blob: 5c292f82d2bdbc917fed4742136aa1e13056d513 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Configuration parser
3 *
Willy Tarreauff011f22011-01-06 17:51:27 +01004 * Copyright 2000-2011 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Cyril Bonté1a0191d2014-08-29 20:20:02 +020013#ifdef CONFIG_HAP_CRYPT
14/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
17#ifdef NEED_CRYPT_H
18/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
21#endif /* CONFIG_HAP_CRYPT */
22
Willy Tarreaubaaee002006-06-26 02:48:02 +020023#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <netdb.h>
27#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020028#include <pwd.h>
29#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020030#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020031#include <sys/types.h>
32#include <sys/stat.h>
33#include <fcntl.h>
34#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020035
Willy Tarreau2dd0d472006-06-29 17:53:05 +020036#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020037#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020038#include <common/config.h>
Willy Tarreau058e9072009-07-20 09:30:05 +020039#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020040#include <common/memory.h>
41#include <common/standard.h>
42#include <common/time.h>
43#include <common/uri_auth.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010044#include <common/namespace.h>
Emeric Brunc60def82017-09-27 14:59:38 +020045#include <common/hathreads.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046
47#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020048#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <types/global.h>
Willy Tarreau3fdb3662012-11-12 00:42:33 +010050#include <types/obj_type.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020051#include <types/peers.h>
Simon Horman0d16a402015-01-30 11:22:58 +090052#include <types/mailers.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +020053#include <types/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010054#include <types/stats.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020055
Willy Tarreaueb0c6142007-05-07 00:53:22 +020056#include <proto/acl.h>
Christopher Faulet4fce0d82017-09-18 11:57:31 +020057#include <proto/action.h>
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010058#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020059#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020060#include <proto/channel.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020061#include <proto/checks.h>
Baptiste Assmann201c07f2017-05-22 15:17:15 +020062#include <proto/dns.h>
William Lallemand9ed62032016-11-21 17:49:11 +010063#include <proto/stats.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020064#include <proto/filters.h>
Willy Tarreaueb472682010-05-28 18:46:57 +020065#include <proto/frontend.h>
Willy Tarreau34eb6712011-10-24 18:15:04 +020066#include <proto/hdr_idx.h>
Willy Tarreau61c112a2018-10-02 16:43:32 +020067#include <proto/http_rules.h>
Willy Tarreau6b2e11b2009-10-01 07:52:15 +020068#include <proto/lb_chash.h>
Willy Tarreauf09c6602012-02-13 17:12:08 +010069#include <proto/lb_fas.h>
Willy Tarreauf89c1872009-10-01 11:19:37 +020070#include <proto/lb_fwlc.h>
71#include <proto/lb_fwrr.h>
72#include <proto/lb_map.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020073#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020074#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020075#include <proto/protocol.h>
Willy Tarreaue6b98942007-10-29 01:09:36 +010076#include <proto/proto_http.h>
Willy Tarreau2b5652f2006-12-31 17:46:05 +010077#include <proto/proxy.h>
Emeric Brun32da3c42010-09-23 18:39:19 +020078#include <proto/peers.h>
Willy Tarreaucd3b0942012-04-27 21:52:18 +020079#include <proto/sample.h>
Willy Tarreau9903f0e2015-04-04 18:50:31 +020080#include <proto/session.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020081#include <proto/server.h>
Willy Tarreau87b09662015-04-03 00:22:06 +020082#include <proto/stream.h>
Emeric Brunb982a3d2010-01-04 15:45:53 +010083#include <proto/stick_table.h>
Willy Tarreau39713102016-11-25 15:49:32 +010084#include <proto/task.h>
85#include <proto/tcp_rules.h>
Olivier Houchard673867c2018-05-25 16:58:52 +020086#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020087
88
Willy Tarreauf3c69202006-07-09 16:42:34 +020089/* This is the SSLv3 CLIENT HELLO packet used in conjunction with the
90 * ssl-hello-chk option to ensure that the remote server speaks SSL.
91 *
92 * Check RFC 2246 (TLSv1.0) sections A.3 and A.4 for details.
93 */
94const char sslv3_client_hello_pkt[] = {
95 "\x16" /* ContentType : 0x16 = Hanshake */
96 "\x03\x00" /* ProtocolVersion : 0x0300 = SSLv3 */
97 "\x00\x79" /* ContentLength : 0x79 bytes after this one */
98 "\x01" /* HanshakeType : 0x01 = CLIENT HELLO */
99 "\x00\x00\x75" /* HandshakeLength : 0x75 bytes after this one */
100 "\x03\x00" /* Hello Version : 0x0300 = v3 */
101 "\x00\x00\x00\x00" /* Unix GMT Time (s) : filled with <now> (@0x0B) */
102 "HAPROXYSSLCHK\nHAPROXYSSLCHK\n" /* Random : must be exactly 28 bytes */
103 "\x00" /* Session ID length : empty (no session ID) */
104 "\x00\x4E" /* Cipher Suite Length : 78 bytes after this one */
105 "\x00\x01" "\x00\x02" "\x00\x03" "\x00\x04" /* 39 most common ciphers : */
106 "\x00\x05" "\x00\x06" "\x00\x07" "\x00\x08" /* 0x01...0x1B, 0x2F...0x3A */
107 "\x00\x09" "\x00\x0A" "\x00\x0B" "\x00\x0C" /* This covers RSA/DH, */
108 "\x00\x0D" "\x00\x0E" "\x00\x0F" "\x00\x10" /* various bit lengths, */
109 "\x00\x11" "\x00\x12" "\x00\x13" "\x00\x14" /* SHA1/MD5, DES/3DES/AES... */
110 "\x00\x15" "\x00\x16" "\x00\x17" "\x00\x18"
111 "\x00\x19" "\x00\x1A" "\x00\x1B" "\x00\x2F"
112 "\x00\x30" "\x00\x31" "\x00\x32" "\x00\x33"
113 "\x00\x34" "\x00\x35" "\x00\x36" "\x00\x37"
114 "\x00\x38" "\x00\x39" "\x00\x3A"
115 "\x01" /* Compression Length : 0x01 = 1 byte for types */
116 "\x00" /* Compression Type : 0x00 = NULL compression */
117};
118
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +0100119/* Used to chain configuration sections definitions. This list
120 * stores struct cfg_section
121 */
122struct list sections = LIST_HEAD_INIT(sections);
123
William Lallemand48b4bb42017-10-23 14:36:34 +0200124struct list postparsers = LIST_HEAD_INIT(postparsers);
125
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100126char *cursection = NULL;
127struct proxy defproxy = { }; /* fake proxy used to assign default values on all instances */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200128int cfg_maxpconn = DEFAULT_MAXCONN; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100129int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100130char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200131
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200132/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100133struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200134 .list = LIST_HEAD_INIT(cfg_keywords.list)
135};
136
Willy Tarreaubaaee002006-06-26 02:48:02 +0200137/*
138 * converts <str> to a list of listeners which are dynamically allocated.
139 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
140 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
141 * - <port> is a numerical port from 1 to 65535 ;
142 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
143 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200144 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
145 * not NULL, it must be a valid pointer to either NULL or a freeable area that
146 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200147 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200148int str2listener(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200149{
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100150 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200151 int port, end;
152
153 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200154
Willy Tarreaubaaee002006-06-26 02:48:02 +0200155 while (next && *next) {
William Lallemand75ea0a02017-11-15 19:02:58 +0100156 int inherited = 0;
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200157 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100158 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200159
160 str = next;
161 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100162 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200163 *next++ = 0;
164 }
165
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100166 ss2 = str2sa_range(str, NULL, &port, &end, err,
Willy Tarreau72b8c1f2015-09-08 15:50:19 +0200167 curproxy == global.stats_fe ? NULL : global.unix_bind.prefix,
Thierry FOURNIER7fe3be72015-09-26 20:03:36 +0200168 NULL, 1);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100169 if (!ss2)
170 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100172 if (ss2->ss_family == AF_INET || ss2->ss_family == AF_INET6) {
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100173 if (!port && !end) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200174 memprintf(err, "missing port number: '%s'\n", str);
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100175 goto fail;
Emeric Bruned760922010-10-22 17:59:25 +0200176 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177
Willy Tarreau6d03cc32013-02-20 17:26:02 +0100178 if (!port || !end) {
179 memprintf(err, "port offsets are not allowed in 'bind': '%s'\n", str);
180 goto fail;
181 }
182
Emeric Bruned760922010-10-22 17:59:25 +0200183 if (port < 1 || port > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200184 memprintf(err, "invalid port '%d' specified for address '%s'.\n", port, str);
Emeric Bruned760922010-10-22 17:59:25 +0200185 goto fail;
186 }
187
188 if (end < 1 || end > 65535) {
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200189 memprintf(err, "invalid port '%d' specified for address '%s'.\n", end, str);
Emeric Bruned760922010-10-22 17:59:25 +0200190 goto fail;
191 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192 }
Willy Tarreau40aa0702013-03-10 23:51:38 +0100193 else if (ss2->ss_family == AF_UNSPEC) {
194 socklen_t addr_len;
William Lallemand75ea0a02017-11-15 19:02:58 +0100195 inherited = 1;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100196
197 /* We want to attach to an already bound fd whose number
198 * is in the addr part of ss2 when cast to sockaddr_in.
199 * Note that by definition there is a single listener.
200 * We still have to determine the address family to
201 * register the correct protocol.
202 */
203 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
204 addr_len = sizeof(*ss2);
205 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
206 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
207 goto fail;
208 }
209
210 port = end = get_host_port(ss2);
William Lallemand2fe7dd02018-09-11 16:51:29 +0200211
212 } else if (ss2->ss_family == AF_CUST_SOCKPAIR) {
213 socklen_t addr_len;
214 inherited = 1;
215
216 fd = ((struct sockaddr_in *)ss2)->sin_addr.s_addr;
217 addr_len = sizeof(*ss2);
218 if (getsockname(fd, (struct sockaddr *)ss2, &addr_len) == -1) {
219 memprintf(err, "cannot use file descriptor '%d' : %s.\n", fd, strerror(errno));
220 goto fail;
221 }
222
223 ss2->ss_family = AF_CUST_SOCKPAIR; /* reassign AF_CUST_SOCKPAIR because of getsockname */
224 port = end = 0;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100225 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200226
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100227 /* OK the address looks correct */
William Lallemand75ea0a02017-11-15 19:02:58 +0100228 if (!create_listeners(bind_conf, ss2, port, end, fd, inherited, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200229 memprintf(err, "%s for address '%s'.\n", *err, str);
230 goto fail;
231 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200232 } /* end while(next) */
233 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200234 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200235 fail:
236 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200237 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200238}
239
William Lallemand6e62fb62015-04-28 16:55:23 +0200240/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100241 * Report an error in <msg> when there are too many arguments. This version is
242 * intended to be used by keyword parsers so that the message will be included
243 * into the general error message. The index is the current keyword in args.
244 * Return 0 if the number of argument is correct, otherwise build a message and
245 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
246 * message may also be null, it will simply not be produced (useful to check only).
247 * <msg> and <err_code> are only affected on error.
248 */
249int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
250{
251 int i;
252
253 if (!*args[index + maxarg + 1])
254 return 0;
255
256 if (msg) {
257 *msg = NULL;
258 memprintf(msg, "%s", args[0]);
259 for (i = 1; i <= index; i++)
260 memprintf(msg, "%s %s", *msg, args[i]);
261
262 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
263 }
264 if (err_code)
265 *err_code |= ERR_ALERT | ERR_FATAL;
266
267 return 1;
268}
269
270/*
271 * same as too_many_args_idx with a 0 index
272 */
273int too_many_args(int maxarg, char **args, char **msg, int *err_code)
274{
275 return too_many_args_idx(maxarg, 0, args, msg, err_code);
276}
277
278/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200279 * Report a fatal Alert when there is too much arguments
280 * The index is the current keyword in args
281 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
282 * Fill err_code with an ERR_ALERT and an ERR_FATAL
283 */
284int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
285{
286 char *kw = NULL;
287 int i;
288
289 if (!*args[index + maxarg + 1])
290 return 0;
291
292 memprintf(&kw, "%s", args[0]);
293 for (i = 1; i <= index; i++) {
294 memprintf(&kw, "%s %s", kw, args[i]);
295 }
296
Christopher Faulet767a84b2017-11-24 16:50:31 +0100297 ha_alert("parsing [%s:%d] : '%s' cannot handle unexpected argument '%s'.\n", file, linenum, kw, args[index + maxarg + 1]);
William Lallemand6e62fb62015-04-28 16:55:23 +0200298 free(kw);
299 *err_code |= ERR_ALERT | ERR_FATAL;
300 return 1;
301}
302
303/*
304 * same as alertif_too_many_args_idx with a 0 index
305 */
306int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
307{
308 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
309}
310
Willy Tarreau61d18892009-03-31 10:49:21 +0200311
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100312/* Report it if a request ACL condition uses some keywords that are incompatible
313 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
314 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
315 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100316 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100317int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100318{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100319 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200320 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100321
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100322 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100323 return 0;
324
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100325 acl = acl_cond_conflicts(cond, where);
326 if (acl) {
327 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100328 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
329 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100330 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100331 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
332 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100333 return ERR_WARN;
334 }
335 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100336 return 0;
337
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100338 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100339 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
340 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100341 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100342 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
343 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100344 return ERR_WARN;
345}
346
Christopher Faulet62519022017-10-16 15:49:32 +0200347/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100348 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100349 * two such numbers delimited by a dash ('-'). On success, it returns
350 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200351 *
352 * Note: this function can also be used to parse a thread number or a set of
353 * threads.
354 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100355int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200356{
Christopher Faulet26028f62017-11-22 15:01:51 +0100357 if (autoinc) {
358 *autoinc = 0;
359 if (strncmp(arg, "auto:", 5) == 0) {
360 arg += 5;
361 *autoinc = 1;
362 }
363 }
364
Christopher Faulet62519022017-10-16 15:49:32 +0200365 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100366 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200367 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100368 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200369 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100370 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200371 else {
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100372 char *dash;
373 unsigned int low, high;
374
Christopher Faulet5ab51772017-11-22 11:21:58 +0100375 if (!isdigit((int)*arg)) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100376 memprintf(err, "'%s' is not a valid number.\n", arg);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100377 return -1;
378 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100379
380 low = high = str2uic(arg);
381 if ((dash = strchr(arg, '-')) != NULL)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100382 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100383
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100384 if (high < low) {
385 unsigned int swap = low;
386 low = high;
387 high = swap;
388 }
389
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100390 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100391 memprintf(err, "'%s' is not a valid number/range."
392 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100393 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100394 return 1;
395 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100396
397 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100398 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200399 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100400 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100401
Christopher Faulet5ab51772017-11-22 11:21:58 +0100402 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200403}
404
David Carlier7e351ee2017-12-01 09:14:02 +0000405#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200406/* Parse cpu sets. Each CPU set is either a unique number between 0 and
407 * <LONGBITS> or a range with two such numbers delimited by a dash
408 * ('-'). Multiple CPU numbers or ranges may be specified. On success, it
409 * returns 0. otherwise it returns 1 with an error message in <err>.
410 */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100411unsigned long parse_cpu_set(const char **args, unsigned long *cpu_set, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200412{
413 int cur_arg = 0;
414
415 *cpu_set = 0;
416 while (*args[cur_arg]) {
417 char *dash;
418 unsigned int low, high;
419
420 if (!isdigit((int)*args[cur_arg])) {
421 memprintf(err, "'%s' is not a CPU range.\n", args[cur_arg]);
422 return -1;
423 }
424
425 low = high = str2uic(args[cur_arg]);
426 if ((dash = strchr(args[cur_arg], '-')) != NULL)
Christopher Fauletff4121f2017-11-22 16:38:49 +0100427 high = ((!*(dash+1)) ? LONGBITS-1 : str2uic(dash + 1));
Christopher Faulet62519022017-10-16 15:49:32 +0200428
429 if (high < low) {
430 unsigned int swap = low;
431 low = high;
432 high = swap;
433 }
434
435 if (high >= LONGBITS) {
436 memprintf(err, "supports CPU numbers from 0 to %d.\n", LONGBITS - 1);
437 return 1;
438 }
439
440 while (low <= high)
441 *cpu_set |= 1UL << low++;
442
443 cur_arg++;
444 }
445 return 0;
446}
David Carlier7e351ee2017-12-01 09:14:02 +0000447#endif
448
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200449void init_default_instance()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200450{
Willy Tarreau97cb7802010-01-03 20:23:58 +0100451 init_new_proxy(&defproxy);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200452 defproxy.mode = PR_MODE_TCP;
453 defproxy.state = PR_STNEW;
454 defproxy.maxconn = cfg_maxpconn;
455 defproxy.conn_retries = CONN_RETRIES;
Joseph Lynch726ab712015-05-11 23:25:34 -0700456 defproxy.redispatch_after = 0;
Olivier Houchard86006a52018-12-14 19:37:49 +0100457 defproxy.options = PR_O_REUSE_SAFE;
Olivier Houcharda4d4fdf2018-12-14 19:27:06 +0100458 defproxy.max_out_conns = MAX_SRV_LIST;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100459
Simon Horman66183002013-02-23 10:16:43 +0900460 defproxy.defsrv.check.inter = DEF_CHKINTR;
461 defproxy.defsrv.check.fastinter = 0;
462 defproxy.defsrv.check.downinter = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900463 defproxy.defsrv.agent.inter = DEF_CHKINTR;
464 defproxy.defsrv.agent.fastinter = 0;
465 defproxy.defsrv.agent.downinter = 0;
Simon Horman58c32972013-11-25 10:46:38 +0900466 defproxy.defsrv.check.rise = DEF_RISETIME;
467 defproxy.defsrv.check.fall = DEF_FALLTIME;
468 defproxy.defsrv.agent.rise = DEF_AGENT_RISETIME;
469 defproxy.defsrv.agent.fall = DEF_AGENT_FALLTIME;
Willy Tarreau5b3a2022012-09-28 15:01:02 +0200470 defproxy.defsrv.check.port = 0;
Simon Hormand60d6912013-11-25 10:46:36 +0900471 defproxy.defsrv.agent.port = 0;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100472 defproxy.defsrv.maxqueue = 0;
473 defproxy.defsrv.minconn = 0;
474 defproxy.defsrv.maxconn = 0;
Willy Tarreau9c538e02019-01-23 10:21:49 +0100475 defproxy.defsrv.max_reuse = -1;
Olivier Houchard006e3102018-12-10 18:30:32 +0100476 defproxy.defsrv.max_idle_conns = -1;
Olivier Houchardb7b3faa2018-12-14 18:15:36 +0100477 defproxy.defsrv.pool_purge_delay = 1000;
Krzysztof Piotr Oledzkic6df0662010-01-05 16:38:49 +0100478 defproxy.defsrv.slowstart = 0;
479 defproxy.defsrv.onerror = DEF_HANA_ONERR;
480 defproxy.defsrv.consecutive_errors_limit = DEF_HANA_ERRLIMIT;
481 defproxy.defsrv.uweight = defproxy.defsrv.iweight = 1;
Simon Horman64e34162015-02-06 11:11:57 +0900482
483 defproxy.email_alert.level = LOG_ALERT;
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +0200484 defproxy.load_server_state_from_file = PR_SRV_STATE_FILE_UNSPEC;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200485}
486
Frédéric Lécaille18251032019-01-11 11:07:15 +0100487/* Allocate and initialize the frontend of a "peers" section found in
488 * file <file> at line <linenum> with <id> as ID.
489 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200490 * Note that this function may be called from "default-server"
491 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100492 */
493static int init_peers_frontend(const char *file, int linenum,
494 const char *id, struct peers *peers)
495{
496 struct proxy *p;
497
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200498 if (peers->peers_fe) {
499 p = peers->peers_fe;
500 goto out;
501 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100502
Frédéric Lécaille18251032019-01-11 11:07:15 +0100503 p = calloc(1, sizeof *p);
504 if (!p) {
505 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
506 return -1;
507 }
508
509 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200510 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100511 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200512 /* Finally store this frontend. */
513 peers->peers_fe = p;
514
515 out:
516 if (id && !p->id)
517 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200518 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100519 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100520 if (linenum != -1)
521 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100522
523 return 0;
524}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100525
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100526/* Only change ->file, ->line and ->arg struct bind_conf member values
527 * if already present.
528 */
529static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
530 const char *file, int line,
531 const char *arg, struct xprt_ops *xprt)
532{
533 struct bind_conf *bind_conf;
534
535 if (!LIST_ISEMPTY(&p->conf.bind)) {
536 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
537 free(bind_conf->file);
538 bind_conf->file = strdup(file);
539 bind_conf->line = line;
540 if (arg) {
541 free(bind_conf->arg);
542 bind_conf->arg = strdup(arg);
543 }
544 }
545 else {
546 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
547 }
548
549 return bind_conf;
550}
551
552/*
553 * Allocate a new struct peer parsed at line <linenum> in file <file>
554 * to be added to <peers>.
555 * Returns the new allocated structure if succeeded, NULL if not.
556 */
557static struct peer *cfg_peers_add_peer(struct peers *peers,
558 const char *file, int linenum,
559 const char *id, int local)
560{
561 struct peer *p;
562
563 p = calloc(1, sizeof *p);
564 if (!p) {
565 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
566 return NULL;
567 }
568
569 /* the peers are linked backwards first */
570 peers->count++;
571 p->next = peers->remote;
572 peers->remote = p;
573 p->conf.file = strdup(file);
574 p->conf.line = linenum;
575 p->last_change = now.tv_sec;
576 p->xprt = xprt_get(XPRT_RAW);
577 p->sock_init_arg = NULL;
578 HA_SPIN_INIT(&p->lock);
579 if (id)
580 p->id = strdup(id);
581 if (local) {
582 p->local = 1;
583 peers->local = p;
584 }
585
586 return p;
587}
588
Willy Tarreaubaaee002006-06-26 02:48:02 +0200589/*
William Lallemand51097192015-04-14 16:35:22 +0200590 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200591 * Returns the error code, 0 if OK, or any combination of :
592 * - ERR_ABORT: must abort ASAP
593 * - ERR_FATAL: we can continue parsing but not start the service
594 * - ERR_WARN: a warning has been emitted
595 * - ERR_ALERT: an alert has been emitted
596 * Only the two first ones can stop processing, the two others are just
597 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200598 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200599int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
600{
601 static struct peers *curpeers = NULL;
602 struct peer *newpeer = NULL;
603 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200604 struct bind_conf *bind_conf;
605 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200606 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100607 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100608 static int bind_line, peer_line;
609
610 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
611 int cur_arg;
612 static int kws_dumped;
613 struct bind_conf *bind_conf;
614 struct bind_kw *kw;
615 char *kws;
Emeric Brun32da3c42010-09-23 18:39:19 +0200616
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100617 cur_arg = 1;
618
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200619 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
620 err_code |= ERR_ALERT | ERR_ABORT;
621 goto out;
622 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100623
624 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
625 NULL, xprt_get(XPRT_RAW));
626 if (*args[0] == 'b') {
627 struct listener *l;
628
629 if (peer_line) {
630 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
631 err_code |= ERR_ALERT | ERR_FATAL;
632 goto out;
633 }
634
635 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
636 if (errmsg && *errmsg) {
637 indent_msg(&errmsg, 2);
638 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
639 }
640 else
641 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
642 file, linenum, args[0], args[1], args[2]);
643 err_code |= ERR_FATAL;
644 goto out;
645 }
646 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
647 l->maxaccept = 1;
648 l->maxconn = curpeers->peers_fe->maxconn;
649 l->backlog = curpeers->peers_fe->backlog;
650 l->accept = session_accept_fd;
651 l->analysers |= curpeers->peers_fe->fe_req_ana;
652 l->default_target = curpeers->peers_fe->default_target;
653 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
654 global.maxsock += l->maxconn;
655
656 bind_line = 1;
657 if (cfg_peers->local) {
658 newpeer = cfg_peers->local;
659 }
660 else {
661 /* This peer is local.
662 * Note that we do not set the peer ID. This latter is initialized
663 * when parsing "peer" or "server" line.
664 */
665 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
666 if (!newpeer) {
667 err_code |= ERR_ALERT | ERR_ABORT;
668 goto out;
669 }
670 }
671 newpeer->addr = l->addr;
672 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
673 cur_arg++;
674 }
675
676 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
677 int ret;
678
679 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
680 err_code |= ret;
681 if (ret) {
682 if (errmsg && *errmsg) {
683 indent_msg(&errmsg, 2);
684 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
685 }
686 else
687 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
688 file, linenum, args[cur_arg]);
689 if (ret & ERR_FATAL)
690 goto out;
691 }
692 cur_arg += 1 + kw->skip;
693 }
694 kws = NULL;
695 if (!kws_dumped) {
696 kws_dumped = 1;
697 bind_dump_kws(&kws);
698 indent_msg(&kws, 4);
699 }
700 if (*args[cur_arg] != 0) {
701 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.%s%s\n",
702 file, linenum, args[cur_arg], cursection,
703 kws ? " Registered keywords :" : "", kws ? kws: "");
704 free(kws);
705 err_code |= ERR_ALERT | ERR_FATAL;
706 goto out;
707 }
708 }
709 else if (strcmp(args[0], "default-server") == 0) {
710 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
711 err_code |= ERR_ALERT | ERR_ABORT;
712 goto out;
713 }
714 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, 0);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200715 }
716 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100717 /* Initialize these static variables when entering a new "peers" section*/
718 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100719 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100720 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100721 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100722 goto out;
723 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200724
William Lallemand6e62fb62015-04-28 16:55:23 +0200725 if (alertif_too_many_args(1, file, linenum, args, &err_code))
726 goto out;
727
Emeric Brun32da3c42010-09-23 18:39:19 +0200728 err = invalid_char(args[1]);
729 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100730 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
731 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100732 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100733 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200734 }
735
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200736 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200737 /*
738 * If there are two proxies with the same name only following
739 * combinations are allowed:
740 */
741 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100742 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
743 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200744 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200745 }
746 }
747
Vincent Bernat02779b62016-04-03 13:48:43 +0200748 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100749 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200750 err_code |= ERR_ALERT | ERR_ABORT;
751 goto out;
752 }
753
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200754 curpeers->next = cfg_peers;
755 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200756 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200757 curpeers->conf.line = linenum;
758 curpeers->last_change = now.tv_sec;
759 curpeers->id = strdup(args[1]);
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200760 curpeers->state = PR_STNEW;
Emeric Brun32da3c42010-09-23 18:39:19 +0200761 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200762 else if (strcmp(args[0], "peer") == 0 ||
763 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100764 int local_peer, peer;
Emeric Brun32da3c42010-09-23 18:39:19 +0200765
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100766 peer = *args[0] == 'p';
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100767 local_peer = !strcmp(args[1], localpeer);
768 /* The local peer may have already partially been parsed on a "bind" line. */
769 if (*args[0] == 'p') {
770 if (bind_line) {
771 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
772 err_code |= ERR_ALERT | ERR_FATAL;
773 goto out;
774 }
775 peer_line = 1;
776 }
777 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
778 /* The local peer has already been initialized on a "bind" line.
779 * Let's use it and store its ID.
780 */
781 newpeer = cfg_peers->local;
782 newpeer->id = strdup(localpeer);
783 }
784 else {
785 if (local_peer && cfg_peers->local) {
786 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
787 file, linenum, args[0], args[1],
788 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
789 err_code |= ERR_FATAL;
790 goto out;
791 }
792 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
793 if (!newpeer) {
794 err_code |= ERR_ALERT | ERR_ABORT;
795 goto out;
796 }
797 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200798
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100799 /* Line number and peer ID are updated only if this peer is the local one. */
800 if (init_peers_frontend(file,
801 newpeer->local ? linenum: -1,
802 newpeer->local ? newpeer->id : NULL,
803 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200804 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100805 goto out;
806 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100807
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100808 /* This initializes curpeer->peers->peers_fe->srv. */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100809 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL, peer || !local_peer);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200810 if (!curpeers->peers_fe->srv)
Emeric Brun32da3c42010-09-23 18:39:19 +0200811 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200812
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200813 newpeer->addr = curpeers->peers_fe->srv->addr;
814 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100815 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200816 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100817 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200818
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100819 if (!newpeer->local) {
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200820 newpeer->srv = curpeers->peers_fe->srv;
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200821 goto out;
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200822 }
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200823
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100824 /* The lines above are reserved to "peer" lines. */
825 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200826 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200827
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100828 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100829
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100830 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
831 if (errmsg && *errmsg) {
832 indent_msg(&errmsg, 2);
833 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100834 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100835 else
836 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
837 file, linenum, args[0], args[1], args[2]);
838 err_code |= ERR_FATAL;
839 goto out;
840 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100841
842 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
843 l->maxaccept = 1;
844 l->maxconn = curpeers->peers_fe->maxconn;
845 l->backlog = curpeers->peers_fe->backlog;
846 l->accept = session_accept_fd;
847 l->analysers |= curpeers->peers_fe->fe_req_ana;
848 l->default_target = curpeers->peers_fe->default_target;
849 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
850 global.maxsock += l->maxconn;
Emeric Brun32da3c42010-09-23 18:39:19 +0200851 } /* neither "peer" nor "peers" */
Willy Tarreau77e4bd12015-05-01 20:02:17 +0200852 else if (!strcmp(args[0], "disabled")) { /* disables this peers section */
853 curpeers->state = PR_STSTOPPED;
854 }
855 else if (!strcmp(args[0], "enabled")) { /* enables this peers section (used to revert a disabled default) */
856 curpeers->state = PR_STNEW;
857 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200858 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100859 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +0200860 err_code |= ERR_ALERT | ERR_FATAL;
861 goto out;
862 }
863
864out:
Willy Tarreau902636f2013-03-10 19:44:48 +0100865 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +0200866 return err_code;
867}
868
Baptiste Assmann325137d2015-04-13 23:40:55 +0200869/*
870 * Parse a <resolvers> section.
871 * Returns the error code, 0 if OK, or any combination of :
872 * - ERR_ABORT: must abort ASAP
873 * - ERR_FATAL: we can continue parsing but not start the service
874 * - ERR_WARN: a warning has been emitted
875 * - ERR_ALERT: an alert has been emitted
876 * Only the two first ones can stop processing, the two others are just
877 * indicators.
878 */
879int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
880{
881 static struct dns_resolvers *curr_resolvers = NULL;
882 struct dns_nameserver *newnameserver = NULL;
883 const char *err;
884 int err_code = 0;
885 char *errmsg = NULL;
886
887 if (strcmp(args[0], "resolvers") == 0) { /* new resolvers section */
888 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100889 ha_alert("parsing [%s:%d] : missing name for resolvers section.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200890 err_code |= ERR_ALERT | ERR_ABORT;
891 goto out;
892 }
893
894 err = invalid_char(args[1]);
895 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100896 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
897 file, linenum, *err, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200898 err_code |= ERR_ALERT | ERR_ABORT;
899 goto out;
900 }
901
902 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
903 /* Error if two resolvers owns the same name */
904 if (strcmp(curr_resolvers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100905 ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
906 file, linenum, args[1], curr_resolvers->conf.file, curr_resolvers->conf.line);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200907 err_code |= ERR_ALERT | ERR_ABORT;
908 }
909 }
910
Vincent Bernat02779b62016-04-03 13:48:43 +0200911 if ((curr_resolvers = calloc(1, sizeof(*curr_resolvers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100912 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200913 err_code |= ERR_ALERT | ERR_ABORT;
914 goto out;
915 }
916
917 /* default values */
918 LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
919 curr_resolvers->conf.file = strdup(file);
920 curr_resolvers->conf.line = linenum;
921 curr_resolvers->id = strdup(args[1]);
922 curr_resolvers->query_ids = EB_ROOT;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +0200923 /* default maximum response size */
924 curr_resolvers->accepted_payload_size = 512;
Baptiste Assmann987e16d2016-11-02 22:23:31 +0100925 /* default hold period for nx, other, refuse and timeout is 30s */
926 curr_resolvers->hold.nx = 30000;
927 curr_resolvers->hold.other = 30000;
928 curr_resolvers->hold.refused = 30000;
929 curr_resolvers->hold.timeout = 30000;
Baptiste Assmann686408b2017-08-18 10:15:42 +0200930 curr_resolvers->hold.obsolete = 0;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200931 /* default hold period for valid is 10s */
Baptiste Assmann4c5490a2015-07-14 21:42:49 +0200932 curr_resolvers->hold.valid = 10000;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200933 curr_resolvers->timeout.resolve = 1000;
934 curr_resolvers->timeout.retry = 1000;
Baptiste Assmann325137d2015-04-13 23:40:55 +0200935 curr_resolvers->resolve_retries = 3;
Christopher Faulet67957bd2017-09-27 11:00:59 +0200936 curr_resolvers->nb_nameservers = 0;
937 LIST_INIT(&curr_resolvers->nameservers);
938 LIST_INIT(&curr_resolvers->resolutions.curr);
939 LIST_INIT(&curr_resolvers->resolutions.wait);
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100940 HA_SPIN_INIT(&curr_resolvers->lock);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200941 }
942 else if (strcmp(args[0], "nameserver") == 0) { /* nameserver definition */
943 struct sockaddr_storage *sk;
944 int port1, port2;
945 struct protocol *proto;
946
947 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100948 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
949 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200950 err_code |= ERR_ALERT | ERR_FATAL;
951 goto out;
952 }
953
954 err = invalid_char(args[1]);
955 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100956 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
957 file, linenum, *err, args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200958 err_code |= ERR_ALERT | ERR_FATAL;
959 goto out;
960 }
961
Christopher Faulet67957bd2017-09-27 11:00:59 +0200962 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
Baptiste Assmanna315c552015-11-02 22:55:49 +0100963 /* Error if two resolvers owns the same name */
964 if (strcmp(newnameserver->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100965 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 -0600966 file, linenum, args[1], newnameserver->conf.file, newnameserver->conf.line);
Baptiste Assmanna315c552015-11-02 22:55:49 +0100967 err_code |= ERR_ALERT | ERR_FATAL;
968 }
969 }
970
Vincent Bernat02779b62016-04-03 13:48:43 +0200971 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100972 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200973 err_code |= ERR_ALERT | ERR_ABORT;
974 goto out;
975 }
976
977 /* the nameservers are linked backward first */
Christopher Faulet67957bd2017-09-27 11:00:59 +0200978 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200979 newnameserver->resolvers = curr_resolvers;
980 newnameserver->conf.file = strdup(file);
981 newnameserver->conf.line = linenum;
982 newnameserver->id = strdup(args[1]);
983
Willy Tarreau48ef4c92017-01-06 18:32:38 +0100984 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200985 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100986 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Baptiste Assmann325137d2015-04-13 23:40:55 +0200987 err_code |= ERR_ALERT | ERR_FATAL;
988 goto out;
989 }
990
991 proto = protocol_by_family(sk->ss_family);
992 if (!proto || !proto->connect) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100993 ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
Baptiste Assmann325137d2015-04-13 23:40:55 +0200994 file, linenum, args[0], args[1]);
995 err_code |= ERR_ALERT | ERR_FATAL;
996 goto out;
997 }
998
999 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001000 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1001 file, linenum, args[0], args[1], args[2]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001002 err_code |= ERR_ALERT | ERR_FATAL;
1003 goto out;
1004 }
1005
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001006 if (!port1 && !port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001007 ha_alert("parsing [%s:%d] : '%s %s' : no UDP port specified\n",
1008 file, linenum, args[0], args[1]);
Baptiste Assmann7f43fa92016-01-21 00:59:46 +01001009 err_code |= ERR_ALERT | ERR_FATAL;
1010 goto out;
1011 }
1012
Baptiste Assmann325137d2015-04-13 23:40:55 +02001013 newnameserver->addr = *sk;
1014 }
Ben Draut44e609b2018-05-29 15:40:08 -06001015 else if (strcmp(args[0], "parse-resolv-conf") == 0) {
1016 const char *whitespace = "\r\n\t ";
1017 char *resolv_line = NULL;
1018 int resolv_linenum = 0;
1019 FILE *f = NULL;
1020 char *address = NULL;
1021 struct sockaddr_storage *sk = NULL;
1022 struct protocol *proto;
1023 int duplicate_name = 0;
1024
1025 if ((resolv_line = malloc(sizeof(*resolv_line) * LINESIZE)) == NULL) {
1026 ha_alert("parsing [%s:%d] : out of memory.\n",
1027 file, linenum);
1028 err_code |= ERR_ALERT | ERR_FATAL;
1029 goto resolv_out;
1030 }
1031
1032 if ((f = fopen("/etc/resolv.conf", "r")) == NULL) {
1033 ha_alert("parsing [%s:%d] : failed to open /etc/resolv.conf.\n",
1034 file, linenum);
1035 err_code |= ERR_ALERT | ERR_FATAL;
1036 goto resolv_out;
1037 }
1038
1039 sk = calloc(1, sizeof(*sk));
1040 if (sk == NULL) {
1041 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n",
1042 resolv_linenum);
1043 err_code |= ERR_ALERT | ERR_FATAL;
1044 goto resolv_out;
1045 }
1046
1047 while (fgets(resolv_line, LINESIZE, f) != NULL) {
1048 resolv_linenum++;
1049 if (strncmp(resolv_line, "nameserver", 10) != 0)
1050 continue;
1051
1052 address = strtok(resolv_line + 10, whitespace);
1053 if (address == resolv_line + 10)
1054 continue;
1055
1056 if (address == NULL) {
1057 ha_warning("parsing [/etc/resolv.conf:%d] : nameserver line is missing address.\n",
1058 resolv_linenum);
1059 err_code |= ERR_WARN;
1060 continue;
1061 }
1062
1063 duplicate_name = 0;
1064 list_for_each_entry(newnameserver, &curr_resolvers->nameservers, list) {
1065 if (strcmp(newnameserver->id, address) == 0) {
1066 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",
1067 resolv_linenum, address, newnameserver->conf.file, newnameserver->conf.line);
1068 err_code |= ERR_WARN;
1069 duplicate_name = 1;
1070 }
1071 }
1072
1073 if (duplicate_name)
1074 continue;
1075
1076 memset(sk, 0, sizeof(*sk));
1077 sk = str2ip2(address, sk, 1);
1078 if (!sk) {
1079 ha_warning("parsing [/etc/resolv.conf:%d] : address '%s' could not be recognized, namerserver will be excluded.\n",
1080 resolv_linenum, address);
1081 err_code |= ERR_WARN;
1082 continue;
1083 }
1084
1085 set_host_port(sk, 53);
1086
1087 proto = protocol_by_family(sk->ss_family);
1088 if (!proto || !proto->connect) {
1089 ha_warning("parsing [/etc/resolv.conf:%d] : '%s' : connect() not supported for this address family.\n",
1090 resolv_linenum, address);
1091 err_code |= ERR_WARN;
1092 continue;
1093 }
1094
1095 if ((newnameserver = calloc(1, sizeof(*newnameserver))) == NULL) {
1096 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1097 err_code |= ERR_ALERT | ERR_FATAL;
1098 goto resolv_out;
1099 }
1100
1101 newnameserver->conf.file = strdup("/etc/resolv.conf");
1102 if (newnameserver->conf.file == NULL) {
1103 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1104 err_code |= ERR_ALERT | ERR_FATAL;
1105 goto resolv_out;
1106 }
1107
1108 newnameserver->id = strdup(address);
1109 if (newnameserver->id == NULL) {
1110 ha_alert("parsing [/etc/resolv.conf:%d] : out of memory.\n", resolv_linenum);
1111 err_code |= ERR_ALERT | ERR_FATAL;
1112 goto resolv_out;
1113 }
1114
1115 newnameserver->resolvers = curr_resolvers;
1116 newnameserver->conf.line = resolv_linenum;
1117 newnameserver->addr = *sk;
1118
1119 LIST_ADDQ(&curr_resolvers->nameservers, &newnameserver->list);
1120 }
1121
1122resolv_out:
1123 free(sk);
1124 free(resolv_line);
1125 if (f != NULL)
1126 fclose(f);
1127 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001128 else if (strcmp(args[0], "hold") == 0) { /* hold periods */
1129 const char *res;
1130 unsigned int time;
1131
1132 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001133 ha_alert("parsing [%s:%d] : '%s' expects an <event> and a <time> as arguments.\n",
1134 file, linenum, args[0]);
1135 ha_alert("<event> can be either 'valid', 'nx', 'refused', 'timeout', or 'other'\n");
Baptiste Assmann325137d2015-04-13 23:40:55 +02001136 err_code |= ERR_ALERT | ERR_FATAL;
1137 goto out;
1138 }
1139 res = parse_time_err(args[2], &time, TIME_UNIT_MS);
1140 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001141 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1142 file, linenum, *res, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001143 err_code |= ERR_ALERT | ERR_FATAL;
1144 goto out;
1145 }
Baptiste Assmann987e16d2016-11-02 22:23:31 +01001146 if (strcmp(args[1], "nx") == 0)
1147 curr_resolvers->hold.nx = time;
1148 else if (strcmp(args[1], "other") == 0)
1149 curr_resolvers->hold.other = time;
1150 else if (strcmp(args[1], "refused") == 0)
1151 curr_resolvers->hold.refused = time;
1152 else if (strcmp(args[1], "timeout") == 0)
1153 curr_resolvers->hold.timeout = time;
1154 else if (strcmp(args[1], "valid") == 0)
Baptiste Assmann325137d2015-04-13 23:40:55 +02001155 curr_resolvers->hold.valid = time;
Olivier Houcharda8c6db82017-07-06 18:46:47 +02001156 else if (strcmp(args[1], "obsolete") == 0)
1157 curr_resolvers->hold.obsolete = time;
Baptiste Assmann325137d2015-04-13 23:40:55 +02001158 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001159 ha_alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
1160 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001161 err_code |= ERR_ALERT | ERR_FATAL;
1162 goto out;
1163 }
1164
1165 }
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001166 else if (strcmp(args[0], "accepted_payload_size") == 0) {
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001167 int i = 0;
1168
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001169 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001170 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1171 file, linenum, args[0]);
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001172 err_code |= ERR_ALERT | ERR_FATAL;
1173 goto out;
1174 }
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001175
1176 i = atoi(args[1]);
Willy Tarreau0c219be2017-08-22 12:01:26 +02001177 if (i < DNS_HEADER_SIZE || i > DNS_MAX_UDP_MESSAGE) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001178 ha_alert("parsing [%s:%d] : '%s' must be between %d and %d inclusive (was %s).\n",
1179 file, linenum, args[0], DNS_HEADER_SIZE, DNS_MAX_UDP_MESSAGE, args[1]);
Baptiste Assmann9d8dbbc2017-08-18 23:35:08 +02001180 err_code |= ERR_ALERT | ERR_FATAL;
1181 goto out;
1182 }
1183
1184 curr_resolvers->accepted_payload_size = i;
Baptiste Assmann2af08fe2017-08-14 00:13:01 +02001185 }
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001186 else if (strcmp(args[0], "resolution_pool_size") == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001187 ha_warning("parsing [%s:%d] : '%s' directive is now deprecated and ignored.\n",
1188 file, linenum, args[0]);
Christopher Faulet67957bd2017-09-27 11:00:59 +02001189 err_code |= ERR_WARN;
1190 goto out;
Baptiste Assmann201c07f2017-05-22 15:17:15 +02001191 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001192 else if (strcmp(args[0], "resolve_retries") == 0) {
1193 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001194 ha_alert("parsing [%s:%d] : '%s' expects <nb> as argument.\n",
1195 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001196 err_code |= ERR_ALERT | ERR_FATAL;
1197 goto out;
1198 }
1199 curr_resolvers->resolve_retries = atoi(args[1]);
1200 }
1201 else if (strcmp(args[0], "timeout") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001202 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001203 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments.\n",
1204 file, linenum, args[0]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001205 err_code |= ERR_ALERT | ERR_FATAL;
1206 goto out;
1207 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001208 else if (strcmp(args[1], "retry") == 0 ||
1209 strcmp(args[1], "resolve") == 0) {
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001210 const char *res;
Christopher Faulet67957bd2017-09-27 11:00:59 +02001211 unsigned int tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001212
1213 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001214 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1215 file, linenum, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001216 err_code |= ERR_ALERT | ERR_FATAL;
1217 goto out;
1218 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001219 res = parse_time_err(args[2], &tout, TIME_UNIT_MS);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001220 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001221 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1222 file, linenum, *res, args[0], args[1]);
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001223 err_code |= ERR_ALERT | ERR_FATAL;
1224 goto out;
1225 }
Christopher Faulet67957bd2017-09-27 11:00:59 +02001226 if (args[1][2] == 't')
1227 curr_resolvers->timeout.retry = tout;
1228 else
1229 curr_resolvers->timeout.resolve = tout;
Pieter Baauw7a91a0e2016-02-13 15:51:58 +01001230 }
1231 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001232 ha_alert("parsing [%s:%d] : '%s' expects 'retry' or 'resolve' and <time> as arguments got '%s'.\n",
1233 file, linenum, args[0], args[1]);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001234 err_code |= ERR_ALERT | ERR_FATAL;
1235 goto out;
1236 }
Baptiste Assmann325137d2015-04-13 23:40:55 +02001237 } /* neither "nameserver" nor "resolvers" */
1238 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001239 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Baptiste Assmann325137d2015-04-13 23:40:55 +02001240 err_code |= ERR_ALERT | ERR_FATAL;
1241 goto out;
1242 }
1243
1244 out:
1245 free(errmsg);
1246 return err_code;
1247}
Simon Horman0d16a402015-01-30 11:22:58 +09001248
1249/*
William Lallemand51097192015-04-14 16:35:22 +02001250 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001251 * Returns the error code, 0 if OK, or any combination of :
1252 * - ERR_ABORT: must abort ASAP
1253 * - ERR_FATAL: we can continue parsing but not start the service
1254 * - ERR_WARN: a warning has been emitted
1255 * - ERR_ALERT: an alert has been emitted
1256 * Only the two first ones can stop processing, the two others are just
1257 * indicators.
1258 */
1259int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1260{
1261 static struct mailers *curmailers = NULL;
1262 struct mailer *newmailer = NULL;
1263 const char *err;
1264 int err_code = 0;
1265 char *errmsg = NULL;
1266
1267 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1268 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001269 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001270 err_code |= ERR_ALERT | ERR_ABORT;
1271 goto out;
1272 }
1273
1274 err = invalid_char(args[1]);
1275 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001276 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1277 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001278 err_code |= ERR_ALERT | ERR_ABORT;
1279 goto out;
1280 }
1281
1282 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1283 /*
1284 * If there are two proxies with the same name only following
1285 * combinations are allowed:
1286 */
1287 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001288 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1289 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001290 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001291 }
1292 }
1293
Vincent Bernat02779b62016-04-03 13:48:43 +02001294 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001295 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001296 err_code |= ERR_ALERT | ERR_ABORT;
1297 goto out;
1298 }
1299
1300 curmailers->next = mailers;
1301 mailers = curmailers;
1302 curmailers->conf.file = strdup(file);
1303 curmailers->conf.line = linenum;
1304 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001305 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1306 * But need enough time so that timeouts don't occur
1307 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001308 }
1309 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1310 struct sockaddr_storage *sk;
1311 int port1, port2;
1312 struct protocol *proto;
1313
1314 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001315 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1316 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001317 err_code |= ERR_ALERT | ERR_FATAL;
1318 goto out;
1319 }
1320
1321 err = invalid_char(args[1]);
1322 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001323 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1324 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001325 err_code |= ERR_ALERT | ERR_FATAL;
1326 goto out;
1327 }
1328
Vincent Bernat02779b62016-04-03 13:48:43 +02001329 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001330 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001331 err_code |= ERR_ALERT | ERR_ABORT;
1332 goto out;
1333 }
1334
1335 /* the mailers are linked backwards first */
1336 curmailers->count++;
1337 newmailer->next = curmailers->mailer_list;
1338 curmailers->mailer_list = newmailer;
1339 newmailer->mailers = curmailers;
1340 newmailer->conf.file = strdup(file);
1341 newmailer->conf.line = linenum;
1342
1343 newmailer->id = strdup(args[1]);
1344
Willy Tarreau48ef4c92017-01-06 18:32:38 +01001345 sk = str2sa_range(args[2], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
Simon Horman0d16a402015-01-30 11:22:58 +09001346 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001347 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001348 err_code |= ERR_ALERT | ERR_FATAL;
1349 goto out;
1350 }
1351
1352 proto = protocol_by_family(sk->ss_family);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09001353 if (!proto || !proto->connect || proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001354 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1355 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001356 err_code |= ERR_ALERT | ERR_FATAL;
1357 goto out;
1358 }
1359
1360 if (port1 != port2) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001361 ha_alert("parsing [%s:%d] : '%s %s' : port ranges and offsets are not allowed in '%s'\n",
1362 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001363 err_code |= ERR_ALERT | ERR_FATAL;
1364 goto out;
1365 }
1366
1367 if (!port1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001368 ha_alert("parsing [%s:%d] : '%s %s' : missing or invalid port in '%s'\n",
1369 file, linenum, args[0], args[1], args[2]);
Simon Horman0d16a402015-01-30 11:22:58 +09001370 err_code |= ERR_ALERT | ERR_FATAL;
1371 goto out;
1372 }
1373
1374 newmailer->addr = *sk;
1375 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001376 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001377 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001378 }
1379 else if (strcmp(args[0], "timeout") == 0) {
1380 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001381 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1382 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001383 err_code |= ERR_ALERT | ERR_FATAL;
1384 goto out;
1385 }
1386 else if (strcmp(args[1], "mail") == 0) {
1387 const char *res;
1388 unsigned int timeout_mail;
1389 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001390 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1391 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001392 err_code |= ERR_ALERT | ERR_FATAL;
1393 goto out;
1394 }
1395 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
1396 if (res) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001397 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
1398 file, linenum, *res, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001399 err_code |= ERR_ALERT | ERR_FATAL;
1400 goto out;
1401 }
1402 if (timeout_mail <= 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001403 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 +01001404 err_code |= ERR_ALERT | ERR_FATAL;
1405 goto out;
1406 }
1407 curmailers->timeout.mail = timeout_mail;
1408 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001409 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001410 file, linenum, args[0], args[1]);
1411 err_code |= ERR_ALERT | ERR_FATAL;
1412 goto out;
1413 }
1414 }
Simon Horman0d16a402015-01-30 11:22:58 +09001415 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001416 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001417 err_code |= ERR_ALERT | ERR_FATAL;
1418 goto out;
1419 }
1420
1421out:
1422 free(errmsg);
1423 return err_code;
1424}
1425
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001426void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001427{
1428 free(p->email_alert.mailers.name);
1429 p->email_alert.mailers.name = NULL;
1430 free(p->email_alert.from);
1431 p->email_alert.from = NULL;
1432 free(p->email_alert.to);
1433 p->email_alert.to = NULL;
1434 free(p->email_alert.myhostname);
1435 p->email_alert.myhostname = NULL;
1436}
1437
Willy Tarreaubaaee002006-06-26 02:48:02 +02001438
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001439int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001440cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1441{
1442#ifdef CONFIG_HAP_NS
1443 const char *err;
1444 const char *item = args[0];
1445
1446 if (!strcmp(item, "namespace_list")) {
1447 return 0;
1448 }
1449 else if (!strcmp(item, "namespace")) {
1450 size_t idx = 1;
1451 const char *current;
1452 while (*(current = args[idx++])) {
1453 err = invalid_char(current);
1454 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001455 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1456 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001457 return ERR_ALERT | ERR_FATAL;
1458 }
1459
1460 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001461 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1462 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001463 return ERR_ALERT | ERR_FATAL;
1464 }
1465 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001466 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1467 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001468 return ERR_ALERT | ERR_FATAL;
1469 }
1470 }
1471 }
1472
1473 return 0;
1474#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001475 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1476 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001477 return ERR_ALERT | ERR_FATAL;
1478#endif
1479}
1480
1481int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001482cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1483{
1484
1485 int err_code = 0;
1486 const char *err;
1487
1488 if (!strcmp(args[0], "userlist")) { /* new userlist */
1489 struct userlist *newul;
1490
1491 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001492 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1493 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001494 err_code |= ERR_ALERT | ERR_FATAL;
1495 goto out;
1496 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001497 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1498 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001499
1500 err = invalid_char(args[1]);
1501 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001502 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1503 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001504 err_code |= ERR_ALERT | ERR_FATAL;
1505 goto out;
1506 }
1507
1508 for (newul = userlist; newul; newul = newul->next)
1509 if (!strcmp(newul->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001510 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1511 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001512 err_code |= ERR_WARN;
1513 goto out;
1514 }
1515
Vincent Bernat02779b62016-04-03 13:48:43 +02001516 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001517 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001518 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001519 err_code |= ERR_ALERT | ERR_ABORT;
1520 goto out;
1521 }
1522
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001523 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001524 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001525 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001526 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001527 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001528 goto out;
1529 }
1530
1531 newul->next = userlist;
1532 userlist = newul;
1533
1534 } else if (!strcmp(args[0], "group")) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001535 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001536 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001537 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001538
1539 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001540 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1541 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001542 err_code |= ERR_ALERT | ERR_FATAL;
1543 goto out;
1544 }
1545
1546 err = invalid_char(args[1]);
1547 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001548 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1549 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001550 err_code |= ERR_ALERT | ERR_FATAL;
1551 goto out;
1552 }
1553
William Lallemand4ac9f542015-05-28 18:03:51 +02001554 if (!userlist)
1555 goto out;
1556
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001557 for (ag = userlist->groups; ag; ag = ag->next)
1558 if (!strcmp(ag->name, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001559 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1560 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001561 err_code |= ERR_ALERT;
1562 goto out;
1563 }
1564
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001565 ag = calloc(1, sizeof(*ag));
1566 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001567 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001568 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001569 goto out;
1570 }
1571
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001572 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001573 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001574 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001575 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001576 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001577 goto out;
1578 }
1579
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001580 cur_arg = 2;
1581
1582 while (*args[cur_arg]) {
1583 if (!strcmp(args[cur_arg], "users")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001584 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001585 cur_arg += 2;
1586 continue;
1587 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001588 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1589 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001590 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001591 free(ag->groupusers);
1592 free(ag->name);
1593 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001594 goto out;
1595 }
1596 }
1597
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001598 ag->next = userlist->groups;
1599 userlist->groups = ag;
1600
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001601 } else if (!strcmp(args[0], "user")) { /* new user */
1602 struct auth_users *newuser;
1603 int cur_arg;
1604
1605 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001606 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1607 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001608 err_code |= ERR_ALERT | ERR_FATAL;
1609 goto out;
1610 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001611 if (!userlist)
1612 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001613
1614 for (newuser = userlist->users; newuser; newuser = newuser->next)
1615 if (!strcmp(newuser->user, args[1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001616 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1617 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001618 err_code |= ERR_ALERT;
1619 goto out;
1620 }
1621
Vincent Bernat02779b62016-04-03 13:48:43 +02001622 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001623 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001624 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001625 err_code |= ERR_ALERT | ERR_ABORT;
1626 goto out;
1627 }
1628
1629 newuser->user = strdup(args[1]);
1630
1631 newuser->next = userlist->users;
1632 userlist->users = newuser;
1633
1634 cur_arg = 2;
1635
1636 while (*args[cur_arg]) {
1637 if (!strcmp(args[cur_arg], "password")) {
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001638#ifdef CONFIG_HAP_CRYPT
1639 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001640 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1641 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001642 err_code |= ERR_ALERT | ERR_FATAL;
1643 goto out;
1644 }
1645#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001646 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1647 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001648 err_code |= ERR_ALERT;
1649#endif
1650 newuser->pass = strdup(args[cur_arg + 1]);
1651 cur_arg += 2;
1652 continue;
1653 } else if (!strcmp(args[cur_arg], "insecure-password")) {
1654 newuser->pass = strdup(args[cur_arg + 1]);
1655 newuser->flags |= AU_O_INSECURE;
1656 cur_arg += 2;
1657 continue;
1658 } else if (!strcmp(args[cur_arg], "groups")) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001659 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001660 cur_arg += 2;
1661 continue;
1662 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001663 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1664 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001665 err_code |= ERR_ALERT | ERR_FATAL;
1666 goto out;
1667 }
1668 }
1669 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001670 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 +01001671 err_code |= ERR_ALERT | ERR_FATAL;
1672 }
1673
1674out:
1675 return err_code;
1676}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001677
Christopher Faulet79bdef32016-11-04 22:36:15 +01001678int
1679cfg_parse_scope(const char *file, int linenum, char *line)
1680{
1681 char *beg, *end, *scope = NULL;
1682 int err_code = 0;
1683 const char *err;
1684
1685 beg = line + 1;
1686 end = strchr(beg, ']');
1687
1688 /* Detect end of scope declaration */
1689 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001690 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1691 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001692 err_code |= ERR_ALERT | ERR_FATAL;
1693 goto out;
1694 }
1695
1696 /* Get scope name and check its validity */
1697 scope = my_strndup(beg, end-beg);
1698 err = invalid_char(scope);
1699 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001700 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1701 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001702 err_code |= ERR_ALERT | ERR_ABORT;
1703 goto out;
1704 }
1705
1706 /* Be sure to have a scope declaration alone on its line */
1707 line = end+1;
1708 while (isspace((unsigned char)*line))
1709 line++;
1710 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001711 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1712 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001713 err_code |= ERR_ALERT | ERR_ABORT;
1714 goto out;
1715 }
1716
1717 /* We have a valid scope declaration, save it */
1718 free(cfg_scope);
1719 cfg_scope = scope;
1720 scope = NULL;
1721
1722 out:
1723 free(scope);
1724 return err_code;
1725}
1726
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001727int
1728cfg_parse_track_sc_num(unsigned int *track_sc_num,
1729 const char *arg, const char *end, char **errmsg)
1730{
1731 const char *p;
1732 unsigned int num;
1733
1734 p = arg;
1735 num = read_uint64(&arg, end);
1736
1737 if (arg != end) {
1738 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1739 return -1;
1740 }
1741
1742 if (num >= MAX_SESS_STKCTR) {
1743 memprintf(errmsg, "%u track-sc number exceeding "
1744 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1745 return -1;
1746 }
1747
1748 *track_sc_num = num;
1749 return 0;
1750}
1751
Willy Tarreaubaaee002006-06-26 02:48:02 +02001752/*
1753 * This function reads and parses the configuration file given in the argument.
Willy Tarreau058e9072009-07-20 09:30:05 +02001754 * Returns the error code, 0 if OK, or any combination of :
1755 * - ERR_ABORT: must abort ASAP
1756 * - ERR_FATAL: we can continue parsing but not start the service
1757 * - ERR_WARN: a warning has been emitted
1758 * - ERR_ALERT: an alert has been emitted
1759 * Only the two first ones can stop processing, the two others are just
1760 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001761 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001762int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001763{
William Lallemand64e84512015-05-12 14:25:37 +02001764 char *thisline;
1765 int linesize = LINESIZE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001766 FILE *f;
1767 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001768 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001769 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001770 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001771 int readbytes = 0;
1772
1773 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001774 ha_alert("parsing [%s] : out of memory.\n", file);
William Lallemand64e84512015-05-12 14:25:37 +02001775 return -1;
1776 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001777
David Carlier97880bb2016-04-08 10:35:26 +01001778 if ((f=fopen(file,"r")) == NULL) {
1779 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001780 return -1;
David Carlier97880bb2016-04-08 10:35:26 +01001781 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001782
William Lallemandb2f07452015-05-12 14:27:13 +02001783next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001784 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001785 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001786 char *end;
1787 char *args[MAX_LINE_ARGS + 1];
1788 char *line = thisline;
William Lallemandf9873ba2015-05-05 17:37:14 +02001789 int dquote = 0; /* double quote */
1790 int squote = 0; /* simple quote */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001791
Willy Tarreaubaaee002006-06-26 02:48:02 +02001792 linenum++;
1793
1794 end = line + strlen(line);
1795
William Lallemand64e84512015-05-12 14:25:37 +02001796 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001797 /* Check if we reached the limit and the last char is not \n.
1798 * Watch out for the last line without the terminating '\n'!
1799 */
William Lallemand64e84512015-05-12 14:25:37 +02001800 char *newline;
1801 int newlinesize = linesize * 2;
1802
1803 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1804 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001805 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1806 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001807 err_code |= ERR_ALERT | ERR_FATAL;
1808 continue;
1809 }
1810
1811 readbytes = linesize - 1;
1812 linesize = newlinesize;
1813 thisline = newline;
1814 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001815 }
1816
William Lallemand64e84512015-05-12 14:25:37 +02001817 readbytes = 0;
1818
Willy Tarreaubaaee002006-06-26 02:48:02 +02001819 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001820 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001821 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001822
Christopher Faulet79bdef32016-11-04 22:36:15 +01001823
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001824 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001825 err_code |= cfg_parse_scope(file, linenum, line);
1826 goto next_line;
1827 }
1828
Willy Tarreaubaaee002006-06-26 02:48:02 +02001829 arg = 0;
1830 args[arg] = line;
1831
1832 while (*line && arg < MAX_LINE_ARGS) {
William Lallemandf9873ba2015-05-05 17:37:14 +02001833 if (*line == '"' && !squote) { /* double quote outside single quotes */
1834 if (dquote)
1835 dquote = 0;
1836 else
1837 dquote = 1;
William Lallemand3f415602015-05-12 14:01:09 +02001838 memmove(line, line + 1, end - line);
William Lallemandf9873ba2015-05-05 17:37:14 +02001839 end--;
1840 }
1841 else if (*line == '\'' && !dquote) { /* single quote outside double quotes */
1842 if (squote)
1843 squote = 0;
1844 else
1845 squote = 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 == '\\' && !squote) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001850 /* first, we'll replace \\, \<space>, \#, \r, \n, \t, \xXX with their
1851 * C equivalent value. Other combinations left unchanged (eg: \1).
1852 */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001853 int skip = 0;
1854 if (line[1] == ' ' || line[1] == '\\' || line[1] == '#') {
1855 *line = line[1];
1856 skip = 1;
1857 }
1858 else if (line[1] == 'r') {
1859 *line = '\r';
1860 skip = 1;
William Lallemandf9873ba2015-05-05 17:37:14 +02001861 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001862 else if (line[1] == 'n') {
1863 *line = '\n';
1864 skip = 1;
1865 }
1866 else if (line[1] == 't') {
1867 *line = '\t';
1868 skip = 1;
1869 }
1870 else if (line[1] == 'x') {
Emeric Brunb982a3d2010-01-04 15:45:53 +01001871 if ((line + 3 < end) && ishex(line[2]) && ishex(line[3])) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001872 unsigned char hex1, hex2;
1873 hex1 = toupper(line[2]) - '0';
1874 hex2 = toupper(line[3]) - '0';
1875 if (hex1 > 9) hex1 -= 'A' - '9' - 1;
1876 if (hex2 > 9) hex2 -= 'A' - '9' - 1;
1877 *line = (hex1<<4) + hex2;
1878 skip = 3;
1879 }
1880 else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001881 ha_alert("parsing [%s:%d] : invalid or incomplete '\\x' sequence in '%s'.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02001882 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001883 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001884 } else if (line[1] == '"') {
1885 *line = '"';
1886 skip = 1;
1887 } else if (line[1] == '\'') {
1888 *line = '\'';
1889 skip = 1;
William Lallemandb2f07452015-05-12 14:27:13 +02001890 } else if (line[1] == '$' && dquote) { /* escaping of $ only inside double quotes */
1891 *line = '$';
1892 skip = 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001893 }
1894 if (skip) {
Cyril Bontédd1b01d2009-12-06 13:43:42 +01001895 memmove(line + 1, line + 1 + skip, end - (line + skip));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001896 end -= skip;
1897 }
1898 line++;
1899 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001900 else if ((!squote && !dquote && *line == '#') || *line == '\n' || *line == '\r') {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001901 /* end of string, end of loop */
1902 *line = 0;
1903 break;
1904 }
William Lallemandf9873ba2015-05-05 17:37:14 +02001905 else if (!squote && !dquote && isspace((unsigned char)*line)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001906 /* a non-escaped space is an argument separator */
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001907 *line++ = '\0';
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001908 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001909 line++;
1910 args[++arg] = line;
1911 }
William Lallemandb2f07452015-05-12 14:27:13 +02001912 else if (dquote && *line == '$') {
1913 /* environment variables are evaluated inside double quotes */
1914 char *var_beg;
1915 char *var_end;
1916 char save_char;
1917 char *value;
1918 int val_len;
1919 int newlinesize;
1920 int braces = 0;
1921
1922 var_beg = line + 1;
1923 var_end = var_beg;
1924
1925 if (*var_beg == '{') {
1926 var_beg++;
1927 var_end++;
1928 braces = 1;
1929 }
1930
1931 if (!isalpha((int)(unsigned char)*var_beg) && *var_beg != '_') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001932 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 +02001933 err_code |= ERR_ALERT | ERR_FATAL;
1934 goto next_line; /* skip current line */
1935 }
1936
1937 while (isalnum((int)(unsigned char)*var_end) || *var_end == '_')
1938 var_end++;
1939
1940 save_char = *var_end;
1941 *var_end = '\0';
1942 value = getenv(var_beg);
1943 *var_end = save_char;
1944 val_len = value ? strlen(value) : 0;
1945
1946 if (braces) {
1947 if (*var_end == '}') {
1948 var_end++;
1949 braces = 0;
1950 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001951 ha_alert("parsing [%s:%d] : Variable expansion: Mismatched braces.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001952 err_code |= ERR_ALERT | ERR_FATAL;
1953 goto next_line; /* skip current line */
1954 }
1955 }
1956
1957 newlinesize = (end - thisline) - (var_end - line) + val_len + 1;
1958
1959 /* if not enough space in thisline */
1960 if (newlinesize > linesize) {
1961 char *newline;
1962
1963 newline = realloc(thisline, newlinesize * sizeof(*thisline));
1964 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001965 ha_alert("parsing [%s:%d] : Variable expansion: Not enough memory.\n", file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02001966 err_code |= ERR_ALERT | ERR_FATAL;
1967 goto next_line; /* slip current line */
1968 }
1969 /* recompute pointers if realloc returns a new pointer */
1970 if (newline != thisline) {
1971 int i;
1972 int diff;
1973
1974 for (i = 0; i <= arg; i++) {
1975 diff = args[i] - thisline;
1976 args[i] = newline + diff;
1977 }
1978
1979 diff = var_end - thisline;
1980 var_end = newline + diff;
1981 diff = end - thisline;
1982 end = newline + diff;
1983 diff = line - thisline;
1984 line = newline + diff;
1985 thisline = newline;
1986 }
1987 linesize = newlinesize;
1988 }
1989
1990 /* insert value inside the line */
1991 memmove(line + val_len, var_end, end - var_end + 1);
1992 memcpy(line, value, val_len);
1993 end += val_len - (var_end - line);
1994 line += val_len;
1995 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001996 else {
1997 line++;
1998 }
1999 }
William Lallemandb2f07452015-05-12 14:27:13 +02002000
William Lallemandf9873ba2015-05-05 17:37:14 +02002001 if (dquote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002002 ha_alert("parsing [%s:%d] : Mismatched double quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002003 err_code |= ERR_ALERT | ERR_FATAL;
2004 }
2005
2006 if (squote) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002007 ha_alert("parsing [%s:%d] : Mismatched simple quotes.\n", file, linenum);
William Lallemandf9873ba2015-05-05 17:37:14 +02002008 err_code |= ERR_ALERT | ERR_FATAL;
2009 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002010
2011 /* empty line */
2012 if (!**args)
2013 continue;
2014
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002015 if (*line) {
2016 /* we had to stop due to too many args.
2017 * Let's terminate the string, print the offending part then cut the
2018 * last arg.
2019 */
2020 while (*line && *line != '#' && *line != '\n' && *line != '\r')
2021 line++;
2022 *line = '\0';
2023
Christopher Faulet767a84b2017-11-24 16:50:31 +01002024 ha_alert("parsing [%s:%d]: line too long, truncating at word %d, position %ld: <%s>.\n",
2025 file, linenum, arg + 1, (long)(args[arg] - thisline + 1), args[arg]);
Willy Tarreau7bb651e2009-11-09 21:16:53 +01002026 err_code |= ERR_ALERT | ERR_FATAL;
2027 args[arg] = line;
2028 }
2029
Willy Tarreau540abe42007-05-02 20:50:16 +02002030 /* zero out remaining args and ensure that at least one entry
2031 * is zeroed out.
2032 */
2033 while (++arg <= MAX_LINE_ARGS) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02002034 args[arg] = line;
2035 }
2036
Willy Tarreau3842f002009-06-14 11:39:52 +02002037 /* check for keyword modifiers "no" and "default" */
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002038 if (!strcmp(args[0], "no")) {
William Lallemand0f99e342011-10-12 17:50:54 +02002039 char *tmp;
2040
Willy Tarreau3842f002009-06-14 11:39:52 +02002041 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002042 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002043 for (arg=0; *args[arg+1]; arg++)
2044 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002045 *tmp = '\0'; // fix the next arg to \0
2046 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002047 }
Willy Tarreau3842f002009-06-14 11:39:52 +02002048 else if (!strcmp(args[0], "default")) {
2049 kwm = KWM_DEF;
2050 for (arg=0; *args[arg+1]; arg++)
2051 args[arg] = args[arg+1]; // shift args after inversion
2052 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002053
William Lallemand0f99e342011-10-12 17:50:54 +02002054 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 && \
Willy Tarreaubeb859a2018-11-22 18:07:59 +01002055 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling")) {
2056 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 +02002057 err_code |= ERR_ALERT | ERR_FATAL;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002058 }
2059
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002060 /* detect section start */
2061 list_for_each_entry(ics, &sections, list) {
2062 if (strcmp(args[0], ics->section_name) == 0) {
2063 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002064 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002065 cs = ics;
2066 break;
2067 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002068 }
2069
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002070 if (pcs && pcs->post_section_parser) {
2071 err_code |= pcs->post_section_parser();
2072 if (err_code & ERR_ABORT)
2073 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002074 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002075 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002076
William Lallemandd2ff56d2017-10-16 11:06:50 +02002077 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002078 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002079 err_code |= ERR_ALERT | ERR_FATAL;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002080 } else {
William Lallemandd2ff56d2017-10-16 11:06:50 +02002081 err_code |= cs->section_parser(file, linenum, args, kwm);
2082 if (err_code & ERR_ABORT)
2083 goto err;
2084 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002085 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002086
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002087 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002088 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002089
2090err:
Christopher Faulet79bdef32016-11-04 22:36:15 +01002091 free(cfg_scope);
2092 cfg_scope = NULL;
Willy Tarreau6daf3432008-01-22 16:44:08 +01002093 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002094 free(thisline);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002095 fclose(f);
Willy Tarreau058e9072009-07-20 09:30:05 +02002096 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002097}
2098
Willy Tarreau64ab6072014-09-16 12:17:36 +02002099/* This function propagates processes from frontend <from> to backend <to> so
2100 * that it is always guaranteed that a backend pointed to by a frontend is
2101 * bound to all of its processes. After that, if the target is a "listen"
2102 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002103 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002104 * checked first to ensure that <to> is already bound to all processes of
2105 * <from>, there is no risk of looping and we ensure to follow the shortest
2106 * path to the destination.
2107 *
2108 * It is possible to set <to> to NULL for the first call so that the function
2109 * takes care of visiting the initial frontend in <from>.
2110 *
2111 * It is important to note that the function relies on the fact that all names
2112 * have already been resolved.
2113 */
2114void propagate_processes(struct proxy *from, struct proxy *to)
2115{
2116 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002117
2118 if (to) {
2119 /* check whether we need to go down */
2120 if (from->bind_proc &&
2121 (from->bind_proc & to->bind_proc) == from->bind_proc)
2122 return;
2123
2124 if (!from->bind_proc && !to->bind_proc)
2125 return;
2126
2127 to->bind_proc = from->bind_proc ?
2128 (to->bind_proc | from->bind_proc) : 0;
2129
2130 /* now propagate down */
2131 from = to;
2132 }
2133
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002134 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002135 return;
2136
Willy Tarreauf6b70012014-12-18 14:00:43 +01002137 if (from->state == PR_STSTOPPED)
2138 return;
2139
Willy Tarreau64ab6072014-09-16 12:17:36 +02002140 /* default_backend */
2141 if (from->defbe.be)
2142 propagate_processes(from, from->defbe.be);
2143
2144 /* use_backend */
2145 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002146 if (rule->dynamic)
2147 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002148 to = rule->be.backend;
2149 propagate_processes(from, to);
2150 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002151}
2152
Willy Tarreaubb925012009-07-23 13:36:36 +02002153/*
2154 * Returns the error code, 0 if OK, or any combination of :
2155 * - ERR_ABORT: must abort ASAP
2156 * - ERR_FATAL: we can continue parsing but not start the service
2157 * - ERR_WARN: a warning has been emitted
2158 * - ERR_ALERT: an alert has been emitted
2159 * Only the two first ones can stop processing, the two others are just
2160 * indicators.
2161 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002162int check_config_validity()
2163{
2164 int cfgerr = 0;
2165 struct proxy *curproxy = NULL;
2166 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002167 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002168 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002169 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002170 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002171 struct cfg_postparser *postparser;
Ben Draut054fbee2018-04-13 15:43:04 -06002172 struct dns_resolvers *curr_resolvers = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002173
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002174 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002175 /*
2176 * Now, check for the integrity of all that we have collected.
2177 */
2178
2179 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002180 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002181
Willy Tarreau193b8c62012-11-22 00:17:38 +01002182 if (!global.tune.max_http_hdr)
2183 global.tune.max_http_hdr = MAX_HTTP_HDR;
2184
2185 if (!global.tune.cookie_len)
2186 global.tune.cookie_len = CAPTURE_LEN;
2187
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002188 if (!global.tune.requri_len)
2189 global.tune.requri_len = REQURI_LEN;
2190
Willy Tarreaubafbe012017-11-24 17:34:44 +01002191 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002192
Willy Tarreaubafbe012017-11-24 17:34:44 +01002193 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002194
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002195 /* Post initialisation of the users and groups lists. */
2196 err_code = userlist_postinit();
2197 if (err_code != ERR_NONE)
2198 goto out;
2199
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002200 /* first, we will invert the proxy list order */
2201 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002202 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002203 struct proxy *next;
2204
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002205 next = proxies_list->next;
2206 proxies_list->next = curproxy;
2207 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002208 if (!next)
2209 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002210 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002211 }
2212
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002213 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002214 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002215 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002216 struct sticking_rule *mrule;
Christopher Faulete4e830d2017-09-18 14:51:41 +02002217 struct act_rule *arule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002218 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002219 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002220 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002221
Willy Tarreau050536d2012-10-04 08:47:34 +02002222 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002223 /* proxy ID not set, use automatic numbering with first
2224 * spare entry starting with next_pxid.
2225 */
2226 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2227 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2228 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002229 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002230 next_pxid++;
2231
Willy Tarreau55ea7572007-06-17 19:56:27 +02002232
Willy Tarreaubaaee002006-06-26 02:48:02 +02002233 if (curproxy->state == PR_STSTOPPED) {
Willy Tarreauda250db2008-10-12 12:07:48 +02002234 /* ensure we don't keep listeners uselessly bound */
2235 stop_proxy(curproxy);
Willy Tarreau02df7742015-05-01 19:59:56 +02002236 free((void *)curproxy->table.peers.name);
2237 curproxy->table.peers.p = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002238 continue;
2239 }
2240
Willy Tarreau102df612014-05-07 23:56:38 +02002241 /* Check multi-process mode compatibility for the current proxy */
2242
2243 if (curproxy->bind_proc) {
2244 /* an explicit bind-process was specified, let's check how many
2245 * processes remain.
2246 */
David Carliere6c39412015-07-02 07:00:17 +00002247 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002248
2249 curproxy->bind_proc &= nbits(global.nbproc);
2250 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002251 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 +02002252 curproxy->bind_proc = 1;
2253 }
2254 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002255 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 +02002256 curproxy->bind_proc = 0;
2257 }
2258 }
2259
Willy Tarreau3d209582014-05-09 17:06:11 +02002260 /* check and reduce the bind-proc of each listener */
2261 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2262 unsigned long mask;
2263
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002264 /* HTTP frontends with "h2" as ALPN/NPN will work in
2265 * HTTP/2 and absolutely require buffers 16kB or larger.
2266 */
2267#ifdef USE_OPENSSL
2268 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2269#ifdef OPENSSL_NPN_NEGOTIATED
2270 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002271 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002272 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",
2273 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002274 cfgerr++;
2275 }
2276#endif
2277#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2278 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002279 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002280 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",
2281 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002282 cfgerr++;
2283 }
2284#endif
2285 } /* HTTP && bufsize < 16384 */
2286#endif
2287
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002288 /* detect and address thread affinity inconsistencies */
2289 nbproc = 0;
2290 if (bind_conf->bind_proc)
2291 nbproc = my_ffsl(bind_conf->bind_proc);
2292
2293 mask = bind_conf->bind_thread[nbproc - 1];
Willy Tarreau0c026f42018-08-01 19:12:20 +02002294 if (mask && !(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002295 unsigned long new_mask = 0;
2296
2297 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002298 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002299 mask >>= global.nbthread;
2300 }
2301
2302 for (nbproc = 0; nbproc < LONGBITS; nbproc++) {
2303 if (!bind_conf->bind_proc || (bind_conf->bind_proc & (1UL << nbproc)))
2304 bind_conf->bind_thread[nbproc] = new_mask;
2305 }
2306 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",
2307 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2308 }
2309
2310 /* detect process and nbproc affinity inconsistencies */
Willy Tarreau3d209582014-05-09 17:06:11 +02002311 if (!bind_conf->bind_proc)
2312 continue;
2313
2314 mask = nbits(global.nbproc);
2315 if (curproxy->bind_proc)
2316 mask &= curproxy->bind_proc;
2317 /* mask cannot be null here thanks to the previous checks */
2318
David Carliere6c39412015-07-02 07:00:17 +00002319 nbproc = my_popcountl(bind_conf->bind_proc);
Willy Tarreau3d209582014-05-09 17:06:11 +02002320 bind_conf->bind_proc &= mask;
2321
2322 if (!bind_conf->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002323 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",
2324 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002325 bind_conf->bind_proc = mask & ~(mask - 1);
2326 }
2327 else if (!bind_conf->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002328 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",
2329 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreau3d209582014-05-09 17:06:11 +02002330 bind_conf->bind_proc = 0;
2331 }
2332 }
2333
Willy Tarreauff01a212009-03-15 13:46:16 +01002334 switch (curproxy->mode) {
2335 case PR_MODE_HEALTH:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002336 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002337 if (!(curproxy->cap & PR_CAP_FE)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002338 ha_alert("config : %s '%s' cannot be in health mode as it has no frontend capability.\n",
2339 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002340 cfgerr++;
2341 }
2342
2343 if (curproxy->srv != NULL)
Christopher Faulet767a84b2017-11-24 16:50:31 +01002344 ha_warning("config : servers will be ignored for %s '%s'.\n",
2345 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauff01a212009-03-15 13:46:16 +01002346 break;
2347
2348 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002349 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002350 break;
2351
2352 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002353 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002354 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002355
2356 case PR_MODE_CLI:
2357 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2358 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002359 }
2360
Willy Tarreau58aa5cc2018-02-08 09:55:09 +01002361 if (curproxy != global.stats_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002362 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2363 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002364 err_code |= ERR_WARN;
2365 }
2366
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002367 if ((curproxy->cap & PR_CAP_BE) && (curproxy->mode != PR_MODE_HEALTH)) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002368 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002369 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002370 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2371 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002372 cfgerr++;
2373 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002374#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002375 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002376 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2377 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002378 cfgerr++;
2379 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002380#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002381 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002382 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2383 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002384 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002385 }
2386 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002387 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002388 /* If no LB algo is set in a backend, and we're not in
2389 * transparent mode, dispatch mode nor proxy mode, we
2390 * want to use balance roundrobin by default.
2391 */
2392 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2393 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002394 }
2395 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002396
Willy Tarreau1620ec32011-08-06 17:05:02 +02002397 if (curproxy->options & PR_O_DISPATCH)
2398 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2399 else if (curproxy->options & PR_O_HTTP_PROXY)
2400 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2401 else if (curproxy->options & PR_O_TRANSP)
2402 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002403
Willy Tarreau1620ec32011-08-06 17:05:02 +02002404 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_HTTP_CHK) {
2405 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002406 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2407 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002408 err_code |= ERR_WARN;
2409 curproxy->options &= ~PR_O_DISABLE404;
2410 }
2411 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002412 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2413 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002414 err_code |= ERR_WARN;
2415 curproxy->options &= ~PR_O2_CHK_SNDST;
2416 }
Willy Tarreauef781042010-01-27 11:53:01 +01002417 }
2418
Simon Horman98637e52014-06-20 12:30:16 +09002419 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2420 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002421 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2422 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002423 cfgerr++;
2424 }
2425 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002426 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2427 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002428 cfgerr++;
2429 }
2430 }
2431
Simon Horman64e34162015-02-06 11:11:57 +09002432 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002433 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002434 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2435 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2436 "'email-alert myhostname', or 'email-alert to' "
2437 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2438 "to be present).\n",
2439 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002440 err_code |= ERR_WARN;
2441 free_email_alert(curproxy);
2442 }
2443 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002444 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002445 }
2446
Simon Horman98637e52014-06-20 12:30:16 +09002447 if (curproxy->check_command) {
2448 int clear = 0;
2449 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002450 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2451 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002452 err_code |= ERR_WARN;
2453 clear = 1;
2454 }
2455 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002456 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2457 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002458 cfgerr++;
2459 }
2460 if (clear) {
2461 free(curproxy->check_command);
2462 curproxy->check_command = NULL;
2463 }
2464 }
2465
2466 if (curproxy->check_path) {
2467 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002468 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2469 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002470 err_code |= ERR_WARN;
2471 free(curproxy->check_path);
2472 curproxy->check_path = NULL;
2473 }
2474 }
2475
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002476 /* if a default backend was specified, let's find it */
2477 if (curproxy->defbe.name) {
2478 struct proxy *target;
2479
Willy Tarreauafb39922015-05-26 12:04:09 +02002480 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002481 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002482 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2483 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002484 cfgerr++;
2485 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002486 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2487 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002488 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002489 } else if (target->mode != curproxy->mode &&
2490 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2491
Christopher Faulet767a84b2017-11-24 16:50:31 +01002492 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2493 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2494 curproxy->conf.file, curproxy->conf.line,
2495 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2496 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002497 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002498 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2499 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",
2500 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2501 curproxy->conf.file, curproxy->conf.line,
2502 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2503 target->conf.file, target->conf.line);
2504 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002505 } else {
2506 free(curproxy->defbe.name);
2507 curproxy->defbe.be = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002508 /* Update tot_fe_maxconn for a further fullconn's computation */
2509 target->tot_fe_maxconn += curproxy->maxconn;
Willy Tarreauff678132012-02-13 14:32:34 +01002510 /* Emit a warning if this proxy also has some servers */
2511 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002512 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2513 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002514 err_code |= ERR_WARN;
2515 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002516 }
2517 }
2518
Emeric Brun3f783572017-01-12 11:21:28 +01002519 if (!curproxy->defbe.be && (curproxy->cap & PR_CAP_LISTEN) == PR_CAP_LISTEN) {
2520 /* Case of listen without default backend
2521 * The curproxy will be its own default backend
2522 * so we update tot_fe_maxconn for a further
2523 * fullconn's computation */
2524 curproxy->tot_fe_maxconn += curproxy->maxconn;
2525 }
2526
Willy Tarreau55ea7572007-06-17 19:56:27 +02002527 /* find the target proxy for 'use_backend' rules */
2528 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002529 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002530 struct logformat_node *node;
2531 char *pxname;
2532
2533 /* Try to parse the string as a log format expression. If the result
2534 * of the parsing is only one entry containing a simple string, then
2535 * it's a standard string corresponding to a static rule, thus the
2536 * parsing is cancelled and be.name is restored to be resolved.
2537 */
2538 pxname = rule->be.name;
2539 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002540 curproxy->conf.args.ctx = ARGC_UBK;
2541 curproxy->conf.args.file = rule->file;
2542 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002543 err = NULL;
2544 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002545 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2546 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002547 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002548 cfgerr++;
2549 continue;
2550 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002551 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2552
2553 if (!LIST_ISEMPTY(&rule->be.expr)) {
2554 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2555 rule->dynamic = 1;
2556 free(pxname);
2557 continue;
2558 }
2559 /* simple string: free the expression and fall back to static rule */
2560 free(node->arg);
2561 free(node);
2562 }
2563
2564 rule->dynamic = 0;
2565 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002566
Willy Tarreauafb39922015-05-26 12:04:09 +02002567 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002568 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002569 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2570 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002571 cfgerr++;
2572 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002573 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2574 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002575 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002576 } else if (target->mode != curproxy->mode &&
2577 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2578
Christopher Faulet767a84b2017-11-24 16:50:31 +01002579 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2580 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2581 curproxy->conf.file, curproxy->conf.line,
2582 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2583 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002584 cfgerr++;
Willy Tarreau68ad3a42018-10-22 11:49:15 +02002585 } else if ((curproxy->options2 ^ target->options2) & PR_O2_USE_HTX) {
2586 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",
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);
2591 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002592 } else {
2593 free((void *)rule->be.name);
2594 rule->be.backend = target;
Emeric Brun3f783572017-01-12 11:21:28 +01002595 /* For each target of switching rules, we update
2596 * their tot_fe_maxconn, except if a previous rule point
2597 * on the same backend or on the default backend */
2598 if (rule->be.backend != curproxy->defbe.be) {
2599 struct switching_rule *swrule;
2600
2601 list_for_each_entry(swrule, &curproxy->switching_rules, list) {
2602 if (rule == swrule) {
2603 target->tot_fe_maxconn += curproxy->maxconn;
2604 break;
2605 }
2606 else if (!swrule->dynamic && swrule->be.backend == rule->be.backend) {
2607 /* there is multiple ref of this backend */
2608 break;
2609 }
2610 }
2611 }
Willy Tarreau55ea7572007-06-17 19:56:27 +02002612 }
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002613 }
2614
Willy Tarreau64ab6072014-09-16 12:17:36 +02002615 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002616 list_for_each_entry(srule, &curproxy->server_rules, list) {
2617 struct server *target = findserver(curproxy, srule->srv.name);
2618
2619 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002620 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
2621 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002622 cfgerr++;
2623 continue;
2624 }
2625 free((void *)srule->srv.name);
2626 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002627 }
2628
Emeric Brunb982a3d2010-01-04 15:45:53 +01002629 /* find the target table for 'stick' rules */
2630 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
2631 struct proxy *target;
2632
Emeric Brun1d33b292010-01-04 15:47:17 +01002633 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
2634 if (mrule->flags & STK_IS_STORE)
2635 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2636
Emeric Brunb982a3d2010-01-04 15:45:53 +01002637 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002638 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002639 else
2640 target = curproxy;
2641
2642 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002643 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
2644 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002645 cfgerr++;
2646 }
2647 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002648 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2649 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002650 cfgerr++;
2651 }
Willy Tarreau12785782012-04-27 21:37:17 +02002652 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002653 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2654 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002655 cfgerr++;
2656 }
2657 else {
2658 free((void *)mrule->table.name);
2659 mrule->table.t = &(target->table);
Willy Tarreau888617d2010-06-20 09:11:39 +02002660 stktable_alloc_data_type(&target->table, STKTABLE_DT_SERVER_ID, NULL);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002661 }
2662 }
2663
2664 /* find the target table for 'store response' rules */
2665 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
2666 struct proxy *target;
2667
Emeric Brun1d33b292010-01-04 15:47:17 +01002668 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
2669
Emeric Brunb982a3d2010-01-04 15:45:53 +01002670 if (mrule->table.name)
Willy Tarreau9e0bb102015-05-26 11:24:42 +02002671 target = proxy_tbl_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002672 else
2673 target = curproxy;
2674
2675 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002676 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
2677 curproxy->id, mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002678 cfgerr++;
2679 }
2680 else if (target->table.size == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002681 ha_alert("Proxy '%s': stick-table '%s' used but not configured.\n",
2682 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002683 cfgerr++;
2684 }
Willy Tarreau12785782012-04-27 21:37:17 +02002685 else if (!stktable_compatible_sample(mrule->expr, target->table.type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002686 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
2687 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01002688 cfgerr++;
2689 }
2690 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 Faulet7ff4f142018-11-20 11:23:52 +01003487 /* Special case for HTX because it is still experimental */
3488 if (curproxy->options2 & PR_O2_USE_HTX)
3489 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 Faulet7ff4f142018-11-20 11:23:52 +01003516 /* Special case for HTX because it is still experimental */
3517 if (curproxy->options2 & PR_O2_USE_HTX)
3518 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 Tarreau419ead82014-09-16 13:41:21 +02003541 }
3542
3543 /***********************************************************/
3544 /* At this point, target names have already been resolved. */
3545 /***********************************************************/
3546
3547 /* Check multi-process mode compatibility */
3548
3549 if (global.nbproc > 1 && global.stats_fe) {
3550 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3551 unsigned long mask;
3552
3553 mask = nbits(global.nbproc);
3554 if (global.stats_fe->bind_proc)
3555 mask &= global.stats_fe->bind_proc;
3556
3557 if (bind_conf->bind_proc)
3558 mask &= bind_conf->bind_proc;
3559
3560 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003561 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003562 break;
3563 }
3564 if (&bind_conf->by_fe != &global.stats_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003565 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 +02003566 }
3567 }
3568
3569 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003570 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003571 if (curproxy->bind_proc)
3572 continue;
3573
3574 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3575 unsigned long mask;
3576
Willy Tarreaue428b082015-05-04 21:57:58 +02003577 mask = bind_conf->bind_proc ? bind_conf->bind_proc : nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003578 curproxy->bind_proc |= mask;
3579 }
3580
3581 if (!curproxy->bind_proc)
Willy Tarreaue428b082015-05-04 21:57:58 +02003582 curproxy->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003583 }
3584
3585 if (global.stats_fe) {
3586 list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) {
3587 unsigned long mask;
3588
Cyril Bonté06181952016-02-24 00:14:54 +01003589 mask = bind_conf->bind_proc ? bind_conf->bind_proc : 0;
Willy Tarreau419ead82014-09-16 13:41:21 +02003590 global.stats_fe->bind_proc |= mask;
3591 }
3592 if (!global.stats_fe->bind_proc)
Willy Tarreaue428b082015-05-04 21:57:58 +02003593 global.stats_fe->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003594 }
3595
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003596 /* propagate bindings from frontends to backends. Don't do it if there
3597 * are any fatal errors as we must not call it with unresolved proxies.
3598 */
3599 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003600 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003601 if (curproxy->cap & PR_CAP_FE)
3602 propagate_processes(curproxy, NULL);
3603 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003604 }
3605
3606 /* Bind each unbound backend to all processes when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003607 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003608 if (curproxy->bind_proc)
3609 continue;
Willy Tarreaue428b082015-05-04 21:57:58 +02003610 curproxy->bind_proc = nbits(global.nbproc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003611 }
3612
3613 /*******************************************************/
3614 /* At this step, all proxies have a non-null bind_proc */
3615 /*******************************************************/
3616
3617 /* perform the final checks before creating tasks */
3618
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003619 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003620 struct listener *listener;
3621 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003622
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003623 /* Configure SSL for each bind line.
3624 * Note: if configuration fails at some point, the ->ctx member
3625 * remains NULL so that listeners can later detach.
3626 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003627 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01003628 if (bind_conf->xprt->prepare_bind_conf &&
3629 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003630 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003631 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003632
Willy Tarreaue6b98942007-10-29 01:09:36 +01003633 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003634 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02003635 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003636 int nbproc;
3637
3638 nbproc = my_popcountl(curproxy->bind_proc &
Cyril Bonté4920d702016-04-15 07:58:43 +02003639 (listener->bind_conf->bind_proc ? listener->bind_conf->bind_proc : curproxy->bind_proc) &
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02003640 nbits(global.nbproc));
3641
3642 if (!nbproc) /* no intersection between listener and frontend */
3643 nbproc = 1;
3644
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003645 if (!listener->luid) {
3646 /* listener ID not set, use automatic numbering with first
3647 * spare entry starting with next_luid.
3648 */
3649 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
3650 listener->conf.id.key = listener->luid = next_id;
3651 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003652 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01003653 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02003654
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003655 /* enable separate counters */
3656 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01003657 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01003658 if (!listener->name)
3659 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02003660 }
Willy Tarreau81796be2012-09-22 19:11:47 +02003661
Willy Tarreaue6b98942007-10-29 01:09:36 +01003662 if (curproxy->options & PR_O_TCP_NOLING)
3663 listener->options |= LI_O_NOLINGER;
Willy Tarreau32368ce2012-09-06 11:10:55 +02003664 if (!listener->maxconn)
3665 listener->maxconn = curproxy->maxconn;
3666 if (!listener->backlog)
3667 listener->backlog = curproxy->backlog;
Willy Tarreau16a21472012-11-19 12:39:59 +01003668 if (!listener->maxaccept)
3669 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : 64;
3670
3671 /* we want to have an optimal behaviour on single process mode to
3672 * maximize the work at once, but in multi-process we want to keep
3673 * some fairness between processes, so we target half of the max
3674 * number of events to be balanced over all the processes the proxy
3675 * is bound to. Rememeber that maxaccept = -1 must be kept as it is
3676 * used to disable the limit.
3677 */
3678 if (listener->maxaccept > 0) {
3679 if (nbproc > 1)
3680 listener->maxaccept = (listener->maxaccept + 1) / 2;
3681 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
3682 }
3683
Willy Tarreau9903f0e2015-04-04 18:50:31 +02003684 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003685 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01003686 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01003687
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003688 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02003689 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02003690
Willy Tarreau620408f2016-10-21 16:37:51 +02003691 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
3692 listener->options |= LI_O_TCP_L5_RULES;
3693
Willy Tarreaude3041d2010-05-31 10:56:17 +02003694 if (curproxy->mon_mask.s_addr)
3695 listener->options |= LI_O_CHK_MONNET;
3696
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003697 /* smart accept mode is automatic in HTTP mode */
3698 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003699 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02003700 !(curproxy->no_options2 & PR_O2_SMARTACC)))
3701 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01003702 }
3703
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003704 /* Release unused SSL configs */
3705 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01003706 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
3707 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02003708 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02003709
Willy Tarreau9504dd62018-10-15 09:37:03 +02003710 if (atleast2(curproxy->bind_proc & nbits(global.nbproc))) {
Willy Tarreau102df612014-05-07 23:56:38 +02003711 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02003712 int count, maxproc = 0;
3713
3714 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
David Carliere6c39412015-07-02 07:00:17 +00003715 count = my_popcountl(bind_conf->bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003716 if (count > maxproc)
3717 maxproc = count;
3718 }
3719 /* backends have 0, frontends have 1 or more */
3720 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01003721 ha_warning("Proxy '%s': in multi-process mode, stats will be"
3722 " limited to process assigned to the current request.\n",
3723 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02003724
Willy Tarreau102df612014-05-07 23:56:38 +02003725 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003726 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
3727 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003728 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003729 }
Willy Tarreau102df612014-05-07 23:56:38 +02003730 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003731 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
3732 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01003733 }
3734 }
Willy Tarreau918ff602011-07-25 16:33:49 +02003735
3736 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02003737 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02003738 if (curproxy->task) {
3739 curproxy->task->context = curproxy;
3740 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02003741 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003742 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
3743 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02003744 cfgerr++;
3745 }
Willy Tarreaub369a042014-09-16 13:21:03 +02003746 }
3747
Willy Tarreaufbb78422011-06-05 15:38:35 +02003748 /* automatically compute fullconn if not set. We must not do it in the
3749 * loop above because cross-references are not yet fully resolved.
3750 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003751 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003752 /* If <fullconn> is not set, let's set it to 10% of the sum of
3753 * the possible incoming frontend's maxconns.
3754 */
3755 if (!curproxy->fullconn && (curproxy->cap & PR_CAP_BE)) {
Willy Tarreaufbb78422011-06-05 15:38:35 +02003756 /* we have the sum of the maxconns in <total>. We only
3757 * keep 10% of that sum to set the default fullconn, with
3758 * a hard minimum of 1 (to avoid a divide by zero).
3759 */
Emeric Brun3f783572017-01-12 11:21:28 +01003760 curproxy->fullconn = (curproxy->tot_fe_maxconn + 9) / 10;
Willy Tarreaufbb78422011-06-05 15:38:35 +02003761 if (!curproxy->fullconn)
3762 curproxy->fullconn = 1;
3763 }
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01003764 }
3765
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003766 /*
3767 * Recount currently required checks.
3768 */
3769
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003770 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003771 int optnum;
3772
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003773 for (optnum = 0; cfg_opts[optnum].name; optnum++)
3774 if (curproxy->options & cfg_opts[optnum].val)
3775 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003776
Willy Tarreau66aa61f2009-01-18 21:44:07 +01003777 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
3778 if (curproxy->options2 & cfg_opts2[optnum].val)
3779 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01003780 }
3781
Willy Tarreau0fca4832015-05-01 19:12:05 +02003782 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003783 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Willy Tarreau0fca4832015-05-01 19:12:05 +02003784 if (curproxy->table.peers.p)
3785 curproxy->table.peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
3786
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003787 if (cfg_peers) {
3788 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02003789 struct peer *p, *pb;
3790
Willy Tarreau1e273012015-05-01 19:15:17 +02003791 /* Remove all peers sections which don't have a valid listener,
3792 * which are not used by any table, or which are bound to more
3793 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02003794 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003795 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02003796 while (*last) {
3797 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003798
3799 if (curpeers->state == PR_STSTOPPED) {
3800 /* the "disabled" keyword was present */
3801 if (curpeers->peers_fe)
3802 stop_proxy(curpeers->peers_fe);
3803 curpeers->peers_fe = NULL;
3804 }
3805 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003806 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
3807 curpeers->id, localpeer);
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003808 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02003809 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02003810 /* either it's totally stopped or too much used */
3811 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003812 ha_alert("Peers section '%s': peers referenced by sections "
3813 "running in different processes (%d different ones). "
3814 "Check global.nbproc and all tables' bind-process "
3815 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02003816 cfgerr++;
3817 }
3818 stop_proxy(curpeers->peers_fe);
3819 curpeers->peers_fe = NULL;
3820 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003821 else {
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003822 p = curpeers->remote;
3823 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01003824 if (p->srv) {
3825 if (p->srv->use_ssl && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3826 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
3827 }
3828 else if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
3829 struct list *l;
3830 struct bind_conf *bind_conf;
3831
3832 l = &curpeers->peers_fe->conf.bind;
3833 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
3834 if (bind_conf->xprt->prepare_bind_conf &&
3835 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
3836 cfgerr++;
3837 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02003838 p = p->next;
3839 }
Willy Tarreaud9443442018-10-15 11:18:03 +02003840 if (!peers_init_sync(curpeers)) {
3841 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
3842 curpeers->id);
3843 cfgerr++;
3844 break;
3845 }
Willy Tarreau122541c2011-09-07 21:24:49 +02003846 last = &curpeers->next;
3847 continue;
3848 }
3849
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003850 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02003851 p = curpeers->remote;
3852 while (p) {
3853 pb = p->next;
3854 free(p->id);
3855 free(p);
3856 p = pb;
3857 }
3858
3859 /* Destroy and unlink this curpeers section.
3860 * Note: curpeers is backed up into *last.
3861 */
3862 free(curpeers->id);
3863 curpeers = curpeers->next;
3864 free(*last);
3865 *last = curpeers;
3866 }
3867 }
3868
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003869 /* initialize stick-tables on backend capable proxies. This must not
3870 * be done earlier because the data size may be discovered while parsing
3871 * other proxies.
3872 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003873 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003874 if (curproxy->state == PR_STSTOPPED)
3875 continue;
3876
3877 if (!stktable_init(&curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003878 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02003879 cfgerr++;
3880 }
3881 }
3882
Simon Horman0d16a402015-01-30 11:22:58 +09003883 if (mailers) {
3884 struct mailers *curmailers = mailers, **last;
3885 struct mailer *m, *mb;
3886
3887 /* Remove all mailers sections which don't have a valid listener.
3888 * This can happen when a mailers section is never referenced.
3889 */
3890 last = &mailers;
3891 while (*last) {
3892 curmailers = *last;
3893 if (curmailers->users) {
3894 last = &curmailers->next;
3895 continue;
3896 }
3897
Christopher Faulet767a84b2017-11-24 16:50:31 +01003898 ha_warning("Removing incomplete section 'mailers %s'.\n",
3899 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09003900
3901 m = curmailers->mailer_list;
3902 while (m) {
3903 mb = m->next;
3904 free(m->id);
3905 free(m);
3906 m = mb;
3907 }
3908
3909 /* Destroy and unlink this curmailers section.
3910 * Note: curmailers is backed up into *last.
3911 */
3912 free(curmailers->id);
3913 curmailers = curmailers->next;
3914 free(*last);
3915 *last = curmailers;
3916 }
3917 }
3918
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003919 /* Update server_state_file_name to backend name if backend is supposed to use
3920 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003921 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003922 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
3923 curproxy->server_state_file_name == NULL)
3924 curproxy->server_state_file_name = strdup(curproxy->id);
3925 }
3926
Willy Tarreaubafbe012017-11-24 17:34:44 +01003927 pool_head_hdr_idx = create_pool("hdr_idx",
Willy Tarreauac1932d2011-10-24 19:14:41 +02003928 global.tune.max_http_hdr * sizeof(struct hdr_idx_elem),
Willy Tarreau34eb6712011-10-24 18:15:04 +02003929 MEM_F_SHARED);
3930
Ben Draut054fbee2018-04-13 15:43:04 -06003931 list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
3932 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
3933 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
3934 curr_resolvers->id, curr_resolvers->conf.file,
3935 curr_resolvers->conf.line);
3936 err_code |= ERR_WARN;
3937 }
3938 }
3939
William Lallemand48b4bb42017-10-23 14:36:34 +02003940 list_for_each_entry(postparser, &postparsers, list) {
3941 if (postparser->func)
3942 cfgerr += postparser->func();
3943 }
3944
Willy Tarreaubb925012009-07-23 13:36:36 +02003945 if (cfgerr > 0)
3946 err_code |= ERR_ALERT | ERR_FATAL;
3947 out:
3948 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02003949}
3950
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003951/*
3952 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
3953 * parsing sessions.
3954 */
3955void cfg_register_keywords(struct cfg_kw_list *kwl)
3956{
3957 LIST_ADDQ(&cfg_keywords.list, &kwl->list);
3958}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003959
Willy Tarreau5b2c3362008-07-09 19:39:06 +02003960/*
3961 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
3962 */
3963void cfg_unregister_keywords(struct cfg_kw_list *kwl)
3964{
3965 LIST_DEL(&kwl->list);
3966 LIST_INIT(&kwl->list);
3967}
Willy Tarreaubaaee002006-06-26 02:48:02 +02003968
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003969/* this function register new section in the haproxy configuration file.
3970 * <section_name> is the name of this new section and <section_parser>
3971 * is the called parser. If two section declaration have the same name,
3972 * only the first declared is used.
3973 */
3974int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02003975 int (*section_parser)(const char *, int, char **, int),
3976 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003977{
3978 struct cfg_section *cs;
3979
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003980 list_for_each_entry(cs, &sections, list) {
3981 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003982 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02003983 return 0;
3984 }
3985 }
3986
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003987 cs = calloc(1, sizeof(*cs));
3988 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003989 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003990 return 0;
3991 }
3992
3993 cs->section_name = section_name;
3994 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02003995 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01003996
3997 LIST_ADDQ(&sections, &cs->list);
3998
3999 return 1;
4000}
4001
William Lallemand48b4bb42017-10-23 14:36:34 +02004002/* this function register a new function which will be called once the haproxy
4003 * configuration file has been parsed. It's useful to check dependencies
4004 * between sections or to resolve items once everything is parsed.
4005 */
4006int cfg_register_postparser(char *name, int (*func)())
4007{
4008 struct cfg_postparser *cp;
4009
4010 cp = calloc(1, sizeof(*cp));
4011 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004012 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004013 return 0;
4014 }
4015 cp->name = name;
4016 cp->func = func;
4017
4018 LIST_ADDQ(&postparsers, &cp->list);
4019
4020 return 1;
4021}
4022
Willy Tarreaubaaee002006-06-26 02:48:02 +02004023/*
David Carlier845efb52015-09-25 11:49:18 +01004024 * free all config section entries
4025 */
4026void cfg_unregister_sections(void)
4027{
4028 struct cfg_section *cs, *ics;
4029
4030 list_for_each_entry_safe(cs, ics, &sections, list) {
4031 LIST_DEL(&cs->list);
4032 free(cs);
4033 }
4034}
4035
Christopher Faulet7110b402016-10-26 11:09:44 +02004036void cfg_backup_sections(struct list *backup_sections)
4037{
4038 struct cfg_section *cs, *ics;
4039
4040 list_for_each_entry_safe(cs, ics, &sections, list) {
4041 LIST_DEL(&cs->list);
4042 LIST_ADDQ(backup_sections, &cs->list);
4043 }
4044}
4045
4046void cfg_restore_sections(struct list *backup_sections)
4047{
4048 struct cfg_section *cs, *ics;
4049
4050 list_for_each_entry_safe(cs, ics, backup_sections, list) {
4051 LIST_DEL(&cs->list);
4052 LIST_ADDQ(&sections, &cs->list);
4053 }
4054}
4055
Willy Tarreaue6552512018-11-26 11:33:13 +01004056/* these are the config sections handled by default */
4057REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4058REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4059REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4060REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4061REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4062REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4063REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4064REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4065REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
4066REGISTER_CONFIG_SECTION("resolvers", cfg_parse_resolvers, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004067
David Carlier845efb52015-09-25 11:49:18 +01004068/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004069 * Local variables:
4070 * c-indent-level: 8
4071 * c-basic-offset: 8
4072 * End:
4073 */