blob: ef846fe4e2c423546042173c9946b5162163cef0 [file] [log] [blame]
Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * HA-Proxy : High Availability-enabled HTTP/TCP proxy
Willy Tarreau7d1b48f2016-05-10 15:36:58 +02003 * Copyright 2000-2016 Willy Tarreau <willy@haproxy.org>.
Willy Tarreaubaaee002006-06-26 02:48:02 +02004 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 *
10 * Please refer to RFC2068 or RFC2616 for informations about HTTP protocol, and
11 * RFC2965 for informations about cookies usage. More generally, the IETF HTTP
12 * Working Group's web site should be consulted for protocol related changes :
13 *
14 * http://ftp.ics.uci.edu/pub/ietf/http/
15 *
16 * Pending bugs (may be not fixed because never reproduced) :
17 * - solaris only : sometimes, an HTTP proxy with only a dispatch address causes
18 * the proxy to terminate (no core) if the client breaks the connection during
19 * the response. Seen on 1.1.8pre4, but never reproduced. May not be related to
20 * the snprintf() bug since requests were simple (GET / HTTP/1.0), but may be
21 * related to missing setsid() (fixed in 1.1.15)
22 * - a proxy with an invalid config will prevent the startup even if disabled.
23 *
24 * ChangeLog has moved to the CHANGELOG file.
25 *
Willy Tarreaubaaee002006-06-26 02:48:02 +020026 */
27
David Carlier7ece0962015-12-08 21:43:09 +000028#define _GNU_SOURCE
Willy Tarreaubaaee002006-06-26 02:48:02 +020029#include <stdio.h>
30#include <stdlib.h>
31#include <unistd.h>
32#include <string.h>
33#include <ctype.h>
Maxime de Roucy379d9c72016-05-13 23:52:56 +020034#include <dirent.h>
Maxime de Roucy379d9c72016-05-13 23:52:56 +020035#include <sys/stat.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020036#include <sys/time.h>
37#include <sys/types.h>
38#include <sys/socket.h>
39#include <netinet/tcp.h>
40#include <netinet/in.h>
41#include <arpa/inet.h>
42#include <netdb.h>
43#include <fcntl.h>
44#include <errno.h>
45#include <signal.h>
46#include <stdarg.h>
47#include <sys/resource.h>
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +010048#include <sys/wait.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020049#include <time.h>
50#include <syslog.h>
Michael Schererab012dd2013-01-12 18:35:19 +010051#include <grp.h>
Willy Tarreaufc6c0322012-11-16 16:12:27 +010052#ifdef USE_CPU_AFFINITY
Willy Tarreaufc6c0322012-11-16 16:12:27 +010053#include <sched.h>
Pieter Baauwcaa6a1b2015-09-17 21:26:40 +020054#ifdef __FreeBSD__
55#include <sys/param.h>
56#include <sys/cpuset.h>
57#endif
Willy Tarreaufc6c0322012-11-16 16:12:27 +010058#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +020059
60#ifdef DEBUG_FULL
61#include <assert.h>
62#endif
63
Willy Tarreau2dd0d472006-06-29 17:53:05 +020064#include <common/base64.h>
65#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020066#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020067#include <common/compat.h>
68#include <common/config.h>
69#include <common/defaults.h>
Willy Tarreaud740bab2007-10-28 11:14:07 +010070#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020071#include <common/memory.h>
72#include <common/mini-clist.h>
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +010073#include <common/namespace.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020074#include <common/regex.h>
75#include <common/standard.h>
76#include <common/time.h>
77#include <common/uri_auth.h>
78#include <common/version.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020079
80#include <types/capture.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020081#include <types/filters.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020082#include <types/global.h>
Simon Hormanac821422011-07-15 13:14:09 +090083#include <types/acl.h>
Willy Tarreau3c63fd82011-09-07 18:00:47 +020084#include <types/peers.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020085
Willy Tarreau0fc45a72007-06-17 00:36:03 +020086#include <proto/acl.h>
Willy Tarreau3c595ac2015-04-19 09:59:31 +020087#include <proto/applet.h>
Willy Tarreau2e845be2012-10-19 19:49:09 +020088#include <proto/arg.h>
Willy Tarreau3c595ac2015-04-19 09:59:31 +020089#include <proto/auth.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020090#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020091#include <proto/channel.h>
Willy Tarreauf2943dc2012-10-26 20:10:28 +020092#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020093#include <proto/fd.h>
Christopher Fauletd7c91962015-04-30 11:48:27 +020094#include <proto/filters.h>
Willy Tarreau34eb6712011-10-24 18:15:04 +020095#include <proto/hdr_idx.h>
Thierry FOURNIER6f1fd482015-01-23 14:06:13 +010096#include <proto/hlua.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020097#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020098#include <proto/log.h>
Thierry FOURNIERaf5a29d2014-03-11 14:29:22 +010099#include <proto/pattern.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +0200100#include <proto/protocol.h>
Willy Tarreau80587432006-12-24 17:47:20 +0100101#include <proto/proto_http.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +0200102#include <proto/proxy.h>
103#include <proto/queue.h>
104#include <proto/server.h>
Willy Tarreaub1ec8c42015-04-03 13:53:24 +0200105#include <proto/session.h>
Willy Tarreau87b09662015-04-03 00:22:06 +0200106#include <proto/stream.h>
Willy Tarreau29857942009-05-10 09:01:21 +0200107#include <proto/signal.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +0200108#include <proto/task.h>
Baptiste Assmann325137d2015-04-13 23:40:55 +0200109#include <proto/dns.h>
Christopher Fauletff2613e2016-11-09 11:36:17 +0100110#include <proto/vars.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +0200111
Emeric Brunfc0421f2012-09-07 17:30:07 +0200112#ifdef USE_OPENSSL
113#include <proto/ssl_sock.h>
114#endif
115
Willy Tarreau477ecd82010-01-03 21:12:30 +0100116/* list of config files */
117static struct list cfg_cfgfiles = LIST_HEAD_INIT(cfg_cfgfiles);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200118int pid; /* current process id */
Willy Tarreau28156642007-11-26 16:13:36 +0100119int relative_pid = 1; /* process id starting at 1 */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200120
121/* global options */
122struct global global = {
Willy Tarreau247a13a2012-11-15 17:38:15 +0100123 .nbproc = 1,
William Lallemand5f232402012-04-05 18:02:55 +0200124 .req_count = 0,
William Lallemand0f99e342011-10-12 17:50:54 +0200125 .logsrvs = LIST_HEAD_INIT(global.logsrvs),
William Lallemand9d5f5482012-11-07 16:12:57 +0100126 .maxzlibmem = 0,
William Lallemandd85f9172012-11-09 17:05:39 +0100127 .comp_rate_lim = 0,
Emeric Brun850efd52014-01-29 12:24:34 +0100128 .ssl_server_verify = SSL_SERVER_VERIFY_REQUIRED,
Emeric Bruned760922010-10-22 17:59:25 +0200129 .unix_bind = {
130 .ux = {
131 .uid = -1,
132 .gid = -1,
133 .mode = 0,
134 }
135 },
Willy Tarreau27a674e2009-08-17 07:23:33 +0200136 .tune = {
137 .bufsize = BUFSIZE,
Willy Tarreau27097842015-09-28 13:53:23 +0200138 .maxrewrite = -1,
Willy Tarreau43961d52010-10-04 20:39:20 +0200139 .chksize = BUFSIZE,
Willy Tarreaua24adf02014-11-27 01:11:56 +0100140 .reserved_bufs = RESERVED_BUFS,
Willy Tarreauf3045d22015-04-29 16:24:50 +0200141 .pattern_cache = DEFAULT_PAT_LRU_SIZE,
Emeric Brunfc32aca2012-09-03 12:10:29 +0200142#ifdef USE_OPENSSL
Emeric Brun46635772012-11-14 11:32:56 +0100143 .sslcachesize = SSLCACHESIZE,
Remi Gacognef46cd6e2014-06-12 14:58:40 +0200144 .ssl_default_dh_param = SSL_DEFAULT_DH_PARAM,
Willy Tarreau03effc12014-02-12 14:55:41 +0100145#ifdef DEFAULT_SSL_MAX_RECORD
146 .ssl_max_record = DEFAULT_SSL_MAX_RECORD,
147#endif
Christopher Faulet31af49d2015-06-09 17:29:50 +0200148 .ssl_ctx_cache = DEFAULT_SSL_CTX_CACHE,
Emeric Brunfc32aca2012-09-03 12:10:29 +0200149#endif
William Lallemandf3747832012-11-09 12:33:10 +0100150 .comp_maxlevel = 1,
Willy Tarreau7e312732014-02-12 16:35:14 +0100151#ifdef DEFAULT_IDLE_TIMER
152 .idle_timer = DEFAULT_IDLE_TIMER,
153#else
154 .idle_timer = 1000, /* 1 second */
155#endif
Willy Tarreau27a674e2009-08-17 07:23:33 +0200156 },
Emeric Brun76d88952012-10-05 15:47:31 +0200157#ifdef USE_OPENSSL
158#ifdef DEFAULT_MAXSSLCONN
Willy Tarreau403edff2012-09-06 11:58:37 +0200159 .maxsslconn = DEFAULT_MAXSSLCONN,
160#endif
Emeric Brun76d88952012-10-05 15:47:31 +0200161#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200162 /* others NULL OK */
163};
164
165/*********************************************************************/
166
167int stopping; /* non zero means stopping in progress */
Willy Tarreauaf7ad002010-08-31 15:39:26 +0200168int jobs = 0; /* number of active jobs (conns, listeners, active tasks, ...) */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200169
170/* Here we store informations about the pids of the processes we may pause
171 * or kill. We will send them a signal every 10 ms until we can bind to all
172 * our ports. With 200 retries, that's about 2 seconds.
173 */
174#define MAX_START_RETRIES 200
Willy Tarreaubaaee002006-06-26 02:48:02 +0200175static int *oldpids = NULL;
176static int oldpids_sig; /* use USR1 or TERM */
177
178/* this is used to drain data, and as a temporary buffer for sprintf()... */
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100179struct chunk trash = { };
Willy Tarreaubaaee002006-06-26 02:48:02 +0200180
Willy Tarreau8096de92010-02-26 11:12:27 +0100181/* this buffer is always the same size as standard buffers and is used for
182 * swapping data inside a buffer.
183 */
184char *swap_buffer = NULL;
185
Willy Tarreaubb545b42010-08-25 12:58:59 +0200186int nb_oldpids = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200187const int zero = 0;
188const int one = 1;
Alexandre Cassen87ea5482007-10-11 20:48:58 +0200189const struct linger nolinger = { .l_onoff = 1, .l_linger = 0 };
Willy Tarreaubaaee002006-06-26 02:48:02 +0200190
Willy Tarreau1d21e0a2010-03-12 21:58:54 +0100191char hostname[MAX_HOSTNAME_LEN];
Emeric Brun2b920a12010-09-23 18:30:22 +0200192char localpeer[MAX_HOSTNAME_LEN];
Willy Tarreaubaaee002006-06-26 02:48:02 +0200193
Willy Tarreau89efaed2013-12-13 15:14:55 +0100194/* used from everywhere just to drain results we don't want to read and which
195 * recent versions of gcc increasingly and annoyingly complain about.
196 */
197int shut_your_big_mouth_gcc_int = 0;
198
Willy Tarreau08ceb102011-07-24 22:58:00 +0200199/* list of the temporarily limited listeners because of lack of resource */
200struct list global_listener_queue = LIST_HEAD_INIT(global_listener_queue);
Willy Tarreaue9b26022011-08-01 20:57:55 +0200201struct task *global_listener_queue_task;
202static struct task *manage_global_listener_queue(struct task *t);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200203
Willy Tarreauff055502014-04-28 22:27:06 +0200204/* bitfield of a few warnings to emit just once (WARN_*) */
205unsigned int warned = 0;
206
Willy Tarreaucdb737e2016-12-21 18:43:10 +0100207
208/* These are strings to be reported in the output of "haproxy -vv". They may
209 * either be constants (in which case must_free must be zero) or dynamically
210 * allocated strings to pass to free() on exit, and in this case must_free
211 * must be non-zero.
212 */
213struct list build_opts_list = LIST_HEAD_INIT(build_opts_list);
214struct build_opts_str {
215 struct list list;
216 const char *str;
217 int must_free;
218};
219
Willy Tarreaue6945732016-12-21 19:57:00 +0100220/* These functions are called just after the point where the program exits
221 * after a config validity check, so they are generally suited for resource
222 * allocation and slow initializations that should be skipped during basic
223 * config checks. The functions must return 0 on success, or a combination
224 * of ERR_* flags (ERR_WARN, ERR_ABORT, ERR_FATAL, ...). The 2 latter cause
225 * and immediate exit, so the function must have emitted any useful error.
226 */
227struct list post_check_list = LIST_HEAD_INIT(post_check_list);
228struct post_check_fct {
229 struct list list;
230 int (*fct)();
231};
232
Willy Tarreau05554e62016-12-21 20:46:26 +0100233/* These functions are called when freeing the global sections at the end
234 * of deinit, after everything is stopped. They don't return anything, and
235 * they work in best effort mode as their sole goal is to make valgrind
236 * mostly happy.
237 */
238struct list post_deinit_list = LIST_HEAD_INIT(post_deinit_list);
239struct post_deinit_fct {
240 struct list list;
241 void (*fct)();
242};
243
Willy Tarreaubaaee002006-06-26 02:48:02 +0200244/*********************************************************************/
245/* general purpose functions ***************************************/
246/*********************************************************************/
247
Willy Tarreaucdb737e2016-12-21 18:43:10 +0100248/* used to register some build option strings at boot. Set must_free to
249 * non-zero if the string must be freed upon exit.
250 */
251void hap_register_build_opts(const char *str, int must_free)
252{
253 struct build_opts_str *b;
254
255 b = calloc(1, sizeof(*b));
256 if (!b) {
257 fprintf(stderr, "out of memory\n");
258 exit(1);
259 }
260 b->str = str;
261 b->must_free = must_free;
262 LIST_ADDQ(&build_opts_list, &b->list);
263}
264
Willy Tarreaue6945732016-12-21 19:57:00 +0100265/* used to register some initialization functions to call after the checks. */
266void hap_register_post_check(int (*fct)())
267{
268 struct post_check_fct *b;
269
270 b = calloc(1, sizeof(*b));
271 if (!b) {
272 fprintf(stderr, "out of memory\n");
273 exit(1);
274 }
275 b->fct = fct;
276 LIST_ADDQ(&post_check_list, &b->list);
277}
278
Willy Tarreau05554e62016-12-21 20:46:26 +0100279/* used to register some de-initialization functions to call after everything
280 * has stopped.
281 */
282void hap_register_post_deinit(void (*fct)())
283{
284 struct post_deinit_fct *b;
285
286 b = calloc(1, sizeof(*b));
287 if (!b) {
288 fprintf(stderr, "out of memory\n");
289 exit(1);
290 }
291 b->fct = fct;
292 LIST_ADDQ(&post_deinit_list, &b->list);
293}
294
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100295static void display_version()
Willy Tarreaubaaee002006-06-26 02:48:02 +0200296{
297 printf("HA-Proxy version " HAPROXY_VERSION " " HAPROXY_DATE"\n");
Willy Tarreau8234f6d2016-03-14 00:10:05 +0100298 printf("Copyright 2000-2016 Willy Tarreau <willy@haproxy.org>\n\n");
Willy Tarreaubaaee002006-06-26 02:48:02 +0200299}
300
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100301static void display_build_opts()
Willy Tarreau7b066db2007-12-02 11:28:59 +0100302{
Willy Tarreaucdb737e2016-12-21 18:43:10 +0100303 struct build_opts_str *item;
304
Willy Tarreau7b066db2007-12-02 11:28:59 +0100305 printf("Build options :"
306#ifdef BUILD_TARGET
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100307 "\n TARGET = " BUILD_TARGET
Willy Tarreau7b066db2007-12-02 11:28:59 +0100308#endif
309#ifdef BUILD_CPU
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100310 "\n CPU = " BUILD_CPU
Willy Tarreau7b066db2007-12-02 11:28:59 +0100311#endif
312#ifdef BUILD_CC
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100313 "\n CC = " BUILD_CC
314#endif
315#ifdef BUILD_CFLAGS
316 "\n CFLAGS = " BUILD_CFLAGS
Willy Tarreau7b066db2007-12-02 11:28:59 +0100317#endif
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100318#ifdef BUILD_OPTIONS
319 "\n OPTIONS = " BUILD_OPTIONS
Willy Tarreau7b066db2007-12-02 11:28:59 +0100320#endif
Willy Tarreau27a674e2009-08-17 07:23:33 +0200321 "\n\nDefault settings :"
322 "\n maxconn = %d, bufsize = %d, maxrewrite = %d, maxpollevents = %d"
323 "\n\n",
324 DEFAULT_MAXCONN, BUFSIZE, MAXREWRITE, MAX_POLL_EVENTS);
Willy Tarreaube5b6852009-10-03 18:57:08 +0200325
Willy Tarreaucdb737e2016-12-21 18:43:10 +0100326 list_for_each_entry(item, &build_opts_list, list) {
327 puts(item->str);
328 }
329
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +0100330 putchar('\n');
331
Willy Tarreaube5b6852009-10-03 18:57:08 +0200332 list_pollers(stdout);
333 putchar('\n');
Christopher Fauletb3f4e142016-03-07 12:46:38 +0100334 list_filters(stdout);
335 putchar('\n');
Willy Tarreau7b066db2007-12-02 11:28:59 +0100336}
337
Willy Tarreaubaaee002006-06-26 02:48:02 +0200338/*
339 * This function prints the command line usage and exits
340 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100341static void usage(char *name)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200342{
343 display_version();
344 fprintf(stderr,
Maxime de Roucy379d9c72016-05-13 23:52:56 +0200345 "Usage : %s [-f <cfgfile|cfgdir>]* [ -vdV"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200346 "D ] [ -n <maxconn> ] [ -N <maxpconn> ]\n"
Willy Tarreaua088d312015-10-08 11:58:48 +0200347 " [ -p <pidfile> ] [ -m <max megs> ] [ -C <dir> ] [-- <cfgfile>*]\n"
Willy Tarreau7b066db2007-12-02 11:28:59 +0100348 " -v displays version ; -vv shows known build options.\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200349 " -d enters debug mode ; -db only disables background mode.\n"
Willy Tarreau6e064432012-05-08 15:40:42 +0200350 " -dM[<byte>] poisons memory with <byte> (defaults to 0x50)\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200351 " -V enters verbose mode (disables quiet mode)\n"
Willy Tarreau576132e2011-09-10 19:26:56 +0200352 " -D goes daemon ; -C changes to <dir> before loading files.\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200353 " -q quiet mode : don't display messages\n"
Willy Tarreau5d01a632009-06-22 16:02:30 +0200354 " -c check mode : only check config files and exit\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200355 " -n sets the maximum total # of connections (%d)\n"
356 " -m limits the usable amount of memory (in MB)\n"
357 " -N sets the default, per-proxy maximum # of connections (%d)\n"
Emeric Brun2b920a12010-09-23 18:30:22 +0200358 " -L set local peer name (default to hostname)\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200359 " -p writes pids of all children to this file\n"
360#if defined(ENABLE_EPOLL)
361 " -de disables epoll() usage even when available\n"
362#endif
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200363#if defined(ENABLE_KQUEUE)
364 " -dk disables kqueue() usage even when available\n"
365#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200366#if defined(ENABLE_POLL)
367 " -dp disables poll() usage even when available\n"
368#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200369#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100370 " -dS disables splice usage (broken on old kernels)\n"
371#endif
Nenad Merdanovic88afe032014-04-14 15:56:58 +0200372#if defined(USE_GETADDRINFO)
373 " -dG disables getaddrinfo() usage\n"
374#endif
Lukas Tribusa0bcbdc2016-09-12 21:42:20 +0000375#if defined(SO_REUSEPORT)
376 " -dR disables SO_REUSEPORT usage\n"
377#endif
Willy Tarreau3eed10e2016-11-07 21:03:16 +0100378 " -dr ignores server address resolution failures\n"
Emeric Brun850efd52014-01-29 12:24:34 +0100379 " -dV disables SSL verify on servers side\n"
Willy Tarreauc6ca1aa2015-10-08 11:32:32 +0200380 " -sf/-st [pid ]* finishes/terminates old pids.\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200381 "\n",
382 name, DEFAULT_MAXCONN, cfg_maxpconn);
383 exit(1);
384}
385
386
387
388/*********************************************************************/
389/* more specific functions ***************************************/
390/*********************************************************************/
391
392/*
Willy Tarreaud0807c32010-08-27 18:26:11 +0200393 * upon SIGUSR1, let's have a soft stop. Note that soft_stop() broadcasts
394 * a signal zero to all subscribers. This means that it's as easy as
395 * subscribing to signal 0 to get informed about an imminent shutdown.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200396 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100397static void sig_soft_stop(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200398{
399 soft_stop();
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200400 signal_unregister_handler(sh);
Willy Tarreau4d2d0982007-05-14 00:39:29 +0200401 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200402}
403
404/*
405 * upon SIGTTOU, we pause everything
406 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100407static void sig_pause(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200408{
409 pause_proxies();
Willy Tarreau4d2d0982007-05-14 00:39:29 +0200410 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200411}
412
413/*
414 * upon SIGTTIN, let's have a soft stop.
415 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100416static void sig_listen(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200417{
Willy Tarreaube58c382011-07-24 18:28:10 +0200418 resume_proxies();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200419}
420
421/*
422 * this function dumps every server's state when the process receives SIGHUP.
423 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100424static void sig_dump_state(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200425{
426 struct proxy *p = proxy;
427
428 Warning("SIGHUP received, dumping servers states.\n");
429 while (p) {
430 struct server *s = p->srv;
431
432 send_log(p, LOG_NOTICE, "SIGHUP received, dumping servers states for proxy %s.\n", p->id);
433 while (s) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100434 chunk_printf(&trash,
435 "SIGHUP: Server %s/%s is %s. Conn: %d act, %d pend, %lld tot.",
436 p->id, s->id,
Willy Tarreau892337c2014-05-13 23:41:20 +0200437 (s->state != SRV_ST_STOPPED) ? "UP" : "DOWN",
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100438 s->cur_sess, s->nbpend, s->counters.cum_sess);
439 Warning("%s\n", trash.str);
440 send_log(p, LOG_NOTICE, "%s\n", trash.str);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200441 s = s->next;
442 }
443
Willy Tarreau5fcc8f12007-09-17 11:27:09 +0200444 /* FIXME: those info are a bit outdated. We should be able to distinguish between FE and BE. */
445 if (!p->srv) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100446 chunk_printf(&trash,
447 "SIGHUP: Proxy %s has no servers. Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
448 p->id,
449 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreau5fcc8f12007-09-17 11:27:09 +0200450 } else if (p->srv_act == 0) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100451 chunk_printf(&trash,
452 "SIGHUP: Proxy %s %s ! Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
453 p->id,
454 (p->srv_bck) ? "is running on backup servers" : "has no server available",
455 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200456 } else {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100457 chunk_printf(&trash,
458 "SIGHUP: Proxy %s has %d active servers and %d backup servers available."
459 " Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
460 p->id, p->srv_act, p->srv_bck,
461 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200462 }
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100463 Warning("%s\n", trash.str);
464 send_log(p, LOG_NOTICE, "%s\n", trash.str);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200465
466 p = p->next;
467 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200468}
469
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100470static void dump(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200471{
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200472 /* dump memory usage then free everything possible */
473 dump_pools();
474 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200475}
476
Maxime de Roucy379d9c72016-05-13 23:52:56 +0200477/* This function check if cfg_cfgfiles containes directories.
478 * If it find one, it add all the files (and only files) it containes
479 * in cfg_cfgfiles in place of the directory (and remove the directory).
480 * It add the files in lexical order.
481 * It add only files with .cfg extension.
482 * It doesn't add files with name starting with '.'
483 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100484static void cfgfiles_expand_directories(void)
Maxime de Roucy379d9c72016-05-13 23:52:56 +0200485{
486 struct wordlist *wl, *wlb;
487 char *err = NULL;
488
489 list_for_each_entry_safe(wl, wlb, &cfg_cfgfiles, list) {
490 struct stat file_stat;
491 struct dirent **dir_entries = NULL;
492 int dir_entries_nb;
493 int dir_entries_it;
494
495 if (stat(wl->s, &file_stat)) {
496 Alert("Cannot open configuration file/directory %s : %s\n",
497 wl->s,
498 strerror(errno));
499 exit(1);
500 }
501
502 if (!S_ISDIR(file_stat.st_mode))
503 continue;
504
505 /* from this point wl->s is a directory */
506
507 dir_entries_nb = scandir(wl->s, &dir_entries, NULL, alphasort);
508 if (dir_entries_nb < 0) {
509 Alert("Cannot open configuration directory %s : %s\n",
510 wl->s,
511 strerror(errno));
512 exit(1);
513 }
514
515 /* for each element in the directory wl->s */
516 for (dir_entries_it = 0; dir_entries_it < dir_entries_nb; dir_entries_it++) {
517 struct dirent *dir_entry = dir_entries[dir_entries_it];
518 char *filename = NULL;
519 char *d_name_cfgext = strstr(dir_entry->d_name, ".cfg");
520
521 /* don't add filename that begin with .
522 * only add filename with .cfg extention
523 */
524 if (dir_entry->d_name[0] == '.' ||
525 !(d_name_cfgext && d_name_cfgext[4] == '\0'))
526 goto next_dir_entry;
527
528 if (!memprintf(&filename, "%s/%s", wl->s, dir_entry->d_name)) {
529 Alert("Cannot load configuration files %s : out of memory.\n",
530 filename);
531 exit(1);
532 }
533
534 if (stat(filename, &file_stat)) {
535 Alert("Cannot open configuration file %s : %s\n",
536 wl->s,
537 strerror(errno));
538 exit(1);
539 }
540
541 /* don't add anything else than regular file in cfg_cfgfiles
542 * this way we avoid loops
543 */
544 if (!S_ISREG(file_stat.st_mode))
545 goto next_dir_entry;
546
547 if (!list_append_word(&wl->list, filename, &err)) {
548 Alert("Cannot load configuration files %s : %s\n",
549 filename,
550 err);
551 exit(1);
552 }
553
554next_dir_entry:
555 free(filename);
556 free(dir_entry);
557 }
558
559 free(dir_entries);
560
561 /* remove the current directory (wl) from cfg_cfgfiles */
562 free(wl->s);
563 LIST_DEL(&wl->list);
564 free(wl);
565 }
566
567 free(err);
568}
569
Willy Tarreaubaaee002006-06-26 02:48:02 +0200570/*
571 * This function initializes all the necessary variables. It only returns
572 * if everything is OK. If something fails, it exits.
573 */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +0100574static void init(int argc, char **argv)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200575{
Willy Tarreaubaaee002006-06-26 02:48:02 +0200576 int arg_mode = 0; /* MODE_DEBUG, ... */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200577 char *tmp;
578 char *cfg_pidfile = NULL;
Willy Tarreau058e9072009-07-20 09:30:05 +0200579 int err_code = 0;
Maxime de Roucy0f503922016-05-13 23:52:55 +0200580 char *err_msg = NULL;
Willy Tarreau477ecd82010-01-03 21:12:30 +0100581 struct wordlist *wl;
Kevinm48936af2010-12-22 16:08:21 +0000582 char *progname;
Willy Tarreau576132e2011-09-10 19:26:56 +0200583 char *change_dir = NULL;
Christopher Fauletd7c91962015-04-30 11:48:27 +0200584 struct proxy *px;
Willy Tarreaue6945732016-12-21 19:57:00 +0100585 struct post_check_fct *pcf;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200586
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100587 chunk_init(&trash, malloc(global.tune.bufsize), global.tune.bufsize);
Willy Tarreau2819e992013-12-13 14:41:10 +0100588 alloc_trash_buffers(global.tune.bufsize);
David du Colombier7af46052012-05-16 14:16:48 +0200589
Emeric Brun2b920a12010-09-23 18:30:22 +0200590 /* NB: POSIX does not make it mandatory for gethostname() to NULL-terminate
591 * the string in case of truncation, and at least FreeBSD appears not to do
592 * it.
593 */
594 memset(hostname, 0, sizeof(hostname));
595 gethostname(hostname, sizeof(hostname) - 1);
596 memset(localpeer, 0, sizeof(localpeer));
597 memcpy(localpeer, hostname, (sizeof(hostname) > sizeof(localpeer) ? sizeof(localpeer) : sizeof(hostname)) - 1);
598
Willy Tarreaubaaee002006-06-26 02:48:02 +0200599 /*
600 * Initialize the previously static variables.
601 */
602
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100603 totalconn = actconn = maxfd = listeners = stopping = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200604
605
606#ifdef HAPROXY_MEMMAX
Willy Tarreau70060452015-12-14 12:46:07 +0100607 global.rlimit_memmax_all = HAPROXY_MEMMAX;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200608#endif
609
Benoit GARNIERb413c2a2016-03-27 11:08:03 +0200610 tzset();
Willy Tarreaub0b37bc2008-06-23 14:00:57 +0200611 tv_update_date(-1,-1);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200612 start_date = now;
613
Willy Tarreau84310e22014-02-14 11:59:04 +0100614 srandom(now_ms - getpid());
615
Dragan Dosen835b9212016-02-12 13:23:03 +0100616 init_log();
Willy Tarreau29857942009-05-10 09:01:21 +0200617 signal_init();
Willy Tarreau8ed669b2013-01-11 15:49:37 +0100618 if (init_acl() != 0)
619 exit(1);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200620 init_task();
Willy Tarreau87b09662015-04-03 00:22:06 +0200621 init_stream();
Willy Tarreaub1ec8c42015-04-03 13:53:24 +0200622 init_session();
Willy Tarreauf2943dc2012-10-26 20:10:28 +0200623 init_connection();
Willy Tarreau8280d642009-09-23 23:37:52 +0200624 /* warning, we init buffers later */
Willy Tarreaue4d7e552007-05-13 20:19:55 +0200625 init_pendconn();
Willy Tarreau80587432006-12-24 17:47:20 +0100626 init_proto_http();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200627
Thierry FOURNIER6f1fd482015-01-23 14:06:13 +0100628 /* Initialise lua. */
629 hlua_init();
Thierry FOURNIER6f1fd482015-01-23 14:06:13 +0100630
Christopher Fauletff2613e2016-11-09 11:36:17 +0100631 /* Initialize process vars */
632 vars_init(&global.vars, SCOPE_PROC);
633
Willy Tarreau43b78992009-01-25 15:42:27 +0100634 global.tune.options |= GTUNE_USE_SELECT; /* select() is always available */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200635#if defined(ENABLE_POLL)
Willy Tarreau43b78992009-01-25 15:42:27 +0100636 global.tune.options |= GTUNE_USE_POLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200637#endif
638#if defined(ENABLE_EPOLL)
Willy Tarreau43b78992009-01-25 15:42:27 +0100639 global.tune.options |= GTUNE_USE_EPOLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200640#endif
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200641#if defined(ENABLE_KQUEUE)
Willy Tarreau43b78992009-01-25 15:42:27 +0100642 global.tune.options |= GTUNE_USE_KQUEUE;
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200643#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200644#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100645 global.tune.options |= GTUNE_USE_SPLICE;
646#endif
Nenad Merdanovic88afe032014-04-14 15:56:58 +0200647#if defined(USE_GETADDRINFO)
648 global.tune.options |= GTUNE_USE_GAI;
649#endif
Lukas Tribusa0bcbdc2016-09-12 21:42:20 +0000650#if defined(SO_REUSEPORT)
651 global.tune.options |= GTUNE_USE_REUSEPORT;
652#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200653
654 pid = getpid();
655 progname = *argv;
656 while ((tmp = strchr(progname, '/')) != NULL)
657 progname = tmp + 1;
658
Kevinm48936af2010-12-22 16:08:21 +0000659 /* the process name is used for the logs only */
Dragan Dosen43885c72015-10-01 13:18:13 +0200660 chunk_initstr(&global.log_tag, strdup(progname));
Kevinm48936af2010-12-22 16:08:21 +0000661
Willy Tarreaubaaee002006-06-26 02:48:02 +0200662 argc--; argv++;
663 while (argc > 0) {
664 char *flag;
665
666 if (**argv == '-') {
667 flag = *argv+1;
668
669 /* 1 arg */
670 if (*flag == 'v') {
671 display_version();
Willy Tarreau7b066db2007-12-02 11:28:59 +0100672 if (flag[1] == 'v') /* -vv */
673 display_build_opts();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200674 exit(0);
675 }
676#if defined(ENABLE_EPOLL)
677 else if (*flag == 'd' && flag[1] == 'e')
Willy Tarreau43b78992009-01-25 15:42:27 +0100678 global.tune.options &= ~GTUNE_USE_EPOLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200679#endif
680#if defined(ENABLE_POLL)
681 else if (*flag == 'd' && flag[1] == 'p')
Willy Tarreau43b78992009-01-25 15:42:27 +0100682 global.tune.options &= ~GTUNE_USE_POLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200683#endif
Willy Tarreau69cad1a2007-04-10 22:45:11 +0200684#if defined(ENABLE_KQUEUE)
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200685 else if (*flag == 'd' && flag[1] == 'k')
Willy Tarreau43b78992009-01-25 15:42:27 +0100686 global.tune.options &= ~GTUNE_USE_KQUEUE;
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200687#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200688#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100689 else if (*flag == 'd' && flag[1] == 'S')
690 global.tune.options &= ~GTUNE_USE_SPLICE;
691#endif
Nenad Merdanovic88afe032014-04-14 15:56:58 +0200692#if defined(USE_GETADDRINFO)
693 else if (*flag == 'd' && flag[1] == 'G')
694 global.tune.options &= ~GTUNE_USE_GAI;
695#endif
Lukas Tribusa0bcbdc2016-09-12 21:42:20 +0000696#if defined(SO_REUSEPORT)
697 else if (*flag == 'd' && flag[1] == 'R')
698 global.tune.options &= ~GTUNE_USE_REUSEPORT;
699#endif
Emeric Brun850efd52014-01-29 12:24:34 +0100700 else if (*flag == 'd' && flag[1] == 'V')
701 global.ssl_server_verify = SSL_SERVER_VERIFY_NONE;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200702 else if (*flag == 'V')
703 arg_mode |= MODE_VERBOSE;
704 else if (*flag == 'd' && flag[1] == 'b')
705 arg_mode |= MODE_FOREGROUND;
Willy Tarreau6e064432012-05-08 15:40:42 +0200706 else if (*flag == 'd' && flag[1] == 'M')
707 mem_poison_byte = flag[2] ? strtol(flag + 2, NULL, 0) : 'P';
Willy Tarreau3eed10e2016-11-07 21:03:16 +0100708 else if (*flag == 'd' && flag[1] == 'r')
709 global.tune.options |= GTUNE_RESOLVE_DONTFAIL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200710 else if (*flag == 'd')
711 arg_mode |= MODE_DEBUG;
712 else if (*flag == 'c')
713 arg_mode |= MODE_CHECK;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100714 else if (*flag == 'D') {
Willy Tarreau6bde87b2009-05-18 16:29:51 +0200715 arg_mode |= MODE_DAEMON;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100716 if (flag[1] == 's') /* -Ds */
717 arg_mode |= MODE_SYSTEMD;
718 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200719 else if (*flag == 'q')
720 arg_mode |= MODE_QUIET;
721 else if (*flag == 's' && (flag[1] == 'f' || flag[1] == 't')) {
722 /* list of pids to finish ('f') or terminate ('t') */
723
724 if (flag[1] == 'f')
725 oldpids_sig = SIGUSR1; /* finish then exit */
726 else
727 oldpids_sig = SIGTERM; /* terminate immediately */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200728
Willy Tarreauc6ca1aa2015-10-08 11:32:32 +0200729 while (argc > 1 && argv[1][0] != '-') {
730 oldpids = realloc(oldpids, (nb_oldpids + 1) * sizeof(int));
731 if (!oldpids) {
732 Alert("Cannot allocate old pid : out of memory.\n");
733 exit(1);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200734 }
Willy Tarreauc6ca1aa2015-10-08 11:32:32 +0200735 argc--; argv++;
736 oldpids[nb_oldpids] = atol(*argv);
737 if (oldpids[nb_oldpids] <= 0)
738 usage(progname);
739 nb_oldpids++;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200740 }
741 }
Willy Tarreaua088d312015-10-08 11:58:48 +0200742 else if (flag[0] == '-' && flag[1] == 0) { /* "--" */
743 /* now that's a cfgfile list */
744 argv++; argc--;
745 while (argc > 0) {
Maxime de Roucy0f503922016-05-13 23:52:55 +0200746 if (!list_append_word(&cfg_cfgfiles, *argv, &err_msg)) {
747 Alert("Cannot load configuration file/directory %s : %s\n",
748 *argv,
749 err_msg);
Willy Tarreaua088d312015-10-08 11:58:48 +0200750 exit(1);
751 }
Willy Tarreaua088d312015-10-08 11:58:48 +0200752 argv++; argc--;
753 }
754 break;
755 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200756 else { /* >=2 args */
757 argv++; argc--;
758 if (argc == 0)
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200759 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200760
761 switch (*flag) {
Willy Tarreau576132e2011-09-10 19:26:56 +0200762 case 'C' : change_dir = *argv; break;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200763 case 'n' : cfg_maxconn = atol(*argv); break;
Willy Tarreau70060452015-12-14 12:46:07 +0100764 case 'm' : global.rlimit_memmax_all = atol(*argv); break;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200765 case 'N' : cfg_maxpconn = atol(*argv); break;
Emeric Brun2b920a12010-09-23 18:30:22 +0200766 case 'L' : strncpy(localpeer, *argv, sizeof(localpeer) - 1); break;
Willy Tarreau5d01a632009-06-22 16:02:30 +0200767 case 'f' :
Maxime de Roucy0f503922016-05-13 23:52:55 +0200768 if (!list_append_word(&cfg_cfgfiles, *argv, &err_msg)) {
769 Alert("Cannot load configuration file/directory %s : %s\n",
770 *argv,
771 err_msg);
Willy Tarreau5d01a632009-06-22 16:02:30 +0200772 exit(1);
773 }
Willy Tarreau5d01a632009-06-22 16:02:30 +0200774 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200775 case 'p' : cfg_pidfile = *argv; break;
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200776 default: usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200777 }
778 }
779 }
780 else
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200781 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200782 argv++; argc--;
783 }
784
785 global.mode = MODE_STARTING | /* during startup, we want most of the alerts */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100786 (arg_mode & (MODE_DAEMON | MODE_SYSTEMD | MODE_FOREGROUND | MODE_VERBOSE
Willy Tarreaubaaee002006-06-26 02:48:02 +0200787 | MODE_QUIET | MODE_CHECK | MODE_DEBUG));
788
Willy Tarreau576132e2011-09-10 19:26:56 +0200789 if (change_dir && chdir(change_dir) < 0) {
790 Alert("Could not change to directory %s : %s\n", change_dir, strerror(errno));
791 exit(1);
792 }
793
Maxime de Roucy379d9c72016-05-13 23:52:56 +0200794 /* handle cfgfiles that are actualy directories */
795 cfgfiles_expand_directories();
796
797 if (LIST_ISEMPTY(&cfg_cfgfiles))
798 usage(progname);
799
Willy Tarreaubaaee002006-06-26 02:48:02 +0200800 global.maxsock = 10; /* reserve 10 fds ; will be incremented by socket eaters */
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200801
802 init_default_instance();
803
Willy Tarreau477ecd82010-01-03 21:12:30 +0100804 list_for_each_entry(wl, &cfg_cfgfiles, list) {
Willy Tarreauc4382422009-12-06 13:10:44 +0100805 int ret;
806
Willy Tarreau477ecd82010-01-03 21:12:30 +0100807 ret = readcfgfile(wl->s);
Willy Tarreauc4382422009-12-06 13:10:44 +0100808 if (ret == -1) {
809 Alert("Could not open configuration file %s : %s\n",
Willy Tarreau477ecd82010-01-03 21:12:30 +0100810 wl->s, strerror(errno));
Willy Tarreauc4382422009-12-06 13:10:44 +0100811 exit(1);
812 }
Willy Tarreau25a67fa2009-12-15 21:46:25 +0100813 if (ret & (ERR_ABORT|ERR_FATAL))
Willy Tarreau477ecd82010-01-03 21:12:30 +0100814 Alert("Error(s) found in configuration file : %s\n", wl->s);
Willy Tarreau25a67fa2009-12-15 21:46:25 +0100815 err_code |= ret;
Willy Tarreau058e9072009-07-20 09:30:05 +0200816 if (err_code & ERR_ABORT)
Willy Tarreau5d01a632009-06-22 16:02:30 +0200817 exit(1);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200818 }
Krzysztof Oledzkib304dc72007-10-14 23:40:01 +0200819
Thierry FOURNIERaf5a29d2014-03-11 14:29:22 +0100820 pattern_finalize_config();
Nenad Merdanovic200b0fa2015-05-09 08:46:01 +0200821#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
822 tlskeys_finalize_config();
823#endif
Thierry FOURNIERaf5a29d2014-03-11 14:29:22 +0100824
Willy Tarreaubb925012009-07-23 13:36:36 +0200825 err_code |= check_config_validity();
826 if (err_code & (ERR_ABORT|ERR_FATAL)) {
827 Alert("Fatal errors found in configuration.\n");
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200828 exit(1);
829 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200830
Willy Tarreau70060452015-12-14 12:46:07 +0100831 /* recompute the amount of per-process memory depending on nbproc and
832 * the shared SSL cache size (allowed to exist in all processes).
833 */
834 if (global.rlimit_memmax_all) {
835#if defined (USE_OPENSSL) && !defined(USE_PRIVATE_CACHE)
836 int64_t ssl_cache_bytes = global.tune.sslcachesize * 200LL;
837
838 global.rlimit_memmax =
839 ((((int64_t)global.rlimit_memmax_all * 1048576LL) -
840 ssl_cache_bytes) / global.nbproc +
841 ssl_cache_bytes + 1048575LL) / 1048576LL;
842#else
843 global.rlimit_memmax = global.rlimit_memmax_all / global.nbproc;
844#endif
845 }
846
KOVACS Krisztianb3e54fe2014-11-17 15:11:45 +0100847#ifdef CONFIG_HAP_NS
848 err_code |= netns_init();
849 if (err_code & (ERR_ABORT|ERR_FATAL)) {
850 Alert("Failed to initialize namespace support.\n");
851 exit(1);
852 }
853#endif
854
Baptiste Assmann4215d7d2016-11-02 15:33:15 +0100855 /* Apply server states */
856 apply_server_state();
857
858 for (px = proxy; px; px = px->next)
859 srv_compute_all_admin_states(px);
860
Baptiste Assmann83cbaa52016-11-02 15:34:05 +0100861 /* Apply servers' configured address */
862 err_code |= srv_init_addr();
863 if (err_code & (ERR_ABORT|ERR_FATAL)) {
864 Alert("Failed to initialize server(s) addr.\n");
865 exit(1);
866 }
867
Willy Tarreaubaaee002006-06-26 02:48:02 +0200868 if (global.mode & MODE_CHECK) {
Willy Tarreau8b15ba12012-02-02 17:48:18 +0100869 struct peers *pr;
870 struct proxy *px;
871
872 for (pr = peers; pr; pr = pr->next)
873 if (pr->peers_fe)
874 break;
875
876 for (px = proxy; px; px = px->next)
Willy Tarreau4348fad2012-09-20 16:48:07 +0200877 if (px->state == PR_STNEW && !LIST_ISEMPTY(&px->conf.listeners))
Willy Tarreau8b15ba12012-02-02 17:48:18 +0100878 break;
879
880 if (pr || px) {
881 /* At least one peer or one listener has been found */
882 qfprintf(stdout, "Configuration file is valid\n");
883 exit(0);
884 }
885 qfprintf(stdout, "Configuration file has no error but will not start (no listener) => exit(2).\n");
886 exit(2);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200887 }
888
Willy Tarreaue9b26022011-08-01 20:57:55 +0200889 global_listener_queue_task = task_new();
890 if (!global_listener_queue_task) {
891 Alert("Out of memory when initializing global task\n");
892 exit(1);
893 }
894 /* very simple initialization, users will queue the task if needed */
895 global_listener_queue_task->context = NULL; /* not even a context! */
896 global_listener_queue_task->process = manage_global_listener_queue;
897 global_listener_queue_task->expire = TICK_ETERNITY;
898
Willy Tarreau8263d2b2012-08-28 00:06:31 +0200899 /* now we know the buffer size, we can initialize the channels and buffers */
Willy Tarreau9b28e032012-10-12 23:49:43 +0200900 init_buffer();
Willy Tarreau8280d642009-09-23 23:37:52 +0200901
Willy Tarreaue6945732016-12-21 19:57:00 +0100902 list_for_each_entry(pcf, &post_check_list, list) {
903 err_code |= pcf->fct();
904 if (err_code & (ERR_ABORT|ERR_FATAL))
905 exit(1);
906 }
907
Willy Tarreaubaaee002006-06-26 02:48:02 +0200908 if (cfg_maxconn > 0)
909 global.maxconn = cfg_maxconn;
910
911 if (cfg_pidfile) {
Willy Tarreaua534fea2008-08-03 12:19:50 +0200912 free(global.pidfile);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200913 global.pidfile = strdup(cfg_pidfile);
914 }
915
Willy Tarreaud0256482015-01-15 21:45:22 +0100916 /* Now we want to compute the maxconn and possibly maxsslconn values.
917 * It's a bit tricky. If memmax is not set, maxconn defaults to
918 * DEFAULT_MAXCONN and maxsslconn defaults to DEFAULT_MAXSSLCONN.
919 *
920 * If memmax is set, then it depends on which values are set. If
921 * maxsslconn is set, we use memmax to determine how many cleartext
922 * connections may be added, and set maxconn to the sum of the two.
923 * If maxconn is set and not maxsslconn, maxsslconn is computed from
924 * the remaining amount of memory between memmax and the cleartext
925 * connections. If neither are set, then it is considered that all
926 * connections are SSL-capable, and maxconn is computed based on this,
927 * then maxsslconn accordingly. We need to know if SSL is used on the
928 * frontends, backends, or both, because when it's used on both sides,
929 * we need twice the value for maxsslconn, but we only count the
930 * handshake once since it is not performed on the two sides at the
931 * same time (frontend-side is terminated before backend-side begins).
932 * The SSL stack is supposed to have filled ssl_session_cost and
Willy Tarreau474b96a2015-01-28 19:03:21 +0100933 * ssl_handshake_cost during its initialization. In any case, if
934 * SYSTEM_MAXCONN is set, we still enforce it as an upper limit for
935 * maxconn in order to protect the system.
Willy Tarreaud0256482015-01-15 21:45:22 +0100936 */
937 if (!global.rlimit_memmax) {
938 if (global.maxconn == 0) {
939 global.maxconn = DEFAULT_MAXCONN;
940 if (global.mode & (MODE_VERBOSE|MODE_DEBUG))
941 fprintf(stderr, "Note: setting global.maxconn to %d.\n", global.maxconn);
942 }
943 }
944#ifdef USE_OPENSSL
945 else if (!global.maxconn && !global.maxsslconn &&
946 (global.ssl_used_frontend || global.ssl_used_backend)) {
947 /* memmax is set, compute everything automatically. Here we want
948 * to ensure that all SSL connections will be served. We take
949 * care of the number of sides where SSL is used, and consider
950 * the worst case : SSL used on both sides and doing a handshake
951 * simultaneously. Note that we can't have more than maxconn
952 * handshakes at a time by definition, so for the worst case of
953 * two SSL conns per connection, we count a single handshake.
954 */
955 int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend;
956 int64_t mem = global.rlimit_memmax * 1048576ULL;
957
958 mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry
959 mem -= global.maxzlibmem;
960 mem = mem * MEM_USABLE_RATIO;
961
962 global.maxconn = mem /
Willy Tarreau87b09662015-04-03 00:22:06 +0200963 ((STREAM_MAX_COST + 2 * global.tune.bufsize) + // stream + 2 buffers per stream
Willy Tarreaud0256482015-01-15 21:45:22 +0100964 sides * global.ssl_session_max_cost + // SSL buffers, one per side
965 global.ssl_handshake_max_cost); // 1 handshake per connection max
966
967 global.maxconn = round_2dig(global.maxconn);
Willy Tarreau474b96a2015-01-28 19:03:21 +0100968#ifdef SYSTEM_MAXCONN
969 if (global.maxconn > DEFAULT_MAXCONN)
970 global.maxconn = DEFAULT_MAXCONN;
971#endif /* SYSTEM_MAXCONN */
Willy Tarreaud0256482015-01-15 21:45:22 +0100972 global.maxsslconn = sides * global.maxconn;
973 if (global.mode & (MODE_VERBOSE|MODE_DEBUG))
974 fprintf(stderr, "Note: setting global.maxconn to %d and global.maxsslconn to %d.\n",
975 global.maxconn, global.maxsslconn);
976 }
977 else if (!global.maxsslconn &&
978 (global.ssl_used_frontend || global.ssl_used_backend)) {
979 /* memmax and maxconn are known, compute maxsslconn automatically.
980 * maxsslconn being forced, we don't know how many of it will be
981 * on each side if both sides are being used. The worst case is
982 * when all connections use only one SSL instance because
983 * handshakes may be on two sides at the same time.
984 */
985 int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend;
986 int64_t mem = global.rlimit_memmax * 1048576ULL;
987 int64_t sslmem;
988
989 mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry
990 mem -= global.maxzlibmem;
991 mem = mem * MEM_USABLE_RATIO;
992
Willy Tarreau87b09662015-04-03 00:22:06 +0200993 sslmem = mem - global.maxconn * (int64_t)(STREAM_MAX_COST + 2 * global.tune.bufsize);
Willy Tarreaud0256482015-01-15 21:45:22 +0100994 global.maxsslconn = sslmem / (global.ssl_session_max_cost + global.ssl_handshake_max_cost);
995 global.maxsslconn = round_2dig(global.maxsslconn);
996
997 if (sslmem <= 0 || global.maxsslconn < sides) {
998 Alert("Cannot compute the automatic maxsslconn because global.maxconn is already too "
999 "high for the global.memmax value (%d MB). The absolute maximum possible value "
1000 "without SSL is %d, but %d was found and SSL is in use.\n",
1001 global.rlimit_memmax,
Willy Tarreau87b09662015-04-03 00:22:06 +02001002 (int)(mem / (STREAM_MAX_COST + 2 * global.tune.bufsize)),
Willy Tarreaud0256482015-01-15 21:45:22 +01001003 global.maxconn);
1004 exit(1);
1005 }
1006
1007 if (global.maxsslconn > sides * global.maxconn)
1008 global.maxsslconn = sides * global.maxconn;
1009
1010 if (global.mode & (MODE_VERBOSE|MODE_DEBUG))
1011 fprintf(stderr, "Note: setting global.maxsslconn to %d\n", global.maxsslconn);
1012 }
1013#endif
1014 else if (!global.maxconn) {
1015 /* memmax and maxsslconn are known/unused, compute maxconn automatically */
1016 int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend;
1017 int64_t mem = global.rlimit_memmax * 1048576ULL;
1018 int64_t clearmem;
1019
1020 if (global.ssl_used_frontend || global.ssl_used_backend)
1021 mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry
1022
1023 mem -= global.maxzlibmem;
1024 mem = mem * MEM_USABLE_RATIO;
1025
1026 clearmem = mem;
1027 if (sides)
1028 clearmem -= (global.ssl_session_max_cost + global.ssl_handshake_max_cost) * (int64_t)global.maxsslconn;
1029
Willy Tarreau87b09662015-04-03 00:22:06 +02001030 global.maxconn = clearmem / (STREAM_MAX_COST + 2 * global.tune.bufsize);
Willy Tarreaud0256482015-01-15 21:45:22 +01001031 global.maxconn = round_2dig(global.maxconn);
Willy Tarreau474b96a2015-01-28 19:03:21 +01001032#ifdef SYSTEM_MAXCONN
1033 if (global.maxconn > DEFAULT_MAXCONN)
1034 global.maxconn = DEFAULT_MAXCONN;
1035#endif /* SYSTEM_MAXCONN */
Willy Tarreaud0256482015-01-15 21:45:22 +01001036
1037 if (clearmem <= 0 || !global.maxconn) {
1038 Alert("Cannot compute the automatic maxconn because global.maxsslconn is already too "
1039 "high for the global.memmax value (%d MB). The absolute maximum possible value "
1040 "is %d, but %d was found.\n",
1041 global.rlimit_memmax,
1042 (int)(mem / (global.ssl_session_max_cost + global.ssl_handshake_max_cost)),
1043 global.maxsslconn);
1044 exit(1);
1045 }
1046
1047 if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) {
1048 if (sides && global.maxsslconn > sides * global.maxconn) {
1049 fprintf(stderr, "Note: global.maxsslconn is forced to %d which causes global.maxconn "
1050 "to be limited to %d. Better reduce global.maxsslconn to get more "
1051 "room for extra connections.\n", global.maxsslconn, global.maxconn);
1052 }
1053 fprintf(stderr, "Note: setting global.maxconn to %d\n", global.maxconn);
1054 }
1055 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001056
Willy Tarreau66aa61f2009-01-18 21:44:07 +01001057 if (!global.maxpipes) {
1058 /* maxpipes not specified. Count how many frontends and backends
1059 * may be using splicing, and bound that to maxconn.
1060 */
1061 struct proxy *cur;
1062 int nbfe = 0, nbbe = 0;
1063
1064 for (cur = proxy; cur; cur = cur->next) {
1065 if (cur->options2 & (PR_O2_SPLIC_ANY)) {
1066 if (cur->cap & PR_CAP_FE)
1067 nbfe += cur->maxconn;
1068 if (cur->cap & PR_CAP_BE)
Willy Tarreauafb48762009-01-25 10:42:05 +01001069 nbbe += cur->fullconn ? cur->fullconn : global.maxconn;
Willy Tarreau66aa61f2009-01-18 21:44:07 +01001070 }
1071 }
1072 global.maxpipes = MAX(nbfe, nbbe);
1073 if (global.maxpipes > global.maxconn)
1074 global.maxpipes = global.maxconn;
Willy Tarreau686ac822009-01-25 14:06:58 +01001075 global.maxpipes /= 4;
Willy Tarreau66aa61f2009-01-18 21:44:07 +01001076 }
1077
1078
Willy Tarreauabacc2c2011-09-07 14:26:33 +02001079 global.hardmaxconn = global.maxconn; /* keep this max value */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001080 global.maxsock += global.maxconn * 2; /* each connection needs two sockets */
Willy Tarreau3ec79b92009-01-18 20:39:42 +01001081 global.maxsock += global.maxpipes * 2; /* each pipe needs two FDs */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001082
Willy Tarreau3c63fd82011-09-07 18:00:47 +02001083 if (global.stats_fe)
1084 global.maxsock += global.stats_fe->maxconn;
1085
1086 if (peers) {
1087 /* peers also need to bypass global maxconn */
1088 struct peers *p = peers;
1089
1090 for (p = peers; p; p = p->next)
1091 if (p->peers_fe)
1092 global.maxsock += p->peers_fe->maxconn;
1093 }
1094
Willy Tarreau1db37712007-06-03 17:16:49 +02001095 if (global.tune.maxpollevents <= 0)
1096 global.tune.maxpollevents = MAX_POLL_EVENTS;
1097
Willy Tarreau6f4a82c2009-03-21 20:43:57 +01001098 if (global.tune.recv_enough == 0)
1099 global.tune.recv_enough = MIN_RECV_AT_ONCE_ENOUGH;
1100
Willy Tarreau27097842015-09-28 13:53:23 +02001101 if (global.tune.maxrewrite < 0)
1102 global.tune.maxrewrite = MAXREWRITE;
1103
Willy Tarreau27a674e2009-08-17 07:23:33 +02001104 if (global.tune.maxrewrite >= global.tune.bufsize / 2)
1105 global.tune.maxrewrite = global.tune.bufsize / 2;
1106
Willy Tarreaubaaee002006-06-26 02:48:02 +02001107 if (arg_mode & (MODE_DEBUG | MODE_FOREGROUND)) {
1108 /* command line debug mode inhibits configuration mode */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001109 global.mode &= ~(MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET);
Willy Tarreau772f0dd2012-10-26 16:04:28 +02001110 global.mode |= (arg_mode & (MODE_DEBUG | MODE_FOREGROUND));
1111 }
1112
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001113 if (arg_mode & (MODE_DAEMON | MODE_SYSTEMD)) {
Willy Tarreau772f0dd2012-10-26 16:04:28 +02001114 /* command line daemon mode inhibits foreground and debug modes mode */
1115 global.mode &= ~(MODE_DEBUG | MODE_FOREGROUND);
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001116 global.mode |= (arg_mode & (MODE_DAEMON | MODE_SYSTEMD));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001117 }
Willy Tarreau772f0dd2012-10-26 16:04:28 +02001118
1119 global.mode |= (arg_mode & (MODE_QUIET | MODE_VERBOSE));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001120
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001121 if ((global.mode & MODE_DEBUG) && (global.mode & (MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET))) {
1122 Warning("<debug> mode incompatible with <quiet>, <daemon> and <systemd>. Keeping <debug> only.\n");
1123 global.mode &= ~(MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001124 }
1125
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001126 if ((global.nbproc > 1) && !(global.mode & (MODE_DAEMON | MODE_SYSTEMD))) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001127 if (!(global.mode & (MODE_FOREGROUND | MODE_DEBUG)))
1128 Warning("<nbproc> is only meaningful in daemon mode. Setting limit to 1 process.\n");
1129 global.nbproc = 1;
1130 }
1131
1132 if (global.nbproc < 1)
1133 global.nbproc = 1;
1134
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02001135 swap_buffer = calloc(1, global.tune.bufsize);
1136 get_http_auth_buff = calloc(1, global.tune.bufsize);
Thierry FOURNIER7e25df32015-07-24 19:31:59 +02001137 static_table_key = calloc(1, sizeof(*static_table_key));
Willy Tarreau8096de92010-02-26 11:12:27 +01001138
Vincent Bernat3c2f2f22016-04-03 13:48:42 +02001139 fdinfo = calloc(1, sizeof(struct fdinfo) * (global.maxsock));
1140 fdtab = calloc(1, sizeof(struct fdtab) * (global.maxsock));
Willy Tarreauef1d1f82007-04-16 00:25:25 +02001141 /*
1142 * Note: we could register external pollers here.
1143 * Built-in pollers have been registered before main().
1144 */
Willy Tarreau4f60f162007-04-08 16:39:58 +02001145
Willy Tarreau43b78992009-01-25 15:42:27 +01001146 if (!(global.tune.options & GTUNE_USE_KQUEUE))
Willy Tarreau1e63130a2007-04-09 12:03:06 +02001147 disable_poller("kqueue");
1148
Willy Tarreau43b78992009-01-25 15:42:27 +01001149 if (!(global.tune.options & GTUNE_USE_EPOLL))
Willy Tarreau4f60f162007-04-08 16:39:58 +02001150 disable_poller("epoll");
1151
Willy Tarreau43b78992009-01-25 15:42:27 +01001152 if (!(global.tune.options & GTUNE_USE_POLL))
Willy Tarreau4f60f162007-04-08 16:39:58 +02001153 disable_poller("poll");
1154
Willy Tarreau43b78992009-01-25 15:42:27 +01001155 if (!(global.tune.options & GTUNE_USE_SELECT))
Willy Tarreau4f60f162007-04-08 16:39:58 +02001156 disable_poller("select");
1157
1158 /* Note: we could disable any poller by name here */
1159
Christopher Fauletb3f4e142016-03-07 12:46:38 +01001160 if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) {
Willy Tarreau2ff76222007-04-09 19:29:56 +02001161 list_pollers(stderr);
Christopher Fauletb3f4e142016-03-07 12:46:38 +01001162 fprintf(stderr, "\n");
1163 list_filters(stderr);
1164 }
Willy Tarreau2ff76222007-04-09 19:29:56 +02001165
Willy Tarreau4f60f162007-04-08 16:39:58 +02001166 if (!init_pollers()) {
Willy Tarreau3fa87b12013-03-31 14:41:15 +02001167 Alert("No polling mechanism available.\n"
1168 " It is likely that haproxy was built with TARGET=generic and that FD_SETSIZE\n"
1169 " is too low on this platform to support maxconn and the number of listeners\n"
1170 " and servers. You should rebuild haproxy specifying your system using TARGET=\n"
1171 " in order to support other polling systems (poll, epoll, kqueue) or reduce the\n"
Prach Pongpanichb837e682013-05-14 20:56:28 +02001172 " global maxconn setting to accommodate the system's limitation. For reference,\n"
Willy Tarreau3fa87b12013-03-31 14:41:15 +02001173 " FD_SETSIZE=%d on this system, global.maxconn=%d resulting in a maximum of\n"
1174 " %d file descriptors. You should thus reduce global.maxconn by %d. Also,\n"
1175 " check build settings using 'haproxy -vv'.\n\n",
1176 FD_SETSIZE, global.maxconn, global.maxsock, (global.maxsock + 1 - FD_SETSIZE) / 2);
Willy Tarreau4f60f162007-04-08 16:39:58 +02001177 exit(1);
1178 }
Willy Tarreau2ff76222007-04-09 19:29:56 +02001179 if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) {
1180 printf("Using %s() as the polling mechanism.\n", cur_poller.name);
Willy Tarreau4f60f162007-04-08 16:39:58 +02001181 }
1182
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +02001183 if (!global.node)
1184 global.node = strdup(hostname);
1185
Thierry FOURNIERa4a0f3d2015-01-23 12:08:30 +01001186 if (!hlua_post_init())
1187 exit(1);
Thomas Holmes6abded42015-05-12 16:23:58 +01001188
Baptiste Assmann325137d2015-04-13 23:40:55 +02001189 /* initialize structures for name resolution */
1190 if (!dns_init_resolvers())
1191 exit(1);
Maxime de Roucy0f503922016-05-13 23:52:55 +02001192
1193 free(err_msg);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001194}
1195
Simon Horman6fb82592011-07-15 13:14:11 +09001196static void deinit_acl_cond(struct acl_cond *cond)
Simon Hormanac821422011-07-15 13:14:09 +09001197{
Simon Hormanac821422011-07-15 13:14:09 +09001198 struct acl_term_suite *suite, *suiteb;
1199 struct acl_term *term, *termb;
1200
Simon Horman6fb82592011-07-15 13:14:11 +09001201 if (!cond)
1202 return;
1203
1204 list_for_each_entry_safe(suite, suiteb, &cond->suites, list) {
1205 list_for_each_entry_safe(term, termb, &suite->terms, list) {
1206 LIST_DEL(&term->list);
1207 free(term);
Simon Hormanac821422011-07-15 13:14:09 +09001208 }
Simon Horman6fb82592011-07-15 13:14:11 +09001209 LIST_DEL(&suite->list);
1210 free(suite);
1211 }
1212
1213 free(cond);
1214}
1215
1216static void deinit_tcp_rules(struct list *rules)
1217{
Thierry FOURNIERa28a9422015-08-04 19:35:46 +02001218 struct act_rule *trule, *truleb;
Simon Horman6fb82592011-07-15 13:14:11 +09001219
1220 list_for_each_entry_safe(trule, truleb, rules, list) {
Simon Hormanac821422011-07-15 13:14:09 +09001221 LIST_DEL(&trule->list);
Simon Horman6fb82592011-07-15 13:14:11 +09001222 deinit_acl_cond(trule->cond);
Simon Hormanac821422011-07-15 13:14:09 +09001223 free(trule);
1224 }
1225}
1226
Simon Horman6fb82592011-07-15 13:14:11 +09001227static void deinit_stick_rules(struct list *rules)
1228{
1229 struct sticking_rule *rule, *ruleb;
1230
1231 list_for_each_entry_safe(rule, ruleb, rules, list) {
1232 LIST_DEL(&rule->list);
1233 deinit_acl_cond(rule->cond);
Christopher Faulet476e5d02016-10-26 11:34:47 +02001234 release_sample_expr(rule->expr);
Simon Horman6fb82592011-07-15 13:14:11 +09001235 free(rule);
1236 }
1237}
1238
Willy Tarreau1b5af7c2016-12-21 18:19:57 +01001239static void deinit(void)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001240{
Willy Tarreau4d2d0982007-05-14 00:39:29 +02001241 struct proxy *p = proxy, *p0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001242 struct cap_hdr *h,*h_next;
1243 struct server *s,*s_next;
1244 struct listener *l,*l_next;
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001245 struct acl_cond *cond, *condb;
1246 struct hdr_exp *exp, *expb;
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001247 struct acl *acl, *aclb;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001248 struct switching_rule *rule, *ruleb;
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001249 struct server_rule *srule, *sruleb;
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001250 struct redirect_rule *rdr, *rdrb;
Willy Tarreaudeb9ed82010-01-03 21:03:22 +01001251 struct wordlist *wl, *wlb;
Willy Tarreauf4f04122010-01-28 18:10:50 +01001252 struct cond_wordlist *cwl, *cwlb;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001253 struct uri_auth *uap, *ua = NULL;
William Lallemand0f99e342011-10-12 17:50:54 +02001254 struct logsrv *log, *logb;
William Lallemand723b73a2012-02-08 16:37:49 +01001255 struct logformat_node *lf, *lfb;
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001256 struct bind_conf *bind_conf, *bind_back;
Willy Tarreaucdb737e2016-12-21 18:43:10 +01001257 struct build_opts_str *bol, *bolb;
Willy Tarreau05554e62016-12-21 20:46:26 +01001258 struct post_deinit_fct *pdf;
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001259 int i;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001260
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001261 deinit_signals();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001262 while (p) {
Willy Tarreau8113a5d2012-10-04 08:01:43 +02001263 free(p->conf.file);
Willy Tarreaua534fea2008-08-03 12:19:50 +02001264 free(p->id);
1265 free(p->check_req);
1266 free(p->cookie_name);
1267 free(p->cookie_domain);
1268 free(p->url_param_name);
1269 free(p->capture_name);
1270 free(p->monitor_uri);
Simon Hormana31c7f72011-07-15 13:14:08 +09001271 free(p->rdp_cookie_name);
Willy Tarreau62a61232013-04-12 18:13:46 +02001272 if (p->conf.logformat_string != default_http_log_format &&
1273 p->conf.logformat_string != default_tcp_log_format &&
1274 p->conf.logformat_string != clf_http_log_format)
1275 free(p->conf.logformat_string);
Willy Tarreau196729e2012-05-31 19:30:26 +02001276
Willy Tarreau62a61232013-04-12 18:13:46 +02001277 free(p->conf.lfs_file);
1278 free(p->conf.uniqueid_format_string);
1279 free(p->conf.uif_file);
Godbachaf1a75d2013-10-02 17:10:11 +08001280 free(p->lbprm.map.srv);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001281
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001282 if (p->conf.logformat_sd_string != default_rfc5424_sd_log_format)
1283 free(p->conf.logformat_sd_string);
1284 free(p->conf.lfsd_file);
1285
Willy Tarreaua534fea2008-08-03 12:19:50 +02001286 for (i = 0; i < HTTP_ERR_SIZE; i++)
Krzysztof Piotr Oledzki78abe612009-09-27 13:23:20 +02001287 chunk_destroy(&p->errmsg[i]);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001288
Willy Tarreauf4f04122010-01-28 18:10:50 +01001289 list_for_each_entry_safe(cwl, cwlb, &p->req_add, list) {
1290 LIST_DEL(&cwl->list);
1291 free(cwl->s);
1292 free(cwl);
Willy Tarreaudeb9ed82010-01-03 21:03:22 +01001293 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001294
Willy Tarreauf4f04122010-01-28 18:10:50 +01001295 list_for_each_entry_safe(cwl, cwlb, &p->rsp_add, list) {
1296 LIST_DEL(&cwl->list);
1297 free(cwl->s);
1298 free(cwl);
Willy Tarreaudeb9ed82010-01-03 21:03:22 +01001299 }
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001300
Willy Tarreaub80c2302007-11-30 20:51:32 +01001301 list_for_each_entry_safe(cond, condb, &p->mon_fail_cond, list) {
1302 LIST_DEL(&cond->list);
1303 prune_acl_cond(cond);
1304 free(cond);
1305 }
1306
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001307 for (exp = p->req_exp; exp != NULL; ) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001308 if (exp->preg) {
Thierry FOURNIER09af0d62014-06-18 11:35:54 +02001309 regex_free(exp->preg);
1310 free(exp->preg);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001311 }
1312
Willy Tarreau98d04852015-05-26 12:18:29 +02001313 free((char *)exp->replace);
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001314 expb = exp;
1315 exp = exp->next;
1316 free(expb);
1317 }
1318
1319 for (exp = p->rsp_exp; exp != NULL; ) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001320 if (exp->preg) {
Thierry FOURNIER09af0d62014-06-18 11:35:54 +02001321 regex_free(exp->preg);
1322 free(exp->preg);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001323 }
1324
Willy Tarreau98d04852015-05-26 12:18:29 +02001325 free((char *)exp->replace);
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001326 expb = exp;
1327 exp = exp->next;
1328 free(expb);
1329 }
1330
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001331 /* build a list of unique uri_auths */
1332 if (!ua)
1333 ua = p->uri_auth;
1334 else {
1335 /* check if p->uri_auth is unique */
1336 for (uap = ua; uap; uap=uap->next)
1337 if (uap == p->uri_auth)
1338 break;
1339
Willy Tarreauaccc4e12008-06-24 11:14:45 +02001340 if (!uap && p->uri_auth) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001341 /* add it, if it is */
1342 p->uri_auth->next = ua;
1343 ua = p->uri_auth;
1344 }
1345 }
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001346
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001347 list_for_each_entry_safe(acl, aclb, &p->acl, list) {
1348 LIST_DEL(&acl->list);
1349 prune_acl(acl);
1350 free(acl);
1351 }
1352
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001353 list_for_each_entry_safe(srule, sruleb, &p->server_rules, list) {
1354 LIST_DEL(&srule->list);
1355 prune_acl_cond(srule->cond);
1356 free(srule->cond);
1357 free(srule);
1358 }
1359
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001360 list_for_each_entry_safe(rule, ruleb, &p->switching_rules, list) {
1361 LIST_DEL(&rule->list);
Willy Tarreauf51658d2014-04-23 01:21:56 +02001362 if (rule->cond) {
1363 prune_acl_cond(rule->cond);
1364 free(rule->cond);
Thierry FOURNIER / OZON.IO4ed1c952016-11-24 23:57:54 +01001365 free(rule->file);
Willy Tarreauf51658d2014-04-23 01:21:56 +02001366 }
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001367 free(rule);
1368 }
1369
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001370 list_for_each_entry_safe(rdr, rdrb, &p->redirect_rules, list) {
1371 LIST_DEL(&rdr->list);
Willy Tarreauf285f542010-01-03 20:03:03 +01001372 if (rdr->cond) {
1373 prune_acl_cond(rdr->cond);
1374 free(rdr->cond);
1375 }
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001376 free(rdr->rdr_str);
Thierry FOURNIERd18cd0f2013-11-29 12:15:45 +01001377 list_for_each_entry_safe(lf, lfb, &rdr->rdr_fmt, list) {
1378 LIST_DEL(&lf->list);
1379 free(lf);
1380 }
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001381 free(rdr);
1382 }
1383
William Lallemand0f99e342011-10-12 17:50:54 +02001384 list_for_each_entry_safe(log, logb, &p->logsrvs, list) {
1385 LIST_DEL(&log->list);
1386 free(log);
1387 }
1388
William Lallemand723b73a2012-02-08 16:37:49 +01001389 list_for_each_entry_safe(lf, lfb, &p->logformat, list) {
1390 LIST_DEL(&lf->list);
1391 free(lf);
1392 }
1393
Dragan Dosen0b85ece2015-09-25 19:17:44 +02001394 list_for_each_entry_safe(lf, lfb, &p->logformat_sd, list) {
1395 LIST_DEL(&lf->list);
1396 free(lf);
1397 }
1398
Simon Hormanac821422011-07-15 13:14:09 +09001399 deinit_tcp_rules(&p->tcp_req.inspect_rules);
1400 deinit_tcp_rules(&p->tcp_req.l4_rules);
1401
Simon Horman6fb82592011-07-15 13:14:11 +09001402 deinit_stick_rules(&p->storersp_rules);
1403 deinit_stick_rules(&p->sticking_rules);
1404
Willy Tarreaubaaee002006-06-26 02:48:02 +02001405 h = p->req_cap;
1406 while (h) {
1407 h_next = h->next;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001408 free(h->name);
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001409 pool_destroy2(h->pool);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001410 free(h);
1411 h = h_next;
1412 }/* end while(h) */
1413
1414 h = p->rsp_cap;
1415 while (h) {
1416 h_next = h->next;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001417 free(h->name);
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001418 pool_destroy2(h->pool);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001419 free(h);
1420 h = h_next;
1421 }/* end while(h) */
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001422
Willy Tarreaubaaee002006-06-26 02:48:02 +02001423 s = p->srv;
1424 while (s) {
1425 s_next = s->next;
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001426
Willy Tarreau5b3a2022012-09-28 15:01:02 +02001427 if (s->check.task) {
1428 task_delete(s->check.task);
1429 task_free(s->check.task);
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001430 }
Simon Hormand60d6912013-11-25 10:46:36 +09001431 if (s->agent.task) {
1432 task_delete(s->agent.task);
1433 task_free(s->agent.task);
1434 }
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001435
Willy Tarreau2e993902011-10-31 11:53:20 +01001436 if (s->warmup) {
1437 task_delete(s->warmup);
1438 task_free(s->warmup);
1439 }
1440
Willy Tarreaua534fea2008-08-03 12:19:50 +02001441 free(s->id);
1442 free(s->cookie);
Willy Tarreau1ae1b7b2012-09-28 15:28:30 +02001443 free(s->check.bi);
1444 free(s->check.bo);
Simon Hormand60d6912013-11-25 10:46:36 +09001445 free(s->agent.bi);
1446 free(s->agent.bo);
James Brown55f9ff12015-10-21 18:19:05 -07001447 free(s->agent.send_string);
Sárközi, László34c01792014-09-05 10:08:23 +02001448 free((char*)s->conf.file);
Christopher Faulet77fe80c2015-07-29 13:02:40 +02001449#ifdef USE_OPENSSL
1450 if (s->use_ssl || s->check.use_ssl)
1451 ssl_sock_free_srv_ctx(s);
1452#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +02001453 free(s);
1454 s = s_next;
1455 }/* end while(s) */
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001456
Willy Tarreau4348fad2012-09-20 16:48:07 +02001457 list_for_each_entry_safe(l, l_next, &p->conf.listeners, by_fe) {
Willy Tarreauf6e2cc72010-09-03 10:38:17 +02001458 unbind_listener(l);
1459 delete_listener(l);
Willy Tarreau4348fad2012-09-20 16:48:07 +02001460 LIST_DEL(&l->by_fe);
1461 LIST_DEL(&l->by_bind);
Krzysztof Piotr Oledzkiaff01ea2010-02-05 20:31:44 +01001462 free(l->name);
1463 free(l->counters);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001464 free(l);
Willy Tarreau4348fad2012-09-20 16:48:07 +02001465 }
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001466
Willy Tarreau4348fad2012-09-20 16:48:07 +02001467 /* Release unused SSL configs. */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001468 list_for_each_entry_safe(bind_conf, bind_back, &p->conf.bind, by_fe) {
1469#ifdef USE_OPENSSL
Christopher Faulet31af49d2015-06-09 17:29:50 +02001470 ssl_sock_free_ca(bind_conf);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001471 ssl_sock_free_all_ctx(bind_conf);
Emeric Brunfb510ea2012-10-05 12:00:26 +02001472 free(bind_conf->ca_file);
Christopher Faulet31af49d2015-06-09 17:29:50 +02001473 free(bind_conf->ca_sign_file);
1474 free(bind_conf->ca_sign_pass);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001475 free(bind_conf->ciphers);
Emeric Brun2b58d042012-09-20 17:10:03 +02001476 free(bind_conf->ecdhe);
Emeric Brunfb510ea2012-10-05 12:00:26 +02001477 free(bind_conf->crl_file);
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02001478#endif /* USE_OPENSSL */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001479 free(bind_conf->file);
1480 free(bind_conf->arg);
1481 LIST_DEL(&bind_conf->by_fe);
1482 free(bind_conf);
1483 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02001484
Christopher Fauletd7c91962015-04-30 11:48:27 +02001485 flt_deinit(p);
1486
Krzysztof Piotr Oledzkiaff01ea2010-02-05 20:31:44 +01001487 free(p->desc);
1488 free(p->fwdfor_hdr_name);
1489
Willy Tarreauff011f22011-01-06 17:51:27 +01001490 free_http_req_rules(&p->http_req_rules);
Sasha Pachev218f0642014-06-16 12:05:59 -06001491 free_http_res_rules(&p->http_res_rules);
Willy Tarreau918ff602011-07-25 16:33:49 +02001492 free(p->task);
Krzysztof Piotr Oledzki59bb2182010-01-29 17:58:21 +01001493
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001494 pool_destroy2(p->req_cap_pool);
1495 pool_destroy2(p->rsp_cap_pool);
Simon Hormanb08584a2011-07-15 13:14:10 +09001496 pool_destroy2(p->table.pool);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001497
Willy Tarreau4d2d0982007-05-14 00:39:29 +02001498 p0 = p;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001499 p = p->next;
Willy Tarreau4d2d0982007-05-14 00:39:29 +02001500 free(p0);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001501 }/* end while(p) */
Willy Tarreaudd815982007-10-16 12:25:14 +02001502
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001503 while (ua) {
1504 uap = ua;
1505 ua = ua->next;
1506
Willy Tarreaua534fea2008-08-03 12:19:50 +02001507 free(uap->uri_prefix);
1508 free(uap->auth_realm);
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +02001509 free(uap->node);
1510 free(uap->desc);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001511
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01001512 userlist_free(uap->userlist);
Willy Tarreauff011f22011-01-06 17:51:27 +01001513 free_http_req_rules(&uap->http_req_rules);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01001514
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001515 free(uap);
1516 }
1517
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001518 userlist_free(userlist);
1519
David Carlier834cb2e2015-09-25 12:02:25 +01001520 cfg_unregister_sections();
1521
1522 free_trash_buffers();
1523 chunk_destroy(&trash);
1524
Willy Tarreaudd815982007-10-16 12:25:14 +02001525 protocol_unbind_all();
1526
Willy Tarreau05554e62016-12-21 20:46:26 +01001527 list_for_each_entry(pdf, &post_deinit_list, list)
1528 pdf->fct();
1529
Joe Williamsdf5b38f2010-12-29 17:05:48 +01001530 free(global.log_send_hostname); global.log_send_hostname = NULL;
Dragan Dosen43885c72015-10-01 13:18:13 +02001531 chunk_destroy(&global.log_tag);
Willy Tarreaua534fea2008-08-03 12:19:50 +02001532 free(global.chroot); global.chroot = NULL;
1533 free(global.pidfile); global.pidfile = NULL;
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +02001534 free(global.node); global.node = NULL;
1535 free(global.desc); global.desc = NULL;
Godbach4cc1b0d2013-06-26 16:49:51 +08001536 free(fdinfo); fdinfo = NULL;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001537 free(fdtab); fdtab = NULL;
1538 free(oldpids); oldpids = NULL;
David Carlier834cb2e2015-09-25 12:02:25 +01001539 free(static_table_key); static_table_key = NULL;
1540 free(get_http_auth_buff); get_http_auth_buff = NULL;
1541 free(swap_buffer); swap_buffer = NULL;
Willy Tarreaue9b26022011-08-01 20:57:55 +02001542 free(global_listener_queue_task); global_listener_queue_task = NULL;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001543
William Lallemand0f99e342011-10-12 17:50:54 +02001544 list_for_each_entry_safe(log, logb, &global.logsrvs, list) {
1545 LIST_DEL(&log->list);
1546 free(log);
1547 }
Willy Tarreau477ecd82010-01-03 21:12:30 +01001548 list_for_each_entry_safe(wl, wlb, &cfg_cfgfiles, list) {
Maxime de Roucy0f503922016-05-13 23:52:55 +02001549 free(wl->s);
Willy Tarreau477ecd82010-01-03 21:12:30 +01001550 LIST_DEL(&wl->list);
1551 free(wl);
1552 }
1553
Willy Tarreaucdb737e2016-12-21 18:43:10 +01001554 list_for_each_entry_safe(bol, bolb, &build_opts_list, list) {
1555 if (bol->must_free)
1556 free((void *)bol->str);
1557 LIST_DEL(&bol->list);
1558 free(bol);
1559 }
1560
Christopher Fauletff2613e2016-11-09 11:36:17 +01001561 vars_prune(&global.vars, NULL, NULL);
1562
Willy Tarreau87b09662015-04-03 00:22:06 +02001563 pool_destroy2(pool2_stream);
Willy Tarreaufeb76402015-04-03 14:10:06 +02001564 pool_destroy2(pool2_session);
Willy Tarreauf2943dc2012-10-26 20:10:28 +02001565 pool_destroy2(pool2_connection);
Willy Tarreau9b28e032012-10-12 23:49:43 +02001566 pool_destroy2(pool2_buffer);
Willy Tarreau332f8bf2007-05-13 21:36:56 +02001567 pool_destroy2(pool2_requri);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +02001568 pool_destroy2(pool2_task);
Willy Tarreau086b3b42007-05-13 21:45:51 +02001569 pool_destroy2(pool2_capture);
Willy Tarreaue4d7e552007-05-13 20:19:55 +02001570 pool_destroy2(pool2_pendconn);
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001571 pool_destroy2(pool2_sig_handlers);
Willy Tarreau34eb6712011-10-24 18:15:04 +02001572 pool_destroy2(pool2_hdr_idx);
Willy Tarreau63986c72015-04-03 22:55:33 +02001573 pool_destroy2(pool2_http_txn);
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001574 deinit_pollers();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001575} /* end deinit() */
1576
Willy Tarreaubb545b42010-08-25 12:58:59 +02001577/* sends the signal <sig> to all pids found in <oldpids>. Returns the number of
1578 * pids the signal was correctly delivered to.
1579 */
1580static int tell_old_pids(int sig)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001581{
1582 int p;
Willy Tarreaubb545b42010-08-25 12:58:59 +02001583 int ret = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001584 for (p = 0; p < nb_oldpids; p++)
Willy Tarreaubb545b42010-08-25 12:58:59 +02001585 if (kill(oldpids[p], sig) == 0)
1586 ret++;
1587 return ret;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001588}
1589
Willy Tarreau918ff602011-07-25 16:33:49 +02001590/* Runs the polling loop */
Willy Tarreau1b5af7c2016-12-21 18:19:57 +01001591static void run_poll_loop()
Willy Tarreau4f60f162007-04-08 16:39:58 +02001592{
Willy Tarreau0c303ee2008-07-07 00:09:58 +02001593 int next;
Willy Tarreau4f60f162007-04-08 16:39:58 +02001594
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02001595 tv_update_date(0,1);
Willy Tarreau4f60f162007-04-08 16:39:58 +02001596 while (1) {
Thierry FOURNIER9cf7c4b2014-12-15 13:26:01 +01001597 /* Process a few tasks */
1598 process_runnable_tasks();
1599
Willy Tarreau29857942009-05-10 09:01:21 +02001600 /* check if we caught some signals and process them */
1601 signal_process_queue();
1602
Willy Tarreau58b458d2008-06-29 22:40:23 +02001603 /* Check if we can expire some tasks */
Thierry FOURNIER9cf7c4b2014-12-15 13:26:01 +01001604 next = wake_expired_tasks();
Willy Tarreau4f60f162007-04-08 16:39:58 +02001605
Willy Tarreauaf7ad002010-08-31 15:39:26 +02001606 /* stop when there's nothing left to do */
1607 if (jobs == 0)
Willy Tarreau4f60f162007-04-08 16:39:58 +02001608 break;
1609
Willy Tarreau10146c92015-04-13 20:44:19 +02001610 /* expire immediately if events are pending */
Christopher Faulet34c5cc92016-12-06 09:15:30 +01001611 if (fd_cache_num || tasks_run_queue || signal_queue_len || applets_active_queue)
Willy Tarreau10146c92015-04-13 20:44:19 +02001612 next = now_ms;
1613
Willy Tarreau58b458d2008-06-29 22:40:23 +02001614 /* The poller will ensure it returns around <next> */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02001615 cur_poller.poll(&cur_poller, next);
Willy Tarreau033cd9d2014-01-25 19:24:15 +01001616 fd_process_cached_events();
Willy Tarreau3c595ac2015-04-19 09:59:31 +02001617 applet_run_active();
Willy Tarreau4f60f162007-04-08 16:39:58 +02001618 }
1619}
1620
Willy Tarreaue9b26022011-08-01 20:57:55 +02001621/* This is the global management task for listeners. It enables listeners waiting
1622 * for global resources when there are enough free resource, or at least once in
1623 * a while. It is designed to be called as a task.
1624 */
1625static struct task *manage_global_listener_queue(struct task *t)
1626{
1627 int next = TICK_ETERNITY;
Willy Tarreaue9b26022011-08-01 20:57:55 +02001628 /* queue is empty, nothing to do */
1629 if (LIST_ISEMPTY(&global_listener_queue))
1630 goto out;
1631
1632 /* If there are still too many concurrent connections, let's wait for
1633 * some of them to go away. We don't need to re-arm the timer because
1634 * each of them will scan the queue anyway.
1635 */
1636 if (unlikely(actconn >= global.maxconn))
1637 goto out;
1638
1639 /* We should periodically try to enable listeners waiting for a global
1640 * resource here, because it is possible, though very unlikely, that
1641 * they have been blocked by a temporary lack of global resource such
1642 * as a file descriptor or memory and that the temporary condition has
1643 * disappeared.
1644 */
Willy Tarreauabacc2c2011-09-07 14:26:33 +02001645 dequeue_all_listeners(&global_listener_queue);
Willy Tarreaue9b26022011-08-01 20:57:55 +02001646
1647 out:
1648 t->expire = next;
1649 task_queue(t);
1650 return t;
1651}
Willy Tarreau4f60f162007-04-08 16:39:58 +02001652
Willy Tarreaubaaee002006-06-26 02:48:02 +02001653int main(int argc, char **argv)
1654{
1655 int err, retry;
1656 struct rlimit limit;
Emeric Bruncf20bf12010-10-22 16:06:11 +02001657 char errmsg[100];
Willy Tarreau269ab312012-09-05 08:02:48 +02001658 int pidfd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001659
Emeric Bruncf20bf12010-10-22 16:06:11 +02001660 init(argc, argv);
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001661 signal_register_fct(SIGQUIT, dump, SIGQUIT);
1662 signal_register_fct(SIGUSR1, sig_soft_stop, SIGUSR1);
1663 signal_register_fct(SIGHUP, sig_dump_state, SIGHUP);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001664
Willy Tarreaue437c442010-03-17 18:02:46 +01001665 /* Always catch SIGPIPE even on platforms which define MSG_NOSIGNAL.
1666 * Some recent FreeBSD setups report broken pipes, and MSG_NOSIGNAL
1667 * was defined there, so let's stay on the safe side.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001668 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001669 signal_register_fct(SIGPIPE, NULL, 0);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001670
Willy Tarreaudc23a922011-02-16 11:10:36 +01001671 /* ulimits */
1672 if (!global.rlimit_nofile)
1673 global.rlimit_nofile = global.maxsock;
1674
1675 if (global.rlimit_nofile) {
1676 limit.rlim_cur = limit.rlim_max = global.rlimit_nofile;
1677 if (setrlimit(RLIMIT_NOFILE, &limit) == -1) {
Willy Tarreauef635472016-06-21 11:48:18 +02001678 /* try to set it to the max possible at least */
1679 getrlimit(RLIMIT_NOFILE, &limit);
Willy Tarreau164dd0b2016-06-21 11:51:59 +02001680 limit.rlim_cur = limit.rlim_max;
1681 if (setrlimit(RLIMIT_NOFILE, &limit) != -1)
1682 getrlimit(RLIMIT_NOFILE, &limit);
1683
Willy Tarreauef635472016-06-21 11:48:18 +02001684 Warning("[%s.main()] Cannot raise FD limit to %d, limit is %d.\n", argv[0], global.rlimit_nofile, (int)limit.rlim_cur);
1685 global.rlimit_nofile = limit.rlim_cur;
Willy Tarreaudc23a922011-02-16 11:10:36 +01001686 }
1687 }
1688
1689 if (global.rlimit_memmax) {
1690 limit.rlim_cur = limit.rlim_max =
Willy Tarreau70060452015-12-14 12:46:07 +01001691 global.rlimit_memmax * 1048576ULL;
Willy Tarreaudc23a922011-02-16 11:10:36 +01001692#ifdef RLIMIT_AS
1693 if (setrlimit(RLIMIT_AS, &limit) == -1) {
1694 Warning("[%s.main()] Cannot fix MEM limit to %d megs.\n",
1695 argv[0], global.rlimit_memmax);
1696 }
1697#else
1698 if (setrlimit(RLIMIT_DATA, &limit) == -1) {
1699 Warning("[%s.main()] Cannot fix MEM limit to %d megs.\n",
1700 argv[0], global.rlimit_memmax);
1701 }
1702#endif
1703 }
1704
Willy Tarreaubaaee002006-06-26 02:48:02 +02001705 /* We will loop at most 100 times with 10 ms delay each time.
1706 * That's at most 1 second. We only send a signal to old pids
1707 * if we cannot grab at least one port.
1708 */
1709 retry = MAX_START_RETRIES;
1710 err = ERR_NONE;
1711 while (retry >= 0) {
1712 struct timeval w;
1713 err = start_proxies(retry == 0 || nb_oldpids == 0);
Willy Tarreaue13e9252007-12-20 23:05:50 +01001714 /* exit the loop on no error or fatal error */
1715 if ((err & (ERR_RETRYABLE|ERR_FATAL)) != ERR_RETRYABLE)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001716 break;
Willy Tarreaubb545b42010-08-25 12:58:59 +02001717 if (nb_oldpids == 0 || retry == 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001718 break;
1719
1720 /* FIXME-20060514: Solaris and OpenBSD do not support shutdown() on
1721 * listening sockets. So on those platforms, it would be wiser to
1722 * simply send SIGUSR1, which will not be undoable.
1723 */
Willy Tarreaubb545b42010-08-25 12:58:59 +02001724 if (tell_old_pids(SIGTTOU) == 0) {
1725 /* no need to wait if we can't contact old pids */
1726 retry = 0;
1727 continue;
1728 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001729 /* give some time to old processes to stop listening */
1730 w.tv_sec = 0;
1731 w.tv_usec = 10*1000;
1732 select(0, NULL, NULL, NULL, &w);
1733 retry--;
1734 }
1735
1736 /* Note: start_proxies() sends an alert when it fails. */
Willy Tarreau0a3b9d92009-02-04 17:05:23 +01001737 if ((err & ~ERR_WARN) != ERR_NONE) {
Willy Tarreauf68da462009-06-09 14:36:00 +02001738 if (retry != MAX_START_RETRIES && nb_oldpids) {
1739 protocol_unbind_all(); /* cleanup everything we can */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001740 tell_old_pids(SIGTTIN);
Willy Tarreauf68da462009-06-09 14:36:00 +02001741 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001742 exit(1);
1743 }
1744
1745 if (listeners == 0) {
Willy Tarreauf2ee0162015-08-09 11:01:51 +02001746 Alert("[%s.main()] No enabled listener found (check for 'bind' directives) ! Exiting.\n", argv[0]);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001747 /* Note: we don't have to send anything to the old pids because we
1748 * never stopped them. */
1749 exit(1);
1750 }
1751
Emeric Bruncf20bf12010-10-22 16:06:11 +02001752 err = protocol_bind_all(errmsg, sizeof(errmsg));
1753 if ((err & ~ERR_WARN) != ERR_NONE) {
1754 if ((err & ERR_ALERT) || (err & ERR_WARN))
1755 Alert("[%s.main()] %s.\n", argv[0], errmsg);
1756
Willy Tarreaudd815982007-10-16 12:25:14 +02001757 Alert("[%s.main()] Some protocols failed to start their listeners! Exiting.\n", argv[0]);
1758 protocol_unbind_all(); /* cleanup everything we can */
1759 if (nb_oldpids)
1760 tell_old_pids(SIGTTIN);
1761 exit(1);
Emeric Bruncf20bf12010-10-22 16:06:11 +02001762 } else if (err & ERR_WARN) {
1763 Alert("[%s.main()] %s.\n", argv[0], errmsg);
Willy Tarreaudd815982007-10-16 12:25:14 +02001764 }
1765
Willy Tarreaubaaee002006-06-26 02:48:02 +02001766 /* prepare pause/play signals */
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001767 signal_register_fct(SIGTTOU, sig_pause, SIGTTOU);
1768 signal_register_fct(SIGTTIN, sig_listen, SIGTTIN);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001769
Willy Tarreaubaaee002006-06-26 02:48:02 +02001770 /* MODE_QUIET can inhibit alerts and warnings below this line */
1771
1772 global.mode &= ~MODE_STARTING;
1773 if ((global.mode & MODE_QUIET) && !(global.mode & MODE_VERBOSE)) {
1774 /* detach from the tty */
1775 fclose(stdin); fclose(stdout); fclose(stderr);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001776 }
1777
1778 /* open log & pid files before the chroot */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001779 if (global.mode & (MODE_DAEMON | MODE_SYSTEMD) && global.pidfile != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001780 unlink(global.pidfile);
1781 pidfd = open(global.pidfile, O_CREAT | O_WRONLY | O_TRUNC, 0644);
1782 if (pidfd < 0) {
1783 Alert("[%s.main()] Cannot create pidfile %s\n", argv[0], global.pidfile);
1784 if (nb_oldpids)
1785 tell_old_pids(SIGTTIN);
Willy Tarreaudd815982007-10-16 12:25:14 +02001786 protocol_unbind_all();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001787 exit(1);
1788 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001789 }
1790
Willy Tarreaub38651a2007-03-24 17:24:39 +01001791 if ((global.last_checks & LSTCHK_NETADM) && global.uid) {
1792 Alert("[%s.main()] Some configuration options require full privileges, so global.uid cannot be changed.\n"
Willy Tarreau4e30ed72009-02-04 18:02:48 +01001793 "", argv[0]);
Willy Tarreaudd815982007-10-16 12:25:14 +02001794 protocol_unbind_all();
Willy Tarreaub38651a2007-03-24 17:24:39 +01001795 exit(1);
1796 }
1797
Willy Tarreau4e30ed72009-02-04 18:02:48 +01001798 /* If the user is not root, we'll still let him try the configuration
1799 * but we inform him that unexpected behaviour may occur.
1800 */
1801 if ((global.last_checks & LSTCHK_NETADM) && getuid())
1802 Warning("[%s.main()] Some options which require full privileges"
1803 " might not work well.\n"
1804 "", argv[0]);
1805
Willy Tarreauf223cc02007-10-15 18:57:08 +02001806 /* chroot if needed */
1807 if (global.chroot != NULL) {
Willy Tarreau21337822012-04-29 14:11:38 +02001808 if (chroot(global.chroot) == -1 || chdir("/") == -1) {
Willy Tarreauf223cc02007-10-15 18:57:08 +02001809 Alert("[%s.main()] Cannot chroot(%s).\n", argv[0], global.chroot);
1810 if (nb_oldpids)
1811 tell_old_pids(SIGTTIN);
Willy Tarreaudd815982007-10-16 12:25:14 +02001812 protocol_unbind_all();
Willy Tarreauf223cc02007-10-15 18:57:08 +02001813 exit(1);
1814 }
Willy Tarreauf223cc02007-10-15 18:57:08 +02001815 }
1816
Willy Tarreaubaaee002006-06-26 02:48:02 +02001817 if (nb_oldpids)
Willy Tarreaubb545b42010-08-25 12:58:59 +02001818 nb_oldpids = tell_old_pids(oldpids_sig);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001819
1820 /* Note that any error at this stage will be fatal because we will not
1821 * be able to restart the old pids.
1822 */
1823
1824 /* setgid / setuid */
Michael Schererab012dd2013-01-12 18:35:19 +01001825 if (global.gid) {
1826 if (getgroups(0, NULL) > 0 && setgroups(0, NULL) == -1)
1827 Warning("[%s.main()] Failed to drop supplementary groups. Using 'gid'/'group'"
1828 " without 'uid'/'user' is generally useless.\n", argv[0]);
1829
1830 if (setgid(global.gid) == -1) {
1831 Alert("[%s.main()] Cannot set gid %d.\n", argv[0], global.gid);
1832 protocol_unbind_all();
1833 exit(1);
1834 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001835 }
1836
1837 if (global.uid && setuid(global.uid) == -1) {
1838 Alert("[%s.main()] Cannot set uid %d.\n", argv[0], global.uid);
Willy Tarreaudd815982007-10-16 12:25:14 +02001839 protocol_unbind_all();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001840 exit(1);
1841 }
1842
1843 /* check ulimits */
1844 limit.rlim_cur = limit.rlim_max = 0;
1845 getrlimit(RLIMIT_NOFILE, &limit);
1846 if (limit.rlim_cur < global.maxsock) {
1847 Warning("[%s.main()] FD limit (%d) too low for maxconn=%d/maxsock=%d. Please raise 'ulimit-n' to %d or more to avoid any trouble.\n",
Willy Tarreau1772ece2009-04-03 14:49:12 +02001848 argv[0], (int)limit.rlim_cur, global.maxconn, global.maxsock, global.maxsock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001849 }
1850
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001851 if (global.mode & (MODE_DAEMON | MODE_SYSTEMD)) {
Willy Tarreau0b9c02c2009-02-04 22:05:05 +01001852 struct proxy *px;
Willy Tarreauf83d3fe2015-05-01 19:13:41 +02001853 struct peers *curpeers;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001854 int ret = 0;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001855 int *children = calloc(global.nbproc, sizeof(int));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001856 int proc;
Willy Tarreaub9571092016-10-25 17:20:24 +02001857 char *wrapper_fd;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001858
1859 /* the father launches the required number of processes */
1860 for (proc = 0; proc < global.nbproc; proc++) {
1861 ret = fork();
1862 if (ret < 0) {
1863 Alert("[%s.main()] Cannot fork.\n", argv[0]);
Willy Tarreaudd815982007-10-16 12:25:14 +02001864 protocol_unbind_all();
Willy Tarreaud6803712007-10-16 07:44:56 +02001865 exit(1); /* there has been an error */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001866 }
1867 else if (ret == 0) /* child breaks here */
1868 break;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001869 children[proc] = ret;
Willy Tarreau269ab312012-09-05 08:02:48 +02001870 if (pidfd >= 0) {
1871 char pidstr[100];
1872 snprintf(pidstr, sizeof(pidstr), "%d\n", ret);
Willy Tarreau89efaed2013-12-13 15:14:55 +01001873 shut_your_big_mouth_gcc(write(pidfd, pidstr, strlen(pidstr)));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001874 }
Willy Tarreaudcd47712007-11-04 23:35:08 +01001875 relative_pid++; /* each child will get a different one */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001876 }
Willy Tarreaufc6c0322012-11-16 16:12:27 +01001877
1878#ifdef USE_CPU_AFFINITY
1879 if (proc < global.nbproc && /* child */
Willy Tarreaue7597492015-04-20 11:36:57 +02001880 proc < LONGBITS && /* only the first 32/64 processes may be pinned */
Willy Tarreaufc6c0322012-11-16 16:12:27 +01001881 global.cpu_map[proc]) /* only do this if the process has a CPU map */
Pieter Baauwcaa6a1b2015-09-17 21:26:40 +02001882#ifdef __FreeBSD__
1883 cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, sizeof(unsigned long), (void *)&global.cpu_map[proc]);
1884#else
Willy Tarreaufc6c0322012-11-16 16:12:27 +01001885 sched_setaffinity(0, sizeof(unsigned long), (void *)&global.cpu_map[proc]);
1886#endif
Pieter Baauwcaa6a1b2015-09-17 21:26:40 +02001887#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +02001888 /* close the pidfile both in children and father */
Willy Tarreau269ab312012-09-05 08:02:48 +02001889 if (pidfd >= 0) {
1890 //lseek(pidfd, 0, SEEK_SET); /* debug: emulate eglibc bug */
1891 close(pidfd);
1892 }
Willy Tarreaud137dd32010-08-25 12:49:05 +02001893
Willy Tarreaub9571092016-10-25 17:20:24 +02001894 /* each child must notify the wrapper that it's ready by closing the requested fd */
1895 wrapper_fd = getenv("HAPROXY_WRAPPER_FD");
1896 if (wrapper_fd) {
1897 int pipe_fd = atoi(wrapper_fd);
1898
1899 if (pipe_fd >= 0)
1900 close(pipe_fd);
1901 }
1902
Willy Tarreaud137dd32010-08-25 12:49:05 +02001903 /* We won't ever use this anymore */
1904 free(oldpids); oldpids = NULL;
1905 free(global.chroot); global.chroot = NULL;
1906 free(global.pidfile); global.pidfile = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001907
Willy Tarreauedaff0a2015-05-01 17:01:08 +02001908 if (proc == global.nbproc) {
1909 if (global.mode & MODE_SYSTEMD) {
William Lallemand6ad6bde2016-01-14 18:10:30 +01001910 int i;
1911
Willy Tarreauedaff0a2015-05-01 17:01:08 +02001912 protocol_unbind_all();
William Lallemand6ad6bde2016-01-14 18:10:30 +01001913 for (i = 1; i < argc; i++) {
1914 memset(argv[i], '\0', strlen(argv[i]));
1915 }
1916 /* it's OK because "-Ds -f x" is the shortest form going here */
1917 memcpy(argv[0] + strlen(argv[0]), "-master", 8);
Willy Tarreauedaff0a2015-05-01 17:01:08 +02001918 for (proc = 0; proc < global.nbproc; proc++)
1919 while (waitpid(children[proc], NULL, 0) == -1 && errno == EINTR);
1920 }
1921 exit(0); /* parent must leave */
1922 }
1923
Willy Tarreau0b9c02c2009-02-04 22:05:05 +01001924 /* we might have to unbind some proxies from some processes */
1925 px = proxy;
1926 while (px != NULL) {
1927 if (px->bind_proc && px->state != PR_STSTOPPED) {
Willy Tarreaua9db57e2013-01-18 11:29:29 +01001928 if (!(px->bind_proc & (1UL << proc)))
Willy Tarreau0b9c02c2009-02-04 22:05:05 +01001929 stop_proxy(px);
1930 }
1931 px = px->next;
1932 }
1933
Willy Tarreauf83d3fe2015-05-01 19:13:41 +02001934 /* we might have to unbind some peers sections from some processes */
1935 for (curpeers = peers; curpeers; curpeers = curpeers->next) {
1936 if (!curpeers->peers_fe)
1937 continue;
1938
1939 if (curpeers->peers_fe->bind_proc & (1UL << proc))
1940 continue;
1941
1942 stop_proxy(curpeers->peers_fe);
1943 /* disable this peer section so that it kills itself */
Willy Tarreau47c8c022015-09-28 16:39:25 +02001944 signal_unregister_handler(curpeers->sighandler);
1945 task_delete(curpeers->sync_task);
1946 task_free(curpeers->sync_task);
1947 curpeers->sync_task = NULL;
1948 task_free(curpeers->peers_fe->task);
1949 curpeers->peers_fe->task = NULL;
Willy Tarreauf83d3fe2015-05-01 19:13:41 +02001950 curpeers->peers_fe = NULL;
1951 }
1952
Dirkjan Bussink07fcaaa2014-04-28 22:57:16 +00001953 free(children);
1954 children = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001955 /* if we're NOT in QUIET mode, we should now close the 3 first FDs to ensure
1956 * that we can detach from the TTY. We MUST NOT do it in other cases since
1957 * it would have already be done, and 0-2 would have been affected to listening
1958 * sockets
1959 */
Willy Tarreau106cb762008-11-16 07:40:34 +01001960 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001961 /* detach from the tty */
1962 fclose(stdin); fclose(stdout); fclose(stderr);
Willy Tarreau106cb762008-11-16 07:40:34 +01001963 global.mode &= ~MODE_VERBOSE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001964 global.mode |= MODE_QUIET; /* ensure that we won't say anything from now */
1965 }
1966 pid = getpid(); /* update child's pid */
1967 setsid();
Willy Tarreau2ff76222007-04-09 19:29:56 +02001968 fork_poller();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001969 }
1970
Willy Tarreaudd815982007-10-16 12:25:14 +02001971 protocol_enable_all();
Willy Tarreau4f60f162007-04-08 16:39:58 +02001972 /*
1973 * That's it : the central polling loop. Run until we stop.
1974 */
1975 run_poll_loop();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001976
Willy Tarreaubaaee002006-06-26 02:48:02 +02001977 /* Do some cleanup */
1978 deinit();
1979
1980 exit(0);
1981}
1982
1983
1984/*
1985 * Local variables:
1986 * c-indent-level: 8
1987 * c-basic-offset: 8
1988 * End:
1989 */