blob: 269b47d0b5629fa0dbec2c81af232472a6069524 [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
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +010091char *cursection = NULL;
Willy Tarreauc8d5b952019-02-27 17:25:52 +010092int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +010093int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +010094char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +020095
Willy Tarreau5b2c3362008-07-09 19:39:06 +020096/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +010097struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +020098 .list = LIST_HEAD_INIT(cfg_keywords.list)
99};
100
Willy Tarreau4b103022021-02-12 17:59:10 +0100101/* nested if/elif/else/endif block states */
102enum nested_cond_state {
103 NESTED_COND_IF_TAKE, // "if" with a true condition
104 NESTED_COND_IF_DROP, // "if" with a false condition
105 NESTED_COND_IF_SKIP, // "if" masked by an outer false condition
106
107 NESTED_COND_ELIF_TAKE, // "elif" with a true condition from a false one
108 NESTED_COND_ELIF_DROP, // "elif" with a false condition from a false one
109 NESTED_COND_ELIF_SKIP, // "elif" masked by an outer false condition or a previously taken if
110
111 NESTED_COND_ELSE_TAKE, // taken "else" after an if false condition
112 NESTED_COND_ELSE_DROP, // "else" masked by outer false condition or an if true condition
113};
114
115/* 100 levels of nested conditions should already be sufficient */
116#define MAXNESTEDCONDS 100
117
Willy Tarreaubaaee002006-06-26 02:48:02 +0200118/*
119 * converts <str> to a list of listeners which are dynamically allocated.
120 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
121 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
122 * - <port> is a numerical port from 1 to 65535 ;
123 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
124 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200125 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
126 * not NULL, it must be a valid pointer to either NULL or a freeable area that
127 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200128 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200129int 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 +0200130{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200131 struct protocol *proto;
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100132 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200133 int port, end;
134
135 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137 while (next && *next) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200138 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100139 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200140
141 str = next;
142 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100143 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200144 *next++ = 0;
145 }
146
Willy Tarreau5fc93282020-09-16 18:25:03 +0200147 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200148 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Willy Tarreau32819932020-09-04 15:53:16 +0200149 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
Willy Tarreau5e1779a2020-09-16 16:28:08 +0200150 PA_O_SOCKET_FD | PA_O_STREAM | PA_O_XPRT);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100151 if (!ss2)
152 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200153
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100154 /* OK the address looks correct */
Frédéric Lécaille884f2e92020-11-23 14:23:21 +0100155
156#ifdef USE_QUIC
157 /* The transport layer automatically switches to QUIC when QUIC
158 * is selected, regardless of bind_conf settings. We then need
159 * to initialize QUIC params.
160 */
161 if (proto->sock_type == SOCK_DGRAM && proto->ctrl_type == SOCK_STREAM) {
162 bind_conf->xprt = xprt_get(XPRT_QUIC);
163 quic_transport_params_init(&bind_conf->quic_params, 1);
164 }
165#endif
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200166 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200167 memprintf(err, "%s for address '%s'.\n", *err, str);
168 goto fail;
169 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200170 } /* end while(next) */
171 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200172 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200173 fail:
174 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200175 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200176}
177
William Lallemand6e62fb62015-04-28 16:55:23 +0200178/*
Willy Tarreauaa333122020-09-16 15:13:04 +0200179 * converts <str> to a list of datagram-oriented listeners which are dynamically
180 * allocated.
181 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
182 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
183 * - <port> is a numerical port from 1 to 65535 ;
184 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
185 * This can be repeated as many times as necessary, separated by a coma.
186 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
187 * not NULL, it must be a valid pointer to either NULL or a freeable area that
188 * will be replaced with an error message.
189 */
190int str2receiver(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
191{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200192 struct protocol *proto;
Willy Tarreauaa333122020-09-16 15:13:04 +0200193 char *next, *dupstr;
194 int port, end;
195
196 next = dupstr = strdup(str);
197
198 while (next && *next) {
199 struct sockaddr_storage *ss2;
200 int fd = -1;
201
202 str = next;
203 /* 1) look for the end of the first address */
204 if ((next = strchr(str, ',')) != NULL) {
205 *next++ = 0;
206 }
207
Willy Tarreau5fc93282020-09-16 18:25:03 +0200208 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreauaa333122020-09-16 15:13:04 +0200209 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
210 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
211 PA_O_SOCKET_FD | PA_O_DGRAM | PA_O_XPRT);
212 if (!ss2)
213 goto fail;
214
215 /* OK the address looks correct */
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200216 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreauaa333122020-09-16 15:13:04 +0200217 memprintf(err, "%s for address '%s'.\n", *err, str);
218 goto fail;
219 }
220 } /* end while(next) */
221 free(dupstr);
222 return 1;
223 fail:
224 free(dupstr);
225 return 0;
226}
227
228/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100229 * Report an error in <msg> when there are too many arguments. This version is
230 * intended to be used by keyword parsers so that the message will be included
231 * into the general error message. The index is the current keyword in args.
232 * Return 0 if the number of argument is correct, otherwise build a message and
233 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
234 * message may also be null, it will simply not be produced (useful to check only).
235 * <msg> and <err_code> are only affected on error.
236 */
237int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
238{
239 int i;
240
241 if (!*args[index + maxarg + 1])
242 return 0;
243
244 if (msg) {
245 *msg = NULL;
246 memprintf(msg, "%s", args[0]);
247 for (i = 1; i <= index; i++)
248 memprintf(msg, "%s %s", *msg, args[i]);
249
250 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
251 }
252 if (err_code)
253 *err_code |= ERR_ALERT | ERR_FATAL;
254
255 return 1;
256}
257
258/*
259 * same as too_many_args_idx with a 0 index
260 */
261int too_many_args(int maxarg, char **args, char **msg, int *err_code)
262{
263 return too_many_args_idx(maxarg, 0, args, msg, err_code);
264}
265
266/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200267 * Report a fatal Alert when there is too much arguments
268 * The index is the current keyword in args
269 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
270 * Fill err_code with an ERR_ALERT and an ERR_FATAL
271 */
272int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
273{
274 char *kw = NULL;
275 int i;
276
277 if (!*args[index + maxarg + 1])
278 return 0;
279
280 memprintf(&kw, "%s", args[0]);
281 for (i = 1; i <= index; i++) {
282 memprintf(&kw, "%s %s", kw, args[i]);
283 }
284
Christopher Faulet767a84b2017-11-24 16:50:31 +0100285 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 +0200286 free(kw);
287 *err_code |= ERR_ALERT | ERR_FATAL;
288 return 1;
289}
290
291/*
292 * same as alertif_too_many_args_idx with a 0 index
293 */
294int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
295{
296 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
297}
298
Willy Tarreau61d18892009-03-31 10:49:21 +0200299
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100300/* Report it if a request ACL condition uses some keywords that are incompatible
301 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
302 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
303 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100304 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100305int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100306{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100307 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200308 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100309
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100310 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100311 return 0;
312
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100313 acl = acl_cond_conflicts(cond, where);
314 if (acl) {
315 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100316 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
317 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100318 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100319 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
320 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100321 return ERR_WARN;
322 }
323 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100324 return 0;
325
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100326 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100327 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
328 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100329 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100330 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
331 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100332 return ERR_WARN;
333}
334
Willy Tarreaue2afcc42021-03-12 09:08:04 +0100335/* try to find in <list> the word that looks closest to <word> by counting
336 * transitions between letters, digits and other characters. Will return the
337 * best matching word if found, otherwise NULL. An optional array of extra
338 * words to compare may be passed in <extra>, but it must then be terminated
339 * by a NULL entry. If unused it may be NULL.
340 */
341const char *cfg_find_best_match(const char *word, const struct list *list, int section, const char **extra)
342{
343 uint8_t word_sig[1024]; // 0..25=letter, 26=digit, 27=other, 28=begin, 29=end
344 uint8_t list_sig[1024];
345 const struct cfg_kw_list *kwl;
346 int index;
347 const char *best_ptr = NULL;
348 int dist, best_dist = INT_MAX;
349
350 make_word_fingerprint(word_sig, word);
351 list_for_each_entry(kwl, list, list) {
352 for (index = 0; kwl->kw[index].kw != NULL; index++) {
353 if (kwl->kw[index].section != section)
354 continue;
355
356 make_word_fingerprint(list_sig, kwl->kw[index].kw);
357 dist = word_fingerprint_distance(word_sig, list_sig);
358 if (dist < best_dist) {
359 best_dist = dist;
360 best_ptr = kwl->kw[index].kw;
361 }
362 }
363 }
364
365 while (extra && *extra) {
366 make_word_fingerprint(list_sig, *extra);
367 dist = word_fingerprint_distance(word_sig, list_sig);
368 if (dist < best_dist) {
369 best_dist = dist;
370 best_ptr = *extra;
371 }
372 extra++;
373 }
374
375 if (best_dist > 2 * strlen(word) || (best_ptr && best_dist > 2 * strlen(best_ptr)))
376 best_ptr = NULL;
377 return best_ptr;
378}
379
380
Christopher Faulet62519022017-10-16 15:49:32 +0200381/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100382 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100383 * two such numbers delimited by a dash ('-'). On success, it returns
384 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200385 *
386 * Note: this function can also be used to parse a thread number or a set of
387 * threads.
388 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100389int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200390{
Christopher Faulet26028f62017-11-22 15:01:51 +0100391 if (autoinc) {
392 *autoinc = 0;
393 if (strncmp(arg, "auto:", 5) == 0) {
394 arg += 5;
395 *autoinc = 1;
396 }
397 }
398
Christopher Faulet62519022017-10-16 15:49:32 +0200399 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100400 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200401 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100402 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200403 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100404 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200405 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100406 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100407 unsigned int low, high;
408
Christopher Faulet18cca782019-02-07 16:29:41 +0100409 for (p = arg; *p; p++) {
410 if (*p == '-' && !dash)
411 dash = p;
Willy Tarreau90807112020-02-25 08:16:33 +0100412 else if (!isdigit((unsigned char)*p)) {
Christopher Faulet18cca782019-02-07 16:29:41 +0100413 memprintf(err, "'%s' is not a valid number/range.", arg);
414 return -1;
415 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100416 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100417
418 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100419 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100420 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100421
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100422 if (high < low) {
423 unsigned int swap = low;
424 low = high;
425 high = swap;
426 }
427
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100428 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100429 memprintf(err, "'%s' is not a valid number/range."
430 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100431 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100432 return 1;
433 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100434
435 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100436 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200437 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100438 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100439
Christopher Faulet5ab51772017-11-22 11:21:58 +0100440 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200441}
442
David Carlier7e351ee2017-12-01 09:14:02 +0000443#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200444/* Parse cpu sets. Each CPU set is either a unique number between 0 and
445 * <LONGBITS> or a range with two such numbers delimited by a dash
446 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
447 * returns 0. otherwise it returns 1 with an error message in <err>.
448 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100449unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200450{
451 int cur_arg = 0;
452
453 *cpu_set = 0;
454 while (*args[cur_arg]) {
455 char *dash;
456 unsigned int low, high;
457
Willy Tarreau90807112020-02-25 08:16:33 +0100458 if (!isdigit((unsigned char)*args[cur_arg])) {
Christopher Faulet62519022017-10-16 15:49:32 +0200459 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
460 return -1;
461 }
462
463 low = high = str2uic(args[cur_arg]);
464 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100465 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200466
467 if (high < low) {
468 unsigned int swap = low;
469 low = high;
470 high = swap;
471 }
472
473 if (high >= LONGBITS) {
474 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
475 return 1;
476 }
477
478 while (low <= high)
479 *cpu_set |= 1UL << low++;
480
481 cur_arg++;
482 }
483 return 0;
484}
David Carlier7e351ee2017-12-01 09:14:02 +0000485#endif
486
Frédéric Lécaille18251032019-01-11 11:07:15 +0100487/* Allocate and initialize the frontend of a "peers" section found in
488 * file <file> at line <linenum> with <id> as ID.
489 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200490 * Note that this function may be called from "default-server"
491 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100492 */
493static int init_peers_frontend(const char *file, int linenum,
494 const char *id, struct peers *peers)
495{
496 struct proxy *p;
497
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200498 if (peers->peers_fe) {
499 p = peers->peers_fe;
500 goto out;
501 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100502
Frédéric Lécaille18251032019-01-11 11:07:15 +0100503 p = calloc(1, sizeof *p);
504 if (!p) {
505 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
506 return -1;
507 }
508
509 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200510 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100511 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200512 /* Finally store this frontend. */
513 peers->peers_fe = p;
514
515 out:
516 if (id && !p->id)
517 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200518 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100519 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100520 if (linenum != -1)
521 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100522
523 return 0;
524}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100525
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100526/* Only change ->file, ->line and ->arg struct bind_conf member values
527 * if already present.
528 */
529static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
530 const char *file, int line,
531 const char *arg, struct xprt_ops *xprt)
532{
533 struct bind_conf *bind_conf;
534
535 if (!LIST_ISEMPTY(&p->conf.bind)) {
536 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
537 free(bind_conf->file);
538 bind_conf->file = strdup(file);
539 bind_conf->line = line;
540 if (arg) {
541 free(bind_conf->arg);
542 bind_conf->arg = strdup(arg);
543 }
544 }
545 else {
546 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
547 }
548
549 return bind_conf;
550}
551
552/*
553 * Allocate a new struct peer parsed at line <linenum> in file <file>
554 * to be added to <peers>.
555 * Returns the new allocated structure if succeeded, NULL if not.
556 */
557static struct peer *cfg_peers_add_peer(struct peers *peers,
558 const char *file, int linenum,
559 const char *id, int local)
560{
561 struct peer *p;
562
563 p = calloc(1, sizeof *p);
564 if (!p) {
565 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
566 return NULL;
567 }
568
569 /* the peers are linked backwards first */
570 peers->count++;
571 p->next = peers->remote;
572 peers->remote = p;
573 p->conf.file = strdup(file);
574 p->conf.line = linenum;
575 p->last_change = now.tv_sec;
576 p->xprt = xprt_get(XPRT_RAW);
577 p->sock_init_arg = NULL;
578 HA_SPIN_INIT(&p->lock);
579 if (id)
580 p->id = strdup(id);
581 if (local) {
582 p->local = 1;
583 peers->local = p;
584 }
585
586 return p;
587}
588
Willy Tarreaubaaee002006-06-26 02:48:02 +0200589/*
William Lallemand51097192015-04-14 16:35:22 +0200590 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200591 * Returns the error code, 0 if OK, or any combination of :
592 * - ERR_ABORT: must abort ASAP
593 * - ERR_FATAL: we can continue parsing but not start the service
594 * - ERR_WARN: a warning has been emitted
595 * - ERR_ALERT: an alert has been emitted
596 * Only the two first ones can stop processing, the two others are just
597 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200598 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200599int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
600{
601 static struct peers *curpeers = NULL;
602 struct peer *newpeer = NULL;
603 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200604 struct bind_conf *bind_conf;
605 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200606 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100607 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100608 static int bind_line, peer_line;
609
610 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
611 int cur_arg;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100612 struct bind_conf *bind_conf;
613 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200614
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100615 cur_arg = 1;
616
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200617 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
618 err_code |= ERR_ALERT | ERR_ABORT;
619 goto out;
620 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100621
622 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
623 NULL, xprt_get(XPRT_RAW));
624 if (*args[0] == 'b') {
625 struct listener *l;
626
627 if (peer_line) {
628 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
629 err_code |= ERR_ALERT | ERR_FATAL;
630 goto out;
631 }
632
633 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
634 if (errmsg && *errmsg) {
635 indent_msg(&errmsg, 2);
636 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
637 }
638 else
639 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
640 file, linenum, args[0], args[1], args[2]);
641 err_code |= ERR_FATAL;
642 goto out;
643 }
644 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
645 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100646 l->accept = session_accept_fd;
647 l->analysers |= curpeers->peers_fe->fe_req_ana;
648 l->default_target = curpeers->peers_fe->default_target;
649 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100650 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100651
652 bind_line = 1;
653 if (cfg_peers->local) {
654 newpeer = cfg_peers->local;
655 }
656 else {
657 /* This peer is local.
658 * Note that we do not set the peer ID. This latter is initialized
659 * when parsing "peer" or "server" line.
660 */
661 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
662 if (!newpeer) {
663 err_code |= ERR_ALERT | ERR_ABORT;
664 goto out;
665 }
666 }
Willy Tarreau37159062020-08-27 07:48:42 +0200667 newpeer->addr = l->rx.addr;
Willy Tarreau5fc93282020-09-16 18:25:03 +0200668 newpeer->proto = l->rx.proto;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100669 cur_arg++;
670 }
671
672 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
673 int ret;
674
675 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
676 err_code |= ret;
677 if (ret) {
678 if (errmsg && *errmsg) {
679 indent_msg(&errmsg, 2);
680 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
681 }
682 else
683 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
684 file, linenum, args[cur_arg]);
685 if (ret & ERR_FATAL)
686 goto out;
687 }
688 cur_arg += 1 + kw->skip;
689 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100690 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +0100691 const char *best = bind_find_best_kw(args[cur_arg]);
692 if (best)
693 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
694 file, linenum, args[cur_arg], cursection, best);
695 else
696 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
697 file, linenum, args[cur_arg], cursection);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100698 err_code |= ERR_ALERT | ERR_FATAL;
699 goto out;
700 }
701 }
702 else if (strcmp(args[0], "default-server") == 0) {
703 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
704 err_code |= ERR_ALERT | ERR_ABORT;
705 goto out;
706 }
Emeric Brund3db3842020-07-21 16:54:36 +0200707 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0, 1, 1);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200708 }
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100709 else if (strcmp(args[0], "log") == 0) {
710 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
711 err_code |= ERR_ALERT | ERR_ABORT;
712 goto out;
713 }
714 if (!parse_logsrv(args, &curpeers->peers_fe->logsrvs, (kwm == KWM_NO), &errmsg)) {
715 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
716 err_code |= ERR_ALERT | ERR_FATAL;
717 goto out;
718 }
719 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200720 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100721 /* Initialize these static variables when entering a new "peers" section*/
722 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100723 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100724 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100725 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100726 goto out;
727 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200728
William Lallemand6e62fb62015-04-28 16:55:23 +0200729 if (alertif_too_many_args(1, file, linenum, args, &err_code))
730 goto out;
731
Emeric Brun32da3c42010-09-23 18:39:19 +0200732 err = invalid_char(args[1]);
733 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100734 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
735 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100736 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100737 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200738 }
739
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200740 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200741 /*
742 * If there are two proxies with the same name only following
743 * combinations are allowed:
744 */
745 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100746 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
747 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200748 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200749 }
750 }
751
Vincent Bernat02779b62016-04-03 13:48:43 +0200752 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100753 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200754 err_code |= ERR_ALERT | ERR_ABORT;
755 goto out;
756 }
757
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200758 curpeers->next = cfg_peers;
759 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200760 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200761 curpeers->conf.line = linenum;
762 curpeers->last_change = now.tv_sec;
763 curpeers->id = strdup(args[1]);
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200764 curpeers->disabled = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200765 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200766 else if (strcmp(args[0], "peer") == 0 ||
767 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100768 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200769
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100770 peer = *args[0] == 'p';
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100771 local_peer = strcmp(args[1], localpeer) == 0;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100772 /* The local peer may have already partially been parsed on a "bind" line. */
773 if (*args[0] == 'p') {
774 if (bind_line) {
775 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
776 err_code |= ERR_ALERT | ERR_FATAL;
777 goto out;
778 }
779 peer_line = 1;
780 }
781 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
782 /* The local peer has already been initialized on a "bind" line.
783 * Let's use it and store its ID.
784 */
785 newpeer = cfg_peers->local;
786 newpeer->id = strdup(localpeer);
787 }
788 else {
789 if (local_peer && cfg_peers->local) {
790 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
791 file, linenum, args[0], args[1],
792 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
793 err_code |= ERR_FATAL;
794 goto out;
795 }
796 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
797 if (!newpeer) {
798 err_code |= ERR_ALERT | ERR_ABORT;
799 goto out;
800 }
801 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200802
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100803 /* Line number and peer ID are updated only if this peer is the local one. */
804 if (init_peers_frontend(file,
805 newpeer->local ? linenum: -1,
806 newpeer->local ? newpeer->id : NULL,
807 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200808 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100809 goto out;
810 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100811
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100812 /* This initializes curpeer->peers->peers_fe->srv.
813 * The server address is parsed only if we are parsing a "peer" line,
814 * or if we are parsing a "server" line and the current peer is not the local one.
815 */
Emeric Brund3db3842020-07-21 16:54:36 +0200816 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer, 1, 1);
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200817 if (!curpeers->peers_fe->srv) {
818 /* Remove the newly allocated peer. */
819 if (newpeer != curpeers->local) {
820 struct peer *p;
821
822 p = curpeers->remote;
823 curpeers->remote = curpeers->remote->next;
824 free(p->id);
825 free(p);
826 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200827 goto out;
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200828 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200829
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100830 /* If the peer address has just been parsed, let's copy it to <newpeer>
831 * and initializes ->proto.
832 */
833 if (peer || !local_peer) {
834 newpeer->addr = curpeers->peers_fe->srv->addr;
835 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
836 }
837
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100838 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200839 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100840 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200841
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100842 newpeer->srv = curpeers->peers_fe->srv;
843 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200844 goto out;
845
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100846 /* The lines above are reserved to "peer" lines. */
847 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200848 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200849
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100850 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100851
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100852 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
853 if (errmsg && *errmsg) {
854 indent_msg(&errmsg, 2);
855 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100856 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100857 else
858 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
859 file, linenum, args[0], args[1], args[2]);
860 err_code |= ERR_FATAL;
861 goto out;
862 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100863
864 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
865 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100866 l->accept = session_accept_fd;
867 l->analysers |= curpeers->peers_fe->fe_req_ana;
868 l->default_target = curpeers->peers_fe->default_target;
869 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100870 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100871 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100872 else if (strcmp(args[0], "table") == 0) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100873 struct stktable *t, *other;
874 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100875 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100876
877 /* Line number and peer ID are updated only if this peer is the local one. */
878 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
879 err_code |= ERR_ALERT | ERR_ABORT;
880 goto out;
881 }
882
883 other = stktable_find_by_name(args[1]);
884 if (other) {
885 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
886 file, linenum, args[1],
887 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
888 other->proxy ? other->id : other->peers.p->id,
889 other->conf.file, other->conf.line);
890 err_code |= ERR_ALERT | ERR_FATAL;
891 goto out;
892 }
893
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100894 /* Build the stick-table name, concatenating the "peers" section name
895 * followed by a '/' character and the table name argument.
896 */
897 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100898 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100899 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
900 file, linenum, args[0], args[1]);
901 err_code |= ERR_ALERT | ERR_FATAL;
902 goto out;
903 }
904
905 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100906 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100907 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
908 file, linenum, args[0], args[1]);
909 err_code |= ERR_ALERT | ERR_FATAL;
910 goto out;
911 }
912
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100913 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100914 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100915 if (!t || !id) {
916 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
917 file, linenum, args[0], args[1]);
Eric Salama1aab9112020-09-18 11:55:17 +0200918 free(t);
919 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100920 err_code |= ERR_ALERT | ERR_FATAL;
921 goto out;
922 }
923
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100924 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Eric Salama1aab9112020-09-18 11:55:17 +0200925 if (err_code & ERR_FATAL) {
926 free(t);
927 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100928 goto out;
Eric Salama1aab9112020-09-18 11:55:17 +0200929 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100930
931 stktable_store_name(t);
932 t->next = stktables_list;
933 stktables_list = t;
934 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100935 else if (strcmp(args[0], "disabled") == 0) { /* disables this peers section */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200936 curpeers->disabled = 1;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200937 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100938 else if (strcmp(args[0], "enabled") == 0) { /* enables this peers section (used to revert a disabled default) */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200939 curpeers->disabled = 0;
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200940 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200941 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100942 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200943 err_code |= ERR_ALERT | ERR_FATAL;
944 goto out;
945 }
946
947out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100948 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200949 return err_code;
950}
951
Baptiste Assmann325137d2015-04-13 23:40:55 +0200952/*
William Lallemand51097192015-04-14 16:35:22 +0200953 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +0900954 * Returns the error code, 0 if OK, or any combination of :
955 * - ERR_ABORT: must abort ASAP
956 * - ERR_FATAL: we can continue parsing but not start the service
957 * - ERR_WARN: a warning has been emitted
958 * - ERR_ALERT: an alert has been emitted
959 * Only the two first ones can stop processing, the two others are just
960 * indicators.
961 */
962int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
963{
964 static struct mailers *curmailers = NULL;
965 struct mailer *newmailer = NULL;
966 const char *err;
967 int err_code = 0;
968 char *errmsg = NULL;
969
970 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
971 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100972 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +0900973 err_code |= ERR_ALERT | ERR_ABORT;
974 goto out;
975 }
976
977 err = invalid_char(args[1]);
978 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100979 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
980 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +0900981 err_code |= ERR_ALERT | ERR_ABORT;
982 goto out;
983 }
984
985 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
986 /*
987 * If there are two proxies with the same name only following
988 * combinations are allowed:
989 */
990 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100991 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
992 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200993 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +0900994 }
995 }
996
Vincent Bernat02779b62016-04-03 13:48:43 +0200997 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100998 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +0900999 err_code |= ERR_ALERT | ERR_ABORT;
1000 goto out;
1001 }
1002
1003 curmailers->next = mailers;
1004 mailers = curmailers;
1005 curmailers->conf.file = strdup(file);
1006 curmailers->conf.line = linenum;
1007 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001008 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1009 * But need enough time so that timeouts don't occur
1010 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001011 }
1012 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1013 struct sockaddr_storage *sk;
1014 int port1, port2;
1015 struct protocol *proto;
1016
1017 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001018 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1019 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001020 err_code |= ERR_ALERT | ERR_FATAL;
1021 goto out;
1022 }
1023
1024 err = invalid_char(args[1]);
1025 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001026 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1027 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001028 err_code |= ERR_ALERT | ERR_FATAL;
1029 goto out;
1030 }
1031
Vincent Bernat02779b62016-04-03 13:48:43 +02001032 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001033 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001034 err_code |= ERR_ALERT | ERR_ABORT;
1035 goto out;
1036 }
1037
1038 /* the mailers are linked backwards first */
1039 curmailers->count++;
1040 newmailer->next = curmailers->mailer_list;
1041 curmailers->mailer_list = newmailer;
1042 newmailer->mailers = curmailers;
1043 newmailer->conf.file = strdup(file);
1044 newmailer->conf.line = linenum;
1045
1046 newmailer->id = strdup(args[1]);
1047
Willy Tarreau5fc93282020-09-16 18:25:03 +02001048 sk = str2sa_range(args[2], NULL, &port1, &port2, NULL, &proto,
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001049 &errmsg, NULL, NULL,
1050 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 +09001051 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001052 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001053 err_code |= ERR_ALERT | ERR_FATAL;
1054 goto out;
1055 }
1056
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001057 if (proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001058 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1059 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001060 err_code |= ERR_ALERT | ERR_FATAL;
1061 goto out;
1062 }
1063
Simon Horman0d16a402015-01-30 11:22:58 +09001064 newmailer->addr = *sk;
1065 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001066 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001067 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001068 }
1069 else if (strcmp(args[0], "timeout") == 0) {
1070 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001071 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1072 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001073 err_code |= ERR_ALERT | ERR_FATAL;
1074 goto out;
1075 }
1076 else if (strcmp(args[1], "mail") == 0) {
1077 const char *res;
1078 unsigned int timeout_mail;
1079 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001080 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1081 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001082 err_code |= ERR_ALERT | ERR_FATAL;
1083 goto out;
1084 }
1085 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001086 if (res == PARSE_TIME_OVER) {
1087 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1088 file, linenum, args[2], args[0], args[1]);
1089 err_code |= ERR_ALERT | ERR_FATAL;
1090 goto out;
1091 }
1092 else if (res == PARSE_TIME_UNDER) {
1093 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1094 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001095 err_code |= ERR_ALERT | ERR_FATAL;
1096 goto out;
1097 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001098 else if (res) {
1099 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1100 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001101 err_code |= ERR_ALERT | ERR_FATAL;
1102 goto out;
1103 }
1104 curmailers->timeout.mail = timeout_mail;
1105 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001106 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001107 file, linenum, args[0], args[1]);
1108 err_code |= ERR_ALERT | ERR_FATAL;
1109 goto out;
1110 }
1111 }
Simon Horman0d16a402015-01-30 11:22:58 +09001112 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001113 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001114 err_code |= ERR_ALERT | ERR_FATAL;
1115 goto out;
1116 }
1117
1118out:
1119 free(errmsg);
1120 return err_code;
1121}
1122
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001123void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001124{
Willy Tarreau61cfdf42021-02-20 10:46:51 +01001125 ha_free(&p->email_alert.mailers.name);
1126 ha_free(&p->email_alert.from);
1127 ha_free(&p->email_alert.to);
1128 ha_free(&p->email_alert.myhostname);
Simon Horman9dc49962015-01-30 11:22:59 +09001129}
1130
Willy Tarreaubaaee002006-06-26 02:48:02 +02001131
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001132int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001133cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1134{
Willy Tarreaue5733232019-05-22 19:24:06 +02001135#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001136 const char *err;
1137 const char *item = args[0];
1138
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001139 if (strcmp(item, "namespace_list") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001140 return 0;
1141 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001142 else if (strcmp(item, "namespace") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001143 size_t idx = 1;
1144 const char *current;
1145 while (*(current = args[idx++])) {
1146 err = invalid_char(current);
1147 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001148 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1149 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001150 return ERR_ALERT | ERR_FATAL;
1151 }
1152
1153 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001154 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1155 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001156 return ERR_ALERT | ERR_FATAL;
1157 }
1158 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001159 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1160 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001161 return ERR_ALERT | ERR_FATAL;
1162 }
1163 }
1164 }
1165
1166 return 0;
1167#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001168 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1169 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001170 return ERR_ALERT | ERR_FATAL;
1171#endif
1172}
1173
1174int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001175cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1176{
1177
1178 int err_code = 0;
1179 const char *err;
1180
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001181 if (strcmp(args[0], "userlist") == 0) { /* new userlist */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001182 struct userlist *newul;
1183
1184 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001185 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1186 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001187 err_code |= ERR_ALERT | ERR_FATAL;
1188 goto out;
1189 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001190 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1191 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001192
1193 err = invalid_char(args[1]);
1194 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001195 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1196 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001197 err_code |= ERR_ALERT | ERR_FATAL;
1198 goto out;
1199 }
1200
1201 for (newul = userlist; newul; newul = newul->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001202 if (strcmp(newul->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001203 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1204 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001205 err_code |= ERR_WARN;
1206 goto out;
1207 }
1208
Vincent Bernat02779b62016-04-03 13:48:43 +02001209 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001210 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001211 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001212 err_code |= ERR_ALERT | ERR_ABORT;
1213 goto out;
1214 }
1215
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001216 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001217 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001218 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001219 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001220 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001221 goto out;
1222 }
1223
1224 newul->next = userlist;
1225 userlist = newul;
1226
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001227 } else if (strcmp(args[0], "group") == 0) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001228 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001229 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001230 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001231
1232 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001233 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1234 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001235 err_code |= ERR_ALERT | ERR_FATAL;
1236 goto out;
1237 }
1238
1239 err = invalid_char(args[1]);
1240 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001241 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1242 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001243 err_code |= ERR_ALERT | ERR_FATAL;
1244 goto out;
1245 }
1246
William Lallemand4ac9f542015-05-28 18:03:51 +02001247 if (!userlist)
1248 goto out;
1249
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001250 for (ag = userlist->groups; ag; ag = ag->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001251 if (strcmp(ag->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001252 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1253 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001254 err_code |= ERR_ALERT;
1255 goto out;
1256 }
1257
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001258 ag = calloc(1, sizeof(*ag));
1259 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001260 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001261 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001262 goto out;
1263 }
1264
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001265 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001266 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001267 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001268 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001269 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001270 goto out;
1271 }
1272
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001273 cur_arg = 2;
1274
1275 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001276 if (strcmp(args[cur_arg], "users") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001277 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001278 cur_arg += 2;
1279 continue;
1280 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001281 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1282 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001283 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001284 free(ag->groupusers);
1285 free(ag->name);
1286 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001287 goto out;
1288 }
1289 }
1290
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001291 ag->next = userlist->groups;
1292 userlist->groups = ag;
1293
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001294 } else if (strcmp(args[0], "user") == 0) { /* new user */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001295 struct auth_users *newuser;
1296 int cur_arg;
1297
1298 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001299 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1300 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001301 err_code |= ERR_ALERT | ERR_FATAL;
1302 goto out;
1303 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001304 if (!userlist)
1305 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001306
1307 for (newuser = userlist->users; newuser; newuser = newuser->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001308 if (strcmp(newuser->user, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001309 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1310 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001311 err_code |= ERR_ALERT;
1312 goto out;
1313 }
1314
Vincent Bernat02779b62016-04-03 13:48:43 +02001315 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001316 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001317 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001318 err_code |= ERR_ALERT | ERR_ABORT;
1319 goto out;
1320 }
1321
1322 newuser->user = strdup(args[1]);
1323
1324 newuser->next = userlist->users;
1325 userlist->users = newuser;
1326
1327 cur_arg = 2;
1328
1329 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001330 if (strcmp(args[cur_arg], "password") == 0) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001331#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001332 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001333 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1334 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001335 err_code |= ERR_ALERT | ERR_FATAL;
1336 goto out;
1337 }
1338#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001339 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1340 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001341 err_code |= ERR_ALERT;
1342#endif
1343 newuser->pass = strdup(args[cur_arg + 1]);
1344 cur_arg += 2;
1345 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001346 } else if (strcmp(args[cur_arg], "insecure-password") == 0) {
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001347 newuser->pass = strdup(args[cur_arg + 1]);
1348 newuser->flags |= AU_O_INSECURE;
1349 cur_arg += 2;
1350 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001351 } else if (strcmp(args[cur_arg], "groups") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001352 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001353 cur_arg += 2;
1354 continue;
1355 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001356 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1357 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001358 err_code |= ERR_ALERT | ERR_FATAL;
1359 goto out;
1360 }
1361 }
1362 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001363 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 +01001364 err_code |= ERR_ALERT | ERR_FATAL;
1365 }
1366
1367out:
1368 return err_code;
1369}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001370
Christopher Faulet79bdef32016-11-04 22:36:15 +01001371int
1372cfg_parse_scope(const char *file, int linenum, char *line)
1373{
1374 char *beg, *end, *scope = NULL;
1375 int err_code = 0;
1376 const char *err;
1377
1378 beg = line + 1;
1379 end = strchr(beg, ']');
1380
1381 /* Detect end of scope declaration */
1382 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001383 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1384 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001385 err_code |= ERR_ALERT | ERR_FATAL;
1386 goto out;
1387 }
1388
1389 /* Get scope name and check its validity */
1390 scope = my_strndup(beg, end-beg);
1391 err = invalid_char(scope);
1392 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001393 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1394 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001395 err_code |= ERR_ALERT | ERR_ABORT;
1396 goto out;
1397 }
1398
1399 /* Be sure to have a scope declaration alone on its line */
1400 line = end+1;
1401 while (isspace((unsigned char)*line))
1402 line++;
1403 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001404 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1405 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001406 err_code |= ERR_ALERT | ERR_ABORT;
1407 goto out;
1408 }
1409
1410 /* We have a valid scope declaration, save it */
1411 free(cfg_scope);
1412 cfg_scope = scope;
1413 scope = NULL;
1414
1415 out:
1416 free(scope);
1417 return err_code;
1418}
1419
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001420int
1421cfg_parse_track_sc_num(unsigned int *track_sc_num,
1422 const char *arg, const char *end, char **errmsg)
1423{
1424 const char *p;
1425 unsigned int num;
1426
1427 p = arg;
1428 num = read_uint64(&arg, end);
1429
1430 if (arg != end) {
1431 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1432 return -1;
1433 }
1434
1435 if (num >= MAX_SESS_STKCTR) {
1436 memprintf(errmsg, "%u track-sc number exceeding "
1437 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1438 return -1;
1439 }
1440
1441 *track_sc_num = num;
1442 return 0;
1443}
1444
Willy Tarreaubaaee002006-06-26 02:48:02 +02001445/*
1446 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001447 * Returns the error code, 0 if OK, or any combination of :
1448 * - ERR_ABORT: must abort ASAP
1449 * - ERR_FATAL: we can continue parsing but not start the service
1450 * - ERR_WARN: a warning has been emitted
1451 * - ERR_ALERT: an alert has been emitted
1452 * Only the two first ones can stop processing, the two others are just
1453 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001454 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001455int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001456{
William Lallemand64e84512015-05-12 14:25:37 +02001457 char *thisline;
1458 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001459 FILE *f;
1460 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001461 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001462 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001463 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001464 int readbytes = 0;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001465 char *outline = NULL;
1466 size_t outlen = 0;
1467 size_t outlinesize = 0;
Willy Tarreau32234e72020-06-16 17:14:33 +02001468 int fatal = 0;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001469 int missing_lf = -1;
Willy Tarreau4b103022021-02-12 17:59:10 +01001470 int nested_cond_lvl = 0;
1471 enum nested_cond_state nested_conds[MAXNESTEDCONDS];
William Lallemand64e84512015-05-12 14:25:37 +02001472
1473 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001474 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001475 return -1;
1476 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001477
David Carlier97880bb2016-04-08 10:35:26 +01001478 if ((f=fopen(file,"r")) == NULL) {
1479 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001480 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001481 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001482
William Lallemandb2f07452015-05-12 14:27:13 +02001483next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001484 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001485 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001486 char *end;
1487 char *args[MAX_LINE_ARGS + 1];
1488 char *line = thisline;
1489
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001490 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001491 ha_alert("parsing [%s:%d]: Stray NUL character at position %d.\n",
1492 file, linenum, (missing_lf + 1));
1493 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001494 missing_lf = -1;
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001495 break;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001496 }
1497
Willy Tarreaubaaee002006-06-26 02:48:02 +02001498 linenum++;
1499
Willy Tarreau32234e72020-06-16 17:14:33 +02001500 if (fatal >= 50) {
1501 ha_alert("parsing [%s:%d]: too many fatal errors (%d), stopping now.\n", file, linenum, fatal);
1502 break;
1503 }
1504
Willy Tarreaubaaee002006-06-26 02:48:02 +02001505 end = line + strlen(line);
1506
William Lallemand64e84512015-05-12 14:25:37 +02001507 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001508 /* Check if we reached the limit and the last char is not \n.
1509 * Watch out for the last line without the terminating '\n'!
1510 */
William Lallemand64e84512015-05-12 14:25:37 +02001511 char *newline;
1512 int newlinesize = linesize * 2;
1513
1514 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1515 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001516 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1517 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001518 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001519 fatal++;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001520 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001521 continue;
1522 }
1523
1524 readbytes = linesize - 1;
1525 linesize = newlinesize;
1526 thisline = newline;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001527 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001528 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001529 }
1530
William Lallemand64e84512015-05-12 14:25:37 +02001531 readbytes = 0;
1532
Willy Tarreau08488f62020-06-26 17:24:54 +02001533 if (end > line && *(end-1) == '\n') {
Tim Duesterhus70f58992020-06-22 22:57:44 +02001534 /* kill trailing LF */
1535 *(end - 1) = 0;
1536 }
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001537 else {
1538 /* mark this line as truncated */
1539 missing_lf = end - line;
1540 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001541
Willy Tarreaubaaee002006-06-26 02:48:02 +02001542 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001543 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001544 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001545
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001546 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001547 err_code |= cfg_parse_scope(file, linenum, line);
1548 goto next_line;
1549 }
1550
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001551 while (1) {
1552 uint32_t err;
1553 char *errptr;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001554
Willy Tarreau61dd44b2020-06-25 07:35:42 +02001555 arg = MAX_LINE_ARGS + 1;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001556 outlen = outlinesize;
1557 err = parse_line(line, outline, &outlen, args, &arg,
1558 PARSE_OPT_ENV | PARSE_OPT_DQUOTE | PARSE_OPT_SQUOTE |
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001559 PARSE_OPT_BKSLASH | PARSE_OPT_SHARP | PARSE_OPT_WORD_EXPAND,
1560 &errptr);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001561
1562 if (err & PARSE_ERR_QUOTE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001563 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1564
1565 ha_alert("parsing [%s:%d]: unmatched quote at position %d:\n"
1566 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001567 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001568 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001569 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001570 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001571
1572 if (err & PARSE_ERR_BRACE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001573 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1574
1575 ha_alert("parsing [%s:%d]: unmatched brace in environment variable name at position %d:\n"
1576 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001577 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001578 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001579 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001580 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001581
1582 if (err & PARSE_ERR_VARNAME) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001583 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1584
1585 ha_alert("parsing [%s:%d]: forbidden first char in environment variable name at position %d:\n"
1586 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001587 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001588 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001589 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001590 }
William Lallemandb2f07452015-05-12 14:27:13 +02001591
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001592 if (err & PARSE_ERR_HEX) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001593 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1594
1595 ha_alert("parsing [%s:%d]: truncated or invalid hexadecimal sequence at position %d:\n"
1596 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001597 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus9f658a52020-06-16 18:14:21 +02001598 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001599 goto next_line;
1600 }
William Lallemandb2f07452015-05-12 14:27:13 +02001601
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001602 if (err & PARSE_ERR_WRONG_EXPAND) {
1603 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1604
1605 ha_alert("parsing [%s:%d]: truncated or invalid word expansion sequence at position %d:\n"
1606 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
1607 err_code |= ERR_ALERT | ERR_FATAL;
1608 fatal++;
1609 goto next_line;
1610 }
1611
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001612 if (err & (PARSE_ERR_TOOLARGE|PARSE_ERR_OVERLAP)) {
1613 outlinesize = (outlen + 1023) & -1024;
Ilya Shipitsin76837bc2021-01-07 22:45:13 +05001614 outline = my_realloc2(outline, outlinesize);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001615 if (outline == NULL) {
1616 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1617 file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001618 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001619 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001620 goto next_line;
William Lallemandb2f07452015-05-12 14:27:13 +02001621 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001622 /* try again */
1623 continue;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001624 }
Willy Tarreau07d47062020-06-25 07:41:22 +02001625
1626 if (err & PARSE_ERR_TOOMANY) {
1627 /* only check this *after* being sure the output is allocated */
1628 ha_alert("parsing [%s:%d]: too many words, truncating after word %d, position %ld: <%s>.\n",
1629 file, linenum, MAX_LINE_ARGS, (long)(args[MAX_LINE_ARGS-1] - outline + 1), args[MAX_LINE_ARGS-1]);
1630 err_code |= ERR_ALERT | ERR_FATAL;
1631 fatal++;
1632 goto next_line;
1633 }
1634
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001635 /* everything's OK */
1636 break;
William Lallemandf9873ba2015-05-05 17:37:14 +02001637 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001638
1639 /* empty line */
1640 if (!**args)
1641 continue;
1642
Willy Tarreau4b103022021-02-12 17:59:10 +01001643 /* check for config macros */
1644 if (*args[0] == '.') {
1645 if (strcmp(args[0], ".if") == 0) {
1646 nested_cond_lvl++;
1647 if (nested_cond_lvl >= MAXNESTEDCONDS) {
1648 ha_alert("parsing [%s:%d]: too many nested '.if', max is %d.\n", file, linenum, MAXNESTEDCONDS);
1649 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1650 goto err;
1651 }
1652
1653 if (nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_DROP ||
1654 nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_SKIP ||
1655 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_DROP ||
1656 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_SKIP ||
1657 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELSE_DROP) {
1658 nested_conds[nested_cond_lvl] = NESTED_COND_IF_SKIP;
1659 } else if (!*args[1] || *args[1] == '0') {
1660 /* empty = false */
1661 nested_conds[nested_cond_lvl] = NESTED_COND_IF_DROP;
1662 } else if (atoi(args[1]) > 0) {
1663 /* true */
1664 nested_conds[nested_cond_lvl] = NESTED_COND_IF_TAKE;
1665 } else {
1666 ha_alert("parsing [%s:%d]: unparsable conditional expression '%s'.\n", file, linenum, args[1]);
1667 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1668 goto err;
1669 }
1670 goto next_line;
1671 }
1672 else if (strcmp(args[0], ".elif") == 0) {
1673 if (!nested_cond_lvl) {
1674 ha_alert("parsing [%s:%d]: lone '.elif' with no matching '.if'.\n", file, linenum);
1675 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1676 goto err;
1677 }
1678
1679 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
1680 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
1681 ha_alert("parsing [%s:%d]: '.elif' after '.else' is not permitted.\n", file, linenum);
1682 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1683 goto err;
1684 }
1685
1686 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
1687 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1688 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
1689 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_SKIP;
1690 } else if (!*args[1] || *args[1] == '0') {
1691 /* empty = false */
1692 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_DROP;
1693 } else if (atoi(args[1]) > 0) {
1694 /* true */
1695 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_TAKE;
1696 } else {
1697 ha_alert("parsing [%s:%d]: unparsable conditional expression '%s'.\n", file, linenum, args[1]);
1698 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1699 goto err;
1700 }
1701 goto next_line;
1702 }
1703 else if (strcmp(args[0], ".else") == 0) {
1704 if (!nested_cond_lvl) {
1705 ha_alert("parsing [%s:%d]: lone '.else' with no matching '.if'.\n", file, linenum);
1706 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1707 goto err;
1708 }
1709
1710 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
1711 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
1712 ha_alert("parsing [%s:%d]: '.else' after '.else' is not permitted.\n", file, linenum);
1713 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1714 goto err;
1715 }
1716
1717 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
1718 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1719 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_TAKE ||
1720 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
1721 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_DROP;
1722 } else {
1723 /* otherwise we take the "else" */
1724 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_TAKE;
1725 }
1726 goto next_line;
1727 }
1728 else if (strcmp(args[0], ".endif") == 0) {
1729 if (!nested_cond_lvl) {
1730 ha_alert("parsing [%s:%d]: lone '.endif' with no matching '.if'.\n", file, linenum);
1731 err_code |= ERR_ALERT | ERR_FATAL;
1732 fatal++;
1733 break;
1734 }
1735 nested_cond_lvl--;
1736 goto next_line;
1737 }
1738 }
1739
1740 if (nested_cond_lvl &&
1741 (nested_conds[nested_cond_lvl] == NESTED_COND_IF_DROP ||
1742 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
1743 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_DROP ||
1744 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP ||
1745 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP)) {
1746 /* The current block is masked out by the conditions */
1747 goto next_line;
1748 }
1749
1750 /* .warning/.error/.notice */
1751 if (*args[0] == '.') {
1752 if (strcmp(args[0], ".alert") == 0) {
1753 ha_alert("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1754 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1755 goto err;
1756 }
1757 else if (strcmp(args[0], ".warning") == 0) {
1758 ha_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1759 err_code |= ERR_WARN;
1760 goto next_line;
1761 }
1762 else if (strcmp(args[0], ".notice") == 0) {
1763 ha_notice("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
1764 goto next_line;
1765 }
1766 else {
1767 ha_alert("parsing [%s:%d]: unknown directive '%s'.\n", file, linenum, args[0]);
1768 err_code |= ERR_ALERT | ERR_FATAL;
1769 fatal++;
1770 break;
1771 }
1772 }
1773
Willy Tarreau3842f002009-06-14 11:39:52 +02001774 /* check for keyword modifiers "no" and "default" */
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001775 if (strcmp(args[0], "no") == 0) {
William Lallemand0f99e342011-10-12 17:50:54 +02001776 char *tmp;
1777
Willy Tarreau3842f002009-06-14 11:39:52 +02001778 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02001779 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001780 for (arg=0; *args[arg+1]; arg++)
1781 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02001782 *tmp = '\0'; // fix the next arg to \0
1783 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001784 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001785 else if (strcmp(args[0], "default") == 0) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001786 kwm = KWM_DEF;
1787 for (arg=0; *args[arg+1]; arg++)
1788 args[arg] = args[arg+1]; // shift args after inversion
1789 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001790
William Dauchyec730982019-10-27 20:08:10 +01001791 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
1792 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
Willy Tarreaud96f1122019-12-03 07:07:36 +01001793 strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
1794 strcmp(args[0], "insecure-fork-wanted") != 0) {
William Dauchyec730982019-10-27 20:08:10 +01001795 ha_alert("parsing [%s:%d]: negation/default currently "
William Dauchy0fec3ab2019-10-27 20:08:11 +01001796 "supported only for options, log, busy-polling, "
Willy Tarreaud96f1122019-12-03 07:07:36 +01001797 "set-dumpable, strict-limits, and insecure-fork-wanted.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02001798 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001799 fatal++;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001800 }
1801
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001802 /* detect section start */
1803 list_for_each_entry(ics, &sections, list) {
1804 if (strcmp(args[0], ics->section_name) == 0) {
1805 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001806 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001807 cs = ics;
1808 break;
1809 }
Emeric Brun32da3c42010-09-23 18:39:19 +02001810 }
1811
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001812 if (pcs && pcs->post_section_parser) {
Willy Tarreau32234e72020-06-16 17:14:33 +02001813 int status;
1814
1815 status = pcs->post_section_parser();
1816 err_code |= status;
1817 if (status & ERR_FATAL)
1818 fatal++;
1819
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001820 if (err_code & ERR_ABORT)
1821 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001822 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001823 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001824
William Lallemandd2ff56d2017-10-16 11:06:50 +02001825 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001826 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001827 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001828 fatal++;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001829 } else {
Willy Tarreau32234e72020-06-16 17:14:33 +02001830 int status;
1831
1832 status = cs->section_parser(file, linenum, args, kwm);
1833 err_code |= status;
1834 if (status & ERR_FATAL)
1835 fatal++;
1836
William Lallemandd2ff56d2017-10-16 11:06:50 +02001837 if (err_code & ERR_ABORT)
1838 goto err;
1839 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001840 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02001841
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001842 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001843 ha_alert("parsing [%s:%d]: Missing LF on last line, file might have been truncated at position %d.\n",
1844 file, linenum, (missing_lf + 1));
1845 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001846 }
1847
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001848 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001849 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02001850
Willy Tarreau4b103022021-02-12 17:59:10 +01001851 if (nested_cond_lvl) {
1852 ha_alert("parsing [%s:%d]: non-terminated '.if' block.\n", file, linenum);
1853 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
1854 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02001855err:
Willy Tarreau61cfdf42021-02-20 10:46:51 +01001856 ha_free(&cfg_scope);
Willy Tarreau6daf3432008-01-22 16:44:08 +01001857 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02001858 free(thisline);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001859 free(outline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001860 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02001861 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001862}
1863
Willy Tarreau64ab6072014-09-16 12:17:36 +02001864/* This function propagates processes from frontend <from> to backend <to> so
1865 * that it is always guaranteed that a backend pointed to by a frontend is
1866 * bound to all of its processes. After that, if the target is a "listen"
1867 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02001868 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02001869 * checked first to ensure that <to> is already bound to all processes of
1870 * <from>, there is no risk of looping and we ensure to follow the shortest
1871 * path to the destination.
1872 *
1873 * It is possible to set <to> to NULL for the first call so that the function
1874 * takes care of visiting the initial frontend in <from>.
1875 *
1876 * It is important to note that the function relies on the fact that all names
1877 * have already been resolved.
1878 */
1879void propagate_processes(struct proxy *from, struct proxy *to)
1880{
1881 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001882
1883 if (to) {
1884 /* check whether we need to go down */
1885 if (from->bind_proc &&
1886 (from->bind_proc & to->bind_proc) == from->bind_proc)
1887 return;
1888
1889 if (!from->bind_proc && !to->bind_proc)
1890 return;
1891
1892 to->bind_proc = from->bind_proc ?
1893 (to->bind_proc | from->bind_proc) : 0;
1894
1895 /* now propagate down */
1896 from = to;
1897 }
1898
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01001899 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02001900 return;
1901
Willy Tarreauc3914d42020-09-24 08:39:22 +02001902 if (from->disabled)
Willy Tarreauf6b70012014-12-18 14:00:43 +01001903 return;
1904
Willy Tarreau64ab6072014-09-16 12:17:36 +02001905 /* default_backend */
1906 if (from->defbe.be)
1907 propagate_processes(from, from->defbe.be);
1908
1909 /* use_backend */
1910 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02001911 if (rule->dynamic)
1912 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001913 to = rule->be.backend;
1914 propagate_processes(from, to);
1915 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02001916}
1917
Willy Tarreaubb925012009-07-23 13:36:36 +02001918/*
1919 * Returns the error code, 0 if OK, or any combination of :
1920 * - ERR_ABORT: must abort ASAP
1921 * - ERR_FATAL: we can continue parsing but not start the service
1922 * - ERR_WARN: a warning has been emitted
1923 * - ERR_ALERT: an alert has been emitted
1924 * Only the two first ones can stop processing, the two others are just
1925 * indicators.
1926 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001927int check_config_validity()
1928{
1929 int cfgerr = 0;
1930 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001931 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001932 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02001933 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02001934 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001935 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01001936 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02001937 struct cfg_postparser *postparser;
Emeric Brun750fe792020-12-23 16:51:12 +01001938 struct resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001939
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001940 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001941 /*
1942 * Now, check for the integrity of all that we have collected.
1943 */
1944
1945 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02001946 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001947
Willy Tarreau193b8c62012-11-22 00:17:38 +01001948 if (!global.tune.max_http_hdr)
1949 global.tune.max_http_hdr = MAX_HTTP_HDR;
1950
1951 if (!global.tune.cookie_len)
1952 global.tune.cookie_len = CAPTURE_LEN;
1953
Stéphane Cottin23e9e932017-05-18 08:58:41 +02001954 if (!global.tune.requri_len)
1955 global.tune.requri_len = REQURI_LEN;
1956
Willy Tarreau149ab772019-01-26 14:27:06 +01001957 if (!global.nbthread) {
1958 /* nbthread not set, thus automatic. In this case, and only if
1959 * running on a single process, we enable the same number of
1960 * threads as the number of CPUs the process is bound to. This
1961 * allows to easily control the number of threads using taskset.
1962 */
1963 global.nbthread = 1;
1964#if defined(USE_THREAD)
1965 if (global.nbproc == 1)
1966 global.nbthread = thread_cpus_enabled_at_boot;
1967 all_threads_mask = nbits(global.nbthread);
1968#endif
1969 }
1970
Willy Tarreau26f6ae12019-02-02 12:56:15 +01001971 if (global.nbproc > 1 && global.nbthread > 1) {
1972 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
1973 err_code |= ERR_ALERT | ERR_FATAL;
1974 goto out;
1975 }
1976
Willy Tarreaubafbe012017-11-24 17:34:44 +01001977 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02001978
Willy Tarreaubafbe012017-11-24 17:34:44 +01001979 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01001980
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001981 /* Post initialisation of the users and groups lists. */
1982 err_code = userlist_postinit();
1983 if (err_code != ERR_NONE)
1984 goto out;
1985
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001986 /* first, we will invert the proxy list order */
1987 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001988 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001989 struct proxy *next;
1990
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001991 next = proxies_list->next;
1992 proxies_list->next = curproxy;
1993 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001994 if (!next)
1995 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001996 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01001997 }
1998
Olivier Houchardfbc74e82017-11-24 16:54:05 +01001999 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002000 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002001 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002002 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002003 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002004 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002005 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002006 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002007
Willy Tarreau050536d2012-10-04 08:47:34 +02002008 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002009 /* proxy ID not set, use automatic numbering with first
2010 * spare entry starting with next_pxid.
2011 */
2012 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2013 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2014 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002015 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002016 next_pxid++;
2017
Willy Tarreau55ea7572007-06-17 19:56:27 +02002018
Willy Tarreauc3914d42020-09-24 08:39:22 +02002019 if (curproxy->disabled) {
Willy Tarreau02b092f2020-10-07 18:36:54 +02002020 /* ensure we don't keep listeners uselessly bound. We
2021 * can't disable their listeners yet (fdtab not
2022 * allocated yet) but let's skip them.
2023 */
Dragan Dosen7d61a332019-05-07 14:16:18 +02002024 if (curproxy->table) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002025 ha_free(&curproxy->table->peers.name);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002026 curproxy->table->peers.p = NULL;
2027 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002028 continue;
2029 }
2030
Willy Tarreau102df612014-05-07 23:56:38 +02002031 /* Check multi-process mode compatibility for the current proxy */
2032
2033 if (curproxy->bind_proc) {
2034 /* an explicit bind-process was specified, let's check how many
2035 * processes remain.
2036 */
David Carliere6c39412015-07-02 07:00:17 +00002037 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002038
Willy Tarreaua38a7172019-02-02 17:11:28 +01002039 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002040 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002041 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 +02002042 curproxy->bind_proc = 1;
2043 }
2044 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002045 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 +02002046 curproxy->bind_proc = 0;
2047 }
2048 }
2049
Willy Tarreau3d209582014-05-09 17:06:11 +02002050 /* check and reduce the bind-proc of each listener */
2051 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2052 unsigned long mask;
2053
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002054 /* HTTP frontends with "h2" as ALPN/NPN will work in
2055 * HTTP/2 and absolutely require buffers 16kB or larger.
2056 */
2057#ifdef USE_OPENSSL
2058 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2059#ifdef OPENSSL_NPN_NEGOTIATED
2060 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002061 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002062 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",
2063 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002064 cfgerr++;
2065 }
2066#endif
2067#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2068 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002069 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002070 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",
2071 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002072 cfgerr++;
2073 }
2074#endif
2075 } /* HTTP && bufsize < 16384 */
2076#endif
2077
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002078 /* detect and address thread affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002079 mask = thread_mask(bind_conf->settings.bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002080 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002081 unsigned long new_mask = 0;
2082
2083 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002084 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002085 mask >>= global.nbthread;
2086 }
2087
Willy Tarreaue26993c2020-09-03 07:18:55 +02002088 bind_conf->settings.bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002089 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",
2090 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2091 }
2092
2093 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002094 mask = proc_mask(bind_conf->settings.bind_proc) & proc_mask(curproxy->bind_proc);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002095 if (!(mask & all_proc_mask)) {
2096 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02002097 nbproc = my_popcountl(bind_conf->settings.bind_proc);
2098 bind_conf->settings.bind_proc = proc_mask(bind_conf->settings.bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002099
Willy Tarreaue26993c2020-09-03 07:18:55 +02002100 if (!bind_conf->settings.bind_proc && nbproc == 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002101 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",
2102 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002103 bind_conf->settings.bind_proc = mask & ~(mask - 1);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002104 }
Willy Tarreaue26993c2020-09-03 07:18:55 +02002105 else if (!bind_conf->settings.bind_proc && nbproc > 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002106 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",
2107 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002108 bind_conf->settings.bind_proc = 0;
Willy Tarreaua36b3242019-02-02 13:14:34 +01002109 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002110 }
2111 }
2112
Willy Tarreauff01a212009-03-15 13:46:16 +01002113 switch (curproxy->mode) {
Willy Tarreauff01a212009-03-15 13:46:16 +01002114 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002115 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002116 break;
2117
2118 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002119 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002120 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002121
2122 case PR_MODE_CLI:
2123 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2124 break;
Emeric Brun54932b42020-07-07 09:43:24 +02002125 case PR_MODE_SYSLOG:
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002126 case PR_MODE_PEERS:
Emeric Brun54932b42020-07-07 09:43:24 +02002127 case PR_MODES:
2128 /* should not happen, bug gcc warn missing switch statement */
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002129 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 +02002130 proxy_type_str(curproxy), curproxy->id);
2131 cfgerr++;
2132 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002133 }
2134
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002135 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002136 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2137 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002138 err_code |= ERR_WARN;
2139 }
2140
Willy Tarreau77e0dae2020-10-14 15:44:27 +02002141 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002142 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002143 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002144 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2145 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002146 cfgerr++;
2147 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002148#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002149 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002150 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2151 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002152 cfgerr++;
2153 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002154#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002155 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002156 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2157 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002158 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002159 }
2160 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002161 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002162 /* If no LB algo is set in a backend, and we're not in
2163 * transparent mode, dispatch mode nor proxy mode, we
2164 * want to use balance roundrobin by default.
2165 */
2166 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2167 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002168 }
2169 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002170
Willy Tarreau1620ec32011-08-06 17:05:02 +02002171 if (curproxy->options & PR_O_DISPATCH)
2172 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2173 else if (curproxy->options & PR_O_HTTP_PROXY)
2174 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2175 else if (curproxy->options & PR_O_TRANSP)
2176 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002177
Christopher Faulete5870d82020-04-15 11:32:03 +02002178 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_HTTP_RS)) {
2179 ha_warning("config : %s '%s' uses http-check rules without 'option httpchk', so the rules are ignored.\n",
2180 proxy_type_str(curproxy), curproxy->id);
2181 err_code |= ERR_WARN;
2182 }
2183
2184 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_TCPCHK_CHK &&
Christopher Fauletc0fcbe42020-06-03 19:00:42 +02002185 (curproxy->tcpcheck_rules.flags & TCPCHK_RULES_PROTO_CHK) != TCPCHK_RULES_HTTP_CHK) {
Willy Tarreau1620ec32011-08-06 17:05:02 +02002186 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002187 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2188 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002189 err_code |= ERR_WARN;
2190 curproxy->options &= ~PR_O_DISABLE404;
2191 }
2192 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002193 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2194 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002195 err_code |= ERR_WARN;
2196 curproxy->options &= ~PR_O2_CHK_SNDST;
2197 }
Willy Tarreauef781042010-01-27 11:53:01 +01002198 }
2199
Simon Horman98637e52014-06-20 12:30:16 +09002200 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2201 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002202 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2203 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002204 cfgerr++;
2205 }
2206 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002207 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2208 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002209 cfgerr++;
2210 }
Willy Tarreaud96f1122019-12-03 07:07:36 +01002211 if (!(global.tune.options & GTUNE_INSECURE_FORK)) {
2212 ha_warning("Proxy '%s' : 'insecure-fork-wanted' not enabled in the global section, '%s' will likely fail.\n",
2213 curproxy->id, "option external-check");
2214 err_code |= ERR_WARN;
2215 }
Simon Horman98637e52014-06-20 12:30:16 +09002216 }
2217
Simon Horman64e34162015-02-06 11:11:57 +09002218 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002219 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002220 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2221 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2222 "'email-alert myhostname', or 'email-alert to' "
2223 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2224 "to be present).\n",
2225 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002226 err_code |= ERR_WARN;
2227 free_email_alert(curproxy);
2228 }
2229 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002230 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002231 }
2232
Simon Horman98637e52014-06-20 12:30:16 +09002233 if (curproxy->check_command) {
2234 int clear = 0;
2235 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002236 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2237 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002238 err_code |= ERR_WARN;
2239 clear = 1;
2240 }
2241 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002242 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2243 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002244 cfgerr++;
2245 }
2246 if (clear) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002247 ha_free(&curproxy->check_command);
Simon Horman98637e52014-06-20 12:30:16 +09002248 }
2249 }
2250
2251 if (curproxy->check_path) {
2252 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002253 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2254 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002255 err_code |= ERR_WARN;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002256 ha_free(&curproxy->check_path);
Simon Horman98637e52014-06-20 12:30:16 +09002257 }
2258 }
2259
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002260 /* if a default backend was specified, let's find it */
2261 if (curproxy->defbe.name) {
2262 struct proxy *target;
2263
Willy Tarreauafb39922015-05-26 12:04:09 +02002264 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002265 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002266 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2267 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002268 cfgerr++;
2269 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002270 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2271 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002272 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002273 } else if (target->mode != curproxy->mode &&
2274 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2275
Christopher Faulet767a84b2017-11-24 16:50:31 +01002276 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2277 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2278 curproxy->conf.file, curproxy->conf.line,
2279 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2280 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002281 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002282 } else {
2283 free(curproxy->defbe.name);
2284 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002285 /* Emit a warning if this proxy also has some servers */
2286 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002287 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2288 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002289 err_code |= ERR_WARN;
2290 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002291 }
2292 }
2293
Willy Tarreau55ea7572007-06-17 19:56:27 +02002294 /* find the target proxy for 'use_backend' rules */
2295 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002296 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002297 struct logformat_node *node;
2298 char *pxname;
2299
2300 /* Try to parse the string as a log format expression. If the result
2301 * of the parsing is only one entry containing a simple string, then
2302 * it's a standard string corresponding to a static rule, thus the
2303 * parsing is cancelled and be.name is restored to be resolved.
2304 */
2305 pxname = rule->be.name;
2306 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002307 curproxy->conf.args.ctx = ARGC_UBK;
2308 curproxy->conf.args.file = rule->file;
2309 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002310 err = NULL;
2311 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002312 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2313 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002314 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002315 cfgerr++;
2316 continue;
2317 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002318 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2319
2320 if (!LIST_ISEMPTY(&rule->be.expr)) {
2321 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2322 rule->dynamic = 1;
2323 free(pxname);
2324 continue;
2325 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002326 /* Only one element in the list, a simple string: free the expression and
2327 * fall back to static rule
2328 */
2329 LIST_DEL(&node->list);
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002330 free(node->arg);
2331 free(node);
2332 }
2333
2334 rule->dynamic = 0;
2335 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002336
Willy Tarreauafb39922015-05-26 12:04:09 +02002337 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002338 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002339 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2340 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002341 cfgerr++;
2342 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002343 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2344 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002345 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002346 } else if (target->mode != curproxy->mode &&
2347 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2348
Christopher Faulet767a84b2017-11-24 16:50:31 +01002349 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2350 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2351 curproxy->conf.file, curproxy->conf.line,
2352 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2353 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002354 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002355 } else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002356 ha_free(&rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002357 rule->be.backend = target;
2358 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002359 }
2360
Willy Tarreau64ab6072014-09-16 12:17:36 +02002361 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002362 list_for_each_entry(srule, &curproxy->server_rules, list) {
Jerome Magnin824186b2020-03-29 09:37:12 +02002363 struct server *target;
2364 struct logformat_node *node;
2365 char *server_name;
2366
2367 /* We try to parse the string as a log format expression. If the result of the parsing
2368 * is only one entry containing a single string, then it's a standard string corresponding
2369 * to a static rule, thus the parsing is cancelled and we fall back to setting srv.ptr.
2370 */
2371 server_name = srule->srv.name;
2372 LIST_INIT(&srule->expr);
2373 curproxy->conf.args.ctx = ARGC_USRV;
2374 err = NULL;
2375 if (!parse_logformat_string(server_name, curproxy, &srule->expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
2376 ha_alert("Parsing [%s:%d]; use-server rule failed to parse log-format '%s' : %s.\n",
2377 srule->file, srule->line, server_name, err);
2378 free(err);
2379 cfgerr++;
2380 continue;
2381 }
2382 node = LIST_NEXT(&srule->expr, struct logformat_node *, list);
2383
2384 if (!LIST_ISEMPTY(&srule->expr)) {
2385 if (node->type != LOG_FMT_TEXT || node->list.n != &srule->expr) {
2386 srule->dynamic = 1;
2387 free(server_name);
2388 continue;
2389 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002390 /* Only one element in the list, a simple string: free the expression and
2391 * fall back to static rule
2392 */
2393 LIST_DEL(&node->list);
Jerome Magnin824186b2020-03-29 09:37:12 +02002394 free(node->arg);
2395 free(node);
2396 }
2397
2398 srule->dynamic = 0;
2399 srule->srv.name = server_name;
2400 target = findserver(curproxy, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002401
2402 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002403 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2404 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002405 cfgerr++;
2406 continue;
2407 }
Willy Tarreau35cd7342021-02-26 20:51:47 +01002408 ha_free(&srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002409 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002410 }
2411
Emeric Brunb982a3d2010-01-04 15:45:53 +01002412 /* find the target table for 'stick' rules */
2413 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002414 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002415
Emeric Brun1d33b292010-01-04 15:47:17 +01002416 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2417 if (mrule->flags & STK_IS_STORE)
2418 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2419
Emeric Brunb982a3d2010-01-04 15:45:53 +01002420 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002421 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002422 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002423 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002424
2425 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002426 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002427 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002428 cfgerr++;
2429 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002430 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002431 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2432 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002433 cfgerr++;
2434 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002435 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002436 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2437 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002438 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002439 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002440 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002441 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002442 mrule->table.t = target;
2443 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07002444 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002445 if (!in_proxies_list(target->proxies_list, curproxy)) {
2446 curproxy->next_stkt_ref = target->proxies_list;
2447 target->proxies_list = curproxy;
2448 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002449 }
2450 }
2451
2452 /* find the target table for 'store response' rules */
2453 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002454 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002455
Emeric Brun1d33b292010-01-04 15:47:17 +01002456 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2457
Emeric Brunb982a3d2010-01-04 15:45:53 +01002458 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002459 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002460 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002461 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002462
2463 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002464 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01002465 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002466 cfgerr++;
2467 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002468 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002469 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2470 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002471 cfgerr++;
2472 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002473 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002474 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2475 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002476 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002477 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002478 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002479 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002480 mrule->table.t = target;
2481 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07002482 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02002483 if (!in_proxies_list(target->proxies_list, curproxy)) {
2484 curproxy->next_stkt_ref = target->proxies_list;
2485 target->proxies_list = curproxy;
2486 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002487 }
2488 }
2489
Christopher Faulete4e830d2017-09-18 14:51:41 +02002490 /* check validity for 'tcp-request' layer 4 rules */
2491 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2492 err = NULL;
2493 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002494 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002495 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002496 cfgerr++;
2497 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002498 }
2499
Christopher Faulete4e830d2017-09-18 14:51:41 +02002500 /* check validity for 'tcp-request' layer 5 rules */
2501 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2502 err = NULL;
2503 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002504 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002505 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002506 cfgerr++;
2507 }
2508 }
2509
Christopher Faulete4e830d2017-09-18 14:51:41 +02002510 /* check validity for 'tcp-request' layer 6 rules */
2511 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2512 err = NULL;
2513 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002514 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002515 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002516 cfgerr++;
2517 }
2518 }
2519
Christopher Faulete4e830d2017-09-18 14:51:41 +02002520 /* check validity for 'http-request' layer 7 rules */
2521 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2522 err = NULL;
2523 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002524 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002525 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002526 cfgerr++;
2527 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002528 }
2529
Christopher Faulete4e830d2017-09-18 14:51:41 +02002530 /* check validity for 'http-response' layer 7 rules */
2531 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2532 err = NULL;
2533 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002534 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002535 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002536 cfgerr++;
2537 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002538 }
2539
Christopher Faulet6d0c3df2020-01-22 09:26:35 +01002540 /* check validity for 'http-after-response' layer 7 rules */
2541 list_for_each_entry(arule, &curproxy->http_after_res_rules, list) {
2542 err = NULL;
2543 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
2544 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
2545 free(err);
2546 cfgerr++;
2547 }
2548 }
2549
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002550 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002551 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002552
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002553 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002554 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002555 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002556 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002557 break;
2558 }
2559 }
2560
2561 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002562 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002563 curproxy->id, curproxy->table->peers.name);
Willy Tarreau35cd7342021-02-26 20:51:47 +01002564 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002565 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002566 cfgerr++;
2567 }
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02002568 else if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002569 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002570 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002571 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002572 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002573 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2574 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002575 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002576 cfgerr++;
2577 }
2578 }
2579
Simon Horman9dc49962015-01-30 11:22:59 +09002580
2581 if (curproxy->email_alert.mailers.name) {
2582 struct mailers *curmailers = mailers;
2583
2584 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01002585 if (strcmp(curmailers->id, curproxy->email_alert.mailers.name) == 0)
Simon Horman9dc49962015-01-30 11:22:59 +09002586 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002587 }
Simon Horman9dc49962015-01-30 11:22:59 +09002588 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002589 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2590 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002591 free_email_alert(curproxy);
2592 cfgerr++;
2593 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002594 else {
2595 err = NULL;
2596 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002597 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002598 free(err);
2599 cfgerr++;
2600 }
2601 }
Simon Horman9dc49962015-01-30 11:22:59 +09002602 }
2603
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002604 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & STAT_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002605 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002606 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002607 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2608 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002609 cfgerr++;
2610 goto out_uri_auth_compat;
2611 }
2612
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002613 if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002614 (!(curproxy->uri_auth->flags & STAT_CONVDONE) ||
Willy Tarreauee4f5f82019-10-09 09:59:22 +02002615 LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002616 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002617 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002618 int i = 0;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002619 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2620 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002621
2622 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002623 uri_auth_compat_req[i++] = "realm";
2624 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2625 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002626
Willy Tarreau95fa4692010-02-01 13:05:50 +01002627 uri_auth_compat_req[i++] = "unless";
2628 uri_auth_compat_req[i++] = "{";
2629 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2630 uri_auth_compat_req[i++] = "}";
2631 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002632
Willy Tarreauff011f22011-01-06 17:51:27 +01002633 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2634 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002635 cfgerr++;
2636 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002637 }
2638
Willy Tarreauff011f22011-01-06 17:51:27 +01002639 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002640
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002641 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002642 ha_free(&curproxy->uri_auth->auth_realm);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002643 }
Willy Tarreau5bbc6762021-02-12 11:49:25 +01002644 curproxy->uri_auth->flags |= STAT_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002645 }
2646out_uri_auth_compat:
2647
Dragan Dosen43885c72015-10-01 13:18:13 +02002648 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002649 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002650 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2651 if (!curproxy->conf.logformat_sd_string) {
2652 /* set the default logformat_sd_string */
2653 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2654 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002655 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002656 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002657 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002658
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002659 /* compile the log format */
2660 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002661 if (curproxy->conf.logformat_string != default_http_log_format &&
2662 curproxy->conf.logformat_string != default_tcp_log_format &&
2663 curproxy->conf.logformat_string != clf_http_log_format)
2664 free(curproxy->conf.logformat_string);
2665 curproxy->conf.logformat_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002666 ha_free(&curproxy->conf.lfs_file);
Willy Tarreau62a61232013-04-12 18:13:46 +02002667 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002668
2669 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2670 free(curproxy->conf.logformat_sd_string);
2671 curproxy->conf.logformat_sd_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002672 ha_free(&curproxy->conf.lfsd_file);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002673 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002674 }
2675
Willy Tarreau62a61232013-04-12 18:13:46 +02002676 if (curproxy->conf.logformat_string) {
2677 curproxy->conf.args.ctx = ARGC_LOG;
2678 curproxy->conf.args.file = curproxy->conf.lfs_file;
2679 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002680 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002681 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat,
2682 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002683 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002684 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2685 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002686 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002687 cfgerr++;
2688 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002689 curproxy->conf.args.file = NULL;
2690 curproxy->conf.args.line = 0;
2691 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002692
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002693 if (curproxy->conf.logformat_sd_string) {
2694 curproxy->conf.args.ctx = ARGC_LOGSD;
2695 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2696 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002697 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002698 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd,
2699 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002700 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002701 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2702 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002703 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002704 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002705 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002706 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2707 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002708 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002709 cfgerr++;
2710 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002711 curproxy->conf.args.file = NULL;
2712 curproxy->conf.args.line = 0;
2713 }
2714
Willy Tarreau62a61232013-04-12 18:13:46 +02002715 if (curproxy->conf.uniqueid_format_string) {
2716 curproxy->conf.args.ctx = ARGC_UIF;
2717 curproxy->conf.args.file = curproxy->conf.uif_file;
2718 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002719 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02002720 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id,
2721 LOG_OPT_HTTP|LOG_OPT_MERGE_SPACES,
2722 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR
2723 : SMP_VAL_BE_HRQ_HDR,
2724 &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002725 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2726 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002727 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002728 cfgerr++;
2729 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002730 curproxy->conf.args.file = NULL;
2731 curproxy->conf.args.line = 0;
2732 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002733
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002734 /* only now we can check if some args remain unresolved.
2735 * This must be done after the users and groups resolution.
2736 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002737 cfgerr += smp_resolve_args(curproxy);
2738 if (!cfgerr)
2739 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002740
Willy Tarreau2738a142006-07-08 17:28:09 +02002741 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002742 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002743 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002744 (!curproxy->timeout.connect ||
2745 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002746 ha_warning("config : missing timeouts for %s '%s'.\n"
2747 " | While not properly invalid, you will certainly encounter various problems\n"
2748 " | with such a configuration. To fix this, please ensure that all following\n"
2749 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2750 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002751 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002752 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002753
Willy Tarreau1fa31262007-12-03 00:36:16 +01002754 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2755 * We must still support older configurations, so let's find out whether those
2756 * parameters have been set or must be copied from contimeouts.
2757 */
Willy Tarreau937c3ea2021-02-12 11:14:35 +01002758 if (!curproxy->timeout.tarpit)
2759 curproxy->timeout.tarpit = curproxy->timeout.connect;
2760 if ((curproxy->cap & PR_CAP_BE) && !curproxy->timeout.queue)
2761 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002762
Christopher Faulete5870d82020-04-15 11:32:03 +02002763 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_TCP_RS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002764 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
2765 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02002766 err_code |= ERR_WARN;
2767 }
2768
Willy Tarreau193b8c62012-11-22 00:17:38 +01002769 /* ensure that cookie capture length is not too large */
2770 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002771 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
2772 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002773 err_code |= ERR_WARN;
2774 curproxy->capture_len = global.tune.cookie_len - 1;
2775 }
2776
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002777 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01002778 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002779 curproxy->req_cap_pool = create_pool("ptrcap",
2780 curproxy->nb_req_cap * sizeof(char *),
2781 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002782 }
2783
2784 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002785 curproxy->rsp_cap_pool = create_pool("ptrcap",
2786 curproxy->nb_rsp_cap * sizeof(char *),
2787 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002788 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002789
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002790 switch (curproxy->load_server_state_from_file) {
2791 case PR_SRV_STATE_FILE_UNSPEC:
2792 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
2793 break;
2794 case PR_SRV_STATE_FILE_GLOBAL:
2795 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002796 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",
2797 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002798 err_code |= ERR_WARN;
2799 }
2800 break;
2801 }
2802
Willy Tarreaubaaee002006-06-26 02:48:02 +02002803 /* first, we will invert the servers list order */
2804 newsrv = NULL;
2805 while (curproxy->srv) {
2806 struct server *next;
2807
2808 next = curproxy->srv->next;
2809 curproxy->srv->next = newsrv;
2810 newsrv = curproxy->srv;
2811 if (!next)
2812 break;
2813 curproxy->srv = next;
2814 }
2815
Willy Tarreau17edc812014-01-03 12:14:34 +01002816 /* Check that no server name conflicts. This causes trouble in the stats.
2817 * We only emit a warning for the first conflict affecting each server,
2818 * in order to avoid combinatory explosion if all servers have the same
2819 * name. We do that only for servers which do not have an explicit ID,
2820 * because these IDs were made also for distinguishing them and we don't
2821 * want to annoy people who correctly manage them.
2822 */
2823 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
2824 struct server *other_srv;
2825
2826 if (newsrv->puid)
2827 continue;
2828
2829 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
2830 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02002831 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 +01002832 newsrv->conf.file, newsrv->conf.line,
2833 proxy_type_str(curproxy), curproxy->id,
2834 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02002835 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01002836 break;
2837 }
2838 }
2839 }
2840
Willy Tarreaudd701652010-05-25 23:03:02 +02002841 /* assign automatic UIDs to servers which don't have one yet */
2842 next_id = 1;
2843 newsrv = curproxy->srv;
2844 while (newsrv != NULL) {
2845 if (!newsrv->puid) {
2846 /* server ID not set, use automatic numbering with first
2847 * spare entry starting with next_svid.
2848 */
2849 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
2850 newsrv->conf.id.key = newsrv->puid = next_id;
2851 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02002852 newsrv->conf.name.key = newsrv->id;
2853 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02002854 }
2855 next_id++;
2856 newsrv = newsrv->next;
2857 }
2858
Willy Tarreau20697042007-11-15 23:26:18 +01002859 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01002860 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002861
Willy Tarreau62c3be22012-01-20 13:12:32 +01002862 /*
2863 * If this server supports a maxconn parameter, it needs a dedicated
2864 * tasks to fill the emptied slots when a connection leaves.
2865 * Also, resolve deferred tracking dependency if needed.
2866 */
2867 newsrv = curproxy->srv;
2868 while (newsrv != NULL) {
2869 if (newsrv->minconn > newsrv->maxconn) {
2870 /* Only 'minconn' was specified, or it was higher than or equal
2871 * to 'maxconn'. Let's turn this into maxconn and clean it, as
2872 * this will avoid further useless expensive computations.
2873 */
2874 newsrv->maxconn = newsrv->minconn;
2875 } else if (newsrv->maxconn && !newsrv->minconn) {
2876 /* minconn was not specified, so we set it to maxconn */
2877 newsrv->minconn = newsrv->maxconn;
2878 }
2879
William Dauchyf6370442020-11-14 19:25:33 +01002880 /* this will also properly set the transport layer for
2881 * prod and checks
2882 * if default-server have use_ssl, prerare ssl init
2883 * without activating it */
2884 if (newsrv->use_ssl == 1 || newsrv->check.use_ssl == 1 ||
2885 (newsrv->proxy->options & PR_O_TCPCHK_SSL) ||
2886 (newsrv->use_ssl != 1 && curproxy->defsrv.use_ssl == 1)) {
Willy Tarreau17d45382016-12-22 21:16:08 +01002887 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
2888 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
2889 }
Emeric Brun94324a42012-10-11 14:00:19 +02002890
Willy Tarreau034c88c2017-01-23 23:36:45 +01002891 if ((newsrv->flags & SRV_F_FASTOPEN) &&
2892 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
2893 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
2894 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",
2895 newsrv->conf.file, newsrv->conf.line,
2896 proxy_type_str(curproxy), curproxy->id,
2897 newsrv->id);
2898
Willy Tarreau62c3be22012-01-20 13:12:32 +01002899 if (newsrv->trackit) {
2900 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02002901 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01002902 char *pname, *sname;
2903
2904 pname = newsrv->trackit;
2905 sname = strrchr(pname, '/');
2906
2907 if (sname)
2908 *sname++ = '\0';
2909 else {
2910 sname = pname;
2911 pname = NULL;
2912 }
2913
2914 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002915 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002916 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002917 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
2918 proxy_type_str(curproxy), curproxy->id,
2919 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002920 cfgerr++;
2921 goto next_srv;
2922 }
2923 } else
2924 px = curproxy;
2925
2926 srv = findserver(px, sname);
2927 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002928 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
2929 proxy_type_str(curproxy), curproxy->id,
2930 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002931 cfgerr++;
2932 goto next_srv;
2933 }
2934
Christopher Faulet8892e5d2020-03-26 19:48:20 +01002935 if (!srv->do_check && !srv->do_agent && !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002936 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
2937 "tracking as it does not have any check nor agent enabled.\n",
2938 proxy_type_str(curproxy), curproxy->id,
2939 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02002940 cfgerr++;
2941 goto next_srv;
2942 }
2943
2944 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
2945
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01002946 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002947 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
2948 "belongs to a tracking chain looping back to %s/%s.\n",
2949 proxy_type_str(curproxy), curproxy->id,
2950 newsrv->id, px->id, srv->id, px->id,
2951 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002952 cfgerr++;
2953 goto next_srv;
2954 }
2955
2956 if (curproxy != px &&
2957 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002958 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
2959 "tracking: disable-on-404 option inconsistency.\n",
2960 proxy_type_str(curproxy), curproxy->id,
2961 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002962 cfgerr++;
2963 goto next_srv;
2964 }
2965
Willy Tarreau62c3be22012-01-20 13:12:32 +01002966 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01002967 newsrv->tracknext = srv->trackers;
2968 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01002969
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002970 ha_free(&newsrv->trackit);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002971 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02002972
Willy Tarreau62c3be22012-01-20 13:12:32 +01002973 next_srv:
2974 newsrv = newsrv->next;
2975 }
2976
Olivier Houchard4e694042017-03-14 20:01:29 +01002977 /*
2978 * Try to generate dynamic cookies for servers now.
2979 * It couldn't be done earlier, since at the time we parsed
2980 * the server line, we may not have known yet that we
2981 * should use dynamic cookies, or the secret key may not
2982 * have been provided yet.
2983 */
2984 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
2985 newsrv = curproxy->srv;
2986 while (newsrv != NULL) {
2987 srv_set_dyncookie(newsrv);
2988 newsrv = newsrv->next;
2989 }
2990
2991 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002992 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08002993 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002994 */
2995
2996 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
2997 switch (curproxy->lbprm.algo & BE_LB_KIND) {
2998 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02002999 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3000 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3001 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003002 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3003 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3004 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003005 } else {
3006 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3007 fwrr_init_server_groups(curproxy);
3008 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003009 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003010
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003011 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003012 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3013 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3014 fwlc_init_server_tree(curproxy);
3015 } else {
3016 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3017 fas_init_server_tree(curproxy);
3018 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003019 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003020
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003021 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003022 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3023 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3024 chash_init_server_tree(curproxy);
3025 } else {
3026 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3027 init_server_map(curproxy);
3028 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003029 break;
3030 }
Willy Tarreaucd10def2020-10-17 18:48:47 +02003031 HA_RWLOCK_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003032
3033 if (curproxy->options & PR_O_LOGASAP)
3034 curproxy->to_log &= ~LW_BYTES;
3035
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003036 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003037 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3038 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003039 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3040 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003041 err_code |= ERR_WARN;
3042 }
3043
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003044 if (curproxy->mode != PR_MODE_HTTP) {
3045 int optnum;
3046
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003047 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003048 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3049 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003050 err_code |= ERR_WARN;
3051 curproxy->uri_auth = NULL;
3052 }
3053
Willy Tarreaude7dc882017-03-10 11:49:21 +01003054 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003055 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3056 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003057 err_code |= ERR_WARN;
3058 }
3059
3060 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003061 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3062 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003063 err_code |= ERR_WARN;
3064 }
3065
3066 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003067 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3068 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003069 err_code |= ERR_WARN;
3070 }
3071
Willy Tarreaude7dc882017-03-10 11:49:21 +01003072 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003073 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3074 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003075 err_code |= ERR_WARN;
3076 }
3077
Willy Tarreau87cf5142011-08-19 22:57:24 +02003078 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003079 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3080 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003081 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003082 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003083 }
3084
3085 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003086 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3087 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003088 err_code |= ERR_WARN;
3089 curproxy->options &= ~PR_O_ORGTO;
3090 }
3091
3092 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3093 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3094 (curproxy->cap & cfg_opts[optnum].cap) &&
3095 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003096 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3097 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003098 err_code |= ERR_WARN;
3099 curproxy->options &= ~cfg_opts[optnum].val;
3100 }
3101 }
3102
3103 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3104 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3105 (curproxy->cap & cfg_opts2[optnum].cap) &&
3106 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003107 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3108 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003109 err_code |= ERR_WARN;
3110 curproxy->options2 &= ~cfg_opts2[optnum].val;
3111 }
3112 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003113
Willy Tarreau29fbe512015-08-20 19:35:14 +02003114#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003115 if (curproxy->conn_src.bind_hdr_occ) {
3116 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003117 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3118 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003119 err_code |= ERR_WARN;
3120 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003121#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003122 }
3123
Willy Tarreaubaaee002006-06-26 02:48:02 +02003124 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003125 * ensure that we're not cross-dressing a TCP server into HTTP.
3126 */
3127 newsrv = curproxy->srv;
3128 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003129 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003130 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3131 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003132 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003133 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003134
Willy Tarreau0cec3312011-10-31 13:49:26 +01003135 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003136 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3137 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003138 err_code |= ERR_WARN;
3139 }
3140
Willy Tarreauc93cd162014-05-13 15:54:22 +02003141 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003142 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3143 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003144 err_code |= ERR_WARN;
3145 }
3146
Willy Tarreau29fbe512015-08-20 19:35:14 +02003147#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003148 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3149 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003150 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3151 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003152 err_code |= ERR_WARN;
3153 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003154#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003155
Willy Tarreau46deab62018-04-28 07:18:15 +02003156 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3157 curproxy->options &= ~PR_O_REUSE_MASK;
3158
Willy Tarreau21d2af32008-02-14 20:25:24 +01003159 newsrv = newsrv->next;
3160 }
3161
Christopher Fauletd7c91962015-04-30 11:48:27 +02003162 /* Check filter configuration, if any */
3163 cfgerr += flt_check(curproxy);
3164
Willy Tarreauc1a21672009-08-16 22:37:44 +02003165 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003166 if (!curproxy->accept)
3167 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003168
Willy Tarreauc1a21672009-08-16 22:37:44 +02003169 if (curproxy->tcp_req.inspect_delay ||
3170 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003171 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003172
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003173 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003174 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003175 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003176 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003177
William Lallemandcf62f7e2018-10-26 14:47:40 +02003178 if (curproxy->mode == PR_MODE_CLI) {
3179 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3180 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3181 }
3182
Willy Tarreauc1a21672009-08-16 22:37:44 +02003183 /* both TCP and HTTP must check switching rules */
3184 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003185
3186 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003187 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003188 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3189 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 +01003190 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003191 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3192 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003193 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003194 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003195 }
3196
3197 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003198 if (curproxy->tcp_req.inspect_delay ||
3199 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3200 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3201
Emeric Brun97679e72010-09-23 17:56:44 +02003202 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3203 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3204
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003205 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003206 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003207 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003208 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003209
3210 /* If the backend does requires RDP cookie persistence, we have to
3211 * enable the corresponding analyser.
3212 */
3213 if (curproxy->options2 & PR_O2_RDPC_PRST)
3214 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003215
3216 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003217 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003218 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3219 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 +01003220 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003221 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3222 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003223 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003224 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003225 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003226
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003227 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003228 * attached to the current proxy */
3229 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3230 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003231 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003232
3233 if (!bind_conf->mux_proto)
3234 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003235
3236 /* it is possible that an incorrect mux was referenced
3237 * due to the proxy's mode not being taken into account
3238 * on first pass. Let's adjust it now.
3239 */
3240 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3241
3242 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003243 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3244 proxy_type_str(curproxy), curproxy->id,
3245 (int)bind_conf->mux_proto->token.len,
3246 bind_conf->mux_proto->token.ptr,
3247 bind_conf->arg, bind_conf->file, bind_conf->line);
3248 cfgerr++;
3249 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003250
3251 /* update the mux */
3252 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003253 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003254 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3255 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003256 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003257
3258 if (!newsrv->mux_proto)
3259 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003260
3261 /* it is possible that an incorrect mux was referenced
3262 * due to the proxy's mode not being taken into account
3263 * on first pass. Let's adjust it now.
3264 */
3265 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3266
3267 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003268 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3269 proxy_type_str(curproxy), curproxy->id,
3270 (int)newsrv->mux_proto->token.len,
3271 newsrv->mux_proto->token.ptr,
3272 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3273 cfgerr++;
3274 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003275
3276 /* update the mux */
3277 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003278 }
Willy Tarreau4cdac162021-03-05 10:48:42 +01003279 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003280
Willy Tarreau4cdac162021-03-05 10:48:42 +01003281 /***********************************************************/
3282 /* At this point, target names have already been resolved. */
3283 /***********************************************************/
Willy Tarreau835daa12019-02-07 14:46:29 +01003284
Willy Tarreau4cdac162021-03-05 10:48:42 +01003285 /* we must finish to initialize certain things on the servers */
Willy Tarreau835daa12019-02-07 14:46:29 +01003286
Willy Tarreau4cdac162021-03-05 10:48:42 +01003287 list_for_each_entry(newsrv, &servers_list, global_list) {
3288 /* initialize idle conns lists */
3289 int i;
Willy Tarreau980855b2019-02-07 14:59:29 +01003290
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003291 newsrv->per_thr = calloc(global.nbthread, sizeof(*newsrv->per_thr));
3292 if (!newsrv->per_thr) {
3293 ha_alert("parsing [%s:%d] : failed to allocate per-thread lists for server '%s'.\n",
3294 newsrv->conf.file, newsrv->conf.line, newsrv->id);
Willy Tarreau4cdac162021-03-05 10:48:42 +01003295 cfgerr++;
3296 continue;
3297 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003298
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003299 for (i = 0; i < global.nbthread; i++) {
3300 newsrv->per_thr[i].idle_conns = EB_ROOT;
3301 newsrv->per_thr[i].safe_conns = EB_ROOT;
3302 newsrv->per_thr[i].avail_conns = EB_ROOT;
Willy Tarreaud4e78d82021-03-04 10:47:54 +01003303 MT_LIST_INIT(&newsrv->per_thr[i].streams);
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003304 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003305
Willy Tarreau4cdac162021-03-05 10:48:42 +01003306 if (newsrv->max_idle_conns != 0) {
3307 if (idle_conn_task == NULL) {
3308 idle_conn_task = task_new(MAX_THREADS_MASK);
3309 if (!idle_conn_task)
3310 goto err;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003311
Willy Tarreau4cdac162021-03-05 10:48:42 +01003312 idle_conn_task->process = srv_cleanup_idle_conns;
3313 idle_conn_task->context = NULL;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003314
Willy Tarreau4cdac162021-03-05 10:48:42 +01003315 for (i = 0; i < global.nbthread; i++) {
3316 idle_conns[i].cleanup_task = task_new(1UL << i);
3317 if (!idle_conns[i].cleanup_task)
3318 goto err;
3319 idle_conns[i].cleanup_task->process = srv_cleanup_toremove_conns;
3320 idle_conns[i].cleanup_task->context = NULL;
3321 HA_SPIN_INIT(&idle_conns[i].idle_conns_lock);
3322 MT_LIST_INIT(&idle_conns[i].toremove_conns);
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003323 }
Willy Tarreau4cdac162021-03-05 10:48:42 +01003324 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003325
Willy Tarreau4cdac162021-03-05 10:48:42 +01003326 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
3327 if (!newsrv->curr_idle_thr)
3328 goto err;
3329 continue;
3330 err:
3331 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3332 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3333 cfgerr++;
3334 continue;
Willy Tarreau835daa12019-02-07 14:46:29 +01003335 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003336 }
3337
Willy Tarreau419ead82014-09-16 13:41:21 +02003338
3339 /* Check multi-process mode compatibility */
3340
3341 if (global.nbproc > 1 && global.stats_fe) {
3342 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3343 unsigned long mask;
3344
Willy Tarreau6daac192019-02-02 17:39:53 +01003345 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02003346 mask &= proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003347
3348 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003349 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003350 break;
3351 }
3352 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003353 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 +02003354 }
3355 }
3356
3357 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003358 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003359 if (curproxy->bind_proc)
3360 continue;
3361
3362 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3363 unsigned long mask;
3364
Willy Tarreaue26993c2020-09-03 07:18:55 +02003365 mask = proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003366 curproxy->bind_proc |= mask;
3367 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003368 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003369 }
3370
3371 if (global.stats_fe) {
3372 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3373 unsigned long mask;
3374
Willy Tarreaue26993c2020-09-03 07:18:55 +02003375 mask = bind_conf->settings.bind_proc ? bind_conf->settings.bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003376 global.stats_fe->bind_proc |= mask;
3377 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003378 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003379 }
3380
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003381 /* propagate bindings from frontends to backends. Don't do it if there
3382 * are any fatal errors as we must not call it with unresolved proxies.
3383 */
3384 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003385 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003386 if (curproxy->cap & PR_CAP_FE)
3387 propagate_processes(curproxy, NULL);
3388 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003389 }
3390
3391 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003392 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3393 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003394
3395 /*******************************************************/
3396 /* At this step, all proxies have a non-null bind_proc */
3397 /*******************************************************/
3398
3399 /* perform the final checks before creating tasks */
3400
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003401 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003402 struct listener *listener;
3403 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003404
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003405 /* Configure SSL for each bind line.
3406 * Note: if configuration fails at some point, the ->ctx member
3407 * remains NULL so that listeners can later detach.
3408 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003409 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003410 if (bind_conf->xprt->prepare_bind_conf &&
3411 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003412 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003413 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003414
Willy Tarreaue6b98942007-10-29 01:09:36 +01003415 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003416 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003417 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003418 int nbproc;
3419
3420 nbproc = my_popcountl(curproxy->bind_proc &
Willy Tarreaue26993c2020-09-03 07:18:55 +02003421 (listener->bind_conf->settings.bind_proc ? listener->bind_conf->settings.bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003422 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003423
3424 if (!nbproc) /* no intersection between listener and frontend */
3425 nbproc = 1;
3426
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003427 if (!listener->luid) {
3428 /* listener ID not set, use automatic numbering with first
3429 * spare entry starting with next_luid.
3430 */
3431 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3432 listener->conf.id.key = listener->luid = next_id;
3433 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003434 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003435 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003436
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003437 /* enable separate counters */
3438 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003439 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003440 if (!listener->name)
3441 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003442 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003443
Willy Tarreaue6b98942007-10-29 01:09:36 +01003444 if (curproxy->options & PR_O_TCP_NOLING)
3445 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003446 if (!listener->maxaccept)
Willy Tarreau66161322021-02-19 15:50:27 +01003447 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Willy Tarreau16a21472012-11-19 12:39:59 +01003448
3449 /* we want to have an optimal behaviour on single process mode to
3450 * maximize the work at once, but in multi-process we want to keep
3451 * some fairness between processes, so we target half of the max
3452 * number of events to be balanced over all the processes the proxy
Ilya Shipitsin6fb0f212020-04-02 15:25:26 +05003453 * is bound to. Remember that maxaccept = -1 must be kept as it is
Willy Tarreau16a21472012-11-19 12:39:59 +01003454 * used to disable the limit.
3455 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003456 if (listener->maxaccept > 0 && nbproc > 1) {
3457 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003458 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3459 }
3460
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003461 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003462 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003463 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003464
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003465 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003466 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003467
Willy Tarreau620408f2016-10-21 16:37:51 +02003468 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3469 listener->options |= LI_O_TCP_L5_RULES;
3470
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003471 /* smart accept mode is automatic in HTTP mode */
3472 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003473 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003474 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3475 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003476 }
3477
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003478 /* Release unused SSL configs */
3479 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003480 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3481 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003482 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003483
Willy Tarreaua38a7172019-02-02 17:11:28 +01003484 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003485 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003486 int count, maxproc = 0;
3487
3488 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreaue26993c2020-09-03 07:18:55 +02003489 count = my_popcountl(bind_conf->settings.bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003490 if (count > maxproc)
3491 maxproc = count;
3492 }
3493 /* backends have 0, frontends have 1 or more */
3494 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003495 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3496 " limited to process assigned to the current request.\n",
3497 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003498
Willy Tarreau102df612014-05-07 23:56:38 +02003499 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003500 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3501 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003502 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003503 }
Willy Tarreau102df612014-05-07 23:56:38 +02003504 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003505 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3506 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003507 }
3508 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003509
3510 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003511 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003512 if (curproxy->task) {
3513 curproxy->task->context = curproxy;
3514 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003515 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003516 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3517 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003518 cfgerr++;
3519 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003520 }
3521
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003522 /*
3523 * Recount currently required checks.
3524 */
3525
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003526 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003527 int optnum;
3528
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003529 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3530 if (curproxy->options & cfg_opts[optnum].val)
3531 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003532
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003533 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3534 if (curproxy->options2 & cfg_opts2[optnum].val)
3535 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003536 }
3537
Willy Tarreau0fca4832015-05-01 19:12:05 +02003538 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003539 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003540 if (curproxy->table && curproxy->table->peers.p)
3541 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003542
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003543 /* compute the required process bindings for the peers from <stktables_list>
3544 * for all the stick-tables, the ones coming with "peers" sections included.
3545 */
3546 for (t = stktables_list; t; t = t->next) {
3547 struct proxy *p;
3548
3549 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3550 if (t->peers.p && t->peers.p->peers_fe) {
3551 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3552 }
3553 }
3554 }
3555
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003556 if (cfg_peers) {
3557 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003558 struct peer *p, *pb;
3559
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003560 /* In the case the peers frontend was not initialized by a
3561 stick-table used in the configuration, set its bind_proc
3562 by default to the first process. */
3563 while (curpeers) {
William Lallemand3ef2d562020-03-24 16:42:15 +01003564 if (curpeers->peers_fe) {
3565 if (curpeers->peers_fe->bind_proc == 0)
3566 curpeers->peers_fe->bind_proc = 1;
3567 }
William Lallemanda2cfd7e2020-03-24 16:02:48 +01003568 curpeers = curpeers->next;
3569 }
3570
3571 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02003572 /* Remove all peers sections which don't have a valid listener,
3573 * which are not used by any table, or which are bound to more
3574 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003575 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003576 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003577 while (*last) {
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003578 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02003579 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003580
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02003581 if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003582 /* the "disabled" keyword was present */
3583 if (curpeers->peers_fe)
3584 stop_proxy(curpeers->peers_fe);
3585 curpeers->peers_fe = NULL;
3586 }
Frédéric Lécaille5a4fe5a2019-10-04 08:30:04 +02003587 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003588 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3589 curpeers->id, localpeer);
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003590 if (curpeers->peers_fe)
3591 stop_proxy(curpeers->peers_fe);
3592 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003593 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003594 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003595 /* either it's totally stopped or too much used */
3596 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003597 ha_alert("Peers section '%s': peers referenced by sections "
3598 "running in different processes (%d different ones). "
3599 "Check global.nbproc and all tables' bind-process "
3600 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003601 cfgerr++;
3602 }
3603 stop_proxy(curpeers->peers_fe);
3604 curpeers->peers_fe = NULL;
3605 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003606 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003607 /* Initializes the transport layer of the server part of all the peers belonging to
3608 * <curpeers> section if required.
3609 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3610 * of an old process.
3611 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003612 p = curpeers->remote;
3613 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003614 if (p->srv) {
Christopher Fauletf61f33a2020-03-27 18:55:49 +01003615 if (p->srv->use_ssl == 1 && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003616 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3617 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003618 p = p->next;
3619 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003620 /* Configure the SSL bindings of the local peer if required. */
3621 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3622 struct list *l;
3623 struct bind_conf *bind_conf;
3624
3625 l = &curpeers->peers_fe->conf.bind;
3626 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3627 if (bind_conf->xprt->prepare_bind_conf &&
3628 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3629 cfgerr++;
3630 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02003631 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02003632 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3633 curpeers->id);
3634 cfgerr++;
3635 break;
3636 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003637 last = &curpeers->next;
3638 continue;
3639 }
3640
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003641 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003642 p = curpeers->remote;
3643 while (p) {
3644 pb = p->next;
3645 free(p->id);
3646 free(p);
3647 p = pb;
3648 }
3649
3650 /* Destroy and unlink this curpeers section.
3651 * Note: curpeers is backed up into *last.
3652 */
3653 free(curpeers->id);
3654 curpeers = curpeers->next;
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01003655 /* Reset any refereance to this peers section in the list of stick-tables */
3656 for (t = stktables_list; t; t = t->next) {
3657 if (t->peers.p && t->peers.p == *last)
3658 t->peers.p = NULL;
3659 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003660 free(*last);
3661 *last = curpeers;
3662 }
3663 }
3664
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003665 for (t = stktables_list; t; t = t->next) {
3666 if (t->proxy)
3667 continue;
3668 if (!stktable_init(t)) {
3669 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
3670 cfgerr++;
3671 }
3672 }
3673
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003674 /* initialize stick-tables on backend capable proxies. This must not
3675 * be done earlier because the data size may be discovered while parsing
3676 * other proxies.
3677 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003678 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauc3914d42020-09-24 08:39:22 +02003679 if (curproxy->disabled || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003680 continue;
3681
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003682 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003683 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003684 cfgerr++;
3685 }
3686 }
3687
Simon Horman0d16a402015-01-30 11:22:58 +09003688 if (mailers) {
3689 struct mailers *curmailers = mailers, **last;
3690 struct mailer *m, *mb;
3691
3692 /* Remove all mailers sections which don't have a valid listener.
3693 * This can happen when a mailers section is never referenced.
3694 */
3695 last = &mailers;
3696 while (*last) {
3697 curmailers = *last;
3698 if (curmailers->users) {
3699 last = &curmailers->next;
3700 continue;
3701 }
3702
Christopher Faulet767a84b2017-11-24 16:50:31 +01003703 ha_warning("Removing incomplete section 'mailers %s'.\n",
3704 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003705
3706 m = curmailers->mailer_list;
3707 while (m) {
3708 mb = m->next;
3709 free(m->id);
3710 free(m);
3711 m = mb;
3712 }
3713
3714 /* Destroy and unlink this curmailers section.
3715 * Note: curmailers is backed up into *last.
3716 */
3717 free(curmailers->id);
3718 curmailers = curmailers->next;
3719 free(*last);
3720 *last = curmailers;
3721 }
3722 }
3723
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003724 /* Update server_state_file_name to backend name if backend is supposed to use
3725 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003726 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003727 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3728 curproxy->server_state_file_name == NULL)
3729 curproxy->server_state_file_name = strdup(curproxy->id);
3730 }
3731
Emeric Brun750fe792020-12-23 16:51:12 +01003732 list_for_each_entry(curr_resolvers, &sec_resolvers, list) {
Ben Draut054fbee2018-04-13 15:43:04 -06003733 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3734 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3735 curr_resolvers->id, curr_resolvers->conf.file,
3736 curr_resolvers->conf.line);
3737 err_code |= ERR_WARN;
3738 }
3739 }
3740
William Lallemand48b4bb42017-10-23 14:36:34 +02003741 list_for_each_entry(postparser, &postparsers, list) {
3742 if (postparser->func)
3743 cfgerr += postparser->func();
3744 }
3745
Willy Tarreaubb925012009-07-23 13:36:36 +02003746 if (cfgerr > 0)
3747 err_code |= ERR_ALERT | ERR_FATAL;
3748 out:
3749 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02003750}
3751
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003752/*
3753 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
3754 * parsing sessions.
3755 */
3756void cfg_register_keywords(struct cfg_kw_list *kwl)
3757{
3758 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
3759}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003760
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003761/*
3762 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
3763 */
3764void cfg_unregister_keywords(struct cfg_kw_list *kwl)
3765{
3766 LIST_DEL(&kwl->list);
3767 LIST_INIT(&kwl->list);
3768}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003769
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003770/* this function register new section in the haproxy configuration file.
3771 * <section_name> is the name of this new section and <section_parser>
3772 * is the called parser. If two section declaration have the same name,
3773 * only the first declared is used.
3774 */
3775int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02003776 int (*section_parser)(const char *, int, char **, int),
3777 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003778{
3779 struct cfg_section *cs;
3780
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003781 list_for_each_entry(cs, &sections, list) {
3782 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003783 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003784 return 0;
3785 }
3786 }
3787
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003788 cs = calloc(1, sizeof(*cs));
3789 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003790 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003791 return 0;
3792 }
3793
3794 cs->section_name = section_name;
3795 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02003796 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003797
3798 LIST_ADDQ(&sections, &cs->list);
3799
3800 return 1;
3801}
3802
William Lallemand48b4bb42017-10-23 14:36:34 +02003803/* this function register a new function which will be called once the haproxy
3804 * configuration file has been parsed. It's useful to check dependencies
3805 * between sections or to resolve items once everything is parsed.
3806 */
3807int cfg_register_postparser(char *name, int (*func)())
3808{
3809 struct cfg_postparser *cp;
3810
3811 cp = calloc(1, sizeof(*cp));
3812 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003813 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02003814 return 0;
3815 }
3816 cp->name = name;
3817 cp->func = func;
3818
3819 LIST_ADDQ(&postparsers, &cp->list);
3820
3821 return 1;
3822}
3823
Willy Tarreaubaaee002006-06-26 02:48:02 +02003824/*
David Carlier845efb52015-09-25 11:49:18 +01003825 * free all config section entries
3826 */
3827void cfg_unregister_sections(void)
3828{
3829 struct cfg_section *cs, *ics;
3830
3831 list_for_each_entry_safe(cs, ics, &sections, list) {
3832 LIST_DEL(&cs->list);
3833 free(cs);
3834 }
3835}
3836
Christopher Faulet7110b402016-10-26 11:09:44 +02003837void cfg_backup_sections(struct list *backup_sections)
3838{
3839 struct cfg_section *cs, *ics;
3840
3841 list_for_each_entry_safe(cs, ics, &sections, list) {
3842 LIST_DEL(&cs->list);
3843 LIST_ADDQ(backup_sections, &cs->list);
3844 }
3845}
3846
3847void cfg_restore_sections(struct list *backup_sections)
3848{
3849 struct cfg_section *cs, *ics;
3850
3851 list_for_each_entry_safe(cs, ics, backup_sections, list) {
3852 LIST_DEL(&cs->list);
3853 LIST_ADDQ(&sections, &cs->list);
3854 }
3855}
3856
Willy Tarreaue6552512018-11-26 11:33:13 +01003857/* these are the config sections handled by default */
3858REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
3859REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
3860REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
3861REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
3862REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
3863REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
3864REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
3865REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
3866REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02003867
David Carlier845efb52015-09-25 11:49:18 +01003868/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02003869 * Local variables:
3870 * c-indent-level: 8
3871 * c-basic-offset: 8
3872 * End:
3873 */