blob: 8132e47e8b976f131ef674b7b5edaf4c84aa5526 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * Configuration parser
3 *
Willy Tarreauff011f22011-01-06 17:51:27 +01004 * Copyright 2000-2011 Willy Tarreau <w@1wt.eu>
Willy Tarreaubaaee002006-06-26 02:48:02 +02005 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
Willy Tarreaue5733232019-05-22 19:24:06 +020013#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +020014/* This is to have crypt() defined on Linux */
15#define _GNU_SOURCE
16
Willy Tarreaue5733232019-05-22 19:24:06 +020017#ifdef USE_CRYPT_H
Cyril Bonté1a0191d2014-08-29 20:20:02 +020018/* some platforms such as Solaris need this */
19#include <crypt.h>
20#endif
Willy Tarreaue5733232019-05-22 19:24:06 +020021#endif /* USE_LIBCRYPT */
Cyril Bonté1a0191d2014-08-29 20:20:02 +020022
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +010023#include <dirent.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020024#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <netdb.h>
28#include <ctype.h>
Willy Tarreau95c20ac2007-03-25 15:39:23 +020029#include <pwd.h>
30#include <grp.h>
Willy Tarreau0b4ed902007-03-26 00:18:40 +020031#include <errno.h>
Willy Tarreau3f49b302007-06-11 00:29:26 +020032#include <sys/types.h>
33#include <sys/stat.h>
34#include <fcntl.h>
35#include <unistd.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020036
Willy Tarreaudcc048a2020-06-04 19:11:43 +020037#include <haproxy/acl.h>
Christopher Faulet42c6cf92021-03-25 17:19:04 +010038#include <haproxy/action.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020039#include <haproxy/api.h>
Willy Tarreau732525f2021-05-06 15:49:04 +020040#include <haproxy/arg.h>
Willy Tarreauac13aea2020-06-04 10:36:03 +020041#include <haproxy/auth.h>
Willy Tarreau49801602020-06-04 22:50:02 +020042#include <haproxy/backend.h>
Willy Tarreau278161c2020-06-04 11:18:28 +020043#include <haproxy/capture.h>
Willy Tarreau6be78492020-06-05 00:00:29 +020044#include <haproxy/cfgparse.h>
Willy Tarreauf1d32c42020-06-04 21:07:02 +020045#include <haproxy/channel.h>
Willy Tarreau4aa573d2020-06-04 18:21:56 +020046#include <haproxy/check.h>
Willy Tarreauc13ed532020-06-02 10:22:45 +020047#include <haproxy/chunk.h>
Amaury Denoyellea6f9c5d2021-04-23 16:58:08 +020048#ifdef USE_CPU_AFFINITY
Amaury Denoyellec90932b2021-04-14 16:16:03 +020049#include <haproxy/cpuset.h>
Amaury Denoyellea6f9c5d2021-04-23 16:58:08 +020050#endif
Willy Tarreau7ea393d2020-06-04 18:02:10 +020051#include <haproxy/connection.h>
Willy Tarreau8d366972020-05-27 16:10:29 +020052#include <haproxy/errors.h>
Willy Tarreauc7babd82020-06-04 21:29:29 +020053#include <haproxy/filters.h>
Willy Tarreau762d7a52020-06-04 11:23:07 +020054#include <haproxy/frontend.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020055#include <haproxy/global.h>
Willy Tarreauc2b1ff02020-06-04 21:21:03 +020056#include <haproxy/http_ana.h>
Willy Tarreauc761f842020-06-04 11:40:28 +020057#include <haproxy/http_rules.h>
Willy Tarreaufbe8da32020-06-04 14:34:27 +020058#include <haproxy/lb_chash.h>
Willy Tarreaub5fc3bf2020-06-04 14:37:38 +020059#include <haproxy/lb_fas.h>
Willy Tarreau02549412020-06-04 14:41:04 +020060#include <haproxy/lb_fwlc.h>
Willy Tarreau546ba422020-06-04 14:45:03 +020061#include <haproxy/lb_fwrr.h>
Willy Tarreau28671592020-06-04 20:22:59 +020062#include <haproxy/lb_map.h>
Willy Tarreau213e9902020-06-04 14:58:24 +020063#include <haproxy/listener.h>
Willy Tarreauaeed4a82020-06-04 22:01:04 +020064#include <haproxy/log.h>
Willy Tarreaucee013e2020-06-05 11:40:38 +020065#include <haproxy/mailers.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020066#include <haproxy/namespace.h>
Willy Tarreau8efbdfb2020-06-04 11:29:21 +020067#include <haproxy/obj_type-t.h>
Willy Tarreau3c2a7c22020-06-04 18:38:21 +020068#include <haproxy/peers-t.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020069#include <haproxy/peers.h>
Willy Tarreaud0ef4392020-06-02 09:38:52 +020070#include <haproxy/pool.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020071#include <haproxy/protocol.h>
Willy Tarreaua264d962020-06-04 22:29:18 +020072#include <haproxy/proxy.h>
Emeric Brunc9437992021-02-12 19:42:55 +010073#include <haproxy/resolvers.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020074#include <haproxy/sample.h>
75#include <haproxy/server.h>
Willy Tarreau48d25b32020-06-04 18:58:52 +020076#include <haproxy/session.h>
Willy Tarreau2eec9b52020-06-04 19:58:55 +020077#include <haproxy/stats-t.h>
Willy Tarreau872f2ea2020-06-04 18:46:44 +020078#include <haproxy/stick_table.h>
Willy Tarreaudfd3de82020-06-04 23:46:14 +020079#include <haproxy/stream.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020080#include <haproxy/task.h>
Willy Tarreau8b550af2020-06-04 17:42:48 +020081#include <haproxy/tcp_rules.h>
Willy Tarreaub2551052020-06-09 09:07:15 +020082#include <haproxy/thread.h>
83#include <haproxy/time.h>
84#include <haproxy/tools.h>
85#include <haproxy/uri_auth-t.h>
Frédéric Lécaille884f2e92020-11-23 14:23:21 +010086#include <haproxy/xprt_quic.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020087
88
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +010089/* Used to chain configuration sections definitions. This list
90 * stores struct cfg_section
91 */
92struct list sections = LIST_HEAD_INIT(sections);
93
William Lallemand48b4bb42017-10-23 14:36:34 +020094struct list postparsers = LIST_HEAD_INIT(postparsers);
95
Eric Salama1b8dacc2021-03-16 15:12:17 +010096extern struct proxy *mworker_proxy;
97
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +010098char *cursection = NULL;
Willy Tarreauc8d5b952019-02-27 17:25:52 +010099int cfg_maxpconn = 0; /* # of simultaneous connections per proxy (-N) */
Willy Tarreau5af24ef2009-03-15 15:23:16 +0100100int cfg_maxconn = 0; /* # of simultaneous connections, (-n) */
Christopher Faulet79bdef32016-11-04 22:36:15 +0100101char *cfg_scope = NULL; /* the current scope during the configuration parsing */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200102
Willy Tarreau8a022d52021-04-27 20:29:11 +0200103/* how to handle default paths */
104static enum default_path_mode {
105 DEFAULT_PATH_CURRENT = 0, /* "current": paths are relative to CWD (this is the default) */
106 DEFAULT_PATH_CONFIG, /* "config": paths are relative to config file */
107 DEFAULT_PATH_PARENT, /* "parent": paths are relative to config file's ".." */
108 DEFAULT_PATH_ORIGIN, /* "origin": paths are relative to default_path_origin */
109} default_path_mode;
110
111static char initial_cwd[PATH_MAX];
112static char current_cwd[PATH_MAX];
113
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200114/* List head of all known configuration keywords */
Willy Tarreau36b9e222018-11-11 15:19:52 +0100115struct cfg_kw_list cfg_keywords = {
Willy Tarreau5b2c3362008-07-09 19:39:06 +0200116 .list = LIST_HEAD_INIT(cfg_keywords.list)
117};
118
Willy Tarreau4b103022021-02-12 17:59:10 +0100119/* nested if/elif/else/endif block states */
120enum nested_cond_state {
121 NESTED_COND_IF_TAKE, // "if" with a true condition
122 NESTED_COND_IF_DROP, // "if" with a false condition
123 NESTED_COND_IF_SKIP, // "if" masked by an outer false condition
124
125 NESTED_COND_ELIF_TAKE, // "elif" with a true condition from a false one
126 NESTED_COND_ELIF_DROP, // "elif" with a false condition from a false one
127 NESTED_COND_ELIF_SKIP, // "elif" masked by an outer false condition or a previously taken if
128
129 NESTED_COND_ELSE_TAKE, // taken "else" after an if false condition
130 NESTED_COND_ELSE_DROP, // "else" masked by outer false condition or an if true condition
131};
132
133/* 100 levels of nested conditions should already be sufficient */
134#define MAXNESTEDCONDS 100
135
Willy Tarreau732525f2021-05-06 15:49:04 +0200136/* supported conditional predicates for .if/.elif */
137enum cond_predicate {
138 CFG_PRED_NONE, // none
Willy Tarreau42ed14b2021-05-06 15:55:14 +0200139 CFG_PRED_DEFINED, // "defined"
Willy Tarreau58ca7062021-05-06 16:34:23 +0200140 CFG_PRED_FEATURE, // "feature"
Willy Tarreau6492e872021-05-06 16:10:09 +0200141 CFG_PRED_STREQ, // "streq"
142 CFG_PRED_STRNEQ, // "strneq"
Willy Tarreau0b7c78a2021-05-06 16:53:26 +0200143 CFG_PRED_VERSION_ATLEAST, // "version_atleast"
144 CFG_PRED_VERSION_BEFORE, // "version_before"
Willy Tarreau732525f2021-05-06 15:49:04 +0200145};
146
147struct cond_pred_kw {
148 const char *word; // NULL marks the end of the list
149 enum cond_predicate prd; // one of the CFG_PRED_* above
150 uint64_t arg_mask; // mask of supported arguments (strings only)
151};
152
153/* supported condition predicates */
154const struct cond_pred_kw cond_predicates[] = {
Willy Tarreau42ed14b2021-05-06 15:55:14 +0200155 { "defined", CFG_PRED_DEFINED, ARG1(1, STR) },
Willy Tarreau58ca7062021-05-06 16:34:23 +0200156 { "feature", CFG_PRED_FEATURE, ARG1(1, STR) },
Willy Tarreau6492e872021-05-06 16:10:09 +0200157 { "streq", CFG_PRED_STREQ, ARG2(2, STR, STR) },
158 { "strneq", CFG_PRED_STRNEQ, ARG2(2, STR, STR) },
Willy Tarreau0b7c78a2021-05-06 16:53:26 +0200159 { "version_atleast", CFG_PRED_VERSION_ATLEAST, ARG1(1, STR) },
160 { "version_before", CFG_PRED_VERSION_BEFORE, ARG1(1, STR) },
Willy Tarreau732525f2021-05-06 15:49:04 +0200161 { NULL, CFG_PRED_NONE, 0 }
162};
163
Willy Tarreaubaaee002006-06-26 02:48:02 +0200164/*
165 * converts <str> to a list of listeners which are dynamically allocated.
166 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
167 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
168 * - <port> is a numerical port from 1 to 65535 ;
169 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
170 * This can be repeated as many times as necessary, separated by a coma.
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200171 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
172 * not NULL, it must be a valid pointer to either NULL or a freeable area that
173 * will be replaced with an error message.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200174 */
Willy Tarreau4fbb2282012-09-20 20:01:39 +0200175int 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 +0200176{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200177 struct protocol *proto;
Willy Tarreau2dff0c22011-03-04 15:43:13 +0100178 char *next, *dupstr;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200179 int port, end;
180
181 next = dupstr = strdup(str);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200182
Willy Tarreaubaaee002006-06-26 02:48:02 +0200183 while (next && *next) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200184 struct sockaddr_storage *ss2;
Willy Tarreau40aa0702013-03-10 23:51:38 +0100185 int fd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200186
187 str = next;
188 /* 1) look for the end of the first address */
Krzysztof Piotr Oledzki52d522b2009-01-27 16:57:08 +0100189 if ((next = strchr(str, ',')) != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200190 *next++ = 0;
191 }
192
Willy Tarreau5fc93282020-09-16 18:25:03 +0200193 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Eric Salama1b8dacc2021-03-16 15:12:17 +0100194 (curproxy == global.cli_fe || curproxy == mworker_proxy) ? NULL : global.unix_bind.prefix,
Willy Tarreau32819932020-09-04 15:53:16 +0200195 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
Willy Tarreau5e1779a2020-09-16 16:28:08 +0200196 PA_O_SOCKET_FD | PA_O_STREAM | PA_O_XPRT);
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100197 if (!ss2)
198 goto fail;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200199
Willy Tarreau12eb2a62013-03-06 15:45:03 +0100200 /* OK the address looks correct */
Frédéric Lécaille884f2e92020-11-23 14:23:21 +0100201
202#ifdef USE_QUIC
203 /* The transport layer automatically switches to QUIC when QUIC
204 * is selected, regardless of bind_conf settings. We then need
205 * to initialize QUIC params.
206 */
207 if (proto->sock_type == SOCK_DGRAM && proto->ctrl_type == SOCK_STREAM) {
208 bind_conf->xprt = xprt_get(XPRT_QUIC);
209 quic_transport_params_init(&bind_conf->quic_params, 1);
210 }
211#endif
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200212 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreau0de59fd2017-09-15 08:10:44 +0200213 memprintf(err, "%s for address '%s'.\n", *err, str);
214 goto fail;
215 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200216 } /* end while(next) */
217 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200218 return 1;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200219 fail:
220 free(dupstr);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +0200221 return 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200222}
223
William Lallemand6e62fb62015-04-28 16:55:23 +0200224/*
Willy Tarreauaa333122020-09-16 15:13:04 +0200225 * converts <str> to a list of datagram-oriented listeners which are dynamically
226 * allocated.
227 * The format is "{addr|'*'}:port[-end][,{addr|'*'}:port[-end]]*", where :
228 * - <addr> can be empty or "*" to indicate INADDR_ANY ;
229 * - <port> is a numerical port from 1 to 65535 ;
230 * - <end> indicates to use the range from <port> to <end> instead (inclusive).
231 * This can be repeated as many times as necessary, separated by a coma.
232 * Function returns 1 for success or 0 if error. In case of errors, if <err> is
233 * not NULL, it must be a valid pointer to either NULL or a freeable area that
234 * will be replaced with an error message.
235 */
236int str2receiver(char *str, struct proxy *curproxy, struct bind_conf *bind_conf, const char *file, int line, char **err)
237{
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200238 struct protocol *proto;
Willy Tarreauaa333122020-09-16 15:13:04 +0200239 char *next, *dupstr;
240 int port, end;
241
242 next = dupstr = strdup(str);
243
244 while (next && *next) {
245 struct sockaddr_storage *ss2;
246 int fd = -1;
247
248 str = next;
249 /* 1) look for the end of the first address */
250 if ((next = strchr(str, ',')) != NULL) {
251 *next++ = 0;
252 }
253
Willy Tarreau5fc93282020-09-16 18:25:03 +0200254 ss2 = str2sa_range(str, NULL, &port, &end, &fd, &proto, err,
Willy Tarreau4975d142021-03-13 11:00:33 +0100255 curproxy == global.cli_fe ? NULL : global.unix_bind.prefix,
Willy Tarreauaa333122020-09-16 15:13:04 +0200256 NULL, PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_PORT_RANGE |
257 PA_O_SOCKET_FD | PA_O_DGRAM | PA_O_XPRT);
258 if (!ss2)
259 goto fail;
260
261 /* OK the address looks correct */
Willy Tarreau9b3178d2020-09-16 17:58:55 +0200262 if (!create_listeners(bind_conf, ss2, port, end, fd, proto, err)) {
Willy Tarreauaa333122020-09-16 15:13:04 +0200263 memprintf(err, "%s for address '%s'.\n", *err, str);
264 goto fail;
265 }
266 } /* end while(next) */
267 free(dupstr);
268 return 1;
269 fail:
270 free(dupstr);
271 return 0;
272}
273
274/*
Willy Tarreau08138612021-05-08 19:58:37 +0200275 * Sends a warning if proxy <proxy> does not have at least one of the
276 * capabilities in <cap>. An optional <hint> may be added at the end
277 * of the warning to help the user. Returns 1 if a warning was emitted
278 * or 0 if the condition is valid.
279 */
280int warnifnotcap(struct proxy *proxy, int cap, const char *file, int line, const char *arg, const char *hint)
281{
282 char *msg;
283
284 switch (cap) {
285 case PR_CAP_BE: msg = "no backend"; break;
286 case PR_CAP_FE: msg = "no frontend"; break;
287 case PR_CAP_BE|PR_CAP_FE: msg = "neither frontend nor backend"; break;
288 default: msg = "not enough"; break;
289 }
290
291 if (!(proxy->cap & cap)) {
292 ha_warning("parsing [%s:%d] : '%s' ignored because %s '%s' has %s capability.%s\n",
293 file, line, arg, proxy_type_str(proxy), proxy->id, msg, hint ? hint : "");
294 return 1;
295 }
296 return 0;
297}
298
299/*
300 * Sends an alert if proxy <proxy> does not have at least one of the
301 * capabilities in <cap>. An optional <hint> may be added at the end
302 * of the alert to help the user. Returns 1 if an alert was emitted
303 * or 0 if the condition is valid.
304 */
305int failifnotcap(struct proxy *proxy, int cap, const char *file, int line, const char *arg, const char *hint)
306{
307 char *msg;
308
309 switch (cap) {
310 case PR_CAP_BE: msg = "no backend"; break;
311 case PR_CAP_FE: msg = "no frontend"; break;
312 case PR_CAP_BE|PR_CAP_FE: msg = "neither frontend nor backend"; break;
313 default: msg = "not enough"; break;
314 }
315
316 if (!(proxy->cap & cap)) {
317 ha_alert("parsing [%s:%d] : '%s' not allowed because %s '%s' has %s capability.%s\n",
318 file, line, arg, proxy_type_str(proxy), proxy->id, msg, hint ? hint : "");
319 return 1;
320 }
321 return 0;
322}
323
324/*
Willy Tarreauece9b072016-12-21 22:41:44 +0100325 * Report an error in <msg> when there are too many arguments. This version is
326 * intended to be used by keyword parsers so that the message will be included
327 * into the general error message. The index is the current keyword in args.
328 * Return 0 if the number of argument is correct, otherwise build a message and
329 * return 1. Fill err_code with an ERR_ALERT and an ERR_FATAL if not null. The
330 * message may also be null, it will simply not be produced (useful to check only).
331 * <msg> and <err_code> are only affected on error.
332 */
333int too_many_args_idx(int maxarg, int index, char **args, char **msg, int *err_code)
334{
335 int i;
336
337 if (!*args[index + maxarg + 1])
338 return 0;
339
340 if (msg) {
341 *msg = NULL;
342 memprintf(msg, "%s", args[0]);
343 for (i = 1; i <= index; i++)
344 memprintf(msg, "%s %s", *msg, args[i]);
345
346 memprintf(msg, "'%s' cannot handle unexpected argument '%s'.", *msg, args[index + maxarg + 1]);
347 }
348 if (err_code)
349 *err_code |= ERR_ALERT | ERR_FATAL;
350
351 return 1;
352}
353
354/*
355 * same as too_many_args_idx with a 0 index
356 */
357int too_many_args(int maxarg, char **args, char **msg, int *err_code)
358{
359 return too_many_args_idx(maxarg, 0, args, msg, err_code);
360}
361
362/*
William Lallemand6e62fb62015-04-28 16:55:23 +0200363 * Report a fatal Alert when there is too much arguments
364 * The index is the current keyword in args
365 * Return 0 if the number of argument is correct, otherwise emit an alert and return 1
366 * Fill err_code with an ERR_ALERT and an ERR_FATAL
367 */
368int alertif_too_many_args_idx(int maxarg, int index, const char *file, int linenum, char **args, int *err_code)
369{
370 char *kw = NULL;
371 int i;
372
373 if (!*args[index + maxarg + 1])
374 return 0;
375
376 memprintf(&kw, "%s", args[0]);
377 for (i = 1; i <= index; i++) {
378 memprintf(&kw, "%s %s", kw, args[i]);
379 }
380
Christopher Faulet767a84b2017-11-24 16:50:31 +0100381 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 +0200382 free(kw);
383 *err_code |= ERR_ALERT | ERR_FATAL;
384 return 1;
385}
386
387/*
388 * same as alertif_too_many_args_idx with a 0 index
389 */
390int alertif_too_many_args(int maxarg, const char *file, int linenum, char **args, int *err_code)
391{
392 return alertif_too_many_args_idx(maxarg, 0, file, linenum, args, err_code);
393}
394
Willy Tarreau61d18892009-03-31 10:49:21 +0200395
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100396/* Report it if a request ACL condition uses some keywords that are incompatible
397 * with the place where the ACL is used. It returns either 0 or ERR_WARN so that
398 * its result can be or'ed with err_code. Note that <cond> may be NULL and then
399 * will be ignored.
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100400 */
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +0100401int warnif_cond_conflicts(const struct acl_cond *cond, unsigned int where, const char *file, int line)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100402{
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100403 const struct acl *acl;
Willy Tarreau93fddf12013-03-31 22:59:32 +0200404 const char *kw;
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100405
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100406 if (!cond)
Willy Tarreauf1e98b82010-01-28 17:59:39 +0100407 return 0;
408
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100409 acl = acl_cond_conflicts(cond, where);
410 if (acl) {
411 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100412 ha_warning("parsing [%s:%d] : acl '%s' will never match because it only involves keywords that are incompatible with '%s'\n",
413 file, line, acl->name, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100414 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100415 ha_warning("parsing [%s:%d] : anonymous acl will never match because it uses keyword '%s' which is incompatible with '%s'\n",
416 file, line, LIST_ELEM(acl->expr.n, struct acl_expr *, list)->kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100417 return ERR_WARN;
418 }
419 if (!acl_cond_kw_conflicts(cond, where, &acl, &kw))
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100420 return 0;
421
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100422 if (acl->name && *acl->name)
Christopher Faulet767a84b2017-11-24 16:50:31 +0100423 ha_warning("parsing [%s:%d] : acl '%s' involves keywords '%s' which is incompatible with '%s'\n",
424 file, line, acl->name, kw, sample_ckp_names(where));
Willy Tarreaua91d0a52013-03-25 08:12:18 +0100425 else
Christopher Faulet767a84b2017-11-24 16:50:31 +0100426 ha_warning("parsing [%s:%d] : anonymous acl involves keyword '%s' which is incompatible with '%s'\n",
427 file, line, kw, sample_ckp_names(where));
Willy Tarreaufdb563c2010-01-31 15:43:27 +0100428 return ERR_WARN;
429}
430
Christopher Faulet581db2b2021-03-26 10:02:46 +0100431/* Report it if an ACL uses a L6 sample fetch from an HTTP proxy. It returns
432 * either 0 or ERR_WARN so that its result can be or'ed with err_code. Note that
433 * <cond> may be NULL and then will be ignored.
434*/
435int warnif_tcp_http_cond(const struct proxy *px, const struct acl_cond *cond)
436{
437 if (!cond || px->mode != PR_MODE_HTTP)
438 return 0;
439
440 if (cond->use & (SMP_USE_L6REQ|SMP_USE_L6RES)) {
441 ha_warning("Proxy '%s': L6 sample fetches ignored on HTTP proxies (declared at %s:%d).\n",
442 px->id, cond->file, cond->line);
443 return ERR_WARN;
444 }
445 return 0;
446}
447
Willy Tarreaue2afcc42021-03-12 09:08:04 +0100448/* try to find in <list> the word that looks closest to <word> by counting
449 * transitions between letters, digits and other characters. Will return the
450 * best matching word if found, otherwise NULL. An optional array of extra
451 * words to compare may be passed in <extra>, but it must then be terminated
452 * by a NULL entry. If unused it may be NULL.
453 */
454const char *cfg_find_best_match(const char *word, const struct list *list, int section, const char **extra)
455{
456 uint8_t word_sig[1024]; // 0..25=letter, 26=digit, 27=other, 28=begin, 29=end
457 uint8_t list_sig[1024];
458 const struct cfg_kw_list *kwl;
459 int index;
460 const char *best_ptr = NULL;
461 int dist, best_dist = INT_MAX;
462
463 make_word_fingerprint(word_sig, word);
464 list_for_each_entry(kwl, list, list) {
465 for (index = 0; kwl->kw[index].kw != NULL; index++) {
466 if (kwl->kw[index].section != section)
467 continue;
468
469 make_word_fingerprint(list_sig, kwl->kw[index].kw);
470 dist = word_fingerprint_distance(word_sig, list_sig);
471 if (dist < best_dist) {
472 best_dist = dist;
473 best_ptr = kwl->kw[index].kw;
474 }
475 }
476 }
477
478 while (extra && *extra) {
479 make_word_fingerprint(list_sig, *extra);
480 dist = word_fingerprint_distance(word_sig, list_sig);
481 if (dist < best_dist) {
482 best_dist = dist;
483 best_ptr = *extra;
484 }
485 extra++;
486 }
487
488 if (best_dist > 2 * strlen(word) || (best_ptr && best_dist > 2 * strlen(best_ptr)))
489 best_ptr = NULL;
490 return best_ptr;
491}
492
Christopher Faulet62519022017-10-16 15:49:32 +0200493/* Parse a string representing a process number or a set of processes. It must
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100494 * be "all", "odd", "even", a number between 1 and <max> or a range with
Christopher Faulet5ab51772017-11-22 11:21:58 +0100495 * two such numbers delimited by a dash ('-'). On success, it returns
496 * 0. otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200497 *
498 * Note: this function can also be used to parse a thread number or a set of
499 * threads.
500 */
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100501int parse_process_number(const char *arg, unsigned long *proc, int max, int *autoinc, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200502{
Christopher Faulet26028f62017-11-22 15:01:51 +0100503 if (autoinc) {
504 *autoinc = 0;
505 if (strncmp(arg, "auto:", 5) == 0) {
506 arg += 5;
507 *autoinc = 1;
508 }
509 }
510
Christopher Faulet62519022017-10-16 15:49:32 +0200511 if (strcmp(arg, "all") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100512 *proc |= ~0UL;
Christopher Faulet62519022017-10-16 15:49:32 +0200513 else if (strcmp(arg, "odd") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100514 *proc |= ~0UL/3UL; /* 0x555....555 */
Christopher Faulet62519022017-10-16 15:49:32 +0200515 else if (strcmp(arg, "even") == 0)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100516 *proc |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
Christopher Faulet62519022017-10-16 15:49:32 +0200517 else {
Christopher Faulet18cca782019-02-07 16:29:41 +0100518 const char *p, *dash = NULL;
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100519 unsigned int low, high;
520
Christopher Faulet18cca782019-02-07 16:29:41 +0100521 for (p = arg; *p; p++) {
522 if (*p == '-' && !dash)
523 dash = p;
Willy Tarreau90807112020-02-25 08:16:33 +0100524 else if (!isdigit((unsigned char)*p)) {
Christopher Faulet18cca782019-02-07 16:29:41 +0100525 memprintf(err, "'%s' is not a valid number/range.", arg);
526 return -1;
527 }
Christopher Faulet5ab51772017-11-22 11:21:58 +0100528 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100529
530 low = high = str2uic(arg);
Christopher Faulet18cca782019-02-07 16:29:41 +0100531 if (dash)
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100532 high = ((!*(dash+1)) ? max : str2uic(dash + 1));
Christopher Fauletff4121f2017-11-22 16:38:49 +0100533
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100534 if (high < low) {
535 unsigned int swap = low;
536 low = high;
537 high = swap;
538 }
539
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100540 if (low < 1 || low > max || high > max) {
Christopher Fauletcb6a9452017-11-22 16:50:41 +0100541 memprintf(err, "'%s' is not a valid number/range."
542 " It supports numbers from 1 to %d.\n",
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100543 arg, max);
Christopher Faulet5ab51772017-11-22 11:21:58 +0100544 return 1;
545 }
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100546
547 for (;low <= high; low++)
Christopher Faulet5ab51772017-11-22 11:21:58 +0100548 *proc |= 1UL << (low-1);
Christopher Faulet62519022017-10-16 15:49:32 +0200549 }
Willy Tarreauc9a82e42019-01-26 13:25:14 +0100550 *proc &= ~0UL >> (LONGBITS - max);
Christopher Faulet1dcb9cb2017-11-22 10:24:40 +0100551
Christopher Faulet5ab51772017-11-22 11:21:58 +0100552 return 0;
Christopher Faulet62519022017-10-16 15:49:32 +0200553}
554
David Carlier7e351ee2017-12-01 09:14:02 +0000555#ifdef USE_CPU_AFFINITY
Christopher Faulet62519022017-10-16 15:49:32 +0200556/* Parse cpu sets. Each CPU set is either a unique number between 0 and
Amaury Denoyellec90932b2021-04-14 16:16:03 +0200557 * ha_cpuset_size() - 1 or a range with two such numbers delimited by a dash
Amaury Denoyellea8082352021-04-06 16:46:15 +0200558 * ('-'). If <comma_allowed> is set, each CPU set can be a list of unique
559 * numbers or ranges separated by a comma. It is also possible to specify
560 * multiple cpu numbers or ranges in distinct argument in <args>. On success,
561 * it returns 0, otherwise it returns 1 with an error message in <err>.
Christopher Faulet62519022017-10-16 15:49:32 +0200562 */
Amaury Denoyellea8082352021-04-06 16:46:15 +0200563unsigned long parse_cpu_set(const char **args, struct hap_cpuset *cpu_set,
564 int comma_allowed, char **err)
Christopher Faulet62519022017-10-16 15:49:32 +0200565{
566 int cur_arg = 0;
Amaury Denoyellea8082352021-04-06 16:46:15 +0200567 const char *arg;
Christopher Faulet62519022017-10-16 15:49:32 +0200568
Amaury Denoyellec90932b2021-04-14 16:16:03 +0200569 ha_cpuset_zero(cpu_set);
570
Amaury Denoyellea8082352021-04-06 16:46:15 +0200571 arg = args[cur_arg];
572 while (*arg) {
573 const char *dash, *comma;
Christopher Faulet62519022017-10-16 15:49:32 +0200574 unsigned int low, high;
575
Willy Tarreau90807112020-02-25 08:16:33 +0100576 if (!isdigit((unsigned char)*args[cur_arg])) {
Amaury Denoyellea8082352021-04-06 16:46:15 +0200577 memprintf(err, "'%s' is not a CPU range.", arg);
Christopher Faulet62519022017-10-16 15:49:32 +0200578 return -1;
579 }
580
Amaury Denoyellea8082352021-04-06 16:46:15 +0200581 low = high = str2uic(arg);
582
583 comma = comma_allowed ? strchr(arg, ',') : NULL;
584 dash = strchr(arg, '-');
585
586 if (dash && (!comma || dash < comma))
Amaury Denoyellec90932b2021-04-14 16:16:03 +0200587 high = *(dash+1) ? str2uic(dash + 1) : ha_cpuset_size() - 1;
Christopher Faulet62519022017-10-16 15:49:32 +0200588
589 if (high < low) {
590 unsigned int swap = low;
591 low = high;
592 high = swap;
593 }
594
Amaury Denoyellec90932b2021-04-14 16:16:03 +0200595 if (high >= ha_cpuset_size()) {
596 memprintf(err, "supports CPU numbers from 0 to %d.",
597 ha_cpuset_size() - 1);
Christopher Faulet62519022017-10-16 15:49:32 +0200598 return 1;
599 }
600
601 while (low <= high)
Amaury Denoyellec90932b2021-04-14 16:16:03 +0200602 ha_cpuset_set(cpu_set, low++);
Christopher Faulet62519022017-10-16 15:49:32 +0200603
Amaury Denoyellea8082352021-04-06 16:46:15 +0200604 /* if a comma is present, parse the rest of the arg, else
605 * skip to the next arg */
606 arg = comma ? comma + 1 : args[++cur_arg];
Christopher Faulet62519022017-10-16 15:49:32 +0200607 }
608 return 0;
609}
David Carlier7e351ee2017-12-01 09:14:02 +0000610#endif
611
Frédéric Lécaille18251032019-01-11 11:07:15 +0100612/* Allocate and initialize the frontend of a "peers" section found in
613 * file <file> at line <linenum> with <id> as ID.
614 * Return 0 if succeeded, -1 if not.
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200615 * Note that this function may be called from "default-server"
616 * or "peer" lines.
Frédéric Lécaille18251032019-01-11 11:07:15 +0100617 */
618static int init_peers_frontend(const char *file, int linenum,
619 const char *id, struct peers *peers)
620{
621 struct proxy *p;
622
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200623 if (peers->peers_fe) {
624 p = peers->peers_fe;
625 goto out;
626 }
Frédéric Lécaille9492c4e2019-01-11 11:47:12 +0100627
Frédéric Lécaille18251032019-01-11 11:07:15 +0100628 p = calloc(1, sizeof *p);
629 if (!p) {
630 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
631 return -1;
632 }
633
634 init_new_proxy(p);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200635 peers_setup_frontend(p);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100636 p->parent = peers;
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200637 /* Finally store this frontend. */
638 peers->peers_fe = p;
639
640 out:
641 if (id && !p->id)
642 p->id = strdup(id);
Frédéric Lécaille1055e682018-04-26 14:35:21 +0200643 free(p->conf.file);
Frédéric Lécaille18251032019-01-11 11:07:15 +0100644 p->conf.args.file = p->conf.file = strdup(file);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100645 if (linenum != -1)
646 p->conf.args.line = p->conf.line = linenum;
Frédéric Lécaille18251032019-01-11 11:07:15 +0100647
648 return 0;
649}
Willy Tarreauade5ec42010-01-28 19:33:49 +0100650
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100651/* Only change ->file, ->line and ->arg struct bind_conf member values
652 * if already present.
653 */
654static struct bind_conf *bind_conf_uniq_alloc(struct proxy *p,
655 const char *file, int line,
656 const char *arg, struct xprt_ops *xprt)
657{
658 struct bind_conf *bind_conf;
659
660 if (!LIST_ISEMPTY(&p->conf.bind)) {
661 bind_conf = LIST_ELEM((&p->conf.bind)->n, typeof(bind_conf), by_fe);
662 free(bind_conf->file);
663 bind_conf->file = strdup(file);
664 bind_conf->line = line;
665 if (arg) {
666 free(bind_conf->arg);
667 bind_conf->arg = strdup(arg);
668 }
669 }
670 else {
671 bind_conf = bind_conf_alloc(p, file, line, arg, xprt);
672 }
673
674 return bind_conf;
675}
676
677/*
678 * Allocate a new struct peer parsed at line <linenum> in file <file>
679 * to be added to <peers>.
680 * Returns the new allocated structure if succeeded, NULL if not.
681 */
682static struct peer *cfg_peers_add_peer(struct peers *peers,
683 const char *file, int linenum,
684 const char *id, int local)
685{
686 struct peer *p;
687
688 p = calloc(1, sizeof *p);
689 if (!p) {
690 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
691 return NULL;
692 }
693
694 /* the peers are linked backwards first */
695 peers->count++;
696 p->next = peers->remote;
697 peers->remote = p;
698 p->conf.file = strdup(file);
699 p->conf.line = linenum;
700 p->last_change = now.tv_sec;
701 p->xprt = xprt_get(XPRT_RAW);
702 p->sock_init_arg = NULL;
703 HA_SPIN_INIT(&p->lock);
704 if (id)
705 p->id = strdup(id);
706 if (local) {
707 p->local = 1;
708 peers->local = p;
709 }
710
711 return p;
712}
713
Willy Tarreaubaaee002006-06-26 02:48:02 +0200714/*
William Lallemand51097192015-04-14 16:35:22 +0200715 * Parse a line in a <listen>, <frontend> or <backend> section.
Willy Tarreau93893792009-07-23 13:19:11 +0200716 * Returns the error code, 0 if OK, or any combination of :
717 * - ERR_ABORT: must abort ASAP
718 * - ERR_FATAL: we can continue parsing but not start the service
719 * - ERR_WARN: a warning has been emitted
720 * - ERR_ALERT: an alert has been emitted
721 * Only the two first ones can stop processing, the two others are just
722 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200723 */
Emeric Brun32da3c42010-09-23 18:39:19 +0200724int cfg_parse_peers(const char *file, int linenum, char **args, int kwm)
725{
726 static struct peers *curpeers = NULL;
727 struct peer *newpeer = NULL;
728 const char *err;
Willy Tarreau4348fad2012-09-20 16:48:07 +0200729 struct bind_conf *bind_conf;
730 struct listener *l;
Emeric Brun32da3c42010-09-23 18:39:19 +0200731 int err_code = 0;
Willy Tarreau902636f2013-03-10 19:44:48 +0100732 char *errmsg = NULL;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100733 static int bind_line, peer_line;
734
735 if (strcmp(args[0], "bind") == 0 || strcmp(args[0], "default-bind") == 0) {
736 int cur_arg;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100737 struct bind_conf *bind_conf;
738 struct bind_kw *kw;
Emeric Brun32da3c42010-09-23 18:39:19 +0200739
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100740 cur_arg = 1;
741
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200742 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
743 err_code |= ERR_ALERT | ERR_ABORT;
744 goto out;
745 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100746
747 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum,
748 NULL, xprt_get(XPRT_RAW));
749 if (*args[0] == 'b') {
750 struct listener *l;
751
752 if (peer_line) {
753 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
754 err_code |= ERR_ALERT | ERR_FATAL;
755 goto out;
756 }
757
758 if (!str2listener(args[1], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
759 if (errmsg && *errmsg) {
760 indent_msg(&errmsg, 2);
761 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
762 }
763 else
764 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
765 file, linenum, args[0], args[1], args[2]);
766 err_code |= ERR_FATAL;
767 goto out;
768 }
769 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
770 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100771 l->accept = session_accept_fd;
772 l->analysers |= curpeers->peers_fe->fe_req_ana;
773 l->default_target = curpeers->peers_fe->default_target;
774 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100775 global.maxsock++; /* for the listening socket */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100776
777 bind_line = 1;
778 if (cfg_peers->local) {
779 newpeer = cfg_peers->local;
780 }
781 else {
782 /* This peer is local.
783 * Note that we do not set the peer ID. This latter is initialized
784 * when parsing "peer" or "server" line.
785 */
786 newpeer = cfg_peers_add_peer(curpeers, file, linenum, NULL, 1);
787 if (!newpeer) {
788 err_code |= ERR_ALERT | ERR_ABORT;
789 goto out;
790 }
791 }
Willy Tarreau37159062020-08-27 07:48:42 +0200792 newpeer->addr = l->rx.addr;
Willy Tarreau5fc93282020-09-16 18:25:03 +0200793 newpeer->proto = l->rx.proto;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100794 cur_arg++;
795 }
796
797 while (*args[cur_arg] && (kw = bind_find_kw(args[cur_arg]))) {
798 int ret;
799
800 ret = kw->parse(args, cur_arg, curpeers->peers_fe, bind_conf, &errmsg);
801 err_code |= ret;
802 if (ret) {
803 if (errmsg && *errmsg) {
804 indent_msg(&errmsg, 2);
805 ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
806 }
807 else
808 ha_alert("parsing [%s:%d]: error encountered while processing '%s'\n",
809 file, linenum, args[cur_arg]);
810 if (ret & ERR_FATAL)
811 goto out;
812 }
813 cur_arg += 1 + kw->skip;
814 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100815 if (*args[cur_arg] != 0) {
Willy Tarreau433b05f2021-03-12 10:14:07 +0100816 const char *best = bind_find_best_kw(args[cur_arg]);
817 if (best)
818 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section; did you mean '%s' maybe ?\n",
819 file, linenum, args[cur_arg], cursection, best);
820 else
821 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section.\n",
822 file, linenum, args[cur_arg], cursection);
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100823 err_code |= ERR_ALERT | ERR_FATAL;
824 goto out;
825 }
826 }
827 else if (strcmp(args[0], "default-server") == 0) {
828 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
829 err_code |= ERR_ALERT | ERR_ABORT;
830 goto out;
831 }
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100832 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL,
833 SRV_PARSE_DEFAULT_SERVER|SRV_PARSE_IN_PEER_SECTION|SRV_PARSE_INITIAL_RESOLVE);
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200834 }
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100835 else if (strcmp(args[0], "log") == 0) {
836 if (init_peers_frontend(file, linenum, NULL, curpeers) != 0) {
837 err_code |= ERR_ALERT | ERR_ABORT;
838 goto out;
839 }
Emeric Brun9533a702021-04-02 10:13:43 +0200840 if (!parse_logsrv(args, &curpeers->peers_fe->logsrvs, (kwm == KWM_NO), file, linenum, &errmsg)) {
Frédéric Lécailleb6f759b2019-11-05 09:57:45 +0100841 ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
842 err_code |= ERR_ALERT | ERR_FATAL;
843 goto out;
844 }
845 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200846 else if (strcmp(args[0], "peers") == 0) { /* new peers section */
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100847 /* Initialize these static variables when entering a new "peers" section*/
848 bind_line = peer_line = 0;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100849 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100850 ha_alert("parsing [%s:%d] : missing name for peers section.\n", file, linenum);
Willy Tarreau54984722014-02-16 08:20:13 +0100851 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100852 goto out;
853 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200854
William Lallemand6e62fb62015-04-28 16:55:23 +0200855 if (alertif_too_many_args(1, file, linenum, args, &err_code))
856 goto out;
857
Emeric Brun32da3c42010-09-23 18:39:19 +0200858 err = invalid_char(args[1]);
859 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100860 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
861 file, linenum, *err, args[0], args[1]);
Willy Tarreau54984722014-02-16 08:20:13 +0100862 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreau0dbbf312013-03-05 11:31:55 +0100863 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200864 }
865
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200866 for (curpeers = cfg_peers; curpeers != NULL; curpeers = curpeers->next) {
Emeric Brun32da3c42010-09-23 18:39:19 +0200867 /*
868 * If there are two proxies with the same name only following
869 * combinations are allowed:
870 */
871 if (strcmp(curpeers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100872 ha_alert("Parsing [%s:%d]: peers section '%s' has the same name as another peers section declared at %s:%d.\n",
873 file, linenum, args[1], curpeers->conf.file, curpeers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +0200874 err_code |= ERR_ALERT | ERR_FATAL;
Emeric Brun32da3c42010-09-23 18:39:19 +0200875 }
876 }
877
Vincent Bernat02779b62016-04-03 13:48:43 +0200878 if ((curpeers = calloc(1, sizeof(*curpeers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +0100879 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Emeric Brun32da3c42010-09-23 18:39:19 +0200880 err_code |= ERR_ALERT | ERR_ABORT;
881 goto out;
882 }
883
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +0200884 curpeers->next = cfg_peers;
885 cfg_peers = curpeers;
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200886 curpeers->conf.file = strdup(file);
Emeric Brun32da3c42010-09-23 18:39:19 +0200887 curpeers->conf.line = linenum;
888 curpeers->last_change = now.tv_sec;
889 curpeers->id = strdup(args[1]);
Willy Tarreau1ad64ac2020-09-24 08:48:08 +0200890 curpeers->disabled = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200891 }
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200892 else if (strcmp(args[0], "peer") == 0 ||
893 strcmp(args[0], "server") == 0) { /* peer or server definition */
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100894 int local_peer, peer;
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100895 int parse_addr = 0;
Emeric Brun32da3c42010-09-23 18:39:19 +0200896
Frédéric Lécaille04636b72019-01-31 06:48:16 +0100897 peer = *args[0] == 'p';
Tim Duesterhuse5ff1412021-01-02 22:31:53 +0100898 local_peer = strcmp(args[1], localpeer) == 0;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100899 /* The local peer may have already partially been parsed on a "bind" line. */
900 if (*args[0] == 'p') {
901 if (bind_line) {
902 ha_alert("parsing [%s:%d] : mixing \"peer\" and \"bind\" line is forbidden\n", file, linenum);
903 err_code |= ERR_ALERT | ERR_FATAL;
904 goto out;
905 }
906 peer_line = 1;
907 }
908 if (cfg_peers->local && !cfg_peers->local->id && local_peer) {
909 /* The local peer has already been initialized on a "bind" line.
910 * Let's use it and store its ID.
911 */
912 newpeer = cfg_peers->local;
913 newpeer->id = strdup(localpeer);
914 }
915 else {
916 if (local_peer && cfg_peers->local) {
917 ha_alert("parsing [%s:%d] : '%s %s' : local peer name already referenced at %s:%d. %s\n",
918 file, linenum, args[0], args[1],
919 curpeers->peers_fe->conf.file, curpeers->peers_fe->conf.line, cfg_peers->local->id);
920 err_code |= ERR_FATAL;
921 goto out;
922 }
923 newpeer = cfg_peers_add_peer(curpeers, file, linenum, args[1], local_peer);
924 if (!newpeer) {
925 err_code |= ERR_ALERT | ERR_ABORT;
926 goto out;
927 }
928 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200929
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100930 /* Line number and peer ID are updated only if this peer is the local one. */
931 if (init_peers_frontend(file,
932 newpeer->local ? linenum: -1,
933 newpeer->local ? newpeer->id : NULL,
934 curpeers) != 0) {
Frédéric Lécaillec06b5d42018-04-26 10:06:41 +0200935 err_code |= ERR_ALERT | ERR_ABORT;
Willy Tarreaub36487e2013-03-10 18:37:42 +0100936 goto out;
937 }
Willy Tarreau2aa38802013-02-20 19:20:59 +0100938
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100939 /* This initializes curpeer->peers->peers_fe->srv.
940 * The server address is parsed only if we are parsing a "peer" line,
941 * or if we are parsing a "server" line and the current peer is not the local one.
942 */
Amaury Denoyelle30c05372021-03-08 16:36:46 +0100943 parse_addr = (peer || !local_peer) ? SRV_PARSE_PARSE_ADDR : 0;
944 err_code |= parse_server(file, linenum, args, curpeers->peers_fe, NULL,
945 SRV_PARSE_IN_PEER_SECTION|parse_addr|SRV_PARSE_INITIAL_RESOLVE);
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200946 if (!curpeers->peers_fe->srv) {
947 /* Remove the newly allocated peer. */
948 if (newpeer != curpeers->local) {
949 struct peer *p;
950
951 p = curpeers->remote;
952 curpeers->remote = curpeers->remote->next;
953 free(p->id);
954 free(p);
955 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200956 goto out;
Frédéric Lécaille8ba10fe2020-04-03 09:43:47 +0200957 }
Emeric Brun32da3c42010-09-23 18:39:19 +0200958
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100959 /* If the peer address has just been parsed, let's copy it to <newpeer>
960 * and initializes ->proto.
961 */
962 if (peer || !local_peer) {
963 newpeer->addr = curpeers->peers_fe->srv->addr;
964 newpeer->proto = protocol_by_family(newpeer->addr.ss_family);
965 }
966
Willy Tarreaua261e9b2016-12-22 20:44:00 +0100967 newpeer->xprt = xprt_get(XPRT_RAW);
Willy Tarreaud02394b2012-05-11 18:32:18 +0200968 newpeer->sock_init_arg = NULL;
Christopher Faulet2a944ee2017-11-07 10:42:54 +0100969 HA_SPIN_INIT(&newpeer->lock);
Willy Tarreau26d8c592012-05-07 18:12:14 +0200970
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +0100971 newpeer->srv = curpeers->peers_fe->srv;
972 if (!newpeer->local)
Frédéric Lécaille6617e762018-04-25 15:13:38 +0200973 goto out;
974
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100975 /* The lines above are reserved to "peer" lines. */
976 if (*args[0] == 's')
Frédéric Lécaille4ba51982018-04-25 15:32:18 +0200977 goto out;
Emeric Brun32da3c42010-09-23 18:39:19 +0200978
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100979 bind_conf = bind_conf_uniq_alloc(curpeers->peers_fe, file, linenum, args[2], xprt_get(XPRT_RAW));
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100980
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100981 if (!str2listener(args[2], curpeers->peers_fe, bind_conf, file, linenum, &errmsg)) {
982 if (errmsg && *errmsg) {
983 indent_msg(&errmsg, 2);
984 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Frédéric Lécaille16e49102019-01-11 11:27:16 +0100985 }
Frédéric Lécaille91694d52019-01-11 11:43:53 +0100986 else
987 ha_alert("parsing [%s:%d] : '%s %s' : error encountered while parsing listening address %s.\n",
988 file, linenum, args[0], args[1], args[2]);
989 err_code |= ERR_FATAL;
990 goto out;
991 }
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100992
993 l = LIST_ELEM(bind_conf->listeners.n, typeof(l), by_bind);
994 l->maxaccept = 1;
Frédéric Lécaille355b2032019-01-11 14:06:12 +0100995 l->accept = session_accept_fd;
996 l->analysers |= curpeers->peers_fe->fe_req_ana;
997 l->default_target = curpeers->peers_fe->default_target;
998 l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
Willy Tarreau18215cb2019-02-27 16:25:28 +0100999 global.maxsock++; /* for the listening socket */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001000 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001001 else if (strcmp(args[0], "table") == 0) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001002 struct stktable *t, *other;
1003 char *id;
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001004 size_t prefix_len;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001005
1006 /* Line number and peer ID are updated only if this peer is the local one. */
1007 if (init_peers_frontend(file, -1, NULL, curpeers) != 0) {
1008 err_code |= ERR_ALERT | ERR_ABORT;
1009 goto out;
1010 }
1011
1012 other = stktable_find_by_name(args[1]);
1013 if (other) {
1014 ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
1015 file, linenum, args[1],
1016 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
1017 other->proxy ? other->id : other->peers.p->id,
1018 other->conf.file, other->conf.line);
1019 err_code |= ERR_ALERT | ERR_FATAL;
1020 goto out;
1021 }
1022
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001023 /* Build the stick-table name, concatenating the "peers" section name
1024 * followed by a '/' character and the table name argument.
1025 */
1026 chunk_reset(&trash);
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +01001027 if (!chunk_strcpy(&trash, curpeers->id)) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001028 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
1029 file, linenum, args[0], args[1]);
1030 err_code |= ERR_ALERT | ERR_FATAL;
1031 goto out;
1032 }
1033
1034 prefix_len = trash.data;
Frédéric Lécaille7fcc24d2019-03-20 15:09:45 +01001035 if (!chunk_memcat(&trash, "/", 1) || !chunk_strcat(&trash, args[1])) {
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001036 ha_alert("parsing [%s:%d]: '%s %s' : stick-table name too long.\n",
1037 file, linenum, args[0], args[1]);
1038 err_code |= ERR_ALERT | ERR_FATAL;
1039 goto out;
1040 }
1041
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001042 t = calloc(1, sizeof *t);
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001043 id = strdup(trash.area);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001044 if (!t || !id) {
1045 ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
1046 file, linenum, args[0], args[1]);
Eric Salama1aab9112020-09-18 11:55:17 +02001047 free(t);
1048 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001049 err_code |= ERR_ALERT | ERR_FATAL;
1050 goto out;
1051 }
1052
Frédéric Lécaillec02766a2019-03-20 15:06:55 +01001053 err_code |= parse_stick_table(file, linenum, args, t, id, id + prefix_len, curpeers);
Eric Salama1aab9112020-09-18 11:55:17 +02001054 if (err_code & ERR_FATAL) {
1055 free(t);
1056 free(id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001057 goto out;
Eric Salama1aab9112020-09-18 11:55:17 +02001058 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01001059
1060 stktable_store_name(t);
1061 t->next = stktables_list;
1062 stktables_list = t;
1063 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001064 else if (strcmp(args[0], "disabled") == 0) { /* disables this peers section */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02001065 curpeers->disabled = 1;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02001066 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001067 else if (strcmp(args[0], "enabled") == 0) { /* enables this peers section (used to revert a disabled default) */
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02001068 curpeers->disabled = 0;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02001069 }
Emeric Brun32da3c42010-09-23 18:39:19 +02001070 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001071 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Emeric Brun32da3c42010-09-23 18:39:19 +02001072 err_code |= ERR_ALERT | ERR_FATAL;
1073 goto out;
1074 }
1075
1076out:
Willy Tarreau902636f2013-03-10 19:44:48 +01001077 free(errmsg);
Emeric Brun32da3c42010-09-23 18:39:19 +02001078 return err_code;
1079}
1080
Baptiste Assmann325137d2015-04-13 23:40:55 +02001081/*
William Lallemand51097192015-04-14 16:35:22 +02001082 * Parse a line in a <listen>, <frontend> or <backend> section.
Simon Horman0d16a402015-01-30 11:22:58 +09001083 * Returns the error code, 0 if OK, or any combination of :
1084 * - ERR_ABORT: must abort ASAP
1085 * - ERR_FATAL: we can continue parsing but not start the service
1086 * - ERR_WARN: a warning has been emitted
1087 * - ERR_ALERT: an alert has been emitted
1088 * Only the two first ones can stop processing, the two others are just
1089 * indicators.
1090 */
1091int cfg_parse_mailers(const char *file, int linenum, char **args, int kwm)
1092{
1093 static struct mailers *curmailers = NULL;
1094 struct mailer *newmailer = NULL;
1095 const char *err;
1096 int err_code = 0;
1097 char *errmsg = NULL;
1098
1099 if (strcmp(args[0], "mailers") == 0) { /* new mailers section */
1100 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001101 ha_alert("parsing [%s:%d] : missing name for mailers section.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001102 err_code |= ERR_ALERT | ERR_ABORT;
1103 goto out;
1104 }
1105
1106 err = invalid_char(args[1]);
1107 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001108 ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
1109 file, linenum, *err, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001110 err_code |= ERR_ALERT | ERR_ABORT;
1111 goto out;
1112 }
1113
1114 for (curmailers = mailers; curmailers != NULL; curmailers = curmailers->next) {
1115 /*
1116 * If there are two proxies with the same name only following
1117 * combinations are allowed:
1118 */
1119 if (strcmp(curmailers->id, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001120 ha_alert("Parsing [%s:%d]: mailers section '%s' has the same name as another mailers section declared at %s:%d.\n",
1121 file, linenum, args[1], curmailers->conf.file, curmailers->conf.line);
Willy Tarreau911fa2e2015-05-26 10:35:50 +02001122 err_code |= ERR_ALERT | ERR_FATAL;
Simon Horman0d16a402015-01-30 11:22:58 +09001123 }
1124 }
1125
Vincent Bernat02779b62016-04-03 13:48:43 +02001126 if ((curmailers = calloc(1, sizeof(*curmailers))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001127 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001128 err_code |= ERR_ALERT | ERR_ABORT;
1129 goto out;
1130 }
1131
1132 curmailers->next = mailers;
1133 mailers = curmailers;
1134 curmailers->conf.file = strdup(file);
1135 curmailers->conf.line = linenum;
1136 curmailers->id = strdup(args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001137 curmailers->timeout.mail = DEF_MAILALERTTIME;/* XXX: Would like to Skip to the next alert, if any, ASAP.
1138 * But need enough time so that timeouts don't occur
1139 * during tcp procssing. For now just us an arbitrary default. */
Simon Horman0d16a402015-01-30 11:22:58 +09001140 }
1141 else if (strcmp(args[0], "mailer") == 0) { /* mailer definition */
1142 struct sockaddr_storage *sk;
1143 int port1, port2;
1144 struct protocol *proto;
1145
1146 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001147 ha_alert("parsing [%s:%d] : '%s' expects <name> and <addr>[:<port>] as arguments.\n",
1148 file, linenum, args[0]);
Simon Horman0d16a402015-01-30 11:22:58 +09001149 err_code |= ERR_ALERT | ERR_FATAL;
1150 goto out;
1151 }
1152
1153 err = invalid_char(args[1]);
1154 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001155 ha_alert("parsing [%s:%d] : character '%c' is not permitted in server name '%s'.\n",
1156 file, linenum, *err, args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001157 err_code |= ERR_ALERT | ERR_FATAL;
1158 goto out;
1159 }
1160
Vincent Bernat02779b62016-04-03 13:48:43 +02001161 if ((newmailer = calloc(1, sizeof(*newmailer))) == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001162 ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
Simon Horman0d16a402015-01-30 11:22:58 +09001163 err_code |= ERR_ALERT | ERR_ABORT;
1164 goto out;
1165 }
1166
1167 /* the mailers are linked backwards first */
1168 curmailers->count++;
1169 newmailer->next = curmailers->mailer_list;
1170 curmailers->mailer_list = newmailer;
1171 newmailer->mailers = curmailers;
1172 newmailer->conf.file = strdup(file);
1173 newmailer->conf.line = linenum;
1174
1175 newmailer->id = strdup(args[1]);
1176
Willy Tarreau5fc93282020-09-16 18:25:03 +02001177 sk = str2sa_range(args[2], NULL, &port1, &port2, NULL, &proto,
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001178 &errmsg, NULL, NULL,
1179 PA_O_RESOLVE | PA_O_PORT_OK | PA_O_PORT_MAND | PA_O_STREAM | PA_O_XPRT | PA_O_CONNECT);
Simon Horman0d16a402015-01-30 11:22:58 +09001180 if (!sk) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001181 ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], errmsg);
Simon Horman0d16a402015-01-30 11:22:58 +09001182 err_code |= ERR_ALERT | ERR_FATAL;
1183 goto out;
1184 }
1185
Willy Tarreau65ec4e32020-09-16 19:17:08 +02001186 if (proto->sock_prot != IPPROTO_TCP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001187 ha_alert("parsing [%s:%d] : '%s %s' : TCP not supported for this address family.\n",
1188 file, linenum, args[0], args[1]);
Simon Horman0d16a402015-01-30 11:22:58 +09001189 err_code |= ERR_ALERT | ERR_FATAL;
1190 goto out;
1191 }
1192
Simon Horman0d16a402015-01-30 11:22:58 +09001193 newmailer->addr = *sk;
1194 newmailer->proto = proto;
Willy Tarreaua261e9b2016-12-22 20:44:00 +01001195 newmailer->xprt = xprt_get(XPRT_RAW);
Simon Horman0d16a402015-01-30 11:22:58 +09001196 newmailer->sock_init_arg = NULL;
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001197 }
1198 else if (strcmp(args[0], "timeout") == 0) {
1199 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001200 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments.\n",
1201 file, linenum, args[0]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001202 err_code |= ERR_ALERT | ERR_FATAL;
1203 goto out;
1204 }
1205 else if (strcmp(args[1], "mail") == 0) {
1206 const char *res;
1207 unsigned int timeout_mail;
1208 if (!*args[2]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001209 ha_alert("parsing [%s:%d] : '%s %s' expects <time> as argument.\n",
1210 file, linenum, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001211 err_code |= ERR_ALERT | ERR_FATAL;
1212 goto out;
1213 }
1214 res = parse_time_err(args[2], &timeout_mail, TIME_UNIT_MS);
Willy Tarreau9faebe32019-06-07 19:00:37 +02001215 if (res == PARSE_TIME_OVER) {
1216 ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s %s>, maximum value is 2147483647 ms (~24.8 days).\n",
1217 file, linenum, args[2], args[0], args[1]);
1218 err_code |= ERR_ALERT | ERR_FATAL;
1219 goto out;
1220 }
1221 else if (res == PARSE_TIME_UNDER) {
1222 ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s %s>, minimum non-null value is 1 ms.\n",
1223 file, linenum, args[2], args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001224 err_code |= ERR_ALERT | ERR_FATAL;
1225 goto out;
1226 }
Willy Tarreau9faebe32019-06-07 19:00:37 +02001227 else if (res) {
1228 ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s %s>.\n",
1229 file, linenum, *res, args[0], args[1]);
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001230 err_code |= ERR_ALERT | ERR_FATAL;
1231 goto out;
1232 }
1233 curmailers->timeout.mail = timeout_mail;
1234 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001235 ha_alert("parsing [%s:%d] : '%s' expects 'mail' and <time> as arguments got '%s'.\n",
Pieter Baauw235fcfc2016-02-13 15:33:40 +01001236 file, linenum, args[0], args[1]);
1237 err_code |= ERR_ALERT | ERR_FATAL;
1238 goto out;
1239 }
1240 }
Simon Horman0d16a402015-01-30 11:22:58 +09001241 else if (*args[0] != 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001242 ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
Simon Horman0d16a402015-01-30 11:22:58 +09001243 err_code |= ERR_ALERT | ERR_FATAL;
1244 goto out;
1245 }
1246
1247out:
1248 free(errmsg);
1249 return err_code;
1250}
1251
Willy Tarreau3a1f5fd2018-11-11 15:40:36 +01001252void free_email_alert(struct proxy *p)
Simon Horman9dc49962015-01-30 11:22:59 +09001253{
Willy Tarreau61cfdf42021-02-20 10:46:51 +01001254 ha_free(&p->email_alert.mailers.name);
1255 ha_free(&p->email_alert.from);
1256 ha_free(&p->email_alert.to);
1257 ha_free(&p->email_alert.myhostname);
Simon Horman9dc49962015-01-30 11:22:59 +09001258}
1259
Willy Tarreaubaaee002006-06-26 02:48:02 +02001260
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001261int
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001262cfg_parse_netns(const char *file, int linenum, char **args, int kwm)
1263{
Willy Tarreaue5733232019-05-22 19:24:06 +02001264#ifdef USE_NS
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001265 const char *err;
1266 const char *item = args[0];
1267
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001268 if (strcmp(item, "namespace_list") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001269 return 0;
1270 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001271 else if (strcmp(item, "namespace") == 0) {
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001272 size_t idx = 1;
1273 const char *current;
1274 while (*(current = args[idx++])) {
1275 err = invalid_char(current);
1276 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001277 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1278 file, linenum, *err, item, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001279 return ERR_ALERT | ERR_FATAL;
1280 }
1281
1282 if (netns_store_lookup(current, strlen(current))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001283 ha_alert("parsing [%s:%d]: Namespace '%s' is already added.\n",
1284 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001285 return ERR_ALERT | ERR_FATAL;
1286 }
1287 if (!netns_store_insert(current)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001288 ha_alert("parsing [%s:%d]: Cannot open namespace '%s'.\n",
1289 file, linenum, current);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001290 return ERR_ALERT | ERR_FATAL;
1291 }
1292 }
1293 }
1294
1295 return 0;
1296#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001297 ha_alert("parsing [%s:%d]: namespace support is not compiled in.",
1298 file, linenum);
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +01001299 return ERR_ALERT | ERR_FATAL;
1300#endif
1301}
1302
1303int
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001304cfg_parse_users(const char *file, int linenum, char **args, int kwm)
1305{
1306
1307 int err_code = 0;
1308 const char *err;
1309
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001310 if (strcmp(args[0], "userlist") == 0) { /* new userlist */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001311 struct userlist *newul;
1312
1313 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001314 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1315 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001316 err_code |= ERR_ALERT | ERR_FATAL;
1317 goto out;
1318 }
William Lallemand6e62fb62015-04-28 16:55:23 +02001319 if (alertif_too_many_args(1, file, linenum, args, &err_code))
1320 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001321
1322 err = invalid_char(args[1]);
1323 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001324 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1325 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001326 err_code |= ERR_ALERT | ERR_FATAL;
1327 goto out;
1328 }
1329
1330 for (newul = userlist; newul; newul = newul->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001331 if (strcmp(newul->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001332 ha_warning("parsing [%s:%d]: ignoring duplicated userlist '%s'.\n",
1333 file, linenum, args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001334 err_code |= ERR_WARN;
1335 goto out;
1336 }
1337
Vincent Bernat02779b62016-04-03 13:48:43 +02001338 newul = calloc(1, sizeof(*newul));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001339 if (!newul) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001340 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001341 err_code |= ERR_ALERT | ERR_ABORT;
1342 goto out;
1343 }
1344
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001345 newul->name = strdup(args[1]);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001346 if (!newul->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001347 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001348 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier97880bb2016-04-08 10:35:26 +01001349 free(newul);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001350 goto out;
1351 }
1352
1353 newul->next = userlist;
1354 userlist = newul;
1355
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001356 } else if (strcmp(args[0], "group") == 0) { /* new group */
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001357 int cur_arg;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001358 const char *err;
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001359 struct auth_groups *ag;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001360
1361 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001362 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1363 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001364 err_code |= ERR_ALERT | ERR_FATAL;
1365 goto out;
1366 }
1367
1368 err = invalid_char(args[1]);
1369 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001370 ha_alert("parsing [%s:%d]: character '%c' is not permitted in '%s' name '%s'.\n",
1371 file, linenum, *err, args[0], args[1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001372 err_code |= ERR_ALERT | ERR_FATAL;
1373 goto out;
1374 }
1375
William Lallemand4ac9f542015-05-28 18:03:51 +02001376 if (!userlist)
1377 goto out;
1378
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001379 for (ag = userlist->groups; ag; ag = ag->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001380 if (strcmp(ag->name, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001381 ha_warning("parsing [%s:%d]: ignoring duplicated group '%s' in userlist '%s'.\n",
1382 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001383 err_code |= ERR_ALERT;
1384 goto out;
1385 }
1386
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001387 ag = calloc(1, sizeof(*ag));
1388 if (!ag) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001389 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001390 err_code |= ERR_ALERT | ERR_ABORT;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001391 goto out;
1392 }
1393
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001394 ag->name = strdup(args[1]);
David Carlier70d60452016-08-22 23:27:42 +01001395 if (!ag->name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001396 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001397 err_code |= ERR_ALERT | ERR_ABORT;
David Carlier70d60452016-08-22 23:27:42 +01001398 free(ag);
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001399 goto out;
1400 }
1401
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001402 cur_arg = 2;
1403
1404 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001405 if (strcmp(args[cur_arg], "users") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001406 ag->groupusers = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001407 cur_arg += 2;
1408 continue;
1409 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001410 ha_alert("parsing [%s:%d]: '%s' only supports 'users' option.\n",
1411 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001412 err_code |= ERR_ALERT | ERR_FATAL;
David Carlier70d60452016-08-22 23:27:42 +01001413 free(ag->groupusers);
1414 free(ag->name);
1415 free(ag);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001416 goto out;
1417 }
1418 }
1419
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001420 ag->next = userlist->groups;
1421 userlist->groups = ag;
1422
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001423 } else if (strcmp(args[0], "user") == 0) { /* new user */
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001424 struct auth_users *newuser;
1425 int cur_arg;
1426
1427 if (!*args[1]) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001428 ha_alert("parsing [%s:%d]: '%s' expects <name> as arguments.\n",
1429 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001430 err_code |= ERR_ALERT | ERR_FATAL;
1431 goto out;
1432 }
William Lallemand4ac9f542015-05-28 18:03:51 +02001433 if (!userlist)
1434 goto out;
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001435
1436 for (newuser = userlist->users; newuser; newuser = newuser->next)
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001437 if (strcmp(newuser->user, args[1]) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001438 ha_warning("parsing [%s:%d]: ignoring duplicated user '%s' in userlist '%s'.\n",
1439 file, linenum, args[1], userlist->name);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001440 err_code |= ERR_ALERT;
1441 goto out;
1442 }
1443
Vincent Bernat02779b62016-04-03 13:48:43 +02001444 newuser = calloc(1, sizeof(*newuser));
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001445 if (!newuser) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001446 ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001447 err_code |= ERR_ALERT | ERR_ABORT;
1448 goto out;
1449 }
1450
1451 newuser->user = strdup(args[1]);
1452
1453 newuser->next = userlist->users;
1454 userlist->users = newuser;
1455
1456 cur_arg = 2;
1457
1458 while (*args[cur_arg]) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001459 if (strcmp(args[cur_arg], "password") == 0) {
Willy Tarreaue5733232019-05-22 19:24:06 +02001460#ifdef USE_LIBCRYPT
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001461 if (!crypt("", args[cur_arg + 1])) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001462 ha_alert("parsing [%s:%d]: the encrypted password used for user '%s' is not supported by crypt(3).\n",
1463 file, linenum, newuser->user);
Cyril Bonté1a0191d2014-08-29 20:20:02 +02001464 err_code |= ERR_ALERT | ERR_FATAL;
1465 goto out;
1466 }
1467#else
Christopher Faulet767a84b2017-11-24 16:50:31 +01001468 ha_warning("parsing [%s:%d]: no crypt(3) support compiled, encrypted passwords will not work.\n",
1469 file, linenum);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001470 err_code |= ERR_ALERT;
1471#endif
1472 newuser->pass = strdup(args[cur_arg + 1]);
1473 cur_arg += 2;
1474 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001475 } else if (strcmp(args[cur_arg], "insecure-password") == 0) {
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001476 newuser->pass = strdup(args[cur_arg + 1]);
1477 newuser->flags |= AU_O_INSECURE;
1478 cur_arg += 2;
1479 continue;
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01001480 } else if (strcmp(args[cur_arg], "groups") == 0) {
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01001481 newuser->u.groups_names = strdup(args[cur_arg + 1]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001482 cur_arg += 2;
1483 continue;
1484 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001485 ha_alert("parsing [%s:%d]: '%s' only supports 'password', 'insecure-password' and 'groups' options.\n",
1486 file, linenum, args[0]);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001487 err_code |= ERR_ALERT | ERR_FATAL;
1488 goto out;
1489 }
1490 }
1491 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001492 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 +01001493 err_code |= ERR_ALERT | ERR_FATAL;
1494 }
1495
1496out:
1497 return err_code;
1498}
Willy Tarreaubaaee002006-06-26 02:48:02 +02001499
Christopher Faulet79bdef32016-11-04 22:36:15 +01001500int
1501cfg_parse_scope(const char *file, int linenum, char *line)
1502{
1503 char *beg, *end, *scope = NULL;
1504 int err_code = 0;
1505 const char *err;
1506
1507 beg = line + 1;
1508 end = strchr(beg, ']');
1509
1510 /* Detect end of scope declaration */
1511 if (!end || end == beg) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001512 ha_alert("parsing [%s:%d] : empty scope name is forbidden.\n",
1513 file, linenum);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001514 err_code |= ERR_ALERT | ERR_FATAL;
1515 goto out;
1516 }
1517
1518 /* Get scope name and check its validity */
1519 scope = my_strndup(beg, end-beg);
1520 err = invalid_char(scope);
1521 if (err) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001522 ha_alert("parsing [%s:%d] : character '%c' is not permitted in a scope name.\n",
1523 file, linenum, *err);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001524 err_code |= ERR_ALERT | ERR_ABORT;
1525 goto out;
1526 }
1527
1528 /* Be sure to have a scope declaration alone on its line */
1529 line = end+1;
1530 while (isspace((unsigned char)*line))
1531 line++;
1532 if (*line && *line != '#' && *line != '\n' && *line != '\r') {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001533 ha_alert("parsing [%s:%d] : character '%c' is not permitted after scope declaration.\n",
1534 file, linenum, *line);
Christopher Faulet79bdef32016-11-04 22:36:15 +01001535 err_code |= ERR_ALERT | ERR_ABORT;
1536 goto out;
1537 }
1538
1539 /* We have a valid scope declaration, save it */
1540 free(cfg_scope);
1541 cfg_scope = scope;
1542 scope = NULL;
1543
1544 out:
1545 free(scope);
1546 return err_code;
1547}
1548
Frédéric Lécaillea41d5312018-01-29 12:05:07 +01001549int
1550cfg_parse_track_sc_num(unsigned int *track_sc_num,
1551 const char *arg, const char *end, char **errmsg)
1552{
1553 const char *p;
1554 unsigned int num;
1555
1556 p = arg;
1557 num = read_uint64(&arg, end);
1558
1559 if (arg != end) {
1560 memprintf(errmsg, "Wrong track-sc number '%s'", p);
1561 return -1;
1562 }
1563
1564 if (num >= MAX_SESS_STKCTR) {
1565 memprintf(errmsg, "%u track-sc number exceeding "
1566 "%d (MAX_SESS_STKCTR-1) value", num, MAX_SESS_STKCTR - 1);
1567 return -1;
1568 }
1569
1570 *track_sc_num = num;
1571 return 0;
1572}
1573
Willy Tarreaubaaee002006-06-26 02:48:02 +02001574/*
Amaury Denoyelle728be0f2021-03-31 11:43:47 +02001575 * Detect a global section after a non-global one and output a diagnostic
1576 * warning.
1577 */
1578static void check_section_position(char *section_name,
1579 const char *file, int linenum,
1580 int *non_global_parsed)
1581{
1582 if (!strcmp(section_name, "global")) {
1583 if (*non_global_parsed == 1)
1584 _ha_diag_warning("parsing [%s:%d] : global section detected after a non-global one, the prevalence of their statements is unspecified\n", file, linenum);
1585 }
1586 else if (*non_global_parsed == 0) {
1587 *non_global_parsed = 1;
1588 }
1589}
1590
Willy Tarreau8a022d52021-04-27 20:29:11 +02001591/* apply the current default_path setting for config file <file>, and
1592 * optionally replace the current path to <origin> if not NULL while the
1593 * default-path mode is set to "origin". Errors are returned into an
1594 * allocated string passed to <err> if it's not NULL. Returns 0 on failure
1595 * or non-zero on success.
1596 */
1597static int cfg_apply_default_path(const char *file, const char *origin, char **err)
1598{
1599 const char *beg, *end;
1600
1601 /* make path start at <beg> and end before <end>, and switch it to ""
1602 * if no slash was passed.
1603 */
1604 beg = file;
1605 end = strrchr(beg, '/');
1606 if (!end)
1607 end = beg;
1608
1609 if (!*initial_cwd) {
1610 if (getcwd(initial_cwd, sizeof(initial_cwd)) == NULL) {
1611 if (err)
1612 memprintf(err, "Impossible to retrieve startup directory name: %s", strerror(errno));
1613 return 0;
1614 }
1615 }
1616 else if (chdir(initial_cwd) == -1) {
1617 if (err)
1618 memprintf(err, "Impossible to get back to initial directory '%s': %s", initial_cwd, strerror(errno));
1619 return 0;
1620 }
1621
1622 /* OK now we're (back) to initial_cwd */
1623
1624 switch (default_path_mode) {
1625 case DEFAULT_PATH_CURRENT:
1626 /* current_cwd never set, nothing to do */
1627 return 1;
1628
1629 case DEFAULT_PATH_ORIGIN:
1630 /* current_cwd set in the config */
1631 if (origin &&
1632 snprintf(current_cwd, sizeof(current_cwd), "%s", origin) > sizeof(current_cwd)) {
1633 if (err)
1634 memprintf(err, "Absolute path too long: '%s'", origin);
1635 return 0;
1636 }
1637 break;
1638
1639 case DEFAULT_PATH_CONFIG:
1640 if (end - beg >= sizeof(current_cwd)) {
1641 if (err)
1642 memprintf(err, "Config file path too long, cannot use for relative paths: '%s'", file);
1643 return 0;
1644 }
1645 memcpy(current_cwd, beg, end - beg);
1646 current_cwd[end - beg] = 0;
1647 break;
1648
1649 case DEFAULT_PATH_PARENT:
1650 if (end - beg + 3 >= sizeof(current_cwd)) {
1651 if (err)
1652 memprintf(err, "Config file path too long, cannot use for relative paths: '%s'", file);
1653 return 0;
1654 }
1655 memcpy(current_cwd, beg, end - beg);
1656 if (end > beg)
1657 memcpy(current_cwd + (end - beg), "/..\0", 4);
1658 else
1659 memcpy(current_cwd + (end - beg), "..\0", 3);
1660 break;
1661 }
1662
1663 if (*current_cwd && chdir(current_cwd) == -1) {
1664 if (err)
1665 memprintf(err, "Impossible to get back to directory '%s': %s", initial_cwd, strerror(errno));
1666 return 0;
1667 }
1668
1669 return 1;
1670}
1671
1672/* parses a global "default-path" directive. */
1673static int cfg_parse_global_def_path(char **args, int section_type, struct proxy *curpx,
1674 const struct proxy *defpx, const char *file, int line,
1675 char **err)
1676{
1677 int ret = -1;
1678
1679 /* "current", "config", "parent", "origin <path>" */
1680
1681 if (strcmp(args[1], "current") == 0)
1682 default_path_mode = DEFAULT_PATH_CURRENT;
1683 else if (strcmp(args[1], "config") == 0)
1684 default_path_mode = DEFAULT_PATH_CONFIG;
1685 else if (strcmp(args[1], "parent") == 0)
1686 default_path_mode = DEFAULT_PATH_PARENT;
1687 else if (strcmp(args[1], "origin") == 0)
1688 default_path_mode = DEFAULT_PATH_ORIGIN;
1689 else {
1690 memprintf(err, "%s default-path mode '%s' for '%s', supported modes include 'current', 'config', 'parent', and 'origin'.", *args[1] ? "unsupported" : "missing", args[1], args[0]);
1691 goto end;
1692 }
1693
1694 if (default_path_mode == DEFAULT_PATH_ORIGIN) {
1695 if (!*args[2]) {
1696 memprintf(err, "'%s %s' expects a directory as an argument.", args[0], args[1]);
1697 goto end;
1698 }
1699 if (!cfg_apply_default_path(file, args[2], err)) {
1700 memprintf(err, "couldn't set '%s' to origin '%s': %s.", args[0], args[2], *err);
1701 goto end;
1702 }
1703 }
1704 else if (!cfg_apply_default_path(file, NULL, err)) {
1705 memprintf(err, "couldn't set '%s' to '%s': %s.", args[0], args[1], *err);
1706 goto end;
1707 }
1708
1709 /* note that once applied, the path is immediately updated */
1710
1711 ret = 0;
1712 end:
1713 return ret;
1714}
1715
Willy Tarreau732525f2021-05-06 15:49:04 +02001716/* looks up a cond predicate matching the keyword in <str>, possibly followed
1717 * by a parenthesis. Returns a pointer to it or NULL if not found.
1718 */
1719static const struct cond_pred_kw *cfg_lookup_cond_pred(const char *str)
1720{
1721 const struct cond_pred_kw *ret;
1722 int len = strcspn(str, " (");
1723
1724 for (ret = &cond_predicates[0]; ret->word; ret++) {
1725 if (len != strlen(ret->word))
1726 continue;
1727 if (strncmp(str, ret->word, len) != 0)
1728 continue;
1729 return ret;
1730 }
1731 return NULL;
1732}
1733
Willy Tarreau6a2110c2021-05-06 08:19:48 +02001734/* evaluate a condition on a .if/.elif line. The condition is already tokenized
1735 * in <err>. Returns -1 on error (in which case err is filled with a message,
Willy Tarreau299bd1c2021-05-06 15:07:10 +02001736 * and only in this case), 0 if the condition is false, 1 if it's true. If
1737 * <errptr> is not NULL, it's set to the first invalid character on error.
Willy Tarreau6a2110c2021-05-06 08:19:48 +02001738 */
Willy Tarreau299bd1c2021-05-06 15:07:10 +02001739static int cfg_eval_condition(char **args, char **err, const char **errptr)
Willy Tarreau6a2110c2021-05-06 08:19:48 +02001740{
Willy Tarreau732525f2021-05-06 15:49:04 +02001741 const struct cond_pred_kw *cond_pred = NULL;
1742 const char *end_ptr;
1743 struct arg *argp = NULL;
1744 int err_arg;
1745 int nbargs;
1746 int ret = -1;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02001747 char *end;
1748 long val;
1749
1750 if (!*args[0]) /* note: empty = false */
1751 return 0;
1752
1753 val = strtol(args[0], &end, 0);
1754 if (end && *end == '\0')
1755 return val != 0;
1756
Willy Tarreau732525f2021-05-06 15:49:04 +02001757 /* below we'll likely all make_arg_list() so we must return only via
1758 * the <done> label which frees the arg list.
1759 */
1760 cond_pred = cfg_lookup_cond_pred(args[0]);
1761 if (cond_pred) {
1762 nbargs = make_arg_list(args[0] + strlen(cond_pred->word), -1,
1763 cond_pred->arg_mask, &argp, err,
1764 &end_ptr, &err_arg, NULL);
1765
1766 if (nbargs < 0) {
1767 memprintf(err, "%s in argument %d of predicate '%s' used in conditional expression", *err, err_arg, cond_pred->word);
1768 if (errptr)
1769 *errptr = end_ptr;
1770 goto done;
1771 }
1772
1773 /* here we know we have a valid predicate with <nbargs> valid
1774 * arguments, placed in <argp> (which we'll need to free).
1775 */
1776 switch (cond_pred->prd) {
Willy Tarreau42ed14b2021-05-06 15:55:14 +02001777 case CFG_PRED_DEFINED: // checks if arg exists as an environment variable
1778 ret = getenv(argp[0].data.str.area) != NULL;
1779 goto done;
1780
Willy Tarreau58ca7062021-05-06 16:34:23 +02001781 case CFG_PRED_FEATURE: { // checks if the arg matches an enabled feature
1782 const char *p;
1783
1784 for (p = build_features; (p = strstr(p, argp[0].data.str.area)); p++) {
1785 if ((p[argp[0].data.str.data] == ' ' || p[argp[0].data.str.data] == 0) &&
1786 p > build_features) {
1787 if (*(p-1) == '+') { // "+OPENSSL"
1788 ret = 1;
1789 goto done;
1790 }
1791 else if (*(p-1) == '-') { // "-OPENSSL"
1792 ret = 0;
1793 goto done;
1794 }
1795 /* it was a sub-word, let's restart from next place */
1796 }
1797 }
1798 /* not found */
1799 ret = 0;
1800 goto done;
1801 }
Willy Tarreau6492e872021-05-06 16:10:09 +02001802 case CFG_PRED_STREQ: // checks if the two arg are equal
1803 ret = strcmp(argp[0].data.str.area, argp[1].data.str.area) == 0;
1804 goto done;
1805
1806 case CFG_PRED_STRNEQ: // checks if the two arg are different
1807 ret = strcmp(argp[0].data.str.area, argp[1].data.str.area) != 0;
1808 goto done;
1809
Willy Tarreau0b7c78a2021-05-06 16:53:26 +02001810 case CFG_PRED_VERSION_ATLEAST: // checks if the current version is at least this one
1811 ret = compare_current_version(argp[0].data.str.area) <= 0;
1812 goto done;
1813
1814 case CFG_PRED_VERSION_BEFORE: // checks if the current version is older than this one
1815 ret = compare_current_version(argp[0].data.str.area) > 0;
1816 goto done;
1817
Willy Tarreau732525f2021-05-06 15:49:04 +02001818 default:
1819 memprintf(err, "internal error: unhandled conditional expression predicate '%s'", cond_pred->word);
1820 if (errptr)
1821 *errptr = args[0];
1822 goto done;
1823 }
1824 }
1825
Willy Tarreau299bd1c2021-05-06 15:07:10 +02001826 memprintf(err, "unparsable conditional expression '%s'", args[0]);
1827 if (errptr)
1828 *errptr = args[0];
Willy Tarreau732525f2021-05-06 15:49:04 +02001829 done:
1830 for (nbargs = 0; argp && argp[nbargs].type != ARGT_STOP; nbargs++) {
1831 if (argp[nbargs].type == ARGT_STR)
1832 free(argp[nbargs].data.str.area);
1833 }
1834 free(argp);
1835 return ret;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02001836}
Willy Tarreau8a022d52021-04-27 20:29:11 +02001837
Amaury Denoyelle728be0f2021-03-31 11:43:47 +02001838/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02001839 * This function reads and parses the configuration file given in the argument.
Willy Tarreauda543e12021-04-27 18:30:28 +02001840 * Returns the error code, 0 if OK, -1 if the config file couldn't be opened,
1841 * or any combination of :
Willy Tarreau058e9072009-07-20 09:30:05 +02001842 * - ERR_ABORT: must abort ASAP
1843 * - ERR_FATAL: we can continue parsing but not start the service
1844 * - ERR_WARN: a warning has been emitted
1845 * - ERR_ALERT: an alert has been emitted
1846 * Only the two first ones can stop processing, the two others are just
1847 * indicators.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001848 */
Willy Tarreaub17916e2006-10-15 15:17:57 +02001849int readcfgfile(const char *file)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001850{
Willy Tarreauda543e12021-04-27 18:30:28 +02001851 char *thisline = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02001852 int linesize = LINESIZE;
Willy Tarreauda543e12021-04-27 18:30:28 +02001853 FILE *f = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001854 int linenum = 0;
Willy Tarreau058e9072009-07-20 09:30:05 +02001855 int err_code = 0;
William Lallemandd2ff56d2017-10-16 11:06:50 +02001856 struct cfg_section *cs = NULL, *pcs = NULL;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001857 struct cfg_section *ics;
William Lallemand64e84512015-05-12 14:25:37 +02001858 int readbytes = 0;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001859 char *outline = NULL;
1860 size_t outlen = 0;
1861 size_t outlinesize = 0;
Willy Tarreau32234e72020-06-16 17:14:33 +02001862 int fatal = 0;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001863 int missing_lf = -1;
Willy Tarreau4b103022021-02-12 17:59:10 +01001864 int nested_cond_lvl = 0;
1865 enum nested_cond_state nested_conds[MAXNESTEDCONDS];
Amaury Denoyelle728be0f2021-03-31 11:43:47 +02001866 int non_global_section_parsed = 0;
Willy Tarreau8a022d52021-04-27 20:29:11 +02001867 char *errmsg = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02001868
Willy Tarreau51508052021-05-06 10:04:45 +02001869 global.cfg_curr_line = 0;
1870 global.cfg_curr_file = file;
1871
William Lallemand64e84512015-05-12 14:25:37 +02001872 if ((thisline = malloc(sizeof(*thisline) * linesize)) == NULL) {
Willy Tarreauda543e12021-04-27 18:30:28 +02001873 ha_alert("Out of memory trying to allocate a buffer for a configuration line.\n");
1874 err_code = -1;
1875 goto err;
William Lallemand64e84512015-05-12 14:25:37 +02001876 }
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01001877
Willy Tarreauda543e12021-04-27 18:30:28 +02001878 if ((f = fopen(file,"r")) == NULL) {
1879 err_code = -1;
1880 goto err;
David Carlier97880bb2016-04-08 10:35:26 +01001881 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001882
Willy Tarreau8a022d52021-04-27 20:29:11 +02001883 /* change to the new dir if required */
1884 if (!cfg_apply_default_path(file, NULL, &errmsg)) {
1885 ha_alert("parsing [%s:%d]: failed to apply default-path: %s.\n", file, linenum, errmsg);
1886 free(errmsg);
1887 err_code = -1;
1888 goto err;
1889 }
1890
William Lallemandb2f07452015-05-12 14:27:13 +02001891next_line:
William Lallemand64e84512015-05-12 14:25:37 +02001892 while (fgets(thisline + readbytes, linesize - readbytes, f) != NULL) {
Willy Tarreau3842f002009-06-14 11:39:52 +02001893 int arg, kwm = KWM_STD;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001894 char *end;
1895 char *args[MAX_LINE_ARGS + 1];
1896 char *line = thisline;
1897
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001898 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001899 ha_alert("parsing [%s:%d]: Stray NUL character at position %d.\n",
1900 file, linenum, (missing_lf + 1));
1901 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001902 missing_lf = -1;
Tim Duesterhusf92afb72020-08-18 22:00:04 +02001903 break;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001904 }
1905
Willy Tarreaubaaee002006-06-26 02:48:02 +02001906 linenum++;
Willy Tarreau51508052021-05-06 10:04:45 +02001907 global.cfg_curr_line = linenum;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001908
Willy Tarreau32234e72020-06-16 17:14:33 +02001909 if (fatal >= 50) {
1910 ha_alert("parsing [%s:%d]: too many fatal errors (%d), stopping now.\n", file, linenum, fatal);
1911 break;
1912 }
1913
Willy Tarreaubaaee002006-06-26 02:48:02 +02001914 end = line + strlen(line);
1915
William Lallemand64e84512015-05-12 14:25:37 +02001916 if (end-line == linesize-1 && *(end-1) != '\n') {
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001917 /* Check if we reached the limit and the last char is not \n.
1918 * Watch out for the last line without the terminating '\n'!
1919 */
William Lallemand64e84512015-05-12 14:25:37 +02001920 char *newline;
1921 int newlinesize = linesize * 2;
1922
1923 newline = realloc(thisline, sizeof(*thisline) * newlinesize);
1924 if (newline == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01001925 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
1926 file, linenum);
William Lallemand64e84512015-05-12 14:25:37 +02001927 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001928 fatal++;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001929 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001930 continue;
1931 }
1932
1933 readbytes = linesize - 1;
1934 linesize = newlinesize;
1935 thisline = newline;
Willy Tarreau40cb26f2020-06-25 09:37:54 +02001936 linenum--;
William Lallemand64e84512015-05-12 14:25:37 +02001937 continue;
Krzysztof Piotr Oledzkie6bbd742007-11-01 00:33:12 +01001938 }
1939
William Lallemand64e84512015-05-12 14:25:37 +02001940 readbytes = 0;
1941
Willy Tarreau08488f62020-06-26 17:24:54 +02001942 if (end > line && *(end-1) == '\n') {
Tim Duesterhus70f58992020-06-22 22:57:44 +02001943 /* kill trailing LF */
1944 *(end - 1) = 0;
1945 }
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02001946 else {
1947 /* mark this line as truncated */
1948 missing_lf = end - line;
1949 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001950
Willy Tarreaubaaee002006-06-26 02:48:02 +02001951 /* skip leading spaces */
Willy Tarreau8f8e6452007-06-17 21:51:38 +02001952 while (isspace((unsigned char)*line))
Willy Tarreaubaaee002006-06-26 02:48:02 +02001953 line++;
William Lallemandf9873ba2015-05-05 17:37:14 +02001954
Joseph Herlanta14c03e2018-11-15 14:04:19 -08001955 if (*line == '[') {/* This is the beginning if a scope */
Christopher Faulet79bdef32016-11-04 22:36:15 +01001956 err_code |= cfg_parse_scope(file, linenum, line);
1957 goto next_line;
1958 }
1959
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001960 while (1) {
1961 uint32_t err;
1962 char *errptr;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001963
Willy Tarreau61dd44b2020-06-25 07:35:42 +02001964 arg = MAX_LINE_ARGS + 1;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001965 outlen = outlinesize;
1966 err = parse_line(line, outline, &outlen, args, &arg,
1967 PARSE_OPT_ENV | PARSE_OPT_DQUOTE | PARSE_OPT_SQUOTE |
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02001968 PARSE_OPT_BKSLASH | PARSE_OPT_SHARP | PARSE_OPT_WORD_EXPAND,
1969 &errptr);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001970
1971 if (err & PARSE_ERR_QUOTE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001972 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1973
1974 ha_alert("parsing [%s:%d]: unmatched quote at position %d:\n"
1975 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001976 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001977 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001978 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001979 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001980
1981 if (err & PARSE_ERR_BRACE) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001982 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1983
1984 ha_alert("parsing [%s:%d]: unmatched brace in environment variable name at position %d:\n"
1985 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001986 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001987 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001988 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001989 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001990
1991 if (err & PARSE_ERR_VARNAME) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02001992 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
1993
1994 ha_alert("parsing [%s:%d]: forbidden first char in environment variable name at position %d:\n"
1995 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001996 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02001997 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02001998 goto next_line;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001999 }
William Lallemandb2f07452015-05-12 14:27:13 +02002000
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002001 if (err & PARSE_ERR_HEX) {
Willy Tarreauc54e5ad2020-06-25 09:15:40 +02002002 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
2003
2004 ha_alert("parsing [%s:%d]: truncated or invalid hexadecimal sequence at position %d:\n"
2005 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002006 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus9f658a52020-06-16 18:14:21 +02002007 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002008 goto next_line;
2009 }
William Lallemandb2f07452015-05-12 14:27:13 +02002010
Amaury Denoyellefa41cb62020-10-01 14:32:35 +02002011 if (err & PARSE_ERR_WRONG_EXPAND) {
2012 size_t newpos = sanitize_for_printing(line, errptr - line, 80);
2013
2014 ha_alert("parsing [%s:%d]: truncated or invalid word expansion sequence at position %d:\n"
2015 " %s\n %*s\n", file, linenum, (int)(errptr-thisline+1), line, (int)(newpos+1), "^");
2016 err_code |= ERR_ALERT | ERR_FATAL;
2017 fatal++;
2018 goto next_line;
2019 }
2020
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002021 if (err & (PARSE_ERR_TOOLARGE|PARSE_ERR_OVERLAP)) {
2022 outlinesize = (outlen + 1023) & -1024;
Ilya Shipitsin76837bc2021-01-07 22:45:13 +05002023 outline = my_realloc2(outline, outlinesize);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002024 if (outline == NULL) {
2025 ha_alert("parsing [%s:%d]: line too long, cannot allocate memory.\n",
2026 file, linenum);
William Lallemandb2f07452015-05-12 14:27:13 +02002027 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02002028 fatal++;
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002029 goto next_line;
William Lallemandb2f07452015-05-12 14:27:13 +02002030 }
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002031 /* try again */
2032 continue;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002033 }
Willy Tarreau07d47062020-06-25 07:41:22 +02002034
2035 if (err & PARSE_ERR_TOOMANY) {
2036 /* only check this *after* being sure the output is allocated */
2037 ha_alert("parsing [%s:%d]: too many words, truncating after word %d, position %ld: <%s>.\n",
2038 file, linenum, MAX_LINE_ARGS, (long)(args[MAX_LINE_ARGS-1] - outline + 1), args[MAX_LINE_ARGS-1]);
2039 err_code |= ERR_ALERT | ERR_FATAL;
2040 fatal++;
2041 goto next_line;
2042 }
2043
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002044 /* everything's OK */
2045 break;
William Lallemandf9873ba2015-05-05 17:37:14 +02002046 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002047
2048 /* empty line */
2049 if (!**args)
2050 continue;
2051
Willy Tarreau4b103022021-02-12 17:59:10 +01002052 /* check for config macros */
2053 if (*args[0] == '.') {
2054 if (strcmp(args[0], ".if") == 0) {
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002055 const char *errptr = NULL;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002056 char *errmsg = NULL;
2057 int cond;
2058
Willy Tarreau4b103022021-02-12 17:59:10 +01002059 nested_cond_lvl++;
2060 if (nested_cond_lvl >= MAXNESTEDCONDS) {
2061 ha_alert("parsing [%s:%d]: too many nested '.if', max is %d.\n", file, linenum, MAXNESTEDCONDS);
2062 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2063 goto err;
2064 }
2065
Willy Tarreau6e647c92021-05-06 08:46:11 +02002066 if (nested_cond_lvl > 1 &&
2067 (nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_DROP ||
2068 nested_conds[nested_cond_lvl - 1] == NESTED_COND_IF_SKIP ||
2069 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_DROP ||
2070 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELIF_SKIP ||
2071 nested_conds[nested_cond_lvl - 1] == NESTED_COND_ELSE_DROP)) {
Willy Tarreau4b103022021-02-12 17:59:10 +01002072 nested_conds[nested_cond_lvl] = NESTED_COND_IF_SKIP;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002073 goto next_line;
2074 }
2075
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002076 cond = cfg_eval_condition(args + 1, &errmsg, &errptr);
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002077 if (cond < 0) {
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002078 size_t newpos = sanitize_for_printing(args[1], errptr - args[1], 76);
2079
2080 ha_alert("parsing [%s:%d]: %s in '.if' at position %d:\n .if %s\n %*s\n",
2081 file, linenum, errmsg,
2082 (int)(errptr-args[1]+1), args[1], (int)(newpos+5), "^");
2083
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002084 free(errmsg);
Willy Tarreau4b103022021-02-12 17:59:10 +01002085 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2086 goto err;
2087 }
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002088
2089 if (cond)
2090 nested_conds[nested_cond_lvl] = NESTED_COND_IF_TAKE;
2091 else
2092 nested_conds[nested_cond_lvl] = NESTED_COND_IF_DROP;
2093
Willy Tarreau4b103022021-02-12 17:59:10 +01002094 goto next_line;
2095 }
2096 else if (strcmp(args[0], ".elif") == 0) {
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002097 const char *errptr = NULL;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002098 char *errmsg = NULL;
2099 int cond;
2100
Willy Tarreau4b103022021-02-12 17:59:10 +01002101 if (!nested_cond_lvl) {
2102 ha_alert("parsing [%s:%d]: lone '.elif' with no matching '.if'.\n", file, linenum);
2103 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2104 goto err;
2105 }
2106
2107 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
2108 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
2109 ha_alert("parsing [%s:%d]: '.elif' after '.else' is not permitted.\n", file, linenum);
2110 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2111 goto err;
2112 }
2113
2114 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
2115 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
Willy Tarreauf67ff022021-05-06 08:48:09 +02002116 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_TAKE ||
Willy Tarreau4b103022021-02-12 17:59:10 +01002117 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
2118 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_SKIP;
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002119 goto next_line;
2120 }
2121
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002122 cond = cfg_eval_condition(args + 1, &errmsg, &errptr);
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002123 if (cond < 0) {
Willy Tarreau299bd1c2021-05-06 15:07:10 +02002124 size_t newpos = sanitize_for_printing(args[1], errptr - args[1], 74);
2125
2126 ha_alert("parsing [%s:%d]: %s in '.elif' at position %d:\n .elif %s\n %*s\n",
2127 file, linenum, errmsg,
2128 (int)(errptr-args[1]+1), args[1], (int)(newpos+7), "^");
2129
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002130 free(errmsg);
Willy Tarreau4b103022021-02-12 17:59:10 +01002131 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2132 goto err;
2133 }
Willy Tarreau6a2110c2021-05-06 08:19:48 +02002134
2135 if (cond)
2136 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_TAKE;
2137 else
2138 nested_conds[nested_cond_lvl] = NESTED_COND_ELIF_DROP;
2139
Willy Tarreau4b103022021-02-12 17:59:10 +01002140 goto next_line;
2141 }
2142 else if (strcmp(args[0], ".else") == 0) {
2143 if (!nested_cond_lvl) {
2144 ha_alert("parsing [%s:%d]: lone '.else' with no matching '.if'.\n", file, linenum);
2145 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2146 goto err;
2147 }
2148
2149 if (nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_TAKE ||
2150 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP) {
2151 ha_alert("parsing [%s:%d]: '.else' after '.else' is not permitted.\n", file, linenum);
2152 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2153 goto err;
2154 }
2155
2156 if (nested_conds[nested_cond_lvl] == NESTED_COND_IF_TAKE ||
2157 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
2158 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_TAKE ||
2159 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP) {
2160 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_DROP;
2161 } else {
2162 /* otherwise we take the "else" */
2163 nested_conds[nested_cond_lvl] = NESTED_COND_ELSE_TAKE;
2164 }
2165 goto next_line;
2166 }
2167 else if (strcmp(args[0], ".endif") == 0) {
2168 if (!nested_cond_lvl) {
2169 ha_alert("parsing [%s:%d]: lone '.endif' with no matching '.if'.\n", file, linenum);
2170 err_code |= ERR_ALERT | ERR_FATAL;
2171 fatal++;
2172 break;
2173 }
2174 nested_cond_lvl--;
2175 goto next_line;
2176 }
2177 }
2178
2179 if (nested_cond_lvl &&
2180 (nested_conds[nested_cond_lvl] == NESTED_COND_IF_DROP ||
2181 nested_conds[nested_cond_lvl] == NESTED_COND_IF_SKIP ||
2182 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_DROP ||
2183 nested_conds[nested_cond_lvl] == NESTED_COND_ELIF_SKIP ||
2184 nested_conds[nested_cond_lvl] == NESTED_COND_ELSE_DROP)) {
2185 /* The current block is masked out by the conditions */
2186 goto next_line;
2187 }
2188
Willy Tarreau7190b982021-05-07 08:59:50 +02002189 /* .warning/.error/.notice/.diag */
Willy Tarreau4b103022021-02-12 17:59:10 +01002190 if (*args[0] == '.') {
2191 if (strcmp(args[0], ".alert") == 0) {
2192 ha_alert("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
2193 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2194 goto err;
2195 }
2196 else if (strcmp(args[0], ".warning") == 0) {
2197 ha_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
2198 err_code |= ERR_WARN;
2199 goto next_line;
2200 }
2201 else if (strcmp(args[0], ".notice") == 0) {
2202 ha_notice("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
2203 goto next_line;
2204 }
Willy Tarreau7190b982021-05-07 08:59:50 +02002205 else if (strcmp(args[0], ".diag") == 0) {
2206 ha_diag_warning("parsing [%s:%d]: '%s'.\n", file, linenum, args[1]);
2207 goto next_line;
2208 }
Willy Tarreau4b103022021-02-12 17:59:10 +01002209 else {
2210 ha_alert("parsing [%s:%d]: unknown directive '%s'.\n", file, linenum, args[0]);
2211 err_code |= ERR_ALERT | ERR_FATAL;
2212 fatal++;
2213 break;
2214 }
2215 }
2216
Willy Tarreau3842f002009-06-14 11:39:52 +02002217 /* check for keyword modifiers "no" and "default" */
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01002218 if (strcmp(args[0], "no") == 0) {
William Lallemand0f99e342011-10-12 17:50:54 +02002219 char *tmp;
2220
Willy Tarreau3842f002009-06-14 11:39:52 +02002221 kwm = KWM_NO;
William Lallemand0f99e342011-10-12 17:50:54 +02002222 tmp = args[0];
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002223 for (arg=0; *args[arg+1]; arg++)
2224 args[arg] = args[arg+1]; // shift args after inversion
William Lallemand0f99e342011-10-12 17:50:54 +02002225 *tmp = '\0'; // fix the next arg to \0
2226 args[arg] = tmp;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002227 }
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01002228 else if (strcmp(args[0], "default") == 0) {
Willy Tarreau3842f002009-06-14 11:39:52 +02002229 kwm = KWM_DEF;
2230 for (arg=0; *args[arg+1]; arg++)
2231 args[arg] = args[arg+1]; // shift args after inversion
2232 }
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002233
William Dauchyec730982019-10-27 20:08:10 +01002234 if (kwm != KWM_STD && strcmp(args[0], "option") != 0 &&
2235 strcmp(args[0], "log") != 0 && strcmp(args[0], "busy-polling") != 0 &&
Willy Tarreaud96f1122019-12-03 07:07:36 +01002236 strcmp(args[0], "set-dumpable") != 0 && strcmp(args[0], "strict-limits") != 0 &&
Amaury Denoyelle0f50cb92021-03-26 18:50:33 +01002237 strcmp(args[0], "insecure-fork-wanted") != 0 &&
2238 strcmp(args[0], "numa-cpu-mapping") != 0) {
William Dauchyec730982019-10-27 20:08:10 +01002239 ha_alert("parsing [%s:%d]: negation/default currently "
William Dauchy0fec3ab2019-10-27 20:08:11 +01002240 "supported only for options, log, busy-polling, "
Amaury Denoyelle0f50cb92021-03-26 18:50:33 +01002241 "set-dumpable, strict-limits, insecure-fork-wanted "
2242 "and numa-cpu-mapping.\n", file, linenum);
Willy Tarreau058e9072009-07-20 09:30:05 +02002243 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02002244 fatal++;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01002245 }
2246
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002247 /* detect section start */
2248 list_for_each_entry(ics, &sections, list) {
2249 if (strcmp(args[0], ics->section_name) == 0) {
2250 cursection = ics->section_name;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002251 pcs = cs;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002252 cs = ics;
Willy Tarreau51508052021-05-06 10:04:45 +02002253 free(global.cfg_curr_section);
2254 global.cfg_curr_section = strdup(*args[1] ? args[1] : args[0]);
Amaury Denoyelle728be0f2021-03-31 11:43:47 +02002255
2256 if (global.mode & MODE_DIAG) {
2257 check_section_position(args[0], file, linenum,
2258 &non_global_section_parsed);
2259 }
2260
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01002261 break;
2262 }
Emeric Brun32da3c42010-09-23 18:39:19 +02002263 }
2264
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002265 if (pcs && pcs->post_section_parser) {
Willy Tarreau32234e72020-06-16 17:14:33 +02002266 int status;
2267
2268 status = pcs->post_section_parser();
2269 err_code |= status;
2270 if (status & ERR_FATAL)
2271 fatal++;
2272
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002273 if (err_code & ERR_ABORT)
2274 goto err;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002275 }
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002276 pcs = NULL;
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002277
William Lallemandd2ff56d2017-10-16 11:06:50 +02002278 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002279 ha_alert("parsing [%s:%d]: unknown keyword '%s' out of section.\n", file, linenum, args[0]);
Willy Tarreau058e9072009-07-20 09:30:05 +02002280 err_code |= ERR_ALERT | ERR_FATAL;
Willy Tarreau32234e72020-06-16 17:14:33 +02002281 fatal++;
William Lallemandd2ff56d2017-10-16 11:06:50 +02002282 } else {
Willy Tarreau32234e72020-06-16 17:14:33 +02002283 int status;
2284
2285 status = cs->section_parser(file, linenum, args, kwm);
2286 err_code |= status;
2287 if (status & ERR_FATAL)
2288 fatal++;
2289
William Lallemandd2ff56d2017-10-16 11:06:50 +02002290 if (err_code & ERR_ABORT)
2291 goto err;
2292 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002293 }
William Lallemandd2ff56d2017-10-16 11:06:50 +02002294
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02002295 if (missing_lf != -1) {
Tim Duesterhusf92afb72020-08-18 22:00:04 +02002296 ha_alert("parsing [%s:%d]: Missing LF on last line, file might have been truncated at position %d.\n",
2297 file, linenum, (missing_lf + 1));
2298 err_code |= ERR_ALERT | ERR_FATAL;
Tim Duesterhus2fd5bdb2020-06-22 22:57:45 +02002299 }
2300
Willy Tarreau51508052021-05-06 10:04:45 +02002301 ha_free(&global.cfg_curr_section);
Christopher Fauletbf7a9592018-12-02 09:37:38 +01002302 if (cs && cs->post_section_parser)
Christopher Faulet7805e2b2018-11-30 13:50:47 +01002303 err_code |= cs->post_section_parser();
William Lallemandd2ff56d2017-10-16 11:06:50 +02002304
Willy Tarreau4b103022021-02-12 17:59:10 +01002305 if (nested_cond_lvl) {
2306 ha_alert("parsing [%s:%d]: non-terminated '.if' block.\n", file, linenum);
2307 err_code |= ERR_ALERT | ERR_FATAL | ERR_ABORT;
2308 }
Willy Tarreau8a022d52021-04-27 20:29:11 +02002309
2310 if (*initial_cwd && chdir(initial_cwd) == -1) {
2311 ha_alert("Impossible to get back to initial directory '%s' : %s\n", initial_cwd, strerror(errno));
2312 err_code |= ERR_ALERT | ERR_FATAL;
2313 }
2314
William Lallemandd2ff56d2017-10-16 11:06:50 +02002315err:
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002316 ha_free(&cfg_scope);
Willy Tarreau6daf3432008-01-22 16:44:08 +01002317 cursection = NULL;
William Lallemand64e84512015-05-12 14:25:37 +02002318 free(thisline);
Willy Tarreau9e1758e2020-06-16 16:32:59 +02002319 free(outline);
Willy Tarreau51508052021-05-06 10:04:45 +02002320 global.cfg_curr_line = 0;
2321 global.cfg_curr_file = NULL;
2322
Willy Tarreauda543e12021-04-27 18:30:28 +02002323 if (f)
2324 fclose(f);
2325
Willy Tarreau058e9072009-07-20 09:30:05 +02002326 return err_code;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002327}
2328
Willy Tarreau64ab6072014-09-16 12:17:36 +02002329/* This function propagates processes from frontend <from> to backend <to> so
2330 * that it is always guaranteed that a backend pointed to by a frontend is
2331 * bound to all of its processes. After that, if the target is a "listen"
2332 * instance, the function recursively descends the target's own targets along
Willy Tarreau98d04852015-05-26 12:18:29 +02002333 * default_backend and use_backend rules. Since the bits are
Willy Tarreau64ab6072014-09-16 12:17:36 +02002334 * checked first to ensure that <to> is already bound to all processes of
2335 * <from>, there is no risk of looping and we ensure to follow the shortest
2336 * path to the destination.
2337 *
2338 * It is possible to set <to> to NULL for the first call so that the function
2339 * takes care of visiting the initial frontend in <from>.
2340 *
2341 * It is important to note that the function relies on the fact that all names
2342 * have already been resolved.
2343 */
2344void propagate_processes(struct proxy *from, struct proxy *to)
2345{
2346 struct switching_rule *rule;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002347
2348 if (to) {
2349 /* check whether we need to go down */
2350 if (from->bind_proc &&
2351 (from->bind_proc & to->bind_proc) == from->bind_proc)
2352 return;
2353
2354 if (!from->bind_proc && !to->bind_proc)
2355 return;
2356
2357 to->bind_proc = from->bind_proc ?
2358 (to->bind_proc | from->bind_proc) : 0;
2359
2360 /* now propagate down */
2361 from = to;
2362 }
2363
Willy Tarreau8a95d8c2014-12-18 13:56:26 +01002364 if (!(from->cap & PR_CAP_FE))
Willy Tarreau64ab6072014-09-16 12:17:36 +02002365 return;
2366
Willy Tarreauc3914d42020-09-24 08:39:22 +02002367 if (from->disabled)
Willy Tarreauf6b70012014-12-18 14:00:43 +01002368 return;
2369
Willy Tarreau64ab6072014-09-16 12:17:36 +02002370 /* default_backend */
2371 if (from->defbe.be)
2372 propagate_processes(from, from->defbe.be);
2373
2374 /* use_backend */
2375 list_for_each_entry(rule, &from->switching_rules, list) {
Cyril Bonté51639692014-10-02 19:56:25 +02002376 if (rule->dynamic)
2377 continue;
Willy Tarreau64ab6072014-09-16 12:17:36 +02002378 to = rule->be.backend;
2379 propagate_processes(from, to);
2380 }
Willy Tarreau64ab6072014-09-16 12:17:36 +02002381}
2382
Willy Tarreau6bfc10c2021-05-14 08:30:46 +02002383#if defined(USE_THREAD) && defined(__linux__) && defined USE_CPU_AFFINITY
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +01002384/* filter directory name of the pattern node<X> */
2385static int numa_filter(const struct dirent *dir)
2386{
2387 char *endptr;
2388
2389 /* dir name must start with "node" prefix */
2390 if (strncmp(dir->d_name, "node", 4))
2391 return 0;
2392
2393 /* dir name must be at least 5 characters long */
2394 if (!dir->d_name[4])
2395 return 0;
2396
2397 /* dir name must end with a numeric id */
2398 if (strtol(&dir->d_name[4], &endptr, 10) < 0 || *endptr)
2399 return 0;
2400
2401 /* all tests succeeded */
2402 return 1;
2403}
2404
2405/* Parse a linux cpu map string representing to a numeric cpu mask map
2406 * The cpu map string is a list of 4-byte hex strings separated by commas, with
2407 * most-significant byte first, one bit per cpu number.
2408 */
2409static void parse_cpumap(char *cpumap_str, struct hap_cpuset *cpu_set)
2410{
2411 unsigned long cpumap;
2412 char *start, *endptr, *comma;
2413 int i, j;
2414
2415 ha_cpuset_zero(cpu_set);
2416
2417 i = 0;
2418 do {
2419 /* reverse-search for a comma, parse the string after the comma
2420 * or at the beginning if no comma found
2421 */
2422 comma = strrchr(cpumap_str, ',');
2423 start = comma ? comma + 1 : cpumap_str;
2424
2425 cpumap = strtoul(start, &endptr, 16);
2426 for (j = 0; cpumap; cpumap >>= 1, ++j) {
2427 if (cpumap & 0x1)
2428 ha_cpuset_set(cpu_set, j + i * 32);
2429 }
2430
2431 if (comma)
2432 *comma = '\0';
2433 ++i;
2434 } while (comma);
2435}
2436
2437/* Read the first line of a file from <path> into the trash buffer.
2438 * Returns 0 on success, otherwise non-zero.
2439 */
2440static int read_file_to_trash(const char *path)
2441{
2442 FILE *file;
2443 int ret = 1;
2444
2445 file = fopen(path, "r");
2446 if (file) {
2447 if (fgets(trash.area, trash.size, file))
2448 ret = 0;
2449
2450 fclose(file);
2451 }
2452
2453 return ret;
2454}
2455
2456/* Inspect the cpu topology of the machine on startup. If a multi-socket
2457 * machine is detected, try to bind on the first node with active cpu. This is
2458 * done to prevent an impact on the overall performance when the topology of
2459 * the machine is unknown. This function is not called if one of the conditions
2460 * is met :
2461 * - a non-null nbthread directive is active
2462 * - a restrictive cpu-map directive is active
2463 * - a restrictive affinity is already applied, for example via taskset
2464 *
2465 * Returns the count of cpus selected. If no automatic binding was required or
2466 * an error occurred and the topology is unknown, 0 is returned.
2467 */
2468static int numa_detect_topology()
2469{
2470 struct dirent **node_dirlist;
2471 int node_dirlist_size;
2472
2473 struct hap_cpuset active_cpus, node_cpu_set;
2474 const char *parse_cpu_set_args[2];
2475 char cpumap_path[PATH_MAX];
2476 char *err = NULL;
2477
2478 /* node_cpu_set count is used as return value */
2479 ha_cpuset_zero(&node_cpu_set);
2480
2481 /* 1. count the sysfs node<X> directories */
Willy Tarreau07bf21c2021-04-23 19:09:16 +02002482 node_dirlist = NULL;
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +01002483 node_dirlist_size = scandir(NUMA_DETECT_SYSTEM_SYSFS_PATH"/node", &node_dirlist, numa_filter, alphasort);
2484 if (node_dirlist_size <= 1)
2485 goto free_scandir_entries;
2486
2487 /* 2. read and parse the list of currently online cpu */
2488 if (read_file_to_trash(NUMA_DETECT_SYSTEM_SYSFS_PATH"/cpu/online")) {
2489 ha_notice("Cannot read online CPUs list, will not try to refine binding\n");
2490 goto free_scandir_entries;
2491 }
2492
2493 parse_cpu_set_args[0] = trash.area;
2494 parse_cpu_set_args[1] = "\0";
2495 if (parse_cpu_set(parse_cpu_set_args, &active_cpus, 1, &err)) {
2496 ha_notice("Cannot read online CPUs list: '%s'. Will not try to refine binding\n", err);
2497 free(err);
2498 goto free_scandir_entries;
2499 }
2500
2501 /* 3. loop through nodes dirs and find the first one with active cpus */
2502 while (node_dirlist_size--) {
2503 const char *node = node_dirlist[node_dirlist_size]->d_name;
2504 ha_cpuset_zero(&node_cpu_set);
2505
2506 snprintf(cpumap_path, PATH_MAX, "%s/node/%s/cpumap",
2507 NUMA_DETECT_SYSTEM_SYSFS_PATH, node);
2508
2509 if (read_file_to_trash(cpumap_path)) {
2510 ha_notice("Cannot read CPUs list of '%s', will not select them to refine binding\n", node);
2511 free(node_dirlist[node_dirlist_size]);
2512 continue;
2513 }
2514
2515 parse_cpumap(trash.area, &node_cpu_set);
2516 ha_cpuset_and(&node_cpu_set, &active_cpus);
2517
2518 /* 5. set affinity on the first found node with active cpus */
2519 if (!ha_cpuset_count(&node_cpu_set)) {
2520 free(node_dirlist[node_dirlist_size]);
2521 continue;
2522 }
2523
2524 ha_diag_warning("Multi-socket cpu detected, automatically binding on active CPUs of '%s' (%u active cpu(s))\n", node, ha_cpuset_count(&node_cpu_set));
2525 if (sched_setaffinity(getpid(), sizeof(node_cpu_set.cpuset), &node_cpu_set.cpuset) == -1) {
2526 ha_warning("Cannot set the cpu affinity for this multi-cpu machine\n");
2527
2528 /* clear the cpuset used as return value */
2529 ha_cpuset_zero(&node_cpu_set);
2530 }
2531
2532 free(node_dirlist[node_dirlist_size]);
2533 break;
2534 }
2535
2536 free_scandir_entries:
2537 while (node_dirlist_size-- > 0)
2538 free(node_dirlist[node_dirlist_size]);
2539 free(node_dirlist);
2540
2541 return ha_cpuset_count(&node_cpu_set);
2542}
2543#endif /* __linux__ && USE_CPU_AFFINITY */
2544
Willy Tarreaubb925012009-07-23 13:36:36 +02002545/*
2546 * Returns the error code, 0 if OK, or any combination of :
2547 * - ERR_ABORT: must abort ASAP
2548 * - ERR_FATAL: we can continue parsing but not start the service
2549 * - ERR_WARN: a warning has been emitted
2550 * - ERR_ALERT: an alert has been emitted
2551 * Only the two first ones can stop processing, the two others are just
2552 * indicators.
2553 */
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002554int check_config_validity()
2555{
2556 int cfgerr = 0;
2557 struct proxy *curproxy = NULL;
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01002558 struct stktable *t;
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002559 struct server *newsrv = NULL;
Willy Tarreaubb925012009-07-23 13:36:36 +02002560 int err_code = 0;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002561 unsigned int next_pxid = 1;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002562 struct bind_conf *bind_conf;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002563 char *err;
William Lallemand48b4bb42017-10-23 14:36:34 +02002564 struct cfg_postparser *postparser;
Emeric Brun750fe792020-12-23 16:51:12 +01002565 struct resolvers *curr_resolvers = NULL;
Amaury Denoyelle3efee652021-03-08 17:31:39 +01002566 int i;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002567
Willy Tarreau2a65ff02012-09-13 17:54:29 +02002568 bind_conf = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002569 /*
2570 * Now, check for the integrity of all that we have collected.
2571 */
2572
2573 /* will be needed further to delay some tasks */
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02002574 tv_update_date(0,1);
Willy Tarreaubaaee002006-06-26 02:48:02 +02002575
Willy Tarreau193b8c62012-11-22 00:17:38 +01002576 if (!global.tune.max_http_hdr)
2577 global.tune.max_http_hdr = MAX_HTTP_HDR;
2578
2579 if (!global.tune.cookie_len)
2580 global.tune.cookie_len = CAPTURE_LEN;
2581
Stéphane Cottin23e9e932017-05-18 08:58:41 +02002582 if (!global.tune.requri_len)
2583 global.tune.requri_len = REQURI_LEN;
2584
Willy Tarreau149ab772019-01-26 14:27:06 +01002585 if (!global.nbthread) {
2586 /* nbthread not set, thus automatic. In this case, and only if
2587 * running on a single process, we enable the same number of
2588 * threads as the number of CPUs the process is bound to. This
2589 * allows to easily control the number of threads using taskset.
2590 */
2591 global.nbthread = 1;
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +01002592
Willy Tarreau149ab772019-01-26 14:27:06 +01002593#if defined(USE_THREAD)
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +01002594 if (global.nbproc == 1) {
2595 int numa_cores = 0;
2596#if defined(__linux__) && defined USE_CPU_AFFINITY
Amaury Denoyelle0f50cb92021-03-26 18:50:33 +01002597 if (global.numa_cpu_mapping && !thread_cpu_mask_forced())
Amaury Denoyelleb56a7c82021-03-26 18:20:47 +01002598 numa_cores = numa_detect_topology();
2599#endif
2600 global.nbthread = numa_cores ? numa_cores :
2601 thread_cpus_enabled_at_boot;
2602 }
Willy Tarreau149ab772019-01-26 14:27:06 +01002603 all_threads_mask = nbits(global.nbthread);
2604#endif
2605 }
2606
Willy Tarreau26f6ae12019-02-02 12:56:15 +01002607 if (global.nbproc > 1 && global.nbthread > 1) {
2608 ha_alert("config : cannot enable multiple processes if multiple threads are configured. Please use either nbproc or nbthread but not both.\n");
2609 err_code |= ERR_ALERT | ERR_FATAL;
2610 goto out;
2611 }
2612
Willy Tarreaubafbe012017-11-24 17:34:44 +01002613 pool_head_requri = create_pool("requri", global.tune.requri_len , MEM_F_SHARED);
Emeric Brun96fd9262017-07-05 13:33:16 +02002614
Willy Tarreaubafbe012017-11-24 17:34:44 +01002615 pool_head_capture = create_pool("capture", global.tune.cookie_len, MEM_F_SHARED);
Willy Tarreau193b8c62012-11-22 00:17:38 +01002616
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01002617 /* Post initialisation of the users and groups lists. */
2618 err_code = userlist_postinit();
2619 if (err_code != ERR_NONE)
2620 goto out;
2621
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002622 /* first, we will invert the proxy list order */
2623 curproxy = NULL;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002624 while (proxies_list) {
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002625 struct proxy *next;
2626
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002627 next = proxies_list->next;
2628 proxies_list->next = curproxy;
2629 curproxy = proxies_list;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002630 if (!next)
2631 break;
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002632 proxies_list = next;
Willy Tarreau55bc0f82009-03-15 14:51:53 +01002633 }
2634
Olivier Houchardfbc74e82017-11-24 16:54:05 +01002635 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002636 struct switching_rule *rule;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002637 struct server_rule *srule;
Emeric Brunb982a3d2010-01-04 15:45:53 +01002638 struct sticking_rule *mrule;
Dragan Dosen1322d092015-09-22 16:05:32 +02002639 struct logsrv *tmplogsrv;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002640 unsigned int next_id;
Willy Tarreau16a21472012-11-19 12:39:59 +01002641 int nbproc;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002642
Willy Tarreau050536d2012-10-04 08:47:34 +02002643 if (curproxy->uuid < 0) {
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002644 /* proxy ID not set, use automatic numbering with first
2645 * spare entry starting with next_pxid.
2646 */
2647 next_pxid = get_next_id(&used_proxy_id, next_pxid);
2648 curproxy->conf.id.key = curproxy->uuid = next_pxid;
2649 eb32_insert(&used_proxy_id, &curproxy->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02002650 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01002651 next_pxid++;
2652
Willy Tarreau55ea7572007-06-17 19:56:27 +02002653
Willy Tarreauc3914d42020-09-24 08:39:22 +02002654 if (curproxy->disabled) {
Willy Tarreau02b092f2020-10-07 18:36:54 +02002655 /* ensure we don't keep listeners uselessly bound. We
2656 * can't disable their listeners yet (fdtab not
2657 * allocated yet) but let's skip them.
2658 */
Dragan Dosen7d61a332019-05-07 14:16:18 +02002659 if (curproxy->table) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002660 ha_free(&curproxy->table->peers.name);
Dragan Dosen7d61a332019-05-07 14:16:18 +02002661 curproxy->table->peers.p = NULL;
2662 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002663 continue;
2664 }
2665
Willy Tarreau102df612014-05-07 23:56:38 +02002666 /* Check multi-process mode compatibility for the current proxy */
2667
2668 if (curproxy->bind_proc) {
2669 /* an explicit bind-process was specified, let's check how many
2670 * processes remain.
2671 */
David Carliere6c39412015-07-02 07:00:17 +00002672 nbproc = my_popcountl(curproxy->bind_proc);
Willy Tarreau102df612014-05-07 23:56:38 +02002673
Willy Tarreaua38a7172019-02-02 17:11:28 +01002674 curproxy->bind_proc &= all_proc_mask;
Willy Tarreau102df612014-05-07 23:56:38 +02002675 if (!curproxy->bind_proc && nbproc == 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002676 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 +02002677 curproxy->bind_proc = 1;
2678 }
2679 else if (!curproxy->bind_proc && nbproc > 1) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002680 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 +02002681 curproxy->bind_proc = 0;
2682 }
2683 }
2684
Willy Tarreau3d209582014-05-09 17:06:11 +02002685 /* check and reduce the bind-proc of each listener */
2686 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
2687 unsigned long mask;
2688
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002689 /* HTTP frontends with "h2" as ALPN/NPN will work in
2690 * HTTP/2 and absolutely require buffers 16kB or larger.
2691 */
2692#ifdef USE_OPENSSL
2693 if (curproxy->mode == PR_MODE_HTTP && global.tune.bufsize < 16384) {
2694#ifdef OPENSSL_NPN_NEGOTIATED
2695 /* check NPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002696 if (bind_conf->ssl_conf.npn_str && strstr(bind_conf->ssl_conf.npn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002697 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",
2698 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002699 cfgerr++;
2700 }
2701#endif
2702#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
2703 /* check ALPN */
Willy Tarreau4db49c02018-11-11 10:36:25 +01002704 if (bind_conf->ssl_conf.alpn_str && strstr(bind_conf->ssl_conf.alpn_str, "\002h2")) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002705 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",
2706 curproxy->id, bind_conf->file, bind_conf->line, global.tune.bufsize);
Willy Tarreau45a66cc2017-11-24 11:28:00 +01002707 cfgerr++;
2708 }
2709#endif
2710 } /* HTTP && bufsize < 16384 */
2711#endif
2712
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002713 /* detect and address thread affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002714 mask = thread_mask(bind_conf->settings.bind_thread);
Willy Tarreau3d957172019-02-02 18:00:17 +01002715 if (!(mask & all_threads_mask)) {
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002716 unsigned long new_mask = 0;
2717
2718 while (mask) {
Willy Tarreau0c026f42018-08-01 19:12:20 +02002719 new_mask |= mask & all_threads_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002720 mask >>= global.nbthread;
2721 }
2722
Willy Tarreaue26993c2020-09-03 07:18:55 +02002723 bind_conf->settings.bind_thread = new_mask;
Willy Tarreauc477b6f2018-07-27 18:07:41 +02002724 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",
2725 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line, new_mask);
2726 }
2727
2728 /* detect process and nbproc affinity inconsistencies */
Willy Tarreaue26993c2020-09-03 07:18:55 +02002729 mask = proc_mask(bind_conf->settings.bind_proc) & proc_mask(curproxy->bind_proc);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002730 if (!(mask & all_proc_mask)) {
2731 mask = proc_mask(curproxy->bind_proc) & all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02002732 nbproc = my_popcountl(bind_conf->settings.bind_proc);
2733 bind_conf->settings.bind_proc = proc_mask(bind_conf->settings.bind_proc) & mask;
Willy Tarreau3d209582014-05-09 17:06:11 +02002734
Willy Tarreaue26993c2020-09-03 07:18:55 +02002735 if (!bind_conf->settings.bind_proc && nbproc == 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002736 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",
2737 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002738 bind_conf->settings.bind_proc = mask & ~(mask - 1);
Willy Tarreaua36b3242019-02-02 13:14:34 +01002739 }
Willy Tarreaue26993c2020-09-03 07:18:55 +02002740 else if (!bind_conf->settings.bind_proc && nbproc > 1) {
Willy Tarreaua36b3242019-02-02 13:14:34 +01002741 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",
2742 curproxy->id, bind_conf->arg, bind_conf->file, bind_conf->line);
Willy Tarreaue26993c2020-09-03 07:18:55 +02002743 bind_conf->settings.bind_proc = 0;
Willy Tarreaua36b3242019-02-02 13:14:34 +01002744 }
Willy Tarreau3d209582014-05-09 17:06:11 +02002745 }
2746 }
2747
Willy Tarreauff01a212009-03-15 13:46:16 +01002748 switch (curproxy->mode) {
Willy Tarreauff01a212009-03-15 13:46:16 +01002749 case PR_MODE_TCP:
Willy Tarreau915e1eb2009-06-22 15:48:36 +02002750 cfgerr += proxy_cfg_ensure_no_http(curproxy);
Willy Tarreauff01a212009-03-15 13:46:16 +01002751 break;
2752
2753 case PR_MODE_HTTP:
Willy Tarreau25320b22013-03-24 07:22:08 +01002754 curproxy->http_needed = 1;
Willy Tarreauff01a212009-03-15 13:46:16 +01002755 break;
William Lallemandcf62f7e2018-10-26 14:47:40 +02002756
2757 case PR_MODE_CLI:
2758 cfgerr += proxy_cfg_ensure_no_http(curproxy);
2759 break;
Emeric Brun54932b42020-07-07 09:43:24 +02002760 case PR_MODE_SYSLOG:
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002761 case PR_MODE_PEERS:
Emeric Brun54932b42020-07-07 09:43:24 +02002762 case PR_MODES:
2763 /* should not happen, bug gcc warn missing switch statement */
Willy Tarreaua389c9e2020-10-07 17:49:42 +02002764 ha_alert("config : %s '%s' cannot use peers or syslog mode for this proxy. NOTE: PLEASE REPORT THIS TO DEVELOPERS AS YOU'RE NOT SUPPOSED TO BE ABLE TO CREATE A CONFIGURATION TRIGGERING THIS!\n",
Emeric Brun54932b42020-07-07 09:43:24 +02002765 proxy_type_str(curproxy), curproxy->id);
2766 cfgerr++;
2767 break;
Willy Tarreauff01a212009-03-15 13:46:16 +01002768 }
2769
Willy Tarreau4975d142021-03-13 11:00:33 +01002770 if (curproxy != global.cli_fe && (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->conf.listeners)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002771 ha_warning("config : %s '%s' has no 'bind' directive. Please declare it as a backend if this was intended.\n",
2772 proxy_type_str(curproxy), curproxy->id);
Willy Tarreauf3934b82015-08-11 11:36:45 +02002773 err_code |= ERR_WARN;
2774 }
2775
Willy Tarreau77e0dae2020-10-14 15:44:27 +02002776 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreauf3e49f92009-10-03 12:21:20 +02002777 if (curproxy->lbprm.algo & BE_LB_KIND) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002778 if (curproxy->options & PR_O_TRANSP) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002779 ha_alert("config : %s '%s' cannot use both transparent and balance mode.\n",
2780 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002781 cfgerr++;
2782 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002783#ifdef WE_DONT_SUPPORT_SERVERLESS_LISTENERS
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002784 else if (curproxy->srv == NULL) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002785 ha_alert("config : %s '%s' needs at least 1 server in balance mode.\n",
2786 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002787 cfgerr++;
2788 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002789#endif
Willy Tarreau1620ec32011-08-06 17:05:02 +02002790 else if (curproxy->options & PR_O_DISPATCH) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002791 ha_warning("config : dispatch address of %s '%s' will be ignored in balance mode.\n",
2792 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02002793 err_code |= ERR_WARN;
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002794 }
2795 }
Willy Tarreau1620ec32011-08-06 17:05:02 +02002796 else if (!(curproxy->options & (PR_O_TRANSP | PR_O_DISPATCH | PR_O_HTTP_PROXY))) {
Willy Tarreau3cd9af22009-03-15 14:06:41 +01002797 /* If no LB algo is set in a backend, and we're not in
2798 * transparent mode, dispatch mode nor proxy mode, we
2799 * want to use balance roundrobin by default.
2800 */
2801 curproxy->lbprm.algo &= ~BE_LB_ALGO;
2802 curproxy->lbprm.algo |= BE_LB_ALGO_RR;
Willy Tarreaubaaee002006-06-26 02:48:02 +02002803 }
2804 }
Willy Tarreau193cf932007-09-17 10:17:23 +02002805
Willy Tarreau1620ec32011-08-06 17:05:02 +02002806 if (curproxy->options & PR_O_DISPATCH)
2807 curproxy->options &= ~(PR_O_TRANSP | PR_O_HTTP_PROXY);
2808 else if (curproxy->options & PR_O_HTTP_PROXY)
2809 curproxy->options &= ~(PR_O_DISPATCH | PR_O_TRANSP);
2810 else if (curproxy->options & PR_O_TRANSP)
2811 curproxy->options &= ~(PR_O_DISPATCH | PR_O_HTTP_PROXY);
Willy Tarreau82936582007-11-30 15:20:09 +01002812
Christopher Faulete5870d82020-04-15 11:32:03 +02002813 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_HTTP_RS)) {
2814 ha_warning("config : %s '%s' uses http-check rules without 'option httpchk', so the rules are ignored.\n",
2815 proxy_type_str(curproxy), curproxy->id);
2816 err_code |= ERR_WARN;
2817 }
2818
2819 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_TCPCHK_CHK &&
Christopher Fauletc0fcbe42020-06-03 19:00:42 +02002820 (curproxy->tcpcheck_rules.flags & TCPCHK_RULES_PROTO_CHK) != TCPCHK_RULES_HTTP_CHK) {
Willy Tarreau1620ec32011-08-06 17:05:02 +02002821 if (curproxy->options & PR_O_DISABLE404) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002822 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2823 "disable-on-404", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002824 err_code |= ERR_WARN;
2825 curproxy->options &= ~PR_O_DISABLE404;
2826 }
2827 if (curproxy->options2 & PR_O2_CHK_SNDST) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002828 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option httpchk').\n",
2829 "send-state", proxy_type_str(curproxy), curproxy->id);
Willy Tarreau1620ec32011-08-06 17:05:02 +02002830 err_code |= ERR_WARN;
2831 curproxy->options &= ~PR_O2_CHK_SNDST;
2832 }
Willy Tarreauef781042010-01-27 11:53:01 +01002833 }
2834
Simon Horman98637e52014-06-20 12:30:16 +09002835 if ((curproxy->options2 & PR_O2_CHK_ANY) == PR_O2_EXT_CHK) {
2836 if (!global.external_check) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002837 ha_alert("Proxy '%s' : '%s' unable to find required 'global.external-check'.\n",
2838 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002839 cfgerr++;
2840 }
2841 if (!curproxy->check_command) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002842 ha_alert("Proxy '%s' : '%s' unable to find required 'external-check command'.\n",
2843 curproxy->id, "option external-check");
Simon Horman98637e52014-06-20 12:30:16 +09002844 cfgerr++;
2845 }
Willy Tarreaud96f1122019-12-03 07:07:36 +01002846 if (!(global.tune.options & GTUNE_INSECURE_FORK)) {
2847 ha_warning("Proxy '%s' : 'insecure-fork-wanted' not enabled in the global section, '%s' will likely fail.\n",
2848 curproxy->id, "option external-check");
2849 err_code |= ERR_WARN;
2850 }
Simon Horman98637e52014-06-20 12:30:16 +09002851 }
2852
Simon Horman64e34162015-02-06 11:11:57 +09002853 if (curproxy->email_alert.set) {
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002854 if (!(curproxy->email_alert.mailers.name && curproxy->email_alert.from && curproxy->email_alert.to)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002855 ha_warning("config : 'email-alert' will be ignored for %s '%s' (the presence any of "
2856 "'email-alert from', 'email-alert level' 'email-alert mailers', "
2857 "'email-alert myhostname', or 'email-alert to' "
2858 "requires each of 'email-alert from', 'email-alert mailers' and 'email-alert to' "
2859 "to be present).\n",
2860 proxy_type_str(curproxy), curproxy->id);
Simon Horman0ba0e4a2015-01-30 11:23:00 +09002861 err_code |= ERR_WARN;
2862 free_email_alert(curproxy);
2863 }
2864 if (!curproxy->email_alert.myhostname)
Cyril Bontée22bfd62015-12-04 03:07:07 +01002865 curproxy->email_alert.myhostname = strdup(hostname);
Simon Horman9dc49962015-01-30 11:22:59 +09002866 }
2867
Simon Horman98637e52014-06-20 12:30:16 +09002868 if (curproxy->check_command) {
2869 int clear = 0;
2870 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002871 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2872 "external-check command", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002873 err_code |= ERR_WARN;
2874 clear = 1;
2875 }
2876 if (curproxy->check_command[0] != '/' && !curproxy->check_path) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002877 ha_alert("Proxy '%s': '%s' does not have a leading '/' and 'external-check path' is not set.\n",
2878 curproxy->id, "external-check command");
Simon Horman98637e52014-06-20 12:30:16 +09002879 cfgerr++;
2880 }
2881 if (clear) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002882 ha_free(&curproxy->check_command);
Simon Horman98637e52014-06-20 12:30:16 +09002883 }
2884 }
2885
2886 if (curproxy->check_path) {
2887 if ((curproxy->options2 & PR_O2_CHK_ANY) != PR_O2_EXT_CHK) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002888 ha_warning("config : '%s' will be ignored for %s '%s' (requires 'option external-check').\n",
2889 "external-check path", proxy_type_str(curproxy), curproxy->id);
Simon Horman98637e52014-06-20 12:30:16 +09002890 err_code |= ERR_WARN;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01002891 ha_free(&curproxy->check_path);
Simon Horman98637e52014-06-20 12:30:16 +09002892 }
2893 }
2894
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002895 /* if a default backend was specified, let's find it */
2896 if (curproxy->defbe.name) {
2897 struct proxy *target;
2898
Willy Tarreauafb39922015-05-26 12:04:09 +02002899 target = proxy_be_by_name(curproxy->defbe.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002900 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002901 ha_alert("Proxy '%s': unable to find required default_backend: '%s'.\n",
2902 curproxy->id, curproxy->defbe.name);
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002903 cfgerr++;
2904 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002905 ha_alert("Proxy '%s': loop detected for default_backend: '%s'.\n",
2906 curproxy->id, curproxy->defbe.name);
Willy Tarreaubb925012009-07-23 13:36:36 +02002907 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002908 } else if (target->mode != curproxy->mode &&
2909 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2910
Christopher Faulet767a84b2017-11-24 16:50:31 +01002911 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) as its default backend (see 'mode').\n",
2912 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2913 curproxy->conf.file, curproxy->conf.line,
2914 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2915 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002916 cfgerr++;
Willy Tarreau5fdfb912007-01-01 23:11:07 +01002917 } else {
2918 free(curproxy->defbe.name);
2919 curproxy->defbe.be = target;
Willy Tarreauff678132012-02-13 14:32:34 +01002920 /* Emit a warning if this proxy also has some servers */
2921 if (curproxy->srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002922 ha_warning("In proxy '%s', the 'default_backend' rule always has precedence over the servers, which will never be used.\n",
2923 curproxy->id);
Willy Tarreauff678132012-02-13 14:32:34 +01002924 err_code |= ERR_WARN;
2925 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02002926 }
2927 }
2928
Willy Tarreau55ea7572007-06-17 19:56:27 +02002929 /* find the target proxy for 'use_backend' rules */
2930 list_for_each_entry(rule, &curproxy->switching_rules, list) {
Willy Tarreau55ea7572007-06-17 19:56:27 +02002931 struct proxy *target;
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002932 struct logformat_node *node;
2933 char *pxname;
2934
2935 /* Try to parse the string as a log format expression. If the result
2936 * of the parsing is only one entry containing a simple string, then
2937 * it's a standard string corresponding to a static rule, thus the
2938 * parsing is cancelled and be.name is restored to be resolved.
2939 */
2940 pxname = rule->be.name;
2941 LIST_INIT(&rule->be.expr);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01002942 curproxy->conf.args.ctx = ARGC_UBK;
2943 curproxy->conf.args.file = rule->file;
2944 curproxy->conf.args.line = rule->line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002945 err = NULL;
2946 if (!parse_logformat_string(pxname, curproxy, &rule->be.expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002947 ha_alert("Parsing [%s:%d]: failed to parse use_backend rule '%s' : %s.\n",
2948 rule->file, rule->line, pxname, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01002949 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01002950 cfgerr++;
2951 continue;
2952 }
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002953 node = LIST_NEXT(&rule->be.expr, struct logformat_node *, list);
2954
2955 if (!LIST_ISEMPTY(&rule->be.expr)) {
2956 if (node->type != LOG_FMT_TEXT || node->list.n != &rule->be.expr) {
2957 rule->dynamic = 1;
2958 free(pxname);
2959 continue;
2960 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02002961 /* Only one element in the list, a simple string: free the expression and
2962 * fall back to static rule
2963 */
Willy Tarreau2b718102021-04-21 07:32:39 +02002964 LIST_DELETE(&node->list);
Bertrand Jacquin702d44f2013-11-19 11:43:06 +01002965 free(node->arg);
2966 free(node);
2967 }
2968
2969 rule->dynamic = 0;
2970 rule->be.name = pxname;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002971
Willy Tarreauafb39922015-05-26 12:04:09 +02002972 target = proxy_be_by_name(rule->be.name);
Krzysztof Piotr Oledzki6eb730d2007-11-03 23:41:58 +01002973 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002974 ha_alert("Proxy '%s': unable to find required use_backend: '%s'.\n",
2975 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002976 cfgerr++;
2977 } else if (target == curproxy) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01002978 ha_alert("Proxy '%s': loop detected for use_backend: '%s'.\n",
2979 curproxy->id, rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002980 cfgerr++;
Willy Tarreauafb39922015-05-26 12:04:09 +02002981 } else if (target->mode != curproxy->mode &&
2982 !(curproxy->mode == PR_MODE_TCP && target->mode == PR_MODE_HTTP)) {
2983
Christopher Faulet767a84b2017-11-24 16:50:31 +01002984 ha_alert("%s %s '%s' (%s:%d) tries to use incompatible %s %s '%s' (%s:%d) in a 'use_backend' rule (see 'mode').\n",
2985 proxy_mode_str(curproxy->mode), proxy_type_str(curproxy), curproxy->id,
2986 curproxy->conf.file, curproxy->conf.line,
2987 proxy_mode_str(target->mode), proxy_type_str(target), target->id,
2988 target->conf.file, target->conf.line);
Willy Tarreauafb39922015-05-26 12:04:09 +02002989 cfgerr++;
Willy Tarreau55ea7572007-06-17 19:56:27 +02002990 } else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01002991 ha_free(&rule->be.name);
Willy Tarreau55ea7572007-06-17 19:56:27 +02002992 rule->be.backend = target;
2993 }
Christopher Faulet581db2b2021-03-26 10:02:46 +01002994 err_code |= warnif_tcp_http_cond(curproxy, rule->cond);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002995 }
2996
Willy Tarreau64ab6072014-09-16 12:17:36 +02002997 /* find the target server for 'use_server' rules */
Willy Tarreau4a5cade2012-04-05 21:09:48 +02002998 list_for_each_entry(srule, &curproxy->server_rules, list) {
Jerome Magnin824186b2020-03-29 09:37:12 +02002999 struct server *target;
3000 struct logformat_node *node;
3001 char *server_name;
3002
3003 /* We try to parse the string as a log format expression. If the result of the parsing
3004 * is only one entry containing a single string, then it's a standard string corresponding
3005 * to a static rule, thus the parsing is cancelled and we fall back to setting srv.ptr.
3006 */
3007 server_name = srule->srv.name;
3008 LIST_INIT(&srule->expr);
3009 curproxy->conf.args.ctx = ARGC_USRV;
3010 err = NULL;
3011 if (!parse_logformat_string(server_name, curproxy, &srule->expr, 0, SMP_VAL_FE_HRQ_HDR, &err)) {
3012 ha_alert("Parsing [%s:%d]; use-server rule failed to parse log-format '%s' : %s.\n",
3013 srule->file, srule->line, server_name, err);
3014 free(err);
3015 cfgerr++;
3016 continue;
3017 }
3018 node = LIST_NEXT(&srule->expr, struct logformat_node *, list);
3019
3020 if (!LIST_ISEMPTY(&srule->expr)) {
3021 if (node->type != LOG_FMT_TEXT || node->list.n != &srule->expr) {
3022 srule->dynamic = 1;
3023 free(server_name);
3024 continue;
3025 }
Christopher Fauletf82ea4a2020-05-07 15:59:33 +02003026 /* Only one element in the list, a simple string: free the expression and
3027 * fall back to static rule
3028 */
Willy Tarreau2b718102021-04-21 07:32:39 +02003029 LIST_DELETE(&node->list);
Jerome Magnin824186b2020-03-29 09:37:12 +02003030 free(node->arg);
3031 free(node);
3032 }
3033
3034 srule->dynamic = 0;
3035 srule->srv.name = server_name;
3036 target = findserver(curproxy, srule->srv.name);
Christopher Faulet581db2b2021-03-26 10:02:46 +01003037 err_code |= warnif_tcp_http_cond(curproxy, srule->cond);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02003038
3039 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003040 ha_alert("config : %s '%s' : unable to find server '%s' referenced in a 'use-server' rule.\n",
3041 proxy_type_str(curproxy), curproxy->id, srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02003042 cfgerr++;
3043 continue;
3044 }
Willy Tarreau35cd7342021-02-26 20:51:47 +01003045 ha_free(&srule->srv.name);
Willy Tarreau4a5cade2012-04-05 21:09:48 +02003046 srule->srv.ptr = target;
Willy Tarreau55ea7572007-06-17 19:56:27 +02003047 }
3048
Emeric Brunb982a3d2010-01-04 15:45:53 +01003049 /* find the target table for 'stick' rules */
3050 list_for_each_entry(mrule, &curproxy->sticking_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003051 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01003052
Emeric Brun1d33b292010-01-04 15:47:17 +01003053 curproxy->be_req_ana |= AN_REQ_STICKING_RULES;
3054 if (mrule->flags & STK_IS_STORE)
3055 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
3056
Emeric Brunb982a3d2010-01-04 15:45:53 +01003057 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003058 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003059 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003060 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01003061
3062 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003063 ha_alert("Proxy '%s': unable to find stick-table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01003064 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003065 cfgerr++;
3066 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003067 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003068 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
3069 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003070 cfgerr++;
3071 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003072 else if (target->proxy && curproxy->bind_proc & ~target->proxy->bind_proc) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01003073 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
3074 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01003075 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01003076 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01003077 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01003078 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003079 mrule->table.t = target;
3080 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07003081 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02003082 if (!in_proxies_list(target->proxies_list, curproxy)) {
3083 curproxy->next_stkt_ref = target->proxies_list;
3084 target->proxies_list = curproxy;
3085 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01003086 }
Christopher Faulet581db2b2021-03-26 10:02:46 +01003087 err_code |= warnif_tcp_http_cond(curproxy, mrule->cond);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003088 }
3089
3090 /* find the target table for 'store response' rules */
3091 list_for_each_entry(mrule, &curproxy->storersp_rules, list) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003092 struct stktable *target;
Emeric Brunb982a3d2010-01-04 15:45:53 +01003093
Emeric Brun1d33b292010-01-04 15:47:17 +01003094 curproxy->be_rsp_ana |= AN_RES_STORE_RULES;
3095
Emeric Brunb982a3d2010-01-04 15:45:53 +01003096 if (mrule->table.name)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003097 target = stktable_find_by_name(mrule->table.name);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003098 else
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003099 target = curproxy->table;
Emeric Brunb982a3d2010-01-04 15:45:53 +01003100
3101 if (!target) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003102 ha_alert("Proxy '%s': unable to find store table '%s'.\n",
Willy Tarreau508d2322020-01-24 07:19:34 +01003103 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003104 cfgerr++;
3105 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003106 else if (!stktable_compatible_sample(mrule->expr, target->type)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003107 ha_alert("Proxy '%s': type of fetch not usable with type of stick-table '%s'.\n",
3108 curproxy->id, mrule->table.name ? mrule->table.name : curproxy->id);
Emeric Brunb982a3d2010-01-04 15:45:53 +01003109 cfgerr++;
3110 }
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003111 else if (target->proxy && (curproxy->bind_proc & ~target->proxy->bind_proc)) {
Willy Tarreau151e1ca2019-02-05 11:38:38 +01003112 ha_alert("Proxy '%s': stick-table '%s' referenced 'stick-store' rule not present on all processes covered by proxy '%s'.\n",
3113 curproxy->id, target->id, curproxy->id);
Willy Tarreau1a0fe3b2019-02-06 10:25:07 +01003114 cfgerr++;
Willy Tarreau151e1ca2019-02-05 11:38:38 +01003115 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01003116 else {
Willy Tarreau35cd7342021-02-26 20:51:47 +01003117 ha_free(&mrule->table.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003118 mrule->table.t = target;
3119 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
Thayne McCombs92149f92020-11-20 01:28:26 -07003120 stktable_alloc_data_type(target, STKTABLE_DT_SERVER_KEY, NULL);
Frédéric Lécaille9c3a0ce2019-09-02 14:02:28 +02003121 if (!in_proxies_list(target->proxies_list, curproxy)) {
3122 curproxy->next_stkt_ref = target->proxies_list;
3123 target->proxies_list = curproxy;
3124 }
Emeric Brunb982a3d2010-01-04 15:45:53 +01003125 }
3126 }
3127
Christopher Faulet42c6cf92021-03-25 17:19:04 +01003128 /* check validity for 'tcp-request' layer 4/5/6/7 rules */
3129 cfgerr += check_action_rules(&curproxy->tcp_req.l4_rules, curproxy, &err_code);
3130 cfgerr += check_action_rules(&curproxy->tcp_req.l5_rules, curproxy, &err_code);
3131 cfgerr += check_action_rules(&curproxy->tcp_req.inspect_rules, curproxy, &err_code);
3132 cfgerr += check_action_rules(&curproxy->tcp_rep.inspect_rules, curproxy, &err_code);
3133 cfgerr += check_action_rules(&curproxy->http_req_rules, curproxy, &err_code);
3134 cfgerr += check_action_rules(&curproxy->http_res_rules, curproxy, &err_code);
3135 cfgerr += check_action_rules(&curproxy->http_after_res_rules, curproxy, &err_code);
Christopher Faulet6d0c3df2020-01-22 09:26:35 +01003136
Christopher Faulet5eef0182021-03-31 17:13:49 +02003137 /* Warn is a switch-mode http is used on a TCP listener with servers but no backend */
3138 if (!curproxy->defbe.name && LIST_ISEMPTY(&curproxy->switching_rules) && curproxy->srv) {
3139 if ((curproxy->options & PR_O_HTTP_UPG) && curproxy->mode == PR_MODE_TCP)
3140 ha_warning("Proxy '%s' : 'switch-mode http' configured for a %s %s with no backend. "
3141 "Incoming connections upgraded to HTTP cannot be routed to TCP servers\n",
3142 curproxy->id, proxy_mode_str(curproxy->mode), proxy_type_str(curproxy));
3143 }
3144
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003145 if (curproxy->table && curproxy->table->peers.name) {
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003146 struct peers *curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02003147
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02003148 for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) {
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003149 if (strcmp(curpeers->id, curproxy->table->peers.name) == 0) {
Willy Tarreau35cd7342021-02-26 20:51:47 +01003150 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003151 curproxy->table->peers.p = curpeers;
Emeric Brun32da3c42010-09-23 18:39:19 +02003152 break;
3153 }
3154 }
3155
3156 if (!curpeers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003157 ha_alert("Proxy '%s': unable to find sync peers '%s'.\n",
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003158 curproxy->id, curproxy->table->peers.name);
Willy Tarreau35cd7342021-02-26 20:51:47 +01003159 ha_free(&curproxy->table->peers.name);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003160 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02003161 cfgerr++;
3162 }
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02003163 else if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003164 /* silently disable this peers section */
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003165 curproxy->table->peers.p = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02003166 }
Emeric Brun32da3c42010-09-23 18:39:19 +02003167 else if (!curpeers->peers_fe) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003168 ha_alert("Proxy '%s': unable to find local peer '%s' in peers section '%s'.\n",
3169 curproxy->id, localpeer, curpeers->id);
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01003170 curproxy->table->peers.p = NULL;
Emeric Brun32da3c42010-09-23 18:39:19 +02003171 cfgerr++;
3172 }
3173 }
3174
Simon Horman9dc49962015-01-30 11:22:59 +09003175
3176 if (curproxy->email_alert.mailers.name) {
3177 struct mailers *curmailers = mailers;
3178
3179 for (curmailers = mailers; curmailers; curmailers = curmailers->next) {
Tim Duesterhuse5ff1412021-01-02 22:31:53 +01003180 if (strcmp(curmailers->id, curproxy->email_alert.mailers.name) == 0)
Simon Horman9dc49962015-01-30 11:22:59 +09003181 break;
Simon Horman9dc49962015-01-30 11:22:59 +09003182 }
Simon Horman9dc49962015-01-30 11:22:59 +09003183 if (!curmailers) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003184 ha_alert("Proxy '%s': unable to find mailers '%s'.\n",
3185 curproxy->id, curproxy->email_alert.mailers.name);
Simon Horman9dc49962015-01-30 11:22:59 +09003186 free_email_alert(curproxy);
3187 cfgerr++;
3188 }
Christopher Faulet0108bb32017-10-20 21:34:32 +02003189 else {
3190 err = NULL;
3191 if (init_email_alert(curmailers, curproxy, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003192 ha_alert("Proxy '%s': %s.\n", curproxy->id, err);
Christopher Faulet0108bb32017-10-20 21:34:32 +02003193 free(err);
3194 cfgerr++;
3195 }
3196 }
Simon Horman9dc49962015-01-30 11:22:59 +09003197 }
3198
Willy Tarreau5bbc6762021-02-12 11:49:25 +01003199 if (curproxy->uri_auth && !(curproxy->uri_auth->flags & STAT_CONVDONE) &&
Willy Tarreauff011f22011-01-06 17:51:27 +01003200 !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003201 (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003202 ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
3203 "proxy", curproxy->id);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003204 cfgerr++;
3205 goto out_uri_auth_compat;
3206 }
3207
Willy Tarreauee4f5f82019-10-09 09:59:22 +02003208 if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
Willy Tarreau5bbc6762021-02-12 11:49:25 +01003209 (!(curproxy->uri_auth->flags & STAT_CONVDONE) ||
Willy Tarreauee4f5f82019-10-09 09:59:22 +02003210 LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01003211 const char *uri_auth_compat_req[10];
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02003212 struct act_rule *rule;
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003213 i = 0;
3214
Willy Tarreau95fa4692010-02-01 13:05:50 +01003215 /* build the ACL condition from scratch. We're relying on anonymous ACLs for that */
3216 uri_auth_compat_req[i++] = "auth";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003217
3218 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01003219 uri_auth_compat_req[i++] = "realm";
3220 uri_auth_compat_req[i++] = curproxy->uri_auth->auth_realm;
3221 }
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003222
Willy Tarreau95fa4692010-02-01 13:05:50 +01003223 uri_auth_compat_req[i++] = "unless";
3224 uri_auth_compat_req[i++] = "{";
3225 uri_auth_compat_req[i++] = "http_auth(.internal-stats-userlist)";
3226 uri_auth_compat_req[i++] = "}";
3227 uri_auth_compat_req[i++] = "";
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003228
Willy Tarreauff011f22011-01-06 17:51:27 +01003229 rule = parse_http_req_cond(uri_auth_compat_req, "internal-stats-auth-compat", 0, curproxy);
3230 if (!rule) {
Willy Tarreau95fa4692010-02-01 13:05:50 +01003231 cfgerr++;
3232 break;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003233 }
3234
Willy Tarreau2b718102021-04-21 07:32:39 +02003235 LIST_APPEND(&curproxy->uri_auth->http_req_rules, &rule->list);
Willy Tarreau95fa4692010-02-01 13:05:50 +01003236
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003237 if (curproxy->uri_auth->auth_realm) {
Willy Tarreau61cfdf42021-02-20 10:46:51 +01003238 ha_free(&curproxy->uri_auth->auth_realm);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003239 }
Willy Tarreau5bbc6762021-02-12 11:49:25 +01003240 curproxy->uri_auth->flags |= STAT_CONVDONE;
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01003241 }
3242out_uri_auth_compat:
3243
Dragan Dosen43885c72015-10-01 13:18:13 +02003244 /* check whether we have a log server that uses RFC5424 log format */
Dragan Dosen1322d092015-09-22 16:05:32 +02003245 list_for_each_entry(tmplogsrv, &curproxy->logsrvs, list) {
Dragan Dosen43885c72015-10-01 13:18:13 +02003246 if (tmplogsrv->format == LOG_FORMAT_RFC5424) {
3247 if (!curproxy->conf.logformat_sd_string) {
3248 /* set the default logformat_sd_string */
3249 curproxy->conf.logformat_sd_string = default_rfc5424_sd_log_format;
3250 }
Dragan Dosen1322d092015-09-22 16:05:32 +02003251 break;
Dragan Dosen1322d092015-09-22 16:05:32 +02003252 }
Dragan Dosen1322d092015-09-22 16:05:32 +02003253 }
Dragan Dosen68d2e3a2015-09-19 22:35:44 +02003254
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003255 /* compile the log format */
3256 if (!(curproxy->cap & PR_CAP_FE)) {
Willy Tarreau62a61232013-04-12 18:13:46 +02003257 if (curproxy->conf.logformat_string != default_http_log_format &&
3258 curproxy->conf.logformat_string != default_tcp_log_format &&
3259 curproxy->conf.logformat_string != clf_http_log_format)
3260 free(curproxy->conf.logformat_string);
3261 curproxy->conf.logformat_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01003262 ha_free(&curproxy->conf.lfs_file);
Willy Tarreau62a61232013-04-12 18:13:46 +02003263 curproxy->conf.lfs_line = 0;
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003264
3265 if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
3266 free(curproxy->conf.logformat_sd_string);
3267 curproxy->conf.logformat_sd_string = NULL;
Willy Tarreau61cfdf42021-02-20 10:46:51 +01003268 ha_free(&curproxy->conf.lfsd_file);
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003269 curproxy->conf.lfsd_line = 0;
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003270 }
3271
Willy Tarreau62a61232013-04-12 18:13:46 +02003272 if (curproxy->conf.logformat_string) {
3273 curproxy->conf.args.ctx = ARGC_LOG;
3274 curproxy->conf.args.file = curproxy->conf.lfs_file;
3275 curproxy->conf.args.line = curproxy->conf.lfs_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003276 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02003277 if (!parse_logformat_string(curproxy->conf.logformat_string, curproxy, &curproxy->logformat,
3278 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003279 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003280 ha_alert("Parsing [%s:%d]: failed to parse log-format : %s.\n",
3281 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003282 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003283 cfgerr++;
3284 }
Willy Tarreau62a61232013-04-12 18:13:46 +02003285 curproxy->conf.args.file = NULL;
3286 curproxy->conf.args.line = 0;
3287 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003288
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003289 if (curproxy->conf.logformat_sd_string) {
3290 curproxy->conf.args.ctx = ARGC_LOGSD;
3291 curproxy->conf.args.file = curproxy->conf.lfsd_file;
3292 curproxy->conf.args.line = curproxy->conf.lfsd_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003293 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02003294 if (!parse_logformat_string(curproxy->conf.logformat_sd_string, curproxy, &curproxy->logformat_sd,
3295 LOG_OPT_MANDATORY|LOG_OPT_MERGE_SPACES,
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003296 SMP_VAL_FE_LOG_END, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003297 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3298 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003299 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003300 cfgerr++;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003301 } else if (!add_to_logformat_list(NULL, NULL, LF_SEPARATOR, &curproxy->logformat_sd, &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003302 ha_alert("Parsing [%s:%d]: failed to parse log-format-sd : %s.\n",
3303 curproxy->conf.lfs_file, curproxy->conf.lfs_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003304 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003305 cfgerr++;
3306 }
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003307 curproxy->conf.args.file = NULL;
3308 curproxy->conf.args.line = 0;
3309 }
3310
Willy Tarreau62a61232013-04-12 18:13:46 +02003311 if (curproxy->conf.uniqueid_format_string) {
3312 curproxy->conf.args.ctx = ARGC_UIF;
3313 curproxy->conf.args.file = curproxy->conf.uif_file;
3314 curproxy->conf.args.line = curproxy->conf.uif_line;
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003315 err = NULL;
Dragan Dosen1e3b16f2020-06-23 18:16:44 +02003316 if (!parse_logformat_string(curproxy->conf.uniqueid_format_string, curproxy, &curproxy->format_unique_id,
3317 LOG_OPT_HTTP|LOG_OPT_MERGE_SPACES,
3318 (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR
3319 : SMP_VAL_BE_HRQ_HDR,
3320 &err)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003321 ha_alert("Parsing [%s:%d]: failed to parse unique-id : %s.\n",
3322 curproxy->conf.uif_file, curproxy->conf.uif_line, err);
Thierry FOURNIER / OZON.IO8a4e4422016-11-23 00:41:28 +01003323 free(err);
Thierry FOURNIER / OZON.IO59fd5112016-11-22 23:50:02 +01003324 cfgerr++;
3325 }
Willy Tarreau62a61232013-04-12 18:13:46 +02003326 curproxy->conf.args.file = NULL;
3327 curproxy->conf.args.line = 0;
3328 }
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003329
Thierry FOURNIER9eec0a62014-01-22 18:38:02 +01003330 /* only now we can check if some args remain unresolved.
3331 * This must be done after the users and groups resolution.
3332 */
Willy Tarreau77e6a4e2021-03-26 16:11:55 +01003333 err = NULL;
3334 i = smp_resolve_args(curproxy, &err);
3335 cfgerr += i;
3336 if (i) {
3337 indent_msg(&err, 8);
3338 ha_alert("%s%s\n", i > 1 ? "multiple argument resolution errors:" : "", err);
3339 ha_free(&err);
3340 } else
Willy Tarreaua4312fa2013-04-02 16:34:32 +02003341 cfgerr += acl_find_targets(curproxy);
Krzysztof Piotr Oledzkif9423ae2010-01-29 19:26:18 +01003342
Willy Tarreau2738a142006-07-08 17:28:09 +02003343 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Willy Tarreau0c303ee2008-07-07 00:09:58 +02003344 (((curproxy->cap & PR_CAP_FE) && !curproxy->timeout.client) ||
Willy Tarreaud825eef2007-05-12 22:35:00 +02003345 ((curproxy->cap & PR_CAP_BE) && (curproxy->srv) &&
Willy Tarreauce887fd2012-05-12 12:50:00 +02003346 (!curproxy->timeout.connect ||
3347 (!curproxy->timeout.server && (curproxy->mode == PR_MODE_HTTP || !curproxy->timeout.tunnel)))))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003348 ha_warning("config : missing timeouts for %s '%s'.\n"
3349 " | While not properly invalid, you will certainly encounter various problems\n"
3350 " | with such a configuration. To fix this, please ensure that all following\n"
3351 " | timeouts are set to a non-zero value: 'client', 'connect', 'server'.\n",
3352 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003353 err_code |= ERR_WARN;
Willy Tarreau2738a142006-07-08 17:28:09 +02003354 }
Willy Tarreauf3c69202006-07-09 16:42:34 +02003355
Willy Tarreau1fa31262007-12-03 00:36:16 +01003356 /* Historically, the tarpit and queue timeouts were inherited from contimeout.
3357 * We must still support older configurations, so let's find out whether those
3358 * parameters have been set or must be copied from contimeouts.
3359 */
Willy Tarreau937c3ea2021-02-12 11:14:35 +01003360 if (!curproxy->timeout.tarpit)
3361 curproxy->timeout.tarpit = curproxy->timeout.connect;
3362 if ((curproxy->cap & PR_CAP_BE) && !curproxy->timeout.queue)
3363 curproxy->timeout.queue = curproxy->timeout.connect;
Willy Tarreau1fa31262007-12-03 00:36:16 +01003364
Christopher Faulete5870d82020-04-15 11:32:03 +02003365 if ((curproxy->tcpcheck_rules.flags & TCPCHK_RULES_UNUSED_TCP_RS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003366 ha_warning("config : %s '%s' uses tcp-check rules without 'option tcp-check', so the rules are ignored.\n",
3367 proxy_type_str(curproxy), curproxy->id);
Willy Tarreau215663d2014-06-13 18:30:23 +02003368 err_code |= ERR_WARN;
3369 }
3370
Willy Tarreau193b8c62012-11-22 00:17:38 +01003371 /* ensure that cookie capture length is not too large */
3372 if (curproxy->capture_len >= global.tune.cookie_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003373 ha_warning("config : truncating capture length to %d bytes for %s '%s'.\n",
3374 global.tune.cookie_len - 1, proxy_type_str(curproxy), curproxy->id);
Willy Tarreau193b8c62012-11-22 00:17:38 +01003375 err_code |= ERR_WARN;
3376 curproxy->capture_len = global.tune.cookie_len - 1;
3377 }
3378
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003379 /* The small pools required for the capture lists */
Willy Tarreau9a54e132012-03-24 08:33:05 +01003380 if (curproxy->nb_req_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003381 curproxy->req_cap_pool = create_pool("ptrcap",
3382 curproxy->nb_req_cap * sizeof(char *),
3383 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003384 }
3385
3386 if (curproxy->nb_rsp_cap) {
Willy Tarreaud9ed3d22014-06-13 12:23:06 +02003387 curproxy->rsp_cap_pool = create_pool("ptrcap",
3388 curproxy->nb_rsp_cap * sizeof(char *),
3389 MEM_F_SHARED);
Willy Tarreau9a54e132012-03-24 08:33:05 +01003390 }
Willy Tarreaucf7f3202007-05-13 22:46:04 +02003391
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003392 switch (curproxy->load_server_state_from_file) {
3393 case PR_SRV_STATE_FILE_UNSPEC:
3394 curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
3395 break;
3396 case PR_SRV_STATE_FILE_GLOBAL:
3397 if (!global.server_state_file) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003398 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",
3399 curproxy->id);
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02003400 err_code |= ERR_WARN;
3401 }
3402 break;
3403 }
3404
Willy Tarreaubaaee002006-06-26 02:48:02 +02003405 /* first, we will invert the servers list order */
3406 newsrv = NULL;
3407 while (curproxy->srv) {
3408 struct server *next;
3409
3410 next = curproxy->srv->next;
3411 curproxy->srv->next = newsrv;
3412 newsrv = curproxy->srv;
3413 if (!next)
3414 break;
3415 curproxy->srv = next;
3416 }
3417
Willy Tarreau17edc812014-01-03 12:14:34 +01003418 /* Check that no server name conflicts. This causes trouble in the stats.
3419 * We only emit a warning for the first conflict affecting each server,
3420 * in order to avoid combinatory explosion if all servers have the same
3421 * name. We do that only for servers which do not have an explicit ID,
3422 * because these IDs were made also for distinguishing them and we don't
3423 * want to annoy people who correctly manage them.
3424 */
3425 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3426 struct server *other_srv;
3427
3428 if (newsrv->puid)
3429 continue;
3430
3431 for (other_srv = curproxy->srv; other_srv && other_srv != newsrv; other_srv = other_srv->next) {
3432 if (!other_srv->puid && strcmp(other_srv->id, newsrv->id) == 0) {
Willy Tarreaub01302f2019-05-27 19:31:06 +02003433 ha_alert("parsing [%s:%d] : %s '%s', another server named '%s' was already defined at line %d, please use distinct names.\n",
Christopher Faulet767a84b2017-11-24 16:50:31 +01003434 newsrv->conf.file, newsrv->conf.line,
3435 proxy_type_str(curproxy), curproxy->id,
3436 newsrv->id, other_srv->conf.line);
Willy Tarreaub01302f2019-05-27 19:31:06 +02003437 cfgerr++;
Willy Tarreau17edc812014-01-03 12:14:34 +01003438 break;
3439 }
3440 }
3441 }
3442
Willy Tarreaudd701652010-05-25 23:03:02 +02003443 /* assign automatic UIDs to servers which don't have one yet */
3444 next_id = 1;
3445 newsrv = curproxy->srv;
3446 while (newsrv != NULL) {
3447 if (!newsrv->puid) {
3448 /* server ID not set, use automatic numbering with first
3449 * spare entry starting with next_svid.
3450 */
3451 next_id = get_next_id(&curproxy->conf.used_server_id, next_id);
3452 newsrv->conf.id.key = newsrv->puid = next_id;
3453 eb32_insert(&curproxy->conf.used_server_id, &newsrv->conf.id);
Frédéric Lécaille84d60462019-05-17 14:29:15 +02003454 newsrv->conf.name.key = newsrv->id;
3455 ebis_insert(&curproxy->conf.used_server_name, &newsrv->conf.name);
Willy Tarreaudd701652010-05-25 23:03:02 +02003456 }
3457 next_id++;
3458 newsrv = newsrv->next;
3459 }
3460
Willy Tarreau20697042007-11-15 23:26:18 +01003461 curproxy->lbprm.wmult = 1; /* default weight multiplier */
Willy Tarreau5dc2fa62007-11-19 19:10:18 +01003462 curproxy->lbprm.wdiv = 1; /* default weight divider */
Willy Tarreaubaaee002006-06-26 02:48:02 +02003463
Willy Tarreau62c3be22012-01-20 13:12:32 +01003464 /*
3465 * If this server supports a maxconn parameter, it needs a dedicated
3466 * tasks to fill the emptied slots when a connection leaves.
3467 * Also, resolve deferred tracking dependency if needed.
3468 */
3469 newsrv = curproxy->srv;
3470 while (newsrv != NULL) {
3471 if (newsrv->minconn > newsrv->maxconn) {
3472 /* Only 'minconn' was specified, or it was higher than or equal
3473 * to 'maxconn'. Let's turn this into maxconn and clean it, as
3474 * this will avoid further useless expensive computations.
3475 */
3476 newsrv->maxconn = newsrv->minconn;
3477 } else if (newsrv->maxconn && !newsrv->minconn) {
3478 /* minconn was not specified, so we set it to maxconn */
3479 newsrv->minconn = newsrv->maxconn;
3480 }
3481
William Dauchyf6370442020-11-14 19:25:33 +01003482 /* this will also properly set the transport layer for
3483 * prod and checks
3484 * if default-server have use_ssl, prerare ssl init
3485 * without activating it */
3486 if (newsrv->use_ssl == 1 || newsrv->check.use_ssl == 1 ||
3487 (newsrv->proxy->options & PR_O_TCPCHK_SSL) ||
3488 (newsrv->use_ssl != 1 && curproxy->defsrv.use_ssl == 1)) {
Willy Tarreau17d45382016-12-22 21:16:08 +01003489 if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
3490 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(newsrv);
3491 }
Emeric Brun94324a42012-10-11 14:00:19 +02003492
Willy Tarreau034c88c2017-01-23 23:36:45 +01003493 if ((newsrv->flags & SRV_F_FASTOPEN) &&
3494 ((curproxy->retry_type & (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)) !=
3495 (PR_RE_DISCONNECTED | PR_RE_TIMEOUT)))
3496 ha_warning("parsing [%s:%d] : %s '%s': server '%s' has tfo activated, the backend should be configured with at least 'conn-failure', 'empty-response' and 'response-timeout' or we wouldn't be able to retry the connection on failure.\n",
3497 newsrv->conf.file, newsrv->conf.line,
3498 proxy_type_str(curproxy), curproxy->id,
3499 newsrv->id);
3500
Willy Tarreau62c3be22012-01-20 13:12:32 +01003501 if (newsrv->trackit) {
3502 struct proxy *px;
Willy Tarreau32091232014-05-16 13:52:00 +02003503 struct server *srv, *loop;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003504 char *pname, *sname;
3505
3506 pname = newsrv->trackit;
3507 sname = strrchr(pname, '/');
3508
3509 if (sname)
3510 *sname++ = '\0';
3511 else {
3512 sname = pname;
3513 pname = NULL;
3514 }
3515
3516 if (pname) {
Willy Tarreau9e0bb102015-05-26 11:24:42 +02003517 px = proxy_be_by_name(pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003518 if (!px) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003519 ha_alert("config : %s '%s', server '%s': unable to find required proxy '%s' for tracking.\n",
3520 proxy_type_str(curproxy), curproxy->id,
3521 newsrv->id, pname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003522 cfgerr++;
3523 goto next_srv;
3524 }
3525 } else
3526 px = curproxy;
3527
3528 srv = findserver(px, sname);
3529 if (!srv) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003530 ha_alert("config : %s '%s', server '%s': unable to find required server '%s' for tracking.\n",
3531 proxy_type_str(curproxy), curproxy->id,
3532 newsrv->id, sname);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003533 cfgerr++;
3534 goto next_srv;
3535 }
3536
Christopher Faulet8892e5d2020-03-26 19:48:20 +01003537 if (!srv->do_check && !srv->do_agent && !srv->track && !srv->trackit) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003538 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for "
3539 "tracking as it does not have any check nor agent enabled.\n",
3540 proxy_type_str(curproxy), curproxy->id,
3541 newsrv->id, px->id, srv->id);
Willy Tarreau32091232014-05-16 13:52:00 +02003542 cfgerr++;
3543 goto next_srv;
3544 }
3545
3546 for (loop = srv->track; loop && loop != newsrv; loop = loop->track);
3547
Frédéric Lécaille2efc6492017-03-14 14:32:17 +01003548 if (newsrv == srv || loop) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003549 ha_alert("config : %s '%s', server '%s': unable to track %s/%s as it "
3550 "belongs to a tracking chain looping back to %s/%s.\n",
3551 proxy_type_str(curproxy), curproxy->id,
3552 newsrv->id, px->id, srv->id, px->id,
3553 newsrv == srv ? srv->id : loop->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003554 cfgerr++;
3555 goto next_srv;
3556 }
3557
3558 if (curproxy != px &&
3559 (curproxy->options & PR_O_DISABLE404) != (px->options & PR_O_DISABLE404)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003560 ha_alert("config : %s '%s', server '%s': unable to use %s/%s for"
3561 "tracking: disable-on-404 option inconsistency.\n",
3562 proxy_type_str(curproxy), curproxy->id,
3563 newsrv->id, px->id, srv->id);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003564 cfgerr++;
3565 goto next_srv;
3566 }
3567
Willy Tarreau62c3be22012-01-20 13:12:32 +01003568 newsrv->track = srv;
Willy Tarreau1a53a3a2013-12-11 15:27:05 +01003569 newsrv->tracknext = srv->trackers;
3570 srv->trackers = newsrv;
Willy Tarreau62c3be22012-01-20 13:12:32 +01003571
Willy Tarreau61cfdf42021-02-20 10:46:51 +01003572 ha_free(&newsrv->trackit);
Willy Tarreau62c3be22012-01-20 13:12:32 +01003573 }
Baptiste Assmanna68ca962015-04-14 01:15:08 +02003574
Willy Tarreau62c3be22012-01-20 13:12:32 +01003575 next_srv:
3576 newsrv = newsrv->next;
3577 }
3578
Olivier Houchard4e694042017-03-14 20:01:29 +01003579 /*
3580 * Try to generate dynamic cookies for servers now.
3581 * It couldn't be done earlier, since at the time we parsed
3582 * the server line, we may not have known yet that we
3583 * should use dynamic cookies, or the secret key may not
3584 * have been provided yet.
3585 */
3586 if (curproxy->ck_opts & PR_CK_DYNAMIC) {
3587 newsrv = curproxy->srv;
3588 while (newsrv != NULL) {
3589 srv_set_dyncookie(newsrv);
3590 newsrv = newsrv->next;
3591 }
3592
3593 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003594 /* We have to initialize the server lookup mechanism depending
Joseph Herlanta14c03e2018-11-15 14:04:19 -08003595 * on what LB algorithm was chosen.
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003596 */
3597
3598 curproxy->lbprm.algo &= ~(BE_LB_LKUP | BE_LB_PROP_DYN);
3599 switch (curproxy->lbprm.algo & BE_LB_KIND) {
3600 case BE_LB_KIND_RR:
Willy Tarreau9757a382009-10-03 12:56:50 +02003601 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_STATIC) {
3602 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3603 init_server_map(curproxy);
Willy Tarreau760e81d2018-05-03 07:20:40 +02003604 } else if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_RR_RANDOM) {
3605 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3606 chash_init_server_tree(curproxy);
Willy Tarreau9757a382009-10-03 12:56:50 +02003607 } else {
3608 curproxy->lbprm.algo |= BE_LB_LKUP_RRTREE | BE_LB_PROP_DYN;
3609 fwrr_init_server_groups(curproxy);
3610 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003611 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003612
Willy Tarreau3ebb1162012-02-13 16:57:44 +01003613 case BE_LB_KIND_CB:
Willy Tarreauf09c6602012-02-13 17:12:08 +01003614 if ((curproxy->lbprm.algo & BE_LB_PARM) == BE_LB_CB_LC) {
3615 curproxy->lbprm.algo |= BE_LB_LKUP_LCTREE | BE_LB_PROP_DYN;
3616 fwlc_init_server_tree(curproxy);
3617 } else {
3618 curproxy->lbprm.algo |= BE_LB_LKUP_FSTREE | BE_LB_PROP_DYN;
3619 fas_init_server_tree(curproxy);
3620 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003621 break;
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003622
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003623 case BE_LB_KIND_HI:
Willy Tarreau6b2e11b2009-10-01 07:52:15 +02003624 if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS) {
3625 curproxy->lbprm.algo |= BE_LB_LKUP_CHTREE | BE_LB_PROP_DYN;
3626 chash_init_server_tree(curproxy);
3627 } else {
3628 curproxy->lbprm.algo |= BE_LB_LKUP_MAP;
3629 init_server_map(curproxy);
3630 }
Willy Tarreauf3e49f92009-10-03 12:21:20 +02003631 break;
3632 }
Willy Tarreaucd10def2020-10-17 18:48:47 +02003633 HA_RWLOCK_INIT(&curproxy->lbprm.lock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02003634
3635 if (curproxy->options & PR_O_LOGASAP)
3636 curproxy->to_log &= ~LW_BYTES;
3637
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003638 if ((curproxy->mode == PR_MODE_TCP || curproxy->mode == PR_MODE_HTTP) &&
Dragan Dosen0b85ece2015-09-25 19:17:44 +02003639 (curproxy->cap & PR_CAP_FE) && LIST_ISEMPTY(&curproxy->logsrvs) &&
3640 (!LIST_ISEMPTY(&curproxy->logformat) || !LIST_ISEMPTY(&curproxy->logformat_sd))) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003641 ha_warning("config : log format ignored for %s '%s' since it has no log address.\n",
3642 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue7ded1f2009-08-09 10:11:45 +02003643 err_code |= ERR_WARN;
3644 }
3645
Christopher Faulet3b6446f2021-03-15 15:10:38 +01003646 if (curproxy->mode != PR_MODE_HTTP && !(curproxy->options & PR_O_HTTP_UPG)) {
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003647 int optnum;
3648
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003649 if (curproxy->uri_auth) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003650 ha_warning("config : 'stats' statement ignored for %s '%s' as it requires HTTP mode.\n",
3651 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003652 err_code |= ERR_WARN;
3653 curproxy->uri_auth = NULL;
3654 }
3655
Willy Tarreaude7dc882017-03-10 11:49:21 +01003656 if (curproxy->capture_name) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003657 ha_warning("config : 'capture' statement ignored for %s '%s' as it requires HTTP mode.\n",
3658 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003659 err_code |= ERR_WARN;
3660 }
3661
3662 if (!LIST_ISEMPTY(&curproxy->http_req_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003663 ha_warning("config : 'http-request' rules ignored for %s '%s' as they require HTTP mode.\n",
3664 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003665 err_code |= ERR_WARN;
3666 }
3667
3668 if (!LIST_ISEMPTY(&curproxy->http_res_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003669 ha_warning("config : 'http-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3670 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003671 err_code |= ERR_WARN;
3672 }
3673
Christopher Fauletbb7abed2021-03-15 15:09:21 +01003674 if (!LIST_ISEMPTY(&curproxy->http_after_res_rules)) {
3675 ha_warning("config : 'http-after-response' rules ignored for %s '%s' as they require HTTP mode.\n",
3676 proxy_type_str(curproxy), curproxy->id);
3677 err_code |= ERR_WARN;
3678 }
3679
Willy Tarreaude7dc882017-03-10 11:49:21 +01003680 if (!LIST_ISEMPTY(&curproxy->redirect_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003681 ha_warning("config : 'redirect' rules ignored for %s '%s' as they require HTTP mode.\n",
3682 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaude7dc882017-03-10 11:49:21 +01003683 err_code |= ERR_WARN;
3684 }
3685
Willy Tarreau87cf5142011-08-19 22:57:24 +02003686 if (curproxy->options & (PR_O_FWDFOR | PR_O_FF_ALWAYS)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003687 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3688 "forwardfor", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003689 err_code |= ERR_WARN;
Willy Tarreau87cf5142011-08-19 22:57:24 +02003690 curproxy->options &= ~(PR_O_FWDFOR | PR_O_FF_ALWAYS);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003691 }
3692
3693 if (curproxy->options & PR_O_ORGTO) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003694 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3695 "originalto", proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003696 err_code |= ERR_WARN;
3697 curproxy->options &= ~PR_O_ORGTO;
3698 }
3699
3700 for (optnum = 0; cfg_opts[optnum].name; optnum++) {
3701 if (cfg_opts[optnum].mode == PR_MODE_HTTP &&
3702 (curproxy->cap & cfg_opts[optnum].cap) &&
3703 (curproxy->options & cfg_opts[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003704 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3705 cfg_opts[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003706 err_code |= ERR_WARN;
3707 curproxy->options &= ~cfg_opts[optnum].val;
3708 }
3709 }
3710
3711 for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
3712 if (cfg_opts2[optnum].mode == PR_MODE_HTTP &&
3713 (curproxy->cap & cfg_opts2[optnum].cap) &&
3714 (curproxy->options2 & cfg_opts2[optnum].val)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003715 ha_warning("config : 'option %s' ignored for %s '%s' as it requires HTTP mode.\n",
3716 cfg_opts2[optnum].name, proxy_type_str(curproxy), curproxy->id);
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003717 err_code |= ERR_WARN;
3718 curproxy->options2 &= ~cfg_opts2[optnum].val;
3719 }
3720 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003721
Willy Tarreau29fbe512015-08-20 19:35:14 +02003722#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003723 if (curproxy->conn_src.bind_hdr_occ) {
3724 curproxy->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003725 ha_warning("config : %s '%s' : ignoring use of header %s as source IP in non-HTTP mode.\n",
3726 proxy_type_str(curproxy), curproxy->id, curproxy->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003727 err_code |= ERR_WARN;
3728 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003729#endif
Willy Tarreaue24fdfb2010-03-25 07:22:56 +01003730 }
3731
Willy Tarreaubaaee002006-06-26 02:48:02 +02003732 /*
Willy Tarreau21d2af32008-02-14 20:25:24 +01003733 * ensure that we're not cross-dressing a TCP server into HTTP.
3734 */
3735 newsrv = curproxy->srv;
3736 while (newsrv != NULL) {
Willy Tarreau0cec3312011-10-31 13:49:26 +01003737 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->rdr_len) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003738 ha_alert("config : %s '%s' : server cannot have cookie or redirect prefix in non-HTTP mode.\n",
3739 proxy_type_str(curproxy), curproxy->id);
Willy Tarreaubb925012009-07-23 13:36:36 +02003740 cfgerr++;
Willy Tarreau21d2af32008-02-14 20:25:24 +01003741 }
Willy Tarreaubce70882009-09-07 11:51:47 +02003742
Willy Tarreau0cec3312011-10-31 13:49:26 +01003743 if ((curproxy->mode != PR_MODE_HTTP) && newsrv->cklen) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003744 ha_warning("config : %s '%s' : ignoring cookie for server '%s' as HTTP mode is disabled.\n",
3745 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau0cec3312011-10-31 13:49:26 +01003746 err_code |= ERR_WARN;
3747 }
3748
Willy Tarreauc93cd162014-05-13 15:54:22 +02003749 if ((newsrv->flags & SRV_F_MAPPORTS) && (curproxy->options2 & PR_O2_RDPC_PRST)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003750 ha_warning("config : %s '%s' : RDP cookie persistence will not work for server '%s' because it lacks an explicit port number.\n",
3751 proxy_type_str(curproxy), curproxy->id, newsrv->id);
Willy Tarreau82ffa392013-08-13 17:19:08 +02003752 err_code |= ERR_WARN;
3753 }
3754
Willy Tarreau29fbe512015-08-20 19:35:14 +02003755#if defined(CONFIG_HAP_TRANSPARENT)
Willy Tarreauef9a3602012-12-08 22:29:20 +01003756 if (curproxy->mode != PR_MODE_HTTP && newsrv->conn_src.bind_hdr_occ) {
3757 newsrv->conn_src.bind_hdr_occ = 0;
Christopher Faulet767a84b2017-11-24 16:50:31 +01003758 ha_warning("config : %s '%s' : server %s cannot use header %s as source IP in non-HTTP mode.\n",
3759 proxy_type_str(curproxy), curproxy->id, newsrv->id, newsrv->conn_src.bind_hdr_name);
Willy Tarreaubce70882009-09-07 11:51:47 +02003760 err_code |= ERR_WARN;
3761 }
Willy Tarreauefa5f512010-03-30 20:13:29 +02003762#endif
Willy Tarreau4c183462017-01-06 12:21:38 +01003763
Willy Tarreau46deab62018-04-28 07:18:15 +02003764 if ((curproxy->mode != PR_MODE_HTTP) && (curproxy->options & PR_O_REUSE_MASK) != PR_O_REUSE_NEVR)
3765 curproxy->options &= ~PR_O_REUSE_MASK;
3766
Willy Tarreau21d2af32008-02-14 20:25:24 +01003767 newsrv = newsrv->next;
3768 }
3769
Christopher Fauletd7c91962015-04-30 11:48:27 +02003770 /* Check filter configuration, if any */
3771 cfgerr += flt_check(curproxy);
3772
Willy Tarreauc1a21672009-08-16 22:37:44 +02003773 if (curproxy->cap & PR_CAP_FE) {
Willy Tarreau050536d2012-10-04 08:47:34 +02003774 if (!curproxy->accept)
3775 curproxy->accept = frontend_accept;
Willy Tarreau81f9aa32010-06-01 17:45:26 +02003776
Willy Tarreauc1a21672009-08-16 22:37:44 +02003777 if (curproxy->tcp_req.inspect_delay ||
3778 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
Willy Tarreaufb356202010-08-03 14:02:05 +02003779 curproxy->fe_req_ana |= AN_REQ_INSPECT_FE;
Willy Tarreauc1a21672009-08-16 22:37:44 +02003780
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003781 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003782 curproxy->fe_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_PROCESS_FE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003783 curproxy->fe_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_FE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003784 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003785
William Lallemandcf62f7e2018-10-26 14:47:40 +02003786 if (curproxy->mode == PR_MODE_CLI) {
3787 curproxy->fe_req_ana |= AN_REQ_WAIT_CLI;
3788 curproxy->fe_rsp_ana |= AN_RES_WAIT_CLI;
3789 }
3790
Willy Tarreauc1a21672009-08-16 22:37:44 +02003791 /* both TCP and HTTP must check switching rules */
3792 curproxy->fe_req_ana |= AN_REQ_SWITCHING_RULES;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003793
3794 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003795 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003796 curproxy->fe_req_ana |= AN_REQ_FLT_START_FE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3797 curproxy->fe_rsp_ana |= AN_RES_FLT_START_FE | AN_RES_FLT_XFER_DATA | AN_RES_FLT_END;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003798 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003799 }
3800
3801 if (curproxy->cap & PR_CAP_BE) {
Willy Tarreaufb356202010-08-03 14:02:05 +02003802 if (curproxy->tcp_req.inspect_delay ||
3803 !LIST_ISEMPTY(&curproxy->tcp_req.inspect_rules))
3804 curproxy->be_req_ana |= AN_REQ_INSPECT_BE;
3805
Emeric Brun97679e72010-09-23 17:56:44 +02003806 if (!LIST_ISEMPTY(&curproxy->tcp_rep.inspect_rules))
3807 curproxy->be_rsp_ana |= AN_RES_INSPECT;
3808
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003809 if (curproxy->mode == PR_MODE_HTTP) {
Willy Tarreauc1a21672009-08-16 22:37:44 +02003810 curproxy->be_req_ana |= AN_REQ_WAIT_HTTP | AN_REQ_HTTP_INNER | AN_REQ_HTTP_PROCESS_BE;
Willy Tarreaub37c27e2009-10-18 22:53:08 +02003811 curproxy->be_rsp_ana |= AN_RES_WAIT_HTTP | AN_RES_HTTP_PROCESS_BE;
Willy Tarreau4e5b8282009-08-16 22:57:50 +02003812 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003813
3814 /* If the backend does requires RDP cookie persistence, we have to
3815 * enable the corresponding analyser.
3816 */
3817 if (curproxy->options2 & PR_O2_RDPC_PRST)
3818 curproxy->be_req_ana |= AN_REQ_PRST_RDP_COOKIE;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003819
3820 /* Add filters analyzers if needed */
Christopher Faulet443ea1a2016-02-04 13:40:26 +01003821 if (!LIST_ISEMPTY(&curproxy->filter_configs)) {
Christopher Faulet0184ea72017-01-05 14:06:34 +01003822 curproxy->be_req_ana |= AN_REQ_FLT_START_BE | AN_REQ_FLT_XFER_DATA | AN_REQ_FLT_END;
3823 curproxy->be_rsp_ana |= AN_RES_FLT_START_BE | AN_RES_FLT_XFER_DATA | AN_RES_FLT_END;
Christopher Fauletd7c91962015-04-30 11:48:27 +02003824 }
Willy Tarreauc1a21672009-08-16 22:37:44 +02003825 }
Christopher Fauleta717b992018-04-10 14:43:00 +02003826
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003827 /* Check the mux protocols, if any, for each listener and server
Christopher Fauleta717b992018-04-10 14:43:00 +02003828 * attached to the current proxy */
3829 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3830 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003831 const struct mux_proto_list *mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003832
3833 if (!bind_conf->mux_proto)
3834 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003835
3836 /* it is possible that an incorrect mux was referenced
3837 * due to the proxy's mode not being taken into account
3838 * on first pass. Let's adjust it now.
3839 */
3840 mux_ent = conn_get_best_mux_entry(bind_conf->mux_proto->token, PROTO_SIDE_FE, mode);
3841
3842 if (!mux_ent || !isteq(mux_ent->token, bind_conf->mux_proto->token)) {
Christopher Fauleta717b992018-04-10 14:43:00 +02003843 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for 'bind %s' at [%s:%d].\n",
3844 proxy_type_str(curproxy), curproxy->id,
3845 (int)bind_conf->mux_proto->token.len,
3846 bind_conf->mux_proto->token.ptr,
3847 bind_conf->arg, bind_conf->file, bind_conf->line);
3848 cfgerr++;
3849 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003850
3851 /* update the mux */
3852 bind_conf->mux_proto = mux_ent;
Christopher Fauleta717b992018-04-10 14:43:00 +02003853 }
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003854 for (newsrv = curproxy->srv; newsrv; newsrv = newsrv->next) {
3855 int mode = (1 << (curproxy->mode == PR_MODE_HTTP));
Willy Tarreau76a551d2018-12-02 13:09:09 +01003856 const struct mux_proto_list *mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003857
3858 if (!newsrv->mux_proto)
3859 continue;
Willy Tarreau76a551d2018-12-02 13:09:09 +01003860
3861 /* it is possible that an incorrect mux was referenced
3862 * due to the proxy's mode not being taken into account
3863 * on first pass. Let's adjust it now.
3864 */
3865 mux_ent = conn_get_best_mux_entry(newsrv->mux_proto->token, PROTO_SIDE_BE, mode);
3866
3867 if (!mux_ent || !isteq(mux_ent->token, newsrv->mux_proto->token)) {
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003868 ha_alert("config : %s '%s' : MUX protocol '%.*s' is not usable for server '%s' at [%s:%d].\n",
3869 proxy_type_str(curproxy), curproxy->id,
3870 (int)newsrv->mux_proto->token.len,
3871 newsrv->mux_proto->token.ptr,
3872 newsrv->id, newsrv->conf.file, newsrv->conf.line);
3873 cfgerr++;
3874 }
Willy Tarreau76a551d2018-12-02 13:09:09 +01003875
3876 /* update the mux */
3877 newsrv->mux_proto = mux_ent;
Christopher Faulet8ed0a3e2018-04-10 14:45:45 +02003878 }
Willy Tarreau4cdac162021-03-05 10:48:42 +01003879 }
Willy Tarreau835daa12019-02-07 14:46:29 +01003880
Willy Tarreau4cdac162021-03-05 10:48:42 +01003881 /***********************************************************/
3882 /* At this point, target names have already been resolved. */
3883 /***********************************************************/
Willy Tarreau835daa12019-02-07 14:46:29 +01003884
Willy Tarreau4cdac162021-03-05 10:48:42 +01003885 /* we must finish to initialize certain things on the servers */
Willy Tarreau835daa12019-02-07 14:46:29 +01003886
Willy Tarreau4cdac162021-03-05 10:48:42 +01003887 list_for_each_entry(newsrv, &servers_list, global_list) {
3888 /* initialize idle conns lists */
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003889 newsrv->per_thr = calloc(global.nbthread, sizeof(*newsrv->per_thr));
3890 if (!newsrv->per_thr) {
3891 ha_alert("parsing [%s:%d] : failed to allocate per-thread lists for server '%s'.\n",
3892 newsrv->conf.file, newsrv->conf.line, newsrv->id);
Willy Tarreau4cdac162021-03-05 10:48:42 +01003893 cfgerr++;
3894 continue;
3895 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003896
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003897 for (i = 0; i < global.nbthread; i++) {
3898 newsrv->per_thr[i].idle_conns = EB_ROOT;
3899 newsrv->per_thr[i].safe_conns = EB_ROOT;
3900 newsrv->per_thr[i].avail_conns = EB_ROOT;
Willy Tarreaud4e78d82021-03-04 10:47:54 +01003901 MT_LIST_INIT(&newsrv->per_thr[i].streams);
Willy Tarreau430bf4a2021-03-04 09:45:32 +01003902 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003903
Willy Tarreau4cdac162021-03-05 10:48:42 +01003904 if (newsrv->max_idle_conns != 0) {
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003905 newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
3906 if (!newsrv->curr_idle_thr) {
3907 ha_alert("parsing [%s:%d] : failed to allocate idle connection tasks for server '%s'.\n",
3908 newsrv->conf.file, newsrv->conf.line, newsrv->id);
3909 cfgerr++;
3910 continue;
3911 }
3912 }
3913 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003914
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003915 idle_conn_task = task_new(MAX_THREADS_MASK);
3916 if (!idle_conn_task) {
3917 ha_alert("parsing : failed to allocate global idle connection task.\n");
3918 cfgerr++;
3919 }
3920 else {
3921 idle_conn_task->process = srv_cleanup_idle_conns;
3922 idle_conn_task->context = NULL;
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003923
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003924 for (i = 0; i < global.nbthread; i++) {
3925 idle_conns[i].cleanup_task = task_new(1UL << i);
3926 if (!idle_conns[i].cleanup_task) {
3927 ha_alert("parsing : failed to allocate idle connection tasks for thread '%d'.\n", i);
3928 cfgerr++;
3929 break;
Willy Tarreau4cdac162021-03-05 10:48:42 +01003930 }
Olivier Houcharddc2f2752020-02-13 19:12:07 +01003931
Amaury Denoyelle3efee652021-03-08 17:31:39 +01003932 idle_conns[i].cleanup_task->process = srv_cleanup_toremove_conns;
3933 idle_conns[i].cleanup_task->context = NULL;
3934 HA_SPIN_INIT(&idle_conns[i].idle_conns_lock);
3935 MT_LIST_INIT(&idle_conns[i].toremove_conns);
Willy Tarreau835daa12019-02-07 14:46:29 +01003936 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003937 }
3938
Willy Tarreau419ead82014-09-16 13:41:21 +02003939 /* Check multi-process mode compatibility */
3940
Willy Tarreau4975d142021-03-13 11:00:33 +01003941 if (global.nbproc > 1 && global.cli_fe) {
3942 list_for_each_entry(bind_conf, &global.cli_fe->conf.bind, by_fe) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003943 unsigned long mask;
3944
Willy Tarreau4975d142021-03-13 11:00:33 +01003945 mask = proc_mask(global.cli_fe->bind_proc) && all_proc_mask;
Willy Tarreaue26993c2020-09-03 07:18:55 +02003946 mask &= proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003947
3948 /* stop here if more than one process is used */
Willy Tarreau9504dd62018-10-15 09:37:03 +02003949 if (atleast2(mask))
Willy Tarreau419ead82014-09-16 13:41:21 +02003950 break;
3951 }
Willy Tarreau4975d142021-03-13 11:00:33 +01003952 if (&bind_conf->by_fe != &global.cli_fe->conf.bind) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01003953 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 +02003954 }
3955 }
3956
3957 /* Make each frontend inherit bind-process from its listeners when not specified. */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003958 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003959 if (curproxy->bind_proc)
3960 continue;
3961
3962 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
3963 unsigned long mask;
3964
Willy Tarreaue26993c2020-09-03 07:18:55 +02003965 mask = proc_mask(bind_conf->settings.bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003966 curproxy->bind_proc |= mask;
3967 }
Willy Tarreau6daac192019-02-02 17:39:53 +01003968 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003969 }
3970
Willy Tarreau4975d142021-03-13 11:00:33 +01003971 if (global.cli_fe) {
3972 list_for_each_entry(bind_conf, &global.cli_fe->conf.bind, by_fe) {
Willy Tarreau419ead82014-09-16 13:41:21 +02003973 unsigned long mask;
3974
Willy Tarreaue26993c2020-09-03 07:18:55 +02003975 mask = bind_conf->settings.bind_proc ? bind_conf->settings.bind_proc : 0;
Willy Tarreau4975d142021-03-13 11:00:33 +01003976 global.cli_fe->bind_proc |= mask;
Willy Tarreau419ead82014-09-16 13:41:21 +02003977 }
Willy Tarreau4975d142021-03-13 11:00:33 +01003978 global.cli_fe->bind_proc = proc_mask(global.cli_fe->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003979 }
3980
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003981 /* propagate bindings from frontends to backends. Don't do it if there
3982 * are any fatal errors as we must not call it with unresolved proxies.
3983 */
3984 if (!cfgerr) {
Olivier Houchardfbc74e82017-11-24 16:54:05 +01003985 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauacbe8ab2014-10-01 20:50:17 +02003986 if (curproxy->cap & PR_CAP_FE)
3987 propagate_processes(curproxy, NULL);
3988 }
Willy Tarreau419ead82014-09-16 13:41:21 +02003989 }
3990
3991 /* Bind each unbound backend to all processes when not specified. */
Willy Tarreau6daac192019-02-02 17:39:53 +01003992 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
3993 curproxy->bind_proc = proc_mask(curproxy->bind_proc);
Willy Tarreau419ead82014-09-16 13:41:21 +02003994
3995 /*******************************************************/
3996 /* At this step, all proxies have a non-null bind_proc */
3997 /*******************************************************/
3998
3999 /* perform the final checks before creating tasks */
4000
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004001 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreau419ead82014-09-16 13:41:21 +02004002 struct listener *listener;
4003 unsigned int next_id;
Willy Tarreauc1a21672009-08-16 22:37:44 +02004004
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02004005 /* Configure SSL for each bind line.
4006 * Note: if configuration fails at some point, the ->ctx member
4007 * remains NULL so that listeners can later detach.
4008 */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02004009 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau55d37912016-12-21 23:38:39 +01004010 if (bind_conf->xprt->prepare_bind_conf &&
4011 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02004012 cfgerr++;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02004013 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02004014
Willy Tarreaue6b98942007-10-29 01:09:36 +01004015 /* adjust this proxy's listeners */
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02004016 next_id = 1;
Willy Tarreau4348fad2012-09-20 16:48:07 +02004017 list_for_each_entry(listener, &curproxy->conf.listeners, by_fe) {
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02004018 int nbproc;
4019
4020 nbproc = my_popcountl(curproxy->bind_proc &
Willy Tarreaue26993c2020-09-03 07:18:55 +02004021 (listener->bind_conf->settings.bind_proc ? listener->bind_conf->settings.bind_proc : curproxy->bind_proc) &
Willy Tarreaua38a7172019-02-02 17:11:28 +01004022 all_proc_mask);
Willy Tarreau7c0ffd22016-04-14 11:47:38 +02004023
4024 if (!nbproc) /* no intersection between listener and frontend */
4025 nbproc = 1;
4026
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02004027 if (!listener->luid) {
4028 /* listener ID not set, use automatic numbering with first
4029 * spare entry starting with next_luid.
4030 */
4031 next_id = get_next_id(&curproxy->conf.used_listener_id, next_id);
4032 listener->conf.id.key = listener->luid = next_id;
4033 eb32_insert(&curproxy->conf.used_listener_id, &listener->conf.id);
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02004034 }
Krzysztof Piotr Oledzkidf5cb9f2010-02-05 20:58:27 +01004035 next_id++;
Willy Tarreau53fb4ae2009-10-04 23:04:08 +02004036
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02004037 /* enable separate counters */
4038 if (curproxy->options2 & PR_O2_SOCKSTAT) {
Willy Tarreauae9bea02016-11-25 14:44:52 +01004039 listener->counters = calloc(1, sizeof(*listener->counters));
Willy Tarreau19d14ef2012-10-29 16:51:55 +01004040 if (!listener->name)
4041 memprintf(&listener->name, "sock-%d", listener->luid);
Krzysztof Piotr Oledzkiaeebf9b2009-10-04 15:43:17 +02004042 }
Willy Tarreau81796be2012-09-22 19:11:47 +02004043
Willy Tarreaue6b98942007-10-29 01:09:36 +01004044 if (curproxy->options & PR_O_TCP_NOLING)
4045 listener->options |= LI_O_NOLINGER;
Willy Tarreau16a21472012-11-19 12:39:59 +01004046 if (!listener->maxaccept)
Willy Tarreau66161322021-02-19 15:50:27 +01004047 listener->maxaccept = global.tune.maxaccept ? global.tune.maxaccept : MAX_ACCEPT;
Willy Tarreau16a21472012-11-19 12:39:59 +01004048
4049 /* we want to have an optimal behaviour on single process mode to
4050 * maximize the work at once, but in multi-process we want to keep
4051 * some fairness between processes, so we target half of the max
4052 * number of events to be balanced over all the processes the proxy
Ilya Shipitsin6fb0f212020-04-02 15:25:26 +05004053 * is bound to. Remember that maxaccept = -1 must be kept as it is
Willy Tarreau16a21472012-11-19 12:39:59 +01004054 * used to disable the limit.
4055 */
Christopher Faulet02f3cf12019-04-30 14:08:41 +02004056 if (listener->maxaccept > 0 && nbproc > 1) {
4057 listener->maxaccept = (listener->maxaccept + 1) / 2;
Willy Tarreau16a21472012-11-19 12:39:59 +01004058 listener->maxaccept = (listener->maxaccept + nbproc - 1) / nbproc;
4059 }
4060
Willy Tarreau9903f0e2015-04-04 18:50:31 +02004061 listener->accept = session_accept_fd;
Willy Tarreauc1a21672009-08-16 22:37:44 +02004062 listener->analysers |= curproxy->fe_req_ana;
Willy Tarreau10b688f2015-03-13 16:43:12 +01004063 listener->default_target = curproxy->default_target;
Willy Tarreau3bc13772008-12-07 11:50:35 +01004064
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02004065 if (!LIST_ISEMPTY(&curproxy->tcp_req.l4_rules))
Willy Tarreau7d9736f2016-10-21 16:34:21 +02004066 listener->options |= LI_O_TCP_L4_RULES;
Willy Tarreaua5c0ab22010-05-31 10:30:33 +02004067
Willy Tarreau620408f2016-10-21 16:37:51 +02004068 if (!LIST_ISEMPTY(&curproxy->tcp_req.l5_rules))
4069 listener->options |= LI_O_TCP_L5_RULES;
4070
Willy Tarreau9ea05a72009-06-14 12:07:01 +02004071 /* smart accept mode is automatic in HTTP mode */
4072 if ((curproxy->options2 & PR_O2_SMARTACC) ||
Willy Tarreau2a65ff02012-09-13 17:54:29 +02004073 ((curproxy->mode == PR_MODE_HTTP || listener->bind_conf->is_ssl) &&
Willy Tarreau9ea05a72009-06-14 12:07:01 +02004074 !(curproxy->no_options2 & PR_O2_SMARTACC)))
4075 listener->options |= LI_O_NOQUICKACK;
Willy Tarreaue6b98942007-10-29 01:09:36 +01004076 }
4077
Willy Tarreau2a65ff02012-09-13 17:54:29 +02004078 /* Release unused SSL configs */
4079 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreau795cdab2016-12-22 17:30:54 +01004080 if (!bind_conf->is_ssl && bind_conf->xprt->destroy_bind_conf)
4081 bind_conf->xprt->destroy_bind_conf(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02004082 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02004083
Willy Tarreaua38a7172019-02-02 17:11:28 +01004084 if (atleast2(curproxy->bind_proc & all_proc_mask)) {
Willy Tarreau102df612014-05-07 23:56:38 +02004085 if (curproxy->uri_auth) {
Willy Tarreaueb791e02014-09-16 15:11:04 +02004086 int count, maxproc = 0;
4087
4088 list_for_each_entry(bind_conf, &curproxy->conf.bind, by_fe) {
Willy Tarreaue26993c2020-09-03 07:18:55 +02004089 count = my_popcountl(bind_conf->settings.bind_proc);
Willy Tarreaueb791e02014-09-16 15:11:04 +02004090 if (count > maxproc)
4091 maxproc = count;
4092 }
4093 /* backends have 0, frontends have 1 or more */
4094 if (maxproc != 1)
Christopher Faulet767a84b2017-11-24 16:50:31 +01004095 ha_warning("Proxy '%s': in multi-process mode, stats will be"
4096 " limited to process assigned to the current request.\n",
4097 curproxy->id);
Willy Tarreaueb791e02014-09-16 15:11:04 +02004098
Willy Tarreau102df612014-05-07 23:56:38 +02004099 if (!LIST_ISEMPTY(&curproxy->uri_auth->admin_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004100 ha_warning("Proxy '%s': stats admin will not work correctly in multi-process mode.\n",
4101 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01004102 }
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01004103 }
Willy Tarreau102df612014-05-07 23:56:38 +02004104 if (!LIST_ISEMPTY(&curproxy->sticking_rules)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004105 ha_warning("Proxy '%s': sticking rules will not work correctly in multi-process mode.\n",
4106 curproxy->id);
Cyril Bonté02ff8ef2010-12-14 22:48:49 +01004107 }
4108 }
Willy Tarreau918ff602011-07-25 16:33:49 +02004109
4110 /* create the task associated with the proxy */
Emeric Brunc60def82017-09-27 14:59:38 +02004111 curproxy->task = task_new(MAX_THREADS_MASK);
Willy Tarreau918ff602011-07-25 16:33:49 +02004112 if (curproxy->task) {
4113 curproxy->task->context = curproxy;
4114 curproxy->task->process = manage_proxy;
Willy Tarreau918ff602011-07-25 16:33:49 +02004115 } else {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004116 ha_alert("Proxy '%s': no more memory when trying to allocate the management task\n",
4117 curproxy->id);
Willy Tarreau918ff602011-07-25 16:33:49 +02004118 cfgerr++;
4119 }
Willy Tarreaub369a042014-09-16 13:21:03 +02004120 }
4121
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01004122 /*
4123 * Recount currently required checks.
4124 */
4125
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004126 for (curproxy=proxies_list; curproxy; curproxy=curproxy->next) {
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01004127 int optnum;
4128
Willy Tarreau66aa61f2009-01-18 21:44:07 +01004129 for (optnum = 0; cfg_opts[optnum].name; optnum++)
4130 if (curproxy->options & cfg_opts[optnum].val)
4131 global.last_checks |= cfg_opts[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01004132
Willy Tarreau66aa61f2009-01-18 21:44:07 +01004133 for (optnum = 0; cfg_opts2[optnum].name; optnum++)
4134 if (curproxy->options2 & cfg_opts2[optnum].val)
4135 global.last_checks |= cfg_opts2[optnum].checks;
Krzysztof Oledzki336d4752007-12-25 02:40:22 +01004136 }
4137
Willy Tarreau0fca4832015-05-01 19:12:05 +02004138 /* compute the required process bindings for the peers */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004139 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next)
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004140 if (curproxy->table && curproxy->table->peers.p)
4141 curproxy->table->peers.p->peers_fe->bind_proc |= curproxy->bind_proc;
Willy Tarreau0fca4832015-05-01 19:12:05 +02004142
Frédéric Lécaille015e4d72019-03-19 14:55:01 +01004143 /* compute the required process bindings for the peers from <stktables_list>
4144 * for all the stick-tables, the ones coming with "peers" sections included.
4145 */
4146 for (t = stktables_list; t; t = t->next) {
4147 struct proxy *p;
4148
4149 for (p = t->proxies_list; p; p = p->next_stkt_ref) {
4150 if (t->peers.p && t->peers.p->peers_fe) {
4151 t->peers.p->peers_fe->bind_proc |= p->bind_proc;
4152 }
4153 }
4154 }
4155
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02004156 if (cfg_peers) {
4157 struct peers *curpeers = cfg_peers, **last;
Willy Tarreau122541c2011-09-07 21:24:49 +02004158 struct peer *p, *pb;
4159
William Lallemanda2cfd7e2020-03-24 16:02:48 +01004160 /* In the case the peers frontend was not initialized by a
4161 stick-table used in the configuration, set its bind_proc
4162 by default to the first process. */
4163 while (curpeers) {
William Lallemand3ef2d562020-03-24 16:42:15 +01004164 if (curpeers->peers_fe) {
4165 if (curpeers->peers_fe->bind_proc == 0)
4166 curpeers->peers_fe->bind_proc = 1;
4167 }
William Lallemanda2cfd7e2020-03-24 16:02:48 +01004168 curpeers = curpeers->next;
4169 }
4170
4171 curpeers = cfg_peers;
Willy Tarreau1e273012015-05-01 19:15:17 +02004172 /* Remove all peers sections which don't have a valid listener,
4173 * which are not used by any table, or which are bound to more
4174 * than one process.
Willy Tarreau122541c2011-09-07 21:24:49 +02004175 */
Frédéric Lécailleed2b4a62017-07-13 09:07:09 +02004176 last = &cfg_peers;
Willy Tarreau122541c2011-09-07 21:24:49 +02004177 while (*last) {
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01004178 struct stktable *t;
Willy Tarreau122541c2011-09-07 21:24:49 +02004179 curpeers = *last;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004180
Willy Tarreau1ad64ac2020-09-24 08:48:08 +02004181 if (curpeers->disabled) {
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004182 /* the "disabled" keyword was present */
4183 if (curpeers->peers_fe)
4184 stop_proxy(curpeers->peers_fe);
4185 curpeers->peers_fe = NULL;
4186 }
Frédéric Lécaille5a4fe5a2019-10-04 08:30:04 +02004187 else if (!curpeers->peers_fe || !curpeers->peers_fe->id) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004188 ha_warning("Removing incomplete section 'peers %s' (no peer named '%s').\n",
4189 curpeers->id, localpeer);
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01004190 if (curpeers->peers_fe)
4191 stop_proxy(curpeers->peers_fe);
4192 curpeers->peers_fe = NULL;
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004193 }
Willy Tarreau9504dd62018-10-15 09:37:03 +02004194 else if (atleast2(curpeers->peers_fe->bind_proc)) {
Willy Tarreau1e273012015-05-01 19:15:17 +02004195 /* either it's totally stopped or too much used */
4196 if (curpeers->peers_fe->bind_proc) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004197 ha_alert("Peers section '%s': peers referenced by sections "
4198 "running in different processes (%d different ones). "
4199 "Check global.nbproc and all tables' bind-process "
4200 "settings.\n", curpeers->id, my_popcountl(curpeers->peers_fe->bind_proc));
Willy Tarreau1e273012015-05-01 19:15:17 +02004201 cfgerr++;
4202 }
4203 stop_proxy(curpeers->peers_fe);
4204 curpeers->peers_fe = NULL;
4205 }
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004206 else {
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01004207 /* Initializes the transport layer of the server part of all the peers belonging to
4208 * <curpeers> section if required.
4209 * Note that ->srv is used by the local peer of a new process to connect to the local peer
4210 * of an old process.
4211 */
Frédéric Lécaille1055e682018-04-26 14:35:21 +02004212 p = curpeers->remote;
4213 while (p) {
Frédéric Lécaille355b2032019-01-11 14:06:12 +01004214 if (p->srv) {
Christopher Fauletf61f33a2020-03-27 18:55:49 +01004215 if (p->srv->use_ssl == 1 && xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->prepare_srv)
Frédéric Lécaille355b2032019-01-11 14:06:12 +01004216 cfgerr += xprt_get(XPRT_SSL)->prepare_srv(p->srv);
4217 }
Frédéric Lécaille1055e682018-04-26 14:35:21 +02004218 p = p->next;
4219 }
Frédéric Lécaille76d2cef2019-02-12 19:12:32 +01004220 /* Configure the SSL bindings of the local peer if required. */
4221 if (!LIST_ISEMPTY(&curpeers->peers_fe->conf.bind)) {
4222 struct list *l;
4223 struct bind_conf *bind_conf;
4224
4225 l = &curpeers->peers_fe->conf.bind;
4226 bind_conf = LIST_ELEM(l->n, typeof(bind_conf), by_fe);
4227 if (bind_conf->xprt->prepare_bind_conf &&
4228 bind_conf->xprt->prepare_bind_conf(bind_conf) < 0)
4229 cfgerr++;
4230 }
Frédéric Lécaille8d78fa72019-05-20 18:22:52 +02004231 if (!peers_init_sync(curpeers) || !peers_alloc_dcache(curpeers)) {
Willy Tarreaud9443442018-10-15 11:18:03 +02004232 ha_alert("Peers section '%s': out of memory, giving up on peers.\n",
4233 curpeers->id);
4234 cfgerr++;
4235 break;
4236 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004237 last = &curpeers->next;
4238 continue;
4239 }
4240
Willy Tarreau77e4bd12015-05-01 20:02:17 +02004241 /* clean what has been detected above */
Willy Tarreau122541c2011-09-07 21:24:49 +02004242 p = curpeers->remote;
4243 while (p) {
4244 pb = p->next;
4245 free(p->id);
4246 free(p);
4247 p = pb;
4248 }
4249
4250 /* Destroy and unlink this curpeers section.
4251 * Note: curpeers is backed up into *last.
4252 */
4253 free(curpeers->id);
4254 curpeers = curpeers->next;
Frédéric Lécaille87eacbb2020-03-24 20:08:30 +01004255 /* Reset any refereance to this peers section in the list of stick-tables */
4256 for (t = stktables_list; t; t = t->next) {
4257 if (t->peers.p && t->peers.p == *last)
4258 t->peers.p = NULL;
4259 }
Willy Tarreau122541c2011-09-07 21:24:49 +02004260 free(*last);
4261 *last = curpeers;
4262 }
4263 }
4264
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004265 for (t = stktables_list; t; t = t->next) {
4266 if (t->proxy)
4267 continue;
4268 if (!stktable_init(t)) {
4269 ha_alert("Proxy '%s': failed to initialize stick-table.\n", t->id);
4270 cfgerr++;
4271 }
4272 }
4273
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004274 /* initialize stick-tables on backend capable proxies. This must not
4275 * be done earlier because the data size may be discovered while parsing
4276 * other proxies.
4277 */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004278 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Willy Tarreauc3914d42020-09-24 08:39:22 +02004279 if (curproxy->disabled || !curproxy->table)
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004280 continue;
4281
Frédéric Lécaille1b8e68e2019-03-14 07:07:41 +01004282 if (!stktable_init(curproxy->table)) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004283 ha_alert("Proxy '%s': failed to initialize stick-table.\n", curproxy->id);
Willy Tarreau6866f3f2015-05-01 19:09:08 +02004284 cfgerr++;
4285 }
4286 }
4287
Simon Horman0d16a402015-01-30 11:22:58 +09004288 if (mailers) {
4289 struct mailers *curmailers = mailers, **last;
4290 struct mailer *m, *mb;
4291
4292 /* Remove all mailers sections which don't have a valid listener.
4293 * This can happen when a mailers section is never referenced.
4294 */
4295 last = &mailers;
4296 while (*last) {
4297 curmailers = *last;
4298 if (curmailers->users) {
4299 last = &curmailers->next;
4300 continue;
4301 }
4302
Christopher Faulet767a84b2017-11-24 16:50:31 +01004303 ha_warning("Removing incomplete section 'mailers %s'.\n",
4304 curmailers->id);
Simon Horman0d16a402015-01-30 11:22:58 +09004305
4306 m = curmailers->mailer_list;
4307 while (m) {
4308 mb = m->next;
4309 free(m->id);
4310 free(m);
4311 m = mb;
4312 }
4313
4314 /* Destroy and unlink this curmailers section.
4315 * Note: curmailers is backed up into *last.
4316 */
4317 free(curmailers->id);
4318 curmailers = curmailers->next;
4319 free(*last);
4320 *last = curmailers;
4321 }
4322 }
4323
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004324 /* Update server_state_file_name to backend name if backend is supposed to use
4325 * a server-state file locally defined and none has been provided */
Olivier Houchardfbc74e82017-11-24 16:54:05 +01004326 for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) {
Baptiste Assmanne11cfcd2015-08-19 16:44:03 +02004327 if (curproxy->load_server_state_from_file == PR_SRV_STATE_FILE_LOCAL &&
4328 curproxy->server_state_file_name == NULL)
4329 curproxy->server_state_file_name = strdup(curproxy->id);
4330 }
4331
Emeric Brun750fe792020-12-23 16:51:12 +01004332 list_for_each_entry(curr_resolvers, &sec_resolvers, list) {
Ben Draut054fbee2018-04-13 15:43:04 -06004333 if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
4334 ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
4335 curr_resolvers->id, curr_resolvers->conf.file,
4336 curr_resolvers->conf.line);
4337 err_code |= ERR_WARN;
4338 }
4339 }
4340
William Lallemand48b4bb42017-10-23 14:36:34 +02004341 list_for_each_entry(postparser, &postparsers, list) {
4342 if (postparser->func)
4343 cfgerr += postparser->func();
4344 }
4345
Willy Tarreaubb925012009-07-23 13:36:36 +02004346 if (cfgerr > 0)
4347 err_code |= ERR_ALERT | ERR_FATAL;
4348 out:
4349 return err_code;
Willy Tarreaubaaee002006-06-26 02:48:02 +02004350}
4351
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004352/*
4353 * Registers the CFG keyword list <kwl> as a list of valid keywords for next
4354 * parsing sessions.
4355 */
4356void cfg_register_keywords(struct cfg_kw_list *kwl)
4357{
Willy Tarreau2b718102021-04-21 07:32:39 +02004358 LIST_APPEND(&cfg_keywords.list, &kwl->list);
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004359}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004360
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004361/*
4362 * Unregisters the CFG keyword list <kwl> from the list of valid keywords.
4363 */
4364void cfg_unregister_keywords(struct cfg_kw_list *kwl)
4365{
Willy Tarreau2b718102021-04-21 07:32:39 +02004366 LIST_DELETE(&kwl->list);
Willy Tarreau5b2c3362008-07-09 19:39:06 +02004367 LIST_INIT(&kwl->list);
4368}
Willy Tarreaubaaee002006-06-26 02:48:02 +02004369
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004370/* this function register new section in the haproxy configuration file.
4371 * <section_name> is the name of this new section and <section_parser>
4372 * is the called parser. If two section declaration have the same name,
4373 * only the first declared is used.
4374 */
4375int cfg_register_section(char *section_name,
William Lallemandd2ff56d2017-10-16 11:06:50 +02004376 int (*section_parser)(const char *, int, char **, int),
4377 int (*post_section_parser)())
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004378{
4379 struct cfg_section *cs;
4380
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004381 list_for_each_entry(cs, &sections, list) {
4382 if (strcmp(cs->section_name, section_name) == 0) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004383 ha_alert("register section '%s': already registered.\n", section_name);
Willy Tarreau5e4261b2016-05-17 16:16:09 +02004384 return 0;
4385 }
4386 }
4387
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004388 cs = calloc(1, sizeof(*cs));
4389 if (!cs) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004390 ha_alert("register section '%s': out of memory.\n", section_name);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004391 return 0;
4392 }
4393
4394 cs->section_name = section_name;
4395 cs->section_parser = section_parser;
William Lallemandd2ff56d2017-10-16 11:06:50 +02004396 cs->post_section_parser = post_section_parser;
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004397
Willy Tarreau2b718102021-04-21 07:32:39 +02004398 LIST_APPEND(&sections, &cs->list);
Thierry FOURNIERfa45f1d2014-03-18 13:54:18 +01004399
4400 return 1;
4401}
4402
William Lallemand48b4bb42017-10-23 14:36:34 +02004403/* this function register a new function which will be called once the haproxy
4404 * configuration file has been parsed. It's useful to check dependencies
4405 * between sections or to resolve items once everything is parsed.
4406 */
4407int cfg_register_postparser(char *name, int (*func)())
4408{
4409 struct cfg_postparser *cp;
4410
4411 cp = calloc(1, sizeof(*cp));
4412 if (!cp) {
Christopher Faulet767a84b2017-11-24 16:50:31 +01004413 ha_alert("register postparser '%s': out of memory.\n", name);
William Lallemand48b4bb42017-10-23 14:36:34 +02004414 return 0;
4415 }
4416 cp->name = name;
4417 cp->func = func;
4418
Willy Tarreau2b718102021-04-21 07:32:39 +02004419 LIST_APPEND(&postparsers, &cp->list);
William Lallemand48b4bb42017-10-23 14:36:34 +02004420
4421 return 1;
4422}
4423
Willy Tarreaubaaee002006-06-26 02:48:02 +02004424/*
David Carlier845efb52015-09-25 11:49:18 +01004425 * free all config section entries
4426 */
4427void cfg_unregister_sections(void)
4428{
4429 struct cfg_section *cs, *ics;
4430
4431 list_for_each_entry_safe(cs, ics, &sections, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +02004432 LIST_DELETE(&cs->list);
David Carlier845efb52015-09-25 11:49:18 +01004433 free(cs);
4434 }
4435}
4436
Christopher Faulet7110b402016-10-26 11:09:44 +02004437void cfg_backup_sections(struct list *backup_sections)
4438{
4439 struct cfg_section *cs, *ics;
4440
4441 list_for_each_entry_safe(cs, ics, &sections, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +02004442 LIST_DELETE(&cs->list);
4443 LIST_APPEND(backup_sections, &cs->list);
Christopher Faulet7110b402016-10-26 11:09:44 +02004444 }
4445}
4446
4447void cfg_restore_sections(struct list *backup_sections)
4448{
4449 struct cfg_section *cs, *ics;
4450
4451 list_for_each_entry_safe(cs, ics, backup_sections, list) {
Willy Tarreau2b718102021-04-21 07:32:39 +02004452 LIST_DELETE(&cs->list);
4453 LIST_APPEND(&sections, &cs->list);
Christopher Faulet7110b402016-10-26 11:09:44 +02004454 }
4455}
4456
Willy Tarreaue6552512018-11-26 11:33:13 +01004457/* these are the config sections handled by default */
4458REGISTER_CONFIG_SECTION("listen", cfg_parse_listen, NULL);
4459REGISTER_CONFIG_SECTION("frontend", cfg_parse_listen, NULL);
4460REGISTER_CONFIG_SECTION("backend", cfg_parse_listen, NULL);
4461REGISTER_CONFIG_SECTION("defaults", cfg_parse_listen, NULL);
4462REGISTER_CONFIG_SECTION("global", cfg_parse_global, NULL);
4463REGISTER_CONFIG_SECTION("userlist", cfg_parse_users, NULL);
4464REGISTER_CONFIG_SECTION("peers", cfg_parse_peers, NULL);
4465REGISTER_CONFIG_SECTION("mailers", cfg_parse_mailers, NULL);
4466REGISTER_CONFIG_SECTION("namespace_list", cfg_parse_netns, NULL);
Willy Tarreau659fbf02016-05-26 17:55:28 +02004467
Willy Tarreau8a022d52021-04-27 20:29:11 +02004468static struct cfg_kw_list cfg_kws = {{ },{
4469 { CFG_GLOBAL, "default-path", cfg_parse_global_def_path },
4470 { /* END */ }
4471}};
4472
4473INITCALL1(STG_REGISTER, cfg_register_keywords, &cfg_kws);
4474
David Carlier845efb52015-09-25 11:49:18 +01004475/*
Willy Tarreaubaaee002006-06-26 02:48:02 +02004476 * Local variables:
4477 * c-indent-level: 8
4478 * c-basic-offset: 8
4479 * End:
4480 */