blob: 63e150f38821115adf7fc8561b38c777844e5ab2 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Configuration parser
3 *
Willy Tarreauff011f22011-01-06 17:51:27 +01004 * Copyright 2000-2011 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 Tarreaue5733232019-05-22 19:24:06 +020013#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +020014/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
Willy Tarreaue5733232019-05-22 19:24:06 +020017#ifdef USE_CRYPT_H
Cyril Bonté1a0191d2014-08-29 20:20:02 +020018/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
Willy Tarreaue5733232019-05-22 19:24:06 +020021#endif /* USE_LIBCRYPT */
Cyril Bonté1a0191d2014-08-29 20:20:02 +020022
Willy Tarreaubaaee002006-06-26 02:48:02 +020023#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <netdb.h>
27#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020028#include <pwd.h>
29#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020030#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020031#include <sys/types.h>
32#include <sys/stat.h>
33#include <fcntl.h>
34#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035
Willy Tarreau2dd0d472006-06-29 17:53:05 +020036#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020037#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020038#include <common/config.h>
Willy Tarreau058e9072009-07-20 09:30:05 +020039#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020040#include <common/memory.h>
41#include <common/standard.h>
42#include <common/time.h>
43#include <common/uri_auth.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010044#include <common/namespace.h>
Emeric Brunc60def82017-09-27 14:59:38 +020045#include <common/hathreads.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046
47#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020048#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <types/global.h>
Willy Tarreau3fdb3662012-11-12 00:42:33 +010050#include <types/obj_type.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020051#include <types/peers.h>
Simon Horman0d16a402015-01-30 11:22:58 +090052#include <types/mailers.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +020053#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <types/stats.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020055
Willy Tarreaueb0c6142007-05-07 00:53:22 +020056#include <proto/acl.h>
Christopher Faulet4fce0d82017-09-18 11:57:31 +020057#include <proto/action.h>
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010058#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020059#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020060#include <proto/channel.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020061#include <proto/checks.h>
Baptiste Assmann201c07f2017-05-22 15:17:15 +020062#include <proto/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010063#include <proto/stats.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020064#include <proto/filters.h>
Willy Tarreaueb472682010-05-28 18:46:57 +020065#include <proto/frontend.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020066#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020067#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010068#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020069#include <proto/lb_fwlc.h>
70#include <proto/lb_fwrr.h>
71#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020072#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020073#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020074#include <proto/protocol.h>
Christopher Fauletfc9cfe42019-07-16 14:54:53 +020075#include <proto/http_ana.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010076#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020077#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020078#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020079#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020080#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020081#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010082#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010083#include <proto/task.h>
84#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020085#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020086
87
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +010088/* Used to chain configuration sections definitions. This list
89 * stores struct cfg_section
90 */
91struct list sections = LIST_HEAD_INIT(sections);
92
William Lallemand48b4bb42017-10-23 14:36:34 +020093struct list postparsers = LIST_HEAD_INIT(postparsers);
94
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +010095char *cursection = NULL;
96struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreauc8d5b952019-02-27 17:25:52 +010097int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +010098int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +010099char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200100
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200101/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100102struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200103 .list = LIST_HEAD_INIT(cfg_keywords.list)
104};
105
Willy Tarreaubaaee002006-06-26 02:48:02 +0200106/*
107 * converts <str> to a list of listeners which are dynamically allocated.
108 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
109 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
110 * - <port> is a numerical port from 1 to 65535 ;
111 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
112 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200113 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
114 * not NULL, it must be a valid pointer to either NULL or a freeable area that
115 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200116 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200117int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200118{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100119 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200120 int port, end;
121
122 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200123
Willy Tarreaubaaee002006-06-26 02:48:02 +0200124 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100125 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200126 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100127 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200128
129 str = next;
130 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100131 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200132 *next++ = 0;
133 }
134
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100135 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200136 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200137 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100138 if (!ss2)
139 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200140
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100141 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100142 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200143 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100144 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200145 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200146
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100147 if (!port || !end) {
148 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
149 goto fail;
150 }
151
Emeric Bruned760922010-10-22 17:59:25 +0200152 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200153 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200154 goto fail;
155 }
156
157 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200158 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200159 goto fail;
160 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200161 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100162 else if (ss2->ss_family == AF_UNSPEC) {
163 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100164 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100165
166 /* We want to attach to an already bound fd whose number
167 * is in the addr part of ss2 when cast to sockaddr_in.
168 * Note that by definition there is a single listener.
169 * We still have to determine the address family to
170 * register the correct protocol.
171 */
172 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
173 addr_len = sizeof(*ss2);
174 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
175 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
176 goto fail;
177 }
178
179 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200180
181 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
182 socklen_t addr_len;
183 inherited = 1;
184
185 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
186 addr_len = sizeof(*ss2);
187 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
188 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
189 goto fail;
190 }
191
192 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
193 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100194 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200195
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100196 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100197 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200198 memprintf(err, "%s for address '%s'.\n", *err, str);
199 goto fail;
200 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200201 } /* end while(next) */
202 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200203 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200204 fail:
205 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200206 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200207}
208
William Lallemand6e62fb62015-04-28 16:55:23 +0200209/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100210 * Report an error in <msg> when there are too many arguments. This version is
211 * intended to be used by keyword parsers so that the message will be included
212 * into the general error message. The index is the current keyword in args.
213 * Return 0 if the number of argument is correct, otherwise build a message and
214 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
215 * message may also be null, it will simply not be produced (useful to check only).
216 * <msg> and <err_code> are only affected on error.
217 */
218int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
219{
220 int i;
221
222 if (!*args[index + maxarg + 1])
223 return 0;
224
225 if (msg) {
226 *msg = NULL;
227 memprintf(msg, "%s", args[0]);
228 for (i = 1; i <= index; i++)
229 memprintf(msg, "%s %s", *msg, args[i]);
230
231 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
232 }
233 if (err_code)
234 *err_code |= ERR_ALERT | ERR_FATAL;
235
236 return 1;
237}
238
239/*
240 * same as too_many_args_idx with a 0 index
241 */
242int too_many_args(int maxarg, char **args, char **msg, int *err_code)
243{
244 return too_many_args_idx(maxarg, 0, args, msg, err_code);
245}
246
247/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200248 * Report a fatal Alert when there is too much arguments
249 * The index is the current keyword in args
250 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
251 * Fill err_code with an ERR_ALERT and an ERR_FATAL
252 */
253int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
254{
255 char *kw = NULL;
256 int i;
257
258 if (!*args[index + maxarg + 1])
259 return 0;
260
261 memprintf(&kw, "%s", args[0]);
262 for (i = 1; i <= index; i++) {
263 memprintf(&kw, "%s %s", kw, args[i]);
264 }
265
Christopher Faulet767a84b2017-11-24 16:50:31 +0100266 ha_alert("parsing [%s:%d] : '%s' cannot handle unexpected argument '%s'.\n", file, linenum, kw, args[index + maxarg + 1]);
William Lallemand6e62fb62015-04-28 16:55:23 +0200267 free(kw);
268 *err_code |= ERR_ALERT | ERR_FATAL;
269 return 1;
270}
271
272/*
273 * same as alertif_too_many_args_idx with a 0 index
274 */
275int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
276{
277 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
278}
279
Willy Tarreau61d18892009-03-31 10:49:21 +0200280
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100281/* Report it if a request ACL condition uses some keywords that are incompatible
282 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
283 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
284 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100285 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100286int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100287{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100288 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200289 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100290
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100291 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100292 return 0;
293
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100294 acl = acl_cond_conflicts(cond, where);
295 if (acl) {
296 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
298 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100299 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100300 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
301 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100302 return ERR_WARN;
303 }
304 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100305 return 0;
306
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100307 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100308 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
309 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100310 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100311 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
312 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100313 return ERR_WARN;
314}
315
Christopher Faulet62519022017-10-16 15:49:32 +0200316/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100317 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100318 * two such numbers delimited by a dash ('-'). On success, it returns
319 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200320 *
321 * Note: this function can also be used to parse a thread number or a set of
322 * threads.
323 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100324int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200325{
Christopher Faulet26028f62017-11-22 15:01:51 +0100326 if (autoinc) {
327 *autoinc = 0;
328 if (strncmp(arg, "auto:", 5) == 0) {
329 arg += 5;
330 *autoinc = 1;
331 }
332 }
333
Christopher Faulet62519022017-10-16 15:49:32 +0200334 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100335 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200336 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100337 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200338 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100339 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200340 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100341 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100342 unsigned int low, high;
343
Christopher Faulet18cca782019-02-07 16:29:41 +0100344 for (p = arg; *p; p++) {
345 if (*p == '-' && !dash)
346 dash = p;
Willy Tarreau90807112020-02-25 08:16:33 +0100347 else if (!isdigit((unsigned char)*p)) {
Christopher Faulet18cca782019-02-07 16:29:41 +0100348 memprintf(err, "'%s' is not a valid number/range.", arg);
349 return -1;
350 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100351 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100352
353 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100354 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100355 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100356
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100357 if (high < low) {
358 unsigned int swap = low;
359 low = high;
360 high = swap;
361 }
362
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100363 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100364 memprintf(err, "'%s' is not a valid number/range."
365 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100366 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100367 return 1;
368 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100369
370 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100371 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200372 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100373 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100374
Christopher Faulet5ab51772017-11-22 11:21:58 +0100375 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200376}
377
David Carlier7e351ee2017-12-01 09:14:02 +0000378#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200379/* Parse cpu sets. Each CPU set is either a unique number between 0 and
380 * <LONGBITS> or a range with two such numbers delimited by a dash
381 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
382 * returns 0. otherwise it returns 1 with an error message in <err>.
383 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100384unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200385{
386 int cur_arg = 0;
387
388 *cpu_set = 0;
389 while (*args[cur_arg]) {
390 char *dash;
391 unsigned int low, high;
392
Willy Tarreau90807112020-02-25 08:16:33 +0100393 if (!isdigit((unsigned char)*args[cur_arg])) {
Christopher Faulet62519022017-10-16 15:49:32 +0200394 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
395 return -1;
396 }
397
398 low = high = str2uic(args[cur_arg]);
399 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100400 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200401
402 if (high < low) {
403 unsigned int swap = low;
404 low = high;
405 high = swap;
406 }
407
408 if (high >= LONGBITS) {
409 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
410 return 1;
411 }
412
413 while (low <= high)
414 *cpu_set |= 1UL << low++;
415
416 cur_arg++;
417 }
418 return 0;
419}
David Carlier7e351ee2017-12-01 09:14:02 +0000420#endif
421
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200422void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200423{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100424 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200425 defproxy.mode = PR_MODE_TCP;
426 defproxy.state = PR_STNEW;
427 defproxy.maxconn = cfg_maxpconn;
428 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700429 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100430 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100431 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100432
Simon Horman66183002013-02-23 10:16:43 +0900433 defproxy.defsrv.check.inter = DEF_CHKINTR;
434 defproxy.defsrv.check.fastinter = 0;
435 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900436 defproxy.defsrv.agent.inter = DEF_CHKINTR;
437 defproxy.defsrv.agent.fastinter = 0;
438 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900439 defproxy.defsrv.check.rise = DEF_RISETIME;
440 defproxy.defsrv.check.fall = DEF_FALLTIME;
441 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
442 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200443 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900444 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100445 defproxy.defsrv.maxqueue = 0;
446 defproxy.defsrv.minconn = 0;
447 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100448 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100449 defproxy.defsrv.max_idle_conns = -1;
Willy Tarreau975b1552019-06-06 16:25:55 +0200450 defproxy.defsrv.pool_purge_delay = 5000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100451 defproxy.defsrv.slowstart = 0;
452 defproxy.defsrv.onerror = DEF_HANA_ONERR;
453 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
454 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900455
456 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200457 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200458}
459
Frédéric Lécaille18251032019-01-11 11:07:15 +0100460/* Allocate and initialize the frontend of a "peers" section found in
461 * file <file> at line <linenum> with <id> as ID.
462 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200463 * Note that this function may be called from "default-server"
464 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100465 */
466static int init_peers_frontend(const char *file, int linenum,
467 const char *id, struct peers *peers)
468{
469 struct proxy *p;
470
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200471 if (peers->peers_fe) {
472 p = peers->peers_fe;
473 goto out;
474 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100475
Frédéric Lécaille18251032019-01-11 11:07:15 +0100476 p = calloc(1, sizeof *p);
477 if (!p) {
478 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
479 return -1;
480 }
481
482 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200483 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100484 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200485 /* Finally store this frontend. */
486 peers->peers_fe = p;
487
488 out:
489 if (id && !p->id)
490 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200491 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100492 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100493 if (linenum != -1)
494 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100495
496 return 0;
497}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100498
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100499/* Only change ->file, ->line and ->arg struct bind_conf member values
500 * if already present.
501 */
502static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
503 const char *file, int line,
504 const char *arg, struct xprt_ops *xprt)
505{
506 struct bind_conf *bind_conf;
507
508 if (!LIST_ISEMPTY(&p->conf.bind)) {
509 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
510 free(bind_conf->file);
511 bind_conf->file = strdup(file);
512 bind_conf->line = line;
513 if (arg) {
514 free(bind_conf->arg);
515 bind_conf->arg = strdup(arg);
516 }
517 }
518 else {
519 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
520 }
521
522 return bind_conf;
523}
524
525/*
526 * Allocate a new struct peer parsed at line <linenum> in file <file>
527 * to be added to <peers>.
528 * Returns the new allocated structure if succeeded, NULL if not.
529 */
530static struct peer *cfg_peers_add_peer(struct peers *peers,
531 const char *file, int linenum,
532 const char *id, int local)
533{
534 struct peer *p;
535
536 p = calloc(1, sizeof *p);
537 if (!p) {
538 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
539 return NULL;
540 }
541
542 /* the peers are linked backwards first */
543 peers->count++;
544 p->next = peers->remote;
545 peers->remote = p;
546 p->conf.file = strdup(file);
547 p->conf.line = linenum;
548 p->last_change = now.tv_sec;
549 p->xprt = xprt_get(XPRT_RAW);
550 p->sock_init_arg = NULL;
551 HA_SPIN_INIT(&p->lock);
552 if (id)
553 p->id = strdup(id);
554 if (local) {
555 p->local = 1;
556 peers->local = p;
557 }
558
559 return p;
560}
561
Willy Tarreaubaaee002006-06-26 02:48:02 +0200562/*
William Lallemand51097192015-04-14 16:35:22 +0200563 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200564 * Returns the error code, 0 if OK, or any combination of :
565 * - ERR_ABORT: must abort ASAP
566 * - ERR_FATAL: we can continue parsing but not start the service
567 * - ERR_WARN: a warning has been emitted
568 * - ERR_ALERT: an alert has been emitted
569 * Only the two first ones can stop processing, the two others are just
570 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200571 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200572int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
573{
574 static struct peers *curpeers = NULL;
575 struct peer *newpeer = NULL;
576 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200577 struct bind_conf *bind_conf;
578 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200579 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100580 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100581 static int bind_line, peer_line;
582
583 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
584 int cur_arg;
585 static int kws_dumped;
586 struct bind_conf *bind_conf;
587 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200588
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100589 cur_arg = 1;
590
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200591 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
592 err_code |= ERR_ALERT | ERR_ABORT;
593 goto out;
594 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100595
596 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
597 NULL, xprt_get(XPRT_RAW));
598 if (*args[0] == 'b') {
599 struct listener *l;
600
601 if (peer_line) {
602 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
603 err_code |= ERR_ALERT | ERR_FATAL;
604 goto out;
605 }
606
607 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
608 if (errmsg && *errmsg) {
609 indent_msg(&errmsg, 2);
610 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
611 }
612 else
613 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
614 file, linenum, args[0], args[1], args[2]);
615 err_code |= ERR_FATAL;
616 goto out;
617 }
618 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
619 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100620 l->accept = session_accept_fd;
621 l->analysers |= curpeers->peers_fe->fe_req_ana;
622 l->default_target = curpeers->peers_fe->default_target;
623 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100624 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100625
626 bind_line = 1;
627 if (cfg_peers->local) {
628 newpeer = cfg_peers->local;
629 }
630 else {
631 /* This peer is local.
632 * Note that we do not set the peer ID. This latter is initialized
633 * when parsing "peer" or "server" line.
634 */
635 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
636 if (!newpeer) {
637 err_code |= ERR_ALERT | ERR_ABORT;
638 goto out;
639 }
640 }
641 newpeer->addr = l->addr;
642 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
643 cur_arg++;
644 }
645
646 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
647 int ret;
648
649 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
650 err_code |= ret;
651 if (ret) {
652 if (errmsg && *errmsg) {
653 indent_msg(&errmsg, 2);
654 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
655 }
656 else
657 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
658 file, linenum, args[cur_arg]);
659 if (ret & ERR_FATAL)
660 goto out;
661 }
662 cur_arg += 1 + kw->skip;
663 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100664 if (*args[cur_arg] != 0) {
Tim Duesterhus04bcaa12019-05-12 22:54:50 +0200665 char *kws = NULL;
666
667 if (!kws_dumped) {
668 kws_dumped = 1;
669 bind_dump_kws(&kws);
670 indent_msg(&kws, 4);
671 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100672 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
673 file, linenum, args[cur_arg], cursection,
674 kws ? " Registered keywords :" : "", kws ? kws: "");
675 free(kws);
676 err_code |= ERR_ALERT | ERR_FATAL;
677 goto out;
678 }
679 }
680 else if (strcmp(args[0], "default-server") == 0) {
681 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
682 err_code |= ERR_ALERT | ERR_ABORT;
683 goto out;
684 }
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200685 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0, 1);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200686 }
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100687 else if (strcmp(args[0], "log") == 0) {
688 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
689 err_code |= ERR_ALERT | ERR_ABORT;
690 goto out;
691 }
692 if (!parse_logsrv(args, &curpeers->peers_fe->logsrvs, (kwm == KWM_NO), &errmsg)) {
693 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
694 err_code |= ERR_ALERT | ERR_FATAL;
695 goto out;
696 }
697 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200698 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100699 /* Initialize these static variables when entering a new "peers" section*/
700 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100701 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100702 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100703 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100704 goto out;
705 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200706
William Lallemand6e62fb62015-04-28 16:55:23 +0200707 if (alertif_too_many_args(1, file, linenum, args, &err_code))
708 goto out;
709
Emeric Brun32da3c42010-09-23 18:39:19 +0200710 err = invalid_char(args[1]);
711 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100712 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
713 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100714 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100715 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200716 }
717
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200718 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200719 /*
720 * If there are two proxies with the same name only following
721 * combinations are allowed:
722 */
723 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100724 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
725 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200726 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200727 }
728 }
729
Vincent Bernat02779b62016-04-03 13:48:43 +0200730 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100731 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200732 err_code |= ERR_ALERT | ERR_ABORT;
733 goto out;
734 }
735
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200736 curpeers->next = cfg_peers;
737 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200738 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200739 curpeers->conf.line = linenum;
740 curpeers->last_change = now.tv_sec;
741 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200742 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200743 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200744 else if (strcmp(args[0], "peer") == 0 ||
745 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100746 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200747
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100748 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100749 local_peer = !strcmp(args[1], localpeer);
750 /* The local peer may have already partially been parsed on a "bind" line. */
751 if (*args[0] == 'p') {
752 if (bind_line) {
753 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
754 err_code |= ERR_ALERT | ERR_FATAL;
755 goto out;
756 }
757 peer_line = 1;
758 }
759 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
760 /* The local peer has already been initialized on a "bind" line.
761 * Let's use it and store its ID.
762 */
763 newpeer = cfg_peers->local;
764 newpeer->id = strdup(localpeer);
765 }
766 else {
767 if (local_peer && cfg_peers->local) {
768 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
769 file, linenum, args[0], args[1],
770 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
771 err_code |= ERR_FATAL;
772 goto out;
773 }
774 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
775 if (!newpeer) {
776 err_code |= ERR_ALERT | ERR_ABORT;
777 goto out;
778 }
779 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200780
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100781 /* Line number and peer ID are updated only if this peer is the local one. */
782 if (init_peers_frontend(file,
783 newpeer->local ? linenum: -1,
784 newpeer->local ? newpeer->id : NULL,
785 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200786 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100787 goto out;
788 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100789
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100790 /* This initializes curpeer->peers->peers_fe->srv.
791 * The server address is parsed only if we are parsing a "peer" line,
792 * or if we are parsing a "server" line and the current peer is not the local one.
793 */
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200794 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer, 1);
795 if (!curpeers->peers_fe->srv) {
796 /* Remove the newly allocated peer. */
797 if (newpeer != curpeers->local) {
798 struct peer *p;
799
800 p = curpeers->remote;
801 curpeers->remote = curpeers->remote->next;
802 free(p->id);
803 free(p);
804 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200805 goto out;
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200806 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200807
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100808 /* If the peer address has just been parsed, let's copy it to <newpeer>
809 * and initializes ->proto.
810 */
811 if (peer || !local_peer) {
812 newpeer->addr = curpeers->peers_fe->srv->addr;
813 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
814 }
815
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100816 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200817 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100818 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200819
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100820 newpeer->srv = curpeers->peers_fe->srv;
821 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200822 goto out;
823
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100824 /* The lines above are reserved to "peer" lines. */
825 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200826 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200827
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100828 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100829
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100830 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
831 if (errmsg && *errmsg) {
832 indent_msg(&errmsg, 2);
833 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100834 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100835 else
836 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
837 file, linenum, args[0], args[1], args[2]);
838 err_code |= ERR_FATAL;
839 goto out;
840 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100841
842 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
843 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100844 l->accept = session_accept_fd;
845 l->analysers |= curpeers->peers_fe->fe_req_ana;
846 l->default_target = curpeers->peers_fe->default_target;
847 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100848 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100849 }
850 else if (!strcmp(args[0], "table")) {
851 struct stktable *t, *other;
852 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100853 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100854
855 /* Line number and peer ID are updated only if this peer is the local one. */
856 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
857 err_code |= ERR_ALERT | ERR_ABORT;
858 goto out;
859 }
860
861 other = stktable_find_by_name(args[1]);
862 if (other) {
863 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
864 file, linenum, args[1],
865 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
866 other->proxy ? other->id : other->peers.p->id,
867 other->conf.file, other->conf.line);
868 err_code |= ERR_ALERT | ERR_FATAL;
869 goto out;
870 }
871
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100872 /* Build the stick-table name, concatenating the "peers" section name
873 * followed by a '/' character and the table name argument.
874 */
875 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100876 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100877 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
878 file, linenum, args[0], args[1]);
879 err_code |= ERR_ALERT | ERR_FATAL;
880 goto out;
881 }
882
883 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100884 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100885 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
886 file, linenum, args[0], args[1]);
887 err_code |= ERR_ALERT | ERR_FATAL;
888 goto out;
889 }
890
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100891 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100892 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100893 if (!t || !id) {
894 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
895 file, linenum, args[0], args[1]);
896 err_code |= ERR_ALERT | ERR_FATAL;
897 goto out;
898 }
899
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100900 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100901 if (err_code & ERR_FATAL)
902 goto out;
903
904 stktable_store_name(t);
905 t->next = stktables_list;
906 stktables_list = t;
907 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200908 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
909 curpeers->state = PR_STSTOPPED;
910 }
911 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
912 curpeers->state = PR_STNEW;
913 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200914 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100915 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200916 err_code |= ERR_ALERT | ERR_FATAL;
917 goto out;
918 }
919
920out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100921 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200922 return err_code;
923}
924
Baptiste Assmann325137d2015-04-13 23:40:55 +0200925/*
926 * Parse a <resolvers> section.
927 * Returns the error code, 0 if OK, or any combination of :
928 * - ERR_ABORT: must abort ASAP
929 * - ERR_FATAL: we can continue parsing but not start the service
930 * - ERR_WARN: a warning has been emitted
931 * - ERR_ALERT: an alert has been emitted
932 * Only the two first ones can stop processing, the two others are just
933 * indicators.
934 */
935int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
936{
937 static struct dns_resolvers *curr_resolvers = NULL;
938 struct dns_nameserver *newnameserver = NULL;
939 const char *err;
940 int err_code = 0;
941 char *errmsg = NULL;
942
943 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
944 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100945 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200946 err_code |= ERR_ALERT | ERR_ABORT;
947 goto out;
948 }
949
950 err = invalid_char(args[1]);
951 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100952 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
953 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200954 err_code |= ERR_ALERT | ERR_ABORT;
955 goto out;
956 }
957
958 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
959 /* Error if two resolvers owns the same name */
960 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100961 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
962 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200963 err_code |= ERR_ALERT | ERR_ABORT;
964 }
965 }
966
Vincent Bernat02779b62016-04-03 13:48:43 +0200967 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100968 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200969 err_code |= ERR_ALERT | ERR_ABORT;
970 goto out;
971 }
972
973 /* default values */
974 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
975 curr_resolvers->conf.file = strdup(file);
976 curr_resolvers->conf.line = linenum;
977 curr_resolvers->id = strdup(args[1]);
978 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200979 /* default maximum response size */
980 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100981 /* default hold period for nx, other, refuse and timeout is 30s */
982 curr_resolvers->hold.nx = 30000;
983 curr_resolvers->hold.other = 30000;
984 curr_resolvers->hold.refused = 30000;
985 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200986 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200987 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200988 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200989 curr_resolvers->timeout.resolve = 1000;
990 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200991 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200992 curr_resolvers->nb_nameservers = 0;
993 LIST_INIT(&curr_resolvers->nameservers);
994 LIST_INIT(&curr_resolvers->resolutions.curr);
995 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100996 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200997 }
998 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
999 struct sockaddr_storage *sk;
1000 int port1, port2;
1001 struct protocol *proto;
1002
1003 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001004 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1005 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001006 err_code |= ERR_ALERT | ERR_FATAL;
1007 goto out;
1008 }
1009
1010 err = invalid_char(args[1]);
1011 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001012 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1013 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001014 err_code |= ERR_ALERT | ERR_FATAL;
1015 goto out;
1016 }
1017
Christopher Faulet67957bd2017-09-27 11:00:59 +02001018 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +01001019 /* Error if two resolvers owns the same name */
1020 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001021 ha_alert("Parsing [%s:%d]: nameserver '%s' has same name as another nameserver (declared at %s:%d).\n",
Ben Draut44e609b2018-05-29 15:40:08 -06001022 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +01001023 err_code |= ERR_ALERT | ERR_FATAL;
1024 }
1025 }
1026
Vincent Bernat02779b62016-04-03 13:48:43 +02001027 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001028 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001029 err_code |= ERR_ALERT | ERR_ABORT;
1030 goto out;
1031 }
1032
1033 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +02001034 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001035 newnameserver->resolvers = curr_resolvers;
1036 newnameserver->conf.file = strdup(file);
1037 newnameserver->conf.line = linenum;
1038 newnameserver->id = strdup(args[1]);
1039
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001040 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001041 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001042 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001043 err_code |= ERR_ALERT | ERR_FATAL;
1044 goto out;
1045 }
1046
1047 proto = protocol_by_family(sk->ss_family);
1048 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001049 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +02001050 file, linenum, args[0], args[1]);
1051 err_code |= ERR_ALERT | ERR_FATAL;
1052 goto out;
1053 }
1054
1055 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001056 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1057 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001058 err_code |= ERR_ALERT | ERR_FATAL;
1059 goto out;
1060 }
1061
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001062 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001063 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1064 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001065 err_code |= ERR_ALERT | ERR_FATAL;
1066 goto out;
1067 }
1068
Baptiste Assmann325137d2015-04-13 23:40:55 +02001069 newnameserver->addr = *sk;
1070 }
Ben Draut44e609b2018-05-29 15:40:08 -06001071 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1072 const char *whitespace = "\r\n\t ";
1073 char *resolv_line = NULL;
1074 int resolv_linenum = 0;
1075 FILE *f = NULL;
1076 char *address = NULL;
1077 struct sockaddr_storage *sk = NULL;
1078 struct protocol *proto;
1079 int duplicate_name = 0;
1080
1081 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1082 ha_alert("parsing [%s:%d] : out of memory.\n",
1083 file, linenum);
1084 err_code |= ERR_ALERT | ERR_FATAL;
1085 goto resolv_out;
1086 }
1087
1088 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1089 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1090 file, linenum);
1091 err_code |= ERR_ALERT | ERR_FATAL;
1092 goto resolv_out;
1093 }
1094
1095 sk = calloc(1, sizeof(*sk));
1096 if (sk == NULL) {
1097 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1098 resolv_linenum);
1099 err_code |= ERR_ALERT | ERR_FATAL;
1100 goto resolv_out;
1101 }
1102
1103 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1104 resolv_linenum++;
1105 if (strncmp(resolv_line, "nameserver", 10) != 0)
1106 continue;
1107
1108 address = strtok(resolv_line + 10, whitespace);
1109 if (address == resolv_line + 10)
1110 continue;
1111
1112 if (address == NULL) {
1113 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1114 resolv_linenum);
1115 err_code |= ERR_WARN;
1116 continue;
1117 }
1118
1119 duplicate_name = 0;
1120 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1121 if (strcmp(newnameserver->id, address) == 0) {
1122 ha_warning("Parsing [/etc/resolv.conf:%d] : generated name for /etc/resolv.conf nameserver '%s' conflicts with another nameserver (declared at %s:%d), it appears to be a duplicate and will be excluded.\n",
1123 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1124 err_code |= ERR_WARN;
1125 duplicate_name = 1;
1126 }
1127 }
1128
1129 if (duplicate_name)
1130 continue;
1131
1132 memset(sk, 0, sizeof(*sk));
1133 sk = str2ip2(address, sk, 1);
1134 if (!sk) {
1135 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1136 resolv_linenum, address);
1137 err_code |= ERR_WARN;
1138 continue;
1139 }
1140
1141 set_host_port(sk, 53);
1142
1143 proto = protocol_by_family(sk->ss_family);
1144 if (!proto || !proto->connect) {
1145 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1146 resolv_linenum, address);
1147 err_code |= ERR_WARN;
1148 continue;
1149 }
1150
1151 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1152 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1153 err_code |= ERR_ALERT | ERR_FATAL;
1154 goto resolv_out;
1155 }
1156
1157 newnameserver->conf.file = strdup("/etc/resolv.conf");
1158 if (newnameserver->conf.file == NULL) {
1159 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1160 err_code |= ERR_ALERT | ERR_FATAL;
1161 goto resolv_out;
1162 }
1163
1164 newnameserver->id = strdup(address);
1165 if (newnameserver->id == NULL) {
1166 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1167 err_code |= ERR_ALERT | ERR_FATAL;
1168 goto resolv_out;
1169 }
1170
1171 newnameserver->resolvers = curr_resolvers;
1172 newnameserver->conf.line = resolv_linenum;
1173 newnameserver->addr = *sk;
1174
1175 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1176 }
1177
1178resolv_out:
1179 free(sk);
1180 free(resolv_line);
1181 if (f != NULL)
1182 fclose(f);
1183 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001184 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1185 const char *res;
1186 unsigned int time;
1187
1188 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001189 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1190 file, linenum, args[0]);
1191 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001192 err_code |= ERR_ALERT | ERR_FATAL;
1193 goto out;
1194 }
1195 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001196 if (res == PARSE_TIME_OVER) {
1197 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 ms (~24.8 days).\n",
1198 file, linenum, args[1], args[0]);
1199 err_code |= ERR_ALERT | ERR_FATAL;
1200 goto out;
1201 }
1202 else if (res == PARSE_TIME_UNDER) {
1203 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 ms.\n",
1204 file, linenum, args[1], args[0]);
1205 err_code |= ERR_ALERT | ERR_FATAL;
1206 goto out;
1207 }
1208 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001209 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1210 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001211 err_code |= ERR_ALERT | ERR_FATAL;
1212 goto out;
1213 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001214 if (strcmp(args[1], "nx") == 0)
1215 curr_resolvers->hold.nx = time;
1216 else if (strcmp(args[1], "other") == 0)
1217 curr_resolvers->hold.other = time;
1218 else if (strcmp(args[1], "refused") == 0)
1219 curr_resolvers->hold.refused = time;
1220 else if (strcmp(args[1], "timeout") == 0)
1221 curr_resolvers->hold.timeout = time;
1222 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001223 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001224 else if (strcmp(args[1], "obsolete") == 0)
1225 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001226 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001227 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1228 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001229 err_code |= ERR_ALERT | ERR_FATAL;
1230 goto out;
1231 }
1232
1233 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001234 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001235 int i = 0;
1236
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001237 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001238 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1239 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001240 err_code |= ERR_ALERT | ERR_FATAL;
1241 goto out;
1242 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001243
1244 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001245 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001246 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1247 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001248 err_code |= ERR_ALERT | ERR_FATAL;
1249 goto out;
1250 }
1251
1252 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001253 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001254 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001255 ha_alert("parsing [%s:%d] : '%s' directive is not supported anymore (it never appeared in a stable release).\n",
Christopher Faulet767a84b2017-11-24 16:50:31 +01001256 file, linenum, args[0]);
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001257 err_code |= ERR_ALERT | ERR_FATAL;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001258 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001259 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001260 else if (strcmp(args[0], "resolve_retries") == 0) {
1261 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001262 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1263 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001264 err_code |= ERR_ALERT | ERR_FATAL;
1265 goto out;
1266 }
1267 curr_resolvers->resolve_retries = atoi(args[1]);
1268 }
1269 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001270 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001271 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1272 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001273 err_code |= ERR_ALERT | ERR_FATAL;
1274 goto out;
1275 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001276 else if (strcmp(args[1], "retry") == 0 ||
1277 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001278 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001279 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001280
1281 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001282 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1283 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001284 err_code |= ERR_ALERT | ERR_FATAL;
1285 goto out;
1286 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001287 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001288 if (res == PARSE_TIME_OVER) {
1289 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1290 file, linenum, args[2], args[0], args[1]);
1291 err_code |= ERR_ALERT | ERR_FATAL;
1292 goto out;
1293 }
1294 else if (res == PARSE_TIME_UNDER) {
1295 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1296 file, linenum, args[2], args[0], args[1]);
1297 err_code |= ERR_ALERT | ERR_FATAL;
1298 goto out;
1299 }
1300 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001301 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1302 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001303 err_code |= ERR_ALERT | ERR_FATAL;
1304 goto out;
1305 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001306 if (args[1][2] == 't')
1307 curr_resolvers->timeout.retry = tout;
1308 else
1309 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001310 }
1311 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001312 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1313 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001314 err_code |= ERR_ALERT | ERR_FATAL;
1315 goto out;
1316 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001317 } /* neither "nameserver" nor "resolvers" */
1318 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001319 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001320 err_code |= ERR_ALERT | ERR_FATAL;
1321 goto out;
1322 }
1323
1324 out:
1325 free(errmsg);
1326 return err_code;
1327}
Simon Horman0d16a402015-01-30 11:22:58 +09001328
1329/*
William Lallemand51097192015-04-14 16:35:22 +02001330 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001331 * Returns the error code, 0 if OK, or any combination of :
1332 * - ERR_ABORT: must abort ASAP
1333 * - ERR_FATAL: we can continue parsing but not start the service
1334 * - ERR_WARN: a warning has been emitted
1335 * - ERR_ALERT: an alert has been emitted
1336 * Only the two first ones can stop processing, the two others are just
1337 * indicators.
1338 */
1339int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1340{
1341 static struct mailers *curmailers = NULL;
1342 struct mailer *newmailer = NULL;
1343 const char *err;
1344 int err_code = 0;
1345 char *errmsg = NULL;
1346
1347 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1348 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001349 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001350 err_code |= ERR_ALERT | ERR_ABORT;
1351 goto out;
1352 }
1353
1354 err = invalid_char(args[1]);
1355 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001356 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1357 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001358 err_code |= ERR_ALERT | ERR_ABORT;
1359 goto out;
1360 }
1361
1362 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1363 /*
1364 * If there are two proxies with the same name only following
1365 * combinations are allowed:
1366 */
1367 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001368 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1369 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001370 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001371 }
1372 }
1373
Vincent Bernat02779b62016-04-03 13:48:43 +02001374 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001375 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001376 err_code |= ERR_ALERT | ERR_ABORT;
1377 goto out;
1378 }
1379
1380 curmailers->next = mailers;
1381 mailers = curmailers;
1382 curmailers->conf.file = strdup(file);
1383 curmailers->conf.line = linenum;
1384 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001385 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1386 * But need enough time so that timeouts don't occur
1387 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001388 }
1389 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1390 struct sockaddr_storage *sk;
1391 int port1, port2;
1392 struct protocol *proto;
1393
1394 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001395 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1396 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001397 err_code |= ERR_ALERT | ERR_FATAL;
1398 goto out;
1399 }
1400
1401 err = invalid_char(args[1]);
1402 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001403 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1404 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001405 err_code |= ERR_ALERT | ERR_FATAL;
1406 goto out;
1407 }
1408
Vincent Bernat02779b62016-04-03 13:48:43 +02001409 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001410 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001411 err_code |= ERR_ALERT | ERR_ABORT;
1412 goto out;
1413 }
1414
1415 /* the mailers are linked backwards first */
1416 curmailers->count++;
1417 newmailer->next = curmailers->mailer_list;
1418 curmailers->mailer_list = newmailer;
1419 newmailer->mailers = curmailers;
1420 newmailer->conf.file = strdup(file);
1421 newmailer->conf.line = linenum;
1422
1423 newmailer->id = strdup(args[1]);
1424
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001425 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001426 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001427 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001428 err_code |= ERR_ALERT | ERR_FATAL;
1429 goto out;
1430 }
1431
1432 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001433 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001434 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1435 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001436 err_code |= ERR_ALERT | ERR_FATAL;
1437 goto out;
1438 }
1439
1440 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001441 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1442 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001443 err_code |= ERR_ALERT | ERR_FATAL;
1444 goto out;
1445 }
1446
1447 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001448 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1449 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001450 err_code |= ERR_ALERT | ERR_FATAL;
1451 goto out;
1452 }
1453
1454 newmailer->addr = *sk;
1455 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001456 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001457 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001458 }
1459 else if (strcmp(args[0], "timeout") == 0) {
1460 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001461 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1462 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001463 err_code |= ERR_ALERT | ERR_FATAL;
1464 goto out;
1465 }
1466 else if (strcmp(args[1], "mail") == 0) {
1467 const char *res;
1468 unsigned int timeout_mail;
1469 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001470 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1471 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001472 err_code |= ERR_ALERT | ERR_FATAL;
1473 goto out;
1474 }
1475 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001476 if (res == PARSE_TIME_OVER) {
1477 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1478 file, linenum, args[2], args[0], args[1]);
1479 err_code |= ERR_ALERT | ERR_FATAL;
1480 goto out;
1481 }
1482 else if (res == PARSE_TIME_UNDER) {
1483 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1484 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001485 err_code |= ERR_ALERT | ERR_FATAL;
1486 goto out;
1487 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001488 else if (res) {
1489 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1490 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001491 err_code |= ERR_ALERT | ERR_FATAL;
1492 goto out;
1493 }
1494 curmailers->timeout.mail = timeout_mail;
1495 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001496 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001497 file, linenum, args[0], args[1]);
1498 err_code |= ERR_ALERT | ERR_FATAL;
1499 goto out;
1500 }
1501 }
Simon Horman0d16a402015-01-30 11:22:58 +09001502 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001503 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001504 err_code |= ERR_ALERT | ERR_FATAL;
1505 goto out;
1506 }
1507
1508out:
1509 free(errmsg);
1510 return err_code;
1511}
1512
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001513void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001514{
1515 free(p->email_alert.mailers.name);
1516 p->email_alert.mailers.name = NULL;
1517 free(p->email_alert.from);
1518 p->email_alert.from = NULL;
1519 free(p->email_alert.to);
1520 p->email_alert.to = NULL;
1521 free(p->email_alert.myhostname);
1522 p->email_alert.myhostname = NULL;
1523}
1524
Willy Tarreaubaaee002006-06-26 02:48:02 +02001525
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001526int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001527cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1528{
Willy Tarreaue5733232019-05-22 19:24:06 +02001529#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001530 const char *err;
1531 const char *item = args[0];
1532
1533 if (!strcmp(item, "namespace_list")) {
1534 return 0;
1535 }
1536 else if (!strcmp(item, "namespace")) {
1537 size_t idx = 1;
1538 const char *current;
1539 while (*(current = args[idx++])) {
1540 err = invalid_char(current);
1541 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001542 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1543 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001544 return ERR_ALERT | ERR_FATAL;
1545 }
1546
1547 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001548 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1549 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001550 return ERR_ALERT | ERR_FATAL;
1551 }
1552 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001553 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1554 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001555 return ERR_ALERT | ERR_FATAL;
1556 }
1557 }
1558 }
1559
1560 return 0;
1561#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001562 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1563 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001564 return ERR_ALERT | ERR_FATAL;
1565#endif
1566}
1567
1568int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001569cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1570{
1571
1572 int err_code = 0;
1573 const char *err;
1574
1575 if (!strcmp(args[0], "userlist")) { /* new userlist */
1576 struct userlist *newul;
1577
1578 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001579 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1580 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001581 err_code |= ERR_ALERT | ERR_FATAL;
1582 goto out;
1583 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001584 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1585 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001586
1587 err = invalid_char(args[1]);
1588 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001589 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1590 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001591 err_code |= ERR_ALERT | ERR_FATAL;
1592 goto out;
1593 }
1594
1595 for (newul = userlist; newul; newul = newul->next)
1596 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001597 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1598 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001599 err_code |= ERR_WARN;
1600 goto out;
1601 }
1602
Vincent Bernat02779b62016-04-03 13:48:43 +02001603 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001604 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001605 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001606 err_code |= ERR_ALERT | ERR_ABORT;
1607 goto out;
1608 }
1609
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001610 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001611 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001612 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001613 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001614 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001615 goto out;
1616 }
1617
1618 newul->next = userlist;
1619 userlist = newul;
1620
1621 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001622 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001623 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001624 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001625
1626 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001627 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1628 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001629 err_code |= ERR_ALERT | ERR_FATAL;
1630 goto out;
1631 }
1632
1633 err = invalid_char(args[1]);
1634 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001635 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1636 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001637 err_code |= ERR_ALERT | ERR_FATAL;
1638 goto out;
1639 }
1640
William Lallemand4ac9f542015-05-28 18:03:51 +02001641 if (!userlist)
1642 goto out;
1643
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001644 for (ag = userlist->groups; ag; ag = ag->next)
1645 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001646 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1647 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001648 err_code |= ERR_ALERT;
1649 goto out;
1650 }
1651
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001652 ag = calloc(1, sizeof(*ag));
1653 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001654 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001655 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001656 goto out;
1657 }
1658
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001659 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001660 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001661 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001662 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001663 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001664 goto out;
1665 }
1666
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001667 cur_arg = 2;
1668
1669 while (*args[cur_arg]) {
1670 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001671 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001672 cur_arg += 2;
1673 continue;
1674 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001675 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1676 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001677 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001678 free(ag->groupusers);
1679 free(ag->name);
1680 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001681 goto out;
1682 }
1683 }
1684
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001685 ag->next = userlist->groups;
1686 userlist->groups = ag;
1687
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001688 } else if (!strcmp(args[0], "user")) { /* new user */
1689 struct auth_users *newuser;
1690 int cur_arg;
1691
1692 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001693 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1694 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001695 err_code |= ERR_ALERT | ERR_FATAL;
1696 goto out;
1697 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001698 if (!userlist)
1699 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001700
1701 for (newuser = userlist->users; newuser; newuser = newuser->next)
1702 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001703 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1704 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001705 err_code |= ERR_ALERT;
1706 goto out;
1707 }
1708
Vincent Bernat02779b62016-04-03 13:48:43 +02001709 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001710 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001711 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001712 err_code |= ERR_ALERT | ERR_ABORT;
1713 goto out;
1714 }
1715
1716 newuser->user = strdup(args[1]);
1717
1718 newuser->next = userlist->users;
1719 userlist->users = newuser;
1720
1721 cur_arg = 2;
1722
1723 while (*args[cur_arg]) {
1724 if (!strcmp(args[cur_arg], "password")) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001725#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001726 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001727 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1728 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001729 err_code |= ERR_ALERT | ERR_FATAL;
1730 goto out;
1731 }
1732#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001733 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1734 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001735 err_code |= ERR_ALERT;
1736#endif
1737 newuser->pass = strdup(args[cur_arg + 1]);
1738 cur_arg += 2;
1739 continue;
1740 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1741 newuser->pass = strdup(args[cur_arg + 1]);
1742 newuser->flags |= AU_O_INSECURE;
1743 cur_arg += 2;
1744 continue;
1745 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001746 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001747 cur_arg += 2;
1748 continue;
1749 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001750 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1751 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001752 err_code |= ERR_ALERT | ERR_FATAL;
1753 goto out;
1754 }
1755 }
1756 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001757 ha_alert("parsing [%s:%d]: unknown keyword '%s' in '%s' section\n", file, linenum, args[0], "users");
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001758 err_code |= ERR_ALERT | ERR_FATAL;
1759 }
1760
1761out:
1762 return err_code;
1763}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001764
Christopher Faulet79bdef32016-11-04 22:36:15 +01001765int
1766cfg_parse_scope(const char *file, int linenum, char *line)
1767{
1768 char *beg, *end, *scope = NULL;
1769 int err_code = 0;
1770 const char *err;
1771
1772 beg = line + 1;
1773 end = strchr(beg, ']');
1774
1775 /* Detect end of scope declaration */
1776 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001777 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1778 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001779 err_code |= ERR_ALERT | ERR_FATAL;
1780 goto out;
1781 }
1782
1783 /* Get scope name and check its validity */
1784 scope = my_strndup(beg, end-beg);
1785 err = invalid_char(scope);
1786 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001787 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1788 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001789 err_code |= ERR_ALERT | ERR_ABORT;
1790 goto out;
1791 }
1792
1793 /* Be sure to have a scope declaration alone on its line */
1794 line = end+1;
1795 while (isspace((unsigned char)*line))
1796 line++;
1797 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001798 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1799 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001800 err_code |= ERR_ALERT | ERR_ABORT;
1801 goto out;
1802 }
1803
1804 /* We have a valid scope declaration, save it */
1805 free(cfg_scope);
1806 cfg_scope = scope;
1807 scope = NULL;
1808
1809 out:
1810 free(scope);
1811 return err_code;
1812}
1813
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001814int
1815cfg_parse_track_sc_num(unsigned int *track_sc_num,
1816 const char *arg, const char *end, char **errmsg)
1817{
1818 const char *p;
1819 unsigned int num;
1820
1821 p = arg;
1822 num = read_uint64(&arg, end);
1823
1824 if (arg != end) {
1825 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1826 return -1;
1827 }
1828
1829 if (num >= MAX_SESS_STKCTR) {
1830 memprintf(errmsg, "%u track-sc number exceeding "
1831 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1832 return -1;
1833 }
1834
1835 *track_sc_num = num;
1836 return 0;
1837}
1838
Willy Tarreaubaaee002006-06-26 02:48:02 +02001839/*
1840 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001841 * Returns the error code, 0 if OK, or any combination of :
1842 * - ERR_ABORT: must abort ASAP
1843 * - ERR_FATAL: we can continue parsing but not start the service
1844 * - ERR_WARN: a warning has been emitted
1845 * - ERR_ALERT: an alert has been emitted
1846 * Only the two first ones can stop processing, the two others are just
1847 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001848 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001849int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001850{
William Lallemand64e84512015-05-12 14:25:37 +02001851 char *thisline;
1852 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001853 FILE *f;
1854 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001855 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001856 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001857 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001858 int readbytes = 0;
1859
1860 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001861 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001862 return -1;
1863 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001864
David Carlier97880bb2016-04-08 10:35:26 +01001865 if ((f=fopen(file,"r")) == NULL) {
1866 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001867 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001868 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001869
William Lallemandb2f07452015-05-12 14:27:13 +02001870next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001871 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001872 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001873 char *end;
1874 char *args[MAX_LINE_ARGS + 1];
1875 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001876 int dquote = 0; /* double quote */
1877 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001878
Willy Tarreaubaaee002006-06-26 02:48:02 +02001879 linenum++;
1880
1881 end = line + strlen(line);
1882
William Lallemand64e84512015-05-12 14:25:37 +02001883 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001884 /* Check if we reached the limit and the last char is not \n.
1885 * Watch out for the last line without the terminating '\n'!
1886 */
William Lallemand64e84512015-05-12 14:25:37 +02001887 char *newline;
1888 int newlinesize = linesize * 2;
1889
1890 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1891 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001892 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1893 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001894 err_code |= ERR_ALERT | ERR_FATAL;
1895 continue;
1896 }
1897
1898 readbytes = linesize - 1;
1899 linesize = newlinesize;
1900 thisline = newline;
1901 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001902 }
1903
William Lallemand64e84512015-05-12 14:25:37 +02001904 readbytes = 0;
1905
Willy Tarreaubaaee002006-06-26 02:48:02 +02001906 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001907 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001908 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001909
Christopher Faulet79bdef32016-11-04 22:36:15 +01001910
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001911 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001912 err_code |= cfg_parse_scope(file, linenum, line);
1913 goto next_line;
1914 }
1915
Willy Tarreaubaaee002006-06-26 02:48:02 +02001916 arg = 0;
1917 args[arg] = line;
1918
1919 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001920 if (*line == '"' && !squote) { /* double quote outside single quotes */
1921 if (dquote)
1922 dquote = 0;
1923 else
1924 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001925 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001926 end--;
1927 }
1928 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1929 if (squote)
1930 squote = 0;
1931 else
1932 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001933 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001934 end--;
1935 }
1936 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001937 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1938 * C equivalent value. Other combinations left unchanged (eg: \1).
1939 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001940 int skip = 0;
1941 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1942 *line = line[1];
1943 skip = 1;
1944 }
1945 else if (line[1] == 'r') {
1946 *line = '\r';
1947 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001948 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001949 else if (line[1] == 'n') {
1950 *line = '\n';
1951 skip = 1;
1952 }
1953 else if (line[1] == 't') {
1954 *line = '\t';
1955 skip = 1;
1956 }
1957 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001958 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001959 unsigned char hex1, hex2;
1960 hex1 = toupper(line[2]) - '0';
1961 hex2 = toupper(line[3]) - '0';
1962 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1963 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1964 *line = (hex1<<4) + hex2;
1965 skip = 3;
1966 }
1967 else {
Tim Duesterhusac4930e2020-05-07 19:24:20 +02001968 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence '%.*s' in '%s'.\n", file, linenum, 4, line, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001969 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhuse6291952020-05-07 19:21:31 +02001970 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001971 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001972 } else if (line[1] == '"') {
1973 *line = '"';
1974 skip = 1;
1975 } else if (line[1] == '\'') {
1976 *line = '\'';
1977 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001978 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1979 *line = '$';
1980 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001981 }
1982 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001983 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001984 end -= skip;
1985 }
1986 line++;
1987 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001988 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001989 /* end of string, end of loop */
1990 *line = 0;
1991 break;
1992 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001993 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001994 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001995 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001996 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001997 line++;
1998 args[++arg] = line;
1999 }
William Lallemandb2f07452015-05-12 14:27:13 +02002000 else if (dquote && *line == '$') {
2001 /* environment variables are evaluated inside double quotes */
2002 char *var_beg;
2003 char *var_end;
2004 char save_char;
2005 char *value;
2006 int val_len;
2007 int newlinesize;
2008 int braces = 0;
2009
2010 var_beg = line + 1;
2011 var_end = var_beg;
2012
2013 if (*var_beg == '{') {
2014 var_beg++;
2015 var_end++;
2016 braces = 1;
2017 }
2018
Willy Tarreau90807112020-02-25 08:16:33 +01002019 if (!isalpha((unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002020 ha_alert("parsing [%s:%d] : Variable expansion: Unrecognized character '%c' in variable name.\n", file, linenum, *var_beg);
William Lallemandb2f07452015-05-12 14:27:13 +02002021 err_code |= ERR_ALERT | ERR_FATAL;
2022 goto next_line; /* skip current line */
2023 }
2024
Willy Tarreau90807112020-02-25 08:16:33 +01002025 while (isalnum((unsigned char)*var_end) || *var_end == '_')
William Lallemandb2f07452015-05-12 14:27:13 +02002026 var_end++;
2027
2028 save_char = *var_end;
2029 *var_end = '\0';
2030 value = getenv(var_beg);
2031 *var_end = save_char;
2032 val_len = value ? strlen(value) : 0;
2033
2034 if (braces) {
2035 if (*var_end == '}') {
2036 var_end++;
2037 braces = 0;
2038 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002039 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002040 err_code |= ERR_ALERT | ERR_FATAL;
2041 goto next_line; /* skip current line */
2042 }
2043 }
2044
2045 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
2046
2047 /* if not enough space in thisline */
2048 if (newlinesize > linesize) {
2049 char *newline;
2050
2051 newline = realloc(thisline, newlinesize * sizeof(*thisline));
2052 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002053 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002054 err_code |= ERR_ALERT | ERR_FATAL;
2055 goto next_line; /* slip current line */
2056 }
2057 /* recompute pointers if realloc returns a new pointer */
2058 if (newline != thisline) {
2059 int i;
2060 int diff;
2061
2062 for (i = 0; i <= arg; i++) {
2063 diff = args[i] - thisline;
2064 args[i] = newline + diff;
2065 }
2066
2067 diff = var_end - thisline;
2068 var_end = newline + diff;
2069 diff = end - thisline;
2070 end = newline + diff;
2071 diff = line - thisline;
2072 line = newline + diff;
2073 thisline = newline;
2074 }
2075 linesize = newlinesize;
2076 }
2077
2078 /* insert value inside the line */
2079 memmove(line + val_len, var_end, end - var_end + 1);
2080 memcpy(line, value, val_len);
2081 end += val_len - (var_end - line);
2082 line += val_len;
2083 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002084 else {
2085 line++;
2086 }
2087 }
William Lallemandb2f07452015-05-12 14:27:13 +02002088
William Lallemandf9873ba2015-05-05 17:37:14 +02002089 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002090 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002091 err_code |= ERR_ALERT | ERR_FATAL;
2092 }
2093
2094 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002095 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002096 err_code |= ERR_ALERT | ERR_FATAL;
2097 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002098
2099 /* empty line */
2100 if (!**args)
2101 continue;
2102
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002103 if (*line) {
2104 /* we had to stop due to too many args.
2105 * Let's terminate the string, print the offending part then cut the
2106 * last arg.
2107 */
2108 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2109 line++;
2110 *line = '\0';
2111
Christopher Faulet767a84b2017-11-24 16:50:31 +01002112 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2113 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002114 err_code |= ERR_ALERT | ERR_FATAL;
2115 args[arg] = line;
2116 }
2117
Willy Tarreau540abe42007-05-02 20:50:16 +02002118 /* zero out remaining args and ensure that at least one entry
2119 * is zeroed out.
2120 */
2121 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002122 args[arg] = line;
2123 }
2124
Willy Tarreau3842f002009-06-14 11:39:52 +02002125 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002126 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002127 char *tmp;
2128
Willy Tarreau3842f002009-06-14 11:39:52 +02002129 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002130 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002131 for (arg=0; *args[arg+1]; arg++)
2132 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002133 *tmp = '\0'; // fix the next arg to \0
2134 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002135 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002136 else if (!strcmp(args[0], "default")) {
2137 kwm = KWM_DEF;
2138 for (arg=0; *args[arg+1]; arg++)
2139 args[arg] = args[arg+1]; // shift args after inversion
2140 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002141
William Dauchyec730982019-10-27 20:08:10 +01002142 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
2143 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
Willy Tarreaud96f1122019-12-03 07:07:36 +01002144 strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
2145 strcmp(args[0], "insecure-fork-wanted") != 0) {
William Dauchyec730982019-10-27 20:08:10 +01002146 ha_alert("parsing [%s:%d]: negation/default currently "
William Dauchy0fec3ab2019-10-27 20:08:11 +01002147 "supported only for options, log, busy-polling, "
Willy Tarreaud96f1122019-12-03 07:07:36 +01002148 "set-dumpable, strict-limits, and insecure-fork-wanted.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02002149 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002150 }
2151
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002152 /* detect section start */
2153 list_for_each_entry(ics, &sections, list) {
2154 if (strcmp(args[0], ics->section_name) == 0) {
2155 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002156 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002157 cs = ics;
2158 break;
2159 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002160 }
2161
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002162 if (pcs && pcs->post_section_parser) {
2163 err_code |= pcs->post_section_parser();
2164 if (err_code & ERR_ABORT)
2165 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002166 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002167 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002168
William Lallemandd2ff56d2017-10-16 11:06:50 +02002169 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002170 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002171 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002172 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002173 err_code |= cs->section_parser(file, linenum, args, kwm);
2174 if (err_code & ERR_ABORT)
2175 goto err;
2176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002177 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002178
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002179 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002180 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002181
2182err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002183 free(cfg_scope);
2184 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002185 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002186 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002187 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002188 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002189}
2190
Willy Tarreau64ab6072014-09-16 12:17:36 +02002191/* This function propagates processes from frontend <from> to backend <to> so
2192 * that it is always guaranteed that a backend pointed to by a frontend is
2193 * bound to all of its processes. After that, if the target is a "listen"
2194 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002195 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002196 * checked first to ensure that <to> is already bound to all processes of
2197 * <from>, there is no risk of looping and we ensure to follow the shortest
2198 * path to the destination.
2199 *
2200 * It is possible to set <to> to NULL for the first call so that the function
2201 * takes care of visiting the initial frontend in <from>.
2202 *
2203 * It is important to note that the function relies on the fact that all names
2204 * have already been resolved.
2205 */
2206void propagate_processes(struct proxy *from, struct proxy *to)
2207{
2208 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002209
2210 if (to) {
2211 /* check whether we need to go down */
2212 if (from->bind_proc &&
2213 (from->bind_proc & to->bind_proc) == from->bind_proc)
2214 return;
2215
2216 if (!from->bind_proc && !to->bind_proc)
2217 return;
2218
2219 to->bind_proc = from->bind_proc ?
2220 (to->bind_proc | from->bind_proc) : 0;
2221
2222 /* now propagate down */
2223 from = to;
2224 }
2225
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002226 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002227 return;
2228
Willy Tarreauf6b70012014-12-18 14:00:43 +01002229 if (from->state == PR_STSTOPPED)
2230 return;
2231
Willy Tarreau64ab6072014-09-16 12:17:36 +02002232 /* default_backend */
2233 if (from->defbe.be)
2234 propagate_processes(from, from->defbe.be);
2235
2236 /* use_backend */
2237 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002238 if (rule->dynamic)
2239 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002240 to = rule->be.backend;
2241 propagate_processes(from, to);
2242 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002243}
2244
Willy Tarreaubb925012009-07-23 13:36:36 +02002245/*
2246 * Returns the error code, 0 if OK, or any combination of :
2247 * - ERR_ABORT: must abort ASAP
2248 * - ERR_FATAL: we can continue parsing but not start the service
2249 * - ERR_WARN: a warning has been emitted
2250 * - ERR_ALERT: an alert has been emitted
2251 * Only the two first ones can stop processing, the two others are just
2252 * indicators.
2253 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002254int check_config_validity()
2255{
2256 int cfgerr = 0;
2257 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002258 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002259 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002260 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002261 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002262 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002263 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002264 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002265 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002266
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002267 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002268 /*
2269 * Now, check for the integrity of all that we have collected.
2270 */
2271
2272 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002273 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002274
Willy Tarreau193b8c62012-11-22 00:17:38 +01002275 if (!global.tune.max_http_hdr)
2276 global.tune.max_http_hdr = MAX_HTTP_HDR;
2277
2278 if (!global.tune.cookie_len)
2279 global.tune.cookie_len = CAPTURE_LEN;
2280
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002281 if (!global.tune.requri_len)
2282 global.tune.requri_len = REQURI_LEN;
2283
Willy Tarreau149ab772019-01-26 14:27:06 +01002284 if (!global.nbthread) {
2285 /* nbthread not set, thus automatic. In this case, and only if
2286 * running on a single process, we enable the same number of
2287 * threads as the number of CPUs the process is bound to. This
2288 * allows to easily control the number of threads using taskset.
2289 */
2290 global.nbthread = 1;
2291#if defined(USE_THREAD)
2292 if (global.nbproc == 1)
2293 global.nbthread = thread_cpus_enabled_at_boot;
2294 all_threads_mask = nbits(global.nbthread);
2295#endif
2296 }
2297
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002298 if (global.nbproc > 1 && global.nbthread > 1) {
2299 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2300 err_code |= ERR_ALERT | ERR_FATAL;
2301 goto out;
2302 }
2303
Willy Tarreaubafbe012017-11-24 17:34:44 +01002304 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002305
Willy Tarreaubafbe012017-11-24 17:34:44 +01002306 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002307
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002308 /* Post initialisation of the users and groups lists. */
2309 err_code = userlist_postinit();
2310 if (err_code != ERR_NONE)
2311 goto out;
2312
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002313 /* first, we will invert the proxy list order */
2314 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002315 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002316 struct proxy *next;
2317
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002318 next = proxies_list->next;
2319 proxies_list->next = curproxy;
2320 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002321 if (!next)
2322 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002323 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002324 }
2325
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002326 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002327 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002328 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002329 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002330 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002331 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002332 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002333 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002334
Willy Tarreau050536d2012-10-04 08:47:34 +02002335 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002336 /* proxy ID not set, use automatic numbering with first
2337 * spare entry starting with next_pxid.
2338 */
2339 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2340 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2341 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002342 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002343 next_pxid++;
2344
Willy Tarreau55ea7572007-06-17 19:56:27 +02002345
Willy Tarreaubaaee002006-06-26 02:48:02 +02002346 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002347 /* ensure we don't keep listeners uselessly bound */
2348 stop_proxy(curproxy);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002349 if (curproxy->table) {
2350 free((void *)curproxy->table->peers.name);
2351 curproxy->table->peers.p = NULL;
2352 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002353 continue;
2354 }
2355
Willy Tarreau102df612014-05-07 23:56:38 +02002356 /* Check multi-process mode compatibility for the current proxy */
2357
2358 if (curproxy->bind_proc) {
2359 /* an explicit bind-process was specified, let's check how many
2360 * processes remain.
2361 */
David Carliere6c39412015-07-02 07:00:17 +00002362 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002363
Willy Tarreaua38a7172019-02-02 17:11:28 +01002364 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002365 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002366 ha_warning("Proxy '%s': the process specified on the 'bind-process' directive refers to a process number that is higher than global.nbproc. The proxy has been forced to run on process 1 only.\n", curproxy->id);
Willy Tarreau102df612014-05-07 23:56:38 +02002367 curproxy->bind_proc = 1;
2368 }
2369 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002370 ha_warning("Proxy '%s': all processes specified on the 'bind-process' directive refer to numbers that are all higher than global.nbproc. The directive was ignored and the proxy will run on all processes.\n", curproxy->id);
Willy Tarreau102df612014-05-07 23:56:38 +02002371 curproxy->bind_proc = 0;
2372 }
2373 }
2374
Willy Tarreau3d209582014-05-09 17:06:11 +02002375 /* check and reduce the bind-proc of each listener */
2376 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2377 unsigned long mask;
2378
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002379 /* HTTP frontends with "h2" as ALPN/NPN will work in
2380 * HTTP/2 and absolutely require buffers 16kB or larger.
2381 */
2382#ifdef USE_OPENSSL
2383 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2384#ifdef OPENSSL_NPN_NEGOTIATED
2385 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002386 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002387 ha_alert("config : HTTP frontend '%s' enables HTTP/2 via NPN at [%s:%d], so global.tune.bufsize must be at least 16384 bytes (%d now).\n",
2388 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002389 cfgerr++;
2390 }
2391#endif
2392#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2393 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002394 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002395 ha_alert("config : HTTP frontend '%s' enables HTTP/2 via ALPN at [%s:%d], so global.tune.bufsize must be at least 16384 bytes (%d now).\n",
2396 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002397 cfgerr++;
2398 }
2399#endif
2400 } /* HTTP && bufsize < 16384 */
2401#endif
2402
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002403 /* detect and address thread affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002404 mask = thread_mask(bind_conf->bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002405 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002406 unsigned long new_mask = 0;
2407
2408 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002409 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002410 mask >>= global.nbthread;
2411 }
2412
Willy Tarreaua36b3242019-02-02 13:14:34 +01002413 bind_conf->bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002414 ha_warning("Proxy '%s': the thread range specified on the 'process' directive of 'bind %s' at [%s:%d] only refers to thread numbers out of the range defined by the global 'nbthread' directive. The thread numbers were remapped to existing threads instead (mask 0x%lx).\n",
2415 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2416 }
2417
2418 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002419 mask = proc_mask(bind_conf->bind_proc) & proc_mask(curproxy->bind_proc);
2420 if (!(mask & all_proc_mask)) {
2421 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
2422 nbproc = my_popcountl(bind_conf->bind_proc);
2423 bind_conf->bind_proc = proc_mask(bind_conf->bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002424
Willy Tarreaua36b3242019-02-02 13:14:34 +01002425 if (!bind_conf->bind_proc && nbproc == 1) {
2426 ha_warning("Proxy '%s': the process number specified on the 'process' directive of 'bind %s' at [%s:%d] refers to a process not covered by the proxy. This has been fixed by forcing it to run on the proxy's first process only.\n",
2427 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2428 bind_conf->bind_proc = mask & ~(mask - 1);
2429 }
2430 else if (!bind_conf->bind_proc && nbproc > 1) {
2431 ha_warning("Proxy '%s': the process range specified on the 'process' directive of 'bind %s' at [%s:%d] only refers to processes not covered by the proxy. The directive was ignored so that all of the proxy's processes are used.\n",
2432 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2433 bind_conf->bind_proc = 0;
2434 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002435 }
2436 }
2437
Willy Tarreauff01a212009-03-15 13:46:16 +01002438 switch (curproxy->mode) {
2439 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002440 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002441 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002442 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2443 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002444 cfgerr++;
2445 }
2446
2447 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002448 ha_warning("config : servers will be ignored for %s '%s'.\n",
2449 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002450 break;
2451
2452 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002453 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002454 break;
2455
2456 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002457 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002458 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002459
2460 case PR_MODE_CLI:
2461 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2462 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002463 }
2464
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002465 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002466 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2467 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002468 err_code |= ERR_WARN;
2469 }
2470
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002471 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002472 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002473 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002474 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2475 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002476 cfgerr++;
2477 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002478#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002479 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002480 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2481 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002482 cfgerr++;
2483 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002484#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002485 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002486 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2487 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002488 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002489 }
2490 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002491 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002492 /* If no LB algo is set in a backend, and we're not in
2493 * transparent mode, dispatch mode nor proxy mode, we
2494 * want to use balance roundrobin by default.
2495 */
2496 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2497 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002498 }
2499 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002500
Willy Tarreau1620ec32011-08-06 17:05:02 +02002501 if (curproxy->options & PR_O_DISPATCH)
2502 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2503 else if (curproxy->options & PR_O_HTTP_PROXY)
2504 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2505 else if (curproxy->options & PR_O_TRANSP)
2506 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002507
Christopher Faulete5870d82020-04-15 11:32:03 +02002508 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_HTTP_RS)) {
2509 ha_warning("config : %s '%s' uses http-check rules without 'option httpchk', so the rules are ignored.\n",
2510 proxy_type_str(curproxy), curproxy->id);
2511 err_code |= ERR_WARN;
2512 }
2513
2514 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_TCPCHK_CHK &&
2515 (curproxy->tcpcheck_rules.flags & TCPCHK_RULES_PROTO_CHK) == TCPCHK_RULES_HTTP_CHK) {
Willy Tarreau1620ec32011-08-06 17:05:02 +02002516 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002517 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2518 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002519 err_code |= ERR_WARN;
2520 curproxy->options &= ~PR_O_DISABLE404;
2521 }
2522 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002523 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2524 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002525 err_code |= ERR_WARN;
2526 curproxy->options &= ~PR_O2_CHK_SNDST;
2527 }
Willy Tarreauef781042010-01-27 11:53:01 +01002528 }
2529
Simon Horman98637e52014-06-20 12:30:16 +09002530 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2531 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002532 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2533 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002534 cfgerr++;
2535 }
2536 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002537 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2538 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002539 cfgerr++;
2540 }
Willy Tarreaud96f1122019-12-03 07:07:36 +01002541 if (!(global.tune.options & GTUNE_INSECURE_FORK)) {
2542 ha_warning("Proxy '%s' : 'insecure-fork-wanted' not enabled in the global section, '%s' will likely fail.\n",
2543 curproxy->id, "option external-check");
2544 err_code |= ERR_WARN;
2545 }
Simon Horman98637e52014-06-20 12:30:16 +09002546 }
2547
Simon Horman64e34162015-02-06 11:11:57 +09002548 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002549 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002550 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2551 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2552 "'email-alert myhostname', or 'email-alert to' "
2553 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2554 "to be present).\n",
2555 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002556 err_code |= ERR_WARN;
2557 free_email_alert(curproxy);
2558 }
2559 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002560 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002561 }
2562
Simon Horman98637e52014-06-20 12:30:16 +09002563 if (curproxy->check_command) {
2564 int clear = 0;
2565 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002566 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2567 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002568 err_code |= ERR_WARN;
2569 clear = 1;
2570 }
2571 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002572 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2573 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002574 cfgerr++;
2575 }
2576 if (clear) {
2577 free(curproxy->check_command);
2578 curproxy->check_command = NULL;
2579 }
2580 }
2581
2582 if (curproxy->check_path) {
2583 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002584 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2585 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002586 err_code |= ERR_WARN;
2587 free(curproxy->check_path);
2588 curproxy->check_path = NULL;
2589 }
2590 }
2591
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002592 /* if a default backend was specified, let's find it */
2593 if (curproxy->defbe.name) {
2594 struct proxy *target;
2595
Willy Tarreauafb39922015-05-26 12:04:09 +02002596 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002597 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002598 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2599 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002600 cfgerr++;
2601 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002602 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2603 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002604 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002605 } else if (target->mode != curproxy->mode &&
2606 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2607
Christopher Faulet767a84b2017-11-24 16:50:31 +01002608 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2609 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2610 curproxy->conf.file, curproxy->conf.line,
2611 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2612 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002613 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002614 } else {
2615 free(curproxy->defbe.name);
2616 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002617 /* Emit a warning if this proxy also has some servers */
2618 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002619 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2620 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002621 err_code |= ERR_WARN;
2622 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002623 }
2624 }
2625
Willy Tarreau55ea7572007-06-17 19:56:27 +02002626 /* find the target proxy for 'use_backend' rules */
2627 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002628 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002629 struct logformat_node *node;
2630 char *pxname;
2631
2632 /* Try to parse the string as a log format expression. If the result
2633 * of the parsing is only one entry containing a simple string, then
2634 * it's a standard string corresponding to a static rule, thus the
2635 * parsing is cancelled and be.name is restored to be resolved.
2636 */
2637 pxname = rule->be.name;
2638 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002639 curproxy->conf.args.ctx = ARGC_UBK;
2640 curproxy->conf.args.file = rule->file;
2641 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002642 err = NULL;
2643 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002644 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2645 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002646 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002647 cfgerr++;
2648 continue;
2649 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002650 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2651
2652 if (!LIST_ISEMPTY(&rule->be.expr)) {
2653 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2654 rule->dynamic = 1;
2655 free(pxname);
2656 continue;
2657 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002658 /* Only one element in the list, a simple string: free the expression and
2659 * fall back to static rule
2660 */
2661 LIST_DEL(&node->list);
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002662 free(node->arg);
2663 free(node);
2664 }
2665
2666 rule->dynamic = 0;
2667 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002668
Willy Tarreauafb39922015-05-26 12:04:09 +02002669 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002670 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002671 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2672 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002673 cfgerr++;
2674 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002675 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2676 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002677 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002678 } else if (target->mode != curproxy->mode &&
2679 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2680
Christopher Faulet767a84b2017-11-24 16:50:31 +01002681 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2682 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2683 curproxy->conf.file, curproxy->conf.line,
2684 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2685 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002686 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002687 } else {
2688 free((void *)rule->be.name);
2689 rule->be.backend = target;
2690 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002691 }
2692
Willy Tarreau64ab6072014-09-16 12:17:36 +02002693 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002694 list_for_each_entry(srule, &curproxy->server_rules, list) {
Jerome Magnin824186b2020-03-29 09:37:12 +02002695 struct server *target;
2696 struct logformat_node *node;
2697 char *server_name;
2698
2699 /* We try to parse the string as a log format expression. If the result of the parsing
2700 * is only one entry containing a single string, then it's a standard string corresponding
2701 * to a static rule, thus the parsing is cancelled and we fall back to setting srv.ptr.
2702 */
2703 server_name = srule->srv.name;
2704 LIST_INIT(&srule->expr);
2705 curproxy->conf.args.ctx = ARGC_USRV;
2706 err = NULL;
2707 if (!parse_logformat_string(server_name, curproxy, &srule->expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
2708 ha_alert("Parsing [%s:%d]; use-server rule failed to parse log-format '%s' : %s.\n",
2709 srule->file, srule->line, server_name, err);
2710 free(err);
2711 cfgerr++;
2712 continue;
2713 }
2714 node = LIST_NEXT(&srule->expr, struct logformat_node *, list);
2715
2716 if (!LIST_ISEMPTY(&srule->expr)) {
2717 if (node->type != LOG_FMT_TEXT || node->list.n != &srule->expr) {
2718 srule->dynamic = 1;
2719 free(server_name);
2720 continue;
2721 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002722 /* Only one element in the list, a simple string: free the expression and
2723 * fall back to static rule
2724 */
2725 LIST_DEL(&node->list);
Jerome Magnin824186b2020-03-29 09:37:12 +02002726 free(node->arg);
2727 free(node);
2728 }
2729
2730 srule->dynamic = 0;
2731 srule->srv.name = server_name;
2732 target = findserver(curproxy, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002733
2734 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002735 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2736 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002737 cfgerr++;
2738 continue;
2739 }
2740 free((void *)srule->srv.name);
2741 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002742 }
2743
Emeric Brunb982a3d2010-01-04 15:45:53 +01002744 /* find the target table for 'stick' rules */
2745 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002746 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002747
Emeric Brun1d33b292010-01-04 15:47:17 +01002748 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2749 if (mrule->flags & STK_IS_STORE)
2750 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2751
Emeric Brunb982a3d2010-01-04 15:45:53 +01002752 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002753 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002754 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002755 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002756
2757 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002758 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002759 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002760 cfgerr++;
2761 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002762 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002763 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2764 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002765 cfgerr++;
2766 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002767 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002768 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2769 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002770 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002771 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002772 else {
2773 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002774 mrule->table.t = target;
2775 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002776 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002777 if (!in_proxies_list(target->proxies_list, curproxy)) {
2778 curproxy->next_stkt_ref = target->proxies_list;
2779 target->proxies_list = curproxy;
2780 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002781 }
2782 }
2783
2784 /* find the target table for 'store response' rules */
2785 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002786 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002787
Emeric Brun1d33b292010-01-04 15:47:17 +01002788 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2789
Emeric Brunb982a3d2010-01-04 15:45:53 +01002790 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002791 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002792 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002793 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002794
2795 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002796 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002797 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002798 cfgerr++;
2799 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002800 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002801 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2802 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002803 cfgerr++;
2804 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002805 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002806 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2807 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002808 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002809 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002810 else {
2811 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002812 mrule->table.t = target;
2813 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002814 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002815 if (!in_proxies_list(target->proxies_list, curproxy)) {
2816 curproxy->next_stkt_ref = target->proxies_list;
2817 target->proxies_list = curproxy;
2818 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002819 }
2820 }
2821
Christopher Faulete4e830d2017-09-18 14:51:41 +02002822 /* check validity for 'tcp-request' layer 4 rules */
2823 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2824 err = NULL;
2825 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002826 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002827 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002828 cfgerr++;
2829 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002830 }
2831
Christopher Faulete4e830d2017-09-18 14:51:41 +02002832 /* check validity for 'tcp-request' layer 5 rules */
2833 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2834 err = NULL;
2835 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002836 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002837 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002838 cfgerr++;
2839 }
2840 }
2841
Christopher Faulete4e830d2017-09-18 14:51:41 +02002842 /* check validity for 'tcp-request' layer 6 rules */
2843 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2844 err = NULL;
2845 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002846 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002847 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002848 cfgerr++;
2849 }
2850 }
2851
Christopher Faulete4e830d2017-09-18 14:51:41 +02002852 /* check validity for 'http-request' layer 7 rules */
2853 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2854 err = NULL;
2855 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002856 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002857 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002858 cfgerr++;
2859 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002860 }
2861
Christopher Faulete4e830d2017-09-18 14:51:41 +02002862 /* check validity for 'http-response' layer 7 rules */
2863 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2864 err = NULL;
2865 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002866 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002867 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002868 cfgerr++;
2869 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002870 }
2871
Christopher Faulet6d0c3df2020-01-22 09:26:35 +01002872 /* check validity for 'http-after-response' layer 7 rules */
2873 list_for_each_entry(arule, &curproxy->http_after_res_rules, list) {
2874 err = NULL;
2875 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
2876 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
2877 free(err);
2878 cfgerr++;
2879 }
2880 }
2881
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002882 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002883 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002884
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002885 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002886 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
2887 free((void *)curproxy->table->peers.name);
2888 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002889 break;
2890 }
2891 }
2892
2893 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002894 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002895 curproxy->id, curproxy->table->peers.name);
2896 free((void *)curproxy->table->peers.name);
2897 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002898 cfgerr++;
2899 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002900 else if (curpeers->state == PR_STSTOPPED) {
2901 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002902 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002903 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002904 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002905 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2906 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002907 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002908 cfgerr++;
2909 }
2910 }
2911
Simon Horman9dc49962015-01-30 11:22:59 +09002912
2913 if (curproxy->email_alert.mailers.name) {
2914 struct mailers *curmailers = mailers;
2915
2916 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002917 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002918 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002919 }
Simon Horman9dc49962015-01-30 11:22:59 +09002920 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002921 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2922 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002923 free_email_alert(curproxy);
2924 cfgerr++;
2925 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002926 else {
2927 err = NULL;
2928 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002929 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002930 free(err);
2931 cfgerr++;
2932 }
2933 }
Simon Horman9dc49962015-01-30 11:22:59 +09002934 }
2935
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002936 if (curproxy->uri_auth && curproxy->uri_auth != defproxy.uri_auth &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002937 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002938 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002939 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2940 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002941 cfgerr++;
2942 goto out_uri_auth_compat;
2943 }
2944
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002945 if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
2946 (curproxy->uri_auth != defproxy.uri_auth ||
2947 LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002948 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002949 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002950 int i = 0;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002951 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2952 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002953
2954 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002955 uri_auth_compat_req[i++] = "realm";
2956 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2957 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002958
Willy Tarreau95fa4692010-02-01 13:05:50 +01002959 uri_auth_compat_req[i++] = "unless";
2960 uri_auth_compat_req[i++] = "{";
2961 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2962 uri_auth_compat_req[i++] = "}";
2963 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002964
Willy Tarreauff011f22011-01-06 17:51:27 +01002965 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2966 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002967 cfgerr++;
2968 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002969 }
2970
Willy Tarreauff011f22011-01-06 17:51:27 +01002971 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002972
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002973 if (curproxy->uri_auth->auth_realm) {
2974 free(curproxy->uri_auth->auth_realm);
2975 curproxy->uri_auth->auth_realm = NULL;
2976 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002977 }
2978out_uri_auth_compat:
2979
Dragan Dosen43885c72015-10-01 13:18:13 +02002980 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002981 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002982 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2983 if (!curproxy->conf.logformat_sd_string) {
2984 /* set the default logformat_sd_string */
2985 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2986 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002987 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002988 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002989 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002990
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002991 /* compile the log format */
2992 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002993 if (curproxy->conf.logformat_string != default_http_log_format &&
2994 curproxy->conf.logformat_string != default_tcp_log_format &&
2995 curproxy->conf.logformat_string != clf_http_log_format)
2996 free(curproxy->conf.logformat_string);
2997 curproxy->conf.logformat_string = NULL;
2998 free(curproxy->conf.lfs_file);
2999 curproxy->conf.lfs_file = NULL;
3000 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003001
3002 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
3003 free(curproxy->conf.logformat_sd_string);
3004 curproxy->conf.logformat_sd_string = NULL;
3005 free(curproxy->conf.lfsd_file);
3006 curproxy->conf.lfsd_file = NULL;
3007 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003008 }
3009
Willy Tarreau62a61232013-04-12 18:13:46 +02003010 if (curproxy->conf.logformat_string) {
3011 curproxy->conf.args.ctx = ARGC_LOG;
3012 curproxy->conf.args.file = curproxy->conf.lfs_file;
3013 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003014 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003015 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003016 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003017 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
3018 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003019 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003020 cfgerr++;
3021 }
Willy Tarreau62a61232013-04-12 18:13:46 +02003022 curproxy->conf.args.file = NULL;
3023 curproxy->conf.args.line = 0;
3024 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003025
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003026 if (curproxy->conf.logformat_sd_string) {
3027 curproxy->conf.args.ctx = ARGC_LOGSD;
3028 curproxy->conf.args.file = curproxy->conf.lfsd_file;
3029 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003030 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003031 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003032 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003033 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3034 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003035 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003036 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003037 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003038 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3039 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003040 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003041 cfgerr++;
3042 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003043 curproxy->conf.args.file = NULL;
3044 curproxy->conf.args.line = 0;
3045 }
3046
Willy Tarreau62a61232013-04-12 18:13:46 +02003047 if (curproxy->conf.uniqueid_format_string) {
3048 curproxy->conf.args.ctx = ARGC_UIF;
3049 curproxy->conf.args.file = curproxy->conf.uif_file;
3050 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003051 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003052 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id, LOG_OPT_HTTP,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003053 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003054 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
3055 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003056 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003057 cfgerr++;
3058 }
Willy Tarreau62a61232013-04-12 18:13:46 +02003059 curproxy->conf.args.file = NULL;
3060 curproxy->conf.args.line = 0;
3061 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003062
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01003063 /* only now we can check if some args remain unresolved.
3064 * This must be done after the users and groups resolution.
3065 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003066 cfgerr += smp_resolve_args(curproxy);
3067 if (!cfgerr)
3068 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01003069
Willy Tarreau2738a142006-07-08 17:28:09 +02003070 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003071 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02003072 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02003073 (!curproxy->timeout.connect ||
3074 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003075 ha_warning("config : missing timeouts for %s '%s'.\n"
3076 " | While not properly invalid, you will certainly encounter various problems\n"
3077 " | with such a configuration. To fix this, please ensure that all following\n"
3078 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
3079 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003080 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02003081 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02003082
Willy Tarreau1fa31262007-12-03 00:36:16 +01003083 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
3084 * We must still support older configurations, so let's find out whether those
3085 * parameters have been set or must be copied from contimeouts.
3086 */
3087 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003088 if (!curproxy->timeout.tarpit ||
3089 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003090 /* tarpit timeout not set. We search in the following order:
3091 * default.tarpit, curr.connect, default.connect.
3092 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003093 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003094 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003095 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003096 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003097 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003098 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003099 }
3100 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003101 (!curproxy->timeout.queue ||
3102 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003103 /* queue timeout not set. We search in the following order:
3104 * default.queue, curr.connect, default.connect.
3105 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003106 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003107 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003108 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003109 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003110 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003111 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003112 }
3113 }
3114
Christopher Faulete5870d82020-04-15 11:32:03 +02003115 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_TCP_RS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003116 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3117 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003118 err_code |= ERR_WARN;
3119 }
3120
Willy Tarreau193b8c62012-11-22 00:17:38 +01003121 /* ensure that cookie capture length is not too large */
3122 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003123 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3124 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003125 err_code |= ERR_WARN;
3126 curproxy->capture_len = global.tune.cookie_len - 1;
3127 }
3128
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003129 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003130 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003131 curproxy->req_cap_pool = create_pool("ptrcap",
3132 curproxy->nb_req_cap * sizeof(char *),
3133 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003134 }
3135
3136 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003137 curproxy->rsp_cap_pool = create_pool("ptrcap",
3138 curproxy->nb_rsp_cap * sizeof(char *),
3139 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003140 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003141
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003142 switch (curproxy->load_server_state_from_file) {
3143 case PR_SRV_STATE_FILE_UNSPEC:
3144 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3145 break;
3146 case PR_SRV_STATE_FILE_GLOBAL:
3147 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003148 ha_warning("config : backend '%s' configured to load server state file from global section 'server-state-file' directive. Unfortunately, 'server-state-file' is not set!\n",
3149 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003150 err_code |= ERR_WARN;
3151 }
3152 break;
3153 }
3154
Willy Tarreaubaaee002006-06-26 02:48:02 +02003155 /* first, we will invert the servers list order */
3156 newsrv = NULL;
3157 while (curproxy->srv) {
3158 struct server *next;
3159
3160 next = curproxy->srv->next;
3161 curproxy->srv->next = newsrv;
3162 newsrv = curproxy->srv;
3163 if (!next)
3164 break;
3165 curproxy->srv = next;
3166 }
3167
Willy Tarreau17edc812014-01-03 12:14:34 +01003168 /* Check that no server name conflicts. This causes trouble in the stats.
3169 * We only emit a warning for the first conflict affecting each server,
3170 * in order to avoid combinatory explosion if all servers have the same
3171 * name. We do that only for servers which do not have an explicit ID,
3172 * because these IDs were made also for distinguishing them and we don't
3173 * want to annoy people who correctly manage them.
3174 */
3175 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3176 struct server *other_srv;
3177
3178 if (newsrv->puid)
3179 continue;
3180
3181 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3182 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02003183 ha_alert("parsing [%s:%d] : %s '%s', another server named '%s' was already defined at line %d, please use distinct names.\n",
Christopher Faulet767a84b2017-11-24 16:50:31 +01003184 newsrv->conf.file, newsrv->conf.line,
3185 proxy_type_str(curproxy), curproxy->id,
3186 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02003187 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01003188 break;
3189 }
3190 }
3191 }
3192
Willy Tarreaudd701652010-05-25 23:03:02 +02003193 /* assign automatic UIDs to servers which don't have one yet */
3194 next_id = 1;
3195 newsrv = curproxy->srv;
3196 while (newsrv != NULL) {
3197 if (!newsrv->puid) {
3198 /* server ID not set, use automatic numbering with first
3199 * spare entry starting with next_svid.
3200 */
3201 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3202 newsrv->conf.id.key = newsrv->puid = next_id;
3203 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02003204 newsrv->conf.name.key = newsrv->id;
3205 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02003206 }
3207 next_id++;
3208 newsrv = newsrv->next;
3209 }
3210
Willy Tarreau20697042007-11-15 23:26:18 +01003211 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003212 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003213
Willy Tarreau62c3be22012-01-20 13:12:32 +01003214 /*
3215 * If this server supports a maxconn parameter, it needs a dedicated
3216 * tasks to fill the emptied slots when a connection leaves.
3217 * Also, resolve deferred tracking dependency if needed.
3218 */
3219 newsrv = curproxy->srv;
3220 while (newsrv != NULL) {
3221 if (newsrv->minconn > newsrv->maxconn) {
3222 /* Only 'minconn' was specified, or it was higher than or equal
3223 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3224 * this will avoid further useless expensive computations.
3225 */
3226 newsrv->maxconn = newsrv->minconn;
3227 } else if (newsrv->maxconn && !newsrv->minconn) {
3228 /* minconn was not specified, so we set it to maxconn */
3229 newsrv->minconn = newsrv->maxconn;
3230 }
3231
Willy Tarreau17d45382016-12-22 21:16:08 +01003232 /* this will also properly set the transport layer for prod and checks */
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003233 if (newsrv->use_ssl == 1 || newsrv->check.use_ssl == 1 || (newsrv->proxy->options & PR_O_TCPCHK_SSL)) {
Willy Tarreau17d45382016-12-22 21:16:08 +01003234 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3235 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3236 }
Emeric Brun94324a42012-10-11 14:00:19 +02003237
Willy Tarreau034c88c2017-01-23 23:36:45 +01003238 if ((newsrv->flags & SRV_F_FASTOPEN) &&
3239 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
3240 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
3241 ha_warning("parsing [%s:%d] : %s '%s': server '%s' has tfo activated, the backend should be configured with at least 'conn-failure', 'empty-response' and 'response-timeout' or we wouldn't be able to retry the connection on failure.\n",
3242 newsrv->conf.file, newsrv->conf.line,
3243 proxy_type_str(curproxy), curproxy->id,
3244 newsrv->id);
3245
Willy Tarreau62c3be22012-01-20 13:12:32 +01003246 if (newsrv->trackit) {
3247 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003248 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003249 char *pname, *sname;
3250
3251 pname = newsrv->trackit;
3252 sname = strrchr(pname, '/');
3253
3254 if (sname)
3255 *sname++ = '\0';
3256 else {
3257 sname = pname;
3258 pname = NULL;
3259 }
3260
3261 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003262 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003263 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003264 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3265 proxy_type_str(curproxy), curproxy->id,
3266 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003267 cfgerr++;
3268 goto next_srv;
3269 }
3270 } else
3271 px = curproxy;
3272
3273 srv = findserver(px, sname);
3274 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003275 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3276 proxy_type_str(curproxy), curproxy->id,
3277 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003278 cfgerr++;
3279 goto next_srv;
3280 }
3281
Christopher Faulet8892e5d2020-03-26 19:48:20 +01003282 if (!srv->do_check && !srv->do_agent && !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003283 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3284 "tracking as it does not have any check nor agent enabled.\n",
3285 proxy_type_str(curproxy), curproxy->id,
3286 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003287 cfgerr++;
3288 goto next_srv;
3289 }
3290
3291 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3292
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003293 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003294 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3295 "belongs to a tracking chain looping back to %s/%s.\n",
3296 proxy_type_str(curproxy), curproxy->id,
3297 newsrv->id, px->id, srv->id, px->id,
3298 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003299 cfgerr++;
3300 goto next_srv;
3301 }
3302
3303 if (curproxy != px &&
3304 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003305 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3306 "tracking: disable-on-404 option inconsistency.\n",
3307 proxy_type_str(curproxy), curproxy->id,
3308 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003309 cfgerr++;
3310 goto next_srv;
3311 }
3312
Willy Tarreau62c3be22012-01-20 13:12:32 +01003313 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003314 newsrv->tracknext = srv->trackers;
3315 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003316
3317 free(newsrv->trackit);
3318 newsrv->trackit = NULL;
3319 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003320
Willy Tarreau62c3be22012-01-20 13:12:32 +01003321 next_srv:
3322 newsrv = newsrv->next;
3323 }
3324
Olivier Houchard4e694042017-03-14 20:01:29 +01003325 /*
3326 * Try to generate dynamic cookies for servers now.
3327 * It couldn't be done earlier, since at the time we parsed
3328 * the server line, we may not have known yet that we
3329 * should use dynamic cookies, or the secret key may not
3330 * have been provided yet.
3331 */
3332 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3333 newsrv = curproxy->srv;
3334 while (newsrv != NULL) {
3335 srv_set_dyncookie(newsrv);
3336 newsrv = newsrv->next;
3337 }
3338
3339 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003340 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003341 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003342 */
3343
3344 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3345 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3346 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003347 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3348 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3349 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003350 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3351 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3352 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003353 } else {
3354 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3355 fwrr_init_server_groups(curproxy);
3356 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003357 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003358
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003359 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003360 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3361 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3362 fwlc_init_server_tree(curproxy);
3363 } else {
3364 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3365 fas_init_server_tree(curproxy);
3366 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003367 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003368
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003369 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003370 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3371 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3372 chash_init_server_tree(curproxy);
3373 } else {
3374 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3375 init_server_map(curproxy);
3376 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003377 break;
3378 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003379 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003380
3381 if (curproxy->options & PR_O_LOGASAP)
3382 curproxy->to_log &= ~LW_BYTES;
3383
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003384 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003385 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3386 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003387 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3388 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003389 err_code |= ERR_WARN;
3390 }
3391
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003392 if (curproxy->mode != PR_MODE_HTTP) {
3393 int optnum;
3394
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003395 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003396 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3397 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003398 err_code |= ERR_WARN;
3399 curproxy->uri_auth = NULL;
3400 }
3401
Willy Tarreaude7dc882017-03-10 11:49:21 +01003402 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003403 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3404 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003405 err_code |= ERR_WARN;
3406 }
3407
3408 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003409 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3410 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003411 err_code |= ERR_WARN;
3412 }
3413
3414 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003415 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3416 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003417 err_code |= ERR_WARN;
3418 }
3419
Willy Tarreaude7dc882017-03-10 11:49:21 +01003420 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003421 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3422 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003423 err_code |= ERR_WARN;
3424 }
3425
Willy Tarreau87cf5142011-08-19 22:57:24 +02003426 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003427 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3428 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003429 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003430 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003431 }
3432
3433 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003434 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3435 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003436 err_code |= ERR_WARN;
3437 curproxy->options &= ~PR_O_ORGTO;
3438 }
3439
3440 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3441 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3442 (curproxy->cap & cfg_opts[optnum].cap) &&
3443 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003444 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3445 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003446 err_code |= ERR_WARN;
3447 curproxy->options &= ~cfg_opts[optnum].val;
3448 }
3449 }
3450
3451 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3452 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3453 (curproxy->cap & cfg_opts2[optnum].cap) &&
3454 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003455 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3456 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003457 err_code |= ERR_WARN;
3458 curproxy->options2 &= ~cfg_opts2[optnum].val;
3459 }
3460 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003461
Willy Tarreau29fbe512015-08-20 19:35:14 +02003462#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003463 if (curproxy->conn_src.bind_hdr_occ) {
3464 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003465 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3466 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003467 err_code |= ERR_WARN;
3468 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003469#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003470 }
3471
Willy Tarreaubaaee002006-06-26 02:48:02 +02003472 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003473 * ensure that we're not cross-dressing a TCP server into HTTP.
3474 */
3475 newsrv = curproxy->srv;
3476 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003477 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003478 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3479 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003480 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003481 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003482
Willy Tarreau0cec3312011-10-31 13:49:26 +01003483 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003484 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3485 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003486 err_code |= ERR_WARN;
3487 }
3488
Willy Tarreauc93cd162014-05-13 15:54:22 +02003489 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003490 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3491 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003492 err_code |= ERR_WARN;
3493 }
3494
Willy Tarreau29fbe512015-08-20 19:35:14 +02003495#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003496 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3497 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003498 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3499 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003500 err_code |= ERR_WARN;
3501 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003502#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003503
Willy Tarreau46deab62018-04-28 07:18:15 +02003504 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3505 curproxy->options &= ~PR_O_REUSE_MASK;
3506
Willy Tarreau21d2af32008-02-14 20:25:24 +01003507 newsrv = newsrv->next;
3508 }
3509
Christopher Fauletd7c91962015-04-30 11:48:27 +02003510 /* Check filter configuration, if any */
3511 cfgerr += flt_check(curproxy);
3512
Willy Tarreauc1a21672009-08-16 22:37:44 +02003513 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003514 if (!curproxy->accept)
3515 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003516
Willy Tarreauc1a21672009-08-16 22:37:44 +02003517 if (curproxy->tcp_req.inspect_delay ||
3518 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003519 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003520
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003521 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003522 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003523 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003524 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003525
William Lallemandcf62f7e2018-10-26 14:47:40 +02003526 if (curproxy->mode == PR_MODE_CLI) {
3527 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3528 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3529 }
3530
Willy Tarreauc1a21672009-08-16 22:37:44 +02003531 /* both TCP and HTTP must check switching rules */
3532 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003533
3534 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003535 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003536 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3537 curproxy->fe_rsp_ana |= AN_RES_FLT_START_FE | AN_RES_FLT_XFER_DATA | AN_RES_FLT_END;
Christopher Faulet309c6412015-12-02 09:57:32 +01003538 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003539 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3540 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003541 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003542 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003543 }
3544
3545 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003546 if (curproxy->tcp_req.inspect_delay ||
3547 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3548 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3549
Emeric Brun97679e72010-09-23 17:56:44 +02003550 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3551 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3552
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003553 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003554 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003555 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003556 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003557
3558 /* If the backend does requires RDP cookie persistence, we have to
3559 * enable the corresponding analyser.
3560 */
3561 if (curproxy->options2 & PR_O2_RDPC_PRST)
3562 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003563
3564 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003565 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003566 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3567 curproxy->be_rsp_ana |= AN_RES_FLT_START_BE | AN_RES_FLT_XFER_DATA | AN_RES_FLT_END;
Christopher Faulet309c6412015-12-02 09:57:32 +01003568 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003569 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3570 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003571 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003572 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003573 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003574
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003575 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003576 * attached to the current proxy */
3577 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3578 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003579 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003580
3581 if (!bind_conf->mux_proto)
3582 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003583
3584 /* it is possible that an incorrect mux was referenced
3585 * due to the proxy's mode not being taken into account
3586 * on first pass. Let's adjust it now.
3587 */
3588 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3589
3590 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003591 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3592 proxy_type_str(curproxy), curproxy->id,
3593 (int)bind_conf->mux_proto->token.len,
3594 bind_conf->mux_proto->token.ptr,
3595 bind_conf->arg, bind_conf->file, bind_conf->line);
3596 cfgerr++;
3597 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003598
3599 /* update the mux */
3600 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003601 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003602 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3603 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003604 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003605
3606 if (!newsrv->mux_proto)
3607 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003608
3609 /* it is possible that an incorrect mux was referenced
3610 * due to the proxy's mode not being taken into account
3611 * on first pass. Let's adjust it now.
3612 */
3613 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3614
3615 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003616 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3617 proxy_type_str(curproxy), curproxy->id,
3618 (int)newsrv->mux_proto->token.len,
3619 newsrv->mux_proto->token.ptr,
3620 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3621 cfgerr++;
3622 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003623
3624 /* update the mux */
3625 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003626 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003627
3628 /* initialize idle conns lists */
3629 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3630 int i;
3631
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003632 newsrv->available_conns = calloc((unsigned)global.nbthread, sizeof(*newsrv->available_conns));
Willy Tarreau835daa12019-02-07 14:46:29 +01003633
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003634 if (!newsrv->available_conns) {
Willy Tarreau835daa12019-02-07 14:46:29 +01003635 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003636 newsrv->conf.file, newsrv->conf.line, newsrv->id);
Willy Tarreau835daa12019-02-07 14:46:29 +01003637 cfgerr++;
3638 continue;
3639 }
3640
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003641 for (i = 0; i < global.nbthread; i++)
3642 LIST_INIT(&newsrv->available_conns[i]);
Willy Tarreau980855b2019-02-07 14:59:29 +01003643
3644 if (newsrv->max_idle_conns != 0) {
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003645 if (idle_conn_task == NULL) {
3646 idle_conn_task = task_new(MAX_THREADS_MASK);
3647 if (!idle_conn_task)
3648 goto err;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003649
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003650 idle_conn_task->process = srv_cleanup_idle_connections;
3651 idle_conn_task->context = NULL;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003652
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003653 for (i = 0; i < global.nbthread; i++) {
Willy Tarreaubbb5f1d2019-10-18 08:50:49 +02003654 idle_conn_cleanup[i] = task_new(1UL << i);
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003655 if (!idle_conn_cleanup[i])
3656 goto err;
3657 idle_conn_cleanup[i]->process = srv_cleanup_toremove_connections;
3658 idle_conn_cleanup[i]->context = NULL;
Olivier Houchard859dc802019-08-08 15:47:21 +02003659 MT_LIST_INIT(&toremove_connections[i]);
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003660 }
3661 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003662
3663 newsrv->idle_conns = calloc((unsigned)global.nbthread, sizeof(*newsrv->idle_conns));
3664 if (!newsrv->idle_conns) {
3665 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3666 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3667 cfgerr++;
3668 continue;
3669 }
3670
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003671 for (i = 0; i < global.nbthread; i++)
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003672 MT_LIST_INIT(&newsrv->idle_conns[i]);
3673
3674 newsrv->safe_conns = calloc((unsigned)global.nbthread, sizeof(*newsrv->safe_conns));
3675 if (!newsrv->safe_conns) {
3676 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3677 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3678 cfgerr++;
3679 continue;
3680 }
3681
3682 for (i = 0; i < global.nbthread; i++)
3683 MT_LIST_INIT(&newsrv->safe_conns[i]);
3684
3685 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(int));
Olivier Houchardf1314812019-02-18 16:41:17 +01003686 if (!newsrv->curr_idle_thr)
3687 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003688 continue;
3689 err:
3690 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3691 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3692 cfgerr++;
3693 continue;
3694 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003695 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003696 }
3697
3698 /***********************************************************/
3699 /* At this point, target names have already been resolved. */
3700 /***********************************************************/
3701
3702 /* Check multi-process mode compatibility */
3703
3704 if (global.nbproc > 1 && global.stats_fe) {
3705 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3706 unsigned long mask;
3707
Willy Tarreau6daac192019-02-02 17:39:53 +01003708 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
3709 mask &= proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003710
3711 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003712 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003713 break;
3714 }
3715 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003716 ha_warning("stats socket will not work as expected in multi-process mode (nbproc > 1), you should force process binding globally using 'stats bind-process' or per socket using the 'process' attribute.\n");
Willy Tarreau419ead82014-09-16 13:41:21 +02003717 }
3718 }
3719
3720 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003721 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003722 if (curproxy->bind_proc)
3723 continue;
3724
3725 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3726 unsigned long mask;
3727
Willy Tarreau6daac192019-02-02 17:39:53 +01003728 mask = proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003729 curproxy->bind_proc |= mask;
3730 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003731 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003732 }
3733
3734 if (global.stats_fe) {
3735 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3736 unsigned long mask;
3737
Cyril Bonté06181952016-02-24 00:14:54 +01003738 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003739 global.stats_fe->bind_proc |= mask;
3740 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003741 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003742 }
3743
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003744 /* propagate bindings from frontends to backends. Don't do it if there
3745 * are any fatal errors as we must not call it with unresolved proxies.
3746 */
3747 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003748 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003749 if (curproxy->cap & PR_CAP_FE)
3750 propagate_processes(curproxy, NULL);
3751 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003752 }
3753
3754 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003755 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3756 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003757
3758 /*******************************************************/
3759 /* At this step, all proxies have a non-null bind_proc */
3760 /*******************************************************/
3761
3762 /* perform the final checks before creating tasks */
3763
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003764 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003765 struct listener *listener;
3766 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003767
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003768 /* Configure SSL for each bind line.
3769 * Note: if configuration fails at some point, the ->ctx member
3770 * remains NULL so that listeners can later detach.
3771 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003772 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003773 if (bind_conf->xprt->prepare_bind_conf &&
3774 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003775 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003776 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003777
Willy Tarreaue6b98942007-10-29 01:09:36 +01003778 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003779 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003780 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003781 int nbproc;
3782
3783 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003784 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003785 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003786
3787 if (!nbproc) /* no intersection between listener and frontend */
3788 nbproc = 1;
3789
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003790 if (!listener->luid) {
3791 /* listener ID not set, use automatic numbering with first
3792 * spare entry starting with next_luid.
3793 */
3794 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3795 listener->conf.id.key = listener->luid = next_id;
3796 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003797 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003798 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003799
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003800 /* enable separate counters */
3801 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003802 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003803 if (!listener->name)
3804 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003805 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003806
Willy Tarreaue6b98942007-10-29 01:09:36 +01003807 if (curproxy->options & PR_O_TCP_NOLING)
3808 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003809 if (!listener->maxaccept)
3810 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3811
3812 /* we want to have an optimal behaviour on single process mode to
3813 * maximize the work at once, but in multi-process we want to keep
3814 * some fairness between processes, so we target half of the max
3815 * number of events to be balanced over all the processes the proxy
Ilya Shipitsin6fb0f212020-04-02 15:25:26 +05003816 * is bound to. Remember that maxaccept = -1 must be kept as it is
Willy Tarreau16a21472012-11-19 12:39:59 +01003817 * used to disable the limit.
3818 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003819 if (listener->maxaccept > 0 && nbproc > 1) {
3820 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003821 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3822 }
3823
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003824 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003825 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003826 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003827
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003828 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003829 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003830
Willy Tarreau620408f2016-10-21 16:37:51 +02003831 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3832 listener->options |= LI_O_TCP_L5_RULES;
3833
Willy Tarreaude3041d2010-05-31 10:56:17 +02003834 if (curproxy->mon_mask.s_addr)
3835 listener->options |= LI_O_CHK_MONNET;
3836
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003837 /* smart accept mode is automatic in HTTP mode */
3838 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003839 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003840 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3841 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003842 }
3843
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003844 /* Release unused SSL configs */
3845 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003846 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3847 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003848 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003849
Willy Tarreaua38a7172019-02-02 17:11:28 +01003850 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003851 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003852 int count, maxproc = 0;
3853
3854 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003855 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003856 if (count > maxproc)
3857 maxproc = count;
3858 }
3859 /* backends have 0, frontends have 1 or more */
3860 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003861 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3862 " limited to process assigned to the current request.\n",
3863 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003864
Willy Tarreau102df612014-05-07 23:56:38 +02003865 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003866 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3867 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003868 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003869 }
Willy Tarreau102df612014-05-07 23:56:38 +02003870 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003871 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3872 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003873 }
3874 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003875
3876 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003877 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003878 if (curproxy->task) {
3879 curproxy->task->context = curproxy;
3880 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003881 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003882 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3883 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003884 cfgerr++;
3885 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003886 }
3887
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003888 /*
3889 * Recount currently required checks.
3890 */
3891
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003892 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003893 int optnum;
3894
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003895 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3896 if (curproxy->options & cfg_opts[optnum].val)
3897 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003898
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003899 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3900 if (curproxy->options2 & cfg_opts2[optnum].val)
3901 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003902 }
3903
Willy Tarreau0fca4832015-05-01 19:12:05 +02003904 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003905 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003906 if (curproxy->table && curproxy->table->peers.p)
3907 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003908
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003909 /* compute the required process bindings for the peers from <stktables_list>
3910 * for all the stick-tables, the ones coming with "peers" sections included.
3911 */
3912 for (t = stktables_list; t; t = t->next) {
3913 struct proxy *p;
3914
3915 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3916 if (t->peers.p && t->peers.p->peers_fe) {
3917 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3918 }
3919 }
3920 }
3921
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003922 if (cfg_peers) {
3923 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003924 struct peer *p, *pb;
3925
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003926 /* In the case the peers frontend was not initialized by a
3927 stick-table used in the configuration, set its bind_proc
3928 by default to the first process. */
3929 while (curpeers) {
William Lallemand3ef2d562020-03-24 16:42:15 +01003930 if (curpeers->peers_fe) {
3931 if (curpeers->peers_fe->bind_proc == 0)
3932 curpeers->peers_fe->bind_proc = 1;
3933 }
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003934 curpeers = curpeers->next;
3935 }
3936
3937 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02003938 /* Remove all peers sections which don't have a valid listener,
3939 * which are not used by any table, or which are bound to more
3940 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003941 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003942 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003943 while (*last) {
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003944 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02003945 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003946
3947 if (curpeers->state == PR_STSTOPPED) {
3948 /* the "disabled" keyword was present */
3949 if (curpeers->peers_fe)
3950 stop_proxy(curpeers->peers_fe);
3951 curpeers->peers_fe = NULL;
3952 }
Frédéric Lécaille5a4fe5a2019-10-04 08:30:04 +02003953 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003954 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3955 curpeers->id, localpeer);
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003956 if (curpeers->peers_fe)
3957 stop_proxy(curpeers->peers_fe);
3958 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003959 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003960 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003961 /* either it's totally stopped or too much used */
3962 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003963 ha_alert("Peers section '%s': peers referenced by sections "
3964 "running in different processes (%d different ones). "
3965 "Check global.nbproc and all tables' bind-process "
3966 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003967 cfgerr++;
3968 }
3969 stop_proxy(curpeers->peers_fe);
3970 curpeers->peers_fe = NULL;
3971 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003972 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003973 /* Initializes the transport layer of the server part of all the peers belonging to
3974 * <curpeers> section if required.
3975 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3976 * of an old process.
3977 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003978 p = curpeers->remote;
3979 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003980 if (p->srv) {
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003981 if (p->srv->use_ssl == 1 && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003982 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3983 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003984 p = p->next;
3985 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003986 /* Configure the SSL bindings of the local peer if required. */
3987 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3988 struct list *l;
3989 struct bind_conf *bind_conf;
3990
3991 l = &curpeers->peers_fe->conf.bind;
3992 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3993 if (bind_conf->xprt->prepare_bind_conf &&
3994 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3995 cfgerr++;
3996 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02003997 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02003998 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3999 curpeers->id);
4000 cfgerr++;
4001 break;
4002 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004003 last = &curpeers->next;
4004 continue;
4005 }
4006
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004007 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02004008 p = curpeers->remote;
4009 while (p) {
4010 pb = p->next;
4011 free(p->id);
4012 free(p);
4013 p = pb;
4014 }
4015
4016 /* Destroy and unlink this curpeers section.
4017 * Note: curpeers is backed up into *last.
4018 */
4019 free(curpeers->id);
4020 curpeers = curpeers->next;
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01004021 /* Reset any refereance to this peers section in the list of stick-tables */
4022 for (t = stktables_list; t; t = t->next) {
4023 if (t->peers.p && t->peers.p == *last)
4024 t->peers.p = NULL;
4025 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004026 free(*last);
4027 *last = curpeers;
4028 }
4029 }
4030
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004031 for (t = stktables_list; t; t = t->next) {
4032 if (t->proxy)
4033 continue;
4034 if (!stktable_init(t)) {
4035 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
4036 cfgerr++;
4037 }
4038 }
4039
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004040 /* initialize stick-tables on backend capable proxies. This must not
4041 * be done earlier because the data size may be discovered while parsing
4042 * other proxies.
4043 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004044 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004045 if (curproxy->state == PR_STSTOPPED || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004046 continue;
4047
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004048 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004049 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004050 cfgerr++;
4051 }
4052 }
4053
Simon Horman0d16a402015-01-30 11:22:58 +09004054 if (mailers) {
4055 struct mailers *curmailers = mailers, **last;
4056 struct mailer *m, *mb;
4057
4058 /* Remove all mailers sections which don't have a valid listener.
4059 * This can happen when a mailers section is never referenced.
4060 */
4061 last = &mailers;
4062 while (*last) {
4063 curmailers = *last;
4064 if (curmailers->users) {
4065 last = &curmailers->next;
4066 continue;
4067 }
4068
Christopher Faulet767a84b2017-11-24 16:50:31 +01004069 ha_warning("Removing incomplete section 'mailers %s'.\n",
4070 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09004071
4072 m = curmailers->mailer_list;
4073 while (m) {
4074 mb = m->next;
4075 free(m->id);
4076 free(m);
4077 m = mb;
4078 }
4079
4080 /* Destroy and unlink this curmailers section.
4081 * Note: curmailers is backed up into *last.
4082 */
4083 free(curmailers->id);
4084 curmailers = curmailers->next;
4085 free(*last);
4086 *last = curmailers;
4087 }
4088 }
4089
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004090 /* Update server_state_file_name to backend name if backend is supposed to use
4091 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004092 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004093 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
4094 curproxy->server_state_file_name == NULL)
4095 curproxy->server_state_file_name = strdup(curproxy->id);
4096 }
4097
Ben Draut054fbee2018-04-13 15:43:04 -06004098 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
4099 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
4100 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
4101 curr_resolvers->id, curr_resolvers->conf.file,
4102 curr_resolvers->conf.line);
4103 err_code |= ERR_WARN;
4104 }
4105 }
4106
William Lallemand48b4bb42017-10-23 14:36:34 +02004107 list_for_each_entry(postparser, &postparsers, list) {
4108 if (postparser->func)
4109 cfgerr += postparser->func();
4110 }
4111
Willy Tarreaubb925012009-07-23 13:36:36 +02004112 if (cfgerr > 0)
4113 err_code |= ERR_ALERT | ERR_FATAL;
4114 out:
4115 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004116}
4117
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004118/*
4119 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4120 * parsing sessions.
4121 */
4122void cfg_register_keywords(struct cfg_kw_list *kwl)
4123{
4124 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
4125}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004126
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004127/*
4128 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4129 */
4130void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4131{
4132 LIST_DEL(&kwl->list);
4133 LIST_INIT(&kwl->list);
4134}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004135
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004136/* this function register new section in the haproxy configuration file.
4137 * <section_name> is the name of this new section and <section_parser>
4138 * is the called parser. If two section declaration have the same name,
4139 * only the first declared is used.
4140 */
4141int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004142 int (*section_parser)(const char *, int, char **, int),
4143 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004144{
4145 struct cfg_section *cs;
4146
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004147 list_for_each_entry(cs, &sections, list) {
4148 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004149 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004150 return 0;
4151 }
4152 }
4153
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004154 cs = calloc(1, sizeof(*cs));
4155 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004156 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004157 return 0;
4158 }
4159
4160 cs->section_name = section_name;
4161 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004162 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004163
4164 LIST_ADDQ(&sections, &cs->list);
4165
4166 return 1;
4167}
4168
William Lallemand48b4bb42017-10-23 14:36:34 +02004169/* this function register a new function which will be called once the haproxy
4170 * configuration file has been parsed. It's useful to check dependencies
4171 * between sections or to resolve items once everything is parsed.
4172 */
4173int cfg_register_postparser(char *name, int (*func)())
4174{
4175 struct cfg_postparser *cp;
4176
4177 cp = calloc(1, sizeof(*cp));
4178 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004179 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004180 return 0;
4181 }
4182 cp->name = name;
4183 cp->func = func;
4184
4185 LIST_ADDQ(&postparsers, &cp->list);
4186
4187 return 1;
4188}
4189
Willy Tarreaubaaee002006-06-26 02:48:02 +02004190/*
David Carlier845efb52015-09-25 11:49:18 +01004191 * free all config section entries
4192 */
4193void cfg_unregister_sections(void)
4194{
4195 struct cfg_section *cs, *ics;
4196
4197 list_for_each_entry_safe(cs, ics, &sections, list) {
4198 LIST_DEL(&cs->list);
4199 free(cs);
4200 }
4201}
4202
Christopher Faulet7110b402016-10-26 11:09:44 +02004203void cfg_backup_sections(struct list *backup_sections)
4204{
4205 struct cfg_section *cs, *ics;
4206
4207 list_for_each_entry_safe(cs, ics, &sections, list) {
4208 LIST_DEL(&cs->list);
4209 LIST_ADDQ(backup_sections, &cs->list);
4210 }
4211}
4212
4213void cfg_restore_sections(struct list *backup_sections)
4214{
4215 struct cfg_section *cs, *ics;
4216
4217 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4218 LIST_DEL(&cs->list);
4219 LIST_ADDQ(&sections, &cs->list);
4220 }
4221}
4222
Willy Tarreaue6552512018-11-26 11:33:13 +01004223/* these are the config sections handled by default */
4224REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4225REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4226REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4227REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4228REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4229REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4230REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4231REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4232REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4233REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004234
David Carlier845efb52015-09-25 11:49:18 +01004235/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004236 * Local variables:
4237 * c-indent-level: 8
4238 * c-basic-offset: 8
4239 * End:
4240 */