blob: ecf62f997c688f70de40c0142b77ff104380961c [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Configuration parser
3 *
Willy Tarreauff011f22011-01-06 17:51:27 +01004 * Copyright 2000-2011 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Willy Tarreaue5733232019-05-22 19:24:06 +020013#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +020014/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
Willy Tarreaue5733232019-05-22 19:24:06 +020017#ifdef USE_CRYPT_H
Cyril Bonté1a0191d2014-08-29 20:20:02 +020018/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
Willy Tarreaue5733232019-05-22 19:24:06 +020021#endif /* USE_LIBCRYPT */
Cyril Bonté1a0191d2014-08-29 20:20:02 +020022
Willy Tarreaubaaee002006-06-26 02:48:02 +020023#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <netdb.h>
27#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020028#include <pwd.h>
29#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020030#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020031#include <sys/types.h>
32#include <sys/stat.h>
33#include <fcntl.h>
34#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035
Willy Tarreau2dd0d472006-06-29 17:53:05 +020036#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020037#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020038#include <common/config.h>
Willy Tarreau058e9072009-07-20 09:30:05 +020039#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020040#include <common/memory.h>
41#include <common/standard.h>
42#include <common/time.h>
43#include <common/uri_auth.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010044#include <common/namespace.h>
Emeric Brunc60def82017-09-27 14:59:38 +020045#include <common/hathreads.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046
47#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020048#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <types/global.h>
Willy Tarreau3fdb3662012-11-12 00:42:33 +010050#include <types/obj_type.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020051#include <types/peers.h>
Simon Horman0d16a402015-01-30 11:22:58 +090052#include <types/mailers.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +020053#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <types/stats.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020055
Willy Tarreaueb0c6142007-05-07 00:53:22 +020056#include <proto/acl.h>
Christopher Faulet4fce0d82017-09-18 11:57:31 +020057#include <proto/action.h>
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010058#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020059#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020060#include <proto/channel.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020061#include <proto/checks.h>
Baptiste Assmann201c07f2017-05-22 15:17:15 +020062#include <proto/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010063#include <proto/stats.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020064#include <proto/filters.h>
Willy Tarreaueb472682010-05-28 18:46:57 +020065#include <proto/frontend.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020066#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020067#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010068#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020069#include <proto/lb_fwlc.h>
70#include <proto/lb_fwrr.h>
71#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020072#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020073#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020074#include <proto/protocol.h>
Christopher Fauletfc9cfe42019-07-16 14:54:53 +020075#include <proto/http_ana.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010076#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020077#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020078#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020079#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020080#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020081#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010082#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010083#include <proto/task.h>
84#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020085#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020086
87
Willy Tarreauf3c69202006-07-09 16:42:34 +020088/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
89 * ssl-hello-chk option to ensure that the remote server speaks SSL.
90 *
91 * Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
92 */
93const char sslv3_client_hello_pkt[] = {
94 "\x16" /* ContentType : 0x16 = Hanshake */
95 "\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
96 "\x00\x79" /* ContentLength : 0x79 bytes after this one */
97 "\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
98 "\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
99 "\x03\x00" /* Hello Version : 0x0300 = v3 */
100 "\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
101 "HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
102 "\x00" /* Session ID length : empty (no session ID) */
103 "\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
104 "\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
105 "\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
106 "\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
107 "\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
108 "\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
109 "\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
110 "\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
111 "\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
112 "\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
113 "\x00\x38" "\x00\x39" "\x00\x3A"
114 "\x01" /* Compression Length : 0x01 = 1 byte for types */
115 "\x00" /* Compression Type : 0x00 = NULL compression */
116};
117
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +0100118/* Used to chain configuration sections definitions. This list
119 * stores struct cfg_section
120 */
121struct list sections = LIST_HEAD_INIT(sections);
122
William Lallemand48b4bb42017-10-23 14:36:34 +0200123struct list postparsers = LIST_HEAD_INIT(postparsers);
124
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100125char *cursection = NULL;
126struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreauc8d5b952019-02-27 17:25:52 +0100127int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100128int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100129char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200130
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200131/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100132struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200133 .list = LIST_HEAD_INIT(cfg_keywords.list)
134};
135
Willy Tarreaubaaee002006-06-26 02:48:02 +0200136/*
137 * converts <str> to a list of listeners which are dynamically allocated.
138 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
139 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
140 * - <port> is a numerical port from 1 to 65535 ;
141 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
142 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200143 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
144 * not NULL, it must be a valid pointer to either NULL or a freeable area that
145 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200146 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200147int 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 +0200148{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100149 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200150 int port, end;
151
152 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200153
Willy Tarreaubaaee002006-06-26 02:48:02 +0200154 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100155 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200156 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100157 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200158
159 str = next;
160 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100161 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200162 *next++ = 0;
163 }
164
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100165 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200166 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200167 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100168 if (!ss2)
169 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200170
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100171 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100172 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200173 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100174 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200175 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200176
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100177 if (!port || !end) {
178 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
179 goto fail;
180 }
181
Emeric Bruned760922010-10-22 17:59:25 +0200182 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200183 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200184 goto fail;
185 }
186
187 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200188 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200189 goto fail;
190 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200191 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100192 else if (ss2->ss_family == AF_UNSPEC) {
193 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100194 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100195
196 /* We want to attach to an already bound fd whose number
197 * is in the addr part of ss2 when cast to sockaddr_in.
198 * Note that by definition there is a single listener.
199 * We still have to determine the address family to
200 * register the correct protocol.
201 */
202 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
203 addr_len = sizeof(*ss2);
204 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
205 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
206 goto fail;
207 }
208
209 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200210
211 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
212 socklen_t addr_len;
213 inherited = 1;
214
215 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
216 addr_len = sizeof(*ss2);
217 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
218 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
219 goto fail;
220 }
221
222 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
223 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100224 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200225
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100226 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100227 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200228 memprintf(err, "%s for address '%s'.\n", *err, str);
229 goto fail;
230 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200231 } /* end while(next) */
232 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200233 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200234 fail:
235 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200236 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200237}
238
William Lallemand6e62fb62015-04-28 16:55:23 +0200239/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100240 * Report an error in <msg> when there are too many arguments. This version is
241 * intended to be used by keyword parsers so that the message will be included
242 * into the general error message. The index is the current keyword in args.
243 * Return 0 if the number of argument is correct, otherwise build a message and
244 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
245 * message may also be null, it will simply not be produced (useful to check only).
246 * <msg> and <err_code> are only affected on error.
247 */
248int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
249{
250 int i;
251
252 if (!*args[index + maxarg + 1])
253 return 0;
254
255 if (msg) {
256 *msg = NULL;
257 memprintf(msg, "%s", args[0]);
258 for (i = 1; i <= index; i++)
259 memprintf(msg, "%s %s", *msg, args[i]);
260
261 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
262 }
263 if (err_code)
264 *err_code |= ERR_ALERT | ERR_FATAL;
265
266 return 1;
267}
268
269/*
270 * same as too_many_args_idx with a 0 index
271 */
272int too_many_args(int maxarg, char **args, char **msg, int *err_code)
273{
274 return too_many_args_idx(maxarg, 0, args, msg, err_code);
275}
276
277/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200278 * Report a fatal Alert when there is too much arguments
279 * The index is the current keyword in args
280 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
281 * Fill err_code with an ERR_ALERT and an ERR_FATAL
282 */
283int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
284{
285 char *kw = NULL;
286 int i;
287
288 if (!*args[index + maxarg + 1])
289 return 0;
290
291 memprintf(&kw, "%s", args[0]);
292 for (i = 1; i <= index; i++) {
293 memprintf(&kw, "%s %s", kw, args[i]);
294 }
295
Christopher Faulet767a84b2017-11-24 16:50:31 +0100296 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 +0200297 free(kw);
298 *err_code |= ERR_ALERT | ERR_FATAL;
299 return 1;
300}
301
302/*
303 * same as alertif_too_many_args_idx with a 0 index
304 */
305int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
306{
307 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
308}
309
Willy Tarreau61d18892009-03-31 10:49:21 +0200310
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100311/* Report it if a request ACL condition uses some keywords that are incompatible
312 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
313 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
314 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100315 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100316int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100317{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100318 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200319 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100320
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100321 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100322 return 0;
323
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100324 acl = acl_cond_conflicts(cond, where);
325 if (acl) {
326 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100327 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
328 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100329 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100330 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
331 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100332 return ERR_WARN;
333 }
334 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100335 return 0;
336
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100337 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100338 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
339 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100340 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100341 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
342 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100343 return ERR_WARN;
344}
345
Christopher Faulet62519022017-10-16 15:49:32 +0200346/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100347 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100348 * two such numbers delimited by a dash ('-'). On success, it returns
349 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200350 *
351 * Note: this function can also be used to parse a thread number or a set of
352 * threads.
353 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100354int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200355{
Christopher Faulet26028f62017-11-22 15:01:51 +0100356 if (autoinc) {
357 *autoinc = 0;
358 if (strncmp(arg, "auto:", 5) == 0) {
359 arg += 5;
360 *autoinc = 1;
361 }
362 }
363
Christopher Faulet62519022017-10-16 15:49:32 +0200364 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100365 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200366 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100367 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200368 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100369 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200370 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100371 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100372 unsigned int low, high;
373
Christopher Faulet18cca782019-02-07 16:29:41 +0100374 for (p = arg; *p; p++) {
375 if (*p == '-' && !dash)
376 dash = p;
377 else if (!isdigit((int)*p)) {
378 memprintf(err, "'%s' is not a valid number/range.", arg);
379 return -1;
380 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100381 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100382
383 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100384 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100385 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100386
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100387 if (high < low) {
388 unsigned int swap = low;
389 low = high;
390 high = swap;
391 }
392
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100393 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100394 memprintf(err, "'%s' is not a valid number/range."
395 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100396 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100397 return 1;
398 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100399
400 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100401 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200402 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100403 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100404
Christopher Faulet5ab51772017-11-22 11:21:58 +0100405 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200406}
407
David Carlier7e351ee2017-12-01 09:14:02 +0000408#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200409/* Parse cpu sets. Each CPU set is either a unique number between 0 and
410 * <LONGBITS> or a range with two such numbers delimited by a dash
411 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
412 * returns 0. otherwise it returns 1 with an error message in <err>.
413 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100414unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200415{
416 int cur_arg = 0;
417
418 *cpu_set = 0;
419 while (*args[cur_arg]) {
420 char *dash;
421 unsigned int low, high;
422
423 if (!isdigit((int)*args[cur_arg])) {
424 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
425 return -1;
426 }
427
428 low = high = str2uic(args[cur_arg]);
429 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100430 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200431
432 if (high < low) {
433 unsigned int swap = low;
434 low = high;
435 high = swap;
436 }
437
438 if (high >= LONGBITS) {
439 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
440 return 1;
441 }
442
443 while (low <= high)
444 *cpu_set |= 1UL << low++;
445
446 cur_arg++;
447 }
448 return 0;
449}
David Carlier7e351ee2017-12-01 09:14:02 +0000450#endif
451
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200452void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200453{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100454 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200455 defproxy.mode = PR_MODE_TCP;
456 defproxy.state = PR_STNEW;
457 defproxy.maxconn = cfg_maxpconn;
458 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700459 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100460 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100461 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100462
Simon Horman66183002013-02-23 10:16:43 +0900463 defproxy.defsrv.check.inter = DEF_CHKINTR;
464 defproxy.defsrv.check.fastinter = 0;
465 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900466 defproxy.defsrv.agent.inter = DEF_CHKINTR;
467 defproxy.defsrv.agent.fastinter = 0;
468 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900469 defproxy.defsrv.check.rise = DEF_RISETIME;
470 defproxy.defsrv.check.fall = DEF_FALLTIME;
471 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
472 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200473 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900474 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100475 defproxy.defsrv.maxqueue = 0;
476 defproxy.defsrv.minconn = 0;
477 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100478 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100479 defproxy.defsrv.max_idle_conns = -1;
Willy Tarreau975b1552019-06-06 16:25:55 +0200480 defproxy.defsrv.pool_purge_delay = 5000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100481 defproxy.defsrv.slowstart = 0;
482 defproxy.defsrv.onerror = DEF_HANA_ONERR;
483 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
484 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900485
486 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200487 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200488}
489
Frédéric Lécaille18251032019-01-11 11:07:15 +0100490/* Allocate and initialize the frontend of a "peers" section found in
491 * file <file> at line <linenum> with <id> as ID.
492 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200493 * Note that this function may be called from "default-server"
494 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100495 */
496static int init_peers_frontend(const char *file, int linenum,
497 const char *id, struct peers *peers)
498{
499 struct proxy *p;
500
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200501 if (peers->peers_fe) {
502 p = peers->peers_fe;
503 goto out;
504 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100505
Frédéric Lécaille18251032019-01-11 11:07:15 +0100506 p = calloc(1, sizeof *p);
507 if (!p) {
508 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
509 return -1;
510 }
511
512 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200513 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100514 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200515 /* Finally store this frontend. */
516 peers->peers_fe = p;
517
518 out:
519 if (id && !p->id)
520 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200521 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100522 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100523 if (linenum != -1)
524 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100525
526 return 0;
527}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100528
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100529/* Only change ->file, ->line and ->arg struct bind_conf member values
530 * if already present.
531 */
532static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
533 const char *file, int line,
534 const char *arg, struct xprt_ops *xprt)
535{
536 struct bind_conf *bind_conf;
537
538 if (!LIST_ISEMPTY(&p->conf.bind)) {
539 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
540 free(bind_conf->file);
541 bind_conf->file = strdup(file);
542 bind_conf->line = line;
543 if (arg) {
544 free(bind_conf->arg);
545 bind_conf->arg = strdup(arg);
546 }
547 }
548 else {
549 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
550 }
551
552 return bind_conf;
553}
554
555/*
556 * Allocate a new struct peer parsed at line <linenum> in file <file>
557 * to be added to <peers>.
558 * Returns the new allocated structure if succeeded, NULL if not.
559 */
560static struct peer *cfg_peers_add_peer(struct peers *peers,
561 const char *file, int linenum,
562 const char *id, int local)
563{
564 struct peer *p;
565
566 p = calloc(1, sizeof *p);
567 if (!p) {
568 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
569 return NULL;
570 }
571
572 /* the peers are linked backwards first */
573 peers->count++;
574 p->next = peers->remote;
575 peers->remote = p;
576 p->conf.file = strdup(file);
577 p->conf.line = linenum;
578 p->last_change = now.tv_sec;
579 p->xprt = xprt_get(XPRT_RAW);
580 p->sock_init_arg = NULL;
581 HA_SPIN_INIT(&p->lock);
582 if (id)
583 p->id = strdup(id);
584 if (local) {
585 p->local = 1;
586 peers->local = p;
587 }
588
589 return p;
590}
591
Willy Tarreaubaaee002006-06-26 02:48:02 +0200592/*
William Lallemand51097192015-04-14 16:35:22 +0200593 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200594 * Returns the error code, 0 if OK, or any combination of :
595 * - ERR_ABORT: must abort ASAP
596 * - ERR_FATAL: we can continue parsing but not start the service
597 * - ERR_WARN: a warning has been emitted
598 * - ERR_ALERT: an alert has been emitted
599 * Only the two first ones can stop processing, the two others are just
600 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200601 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200602int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
603{
604 static struct peers *curpeers = NULL;
605 struct peer *newpeer = NULL;
606 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200607 struct bind_conf *bind_conf;
608 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200609 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100610 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100611 static int bind_line, peer_line;
612
613 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
614 int cur_arg;
615 static int kws_dumped;
616 struct bind_conf *bind_conf;
617 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200618
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100619 cur_arg = 1;
620
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200621 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
622 err_code |= ERR_ALERT | ERR_ABORT;
623 goto out;
624 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100625
626 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
627 NULL, xprt_get(XPRT_RAW));
628 if (*args[0] == 'b') {
629 struct listener *l;
630
631 if (peer_line) {
632 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
633 err_code |= ERR_ALERT | ERR_FATAL;
634 goto out;
635 }
636
637 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
638 if (errmsg && *errmsg) {
639 indent_msg(&errmsg, 2);
640 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
641 }
642 else
643 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
644 file, linenum, args[0], args[1], args[2]);
645 err_code |= ERR_FATAL;
646 goto out;
647 }
648 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
649 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100650 l->accept = session_accept_fd;
651 l->analysers |= curpeers->peers_fe->fe_req_ana;
652 l->default_target = curpeers->peers_fe->default_target;
653 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100654 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100655
656 bind_line = 1;
657 if (cfg_peers->local) {
658 newpeer = cfg_peers->local;
659 }
660 else {
661 /* This peer is local.
662 * Note that we do not set the peer ID. This latter is initialized
663 * when parsing "peer" or "server" line.
664 */
665 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
666 if (!newpeer) {
667 err_code |= ERR_ALERT | ERR_ABORT;
668 goto out;
669 }
670 }
671 newpeer->addr = l->addr;
672 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
673 cur_arg++;
674 }
675
676 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
677 int ret;
678
679 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
680 err_code |= ret;
681 if (ret) {
682 if (errmsg && *errmsg) {
683 indent_msg(&errmsg, 2);
684 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
685 }
686 else
687 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
688 file, linenum, args[cur_arg]);
689 if (ret & ERR_FATAL)
690 goto out;
691 }
692 cur_arg += 1 + kw->skip;
693 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100694 if (*args[cur_arg] != 0) {
Tim Duesterhus04bcaa12019-05-12 22:54:50 +0200695 char *kws = NULL;
696
697 if (!kws_dumped) {
698 kws_dumped = 1;
699 bind_dump_kws(&kws);
700 indent_msg(&kws, 4);
701 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100702 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
703 file, linenum, args[cur_arg], cursection,
704 kws ? " Registered keywords :" : "", kws ? kws: "");
705 free(kws);
706 err_code |= ERR_ALERT | ERR_FATAL;
707 goto out;
708 }
709 }
710 else if (strcmp(args[0], "default-server") == 0) {
711 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
712 err_code |= ERR_ALERT | ERR_ABORT;
713 goto out;
714 }
715 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200716 }
717 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100718 /* Initialize these static variables when entering a new "peers" section*/
719 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100720 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100721 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100722 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100723 goto out;
724 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200725
William Lallemand6e62fb62015-04-28 16:55:23 +0200726 if (alertif_too_many_args(1, file, linenum, args, &err_code))
727 goto out;
728
Emeric Brun32da3c42010-09-23 18:39:19 +0200729 err = invalid_char(args[1]);
730 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100731 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
732 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100733 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100734 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200735 }
736
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200737 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200738 /*
739 * If there are two proxies with the same name only following
740 * combinations are allowed:
741 */
742 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100743 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
744 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200745 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200746 }
747 }
748
Vincent Bernat02779b62016-04-03 13:48:43 +0200749 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100750 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200751 err_code |= ERR_ALERT | ERR_ABORT;
752 goto out;
753 }
754
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200755 curpeers->next = cfg_peers;
756 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200757 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200758 curpeers->conf.line = linenum;
759 curpeers->last_change = now.tv_sec;
760 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200761 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200762 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200763 else if (strcmp(args[0], "peer") == 0 ||
764 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100765 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200766
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100767 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100768 local_peer = !strcmp(args[1], localpeer);
769 /* The local peer may have already partially been parsed on a "bind" line. */
770 if (*args[0] == 'p') {
771 if (bind_line) {
772 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
773 err_code |= ERR_ALERT | ERR_FATAL;
774 goto out;
775 }
776 peer_line = 1;
777 }
778 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
779 /* The local peer has already been initialized on a "bind" line.
780 * Let's use it and store its ID.
781 */
782 newpeer = cfg_peers->local;
783 newpeer->id = strdup(localpeer);
784 }
785 else {
786 if (local_peer && cfg_peers->local) {
787 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
788 file, linenum, args[0], args[1],
789 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
790 err_code |= ERR_FATAL;
791 goto out;
792 }
793 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
794 if (!newpeer) {
795 err_code |= ERR_ALERT | ERR_ABORT;
796 goto out;
797 }
798 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200799
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100800 /* Line number and peer ID are updated only if this peer is the local one. */
801 if (init_peers_frontend(file,
802 newpeer->local ? linenum: -1,
803 newpeer->local ? newpeer->id : NULL,
804 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200805 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100806 goto out;
807 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100808
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100809 /* This initializes curpeer->peers->peers_fe->srv.
810 * The server address is parsed only if we are parsing a "peer" line,
811 * or if we are parsing a "server" line and the current peer is not the local one.
812 */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100813 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200814 if (!curpeers->peers_fe->srv)
Emeric Brun32da3c42010-09-23 18:39:19 +0200815 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200816
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100817 /* If the peer address has just been parsed, let's copy it to <newpeer>
818 * and initializes ->proto.
819 */
820 if (peer || !local_peer) {
821 newpeer->addr = curpeers->peers_fe->srv->addr;
822 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
823 }
824
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100825 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200826 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100827 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200828
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100829 newpeer->srv = curpeers->peers_fe->srv;
830 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200831 goto out;
832
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100833 /* The lines above are reserved to "peer" lines. */
834 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200835 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200836
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100837 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100838
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100839 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
840 if (errmsg && *errmsg) {
841 indent_msg(&errmsg, 2);
842 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100843 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100844 else
845 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
846 file, linenum, args[0], args[1], args[2]);
847 err_code |= ERR_FATAL;
848 goto out;
849 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100850
851 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
852 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100853 l->accept = session_accept_fd;
854 l->analysers |= curpeers->peers_fe->fe_req_ana;
855 l->default_target = curpeers->peers_fe->default_target;
856 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100857 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100858 }
859 else if (!strcmp(args[0], "table")) {
860 struct stktable *t, *other;
861 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100862 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100863
864 /* Line number and peer ID are updated only if this peer is the local one. */
865 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
866 err_code |= ERR_ALERT | ERR_ABORT;
867 goto out;
868 }
869
870 other = stktable_find_by_name(args[1]);
871 if (other) {
872 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
873 file, linenum, args[1],
874 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
875 other->proxy ? other->id : other->peers.p->id,
876 other->conf.file, other->conf.line);
877 err_code |= ERR_ALERT | ERR_FATAL;
878 goto out;
879 }
880
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100881 /* Build the stick-table name, concatenating the "peers" section name
882 * followed by a '/' character and the table name argument.
883 */
884 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100885 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100886 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
887 file, linenum, args[0], args[1]);
888 err_code |= ERR_ALERT | ERR_FATAL;
889 goto out;
890 }
891
892 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100893 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100894 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
895 file, linenum, args[0], args[1]);
896 err_code |= ERR_ALERT | ERR_FATAL;
897 goto out;
898 }
899
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100900 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100901 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100902 if (!t || !id) {
903 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
904 file, linenum, args[0], args[1]);
905 err_code |= ERR_ALERT | ERR_FATAL;
906 goto out;
907 }
908
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100909 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100910 if (err_code & ERR_FATAL)
911 goto out;
912
913 stktable_store_name(t);
914 t->next = stktables_list;
915 stktables_list = t;
916 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200917 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
918 curpeers->state = PR_STSTOPPED;
919 }
920 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
921 curpeers->state = PR_STNEW;
922 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200923 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100924 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200925 err_code |= ERR_ALERT | ERR_FATAL;
926 goto out;
927 }
928
929out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100930 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200931 return err_code;
932}
933
Baptiste Assmann325137d2015-04-13 23:40:55 +0200934/*
935 * Parse a <resolvers> section.
936 * Returns the error code, 0 if OK, or any combination of :
937 * - ERR_ABORT: must abort ASAP
938 * - ERR_FATAL: we can continue parsing but not start the service
939 * - ERR_WARN: a warning has been emitted
940 * - ERR_ALERT: an alert has been emitted
941 * Only the two first ones can stop processing, the two others are just
942 * indicators.
943 */
944int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
945{
946 static struct dns_resolvers *curr_resolvers = NULL;
947 struct dns_nameserver *newnameserver = NULL;
948 const char *err;
949 int err_code = 0;
950 char *errmsg = NULL;
951
952 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
953 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100954 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200955 err_code |= ERR_ALERT | ERR_ABORT;
956 goto out;
957 }
958
959 err = invalid_char(args[1]);
960 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100961 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
962 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200963 err_code |= ERR_ALERT | ERR_ABORT;
964 goto out;
965 }
966
967 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
968 /* Error if two resolvers owns the same name */
969 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100970 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
971 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200972 err_code |= ERR_ALERT | ERR_ABORT;
973 }
974 }
975
Vincent Bernat02779b62016-04-03 13:48:43 +0200976 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100977 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200978 err_code |= ERR_ALERT | ERR_ABORT;
979 goto out;
980 }
981
982 /* default values */
983 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
984 curr_resolvers->conf.file = strdup(file);
985 curr_resolvers->conf.line = linenum;
986 curr_resolvers->id = strdup(args[1]);
987 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200988 /* default maximum response size */
989 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100990 /* default hold period for nx, other, refuse and timeout is 30s */
991 curr_resolvers->hold.nx = 30000;
992 curr_resolvers->hold.other = 30000;
993 curr_resolvers->hold.refused = 30000;
994 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200995 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200996 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200997 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200998 curr_resolvers->timeout.resolve = 1000;
999 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001000 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001001 curr_resolvers->nb_nameservers = 0;
1002 LIST_INIT(&curr_resolvers->nameservers);
1003 LIST_INIT(&curr_resolvers->resolutions.curr);
1004 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +01001005 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001006 }
1007 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
1008 struct sockaddr_storage *sk;
1009 int port1, port2;
1010 struct protocol *proto;
1011
1012 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001013 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1014 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001015 err_code |= ERR_ALERT | ERR_FATAL;
1016 goto out;
1017 }
1018
1019 err = invalid_char(args[1]);
1020 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001021 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1022 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001023 err_code |= ERR_ALERT | ERR_FATAL;
1024 goto out;
1025 }
1026
Christopher Faulet67957bd2017-09-27 11:00:59 +02001027 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +01001028 /* Error if two resolvers owns the same name */
1029 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001030 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 -06001031 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +01001032 err_code |= ERR_ALERT | ERR_FATAL;
1033 }
1034 }
1035
Vincent Bernat02779b62016-04-03 13:48:43 +02001036 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001037 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001038 err_code |= ERR_ALERT | ERR_ABORT;
1039 goto out;
1040 }
1041
1042 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +02001043 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001044 newnameserver->resolvers = curr_resolvers;
1045 newnameserver->conf.file = strdup(file);
1046 newnameserver->conf.line = linenum;
1047 newnameserver->id = strdup(args[1]);
1048
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001049 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001050 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001051 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001052 err_code |= ERR_ALERT | ERR_FATAL;
1053 goto out;
1054 }
1055
1056 proto = protocol_by_family(sk->ss_family);
1057 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001058 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +02001059 file, linenum, args[0], args[1]);
1060 err_code |= ERR_ALERT | ERR_FATAL;
1061 goto out;
1062 }
1063
1064 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001065 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1066 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001067 err_code |= ERR_ALERT | ERR_FATAL;
1068 goto out;
1069 }
1070
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001071 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001072 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1073 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001074 err_code |= ERR_ALERT | ERR_FATAL;
1075 goto out;
1076 }
1077
Baptiste Assmann325137d2015-04-13 23:40:55 +02001078 newnameserver->addr = *sk;
1079 }
Ben Draut44e609b2018-05-29 15:40:08 -06001080 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1081 const char *whitespace = "\r\n\t ";
1082 char *resolv_line = NULL;
1083 int resolv_linenum = 0;
1084 FILE *f = NULL;
1085 char *address = NULL;
1086 struct sockaddr_storage *sk = NULL;
1087 struct protocol *proto;
1088 int duplicate_name = 0;
1089
1090 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1091 ha_alert("parsing [%s:%d] : out of memory.\n",
1092 file, linenum);
1093 err_code |= ERR_ALERT | ERR_FATAL;
1094 goto resolv_out;
1095 }
1096
1097 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1098 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1099 file, linenum);
1100 err_code |= ERR_ALERT | ERR_FATAL;
1101 goto resolv_out;
1102 }
1103
1104 sk = calloc(1, sizeof(*sk));
1105 if (sk == NULL) {
1106 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1107 resolv_linenum);
1108 err_code |= ERR_ALERT | ERR_FATAL;
1109 goto resolv_out;
1110 }
1111
1112 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1113 resolv_linenum++;
1114 if (strncmp(resolv_line, "nameserver", 10) != 0)
1115 continue;
1116
1117 address = strtok(resolv_line + 10, whitespace);
1118 if (address == resolv_line + 10)
1119 continue;
1120
1121 if (address == NULL) {
1122 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1123 resolv_linenum);
1124 err_code |= ERR_WARN;
1125 continue;
1126 }
1127
1128 duplicate_name = 0;
1129 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1130 if (strcmp(newnameserver->id, address) == 0) {
1131 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",
1132 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1133 err_code |= ERR_WARN;
1134 duplicate_name = 1;
1135 }
1136 }
1137
1138 if (duplicate_name)
1139 continue;
1140
1141 memset(sk, 0, sizeof(*sk));
1142 sk = str2ip2(address, sk, 1);
1143 if (!sk) {
1144 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1145 resolv_linenum, address);
1146 err_code |= ERR_WARN;
1147 continue;
1148 }
1149
1150 set_host_port(sk, 53);
1151
1152 proto = protocol_by_family(sk->ss_family);
1153 if (!proto || !proto->connect) {
1154 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1155 resolv_linenum, address);
1156 err_code |= ERR_WARN;
1157 continue;
1158 }
1159
1160 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1161 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1162 err_code |= ERR_ALERT | ERR_FATAL;
1163 goto resolv_out;
1164 }
1165
1166 newnameserver->conf.file = strdup("/etc/resolv.conf");
1167 if (newnameserver->conf.file == NULL) {
1168 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1169 err_code |= ERR_ALERT | ERR_FATAL;
1170 goto resolv_out;
1171 }
1172
1173 newnameserver->id = strdup(address);
1174 if (newnameserver->id == NULL) {
1175 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1176 err_code |= ERR_ALERT | ERR_FATAL;
1177 goto resolv_out;
1178 }
1179
1180 newnameserver->resolvers = curr_resolvers;
1181 newnameserver->conf.line = resolv_linenum;
1182 newnameserver->addr = *sk;
1183
1184 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1185 }
1186
1187resolv_out:
1188 free(sk);
1189 free(resolv_line);
1190 if (f != NULL)
1191 fclose(f);
1192 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001193 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1194 const char *res;
1195 unsigned int time;
1196
1197 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001198 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1199 file, linenum, args[0]);
1200 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001201 err_code |= ERR_ALERT | ERR_FATAL;
1202 goto out;
1203 }
1204 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001205 if (res == PARSE_TIME_OVER) {
1206 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 ms (~24.8 days).\n",
1207 file, linenum, args[1], args[0]);
1208 err_code |= ERR_ALERT | ERR_FATAL;
1209 goto out;
1210 }
1211 else if (res == PARSE_TIME_UNDER) {
1212 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 ms.\n",
1213 file, linenum, args[1], args[0]);
1214 err_code |= ERR_ALERT | ERR_FATAL;
1215 goto out;
1216 }
1217 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001218 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1219 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001220 err_code |= ERR_ALERT | ERR_FATAL;
1221 goto out;
1222 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001223 if (strcmp(args[1], "nx") == 0)
1224 curr_resolvers->hold.nx = time;
1225 else if (strcmp(args[1], "other") == 0)
1226 curr_resolvers->hold.other = time;
1227 else if (strcmp(args[1], "refused") == 0)
1228 curr_resolvers->hold.refused = time;
1229 else if (strcmp(args[1], "timeout") == 0)
1230 curr_resolvers->hold.timeout = time;
1231 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001232 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001233 else if (strcmp(args[1], "obsolete") == 0)
1234 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001235 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001236 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1237 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001238 err_code |= ERR_ALERT | ERR_FATAL;
1239 goto out;
1240 }
1241
1242 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001243 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001244 int i = 0;
1245
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001246 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001247 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1248 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001249 err_code |= ERR_ALERT | ERR_FATAL;
1250 goto out;
1251 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001252
1253 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001254 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001255 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1256 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001257 err_code |= ERR_ALERT | ERR_FATAL;
1258 goto out;
1259 }
1260
1261 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001262 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001263 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001264 ha_alert("parsing [%s:%d] : '%s' directive is not supported anymore (it never appeared in a stable release).\n",
Christopher Faulet767a84b2017-11-24 16:50:31 +01001265 file, linenum, args[0]);
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001266 err_code |= ERR_ALERT | ERR_FATAL;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001267 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001268 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001269 else if (strcmp(args[0], "resolve_retries") == 0) {
1270 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001271 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1272 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001273 err_code |= ERR_ALERT | ERR_FATAL;
1274 goto out;
1275 }
1276 curr_resolvers->resolve_retries = atoi(args[1]);
1277 }
1278 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001279 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001280 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1281 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001282 err_code |= ERR_ALERT | ERR_FATAL;
1283 goto out;
1284 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001285 else if (strcmp(args[1], "retry") == 0 ||
1286 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001287 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001288 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001289
1290 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001291 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1292 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001293 err_code |= ERR_ALERT | ERR_FATAL;
1294 goto out;
1295 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001296 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001297 if (res == PARSE_TIME_OVER) {
1298 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1299 file, linenum, args[2], args[0], args[1]);
1300 err_code |= ERR_ALERT | ERR_FATAL;
1301 goto out;
1302 }
1303 else if (res == PARSE_TIME_UNDER) {
1304 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1305 file, linenum, args[2], args[0], args[1]);
1306 err_code |= ERR_ALERT | ERR_FATAL;
1307 goto out;
1308 }
1309 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001310 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1311 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001312 err_code |= ERR_ALERT | ERR_FATAL;
1313 goto out;
1314 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001315 if (args[1][2] == 't')
1316 curr_resolvers->timeout.retry = tout;
1317 else
1318 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001319 }
1320 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001321 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1322 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001323 err_code |= ERR_ALERT | ERR_FATAL;
1324 goto out;
1325 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001326 } /* neither "nameserver" nor "resolvers" */
1327 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001328 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001329 err_code |= ERR_ALERT | ERR_FATAL;
1330 goto out;
1331 }
1332
1333 out:
1334 free(errmsg);
1335 return err_code;
1336}
Simon Horman0d16a402015-01-30 11:22:58 +09001337
1338/*
William Lallemand51097192015-04-14 16:35:22 +02001339 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001340 * Returns the error code, 0 if OK, or any combination of :
1341 * - ERR_ABORT: must abort ASAP
1342 * - ERR_FATAL: we can continue parsing but not start the service
1343 * - ERR_WARN: a warning has been emitted
1344 * - ERR_ALERT: an alert has been emitted
1345 * Only the two first ones can stop processing, the two others are just
1346 * indicators.
1347 */
1348int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1349{
1350 static struct mailers *curmailers = NULL;
1351 struct mailer *newmailer = NULL;
1352 const char *err;
1353 int err_code = 0;
1354 char *errmsg = NULL;
1355
1356 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1357 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001358 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001359 err_code |= ERR_ALERT | ERR_ABORT;
1360 goto out;
1361 }
1362
1363 err = invalid_char(args[1]);
1364 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001365 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1366 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001367 err_code |= ERR_ALERT | ERR_ABORT;
1368 goto out;
1369 }
1370
1371 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1372 /*
1373 * If there are two proxies with the same name only following
1374 * combinations are allowed:
1375 */
1376 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001377 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1378 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001379 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001380 }
1381 }
1382
Vincent Bernat02779b62016-04-03 13:48:43 +02001383 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001384 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001385 err_code |= ERR_ALERT | ERR_ABORT;
1386 goto out;
1387 }
1388
1389 curmailers->next = mailers;
1390 mailers = curmailers;
1391 curmailers->conf.file = strdup(file);
1392 curmailers->conf.line = linenum;
1393 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001394 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1395 * But need enough time so that timeouts don't occur
1396 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001397 }
1398 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1399 struct sockaddr_storage *sk;
1400 int port1, port2;
1401 struct protocol *proto;
1402
1403 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001404 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1405 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001406 err_code |= ERR_ALERT | ERR_FATAL;
1407 goto out;
1408 }
1409
1410 err = invalid_char(args[1]);
1411 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001412 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1413 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001414 err_code |= ERR_ALERT | ERR_FATAL;
1415 goto out;
1416 }
1417
Vincent Bernat02779b62016-04-03 13:48:43 +02001418 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001419 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001420 err_code |= ERR_ALERT | ERR_ABORT;
1421 goto out;
1422 }
1423
1424 /* the mailers are linked backwards first */
1425 curmailers->count++;
1426 newmailer->next = curmailers->mailer_list;
1427 curmailers->mailer_list = newmailer;
1428 newmailer->mailers = curmailers;
1429 newmailer->conf.file = strdup(file);
1430 newmailer->conf.line = linenum;
1431
1432 newmailer->id = strdup(args[1]);
1433
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001434 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001435 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001436 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001437 err_code |= ERR_ALERT | ERR_FATAL;
1438 goto out;
1439 }
1440
1441 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001442 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001443 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1444 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001445 err_code |= ERR_ALERT | ERR_FATAL;
1446 goto out;
1447 }
1448
1449 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001450 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1451 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001452 err_code |= ERR_ALERT | ERR_FATAL;
1453 goto out;
1454 }
1455
1456 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001457 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1458 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001459 err_code |= ERR_ALERT | ERR_FATAL;
1460 goto out;
1461 }
1462
1463 newmailer->addr = *sk;
1464 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001465 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001466 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001467 }
1468 else if (strcmp(args[0], "timeout") == 0) {
1469 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001470 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1471 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001472 err_code |= ERR_ALERT | ERR_FATAL;
1473 goto out;
1474 }
1475 else if (strcmp(args[1], "mail") == 0) {
1476 const char *res;
1477 unsigned int timeout_mail;
1478 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001479 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1480 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001481 err_code |= ERR_ALERT | ERR_FATAL;
1482 goto out;
1483 }
1484 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001485 if (res == PARSE_TIME_OVER) {
1486 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1487 file, linenum, args[2], args[0], args[1]);
1488 err_code |= ERR_ALERT | ERR_FATAL;
1489 goto out;
1490 }
1491 else if (res == PARSE_TIME_UNDER) {
1492 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1493 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001494 err_code |= ERR_ALERT | ERR_FATAL;
1495 goto out;
1496 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001497 else if (res) {
1498 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1499 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001500 err_code |= ERR_ALERT | ERR_FATAL;
1501 goto out;
1502 }
1503 curmailers->timeout.mail = timeout_mail;
1504 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001505 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001506 file, linenum, args[0], args[1]);
1507 err_code |= ERR_ALERT | ERR_FATAL;
1508 goto out;
1509 }
1510 }
Simon Horman0d16a402015-01-30 11:22:58 +09001511 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001512 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001513 err_code |= ERR_ALERT | ERR_FATAL;
1514 goto out;
1515 }
1516
1517out:
1518 free(errmsg);
1519 return err_code;
1520}
1521
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001522void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001523{
1524 free(p->email_alert.mailers.name);
1525 p->email_alert.mailers.name = NULL;
1526 free(p->email_alert.from);
1527 p->email_alert.from = NULL;
1528 free(p->email_alert.to);
1529 p->email_alert.to = NULL;
1530 free(p->email_alert.myhostname);
1531 p->email_alert.myhostname = NULL;
1532}
1533
Willy Tarreaubaaee002006-06-26 02:48:02 +02001534
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001535int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001536cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1537{
Willy Tarreaue5733232019-05-22 19:24:06 +02001538#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001539 const char *err;
1540 const char *item = args[0];
1541
1542 if (!strcmp(item, "namespace_list")) {
1543 return 0;
1544 }
1545 else if (!strcmp(item, "namespace")) {
1546 size_t idx = 1;
1547 const char *current;
1548 while (*(current = args[idx++])) {
1549 err = invalid_char(current);
1550 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001551 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1552 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001553 return ERR_ALERT | ERR_FATAL;
1554 }
1555
1556 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001557 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1558 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001559 return ERR_ALERT | ERR_FATAL;
1560 }
1561 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001562 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1563 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001564 return ERR_ALERT | ERR_FATAL;
1565 }
1566 }
1567 }
1568
1569 return 0;
1570#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001571 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1572 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001573 return ERR_ALERT | ERR_FATAL;
1574#endif
1575}
1576
1577int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001578cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1579{
1580
1581 int err_code = 0;
1582 const char *err;
1583
1584 if (!strcmp(args[0], "userlist")) { /* new userlist */
1585 struct userlist *newul;
1586
1587 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001588 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1589 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001590 err_code |= ERR_ALERT | ERR_FATAL;
1591 goto out;
1592 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001593 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1594 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001595
1596 err = invalid_char(args[1]);
1597 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001598 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1599 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001600 err_code |= ERR_ALERT | ERR_FATAL;
1601 goto out;
1602 }
1603
1604 for (newul = userlist; newul; newul = newul->next)
1605 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001606 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1607 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001608 err_code |= ERR_WARN;
1609 goto out;
1610 }
1611
Vincent Bernat02779b62016-04-03 13:48:43 +02001612 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001613 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001614 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001615 err_code |= ERR_ALERT | ERR_ABORT;
1616 goto out;
1617 }
1618
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001619 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001620 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001621 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001622 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001623 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001624 goto out;
1625 }
1626
1627 newul->next = userlist;
1628 userlist = newul;
1629
1630 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001631 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001632 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001633 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001634
1635 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001636 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1637 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001638 err_code |= ERR_ALERT | ERR_FATAL;
1639 goto out;
1640 }
1641
1642 err = invalid_char(args[1]);
1643 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001644 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1645 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001646 err_code |= ERR_ALERT | ERR_FATAL;
1647 goto out;
1648 }
1649
William Lallemand4ac9f542015-05-28 18:03:51 +02001650 if (!userlist)
1651 goto out;
1652
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001653 for (ag = userlist->groups; ag; ag = ag->next)
1654 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001655 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1656 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001657 err_code |= ERR_ALERT;
1658 goto out;
1659 }
1660
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001661 ag = calloc(1, sizeof(*ag));
1662 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001663 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001664 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001665 goto out;
1666 }
1667
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001668 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001669 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001670 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001671 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001672 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001673 goto out;
1674 }
1675
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001676 cur_arg = 2;
1677
1678 while (*args[cur_arg]) {
1679 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001680 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001681 cur_arg += 2;
1682 continue;
1683 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001684 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1685 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001686 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001687 free(ag->groupusers);
1688 free(ag->name);
1689 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001690 goto out;
1691 }
1692 }
1693
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001694 ag->next = userlist->groups;
1695 userlist->groups = ag;
1696
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001697 } else if (!strcmp(args[0], "user")) { /* new user */
1698 struct auth_users *newuser;
1699 int cur_arg;
1700
1701 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001702 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1703 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001704 err_code |= ERR_ALERT | ERR_FATAL;
1705 goto out;
1706 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001707 if (!userlist)
1708 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001709
1710 for (newuser = userlist->users; newuser; newuser = newuser->next)
1711 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001712 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1713 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001714 err_code |= ERR_ALERT;
1715 goto out;
1716 }
1717
Vincent Bernat02779b62016-04-03 13:48:43 +02001718 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001719 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001720 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001721 err_code |= ERR_ALERT | ERR_ABORT;
1722 goto out;
1723 }
1724
1725 newuser->user = strdup(args[1]);
1726
1727 newuser->next = userlist->users;
1728 userlist->users = newuser;
1729
1730 cur_arg = 2;
1731
1732 while (*args[cur_arg]) {
1733 if (!strcmp(args[cur_arg], "password")) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001734#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001735 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001736 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1737 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001738 err_code |= ERR_ALERT | ERR_FATAL;
1739 goto out;
1740 }
1741#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001742 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1743 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001744 err_code |= ERR_ALERT;
1745#endif
1746 newuser->pass = strdup(args[cur_arg + 1]);
1747 cur_arg += 2;
1748 continue;
1749 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1750 newuser->pass = strdup(args[cur_arg + 1]);
1751 newuser->flags |= AU_O_INSECURE;
1752 cur_arg += 2;
1753 continue;
1754 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001755 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001756 cur_arg += 2;
1757 continue;
1758 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001759 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1760 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001761 err_code |= ERR_ALERT | ERR_FATAL;
1762 goto out;
1763 }
1764 }
1765 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001766 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 +01001767 err_code |= ERR_ALERT | ERR_FATAL;
1768 }
1769
1770out:
1771 return err_code;
1772}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001773
Christopher Faulet79bdef32016-11-04 22:36:15 +01001774int
1775cfg_parse_scope(const char *file, int linenum, char *line)
1776{
1777 char *beg, *end, *scope = NULL;
1778 int err_code = 0;
1779 const char *err;
1780
1781 beg = line + 1;
1782 end = strchr(beg, ']');
1783
1784 /* Detect end of scope declaration */
1785 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001786 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1787 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001788 err_code |= ERR_ALERT | ERR_FATAL;
1789 goto out;
1790 }
1791
1792 /* Get scope name and check its validity */
1793 scope = my_strndup(beg, end-beg);
1794 err = invalid_char(scope);
1795 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001796 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1797 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001798 err_code |= ERR_ALERT | ERR_ABORT;
1799 goto out;
1800 }
1801
1802 /* Be sure to have a scope declaration alone on its line */
1803 line = end+1;
1804 while (isspace((unsigned char)*line))
1805 line++;
1806 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001807 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1808 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001809 err_code |= ERR_ALERT | ERR_ABORT;
1810 goto out;
1811 }
1812
1813 /* We have a valid scope declaration, save it */
1814 free(cfg_scope);
1815 cfg_scope = scope;
1816 scope = NULL;
1817
1818 out:
1819 free(scope);
1820 return err_code;
1821}
1822
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001823int
1824cfg_parse_track_sc_num(unsigned int *track_sc_num,
1825 const char *arg, const char *end, char **errmsg)
1826{
1827 const char *p;
1828 unsigned int num;
1829
1830 p = arg;
1831 num = read_uint64(&arg, end);
1832
1833 if (arg != end) {
1834 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1835 return -1;
1836 }
1837
1838 if (num >= MAX_SESS_STKCTR) {
1839 memprintf(errmsg, "%u track-sc number exceeding "
1840 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1841 return -1;
1842 }
1843
1844 *track_sc_num = num;
1845 return 0;
1846}
1847
Willy Tarreaubaaee002006-06-26 02:48:02 +02001848/*
1849 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001850 * Returns the error code, 0 if OK, or any combination of :
1851 * - ERR_ABORT: must abort ASAP
1852 * - ERR_FATAL: we can continue parsing but not start the service
1853 * - ERR_WARN: a warning has been emitted
1854 * - ERR_ALERT: an alert has been emitted
1855 * Only the two first ones can stop processing, the two others are just
1856 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001857 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001858int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001859{
William Lallemand64e84512015-05-12 14:25:37 +02001860 char *thisline;
1861 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001862 FILE *f;
1863 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001864 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001865 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001866 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001867 int readbytes = 0;
1868
1869 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001870 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001871 return -1;
1872 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001873
David Carlier97880bb2016-04-08 10:35:26 +01001874 if ((f=fopen(file,"r")) == NULL) {
1875 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001876 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001877 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001878
William Lallemandb2f07452015-05-12 14:27:13 +02001879next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001880 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001881 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001882 char *end;
1883 char *args[MAX_LINE_ARGS + 1];
1884 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001885 int dquote = 0; /* double quote */
1886 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001887
Willy Tarreaubaaee002006-06-26 02:48:02 +02001888 linenum++;
1889
1890 end = line + strlen(line);
1891
William Lallemand64e84512015-05-12 14:25:37 +02001892 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001893 /* Check if we reached the limit and the last char is not \n.
1894 * Watch out for the last line without the terminating '\n'!
1895 */
William Lallemand64e84512015-05-12 14:25:37 +02001896 char *newline;
1897 int newlinesize = linesize * 2;
1898
1899 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1900 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001901 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1902 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001903 err_code |= ERR_ALERT | ERR_FATAL;
1904 continue;
1905 }
1906
1907 readbytes = linesize - 1;
1908 linesize = newlinesize;
1909 thisline = newline;
1910 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001911 }
1912
William Lallemand64e84512015-05-12 14:25:37 +02001913 readbytes = 0;
1914
Willy Tarreaubaaee002006-06-26 02:48:02 +02001915 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001916 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001917 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001918
Christopher Faulet79bdef32016-11-04 22:36:15 +01001919
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001920 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001921 err_code |= cfg_parse_scope(file, linenum, line);
1922 goto next_line;
1923 }
1924
Willy Tarreaubaaee002006-06-26 02:48:02 +02001925 arg = 0;
1926 args[arg] = line;
1927
1928 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001929 if (*line == '"' && !squote) { /* double quote outside single quotes */
1930 if (dquote)
1931 dquote = 0;
1932 else
1933 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001934 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001935 end--;
1936 }
1937 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1938 if (squote)
1939 squote = 0;
1940 else
1941 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001942 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001943 end--;
1944 }
1945 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001946 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1947 * C equivalent value. Other combinations left unchanged (eg: \1).
1948 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001949 int skip = 0;
1950 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1951 *line = line[1];
1952 skip = 1;
1953 }
1954 else if (line[1] == 'r') {
1955 *line = '\r';
1956 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001957 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001958 else if (line[1] == 'n') {
1959 *line = '\n';
1960 skip = 1;
1961 }
1962 else if (line[1] == 't') {
1963 *line = '\t';
1964 skip = 1;
1965 }
1966 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001967 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001968 unsigned char hex1, hex2;
1969 hex1 = toupper(line[2]) - '0';
1970 hex2 = toupper(line[3]) - '0';
1971 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1972 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1973 *line = (hex1<<4) + hex2;
1974 skip = 3;
1975 }
1976 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001977 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001978 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001979 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001980 } else if (line[1] == '"') {
1981 *line = '"';
1982 skip = 1;
1983 } else if (line[1] == '\'') {
1984 *line = '\'';
1985 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001986 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1987 *line = '$';
1988 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001989 }
1990 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001991 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001992 end -= skip;
1993 }
1994 line++;
1995 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001996 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001997 /* end of string, end of loop */
1998 *line = 0;
1999 break;
2000 }
William Lallemandf9873ba2015-05-05 17:37:14 +02002001 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002002 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01002003 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02002004 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02002005 line++;
2006 args[++arg] = line;
2007 }
William Lallemandb2f07452015-05-12 14:27:13 +02002008 else if (dquote && *line == '$') {
2009 /* environment variables are evaluated inside double quotes */
2010 char *var_beg;
2011 char *var_end;
2012 char save_char;
2013 char *value;
2014 int val_len;
2015 int newlinesize;
2016 int braces = 0;
2017
2018 var_beg = line + 1;
2019 var_end = var_beg;
2020
2021 if (*var_beg == '{') {
2022 var_beg++;
2023 var_end++;
2024 braces = 1;
2025 }
2026
2027 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002028 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 +02002029 err_code |= ERR_ALERT | ERR_FATAL;
2030 goto next_line; /* skip current line */
2031 }
2032
2033 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
2034 var_end++;
2035
2036 save_char = *var_end;
2037 *var_end = '\0';
2038 value = getenv(var_beg);
2039 *var_end = save_char;
2040 val_len = value ? strlen(value) : 0;
2041
2042 if (braces) {
2043 if (*var_end == '}') {
2044 var_end++;
2045 braces = 0;
2046 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002047 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002048 err_code |= ERR_ALERT | ERR_FATAL;
2049 goto next_line; /* skip current line */
2050 }
2051 }
2052
2053 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
2054
2055 /* if not enough space in thisline */
2056 if (newlinesize > linesize) {
2057 char *newline;
2058
2059 newline = realloc(thisline, newlinesize * sizeof(*thisline));
2060 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002061 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002062 err_code |= ERR_ALERT | ERR_FATAL;
2063 goto next_line; /* slip current line */
2064 }
2065 /* recompute pointers if realloc returns a new pointer */
2066 if (newline != thisline) {
2067 int i;
2068 int diff;
2069
2070 for (i = 0; i <= arg; i++) {
2071 diff = args[i] - thisline;
2072 args[i] = newline + diff;
2073 }
2074
2075 diff = var_end - thisline;
2076 var_end = newline + diff;
2077 diff = end - thisline;
2078 end = newline + diff;
2079 diff = line - thisline;
2080 line = newline + diff;
2081 thisline = newline;
2082 }
2083 linesize = newlinesize;
2084 }
2085
2086 /* insert value inside the line */
2087 memmove(line + val_len, var_end, end - var_end + 1);
2088 memcpy(line, value, val_len);
2089 end += val_len - (var_end - line);
2090 line += val_len;
2091 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002092 else {
2093 line++;
2094 }
2095 }
William Lallemandb2f07452015-05-12 14:27:13 +02002096
William Lallemandf9873ba2015-05-05 17:37:14 +02002097 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002098 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002099 err_code |= ERR_ALERT | ERR_FATAL;
2100 }
2101
2102 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002103 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002104 err_code |= ERR_ALERT | ERR_FATAL;
2105 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002106
2107 /* empty line */
2108 if (!**args)
2109 continue;
2110
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002111 if (*line) {
2112 /* we had to stop due to too many args.
2113 * Let's terminate the string, print the offending part then cut the
2114 * last arg.
2115 */
2116 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2117 line++;
2118 *line = '\0';
2119
Christopher Faulet767a84b2017-11-24 16:50:31 +01002120 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2121 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002122 err_code |= ERR_ALERT | ERR_FATAL;
2123 args[arg] = line;
2124 }
2125
Willy Tarreau540abe42007-05-02 20:50:16 +02002126 /* zero out remaining args and ensure that at least one entry
2127 * is zeroed out.
2128 */
2129 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002130 args[arg] = line;
2131 }
2132
Willy Tarreau3842f002009-06-14 11:39:52 +02002133 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002134 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002135 char *tmp;
2136
Willy Tarreau3842f002009-06-14 11:39:52 +02002137 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002138 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002139 for (arg=0; *args[arg+1]; arg++)
2140 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002141 *tmp = '\0'; // fix the next arg to \0
2142 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002143 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002144 else if (!strcmp(args[0], "default")) {
2145 kwm = KWM_DEF;
2146 for (arg=0; *args[arg+1]; arg++)
2147 args[arg] = args[arg+1]; // shift args after inversion
2148 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002149
William Lallemand0f99e342011-10-12 17:50:54 +02002150 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01002151 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
2152 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 +02002153 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002154 }
2155
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002156 /* detect section start */
2157 list_for_each_entry(ics, &sections, list) {
2158 if (strcmp(args[0], ics->section_name) == 0) {
2159 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002160 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002161 cs = ics;
2162 break;
2163 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002164 }
2165
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002166 if (pcs && pcs->post_section_parser) {
2167 err_code |= pcs->post_section_parser();
2168 if (err_code & ERR_ABORT)
2169 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002170 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002171 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002172
William Lallemandd2ff56d2017-10-16 11:06:50 +02002173 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002174 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002175 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002176 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002177 err_code |= cs->section_parser(file, linenum, args, kwm);
2178 if (err_code & ERR_ABORT)
2179 goto err;
2180 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002181 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002182
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002183 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002184 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002185
2186err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002187 free(cfg_scope);
2188 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002189 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002190 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002191 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002192 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002193}
2194
Willy Tarreau64ab6072014-09-16 12:17:36 +02002195/* This function propagates processes from frontend <from> to backend <to> so
2196 * that it is always guaranteed that a backend pointed to by a frontend is
2197 * bound to all of its processes. After that, if the target is a "listen"
2198 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002199 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002200 * checked first to ensure that <to> is already bound to all processes of
2201 * <from>, there is no risk of looping and we ensure to follow the shortest
2202 * path to the destination.
2203 *
2204 * It is possible to set <to> to NULL for the first call so that the function
2205 * takes care of visiting the initial frontend in <from>.
2206 *
2207 * It is important to note that the function relies on the fact that all names
2208 * have already been resolved.
2209 */
2210void propagate_processes(struct proxy *from, struct proxy *to)
2211{
2212 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002213
2214 if (to) {
2215 /* check whether we need to go down */
2216 if (from->bind_proc &&
2217 (from->bind_proc & to->bind_proc) == from->bind_proc)
2218 return;
2219
2220 if (!from->bind_proc && !to->bind_proc)
2221 return;
2222
2223 to->bind_proc = from->bind_proc ?
2224 (to->bind_proc | from->bind_proc) : 0;
2225
2226 /* now propagate down */
2227 from = to;
2228 }
2229
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002230 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002231 return;
2232
Willy Tarreauf6b70012014-12-18 14:00:43 +01002233 if (from->state == PR_STSTOPPED)
2234 return;
2235
Willy Tarreau64ab6072014-09-16 12:17:36 +02002236 /* default_backend */
2237 if (from->defbe.be)
2238 propagate_processes(from, from->defbe.be);
2239
2240 /* use_backend */
2241 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002242 if (rule->dynamic)
2243 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002244 to = rule->be.backend;
2245 propagate_processes(from, to);
2246 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002247}
2248
Willy Tarreaubb925012009-07-23 13:36:36 +02002249/*
2250 * Returns the error code, 0 if OK, or any combination of :
2251 * - ERR_ABORT: must abort ASAP
2252 * - ERR_FATAL: we can continue parsing but not start the service
2253 * - ERR_WARN: a warning has been emitted
2254 * - ERR_ALERT: an alert has been emitted
2255 * Only the two first ones can stop processing, the two others are just
2256 * indicators.
2257 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002258int check_config_validity()
2259{
2260 int cfgerr = 0;
2261 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002262 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002263 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002264 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002265 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002266 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002267 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002268 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002269 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002270
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002271 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002272 /*
2273 * Now, check for the integrity of all that we have collected.
2274 */
2275
2276 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002277 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002278
Willy Tarreau193b8c62012-11-22 00:17:38 +01002279 if (!global.tune.max_http_hdr)
2280 global.tune.max_http_hdr = MAX_HTTP_HDR;
2281
2282 if (!global.tune.cookie_len)
2283 global.tune.cookie_len = CAPTURE_LEN;
2284
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002285 if (!global.tune.requri_len)
2286 global.tune.requri_len = REQURI_LEN;
2287
Willy Tarreau149ab772019-01-26 14:27:06 +01002288 if (!global.nbthread) {
2289 /* nbthread not set, thus automatic. In this case, and only if
2290 * running on a single process, we enable the same number of
2291 * threads as the number of CPUs the process is bound to. This
2292 * allows to easily control the number of threads using taskset.
2293 */
2294 global.nbthread = 1;
2295#if defined(USE_THREAD)
2296 if (global.nbproc == 1)
2297 global.nbthread = thread_cpus_enabled_at_boot;
2298 all_threads_mask = nbits(global.nbthread);
2299#endif
2300 }
2301
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002302 if (global.nbproc > 1 && global.nbthread > 1) {
2303 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2304 err_code |= ERR_ALERT | ERR_FATAL;
2305 goto out;
2306 }
2307
Willy Tarreaubafbe012017-11-24 17:34:44 +01002308 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002309
Willy Tarreaubafbe012017-11-24 17:34:44 +01002310 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002311
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002312 /* Post initialisation of the users and groups lists. */
2313 err_code = userlist_postinit();
2314 if (err_code != ERR_NONE)
2315 goto out;
2316
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002317 /* first, we will invert the proxy list order */
2318 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002319 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002320 struct proxy *next;
2321
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002322 next = proxies_list->next;
2323 proxies_list->next = curproxy;
2324 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002325 if (!next)
2326 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002327 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002328 }
2329
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002330 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002331 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002332 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002333 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002334 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002335 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002336 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002337 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002338
Willy Tarreau050536d2012-10-04 08:47:34 +02002339 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002340 /* proxy ID not set, use automatic numbering with first
2341 * spare entry starting with next_pxid.
2342 */
2343 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2344 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2345 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002346 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002347 next_pxid++;
2348
Willy Tarreau55ea7572007-06-17 19:56:27 +02002349
Willy Tarreaubaaee002006-06-26 02:48:02 +02002350 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002351 /* ensure we don't keep listeners uselessly bound */
2352 stop_proxy(curproxy);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002353 if (curproxy->table) {
2354 free((void *)curproxy->table->peers.name);
2355 curproxy->table->peers.p = NULL;
2356 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002357 continue;
2358 }
2359
Willy Tarreau102df612014-05-07 23:56:38 +02002360 /* Check multi-process mode compatibility for the current proxy */
2361
2362 if (curproxy->bind_proc) {
2363 /* an explicit bind-process was specified, let's check how many
2364 * processes remain.
2365 */
David Carliere6c39412015-07-02 07:00:17 +00002366 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002367
Willy Tarreaua38a7172019-02-02 17:11:28 +01002368 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002369 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002370 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 +02002371 curproxy->bind_proc = 1;
2372 }
2373 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002374 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 +02002375 curproxy->bind_proc = 0;
2376 }
2377 }
2378
Willy Tarreau3d209582014-05-09 17:06:11 +02002379 /* check and reduce the bind-proc of each listener */
2380 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2381 unsigned long mask;
2382
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002383 /* HTTP frontends with "h2" as ALPN/NPN will work in
2384 * HTTP/2 and absolutely require buffers 16kB or larger.
2385 */
2386#ifdef USE_OPENSSL
2387 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2388#ifdef OPENSSL_NPN_NEGOTIATED
2389 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002390 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002391 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",
2392 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002393 cfgerr++;
2394 }
2395#endif
2396#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2397 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002398 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002399 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",
2400 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002401 cfgerr++;
2402 }
2403#endif
2404 } /* HTTP && bufsize < 16384 */
2405#endif
2406
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002407 /* detect and address thread affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002408 mask = thread_mask(bind_conf->bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002409 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002410 unsigned long new_mask = 0;
2411
2412 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002413 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002414 mask >>= global.nbthread;
2415 }
2416
Willy Tarreaua36b3242019-02-02 13:14:34 +01002417 bind_conf->bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002418 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",
2419 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2420 }
2421
2422 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002423 mask = proc_mask(bind_conf->bind_proc) & proc_mask(curproxy->bind_proc);
2424 if (!(mask & all_proc_mask)) {
2425 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
2426 nbproc = my_popcountl(bind_conf->bind_proc);
2427 bind_conf->bind_proc = proc_mask(bind_conf->bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002428
Willy Tarreaua36b3242019-02-02 13:14:34 +01002429 if (!bind_conf->bind_proc && nbproc == 1) {
2430 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",
2431 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2432 bind_conf->bind_proc = mask & ~(mask - 1);
2433 }
2434 else if (!bind_conf->bind_proc && nbproc > 1) {
2435 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",
2436 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2437 bind_conf->bind_proc = 0;
2438 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002439 }
2440 }
2441
Willy Tarreauff01a212009-03-15 13:46:16 +01002442 switch (curproxy->mode) {
2443 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002444 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002445 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002446 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2447 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002448 cfgerr++;
2449 }
2450
2451 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002452 ha_warning("config : servers will be ignored for %s '%s'.\n",
2453 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002454 break;
2455
2456 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002457 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002458 break;
2459
2460 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002461 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002462 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002463
2464 case PR_MODE_CLI:
2465 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2466 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002467 }
2468
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002469 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002470 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2471 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002472 err_code |= ERR_WARN;
2473 }
2474
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002475 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002476 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002477 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002478 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2479 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002480 cfgerr++;
2481 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002482#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002483 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002484 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2485 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002486 cfgerr++;
2487 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002488#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002489 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002490 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2491 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002492 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002493 }
2494 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002495 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002496 /* If no LB algo is set in a backend, and we're not in
2497 * transparent mode, dispatch mode nor proxy mode, we
2498 * want to use balance roundrobin by default.
2499 */
2500 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2501 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002502 }
2503 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002504
Willy Tarreau1620ec32011-08-06 17:05:02 +02002505 if (curproxy->options & PR_O_DISPATCH)
2506 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2507 else if (curproxy->options & PR_O_HTTP_PROXY)
2508 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2509 else if (curproxy->options & PR_O_TRANSP)
2510 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002511
Willy Tarreau1620ec32011-08-06 17:05:02 +02002512 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2513 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002514 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2515 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002516 err_code |= ERR_WARN;
2517 curproxy->options &= ~PR_O_DISABLE404;
2518 }
2519 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002520 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2521 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002522 err_code |= ERR_WARN;
2523 curproxy->options &= ~PR_O2_CHK_SNDST;
2524 }
Willy Tarreauef781042010-01-27 11:53:01 +01002525 }
2526
Simon Horman98637e52014-06-20 12:30:16 +09002527 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2528 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002529 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2530 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002531 cfgerr++;
2532 }
2533 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002534 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2535 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002536 cfgerr++;
2537 }
2538 }
2539
Simon Horman64e34162015-02-06 11:11:57 +09002540 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002541 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002542 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2543 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2544 "'email-alert myhostname', or 'email-alert to' "
2545 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2546 "to be present).\n",
2547 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002548 err_code |= ERR_WARN;
2549 free_email_alert(curproxy);
2550 }
2551 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002552 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002553 }
2554
Simon Horman98637e52014-06-20 12:30:16 +09002555 if (curproxy->check_command) {
2556 int clear = 0;
2557 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002558 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2559 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002560 err_code |= ERR_WARN;
2561 clear = 1;
2562 }
2563 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002564 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2565 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002566 cfgerr++;
2567 }
2568 if (clear) {
2569 free(curproxy->check_command);
2570 curproxy->check_command = NULL;
2571 }
2572 }
2573
2574 if (curproxy->check_path) {
2575 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002576 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2577 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002578 err_code |= ERR_WARN;
2579 free(curproxy->check_path);
2580 curproxy->check_path = NULL;
2581 }
2582 }
2583
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002584 /* if a default backend was specified, let's find it */
2585 if (curproxy->defbe.name) {
2586 struct proxy *target;
2587
Willy Tarreauafb39922015-05-26 12:04:09 +02002588 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002589 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002590 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2591 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002592 cfgerr++;
2593 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002594 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2595 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002596 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002597 } else if (target->mode != curproxy->mode &&
2598 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2599
Christopher Faulet767a84b2017-11-24 16:50:31 +01002600 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2601 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2602 curproxy->conf.file, curproxy->conf.line,
2603 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2604 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002605 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002606 } else {
2607 free(curproxy->defbe.name);
2608 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002609 /* Emit a warning if this proxy also has some servers */
2610 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002611 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2612 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002613 err_code |= ERR_WARN;
2614 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002615 }
2616 }
2617
Willy Tarreau55ea7572007-06-17 19:56:27 +02002618 /* find the target proxy for 'use_backend' rules */
2619 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002620 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002621 struct logformat_node *node;
2622 char *pxname;
2623
2624 /* Try to parse the string as a log format expression. If the result
2625 * of the parsing is only one entry containing a simple string, then
2626 * it's a standard string corresponding to a static rule, thus the
2627 * parsing is cancelled and be.name is restored to be resolved.
2628 */
2629 pxname = rule->be.name;
2630 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002631 curproxy->conf.args.ctx = ARGC_UBK;
2632 curproxy->conf.args.file = rule->file;
2633 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002634 err = NULL;
2635 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002636 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2637 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002638 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002639 cfgerr++;
2640 continue;
2641 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002642 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2643
2644 if (!LIST_ISEMPTY(&rule->be.expr)) {
2645 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2646 rule->dynamic = 1;
2647 free(pxname);
2648 continue;
2649 }
2650 /* simple string: free the expression and fall back to static rule */
2651 free(node->arg);
2652 free(node);
2653 }
2654
2655 rule->dynamic = 0;
2656 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002657
Willy Tarreauafb39922015-05-26 12:04:09 +02002658 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002659 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002660 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2661 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002662 cfgerr++;
2663 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002664 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2665 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002666 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002667 } else if (target->mode != curproxy->mode &&
2668 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2669
Christopher Faulet767a84b2017-11-24 16:50:31 +01002670 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2671 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2672 curproxy->conf.file, curproxy->conf.line,
2673 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2674 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002675 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002676 } else {
2677 free((void *)rule->be.name);
2678 rule->be.backend = target;
2679 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002680 }
2681
Willy Tarreau64ab6072014-09-16 12:17:36 +02002682 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002683 list_for_each_entry(srule, &curproxy->server_rules, list) {
2684 struct server *target = findserver(curproxy, srule->srv.name);
2685
2686 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002687 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2688 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002689 cfgerr++;
2690 continue;
2691 }
2692 free((void *)srule->srv.name);
2693 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002694 }
2695
Emeric Brunb982a3d2010-01-04 15:45:53 +01002696 /* find the target table for 'stick' rules */
2697 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002698 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002699
Emeric Brun1d33b292010-01-04 15:47:17 +01002700 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2701 if (mrule->flags & STK_IS_STORE)
2702 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2703
Emeric Brunb982a3d2010-01-04 15:45:53 +01002704 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002705 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002706 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002707 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002708
2709 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002710 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
2711 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002712 cfgerr++;
2713 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002714 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002715 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2716 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002717 cfgerr++;
2718 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002719 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002720 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2721 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002722 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002723 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002724 else {
2725 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002726 mrule->table.t = target;
2727 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002728 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002729 }
2730 }
2731
2732 /* find the target table for 'store response' rules */
2733 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002734 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002735
Emeric Brun1d33b292010-01-04 15:47:17 +01002736 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2737
Emeric Brunb982a3d2010-01-04 15:45:53 +01002738 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002739 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002740 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002741 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002742
2743 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002744 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
2745 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002746 cfgerr++;
2747 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002748 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002749 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2750 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002751 cfgerr++;
2752 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002753 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002754 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2755 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002756 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002757 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002758 else {
2759 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002760 mrule->table.t = target;
2761 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002762 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002763 }
2764 }
2765
Christopher Faulete4e830d2017-09-18 14:51:41 +02002766 /* check validity for 'tcp-request' layer 4 rules */
2767 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2768 err = NULL;
2769 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002770 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002771 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002772 cfgerr++;
2773 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002774 }
2775
Christopher Faulete4e830d2017-09-18 14:51:41 +02002776 /* check validity for 'tcp-request' layer 5 rules */
2777 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2778 err = NULL;
2779 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002780 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002781 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002782 cfgerr++;
2783 }
2784 }
2785
Christopher Faulete4e830d2017-09-18 14:51:41 +02002786 /* check validity for 'tcp-request' layer 6 rules */
2787 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2788 err = NULL;
2789 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002790 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002791 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002792 cfgerr++;
2793 }
2794 }
2795
Christopher Faulete4e830d2017-09-18 14:51:41 +02002796 /* check validity for 'http-request' layer 7 rules */
2797 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2798 err = NULL;
2799 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002800 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002801 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002802 cfgerr++;
2803 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002804 }
2805
Christopher Faulete4e830d2017-09-18 14:51:41 +02002806 /* check validity for 'http-response' layer 7 rules */
2807 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2808 err = NULL;
2809 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002810 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002811 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002812 cfgerr++;
2813 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002814 }
2815
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002816 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002817 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002818
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002819 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002820 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
2821 free((void *)curproxy->table->peers.name);
2822 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002823 break;
2824 }
2825 }
2826
2827 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002828 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002829 curproxy->id, curproxy->table->peers.name);
2830 free((void *)curproxy->table->peers.name);
2831 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002832 cfgerr++;
2833 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002834 else if (curpeers->state == PR_STSTOPPED) {
2835 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002836 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002837 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002838 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002839 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2840 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002841 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002842 cfgerr++;
2843 }
2844 }
2845
Simon Horman9dc49962015-01-30 11:22:59 +09002846
2847 if (curproxy->email_alert.mailers.name) {
2848 struct mailers *curmailers = mailers;
2849
2850 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002851 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002852 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002853 }
Simon Horman9dc49962015-01-30 11:22:59 +09002854 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002855 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2856 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002857 free_email_alert(curproxy);
2858 cfgerr++;
2859 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002860 else {
2861 err = NULL;
2862 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002863 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002864 free(err);
2865 cfgerr++;
2866 }
2867 }
Simon Horman9dc49962015-01-30 11:22:59 +09002868 }
2869
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002870 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & ST_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002871 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002872 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002873 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2874 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002875 cfgerr++;
2876 goto out_uri_auth_compat;
2877 }
2878
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002879 if (curproxy->uri_auth && curproxy->uri_auth->userlist && !(curproxy->uri_auth->flags & ST_CONVDONE)) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002880 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002881 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002882 int i = 0;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002883
Willy Tarreau95fa4692010-02-01 13:05:50 +01002884 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2885 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002886
2887 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002888 uri_auth_compat_req[i++] = "realm";
2889 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2890 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002891
Willy Tarreau95fa4692010-02-01 13:05:50 +01002892 uri_auth_compat_req[i++] = "unless";
2893 uri_auth_compat_req[i++] = "{";
2894 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2895 uri_auth_compat_req[i++] = "}";
2896 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002897
Willy Tarreauff011f22011-01-06 17:51:27 +01002898 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2899 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002900 cfgerr++;
2901 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002902 }
2903
Willy Tarreauff011f22011-01-06 17:51:27 +01002904 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002905
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002906 if (curproxy->uri_auth->auth_realm) {
2907 free(curproxy->uri_auth->auth_realm);
2908 curproxy->uri_auth->auth_realm = NULL;
2909 }
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002910
2911 curproxy->uri_auth->flags |= ST_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002912 }
2913out_uri_auth_compat:
2914
Dragan Dosen43885c72015-10-01 13:18:13 +02002915 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002916 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002917 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2918 if (!curproxy->conf.logformat_sd_string) {
2919 /* set the default logformat_sd_string */
2920 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2921 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002922 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002923 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002924 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002925
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002926 /* compile the log format */
2927 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002928 if (curproxy->conf.logformat_string != default_http_log_format &&
2929 curproxy->conf.logformat_string != default_tcp_log_format &&
2930 curproxy->conf.logformat_string != clf_http_log_format)
2931 free(curproxy->conf.logformat_string);
2932 curproxy->conf.logformat_string = NULL;
2933 free(curproxy->conf.lfs_file);
2934 curproxy->conf.lfs_file = NULL;
2935 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002936
2937 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2938 free(curproxy->conf.logformat_sd_string);
2939 curproxy->conf.logformat_sd_string = NULL;
2940 free(curproxy->conf.lfsd_file);
2941 curproxy->conf.lfsd_file = NULL;
2942 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002943 }
2944
Willy Tarreau62a61232013-04-12 18:13:46 +02002945 if (curproxy->conf.logformat_string) {
2946 curproxy->conf.args.ctx = ARGC_LOG;
2947 curproxy->conf.args.file = curproxy->conf.lfs_file;
2948 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002949 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002950 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002951 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002952 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2953 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002954 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002955 cfgerr++;
2956 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002957 curproxy->conf.args.file = NULL;
2958 curproxy->conf.args.line = 0;
2959 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002960
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002961 if (curproxy->conf.logformat_sd_string) {
2962 curproxy->conf.args.ctx = ARGC_LOGSD;
2963 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2964 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002965 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002966 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 +01002967 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002968 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2969 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002970 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002971 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002972 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002973 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2974 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002975 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002976 cfgerr++;
2977 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002978 curproxy->conf.args.file = NULL;
2979 curproxy->conf.args.line = 0;
2980 }
2981
Willy Tarreau62a61232013-04-12 18:13:46 +02002982 if (curproxy->conf.uniqueid_format_string) {
2983 curproxy->conf.args.ctx = ARGC_UIF;
2984 curproxy->conf.args.file = curproxy->conf.uif_file;
2985 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002986 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002987 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 +01002988 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002989 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2990 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002991 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002992 cfgerr++;
2993 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002994 curproxy->conf.args.file = NULL;
2995 curproxy->conf.args.line = 0;
2996 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002997
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002998 /* only now we can check if some args remain unresolved.
2999 * This must be done after the users and groups resolution.
3000 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003001 cfgerr += smp_resolve_args(curproxy);
3002 if (!cfgerr)
3003 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01003004
Willy Tarreau2738a142006-07-08 17:28:09 +02003005 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003006 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02003007 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02003008 (!curproxy->timeout.connect ||
3009 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003010 ha_warning("config : missing timeouts for %s '%s'.\n"
3011 " | While not properly invalid, you will certainly encounter various problems\n"
3012 " | with such a configuration. To fix this, please ensure that all following\n"
3013 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
3014 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003015 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02003016 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02003017
Willy Tarreau1fa31262007-12-03 00:36:16 +01003018 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
3019 * We must still support older configurations, so let's find out whether those
3020 * parameters have been set or must be copied from contimeouts.
3021 */
3022 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003023 if (!curproxy->timeout.tarpit ||
3024 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003025 /* tarpit timeout not set. We search in the following order:
3026 * default.tarpit, curr.connect, default.connect.
3027 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003028 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003029 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003030 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003031 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003032 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003033 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003034 }
3035 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003036 (!curproxy->timeout.queue ||
3037 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003038 /* queue timeout not set. We search in the following order:
3039 * default.queue, curr.connect, default.connect.
3040 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003041 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003042 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003043 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003044 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003045 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003046 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003047 }
3048 }
3049
Willy Tarreau1620ec32011-08-06 17:05:02 +02003050 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_SSL3_CHK) {
Willy Tarreau137325d2010-02-01 16:38:17 +01003051 curproxy->check_len = sizeof(sslv3_client_hello_pkt) - 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02003052 curproxy->check_req = malloc(curproxy->check_len);
Willy Tarreau137325d2010-02-01 16:38:17 +01003053 memcpy(curproxy->check_req, sslv3_client_hello_pkt, curproxy->check_len);
Willy Tarreauf3c69202006-07-09 16:42:34 +02003054 }
3055
Willy Tarreau215663d2014-06-13 18:30:23 +02003056 if (!LIST_ISEMPTY(&curproxy->tcpcheck_rules) &&
3057 (curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_TCPCHK_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003058 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3059 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003060 err_code |= ERR_WARN;
3061 }
3062
Willy Tarreau193b8c62012-11-22 00:17:38 +01003063 /* ensure that cookie capture length is not too large */
3064 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003065 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3066 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003067 err_code |= ERR_WARN;
3068 curproxy->capture_len = global.tune.cookie_len - 1;
3069 }
3070
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003071 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003072 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003073 curproxy->req_cap_pool = create_pool("ptrcap",
3074 curproxy->nb_req_cap * sizeof(char *),
3075 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003076 }
3077
3078 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003079 curproxy->rsp_cap_pool = create_pool("ptrcap",
3080 curproxy->nb_rsp_cap * sizeof(char *),
3081 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003082 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003083
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003084 switch (curproxy->load_server_state_from_file) {
3085 case PR_SRV_STATE_FILE_UNSPEC:
3086 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3087 break;
3088 case PR_SRV_STATE_FILE_GLOBAL:
3089 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003090 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",
3091 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003092 err_code |= ERR_WARN;
3093 }
3094 break;
3095 }
3096
Willy Tarreaubaaee002006-06-26 02:48:02 +02003097 /* first, we will invert the servers list order */
3098 newsrv = NULL;
3099 while (curproxy->srv) {
3100 struct server *next;
3101
3102 next = curproxy->srv->next;
3103 curproxy->srv->next = newsrv;
3104 newsrv = curproxy->srv;
3105 if (!next)
3106 break;
3107 curproxy->srv = next;
3108 }
3109
Willy Tarreau17edc812014-01-03 12:14:34 +01003110 /* Check that no server name conflicts. This causes trouble in the stats.
3111 * We only emit a warning for the first conflict affecting each server,
3112 * in order to avoid combinatory explosion if all servers have the same
3113 * name. We do that only for servers which do not have an explicit ID,
3114 * because these IDs were made also for distinguishing them and we don't
3115 * want to annoy people who correctly manage them.
3116 */
3117 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3118 struct server *other_srv;
3119
3120 if (newsrv->puid)
3121 continue;
3122
3123 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3124 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02003125 ha_alert("parsing [%s:%d] : %s '%s', another server named '%s' was already defined at line %d, please use distinct names.\n",
Christopher Faulet767a84b2017-11-24 16:50:31 +01003126 newsrv->conf.file, newsrv->conf.line,
3127 proxy_type_str(curproxy), curproxy->id,
3128 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02003129 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01003130 break;
3131 }
3132 }
3133 }
3134
Willy Tarreaudd701652010-05-25 23:03:02 +02003135 /* assign automatic UIDs to servers which don't have one yet */
3136 next_id = 1;
3137 newsrv = curproxy->srv;
3138 while (newsrv != NULL) {
3139 if (!newsrv->puid) {
3140 /* server ID not set, use automatic numbering with first
3141 * spare entry starting with next_svid.
3142 */
3143 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3144 newsrv->conf.id.key = newsrv->puid = next_id;
3145 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02003146 newsrv->conf.name.key = newsrv->id;
3147 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02003148 }
3149 next_id++;
3150 newsrv = newsrv->next;
3151 }
3152
Willy Tarreau20697042007-11-15 23:26:18 +01003153 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003154 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003155
Willy Tarreau62c3be22012-01-20 13:12:32 +01003156 /*
3157 * If this server supports a maxconn parameter, it needs a dedicated
3158 * tasks to fill the emptied slots when a connection leaves.
3159 * Also, resolve deferred tracking dependency if needed.
3160 */
3161 newsrv = curproxy->srv;
3162 while (newsrv != NULL) {
3163 if (newsrv->minconn > newsrv->maxconn) {
3164 /* Only 'minconn' was specified, or it was higher than or equal
3165 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3166 * this will avoid further useless expensive computations.
3167 */
3168 newsrv->maxconn = newsrv->minconn;
3169 } else if (newsrv->maxconn && !newsrv->minconn) {
3170 /* minconn was not specified, so we set it to maxconn */
3171 newsrv->minconn = newsrv->maxconn;
3172 }
3173
Willy Tarreau17d45382016-12-22 21:16:08 +01003174 /* this will also properly set the transport layer for prod and checks */
3175 if (newsrv->use_ssl || newsrv->check.use_ssl) {
3176 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3177 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3178 }
Emeric Brun94324a42012-10-11 14:00:19 +02003179
Willy Tarreau034c88c2017-01-23 23:36:45 +01003180 if ((newsrv->flags & SRV_F_FASTOPEN) &&
3181 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
3182 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
3183 ha_warning("parsing [%s:%d] : %s '%s': server '%s' has tfo activated, the backend should be configured with at least 'conn-failure', 'empty-response' and 'response-timeout' or we wouldn't be able to retry the connection on failure.\n",
3184 newsrv->conf.file, newsrv->conf.line,
3185 proxy_type_str(curproxy), curproxy->id,
3186 newsrv->id);
3187
Willy Tarreau2f075e92013-12-03 11:11:34 +01003188 /* set the check type on the server */
3189 newsrv->check.type = curproxy->options2 & PR_O2_CHK_ANY;
3190
Willy Tarreau62c3be22012-01-20 13:12:32 +01003191 if (newsrv->trackit) {
3192 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003193 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003194 char *pname, *sname;
3195
3196 pname = newsrv->trackit;
3197 sname = strrchr(pname, '/');
3198
3199 if (sname)
3200 *sname++ = '\0';
3201 else {
3202 sname = pname;
3203 pname = NULL;
3204 }
3205
3206 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003207 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003208 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003209 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3210 proxy_type_str(curproxy), curproxy->id,
3211 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003212 cfgerr++;
3213 goto next_srv;
3214 }
3215 } else
3216 px = curproxy;
3217
3218 srv = findserver(px, sname);
3219 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003220 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3221 proxy_type_str(curproxy), curproxy->id,
3222 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003223 cfgerr++;
3224 goto next_srv;
3225 }
3226
Willy Tarreau32091232014-05-16 13:52:00 +02003227 if (!(srv->check.state & CHK_ST_CONFIGURED) &&
3228 !(srv->agent.state & CHK_ST_CONFIGURED) &&
3229 !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003230 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3231 "tracking as it does not have any check nor agent enabled.\n",
3232 proxy_type_str(curproxy), curproxy->id,
3233 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003234 cfgerr++;
3235 goto next_srv;
3236 }
3237
3238 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3239
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003240 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003241 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3242 "belongs to a tracking chain looping back to %s/%s.\n",
3243 proxy_type_str(curproxy), curproxy->id,
3244 newsrv->id, px->id, srv->id, px->id,
3245 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003246 cfgerr++;
3247 goto next_srv;
3248 }
3249
3250 if (curproxy != px &&
3251 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003252 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3253 "tracking: disable-on-404 option inconsistency.\n",
3254 proxy_type_str(curproxy), curproxy->id,
3255 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003256 cfgerr++;
3257 goto next_srv;
3258 }
3259
Willy Tarreau62c3be22012-01-20 13:12:32 +01003260 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003261 newsrv->tracknext = srv->trackers;
3262 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003263
3264 free(newsrv->trackit);
3265 newsrv->trackit = NULL;
3266 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003267
Willy Tarreau62c3be22012-01-20 13:12:32 +01003268 next_srv:
3269 newsrv = newsrv->next;
3270 }
3271
Olivier Houchard4e694042017-03-14 20:01:29 +01003272 /*
3273 * Try to generate dynamic cookies for servers now.
3274 * It couldn't be done earlier, since at the time we parsed
3275 * the server line, we may not have known yet that we
3276 * should use dynamic cookies, or the secret key may not
3277 * have been provided yet.
3278 */
3279 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3280 newsrv = curproxy->srv;
3281 while (newsrv != NULL) {
3282 srv_set_dyncookie(newsrv);
3283 newsrv = newsrv->next;
3284 }
3285
3286 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003287 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003288 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003289 */
3290
3291 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3292 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3293 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003294 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3295 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3296 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003297 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3298 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3299 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003300 } else {
3301 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3302 fwrr_init_server_groups(curproxy);
3303 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003304 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003305
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003306 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003307 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3308 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3309 fwlc_init_server_tree(curproxy);
3310 } else {
3311 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3312 fas_init_server_tree(curproxy);
3313 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003314 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003315
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003316 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003317 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3318 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3319 chash_init_server_tree(curproxy);
3320 } else {
3321 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3322 init_server_map(curproxy);
3323 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003324 break;
3325 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003326 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003327
3328 if (curproxy->options & PR_O_LOGASAP)
3329 curproxy->to_log &= ~LW_BYTES;
3330
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003331 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003332 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3333 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003334 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3335 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003336 err_code |= ERR_WARN;
3337 }
3338
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003339 if (curproxy->mode != PR_MODE_HTTP) {
3340 int optnum;
3341
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003342 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003343 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3344 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003345 err_code |= ERR_WARN;
3346 curproxy->uri_auth = NULL;
3347 }
3348
Willy Tarreaude7dc882017-03-10 11:49:21 +01003349 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003350 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3351 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003352 err_code |= ERR_WARN;
3353 }
3354
3355 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003356 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3357 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003358 err_code |= ERR_WARN;
3359 }
3360
3361 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003362 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3363 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003364 err_code |= ERR_WARN;
3365 }
3366
Willy Tarreaude7dc882017-03-10 11:49:21 +01003367 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003368 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3369 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003370 err_code |= ERR_WARN;
3371 }
3372
Willy Tarreau87cf5142011-08-19 22:57:24 +02003373 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003374 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3375 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003376 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003377 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003378 }
3379
3380 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003381 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3382 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003383 err_code |= ERR_WARN;
3384 curproxy->options &= ~PR_O_ORGTO;
3385 }
3386
3387 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3388 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3389 (curproxy->cap & cfg_opts[optnum].cap) &&
3390 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003391 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3392 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003393 err_code |= ERR_WARN;
3394 curproxy->options &= ~cfg_opts[optnum].val;
3395 }
3396 }
3397
3398 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3399 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3400 (curproxy->cap & cfg_opts2[optnum].cap) &&
3401 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003402 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3403 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003404 err_code |= ERR_WARN;
3405 curproxy->options2 &= ~cfg_opts2[optnum].val;
3406 }
3407 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003408
Willy Tarreau29fbe512015-08-20 19:35:14 +02003409#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003410 if (curproxy->conn_src.bind_hdr_occ) {
3411 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003412 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3413 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003414 err_code |= ERR_WARN;
3415 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003416#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003417 }
3418
Willy Tarreaubaaee002006-06-26 02:48:02 +02003419 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003420 * ensure that we're not cross-dressing a TCP server into HTTP.
3421 */
3422 newsrv = curproxy->srv;
3423 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003424 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003425 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3426 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003427 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003428 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003429
Willy Tarreau0cec3312011-10-31 13:49:26 +01003430 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003431 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3432 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003433 err_code |= ERR_WARN;
3434 }
3435
Willy Tarreauc93cd162014-05-13 15:54:22 +02003436 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003437 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3438 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003439 err_code |= ERR_WARN;
3440 }
3441
Willy Tarreau29fbe512015-08-20 19:35:14 +02003442#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003443 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3444 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003445 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3446 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003447 err_code |= ERR_WARN;
3448 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003449#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003450
Willy Tarreau46deab62018-04-28 07:18:15 +02003451 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3452 curproxy->options &= ~PR_O_REUSE_MASK;
3453
Willy Tarreau21d2af32008-02-14 20:25:24 +01003454 newsrv = newsrv->next;
3455 }
3456
Willy Tarreaue42bd962014-09-16 16:21:19 +02003457 /* check if we have a frontend with "tcp-request content" looking at L7
3458 * with no inspect-delay
3459 */
3460 if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
Christopher Faulete4e830d2017-09-18 14:51:41 +02003461 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
3462 if (arule->action == ACT_TCP_CAPTURE &&
3463 !(arule->arg.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003464 break;
Christopher Faulete4e830d2017-09-18 14:51:41 +02003465 if ((arule->action >= ACT_ACTION_TRK_SC0 && arule->action <= ACT_ACTION_TRK_SCMAX) &&
3466 !(arule->arg.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003467 break;
3468 }
3469
Christopher Faulete4e830d2017-09-18 14:51:41 +02003470 if (&arule->list != &curproxy->tcp_req.inspect_rules) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003471 ha_warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
3472 " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
3473 " This means that these rules will randomly find their contents. This can be fixed by"
3474 " setting the tcp-request inspect-delay.\n",
3475 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue42bd962014-09-16 16:21:19 +02003476 err_code |= ERR_WARN;
3477 }
3478 }
3479
Christopher Fauletd7c91962015-04-30 11:48:27 +02003480 /* Check filter configuration, if any */
3481 cfgerr += flt_check(curproxy);
3482
Willy Tarreauc1a21672009-08-16 22:37:44 +02003483 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003484 if (!curproxy->accept)
3485 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003486
Willy Tarreauc1a21672009-08-16 22:37:44 +02003487 if (curproxy->tcp_req.inspect_delay ||
3488 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003489 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003490
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003491 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003492 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003493 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003494 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003495
William Lallemandcf62f7e2018-10-26 14:47:40 +02003496 if (curproxy->mode == PR_MODE_CLI) {
3497 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3498 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3499 }
3500
Willy Tarreauc1a21672009-08-16 22:37:44 +02003501 /* both TCP and HTTP must check switching rules */
3502 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003503
3504 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003505 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003506 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3507 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 +01003508 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003509 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3510 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003511 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003512 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003513 }
3514
3515 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003516 if (curproxy->tcp_req.inspect_delay ||
3517 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3518 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3519
Emeric Brun97679e72010-09-23 17:56:44 +02003520 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3521 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3522
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003523 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003524 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003525 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003526 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003527
3528 /* If the backend does requires RDP cookie persistence, we have to
3529 * enable the corresponding analyser.
3530 */
3531 if (curproxy->options2 & PR_O2_RDPC_PRST)
3532 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003533
3534 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003535 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003536 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3537 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 +01003538 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003539 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3540 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003541 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003542 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003543 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003544
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003545 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003546 * attached to the current proxy */
3547 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3548 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003549 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003550
3551 if (!bind_conf->mux_proto)
3552 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003553
3554 /* it is possible that an incorrect mux was referenced
3555 * due to the proxy's mode not being taken into account
3556 * on first pass. Let's adjust it now.
3557 */
3558 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3559
3560 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003561 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3562 proxy_type_str(curproxy), curproxy->id,
3563 (int)bind_conf->mux_proto->token.len,
3564 bind_conf->mux_proto->token.ptr,
3565 bind_conf->arg, bind_conf->file, bind_conf->line);
3566 cfgerr++;
3567 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003568
3569 /* update the mux */
3570 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003571 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003572 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3573 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003574 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003575
3576 if (!newsrv->mux_proto)
3577 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003578
3579 /* it is possible that an incorrect mux was referenced
3580 * due to the proxy's mode not being taken into account
3581 * on first pass. Let's adjust it now.
3582 */
3583 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3584
3585 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003586 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3587 proxy_type_str(curproxy), curproxy->id,
3588 (int)newsrv->mux_proto->token.len,
3589 newsrv->mux_proto->token.ptr,
3590 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3591 cfgerr++;
3592 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003593
3594 /* update the mux */
3595 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003596 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003597
3598 /* initialize idle conns lists */
3599 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3600 int i;
3601
3602 newsrv->priv_conns = calloc(global.nbthread, sizeof(*newsrv->priv_conns));
3603 newsrv->idle_conns = calloc(global.nbthread, sizeof(*newsrv->idle_conns));
3604 newsrv->safe_conns = calloc(global.nbthread, sizeof(*newsrv->safe_conns));
3605
3606 if (!newsrv->priv_conns || !newsrv->idle_conns || !newsrv->safe_conns) {
Willy Tarreau980855b2019-02-07 14:59:29 +01003607 free(newsrv->safe_conns); newsrv->safe_conns = NULL;
3608 free(newsrv->idle_conns); newsrv->idle_conns = NULL;
3609 free(newsrv->priv_conns); newsrv->priv_conns = NULL;
Willy Tarreau835daa12019-02-07 14:46:29 +01003610 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3611 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3612 cfgerr++;
3613 continue;
3614 }
3615
3616 for (i = 0; i < global.nbthread; i++) {
3617 LIST_INIT(&newsrv->priv_conns[i]);
3618 LIST_INIT(&newsrv->idle_conns[i]);
3619 LIST_INIT(&newsrv->safe_conns[i]);
3620 }
Willy Tarreau980855b2019-02-07 14:59:29 +01003621
3622 if (newsrv->max_idle_conns != 0) {
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003623 if (idle_conn_task == NULL) {
3624 idle_conn_task = task_new(MAX_THREADS_MASK);
3625 if (!idle_conn_task)
3626 goto err;
3627 idle_conn_task->process = srv_cleanup_idle_connections;
3628 idle_conn_task->context = NULL;
3629 for (i = 0; i < global.nbthread; i++) {
3630 idle_conn_cleanup[i] = task_new(1 << i);
3631 if (!idle_conn_cleanup[i])
3632 goto err;
3633 idle_conn_cleanup[i]->process = srv_cleanup_toremove_connections;
3634 idle_conn_cleanup[i]->context = NULL;
3635 LIST_INIT(&toremove_connections[i]);
3636 }
3637 }
Olivier Houcharddd1c8f12019-02-26 18:48:01 +01003638 newsrv->idle_orphan_conns = calloc((unsigned int)global.nbthread, sizeof(*newsrv->idle_orphan_conns));
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003639 if (!newsrv->idle_orphan_conns)
Willy Tarreau980855b2019-02-07 14:59:29 +01003640 goto err;
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003641 for (i = 0; i < global.nbthread; i++)
Willy Tarreau980855b2019-02-07 14:59:29 +01003642 LIST_INIT(&newsrv->idle_orphan_conns[i]);
Olivier Houchardf1314812019-02-18 16:41:17 +01003643 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(int));
3644 if (!newsrv->curr_idle_thr)
3645 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003646 continue;
3647 err:
3648 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3649 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3650 cfgerr++;
3651 continue;
3652 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003653 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003654 }
3655
3656 /***********************************************************/
3657 /* At this point, target names have already been resolved. */
3658 /***********************************************************/
3659
3660 /* Check multi-process mode compatibility */
3661
3662 if (global.nbproc > 1 && global.stats_fe) {
3663 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3664 unsigned long mask;
3665
Willy Tarreau6daac192019-02-02 17:39:53 +01003666 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
3667 mask &= proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003668
3669 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003670 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003671 break;
3672 }
3673 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003674 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 +02003675 }
3676 }
3677
3678 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003679 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003680 if (curproxy->bind_proc)
3681 continue;
3682
3683 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3684 unsigned long mask;
3685
Willy Tarreau6daac192019-02-02 17:39:53 +01003686 mask = proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003687 curproxy->bind_proc |= mask;
3688 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003689 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003690 }
3691
3692 if (global.stats_fe) {
3693 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3694 unsigned long mask;
3695
Cyril Bonté06181952016-02-24 00:14:54 +01003696 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003697 global.stats_fe->bind_proc |= mask;
3698 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003699 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003700 }
3701
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003702 /* propagate bindings from frontends to backends. Don't do it if there
3703 * are any fatal errors as we must not call it with unresolved proxies.
3704 */
3705 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003706 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003707 if (curproxy->cap & PR_CAP_FE)
3708 propagate_processes(curproxy, NULL);
3709 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003710 }
3711
3712 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003713 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3714 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003715
3716 /*******************************************************/
3717 /* At this step, all proxies have a non-null bind_proc */
3718 /*******************************************************/
3719
3720 /* perform the final checks before creating tasks */
3721
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003722 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003723 struct listener *listener;
3724 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003725
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003726 /* Configure SSL for each bind line.
3727 * Note: if configuration fails at some point, the ->ctx member
3728 * remains NULL so that listeners can later detach.
3729 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003730 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003731 if (bind_conf->xprt->prepare_bind_conf &&
3732 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003733 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003734 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003735
Willy Tarreaue6b98942007-10-29 01:09:36 +01003736 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003737 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003738 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003739 int nbproc;
3740
3741 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003742 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003743 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003744
3745 if (!nbproc) /* no intersection between listener and frontend */
3746 nbproc = 1;
3747
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003748 if (!listener->luid) {
3749 /* listener ID not set, use automatic numbering with first
3750 * spare entry starting with next_luid.
3751 */
3752 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3753 listener->conf.id.key = listener->luid = next_id;
3754 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003755 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003756 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003757
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003758 /* enable separate counters */
3759 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003760 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003761 if (!listener->name)
3762 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003763 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003764
Willy Tarreaue6b98942007-10-29 01:09:36 +01003765 if (curproxy->options & PR_O_TCP_NOLING)
3766 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003767 if (!listener->maxaccept)
3768 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3769
3770 /* we want to have an optimal behaviour on single process mode to
3771 * maximize the work at once, but in multi-process we want to keep
3772 * some fairness between processes, so we target half of the max
3773 * number of events to be balanced over all the processes the proxy
3774 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3775 * used to disable the limit.
3776 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003777 if (listener->maxaccept > 0 && nbproc > 1) {
3778 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003779 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3780 }
3781
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003782 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003783 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003784 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003785
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003786 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003787 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003788
Willy Tarreau620408f2016-10-21 16:37:51 +02003789 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3790 listener->options |= LI_O_TCP_L5_RULES;
3791
Willy Tarreaude3041d2010-05-31 10:56:17 +02003792 if (curproxy->mon_mask.s_addr)
3793 listener->options |= LI_O_CHK_MONNET;
3794
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003795 /* smart accept mode is automatic in HTTP mode */
3796 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003797 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003798 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3799 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003800 }
3801
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003802 /* Release unused SSL configs */
3803 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003804 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3805 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003806 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003807
Willy Tarreaua38a7172019-02-02 17:11:28 +01003808 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003809 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003810 int count, maxproc = 0;
3811
3812 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003813 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003814 if (count > maxproc)
3815 maxproc = count;
3816 }
3817 /* backends have 0, frontends have 1 or more */
3818 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003819 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3820 " limited to process assigned to the current request.\n",
3821 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003822
Willy Tarreau102df612014-05-07 23:56:38 +02003823 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003824 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3825 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003826 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003827 }
Willy Tarreau102df612014-05-07 23:56:38 +02003828 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003829 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3830 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003831 }
3832 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003833
3834 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003835 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003836 if (curproxy->task) {
3837 curproxy->task->context = curproxy;
3838 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003839 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003840 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3841 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003842 cfgerr++;
3843 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003844 }
3845
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003846 /*
3847 * Recount currently required checks.
3848 */
3849
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003850 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003851 int optnum;
3852
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003853 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3854 if (curproxy->options & cfg_opts[optnum].val)
3855 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003856
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003857 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3858 if (curproxy->options2 & cfg_opts2[optnum].val)
3859 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003860 }
3861
Willy Tarreau0fca4832015-05-01 19:12:05 +02003862 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003863 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003864 if (curproxy->table && curproxy->table->peers.p)
3865 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003866
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003867 /* compute the required process bindings for the peers from <stktables_list>
3868 * for all the stick-tables, the ones coming with "peers" sections included.
3869 */
3870 for (t = stktables_list; t; t = t->next) {
3871 struct proxy *p;
3872
3873 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3874 if (t->peers.p && t->peers.p->peers_fe) {
3875 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3876 }
3877 }
3878 }
3879
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003880 if (cfg_peers) {
3881 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003882 struct peer *p, *pb;
3883
Willy Tarreau1e273012015-05-01 19:15:17 +02003884 /* Remove all peers sections which don't have a valid listener,
3885 * which are not used by any table, or which are bound to more
3886 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003887 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003888 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003889 while (*last) {
3890 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003891
3892 if (curpeers->state == PR_STSTOPPED) {
3893 /* the "disabled" keyword was present */
3894 if (curpeers->peers_fe)
3895 stop_proxy(curpeers->peers_fe);
3896 curpeers->peers_fe = NULL;
3897 }
3898 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003899 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3900 curpeers->id, localpeer);
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003901 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003902 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003903 /* either it's totally stopped or too much used */
3904 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003905 ha_alert("Peers section '%s': peers referenced by sections "
3906 "running in different processes (%d different ones). "
3907 "Check global.nbproc and all tables' bind-process "
3908 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003909 cfgerr++;
3910 }
3911 stop_proxy(curpeers->peers_fe);
3912 curpeers->peers_fe = NULL;
3913 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003914 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003915 /* Initializes the transport layer of the server part of all the peers belonging to
3916 * <curpeers> section if required.
3917 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3918 * of an old process.
3919 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003920 p = curpeers->remote;
3921 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003922 if (p->srv) {
3923 if (p->srv->use_ssl && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3924 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3925 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003926 p = p->next;
3927 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003928 /* Configure the SSL bindings of the local peer if required. */
3929 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3930 struct list *l;
3931 struct bind_conf *bind_conf;
3932
3933 l = &curpeers->peers_fe->conf.bind;
3934 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3935 if (bind_conf->xprt->prepare_bind_conf &&
3936 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3937 cfgerr++;
3938 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02003939 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02003940 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3941 curpeers->id);
3942 cfgerr++;
3943 break;
3944 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003945 last = &curpeers->next;
3946 continue;
3947 }
3948
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003949 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003950 p = curpeers->remote;
3951 while (p) {
3952 pb = p->next;
3953 free(p->id);
3954 free(p);
3955 p = pb;
3956 }
3957
3958 /* Destroy and unlink this curpeers section.
3959 * Note: curpeers is backed up into *last.
3960 */
3961 free(curpeers->id);
3962 curpeers = curpeers->next;
3963 free(*last);
3964 *last = curpeers;
3965 }
3966 }
3967
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003968 for (t = stktables_list; t; t = t->next) {
3969 if (t->proxy)
3970 continue;
3971 if (!stktable_init(t)) {
3972 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
3973 cfgerr++;
3974 }
3975 }
3976
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003977 /* initialize stick-tables on backend capable proxies. This must not
3978 * be done earlier because the data size may be discovered while parsing
3979 * other proxies.
3980 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003981 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003982 if (curproxy->state == PR_STSTOPPED || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003983 continue;
3984
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003985 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003986 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003987 cfgerr++;
3988 }
3989 }
3990
Simon Horman0d16a402015-01-30 11:22:58 +09003991 if (mailers) {
3992 struct mailers *curmailers = mailers, **last;
3993 struct mailer *m, *mb;
3994
3995 /* Remove all mailers sections which don't have a valid listener.
3996 * This can happen when a mailers section is never referenced.
3997 */
3998 last = &mailers;
3999 while (*last) {
4000 curmailers = *last;
4001 if (curmailers->users) {
4002 last = &curmailers->next;
4003 continue;
4004 }
4005
Christopher Faulet767a84b2017-11-24 16:50:31 +01004006 ha_warning("Removing incomplete section 'mailers %s'.\n",
4007 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09004008
4009 m = curmailers->mailer_list;
4010 while (m) {
4011 mb = m->next;
4012 free(m->id);
4013 free(m);
4014 m = mb;
4015 }
4016
4017 /* Destroy and unlink this curmailers section.
4018 * Note: curmailers is backed up into *last.
4019 */
4020 free(curmailers->id);
4021 curmailers = curmailers->next;
4022 free(*last);
4023 *last = curmailers;
4024 }
4025 }
4026
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004027 /* Update server_state_file_name to backend name if backend is supposed to use
4028 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004029 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004030 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
4031 curproxy->server_state_file_name == NULL)
4032 curproxy->server_state_file_name = strdup(curproxy->id);
4033 }
4034
Ben Draut054fbee2018-04-13 15:43:04 -06004035 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
4036 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
4037 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
4038 curr_resolvers->id, curr_resolvers->conf.file,
4039 curr_resolvers->conf.line);
4040 err_code |= ERR_WARN;
4041 }
4042 }
4043
William Lallemand48b4bb42017-10-23 14:36:34 +02004044 list_for_each_entry(postparser, &postparsers, list) {
4045 if (postparser->func)
4046 cfgerr += postparser->func();
4047 }
4048
Willy Tarreaubb925012009-07-23 13:36:36 +02004049 if (cfgerr > 0)
4050 err_code |= ERR_ALERT | ERR_FATAL;
4051 out:
4052 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004053}
4054
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004055/*
4056 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4057 * parsing sessions.
4058 */
4059void cfg_register_keywords(struct cfg_kw_list *kwl)
4060{
4061 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
4062}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004063
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004064/*
4065 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4066 */
4067void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4068{
4069 LIST_DEL(&kwl->list);
4070 LIST_INIT(&kwl->list);
4071}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004072
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004073/* this function register new section in the haproxy configuration file.
4074 * <section_name> is the name of this new section and <section_parser>
4075 * is the called parser. If two section declaration have the same name,
4076 * only the first declared is used.
4077 */
4078int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004079 int (*section_parser)(const char *, int, char **, int),
4080 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004081{
4082 struct cfg_section *cs;
4083
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004084 list_for_each_entry(cs, &sections, list) {
4085 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004086 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004087 return 0;
4088 }
4089 }
4090
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004091 cs = calloc(1, sizeof(*cs));
4092 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004093 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004094 return 0;
4095 }
4096
4097 cs->section_name = section_name;
4098 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004099 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004100
4101 LIST_ADDQ(&sections, &cs->list);
4102
4103 return 1;
4104}
4105
William Lallemand48b4bb42017-10-23 14:36:34 +02004106/* this function register a new function which will be called once the haproxy
4107 * configuration file has been parsed. It's useful to check dependencies
4108 * between sections or to resolve items once everything is parsed.
4109 */
4110int cfg_register_postparser(char *name, int (*func)())
4111{
4112 struct cfg_postparser *cp;
4113
4114 cp = calloc(1, sizeof(*cp));
4115 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004116 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004117 return 0;
4118 }
4119 cp->name = name;
4120 cp->func = func;
4121
4122 LIST_ADDQ(&postparsers, &cp->list);
4123
4124 return 1;
4125}
4126
Willy Tarreaubaaee002006-06-26 02:48:02 +02004127/*
David Carlier845efb52015-09-25 11:49:18 +01004128 * free all config section entries
4129 */
4130void cfg_unregister_sections(void)
4131{
4132 struct cfg_section *cs, *ics;
4133
4134 list_for_each_entry_safe(cs, ics, &sections, list) {
4135 LIST_DEL(&cs->list);
4136 free(cs);
4137 }
4138}
4139
Christopher Faulet7110b402016-10-26 11:09:44 +02004140void cfg_backup_sections(struct list *backup_sections)
4141{
4142 struct cfg_section *cs, *ics;
4143
4144 list_for_each_entry_safe(cs, ics, &sections, list) {
4145 LIST_DEL(&cs->list);
4146 LIST_ADDQ(backup_sections, &cs->list);
4147 }
4148}
4149
4150void cfg_restore_sections(struct list *backup_sections)
4151{
4152 struct cfg_section *cs, *ics;
4153
4154 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4155 LIST_DEL(&cs->list);
4156 LIST_ADDQ(&sections, &cs->list);
4157 }
4158}
4159
Willy Tarreaue6552512018-11-26 11:33:13 +01004160/* these are the config sections handled by default */
4161REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4162REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4163REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4164REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4165REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4166REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4167REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4168REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4169REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4170REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004171
David Carlier845efb52015-09-25 11:49:18 +01004172/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004173 * Local variables:
4174 * c-indent-level: 8
4175 * c-basic-offset: 8
4176 * End:
4177 */