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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * General logging functions.
3 *
Willy Tarreaub7f694f2008-06-22 17:18:02 +02004 * Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Willy Tarreau8a3f52f2012-12-20 21:23:42 +010013#include <ctype.h>
Willy Tarreauc8f24f82007-11-30 18:38:35 +010014#include <fcntl.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020015#include <stdarg.h>
16#include <stdio.h>
17#include <stdlib.h>
18#include <string.h>
19#include <syslog.h>
20#include <time.h>
21#include <unistd.h>
Robert Tsai81ae1952007-12-05 10:47:29 +010022#include <errno.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020023
24#include <sys/time.h>
Willy Tarreau077edcb2016-08-10 18:30:56 +020025#include <sys/uio.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020026
Willy Tarreaue3ba5f02006-06-29 18:54:54 +020027#include <common/config.h>
Willy Tarreaud6d06902009-08-19 11:22:33 +020028#include <common/compat.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020029#include <common/standard.h>
Willy Tarreaufb278672006-10-15 15:38:50 +020030#include <common/time.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020031
Christopher Fauletc1b730a2017-10-24 12:00:51 +020032#include <types/cli.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020033#include <types/global.h>
William Lallemand723b73a2012-02-08 16:37:49 +010034#include <types/log.h>
Willy Tarreauec6c5df2008-07-15 00:22:45 +020035
Christopher Fauletc1b730a2017-10-24 12:00:51 +020036#include <proto/applet.h>
37#include <proto/cli.h>
William Lallemand5f232402012-04-05 18:02:55 +020038#include <proto/frontend.h>
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +000039#include <proto/proto_http.h>
Willy Tarreauec6c5df2008-07-15 00:22:45 +020040#include <proto/log.h>
Willy Tarreauc8368452012-12-21 00:09:23 +010041#include <proto/sample.h>
Willy Tarreaufb0afa72015-04-03 14:46:27 +020042#include <proto/stream.h>
Willy Tarreau827aee92011-03-10 16:55:02 +010043#include <proto/stream_interface.h>
Willy Tarreau773d65f2012-10-12 14:56:11 +020044#ifdef USE_OPENSSL
45#include <proto/ssl_sock.h>
46#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +020047
Dragan Dosen43885c72015-10-01 13:18:13 +020048struct log_fmt {
49 char *name;
50 struct {
51 struct chunk sep1; /* first pid separator */
52 struct chunk sep2; /* second pid separator */
53 } pid;
54};
55
56static const struct log_fmt log_formats[LOG_FORMATS] = {
57 [LOG_FORMAT_RFC3164] = {
58 .name = "rfc3164",
59 .pid = {
60 .sep1 = { .str = "[", .len = 1 },
61 .sep2 = { .str = "]: ", .len = 3 }
62 }
63 },
64 [LOG_FORMAT_RFC5424] = {
65 .name = "rfc5424",
66 .pid = {
67 .sep1 = { .str = " ", .len = 1 },
68 .sep2 = { .str = " - ", .len = 3 }
69 }
70 }
Dragan Dosen1322d092015-09-22 16:05:32 +020071};
72
Dragan Dosen835b9212016-02-12 13:23:03 +010073#define FD_SETS_ARE_BITFIELDS
74#ifdef FD_SETS_ARE_BITFIELDS
75/*
76 * This map is used with all the FD_* macros to check whether a particular bit
77 * is set or not. Each bit represents an ACSII code. FD_SET() sets those bytes
78 * which should be escaped. When FD_ISSET() returns non-zero, it means that the
79 * byte should be escaped. Be careful to always pass bytes from 0 to 255
80 * exclusively to the macros.
81 */
82fd_set rfc5424_escape_map[(sizeof(fd_set) > (256/8)) ? 1 : ((256/8) / sizeof(fd_set))];
83
84#else
85#error "Check if your OS uses bitfields for fd_sets"
86#endif
87
Willy Tarreaubaaee002006-06-26 02:48:02 +020088const char *log_facilities[NB_LOG_FACILITIES] = {
89 "kern", "user", "mail", "daemon",
90 "auth", "syslog", "lpr", "news",
91 "uucp", "cron", "auth2", "ftp",
92 "ntp", "audit", "alert", "cron2",
93 "local0", "local1", "local2", "local3",
94 "local4", "local5", "local6", "local7"
95};
96
Willy Tarreaubaaee002006-06-26 02:48:02 +020097const char *log_levels[NB_LOG_LEVELS] = {
98 "emerg", "alert", "crit", "err",
99 "warning", "notice", "info", "debug"
100};
101
Willy Tarreau570f2212013-06-10 16:42:09 +0200102const 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 +0200103const char sess_fin_state[8] = "-RCHDLQT"; /* cliRequest, srvConnect, srvHeader, Data, Last, Queue, Tarpit */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200104
William Lallemand723b73a2012-02-08 16:37:49 +0100105
106/* log_format */
107struct logformat_type {
108 char *name;
109 int type;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100110 int mode;
William Lallemand5e19a282012-04-02 16:22:10 +0200111 int lw; /* logwait bitsfield */
William Lallemandb7ff6a32012-03-02 14:35:21 +0100112 int (*config_callback)(struct logformat_node *node, struct proxy *curproxy);
Willy Tarreau2beef582012-12-20 17:22:52 +0100113 const char *replace_by; /* new option to use instead of old one */
William Lallemand723b73a2012-02-08 16:37:49 +0100114};
115
William Lallemandb7ff6a32012-03-02 14:35:21 +0100116int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy);
117
William Lallemand723b73a2012-02-08 16:37:49 +0100118/* log_format variable names */
119static const struct logformat_type logformat_keywords[] = {
William Lallemand5e19a282012-04-02 16:22:10 +0200120 { "o", LOG_FMT_GLOBAL, PR_MODE_TCP, 0, NULL }, /* global option */
Willy Tarreau2beef582012-12-20 17:22:52 +0100121
122 /* please keep these lines sorted ! */
123 { "B", LOG_FMT_BYTES, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from server to client */
124 { "CC", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL }, /* client cookie */
125 { "CS", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL }, /* server cookie */
126 { "H", LOG_FMT_HOSTNAME, PR_MODE_TCP, LW_INIT, NULL }, /* Hostname */
127 { "ID", LOG_FMT_UNIQUEID, PR_MODE_HTTP, LW_BYTES, NULL }, /* Unique ID */
Willy Tarreau4bf99632014-06-13 12:21:40 +0200128 { "ST", LOG_FMT_STATUS, PR_MODE_TCP, LW_RESP, NULL }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200129 { "T", LOG_FMT_DATEGMT, PR_MODE_TCP, LW_INIT, NULL }, /* date GMT */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200130 { "Ta", LOG_FMT_Ta, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time active (tr to end) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100131 { "Tc", LOG_FMT_TC, PR_MODE_TCP, LW_BYTES, NULL }, /* Tc */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200132 { "Th", LOG_FMT_Th, PR_MODE_TCP, LW_BYTES, NULL }, /* Time handshake */
133 { "Ti", LOG_FMT_Ti, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time idle */
134 { "Tl", LOG_FMT_DATELOCAL, PR_MODE_TCP, LW_INIT, NULL }, /* date local timezone */
135 { "Tq", LOG_FMT_TQ, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tq=Th+Ti+TR */
136 { "Tr", LOG_FMT_Tr, PR_MODE_HTTP, LW_BYTES, NULL }, /* Tr */
137 { "TR", LOG_FMT_TR, PR_MODE_HTTP, LW_BYTES, NULL }, /* Time to receive a valid request */
Willy Tarreau27b639d2016-05-17 17:55:27 +0200138 { "Td", LOG_FMT_TD, PR_MODE_TCP, LW_BYTES, NULL }, /* Td = Tt - (Tq + Tw + Tc + Tr) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100139 { "Ts", LOG_FMT_TS, PR_MODE_TCP, LW_INIT, NULL }, /* timestamp GMT */
William Lallemand5e19a282012-04-02 16:22:10 +0200140 { "Tt", LOG_FMT_TT, PR_MODE_TCP, LW_BYTES, NULL }, /* Tt */
Willy Tarreau2beef582012-12-20 17:22:52 +0100141 { "Tw", LOG_FMT_TW, PR_MODE_TCP, LW_BYTES, NULL }, /* Tw */
142 { "U", LOG_FMT_BYTES_UP, PR_MODE_TCP, LW_BYTES, NULL }, /* bytes from client to server */
William Lallemand5e19a282012-04-02 16:22:10 +0200143 { "ac", LOG_FMT_ACTCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* actconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100144 { "b", LOG_FMT_BACKEND, PR_MODE_TCP, LW_INIT, NULL }, /* backend */
William Lallemand5e19a282012-04-02 16:22:10 +0200145 { "bc", LOG_FMT_BECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* beconn */
Willy Tarreau2beef582012-12-20 17:22:52 +0100146 { "bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source ip */
147 { "bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource }, /* backend source port */
William Lallemand5e19a282012-04-02 16:22:10 +0200148 { "bq", LOG_FMT_BCKQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* backend_queue */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200149 { "ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client ip */
150 { "cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL }, /* client port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100151 { "f", LOG_FMT_FRONTEND, PR_MODE_TCP, LW_INIT, NULL }, /* frontend */
152 { "fc", LOG_FMT_FECONN, PR_MODE_TCP, LW_BYTES, NULL }, /* feconn */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200153 { "fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend ip */
154 { "fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100155 { "ft", LOG_FMT_FRONTEND_XPRT, PR_MODE_TCP, LW_INIT, NULL }, /* frontend with transport mode */
Willy Tarreaud9ed3d22014-06-13 12:23:06 +0200156 { "hr", LOG_FMT_HDRREQUEST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request */
157 { "hrl", LOG_FMT_HDRREQUESTLIST, PR_MODE_TCP, LW_REQHDR, NULL }, /* header request list */
158 { "hs", LOG_FMT_HDRRESPONS, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response */
159 { "hsl", LOG_FMT_HDRRESPONSLIST, PR_MODE_TCP, LW_RSPHDR, NULL }, /* header response list */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000160 { "HM", LOG_FMT_HTTP_METHOD, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP method */
161 { "HP", LOG_FMT_HTTP_PATH, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP path */
Andrew Hayworthe63ac872015-07-31 16:14:16 +0000162 { "HQ", LOG_FMT_HTTP_QUERY, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP query */
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +0000163 { "HU", LOG_FMT_HTTP_URI, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP full URI */
164 { "HV", LOG_FMT_HTTP_VERSION, PR_MODE_HTTP, LW_REQ, NULL }, /* HTTP version */
Willy Tarreau7346acb2014-08-28 15:03:15 +0200165 { "lc", LOG_FMT_LOGCNT, PR_MODE_TCP, LW_INIT, NULL }, /* log counter */
Willy Tarreau2beef582012-12-20 17:22:52 +0100166 { "ms", LOG_FMT_MS, PR_MODE_TCP, LW_INIT, NULL }, /* accept date millisecond */
William Lallemand5e19a282012-04-02 16:22:10 +0200167 { "pid", LOG_FMT_PID, PR_MODE_TCP, LW_INIT, NULL }, /* log pid */
Willy Tarreau2beef582012-12-20 17:22:52 +0100168 { "r", LOG_FMT_REQ, PR_MODE_HTTP, LW_REQ, NULL }, /* request */
169 { "rc", LOG_FMT_RETRIES, PR_MODE_TCP, LW_BYTES, NULL }, /* retries */
Willy Tarreau1f0da242014-01-25 11:01:50 +0100170 { "rt", LOG_FMT_COUNTER, PR_MODE_TCP, LW_REQ, NULL }, /* request counter (HTTP or TCP session) */
Willy Tarreau2beef582012-12-20 17:22:52 +0100171 { "s", LOG_FMT_SERVER, PR_MODE_TCP, LW_SVID, NULL }, /* server */
172 { "sc", LOG_FMT_SRVCONN, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_conn */
173 { "si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination ip */
174 { "sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL }, /* server destination port */
175 { "sq", LOG_FMT_SRVQUEUE, PR_MODE_TCP, LW_BYTES, NULL }, /* srv_queue */
Willy Tarreauffc3fcd2012-10-12 20:17:54 +0200176 { "sslc", LOG_FMT_SSL_CIPHER, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL ciphers */
177 { "sslv", LOG_FMT_SSL_VERSION, PR_MODE_TCP, LW_XPRT, NULL }, /* client-side SSL protocol version */
Willy Tarreau2beef582012-12-20 17:22:52 +0100178 { "t", LOG_FMT_DATE, PR_MODE_TCP, LW_INIT, NULL }, /* date */
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200179 { "tr", LOG_FMT_tr, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request */
180 { "trg",LOG_FMT_trg, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, GMT */
181 { "trl",LOG_FMT_trl, PR_MODE_HTTP, LW_INIT, NULL }, /* date of start of request, local */
Willy Tarreau2beef582012-12-20 17:22:52 +0100182 { "ts", LOG_FMT_TERMSTATE, PR_MODE_TCP, LW_BYTES, NULL },/* termination state */
183 { "tsc", LOG_FMT_TERMSTATE_CK, PR_MODE_TCP, LW_INIT, NULL },/* termination state */
184
185 /* The following tags are deprecated and will be removed soon */
186 { "Bi", LOG_FMT_BACKENDIP, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bi" }, /* backend source ip */
187 { "Bp", LOG_FMT_BACKENDPORT, PR_MODE_TCP, LW_BCKIP, prepare_addrsource, "bp" }, /* backend source port */
Willy Tarreaud02286d2017-06-23 11:23:43 +0200188 { "Ci", LOG_FMT_CLIENTIP, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "ci" }, /* client ip */
189 { "Cp", LOG_FMT_CLIENTPORT, PR_MODE_TCP, LW_CLIP | LW_XPRT, NULL, "cp" }, /* client port */
190 { "Fi", LOG_FMT_FRONTENDIP, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fi" }, /* frontend ip */
191 { "Fp", LOG_FMT_FRONTENDPORT, PR_MODE_TCP, LW_FRTIP | LW_XPRT, NULL, "fp" }, /* frontend port */
Willy Tarreau2beef582012-12-20 17:22:52 +0100192 { "Si", LOG_FMT_SERVERIP, PR_MODE_TCP, LW_SVIP, NULL, "si" }, /* server destination ip */
193 { "Sp", LOG_FMT_SERVERPORT, PR_MODE_TCP, LW_SVIP, NULL, "sp" }, /* server destination port */
194 { "cc", LOG_FMT_CCLIENT, PR_MODE_HTTP, LW_REQHDR, NULL, "CC" }, /* client cookie */
195 { "cs", LOG_FMT_CSERVER, PR_MODE_HTTP, LW_RSPHDR, NULL, "CS" }, /* server cookie */
196 { "st", LOG_FMT_STATUS, PR_MODE_HTTP, LW_RESP, NULL, "ST" }, /* status code */
William Lallemand5e19a282012-04-02 16:22:10 +0200197 { 0, 0, 0, 0, NULL }
William Lallemand723b73a2012-02-08 16:37:49 +0100198};
199
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +0200200char 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
201char 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 +0100202char 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 +0100203char *log_format = NULL;
204
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200205/* Default string used for structured-data part in RFC5424 formatted
206 * syslog messages.
207 */
208char default_rfc5424_sd_log_format[] = "- ";
Dragan Dosen1322d092015-09-22 16:05:32 +0200209
210/* This is a global syslog header, common to all outgoing messages in
211 * RFC3164 format. It begins with time-based part and is updated by
212 * update_log_hdr().
Dragan Dosen59cee972015-09-19 22:09:02 +0200213 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200214THREAD_LOCAL char *logheader = NULL;
Dragan Dosen59cee972015-09-19 22:09:02 +0200215
Dragan Dosen1322d092015-09-22 16:05:32 +0200216/* This is a global syslog header for messages in RFC5424 format. It is
217 * updated by update_log_hdr_rfc5424().
218 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200219THREAD_LOCAL char *logheader_rfc5424 = NULL;
Dragan Dosen1322d092015-09-22 16:05:32 +0200220
Dragan Dosen59cee972015-09-19 22:09:02 +0200221/* This is a global syslog message buffer, common to all outgoing
222 * messages. It contains only the data part.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100223 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200224THREAD_LOCAL char *logline = NULL;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100225
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200226/* A global syslog message buffer, common to all RFC5424 syslog messages.
227 * Currently, it is used for generating the structured-data part.
228 */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200229THREAD_LOCAL char *logline_rfc5424 = NULL;
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200230
Christopher Fauletd4696382017-10-24 11:44:05 +0200231/* A global buffer used to store all startup alerts/warnings. It will then be
232 * retrieve on the CLI. */
Christopher Fauletf8188c62017-06-02 16:20:16 +0200233static THREAD_LOCAL char *startup_logs = NULL;
Christopher Fauletd4696382017-10-24 11:44:05 +0200234
William Lallemand723b73a2012-02-08 16:37:49 +0100235struct logformat_var_args {
236 char *name;
237 int mask;
238};
239
240struct logformat_var_args var_args_list[] = {
241// global
242 { "M", LOG_OPT_MANDATORY },
243 { "Q", LOG_OPT_QUOTE },
William Lallemand5f232402012-04-05 18:02:55 +0200244 { "X", LOG_OPT_HEXA },
Dragan Dosen835b9212016-02-12 13:23:03 +0100245 { "E", LOG_OPT_ESC },
William Lallemand723b73a2012-02-08 16:37:49 +0100246 { 0, 0 }
247};
248
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200249/* return the name of the directive used in the current proxy for which we're
250 * currently parsing a header, when it is known.
251 */
252static inline const char *fmt_directive(const struct proxy *curproxy)
253{
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100254 switch (curproxy->conf.args.ctx) {
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200255 case ARGC_ACL:
256 return "acl";
257 case ARGC_STK:
258 return "stick";
259 case ARGC_TRK:
260 return "track-sc";
261 case ARGC_LOG:
262 return "log-format";
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200263 case ARGC_LOGSD:
264 return "log-format-sd";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100265 case ARGC_HRQ:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100266 return "http-request";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100267 case ARGC_HRS:
Thierry FOURNIER1c0054f2013-11-20 15:09:52 +0100268 return "http-response";
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200269 case ARGC_UIF:
270 return "unique-id-format";
Thierry FOURNIERd18cd0f2013-11-29 12:15:45 +0100271 case ARGC_RDR:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200272 return "redirect";
273 case ARGC_CAP:
274 return "capture";
Willy Tarreau28d976d2015-07-09 11:39:33 +0200275 case ARGC_SRV:
276 return "server";
Christopher Fauletf7e4e7e2016-10-27 22:29:49 +0200277 case ARGC_SPOE:
278 return "spoe-message";
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +0100279 case ARGC_UBK:
280 return "use_backend";
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100281 default:
Willy Tarreau53e1a6d2015-07-09 11:20:00 +0200282 return "undefined(please report this bug)"; /* must never happen */
Willy Tarreaubf0addb2013-12-02 12:24:54 +0100283 }
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200284}
285
William Lallemand723b73a2012-02-08 16:37:49 +0100286/*
William Lallemandb7ff6a32012-03-02 14:35:21 +0100287 * callback used to configure addr source retrieval
288 */
289int prepare_addrsource(struct logformat_node *node, struct proxy *curproxy)
290{
291 curproxy->options2 |= PR_O2_SRC_ADDR;
292
293 return 0;
294}
295
296
297/*
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100298 * Parse args in a logformat_var. Returns 0 in error
299 * case, otherwise, it returns 1.
William Lallemand723b73a2012-02-08 16:37:49 +0100300 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100301int parse_logformat_var_args(char *args, struct logformat_node *node, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100302{
303 int i = 0;
304 int end = 0;
305 int flags = 0; // 1 = + 2 = -
306 char *sp = NULL; // start pointer
307
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100308 if (args == NULL) {
309 memprintf(err, "internal error: parse_logformat_var_args() expects non null 'args'");
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100310 return 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100311 }
William Lallemand723b73a2012-02-08 16:37:49 +0100312
313 while (1) {
314 if (*args == '\0')
315 end = 1;
316
317 if (*args == '+') {
318 // add flag
319 sp = args + 1;
320 flags = 1;
321 }
322 if (*args == '-') {
323 // delete flag
324 sp = args + 1;
325 flags = 2;
326 }
327
328 if (*args == '\0' || *args == ',') {
329 *args = '\0';
Willy Tarreau254d44c2012-12-20 18:19:26 +0100330 for (i = 0; sp && var_args_list[i].name; i++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100331 if (strcmp(sp, var_args_list[i].name) == 0) {
332 if (flags == 1) {
333 node->options |= var_args_list[i].mask;
334 break;
335 } else if (flags == 2) {
336 node->options &= ~var_args_list[i].mask;
337 break;
338 }
339 }
340 }
341 sp = NULL;
342 if (end)
343 break;
344 }
Willy Tarreau254d44c2012-12-20 18:19:26 +0100345 args++;
William Lallemand723b73a2012-02-08 16:37:49 +0100346 }
Thierry FOURNIER / OZON.IObca46f02016-11-22 23:13:04 +0100347 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100348}
349
350/*
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100351 * Parse a variable '%varname' or '%{args}varname' in log-format. The caller
352 * must pass the args part in the <arg> pointer with its length in <arg_len>,
353 * and varname with its length in <var> and <var_len> respectively. <arg> is
354 * ignored when arg_len is 0. Neither <var> nor <var_len> may be null.
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100355 * Returns false in error case and err is filled, otherwise returns true.
William Lallemand723b73a2012-02-08 16:37:49 +0100356 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100357int 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 +0100358{
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100359 int j;
360 struct logformat_node *node;
William Lallemand723b73a2012-02-08 16:37:49 +0100361
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100362 for (j = 0; logformat_keywords[j].name; j++) { // search a log type
363 if (strlen(logformat_keywords[j].name) == var_len &&
364 strncmp(var, logformat_keywords[j].name, var_len) == 0) {
365 if (logformat_keywords[j].mode != PR_MODE_HTTP || curproxy->mode == PR_MODE_HTTP) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200366 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100367 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100368 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100369 return 0;
370 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100371 node->type = logformat_keywords[j].type;
372 node->options = *defoptions;
373 if (arg_len) {
374 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100375 if (!parse_logformat_var_args(node->arg, node, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100376 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100377 }
378 if (node->type == LOG_FMT_GLOBAL) {
379 *defoptions = node->options;
380 free(node->arg);
381 free(node);
382 } else {
383 if (logformat_keywords[j].config_callback &&
384 logformat_keywords[j].config_callback(node, curproxy) != 0) {
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100385 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100386 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100387 curproxy->to_log |= logformat_keywords[j].lw;
388 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100389 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100390 if (logformat_keywords[j].replace_by)
Willy Tarreau06d97f92013-12-02 17:45:48 +0100391 Warning("parsing [%s:%d] : deprecated variable '%s' in '%s', please replace it with '%s'.\n",
Willy Tarreaub1f3af22013-04-12 18:30:32 +0200392 curproxy->conf.args.file, curproxy->conf.args.line,
393 logformat_keywords[j].name, fmt_directive(curproxy), logformat_keywords[j].replace_by);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100394 return 1;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100395 } else {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100396 memprintf(err, "format variable '%s' is reserved for HTTP mode",
397 logformat_keywords[j].name);
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100398 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100399 }
William Lallemand723b73a2012-02-08 16:37:49 +0100400 }
401 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100402
403 j = var[var_len];
404 var[var_len] = 0;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100405 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 +0100406 var[var_len] = j;
Thierry FOURNIER / OZON.IOeca4d952016-11-22 22:06:04 +0100407 return 0;
William Lallemand723b73a2012-02-08 16:37:49 +0100408}
409
410/*
411 * push to the logformat linked list
412 *
413 * start: start pointer
414 * end: end text pointer
415 * type: string type
William Lallemand1d705562012-03-12 12:46:41 +0100416 * list_format: destination list
William Lallemand723b73a2012-02-08 16:37:49 +0100417 *
418 * LOG_TEXT: copy chars from start to end excluding end.
419 *
420*/
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100421int add_to_logformat_list(char *start, char *end, int type, struct list *list_format, char **err)
William Lallemand723b73a2012-02-08 16:37:49 +0100422{
423 char *str;
424
Willy Tarreaua3571662012-12-20 21:59:12 +0100425 if (type == LF_TEXT) { /* type text */
Vincent Bernat02779b62016-04-03 13:48:43 +0200426 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100427 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100428 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100429 return 0;
430 }
Vincent Bernat02779b62016-04-03 13:48:43 +0200431 str = calloc(1, end - start + 1);
William Lallemand723b73a2012-02-08 16:37:49 +0100432 strncpy(str, start, end - start);
William Lallemand723b73a2012-02-08 16:37:49 +0100433 str[end - start] = '\0';
434 node->arg = str;
William Lallemand1d705562012-03-12 12:46:41 +0100435 node->type = LOG_FMT_TEXT; // type string
436 LIST_ADDQ(list_format, &node->list);
Willy Tarreaua3571662012-12-20 21:59:12 +0100437 } else if (type == LF_SEPARATOR) {
Vincent Bernat02779b62016-04-03 13:48:43 +0200438 struct logformat_node *node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100439 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100440 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100441 return 0;
442 }
William Lallemand1d705562012-03-12 12:46:41 +0100443 node->type = LOG_FMT_SEPARATOR;
444 LIST_ADDQ(list_format, &node->list);
William Lallemand723b73a2012-02-08 16:37:49 +0100445 }
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100446 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100447}
448
449/*
Willy Tarreauc8368452012-12-21 00:09:23 +0100450 * Parse the sample fetch expression <text> and add a node to <list_format> upon
451 * success. At the moment, sample converters are not yet supported but fetch arguments
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200452 * should work. The curpx->conf.args.ctx must be set by the caller.
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100453 *
454 * In error case, the function returns 0, otherwise it returns 1.
Willy Tarreauc8368452012-12-21 00:09:23 +0100455 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100456int add_sample_to_logformat_list(char *text, char *arg, int arg_len, struct proxy *curpx, struct list *list_format, int options, int cap, char **err)
Willy Tarreauc8368452012-12-21 00:09:23 +0100457{
458 char *cmd[2];
459 struct sample_expr *expr;
460 struct logformat_node *node;
461 int cmd_arg;
462
463 cmd[0] = text;
464 cmd[1] = "";
465 cmd_arg = 0;
466
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100467 expr = sample_parse_expr(cmd, &cmd_arg, curpx->conf.args.file, curpx->conf.args.line, err, &curpx->conf.args);
Willy Tarreauc8368452012-12-21 00:09:23 +0100468 if (!expr) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100469 memprintf(err, "failed to parse sample expression <%s> : %s", text, *err);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100470 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100471 }
472
Vincent Bernat02779b62016-04-03 13:48:43 +0200473 node = calloc(1, sizeof(*node));
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100474 if (!node) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100475 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100476 return 0;
477 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100478 node->type = LOG_FMT_EXPR;
479 node->expr = expr;
480 node->options = options;
481
482 if (arg_len) {
483 node->arg = my_strndup(arg, arg_len);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100484 if (!parse_logformat_var_args(node->arg, node, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100485 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100486 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100487 if (expr->fetch->val & cap & SMP_VAL_REQUEST)
Willy Tarreauc8368452012-12-21 00:09:23 +0100488 node->options |= LOG_OPT_REQ_CAP; /* fetch method is request-compatible */
489
Willy Tarreau434c57c2013-01-08 01:10:24 +0100490 if (expr->fetch->val & cap & SMP_VAL_RESPONSE)
Willy Tarreauc8368452012-12-21 00:09:23 +0100491 node->options |= LOG_OPT_RES_CAP; /* fetch method is response-compatible */
492
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100493 if (!(expr->fetch->val & cap)) {
David Carlier93e8b882017-09-21 14:36:43 +0000494 free(node);
495 node = NULL;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100496 memprintf(err, "sample fetch <%s> may not be reliably used here because it needs '%s' which is not available here",
497 text, sample_src_names(expr->fetch->use));
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100498 return 0;
499 }
Willy Tarreau434c57c2013-01-08 01:10:24 +0100500
Willy Tarreauc8368452012-12-21 00:09:23 +0100501 /* check if we need to allocate an hdr_idx struct for HTTP parsing */
502 /* Note, we may also need to set curpx->to_log with certain fetches */
Willy Tarreau25320b22013-03-24 07:22:08 +0100503 curpx->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);
Willy Tarreauc8368452012-12-21 00:09:23 +0100504
William Lallemand65ad6e12014-01-31 15:08:02 +0100505 /* FIXME: temporary workaround for missing LW_XPRT and LW_REQ flags
506 * needed with some sample fetches (eg: ssl*). We always set it for
507 * now on, but this will leave with sample capabilities soon.
Willy Tarreau1f31c732013-01-10 16:22:27 +0100508 */
509 curpx->to_log |= LW_XPRT;
William Lallemand65ad6e12014-01-31 15:08:02 +0100510 curpx->to_log |= LW_REQ;
Willy Tarreauc8368452012-12-21 00:09:23 +0100511 LIST_ADDQ(list_format, &node->list);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100512 return 1;
Willy Tarreauc8368452012-12-21 00:09:23 +0100513}
514
515/*
William Lallemand723b73a2012-02-08 16:37:49 +0100516 * Parse the log_format string and fill a linked list.
517 * Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
Willy Tarreaua4312fa2013-04-02 16:34:32 +0200518 * You can set arguments using { } : %{many arguments}varname.
519 * The curproxy->conf.args.ctx must be set by the caller.
William Lallemand1d705562012-03-12 12:46:41 +0100520 *
521 * str: the string to parse
522 * curproxy: the proxy affected
523 * list_format: the destination list
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100524 * options: LOG_OPT_* to force on every node
Willy Tarreau434c57c2013-01-08 01:10:24 +0100525 * cap: all SMP_VAL_* flags supported by the consumer
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100526 *
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100527 * The function returns 1 in success case, otherwise, it returns 0 and err is filled.
William Lallemand723b73a2012-02-08 16:37:49 +0100528 */
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100529int 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 +0100530{
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100531 char *sp, *str, *backfmt; /* start pointer for text parts */
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100532 char *arg = NULL; /* start pointer for args */
533 char *var = NULL; /* start pointer for vars */
534 int arg_len = 0;
535 int var_len = 0;
536 int cformat; /* current token format */
537 int pformat; /* previous token format */
William Lallemand723b73a2012-02-08 16:37:49 +0100538 struct logformat_node *tmplf, *back;
539
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100540 sp = str = backfmt = strdup(fmt);
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100541 if (!str) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100542 memprintf(err, "out of memory error");
Thierry FOURNIER / OZON.IO9cbfef22016-11-22 23:24:10 +0100543 return 0;
544 }
William Lallemand1dc00ef2012-08-09 16:41:35 +0200545 curproxy->to_log |= LW_INIT;
William Lallemand5e19a282012-04-02 16:22:10 +0200546
William Lallemand723b73a2012-02-08 16:37:49 +0100547 /* flush the list first. */
William Lallemand1d705562012-03-12 12:46:41 +0100548 list_for_each_entry_safe(tmplf, back, list_format, list) {
William Lallemand723b73a2012-02-08 16:37:49 +0100549 LIST_DEL(&tmplf->list);
550 free(tmplf);
551 }
552
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100553 for (cformat = LF_INIT; cformat != LF_END; str++) {
William Lallemand723b73a2012-02-08 16:37:49 +0100554 pformat = cformat;
555
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100556 if (!*str)
557 cformat = LF_END; // preset it to save all states from doing this
William Lallemand723b73a2012-02-08 16:37:49 +0100558
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100559 /* The prinicple of the two-step state machine below is to first detect a change, and
560 * second have all common paths processed at one place. The common paths are the ones
561 * encountered in text areas (LF_INIT, LF_TEXT, LF_SEPARATOR) and at the end (LF_END).
562 * We use the common LF_INIT state to dispatch to the different final states.
563 */
564 switch (pformat) {
565 case LF_STARTVAR: // text immediately following a '%'
Willy Tarreauc8368452012-12-21 00:09:23 +0100566 arg = NULL; var = NULL;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100567 arg_len = var_len = 0;
568 if (*str == '{') { // optional argument
569 cformat = LF_STARG;
570 arg = str + 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100571 }
Willy Tarreauc8368452012-12-21 00:09:23 +0100572 else if (*str == '[') {
573 cformat = LF_STEXPR;
574 var = str + 1; // store expr in variable name
575 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100576 else if (isalpha((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100577 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100578 var = str;
William Lallemand723b73a2012-02-08 16:37:49 +0100579 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100580 else if (*str == '%')
581 cformat = LF_TEXT; // convert this character to a litteral (useful for '%')
Willy Tarreau0f28f822013-12-16 01:38:33 +0100582 else if (isdigit((unsigned char)*str) || *str == ' ' || *str == '\t') {
Willy Tarreau06d97f92013-12-02 17:45:48 +0100583 /* single '%' followed by blank or digit, send them both */
584 cformat = LF_TEXT;
585 pformat = LF_TEXT; /* finally we include the previous char as well */
586 sp = str - 1; /* send both the '%' and the current char */
Jim Freemana2278c82017-04-15 08:01:59 -0600587 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 +0100588 *str, (int)(str - backfmt), fmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100589 return 0;
Willy Tarreau06d97f92013-12-02 17:45:48 +0100590
591 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100592 else
593 cformat = LF_INIT; // handle other cases of litterals
594 break;
595
596 case LF_STARG: // text immediately following '%{'
597 if (*str == '}') { // end of arg
William Lallemand723b73a2012-02-08 16:37:49 +0100598 cformat = LF_EDARG;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100599 arg_len = str - arg;
600 *str = 0; // used for reporting errors
William Lallemand723b73a2012-02-08 16:37:49 +0100601 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100602 break;
603
604 case LF_EDARG: // text immediately following '%{arg}'
Willy Tarreauc8368452012-12-21 00:09:23 +0100605 if (*str == '[') {
606 cformat = LF_STEXPR;
607 var = str + 1; // store expr in variable name
608 break;
609 }
Willy Tarreau0f28f822013-12-16 01:38:33 +0100610 else if (isalnum((unsigned char)*str)) { // variable name
William Lallemand723b73a2012-02-08 16:37:49 +0100611 cformat = LF_VAR;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100612 var = str;
613 break;
614 }
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100615 memprintf(err, "parse argument modifier without variable name near '%%{%s}'", arg);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100616 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100617
Willy Tarreauc8368452012-12-21 00:09:23 +0100618 case LF_STEXPR: // text immediately following '%['
619 if (*str == ']') { // end of arg
620 cformat = LF_EDEXPR;
621 var_len = str - var;
622 *str = 0; // needed for parsing the expression
623 }
624 break;
625
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100626 case LF_VAR: // text part of a variable name
627 var_len = str - var;
Willy Tarreau0f28f822013-12-16 01:38:33 +0100628 if (!isalnum((unsigned char)*str))
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100629 cformat = LF_INIT; // not variable name anymore
630 break;
631
Willy Tarreauc8368452012-12-21 00:09:23 +0100632 default: // LF_INIT, LF_TEXT, LF_SEPARATOR, LF_END, LF_EDEXPR
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100633 cformat = LF_INIT;
634 }
635
636 if (cformat == LF_INIT) { /* resynchronize state to text/sep/startvar */
637 switch (*str) {
638 case '%': cformat = LF_STARTVAR; break;
639 case ' ': cformat = LF_SEPARATOR; break;
640 case 0 : cformat = LF_END; break;
641 default : cformat = LF_TEXT; break;
William Lallemand723b73a2012-02-08 16:37:49 +0100642 }
643 }
644
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100645 if (cformat != pformat || pformat == LF_SEPARATOR) {
646 switch (pformat) {
647 case LF_VAR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100648 if (!parse_logformat_var(arg, arg_len, var, var_len, curproxy, list_format, &options, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100649 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100650 break;
Willy Tarreauc8368452012-12-21 00:09:23 +0100651 case LF_STEXPR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100652 if (!add_sample_to_logformat_list(var, arg, arg_len, curproxy, list_format, options, cap, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100653 return 0;
Willy Tarreauc8368452012-12-21 00:09:23 +0100654 break;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100655 case LF_TEXT:
656 case LF_SEPARATOR:
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100657 if (!add_to_logformat_list(sp, str, pformat, list_format, err))
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100658 return 0;
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100659 break;
660 }
661 sp = str; /* new start of text at every state switch and at every separator */
William Lallemand723b73a2012-02-08 16:37:49 +0100662 }
663 }
Willy Tarreau8a3f52f2012-12-20 21:23:42 +0100664
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100665 if (pformat == LF_STARTVAR || pformat == LF_STARG || pformat == LF_STEXPR) {
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +0100666 memprintf(err, "truncated line after '%s'", var ? var : arg ? arg : "%");
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100667 return 0;
668 }
Willy Tarreaub83bc1e2012-12-24 12:36:33 +0100669 free(backfmt);
Thierry FOURNIER / OZON.IOa2c38d72016-11-22 23:11:21 +0100670
671 return 1;
William Lallemand723b73a2012-02-08 16:37:49 +0100672}
673
Christopher Fauletd4696382017-10-24 11:44:05 +0200674/* Generic function to display messages prefixed by a label */
675static void print_message(const char *label, const char *fmt, va_list argp)
676{
677 struct tm tm;
678 char *head, *msg;
679
680 head = msg = NULL;
681
682 get_localtime(date.tv_sec, &tm);
683 memprintf(&head, "[%s] %03d/%02d%02d%02d (%d) : ",
684 label, tm.tm_yday, tm.tm_hour, tm.tm_min, tm.tm_sec, (int)getpid());
685 memvprintf(&msg, fmt, argp);
686
687 if (global.mode & MODE_STARTING)
688 memprintf(&startup_logs, "%s%s%s", (startup_logs ? startup_logs : ""), head, msg);
689
690 fprintf(stderr, "%s%s", head, msg);
691 fflush(stderr);
692
693 free(head);
694 free(msg);
695}
696
Willy Tarreaubaaee002006-06-26 02:48:02 +0200697/*
698 * Displays the message on stderr with the date and pid. Overrides the quiet
699 * mode during startup.
700 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200701void Alert(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200702{
703 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200704
705 if (!(global.mode & MODE_QUIET) || (global.mode & (MODE_VERBOSE | MODE_STARTING))) {
706 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +0200707 print_message("ALERT", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200708 va_end(argp);
709 }
710}
711
712
713/*
714 * Displays the message on stderr with the date and pid.
715 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200716void Warning(const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200717{
718 va_list argp;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200719
720 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
721 va_start(argp, fmt);
Christopher Fauletd4696382017-10-24 11:44:05 +0200722 print_message("WARNING", fmt, argp);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200723 va_end(argp);
724 }
725}
726
727/*
728 * Displays the message on <out> only if quiet mode is not set.
729 */
Willy Tarreaub17916e2006-10-15 15:17:57 +0200730void qfprintf(FILE *out, const char *fmt, ...)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200731{
732 va_list argp;
733
734 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
735 va_start(argp, fmt);
736 vfprintf(out, fmt, argp);
737 fflush(out);
738 va_end(argp);
739 }
740}
741
742/*
Dragan Dosen1322d092015-09-22 16:05:32 +0200743 * returns log format for <fmt> or -1 if not found.
744 */
745int get_log_format(const char *fmt)
746{
747 int format;
748
749 format = LOG_FORMATS - 1;
Dragan Dosen43885c72015-10-01 13:18:13 +0200750 while (format >= 0 && strcmp(log_formats[format].name, fmt))
Dragan Dosen1322d092015-09-22 16:05:32 +0200751 format--;
752
753 return format;
754}
755
756/*
Willy Tarreaubaaee002006-06-26 02:48:02 +0200757 * returns log level for <lev> or -1 if not found.
758 */
759int get_log_level(const char *lev)
760{
761 int level;
762
763 level = NB_LOG_LEVELS - 1;
764 while (level >= 0 && strcmp(log_levels[level], lev))
765 level--;
766
767 return level;
768}
769
Willy Tarreaubaaee002006-06-26 02:48:02 +0200770/*
771 * returns log facility for <fac> or -1 if not found.
772 */
773int get_log_facility(const char *fac)
774{
775 int facility;
776
777 facility = NB_LOG_FACILITIES - 1;
778 while (facility >= 0 && strcmp(log_facilities[facility], fac))
779 facility--;
William Lallemand2a4a44f2012-02-06 16:00:33 +0100780
Willy Tarreaubaaee002006-06-26 02:48:02 +0200781 return facility;
782}
783
William Lallemanda1cc3812012-02-08 16:38:44 +0100784/*
Dragan Dosen835b9212016-02-12 13:23:03 +0100785 * Encode the string.
786 *
787 * When using the +E log format option, it will try to escape '"\]'
788 * characters with '\' as prefix. The same prefix should not be used as
789 * <escape>.
790 */
791static char *lf_encode_string(char *start, char *stop,
792 const char escape, const fd_set *map,
793 const char *string,
794 struct logformat_node *node)
795{
796 if (node->options & LOG_OPT_ESC) {
797 if (start < stop) {
798 stop--; /* reserve one byte for the final '\0' */
799 while (start < stop && *string != '\0') {
800 if (!FD_ISSET((unsigned char)(*string), map)) {
801 if (!FD_ISSET((unsigned char)(*string), rfc5424_escape_map))
802 *start++ = *string;
803 else {
804 if (start + 2 >= stop)
805 break;
806 *start++ = '\\';
807 *start++ = *string;
808 }
809 }
810 else {
811 if (start + 3 >= stop)
812 break;
813 *start++ = escape;
814 *start++ = hextab[(*string >> 4) & 15];
815 *start++ = hextab[*string & 15];
816 }
817 string++;
818 }
819 *start = '\0';
820 }
821 }
822 else {
823 return encode_string(start, stop, escape, map, string);
824 }
825
826 return start;
827}
828
829/*
830 * Encode the chunk.
831 *
832 * When using the +E log format option, it will try to escape '"\]'
833 * characters with '\' as prefix. The same prefix should not be used as
834 * <escape>.
835 */
836static char *lf_encode_chunk(char *start, char *stop,
837 const char escape, const fd_set *map,
838 const struct chunk *chunk,
839 struct logformat_node *node)
840{
841 char *str, *end;
842
843 if (node->options & LOG_OPT_ESC) {
844 if (start < stop) {
845 str = chunk->str;
846 end = chunk->str + chunk->len;
847
848 stop--; /* reserve one byte for the final '\0' */
849 while (start < stop && str < end) {
850 if (!FD_ISSET((unsigned char)(*str), map)) {
851 if (!FD_ISSET((unsigned char)(*str), rfc5424_escape_map))
852 *start++ = *str;
853 else {
854 if (start + 2 >= stop)
855 break;
856 *start++ = '\\';
857 *start++ = *str;
858 }
859 }
860 else {
861 if (start + 3 >= stop)
862 break;
863 *start++ = escape;
864 *start++ = hextab[(*str >> 4) & 15];
865 *start++ = hextab[*str & 15];
866 }
867 str++;
868 }
869 *start = '\0';
870 }
871 }
872 else {
873 return encode_chunk(start, stop, escape, map, chunk);
874 }
875
876 return start;
877}
878
879/*
William Lallemanda1cc3812012-02-08 16:38:44 +0100880 * Write a string in the log string
Dragan Dosen835b9212016-02-12 13:23:03 +0100881 * Take cares of quote and escape options
William Lallemanda1cc3812012-02-08 16:38:44 +0100882 *
883 * Return the adress of the \0 character, or NULL on error
884 */
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100885char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct logformat_node *node)
William Lallemanda1cc3812012-02-08 16:38:44 +0100886{
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100887 if (size < 2)
888 return NULL;
William Lallemanda1cc3812012-02-08 16:38:44 +0100889
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100890 if (node->options & LOG_OPT_QUOTE) {
891 *(dst++) = '"';
892 size--;
William Lallemandbddd4fd2012-02-27 11:23:10 +0100893 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100894
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100895 if (src && len) {
Dragan Dosendb1b6f92016-07-25 11:35:02 +0200896 if (++len > size)
897 len = size;
Dragan Dosen835b9212016-02-12 13:23:03 +0100898 if (node->options & LOG_OPT_ESC) {
Dragan Dosen835b9212016-02-12 13:23:03 +0100899 char *ret;
900
Dragan Dosendb1b6f92016-07-25 11:35:02 +0200901 ret = escape_string(dst, dst + len, '\\', rfc5424_escape_map, src);
Dragan Dosen835b9212016-02-12 13:23:03 +0100902 if (ret == NULL || *ret != '\0')
903 return NULL;
904 len = ret - dst;
905 }
906 else {
Dragan Dosen835b9212016-02-12 13:23:03 +0100907 len = strlcpy2(dst, src, len);
908 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100909
910 size -= len;
911 dst += len;
912 }
Willy Tarreau6cbbdbf2013-02-05 18:52:25 +0100913 else if ((node->options & (LOG_OPT_QUOTE|LOG_OPT_MANDATORY)) == LOG_OPT_MANDATORY) {
914 if (size < 2)
915 return NULL;
916 *(dst++) = '-';
917 }
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100918
919 if (node->options & LOG_OPT_QUOTE) {
920 if (size < 2)
921 return NULL;
922 *(dst++) = '"';
923 }
924
925 *dst = '\0';
William Lallemandbddd4fd2012-02-27 11:23:10 +0100926 return dst;
William Lallemanda1cc3812012-02-08 16:38:44 +0100927}
928
Willy Tarreau2b0108a2012-12-21 19:23:44 +0100929static inline char *lf_text(char *dst, const char *src, size_t size, struct logformat_node *node)
930{
931 return lf_text_len(dst, src, size, size, node);
932}
933
William Lallemand5f232402012-04-05 18:02:55 +0200934/*
935 * Write a IP adress to the log string
936 * +X option write in hexadecimal notation, most signifant byte on the left
937 */
938char *lf_ip(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node)
939{
940 char *ret = dst;
941 int iret;
942 char pn[INET6_ADDRSTRLEN];
943
944 if (node->options & LOG_OPT_HEXA) {
945 const unsigned char *addr = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_addr.s_addr;
946 iret = snprintf(dst, size, "%02X%02X%02X%02X", addr[0], addr[1], addr[2], addr[3]);
947 if (iret < 0 || iret > size)
948 return NULL;
949 ret += iret;
950 } else {
951 addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
952 ret = lf_text(dst, pn, size, node);
953 if (ret == NULL)
954 return NULL;
955 }
956 return ret;
957}
958
959/*
960 * Write a port to the log
961 * +X option write in hexadecimal notation, most signifant byte on the left
962 */
963char *lf_port(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node)
964{
965 char *ret = dst;
966 int iret;
967
968 if (node->options & LOG_OPT_HEXA) {
969 const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
970 iret = snprintf(dst, size, "%02X%02X", port[0], port[1]);
971 if (iret < 0 || iret > size)
972 return NULL;
973 ret += iret;
974 } else {
975 ret = ltoa_o(get_host_port((struct sockaddr_storage *)sockaddr), dst, size);
976 if (ret == NULL)
977 return NULL;
978 }
979 return ret;
980}
981
Dragan Dosen1322d092015-09-22 16:05:32 +0200982/* Re-generate time-based part of the syslog header in RFC3164 format at
983 * the beginning of logheader once a second and return the pointer to the
984 * first character after it.
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100985 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200986static char *update_log_hdr(const time_t time)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200987{
Christopher Fauletf8188c62017-06-02 16:20:16 +0200988 static THREAD_LOCAL long tvsec;
989 static THREAD_LOCAL char *dataptr = NULL; /* backup of last end of header, NULL first time */
990 static THREAD_LOCAL struct chunk host = { NULL, 0, 0 };
991 static THREAD_LOCAL int sep = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200992
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200993 if (unlikely(time != tvsec || dataptr == NULL)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200994 /* this string is rebuild only once a second */
Willy Tarreaufe944602007-10-25 10:34:16 +0200995 struct tm tm;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +0100996 int hdr_len;
Willy Tarreaufe944602007-10-25 10:34:16 +0200997
Dragan Dosen0b85ece2015-09-25 19:17:44 +0200998 tvsec = time;
Willy Tarreaufe944602007-10-25 10:34:16 +0200999 get_localtime(tvsec, &tm);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001000
Dragan Dosen43885c72015-10-01 13:18:13 +02001001 if (unlikely(global.log_send_hostname != host.str)) {
1002 host.str = global.log_send_hostname;
1003 host.len = host.str ? strlen(host.str) : 0;
1004 sep = host.len ? 1 : 0;
1005 }
1006
Dragan Dosen59cee972015-09-19 22:09:02 +02001007 hdr_len = snprintf(logheader, global.max_syslog_len,
Dragan Dosen43885c72015-10-01 13:18:13 +02001008 "<<<<>%s %2d %02d:%02d:%02d %.*s%*s",
Willy Tarreaufe944602007-10-25 10:34:16 +02001009 monthname[tm.tm_mon],
Dragan Dosen43885c72015-10-01 13:18:13 +02001010 tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec,
1011 host.len, host.str, sep, "");
Willy Tarreaubaaee002006-06-26 02:48:02 +02001012 /* WARNING: depending upon implementations, snprintf may return
1013 * either -1 or the number of bytes that would be needed to store
1014 * the total message. In both cases, we must adjust it.
1015 */
Willy Tarreau18324f52014-06-27 18:10:07 +02001016 if (hdr_len < 0 || hdr_len > global.max_syslog_len)
1017 hdr_len = global.max_syslog_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001018
Dragan Dosen59cee972015-09-19 22:09:02 +02001019 dataptr = logheader + hdr_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001020 }
1021
Willy Tarreau094af4e2015-01-07 15:03:42 +01001022 dataptr[0] = 0; // ensure we get rid of any previous attempt
1023
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001024 return dataptr;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001025}
1026
Dragan Dosen1322d092015-09-22 16:05:32 +02001027/* Re-generate time-based part of the syslog header in RFC5424 format at
1028 * the beginning of logheader_rfc5424 once a second and return the pointer
1029 * to the first character after it.
1030 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001031static char *update_log_hdr_rfc5424(const time_t time)
Dragan Dosen1322d092015-09-22 16:05:32 +02001032{
Christopher Fauletf8188c62017-06-02 16:20:16 +02001033 static THREAD_LOCAL long tvsec;
1034 static THREAD_LOCAL char *dataptr = NULL; /* backup of last end of header, NULL first time */
Benoit GARNIERb413c2a2016-03-27 11:08:03 +02001035 const char *gmt_offset;
Dragan Dosen1322d092015-09-22 16:05:32 +02001036
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001037 if (unlikely(time != tvsec || dataptr == NULL)) {
Dragan Dosen1322d092015-09-22 16:05:32 +02001038 /* this string is rebuild only once a second */
1039 struct tm tm;
1040 int hdr_len;
1041
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001042 tvsec = time;
Dragan Dosen1322d092015-09-22 16:05:32 +02001043 get_localtime(tvsec, &tm);
Benoit GARNIERe2e5bde2016-03-27 03:04:16 +02001044 gmt_offset = get_gmt_offset(time, &tm);
Dragan Dosen1322d092015-09-22 16:05:32 +02001045
1046 hdr_len = snprintf(logheader_rfc5424, global.max_syslog_len,
Dragan Dosen17def462015-10-09 21:31:43 +02001047 "<<<<>1 %4d-%02d-%02dT%02d:%02d:%02d%.3s:%.2s %s ",
Dragan Dosen1322d092015-09-22 16:05:32 +02001048 tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
Dragan Dosen17def462015-10-09 21:31:43 +02001049 tm.tm_hour, tm.tm_min, tm.tm_sec,
Benoit GARNIERb413c2a2016-03-27 11:08:03 +02001050 gmt_offset, gmt_offset+3,
Dragan Dosen43885c72015-10-01 13:18:13 +02001051 global.log_send_hostname ? global.log_send_hostname : hostname);
Dragan Dosen1322d092015-09-22 16:05:32 +02001052 /* WARNING: depending upon implementations, snprintf may return
1053 * either -1 or the number of bytes that would be needed to store
1054 * the total message. In both cases, we must adjust it.
1055 */
1056 if (hdr_len < 0 || hdr_len > global.max_syslog_len)
1057 hdr_len = global.max_syslog_len;
1058
1059 dataptr = logheader_rfc5424 + hdr_len;
1060 }
1061
1062 dataptr[0] = 0; // ensure we get rid of any previous attempt
1063
1064 return dataptr;
1065}
1066
William Lallemand2a4a44f2012-02-06 16:00:33 +01001067/*
Dragan Dosen59cee972015-09-19 22:09:02 +02001068 * This function sends the syslog message using a printf format string. It
1069 * expects an LF-terminated message.
William Lallemand2a4a44f2012-02-06 16:00:33 +01001070 */
1071void send_log(struct proxy *p, int level, const char *format, ...)
1072{
1073 va_list argp;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001074 int data_len;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001075
Willy Tarreau8c97ab52015-01-15 16:29:53 +01001076 if (level < 0 || format == NULL || logline == NULL)
William Lallemand2a4a44f2012-02-06 16:00:33 +01001077 return;
1078
William Lallemand2a4a44f2012-02-06 16:00:33 +01001079 va_start(argp, format);
Dragan Dosen59cee972015-09-19 22:09:02 +02001080 data_len = vsnprintf(logline, global.max_syslog_len, format, argp);
Willy Tarreau18324f52014-06-27 18:10:07 +02001081 if (data_len < 0 || data_len > global.max_syslog_len)
1082 data_len = global.max_syslog_len;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001083 va_end(argp);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001084
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001085 __send_log(p, level, logline, data_len, default_rfc5424_sd_log_format, 2);
William Lallemand2a4a44f2012-02-06 16:00:33 +01001086}
1087
1088/*
1089 * This function sends a syslog message.
1090 * It doesn't care about errors nor does it report them.
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001091 * It overrides the last byte of the message vector with an LF character.
1092 * The arguments <sd> and <sd_size> are used for the structured-data part
1093 * in RFC5424 formatted syslog messages.
William Lallemand2a4a44f2012-02-06 16:00:33 +01001094 */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001095void __send_log(struct proxy *p, int level, char *message, size_t size, char *sd, size_t sd_size)
William Lallemand2a4a44f2012-02-06 16:00:33 +01001096{
Christopher Fauletf8188c62017-06-02 16:20:16 +02001097 static THREAD_LOCAL struct iovec iovec[NB_MSG_IOVEC_ELEMENTS] = { };
1098 static THREAD_LOCAL struct msghdr msghdr = {
1099 //.msg_iov = iovec,
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001100 .msg_iovlen = NB_MSG_IOVEC_ELEMENTS
1101 };
Christopher Fauletf8188c62017-06-02 16:20:16 +02001102 static THREAD_LOCAL int logfdunix = -1; /* syslog to AF_UNIX socket */
1103 static THREAD_LOCAL int logfdinet = -1; /* syslog to AF_INET socket */
1104 static THREAD_LOCAL char *dataptr = NULL;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001105 int fac_level;
1106 struct list *logsrvs = NULL;
1107 struct logsrv *tmp = NULL;
1108 int nblogger;
Dragan Dosen1322d092015-09-22 16:05:32 +02001109 char *hdr, *hdr_ptr;
Dragan Dosen59cee972015-09-19 22:09:02 +02001110 size_t hdr_size;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001111 time_t time = date.tv_sec;
Dragan Dosen43885c72015-10-01 13:18:13 +02001112 struct chunk *tag = &global.log_tag;
Christopher Fauletf8188c62017-06-02 16:20:16 +02001113 static THREAD_LOCAL int curr_pid;
1114 static THREAD_LOCAL char pidstr[100];
1115 static THREAD_LOCAL struct chunk pid;
1116
1117 msghdr.msg_iov = iovec;
William Lallemand2a4a44f2012-02-06 16:00:33 +01001118
1119 dataptr = message;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001120
1121 if (p == NULL) {
William Lallemand0f99e342011-10-12 17:50:54 +02001122 if (!LIST_ISEMPTY(&global.logsrvs)) {
1123 logsrvs = &global.logsrvs;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001124 }
1125 } else {
William Lallemand0f99e342011-10-12 17:50:54 +02001126 if (!LIST_ISEMPTY(&p->logsrvs)) {
1127 logsrvs = &p->logsrvs;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001128 }
Dragan Dosen43885c72015-10-01 13:18:13 +02001129 if (p->log_tag.str) {
1130 tag = &p->log_tag;
1131 }
Robert Tsai81ae1952007-12-05 10:47:29 +01001132 }
1133
William Lallemand0f99e342011-10-12 17:50:54 +02001134 if (!logsrvs)
1135 return;
1136
Dragan Dosen43885c72015-10-01 13:18:13 +02001137 if (unlikely(curr_pid != getpid())) {
1138 curr_pid = getpid();
1139 ltoa_o(curr_pid, pidstr, sizeof(pidstr));
1140 chunk_initstr(&pid, pidstr);
1141 }
1142
Robert Tsai81ae1952007-12-05 10:47:29 +01001143 /* Send log messages to syslog server. */
William Lallemand0f99e342011-10-12 17:50:54 +02001144 nblogger = 0;
1145 list_for_each_entry(tmp, logsrvs, list) {
1146 const struct logsrv *logsrv = tmp;
David du Colombier11bcb6c2011-03-24 12:23:00 +01001147 int *plogfd = logsrv->addr.ss_family == AF_UNIX ?
Robert Tsai81ae1952007-12-05 10:47:29 +01001148 &logfdunix : &logfdinet;
Dragan Dosen43885c72015-10-01 13:18:13 +02001149 char *pid_sep1 = NULL, *pid_sep2 = NULL;
Robert Tsai81ae1952007-12-05 10:47:29 +01001150 int sent;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001151 int maxlen;
Dragan Dosen59cee972015-09-19 22:09:02 +02001152 int hdr_max = 0;
Dragan Dosen43885c72015-10-01 13:18:13 +02001153 int tag_max = 0;
1154 int pid_sep1_max = 0;
1155 int pid_max = 0;
1156 int pid_sep2_max = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001157 int sd_max = 0;
Dragan Dosen5b78d9b2015-09-28 16:01:03 +02001158 int max = 0;
Robert Tsai81ae1952007-12-05 10:47:29 +01001159
Willy Tarreauc7c7be22014-06-23 18:07:15 +02001160 nblogger++;
1161
Willy Tarreaubaaee002006-06-26 02:48:02 +02001162 /* we can filter the level of the messages that are sent to each logger */
William Lallemand0f99e342011-10-12 17:50:54 +02001163 if (level > logsrv->level)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001164 continue;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001165
Willy Tarreauc7c7be22014-06-23 18:07:15 +02001166 if (unlikely(*plogfd < 0)) {
1167 /* socket not successfully initialized yet */
1168 int proto = logsrv->addr.ss_family == AF_UNIX ? 0 : IPPROTO_UDP;
1169
1170 if ((*plogfd = socket(logsrv->addr.ss_family, SOCK_DGRAM, proto)) < 0) {
1171 Alert("socket for logger #%d failed: %s (errno=%d)\n",
1172 nblogger, strerror(errno), errno);
1173 continue;
1174 }
1175 /* we don't want to receive anything on this socket */
1176 setsockopt(*plogfd, SOL_SOCKET, SO_RCVBUF, &zero, sizeof(zero));
1177 /* does nothing under Linux, maybe needed for others */
1178 shutdown(*plogfd, SHUT_RD);
1179 }
1180
Dragan Dosen1322d092015-09-22 16:05:32 +02001181 switch (logsrv->format) {
1182 case LOG_FORMAT_RFC3164:
1183 hdr = logheader;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001184 hdr_ptr = update_log_hdr(time);
Dragan Dosen1322d092015-09-22 16:05:32 +02001185 break;
1186
1187 case LOG_FORMAT_RFC5424:
1188 hdr = logheader_rfc5424;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001189 hdr_ptr = update_log_hdr_rfc5424(time);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001190 sd_max = sd_size; /* the SD part allowed only in RFC5424 */
Dragan Dosen1322d092015-09-22 16:05:32 +02001191 break;
1192
1193 default:
1194 continue; /* must never happen */
1195 }
1196
1197 hdr_size = hdr_ptr - hdr;
1198
Willy Tarreaubaaee002006-06-26 02:48:02 +02001199 /* For each target, we may have a different facility.
1200 * We can also have a different log level for each message.
1201 * This induces variations in the message header length.
1202 * Since we don't want to recompute it each time, nor copy it every
1203 * time, we only change the facility in the pre-computed header,
1204 * and we change the pointer to the header accordingly.
1205 */
William Lallemand0f99e342011-10-12 17:50:54 +02001206 fac_level = (logsrv->facility << 3) + MAX(level, logsrv->minlvl);
Dragan Dosen1322d092015-09-22 16:05:32 +02001207 hdr_ptr = hdr + 3; /* last digit of the log level */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001208 do {
Dragan Dosen59cee972015-09-19 22:09:02 +02001209 *hdr_ptr = '0' + fac_level % 10;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001210 fac_level /= 10;
Dragan Dosen59cee972015-09-19 22:09:02 +02001211 hdr_ptr--;
Dragan Dosen1322d092015-09-22 16:05:32 +02001212 } while (fac_level && hdr_ptr > hdr);
Dragan Dosen59cee972015-09-19 22:09:02 +02001213 *hdr_ptr = '<';
William Lallemand2a4a44f2012-02-06 16:00:33 +01001214
Dragan Dosen1322d092015-09-22 16:05:32 +02001215 hdr_max = hdr_size - (hdr_ptr - hdr);
Dragan Dosen59cee972015-09-19 22:09:02 +02001216
Dragan Dosen43885c72015-10-01 13:18:13 +02001217 /* time-based header */
Dragan Dosen59cee972015-09-19 22:09:02 +02001218 if (unlikely(hdr_size >= logsrv->maxlen)) {
1219 hdr_max = MIN(hdr_max, logsrv->maxlen) - 1;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001220 sd_max = 0;
Dragan Dosen59cee972015-09-19 22:09:02 +02001221 goto send;
1222 }
1223
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001224 maxlen = logsrv->maxlen - hdr_max;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001225
Dragan Dosen43885c72015-10-01 13:18:13 +02001226 /* tag */
1227 tag_max = tag->len;
1228 if (unlikely(tag_max >= maxlen)) {
1229 tag_max = maxlen - 1;
1230 sd_max = 0;
1231 goto send;
1232 }
1233
1234 maxlen -= tag_max;
1235
1236 /* first pid separator */
1237 pid_sep1_max = log_formats[logsrv->format].pid.sep1.len;
1238 if (unlikely(pid_sep1_max >= maxlen)) {
1239 pid_sep1_max = maxlen - 1;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001240 sd_max = 0;
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02001241 goto send;
1242 }
1243
Dragan Dosen43885c72015-10-01 13:18:13 +02001244 pid_sep1 = log_formats[logsrv->format].pid.sep1.str;
1245 maxlen -= pid_sep1_max;
Dragan Dosen59cee972015-09-19 22:09:02 +02001246
Dragan Dosen43885c72015-10-01 13:18:13 +02001247 /* pid */
1248 pid_max = pid.len;
1249 if (unlikely(pid_max >= maxlen)) {
1250 pid_max = maxlen - 1;
1251 sd_max = 0;
1252 goto send;
1253 }
1254
1255 maxlen -= pid_max;
1256
1257 /* second pid separator */
1258 pid_sep2_max = log_formats[logsrv->format].pid.sep2.len;
1259 if (unlikely(pid_sep2_max >= maxlen)) {
1260 pid_sep2_max = maxlen - 1;
1261 sd_max = 0;
1262 goto send;
1263 }
1264
1265 pid_sep2 = log_formats[logsrv->format].pid.sep2.str;
1266 maxlen -= pid_sep2_max;
1267
1268 /* structured-data */
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001269 if (sd_max >= maxlen) {
1270 sd_max = maxlen - 1;
1271 goto send;
1272 }
Dragan Dosen59cee972015-09-19 22:09:02 +02001273
Dragan Dosen5b78d9b2015-09-28 16:01:03 +02001274 max = MIN(size, maxlen - sd_max) - 1;
Dragan Dosen59cee972015-09-19 22:09:02 +02001275send:
Dragan Dosen59cee972015-09-19 22:09:02 +02001276 iovec[0].iov_base = hdr_ptr;
Dragan Dosen43885c72015-10-01 13:18:13 +02001277 iovec[0].iov_len = hdr_max;
1278 iovec[1].iov_base = tag->str;
1279 iovec[1].iov_len = tag_max;
1280 iovec[2].iov_base = pid_sep1;
1281 iovec[2].iov_len = pid_sep1_max;
1282 iovec[3].iov_base = pid.str;
1283 iovec[3].iov_len = pid_max;
1284 iovec[4].iov_base = pid_sep2;
1285 iovec[4].iov_len = pid_sep2_max;
1286 iovec[5].iov_base = sd;
1287 iovec[5].iov_len = sd_max;
1288 iovec[6].iov_base = dataptr;
1289 iovec[6].iov_len = max;
1290 iovec[7].iov_base = "\n"; /* insert a \n at the end of the message */
1291 iovec[7].iov_len = 1;
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001292
1293 msghdr.msg_name = (struct sockaddr *)&logsrv->addr;
1294 msghdr.msg_namelen = get_addr_len(&logsrv->addr);
1295
1296 sent = sendmsg(*plogfd, &msghdr, MSG_DONTWAIT | MSG_NOSIGNAL);
Willy Tarreau18324f52014-06-27 18:10:07 +02001297
Robert Tsai81ae1952007-12-05 10:47:29 +01001298 if (sent < 0) {
Dragan Dosen609ac2a2015-09-16 18:25:42 +02001299 Alert("sendmsg logger #%d failed: %s (errno=%d)\n",
Robert Tsai81ae1952007-12-05 10:47:29 +01001300 nblogger, strerror(errno), errno);
1301 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001302 }
1303}
1304
William Lallemandbddd4fd2012-02-27 11:23:10 +01001305extern fd_set hdr_encode_map[];
1306extern fd_set url_encode_map[];
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001307extern fd_set http_encode_map[];
William Lallemandbddd4fd2012-02-27 11:23:10 +01001308
Willy Tarreaubaaee002006-06-26 02:48:02 +02001309
Willy Tarreauc89ccb62012-04-05 21:18:22 +02001310const 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 +01001311const char sess_set_cookie[8] = "NPDIRU67"; /* No set-cookie, Set-cookie found and left unchanged (passive),
1312 Set-cookie Deleted, Set-Cookie Inserted, Set-cookie Rewritten,
1313 Set-cookie Updated, unknown, unknown */
1314
William Lallemand1d705562012-03-12 12:46:41 +01001315/*
1316 * try to write a character if there is enough space, or goto out
1317 */
William Lallemandbddd4fd2012-02-27 11:23:10 +01001318#define LOGCHAR(x) do { \
William Lallemand1d705562012-03-12 12:46:41 +01001319 if (tmplog < dst + maxsize - 1) { \
William Lallemandbddd4fd2012-02-27 11:23:10 +01001320 *(tmplog++) = (x); \
1321 } else { \
1322 goto out; \
1323 } \
1324 } while(0)
1325
Dragan Dosen835b9212016-02-12 13:23:03 +01001326
1327/* Initializes some log data.
1328 */
1329void init_log()
1330{
1331 char *tmp;
1332
1333 /* Initialize the escape map for the RFC5424 structured-data : '"\]'
1334 * inside PARAM-VALUE should be escaped with '\' as prefix.
1335 * See https://tools.ietf.org/html/rfc5424#section-6.3.3 for more
1336 * details.
1337 */
1338 memset(rfc5424_escape_map, 0, sizeof(rfc5424_escape_map));
1339
1340 tmp = "\"\\]";
1341 while (*tmp) {
1342 FD_SET(*tmp, rfc5424_escape_map);
1343 tmp++;
1344 }
1345}
William Lallemand1d705562012-03-12 12:46:41 +01001346
Christopher Fauletcd7879a2017-10-27 13:53:47 +02001347static int init_log_buffers_per_thread()
1348{
1349 return init_log_buffers();
1350}
1351
1352static void deinit_log_buffers_per_thread()
1353{
1354 deinit_log_buffers();
1355}
1356
Christopher Faulet0132d062017-07-26 15:33:35 +02001357/* Initialize log buffers used for syslog messages */
1358int init_log_buffers()
1359{
1360 logheader = my_realloc2(logheader, global.max_syslog_len + 1);
1361 logheader_rfc5424 = my_realloc2(logheader_rfc5424, global.max_syslog_len + 1);
1362 logline = my_realloc2(logline, global.max_syslog_len + 1);
1363 logline_rfc5424 = my_realloc2(logline_rfc5424, global.max_syslog_len + 1);
1364 if (!logheader || !logline_rfc5424 || !logline || !logline_rfc5424)
1365 return 0;
1366 return 1;
1367}
1368
1369/* Deinitialize log buffers used for syslog messages */
1370void deinit_log_buffers()
1371{
1372 free(logheader);
1373 free(logheader_rfc5424);
1374 free(logline);
1375 free(logline_rfc5424);
Christopher Fauletd4696382017-10-24 11:44:05 +02001376 free(startup_logs);
Christopher Faulet0132d062017-07-26 15:33:35 +02001377 logheader = NULL;
1378 logheader_rfc5424 = NULL;
1379 logline = NULL;
1380 logline_rfc5424 = NULL;
Christopher Fauletd4696382017-10-24 11:44:05 +02001381 startup_logs = NULL;
Christopher Faulet0132d062017-07-26 15:33:35 +02001382}
1383
Willy Tarreaudf974472012-12-28 02:44:01 +01001384/* Builds a log line in <dst> based on <list_format>, and stops before reaching
1385 * <maxsize> characters. Returns the size of the output string in characters,
1386 * not counting the trailing zero which is always added if the resulting size
1387 * is not zero.
1388 */
Willy Tarreau87b09662015-04-03 00:22:06 +02001389int build_logline(struct stream *s, char *dst, size_t maxsize, struct list *list_format)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001390{
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001391 struct session *sess = strm_sess(s);
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02001392 struct proxy *fe = sess->fe;
Willy Tarreauddb358d2006-12-17 22:55:52 +01001393 struct proxy *be = s->be;
Willy Tarreaueee5b512015-04-03 23:46:31 +02001394 struct http_txn *txn = s->txn;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001395 struct chunk chunk;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001396 char *uri;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001397 char *spc;
Andrew Hayworthe63ac872015-07-31 16:14:16 +00001398 char *qmark;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001399 char *end;
Willy Tarreaufe944602007-10-25 10:34:16 +02001400 struct tm tm;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001401 int t_request;
1402 int hdr;
1403 int last_isspace = 1;
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00001404 int nspaces = 0;
Willy Tarreaub1a2faf2012-03-19 16:51:53 +01001405 char *tmplog;
William Lallemand1d705562012-03-12 12:46:41 +01001406 char *ret;
1407 int iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001408 struct logformat_node *tmp;
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001409 struct timeval tv;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001410
William Lallemandbddd4fd2012-02-27 11:23:10 +01001411 /* FIXME: let's limit ourselves to frontend logging for now. */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001412
William Lallemandbddd4fd2012-02-27 11:23:10 +01001413 t_request = -1;
1414 if (tv_isge(&s->logs.tv_request, &s->logs.tv_accept))
1415 t_request = tv_ms_elapsed(&s->logs.tv_accept, &s->logs.tv_request);
1416
William Lallemand1d705562012-03-12 12:46:41 +01001417 tmplog = dst;
Willy Tarreauc9bd0cc2009-05-10 11:57:02 +02001418
William Lallemandbddd4fd2012-02-27 11:23:10 +01001419 /* fill logbuffer */
William Lallemand1d705562012-03-12 12:46:41 +01001420 if (LIST_ISEMPTY(list_format))
1421 return 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001422
William Lallemand1d705562012-03-12 12:46:41 +01001423 list_for_each_entry(tmp, list_format, list) {
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001424 struct connection *conn;
Willy Tarreau4f653562012-10-12 19:48:16 +02001425 const char *src = NULL;
Willy Tarreauc8368452012-12-21 00:09:23 +01001426 struct sample *key;
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001427 const struct chunk empty = { NULL, 0, 0 };
William Lallemandbddd4fd2012-02-27 11:23:10 +01001428
Willy Tarreauc8368452012-12-21 00:09:23 +01001429 switch (tmp->type) {
William Lallemand1d705562012-03-12 12:46:41 +01001430 case LOG_FMT_SEPARATOR:
William Lallemandbddd4fd2012-02-27 11:23:10 +01001431 if (!last_isspace) {
1432 LOGCHAR(' ');
1433 last_isspace = 1;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001434 }
1435 break;
1436
William Lallemand1d705562012-03-12 12:46:41 +01001437 case LOG_FMT_TEXT: // text
William Lallemandbddd4fd2012-02-27 11:23:10 +01001438 src = tmp->arg;
William Lallemand5f232402012-04-05 18:02:55 +02001439 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001440 if (iret == 0)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001441 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001442 tmplog += iret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001443 last_isspace = 0;
1444 break;
1445
Willy Tarreauc8368452012-12-21 00:09:23 +01001446 case LOG_FMT_EXPR: // sample expression, may be request or response
1447 key = NULL;
1448 if (tmp->options & LOG_OPT_REQ_CAP)
Adis Nezirovic79beb242015-07-06 15:41:02 +02001449 key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
Willy Tarreauc8368452012-12-21 00:09:23 +01001450 if (!key && (tmp->options & LOG_OPT_RES_CAP))
Adis Nezirovic79beb242015-07-06 15:41:02 +02001451 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 +01001452 if (tmp->options & LOG_OPT_HTTP)
Dragan Dosen835b9212016-02-12 13:23:03 +01001453 ret = lf_encode_chunk(tmplog, dst + maxsize,
1454 '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
Thierry FOURNIERd048d8b2014-03-13 16:46:18 +01001455 else
Thierry FOURNIER136f9d32015-08-19 09:07:19 +02001456 ret = lf_text_len(tmplog, key ? key->data.u.str.str : NULL, key ? key->data.u.str.len : 0, dst + maxsize - tmplog, tmp);
Willy Tarreauc8368452012-12-21 00:09:23 +01001457 if (ret == 0)
1458 goto out;
1459 tmplog = ret;
1460 last_isspace = 0;
1461 break;
1462
Willy Tarreau2beef582012-12-20 17:22:52 +01001463 case LOG_FMT_CLIENTIP: // %ci
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001464 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001465 if (conn)
1466 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1467 else
1468 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001469 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001470 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001471 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001472 last_isspace = 0;
1473 break;
1474
Willy Tarreau2beef582012-12-20 17:22:52 +01001475 case LOG_FMT_CLIENTPORT: // %cp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001476 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001477 if (conn) {
1478 if (conn->addr.from.ss_family == AF_UNIX) {
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001479 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001480 } else {
1481 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.from,
1482 dst + maxsize - tmplog, tmp);
1483 }
William Lallemand5f232402012-04-05 18:02:55 +02001484 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001485 else
1486 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1487
William Lallemand5f232402012-04-05 18:02:55 +02001488 if (ret == NULL)
1489 goto out;
1490 tmplog = ret;
1491 last_isspace = 0;
1492 break;
1493
Willy Tarreau2beef582012-12-20 17:22:52 +01001494 case LOG_FMT_FRONTENDIP: // %fi
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001495 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001496 if (conn) {
1497 conn_get_to_addr(conn);
1498 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1499 }
1500 else
1501 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1502
William Lallemand1d705562012-03-12 12:46:41 +01001503 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001504 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001505 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001506 last_isspace = 0;
1507 break;
1508
Willy Tarreau2beef582012-12-20 17:22:52 +01001509 case LOG_FMT_FRONTENDPORT: // %fp
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001510 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001511 if (conn) {
1512 conn_get_to_addr(conn);
1513 if (conn->addr.to.ss_family == AF_UNIX)
Willy Tarreaufb0afa72015-04-03 14:46:27 +02001514 ret = ltoa_o(sess->listener->luid, tmplog, dst + maxsize - tmplog);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001515 else
1516 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
William Lallemand5f232402012-04-05 18:02:55 +02001517 }
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001518 else
1519 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1520
William Lallemand5f232402012-04-05 18:02:55 +02001521 if (ret == NULL)
1522 goto out;
1523 tmplog = ret;
1524 last_isspace = 0;
1525 break;
1526
Willy Tarreau2beef582012-12-20 17:22:52 +01001527 case LOG_FMT_BACKENDIP: // %bi
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001528 conn = cs_conn(objt_cs(s->si[1].end));
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001529 if (conn)
1530 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1531 else
1532 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1533
William Lallemand1d705562012-03-12 12:46:41 +01001534 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01001535 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001536 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01001537 last_isspace = 0;
1538 break;
1539
Willy Tarreau2beef582012-12-20 17:22:52 +01001540 case LOG_FMT_BACKENDPORT: // %bp
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001541 conn = cs_conn(objt_cs(s->si[1].end));
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001542 if (conn)
1543 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.from, dst + maxsize - tmplog, tmp);
1544 else
1545 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1546
William Lallemand5f232402012-04-05 18:02:55 +02001547 if (ret == NULL)
1548 goto out;
1549 tmplog = ret;
1550 last_isspace = 0;
1551 break;
1552
Willy Tarreau2beef582012-12-20 17:22:52 +01001553 case LOG_FMT_SERVERIP: // %si
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001554 conn = cs_conn(objt_cs(s->si[1].end));
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001555 if (conn)
1556 ret = lf_ip(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1557 else
1558 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1559
William Lallemand5f232402012-04-05 18:02:55 +02001560 if (ret == NULL)
1561 goto out;
1562 tmplog = ret;
1563 last_isspace = 0;
1564 break;
1565
Willy Tarreau2beef582012-12-20 17:22:52 +01001566 case LOG_FMT_SERVERPORT: // %sp
Olivier Houchard9aaf7782017-09-13 18:30:23 +02001567 conn = cs_conn(objt_cs(s->si[1].end));
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001568 if (conn)
1569 ret = lf_port(tmplog, (struct sockaddr *)&conn->addr.to, dst + maxsize - tmplog, tmp);
1570 else
1571 ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
1572
William Lallemand1d705562012-03-12 12:46:41 +01001573 if (ret == NULL)
William Lallemandb7ff6a32012-03-02 14:35:21 +01001574 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001575 tmplog = ret;
William Lallemandb7ff6a32012-03-02 14:35:21 +01001576 last_isspace = 0;
1577 break;
1578
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001579 case LOG_FMT_DATE: // %t = accept date
William Lallemandbddd4fd2012-02-27 11:23:10 +01001580 get_localtime(s->logs.accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02001581 ret = date2str_log(tmplog, &tm, &(s->logs.accept_date),
1582 dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001583 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001584 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001585 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001586 last_isspace = 0;
1587 break;
1588
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001589 case LOG_FMT_tr: // %tr = start of request date
1590 /* Note that the timers are valid if we get here */
1591 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1592 get_localtime(tv.tv_sec, &tm);
1593 ret = date2str_log(tmplog, &tm, &tv, dst + maxsize - tmplog);
1594 if (ret == NULL)
1595 goto out;
1596 tmplog = ret;
1597 last_isspace = 0;
1598 break;
1599
1600 case LOG_FMT_DATEGMT: // %T = accept date, GMT
William Lallemandbddd4fd2012-02-27 11:23:10 +01001601 get_gmtime(s->logs.accept_date.tv_sec, &tm);
William Lallemand5f232402012-04-05 18:02:55 +02001602 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001603 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001604 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001605 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001606 last_isspace = 0;
1607 break;
1608
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001609 case LOG_FMT_trg: // %trg = start of request date, GMT
1610 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1611 get_gmtime(tv.tv_sec, &tm);
1612 ret = gmt2str_log(tmplog, &tm, dst + maxsize - tmplog);
1613 if (ret == NULL)
1614 goto out;
1615 tmplog = ret;
1616 last_isspace = 0;
1617 break;
1618
1619 case LOG_FMT_DATELOCAL: // %Tl = accept date, local
Yuxans Yao4e25b012012-10-19 10:36:09 +08001620 get_localtime(s->logs.accept_date.tv_sec, &tm);
Benoit GARNIERe2e5bde2016-03-27 03:04:16 +02001621 ret = localdate2str_log(tmplog, s->logs.accept_date.tv_sec, &tm, dst + maxsize - tmplog);
Yuxans Yao4e25b012012-10-19 10:36:09 +08001622 if (ret == NULL)
1623 goto out;
1624 tmplog = ret;
1625 last_isspace = 0;
1626 break;
1627
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001628 case LOG_FMT_trl: // %trl = start of request date, local
1629 tv_ms_add(&tv, &s->logs.accept_date, s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0);
1630 get_localtime(tv.tv_sec, &tm);
1631 ret = localdate2str_log(tmplog, tv.tv_sec, &tm, dst + maxsize - tmplog);
1632 if (ret == NULL)
1633 goto out;
1634 tmplog = ret;
1635 last_isspace = 0;
1636 break;
1637
William Lallemand5f232402012-04-05 18:02:55 +02001638 case LOG_FMT_TS: // %Ts
1639 get_gmtime(s->logs.accept_date.tv_sec, &tm);
1640 if (tmp->options & LOG_OPT_HEXA) {
1641 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", (unsigned int)s->logs.accept_date.tv_sec);
1642 if (iret < 0 || iret > dst + maxsize - tmplog)
1643 goto out;
1644 last_isspace = 0;
1645 tmplog += iret;
1646 } else {
1647 ret = ltoa_o(s->logs.accept_date.tv_sec, tmplog, dst + maxsize - tmplog);
1648 if (ret == NULL)
1649 goto out;
1650 tmplog = ret;
1651 last_isspace = 0;
1652 }
1653 break;
1654
William Lallemand1d705562012-03-12 12:46:41 +01001655 case LOG_FMT_MS: // %ms
William Lallemand5f232402012-04-05 18:02:55 +02001656 if (tmp->options & LOG_OPT_HEXA) {
1657 iret = snprintf(tmplog, dst + maxsize - tmplog, "%02X",(unsigned int)s->logs.accept_date.tv_usec/1000);
1658 if (iret < 0 || iret > dst + maxsize - tmplog)
1659 goto out;
1660 last_isspace = 0;
1661 tmplog += iret;
1662 } else {
1663 if ((dst + maxsize - tmplog) < 4)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001664 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01001665 ret = utoa_pad((unsigned int)s->logs.accept_date.tv_usec/1000,
1666 tmplog, 4);
1667 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001668 goto out;
Willy Tarreau9e60cd82013-01-24 01:18:16 +01001669 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001670 last_isspace = 0;
William Lallemand5f232402012-04-05 18:02:55 +02001671 }
1672 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001673
William Lallemand1d705562012-03-12 12:46:41 +01001674 case LOG_FMT_FRONTEND: // %f
William Lallemandbddd4fd2012-02-27 11:23:10 +01001675 src = fe->id;
William Lallemand5f232402012-04-05 18:02:55 +02001676 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001677 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001678 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001679 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001680 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001681 break;
1682
Willy Tarreau773d65f2012-10-12 14:56:11 +02001683 case LOG_FMT_FRONTEND_XPRT: // %ft
1684 src = fe->id;
1685 if (tmp->options & LOG_OPT_QUOTE)
1686 LOGCHAR('"');
1687 iret = strlcpy2(tmplog, src, dst + maxsize - tmplog);
1688 if (iret == 0)
1689 goto out;
1690 tmplog += iret;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001691 if (sess->listener->bind_conf->xprt == xprt_get(XPRT_SSL))
Willy Tarreau773d65f2012-10-12 14:56:11 +02001692 LOGCHAR('~');
Willy Tarreau773d65f2012-10-12 14:56:11 +02001693 if (tmp->options & LOG_OPT_QUOTE)
1694 LOGCHAR('"');
1695 last_isspace = 0;
1696 break;
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001697#ifdef USE_OPENSSL
1698 case LOG_FMT_SSL_CIPHER: // %sslc
1699 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001700 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001701 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02001702 src = ssl_sock_get_cipher_name(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001703 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001704 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
1705 if (ret == NULL)
1706 goto out;
1707 tmplog = ret;
1708 last_isspace = 0;
1709 break;
Willy Tarreau773d65f2012-10-12 14:56:11 +02001710
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001711 case LOG_FMT_SSL_VERSION: // %sslv
1712 src = NULL;
Willy Tarreau9ad7bd42015-04-03 19:19:59 +02001713 conn = objt_conn(sess->origin);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001714 if (conn) {
Emmanuel Hocdet01da5712017-10-13 16:59:49 +02001715 src = ssl_sock_get_proto_version(conn);
Willy Tarreaub363a1f2013-10-01 10:45:07 +02001716 }
Willy Tarreauffc3fcd2012-10-12 20:17:54 +02001717 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
1718 if (ret == NULL)
1719 goto out;
1720 tmplog = ret;
1721 last_isspace = 0;
1722 break;
1723#endif
William Lallemand1d705562012-03-12 12:46:41 +01001724 case LOG_FMT_BACKEND: // %b
William Lallemandbddd4fd2012-02-27 11:23:10 +01001725 src = be->id;
William Lallemand5f232402012-04-05 18:02:55 +02001726 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001727 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001728 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001729 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001730 last_isspace = 0;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001731 break;
1732
William Lallemand1d705562012-03-12 12:46:41 +01001733 case LOG_FMT_SERVER: // %s
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001734 switch (obj_type(s->target)) {
1735 case OBJ_TYPE_SERVER:
1736 src = objt_server(s->target)->id;
1737 break;
1738 case OBJ_TYPE_APPLET:
1739 src = objt_applet(s->target)->name;
1740 break;
1741 default:
1742 src = "<NOSRV>";
1743 break;
1744 }
William Lallemand5f232402012-04-05 18:02:55 +02001745 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001746 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001747 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001748 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001749 last_isspace = 0;
1750 break;
1751
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001752 case LOG_FMT_Th: // %Th = handshake time
1753 ret = ltoa_o(s->logs.t_handshake, tmplog, dst + maxsize - tmplog);
1754 if (ret == NULL)
1755 goto out;
1756 tmplog = ret;
1757 last_isspace = 0;
1758 break;
1759
1760 case LOG_FMT_Ti: // %Ti = HTTP idle time
1761 ret = ltoa_o(s->logs.t_idle, tmplog, dst + maxsize - tmplog);
1762 if (ret == NULL)
1763 goto out;
1764 tmplog = ret;
1765 last_isspace = 0;
1766 break;
1767
1768 case LOG_FMT_TR: // %TR = HTTP request time
1769 ret = ltoa_o((t_request >= 0) ? t_request - s->logs.t_idle - s->logs.t_handshake : -1,
1770 tmplog, dst + maxsize - tmplog);
1771 if (ret == NULL)
1772 goto out;
1773 tmplog = ret;
1774 last_isspace = 0;
1775 break;
1776
1777 case LOG_FMT_TQ: // %Tq = Th + Ti + TR
William Lallemand5f232402012-04-05 18:02:55 +02001778 ret = ltoa_o(t_request, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001779 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001780 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001781 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001782 last_isspace = 0;
1783 break;
1784
William Lallemand1d705562012-03-12 12:46:41 +01001785 case LOG_FMT_TW: // %Tw
1786 ret = ltoa_o((s->logs.t_queue >= 0) ? s->logs.t_queue - t_request : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001787 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001788 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001789 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001790 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001791 last_isspace = 0;
1792 break;
1793
William Lallemand1d705562012-03-12 12:46:41 +01001794 case LOG_FMT_TC: // %Tc
1795 ret = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_connect - s->logs.t_queue : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001796 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001797 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001798 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001799 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001800 last_isspace = 0;
1801 break;
1802
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001803 case LOG_FMT_Tr: // %Tr
William Lallemand1d705562012-03-12 12:46:41 +01001804 ret = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_data - s->logs.t_connect : -1,
William Lallemand5f232402012-04-05 18:02:55 +02001805 tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001806 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001807 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001808 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001809 last_isspace = 0;
1810 break;
1811
Willy Tarreau27b639d2016-05-17 17:55:27 +02001812 case LOG_FMT_TD: // %Td
1813 if (s->be->mode == PR_MODE_HTTP)
1814 ret = ltoa_o((s->logs.t_data >= 0) ? s->logs.t_close - s->logs.t_data : -1,
1815 tmplog, dst + maxsize - tmplog);
1816 else
1817 ret = ltoa_o((s->logs.t_connect >= 0) ? s->logs.t_close - s->logs.t_connect : -1,
1818 tmplog, dst + maxsize - tmplog);
1819 if (ret == NULL)
1820 goto out;
1821 tmplog = ret;
1822 last_isspace = 0;
1823 break;
1824
Thierry FOURNIER / OZON.IO4cac3592016-07-28 17:19:45 +02001825 case LOG_FMT_Ta: // %Ta = active time = Tt - Th - Ti
1826 if (!(fe->to_log & LW_BYTES))
1827 LOGCHAR('+');
1828 ret = ltoa_o(s->logs.t_close - (s->logs.t_idle >= 0 ? s->logs.t_idle + s->logs.t_handshake : 0),
1829 tmplog, dst + maxsize - tmplog);
1830 if (ret == NULL)
1831 goto out;
1832 tmplog = ret;
1833 last_isspace = 0;
1834 break;
1835
1836 case LOG_FMT_TT: // %Tt = total time
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001837 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01001838 LOGCHAR('+');
William Lallemand5f232402012-04-05 18:02:55 +02001839 ret = ltoa_o(s->logs.t_close, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001840 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001841 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001842 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001843 last_isspace = 0;
1844 break;
1845
Willy Tarreau2beef582012-12-20 17:22:52 +01001846 case LOG_FMT_STATUS: // %ST
Willy Tarreau57bc8912016-04-25 17:09:40 +02001847 ret = ltoa_o(txn ? txn->status : 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001848 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001849 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001850 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001851 last_isspace = 0;
1852 break;
1853
William Lallemand1d705562012-03-12 12:46:41 +01001854 case LOG_FMT_BYTES: // %B
Willy Tarreaud79a3b22012-12-28 09:40:16 +01001855 if (!(fe->to_log & LW_BYTES))
William Lallemand1d705562012-03-12 12:46:41 +01001856 LOGCHAR('+');
William Lallemand5f232402012-04-05 18:02:55 +02001857 ret = lltoa(s->logs.bytes_out, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001858 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001859 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001860 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001861 last_isspace = 0;
1862 break;
1863
Willy Tarreauc5259fd2012-12-20 15:38:04 +01001864 case LOG_FMT_BYTES_UP: // %U
Willy Tarreauc5259fd2012-12-20 15:38:04 +01001865 ret = lltoa(s->logs.bytes_in, tmplog, dst + maxsize - tmplog);
1866 if (ret == NULL)
1867 goto out;
1868 tmplog = ret;
1869 last_isspace = 0;
1870 break;
1871
Willy Tarreau2beef582012-12-20 17:22:52 +01001872 case LOG_FMT_CCLIENT: // %CC
Willy Tarreau57bc8912016-04-25 17:09:40 +02001873 src = txn ? txn->cli_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02001874 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001875 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001876 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001877 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001878 last_isspace = 0;
1879 break;
1880
Willy Tarreau2beef582012-12-20 17:22:52 +01001881 case LOG_FMT_CSERVER: // %CS
Willy Tarreau57bc8912016-04-25 17:09:40 +02001882 src = txn ? txn->srv_cookie : NULL;
William Lallemand5f232402012-04-05 18:02:55 +02001883 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001884 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001885 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001886 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001887 last_isspace = 0;
1888 break;
1889
William Lallemand1d705562012-03-12 12:46:41 +01001890 case LOG_FMT_TERMSTATE: // %ts
Willy Tarreaue7dff022015-04-03 01:14:29 +02001891 LOGCHAR(sess_term_cond[(s->flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
1892 LOGCHAR(sess_fin_state[(s->flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau6580c062012-03-12 15:09:42 +01001893 *tmplog = '\0';
1894 last_isspace = 0;
1895 break;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001896
William Lallemand1d705562012-03-12 12:46:41 +01001897 case LOG_FMT_TERMSTATE_CK: // %tsc, same as TS with cookie state (for mode HTTP)
Willy Tarreaue7dff022015-04-03 01:14:29 +02001898 LOGCHAR(sess_term_cond[(s->flags & SF_ERR_MASK) >> SF_ERR_SHIFT]);
1899 LOGCHAR(sess_fin_state[(s->flags & SF_FINST_MASK) >> SF_FINST_SHIFT]);
Willy Tarreau57bc8912016-04-25 17:09:40 +02001900 LOGCHAR((txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-');
1901 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 +01001902 last_isspace = 0;
1903 break;
1904
William Lallemand1d705562012-03-12 12:46:41 +01001905 case LOG_FMT_ACTCONN: // %ac
William Lallemand5f232402012-04-05 18:02:55 +02001906 ret = ltoa_o(actconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001907 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001908 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001909 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001910 last_isspace = 0;
1911 break;
1912
William Lallemand1d705562012-03-12 12:46:41 +01001913 case LOG_FMT_FECONN: // %fc
William Lallemand5f232402012-04-05 18:02:55 +02001914 ret = ltoa_o(fe->feconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001915 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001916 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001917 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001918 last_isspace = 0;
1919 break;
1920
William Lallemand1d705562012-03-12 12:46:41 +01001921 case LOG_FMT_BECONN: // %bc
William Lallemand5f232402012-04-05 18:02:55 +02001922 ret = ltoa_o(be->beconn, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001923 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001924 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001925 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001926 last_isspace = 0;
1927 break;
1928
William Lallemand1d705562012-03-12 12:46:41 +01001929 case LOG_FMT_SRVCONN: // %sc
Willy Tarreau54a08d32012-11-12 01:14:56 +01001930 ret = ultoa_o(objt_server(s->target) ?
Willy Tarreau3fdb3662012-11-12 00:42:33 +01001931 objt_server(s->target)->cur_sess :
William Lallemand5f232402012-04-05 18:02:55 +02001932 0, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001933 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001934 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001935 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001936 last_isspace = 0;
1937 break;
1938
William Lallemand1d705562012-03-12 12:46:41 +01001939 case LOG_FMT_RETRIES: // %rq
Willy Tarreaue7dff022015-04-03 01:14:29 +02001940 if (s->flags & SF_REDISP)
William Lallemand1d705562012-03-12 12:46:41 +01001941 LOGCHAR('+');
Willy Tarreau350f4872014-11-28 14:42:25 +01001942 ret = ltoa_o((s->si[1].conn_retries>0) ?
1943 (be->conn_retries - s->si[1].conn_retries) :
William Lallemand5f232402012-04-05 18:02:55 +02001944 be->conn_retries, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001945 if (ret == NULL)
William Lallemand51b5dca2012-03-26 17:52:55 +02001946 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001947 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001948 last_isspace = 0;
1949 break;
1950
William Lallemand1d705562012-03-12 12:46:41 +01001951 case LOG_FMT_SRVQUEUE: // %sq
William Lallemand5f232402012-04-05 18:02:55 +02001952 ret = ltoa_o(s->logs.srv_queue_size, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001953 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001954 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001955 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001956 last_isspace = 0;
1957 break;
1958
William Lallemand1d705562012-03-12 12:46:41 +01001959 case LOG_FMT_BCKQUEUE: // %bq
William Lallemand5f232402012-04-05 18:02:55 +02001960 ret = ltoa_o(s->logs.prx_queue_size, tmplog, dst + maxsize - tmplog);
William Lallemand1d705562012-03-12 12:46:41 +01001961 if (ret == NULL)
William Lallemandbddd4fd2012-02-27 11:23:10 +01001962 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001963 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01001964 last_isspace = 0;
1965 break;
1966
William Lallemand1d705562012-03-12 12:46:41 +01001967 case LOG_FMT_HDRREQUEST: // %hr
William Lallemandbddd4fd2012-02-27 11:23:10 +01001968 /* request header */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001969 if (fe->nb_req_cap && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001970 if (tmp->options & LOG_OPT_QUOTE)
1971 LOGCHAR('"');
1972 LOGCHAR('{');
1973 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
1974 if (hdr)
1975 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001976 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01001977 ret = lf_encode_string(tmplog, dst + maxsize,
1978 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01001979 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02001980 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01001981 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02001982 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001983 }
1984 LOGCHAR('}');
William Lallemand51b5dca2012-03-26 17:52:55 +02001985 if (tmp->options & LOG_OPT_QUOTE)
1986 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01001987 last_isspace = 0;
1988 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01001989 break;
1990
William Lallemand1d705562012-03-12 12:46:41 +01001991 case LOG_FMT_HDRREQUESTLIST: // %hrl
William Lallemandbddd4fd2012-02-27 11:23:10 +01001992 /* request header list */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001993 if (fe->nb_req_cap && s->req_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01001994 for (hdr = 0; hdr < fe->nb_req_cap; hdr++) {
1995 if (hdr > 0)
1996 LOGCHAR(' ');
1997 if (tmp->options & LOG_OPT_QUOTE)
1998 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02001999 if (s->req_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002000 ret = lf_encode_string(tmplog, dst + maxsize,
2001 '#', hdr_encode_map, s->req_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002002 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002003 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002004 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002005 } else if (!(tmp->options & LOG_OPT_QUOTE))
2006 LOGCHAR('-');
2007 if (tmp->options & LOG_OPT_QUOTE)
2008 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002009 last_isspace = 0;
2010 }
2011 }
2012 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002013
William Lallemand1d705562012-03-12 12:46:41 +01002014
2015 case LOG_FMT_HDRRESPONS: // %hs
William Lallemandbddd4fd2012-02-27 11:23:10 +01002016 /* response header */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002017 if (fe->nb_rsp_cap && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002018 if (tmp->options & LOG_OPT_QUOTE)
2019 LOGCHAR('"');
2020 LOGCHAR('{');
2021 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2022 if (hdr)
2023 LOGCHAR('|');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002024 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002025 ret = lf_encode_string(tmplog, dst + maxsize,
2026 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002027 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002028 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002029 tmplog = ret;
William Lallemand51b5dca2012-03-26 17:52:55 +02002030 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002031 }
2032 LOGCHAR('}');
2033 last_isspace = 0;
2034 if (tmp->options & LOG_OPT_QUOTE)
2035 LOGCHAR('"');
2036 }
William Lallemandbddd4fd2012-02-27 11:23:10 +01002037 break;
2038
William Lallemand1d705562012-03-12 12:46:41 +01002039 case LOG_FMT_HDRRESPONSLIST: // %hsl
William Lallemandbddd4fd2012-02-27 11:23:10 +01002040 /* response header list */
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002041 if (fe->nb_rsp_cap && s->res_cap) {
William Lallemandbddd4fd2012-02-27 11:23:10 +01002042 for (hdr = 0; hdr < fe->nb_rsp_cap; hdr++) {
2043 if (hdr > 0)
2044 LOGCHAR(' ');
2045 if (tmp->options & LOG_OPT_QUOTE)
2046 LOGCHAR('"');
Willy Tarreaucb7dd012015-04-03 22:16:32 +02002047 if (s->res_cap[hdr] != NULL) {
Dragan Dosen835b9212016-02-12 13:23:03 +01002048 ret = lf_encode_string(tmplog, dst + maxsize,
2049 '#', hdr_encode_map, s->res_cap[hdr], tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002050 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002051 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002052 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002053 } else if (!(tmp->options & LOG_OPT_QUOTE))
2054 LOGCHAR('-');
2055 if (tmp->options & LOG_OPT_QUOTE)
2056 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002057 last_isspace = 0;
2058 }
2059 }
2060 break;
2061
William Lallemand1d705562012-03-12 12:46:41 +01002062 case LOG_FMT_REQ: // %r
William Lallemandbddd4fd2012-02-27 11:23:10 +01002063 /* Request */
2064 if (tmp->options & LOG_OPT_QUOTE)
2065 LOGCHAR('"');
Willy Tarreau57bc8912016-04-25 17:09:40 +02002066 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Dragan Dosen835b9212016-02-12 13:23:03 +01002067 ret = lf_encode_string(tmplog, dst + maxsize,
2068 '#', url_encode_map, uri, tmp);
William Lallemand1d705562012-03-12 12:46:41 +01002069 if (ret == NULL || *ret != '\0')
William Lallemand51b5dca2012-03-26 17:52:55 +02002070 goto out;
William Lallemand1d705562012-03-12 12:46:41 +01002071 tmplog = ret;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002072 if (tmp->options & LOG_OPT_QUOTE)
2073 LOGCHAR('"');
William Lallemandbddd4fd2012-02-27 11:23:10 +01002074 last_isspace = 0;
2075 break;
William Lallemand5f232402012-04-05 18:02:55 +02002076
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002077 case LOG_FMT_HTTP_PATH: // %HP
Willy Tarreau57bc8912016-04-25 17:09:40 +02002078 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002079
Willy Tarreaub7636d12015-06-17 19:58:02 +02002080 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002081 LOGCHAR('"');
2082
2083 end = uri + strlen(uri);
2084 // look for the first whitespace character
2085 while (uri < end && !HTTP_IS_SPHT(*uri))
2086 uri++;
2087
2088 // keep advancing past multiple spaces
2089 while (uri < end && HTTP_IS_SPHT(*uri)) {
2090 uri++; nspaces++;
2091 }
2092
2093 // look for first space or question mark after url
2094 spc = uri;
2095 while (spc < end && *spc != '?' && !HTTP_IS_SPHT(*spc))
2096 spc++;
2097
Nenad Merdanovic54e439f2016-04-26 01:39:02 +02002098 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002099 chunk.str = "<BADREQ>";
2100 chunk.len = strlen("<BADREQ>");
2101 } else {
2102 chunk.str = uri;
2103 chunk.len = spc - uri;
2104 }
2105
Dragan Dosen835b9212016-02-12 13:23:03 +01002106 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002107 if (ret == NULL || *ret != '\0')
2108 goto out;
2109
2110 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002111 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002112 LOGCHAR('"');
2113
2114 last_isspace = 0;
2115 break;
2116
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002117 case LOG_FMT_HTTP_QUERY: // %HQ
2118 if (tmp->options & LOG_OPT_QUOTE)
2119 LOGCHAR('"');
2120
Willy Tarreau57bc8912016-04-25 17:09:40 +02002121 if (!txn || !txn->uri) {
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002122 chunk.str = "<BADREQ>";
2123 chunk.len = strlen("<BADREQ>");
2124 } else {
2125 uri = txn->uri;
2126 end = uri + strlen(uri);
2127 // look for the first question mark
2128 while (uri < end && *uri != '?')
2129 uri++;
2130
2131 qmark = uri;
2132 // look for first space or question mark after url
2133 while (uri < end && !HTTP_IS_SPHT(*uri))
2134 uri++;
2135
2136 chunk.str = qmark;
2137 chunk.len = uri - qmark;
2138 }
2139
Dragan Dosen835b9212016-02-12 13:23:03 +01002140 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworthe63ac872015-07-31 16:14:16 +00002141 if (ret == NULL || *ret != '\0')
2142 goto out;
2143
2144 tmplog = ret;
2145 if (tmp->options & LOG_OPT_QUOTE)
2146 LOGCHAR('"');
2147
2148 last_isspace = 0;
2149 break;
2150
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002151 case LOG_FMT_HTTP_URI: // %HU
Willy Tarreau57bc8912016-04-25 17:09:40 +02002152 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002153
Willy Tarreaub7636d12015-06-17 19:58:02 +02002154 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002155 LOGCHAR('"');
2156
2157 end = uri + strlen(uri);
2158 // look for the first whitespace character
2159 while (uri < end && !HTTP_IS_SPHT(*uri))
2160 uri++;
2161
2162 // keep advancing past multiple spaces
2163 while (uri < end && HTTP_IS_SPHT(*uri)) {
2164 uri++; nspaces++;
2165 }
2166
2167 // look for first space after url
2168 spc = uri;
2169 while (spc < end && !HTTP_IS_SPHT(*spc))
2170 spc++;
2171
Willy Tarreau57bc8912016-04-25 17:09:40 +02002172 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002173 chunk.str = "<BADREQ>";
2174 chunk.len = strlen("<BADREQ>");
2175 } else {
2176 chunk.str = uri;
2177 chunk.len = spc - uri;
2178 }
2179
Dragan Dosen835b9212016-02-12 13:23:03 +01002180 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002181 if (ret == NULL || *ret != '\0')
2182 goto out;
2183
2184 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002185 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002186 LOGCHAR('"');
2187
2188 last_isspace = 0;
2189 break;
2190
2191 case LOG_FMT_HTTP_METHOD: // %HM
Willy Tarreau57bc8912016-04-25 17:09:40 +02002192 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002193 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002194 LOGCHAR('"');
2195
2196 end = uri + strlen(uri);
2197 // look for the first whitespace character
2198 spc = uri;
2199 while (spc < end && !HTTP_IS_SPHT(*spc))
2200 spc++;
2201
2202 if (spc == end) { // odd case, we have txn->uri, but we only got a verb
2203 chunk.str = "<BADREQ>";
2204 chunk.len = strlen("<BADREQ>");
2205 } else {
2206 chunk.str = uri;
2207 chunk.len = spc - uri;
2208 }
2209
Dragan Dosen835b9212016-02-12 13:23:03 +01002210 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002211 if (ret == NULL || *ret != '\0')
2212 goto out;
2213
2214 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002215 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002216 LOGCHAR('"');
2217
2218 last_isspace = 0;
2219 break;
2220
2221 case LOG_FMT_HTTP_VERSION: // %HV
Willy Tarreau57bc8912016-04-25 17:09:40 +02002222 uri = txn && txn->uri ? txn->uri : "<BADREQ>";
Willy Tarreaub7636d12015-06-17 19:58:02 +02002223 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002224 LOGCHAR('"');
2225
2226 end = uri + strlen(uri);
2227 // look for the first whitespace character
2228 while (uri < end && !HTTP_IS_SPHT(*uri))
2229 uri++;
2230
2231 // keep advancing past multiple spaces
2232 while (uri < end && HTTP_IS_SPHT(*uri)) {
2233 uri++; nspaces++;
2234 }
2235
2236 // look for the next whitespace character
2237 while (uri < end && !HTTP_IS_SPHT(*uri))
2238 uri++;
2239
2240 // keep advancing past multiple spaces
2241 while (uri < end && HTTP_IS_SPHT(*uri))
2242 uri++;
2243
Willy Tarreau57bc8912016-04-25 17:09:40 +02002244 if (!txn || !txn->uri || nspaces == 0) {
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002245 chunk.str = "<BADREQ>";
2246 chunk.len = strlen("<BADREQ>");
2247 } else if (uri == end) {
2248 chunk.str = "HTTP/0.9";
2249 chunk.len = strlen("HTTP/0.9");
2250 } else {
2251 chunk.str = uri;
2252 chunk.len = end - uri;
2253 }
2254
Dragan Dosen835b9212016-02-12 13:23:03 +01002255 ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002256 if (ret == NULL || *ret != '\0')
2257 goto out;
2258
2259 tmplog = ret;
Willy Tarreaub7636d12015-06-17 19:58:02 +02002260 if (tmp->options & LOG_OPT_QUOTE)
Andrew Hayworth0ebc55f2015-04-27 21:37:03 +00002261 LOGCHAR('"');
2262
2263 last_isspace = 0;
2264 break;
2265
William Lallemand5f232402012-04-05 18:02:55 +02002266 case LOG_FMT_COUNTER: // %rt
2267 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreau1f0da242014-01-25 11:01:50 +01002268 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", s->uniq_id);
William Lallemand5f232402012-04-05 18:02:55 +02002269 if (iret < 0 || iret > dst + maxsize - tmplog)
2270 goto out;
2271 last_isspace = 0;
2272 tmplog += iret;
2273 } else {
Willy Tarreau1f0da242014-01-25 11:01:50 +01002274 ret = ltoa_o(s->uniq_id, tmplog, dst + maxsize - tmplog);
William Lallemand5f232402012-04-05 18:02:55 +02002275 if (ret == NULL)
2276 goto out;
2277 tmplog = ret;
2278 last_isspace = 0;
2279 }
2280 break;
2281
Willy Tarreau7346acb2014-08-28 15:03:15 +02002282 case LOG_FMT_LOGCNT: // %lc
2283 if (tmp->options & LOG_OPT_HEXA) {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002284 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", fe->log_count);
Willy Tarreau7346acb2014-08-28 15:03:15 +02002285 if (iret < 0 || iret > dst + maxsize - tmplog)
2286 goto out;
2287 last_isspace = 0;
2288 tmplog += iret;
2289 } else {
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002290 ret = ultoa_o(fe->log_count, tmplog, dst + maxsize - tmplog);
Willy Tarreau7346acb2014-08-28 15:03:15 +02002291 if (ret == NULL)
2292 goto out;
2293 tmplog = ret;
2294 last_isspace = 0;
2295 }
2296 break;
2297
William Lallemand5f232402012-04-05 18:02:55 +02002298 case LOG_FMT_HOSTNAME: // %H
2299 src = hostname;
2300 ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
2301 if (ret == NULL)
2302 goto out;
2303 tmplog = ret;
2304 last_isspace = 0;
2305 break;
2306
2307 case LOG_FMT_PID: // %pid
2308 if (tmp->options & LOG_OPT_HEXA) {
2309 iret = snprintf(tmplog, dst + maxsize - tmplog, "%04X", pid);
2310 if (iret < 0 || iret > dst + maxsize - tmplog)
2311 goto out;
2312 last_isspace = 0;
2313 tmplog += iret;
2314 } else {
2315 ret = ltoa_o(pid, tmplog, dst + maxsize - tmplog);
2316 if (ret == NULL)
2317 goto out;
2318 tmplog = ret;
2319 last_isspace = 0;
2320 }
2321 break;
William Lallemanda73203e2012-03-12 12:48:57 +01002322
2323 case LOG_FMT_UNIQUEID: // %ID
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002324 ret = NULL;
William Lallemanda73203e2012-03-12 12:48:57 +01002325 src = s->unique_id;
Thierry FOURNIER1be69102014-04-15 01:38:48 +02002326 ret = lf_text(tmplog, src, maxsize - (tmplog - dst), tmp);
William Lallemanda73203e2012-03-12 12:48:57 +01002327 if (ret == NULL)
2328 goto out;
2329 tmplog = ret;
2330 last_isspace = 0;
2331 break;
2332
William Lallemandbddd4fd2012-02-27 11:23:10 +01002333 }
2334 }
2335
2336out:
William Lallemand1d705562012-03-12 12:46:41 +01002337 /* *tmplog is a unused character */
2338 *tmplog = '\0';
Willy Tarreaudf974472012-12-28 02:44:01 +01002339 return tmplog - dst;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002340
Willy Tarreaubaaee002006-06-26 02:48:02 +02002341}
2342
William Lallemand1d705562012-03-12 12:46:41 +01002343/*
Willy Tarreau87b09662015-04-03 00:22:06 +02002344 * send a log for the stream when we have enough info about it.
William Lallemand1d705562012-03-12 12:46:41 +01002345 * Will not log if the frontend has no log defined.
2346 */
Willy Tarreau87b09662015-04-03 00:22:06 +02002347void strm_log(struct stream *s)
William Lallemand1d705562012-03-12 12:46:41 +01002348{
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002349 struct session *sess = s->sess;
William Lallemand1d705562012-03-12 12:46:41 +01002350 int size, err, level;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002351 int sd_size = 0;
William Lallemand1d705562012-03-12 12:46:41 +01002352
2353 /* if we don't want to log normal traffic, return now */
Willy Tarreaue7dff022015-04-03 01:14:29 +02002354 err = (s->flags & SF_REDISP) ||
2355 ((s->flags & SF_ERR_MASK) > SF_ERR_LOCAL) ||
2356 (((s->flags & SF_ERR_MASK) == SF_ERR_NONE) &&
Willy Tarreau350f4872014-11-28 14:42:25 +01002357 (s->si[1].conn_retries != s->be->conn_retries)) ||
Willy Tarreaueee5b512015-04-03 23:46:31 +02002358 ((sess->fe->mode == PR_MODE_HTTP) && s->txn && s->txn->status >= 500);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002359
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002360 if (!err && (sess->fe->options2 & PR_O2_NOLOGNORM))
William Lallemand1d705562012-03-12 12:46:41 +01002361 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002362
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002363 if (LIST_ISEMPTY(&sess->fe->logsrvs))
William Lallemand1d705562012-03-12 12:46:41 +01002364 return;
William Lallemandbddd4fd2012-02-27 11:23:10 +01002365
Willy Tarreauabcd5142013-06-11 17:18:02 +02002366 if (s->logs.level) { /* loglevel was overridden */
2367 if (s->logs.level == -1) {
2368 s->logs.logwait = 0; /* logs disabled */
2369 return;
2370 }
2371 level = s->logs.level - 1;
2372 }
2373 else {
2374 level = LOG_INFO;
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002375 if (err && (sess->fe->options2 & PR_O2_LOGERRORS))
Willy Tarreauabcd5142013-06-11 17:18:02 +02002376 level = LOG_ERR;
2377 }
William Lallemand1d705562012-03-12 12:46:41 +01002378
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002379 /* if unique-id was not generated */
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002380 if (!s->unique_id && !LIST_ISEMPTY(&sess->fe->format_unique_id)) {
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002381 if ((s->unique_id = pool_alloc2(pool2_uniqueid)) != NULL)
Willy Tarreaue36cbcb2015-04-03 15:40:56 +02002382 build_logline(s, s->unique_id, UNIQUEID_LEN, &sess->fe->format_unique_id);
William Lallemand5b7ea3a2013-08-28 15:44:19 +02002383 }
2384
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002385 if (!LIST_ISEMPTY(&sess->fe->logformat_sd)) {
2386 sd_size = build_logline(s, logline_rfc5424, global.max_syslog_len,
2387 &sess->fe->logformat_sd);
2388 }
2389
Dragan Dosen59cee972015-09-19 22:09:02 +02002390 size = build_logline(s, logline, global.max_syslog_len, &sess->fe->logformat);
William Lallemand1d705562012-03-12 12:46:41 +01002391 if (size > 0) {
Christopher Fauletff8abcd2017-06-02 15:33:24 +02002392 HA_ATOMIC_ADD(&sess->fe->log_count, 1);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002393 __send_log(sess->fe, level, logline, size + 1, logline_rfc5424, sd_size);
William Lallemand1d705562012-03-12 12:46:41 +01002394 s->logs.logwait = 0;
2395 }
2396}
William Lallemandbddd4fd2012-02-27 11:23:10 +01002397
Christopher Fauletc1b730a2017-10-24 12:00:51 +02002398static int cli_io_handler_show_startup_logs(struct appctx *appctx)
2399{
2400 struct stream_interface *si = appctx->owner;
2401 const char *msg = (startup_logs ? startup_logs : "No startup alerts/warnings.\n");
2402
2403 if (ci_putstr(si_ic(si), msg) == -1) {
2404 si_applet_cant_put(si);
2405 return 0;
2406 }
2407 return 1;
2408}
2409
2410/* register cli keywords */
2411static struct cli_kw_list cli_kws = {{ },{
2412 { { "show", "startup-logs", NULL },
2413 "show startup-logs : report logs emitted during HAProxy startup",
2414 NULL, cli_io_handler_show_startup_logs },
2415 {{},}
2416}};
2417
2418__attribute__((constructor))
2419static void __log_init(void)
2420{
Christopher Fauletcd7879a2017-10-27 13:53:47 +02002421 hap_register_per_thread_init(init_log_buffers_per_thread);
2422 hap_register_per_thread_deinit(deinit_log_buffers_per_thread);
Christopher Fauletc1b730a2017-10-24 12:00:51 +02002423 cli_register_kw(&cli_kws);
2424}
Willy Tarreaubaaee002006-06-26 02:48:02 +02002425/*
2426 * Local variables:
2427 * c-indent-level: 8
2428 * c-basic-offset: 8
2429 * End:
2430 */