blob: 12585d0618f527b2c1a06494b2f53001cb36d9d1 [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 Tarreaudcc048a2020-06-04 19:11:43 +020036#include <haproxy/acl.h>
Willy Tarreau122eba92020-06-04 10:15:32 +020037#include <haproxy/action-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020038#include <haproxy/api.h>
Willy Tarreauac13aea2020-06-04 10:36:03 +020039#include <haproxy/auth.h>
Willy Tarreau49801602020-06-04 22:50:02 +020040#include <haproxy/backend.h>
Willy Tarreau278161c2020-06-04 11:18:28 +020041#include <haproxy/capture.h>
Willy Tarreau6be78492020-06-05 00:00:29 +020042#include <haproxy/cfgparse.h>
Willy Tarreauf1d32c42020-06-04 21:07:02 +020043#include <haproxy/channel.h>
Willy Tarreau4aa573d2020-06-04 18:21:56 +020044#include <haproxy/check.h>
Willy Tarreauc13ed532020-06-02 10:22:45 +020045#include <haproxy/chunk.h>
Willy Tarreau7ea393d2020-06-04 18:02:10 +020046#include <haproxy/connection.h>
Willy Tarreaueb92deb2020-06-04 10:53:16 +020047#include <haproxy/dns.h>
Willy Tarreau8d366972020-05-27 16:10:29 +020048#include <haproxy/errors.h>
Willy Tarreauc7babd82020-06-04 21:29:29 +020049#include <haproxy/filters.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020050#include <haproxy/frontend.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020051#include <haproxy/global.h>
Willy Tarreauc2b1ff02020-06-04 21:21:03 +020052#include <haproxy/http_ana.h>
Willy Tarreauc761f842020-06-04 11:40:28 +020053#include <haproxy/http_rules.h>
Willy Tarreaufbe8da32020-06-04 14:34:27 +020054#include <haproxy/lb_chash.h>
Willy Tarreaub5fc3bf2020-06-04 14:37:38 +020055#include <haproxy/lb_fas.h>
Willy Tarreau02549412020-06-04 14:41:04 +020056#include <haproxy/lb_fwlc.h>
Willy Tarreau546ba422020-06-04 14:45:03 +020057#include <haproxy/lb_fwrr.h>
Willy Tarreau28671592020-06-04 20:22:59 +020058#include <haproxy/lb_map.h>
Willy Tarreau213e9902020-06-04 14:58:24 +020059#include <haproxy/listener.h>
Willy Tarreauaeed4a82020-06-04 22:01:04 +020060#include <haproxy/log.h>
Willy Tarreaucee013e2020-06-05 11:40:38 +020061#include <haproxy/mailers.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020062#include <haproxy/namespace.h>
Willy Tarreau8efbdfb2020-06-04 11:29:21 +020063#include <haproxy/obj_type-t.h>
Willy Tarreau3c2a7c22020-06-04 18:38:21 +020064#include <haproxy/peers-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020065#include <haproxy/peers.h>
Willy Tarreaud0ef4392020-06-02 09:38:52 +020066#include <haproxy/pool.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020067#include <haproxy/protocol.h>
Willy Tarreaua264d962020-06-04 22:29:18 +020068#include <haproxy/proxy.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020069#include <haproxy/sample.h>
70#include <haproxy/server.h>
Willy Tarreau48d25b32020-06-04 18:58:52 +020071#include <haproxy/session.h>
Willy Tarreau2eec9b52020-06-04 19:58:55 +020072#include <haproxy/stats-t.h>
Willy Tarreau872f2ea2020-06-04 18:46:44 +020073#include <haproxy/stick_table.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020074#include <haproxy/stream.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020075#include <haproxy/task.h>
Willy Tarreau8b550af2020-06-04 17:42:48 +020076#include <haproxy/tcp_rules.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020077#include <haproxy/thread.h>
78#include <haproxy/time.h>
79#include <haproxy/tools.h>
80#include <haproxy/uri_auth-t.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020081
82
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +010083/* Used to chain configuration sections definitions. This list
84 * stores struct cfg_section
85 */
86struct list sections = LIST_HEAD_INIT(sections);
87
William Lallemand48b4bb42017-10-23 14:36:34 +020088struct list postparsers = LIST_HEAD_INIT(postparsers);
89
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +010090char *cursection = NULL;
91struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreauc8d5b952019-02-27 17:25:52 +010092int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +010093int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +010094char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +020095
Willy Tarreau5b2c3362008-07-09 19:39:06 +020096/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +010097struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +020098 .list = LIST_HEAD_INIT(cfg_keywords.list)
99};
100
Willy Tarreaubaaee002006-06-26 02:48:02 +0200101/*
102 * converts <str> to a list of listeners which are dynamically allocated.
103 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
104 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
105 * - <port> is a numerical port from 1 to 65535 ;
106 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
107 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200108 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
109 * not NULL, it must be a valid pointer to either NULL or a freeable area that
110 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200111 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200112int 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 +0200113{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200114 struct protocol *proto;
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100115 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200116 int port, end;
117
118 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200119
Willy Tarreaubaaee002006-06-26 02:48:02 +0200120 while (next && *next) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200121 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100122 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200123
124 str = next;
125 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100126 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200127 *next++ = 0;
128 }
129
Willy Tarreau5fc93282020-09-16 18:25:03 +0200130 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200131 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Willy Tarreau32819932020-09-04 15:53:16 +0200132 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
Willy Tarreau5e1779a2020-09-16 16:28:08 +0200133 PA_O_SOCKET_FD | PA_O_STREAM | PA_O_XPRT);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100134 if (!ss2)
135 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200136
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100137 /* OK the address looks correct */
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200138 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200139 memprintf(err, "%s for address '%s'.\n", *err, str);
140 goto fail;
141 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200142 } /* end while(next) */
143 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200144 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200145 fail:
146 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200147 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200148}
149
William Lallemand6e62fb62015-04-28 16:55:23 +0200150/*
Willy Tarreauaa333122020-09-16 15:13:04 +0200151 * converts <str> to a list of datagram-oriented listeners which are dynamically
152 * allocated.
153 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
154 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
155 * - <port> is a numerical port from 1 to 65535 ;
156 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
157 * This can be repeated as many times as necessary, separated by a coma.
158 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
159 * not NULL, it must be a valid pointer to either NULL or a freeable area that
160 * will be replaced with an error message.
161 */
162int str2receiver(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
163{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200164 struct protocol *proto;
Willy Tarreauaa333122020-09-16 15:13:04 +0200165 char *next, *dupstr;
166 int port, end;
167
168 next = dupstr = strdup(str);
169
170 while (next && *next) {
171 struct sockaddr_storage *ss2;
172 int fd = -1;
173
174 str = next;
175 /* 1) look for the end of the first address */
176 if ((next = strchr(str, ',')) != NULL) {
177 *next++ = 0;
178 }
179
Willy Tarreau5fc93282020-09-16 18:25:03 +0200180 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreauaa333122020-09-16 15:13:04 +0200181 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
182 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
183 PA_O_SOCKET_FD | PA_O_DGRAM | PA_O_XPRT);
184 if (!ss2)
185 goto fail;
186
187 /* OK the address looks correct */
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200188 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreauaa333122020-09-16 15:13:04 +0200189 memprintf(err, "%s for address '%s'.\n", *err, str);
190 goto fail;
191 }
192 } /* end while(next) */
193 free(dupstr);
194 return 1;
195 fail:
196 free(dupstr);
197 return 0;
198}
199
200/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100201 * Report an error in <msg> when there are too many arguments. This version is
202 * intended to be used by keyword parsers so that the message will be included
203 * into the general error message. The index is the current keyword in args.
204 * Return 0 if the number of argument is correct, otherwise build a message and
205 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
206 * message may also be null, it will simply not be produced (useful to check only).
207 * <msg> and <err_code> are only affected on error.
208 */
209int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
210{
211 int i;
212
213 if (!*args[index + maxarg + 1])
214 return 0;
215
216 if (msg) {
217 *msg = NULL;
218 memprintf(msg, "%s", args[0]);
219 for (i = 1; i <= index; i++)
220 memprintf(msg, "%s %s", *msg, args[i]);
221
222 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
223 }
224 if (err_code)
225 *err_code |= ERR_ALERT | ERR_FATAL;
226
227 return 1;
228}
229
230/*
231 * same as too_many_args_idx with a 0 index
232 */
233int too_many_args(int maxarg, char **args, char **msg, int *err_code)
234{
235 return too_many_args_idx(maxarg, 0, args, msg, err_code);
236}
237
238/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200239 * Report a fatal Alert when there is too much arguments
240 * The index is the current keyword in args
241 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
242 * Fill err_code with an ERR_ALERT and an ERR_FATAL
243 */
244int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
245{
246 char *kw = NULL;
247 int i;
248
249 if (!*args[index + maxarg + 1])
250 return 0;
251
252 memprintf(&kw, "%s", args[0]);
253 for (i = 1; i <= index; i++) {
254 memprintf(&kw, "%s %s", kw, args[i]);
255 }
256
Christopher Faulet767a84b2017-11-24 16:50:31 +0100257 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 +0200258 free(kw);
259 *err_code |= ERR_ALERT | ERR_FATAL;
260 return 1;
261}
262
263/*
264 * same as alertif_too_many_args_idx with a 0 index
265 */
266int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
267{
268 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
269}
270
Willy Tarreau61d18892009-03-31 10:49:21 +0200271
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100272/* Report it if a request ACL condition uses some keywords that are incompatible
273 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
274 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
275 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100276 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100277int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100278{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100279 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200280 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100281
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100282 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100283 return 0;
284
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100285 acl = acl_cond_conflicts(cond, where);
286 if (acl) {
287 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100288 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
289 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100290 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100291 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
292 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100293 return ERR_WARN;
294 }
295 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100296 return 0;
297
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100298 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100299 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
300 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100301 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100302 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
303 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100304 return ERR_WARN;
305}
306
Christopher Faulet62519022017-10-16 15:49:32 +0200307/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100308 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100309 * two such numbers delimited by a dash ('-'). On success, it returns
310 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200311 *
312 * Note: this function can also be used to parse a thread number or a set of
313 * threads.
314 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100315int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200316{
Christopher Faulet26028f62017-11-22 15:01:51 +0100317 if (autoinc) {
318 *autoinc = 0;
319 if (strncmp(arg, "auto:", 5) == 0) {
320 arg += 5;
321 *autoinc = 1;
322 }
323 }
324
Christopher Faulet62519022017-10-16 15:49:32 +0200325 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100326 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200327 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100328 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200329 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100330 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200331 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100332 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100333 unsigned int low, high;
334
Christopher Faulet18cca782019-02-07 16:29:41 +0100335 for (p = arg; *p; p++) {
336 if (*p == '-' && !dash)
337 dash = p;
Willy Tarreau90807112020-02-25 08:16:33 +0100338 else if (!isdigit((unsigned char)*p)) {
Christopher Faulet18cca782019-02-07 16:29:41 +0100339 memprintf(err, "'%s' is not a valid number/range.", arg);
340 return -1;
341 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100342 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100343
344 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100345 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100346 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100347
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100348 if (high < low) {
349 unsigned int swap = low;
350 low = high;
351 high = swap;
352 }
353
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100354 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100355 memprintf(err, "'%s' is not a valid number/range."
356 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100357 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100358 return 1;
359 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100360
361 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100362 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200363 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100364 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100365
Christopher Faulet5ab51772017-11-22 11:21:58 +0100366 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200367}
368
David Carlier7e351ee2017-12-01 09:14:02 +0000369#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200370/* Parse cpu sets. Each CPU set is either a unique number between 0 and
371 * <LONGBITS> or a range with two such numbers delimited by a dash
372 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
373 * returns 0. otherwise it returns 1 with an error message in <err>.
374 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100375unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200376{
377 int cur_arg = 0;
378
379 *cpu_set = 0;
380 while (*args[cur_arg]) {
381 char *dash;
382 unsigned int low, high;
383
Willy Tarreau90807112020-02-25 08:16:33 +0100384 if (!isdigit((unsigned char)*args[cur_arg])) {
Christopher Faulet62519022017-10-16 15:49:32 +0200385 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
386 return -1;
387 }
388
389 low = high = str2uic(args[cur_arg]);
390 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100391 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200392
393 if (high < low) {
394 unsigned int swap = low;
395 low = high;
396 high = swap;
397 }
398
399 if (high >= LONGBITS) {
400 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
401 return 1;
402 }
403
404 while (low <= high)
405 *cpu_set |= 1UL << low++;
406
407 cur_arg++;
408 }
409 return 0;
410}
David Carlier7e351ee2017-12-01 09:14:02 +0000411#endif
412
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200413void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200414{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100415 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200416 defproxy.mode = PR_MODE_TCP;
Willy Tarreauc3914d42020-09-24 08:39:22 +0200417 defproxy.disabled = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200418 defproxy.maxconn = cfg_maxpconn;
419 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700420 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100421 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100422 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100423
Simon Horman66183002013-02-23 10:16:43 +0900424 defproxy.defsrv.check.inter = DEF_CHKINTR;
425 defproxy.defsrv.check.fastinter = 0;
426 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900427 defproxy.defsrv.agent.inter = DEF_CHKINTR;
428 defproxy.defsrv.agent.fastinter = 0;
429 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900430 defproxy.defsrv.check.rise = DEF_RISETIME;
431 defproxy.defsrv.check.fall = DEF_FALLTIME;
432 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
433 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200434 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900435 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100436 defproxy.defsrv.maxqueue = 0;
437 defproxy.defsrv.minconn = 0;
438 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100439 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100440 defproxy.defsrv.max_idle_conns = -1;
Willy Tarreau975b1552019-06-06 16:25:55 +0200441 defproxy.defsrv.pool_purge_delay = 5000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100442 defproxy.defsrv.slowstart = 0;
443 defproxy.defsrv.onerror = DEF_HANA_ONERR;
444 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
445 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900446
447 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200448 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200449}
450
Frédéric Lécaille18251032019-01-11 11:07:15 +0100451/* Allocate and initialize the frontend of a "peers" section found in
452 * file <file> at line <linenum> with <id> as ID.
453 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200454 * Note that this function may be called from "default-server"
455 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100456 */
457static int init_peers_frontend(const char *file, int linenum,
458 const char *id, struct peers *peers)
459{
460 struct proxy *p;
461
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200462 if (peers->peers_fe) {
463 p = peers->peers_fe;
464 goto out;
465 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100466
Frédéric Lécaille18251032019-01-11 11:07:15 +0100467 p = calloc(1, sizeof *p);
468 if (!p) {
469 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
470 return -1;
471 }
472
473 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200474 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100475 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200476 /* Finally store this frontend. */
477 peers->peers_fe = p;
478
479 out:
480 if (id && !p->id)
481 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200482 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100483 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100484 if (linenum != -1)
485 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100486
487 return 0;
488}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100489
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100490/* Only change ->file, ->line and ->arg struct bind_conf member values
491 * if already present.
492 */
493static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
494 const char *file, int line,
495 const char *arg, struct xprt_ops *xprt)
496{
497 struct bind_conf *bind_conf;
498
499 if (!LIST_ISEMPTY(&p->conf.bind)) {
500 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
501 free(bind_conf->file);
502 bind_conf->file = strdup(file);
503 bind_conf->line = line;
504 if (arg) {
505 free(bind_conf->arg);
506 bind_conf->arg = strdup(arg);
507 }
508 }
509 else {
510 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
511 }
512
513 return bind_conf;
514}
515
516/*
517 * Allocate a new struct peer parsed at line <linenum> in file <file>
518 * to be added to <peers>.
519 * Returns the new allocated structure if succeeded, NULL if not.
520 */
521static struct peer *cfg_peers_add_peer(struct peers *peers,
522 const char *file, int linenum,
523 const char *id, int local)
524{
525 struct peer *p;
526
527 p = calloc(1, sizeof *p);
528 if (!p) {
529 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
530 return NULL;
531 }
532
533 /* the peers are linked backwards first */
534 peers->count++;
535 p->next = peers->remote;
536 peers->remote = p;
537 p->conf.file = strdup(file);
538 p->conf.line = linenum;
539 p->last_change = now.tv_sec;
540 p->xprt = xprt_get(XPRT_RAW);
541 p->sock_init_arg = NULL;
542 HA_SPIN_INIT(&p->lock);
543 if (id)
544 p->id = strdup(id);
545 if (local) {
546 p->local = 1;
547 peers->local = p;
548 }
549
550 return p;
551}
552
Willy Tarreaubaaee002006-06-26 02:48:02 +0200553/*
William Lallemand51097192015-04-14 16:35:22 +0200554 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200555 * Returns the error code, 0 if OK, or any combination of :
556 * - ERR_ABORT: must abort ASAP
557 * - ERR_FATAL: we can continue parsing but not start the service
558 * - ERR_WARN: a warning has been emitted
559 * - ERR_ALERT: an alert has been emitted
560 * Only the two first ones can stop processing, the two others are just
561 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200562 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200563int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
564{
565 static struct peers *curpeers = NULL;
566 struct peer *newpeer = NULL;
567 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200568 struct bind_conf *bind_conf;
569 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200570 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100571 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100572 static int bind_line, peer_line;
573
574 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
575 int cur_arg;
576 static int kws_dumped;
577 struct bind_conf *bind_conf;
578 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200579
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100580 cur_arg = 1;
581
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200582 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
583 err_code |= ERR_ALERT | ERR_ABORT;
584 goto out;
585 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100586
587 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
588 NULL, xprt_get(XPRT_RAW));
589 if (*args[0] == 'b') {
590 struct listener *l;
591
592 if (peer_line) {
593 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
594 err_code |= ERR_ALERT | ERR_FATAL;
595 goto out;
596 }
597
598 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
599 if (errmsg && *errmsg) {
600 indent_msg(&errmsg, 2);
601 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
602 }
603 else
604 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
605 file, linenum, args[0], args[1], args[2]);
606 err_code |= ERR_FATAL;
607 goto out;
608 }
609 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
610 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100611 l->accept = session_accept_fd;
612 l->analysers |= curpeers->peers_fe->fe_req_ana;
613 l->default_target = curpeers->peers_fe->default_target;
614 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100615 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100616
617 bind_line = 1;
618 if (cfg_peers->local) {
619 newpeer = cfg_peers->local;
620 }
621 else {
622 /* This peer is local.
623 * Note that we do not set the peer ID. This latter is initialized
624 * when parsing "peer" or "server" line.
625 */
626 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
627 if (!newpeer) {
628 err_code |= ERR_ALERT | ERR_ABORT;
629 goto out;
630 }
631 }
Willy Tarreau37159062020-08-27 07:48:42 +0200632 newpeer->addr = l->rx.addr;
Willy Tarreau5fc93282020-09-16 18:25:03 +0200633 newpeer->proto = l->rx.proto;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100634 cur_arg++;
635 }
636
637 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
638 int ret;
639
640 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
641 err_code |= ret;
642 if (ret) {
643 if (errmsg && *errmsg) {
644 indent_msg(&errmsg, 2);
645 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
646 }
647 else
648 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
649 file, linenum, args[cur_arg]);
650 if (ret & ERR_FATAL)
651 goto out;
652 }
653 cur_arg += 1 + kw->skip;
654 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100655 if (*args[cur_arg] != 0) {
Tim Duesterhus04bcaa12019-05-12 22:54:50 +0200656 char *kws = NULL;
657
658 if (!kws_dumped) {
659 kws_dumped = 1;
660 bind_dump_kws(&kws);
661 indent_msg(&kws, 4);
662 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100663 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
664 file, linenum, args[cur_arg], cursection,
665 kws ? " Registered keywords :" : "", kws ? kws: "");
666 free(kws);
667 err_code |= ERR_ALERT | ERR_FATAL;
668 goto out;
669 }
670 }
671 else if (strcmp(args[0], "default-server") == 0) {
672 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
673 err_code |= ERR_ALERT | ERR_ABORT;
674 goto out;
675 }
Emeric Brund3db3842020-07-21 16:54:36 +0200676 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0, 1, 1);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200677 }
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100678 else if (strcmp(args[0], "log") == 0) {
679 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
680 err_code |= ERR_ALERT | ERR_ABORT;
681 goto out;
682 }
683 if (!parse_logsrv(args, &curpeers->peers_fe->logsrvs, (kwm == KWM_NO), &errmsg)) {
684 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
685 err_code |= ERR_ALERT | ERR_FATAL;
686 goto out;
687 }
688 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200689 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100690 /* Initialize these static variables when entering a new "peers" section*/
691 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100692 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100693 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100694 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100695 goto out;
696 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200697
William Lallemand6e62fb62015-04-28 16:55:23 +0200698 if (alertif_too_many_args(1, file, linenum, args, &err_code))
699 goto out;
700
Emeric Brun32da3c42010-09-23 18:39:19 +0200701 err = invalid_char(args[1]);
702 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100703 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
704 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100705 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100706 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200707 }
708
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200709 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200710 /*
711 * If there are two proxies with the same name only following
712 * combinations are allowed:
713 */
714 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100715 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
716 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200717 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200718 }
719 }
720
Vincent Bernat02779b62016-04-03 13:48:43 +0200721 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100722 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200723 err_code |= ERR_ALERT | ERR_ABORT;
724 goto out;
725 }
726
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200727 curpeers->next = cfg_peers;
728 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200729 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200730 curpeers->conf.line = linenum;
731 curpeers->last_change = now.tv_sec;
732 curpeers->id = strdup(args[1]);
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200733 curpeers->disabled = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200734 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200735 else if (strcmp(args[0], "peer") == 0 ||
736 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100737 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200738
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100739 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100740 local_peer = !strcmp(args[1], localpeer);
741 /* The local peer may have already partially been parsed on a "bind" line. */
742 if (*args[0] == 'p') {
743 if (bind_line) {
744 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
745 err_code |= ERR_ALERT | ERR_FATAL;
746 goto out;
747 }
748 peer_line = 1;
749 }
750 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
751 /* The local peer has already been initialized on a "bind" line.
752 * Let's use it and store its ID.
753 */
754 newpeer = cfg_peers->local;
755 newpeer->id = strdup(localpeer);
756 }
757 else {
758 if (local_peer && cfg_peers->local) {
759 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
760 file, linenum, args[0], args[1],
761 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
762 err_code |= ERR_FATAL;
763 goto out;
764 }
765 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
766 if (!newpeer) {
767 err_code |= ERR_ALERT | ERR_ABORT;
768 goto out;
769 }
770 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200771
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100772 /* Line number and peer ID are updated only if this peer is the local one. */
773 if (init_peers_frontend(file,
774 newpeer->local ? linenum: -1,
775 newpeer->local ? newpeer->id : NULL,
776 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200777 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100778 goto out;
779 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100780
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100781 /* This initializes curpeer->peers->peers_fe->srv.
782 * The server address is parsed only if we are parsing a "peer" line,
783 * or if we are parsing a "server" line and the current peer is not the local one.
784 */
Emeric Brund3db3842020-07-21 16:54:36 +0200785 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer, 1, 1);
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200786 if (!curpeers->peers_fe->srv) {
787 /* Remove the newly allocated peer. */
788 if (newpeer != curpeers->local) {
789 struct peer *p;
790
791 p = curpeers->remote;
792 curpeers->remote = curpeers->remote->next;
793 free(p->id);
794 free(p);
795 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200796 goto out;
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200797 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200798
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100799 /* If the peer address has just been parsed, let's copy it to <newpeer>
800 * and initializes ->proto.
801 */
802 if (peer || !local_peer) {
803 newpeer->addr = curpeers->peers_fe->srv->addr;
804 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
805 }
806
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100807 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200808 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100809 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200810
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100811 newpeer->srv = curpeers->peers_fe->srv;
812 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200813 goto out;
814
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100815 /* The lines above are reserved to "peer" lines. */
816 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200817 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200818
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100819 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100820
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100821 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
822 if (errmsg && *errmsg) {
823 indent_msg(&errmsg, 2);
824 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100825 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100826 else
827 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
828 file, linenum, args[0], args[1], args[2]);
829 err_code |= ERR_FATAL;
830 goto out;
831 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100832
833 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
834 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100835 l->accept = session_accept_fd;
836 l->analysers |= curpeers->peers_fe->fe_req_ana;
837 l->default_target = curpeers->peers_fe->default_target;
838 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100839 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100840 }
841 else if (!strcmp(args[0], "table")) {
842 struct stktable *t, *other;
843 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100844 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100845
846 /* Line number and peer ID are updated only if this peer is the local one. */
847 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
848 err_code |= ERR_ALERT | ERR_ABORT;
849 goto out;
850 }
851
852 other = stktable_find_by_name(args[1]);
853 if (other) {
854 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
855 file, linenum, args[1],
856 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
857 other->proxy ? other->id : other->peers.p->id,
858 other->conf.file, other->conf.line);
859 err_code |= ERR_ALERT | ERR_FATAL;
860 goto out;
861 }
862
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100863 /* Build the stick-table name, concatenating the "peers" section name
864 * followed by a '/' character and the table name argument.
865 */
866 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100867 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100868 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
869 file, linenum, args[0], args[1]);
870 err_code |= ERR_ALERT | ERR_FATAL;
871 goto out;
872 }
873
874 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100875 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100876 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
877 file, linenum, args[0], args[1]);
878 err_code |= ERR_ALERT | ERR_FATAL;
879 goto out;
880 }
881
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100882 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100883 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100884 if (!t || !id) {
885 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
886 file, linenum, args[0], args[1]);
Eric Salama1aab9112020-09-18 11:55:17 +0200887 free(t);
888 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100889 err_code |= ERR_ALERT | ERR_FATAL;
890 goto out;
891 }
892
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100893 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Eric Salama1aab9112020-09-18 11:55:17 +0200894 if (err_code & ERR_FATAL) {
895 free(t);
896 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100897 goto out;
Eric Salama1aab9112020-09-18 11:55:17 +0200898 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100899
900 stktable_store_name(t);
901 t->next = stktables_list;
902 stktables_list = t;
903 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200904 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200905 curpeers->disabled = 1;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200906 }
907 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200908 curpeers->disabled = 0;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200909 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200910 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100911 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200912 err_code |= ERR_ALERT | ERR_FATAL;
913 goto out;
914 }
915
916out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100917 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200918 return err_code;
919}
920
Baptiste Assmann325137d2015-04-13 23:40:55 +0200921/*
922 * Parse a <resolvers> section.
923 * Returns the error code, 0 if OK, or any combination of :
924 * - ERR_ABORT: must abort ASAP
925 * - ERR_FATAL: we can continue parsing but not start the service
926 * - ERR_WARN: a warning has been emitted
927 * - ERR_ALERT: an alert has been emitted
928 * Only the two first ones can stop processing, the two others are just
929 * indicators.
930 */
931int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
932{
933 static struct dns_resolvers *curr_resolvers = NULL;
934 struct dns_nameserver *newnameserver = NULL;
935 const char *err;
936 int err_code = 0;
937 char *errmsg = NULL;
938
939 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
940 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100941 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200942 err_code |= ERR_ALERT | ERR_ABORT;
943 goto out;
944 }
945
946 err = invalid_char(args[1]);
947 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100948 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
949 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200950 err_code |= ERR_ALERT | ERR_ABORT;
951 goto out;
952 }
953
954 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
955 /* Error if two resolvers owns the same name */
956 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100957 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
958 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200959 err_code |= ERR_ALERT | ERR_ABORT;
960 }
961 }
962
Vincent Bernat02779b62016-04-03 13:48:43 +0200963 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100964 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200965 err_code |= ERR_ALERT | ERR_ABORT;
966 goto out;
967 }
968
969 /* default values */
970 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
971 curr_resolvers->conf.file = strdup(file);
972 curr_resolvers->conf.line = linenum;
973 curr_resolvers->id = strdup(args[1]);
974 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200975 /* default maximum response size */
976 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100977 /* default hold period for nx, other, refuse and timeout is 30s */
978 curr_resolvers->hold.nx = 30000;
979 curr_resolvers->hold.other = 30000;
980 curr_resolvers->hold.refused = 30000;
981 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200982 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200983 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200984 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200985 curr_resolvers->timeout.resolve = 1000;
986 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200987 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200988 curr_resolvers->nb_nameservers = 0;
989 LIST_INIT(&curr_resolvers->nameservers);
990 LIST_INIT(&curr_resolvers->resolutions.curr);
991 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100992 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200993 }
994 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
995 struct sockaddr_storage *sk;
996 int port1, port2;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200997
998 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100999 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1000 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001001 err_code |= ERR_ALERT | ERR_FATAL;
1002 goto out;
1003 }
1004
1005 err = invalid_char(args[1]);
1006 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001007 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1008 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001009 err_code |= ERR_ALERT | ERR_FATAL;
1010 goto out;
1011 }
1012
Christopher Faulet67957bd2017-09-27 11:00:59 +02001013 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +01001014 /* Error if two resolvers owns the same name */
1015 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001016 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 -06001017 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +01001018 err_code |= ERR_ALERT | ERR_FATAL;
1019 }
1020 }
1021
Vincent Bernat02779b62016-04-03 13:48:43 +02001022 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001023 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001024 err_code |= ERR_ALERT | ERR_ABORT;
1025 goto out;
1026 }
1027
1028 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +02001029 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001030 newnameserver->resolvers = curr_resolvers;
1031 newnameserver->conf.file = strdup(file);
1032 newnameserver->conf.line = linenum;
1033 newnameserver->id = strdup(args[1]);
1034
Willy Tarreau5fc93282020-09-16 18:25:03 +02001035 sk = str2sa_range(args[2], NULL, &port1, &port2, NULL, NULL,
1036 &errmsg, NULL, NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_DGRAM);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001037 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001038 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001039 err_code |= ERR_ALERT | ERR_FATAL;
1040 goto out;
1041 }
1042
Baptiste Assmann325137d2015-04-13 23:40:55 +02001043 newnameserver->addr = *sk;
1044 }
Ben Draut44e609b2018-05-29 15:40:08 -06001045 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1046 const char *whitespace = "\r\n\t ";
1047 char *resolv_line = NULL;
1048 int resolv_linenum = 0;
1049 FILE *f = NULL;
1050 char *address = NULL;
1051 struct sockaddr_storage *sk = NULL;
1052 struct protocol *proto;
1053 int duplicate_name = 0;
1054
1055 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1056 ha_alert("parsing [%s:%d] : out of memory.\n",
1057 file, linenum);
1058 err_code |= ERR_ALERT | ERR_FATAL;
1059 goto resolv_out;
1060 }
1061
1062 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1063 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1064 file, linenum);
1065 err_code |= ERR_ALERT | ERR_FATAL;
1066 goto resolv_out;
1067 }
1068
1069 sk = calloc(1, sizeof(*sk));
1070 if (sk == NULL) {
1071 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1072 resolv_linenum);
1073 err_code |= ERR_ALERT | ERR_FATAL;
1074 goto resolv_out;
1075 }
1076
1077 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1078 resolv_linenum++;
1079 if (strncmp(resolv_line, "nameserver", 10) != 0)
1080 continue;
1081
1082 address = strtok(resolv_line + 10, whitespace);
1083 if (address == resolv_line + 10)
1084 continue;
1085
1086 if (address == NULL) {
1087 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1088 resolv_linenum);
1089 err_code |= ERR_WARN;
1090 continue;
1091 }
1092
1093 duplicate_name = 0;
1094 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1095 if (strcmp(newnameserver->id, address) == 0) {
1096 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",
1097 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1098 err_code |= ERR_WARN;
1099 duplicate_name = 1;
1100 }
1101 }
1102
1103 if (duplicate_name)
1104 continue;
1105
1106 memset(sk, 0, sizeof(*sk));
Willy Tarreau78675252020-05-28 18:07:10 +02001107 if (!str2ip2(address, sk, 1)) {
1108 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, nameserver will be excluded.\n",
Ben Draut44e609b2018-05-29 15:40:08 -06001109 resolv_linenum, address);
1110 err_code |= ERR_WARN;
1111 continue;
1112 }
1113
1114 set_host_port(sk, 53);
1115
1116 proto = protocol_by_family(sk->ss_family);
1117 if (!proto || !proto->connect) {
1118 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1119 resolv_linenum, address);
1120 err_code |= ERR_WARN;
1121 continue;
1122 }
1123
1124 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1125 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1126 err_code |= ERR_ALERT | ERR_FATAL;
1127 goto resolv_out;
1128 }
1129
1130 newnameserver->conf.file = strdup("/etc/resolv.conf");
1131 if (newnameserver->conf.file == NULL) {
1132 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1133 err_code |= ERR_ALERT | ERR_FATAL;
1134 goto resolv_out;
1135 }
1136
1137 newnameserver->id = strdup(address);
1138 if (newnameserver->id == NULL) {
1139 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1140 err_code |= ERR_ALERT | ERR_FATAL;
1141 goto resolv_out;
1142 }
1143
1144 newnameserver->resolvers = curr_resolvers;
1145 newnameserver->conf.line = resolv_linenum;
1146 newnameserver->addr = *sk;
1147
1148 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1149 }
1150
1151resolv_out:
1152 free(sk);
1153 free(resolv_line);
1154 if (f != NULL)
1155 fclose(f);
1156 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001157 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1158 const char *res;
1159 unsigned int time;
1160
1161 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001162 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1163 file, linenum, args[0]);
1164 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001165 err_code |= ERR_ALERT | ERR_FATAL;
1166 goto out;
1167 }
1168 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001169 if (res == PARSE_TIME_OVER) {
1170 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 ms (~24.8 days).\n",
1171 file, linenum, args[1], args[0]);
1172 err_code |= ERR_ALERT | ERR_FATAL;
1173 goto out;
1174 }
1175 else if (res == PARSE_TIME_UNDER) {
1176 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 ms.\n",
1177 file, linenum, args[1], args[0]);
1178 err_code |= ERR_ALERT | ERR_FATAL;
1179 goto out;
1180 }
1181 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001182 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1183 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001184 err_code |= ERR_ALERT | ERR_FATAL;
1185 goto out;
1186 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001187 if (strcmp(args[1], "nx") == 0)
1188 curr_resolvers->hold.nx = time;
1189 else if (strcmp(args[1], "other") == 0)
1190 curr_resolvers->hold.other = time;
1191 else if (strcmp(args[1], "refused") == 0)
1192 curr_resolvers->hold.refused = time;
1193 else if (strcmp(args[1], "timeout") == 0)
1194 curr_resolvers->hold.timeout = time;
1195 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001196 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001197 else if (strcmp(args[1], "obsolete") == 0)
1198 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001199 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001200 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1201 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001202 err_code |= ERR_ALERT | ERR_FATAL;
1203 goto out;
1204 }
1205
1206 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001207 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001208 int i = 0;
1209
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001210 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001211 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1212 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001213 err_code |= ERR_ALERT | ERR_FATAL;
1214 goto out;
1215 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001216
1217 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001218 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001219 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1220 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001221 err_code |= ERR_ALERT | ERR_FATAL;
1222 goto out;
1223 }
1224
1225 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001226 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001227 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001228 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 +01001229 file, linenum, args[0]);
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001230 err_code |= ERR_ALERT | ERR_FATAL;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001231 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001232 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001233 else if (strcmp(args[0], "resolve_retries") == 0) {
1234 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001235 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1236 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001237 err_code |= ERR_ALERT | ERR_FATAL;
1238 goto out;
1239 }
1240 curr_resolvers->resolve_retries = atoi(args[1]);
1241 }
1242 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001243 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001244 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1245 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001246 err_code |= ERR_ALERT | ERR_FATAL;
1247 goto out;
1248 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001249 else if (strcmp(args[1], "retry") == 0 ||
1250 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001251 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001252 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001253
1254 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001255 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1256 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001257 err_code |= ERR_ALERT | ERR_FATAL;
1258 goto out;
1259 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001260 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001261 if (res == PARSE_TIME_OVER) {
1262 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1263 file, linenum, args[2], args[0], args[1]);
1264 err_code |= ERR_ALERT | ERR_FATAL;
1265 goto out;
1266 }
1267 else if (res == PARSE_TIME_UNDER) {
1268 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1269 file, linenum, args[2], args[0], args[1]);
1270 err_code |= ERR_ALERT | ERR_FATAL;
1271 goto out;
1272 }
1273 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001274 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1275 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001276 err_code |= ERR_ALERT | ERR_FATAL;
1277 goto out;
1278 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001279 if (args[1][2] == 't')
1280 curr_resolvers->timeout.retry = tout;
1281 else
1282 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001283 }
1284 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001285 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1286 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001287 err_code |= ERR_ALERT | ERR_FATAL;
1288 goto out;
1289 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001290 } /* neither "nameserver" nor "resolvers" */
1291 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001292 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001293 err_code |= ERR_ALERT | ERR_FATAL;
1294 goto out;
1295 }
1296
1297 out:
1298 free(errmsg);
1299 return err_code;
1300}
Simon Horman0d16a402015-01-30 11:22:58 +09001301
1302/*
William Lallemand51097192015-04-14 16:35:22 +02001303 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001304 * Returns the error code, 0 if OK, or any combination of :
1305 * - ERR_ABORT: must abort ASAP
1306 * - ERR_FATAL: we can continue parsing but not start the service
1307 * - ERR_WARN: a warning has been emitted
1308 * - ERR_ALERT: an alert has been emitted
1309 * Only the two first ones can stop processing, the two others are just
1310 * indicators.
1311 */
1312int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1313{
1314 static struct mailers *curmailers = NULL;
1315 struct mailer *newmailer = NULL;
1316 const char *err;
1317 int err_code = 0;
1318 char *errmsg = NULL;
1319
1320 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1321 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001322 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001323 err_code |= ERR_ALERT | ERR_ABORT;
1324 goto out;
1325 }
1326
1327 err = invalid_char(args[1]);
1328 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001329 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1330 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001331 err_code |= ERR_ALERT | ERR_ABORT;
1332 goto out;
1333 }
1334
1335 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1336 /*
1337 * If there are two proxies with the same name only following
1338 * combinations are allowed:
1339 */
1340 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001341 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1342 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001343 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001344 }
1345 }
1346
Vincent Bernat02779b62016-04-03 13:48:43 +02001347 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001348 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001349 err_code |= ERR_ALERT | ERR_ABORT;
1350 goto out;
1351 }
1352
1353 curmailers->next = mailers;
1354 mailers = curmailers;
1355 curmailers->conf.file = strdup(file);
1356 curmailers->conf.line = linenum;
1357 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001358 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1359 * But need enough time so that timeouts don't occur
1360 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001361 }
1362 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1363 struct sockaddr_storage *sk;
1364 int port1, port2;
1365 struct protocol *proto;
1366
1367 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001368 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1369 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001370 err_code |= ERR_ALERT | ERR_FATAL;
1371 goto out;
1372 }
1373
1374 err = invalid_char(args[1]);
1375 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001376 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1377 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001378 err_code |= ERR_ALERT | ERR_FATAL;
1379 goto out;
1380 }
1381
Vincent Bernat02779b62016-04-03 13:48:43 +02001382 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001383 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001384 err_code |= ERR_ALERT | ERR_ABORT;
1385 goto out;
1386 }
1387
1388 /* the mailers are linked backwards first */
1389 curmailers->count++;
1390 newmailer->next = curmailers->mailer_list;
1391 curmailers->mailer_list = newmailer;
1392 newmailer->mailers = curmailers;
1393 newmailer->conf.file = strdup(file);
1394 newmailer->conf.line = linenum;
1395
1396 newmailer->id = strdup(args[1]);
1397
Willy Tarreau5fc93282020-09-16 18:25:03 +02001398 sk = str2sa_range(args[2], NULL, &port1, &port2, NULL, &proto,
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001399 &errmsg, NULL, NULL,
1400 PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_STREAM | PA_O_XPRT | PA_O_CONNECT);
Simon Horman0d16a402015-01-30 11:22:58 +09001401 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001402 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001403 err_code |= ERR_ALERT | ERR_FATAL;
1404 goto out;
1405 }
1406
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001407 if (proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001408 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1409 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001410 err_code |= ERR_ALERT | ERR_FATAL;
1411 goto out;
1412 }
1413
Simon Horman0d16a402015-01-30 11:22:58 +09001414 newmailer->addr = *sk;
1415 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001416 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001417 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001418 }
1419 else if (strcmp(args[0], "timeout") == 0) {
1420 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001421 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1422 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001423 err_code |= ERR_ALERT | ERR_FATAL;
1424 goto out;
1425 }
1426 else if (strcmp(args[1], "mail") == 0) {
1427 const char *res;
1428 unsigned int timeout_mail;
1429 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001430 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1431 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001432 err_code |= ERR_ALERT | ERR_FATAL;
1433 goto out;
1434 }
1435 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001436 if (res == PARSE_TIME_OVER) {
1437 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1438 file, linenum, args[2], args[0], args[1]);
1439 err_code |= ERR_ALERT | ERR_FATAL;
1440 goto out;
1441 }
1442 else if (res == PARSE_TIME_UNDER) {
1443 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1444 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001445 err_code |= ERR_ALERT | ERR_FATAL;
1446 goto out;
1447 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001448 else if (res) {
1449 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1450 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001451 err_code |= ERR_ALERT | ERR_FATAL;
1452 goto out;
1453 }
1454 curmailers->timeout.mail = timeout_mail;
1455 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001456 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001457 file, linenum, args[0], args[1]);
1458 err_code |= ERR_ALERT | ERR_FATAL;
1459 goto out;
1460 }
1461 }
Simon Horman0d16a402015-01-30 11:22:58 +09001462 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001463 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001464 err_code |= ERR_ALERT | ERR_FATAL;
1465 goto out;
1466 }
1467
1468out:
1469 free(errmsg);
1470 return err_code;
1471}
1472
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001473void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001474{
1475 free(p->email_alert.mailers.name);
1476 p->email_alert.mailers.name = NULL;
1477 free(p->email_alert.from);
1478 p->email_alert.from = NULL;
1479 free(p->email_alert.to);
1480 p->email_alert.to = NULL;
1481 free(p->email_alert.myhostname);
1482 p->email_alert.myhostname = NULL;
1483}
1484
Willy Tarreaubaaee002006-06-26 02:48:02 +02001485
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001486int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001487cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1488{
Willy Tarreaue5733232019-05-22 19:24:06 +02001489#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001490 const char *err;
1491 const char *item = args[0];
1492
1493 if (!strcmp(item, "namespace_list")) {
1494 return 0;
1495 }
1496 else if (!strcmp(item, "namespace")) {
1497 size_t idx = 1;
1498 const char *current;
1499 while (*(current = args[idx++])) {
1500 err = invalid_char(current);
1501 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001502 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1503 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001504 return ERR_ALERT | ERR_FATAL;
1505 }
1506
1507 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001508 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1509 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001510 return ERR_ALERT | ERR_FATAL;
1511 }
1512 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001513 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1514 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001515 return ERR_ALERT | ERR_FATAL;
1516 }
1517 }
1518 }
1519
1520 return 0;
1521#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001522 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1523 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001524 return ERR_ALERT | ERR_FATAL;
1525#endif
1526}
1527
1528int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001529cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1530{
1531
1532 int err_code = 0;
1533 const char *err;
1534
1535 if (!strcmp(args[0], "userlist")) { /* new userlist */
1536 struct userlist *newul;
1537
1538 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001539 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1540 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001541 err_code |= ERR_ALERT | ERR_FATAL;
1542 goto out;
1543 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001544 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1545 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001546
1547 err = invalid_char(args[1]);
1548 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001549 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1550 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001551 err_code |= ERR_ALERT | ERR_FATAL;
1552 goto out;
1553 }
1554
1555 for (newul = userlist; newul; newul = newul->next)
1556 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001557 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1558 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001559 err_code |= ERR_WARN;
1560 goto out;
1561 }
1562
Vincent Bernat02779b62016-04-03 13:48:43 +02001563 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001564 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001565 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001566 err_code |= ERR_ALERT | ERR_ABORT;
1567 goto out;
1568 }
1569
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001570 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001571 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001572 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001573 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001574 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001575 goto out;
1576 }
1577
1578 newul->next = userlist;
1579 userlist = newul;
1580
1581 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001582 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001583 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001584 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001585
1586 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001587 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1588 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001589 err_code |= ERR_ALERT | ERR_FATAL;
1590 goto out;
1591 }
1592
1593 err = invalid_char(args[1]);
1594 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001595 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1596 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001597 err_code |= ERR_ALERT | ERR_FATAL;
1598 goto out;
1599 }
1600
William Lallemand4ac9f542015-05-28 18:03:51 +02001601 if (!userlist)
1602 goto out;
1603
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001604 for (ag = userlist->groups; ag; ag = ag->next)
1605 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001606 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1607 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001608 err_code |= ERR_ALERT;
1609 goto out;
1610 }
1611
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001612 ag = calloc(1, sizeof(*ag));
1613 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001614 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001615 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001616 goto out;
1617 }
1618
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001619 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001620 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001621 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001622 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001623 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001624 goto out;
1625 }
1626
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001627 cur_arg = 2;
1628
1629 while (*args[cur_arg]) {
1630 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001631 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001632 cur_arg += 2;
1633 continue;
1634 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001635 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1636 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001637 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001638 free(ag->groupusers);
1639 free(ag->name);
1640 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001641 goto out;
1642 }
1643 }
1644
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001645 ag->next = userlist->groups;
1646 userlist->groups = ag;
1647
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001648 } else if (!strcmp(args[0], "user")) { /* new user */
1649 struct auth_users *newuser;
1650 int cur_arg;
1651
1652 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001653 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1654 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001655 err_code |= ERR_ALERT | ERR_FATAL;
1656 goto out;
1657 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001658 if (!userlist)
1659 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001660
1661 for (newuser = userlist->users; newuser; newuser = newuser->next)
1662 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001663 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1664 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001665 err_code |= ERR_ALERT;
1666 goto out;
1667 }
1668
Vincent Bernat02779b62016-04-03 13:48:43 +02001669 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001670 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001671 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001672 err_code |= ERR_ALERT | ERR_ABORT;
1673 goto out;
1674 }
1675
1676 newuser->user = strdup(args[1]);
1677
1678 newuser->next = userlist->users;
1679 userlist->users = newuser;
1680
1681 cur_arg = 2;
1682
1683 while (*args[cur_arg]) {
1684 if (!strcmp(args[cur_arg], "password")) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001685#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001686 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001687 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1688 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001689 err_code |= ERR_ALERT | ERR_FATAL;
1690 goto out;
1691 }
1692#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001693 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1694 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001695 err_code |= ERR_ALERT;
1696#endif
1697 newuser->pass = strdup(args[cur_arg + 1]);
1698 cur_arg += 2;
1699 continue;
1700 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1701 newuser->pass = strdup(args[cur_arg + 1]);
1702 newuser->flags |= AU_O_INSECURE;
1703 cur_arg += 2;
1704 continue;
1705 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001706 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001707 cur_arg += 2;
1708 continue;
1709 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001710 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1711 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001712 err_code |= ERR_ALERT | ERR_FATAL;
1713 goto out;
1714 }
1715 }
1716 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001717 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 +01001718 err_code |= ERR_ALERT | ERR_FATAL;
1719 }
1720
1721out:
1722 return err_code;
1723}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001724
Christopher Faulet79bdef32016-11-04 22:36:15 +01001725int
1726cfg_parse_scope(const char *file, int linenum, char *line)
1727{
1728 char *beg, *end, *scope = NULL;
1729 int err_code = 0;
1730 const char *err;
1731
1732 beg = line + 1;
1733 end = strchr(beg, ']');
1734
1735 /* Detect end of scope declaration */
1736 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001737 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1738 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001739 err_code |= ERR_ALERT | ERR_FATAL;
1740 goto out;
1741 }
1742
1743 /* Get scope name and check its validity */
1744 scope = my_strndup(beg, end-beg);
1745 err = invalid_char(scope);
1746 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001747 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1748 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001749 err_code |= ERR_ALERT | ERR_ABORT;
1750 goto out;
1751 }
1752
1753 /* Be sure to have a scope declaration alone on its line */
1754 line = end+1;
1755 while (isspace((unsigned char)*line))
1756 line++;
1757 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001758 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1759 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001760 err_code |= ERR_ALERT | ERR_ABORT;
1761 goto out;
1762 }
1763
1764 /* We have a valid scope declaration, save it */
1765 free(cfg_scope);
1766 cfg_scope = scope;
1767 scope = NULL;
1768
1769 out:
1770 free(scope);
1771 return err_code;
1772}
1773
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001774int
1775cfg_parse_track_sc_num(unsigned int *track_sc_num,
1776 const char *arg, const char *end, char **errmsg)
1777{
1778 const char *p;
1779 unsigned int num;
1780
1781 p = arg;
1782 num = read_uint64(&arg, end);
1783
1784 if (arg != end) {
1785 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1786 return -1;
1787 }
1788
1789 if (num >= MAX_SESS_STKCTR) {
1790 memprintf(errmsg, "%u track-sc number exceeding "
1791 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1792 return -1;
1793 }
1794
1795 *track_sc_num = num;
1796 return 0;
1797}
1798
Willy Tarreaubaaee002006-06-26 02:48:02 +02001799/*
1800 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001801 * Returns the error code, 0 if OK, or any combination of :
1802 * - ERR_ABORT: must abort ASAP
1803 * - ERR_FATAL: we can continue parsing but not start the service
1804 * - ERR_WARN: a warning has been emitted
1805 * - ERR_ALERT: an alert has been emitted
1806 * Only the two first ones can stop processing, the two others are just
1807 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001808 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001809int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001810{
William Lallemand64e84512015-05-12 14:25:37 +02001811 char *thisline;
1812 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001813 FILE *f;
1814 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001815 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001816 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001817 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001818 int readbytes = 0;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001819 char *outline = NULL;
1820 size_t outlen = 0;
1821 size_t outlinesize = 0;
Willy Tarreau32234e72020-06-16 17:14:33 +02001822 int fatal = 0;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001823 int missing_lf = -1;
William Lallemand64e84512015-05-12 14:25:37 +02001824
1825 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001826 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001827 return -1;
1828 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001829
David Carlier97880bb2016-04-08 10:35:26 +01001830 if ((f=fopen(file,"r")) == NULL) {
1831 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001832 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001833 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001834
William Lallemandb2f07452015-05-12 14:27:13 +02001835next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001836 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001837 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001838 char *end;
1839 char *args[MAX_LINE_ARGS + 1];
1840 char *line = thisline;
1841
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001842 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001843 ha_alert("parsing [%s:%d]: Stray NUL character at position %d.\n",
1844 file, linenum, (missing_lf + 1));
1845 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001846 missing_lf = -1;
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001847 break;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001848 }
1849
Willy Tarreaubaaee002006-06-26 02:48:02 +02001850 linenum++;
1851
Willy Tarreau32234e72020-06-16 17:14:33 +02001852 if (fatal >= 50) {
1853 ha_alert("parsing [%s:%d]: too many fatal errors (%d), stopping now.\n", file, linenum, fatal);
1854 break;
1855 }
1856
Willy Tarreaubaaee002006-06-26 02:48:02 +02001857 end = line + strlen(line);
1858
William Lallemand64e84512015-05-12 14:25:37 +02001859 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001860 /* Check if we reached the limit and the last char is not \n.
1861 * Watch out for the last line without the terminating '\n'!
1862 */
William Lallemand64e84512015-05-12 14:25:37 +02001863 char *newline;
1864 int newlinesize = linesize * 2;
1865
1866 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1867 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001868 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1869 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001870 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001871 fatal++;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001872 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001873 continue;
1874 }
1875
1876 readbytes = linesize - 1;
1877 linesize = newlinesize;
1878 thisline = newline;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001879 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001880 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001881 }
1882
William Lallemand64e84512015-05-12 14:25:37 +02001883 readbytes = 0;
1884
Willy Tarreau08488f62020-06-26 17:24:54 +02001885 if (end > line && *(end-1) == '\n') {
Tim Duesterhus70f58992020-06-22 22:57:44 +02001886 /* kill trailing LF */
1887 *(end - 1) = 0;
1888 }
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001889 else {
1890 /* mark this line as truncated */
1891 missing_lf = end - line;
1892 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001893
Willy Tarreaubaaee002006-06-26 02:48:02 +02001894 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001895 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001896 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001897
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001898 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001899 err_code |= cfg_parse_scope(file, linenum, line);
1900 goto next_line;
1901 }
1902
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001903 while (1) {
1904 uint32_t err;
1905 char *errptr;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001906
Willy Tarreau61dd44b2020-06-25 07:35:42 +02001907 arg = MAX_LINE_ARGS + 1;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001908 outlen = outlinesize;
1909 err = parse_line(line, outline, &outlen, args, &arg,
1910 PARSE_OPT_ENV | PARSE_OPT_DQUOTE | PARSE_OPT_SQUOTE |
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001911 PARSE_OPT_BKSLASH | PARSE_OPT_SHARP | PARSE_OPT_WORD_EXPAND,
1912 &errptr);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001913
1914 if (err & PARSE_ERR_QUOTE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001915 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1916
1917 ha_alert("parsing [%s:%d]: unmatched quote at position %d:\n"
1918 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001919 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001920 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001921 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001922 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001923
1924 if (err & PARSE_ERR_BRACE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001925 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1926
1927 ha_alert("parsing [%s:%d]: unmatched brace in environment variable name at position %d:\n"
1928 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001929 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001930 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001931 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001932 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001933
1934 if (err & PARSE_ERR_VARNAME) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001935 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1936
1937 ha_alert("parsing [%s:%d]: forbidden first char in environment variable name at position %d:\n"
1938 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001939 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001940 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001941 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001942 }
William Lallemandb2f07452015-05-12 14:27:13 +02001943
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001944 if (err & PARSE_ERR_HEX) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001945 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1946
1947 ha_alert("parsing [%s:%d]: truncated or invalid hexadecimal sequence at position %d:\n"
1948 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001949 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus9f658a52020-06-16 18:14:21 +02001950 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001951 goto next_line;
1952 }
William Lallemandb2f07452015-05-12 14:27:13 +02001953
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001954 if (err & PARSE_ERR_WRONG_EXPAND) {
1955 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1956
1957 ha_alert("parsing [%s:%d]: truncated or invalid word expansion sequence at position %d:\n"
1958 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
1959 err_code |= ERR_ALERT | ERR_FATAL;
1960 fatal++;
1961 goto next_line;
1962 }
1963
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001964 if (err & (PARSE_ERR_TOOLARGE|PARSE_ERR_OVERLAP)) {
1965 outlinesize = (outlen + 1023) & -1024;
1966 outline = realloc(outline, outlinesize);
1967 if (outline == NULL) {
1968 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1969 file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001970 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001971 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001972 goto next_line;
William Lallemandb2f07452015-05-12 14:27:13 +02001973 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001974 /* try again */
1975 continue;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001976 }
Willy Tarreau07d47062020-06-25 07:41:22 +02001977
1978 if (err & PARSE_ERR_TOOMANY) {
1979 /* only check this *after* being sure the output is allocated */
1980 ha_alert("parsing [%s:%d]: too many words, truncating after word %d, position %ld: <%s>.\n",
1981 file, linenum, MAX_LINE_ARGS, (long)(args[MAX_LINE_ARGS-1] - outline + 1), args[MAX_LINE_ARGS-1]);
1982 err_code |= ERR_ALERT | ERR_FATAL;
1983 fatal++;
1984 goto next_line;
1985 }
1986
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001987 /* everything's OK */
1988 break;
William Lallemandf9873ba2015-05-05 17:37:14 +02001989 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001990
1991 /* empty line */
1992 if (!**args)
1993 continue;
1994
Willy Tarreau3842f002009-06-14 11:39:52 +02001995 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001996 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02001997 char *tmp;
1998
Willy Tarreau3842f002009-06-14 11:39:52 +02001999 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002000 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002001 for (arg=0; *args[arg+1]; arg++)
2002 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002003 *tmp = '\0'; // fix the next arg to \0
2004 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002005 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002006 else if (!strcmp(args[0], "default")) {
2007 kwm = KWM_DEF;
2008 for (arg=0; *args[arg+1]; arg++)
2009 args[arg] = args[arg+1]; // shift args after inversion
2010 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002011
William Dauchyec730982019-10-27 20:08:10 +01002012 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
2013 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
Willy Tarreaud96f1122019-12-03 07:07:36 +01002014 strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
2015 strcmp(args[0], "insecure-fork-wanted") != 0) {
William Dauchyec730982019-10-27 20:08:10 +01002016 ha_alert("parsing [%s:%d]: negation/default currently "
William Dauchy0fec3ab2019-10-27 20:08:11 +01002017 "supported only for options, log, busy-polling, "
Willy Tarreaud96f1122019-12-03 07:07:36 +01002018 "set-dumpable, strict-limits, and insecure-fork-wanted.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02002019 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02002020 fatal++;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002021 }
2022
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002023 /* detect section start */
2024 list_for_each_entry(ics, &sections, list) {
2025 if (strcmp(args[0], ics->section_name) == 0) {
2026 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002027 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002028 cs = ics;
2029 break;
2030 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002031 }
2032
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002033 if (pcs && pcs->post_section_parser) {
Willy Tarreau32234e72020-06-16 17:14:33 +02002034 int status;
2035
2036 status = pcs->post_section_parser();
2037 err_code |= status;
2038 if (status & ERR_FATAL)
2039 fatal++;
2040
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002041 if (err_code & ERR_ABORT)
2042 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002043 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002044 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002045
William Lallemandd2ff56d2017-10-16 11:06:50 +02002046 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002047 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002048 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02002049 fatal++;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002050 } else {
Willy Tarreau32234e72020-06-16 17:14:33 +02002051 int status;
2052
2053 status = cs->section_parser(file, linenum, args, kwm);
2054 err_code |= status;
2055 if (status & ERR_FATAL)
2056 fatal++;
2057
William Lallemandd2ff56d2017-10-16 11:06:50 +02002058 if (err_code & ERR_ABORT)
2059 goto err;
2060 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002061 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002062
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02002063 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02002064 ha_alert("parsing [%s:%d]: Missing LF on last line, file might have been truncated at position %d.\n",
2065 file, linenum, (missing_lf + 1));
2066 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02002067 }
2068
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002069 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002070 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002071
2072err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002073 free(cfg_scope);
2074 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002075 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002076 free(thisline);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002077 free(outline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002078 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002079 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002080}
2081
Willy Tarreau64ab6072014-09-16 12:17:36 +02002082/* This function propagates processes from frontend <from> to backend <to> so
2083 * that it is always guaranteed that a backend pointed to by a frontend is
2084 * bound to all of its processes. After that, if the target is a "listen"
2085 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002086 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002087 * checked first to ensure that <to> is already bound to all processes of
2088 * <from>, there is no risk of looping and we ensure to follow the shortest
2089 * path to the destination.
2090 *
2091 * It is possible to set <to> to NULL for the first call so that the function
2092 * takes care of visiting the initial frontend in <from>.
2093 *
2094 * It is important to note that the function relies on the fact that all names
2095 * have already been resolved.
2096 */
2097void propagate_processes(struct proxy *from, struct proxy *to)
2098{
2099 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002100
2101 if (to) {
2102 /* check whether we need to go down */
2103 if (from->bind_proc &&
2104 (from->bind_proc & to->bind_proc) == from->bind_proc)
2105 return;
2106
2107 if (!from->bind_proc && !to->bind_proc)
2108 return;
2109
2110 to->bind_proc = from->bind_proc ?
2111 (to->bind_proc | from->bind_proc) : 0;
2112
2113 /* now propagate down */
2114 from = to;
2115 }
2116
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002117 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002118 return;
2119
Willy Tarreauc3914d42020-09-24 08:39:22 +02002120 if (from->disabled)
Willy Tarreauf6b70012014-12-18 14:00:43 +01002121 return;
2122
Willy Tarreau64ab6072014-09-16 12:17:36 +02002123 /* default_backend */
2124 if (from->defbe.be)
2125 propagate_processes(from, from->defbe.be);
2126
2127 /* use_backend */
2128 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002129 if (rule->dynamic)
2130 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002131 to = rule->be.backend;
2132 propagate_processes(from, to);
2133 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002134}
2135
Willy Tarreaubb925012009-07-23 13:36:36 +02002136/*
2137 * Returns the error code, 0 if OK, or any combination of :
2138 * - ERR_ABORT: must abort ASAP
2139 * - ERR_FATAL: we can continue parsing but not start the service
2140 * - ERR_WARN: a warning has been emitted
2141 * - ERR_ALERT: an alert has been emitted
2142 * Only the two first ones can stop processing, the two others are just
2143 * indicators.
2144 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002145int check_config_validity()
2146{
2147 int cfgerr = 0;
2148 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002149 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002150 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002151 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002152 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002153 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002154 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002155 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002156 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002157
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002158 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002159 /*
2160 * Now, check for the integrity of all that we have collected.
2161 */
2162
2163 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002164 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002165
Willy Tarreau193b8c62012-11-22 00:17:38 +01002166 if (!global.tune.max_http_hdr)
2167 global.tune.max_http_hdr = MAX_HTTP_HDR;
2168
2169 if (!global.tune.cookie_len)
2170 global.tune.cookie_len = CAPTURE_LEN;
2171
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002172 if (!global.tune.requri_len)
2173 global.tune.requri_len = REQURI_LEN;
2174
Willy Tarreau149ab772019-01-26 14:27:06 +01002175 if (!global.nbthread) {
2176 /* nbthread not set, thus automatic. In this case, and only if
2177 * running on a single process, we enable the same number of
2178 * threads as the number of CPUs the process is bound to. This
2179 * allows to easily control the number of threads using taskset.
2180 */
2181 global.nbthread = 1;
2182#if defined(USE_THREAD)
2183 if (global.nbproc == 1)
2184 global.nbthread = thread_cpus_enabled_at_boot;
2185 all_threads_mask = nbits(global.nbthread);
2186#endif
2187 }
2188
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002189 if (global.nbproc > 1 && global.nbthread > 1) {
2190 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2191 err_code |= ERR_ALERT | ERR_FATAL;
2192 goto out;
2193 }
2194
Willy Tarreaubafbe012017-11-24 17:34:44 +01002195 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002196
Willy Tarreaubafbe012017-11-24 17:34:44 +01002197 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002198
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002199 /* Post initialisation of the users and groups lists. */
2200 err_code = userlist_postinit();
2201 if (err_code != ERR_NONE)
2202 goto out;
2203
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002204 /* first, we will invert the proxy list order */
2205 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002206 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002207 struct proxy *next;
2208
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002209 next = proxies_list->next;
2210 proxies_list->next = curproxy;
2211 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002212 if (!next)
2213 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002214 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002215 }
2216
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002217 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002218 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002219 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002220 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002221 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002222 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002223 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002224 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002225
Willy Tarreau050536d2012-10-04 08:47:34 +02002226 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002227 /* proxy ID not set, use automatic numbering with first
2228 * spare entry starting with next_pxid.
2229 */
2230 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2231 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2232 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002233 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002234 next_pxid++;
2235
Willy Tarreau55ea7572007-06-17 19:56:27 +02002236
Willy Tarreauc3914d42020-09-24 08:39:22 +02002237 if (curproxy->disabled) {
Willy Tarreau02b092f2020-10-07 18:36:54 +02002238 /* ensure we don't keep listeners uselessly bound. We
2239 * can't disable their listeners yet (fdtab not
2240 * allocated yet) but let's skip them.
2241 */
Dragan Dosen7d61a332019-05-07 14:16:18 +02002242 if (curproxy->table) {
2243 free((void *)curproxy->table->peers.name);
Willy Tarreau02b092f2020-10-07 18:36:54 +02002244 curproxy->table->peers.name = NULL;
Dragan Dosen7d61a332019-05-07 14:16:18 +02002245 curproxy->table->peers.p = NULL;
2246 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002247 continue;
2248 }
2249
Willy Tarreau102df612014-05-07 23:56:38 +02002250 /* Check multi-process mode compatibility for the current proxy */
2251
2252 if (curproxy->bind_proc) {
2253 /* an explicit bind-process was specified, let's check how many
2254 * processes remain.
2255 */
David Carliere6c39412015-07-02 07:00:17 +00002256 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002257
Willy Tarreaua38a7172019-02-02 17:11:28 +01002258 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002259 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002260 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 +02002261 curproxy->bind_proc = 1;
2262 }
2263 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002264 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 +02002265 curproxy->bind_proc = 0;
2266 }
2267 }
2268
Willy Tarreau3d209582014-05-09 17:06:11 +02002269 /* check and reduce the bind-proc of each listener */
2270 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2271 unsigned long mask;
2272
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002273 /* HTTP frontends with "h2" as ALPN/NPN will work in
2274 * HTTP/2 and absolutely require buffers 16kB or larger.
2275 */
2276#ifdef USE_OPENSSL
2277 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2278#ifdef OPENSSL_NPN_NEGOTIATED
2279 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002280 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002281 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",
2282 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002283 cfgerr++;
2284 }
2285#endif
2286#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2287 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002288 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002289 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",
2290 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002291 cfgerr++;
2292 }
2293#endif
2294 } /* HTTP && bufsize < 16384 */
2295#endif
2296
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002297 /* detect and address thread affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002298 mask = thread_mask(bind_conf->settings.bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002299 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002300 unsigned long new_mask = 0;
2301
2302 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002303 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002304 mask >>= global.nbthread;
2305 }
2306
Willy Tarreaue26993c2020-09-03 07:18:55 +02002307 bind_conf->settings.bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002308 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",
2309 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2310 }
2311
2312 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002313 mask = proc_mask(bind_conf->settings.bind_proc) & proc_mask(curproxy->bind_proc);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002314 if (!(mask & all_proc_mask)) {
2315 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02002316 nbproc = my_popcountl(bind_conf->settings.bind_proc);
2317 bind_conf->settings.bind_proc = proc_mask(bind_conf->settings.bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002318
Willy Tarreaue26993c2020-09-03 07:18:55 +02002319 if (!bind_conf->settings.bind_proc && nbproc == 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002320 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",
2321 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002322 bind_conf->settings.bind_proc = mask & ~(mask - 1);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002323 }
Willy Tarreaue26993c2020-09-03 07:18:55 +02002324 else if (!bind_conf->settings.bind_proc && nbproc > 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002325 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",
2326 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002327 bind_conf->settings.bind_proc = 0;
Willy Tarreaua36b3242019-02-02 13:14:34 +01002328 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002329 }
2330 }
2331
Willy Tarreauff01a212009-03-15 13:46:16 +01002332 switch (curproxy->mode) {
2333 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002334 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002335 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002336 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2337 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002338 cfgerr++;
2339 }
2340
2341 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002342 ha_warning("config : servers will be ignored for %s '%s'.\n",
2343 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002344 break;
2345
2346 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002347 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002348 break;
2349
2350 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002351 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002352 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002353
2354 case PR_MODE_CLI:
2355 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2356 break;
Emeric Brun54932b42020-07-07 09:43:24 +02002357 case PR_MODE_SYSLOG:
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002358 case PR_MODE_PEERS:
Emeric Brun54932b42020-07-07 09:43:24 +02002359 case PR_MODES:
2360 /* should not happen, bug gcc warn missing switch statement */
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002361 ha_alert("config : %s '%s' cannot use peers or syslog mode for this proxy. NOTE: PLEASE REPORT THIS TO DEVELOPERS AS YOU'RE NOT SUPPOSED TO BE ABLE TO CREATE A CONFIGURATION TRIGGERING THIS!\n",
Emeric Brun54932b42020-07-07 09:43:24 +02002362 proxy_type_str(curproxy), curproxy->id);
2363 cfgerr++;
2364 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002365 }
2366
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002367 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002368 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2369 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002370 err_code |= ERR_WARN;
2371 }
2372
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002373 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002374 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002375 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002376 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2377 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002378 cfgerr++;
2379 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002380#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002381 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002382 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2383 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002384 cfgerr++;
2385 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002386#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002387 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002388 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2389 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002390 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002391 }
2392 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002393 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002394 /* If no LB algo is set in a backend, and we're not in
2395 * transparent mode, dispatch mode nor proxy mode, we
2396 * want to use balance roundrobin by default.
2397 */
2398 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2399 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002400 }
2401 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002402
Willy Tarreau1620ec32011-08-06 17:05:02 +02002403 if (curproxy->options & PR_O_DISPATCH)
2404 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2405 else if (curproxy->options & PR_O_HTTP_PROXY)
2406 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2407 else if (curproxy->options & PR_O_TRANSP)
2408 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002409
Christopher Faulete5870d82020-04-15 11:32:03 +02002410 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_HTTP_RS)) {
2411 ha_warning("config : %s '%s' uses http-check rules without 'option httpchk', so the rules are ignored.\n",
2412 proxy_type_str(curproxy), curproxy->id);
2413 err_code |= ERR_WARN;
2414 }
2415
2416 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_TCPCHK_CHK &&
Christopher Fauletc0fcbe42020-06-03 19:00:42 +02002417 (curproxy->tcpcheck_rules.flags & TCPCHK_RULES_PROTO_CHK) != TCPCHK_RULES_HTTP_CHK) {
Willy Tarreau1620ec32011-08-06 17:05:02 +02002418 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002419 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2420 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002421 err_code |= ERR_WARN;
2422 curproxy->options &= ~PR_O_DISABLE404;
2423 }
2424 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002425 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2426 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002427 err_code |= ERR_WARN;
2428 curproxy->options &= ~PR_O2_CHK_SNDST;
2429 }
Willy Tarreauef781042010-01-27 11:53:01 +01002430 }
2431
Simon Horman98637e52014-06-20 12:30:16 +09002432 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2433 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002434 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2435 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002436 cfgerr++;
2437 }
2438 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002439 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2440 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002441 cfgerr++;
2442 }
Willy Tarreaud96f1122019-12-03 07:07:36 +01002443 if (!(global.tune.options & GTUNE_INSECURE_FORK)) {
2444 ha_warning("Proxy '%s' : 'insecure-fork-wanted' not enabled in the global section, '%s' will likely fail.\n",
2445 curproxy->id, "option external-check");
2446 err_code |= ERR_WARN;
2447 }
Simon Horman98637e52014-06-20 12:30:16 +09002448 }
2449
Simon Horman64e34162015-02-06 11:11:57 +09002450 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002451 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002452 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2453 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2454 "'email-alert myhostname', or 'email-alert to' "
2455 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2456 "to be present).\n",
2457 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002458 err_code |= ERR_WARN;
2459 free_email_alert(curproxy);
2460 }
2461 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002462 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002463 }
2464
Simon Horman98637e52014-06-20 12:30:16 +09002465 if (curproxy->check_command) {
2466 int clear = 0;
2467 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002468 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2469 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002470 err_code |= ERR_WARN;
2471 clear = 1;
2472 }
2473 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002474 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2475 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002476 cfgerr++;
2477 }
2478 if (clear) {
2479 free(curproxy->check_command);
2480 curproxy->check_command = NULL;
2481 }
2482 }
2483
2484 if (curproxy->check_path) {
2485 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002486 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2487 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002488 err_code |= ERR_WARN;
2489 free(curproxy->check_path);
2490 curproxy->check_path = NULL;
2491 }
2492 }
2493
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002494 /* if a default backend was specified, let's find it */
2495 if (curproxy->defbe.name) {
2496 struct proxy *target;
2497
Willy Tarreauafb39922015-05-26 12:04:09 +02002498 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002499 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002500 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2501 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002502 cfgerr++;
2503 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002504 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2505 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002506 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002507 } else if (target->mode != curproxy->mode &&
2508 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2509
Christopher Faulet767a84b2017-11-24 16:50:31 +01002510 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2511 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2512 curproxy->conf.file, curproxy->conf.line,
2513 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2514 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002515 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002516 } else {
2517 free(curproxy->defbe.name);
2518 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002519 /* Emit a warning if this proxy also has some servers */
2520 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002521 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2522 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002523 err_code |= ERR_WARN;
2524 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002525 }
2526 }
2527
Willy Tarreau55ea7572007-06-17 19:56:27 +02002528 /* find the target proxy for 'use_backend' rules */
2529 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002530 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002531 struct logformat_node *node;
2532 char *pxname;
2533
2534 /* Try to parse the string as a log format expression. If the result
2535 * of the parsing is only one entry containing a simple string, then
2536 * it's a standard string corresponding to a static rule, thus the
2537 * parsing is cancelled and be.name is restored to be resolved.
2538 */
2539 pxname = rule->be.name;
2540 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002541 curproxy->conf.args.ctx = ARGC_UBK;
2542 curproxy->conf.args.file = rule->file;
2543 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002544 err = NULL;
2545 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002546 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2547 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002548 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002549 cfgerr++;
2550 continue;
2551 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002552 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2553
2554 if (!LIST_ISEMPTY(&rule->be.expr)) {
2555 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2556 rule->dynamic = 1;
2557 free(pxname);
2558 continue;
2559 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002560 /* Only one element in the list, a simple string: free the expression and
2561 * fall back to static rule
2562 */
2563 LIST_DEL(&node->list);
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002564 free(node->arg);
2565 free(node);
2566 }
2567
2568 rule->dynamic = 0;
2569 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002570
Willy Tarreauafb39922015-05-26 12:04:09 +02002571 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002572 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002573 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2574 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002575 cfgerr++;
2576 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002577 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2578 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002579 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002580 } else if (target->mode != curproxy->mode &&
2581 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2582
Christopher Faulet767a84b2017-11-24 16:50:31 +01002583 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2584 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2585 curproxy->conf.file, curproxy->conf.line,
2586 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2587 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002588 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002589 } else {
2590 free((void *)rule->be.name);
2591 rule->be.backend = target;
2592 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002593 }
2594
Willy Tarreau64ab6072014-09-16 12:17:36 +02002595 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002596 list_for_each_entry(srule, &curproxy->server_rules, list) {
Jerome Magnin824186b2020-03-29 09:37:12 +02002597 struct server *target;
2598 struct logformat_node *node;
2599 char *server_name;
2600
2601 /* We try to parse the string as a log format expression. If the result of the parsing
2602 * is only one entry containing a single string, then it's a standard string corresponding
2603 * to a static rule, thus the parsing is cancelled and we fall back to setting srv.ptr.
2604 */
2605 server_name = srule->srv.name;
2606 LIST_INIT(&srule->expr);
2607 curproxy->conf.args.ctx = ARGC_USRV;
2608 err = NULL;
2609 if (!parse_logformat_string(server_name, curproxy, &srule->expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
2610 ha_alert("Parsing [%s:%d]; use-server rule failed to parse log-format '%s' : %s.\n",
2611 srule->file, srule->line, server_name, err);
2612 free(err);
2613 cfgerr++;
2614 continue;
2615 }
2616 node = LIST_NEXT(&srule->expr, struct logformat_node *, list);
2617
2618 if (!LIST_ISEMPTY(&srule->expr)) {
2619 if (node->type != LOG_FMT_TEXT || node->list.n != &srule->expr) {
2620 srule->dynamic = 1;
2621 free(server_name);
2622 continue;
2623 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002624 /* Only one element in the list, a simple string: free the expression and
2625 * fall back to static rule
2626 */
2627 LIST_DEL(&node->list);
Jerome Magnin824186b2020-03-29 09:37:12 +02002628 free(node->arg);
2629 free(node);
2630 }
2631
2632 srule->dynamic = 0;
2633 srule->srv.name = server_name;
2634 target = findserver(curproxy, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002635
2636 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002637 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2638 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002639 cfgerr++;
2640 continue;
2641 }
2642 free((void *)srule->srv.name);
2643 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002644 }
2645
Emeric Brunb982a3d2010-01-04 15:45:53 +01002646 /* find the target table for 'stick' rules */
2647 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002648 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002649
Emeric Brun1d33b292010-01-04 15:47:17 +01002650 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2651 if (mrule->flags & STK_IS_STORE)
2652 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2653
Emeric Brunb982a3d2010-01-04 15:45:53 +01002654 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002655 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002656 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002657 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002658
2659 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002660 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002661 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002662 cfgerr++;
2663 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002664 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002665 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2666 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002667 cfgerr++;
2668 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002669 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002670 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2671 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002672 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002673 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002674 else {
2675 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002676 mrule->table.t = target;
2677 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002678 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002679 if (!in_proxies_list(target->proxies_list, curproxy)) {
2680 curproxy->next_stkt_ref = target->proxies_list;
2681 target->proxies_list = curproxy;
2682 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002683 }
2684 }
2685
2686 /* find the target table for 'store response' rules */
2687 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002688 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002689
Emeric Brun1d33b292010-01-04 15:47:17 +01002690 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2691
Emeric Brunb982a3d2010-01-04 15:45:53 +01002692 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002693 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002694 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002695 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002696
2697 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002698 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002699 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002700 cfgerr++;
2701 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002702 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002703 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2704 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002705 cfgerr++;
2706 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002707 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002708 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2709 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002710 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002711 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002712 else {
2713 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002714 mrule->table.t = target;
2715 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002716 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002717 if (!in_proxies_list(target->proxies_list, curproxy)) {
2718 curproxy->next_stkt_ref = target->proxies_list;
2719 target->proxies_list = curproxy;
2720 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002721 }
2722 }
2723
Christopher Faulete4e830d2017-09-18 14:51:41 +02002724 /* check validity for 'tcp-request' layer 4 rules */
2725 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2726 err = NULL;
2727 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002728 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002729 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002730 cfgerr++;
2731 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002732 }
2733
Christopher Faulete4e830d2017-09-18 14:51:41 +02002734 /* check validity for 'tcp-request' layer 5 rules */
2735 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2736 err = NULL;
2737 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002738 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002739 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002740 cfgerr++;
2741 }
2742 }
2743
Christopher Faulete4e830d2017-09-18 14:51:41 +02002744 /* check validity for 'tcp-request' layer 6 rules */
2745 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2746 err = NULL;
2747 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002748 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002749 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002750 cfgerr++;
2751 }
2752 }
2753
Christopher Faulete4e830d2017-09-18 14:51:41 +02002754 /* check validity for 'http-request' layer 7 rules */
2755 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2756 err = NULL;
2757 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002758 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002759 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002760 cfgerr++;
2761 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002762 }
2763
Christopher Faulete4e830d2017-09-18 14:51:41 +02002764 /* check validity for 'http-response' layer 7 rules */
2765 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2766 err = NULL;
2767 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002768 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002769 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002770 cfgerr++;
2771 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002772 }
2773
Christopher Faulet6d0c3df2020-01-22 09:26:35 +01002774 /* check validity for 'http-after-response' layer 7 rules */
2775 list_for_each_entry(arule, &curproxy->http_after_res_rules, list) {
2776 err = NULL;
2777 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
2778 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
2779 free(err);
2780 cfgerr++;
2781 }
2782 }
2783
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002784 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002785 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002786
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002787 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002788 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
2789 free((void *)curproxy->table->peers.name);
2790 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002791 break;
2792 }
2793 }
2794
2795 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002796 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002797 curproxy->id, curproxy->table->peers.name);
2798 free((void *)curproxy->table->peers.name);
2799 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002800 cfgerr++;
2801 }
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02002802 else if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002803 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002804 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002805 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002806 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002807 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2808 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002809 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002810 cfgerr++;
2811 }
2812 }
2813
Simon Horman9dc49962015-01-30 11:22:59 +09002814
2815 if (curproxy->email_alert.mailers.name) {
2816 struct mailers *curmailers = mailers;
2817
2818 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002819 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002820 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002821 }
Simon Horman9dc49962015-01-30 11:22:59 +09002822 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002823 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2824 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002825 free_email_alert(curproxy);
2826 cfgerr++;
2827 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002828 else {
2829 err = NULL;
2830 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002831 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002832 free(err);
2833 cfgerr++;
2834 }
2835 }
Simon Horman9dc49962015-01-30 11:22:59 +09002836 }
2837
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002838 if (curproxy->uri_auth && curproxy->uri_auth != defproxy.uri_auth &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002839 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002840 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002841 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2842 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002843 cfgerr++;
2844 goto out_uri_auth_compat;
2845 }
2846
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002847 if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
2848 (curproxy->uri_auth != defproxy.uri_auth ||
2849 LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002850 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002851 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002852 int i = 0;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002853 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2854 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002855
2856 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002857 uri_auth_compat_req[i++] = "realm";
2858 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2859 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002860
Willy Tarreau95fa4692010-02-01 13:05:50 +01002861 uri_auth_compat_req[i++] = "unless";
2862 uri_auth_compat_req[i++] = "{";
2863 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2864 uri_auth_compat_req[i++] = "}";
2865 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002866
Willy Tarreauff011f22011-01-06 17:51:27 +01002867 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2868 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002869 cfgerr++;
2870 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002871 }
2872
Willy Tarreauff011f22011-01-06 17:51:27 +01002873 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002874
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002875 if (curproxy->uri_auth->auth_realm) {
2876 free(curproxy->uri_auth->auth_realm);
2877 curproxy->uri_auth->auth_realm = NULL;
2878 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002879 }
2880out_uri_auth_compat:
2881
Dragan Dosen43885c72015-10-01 13:18:13 +02002882 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002883 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002884 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2885 if (!curproxy->conf.logformat_sd_string) {
2886 /* set the default logformat_sd_string */
2887 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2888 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002889 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002890 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002891 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002892
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002893 /* compile the log format */
2894 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002895 if (curproxy->conf.logformat_string != default_http_log_format &&
2896 curproxy->conf.logformat_string != default_tcp_log_format &&
2897 curproxy->conf.logformat_string != clf_http_log_format)
2898 free(curproxy->conf.logformat_string);
2899 curproxy->conf.logformat_string = NULL;
2900 free(curproxy->conf.lfs_file);
2901 curproxy->conf.lfs_file = NULL;
2902 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002903
2904 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2905 free(curproxy->conf.logformat_sd_string);
2906 curproxy->conf.logformat_sd_string = NULL;
2907 free(curproxy->conf.lfsd_file);
2908 curproxy->conf.lfsd_file = NULL;
2909 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002910 }
2911
Willy Tarreau62a61232013-04-12 18:13:46 +02002912 if (curproxy->conf.logformat_string) {
2913 curproxy->conf.args.ctx = ARGC_LOG;
2914 curproxy->conf.args.file = curproxy->conf.lfs_file;
2915 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002916 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002917 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat,
2918 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002919 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002920 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2921 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002922 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002923 cfgerr++;
2924 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002925 curproxy->conf.args.file = NULL;
2926 curproxy->conf.args.line = 0;
2927 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002928
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002929 if (curproxy->conf.logformat_sd_string) {
2930 curproxy->conf.args.ctx = ARGC_LOGSD;
2931 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2932 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002933 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002934 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd,
2935 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002936 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002937 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2938 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002939 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002940 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002941 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002942 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2943 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002944 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002945 cfgerr++;
2946 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002947 curproxy->conf.args.file = NULL;
2948 curproxy->conf.args.line = 0;
2949 }
2950
Willy Tarreau62a61232013-04-12 18:13:46 +02002951 if (curproxy->conf.uniqueid_format_string) {
2952 curproxy->conf.args.ctx = ARGC_UIF;
2953 curproxy->conf.args.file = curproxy->conf.uif_file;
2954 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002955 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002956 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id,
2957 LOG_OPT_HTTP|LOG_OPT_MERGE_SPACES,
2958 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR
2959 : SMP_VAL_BE_HRQ_HDR,
2960 &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002961 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2962 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002963 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002964 cfgerr++;
2965 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002966 curproxy->conf.args.file = NULL;
2967 curproxy->conf.args.line = 0;
2968 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002969
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002970 /* only now we can check if some args remain unresolved.
2971 * This must be done after the users and groups resolution.
2972 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002973 cfgerr += smp_resolve_args(curproxy);
2974 if (!cfgerr)
2975 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002976
Willy Tarreau2738a142006-07-08 17:28:09 +02002977 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002978 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002979 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002980 (!curproxy->timeout.connect ||
2981 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002982 ha_warning("config : missing timeouts for %s '%s'.\n"
2983 " | While not properly invalid, you will certainly encounter various problems\n"
2984 " | with such a configuration. To fix this, please ensure that all following\n"
2985 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2986 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002987 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002988 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002989
Willy Tarreau1fa31262007-12-03 00:36:16 +01002990 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2991 * We must still support older configurations, so let's find out whether those
2992 * parameters have been set or must be copied from contimeouts.
2993 */
2994 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002995 if (!curproxy->timeout.tarpit ||
2996 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002997 /* tarpit timeout not set. We search in the following order:
2998 * default.tarpit, curr.connect, default.connect.
2999 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003000 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003001 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003002 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003003 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003004 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003005 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003006 }
3007 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003008 (!curproxy->timeout.queue ||
3009 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003010 /* queue timeout not set. We search in the following order:
3011 * default.queue, curr.connect, default.connect.
3012 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003013 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003014 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003015 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003016 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003017 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003018 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003019 }
3020 }
3021
Christopher Faulete5870d82020-04-15 11:32:03 +02003022 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_TCP_RS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003023 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3024 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003025 err_code |= ERR_WARN;
3026 }
3027
Willy Tarreau193b8c62012-11-22 00:17:38 +01003028 /* ensure that cookie capture length is not too large */
3029 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003030 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3031 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003032 err_code |= ERR_WARN;
3033 curproxy->capture_len = global.tune.cookie_len - 1;
3034 }
3035
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003036 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003037 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003038 curproxy->req_cap_pool = create_pool("ptrcap",
3039 curproxy->nb_req_cap * sizeof(char *),
3040 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003041 }
3042
3043 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003044 curproxy->rsp_cap_pool = create_pool("ptrcap",
3045 curproxy->nb_rsp_cap * sizeof(char *),
3046 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003047 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003048
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003049 switch (curproxy->load_server_state_from_file) {
3050 case PR_SRV_STATE_FILE_UNSPEC:
3051 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3052 break;
3053 case PR_SRV_STATE_FILE_GLOBAL:
3054 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003055 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",
3056 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003057 err_code |= ERR_WARN;
3058 }
3059 break;
3060 }
3061
Willy Tarreaubaaee002006-06-26 02:48:02 +02003062 /* first, we will invert the servers list order */
3063 newsrv = NULL;
3064 while (curproxy->srv) {
3065 struct server *next;
3066
3067 next = curproxy->srv->next;
3068 curproxy->srv->next = newsrv;
3069 newsrv = curproxy->srv;
3070 if (!next)
3071 break;
3072 curproxy->srv = next;
3073 }
3074
Willy Tarreau17edc812014-01-03 12:14:34 +01003075 /* Check that no server name conflicts. This causes trouble in the stats.
3076 * We only emit a warning for the first conflict affecting each server,
3077 * in order to avoid combinatory explosion if all servers have the same
3078 * name. We do that only for servers which do not have an explicit ID,
3079 * because these IDs were made also for distinguishing them and we don't
3080 * want to annoy people who correctly manage them.
3081 */
3082 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3083 struct server *other_srv;
3084
3085 if (newsrv->puid)
3086 continue;
3087
3088 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3089 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02003090 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 +01003091 newsrv->conf.file, newsrv->conf.line,
3092 proxy_type_str(curproxy), curproxy->id,
3093 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02003094 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01003095 break;
3096 }
3097 }
3098 }
3099
Willy Tarreaudd701652010-05-25 23:03:02 +02003100 /* assign automatic UIDs to servers which don't have one yet */
3101 next_id = 1;
3102 newsrv = curproxy->srv;
3103 while (newsrv != NULL) {
3104 if (!newsrv->puid) {
3105 /* server ID not set, use automatic numbering with first
3106 * spare entry starting with next_svid.
3107 */
3108 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3109 newsrv->conf.id.key = newsrv->puid = next_id;
3110 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02003111 newsrv->conf.name.key = newsrv->id;
3112 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02003113 }
3114 next_id++;
3115 newsrv = newsrv->next;
3116 }
3117
Willy Tarreau20697042007-11-15 23:26:18 +01003118 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003119 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003120
Willy Tarreau62c3be22012-01-20 13:12:32 +01003121 /*
3122 * If this server supports a maxconn parameter, it needs a dedicated
3123 * tasks to fill the emptied slots when a connection leaves.
3124 * Also, resolve deferred tracking dependency if needed.
3125 */
3126 newsrv = curproxy->srv;
3127 while (newsrv != NULL) {
3128 if (newsrv->minconn > newsrv->maxconn) {
3129 /* Only 'minconn' was specified, or it was higher than or equal
3130 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3131 * this will avoid further useless expensive computations.
3132 */
3133 newsrv->maxconn = newsrv->minconn;
3134 } else if (newsrv->maxconn && !newsrv->minconn) {
3135 /* minconn was not specified, so we set it to maxconn */
3136 newsrv->minconn = newsrv->maxconn;
3137 }
3138
Willy Tarreau17d45382016-12-22 21:16:08 +01003139 /* this will also properly set the transport layer for prod and checks */
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003140 if (newsrv->use_ssl == 1 || newsrv->check.use_ssl == 1 || (newsrv->proxy->options & PR_O_TCPCHK_SSL)) {
Willy Tarreau17d45382016-12-22 21:16:08 +01003141 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3142 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3143 }
Emeric Brun94324a42012-10-11 14:00:19 +02003144
Willy Tarreau034c88c2017-01-23 23:36:45 +01003145 if ((newsrv->flags & SRV_F_FASTOPEN) &&
3146 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
3147 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
3148 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",
3149 newsrv->conf.file, newsrv->conf.line,
3150 proxy_type_str(curproxy), curproxy->id,
3151 newsrv->id);
3152
Willy Tarreau62c3be22012-01-20 13:12:32 +01003153 if (newsrv->trackit) {
3154 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003155 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003156 char *pname, *sname;
3157
3158 pname = newsrv->trackit;
3159 sname = strrchr(pname, '/');
3160
3161 if (sname)
3162 *sname++ = '\0';
3163 else {
3164 sname = pname;
3165 pname = NULL;
3166 }
3167
3168 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003169 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003170 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003171 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3172 proxy_type_str(curproxy), curproxy->id,
3173 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003174 cfgerr++;
3175 goto next_srv;
3176 }
3177 } else
3178 px = curproxy;
3179
3180 srv = findserver(px, sname);
3181 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003182 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3183 proxy_type_str(curproxy), curproxy->id,
3184 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003185 cfgerr++;
3186 goto next_srv;
3187 }
3188
Christopher Faulet8892e5d2020-03-26 19:48:20 +01003189 if (!srv->do_check && !srv->do_agent && !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003190 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3191 "tracking as it does not have any check nor agent enabled.\n",
3192 proxy_type_str(curproxy), curproxy->id,
3193 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003194 cfgerr++;
3195 goto next_srv;
3196 }
3197
3198 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3199
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003200 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003201 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3202 "belongs to a tracking chain looping back to %s/%s.\n",
3203 proxy_type_str(curproxy), curproxy->id,
3204 newsrv->id, px->id, srv->id, px->id,
3205 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003206 cfgerr++;
3207 goto next_srv;
3208 }
3209
3210 if (curproxy != px &&
3211 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003212 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3213 "tracking: disable-on-404 option inconsistency.\n",
3214 proxy_type_str(curproxy), curproxy->id,
3215 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003216 cfgerr++;
3217 goto next_srv;
3218 }
3219
Willy Tarreau62c3be22012-01-20 13:12:32 +01003220 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003221 newsrv->tracknext = srv->trackers;
3222 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003223
3224 free(newsrv->trackit);
3225 newsrv->trackit = NULL;
3226 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003227
Willy Tarreau62c3be22012-01-20 13:12:32 +01003228 next_srv:
3229 newsrv = newsrv->next;
3230 }
3231
Olivier Houchard4e694042017-03-14 20:01:29 +01003232 /*
3233 * Try to generate dynamic cookies for servers now.
3234 * It couldn't be done earlier, since at the time we parsed
3235 * the server line, we may not have known yet that we
3236 * should use dynamic cookies, or the secret key may not
3237 * have been provided yet.
3238 */
3239 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3240 newsrv = curproxy->srv;
3241 while (newsrv != NULL) {
3242 srv_set_dyncookie(newsrv);
3243 newsrv = newsrv->next;
3244 }
3245
3246 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003247 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003248 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003249 */
3250
3251 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3252 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3253 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003254 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3255 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3256 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003257 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3258 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3259 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003260 } else {
3261 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3262 fwrr_init_server_groups(curproxy);
3263 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003264 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003265
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003266 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003267 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3268 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3269 fwlc_init_server_tree(curproxy);
3270 } else {
3271 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3272 fas_init_server_tree(curproxy);
3273 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003274 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003275
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003276 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003277 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3278 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3279 chash_init_server_tree(curproxy);
3280 } else {
3281 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3282 init_server_map(curproxy);
3283 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003284 break;
3285 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003286 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003287
3288 if (curproxy->options & PR_O_LOGASAP)
3289 curproxy->to_log &= ~LW_BYTES;
3290
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003291 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003292 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3293 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003294 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3295 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003296 err_code |= ERR_WARN;
3297 }
3298
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003299 if (curproxy->mode != PR_MODE_HTTP) {
3300 int optnum;
3301
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003302 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003303 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3304 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003305 err_code |= ERR_WARN;
3306 curproxy->uri_auth = NULL;
3307 }
3308
Willy Tarreaude7dc882017-03-10 11:49:21 +01003309 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003310 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3311 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003312 err_code |= ERR_WARN;
3313 }
3314
3315 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003316 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3317 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003318 err_code |= ERR_WARN;
3319 }
3320
3321 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003322 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3323 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003324 err_code |= ERR_WARN;
3325 }
3326
Willy Tarreaude7dc882017-03-10 11:49:21 +01003327 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003328 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3329 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003330 err_code |= ERR_WARN;
3331 }
3332
Willy Tarreau87cf5142011-08-19 22:57:24 +02003333 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003334 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3335 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003336 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003337 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003338 }
3339
3340 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003341 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3342 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003343 err_code |= ERR_WARN;
3344 curproxy->options &= ~PR_O_ORGTO;
3345 }
3346
3347 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3348 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3349 (curproxy->cap & cfg_opts[optnum].cap) &&
3350 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003351 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3352 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003353 err_code |= ERR_WARN;
3354 curproxy->options &= ~cfg_opts[optnum].val;
3355 }
3356 }
3357
3358 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3359 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3360 (curproxy->cap & cfg_opts2[optnum].cap) &&
3361 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003362 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3363 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003364 err_code |= ERR_WARN;
3365 curproxy->options2 &= ~cfg_opts2[optnum].val;
3366 }
3367 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003368
Willy Tarreau29fbe512015-08-20 19:35:14 +02003369#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003370 if (curproxy->conn_src.bind_hdr_occ) {
3371 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003372 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3373 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003374 err_code |= ERR_WARN;
3375 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003376#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003377 }
3378
Willy Tarreaubaaee002006-06-26 02:48:02 +02003379 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003380 * ensure that we're not cross-dressing a TCP server into HTTP.
3381 */
3382 newsrv = curproxy->srv;
3383 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003384 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003385 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3386 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003387 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003388 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003389
Willy Tarreau0cec3312011-10-31 13:49:26 +01003390 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003391 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3392 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003393 err_code |= ERR_WARN;
3394 }
3395
Willy Tarreauc93cd162014-05-13 15:54:22 +02003396 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003397 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3398 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003399 err_code |= ERR_WARN;
3400 }
3401
Willy Tarreau29fbe512015-08-20 19:35:14 +02003402#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003403 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3404 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003405 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3406 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003407 err_code |= ERR_WARN;
3408 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003409#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003410
Willy Tarreau46deab62018-04-28 07:18:15 +02003411 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3412 curproxy->options &= ~PR_O_REUSE_MASK;
3413
Willy Tarreau21d2af32008-02-14 20:25:24 +01003414 newsrv = newsrv->next;
3415 }
3416
Christopher Fauletd7c91962015-04-30 11:48:27 +02003417 /* Check filter configuration, if any */
3418 cfgerr += flt_check(curproxy);
3419
Willy Tarreauc1a21672009-08-16 22:37:44 +02003420 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003421 if (!curproxy->accept)
3422 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003423
Willy Tarreauc1a21672009-08-16 22:37:44 +02003424 if (curproxy->tcp_req.inspect_delay ||
3425 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003426 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003427
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003428 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003429 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003430 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003431 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003432
William Lallemandcf62f7e2018-10-26 14:47:40 +02003433 if (curproxy->mode == PR_MODE_CLI) {
3434 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3435 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3436 }
3437
Willy Tarreauc1a21672009-08-16 22:37:44 +02003438 /* both TCP and HTTP must check switching rules */
3439 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003440
3441 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003442 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003443 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3444 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 +01003445 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003446 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3447 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003448 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003449 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003450 }
3451
3452 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003453 if (curproxy->tcp_req.inspect_delay ||
3454 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3455 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3456
Emeric Brun97679e72010-09-23 17:56:44 +02003457 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3458 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3459
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003460 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003461 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003462 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003463 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003464
3465 /* If the backend does requires RDP cookie persistence, we have to
3466 * enable the corresponding analyser.
3467 */
3468 if (curproxy->options2 & PR_O2_RDPC_PRST)
3469 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003470
3471 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003472 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003473 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3474 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 +01003475 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003476 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3477 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003478 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003479 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003480 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003481
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003482 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003483 * attached to the current proxy */
3484 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3485 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003486 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003487
3488 if (!bind_conf->mux_proto)
3489 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003490
3491 /* it is possible that an incorrect mux was referenced
3492 * due to the proxy's mode not being taken into account
3493 * on first pass. Let's adjust it now.
3494 */
3495 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3496
3497 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003498 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3499 proxy_type_str(curproxy), curproxy->id,
3500 (int)bind_conf->mux_proto->token.len,
3501 bind_conf->mux_proto->token.ptr,
3502 bind_conf->arg, bind_conf->file, bind_conf->line);
3503 cfgerr++;
3504 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003505
3506 /* update the mux */
3507 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003508 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003509 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3510 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003511 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003512
3513 if (!newsrv->mux_proto)
3514 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003515
3516 /* it is possible that an incorrect mux was referenced
3517 * due to the proxy's mode not being taken into account
3518 * on first pass. Let's adjust it now.
3519 */
3520 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3521
3522 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003523 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3524 proxy_type_str(curproxy), curproxy->id,
3525 (int)newsrv->mux_proto->token.len,
3526 newsrv->mux_proto->token.ptr,
3527 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3528 cfgerr++;
3529 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003530
3531 /* update the mux */
3532 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003533 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003534
3535 /* initialize idle conns lists */
3536 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3537 int i;
3538
Willy Tarreauad37c7a2020-07-17 14:18:36 +02003539 newsrv->available_conns = calloc(global.nbthread, sizeof(*newsrv->available_conns));
Willy Tarreau835daa12019-02-07 14:46:29 +01003540
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003541 if (!newsrv->available_conns) {
Willy Tarreau835daa12019-02-07 14:46:29 +01003542 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003543 newsrv->conf.file, newsrv->conf.line, newsrv->id);
Willy Tarreau835daa12019-02-07 14:46:29 +01003544 cfgerr++;
3545 continue;
3546 }
3547
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003548 for (i = 0; i < global.nbthread; i++)
3549 LIST_INIT(&newsrv->available_conns[i]);
Willy Tarreau980855b2019-02-07 14:59:29 +01003550
3551 if (newsrv->max_idle_conns != 0) {
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003552 if (idle_conn_task == NULL) {
3553 idle_conn_task = task_new(MAX_THREADS_MASK);
3554 if (!idle_conn_task)
3555 goto err;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003556
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003557 idle_conn_task->process = srv_cleanup_idle_connections;
3558 idle_conn_task->context = NULL;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003559
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003560 for (i = 0; i < global.nbthread; i++) {
Willy Tarreau4d82bf52020-06-28 00:19:17 +02003561 idle_conns[i].cleanup_task = task_new(1UL << i);
3562 if (!idle_conns[i].cleanup_task)
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003563 goto err;
Willy Tarreau4d82bf52020-06-28 00:19:17 +02003564 idle_conns[i].cleanup_task->process = srv_cleanup_toremove_connections;
3565 idle_conns[i].cleanup_task->context = NULL;
Olivier Houchardf8f4c2e2020-06-29 20:15:59 +02003566 HA_SPIN_INIT(&idle_conns[i].takeover_lock);
Willy Tarreau4d82bf52020-06-28 00:19:17 +02003567 MT_LIST_INIT(&idle_conns[i].toremove_conns);
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003568 }
3569 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003570
Willy Tarreau9b9c1742020-07-17 15:04:53 +02003571 newsrv->idle_conns = calloc((unsigned short)global.nbthread, sizeof(*newsrv->idle_conns));
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003572 if (!newsrv->idle_conns) {
3573 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3574 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3575 cfgerr++;
3576 continue;
3577 }
3578
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003579 for (i = 0; i < global.nbthread; i++)
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003580 MT_LIST_INIT(&newsrv->idle_conns[i]);
3581
Willy Tarreauad37c7a2020-07-17 14:18:36 +02003582 newsrv->safe_conns = calloc(global.nbthread, sizeof(*newsrv->safe_conns));
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003583 if (!newsrv->safe_conns) {
3584 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3585 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3586 cfgerr++;
3587 continue;
3588 }
3589
3590 for (i = 0; i < global.nbthread; i++)
3591 MT_LIST_INIT(&newsrv->safe_conns[i]);
3592
Tim Duesterhusb53dd032020-09-12 20:26:42 +02003593 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
Olivier Houchardf1314812019-02-18 16:41:17 +01003594 if (!newsrv->curr_idle_thr)
3595 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003596 continue;
3597 err:
3598 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3599 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3600 cfgerr++;
3601 continue;
3602 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003603 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003604 }
3605
3606 /***********************************************************/
3607 /* At this point, target names have already been resolved. */
3608 /***********************************************************/
3609
3610 /* Check multi-process mode compatibility */
3611
3612 if (global.nbproc > 1 && global.stats_fe) {
3613 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3614 unsigned long mask;
3615
Willy Tarreau6daac192019-02-02 17:39:53 +01003616 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02003617 mask &= proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003618
3619 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003620 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003621 break;
3622 }
3623 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003624 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 +02003625 }
3626 }
3627
3628 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003629 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003630 if (curproxy->bind_proc)
3631 continue;
3632
3633 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3634 unsigned long mask;
3635
Willy Tarreaue26993c2020-09-03 07:18:55 +02003636 mask = proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003637 curproxy->bind_proc |= mask;
3638 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003639 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003640 }
3641
3642 if (global.stats_fe) {
3643 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3644 unsigned long mask;
3645
Willy Tarreaue26993c2020-09-03 07:18:55 +02003646 mask = bind_conf->settings.bind_proc ? bind_conf->settings.bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003647 global.stats_fe->bind_proc |= mask;
3648 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003649 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003650 }
3651
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003652 /* propagate bindings from frontends to backends. Don't do it if there
3653 * are any fatal errors as we must not call it with unresolved proxies.
3654 */
3655 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003656 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003657 if (curproxy->cap & PR_CAP_FE)
3658 propagate_processes(curproxy, NULL);
3659 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003660 }
3661
3662 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003663 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3664 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003665
3666 /*******************************************************/
3667 /* At this step, all proxies have a non-null bind_proc */
3668 /*******************************************************/
3669
3670 /* perform the final checks before creating tasks */
3671
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003672 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003673 struct listener *listener;
3674 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003675
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003676 /* Configure SSL for each bind line.
3677 * Note: if configuration fails at some point, the ->ctx member
3678 * remains NULL so that listeners can later detach.
3679 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003680 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003681 if (bind_conf->xprt->prepare_bind_conf &&
3682 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003683 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003684 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003685
Willy Tarreaue6b98942007-10-29 01:09:36 +01003686 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003687 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003688 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003689 int nbproc;
3690
3691 nbproc = my_popcountl(curproxy->bind_proc &
Willy Tarreaue26993c2020-09-03 07:18:55 +02003692 (listener->bind_conf->settings.bind_proc ? listener->bind_conf->settings.bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003693 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003694
3695 if (!nbproc) /* no intersection between listener and frontend */
3696 nbproc = 1;
3697
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003698 if (!listener->luid) {
3699 /* listener ID not set, use automatic numbering with first
3700 * spare entry starting with next_luid.
3701 */
3702 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3703 listener->conf.id.key = listener->luid = next_id;
3704 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003705 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003706 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003707
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003708 /* enable separate counters */
3709 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003710 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003711 if (!listener->name)
3712 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003713 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003714
Willy Tarreaue6b98942007-10-29 01:09:36 +01003715 if (curproxy->options & PR_O_TCP_NOLING)
3716 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003717 if (!listener->maxaccept)
3718 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3719
3720 /* we want to have an optimal behaviour on single process mode to
3721 * maximize the work at once, but in multi-process we want to keep
3722 * some fairness between processes, so we target half of the max
3723 * number of events to be balanced over all the processes the proxy
Ilya Shipitsin6fb0f212020-04-02 15:25:26 +05003724 * is bound to. Remember that maxaccept = -1 must be kept as it is
Willy Tarreau16a21472012-11-19 12:39:59 +01003725 * used to disable the limit.
3726 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003727 if (listener->maxaccept > 0 && nbproc > 1) {
3728 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003729 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3730 }
3731
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003732 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003733 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003734 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003735
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003736 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003737 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003738
Willy Tarreau620408f2016-10-21 16:37:51 +02003739 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3740 listener->options |= LI_O_TCP_L5_RULES;
3741
Willy Tarreaude3041d2010-05-31 10:56:17 +02003742 if (curproxy->mon_mask.s_addr)
3743 listener->options |= LI_O_CHK_MONNET;
3744
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003745 /* smart accept mode is automatic in HTTP mode */
3746 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003747 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003748 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3749 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003750 }
3751
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003752 /* Release unused SSL configs */
3753 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003754 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3755 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003756 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003757
Willy Tarreaua38a7172019-02-02 17:11:28 +01003758 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003759 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003760 int count, maxproc = 0;
3761
3762 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreaue26993c2020-09-03 07:18:55 +02003763 count = my_popcountl(bind_conf->settings.bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003764 if (count > maxproc)
3765 maxproc = count;
3766 }
3767 /* backends have 0, frontends have 1 or more */
3768 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003769 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3770 " limited to process assigned to the current request.\n",
3771 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003772
Willy Tarreau102df612014-05-07 23:56:38 +02003773 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003774 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3775 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003776 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003777 }
Willy Tarreau102df612014-05-07 23:56:38 +02003778 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003779 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3780 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003781 }
3782 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003783
3784 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003785 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003786 if (curproxy->task) {
3787 curproxy->task->context = curproxy;
3788 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003789 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003790 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3791 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003792 cfgerr++;
3793 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003794 }
3795
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003796 /*
3797 * Recount currently required checks.
3798 */
3799
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003800 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003801 int optnum;
3802
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003803 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3804 if (curproxy->options & cfg_opts[optnum].val)
3805 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003806
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003807 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3808 if (curproxy->options2 & cfg_opts2[optnum].val)
3809 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003810 }
3811
Willy Tarreau0fca4832015-05-01 19:12:05 +02003812 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003813 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003814 if (curproxy->table && curproxy->table->peers.p)
3815 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003816
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003817 /* compute the required process bindings for the peers from <stktables_list>
3818 * for all the stick-tables, the ones coming with "peers" sections included.
3819 */
3820 for (t = stktables_list; t; t = t->next) {
3821 struct proxy *p;
3822
3823 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3824 if (t->peers.p && t->peers.p->peers_fe) {
3825 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3826 }
3827 }
3828 }
3829
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003830 if (cfg_peers) {
3831 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003832 struct peer *p, *pb;
3833
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003834 /* In the case the peers frontend was not initialized by a
3835 stick-table used in the configuration, set its bind_proc
3836 by default to the first process. */
3837 while (curpeers) {
William Lallemand3ef2d562020-03-24 16:42:15 +01003838 if (curpeers->peers_fe) {
3839 if (curpeers->peers_fe->bind_proc == 0)
3840 curpeers->peers_fe->bind_proc = 1;
3841 }
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003842 curpeers = curpeers->next;
3843 }
3844
3845 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02003846 /* Remove all peers sections which don't have a valid listener,
3847 * which are not used by any table, or which are bound to more
3848 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003849 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003850 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003851 while (*last) {
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003852 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02003853 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003854
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02003855 if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003856 /* the "disabled" keyword was present */
3857 if (curpeers->peers_fe)
3858 stop_proxy(curpeers->peers_fe);
3859 curpeers->peers_fe = NULL;
3860 }
Frédéric Lécaille5a4fe5a2019-10-04 08:30:04 +02003861 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003862 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3863 curpeers->id, localpeer);
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003864 if (curpeers->peers_fe)
3865 stop_proxy(curpeers->peers_fe);
3866 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003867 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003868 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003869 /* either it's totally stopped or too much used */
3870 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003871 ha_alert("Peers section '%s': peers referenced by sections "
3872 "running in different processes (%d different ones). "
3873 "Check global.nbproc and all tables' bind-process "
3874 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003875 cfgerr++;
3876 }
3877 stop_proxy(curpeers->peers_fe);
3878 curpeers->peers_fe = NULL;
3879 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003880 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003881 /* Initializes the transport layer of the server part of all the peers belonging to
3882 * <curpeers> section if required.
3883 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3884 * of an old process.
3885 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003886 p = curpeers->remote;
3887 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003888 if (p->srv) {
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003889 if (p->srv->use_ssl == 1 && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003890 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3891 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003892 p = p->next;
3893 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003894 /* Configure the SSL bindings of the local peer if required. */
3895 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3896 struct list *l;
3897 struct bind_conf *bind_conf;
3898
3899 l = &curpeers->peers_fe->conf.bind;
3900 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3901 if (bind_conf->xprt->prepare_bind_conf &&
3902 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3903 cfgerr++;
3904 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02003905 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02003906 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3907 curpeers->id);
3908 cfgerr++;
3909 break;
3910 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003911 last = &curpeers->next;
3912 continue;
3913 }
3914
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003915 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003916 p = curpeers->remote;
3917 while (p) {
3918 pb = p->next;
3919 free(p->id);
3920 free(p);
3921 p = pb;
3922 }
3923
3924 /* Destroy and unlink this curpeers section.
3925 * Note: curpeers is backed up into *last.
3926 */
3927 free(curpeers->id);
3928 curpeers = curpeers->next;
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003929 /* Reset any refereance to this peers section in the list of stick-tables */
3930 for (t = stktables_list; t; t = t->next) {
3931 if (t->peers.p && t->peers.p == *last)
3932 t->peers.p = NULL;
3933 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003934 free(*last);
3935 *last = curpeers;
3936 }
3937 }
3938
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003939 for (t = stktables_list; t; t = t->next) {
3940 if (t->proxy)
3941 continue;
3942 if (!stktable_init(t)) {
3943 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
3944 cfgerr++;
3945 }
3946 }
3947
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003948 /* initialize stick-tables on backend capable proxies. This must not
3949 * be done earlier because the data size may be discovered while parsing
3950 * other proxies.
3951 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003952 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauc3914d42020-09-24 08:39:22 +02003953 if (curproxy->disabled || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003954 continue;
3955
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003956 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003957 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003958 cfgerr++;
3959 }
3960 }
3961
Simon Horman0d16a402015-01-30 11:22:58 +09003962 if (mailers) {
3963 struct mailers *curmailers = mailers, **last;
3964 struct mailer *m, *mb;
3965
3966 /* Remove all mailers sections which don't have a valid listener.
3967 * This can happen when a mailers section is never referenced.
3968 */
3969 last = &mailers;
3970 while (*last) {
3971 curmailers = *last;
3972 if (curmailers->users) {
3973 last = &curmailers->next;
3974 continue;
3975 }
3976
Christopher Faulet767a84b2017-11-24 16:50:31 +01003977 ha_warning("Removing incomplete section 'mailers %s'.\n",
3978 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003979
3980 m = curmailers->mailer_list;
3981 while (m) {
3982 mb = m->next;
3983 free(m->id);
3984 free(m);
3985 m = mb;
3986 }
3987
3988 /* Destroy and unlink this curmailers section.
3989 * Note: curmailers is backed up into *last.
3990 */
3991 free(curmailers->id);
3992 curmailers = curmailers->next;
3993 free(*last);
3994 *last = curmailers;
3995 }
3996 }
3997
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003998 /* Update server_state_file_name to backend name if backend is supposed to use
3999 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004000 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004001 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
4002 curproxy->server_state_file_name == NULL)
4003 curproxy->server_state_file_name = strdup(curproxy->id);
4004 }
4005
Ben Draut054fbee2018-04-13 15:43:04 -06004006 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
4007 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
4008 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
4009 curr_resolvers->id, curr_resolvers->conf.file,
4010 curr_resolvers->conf.line);
4011 err_code |= ERR_WARN;
4012 }
4013 }
4014
William Lallemand48b4bb42017-10-23 14:36:34 +02004015 list_for_each_entry(postparser, &postparsers, list) {
4016 if (postparser->func)
4017 cfgerr += postparser->func();
4018 }
4019
Willy Tarreaubb925012009-07-23 13:36:36 +02004020 if (cfgerr > 0)
4021 err_code |= ERR_ALERT | ERR_FATAL;
4022 out:
4023 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004024}
4025
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004026/*
4027 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4028 * parsing sessions.
4029 */
4030void cfg_register_keywords(struct cfg_kw_list *kwl)
4031{
4032 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
4033}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004034
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004035/*
4036 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4037 */
4038void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4039{
4040 LIST_DEL(&kwl->list);
4041 LIST_INIT(&kwl->list);
4042}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004043
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004044/* this function register new section in the haproxy configuration file.
4045 * <section_name> is the name of this new section and <section_parser>
4046 * is the called parser. If two section declaration have the same name,
4047 * only the first declared is used.
4048 */
4049int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004050 int (*section_parser)(const char *, int, char **, int),
4051 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004052{
4053 struct cfg_section *cs;
4054
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004055 list_for_each_entry(cs, &sections, list) {
4056 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004057 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004058 return 0;
4059 }
4060 }
4061
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004062 cs = calloc(1, sizeof(*cs));
4063 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004064 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004065 return 0;
4066 }
4067
4068 cs->section_name = section_name;
4069 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004070 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004071
4072 LIST_ADDQ(&sections, &cs->list);
4073
4074 return 1;
4075}
4076
William Lallemand48b4bb42017-10-23 14:36:34 +02004077/* this function register a new function which will be called once the haproxy
4078 * configuration file has been parsed. It's useful to check dependencies
4079 * between sections or to resolve items once everything is parsed.
4080 */
4081int cfg_register_postparser(char *name, int (*func)())
4082{
4083 struct cfg_postparser *cp;
4084
4085 cp = calloc(1, sizeof(*cp));
4086 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004087 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004088 return 0;
4089 }
4090 cp->name = name;
4091 cp->func = func;
4092
4093 LIST_ADDQ(&postparsers, &cp->list);
4094
4095 return 1;
4096}
4097
Willy Tarreaubaaee002006-06-26 02:48:02 +02004098/*
David Carlier845efb52015-09-25 11:49:18 +01004099 * free all config section entries
4100 */
4101void cfg_unregister_sections(void)
4102{
4103 struct cfg_section *cs, *ics;
4104
4105 list_for_each_entry_safe(cs, ics, &sections, list) {
4106 LIST_DEL(&cs->list);
4107 free(cs);
4108 }
4109}
4110
Christopher Faulet7110b402016-10-26 11:09:44 +02004111void cfg_backup_sections(struct list *backup_sections)
4112{
4113 struct cfg_section *cs, *ics;
4114
4115 list_for_each_entry_safe(cs, ics, &sections, list) {
4116 LIST_DEL(&cs->list);
4117 LIST_ADDQ(backup_sections, &cs->list);
4118 }
4119}
4120
4121void cfg_restore_sections(struct list *backup_sections)
4122{
4123 struct cfg_section *cs, *ics;
4124
4125 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4126 LIST_DEL(&cs->list);
4127 LIST_ADDQ(&sections, &cs->list);
4128 }
4129}
4130
Willy Tarreaue6552512018-11-26 11:33:13 +01004131/* these are the config sections handled by default */
4132REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4133REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4134REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4135REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4136REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4137REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4138REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4139REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4140REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4141REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004142
David Carlier845efb52015-09-25 11:49:18 +01004143/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004144 * Local variables:
4145 * c-indent-level: 8
4146 * c-basic-offset: 8
4147 * End:
4148 */