local time to retrieve year */
1695 get_localtime(time, &logtime);
1696
1697 /* year seems changed since log */
1698 if (logtime.tm_mon < month)
1699 logtime.tm_year--;
1700
1701 /* builds rfc5424 prefix ex: '1900-01-01T' */
1702 len = snprintf(hdr_ctx.timestamp_buffer, sizeof(hdr_ctx.timestamp_buffer),
1703 "%4d-%02d-%c%cT",
1704 logtime.tm_year+1900, month+1,
1705 timestamp[4] != ' ' ? timestamp[4] : '0',
1706 timestamp[5]);
1707
1708 /* we reused the timestamp_buffer, signal that it does not
1709 * contain local time anymore
1710 */
1711 hdr_ctx.cur_legacy_time = 0;
1712 if (len == 11) {
1713 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&hdr_ctx.timestamp_buffer[0], len);
1714 /* adds HH:MM:SS from legacy timestamp */
1715 hdr_ctx.ist_vector[(*nbelem)++] = ist2(&timestamp[7], 8);
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05001716 /* skip secfraq because it is optional */
Emeric Brun54648852020-07-06 15:54:06 +02001717 /* according to rfc: -00:00 means we don't know the timezone */
1718 hdr_ctx.ist_vector[(*nbelem)++] = ist2("-00:00 ", 7);
1719 /* we successfully reuse legacy time, we can break */
1720 break;
1721 }
1722 }
1723 /* Failed to reuse legacy time, fallback to local iso time */
1724 }
1725 hdr_ctx.ist_vector[(*nbelem)++] = ist2(timeofday_as_iso_us(1), LOG_ISOTIME_MAXLEN + 1);
1726 break;
1727 case LOG_FORMAT_PRIO:
1728 case LOG_FORMAT_SHORT:
1729 case LOG_FORMAT_RAW:
1730 break;
1731 case LOG_FORMAT_UNSPEC:
1732 case LOG_FORMATS:
1733 ABORT_NOW();
Dragan Dosen1322d092015-09-22 16:05:32 +02001734 }
1735
Emeric Brun54648852020-07-06 15:54:06 +02001736 /* prepare other meta data, stored into a max of 10 elems */
1737 switch (format) {
1738 case LOG_FORMAT_RFC3164:
1739 if (metadata && metadata[LOG_META_HOST].len) {
1740 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1741 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1742 }
Emeric Brun0237c4e2020-11-27 16:24:34 +01001743 else /* the caller MUST fill the hostname, this field is mandatory */
Emeric Brun54648852020-07-06 15:54:06 +02001744 hdr_ctx.ist_vector[(*nbelem)++] = ist2("localhost ", 10);
Emeric Brun0237c4e2020-11-27 16:24:34 +01001745 /* fall through */
1746 case LOG_FORMAT_LOCAL:
Emeric Brun54648852020-07-06 15:54:06 +02001747 if (!metadata || !metadata[LOG_META_TAG].len)
1748 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02001749
Emeric Brun54648852020-07-06 15:54:06 +02001750 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1751 if (metadata[LOG_META_PID].len) {
1752 hdr_ctx.ist_vector[(*nbelem)++] = ist2("[", 1);
1753 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1754 hdr_ctx.ist_vector[(*nbelem)++] = ist2("]", 1);
1755 }
1756 hdr_ctx.ist_vector[(*nbelem)++] = ist2(": ", 2);
1757 break;
1758 case LOG_FORMAT_RFC5424:
1759 if (metadata && metadata[LOG_META_HOST].len) {
1760 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_HOST];
1761 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1762 }
1763 else
1764 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
Dragan Dosen1322d092015-09-22 16:05:32 +02001765
Emeric Brun54648852020-07-06 15:54:06 +02001766 if (metadata && metadata[LOG_META_TAG].len) {
1767 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_TAG];
1768 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1769 }
1770 else
1771 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001772
Emeric Brun54648852020-07-06 15:54:06 +02001773 if (metadata && metadata[LOG_META_PID].len) {
1774 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_PID];
1775 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1776 }
1777 else
1778 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001779
Emeric Brun54648852020-07-06 15:54:06 +02001780 if (metadata && metadata[LOG_META_MSGID].len) {
1781 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_MSGID];
1782 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1783 }
1784 else
1785 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001786
Emeric Brun54648852020-07-06 15:54:06 +02001787 if (metadata && metadata[LOG_META_STDATA].len) {
1788 hdr_ctx.ist_vector[(*nbelem)++] = metadata[LOG_META_STDATA];
1789 hdr_ctx.ist_vector[(*nbelem)++] = ist2(" ", 1);
1790 }
1791 else
1792 hdr_ctx.ist_vector[(*nbelem)++] = ist2("- ", 2);
1793 break;
1794 case LOG_FORMAT_PRIO:
1795 case LOG_FORMAT_SHORT:
1796 case LOG_FORMAT_TIMED:
1797 case LOG_FORMAT_ISO:
1798 case LOG_FORMAT_RAW:
1799 break;
1800 case LOG_FORMAT_UNSPEC:
1801 case LOG_FORMATS:
1802 ABORT_NOW();
1803 }
1804
1805 return hdr_ctx.ist_vector;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001806}
1807
1808/*
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001809 * This function sends a syslog message to <logsrv>.
Emeric Brun54648852020-07-06 15:54:06 +02001810 * The argument <metadata> MUST be an array of size
1811 * LOG_META_FIELDS*sizeof(struct ist) containing data to build the header.
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001812 * It overrides the last byte of the message vector with an LF character.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001813 * Does not return any error,
William Lallemand2a4a44f2012-02-06 16:00:33 +01001814 */
Emeric Brun54648852020-07-06 15:54:06 +02001815static 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 +01001816{
Emeric Brun54648852020-07-06 15:54:06 +02001817 static THREAD_LOCAL struct iovec iovec[NB_LOG_HDR_MAX_ELEMENTS+1+1] = { }; /* header elements + message + LF */
Christopher Fauletf8188c62017-06-02 16:20:16 +02001818 static THREAD_LOCAL struct msghdr msghdr = {
1819 //.msg_iov = iovec,
Emeric Brun54648852020-07-06 15:54:06 +02001820 .msg_iovlen = NB_LOG_HDR_MAX_ELEMENTS+2
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001821 };
Christopher Fauletf8188c62017-06-02 16:20:16 +02001822 static THREAD_LOCAL int logfdunix = -1; /* syslog to AF_UNIX socket */
1823 static THREAD_LOCAL int logfdinet = -1; /* syslog to AF_INET socket */
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001824 int *plogfd;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001825 int sent;
Emeric Brun54648852020-07-06 15:54:06 +02001826 size_t nbelem;
1827 struct ist *msg_header = NULL;
Christopher Fauletf8188c62017-06-02 16:20:16 +02001828
1829 msghdr.msg_iov = iovec;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001830
Emeric Brunfa9d7802020-05-28 14:21:33 +02001831 /* historically some messages used to already contain the trailing LF
1832 * or Zero. Let's remove all trailing LF or Zero
1833 */
Emeric Brun54648852020-07-06 15:54:06 +02001834 while (size && (message[size-1] == '\n' || (message[size-1] == 0)))
Emeric Brun9e8ea0a2020-05-12 19:33:15 +02001835 size--;
1836
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001837 if (logsrv->type == LOG_TARGET_BUFFER) {
Willy Tarreauc046d162019-08-30 15:24:59 +02001838 plogfd = NULL;
Emeric Brune709e1e2020-05-06 17:23:59 +02001839 goto send;
Willy Tarreauc046d162019-08-30 15:24:59 +02001840 }
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001841 else if (logsrv->addr.ss_family == AF_CUST_EXISTING_FD) {
1842 /* the socket's address is a file descriptor */
1843 plogfd = (int *)&((struct sockaddr_in *)&logsrv->addr)->sin_addr.s_addr;
1844 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001845 else if (logsrv->addr.ss_family == AF_UNIX)
1846 plogfd = &logfdunix;
1847 else
1848 plogfd = &logfdinet;
Robert Tsai81ae1952007-12-05 10:47:29 +01001849
Willy Tarreauc046d162019-08-30 15:24:59 +02001850 if (plogfd && unlikely(*plogfd < 0)) {
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001851 /* socket not successfully initialized yet */
1852 if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM,
1853 (logsrv->addr.ss_family == AF_UNIX) ? 0 : IPPROTO_UDP)) < 0) {
1854 static char once;
William Lallemand0f99e342011-10-12 17:50:54 +02001855
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001856 if (!once) {
1857 once = 1; /* note: no need for atomic ops here */
1858 ha_alert("socket() failed in logger #%d: %s (errno=%d)\n",
1859 nblogger, strerror(errno), errno);
1860 }
1861 return;
1862 } else {
1863 /* we don't want to receive anything on this socket */
1864 setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
1865 /* does nothing under Linux, maybe needed for others */
1866 shutdown(*plogfd, SHUT_RD);
1867 fcntl(*plogfd, F_SETFD, fcntl(*plogfd, F_GETFD, FD_CLOEXEC) | FD_CLOEXEC);
1868 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001869 }
1870
Emeric Brun54648852020-07-06 15:54:06 +02001871 msg_header = build_log_header(logsrv->format, level, facility, metadata, &nbelem);
1872 send:
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001873 if (logsrv->type == LOG_TARGET_BUFFER) {
Emeric Brun54648852020-07-06 15:54:06 +02001874 struct ist msg;
1875
1876 msg = ist2(message, size);
1877 if (msg.len > logsrv->maxlen)
1878 msg.len = logsrv->maxlen;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001879
Willy Tarreaua5b325f2020-09-04 16:44:20 +02001880 sent = sink_write(logsrv->sink, &msg, 1, level, logsrv->facility, metadata);
1881 }
1882 else if (logsrv->addr.ss_family == AF_CUST_EXISTING_FD) {
1883 struct ist msg;
1884
1885 msg = ist2(message, size);
1886 if (msg.len > logsrv->maxlen)
1887 msg.len = logsrv->maxlen;
1888
1889 sent = fd_write_frag_line(*plogfd, logsrv->maxlen, msg_header, nbelem, &msg, 1, 1);
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001890 }
1891 else {
Emeric Brun54648852020-07-06 15:54:06 +02001892 int i = 0;
1893 int totlen = logsrv->maxlen;
1894
1895 for (i = 0 ; i < nbelem ; i++ ) {
1896 iovec[i].iov_base = msg_header[i].ptr;
1897 iovec[i].iov_len = msg_header[i].len;
1898 if (totlen <= iovec[i].iov_len) {
1899 iovec[i].iov_len = totlen;
1900 totlen = 0;
1901 break;
1902 }
1903 totlen -= iovec[i].iov_len;
1904 }
1905 if (totlen) {
1906 iovec[i].iov_base = message;
1907 iovec[i].iov_len = size;
1908 if (totlen <= iovec[i].iov_len)
1909 iovec[i].iov_len = totlen;
1910 i++;
1911 }
1912 iovec[i].iov_base = "\n"; /* insert a \n at the end of the message */
1913 iovec[i].iov_len = 1;
1914 i++;
Willy Tarreaud52a7f82019-08-30 14:05:35 +02001915
Emeric Brun54648852020-07-06 15:54:06 +02001916 msghdr.msg_iovlen = i;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001917 msghdr.msg_name = (struct sockaddr *)&logsrv->addr;
1918 msghdr.msg_namelen = get_addr_len(&logsrv->addr);
Dragan Dosen43885c72015-10-01 13:18:13 +02001919
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001920 sent = sendmsg(*plogfd, &msghdr, MSG_DONTWAIT | MSG_NOSIGNAL);
1921 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001922
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001923 if (sent < 0) {
1924 static char once;
Dragan Dosen43885c72015-10-01 13:18:13 +02001925
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001926 if (errno == EAGAIN)
Willy Tarreau4781b152021-04-06 13:53:36 +02001927 _HA_ATOMIC_INC(&dropped_logs);
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001928 else if (!once) {
1929 once = 1; /* note: no need for atomic ops here */
1930 ha_alert("sendmsg()/writev() failed in logger #%d: %s (errno=%d)\n",
1931 nblogger, strerror(errno), errno);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001932 }
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001933 }
1934}
Dragan Dosen59cee972015-09-19 22:09:02 +02001935
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001936/*
1937 * This function sends a syslog message.
1938 * It doesn't care about errors nor does it report them.
Emeric Brun54648852020-07-06 15:54:06 +02001939 * The argument <metadata> MUST be an array of size
1940 * LOG_META_FIELDS*sizeof(struct ist) containing
1941 * data to build the header.
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001942 */
Emeric Brun54648852020-07-06 15:54:06 +02001943void process_send_log(struct list *logsrvs, int level, int facility,
1944 struct ist *metadata, char *message, size_t size)
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001945{
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001946 struct logsrv *logsrv;
1947 int nblogger;
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001948
1949 /* Send log messages to syslog server. */
1950 nblogger = 0;
1951 list_for_each_entry(logsrv, logsrvs, list) {
Emeric Brun2f4cc282020-07-10 15:47:11 +02001952 int in_range = 1;
Frédéric Lécailled803e472019-04-25 07:42:09 +02001953
Frédéric Lécaille0bad8402019-04-10 08:22:17 +02001954 /* we can filter the level of the messages that are sent to each logger */
1955 if (level > logsrv->level)
1956 continue;
1957
Frédéric Lécailled803e472019-04-25 07:42:09 +02001958 if (logsrv->lb.smp_rgs) {
1959 struct smp_log_range *curr_rg;
1960
1961 HA_SPIN_LOCK(LOGSRV_LOCK, &logsrv->lock);
1962 curr_rg = &logsrv->lb.smp_rgs[logsrv->lb.curr_rg];
1963 in_range = in_smp_log_range(curr_rg, logsrv->lb.curr_idx);
1964 if (in_range) {
1965 /* Let's consume this range. */
1966 curr_rg->curr_idx = (curr_rg->curr_idx + 1) % curr_rg->sz;
1967 if (!curr_rg->curr_idx) {
1968 /* If consumed, let's select the next range. */
1969 logsrv->lb.curr_rg = (logsrv->lb.curr_rg + 1) % logsrv->lb.smp_rgs_sz;
1970 }
1971 }
1972 logsrv->lb.curr_idx = (logsrv->lb.curr_idx + 1) % logsrv->lb.smp_sz;
1973 HA_SPIN_UNLOCK(LOGSRV_LOCK, &logsrv->lock);
1974 }
1975 if (in_range)
Emeric Brun54648852020-07-06 15:54:06 +02001976 __do_send_log(logsrv, ++nblogger, MAX(level, logsrv->minlvl),
1977 (facility == -1) ? logsrv->facility : facility,
1978 metadata, message, size);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001979 }
1980}
1981
Emeric Brun54648852020-07-06 15:54:06 +02001982/*
1983 * This function sends a syslog message.
1984 * It doesn't care about errors nor does it report them.
1985 * The arguments <sd> and <sd_size> are used for the structured-data part
1986 * in RFC5424 formatted syslog messages.
1987 */
1988void __send_log(struct list *logsrvs, struct buffer *tagb, int level,
1989 char *message, size_t size, char *sd, size_t sd_size)
1990{
1991 static THREAD_LOCAL pid_t curr_pid;
1992 static THREAD_LOCAL char pidstr[16];
1993 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
1994
1995 if (logsrvs == NULL) {
1996 if (!LIST_ISEMPTY(&global.logsrvs)) {
1997 logsrvs = &global.logsrvs;
1998 }
1999 }
2000 if (!logsrvs || LIST_ISEMPTY(logsrvs))
2001 return;
2002
2003 if (!metadata[LOG_META_HOST].len) {
2004 if (global.log_send_hostname)
2005 metadata[LOG_META_HOST] = ist2(global.log_send_hostname, strlen(global.log_send_hostname));
Emeric Brun54648852020-07-06 15:54:06 +02002006 }
2007
2008 if (!tagb || !tagb->area)
2009 tagb = &global.log_tag;
2010
2011 if (tagb)
2012 metadata[LOG_META_TAG] = ist2(tagb->area, tagb->data);
2013
2014 if (unlikely(curr_pid != getpid()))
2015 metadata[LOG_META_PID].len = 0;
2016
2017 if (!metadata[LOG_META_PID].len) {
2018 curr_pid = getpid();
2019 ltoa_o(curr_pid, pidstr, sizeof(pidstr));
2020 metadata[LOG_META_PID] = ist2(pidstr, strlen(pidstr));
2021 }
2022
2023 metadata[LOG_META_STDATA] = ist2(sd, sd_size);
2024
2025 /* Remove trailing space of structured data */
2026 while (metadata[LOG_META_STDATA].len && metadata[LOG_META_STDATA].ptr[metadata[LOG_META_STDATA].len-1] == ' ')
2027 metadata[LOG_META_STDATA].len--;
2028
2029 return process_send_log(logsrvs, level, -1, metadata, message, size);
2030}
Willy Tarreaubaaee002006-06-26 02:48:02 +02002031
Willy Tarreauc89ccb62012-04-05 21:18:22 +02002032const 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 +01002033const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
2034 Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
2035 Set-cookie Updated, unknown, unknown */
2036
William Lallemand1d705562012-03-12 12:46:41 +01002037/*
2038 * try to write a character if there is enough space, or goto out
2039 */
William Lallemandbddd4fd2012-02-27 11:23:10 +01002040#define LOGCHAR(x) do { \
William Lallemand1d705562012-03-12 12:46:41 +01002041 if (tmplog < dst + maxsize - 1) { \
William Lallemandbddd4fd2012-02-27 11:23:10 +01002042 *(tmplog++) = (x); \
2043 } else { \
2044 goto out; \
2045 } \
2046 } while(0)
2047
Dragan Dosen835b9212016-02-12 13:23:03 +01002048
Willy Tarreaub6b3df32018-11-26 16:31:20 +01002049/* Initializes some log data at boot */
2050static void init_log()
Dragan Dosen835b9212016-02-12 13:23:03 +01002051{
2052 char *tmp;
Willy Tarreaue10cd482018-09-10 18:16:53 +02002053 int i;
Dragan Dosen835b9212016-02-12 13:23:03 +01002054
2055 /* Initialize the escape map for the RFC5424 structured-data : '"\]'
2056 * inside PARAM-VALUE should be escaped with '\' as prefix.
2057 * See https://tools.ietf.org/html/rfc5424#section-6.3.3 for more
2058 * details.
2059 */
2060 memset(rfc5424_escape_map, 0, sizeof(rfc5424_escape_map));
2061
2062 tmp = "\"\\]";
2063 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002064 ha_bit_set(*tmp, rfc5424_escape_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01002065 tmp++;
2066 }
Willy Tarreaue10cd482018-09-10 18:16:53 +02002067
2068 /* initialize the log header encoding map : '{|}"#' should be encoded with
2069 * '#' as prefix, as well as non-printable characters ( <32 or >= 127 ).
2070 * URL encoding only requires '"', '#' to be encoded as well as non-
2071 * printable characters above.
2072 */
2073 memset(hdr_encode_map, 0, sizeof(hdr_encode_map));
2074 memset(url_encode_map, 0, sizeof(url_encode_map));
2075 for (i = 0; i < 32; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002076 ha_bit_set(i, hdr_encode_map);
2077 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002078 }
2079 for (i = 127; i < 256; i++) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002080 ha_bit_set(i, hdr_encode_map);
2081 ha_bit_set(i, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002082 }
2083
2084 tmp = "\"#{|}";
2085 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002086 ha_bit_set(*tmp, hdr_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002087 tmp++;
2088 }
2089
2090 tmp = "\"#";
2091 while (*tmp) {
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002092 ha_bit_set(*tmp, url_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002093 tmp++;
2094 }
2095
2096 /* initialize the http header encoding map. The draft httpbis define the
2097 * header content as:
2098 *
2099 * HTTP-message = start-line
2100 * *( header-field CRLF )
2101 * CRLF
2102 * [ message-body ]
2103 * header-field = field-name ":" OWS field-value OWS
2104 * field-value = *( field-content / obs-fold )
2105 * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
2106 * obs-fold = CRLF 1*( SP / HTAB )
2107 * field-vchar = VCHAR / obs-text
2108 * VCHAR = %x21-7E
2109 * obs-text = %x80-FF
2110 *
2111 * All the chars are encoded except "VCHAR", "obs-text", SP and HTAB.
2112 * The encoded chars are form 0x00 to 0x08, 0x0a to 0x1f and 0x7f. The
Joseph Herlant85b40592018-11-15 12:10:04 -08002113 * "obs-fold" is voluntarily forgotten because haproxy remove this.
Willy Tarreaue10cd482018-09-10 18:16:53 +02002114 */
2115 memset(http_encode_map, 0, sizeof(http_encode_map));
2116 for (i = 0x00; i <= 0x08; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002117 ha_bit_set(i, http_encode_map);
Willy Tarreaue10cd482018-09-10 18:16:53 +02002118 for (i = 0x0a; i <= 0x1f; i++)
Willy Tarreau1bfd6022019-06-07 11:10:07 +02002119 ha_bit_set(i, http_encode_map);
2120 ha_bit_set(0x7f, http_encode_map);
Dragan Dosen835b9212016-02-12 13:23:03 +01002121}
William Lallemand1d705562012-03-12 12:46:41 +01002122
Willy Tarreaub6b3df32018-11-26 16:31:20 +01002123INITCALL0(STG_PREPARE, init_log);
2124
Christopher Faulet0132d062017-07-26 15:33:35 +02002125/* Initialize log buffers used for syslog messages */
2126int init_log_buffers()
2127{
Christopher Faulet0132d062017-07-26 15:33:35 +02002128 logline = my_realloc2(logline, global.max_syslog_len + 1);
2129 logline_rfc5424 = my_realloc2(logline_rfc5424, global.max_syslog_len + 1);
Emeric Brun54648852020-07-06 15:54:06 +02002130 if (!logline || !logline_rfc5424)
Christopher Faulet0132d062017-07-26 15:33:35 +02002131 return 0;
2132 return 1;
2133}
2134
2135/* Deinitialize log buffers used for syslog messages */
2136void deinit_log_buffers()
2137{
Christopher Faulet0132d062017-07-26 15:33:35 +02002138 free(logline);
2139 free(logline_rfc5424);
Willy Tarreau869efd52019-11-15 15:16:57 +01002140 ring_free(_HA_ATOMIC_XCHG(&startup_logs, NULL));
Christopher Faulet0132d062017-07-26 15:33:35 +02002141 logline = NULL;
2142 logline_rfc5424 = NULL;
2143}
2144
Willy Tarreaudf974472012-12-28 02:44:01 +01002145/* Builds a log line in <dst> based on <list_format>, and stops before reaching
2146 * <maxsize> characters. Returns the size of the output string in characters,
2147 * not counting the trailing zero which is always added if the resulting size
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002148 * is not zero. It requires a valid session and optionally a stream. If the
2149 * stream is NULL, default values will be assumed for the stream part.
Willy Tarreaudf974472012-12-28 02:44:01 +01002150 */
Willy Tarreau43c538e2018-09-05 14:58:15 +02002151int 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 +02002152{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002153 struct proxy *fe = sess->fe;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002154 struct proxy *be;
2155 struct http_txn *txn;
2156 const struct strm_logs *logs;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002157 struct connection *fe_conn, *be_conn;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002158 unsigned int s_flags;
2159 unsigned int uniq_id;
Willy Tarreau83061a82018-07-13 11:56:34 +02002160 struct buffer chunk;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002161 char *uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002162 char *spc;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002163 char *qmark;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002164 char *end;
Willy Tarreaufe944602007-10-25 10:34:16 +02002165 struct tm tm;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002166 int t_request;
2167 int hdr;
2168 int last_isspace = 1;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002169 int nspaces = 0;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01002170 char *tmplog;
William Lallemand1d705562012-03-12 12:46:41 +01002171 char *ret;
2172 int iret;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002173 int status;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002174 struct logformat_node *tmp;
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002175 struct timeval tv;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002176 struct strm_logs tmp_strm_log;
Maciej Zdebfcdfd852020-11-30 18:27:47 +00002177 struct ist path;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002178
William Lallemandbddd4fd2012-02-27 11:23:10 +01002179 /* FIXME: let's limit ourselves to frontend logging for now. */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002180
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002181 if (likely(s)) {
2182 be = s->be;
2183 txn = s->txn;
2184 be_conn = cs_conn(objt_cs(s->si[1].end));
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002185 status = (txn ? txn->status : 0);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002186 s_flags = s->flags;
2187 uniq_id = s->uniq_id;
2188 logs = &s->logs;
2189 } else {
2190 /* we have no stream so we first need to initialize a few
2191 * things that are needed later. We do increment the request
2192 * ID so that it's uniquely assigned to this request just as
2193 * if the request had reached the point of being processed.
2194 * A request error is reported as it's the only element we have
2195 * here and which justifies emitting such a log.
2196 */
Christopher Fauletfd818482021-04-14 14:01:41 +02002197 be = ((obj_type(sess->origin) == OBJ_TYPE_CHECK) ? __objt_check(sess->origin)->proxy : fe);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002198 txn = NULL;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002199 fe_conn = objt_conn(sess->origin);
Christopher Fauletfd818482021-04-14 14:01:41 +02002200 be_conn = ((obj_type(sess->origin) == OBJ_TYPE_CHECK) ? cs_conn(__objt_check(sess->origin)->cs) : NULL);
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002201 status = 0;
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002202 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
Willy Tarreau18515722021-04-06 11:57:41 +02002203 uniq_id = _HA_ATOMIC_FETCH_ADD(&global.req_count, 1);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002204
2205 /* prepare a valid log structure */
2206 tmp_strm_log.tv_accept = sess->tv_accept;
2207 tmp_strm_log.accept_date = sess->accept_date;
2208 tmp_strm_log.t_handshake = sess->t_handshake;
Christopher Fauletdd789212020-09-30 15:10:07 +02002209 tmp_strm_log.t_idle = (sess->t_idle >= 0 ? sess->t_idle : 0);
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002210 tv_zero(&tmp_strm_log.tv_request);
2211 tmp_strm_log.t_queue = -1;
2212 tmp_strm_log.t_connect = -1;
2213 tmp_strm_log.t_data = -1;
2214 tmp_strm_log.t_close = tv_ms_elapsed(&sess->tv_accept, &now);
2215 tmp_strm_log.bytes_in = 0;
2216 tmp_strm_log.bytes_out = 0;
2217 tmp_strm_log.prx_queue_pos = 0;
2218 tmp_strm_log.srv_queue_pos = 0;
2219
2220 logs = &tmp_strm_log;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002221
2222 if ((fe->mode == PR_MODE_HTTP) && fe_conn && fe_conn->mux && fe_conn->mux->ctl) {
2223 enum mux_exit_status es = fe_conn->mux->ctl(fe_conn, MUX_EXIT_STATUS, NULL);
2224
2225 switch (es) {
2226 case MUX_ES_SUCCESS:
2227 break;
2228 case MUX_ES_INVALID_ERR:
2229 status = 400;
2230 if ((fe_conn->flags & CO_FL_ERROR) || conn_xprt_read0_pending(fe_conn))
2231 s_flags = SF_ERR_CLICL | SF_FINST_R;
2232 else
2233 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
2234 break;
2235 case MUX_ES_TOUT_ERR:
2236 status = 408;
2237 s_flags = SF_ERR_CLITO | SF_FINST_R;
2238 break;
Christopher Faulet142dd332020-12-07 11:24:37 +01002239 case MUX_ES_NOTIMPL_ERR:
2240 status = 501;
2241 s_flags = SF_ERR_PRXCOND | SF_FINST_R;
2242 break;
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002243 case MUX_ES_INTERNAL_ERR:
2244 status = 500;
2245 s_flags = SF_ERR_INTERNAL | SF_FINST_R;
2246 break;
2247 default:
2248 break;
2249 }
2250 }
Willy Tarreau09bb27c2018-09-05 16:55:15 +02002251 }
2252
William Lallemandbddd4fd2012-02-27 11:23:10 +01002253 t_request = -1;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002254 if (tv_isge(&logs->tv_request, &logs->tv_accept))
2255 t_request = tv_ms_elapsed(&logs->tv_accept, &logs->tv_request);
William Lallemandbddd4fd2012-02-27 11:23:10 +01002256
William Lallemand1d705562012-03-12 12:46:41 +01002257 tmplog = dst;
Willy Tarreauc9bd0cc2009-05-10 11:57:02 +02002258
William Lallemandbddd4fd2012-02-27 11:23:10 +01002259 /* fill logbuffer */
William Lallemand1d705562012-03-12 12:46:41 +01002260 if (LIST_ISEMPTY(list_format))
2261 return 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002262
William Lallemand1d705562012-03-12 12:46:41 +01002263 list_for_each_entry(tmp, list_format, list) {
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002264 struct connection *conn;
Willy Tarreau4f653562012-10-12 19:48:16 +02002265 const char *src = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +01002266 struct sample *key;
Willy Tarreau83061a82018-07-13 11:56:34 +02002267 const struct buffer empty = { };
William Lallemandbddd4fd2012-02-27 11:23:10 +01002268
Willy Tarreauc8368452012-12-21 00:09:23 +01002269 switch (tmp->type) {
William Lallemand1d705562012-03-12 12:46:41 +01002270 case LOG_FMT_SEPARATOR:
William Lallemandbddd4fd2012-02-27 11:23:10 +01002271 if (!last_isspace) {
2272 LOGCHAR(' ');
2273 last_isspace = 1;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002274 }
2275 break;
2276
William Lallemand1d705562012-03-12 12:46:41 +01002277 case LOG_FMT_TEXT: // text
William Lallemandbddd4fd2012-02-27 11:23:10 +01002278 src = tmp->arg;
William Lallemand5f232402012-04-05 18:02:55 +02002279 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002280 if (iret == 0)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002281 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002282 tmplog += iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002283 last_isspace = 0;
2284 break;
2285
Willy Tarreauc8368452012-12-21 00:09:23 +01002286 case LOG_FMT_EXPR: // sample expression, may be request or response
2287 key = NULL;
Christopher Faulet5f940702020-04-06 10:40:02 +02002288 if (tmp->options & LOG_OPT_REQ_CAP)
Adis Nezirovic79beb242015-07-06 15:41:02 +02002289 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 +02002290 if (!key && (tmp->options & LOG_OPT_RES_CAP))
Adis Nezirovic79beb242015-07-06 15:41:02 +02002291 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 +01002292 if (tmp->options & LOG_OPT_HTTP)
Dragan Dosen835b9212016-02-12 13:23:03 +01002293 ret = lf_encode_chunk(tmplog, dst + maxsize,
2294 '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01002295 else
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002296 ret = lf_text_len(tmplog,
2297 key ? key->data.u.str.area : NULL,
2298 key ? key->data.u.str.data : 0,
2299 dst + maxsize - tmplog,
2300 tmp);
Willy Tarreauc8368452012-12-21 00:09:23 +01002301 if (ret == 0)
2302 goto out;
2303 tmplog = ret;
2304 last_isspace = 0;
2305 break;
2306
Willy Tarreau2beef582012-12-20 17:22:52 +01002307 case LOG_FMT_CLIENTIP: // %ci
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002308 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002309 if (conn && conn_get_src(conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002310 ret = lf_ip(tmplog, (struct sockaddr *)conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002311 else
2312 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002313 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002314 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002315 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002316 last_isspace = 0;
2317 break;
2318
Willy Tarreau2beef582012-12-20 17:22:52 +01002319 case LOG_FMT_CLIENTPORT: // %cp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002320 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002321 if (conn && conn_get_src(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002322 if (conn->src->ss_family == AF_UNIX) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002323 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002324 } else {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002325 ret = lf_port(tmplog, (struct sockaddr *)conn->src,
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002326 dst + maxsize - tmplog, tmp);
2327 }
William Lallemand5f232402012-04-05 18:02:55 +02002328 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002329 else
2330 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2331
William Lallemand5f232402012-04-05 18:02:55 +02002332 if (ret == NULL)
2333 goto out;
2334 tmplog = ret;
2335 last_isspace = 0;
2336 break;
2337
Willy Tarreau2beef582012-12-20 17:22:52 +01002338 case LOG_FMT_FRONTENDIP: // %fi
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002339 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002340 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002341 ret = lf_ip(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002342 }
2343 else
2344 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2345
William Lallemand1d705562012-03-12 12:46:41 +01002346 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002347 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002348 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002349 last_isspace = 0;
2350 break;
2351
Willy Tarreau2beef582012-12-20 17:22:52 +01002352 case LOG_FMT_FRONTENDPORT: // %fp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002353 conn = objt_conn(sess->origin);
Willy Tarreau8fa99842019-07-17 11:47:11 +02002354 if (conn && conn_get_dst(conn)) {
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002355 if (conn->dst->ss_family == AF_UNIX)
Willy Tarreaufb0afa72015-04-03 14:46:27 +02002356 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002357 else
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002358 ret = lf_port(tmplog, (struct sockaddr *)conn->dst, dst + maxsize - tmplog, tmp);
William Lallemand5f232402012-04-05 18:02:55 +02002359 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002360 else
2361 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2362
William Lallemand5f232402012-04-05 18:02:55 +02002363 if (ret == NULL)
2364 goto out;
2365 tmplog = ret;
2366 last_isspace = 0;
2367 break;
2368
Willy Tarreau2beef582012-12-20 17:22:52 +01002369 case LOG_FMT_BACKENDIP: // %bi
Willy Tarreau8fa99842019-07-17 11:47:11 +02002370 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002371 ret = lf_ip(tmplog, (const struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002372 else
2373 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2374
William Lallemand1d705562012-03-12 12:46:41 +01002375 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002376 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002377 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002378 last_isspace = 0;
2379 break;
2380
Willy Tarreau2beef582012-12-20 17:22:52 +01002381 case LOG_FMT_BACKENDPORT: // %bp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002382 if (be_conn && conn_get_src(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002383 ret = lf_port(tmplog, (struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002384 else
2385 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2386
William Lallemand5f232402012-04-05 18:02:55 +02002387 if (ret == NULL)
2388 goto out;
2389 tmplog = ret;
2390 last_isspace = 0;
2391 break;
2392
Willy Tarreau2beef582012-12-20 17:22:52 +01002393 case LOG_FMT_SERVERIP: // %si
Willy Tarreau8fa99842019-07-17 11:47:11 +02002394 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002395 ret = lf_ip(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002396 else
2397 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2398
William Lallemand5f232402012-04-05 18:02:55 +02002399 if (ret == NULL)
2400 goto out;
2401 tmplog = ret;
2402 last_isspace = 0;
2403 break;
2404
Willy Tarreau2beef582012-12-20 17:22:52 +01002405 case LOG_FMT_SERVERPORT: // %sp
Willy Tarreau8fa99842019-07-17 11:47:11 +02002406 if (be_conn && conn_get_dst(be_conn))
Willy Tarreau6c6365f2019-07-17 16:48:18 +02002407 ret = lf_port(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002408 else
2409 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
2410
William Lallemand1d705562012-03-12 12:46:41 +01002411 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01002412 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002413 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01002414 last_isspace = 0;
2415 break;
2416
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002417 case LOG_FMT_DATE: // %t = accept date
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002418 get_localtime(logs->accept_date.tv_sec, &tm);
2419 ret = date2str_log(tmplog, &tm, &logs->accept_date, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002420 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002421 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002422 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002423 last_isspace = 0;
2424 break;
2425
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002426 case LOG_FMT_tr: // %tr = start of request date
2427 /* Note that the timers are valid if we get here */
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002428 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 +02002429 get_localtime(tv.tv_sec, &tm);
2430 ret = date2str_log(tmplog, &tm, &tv, dst + maxsize - tmplog);
2431 if (ret == NULL)
2432 goto out;
2433 tmplog = ret;
2434 last_isspace = 0;
2435 break;
2436
2437 case LOG_FMT_DATEGMT: // %T = accept date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002438 get_gmtime(logs->accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02002439 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002440 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002441 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002442 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002443 last_isspace = 0;
2444 break;
2445
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002446 case LOG_FMT_trg: // %trg = start of request date, GMT
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002447 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 +02002448 get_gmtime(tv.tv_sec, &tm);
2449 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
2450 if (ret == NULL)
2451 goto out;
2452 tmplog = ret;
2453 last_isspace = 0;
2454 break;
2455
2456 case LOG_FMT_DATELOCAL: // %Tl = accept date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002457 get_localtime(logs->accept_date.tv_sec, &tm);
2458 ret = localdate2str_log(tmplog, logs->accept_date.tv_sec, &tm, dst + maxsize - tmplog);
Yuxans Yao4e25b012012-10-19 10:36:09 +08002459 if (ret == NULL)
2460 goto out;
2461 tmplog = ret;
2462 last_isspace = 0;
2463 break;
2464
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002465 case LOG_FMT_trl: // %trl = start of request date, local
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002466 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 +02002467 get_localtime(tv.tv_sec, &tm);
2468 ret = localdate2str_log(tmplog, tv.tv_sec, &tm, dst + maxsize - tmplog);
2469 if (ret == NULL)
2470 goto out;
2471 tmplog = ret;
2472 last_isspace = 0;
2473 break;
2474
William Lallemand5f232402012-04-05 18:02:55 +02002475 case LOG_FMT_TS: // %Ts
William Lallemand5f232402012-04-05 18:02:55 +02002476 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002477 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", (unsigned int)logs->accept_date.tv_sec);
William Lallemand5f232402012-04-05 18:02:55 +02002478 if (iret < 0 || iret > dst + maxsize - tmplog)
2479 goto out;
2480 last_isspace = 0;
2481 tmplog += iret;
2482 } else {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002483 ret = ltoa_o(logs->accept_date.tv_sec, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002484 if (ret == NULL)
2485 goto out;
2486 tmplog = ret;
2487 last_isspace = 0;
2488 }
2489 break;
2490
William Lallemand1d705562012-03-12 12:46:41 +01002491 case LOG_FMT_MS: // %ms
William Lallemand5f232402012-04-05 18:02:55 +02002492 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002493 iret = snprintf(tmplog, dst + maxsize - tmplog, "%02X",(unsigned int)logs->accept_date.tv_usec/1000);
William Lallemand5f232402012-04-05 18:02:55 +02002494 if (iret < 0 || iret > dst + maxsize - tmplog)
2495 goto out;
2496 last_isspace = 0;
2497 tmplog += iret;
2498 } else {
2499 if ((dst + maxsize - tmplog) < 4)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002500 goto out;
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002501 ret = utoa_pad((unsigned int)logs->accept_date.tv_usec/1000,
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002502 tmplog, 4);
2503 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002504 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01002505 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002506 last_isspace = 0;
William Lallemand5f232402012-04-05 18:02:55 +02002507 }
2508 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002509
William Lallemand1d705562012-03-12 12:46:41 +01002510 case LOG_FMT_FRONTEND: // %f
William Lallemandbddd4fd2012-02-27 11:23:10 +01002511 src = fe->id;
William Lallemand5f232402012-04-05 18:02:55 +02002512 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002513 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002514 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002515 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002516 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002517 break;
2518
Willy Tarreau773d65f2012-10-12 14:56:11 +02002519 case LOG_FMT_FRONTEND_XPRT: // %ft
2520 src = fe->id;
2521 if (tmp->options & LOG_OPT_QUOTE)
2522 LOGCHAR('"');
2523 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
2524 if (iret == 0)
2525 goto out;
2526 tmplog += iret;
Christopher Fauletfd818482021-04-14 14:01:41 +02002527 if (sess->listener && sess->listener->bind_conf->xprt == xprt_get(XPRT_SSL))
Willy Tarreau773d65f2012-10-12 14:56:11 +02002528 LOGCHAR('~');
Willy Tarreau773d65f2012-10-12 14:56:11 +02002529 if (tmp->options & LOG_OPT_QUOTE)
2530 LOGCHAR('"');
2531 last_isspace = 0;
2532 break;
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002533#ifdef USE_OPENSSL
2534 case LOG_FMT_SSL_CIPHER: // %sslc
2535 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002536 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002537 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002538 src = ssl_sock_get_cipher_name(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002539 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002540 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2541 if (ret == NULL)
2542 goto out;
2543 tmplog = ret;
2544 last_isspace = 0;
2545 break;
Willy Tarreau773d65f2012-10-12 14:56:11 +02002546
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002547 case LOG_FMT_SSL_VERSION: // %sslv
2548 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02002549 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002550 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02002551 src = ssl_sock_get_proto_version(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02002552 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02002553 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2554 if (ret == NULL)
2555 goto out;
2556 tmplog = ret;
2557 last_isspace = 0;
2558 break;
2559#endif
William Lallemand1d705562012-03-12 12:46:41 +01002560 case LOG_FMT_BACKEND: // %b
William Lallemandbddd4fd2012-02-27 11:23:10 +01002561 src = be->id;
William Lallemand5f232402012-04-05 18:02:55 +02002562 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002563 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002564 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002565 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002566 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002567 break;
2568
William Lallemand1d705562012-03-12 12:46:41 +01002569 case LOG_FMT_SERVER: // %s
Christopher Fauletfd818482021-04-14 14:01:41 +02002570 switch (obj_type(s ? s->target : sess->origin)) {
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002571 case OBJ_TYPE_SERVER:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002572 src = __objt_server(s->target)->id;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002573 break;
2574 case OBJ_TYPE_APPLET:
Willy Tarreau1aaf3242018-09-20 11:13:58 +02002575 src = __objt_applet(s->target)->name;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002576 break;
Christopher Fauletfd818482021-04-14 14:01:41 +02002577 case OBJ_TYPE_CHECK:
2578 src = (__objt_check(sess->origin)->server
2579 ? __objt_check(sess->origin)->server->id
2580 : "<NOSRV>");
2581 break;
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002582 default:
2583 src = "<NOSRV>";
2584 break;
2585 }
William Lallemand5f232402012-04-05 18:02:55 +02002586 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002587 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002588 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002589 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002590 last_isspace = 0;
2591 break;
2592
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002593 case LOG_FMT_Th: // %Th = handshake time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002594 ret = ltoa_o(logs->t_handshake, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002595 if (ret == NULL)
2596 goto out;
2597 tmplog = ret;
2598 last_isspace = 0;
2599 break;
2600
2601 case LOG_FMT_Ti: // %Ti = HTTP idle time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002602 ret = ltoa_o(logs->t_idle, tmplog, dst + maxsize - tmplog);
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002603 if (ret == NULL)
2604 goto out;
2605 tmplog = ret;
2606 last_isspace = 0;
2607 break;
2608
2609 case LOG_FMT_TR: // %TR = HTTP request time
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002610 ret = ltoa_o((t_request >= 0) ? t_request - logs->t_idle - logs->t_handshake : -1,
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002611 tmplog, dst + maxsize - tmplog);
2612 if (ret == NULL)
2613 goto out;
2614 tmplog = ret;
2615 last_isspace = 0;
2616 break;
2617
2618 case LOG_FMT_TQ: // %Tq = Th + Ti + TR
William Lallemand5f232402012-04-05 18:02:55 +02002619 ret = ltoa_o(t_request, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002620 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002621 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002622 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002623 last_isspace = 0;
2624 break;
2625
William Lallemand1d705562012-03-12 12:46:41 +01002626 case LOG_FMT_TW: // %Tw
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002627 ret = ltoa_o((logs->t_queue >= 0) ? logs->t_queue - t_request : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002628 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002629 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002630 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002631 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002632 last_isspace = 0;
2633 break;
2634
William Lallemand1d705562012-03-12 12:46:41 +01002635 case LOG_FMT_TC: // %Tc
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002636 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_connect - logs->t_queue : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002637 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002638 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002639 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002640 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002641 last_isspace = 0;
2642 break;
2643
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002644 case LOG_FMT_Tr: // %Tr
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002645 ret = ltoa_o((logs->t_data >= 0) ? logs->t_data - logs->t_connect : -1,
William Lallemand5f232402012-04-05 18:02:55 +02002646 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002647 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002648 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002649 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002650 last_isspace = 0;
2651 break;
2652
Willy Tarreau27b639d2016-05-17 17:55:27 +02002653 case LOG_FMT_TD: // %Td
Willy Tarreaua21c0e62018-09-05 15:07:15 +02002654 if (be->mode == PR_MODE_HTTP)
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002655 ret = ltoa_o((logs->t_data >= 0) ? logs->t_close - logs->t_data : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002656 tmplog, dst + maxsize - tmplog);
2657 else
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002658 ret = ltoa_o((logs->t_connect >= 0) ? logs->t_close - logs->t_connect : -1,
Willy Tarreau27b639d2016-05-17 17:55:27 +02002659 tmplog, dst + maxsize - tmplog);
2660 if (ret == NULL)
2661 goto out;
2662 tmplog = ret;
2663 last_isspace = 0;
2664 break;
2665
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02002666 case LOG_FMT_Ta: // %Ta = active time = Tt - Th - Ti
2667 if (!(fe->to_log & LW_BYTES))
2668 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002669 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 +02002670 tmplog, dst + maxsize - tmplog);
2671 if (ret == NULL)
2672 goto out;
2673 tmplog = ret;
2674 last_isspace = 0;
2675 break;
2676
2677 case LOG_FMT_TT: // %Tt = total time
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002678 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002679 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002680 ret = ltoa_o(logs->t_close, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002681 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002682 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002683 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002684 last_isspace = 0;
2685 break;
2686
Damien Claisse57c8eb92020-04-28 12:09:19 +00002687 case LOG_FMT_TU: // %Tu = total time seen by user = Tt - Ti
2688 if (!(fe->to_log & LW_BYTES))
2689 LOGCHAR('+');
2690 ret = ltoa_o(logs->t_close - (logs->t_idle >= 0 ? logs->t_idle : 0),
2691 tmplog, dst + maxsize - tmplog);
2692 if (ret == NULL)
2693 goto out;
2694 tmplog = ret;
2695 last_isspace = 0;
2696 break;
2697
Willy Tarreau2beef582012-12-20 17:22:52 +01002698 case LOG_FMT_STATUS: // %ST
Christopher Fauletce5e6bc2020-10-06 15:11:43 +02002699 ret = ltoa_o(status, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002700 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002701 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002702 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002703 last_isspace = 0;
2704 break;
2705
William Lallemand1d705562012-03-12 12:46:41 +01002706 case LOG_FMT_BYTES: // %B
Willy Tarreaud79a3b22012-12-28 09:40:16 +01002707 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01002708 LOGCHAR('+');
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002709 ret = lltoa(logs->bytes_out, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002710 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002711 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002712 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002713 last_isspace = 0;
2714 break;
2715
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002716 case LOG_FMT_BYTES_UP: // %U
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002717 ret = lltoa(logs->bytes_in, tmplog, dst + maxsize - tmplog);
Willy Tarreauc5259fd2012-12-20 15:38:04 +01002718 if (ret == NULL)
2719 goto out;
2720 tmplog = ret;
2721 last_isspace = 0;
2722 break;
2723
Willy Tarreau2beef582012-12-20 17:22:52 +01002724 case LOG_FMT_CCLIENT: // %CC
Willy Tarreau57bc8912016-04-25 17:09:40 +02002725 src = txn ? txn->cli_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002726 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002727 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002728 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002729 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002730 last_isspace = 0;
2731 break;
2732
Willy Tarreau2beef582012-12-20 17:22:52 +01002733 case LOG_FMT_CSERVER: // %CS
Willy Tarreau57bc8912016-04-25 17:09:40 +02002734 src = txn ? txn->srv_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02002735 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002736 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002737 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002738 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002739 last_isspace = 0;
2740 break;
2741
William Lallemand1d705562012-03-12 12:46:41 +01002742 case LOG_FMT_TERMSTATE: // %ts
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002743 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2744 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau6580c062012-03-12 15:09:42 +01002745 *tmplog = '\0';
2746 last_isspace = 0;
2747 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002748
William Lallemand1d705562012-03-12 12:46:41 +01002749 case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002750 LOGCHAR(sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
2751 LOGCHAR(sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau57bc8912016-04-25 17:09:40 +02002752 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
2753 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 +01002754 last_isspace = 0;
2755 break;
2756
William Lallemand1d705562012-03-12 12:46:41 +01002757 case LOG_FMT_ACTCONN: // %ac
William Lallemand5f232402012-04-05 18:02:55 +02002758 ret = ltoa_o(actconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002759 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002760 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002761 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002762 last_isspace = 0;
2763 break;
2764
William Lallemand1d705562012-03-12 12:46:41 +01002765 case LOG_FMT_FECONN: // %fc
William Lallemand5f232402012-04-05 18:02:55 +02002766 ret = ltoa_o(fe->feconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002767 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002768 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002769 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002770 last_isspace = 0;
2771 break;
2772
William Lallemand1d705562012-03-12 12:46:41 +01002773 case LOG_FMT_BECONN: // %bc
William Lallemand5f232402012-04-05 18:02:55 +02002774 ret = ltoa_o(be->beconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002775 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002776 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002777 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002778 last_isspace = 0;
2779 break;
2780
William Lallemand1d705562012-03-12 12:46:41 +01002781 case LOG_FMT_SRVCONN: // %sc
Christopher Fauletfd818482021-04-14 14:01:41 +02002782 switch (obj_type(s ? s->target : sess->origin)) {
2783 case OBJ_TYPE_SERVER:
2784 ret = ultoa_o(__objt_server(s->target)->cur_sess,
2785 tmplog, dst + maxsize - tmplog);
2786 break;
2787 case OBJ_TYPE_CHECK:
2788 ret = ultoa_o(__objt_check(sess->origin)->server
2789 ? __objt_check(sess->origin)->server->cur_sess
2790 : 0, tmplog, dst + maxsize - tmplog);
2791 break;
2792 default:
2793 ret = ultoa_o(0, tmplog, dst + maxsize - tmplog);
2794 break;
2795 }
2796
William Lallemand1d705562012-03-12 12:46:41 +01002797 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002798 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002799 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002800 last_isspace = 0;
2801 break;
2802
William Lallemand1d705562012-03-12 12:46:41 +01002803 case LOG_FMT_RETRIES: // %rq
Willy Tarreaub8bc5252018-09-05 15:51:28 +02002804 if (s_flags & SF_REDISP)
William Lallemand1d705562012-03-12 12:46:41 +01002805 LOGCHAR('+');
Christopher Faulet1d26f222021-04-16 11:24:20 +02002806 ret = ltoa_o(((s && s->si[1].conn_retries > 0)
2807 ? (be->conn_retries - s->si[1].conn_retries)
2808 : ((s && s->si[1].state != SI_ST_INI) ? be->conn_retries : 0)),
2809 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002810 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02002811 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002812 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002813 last_isspace = 0;
2814 break;
2815
William Lallemand1d705562012-03-12 12:46:41 +01002816 case LOG_FMT_SRVQUEUE: // %sq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002817 ret = ltoa_o(logs->srv_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002818 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002819 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002820 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002821 last_isspace = 0;
2822 break;
2823
William Lallemand1d705562012-03-12 12:46:41 +01002824 case LOG_FMT_BCKQUEUE: // %bq
Willy Tarreau372ac5a2018-09-05 15:16:23 +02002825 ret = ltoa_o(logs->prx_queue_pos, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01002826 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01002827 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002828 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002829 last_isspace = 0;
2830 break;
2831
William Lallemand1d705562012-03-12 12:46:41 +01002832 case LOG_FMT_HDRREQUEST: // %hr
William Lallemandbddd4fd2012-02-27 11:23:10 +01002833 /* request header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002834 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002835 if (tmp->options & LOG_OPT_QUOTE)
2836 LOGCHAR('"');
2837 LOGCHAR('{');
2838 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2839 if (hdr)
2840 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002841 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002842 ret = lf_encode_string(tmplog, dst + maxsize,
2843 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002844 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002845 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002846 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002847 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002848 }
2849 LOGCHAR('}');
William Lallemand51b5dca2012-03-26 17:52:55 +02002850 if (tmp->options & LOG_OPT_QUOTE)
2851 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002852 last_isspace = 0;
2853 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002854 break;
2855
William Lallemand1d705562012-03-12 12:46:41 +01002856 case LOG_FMT_HDRREQUESTLIST: // %hrl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002857 /* request header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002858 if (fe->nb_req_cap && s && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002859 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
2860 if (hdr > 0)
2861 LOGCHAR(' ');
2862 if (tmp->options & LOG_OPT_QUOTE)
2863 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002864 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002865 ret = lf_encode_string(tmplog, dst + maxsize,
2866 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002867 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002868 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002869 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002870 } else if (!(tmp->options & LOG_OPT_QUOTE))
2871 LOGCHAR('-');
2872 if (tmp->options & LOG_OPT_QUOTE)
2873 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002874 last_isspace = 0;
2875 }
2876 }
2877 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002878
William Lallemand1d705562012-03-12 12:46:41 +01002879
2880 case LOG_FMT_HDRRESPONS: // %hs
William Lallemandbddd4fd2012-02-27 11:23:10 +01002881 /* response header */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002882 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002883 if (tmp->options & LOG_OPT_QUOTE)
2884 LOGCHAR('"');
2885 LOGCHAR('{');
2886 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2887 if (hdr)
2888 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002889 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002890 ret = lf_encode_string(tmplog, dst + maxsize,
2891 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002892 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002893 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002894 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002895 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002896 }
2897 LOGCHAR('}');
2898 last_isspace = 0;
2899 if (tmp->options & LOG_OPT_QUOTE)
2900 LOGCHAR('"');
2901 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002902 break;
2903
William Lallemand1d705562012-03-12 12:46:41 +01002904 case LOG_FMT_HDRRESPONSLIST: // %hsl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002905 /* response header list */
Willy Tarreaud4f91662018-09-05 15:28:07 +02002906 if (fe->nb_rsp_cap && s && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002907 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2908 if (hdr > 0)
2909 LOGCHAR(' ');
2910 if (tmp->options & LOG_OPT_QUOTE)
2911 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002912 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002913 ret = lf_encode_string(tmplog, dst + maxsize,
2914 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002915 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002916 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002917 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002918 } else if (!(tmp->options & LOG_OPT_QUOTE))
2919 LOGCHAR('-');
2920 if (tmp->options & LOG_OPT_QUOTE)
2921 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002922 last_isspace = 0;
2923 }
2924 }
2925 break;
2926
William Lallemand1d705562012-03-12 12:46:41 +01002927 case LOG_FMT_REQ: // %r
William Lallemandbddd4fd2012-02-27 11:23:10 +01002928 /* Request */
2929 if (tmp->options & LOG_OPT_QUOTE)
2930 LOGCHAR('"');
Willy Tarreau57bc8912016-04-25 17:09:40 +02002931 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Dragan Dosen835b9212016-02-12 13:23:03 +01002932 ret = lf_encode_string(tmplog, dst + maxsize,
2933 '#', url_encode_map, uri, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002934 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002935 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002936 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002937 if (tmp->options & LOG_OPT_QUOTE)
2938 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002939 last_isspace = 0;
2940 break;
William Lallemand5f232402012-04-05 18:02:55 +02002941
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002942 case LOG_FMT_HTTP_PATH: // %HP
Willy Tarreau57bc8912016-04-25 17:09:40 +02002943 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002944
Willy Tarreaub7636d12015-06-17 19:58:02 +02002945 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002946 LOGCHAR('"');
2947
2948 end = uri + strlen(uri);
2949 // look for the first whitespace character
2950 while (uri < end && !HTTP_IS_SPHT(*uri))
2951 uri++;
2952
2953 // keep advancing past multiple spaces
2954 while (uri < end && HTTP_IS_SPHT(*uri)) {
2955 uri++; nspaces++;
2956 }
2957
2958 // look for first space or question mark after url
2959 spc = uri;
2960 while (spc < end && *spc != '?' && !HTTP_IS_SPHT(*spc))
2961 spc++;
2962
Nenad Merdanovic54e439f2016-04-26 01:39:02 +02002963 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002964 chunk.area = "<BADREQ>";
2965 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002966 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02002967 chunk.area = uri;
2968 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002969 }
2970
Dragan Dosen835b9212016-02-12 13:23:03 +01002971 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002972 if (ret == NULL || *ret != '\0')
2973 goto out;
2974
2975 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002976 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002977 LOGCHAR('"');
2978
2979 last_isspace = 0;
2980 break;
2981
Maciej Zdebfcdfd852020-11-30 18:27:47 +00002982 case LOG_FMT_HTTP_PATH_ONLY: // %HPO
2983 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
2984
2985 if (tmp->options & LOG_OPT_QUOTE)
2986 LOGCHAR('"');
2987
2988 end = uri + strlen(uri);
2989
2990 // look for the first whitespace character
2991 while (uri < end && !HTTP_IS_SPHT(*uri))
2992 uri++;
2993
2994 // keep advancing past multiple spaces
2995 while (uri < end && HTTP_IS_SPHT(*uri)) {
2996 uri++; nspaces++;
2997 }
2998
2999 // look for first space after url
3000 spc = uri;
3001 while (spc < end && !HTTP_IS_SPHT(*spc))
3002 spc++;
3003
Tim Duesterhus92c696e2021-02-28 16:11:36 +01003004 path = ist2(uri, spc - uri);
Maciej Zdebfcdfd852020-11-30 18:27:47 +00003005
3006 // extract relative path without query params from url
3007 path = iststop(http_get_path(path), '?');
3008 if (!txn || !txn->uri || nspaces == 0) {
3009 chunk.area = "<BADREQ>";
3010 chunk.data = strlen("<BADREQ>");
3011 } else {
3012 chunk.area = path.ptr;
3013 chunk.data = path.len;
3014 }
3015
3016 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
3017 if (ret == NULL || *ret != '\0')
3018 goto out;
3019
3020 tmplog = ret;
3021 if (tmp->options & LOG_OPT_QUOTE)
3022 LOGCHAR('"');
3023
3024 last_isspace = 0;
3025 break;
3026
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003027 case LOG_FMT_HTTP_QUERY: // %HQ
3028 if (tmp->options & LOG_OPT_QUOTE)
3029 LOGCHAR('"');
3030
Willy Tarreau57bc8912016-04-25 17:09:40 +02003031 if (!txn || !txn->uri) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003032 chunk.area = "<BADREQ>";
3033 chunk.data = strlen("<BADREQ>");
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003034 } else {
3035 uri = txn->uri;
3036 end = uri + strlen(uri);
3037 // look for the first question mark
3038 while (uri < end && *uri != '?')
3039 uri++;
3040
3041 qmark = uri;
3042 // look for first space or question mark after url
3043 while (uri < end && !HTTP_IS_SPHT(*uri))
3044 uri++;
3045
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003046 chunk.area = qmark;
3047 chunk.data = uri - qmark;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003048 }
3049
Dragan Dosen835b9212016-02-12 13:23:03 +01003050 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworthe63ac872015-07-31 16:14:16 +00003051 if (ret == NULL || *ret != '\0')
3052 goto out;
3053
3054 tmplog = ret;
3055 if (tmp->options & LOG_OPT_QUOTE)
3056 LOGCHAR('"');
3057
3058 last_isspace = 0;
3059 break;
3060
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003061 case LOG_FMT_HTTP_URI: // %HU
Willy Tarreau57bc8912016-04-25 17:09:40 +02003062 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003063
Willy Tarreaub7636d12015-06-17 19:58:02 +02003064 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003065 LOGCHAR('"');
3066
3067 end = uri + strlen(uri);
3068 // look for the first whitespace character
3069 while (uri < end && !HTTP_IS_SPHT(*uri))
3070 uri++;
3071
3072 // keep advancing past multiple spaces
3073 while (uri < end && HTTP_IS_SPHT(*uri)) {
3074 uri++; nspaces++;
3075 }
3076
3077 // look for first space after url
3078 spc = uri;
3079 while (spc < end && !HTTP_IS_SPHT(*spc))
3080 spc++;
3081
Willy Tarreau57bc8912016-04-25 17:09:40 +02003082 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003083 chunk.area = "<BADREQ>";
3084 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003085 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003086 chunk.area = uri;
3087 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003088 }
3089
Dragan Dosen835b9212016-02-12 13:23:03 +01003090 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003091 if (ret == NULL || *ret != '\0')
3092 goto out;
3093
3094 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003095 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003096 LOGCHAR('"');
3097
3098 last_isspace = 0;
3099 break;
3100
3101 case LOG_FMT_HTTP_METHOD: // %HM
Willy Tarreau57bc8912016-04-25 17:09:40 +02003102 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02003103 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003104 LOGCHAR('"');
3105
3106 end = uri + strlen(uri);
3107 // look for the first whitespace character
3108 spc = uri;
3109 while (spc < end && !HTTP_IS_SPHT(*spc))
3110 spc++;
3111
3112 if (spc == end) { // odd case, we have txn->uri, but we only got a verb
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003113 chunk.area = "<BADREQ>";
3114 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003115 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003116 chunk.area = uri;
3117 chunk.data = spc - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003118 }
3119
Dragan Dosen835b9212016-02-12 13:23:03 +01003120 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003121 if (ret == NULL || *ret != '\0')
3122 goto out;
3123
3124 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003125 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003126 LOGCHAR('"');
3127
3128 last_isspace = 0;
3129 break;
3130
3131 case LOG_FMT_HTTP_VERSION: // %HV
Willy Tarreau57bc8912016-04-25 17:09:40 +02003132 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02003133 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003134 LOGCHAR('"');
3135
3136 end = uri + strlen(uri);
3137 // look for the first whitespace character
3138 while (uri < end && !HTTP_IS_SPHT(*uri))
3139 uri++;
3140
3141 // keep advancing past multiple spaces
3142 while (uri < end && HTTP_IS_SPHT(*uri)) {
3143 uri++; nspaces++;
3144 }
3145
3146 // look for the next whitespace character
3147 while (uri < end && !HTTP_IS_SPHT(*uri))
3148 uri++;
3149
3150 // keep advancing past multiple spaces
3151 while (uri < end && HTTP_IS_SPHT(*uri))
3152 uri++;
3153
Willy Tarreau57bc8912016-04-25 17:09:40 +02003154 if (!txn || !txn->uri || nspaces == 0) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003155 chunk.area = "<BADREQ>";
3156 chunk.data = strlen("<BADREQ>");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003157 } else if (uri == end) {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003158 chunk.area = "HTTP/0.9";
3159 chunk.data = strlen("HTTP/0.9");
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003160 } else {
Willy Tarreau843b7cb2018-07-13 10:54:26 +02003161 chunk.area = uri;
3162 chunk.data = end - uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003163 }
3164
Dragan Dosen835b9212016-02-12 13:23:03 +01003165 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003166 if (ret == NULL || *ret != '\0')
3167 goto out;
3168
3169 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02003170 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00003171 LOGCHAR('"');
3172
3173 last_isspace = 0;
3174 break;
3175
William Lallemand5f232402012-04-05 18:02:55 +02003176 case LOG_FMT_COUNTER: // %rt
3177 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau5cacab62018-09-05 15:52:59 +02003178 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", uniq_id);
William Lallemand5f232402012-04-05 18:02:55 +02003179 if (iret < 0 || iret > dst + maxsize - tmplog)
3180 goto out;
3181 last_isspace = 0;
3182 tmplog += iret;
3183 } else {
Willy Tarreau5cacab62018-09-05 15:52:59 +02003184 ret = ltoa_o(uniq_id, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02003185 if (ret == NULL)
3186 goto out;
3187 tmplog = ret;
3188 last_isspace = 0;
3189 }
3190 break;
3191
Willy Tarreau7346acb2014-08-28 15:03:15 +02003192 case LOG_FMT_LOGCNT: // %lc
3193 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003194 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", fe->log_count);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003195 if (iret < 0 || iret > dst + maxsize - tmplog)
3196 goto out;
3197 last_isspace = 0;
3198 tmplog += iret;
3199 } else {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003200 ret = ultoa_o(fe->log_count, tmplog, dst + maxsize - tmplog);
Willy Tarreau7346acb2014-08-28 15:03:15 +02003201 if (ret == NULL)
3202 goto out;
3203 tmplog = ret;
3204 last_isspace = 0;
3205 }
3206 break;
3207
William Lallemand5f232402012-04-05 18:02:55 +02003208 case LOG_FMT_HOSTNAME: // %H
3209 src = hostname;
3210 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
3211 if (ret == NULL)
3212 goto out;
3213 tmplog = ret;
3214 last_isspace = 0;
3215 break;
3216
3217 case LOG_FMT_PID: // %pid
3218 if (tmp->options & LOG_OPT_HEXA) {
3219 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", pid);
3220 if (iret < 0 || iret > dst + maxsize - tmplog)
3221 goto out;
3222 last_isspace = 0;
3223 tmplog += iret;
3224 } else {
3225 ret = ltoa_o(pid, tmplog, dst + maxsize - tmplog);
3226 if (ret == NULL)
3227 goto out;
3228 tmplog = ret;
3229 last_isspace = 0;
3230 }
3231 break;
William Lallemanda73203e2012-03-12 12:48:57 +01003232
3233 case LOG_FMT_UNIQUEID: // %ID
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003234 ret = NULL;
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003235 if (s)
3236 ret = lf_text_len(tmplog, s->unique_id.ptr, s->unique_id.len, maxsize - (tmplog - dst), tmp);
3237 else
3238 ret = lf_text_len(tmplog, NULL, 0, maxsize - (tmplog - dst), tmp);
William Lallemanda73203e2012-03-12 12:48:57 +01003239 if (ret == NULL)
3240 goto out;
3241 tmplog = ret;
3242 last_isspace = 0;
3243 break;
3244
William Lallemandbddd4fd2012-02-27 11:23:10 +01003245 }
3246 }
3247
3248out:
William Lallemand1d705562012-03-12 12:46:41 +01003249 /* *tmplog is a unused character */
3250 *tmplog = '\0';
Willy Tarreaudf974472012-12-28 02:44:01 +01003251 return tmplog - dst;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003252
Willy Tarreaubaaee002006-06-26 02:48:02 +02003253}
3254
William Lallemand1d705562012-03-12 12:46:41 +01003255/*
Willy Tarreau87b09662015-04-03 00:22:06 +02003256 * send a log for the stream when we have enough info about it.
William Lallemand1d705562012-03-12 12:46:41 +01003257 * Will not log if the frontend has no log defined.
3258 */
Willy Tarreau87b09662015-04-03 00:22:06 +02003259void strm_log(struct stream *s)
William Lallemand1d705562012-03-12 12:46:41 +01003260{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003261 struct session *sess = s->sess;
William Lallemand1d705562012-03-12 12:46:41 +01003262 int size, err, level;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003263 int sd_size = 0;
William Lallemand1d705562012-03-12 12:46:41 +01003264
3265 /* if we don't want to log normal traffic, return now */
Willy Tarreaue7dff022015-04-03 01:14:29 +02003266 err = (s->flags & SF_REDISP) ||
3267 ((s->flags & SF_ERR_MASK) > SF_ERR_LOCAL) ||
3268 (((s->flags & SF_ERR_MASK) == SF_ERR_NONE) &&
Willy Tarreau350f4872014-11-28 14:42:25 +01003269 (s->si[1].conn_retries != s->be->conn_retries)) ||
Willy Tarreaueee5b512015-04-03 23:46:31 +02003270 ((sess->fe->mode == PR_MODE_HTTP) && s->txn && s->txn->status >= 500);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003271
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003272 if (!err && (sess->fe->options2 & PR_O2_NOLOGNORM))
William Lallemand1d705562012-03-12 12:46:41 +01003273 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003274
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003275 if (LIST_ISEMPTY(&sess->fe->logsrvs))
William Lallemand1d705562012-03-12 12:46:41 +01003276 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01003277
Willy Tarreauabcd5142013-06-11 17:18:02 +02003278 if (s->logs.level) { /* loglevel was overridden */
3279 if (s->logs.level == -1) {
3280 s->logs.logwait = 0; /* logs disabled */
3281 return;
3282 }
3283 level = s->logs.level - 1;
3284 }
3285 else {
3286 level = LOG_INFO;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02003287 if (err && (sess->fe->options2 & PR_O2_LOGERRORS))
Willy Tarreauabcd5142013-06-11 17:18:02 +02003288 level = LOG_ERR;
3289 }
William Lallemand1d705562012-03-12 12:46:41 +01003290
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003291 /* if unique-id was not generated */
Tim Duesterhusa17e6622020-03-05 20:19:02 +01003292 if (!isttest(s->unique_id) && !LIST_ISEMPTY(&sess->fe->format_unique_id)) {
Tim Duesterhus2825b4b2020-02-28 15:13:34 +01003293 stream_generate_unique_id(s, &sess->fe->format_unique_id);
William Lallemand5b7ea3a2013-08-28 15:44:19 +02003294 }
3295
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003296 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3297 sd_size = build_logline(s, logline_rfc5424, global.max_syslog_len,
3298 &sess->fe->logformat_sd);
3299 }
3300
Dragan Dosen59cee972015-09-19 22:09:02 +02003301 size = build_logline(s, logline, global.max_syslog_len, &sess->fe->logformat);
William Lallemand1d705562012-03-12 12:46:41 +01003302 if (size > 0) {
Willy Tarreau4781b152021-04-06 13:53:36 +02003303 _HA_ATOMIC_INC(&sess->fe->log_count);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003304 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3305 logline, size + 1, logline_rfc5424, sd_size);
William Lallemand1d705562012-03-12 12:46:41 +01003306 s->logs.logwait = 0;
3307 }
3308}
William Lallemandbddd4fd2012-02-27 11:23:10 +01003309
Willy Tarreau53839352018-09-05 19:51:10 +02003310/*
3311 * send a minimalist log for the session. Will not log if the frontend has no
3312 * log defined. It is assumed that this is only used to report anomalies that
3313 * cannot lead to the creation of a regular stream. Because of this the log
3314 * level is LOG_INFO or LOG_ERR depending on the "log-separate-error" setting
3315 * in the frontend. The caller must simply know that it should not call this
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003316 * function to report unimportant events. It is safe to call this function with
3317 * sess==NULL (will not do anything).
Willy Tarreau53839352018-09-05 19:51:10 +02003318 */
3319void sess_log(struct session *sess)
3320{
3321 int size, level;
3322 int sd_size = 0;
3323
Willy Tarreau9fa267d2018-10-05 10:22:27 +02003324 if (!sess)
3325 return;
3326
Willy Tarreau53839352018-09-05 19:51:10 +02003327 if (LIST_ISEMPTY(&sess->fe->logsrvs))
3328 return;
3329
3330 level = LOG_INFO;
3331 if (sess->fe->options2 & PR_O2_LOGERRORS)
3332 level = LOG_ERR;
3333
3334 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
3335 sd_size = sess_build_logline(sess, NULL,
3336 logline_rfc5424, global.max_syslog_len,
3337 &sess->fe->logformat_sd);
3338 }
3339
3340 size = sess_build_logline(sess, NULL, logline, global.max_syslog_len, &sess->fe->logformat);
3341 if (size > 0) {
Willy Tarreau4781b152021-04-06 13:53:36 +02003342 _HA_ATOMIC_INC(&sess->fe->log_count);
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003343 __send_log(&sess->fe->logsrvs, &sess->fe->log_tag, level,
3344 logline, size + 1, logline_rfc5424, sd_size);
Willy Tarreau53839352018-09-05 19:51:10 +02003345 }
3346}
3347
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003348void app_log(struct list *logsrvs, struct buffer *tag, int level, const char *format, ...)
3349{
3350 va_list argp;
3351 int data_len;
3352
3353 if (level < 0 || format == NULL || logline == NULL)
3354 return;
3355
3356 va_start(argp, format);
3357 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
3358 if (data_len < 0 || data_len > global.max_syslog_len)
3359 data_len = global.max_syslog_len;
3360 va_end(argp);
3361
3362 __send_log(logsrvs, tag, level, logline, data_len, default_rfc5424_sd_log_format, 2);
3363}
Emeric Brun54932b42020-07-07 09:43:24 +02003364/*
3365 * This function parse a received log message <buf>, of size <buflen>
3366 * it fills <level>, <facility> and <metadata> depending of the detected
3367 * header format and message will point on remaining payload of <size>
3368 *
3369 * <metadata> must point on a preallocated array of LOG_META_FIELDS*sizeof(struct ist)
3370 * struct ist len will be set to 0 if field is not found
3371 * <level> and <facility> will be set to -1 if not found.
3372 */
3373void parse_log_message(char *buf, size_t buflen, int *level, int *facility,
3374 struct ist *metadata, char **message, size_t *size)
3375{
3376
3377 char *p;
3378 int fac_level = 0;
3379
3380 *level = *facility = -1;
3381
3382 *message = buf;
3383 *size = buflen;
3384
3385 memset(metadata, 0, LOG_META_FIELDS*sizeof(struct ist));
3386
3387 p = buf;
3388 if (*size < 2 || *p != '<')
3389 return;
3390
3391 p++;
3392 while (*p != '>') {
3393 if (*p > '9' || *p < '0')
3394 return;
3395 fac_level = 10*fac_level + (*p - '0');
3396 p++;
3397 if ((p - buf) > buflen)
3398 return;
3399 }
3400
3401 *facility = fac_level >> 3;
3402 *level = fac_level & 0x7;
3403 p++;
3404
3405 metadata[LOG_META_PRIO] = ist2(buf, p - buf);
3406
3407 buflen -= p - buf;
3408 buf = p;
3409
3410 *size = buflen;
3411 *message = buf;
3412
3413 /* for rfc5424, prio is always followed by '1' and ' ' */
3414 if ((*size > 2) && (p[0] == '1') && (p[1] == ' ')) {
3415 /* format is always '1 TIMESTAMP HOSTNAME TAG PID MSGID STDATA '
3416 * followed by message.
3417 * Each header field can present NILVALUE: '-'
3418 */
3419
3420 p += 2;
3421 /* timestamp is NILVALUE '-' */
3422 if (*size > 2 && (p[0] == '-') && p[1] == ' ') {
3423 metadata[LOG_META_TIME] = ist2(p, 1);
3424 p++;
3425 }
3426 else if (*size > LOG_ISOTIME_MINLEN) {
3427 metadata[LOG_META_TIME].ptr = p;
3428
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003429 /* check if optional secfrac is present
Emeric Brun54932b42020-07-07 09:43:24 +02003430 * in timestamp.
3431 * possible format are:
3432 * ex: '1970-01-01T00:00:00.000000Z'
3433 * '1970-01-01T00:00:00.000000+00:00'
3434 * '1970-01-01T00:00:00.000000-00:00'
3435 * '1970-01-01T00:00:00Z'
3436 * '1970-01-01T00:00:00+00:00'
3437 * '1970-01-01T00:00:00-00:00'
3438 */
3439 p += 19;
3440 if (*p == '.') {
3441 p++;
3442 if ((p - buf) >= buflen)
3443 goto bad_format;
3444 while (*p != 'Z' && *p != '+' && *p != '-') {
3445 if ((unsigned char)(*p - '0') > 9)
3446 goto bad_format;
3447
3448 p++;
3449 if ((p - buf) >= buflen)
3450 goto bad_format;
3451 }
3452 }
3453
3454 if (*p == 'Z')
3455 p++;
3456 else
3457 p += 6; /* case of '+00:00 or '-00:00' */
3458
3459 if ((p - buf) >= buflen || *p != ' ')
3460 goto bad_format;
3461 metadata[LOG_META_TIME].len = p - metadata[LOG_META_TIME].ptr;
3462 }
3463 else
3464 goto bad_format;
3465
3466
3467 p++;
3468 if ((p - buf) >= buflen || *p == ' ')
3469 goto bad_format;
3470
3471 metadata[LOG_META_HOST].ptr = p;
3472 while (*p != ' ') {
3473 p++;
3474 if ((p - buf) >= buflen)
3475 goto bad_format;
3476 }
3477 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3478 if (metadata[LOG_META_HOST].len == 1 && metadata[LOG_META_HOST].ptr[0] == '-')
3479 metadata[LOG_META_HOST].len = 0;
3480
3481 p++;
3482 if ((p - buf) >= buflen || *p == ' ')
3483 goto bad_format;
3484
3485 metadata[LOG_META_TAG].ptr = p;
3486 while (*p != ' ') {
3487 p++;
3488 if ((p - buf) >= buflen)
3489 goto bad_format;
3490 }
3491 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3492 if (metadata[LOG_META_TAG].len == 1 && metadata[LOG_META_TAG].ptr[0] == '-')
3493 metadata[LOG_META_TAG].len = 0;
3494
3495 p++;
3496 if ((p - buf) >= buflen || *p == ' ')
3497 goto bad_format;
3498
3499 metadata[LOG_META_PID].ptr = p;
3500 while (*p != ' ') {
3501 p++;
3502 if ((p - buf) >= buflen)
3503 goto bad_format;
3504 }
3505 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3506 if (metadata[LOG_META_PID].len == 1 && metadata[LOG_META_PID].ptr[0] == '-')
3507 metadata[LOG_META_PID].len = 0;
3508
3509 p++;
3510 if ((p - buf) >= buflen || *p == ' ')
3511 goto bad_format;
3512
3513 metadata[LOG_META_MSGID].ptr = p;
3514 while (*p != ' ') {
3515 p++;
3516 if ((p - buf) >= buflen)
3517 goto bad_format;
3518 }
3519 metadata[LOG_META_MSGID].len = p - metadata[LOG_META_MSGID].ptr;
3520 if (metadata[LOG_META_MSGID].len == 1 && metadata[LOG_META_MSGID].ptr[0] == '-')
3521 metadata[LOG_META_MSGID].len = 0;
3522
3523 p++;
3524 if ((p - buf) >= buflen || *p == ' ')
3525 goto bad_format;
3526
3527 /* structured data format is:
3528 * ex:
3529 * '[key1=value1 key2=value2][key3=value3]'
3530 *
3531 * space is invalid outside [] because
3532 * considered as the end of structured data field
3533 */
3534 metadata[LOG_META_STDATA].ptr = p;
3535 if (*p == '[') {
3536 int elem = 0;
3537
3538 while (1) {
3539 if (elem) {
3540 /* according to rfc this char is escaped in param values */
3541 if (*p == ']' && *(p-1) != '\\')
3542 elem = 0;
3543 }
3544 else {
3545 if (*p == '[')
3546 elem = 1;
3547 else if (*p == ' ')
3548 break;
3549 else
3550 goto bad_format;
3551 }
3552 p++;
3553 if ((p - buf) >= buflen)
3554 goto bad_format;
3555 }
3556 }
3557 else if (*p == '-') {
3558 /* case of NILVALUE */
3559 p++;
3560 if ((p - buf) >= buflen || *p != ' ')
3561 goto bad_format;
3562 }
3563 else
3564 goto bad_format;
3565
3566 metadata[LOG_META_STDATA].len = p - metadata[LOG_META_STDATA].ptr;
3567 if (metadata[LOG_META_STDATA].len == 1 && metadata[LOG_META_STDATA].ptr[0] == '-')
3568 metadata[LOG_META_STDATA].len = 0;
3569
3570 p++;
3571
3572 buflen -= p - buf;
3573 buf = p;
3574
3575 *size = buflen;
3576 *message = p;
3577 }
3578 else if (*size > LOG_LEGACYTIME_LEN) {
3579 int m;
3580
3581 /* supported header format according to rfc3164.
3582 * ex:
3583 * 'Jan 1 00:00:00 HOSTNAME TAG[PID]: '
3584 * or 'Jan 1 00:00:00 HOSTNAME TAG: '
3585 * or 'Jan 1 00:00:00 HOSTNAME '
3586 * Note: HOSTNAME is mandatory, and day
3587 * of month uses a single space prefix if
3588 * less than 10 to ensure hour offset is
3589 * always the same.
3590 */
3591
3592 /* Check month to see if it correspond to a rfc3164
3593 * header ex 'Jan 1 00:00:00' */
3594 for (m = 0; m < 12; m++)
3595 if (!memcmp(monthname[m], p, 3))
3596 break;
3597 /* Month not found */
3598 if (m == 12)
3599 goto bad_format;
3600
3601 metadata[LOG_META_TIME] = ist2(p, LOG_LEGACYTIME_LEN);
3602
3603 p += LOG_LEGACYTIME_LEN;
3604 if ((p - buf) >= buflen || *p != ' ')
3605 goto bad_format;
3606
3607 p++;
3608 if ((p - buf) >= buflen || *p == ' ')
3609 goto bad_format;
3610
3611 metadata[LOG_META_HOST].ptr = p;
3612 while (*p != ' ') {
3613 p++;
3614 if ((p - buf) >= buflen)
3615 goto bad_format;
3616 }
3617 metadata[LOG_META_HOST].len = p - metadata[LOG_META_HOST].ptr;
3618
3619 /* TAG seems to no be mandatory */
3620 p++;
3621
3622 buflen -= p - buf;
3623 buf = p;
3624
3625 *size = buflen;
3626 *message = buf;
3627
3628 if (!buflen)
3629 return;
3630
3631 while (((p - buf) < buflen) && *p != ' ' && *p != ':')
3632 p++;
3633
3634 /* a tag must present a trailing ':' */
3635 if (((p - buf) >= buflen) || *p != ':')
3636 return;
3637 p++;
3638 /* followed by a space */
3639 if (((p - buf) >= buflen) || *p != ' ')
3640 return;
3641
3642 /* rewind to parse tag and pid */
3643 p = buf;
3644 metadata[LOG_META_TAG].ptr = p;
3645 /* we have the guarantee that ':' will be reach before size limit */
3646 while (*p != ':') {
3647 if (*p == '[') {
3648 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3649 metadata[LOG_META_PID].ptr = p + 1;
3650 }
Tim Duesterhus7b5777d2021-03-02 18:57:28 +01003651 else if (*p == ']' && isttest(metadata[LOG_META_PID])) {
Emeric Brun54932b42020-07-07 09:43:24 +02003652 if (p[1] != ':')
3653 return;
3654 metadata[LOG_META_PID].len = p - metadata[LOG_META_PID].ptr;
3655 }
3656 p++;
3657 }
3658 if (!metadata[LOG_META_TAG].len)
3659 metadata[LOG_META_TAG].len = p - metadata[LOG_META_TAG].ptr;
3660
Ilya Shipitsin6b79f382020-07-23 00:32:55 +05003661 /* let pass ':' and ' ', we still have warranty size is large enough */
Emeric Brun54932b42020-07-07 09:43:24 +02003662 p += 2;
3663
3664 buflen -= p - buf;
3665 buf = p;
3666
3667 *size = buflen;
3668 *message = buf;
3669 }
3670
3671 return;
3672
3673bad_format:
3674 /* bad syslog format, we reset all parsed syslog fields
3675 * but priority is kept because we are able to re-build
3676 * this message using LOF_FORMAT_PRIO.
3677 */
3678 metadata[LOG_META_TIME].len = 0;
3679 metadata[LOG_META_HOST].len = 0;
3680 metadata[LOG_META_TAG].len = 0;
3681 metadata[LOG_META_PID].len = 0;
3682 metadata[LOG_META_MSGID].len = 0;
3683 metadata[LOG_META_STDATA].len = 0;
3684
3685 return;
3686}
3687
3688/*
3689 * UDP syslog fd handler
3690 */
3691void syslog_fd_handler(int fd)
3692{
3693 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
3694 ssize_t ret = 0;
3695 struct buffer *buf = get_trash_chunk();
3696 size_t size;
3697 char *message;
3698 int level;
3699 int facility;
3700 struct listener *l = objt_listener(fdtab[fd].owner);
3701 int max_accept;
3702
3703 if(!l)
3704 ABORT_NOW();
3705
Willy Tarreauf5090652021-04-06 17:23:40 +02003706 if (fdtab[fd].state & FD_POLL_IN) {
Emeric Brun54932b42020-07-07 09:43:24 +02003707
3708 if (!fd_recv_ready(fd))
3709 return;
3710
3711 max_accept = l->maxaccept ? l->maxaccept : 1;
3712
3713 do {
3714 /* Source address */
3715 struct sockaddr_storage saddr = {0};
3716 socklen_t saddrlen;
3717
3718 saddrlen = sizeof(saddr);
3719
3720 ret = recvfrom(fd, buf->area, buf->size, 0, (struct sockaddr *)&saddr, &saddrlen);
3721 if (ret < 0) {
3722 if (errno == EINTR)
3723 continue;
3724 if (errno == EAGAIN)
3725 fd_cant_recv(fd);
3726 goto out;
3727 }
3728 buf->data = ret;
3729
Emeric Brun45c457a2020-07-09 23:23:34 +02003730 /* update counters */
Willy Tarreau4781b152021-04-06 13:53:36 +02003731 _HA_ATOMIC_INC(&cum_log_messages);
Emeric Bruna39ecbd2020-10-05 14:33:12 +02003732 proxy_inc_fe_req_ctr(l, l->bind_conf->frontend);
Emeric Brun45c457a2020-07-09 23:23:34 +02003733
Emeric Brun54932b42020-07-07 09:43:24 +02003734 parse_log_message(buf->area, buf->data, &level, &facility, metadata, &message, &size);
3735
3736 process_send_log(&l->bind_conf->frontend->logsrvs, level, facility, metadata, message, size);
3737
3738 } while (--max_accept);
3739 }
3740
3741out:
3742 return;
3743}
Christopher Faulet5c6fefc2019-08-11 19:40:12 +02003744
Emeric Brun12941c82020-07-07 14:19:42 +02003745/*
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003746 * IO Handler to handle message exchange with a syslog tcp client
3747 */
3748static void syslog_io_handler(struct appctx *appctx)
3749{
3750 static THREAD_LOCAL struct ist metadata[LOG_META_FIELDS];
3751 struct stream_interface *si = appctx->owner;
3752 struct stream *s = si_strm(si);
3753 struct proxy *frontend = strm_fe(s);
3754 struct listener *l = strm_li(s);
3755 struct buffer *buf = get_trash_chunk();
3756 int max_accept;
3757 int to_skip;
3758 int facility;
3759 int level;
3760 char *message;
3761 size_t size;
3762
3763 max_accept = l->maxaccept ? l->maxaccept : 1;
3764 while (co_data(si_oc(si))) {
3765 char c;
3766
3767 if (max_accept <= 0)
3768 goto missing_budget;
3769 max_accept--;
3770
3771 to_skip = co_getchar(si_oc(si), &c);
3772 if (!to_skip)
3773 goto missing_data;
3774 else if (to_skip < 0)
3775 goto cli_abort;
3776
3777 if (c == '<') {
3778 /* rfc-6587, Non-Transparent-Framing: messages separated by
3779 * a trailing LF or CR LF
3780 */
3781 to_skip = co_getline(si_oc(si), buf->area, buf->size);
3782 if (!to_skip)
3783 goto missing_data;
3784 else if (to_skip < 0)
3785 goto cli_abort;
3786
3787 if (buf->area[to_skip - 1] != '\n')
3788 goto parse_error;
3789
3790 buf->data = to_skip - 1;
3791
3792 /* according to rfc-6587, some devices adds CR before LF */
3793 if (buf->data && buf->area[buf->data - 1] == '\r')
3794 buf->data--;
3795
3796 }
3797 else if ((unsigned char)(c - '1') <= 8) {
3798 /* rfc-6587, Octet-Counting: message length in ASCII
3799 * (first digit can not be ZERO), followed by a space
3800 * and message length
3801 */
3802 char *p = NULL;
3803 int msglen;
3804
3805 to_skip = co_getword(si_oc(si), buf->area, buf->size, ' ');
3806 if (!to_skip)
3807 goto missing_data;
3808 else if (to_skip < 0)
3809 goto cli_abort;
3810
3811 if (buf->area[to_skip - 1] != ' ')
3812 goto parse_error;
3813
3814 msglen = strtol(trash.area, &p, 10);
3815 if (!msglen || p != &buf->area[to_skip - 1])
3816 goto parse_error;
3817
3818 /* message seems too large */
3819 if (msglen > buf->size)
3820 goto parse_error;
3821
3822 msglen = co_getblk(si_oc(si), buf->area, msglen, to_skip);
3823 if (!msglen)
3824 goto missing_data;
3825 else if (msglen < 0)
3826 goto cli_abort;
3827
3828
3829 buf->data = msglen;
3830 to_skip += msglen;
3831 }
3832 else
3833 goto parse_error;
3834
3835 co_skip(si_oc(si), to_skip);
3836
3837 /* update counters */
Willy Tarreau4781b152021-04-06 13:53:36 +02003838 _HA_ATOMIC_INC(&cum_log_messages);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003839 proxy_inc_fe_req_ctr(l, frontend);
3840
3841 parse_log_message(buf->area, buf->data, &level, &facility, metadata, &message, &size);
3842
3843 process_send_log(&frontend->logsrvs, level, facility, metadata, message, size);
3844
3845 }
3846
3847missing_data:
3848 /* we need more data to read */
3849 si_oc(si)->flags |= CF_READ_DONTWAIT;
3850
3851 return;
3852
3853missing_budget:
3854 /* it may remain some stuff to do, let's retry later */
3855 appctx_wakeup(appctx);
3856
3857 return;
3858
3859parse_error:
3860 if (l->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02003861 _HA_ATOMIC_INC(&l->counters->failed_req);
3862 _HA_ATOMIC_INC(&frontend->fe_counters.failed_req);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003863
3864 goto close;
3865
3866cli_abort:
3867 if (l->counters)
Willy Tarreau4781b152021-04-06 13:53:36 +02003868 _HA_ATOMIC_INC(&l->counters->cli_aborts);
3869 _HA_ATOMIC_INC(&frontend->fe_counters.cli_aborts);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003870
3871close:
3872 si_shutw(si);
3873 si_shutr(si);
3874
3875 si_ic(si)->flags |= CF_READ_NULL;
3876
3877 return;
3878}
3879
3880static struct applet syslog_applet = {
3881 .obj_type = OBJ_TYPE_APPLET,
3882 .name = "<SYSLOG>", /* used for logging */
3883 .fct = syslog_io_handler,
3884 .release = NULL,
3885};
3886
3887/*
Emeric Brun12941c82020-07-07 14:19:42 +02003888 * Parse "log-forward" section and create corresponding sink buffer.
3889 *
3890 * The function returns 0 in success case, otherwise, it returns error
3891 * flags.
3892 */
3893int cfg_parse_log_forward(const char *file, int linenum, char **args, int kwm)
3894{
3895 int err_code = 0;
3896 struct proxy *px;
3897 char *errmsg = NULL;
3898 const char *err = NULL;
3899
3900 if (strcmp(args[0], "log-forward") == 0) {
3901 if (!*args[1]) {
3902 ha_alert("parsing [%s:%d] : missing name for ip-forward section.\n", file, linenum);
3903 err_code |= ERR_ALERT | ERR_ABORT;
3904 goto out;
3905 }
3906
3907 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3908 goto out;
3909
3910 err = invalid_char(args[1]);
3911 if (err) {
3912 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
3913 file, linenum, *err, args[0], args[1]);
3914 err_code |= ERR_ALERT | ERR_ABORT;
3915 goto out;
3916 }
3917
Emeric Brunb0c331f2020-10-07 17:05:59 +02003918 px = log_forward_by_name(args[1]);
3919 if (px) {
3920 ha_alert("Parsing [%s:%d]: log-forward section '%s' has the same name as another log-forward section declared at %s:%d.\n",
3921 file, linenum, args[1], px->conf.file, px->conf.line);
3922 err_code |= ERR_ALERT | ERR_FATAL;
3923 }
3924
3925 px = proxy_find_by_name(args[1], 0, 0);
3926 if (px) {
3927 ha_alert("Parsing [%s:%d]: log forward section '%s' has the same name as %s '%s' declared at %s:%d.\n",
3928 file, linenum, args[1], proxy_type_str(px),
3929 px->id, px->conf.file, px->conf.line);
3930 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun12941c82020-07-07 14:19:42 +02003931 }
3932
3933 px = calloc(1, sizeof *px);
3934 if (!px) {
3935 err_code |= ERR_ALERT | ERR_FATAL;
3936 goto out;
3937 }
3938
3939 px->next = cfg_log_forward;
3940 cfg_log_forward = px;
3941
3942 init_new_proxy(px);
3943 px->conf.file = strdup(file);
3944 px->conf.line = linenum;
3945 px->mode = PR_MODE_SYSLOG;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003946 px->last_change = now.tv_sec;
3947 px->cap = PR_CAP_FE;
3948 px->maxconn = 10;
3949 px->timeout.client = TICK_ETERNITY;
3950 px->accept = frontend_accept;
3951 px->default_target = &syslog_applet.obj_type;
Emeric Brun12941c82020-07-07 14:19:42 +02003952 px->id = strdup(args[1]);
3953
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003954 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01003955 else if (strcmp(args[0], "maxconn") == 0) { /* maxconn */
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003956 if (warnifnotcap(cfg_log_forward, PR_CAP_FE, file, linenum, args[0], " Maybe you want 'fullconn' instead ?"))
3957 err_code |= ERR_WARN;
3958
3959 if (*(args[1]) == 0) {
3960 ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
3961 err_code |= ERR_ALERT | ERR_FATAL;
3962 goto out;
3963 }
3964 cfg_log_forward->maxconn = atol(args[1]);
3965 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3966 goto out;
3967 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01003968 else if (strcmp(args[0], "backlog") == 0) { /* backlog */
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003969 if (warnifnotcap(cfg_log_forward, PR_CAP_FE, file, linenum, args[0], NULL))
3970 err_code |= ERR_WARN;
3971
3972 if (*(args[1]) == 0) {
3973 ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
3974 err_code |= ERR_ALERT | ERR_FATAL;
3975 goto out;
3976 }
3977 cfg_log_forward->backlog = atol(args[1]);
3978 if (alertif_too_many_args(1, file, linenum, args, &err_code))
3979 goto out;
3980 }
3981 else if (strcmp(args[0], "bind") == 0) {
3982 int cur_arg;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02003983 struct bind_conf *bind_conf;
3984 struct bind_kw *kw;
3985 struct listener *l;
3986
3987 cur_arg = 1;
3988
3989 bind_conf = bind_conf_alloc(cfg_log_forward, file, linenum,
3990 NULL, xprt_get(XPRT_RAW));
3991 if (!bind_conf) {
3992 ha_alert("parsing [%s:%d] : out of memory error.", file, linenum);
3993 err_code |= ERR_ALERT | ERR_FATAL;
3994 goto out;
3995 }
3996
3997 if (!str2listener(args[1], cfg_log_forward, bind_conf, file, linenum, &errmsg)) {
3998 if (errmsg && *errmsg) {
3999 indent_msg(&errmsg, 2);
4000 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
4001 }
4002 else {
4003 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
4004 file, linenum, args[0], args[1], args[2]);
4005 err_code |= ERR_ALERT | ERR_FATAL;
4006 goto out;
4007 }
4008 }
4009 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
Willy Tarreau66161322021-02-19 15:50:27 +01004010 l->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004011 l->accept = session_accept_fd;
4012 l->analysers |= cfg_log_forward->fe_req_ana;
4013 l->default_target = cfg_log_forward->default_target;
4014 global.maxsock++;
4015 }
4016 cur_arg++;
4017
4018 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
4019 int ret;
4020
4021 ret = kw->parse(args, cur_arg, cfg_log_forward, bind_conf, &errmsg);
4022 err_code |= ret;
4023 if (ret) {
4024 if (errmsg && *errmsg) {
4025 indent_msg(&errmsg, 2);
4026 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
4027 }
4028 else
4029 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
4030 file, linenum, args[cur_arg]);
4031 if (ret & ERR_FATAL)
4032 goto out;
4033 }
4034 cur_arg += 1 + kw->skip;
4035 }
4036 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +01004037 const char *best = bind_find_best_kw(args[cur_arg]);
4038 if (best)
4039 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
4040 file, linenum, args[cur_arg], cursection, best);
4041 else
4042 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
4043 file, linenum, args[cur_arg], cursection);
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004044 err_code |= ERR_ALERT | ERR_FATAL;
4045 goto out;
4046 }
Emeric Brun12941c82020-07-07 14:19:42 +02004047 }
Willy Tarreau76aaa7f2020-09-16 15:07:22 +02004048 else if (strcmp(args[0], "dgram-bind") == 0) {
Emeric Brun12941c82020-07-07 14:19:42 +02004049 int cur_arg;
Emeric Brun12941c82020-07-07 14:19:42 +02004050 struct bind_conf *bind_conf;
4051 struct bind_kw *kw;
4052 struct listener *l;
4053
4054 cur_arg = 1;
4055
4056 bind_conf = bind_conf_alloc(cfg_log_forward, file, linenum,
4057 NULL, xprt_get(XPRT_RAW));
Christopher Faulet0c6d1dc2021-04-12 16:56:37 +02004058 if (!bind_conf) {
4059 ha_alert("parsing [%s:%d] : out of memory error.", file, linenum);
4060 err_code |= ERR_ALERT | ERR_FATAL;
4061 goto out;
4062 }
Emeric Brun12941c82020-07-07 14:19:42 +02004063
Willy Tarreau26ff5da2020-09-16 15:22:19 +02004064 if (!str2receiver(args[1], cfg_log_forward, bind_conf, file, linenum, &errmsg)) {
Emeric Brun12941c82020-07-07 14:19:42 +02004065 if (errmsg && *errmsg) {
4066 indent_msg(&errmsg, 2);
4067 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
4068 }
4069 else {
4070 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
4071 file, linenum, args[0], args[1], args[2]);
Emeric Brun12941c82020-07-07 14:19:42 +02004072 }
Willy Tarreau3b139e52020-09-16 16:24:14 +02004073 err_code |= ERR_ALERT | ERR_FATAL;
4074 goto out;
Emeric Brun12941c82020-07-07 14:19:42 +02004075 }
4076 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
Willy Tarreau26ff5da2020-09-16 15:22:19 +02004077 /* the fact that the sockets are of type dgram is guaranteed by str2receiver() */
Willy Tarreau66161322021-02-19 15:50:27 +01004078 l->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Willy Tarreaue140a692020-10-15 21:25:32 +02004079 l->rx.iocb = syslog_fd_handler;
Emeric Brun12941c82020-07-07 14:19:42 +02004080 global.maxsock++;
4081 }
4082 cur_arg++;
4083
4084 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
4085 int ret;
4086
4087 ret = kw->parse(args, cur_arg, cfg_log_forward, bind_conf, &errmsg);
4088 err_code |= ret;
4089 if (ret) {
4090 if (errmsg && *errmsg) {
4091 indent_msg(&errmsg, 2);
4092 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
4093 }
4094 else
4095 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
4096 file, linenum, args[cur_arg]);
4097 if (ret & ERR_FATAL)
4098 goto out;
4099 }
4100 cur_arg += 1 + kw->skip;
4101 }
4102 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +01004103 const char *best = bind_find_best_kw(args[cur_arg]);
4104 if (best)
4105 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
4106 file, linenum, args[cur_arg], cursection, best);
4107 else
4108 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
4109 file, linenum, args[cur_arg], cursection);
Emeric Brun12941c82020-07-07 14:19:42 +02004110 err_code |= ERR_ALERT | ERR_FATAL;
4111 goto out;
4112 }
4113 }
4114 else if (strcmp(args[0], "log") == 0) {
Emeric Brun9533a702021-04-02 10:13:43 +02004115 if (!parse_logsrv(args, &cfg_log_forward->logsrvs, (kwm == KWM_NO), file, linenum, &errmsg)) {
Emeric Brun12941c82020-07-07 14:19:42 +02004116 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
4117 err_code |= ERR_ALERT | ERR_FATAL;
4118 goto out;
4119 }
Emeric Bruncbb7bf72020-10-05 14:39:35 +02004120 }
4121 else if (strcmp(args[0], "timeout") == 0) {
4122 const char *res;
4123 unsigned timeout;
4124
4125 if (strcmp(args[1], "client") != 0) {
4126 ha_alert("parsing [%s:%d] : unknown keyword '%s %s' in log-forward section.\n", file, linenum, args[0], args[1]);
4127 err_code |= ERR_ALERT | ERR_FATAL;
4128 goto out;
4129 }
4130
4131 if (*args[2] == 0) {
4132 ha_alert("parsing [%s:%d] : missing timeout client value.\n", file, linenum);
4133 err_code |= ERR_ALERT | ERR_FATAL;
4134 goto out;
4135 }
4136 res = parse_time_err(args[2], &timeout, TIME_UNIT_MS);
4137 if (res == PARSE_TIME_OVER) {
4138 memprintf(&errmsg, "timer overflow in argument '%s' to 'timeout client' (maximum value is 2147483647 ms or ~24.8 days)", args[2]);
4139 }
4140 else if (res == PARSE_TIME_UNDER) {
4141 memprintf(&errmsg, "timer underflow in argument '%s' to 'timeout client' (minimum non-null value is 1 ms)", args[2]);
4142 }
4143 else if (res) {
4144 memprintf(&errmsg, "unexpected character '%c' in 'timeout client'", *res);
4145 return -1;
4146 }
4147
4148 if (res) {
4149 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
4150 err_code |= ERR_ALERT | ERR_FATAL;
4151 goto out;
4152 }
4153 cfg_log_forward->timeout.client = MS_TO_TICKS(timeout);
Emeric Brun12941c82020-07-07 14:19:42 +02004154 }
Willy Tarreauf9feec22020-09-16 15:04:33 +02004155 else {
4156 ha_alert("parsing [%s:%d] : unknown keyword '%s' in log-forward section.\n", file, linenum, args[0]);
4157 err_code |= ERR_ALERT | ERR_ABORT;
4158 goto out;
4159 }
Emeric Brun12941c82020-07-07 14:19:42 +02004160out:
4161 return err_code;
4162}
4163
4164
Willy Tarreau869efd52019-11-15 15:16:57 +01004165/* parse the "show startup-logs" command, returns 1 if a message is returned, otherwise zero */
4166static int cli_parse_show_startup_logs(char **args, char *payload, struct appctx *appctx, void *private)
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004167{
Willy Tarreau869efd52019-11-15 15:16:57 +01004168 if (!cli_has_level(appctx, ACCESS_LVL_OPER))
4169 return 1;
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004170
Willy Tarreau869efd52019-11-15 15:16:57 +01004171 if (!startup_logs)
4172 return cli_msg(appctx, LOG_INFO, "\n"); // nothing to print
4173
4174 return ring_attach_cli(startup_logs, appctx);
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004175}
4176
4177/* register cli keywords */
4178static struct cli_kw_list cli_kws = {{ },{
Willy Tarreaub205bfd2021-05-07 11:38:37 +02004179 { { "show", "startup-logs", NULL }, "show startup-logs : report logs emitted during HAProxy startup", cli_parse_show_startup_logs, NULL, NULL },
Christopher Fauletc1b730a2017-10-24 12:00:51 +02004180 {{},}
4181}};
4182
Willy Tarreau0108d902018-11-25 19:14:37 +01004183INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
4184
Emeric Brun12941c82020-07-07 14:19:42 +02004185/* config parsers for this section */
4186REGISTER_CONFIG_SECTION("log-forward", cfg_parse_log_forward, NULL);
4187
Willy Tarreau082b6282019-05-22 14:42:12 +02004188REGISTER_PER_THREAD_ALLOC(init_log_buffers);
4189REGISTER_PER_THREAD_FREE(deinit_log_buffers);
Willy Tarreau172f5ce2018-11-26 11:21:50 +01004190
Willy Tarreaubaaee002006-06-26 02:48:02 +02004191/*
4192 * Local variables:
4193 * c-indent-level: 8
4194 * c-basic-offset: 8
4195 * End:
4196 */