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Commit | Line | Data |
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30a4f2a8 | 1 | /* |
bde978a6 | 2 | * Copyright (C) 1996-2015 The Squid Software Foundation and contributors |
e25c139f | 3 | * |
bbc27441 AJ |
4 | * Squid software is distributed under GPLv2+ license and includes |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
30a4f2a8 | 7 | */ |
44a47c6e | 8 | |
bbc27441 AJ |
9 | /* DEBUG: section 01 Startup and Main Loop */ |
10 | ||
582c2af2 | 11 | #include "squid.h" |
450e0c10 | 12 | #include "AccessLogEntry.h" |
582c2af2 FC |
13 | #include "acl/Acl.h" |
14 | #include "acl/Asn.h" | |
89736861 | 15 | #include "AuthReg.h" |
6d57128b | 16 | #include "base/RunnersRegistry.h" |
e0d28505 | 17 | #include "base/Subscription.h" |
3d93a84d | 18 | #include "base/TextException.h" |
fc54b8d2 FC |
19 | #include "cache_cf.h" |
20 | #include "carp.h" | |
21 | #include "client_db.h" | |
22 | #include "client_side.h" | |
d841c88d | 23 | #include "comm.h" |
62ee09ca | 24 | #include "ConfigParser.h" |
96c2bb61 | 25 | #include "CpuAffinity.h" |
2745fea5 | 26 | #include "fs_io.h" |
582c2af2 | 27 | #include "DiskIO/DiskIOModule.h" |
4a3b98d7 | 28 | #include "dns/forward.h" |
aa839030 | 29 | #include "errorpage.h" |
a553a5a3 | 30 | #include "event.h" |
31 | #include "EventLoop.h" | |
62ee09ca | 32 | #include "ExternalACL.h" |
fc54b8d2 | 33 | #include "fd.h" |
31971e6a | 34 | #include "format/Token.h" |
fc54b8d2 | 35 | #include "fqdncache.h" |
602d9612 | 36 | #include "fs/Module.h" |
eb13c21e | 37 | #include "FwdState.h" |
af69c635 | 38 | #include "globals.h" |
582c2af2 | 39 | #include "htcp.h" |
fc54b8d2 | 40 | #include "HttpHeader.h" |
582c2af2 FC |
41 | #include "HttpReply.h" |
42 | #include "icmp/IcmpSquid.h" | |
43 | #include "icmp/net_db.h" | |
e6ccf245 | 44 | #include "ICP.h" |
4daaf3cb | 45 | #include "ident/Ident.h" |
602d9612 | 46 | #include "ip/tools.h" |
10cefb7b | 47 | #include "ipc/Coordinator.h" |
582c2af2 | 48 | #include "ipc/Kids.h" |
10cefb7b | 49 | #include "ipc/Strand.h" |
602d9612 | 50 | #include "ipcache.h" |
b65ce00c | 51 | #include "mime.h" |
fc54b8d2 | 52 | #include "neighbors.h" |
d5f21615 | 53 | #include "parser/Tokenizer.h" |
582c2af2 | 54 | #include "pconn.h" |
fc54b8d2 FC |
55 | #include "peer_sourcehash.h" |
56 | #include "peer_userhash.h" | |
602d9612 | 57 | #include "PeerSelectState.h" |
582c2af2 | 58 | #include "profiler/Profiler.h" |
c548327a | 59 | #include "redirect.h" |
fc54b8d2 | 60 | #include "refresh.h" |
d87f6b1d | 61 | #include "SBufStatsAction.h" |
bc94e5ca | 62 | #include "send-announce.h" |
4d5904f7 | 63 | #include "SquidConfig.h" |
985c86bc | 64 | #include "SquidTime.h" |
fc54b8d2 | 65 | #include "stat.h" |
e4f1fdae | 66 | #include "StatCounters.h" |
582c2af2 | 67 | #include "Store.h" |
2745fea5 | 68 | #include "store/Disks.h" |
602d9612 A |
69 | #include "store_log.h" |
70 | #include "StoreFileSystem.h" | |
602d9612 | 71 | #include "tools.h" |
b6b42084 | 72 | #include "unlinkd.h" |
fc54b8d2 FC |
73 | #include "URL.h" |
74 | #include "wccp.h" | |
75 | #include "wccp2.h" | |
cf3edd6f | 76 | #include "WinSvc.h" |
44a47c6e | 77 | |
582c2af2 FC |
78 | #if USE_ADAPTATION |
79 | #include "adaptation/Config.h" | |
80 | #endif | |
81 | #if USE_ECAP | |
82 | #include "adaptation/ecap/Config.h" | |
83 | #endif | |
84 | #if ICAP_CLIENT | |
85 | #include "adaptation/icap/Config.h" | |
86 | #include "adaptation/icap/icap_log.h" | |
87 | #endif | |
88 | #if USE_AUTH | |
89 | #include "auth/Gadgets.h" | |
90 | #endif | |
91 | #if USE_DELAY_POOLS | |
92 | #include "ClientDelayConfig.h" | |
93 | #endif | |
94 | #if USE_DELAY_POOLS | |
95 | #include "DelayPools.h" | |
96 | #endif | |
57afc994 AR |
97 | #if USE_LOADABLE_MODULES |
98 | #include "LoadableModules.h" | |
99 | #endif | |
95d2589c | 100 | #if USE_SSL_CRTD |
95d2589c CT |
101 | #include "ssl/certificate_db.h" |
102 | #endif | |
cb4f4424 | 103 | #if USE_OPENSSL |
95d2589c | 104 | #include "ssl/context_storage.h" |
602d9612 | 105 | #include "ssl/helper.h" |
95d2589c | 106 | #endif |
b958cb0f | 107 | #if ICAP_CLIENT |
26cc52cb | 108 | #include "adaptation/icap/Config.h" |
b958cb0f | 109 | #endif |
6e5db507 | 110 | #if USE_ECAP |
1f3c65fc | 111 | #include "adaptation/ecap/Config.h" |
6e5db507 | 112 | #endif |
b958cb0f AR |
113 | #if USE_ADAPTATION |
114 | #include "adaptation/Config.h" | |
115 | #endif | |
79039294 AR |
116 | #if USE_SQUID_ESI |
117 | #include "esi/Module.h" | |
118 | #endif | |
9c0a2256 FC |
119 | #if SQUID_SNMP |
120 | #include "snmp_core.h" | |
121 | #endif | |
7b5b7ba8 | 122 | |
1a30fdf5 | 123 | #include <cerrno> |
68dbbe5d AJ |
124 | #if HAVE_GETOPT_H |
125 | #include <getopt.h> | |
126 | #endif | |
25f98340 AJ |
127 | #if HAVE_PATHS_H |
128 | #include <paths.h> | |
129 | #endif | |
582c2af2 FC |
130 | #if HAVE_SYS_WAIT_H |
131 | #include <sys/wait.h> | |
132 | #endif | |
1a774556 | 133 | |
25f98340 | 134 | #if USE_WIN32_SERVICE |
1a774556 | 135 | #include <process.h> |
136 | ||
137 | static int opt_install_service = FALSE; | |
138 | static int opt_remove_service = FALSE; | |
1a774556 | 139 | static int opt_command_line = FALSE; |
82afb125 | 140 | void WIN32_svcstatusupdate(DWORD, DWORD); |
1a774556 | 141 | void WINAPI WIN32_svcHandler(DWORD); |
1a774556 | 142 | #endif |
143 | ||
cf2155f2 | 144 | static int opt_signal_service = FALSE; |
5e6d4736 | 145 | static char *opt_syslog_facility = NULL; |
f53969cc | 146 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 147 | static int configured_once = 0; |
30a4f2a8 | 148 | #if MALLOC_DBG |
4d64d74a | 149 | static int malloc_debug_level = 0; |
30a4f2a8 | 150 | #endif |
5cd39a10 | 151 | static volatile int do_reconfigure = 0; |
152 | static volatile int do_rotate = 0; | |
2681d383 | 153 | static volatile int do_shutdown = 0; |
ae1feb30 | 154 | static volatile int shutdown_status = 0; |
dbf55289 | 155 | static volatile int do_handle_stopped_child = 0; |
4d7add01 | 156 | |
a2c48c98 AR |
157 | static int RotateSignal = -1; |
158 | static int ReconfigureSignal = -1; | |
159 | static int ShutdownSignal = -1; | |
160 | ||
5cd39a10 | 161 | static void mainRotate(void); |
d71e4674 AR |
162 | static void mainReconfigureStart(void); |
163 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 164 | static void mainInitialize(void); |
f5b8bbc4 | 165 | static void usage(void); |
63be0a78 | 166 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 167 | static void sendSignal(void); |
168 | static void serverConnectionsOpen(void); | |
d71e4674 | 169 | static void serverConnectionsClose(void); |
bbe199dc | 170 | static void watch_child(char **); |
85407535 | 171 | static void setEffectiveUser(void); |
8ff3fa2e | 172 | static void SquidShutdown(void); |
b6a2f15e | 173 | static void mainSetCwd(void); |
efd900cb | 174 | static int checkRunningPid(void); |
85407535 | 175 | |
7aa9bb3e | 176 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 177 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 178 | #endif |
e18d7fdc | 179 | |
9bc73deb | 180 | #if TEST_ACCESS |
181 | #include "test_access.c" | |
182 | #endif | |
183 | ||
63be0a78 | 184 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 185 | |
186 | class StoreRootEngine : public AsyncEngine | |
187 | { | |
188 | ||
189 | public: | |
ced8def3 | 190 | int checkEvents(int) { |
8ff3fa2e | 191 | Store::Root().callback(); |
192 | return EVENT_IDLE; | |
193 | }; | |
194 | }; | |
195 | ||
9688b0ae | 196 | class SignalEngine: public AsyncEngine |
a553a5a3 | 197 | { |
198 | ||
199 | public: | |
dbf55289 CT |
200 | #if KILL_PARENT_OPT |
201 | SignalEngine(): parentKillNotified(false) { | |
202 | parentPid = getppid(); | |
203 | } | |
204 | #endif | |
205 | ||
9688b0ae | 206 | virtual int checkEvents(int timeout); |
a553a5a3 | 207 | |
208 | private: | |
0a720258 AR |
209 | static void StopEventLoop(void *) { |
210 | if (EventLoop::Running) | |
211 | EventLoop::Running->stop(); | |
a553a5a3 | 212 | } |
213 | ||
d442618d AJ |
214 | static void FinalShutdownRunners(void *) { |
215 | RunRegisteredHere(RegisteredRunner::endingShutdown); | |
216 | ||
217 | // XXX: this should be a Runner. | |
218 | #if USE_AUTH | |
219 | /* detach the auth components (only do this on full shutdown) */ | |
220 | Auth::Scheme::FreeAll(); | |
221 | #endif | |
222 | ||
223 | eventAdd("SquidTerminate", &StopEventLoop, NULL, 0, 1, false); | |
224 | } | |
225 | ||
9688b0ae | 226 | void doShutdown(time_t wait); |
dbf55289 CT |
227 | void handleStoppedChild(); |
228 | ||
229 | #if KILL_PARENT_OPT | |
230 | bool parentKillNotified; | |
231 | pid_t parentPid; | |
232 | #endif | |
a553a5a3 | 233 | }; |
234 | ||
9688b0ae | 235 | int |
ced8def3 | 236 | SignalEngine::checkEvents(int) |
a553a5a3 | 237 | { |
9688b0ae | 238 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 239 | |
39d48b4f AR |
240 | if (do_reconfigure) |
241 | mainReconfigureStart(); | |
242 | else if (do_rotate) | |
a553a5a3 | 243 | mainRotate(); |
39d48b4f | 244 | else if (do_shutdown) |
9688b0ae | 245 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
39d48b4f | 246 | if (do_handle_stopped_child) |
dbf55289 | 247 | handleStoppedChild(); |
9688b0ae | 248 | PROF_stop(SignalEngine_checkEvents); |
249 | return EVENT_IDLE; | |
250 | } | |
a553a5a3 | 251 | |
39d48b4f AR |
252 | /// Decides whether the signal-controlled action X should be delayed, canceled, |
253 | /// or executed immediately. Clears do_X (via signalVar) as needed. | |
254 | static bool | |
255 | AvoidSignalAction(const char *description, volatile int &signalVar) | |
256 | { | |
257 | const char *avoiding = "delaying"; | |
258 | const char *currentEvent = "none"; | |
259 | if (shutting_down) { | |
260 | currentEvent = "shutdown"; | |
261 | avoiding = "canceling"; | |
262 | signalVar = 0; | |
263 | } | |
264 | else if (!configured_once) | |
265 | currentEvent = "startup"; | |
266 | else if (reconfiguring) | |
267 | currentEvent = "reconfiguration"; | |
268 | else { | |
269 | signalVar = 0; | |
270 | return false; // do not avoid (i.e., execute immediately) | |
271 | // the caller may produce a signal-specific debugging message | |
272 | } | |
273 | ||
274 | debugs(1, DBG_IMPORTANT, avoiding << ' ' << description << | |
275 | " request during " << currentEvent); | |
276 | return true; | |
277 | } | |
278 | ||
9688b0ae | 279 | void |
280 | SignalEngine::doShutdown(time_t wait) | |
281 | { | |
39d48b4f AR |
282 | if (AvoidSignalAction("shutdown", do_shutdown)) |
283 | return; | |
284 | ||
e0236918 FC |
285 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
286 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 287 | |
dbf55289 CT |
288 | #if KILL_PARENT_OPT |
289 | if (!IamMasterProcess() && !parentKillNotified && ShutdownSignal > 0 && parentPid > 1) { | |
290 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << parentPid); | |
291 | if (kill(parentPid, ShutdownSignal) < 0) | |
292 | debugs(1, DBG_IMPORTANT, "kill " << parentPid << ": " << xstrerror()); | |
293 | parentKillNotified = true; | |
294 | } | |
295 | #endif | |
9688b0ae | 296 | |
dbf55289 CT |
297 | if (shutting_down) { |
298 | #if !KILL_PARENT_OPT | |
299 | // Already a shutdown signal has received and shutdown is in progress. | |
300 | // Shutdown as soon as possible. | |
301 | wait = 0; | |
9688b0ae | 302 | #endif |
5c634111 | 303 | } else { |
dbf55289 | 304 | shutting_down = 1; |
9688b0ae | 305 | |
dbf55289 CT |
306 | /* run the closure code which can be shared with reconfigure */ |
307 | serverConnectionsClose(); | |
dbf55289 CT |
308 | |
309 | RunRegisteredHere(RegisteredRunner::startShutdown); | |
310 | } | |
311 | ||
312 | #if USE_WIN32_SERVICE | |
5c634111 | 313 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); |
2f1431ea | 314 | #endif |
21b7990f | 315 | |
d442618d | 316 | eventAdd("SquidShutdown", &FinalShutdownRunners, this, (double) (wait + 1), 1, false); |
a553a5a3 | 317 | } |
318 | ||
dbf55289 CT |
319 | void |
320 | SignalEngine::handleStoppedChild() | |
321 | { | |
39d48b4f AR |
322 | // no AvoidSignalAction() call: This code can run at any time because it |
323 | // does not depend on Squid state. It does not need debugging because it | |
324 | // handles an "internal" signal, not an external/admin command. | |
325 | do_handle_stopped_child = 0; | |
dbf55289 CT |
326 | #if !_SQUID_WINDOWS_ |
327 | PidStatus status; | |
328 | pid_t pid; | |
329 | ||
330 | do { | |
331 | pid = WaitForAnyPid(status, WNOHANG); | |
332 | ||
333 | #if HAVE_SIGACTION | |
334 | ||
335 | } while (pid > 0); | |
336 | ||
337 | #else | |
338 | ||
5c634111 SM |
339 | } |
340 | while (pid > 0 || (pid < 0 && errno == EINTR)); | |
dbf55289 CT |
341 | #endif |
342 | #endif | |
343 | } | |
344 | ||
b8d8561b | 345 | static void |
0673c0ba | 346 | usage(void) |
ccff9601 | 347 | { |
0ee4272b | 348 | fprintf(stderr, |
68dbbe5d | 349 | "Usage: %s [-cdzCFNRVYX] [-n name] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]" |
0e657244 | 350 | #if USE_WIN32_SERVICE |
cf2155f2 | 351 | "[-ir] [-O CommandLine]" |
0e657244 | 352 | #endif |
68dbbe5d AJ |
353 | "\n" |
354 | " -h | --help Print help message.\n" | |
355 | " -v | --version Print version details.\n" | |
cf2155f2 | 356 | "\n" |
62e76326 | 357 | " -a port Specify HTTP port number (default: %d).\n" |
358 | " -d level Write debugging to stderr also.\n" | |
359 | " -f file Use given config-file instead of\n" | |
360 | " %s\n" | |
0e657244 | 361 | #if USE_WIN32_SERVICE |
362 | " -i Installs as a Windows Service (see -n option).\n" | |
363 | #endif | |
98fcbb0e AJ |
364 | " -k reconfigure|rotate|shutdown|" |
365 | #ifdef SIGTTIN | |
366 | "restart|" | |
367 | #endif | |
368 | "interrupt|kill|debug|check|parse\n" | |
62e76326 | 369 | " Parse configuration file, then send signal to \n" |
370 | " running copy (except -k parse) and exit.\n" | |
cf2155f2 AJ |
371 | " -n name Specify service name to use for service operations\n" |
372 | " default is: " APP_SHORTNAME ".\n" | |
0e657244 | 373 | #if USE_WIN32_SERVICE |
0e657244 | 374 | " -r Removes a Windows Service (see -n option).\n" |
375 | #endif | |
5e6d4736 | 376 | " -s | -l facility\n" |
377 | " Enable logging to syslog.\n" | |
62e76326 | 378 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
04632397 | 379 | " -z Create missing swap directories and then exit.\n" |
62e76326 | 380 | " -C Do not catch fatal signals.\n" |
8eb28163 | 381 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 382 | " -F Don't serve any requests until store is rebuilt.\n" |
383 | " -N No daemon mode.\n" | |
0e657244 | 384 | #if USE_WIN32_SERVICE |
385 | " -O options\n" | |
386 | " Set Windows Service Command line options in Registry.\n" | |
387 | #endif | |
62e76326 | 388 | " -R Do not set REUSEADDR on port.\n" |
389 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 390 | " -X Force full debugging.\n" |
391 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 392 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 393 | exit(1); |
ccff9601 | 394 | } |
395 | ||
63be0a78 | 396 | /** |
397 | * Parse the parameters received via command line interface. | |
398 | * | |
68dbbe5d AJ |
399 | * \param argc Number of options received on command line |
400 | * \param argv List of parameters received on command line | |
63be0a78 | 401 | */ |
b8d8561b | 402 | static void |
403 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 404 | { |
68dbbe5d | 405 | int optIndex = 0; |
090089c4 | 406 | |
68dbbe5d AJ |
407 | // short options |
408 | const char *shortOpStr = | |
0e657244 | 409 | #if USE_WIN32_SERVICE |
f53969cc | 410 | "O:Vir" |
0e657244 | 411 | #endif |
f53969cc | 412 | "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?"; |
68dbbe5d AJ |
413 | |
414 | // long options | |
415 | static struct option squidOptions[] = { | |
416 | {"help", no_argument, 0, 'h'}, | |
417 | {"version", no_argument, 0, 'v'}, | |
418 | {0, 0, 0, 0} | |
419 | }; | |
420 | ||
421 | int c; | |
422 | while ((c = getopt_long(argc, argv, shortOpStr, squidOptions, &optIndex)) != -1) { | |
9b7292ce | 423 | |
26ac0430 | 424 | switch (c) { |
62e76326 | 425 | |
426 | case 'C': | |
63be0a78 | 427 | /** \par C |
428 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 429 | opt_catch_signals = 0; |
430 | break; | |
431 | ||
432 | case 'D': | |
63be0a78 | 433 | /** \par D |
8eb28163 AJ |
434 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
435 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 436 | break; |
437 | ||
438 | case 'F': | |
63be0a78 | 439 | /** \par F |
440 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 441 | opt_foreground_rebuild = 1; |
442 | break; | |
443 | ||
444 | case 'N': | |
63be0a78 | 445 | /** \par N |
446 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 447 | opt_no_daemon = 1; |
448 | break; | |
63be0a78 | 449 | |
0e657244 | 450 | #if USE_WIN32_SERVICE |
451 | ||
452 | case 'O': | |
63be0a78 | 453 | /** \par O |
454 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 455 | opt_command_line = 1; |
456 | WIN32_Command_Line = xstrdup(optarg); | |
457 | break; | |
458 | #endif | |
62e76326 | 459 | |
460 | case 'R': | |
63be0a78 | 461 | /** \par R |
462 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 463 | opt_reuseaddr = 0; |
464 | break; | |
465 | ||
466 | case 'S': | |
63be0a78 | 467 | /** \par S |
468 | * Set global option opt_store_doublecheck */ | |
62e76326 | 469 | opt_store_doublecheck = 1; |
470 | break; | |
471 | ||
62e76326 | 472 | case 'X': |
63be0a78 | 473 | /** \par X |
474 | * Force full debugging */ | |
62493678 AJ |
475 | Debug::parseOptions("rotate=0 ALL,9"); |
476 | Debug::override_X = 1; | |
62e76326 | 477 | sigusr2_handle(SIGUSR2); |
62e76326 | 478 | break; |
479 | ||
480 | case 'Y': | |
63be0a78 | 481 | /** \par Y |
482 | * Set global option opt_reload_hit_only */ | |
62e76326 | 483 | opt_reload_hit_only = 1; |
62e76326 | 484 | break; |
485 | ||
0e657244 | 486 | #if USE_WIN32_SERVICE |
487 | ||
488 | case 'i': | |
63be0a78 | 489 | /** \par i |
490 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 491 | opt_install_service = TRUE; |
0e657244 | 492 | break; |
0e657244 | 493 | #endif |
494 | ||
62e76326 | 495 | case 'a': |
63be0a78 | 496 | /** \par a |
497 | * Add optional HTTP port as given following the option */ | |
62e76326 | 498 | add_http_port(optarg); |
62e76326 | 499 | break; |
500 | ||
501 | case 'd': | |
63be0a78 | 502 | /** \par d |
68dbbe5d | 503 | * Set global option Debug::log_stderr to the number given following the option */ |
62493678 | 504 | Debug::log_stderr = atoi(optarg); |
62e76326 | 505 | break; |
506 | ||
507 | case 'f': | |
63be0a78 | 508 | /** \par f |
509 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 510 | xfree(ConfigFile); |
62e76326 | 511 | ConfigFile = xstrdup(optarg); |
62e76326 | 512 | break; |
513 | ||
514 | case 'k': | |
63be0a78 | 515 | /** \par k |
516 | * Run the administrative action given following the option */ | |
fc68f6b1 | 517 | |
63be0a78 | 518 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 519 | if ((int) strlen(optarg) < 1) |
520 | usage(); | |
521 | ||
522 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 523 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 524 | opt_send_signal = SIGHUP; |
525 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 526 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 527 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 528 | opt_send_signal = SIGQUIT; |
e3175d1f | 529 | #else |
62e76326 | 530 | opt_send_signal = SIGUSR1; |
e3175d1f | 531 | #endif |
62e76326 | 532 | |
533 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 534 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 535 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 536 | opt_send_signal = SIGTRAP; |
e3175d1f | 537 | #else |
62e76326 | 538 | opt_send_signal = SIGUSR2; |
62e76326 | 539 | #endif |
540 | ||
541 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 542 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 543 | opt_send_signal = SIGTERM; |
544 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 545 | /** \li On interrupt send SIGINT. */ |
62e76326 | 546 | opt_send_signal = SIGINT; |
547 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 548 | /** \li On kill send SIGKILL. */ |
62e76326 | 549 | opt_send_signal = SIGKILL; |
ae1feb30 | 550 | |
551 | #ifdef SIGTTIN | |
552 | ||
553 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 554 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
555 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 556 | |
557 | #endif | |
558 | ||
62e76326 | 559 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 560 | /** \li On check send 0 / SIGNULL. */ |
f53969cc | 561 | opt_send_signal = 0; /* SIGNULL */ |
62e76326 | 562 | else if (!strncmp(optarg, "parse", strlen(optarg))) |
63be0a78 | 563 | /** \li On parse set global flag to re-parse the config file only. */ |
564 | opt_parse_cfg_only = 1; | |
62e76326 | 565 | else |
566 | usage(); | |
567 | ||
568 | break; | |
569 | ||
570 | case 'm': | |
63be0a78 | 571 | /** \par m |
572 | * Set global malloc_debug_level to the value given following the option. | |
573 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 574 | if (optarg) { |
30a4f2a8 | 575 | #if MALLOC_DBG |
fc68f6b1 | 576 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 577 | #else |
fc68f6b1 | 578 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 579 | #endif |
62e76326 | 580 | |
e2849af8 | 581 | } |
d9e7ee1f | 582 | break; |
d9e7ee1f | 583 | |
0e657244 | 584 | case 'n': |
63be0a78 | 585 | /** \par n |
cf2155f2 AJ |
586 | * Set global option opt_signal_service (to true). |
587 | * Stores the additional parameter given in global service_name */ | |
eeae1733 | 588 | if (optarg && *optarg != '\0') { |
d5f21615 AJ |
589 | const SBuf t(optarg); |
590 | ::Parser::Tokenizer tok(t); | |
591 | const CharacterSet chr = CharacterSet::ALPHA+CharacterSet::DIGIT; | |
8cb327e9 AR |
592 | if (!tok.prefix(service_name, chr)) |
593 | fatalf("Expected alphanumeric service name for the -n option but got: %s", optarg); | |
594 | if (!tok.atEnd()) | |
595 | fatalf("Garbage after alphanumeric service name in the -n option value: %s", optarg); | |
d5f21615 AJ |
596 | if (service_name.length() > 32) |
597 | fatalf("Service name (-n option) must be limited to 32 characters but got %u", service_name.length()); | |
598 | opt_signal_service = true; | |
599 | } else { | |
600 | fatal("A service name is required for the -n option"); | |
601 | } | |
0e657244 | 602 | break; |
603 | ||
cf2155f2 AJ |
604 | #if USE_WIN32_SERVICE |
605 | ||
0e657244 | 606 | case 'r': |
63be0a78 | 607 | /** \par r |
608 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 609 | opt_remove_service = TRUE; |
610 | ||
611 | break; | |
612 | ||
613 | #endif | |
614 | ||
5e6d4736 | 615 | case 'l': |
63be0a78 | 616 | /** \par l |
617 | * Stores the syslog facility name in global opt_syslog_facility | |
618 | * then performs actions for -s option. */ | |
5c6dae44 | 619 | xfree(opt_syslog_facility); // ignore any previous options sent |
5e6d4736 | 620 | opt_syslog_facility = xstrdup(optarg); |
621 | ||
62e76326 | 622 | case 's': |
63be0a78 | 623 | /** \par s |
624 | * Initialize the syslog for output */ | |
c307aec3 | 625 | #if HAVE_SYSLOG |
62e76326 | 626 | |
5e6d4736 | 627 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 628 | |
62e76326 | 629 | break; |
0e657244 | 630 | |
c307aec3 | 631 | #else |
62e76326 | 632 | |
633 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 634 | |
62e76326 | 635 | /* NOTREACHED */ |
636 | #endif | |
637 | ||
638 | case 'u': | |
63be0a78 | 639 | /** \par u |
640 | * Store the ICP port number given in global option icpPortNumOverride | |
641 | * ensuring its a positive number. */ | |
62e76326 | 642 | icpPortNumOverride = atoi(optarg); |
643 | ||
644 | if (icpPortNumOverride < 0) | |
645 | icpPortNumOverride = 0; | |
646 | ||
647 | break; | |
648 | ||
649 | case 'v': | |
63be0a78 | 650 | /** \par v |
651 | * Display squid version and build information. Then exit. */ | |
4fe75473 | 652 | printf("Squid Cache: Version %s\n" ,version_string); |
d5f21615 | 653 | printf("Service Name: " SQUIDSBUFPH "\n", SQUIDSBUFPRINT(service_name)); |
4fe75473 FC |
654 | if (strlen(SQUID_BUILD_INFO)) |
655 | printf("%s\n",SQUID_BUILD_INFO); | |
656 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 657 | |
1a774556 | 658 | #if USE_WIN32_SERVICE |
659 | ||
660 | printf("Compiled as Windows System Service.\n"); | |
661 | ||
662 | #endif | |
663 | ||
62e76326 | 664 | exit(0); |
665 | ||
f53969cc | 666 | /* NOTREACHED */ |
62e76326 | 667 | |
668 | case 'z': | |
63be0a78 | 669 | /** \par z |
62493678 AJ |
670 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
671 | Debug::log_stderr = 1; | |
62e76326 | 672 | opt_create_swap_dirs = 1; |
62e76326 | 673 | break; |
674 | ||
63be0a78 | 675 | case 'h': |
676 | ||
62e76326 | 677 | case '?': |
678 | ||
679 | default: | |
63be0a78 | 680 | /** \par h,?, or unknown |
681 | * \copydoc usage() */ | |
62e76326 | 682 | usage(); |
683 | ||
684 | break; | |
685 | } | |
9b7292ce | 686 | |
090089c4 | 687 | } |
4d64d74a | 688 | } |
090089c4 | 689 | |
7a2f978b | 690 | /* ARGSUSED */ |
b293c4d8 | 691 | void |
9b7292ce | 692 | rotate_logs(int sig) |
693 | { | |
5cd39a10 | 694 | do_rotate = 1; |
a2c48c98 | 695 | RotateSignal = sig; |
7aa9bb3e | 696 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 697 | #if !HAVE_SIGACTION |
62e76326 | 698 | |
30a4f2a8 | 699 | signal(sig, rotate_logs); |
700 | #endif | |
a50bfe93 | 701 | #endif |
30a4f2a8 | 702 | } |
703 | ||
7a2f978b | 704 | /* ARGSUSED */ |
b293c4d8 | 705 | void |
9b7292ce | 706 | reconfigure(int sig) |
707 | { | |
5cd39a10 | 708 | do_reconfigure = 1; |
a2c48c98 | 709 | ReconfigureSignal = sig; |
7aa9bb3e | 710 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 711 | #if !HAVE_SIGACTION |
62e76326 | 712 | |
30a4f2a8 | 713 | signal(sig, reconfigure); |
714 | #endif | |
a50bfe93 | 715 | #endif |
30a4f2a8 | 716 | } |
717 | ||
dbf55289 CT |
718 | /// Shutdown signal handler for master process |
719 | void | |
720 | master_shutdown(int sig) | |
721 | { | |
722 | do_shutdown = 1; | |
723 | ShutdownSignal = sig; | |
724 | ||
725 | #if !_SQUID_WINDOWS_ | |
726 | #if !HAVE_SIGACTION | |
727 | signal(sig, master_shutdown); | |
728 | #endif | |
729 | #endif | |
730 | ||
731 | } | |
732 | ||
b8d8561b | 733 | void |
9b7292ce | 734 | shut_down(int sig) |
735 | { | |
2681d383 | 736 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 737 | ShutdownSignal = sig; |
d75df34a | 738 | #if defined(SIGTTIN) |
ae1feb30 | 739 | if (SIGTTIN == sig) |
740 | shutdown_status = 1; | |
ae1feb30 | 741 | #endif |
ca4b9ee6 | 742 | |
d75df34a | 743 | #if !_SQUID_WINDOWS_ |
dbf55289 CT |
744 | #if !HAVE_SIGACTION |
745 | signal(sig, shut_down); | |
746 | #endif | |
747 | #endif | |
748 | } | |
62e76326 | 749 | |
dbf55289 CT |
750 | void |
751 | sig_child(int sig) | |
752 | { | |
753 | do_handle_stopped_child = 1; | |
62e76326 | 754 | |
dbf55289 CT |
755 | #if !_SQUID_WINDOWS_ |
756 | #if !HAVE_SIGACTION | |
757 | signal(sig, sig_child); | |
a50bfe93 | 758 | #endif |
6e40f263 | 759 | #endif |
30a4f2a8 | 760 | } |
761 | ||
24382924 | 762 | static void |
9b7292ce | 763 | serverConnectionsOpen(void) |
764 | { | |
7de94c8c AR |
765 | if (IamPrimaryProcess()) { |
766 | #if USE_WCCP | |
5667a628 | 767 | wccpConnectionOpen(); |
7de94c8c | 768 | #endif |
45aae82b | 769 | |
7de94c8c AR |
770 | #if USE_WCCPv2 |
771 | ||
5667a628 | 772 | wccp2ConnectionOpen(); |
7de94c8c AR |
773 | #endif |
774 | } | |
095ec2b1 AR |
775 | // start various proxying services if we are responsible for them |
776 | if (IamWorkerProcess()) { | |
5667a628 | 777 | clientOpenListenSockets(); |
65d448bc | 778 | icpOpenPorts(); |
ace287ee | 779 | #if USE_HTCP |
65d448bc | 780 | htcpOpenPorts(); |
ace287ee | 781 | #endif |
a67d2b2e | 782 | #if SQUID_SNMP |
65d448bc | 783 | snmpOpenPorts(); |
320e9f36 | 784 | #endif |
0b0cfcf2 | 785 | |
5667a628 AR |
786 | icmpEngine.Open(); |
787 | netdbInit(); | |
788 | asnInit(); | |
789 | ACL::Initialize(); | |
790 | peerSelectInit(); | |
791 | ||
792 | carpInit(); | |
2f1431ea | 793 | #if USE_AUTH |
5667a628 | 794 | peerUserHashInit(); |
2f1431ea | 795 | #endif |
5667a628 | 796 | peerSourceHashInit(); |
7de94c8c | 797 | } |
5f3f8d0e | 798 | } |
799 | ||
d71e4674 | 800 | static void |
9b7292ce | 801 | serverConnectionsClose(void) |
802 | { | |
0a5a8601 | 803 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
804 | |
805 | if (IamPrimaryProcess()) { | |
806 | #if USE_WCCP | |
807 | ||
5667a628 | 808 | wccpConnectionClose(); |
7de94c8c AR |
809 | #endif |
810 | #if USE_WCCPv2 | |
811 | ||
5667a628 | 812 | wccp2ConnectionClose(); |
7de94c8c AR |
813 | #endif |
814 | } | |
095ec2b1 | 815 | if (IamWorkerProcess()) { |
434a79b0 | 816 | clientConnectionsClose(); |
5667a628 | 817 | icpConnectionShutdown(); |
72549e05 | 818 | #if USE_HTCP |
5667a628 | 819 | htcpSocketShutdown(); |
72549e05 | 820 | #endif |
62e76326 | 821 | |
5667a628 | 822 | icmpEngine.Close(); |
a67d2b2e | 823 | #if SQUID_SNMP |
65d448bc | 824 | snmpClosePorts(); |
320e9f36 | 825 | #endif |
62e76326 | 826 | |
5667a628 | 827 | asnFreeMemory(); |
7de94c8c | 828 | } |
5f3f8d0e | 829 | } |
830 | ||
b8d8561b | 831 | static void |
d71e4674 | 832 | mainReconfigureStart(void) |
9b7292ce | 833 | { |
39d48b4f AR |
834 | if (AvoidSignalAction("reconfiguration", do_reconfigure)) |
835 | return; | |
836 | ||
e0236918 | 837 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 838 | reconfiguring = 1; |
d71e4674 AR |
839 | |
840 | // Initiate asynchronous closing sequence | |
15df8349 | 841 | serverConnectionsClose(); |
65d448bc | 842 | icpClosePorts(); |
72549e05 | 843 | #if USE_HTCP |
65d448bc | 844 | htcpClosePorts(); |
72549e05 | 845 | #endif |
4a3b98d7 | 846 | Dns::Shutdown(); |
95d2589c CT |
847 | #if USE_SSL_CRTD |
848 | Ssl::Helper::GetInstance()->Shutdown(); | |
849 | #endif | |
cb4f4424 | 850 | #if USE_OPENSSL |
f54e3d4c AR |
851 | if (Ssl::CertValidationHelper::GetInstance()) |
852 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c CT |
853 | Ssl::TheGlobalContextStorage.reconfigureStart(); |
854 | #endif | |
74addf6c | 855 | redirectShutdown(); |
2f1431ea | 856 | #if USE_AUTH |
0bcb6908 | 857 | authenticateReset(); |
2f1431ea | 858 | #endif |
d9572179 | 859 | externalAclShutdown(); |
2db68ce5 | 860 | storeDirCloseSwapLogs(); |
2e923080 | 861 | storeLogClose(); |
862 | accessLogClose(); | |
3ff65596 AR |
863 | #if ICAP_CLIENT |
864 | icapLogClose(); | |
865 | #endif | |
d71e4674 AR |
866 | |
867 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 868 | false); |
d71e4674 AR |
869 | } |
870 | ||
871 | static void | |
26ac0430 AJ |
872 | mainReconfigureFinish(void *) |
873 | { | |
d71e4674 AR |
874 | debugs(1, 3, "finishing reconfiguring"); |
875 | ||
c68e9c6b | 876 | errorClean(); |
f53969cc | 877 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
878 | |
879 | // we may have disabled the need for PURGE | |
e1381638 | 880 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
881 | Config2.onoff.enable_purge = 2; |
882 | ||
18631119 | 883 | // parse the config returns a count of errors encountered. |
13aeac35 | 884 | const int oldWorkers = Config.workers; |
8951901e AJ |
885 | try { |
886 | if (parseConfigFile(ConfigFile) != 0) { | |
887 | // for now any errors are a fatal condition... | |
888 | self_destruct(); | |
889 | } | |
890 | } catch (...) { | |
18631119 | 891 | // for now any errors are a fatal condition... |
8951901e AJ |
892 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file. " << |
893 | " Run squid -k parse and check for errors."); | |
18631119 AJ |
894 | self_destruct(); |
895 | } | |
8951901e | 896 | |
13aeac35 AR |
897 | if (oldWorkers != Config.workers) { |
898 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 | 899 | oldWorkers << " to " << Config.workers << |
0b68976e | 900 | ") requires a full restart. It has been ignored by reconfigure."); |
13aeac35 | 901 | Config.workers = oldWorkers; |
a2c48c98 | 902 | } |
936b23cd | 903 | |
21b7990f AR |
904 | RunRegisteredHere(RegisteredRunner::syncConfig); |
905 | ||
96c2bb61 AR |
906 | if (IamPrimaryProcess()) |
907 | CpuAffinityCheck(); | |
908 | CpuAffinityReconfigure(); | |
909 | ||
c642c141 | 910 | setUmask(Config.umask); |
97244680 | 911 | Mem::Report(); |
3aa4adbc | 912 | setEffectiveUser(); |
62493678 | 913 | _db_init(Debug::cache_log, Debug::debugOptions); |
f53969cc SM |
914 | ipcache_restart(); /* clear stuck entries */ |
915 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 916 | parseEtcHosts(); |
f53969cc | 917 | errorInitialize(); /* reload error pages */ |
2e923080 | 918 | accessLogInit(); |
76fc7e57 AJ |
919 | |
920 | #if USE_LOADABLE_MODULES | |
921 | LoadableModulesConfigure(Config.loadable_module_names); | |
922 | #endif | |
923 | ||
924 | #if USE_ADAPTATION | |
925 | bool enableAdaptation = false; | |
926 | #if ICAP_CLIENT | |
927 | Adaptation::Icap::TheConfig.finalize(); | |
928 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
929 | #endif | |
930 | #if USE_ECAP | |
931 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
932 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
933 | #endif | |
934 | Adaptation::Config::Finalize(enableAdaptation); | |
935 | #endif | |
d090e020 | 936 | |
3ff65596 AR |
937 | #if ICAP_CLIENT |
938 | icapLogOpen(); | |
939 | #endif | |
2e923080 | 940 | storeLogOpen(); |
4a3b98d7 | 941 | Dns::Init(); |
95d2589c CT |
942 | #if USE_SSL_CRTD |
943 | Ssl::Helper::GetInstance()->Init(); | |
944 | #endif | |
cb4f4424 | 945 | #if USE_OPENSSL |
2cef0ca6 AR |
946 | if (Ssl::CertValidationHelper::GetInstance()) |
947 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
948 | #endif | |
62e76326 | 949 | |
74addf6c | 950 | redirectInit(); |
2f1431ea | 951 | #if USE_AUTH |
5817ee13 | 952 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 953 | #endif |
d9572179 | 954 | externalAclInit(); |
7de94c8c AR |
955 | |
956 | if (IamPrimaryProcess()) { | |
1f38f50a | 957 | #if USE_WCCP |
62e76326 | 958 | |
5667a628 | 959 | wccpInit(); |
1f38f50a | 960 | #endif |
0b0cfcf2 | 961 | #if USE_WCCPv2 |
962 | ||
5667a628 | 963 | wccp2Init(); |
0b0cfcf2 | 964 | #endif |
7de94c8c | 965 | } |
62e76326 | 966 | |
0ffd22bc | 967 | serverConnectionsOpen(); |
9c2e9b50 | 968 | |
3ee2b4f8 | 969 | neighbors_init(); |
9c2e9b50 | 970 | |
2db68ce5 | 971 | storeDirOpenSwapLogs(); |
9c2e9b50 | 972 | |
9c021a38 | 973 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 974 | |
c521ad17 DK |
975 | if (unlinkdNeeded()) |
976 | unlinkdInit(); | |
c521ad17 | 977 | |
9a0a18de | 978 | #if USE_DELAY_POOLS |
b4cd430a CT |
979 | Config.ClientDelay.finalize(); |
980 | #endif | |
981 | ||
926375e6 | 982 | if (Config.onoff.announce) { |
983 | if (!eventFind(start_announce, NULL)) | |
984 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
985 | } else { | |
986 | if (eventFind(start_announce, NULL)) | |
987 | eventDelete(start_announce, NULL); | |
988 | } | |
989 | ||
dbf55289 | 990 | if (!InDaemonMode()) |
5c634111 | 991 | writePidFile(); /* write PID file */ |
9c2e9b50 | 992 | |
5cd39a10 | 993 | reconfiguring = 0; |
994 | } | |
995 | ||
996 | static void | |
9b7292ce | 997 | mainRotate(void) |
998 | { | |
39d48b4f AR |
999 | if (AvoidSignalAction("log rotation", do_rotate)) |
1000 | return; | |
1001 | ||
cc192b50 | 1002 | icmpEngine.Close(); |
e40aa8da | 1003 | redirectShutdown(); |
2f1431ea | 1004 | #if USE_AUTH |
0bcb6908 | 1005 | authenticateRotate(); |
2f1431ea | 1006 | #endif |
d9572179 | 1007 | externalAclShutdown(); |
0a6dd8fb | 1008 | |
f53969cc | 1009 | _db_rotate_log(); /* cache.log */ |
5cd39a10 | 1010 | storeDirWriteCleanLogs(1); |
f53969cc SM |
1011 | storeLogRotate(); /* store.log */ |
1012 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
1013 | #if ICAP_CLIENT |
1014 | icapLogRotate(); /*icap.log*/ | |
1015 | #endif | |
cc192b50 | 1016 | icmpEngine.Open(); |
e40aa8da | 1017 | redirectInit(); |
2f1431ea | 1018 | #if USE_AUTH |
5817ee13 | 1019 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1020 | #endif |
d9572179 | 1021 | externalAclInit(); |
5f3f8d0e | 1022 | } |
1023 | ||
067bea91 | 1024 | static void |
9b7292ce | 1025 | setEffectiveUser(void) |
1026 | { | |
fc68f6b1 | 1027 | keepCapabilities(); |
f53969cc | 1028 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 1029 | #if _SQUID_OS2_ |
62e76326 | 1030 | |
cd377065 | 1031 | return; |
1032 | #endif | |
62e76326 | 1033 | |
85407535 | 1034 | if (geteuid() == 0) { |
fa84c01d FC |
1035 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
1036 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
1037 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
1038 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 1039 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 1040 | } |
1041 | } | |
1042 | ||
dd0cbc64 AR |
1043 | /// changes working directory, providing error reporting |
1044 | static bool | |
1045 | mainChangeDir(const char *dir) | |
1046 | { | |
1047 | if (chdir(dir) == 0) | |
1048 | return true; | |
1049 | ||
1050 | debugs(50, DBG_CRITICAL, "cannot change current directory to " << dir << | |
1051 | ": " << xstrerror()); | |
1052 | return false; | |
1053 | } | |
1054 | ||
133906f5 | 1055 | /// set the working directory. |
b6a2f15e | 1056 | static void |
9b7292ce | 1057 | mainSetCwd(void) |
1058 | { | |
133906f5 | 1059 | static bool chrooted = false; |
133906f5 AJ |
1060 | if (Config.chroot_dir && !chrooted) { |
1061 | chrooted = true; | |
62e76326 | 1062 | |
dd0cbc64 AR |
1063 | if (chroot(Config.chroot_dir) != 0) |
1064 | fatalf("chroot to %s failed: %s", Config.chroot_dir, xstrerror()); | |
133906f5 | 1065 | |
dd0cbc64 AR |
1066 | if (!mainChangeDir("/")) |
1067 | fatalf("chdir to / after chroot to %s failed", Config.chroot_dir); | |
133906f5 AJ |
1068 | } |
1069 | ||
dd0cbc64 AR |
1070 | if (Config.coredump_dir && strcmp("none", Config.coredump_dir) != 0) { |
1071 | if (mainChangeDir(Config.coredump_dir)) { | |
e0236918 | 1072 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 1073 | return; |
62e76326 | 1074 | } |
b6a2f15e | 1075 | } |
62e76326 | 1076 | |
02e8115e | 1077 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
dd0cbc64 | 1078 | char pathbuf[MAXPATHLEN]; |
4a504376 | 1079 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 1080 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 1081 | } else { |
fa84c01d | 1082 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerror()); |
4a504376 | 1083 | } |
b6a2f15e | 1084 | } |
1085 | ||
b8d8561b | 1086 | static void |
9b7292ce | 1087 | mainInitialize(void) |
1088 | { | |
efd900cb | 1089 | /* chroot if configured to run inside chroot */ |
133906f5 | 1090 | mainSetCwd(); |
62e76326 | 1091 | |
1758c627 | 1092 | if (opt_catch_signals) { |
62e76326 | 1093 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
1094 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 1095 | } |
62e76326 | 1096 | |
30a4f2a8 | 1097 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
1098 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
a918ecc6 | 1099 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
44f99671 | 1100 | |
85407535 | 1101 | setEffectiveUser(); |
62e76326 | 1102 | |
30a4f2a8 | 1103 | if (icpPortNumOverride != 1) |
f45dd259 | 1104 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 1105 | |
62493678 | 1106 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 1107 | |
62493678 | 1108 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 1109 | |
fa84c01d | 1110 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
cf2155f2 | 1111 | debugs(1, DBG_CRITICAL, "Service Name: " << service_name); |
62e76326 | 1112 | |
be266cb2 | 1113 | #if _SQUID_WINDOWS_ |
b293c4d8 | 1114 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d | 1115 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); |
b293c4d8 | 1116 | } else |
fa84c01d | 1117 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 1118 | #endif |
1119 | ||
e0236918 | 1120 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 1121 | |
e0236918 | 1122 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 1123 | |
f3f0f563 | 1124 | setSystemLimits(); |
e0236918 | 1125 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 1126 | |
7aa9bb3e | 1127 | #if _SQUID_WINDOWS_ |
6c1962dd | 1128 | |
e0236918 | 1129 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 1130 | |
1131 | if (WIN32_Socks_initialized) | |
e0236918 | 1132 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1133 | |
babd1fd5 | 1134 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1135 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1136 | } |
1137 | ||
6c1962dd | 1138 | #endif |
1139 | ||
5f3f8d0e | 1140 | ipcache_init(); |
62e76326 | 1141 | |
f88bb09c | 1142 | fqdncache_init(); |
62e76326 | 1143 | |
0e70aa1e | 1144 | parseEtcHosts(); |
62e76326 | 1145 | |
4a3b98d7 | 1146 | Dns::Init(); |
62e76326 | 1147 | |
586089cd CT |
1148 | #if USE_SSL_CRTD |
1149 | Ssl::Helper::GetInstance()->Init(); | |
1150 | #endif | |
1151 | ||
cb4f4424 | 1152 | #if USE_OPENSSL |
10a69fc0 CT |
1153 | if (!configured_once) |
1154 | Ssl::initialize_session_cache(); | |
1155 | ||
2cef0ca6 AR |
1156 | if (Ssl::CertValidationHelper::GetInstance()) |
1157 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
1158 | #endif | |
1159 | ||
74addf6c | 1160 | redirectInit(); |
2f1431ea | 1161 | #if USE_AUTH |
5817ee13 | 1162 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1163 | #endif |
d9572179 | 1164 | externalAclInit(); |
62e76326 | 1165 | |
f53969cc | 1166 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1167 | |
f53969cc | 1168 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 1169 | |
9b312a19 | 1170 | errorInitialize(); |
62e76326 | 1171 | |
7a2f978b | 1172 | accessLogInit(); |
62e76326 | 1173 | |
e1381638 | 1174 | #if ICAP_CLIENT |
3ff65596 AR |
1175 | icapLogOpen(); |
1176 | #endif | |
1177 | ||
3898f57f | 1178 | #if USE_IDENT |
4daaf3cb | 1179 | Ident::Init(); |
3898f57f | 1180 | #endif |
4daaf3cb | 1181 | |
59ad6d31 | 1182 | #if SQUID_SNMP |
62e76326 | 1183 | |
5e14bf6d | 1184 | snmpInit(); |
62e76326 | 1185 | |
5e14bf6d | 1186 | #endif |
30a4f2a8 | 1187 | #if MALLOC_DBG |
62e76326 | 1188 | |
5f3f8d0e | 1189 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1190 | |
5f3f8d0e | 1191 | #endif |
1192 | ||
dbe4fd8e | 1193 | if (!configured_once) { |
c521ad17 DK |
1194 | if (unlinkdNeeded()) |
1195 | unlinkdInit(); | |
62e76326 | 1196 | |
1197 | urlInitialize(); | |
62e76326 | 1198 | statInit(); |
1199 | storeInit(); | |
1200 | mainSetCwd(); | |
62e76326 | 1201 | mimeInit(Config.mimeTablePathname); |
62e76326 | 1202 | refreshInit(); |
9a0a18de | 1203 | #if USE_DELAY_POOLS |
62e76326 | 1204 | DelayPools::Init(); |
0d7e5d78 | 1205 | #endif |
62e76326 | 1206 | |
b6b6f466 | 1207 | FwdState::initModule(); |
62ee09ca | 1208 | /* register the modules in the cache manager menus */ |
62ee09ca | 1209 | |
a08f1b5a | 1210 | cbdataRegisterWithCacheManager(); |
d87f6b1d HN |
1211 | SBufStatsAction::RegisterWithCacheManager(); |
1212 | ||
62ee09ca | 1213 | /* These use separate calls so that the comm loops can eventually |
1214 | * coexist. | |
1215 | */ | |
62ee09ca | 1216 | |
15b3c0d7 | 1217 | eventInit(); |
610ee341 | 1218 | |
26ac0430 | 1219 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1220 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1221 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1222 | } |
62e76326 | 1223 | |
7de94c8c | 1224 | if (IamPrimaryProcess()) { |
1f38f50a | 1225 | #if USE_WCCP |
5667a628 | 1226 | wccpInit(); |
62e76326 | 1227 | |
0b0cfcf2 | 1228 | #endif |
1229 | #if USE_WCCPv2 | |
1230 | ||
5667a628 | 1231 | wccp2Init(); |
0b0cfcf2 | 1232 | |
1f38f50a | 1233 | #endif |
7de94c8c | 1234 | } |
62e76326 | 1235 | |
2285407f | 1236 | serverConnectionsOpen(); |
62e76326 | 1237 | |
3ee2b4f8 | 1238 | neighbors_init(); |
fc68f6b1 | 1239 | |
5f5e883f | 1240 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1241 | |
efd900cb | 1242 | if (Config.chroot_dir) |
62e76326 | 1243 | no_suid(); |
1244 | ||
dbf55289 | 1245 | if (!configured_once && !InDaemonMode()) |
f53969cc | 1246 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1247 | |
605f2c3e | 1248 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1249 | |
e3175d1f | 1250 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1251 | |
e3175d1f | 1252 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1253 | |
e3175d1f | 1254 | #else |
62e76326 | 1255 | |
30a4f2a8 | 1256 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1257 | |
30a4f2a8 | 1258 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1259 | |
9fc0b4b8 | 1260 | #endif |
62e76326 | 1261 | |
dbf55289 | 1262 | squid_signal(SIGTERM, shut_down, SA_RESTART); |
62e76326 | 1263 | |
dbf55289 | 1264 | squid_signal(SIGINT, shut_down, SA_RESTART); |
62e76326 | 1265 | |
ae1feb30 | 1266 | #ifdef SIGTTIN |
1267 | ||
dbf55289 | 1268 | squid_signal(SIGTTIN, shut_down, SA_RESTART); |
ae1feb30 | 1269 | |
1270 | #endif | |
1271 | ||
58a39dc9 | 1272 | memCheckInit(); |
62e76326 | 1273 | |
57afc994 AR |
1274 | #if USE_LOADABLE_MODULES |
1275 | LoadableModulesConfigure(Config.loadable_module_names); | |
1276 | #endif | |
1277 | ||
8f361c50 AR |
1278 | #if USE_ADAPTATION |
1279 | bool enableAdaptation = false; | |
1280 | ||
1281 | // We can remove this dependency on specific adaptation mechanisms | |
1282 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1283 | #if ICAP_CLIENT |
26cc52cb AR |
1284 | Adaptation::Icap::TheConfig.finalize(); |
1285 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1286 | #endif |
1287 | #if USE_ECAP | |
574b508c AR |
1288 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1289 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1290 | #endif |
8f361c50 AR |
1291 | // must be the last adaptation-related finalize |
1292 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1293 | #endif |
1294 | ||
79039294 AR |
1295 | #if USE_SQUID_ESI |
1296 | Esi::Init(); | |
1297 | #endif | |
b958cb0f | 1298 | |
9a0a18de | 1299 | #if USE_DELAY_POOLS |
b4cd430a CT |
1300 | Config.ClientDelay.finalize(); |
1301 | #endif | |
1302 | ||
dbe4fd8e | 1303 | if (!configured_once) { |
c8f4eac4 | 1304 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1305 | |
1306 | if (Config.onoff.announce) | |
1307 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1308 | ||
1309 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1310 | ||
1311 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1312 | ||
88bfe092 | 1313 | #if USE_XPROF_STATS |
62e76326 | 1314 | |
1315 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1316 | ||
88bfe092 | 1317 | #endif |
62e76326 | 1318 | |
1319 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1320 | } |
62e76326 | 1321 | |
dbe4fd8e | 1322 | configured_once = 1; |
4d64d74a | 1323 | } |
1324 | ||
c842329d | 1325 | /// unsafe main routine -- may throw |
f3f3e961 | 1326 | int SquidMain(int argc, char **argv); |
c842329d | 1327 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1328 | static int SquidMainSafe(int argc, char **argv); |
1329 | ||
6c1962dd | 1330 | #if USE_WIN32_SERVICE |
a74922b5 | 1331 | /* Entry point for Windows services */ |
6c1962dd | 1332 | extern "C" void WINAPI |
e1381638 | 1333 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1334 | { |
1335 | SquidMainSafe(argc, argv); | |
1336 | } | |
a74922b5 AJ |
1337 | #endif |
1338 | ||
b8d8561b | 1339 | int |
1340 | main(int argc, char **argv) | |
6e5db507 | 1341 | { |
a74922b5 AJ |
1342 | #if USE_WIN32_SERVICE |
1343 | SetErrorMode(SEM_NOGPFAULTERRORBOX); | |
1344 | if ((argc == 2) && strstr(argv[1], _WIN_SQUID_SERVICE_OPTION)) | |
1345 | return WIN32_StartService(argc, argv); | |
1346 | else { | |
1347 | WIN32_run_mode = _WIN_SQUID_RUN_MODE_INTERACTIVE; | |
1348 | opt_no_daemon = 1; | |
1349 | } | |
1350 | #endif | |
1351 | ||
18631119 | 1352 | return SquidMainSafe(argc, argv); |
6e5db507 AR |
1353 | } |
1354 | ||
1355 | static int | |
1356 | SquidMainSafe(int argc, char **argv) | |
1357 | { | |
1358 | try { | |
1359 | return SquidMain(argc, argv); | |
26ac0430 | 1360 | } catch (const std::exception &e) { |
51618c6a | 1361 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1362 | e.what()); |
26ac0430 AJ |
1363 | throw; |
1364 | } catch (...) { | |
51618c6a | 1365 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1366 | throw; |
1367 | } | |
1368 | return -1; // not reached | |
6e5db507 AR |
1369 | } |
1370 | ||
d4a3e179 AR |
1371 | /// computes name and ID for the current kid process |
1372 | static void | |
1373 | ConfigureCurrentKid(const char *processName) | |
1374 | { | |
5667a628 | 1375 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1376 | if (processName && processName[0] == '(') { |
1377 | if (const char *idStart = strrchr(processName, '-')) { | |
1378 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1379 | const size_t nameLen = idStart - (processName + 1); |
1380 | assert(nameLen < sizeof(TheKidName)); | |
1381 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1382 | if (!strcmp(TheKidName, "squid-coord")) |
1383 | TheProcessKind = pkCoordinator; | |
9199139f | 1384 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1385 | TheProcessKind = pkWorker; |
9199139f | 1386 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1387 | TheProcessKind = pkDisker; |
1388 | else | |
1389 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1390 | } |
2664c457 | 1391 | } else { |
9de6c973 | 1392 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1393 | KidIdentifier = 0; |
d4a3e179 | 1394 | } |
d4a3e179 AR |
1395 | } |
1396 | ||
f3f3e961 | 1397 | int |
6e5db507 | 1398 | SquidMain(int argc, char **argv) |
9b7292ce | 1399 | { |
d4a3e179 | 1400 | ConfigureCurrentKid(argv[0]); |
007d775d | 1401 | |
fb6a61d1 | 1402 | Debug::parseOptions(NULL); |
9b7292ce | 1403 | debug_log = stderr; |
62e76326 | 1404 | |
b9269882 | 1405 | #if defined(SQUID_MAXFD_LIMIT) |
1406 | ||
1407 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1408 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1409 | ||
1410 | #endif | |
399e85ea | 1411 | |
cf3edd6f FC |
1412 | /* NOP under non-windows */ |
1413 | int WIN32_init_err=0; | |
a0aa9e74 | 1414 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1415 | return WIN32_init_err; | |
0e6d05ef | 1416 | |
9b7292ce | 1417 | /* call mallopt() before anything else */ |
0b29fe44 | 1418 | #if HAVE_MALLOPT |
7328e889 | 1419 | #ifdef M_GRAIN |
9b7292ce | 1420 | /* Round up all sizes to a multiple of this */ |
1421 | mallopt(M_GRAIN, 16); | |
62e76326 | 1422 | |
7328e889 | 1423 | #endif |
1424 | #ifdef M_MXFAST | |
9b7292ce | 1425 | /* biggest size that is considered a small block */ |
1426 | mallopt(M_MXFAST, 256); | |
62e76326 | 1427 | |
7328e889 | 1428 | #endif |
1429 | #ifdef M_NBLKS | |
9b7292ce | 1430 | /* allocate this many small blocks at once */ |
1431 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1432 | |
7328e889 | 1433 | #endif |
1434 | #endif /* HAVE_MALLOPT */ | |
1435 | ||
9b7292ce | 1436 | getCurrentTime(); |
62e76326 | 1437 | |
9b7292ce | 1438 | squid_start = current_time; |
62e76326 | 1439 | |
9b7292ce | 1440 | failure_notify = fatal_dump; |
4d64d74a | 1441 | |
6c1962dd | 1442 | #if USE_WIN32_SERVICE |
1443 | ||
9b7292ce | 1444 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1445 | |
1446 | #endif | |
1447 | ||
9b7292ce | 1448 | mainParseOptions(argc, argv); |
4d64d74a | 1449 | |
9aae6be3 | 1450 | if (opt_parse_cfg_only) { |
26ac0430 | 1451 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1452 | } |
1453 | ||
6c1962dd | 1454 | #if USE_WIN32_SERVICE |
1455 | ||
26ac0430 | 1456 | if (opt_install_service) { |
9b7292ce | 1457 | WIN32_InstallService(); |
a0aa9e74 | 1458 | return 0; |
9b7292ce | 1459 | } |
6c1962dd | 1460 | |
26ac0430 | 1461 | if (opt_remove_service) { |
9b7292ce | 1462 | WIN32_RemoveService(); |
a0aa9e74 | 1463 | return 0; |
9b7292ce | 1464 | } |
6c1962dd | 1465 | |
26ac0430 | 1466 | if (opt_command_line) { |
9b7292ce | 1467 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1468 | return 0; |
9b7292ce | 1469 | } |
6c1962dd | 1470 | |
1471 | #endif | |
1472 | ||
9b7292ce | 1473 | /* parse configuration file |
1474 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1475 | { | |
1476 | int parse_err; | |
62e76326 | 1477 | |
9b7292ce | 1478 | if (!ConfigFile) |
1479 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1480 | |
9b7292ce | 1481 | assert(!configured_once); |
62e76326 | 1482 | |
9b7292ce | 1483 | Mem::Init(); |
62e76326 | 1484 | |
f53969cc | 1485 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1486 | |
7b5b7ba8 | 1487 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1488 | Fs::Init(); |
7b5b7ba8 | 1489 | |
b9ae18aa | 1490 | /* May not be needed for parsing, have not audited for such */ |
1491 | DiskIOModule::SetupAllModules(); | |
1492 | ||
59b2d47f | 1493 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1494 | StoreFileSystem::SetupAllFs(); | |
1495 | ||
c8f4eac4 | 1496 | /* we may want the parsing process to set this up in the future */ |
2745fea5 | 1497 | Store::Init(); |
89736861 | 1498 | Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */ |
055421ee AJ |
1499 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1500 | ||
31971e6a AJ |
1501 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1502 | ||
8951901e AJ |
1503 | try { |
1504 | parse_err = parseConfigFile(ConfigFile); | |
1505 | } catch (...) { | |
1506 | // for now any errors are a fatal condition... | |
1507 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file." << | |
1508 | (opt_parse_cfg_only ? " Run squid -k parse and check for errors." : "")); | |
1509 | parse_err = 1; | |
1510 | } | |
62e76326 | 1511 | |
97244680 | 1512 | Mem::Report(); |
26ac0430 | 1513 | |
18631119 | 1514 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1515 | return parse_err; |
9b7292ce | 1516 | } |
c642c141 | 1517 | setUmask(Config.umask); |
9b7292ce | 1518 | if (-1 == opt_send_signal) |
1519 | if (checkRunningPid()) | |
205d7c3b | 1520 | exit(0); |
e13ee7ad | 1521 | |
9bc73deb | 1522 | #if TEST_ACCESS |
62e76326 | 1523 | |
95564b0d | 1524 | comm_init(); |
62e76326 | 1525 | |
9b7292ce | 1526 | mainInitialize(); |
62e76326 | 1527 | |
9b7292ce | 1528 | test_access(); |
62e76326 | 1529 | |
9b7292ce | 1530 | return 0; |
62e76326 | 1531 | |
9bc73deb | 1532 | #endif |
1533 | ||
9b7292ce | 1534 | /* send signal to running copy and exit */ |
26ac0430 | 1535 | if (opt_send_signal != -1) { |
9b7292ce | 1536 | /* chroot if configured to run inside chroot */ |
133906f5 | 1537 | mainSetCwd(); |
a572d8be | 1538 | if (Config.chroot_dir) { |
a572d8be | 1539 | no_suid(); |
1540 | } else { | |
1541 | leave_suid(); | |
9b7292ce | 1542 | } |
62e76326 | 1543 | |
9b7292ce | 1544 | sendSignal(); |
1545 | /* NOTREACHED */ | |
1546 | } | |
62e76326 | 1547 | |
6d57128b | 1548 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1549 | leave_suid(); |
21b7990f AR |
1550 | RunRegisteredHere(RegisteredRunner::finalizeConfig); |
1551 | RunRegisteredHere(RegisteredRunner::claimMemoryNeeds); | |
1552 | RunRegisteredHere(RegisteredRunner::useConfig); | |
520e0073 | 1553 | enter_suid(); |
9487bae9 | 1554 | |
dbf55289 | 1555 | if (InDaemonMode() && IamMasterProcess()) { |
2ae5c85f | 1556 | watch_child(argv); |
dbf55289 CT |
1557 | // NOTREACHED |
1558 | } | |
2ae5c85f | 1559 | |
26ac0430 | 1560 | if (opt_create_swap_dirs) { |
9b7292ce | 1561 | /* chroot if configured to run inside chroot */ |
133906f5 | 1562 | mainSetCwd(); |
62e76326 | 1563 | |
9b7292ce | 1564 | setEffectiveUser(); |
04632397 | 1565 | debugs(0, DBG_CRITICAL, "Creating missing swap directories"); |
c8f4eac4 | 1566 | Store::Root().create(); |
6c1962dd | 1567 | |
9b7292ce | 1568 | return 0; |
9b7292ce | 1569 | } |
62e76326 | 1570 | |
96c2bb61 AR |
1571 | if (IamPrimaryProcess()) |
1572 | CpuAffinityCheck(); | |
1573 | CpuAffinityInit(); | |
1574 | ||
95564b0d | 1575 | setMaxFD(); |
1576 | ||
1577 | /* init comm module */ | |
1578 | comm_init(); | |
62e76326 | 1579 | |
26ac0430 | 1580 | if (opt_no_daemon) { |
9b7292ce | 1581 | /* we have to init fdstat here. */ |
1582 | fd_open(0, FD_LOG, "stdin"); | |
1583 | fd_open(1, FD_LOG, "stdout"); | |
1584 | fd_open(2, FD_LOG, "stderr"); | |
1585 | } | |
62e76326 | 1586 | |
6c1962dd | 1587 | #if USE_WIN32_SERVICE |
1588 | ||
9b7292ce | 1589 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1590 | |
1591 | #endif | |
1592 | ||
9b7292ce | 1593 | mainInitialize(); |
4d64d74a | 1594 | |
6c1962dd | 1595 | #if USE_WIN32_SERVICE |
1596 | ||
9b7292ce | 1597 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1598 | |
1599 | #endif | |
1600 | ||
9b7292ce | 1601 | /* main loop */ |
a553a5a3 | 1602 | EventLoop mainLoop; |
62e76326 | 1603 | |
0a720258 | 1604 | SignalEngine signalEngine; |
6c1962dd | 1605 | |
9688b0ae | 1606 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1607 | |
8ff3fa2e | 1608 | /* TODO: stop requiring the singleton here */ |
1609 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1610 | |
8ff3fa2e | 1611 | StoreRootEngine store_engine; |
615f9581 | 1612 | |
8ff3fa2e | 1613 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1614 | |
8ff3fa2e | 1615 | CommSelectEngine comm_engine; |
1616 | ||
8ff3fa2e | 1617 | mainLoop.registerEngine(&comm_engine); |
1618 | ||
bef81ea5 | 1619 | mainLoop.setPrimaryEngine(&comm_engine); |
1620 | ||
8ff3fa2e | 1621 | /* use the standard time service */ |
1622 | TimeEngine time_engine; | |
1623 | ||
1624 | mainLoop.setTimeService(&time_engine); | |
1625 | ||
7de94c8c | 1626 | if (IamCoordinatorProcess()) |
4299f876 | 1627 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1628 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1629 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1630 | |
48d54e4d AJ |
1631 | /* at this point we are finished the synchronous startup. */ |
1632 | starting_up = 0; | |
1633 | ||
8ff3fa2e | 1634 | mainLoop.run(); |
1635 | ||
1636 | if (mainLoop.errcount == 10) | |
1637 | fatal_dump("Event loop exited with failure."); | |
1638 | ||
1639 | /* shutdown squid now */ | |
1640 | SquidShutdown(); | |
62e76326 | 1641 | |
9b7292ce | 1642 | /* NOTREACHED */ |
9b7292ce | 1643 | return 0; |
090089c4 | 1644 | } |
7690e8eb | 1645 | |
b8d8561b | 1646 | static void |
0673c0ba | 1647 | sendSignal(void) |
7690e8eb | 1648 | { |
ff8d0ea6 | 1649 | pid_t pid; |
fedac7e5 | 1650 | debug_log = stderr; |
258ac4d7 | 1651 | |
1652 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1653 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1654 | } |
1655 | ||
fedac7e5 | 1656 | pid = readPidFile(); |
62e76326 | 1657 | |
fedac7e5 | 1658 | if (pid > 1) { |
6c1962dd | 1659 | #if USE_WIN32_SERVICE |
6c1962dd | 1660 | if (opt_signal_service) { |
1661 | WIN32_sendSignal(opt_send_signal); | |
1662 | exit(0); | |
cf3edd6f | 1663 | } else { |
7dbca7a4 | 1664 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1665 | fprintf(stderr, "signal to Squid Service:\n"); |
1666 | fprintf(stderr, "missing -n command line switch.\n"); | |
1667 | exit(1); | |
1668 | } | |
6c1962dd | 1669 | /* NOTREACHED */ |
6c1962dd | 1670 | #endif |
1671 | ||
62e76326 | 1672 | if (kill(pid, opt_send_signal) && |
1673 | /* ignore permissions if just running check */ | |
1674 | !(opt_send_signal == 0 && errno == EPERM)) { | |
7dbca7a4 | 1675 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1676 | fprintf(stderr, "signal %d to process %d: %s\n", |
1677 | opt_send_signal, (int) pid, xstrerror()); | |
1678 | exit(1); | |
1679 | } | |
fedac7e5 | 1680 | } else { |
205d7c3b | 1681 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1682 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1683 | exit(1); |
1684 | } else { | |
e08d498f | 1685 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1686 | exit(0); |
1687 | } | |
7690e8eb | 1688 | } |
62e76326 | 1689 | |
fedac7e5 | 1690 | /* signal successfully sent */ |
1691 | exit(0); | |
1692 | } | |
f95b8144 | 1693 | |
7aa9bb3e | 1694 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 1695 | /* |
1696 | * This function is run when Squid is in daemon mode, just | |
1697 | * before the parent forks and starts up the child process. | |
1698 | * It can be used for admin-specific tasks, such as notifying | |
1699 | * someone that Squid is (re)started. | |
1700 | */ | |
1701 | static void | |
1702 | mainStartScript(const char *prog) | |
1703 | { | |
ef364f64 | 1704 | char script[MAXPATHLEN]; |
e18d7fdc | 1705 | char *t; |
1706 | size_t sl = 0; | |
1707 | pid_t cpid; | |
1708 | pid_t rpid; | |
1709 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1710 | |
e18d7fdc | 1711 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1712 | *(++t) = '\0'; |
1713 | sl = strlen(script); | |
e18d7fdc | 1714 | } |
62e76326 | 1715 | |
e18d7fdc | 1716 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1717 | |
e18d7fdc | 1718 | if ((cpid = fork()) == 0) { |
62e76326 | 1719 | /* child */ |
f75662c9 | 1720 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1721 | _exit(-1); |
e18d7fdc | 1722 | } else { |
62e76326 | 1723 | do { |
dbf55289 CT |
1724 | PidStatus status; |
1725 | rpid = WaitForOnePid(cpid, status, 0); | |
62e76326 | 1726 | } while (rpid != cpid); |
e18d7fdc | 1727 | } |
1728 | } | |
1729 | ||
7aa9bb3e | 1730 | #endif /* _SQUID_WINDOWS_ */ |
a50bfe93 | 1731 | |
efd900cb | 1732 | static int |
1733 | checkRunningPid(void) | |
1734 | { | |
b81949b9 | 1735 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1736 | if (!IamMasterProcess()) |
b81949b9 AR |
1737 | return 0; |
1738 | ||
efd900cb | 1739 | pid_t pid; |
e0077312 | 1740 | |
1741 | if (!debug_log) | |
1742 | debug_log = stderr; | |
1743 | ||
efd900cb | 1744 | pid = readPidFile(); |
62e76326 | 1745 | |
efd900cb | 1746 | if (pid < 2) |
62e76326 | 1747 | return 0; |
1748 | ||
efd900cb | 1749 | if (kill(pid, 0) < 0) |
62e76326 | 1750 | return 0; |
1751 | ||
fa84c01d | 1752 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1753 | |
efd900cb | 1754 | return 1; |
1755 | } | |
1756 | ||
c92fcbad | 1757 | #if !_SQUID_WINDOWS_ |
f95b8144 | 1758 | static void |
dbf55289 | 1759 | masterCheckAndBroadcastSignals() |
f95b8144 | 1760 | { |
a6201b10 CT |
1761 | // if (do_reconfigure) |
1762 | // TODO: hot-reconfiguration of the number of kids and PID file location | |
1763 | ||
dbf55289 CT |
1764 | if (do_shutdown) |
1765 | shutting_down = 1; | |
62e76326 | 1766 | |
dbf55289 CT |
1767 | BroadcastSignalIfAny(DebugSignal); |
1768 | BroadcastSignalIfAny(RotateSignal); | |
1769 | BroadcastSignalIfAny(ReconfigureSignal); | |
1770 | BroadcastSignalIfAny(ShutdownSignal); | |
1771 | } | |
c92fcbad | 1772 | #endif |
62e76326 | 1773 | |
dbf55289 CT |
1774 | static inline bool |
1775 | masterSignaled() | |
1776 | { | |
1777 | return (DebugSignal > 0 || RotateSignal > 0 || ReconfigureSignal > 0 || ShutdownSignal > 0); | |
1778 | } | |
62e76326 | 1779 | |
dbf55289 CT |
1780 | static void |
1781 | watch_child(char *argv[]) | |
1782 | { | |
1783 | #if !_SQUID_WINDOWS_ | |
1784 | char *prog; | |
1785 | PidStatus status; | |
e3a3b845 | 1786 | pid_t pid; |
c99c5397 | 1787 | #ifdef TIOCNOTTY |
1788 | ||
54f742e7 | 1789 | int i; |
c99c5397 | 1790 | #endif |
1791 | ||
742724a4 | 1792 | int nullfd; |
62e76326 | 1793 | |
7dbca7a4 | 1794 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1795 | |
54f742e7 | 1796 | if ((pid = fork()) < 0) |
62e76326 | 1797 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1798 | else if (pid > 0) |
62e76326 | 1799 | exit(0); |
1800 | ||
54f742e7 | 1801 | if (setsid() < 0) |
62e76326 | 1802 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1803 | ||
efd900cb | 1804 | closelog(); |
62e76326 | 1805 | |
54f742e7 | 1806 | #ifdef TIOCNOTTY |
62e76326 | 1807 | |
c4aefe96 | 1808 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1809 | ioctl(i, TIOCNOTTY, NULL); |
1810 | close(i); | |
54f742e7 | 1811 | } |
62e76326 | 1812 | |
54f742e7 | 1813 | #endif |
b05490a8 | 1814 | |
7f6ffd15 | 1815 | /* |
1816 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1817 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1818 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1819 | */ | |
742724a4 | 1820 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1821 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1822 | |
e4a1325e | 1823 | if (nullfd < 0) |
4da086c4 | 1824 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1825 | |
742724a4 | 1826 | dup2(nullfd, 0); |
62e76326 | 1827 | |
62493678 | 1828 | if (Debug::log_stderr < 0) { |
62e76326 | 1829 | dup2(nullfd, 1); |
1830 | dup2(nullfd, 2); | |
742724a4 | 1831 | } |
62e76326 | 1832 | |
dbf55289 | 1833 | writePidFile(); |
8209c7e6 | 1834 | enter_suid(); // writePidFile() uses leave_suid() |
dbf55289 CT |
1835 | |
1836 | #if defined(_SQUID_LINUX_THREADS_) | |
1837 | squid_signal(SIGQUIT, rotate_logs, 0); | |
1838 | squid_signal(SIGTRAP, sigusr2_handle, 0); | |
1839 | #else | |
1840 | squid_signal(SIGUSR1, rotate_logs, 0); | |
1841 | squid_signal(SIGUSR2, sigusr2_handle, 0); | |
1842 | #endif | |
1843 | ||
1844 | squid_signal(SIGHUP, reconfigure, 0); | |
1845 | ||
1846 | squid_signal(SIGTERM, master_shutdown, 0); | |
1847 | squid_signal(SIGINT, master_shutdown, 0); | |
1848 | #ifdef SIGTTIN | |
1849 | squid_signal(SIGTTIN, master_shutdown, 0); | |
1850 | #endif | |
ca4b9ee6 | 1851 | |
13aeac35 AR |
1852 | if (Config.workers > 128) { |
1853 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1854 | Config.workers); |
007d775d | 1855 | // but we keep going in hope that user knows best |
5667a628 | 1856 | } |
095ec2b1 AR |
1857 | TheKids.init(); |
1858 | ||
a2515f86 | 1859 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1860 | |
1861 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1862 | for (;;) { |
dbf55289 | 1863 | bool mainStartScriptCalled = false; |
007d775d | 1864 | // start each kid that needs to be [re]started; once |
dbf55289 | 1865 | for (int i = TheKids.count() - 1; i >= 0 && !shutting_down; --i) { |
007d775d | 1866 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1867 | if (!kid.shouldRestart()) |
007d775d AR |
1868 | continue; |
1869 | ||
dbf55289 CT |
1870 | if (!mainStartScriptCalled) { |
1871 | mainStartScript(argv[0]); | |
1872 | mainStartScriptCalled = true; | |
1873 | } | |
1874 | ||
007d775d AR |
1875 | if ((pid = fork()) == 0) { |
1876 | /* child */ | |
1877 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1878 | prog = argv[0]; |
007d775d AR |
1879 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1880 | execvp(prog, argv); | |
1881 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1882 | } | |
1883 | ||
1884 | kid.start(pid); | |
095ec2b1 | 1885 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1886 | kid.name().termedBuf(), pid); |
62e76326 | 1887 | } |
1888 | ||
1889 | /* parent */ | |
7dbca7a4 | 1890 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1891 | |
dbf55289 CT |
1892 | // If Squid received a signal while checking for dying kids (below) or |
1893 | // starting new kids (above), then do a fast check for a new dying kid | |
1894 | // (WaitForAnyPid with the WNOHANG option) and continue to forward | |
1895 | // signals to kids. Otherwise, wait for a kid to die or for a signal | |
1896 | // to abort the blocking WaitForAnyPid() call. | |
1897 | // With the WNOHANG option, we could check whether WaitForAnyPid() was | |
5c634111 | 1898 | // aborted by a dying kid or a signal, but it is not required: The |
dbf55289 CT |
1899 | // next do/while loop will check again for any dying kids. |
1900 | int waitFlag = 0; | |
1901 | if (masterSignaled()) | |
1902 | waitFlag = WNOHANG; | |
1903 | pid = WaitForAnyPid(status, waitFlag); | |
1904 | ||
1905 | // check for a stopped kid | |
1906 | Kid* kid = pid > 0 ? TheKids.find(pid) : NULL; | |
1907 | if (kid) { | |
1908 | kid->stop(status); | |
1909 | if (kid->calledExit()) { | |
1910 | syslog(LOG_NOTICE, | |
1911 | "Squid Parent: %s process %d exited with status %d", | |
1912 | kid->name().termedBuf(), | |
1913 | kid->getPid(), kid->exitStatus()); | |
1914 | } else if (kid->signaled()) { | |
1915 | syslog(LOG_NOTICE, | |
1916 | "Squid Parent: %s process %d exited due to signal %d with status %d", | |
1917 | kid->name().termedBuf(), | |
1918 | kid->getPid(), kid->termSignal(), kid->exitStatus()); | |
007d775d | 1919 | } else { |
dbf55289 CT |
1920 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1921 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1922 | } |
dbf55289 CT |
1923 | if (kid->hopeless()) { |
1924 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" | |
1925 | " be restarted due to repeated, frequent failures", | |
1926 | kid->name().termedBuf(), kid->getPid()); | |
1927 | } | |
5c634111 | 1928 | } else if (pid > 0) { |
dbf55289 | 1929 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); |
5667a628 | 1930 | } |
62e76326 | 1931 | |
ca4b9ee6 | 1932 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1933 | leave_suid(); |
21b7990f AR |
1934 | // XXX: Master process has no main loop and, hence, should not call |
1935 | // RegisteredRunner::startShutdown which promises a loop iteration. | |
1936 | RunRegisteredHere(RegisteredRunner::finishShutdown); | |
520e0073 | 1937 | enter_suid(); |
c011f9bc | 1938 | |
dbf55289 | 1939 | removePidFile(); |
8209c7e6 | 1940 | enter_suid(); // removePidFile() uses leave_suid() |
ca4b9ee6 DK |
1941 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1942 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1943 | exit(1); | |
1944 | } | |
62e76326 | 1945 | |
ca4b9ee6 DK |
1946 | if (TheKids.allHopeless()) { |
1947 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1948 | exit(1); | |
1949 | } | |
62e76326 | 1950 | |
007d775d AR |
1951 | exit(0); |
1952 | } | |
06a0fbd3 | 1953 | |
dbf55289 | 1954 | masterCheckAndBroadcastSignals(); |
f95b8144 | 1955 | } |
62e76326 | 1956 | |
bbe199dc | 1957 | /* NOTREACHED */ |
7aa9bb3e | 1958 | #endif /* _SQUID_WINDOWS_ */ |
a572d8be | 1959 | |
f95b8144 | 1960 | } |
fff6ad65 | 1961 | |
9ec1a1dc | 1962 | static void |
8ff3fa2e | 1963 | SquidShutdown() |
fff6ad65 | 1964 | { |
d71e4674 AR |
1965 | /* XXX: This function is called after the main loop has quit, which |
1966 | * means that no AsyncCalls would be called, including close handlers. | |
1967 | * TODO: We need to close/shut/free everything that needs calls before | |
1968 | * exiting the loop. | |
26ac0430 | 1969 | */ |
d71e4674 | 1970 | |
6c1962dd | 1971 | #if USE_WIN32_SERVICE |
1972 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1973 | #endif | |
1974 | ||
e0236918 | 1975 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
4a3b98d7 | 1976 | Dns::Shutdown(); |
95d2589c CT |
1977 | #if USE_SSL_CRTD |
1978 | Ssl::Helper::GetInstance()->Shutdown(); | |
2cef0ca6 | 1979 | #endif |
cb4f4424 | 1980 | #if USE_OPENSSL |
f54e3d4c AR |
1981 | if (Ssl::CertValidationHelper::GetInstance()) |
1982 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c | 1983 | #endif |
95a83c22 | 1984 | redirectShutdown(); |
1985 | externalAclShutdown(); | |
65d448bc | 1986 | icpClosePorts(); |
d723bf6b | 1987 | #if USE_HTCP |
65d448bc | 1988 | htcpClosePorts(); |
d723bf6b | 1989 | #endif |
59ad6d31 | 1990 | #if SQUID_SNMP |
65d448bc | 1991 | snmpClosePorts(); |
320e9f36 | 1992 | #endif |
eb824054 | 1993 | #if USE_WCCP |
62e76326 | 1994 | |
320e9f36 | 1995 | wccpConnectionClose(); |
d723bf6b | 1996 | #endif |
0b0cfcf2 | 1997 | #if USE_WCCPv2 |
1998 | ||
1999 | wccp2ConnectionClose(); | |
2000 | #endif | |
62e76326 | 2001 | |
fff6ad65 | 2002 | releaseServerSockets(); |
d723bf6b | 2003 | commCloseAllSockets(); |
79039294 AR |
2004 | |
2005 | #if USE_SQUID_ESI | |
2006 | Esi::Clean(); | |
2007 | #endif | |
2008 | ||
9a0a18de | 2009 | #if USE_DELAY_POOLS |
b67e2c8c | 2010 | DelayPools::FreePools(); |
515ec4dc | 2011 | #endif |
2f1431ea | 2012 | #if USE_AUTH |
0bcb6908 | 2013 | authenticateReset(); |
2f1431ea | 2014 | #endif |
6c1962dd | 2015 | #if USE_WIN32_SERVICE |
2016 | ||
2017 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
2018 | #endif | |
62e76326 | 2019 | |
c8f4eac4 | 2020 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 2021 | |
f53969cc | 2022 | unlinkdClose(); /* after sync/flush. NOP if !USE_UNLINKD */ |
fc68f6b1 | 2023 | |
fff6ad65 | 2024 | storeDirWriteCleanLogs(0); |
2025 | PrintRusage(); | |
2026 | dumpMallocStats(); | |
f53969cc | 2027 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 2028 | storeLogClose(); |
2029 | accessLogClose(); | |
f53969cc | 2030 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 2031 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 2032 | DiskIOModule::FreeAllModules(); |
afec404b | 2033 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 2034 | |
fff6ad65 | 2035 | configFreeMemory(); |
2036 | storeFreeMemory(); | |
33ab18e8 | 2037 | /*stmemFreeMemory(); */ |
fff6ad65 | 2038 | netdbFreeMemory(); |
2039 | ipcacheFreeMemory(); | |
2040 | fqdncacheFreeMemory(); | |
2041 | asnFreeMemory(); | |
26a369ba | 2042 | clientdbFreeMemory(); |
d2db411c | 2043 | statFreeMemory(); |
f1fc2a8d | 2044 | eventFreeMemory(); |
c68e9c6b | 2045 | mimeFreeMemory(); |
2046 | errorClean(); | |
33ab18e8 | 2047 | #endif |
2745fea5 | 2048 | Store::FreeMemory(); |
57fc379e | 2049 | |
fff6ad65 | 2050 | fdDumpOpen(); |
62e76326 | 2051 | |
236d1779 | 2052 | comm_exit(); |
62e76326 | 2053 | |
21b7990f | 2054 | RunRegisteredHere(RegisteredRunner::finishShutdown); |
62e76326 | 2055 | |
553d498c AJ |
2056 | memClean(); |
2057 | ||
dbf55289 CT |
2058 | if (!InDaemonMode()) { |
2059 | removePidFile(); | |
ab50ee9e | 2060 | } |
62e76326 | 2061 | |
e0236918 | 2062 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 2063 | |
0cfa98cb | 2064 | /* |
2065 | * DPW 2006-10-23 | |
2066 | * We used to fclose(debug_log) here if it was set, but then | |
2067 | * we forgot to set it to NULL. That caused some coredumps | |
2068 | * because exit() ends up calling a bunch of destructors and | |
2069 | * such. So rather than forcing the debug_log to close, we'll | |
2070 | * leave it open so that those destructors can write some | |
2071 | * debugging if necessary. The file will be closed anyway when | |
2072 | * the process truly exits. | |
2073 | */ | |
62e76326 | 2074 | |
ae1feb30 | 2075 | exit(shutdown_status); |
fff6ad65 | 2076 | } |
bef81ea5 | 2077 |