blob: d4677efd577a636e7e4375f8d55efe14292f3eaf [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
Cyril Bonté1a0191d2014-08-29 20:20:02 +020013#ifdef CONFIG_HAP_CRYPT
14/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
17#ifdef NEED_CRYPT_H
18/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
21#endif /* CONFIG_HAP_CRYPT */
22
Willy Tarreaubaaee002006-06-26 02:48:02 +020023#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <netdb.h>
27#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020028#include <pwd.h>
29#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020030#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020031#include <sys/types.h>
32#include <sys/stat.h>
33#include <fcntl.h>
34#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035
Willy Tarreau2dd0d472006-06-29 17:53:05 +020036#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020037#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020038#include <common/config.h>
Willy Tarreau058e9072009-07-20 09:30:05 +020039#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020040#include <common/memory.h>
41#include <common/standard.h>
42#include <common/time.h>
43#include <common/uri_auth.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010044#include <common/namespace.h>
Emeric Brunc60def82017-09-27 14:59:38 +020045#include <common/hathreads.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046
47#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020048#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <types/global.h>
Willy Tarreau3fdb3662012-11-12 00:42:33 +010050#include <types/obj_type.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020051#include <types/peers.h>
Simon Horman0d16a402015-01-30 11:22:58 +090052#include <types/mailers.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +020053#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <types/stats.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020055
Willy Tarreaueb0c6142007-05-07 00:53:22 +020056#include <proto/acl.h>
Christopher Faulet4fce0d82017-09-18 11:57:31 +020057#include <proto/action.h>
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010058#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020059#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020060#include <proto/channel.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020061#include <proto/checks.h>
Baptiste Assmann201c07f2017-05-22 15:17:15 +020062#include <proto/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010063#include <proto/stats.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020064#include <proto/filters.h>
Willy Tarreaueb472682010-05-28 18:46:57 +020065#include <proto/frontend.h>
Willy Tarreau34eb6712011-10-24 18:15:04 +020066#include <proto/hdr_idx.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020067#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020068#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010069#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020070#include <proto/lb_fwlc.h>
71#include <proto/lb_fwrr.h>
72#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020073#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020074#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020075#include <proto/protocol.h>
Willy Tarreaue6b98942007-10-29 01:09:36 +010076#include <proto/proto_http.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010077#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020078#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020079#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020080#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020081#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020082#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010083#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010084#include <proto/task.h>
85#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020086#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020087
88
Willy Tarreauf3c69202006-07-09 16:42:34 +020089/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
90 * ssl-hello-chk option to ensure that the remote server speaks SSL.
91 *
92 * Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
93 */
94const char sslv3_client_hello_pkt[] = {
95 "\x16" /* ContentType : 0x16 = Hanshake */
96 "\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
97 "\x00\x79" /* ContentLength : 0x79 bytes after this one */
98 "\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
99 "\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
100 "\x03\x00" /* Hello Version : 0x0300 = v3 */
101 "\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
102 "HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
103 "\x00" /* Session ID length : empty (no session ID) */
104 "\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
105 "\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
106 "\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
107 "\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
108 "\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
109 "\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
110 "\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
111 "\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
112 "\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
113 "\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
114 "\x00\x38" "\x00\x39" "\x00\x3A"
115 "\x01" /* Compression Length : 0x01 = 1 byte for types */
116 "\x00" /* Compression Type : 0x00 = NULL compression */
117};
118
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +0100119/* Used to chain configuration sections definitions. This list
120 * stores struct cfg_section
121 */
122struct list sections = LIST_HEAD_INIT(sections);
123
William Lallemand48b4bb42017-10-23 14:36:34 +0200124struct list postparsers = LIST_HEAD_INIT(postparsers);
125
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100126char *cursection = NULL;
127struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200128int cfg_maxpconn = DEFAULT_MAXCONN; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100129int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100130char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200131
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200132/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100133struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200134 .list = LIST_HEAD_INIT(cfg_keywords.list)
135};
136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137/*
138 * converts <str> to a list of listeners which are dynamically allocated.
139 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
140 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
141 * - <port> is a numerical port from 1 to 65535 ;
142 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
143 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200144 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
145 * not NULL, it must be a valid pointer to either NULL or a freeable area that
146 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200147 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200148int 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 +0200149{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100150 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200151 int port, end;
152
153 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200154
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100156 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200157 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100158 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159
160 str = next;
161 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100162 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200163 *next++ = 0;
164 }
165
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100166 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200167 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200168 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100169 if (!ss2)
170 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100172 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100173 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200174 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100175 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100178 if (!port || !end) {
179 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
180 goto fail;
181 }
182
Emeric Bruned760922010-10-22 17:59:25 +0200183 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200184 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200185 goto fail;
186 }
187
188 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200189 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200190 goto fail;
191 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100193 else if (ss2->ss_family == AF_UNSPEC) {
194 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100195 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100196
197 /* We want to attach to an already bound fd whose number
198 * is in the addr part of ss2 when cast to sockaddr_in.
199 * Note that by definition there is a single listener.
200 * We still have to determine the address family to
201 * register the correct protocol.
202 */
203 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
204 addr_len = sizeof(*ss2);
205 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
206 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
207 goto fail;
208 }
209
210 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200211
212 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
213 socklen_t addr_len;
214 inherited = 1;
215
216 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
217 addr_len = sizeof(*ss2);
218 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
219 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
220 goto fail;
221 }
222
223 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
224 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100225 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200226
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100227 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100228 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200229 memprintf(err, "%s for address '%s'.\n", *err, str);
230 goto fail;
231 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200232 } /* end while(next) */
233 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200234 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200235 fail:
236 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200237 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200238}
239
William Lallemand6e62fb62015-04-28 16:55:23 +0200240/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100241 * Report an error in <msg> when there are too many arguments. This version is
242 * intended to be used by keyword parsers so that the message will be included
243 * into the general error message. The index is the current keyword in args.
244 * Return 0 if the number of argument is correct, otherwise build a message and
245 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
246 * message may also be null, it will simply not be produced (useful to check only).
247 * <msg> and <err_code> are only affected on error.
248 */
249int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
250{
251 int i;
252
253 if (!*args[index + maxarg + 1])
254 return 0;
255
256 if (msg) {
257 *msg = NULL;
258 memprintf(msg, "%s", args[0]);
259 for (i = 1; i <= index; i++)
260 memprintf(msg, "%s %s", *msg, args[i]);
261
262 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
263 }
264 if (err_code)
265 *err_code |= ERR_ALERT | ERR_FATAL;
266
267 return 1;
268}
269
270/*
271 * same as too_many_args_idx with a 0 index
272 */
273int too_many_args(int maxarg, char **args, char **msg, int *err_code)
274{
275 return too_many_args_idx(maxarg, 0, args, msg, err_code);
276}
277
278/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200279 * Report a fatal Alert when there is too much arguments
280 * The index is the current keyword in args
281 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
282 * Fill err_code with an ERR_ALERT and an ERR_FATAL
283 */
284int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
285{
286 char *kw = NULL;
287 int i;
288
289 if (!*args[index + maxarg + 1])
290 return 0;
291
292 memprintf(&kw, "%s", args[0]);
293 for (i = 1; i <= index; i++) {
294 memprintf(&kw, "%s %s", kw, args[i]);
295 }
296
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 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 +0200298 free(kw);
299 *err_code |= ERR_ALERT | ERR_FATAL;
300 return 1;
301}
302
303/*
304 * same as alertif_too_many_args_idx with a 0 index
305 */
306int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
307{
308 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
309}
310
Willy Tarreau61d18892009-03-31 10:49:21 +0200311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312/* Report it if a request ACL condition uses some keywords that are incompatible
313 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
314 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
315 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100316 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100317int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100318{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100319 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200320 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100321
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100322 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100323 return 0;
324
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100325 acl = acl_cond_conflicts(cond, where);
326 if (acl) {
327 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100328 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
329 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100330 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100331 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
332 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100333 return ERR_WARN;
334 }
335 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100336 return 0;
337
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100338 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100339 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
340 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100341 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100342 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
343 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100344 return ERR_WARN;
345}
346
Christopher Faulet62519022017-10-16 15:49:32 +0200347/* Parse a string representing a process number or a set of processes. It must
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100348 * be "all", "odd", "even", a number between 1 and <LONGBITS> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100349 * two such numbers delimited by a dash ('-'). On success, it returns
350 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200351 *
352 * Note: this function can also be used to parse a thread number or a set of
353 * threads.
354 */
Christopher Faulet26028f62017-11-22 15:01:51 +0100355int parse_process_number(const char *arg, unsigned long *proc, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200356{
Christopher Faulet26028f62017-11-22 15:01:51 +0100357 if (autoinc) {
358 *autoinc = 0;
359 if (strncmp(arg, "auto:", 5) == 0) {
360 arg += 5;
361 *autoinc = 1;
362 }
363 }
364
Christopher Faulet62519022017-10-16 15:49:32 +0200365 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100366 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200367 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100368 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200369 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100370 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200371 else {
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100372 char *dash;
373 unsigned int low, high;
374
Christopher Faulet5ab51772017-11-22 11:21:58 +0100375 if (!isdigit((int)*arg)) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100376 memprintf(err, "'%s' is not a valid number.\n", arg);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100377 return -1;
378 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100379
380 low = high = str2uic(arg);
381 if ((dash = strchr(arg, '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100382 high = ((!*(dash+1)) ? LONGBITS : str2uic(dash + 1));
383
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100384 if (high < low) {
385 unsigned int swap = low;
386 low = high;
387 high = swap;
388 }
389
Christopher Faulet5ab51772017-11-22 11:21:58 +0100390 if (low < 1 || low > LONGBITS || high > LONGBITS) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100391 memprintf(err, "'%s' is not a valid number/range."
392 " It supports numbers from 1 to %d.\n",
Christopher Faulet5ab51772017-11-22 11:21:58 +0100393 arg, LONGBITS);
394 return 1;
395 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100396
397 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100398 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200399 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100400
Christopher Faulet5ab51772017-11-22 11:21:58 +0100401 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200402}
403
David Carlier7e351ee2017-12-01 09:14:02 +0000404#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200405/* Parse cpu sets. Each CPU set is either a unique number between 0 and
406 * <LONGBITS> or a range with two such numbers delimited by a dash
407 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
408 * returns 0. otherwise it returns 1 with an error message in <err>.
409 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100410unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200411{
412 int cur_arg = 0;
413
414 *cpu_set = 0;
415 while (*args[cur_arg]) {
416 char *dash;
417 unsigned int low, high;
418
419 if (!isdigit((int)*args[cur_arg])) {
420 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
421 return -1;
422 }
423
424 low = high = str2uic(args[cur_arg]);
425 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100426 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200427
428 if (high < low) {
429 unsigned int swap = low;
430 low = high;
431 high = swap;
432 }
433
434 if (high >= LONGBITS) {
435 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
436 return 1;
437 }
438
439 while (low <= high)
440 *cpu_set |= 1UL << low++;
441
442 cur_arg++;
443 }
444 return 0;
445}
David Carlier7e351ee2017-12-01 09:14:02 +0000446#endif
447
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200448void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200449{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100450 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200451 defproxy.mode = PR_MODE_TCP;
452 defproxy.state = PR_STNEW;
453 defproxy.maxconn = cfg_maxpconn;
454 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700455 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100456 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100457 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100458
Simon Horman66183002013-02-23 10:16:43 +0900459 defproxy.defsrv.check.inter = DEF_CHKINTR;
460 defproxy.defsrv.check.fastinter = 0;
461 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900462 defproxy.defsrv.agent.inter = DEF_CHKINTR;
463 defproxy.defsrv.agent.fastinter = 0;
464 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900465 defproxy.defsrv.check.rise = DEF_RISETIME;
466 defproxy.defsrv.check.fall = DEF_FALLTIME;
467 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
468 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200469 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900470 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100471 defproxy.defsrv.maxqueue = 0;
472 defproxy.defsrv.minconn = 0;
473 defproxy.defsrv.maxconn = 0;
Olivier Houchard006e3102018-12-10 18:30:32 +0100474 defproxy.defsrv.max_idle_conns = -1;
Olivier Houchardb7b3faa2018-12-14 18:15:36 +0100475 defproxy.defsrv.pool_purge_delay = 1000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100476 defproxy.defsrv.slowstart = 0;
477 defproxy.defsrv.onerror = DEF_HANA_ONERR;
478 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
479 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900480
481 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200482 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200483}
484
Frédéric Lécaille18251032019-01-11 11:07:15 +0100485/* Allocate and initialize the frontend of a "peers" section found in
486 * file <file> at line <linenum> with <id> as ID.
487 * Return 0 if succeeded, -1 if not.
488 */
489static int init_peers_frontend(const char *file, int linenum,
490 const char *id, struct peers *peers)
491{
492 struct proxy *p;
493
494 p = calloc(1, sizeof *p);
495 if (!p) {
496 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
497 return -1;
498 }
499
500 init_new_proxy(p);
501 p->parent = peers;
502 p->id = strdup(id);
503 p->conf.args.file = p->conf.file = strdup(file);
504 p->conf.args.line = p->conf.line = linenum;
505 peers_setup_frontend(p);
506 peers->peers_fe = p;
507
508 return 0;
509}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100510
Willy Tarreaubaaee002006-06-26 02:48:02 +0200511/*
William Lallemand51097192015-04-14 16:35:22 +0200512 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200513 * Returns the error code, 0 if OK, or any combination of :
514 * - ERR_ABORT: must abort ASAP
515 * - ERR_FATAL: we can continue parsing but not start the service
516 * - ERR_WARN: a warning has been emitted
517 * - ERR_ALERT: an alert has been emitted
518 * Only the two first ones can stop processing, the two others are just
519 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200520 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200521int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
522{
523 static struct peers *curpeers = NULL;
524 struct peer *newpeer = NULL;
525 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200526 struct bind_conf *bind_conf;
527 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200528 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100529 char *errmsg = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200530
531 if (strcmp(args[0], "peers") == 0) { /* new peers section */
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100532 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100533 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100534 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100535 goto out;
536 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200537
William Lallemand6e62fb62015-04-28 16:55:23 +0200538 if (alertif_too_many_args(1, file, linenum, args, &err_code))
539 goto out;
540
Emeric Brun32da3c42010-09-23 18:39:19 +0200541 err = invalid_char(args[1]);
542 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100543 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
544 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100545 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100546 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200547 }
548
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200549 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200550 /*
551 * If there are two proxies with the same name only following
552 * combinations are allowed:
553 */
554 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100555 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
556 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200557 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200558 }
559 }
560
Vincent Bernat02779b62016-04-03 13:48:43 +0200561 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100562 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200563 err_code |= ERR_ALERT | ERR_ABORT;
564 goto out;
565 }
566
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200567 curpeers->next = cfg_peers;
568 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200569 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200570 curpeers->conf.line = linenum;
571 curpeers->last_change = now.tv_sec;
572 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200573 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200574 }
575 else if (strcmp(args[0], "peer") == 0) { /* peer definition */
David du Colombier6f5ccb12011-03-10 22:26:24 +0100576 struct sockaddr_storage *sk;
Willy Tarreau2aa38802013-02-20 19:20:59 +0100577 int port1, port2;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100578 struct protocol *proto;
Emeric Brun32da3c42010-09-23 18:39:19 +0200579
580 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100581 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
582 file, linenum, args[0]);
Emeric Brun32da3c42010-09-23 18:39:19 +0200583 err_code |= ERR_ALERT | ERR_FATAL;
584 goto out;
585 }
586
587 err = invalid_char(args[1]);
588 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100589 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
590 file, linenum, *err, args[1]);
Emeric Brun32da3c42010-09-23 18:39:19 +0200591 err_code |= ERR_ALERT | ERR_FATAL;
592 goto out;
593 }
594
Vincent Bernat02779b62016-04-03 13:48:43 +0200595 if ((newpeer = calloc(1, sizeof(*newpeer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100596 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200597 err_code |= ERR_ALERT | ERR_ABORT;
598 goto out;
599 }
600
601 /* the peers are linked backwards first */
602 curpeers->count++;
603 newpeer->next = curpeers->remote;
604 curpeers->remote = newpeer;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200605 newpeer->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200606 newpeer->conf.line = linenum;
607
608 newpeer->last_change = now.tv_sec;
609 newpeer->id = strdup(args[1]);
610
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100611 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Willy Tarreau2aa38802013-02-20 19:20:59 +0100612 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100613 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Willy Tarreau2aa38802013-02-20 19:20:59 +0100614 err_code |= ERR_ALERT | ERR_FATAL;
615 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200616 }
Willy Tarreaub36487e2013-03-10 18:37:42 +0100617
618 proto = protocol_by_family(sk->ss_family);
619 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100620 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
621 file, linenum, args[0], args[1]);
Willy Tarreaub36487e2013-03-10 18:37:42 +0100622 err_code |= ERR_ALERT | ERR_FATAL;
623 goto out;
624 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100625
626 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100627 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
628 file, linenum, args[0], args[1], args[2]);
Emeric Brun32da3c42010-09-23 18:39:19 +0200629 err_code |= ERR_ALERT | ERR_FATAL;
630 goto out;
631 }
632
Willy Tarreau2aa38802013-02-20 19:20:59 +0100633 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100634 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
635 file, linenum, args[0], args[1], args[2]);
Emeric Brun32da3c42010-09-23 18:39:19 +0200636 err_code |= ERR_ALERT | ERR_FATAL;
637 goto out;
638 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100639
Emeric Brun32da3c42010-09-23 18:39:19 +0200640 newpeer->addr = *sk;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100641 newpeer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100642 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200643 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100644 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200645
Emeric Brun32da3c42010-09-23 18:39:19 +0200646 if (strcmp(newpeer->id, localpeer) == 0) {
647 /* Current is local peer, it define a frontend */
648 newpeer->local = 1;
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200649 cfg_peers->local = newpeer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200650
651 if (!curpeers->peers_fe) {
Frédéric Lécaille18251032019-01-11 11:07:15 +0100652 if (init_peers_frontend(file, linenum, args[1], curpeers) != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100653 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200654 err_code |= ERR_ALERT | ERR_ABORT;
655 goto out;
656 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200657
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100658 bind_conf = bind_conf_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Willy Tarreau4348fad2012-09-20 16:48:07 +0200659
Willy Tarreau902636f2013-03-10 19:44:48 +0100660 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
661 if (errmsg && *errmsg) {
662 indent_msg(&errmsg, 2);
Christopher Faulet767a84b2017-11-24 16:50:31 +0100663 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200664 }
665 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100666 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
667 file, linenum, args[0], args[1], args[2]);
Emeric Brun32da3c42010-09-23 18:39:19 +0200668 err_code |= ERR_FATAL;
669 goto out;
670 }
Willy Tarreau4348fad2012-09-20 16:48:07 +0200671
672 list_for_each_entry(l, &bind_conf->listeners, by_bind) {
Willy Tarreauacf3bf92013-01-18 10:51:07 +0100673 l->maxaccept = 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +0200674 l->maxconn = curpeers->peers_fe->maxconn;
675 l->backlog = curpeers->peers_fe->backlog;
Willy Tarreau9903f0e2015-04-04 18:50:31 +0200676 l->accept = session_accept_fd;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +0200677 l->analysers |= curpeers->peers_fe->fe_req_ana;
678 l->default_target = curpeers->peers_fe->default_target;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200679 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
680 global.maxsock += l->maxconn;
681 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200682 }
Willy Tarreau8b8fd562013-01-18 11:12:27 +0100683 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100684 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d.\n",
685 file, linenum, args[0], args[1],
686 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line);
Willy Tarreau8b8fd562013-01-18 11:12:27 +0100687 err_code |= ERR_FATAL;
688 goto out;
689 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200690 }
691 } /* neither "peer" nor "peers" */
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200692 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
693 curpeers->state = PR_STSTOPPED;
694 }
695 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
696 curpeers->state = PR_STNEW;
697 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200698 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100699 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200700 err_code |= ERR_ALERT | ERR_FATAL;
701 goto out;
702 }
703
704out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100705 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200706 return err_code;
707}
708
Baptiste Assmann325137d2015-04-13 23:40:55 +0200709/*
710 * Parse a <resolvers> section.
711 * Returns the error code, 0 if OK, or any combination of :
712 * - ERR_ABORT: must abort ASAP
713 * - ERR_FATAL: we can continue parsing but not start the service
714 * - ERR_WARN: a warning has been emitted
715 * - ERR_ALERT: an alert has been emitted
716 * Only the two first ones can stop processing, the two others are just
717 * indicators.
718 */
719int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
720{
721 static struct dns_resolvers *curr_resolvers = NULL;
722 struct dns_nameserver *newnameserver = NULL;
723 const char *err;
724 int err_code = 0;
725 char *errmsg = NULL;
726
727 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
728 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100729 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200730 err_code |= ERR_ALERT | ERR_ABORT;
731 goto out;
732 }
733
734 err = invalid_char(args[1]);
735 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100736 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
737 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200738 err_code |= ERR_ALERT | ERR_ABORT;
739 goto out;
740 }
741
742 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
743 /* Error if two resolvers owns the same name */
744 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100745 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
746 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200747 err_code |= ERR_ALERT | ERR_ABORT;
748 }
749 }
750
Vincent Bernat02779b62016-04-03 13:48:43 +0200751 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100752 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200753 err_code |= ERR_ALERT | ERR_ABORT;
754 goto out;
755 }
756
757 /* default values */
758 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
759 curr_resolvers->conf.file = strdup(file);
760 curr_resolvers->conf.line = linenum;
761 curr_resolvers->id = strdup(args[1]);
762 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200763 /* default maximum response size */
764 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100765 /* default hold period for nx, other, refuse and timeout is 30s */
766 curr_resolvers->hold.nx = 30000;
767 curr_resolvers->hold.other = 30000;
768 curr_resolvers->hold.refused = 30000;
769 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200770 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200771 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200772 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200773 curr_resolvers->timeout.resolve = 1000;
774 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200775 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200776 curr_resolvers->nb_nameservers = 0;
777 LIST_INIT(&curr_resolvers->nameservers);
778 LIST_INIT(&curr_resolvers->resolutions.curr);
779 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100780 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200781 }
782 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
783 struct sockaddr_storage *sk;
784 int port1, port2;
785 struct protocol *proto;
786
787 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100788 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
789 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200790 err_code |= ERR_ALERT | ERR_FATAL;
791 goto out;
792 }
793
794 err = invalid_char(args[1]);
795 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100796 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
797 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200798 err_code |= ERR_ALERT | ERR_FATAL;
799 goto out;
800 }
801
Christopher Faulet67957bd2017-09-27 11:00:59 +0200802 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +0100803 /* Error if two resolvers owns the same name */
804 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100805 ha_alert("Parsing [%s:%d]: nameserver '%s' has same name as another nameserver (declared at %s:%d).\n",
Ben Draut44e609b2018-05-29 15:40:08 -0600806 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +0100807 err_code |= ERR_ALERT | ERR_FATAL;
808 }
809 }
810
Vincent Bernat02779b62016-04-03 13:48:43 +0200811 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100812 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200813 err_code |= ERR_ALERT | ERR_ABORT;
814 goto out;
815 }
816
817 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +0200818 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200819 newnameserver->resolvers = curr_resolvers;
820 newnameserver->conf.file = strdup(file);
821 newnameserver->conf.line = linenum;
822 newnameserver->id = strdup(args[1]);
823
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100824 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200825 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100826 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200827 err_code |= ERR_ALERT | ERR_FATAL;
828 goto out;
829 }
830
831 proto = protocol_by_family(sk->ss_family);
832 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100833 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +0200834 file, linenum, args[0], args[1]);
835 err_code |= ERR_ALERT | ERR_FATAL;
836 goto out;
837 }
838
839 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100840 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
841 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200842 err_code |= ERR_ALERT | ERR_FATAL;
843 goto out;
844 }
845
Baptiste Assmann7f43fa92016-01-21 00:59:46 +0100846 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100847 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
848 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +0100849 err_code |= ERR_ALERT | ERR_FATAL;
850 goto out;
851 }
852
Baptiste Assmann325137d2015-04-13 23:40:55 +0200853 newnameserver->addr = *sk;
854 }
Ben Draut44e609b2018-05-29 15:40:08 -0600855 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
856 const char *whitespace = "\r\n\t ";
857 char *resolv_line = NULL;
858 int resolv_linenum = 0;
859 FILE *f = NULL;
860 char *address = NULL;
861 struct sockaddr_storage *sk = NULL;
862 struct protocol *proto;
863 int duplicate_name = 0;
864
865 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
866 ha_alert("parsing [%s:%d] : out of memory.\n",
867 file, linenum);
868 err_code |= ERR_ALERT | ERR_FATAL;
869 goto resolv_out;
870 }
871
872 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
873 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
874 file, linenum);
875 err_code |= ERR_ALERT | ERR_FATAL;
876 goto resolv_out;
877 }
878
879 sk = calloc(1, sizeof(*sk));
880 if (sk == NULL) {
881 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
882 resolv_linenum);
883 err_code |= ERR_ALERT | ERR_FATAL;
884 goto resolv_out;
885 }
886
887 while (fgets(resolv_line, LINESIZE, f) != NULL) {
888 resolv_linenum++;
889 if (strncmp(resolv_line, "nameserver", 10) != 0)
890 continue;
891
892 address = strtok(resolv_line + 10, whitespace);
893 if (address == resolv_line + 10)
894 continue;
895
896 if (address == NULL) {
897 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
898 resolv_linenum);
899 err_code |= ERR_WARN;
900 continue;
901 }
902
903 duplicate_name = 0;
904 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
905 if (strcmp(newnameserver->id, address) == 0) {
906 ha_warning("Parsing [/etc/resolv.conf:%d] : generated name for /etc/resolv.conf nameserver '%s' conflicts with another nameserver (declared at %s:%d), it appears to be a duplicate and will be excluded.\n",
907 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
908 err_code |= ERR_WARN;
909 duplicate_name = 1;
910 }
911 }
912
913 if (duplicate_name)
914 continue;
915
916 memset(sk, 0, sizeof(*sk));
917 sk = str2ip2(address, sk, 1);
918 if (!sk) {
919 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
920 resolv_linenum, address);
921 err_code |= ERR_WARN;
922 continue;
923 }
924
925 set_host_port(sk, 53);
926
927 proto = protocol_by_family(sk->ss_family);
928 if (!proto || !proto->connect) {
929 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
930 resolv_linenum, address);
931 err_code |= ERR_WARN;
932 continue;
933 }
934
935 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
936 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
937 err_code |= ERR_ALERT | ERR_FATAL;
938 goto resolv_out;
939 }
940
941 newnameserver->conf.file = strdup("/etc/resolv.conf");
942 if (newnameserver->conf.file == NULL) {
943 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
944 err_code |= ERR_ALERT | ERR_FATAL;
945 goto resolv_out;
946 }
947
948 newnameserver->id = strdup(address);
949 if (newnameserver->id == NULL) {
950 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
951 err_code |= ERR_ALERT | ERR_FATAL;
952 goto resolv_out;
953 }
954
955 newnameserver->resolvers = curr_resolvers;
956 newnameserver->conf.line = resolv_linenum;
957 newnameserver->addr = *sk;
958
959 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
960 }
961
962resolv_out:
963 free(sk);
964 free(resolv_line);
965 if (f != NULL)
966 fclose(f);
967 }
Baptiste Assmann325137d2015-04-13 23:40:55 +0200968 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
969 const char *res;
970 unsigned int time;
971
972 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100973 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
974 file, linenum, args[0]);
975 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +0200976 err_code |= ERR_ALERT | ERR_FATAL;
977 goto out;
978 }
979 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
980 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100981 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
982 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200983 err_code |= ERR_ALERT | ERR_FATAL;
984 goto out;
985 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100986 if (strcmp(args[1], "nx") == 0)
987 curr_resolvers->hold.nx = time;
988 else if (strcmp(args[1], "other") == 0)
989 curr_resolvers->hold.other = time;
990 else if (strcmp(args[1], "refused") == 0)
991 curr_resolvers->hold.refused = time;
992 else if (strcmp(args[1], "timeout") == 0)
993 curr_resolvers->hold.timeout = time;
994 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +0200995 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +0200996 else if (strcmp(args[1], "obsolete") == 0)
997 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200998 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100999 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1000 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001001 err_code |= ERR_ALERT | ERR_FATAL;
1002 goto out;
1003 }
1004
1005 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001006 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001007 int i = 0;
1008
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001009 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001010 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1011 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001012 err_code |= ERR_ALERT | ERR_FATAL;
1013 goto out;
1014 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001015
1016 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001017 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001018 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1019 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001020 err_code |= ERR_ALERT | ERR_FATAL;
1021 goto out;
1022 }
1023
1024 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001025 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001026 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001027 ha_warning("parsing [%s:%d] : '%s' directive is now deprecated and ignored.\n",
1028 file, linenum, args[0]);
Christopher Faulet67957bd2017-09-27 11:00:59 +02001029 err_code |= ERR_WARN;
1030 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001031 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001032 else if (strcmp(args[0], "resolve_retries") == 0) {
1033 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001034 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1035 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001036 err_code |= ERR_ALERT | ERR_FATAL;
1037 goto out;
1038 }
1039 curr_resolvers->resolve_retries = atoi(args[1]);
1040 }
1041 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001042 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001043 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1044 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001045 err_code |= ERR_ALERT | ERR_FATAL;
1046 goto out;
1047 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001048 else if (strcmp(args[1], "retry") == 0 ||
1049 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001050 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001051 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001052
1053 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001054 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1055 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001056 err_code |= ERR_ALERT | ERR_FATAL;
1057 goto out;
1058 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001059 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001060 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001061 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1062 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001063 err_code |= ERR_ALERT | ERR_FATAL;
1064 goto out;
1065 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001066 if (args[1][2] == 't')
1067 curr_resolvers->timeout.retry = tout;
1068 else
1069 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001070 }
1071 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001072 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1073 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001074 err_code |= ERR_ALERT | ERR_FATAL;
1075 goto out;
1076 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001077 } /* neither "nameserver" nor "resolvers" */
1078 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001079 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001080 err_code |= ERR_ALERT | ERR_FATAL;
1081 goto out;
1082 }
1083
1084 out:
1085 free(errmsg);
1086 return err_code;
1087}
Simon Horman0d16a402015-01-30 11:22:58 +09001088
1089/*
William Lallemand51097192015-04-14 16:35:22 +02001090 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001091 * Returns the error code, 0 if OK, or any combination of :
1092 * - ERR_ABORT: must abort ASAP
1093 * - ERR_FATAL: we can continue parsing but not start the service
1094 * - ERR_WARN: a warning has been emitted
1095 * - ERR_ALERT: an alert has been emitted
1096 * Only the two first ones can stop processing, the two others are just
1097 * indicators.
1098 */
1099int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1100{
1101 static struct mailers *curmailers = NULL;
1102 struct mailer *newmailer = NULL;
1103 const char *err;
1104 int err_code = 0;
1105 char *errmsg = NULL;
1106
1107 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1108 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001109 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001110 err_code |= ERR_ALERT | ERR_ABORT;
1111 goto out;
1112 }
1113
1114 err = invalid_char(args[1]);
1115 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001116 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1117 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001118 err_code |= ERR_ALERT | ERR_ABORT;
1119 goto out;
1120 }
1121
1122 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1123 /*
1124 * If there are two proxies with the same name only following
1125 * combinations are allowed:
1126 */
1127 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001128 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1129 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001130 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001131 }
1132 }
1133
Vincent Bernat02779b62016-04-03 13:48:43 +02001134 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001135 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001136 err_code |= ERR_ALERT | ERR_ABORT;
1137 goto out;
1138 }
1139
1140 curmailers->next = mailers;
1141 mailers = curmailers;
1142 curmailers->conf.file = strdup(file);
1143 curmailers->conf.line = linenum;
1144 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001145 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1146 * But need enough time so that timeouts don't occur
1147 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001148 }
1149 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1150 struct sockaddr_storage *sk;
1151 int port1, port2;
1152 struct protocol *proto;
1153
1154 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001155 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1156 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001157 err_code |= ERR_ALERT | ERR_FATAL;
1158 goto out;
1159 }
1160
1161 err = invalid_char(args[1]);
1162 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001163 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1164 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001165 err_code |= ERR_ALERT | ERR_FATAL;
1166 goto out;
1167 }
1168
Vincent Bernat02779b62016-04-03 13:48:43 +02001169 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001170 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001171 err_code |= ERR_ALERT | ERR_ABORT;
1172 goto out;
1173 }
1174
1175 /* the mailers are linked backwards first */
1176 curmailers->count++;
1177 newmailer->next = curmailers->mailer_list;
1178 curmailers->mailer_list = newmailer;
1179 newmailer->mailers = curmailers;
1180 newmailer->conf.file = strdup(file);
1181 newmailer->conf.line = linenum;
1182
1183 newmailer->id = strdup(args[1]);
1184
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001185 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001186 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001187 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001188 err_code |= ERR_ALERT | ERR_FATAL;
1189 goto out;
1190 }
1191
1192 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001193 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001194 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1195 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001196 err_code |= ERR_ALERT | ERR_FATAL;
1197 goto out;
1198 }
1199
1200 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001201 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1202 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001203 err_code |= ERR_ALERT | ERR_FATAL;
1204 goto out;
1205 }
1206
1207 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001208 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1209 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001210 err_code |= ERR_ALERT | ERR_FATAL;
1211 goto out;
1212 }
1213
1214 newmailer->addr = *sk;
1215 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001216 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001217 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001218 }
1219 else if (strcmp(args[0], "timeout") == 0) {
1220 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001221 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1222 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001223 err_code |= ERR_ALERT | ERR_FATAL;
1224 goto out;
1225 }
1226 else if (strcmp(args[1], "mail") == 0) {
1227 const char *res;
1228 unsigned int timeout_mail;
1229 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001230 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1231 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001232 err_code |= ERR_ALERT | ERR_FATAL;
1233 goto out;
1234 }
1235 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
1236 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001237 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1238 file, linenum, *res, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001239 err_code |= ERR_ALERT | ERR_FATAL;
1240 goto out;
1241 }
1242 if (timeout_mail <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001243 ha_alert("parsing [%s:%d] : '%s %s' expects a positive <time> argument.\n", file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001244 err_code |= ERR_ALERT | ERR_FATAL;
1245 goto out;
1246 }
1247 curmailers->timeout.mail = timeout_mail;
1248 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001249 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001250 file, linenum, args[0], args[1]);
1251 err_code |= ERR_ALERT | ERR_FATAL;
1252 goto out;
1253 }
1254 }
Simon Horman0d16a402015-01-30 11:22:58 +09001255 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001256 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001257 err_code |= ERR_ALERT | ERR_FATAL;
1258 goto out;
1259 }
1260
1261out:
1262 free(errmsg);
1263 return err_code;
1264}
1265
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001266void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001267{
1268 free(p->email_alert.mailers.name);
1269 p->email_alert.mailers.name = NULL;
1270 free(p->email_alert.from);
1271 p->email_alert.from = NULL;
1272 free(p->email_alert.to);
1273 p->email_alert.to = NULL;
1274 free(p->email_alert.myhostname);
1275 p->email_alert.myhostname = NULL;
1276}
1277
Willy Tarreaubaaee002006-06-26 02:48:02 +02001278
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001279int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001280cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1281{
1282#ifdef CONFIG_HAP_NS
1283 const char *err;
1284 const char *item = args[0];
1285
1286 if (!strcmp(item, "namespace_list")) {
1287 return 0;
1288 }
1289 else if (!strcmp(item, "namespace")) {
1290 size_t idx = 1;
1291 const char *current;
1292 while (*(current = args[idx++])) {
1293 err = invalid_char(current);
1294 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001295 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1296 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001297 return ERR_ALERT | ERR_FATAL;
1298 }
1299
1300 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001301 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1302 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001303 return ERR_ALERT | ERR_FATAL;
1304 }
1305 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001306 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1307 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001308 return ERR_ALERT | ERR_FATAL;
1309 }
1310 }
1311 }
1312
1313 return 0;
1314#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001315 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1316 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001317 return ERR_ALERT | ERR_FATAL;
1318#endif
1319}
1320
1321int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001322cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1323{
1324
1325 int err_code = 0;
1326 const char *err;
1327
1328 if (!strcmp(args[0], "userlist")) { /* new userlist */
1329 struct userlist *newul;
1330
1331 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001332 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1333 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001334 err_code |= ERR_ALERT | ERR_FATAL;
1335 goto out;
1336 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001337 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1338 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001339
1340 err = invalid_char(args[1]);
1341 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001342 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1343 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001344 err_code |= ERR_ALERT | ERR_FATAL;
1345 goto out;
1346 }
1347
1348 for (newul = userlist; newul; newul = newul->next)
1349 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001350 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1351 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001352 err_code |= ERR_WARN;
1353 goto out;
1354 }
1355
Vincent Bernat02779b62016-04-03 13:48:43 +02001356 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001357 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001358 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001359 err_code |= ERR_ALERT | ERR_ABORT;
1360 goto out;
1361 }
1362
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001363 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001364 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001365 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001366 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001367 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001368 goto out;
1369 }
1370
1371 newul->next = userlist;
1372 userlist = newul;
1373
1374 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001375 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001376 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001377 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001378
1379 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001380 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1381 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001382 err_code |= ERR_ALERT | ERR_FATAL;
1383 goto out;
1384 }
1385
1386 err = invalid_char(args[1]);
1387 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001388 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1389 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001390 err_code |= ERR_ALERT | ERR_FATAL;
1391 goto out;
1392 }
1393
William Lallemand4ac9f542015-05-28 18:03:51 +02001394 if (!userlist)
1395 goto out;
1396
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001397 for (ag = userlist->groups; ag; ag = ag->next)
1398 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001399 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1400 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001401 err_code |= ERR_ALERT;
1402 goto out;
1403 }
1404
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001405 ag = calloc(1, sizeof(*ag));
1406 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001407 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001408 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001409 goto out;
1410 }
1411
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001412 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001413 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001414 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001415 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001416 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001417 goto out;
1418 }
1419
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001420 cur_arg = 2;
1421
1422 while (*args[cur_arg]) {
1423 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001424 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001425 cur_arg += 2;
1426 continue;
1427 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001428 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1429 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001430 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001431 free(ag->groupusers);
1432 free(ag->name);
1433 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001434 goto out;
1435 }
1436 }
1437
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001438 ag->next = userlist->groups;
1439 userlist->groups = ag;
1440
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001441 } else if (!strcmp(args[0], "user")) { /* new user */
1442 struct auth_users *newuser;
1443 int cur_arg;
1444
1445 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001446 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1447 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001448 err_code |= ERR_ALERT | ERR_FATAL;
1449 goto out;
1450 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001451 if (!userlist)
1452 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001453
1454 for (newuser = userlist->users; newuser; newuser = newuser->next)
1455 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001456 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1457 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001458 err_code |= ERR_ALERT;
1459 goto out;
1460 }
1461
Vincent Bernat02779b62016-04-03 13:48:43 +02001462 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001463 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001464 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001465 err_code |= ERR_ALERT | ERR_ABORT;
1466 goto out;
1467 }
1468
1469 newuser->user = strdup(args[1]);
1470
1471 newuser->next = userlist->users;
1472 userlist->users = newuser;
1473
1474 cur_arg = 2;
1475
1476 while (*args[cur_arg]) {
1477 if (!strcmp(args[cur_arg], "password")) {
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001478#ifdef CONFIG_HAP_CRYPT
1479 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001480 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1481 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001482 err_code |= ERR_ALERT | ERR_FATAL;
1483 goto out;
1484 }
1485#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001486 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1487 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001488 err_code |= ERR_ALERT;
1489#endif
1490 newuser->pass = strdup(args[cur_arg + 1]);
1491 cur_arg += 2;
1492 continue;
1493 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1494 newuser->pass = strdup(args[cur_arg + 1]);
1495 newuser->flags |= AU_O_INSECURE;
1496 cur_arg += 2;
1497 continue;
1498 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001499 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001500 cur_arg += 2;
1501 continue;
1502 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001503 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1504 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001505 err_code |= ERR_ALERT | ERR_FATAL;
1506 goto out;
1507 }
1508 }
1509 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001510 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 +01001511 err_code |= ERR_ALERT | ERR_FATAL;
1512 }
1513
1514out:
1515 return err_code;
1516}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001517
Christopher Faulet79bdef32016-11-04 22:36:15 +01001518int
1519cfg_parse_scope(const char *file, int linenum, char *line)
1520{
1521 char *beg, *end, *scope = NULL;
1522 int err_code = 0;
1523 const char *err;
1524
1525 beg = line + 1;
1526 end = strchr(beg, ']');
1527
1528 /* Detect end of scope declaration */
1529 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001530 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1531 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001532 err_code |= ERR_ALERT | ERR_FATAL;
1533 goto out;
1534 }
1535
1536 /* Get scope name and check its validity */
1537 scope = my_strndup(beg, end-beg);
1538 err = invalid_char(scope);
1539 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001540 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1541 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001542 err_code |= ERR_ALERT | ERR_ABORT;
1543 goto out;
1544 }
1545
1546 /* Be sure to have a scope declaration alone on its line */
1547 line = end+1;
1548 while (isspace((unsigned char)*line))
1549 line++;
1550 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001551 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1552 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001553 err_code |= ERR_ALERT | ERR_ABORT;
1554 goto out;
1555 }
1556
1557 /* We have a valid scope declaration, save it */
1558 free(cfg_scope);
1559 cfg_scope = scope;
1560 scope = NULL;
1561
1562 out:
1563 free(scope);
1564 return err_code;
1565}
1566
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001567int
1568cfg_parse_track_sc_num(unsigned int *track_sc_num,
1569 const char *arg, const char *end, char **errmsg)
1570{
1571 const char *p;
1572 unsigned int num;
1573
1574 p = arg;
1575 num = read_uint64(&arg, end);
1576
1577 if (arg != end) {
1578 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1579 return -1;
1580 }
1581
1582 if (num >= MAX_SESS_STKCTR) {
1583 memprintf(errmsg, "%u track-sc number exceeding "
1584 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1585 return -1;
1586 }
1587
1588 *track_sc_num = num;
1589 return 0;
1590}
1591
Willy Tarreaubaaee002006-06-26 02:48:02 +02001592/*
1593 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001594 * Returns the error code, 0 if OK, or any combination of :
1595 * - ERR_ABORT: must abort ASAP
1596 * - ERR_FATAL: we can continue parsing but not start the service
1597 * - ERR_WARN: a warning has been emitted
1598 * - ERR_ALERT: an alert has been emitted
1599 * Only the two first ones can stop processing, the two others are just
1600 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001601 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001602int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001603{
William Lallemand64e84512015-05-12 14:25:37 +02001604 char *thisline;
1605 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001606 FILE *f;
1607 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001608 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001609 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001610 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001611 int readbytes = 0;
1612
1613 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001614 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001615 return -1;
1616 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001617
David Carlier97880bb2016-04-08 10:35:26 +01001618 if ((f=fopen(file,"r")) == NULL) {
1619 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001620 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001621 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001622
William Lallemandb2f07452015-05-12 14:27:13 +02001623next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001624 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001625 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001626 char *end;
1627 char *args[MAX_LINE_ARGS + 1];
1628 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001629 int dquote = 0; /* double quote */
1630 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001631
Willy Tarreaubaaee002006-06-26 02:48:02 +02001632 linenum++;
1633
1634 end = line + strlen(line);
1635
William Lallemand64e84512015-05-12 14:25:37 +02001636 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001637 /* Check if we reached the limit and the last char is not \n.
1638 * Watch out for the last line without the terminating '\n'!
1639 */
William Lallemand64e84512015-05-12 14:25:37 +02001640 char *newline;
1641 int newlinesize = linesize * 2;
1642
1643 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1644 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001645 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1646 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001647 err_code |= ERR_ALERT | ERR_FATAL;
1648 continue;
1649 }
1650
1651 readbytes = linesize - 1;
1652 linesize = newlinesize;
1653 thisline = newline;
1654 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001655 }
1656
William Lallemand64e84512015-05-12 14:25:37 +02001657 readbytes = 0;
1658
Willy Tarreaubaaee002006-06-26 02:48:02 +02001659 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001660 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001661 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001662
Christopher Faulet79bdef32016-11-04 22:36:15 +01001663
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001664 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001665 err_code |= cfg_parse_scope(file, linenum, line);
1666 goto next_line;
1667 }
1668
Willy Tarreaubaaee002006-06-26 02:48:02 +02001669 arg = 0;
1670 args[arg] = line;
1671
1672 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001673 if (*line == '"' && !squote) { /* double quote outside single quotes */
1674 if (dquote)
1675 dquote = 0;
1676 else
1677 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001678 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001679 end--;
1680 }
1681 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1682 if (squote)
1683 squote = 0;
1684 else
1685 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001686 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001687 end--;
1688 }
1689 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001690 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1691 * C equivalent value. Other combinations left unchanged (eg: \1).
1692 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001693 int skip = 0;
1694 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1695 *line = line[1];
1696 skip = 1;
1697 }
1698 else if (line[1] == 'r') {
1699 *line = '\r';
1700 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001701 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001702 else if (line[1] == 'n') {
1703 *line = '\n';
1704 skip = 1;
1705 }
1706 else if (line[1] == 't') {
1707 *line = '\t';
1708 skip = 1;
1709 }
1710 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001711 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001712 unsigned char hex1, hex2;
1713 hex1 = toupper(line[2]) - '0';
1714 hex2 = toupper(line[3]) - '0';
1715 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1716 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1717 *line = (hex1<<4) + hex2;
1718 skip = 3;
1719 }
1720 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001721 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001722 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001723 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001724 } else if (line[1] == '"') {
1725 *line = '"';
1726 skip = 1;
1727 } else if (line[1] == '\'') {
1728 *line = '\'';
1729 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001730 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1731 *line = '$';
1732 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001733 }
1734 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001735 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001736 end -= skip;
1737 }
1738 line++;
1739 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001740 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001741 /* end of string, end of loop */
1742 *line = 0;
1743 break;
1744 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001745 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001746 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001747 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001748 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001749 line++;
1750 args[++arg] = line;
1751 }
William Lallemandb2f07452015-05-12 14:27:13 +02001752 else if (dquote && *line == '$') {
1753 /* environment variables are evaluated inside double quotes */
1754 char *var_beg;
1755 char *var_end;
1756 char save_char;
1757 char *value;
1758 int val_len;
1759 int newlinesize;
1760 int braces = 0;
1761
1762 var_beg = line + 1;
1763 var_end = var_beg;
1764
1765 if (*var_beg == '{') {
1766 var_beg++;
1767 var_end++;
1768 braces = 1;
1769 }
1770
1771 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001772 ha_alert("parsing [%s:%d] : Variable expansion: Unrecognized character '%c' in variable name.\n", file, linenum, *var_beg);
William Lallemandb2f07452015-05-12 14:27:13 +02001773 err_code |= ERR_ALERT | ERR_FATAL;
1774 goto next_line; /* skip current line */
1775 }
1776
1777 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
1778 var_end++;
1779
1780 save_char = *var_end;
1781 *var_end = '\0';
1782 value = getenv(var_beg);
1783 *var_end = save_char;
1784 val_len = value ? strlen(value) : 0;
1785
1786 if (braces) {
1787 if (*var_end == '}') {
1788 var_end++;
1789 braces = 0;
1790 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001791 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001792 err_code |= ERR_ALERT | ERR_FATAL;
1793 goto next_line; /* skip current line */
1794 }
1795 }
1796
1797 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
1798
1799 /* if not enough space in thisline */
1800 if (newlinesize > linesize) {
1801 char *newline;
1802
1803 newline = realloc(thisline, newlinesize * sizeof(*thisline));
1804 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001805 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001806 err_code |= ERR_ALERT | ERR_FATAL;
1807 goto next_line; /* slip current line */
1808 }
1809 /* recompute pointers if realloc returns a new pointer */
1810 if (newline != thisline) {
1811 int i;
1812 int diff;
1813
1814 for (i = 0; i <= arg; i++) {
1815 diff = args[i] - thisline;
1816 args[i] = newline + diff;
1817 }
1818
1819 diff = var_end - thisline;
1820 var_end = newline + diff;
1821 diff = end - thisline;
1822 end = newline + diff;
1823 diff = line - thisline;
1824 line = newline + diff;
1825 thisline = newline;
1826 }
1827 linesize = newlinesize;
1828 }
1829
1830 /* insert value inside the line */
1831 memmove(line + val_len, var_end, end - var_end + 1);
1832 memcpy(line, value, val_len);
1833 end += val_len - (var_end - line);
1834 line += val_len;
1835 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001836 else {
1837 line++;
1838 }
1839 }
William Lallemandb2f07452015-05-12 14:27:13 +02001840
William Lallemandf9873ba2015-05-05 17:37:14 +02001841 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001842 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02001843 err_code |= ERR_ALERT | ERR_FATAL;
1844 }
1845
1846 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001847 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02001848 err_code |= ERR_ALERT | ERR_FATAL;
1849 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001850
1851 /* empty line */
1852 if (!**args)
1853 continue;
1854
Willy Tarreau7bb651e2009-11-09 21:16:53 +01001855 if (*line) {
1856 /* we had to stop due to too many args.
1857 * Let's terminate the string, print the offending part then cut the
1858 * last arg.
1859 */
1860 while (*line && *line != '#' && *line != '\n' && *line != '\r')
1861 line++;
1862 *line = '\0';
1863
Christopher Faulet767a84b2017-11-24 16:50:31 +01001864 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
1865 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01001866 err_code |= ERR_ALERT | ERR_FATAL;
1867 args[arg] = line;
1868 }
1869
Willy Tarreau540abe42007-05-02 20:50:16 +02001870 /* zero out remaining args and ensure that at least one entry
1871 * is zeroed out.
1872 */
1873 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001874 args[arg] = line;
1875 }
1876
Willy Tarreau3842f002009-06-14 11:39:52 +02001877 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001878 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02001879 char *tmp;
1880
Willy Tarreau3842f002009-06-14 11:39:52 +02001881 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02001882 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001883 for (arg=0; *args[arg+1]; arg++)
1884 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02001885 *tmp = '\0'; // fix the next arg to \0
1886 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001887 }
Willy Tarreau3842f002009-06-14 11:39:52 +02001888 else if (!strcmp(args[0], "default")) {
1889 kwm = KWM_DEF;
1890 for (arg=0; *args[arg+1]; arg++)
1891 args[arg] = args[arg+1]; // shift args after inversion
1892 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001893
William Lallemand0f99e342011-10-12 17:50:54 +02001894 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01001895 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
1896 ha_alert("parsing [%s:%d]: negation/default currently supported only for options, log, and busy-polling.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02001897 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01001898 }
1899
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001900 /* detect section start */
1901 list_for_each_entry(ics, &sections, list) {
1902 if (strcmp(args[0], ics->section_name) == 0) {
1903 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001904 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001905 cs = ics;
1906 break;
1907 }
Emeric Brun32da3c42010-09-23 18:39:19 +02001908 }
1909
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001910 if (pcs && pcs->post_section_parser) {
1911 err_code |= pcs->post_section_parser();
1912 if (err_code & ERR_ABORT)
1913 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001914 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001915 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001916
William Lallemandd2ff56d2017-10-16 11:06:50 +02001917 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001918 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001919 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001920 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02001921 err_code |= cs->section_parser(file, linenum, args, kwm);
1922 if (err_code & ERR_ABORT)
1923 goto err;
1924 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001925 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02001926
Christopher Fauletbf7a9592018-12-02 09:37:38 +01001927 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01001928 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02001929
1930err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01001931 free(cfg_scope);
1932 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01001933 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02001934 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001935 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02001936 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02001937}
1938
Willy Tarreau64ab6072014-09-16 12:17:36 +02001939/* This function propagates processes from frontend <from> to backend <to> so
1940 * that it is always guaranteed that a backend pointed to by a frontend is
1941 * bound to all of its processes. After that, if the target is a "listen"
1942 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02001943 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02001944 * checked first to ensure that <to> is already bound to all processes of
1945 * <from>, there is no risk of looping and we ensure to follow the shortest
1946 * path to the destination.
1947 *
1948 * It is possible to set <to> to NULL for the first call so that the function
1949 * takes care of visiting the initial frontend in <from>.
1950 *
1951 * It is important to note that the function relies on the fact that all names
1952 * have already been resolved.
1953 */
1954void propagate_processes(struct proxy *from, struct proxy *to)
1955{
1956 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001957
1958 if (to) {
1959 /* check whether we need to go down */
1960 if (from->bind_proc &&
1961 (from->bind_proc & to->bind_proc) == from->bind_proc)
1962 return;
1963
1964 if (!from->bind_proc && !to->bind_proc)
1965 return;
1966
1967 to->bind_proc = from->bind_proc ?
1968 (to->bind_proc | from->bind_proc) : 0;
1969
1970 /* now propagate down */
1971 from = to;
1972 }
1973
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01001974 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02001975 return;
1976
Willy Tarreauf6b70012014-12-18 14:00:43 +01001977 if (from->state == PR_STSTOPPED)
1978 return;
1979
Willy Tarreau64ab6072014-09-16 12:17:36 +02001980 /* default_backend */
1981 if (from->defbe.be)
1982 propagate_processes(from, from->defbe.be);
1983
1984 /* use_backend */
1985 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02001986 if (rule->dynamic)
1987 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02001988 to = rule->be.backend;
1989 propagate_processes(from, to);
1990 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02001991}
1992
Willy Tarreaubb925012009-07-23 13:36:36 +02001993/*
1994 * Returns the error code, 0 if OK, or any combination of :
1995 * - ERR_ABORT: must abort ASAP
1996 * - ERR_FATAL: we can continue parsing but not start the service
1997 * - ERR_WARN: a warning has been emitted
1998 * - ERR_ALERT: an alert has been emitted
1999 * Only the two first ones can stop processing, the two others are just
2000 * indicators.
2001 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002002int check_config_validity()
2003{
2004 int cfgerr = 0;
2005 struct proxy *curproxy = NULL;
2006 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002007 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002008 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002009 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002010 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002011 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002012 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002013
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002014 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002015 /*
2016 * Now, check for the integrity of all that we have collected.
2017 */
2018
2019 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002020 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002021
Willy Tarreau193b8c62012-11-22 00:17:38 +01002022 if (!global.tune.max_http_hdr)
2023 global.tune.max_http_hdr = MAX_HTTP_HDR;
2024
2025 if (!global.tune.cookie_len)
2026 global.tune.cookie_len = CAPTURE_LEN;
2027
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002028 if (!global.tune.requri_len)
2029 global.tune.requri_len = REQURI_LEN;
2030
Willy Tarreaubafbe012017-11-24 17:34:44 +01002031 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002032
Willy Tarreaubafbe012017-11-24 17:34:44 +01002033 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002034
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002035 /* Post initialisation of the users and groups lists. */
2036 err_code = userlist_postinit();
2037 if (err_code != ERR_NONE)
2038 goto out;
2039
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002040 /* first, we will invert the proxy list order */
2041 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002042 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002043 struct proxy *next;
2044
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002045 next = proxies_list->next;
2046 proxies_list->next = curproxy;
2047 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002048 if (!next)
2049 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002050 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002051 }
2052
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002053 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002054 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002055 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002056 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002057 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002058 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002059 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002060 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002061
Willy Tarreau050536d2012-10-04 08:47:34 +02002062 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002063 /* proxy ID not set, use automatic numbering with first
2064 * spare entry starting with next_pxid.
2065 */
2066 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2067 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2068 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002069 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002070 next_pxid++;
2071
Willy Tarreau55ea7572007-06-17 19:56:27 +02002072
Willy Tarreaubaaee002006-06-26 02:48:02 +02002073 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002074 /* ensure we don't keep listeners uselessly bound */
2075 stop_proxy(curproxy);
Willy Tarreau02df7742015-05-01 19:59:56 +02002076 free((void *)curproxy->table.peers.name);
2077 curproxy->table.peers.p = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002078 continue;
2079 }
2080
Willy Tarreau102df612014-05-07 23:56:38 +02002081 /* Check multi-process mode compatibility for the current proxy */
2082
2083 if (curproxy->bind_proc) {
2084 /* an explicit bind-process was specified, let's check how many
2085 * processes remain.
2086 */
David Carliere6c39412015-07-02 07:00:17 +00002087 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002088
2089 curproxy->bind_proc &= nbits(global.nbproc);
2090 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002091 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 +02002092 curproxy->bind_proc = 1;
2093 }
2094 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002095 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 +02002096 curproxy->bind_proc = 0;
2097 }
2098 }
2099
Willy Tarreau3d209582014-05-09 17:06:11 +02002100 /* check and reduce the bind-proc of each listener */
2101 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2102 unsigned long mask;
2103
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002104 /* HTTP frontends with "h2" as ALPN/NPN will work in
2105 * HTTP/2 and absolutely require buffers 16kB or larger.
2106 */
2107#ifdef USE_OPENSSL
2108 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2109#ifdef OPENSSL_NPN_NEGOTIATED
2110 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002111 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002112 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",
2113 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002114 cfgerr++;
2115 }
2116#endif
2117#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2118 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002119 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002120 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",
2121 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002122 cfgerr++;
2123 }
2124#endif
2125 } /* HTTP && bufsize < 16384 */
2126#endif
2127
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002128 /* detect and address thread affinity inconsistencies */
2129 nbproc = 0;
2130 if (bind_conf->bind_proc)
2131 nbproc = my_ffsl(bind_conf->bind_proc);
2132
2133 mask = bind_conf->bind_thread[nbproc - 1];
Willy Tarreau0c026f42018-08-01 19:12:20 +02002134 if (mask && !(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002135 unsigned long new_mask = 0;
2136
2137 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002138 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002139 mask >>= global.nbthread;
2140 }
2141
2142 for (nbproc = 0; nbproc < LONGBITS; nbproc++) {
2143 if (!bind_conf->bind_proc || (bind_conf->bind_proc & (1UL << nbproc)))
2144 bind_conf->bind_thread[nbproc] = new_mask;
2145 }
2146 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",
2147 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2148 }
2149
2150 /* detect process and nbproc affinity inconsistencies */
Willy Tarreau3d209582014-05-09 17:06:11 +02002151 if (!bind_conf->bind_proc)
2152 continue;
2153
2154 mask = nbits(global.nbproc);
2155 if (curproxy->bind_proc)
2156 mask &= curproxy->bind_proc;
2157 /* mask cannot be null here thanks to the previous checks */
2158
David Carliere6c39412015-07-02 07:00:17 +00002159 nbproc = my_popcountl(bind_conf->bind_proc);
Willy Tarreau3d209582014-05-09 17:06:11 +02002160 bind_conf->bind_proc &= mask;
2161
2162 if (!bind_conf->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002163 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",
2164 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002165 bind_conf->bind_proc = mask & ~(mask - 1);
2166 }
2167 else if (!bind_conf->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002168 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",
2169 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002170 bind_conf->bind_proc = 0;
2171 }
2172 }
2173
Willy Tarreauff01a212009-03-15 13:46:16 +01002174 switch (curproxy->mode) {
2175 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002176 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002177 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002178 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2179 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002180 cfgerr++;
2181 }
2182
2183 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002184 ha_warning("config : servers will be ignored for %s '%s'.\n",
2185 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002186 break;
2187
2188 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002189 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002190 break;
2191
2192 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002193 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002194 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002195
2196 case PR_MODE_CLI:
2197 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2198 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002199 }
2200
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002201 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002202 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2203 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002204 err_code |= ERR_WARN;
2205 }
2206
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002207 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002208 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002209 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002210 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2211 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002212 cfgerr++;
2213 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002214#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002215 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002216 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2217 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002218 cfgerr++;
2219 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002220#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002221 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002222 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2223 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002224 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002225 }
2226 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002227 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002228 /* If no LB algo is set in a backend, and we're not in
2229 * transparent mode, dispatch mode nor proxy mode, we
2230 * want to use balance roundrobin by default.
2231 */
2232 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2233 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002234 }
2235 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002236
Willy Tarreau1620ec32011-08-06 17:05:02 +02002237 if (curproxy->options & PR_O_DISPATCH)
2238 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2239 else if (curproxy->options & PR_O_HTTP_PROXY)
2240 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2241 else if (curproxy->options & PR_O_TRANSP)
2242 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002243
Willy Tarreau1620ec32011-08-06 17:05:02 +02002244 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2245 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002246 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2247 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002248 err_code |= ERR_WARN;
2249 curproxy->options &= ~PR_O_DISABLE404;
2250 }
2251 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002252 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2253 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002254 err_code |= ERR_WARN;
2255 curproxy->options &= ~PR_O2_CHK_SNDST;
2256 }
Willy Tarreauef781042010-01-27 11:53:01 +01002257 }
2258
Simon Horman98637e52014-06-20 12:30:16 +09002259 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2260 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002261 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2262 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002263 cfgerr++;
2264 }
2265 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002266 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2267 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002268 cfgerr++;
2269 }
2270 }
2271
Simon Horman64e34162015-02-06 11:11:57 +09002272 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002273 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002274 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2275 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2276 "'email-alert myhostname', or 'email-alert to' "
2277 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2278 "to be present).\n",
2279 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002280 err_code |= ERR_WARN;
2281 free_email_alert(curproxy);
2282 }
2283 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002284 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002285 }
2286
Simon Horman98637e52014-06-20 12:30:16 +09002287 if (curproxy->check_command) {
2288 int clear = 0;
2289 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002290 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2291 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002292 err_code |= ERR_WARN;
2293 clear = 1;
2294 }
2295 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002296 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2297 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002298 cfgerr++;
2299 }
2300 if (clear) {
2301 free(curproxy->check_command);
2302 curproxy->check_command = NULL;
2303 }
2304 }
2305
2306 if (curproxy->check_path) {
2307 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002308 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2309 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002310 err_code |= ERR_WARN;
2311 free(curproxy->check_path);
2312 curproxy->check_path = NULL;
2313 }
2314 }
2315
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002316 /* if a default backend was specified, let's find it */
2317 if (curproxy->defbe.name) {
2318 struct proxy *target;
2319
Willy Tarreauafb39922015-05-26 12:04:09 +02002320 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002321 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002322 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2323 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002324 cfgerr++;
2325 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002326 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2327 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002328 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002329 } else if (target->mode != curproxy->mode &&
2330 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2331
Christopher Faulet767a84b2017-11-24 16:50:31 +01002332 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2333 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2334 curproxy->conf.file, curproxy->conf.line,
2335 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2336 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002337 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002338 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2339 ha_alert("%s %s '%s' (%s:%d) tries to use %s %s '%s' (%s:%d) as its default backend, both of which disagree on 'option http-use-htx'.\n",
2340 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2341 curproxy->conf.file, curproxy->conf.line,
2342 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2343 target->conf.file, target->conf.line);
2344 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002345 } else {
2346 free(curproxy->defbe.name);
2347 curproxy->defbe.be = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002348 /* Update tot_fe_maxconn for a further fullconn's computation */
2349 target->tot_fe_maxconn += curproxy->maxconn;
Willy Tarreauff678132012-02-13 14:32:34 +01002350 /* Emit a warning if this proxy also has some servers */
2351 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002352 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2353 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002354 err_code |= ERR_WARN;
2355 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002356 }
2357 }
2358
Emeric Brun3f783572017-01-12 11:21:28 +01002359 if (!curproxy->defbe.be && (curproxy->cap & PR_CAP_LISTEN) == PR_CAP_LISTEN) {
2360 /* Case of listen without default backend
2361 * The curproxy will be its own default backend
2362 * so we update tot_fe_maxconn for a further
2363 * fullconn's computation */
2364 curproxy->tot_fe_maxconn += curproxy->maxconn;
2365 }
2366
Willy Tarreau55ea7572007-06-17 19:56:27 +02002367 /* find the target proxy for 'use_backend' rules */
2368 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002369 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002370 struct logformat_node *node;
2371 char *pxname;
2372
2373 /* Try to parse the string as a log format expression. If the result
2374 * of the parsing is only one entry containing a simple string, then
2375 * it's a standard string corresponding to a static rule, thus the
2376 * parsing is cancelled and be.name is restored to be resolved.
2377 */
2378 pxname = rule->be.name;
2379 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002380 curproxy->conf.args.ctx = ARGC_UBK;
2381 curproxy->conf.args.file = rule->file;
2382 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002383 err = NULL;
2384 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002385 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2386 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002387 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002388 cfgerr++;
2389 continue;
2390 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002391 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2392
2393 if (!LIST_ISEMPTY(&rule->be.expr)) {
2394 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2395 rule->dynamic = 1;
2396 free(pxname);
2397 continue;
2398 }
2399 /* simple string: free the expression and fall back to static rule */
2400 free(node->arg);
2401 free(node);
2402 }
2403
2404 rule->dynamic = 0;
2405 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002406
Willy Tarreauafb39922015-05-26 12:04:09 +02002407 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002408 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002409 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2410 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002411 cfgerr++;
2412 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002413 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2414 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002415 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002416 } else if (target->mode != curproxy->mode &&
2417 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2418
Christopher Faulet767a84b2017-11-24 16:50:31 +01002419 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2420 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2421 curproxy->conf.file, curproxy->conf.line,
2422 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2423 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002424 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002425 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2426 ha_alert("%s %s '%s' (%s:%d) tries to use %s %s '%s' (%s:%d) in a 'use_backend' rule, both of which disagree on 'option http-use-htx'.\n",
2427 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2428 curproxy->conf.file, curproxy->conf.line,
2429 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2430 target->conf.file, target->conf.line);
2431 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002432 } else {
2433 free((void *)rule->be.name);
2434 rule->be.backend = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002435 /* For each target of switching rules, we update
2436 * their tot_fe_maxconn, except if a previous rule point
2437 * on the same backend or on the default backend */
2438 if (rule->be.backend != curproxy->defbe.be) {
2439 struct switching_rule *swrule;
2440
2441 list_for_each_entry(swrule, &curproxy->switching_rules, list) {
2442 if (rule == swrule) {
2443 target->tot_fe_maxconn += curproxy->maxconn;
2444 break;
2445 }
2446 else if (!swrule->dynamic && swrule->be.backend == rule->be.backend) {
2447 /* there is multiple ref of this backend */
2448 break;
2449 }
2450 }
2451 }
Willy Tarreau55ea7572007-06-17 19:56:27 +02002452 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002453 }
2454
Willy Tarreau64ab6072014-09-16 12:17:36 +02002455 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002456 list_for_each_entry(srule, &curproxy->server_rules, list) {
2457 struct server *target = findserver(curproxy, srule->srv.name);
2458
2459 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002460 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2461 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002462 cfgerr++;
2463 continue;
2464 }
2465 free((void *)srule->srv.name);
2466 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002467 }
2468
Emeric Brunb982a3d2010-01-04 15:45:53 +01002469 /* find the target table for 'stick' rules */
2470 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
2471 struct proxy *target;
2472
Emeric Brun1d33b292010-01-04 15:47:17 +01002473 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2474 if (mrule->flags & STK_IS_STORE)
2475 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2476
Emeric Brunb982a3d2010-01-04 15:45:53 +01002477 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002478 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002479 else
2480 target = curproxy;
2481
2482 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002483 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
2484 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002485 cfgerr++;
2486 }
2487 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002488 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2489 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002490 cfgerr++;
2491 }
Willy Tarreau12785782012-04-27 21:37:17 +02002492 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002493 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2494 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002495 cfgerr++;
2496 }
2497 else {
2498 free((void *)mrule->table.name);
2499 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002500 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002501 }
2502 }
2503
2504 /* find the target table for 'store response' rules */
2505 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
2506 struct proxy *target;
2507
Emeric Brun1d33b292010-01-04 15:47:17 +01002508 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2509
Emeric Brunb982a3d2010-01-04 15:45:53 +01002510 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002511 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002512 else
2513 target = curproxy;
2514
2515 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002516 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
2517 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002518 cfgerr++;
2519 }
2520 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002521 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2522 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002523 cfgerr++;
2524 }
Willy Tarreau12785782012-04-27 21:37:17 +02002525 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002526 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2527 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002528 cfgerr++;
2529 }
2530 else {
2531 free((void *)mrule->table.name);
2532 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002533 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002534 }
2535 }
2536
Christopher Faulete4e830d2017-09-18 14:51:41 +02002537 /* check validity for 'tcp-request' layer 4 rules */
2538 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2539 err = NULL;
2540 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002541 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002542 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002543 cfgerr++;
2544 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002545 }
2546
Christopher Faulete4e830d2017-09-18 14:51:41 +02002547 /* check validity for 'tcp-request' layer 5 rules */
2548 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2549 err = NULL;
2550 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002551 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002552 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002553 cfgerr++;
2554 }
2555 }
2556
Christopher Faulete4e830d2017-09-18 14:51:41 +02002557 /* check validity for 'tcp-request' layer 6 rules */
2558 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2559 err = NULL;
2560 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002561 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002562 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002563 cfgerr++;
2564 }
2565 }
2566
Christopher Faulete4e830d2017-09-18 14:51:41 +02002567 /* check validity for 'http-request' layer 7 rules */
2568 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2569 err = NULL;
2570 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002571 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002572 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002573 cfgerr++;
2574 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002575 }
2576
Christopher Faulete4e830d2017-09-18 14:51:41 +02002577 /* check validity for 'http-response' layer 7 rules */
2578 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2579 err = NULL;
2580 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002581 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002582 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002583 cfgerr++;
2584 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002585 }
2586
Willy Tarreaub3dc39d2014-04-28 22:06:57 +02002587 /* move any "block" rules at the beginning of the http-request rules */
2588 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
2589 /* insert block_rules into http_req_rules at the beginning */
2590 curproxy->block_rules.p->n = curproxy->http_req_rules.n;
2591 curproxy->http_req_rules.n->p = curproxy->block_rules.p;
2592 curproxy->block_rules.n->p = &curproxy->http_req_rules;
2593 curproxy->http_req_rules.n = curproxy->block_rules.n;
2594 LIST_INIT(&curproxy->block_rules);
2595 }
2596
Emeric Brun32da3c42010-09-23 18:39:19 +02002597 if (curproxy->table.peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002598 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002599
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002600 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +02002601 if (strcmp(curpeers->id, curproxy->table.peers.name) == 0) {
2602 free((void *)curproxy->table.peers.name);
Willy Tarreau973ca492013-01-17 21:34:52 +01002603 curproxy->table.peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002604 break;
2605 }
2606 }
2607
2608 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002609 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
2610 curproxy->id, curproxy->table.peers.name);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002611 free((void *)curproxy->table.peers.name);
2612 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002613 cfgerr++;
2614 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002615 else if (curpeers->state == PR_STSTOPPED) {
2616 /* silently disable this peers section */
2617 curproxy->table.peers.p = NULL;
2618 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002619 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002620 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2621 curproxy->id, localpeer, curpeers->id);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002622 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002623 cfgerr++;
2624 }
2625 }
2626
Simon Horman9dc49962015-01-30 11:22:59 +09002627
2628 if (curproxy->email_alert.mailers.name) {
2629 struct mailers *curmailers = mailers;
2630
2631 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002632 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002633 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002634 }
Simon Horman9dc49962015-01-30 11:22:59 +09002635 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002636 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2637 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002638 free_email_alert(curproxy);
2639 cfgerr++;
2640 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002641 else {
2642 err = NULL;
2643 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002644 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002645 free(err);
2646 cfgerr++;
2647 }
2648 }
Simon Horman9dc49962015-01-30 11:22:59 +09002649 }
2650
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002651 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & ST_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002652 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002653 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002654 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2655 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002656 cfgerr++;
2657 goto out_uri_auth_compat;
2658 }
2659
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002660 if (curproxy->uri_auth && curproxy->uri_auth->userlist && !(curproxy->uri_auth->flags & ST_CONVDONE)) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002661 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002662 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002663 int i = 0;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002664
Willy Tarreau95fa4692010-02-01 13:05:50 +01002665 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2666 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002667
2668 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002669 uri_auth_compat_req[i++] = "realm";
2670 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2671 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002672
Willy Tarreau95fa4692010-02-01 13:05:50 +01002673 uri_auth_compat_req[i++] = "unless";
2674 uri_auth_compat_req[i++] = "{";
2675 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2676 uri_auth_compat_req[i++] = "}";
2677 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002678
Willy Tarreauff011f22011-01-06 17:51:27 +01002679 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2680 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002681 cfgerr++;
2682 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002683 }
2684
Willy Tarreauff011f22011-01-06 17:51:27 +01002685 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002686
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002687 if (curproxy->uri_auth->auth_realm) {
2688 free(curproxy->uri_auth->auth_realm);
2689 curproxy->uri_auth->auth_realm = NULL;
2690 }
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002691
2692 curproxy->uri_auth->flags |= ST_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002693 }
2694out_uri_auth_compat:
2695
Dragan Dosen43885c72015-10-01 13:18:13 +02002696 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002697 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002698 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2699 if (!curproxy->conf.logformat_sd_string) {
2700 /* set the default logformat_sd_string */
2701 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2702 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002703 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002704 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002705 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002706
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002707 /* compile the log format */
2708 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002709 if (curproxy->conf.logformat_string != default_http_log_format &&
2710 curproxy->conf.logformat_string != default_tcp_log_format &&
2711 curproxy->conf.logformat_string != clf_http_log_format)
2712 free(curproxy->conf.logformat_string);
2713 curproxy->conf.logformat_string = NULL;
2714 free(curproxy->conf.lfs_file);
2715 curproxy->conf.lfs_file = NULL;
2716 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002717
2718 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2719 free(curproxy->conf.logformat_sd_string);
2720 curproxy->conf.logformat_sd_string = NULL;
2721 free(curproxy->conf.lfsd_file);
2722 curproxy->conf.lfsd_file = NULL;
2723 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002724 }
2725
Willy Tarreau62a61232013-04-12 18:13:46 +02002726 if (curproxy->conf.logformat_string) {
2727 curproxy->conf.args.ctx = ARGC_LOG;
2728 curproxy->conf.args.file = curproxy->conf.lfs_file;
2729 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002730 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002731 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002732 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002733 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2734 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002735 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002736 cfgerr++;
2737 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002738 curproxy->conf.args.file = NULL;
2739 curproxy->conf.args.line = 0;
2740 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002741
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002742 if (curproxy->conf.logformat_sd_string) {
2743 curproxy->conf.args.ctx = ARGC_LOGSD;
2744 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2745 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002746 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002747 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002748 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002749 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2750 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002751 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002752 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002753 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002754 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2755 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002756 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002757 cfgerr++;
2758 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002759 curproxy->conf.args.file = NULL;
2760 curproxy->conf.args.line = 0;
2761 }
2762
Willy Tarreau62a61232013-04-12 18:13:46 +02002763 if (curproxy->conf.uniqueid_format_string) {
2764 curproxy->conf.args.ctx = ARGC_UIF;
2765 curproxy->conf.args.file = curproxy->conf.uif_file;
2766 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002767 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002768 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id, LOG_OPT_HTTP,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002769 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002770 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2771 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002772 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002773 cfgerr++;
2774 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002775 curproxy->conf.args.file = NULL;
2776 curproxy->conf.args.line = 0;
2777 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002778
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002779 /* only now we can check if some args remain unresolved.
2780 * This must be done after the users and groups resolution.
2781 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002782 cfgerr += smp_resolve_args(curproxy);
2783 if (!cfgerr)
2784 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002785
Willy Tarreau2738a142006-07-08 17:28:09 +02002786 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002787 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002788 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002789 (!curproxy->timeout.connect ||
2790 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002791 ha_warning("config : missing timeouts for %s '%s'.\n"
2792 " | While not properly invalid, you will certainly encounter various problems\n"
2793 " | with such a configuration. To fix this, please ensure that all following\n"
2794 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2795 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002796 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002797 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002798
Willy Tarreau1fa31262007-12-03 00:36:16 +01002799 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2800 * We must still support older configurations, so let's find out whether those
2801 * parameters have been set or must be copied from contimeouts.
2802 */
2803 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002804 if (!curproxy->timeout.tarpit ||
2805 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002806 /* tarpit timeout not set. We search in the following order:
2807 * default.tarpit, curr.connect, default.connect.
2808 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002809 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01002810 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002811 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002812 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002813 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002814 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002815 }
2816 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002817 (!curproxy->timeout.queue ||
2818 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002819 /* queue timeout not set. We search in the following order:
2820 * default.queue, curr.connect, default.connect.
2821 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002822 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01002823 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002824 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002825 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002826 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002827 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002828 }
2829 }
2830
Willy Tarreau1620ec32011-08-06 17:05:02 +02002831 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_SSL3_CHK) {
Willy Tarreau137325d2010-02-01 16:38:17 +01002832 curproxy->check_len = sizeof(sslv3_client_hello_pkt) - 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02002833 curproxy->check_req = malloc(curproxy->check_len);
Willy Tarreau137325d2010-02-01 16:38:17 +01002834 memcpy(curproxy->check_req, sslv3_client_hello_pkt, curproxy->check_len);
Willy Tarreauf3c69202006-07-09 16:42:34 +02002835 }
2836
Willy Tarreau215663d2014-06-13 18:30:23 +02002837 if (!LIST_ISEMPTY(&curproxy->tcpcheck_rules) &&
2838 (curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_TCPCHK_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002839 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
2840 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02002841 err_code |= ERR_WARN;
2842 }
2843
Willy Tarreau193b8c62012-11-22 00:17:38 +01002844 /* ensure that cookie capture length is not too large */
2845 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002846 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
2847 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002848 err_code |= ERR_WARN;
2849 curproxy->capture_len = global.tune.cookie_len - 1;
2850 }
2851
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002852 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01002853 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002854 curproxy->req_cap_pool = create_pool("ptrcap",
2855 curproxy->nb_req_cap * sizeof(char *),
2856 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002857 }
2858
2859 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02002860 curproxy->rsp_cap_pool = create_pool("ptrcap",
2861 curproxy->nb_rsp_cap * sizeof(char *),
2862 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01002863 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02002864
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002865 switch (curproxy->load_server_state_from_file) {
2866 case PR_SRV_STATE_FILE_UNSPEC:
2867 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
2868 break;
2869 case PR_SRV_STATE_FILE_GLOBAL:
2870 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002871 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",
2872 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02002873 err_code |= ERR_WARN;
2874 }
2875 break;
2876 }
2877
Willy Tarreaubaaee002006-06-26 02:48:02 +02002878 /* first, we will invert the servers list order */
2879 newsrv = NULL;
2880 while (curproxy->srv) {
2881 struct server *next;
2882
2883 next = curproxy->srv->next;
2884 curproxy->srv->next = newsrv;
2885 newsrv = curproxy->srv;
2886 if (!next)
2887 break;
2888 curproxy->srv = next;
2889 }
2890
Willy Tarreau17edc812014-01-03 12:14:34 +01002891 /* Check that no server name conflicts. This causes trouble in the stats.
2892 * We only emit a warning for the first conflict affecting each server,
2893 * in order to avoid combinatory explosion if all servers have the same
2894 * name. We do that only for servers which do not have an explicit ID,
2895 * because these IDs were made also for distinguishing them and we don't
2896 * want to annoy people who correctly manage them.
2897 */
2898 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
2899 struct server *other_srv;
2900
2901 if (newsrv->puid)
2902 continue;
2903
2904 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
2905 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002906 ha_warning("parsing [%s:%d] : %s '%s', another server named '%s' was defined without an explicit ID at line %d, this is not recommended.\n",
2907 newsrv->conf.file, newsrv->conf.line,
2908 proxy_type_str(curproxy), curproxy->id,
2909 newsrv->id, other_srv->conf.line);
Willy Tarreau17edc812014-01-03 12:14:34 +01002910 break;
2911 }
2912 }
2913 }
2914
Willy Tarreaudd701652010-05-25 23:03:02 +02002915 /* assign automatic UIDs to servers which don't have one yet */
2916 next_id = 1;
2917 newsrv = curproxy->srv;
2918 while (newsrv != NULL) {
2919 if (!newsrv->puid) {
2920 /* server ID not set, use automatic numbering with first
2921 * spare entry starting with next_svid.
2922 */
2923 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
2924 newsrv->conf.id.key = newsrv->puid = next_id;
2925 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
2926 }
2927 next_id++;
2928 newsrv = newsrv->next;
2929 }
2930
Willy Tarreau20697042007-11-15 23:26:18 +01002931 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01002932 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02002933
Willy Tarreau62c3be22012-01-20 13:12:32 +01002934 /*
2935 * If this server supports a maxconn parameter, it needs a dedicated
2936 * tasks to fill the emptied slots when a connection leaves.
2937 * Also, resolve deferred tracking dependency if needed.
2938 */
2939 newsrv = curproxy->srv;
2940 while (newsrv != NULL) {
2941 if (newsrv->minconn > newsrv->maxconn) {
2942 /* Only 'minconn' was specified, or it was higher than or equal
2943 * to 'maxconn'. Let's turn this into maxconn and clean it, as
2944 * this will avoid further useless expensive computations.
2945 */
2946 newsrv->maxconn = newsrv->minconn;
2947 } else if (newsrv->maxconn && !newsrv->minconn) {
2948 /* minconn was not specified, so we set it to maxconn */
2949 newsrv->minconn = newsrv->maxconn;
2950 }
2951
Willy Tarreau17d45382016-12-22 21:16:08 +01002952 /* this will also properly set the transport layer for prod and checks */
2953 if (newsrv->use_ssl || newsrv->check.use_ssl) {
2954 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
2955 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
2956 }
Emeric Brun94324a42012-10-11 14:00:19 +02002957
Willy Tarreau2f075e92013-12-03 11:11:34 +01002958 /* set the check type on the server */
2959 newsrv->check.type = curproxy->options2 & PR_O2_CHK_ANY;
2960
Willy Tarreau62c3be22012-01-20 13:12:32 +01002961 if (newsrv->trackit) {
2962 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02002963 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01002964 char *pname, *sname;
2965
2966 pname = newsrv->trackit;
2967 sname = strrchr(pname, '/');
2968
2969 if (sname)
2970 *sname++ = '\0';
2971 else {
2972 sname = pname;
2973 pname = NULL;
2974 }
2975
2976 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002977 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002978 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002979 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
2980 proxy_type_str(curproxy), curproxy->id,
2981 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002982 cfgerr++;
2983 goto next_srv;
2984 }
2985 } else
2986 px = curproxy;
2987
2988 srv = findserver(px, sname);
2989 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002990 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
2991 proxy_type_str(curproxy), curproxy->id,
2992 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01002993 cfgerr++;
2994 goto next_srv;
2995 }
2996
Willy Tarreau32091232014-05-16 13:52:00 +02002997 if (!(srv->check.state & CHK_ST_CONFIGURED) &&
2998 !(srv->agent.state & CHK_ST_CONFIGURED) &&
2999 !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003000 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3001 "tracking as it does not have any check nor agent enabled.\n",
3002 proxy_type_str(curproxy), curproxy->id,
3003 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003004 cfgerr++;
3005 goto next_srv;
3006 }
3007
3008 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3009
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003010 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003011 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3012 "belongs to a tracking chain looping back to %s/%s.\n",
3013 proxy_type_str(curproxy), curproxy->id,
3014 newsrv->id, px->id, srv->id, px->id,
3015 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003016 cfgerr++;
3017 goto next_srv;
3018 }
3019
3020 if (curproxy != px &&
3021 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003022 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3023 "tracking: disable-on-404 option inconsistency.\n",
3024 proxy_type_str(curproxy), curproxy->id,
3025 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003026 cfgerr++;
3027 goto next_srv;
3028 }
3029
Willy Tarreau62c3be22012-01-20 13:12:32 +01003030 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003031 newsrv->tracknext = srv->trackers;
3032 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003033
3034 free(newsrv->trackit);
3035 newsrv->trackit = NULL;
3036 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003037
Willy Tarreau62c3be22012-01-20 13:12:32 +01003038 next_srv:
3039 newsrv = newsrv->next;
3040 }
3041
Olivier Houchard4e694042017-03-14 20:01:29 +01003042 /*
3043 * Try to generate dynamic cookies for servers now.
3044 * It couldn't be done earlier, since at the time we parsed
3045 * the server line, we may not have known yet that we
3046 * should use dynamic cookies, or the secret key may not
3047 * have been provided yet.
3048 */
3049 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3050 newsrv = curproxy->srv;
3051 while (newsrv != NULL) {
3052 srv_set_dyncookie(newsrv);
3053 newsrv = newsrv->next;
3054 }
3055
3056 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003057 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003058 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003059 */
3060
3061 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3062 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3063 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003064 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3065 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3066 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003067 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3068 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3069 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003070 } else {
3071 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3072 fwrr_init_server_groups(curproxy);
3073 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003074 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003075
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003076 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003077 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3078 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3079 fwlc_init_server_tree(curproxy);
3080 } else {
3081 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3082 fas_init_server_tree(curproxy);
3083 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003084 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003085
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003086 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003087 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3088 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3089 chash_init_server_tree(curproxy);
3090 } else {
3091 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3092 init_server_map(curproxy);
3093 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003094 break;
3095 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003096 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003097
3098 if (curproxy->options & PR_O_LOGASAP)
3099 curproxy->to_log &= ~LW_BYTES;
3100
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003101 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003102 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3103 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003104 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3105 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003106 err_code |= ERR_WARN;
3107 }
3108
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003109 if (curproxy->mode != PR_MODE_HTTP) {
3110 int optnum;
3111
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003112 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003113 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3114 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003115 err_code |= ERR_WARN;
3116 curproxy->uri_auth = NULL;
3117 }
3118
Willy Tarreaude7dc882017-03-10 11:49:21 +01003119 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003120 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3121 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003122 err_code |= ERR_WARN;
3123 }
3124
3125 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003126 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3127 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003128 err_code |= ERR_WARN;
3129 }
3130
3131 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003132 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3133 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003134 err_code |= ERR_WARN;
3135 }
3136
3137 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003138 ha_warning("config : 'block' rules ignored for %s '%s' as they require HTTP mode.\n",
3139 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003140 err_code |= ERR_WARN;
3141 }
3142
3143 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003144 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3145 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003146 err_code |= ERR_WARN;
3147 }
3148
Willy Tarreau87cf5142011-08-19 22:57:24 +02003149 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003150 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3151 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003152 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003153 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003154 }
3155
3156 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003157 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3158 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003159 err_code |= ERR_WARN;
3160 curproxy->options &= ~PR_O_ORGTO;
3161 }
3162
3163 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3164 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3165 (curproxy->cap & cfg_opts[optnum].cap) &&
3166 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003167 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3168 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003169 err_code |= ERR_WARN;
3170 curproxy->options &= ~cfg_opts[optnum].val;
3171 }
3172 }
3173
3174 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3175 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3176 (curproxy->cap & cfg_opts2[optnum].cap) &&
3177 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003178 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3179 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003180 err_code |= ERR_WARN;
3181 curproxy->options2 &= ~cfg_opts2[optnum].val;
3182 }
3183 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003184
Willy Tarreau29fbe512015-08-20 19:35:14 +02003185#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003186 if (curproxy->conn_src.bind_hdr_occ) {
3187 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003188 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3189 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003190 err_code |= ERR_WARN;
3191 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003192#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003193 }
3194
Willy Tarreaubaaee002006-06-26 02:48:02 +02003195 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003196 * ensure that we're not cross-dressing a TCP server into HTTP.
3197 */
3198 newsrv = curproxy->srv;
3199 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003200 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003201 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3202 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003203 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003204 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003205
Willy Tarreau0cec3312011-10-31 13:49:26 +01003206 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003207 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3208 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003209 err_code |= ERR_WARN;
3210 }
3211
Willy Tarreauc93cd162014-05-13 15:54:22 +02003212 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003213 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3214 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003215 err_code |= ERR_WARN;
3216 }
3217
Willy Tarreau29fbe512015-08-20 19:35:14 +02003218#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003219 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3220 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003221 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3222 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003223 err_code |= ERR_WARN;
3224 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003225#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003226
Willy Tarreau46deab62018-04-28 07:18:15 +02003227 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3228 curproxy->options &= ~PR_O_REUSE_MASK;
3229
Willy Tarreau21d2af32008-02-14 20:25:24 +01003230 newsrv = newsrv->next;
3231 }
3232
Willy Tarreaue42bd962014-09-16 16:21:19 +02003233 /* check if we have a frontend with "tcp-request content" looking at L7
3234 * with no inspect-delay
3235 */
3236 if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
Christopher Faulete4e830d2017-09-18 14:51:41 +02003237 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
3238 if (arule->action == ACT_TCP_CAPTURE &&
3239 !(arule->arg.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003240 break;
Christopher Faulete4e830d2017-09-18 14:51:41 +02003241 if ((arule->action >= ACT_ACTION_TRK_SC0 && arule->action <= ACT_ACTION_TRK_SCMAX) &&
3242 !(arule->arg.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003243 break;
3244 }
3245
Christopher Faulete4e830d2017-09-18 14:51:41 +02003246 if (&arule->list != &curproxy->tcp_req.inspect_rules) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003247 ha_warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
3248 " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
3249 " This means that these rules will randomly find their contents. This can be fixed by"
3250 " setting the tcp-request inspect-delay.\n",
3251 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue42bd962014-09-16 16:21:19 +02003252 err_code |= ERR_WARN;
3253 }
3254 }
3255
Christopher Fauletd7c91962015-04-30 11:48:27 +02003256 /* Check filter configuration, if any */
3257 cfgerr += flt_check(curproxy);
3258
Willy Tarreauc1a21672009-08-16 22:37:44 +02003259 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003260 if (!curproxy->accept)
3261 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003262
Willy Tarreauc1a21672009-08-16 22:37:44 +02003263 if (curproxy->tcp_req.inspect_delay ||
3264 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003265 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003266
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003267 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003268 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003269 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003270 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003271
William Lallemandcf62f7e2018-10-26 14:47:40 +02003272 if (curproxy->mode == PR_MODE_CLI) {
3273 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3274 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3275 }
3276
Willy Tarreauc1a21672009-08-16 22:37:44 +02003277 /* both TCP and HTTP must check switching rules */
3278 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003279
3280 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003281 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003282 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3283 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 +01003284 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003285 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3286 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003287 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003288 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003289 }
3290
3291 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003292 if (curproxy->tcp_req.inspect_delay ||
3293 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3294 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3295
Emeric Brun97679e72010-09-23 17:56:44 +02003296 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3297 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3298
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003299 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003300 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003301 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003302 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003303
3304 /* If the backend does requires RDP cookie persistence, we have to
3305 * enable the corresponding analyser.
3306 */
3307 if (curproxy->options2 & PR_O2_RDPC_PRST)
3308 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003309
3310 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003311 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003312 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3313 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 +01003314 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003315 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3316 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003317 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003318 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003319 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003320
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003321 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003322 * attached to the current proxy */
3323 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3324 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003325 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003326
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003327 /* Special case for HTX because it is still experimental */
3328 if (curproxy->options2 & PR_O2_USE_HTX)
3329 mode = PROTO_MODE_HTX;
3330
Christopher Fauleta717b992018-04-10 14:43:00 +02003331 if (!bind_conf->mux_proto)
3332 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003333
3334 /* it is possible that an incorrect mux was referenced
3335 * due to the proxy's mode not being taken into account
3336 * on first pass. Let's adjust it now.
3337 */
3338 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3339
3340 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003341 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3342 proxy_type_str(curproxy), curproxy->id,
3343 (int)bind_conf->mux_proto->token.len,
3344 bind_conf->mux_proto->token.ptr,
3345 bind_conf->arg, bind_conf->file, bind_conf->line);
3346 cfgerr++;
3347 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003348
3349 /* update the mux */
3350 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003351 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003352 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3353 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003354 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003355
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003356 /* Special case for HTX because it is still experimental */
3357 if (curproxy->options2 & PR_O2_USE_HTX)
3358 mode = PROTO_MODE_HTX;
3359
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003360 if (!newsrv->mux_proto)
3361 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003362
3363 /* it is possible that an incorrect mux was referenced
3364 * due to the proxy's mode not being taken into account
3365 * on first pass. Let's adjust it now.
3366 */
3367 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3368
3369 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003370 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3371 proxy_type_str(curproxy), curproxy->id,
3372 (int)newsrv->mux_proto->token.len,
3373 newsrv->mux_proto->token.ptr,
3374 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3375 cfgerr++;
3376 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003377
3378 /* update the mux */
3379 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003380 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003381 }
3382
3383 /***********************************************************/
3384 /* At this point, target names have already been resolved. */
3385 /***********************************************************/
3386
3387 /* Check multi-process mode compatibility */
3388
3389 if (global.nbproc > 1 && global.stats_fe) {
3390 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3391 unsigned long mask;
3392
3393 mask = nbits(global.nbproc);
3394 if (global.stats_fe->bind_proc)
3395 mask &= global.stats_fe->bind_proc;
3396
3397 if (bind_conf->bind_proc)
3398 mask &= bind_conf->bind_proc;
3399
3400 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003401 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003402 break;
3403 }
3404 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003405 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 +02003406 }
3407 }
3408
3409 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003410 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003411 if (curproxy->bind_proc)
3412 continue;
3413
3414 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3415 unsigned long mask;
3416
Willy Tarreaue428b082015-05-04 21:57:58 +02003417 mask = bind_conf->bind_proc ? bind_conf->bind_proc : nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003418 curproxy->bind_proc |= mask;
3419 }
3420
3421 if (!curproxy->bind_proc)
Willy Tarreaue428b082015-05-04 21:57:58 +02003422 curproxy->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003423 }
3424
3425 if (global.stats_fe) {
3426 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3427 unsigned long mask;
3428
Cyril Bonté06181952016-02-24 00:14:54 +01003429 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003430 global.stats_fe->bind_proc |= mask;
3431 }
3432 if (!global.stats_fe->bind_proc)
Willy Tarreaue428b082015-05-04 21:57:58 +02003433 global.stats_fe->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003434 }
3435
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003436 /* propagate bindings from frontends to backends. Don't do it if there
3437 * are any fatal errors as we must not call it with unresolved proxies.
3438 */
3439 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003440 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003441 if (curproxy->cap & PR_CAP_FE)
3442 propagate_processes(curproxy, NULL);
3443 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003444 }
3445
3446 /* Bind each unbound backend to all processes when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003447 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003448 if (curproxy->bind_proc)
3449 continue;
Willy Tarreaue428b082015-05-04 21:57:58 +02003450 curproxy->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003451 }
3452
3453 /*******************************************************/
3454 /* At this step, all proxies have a non-null bind_proc */
3455 /*******************************************************/
3456
3457 /* perform the final checks before creating tasks */
3458
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003459 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003460 struct listener *listener;
3461 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003462
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003463 /* Configure SSL for each bind line.
3464 * Note: if configuration fails at some point, the ->ctx member
3465 * remains NULL so that listeners can later detach.
3466 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003467 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003468 if (bind_conf->xprt->prepare_bind_conf &&
3469 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003470 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003471 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003472
Willy Tarreaue6b98942007-10-29 01:09:36 +01003473 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003474 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003475 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003476 int nbproc;
3477
3478 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003479 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003480 nbits(global.nbproc));
3481
3482 if (!nbproc) /* no intersection between listener and frontend */
3483 nbproc = 1;
3484
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003485 if (!listener->luid) {
3486 /* listener ID not set, use automatic numbering with first
3487 * spare entry starting with next_luid.
3488 */
3489 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3490 listener->conf.id.key = listener->luid = next_id;
3491 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003492 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003493 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003494
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003495 /* enable separate counters */
3496 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003497 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003498 if (!listener->name)
3499 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003500 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003501
Willy Tarreaue6b98942007-10-29 01:09:36 +01003502 if (curproxy->options & PR_O_TCP_NOLING)
3503 listener->options |= LI_O_NOLINGER;
Willy Tarreau32368ce2012-09-06 11:10:55 +02003504 if (!listener->maxconn)
3505 listener->maxconn = curproxy->maxconn;
3506 if (!listener->backlog)
3507 listener->backlog = curproxy->backlog;
Willy Tarreau16a21472012-11-19 12:39:59 +01003508 if (!listener->maxaccept)
3509 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3510
3511 /* we want to have an optimal behaviour on single process mode to
3512 * maximize the work at once, but in multi-process we want to keep
3513 * some fairness between processes, so we target half of the max
3514 * number of events to be balanced over all the processes the proxy
3515 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3516 * used to disable the limit.
3517 */
3518 if (listener->maxaccept > 0) {
3519 if (nbproc > 1)
3520 listener->maxaccept = (listener->maxaccept + 1) / 2;
3521 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3522 }
3523
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003524 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003525 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003526 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003527
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003528 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003529 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003530
Willy Tarreau620408f2016-10-21 16:37:51 +02003531 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3532 listener->options |= LI_O_TCP_L5_RULES;
3533
Willy Tarreaude3041d2010-05-31 10:56:17 +02003534 if (curproxy->mon_mask.s_addr)
3535 listener->options |= LI_O_CHK_MONNET;
3536
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003537 /* smart accept mode is automatic in HTTP mode */
3538 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003539 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003540 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3541 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003542 }
3543
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003544 /* Release unused SSL configs */
3545 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003546 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3547 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003548 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003549
Willy Tarreau9504dd62018-10-15 09:37:03 +02003550 if (atleast2(curproxy->bind_proc & nbits(global.nbproc))) {
Willy Tarreau102df612014-05-07 23:56:38 +02003551 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003552 int count, maxproc = 0;
3553
3554 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003555 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003556 if (count > maxproc)
3557 maxproc = count;
3558 }
3559 /* backends have 0, frontends have 1 or more */
3560 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003561 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3562 " limited to process assigned to the current request.\n",
3563 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003564
Willy Tarreau102df612014-05-07 23:56:38 +02003565 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003566 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3567 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003568 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003569 }
Willy Tarreau102df612014-05-07 23:56:38 +02003570 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003571 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3572 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003573 }
3574 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003575
3576 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003577 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003578 if (curproxy->task) {
3579 curproxy->task->context = curproxy;
3580 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003581 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003582 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3583 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003584 cfgerr++;
3585 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003586 }
3587
Willy Tarreaufbb78422011-06-05 15:38:35 +02003588 /* automatically compute fullconn if not set. We must not do it in the
3589 * loop above because cross-references are not yet fully resolved.
3590 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003591 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003592 /* If <fullconn> is not set, let's set it to 10% of the sum of
3593 * the possible incoming frontend's maxconns.
3594 */
3595 if (!curproxy->fullconn && (curproxy->cap & PR_CAP_BE)) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003596 /* we have the sum of the maxconns in <total>. We only
3597 * keep 10% of that sum to set the default fullconn, with
3598 * a hard minimum of 1 (to avoid a divide by zero).
3599 */
Emeric Brun3f783572017-01-12 11:21:28 +01003600 curproxy->fullconn = (curproxy->tot_fe_maxconn + 9) / 10;
Willy Tarreaufbb78422011-06-05 15:38:35 +02003601 if (!curproxy->fullconn)
3602 curproxy->fullconn = 1;
3603 }
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01003604 }
3605
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003606 /*
3607 * Recount currently required checks.
3608 */
3609
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003610 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003611 int optnum;
3612
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003613 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3614 if (curproxy->options & cfg_opts[optnum].val)
3615 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003616
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003617 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3618 if (curproxy->options2 & cfg_opts2[optnum].val)
3619 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003620 }
3621
Willy Tarreau0fca4832015-05-01 19:12:05 +02003622 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003623 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Willy Tarreau0fca4832015-05-01 19:12:05 +02003624 if (curproxy->table.peers.p)
3625 curproxy->table.peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
3626
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003627 if (cfg_peers) {
3628 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003629 struct peer *p, *pb;
3630
Willy Tarreau1e273012015-05-01 19:15:17 +02003631 /* Remove all peers sections which don't have a valid listener,
3632 * which are not used by any table, or which are bound to more
3633 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003634 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003635 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003636 while (*last) {
3637 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003638
3639 if (curpeers->state == PR_STSTOPPED) {
3640 /* the "disabled" keyword was present */
3641 if (curpeers->peers_fe)
3642 stop_proxy(curpeers->peers_fe);
3643 curpeers->peers_fe = NULL;
3644 }
3645 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003646 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3647 curpeers->id, localpeer);
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003648 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003649 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003650 /* either it's totally stopped or too much used */
3651 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003652 ha_alert("Peers section '%s': peers referenced by sections "
3653 "running in different processes (%d different ones). "
3654 "Check global.nbproc and all tables' bind-process "
3655 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003656 cfgerr++;
3657 }
3658 stop_proxy(curpeers->peers_fe);
3659 curpeers->peers_fe = NULL;
3660 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003661 else {
Willy Tarreaud9443442018-10-15 11:18:03 +02003662 if (!peers_init_sync(curpeers)) {
3663 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3664 curpeers->id);
3665 cfgerr++;
3666 break;
3667 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003668 last = &curpeers->next;
3669 continue;
3670 }
3671
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003672 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003673 p = curpeers->remote;
3674 while (p) {
3675 pb = p->next;
3676 free(p->id);
3677 free(p);
3678 p = pb;
3679 }
3680
3681 /* Destroy and unlink this curpeers section.
3682 * Note: curpeers is backed up into *last.
3683 */
3684 free(curpeers->id);
3685 curpeers = curpeers->next;
3686 free(*last);
3687 *last = curpeers;
3688 }
3689 }
3690
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003691 /* initialize stick-tables on backend capable proxies. This must not
3692 * be done earlier because the data size may be discovered while parsing
3693 * other proxies.
3694 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003695 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003696 if (curproxy->state == PR_STSTOPPED)
3697 continue;
3698
3699 if (!stktable_init(&curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003700 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003701 cfgerr++;
3702 }
3703 }
3704
Simon Horman0d16a402015-01-30 11:22:58 +09003705 if (mailers) {
3706 struct mailers *curmailers = mailers, **last;
3707 struct mailer *m, *mb;
3708
3709 /* Remove all mailers sections which don't have a valid listener.
3710 * This can happen when a mailers section is never referenced.
3711 */
3712 last = &mailers;
3713 while (*last) {
3714 curmailers = *last;
3715 if (curmailers->users) {
3716 last = &curmailers->next;
3717 continue;
3718 }
3719
Christopher Faulet767a84b2017-11-24 16:50:31 +01003720 ha_warning("Removing incomplete section 'mailers %s'.\n",
3721 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003722
3723 m = curmailers->mailer_list;
3724 while (m) {
3725 mb = m->next;
3726 free(m->id);
3727 free(m);
3728 m = mb;
3729 }
3730
3731 /* Destroy and unlink this curmailers section.
3732 * Note: curmailers is backed up into *last.
3733 */
3734 free(curmailers->id);
3735 curmailers = curmailers->next;
3736 free(*last);
3737 *last = curmailers;
3738 }
3739 }
3740
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003741 /* Update server_state_file_name to backend name if backend is supposed to use
3742 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003743 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003744 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3745 curproxy->server_state_file_name == NULL)
3746 curproxy->server_state_file_name = strdup(curproxy->id);
3747 }
3748
Willy Tarreaubafbe012017-11-24 17:34:44 +01003749 pool_head_hdr_idx = create_pool("hdr_idx",
Willy Tarreauac1932d2011-10-24 19:14:41 +02003750 global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
Willy Tarreau34eb6712011-10-24 18:15:04 +02003751 MEM_F_SHARED);
3752
Ben Draut054fbee2018-04-13 15:43:04 -06003753 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
3754 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3755 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3756 curr_resolvers->id, curr_resolvers->conf.file,
3757 curr_resolvers->conf.line);
3758 err_code |= ERR_WARN;
3759 }
3760 }
3761
William Lallemand48b4bb42017-10-23 14:36:34 +02003762 list_for_each_entry(postparser, &postparsers, list) {
3763 if (postparser->func)
3764 cfgerr += postparser->func();
3765 }
3766
Willy Tarreaubb925012009-07-23 13:36:36 +02003767 if (cfgerr > 0)
3768 err_code |= ERR_ALERT | ERR_FATAL;
3769 out:
3770 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02003771}
3772
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003773/*
3774 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
3775 * parsing sessions.
3776 */
3777void cfg_register_keywords(struct cfg_kw_list *kwl)
3778{
3779 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
3780}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003781
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003782/*
3783 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
3784 */
3785void cfg_unregister_keywords(struct cfg_kw_list *kwl)
3786{
3787 LIST_DEL(&kwl->list);
3788 LIST_INIT(&kwl->list);
3789}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003790
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003791/* this function register new section in the haproxy configuration file.
3792 * <section_name> is the name of this new section and <section_parser>
3793 * is the called parser. If two section declaration have the same name,
3794 * only the first declared is used.
3795 */
3796int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02003797 int (*section_parser)(const char *, int, char **, int),
3798 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003799{
3800 struct cfg_section *cs;
3801
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003802 list_for_each_entry(cs, &sections, list) {
3803 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003804 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003805 return 0;
3806 }
3807 }
3808
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003809 cs = calloc(1, sizeof(*cs));
3810 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003811 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003812 return 0;
3813 }
3814
3815 cs->section_name = section_name;
3816 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02003817 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003818
3819 LIST_ADDQ(&sections, &cs->list);
3820
3821 return 1;
3822}
3823
William Lallemand48b4bb42017-10-23 14:36:34 +02003824/* this function register a new function which will be called once the haproxy
3825 * configuration file has been parsed. It's useful to check dependencies
3826 * between sections or to resolve items once everything is parsed.
3827 */
3828int cfg_register_postparser(char *name, int (*func)())
3829{
3830 struct cfg_postparser *cp;
3831
3832 cp = calloc(1, sizeof(*cp));
3833 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003834 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02003835 return 0;
3836 }
3837 cp->name = name;
3838 cp->func = func;
3839
3840 LIST_ADDQ(&postparsers, &cp->list);
3841
3842 return 1;
3843}
3844
Willy Tarreaubaaee002006-06-26 02:48:02 +02003845/*
David Carlier845efb52015-09-25 11:49:18 +01003846 * free all config section entries
3847 */
3848void cfg_unregister_sections(void)
3849{
3850 struct cfg_section *cs, *ics;
3851
3852 list_for_each_entry_safe(cs, ics, &sections, list) {
3853 LIST_DEL(&cs->list);
3854 free(cs);
3855 }
3856}
3857
Christopher Faulet7110b402016-10-26 11:09:44 +02003858void cfg_backup_sections(struct list *backup_sections)
3859{
3860 struct cfg_section *cs, *ics;
3861
3862 list_for_each_entry_safe(cs, ics, &sections, list) {
3863 LIST_DEL(&cs->list);
3864 LIST_ADDQ(backup_sections, &cs->list);
3865 }
3866}
3867
3868void cfg_restore_sections(struct list *backup_sections)
3869{
3870 struct cfg_section *cs, *ics;
3871
3872 list_for_each_entry_safe(cs, ics, backup_sections, list) {
3873 LIST_DEL(&cs->list);
3874 LIST_ADDQ(&sections, &cs->list);
3875 }
3876}
3877
Willy Tarreaue6552512018-11-26 11:33:13 +01003878/* these are the config sections handled by default */
3879REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
3880REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
3881REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
3882REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
3883REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
3884REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
3885REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
3886REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
3887REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
3888REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02003889
David Carlier845efb52015-09-25 11:49:18 +01003890/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02003891 * Local variables:
3892 * c-indent-level: 8
3893 * c-basic-offset: 8
3894 * End:
3895 */