blob: 2a0e98bcf3ed6ba169c2d1ce68f069584ef1960c [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 Tarreau8d366972020-05-27 16:10:29 +020047#include <haproxy/errors.h>
Willy Tarreauc7babd82020-06-04 21:29:29 +020048#include <haproxy/filters.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020049#include <haproxy/frontend.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020050#include <haproxy/global.h>
Willy Tarreauc2b1ff02020-06-04 21:21:03 +020051#include <haproxy/http_ana.h>
Willy Tarreauc761f842020-06-04 11:40:28 +020052#include <haproxy/http_rules.h>
Willy Tarreaufbe8da32020-06-04 14:34:27 +020053#include <haproxy/lb_chash.h>
Willy Tarreaub5fc3bf2020-06-04 14:37:38 +020054#include <haproxy/lb_fas.h>
Willy Tarreau02549412020-06-04 14:41:04 +020055#include <haproxy/lb_fwlc.h>
Willy Tarreau546ba422020-06-04 14:45:03 +020056#include <haproxy/lb_fwrr.h>
Willy Tarreau28671592020-06-04 20:22:59 +020057#include <haproxy/lb_map.h>
Willy Tarreau213e9902020-06-04 14:58:24 +020058#include <haproxy/listener.h>
Willy Tarreauaeed4a82020-06-04 22:01:04 +020059#include <haproxy/log.h>
Willy Tarreaucee013e2020-06-05 11:40:38 +020060#include <haproxy/mailers.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020061#include <haproxy/namespace.h>
Willy Tarreau8efbdfb2020-06-04 11:29:21 +020062#include <haproxy/obj_type-t.h>
Willy Tarreau3c2a7c22020-06-04 18:38:21 +020063#include <haproxy/peers-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020064#include <haproxy/peers.h>
Willy Tarreaud0ef4392020-06-02 09:38:52 +020065#include <haproxy/pool.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020066#include <haproxy/protocol.h>
Willy Tarreaua264d962020-06-04 22:29:18 +020067#include <haproxy/proxy.h>
Emeric Brunc9437992021-02-12 19:42:55 +010068#include <haproxy/resolvers.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>
Frédéric Lécaille884f2e92020-11-23 14:23:21 +010081#include <haproxy/xprt_quic.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020082
83
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +010084/* Used to chain configuration sections definitions. This list
85 * stores struct cfg_section
86 */
87struct list sections = LIST_HEAD_INIT(sections);
88
William Lallemand48b4bb42017-10-23 14:36:34 +020089struct list postparsers = LIST_HEAD_INIT(postparsers);
90
Eric Salama1b8dacc2021-03-16 15:12:17 +010091extern struct proxy *mworker_proxy;
92
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +010093char *cursection = NULL;
Willy Tarreauc8d5b952019-02-27 17:25:52 +010094int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +010095int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +010096char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +020097
Willy Tarreau5b2c3362008-07-09 19:39:06 +020098/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +010099struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200100 .list = LIST_HEAD_INIT(cfg_keywords.list)
101};
102
Willy Tarreau4b103022021-02-12 17:59:10 +0100103/* nested if/elif/else/endif block states */
104enum nested_cond_state {
105 NESTED_COND_IF_TAKE, // "if" with a true condition
106 NESTED_COND_IF_DROP, // "if" with a false condition
107 NESTED_COND_IF_SKIP, // "if" masked by an outer false condition
108
109 NESTED_COND_ELIF_TAKE, // "elif" with a true condition from a false one
110 NESTED_COND_ELIF_DROP, // "elif" with a false condition from a false one
111 NESTED_COND_ELIF_SKIP, // "elif" masked by an outer false condition or a previously taken if
112
113 NESTED_COND_ELSE_TAKE, // taken "else" after an if false condition
114 NESTED_COND_ELSE_DROP, // "else" masked by outer false condition or an if true condition
115};
116
117/* 100 levels of nested conditions should already be sufficient */
118#define MAXNESTEDCONDS 100
119
Willy Tarreaubaaee002006-06-26 02:48:02 +0200120/*
121 * converts <str> to a list of listeners which are dynamically allocated.
122 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
123 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
124 * - <port> is a numerical port from 1 to 65535 ;
125 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
126 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200127 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
128 * not NULL, it must be a valid pointer to either NULL or a freeable area that
129 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200130 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200131int 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 +0200132{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200133 struct protocol *proto;
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100134 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200135 int port, end;
136
137 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200138
Willy Tarreaubaaee002006-06-26 02:48:02 +0200139 while (next && *next) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200140 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100141 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200142
143 str = next;
144 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100145 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200146 *next++ = 0;
147 }
148
Willy Tarreau5fc93282020-09-16 18:25:03 +0200149 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Eric Salama1b8dacc2021-03-16 15:12:17 +0100150 (curproxy == global.cli_fe || curproxy == mworker_proxy) ? NULL : global.unix_bind.prefix,
Willy Tarreau32819932020-09-04 15:53:16 +0200151 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
Willy Tarreau5e1779a2020-09-16 16:28:08 +0200152 PA_O_SOCKET_FD | PA_O_STREAM | PA_O_XPRT);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100153 if (!ss2)
154 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100156 /* OK the address looks correct */
Frédéric Lécaille884f2e92020-11-23 14:23:21 +0100157
158#ifdef USE_QUIC
159 /* The transport layer automatically switches to QUIC when QUIC
160 * is selected, regardless of bind_conf settings. We then need
161 * to initialize QUIC params.
162 */
163 if (proto->sock_type == SOCK_DGRAM && proto->ctrl_type == SOCK_STREAM) {
164 bind_conf->xprt = xprt_get(XPRT_QUIC);
165 quic_transport_params_init(&bind_conf->quic_params, 1);
166 }
167#endif
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200168 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200169 memprintf(err, "%s for address '%s'.\n", *err, str);
170 goto fail;
171 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200172 } /* end while(next) */
173 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200174 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200175 fail:
176 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200177 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200178}
179
William Lallemand6e62fb62015-04-28 16:55:23 +0200180/*
Willy Tarreauaa333122020-09-16 15:13:04 +0200181 * converts <str> to a list of datagram-oriented listeners which are dynamically
182 * allocated.
183 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
184 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
185 * - <port> is a numerical port from 1 to 65535 ;
186 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
187 * This can be repeated as many times as necessary, separated by a coma.
188 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
189 * not NULL, it must be a valid pointer to either NULL or a freeable area that
190 * will be replaced with an error message.
191 */
192int str2receiver(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
193{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200194 struct protocol *proto;
Willy Tarreauaa333122020-09-16 15:13:04 +0200195 char *next, *dupstr;
196 int port, end;
197
198 next = dupstr = strdup(str);
199
200 while (next && *next) {
201 struct sockaddr_storage *ss2;
202 int fd = -1;
203
204 str = next;
205 /* 1) look for the end of the first address */
206 if ((next = strchr(str, ',')) != NULL) {
207 *next++ = 0;
208 }
209
Willy Tarreau5fc93282020-09-16 18:25:03 +0200210 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreau4975d142021-03-13 11:00:33 +0100211 curproxy == global.cli_fe ? NULL : global.unix_bind.prefix,
Willy Tarreauaa333122020-09-16 15:13:04 +0200212 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
213 PA_O_SOCKET_FD | PA_O_DGRAM | PA_O_XPRT);
214 if (!ss2)
215 goto fail;
216
217 /* OK the address looks correct */
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200218 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreauaa333122020-09-16 15:13:04 +0200219 memprintf(err, "%s for address '%s'.\n", *err, str);
220 goto fail;
221 }
222 } /* end while(next) */
223 free(dupstr);
224 return 1;
225 fail:
226 free(dupstr);
227 return 0;
228}
229
230/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100231 * Report an error in <msg> when there are too many arguments. This version is
232 * intended to be used by keyword parsers so that the message will be included
233 * into the general error message. The index is the current keyword in args.
234 * Return 0 if the number of argument is correct, otherwise build a message and
235 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
236 * message may also be null, it will simply not be produced (useful to check only).
237 * <msg> and <err_code> are only affected on error.
238 */
239int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
240{
241 int i;
242
243 if (!*args[index + maxarg + 1])
244 return 0;
245
246 if (msg) {
247 *msg = NULL;
248 memprintf(msg, "%s", args[0]);
249 for (i = 1; i <= index; i++)
250 memprintf(msg, "%s %s", *msg, args[i]);
251
252 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
253 }
254 if (err_code)
255 *err_code |= ERR_ALERT | ERR_FATAL;
256
257 return 1;
258}
259
260/*
261 * same as too_many_args_idx with a 0 index
262 */
263int too_many_args(int maxarg, char **args, char **msg, int *err_code)
264{
265 return too_many_args_idx(maxarg, 0, args, msg, err_code);
266}
267
268/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200269 * Report a fatal Alert when there is too much arguments
270 * The index is the current keyword in args
271 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
272 * Fill err_code with an ERR_ALERT and an ERR_FATAL
273 */
274int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
275{
276 char *kw = NULL;
277 int i;
278
279 if (!*args[index + maxarg + 1])
280 return 0;
281
282 memprintf(&kw, "%s", args[0]);
283 for (i = 1; i <= index; i++) {
284 memprintf(&kw, "%s %s", kw, args[i]);
285 }
286
Christopher Faulet767a84b2017-11-24 16:50:31 +0100287 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 +0200288 free(kw);
289 *err_code |= ERR_ALERT | ERR_FATAL;
290 return 1;
291}
292
293/*
294 * same as alertif_too_many_args_idx with a 0 index
295 */
296int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
297{
298 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
299}
300
Willy Tarreau61d18892009-03-31 10:49:21 +0200301
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100302/* Report it if a request ACL condition uses some keywords that are incompatible
303 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
304 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
305 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100306 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100307int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100308{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100309 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200310 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100313 return 0;
314
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100315 acl = acl_cond_conflicts(cond, where);
316 if (acl) {
317 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100318 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
319 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100320 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100321 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
322 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100323 return ERR_WARN;
324 }
325 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100326 return 0;
327
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100328 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100329 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
330 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100331 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100332 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
333 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100334 return ERR_WARN;
335}
336
Willy Tarreaue2afcc42021-03-12 09:08:04 +0100337/* try to find in <list> the word that looks closest to <word> by counting
338 * transitions between letters, digits and other characters. Will return the
339 * best matching word if found, otherwise NULL. An optional array of extra
340 * words to compare may be passed in <extra>, but it must then be terminated
341 * by a NULL entry. If unused it may be NULL.
342 */
343const char *cfg_find_best_match(const char *word, const struct list *list, int section, const char **extra)
344{
345 uint8_t word_sig[1024]; // 0..25=letter, 26=digit, 27=other, 28=begin, 29=end
346 uint8_t list_sig[1024];
347 const struct cfg_kw_list *kwl;
348 int index;
349 const char *best_ptr = NULL;
350 int dist, best_dist = INT_MAX;
351
352 make_word_fingerprint(word_sig, word);
353 list_for_each_entry(kwl, list, list) {
354 for (index = 0; kwl->kw[index].kw != NULL; index++) {
355 if (kwl->kw[index].section != section)
356 continue;
357
358 make_word_fingerprint(list_sig, kwl->kw[index].kw);
359 dist = word_fingerprint_distance(word_sig, list_sig);
360 if (dist < best_dist) {
361 best_dist = dist;
362 best_ptr = kwl->kw[index].kw;
363 }
364 }
365 }
366
367 while (extra && *extra) {
368 make_word_fingerprint(list_sig, *extra);
369 dist = word_fingerprint_distance(word_sig, list_sig);
370 if (dist < best_dist) {
371 best_dist = dist;
372 best_ptr = *extra;
373 }
374 extra++;
375 }
376
377 if (best_dist > 2 * strlen(word) || (best_ptr && best_dist > 2 * strlen(best_ptr)))
378 best_ptr = NULL;
379 return best_ptr;
380}
381
382
Christopher Faulet62519022017-10-16 15:49:32 +0200383/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100384 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100385 * two such numbers delimited by a dash ('-'). On success, it returns
386 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200387 *
388 * Note: this function can also be used to parse a thread number or a set of
389 * threads.
390 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100391int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200392{
Christopher Faulet26028f62017-11-22 15:01:51 +0100393 if (autoinc) {
394 *autoinc = 0;
395 if (strncmp(arg, "auto:", 5) == 0) {
396 arg += 5;
397 *autoinc = 1;
398 }
399 }
400
Christopher Faulet62519022017-10-16 15:49:32 +0200401 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100402 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200403 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100404 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200405 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100406 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200407 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100408 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100409 unsigned int low, high;
410
Christopher Faulet18cca782019-02-07 16:29:41 +0100411 for (p = arg; *p; p++) {
412 if (*p == '-' && !dash)
413 dash = p;
Willy Tarreau90807112020-02-25 08:16:33 +0100414 else if (!isdigit((unsigned char)*p)) {
Christopher Faulet18cca782019-02-07 16:29:41 +0100415 memprintf(err, "'%s' is not a valid number/range.", arg);
416 return -1;
417 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100418 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100419
420 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100421 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100422 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100423
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100424 if (high < low) {
425 unsigned int swap = low;
426 low = high;
427 high = swap;
428 }
429
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100430 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100431 memprintf(err, "'%s' is not a valid number/range."
432 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100433 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100434 return 1;
435 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100436
437 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100438 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200439 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100440 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100441
Christopher Faulet5ab51772017-11-22 11:21:58 +0100442 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200443}
444
David Carlier7e351ee2017-12-01 09:14:02 +0000445#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200446/* Parse cpu sets. Each CPU set is either a unique number between 0 and
447 * <LONGBITS> or a range with two such numbers delimited by a dash
448 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
449 * returns 0. otherwise it returns 1 with an error message in <err>.
450 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100451unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200452{
453 int cur_arg = 0;
454
455 *cpu_set = 0;
456 while (*args[cur_arg]) {
457 char *dash;
458 unsigned int low, high;
459
Willy Tarreau90807112020-02-25 08:16:33 +0100460 if (!isdigit((unsigned char)*args[cur_arg])) {
Christopher Faulet62519022017-10-16 15:49:32 +0200461 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
462 return -1;
463 }
464
465 low = high = str2uic(args[cur_arg]);
466 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100467 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200468
469 if (high < low) {
470 unsigned int swap = low;
471 low = high;
472 high = swap;
473 }
474
475 if (high >= LONGBITS) {
476 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
477 return 1;
478 }
479
480 while (low <= high)
481 *cpu_set |= 1UL << low++;
482
483 cur_arg++;
484 }
485 return 0;
486}
David Carlier7e351ee2017-12-01 09:14:02 +0000487#endif
488
Frédéric Lécaille18251032019-01-11 11:07:15 +0100489/* Allocate and initialize the frontend of a "peers" section found in
490 * file <file> at line <linenum> with <id> as ID.
491 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200492 * Note that this function may be called from "default-server"
493 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100494 */
495static int init_peers_frontend(const char *file, int linenum,
496 const char *id, struct peers *peers)
497{
498 struct proxy *p;
499
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200500 if (peers->peers_fe) {
501 p = peers->peers_fe;
502 goto out;
503 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100504
Frédéric Lécaille18251032019-01-11 11:07:15 +0100505 p = calloc(1, sizeof *p);
506 if (!p) {
507 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
508 return -1;
509 }
510
511 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200512 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100513 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200514 /* Finally store this frontend. */
515 peers->peers_fe = p;
516
517 out:
518 if (id && !p->id)
519 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200520 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100521 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100522 if (linenum != -1)
523 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100524
525 return 0;
526}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100527
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100528/* Only change ->file, ->line and ->arg struct bind_conf member values
529 * if already present.
530 */
531static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
532 const char *file, int line,
533 const char *arg, struct xprt_ops *xprt)
534{
535 struct bind_conf *bind_conf;
536
537 if (!LIST_ISEMPTY(&p->conf.bind)) {
538 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
539 free(bind_conf->file);
540 bind_conf->file = strdup(file);
541 bind_conf->line = line;
542 if (arg) {
543 free(bind_conf->arg);
544 bind_conf->arg = strdup(arg);
545 }
546 }
547 else {
548 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
549 }
550
551 return bind_conf;
552}
553
554/*
555 * Allocate a new struct peer parsed at line <linenum> in file <file>
556 * to be added to <peers>.
557 * Returns the new allocated structure if succeeded, NULL if not.
558 */
559static struct peer *cfg_peers_add_peer(struct peers *peers,
560 const char *file, int linenum,
561 const char *id, int local)
562{
563 struct peer *p;
564
565 p = calloc(1, sizeof *p);
566 if (!p) {
567 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
568 return NULL;
569 }
570
571 /* the peers are linked backwards first */
572 peers->count++;
573 p->next = peers->remote;
574 peers->remote = p;
575 p->conf.file = strdup(file);
576 p->conf.line = linenum;
577 p->last_change = now.tv_sec;
578 p->xprt = xprt_get(XPRT_RAW);
579 p->sock_init_arg = NULL;
580 HA_SPIN_INIT(&p->lock);
581 if (id)
582 p->id = strdup(id);
583 if (local) {
584 p->local = 1;
585 peers->local = p;
586 }
587
588 return p;
589}
590
Willy Tarreaubaaee002006-06-26 02:48:02 +0200591/*
William Lallemand51097192015-04-14 16:35:22 +0200592 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200593 * Returns the error code, 0 if OK, or any combination of :
594 * - ERR_ABORT: must abort ASAP
595 * - ERR_FATAL: we can continue parsing but not start the service
596 * - ERR_WARN: a warning has been emitted
597 * - ERR_ALERT: an alert has been emitted
598 * Only the two first ones can stop processing, the two others are just
599 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200600 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200601int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
602{
603 static struct peers *curpeers = NULL;
604 struct peer *newpeer = NULL;
605 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200606 struct bind_conf *bind_conf;
607 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200608 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100609 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100610 static int bind_line, peer_line;
611
612 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
613 int cur_arg;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100614 struct bind_conf *bind_conf;
615 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200616
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100617 cur_arg = 1;
618
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200619 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
620 err_code |= ERR_ALERT | ERR_ABORT;
621 goto out;
622 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100623
624 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
625 NULL, xprt_get(XPRT_RAW));
626 if (*args[0] == 'b') {
627 struct listener *l;
628
629 if (peer_line) {
630 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
631 err_code |= ERR_ALERT | ERR_FATAL;
632 goto out;
633 }
634
635 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
636 if (errmsg && *errmsg) {
637 indent_msg(&errmsg, 2);
638 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
639 }
640 else
641 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
642 file, linenum, args[0], args[1], args[2]);
643 err_code |= ERR_FATAL;
644 goto out;
645 }
646 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
647 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100648 l->accept = session_accept_fd;
649 l->analysers |= curpeers->peers_fe->fe_req_ana;
650 l->default_target = curpeers->peers_fe->default_target;
651 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100652 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100653
654 bind_line = 1;
655 if (cfg_peers->local) {
656 newpeer = cfg_peers->local;
657 }
658 else {
659 /* This peer is local.
660 * Note that we do not set the peer ID. This latter is initialized
661 * when parsing "peer" or "server" line.
662 */
663 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
664 if (!newpeer) {
665 err_code |= ERR_ALERT | ERR_ABORT;
666 goto out;
667 }
668 }
Willy Tarreau37159062020-08-27 07:48:42 +0200669 newpeer->addr = l->rx.addr;
Willy Tarreau5fc93282020-09-16 18:25:03 +0200670 newpeer->proto = l->rx.proto;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100671 cur_arg++;
672 }
673
674 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
675 int ret;
676
677 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
678 err_code |= ret;
679 if (ret) {
680 if (errmsg && *errmsg) {
681 indent_msg(&errmsg, 2);
682 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
683 }
684 else
685 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
686 file, linenum, args[cur_arg]);
687 if (ret & ERR_FATAL)
688 goto out;
689 }
690 cur_arg += 1 + kw->skip;
691 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100692 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +0100693 const char *best = bind_find_best_kw(args[cur_arg]);
694 if (best)
695 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
696 file, linenum, args[cur_arg], cursection, best);
697 else
698 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
699 file, linenum, args[cur_arg], cursection);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100700 err_code |= ERR_ALERT | ERR_FATAL;
701 goto out;
702 }
703 }
704 else if (strcmp(args[0], "default-server") == 0) {
705 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
706 err_code |= ERR_ALERT | ERR_ABORT;
707 goto out;
708 }
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100709 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL,
710 SRV_PARSE_DEFAULT_SERVER|SRV_PARSE_IN_PEER_SECTION|SRV_PARSE_INITIAL_RESOLVE);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200711 }
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100712 else if (strcmp(args[0], "log") == 0) {
713 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
714 err_code |= ERR_ALERT | ERR_ABORT;
715 goto out;
716 }
717 if (!parse_logsrv(args, &curpeers->peers_fe->logsrvs, (kwm == KWM_NO), &errmsg)) {
718 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
719 err_code |= ERR_ALERT | ERR_FATAL;
720 goto out;
721 }
722 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200723 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100724 /* Initialize these static variables when entering a new "peers" section*/
725 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100726 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100727 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100728 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100729 goto out;
730 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200731
William Lallemand6e62fb62015-04-28 16:55:23 +0200732 if (alertif_too_many_args(1, file, linenum, args, &err_code))
733 goto out;
734
Emeric Brun32da3c42010-09-23 18:39:19 +0200735 err = invalid_char(args[1]);
736 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100737 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
738 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100739 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100740 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200741 }
742
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200743 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200744 /*
745 * If there are two proxies with the same name only following
746 * combinations are allowed:
747 */
748 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100749 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
750 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200751 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200752 }
753 }
754
Vincent Bernat02779b62016-04-03 13:48:43 +0200755 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100756 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200757 err_code |= ERR_ALERT | ERR_ABORT;
758 goto out;
759 }
760
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200761 curpeers->next = cfg_peers;
762 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200763 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200764 curpeers->conf.line = linenum;
765 curpeers->last_change = now.tv_sec;
766 curpeers->id = strdup(args[1]);
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200767 curpeers->disabled = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200768 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200769 else if (strcmp(args[0], "peer") == 0 ||
770 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100771 int local_peer, peer;
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100772 int parse_addr = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200773
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100774 peer = *args[0] == 'p';
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100775 local_peer = strcmp(args[1], localpeer) == 0;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100776 /* The local peer may have already partially been parsed on a "bind" line. */
777 if (*args[0] == 'p') {
778 if (bind_line) {
779 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
780 err_code |= ERR_ALERT | ERR_FATAL;
781 goto out;
782 }
783 peer_line = 1;
784 }
785 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
786 /* The local peer has already been initialized on a "bind" line.
787 * Let's use it and store its ID.
788 */
789 newpeer = cfg_peers->local;
790 newpeer->id = strdup(localpeer);
791 }
792 else {
793 if (local_peer && cfg_peers->local) {
794 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
795 file, linenum, args[0], args[1],
796 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
797 err_code |= ERR_FATAL;
798 goto out;
799 }
800 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
801 if (!newpeer) {
802 err_code |= ERR_ALERT | ERR_ABORT;
803 goto out;
804 }
805 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200806
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100807 /* Line number and peer ID are updated only if this peer is the local one. */
808 if (init_peers_frontend(file,
809 newpeer->local ? linenum: -1,
810 newpeer->local ? newpeer->id : NULL,
811 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200812 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100813 goto out;
814 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100815
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100816 /* This initializes curpeer->peers->peers_fe->srv.
817 * The server address is parsed only if we are parsing a "peer" line,
818 * or if we are parsing a "server" line and the current peer is not the local one.
819 */
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100820 parse_addr = (peer || !local_peer) ? SRV_PARSE_PARSE_ADDR : 0;
821 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL,
822 SRV_PARSE_IN_PEER_SECTION|parse_addr|SRV_PARSE_INITIAL_RESOLVE);
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200823 if (!curpeers->peers_fe->srv) {
824 /* Remove the newly allocated peer. */
825 if (newpeer != curpeers->local) {
826 struct peer *p;
827
828 p = curpeers->remote;
829 curpeers->remote = curpeers->remote->next;
830 free(p->id);
831 free(p);
832 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200833 goto out;
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200834 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200835
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100836 /* If the peer address has just been parsed, let's copy it to <newpeer>
837 * and initializes ->proto.
838 */
839 if (peer || !local_peer) {
840 newpeer->addr = curpeers->peers_fe->srv->addr;
841 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
842 }
843
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100844 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200845 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100846 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200847
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100848 newpeer->srv = curpeers->peers_fe->srv;
849 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200850 goto out;
851
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100852 /* The lines above are reserved to "peer" lines. */
853 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200854 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200855
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100856 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100857
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100858 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
859 if (errmsg && *errmsg) {
860 indent_msg(&errmsg, 2);
861 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100862 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100863 else
864 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
865 file, linenum, args[0], args[1], args[2]);
866 err_code |= ERR_FATAL;
867 goto out;
868 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100869
870 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
871 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100872 l->accept = session_accept_fd;
873 l->analysers |= curpeers->peers_fe->fe_req_ana;
874 l->default_target = curpeers->peers_fe->default_target;
875 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100876 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100877 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100878 else if (strcmp(args[0], "table") == 0) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100879 struct stktable *t, *other;
880 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100881 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100882
883 /* Line number and peer ID are updated only if this peer is the local one. */
884 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
885 err_code |= ERR_ALERT | ERR_ABORT;
886 goto out;
887 }
888
889 other = stktable_find_by_name(args[1]);
890 if (other) {
891 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
892 file, linenum, args[1],
893 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
894 other->proxy ? other->id : other->peers.p->id,
895 other->conf.file, other->conf.line);
896 err_code |= ERR_ALERT | ERR_FATAL;
897 goto out;
898 }
899
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100900 /* Build the stick-table name, concatenating the "peers" section name
901 * followed by a '/' character and the table name argument.
902 */
903 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100904 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100905 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
906 file, linenum, args[0], args[1]);
907 err_code |= ERR_ALERT | ERR_FATAL;
908 goto out;
909 }
910
911 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100912 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100913 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
914 file, linenum, args[0], args[1]);
915 err_code |= ERR_ALERT | ERR_FATAL;
916 goto out;
917 }
918
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100919 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100920 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100921 if (!t || !id) {
922 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
923 file, linenum, args[0], args[1]);
Eric Salama1aab9112020-09-18 11:55:17 +0200924 free(t);
925 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100926 err_code |= ERR_ALERT | ERR_FATAL;
927 goto out;
928 }
929
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100930 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Eric Salama1aab9112020-09-18 11:55:17 +0200931 if (err_code & ERR_FATAL) {
932 free(t);
933 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100934 goto out;
Eric Salama1aab9112020-09-18 11:55:17 +0200935 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100936
937 stktable_store_name(t);
938 t->next = stktables_list;
939 stktables_list = t;
940 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100941 else if (strcmp(args[0], "disabled") == 0) { /* disables this peers section */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200942 curpeers->disabled = 1;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200943 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100944 else if (strcmp(args[0], "enabled") == 0) { /* enables this peers section (used to revert a disabled default) */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200945 curpeers->disabled = 0;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200946 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200947 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100948 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200949 err_code |= ERR_ALERT | ERR_FATAL;
950 goto out;
951 }
952
953out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100954 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200955 return err_code;
956}
957
Baptiste Assmann325137d2015-04-13 23:40:55 +0200958/*
William Lallemand51097192015-04-14 16:35:22 +0200959 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +0900960 * Returns the error code, 0 if OK, or any combination of :
961 * - ERR_ABORT: must abort ASAP
962 * - ERR_FATAL: we can continue parsing but not start the service
963 * - ERR_WARN: a warning has been emitted
964 * - ERR_ALERT: an alert has been emitted
965 * Only the two first ones can stop processing, the two others are just
966 * indicators.
967 */
968int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
969{
970 static struct mailers *curmailers = NULL;
971 struct mailer *newmailer = NULL;
972 const char *err;
973 int err_code = 0;
974 char *errmsg = NULL;
975
976 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
977 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100978 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +0900979 err_code |= ERR_ALERT | ERR_ABORT;
980 goto out;
981 }
982
983 err = invalid_char(args[1]);
984 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100985 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
986 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +0900987 err_code |= ERR_ALERT | ERR_ABORT;
988 goto out;
989 }
990
991 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
992 /*
993 * If there are two proxies with the same name only following
994 * combinations are allowed:
995 */
996 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100997 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
998 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200999 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001000 }
1001 }
1002
Vincent Bernat02779b62016-04-03 13:48:43 +02001003 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001004 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001005 err_code |= ERR_ALERT | ERR_ABORT;
1006 goto out;
1007 }
1008
1009 curmailers->next = mailers;
1010 mailers = curmailers;
1011 curmailers->conf.file = strdup(file);
1012 curmailers->conf.line = linenum;
1013 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001014 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1015 * But need enough time so that timeouts don't occur
1016 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001017 }
1018 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1019 struct sockaddr_storage *sk;
1020 int port1, port2;
1021 struct protocol *proto;
1022
1023 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001024 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1025 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001026 err_code |= ERR_ALERT | ERR_FATAL;
1027 goto out;
1028 }
1029
1030 err = invalid_char(args[1]);
1031 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001032 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1033 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001034 err_code |= ERR_ALERT | ERR_FATAL;
1035 goto out;
1036 }
1037
Vincent Bernat02779b62016-04-03 13:48:43 +02001038 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001039 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001040 err_code |= ERR_ALERT | ERR_ABORT;
1041 goto out;
1042 }
1043
1044 /* the mailers are linked backwards first */
1045 curmailers->count++;
1046 newmailer->next = curmailers->mailer_list;
1047 curmailers->mailer_list = newmailer;
1048 newmailer->mailers = curmailers;
1049 newmailer->conf.file = strdup(file);
1050 newmailer->conf.line = linenum;
1051
1052 newmailer->id = strdup(args[1]);
1053
Willy Tarreau5fc93282020-09-16 18:25:03 +02001054 sk = str2sa_range(args[2], NULL, &port1, &port2, NULL, &proto,
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001055 &errmsg, NULL, NULL,
1056 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 +09001057 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001058 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001059 err_code |= ERR_ALERT | ERR_FATAL;
1060 goto out;
1061 }
1062
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001063 if (proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001064 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1065 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001066 err_code |= ERR_ALERT | ERR_FATAL;
1067 goto out;
1068 }
1069
Simon Horman0d16a402015-01-30 11:22:58 +09001070 newmailer->addr = *sk;
1071 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001072 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001073 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001074 }
1075 else if (strcmp(args[0], "timeout") == 0) {
1076 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001077 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1078 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001079 err_code |= ERR_ALERT | ERR_FATAL;
1080 goto out;
1081 }
1082 else if (strcmp(args[1], "mail") == 0) {
1083 const char *res;
1084 unsigned int timeout_mail;
1085 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001086 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1087 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001088 err_code |= ERR_ALERT | ERR_FATAL;
1089 goto out;
1090 }
1091 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001092 if (res == PARSE_TIME_OVER) {
1093 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1094 file, linenum, args[2], args[0], args[1]);
1095 err_code |= ERR_ALERT | ERR_FATAL;
1096 goto out;
1097 }
1098 else if (res == PARSE_TIME_UNDER) {
1099 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1100 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001101 err_code |= ERR_ALERT | ERR_FATAL;
1102 goto out;
1103 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001104 else if (res) {
1105 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1106 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001107 err_code |= ERR_ALERT | ERR_FATAL;
1108 goto out;
1109 }
1110 curmailers->timeout.mail = timeout_mail;
1111 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001112 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001113 file, linenum, args[0], args[1]);
1114 err_code |= ERR_ALERT | ERR_FATAL;
1115 goto out;
1116 }
1117 }
Simon Horman0d16a402015-01-30 11:22:58 +09001118 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001119 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001120 err_code |= ERR_ALERT | ERR_FATAL;
1121 goto out;
1122 }
1123
1124out:
1125 free(errmsg);
1126 return err_code;
1127}
1128
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001129void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001130{
Willy Tarreau61cfdf42021-02-20 10:46:51 +01001131 ha_free(&p->email_alert.mailers.name);
1132 ha_free(&p->email_alert.from);
1133 ha_free(&p->email_alert.to);
1134 ha_free(&p->email_alert.myhostname);
Simon Horman9dc49962015-01-30 11:22:59 +09001135}
1136
Willy Tarreaubaaee002006-06-26 02:48:02 +02001137
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001138int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001139cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1140{
Willy Tarreaue5733232019-05-22 19:24:06 +02001141#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001142 const char *err;
1143 const char *item = args[0];
1144
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001145 if (strcmp(item, "namespace_list") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001146 return 0;
1147 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001148 else if (strcmp(item, "namespace") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001149 size_t idx = 1;
1150 const char *current;
1151 while (*(current = args[idx++])) {
1152 err = invalid_char(current);
1153 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001154 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1155 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001156 return ERR_ALERT | ERR_FATAL;
1157 }
1158
1159 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001160 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1161 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001162 return ERR_ALERT | ERR_FATAL;
1163 }
1164 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001165 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1166 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001167 return ERR_ALERT | ERR_FATAL;
1168 }
1169 }
1170 }
1171
1172 return 0;
1173#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001174 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1175 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001176 return ERR_ALERT | ERR_FATAL;
1177#endif
1178}
1179
1180int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001181cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1182{
1183
1184 int err_code = 0;
1185 const char *err;
1186
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001187 if (strcmp(args[0], "userlist") == 0) { /* new userlist */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001188 struct userlist *newul;
1189
1190 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001191 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1192 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001193 err_code |= ERR_ALERT | ERR_FATAL;
1194 goto out;
1195 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001196 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1197 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001198
1199 err = invalid_char(args[1]);
1200 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001201 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1202 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001203 err_code |= ERR_ALERT | ERR_FATAL;
1204 goto out;
1205 }
1206
1207 for (newul = userlist; newul; newul = newul->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001208 if (strcmp(newul->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001209 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1210 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001211 err_code |= ERR_WARN;
1212 goto out;
1213 }
1214
Vincent Bernat02779b62016-04-03 13:48:43 +02001215 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001216 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001217 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001218 err_code |= ERR_ALERT | ERR_ABORT;
1219 goto out;
1220 }
1221
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001222 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001223 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001224 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001225 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001226 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001227 goto out;
1228 }
1229
1230 newul->next = userlist;
1231 userlist = newul;
1232
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001233 } else if (strcmp(args[0], "group") == 0) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001234 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001235 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001236 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001237
1238 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001239 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1240 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001241 err_code |= ERR_ALERT | ERR_FATAL;
1242 goto out;
1243 }
1244
1245 err = invalid_char(args[1]);
1246 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001247 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1248 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001249 err_code |= ERR_ALERT | ERR_FATAL;
1250 goto out;
1251 }
1252
William Lallemand4ac9f542015-05-28 18:03:51 +02001253 if (!userlist)
1254 goto out;
1255
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001256 for (ag = userlist->groups; ag; ag = ag->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001257 if (strcmp(ag->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001258 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1259 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001260 err_code |= ERR_ALERT;
1261 goto out;
1262 }
1263
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001264 ag = calloc(1, sizeof(*ag));
1265 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001266 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001267 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001268 goto out;
1269 }
1270
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001271 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001272 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001273 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001274 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001275 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001276 goto out;
1277 }
1278
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001279 cur_arg = 2;
1280
1281 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001282 if (strcmp(args[cur_arg], "users") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001283 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001284 cur_arg += 2;
1285 continue;
1286 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001287 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1288 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001289 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001290 free(ag->groupusers);
1291 free(ag->name);
1292 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001293 goto out;
1294 }
1295 }
1296
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001297 ag->next = userlist->groups;
1298 userlist->groups = ag;
1299
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001300 } else if (strcmp(args[0], "user") == 0) { /* new user */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001301 struct auth_users *newuser;
1302 int cur_arg;
1303
1304 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001305 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1306 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001307 err_code |= ERR_ALERT | ERR_FATAL;
1308 goto out;
1309 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001310 if (!userlist)
1311 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001312
1313 for (newuser = userlist->users; newuser; newuser = newuser->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001314 if (strcmp(newuser->user, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001315 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1316 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001317 err_code |= ERR_ALERT;
1318 goto out;
1319 }
1320
Vincent Bernat02779b62016-04-03 13:48:43 +02001321 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001322 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001323 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001324 err_code |= ERR_ALERT | ERR_ABORT;
1325 goto out;
1326 }
1327
1328 newuser->user = strdup(args[1]);
1329
1330 newuser->next = userlist->users;
1331 userlist->users = newuser;
1332
1333 cur_arg = 2;
1334
1335 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001336 if (strcmp(args[cur_arg], "password") == 0) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001337#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001338 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001339 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1340 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001341 err_code |= ERR_ALERT | ERR_FATAL;
1342 goto out;
1343 }
1344#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001345 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1346 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001347 err_code |= ERR_ALERT;
1348#endif
1349 newuser->pass = strdup(args[cur_arg + 1]);
1350 cur_arg += 2;
1351 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001352 } else if (strcmp(args[cur_arg], "insecure-password") == 0) {
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001353 newuser->pass = strdup(args[cur_arg + 1]);
1354 newuser->flags |= AU_O_INSECURE;
1355 cur_arg += 2;
1356 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001357 } else if (strcmp(args[cur_arg], "groups") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001358 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001359 cur_arg += 2;
1360 continue;
1361 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001362 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1363 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001364 err_code |= ERR_ALERT | ERR_FATAL;
1365 goto out;
1366 }
1367 }
1368 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001369 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 +01001370 err_code |= ERR_ALERT | ERR_FATAL;
1371 }
1372
1373out:
1374 return err_code;
1375}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001376
Christopher Faulet79bdef32016-11-04 22:36:15 +01001377int
1378cfg_parse_scope(const char *file, int linenum, char *line)
1379{
1380 char *beg, *end, *scope = NULL;
1381 int err_code = 0;
1382 const char *err;
1383
1384 beg = line + 1;
1385 end = strchr(beg, ']');
1386
1387 /* Detect end of scope declaration */
1388 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001389 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1390 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001391 err_code |= ERR_ALERT | ERR_FATAL;
1392 goto out;
1393 }
1394
1395 /* Get scope name and check its validity */
1396 scope = my_strndup(beg, end-beg);
1397 err = invalid_char(scope);
1398 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001399 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1400 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001401 err_code |= ERR_ALERT | ERR_ABORT;
1402 goto out;
1403 }
1404
1405 /* Be sure to have a scope declaration alone on its line */
1406 line = end+1;
1407 while (isspace((unsigned char)*line))
1408 line++;
1409 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001410 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1411 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001412 err_code |= ERR_ALERT | ERR_ABORT;
1413 goto out;
1414 }
1415
1416 /* We have a valid scope declaration, save it */
1417 free(cfg_scope);
1418 cfg_scope = scope;
1419 scope = NULL;
1420
1421 out:
1422 free(scope);
1423 return err_code;
1424}
1425
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001426int
1427cfg_parse_track_sc_num(unsigned int *track_sc_num,
1428 const char *arg, const char *end, char **errmsg)
1429{
1430 const char *p;
1431 unsigned int num;
1432
1433 p = arg;
1434 num = read_uint64(&arg, end);
1435
1436 if (arg != end) {
1437 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1438 return -1;
1439 }
1440
1441 if (num >= MAX_SESS_STKCTR) {
1442 memprintf(errmsg, "%u track-sc number exceeding "
1443 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1444 return -1;
1445 }
1446
1447 *track_sc_num = num;
1448 return 0;
1449}
1450
Willy Tarreaubaaee002006-06-26 02:48:02 +02001451/*
1452 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001453 * Returns the error code, 0 if OK, or any combination of :
1454 * - ERR_ABORT: must abort ASAP
1455 * - ERR_FATAL: we can continue parsing but not start the service
1456 * - ERR_WARN: a warning has been emitted
1457 * - ERR_ALERT: an alert has been emitted
1458 * Only the two first ones can stop processing, the two others are just
1459 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001460 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001461int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001462{
William Lallemand64e84512015-05-12 14:25:37 +02001463 char *thisline;
1464 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001465 FILE *f;
1466 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001467 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001468 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001469 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001470 int readbytes = 0;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001471 char *outline = NULL;
1472 size_t outlen = 0;
1473 size_t outlinesize = 0;
Willy Tarreau32234e72020-06-16 17:14:33 +02001474 int fatal = 0;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001475 int missing_lf = -1;
Willy Tarreau4b103022021-02-12 17:59:10 +01001476 int nested_cond_lvl = 0;
1477 enum nested_cond_state nested_conds[MAXNESTEDCONDS];
William Lallemand64e84512015-05-12 14:25:37 +02001478
1479 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001480 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001481 return -1;
1482 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001483
David Carlier97880bb2016-04-08 10:35:26 +01001484 if ((f=fopen(file,"r")) == NULL) {
1485 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001486 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001487 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001488
William Lallemandb2f07452015-05-12 14:27:13 +02001489next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001490 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001491 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001492 char *end;
1493 char *args[MAX_LINE_ARGS + 1];
1494 char *line = thisline;
1495
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001496 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001497 ha_alert("parsing [%s:%d]: Stray NUL character at position %d.\n",
1498 file, linenum, (missing_lf + 1));
1499 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001500 missing_lf = -1;
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001501 break;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001502 }
1503
Willy Tarreaubaaee002006-06-26 02:48:02 +02001504 linenum++;
1505
Willy Tarreau32234e72020-06-16 17:14:33 +02001506 if (fatal >= 50) {
1507 ha_alert("parsing [%s:%d]: too many fatal errors (%d), stopping now.\n", file, linenum, fatal);
1508 break;
1509 }
1510
Willy Tarreaubaaee002006-06-26 02:48:02 +02001511 end = line + strlen(line);
1512
William Lallemand64e84512015-05-12 14:25:37 +02001513 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001514 /* Check if we reached the limit and the last char is not \n.
1515 * Watch out for the last line without the terminating '\n'!
1516 */
William Lallemand64e84512015-05-12 14:25:37 +02001517 char *newline;
1518 int newlinesize = linesize * 2;
1519
1520 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1521 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001522 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1523 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001524 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001525 fatal++;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001526 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001527 continue;
1528 }
1529
1530 readbytes = linesize - 1;
1531 linesize = newlinesize;
1532 thisline = newline;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001533 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001534 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001535 }
1536
William Lallemand64e84512015-05-12 14:25:37 +02001537 readbytes = 0;
1538
Willy Tarreau08488f62020-06-26 17:24:54 +02001539 if (end > line && *(end-1) == '\n') {
Tim Duesterhus70f58992020-06-22 22:57:44 +02001540 /* kill trailing LF */
1541 *(end - 1) = 0;
1542 }
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001543 else {
1544 /* mark this line as truncated */
1545 missing_lf = end - line;
1546 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001547
Willy Tarreaubaaee002006-06-26 02:48:02 +02001548 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001549 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001550 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001551
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001552 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001553 err_code |= cfg_parse_scope(file, linenum, line);
1554 goto next_line;
1555 }
1556
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001557 while (1) {
1558 uint32_t err;
1559 char *errptr;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001560
Willy Tarreau61dd44b2020-06-25 07:35:42 +02001561 arg = MAX_LINE_ARGS + 1;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001562 outlen = outlinesize;
1563 err = parse_line(line, outline, &outlen, args, &arg,
1564 PARSE_OPT_ENV | PARSE_OPT_DQUOTE | PARSE_OPT_SQUOTE |
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001565 PARSE_OPT_BKSLASH | PARSE_OPT_SHARP | PARSE_OPT_WORD_EXPAND,
1566 &errptr);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001567
1568 if (err & PARSE_ERR_QUOTE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001569 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1570
1571 ha_alert("parsing [%s:%d]: unmatched quote at position %d:\n"
1572 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001573 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001574 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001575 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001576 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001577
1578 if (err & PARSE_ERR_BRACE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001579 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1580
1581 ha_alert("parsing [%s:%d]: unmatched brace in environment variable name at position %d:\n"
1582 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001583 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001584 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001585 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001586 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001587
1588 if (err & PARSE_ERR_VARNAME) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001589 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1590
1591 ha_alert("parsing [%s:%d]: forbidden first char in environment variable name at position %d:\n"
1592 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001593 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001594 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001595 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001596 }
William Lallemandb2f07452015-05-12 14:27:13 +02001597
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001598 if (err & PARSE_ERR_HEX) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001599 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1600
1601 ha_alert("parsing [%s:%d]: truncated or invalid hexadecimal sequence at position %d:\n"
1602 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001603 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus9f658a52020-06-16 18:14:21 +02001604 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001605 goto next_line;
1606 }
William Lallemandb2f07452015-05-12 14:27:13 +02001607
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001608 if (err & PARSE_ERR_WRONG_EXPAND) {
1609 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1610
1611 ha_alert("parsing [%s:%d]: truncated or invalid word expansion sequence at position %d:\n"
1612 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
1613 err_code |= ERR_ALERT | ERR_FATAL;
1614 fatal++;
1615 goto next_line;
1616 }
1617
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001618 if (err & (PARSE_ERR_TOOLARGE|PARSE_ERR_OVERLAP)) {
1619 outlinesize = (outlen + 1023) & -1024;
Ilya Shipitsin76837bc2021-01-07 22:45:13 +05001620 outline = my_realloc2(outline, outlinesize);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001621 if (outline == NULL) {
1622 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1623 file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001624 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001625 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001626 goto next_line;
William Lallemandb2f07452015-05-12 14:27:13 +02001627 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001628 /* try again */
1629 continue;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001630 }
Willy Tarreau07d47062020-06-25 07:41:22 +02001631
1632 if (err & PARSE_ERR_TOOMANY) {
1633 /* only check this *after* being sure the output is allocated */
1634 ha_alert("parsing [%s:%d]: too many words, truncating after word %d, position %ld: <%s>.\n",
1635 file, linenum, MAX_LINE_ARGS, (long)(args[MAX_LINE_ARGS-1] - outline + 1), args[MAX_LINE_ARGS-1]);
1636 err_code |= ERR_ALERT | ERR_FATAL;
1637 fatal++;
1638 goto next_line;
1639 }
1640
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001641 /* everything's OK */
1642 break;
William Lallemandf9873ba2015-05-05 17:37:14 +02001643 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001644
1645 /* empty line */
1646 if (!**args)
1647 continue;
1648
Willy Tarreau4b103022021-02-12 17:59:10 +01001649 /* check for config macros */
1650 if (*args[0] == '.') {
1651 if (strcmp(args[0], ".if") == 0) {
1652 nested_cond_lvl++;
1653 if (nested_cond_lvl >= MAXNESTEDCONDS) {
1654 ha_alert("parsing [%s:%d]: too many nested '.if', max is %d.\n", file, linenum, MAXNESTEDCONDS);
1655 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1656 goto err;
1657 }
1658
1659 if (nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_DROP ||
1660 nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_SKIP ||
1661 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_DROP ||
1662 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_SKIP ||
1663 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELSE_DROP) {
1664 nested_conds[nested_cond_lvl] = NESTED_COND_IF_SKIP;
1665 } else if (!*args[1] || *args[1] == '0') {
1666 /* empty = false */
1667 nested_conds[nested_cond_lvl] = NESTED_COND_IF_DROP;
1668 } else if (atoi(args[1]) > 0) {
1669 /* true */
1670 nested_conds[nested_cond_lvl] = NESTED_COND_IF_TAKE;
1671 } else {
1672 ha_alert("parsing [%s:%d]: unparsable conditional expression '%s'.\n", file, linenum, args[1]);
1673 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1674 goto err;
1675 }
1676 goto next_line;
1677 }
1678 else if (strcmp(args[0], ".elif") == 0) {
1679 if (!nested_cond_lvl) {
1680 ha_alert("parsing [%s:%d]: lone '.elif' with no matching '.if'.\n", file, linenum);
1681 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1682 goto err;
1683 }
1684
1685 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
1686 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
1687 ha_alert("parsing [%s:%d]: '.elif' after '.else' is not permitted.\n", file, linenum);
1688 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1689 goto err;
1690 }
1691
1692 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
1693 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1694 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
1695 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_SKIP;
1696 } else if (!*args[1] || *args[1] == '0') {
1697 /* empty = false */
1698 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_DROP;
1699 } else if (atoi(args[1]) > 0) {
1700 /* true */
1701 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_TAKE;
1702 } else {
1703 ha_alert("parsing [%s:%d]: unparsable conditional expression '%s'.\n", file, linenum, args[1]);
1704 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1705 goto err;
1706 }
1707 goto next_line;
1708 }
1709 else if (strcmp(args[0], ".else") == 0) {
1710 if (!nested_cond_lvl) {
1711 ha_alert("parsing [%s:%d]: lone '.else' with no matching '.if'.\n", file, linenum);
1712 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1713 goto err;
1714 }
1715
1716 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
1717 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
1718 ha_alert("parsing [%s:%d]: '.else' after '.else' is not permitted.\n", file, linenum);
1719 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1720 goto err;
1721 }
1722
1723 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
1724 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1725 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_TAKE ||
1726 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
1727 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_DROP;
1728 } else {
1729 /* otherwise we take the "else" */
1730 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_TAKE;
1731 }
1732 goto next_line;
1733 }
1734 else if (strcmp(args[0], ".endif") == 0) {
1735 if (!nested_cond_lvl) {
1736 ha_alert("parsing [%s:%d]: lone '.endif' with no matching '.if'.\n", file, linenum);
1737 err_code |= ERR_ALERT | ERR_FATAL;
1738 fatal++;
1739 break;
1740 }
1741 nested_cond_lvl--;
1742 goto next_line;
1743 }
1744 }
1745
1746 if (nested_cond_lvl &&
1747 (nested_conds[nested_cond_lvl] == NESTED_COND_IF_DROP ||
1748 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1749 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_DROP ||
1750 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP ||
1751 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP)) {
1752 /* The current block is masked out by the conditions */
1753 goto next_line;
1754 }
1755
1756 /* .warning/.error/.notice */
1757 if (*args[0] == '.') {
1758 if (strcmp(args[0], ".alert") == 0) {
1759 ha_alert("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1760 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1761 goto err;
1762 }
1763 else if (strcmp(args[0], ".warning") == 0) {
1764 ha_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1765 err_code |= ERR_WARN;
1766 goto next_line;
1767 }
1768 else if (strcmp(args[0], ".notice") == 0) {
1769 ha_notice("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1770 goto next_line;
1771 }
1772 else {
1773 ha_alert("parsing [%s:%d]: unknown directive '%s'.\n", file, linenum, args[0]);
1774 err_code |= ERR_ALERT | ERR_FATAL;
1775 fatal++;
1776 break;
1777 }
1778 }
1779
Willy Tarreau3842f002009-06-14 11:39:52 +02001780 /* check for keyword modifiers "no" and "default" */
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001781 if (strcmp(args[0], "no") == 0) {
William Lallemand0f99e342011-10-12 17:50:54 +02001782 char *tmp;
1783
Willy Tarreau3842f002009-06-14 11:39:52 +02001784 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02001785 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001786 for (arg=0; *args[arg+1]; arg++)
1787 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02001788 *tmp = '\0'; // fix the next arg to \0
1789 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001790 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001791 else if (strcmp(args[0], "default") == 0) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001792 kwm = KWM_DEF;
1793 for (arg=0; *args[arg+1]; arg++)
1794 args[arg] = args[arg+1]; // shift args after inversion
1795 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001796
William Dauchyec730982019-10-27 20:08:10 +01001797 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
1798 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
Willy Tarreaud96f1122019-12-03 07:07:36 +01001799 strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
1800 strcmp(args[0], "insecure-fork-wanted") != 0) {
William Dauchyec730982019-10-27 20:08:10 +01001801 ha_alert("parsing [%s:%d]: negation/default currently "
William Dauchy0fec3ab2019-10-27 20:08:11 +01001802 "supported only for options, log, busy-polling, "
Willy Tarreaud96f1122019-12-03 07:07:36 +01001803 "set-dumpable, strict-limits, and insecure-fork-wanted.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02001804 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001805 fatal++;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001806 }
1807
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001808 /* detect section start */
1809 list_for_each_entry(ics, &sections, list) {
1810 if (strcmp(args[0], ics->section_name) == 0) {
1811 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001812 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001813 cs = ics;
1814 break;
1815 }
Emeric Brun32da3c42010-09-23 18:39:19 +02001816 }
1817
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001818 if (pcs && pcs->post_section_parser) {
Willy Tarreau32234e72020-06-16 17:14:33 +02001819 int status;
1820
1821 status = pcs->post_section_parser();
1822 err_code |= status;
1823 if (status & ERR_FATAL)
1824 fatal++;
1825
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001826 if (err_code & ERR_ABORT)
1827 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001828 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001829 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001830
William Lallemandd2ff56d2017-10-16 11:06:50 +02001831 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001832 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001833 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001834 fatal++;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001835 } else {
Willy Tarreau32234e72020-06-16 17:14:33 +02001836 int status;
1837
1838 status = cs->section_parser(file, linenum, args, kwm);
1839 err_code |= status;
1840 if (status & ERR_FATAL)
1841 fatal++;
1842
William Lallemandd2ff56d2017-10-16 11:06:50 +02001843 if (err_code & ERR_ABORT)
1844 goto err;
1845 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001846 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02001847
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001848 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001849 ha_alert("parsing [%s:%d]: Missing LF on last line, file might have been truncated at position %d.\n",
1850 file, linenum, (missing_lf + 1));
1851 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001852 }
1853
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001854 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001855 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02001856
Willy Tarreau4b103022021-02-12 17:59:10 +01001857 if (nested_cond_lvl) {
1858 ha_alert("parsing [%s:%d]: non-terminated '.if' block.\n", file, linenum);
1859 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1860 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02001861err:
Willy Tarreau61cfdf42021-02-20 10:46:51 +01001862 ha_free(&cfg_scope);
Willy Tarreau6daf3432008-01-22 16:44:08 +01001863 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02001864 free(thisline);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001865 free(outline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001866 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02001867 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001868}
1869
Willy Tarreau64ab6072014-09-16 12:17:36 +02001870/* This function propagates processes from frontend <from> to backend <to> so
1871 * that it is always guaranteed that a backend pointed to by a frontend is
1872 * bound to all of its processes. After that, if the target is a "listen"
1873 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02001874 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02001875 * checked first to ensure that <to> is already bound to all processes of
1876 * <from>, there is no risk of looping and we ensure to follow the shortest
1877 * path to the destination.
1878 *
1879 * It is possible to set <to> to NULL for the first call so that the function
1880 * takes care of visiting the initial frontend in <from>.
1881 *
1882 * It is important to note that the function relies on the fact that all names
1883 * have already been resolved.
1884 */
1885void propagate_processes(struct proxy *from, struct proxy *to)
1886{
1887 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001888
1889 if (to) {
1890 /* check whether we need to go down */
1891 if (from->bind_proc &&
1892 (from->bind_proc & to->bind_proc) == from->bind_proc)
1893 return;
1894
1895 if (!from->bind_proc && !to->bind_proc)
1896 return;
1897
1898 to->bind_proc = from->bind_proc ?
1899 (to->bind_proc | from->bind_proc) : 0;
1900
1901 /* now propagate down */
1902 from = to;
1903 }
1904
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01001905 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02001906 return;
1907
Willy Tarreauc3914d42020-09-24 08:39:22 +02001908 if (from->disabled)
Willy Tarreauf6b70012014-12-18 14:00:43 +01001909 return;
1910
Willy Tarreau64ab6072014-09-16 12:17:36 +02001911 /* default_backend */
1912 if (from->defbe.be)
1913 propagate_processes(from, from->defbe.be);
1914
1915 /* use_backend */
1916 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02001917 if (rule->dynamic)
1918 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001919 to = rule->be.backend;
1920 propagate_processes(from, to);
1921 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02001922}
1923
Willy Tarreaubb925012009-07-23 13:36:36 +02001924/*
1925 * Returns the error code, 0 if OK, or any combination of :
1926 * - ERR_ABORT: must abort ASAP
1927 * - ERR_FATAL: we can continue parsing but not start the service
1928 * - ERR_WARN: a warning has been emitted
1929 * - ERR_ALERT: an alert has been emitted
1930 * Only the two first ones can stop processing, the two others are just
1931 * indicators.
1932 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001933int check_config_validity()
1934{
1935 int cfgerr = 0;
1936 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001937 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001938 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02001939 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02001940 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001941 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01001942 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02001943 struct cfg_postparser *postparser;
Emeric Brun750fe792020-12-23 16:51:12 +01001944 struct resolvers *curr_resolvers = NULL;
Amaury Denoyelle3efee652021-03-08 17:31:39 +01001945 int i;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001946
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001947 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001948 /*
1949 * Now, check for the integrity of all that we have collected.
1950 */
1951
1952 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02001953 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001954
Willy Tarreau193b8c62012-11-22 00:17:38 +01001955 if (!global.tune.max_http_hdr)
1956 global.tune.max_http_hdr = MAX_HTTP_HDR;
1957
1958 if (!global.tune.cookie_len)
1959 global.tune.cookie_len = CAPTURE_LEN;
1960
Stéphane Cottin23e9e932017-05-18 08:58:41 +02001961 if (!global.tune.requri_len)
1962 global.tune.requri_len = REQURI_LEN;
1963
Willy Tarreau149ab772019-01-26 14:27:06 +01001964 if (!global.nbthread) {
1965 /* nbthread not set, thus automatic. In this case, and only if
1966 * running on a single process, we enable the same number of
1967 * threads as the number of CPUs the process is bound to. This
1968 * allows to easily control the number of threads using taskset.
1969 */
1970 global.nbthread = 1;
1971#if defined(USE_THREAD)
1972 if (global.nbproc == 1)
1973 global.nbthread = thread_cpus_enabled_at_boot;
1974 all_threads_mask = nbits(global.nbthread);
1975#endif
1976 }
1977
Willy Tarreau26f6ae12019-02-02 12:56:15 +01001978 if (global.nbproc > 1 && global.nbthread > 1) {
1979 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
1980 err_code |= ERR_ALERT | ERR_FATAL;
1981 goto out;
1982 }
1983
Willy Tarreaubafbe012017-11-24 17:34:44 +01001984 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02001985
Willy Tarreaubafbe012017-11-24 17:34:44 +01001986 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01001987
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001988 /* Post initialisation of the users and groups lists. */
1989 err_code = userlist_postinit();
1990 if (err_code != ERR_NONE)
1991 goto out;
1992
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001993 /* first, we will invert the proxy list order */
1994 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001995 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001996 struct proxy *next;
1997
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001998 next = proxies_list->next;
1999 proxies_list->next = curproxy;
2000 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002001 if (!next)
2002 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002003 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002004 }
2005
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002006 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002007 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002008 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002009 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002010 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002011 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002012 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002013 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002014
Willy Tarreau050536d2012-10-04 08:47:34 +02002015 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002016 /* proxy ID not set, use automatic numbering with first
2017 * spare entry starting with next_pxid.
2018 */
2019 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2020 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2021 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002022 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002023 next_pxid++;
2024
Willy Tarreau55ea7572007-06-17 19:56:27 +02002025
Willy Tarreauc3914d42020-09-24 08:39:22 +02002026 if (curproxy->disabled) {
Willy Tarreau02b092f2020-10-07 18:36:54 +02002027 /* ensure we don't keep listeners uselessly bound. We
2028 * can't disable their listeners yet (fdtab not
2029 * allocated yet) but let's skip them.
2030 */
Dragan Dosen7d61a332019-05-07 14:16:18 +02002031 if (curproxy->table) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002032 ha_free(&curproxy->table->peers.name);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002033 curproxy->table->peers.p = NULL;
2034 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002035 continue;
2036 }
2037
Willy Tarreau102df612014-05-07 23:56:38 +02002038 /* Check multi-process mode compatibility for the current proxy */
2039
2040 if (curproxy->bind_proc) {
2041 /* an explicit bind-process was specified, let's check how many
2042 * processes remain.
2043 */
David Carliere6c39412015-07-02 07:00:17 +00002044 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002045
Willy Tarreaua38a7172019-02-02 17:11:28 +01002046 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002047 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002048 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 +02002049 curproxy->bind_proc = 1;
2050 }
2051 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002052 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 +02002053 curproxy->bind_proc = 0;
2054 }
2055 }
2056
Willy Tarreau3d209582014-05-09 17:06:11 +02002057 /* check and reduce the bind-proc of each listener */
2058 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2059 unsigned long mask;
2060
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002061 /* HTTP frontends with "h2" as ALPN/NPN will work in
2062 * HTTP/2 and absolutely require buffers 16kB or larger.
2063 */
2064#ifdef USE_OPENSSL
2065 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2066#ifdef OPENSSL_NPN_NEGOTIATED
2067 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002068 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002069 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",
2070 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002071 cfgerr++;
2072 }
2073#endif
2074#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2075 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002076 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002077 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",
2078 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002079 cfgerr++;
2080 }
2081#endif
2082 } /* HTTP && bufsize < 16384 */
2083#endif
2084
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002085 /* detect and address thread affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002086 mask = thread_mask(bind_conf->settings.bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002087 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002088 unsigned long new_mask = 0;
2089
2090 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002091 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002092 mask >>= global.nbthread;
2093 }
2094
Willy Tarreaue26993c2020-09-03 07:18:55 +02002095 bind_conf->settings.bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002096 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",
2097 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2098 }
2099
2100 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002101 mask = proc_mask(bind_conf->settings.bind_proc) & proc_mask(curproxy->bind_proc);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002102 if (!(mask & all_proc_mask)) {
2103 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02002104 nbproc = my_popcountl(bind_conf->settings.bind_proc);
2105 bind_conf->settings.bind_proc = proc_mask(bind_conf->settings.bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002106
Willy Tarreaue26993c2020-09-03 07:18:55 +02002107 if (!bind_conf->settings.bind_proc && nbproc == 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002108 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",
2109 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002110 bind_conf->settings.bind_proc = mask & ~(mask - 1);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002111 }
Willy Tarreaue26993c2020-09-03 07:18:55 +02002112 else if (!bind_conf->settings.bind_proc && nbproc > 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002113 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",
2114 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002115 bind_conf->settings.bind_proc = 0;
Willy Tarreaua36b3242019-02-02 13:14:34 +01002116 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002117 }
2118 }
2119
Willy Tarreauff01a212009-03-15 13:46:16 +01002120 switch (curproxy->mode) {
Willy Tarreauff01a212009-03-15 13:46:16 +01002121 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002122 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002123 break;
2124
2125 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002126 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002127 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002128
2129 case PR_MODE_CLI:
2130 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2131 break;
Emeric Brun54932b42020-07-07 09:43:24 +02002132 case PR_MODE_SYSLOG:
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002133 case PR_MODE_PEERS:
Emeric Brun54932b42020-07-07 09:43:24 +02002134 case PR_MODES:
2135 /* should not happen, bug gcc warn missing switch statement */
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002136 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 +02002137 proxy_type_str(curproxy), curproxy->id);
2138 cfgerr++;
2139 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002140 }
2141
Willy Tarreau4975d142021-03-13 11:00:33 +01002142 if (curproxy != global.cli_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002143 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2144 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002145 err_code |= ERR_WARN;
2146 }
2147
Willy Tarreau77e0dae2020-10-14 15:44:27 +02002148 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002149 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002150 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002151 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2152 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002153 cfgerr++;
2154 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002155#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002156 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002157 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2158 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002159 cfgerr++;
2160 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002161#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002162 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002163 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2164 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002165 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002166 }
2167 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002168 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002169 /* If no LB algo is set in a backend, and we're not in
2170 * transparent mode, dispatch mode nor proxy mode, we
2171 * want to use balance roundrobin by default.
2172 */
2173 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2174 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002175 }
2176 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002177
Willy Tarreau1620ec32011-08-06 17:05:02 +02002178 if (curproxy->options & PR_O_DISPATCH)
2179 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2180 else if (curproxy->options & PR_O_HTTP_PROXY)
2181 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2182 else if (curproxy->options & PR_O_TRANSP)
2183 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002184
Christopher Faulete5870d82020-04-15 11:32:03 +02002185 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_HTTP_RS)) {
2186 ha_warning("config : %s '%s' uses http-check rules without 'option httpchk', so the rules are ignored.\n",
2187 proxy_type_str(curproxy), curproxy->id);
2188 err_code |= ERR_WARN;
2189 }
2190
2191 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_TCPCHK_CHK &&
Christopher Fauletc0fcbe42020-06-03 19:00:42 +02002192 (curproxy->tcpcheck_rules.flags & TCPCHK_RULES_PROTO_CHK) != TCPCHK_RULES_HTTP_CHK) {
Willy Tarreau1620ec32011-08-06 17:05:02 +02002193 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002194 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2195 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002196 err_code |= ERR_WARN;
2197 curproxy->options &= ~PR_O_DISABLE404;
2198 }
2199 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002200 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2201 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002202 err_code |= ERR_WARN;
2203 curproxy->options &= ~PR_O2_CHK_SNDST;
2204 }
Willy Tarreauef781042010-01-27 11:53:01 +01002205 }
2206
Simon Horman98637e52014-06-20 12:30:16 +09002207 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2208 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002209 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2210 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002211 cfgerr++;
2212 }
2213 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002214 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2215 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002216 cfgerr++;
2217 }
Willy Tarreaud96f1122019-12-03 07:07:36 +01002218 if (!(global.tune.options & GTUNE_INSECURE_FORK)) {
2219 ha_warning("Proxy '%s' : 'insecure-fork-wanted' not enabled in the global section, '%s' will likely fail.\n",
2220 curproxy->id, "option external-check");
2221 err_code |= ERR_WARN;
2222 }
Simon Horman98637e52014-06-20 12:30:16 +09002223 }
2224
Simon Horman64e34162015-02-06 11:11:57 +09002225 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002226 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002227 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2228 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2229 "'email-alert myhostname', or 'email-alert to' "
2230 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2231 "to be present).\n",
2232 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002233 err_code |= ERR_WARN;
2234 free_email_alert(curproxy);
2235 }
2236 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002237 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002238 }
2239
Simon Horman98637e52014-06-20 12:30:16 +09002240 if (curproxy->check_command) {
2241 int clear = 0;
2242 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002243 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2244 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002245 err_code |= ERR_WARN;
2246 clear = 1;
2247 }
2248 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002249 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2250 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002251 cfgerr++;
2252 }
2253 if (clear) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002254 ha_free(&curproxy->check_command);
Simon Horman98637e52014-06-20 12:30:16 +09002255 }
2256 }
2257
2258 if (curproxy->check_path) {
2259 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002260 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2261 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002262 err_code |= ERR_WARN;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002263 ha_free(&curproxy->check_path);
Simon Horman98637e52014-06-20 12:30:16 +09002264 }
2265 }
2266
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002267 /* if a default backend was specified, let's find it */
2268 if (curproxy->defbe.name) {
2269 struct proxy *target;
2270
Willy Tarreauafb39922015-05-26 12:04:09 +02002271 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002272 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002273 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2274 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002275 cfgerr++;
2276 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002277 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2278 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002279 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002280 } else if (target->mode != curproxy->mode &&
2281 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2282
Christopher Faulet767a84b2017-11-24 16:50:31 +01002283 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2284 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2285 curproxy->conf.file, curproxy->conf.line,
2286 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2287 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002288 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002289 } else {
2290 free(curproxy->defbe.name);
2291 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002292 /* Emit a warning if this proxy also has some servers */
2293 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002294 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2295 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002296 err_code |= ERR_WARN;
2297 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002298 }
2299 }
2300
Willy Tarreau55ea7572007-06-17 19:56:27 +02002301 /* find the target proxy for 'use_backend' rules */
2302 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002303 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002304 struct logformat_node *node;
2305 char *pxname;
2306
2307 /* Try to parse the string as a log format expression. If the result
2308 * of the parsing is only one entry containing a simple string, then
2309 * it's a standard string corresponding to a static rule, thus the
2310 * parsing is cancelled and be.name is restored to be resolved.
2311 */
2312 pxname = rule->be.name;
2313 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002314 curproxy->conf.args.ctx = ARGC_UBK;
2315 curproxy->conf.args.file = rule->file;
2316 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002317 err = NULL;
2318 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002319 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2320 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002321 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002322 cfgerr++;
2323 continue;
2324 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002325 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2326
2327 if (!LIST_ISEMPTY(&rule->be.expr)) {
2328 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2329 rule->dynamic = 1;
2330 free(pxname);
2331 continue;
2332 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002333 /* Only one element in the list, a simple string: free the expression and
2334 * fall back to static rule
2335 */
2336 LIST_DEL(&node->list);
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002337 free(node->arg);
2338 free(node);
2339 }
2340
2341 rule->dynamic = 0;
2342 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002343
Willy Tarreauafb39922015-05-26 12:04:09 +02002344 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002345 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002346 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2347 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002348 cfgerr++;
2349 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002350 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2351 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002352 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002353 } else if (target->mode != curproxy->mode &&
2354 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2355
Christopher Faulet767a84b2017-11-24 16:50:31 +01002356 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2357 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2358 curproxy->conf.file, curproxy->conf.line,
2359 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2360 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002361 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002362 } else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002363 ha_free(&rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002364 rule->be.backend = target;
2365 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002366 }
2367
Willy Tarreau64ab6072014-09-16 12:17:36 +02002368 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002369 list_for_each_entry(srule, &curproxy->server_rules, list) {
Jerome Magnin824186b2020-03-29 09:37:12 +02002370 struct server *target;
2371 struct logformat_node *node;
2372 char *server_name;
2373
2374 /* We try to parse the string as a log format expression. If the result of the parsing
2375 * is only one entry containing a single string, then it's a standard string corresponding
2376 * to a static rule, thus the parsing is cancelled and we fall back to setting srv.ptr.
2377 */
2378 server_name = srule->srv.name;
2379 LIST_INIT(&srule->expr);
2380 curproxy->conf.args.ctx = ARGC_USRV;
2381 err = NULL;
2382 if (!parse_logformat_string(server_name, curproxy, &srule->expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
2383 ha_alert("Parsing [%s:%d]; use-server rule failed to parse log-format '%s' : %s.\n",
2384 srule->file, srule->line, server_name, err);
2385 free(err);
2386 cfgerr++;
2387 continue;
2388 }
2389 node = LIST_NEXT(&srule->expr, struct logformat_node *, list);
2390
2391 if (!LIST_ISEMPTY(&srule->expr)) {
2392 if (node->type != LOG_FMT_TEXT || node->list.n != &srule->expr) {
2393 srule->dynamic = 1;
2394 free(server_name);
2395 continue;
2396 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002397 /* Only one element in the list, a simple string: free the expression and
2398 * fall back to static rule
2399 */
2400 LIST_DEL(&node->list);
Jerome Magnin824186b2020-03-29 09:37:12 +02002401 free(node->arg);
2402 free(node);
2403 }
2404
2405 srule->dynamic = 0;
2406 srule->srv.name = server_name;
2407 target = findserver(curproxy, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002408
2409 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002410 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2411 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002412 cfgerr++;
2413 continue;
2414 }
Willy Tarreau35cd7342021-02-26 20:51:47 +01002415 ha_free(&srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002416 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002417 }
2418
Emeric Brunb982a3d2010-01-04 15:45:53 +01002419 /* find the target table for 'stick' rules */
2420 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002421 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002422
Emeric Brun1d33b292010-01-04 15:47:17 +01002423 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2424 if (mrule->flags & STK_IS_STORE)
2425 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2426
Emeric Brunb982a3d2010-01-04 15:45:53 +01002427 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002428 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002429 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002430 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002431
2432 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002433 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002434 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002435 cfgerr++;
2436 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002437 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002438 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2439 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002440 cfgerr++;
2441 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002442 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002443 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2444 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002445 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002446 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002447 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002448 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002449 mrule->table.t = target;
2450 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07002451 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002452 if (!in_proxies_list(target->proxies_list, curproxy)) {
2453 curproxy->next_stkt_ref = target->proxies_list;
2454 target->proxies_list = curproxy;
2455 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002456 }
2457 }
2458
2459 /* find the target table for 'store response' rules */
2460 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002461 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002462
Emeric Brun1d33b292010-01-04 15:47:17 +01002463 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2464
Emeric Brunb982a3d2010-01-04 15:45:53 +01002465 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002466 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002467 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002468 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002469
2470 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002471 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002472 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002473 cfgerr++;
2474 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002475 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002476 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2477 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002478 cfgerr++;
2479 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002480 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002481 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2482 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002483 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002484 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002485 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002486 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002487 mrule->table.t = target;
2488 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07002489 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002490 if (!in_proxies_list(target->proxies_list, curproxy)) {
2491 curproxy->next_stkt_ref = target->proxies_list;
2492 target->proxies_list = curproxy;
2493 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002494 }
2495 }
2496
Christopher Faulete4e830d2017-09-18 14:51:41 +02002497 /* check validity for 'tcp-request' layer 4 rules */
2498 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2499 err = NULL;
2500 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002501 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002502 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002503 cfgerr++;
2504 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002505 }
2506
Christopher Faulete4e830d2017-09-18 14:51:41 +02002507 /* check validity for 'tcp-request' layer 5 rules */
2508 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2509 err = NULL;
2510 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002511 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002512 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002513 cfgerr++;
2514 }
2515 }
2516
Christopher Faulete4e830d2017-09-18 14:51:41 +02002517 /* check validity for 'tcp-request' layer 6 rules */
2518 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2519 err = NULL;
2520 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002521 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002522 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002523 cfgerr++;
2524 }
2525 }
2526
Christopher Faulete4e830d2017-09-18 14:51:41 +02002527 /* check validity for 'http-request' layer 7 rules */
2528 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2529 err = NULL;
2530 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002531 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002532 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002533 cfgerr++;
2534 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002535 }
2536
Christopher Faulete4e830d2017-09-18 14:51:41 +02002537 /* check validity for 'http-response' layer 7 rules */
2538 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2539 err = NULL;
2540 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002541 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002542 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002543 cfgerr++;
2544 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002545 }
2546
Christopher Faulet6d0c3df2020-01-22 09:26:35 +01002547 /* check validity for 'http-after-response' layer 7 rules */
2548 list_for_each_entry(arule, &curproxy->http_after_res_rules, list) {
2549 err = NULL;
2550 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
2551 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
2552 free(err);
2553 cfgerr++;
2554 }
2555 }
2556
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002557 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002558 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002559
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002560 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002561 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002562 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002563 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002564 break;
2565 }
2566 }
2567
2568 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002569 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002570 curproxy->id, curproxy->table->peers.name);
Willy Tarreau35cd7342021-02-26 20:51:47 +01002571 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002572 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002573 cfgerr++;
2574 }
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02002575 else if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002576 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002577 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002578 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002579 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002580 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2581 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002582 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002583 cfgerr++;
2584 }
2585 }
2586
Simon Horman9dc49962015-01-30 11:22:59 +09002587
2588 if (curproxy->email_alert.mailers.name) {
2589 struct mailers *curmailers = mailers;
2590
2591 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01002592 if (strcmp(curmailers->id, curproxy->email_alert.mailers.name) == 0)
Simon Horman9dc49962015-01-30 11:22:59 +09002593 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002594 }
Simon Horman9dc49962015-01-30 11:22:59 +09002595 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002596 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2597 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002598 free_email_alert(curproxy);
2599 cfgerr++;
2600 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002601 else {
2602 err = NULL;
2603 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002604 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002605 free(err);
2606 cfgerr++;
2607 }
2608 }
Simon Horman9dc49962015-01-30 11:22:59 +09002609 }
2610
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002611 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & STAT_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002612 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002613 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002614 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2615 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002616 cfgerr++;
2617 goto out_uri_auth_compat;
2618 }
2619
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002620 if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002621 (!(curproxy->uri_auth->flags & STAT_CONVDONE) ||
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002622 LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002623 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002624 struct act_rule *rule;
Amaury Denoyelle3efee652021-03-08 17:31:39 +01002625 i = 0;
2626
Willy Tarreau95fa4692010-02-01 13:05:50 +01002627 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2628 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002629
2630 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002631 uri_auth_compat_req[i++] = "realm";
2632 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2633 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002634
Willy Tarreau95fa4692010-02-01 13:05:50 +01002635 uri_auth_compat_req[i++] = "unless";
2636 uri_auth_compat_req[i++] = "{";
2637 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2638 uri_auth_compat_req[i++] = "}";
2639 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002640
Willy Tarreauff011f22011-01-06 17:51:27 +01002641 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2642 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002643 cfgerr++;
2644 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002645 }
2646
Willy Tarreauff011f22011-01-06 17:51:27 +01002647 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002648
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002649 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002650 ha_free(&curproxy->uri_auth->auth_realm);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002651 }
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002652 curproxy->uri_auth->flags |= STAT_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002653 }
2654out_uri_auth_compat:
2655
Dragan Dosen43885c72015-10-01 13:18:13 +02002656 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002657 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002658 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2659 if (!curproxy->conf.logformat_sd_string) {
2660 /* set the default logformat_sd_string */
2661 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2662 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002663 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002664 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002665 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002666
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002667 /* compile the log format */
2668 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002669 if (curproxy->conf.logformat_string != default_http_log_format &&
2670 curproxy->conf.logformat_string != default_tcp_log_format &&
2671 curproxy->conf.logformat_string != clf_http_log_format)
2672 free(curproxy->conf.logformat_string);
2673 curproxy->conf.logformat_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002674 ha_free(&curproxy->conf.lfs_file);
Willy Tarreau62a61232013-04-12 18:13:46 +02002675 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002676
2677 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2678 free(curproxy->conf.logformat_sd_string);
2679 curproxy->conf.logformat_sd_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002680 ha_free(&curproxy->conf.lfsd_file);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002681 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002682 }
2683
Willy Tarreau62a61232013-04-12 18:13:46 +02002684 if (curproxy->conf.logformat_string) {
2685 curproxy->conf.args.ctx = ARGC_LOG;
2686 curproxy->conf.args.file = curproxy->conf.lfs_file;
2687 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002688 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002689 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat,
2690 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002691 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002692 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2693 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002694 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002695 cfgerr++;
2696 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002697 curproxy->conf.args.file = NULL;
2698 curproxy->conf.args.line = 0;
2699 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002700
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002701 if (curproxy->conf.logformat_sd_string) {
2702 curproxy->conf.args.ctx = ARGC_LOGSD;
2703 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2704 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002705 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002706 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd,
2707 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002708 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002709 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2710 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002711 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002712 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002713 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002714 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2715 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002716 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002717 cfgerr++;
2718 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002719 curproxy->conf.args.file = NULL;
2720 curproxy->conf.args.line = 0;
2721 }
2722
Willy Tarreau62a61232013-04-12 18:13:46 +02002723 if (curproxy->conf.uniqueid_format_string) {
2724 curproxy->conf.args.ctx = ARGC_UIF;
2725 curproxy->conf.args.file = curproxy->conf.uif_file;
2726 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002727 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002728 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id,
2729 LOG_OPT_HTTP|LOG_OPT_MERGE_SPACES,
2730 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR
2731 : SMP_VAL_BE_HRQ_HDR,
2732 &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002733 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2734 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002735 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002736 cfgerr++;
2737 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002738 curproxy->conf.args.file = NULL;
2739 curproxy->conf.args.line = 0;
2740 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002741
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002742 /* only now we can check if some args remain unresolved.
2743 * This must be done after the users and groups resolution.
2744 */
Willy Tarreau77e6a4e2021-03-26 16:11:55 +01002745 err = NULL;
2746 i = smp_resolve_args(curproxy, &err);
2747 cfgerr += i;
2748 if (i) {
2749 indent_msg(&err, 8);
2750 ha_alert("%s%s\n", i > 1 ? "multiple argument resolution errors:" : "", err);
2751 ha_free(&err);
2752 } else
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002753 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002754
Willy Tarreau2738a142006-07-08 17:28:09 +02002755 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002756 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002757 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002758 (!curproxy->timeout.connect ||
2759 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002760 ha_warning("config : missing timeouts for %s '%s'.\n"
2761 " | While not properly invalid, you will certainly encounter various problems\n"
2762 " | with such a configuration. To fix this, please ensure that all following\n"
2763 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2764 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002765 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002766 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002767
Willy Tarreau1fa31262007-12-03 00:36:16 +01002768 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2769 * We must still support older configurations, so let's find out whether those
2770 * parameters have been set or must be copied from contimeouts.
2771 */
Willy Tarreau937c3ea2021-02-12 11:14:35 +01002772 if (!curproxy->timeout.tarpit)
2773 curproxy->timeout.tarpit = curproxy->timeout.connect;
2774 if ((curproxy->cap & PR_CAP_BE) && !curproxy->timeout.queue)
2775 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002776
Christopher Faulete5870d82020-04-15 11:32:03 +02002777 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_TCP_RS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002778 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
2779 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02002780 err_code |= ERR_WARN;
2781 }
2782
Willy Tarreau193b8c62012-11-22 00:17:38 +01002783 /* ensure that cookie capture length is not too large */
2784 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002785 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
2786 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002787 err_code |= ERR_WARN;
2788 curproxy->capture_len = global.tune.cookie_len - 1;
2789 }
2790
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002791 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01002792 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002793 curproxy->req_cap_pool = create_pool("ptrcap",
2794 curproxy->nb_req_cap * sizeof(char *),
2795 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002796 }
2797
2798 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002799 curproxy->rsp_cap_pool = create_pool("ptrcap",
2800 curproxy->nb_rsp_cap * sizeof(char *),
2801 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002802 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002803
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002804 switch (curproxy->load_server_state_from_file) {
2805 case PR_SRV_STATE_FILE_UNSPEC:
2806 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
2807 break;
2808 case PR_SRV_STATE_FILE_GLOBAL:
2809 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002810 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",
2811 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002812 err_code |= ERR_WARN;
2813 }
2814 break;
2815 }
2816
Willy Tarreaubaaee002006-06-26 02:48:02 +02002817 /* first, we will invert the servers list order */
2818 newsrv = NULL;
2819 while (curproxy->srv) {
2820 struct server *next;
2821
2822 next = curproxy->srv->next;
2823 curproxy->srv->next = newsrv;
2824 newsrv = curproxy->srv;
2825 if (!next)
2826 break;
2827 curproxy->srv = next;
2828 }
2829
Willy Tarreau17edc812014-01-03 12:14:34 +01002830 /* Check that no server name conflicts. This causes trouble in the stats.
2831 * We only emit a warning for the first conflict affecting each server,
2832 * in order to avoid combinatory explosion if all servers have the same
2833 * name. We do that only for servers which do not have an explicit ID,
2834 * because these IDs were made also for distinguishing them and we don't
2835 * want to annoy people who correctly manage them.
2836 */
2837 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
2838 struct server *other_srv;
2839
2840 if (newsrv->puid)
2841 continue;
2842
2843 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
2844 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02002845 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 +01002846 newsrv->conf.file, newsrv->conf.line,
2847 proxy_type_str(curproxy), curproxy->id,
2848 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02002849 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01002850 break;
2851 }
2852 }
2853 }
2854
Willy Tarreaudd701652010-05-25 23:03:02 +02002855 /* assign automatic UIDs to servers which don't have one yet */
2856 next_id = 1;
2857 newsrv = curproxy->srv;
2858 while (newsrv != NULL) {
2859 if (!newsrv->puid) {
2860 /* server ID not set, use automatic numbering with first
2861 * spare entry starting with next_svid.
2862 */
2863 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
2864 newsrv->conf.id.key = newsrv->puid = next_id;
2865 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02002866 newsrv->conf.name.key = newsrv->id;
2867 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02002868 }
2869 next_id++;
2870 newsrv = newsrv->next;
2871 }
2872
Willy Tarreau20697042007-11-15 23:26:18 +01002873 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01002874 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002875
Willy Tarreau62c3be22012-01-20 13:12:32 +01002876 /*
2877 * If this server supports a maxconn parameter, it needs a dedicated
2878 * tasks to fill the emptied slots when a connection leaves.
2879 * Also, resolve deferred tracking dependency if needed.
2880 */
2881 newsrv = curproxy->srv;
2882 while (newsrv != NULL) {
2883 if (newsrv->minconn > newsrv->maxconn) {
2884 /* Only 'minconn' was specified, or it was higher than or equal
2885 * to 'maxconn'. Let's turn this into maxconn and clean it, as
2886 * this will avoid further useless expensive computations.
2887 */
2888 newsrv->maxconn = newsrv->minconn;
2889 } else if (newsrv->maxconn && !newsrv->minconn) {
2890 /* minconn was not specified, so we set it to maxconn */
2891 newsrv->minconn = newsrv->maxconn;
2892 }
2893
William Dauchyf6370442020-11-14 19:25:33 +01002894 /* this will also properly set the transport layer for
2895 * prod and checks
2896 * if default-server have use_ssl, prerare ssl init
2897 * without activating it */
2898 if (newsrv->use_ssl == 1 || newsrv->check.use_ssl == 1 ||
2899 (newsrv->proxy->options & PR_O_TCPCHK_SSL) ||
2900 (newsrv->use_ssl != 1 && curproxy->defsrv.use_ssl == 1)) {
Willy Tarreau17d45382016-12-22 21:16:08 +01002901 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
2902 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
2903 }
Emeric Brun94324a42012-10-11 14:00:19 +02002904
Willy Tarreau034c88c2017-01-23 23:36:45 +01002905 if ((newsrv->flags & SRV_F_FASTOPEN) &&
2906 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
2907 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
2908 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",
2909 newsrv->conf.file, newsrv->conf.line,
2910 proxy_type_str(curproxy), curproxy->id,
2911 newsrv->id);
2912
Willy Tarreau62c3be22012-01-20 13:12:32 +01002913 if (newsrv->trackit) {
2914 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02002915 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01002916 char *pname, *sname;
2917
2918 pname = newsrv->trackit;
2919 sname = strrchr(pname, '/');
2920
2921 if (sname)
2922 *sname++ = '\0';
2923 else {
2924 sname = pname;
2925 pname = NULL;
2926 }
2927
2928 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002929 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002930 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002931 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
2932 proxy_type_str(curproxy), curproxy->id,
2933 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002934 cfgerr++;
2935 goto next_srv;
2936 }
2937 } else
2938 px = curproxy;
2939
2940 srv = findserver(px, sname);
2941 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002942 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
2943 proxy_type_str(curproxy), curproxy->id,
2944 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002945 cfgerr++;
2946 goto next_srv;
2947 }
2948
Christopher Faulet8892e5d2020-03-26 19:48:20 +01002949 if (!srv->do_check && !srv->do_agent && !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002950 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
2951 "tracking as it does not have any check nor agent enabled.\n",
2952 proxy_type_str(curproxy), curproxy->id,
2953 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02002954 cfgerr++;
2955 goto next_srv;
2956 }
2957
2958 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
2959
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01002960 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002961 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
2962 "belongs to a tracking chain looping back to %s/%s.\n",
2963 proxy_type_str(curproxy), curproxy->id,
2964 newsrv->id, px->id, srv->id, px->id,
2965 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002966 cfgerr++;
2967 goto next_srv;
2968 }
2969
2970 if (curproxy != px &&
2971 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002972 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
2973 "tracking: disable-on-404 option inconsistency.\n",
2974 proxy_type_str(curproxy), curproxy->id,
2975 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002976 cfgerr++;
2977 goto next_srv;
2978 }
2979
Willy Tarreau62c3be22012-01-20 13:12:32 +01002980 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01002981 newsrv->tracknext = srv->trackers;
2982 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01002983
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002984 ha_free(&newsrv->trackit);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002985 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02002986
Willy Tarreau62c3be22012-01-20 13:12:32 +01002987 next_srv:
2988 newsrv = newsrv->next;
2989 }
2990
Olivier Houchard4e694042017-03-14 20:01:29 +01002991 /*
2992 * Try to generate dynamic cookies for servers now.
2993 * It couldn't be done earlier, since at the time we parsed
2994 * the server line, we may not have known yet that we
2995 * should use dynamic cookies, or the secret key may not
2996 * have been provided yet.
2997 */
2998 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
2999 newsrv = curproxy->srv;
3000 while (newsrv != NULL) {
3001 srv_set_dyncookie(newsrv);
3002 newsrv = newsrv->next;
3003 }
3004
3005 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003006 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003007 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003008 */
3009
3010 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3011 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3012 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003013 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3014 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3015 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003016 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3017 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3018 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003019 } else {
3020 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3021 fwrr_init_server_groups(curproxy);
3022 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003023 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003024
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003025 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003026 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3027 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3028 fwlc_init_server_tree(curproxy);
3029 } else {
3030 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3031 fas_init_server_tree(curproxy);
3032 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003033 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003034
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003035 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003036 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3037 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3038 chash_init_server_tree(curproxy);
3039 } else {
3040 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3041 init_server_map(curproxy);
3042 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003043 break;
3044 }
Willy Tarreaucd10def2020-10-17 18:48:47 +02003045 HA_RWLOCK_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003046
3047 if (curproxy->options & PR_O_LOGASAP)
3048 curproxy->to_log &= ~LW_BYTES;
3049
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003050 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003051 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3052 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003053 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3054 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003055 err_code |= ERR_WARN;
3056 }
3057
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003058 if (curproxy->mode != PR_MODE_HTTP) {
3059 int optnum;
3060
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003061 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003062 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3063 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003064 err_code |= ERR_WARN;
3065 curproxy->uri_auth = NULL;
3066 }
3067
Willy Tarreaude7dc882017-03-10 11:49:21 +01003068 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003069 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3070 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003071 err_code |= ERR_WARN;
3072 }
3073
3074 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003075 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3076 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003077 err_code |= ERR_WARN;
3078 }
3079
3080 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003081 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3082 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003083 err_code |= ERR_WARN;
3084 }
3085
Willy Tarreaude7dc882017-03-10 11:49:21 +01003086 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003087 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3088 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003089 err_code |= ERR_WARN;
3090 }
3091
Willy Tarreau87cf5142011-08-19 22:57:24 +02003092 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003093 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3094 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003095 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003096 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003097 }
3098
3099 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003100 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3101 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003102 err_code |= ERR_WARN;
3103 curproxy->options &= ~PR_O_ORGTO;
3104 }
3105
3106 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3107 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3108 (curproxy->cap & cfg_opts[optnum].cap) &&
3109 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003110 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3111 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003112 err_code |= ERR_WARN;
3113 curproxy->options &= ~cfg_opts[optnum].val;
3114 }
3115 }
3116
3117 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3118 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3119 (curproxy->cap & cfg_opts2[optnum].cap) &&
3120 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003121 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3122 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003123 err_code |= ERR_WARN;
3124 curproxy->options2 &= ~cfg_opts2[optnum].val;
3125 }
3126 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003127
Willy Tarreau29fbe512015-08-20 19:35:14 +02003128#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003129 if (curproxy->conn_src.bind_hdr_occ) {
3130 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003131 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3132 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003133 err_code |= ERR_WARN;
3134 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003135#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003136 }
3137
Willy Tarreaubaaee002006-06-26 02:48:02 +02003138 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003139 * ensure that we're not cross-dressing a TCP server into HTTP.
3140 */
3141 newsrv = curproxy->srv;
3142 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003143 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003144 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3145 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003146 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003147 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003148
Willy Tarreau0cec3312011-10-31 13:49:26 +01003149 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003150 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3151 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003152 err_code |= ERR_WARN;
3153 }
3154
Willy Tarreauc93cd162014-05-13 15:54:22 +02003155 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003156 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3157 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003158 err_code |= ERR_WARN;
3159 }
3160
Willy Tarreau29fbe512015-08-20 19:35:14 +02003161#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003162 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3163 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003164 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3165 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003166 err_code |= ERR_WARN;
3167 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003168#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003169
Willy Tarreau46deab62018-04-28 07:18:15 +02003170 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3171 curproxy->options &= ~PR_O_REUSE_MASK;
3172
Willy Tarreau21d2af32008-02-14 20:25:24 +01003173 newsrv = newsrv->next;
3174 }
3175
Christopher Fauletd7c91962015-04-30 11:48:27 +02003176 /* Check filter configuration, if any */
3177 cfgerr += flt_check(curproxy);
3178
Willy Tarreauc1a21672009-08-16 22:37:44 +02003179 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003180 if (!curproxy->accept)
3181 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003182
Willy Tarreauc1a21672009-08-16 22:37:44 +02003183 if (curproxy->tcp_req.inspect_delay ||
3184 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003185 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003186
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003187 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003188 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003189 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003190 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003191
William Lallemandcf62f7e2018-10-26 14:47:40 +02003192 if (curproxy->mode == PR_MODE_CLI) {
3193 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3194 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3195 }
3196
Willy Tarreauc1a21672009-08-16 22:37:44 +02003197 /* both TCP and HTTP must check switching rules */
3198 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003199
3200 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003201 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003202 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3203 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 +01003204 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003205 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3206 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003207 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003208 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003209 }
3210
3211 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003212 if (curproxy->tcp_req.inspect_delay ||
3213 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3214 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3215
Emeric Brun97679e72010-09-23 17:56:44 +02003216 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3217 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3218
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003219 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003220 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003221 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003222 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003223
3224 /* If the backend does requires RDP cookie persistence, we have to
3225 * enable the corresponding analyser.
3226 */
3227 if (curproxy->options2 & PR_O2_RDPC_PRST)
3228 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003229
3230 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003231 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003232 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3233 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 +01003234 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003235 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3236 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003237 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003238 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003239 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003240
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003241 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003242 * attached to the current proxy */
3243 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3244 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003245 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003246
3247 if (!bind_conf->mux_proto)
3248 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003249
3250 /* it is possible that an incorrect mux was referenced
3251 * due to the proxy's mode not being taken into account
3252 * on first pass. Let's adjust it now.
3253 */
3254 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3255
3256 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003257 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3258 proxy_type_str(curproxy), curproxy->id,
3259 (int)bind_conf->mux_proto->token.len,
3260 bind_conf->mux_proto->token.ptr,
3261 bind_conf->arg, bind_conf->file, bind_conf->line);
3262 cfgerr++;
3263 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003264
3265 /* update the mux */
3266 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003267 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003268 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3269 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003270 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003271
3272 if (!newsrv->mux_proto)
3273 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003274
3275 /* it is possible that an incorrect mux was referenced
3276 * due to the proxy's mode not being taken into account
3277 * on first pass. Let's adjust it now.
3278 */
3279 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3280
3281 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003282 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3283 proxy_type_str(curproxy), curproxy->id,
3284 (int)newsrv->mux_proto->token.len,
3285 newsrv->mux_proto->token.ptr,
3286 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3287 cfgerr++;
3288 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003289
3290 /* update the mux */
3291 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003292 }
Willy Tarreau4cdac162021-03-05 10:48:42 +01003293 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003294
Willy Tarreau4cdac162021-03-05 10:48:42 +01003295 /***********************************************************/
3296 /* At this point, target names have already been resolved. */
3297 /***********************************************************/
Willy Tarreau835daa12019-02-07 14:46:29 +01003298
Willy Tarreau4cdac162021-03-05 10:48:42 +01003299 /* we must finish to initialize certain things on the servers */
Willy Tarreau835daa12019-02-07 14:46:29 +01003300
Willy Tarreau4cdac162021-03-05 10:48:42 +01003301 list_for_each_entry(newsrv, &servers_list, global_list) {
3302 /* initialize idle conns lists */
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003303 newsrv->per_thr = calloc(global.nbthread, sizeof(*newsrv->per_thr));
3304 if (!newsrv->per_thr) {
3305 ha_alert("parsing [%s:%d] : failed to allocate per-thread lists for server '%s'.\n",
3306 newsrv->conf.file, newsrv->conf.line, newsrv->id);
Willy Tarreau4cdac162021-03-05 10:48:42 +01003307 cfgerr++;
3308 continue;
3309 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003310
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003311 for (i = 0; i < global.nbthread; i++) {
3312 newsrv->per_thr[i].idle_conns = EB_ROOT;
3313 newsrv->per_thr[i].safe_conns = EB_ROOT;
3314 newsrv->per_thr[i].avail_conns = EB_ROOT;
Willy Tarreaud4e78d82021-03-04 10:47:54 +01003315 MT_LIST_INIT(&newsrv->per_thr[i].streams);
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003316 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003317
Willy Tarreau4cdac162021-03-05 10:48:42 +01003318 if (newsrv->max_idle_conns != 0) {
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003319 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
3320 if (!newsrv->curr_idle_thr) {
3321 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3322 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3323 cfgerr++;
3324 continue;
3325 }
3326 }
3327 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003328
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003329 idle_conn_task = task_new(MAX_THREADS_MASK);
3330 if (!idle_conn_task) {
3331 ha_alert("parsing : failed to allocate global idle connection task.\n");
3332 cfgerr++;
3333 }
3334 else {
3335 idle_conn_task->process = srv_cleanup_idle_conns;
3336 idle_conn_task->context = NULL;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003337
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003338 for (i = 0; i < global.nbthread; i++) {
3339 idle_conns[i].cleanup_task = task_new(1UL << i);
3340 if (!idle_conns[i].cleanup_task) {
3341 ha_alert("parsing : failed to allocate idle connection tasks for thread '%d'.\n", i);
3342 cfgerr++;
3343 break;
Willy Tarreau4cdac162021-03-05 10:48:42 +01003344 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003345
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003346 idle_conns[i].cleanup_task->process = srv_cleanup_toremove_conns;
3347 idle_conns[i].cleanup_task->context = NULL;
3348 HA_SPIN_INIT(&idle_conns[i].idle_conns_lock);
3349 MT_LIST_INIT(&idle_conns[i].toremove_conns);
Willy Tarreau835daa12019-02-07 14:46:29 +01003350 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003351 }
3352
Willy Tarreau419ead82014-09-16 13:41:21 +02003353 /* Check multi-process mode compatibility */
3354
Willy Tarreau4975d142021-03-13 11:00:33 +01003355 if (global.nbproc > 1 && global.cli_fe) {
3356 list_for_each_entry(bind_conf, &global.cli_fe->conf.bind, by_fe) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003357 unsigned long mask;
3358
Willy Tarreau4975d142021-03-13 11:00:33 +01003359 mask = proc_mask(global.cli_fe->bind_proc) && all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02003360 mask &= proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003361
3362 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003363 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003364 break;
3365 }
Willy Tarreau4975d142021-03-13 11:00:33 +01003366 if (&bind_conf->by_fe != &global.cli_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003367 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 +02003368 }
3369 }
3370
3371 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003372 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003373 if (curproxy->bind_proc)
3374 continue;
3375
3376 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3377 unsigned long mask;
3378
Willy Tarreaue26993c2020-09-03 07:18:55 +02003379 mask = proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003380 curproxy->bind_proc |= mask;
3381 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003382 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003383 }
3384
Willy Tarreau4975d142021-03-13 11:00:33 +01003385 if (global.cli_fe) {
3386 list_for_each_entry(bind_conf, &global.cli_fe->conf.bind, by_fe) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003387 unsigned long mask;
3388
Willy Tarreaue26993c2020-09-03 07:18:55 +02003389 mask = bind_conf->settings.bind_proc ? bind_conf->settings.bind_proc : 0;
Willy Tarreau4975d142021-03-13 11:00:33 +01003390 global.cli_fe->bind_proc |= mask;
Willy Tarreau419ead82014-09-16 13:41:21 +02003391 }
Willy Tarreau4975d142021-03-13 11:00:33 +01003392 global.cli_fe->bind_proc = proc_mask(global.cli_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003393 }
3394
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003395 /* propagate bindings from frontends to backends. Don't do it if there
3396 * are any fatal errors as we must not call it with unresolved proxies.
3397 */
3398 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003399 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003400 if (curproxy->cap & PR_CAP_FE)
3401 propagate_processes(curproxy, NULL);
3402 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003403 }
3404
3405 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003406 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3407 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003408
3409 /*******************************************************/
3410 /* At this step, all proxies have a non-null bind_proc */
3411 /*******************************************************/
3412
3413 /* perform the final checks before creating tasks */
3414
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003415 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003416 struct listener *listener;
3417 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003418
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003419 /* Configure SSL for each bind line.
3420 * Note: if configuration fails at some point, the ->ctx member
3421 * remains NULL so that listeners can later detach.
3422 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003423 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003424 if (bind_conf->xprt->prepare_bind_conf &&
3425 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003426 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003427 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003428
Willy Tarreaue6b98942007-10-29 01:09:36 +01003429 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003430 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003431 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003432 int nbproc;
3433
3434 nbproc = my_popcountl(curproxy->bind_proc &
Willy Tarreaue26993c2020-09-03 07:18:55 +02003435 (listener->bind_conf->settings.bind_proc ? listener->bind_conf->settings.bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003436 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003437
3438 if (!nbproc) /* no intersection between listener and frontend */
3439 nbproc = 1;
3440
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003441 if (!listener->luid) {
3442 /* listener ID not set, use automatic numbering with first
3443 * spare entry starting with next_luid.
3444 */
3445 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3446 listener->conf.id.key = listener->luid = next_id;
3447 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003448 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003449 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003450
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003451 /* enable separate counters */
3452 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003453 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003454 if (!listener->name)
3455 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003456 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003457
Willy Tarreaue6b98942007-10-29 01:09:36 +01003458 if (curproxy->options & PR_O_TCP_NOLING)
3459 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003460 if (!listener->maxaccept)
Willy Tarreau66161322021-02-19 15:50:27 +01003461 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Willy Tarreau16a21472012-11-19 12:39:59 +01003462
3463 /* we want to have an optimal behaviour on single process mode to
3464 * maximize the work at once, but in multi-process we want to keep
3465 * some fairness between processes, so we target half of the max
3466 * number of events to be balanced over all the processes the proxy
Ilya Shipitsin6fb0f212020-04-02 15:25:26 +05003467 * is bound to. Remember that maxaccept = -1 must be kept as it is
Willy Tarreau16a21472012-11-19 12:39:59 +01003468 * used to disable the limit.
3469 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003470 if (listener->maxaccept > 0 && nbproc > 1) {
3471 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003472 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3473 }
3474
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003475 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003476 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003477 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003478
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003479 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003480 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003481
Willy Tarreau620408f2016-10-21 16:37:51 +02003482 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3483 listener->options |= LI_O_TCP_L5_RULES;
3484
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003485 /* smart accept mode is automatic in HTTP mode */
3486 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003487 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003488 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3489 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003490 }
3491
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003492 /* Release unused SSL configs */
3493 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003494 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3495 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003496 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003497
Willy Tarreaua38a7172019-02-02 17:11:28 +01003498 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003499 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003500 int count, maxproc = 0;
3501
3502 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreaue26993c2020-09-03 07:18:55 +02003503 count = my_popcountl(bind_conf->settings.bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003504 if (count > maxproc)
3505 maxproc = count;
3506 }
3507 /* backends have 0, frontends have 1 or more */
3508 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003509 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3510 " limited to process assigned to the current request.\n",
3511 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003512
Willy Tarreau102df612014-05-07 23:56:38 +02003513 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003514 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3515 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003516 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003517 }
Willy Tarreau102df612014-05-07 23:56:38 +02003518 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003519 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3520 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003521 }
3522 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003523
3524 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003525 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003526 if (curproxy->task) {
3527 curproxy->task->context = curproxy;
3528 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003529 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003530 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3531 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003532 cfgerr++;
3533 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003534 }
3535
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003536 /*
3537 * Recount currently required checks.
3538 */
3539
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003540 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003541 int optnum;
3542
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003543 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3544 if (curproxy->options & cfg_opts[optnum].val)
3545 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003546
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003547 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3548 if (curproxy->options2 & cfg_opts2[optnum].val)
3549 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003550 }
3551
Willy Tarreau0fca4832015-05-01 19:12:05 +02003552 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003553 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003554 if (curproxy->table && curproxy->table->peers.p)
3555 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003556
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003557 /* compute the required process bindings for the peers from <stktables_list>
3558 * for all the stick-tables, the ones coming with "peers" sections included.
3559 */
3560 for (t = stktables_list; t; t = t->next) {
3561 struct proxy *p;
3562
3563 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3564 if (t->peers.p && t->peers.p->peers_fe) {
3565 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3566 }
3567 }
3568 }
3569
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003570 if (cfg_peers) {
3571 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003572 struct peer *p, *pb;
3573
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003574 /* In the case the peers frontend was not initialized by a
3575 stick-table used in the configuration, set its bind_proc
3576 by default to the first process. */
3577 while (curpeers) {
William Lallemand3ef2d562020-03-24 16:42:15 +01003578 if (curpeers->peers_fe) {
3579 if (curpeers->peers_fe->bind_proc == 0)
3580 curpeers->peers_fe->bind_proc = 1;
3581 }
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003582 curpeers = curpeers->next;
3583 }
3584
3585 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02003586 /* Remove all peers sections which don't have a valid listener,
3587 * which are not used by any table, or which are bound to more
3588 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003589 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003590 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003591 while (*last) {
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003592 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02003593 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003594
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02003595 if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003596 /* the "disabled" keyword was present */
3597 if (curpeers->peers_fe)
3598 stop_proxy(curpeers->peers_fe);
3599 curpeers->peers_fe = NULL;
3600 }
Frédéric Lécaille5a4fe5a2019-10-04 08:30:04 +02003601 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003602 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3603 curpeers->id, localpeer);
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003604 if (curpeers->peers_fe)
3605 stop_proxy(curpeers->peers_fe);
3606 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003607 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003608 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003609 /* either it's totally stopped or too much used */
3610 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003611 ha_alert("Peers section '%s': peers referenced by sections "
3612 "running in different processes (%d different ones). "
3613 "Check global.nbproc and all tables' bind-process "
3614 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003615 cfgerr++;
3616 }
3617 stop_proxy(curpeers->peers_fe);
3618 curpeers->peers_fe = NULL;
3619 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003620 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003621 /* Initializes the transport layer of the server part of all the peers belonging to
3622 * <curpeers> section if required.
3623 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3624 * of an old process.
3625 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003626 p = curpeers->remote;
3627 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003628 if (p->srv) {
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003629 if (p->srv->use_ssl == 1 && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003630 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3631 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003632 p = p->next;
3633 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003634 /* Configure the SSL bindings of the local peer if required. */
3635 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3636 struct list *l;
3637 struct bind_conf *bind_conf;
3638
3639 l = &curpeers->peers_fe->conf.bind;
3640 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3641 if (bind_conf->xprt->prepare_bind_conf &&
3642 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3643 cfgerr++;
3644 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02003645 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02003646 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3647 curpeers->id);
3648 cfgerr++;
3649 break;
3650 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003651 last = &curpeers->next;
3652 continue;
3653 }
3654
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003655 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003656 p = curpeers->remote;
3657 while (p) {
3658 pb = p->next;
3659 free(p->id);
3660 free(p);
3661 p = pb;
3662 }
3663
3664 /* Destroy and unlink this curpeers section.
3665 * Note: curpeers is backed up into *last.
3666 */
3667 free(curpeers->id);
3668 curpeers = curpeers->next;
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003669 /* Reset any refereance to this peers section in the list of stick-tables */
3670 for (t = stktables_list; t; t = t->next) {
3671 if (t->peers.p && t->peers.p == *last)
3672 t->peers.p = NULL;
3673 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003674 free(*last);
3675 *last = curpeers;
3676 }
3677 }
3678
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003679 for (t = stktables_list; t; t = t->next) {
3680 if (t->proxy)
3681 continue;
3682 if (!stktable_init(t)) {
3683 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
3684 cfgerr++;
3685 }
3686 }
3687
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003688 /* initialize stick-tables on backend capable proxies. This must not
3689 * be done earlier because the data size may be discovered while parsing
3690 * other proxies.
3691 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003692 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauc3914d42020-09-24 08:39:22 +02003693 if (curproxy->disabled || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003694 continue;
3695
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003696 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003697 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003698 cfgerr++;
3699 }
3700 }
3701
Simon Horman0d16a402015-01-30 11:22:58 +09003702 if (mailers) {
3703 struct mailers *curmailers = mailers, **last;
3704 struct mailer *m, *mb;
3705
3706 /* Remove all mailers sections which don't have a valid listener.
3707 * This can happen when a mailers section is never referenced.
3708 */
3709 last = &mailers;
3710 while (*last) {
3711 curmailers = *last;
3712 if (curmailers->users) {
3713 last = &curmailers->next;
3714 continue;
3715 }
3716
Christopher Faulet767a84b2017-11-24 16:50:31 +01003717 ha_warning("Removing incomplete section 'mailers %s'.\n",
3718 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003719
3720 m = curmailers->mailer_list;
3721 while (m) {
3722 mb = m->next;
3723 free(m->id);
3724 free(m);
3725 m = mb;
3726 }
3727
3728 /* Destroy and unlink this curmailers section.
3729 * Note: curmailers is backed up into *last.
3730 */
3731 free(curmailers->id);
3732 curmailers = curmailers->next;
3733 free(*last);
3734 *last = curmailers;
3735 }
3736 }
3737
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003738 /* Update server_state_file_name to backend name if backend is supposed to use
3739 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003740 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003741 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3742 curproxy->server_state_file_name == NULL)
3743 curproxy->server_state_file_name = strdup(curproxy->id);
3744 }
3745
Emeric Brun750fe792020-12-23 16:51:12 +01003746 list_for_each_entry(curr_resolvers, &sec_resolvers, list) {
Ben Draut054fbee2018-04-13 15:43:04 -06003747 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3748 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3749 curr_resolvers->id, curr_resolvers->conf.file,
3750 curr_resolvers->conf.line);
3751 err_code |= ERR_WARN;
3752 }
3753 }
3754
William Lallemand48b4bb42017-10-23 14:36:34 +02003755 list_for_each_entry(postparser, &postparsers, list) {
3756 if (postparser->func)
3757 cfgerr += postparser->func();
3758 }
3759
Willy Tarreaubb925012009-07-23 13:36:36 +02003760 if (cfgerr > 0)
3761 err_code |= ERR_ALERT | ERR_FATAL;
3762 out:
3763 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02003764}
3765
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003766/*
3767 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
3768 * parsing sessions.
3769 */
3770void cfg_register_keywords(struct cfg_kw_list *kwl)
3771{
3772 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
3773}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003774
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003775/*
3776 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
3777 */
3778void cfg_unregister_keywords(struct cfg_kw_list *kwl)
3779{
3780 LIST_DEL(&kwl->list);
3781 LIST_INIT(&kwl->list);
3782}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003783
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003784/* this function register new section in the haproxy configuration file.
3785 * <section_name> is the name of this new section and <section_parser>
3786 * is the called parser. If two section declaration have the same name,
3787 * only the first declared is used.
3788 */
3789int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02003790 int (*section_parser)(const char *, int, char **, int),
3791 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003792{
3793 struct cfg_section *cs;
3794
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003795 list_for_each_entry(cs, &sections, list) {
3796 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003797 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003798 return 0;
3799 }
3800 }
3801
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003802 cs = calloc(1, sizeof(*cs));
3803 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003804 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003805 return 0;
3806 }
3807
3808 cs->section_name = section_name;
3809 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02003810 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003811
3812 LIST_ADDQ(&sections, &cs->list);
3813
3814 return 1;
3815}
3816
William Lallemand48b4bb42017-10-23 14:36:34 +02003817/* this function register a new function which will be called once the haproxy
3818 * configuration file has been parsed. It's useful to check dependencies
3819 * between sections or to resolve items once everything is parsed.
3820 */
3821int cfg_register_postparser(char *name, int (*func)())
3822{
3823 struct cfg_postparser *cp;
3824
3825 cp = calloc(1, sizeof(*cp));
3826 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003827 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02003828 return 0;
3829 }
3830 cp->name = name;
3831 cp->func = func;
3832
3833 LIST_ADDQ(&postparsers, &cp->list);
3834
3835 return 1;
3836}
3837
Willy Tarreaubaaee002006-06-26 02:48:02 +02003838/*
David Carlier845efb52015-09-25 11:49:18 +01003839 * free all config section entries
3840 */
3841void cfg_unregister_sections(void)
3842{
3843 struct cfg_section *cs, *ics;
3844
3845 list_for_each_entry_safe(cs, ics, &sections, list) {
3846 LIST_DEL(&cs->list);
3847 free(cs);
3848 }
3849}
3850
Christopher Faulet7110b402016-10-26 11:09:44 +02003851void cfg_backup_sections(struct list *backup_sections)
3852{
3853 struct cfg_section *cs, *ics;
3854
3855 list_for_each_entry_safe(cs, ics, &sections, list) {
3856 LIST_DEL(&cs->list);
3857 LIST_ADDQ(backup_sections, &cs->list);
3858 }
3859}
3860
3861void cfg_restore_sections(struct list *backup_sections)
3862{
3863 struct cfg_section *cs, *ics;
3864
3865 list_for_each_entry_safe(cs, ics, backup_sections, list) {
3866 LIST_DEL(&cs->list);
3867 LIST_ADDQ(&sections, &cs->list);
3868 }
3869}
3870
Willy Tarreaue6552512018-11-26 11:33:13 +01003871/* these are the config sections handled by default */
3872REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
3873REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
3874REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
3875REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
3876REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
3877REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
3878REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
3879REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
3880REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02003881
David Carlier845efb52015-09-25 11:49:18 +01003882/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02003883 * Local variables:
3884 * c-indent-level: 8
3885 * c-basic-offset: 8
3886 * End:
3887 */