blob: fde3097e8911c6aa6fe8a4362bdc11731f21d129 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Configuration parser
3 *
Willy Tarreauff011f22011-01-06 17:51:27 +01004 * Copyright 2000-2011 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Cyril Bonté1a0191d2014-08-29 20:20:02 +020013#ifdef CONFIG_HAP_CRYPT
14/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
17#ifdef NEED_CRYPT_H
18/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
21#endif /* CONFIG_HAP_CRYPT */
22
Willy Tarreaubaaee002006-06-26 02:48:02 +020023#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <netdb.h>
27#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020028#include <pwd.h>
29#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020030#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020031#include <sys/types.h>
32#include <sys/stat.h>
33#include <fcntl.h>
34#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035
Willy Tarreau2dd0d472006-06-29 17:53:05 +020036#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020037#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020038#include <common/config.h>
Willy Tarreau058e9072009-07-20 09:30:05 +020039#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020040#include <common/memory.h>
41#include <common/standard.h>
42#include <common/time.h>
43#include <common/uri_auth.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010044#include <common/namespace.h>
Emeric Brunc60def82017-09-27 14:59:38 +020045#include <common/hathreads.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046
47#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020048#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <types/global.h>
Willy Tarreau3fdb3662012-11-12 00:42:33 +010050#include <types/obj_type.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020051#include <types/peers.h>
Simon Horman0d16a402015-01-30 11:22:58 +090052#include <types/mailers.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +020053#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <types/stats.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020055
Willy Tarreaueb0c6142007-05-07 00:53:22 +020056#include <proto/acl.h>
Christopher Faulet4fce0d82017-09-18 11:57:31 +020057#include <proto/action.h>
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010058#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020059#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020060#include <proto/channel.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020061#include <proto/checks.h>
Baptiste Assmann201c07f2017-05-22 15:17:15 +020062#include <proto/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010063#include <proto/stats.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020064#include <proto/filters.h>
Willy Tarreaueb472682010-05-28 18:46:57 +020065#include <proto/frontend.h>
Willy Tarreau34eb6712011-10-24 18:15:04 +020066#include <proto/hdr_idx.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020067#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020068#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010069#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020070#include <proto/lb_fwlc.h>
71#include <proto/lb_fwrr.h>
72#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020073#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020074#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020075#include <proto/protocol.h>
Willy Tarreaue6b98942007-10-29 01:09:36 +010076#include <proto/proto_http.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010077#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020078#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020079#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020080#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020081#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020082#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010083#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010084#include <proto/task.h>
85#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020086#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020087
88
Willy Tarreauf3c69202006-07-09 16:42:34 +020089/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
90 * ssl-hello-chk option to ensure that the remote server speaks SSL.
91 *
92 * Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
93 */
94const char sslv3_client_hello_pkt[] = {
95 "\x16" /* ContentType : 0x16 = Hanshake */
96 "\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
97 "\x00\x79" /* ContentLength : 0x79 bytes after this one */
98 "\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
99 "\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
100 "\x03\x00" /* Hello Version : 0x0300 = v3 */
101 "\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
102 "HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
103 "\x00" /* Session ID length : empty (no session ID) */
104 "\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
105 "\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
106 "\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
107 "\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
108 "\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
109 "\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
110 "\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
111 "\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
112 "\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
113 "\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
114 "\x00\x38" "\x00\x39" "\x00\x3A"
115 "\x01" /* Compression Length : 0x01 = 1 byte for types */
116 "\x00" /* Compression Type : 0x00 = NULL compression */
117};
118
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +0100119/* Used to chain configuration sections definitions. This list
120 * stores struct cfg_section
121 */
122struct list sections = LIST_HEAD_INIT(sections);
123
William Lallemand48b4bb42017-10-23 14:36:34 +0200124struct list postparsers = LIST_HEAD_INIT(postparsers);
125
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100126char *cursection = NULL;
127struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200128int cfg_maxpconn = DEFAULT_MAXCONN; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100129int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100130char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200131
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200132/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100133struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200134 .list = LIST_HEAD_INIT(cfg_keywords.list)
135};
136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137/*
138 * converts <str> to a list of listeners which are dynamically allocated.
139 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
140 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
141 * - <port> is a numerical port from 1 to 65535 ;
142 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
143 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200144 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
145 * not NULL, it must be a valid pointer to either NULL or a freeable area that
146 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200147 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200148int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200149{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100150 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200151 int port, end;
152
153 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200154
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100156 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200157 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100158 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159
160 str = next;
161 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100162 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200163 *next++ = 0;
164 }
165
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100166 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200167 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200168 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100169 if (!ss2)
170 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100172 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100173 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200174 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100175 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100178 if (!port || !end) {
179 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
180 goto fail;
181 }
182
Emeric Bruned760922010-10-22 17:59:25 +0200183 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200184 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200185 goto fail;
186 }
187
188 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200189 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200190 goto fail;
191 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100193 else if (ss2->ss_family == AF_UNSPEC) {
194 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100195 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100196
197 /* We want to attach to an already bound fd whose number
198 * is in the addr part of ss2 when cast to sockaddr_in.
199 * Note that by definition there is a single listener.
200 * We still have to determine the address family to
201 * register the correct protocol.
202 */
203 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
204 addr_len = sizeof(*ss2);
205 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
206 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
207 goto fail;
208 }
209
210 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200211
212 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
213 socklen_t addr_len;
214 inherited = 1;
215
216 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
217 addr_len = sizeof(*ss2);
218 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
219 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
220 goto fail;
221 }
222
223 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
224 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100225 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200226
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100227 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100228 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200229 memprintf(err, "%s for address '%s'.\n", *err, str);
230 goto fail;
231 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200232 } /* end while(next) */
233 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200234 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200235 fail:
236 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200237 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200238}
239
William Lallemand6e62fb62015-04-28 16:55:23 +0200240/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100241 * Report an error in <msg> when there are too many arguments. This version is
242 * intended to be used by keyword parsers so that the message will be included
243 * into the general error message. The index is the current keyword in args.
244 * Return 0 if the number of argument is correct, otherwise build a message and
245 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
246 * message may also be null, it will simply not be produced (useful to check only).
247 * <msg> and <err_code> are only affected on error.
248 */
249int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
250{
251 int i;
252
253 if (!*args[index + maxarg + 1])
254 return 0;
255
256 if (msg) {
257 *msg = NULL;
258 memprintf(msg, "%s", args[0]);
259 for (i = 1; i <= index; i++)
260 memprintf(msg, "%s %s", *msg, args[i]);
261
262 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
263 }
264 if (err_code)
265 *err_code |= ERR_ALERT | ERR_FATAL;
266
267 return 1;
268}
269
270/*
271 * same as too_many_args_idx with a 0 index
272 */
273int too_many_args(int maxarg, char **args, char **msg, int *err_code)
274{
275 return too_many_args_idx(maxarg, 0, args, msg, err_code);
276}
277
278/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200279 * Report a fatal Alert when there is too much arguments
280 * The index is the current keyword in args
281 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
282 * Fill err_code with an ERR_ALERT and an ERR_FATAL
283 */
284int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
285{
286 char *kw = NULL;
287 int i;
288
289 if (!*args[index + maxarg + 1])
290 return 0;
291
292 memprintf(&kw, "%s", args[0]);
293 for (i = 1; i <= index; i++) {
294 memprintf(&kw, "%s %s", kw, args[i]);
295 }
296
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 ha_alert("parsing [%s:%d] : '%s' cannot handle unexpected argument '%s'.\n", file, linenum, kw, args[index + maxarg + 1]);
William Lallemand6e62fb62015-04-28 16:55:23 +0200298 free(kw);
299 *err_code |= ERR_ALERT | ERR_FATAL;
300 return 1;
301}
302
303/*
304 * same as alertif_too_many_args_idx with a 0 index
305 */
306int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
307{
308 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
309}
310
Willy Tarreau61d18892009-03-31 10:49:21 +0200311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312/* Report it if a request ACL condition uses some keywords that are incompatible
313 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
314 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
315 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100316 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100317int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100318{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100319 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200320 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100321
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100322 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100323 return 0;
324
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100325 acl = acl_cond_conflicts(cond, where);
326 if (acl) {
327 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100328 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
329 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100330 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100331 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
332 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100333 return ERR_WARN;
334 }
335 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100336 return 0;
337
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100338 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100339 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
340 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100341 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100342 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
343 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100344 return ERR_WARN;
345}
346
Christopher Faulet62519022017-10-16 15:49:32 +0200347/* Parse a string representing a process number or a set of processes. It must
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;
Olivier Houchardb7b3faa2018-12-14 18:15:36 +0100481 defproxy.defsrv.pool_purge_delay = 1000;
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;
619 char *kws;
Emeric Brun32da3c42010-09-23 18:39:19 +0200620
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100621 cur_arg = 1;
622
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200623 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
624 err_code |= ERR_ALERT | ERR_ABORT;
625 goto out;
626 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100627
628 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
629 NULL, xprt_get(XPRT_RAW));
630 if (*args[0] == 'b') {
631 struct listener *l;
632
633 if (peer_line) {
634 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
635 err_code |= ERR_ALERT | ERR_FATAL;
636 goto out;
637 }
638
639 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
640 if (errmsg && *errmsg) {
641 indent_msg(&errmsg, 2);
642 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
643 }
644 else
645 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
646 file, linenum, args[0], args[1], args[2]);
647 err_code |= ERR_FATAL;
648 goto out;
649 }
650 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
651 l->maxaccept = 1;
652 l->maxconn = curpeers->peers_fe->maxconn;
653 l->backlog = curpeers->peers_fe->backlog;
654 l->accept = session_accept_fd;
655 l->analysers |= curpeers->peers_fe->fe_req_ana;
656 l->default_target = curpeers->peers_fe->default_target;
657 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
658 global.maxsock += l->maxconn;
659
660 bind_line = 1;
661 if (cfg_peers->local) {
662 newpeer = cfg_peers->local;
663 }
664 else {
665 /* This peer is local.
666 * Note that we do not set the peer ID. This latter is initialized
667 * when parsing "peer" or "server" line.
668 */
669 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
670 if (!newpeer) {
671 err_code |= ERR_ALERT | ERR_ABORT;
672 goto out;
673 }
674 }
675 newpeer->addr = l->addr;
676 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
677 cur_arg++;
678 }
679
680 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
681 int ret;
682
683 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
684 err_code |= ret;
685 if (ret) {
686 if (errmsg && *errmsg) {
687 indent_msg(&errmsg, 2);
688 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
689 }
690 else
691 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
692 file, linenum, args[cur_arg]);
693 if (ret & ERR_FATAL)
694 goto out;
695 }
696 cur_arg += 1 + kw->skip;
697 }
698 kws = NULL;
699 if (!kws_dumped) {
700 kws_dumped = 1;
701 bind_dump_kws(&kws);
702 indent_msg(&kws, 4);
703 }
704 if (*args[cur_arg] != 0) {
705 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
706 file, linenum, args[cur_arg], cursection,
707 kws ? " Registered keywords :" : "", kws ? kws: "");
708 free(kws);
709 err_code |= ERR_ALERT | ERR_FATAL;
710 goto out;
711 }
712 }
713 else if (strcmp(args[0], "default-server") == 0) {
714 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
715 err_code |= ERR_ALERT | ERR_ABORT;
716 goto out;
717 }
718 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200719 }
720 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100721 /* Initialize these static variables when entering a new "peers" section*/
722 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100723 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100724 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100725 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100726 goto out;
727 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200728
William Lallemand6e62fb62015-04-28 16:55:23 +0200729 if (alertif_too_many_args(1, file, linenum, args, &err_code))
730 goto out;
731
Emeric Brun32da3c42010-09-23 18:39:19 +0200732 err = invalid_char(args[1]);
733 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100734 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
735 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100736 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100737 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200738 }
739
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200740 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200741 /*
742 * If there are two proxies with the same name only following
743 * combinations are allowed:
744 */
745 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100746 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
747 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200748 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200749 }
750 }
751
Vincent Bernat02779b62016-04-03 13:48:43 +0200752 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100753 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200754 err_code |= ERR_ALERT | ERR_ABORT;
755 goto out;
756 }
757
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200758 curpeers->next = cfg_peers;
759 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200760 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200761 curpeers->conf.line = linenum;
762 curpeers->last_change = now.tv_sec;
763 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200764 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200765 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200766 else if (strcmp(args[0], "peer") == 0 ||
767 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100768 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200769
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100770 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100771 local_peer = !strcmp(args[1], localpeer);
772 /* The local peer may have already partially been parsed on a "bind" line. */
773 if (*args[0] == 'p') {
774 if (bind_line) {
775 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
776 err_code |= ERR_ALERT | ERR_FATAL;
777 goto out;
778 }
779 peer_line = 1;
780 }
781 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
782 /* The local peer has already been initialized on a "bind" line.
783 * Let's use it and store its ID.
784 */
785 newpeer = cfg_peers->local;
786 newpeer->id = strdup(localpeer);
787 }
788 else {
789 if (local_peer && cfg_peers->local) {
790 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
791 file, linenum, args[0], args[1],
792 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
793 err_code |= ERR_FATAL;
794 goto out;
795 }
796 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
797 if (!newpeer) {
798 err_code |= ERR_ALERT | ERR_ABORT;
799 goto out;
800 }
801 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200802
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100803 /* Line number and peer ID are updated only if this peer is the local one. */
804 if (init_peers_frontend(file,
805 newpeer->local ? linenum: -1,
806 newpeer->local ? newpeer->id : NULL,
807 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200808 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100809 goto out;
810 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100811
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100812 /* This initializes curpeer->peers->peers_fe->srv.
813 * The server address is parsed only if we are parsing a "peer" line,
814 * or if we are parsing a "server" line and the current peer is not the local one.
815 */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100816 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200817 if (!curpeers->peers_fe->srv)
Emeric Brun32da3c42010-09-23 18:39:19 +0200818 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200819
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100820 /* If the peer address has just been parsed, let's copy it to <newpeer>
821 * and initializes ->proto.
822 */
823 if (peer || !local_peer) {
824 newpeer->addr = curpeers->peers_fe->srv->addr;
825 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
826 }
827
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100828 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200829 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100830 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200831
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100832 newpeer->srv = curpeers->peers_fe->srv;
833 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200834 goto out;
835
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100836 /* The lines above are reserved to "peer" lines. */
837 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200838 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200839
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100840 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100841
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100842 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
843 if (errmsg && *errmsg) {
844 indent_msg(&errmsg, 2);
845 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100846 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100847 else
848 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
849 file, linenum, args[0], args[1], args[2]);
850 err_code |= ERR_FATAL;
851 goto out;
852 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100853
854 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
855 l->maxaccept = 1;
856 l->maxconn = curpeers->peers_fe->maxconn;
857 l->backlog = curpeers->peers_fe->backlog;
858 l->accept = session_accept_fd;
859 l->analysers |= curpeers->peers_fe->fe_req_ana;
860 l->default_target = curpeers->peers_fe->default_target;
861 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
862 global.maxsock += l->maxconn;
Emeric Brun32da3c42010-09-23 18:39:19 +0200863 } /* neither "peer" nor "peers" */
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200864 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
865 curpeers->state = PR_STSTOPPED;
866 }
867 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
868 curpeers->state = PR_STNEW;
869 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200870 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100871 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200872 err_code |= ERR_ALERT | ERR_FATAL;
873 goto out;
874 }
875
876out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100877 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200878 return err_code;
879}
880
Baptiste Assmann325137d2015-04-13 23:40:55 +0200881/*
882 * Parse a <resolvers> section.
883 * Returns the error code, 0 if OK, or any combination of :
884 * - ERR_ABORT: must abort ASAP
885 * - ERR_FATAL: we can continue parsing but not start the service
886 * - ERR_WARN: a warning has been emitted
887 * - ERR_ALERT: an alert has been emitted
888 * Only the two first ones can stop processing, the two others are just
889 * indicators.
890 */
891int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
892{
893 static struct dns_resolvers *curr_resolvers = NULL;
894 struct dns_nameserver *newnameserver = NULL;
895 const char *err;
896 int err_code = 0;
897 char *errmsg = NULL;
898
899 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
900 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100901 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200902 err_code |= ERR_ALERT | ERR_ABORT;
903 goto out;
904 }
905
906 err = invalid_char(args[1]);
907 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100908 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
909 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200910 err_code |= ERR_ALERT | ERR_ABORT;
911 goto out;
912 }
913
914 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
915 /* Error if two resolvers owns the same name */
916 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100917 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
918 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200919 err_code |= ERR_ALERT | ERR_ABORT;
920 }
921 }
922
Vincent Bernat02779b62016-04-03 13:48:43 +0200923 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100924 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200925 err_code |= ERR_ALERT | ERR_ABORT;
926 goto out;
927 }
928
929 /* default values */
930 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
931 curr_resolvers->conf.file = strdup(file);
932 curr_resolvers->conf.line = linenum;
933 curr_resolvers->id = strdup(args[1]);
934 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200935 /* default maximum response size */
936 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100937 /* default hold period for nx, other, refuse and timeout is 30s */
938 curr_resolvers->hold.nx = 30000;
939 curr_resolvers->hold.other = 30000;
940 curr_resolvers->hold.refused = 30000;
941 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200942 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200943 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200944 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200945 curr_resolvers->timeout.resolve = 1000;
946 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200947 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200948 curr_resolvers->nb_nameservers = 0;
949 LIST_INIT(&curr_resolvers->nameservers);
950 LIST_INIT(&curr_resolvers->resolutions.curr);
951 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100952 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200953 }
954 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
955 struct sockaddr_storage *sk;
956 int port1, port2;
957 struct protocol *proto;
958
959 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100960 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
961 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200962 err_code |= ERR_ALERT | ERR_FATAL;
963 goto out;
964 }
965
966 err = invalid_char(args[1]);
967 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100968 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
969 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200970 err_code |= ERR_ALERT | ERR_FATAL;
971 goto out;
972 }
973
Christopher Faulet67957bd2017-09-27 11:00:59 +0200974 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +0100975 /* Error if two resolvers owns the same name */
976 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100977 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 -0600978 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +0100979 err_code |= ERR_ALERT | ERR_FATAL;
980 }
981 }
982
Vincent Bernat02779b62016-04-03 13:48:43 +0200983 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100984 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200985 err_code |= ERR_ALERT | ERR_ABORT;
986 goto out;
987 }
988
989 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +0200990 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200991 newnameserver->resolvers = curr_resolvers;
992 newnameserver->conf.file = strdup(file);
993 newnameserver->conf.line = linenum;
994 newnameserver->id = strdup(args[1]);
995
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100996 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200997 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100998 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200999 err_code |= ERR_ALERT | ERR_FATAL;
1000 goto out;
1001 }
1002
1003 proto = protocol_by_family(sk->ss_family);
1004 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001005 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +02001006 file, linenum, args[0], args[1]);
1007 err_code |= ERR_ALERT | ERR_FATAL;
1008 goto out;
1009 }
1010
1011 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001012 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1013 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001014 err_code |= ERR_ALERT | ERR_FATAL;
1015 goto out;
1016 }
1017
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001018 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001019 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1020 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001021 err_code |= ERR_ALERT | ERR_FATAL;
1022 goto out;
1023 }
1024
Baptiste Assmann325137d2015-04-13 23:40:55 +02001025 newnameserver->addr = *sk;
1026 }
Ben Draut44e609b2018-05-29 15:40:08 -06001027 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1028 const char *whitespace = "\r\n\t ";
1029 char *resolv_line = NULL;
1030 int resolv_linenum = 0;
1031 FILE *f = NULL;
1032 char *address = NULL;
1033 struct sockaddr_storage *sk = NULL;
1034 struct protocol *proto;
1035 int duplicate_name = 0;
1036
1037 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1038 ha_alert("parsing [%s:%d] : out of memory.\n",
1039 file, linenum);
1040 err_code |= ERR_ALERT | ERR_FATAL;
1041 goto resolv_out;
1042 }
1043
1044 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1045 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1046 file, linenum);
1047 err_code |= ERR_ALERT | ERR_FATAL;
1048 goto resolv_out;
1049 }
1050
1051 sk = calloc(1, sizeof(*sk));
1052 if (sk == NULL) {
1053 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1054 resolv_linenum);
1055 err_code |= ERR_ALERT | ERR_FATAL;
1056 goto resolv_out;
1057 }
1058
1059 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1060 resolv_linenum++;
1061 if (strncmp(resolv_line, "nameserver", 10) != 0)
1062 continue;
1063
1064 address = strtok(resolv_line + 10, whitespace);
1065 if (address == resolv_line + 10)
1066 continue;
1067
1068 if (address == NULL) {
1069 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1070 resolv_linenum);
1071 err_code |= ERR_WARN;
1072 continue;
1073 }
1074
1075 duplicate_name = 0;
1076 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1077 if (strcmp(newnameserver->id, address) == 0) {
1078 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",
1079 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1080 err_code |= ERR_WARN;
1081 duplicate_name = 1;
1082 }
1083 }
1084
1085 if (duplicate_name)
1086 continue;
1087
1088 memset(sk, 0, sizeof(*sk));
1089 sk = str2ip2(address, sk, 1);
1090 if (!sk) {
1091 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1092 resolv_linenum, address);
1093 err_code |= ERR_WARN;
1094 continue;
1095 }
1096
1097 set_host_port(sk, 53);
1098
1099 proto = protocol_by_family(sk->ss_family);
1100 if (!proto || !proto->connect) {
1101 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1102 resolv_linenum, address);
1103 err_code |= ERR_WARN;
1104 continue;
1105 }
1106
1107 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1108 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1109 err_code |= ERR_ALERT | ERR_FATAL;
1110 goto resolv_out;
1111 }
1112
1113 newnameserver->conf.file = strdup("/etc/resolv.conf");
1114 if (newnameserver->conf.file == NULL) {
1115 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1116 err_code |= ERR_ALERT | ERR_FATAL;
1117 goto resolv_out;
1118 }
1119
1120 newnameserver->id = strdup(address);
1121 if (newnameserver->id == NULL) {
1122 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1123 err_code |= ERR_ALERT | ERR_FATAL;
1124 goto resolv_out;
1125 }
1126
1127 newnameserver->resolvers = curr_resolvers;
1128 newnameserver->conf.line = resolv_linenum;
1129 newnameserver->addr = *sk;
1130
1131 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1132 }
1133
1134resolv_out:
1135 free(sk);
1136 free(resolv_line);
1137 if (f != NULL)
1138 fclose(f);
1139 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001140 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1141 const char *res;
1142 unsigned int time;
1143
1144 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001145 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1146 file, linenum, args[0]);
1147 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001148 err_code |= ERR_ALERT | ERR_FATAL;
1149 goto out;
1150 }
1151 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
1152 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001153 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1154 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001155 err_code |= ERR_ALERT | ERR_FATAL;
1156 goto out;
1157 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001158 if (strcmp(args[1], "nx") == 0)
1159 curr_resolvers->hold.nx = time;
1160 else if (strcmp(args[1], "other") == 0)
1161 curr_resolvers->hold.other = time;
1162 else if (strcmp(args[1], "refused") == 0)
1163 curr_resolvers->hold.refused = time;
1164 else if (strcmp(args[1], "timeout") == 0)
1165 curr_resolvers->hold.timeout = time;
1166 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001167 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001168 else if (strcmp(args[1], "obsolete") == 0)
1169 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001170 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001171 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1172 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001173 err_code |= ERR_ALERT | ERR_FATAL;
1174 goto out;
1175 }
1176
1177 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001178 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001179 int i = 0;
1180
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001181 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001182 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1183 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001184 err_code |= ERR_ALERT | ERR_FATAL;
1185 goto out;
1186 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001187
1188 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001189 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001190 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1191 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001192 err_code |= ERR_ALERT | ERR_FATAL;
1193 goto out;
1194 }
1195
1196 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001197 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001198 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001199 ha_warning("parsing [%s:%d] : '%s' directive is now deprecated and ignored.\n",
1200 file, linenum, args[0]);
Christopher Faulet67957bd2017-09-27 11:00:59 +02001201 err_code |= ERR_WARN;
1202 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001203 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001204 else if (strcmp(args[0], "resolve_retries") == 0) {
1205 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001206 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1207 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001208 err_code |= ERR_ALERT | ERR_FATAL;
1209 goto out;
1210 }
1211 curr_resolvers->resolve_retries = atoi(args[1]);
1212 }
1213 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001214 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001215 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1216 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001217 err_code |= ERR_ALERT | ERR_FATAL;
1218 goto out;
1219 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001220 else if (strcmp(args[1], "retry") == 0 ||
1221 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001222 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001223 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001224
1225 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001226 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1227 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001228 err_code |= ERR_ALERT | ERR_FATAL;
1229 goto out;
1230 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001231 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001232 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001233 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1234 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001235 err_code |= ERR_ALERT | ERR_FATAL;
1236 goto out;
1237 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001238 if (args[1][2] == 't')
1239 curr_resolvers->timeout.retry = tout;
1240 else
1241 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001242 }
1243 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001244 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1245 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001246 err_code |= ERR_ALERT | ERR_FATAL;
1247 goto out;
1248 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001249 } /* neither "nameserver" nor "resolvers" */
1250 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001251 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001252 err_code |= ERR_ALERT | ERR_FATAL;
1253 goto out;
1254 }
1255
1256 out:
1257 free(errmsg);
1258 return err_code;
1259}
Simon Horman0d16a402015-01-30 11:22:58 +09001260
1261/*
William Lallemand51097192015-04-14 16:35:22 +02001262 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001263 * Returns the error code, 0 if OK, or any combination of :
1264 * - ERR_ABORT: must abort ASAP
1265 * - ERR_FATAL: we can continue parsing but not start the service
1266 * - ERR_WARN: a warning has been emitted
1267 * - ERR_ALERT: an alert has been emitted
1268 * Only the two first ones can stop processing, the two others are just
1269 * indicators.
1270 */
1271int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1272{
1273 static struct mailers *curmailers = NULL;
1274 struct mailer *newmailer = NULL;
1275 const char *err;
1276 int err_code = 0;
1277 char *errmsg = NULL;
1278
1279 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1280 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001281 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001282 err_code |= ERR_ALERT | ERR_ABORT;
1283 goto out;
1284 }
1285
1286 err = invalid_char(args[1]);
1287 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001288 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1289 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001290 err_code |= ERR_ALERT | ERR_ABORT;
1291 goto out;
1292 }
1293
1294 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1295 /*
1296 * If there are two proxies with the same name only following
1297 * combinations are allowed:
1298 */
1299 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001300 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1301 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001302 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001303 }
1304 }
1305
Vincent Bernat02779b62016-04-03 13:48:43 +02001306 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001307 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001308 err_code |= ERR_ALERT | ERR_ABORT;
1309 goto out;
1310 }
1311
1312 curmailers->next = mailers;
1313 mailers = curmailers;
1314 curmailers->conf.file = strdup(file);
1315 curmailers->conf.line = linenum;
1316 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001317 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1318 * But need enough time so that timeouts don't occur
1319 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001320 }
1321 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1322 struct sockaddr_storage *sk;
1323 int port1, port2;
1324 struct protocol *proto;
1325
1326 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001327 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1328 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001329 err_code |= ERR_ALERT | ERR_FATAL;
1330 goto out;
1331 }
1332
1333 err = invalid_char(args[1]);
1334 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001335 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1336 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001337 err_code |= ERR_ALERT | ERR_FATAL;
1338 goto out;
1339 }
1340
Vincent Bernat02779b62016-04-03 13:48:43 +02001341 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001342 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001343 err_code |= ERR_ALERT | ERR_ABORT;
1344 goto out;
1345 }
1346
1347 /* the mailers are linked backwards first */
1348 curmailers->count++;
1349 newmailer->next = curmailers->mailer_list;
1350 curmailers->mailer_list = newmailer;
1351 newmailer->mailers = curmailers;
1352 newmailer->conf.file = strdup(file);
1353 newmailer->conf.line = linenum;
1354
1355 newmailer->id = strdup(args[1]);
1356
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001357 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001358 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001359 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001360 err_code |= ERR_ALERT | ERR_FATAL;
1361 goto out;
1362 }
1363
1364 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001365 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001366 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1367 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001368 err_code |= ERR_ALERT | ERR_FATAL;
1369 goto out;
1370 }
1371
1372 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001373 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1374 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001375 err_code |= ERR_ALERT | ERR_FATAL;
1376 goto out;
1377 }
1378
1379 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001380 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1381 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001382 err_code |= ERR_ALERT | ERR_FATAL;
1383 goto out;
1384 }
1385
1386 newmailer->addr = *sk;
1387 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001388 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001389 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001390 }
1391 else if (strcmp(args[0], "timeout") == 0) {
1392 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001393 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1394 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001395 err_code |= ERR_ALERT | ERR_FATAL;
1396 goto out;
1397 }
1398 else if (strcmp(args[1], "mail") == 0) {
1399 const char *res;
1400 unsigned int timeout_mail;
1401 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001402 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1403 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001404 err_code |= ERR_ALERT | ERR_FATAL;
1405 goto out;
1406 }
1407 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
1408 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001409 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1410 file, linenum, *res, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001411 err_code |= ERR_ALERT | ERR_FATAL;
1412 goto out;
1413 }
1414 if (timeout_mail <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001415 ha_alert("parsing [%s:%d] : '%s %s' expects a positive <time> argument.\n", file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001416 err_code |= ERR_ALERT | ERR_FATAL;
1417 goto out;
1418 }
1419 curmailers->timeout.mail = timeout_mail;
1420 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001421 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001422 file, linenum, args[0], args[1]);
1423 err_code |= ERR_ALERT | ERR_FATAL;
1424 goto out;
1425 }
1426 }
Simon Horman0d16a402015-01-30 11:22:58 +09001427 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001428 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001429 err_code |= ERR_ALERT | ERR_FATAL;
1430 goto out;
1431 }
1432
1433out:
1434 free(errmsg);
1435 return err_code;
1436}
1437
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001438void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001439{
1440 free(p->email_alert.mailers.name);
1441 p->email_alert.mailers.name = NULL;
1442 free(p->email_alert.from);
1443 p->email_alert.from = NULL;
1444 free(p->email_alert.to);
1445 p->email_alert.to = NULL;
1446 free(p->email_alert.myhostname);
1447 p->email_alert.myhostname = NULL;
1448}
1449
Willy Tarreaubaaee002006-06-26 02:48:02 +02001450
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001451int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001452cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1453{
1454#ifdef CONFIG_HAP_NS
1455 const char *err;
1456 const char *item = args[0];
1457
1458 if (!strcmp(item, "namespace_list")) {
1459 return 0;
1460 }
1461 else if (!strcmp(item, "namespace")) {
1462 size_t idx = 1;
1463 const char *current;
1464 while (*(current = args[idx++])) {
1465 err = invalid_char(current);
1466 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001467 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1468 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001469 return ERR_ALERT | ERR_FATAL;
1470 }
1471
1472 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001473 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1474 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001475 return ERR_ALERT | ERR_FATAL;
1476 }
1477 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001478 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1479 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001480 return ERR_ALERT | ERR_FATAL;
1481 }
1482 }
1483 }
1484
1485 return 0;
1486#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001487 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1488 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001489 return ERR_ALERT | ERR_FATAL;
1490#endif
1491}
1492
1493int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001494cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1495{
1496
1497 int err_code = 0;
1498 const char *err;
1499
1500 if (!strcmp(args[0], "userlist")) { /* new userlist */
1501 struct userlist *newul;
1502
1503 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001504 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1505 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001506 err_code |= ERR_ALERT | ERR_FATAL;
1507 goto out;
1508 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001509 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1510 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001511
1512 err = invalid_char(args[1]);
1513 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001514 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1515 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001516 err_code |= ERR_ALERT | ERR_FATAL;
1517 goto out;
1518 }
1519
1520 for (newul = userlist; newul; newul = newul->next)
1521 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001522 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1523 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001524 err_code |= ERR_WARN;
1525 goto out;
1526 }
1527
Vincent Bernat02779b62016-04-03 13:48:43 +02001528 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001529 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001530 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001531 err_code |= ERR_ALERT | ERR_ABORT;
1532 goto out;
1533 }
1534
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001535 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001536 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001537 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001538 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001539 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001540 goto out;
1541 }
1542
1543 newul->next = userlist;
1544 userlist = newul;
1545
1546 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001547 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001548 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001549 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001550
1551 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001552 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1553 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001554 err_code |= ERR_ALERT | ERR_FATAL;
1555 goto out;
1556 }
1557
1558 err = invalid_char(args[1]);
1559 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001560 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1561 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001562 err_code |= ERR_ALERT | ERR_FATAL;
1563 goto out;
1564 }
1565
William Lallemand4ac9f542015-05-28 18:03:51 +02001566 if (!userlist)
1567 goto out;
1568
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001569 for (ag = userlist->groups; ag; ag = ag->next)
1570 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001571 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1572 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001573 err_code |= ERR_ALERT;
1574 goto out;
1575 }
1576
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001577 ag = calloc(1, sizeof(*ag));
1578 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001579 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001580 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001581 goto out;
1582 }
1583
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001584 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001585 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001586 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001587 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001588 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001589 goto out;
1590 }
1591
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001592 cur_arg = 2;
1593
1594 while (*args[cur_arg]) {
1595 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001596 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001597 cur_arg += 2;
1598 continue;
1599 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001600 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1601 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001602 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001603 free(ag->groupusers);
1604 free(ag->name);
1605 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001606 goto out;
1607 }
1608 }
1609
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001610 ag->next = userlist->groups;
1611 userlist->groups = ag;
1612
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001613 } else if (!strcmp(args[0], "user")) { /* new user */
1614 struct auth_users *newuser;
1615 int cur_arg;
1616
1617 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001618 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1619 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001620 err_code |= ERR_ALERT | ERR_FATAL;
1621 goto out;
1622 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001623 if (!userlist)
1624 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001625
1626 for (newuser = userlist->users; newuser; newuser = newuser->next)
1627 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001628 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1629 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001630 err_code |= ERR_ALERT;
1631 goto out;
1632 }
1633
Vincent Bernat02779b62016-04-03 13:48:43 +02001634 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001635 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001636 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001637 err_code |= ERR_ALERT | ERR_ABORT;
1638 goto out;
1639 }
1640
1641 newuser->user = strdup(args[1]);
1642
1643 newuser->next = userlist->users;
1644 userlist->users = newuser;
1645
1646 cur_arg = 2;
1647
1648 while (*args[cur_arg]) {
1649 if (!strcmp(args[cur_arg], "password")) {
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001650#ifdef CONFIG_HAP_CRYPT
1651 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001652 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1653 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001654 err_code |= ERR_ALERT | ERR_FATAL;
1655 goto out;
1656 }
1657#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001658 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1659 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001660 err_code |= ERR_ALERT;
1661#endif
1662 newuser->pass = strdup(args[cur_arg + 1]);
1663 cur_arg += 2;
1664 continue;
1665 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1666 newuser->pass = strdup(args[cur_arg + 1]);
1667 newuser->flags |= AU_O_INSECURE;
1668 cur_arg += 2;
1669 continue;
1670 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001671 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001672 cur_arg += 2;
1673 continue;
1674 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001675 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1676 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001677 err_code |= ERR_ALERT | ERR_FATAL;
1678 goto out;
1679 }
1680 }
1681 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001682 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 +01001683 err_code |= ERR_ALERT | ERR_FATAL;
1684 }
1685
1686out:
1687 return err_code;
1688}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001689
Christopher Faulet79bdef32016-11-04 22:36:15 +01001690int
1691cfg_parse_scope(const char *file, int linenum, char *line)
1692{
1693 char *beg, *end, *scope = NULL;
1694 int err_code = 0;
1695 const char *err;
1696
1697 beg = line + 1;
1698 end = strchr(beg, ']');
1699
1700 /* Detect end of scope declaration */
1701 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001702 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1703 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001704 err_code |= ERR_ALERT | ERR_FATAL;
1705 goto out;
1706 }
1707
1708 /* Get scope name and check its validity */
1709 scope = my_strndup(beg, end-beg);
1710 err = invalid_char(scope);
1711 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001712 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1713 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001714 err_code |= ERR_ALERT | ERR_ABORT;
1715 goto out;
1716 }
1717
1718 /* Be sure to have a scope declaration alone on its line */
1719 line = end+1;
1720 while (isspace((unsigned char)*line))
1721 line++;
1722 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001723 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1724 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001725 err_code |= ERR_ALERT | ERR_ABORT;
1726 goto out;
1727 }
1728
1729 /* We have a valid scope declaration, save it */
1730 free(cfg_scope);
1731 cfg_scope = scope;
1732 scope = NULL;
1733
1734 out:
1735 free(scope);
1736 return err_code;
1737}
1738
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001739int
1740cfg_parse_track_sc_num(unsigned int *track_sc_num,
1741 const char *arg, const char *end, char **errmsg)
1742{
1743 const char *p;
1744 unsigned int num;
1745
1746 p = arg;
1747 num = read_uint64(&arg, end);
1748
1749 if (arg != end) {
1750 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1751 return -1;
1752 }
1753
1754 if (num >= MAX_SESS_STKCTR) {
1755 memprintf(errmsg, "%u track-sc number exceeding "
1756 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1757 return -1;
1758 }
1759
1760 *track_sc_num = num;
1761 return 0;
1762}
1763
Willy Tarreaubaaee002006-06-26 02:48:02 +02001764/*
1765 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001766 * Returns the error code, 0 if OK, or any combination of :
1767 * - ERR_ABORT: must abort ASAP
1768 * - ERR_FATAL: we can continue parsing but not start the service
1769 * - ERR_WARN: a warning has been emitted
1770 * - ERR_ALERT: an alert has been emitted
1771 * Only the two first ones can stop processing, the two others are just
1772 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001773 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001774int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001775{
William Lallemand64e84512015-05-12 14:25:37 +02001776 char *thisline;
1777 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001778 FILE *f;
1779 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001780 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001781 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001782 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001783 int readbytes = 0;
1784
1785 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001786 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001787 return -1;
1788 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001789
David Carlier97880bb2016-04-08 10:35:26 +01001790 if ((f=fopen(file,"r")) == NULL) {
1791 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001792 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001793 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001794
William Lallemandb2f07452015-05-12 14:27:13 +02001795next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001796 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001797 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001798 char *end;
1799 char *args[MAX_LINE_ARGS + 1];
1800 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001801 int dquote = 0; /* double quote */
1802 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001803
Willy Tarreaubaaee002006-06-26 02:48:02 +02001804 linenum++;
1805
1806 end = line + strlen(line);
1807
William Lallemand64e84512015-05-12 14:25:37 +02001808 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001809 /* Check if we reached the limit and the last char is not \n.
1810 * Watch out for the last line without the terminating '\n'!
1811 */
William Lallemand64e84512015-05-12 14:25:37 +02001812 char *newline;
1813 int newlinesize = linesize * 2;
1814
1815 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1816 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001817 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1818 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001819 err_code |= ERR_ALERT | ERR_FATAL;
1820 continue;
1821 }
1822
1823 readbytes = linesize - 1;
1824 linesize = newlinesize;
1825 thisline = newline;
1826 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001827 }
1828
William Lallemand64e84512015-05-12 14:25:37 +02001829 readbytes = 0;
1830
Willy Tarreaubaaee002006-06-26 02:48:02 +02001831 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001832 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001833 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001834
Christopher Faulet79bdef32016-11-04 22:36:15 +01001835
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001836 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001837 err_code |= cfg_parse_scope(file, linenum, line);
1838 goto next_line;
1839 }
1840
Willy Tarreaubaaee002006-06-26 02:48:02 +02001841 arg = 0;
1842 args[arg] = line;
1843
1844 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001845 if (*line == '"' && !squote) { /* double quote outside single quotes */
1846 if (dquote)
1847 dquote = 0;
1848 else
1849 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001850 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001851 end--;
1852 }
1853 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1854 if (squote)
1855 squote = 0;
1856 else
1857 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001858 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001859 end--;
1860 }
1861 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001862 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1863 * C equivalent value. Other combinations left unchanged (eg: \1).
1864 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001865 int skip = 0;
1866 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1867 *line = line[1];
1868 skip = 1;
1869 }
1870 else if (line[1] == 'r') {
1871 *line = '\r';
1872 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001873 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001874 else if (line[1] == 'n') {
1875 *line = '\n';
1876 skip = 1;
1877 }
1878 else if (line[1] == 't') {
1879 *line = '\t';
1880 skip = 1;
1881 }
1882 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001883 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001884 unsigned char hex1, hex2;
1885 hex1 = toupper(line[2]) - '0';
1886 hex2 = toupper(line[3]) - '0';
1887 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1888 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1889 *line = (hex1<<4) + hex2;
1890 skip = 3;
1891 }
1892 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001893 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001894 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001895 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001896 } else if (line[1] == '"') {
1897 *line = '"';
1898 skip = 1;
1899 } else if (line[1] == '\'') {
1900 *line = '\'';
1901 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001902 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1903 *line = '$';
1904 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001905 }
1906 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001907 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001908 end -= skip;
1909 }
1910 line++;
1911 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001912 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001913 /* end of string, end of loop */
1914 *line = 0;
1915 break;
1916 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001917 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001918 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001919 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001920 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001921 line++;
1922 args[++arg] = line;
1923 }
William Lallemandb2f07452015-05-12 14:27:13 +02001924 else if (dquote && *line == '$') {
1925 /* environment variables are evaluated inside double quotes */
1926 char *var_beg;
1927 char *var_end;
1928 char save_char;
1929 char *value;
1930 int val_len;
1931 int newlinesize;
1932 int braces = 0;
1933
1934 var_beg = line + 1;
1935 var_end = var_beg;
1936
1937 if (*var_beg == '{') {
1938 var_beg++;
1939 var_end++;
1940 braces = 1;
1941 }
1942
1943 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001944 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 +02001945 err_code |= ERR_ALERT | ERR_FATAL;
1946 goto next_line; /* skip current line */
1947 }
1948
1949 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
1950 var_end++;
1951
1952 save_char = *var_end;
1953 *var_end = '\0';
1954 value = getenv(var_beg);
1955 *var_end = save_char;
1956 val_len = value ? strlen(value) : 0;
1957
1958 if (braces) {
1959 if (*var_end == '}') {
1960 var_end++;
1961 braces = 0;
1962 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001963 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001964 err_code |= ERR_ALERT | ERR_FATAL;
1965 goto next_line; /* skip current line */
1966 }
1967 }
1968
1969 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
1970
1971 /* if not enough space in thisline */
1972 if (newlinesize > linesize) {
1973 char *newline;
1974
1975 newline = realloc(thisline, newlinesize * sizeof(*thisline));
1976 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001977 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001978 err_code |= ERR_ALERT | ERR_FATAL;
1979 goto next_line; /* slip current line */
1980 }
1981 /* recompute pointers if realloc returns a new pointer */
1982 if (newline != thisline) {
1983 int i;
1984 int diff;
1985
1986 for (i = 0; i <= arg; i++) {
1987 diff = args[i] - thisline;
1988 args[i] = newline + diff;
1989 }
1990
1991 diff = var_end - thisline;
1992 var_end = newline + diff;
1993 diff = end - thisline;
1994 end = newline + diff;
1995 diff = line - thisline;
1996 line = newline + diff;
1997 thisline = newline;
1998 }
1999 linesize = newlinesize;
2000 }
2001
2002 /* insert value inside the line */
2003 memmove(line + val_len, var_end, end - var_end + 1);
2004 memcpy(line, value, val_len);
2005 end += val_len - (var_end - line);
2006 line += val_len;
2007 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002008 else {
2009 line++;
2010 }
2011 }
William Lallemandb2f07452015-05-12 14:27:13 +02002012
William Lallemandf9873ba2015-05-05 17:37:14 +02002013 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002014 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002015 err_code |= ERR_ALERT | ERR_FATAL;
2016 }
2017
2018 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002019 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002020 err_code |= ERR_ALERT | ERR_FATAL;
2021 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002022
2023 /* empty line */
2024 if (!**args)
2025 continue;
2026
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002027 if (*line) {
2028 /* we had to stop due to too many args.
2029 * Let's terminate the string, print the offending part then cut the
2030 * last arg.
2031 */
2032 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2033 line++;
2034 *line = '\0';
2035
Christopher Faulet767a84b2017-11-24 16:50:31 +01002036 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2037 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002038 err_code |= ERR_ALERT | ERR_FATAL;
2039 args[arg] = line;
2040 }
2041
Willy Tarreau540abe42007-05-02 20:50:16 +02002042 /* zero out remaining args and ensure that at least one entry
2043 * is zeroed out.
2044 */
2045 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002046 args[arg] = line;
2047 }
2048
Willy Tarreau3842f002009-06-14 11:39:52 +02002049 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002050 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002051 char *tmp;
2052
Willy Tarreau3842f002009-06-14 11:39:52 +02002053 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002054 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002055 for (arg=0; *args[arg+1]; arg++)
2056 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002057 *tmp = '\0'; // fix the next arg to \0
2058 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002059 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002060 else if (!strcmp(args[0], "default")) {
2061 kwm = KWM_DEF;
2062 for (arg=0; *args[arg+1]; arg++)
2063 args[arg] = args[arg+1]; // shift args after inversion
2064 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002065
William Lallemand0f99e342011-10-12 17:50:54 +02002066 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01002067 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
2068 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 +02002069 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002070 }
2071
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002072 /* detect section start */
2073 list_for_each_entry(ics, &sections, list) {
2074 if (strcmp(args[0], ics->section_name) == 0) {
2075 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002076 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002077 cs = ics;
2078 break;
2079 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002080 }
2081
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002082 if (pcs && pcs->post_section_parser) {
2083 err_code |= pcs->post_section_parser();
2084 if (err_code & ERR_ABORT)
2085 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002086 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002087 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002088
William Lallemandd2ff56d2017-10-16 11:06:50 +02002089 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002090 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002091 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002092 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002093 err_code |= cs->section_parser(file, linenum, args, kwm);
2094 if (err_code & ERR_ABORT)
2095 goto err;
2096 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002097 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002098
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002099 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002100 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002101
2102err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002103 free(cfg_scope);
2104 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002105 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002106 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002107 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002108 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002109}
2110
Willy Tarreau64ab6072014-09-16 12:17:36 +02002111/* This function propagates processes from frontend <from> to backend <to> so
2112 * that it is always guaranteed that a backend pointed to by a frontend is
2113 * bound to all of its processes. After that, if the target is a "listen"
2114 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002115 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002116 * checked first to ensure that <to> is already bound to all processes of
2117 * <from>, there is no risk of looping and we ensure to follow the shortest
2118 * path to the destination.
2119 *
2120 * It is possible to set <to> to NULL for the first call so that the function
2121 * takes care of visiting the initial frontend in <from>.
2122 *
2123 * It is important to note that the function relies on the fact that all names
2124 * have already been resolved.
2125 */
2126void propagate_processes(struct proxy *from, struct proxy *to)
2127{
2128 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002129
2130 if (to) {
2131 /* check whether we need to go down */
2132 if (from->bind_proc &&
2133 (from->bind_proc & to->bind_proc) == from->bind_proc)
2134 return;
2135
2136 if (!from->bind_proc && !to->bind_proc)
2137 return;
2138
2139 to->bind_proc = from->bind_proc ?
2140 (to->bind_proc | from->bind_proc) : 0;
2141
2142 /* now propagate down */
2143 from = to;
2144 }
2145
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002146 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002147 return;
2148
Willy Tarreauf6b70012014-12-18 14:00:43 +01002149 if (from->state == PR_STSTOPPED)
2150 return;
2151
Willy Tarreau64ab6072014-09-16 12:17:36 +02002152 /* default_backend */
2153 if (from->defbe.be)
2154 propagate_processes(from, from->defbe.be);
2155
2156 /* use_backend */
2157 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002158 if (rule->dynamic)
2159 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002160 to = rule->be.backend;
2161 propagate_processes(from, to);
2162 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002163}
2164
Willy Tarreaubb925012009-07-23 13:36:36 +02002165/*
2166 * Returns the error code, 0 if OK, or any combination of :
2167 * - ERR_ABORT: must abort ASAP
2168 * - ERR_FATAL: we can continue parsing but not start the service
2169 * - ERR_WARN: a warning has been emitted
2170 * - ERR_ALERT: an alert has been emitted
2171 * Only the two first ones can stop processing, the two others are just
2172 * indicators.
2173 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002174int check_config_validity()
2175{
2176 int cfgerr = 0;
2177 struct proxy *curproxy = NULL;
2178 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002179 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002180 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002181 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002182 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002183 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002184 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002185
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002186 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002187 /*
2188 * Now, check for the integrity of all that we have collected.
2189 */
2190
2191 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002192 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002193
Willy Tarreau193b8c62012-11-22 00:17:38 +01002194 if (!global.tune.max_http_hdr)
2195 global.tune.max_http_hdr = MAX_HTTP_HDR;
2196
2197 if (!global.tune.cookie_len)
2198 global.tune.cookie_len = CAPTURE_LEN;
2199
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002200 if (!global.tune.requri_len)
2201 global.tune.requri_len = REQURI_LEN;
2202
Willy Tarreaubafbe012017-11-24 17:34:44 +01002203 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002204
Willy Tarreaubafbe012017-11-24 17:34:44 +01002205 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002206
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002207 /* Post initialisation of the users and groups lists. */
2208 err_code = userlist_postinit();
2209 if (err_code != ERR_NONE)
2210 goto out;
2211
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002212 /* first, we will invert the proxy list order */
2213 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002214 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002215 struct proxy *next;
2216
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002217 next = proxies_list->next;
2218 proxies_list->next = curproxy;
2219 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002220 if (!next)
2221 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002222 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002223 }
2224
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002225 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002226 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002227 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002228 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002229 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002230 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002231 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002232 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002233
Willy Tarreau050536d2012-10-04 08:47:34 +02002234 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002235 /* proxy ID not set, use automatic numbering with first
2236 * spare entry starting with next_pxid.
2237 */
2238 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2239 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2240 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002241 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002242 next_pxid++;
2243
Willy Tarreau55ea7572007-06-17 19:56:27 +02002244
Willy Tarreaubaaee002006-06-26 02:48:02 +02002245 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002246 /* ensure we don't keep listeners uselessly bound */
2247 stop_proxy(curproxy);
Willy Tarreau02df7742015-05-01 19:59:56 +02002248 free((void *)curproxy->table.peers.name);
2249 curproxy->table.peers.p = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002250 continue;
2251 }
2252
Willy Tarreau102df612014-05-07 23:56:38 +02002253 /* Check multi-process mode compatibility for the current proxy */
2254
2255 if (curproxy->bind_proc) {
2256 /* an explicit bind-process was specified, let's check how many
2257 * processes remain.
2258 */
David Carliere6c39412015-07-02 07:00:17 +00002259 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002260
Willy Tarreaua38a7172019-02-02 17:11:28 +01002261 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002262 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002263 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 +02002264 curproxy->bind_proc = 1;
2265 }
2266 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002267 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 +02002268 curproxy->bind_proc = 0;
2269 }
2270 }
2271
Willy Tarreau3d209582014-05-09 17:06:11 +02002272 /* check and reduce the bind-proc of each listener */
2273 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2274 unsigned long mask;
2275
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002276 /* HTTP frontends with "h2" as ALPN/NPN will work in
2277 * HTTP/2 and absolutely require buffers 16kB or larger.
2278 */
2279#ifdef USE_OPENSSL
2280 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2281#ifdef OPENSSL_NPN_NEGOTIATED
2282 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002283 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002284 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",
2285 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002286 cfgerr++;
2287 }
2288#endif
2289#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2290 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002291 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002292 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",
2293 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002294 cfgerr++;
2295 }
2296#endif
2297 } /* HTTP && bufsize < 16384 */
2298#endif
2299
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002300 /* detect and address thread affinity inconsistencies */
Willy Tarreau6daac192019-02-02 17:39:53 +01002301 nbproc = my_ffsl(proc_mask(bind_conf->bind_proc)) - 1;
Willy Tarreau3d957172019-02-02 18:00:17 +01002302 mask = thread_mask(bind_conf->bind_thread[nbproc]);
2303 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002304 unsigned long new_mask = 0;
2305
2306 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002307 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002308 mask >>= global.nbthread;
2309 }
2310
Willy Tarreauff9c9142019-02-07 10:39:36 +01002311 for (nbproc = 0; nbproc < MAX_PROCS; nbproc++) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002312 if (!bind_conf->bind_proc || (bind_conf->bind_proc & (1UL << nbproc)))
2313 bind_conf->bind_thread[nbproc] = new_mask;
2314 }
2315 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",
2316 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2317 }
2318
2319 /* detect process and nbproc affinity inconsistencies */
Willy Tarreau3d209582014-05-09 17:06:11 +02002320 if (!bind_conf->bind_proc)
2321 continue;
2322
Willy Tarreau6daac192019-02-02 17:39:53 +01002323 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002324 /* mask cannot be null here thanks to the previous checks */
2325
David Carliere6c39412015-07-02 07:00:17 +00002326 nbproc = my_popcountl(bind_conf->bind_proc);
Willy Tarreau3d209582014-05-09 17:06:11 +02002327 bind_conf->bind_proc &= mask;
2328
2329 if (!bind_conf->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002330 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",
2331 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002332 bind_conf->bind_proc = mask & ~(mask - 1);
2333 }
2334 else if (!bind_conf->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002335 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",
2336 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002337 bind_conf->bind_proc = 0;
2338 }
2339 }
2340
Willy Tarreauff01a212009-03-15 13:46:16 +01002341 switch (curproxy->mode) {
2342 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002343 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002344 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002345 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2346 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002347 cfgerr++;
2348 }
2349
2350 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002351 ha_warning("config : servers will be ignored for %s '%s'.\n",
2352 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002353 break;
2354
2355 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002356 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002357 break;
2358
2359 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002360 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002361 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002362
2363 case PR_MODE_CLI:
2364 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2365 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002366 }
2367
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002368 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002369 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2370 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002371 err_code |= ERR_WARN;
2372 }
2373
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002374 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002375 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002376 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002377 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2378 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002379 cfgerr++;
2380 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002381#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002382 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002383 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2384 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002385 cfgerr++;
2386 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002387#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002388 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002389 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2390 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002391 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002392 }
2393 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002394 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002395 /* If no LB algo is set in a backend, and we're not in
2396 * transparent mode, dispatch mode nor proxy mode, we
2397 * want to use balance roundrobin by default.
2398 */
2399 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2400 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002401 }
2402 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002403
Willy Tarreau1620ec32011-08-06 17:05:02 +02002404 if (curproxy->options & PR_O_DISPATCH)
2405 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2406 else if (curproxy->options & PR_O_HTTP_PROXY)
2407 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2408 else if (curproxy->options & PR_O_TRANSP)
2409 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002410
Willy Tarreau1620ec32011-08-06 17:05:02 +02002411 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2412 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002413 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2414 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002415 err_code |= ERR_WARN;
2416 curproxy->options &= ~PR_O_DISABLE404;
2417 }
2418 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002419 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2420 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002421 err_code |= ERR_WARN;
2422 curproxy->options &= ~PR_O2_CHK_SNDST;
2423 }
Willy Tarreauef781042010-01-27 11:53:01 +01002424 }
2425
Simon Horman98637e52014-06-20 12:30:16 +09002426 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2427 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002428 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2429 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002430 cfgerr++;
2431 }
2432 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002433 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2434 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002435 cfgerr++;
2436 }
2437 }
2438
Simon Horman64e34162015-02-06 11:11:57 +09002439 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002440 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002441 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2442 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2443 "'email-alert myhostname', or 'email-alert to' "
2444 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2445 "to be present).\n",
2446 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002447 err_code |= ERR_WARN;
2448 free_email_alert(curproxy);
2449 }
2450 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002451 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002452 }
2453
Simon Horman98637e52014-06-20 12:30:16 +09002454 if (curproxy->check_command) {
2455 int clear = 0;
2456 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002457 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2458 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002459 err_code |= ERR_WARN;
2460 clear = 1;
2461 }
2462 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002463 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2464 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002465 cfgerr++;
2466 }
2467 if (clear) {
2468 free(curproxy->check_command);
2469 curproxy->check_command = NULL;
2470 }
2471 }
2472
2473 if (curproxy->check_path) {
2474 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002475 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2476 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002477 err_code |= ERR_WARN;
2478 free(curproxy->check_path);
2479 curproxy->check_path = NULL;
2480 }
2481 }
2482
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002483 /* if a default backend was specified, let's find it */
2484 if (curproxy->defbe.name) {
2485 struct proxy *target;
2486
Willy Tarreauafb39922015-05-26 12:04:09 +02002487 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002488 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002489 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2490 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002491 cfgerr++;
2492 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002493 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2494 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002495 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002496 } else if (target->mode != curproxy->mode &&
2497 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2498
Christopher Faulet767a84b2017-11-24 16:50:31 +01002499 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2500 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2501 curproxy->conf.file, curproxy->conf.line,
2502 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2503 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002504 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002505 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2506 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",
2507 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2508 curproxy->conf.file, curproxy->conf.line,
2509 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2510 target->conf.file, target->conf.line);
2511 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002512 } else {
2513 free(curproxy->defbe.name);
2514 curproxy->defbe.be = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002515 /* Update tot_fe_maxconn for a further fullconn's computation */
2516 target->tot_fe_maxconn += curproxy->maxconn;
Willy Tarreauff678132012-02-13 14:32:34 +01002517 /* Emit a warning if this proxy also has some servers */
2518 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002519 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2520 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002521 err_code |= ERR_WARN;
2522 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002523 }
2524 }
2525
Emeric Brun3f783572017-01-12 11:21:28 +01002526 if (!curproxy->defbe.be && (curproxy->cap & PR_CAP_LISTEN) == PR_CAP_LISTEN) {
2527 /* Case of listen without default backend
2528 * The curproxy will be its own default backend
2529 * so we update tot_fe_maxconn for a further
2530 * fullconn's computation */
2531 curproxy->tot_fe_maxconn += curproxy->maxconn;
2532 }
2533
Willy Tarreau55ea7572007-06-17 19:56:27 +02002534 /* find the target proxy for 'use_backend' rules */
2535 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002536 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002537 struct logformat_node *node;
2538 char *pxname;
2539
2540 /* Try to parse the string as a log format expression. If the result
2541 * of the parsing is only one entry containing a simple string, then
2542 * it's a standard string corresponding to a static rule, thus the
2543 * parsing is cancelled and be.name is restored to be resolved.
2544 */
2545 pxname = rule->be.name;
2546 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002547 curproxy->conf.args.ctx = ARGC_UBK;
2548 curproxy->conf.args.file = rule->file;
2549 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002550 err = NULL;
2551 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002552 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2553 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002554 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002555 cfgerr++;
2556 continue;
2557 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002558 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2559
2560 if (!LIST_ISEMPTY(&rule->be.expr)) {
2561 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2562 rule->dynamic = 1;
2563 free(pxname);
2564 continue;
2565 }
2566 /* simple string: free the expression and fall back to static rule */
2567 free(node->arg);
2568 free(node);
2569 }
2570
2571 rule->dynamic = 0;
2572 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002573
Willy Tarreauafb39922015-05-26 12:04:09 +02002574 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002575 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002576 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2577 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002578 cfgerr++;
2579 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002580 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2581 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002582 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002583 } else if (target->mode != curproxy->mode &&
2584 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2585
Christopher Faulet767a84b2017-11-24 16:50:31 +01002586 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2587 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2588 curproxy->conf.file, curproxy->conf.line,
2589 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2590 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002591 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002592 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2593 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",
2594 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2595 curproxy->conf.file, curproxy->conf.line,
2596 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2597 target->conf.file, target->conf.line);
2598 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002599 } else {
2600 free((void *)rule->be.name);
2601 rule->be.backend = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002602 /* For each target of switching rules, we update
2603 * their tot_fe_maxconn, except if a previous rule point
2604 * on the same backend or on the default backend */
2605 if (rule->be.backend != curproxy->defbe.be) {
2606 struct switching_rule *swrule;
2607
2608 list_for_each_entry(swrule, &curproxy->switching_rules, list) {
2609 if (rule == swrule) {
2610 target->tot_fe_maxconn += curproxy->maxconn;
2611 break;
2612 }
2613 else if (!swrule->dynamic && swrule->be.backend == rule->be.backend) {
2614 /* there is multiple ref of this backend */
2615 break;
2616 }
2617 }
2618 }
Willy Tarreau55ea7572007-06-17 19:56:27 +02002619 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002620 }
2621
Willy Tarreau64ab6072014-09-16 12:17:36 +02002622 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002623 list_for_each_entry(srule, &curproxy->server_rules, list) {
2624 struct server *target = findserver(curproxy, srule->srv.name);
2625
2626 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002627 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2628 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002629 cfgerr++;
2630 continue;
2631 }
2632 free((void *)srule->srv.name);
2633 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002634 }
2635
Emeric Brunb982a3d2010-01-04 15:45:53 +01002636 /* find the target table for 'stick' rules */
2637 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
2638 struct proxy *target;
2639
Emeric Brun1d33b292010-01-04 15:47:17 +01002640 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2641 if (mrule->flags & STK_IS_STORE)
2642 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2643
Emeric Brunb982a3d2010-01-04 15:45:53 +01002644 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002645 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002646 else
2647 target = curproxy;
2648
2649 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002650 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
2651 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002652 cfgerr++;
2653 }
2654 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002655 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2656 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002657 cfgerr++;
2658 }
Willy Tarreau12785782012-04-27 21:37:17 +02002659 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002660 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2661 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002662 cfgerr++;
2663 }
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002664 else if (curproxy->bind_proc & ~target->bind_proc) {
2665 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2666 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002667 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002668 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002669 else {
2670 free((void *)mrule->table.name);
2671 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002672 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002673 }
2674 }
2675
2676 /* find the target table for 'store response' rules */
2677 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
2678 struct proxy *target;
2679
Emeric Brun1d33b292010-01-04 15:47:17 +01002680 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2681
Emeric Brunb982a3d2010-01-04 15:45:53 +01002682 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002683 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002684 else
2685 target = curproxy;
2686
2687 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002688 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
2689 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002690 cfgerr++;
2691 }
2692 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002693 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2694 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002695 cfgerr++;
2696 }
Willy Tarreau12785782012-04-27 21:37:17 +02002697 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002698 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2699 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002700 cfgerr++;
2701 }
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002702 else if (curproxy->bind_proc & ~target->bind_proc) {
2703 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2704 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002705 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002706 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002707 else {
2708 free((void *)mrule->table.name);
2709 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002710 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002711 }
2712 }
2713
Christopher Faulete4e830d2017-09-18 14:51:41 +02002714 /* check validity for 'tcp-request' layer 4 rules */
2715 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2716 err = NULL;
2717 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002718 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002719 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002720 cfgerr++;
2721 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002722 }
2723
Christopher Faulete4e830d2017-09-18 14:51:41 +02002724 /* check validity for 'tcp-request' layer 5 rules */
2725 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2726 err = NULL;
2727 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002728 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002729 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002730 cfgerr++;
2731 }
2732 }
2733
Christopher Faulete4e830d2017-09-18 14:51:41 +02002734 /* check validity for 'tcp-request' layer 6 rules */
2735 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2736 err = NULL;
2737 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002738 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002739 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002740 cfgerr++;
2741 }
2742 }
2743
Christopher Faulete4e830d2017-09-18 14:51:41 +02002744 /* check validity for 'http-request' layer 7 rules */
2745 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2746 err = NULL;
2747 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002748 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002749 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002750 cfgerr++;
2751 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002752 }
2753
Christopher Faulete4e830d2017-09-18 14:51:41 +02002754 /* check validity for 'http-response' layer 7 rules */
2755 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2756 err = NULL;
2757 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002758 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002759 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002760 cfgerr++;
2761 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002762 }
2763
Willy Tarreaub3dc39d2014-04-28 22:06:57 +02002764 /* move any "block" rules at the beginning of the http-request rules */
2765 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
2766 /* insert block_rules into http_req_rules at the beginning */
2767 curproxy->block_rules.p->n = curproxy->http_req_rules.n;
2768 curproxy->http_req_rules.n->p = curproxy->block_rules.p;
2769 curproxy->block_rules.n->p = &curproxy->http_req_rules;
2770 curproxy->http_req_rules.n = curproxy->block_rules.n;
2771 LIST_INIT(&curproxy->block_rules);
2772 }
2773
Emeric Brun32da3c42010-09-23 18:39:19 +02002774 if (curproxy->table.peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002775 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002776
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002777 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +02002778 if (strcmp(curpeers->id, curproxy->table.peers.name) == 0) {
2779 free((void *)curproxy->table.peers.name);
Willy Tarreau973ca492013-01-17 21:34:52 +01002780 curproxy->table.peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002781 break;
2782 }
2783 }
2784
2785 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002786 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
2787 curproxy->id, curproxy->table.peers.name);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002788 free((void *)curproxy->table.peers.name);
2789 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002790 cfgerr++;
2791 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002792 else if (curpeers->state == PR_STSTOPPED) {
2793 /* silently disable this peers section */
2794 curproxy->table.peers.p = NULL;
2795 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002796 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002797 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2798 curproxy->id, localpeer, curpeers->id);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002799 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002800 cfgerr++;
2801 }
2802 }
2803
Simon Horman9dc49962015-01-30 11:22:59 +09002804
2805 if (curproxy->email_alert.mailers.name) {
2806 struct mailers *curmailers = mailers;
2807
2808 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002809 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002810 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002811 }
Simon Horman9dc49962015-01-30 11:22:59 +09002812 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002813 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2814 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002815 free_email_alert(curproxy);
2816 cfgerr++;
2817 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002818 else {
2819 err = NULL;
2820 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002821 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002822 free(err);
2823 cfgerr++;
2824 }
2825 }
Simon Horman9dc49962015-01-30 11:22:59 +09002826 }
2827
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002828 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & ST_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002829 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002830 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002831 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2832 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002833 cfgerr++;
2834 goto out_uri_auth_compat;
2835 }
2836
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002837 if (curproxy->uri_auth && curproxy->uri_auth->userlist && !(curproxy->uri_auth->flags & ST_CONVDONE)) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002838 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002839 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002840 int i = 0;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002841
Willy Tarreau95fa4692010-02-01 13:05:50 +01002842 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2843 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002844
2845 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002846 uri_auth_compat_req[i++] = "realm";
2847 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2848 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002849
Willy Tarreau95fa4692010-02-01 13:05:50 +01002850 uri_auth_compat_req[i++] = "unless";
2851 uri_auth_compat_req[i++] = "{";
2852 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2853 uri_auth_compat_req[i++] = "}";
2854 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002855
Willy Tarreauff011f22011-01-06 17:51:27 +01002856 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2857 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002858 cfgerr++;
2859 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002860 }
2861
Willy Tarreauff011f22011-01-06 17:51:27 +01002862 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002863
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002864 if (curproxy->uri_auth->auth_realm) {
2865 free(curproxy->uri_auth->auth_realm);
2866 curproxy->uri_auth->auth_realm = NULL;
2867 }
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002868
2869 curproxy->uri_auth->flags |= ST_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002870 }
2871out_uri_auth_compat:
2872
Dragan Dosen43885c72015-10-01 13:18:13 +02002873 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002874 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002875 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2876 if (!curproxy->conf.logformat_sd_string) {
2877 /* set the default logformat_sd_string */
2878 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2879 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002880 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002881 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002882 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002883
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002884 /* compile the log format */
2885 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002886 if (curproxy->conf.logformat_string != default_http_log_format &&
2887 curproxy->conf.logformat_string != default_tcp_log_format &&
2888 curproxy->conf.logformat_string != clf_http_log_format)
2889 free(curproxy->conf.logformat_string);
2890 curproxy->conf.logformat_string = NULL;
2891 free(curproxy->conf.lfs_file);
2892 curproxy->conf.lfs_file = NULL;
2893 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002894
2895 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2896 free(curproxy->conf.logformat_sd_string);
2897 curproxy->conf.logformat_sd_string = NULL;
2898 free(curproxy->conf.lfsd_file);
2899 curproxy->conf.lfsd_file = NULL;
2900 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002901 }
2902
Willy Tarreau62a61232013-04-12 18:13:46 +02002903 if (curproxy->conf.logformat_string) {
2904 curproxy->conf.args.ctx = ARGC_LOG;
2905 curproxy->conf.args.file = curproxy->conf.lfs_file;
2906 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002907 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002908 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002909 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002910 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2911 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002912 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002913 cfgerr++;
2914 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002915 curproxy->conf.args.file = NULL;
2916 curproxy->conf.args.line = 0;
2917 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002918
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002919 if (curproxy->conf.logformat_sd_string) {
2920 curproxy->conf.args.ctx = ARGC_LOGSD;
2921 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2922 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002923 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002924 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 +01002925 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002926 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2927 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002928 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002929 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002930 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002931 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2932 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002933 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002934 cfgerr++;
2935 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002936 curproxy->conf.args.file = NULL;
2937 curproxy->conf.args.line = 0;
2938 }
2939
Willy Tarreau62a61232013-04-12 18:13:46 +02002940 if (curproxy->conf.uniqueid_format_string) {
2941 curproxy->conf.args.ctx = ARGC_UIF;
2942 curproxy->conf.args.file = curproxy->conf.uif_file;
2943 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002944 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002945 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 +01002946 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002947 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2948 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002949 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002950 cfgerr++;
2951 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002952 curproxy->conf.args.file = NULL;
2953 curproxy->conf.args.line = 0;
2954 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002955
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002956 /* only now we can check if some args remain unresolved.
2957 * This must be done after the users and groups resolution.
2958 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002959 cfgerr += smp_resolve_args(curproxy);
2960 if (!cfgerr)
2961 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002962
Willy Tarreau2738a142006-07-08 17:28:09 +02002963 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002964 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002965 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002966 (!curproxy->timeout.connect ||
2967 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002968 ha_warning("config : missing timeouts for %s '%s'.\n"
2969 " | While not properly invalid, you will certainly encounter various problems\n"
2970 " | with such a configuration. To fix this, please ensure that all following\n"
2971 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2972 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002973 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002974 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002975
Willy Tarreau1fa31262007-12-03 00:36:16 +01002976 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2977 * We must still support older configurations, so let's find out whether those
2978 * parameters have been set or must be copied from contimeouts.
2979 */
2980 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002981 if (!curproxy->timeout.tarpit ||
2982 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002983 /* tarpit timeout not set. We search in the following order:
2984 * default.tarpit, curr.connect, default.connect.
2985 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002986 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01002987 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002988 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002989 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002990 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002991 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002992 }
2993 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002994 (!curproxy->timeout.queue ||
2995 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002996 /* queue timeout not set. We search in the following order:
2997 * default.queue, curr.connect, default.connect.
2998 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002999 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01003000 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003001 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003002 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003003 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01003004 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003005 }
3006 }
3007
Willy Tarreau1620ec32011-08-06 17:05:02 +02003008 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_SSL3_CHK) {
Willy Tarreau137325d2010-02-01 16:38:17 +01003009 curproxy->check_len = sizeof(sslv3_client_hello_pkt) - 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02003010 curproxy->check_req = malloc(curproxy->check_len);
Willy Tarreau137325d2010-02-01 16:38:17 +01003011 memcpy(curproxy->check_req, sslv3_client_hello_pkt, curproxy->check_len);
Willy Tarreauf3c69202006-07-09 16:42:34 +02003012 }
3013
Willy Tarreau215663d2014-06-13 18:30:23 +02003014 if (!LIST_ISEMPTY(&curproxy->tcpcheck_rules) &&
3015 (curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_TCPCHK_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003016 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3017 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003018 err_code |= ERR_WARN;
3019 }
3020
Willy Tarreau193b8c62012-11-22 00:17:38 +01003021 /* ensure that cookie capture length is not too large */
3022 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003023 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3024 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003025 err_code |= ERR_WARN;
3026 curproxy->capture_len = global.tune.cookie_len - 1;
3027 }
3028
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003029 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003030 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003031 curproxy->req_cap_pool = create_pool("ptrcap",
3032 curproxy->nb_req_cap * sizeof(char *),
3033 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003034 }
3035
3036 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003037 curproxy->rsp_cap_pool = create_pool("ptrcap",
3038 curproxy->nb_rsp_cap * sizeof(char *),
3039 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003040 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003041
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003042 switch (curproxy->load_server_state_from_file) {
3043 case PR_SRV_STATE_FILE_UNSPEC:
3044 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3045 break;
3046 case PR_SRV_STATE_FILE_GLOBAL:
3047 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003048 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",
3049 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003050 err_code |= ERR_WARN;
3051 }
3052 break;
3053 }
3054
Willy Tarreaubaaee002006-06-26 02:48:02 +02003055 /* first, we will invert the servers list order */
3056 newsrv = NULL;
3057 while (curproxy->srv) {
3058 struct server *next;
3059
3060 next = curproxy->srv->next;
3061 curproxy->srv->next = newsrv;
3062 newsrv = curproxy->srv;
3063 if (!next)
3064 break;
3065 curproxy->srv = next;
3066 }
3067
Willy Tarreau17edc812014-01-03 12:14:34 +01003068 /* Check that no server name conflicts. This causes trouble in the stats.
3069 * We only emit a warning for the first conflict affecting each server,
3070 * in order to avoid combinatory explosion if all servers have the same
3071 * name. We do that only for servers which do not have an explicit ID,
3072 * because these IDs were made also for distinguishing them and we don't
3073 * want to annoy people who correctly manage them.
3074 */
3075 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3076 struct server *other_srv;
3077
3078 if (newsrv->puid)
3079 continue;
3080
3081 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3082 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003083 ha_warning("parsing [%s:%d] : %s '%s', another server named '%s' was defined without an explicit ID at line %d, this is not recommended.\n",
3084 newsrv->conf.file, newsrv->conf.line,
3085 proxy_type_str(curproxy), curproxy->id,
3086 newsrv->id, other_srv->conf.line);
Willy Tarreau17edc812014-01-03 12:14:34 +01003087 break;
3088 }
3089 }
3090 }
3091
Willy Tarreaudd701652010-05-25 23:03:02 +02003092 /* assign automatic UIDs to servers which don't have one yet */
3093 next_id = 1;
3094 newsrv = curproxy->srv;
3095 while (newsrv != NULL) {
3096 if (!newsrv->puid) {
3097 /* server ID not set, use automatic numbering with first
3098 * spare entry starting with next_svid.
3099 */
3100 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3101 newsrv->conf.id.key = newsrv->puid = next_id;
3102 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
3103 }
3104 next_id++;
3105 newsrv = newsrv->next;
3106 }
3107
Willy Tarreau20697042007-11-15 23:26:18 +01003108 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003109 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003110
Willy Tarreau62c3be22012-01-20 13:12:32 +01003111 /*
3112 * If this server supports a maxconn parameter, it needs a dedicated
3113 * tasks to fill the emptied slots when a connection leaves.
3114 * Also, resolve deferred tracking dependency if needed.
3115 */
3116 newsrv = curproxy->srv;
3117 while (newsrv != NULL) {
3118 if (newsrv->minconn > newsrv->maxconn) {
3119 /* Only 'minconn' was specified, or it was higher than or equal
3120 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3121 * this will avoid further useless expensive computations.
3122 */
3123 newsrv->maxconn = newsrv->minconn;
3124 } else if (newsrv->maxconn && !newsrv->minconn) {
3125 /* minconn was not specified, so we set it to maxconn */
3126 newsrv->minconn = newsrv->maxconn;
3127 }
3128
Willy Tarreau17d45382016-12-22 21:16:08 +01003129 /* this will also properly set the transport layer for prod and checks */
3130 if (newsrv->use_ssl || newsrv->check.use_ssl) {
3131 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3132 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3133 }
Emeric Brun94324a42012-10-11 14:00:19 +02003134
Willy Tarreau2f075e92013-12-03 11:11:34 +01003135 /* set the check type on the server */
3136 newsrv->check.type = curproxy->options2 & PR_O2_CHK_ANY;
3137
Willy Tarreau62c3be22012-01-20 13:12:32 +01003138 if (newsrv->trackit) {
3139 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003140 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003141 char *pname, *sname;
3142
3143 pname = newsrv->trackit;
3144 sname = strrchr(pname, '/');
3145
3146 if (sname)
3147 *sname++ = '\0';
3148 else {
3149 sname = pname;
3150 pname = NULL;
3151 }
3152
3153 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003154 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003155 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003156 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3157 proxy_type_str(curproxy), curproxy->id,
3158 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003159 cfgerr++;
3160 goto next_srv;
3161 }
3162 } else
3163 px = curproxy;
3164
3165 srv = findserver(px, sname);
3166 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003167 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3168 proxy_type_str(curproxy), curproxy->id,
3169 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003170 cfgerr++;
3171 goto next_srv;
3172 }
3173
Willy Tarreau32091232014-05-16 13:52:00 +02003174 if (!(srv->check.state & CHK_ST_CONFIGURED) &&
3175 !(srv->agent.state & CHK_ST_CONFIGURED) &&
3176 !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003177 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3178 "tracking as it does not have any check nor agent enabled.\n",
3179 proxy_type_str(curproxy), curproxy->id,
3180 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003181 cfgerr++;
3182 goto next_srv;
3183 }
3184
3185 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3186
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003187 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003188 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3189 "belongs to a tracking chain looping back to %s/%s.\n",
3190 proxy_type_str(curproxy), curproxy->id,
3191 newsrv->id, px->id, srv->id, px->id,
3192 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003193 cfgerr++;
3194 goto next_srv;
3195 }
3196
3197 if (curproxy != px &&
3198 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003199 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3200 "tracking: disable-on-404 option inconsistency.\n",
3201 proxy_type_str(curproxy), curproxy->id,
3202 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003203 cfgerr++;
3204 goto next_srv;
3205 }
3206
Willy Tarreau62c3be22012-01-20 13:12:32 +01003207 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003208 newsrv->tracknext = srv->trackers;
3209 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003210
3211 free(newsrv->trackit);
3212 newsrv->trackit = NULL;
3213 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003214
Willy Tarreau62c3be22012-01-20 13:12:32 +01003215 next_srv:
3216 newsrv = newsrv->next;
3217 }
3218
Olivier Houchard4e694042017-03-14 20:01:29 +01003219 /*
3220 * Try to generate dynamic cookies for servers now.
3221 * It couldn't be done earlier, since at the time we parsed
3222 * the server line, we may not have known yet that we
3223 * should use dynamic cookies, or the secret key may not
3224 * have been provided yet.
3225 */
3226 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3227 newsrv = curproxy->srv;
3228 while (newsrv != NULL) {
3229 srv_set_dyncookie(newsrv);
3230 newsrv = newsrv->next;
3231 }
3232
3233 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003234 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003235 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003236 */
3237
3238 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3239 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3240 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003241 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3242 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3243 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003244 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3245 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3246 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003247 } else {
3248 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3249 fwrr_init_server_groups(curproxy);
3250 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003251 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003252
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003253 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003254 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3255 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3256 fwlc_init_server_tree(curproxy);
3257 } else {
3258 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3259 fas_init_server_tree(curproxy);
3260 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003261 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003262
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003263 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003264 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3265 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3266 chash_init_server_tree(curproxy);
3267 } else {
3268 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3269 init_server_map(curproxy);
3270 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003271 break;
3272 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003273 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003274
3275 if (curproxy->options & PR_O_LOGASAP)
3276 curproxy->to_log &= ~LW_BYTES;
3277
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003278 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003279 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3280 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003281 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3282 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003283 err_code |= ERR_WARN;
3284 }
3285
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003286 if (curproxy->mode != PR_MODE_HTTP) {
3287 int optnum;
3288
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003289 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003290 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3291 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003292 err_code |= ERR_WARN;
3293 curproxy->uri_auth = NULL;
3294 }
3295
Willy Tarreaude7dc882017-03-10 11:49:21 +01003296 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003297 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3298 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003299 err_code |= ERR_WARN;
3300 }
3301
3302 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003303 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3304 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003305 err_code |= ERR_WARN;
3306 }
3307
3308 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003309 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3310 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003311 err_code |= ERR_WARN;
3312 }
3313
3314 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003315 ha_warning("config : 'block' rules ignored for %s '%s' as they require HTTP mode.\n",
3316 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003317 err_code |= ERR_WARN;
3318 }
3319
3320 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003321 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3322 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003323 err_code |= ERR_WARN;
3324 }
3325
Willy Tarreau87cf5142011-08-19 22:57:24 +02003326 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003327 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3328 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003329 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003330 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003331 }
3332
3333 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003334 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3335 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003336 err_code |= ERR_WARN;
3337 curproxy->options &= ~PR_O_ORGTO;
3338 }
3339
3340 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3341 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3342 (curproxy->cap & cfg_opts[optnum].cap) &&
3343 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003344 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3345 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003346 err_code |= ERR_WARN;
3347 curproxy->options &= ~cfg_opts[optnum].val;
3348 }
3349 }
3350
3351 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3352 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3353 (curproxy->cap & cfg_opts2[optnum].cap) &&
3354 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003355 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3356 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003357 err_code |= ERR_WARN;
3358 curproxy->options2 &= ~cfg_opts2[optnum].val;
3359 }
3360 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003361
Willy Tarreau29fbe512015-08-20 19:35:14 +02003362#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003363 if (curproxy->conn_src.bind_hdr_occ) {
3364 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003365 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3366 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003367 err_code |= ERR_WARN;
3368 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003369#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003370 }
3371
Willy Tarreaubaaee002006-06-26 02:48:02 +02003372 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003373 * ensure that we're not cross-dressing a TCP server into HTTP.
3374 */
3375 newsrv = curproxy->srv;
3376 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003377 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003378 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3379 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003380 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003381 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003382
Willy Tarreau0cec3312011-10-31 13:49:26 +01003383 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003384 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3385 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003386 err_code |= ERR_WARN;
3387 }
3388
Willy Tarreauc93cd162014-05-13 15:54:22 +02003389 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003390 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3391 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003392 err_code |= ERR_WARN;
3393 }
3394
Willy Tarreau29fbe512015-08-20 19:35:14 +02003395#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003396 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3397 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003398 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3399 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003400 err_code |= ERR_WARN;
3401 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003402#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003403
Willy Tarreau46deab62018-04-28 07:18:15 +02003404 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3405 curproxy->options &= ~PR_O_REUSE_MASK;
3406
Willy Tarreau21d2af32008-02-14 20:25:24 +01003407 newsrv = newsrv->next;
3408 }
3409
Willy Tarreaue42bd962014-09-16 16:21:19 +02003410 /* check if we have a frontend with "tcp-request content" looking at L7
3411 * with no inspect-delay
3412 */
3413 if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
Christopher Faulete4e830d2017-09-18 14:51:41 +02003414 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
3415 if (arule->action == ACT_TCP_CAPTURE &&
3416 !(arule->arg.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003417 break;
Christopher Faulete4e830d2017-09-18 14:51:41 +02003418 if ((arule->action >= ACT_ACTION_TRK_SC0 && arule->action <= ACT_ACTION_TRK_SCMAX) &&
3419 !(arule->arg.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003420 break;
3421 }
3422
Christopher Faulete4e830d2017-09-18 14:51:41 +02003423 if (&arule->list != &curproxy->tcp_req.inspect_rules) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003424 ha_warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
3425 " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
3426 " This means that these rules will randomly find their contents. This can be fixed by"
3427 " setting the tcp-request inspect-delay.\n",
3428 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue42bd962014-09-16 16:21:19 +02003429 err_code |= ERR_WARN;
3430 }
3431 }
3432
Christopher Fauletd7c91962015-04-30 11:48:27 +02003433 /* Check filter configuration, if any */
3434 cfgerr += flt_check(curproxy);
3435
Willy Tarreauc1a21672009-08-16 22:37:44 +02003436 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003437 if (!curproxy->accept)
3438 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003439
Willy Tarreauc1a21672009-08-16 22:37:44 +02003440 if (curproxy->tcp_req.inspect_delay ||
3441 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003442 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003443
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003444 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003445 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003446 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003447 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003448
William Lallemandcf62f7e2018-10-26 14:47:40 +02003449 if (curproxy->mode == PR_MODE_CLI) {
3450 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3451 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3452 }
3453
Willy Tarreauc1a21672009-08-16 22:37:44 +02003454 /* both TCP and HTTP must check switching rules */
3455 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003456
3457 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003458 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003459 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3460 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 +01003461 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003462 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3463 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003464 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003465 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003466 }
3467
3468 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003469 if (curproxy->tcp_req.inspect_delay ||
3470 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3471 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3472
Emeric Brun97679e72010-09-23 17:56:44 +02003473 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3474 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3475
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003476 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003477 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003478 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003479 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003480
3481 /* If the backend does requires RDP cookie persistence, we have to
3482 * enable the corresponding analyser.
3483 */
3484 if (curproxy->options2 & PR_O2_RDPC_PRST)
3485 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003486
3487 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003488 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003489 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3490 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 +01003491 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003492 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3493 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003494 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003495 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003496 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003497
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003498 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003499 * attached to the current proxy */
3500 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3501 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003502 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003503
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003504 /* Special case for HTX because it is still experimental */
3505 if (curproxy->options2 & PR_O2_USE_HTX)
3506 mode = PROTO_MODE_HTX;
3507
Christopher Fauleta717b992018-04-10 14:43:00 +02003508 if (!bind_conf->mux_proto)
3509 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003510
3511 /* it is possible that an incorrect mux was referenced
3512 * due to the proxy's mode not being taken into account
3513 * on first pass. Let's adjust it now.
3514 */
3515 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3516
3517 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003518 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3519 proxy_type_str(curproxy), curproxy->id,
3520 (int)bind_conf->mux_proto->token.len,
3521 bind_conf->mux_proto->token.ptr,
3522 bind_conf->arg, bind_conf->file, bind_conf->line);
3523 cfgerr++;
3524 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003525
3526 /* update the mux */
3527 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003528 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003529 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3530 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003531 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003532
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003533 /* Special case for HTX because it is still experimental */
3534 if (curproxy->options2 & PR_O2_USE_HTX)
3535 mode = PROTO_MODE_HTX;
3536
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003537 if (!newsrv->mux_proto)
3538 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003539
3540 /* it is possible that an incorrect mux was referenced
3541 * due to the proxy's mode not being taken into account
3542 * on first pass. Let's adjust it now.
3543 */
3544 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3545
3546 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003547 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3548 proxy_type_str(curproxy), curproxy->id,
3549 (int)newsrv->mux_proto->token.len,
3550 newsrv->mux_proto->token.ptr,
3551 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3552 cfgerr++;
3553 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003554
3555 /* update the mux */
3556 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003557 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003558
3559 /* initialize idle conns lists */
3560 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3561 int i;
3562
3563 newsrv->priv_conns = calloc(global.nbthread, sizeof(*newsrv->priv_conns));
3564 newsrv->idle_conns = calloc(global.nbthread, sizeof(*newsrv->idle_conns));
3565 newsrv->safe_conns = calloc(global.nbthread, sizeof(*newsrv->safe_conns));
3566
3567 if (!newsrv->priv_conns || !newsrv->idle_conns || !newsrv->safe_conns) {
Willy Tarreau980855b2019-02-07 14:59:29 +01003568 free(newsrv->safe_conns); newsrv->safe_conns = NULL;
3569 free(newsrv->idle_conns); newsrv->idle_conns = NULL;
3570 free(newsrv->priv_conns); newsrv->priv_conns = NULL;
Willy Tarreau835daa12019-02-07 14:46:29 +01003571 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3572 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3573 cfgerr++;
3574 continue;
3575 }
3576
3577 for (i = 0; i < global.nbthread; i++) {
3578 LIST_INIT(&newsrv->priv_conns[i]);
3579 LIST_INIT(&newsrv->idle_conns[i]);
3580 LIST_INIT(&newsrv->safe_conns[i]);
3581 }
Willy Tarreau980855b2019-02-07 14:59:29 +01003582
3583 if (newsrv->max_idle_conns != 0) {
3584 newsrv->idle_orphan_conns = calloc(global.nbthread, sizeof(*newsrv->idle_orphan_conns));
3585 newsrv->idle_task = calloc(global.nbthread, sizeof(*newsrv->idle_task));
3586 if (!newsrv->idle_orphan_conns || !newsrv->idle_task)
3587 goto err;
3588 for (i = 0; i < global.nbthread; i++) {
3589 LIST_INIT(&newsrv->idle_orphan_conns[i]);
3590 newsrv->idle_task[i] = task_new(1 << i);
3591 if (!newsrv->idle_task[i])
3592 goto err;
3593 newsrv->idle_task[i]->process = srv_cleanup_idle_connections;
3594 newsrv->idle_task[i]->context = newsrv;
3595 }
Olivier Houchardf1314812019-02-18 16:41:17 +01003596 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(int));
3597 if (!newsrv->curr_idle_thr)
3598 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003599 continue;
3600 err:
3601 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3602 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3603 cfgerr++;
3604 continue;
3605 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003606 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003607 }
3608
3609 /***********************************************************/
3610 /* At this point, target names have already been resolved. */
3611 /***********************************************************/
3612
3613 /* Check multi-process mode compatibility */
3614
3615 if (global.nbproc > 1 && global.stats_fe) {
3616 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3617 unsigned long mask;
3618
Willy Tarreau6daac192019-02-02 17:39:53 +01003619 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
3620 mask &= proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003621
3622 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003623 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003624 break;
3625 }
3626 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003627 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 +02003628 }
3629 }
3630
3631 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003632 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003633 if (curproxy->bind_proc)
3634 continue;
3635
3636 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3637 unsigned long mask;
3638
Willy Tarreau6daac192019-02-02 17:39:53 +01003639 mask = proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003640 curproxy->bind_proc |= mask;
3641 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003642 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003643 }
3644
3645 if (global.stats_fe) {
3646 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3647 unsigned long mask;
3648
Cyril Bonté06181952016-02-24 00:14:54 +01003649 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003650 global.stats_fe->bind_proc |= mask;
3651 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003652 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003653 }
3654
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003655 /* propagate bindings from frontends to backends. Don't do it if there
3656 * are any fatal errors as we must not call it with unresolved proxies.
3657 */
3658 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003659 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003660 if (curproxy->cap & PR_CAP_FE)
3661 propagate_processes(curproxy, NULL);
3662 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003663 }
3664
3665 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003666 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3667 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003668
3669 /*******************************************************/
3670 /* At this step, all proxies have a non-null bind_proc */
3671 /*******************************************************/
3672
3673 /* perform the final checks before creating tasks */
3674
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003675 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003676 struct listener *listener;
3677 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003678
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003679 /* Configure SSL for each bind line.
3680 * Note: if configuration fails at some point, the ->ctx member
3681 * remains NULL so that listeners can later detach.
3682 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003683 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003684 if (bind_conf->xprt->prepare_bind_conf &&
3685 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003686 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003687 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003688
Willy Tarreaue6b98942007-10-29 01:09:36 +01003689 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003690 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003691 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003692 int nbproc;
3693
3694 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003695 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003696 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003697
3698 if (!nbproc) /* no intersection between listener and frontend */
3699 nbproc = 1;
3700
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003701 if (!listener->luid) {
3702 /* listener ID not set, use automatic numbering with first
3703 * spare entry starting with next_luid.
3704 */
3705 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3706 listener->conf.id.key = listener->luid = next_id;
3707 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003708 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003709 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003710
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003711 /* enable separate counters */
3712 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003713 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003714 if (!listener->name)
3715 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003716 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003717
Willy Tarreaue6b98942007-10-29 01:09:36 +01003718 if (curproxy->options & PR_O_TCP_NOLING)
3719 listener->options |= LI_O_NOLINGER;
Willy Tarreau32368ce2012-09-06 11:10:55 +02003720 if (!listener->maxconn)
3721 listener->maxconn = curproxy->maxconn;
3722 if (!listener->backlog)
3723 listener->backlog = curproxy->backlog;
Willy Tarreau16a21472012-11-19 12:39:59 +01003724 if (!listener->maxaccept)
3725 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3726
3727 /* we want to have an optimal behaviour on single process mode to
3728 * maximize the work at once, but in multi-process we want to keep
3729 * some fairness between processes, so we target half of the max
3730 * number of events to be balanced over all the processes the proxy
3731 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3732 * used to disable the limit.
3733 */
3734 if (listener->maxaccept > 0) {
3735 if (nbproc > 1)
3736 listener->maxaccept = (listener->maxaccept + 1) / 2;
3737 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3738 }
3739
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003740 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003741 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003742 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003743
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003744 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003745 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003746
Willy Tarreau620408f2016-10-21 16:37:51 +02003747 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3748 listener->options |= LI_O_TCP_L5_RULES;
3749
Willy Tarreaude3041d2010-05-31 10:56:17 +02003750 if (curproxy->mon_mask.s_addr)
3751 listener->options |= LI_O_CHK_MONNET;
3752
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003753 /* smart accept mode is automatic in HTTP mode */
3754 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003755 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003756 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3757 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003758 }
3759
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003760 /* Release unused SSL configs */
3761 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003762 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3763 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003764 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003765
Willy Tarreaua38a7172019-02-02 17:11:28 +01003766 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003767 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003768 int count, maxproc = 0;
3769
3770 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003771 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003772 if (count > maxproc)
3773 maxproc = count;
3774 }
3775 /* backends have 0, frontends have 1 or more */
3776 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003777 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3778 " limited to process assigned to the current request.\n",
3779 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003780
Willy Tarreau102df612014-05-07 23:56:38 +02003781 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003782 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3783 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003784 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003785 }
Willy Tarreau102df612014-05-07 23:56:38 +02003786 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003787 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3788 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003789 }
3790 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003791
3792 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003793 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003794 if (curproxy->task) {
3795 curproxy->task->context = curproxy;
3796 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003797 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003798 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3799 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003800 cfgerr++;
3801 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003802 }
3803
Willy Tarreaufbb78422011-06-05 15:38:35 +02003804 /* automatically compute fullconn if not set. We must not do it in the
3805 * loop above because cross-references are not yet fully resolved.
3806 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003807 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003808 /* If <fullconn> is not set, let's set it to 10% of the sum of
3809 * the possible incoming frontend's maxconns.
3810 */
3811 if (!curproxy->fullconn && (curproxy->cap & PR_CAP_BE)) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003812 /* we have the sum of the maxconns in <total>. We only
3813 * keep 10% of that sum to set the default fullconn, with
3814 * a hard minimum of 1 (to avoid a divide by zero).
3815 */
Emeric Brun3f783572017-01-12 11:21:28 +01003816 curproxy->fullconn = (curproxy->tot_fe_maxconn + 9) / 10;
Willy Tarreaufbb78422011-06-05 15:38:35 +02003817 if (!curproxy->fullconn)
3818 curproxy->fullconn = 1;
3819 }
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01003820 }
3821
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003822 /*
3823 * Recount currently required checks.
3824 */
3825
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003826 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003827 int optnum;
3828
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003829 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3830 if (curproxy->options & cfg_opts[optnum].val)
3831 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003832
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003833 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3834 if (curproxy->options2 & cfg_opts2[optnum].val)
3835 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003836 }
3837
Willy Tarreau0fca4832015-05-01 19:12:05 +02003838 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003839 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Willy Tarreau0fca4832015-05-01 19:12:05 +02003840 if (curproxy->table.peers.p)
3841 curproxy->table.peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
3842
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003843 if (cfg_peers) {
3844 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003845 struct peer *p, *pb;
3846
Willy Tarreau1e273012015-05-01 19:15:17 +02003847 /* Remove all peers sections which don't have a valid listener,
3848 * which are not used by any table, or which are bound to more
3849 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003850 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003851 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003852 while (*last) {
3853 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003854
3855 if (curpeers->state == PR_STSTOPPED) {
3856 /* the "disabled" keyword was present */
3857 if (curpeers->peers_fe)
3858 stop_proxy(curpeers->peers_fe);
3859 curpeers->peers_fe = NULL;
3860 }
3861 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003862 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3863 curpeers->id, localpeer);
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003864 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003865 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003866 /* either it's totally stopped or too much used */
3867 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003868 ha_alert("Peers section '%s': peers referenced by sections "
3869 "running in different processes (%d different ones). "
3870 "Check global.nbproc and all tables' bind-process "
3871 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003872 cfgerr++;
3873 }
3874 stop_proxy(curpeers->peers_fe);
3875 curpeers->peers_fe = NULL;
3876 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003877 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003878 /* Initializes the transport layer of the server part of all the peers belonging to
3879 * <curpeers> section if required.
3880 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3881 * of an old process.
3882 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003883 p = curpeers->remote;
3884 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003885 if (p->srv) {
3886 if (p->srv->use_ssl && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3887 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3888 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003889 p = p->next;
3890 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003891 /* Configure the SSL bindings of the local peer if required. */
3892 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3893 struct list *l;
3894 struct bind_conf *bind_conf;
3895
3896 l = &curpeers->peers_fe->conf.bind;
3897 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3898 if (bind_conf->xprt->prepare_bind_conf &&
3899 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3900 cfgerr++;
3901 }
Willy Tarreaud9443442018-10-15 11:18:03 +02003902 if (!peers_init_sync(curpeers)) {
3903 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3904 curpeers->id);
3905 cfgerr++;
3906 break;
3907 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003908 last = &curpeers->next;
3909 continue;
3910 }
3911
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003912 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003913 p = curpeers->remote;
3914 while (p) {
3915 pb = p->next;
3916 free(p->id);
3917 free(p);
3918 p = pb;
3919 }
3920
3921 /* Destroy and unlink this curpeers section.
3922 * Note: curpeers is backed up into *last.
3923 */
3924 free(curpeers->id);
3925 curpeers = curpeers->next;
3926 free(*last);
3927 *last = curpeers;
3928 }
3929 }
3930
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003931 /* initialize stick-tables on backend capable proxies. This must not
3932 * be done earlier because the data size may be discovered while parsing
3933 * other proxies.
3934 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003935 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003936 if (curproxy->state == PR_STSTOPPED)
3937 continue;
3938
3939 if (!stktable_init(&curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003940 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003941 cfgerr++;
3942 }
3943 }
3944
Simon Horman0d16a402015-01-30 11:22:58 +09003945 if (mailers) {
3946 struct mailers *curmailers = mailers, **last;
3947 struct mailer *m, *mb;
3948
3949 /* Remove all mailers sections which don't have a valid listener.
3950 * This can happen when a mailers section is never referenced.
3951 */
3952 last = &mailers;
3953 while (*last) {
3954 curmailers = *last;
3955 if (curmailers->users) {
3956 last = &curmailers->next;
3957 continue;
3958 }
3959
Christopher Faulet767a84b2017-11-24 16:50:31 +01003960 ha_warning("Removing incomplete section 'mailers %s'.\n",
3961 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003962
3963 m = curmailers->mailer_list;
3964 while (m) {
3965 mb = m->next;
3966 free(m->id);
3967 free(m);
3968 m = mb;
3969 }
3970
3971 /* Destroy and unlink this curmailers section.
3972 * Note: curmailers is backed up into *last.
3973 */
3974 free(curmailers->id);
3975 curmailers = curmailers->next;
3976 free(*last);
3977 *last = curmailers;
3978 }
3979 }
3980
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003981 /* Update server_state_file_name to backend name if backend is supposed to use
3982 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003983 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003984 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3985 curproxy->server_state_file_name == NULL)
3986 curproxy->server_state_file_name = strdup(curproxy->id);
3987 }
3988
Willy Tarreaubafbe012017-11-24 17:34:44 +01003989 pool_head_hdr_idx = create_pool("hdr_idx",
Willy Tarreauac1932d2011-10-24 19:14:41 +02003990 global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
Willy Tarreau34eb6712011-10-24 18:15:04 +02003991 MEM_F_SHARED);
3992
Ben Draut054fbee2018-04-13 15:43:04 -06003993 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
3994 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3995 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3996 curr_resolvers->id, curr_resolvers->conf.file,
3997 curr_resolvers->conf.line);
3998 err_code |= ERR_WARN;
3999 }
4000 }
4001
William Lallemand48b4bb42017-10-23 14:36:34 +02004002 list_for_each_entry(postparser, &postparsers, list) {
4003 if (postparser->func)
4004 cfgerr += postparser->func();
4005 }
4006
Willy Tarreaubb925012009-07-23 13:36:36 +02004007 if (cfgerr > 0)
4008 err_code |= ERR_ALERT | ERR_FATAL;
4009 out:
4010 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004011}
4012
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004013/*
4014 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4015 * parsing sessions.
4016 */
4017void cfg_register_keywords(struct cfg_kw_list *kwl)
4018{
4019 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
4020}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004021
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004022/*
4023 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4024 */
4025void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4026{
4027 LIST_DEL(&kwl->list);
4028 LIST_INIT(&kwl->list);
4029}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004030
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004031/* this function register new section in the haproxy configuration file.
4032 * <section_name> is the name of this new section and <section_parser>
4033 * is the called parser. If two section declaration have the same name,
4034 * only the first declared is used.
4035 */
4036int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004037 int (*section_parser)(const char *, int, char **, int),
4038 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004039{
4040 struct cfg_section *cs;
4041
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004042 list_for_each_entry(cs, &sections, list) {
4043 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004044 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004045 return 0;
4046 }
4047 }
4048
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004049 cs = calloc(1, sizeof(*cs));
4050 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004051 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004052 return 0;
4053 }
4054
4055 cs->section_name = section_name;
4056 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004057 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004058
4059 LIST_ADDQ(&sections, &cs->list);
4060
4061 return 1;
4062}
4063
William Lallemand48b4bb42017-10-23 14:36:34 +02004064/* this function register a new function which will be called once the haproxy
4065 * configuration file has been parsed. It's useful to check dependencies
4066 * between sections or to resolve items once everything is parsed.
4067 */
4068int cfg_register_postparser(char *name, int (*func)())
4069{
4070 struct cfg_postparser *cp;
4071
4072 cp = calloc(1, sizeof(*cp));
4073 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004074 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004075 return 0;
4076 }
4077 cp->name = name;
4078 cp->func = func;
4079
4080 LIST_ADDQ(&postparsers, &cp->list);
4081
4082 return 1;
4083}
4084
Willy Tarreaubaaee002006-06-26 02:48:02 +02004085/*
David Carlier845efb52015-09-25 11:49:18 +01004086 * free all config section entries
4087 */
4088void cfg_unregister_sections(void)
4089{
4090 struct cfg_section *cs, *ics;
4091
4092 list_for_each_entry_safe(cs, ics, &sections, list) {
4093 LIST_DEL(&cs->list);
4094 free(cs);
4095 }
4096}
4097
Christopher Faulet7110b402016-10-26 11:09:44 +02004098void cfg_backup_sections(struct list *backup_sections)
4099{
4100 struct cfg_section *cs, *ics;
4101
4102 list_for_each_entry_safe(cs, ics, &sections, list) {
4103 LIST_DEL(&cs->list);
4104 LIST_ADDQ(backup_sections, &cs->list);
4105 }
4106}
4107
4108void cfg_restore_sections(struct list *backup_sections)
4109{
4110 struct cfg_section *cs, *ics;
4111
4112 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4113 LIST_DEL(&cs->list);
4114 LIST_ADDQ(&sections, &cs->list);
4115 }
4116}
4117
Willy Tarreaue6552512018-11-26 11:33:13 +01004118/* these are the config sections handled by default */
4119REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4120REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4121REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4122REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4123REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4124REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4125REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4126REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4127REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4128REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004129
David Carlier845efb52015-09-25 11:49:18 +01004130/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004131 * Local variables:
4132 * c-indent-level: 8
4133 * c-basic-offset: 8
4134 * End:
4135 */