blob: a3cbca53525eb4462a91915af1e6469900dd2947 [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 Tarreau34eb6712011-10-24 18:15:04 +020066#include <proto/hdr_idx.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020067#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020068#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010069#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020070#include <proto/lb_fwlc.h>
71#include <proto/lb_fwrr.h>
72#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020073#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020074#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020075#include <proto/protocol.h>
Willy Tarreaue6b98942007-10-29 01:09:36 +010076#include <proto/proto_http.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010077#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020078#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020079#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020080#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020081#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020082#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010083#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010084#include <proto/task.h>
85#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020086#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020087
88
Willy Tarreauf3c69202006-07-09 16:42:34 +020089/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
90 * ssl-hello-chk option to ensure that the remote server speaks SSL.
91 *
92 * Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
93 */
94const char sslv3_client_hello_pkt[] = {
95 "\x16" /* ContentType : 0x16 = Hanshake */
96 "\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
97 "\x00\x79" /* ContentLength : 0x79 bytes after this one */
98 "\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
99 "\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
100 "\x03\x00" /* Hello Version : 0x0300 = v3 */
101 "\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
102 "HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
103 "\x00" /* Session ID length : empty (no session ID) */
104 "\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
105 "\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
106 "\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
107 "\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
108 "\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
109 "\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
110 "\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
111 "\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
112 "\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
113 "\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
114 "\x00\x38" "\x00\x39" "\x00\x3A"
115 "\x01" /* Compression Length : 0x01 = 1 byte for types */
116 "\x00" /* Compression Type : 0x00 = NULL compression */
117};
118
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +0100119/* Used to chain configuration sections definitions. This list
120 * stores struct cfg_section
121 */
122struct list sections = LIST_HEAD_INIT(sections);
123
William Lallemand48b4bb42017-10-23 14:36:34 +0200124struct list postparsers = LIST_HEAD_INIT(postparsers);
125
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100126char *cursection = NULL;
127struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreauc8d5b952019-02-27 17:25:52 +0100128int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100129int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100130char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200131
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200132/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100133struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200134 .list = LIST_HEAD_INIT(cfg_keywords.list)
135};
136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137/*
138 * converts <str> to a list of listeners which are dynamically allocated.
139 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
140 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
141 * - <port> is a numerical port from 1 to 65535 ;
142 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
143 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200144 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
145 * not NULL, it must be a valid pointer to either NULL or a freeable area that
146 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200147 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200148int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200149{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100150 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200151 int port, end;
152
153 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200154
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100156 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200157 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100158 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159
160 str = next;
161 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100162 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200163 *next++ = 0;
164 }
165
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100166 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200167 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200168 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100169 if (!ss2)
170 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100172 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100173 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200174 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100175 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100178 if (!port || !end) {
179 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
180 goto fail;
181 }
182
Emeric Bruned760922010-10-22 17:59:25 +0200183 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200184 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200185 goto fail;
186 }
187
188 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200189 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200190 goto fail;
191 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100193 else if (ss2->ss_family == AF_UNSPEC) {
194 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100195 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100196
197 /* We want to attach to an already bound fd whose number
198 * is in the addr part of ss2 when cast to sockaddr_in.
199 * Note that by definition there is a single listener.
200 * We still have to determine the address family to
201 * register the correct protocol.
202 */
203 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
204 addr_len = sizeof(*ss2);
205 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
206 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
207 goto fail;
208 }
209
210 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200211
212 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
213 socklen_t addr_len;
214 inherited = 1;
215
216 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
217 addr_len = sizeof(*ss2);
218 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
219 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
220 goto fail;
221 }
222
223 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
224 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100225 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200226
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100227 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100228 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200229 memprintf(err, "%s for address '%s'.\n", *err, str);
230 goto fail;
231 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200232 } /* end while(next) */
233 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200234 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200235 fail:
236 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200237 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200238}
239
William Lallemand6e62fb62015-04-28 16:55:23 +0200240/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100241 * Report an error in <msg> when there are too many arguments. This version is
242 * intended to be used by keyword parsers so that the message will be included
243 * into the general error message. The index is the current keyword in args.
244 * Return 0 if the number of argument is correct, otherwise build a message and
245 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
246 * message may also be null, it will simply not be produced (useful to check only).
247 * <msg> and <err_code> are only affected on error.
248 */
249int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
250{
251 int i;
252
253 if (!*args[index + maxarg + 1])
254 return 0;
255
256 if (msg) {
257 *msg = NULL;
258 memprintf(msg, "%s", args[0]);
259 for (i = 1; i <= index; i++)
260 memprintf(msg, "%s %s", *msg, args[i]);
261
262 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
263 }
264 if (err_code)
265 *err_code |= ERR_ALERT | ERR_FATAL;
266
267 return 1;
268}
269
270/*
271 * same as too_many_args_idx with a 0 index
272 */
273int too_many_args(int maxarg, char **args, char **msg, int *err_code)
274{
275 return too_many_args_idx(maxarg, 0, args, msg, err_code);
276}
277
278/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200279 * Report a fatal Alert when there is too much arguments
280 * The index is the current keyword in args
281 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
282 * Fill err_code with an ERR_ALERT and an ERR_FATAL
283 */
284int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
285{
286 char *kw = NULL;
287 int i;
288
289 if (!*args[index + maxarg + 1])
290 return 0;
291
292 memprintf(&kw, "%s", args[0]);
293 for (i = 1; i <= index; i++) {
294 memprintf(&kw, "%s %s", kw, args[i]);
295 }
296
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 ha_alert("parsing [%s:%d] : '%s' cannot handle unexpected argument '%s'.\n", file, linenum, kw, args[index + maxarg + 1]);
William Lallemand6e62fb62015-04-28 16:55:23 +0200298 free(kw);
299 *err_code |= ERR_ALERT | ERR_FATAL;
300 return 1;
301}
302
303/*
304 * same as alertif_too_many_args_idx with a 0 index
305 */
306int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
307{
308 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
309}
310
Willy Tarreau61d18892009-03-31 10:49:21 +0200311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312/* Report it if a request ACL condition uses some keywords that are incompatible
313 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
314 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
315 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100316 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100317int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100318{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100319 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200320 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100321
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100322 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100323 return 0;
324
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100325 acl = acl_cond_conflicts(cond, where);
326 if (acl) {
327 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100328 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
329 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100330 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100331 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
332 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100333 return ERR_WARN;
334 }
335 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100336 return 0;
337
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100338 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100339 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
340 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100341 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100342 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
343 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100344 return ERR_WARN;
345}
346
Christopher Faulet62519022017-10-16 15:49:32 +0200347/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100348 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100349 * two such numbers delimited by a dash ('-'). On success, it returns
350 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200351 *
352 * Note: this function can also be used to parse a thread number or a set of
353 * threads.
354 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100355int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200356{
Christopher Faulet26028f62017-11-22 15:01:51 +0100357 if (autoinc) {
358 *autoinc = 0;
359 if (strncmp(arg, "auto:", 5) == 0) {
360 arg += 5;
361 *autoinc = 1;
362 }
363 }
364
Christopher Faulet62519022017-10-16 15:49:32 +0200365 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100366 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200367 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100368 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200369 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100370 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200371 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100372 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100373 unsigned int low, high;
374
Christopher Faulet18cca782019-02-07 16:29:41 +0100375 for (p = arg; *p; p++) {
376 if (*p == '-' && !dash)
377 dash = p;
378 else if (!isdigit((int)*p)) {
379 memprintf(err, "'%s' is not a valid number/range.", arg);
380 return -1;
381 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100382 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100383
384 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100385 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100386 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100387
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100388 if (high < low) {
389 unsigned int swap = low;
390 low = high;
391 high = swap;
392 }
393
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100394 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100395 memprintf(err, "'%s' is not a valid number/range."
396 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100397 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100398 return 1;
399 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100400
401 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100402 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200403 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100404 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100405
Christopher Faulet5ab51772017-11-22 11:21:58 +0100406 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200407}
408
David Carlier7e351ee2017-12-01 09:14:02 +0000409#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200410/* Parse cpu sets. Each CPU set is either a unique number between 0 and
411 * <LONGBITS> or a range with two such numbers delimited by a dash
412 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
413 * returns 0. otherwise it returns 1 with an error message in <err>.
414 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100415unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200416{
417 int cur_arg = 0;
418
419 *cpu_set = 0;
420 while (*args[cur_arg]) {
421 char *dash;
422 unsigned int low, high;
423
424 if (!isdigit((int)*args[cur_arg])) {
425 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
426 return -1;
427 }
428
429 low = high = str2uic(args[cur_arg]);
430 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100431 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200432
433 if (high < low) {
434 unsigned int swap = low;
435 low = high;
436 high = swap;
437 }
438
439 if (high >= LONGBITS) {
440 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
441 return 1;
442 }
443
444 while (low <= high)
445 *cpu_set |= 1UL << low++;
446
447 cur_arg++;
448 }
449 return 0;
450}
David Carlier7e351ee2017-12-01 09:14:02 +0000451#endif
452
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200453void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200454{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100455 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200456 defproxy.mode = PR_MODE_TCP;
457 defproxy.state = PR_STNEW;
458 defproxy.maxconn = cfg_maxpconn;
459 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700460 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100461 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100462 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100463
Simon Horman66183002013-02-23 10:16:43 +0900464 defproxy.defsrv.check.inter = DEF_CHKINTR;
465 defproxy.defsrv.check.fastinter = 0;
466 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900467 defproxy.defsrv.agent.inter = DEF_CHKINTR;
468 defproxy.defsrv.agent.fastinter = 0;
469 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900470 defproxy.defsrv.check.rise = DEF_RISETIME;
471 defproxy.defsrv.check.fall = DEF_FALLTIME;
472 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
473 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200474 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900475 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100476 defproxy.defsrv.maxqueue = 0;
477 defproxy.defsrv.minconn = 0;
478 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100479 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100480 defproxy.defsrv.max_idle_conns = -1;
Willy Tarreau975b1552019-06-06 16:25:55 +0200481 defproxy.defsrv.pool_purge_delay = 5000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100482 defproxy.defsrv.slowstart = 0;
483 defproxy.defsrv.onerror = DEF_HANA_ONERR;
484 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
485 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900486
487 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200488 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200489}
490
Frédéric Lécaille18251032019-01-11 11:07:15 +0100491/* Allocate and initialize the frontend of a "peers" section found in
492 * file <file> at line <linenum> with <id> as ID.
493 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200494 * Note that this function may be called from "default-server"
495 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100496 */
497static int init_peers_frontend(const char *file, int linenum,
498 const char *id, struct peers *peers)
499{
500 struct proxy *p;
501
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200502 if (peers->peers_fe) {
503 p = peers->peers_fe;
504 goto out;
505 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100506
Frédéric Lécaille18251032019-01-11 11:07:15 +0100507 p = calloc(1, sizeof *p);
508 if (!p) {
509 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
510 return -1;
511 }
512
513 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200514 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100515 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200516 /* Finally store this frontend. */
517 peers->peers_fe = p;
518
519 out:
520 if (id && !p->id)
521 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200522 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100523 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100524 if (linenum != -1)
525 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100526
527 return 0;
528}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100529
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100530/* Only change ->file, ->line and ->arg struct bind_conf member values
531 * if already present.
532 */
533static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
534 const char *file, int line,
535 const char *arg, struct xprt_ops *xprt)
536{
537 struct bind_conf *bind_conf;
538
539 if (!LIST_ISEMPTY(&p->conf.bind)) {
540 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
541 free(bind_conf->file);
542 bind_conf->file = strdup(file);
543 bind_conf->line = line;
544 if (arg) {
545 free(bind_conf->arg);
546 bind_conf->arg = strdup(arg);
547 }
548 }
549 else {
550 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
551 }
552
553 return bind_conf;
554}
555
556/*
557 * Allocate a new struct peer parsed at line <linenum> in file <file>
558 * to be added to <peers>.
559 * Returns the new allocated structure if succeeded, NULL if not.
560 */
561static struct peer *cfg_peers_add_peer(struct peers *peers,
562 const char *file, int linenum,
563 const char *id, int local)
564{
565 struct peer *p;
566
567 p = calloc(1, sizeof *p);
568 if (!p) {
569 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
570 return NULL;
571 }
572
573 /* the peers are linked backwards first */
574 peers->count++;
575 p->next = peers->remote;
576 peers->remote = p;
577 p->conf.file = strdup(file);
578 p->conf.line = linenum;
579 p->last_change = now.tv_sec;
580 p->xprt = xprt_get(XPRT_RAW);
581 p->sock_init_arg = NULL;
582 HA_SPIN_INIT(&p->lock);
583 if (id)
584 p->id = strdup(id);
585 if (local) {
586 p->local = 1;
587 peers->local = p;
588 }
589
590 return p;
591}
592
Willy Tarreaubaaee002006-06-26 02:48:02 +0200593/*
William Lallemand51097192015-04-14 16:35:22 +0200594 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200595 * Returns the error code, 0 if OK, or any combination of :
596 * - ERR_ABORT: must abort ASAP
597 * - ERR_FATAL: we can continue parsing but not start the service
598 * - ERR_WARN: a warning has been emitted
599 * - ERR_ALERT: an alert has been emitted
600 * Only the two first ones can stop processing, the two others are just
601 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200602 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200603int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
604{
605 static struct peers *curpeers = NULL;
606 struct peer *newpeer = NULL;
607 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200608 struct bind_conf *bind_conf;
609 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200610 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100611 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100612 static int bind_line, peer_line;
613
614 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
615 int cur_arg;
616 static int kws_dumped;
617 struct bind_conf *bind_conf;
618 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200619
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100620 cur_arg = 1;
621
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200622 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
623 err_code |= ERR_ALERT | ERR_ABORT;
624 goto out;
625 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100626
627 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
628 NULL, xprt_get(XPRT_RAW));
629 if (*args[0] == 'b') {
630 struct listener *l;
631
632 if (peer_line) {
633 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
634 err_code |= ERR_ALERT | ERR_FATAL;
635 goto out;
636 }
637
638 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
639 if (errmsg && *errmsg) {
640 indent_msg(&errmsg, 2);
641 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
642 }
643 else
644 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
645 file, linenum, args[0], args[1], args[2]);
646 err_code |= ERR_FATAL;
647 goto out;
648 }
649 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
650 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100651 l->accept = session_accept_fd;
652 l->analysers |= curpeers->peers_fe->fe_req_ana;
653 l->default_target = curpeers->peers_fe->default_target;
654 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100655 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100656
657 bind_line = 1;
658 if (cfg_peers->local) {
659 newpeer = cfg_peers->local;
660 }
661 else {
662 /* This peer is local.
663 * Note that we do not set the peer ID. This latter is initialized
664 * when parsing "peer" or "server" line.
665 */
666 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
667 if (!newpeer) {
668 err_code |= ERR_ALERT | ERR_ABORT;
669 goto out;
670 }
671 }
672 newpeer->addr = l->addr;
673 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
674 cur_arg++;
675 }
676
677 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
678 int ret;
679
680 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
681 err_code |= ret;
682 if (ret) {
683 if (errmsg && *errmsg) {
684 indent_msg(&errmsg, 2);
685 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
686 }
687 else
688 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
689 file, linenum, args[cur_arg]);
690 if (ret & ERR_FATAL)
691 goto out;
692 }
693 cur_arg += 1 + kw->skip;
694 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100695 if (*args[cur_arg] != 0) {
Tim Duesterhus04bcaa12019-05-12 22:54:50 +0200696 char *kws = NULL;
697
698 if (!kws_dumped) {
699 kws_dumped = 1;
700 bind_dump_kws(&kws);
701 indent_msg(&kws, 4);
702 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100703 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
704 file, linenum, args[cur_arg], cursection,
705 kws ? " Registered keywords :" : "", kws ? kws: "");
706 free(kws);
707 err_code |= ERR_ALERT | ERR_FATAL;
708 goto out;
709 }
710 }
711 else if (strcmp(args[0], "default-server") == 0) {
712 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
713 err_code |= ERR_ALERT | ERR_ABORT;
714 goto out;
715 }
716 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200717 }
718 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100719 /* Initialize these static variables when entering a new "peers" section*/
720 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100721 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100722 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100723 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100724 goto out;
725 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200726
William Lallemand6e62fb62015-04-28 16:55:23 +0200727 if (alertif_too_many_args(1, file, linenum, args, &err_code))
728 goto out;
729
Emeric Brun32da3c42010-09-23 18:39:19 +0200730 err = invalid_char(args[1]);
731 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100732 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
733 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100734 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100735 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200736 }
737
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200738 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200739 /*
740 * If there are two proxies with the same name only following
741 * combinations are allowed:
742 */
743 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100744 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
745 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200746 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200747 }
748 }
749
Vincent Bernat02779b62016-04-03 13:48:43 +0200750 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100751 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200752 err_code |= ERR_ALERT | ERR_ABORT;
753 goto out;
754 }
755
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200756 curpeers->next = cfg_peers;
757 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200758 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200759 curpeers->conf.line = linenum;
760 curpeers->last_change = now.tv_sec;
761 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200762 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200763 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200764 else if (strcmp(args[0], "peer") == 0 ||
765 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100766 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200767
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100768 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100769 local_peer = !strcmp(args[1], localpeer);
770 /* The local peer may have already partially been parsed on a "bind" line. */
771 if (*args[0] == 'p') {
772 if (bind_line) {
773 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
774 err_code |= ERR_ALERT | ERR_FATAL;
775 goto out;
776 }
777 peer_line = 1;
778 }
779 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
780 /* The local peer has already been initialized on a "bind" line.
781 * Let's use it and store its ID.
782 */
783 newpeer = cfg_peers->local;
784 newpeer->id = strdup(localpeer);
785 }
786 else {
787 if (local_peer && cfg_peers->local) {
788 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
789 file, linenum, args[0], args[1],
790 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
791 err_code |= ERR_FATAL;
792 goto out;
793 }
794 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
795 if (!newpeer) {
796 err_code |= ERR_ALERT | ERR_ABORT;
797 goto out;
798 }
799 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200800
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100801 /* Line number and peer ID are updated only if this peer is the local one. */
802 if (init_peers_frontend(file,
803 newpeer->local ? linenum: -1,
804 newpeer->local ? newpeer->id : NULL,
805 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200806 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100807 goto out;
808 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100809
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100810 /* This initializes curpeer->peers->peers_fe->srv.
811 * The server address is parsed only if we are parsing a "peer" line,
812 * or if we are parsing a "server" line and the current peer is not the local one.
813 */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100814 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200815 if (!curpeers->peers_fe->srv)
Emeric Brun32da3c42010-09-23 18:39:19 +0200816 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200817
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100818 /* If the peer address has just been parsed, let's copy it to <newpeer>
819 * and initializes ->proto.
820 */
821 if (peer || !local_peer) {
822 newpeer->addr = curpeers->peers_fe->srv->addr;
823 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
824 }
825
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100826 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200827 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100828 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200829
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100830 newpeer->srv = curpeers->peers_fe->srv;
831 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200832 goto out;
833
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100834 /* The lines above are reserved to "peer" lines. */
835 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200836 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200837
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100838 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100839
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100840 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
841 if (errmsg && *errmsg) {
842 indent_msg(&errmsg, 2);
843 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100844 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100845 else
846 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
847 file, linenum, args[0], args[1], args[2]);
848 err_code |= ERR_FATAL;
849 goto out;
850 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100851
852 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
853 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100854 l->accept = session_accept_fd;
855 l->analysers |= curpeers->peers_fe->fe_req_ana;
856 l->default_target = curpeers->peers_fe->default_target;
857 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100858 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100859 }
860 else if (!strcmp(args[0], "table")) {
861 struct stktable *t, *other;
862 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100863 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100864
865 /* Line number and peer ID are updated only if this peer is the local one. */
866 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
867 err_code |= ERR_ALERT | ERR_ABORT;
868 goto out;
869 }
870
871 other = stktable_find_by_name(args[1]);
872 if (other) {
873 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
874 file, linenum, args[1],
875 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
876 other->proxy ? other->id : other->peers.p->id,
877 other->conf.file, other->conf.line);
878 err_code |= ERR_ALERT | ERR_FATAL;
879 goto out;
880 }
881
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100882 /* Build the stick-table name, concatenating the "peers" section name
883 * followed by a '/' character and the table name argument.
884 */
885 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100886 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100887 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
888 file, linenum, args[0], args[1]);
889 err_code |= ERR_ALERT | ERR_FATAL;
890 goto out;
891 }
892
893 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +0100894 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100895 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
896 file, linenum, args[0], args[1]);
897 err_code |= ERR_ALERT | ERR_FATAL;
898 goto out;
899 }
900
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100901 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100902 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100903 if (!t || !id) {
904 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
905 file, linenum, args[0], args[1]);
906 err_code |= ERR_ALERT | ERR_FATAL;
907 goto out;
908 }
909
Frédéric Lécaillec02766a2019-03-20 15:06:55 +0100910 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +0100911 if (err_code & ERR_FATAL)
912 goto out;
913
914 stktable_store_name(t);
915 t->next = stktables_list;
916 stktables_list = t;
917 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200918 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
919 curpeers->state = PR_STSTOPPED;
920 }
921 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
922 curpeers->state = PR_STNEW;
923 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200924 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100925 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200926 err_code |= ERR_ALERT | ERR_FATAL;
927 goto out;
928 }
929
930out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100931 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200932 return err_code;
933}
934
Baptiste Assmann325137d2015-04-13 23:40:55 +0200935/*
936 * Parse a <resolvers> section.
937 * Returns the error code, 0 if OK, or any combination of :
938 * - ERR_ABORT: must abort ASAP
939 * - ERR_FATAL: we can continue parsing but not start the service
940 * - ERR_WARN: a warning has been emitted
941 * - ERR_ALERT: an alert has been emitted
942 * Only the two first ones can stop processing, the two others are just
943 * indicators.
944 */
945int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
946{
947 static struct dns_resolvers *curr_resolvers = NULL;
948 struct dns_nameserver *newnameserver = NULL;
949 const char *err;
950 int err_code = 0;
951 char *errmsg = NULL;
952
953 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
954 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100955 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200956 err_code |= ERR_ALERT | ERR_ABORT;
957 goto out;
958 }
959
960 err = invalid_char(args[1]);
961 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100962 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
963 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200964 err_code |= ERR_ALERT | ERR_ABORT;
965 goto out;
966 }
967
968 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
969 /* Error if two resolvers owns the same name */
970 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100971 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
972 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200973 err_code |= ERR_ALERT | ERR_ABORT;
974 }
975 }
976
Vincent Bernat02779b62016-04-03 13:48:43 +0200977 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100978 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200979 err_code |= ERR_ALERT | ERR_ABORT;
980 goto out;
981 }
982
983 /* default values */
984 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
985 curr_resolvers->conf.file = strdup(file);
986 curr_resolvers->conf.line = linenum;
987 curr_resolvers->id = strdup(args[1]);
988 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200989 /* default maximum response size */
990 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100991 /* default hold period for nx, other, refuse and timeout is 30s */
992 curr_resolvers->hold.nx = 30000;
993 curr_resolvers->hold.other = 30000;
994 curr_resolvers->hold.refused = 30000;
995 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200996 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200997 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200998 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200999 curr_resolvers->timeout.resolve = 1000;
1000 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001001 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001002 curr_resolvers->nb_nameservers = 0;
1003 LIST_INIT(&curr_resolvers->nameservers);
1004 LIST_INIT(&curr_resolvers->resolutions.curr);
1005 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +01001006 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001007 }
1008 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
1009 struct sockaddr_storage *sk;
1010 int port1, port2;
1011 struct protocol *proto;
1012
1013 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001014 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1015 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001016 err_code |= ERR_ALERT | ERR_FATAL;
1017 goto out;
1018 }
1019
1020 err = invalid_char(args[1]);
1021 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001022 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1023 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001024 err_code |= ERR_ALERT | ERR_FATAL;
1025 goto out;
1026 }
1027
Christopher Faulet67957bd2017-09-27 11:00:59 +02001028 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +01001029 /* Error if two resolvers owns the same name */
1030 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001031 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 -06001032 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +01001033 err_code |= ERR_ALERT | ERR_FATAL;
1034 }
1035 }
1036
Vincent Bernat02779b62016-04-03 13:48:43 +02001037 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001038 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001039 err_code |= ERR_ALERT | ERR_ABORT;
1040 goto out;
1041 }
1042
1043 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +02001044 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001045 newnameserver->resolvers = curr_resolvers;
1046 newnameserver->conf.file = strdup(file);
1047 newnameserver->conf.line = linenum;
1048 newnameserver->id = strdup(args[1]);
1049
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001050 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001051 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001052 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001053 err_code |= ERR_ALERT | ERR_FATAL;
1054 goto out;
1055 }
1056
1057 proto = protocol_by_family(sk->ss_family);
1058 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001059 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +02001060 file, linenum, args[0], args[1]);
1061 err_code |= ERR_ALERT | ERR_FATAL;
1062 goto out;
1063 }
1064
1065 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001066 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1067 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001068 err_code |= ERR_ALERT | ERR_FATAL;
1069 goto out;
1070 }
1071
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001072 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001073 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1074 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001075 err_code |= ERR_ALERT | ERR_FATAL;
1076 goto out;
1077 }
1078
Baptiste Assmann325137d2015-04-13 23:40:55 +02001079 newnameserver->addr = *sk;
1080 }
Ben Draut44e609b2018-05-29 15:40:08 -06001081 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1082 const char *whitespace = "\r\n\t ";
1083 char *resolv_line = NULL;
1084 int resolv_linenum = 0;
1085 FILE *f = NULL;
1086 char *address = NULL;
1087 struct sockaddr_storage *sk = NULL;
1088 struct protocol *proto;
1089 int duplicate_name = 0;
1090
1091 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1092 ha_alert("parsing [%s:%d] : out of memory.\n",
1093 file, linenum);
1094 err_code |= ERR_ALERT | ERR_FATAL;
1095 goto resolv_out;
1096 }
1097
1098 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1099 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1100 file, linenum);
1101 err_code |= ERR_ALERT | ERR_FATAL;
1102 goto resolv_out;
1103 }
1104
1105 sk = calloc(1, sizeof(*sk));
1106 if (sk == NULL) {
1107 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1108 resolv_linenum);
1109 err_code |= ERR_ALERT | ERR_FATAL;
1110 goto resolv_out;
1111 }
1112
1113 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1114 resolv_linenum++;
1115 if (strncmp(resolv_line, "nameserver", 10) != 0)
1116 continue;
1117
1118 address = strtok(resolv_line + 10, whitespace);
1119 if (address == resolv_line + 10)
1120 continue;
1121
1122 if (address == NULL) {
1123 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1124 resolv_linenum);
1125 err_code |= ERR_WARN;
1126 continue;
1127 }
1128
1129 duplicate_name = 0;
1130 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1131 if (strcmp(newnameserver->id, address) == 0) {
1132 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",
1133 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1134 err_code |= ERR_WARN;
1135 duplicate_name = 1;
1136 }
1137 }
1138
1139 if (duplicate_name)
1140 continue;
1141
1142 memset(sk, 0, sizeof(*sk));
1143 sk = str2ip2(address, sk, 1);
1144 if (!sk) {
1145 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1146 resolv_linenum, address);
1147 err_code |= ERR_WARN;
1148 continue;
1149 }
1150
1151 set_host_port(sk, 53);
1152
1153 proto = protocol_by_family(sk->ss_family);
1154 if (!proto || !proto->connect) {
1155 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1156 resolv_linenum, address);
1157 err_code |= ERR_WARN;
1158 continue;
1159 }
1160
1161 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1162 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1163 err_code |= ERR_ALERT | ERR_FATAL;
1164 goto resolv_out;
1165 }
1166
1167 newnameserver->conf.file = strdup("/etc/resolv.conf");
1168 if (newnameserver->conf.file == NULL) {
1169 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1170 err_code |= ERR_ALERT | ERR_FATAL;
1171 goto resolv_out;
1172 }
1173
1174 newnameserver->id = strdup(address);
1175 if (newnameserver->id == NULL) {
1176 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1177 err_code |= ERR_ALERT | ERR_FATAL;
1178 goto resolv_out;
1179 }
1180
1181 newnameserver->resolvers = curr_resolvers;
1182 newnameserver->conf.line = resolv_linenum;
1183 newnameserver->addr = *sk;
1184
1185 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1186 }
1187
1188resolv_out:
1189 free(sk);
1190 free(resolv_line);
1191 if (f != NULL)
1192 fclose(f);
1193 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001194 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1195 const char *res;
1196 unsigned int time;
1197
1198 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001199 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1200 file, linenum, args[0]);
1201 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001202 err_code |= ERR_ALERT | ERR_FATAL;
1203 goto out;
1204 }
1205 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001206 if (res == PARSE_TIME_OVER) {
1207 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 ms (~24.8 days).\n",
1208 file, linenum, args[1], args[0]);
1209 err_code |= ERR_ALERT | ERR_FATAL;
1210 goto out;
1211 }
1212 else if (res == PARSE_TIME_UNDER) {
1213 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 ms.\n",
1214 file, linenum, args[1], args[0]);
1215 err_code |= ERR_ALERT | ERR_FATAL;
1216 goto out;
1217 }
1218 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001219 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1220 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001221 err_code |= ERR_ALERT | ERR_FATAL;
1222 goto out;
1223 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001224 if (strcmp(args[1], "nx") == 0)
1225 curr_resolvers->hold.nx = time;
1226 else if (strcmp(args[1], "other") == 0)
1227 curr_resolvers->hold.other = time;
1228 else if (strcmp(args[1], "refused") == 0)
1229 curr_resolvers->hold.refused = time;
1230 else if (strcmp(args[1], "timeout") == 0)
1231 curr_resolvers->hold.timeout = time;
1232 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001233 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001234 else if (strcmp(args[1], "obsolete") == 0)
1235 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001236 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001237 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1238 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001239 err_code |= ERR_ALERT | ERR_FATAL;
1240 goto out;
1241 }
1242
1243 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001244 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001245 int i = 0;
1246
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001247 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001248 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1249 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001250 err_code |= ERR_ALERT | ERR_FATAL;
1251 goto out;
1252 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001253
1254 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001255 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001256 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1257 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001258 err_code |= ERR_ALERT | ERR_FATAL;
1259 goto out;
1260 }
1261
1262 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001263 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001264 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001265 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 +01001266 file, linenum, args[0]);
Tim Duesterhus3506dae2019-05-14 20:57:56 +02001267 err_code |= ERR_ALERT | ERR_FATAL;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001268 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001269 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001270 else if (strcmp(args[0], "resolve_retries") == 0) {
1271 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001272 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1273 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001274 err_code |= ERR_ALERT | ERR_FATAL;
1275 goto out;
1276 }
1277 curr_resolvers->resolve_retries = atoi(args[1]);
1278 }
1279 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001280 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001281 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1282 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001283 err_code |= ERR_ALERT | ERR_FATAL;
1284 goto out;
1285 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001286 else if (strcmp(args[1], "retry") == 0 ||
1287 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001288 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001289 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001290
1291 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001292 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1293 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001294 err_code |= ERR_ALERT | ERR_FATAL;
1295 goto out;
1296 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001297 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001298 if (res == PARSE_TIME_OVER) {
1299 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1300 file, linenum, args[2], args[0], args[1]);
1301 err_code |= ERR_ALERT | ERR_FATAL;
1302 goto out;
1303 }
1304 else if (res == PARSE_TIME_UNDER) {
1305 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1306 file, linenum, args[2], args[0], args[1]);
1307 err_code |= ERR_ALERT | ERR_FATAL;
1308 goto out;
1309 }
1310 else if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001311 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1312 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001313 err_code |= ERR_ALERT | ERR_FATAL;
1314 goto out;
1315 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001316 if (args[1][2] == 't')
1317 curr_resolvers->timeout.retry = tout;
1318 else
1319 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001320 }
1321 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001322 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1323 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001324 err_code |= ERR_ALERT | ERR_FATAL;
1325 goto out;
1326 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001327 } /* neither "nameserver" nor "resolvers" */
1328 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001329 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001330 err_code |= ERR_ALERT | ERR_FATAL;
1331 goto out;
1332 }
1333
1334 out:
1335 free(errmsg);
1336 return err_code;
1337}
Simon Horman0d16a402015-01-30 11:22:58 +09001338
1339/*
William Lallemand51097192015-04-14 16:35:22 +02001340 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001341 * Returns the error code, 0 if OK, or any combination of :
1342 * - ERR_ABORT: must abort ASAP
1343 * - ERR_FATAL: we can continue parsing but not start the service
1344 * - ERR_WARN: a warning has been emitted
1345 * - ERR_ALERT: an alert has been emitted
1346 * Only the two first ones can stop processing, the two others are just
1347 * indicators.
1348 */
1349int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1350{
1351 static struct mailers *curmailers = NULL;
1352 struct mailer *newmailer = NULL;
1353 const char *err;
1354 int err_code = 0;
1355 char *errmsg = NULL;
1356
1357 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1358 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001359 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001360 err_code |= ERR_ALERT | ERR_ABORT;
1361 goto out;
1362 }
1363
1364 err = invalid_char(args[1]);
1365 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001366 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1367 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001368 err_code |= ERR_ALERT | ERR_ABORT;
1369 goto out;
1370 }
1371
1372 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1373 /*
1374 * If there are two proxies with the same name only following
1375 * combinations are allowed:
1376 */
1377 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001378 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1379 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001380 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001381 }
1382 }
1383
Vincent Bernat02779b62016-04-03 13:48:43 +02001384 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001385 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001386 err_code |= ERR_ALERT | ERR_ABORT;
1387 goto out;
1388 }
1389
1390 curmailers->next = mailers;
1391 mailers = curmailers;
1392 curmailers->conf.file = strdup(file);
1393 curmailers->conf.line = linenum;
1394 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001395 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1396 * But need enough time so that timeouts don't occur
1397 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001398 }
1399 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1400 struct sockaddr_storage *sk;
1401 int port1, port2;
1402 struct protocol *proto;
1403
1404 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001405 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1406 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001407 err_code |= ERR_ALERT | ERR_FATAL;
1408 goto out;
1409 }
1410
1411 err = invalid_char(args[1]);
1412 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001413 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1414 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001415 err_code |= ERR_ALERT | ERR_FATAL;
1416 goto out;
1417 }
1418
Vincent Bernat02779b62016-04-03 13:48:43 +02001419 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001420 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001421 err_code |= ERR_ALERT | ERR_ABORT;
1422 goto out;
1423 }
1424
1425 /* the mailers are linked backwards first */
1426 curmailers->count++;
1427 newmailer->next = curmailers->mailer_list;
1428 curmailers->mailer_list = newmailer;
1429 newmailer->mailers = curmailers;
1430 newmailer->conf.file = strdup(file);
1431 newmailer->conf.line = linenum;
1432
1433 newmailer->id = strdup(args[1]);
1434
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001435 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001436 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001437 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001438 err_code |= ERR_ALERT | ERR_FATAL;
1439 goto out;
1440 }
1441
1442 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001443 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001444 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1445 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001446 err_code |= ERR_ALERT | ERR_FATAL;
1447 goto out;
1448 }
1449
1450 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001451 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1452 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001453 err_code |= ERR_ALERT | ERR_FATAL;
1454 goto out;
1455 }
1456
1457 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001458 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1459 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001460 err_code |= ERR_ALERT | ERR_FATAL;
1461 goto out;
1462 }
1463
1464 newmailer->addr = *sk;
1465 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001466 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001467 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001468 }
1469 else if (strcmp(args[0], "timeout") == 0) {
1470 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001471 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1472 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001473 err_code |= ERR_ALERT | ERR_FATAL;
1474 goto out;
1475 }
1476 else if (strcmp(args[1], "mail") == 0) {
1477 const char *res;
1478 unsigned int timeout_mail;
1479 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001480 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1481 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001482 err_code |= ERR_ALERT | ERR_FATAL;
1483 goto out;
1484 }
1485 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001486 if (res == PARSE_TIME_OVER) {
1487 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1488 file, linenum, args[2], args[0], args[1]);
1489 err_code |= ERR_ALERT | ERR_FATAL;
1490 goto out;
1491 }
1492 else if (res == PARSE_TIME_UNDER) {
1493 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1494 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001495 err_code |= ERR_ALERT | ERR_FATAL;
1496 goto out;
1497 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001498 else if (res) {
1499 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1500 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001501 err_code |= ERR_ALERT | ERR_FATAL;
1502 goto out;
1503 }
1504 curmailers->timeout.mail = timeout_mail;
1505 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001506 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001507 file, linenum, args[0], args[1]);
1508 err_code |= ERR_ALERT | ERR_FATAL;
1509 goto out;
1510 }
1511 }
Simon Horman0d16a402015-01-30 11:22:58 +09001512 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001513 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001514 err_code |= ERR_ALERT | ERR_FATAL;
1515 goto out;
1516 }
1517
1518out:
1519 free(errmsg);
1520 return err_code;
1521}
1522
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001523void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001524{
1525 free(p->email_alert.mailers.name);
1526 p->email_alert.mailers.name = NULL;
1527 free(p->email_alert.from);
1528 p->email_alert.from = NULL;
1529 free(p->email_alert.to);
1530 p->email_alert.to = NULL;
1531 free(p->email_alert.myhostname);
1532 p->email_alert.myhostname = NULL;
1533}
1534
Willy Tarreaubaaee002006-06-26 02:48:02 +02001535
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001536int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001537cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1538{
Willy Tarreaue5733232019-05-22 19:24:06 +02001539#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001540 const char *err;
1541 const char *item = args[0];
1542
1543 if (!strcmp(item, "namespace_list")) {
1544 return 0;
1545 }
1546 else if (!strcmp(item, "namespace")) {
1547 size_t idx = 1;
1548 const char *current;
1549 while (*(current = args[idx++])) {
1550 err = invalid_char(current);
1551 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001552 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1553 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001554 return ERR_ALERT | ERR_FATAL;
1555 }
1556
1557 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001558 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1559 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001560 return ERR_ALERT | ERR_FATAL;
1561 }
1562 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001563 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1564 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001565 return ERR_ALERT | ERR_FATAL;
1566 }
1567 }
1568 }
1569
1570 return 0;
1571#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001572 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1573 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001574 return ERR_ALERT | ERR_FATAL;
1575#endif
1576}
1577
1578int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001579cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1580{
1581
1582 int err_code = 0;
1583 const char *err;
1584
1585 if (!strcmp(args[0], "userlist")) { /* new userlist */
1586 struct userlist *newul;
1587
1588 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001589 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1590 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001591 err_code |= ERR_ALERT | ERR_FATAL;
1592 goto out;
1593 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001594 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1595 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001596
1597 err = invalid_char(args[1]);
1598 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001599 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1600 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001601 err_code |= ERR_ALERT | ERR_FATAL;
1602 goto out;
1603 }
1604
1605 for (newul = userlist; newul; newul = newul->next)
1606 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001607 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1608 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001609 err_code |= ERR_WARN;
1610 goto out;
1611 }
1612
Vincent Bernat02779b62016-04-03 13:48:43 +02001613 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001614 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001615 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001616 err_code |= ERR_ALERT | ERR_ABORT;
1617 goto out;
1618 }
1619
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001620 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001621 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001622 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001623 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001624 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001625 goto out;
1626 }
1627
1628 newul->next = userlist;
1629 userlist = newul;
1630
1631 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001632 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001633 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001634 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001635
1636 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001637 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1638 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001639 err_code |= ERR_ALERT | ERR_FATAL;
1640 goto out;
1641 }
1642
1643 err = invalid_char(args[1]);
1644 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001645 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1646 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001647 err_code |= ERR_ALERT | ERR_FATAL;
1648 goto out;
1649 }
1650
William Lallemand4ac9f542015-05-28 18:03:51 +02001651 if (!userlist)
1652 goto out;
1653
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001654 for (ag = userlist->groups; ag; ag = ag->next)
1655 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001656 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1657 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001658 err_code |= ERR_ALERT;
1659 goto out;
1660 }
1661
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001662 ag = calloc(1, sizeof(*ag));
1663 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001664 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001665 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001666 goto out;
1667 }
1668
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001669 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001670 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001671 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001672 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001673 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001674 goto out;
1675 }
1676
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001677 cur_arg = 2;
1678
1679 while (*args[cur_arg]) {
1680 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001681 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001682 cur_arg += 2;
1683 continue;
1684 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001685 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1686 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001687 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001688 free(ag->groupusers);
1689 free(ag->name);
1690 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001691 goto out;
1692 }
1693 }
1694
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001695 ag->next = userlist->groups;
1696 userlist->groups = ag;
1697
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001698 } else if (!strcmp(args[0], "user")) { /* new user */
1699 struct auth_users *newuser;
1700 int cur_arg;
1701
1702 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001703 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1704 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001705 err_code |= ERR_ALERT | ERR_FATAL;
1706 goto out;
1707 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001708 if (!userlist)
1709 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001710
1711 for (newuser = userlist->users; newuser; newuser = newuser->next)
1712 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001713 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1714 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001715 err_code |= ERR_ALERT;
1716 goto out;
1717 }
1718
Vincent Bernat02779b62016-04-03 13:48:43 +02001719 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001720 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001721 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001722 err_code |= ERR_ALERT | ERR_ABORT;
1723 goto out;
1724 }
1725
1726 newuser->user = strdup(args[1]);
1727
1728 newuser->next = userlist->users;
1729 userlist->users = newuser;
1730
1731 cur_arg = 2;
1732
1733 while (*args[cur_arg]) {
1734 if (!strcmp(args[cur_arg], "password")) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001735#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001736 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001737 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1738 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001739 err_code |= ERR_ALERT | ERR_FATAL;
1740 goto out;
1741 }
1742#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001743 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1744 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001745 err_code |= ERR_ALERT;
1746#endif
1747 newuser->pass = strdup(args[cur_arg + 1]);
1748 cur_arg += 2;
1749 continue;
1750 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1751 newuser->pass = strdup(args[cur_arg + 1]);
1752 newuser->flags |= AU_O_INSECURE;
1753 cur_arg += 2;
1754 continue;
1755 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001756 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001757 cur_arg += 2;
1758 continue;
1759 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001760 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1761 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001762 err_code |= ERR_ALERT | ERR_FATAL;
1763 goto out;
1764 }
1765 }
1766 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001767 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 +01001768 err_code |= ERR_ALERT | ERR_FATAL;
1769 }
1770
1771out:
1772 return err_code;
1773}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001774
Christopher Faulet79bdef32016-11-04 22:36:15 +01001775int
1776cfg_parse_scope(const char *file, int linenum, char *line)
1777{
1778 char *beg, *end, *scope = NULL;
1779 int err_code = 0;
1780 const char *err;
1781
1782 beg = line + 1;
1783 end = strchr(beg, ']');
1784
1785 /* Detect end of scope declaration */
1786 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001787 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1788 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001789 err_code |= ERR_ALERT | ERR_FATAL;
1790 goto out;
1791 }
1792
1793 /* Get scope name and check its validity */
1794 scope = my_strndup(beg, end-beg);
1795 err = invalid_char(scope);
1796 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001797 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1798 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001799 err_code |= ERR_ALERT | ERR_ABORT;
1800 goto out;
1801 }
1802
1803 /* Be sure to have a scope declaration alone on its line */
1804 line = end+1;
1805 while (isspace((unsigned char)*line))
1806 line++;
1807 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001808 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1809 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001810 err_code |= ERR_ALERT | ERR_ABORT;
1811 goto out;
1812 }
1813
1814 /* We have a valid scope declaration, save it */
1815 free(cfg_scope);
1816 cfg_scope = scope;
1817 scope = NULL;
1818
1819 out:
1820 free(scope);
1821 return err_code;
1822}
1823
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001824int
1825cfg_parse_track_sc_num(unsigned int *track_sc_num,
1826 const char *arg, const char *end, char **errmsg)
1827{
1828 const char *p;
1829 unsigned int num;
1830
1831 p = arg;
1832 num = read_uint64(&arg, end);
1833
1834 if (arg != end) {
1835 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1836 return -1;
1837 }
1838
1839 if (num >= MAX_SESS_STKCTR) {
1840 memprintf(errmsg, "%u track-sc number exceeding "
1841 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1842 return -1;
1843 }
1844
1845 *track_sc_num = num;
1846 return 0;
1847}
1848
Willy Tarreaubaaee002006-06-26 02:48:02 +02001849/*
1850 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001851 * Returns the error code, 0 if OK, or any combination of :
1852 * - ERR_ABORT: must abort ASAP
1853 * - ERR_FATAL: we can continue parsing but not start the service
1854 * - ERR_WARN: a warning has been emitted
1855 * - ERR_ALERT: an alert has been emitted
1856 * Only the two first ones can stop processing, the two others are just
1857 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001858 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001859int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001860{
William Lallemand64e84512015-05-12 14:25:37 +02001861 char *thisline;
1862 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001863 FILE *f;
1864 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001865 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001866 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001867 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001868 int readbytes = 0;
1869
1870 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001871 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001872 return -1;
1873 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001874
David Carlier97880bb2016-04-08 10:35:26 +01001875 if ((f=fopen(file,"r")) == NULL) {
1876 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001877 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001878 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001879
William Lallemandb2f07452015-05-12 14:27:13 +02001880next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001881 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001882 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001883 char *end;
1884 char *args[MAX_LINE_ARGS + 1];
1885 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001886 int dquote = 0; /* double quote */
1887 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001888
Willy Tarreaubaaee002006-06-26 02:48:02 +02001889 linenum++;
1890
1891 end = line + strlen(line);
1892
William Lallemand64e84512015-05-12 14:25:37 +02001893 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001894 /* Check if we reached the limit and the last char is not \n.
1895 * Watch out for the last line without the terminating '\n'!
1896 */
William Lallemand64e84512015-05-12 14:25:37 +02001897 char *newline;
1898 int newlinesize = linesize * 2;
1899
1900 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1901 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001902 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1903 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001904 err_code |= ERR_ALERT | ERR_FATAL;
1905 continue;
1906 }
1907
1908 readbytes = linesize - 1;
1909 linesize = newlinesize;
1910 thisline = newline;
1911 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001912 }
1913
William Lallemand64e84512015-05-12 14:25:37 +02001914 readbytes = 0;
1915
Willy Tarreaubaaee002006-06-26 02:48:02 +02001916 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001917 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001918 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001919
Christopher Faulet79bdef32016-11-04 22:36:15 +01001920
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001921 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001922 err_code |= cfg_parse_scope(file, linenum, line);
1923 goto next_line;
1924 }
1925
Willy Tarreaubaaee002006-06-26 02:48:02 +02001926 arg = 0;
1927 args[arg] = line;
1928
1929 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001930 if (*line == '"' && !squote) { /* double quote outside single quotes */
1931 if (dquote)
1932 dquote = 0;
1933 else
1934 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001935 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001936 end--;
1937 }
1938 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1939 if (squote)
1940 squote = 0;
1941 else
1942 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001943 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001944 end--;
1945 }
1946 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001947 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1948 * C equivalent value. Other combinations left unchanged (eg: \1).
1949 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001950 int skip = 0;
1951 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1952 *line = line[1];
1953 skip = 1;
1954 }
1955 else if (line[1] == 'r') {
1956 *line = '\r';
1957 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001958 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001959 else if (line[1] == 'n') {
1960 *line = '\n';
1961 skip = 1;
1962 }
1963 else if (line[1] == 't') {
1964 *line = '\t';
1965 skip = 1;
1966 }
1967 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001968 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001969 unsigned char hex1, hex2;
1970 hex1 = toupper(line[2]) - '0';
1971 hex2 = toupper(line[3]) - '0';
1972 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1973 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1974 *line = (hex1<<4) + hex2;
1975 skip = 3;
1976 }
1977 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001978 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001979 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001980 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001981 } else if (line[1] == '"') {
1982 *line = '"';
1983 skip = 1;
1984 } else if (line[1] == '\'') {
1985 *line = '\'';
1986 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001987 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1988 *line = '$';
1989 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001990 }
1991 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001992 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001993 end -= skip;
1994 }
1995 line++;
1996 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001997 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001998 /* end of string, end of loop */
1999 *line = 0;
2000 break;
2001 }
William Lallemandf9873ba2015-05-05 17:37:14 +02002002 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002003 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01002004 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02002005 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02002006 line++;
2007 args[++arg] = line;
2008 }
William Lallemandb2f07452015-05-12 14:27:13 +02002009 else if (dquote && *line == '$') {
2010 /* environment variables are evaluated inside double quotes */
2011 char *var_beg;
2012 char *var_end;
2013 char save_char;
2014 char *value;
2015 int val_len;
2016 int newlinesize;
2017 int braces = 0;
2018
2019 var_beg = line + 1;
2020 var_end = var_beg;
2021
2022 if (*var_beg == '{') {
2023 var_beg++;
2024 var_end++;
2025 braces = 1;
2026 }
2027
2028 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002029 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 +02002030 err_code |= ERR_ALERT | ERR_FATAL;
2031 goto next_line; /* skip current line */
2032 }
2033
2034 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
2035 var_end++;
2036
2037 save_char = *var_end;
2038 *var_end = '\0';
2039 value = getenv(var_beg);
2040 *var_end = save_char;
2041 val_len = value ? strlen(value) : 0;
2042
2043 if (braces) {
2044 if (*var_end == '}') {
2045 var_end++;
2046 braces = 0;
2047 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002048 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002049 err_code |= ERR_ALERT | ERR_FATAL;
2050 goto next_line; /* skip current line */
2051 }
2052 }
2053
2054 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
2055
2056 /* if not enough space in thisline */
2057 if (newlinesize > linesize) {
2058 char *newline;
2059
2060 newline = realloc(thisline, newlinesize * sizeof(*thisline));
2061 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002062 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002063 err_code |= ERR_ALERT | ERR_FATAL;
2064 goto next_line; /* slip current line */
2065 }
2066 /* recompute pointers if realloc returns a new pointer */
2067 if (newline != thisline) {
2068 int i;
2069 int diff;
2070
2071 for (i = 0; i <= arg; i++) {
2072 diff = args[i] - thisline;
2073 args[i] = newline + diff;
2074 }
2075
2076 diff = var_end - thisline;
2077 var_end = newline + diff;
2078 diff = end - thisline;
2079 end = newline + diff;
2080 diff = line - thisline;
2081 line = newline + diff;
2082 thisline = newline;
2083 }
2084 linesize = newlinesize;
2085 }
2086
2087 /* insert value inside the line */
2088 memmove(line + val_len, var_end, end - var_end + 1);
2089 memcpy(line, value, val_len);
2090 end += val_len - (var_end - line);
2091 line += val_len;
2092 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002093 else {
2094 line++;
2095 }
2096 }
William Lallemandb2f07452015-05-12 14:27:13 +02002097
William Lallemandf9873ba2015-05-05 17:37:14 +02002098 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002099 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002100 err_code |= ERR_ALERT | ERR_FATAL;
2101 }
2102
2103 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002104 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002105 err_code |= ERR_ALERT | ERR_FATAL;
2106 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002107
2108 /* empty line */
2109 if (!**args)
2110 continue;
2111
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002112 if (*line) {
2113 /* we had to stop due to too many args.
2114 * Let's terminate the string, print the offending part then cut the
2115 * last arg.
2116 */
2117 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2118 line++;
2119 *line = '\0';
2120
Christopher Faulet767a84b2017-11-24 16:50:31 +01002121 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2122 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002123 err_code |= ERR_ALERT | ERR_FATAL;
2124 args[arg] = line;
2125 }
2126
Willy Tarreau540abe42007-05-02 20:50:16 +02002127 /* zero out remaining args and ensure that at least one entry
2128 * is zeroed out.
2129 */
2130 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002131 args[arg] = line;
2132 }
2133
Willy Tarreau3842f002009-06-14 11:39:52 +02002134 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002135 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002136 char *tmp;
2137
Willy Tarreau3842f002009-06-14 11:39:52 +02002138 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002139 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002140 for (arg=0; *args[arg+1]; arg++)
2141 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002142 *tmp = '\0'; // fix the next arg to \0
2143 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002144 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002145 else if (!strcmp(args[0], "default")) {
2146 kwm = KWM_DEF;
2147 for (arg=0; *args[arg+1]; arg++)
2148 args[arg] = args[arg+1]; // shift args after inversion
2149 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002150
William Lallemand0f99e342011-10-12 17:50:54 +02002151 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01002152 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
2153 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 +02002154 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002155 }
2156
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002157 /* detect section start */
2158 list_for_each_entry(ics, &sections, list) {
2159 if (strcmp(args[0], ics->section_name) == 0) {
2160 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002161 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002162 cs = ics;
2163 break;
2164 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002165 }
2166
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002167 if (pcs && pcs->post_section_parser) {
2168 err_code |= pcs->post_section_parser();
2169 if (err_code & ERR_ABORT)
2170 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002171 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002172 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002173
William Lallemandd2ff56d2017-10-16 11:06:50 +02002174 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002175 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002176 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002177 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002178 err_code |= cs->section_parser(file, linenum, args, kwm);
2179 if (err_code & ERR_ABORT)
2180 goto err;
2181 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002182 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002183
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002184 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002185 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002186
2187err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002188 free(cfg_scope);
2189 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002190 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002191 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002192 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002193 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002194}
2195
Willy Tarreau64ab6072014-09-16 12:17:36 +02002196/* This function propagates processes from frontend <from> to backend <to> so
2197 * that it is always guaranteed that a backend pointed to by a frontend is
2198 * bound to all of its processes. After that, if the target is a "listen"
2199 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002200 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002201 * checked first to ensure that <to> is already bound to all processes of
2202 * <from>, there is no risk of looping and we ensure to follow the shortest
2203 * path to the destination.
2204 *
2205 * It is possible to set <to> to NULL for the first call so that the function
2206 * takes care of visiting the initial frontend in <from>.
2207 *
2208 * It is important to note that the function relies on the fact that all names
2209 * have already been resolved.
2210 */
2211void propagate_processes(struct proxy *from, struct proxy *to)
2212{
2213 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002214
2215 if (to) {
2216 /* check whether we need to go down */
2217 if (from->bind_proc &&
2218 (from->bind_proc & to->bind_proc) == from->bind_proc)
2219 return;
2220
2221 if (!from->bind_proc && !to->bind_proc)
2222 return;
2223
2224 to->bind_proc = from->bind_proc ?
2225 (to->bind_proc | from->bind_proc) : 0;
2226
2227 /* now propagate down */
2228 from = to;
2229 }
2230
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002231 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002232 return;
2233
Willy Tarreauf6b70012014-12-18 14:00:43 +01002234 if (from->state == PR_STSTOPPED)
2235 return;
2236
Willy Tarreau64ab6072014-09-16 12:17:36 +02002237 /* default_backend */
2238 if (from->defbe.be)
2239 propagate_processes(from, from->defbe.be);
2240
2241 /* use_backend */
2242 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002243 if (rule->dynamic)
2244 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002245 to = rule->be.backend;
2246 propagate_processes(from, to);
2247 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002248}
2249
Willy Tarreaubb925012009-07-23 13:36:36 +02002250/*
2251 * Returns the error code, 0 if OK, or any combination of :
2252 * - ERR_ABORT: must abort ASAP
2253 * - ERR_FATAL: we can continue parsing but not start the service
2254 * - ERR_WARN: a warning has been emitted
2255 * - ERR_ALERT: an alert has been emitted
2256 * Only the two first ones can stop processing, the two others are just
2257 * indicators.
2258 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002259int check_config_validity()
2260{
2261 int cfgerr = 0;
2262 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002263 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002264 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002265 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002266 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002267 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002268 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002269 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002270 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002271
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002272 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002273 /*
2274 * Now, check for the integrity of all that we have collected.
2275 */
2276
2277 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002278 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002279
Willy Tarreau193b8c62012-11-22 00:17:38 +01002280 if (!global.tune.max_http_hdr)
2281 global.tune.max_http_hdr = MAX_HTTP_HDR;
2282
2283 if (!global.tune.cookie_len)
2284 global.tune.cookie_len = CAPTURE_LEN;
2285
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002286 if (!global.tune.requri_len)
2287 global.tune.requri_len = REQURI_LEN;
2288
Willy Tarreau149ab772019-01-26 14:27:06 +01002289 if (!global.nbthread) {
2290 /* nbthread not set, thus automatic. In this case, and only if
2291 * running on a single process, we enable the same number of
2292 * threads as the number of CPUs the process is bound to. This
2293 * allows to easily control the number of threads using taskset.
2294 */
2295 global.nbthread = 1;
2296#if defined(USE_THREAD)
2297 if (global.nbproc == 1)
2298 global.nbthread = thread_cpus_enabled_at_boot;
2299 all_threads_mask = nbits(global.nbthread);
2300#endif
2301 }
2302
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002303 if (global.nbproc > 1 && global.nbthread > 1) {
2304 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2305 err_code |= ERR_ALERT | ERR_FATAL;
2306 goto out;
2307 }
2308
Willy Tarreaubafbe012017-11-24 17:34:44 +01002309 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002310
Willy Tarreaubafbe012017-11-24 17:34:44 +01002311 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002312
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002313 /* Post initialisation of the users and groups lists. */
2314 err_code = userlist_postinit();
2315 if (err_code != ERR_NONE)
2316 goto out;
2317
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002318 /* first, we will invert the proxy list order */
2319 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002320 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002321 struct proxy *next;
2322
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002323 next = proxies_list->next;
2324 proxies_list->next = curproxy;
2325 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002326 if (!next)
2327 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002328 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002329 }
2330
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002331 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002332 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002333 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002334 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002335 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002336 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002337 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002338 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002339
Willy Tarreau050536d2012-10-04 08:47:34 +02002340 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002341 /* proxy ID not set, use automatic numbering with first
2342 * spare entry starting with next_pxid.
2343 */
2344 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2345 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2346 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002347 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002348 next_pxid++;
2349
Willy Tarreau55ea7572007-06-17 19:56:27 +02002350
Willy Tarreaubaaee002006-06-26 02:48:02 +02002351 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002352 /* ensure we don't keep listeners uselessly bound */
2353 stop_proxy(curproxy);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002354 if (curproxy->table) {
2355 free((void *)curproxy->table->peers.name);
2356 curproxy->table->peers.p = NULL;
2357 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002358 continue;
2359 }
2360
Willy Tarreau102df612014-05-07 23:56:38 +02002361 /* Check multi-process mode compatibility for the current proxy */
2362
2363 if (curproxy->bind_proc) {
2364 /* an explicit bind-process was specified, let's check how many
2365 * processes remain.
2366 */
David Carliere6c39412015-07-02 07:00:17 +00002367 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002368
Willy Tarreaua38a7172019-02-02 17:11:28 +01002369 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002370 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002371 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 +02002372 curproxy->bind_proc = 1;
2373 }
2374 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002375 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 +02002376 curproxy->bind_proc = 0;
2377 }
2378 }
2379
Willy Tarreau3d209582014-05-09 17:06:11 +02002380 /* check and reduce the bind-proc of each listener */
2381 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2382 unsigned long mask;
2383
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002384 /* HTTP frontends with "h2" as ALPN/NPN will work in
2385 * HTTP/2 and absolutely require buffers 16kB or larger.
2386 */
2387#ifdef USE_OPENSSL
2388 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2389#ifdef OPENSSL_NPN_NEGOTIATED
2390 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002391 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002392 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",
2393 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002394 cfgerr++;
2395 }
2396#endif
2397#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2398 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002399 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002400 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",
2401 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002402 cfgerr++;
2403 }
2404#endif
2405 } /* HTTP && bufsize < 16384 */
2406#endif
2407
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002408 /* detect and address thread affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002409 mask = thread_mask(bind_conf->bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002410 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002411 unsigned long new_mask = 0;
2412
2413 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002414 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002415 mask >>= global.nbthread;
2416 }
2417
Willy Tarreaua36b3242019-02-02 13:14:34 +01002418 bind_conf->bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002419 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",
2420 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2421 }
2422
2423 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002424 mask = proc_mask(bind_conf->bind_proc) & proc_mask(curproxy->bind_proc);
2425 if (!(mask & all_proc_mask)) {
2426 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
2427 nbproc = my_popcountl(bind_conf->bind_proc);
2428 bind_conf->bind_proc = proc_mask(bind_conf->bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002429
Willy Tarreaua36b3242019-02-02 13:14:34 +01002430 if (!bind_conf->bind_proc && nbproc == 1) {
2431 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",
2432 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2433 bind_conf->bind_proc = mask & ~(mask - 1);
2434 }
2435 else if (!bind_conf->bind_proc && nbproc > 1) {
2436 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",
2437 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2438 bind_conf->bind_proc = 0;
2439 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002440 }
2441 }
2442
Willy Tarreauff01a212009-03-15 13:46:16 +01002443 switch (curproxy->mode) {
2444 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002445 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002446 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002447 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2448 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002449 cfgerr++;
2450 }
2451
2452 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002453 ha_warning("config : servers will be ignored for %s '%s'.\n",
2454 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002455 break;
2456
2457 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002458 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002459 break;
2460
2461 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002462 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002463 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002464
2465 case PR_MODE_CLI:
2466 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2467 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002468 }
2469
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002470 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002471 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2472 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002473 err_code |= ERR_WARN;
2474 }
2475
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002476 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002477 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002478 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002479 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2480 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002481 cfgerr++;
2482 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002483#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002484 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002485 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2486 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002487 cfgerr++;
2488 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002489#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002490 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002491 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2492 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002493 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002494 }
2495 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002496 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002497 /* If no LB algo is set in a backend, and we're not in
2498 * transparent mode, dispatch mode nor proxy mode, we
2499 * want to use balance roundrobin by default.
2500 */
2501 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2502 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002503 }
2504 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002505
Willy Tarreau1620ec32011-08-06 17:05:02 +02002506 if (curproxy->options & PR_O_DISPATCH)
2507 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2508 else if (curproxy->options & PR_O_HTTP_PROXY)
2509 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2510 else if (curproxy->options & PR_O_TRANSP)
2511 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002512
Willy Tarreau1620ec32011-08-06 17:05:02 +02002513 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2514 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002515 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2516 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002517 err_code |= ERR_WARN;
2518 curproxy->options &= ~PR_O_DISABLE404;
2519 }
2520 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002521 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2522 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002523 err_code |= ERR_WARN;
2524 curproxy->options &= ~PR_O2_CHK_SNDST;
2525 }
Willy Tarreauef781042010-01-27 11:53:01 +01002526 }
2527
Simon Horman98637e52014-06-20 12:30:16 +09002528 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2529 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002530 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2531 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002532 cfgerr++;
2533 }
2534 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002535 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2536 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002537 cfgerr++;
2538 }
2539 }
2540
Olivier Houcharda254a372019-04-05 15:30:12 +02002541 if ((curproxy->retry_type &~ PR_RE_CONN_FAILED) &&
2542 !(curproxy->options2 & PR_O2_USE_HTX)) {
2543 ha_warning("Proxy '%s' : retry-on with any other keywords than 'conn-failure' will be ignored, requires 'option http-use-htx'.\n", curproxy->id);
2544 err_code |= ERR_WARN;
2545 curproxy->retry_type &= PR_RE_CONN_FAILED;
2546 }
Simon Horman64e34162015-02-06 11:11:57 +09002547 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002548 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002549 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2550 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2551 "'email-alert myhostname', or 'email-alert to' "
2552 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2553 "to be present).\n",
2554 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002555 err_code |= ERR_WARN;
2556 free_email_alert(curproxy);
2557 }
2558 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002559 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002560 }
2561
Simon Horman98637e52014-06-20 12:30:16 +09002562 if (curproxy->check_command) {
2563 int clear = 0;
2564 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002565 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2566 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002567 err_code |= ERR_WARN;
2568 clear = 1;
2569 }
2570 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002571 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2572 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002573 cfgerr++;
2574 }
2575 if (clear) {
2576 free(curproxy->check_command);
2577 curproxy->check_command = NULL;
2578 }
2579 }
2580
2581 if (curproxy->check_path) {
2582 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002583 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2584 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002585 err_code |= ERR_WARN;
2586 free(curproxy->check_path);
2587 curproxy->check_path = NULL;
2588 }
2589 }
2590
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002591 /* if a default backend was specified, let's find it */
2592 if (curproxy->defbe.name) {
2593 struct proxy *target;
2594
Willy Tarreauafb39922015-05-26 12:04:09 +02002595 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002596 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002597 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2598 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002599 cfgerr++;
2600 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002601 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2602 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002603 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002604 } else if (target->mode != curproxy->mode &&
2605 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2606
Christopher Faulet767a84b2017-11-24 16:50:31 +01002607 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2608 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2609 curproxy->conf.file, curproxy->conf.line,
2610 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2611 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002612 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002613 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2614 ha_alert("%s %s '%s' (%s:%d) tries to use %s %s '%s' (%s:%d) as its default backend, both of which disagree on 'option http-use-htx'.\n",
2615 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2616 curproxy->conf.file, curproxy->conf.line,
2617 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2618 target->conf.file, target->conf.line);
2619 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002620 } else {
2621 free(curproxy->defbe.name);
2622 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002623 /* Emit a warning if this proxy also has some servers */
2624 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002625 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2626 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002627 err_code |= ERR_WARN;
2628 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002629 }
2630 }
2631
Willy Tarreau55ea7572007-06-17 19:56:27 +02002632 /* find the target proxy for 'use_backend' rules */
2633 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002634 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002635 struct logformat_node *node;
2636 char *pxname;
2637
2638 /* Try to parse the string as a log format expression. If the result
2639 * of the parsing is only one entry containing a simple string, then
2640 * it's a standard string corresponding to a static rule, thus the
2641 * parsing is cancelled and be.name is restored to be resolved.
2642 */
2643 pxname = rule->be.name;
2644 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002645 curproxy->conf.args.ctx = ARGC_UBK;
2646 curproxy->conf.args.file = rule->file;
2647 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002648 err = NULL;
2649 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002650 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2651 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002652 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002653 cfgerr++;
2654 continue;
2655 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002656 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2657
2658 if (!LIST_ISEMPTY(&rule->be.expr)) {
2659 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2660 rule->dynamic = 1;
2661 free(pxname);
2662 continue;
2663 }
2664 /* simple string: free the expression and fall back to static rule */
2665 free(node->arg);
2666 free(node);
2667 }
2668
2669 rule->dynamic = 0;
2670 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002671
Willy Tarreauafb39922015-05-26 12:04:09 +02002672 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002673 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002674 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2675 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002676 cfgerr++;
2677 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002678 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2679 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002680 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002681 } else if (target->mode != curproxy->mode &&
2682 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2683
Christopher Faulet767a84b2017-11-24 16:50:31 +01002684 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2685 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2686 curproxy->conf.file, curproxy->conf.line,
2687 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2688 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002689 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002690 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2691 ha_alert("%s %s '%s' (%s:%d) tries to use %s %s '%s' (%s:%d) in a 'use_backend' rule, both of which disagree on 'option http-use-htx'.\n",
2692 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2693 curproxy->conf.file, curproxy->conf.line,
2694 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2695 target->conf.file, target->conf.line);
2696 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002697 } else {
2698 free((void *)rule->be.name);
2699 rule->be.backend = target;
2700 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002701 }
2702
Willy Tarreau64ab6072014-09-16 12:17:36 +02002703 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002704 list_for_each_entry(srule, &curproxy->server_rules, list) {
2705 struct server *target = findserver(curproxy, srule->srv.name);
2706
2707 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002708 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2709 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002710 cfgerr++;
2711 continue;
2712 }
2713 free((void *)srule->srv.name);
2714 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002715 }
2716
Emeric Brunb982a3d2010-01-04 15:45:53 +01002717 /* find the target table for 'stick' rules */
2718 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002719 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002720
Emeric Brun1d33b292010-01-04 15:47:17 +01002721 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2722 if (mrule->flags & STK_IS_STORE)
2723 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2724
Emeric Brunb982a3d2010-01-04 15:45:53 +01002725 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002726 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002727 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002728 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002729
2730 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002731 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreauecb5b892020-01-24 07:19:34 +01002732 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002733 cfgerr++;
2734 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002735 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002736 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2737 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002738 cfgerr++;
2739 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002740 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002741 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2742 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002743 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002744 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002745 else {
2746 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002747 mrule->table.t = target;
2748 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002749 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaillef596b4f2019-09-02 14:02:28 +02002750 if (!in_proxies_list(target->proxies_list, curproxy)) {
2751 curproxy->next_stkt_ref = target->proxies_list;
2752 target->proxies_list = curproxy;
2753 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002754 }
2755 }
2756
2757 /* find the target table for 'store response' rules */
2758 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002759 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002760
Emeric Brun1d33b292010-01-04 15:47:17 +01002761 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2762
Emeric Brunb982a3d2010-01-04 15:45:53 +01002763 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002764 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002765 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002766 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002767
2768 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002769 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreauecb5b892020-01-24 07:19:34 +01002770 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002771 cfgerr++;
2772 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002773 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002774 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2775 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002776 cfgerr++;
2777 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002778 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002779 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2780 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002781 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002782 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002783 else {
2784 free((void *)mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002785 mrule->table.t = target;
2786 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Frédéric Lécailledb52d902019-05-17 10:12:52 +02002787 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
Frédéric Lécaillef596b4f2019-09-02 14:02:28 +02002788 if (!in_proxies_list(target->proxies_list, curproxy)) {
2789 curproxy->next_stkt_ref = target->proxies_list;
2790 target->proxies_list = curproxy;
2791 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002792 }
2793 }
2794
Christopher Faulete4e830d2017-09-18 14:51:41 +02002795 /* check validity for 'tcp-request' layer 4 rules */
2796 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2797 err = NULL;
2798 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002799 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002800 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002801 cfgerr++;
2802 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002803 }
2804
Christopher Faulete4e830d2017-09-18 14:51:41 +02002805 /* check validity for 'tcp-request' layer 5 rules */
2806 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2807 err = NULL;
2808 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002809 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002810 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002811 cfgerr++;
2812 }
2813 }
2814
Christopher Faulete4e830d2017-09-18 14:51:41 +02002815 /* check validity for 'tcp-request' layer 6 rules */
2816 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2817 err = NULL;
2818 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002819 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002820 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002821 cfgerr++;
2822 }
2823 }
2824
Christopher Faulete4e830d2017-09-18 14:51:41 +02002825 /* check validity for 'http-request' layer 7 rules */
2826 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2827 err = NULL;
2828 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002829 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002830 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002831 cfgerr++;
2832 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002833 }
2834
Christopher Faulete4e830d2017-09-18 14:51:41 +02002835 /* check validity for 'http-response' layer 7 rules */
2836 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2837 err = NULL;
2838 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002839 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002840 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002841 cfgerr++;
2842 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002843 }
2844
Willy Tarreaub3dc39d2014-04-28 22:06:57 +02002845 /* move any "block" rules at the beginning of the http-request rules */
2846 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
2847 /* insert block_rules into http_req_rules at the beginning */
2848 curproxy->block_rules.p->n = curproxy->http_req_rules.n;
2849 curproxy->http_req_rules.n->p = curproxy->block_rules.p;
2850 curproxy->block_rules.n->p = &curproxy->http_req_rules;
2851 curproxy->http_req_rules.n = curproxy->block_rules.n;
2852 LIST_INIT(&curproxy->block_rules);
2853 }
2854
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002855 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002856 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002857
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002858 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002859 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
2860 free((void *)curproxy->table->peers.name);
2861 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002862 break;
2863 }
2864 }
2865
2866 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002867 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002868 curproxy->id, curproxy->table->peers.name);
2869 free((void *)curproxy->table->peers.name);
2870 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002871 cfgerr++;
2872 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002873 else if (curpeers->state == PR_STSTOPPED) {
2874 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002875 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002876 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002877 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002878 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2879 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002880 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002881 cfgerr++;
2882 }
2883 }
2884
Simon Horman9dc49962015-01-30 11:22:59 +09002885
2886 if (curproxy->email_alert.mailers.name) {
2887 struct mailers *curmailers = mailers;
2888
2889 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002890 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002891 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002892 }
Simon Horman9dc49962015-01-30 11:22:59 +09002893 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002894 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2895 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002896 free_email_alert(curproxy);
2897 cfgerr++;
2898 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002899 else {
2900 err = NULL;
2901 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002902 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002903 free(err);
2904 cfgerr++;
2905 }
2906 }
Simon Horman9dc49962015-01-30 11:22:59 +09002907 }
2908
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002909 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & ST_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002910 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002911 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002912 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2913 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002914 cfgerr++;
2915 goto out_uri_auth_compat;
2916 }
2917
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002918 if (curproxy->uri_auth && curproxy->uri_auth->userlist && !(curproxy->uri_auth->flags & ST_CONVDONE)) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002919 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002920 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002921 int i = 0;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002922
Willy Tarreau95fa4692010-02-01 13:05:50 +01002923 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2924 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002925
2926 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002927 uri_auth_compat_req[i++] = "realm";
2928 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2929 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002930
Willy Tarreau95fa4692010-02-01 13:05:50 +01002931 uri_auth_compat_req[i++] = "unless";
2932 uri_auth_compat_req[i++] = "{";
2933 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2934 uri_auth_compat_req[i++] = "}";
2935 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002936
Willy Tarreauff011f22011-01-06 17:51:27 +01002937 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2938 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002939 cfgerr++;
2940 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002941 }
2942
Willy Tarreauff011f22011-01-06 17:51:27 +01002943 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002944
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002945 if (curproxy->uri_auth->auth_realm) {
2946 free(curproxy->uri_auth->auth_realm);
2947 curproxy->uri_auth->auth_realm = NULL;
2948 }
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002949
2950 curproxy->uri_auth->flags |= ST_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002951 }
2952out_uri_auth_compat:
2953
Dragan Dosen43885c72015-10-01 13:18:13 +02002954 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002955 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002956 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2957 if (!curproxy->conf.logformat_sd_string) {
2958 /* set the default logformat_sd_string */
2959 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2960 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002961 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002962 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002963 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002964
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002965 /* compile the log format */
2966 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002967 if (curproxy->conf.logformat_string != default_http_log_format &&
2968 curproxy->conf.logformat_string != default_tcp_log_format &&
2969 curproxy->conf.logformat_string != clf_http_log_format)
2970 free(curproxy->conf.logformat_string);
2971 curproxy->conf.logformat_string = NULL;
2972 free(curproxy->conf.lfs_file);
2973 curproxy->conf.lfs_file = NULL;
2974 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002975
2976 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2977 free(curproxy->conf.logformat_sd_string);
2978 curproxy->conf.logformat_sd_string = NULL;
2979 free(curproxy->conf.lfsd_file);
2980 curproxy->conf.lfsd_file = NULL;
2981 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002982 }
2983
Willy Tarreau62a61232013-04-12 18:13:46 +02002984 if (curproxy->conf.logformat_string) {
2985 curproxy->conf.args.ctx = ARGC_LOG;
2986 curproxy->conf.args.file = curproxy->conf.lfs_file;
2987 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002988 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002989 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002990 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002991 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2992 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002993 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002994 cfgerr++;
2995 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002996 curproxy->conf.args.file = NULL;
2997 curproxy->conf.args.line = 0;
2998 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002999
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003000 if (curproxy->conf.logformat_sd_string) {
3001 curproxy->conf.args.ctx = ARGC_LOGSD;
3002 curproxy->conf.args.file = curproxy->conf.lfsd_file;
3003 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003004 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003005 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 +01003006 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003007 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3008 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003009 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003010 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003011 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003012 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3013 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003014 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003015 cfgerr++;
3016 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003017 curproxy->conf.args.file = NULL;
3018 curproxy->conf.args.line = 0;
3019 }
3020
Willy Tarreau62a61232013-04-12 18:13:46 +02003021 if (curproxy->conf.uniqueid_format_string) {
3022 curproxy->conf.args.ctx = ARGC_UIF;
3023 curproxy->conf.args.file = curproxy->conf.uif_file;
3024 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003025 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003026 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 +01003027 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003028 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
3029 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003030 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003031 cfgerr++;
3032 }
Willy Tarreau62a61232013-04-12 18:13:46 +02003033 curproxy->conf.args.file = NULL;
3034 curproxy->conf.args.line = 0;
3035 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003036
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01003037 /* only now we can check if some args remain unresolved.
3038 * This must be done after the users and groups resolution.
3039 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003040 cfgerr += smp_resolve_args(curproxy);
3041 if (!cfgerr)
3042 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01003043
Willy Tarreau2738a142006-07-08 17:28:09 +02003044 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003045 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02003046 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02003047 (!curproxy->timeout.connect ||
3048 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003049 ha_warning("config : missing timeouts for %s '%s'.\n"
3050 " | While not properly invalid, you will certainly encounter various problems\n"
3051 " | with such a configuration. To fix this, please ensure that all following\n"
3052 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
3053 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003054 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02003055 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02003056
Willy Tarreau1fa31262007-12-03 00:36:16 +01003057 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
3058 * We must still support older configurations, so let's find out whether those
3059 * parameters have been set or must be copied from contimeouts.
3060 */
3061 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003062 if (!curproxy->timeout.tarpit ||
3063 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003064 /* tarpit timeout not set. We search in the following order:
3065 * default.tarpit, curr.connect, default.connect.
3066 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003067 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003068 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003069 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003070 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003071 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003072 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003073 }
3074 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003075 (!curproxy->timeout.queue ||
3076 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01003077 /* queue timeout not set. We search in the following order:
3078 * default.queue, curr.connect, default.connect.
3079 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003080 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003081 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003082 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003083 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003084 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003085 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003086 }
3087 }
3088
Willy Tarreau1620ec32011-08-06 17:05:02 +02003089 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_SSL3_CHK) {
Willy Tarreau137325d2010-02-01 16:38:17 +01003090 curproxy->check_len = sizeof(sslv3_client_hello_pkt) - 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02003091 curproxy->check_req = malloc(curproxy->check_len);
Willy Tarreau137325d2010-02-01 16:38:17 +01003092 memcpy(curproxy->check_req, sslv3_client_hello_pkt, curproxy->check_len);
Willy Tarreauf3c69202006-07-09 16:42:34 +02003093 }
3094
Willy Tarreau215663d2014-06-13 18:30:23 +02003095 if (!LIST_ISEMPTY(&curproxy->tcpcheck_rules) &&
3096 (curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_TCPCHK_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003097 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3098 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003099 err_code |= ERR_WARN;
3100 }
3101
Willy Tarreau193b8c62012-11-22 00:17:38 +01003102 /* ensure that cookie capture length is not too large */
3103 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003104 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3105 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003106 err_code |= ERR_WARN;
3107 curproxy->capture_len = global.tune.cookie_len - 1;
3108 }
3109
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003110 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003111 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003112 curproxy->req_cap_pool = create_pool("ptrcap",
3113 curproxy->nb_req_cap * sizeof(char *),
3114 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003115 }
3116
3117 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003118 curproxy->rsp_cap_pool = create_pool("ptrcap",
3119 curproxy->nb_rsp_cap * sizeof(char *),
3120 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003121 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003122
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003123 switch (curproxy->load_server_state_from_file) {
3124 case PR_SRV_STATE_FILE_UNSPEC:
3125 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3126 break;
3127 case PR_SRV_STATE_FILE_GLOBAL:
3128 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003129 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",
3130 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003131 err_code |= ERR_WARN;
3132 }
3133 break;
3134 }
3135
Willy Tarreaubaaee002006-06-26 02:48:02 +02003136 /* first, we will invert the servers list order */
3137 newsrv = NULL;
3138 while (curproxy->srv) {
3139 struct server *next;
3140
3141 next = curproxy->srv->next;
3142 curproxy->srv->next = newsrv;
3143 newsrv = curproxy->srv;
3144 if (!next)
3145 break;
3146 curproxy->srv = next;
3147 }
3148
Willy Tarreau17edc812014-01-03 12:14:34 +01003149 /* Check that no server name conflicts. This causes trouble in the stats.
3150 * We only emit a warning for the first conflict affecting each server,
3151 * in order to avoid combinatory explosion if all servers have the same
3152 * name. We do that only for servers which do not have an explicit ID,
3153 * because these IDs were made also for distinguishing them and we don't
3154 * want to annoy people who correctly manage them.
3155 */
3156 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3157 struct server *other_srv;
3158
3159 if (newsrv->puid)
3160 continue;
3161
3162 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3163 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02003164 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 +01003165 newsrv->conf.file, newsrv->conf.line,
3166 proxy_type_str(curproxy), curproxy->id,
3167 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02003168 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01003169 break;
3170 }
3171 }
3172 }
3173
Willy Tarreaudd701652010-05-25 23:03:02 +02003174 /* assign automatic UIDs to servers which don't have one yet */
3175 next_id = 1;
3176 newsrv = curproxy->srv;
3177 while (newsrv != NULL) {
3178 if (!newsrv->puid) {
3179 /* server ID not set, use automatic numbering with first
3180 * spare entry starting with next_svid.
3181 */
3182 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3183 newsrv->conf.id.key = newsrv->puid = next_id;
3184 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02003185 newsrv->conf.name.key = newsrv->id;
3186 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02003187 }
3188 next_id++;
3189 newsrv = newsrv->next;
3190 }
3191
Willy Tarreau20697042007-11-15 23:26:18 +01003192 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003193 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003194
Willy Tarreau62c3be22012-01-20 13:12:32 +01003195 /*
3196 * If this server supports a maxconn parameter, it needs a dedicated
3197 * tasks to fill the emptied slots when a connection leaves.
3198 * Also, resolve deferred tracking dependency if needed.
3199 */
3200 newsrv = curproxy->srv;
3201 while (newsrv != NULL) {
3202 if (newsrv->minconn > newsrv->maxconn) {
3203 /* Only 'minconn' was specified, or it was higher than or equal
3204 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3205 * this will avoid further useless expensive computations.
3206 */
3207 newsrv->maxconn = newsrv->minconn;
3208 } else if (newsrv->maxconn && !newsrv->minconn) {
3209 /* minconn was not specified, so we set it to maxconn */
3210 newsrv->minconn = newsrv->maxconn;
3211 }
3212
Willy Tarreau17d45382016-12-22 21:16:08 +01003213 /* this will also properly set the transport layer for prod and checks */
3214 if (newsrv->use_ssl || newsrv->check.use_ssl) {
3215 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3216 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3217 }
Emeric Brun94324a42012-10-11 14:00:19 +02003218
Willy Tarreau034c88c2017-01-23 23:36:45 +01003219 if ((newsrv->flags & SRV_F_FASTOPEN) &&
3220 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
3221 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
3222 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",
3223 newsrv->conf.file, newsrv->conf.line,
3224 proxy_type_str(curproxy), curproxy->id,
3225 newsrv->id);
3226
Willy Tarreau2f075e92013-12-03 11:11:34 +01003227 /* set the check type on the server */
3228 newsrv->check.type = curproxy->options2 & PR_O2_CHK_ANY;
3229
Willy Tarreau62c3be22012-01-20 13:12:32 +01003230 if (newsrv->trackit) {
3231 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003232 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003233 char *pname, *sname;
3234
3235 pname = newsrv->trackit;
3236 sname = strrchr(pname, '/');
3237
3238 if (sname)
3239 *sname++ = '\0';
3240 else {
3241 sname = pname;
3242 pname = NULL;
3243 }
3244
3245 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003246 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003247 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003248 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3249 proxy_type_str(curproxy), curproxy->id,
3250 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003251 cfgerr++;
3252 goto next_srv;
3253 }
3254 } else
3255 px = curproxy;
3256
3257 srv = findserver(px, sname);
3258 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003259 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3260 proxy_type_str(curproxy), curproxy->id,
3261 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003262 cfgerr++;
3263 goto next_srv;
3264 }
3265
Willy Tarreau32091232014-05-16 13:52:00 +02003266 if (!(srv->check.state & CHK_ST_CONFIGURED) &&
3267 !(srv->agent.state & CHK_ST_CONFIGURED) &&
3268 !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003269 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3270 "tracking as it does not have any check nor agent enabled.\n",
3271 proxy_type_str(curproxy), curproxy->id,
3272 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003273 cfgerr++;
3274 goto next_srv;
3275 }
3276
3277 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3278
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003279 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003280 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3281 "belongs to a tracking chain looping back to %s/%s.\n",
3282 proxy_type_str(curproxy), curproxy->id,
3283 newsrv->id, px->id, srv->id, px->id,
3284 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003285 cfgerr++;
3286 goto next_srv;
3287 }
3288
3289 if (curproxy != px &&
3290 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003291 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3292 "tracking: disable-on-404 option inconsistency.\n",
3293 proxy_type_str(curproxy), curproxy->id,
3294 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003295 cfgerr++;
3296 goto next_srv;
3297 }
3298
Willy Tarreau62c3be22012-01-20 13:12:32 +01003299 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003300 newsrv->tracknext = srv->trackers;
3301 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003302
3303 free(newsrv->trackit);
3304 newsrv->trackit = NULL;
3305 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003306
Willy Tarreau62c3be22012-01-20 13:12:32 +01003307 next_srv:
3308 newsrv = newsrv->next;
3309 }
3310
Olivier Houchard4e694042017-03-14 20:01:29 +01003311 /*
3312 * Try to generate dynamic cookies for servers now.
3313 * It couldn't be done earlier, since at the time we parsed
3314 * the server line, we may not have known yet that we
3315 * should use dynamic cookies, or the secret key may not
3316 * have been provided yet.
3317 */
3318 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3319 newsrv = curproxy->srv;
3320 while (newsrv != NULL) {
3321 srv_set_dyncookie(newsrv);
3322 newsrv = newsrv->next;
3323 }
3324
3325 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003326 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003327 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003328 */
3329
3330 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3331 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3332 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003333 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3334 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3335 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003336 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3337 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3338 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003339 } else {
3340 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3341 fwrr_init_server_groups(curproxy);
3342 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003343 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003344
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003345 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003346 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3347 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3348 fwlc_init_server_tree(curproxy);
3349 } else {
3350 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3351 fas_init_server_tree(curproxy);
3352 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003353 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003354
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003355 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003356 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3357 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3358 chash_init_server_tree(curproxy);
3359 } else {
3360 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3361 init_server_map(curproxy);
3362 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003363 break;
3364 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003365 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003366
3367 if (curproxy->options & PR_O_LOGASAP)
3368 curproxy->to_log &= ~LW_BYTES;
3369
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003370 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003371 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3372 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003373 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3374 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003375 err_code |= ERR_WARN;
3376 }
3377
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003378 if (curproxy->mode != PR_MODE_HTTP) {
3379 int optnum;
3380
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003381 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003382 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3383 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003384 err_code |= ERR_WARN;
3385 curproxy->uri_auth = NULL;
3386 }
3387
Willy Tarreaude7dc882017-03-10 11:49:21 +01003388 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003389 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3390 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003391 err_code |= ERR_WARN;
3392 }
3393
3394 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003395 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3396 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003397 err_code |= ERR_WARN;
3398 }
3399
3400 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003401 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3402 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003403 err_code |= ERR_WARN;
3404 }
3405
3406 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003407 ha_warning("config : 'block' rules ignored for %s '%s' as they require HTTP mode.\n",
3408 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003409 err_code |= ERR_WARN;
3410 }
3411
3412 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003413 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3414 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003415 err_code |= ERR_WARN;
3416 }
3417
Willy Tarreau87cf5142011-08-19 22:57:24 +02003418 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003419 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3420 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003421 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003422 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003423 }
3424
3425 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003426 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3427 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003428 err_code |= ERR_WARN;
3429 curproxy->options &= ~PR_O_ORGTO;
3430 }
3431
3432 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3433 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3434 (curproxy->cap & cfg_opts[optnum].cap) &&
3435 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003436 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3437 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003438 err_code |= ERR_WARN;
3439 curproxy->options &= ~cfg_opts[optnum].val;
3440 }
3441 }
3442
3443 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3444 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3445 (curproxy->cap & cfg_opts2[optnum].cap) &&
3446 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003447 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3448 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003449 err_code |= ERR_WARN;
3450 curproxy->options2 &= ~cfg_opts2[optnum].val;
3451 }
3452 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003453
Willy Tarreau29fbe512015-08-20 19:35:14 +02003454#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003455 if (curproxy->conn_src.bind_hdr_occ) {
3456 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003457 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3458 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003459 err_code |= ERR_WARN;
3460 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003461#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003462 }
3463
Willy Tarreaubaaee002006-06-26 02:48:02 +02003464 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003465 * ensure that we're not cross-dressing a TCP server into HTTP.
3466 */
3467 newsrv = curproxy->srv;
3468 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003469 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003470 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3471 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003472 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003473 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003474
Willy Tarreau0cec3312011-10-31 13:49:26 +01003475 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003476 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3477 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003478 err_code |= ERR_WARN;
3479 }
3480
Willy Tarreauc93cd162014-05-13 15:54:22 +02003481 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003482 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3483 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003484 err_code |= ERR_WARN;
3485 }
3486
Willy Tarreau29fbe512015-08-20 19:35:14 +02003487#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003488 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3489 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003490 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3491 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003492 err_code |= ERR_WARN;
3493 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003494#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003495
Willy Tarreau46deab62018-04-28 07:18:15 +02003496 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3497 curproxy->options &= ~PR_O_REUSE_MASK;
3498
Willy Tarreau21d2af32008-02-14 20:25:24 +01003499 newsrv = newsrv->next;
3500 }
3501
Willy Tarreaue42bd962014-09-16 16:21:19 +02003502 /* check if we have a frontend with "tcp-request content" looking at L7
3503 * with no inspect-delay
3504 */
3505 if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
Christopher Faulete4e830d2017-09-18 14:51:41 +02003506 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
3507 if (arule->action == ACT_TCP_CAPTURE &&
3508 !(arule->arg.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003509 break;
Christopher Faulete4e830d2017-09-18 14:51:41 +02003510 if ((arule->action >= ACT_ACTION_TRK_SC0 && arule->action <= ACT_ACTION_TRK_SCMAX) &&
3511 !(arule->arg.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003512 break;
3513 }
3514
Christopher Faulete4e830d2017-09-18 14:51:41 +02003515 if (&arule->list != &curproxy->tcp_req.inspect_rules) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003516 ha_warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
3517 " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
3518 " This means that these rules will randomly find their contents. This can be fixed by"
3519 " setting the tcp-request inspect-delay.\n",
3520 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue42bd962014-09-16 16:21:19 +02003521 err_code |= ERR_WARN;
3522 }
3523 }
3524
Christopher Fauletd7c91962015-04-30 11:48:27 +02003525 /* Check filter configuration, if any */
3526 cfgerr += flt_check(curproxy);
3527
Willy Tarreauc1a21672009-08-16 22:37:44 +02003528 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003529 if (!curproxy->accept)
3530 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003531
Willy Tarreauc1a21672009-08-16 22:37:44 +02003532 if (curproxy->tcp_req.inspect_delay ||
3533 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003534 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003535
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003536 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003537 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003538 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003539 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003540
William Lallemandcf62f7e2018-10-26 14:47:40 +02003541 if (curproxy->mode == PR_MODE_CLI) {
3542 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3543 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3544 }
3545
Willy Tarreauc1a21672009-08-16 22:37:44 +02003546 /* both TCP and HTTP must check switching rules */
3547 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003548
3549 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003550 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003551 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3552 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 +01003553 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003554 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3555 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003556 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003557 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003558 }
3559
3560 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003561 if (curproxy->tcp_req.inspect_delay ||
3562 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3563 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3564
Emeric Brun97679e72010-09-23 17:56:44 +02003565 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3566 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3567
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003568 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003569 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003570 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003571 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003572
3573 /* If the backend does requires RDP cookie persistence, we have to
3574 * enable the corresponding analyser.
3575 */
3576 if (curproxy->options2 & PR_O2_RDPC_PRST)
3577 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003578
3579 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003580 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003581 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3582 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 +01003583 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003584 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3585 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003586 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003587 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003588 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003589
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003590 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003591 * attached to the current proxy */
3592 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3593 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003594 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003595
Christopher Faulet49040582019-04-24 15:25:00 +02003596 /* Special case for HTX because legacy HTTP still exists */
3597 if (mode == PROTO_MODE_HTTP && (curproxy->options2 & PR_O2_USE_HTX))
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003598 mode = PROTO_MODE_HTX;
3599
Christopher Fauleta717b992018-04-10 14:43:00 +02003600 if (!bind_conf->mux_proto)
3601 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003602
3603 /* it is possible that an incorrect mux was referenced
3604 * due to the proxy's mode not being taken into account
3605 * on first pass. Let's adjust it now.
3606 */
3607 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3608
3609 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003610 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3611 proxy_type_str(curproxy), curproxy->id,
3612 (int)bind_conf->mux_proto->token.len,
3613 bind_conf->mux_proto->token.ptr,
3614 bind_conf->arg, bind_conf->file, bind_conf->line);
3615 cfgerr++;
3616 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003617
3618 /* update the mux */
3619 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003620 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003621 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3622 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003623 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003624
Christopher Faulet49040582019-04-24 15:25:00 +02003625 /* Special case for HTX because legacy HTTP still exists */
3626 if (mode == PROTO_MODE_HTTP && (curproxy->options2 & PR_O2_USE_HTX))
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003627 mode = PROTO_MODE_HTX;
3628
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003629 if (!newsrv->mux_proto)
3630 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003631
3632 /* it is possible that an incorrect mux was referenced
3633 * due to the proxy's mode not being taken into account
3634 * on first pass. Let's adjust it now.
3635 */
3636 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3637
3638 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003639 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3640 proxy_type_str(curproxy), curproxy->id,
3641 (int)newsrv->mux_proto->token.len,
3642 newsrv->mux_proto->token.ptr,
3643 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3644 cfgerr++;
3645 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003646
3647 /* update the mux */
3648 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003649 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003650
Christopher Faulet6c9bbb22019-03-26 21:37:23 +01003651 /* the option "http-tunnel" is ignored when HTX is enabled and
3652 * only works with the legacy HTTP. So emit a warning if the
3653 * option is set on a HTX frontend. */
3654 if ((curproxy->cap & PR_CAP_FE) && curproxy->options2 & PR_O2_USE_HTX &&
3655 (curproxy->options & PR_O_HTTP_MODE) == PR_O_HTTP_TUN) {
3656 ha_warning("config : %s '%s' : the option 'http-tunnel' is ignored for HTX proxies.\n",
3657 proxy_type_str(curproxy), curproxy->id);
3658 curproxy->options &= ~PR_O_HTTP_MODE;
3659 }
3660
Willy Tarreau835daa12019-02-07 14:46:29 +01003661 /* initialize idle conns lists */
3662 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3663 int i;
3664
3665 newsrv->priv_conns = calloc(global.nbthread, sizeof(*newsrv->priv_conns));
3666 newsrv->idle_conns = calloc(global.nbthread, sizeof(*newsrv->idle_conns));
3667 newsrv->safe_conns = calloc(global.nbthread, sizeof(*newsrv->safe_conns));
3668
3669 if (!newsrv->priv_conns || !newsrv->idle_conns || !newsrv->safe_conns) {
Willy Tarreau980855b2019-02-07 14:59:29 +01003670 free(newsrv->safe_conns); newsrv->safe_conns = NULL;
3671 free(newsrv->idle_conns); newsrv->idle_conns = NULL;
3672 free(newsrv->priv_conns); newsrv->priv_conns = NULL;
Willy Tarreau835daa12019-02-07 14:46:29 +01003673 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3674 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3675 cfgerr++;
3676 continue;
3677 }
3678
3679 for (i = 0; i < global.nbthread; i++) {
3680 LIST_INIT(&newsrv->priv_conns[i]);
3681 LIST_INIT(&newsrv->idle_conns[i]);
3682 LIST_INIT(&newsrv->safe_conns[i]);
3683 }
Willy Tarreau980855b2019-02-07 14:59:29 +01003684
3685 if (newsrv->max_idle_conns != 0) {
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003686 if (idle_conn_task == NULL) {
3687 idle_conn_task = task_new(MAX_THREADS_MASK);
3688 if (!idle_conn_task)
3689 goto err;
3690 idle_conn_task->process = srv_cleanup_idle_connections;
3691 idle_conn_task->context = NULL;
3692 for (i = 0; i < global.nbthread; i++) {
Willy Tarreau5fa7e732019-10-18 08:50:49 +02003693 idle_conn_cleanup[i] = task_new(1UL << i);
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003694 if (!idle_conn_cleanup[i])
3695 goto err;
3696 idle_conn_cleanup[i]->process = srv_cleanup_toremove_connections;
3697 idle_conn_cleanup[i]->context = NULL;
3698 LIST_INIT(&toremove_connections[i]);
3699 }
3700 }
Willy Tarreauae7dbbf2020-01-24 11:19:13 +01003701 newsrv->idle_orphan_conns = calloc((unsigned short)global.nbthread, sizeof(*newsrv->idle_orphan_conns));
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003702 if (!newsrv->idle_orphan_conns)
Willy Tarreau980855b2019-02-07 14:59:29 +01003703 goto err;
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003704 for (i = 0; i < global.nbthread; i++)
Willy Tarreau980855b2019-02-07 14:59:29 +01003705 LIST_INIT(&newsrv->idle_orphan_conns[i]);
Tim Duesterhusa57ea192020-02-22 16:39:05 +01003706 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
Olivier Houchardf1314812019-02-18 16:41:17 +01003707 if (!newsrv->curr_idle_thr)
3708 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003709 continue;
3710 err:
3711 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3712 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3713 cfgerr++;
3714 continue;
3715 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003716 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003717 }
3718
3719 /***********************************************************/
3720 /* At this point, target names have already been resolved. */
3721 /***********************************************************/
3722
3723 /* Check multi-process mode compatibility */
3724
3725 if (global.nbproc > 1 && global.stats_fe) {
3726 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3727 unsigned long mask;
3728
Willy Tarreau6daac192019-02-02 17:39:53 +01003729 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
3730 mask &= proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003731
3732 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003733 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003734 break;
3735 }
3736 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003737 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 +02003738 }
3739 }
3740
3741 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003742 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003743 if (curproxy->bind_proc)
3744 continue;
3745
3746 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3747 unsigned long mask;
3748
Willy Tarreau6daac192019-02-02 17:39:53 +01003749 mask = proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003750 curproxy->bind_proc |= mask;
3751 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003752 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003753 }
3754
3755 if (global.stats_fe) {
3756 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3757 unsigned long mask;
3758
Cyril Bonté06181952016-02-24 00:14:54 +01003759 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003760 global.stats_fe->bind_proc |= mask;
3761 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003762 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003763 }
3764
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003765 /* propagate bindings from frontends to backends. Don't do it if there
3766 * are any fatal errors as we must not call it with unresolved proxies.
3767 */
3768 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003769 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003770 if (curproxy->cap & PR_CAP_FE)
3771 propagate_processes(curproxy, NULL);
3772 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003773 }
3774
3775 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003776 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3777 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003778
3779 /*******************************************************/
3780 /* At this step, all proxies have a non-null bind_proc */
3781 /*******************************************************/
3782
3783 /* perform the final checks before creating tasks */
3784
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003785 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003786 struct listener *listener;
3787 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003788
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003789 /* Configure SSL for each bind line.
3790 * Note: if configuration fails at some point, the ->ctx member
3791 * remains NULL so that listeners can later detach.
3792 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003793 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003794 if (bind_conf->xprt->prepare_bind_conf &&
3795 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003796 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003797 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003798
Willy Tarreaue6b98942007-10-29 01:09:36 +01003799 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003800 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003801 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003802 int nbproc;
3803
3804 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003805 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003806 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003807
3808 if (!nbproc) /* no intersection between listener and frontend */
3809 nbproc = 1;
3810
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003811 if (!listener->luid) {
3812 /* listener ID not set, use automatic numbering with first
3813 * spare entry starting with next_luid.
3814 */
3815 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3816 listener->conf.id.key = listener->luid = next_id;
3817 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003818 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003819 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003820
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003821 /* enable separate counters */
3822 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003823 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003824 if (!listener->name)
3825 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003826 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003827
Willy Tarreaue6b98942007-10-29 01:09:36 +01003828 if (curproxy->options & PR_O_TCP_NOLING)
3829 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003830 if (!listener->maxaccept)
3831 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3832
3833 /* we want to have an optimal behaviour on single process mode to
3834 * maximize the work at once, but in multi-process we want to keep
3835 * some fairness between processes, so we target half of the max
3836 * number of events to be balanced over all the processes the proxy
3837 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3838 * used to disable the limit.
3839 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02003840 if (listener->maxaccept > 0 && nbproc > 1) {
3841 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01003842 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3843 }
3844
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003845 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003846 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003847 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003848
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003849 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003850 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003851
Willy Tarreau620408f2016-10-21 16:37:51 +02003852 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3853 listener->options |= LI_O_TCP_L5_RULES;
3854
Willy Tarreaude3041d2010-05-31 10:56:17 +02003855 if (curproxy->mon_mask.s_addr)
3856 listener->options |= LI_O_CHK_MONNET;
3857
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003858 /* smart accept mode is automatic in HTTP mode */
3859 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003860 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003861 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3862 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003863 }
3864
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003865 /* Release unused SSL configs */
3866 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003867 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3868 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003869 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003870
Willy Tarreaua38a7172019-02-02 17:11:28 +01003871 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003872 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003873 int count, maxproc = 0;
3874
3875 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003876 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003877 if (count > maxproc)
3878 maxproc = count;
3879 }
3880 /* backends have 0, frontends have 1 or more */
3881 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003882 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3883 " limited to process assigned to the current request.\n",
3884 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003885
Willy Tarreau102df612014-05-07 23:56:38 +02003886 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003887 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3888 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003889 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003890 }
Willy Tarreau102df612014-05-07 23:56:38 +02003891 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003892 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3893 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003894 }
3895 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003896
3897 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003898 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003899 if (curproxy->task) {
3900 curproxy->task->context = curproxy;
3901 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003902 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003903 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3904 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003905 cfgerr++;
3906 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003907 }
3908
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003909 /*
3910 * Recount currently required checks.
3911 */
3912
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003913 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003914 int optnum;
3915
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003916 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3917 if (curproxy->options & cfg_opts[optnum].val)
3918 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003919
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003920 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3921 if (curproxy->options2 & cfg_opts2[optnum].val)
3922 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003923 }
3924
Willy Tarreau0fca4832015-05-01 19:12:05 +02003925 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003926 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003927 if (curproxy->table && curproxy->table->peers.p)
3928 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02003929
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01003930 /* compute the required process bindings for the peers from <stktables_list>
3931 * for all the stick-tables, the ones coming with "peers" sections included.
3932 */
3933 for (t = stktables_list; t; t = t->next) {
3934 struct proxy *p;
3935
3936 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
3937 if (t->peers.p && t->peers.p->peers_fe) {
3938 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
3939 }
3940 }
3941 }
3942
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003943 if (cfg_peers) {
3944 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003945 struct peer *p, *pb;
3946
William Lallemand98235322020-03-24 16:02:48 +01003947 /* In the case the peers frontend was not initialized by a
3948 stick-table used in the configuration, set its bind_proc
3949 by default to the first process. */
3950 while (curpeers) {
William Lallemand0412f692020-03-24 16:42:15 +01003951 if (curpeers->peers_fe) {
3952 if (curpeers->peers_fe->bind_proc == 0)
3953 curpeers->peers_fe->bind_proc = 1;
3954 }
William Lallemand98235322020-03-24 16:02:48 +01003955 curpeers = curpeers->next;
3956 }
3957
3958 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02003959 /* Remove all peers sections which don't have a valid listener,
3960 * which are not used by any table, or which are bound to more
3961 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003962 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003963 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003964 while (*last) {
Frédéric Lécaillea30b1d72020-03-24 20:08:30 +01003965 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02003966 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003967
3968 if (curpeers->state == PR_STSTOPPED) {
3969 /* the "disabled" keyword was present */
3970 if (curpeers->peers_fe)
3971 stop_proxy(curpeers->peers_fe);
3972 curpeers->peers_fe = NULL;
3973 }
Frédéric Lécaille854079b2019-10-04 08:30:04 +02003974 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003975 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3976 curpeers->id, localpeer);
Frédéric Lécaillea30b1d72020-03-24 20:08:30 +01003977 if (curpeers->peers_fe)
3978 stop_proxy(curpeers->peers_fe);
3979 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003980 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003981 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003982 /* either it's totally stopped or too much used */
3983 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003984 ha_alert("Peers section '%s': peers referenced by sections "
3985 "running in different processes (%d different ones). "
3986 "Check global.nbproc and all tables' bind-process "
3987 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003988 cfgerr++;
3989 }
3990 stop_proxy(curpeers->peers_fe);
3991 curpeers->peers_fe = NULL;
3992 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003993 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003994 /* Initializes the transport layer of the server part of all the peers belonging to
3995 * <curpeers> section if required.
3996 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3997 * of an old process.
3998 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003999 p = curpeers->remote;
4000 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01004001 if (p->srv) {
4002 if (p->srv->use_ssl && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
4003 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
4004 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02004005 p = p->next;
4006 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01004007 /* Configure the SSL bindings of the local peer if required. */
4008 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
4009 struct list *l;
4010 struct bind_conf *bind_conf;
4011
4012 l = &curpeers->peers_fe->conf.bind;
4013 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
4014 if (bind_conf->xprt->prepare_bind_conf &&
4015 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
4016 cfgerr++;
4017 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02004018 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02004019 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
4020 curpeers->id);
4021 cfgerr++;
4022 break;
4023 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004024 last = &curpeers->next;
4025 continue;
4026 }
4027
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004028 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02004029 p = curpeers->remote;
4030 while (p) {
4031 pb = p->next;
4032 free(p->id);
4033 free(p);
4034 p = pb;
4035 }
4036
4037 /* Destroy and unlink this curpeers section.
4038 * Note: curpeers is backed up into *last.
4039 */
4040 free(curpeers->id);
4041 curpeers = curpeers->next;
Frédéric Lécaillea30b1d72020-03-24 20:08:30 +01004042 /* Reset any refereance to this peers section in the list of stick-tables */
4043 for (t = stktables_list; t; t = t->next) {
4044 if (t->peers.p && t->peers.p == *last)
4045 t->peers.p = NULL;
4046 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004047 free(*last);
4048 *last = curpeers;
4049 }
4050 }
4051
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004052 for (t = stktables_list; t; t = t->next) {
4053 if (t->proxy)
4054 continue;
4055 if (!stktable_init(t)) {
4056 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
4057 cfgerr++;
4058 }
4059 }
4060
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004061 /* initialize stick-tables on backend capable proxies. This must not
4062 * be done earlier because the data size may be discovered while parsing
4063 * other proxies.
4064 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004065 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004066 if (curproxy->state == PR_STSTOPPED || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004067 continue;
4068
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004069 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004070 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004071 cfgerr++;
4072 }
4073 }
4074
Simon Horman0d16a402015-01-30 11:22:58 +09004075 if (mailers) {
4076 struct mailers *curmailers = mailers, **last;
4077 struct mailer *m, *mb;
4078
4079 /* Remove all mailers sections which don't have a valid listener.
4080 * This can happen when a mailers section is never referenced.
4081 */
4082 last = &mailers;
4083 while (*last) {
4084 curmailers = *last;
4085 if (curmailers->users) {
4086 last = &curmailers->next;
4087 continue;
4088 }
4089
Christopher Faulet767a84b2017-11-24 16:50:31 +01004090 ha_warning("Removing incomplete section 'mailers %s'.\n",
4091 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09004092
4093 m = curmailers->mailer_list;
4094 while (m) {
4095 mb = m->next;
4096 free(m->id);
4097 free(m);
4098 m = mb;
4099 }
4100
4101 /* Destroy and unlink this curmailers section.
4102 * Note: curmailers is backed up into *last.
4103 */
4104 free(curmailers->id);
4105 curmailers = curmailers->next;
4106 free(*last);
4107 *last = curmailers;
4108 }
4109 }
4110
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004111 /* Update server_state_file_name to backend name if backend is supposed to use
4112 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004113 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004114 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
4115 curproxy->server_state_file_name == NULL)
4116 curproxy->server_state_file_name = strdup(curproxy->id);
4117 }
4118
Willy Tarreaubafbe012017-11-24 17:34:44 +01004119 pool_head_hdr_idx = create_pool("hdr_idx",
Willy Tarreauac1932d2011-10-24 19:14:41 +02004120 global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
Willy Tarreau34eb6712011-10-24 18:15:04 +02004121 MEM_F_SHARED);
4122
Ben Draut054fbee2018-04-13 15:43:04 -06004123 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
4124 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
4125 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
4126 curr_resolvers->id, curr_resolvers->conf.file,
4127 curr_resolvers->conf.line);
4128 err_code |= ERR_WARN;
4129 }
4130 }
4131
William Lallemand48b4bb42017-10-23 14:36:34 +02004132 list_for_each_entry(postparser, &postparsers, list) {
4133 if (postparser->func)
4134 cfgerr += postparser->func();
4135 }
4136
Willy Tarreaubb925012009-07-23 13:36:36 +02004137 if (cfgerr > 0)
4138 err_code |= ERR_ALERT | ERR_FATAL;
4139 out:
4140 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004141}
4142
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004143/*
4144 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4145 * parsing sessions.
4146 */
4147void cfg_register_keywords(struct cfg_kw_list *kwl)
4148{
4149 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
4150}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004151
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004152/*
4153 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4154 */
4155void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4156{
4157 LIST_DEL(&kwl->list);
4158 LIST_INIT(&kwl->list);
4159}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004160
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004161/* this function register new section in the haproxy configuration file.
4162 * <section_name> is the name of this new section and <section_parser>
4163 * is the called parser. If two section declaration have the same name,
4164 * only the first declared is used.
4165 */
4166int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004167 int (*section_parser)(const char *, int, char **, int),
4168 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004169{
4170 struct cfg_section *cs;
4171
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004172 list_for_each_entry(cs, &sections, list) {
4173 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004174 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004175 return 0;
4176 }
4177 }
4178
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004179 cs = calloc(1, sizeof(*cs));
4180 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004181 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004182 return 0;
4183 }
4184
4185 cs->section_name = section_name;
4186 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004187 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004188
4189 LIST_ADDQ(&sections, &cs->list);
4190
4191 return 1;
4192}
4193
William Lallemand48b4bb42017-10-23 14:36:34 +02004194/* this function register a new function which will be called once the haproxy
4195 * configuration file has been parsed. It's useful to check dependencies
4196 * between sections or to resolve items once everything is parsed.
4197 */
4198int cfg_register_postparser(char *name, int (*func)())
4199{
4200 struct cfg_postparser *cp;
4201
4202 cp = calloc(1, sizeof(*cp));
4203 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004204 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004205 return 0;
4206 }
4207 cp->name = name;
4208 cp->func = func;
4209
4210 LIST_ADDQ(&postparsers, &cp->list);
4211
4212 return 1;
4213}
4214
Willy Tarreaubaaee002006-06-26 02:48:02 +02004215/*
David Carlier845efb52015-09-25 11:49:18 +01004216 * free all config section entries
4217 */
4218void cfg_unregister_sections(void)
4219{
4220 struct cfg_section *cs, *ics;
4221
4222 list_for_each_entry_safe(cs, ics, &sections, list) {
4223 LIST_DEL(&cs->list);
4224 free(cs);
4225 }
4226}
4227
Christopher Faulet7110b402016-10-26 11:09:44 +02004228void cfg_backup_sections(struct list *backup_sections)
4229{
4230 struct cfg_section *cs, *ics;
4231
4232 list_for_each_entry_safe(cs, ics, &sections, list) {
4233 LIST_DEL(&cs->list);
4234 LIST_ADDQ(backup_sections, &cs->list);
4235 }
4236}
4237
4238void cfg_restore_sections(struct list *backup_sections)
4239{
4240 struct cfg_section *cs, *ics;
4241
4242 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4243 LIST_DEL(&cs->list);
4244 LIST_ADDQ(&sections, &cs->list);
4245 }
4246}
4247
Willy Tarreaue6552512018-11-26 11:33:13 +01004248/* these are the config sections handled by default */
4249REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4250REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4251REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4252REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4253REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4254REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4255REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4256REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4257REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4258REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004259
David Carlier845efb52015-09-25 11:49:18 +01004260/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004261 * Local variables:
4262 * c-indent-level: 8
4263 * c-basic-offset: 8
4264 * End:
4265 */