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a47b9029 | 1 | |
30a4f2a8 | 2 | /* |
5ff76111 | 3 | * $Id: main.cc,v 1.332 2001/01/30 10:06:50 hno Exp $ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 1 Startup and Main Loop | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
30a4f2a8 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
30a4f2a8 | 34 | */ |
44a47c6e | 35 | |
36 | #include "squid.h" | |
37 | ||
30a4f2a8 | 38 | /* for error reporting from xmalloc and friends */ |
ea3a2a69 | 39 | extern void (*failure_notify) (const char *); |
30a4f2a8 | 40 | |
f1dc9b30 | 41 | static int opt_send_signal = -1; |
f95b8144 | 42 | static int opt_no_daemon = 0; |
e13ee7ad | 43 | static int opt_parse_cfg_only = 0; |
30a4f2a8 | 44 | static int httpPortNumOverride = 1; |
45 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ | |
e13ee7ad | 46 | static int configured_once = 0; |
30a4f2a8 | 47 | #if MALLOC_DBG |
4d64d74a | 48 | static int malloc_debug_level = 0; |
30a4f2a8 | 49 | #endif |
5cd39a10 | 50 | static volatile int do_reconfigure = 0; |
51 | static volatile int do_rotate = 0; | |
2681d383 | 52 | static volatile int do_shutdown = 0; |
4d7add01 | 53 | |
5cd39a10 | 54 | static void mainRotate(void); |
55 | static void mainReconfigure(void); | |
b984c445 | 56 | static SIGHDLR rotate_logs; |
57 | static SIGHDLR reconfigure; | |
58 | #if ALARM_UPDATES_TIME | |
59 | static SIGHDLR time_tick; | |
60 | #endif | |
f5b8bbc4 | 61 | static void mainInitialize(void); |
f5b8bbc4 | 62 | static void usage(void); |
63 | static void mainParseOptions(int, char **); | |
64 | static void sendSignal(void); | |
65 | static void serverConnectionsOpen(void); | |
bbe199dc | 66 | static void watch_child(char **); |
85407535 | 67 | static void setEffectiveUser(void); |
36a97e19 | 68 | #if MEM_GEN_TRACE |
69 | extern void log_trace_done(); | |
70 | extern void log_trace_init(char *); | |
71 | #endif | |
d723bf6b | 72 | static EVH SquidShutdown; |
b6a2f15e | 73 | static void mainSetCwd(void); |
efd900cb | 74 | static int checkRunningPid(void); |
85407535 | 75 | |
e18d7fdc | 76 | static const char *squid_start_script = "squid_start"; |
77 | ||
9bc73deb | 78 | #if TEST_ACCESS |
79 | #include "test_access.c" | |
80 | #endif | |
81 | ||
b8d8561b | 82 | static void |
0673c0ba | 83 | usage(void) |
ccff9601 | 84 | { |
0ee4272b | 85 | fprintf(stderr, |
969c39b9 | 86 | "Usage: %s [-dhsvzCDFNRVYX] [-f config-file] [-[au] port] [-k signal]\n" |
15df8349 | 87 | " -a port Specify HTTP port number (default: %d).\n" |
b6157f5e | 88 | " -d level Write debugging to stderr also.\n" |
0ee4272b | 89 | " -f file Use given config-file instead of\n" |
90 | " %s\n" | |
91 | " -h Print help message.\n" | |
e13ee7ad | 92 | " -k reconfigure|rotate|shutdown|interrupt|kill|debug|check|parse\n" |
93 | " Parse configuration file, then send signal to \n" | |
94 | " running copy (except -k parse) and exit.\n" | |
0ee4272b | 95 | " -s Enable logging to syslog.\n" |
96 | " -u port Specify ICP port number (default: %d), disable with 0.\n" | |
97 | " -v Print version.\n" | |
85407535 | 98 | " -z Create swap directories\n" |
0ee4272b | 99 | " -C Do not catch fatal signals.\n" |
100 | " -D Disable initial DNS tests.\n" | |
a411c763 | 101 | " -F Don't serve any requests until store is rebuilt.\n" |
969c39b9 | 102 | " -N No daemon mode.\n" |
0ee4272b | 103 | " -R Do not set REUSEADDR on port.\n" |
504123ec | 104 | " -S Double-check swap during rebuild.\n" |
0ee4272b | 105 | " -V Virtual host httpd-accelerator.\n" |
3013ac6d | 106 | " -X Force full debugging.\n" |
429fdbec | 107 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", |
30a4f2a8 | 108 | appname, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 109 | exit(1); |
ccff9601 | 110 | } |
111 | ||
b8d8561b | 112 | static void |
113 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 114 | { |
090089c4 | 115 | extern char *optarg; |
4d64d74a | 116 | int c; |
090089c4 | 117 | |
504123ec | 118 | while ((c = getopt(argc, argv, "CDFNRSVYXa:d:f:hk:m::su:vz?")) != -1) { |
090089c4 | 119 | switch (c) { |
090089c4 | 120 | case 'C': |
1758c627 | 121 | opt_catch_signals = 0; |
090089c4 | 122 | break; |
123 | case 'D': | |
30a4f2a8 | 124 | opt_dns_tests = 0; |
090089c4 | 125 | break; |
30a4f2a8 | 126 | case 'F': |
127 | opt_foreground_rebuild = 1; | |
090089c4 | 128 | break; |
f95b8144 | 129 | case 'N': |
130 | opt_no_daemon = 1; | |
9e2225aa | 131 | break; |
090089c4 | 132 | case 'R': |
3b4be6a6 | 133 | opt_reuseaddr = 0; |
090089c4 | 134 | break; |
b109de6b | 135 | case 'S': |
504123ec | 136 | opt_store_doublecheck = 1; |
b109de6b | 137 | break; |
30a4f2a8 | 138 | case 'V': |
139 | vhost_mode = 1; | |
140 | break; | |
e924600d | 141 | case 'X': |
142 | /* force full debugging */ | |
143 | sigusr2_handle(SIGUSR2); | |
144 | break; | |
30a4f2a8 | 145 | case 'Y': |
146 | opt_reload_hit_only = 1; | |
147 | break; | |
148 | case 'a': | |
149 | httpPortNumOverride = atoi(optarg); | |
150 | break; | |
0d90407c | 151 | case 'd': |
723e8aa3 | 152 | opt_debug_stderr = atoi(optarg); |
0d90407c | 153 | break; |
090089c4 | 154 | case 'f': |
00fac1f8 | 155 | xfree(ConfigFile); |
156 | ConfigFile = xstrdup(optarg); | |
090089c4 | 157 | break; |
30a4f2a8 | 158 | case 'h': |
159 | usage(); | |
090089c4 | 160 | break; |
7690e8eb | 161 | case 'k': |
24382924 | 162 | if ((int) strlen(optarg) < 1) |
7690e8eb | 163 | usage(); |
164 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
165 | opt_send_signal = SIGHUP; | |
166 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
7e7a0442 | 167 | #ifdef _SQUID_LINUX_THREADS_ |
e3175d1f | 168 | opt_send_signal = SIGQUIT; |
169 | #else | |
7690e8eb | 170 | opt_send_signal = SIGUSR1; |
e3175d1f | 171 | #endif |
7690e8eb | 172 | else if (!strncmp(optarg, "debug", strlen(optarg))) |
7e7a0442 | 173 | #ifdef _SQUID_LINUX_THREADS_ |
e3175d1f | 174 | opt_send_signal = SIGTRAP; |
175 | #else | |
7690e8eb | 176 | opt_send_signal = SIGUSR2; |
e3175d1f | 177 | #endif |
7690e8eb | 178 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) |
179 | opt_send_signal = SIGTERM; | |
6759a5fb | 180 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) |
181 | opt_send_signal = SIGINT; | |
7690e8eb | 182 | else if (!strncmp(optarg, "kill", strlen(optarg))) |
183 | opt_send_signal = SIGKILL; | |
184 | else if (!strncmp(optarg, "check", strlen(optarg))) | |
fedac7e5 | 185 | opt_send_signal = 0; /* SIGNULL */ |
e13ee7ad | 186 | else if (!strncmp(optarg, "parse", strlen(optarg))) |
8a6218c6 | 187 | opt_parse_cfg_only = 1; /* parse cfg file only */ |
7690e8eb | 188 | else |
189 | usage(); | |
190 | break; | |
090089c4 | 191 | case 'm': |
33ab18e8 | 192 | if (optarg) { |
30a4f2a8 | 193 | #if MALLOC_DBG |
33ab18e8 | 194 | malloc_debug_level = atoi(optarg); |
195 | /* NOTREACHED */ | |
196 | break; | |
30a4f2a8 | 197 | #else |
33ab18e8 | 198 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
199 | /* NOTREACHED */ | |
200 | #endif | |
201 | } else { | |
202 | #if XMALLOC_TRACE | |
203 | xmalloc_trace = !xmalloc_trace; | |
204 | #else | |
205 | fatal("Need to configure --enable-xmalloc-debug-trace to use -m option"); | |
30a4f2a8 | 206 | #endif |
33ab18e8 | 207 | } |
30a4f2a8 | 208 | case 's': |
6e40f263 | 209 | opt_syslog_enable = 1; |
30a4f2a8 | 210 | break; |
211 | case 'u': | |
212 | icpPortNumOverride = atoi(optarg); | |
213 | if (icpPortNumOverride < 0) | |
214 | icpPortNumOverride = 0; | |
215 | break; | |
216 | case 'v': | |
217 | printf("Squid Cache: Version %s\n", version_string); | |
218 | exit(0); | |
219 | /* NOTREACHED */ | |
090089c4 | 220 | case 'z': |
85407535 | 221 | opt_create_swap_dirs = 1; |
090089c4 | 222 | break; |
223 | case '?': | |
090089c4 | 224 | default: |
ccff9601 | 225 | usage(); |
090089c4 | 226 | break; |
227 | } | |
090089c4 | 228 | } |
4d64d74a | 229 | } |
090089c4 | 230 | |
7a2f978b | 231 | /* ARGSUSED */ |
b8d8561b | 232 | static void |
233 | rotate_logs(int sig) | |
30a4f2a8 | 234 | { |
5cd39a10 | 235 | do_rotate = 1; |
30a4f2a8 | 236 | #if !HAVE_SIGACTION |
237 | signal(sig, rotate_logs); | |
238 | #endif | |
239 | } | |
240 | ||
b984c445 | 241 | #if ALARM_UPDATES_TIME |
97c03d3c | 242 | static void |
243 | time_tick(int sig) | |
244 | { | |
245 | getCurrentTime(); | |
246 | alarm(1); | |
247 | #if !HAVE_SIGACTION | |
248 | signal(sig, time_tick); | |
249 | #endif | |
250 | } | |
38d04788 | 251 | |
b984c445 | 252 | #endif |
97c03d3c | 253 | |
7a2f978b | 254 | /* ARGSUSED */ |
b8d8561b | 255 | static void |
256 | reconfigure(int sig) | |
30a4f2a8 | 257 | { |
5cd39a10 | 258 | do_reconfigure = 1; |
30a4f2a8 | 259 | #if !HAVE_SIGACTION |
260 | signal(sig, reconfigure); | |
261 | #endif | |
262 | } | |
263 | ||
b8d8561b | 264 | void |
265 | shut_down(int sig) | |
30a4f2a8 | 266 | { |
2681d383 | 267 | do_shutdown = sig == SIGINT ? -1 : 1; |
cadc2d55 | 268 | #ifdef KILL_PARENT_OPT |
5cd39a10 | 269 | if (getppid() > 1) { |
270 | debug(1, 1) ("Killing RunCache, pid %d\n", getppid()); | |
271 | kill(getppid(), sig); | |
88738790 | 272 | } |
cadc2d55 | 273 | #endif |
6e40f263 | 274 | #if SA_RESETHAND == 0 |
275 | signal(SIGTERM, SIG_DFL); | |
276 | signal(SIGINT, SIG_DFL); | |
277 | #endif | |
30a4f2a8 | 278 | } |
279 | ||
24382924 | 280 | static void |
0673c0ba | 281 | serverConnectionsOpen(void) |
4d64d74a | 282 | { |
15df8349 | 283 | clientHttpConnectionsOpen(); |
284 | icpConnectionsOpen(); | |
ace287ee | 285 | #if USE_HTCP |
286 | htcpInit(); | |
287 | #endif | |
678c6099 | 288 | #ifdef SQUID_SNMP |
3265e68d | 289 | snmpConnectionOpen(); |
320e9f36 | 290 | #endif |
eb824054 | 291 | #if USE_WCCP |
320e9f36 | 292 | wccpConnectionOpen(); |
2bbd722b | 293 | #endif |
5ecceaa4 | 294 | clientdbInit(); |
16b204c4 | 295 | icmpOpen(); |
67508012 | 296 | netdbInit(); |
f899fac1 | 297 | asnInit(); |
85034133 | 298 | peerSelectInit(); |
afd88fbe | 299 | #if USE_CARP |
300 | carpInit(); | |
301 | #endif | |
5f3f8d0e | 302 | } |
303 | ||
b8d8561b | 304 | void |
0673c0ba | 305 | serverConnectionsClose(void) |
5f3f8d0e | 306 | { |
0a5a8601 | 307 | assert(shutting_down || reconfiguring); |
c0fbae16 | 308 | clientHttpConnectionsClose(); |
17e6c0a1 | 309 | icpConnectionShutdown(); |
72549e05 | 310 | #if USE_HTCP |
311 | htcpSocketShutdown(); | |
312 | #endif | |
c0fbae16 | 313 | icmpClose(); |
15df8349 | 314 | #ifdef SQUID_SNMP |
17e6c0a1 | 315 | snmpConnectionShutdown(); |
320e9f36 | 316 | #endif |
eb824054 | 317 | #if USE_WCCP |
320e9f36 | 318 | wccpConnectionShutdown(); |
15df8349 | 319 | #endif |
4bac8de8 | 320 | asnFreeMemory(); |
5f3f8d0e | 321 | } |
322 | ||
b8d8561b | 323 | static void |
dbe4fd8e | 324 | mainReconfigure(void) |
5f3f8d0e | 325 | { |
a60f7062 | 326 | debug(1, 1) ("Restarting Squid Cache (version %s)...\n", version_string); |
5cd39a10 | 327 | reconfiguring = 1; |
0ffd22bc | 328 | /* Already called serverConnectionsClose and ipcacheShutdownServers() */ |
15df8349 | 329 | serverConnectionsClose(); |
17e6c0a1 | 330 | icpConnectionClose(); |
72549e05 | 331 | #if USE_HTCP |
332 | htcpSocketClose(); | |
333 | #endif | |
17e6c0a1 | 334 | #ifdef SQUID_SNMP |
335 | snmpConnectionClose(); | |
320e9f36 | 336 | #endif |
eb824054 | 337 | #if USE_WCCP |
320e9f36 | 338 | wccpConnectionClose(); |
17e6c0a1 | 339 | #endif |
3c573763 | 340 | #if USE_DNSSERVERS |
74addf6c | 341 | dnsShutdown(); |
3c573763 | 342 | #else |
7b724b86 | 343 | idnsShutdown(); |
eb824054 | 344 | #endif |
74addf6c | 345 | redirectShutdown(); |
346 | authenticateShutdown(); | |
2db68ce5 | 347 | storeDirCloseSwapLogs(); |
c68e9c6b | 348 | errorClean(); |
00fac1f8 | 349 | parseConfigFile(ConfigFile); |
b6f794d6 | 350 | _db_init(Config.Log.log, Config.debugOptions); |
429fdbec | 351 | ipcache_restart(); /* clear stuck entries */ |
94439e4e | 352 | authenticateUserCacheRestart(); /* clear stuck ACL entries */ |
429fdbec | 353 | fqdncache_restart(); /* sigh, fqdncache too */ |
0e70aa1e | 354 | parseEtcHosts(); |
53ad48e6 | 355 | errorInitialize(); /* reload error pages */ |
3c573763 | 356 | #if USE_DNSSERVERS |
74addf6c | 357 | dnsInit(); |
3c573763 | 358 | #else |
7b724b86 | 359 | idnsInit(); |
eb824054 | 360 | #endif |
74addf6c | 361 | redirectInit(); |
94439e4e | 362 | authenticateInit(&Config.authConfig); |
1f38f50a | 363 | #if USE_WCCP |
364 | wccpInit(); | |
365 | #endif | |
0ffd22bc | 366 | serverConnectionsOpen(); |
e06ce23a | 367 | if (theOutIcpConnection >= 0) { |
5942e8d4 | 368 | if (!Config2.Accel.on || Config.onoff.accel_with_proxy) |
e06ce23a | 369 | neighbors_open(theOutIcpConnection); |
370 | else | |
371 | debug(1, 1) ("ICP port disabled in httpd_accelerator mode\n"); | |
372 | } | |
2db68ce5 | 373 | storeDirOpenSwapLogs(); |
9c021a38 | 374 | mimeInit(Config.mimeTablePathname); |
b8890359 | 375 | writePidFile(); /* write PID file */ |
aebbcd07 | 376 | debug(1, 1) ("Ready to serve requests.\n"); |
5cd39a10 | 377 | reconfiguring = 0; |
378 | } | |
379 | ||
380 | static void | |
381 | mainRotate(void) | |
382 | { | |
383 | icmpClose(); | |
3c573763 | 384 | #if USE_DNSSERVERS |
e40aa8da | 385 | dnsShutdown(); |
3c573763 | 386 | #endif |
e40aa8da | 387 | redirectShutdown(); |
388 | authenticateShutdown(); | |
5cd39a10 | 389 | _db_rotate_log(); /* cache.log */ |
390 | storeDirWriteCleanLogs(1); | |
391 | storeLogRotate(); /* store.log */ | |
392 | accessLogRotate(); /* access.log */ | |
393 | useragentRotateLog(); /* useragent.log */ | |
fd2c5549 | 394 | refererRotateLog(); /* referer.log */ |
225644d7 | 395 | #if WIP_FWD_LOG |
396 | fwdLogRotate(); | |
397 | #endif | |
5cd39a10 | 398 | icmpOpen(); |
3c573763 | 399 | #if USE_DNSSERVERS |
e40aa8da | 400 | dnsInit(); |
3c573763 | 401 | #endif |
e40aa8da | 402 | redirectInit(); |
94439e4e | 403 | authenticateInit(&Config.authConfig); |
5f3f8d0e | 404 | } |
405 | ||
067bea91 | 406 | static void |
85407535 | 407 | setEffectiveUser(void) |
408 | { | |
409 | leave_suid(); /* Run as non privilegied user */ | |
cd377065 | 410 | #ifdef _SQUID_OS2_ |
411 | return; | |
412 | #endif | |
85407535 | 413 | if (geteuid() == 0) { |
414 | debug(0, 0) ("Squid is not safe to run as root! If you must\n"); | |
415 | debug(0, 0) ("start Squid as root, then you must configure\n"); | |
416 | debug(0, 0) ("it to run as a non-priveledged user with the\n"); | |
417 | debug(0, 0) ("'cache_effective_user' option in the config file.\n"); | |
418 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); | |
419 | } | |
420 | } | |
421 | ||
b6a2f15e | 422 | static void |
423 | mainSetCwd(void) | |
424 | { | |
425 | if (Config.coredump_dir) { | |
426 | if (!chdir(Config.coredump_dir)) { | |
427 | debug(0, 1) ("Set Current Directory to %s\n", Config.coredump_dir); | |
428 | return; | |
429 | } else { | |
430 | debug(50, 0) ("chdir: %s: %s\n", Config.coredump_dir, xstrerror()); | |
431 | } | |
432 | } | |
5ff76111 | 433 | debug(0, 1) ("Current Directory is %s\n", p); |
434 | xfree(p); | |
435 | return; | |
b6a2f15e | 436 | } |
437 | ||
b8d8561b | 438 | static void |
0673c0ba | 439 | mainInitialize(void) |
5f3f8d0e | 440 | { |
efd900cb | 441 | /* chroot if configured to run inside chroot */ |
442 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { | |
443 | fatal("failed to chroot"); | |
444 | } | |
1758c627 | 445 | if (opt_catch_signals) { |
30a4f2a8 | 446 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
447 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 448 | } |
30a4f2a8 | 449 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
450 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
44f99671 | 451 | |
85407535 | 452 | setEffectiveUser(); |
7e3ce7b9 | 453 | assert(Config.Sockaddr.http); |
30a4f2a8 | 454 | if (httpPortNumOverride != 1) |
7e3ce7b9 | 455 | Config.Sockaddr.http->s.sin_port = htons(httpPortNumOverride); |
30a4f2a8 | 456 | if (icpPortNumOverride != 1) |
f2052513 | 457 | Config.Port.icp = (u_short) icpPortNumOverride; |
30a4f2a8 | 458 | |
b6f794d6 | 459 | _db_init(Config.Log.log, Config.debugOptions); |
5c5783a2 | 460 | fd_open(fileno(debug_log), FD_LOG, Config.Log.log); |
71a17702 | 461 | #if MEM_GEN_TRACE |
462 | log_trace_init("/tmp/squid.alloc"); | |
463 | #endif | |
a3d5953d | 464 | debug(1, 0) ("Starting Squid Cache version %s for %s...\n", |
30a4f2a8 | 465 | version_string, |
466 | CONFIG_HOST_TYPE); | |
aebbcd07 | 467 | debug(1, 1) ("Process ID %d\n", (int) getpid()); |
a3d5953d | 468 | debug(1, 1) ("With %d file descriptors available\n", Squid_MaxFD); |
5f3f8d0e | 469 | |
9f75c559 | 470 | if (!configured_once) |
234967c9 | 471 | disk_init(); /* disk_init must go before ipcache_init() */ |
5f3f8d0e | 472 | ipcache_init(); |
f88bb09c | 473 | fqdncache_init(); |
0e70aa1e | 474 | parseEtcHosts(); |
3c573763 | 475 | #if USE_DNSSERVERS |
74addf6c | 476 | dnsInit(); |
3c573763 | 477 | #else |
7b724b86 | 478 | idnsInit(); |
eb824054 | 479 | #endif |
74addf6c | 480 | redirectInit(); |
94439e4e | 481 | authenticateInit(&Config.authConfig); |
b012353a | 482 | useragentOpenLog(); |
fd2c5549 | 483 | refererOpenLog(); |
2ac76861 | 484 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
2246b732 | 485 | httpReplyInitModule(); /* must go before accepting replies */ |
9b312a19 | 486 | errorInitialize(); |
7a2f978b | 487 | accessLogInit(); |
3898f57f | 488 | #if USE_IDENT |
05832ae1 | 489 | identInit(); |
3898f57f | 490 | #endif |
5e14bf6d | 491 | #ifdef SQUID_SNMP |
492 | snmpInit(); | |
493 | #endif | |
30a4f2a8 | 494 | #if MALLOC_DBG |
5f3f8d0e | 495 | malloc_debug(0, malloc_debug_level); |
496 | #endif | |
497 | ||
dbe4fd8e | 498 | if (!configured_once) { |
a3d0a19d | 499 | #if USE_UNLINKD |
429fdbec | 500 | unlinkdInit(); |
a3d0a19d | 501 | #endif |
7111c86a | 502 | urlInitialize(); |
22f3fd98 | 503 | cachemgrInit(); |
a7c05555 | 504 | statInit(); |
5f3f8d0e | 505 | storeInit(); |
b6a2f15e | 506 | mainSetCwd(); |
5f3f8d0e | 507 | /* after this point we want to see the mallinfo() output */ |
508 | do_mallinfo = 1; | |
812ed90c | 509 | mimeInit(Config.mimeTablePathname); |
603a02fd | 510 | pconnInit(); |
1c3e77cd | 511 | refreshInit(); |
0d7e5d78 | 512 | #if DELAY_POOLS |
95e36d02 | 513 | delayPoolsInit(); |
0d7e5d78 | 514 | #endif |
8ddcc35d | 515 | fwdInit(); |
5f3f8d0e | 516 | } |
1f38f50a | 517 | #if USE_WCCP |
518 | wccpInit(); | |
519 | #endif | |
2285407f | 520 | serverConnectionsOpen(); |
e06ce23a | 521 | if (theOutIcpConnection >= 0) { |
5942e8d4 | 522 | if (!Config2.Accel.on || Config.onoff.accel_with_proxy) |
e06ce23a | 523 | neighbors_open(theOutIcpConnection); |
524 | else | |
525 | debug(1, 1) ("ICP port disabled in httpd_accelerator mode\n"); | |
526 | } | |
efd900cb | 527 | if (Config.chroot_dir) |
528 | no_suid(); | |
dbe4fd8e | 529 | if (!configured_once) |
0a5b9b32 | 530 | writePidFile(); /* write PID file */ |
531 | ||
7e7a0442 | 532 | #ifdef _SQUID_LINUX_THREADS_ |
e3175d1f | 533 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
534 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); | |
535 | #else | |
30a4f2a8 | 536 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
537 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); | |
9fc0b4b8 | 538 | #endif |
30a4f2a8 | 539 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
540 | squid_signal(SIGTERM, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
541 | squid_signal(SIGINT, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
b984c445 | 542 | #if ALARM_UPDATES_TIME |
97c03d3c | 543 | squid_signal(SIGALRM, time_tick, SA_RESTART); |
544 | alarm(1); | |
b984c445 | 545 | #endif |
58a39dc9 | 546 | memCheckInit(); |
aebbcd07 | 547 | debug(1, 1) ("Ready to serve requests.\n"); |
dbe4fd8e | 548 | if (!configured_once) { |
52040193 | 549 | eventAdd("storeMaintain", storeMaintainSwapSpace, NULL, 1.0, 1); |
17a0a4ee | 550 | if (Config.onoff.announce) |
52040193 | 551 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); |
552 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
553 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
4d7add01 | 554 | } |
dbe4fd8e | 555 | configured_once = 1; |
4d64d74a | 556 | } |
557 | ||
b8d8561b | 558 | int |
559 | main(int argc, char **argv) | |
4d64d74a | 560 | { |
561 | int errcount = 0; | |
4d64d74a | 562 | int n; /* # of GC'd objects */ |
bc528c78 | 563 | time_t loop_delay; |
7e3ce7b9 | 564 | mode_t oldmask; |
4d64d74a | 565 | |
88738790 | 566 | debug_log = stderr; |
e83892e9 | 567 | if (FD_SETSIZE < Squid_MaxFD) |
568 | Squid_MaxFD = FD_SETSIZE; | |
399e85ea | 569 | |
7328e889 | 570 | /* call mallopt() before anything else */ |
0b29fe44 | 571 | #if HAVE_MALLOPT |
7328e889 | 572 | #ifdef M_GRAIN |
573 | /* Round up all sizes to a multiple of this */ | |
574 | mallopt(M_GRAIN, 16); | |
575 | #endif | |
576 | #ifdef M_MXFAST | |
577 | /* biggest size that is considered a small block */ | |
578 | mallopt(M_MXFAST, 256); | |
579 | #endif | |
580 | #ifdef M_NBLKS | |
581 | /* allocate this many small blocks at once */ | |
582 | mallopt(M_NLBLKS, 32); | |
583 | #endif | |
584 | #endif /* HAVE_MALLOPT */ | |
585 | ||
7e3ce7b9 | 586 | /* |
587 | * The plan here is to set the umask to 007 (deny others for | |
588 | * read,write,execute), but only if the umask is not already | |
589 | * set. Unfortunately, there is no way to get the current | |
590 | * umask value without setting it. | |
591 | */ | |
592 | oldmask = umask(S_IRWXO); | |
593 | if (oldmask) | |
594 | umask(oldmask); | |
595 | ||
30a4f2a8 | 596 | memset(&local_addr, '\0', sizeof(struct in_addr)); |
429fdbec | 597 | safe_inet_addr(localhost, &local_addr); |
28070024 | 598 | memset(&any_addr, '\0', sizeof(struct in_addr)); |
429fdbec | 599 | safe_inet_addr("0.0.0.0", &any_addr); |
28070024 | 600 | memset(&no_addr, '\0', sizeof(struct in_addr)); |
429fdbec | 601 | safe_inet_addr("255.255.255.255", &no_addr); |
88738790 | 602 | squid_srandom(time(NULL)); |
4d64d74a | 603 | |
f2908497 | 604 | getCurrentTime(); |
605 | squid_start = current_time; | |
4d64d74a | 606 | failure_notify = fatal_dump; |
607 | ||
608 | mainParseOptions(argc, argv); | |
609 | ||
e13ee7ad | 610 | /* parse configuration file |
611 | * note: in "normal" case this used to be called from mainInitialize() */ | |
612 | { | |
613 | int parse_err; | |
614 | if (!ConfigFile) | |
615 | ConfigFile = xstrdup(DefaultConfigFile); | |
3cc5715b | 616 | assert(!configured_once); |
5d620373 | 617 | #if USE_LEAKFINDER |
618 | leakInit(); | |
619 | #endif | |
28c60158 | 620 | memInit(); |
621 | cbdataInit(); | |
9bc73deb | 622 | eventInit(); /* eventInit() is required for config parsing */ |
cd748f27 | 623 | storeFsInit(); /* required for config parsing */ |
94439e4e | 624 | authenticateSchemeInit(); /* required for config parsign */ |
e13ee7ad | 625 | parse_err = parseConfigFile(ConfigFile); |
8a6218c6 | 626 | |
e13ee7ad | 627 | if (opt_parse_cfg_only) |
628 | return parse_err; | |
629 | } | |
efd900cb | 630 | if (-1 == opt_send_signal) |
631 | if (checkRunningPid()) | |
632 | exit(1); | |
e13ee7ad | 633 | |
9bc73deb | 634 | #if TEST_ACCESS |
635 | comm_init(); | |
636 | comm_select_init(); | |
637 | mainInitialize(); | |
638 | test_access(); | |
639 | return 0; | |
640 | #endif | |
641 | ||
7690e8eb | 642 | /* send signal to running copy and exit */ |
643 | if (opt_send_signal != -1) { | |
efd900cb | 644 | /* chroot if configured to run inside chroot */ |
645 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { | |
646 | fatal("failed to chroot"); | |
647 | } | |
7690e8eb | 648 | sendSignal(); |
649 | /* NOTREACHED */ | |
650 | } | |
85407535 | 651 | if (opt_create_swap_dirs) { |
efd900cb | 652 | /* chroot if configured to run inside chroot */ |
653 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { | |
654 | fatal("failed to chroot"); | |
655 | } | |
067bea91 | 656 | setEffectiveUser(); |
657 | debug(0, 0) ("Creating Swap Directories\n"); | |
658 | storeCreateSwapDirectories(); | |
659 | return 0; | |
660 | } | |
f95b8144 | 661 | if (!opt_no_daemon) |
bbe199dc | 662 | watch_child(argv); |
4d64d74a | 663 | setMaxFD(); |
664 | ||
1758c627 | 665 | if (opt_catch_signals) |
e83892e9 | 666 | for (n = Squid_MaxFD; n > 2; n--) |
30a4f2a8 | 667 | close(n); |
4d64d74a | 668 | |
e13ee7ad | 669 | /* init comm module */ |
4d64d74a | 670 | comm_init(); |
6a988308 | 671 | comm_select_init(); |
4d64d74a | 672 | |
54f742e7 | 673 | if (opt_no_daemon) { |
674 | /* we have to init fdstat here. */ | |
675 | fd_open(0, FD_LOG, "stdin"); | |
676 | fd_open(1, FD_LOG, "stdout"); | |
677 | fd_open(2, FD_LOG, "stderr"); | |
678 | } | |
4d64d74a | 679 | mainInitialize(); |
680 | ||
090089c4 | 681 | /* main loop */ |
983061ed | 682 | for (;;) { |
5cd39a10 | 683 | if (do_reconfigure) { |
969c39b9 | 684 | mainReconfigure(); |
5cd39a10 | 685 | do_reconfigure = 0; |
686 | } else if (do_rotate) { | |
687 | mainRotate(); | |
688 | do_rotate = 0; | |
2681d383 | 689 | } else if (do_shutdown) { |
73c9ccc5 | 690 | time_t wait = do_shutdown > 0 ? (int) Config.shutdownLifetime : 0; |
5cd39a10 | 691 | debug(1, 1) ("Preparing for shutdown after %d requests\n", |
83704487 | 692 | statCounter.client_http.requests); |
5cd39a10 | 693 | debug(1, 1) ("Waiting %d seconds for active connections to finish\n", |
73c9ccc5 | 694 | wait); |
2681d383 | 695 | do_shutdown = 0; |
696 | shutting_down = 1; | |
d723bf6b | 697 | serverConnectionsClose(); |
3c573763 | 698 | #if USE_DNSSERVERS |
74addf6c | 699 | dnsShutdown(); |
3c573763 | 700 | #else |
7b724b86 | 701 | idnsShutdown(); |
eb824054 | 702 | #endif |
74addf6c | 703 | redirectShutdown(); |
d723bf6b | 704 | eventAdd("SquidShutdown", SquidShutdown, NULL, (double) (wait + 1), 1); |
30a4f2a8 | 705 | } |
48f44632 | 706 | eventRun(); |
707 | if ((loop_delay = eventNextTime()) < 0) | |
4d7add01 | 708 | loop_delay = 0; |
812ed90c | 709 | #if HAVE_POLL |
710 | switch (comm_poll(loop_delay)) { | |
711 | #else | |
9ca89c5a | 712 | switch (comm_select(loop_delay)) { |
812ed90c | 713 | #endif |
090089c4 | 714 | case COMM_OK: |
234967c9 | 715 | errcount = 0; /* reset if successful */ |
090089c4 | 716 | break; |
717 | case COMM_ERROR: | |
718 | errcount++; | |
a3d5953d | 719 | debug(1, 0) ("Select loop Error. Retry %d\n", errcount); |
090089c4 | 720 | if (errcount == 10) |
4d64d74a | 721 | fatal_dump("Select Loop failed!"); |
090089c4 | 722 | break; |
9ca89c5a | 723 | case COMM_TIMEOUT: |
6c93e119 | 724 | break; |
d723bf6b | 725 | case COMM_SHUTDOWN: |
726 | SquidShutdown(NULL); | |
727 | break; | |
090089c4 | 728 | default: |
6eb42cae | 729 | fatal_dump("MAIN: Internal error -- this should never happen."); |
090089c4 | 730 | break; |
731 | } | |
732 | } | |
733 | /* NOTREACHED */ | |
983061ed | 734 | return 0; |
090089c4 | 735 | } |
7690e8eb | 736 | |
b8d8561b | 737 | static void |
0673c0ba | 738 | sendSignal(void) |
7690e8eb | 739 | { |
ff8d0ea6 | 740 | pid_t pid; |
fedac7e5 | 741 | debug_log = stderr; |
fedac7e5 | 742 | pid = readPidFile(); |
743 | if (pid > 1) { | |
744 | if (kill(pid, opt_send_signal) && | |
745 | /* ignore permissions if just running check */ | |
746 | !(opt_send_signal == 0 && errno == EPERM)) { | |
747 | fprintf(stderr, "%s: ERROR: Could not send ", appname); | |
748 | fprintf(stderr, "signal %d to process %d: %s\n", | |
41d30aa8 | 749 | opt_send_signal, (int) pid, xstrerror()); |
7690e8eb | 750 | exit(1); |
751 | } | |
fedac7e5 | 752 | } else { |
753 | fprintf(stderr, "%s: ERROR: No running copy\n", appname); | |
754 | exit(1); | |
7690e8eb | 755 | } |
fedac7e5 | 756 | /* signal successfully sent */ |
757 | exit(0); | |
758 | } | |
f95b8144 | 759 | |
e18d7fdc | 760 | /* |
761 | * This function is run when Squid is in daemon mode, just | |
762 | * before the parent forks and starts up the child process. | |
763 | * It can be used for admin-specific tasks, such as notifying | |
764 | * someone that Squid is (re)started. | |
765 | */ | |
766 | static void | |
767 | mainStartScript(const char *prog) | |
768 | { | |
769 | char script[SQUID_MAXPATHLEN]; | |
770 | char *t; | |
771 | size_t sl = 0; | |
772 | pid_t cpid; | |
773 | pid_t rpid; | |
774 | xstrncpy(script, prog, MAXPATHLEN); | |
775 | if ((t = strrchr(script, '/'))) { | |
776 | *(++t) = '\0'; | |
777 | sl = strlen(script); | |
778 | } | |
779 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); | |
780 | if ((cpid = fork()) == 0) { | |
781 | /* child */ | |
782 | execl(script, squid_start_script, 0); | |
783 | _exit(0); | |
784 | } else { | |
785 | do { | |
786 | #ifdef _SQUID_NEXT_ | |
787 | union wait status; | |
788 | rpid = wait3(&status, 0, NULL); | |
789 | #else | |
790 | int status; | |
791 | rpid = waitpid(-1, &status, 0); | |
792 | #endif | |
793 | } while (rpid != cpid); | |
794 | } | |
795 | } | |
796 | ||
efd900cb | 797 | static int |
798 | checkRunningPid(void) | |
799 | { | |
800 | pid_t pid; | |
801 | debug_log = stderr; | |
802 | pid = readPidFile(); | |
803 | if (pid < 2) | |
804 | return 0; | |
805 | if (kill(pid, 0) < 0) | |
806 | return 0; | |
807 | debug(0, 0) ("Squid is already running! Process ID %d\n", pid); | |
808 | return 1; | |
809 | } | |
810 | ||
f95b8144 | 811 | static void |
bbe199dc | 812 | watch_child(char *argv[]) |
f95b8144 | 813 | { |
814 | char *prog; | |
f95b8144 | 815 | int failcount = 0; |
816 | time_t start; | |
817 | time_t stop; | |
818 | #ifdef _SQUID_NEXT_ | |
819 | union wait status; | |
820 | #else | |
821 | int status; | |
822 | #endif | |
e3a3b845 | 823 | pid_t pid; |
54f742e7 | 824 | int i; |
742724a4 | 825 | int nullfd; |
f95b8144 | 826 | if (*(argv[0]) == '(') |
827 | return; | |
54f742e7 | 828 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
829 | if ((pid = fork()) < 0) | |
830 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); | |
831 | else if (pid > 0) | |
832 | exit(0); | |
833 | if (setsid() < 0) | |
834 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); | |
efd900cb | 835 | closelog(); |
54f742e7 | 836 | #ifdef TIOCNOTTY |
c4aefe96 | 837 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
54f742e7 | 838 | ioctl(i, TIOCNOTTY, NULL); |
839 | close(i); | |
840 | } | |
841 | #endif | |
b05490a8 | 842 | |
843 | ||
7f6ffd15 | 844 | /* |
845 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
846 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
847 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
848 | */ | |
742724a4 | 849 | /* Connect stdio to /dev/null in daemon mode */ |
c4aefe96 | 850 | nullfd = open("/dev/null", O_RDWR | O_TEXT); |
742724a4 | 851 | dup2(nullfd, 0); |
852 | if (opt_debug_stderr < 0) { | |
853 | dup2(nullfd, 1); | |
854 | dup2(nullfd, 2); | |
855 | } | |
856 | /* Close all else */ | |
857 | for (i = 3; i < Squid_MaxFD; i++) | |
54f742e7 | 858 | close(i); |
f95b8144 | 859 | for (;;) { |
e18d7fdc | 860 | mainStartScript(argv[0]); |
54f742e7 | 861 | if ((pid = fork()) == 0) { |
f95b8144 | 862 | /* child */ |
efd900cb | 863 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
f95b8144 | 864 | prog = xstrdup(argv[0]); |
bbe199dc | 865 | argv[0] = xstrdup("(squid)"); |
866 | execvp(prog, argv); | |
54f742e7 | 867 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); |
f95b8144 | 868 | } |
54f742e7 | 869 | /* parent */ |
efd900cb | 870 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
54f742e7 | 871 | syslog(LOG_NOTICE, "Squid Parent: child process %d started", pid); |
872 | time(&start); | |
873 | squid_signal(SIGINT, SIG_IGN, SA_RESTART); | |
f95b8144 | 874 | #ifdef _SQUID_NEXT_ |
54f742e7 | 875 | pid = wait3(&status, 0, NULL); |
f95b8144 | 876 | #else |
54f742e7 | 877 | pid = waitpid(-1, &status, 0); |
f95b8144 | 878 | #endif |
879 | time(&stop); | |
54f742e7 | 880 | if (WIFEXITED(status)) { |
881 | syslog(LOG_NOTICE, | |
882 | "Squid Parent: child process %d exited with status %d", | |
883 | pid, WEXITSTATUS(status)); | |
884 | } else if (WIFSIGNALED(status)) { | |
885 | syslog(LOG_NOTICE, | |
886 | "Squid Parent: child process %d exited due to signal %d", | |
887 | pid, WTERMSIG(status)); | |
888 | } else { | |
889 | syslog(LOG_NOTICE, "Squid Parent: child process %d exited", pid); | |
890 | } | |
f95b8144 | 891 | if (stop - start < 10) |
892 | failcount++; | |
a8e69881 | 893 | else |
894 | failcount = 0; | |
54f742e7 | 895 | if (failcount == 5) { |
896 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
f95b8144 | 897 | exit(1); |
54f742e7 | 898 | } |
f95b8144 | 899 | if (WIFEXITED(status)) |
900 | if (WEXITSTATUS(status) == 0) | |
901 | exit(0); | |
0fb4fc71 | 902 | squid_signal(SIGINT, SIG_DFL, SA_RESTART); |
f95b8144 | 903 | sleep(3); |
904 | } | |
bbe199dc | 905 | /* NOTREACHED */ |
f95b8144 | 906 | } |
fff6ad65 | 907 | |
9ec1a1dc | 908 | static void |
d723bf6b | 909 | SquidShutdown(void *unused) |
fff6ad65 | 910 | { |
911 | debug(1, 1) ("Shutting down...\n"); | |
912 | if (Config.pidFilename && strcmp(Config.pidFilename, "none")) { | |
913 | enter_suid(); | |
914 | safeunlink(Config.pidFilename, 0); | |
915 | leave_suid(); | |
916 | } | |
d723bf6b | 917 | icpConnectionClose(); |
918 | #if USE_HTCP | |
919 | htcpSocketClose(); | |
920 | #endif | |
921 | #ifdef SQUID_SNMP | |
922 | snmpConnectionClose(); | |
320e9f36 | 923 | #endif |
eb824054 | 924 | #if USE_WCCP |
320e9f36 | 925 | wccpConnectionClose(); |
d723bf6b | 926 | #endif |
fff6ad65 | 927 | releaseServerSockets(); |
d723bf6b | 928 | commCloseAllSockets(); |
5dae8514 | 929 | authenticateShutdown(); |
a3d0a19d | 930 | #if USE_UNLINKD |
fff6ad65 | 931 | unlinkdClose(); |
a3d0a19d | 932 | #endif |
cd748f27 | 933 | storeDirSync(); /* Flush pending object writes/unlinks */ |
fff6ad65 | 934 | storeDirWriteCleanLogs(0); |
935 | PrintRusage(); | |
936 | dumpMallocStats(); | |
cd748f27 | 937 | storeDirSync(); /* Flush log writes */ |
fff6ad65 | 938 | storeLogClose(); |
939 | accessLogClose(); | |
225644d7 | 940 | #if WIP_FWD_LOG |
941 | fwdUninit(); | |
942 | #endif | |
cd748f27 | 943 | storeDirSync(); /* Flush log close */ |
33ab18e8 | 944 | #if PURIFY || XMALLOC_TRACE |
cd748f27 | 945 | storeFsDone(); |
fff6ad65 | 946 | configFreeMemory(); |
947 | storeFreeMemory(); | |
33ab18e8 | 948 | /*stmemFreeMemory(); */ |
fff6ad65 | 949 | netdbFreeMemory(); |
950 | ipcacheFreeMemory(); | |
951 | fqdncacheFreeMemory(); | |
952 | asnFreeMemory(); | |
26a369ba | 953 | clientdbFreeMemory(); |
7021844c | 954 | httpHeaderCleanModule(); |
d2db411c | 955 | statFreeMemory(); |
f1fc2a8d | 956 | eventFreeMemory(); |
c68e9c6b | 957 | mimeFreeMemory(); |
958 | errorClean(); | |
fff6ad65 | 959 | #endif |
26a369ba | 960 | #if !XMALLOC_TRACE |
54f742e7 | 961 | if (opt_no_daemon) { |
962 | file_close(0); | |
963 | file_close(1); | |
964 | file_close(2); | |
965 | } | |
33ab18e8 | 966 | #endif |
fff6ad65 | 967 | fdDumpOpen(); |
968 | fdFreeMemory(); | |
ddb43c58 | 969 | memClean(); |
33ab18e8 | 970 | #if XMALLOC_TRACE |
26a369ba | 971 | xmalloc_find_leaks(); |
972 | debug(1, 0) ("Memory used after shutdown: %d\n", xmalloc_total); | |
33ab18e8 | 973 | #endif |
36a97e19 | 974 | #if MEM_GEN_TRACE |
399e85ea | 975 | log_trace_done(); |
36a97e19 | 976 | #endif |
a60f7062 | 977 | debug(1, 1) ("Squid Cache (Version %s): Exiting normally.\n", |
fff6ad65 | 978 | version_string); |
7e3ce7b9 | 979 | if (debug_log) |
980 | fclose(debug_log); | |
fff6ad65 | 981 | exit(0); |
982 | } |