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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 Tarreauc8d5b952019-02-27 17:25:52 +0100128int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100129int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100130char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200131
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200132/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100133struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200134 .list = LIST_HEAD_INIT(cfg_keywords.list)
135};
136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137/*
138 * converts <str> to a list of listeners which are dynamically allocated.
139 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
140 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
141 * - <port> is a numerical port from 1 to 65535 ;
142 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
143 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200144 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
145 * not NULL, it must be a valid pointer to either NULL or a freeable area that
146 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200147 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200148int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200149{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100150 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200151 int port, end;
152
153 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200154
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100156 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200157 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100158 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159
160 str = next;
161 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100162 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200163 *next++ = 0;
164 }
165
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100166 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200167 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200168 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100169 if (!ss2)
170 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100172 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100173 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200174 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100175 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100178 if (!port || !end) {
179 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
180 goto fail;
181 }
182
Emeric Bruned760922010-10-22 17:59:25 +0200183 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200184 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200185 goto fail;
186 }
187
188 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200189 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200190 goto fail;
191 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100193 else if (ss2->ss_family == AF_UNSPEC) {
194 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100195 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100196
197 /* We want to attach to an already bound fd whose number
198 * is in the addr part of ss2 when cast to sockaddr_in.
199 * Note that by definition there is a single listener.
200 * We still have to determine the address family to
201 * register the correct protocol.
202 */
203 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
204 addr_len = sizeof(*ss2);
205 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
206 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
207 goto fail;
208 }
209
210 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200211
212 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
213 socklen_t addr_len;
214 inherited = 1;
215
216 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
217 addr_len = sizeof(*ss2);
218 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
219 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
220 goto fail;
221 }
222
223 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
224 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100225 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200226
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100227 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100228 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200229 memprintf(err, "%s for address '%s'.\n", *err, str);
230 goto fail;
231 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200232 } /* end while(next) */
233 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200234 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200235 fail:
236 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200237 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200238}
239
William Lallemand6e62fb62015-04-28 16:55:23 +0200240/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100241 * Report an error in <msg> when there are too many arguments. This version is
242 * intended to be used by keyword parsers so that the message will be included
243 * into the general error message. The index is the current keyword in args.
244 * Return 0 if the number of argument is correct, otherwise build a message and
245 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
246 * message may also be null, it will simply not be produced (useful to check only).
247 * <msg> and <err_code> are only affected on error.
248 */
249int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
250{
251 int i;
252
253 if (!*args[index + maxarg + 1])
254 return 0;
255
256 if (msg) {
257 *msg = NULL;
258 memprintf(msg, "%s", args[0]);
259 for (i = 1; i <= index; i++)
260 memprintf(msg, "%s %s", *msg, args[i]);
261
262 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
263 }
264 if (err_code)
265 *err_code |= ERR_ALERT | ERR_FATAL;
266
267 return 1;
268}
269
270/*
271 * same as too_many_args_idx with a 0 index
272 */
273int too_many_args(int maxarg, char **args, char **msg, int *err_code)
274{
275 return too_many_args_idx(maxarg, 0, args, msg, err_code);
276}
277
278/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200279 * Report a fatal Alert when there is too much arguments
280 * The index is the current keyword in args
281 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
282 * Fill err_code with an ERR_ALERT and an ERR_FATAL
283 */
284int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
285{
286 char *kw = NULL;
287 int i;
288
289 if (!*args[index + maxarg + 1])
290 return 0;
291
292 memprintf(&kw, "%s", args[0]);
293 for (i = 1; i <= index; i++) {
294 memprintf(&kw, "%s %s", kw, args[i]);
295 }
296
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 ha_alert("parsing [%s:%d] : '%s' cannot handle unexpected argument '%s'.\n", file, linenum, kw, args[index + maxarg + 1]);
William Lallemand6e62fb62015-04-28 16:55:23 +0200298 free(kw);
299 *err_code |= ERR_ALERT | ERR_FATAL;
300 return 1;
301}
302
303/*
304 * same as alertif_too_many_args_idx with a 0 index
305 */
306int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
307{
308 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
309}
310
Willy Tarreau61d18892009-03-31 10:49:21 +0200311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312/* Report it if a request ACL condition uses some keywords that are incompatible
313 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
314 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
315 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100316 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100317int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100318{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100319 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200320 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100321
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100322 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100323 return 0;
324
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100325 acl = acl_cond_conflicts(cond, where);
326 if (acl) {
327 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100328 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
329 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100330 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100331 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
332 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100333 return ERR_WARN;
334 }
335 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100336 return 0;
337
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100338 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100339 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
340 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100341 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100342 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
343 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100344 return ERR_WARN;
345}
346
Christopher Faulet62519022017-10-16 15:49:32 +0200347/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100348 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100349 * two such numbers delimited by a dash ('-'). On success, it returns
350 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200351 *
352 * Note: this function can also be used to parse a thread number or a set of
353 * threads.
354 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100355int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200356{
Christopher Faulet26028f62017-11-22 15:01:51 +0100357 if (autoinc) {
358 *autoinc = 0;
359 if (strncmp(arg, "auto:", 5) == 0) {
360 arg += 5;
361 *autoinc = 1;
362 }
363 }
364
Christopher Faulet62519022017-10-16 15:49:32 +0200365 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100366 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200367 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100368 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200369 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100370 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200371 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100372 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100373 unsigned int low, high;
374
Christopher Faulet18cca782019-02-07 16:29:41 +0100375 for (p = arg; *p; p++) {
376 if (*p == '-' && !dash)
377 dash = p;
378 else if (!isdigit((int)*p)) {
379 memprintf(err, "'%s' is not a valid number/range.", arg);
380 return -1;
381 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100382 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100383
384 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100385 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100386 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100387
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100388 if (high < low) {
389 unsigned int swap = low;
390 low = high;
391 high = swap;
392 }
393
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100394 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100395 memprintf(err, "'%s' is not a valid number/range."
396 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100397 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100398 return 1;
399 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100400
401 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100402 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200403 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100404 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100405
Christopher Faulet5ab51772017-11-22 11:21:58 +0100406 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200407}
408
David Carlier7e351ee2017-12-01 09:14:02 +0000409#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200410/* Parse cpu sets. Each CPU set is either a unique number between 0 and
411 * <LONGBITS> or a range with two such numbers delimited by a dash
412 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
413 * returns 0. otherwise it returns 1 with an error message in <err>.
414 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100415unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200416{
417 int cur_arg = 0;
418
419 *cpu_set = 0;
420 while (*args[cur_arg]) {
421 char *dash;
422 unsigned int low, high;
423
424 if (!isdigit((int)*args[cur_arg])) {
425 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
426 return -1;
427 }
428
429 low = high = str2uic(args[cur_arg]);
430 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100431 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200432
433 if (high < low) {
434 unsigned int swap = low;
435 low = high;
436 high = swap;
437 }
438
439 if (high >= LONGBITS) {
440 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
441 return 1;
442 }
443
444 while (low <= high)
445 *cpu_set |= 1UL << low++;
446
447 cur_arg++;
448 }
449 return 0;
450}
David Carlier7e351ee2017-12-01 09:14:02 +0000451#endif
452
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200453void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200454{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100455 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200456 defproxy.mode = PR_MODE_TCP;
457 defproxy.state = PR_STNEW;
458 defproxy.maxconn = cfg_maxpconn;
459 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700460 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100461 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100462 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100463
Simon Horman66183002013-02-23 10:16:43 +0900464 defproxy.defsrv.check.inter = DEF_CHKINTR;
465 defproxy.defsrv.check.fastinter = 0;
466 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900467 defproxy.defsrv.agent.inter = DEF_CHKINTR;
468 defproxy.defsrv.agent.fastinter = 0;
469 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900470 defproxy.defsrv.check.rise = DEF_RISETIME;
471 defproxy.defsrv.check.fall = DEF_FALLTIME;
472 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
473 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200474 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900475 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100476 defproxy.defsrv.maxqueue = 0;
477 defproxy.defsrv.minconn = 0;
478 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100479 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100480 defproxy.defsrv.max_idle_conns = -1;
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;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100652 l->accept = session_accept_fd;
653 l->analysers |= curpeers->peers_fe->fe_req_ana;
654 l->default_target = curpeers->peers_fe->default_target;
655 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100656 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100657
658 bind_line = 1;
659 if (cfg_peers->local) {
660 newpeer = cfg_peers->local;
661 }
662 else {
663 /* This peer is local.
664 * Note that we do not set the peer ID. This latter is initialized
665 * when parsing "peer" or "server" line.
666 */
667 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
668 if (!newpeer) {
669 err_code |= ERR_ALERT | ERR_ABORT;
670 goto out;
671 }
672 }
673 newpeer->addr = l->addr;
674 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
675 cur_arg++;
676 }
677
678 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
679 int ret;
680
681 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
682 err_code |= ret;
683 if (ret) {
684 if (errmsg && *errmsg) {
685 indent_msg(&errmsg, 2);
686 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
687 }
688 else
689 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
690 file, linenum, args[cur_arg]);
691 if (ret & ERR_FATAL)
692 goto out;
693 }
694 cur_arg += 1 + kw->skip;
695 }
696 kws = NULL;
697 if (!kws_dumped) {
698 kws_dumped = 1;
699 bind_dump_kws(&kws);
700 indent_msg(&kws, 4);
701 }
702 if (*args[cur_arg] != 0) {
703 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
704 file, linenum, args[cur_arg], cursection,
705 kws ? " Registered keywords :" : "", kws ? kws: "");
706 free(kws);
707 err_code |= ERR_ALERT | ERR_FATAL;
708 goto out;
709 }
710 }
711 else if (strcmp(args[0], "default-server") == 0) {
712 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
713 err_code |= ERR_ALERT | ERR_ABORT;
714 goto out;
715 }
716 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200717 }
718 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100719 /* Initialize these static variables when entering a new "peers" section*/
720 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100721 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100722 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100723 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100724 goto out;
725 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200726
William Lallemand6e62fb62015-04-28 16:55:23 +0200727 if (alertif_too_many_args(1, file, linenum, args, &err_code))
728 goto out;
729
Emeric Brun32da3c42010-09-23 18:39:19 +0200730 err = invalid_char(args[1]);
731 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100732 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
733 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100734 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100735 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200736 }
737
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200738 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200739 /*
740 * If there are two proxies with the same name only following
741 * combinations are allowed:
742 */
743 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100744 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
745 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200746 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200747 }
748 }
749
Vincent Bernat02779b62016-04-03 13:48:43 +0200750 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100751 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200752 err_code |= ERR_ALERT | ERR_ABORT;
753 goto out;
754 }
755
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200756 curpeers->next = cfg_peers;
757 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200758 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200759 curpeers->conf.line = linenum;
760 curpeers->last_change = now.tv_sec;
761 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200762 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200763 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200764 else if (strcmp(args[0], "peer") == 0 ||
765 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100766 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200767
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100768 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100769 local_peer = !strcmp(args[1], localpeer);
770 /* The local peer may have already partially been parsed on a "bind" line. */
771 if (*args[0] == 'p') {
772 if (bind_line) {
773 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
774 err_code |= ERR_ALERT | ERR_FATAL;
775 goto out;
776 }
777 peer_line = 1;
778 }
779 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
780 /* The local peer has already been initialized on a "bind" line.
781 * Let's use it and store its ID.
782 */
783 newpeer = cfg_peers->local;
784 newpeer->id = strdup(localpeer);
785 }
786 else {
787 if (local_peer && cfg_peers->local) {
788 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
789 file, linenum, args[0], args[1],
790 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
791 err_code |= ERR_FATAL;
792 goto out;
793 }
794 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
795 if (!newpeer) {
796 err_code |= ERR_ALERT | ERR_ABORT;
797 goto out;
798 }
799 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200800
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100801 /* Line number and peer ID are updated only if this peer is the local one. */
802 if (init_peers_frontend(file,
803 newpeer->local ? linenum: -1,
804 newpeer->local ? newpeer->id : NULL,
805 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200806 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100807 goto out;
808 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100809
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100810 /* This initializes curpeer->peers->peers_fe->srv.
811 * The server address is parsed only if we are parsing a "peer" line,
812 * or if we are parsing a "server" line and the current peer is not the local one.
813 */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100814 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200815 if (!curpeers->peers_fe->srv)
Emeric Brun32da3c42010-09-23 18:39:19 +0200816 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200817
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100818 /* If the peer address has just been parsed, let's copy it to <newpeer>
819 * and initializes ->proto.
820 */
821 if (peer || !local_peer) {
822 newpeer->addr = curpeers->peers_fe->srv->addr;
823 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
824 }
825
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100826 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200827 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100828 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200829
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100830 newpeer->srv = curpeers->peers_fe->srv;
831 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200832 goto out;
833
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100834 /* The lines above are reserved to "peer" lines. */
835 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200836 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200837
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100838 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100839
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100840 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
841 if (errmsg && *errmsg) {
842 indent_msg(&errmsg, 2);
843 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100844 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100845 else
846 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
847 file, linenum, args[0], args[1], args[2]);
848 err_code |= ERR_FATAL;
849 goto out;
850 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100851
852 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
853 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100854 l->accept = session_accept_fd;
855 l->analysers |= curpeers->peers_fe->fe_req_ana;
856 l->default_target = curpeers->peers_fe->default_target;
857 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100858 global.maxsock++; /* for the listening socket */
Emeric Brun32da3c42010-09-23 18:39:19 +0200859 } /* neither "peer" nor "peers" */
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200860 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
861 curpeers->state = PR_STSTOPPED;
862 }
863 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
864 curpeers->state = PR_STNEW;
865 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200866 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100867 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200868 err_code |= ERR_ALERT | ERR_FATAL;
869 goto out;
870 }
871
872out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100873 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200874 return err_code;
875}
876
Baptiste Assmann325137d2015-04-13 23:40:55 +0200877/*
878 * Parse a <resolvers> section.
879 * Returns the error code, 0 if OK, or any combination of :
880 * - ERR_ABORT: must abort ASAP
881 * - ERR_FATAL: we can continue parsing but not start the service
882 * - ERR_WARN: a warning has been emitted
883 * - ERR_ALERT: an alert has been emitted
884 * Only the two first ones can stop processing, the two others are just
885 * indicators.
886 */
887int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
888{
889 static struct dns_resolvers *curr_resolvers = NULL;
890 struct dns_nameserver *newnameserver = NULL;
891 const char *err;
892 int err_code = 0;
893 char *errmsg = NULL;
894
895 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
896 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100897 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200898 err_code |= ERR_ALERT | ERR_ABORT;
899 goto out;
900 }
901
902 err = invalid_char(args[1]);
903 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100904 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
905 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200906 err_code |= ERR_ALERT | ERR_ABORT;
907 goto out;
908 }
909
910 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
911 /* Error if two resolvers owns the same name */
912 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100913 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
914 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200915 err_code |= ERR_ALERT | ERR_ABORT;
916 }
917 }
918
Vincent Bernat02779b62016-04-03 13:48:43 +0200919 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100920 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200921 err_code |= ERR_ALERT | ERR_ABORT;
922 goto out;
923 }
924
925 /* default values */
926 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
927 curr_resolvers->conf.file = strdup(file);
928 curr_resolvers->conf.line = linenum;
929 curr_resolvers->id = strdup(args[1]);
930 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200931 /* default maximum response size */
932 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100933 /* default hold period for nx, other, refuse and timeout is 30s */
934 curr_resolvers->hold.nx = 30000;
935 curr_resolvers->hold.other = 30000;
936 curr_resolvers->hold.refused = 30000;
937 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200938 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200939 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200940 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200941 curr_resolvers->timeout.resolve = 1000;
942 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200943 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200944 curr_resolvers->nb_nameservers = 0;
945 LIST_INIT(&curr_resolvers->nameservers);
946 LIST_INIT(&curr_resolvers->resolutions.curr);
947 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100948 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200949 }
950 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
951 struct sockaddr_storage *sk;
952 int port1, port2;
953 struct protocol *proto;
954
955 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100956 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
957 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200958 err_code |= ERR_ALERT | ERR_FATAL;
959 goto out;
960 }
961
962 err = invalid_char(args[1]);
963 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100964 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
965 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200966 err_code |= ERR_ALERT | ERR_FATAL;
967 goto out;
968 }
969
Christopher Faulet67957bd2017-09-27 11:00:59 +0200970 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +0100971 /* Error if two resolvers owns the same name */
972 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100973 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 -0600974 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +0100975 err_code |= ERR_ALERT | ERR_FATAL;
976 }
977 }
978
Vincent Bernat02779b62016-04-03 13:48:43 +0200979 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100980 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200981 err_code |= ERR_ALERT | ERR_ABORT;
982 goto out;
983 }
984
985 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +0200986 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200987 newnameserver->resolvers = curr_resolvers;
988 newnameserver->conf.file = strdup(file);
989 newnameserver->conf.line = linenum;
990 newnameserver->id = strdup(args[1]);
991
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100992 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200993 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100994 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200995 err_code |= ERR_ALERT | ERR_FATAL;
996 goto out;
997 }
998
999 proto = protocol_by_family(sk->ss_family);
1000 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001001 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +02001002 file, linenum, args[0], args[1]);
1003 err_code |= ERR_ALERT | ERR_FATAL;
1004 goto out;
1005 }
1006
1007 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001008 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1009 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001010 err_code |= ERR_ALERT | ERR_FATAL;
1011 goto out;
1012 }
1013
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001014 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001015 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1016 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001017 err_code |= ERR_ALERT | ERR_FATAL;
1018 goto out;
1019 }
1020
Baptiste Assmann325137d2015-04-13 23:40:55 +02001021 newnameserver->addr = *sk;
1022 }
Ben Draut44e609b2018-05-29 15:40:08 -06001023 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1024 const char *whitespace = "\r\n\t ";
1025 char *resolv_line = NULL;
1026 int resolv_linenum = 0;
1027 FILE *f = NULL;
1028 char *address = NULL;
1029 struct sockaddr_storage *sk = NULL;
1030 struct protocol *proto;
1031 int duplicate_name = 0;
1032
1033 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1034 ha_alert("parsing [%s:%d] : out of memory.\n",
1035 file, linenum);
1036 err_code |= ERR_ALERT | ERR_FATAL;
1037 goto resolv_out;
1038 }
1039
1040 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1041 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1042 file, linenum);
1043 err_code |= ERR_ALERT | ERR_FATAL;
1044 goto resolv_out;
1045 }
1046
1047 sk = calloc(1, sizeof(*sk));
1048 if (sk == NULL) {
1049 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1050 resolv_linenum);
1051 err_code |= ERR_ALERT | ERR_FATAL;
1052 goto resolv_out;
1053 }
1054
1055 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1056 resolv_linenum++;
1057 if (strncmp(resolv_line, "nameserver", 10) != 0)
1058 continue;
1059
1060 address = strtok(resolv_line + 10, whitespace);
1061 if (address == resolv_line + 10)
1062 continue;
1063
1064 if (address == NULL) {
1065 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1066 resolv_linenum);
1067 err_code |= ERR_WARN;
1068 continue;
1069 }
1070
1071 duplicate_name = 0;
1072 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1073 if (strcmp(newnameserver->id, address) == 0) {
1074 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",
1075 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1076 err_code |= ERR_WARN;
1077 duplicate_name = 1;
1078 }
1079 }
1080
1081 if (duplicate_name)
1082 continue;
1083
1084 memset(sk, 0, sizeof(*sk));
1085 sk = str2ip2(address, sk, 1);
1086 if (!sk) {
1087 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1088 resolv_linenum, address);
1089 err_code |= ERR_WARN;
1090 continue;
1091 }
1092
1093 set_host_port(sk, 53);
1094
1095 proto = protocol_by_family(sk->ss_family);
1096 if (!proto || !proto->connect) {
1097 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1098 resolv_linenum, address);
1099 err_code |= ERR_WARN;
1100 continue;
1101 }
1102
1103 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1104 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1105 err_code |= ERR_ALERT | ERR_FATAL;
1106 goto resolv_out;
1107 }
1108
1109 newnameserver->conf.file = strdup("/etc/resolv.conf");
1110 if (newnameserver->conf.file == NULL) {
1111 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1112 err_code |= ERR_ALERT | ERR_FATAL;
1113 goto resolv_out;
1114 }
1115
1116 newnameserver->id = strdup(address);
1117 if (newnameserver->id == NULL) {
1118 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1119 err_code |= ERR_ALERT | ERR_FATAL;
1120 goto resolv_out;
1121 }
1122
1123 newnameserver->resolvers = curr_resolvers;
1124 newnameserver->conf.line = resolv_linenum;
1125 newnameserver->addr = *sk;
1126
1127 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1128 }
1129
1130resolv_out:
1131 free(sk);
1132 free(resolv_line);
1133 if (f != NULL)
1134 fclose(f);
1135 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001136 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1137 const char *res;
1138 unsigned int time;
1139
1140 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001141 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1142 file, linenum, args[0]);
1143 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001144 err_code |= ERR_ALERT | ERR_FATAL;
1145 goto out;
1146 }
1147 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
1148 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001149 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1150 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001151 err_code |= ERR_ALERT | ERR_FATAL;
1152 goto out;
1153 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001154 if (strcmp(args[1], "nx") == 0)
1155 curr_resolvers->hold.nx = time;
1156 else if (strcmp(args[1], "other") == 0)
1157 curr_resolvers->hold.other = time;
1158 else if (strcmp(args[1], "refused") == 0)
1159 curr_resolvers->hold.refused = time;
1160 else if (strcmp(args[1], "timeout") == 0)
1161 curr_resolvers->hold.timeout = time;
1162 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001163 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001164 else if (strcmp(args[1], "obsolete") == 0)
1165 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001166 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001167 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1168 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001169 err_code |= ERR_ALERT | ERR_FATAL;
1170 goto out;
1171 }
1172
1173 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001174 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001175 int i = 0;
1176
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001177 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001178 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1179 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001180 err_code |= ERR_ALERT | ERR_FATAL;
1181 goto out;
1182 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001183
1184 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001185 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001186 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1187 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001188 err_code |= ERR_ALERT | ERR_FATAL;
1189 goto out;
1190 }
1191
1192 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001193 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001194 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001195 ha_warning("parsing [%s:%d] : '%s' directive is now deprecated and ignored.\n",
1196 file, linenum, args[0]);
Christopher Faulet67957bd2017-09-27 11:00:59 +02001197 err_code |= ERR_WARN;
1198 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001199 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001200 else if (strcmp(args[0], "resolve_retries") == 0) {
1201 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001202 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1203 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001204 err_code |= ERR_ALERT | ERR_FATAL;
1205 goto out;
1206 }
1207 curr_resolvers->resolve_retries = atoi(args[1]);
1208 }
1209 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001210 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001211 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1212 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001213 err_code |= ERR_ALERT | ERR_FATAL;
1214 goto out;
1215 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001216 else if (strcmp(args[1], "retry") == 0 ||
1217 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001218 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001219 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001220
1221 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001222 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1223 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001224 err_code |= ERR_ALERT | ERR_FATAL;
1225 goto out;
1226 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001227 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001228 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001229 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1230 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001231 err_code |= ERR_ALERT | ERR_FATAL;
1232 goto out;
1233 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001234 if (args[1][2] == 't')
1235 curr_resolvers->timeout.retry = tout;
1236 else
1237 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001238 }
1239 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001240 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1241 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001242 err_code |= ERR_ALERT | ERR_FATAL;
1243 goto out;
1244 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001245 } /* neither "nameserver" nor "resolvers" */
1246 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001247 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001248 err_code |= ERR_ALERT | ERR_FATAL;
1249 goto out;
1250 }
1251
1252 out:
1253 free(errmsg);
1254 return err_code;
1255}
Simon Horman0d16a402015-01-30 11:22:58 +09001256
1257/*
William Lallemand51097192015-04-14 16:35:22 +02001258 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001259 * Returns the error code, 0 if OK, or any combination of :
1260 * - ERR_ABORT: must abort ASAP
1261 * - ERR_FATAL: we can continue parsing but not start the service
1262 * - ERR_WARN: a warning has been emitted
1263 * - ERR_ALERT: an alert has been emitted
1264 * Only the two first ones can stop processing, the two others are just
1265 * indicators.
1266 */
1267int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1268{
1269 static struct mailers *curmailers = NULL;
1270 struct mailer *newmailer = NULL;
1271 const char *err;
1272 int err_code = 0;
1273 char *errmsg = NULL;
1274
1275 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1276 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001277 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001278 err_code |= ERR_ALERT | ERR_ABORT;
1279 goto out;
1280 }
1281
1282 err = invalid_char(args[1]);
1283 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001284 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1285 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001286 err_code |= ERR_ALERT | ERR_ABORT;
1287 goto out;
1288 }
1289
1290 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1291 /*
1292 * If there are two proxies with the same name only following
1293 * combinations are allowed:
1294 */
1295 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001296 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1297 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001298 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001299 }
1300 }
1301
Vincent Bernat02779b62016-04-03 13:48:43 +02001302 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001303 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001304 err_code |= ERR_ALERT | ERR_ABORT;
1305 goto out;
1306 }
1307
1308 curmailers->next = mailers;
1309 mailers = curmailers;
1310 curmailers->conf.file = strdup(file);
1311 curmailers->conf.line = linenum;
1312 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001313 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1314 * But need enough time so that timeouts don't occur
1315 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001316 }
1317 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1318 struct sockaddr_storage *sk;
1319 int port1, port2;
1320 struct protocol *proto;
1321
1322 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001323 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1324 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001325 err_code |= ERR_ALERT | ERR_FATAL;
1326 goto out;
1327 }
1328
1329 err = invalid_char(args[1]);
1330 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001331 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1332 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001333 err_code |= ERR_ALERT | ERR_FATAL;
1334 goto out;
1335 }
1336
Vincent Bernat02779b62016-04-03 13:48:43 +02001337 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001338 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001339 err_code |= ERR_ALERT | ERR_ABORT;
1340 goto out;
1341 }
1342
1343 /* the mailers are linked backwards first */
1344 curmailers->count++;
1345 newmailer->next = curmailers->mailer_list;
1346 curmailers->mailer_list = newmailer;
1347 newmailer->mailers = curmailers;
1348 newmailer->conf.file = strdup(file);
1349 newmailer->conf.line = linenum;
1350
1351 newmailer->id = strdup(args[1]);
1352
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001353 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001354 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001355 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001356 err_code |= ERR_ALERT | ERR_FATAL;
1357 goto out;
1358 }
1359
1360 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001361 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001362 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1363 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001364 err_code |= ERR_ALERT | ERR_FATAL;
1365 goto out;
1366 }
1367
1368 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001369 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1370 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001371 err_code |= ERR_ALERT | ERR_FATAL;
1372 goto out;
1373 }
1374
1375 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001376 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1377 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001378 err_code |= ERR_ALERT | ERR_FATAL;
1379 goto out;
1380 }
1381
1382 newmailer->addr = *sk;
1383 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001384 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001385 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001386 }
1387 else if (strcmp(args[0], "timeout") == 0) {
1388 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001389 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1390 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001391 err_code |= ERR_ALERT | ERR_FATAL;
1392 goto out;
1393 }
1394 else if (strcmp(args[1], "mail") == 0) {
1395 const char *res;
1396 unsigned int timeout_mail;
1397 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001398 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1399 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001400 err_code |= ERR_ALERT | ERR_FATAL;
1401 goto out;
1402 }
1403 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
1404 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001405 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1406 file, linenum, *res, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001407 err_code |= ERR_ALERT | ERR_FATAL;
1408 goto out;
1409 }
1410 if (timeout_mail <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001411 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 +01001412 err_code |= ERR_ALERT | ERR_FATAL;
1413 goto out;
1414 }
1415 curmailers->timeout.mail = timeout_mail;
1416 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001417 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001418 file, linenum, args[0], args[1]);
1419 err_code |= ERR_ALERT | ERR_FATAL;
1420 goto out;
1421 }
1422 }
Simon Horman0d16a402015-01-30 11:22:58 +09001423 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001424 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001425 err_code |= ERR_ALERT | ERR_FATAL;
1426 goto out;
1427 }
1428
1429out:
1430 free(errmsg);
1431 return err_code;
1432}
1433
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001434void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001435{
1436 free(p->email_alert.mailers.name);
1437 p->email_alert.mailers.name = NULL;
1438 free(p->email_alert.from);
1439 p->email_alert.from = NULL;
1440 free(p->email_alert.to);
1441 p->email_alert.to = NULL;
1442 free(p->email_alert.myhostname);
1443 p->email_alert.myhostname = NULL;
1444}
1445
Willy Tarreaubaaee002006-06-26 02:48:02 +02001446
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001447int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001448cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1449{
1450#ifdef CONFIG_HAP_NS
1451 const char *err;
1452 const char *item = args[0];
1453
1454 if (!strcmp(item, "namespace_list")) {
1455 return 0;
1456 }
1457 else if (!strcmp(item, "namespace")) {
1458 size_t idx = 1;
1459 const char *current;
1460 while (*(current = args[idx++])) {
1461 err = invalid_char(current);
1462 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001463 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1464 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001465 return ERR_ALERT | ERR_FATAL;
1466 }
1467
1468 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001469 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1470 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001471 return ERR_ALERT | ERR_FATAL;
1472 }
1473 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001474 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1475 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001476 return ERR_ALERT | ERR_FATAL;
1477 }
1478 }
1479 }
1480
1481 return 0;
1482#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001483 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1484 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001485 return ERR_ALERT | ERR_FATAL;
1486#endif
1487}
1488
1489int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001490cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1491{
1492
1493 int err_code = 0;
1494 const char *err;
1495
1496 if (!strcmp(args[0], "userlist")) { /* new userlist */
1497 struct userlist *newul;
1498
1499 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001500 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1501 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001502 err_code |= ERR_ALERT | ERR_FATAL;
1503 goto out;
1504 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001505 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1506 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001507
1508 err = invalid_char(args[1]);
1509 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001510 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1511 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001512 err_code |= ERR_ALERT | ERR_FATAL;
1513 goto out;
1514 }
1515
1516 for (newul = userlist; newul; newul = newul->next)
1517 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001518 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1519 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001520 err_code |= ERR_WARN;
1521 goto out;
1522 }
1523
Vincent Bernat02779b62016-04-03 13:48:43 +02001524 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001525 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001526 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001527 err_code |= ERR_ALERT | ERR_ABORT;
1528 goto out;
1529 }
1530
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001531 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001532 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001533 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001534 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001535 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001536 goto out;
1537 }
1538
1539 newul->next = userlist;
1540 userlist = newul;
1541
1542 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001543 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001544 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001545 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001546
1547 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001548 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1549 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001550 err_code |= ERR_ALERT | ERR_FATAL;
1551 goto out;
1552 }
1553
1554 err = invalid_char(args[1]);
1555 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001556 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1557 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001558 err_code |= ERR_ALERT | ERR_FATAL;
1559 goto out;
1560 }
1561
William Lallemand4ac9f542015-05-28 18:03:51 +02001562 if (!userlist)
1563 goto out;
1564
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001565 for (ag = userlist->groups; ag; ag = ag->next)
1566 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001567 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1568 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001569 err_code |= ERR_ALERT;
1570 goto out;
1571 }
1572
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001573 ag = calloc(1, sizeof(*ag));
1574 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001575 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001576 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001577 goto out;
1578 }
1579
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001580 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001581 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001582 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001583 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001584 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001585 goto out;
1586 }
1587
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001588 cur_arg = 2;
1589
1590 while (*args[cur_arg]) {
1591 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001592 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001593 cur_arg += 2;
1594 continue;
1595 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001596 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1597 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001598 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001599 free(ag->groupusers);
1600 free(ag->name);
1601 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001602 goto out;
1603 }
1604 }
1605
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001606 ag->next = userlist->groups;
1607 userlist->groups = ag;
1608
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001609 } else if (!strcmp(args[0], "user")) { /* new user */
1610 struct auth_users *newuser;
1611 int cur_arg;
1612
1613 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001614 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1615 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001616 err_code |= ERR_ALERT | ERR_FATAL;
1617 goto out;
1618 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001619 if (!userlist)
1620 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001621
1622 for (newuser = userlist->users; newuser; newuser = newuser->next)
1623 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001624 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1625 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001626 err_code |= ERR_ALERT;
1627 goto out;
1628 }
1629
Vincent Bernat02779b62016-04-03 13:48:43 +02001630 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001631 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001632 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001633 err_code |= ERR_ALERT | ERR_ABORT;
1634 goto out;
1635 }
1636
1637 newuser->user = strdup(args[1]);
1638
1639 newuser->next = userlist->users;
1640 userlist->users = newuser;
1641
1642 cur_arg = 2;
1643
1644 while (*args[cur_arg]) {
1645 if (!strcmp(args[cur_arg], "password")) {
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001646#ifdef CONFIG_HAP_CRYPT
1647 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001648 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1649 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001650 err_code |= ERR_ALERT | ERR_FATAL;
1651 goto out;
1652 }
1653#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001654 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1655 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001656 err_code |= ERR_ALERT;
1657#endif
1658 newuser->pass = strdup(args[cur_arg + 1]);
1659 cur_arg += 2;
1660 continue;
1661 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1662 newuser->pass = strdup(args[cur_arg + 1]);
1663 newuser->flags |= AU_O_INSECURE;
1664 cur_arg += 2;
1665 continue;
1666 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001667 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001668 cur_arg += 2;
1669 continue;
1670 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001671 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1672 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001673 err_code |= ERR_ALERT | ERR_FATAL;
1674 goto out;
1675 }
1676 }
1677 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001678 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 +01001679 err_code |= ERR_ALERT | ERR_FATAL;
1680 }
1681
1682out:
1683 return err_code;
1684}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001685
Christopher Faulet79bdef32016-11-04 22:36:15 +01001686int
1687cfg_parse_scope(const char *file, int linenum, char *line)
1688{
1689 char *beg, *end, *scope = NULL;
1690 int err_code = 0;
1691 const char *err;
1692
1693 beg = line + 1;
1694 end = strchr(beg, ']');
1695
1696 /* Detect end of scope declaration */
1697 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001698 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1699 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001700 err_code |= ERR_ALERT | ERR_FATAL;
1701 goto out;
1702 }
1703
1704 /* Get scope name and check its validity */
1705 scope = my_strndup(beg, end-beg);
1706 err = invalid_char(scope);
1707 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001708 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1709 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001710 err_code |= ERR_ALERT | ERR_ABORT;
1711 goto out;
1712 }
1713
1714 /* Be sure to have a scope declaration alone on its line */
1715 line = end+1;
1716 while (isspace((unsigned char)*line))
1717 line++;
1718 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001719 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1720 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001721 err_code |= ERR_ALERT | ERR_ABORT;
1722 goto out;
1723 }
1724
1725 /* We have a valid scope declaration, save it */
1726 free(cfg_scope);
1727 cfg_scope = scope;
1728 scope = NULL;
1729
1730 out:
1731 free(scope);
1732 return err_code;
1733}
1734
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001735int
1736cfg_parse_track_sc_num(unsigned int *track_sc_num,
1737 const char *arg, const char *end, char **errmsg)
1738{
1739 const char *p;
1740 unsigned int num;
1741
1742 p = arg;
1743 num = read_uint64(&arg, end);
1744
1745 if (arg != end) {
1746 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1747 return -1;
1748 }
1749
1750 if (num >= MAX_SESS_STKCTR) {
1751 memprintf(errmsg, "%u track-sc number exceeding "
1752 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1753 return -1;
1754 }
1755
1756 *track_sc_num = num;
1757 return 0;
1758}
1759
Willy Tarreaubaaee002006-06-26 02:48:02 +02001760/*
1761 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001762 * Returns the error code, 0 if OK, or any combination of :
1763 * - ERR_ABORT: must abort ASAP
1764 * - ERR_FATAL: we can continue parsing but not start the service
1765 * - ERR_WARN: a warning has been emitted
1766 * - ERR_ALERT: an alert has been emitted
1767 * Only the two first ones can stop processing, the two others are just
1768 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001769 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001770int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001771{
William Lallemand64e84512015-05-12 14:25:37 +02001772 char *thisline;
1773 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001774 FILE *f;
1775 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001776 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001777 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001778 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001779 int readbytes = 0;
1780
1781 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001782 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001783 return -1;
1784 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001785
David Carlier97880bb2016-04-08 10:35:26 +01001786 if ((f=fopen(file,"r")) == NULL) {
1787 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001788 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001789 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001790
William Lallemandb2f07452015-05-12 14:27:13 +02001791next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001792 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001793 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001794 char *end;
1795 char *args[MAX_LINE_ARGS + 1];
1796 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001797 int dquote = 0; /* double quote */
1798 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001799
Willy Tarreaubaaee002006-06-26 02:48:02 +02001800 linenum++;
1801
1802 end = line + strlen(line);
1803
William Lallemand64e84512015-05-12 14:25:37 +02001804 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001805 /* Check if we reached the limit and the last char is not \n.
1806 * Watch out for the last line without the terminating '\n'!
1807 */
William Lallemand64e84512015-05-12 14:25:37 +02001808 char *newline;
1809 int newlinesize = linesize * 2;
1810
1811 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1812 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001813 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1814 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001815 err_code |= ERR_ALERT | ERR_FATAL;
1816 continue;
1817 }
1818
1819 readbytes = linesize - 1;
1820 linesize = newlinesize;
1821 thisline = newline;
1822 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001823 }
1824
William Lallemand64e84512015-05-12 14:25:37 +02001825 readbytes = 0;
1826
Willy Tarreaubaaee002006-06-26 02:48:02 +02001827 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001828 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001829 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001830
Christopher Faulet79bdef32016-11-04 22:36:15 +01001831
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001832 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001833 err_code |= cfg_parse_scope(file, linenum, line);
1834 goto next_line;
1835 }
1836
Willy Tarreaubaaee002006-06-26 02:48:02 +02001837 arg = 0;
1838 args[arg] = line;
1839
1840 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001841 if (*line == '"' && !squote) { /* double quote outside single quotes */
1842 if (dquote)
1843 dquote = 0;
1844 else
1845 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001846 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001847 end--;
1848 }
1849 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1850 if (squote)
1851 squote = 0;
1852 else
1853 squote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001854 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001855 end--;
1856 }
1857 else if (*line == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001858 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1859 * C equivalent value. Other combinations left unchanged (eg: \1).
1860 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001861 int skip = 0;
1862 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1863 *line = line[1];
1864 skip = 1;
1865 }
1866 else if (line[1] == 'r') {
1867 *line = '\r';
1868 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001869 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001870 else if (line[1] == 'n') {
1871 *line = '\n';
1872 skip = 1;
1873 }
1874 else if (line[1] == 't') {
1875 *line = '\t';
1876 skip = 1;
1877 }
1878 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001879 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001880 unsigned char hex1, hex2;
1881 hex1 = toupper(line[2]) - '0';
1882 hex2 = toupper(line[3]) - '0';
1883 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1884 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1885 *line = (hex1<<4) + hex2;
1886 skip = 3;
1887 }
1888 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001889 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001890 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001891 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001892 } else if (line[1] == '"') {
1893 *line = '"';
1894 skip = 1;
1895 } else if (line[1] == '\'') {
1896 *line = '\'';
1897 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001898 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1899 *line = '$';
1900 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001901 }
1902 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001903 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001904 end -= skip;
1905 }
1906 line++;
1907 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001908 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001909 /* end of string, end of loop */
1910 *line = 0;
1911 break;
1912 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001913 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001914 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001915 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001916 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001917 line++;
1918 args[++arg] = line;
1919 }
William Lallemandb2f07452015-05-12 14:27:13 +02001920 else if (dquote && *line == '$') {
1921 /* environment variables are evaluated inside double quotes */
1922 char *var_beg;
1923 char *var_end;
1924 char save_char;
1925 char *value;
1926 int val_len;
1927 int newlinesize;
1928 int braces = 0;
1929
1930 var_beg = line + 1;
1931 var_end = var_beg;
1932
1933 if (*var_beg == '{') {
1934 var_beg++;
1935 var_end++;
1936 braces = 1;
1937 }
1938
1939 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001940 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 +02001941 err_code |= ERR_ALERT | ERR_FATAL;
1942 goto next_line; /* skip current line */
1943 }
1944
1945 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
1946 var_end++;
1947
1948 save_char = *var_end;
1949 *var_end = '\0';
1950 value = getenv(var_beg);
1951 *var_end = save_char;
1952 val_len = value ? strlen(value) : 0;
1953
1954 if (braces) {
1955 if (*var_end == '}') {
1956 var_end++;
1957 braces = 0;
1958 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001959 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001960 err_code |= ERR_ALERT | ERR_FATAL;
1961 goto next_line; /* skip current line */
1962 }
1963 }
1964
1965 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
1966
1967 /* if not enough space in thisline */
1968 if (newlinesize > linesize) {
1969 char *newline;
1970
1971 newline = realloc(thisline, newlinesize * sizeof(*thisline));
1972 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001973 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001974 err_code |= ERR_ALERT | ERR_FATAL;
1975 goto next_line; /* slip current line */
1976 }
1977 /* recompute pointers if realloc returns a new pointer */
1978 if (newline != thisline) {
1979 int i;
1980 int diff;
1981
1982 for (i = 0; i <= arg; i++) {
1983 diff = args[i] - thisline;
1984 args[i] = newline + diff;
1985 }
1986
1987 diff = var_end - thisline;
1988 var_end = newline + diff;
1989 diff = end - thisline;
1990 end = newline + diff;
1991 diff = line - thisline;
1992 line = newline + diff;
1993 thisline = newline;
1994 }
1995 linesize = newlinesize;
1996 }
1997
1998 /* insert value inside the line */
1999 memmove(line + val_len, var_end, end - var_end + 1);
2000 memcpy(line, value, val_len);
2001 end += val_len - (var_end - line);
2002 line += val_len;
2003 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002004 else {
2005 line++;
2006 }
2007 }
William Lallemandb2f07452015-05-12 14:27:13 +02002008
William Lallemandf9873ba2015-05-05 17:37:14 +02002009 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002010 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002011 err_code |= ERR_ALERT | ERR_FATAL;
2012 }
2013
2014 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002015 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002016 err_code |= ERR_ALERT | ERR_FATAL;
2017 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002018
2019 /* empty line */
2020 if (!**args)
2021 continue;
2022
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002023 if (*line) {
2024 /* we had to stop due to too many args.
2025 * Let's terminate the string, print the offending part then cut the
2026 * last arg.
2027 */
2028 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2029 line++;
2030 *line = '\0';
2031
Christopher Faulet767a84b2017-11-24 16:50:31 +01002032 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2033 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002034 err_code |= ERR_ALERT | ERR_FATAL;
2035 args[arg] = line;
2036 }
2037
Willy Tarreau540abe42007-05-02 20:50:16 +02002038 /* zero out remaining args and ensure that at least one entry
2039 * is zeroed out.
2040 */
2041 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002042 args[arg] = line;
2043 }
2044
Willy Tarreau3842f002009-06-14 11:39:52 +02002045 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002046 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002047 char *tmp;
2048
Willy Tarreau3842f002009-06-14 11:39:52 +02002049 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002050 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002051 for (arg=0; *args[arg+1]; arg++)
2052 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002053 *tmp = '\0'; // fix the next arg to \0
2054 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002055 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002056 else if (!strcmp(args[0], "default")) {
2057 kwm = KWM_DEF;
2058 for (arg=0; *args[arg+1]; arg++)
2059 args[arg] = args[arg+1]; // shift args after inversion
2060 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002061
William Lallemand0f99e342011-10-12 17:50:54 +02002062 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01002063 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
2064 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 +02002065 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002066 }
2067
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002068 /* detect section start */
2069 list_for_each_entry(ics, &sections, list) {
2070 if (strcmp(args[0], ics->section_name) == 0) {
2071 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002072 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002073 cs = ics;
2074 break;
2075 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002076 }
2077
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002078 if (pcs && pcs->post_section_parser) {
2079 err_code |= pcs->post_section_parser();
2080 if (err_code & ERR_ABORT)
2081 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002082 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002083 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002084
William Lallemandd2ff56d2017-10-16 11:06:50 +02002085 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002086 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002087 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002088 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002089 err_code |= cs->section_parser(file, linenum, args, kwm);
2090 if (err_code & ERR_ABORT)
2091 goto err;
2092 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002093 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002094
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002095 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002096 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002097
2098err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002099 free(cfg_scope);
2100 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002101 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002102 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002103 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002104 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002105}
2106
Willy Tarreau64ab6072014-09-16 12:17:36 +02002107/* This function propagates processes from frontend <from> to backend <to> so
2108 * that it is always guaranteed that a backend pointed to by a frontend is
2109 * bound to all of its processes. After that, if the target is a "listen"
2110 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002111 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002112 * checked first to ensure that <to> is already bound to all processes of
2113 * <from>, there is no risk of looping and we ensure to follow the shortest
2114 * path to the destination.
2115 *
2116 * It is possible to set <to> to NULL for the first call so that the function
2117 * takes care of visiting the initial frontend in <from>.
2118 *
2119 * It is important to note that the function relies on the fact that all names
2120 * have already been resolved.
2121 */
2122void propagate_processes(struct proxy *from, struct proxy *to)
2123{
2124 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002125
2126 if (to) {
2127 /* check whether we need to go down */
2128 if (from->bind_proc &&
2129 (from->bind_proc & to->bind_proc) == from->bind_proc)
2130 return;
2131
2132 if (!from->bind_proc && !to->bind_proc)
2133 return;
2134
2135 to->bind_proc = from->bind_proc ?
2136 (to->bind_proc | from->bind_proc) : 0;
2137
2138 /* now propagate down */
2139 from = to;
2140 }
2141
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002142 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002143 return;
2144
Willy Tarreauf6b70012014-12-18 14:00:43 +01002145 if (from->state == PR_STSTOPPED)
2146 return;
2147
Willy Tarreau64ab6072014-09-16 12:17:36 +02002148 /* default_backend */
2149 if (from->defbe.be)
2150 propagate_processes(from, from->defbe.be);
2151
2152 /* use_backend */
2153 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002154 if (rule->dynamic)
2155 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002156 to = rule->be.backend;
2157 propagate_processes(from, to);
2158 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002159}
2160
Willy Tarreaubb925012009-07-23 13:36:36 +02002161/*
2162 * Returns the error code, 0 if OK, or any combination of :
2163 * - ERR_ABORT: must abort ASAP
2164 * - ERR_FATAL: we can continue parsing but not start the service
2165 * - ERR_WARN: a warning has been emitted
2166 * - ERR_ALERT: an alert has been emitted
2167 * Only the two first ones can stop processing, the two others are just
2168 * indicators.
2169 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002170int check_config_validity()
2171{
2172 int cfgerr = 0;
2173 struct proxy *curproxy = NULL;
2174 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002175 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002176 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002177 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002178 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002179 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002180 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002181
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002182 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002183 /*
2184 * Now, check for the integrity of all that we have collected.
2185 */
2186
2187 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002188 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002189
Willy Tarreau193b8c62012-11-22 00:17:38 +01002190 if (!global.tune.max_http_hdr)
2191 global.tune.max_http_hdr = MAX_HTTP_HDR;
2192
2193 if (!global.tune.cookie_len)
2194 global.tune.cookie_len = CAPTURE_LEN;
2195
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002196 if (!global.tune.requri_len)
2197 global.tune.requri_len = REQURI_LEN;
2198
Willy Tarreau149ab772019-01-26 14:27:06 +01002199 if (!global.nbthread) {
2200 /* nbthread not set, thus automatic. In this case, and only if
2201 * running on a single process, we enable the same number of
2202 * threads as the number of CPUs the process is bound to. This
2203 * allows to easily control the number of threads using taskset.
2204 */
2205 global.nbthread = 1;
2206#if defined(USE_THREAD)
2207 if (global.nbproc == 1)
2208 global.nbthread = thread_cpus_enabled_at_boot;
2209 all_threads_mask = nbits(global.nbthread);
2210#endif
2211 }
2212
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002213 if (global.nbproc > 1 && global.nbthread > 1) {
2214 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2215 err_code |= ERR_ALERT | ERR_FATAL;
2216 goto out;
2217 }
2218
Willy Tarreaubafbe012017-11-24 17:34:44 +01002219 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002220
Willy Tarreaubafbe012017-11-24 17:34:44 +01002221 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002222
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002223 /* Post initialisation of the users and groups lists. */
2224 err_code = userlist_postinit();
2225 if (err_code != ERR_NONE)
2226 goto out;
2227
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002228 /* first, we will invert the proxy list order */
2229 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002230 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002231 struct proxy *next;
2232
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002233 next = proxies_list->next;
2234 proxies_list->next = curproxy;
2235 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002236 if (!next)
2237 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002238 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002239 }
2240
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002241 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002242 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002243 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002244 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002245 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002246 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002247 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002248 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002249
Willy Tarreau050536d2012-10-04 08:47:34 +02002250 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002251 /* proxy ID not set, use automatic numbering with first
2252 * spare entry starting with next_pxid.
2253 */
2254 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2255 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2256 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002257 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002258 next_pxid++;
2259
Willy Tarreau55ea7572007-06-17 19:56:27 +02002260
Willy Tarreaubaaee002006-06-26 02:48:02 +02002261 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002262 /* ensure we don't keep listeners uselessly bound */
2263 stop_proxy(curproxy);
Willy Tarreau02df7742015-05-01 19:59:56 +02002264 free((void *)curproxy->table.peers.name);
2265 curproxy->table.peers.p = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002266 continue;
2267 }
2268
Willy Tarreau102df612014-05-07 23:56:38 +02002269 /* Check multi-process mode compatibility for the current proxy */
2270
2271 if (curproxy->bind_proc) {
2272 /* an explicit bind-process was specified, let's check how many
2273 * processes remain.
2274 */
David Carliere6c39412015-07-02 07:00:17 +00002275 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002276
Willy Tarreaua38a7172019-02-02 17:11:28 +01002277 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002278 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002279 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 +02002280 curproxy->bind_proc = 1;
2281 }
2282 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002283 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 +02002284 curproxy->bind_proc = 0;
2285 }
2286 }
2287
Willy Tarreau3d209582014-05-09 17:06:11 +02002288 /* check and reduce the bind-proc of each listener */
2289 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2290 unsigned long mask;
2291
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002292 /* HTTP frontends with "h2" as ALPN/NPN will work in
2293 * HTTP/2 and absolutely require buffers 16kB or larger.
2294 */
2295#ifdef USE_OPENSSL
2296 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2297#ifdef OPENSSL_NPN_NEGOTIATED
2298 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002299 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002300 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",
2301 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002302 cfgerr++;
2303 }
2304#endif
2305#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2306 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002307 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002308 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",
2309 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002310 cfgerr++;
2311 }
2312#endif
2313 } /* HTTP && bufsize < 16384 */
2314#endif
2315
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002316 /* detect and address thread affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002317 mask = thread_mask(bind_conf->bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002318 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002319 unsigned long new_mask = 0;
2320
2321 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002322 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002323 mask >>= global.nbthread;
2324 }
2325
Willy Tarreaua36b3242019-02-02 13:14:34 +01002326 bind_conf->bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002327 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",
2328 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2329 }
2330
2331 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaua36b3242019-02-02 13:14:34 +01002332 mask = proc_mask(bind_conf->bind_proc) & proc_mask(curproxy->bind_proc);
2333 if (!(mask & all_proc_mask)) {
2334 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
2335 nbproc = my_popcountl(bind_conf->bind_proc);
2336 bind_conf->bind_proc = proc_mask(bind_conf->bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002337
Willy Tarreaua36b3242019-02-02 13:14:34 +01002338 if (!bind_conf->bind_proc && nbproc == 1) {
2339 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",
2340 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2341 bind_conf->bind_proc = mask & ~(mask - 1);
2342 }
2343 else if (!bind_conf->bind_proc && nbproc > 1) {
2344 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",
2345 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
2346 bind_conf->bind_proc = 0;
2347 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002348 }
2349 }
2350
Willy Tarreauff01a212009-03-15 13:46:16 +01002351 switch (curproxy->mode) {
2352 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002353 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002354 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002355 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2356 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002357 cfgerr++;
2358 }
2359
2360 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002361 ha_warning("config : servers will be ignored for %s '%s'.\n",
2362 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002363 break;
2364
2365 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002366 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002367 break;
2368
2369 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002370 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002371 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002372
2373 case PR_MODE_CLI:
2374 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2375 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002376 }
2377
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002378 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002379 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2380 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002381 err_code |= ERR_WARN;
2382 }
2383
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002384 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002385 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002386 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002387 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2388 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002389 cfgerr++;
2390 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002391#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002392 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002393 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2394 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002395 cfgerr++;
2396 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002397#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002398 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002399 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2400 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002401 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002402 }
2403 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002404 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002405 /* If no LB algo is set in a backend, and we're not in
2406 * transparent mode, dispatch mode nor proxy mode, we
2407 * want to use balance roundrobin by default.
2408 */
2409 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2410 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002411 }
2412 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002413
Willy Tarreau1620ec32011-08-06 17:05:02 +02002414 if (curproxy->options & PR_O_DISPATCH)
2415 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2416 else if (curproxy->options & PR_O_HTTP_PROXY)
2417 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2418 else if (curproxy->options & PR_O_TRANSP)
2419 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002420
Willy Tarreau1620ec32011-08-06 17:05:02 +02002421 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2422 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002423 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2424 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002425 err_code |= ERR_WARN;
2426 curproxy->options &= ~PR_O_DISABLE404;
2427 }
2428 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002429 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2430 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002431 err_code |= ERR_WARN;
2432 curproxy->options &= ~PR_O2_CHK_SNDST;
2433 }
Willy Tarreauef781042010-01-27 11:53:01 +01002434 }
2435
Simon Horman98637e52014-06-20 12:30:16 +09002436 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2437 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002438 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2439 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002440 cfgerr++;
2441 }
2442 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002443 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2444 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002445 cfgerr++;
2446 }
2447 }
2448
Simon Horman64e34162015-02-06 11:11:57 +09002449 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002450 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002451 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2452 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2453 "'email-alert myhostname', or 'email-alert to' "
2454 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2455 "to be present).\n",
2456 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002457 err_code |= ERR_WARN;
2458 free_email_alert(curproxy);
2459 }
2460 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002461 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002462 }
2463
Simon Horman98637e52014-06-20 12:30:16 +09002464 if (curproxy->check_command) {
2465 int clear = 0;
2466 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002467 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2468 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002469 err_code |= ERR_WARN;
2470 clear = 1;
2471 }
2472 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002473 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2474 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002475 cfgerr++;
2476 }
2477 if (clear) {
2478 free(curproxy->check_command);
2479 curproxy->check_command = NULL;
2480 }
2481 }
2482
2483 if (curproxy->check_path) {
2484 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002485 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2486 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002487 err_code |= ERR_WARN;
2488 free(curproxy->check_path);
2489 curproxy->check_path = NULL;
2490 }
2491 }
2492
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002493 /* if a default backend was specified, let's find it */
2494 if (curproxy->defbe.name) {
2495 struct proxy *target;
2496
Willy Tarreauafb39922015-05-26 12:04:09 +02002497 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002498 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002499 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2500 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002501 cfgerr++;
2502 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002503 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2504 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002505 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002506 } else if (target->mode != curproxy->mode &&
2507 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2508
Christopher Faulet767a84b2017-11-24 16:50:31 +01002509 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2510 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2511 curproxy->conf.file, curproxy->conf.line,
2512 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2513 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002514 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002515 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2516 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",
2517 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2518 curproxy->conf.file, curproxy->conf.line,
2519 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2520 target->conf.file, target->conf.line);
2521 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002522 } else {
2523 free(curproxy->defbe.name);
2524 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002525 /* Emit a warning if this proxy also has some servers */
2526 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002527 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2528 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002529 err_code |= ERR_WARN;
2530 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002531 }
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;
2602 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002603 }
2604
Willy Tarreau64ab6072014-09-16 12:17:36 +02002605 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002606 list_for_each_entry(srule, &curproxy->server_rules, list) {
2607 struct server *target = findserver(curproxy, srule->srv.name);
2608
2609 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002610 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2611 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002612 cfgerr++;
2613 continue;
2614 }
2615 free((void *)srule->srv.name);
2616 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002617 }
2618
Emeric Brunb982a3d2010-01-04 15:45:53 +01002619 /* find the target table for 'stick' rules */
2620 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
2621 struct proxy *target;
2622
Emeric Brun1d33b292010-01-04 15:47:17 +01002623 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2624 if (mrule->flags & STK_IS_STORE)
2625 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2626
Emeric Brunb982a3d2010-01-04 15:45:53 +01002627 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002628 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002629 else
2630 target = curproxy;
2631
2632 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002633 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
2634 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002635 cfgerr++;
2636 }
2637 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002638 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2639 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002640 cfgerr++;
2641 }
Willy Tarreau12785782012-04-27 21:37:17 +02002642 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002643 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2644 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002645 cfgerr++;
2646 }
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002647 else if (curproxy->bind_proc & ~target->bind_proc) {
2648 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2649 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002650 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002651 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002652 else {
2653 free((void *)mrule->table.name);
2654 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002655 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002656 }
2657 }
2658
2659 /* find the target table for 'store response' rules */
2660 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
2661 struct proxy *target;
2662
Emeric Brun1d33b292010-01-04 15:47:17 +01002663 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2664
Emeric Brunb982a3d2010-01-04 15:45:53 +01002665 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002666 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002667 else
2668 target = curproxy;
2669
2670 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002671 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
2672 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002673 cfgerr++;
2674 }
2675 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002676 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2677 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002678 cfgerr++;
2679 }
Willy Tarreau12785782012-04-27 21:37:17 +02002680 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002681 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2682 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002683 cfgerr++;
2684 }
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002685 else if (curproxy->bind_proc & ~target->bind_proc) {
2686 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
2687 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01002688 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01002689 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01002690 else {
2691 free((void *)mrule->table.name);
2692 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002693 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002694 }
2695 }
2696
Christopher Faulete4e830d2017-09-18 14:51:41 +02002697 /* check validity for 'tcp-request' layer 4 rules */
2698 list_for_each_entry(arule, &curproxy->tcp_req.l4_rules, list) {
2699 err = NULL;
2700 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002701 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002702 free(err);
Willy Tarreau5f53de72012-12-12 00:25:44 +01002703 cfgerr++;
2704 }
Willy Tarreaud1f96522010-08-03 19:34:32 +02002705 }
2706
Christopher Faulete4e830d2017-09-18 14:51:41 +02002707 /* check validity for 'tcp-request' layer 5 rules */
2708 list_for_each_entry(arule, &curproxy->tcp_req.l5_rules, list) {
2709 err = NULL;
2710 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002711 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002712 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002713 cfgerr++;
2714 }
2715 }
2716
Christopher Faulete4e830d2017-09-18 14:51:41 +02002717 /* check validity for 'tcp-request' layer 6 rules */
2718 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
2719 err = NULL;
2720 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002721 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002722 free(err);
Baptiste Assmanne9544932015-11-03 23:31:35 +01002723 cfgerr++;
2724 }
2725 }
2726
Christopher Faulete4e830d2017-09-18 14:51:41 +02002727 /* check validity for 'http-request' layer 7 rules */
2728 list_for_each_entry(arule, &curproxy->http_req_rules, list) {
2729 err = NULL;
2730 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002731 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002732 free(err);
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002733 cfgerr++;
2734 }
Ruoshan Huange4edc6b2016-07-14 15:07:45 +08002735 }
2736
Christopher Faulete4e830d2017-09-18 14:51:41 +02002737 /* check validity for 'http-response' layer 7 rules */
2738 list_for_each_entry(arule, &curproxy->http_res_rules, list) {
2739 err = NULL;
2740 if (arule->check_ptr && !arule->check_ptr(arule, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002741 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulete4e830d2017-09-18 14:51:41 +02002742 free(err);
Willy Tarreau09448f72014-06-25 18:12:15 +02002743 cfgerr++;
2744 }
Willy Tarreau09448f72014-06-25 18:12:15 +02002745 }
2746
Willy Tarreaub3dc39d2014-04-28 22:06:57 +02002747 /* move any "block" rules at the beginning of the http-request rules */
2748 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
2749 /* insert block_rules into http_req_rules at the beginning */
2750 curproxy->block_rules.p->n = curproxy->http_req_rules.n;
2751 curproxy->http_req_rules.n->p = curproxy->block_rules.p;
2752 curproxy->block_rules.n->p = &curproxy->http_req_rules;
2753 curproxy->http_req_rules.n = curproxy->block_rules.n;
2754 LIST_INIT(&curproxy->block_rules);
2755 }
2756
Emeric Brun32da3c42010-09-23 18:39:19 +02002757 if (curproxy->table.peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002758 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002759
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02002760 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +02002761 if (strcmp(curpeers->id, curproxy->table.peers.name) == 0) {
2762 free((void *)curproxy->table.peers.name);
Willy Tarreau973ca492013-01-17 21:34:52 +01002763 curproxy->table.peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02002764 break;
2765 }
2766 }
2767
2768 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002769 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
2770 curproxy->id, curproxy->table.peers.name);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002771 free((void *)curproxy->table.peers.name);
2772 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002773 cfgerr++;
2774 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02002775 else if (curpeers->state == PR_STSTOPPED) {
2776 /* silently disable this peers section */
2777 curproxy->table.peers.p = NULL;
2778 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002779 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002780 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
2781 curproxy->id, localpeer, curpeers->id);
Willy Tarreaud66bf962011-10-28 14:16:49 +02002782 curproxy->table.peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02002783 cfgerr++;
2784 }
2785 }
2786
Simon Horman9dc49962015-01-30 11:22:59 +09002787
2788 if (curproxy->email_alert.mailers.name) {
2789 struct mailers *curmailers = mailers;
2790
2791 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Christopher Faulet0108bb32017-10-20 21:34:32 +02002792 if (!strcmp(curmailers->id, curproxy->email_alert.mailers.name))
Simon Horman9dc49962015-01-30 11:22:59 +09002793 break;
Simon Horman9dc49962015-01-30 11:22:59 +09002794 }
Simon Horman9dc49962015-01-30 11:22:59 +09002795 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002796 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
2797 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09002798 free_email_alert(curproxy);
2799 cfgerr++;
2800 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02002801 else {
2802 err = NULL;
2803 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002804 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02002805 free(err);
2806 cfgerr++;
2807 }
2808 }
Simon Horman9dc49962015-01-30 11:22:59 +09002809 }
2810
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002811 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & ST_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01002812 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002813 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002814 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
2815 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002816 cfgerr++;
2817 goto out_uri_auth_compat;
2818 }
2819
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002820 if (curproxy->uri_auth && curproxy->uri_auth->userlist && !(curproxy->uri_auth->flags & ST_CONVDONE)) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002821 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02002822 struct act_rule *rule;
Willy Tarreau95fa4692010-02-01 13:05:50 +01002823 int i = 0;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002824
Willy Tarreau95fa4692010-02-01 13:05:50 +01002825 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
2826 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002827
2828 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002829 uri_auth_compat_req[i++] = "realm";
2830 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
2831 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002832
Willy Tarreau95fa4692010-02-01 13:05:50 +01002833 uri_auth_compat_req[i++] = "unless";
2834 uri_auth_compat_req[i++] = "{";
2835 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
2836 uri_auth_compat_req[i++] = "}";
2837 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002838
Willy Tarreauff011f22011-01-06 17:51:27 +01002839 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
2840 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01002841 cfgerr++;
2842 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002843 }
2844
Willy Tarreauff011f22011-01-06 17:51:27 +01002845 LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01002846
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002847 if (curproxy->uri_auth->auth_realm) {
2848 free(curproxy->uri_auth->auth_realm);
2849 curproxy->uri_auth->auth_realm = NULL;
2850 }
Krzysztof Piotr Oledzki329f74d2010-02-22 20:27:23 +01002851
2852 curproxy->uri_auth->flags |= ST_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01002853 }
2854out_uri_auth_compat:
2855
Dragan Dosen43885c72015-10-01 13:18:13 +02002856 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02002857 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02002858 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
2859 if (!curproxy->conf.logformat_sd_string) {
2860 /* set the default logformat_sd_string */
2861 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
2862 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002863 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02002864 }
Dragan Dosen1322d092015-09-22 16:05:32 +02002865 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02002866
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002867 /* compile the log format */
2868 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02002869 if (curproxy->conf.logformat_string != default_http_log_format &&
2870 curproxy->conf.logformat_string != default_tcp_log_format &&
2871 curproxy->conf.logformat_string != clf_http_log_format)
2872 free(curproxy->conf.logformat_string);
2873 curproxy->conf.logformat_string = NULL;
2874 free(curproxy->conf.lfs_file);
2875 curproxy->conf.lfs_file = NULL;
2876 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002877
2878 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
2879 free(curproxy->conf.logformat_sd_string);
2880 curproxy->conf.logformat_sd_string = NULL;
2881 free(curproxy->conf.lfsd_file);
2882 curproxy->conf.lfsd_file = NULL;
2883 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002884 }
2885
Willy Tarreau62a61232013-04-12 18:13:46 +02002886 if (curproxy->conf.logformat_string) {
2887 curproxy->conf.args.ctx = ARGC_LOG;
2888 curproxy->conf.args.file = curproxy->conf.lfs_file;
2889 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002890 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002891 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat, LOG_OPT_MANDATORY,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002892 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002893 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
2894 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002895 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002896 cfgerr++;
2897 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002898 curproxy->conf.args.file = NULL;
2899 curproxy->conf.args.line = 0;
2900 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002901
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002902 if (curproxy->conf.logformat_sd_string) {
2903 curproxy->conf.args.ctx = ARGC_LOGSD;
2904 curproxy->conf.args.file = curproxy->conf.lfsd_file;
2905 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002906 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002907 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 +01002908 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002909 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2910 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002911 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002912 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002913 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002914 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
2915 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002916 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002917 cfgerr++;
2918 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02002919 curproxy->conf.args.file = NULL;
2920 curproxy->conf.args.line = 0;
2921 }
2922
Willy Tarreau62a61232013-04-12 18:13:46 +02002923 if (curproxy->conf.uniqueid_format_string) {
2924 curproxy->conf.args.ctx = ARGC_UIF;
2925 curproxy->conf.args.file = curproxy->conf.uif_file;
2926 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002927 err = NULL;
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002928 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 +01002929 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002930 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
2931 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002932 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002933 cfgerr++;
2934 }
Willy Tarreau62a61232013-04-12 18:13:46 +02002935 curproxy->conf.args.file = NULL;
2936 curproxy->conf.args.line = 0;
2937 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002938
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002939 /* only now we can check if some args remain unresolved.
2940 * This must be done after the users and groups resolution.
2941 */
Willy Tarreaua4312fa2013-04-02 16:34:32 +02002942 cfgerr += smp_resolve_args(curproxy);
2943 if (!cfgerr)
2944 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01002945
Willy Tarreau2738a142006-07-08 17:28:09 +02002946 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002947 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02002948 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02002949 (!curproxy->timeout.connect ||
2950 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002951 ha_warning("config : missing timeouts for %s '%s'.\n"
2952 " | While not properly invalid, you will certainly encounter various problems\n"
2953 " | with such a configuration. To fix this, please ensure that all following\n"
2954 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
2955 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002956 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02002957 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02002958
Willy Tarreau1fa31262007-12-03 00:36:16 +01002959 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
2960 * We must still support older configurations, so let's find out whether those
2961 * parameters have been set or must be copied from contimeouts.
2962 */
2963 if (curproxy != &defproxy) {
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002964 if (!curproxy->timeout.tarpit ||
2965 curproxy->timeout.tarpit == defproxy.timeout.tarpit) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002966 /* tarpit timeout not set. We search in the following order:
2967 * default.tarpit, curr.connect, default.connect.
2968 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002969 if (defproxy.timeout.tarpit)
Willy Tarreau1fa31262007-12-03 00:36:16 +01002970 curproxy->timeout.tarpit = defproxy.timeout.tarpit;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002971 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002972 curproxy->timeout.tarpit = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002973 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002974 curproxy->timeout.tarpit = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002975 }
2976 if ((curproxy->cap & PR_CAP_BE) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002977 (!curproxy->timeout.queue ||
2978 curproxy->timeout.queue == defproxy.timeout.queue)) {
Willy Tarreau1fa31262007-12-03 00:36:16 +01002979 /* queue timeout not set. We search in the following order:
2980 * default.queue, curr.connect, default.connect.
2981 */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002982 if (defproxy.timeout.queue)
Willy Tarreau1fa31262007-12-03 00:36:16 +01002983 curproxy->timeout.queue = defproxy.timeout.queue;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002984 else if (curproxy->timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002985 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau0c303ee2008-07-07 00:09:58 +02002986 else if (defproxy.timeout.connect)
Willy Tarreaud7c30f92007-12-03 01:38:36 +01002987 curproxy->timeout.queue = defproxy.timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01002988 }
2989 }
2990
Willy Tarreau1620ec32011-08-06 17:05:02 +02002991 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_SSL3_CHK) {
Willy Tarreau137325d2010-02-01 16:38:17 +01002992 curproxy->check_len = sizeof(sslv3_client_hello_pkt) - 1;
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02002993 curproxy->check_req = malloc(curproxy->check_len);
Willy Tarreau137325d2010-02-01 16:38:17 +01002994 memcpy(curproxy->check_req, sslv3_client_hello_pkt, curproxy->check_len);
Willy Tarreauf3c69202006-07-09 16:42:34 +02002995 }
2996
Willy Tarreau215663d2014-06-13 18:30:23 +02002997 if (!LIST_ISEMPTY(&curproxy->tcpcheck_rules) &&
2998 (curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_TCPCHK_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002999 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3000 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003001 err_code |= ERR_WARN;
3002 }
3003
Willy Tarreau193b8c62012-11-22 00:17:38 +01003004 /* ensure that cookie capture length is not too large */
3005 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003006 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3007 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003008 err_code |= ERR_WARN;
3009 curproxy->capture_len = global.tune.cookie_len - 1;
3010 }
3011
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003012 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003013 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003014 curproxy->req_cap_pool = create_pool("ptrcap",
3015 curproxy->nb_req_cap * sizeof(char *),
3016 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003017 }
3018
3019 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003020 curproxy->rsp_cap_pool = create_pool("ptrcap",
3021 curproxy->nb_rsp_cap * sizeof(char *),
3022 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003023 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003024
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003025 switch (curproxy->load_server_state_from_file) {
3026 case PR_SRV_STATE_FILE_UNSPEC:
3027 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3028 break;
3029 case PR_SRV_STATE_FILE_GLOBAL:
3030 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003031 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",
3032 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003033 err_code |= ERR_WARN;
3034 }
3035 break;
3036 }
3037
Willy Tarreaubaaee002006-06-26 02:48:02 +02003038 /* first, we will invert the servers list order */
3039 newsrv = NULL;
3040 while (curproxy->srv) {
3041 struct server *next;
3042
3043 next = curproxy->srv->next;
3044 curproxy->srv->next = newsrv;
3045 newsrv = curproxy->srv;
3046 if (!next)
3047 break;
3048 curproxy->srv = next;
3049 }
3050
Willy Tarreau17edc812014-01-03 12:14:34 +01003051 /* Check that no server name conflicts. This causes trouble in the stats.
3052 * We only emit a warning for the first conflict affecting each server,
3053 * in order to avoid combinatory explosion if all servers have the same
3054 * name. We do that only for servers which do not have an explicit ID,
3055 * because these IDs were made also for distinguishing them and we don't
3056 * want to annoy people who correctly manage them.
3057 */
3058 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3059 struct server *other_srv;
3060
3061 if (newsrv->puid)
3062 continue;
3063
3064 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3065 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003066 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",
3067 newsrv->conf.file, newsrv->conf.line,
3068 proxy_type_str(curproxy), curproxy->id,
3069 newsrv->id, other_srv->conf.line);
Willy Tarreau17edc812014-01-03 12:14:34 +01003070 break;
3071 }
3072 }
3073 }
3074
Willy Tarreaudd701652010-05-25 23:03:02 +02003075 /* assign automatic UIDs to servers which don't have one yet */
3076 next_id = 1;
3077 newsrv = curproxy->srv;
3078 while (newsrv != NULL) {
3079 if (!newsrv->puid) {
3080 /* server ID not set, use automatic numbering with first
3081 * spare entry starting with next_svid.
3082 */
3083 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3084 newsrv->conf.id.key = newsrv->puid = next_id;
3085 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
3086 }
3087 next_id++;
3088 newsrv = newsrv->next;
3089 }
3090
Willy Tarreau20697042007-11-15 23:26:18 +01003091 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003092 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003093
Willy Tarreau62c3be22012-01-20 13:12:32 +01003094 /*
3095 * If this server supports a maxconn parameter, it needs a dedicated
3096 * tasks to fill the emptied slots when a connection leaves.
3097 * Also, resolve deferred tracking dependency if needed.
3098 */
3099 newsrv = curproxy->srv;
3100 while (newsrv != NULL) {
3101 if (newsrv->minconn > newsrv->maxconn) {
3102 /* Only 'minconn' was specified, or it was higher than or equal
3103 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3104 * this will avoid further useless expensive computations.
3105 */
3106 newsrv->maxconn = newsrv->minconn;
3107 } else if (newsrv->maxconn && !newsrv->minconn) {
3108 /* minconn was not specified, so we set it to maxconn */
3109 newsrv->minconn = newsrv->maxconn;
3110 }
3111
Willy Tarreau17d45382016-12-22 21:16:08 +01003112 /* this will also properly set the transport layer for prod and checks */
3113 if (newsrv->use_ssl || newsrv->check.use_ssl) {
3114 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3115 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3116 }
Emeric Brun94324a42012-10-11 14:00:19 +02003117
Willy Tarreau2f075e92013-12-03 11:11:34 +01003118 /* set the check type on the server */
3119 newsrv->check.type = curproxy->options2 & PR_O2_CHK_ANY;
3120
Willy Tarreau62c3be22012-01-20 13:12:32 +01003121 if (newsrv->trackit) {
3122 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003123 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003124 char *pname, *sname;
3125
3126 pname = newsrv->trackit;
3127 sname = strrchr(pname, '/');
3128
3129 if (sname)
3130 *sname++ = '\0';
3131 else {
3132 sname = pname;
3133 pname = NULL;
3134 }
3135
3136 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003137 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003138 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003139 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3140 proxy_type_str(curproxy), curproxy->id,
3141 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003142 cfgerr++;
3143 goto next_srv;
3144 }
3145 } else
3146 px = curproxy;
3147
3148 srv = findserver(px, sname);
3149 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003150 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3151 proxy_type_str(curproxy), curproxy->id,
3152 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003153 cfgerr++;
3154 goto next_srv;
3155 }
3156
Willy Tarreau32091232014-05-16 13:52:00 +02003157 if (!(srv->check.state & CHK_ST_CONFIGURED) &&
3158 !(srv->agent.state & CHK_ST_CONFIGURED) &&
3159 !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003160 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3161 "tracking as it does not have any check nor agent enabled.\n",
3162 proxy_type_str(curproxy), curproxy->id,
3163 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003164 cfgerr++;
3165 goto next_srv;
3166 }
3167
3168 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3169
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003170 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003171 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3172 "belongs to a tracking chain looping back to %s/%s.\n",
3173 proxy_type_str(curproxy), curproxy->id,
3174 newsrv->id, px->id, srv->id, px->id,
3175 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003176 cfgerr++;
3177 goto next_srv;
3178 }
3179
3180 if (curproxy != px &&
3181 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003182 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3183 "tracking: disable-on-404 option inconsistency.\n",
3184 proxy_type_str(curproxy), curproxy->id,
3185 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003186 cfgerr++;
3187 goto next_srv;
3188 }
3189
Willy Tarreau62c3be22012-01-20 13:12:32 +01003190 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003191 newsrv->tracknext = srv->trackers;
3192 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003193
3194 free(newsrv->trackit);
3195 newsrv->trackit = NULL;
3196 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003197
Willy Tarreau62c3be22012-01-20 13:12:32 +01003198 next_srv:
3199 newsrv = newsrv->next;
3200 }
3201
Olivier Houchard4e694042017-03-14 20:01:29 +01003202 /*
3203 * Try to generate dynamic cookies for servers now.
3204 * It couldn't be done earlier, since at the time we parsed
3205 * the server line, we may not have known yet that we
3206 * should use dynamic cookies, or the secret key may not
3207 * have been provided yet.
3208 */
3209 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3210 newsrv = curproxy->srv;
3211 while (newsrv != NULL) {
3212 srv_set_dyncookie(newsrv);
3213 newsrv = newsrv->next;
3214 }
3215
3216 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003217 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003218 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003219 */
3220
3221 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3222 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3223 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003224 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3225 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3226 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003227 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3228 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3229 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003230 } else {
3231 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3232 fwrr_init_server_groups(curproxy);
3233 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003234 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003235
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003236 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003237 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3238 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3239 fwlc_init_server_tree(curproxy);
3240 } else {
3241 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3242 fas_init_server_tree(curproxy);
3243 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003244 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003245
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003246 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003247 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3248 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3249 chash_init_server_tree(curproxy);
3250 } else {
3251 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3252 init_server_map(curproxy);
3253 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003254 break;
3255 }
Christopher Faulet2a944ee2017-11-07 10:42:54 +01003256 HA_SPIN_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003257
3258 if (curproxy->options & PR_O_LOGASAP)
3259 curproxy->to_log &= ~LW_BYTES;
3260
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003261 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003262 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3263 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003264 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3265 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003266 err_code |= ERR_WARN;
3267 }
3268
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003269 if (curproxy->mode != PR_MODE_HTTP) {
3270 int optnum;
3271
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003272 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003273 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3274 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003275 err_code |= ERR_WARN;
3276 curproxy->uri_auth = NULL;
3277 }
3278
Willy Tarreaude7dc882017-03-10 11:49:21 +01003279 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003280 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3281 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003282 err_code |= ERR_WARN;
3283 }
3284
3285 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003286 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3287 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003288 err_code |= ERR_WARN;
3289 }
3290
3291 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003292 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3293 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003294 err_code |= ERR_WARN;
3295 }
3296
3297 if (!LIST_ISEMPTY(&curproxy->block_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003298 ha_warning("config : 'block' rules ignored for %s '%s' as they require HTTP mode.\n",
3299 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003300 err_code |= ERR_WARN;
3301 }
3302
3303 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003304 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3305 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003306 err_code |= ERR_WARN;
3307 }
3308
Willy Tarreau87cf5142011-08-19 22:57:24 +02003309 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003310 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3311 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003312 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003313 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003314 }
3315
3316 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003317 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3318 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003319 err_code |= ERR_WARN;
3320 curproxy->options &= ~PR_O_ORGTO;
3321 }
3322
3323 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3324 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3325 (curproxy->cap & cfg_opts[optnum].cap) &&
3326 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003327 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3328 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003329 err_code |= ERR_WARN;
3330 curproxy->options &= ~cfg_opts[optnum].val;
3331 }
3332 }
3333
3334 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3335 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3336 (curproxy->cap & cfg_opts2[optnum].cap) &&
3337 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003338 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3339 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003340 err_code |= ERR_WARN;
3341 curproxy->options2 &= ~cfg_opts2[optnum].val;
3342 }
3343 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003344
Willy Tarreau29fbe512015-08-20 19:35:14 +02003345#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003346 if (curproxy->conn_src.bind_hdr_occ) {
3347 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003348 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3349 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003350 err_code |= ERR_WARN;
3351 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003352#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003353 }
3354
Willy Tarreaubaaee002006-06-26 02:48:02 +02003355 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003356 * ensure that we're not cross-dressing a TCP server into HTTP.
3357 */
3358 newsrv = curproxy->srv;
3359 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003360 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003361 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3362 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003363 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003364 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003365
Willy Tarreau0cec3312011-10-31 13:49:26 +01003366 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003367 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3368 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003369 err_code |= ERR_WARN;
3370 }
3371
Willy Tarreauc93cd162014-05-13 15:54:22 +02003372 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003373 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3374 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003375 err_code |= ERR_WARN;
3376 }
3377
Willy Tarreau29fbe512015-08-20 19:35:14 +02003378#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003379 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3380 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003381 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3382 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003383 err_code |= ERR_WARN;
3384 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003385#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003386
Willy Tarreau46deab62018-04-28 07:18:15 +02003387 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3388 curproxy->options &= ~PR_O_REUSE_MASK;
3389
Willy Tarreau21d2af32008-02-14 20:25:24 +01003390 newsrv = newsrv->next;
3391 }
3392
Willy Tarreaue42bd962014-09-16 16:21:19 +02003393 /* check if we have a frontend with "tcp-request content" looking at L7
3394 * with no inspect-delay
3395 */
3396 if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
Christopher Faulete4e830d2017-09-18 14:51:41 +02003397 list_for_each_entry(arule, &curproxy->tcp_req.inspect_rules, list) {
3398 if (arule->action == ACT_TCP_CAPTURE &&
3399 !(arule->arg.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003400 break;
Christopher Faulete4e830d2017-09-18 14:51:41 +02003401 if ((arule->action >= ACT_ACTION_TRK_SC0 && arule->action <= ACT_ACTION_TRK_SCMAX) &&
3402 !(arule->arg.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
Willy Tarreaue42bd962014-09-16 16:21:19 +02003403 break;
3404 }
3405
Christopher Faulete4e830d2017-09-18 14:51:41 +02003406 if (&arule->list != &curproxy->tcp_req.inspect_rules) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003407 ha_warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
3408 " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
3409 " This means that these rules will randomly find their contents. This can be fixed by"
3410 " setting the tcp-request inspect-delay.\n",
3411 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue42bd962014-09-16 16:21:19 +02003412 err_code |= ERR_WARN;
3413 }
3414 }
3415
Christopher Fauletd7c91962015-04-30 11:48:27 +02003416 /* Check filter configuration, if any */
3417 cfgerr += flt_check(curproxy);
3418
Willy Tarreauc1a21672009-08-16 22:37:44 +02003419 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003420 if (!curproxy->accept)
3421 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003422
Willy Tarreauc1a21672009-08-16 22:37:44 +02003423 if (curproxy->tcp_req.inspect_delay ||
3424 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003425 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003426
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003427 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003428 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003429 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003430 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003431
William Lallemandcf62f7e2018-10-26 14:47:40 +02003432 if (curproxy->mode == PR_MODE_CLI) {
3433 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3434 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3435 }
3436
Willy Tarreauc1a21672009-08-16 22:37:44 +02003437 /* both TCP and HTTP must check switching rules */
3438 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003439
3440 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003441 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003442 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3443 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 +01003444 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003445 curproxy->fe_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3446 curproxy->fe_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003447 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003448 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003449 }
3450
3451 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003452 if (curproxy->tcp_req.inspect_delay ||
3453 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3454 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3455
Emeric Brun97679e72010-09-23 17:56:44 +02003456 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3457 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3458
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003459 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003460 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003461 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003462 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003463
3464 /* If the backend does requires RDP cookie persistence, we have to
3465 * enable the corresponding analyser.
3466 */
3467 if (curproxy->options2 & PR_O2_RDPC_PRST)
3468 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003469
3470 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003471 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003472 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3473 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 +01003474 if (curproxy->mode == PR_MODE_HTTP) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003475 curproxy->be_req_ana |= AN_REQ_FLT_HTTP_HDRS;
3476 curproxy->be_rsp_ana |= AN_RES_FLT_HTTP_HDRS;
Christopher Faulet309c6412015-12-02 09:57:32 +01003477 }
Christopher Fauletd7c91962015-04-30 11:48:27 +02003478 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003479 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003480
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003481 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003482 * attached to the current proxy */
3483 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3484 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003485 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003486
Christopher Faulet49040582019-04-24 15:25:00 +02003487 /* Special case for HTX because legacy HTTP still exists */
3488 if (mode == PROTO_MODE_HTTP && (curproxy->options2 & PR_O2_USE_HTX))
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003489 mode = PROTO_MODE_HTX;
3490
Christopher Fauleta717b992018-04-10 14:43:00 +02003491 if (!bind_conf->mux_proto)
3492 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003493
3494 /* it is possible that an incorrect mux was referenced
3495 * due to the proxy's mode not being taken into account
3496 * on first pass. Let's adjust it now.
3497 */
3498 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3499
3500 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003501 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3502 proxy_type_str(curproxy), curproxy->id,
3503 (int)bind_conf->mux_proto->token.len,
3504 bind_conf->mux_proto->token.ptr,
3505 bind_conf->arg, bind_conf->file, bind_conf->line);
3506 cfgerr++;
3507 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003508
3509 /* update the mux */
3510 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003511 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003512 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3513 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003514 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003515
Christopher Faulet49040582019-04-24 15:25:00 +02003516 /* Special case for HTX because legacy HTTP still exists */
3517 if (mode == PROTO_MODE_HTTP && (curproxy->options2 & PR_O2_USE_HTX))
Christopher Faulet7ff4f142018-11-20 11:23:52 +01003518 mode = PROTO_MODE_HTX;
3519
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003520 if (!newsrv->mux_proto)
3521 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003522
3523 /* it is possible that an incorrect mux was referenced
3524 * due to the proxy's mode not being taken into account
3525 * on first pass. Let's adjust it now.
3526 */
3527 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3528
3529 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003530 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3531 proxy_type_str(curproxy), curproxy->id,
3532 (int)newsrv->mux_proto->token.len,
3533 newsrv->mux_proto->token.ptr,
3534 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3535 cfgerr++;
3536 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003537
3538 /* update the mux */
3539 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003540 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003541
Christopher Faulet6c9bbb22019-03-26 21:37:23 +01003542 /* the option "http-tunnel" is ignored when HTX is enabled and
3543 * only works with the legacy HTTP. So emit a warning if the
3544 * option is set on a HTX frontend. */
3545 if ((curproxy->cap & PR_CAP_FE) && curproxy->options2 & PR_O2_USE_HTX &&
3546 (curproxy->options & PR_O_HTTP_MODE) == PR_O_HTTP_TUN) {
3547 ha_warning("config : %s '%s' : the option 'http-tunnel' is ignored for HTX proxies.\n",
3548 proxy_type_str(curproxy), curproxy->id);
3549 curproxy->options &= ~PR_O_HTTP_MODE;
3550 }
3551
Willy Tarreau835daa12019-02-07 14:46:29 +01003552 /* initialize idle conns lists */
3553 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3554 int i;
3555
3556 newsrv->priv_conns = calloc(global.nbthread, sizeof(*newsrv->priv_conns));
3557 newsrv->idle_conns = calloc(global.nbthread, sizeof(*newsrv->idle_conns));
3558 newsrv->safe_conns = calloc(global.nbthread, sizeof(*newsrv->safe_conns));
3559
3560 if (!newsrv->priv_conns || !newsrv->idle_conns || !newsrv->safe_conns) {
Willy Tarreau980855b2019-02-07 14:59:29 +01003561 free(newsrv->safe_conns); newsrv->safe_conns = NULL;
3562 free(newsrv->idle_conns); newsrv->idle_conns = NULL;
3563 free(newsrv->priv_conns); newsrv->priv_conns = NULL;
Willy Tarreau835daa12019-02-07 14:46:29 +01003564 ha_alert("parsing [%s:%d] : failed to allocate idle connections for server '%s'.\n",
3565 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3566 cfgerr++;
3567 continue;
3568 }
3569
3570 for (i = 0; i < global.nbthread; i++) {
3571 LIST_INIT(&newsrv->priv_conns[i]);
3572 LIST_INIT(&newsrv->idle_conns[i]);
3573 LIST_INIT(&newsrv->safe_conns[i]);
3574 }
Willy Tarreau980855b2019-02-07 14:59:29 +01003575
3576 if (newsrv->max_idle_conns != 0) {
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003577 if (idle_conn_task == NULL) {
3578 idle_conn_task = task_new(MAX_THREADS_MASK);
3579 if (!idle_conn_task)
3580 goto err;
3581 idle_conn_task->process = srv_cleanup_idle_connections;
3582 idle_conn_task->context = NULL;
3583 for (i = 0; i < global.nbthread; i++) {
3584 idle_conn_cleanup[i] = task_new(1 << i);
3585 if (!idle_conn_cleanup[i])
3586 goto err;
3587 idle_conn_cleanup[i]->process = srv_cleanup_toremove_connections;
3588 idle_conn_cleanup[i]->context = NULL;
3589 LIST_INIT(&toremove_connections[i]);
3590 }
3591 }
Olivier Houcharddd1c8f12019-02-26 18:48:01 +01003592 newsrv->idle_orphan_conns = calloc((unsigned int)global.nbthread, sizeof(*newsrv->idle_orphan_conns));
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003593 if (!newsrv->idle_orphan_conns)
Willy Tarreau980855b2019-02-07 14:59:29 +01003594 goto err;
Olivier Houchard9ea5d362019-02-14 18:29:09 +01003595 for (i = 0; i < global.nbthread; i++)
Willy Tarreau980855b2019-02-07 14:59:29 +01003596 LIST_INIT(&newsrv->idle_orphan_conns[i]);
Olivier Houchardf1314812019-02-18 16:41:17 +01003597 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(int));
3598 if (!newsrv->curr_idle_thr)
3599 goto err;
Willy Tarreau980855b2019-02-07 14:59:29 +01003600 continue;
3601 err:
3602 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3603 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3604 cfgerr++;
3605 continue;
3606 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003607 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003608 }
3609
3610 /***********************************************************/
3611 /* At this point, target names have already been resolved. */
3612 /***********************************************************/
3613
3614 /* Check multi-process mode compatibility */
3615
3616 if (global.nbproc > 1 && global.stats_fe) {
3617 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3618 unsigned long mask;
3619
Willy Tarreau6daac192019-02-02 17:39:53 +01003620 mask = proc_mask(global.stats_fe->bind_proc) && all_proc_mask;
3621 mask &= proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003622
3623 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003624 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003625 break;
3626 }
3627 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003628 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 +02003629 }
3630 }
3631
3632 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003633 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003634 if (curproxy->bind_proc)
3635 continue;
3636
3637 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3638 unsigned long mask;
3639
Willy Tarreau6daac192019-02-02 17:39:53 +01003640 mask = proc_mask(bind_conf->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003641 curproxy->bind_proc |= mask;
3642 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003643 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003644 }
3645
3646 if (global.stats_fe) {
3647 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3648 unsigned long mask;
3649
Cyril Bonté06181952016-02-24 00:14:54 +01003650 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003651 global.stats_fe->bind_proc |= mask;
3652 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003653 global.stats_fe->bind_proc = proc_mask(global.stats_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003654 }
3655
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003656 /* propagate bindings from frontends to backends. Don't do it if there
3657 * are any fatal errors as we must not call it with unresolved proxies.
3658 */
3659 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003660 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003661 if (curproxy->cap & PR_CAP_FE)
3662 propagate_processes(curproxy, NULL);
3663 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003664 }
3665
3666 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003667 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3668 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003669
3670 /*******************************************************/
3671 /* At this step, all proxies have a non-null bind_proc */
3672 /*******************************************************/
3673
3674 /* perform the final checks before creating tasks */
3675
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003676 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003677 struct listener *listener;
3678 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003679
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003680 /* Configure SSL for each bind line.
3681 * Note: if configuration fails at some point, the ->ctx member
3682 * remains NULL so that listeners can later detach.
3683 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003684 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003685 if (bind_conf->xprt->prepare_bind_conf &&
3686 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003687 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003688 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003689
Willy Tarreaue6b98942007-10-29 01:09:36 +01003690 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003691 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003692 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003693 int nbproc;
3694
3695 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003696 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01003697 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003698
3699 if (!nbproc) /* no intersection between listener and frontend */
3700 nbproc = 1;
3701
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003702 if (!listener->luid) {
3703 /* listener ID not set, use automatic numbering with first
3704 * spare entry starting with next_luid.
3705 */
3706 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3707 listener->conf.id.key = listener->luid = next_id;
3708 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003709 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003710 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003711
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003712 /* enable separate counters */
3713 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003714 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003715 if (!listener->name)
3716 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003717 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003718
Willy Tarreaue6b98942007-10-29 01:09:36 +01003719 if (curproxy->options & PR_O_TCP_NOLING)
3720 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01003721 if (!listener->maxaccept)
3722 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3723
3724 /* we want to have an optimal behaviour on single process mode to
3725 * maximize the work at once, but in multi-process we want to keep
3726 * some fairness between processes, so we target half of the max
3727 * number of events to be balanced over all the processes the proxy
3728 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3729 * used to disable the limit.
3730 */
3731 if (listener->maxaccept > 0) {
3732 if (nbproc > 1)
3733 listener->maxaccept = (listener->maxaccept + 1) / 2;
3734 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3735 }
3736
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003737 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003738 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003739 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003740
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003741 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003742 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003743
Willy Tarreau620408f2016-10-21 16:37:51 +02003744 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3745 listener->options |= LI_O_TCP_L5_RULES;
3746
Willy Tarreaude3041d2010-05-31 10:56:17 +02003747 if (curproxy->mon_mask.s_addr)
3748 listener->options |= LI_O_CHK_MONNET;
3749
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003750 /* smart accept mode is automatic in HTTP mode */
3751 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003752 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003753 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3754 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003755 }
3756
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003757 /* Release unused SSL configs */
3758 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003759 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3760 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003761 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003762
Willy Tarreaua38a7172019-02-02 17:11:28 +01003763 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02003764 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003765 int count, maxproc = 0;
3766
3767 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003768 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003769 if (count > maxproc)
3770 maxproc = count;
3771 }
3772 /* backends have 0, frontends have 1 or more */
3773 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003774 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3775 " limited to process assigned to the current request.\n",
3776 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003777
Willy Tarreau102df612014-05-07 23:56:38 +02003778 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003779 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3780 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003781 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003782 }
Willy Tarreau102df612014-05-07 23:56:38 +02003783 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003784 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3785 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003786 }
3787 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003788
3789 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003790 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003791 if (curproxy->task) {
3792 curproxy->task->context = curproxy;
3793 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003794 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003795 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3796 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003797 cfgerr++;
3798 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003799 }
3800
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003801 /*
3802 * Recount currently required checks.
3803 */
3804
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003805 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003806 int optnum;
3807
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003808 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3809 if (curproxy->options & cfg_opts[optnum].val)
3810 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003811
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003812 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3813 if (curproxy->options2 & cfg_opts2[optnum].val)
3814 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003815 }
3816
Willy Tarreau0fca4832015-05-01 19:12:05 +02003817 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003818 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Willy Tarreau0fca4832015-05-01 19:12:05 +02003819 if (curproxy->table.peers.p)
3820 curproxy->table.peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
3821
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003822 if (cfg_peers) {
3823 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003824 struct peer *p, *pb;
3825
Willy Tarreau1e273012015-05-01 19:15:17 +02003826 /* Remove all peers sections which don't have a valid listener,
3827 * which are not used by any table, or which are bound to more
3828 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003829 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003830 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003831 while (*last) {
3832 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003833
3834 if (curpeers->state == PR_STSTOPPED) {
3835 /* the "disabled" keyword was present */
3836 if (curpeers->peers_fe)
3837 stop_proxy(curpeers->peers_fe);
3838 curpeers->peers_fe = NULL;
3839 }
3840 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003841 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3842 curpeers->id, localpeer);
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003843 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003844 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003845 /* either it's totally stopped or too much used */
3846 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003847 ha_alert("Peers section '%s': peers referenced by sections "
3848 "running in different processes (%d different ones). "
3849 "Check global.nbproc and all tables' bind-process "
3850 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003851 cfgerr++;
3852 }
3853 stop_proxy(curpeers->peers_fe);
3854 curpeers->peers_fe = NULL;
3855 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003856 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003857 /* Initializes the transport layer of the server part of all the peers belonging to
3858 * <curpeers> section if required.
3859 * Note that ->srv is used by the local peer of a new process to connect to the local peer
3860 * of an old process.
3861 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003862 p = curpeers->remote;
3863 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003864 if (p->srv) {
3865 if (p->srv->use_ssl && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3866 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3867 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003868 p = p->next;
3869 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01003870 /* Configure the SSL bindings of the local peer if required. */
3871 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3872 struct list *l;
3873 struct bind_conf *bind_conf;
3874
3875 l = &curpeers->peers_fe->conf.bind;
3876 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3877 if (bind_conf->xprt->prepare_bind_conf &&
3878 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3879 cfgerr++;
3880 }
Willy Tarreaud9443442018-10-15 11:18:03 +02003881 if (!peers_init_sync(curpeers)) {
3882 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3883 curpeers->id);
3884 cfgerr++;
3885 break;
3886 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003887 last = &curpeers->next;
3888 continue;
3889 }
3890
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003891 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003892 p = curpeers->remote;
3893 while (p) {
3894 pb = p->next;
3895 free(p->id);
3896 free(p);
3897 p = pb;
3898 }
3899
3900 /* Destroy and unlink this curpeers section.
3901 * Note: curpeers is backed up into *last.
3902 */
3903 free(curpeers->id);
3904 curpeers = curpeers->next;
3905 free(*last);
3906 *last = curpeers;
3907 }
3908 }
3909
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003910 /* initialize stick-tables on backend capable proxies. This must not
3911 * be done earlier because the data size may be discovered while parsing
3912 * other proxies.
3913 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003914 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003915 if (curproxy->state == PR_STSTOPPED)
3916 continue;
3917
3918 if (!stktable_init(&curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003919 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003920 cfgerr++;
3921 }
3922 }
3923
Simon Horman0d16a402015-01-30 11:22:58 +09003924 if (mailers) {
3925 struct mailers *curmailers = mailers, **last;
3926 struct mailer *m, *mb;
3927
3928 /* Remove all mailers sections which don't have a valid listener.
3929 * This can happen when a mailers section is never referenced.
3930 */
3931 last = &mailers;
3932 while (*last) {
3933 curmailers = *last;
3934 if (curmailers->users) {
3935 last = &curmailers->next;
3936 continue;
3937 }
3938
Christopher Faulet767a84b2017-11-24 16:50:31 +01003939 ha_warning("Removing incomplete section 'mailers %s'.\n",
3940 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003941
3942 m = curmailers->mailer_list;
3943 while (m) {
3944 mb = m->next;
3945 free(m->id);
3946 free(m);
3947 m = mb;
3948 }
3949
3950 /* Destroy and unlink this curmailers section.
3951 * Note: curmailers is backed up into *last.
3952 */
3953 free(curmailers->id);
3954 curmailers = curmailers->next;
3955 free(*last);
3956 *last = curmailers;
3957 }
3958 }
3959
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003960 /* Update server_state_file_name to backend name if backend is supposed to use
3961 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003962 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003963 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3964 curproxy->server_state_file_name == NULL)
3965 curproxy->server_state_file_name = strdup(curproxy->id);
3966 }
3967
Willy Tarreaubafbe012017-11-24 17:34:44 +01003968 pool_head_hdr_idx = create_pool("hdr_idx",
Willy Tarreauac1932d2011-10-24 19:14:41 +02003969 global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
Willy Tarreau34eb6712011-10-24 18:15:04 +02003970 MEM_F_SHARED);
3971
Ben Draut054fbee2018-04-13 15:43:04 -06003972 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
3973 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3974 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3975 curr_resolvers->id, curr_resolvers->conf.file,
3976 curr_resolvers->conf.line);
3977 err_code |= ERR_WARN;
3978 }
3979 }
3980
William Lallemand48b4bb42017-10-23 14:36:34 +02003981 list_for_each_entry(postparser, &postparsers, list) {
3982 if (postparser->func)
3983 cfgerr += postparser->func();
3984 }
3985
Willy Tarreaubb925012009-07-23 13:36:36 +02003986 if (cfgerr > 0)
3987 err_code |= ERR_ALERT | ERR_FATAL;
3988 out:
3989 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02003990}
3991
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003992/*
3993 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
3994 * parsing sessions.
3995 */
3996void cfg_register_keywords(struct cfg_kw_list *kwl)
3997{
3998 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
3999}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004000
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004001/*
4002 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4003 */
4004void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4005{
4006 LIST_DEL(&kwl->list);
4007 LIST_INIT(&kwl->list);
4008}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004009
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004010/* this function register new section in the haproxy configuration file.
4011 * <section_name> is the name of this new section and <section_parser>
4012 * is the called parser. If two section declaration have the same name,
4013 * only the first declared is used.
4014 */
4015int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004016 int (*section_parser)(const char *, int, char **, int),
4017 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004018{
4019 struct cfg_section *cs;
4020
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004021 list_for_each_entry(cs, &sections, list) {
4022 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004023 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004024 return 0;
4025 }
4026 }
4027
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004028 cs = calloc(1, sizeof(*cs));
4029 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004030 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004031 return 0;
4032 }
4033
4034 cs->section_name = section_name;
4035 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004036 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004037
4038 LIST_ADDQ(&sections, &cs->list);
4039
4040 return 1;
4041}
4042
William Lallemand48b4bb42017-10-23 14:36:34 +02004043/* this function register a new function which will be called once the haproxy
4044 * configuration file has been parsed. It's useful to check dependencies
4045 * between sections or to resolve items once everything is parsed.
4046 */
4047int cfg_register_postparser(char *name, int (*func)())
4048{
4049 struct cfg_postparser *cp;
4050
4051 cp = calloc(1, sizeof(*cp));
4052 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004053 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004054 return 0;
4055 }
4056 cp->name = name;
4057 cp->func = func;
4058
4059 LIST_ADDQ(&postparsers, &cp->list);
4060
4061 return 1;
4062}
4063
Willy Tarreaubaaee002006-06-26 02:48:02 +02004064/*
David Carlier845efb52015-09-25 11:49:18 +01004065 * free all config section entries
4066 */
4067void cfg_unregister_sections(void)
4068{
4069 struct cfg_section *cs, *ics;
4070
4071 list_for_each_entry_safe(cs, ics, &sections, list) {
4072 LIST_DEL(&cs->list);
4073 free(cs);
4074 }
4075}
4076
Christopher Faulet7110b402016-10-26 11:09:44 +02004077void cfg_backup_sections(struct list *backup_sections)
4078{
4079 struct cfg_section *cs, *ics;
4080
4081 list_for_each_entry_safe(cs, ics, &sections, list) {
4082 LIST_DEL(&cs->list);
4083 LIST_ADDQ(backup_sections, &cs->list);
4084 }
4085}
4086
4087void cfg_restore_sections(struct list *backup_sections)
4088{
4089 struct cfg_section *cs, *ics;
4090
4091 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4092 LIST_DEL(&cs->list);
4093 LIST_ADDQ(&sections, &cs->list);
4094 }
4095}
4096
Willy Tarreaue6552512018-11-26 11:33:13 +01004097/* these are the config sections handled by default */
4098REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4099REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4100REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4101REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4102REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4103REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4104REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4105REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4106REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4107REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004108
David Carlier845efb52015-09-25 11:49:18 +01004109/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004110 * Local variables:
4111 * c-indent-level: 8
4112 * c-basic-offset: 8
4113 * End:
4114 */