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Commit | Line | Data |
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30a4f2a8 | 1 | /* |
ef57eb7b | 2 | * Copyright (C) 1996-2016 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" | |
5c112575 AJ |
15 | #include "auth/Config.h" |
16 | #include "auth/Gadgets.h" | |
ae578099 | 17 | #include "AuthReg.h" |
6d57128b | 18 | #include "base/RunnersRegistry.h" |
e0d28505 | 19 | #include "base/Subscription.h" |
3d93a84d | 20 | #include "base/TextException.h" |
fc54b8d2 | 21 | #include "cache_cf.h" |
3c670b50 | 22 | #include "CachePeer.h" |
fc54b8d2 FC |
23 | #include "carp.h" |
24 | #include "client_db.h" | |
25 | #include "client_side.h" | |
d841c88d | 26 | #include "comm.h" |
62ee09ca | 27 | #include "ConfigParser.h" |
96c2bb61 | 28 | #include "CpuAffinity.h" |
582c2af2 | 29 | #include "DiskIO/DiskIOModule.h" |
4a3b98d7 | 30 | #include "dns/forward.h" |
aa839030 | 31 | #include "errorpage.h" |
a553a5a3 | 32 | #include "event.h" |
33 | #include "EventLoop.h" | |
62ee09ca | 34 | #include "ExternalACL.h" |
fc54b8d2 | 35 | #include "fd.h" |
31971e6a | 36 | #include "format/Token.h" |
fc54b8d2 | 37 | #include "fqdncache.h" |
602d9612 | 38 | #include "fs/Module.h" |
b3f7fd88 | 39 | #include "fs_io.h" |
eb13c21e | 40 | #include "FwdState.h" |
af69c635 | 41 | #include "globals.h" |
582c2af2 | 42 | #include "htcp.h" |
d3dddfb5 | 43 | #include "http/Stream.h" |
fc54b8d2 | 44 | #include "HttpHeader.h" |
582c2af2 FC |
45 | #include "HttpReply.h" |
46 | #include "icmp/IcmpSquid.h" | |
47 | #include "icmp/net_db.h" | |
e6ccf245 | 48 | #include "ICP.h" |
4daaf3cb | 49 | #include "ident/Ident.h" |
602d9612 | 50 | #include "ip/tools.h" |
10cefb7b | 51 | #include "ipc/Coordinator.h" |
582c2af2 | 52 | #include "ipc/Kids.h" |
10cefb7b | 53 | #include "ipc/Strand.h" |
602d9612 | 54 | #include "ipcache.h" |
b65ce00c | 55 | #include "mime.h" |
fc54b8d2 | 56 | #include "neighbors.h" |
d5f21615 | 57 | #include "parser/Tokenizer.h" |
582c2af2 | 58 | #include "pconn.h" |
fc54b8d2 FC |
59 | #include "peer_sourcehash.h" |
60 | #include "peer_userhash.h" | |
602d9612 | 61 | #include "PeerSelectState.h" |
582c2af2 | 62 | #include "profiler/Profiler.h" |
c548327a | 63 | #include "redirect.h" |
fc54b8d2 | 64 | #include "refresh.h" |
d87f6b1d | 65 | #include "SBufStatsAction.h" |
bc94e5ca | 66 | #include "send-announce.h" |
4d5904f7 | 67 | #include "SquidConfig.h" |
985c86bc | 68 | #include "SquidTime.h" |
fc54b8d2 | 69 | #include "stat.h" |
e4f1fdae | 70 | #include "StatCounters.h" |
582c2af2 | 71 | #include "Store.h" |
2745fea5 | 72 | #include "store/Disks.h" |
602d9612 A |
73 | #include "store_log.h" |
74 | #include "StoreFileSystem.h" | |
602d9612 | 75 | #include "tools.h" |
b6b42084 | 76 | #include "unlinkd.h" |
fc54b8d2 FC |
77 | #include "URL.h" |
78 | #include "wccp.h" | |
79 | #include "wccp2.h" | |
cf3edd6f | 80 | #include "WinSvc.h" |
44a47c6e | 81 | |
582c2af2 FC |
82 | #if USE_ADAPTATION |
83 | #include "adaptation/Config.h" | |
84 | #endif | |
85 | #if USE_ECAP | |
86 | #include "adaptation/ecap/Config.h" | |
87 | #endif | |
88 | #if ICAP_CLIENT | |
89 | #include "adaptation/icap/Config.h" | |
90 | #include "adaptation/icap/icap_log.h" | |
91 | #endif | |
582c2af2 FC |
92 | #if USE_DELAY_POOLS |
93 | #include "ClientDelayConfig.h" | |
94 | #endif | |
95 | #if USE_DELAY_POOLS | |
96 | #include "DelayPools.h" | |
97 | #endif | |
57afc994 AR |
98 | #if USE_LOADABLE_MODULES |
99 | #include "LoadableModules.h" | |
100 | #endif | |
cb4f4424 | 101 | #if USE_OPENSSL |
95d2589c | 102 | #include "ssl/context_storage.h" |
602d9612 | 103 | #include "ssl/helper.h" |
95d2589c | 104 | #endif |
b958cb0f | 105 | #if ICAP_CLIENT |
26cc52cb | 106 | #include "adaptation/icap/Config.h" |
b958cb0f | 107 | #endif |
6e5db507 | 108 | #if USE_ECAP |
1f3c65fc | 109 | #include "adaptation/ecap/Config.h" |
6e5db507 | 110 | #endif |
b958cb0f AR |
111 | #if USE_ADAPTATION |
112 | #include "adaptation/Config.h" | |
113 | #endif | |
79039294 AR |
114 | #if USE_SQUID_ESI |
115 | #include "esi/Module.h" | |
116 | #endif | |
9c0a2256 FC |
117 | #if SQUID_SNMP |
118 | #include "snmp_core.h" | |
119 | #endif | |
7b5b7ba8 | 120 | |
1a30fdf5 | 121 | #include <cerrno> |
68dbbe5d AJ |
122 | #if HAVE_GETOPT_H |
123 | #include <getopt.h> | |
124 | #endif | |
25f98340 AJ |
125 | #if HAVE_PATHS_H |
126 | #include <paths.h> | |
127 | #endif | |
582c2af2 FC |
128 | #if HAVE_SYS_WAIT_H |
129 | #include <sys/wait.h> | |
130 | #endif | |
1a774556 | 131 | |
25f98340 | 132 | #if USE_WIN32_SERVICE |
1a774556 | 133 | #include <process.h> |
134 | ||
135 | static int opt_install_service = FALSE; | |
136 | static int opt_remove_service = FALSE; | |
1a774556 | 137 | static int opt_command_line = FALSE; |
82afb125 | 138 | void WIN32_svcstatusupdate(DWORD, DWORD); |
1a774556 | 139 | void WINAPI WIN32_svcHandler(DWORD); |
1a774556 | 140 | #endif |
141 | ||
cf2155f2 | 142 | static int opt_signal_service = FALSE; |
5e6d4736 | 143 | static char *opt_syslog_facility = NULL; |
f53969cc | 144 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 145 | static int configured_once = 0; |
30a4f2a8 | 146 | #if MALLOC_DBG |
4d64d74a | 147 | static int malloc_debug_level = 0; |
30a4f2a8 | 148 | #endif |
5cd39a10 | 149 | static volatile int do_reconfigure = 0; |
150 | static volatile int do_rotate = 0; | |
2681d383 | 151 | static volatile int do_shutdown = 0; |
ae1feb30 | 152 | static volatile int shutdown_status = 0; |
dbf55289 | 153 | static volatile int do_handle_stopped_child = 0; |
4d7add01 | 154 | |
a2c48c98 AR |
155 | static int RotateSignal = -1; |
156 | static int ReconfigureSignal = -1; | |
157 | static int ShutdownSignal = -1; | |
158 | ||
5cd39a10 | 159 | static void mainRotate(void); |
d71e4674 AR |
160 | static void mainReconfigureStart(void); |
161 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 162 | static void mainInitialize(void); |
f5b8bbc4 | 163 | static void usage(void); |
63be0a78 | 164 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 165 | static void sendSignal(void); |
166 | static void serverConnectionsOpen(void); | |
d71e4674 | 167 | static void serverConnectionsClose(void); |
bbe199dc | 168 | static void watch_child(char **); |
85407535 | 169 | static void setEffectiveUser(void); |
8ff3fa2e | 170 | static void SquidShutdown(void); |
b6a2f15e | 171 | static void mainSetCwd(void); |
efd900cb | 172 | static int checkRunningPid(void); |
85407535 | 173 | |
7aa9bb3e | 174 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 175 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 176 | #endif |
e18d7fdc | 177 | |
9bc73deb | 178 | #if TEST_ACCESS |
179 | #include "test_access.c" | |
180 | #endif | |
181 | ||
63be0a78 | 182 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 183 | |
184 | class StoreRootEngine : public AsyncEngine | |
185 | { | |
186 | ||
187 | public: | |
ced8def3 | 188 | int checkEvents(int) { |
8ff3fa2e | 189 | Store::Root().callback(); |
190 | return EVENT_IDLE; | |
191 | }; | |
192 | }; | |
193 | ||
9688b0ae | 194 | class SignalEngine: public AsyncEngine |
a553a5a3 | 195 | { |
196 | ||
197 | public: | |
dbf55289 CT |
198 | #if KILL_PARENT_OPT |
199 | SignalEngine(): parentKillNotified(false) { | |
200 | parentPid = getppid(); | |
201 | } | |
202 | #endif | |
203 | ||
9688b0ae | 204 | virtual int checkEvents(int timeout); |
a553a5a3 | 205 | |
206 | private: | |
0a720258 AR |
207 | static void StopEventLoop(void *) { |
208 | if (EventLoop::Running) | |
209 | EventLoop::Running->stop(); | |
a553a5a3 | 210 | } |
211 | ||
d442618d AJ |
212 | static void FinalShutdownRunners(void *) { |
213 | RunRegisteredHere(RegisteredRunner::endingShutdown); | |
214 | ||
215 | // XXX: this should be a Runner. | |
216 | #if USE_AUTH | |
217 | /* detach the auth components (only do this on full shutdown) */ | |
218 | Auth::Scheme::FreeAll(); | |
219 | #endif | |
220 | ||
221 | eventAdd("SquidTerminate", &StopEventLoop, NULL, 0, 1, false); | |
222 | } | |
223 | ||
9688b0ae | 224 | void doShutdown(time_t wait); |
dbf55289 CT |
225 | void handleStoppedChild(); |
226 | ||
227 | #if KILL_PARENT_OPT | |
228 | bool parentKillNotified; | |
229 | pid_t parentPid; | |
230 | #endif | |
a553a5a3 | 231 | }; |
232 | ||
9688b0ae | 233 | int |
ced8def3 | 234 | SignalEngine::checkEvents(int) |
a553a5a3 | 235 | { |
9688b0ae | 236 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 237 | |
39d48b4f AR |
238 | if (do_reconfigure) |
239 | mainReconfigureStart(); | |
240 | else if (do_rotate) | |
a553a5a3 | 241 | mainRotate(); |
39d48b4f | 242 | else if (do_shutdown) |
9688b0ae | 243 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
39d48b4f | 244 | if (do_handle_stopped_child) |
dbf55289 | 245 | handleStoppedChild(); |
9688b0ae | 246 | PROF_stop(SignalEngine_checkEvents); |
247 | return EVENT_IDLE; | |
248 | } | |
a553a5a3 | 249 | |
39d48b4f AR |
250 | /// Decides whether the signal-controlled action X should be delayed, canceled, |
251 | /// or executed immediately. Clears do_X (via signalVar) as needed. | |
252 | static bool | |
253 | AvoidSignalAction(const char *description, volatile int &signalVar) | |
254 | { | |
255 | const char *avoiding = "delaying"; | |
256 | const char *currentEvent = "none"; | |
257 | if (shutting_down) { | |
258 | currentEvent = "shutdown"; | |
259 | avoiding = "canceling"; | |
b4db757f AJ |
260 | // do not avoid repeated shutdown signals |
261 | // which just means the user wants to skip/abort shutdown timeouts | |
262 | if (strcmp(currentEvent, description) == 0) | |
263 | return false; | |
39d48b4f AR |
264 | signalVar = 0; |
265 | } | |
266 | else if (!configured_once) | |
267 | currentEvent = "startup"; | |
268 | else if (reconfiguring) | |
269 | currentEvent = "reconfiguration"; | |
270 | else { | |
271 | signalVar = 0; | |
272 | return false; // do not avoid (i.e., execute immediately) | |
273 | // the caller may produce a signal-specific debugging message | |
274 | } | |
275 | ||
276 | debugs(1, DBG_IMPORTANT, avoiding << ' ' << description << | |
277 | " request during " << currentEvent); | |
278 | return true; | |
279 | } | |
280 | ||
9688b0ae | 281 | void |
282 | SignalEngine::doShutdown(time_t wait) | |
283 | { | |
39d48b4f AR |
284 | if (AvoidSignalAction("shutdown", do_shutdown)) |
285 | return; | |
286 | ||
e0236918 FC |
287 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
288 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 289 | |
dbf55289 CT |
290 | #if KILL_PARENT_OPT |
291 | if (!IamMasterProcess() && !parentKillNotified && ShutdownSignal > 0 && parentPid > 1) { | |
292 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << parentPid); | |
b69e9ffa AJ |
293 | if (kill(parentPid, ShutdownSignal) < 0) { |
294 | int xerrno = errno; | |
295 | debugs(1, DBG_IMPORTANT, "kill " << parentPid << ": " << xstrerr(xerrno)); | |
296 | } | |
dbf55289 CT |
297 | parentKillNotified = true; |
298 | } | |
299 | #endif | |
9688b0ae | 300 | |
dbf55289 CT |
301 | if (shutting_down) { |
302 | #if !KILL_PARENT_OPT | |
303 | // Already a shutdown signal has received and shutdown is in progress. | |
304 | // Shutdown as soon as possible. | |
305 | wait = 0; | |
9688b0ae | 306 | #endif |
5c634111 | 307 | } else { |
dbf55289 | 308 | shutting_down = 1; |
9688b0ae | 309 | |
dbf55289 CT |
310 | /* run the closure code which can be shared with reconfigure */ |
311 | serverConnectionsClose(); | |
dbf55289 CT |
312 | |
313 | RunRegisteredHere(RegisteredRunner::startShutdown); | |
314 | } | |
315 | ||
316 | #if USE_WIN32_SERVICE | |
5c634111 | 317 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); |
2f1431ea | 318 | #endif |
21b7990f | 319 | |
d442618d | 320 | eventAdd("SquidShutdown", &FinalShutdownRunners, this, (double) (wait + 1), 1, false); |
a553a5a3 | 321 | } |
322 | ||
dbf55289 CT |
323 | void |
324 | SignalEngine::handleStoppedChild() | |
325 | { | |
39d48b4f AR |
326 | // no AvoidSignalAction() call: This code can run at any time because it |
327 | // does not depend on Squid state. It does not need debugging because it | |
328 | // handles an "internal" signal, not an external/admin command. | |
329 | do_handle_stopped_child = 0; | |
dbf55289 CT |
330 | #if !_SQUID_WINDOWS_ |
331 | PidStatus status; | |
332 | pid_t pid; | |
333 | ||
334 | do { | |
335 | pid = WaitForAnyPid(status, WNOHANG); | |
336 | ||
337 | #if HAVE_SIGACTION | |
338 | ||
339 | } while (pid > 0); | |
340 | ||
341 | #else | |
342 | ||
5c634111 SM |
343 | } |
344 | while (pid > 0 || (pid < 0 && errno == EINTR)); | |
dbf55289 CT |
345 | #endif |
346 | #endif | |
347 | } | |
348 | ||
b8d8561b | 349 | static void |
0673c0ba | 350 | usage(void) |
ccff9601 | 351 | { |
0ee4272b | 352 | fprintf(stderr, |
68dbbe5d | 353 | "Usage: %s [-cdzCFNRVYX] [-n name] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]" |
0e657244 | 354 | #if USE_WIN32_SERVICE |
cf2155f2 | 355 | "[-ir] [-O CommandLine]" |
0e657244 | 356 | #endif |
68dbbe5d AJ |
357 | "\n" |
358 | " -h | --help Print help message.\n" | |
359 | " -v | --version Print version details.\n" | |
cf2155f2 | 360 | "\n" |
62e76326 | 361 | " -a port Specify HTTP port number (default: %d).\n" |
362 | " -d level Write debugging to stderr also.\n" | |
363 | " -f file Use given config-file instead of\n" | |
364 | " %s\n" | |
0e657244 | 365 | #if USE_WIN32_SERVICE |
366 | " -i Installs as a Windows Service (see -n option).\n" | |
367 | #endif | |
98fcbb0e AJ |
368 | " -k reconfigure|rotate|shutdown|" |
369 | #ifdef SIGTTIN | |
370 | "restart|" | |
371 | #endif | |
372 | "interrupt|kill|debug|check|parse\n" | |
62e76326 | 373 | " Parse configuration file, then send signal to \n" |
374 | " running copy (except -k parse) and exit.\n" | |
cf2155f2 AJ |
375 | " -n name Specify service name to use for service operations\n" |
376 | " default is: " APP_SHORTNAME ".\n" | |
0e657244 | 377 | #if USE_WIN32_SERVICE |
0e657244 | 378 | " -r Removes a Windows Service (see -n option).\n" |
379 | #endif | |
5e6d4736 | 380 | " -s | -l facility\n" |
381 | " Enable logging to syslog.\n" | |
62e76326 | 382 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
04632397 | 383 | " -z Create missing swap directories and then exit.\n" |
62e76326 | 384 | " -C Do not catch fatal signals.\n" |
8eb28163 | 385 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 386 | " -F Don't serve any requests until store is rebuilt.\n" |
387 | " -N No daemon mode.\n" | |
effda67e MM |
388 | " --foreground\n" |
389 | " Parent process does not exit until its children have finished.\n" | |
0e657244 | 390 | #if USE_WIN32_SERVICE |
391 | " -O options\n" | |
392 | " Set Windows Service Command line options in Registry.\n" | |
393 | #endif | |
62e76326 | 394 | " -R Do not set REUSEADDR on port.\n" |
395 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 396 | " -X Force full debugging.\n" |
397 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 398 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 399 | exit(1); |
ccff9601 | 400 | } |
401 | ||
63be0a78 | 402 | /** |
403 | * Parse the parameters received via command line interface. | |
404 | * | |
68dbbe5d AJ |
405 | * \param argc Number of options received on command line |
406 | * \param argv List of parameters received on command line | |
63be0a78 | 407 | */ |
b8d8561b | 408 | static void |
409 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 410 | { |
68dbbe5d | 411 | int optIndex = 0; |
090089c4 | 412 | |
68dbbe5d AJ |
413 | // short options |
414 | const char *shortOpStr = | |
0e657244 | 415 | #if USE_WIN32_SERVICE |
f53969cc | 416 | "O:Vir" |
0e657244 | 417 | #endif |
f53969cc | 418 | "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?"; |
68dbbe5d AJ |
419 | |
420 | // long options | |
421 | static struct option squidOptions[] = { | |
effda67e MM |
422 | {"foreground", no_argument, 0, 1 }, |
423 | {"help", no_argument, 0, 'h'}, | |
424 | {"version", no_argument, 0, 'v'}, | |
68dbbe5d AJ |
425 | {0, 0, 0, 0} |
426 | }; | |
427 | ||
428 | int c; | |
429 | while ((c = getopt_long(argc, argv, shortOpStr, squidOptions, &optIndex)) != -1) { | |
9b7292ce | 430 | |
26ac0430 | 431 | switch (c) { |
62e76326 | 432 | |
433 | case 'C': | |
63be0a78 | 434 | /** \par C |
435 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 436 | opt_catch_signals = 0; |
437 | break; | |
438 | ||
439 | case 'D': | |
63be0a78 | 440 | /** \par D |
8eb28163 AJ |
441 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
442 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 443 | break; |
444 | ||
445 | case 'F': | |
63be0a78 | 446 | /** \par F |
447 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 448 | opt_foreground_rebuild = 1; |
449 | break; | |
450 | ||
451 | case 'N': | |
63be0a78 | 452 | /** \par N |
453 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 454 | opt_no_daemon = 1; |
455 | break; | |
63be0a78 | 456 | |
0e657244 | 457 | #if USE_WIN32_SERVICE |
458 | ||
459 | case 'O': | |
63be0a78 | 460 | /** \par O |
461 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 462 | opt_command_line = 1; |
463 | WIN32_Command_Line = xstrdup(optarg); | |
464 | break; | |
465 | #endif | |
62e76326 | 466 | |
467 | case 'R': | |
63be0a78 | 468 | /** \par R |
469 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 470 | opt_reuseaddr = 0; |
471 | break; | |
472 | ||
473 | case 'S': | |
63be0a78 | 474 | /** \par S |
475 | * Set global option opt_store_doublecheck */ | |
62e76326 | 476 | opt_store_doublecheck = 1; |
477 | break; | |
478 | ||
62e76326 | 479 | case 'X': |
63be0a78 | 480 | /** \par X |
481 | * Force full debugging */ | |
62493678 AJ |
482 | Debug::parseOptions("rotate=0 ALL,9"); |
483 | Debug::override_X = 1; | |
62e76326 | 484 | sigusr2_handle(SIGUSR2); |
62e76326 | 485 | break; |
486 | ||
487 | case 'Y': | |
63be0a78 | 488 | /** \par Y |
489 | * Set global option opt_reload_hit_only */ | |
62e76326 | 490 | opt_reload_hit_only = 1; |
62e76326 | 491 | break; |
492 | ||
0e657244 | 493 | #if USE_WIN32_SERVICE |
494 | ||
495 | case 'i': | |
63be0a78 | 496 | /** \par i |
497 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 498 | opt_install_service = TRUE; |
0e657244 | 499 | break; |
0e657244 | 500 | #endif |
501 | ||
62e76326 | 502 | case 'a': |
63be0a78 | 503 | /** \par a |
504 | * Add optional HTTP port as given following the option */ | |
62e76326 | 505 | add_http_port(optarg); |
62e76326 | 506 | break; |
507 | ||
508 | case 'd': | |
63be0a78 | 509 | /** \par d |
68dbbe5d | 510 | * Set global option Debug::log_stderr to the number given following the option */ |
62493678 | 511 | Debug::log_stderr = atoi(optarg); |
62e76326 | 512 | break; |
513 | ||
514 | case 'f': | |
63be0a78 | 515 | /** \par f |
516 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 517 | xfree(ConfigFile); |
62e76326 | 518 | ConfigFile = xstrdup(optarg); |
62e76326 | 519 | break; |
520 | ||
521 | case 'k': | |
63be0a78 | 522 | /** \par k |
523 | * Run the administrative action given following the option */ | |
fc68f6b1 | 524 | |
63be0a78 | 525 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 526 | if ((int) strlen(optarg) < 1) |
527 | usage(); | |
528 | ||
529 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 530 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 531 | opt_send_signal = SIGHUP; |
532 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 533 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 534 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 535 | opt_send_signal = SIGQUIT; |
e3175d1f | 536 | #else |
62e76326 | 537 | opt_send_signal = SIGUSR1; |
e3175d1f | 538 | #endif |
62e76326 | 539 | |
540 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 541 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 542 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 543 | opt_send_signal = SIGTRAP; |
e3175d1f | 544 | #else |
62e76326 | 545 | opt_send_signal = SIGUSR2; |
62e76326 | 546 | #endif |
547 | ||
548 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 549 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 550 | opt_send_signal = SIGTERM; |
551 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 552 | /** \li On interrupt send SIGINT. */ |
62e76326 | 553 | opt_send_signal = SIGINT; |
554 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 555 | /** \li On kill send SIGKILL. */ |
62e76326 | 556 | opt_send_signal = SIGKILL; |
ae1feb30 | 557 | |
558 | #ifdef SIGTTIN | |
559 | ||
560 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 561 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
562 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 563 | |
564 | #endif | |
565 | ||
62e76326 | 566 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 567 | /** \li On check send 0 / SIGNULL. */ |
f53969cc | 568 | opt_send_signal = 0; /* SIGNULL */ |
62e76326 | 569 | else if (!strncmp(optarg, "parse", strlen(optarg))) |
63be0a78 | 570 | /** \li On parse set global flag to re-parse the config file only. */ |
571 | opt_parse_cfg_only = 1; | |
62e76326 | 572 | else |
573 | usage(); | |
574 | ||
575 | break; | |
576 | ||
577 | case 'm': | |
63be0a78 | 578 | /** \par m |
579 | * Set global malloc_debug_level to the value given following the option. | |
580 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 581 | if (optarg) { |
30a4f2a8 | 582 | #if MALLOC_DBG |
fc68f6b1 | 583 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 584 | #else |
fc68f6b1 | 585 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 586 | #endif |
62e76326 | 587 | |
e2849af8 | 588 | } |
d9e7ee1f | 589 | break; |
d9e7ee1f | 590 | |
0e657244 | 591 | case 'n': |
63be0a78 | 592 | /** \par n |
cf2155f2 AJ |
593 | * Set global option opt_signal_service (to true). |
594 | * Stores the additional parameter given in global service_name */ | |
eeae1733 | 595 | if (optarg && *optarg != '\0') { |
d5f21615 AJ |
596 | const SBuf t(optarg); |
597 | ::Parser::Tokenizer tok(t); | |
598 | const CharacterSet chr = CharacterSet::ALPHA+CharacterSet::DIGIT; | |
8cb327e9 AR |
599 | if (!tok.prefix(service_name, chr)) |
600 | fatalf("Expected alphanumeric service name for the -n option but got: %s", optarg); | |
601 | if (!tok.atEnd()) | |
602 | fatalf("Garbage after alphanumeric service name in the -n option value: %s", optarg); | |
d5f21615 AJ |
603 | if (service_name.length() > 32) |
604 | fatalf("Service name (-n option) must be limited to 32 characters but got %u", service_name.length()); | |
605 | opt_signal_service = true; | |
606 | } else { | |
607 | fatal("A service name is required for the -n option"); | |
608 | } | |
0e657244 | 609 | break; |
610 | ||
cf2155f2 AJ |
611 | #if USE_WIN32_SERVICE |
612 | ||
0e657244 | 613 | case 'r': |
63be0a78 | 614 | /** \par r |
615 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 616 | opt_remove_service = TRUE; |
617 | ||
618 | break; | |
619 | ||
620 | #endif | |
621 | ||
5e6d4736 | 622 | case 'l': |
63be0a78 | 623 | /** \par l |
624 | * Stores the syslog facility name in global opt_syslog_facility | |
625 | * then performs actions for -s option. */ | |
5c6dae44 | 626 | xfree(opt_syslog_facility); // ignore any previous options sent |
5e6d4736 | 627 | opt_syslog_facility = xstrdup(optarg); |
628 | ||
62e76326 | 629 | case 's': |
63be0a78 | 630 | /** \par s |
631 | * Initialize the syslog for output */ | |
c307aec3 | 632 | #if HAVE_SYSLOG |
62e76326 | 633 | |
5e6d4736 | 634 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 635 | |
62e76326 | 636 | break; |
0e657244 | 637 | |
c307aec3 | 638 | #else |
62e76326 | 639 | |
640 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 641 | |
62e76326 | 642 | /* NOTREACHED */ |
643 | #endif | |
644 | ||
645 | case 'u': | |
63be0a78 | 646 | /** \par u |
647 | * Store the ICP port number given in global option icpPortNumOverride | |
648 | * ensuring its a positive number. */ | |
62e76326 | 649 | icpPortNumOverride = atoi(optarg); |
650 | ||
651 | if (icpPortNumOverride < 0) | |
652 | icpPortNumOverride = 0; | |
653 | ||
654 | break; | |
655 | ||
656 | case 'v': | |
63be0a78 | 657 | /** \par v |
658 | * Display squid version and build information. Then exit. */ | |
4fe75473 | 659 | printf("Squid Cache: Version %s\n" ,version_string); |
d5f21615 | 660 | printf("Service Name: " SQUIDSBUFPH "\n", SQUIDSBUFPRINT(service_name)); |
4fe75473 FC |
661 | if (strlen(SQUID_BUILD_INFO)) |
662 | printf("%s\n",SQUID_BUILD_INFO); | |
663 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 664 | |
1a774556 | 665 | #if USE_WIN32_SERVICE |
666 | ||
667 | printf("Compiled as Windows System Service.\n"); | |
668 | ||
669 | #endif | |
670 | ||
62e76326 | 671 | exit(0); |
672 | ||
f53969cc | 673 | /* NOTREACHED */ |
62e76326 | 674 | |
675 | case 'z': | |
63be0a78 | 676 | /** \par z |
62493678 AJ |
677 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
678 | Debug::log_stderr = 1; | |
62e76326 | 679 | opt_create_swap_dirs = 1; |
62e76326 | 680 | break; |
681 | ||
effda67e MM |
682 | case 1: |
683 | /** \par --foreground | |
684 | * Set global option opt_foreground */ | |
685 | opt_foreground = 1; | |
686 | break; | |
687 | ||
63be0a78 | 688 | case 'h': |
689 | ||
62e76326 | 690 | case '?': |
691 | ||
692 | default: | |
63be0a78 | 693 | /** \par h,?, or unknown |
694 | * \copydoc usage() */ | |
62e76326 | 695 | usage(); |
696 | ||
697 | break; | |
698 | } | |
9b7292ce | 699 | |
090089c4 | 700 | } |
4d64d74a | 701 | } |
090089c4 | 702 | |
7a2f978b | 703 | /* ARGSUSED */ |
b293c4d8 | 704 | void |
9b7292ce | 705 | rotate_logs(int sig) |
706 | { | |
5cd39a10 | 707 | do_rotate = 1; |
a2c48c98 | 708 | RotateSignal = sig; |
7aa9bb3e | 709 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 710 | #if !HAVE_SIGACTION |
62e76326 | 711 | |
30a4f2a8 | 712 | signal(sig, rotate_logs); |
713 | #endif | |
a50bfe93 | 714 | #endif |
30a4f2a8 | 715 | } |
716 | ||
7a2f978b | 717 | /* ARGSUSED */ |
b293c4d8 | 718 | void |
9b7292ce | 719 | reconfigure(int sig) |
720 | { | |
5cd39a10 | 721 | do_reconfigure = 1; |
a2c48c98 | 722 | ReconfigureSignal = sig; |
7aa9bb3e | 723 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 724 | #if !HAVE_SIGACTION |
62e76326 | 725 | |
30a4f2a8 | 726 | signal(sig, reconfigure); |
727 | #endif | |
a50bfe93 | 728 | #endif |
30a4f2a8 | 729 | } |
730 | ||
dbf55289 CT |
731 | /// Shutdown signal handler for master process |
732 | void | |
733 | master_shutdown(int sig) | |
734 | { | |
735 | do_shutdown = 1; | |
736 | ShutdownSignal = sig; | |
737 | ||
738 | #if !_SQUID_WINDOWS_ | |
739 | #if !HAVE_SIGACTION | |
740 | signal(sig, master_shutdown); | |
741 | #endif | |
742 | #endif | |
743 | ||
744 | } | |
745 | ||
b8d8561b | 746 | void |
9b7292ce | 747 | shut_down(int sig) |
748 | { | |
2681d383 | 749 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 750 | ShutdownSignal = sig; |
d75df34a | 751 | #if defined(SIGTTIN) |
ae1feb30 | 752 | if (SIGTTIN == sig) |
753 | shutdown_status = 1; | |
ae1feb30 | 754 | #endif |
ca4b9ee6 | 755 | |
d75df34a | 756 | #if !_SQUID_WINDOWS_ |
dbf55289 CT |
757 | #if !HAVE_SIGACTION |
758 | signal(sig, shut_down); | |
759 | #endif | |
760 | #endif | |
761 | } | |
62e76326 | 762 | |
dbf55289 CT |
763 | void |
764 | sig_child(int sig) | |
765 | { | |
766 | do_handle_stopped_child = 1; | |
62e76326 | 767 | |
dbf55289 CT |
768 | #if !_SQUID_WINDOWS_ |
769 | #if !HAVE_SIGACTION | |
770 | signal(sig, sig_child); | |
a50bfe93 | 771 | #endif |
6e40f263 | 772 | #endif |
30a4f2a8 | 773 | } |
774 | ||
24382924 | 775 | static void |
9b7292ce | 776 | serverConnectionsOpen(void) |
777 | { | |
7de94c8c AR |
778 | if (IamPrimaryProcess()) { |
779 | #if USE_WCCP | |
5667a628 | 780 | wccpConnectionOpen(); |
7de94c8c | 781 | #endif |
45aae82b | 782 | |
7de94c8c AR |
783 | #if USE_WCCPv2 |
784 | ||
5667a628 | 785 | wccp2ConnectionOpen(); |
7de94c8c AR |
786 | #endif |
787 | } | |
095ec2b1 AR |
788 | // start various proxying services if we are responsible for them |
789 | if (IamWorkerProcess()) { | |
5667a628 | 790 | clientOpenListenSockets(); |
65d448bc | 791 | icpOpenPorts(); |
ace287ee | 792 | #if USE_HTCP |
65d448bc | 793 | htcpOpenPorts(); |
ace287ee | 794 | #endif |
a67d2b2e | 795 | #if SQUID_SNMP |
65d448bc | 796 | snmpOpenPorts(); |
320e9f36 | 797 | #endif |
0b0cfcf2 | 798 | |
5667a628 AR |
799 | icmpEngine.Open(); |
800 | netdbInit(); | |
801 | asnInit(); | |
802 | ACL::Initialize(); | |
803 | peerSelectInit(); | |
804 | ||
805 | carpInit(); | |
2f1431ea | 806 | #if USE_AUTH |
5667a628 | 807 | peerUserHashInit(); |
2f1431ea | 808 | #endif |
5667a628 | 809 | peerSourceHashInit(); |
7de94c8c | 810 | } |
5f3f8d0e | 811 | } |
812 | ||
d71e4674 | 813 | static void |
9b7292ce | 814 | serverConnectionsClose(void) |
815 | { | |
0a5a8601 | 816 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
817 | |
818 | if (IamPrimaryProcess()) { | |
819 | #if USE_WCCP | |
820 | ||
5667a628 | 821 | wccpConnectionClose(); |
7de94c8c AR |
822 | #endif |
823 | #if USE_WCCPv2 | |
824 | ||
5667a628 | 825 | wccp2ConnectionClose(); |
7de94c8c AR |
826 | #endif |
827 | } | |
095ec2b1 | 828 | if (IamWorkerProcess()) { |
434a79b0 | 829 | clientConnectionsClose(); |
5667a628 | 830 | icpConnectionShutdown(); |
72549e05 | 831 | #if USE_HTCP |
5667a628 | 832 | htcpSocketShutdown(); |
72549e05 | 833 | #endif |
62e76326 | 834 | |
5667a628 | 835 | icmpEngine.Close(); |
a67d2b2e | 836 | #if SQUID_SNMP |
65d448bc | 837 | snmpClosePorts(); |
320e9f36 | 838 | #endif |
62e76326 | 839 | |
5667a628 | 840 | asnFreeMemory(); |
7de94c8c | 841 | } |
5f3f8d0e | 842 | } |
843 | ||
b8d8561b | 844 | static void |
d71e4674 | 845 | mainReconfigureStart(void) |
9b7292ce | 846 | { |
39d48b4f AR |
847 | if (AvoidSignalAction("reconfiguration", do_reconfigure)) |
848 | return; | |
849 | ||
e0236918 | 850 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 851 | reconfiguring = 1; |
d71e4674 | 852 | |
ee58de20 AJ |
853 | RunRegisteredHere(RegisteredRunner::startReconfigure); |
854 | ||
d71e4674 | 855 | // Initiate asynchronous closing sequence |
15df8349 | 856 | serverConnectionsClose(); |
65d448bc | 857 | icpClosePorts(); |
72549e05 | 858 | #if USE_HTCP |
65d448bc | 859 | htcpClosePorts(); |
72549e05 | 860 | #endif |
95d2589c CT |
861 | #if USE_SSL_CRTD |
862 | Ssl::Helper::GetInstance()->Shutdown(); | |
863 | #endif | |
cb4f4424 | 864 | #if USE_OPENSSL |
f54e3d4c AR |
865 | if (Ssl::CertValidationHelper::GetInstance()) |
866 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c CT |
867 | Ssl::TheGlobalContextStorage.reconfigureStart(); |
868 | #endif | |
74addf6c | 869 | redirectShutdown(); |
2f1431ea | 870 | #if USE_AUTH |
0bcb6908 | 871 | authenticateReset(); |
2f1431ea | 872 | #endif |
d9572179 | 873 | externalAclShutdown(); |
2db68ce5 | 874 | storeDirCloseSwapLogs(); |
2e923080 | 875 | storeLogClose(); |
876 | accessLogClose(); | |
3ff65596 AR |
877 | #if ICAP_CLIENT |
878 | icapLogClose(); | |
879 | #endif | |
d71e4674 AR |
880 | |
881 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 882 | false); |
d71e4674 AR |
883 | } |
884 | ||
885 | static void | |
26ac0430 AJ |
886 | mainReconfigureFinish(void *) |
887 | { | |
d71e4674 AR |
888 | debugs(1, 3, "finishing reconfiguring"); |
889 | ||
c68e9c6b | 890 | errorClean(); |
f53969cc | 891 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
892 | |
893 | // we may have disabled the need for PURGE | |
e1381638 | 894 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
895 | Config2.onoff.enable_purge = 2; |
896 | ||
18631119 | 897 | // parse the config returns a count of errors encountered. |
13aeac35 | 898 | const int oldWorkers = Config.workers; |
8951901e AJ |
899 | try { |
900 | if (parseConfigFile(ConfigFile) != 0) { | |
901 | // for now any errors are a fatal condition... | |
902 | self_destruct(); | |
903 | } | |
904 | } catch (...) { | |
18631119 | 905 | // for now any errors are a fatal condition... |
8951901e AJ |
906 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file. " << |
907 | " Run squid -k parse and check for errors."); | |
18631119 AJ |
908 | self_destruct(); |
909 | } | |
8951901e | 910 | |
13aeac35 AR |
911 | if (oldWorkers != Config.workers) { |
912 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 | 913 | oldWorkers << " to " << Config.workers << |
0b68976e | 914 | ") requires a full restart. It has been ignored by reconfigure."); |
13aeac35 | 915 | Config.workers = oldWorkers; |
a2c48c98 | 916 | } |
936b23cd | 917 | |
21b7990f AR |
918 | RunRegisteredHere(RegisteredRunner::syncConfig); |
919 | ||
96c2bb61 AR |
920 | if (IamPrimaryProcess()) |
921 | CpuAffinityCheck(); | |
922 | CpuAffinityReconfigure(); | |
923 | ||
c642c141 | 924 | setUmask(Config.umask); |
97244680 | 925 | Mem::Report(); |
3aa4adbc | 926 | setEffectiveUser(); |
62493678 | 927 | _db_init(Debug::cache_log, Debug::debugOptions); |
f53969cc SM |
928 | ipcache_restart(); /* clear stuck entries */ |
929 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 930 | parseEtcHosts(); |
f53969cc | 931 | errorInitialize(); /* reload error pages */ |
2e923080 | 932 | accessLogInit(); |
76fc7e57 AJ |
933 | |
934 | #if USE_LOADABLE_MODULES | |
935 | LoadableModulesConfigure(Config.loadable_module_names); | |
936 | #endif | |
937 | ||
938 | #if USE_ADAPTATION | |
939 | bool enableAdaptation = false; | |
940 | #if ICAP_CLIENT | |
941 | Adaptation::Icap::TheConfig.finalize(); | |
942 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
943 | #endif | |
944 | #if USE_ECAP | |
945 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
946 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
947 | #endif | |
948 | Adaptation::Config::Finalize(enableAdaptation); | |
949 | #endif | |
d090e020 | 950 | |
3ff65596 AR |
951 | #if ICAP_CLIENT |
952 | icapLogOpen(); | |
953 | #endif | |
2e923080 | 954 | storeLogOpen(); |
4a3b98d7 | 955 | Dns::Init(); |
95d2589c CT |
956 | #if USE_SSL_CRTD |
957 | Ssl::Helper::GetInstance()->Init(); | |
958 | #endif | |
cb4f4424 | 959 | #if USE_OPENSSL |
2cef0ca6 AR |
960 | if (Ssl::CertValidationHelper::GetInstance()) |
961 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
962 | #endif | |
62e76326 | 963 | |
74addf6c | 964 | redirectInit(); |
2f1431ea | 965 | #if USE_AUTH |
5c112575 | 966 | authenticateInit(&Auth::TheConfig.schemes); |
2f1431ea | 967 | #endif |
d9572179 | 968 | externalAclInit(); |
7de94c8c AR |
969 | |
970 | if (IamPrimaryProcess()) { | |
1f38f50a | 971 | #if USE_WCCP |
62e76326 | 972 | |
5667a628 | 973 | wccpInit(); |
1f38f50a | 974 | #endif |
0b0cfcf2 | 975 | #if USE_WCCPv2 |
976 | ||
5667a628 | 977 | wccp2Init(); |
0b0cfcf2 | 978 | #endif |
7de94c8c | 979 | } |
62e76326 | 980 | |
0ffd22bc | 981 | serverConnectionsOpen(); |
9c2e9b50 | 982 | |
3ee2b4f8 | 983 | neighbors_init(); |
9c2e9b50 | 984 | |
2db68ce5 | 985 | storeDirOpenSwapLogs(); |
9c2e9b50 | 986 | |
9c021a38 | 987 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 988 | |
c521ad17 DK |
989 | if (unlinkdNeeded()) |
990 | unlinkdInit(); | |
c521ad17 | 991 | |
9a0a18de | 992 | #if USE_DELAY_POOLS |
b4cd430a CT |
993 | Config.ClientDelay.finalize(); |
994 | #endif | |
995 | ||
926375e6 | 996 | if (Config.onoff.announce) { |
997 | if (!eventFind(start_announce, NULL)) | |
998 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
999 | } else { | |
1000 | if (eventFind(start_announce, NULL)) | |
1001 | eventDelete(start_announce, NULL); | |
1002 | } | |
1003 | ||
dbf55289 | 1004 | if (!InDaemonMode()) |
5c634111 | 1005 | writePidFile(); /* write PID file */ |
9c2e9b50 | 1006 | |
5cd39a10 | 1007 | reconfiguring = 0; |
1008 | } | |
1009 | ||
1010 | static void | |
9b7292ce | 1011 | mainRotate(void) |
1012 | { | |
39d48b4f AR |
1013 | if (AvoidSignalAction("log rotation", do_rotate)) |
1014 | return; | |
1015 | ||
cc192b50 | 1016 | icmpEngine.Close(); |
e40aa8da | 1017 | redirectShutdown(); |
2f1431ea | 1018 | #if USE_AUTH |
0bcb6908 | 1019 | authenticateRotate(); |
2f1431ea | 1020 | #endif |
d9572179 | 1021 | externalAclShutdown(); |
0a6dd8fb | 1022 | |
f53969cc | 1023 | _db_rotate_log(); /* cache.log */ |
5cd39a10 | 1024 | storeDirWriteCleanLogs(1); |
f53969cc SM |
1025 | storeLogRotate(); /* store.log */ |
1026 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
1027 | #if ICAP_CLIENT |
1028 | icapLogRotate(); /*icap.log*/ | |
1029 | #endif | |
cc192b50 | 1030 | icmpEngine.Open(); |
e40aa8da | 1031 | redirectInit(); |
2f1431ea | 1032 | #if USE_AUTH |
5c112575 | 1033 | authenticateInit(&Auth::TheConfig.schemes); |
2f1431ea | 1034 | #endif |
d9572179 | 1035 | externalAclInit(); |
5f3f8d0e | 1036 | } |
1037 | ||
067bea91 | 1038 | static void |
9b7292ce | 1039 | setEffectiveUser(void) |
1040 | { | |
fc68f6b1 | 1041 | keepCapabilities(); |
f53969cc | 1042 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 1043 | #if _SQUID_OS2_ |
62e76326 | 1044 | |
cd377065 | 1045 | return; |
1046 | #endif | |
62e76326 | 1047 | |
85407535 | 1048 | if (geteuid() == 0) { |
fa84c01d FC |
1049 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
1050 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
1051 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
1052 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 1053 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 1054 | } |
1055 | } | |
1056 | ||
dd0cbc64 AR |
1057 | /// changes working directory, providing error reporting |
1058 | static bool | |
1059 | mainChangeDir(const char *dir) | |
1060 | { | |
1061 | if (chdir(dir) == 0) | |
1062 | return true; | |
1063 | ||
b69e9ffa AJ |
1064 | int xerrno = errno; |
1065 | debugs(50, DBG_CRITICAL, "ERROR: cannot change current directory to " << dir << | |
1066 | ": " << xstrerr(xerrno)); | |
dd0cbc64 AR |
1067 | return false; |
1068 | } | |
1069 | ||
133906f5 | 1070 | /// set the working directory. |
b6a2f15e | 1071 | static void |
9b7292ce | 1072 | mainSetCwd(void) |
1073 | { | |
133906f5 | 1074 | static bool chrooted = false; |
133906f5 AJ |
1075 | if (Config.chroot_dir && !chrooted) { |
1076 | chrooted = true; | |
62e76326 | 1077 | |
b69e9ffa AJ |
1078 | if (chroot(Config.chroot_dir) != 0) { |
1079 | int xerrno = errno; | |
1080 | fatalf("chroot to %s failed: %s", Config.chroot_dir, xstrerr(xerrno)); | |
1081 | } | |
133906f5 | 1082 | |
dd0cbc64 AR |
1083 | if (!mainChangeDir("/")) |
1084 | fatalf("chdir to / after chroot to %s failed", Config.chroot_dir); | |
133906f5 AJ |
1085 | } |
1086 | ||
dd0cbc64 AR |
1087 | if (Config.coredump_dir && strcmp("none", Config.coredump_dir) != 0) { |
1088 | if (mainChangeDir(Config.coredump_dir)) { | |
e0236918 | 1089 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 1090 | return; |
62e76326 | 1091 | } |
b6a2f15e | 1092 | } |
62e76326 | 1093 | |
02e8115e | 1094 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
dd0cbc64 | 1095 | char pathbuf[MAXPATHLEN]; |
4a504376 | 1096 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 1097 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 1098 | } else { |
b69e9ffa AJ |
1099 | int xerrno = errno; |
1100 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerr(xerrno)); | |
4a504376 | 1101 | } |
b6a2f15e | 1102 | } |
1103 | ||
b8d8561b | 1104 | static void |
9b7292ce | 1105 | mainInitialize(void) |
1106 | { | |
efd900cb | 1107 | /* chroot if configured to run inside chroot */ |
133906f5 | 1108 | mainSetCwd(); |
62e76326 | 1109 | |
1758c627 | 1110 | if (opt_catch_signals) { |
62e76326 | 1111 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
1112 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 1113 | } |
62e76326 | 1114 | |
30a4f2a8 | 1115 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
1116 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
a918ecc6 | 1117 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
44f99671 | 1118 | |
85407535 | 1119 | setEffectiveUser(); |
62e76326 | 1120 | |
30a4f2a8 | 1121 | if (icpPortNumOverride != 1) |
f45dd259 | 1122 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 1123 | |
62493678 | 1124 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 1125 | |
62493678 | 1126 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 1127 | |
fa84c01d | 1128 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
cf2155f2 | 1129 | debugs(1, DBG_CRITICAL, "Service Name: " << service_name); |
62e76326 | 1130 | |
be266cb2 | 1131 | #if _SQUID_WINDOWS_ |
b293c4d8 | 1132 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d | 1133 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); |
b293c4d8 | 1134 | } else |
fa84c01d | 1135 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 1136 | #endif |
1137 | ||
e0236918 | 1138 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 1139 | |
e0236918 | 1140 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 1141 | |
f3f0f563 | 1142 | setSystemLimits(); |
e0236918 | 1143 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 1144 | |
7aa9bb3e | 1145 | #if _SQUID_WINDOWS_ |
6c1962dd | 1146 | |
e0236918 | 1147 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 1148 | |
1149 | if (WIN32_Socks_initialized) | |
e0236918 | 1150 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1151 | |
babd1fd5 | 1152 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1153 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1154 | } |
1155 | ||
6c1962dd | 1156 | #endif |
1157 | ||
5f3f8d0e | 1158 | ipcache_init(); |
62e76326 | 1159 | |
f88bb09c | 1160 | fqdncache_init(); |
62e76326 | 1161 | |
0e70aa1e | 1162 | parseEtcHosts(); |
62e76326 | 1163 | |
4a3b98d7 | 1164 | Dns::Init(); |
62e76326 | 1165 | |
586089cd CT |
1166 | #if USE_SSL_CRTD |
1167 | Ssl::Helper::GetInstance()->Init(); | |
1168 | #endif | |
1169 | ||
cb4f4424 | 1170 | #if USE_OPENSSL |
2cef0ca6 AR |
1171 | if (Ssl::CertValidationHelper::GetInstance()) |
1172 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
1173 | #endif | |
1174 | ||
74addf6c | 1175 | redirectInit(); |
2f1431ea | 1176 | #if USE_AUTH |
5c112575 | 1177 | authenticateInit(&Auth::TheConfig.schemes); |
2f1431ea | 1178 | #endif |
d9572179 | 1179 | externalAclInit(); |
62e76326 | 1180 | |
f53969cc | 1181 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1182 | |
9b312a19 | 1183 | errorInitialize(); |
62e76326 | 1184 | |
7a2f978b | 1185 | accessLogInit(); |
62e76326 | 1186 | |
e1381638 | 1187 | #if ICAP_CLIENT |
3ff65596 AR |
1188 | icapLogOpen(); |
1189 | #endif | |
1190 | ||
3898f57f | 1191 | #if USE_IDENT |
4daaf3cb | 1192 | Ident::Init(); |
3898f57f | 1193 | #endif |
4daaf3cb | 1194 | |
59ad6d31 | 1195 | #if SQUID_SNMP |
62e76326 | 1196 | |
5e14bf6d | 1197 | snmpInit(); |
62e76326 | 1198 | |
5e14bf6d | 1199 | #endif |
30a4f2a8 | 1200 | #if MALLOC_DBG |
62e76326 | 1201 | |
5f3f8d0e | 1202 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1203 | |
5f3f8d0e | 1204 | #endif |
1205 | ||
dbe4fd8e | 1206 | if (!configured_once) { |
c521ad17 DK |
1207 | if (unlinkdNeeded()) |
1208 | unlinkdInit(); | |
62e76326 | 1209 | |
1210 | urlInitialize(); | |
62e76326 | 1211 | statInit(); |
1212 | storeInit(); | |
1213 | mainSetCwd(); | |
62e76326 | 1214 | mimeInit(Config.mimeTablePathname); |
62e76326 | 1215 | refreshInit(); |
9a0a18de | 1216 | #if USE_DELAY_POOLS |
62e76326 | 1217 | DelayPools::Init(); |
0d7e5d78 | 1218 | #endif |
62e76326 | 1219 | |
b6b6f466 | 1220 | FwdState::initModule(); |
62ee09ca | 1221 | /* register the modules in the cache manager menus */ |
62ee09ca | 1222 | |
a08f1b5a | 1223 | cbdataRegisterWithCacheManager(); |
d87f6b1d HN |
1224 | SBufStatsAction::RegisterWithCacheManager(); |
1225 | ||
62ee09ca | 1226 | /* These use separate calls so that the comm loops can eventually |
1227 | * coexist. | |
1228 | */ | |
62ee09ca | 1229 | |
15b3c0d7 | 1230 | eventInit(); |
610ee341 | 1231 | |
26ac0430 | 1232 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1233 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1234 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1235 | } |
62e76326 | 1236 | |
7de94c8c | 1237 | if (IamPrimaryProcess()) { |
1f38f50a | 1238 | #if USE_WCCP |
5667a628 | 1239 | wccpInit(); |
62e76326 | 1240 | |
0b0cfcf2 | 1241 | #endif |
1242 | #if USE_WCCPv2 | |
1243 | ||
5667a628 | 1244 | wccp2Init(); |
0b0cfcf2 | 1245 | |
1f38f50a | 1246 | #endif |
7de94c8c | 1247 | } |
62e76326 | 1248 | |
2285407f | 1249 | serverConnectionsOpen(); |
62e76326 | 1250 | |
3ee2b4f8 | 1251 | neighbors_init(); |
fc68f6b1 | 1252 | |
5f5e883f | 1253 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1254 | |
efd900cb | 1255 | if (Config.chroot_dir) |
62e76326 | 1256 | no_suid(); |
1257 | ||
dbf55289 | 1258 | if (!configured_once && !InDaemonMode()) |
f53969cc | 1259 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1260 | |
605f2c3e | 1261 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1262 | |
e3175d1f | 1263 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1264 | |
e3175d1f | 1265 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1266 | |
e3175d1f | 1267 | #else |
62e76326 | 1268 | |
30a4f2a8 | 1269 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1270 | |
30a4f2a8 | 1271 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1272 | |
9fc0b4b8 | 1273 | #endif |
62e76326 | 1274 | |
dbf55289 | 1275 | squid_signal(SIGTERM, shut_down, SA_RESTART); |
62e76326 | 1276 | |
dbf55289 | 1277 | squid_signal(SIGINT, shut_down, SA_RESTART); |
62e76326 | 1278 | |
ae1feb30 | 1279 | #ifdef SIGTTIN |
1280 | ||
dbf55289 | 1281 | squid_signal(SIGTTIN, shut_down, SA_RESTART); |
ae1feb30 | 1282 | |
1283 | #endif | |
1284 | ||
58a39dc9 | 1285 | memCheckInit(); |
62e76326 | 1286 | |
57afc994 AR |
1287 | #if USE_LOADABLE_MODULES |
1288 | LoadableModulesConfigure(Config.loadable_module_names); | |
1289 | #endif | |
1290 | ||
8f361c50 AR |
1291 | #if USE_ADAPTATION |
1292 | bool enableAdaptation = false; | |
1293 | ||
1294 | // We can remove this dependency on specific adaptation mechanisms | |
1295 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1296 | #if ICAP_CLIENT |
26cc52cb AR |
1297 | Adaptation::Icap::TheConfig.finalize(); |
1298 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1299 | #endif |
1300 | #if USE_ECAP | |
574b508c AR |
1301 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1302 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1303 | #endif |
8f361c50 AR |
1304 | // must be the last adaptation-related finalize |
1305 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1306 | #endif |
1307 | ||
79039294 AR |
1308 | #if USE_SQUID_ESI |
1309 | Esi::Init(); | |
1310 | #endif | |
b958cb0f | 1311 | |
9a0a18de | 1312 | #if USE_DELAY_POOLS |
b4cd430a CT |
1313 | Config.ClientDelay.finalize(); |
1314 | #endif | |
1315 | ||
dbe4fd8e | 1316 | if (!configured_once) { |
c8f4eac4 | 1317 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1318 | |
1319 | if (Config.onoff.announce) | |
1320 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1321 | ||
1322 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1323 | ||
1324 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1325 | ||
88bfe092 | 1326 | #if USE_XPROF_STATS |
62e76326 | 1327 | |
1328 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1329 | ||
88bfe092 | 1330 | #endif |
62e76326 | 1331 | |
1332 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1333 | } |
62e76326 | 1334 | |
dbe4fd8e | 1335 | configured_once = 1; |
4d64d74a | 1336 | } |
1337 | ||
c842329d | 1338 | /// unsafe main routine -- may throw |
f3f3e961 | 1339 | int SquidMain(int argc, char **argv); |
c842329d | 1340 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1341 | static int SquidMainSafe(int argc, char **argv); |
1342 | ||
6c1962dd | 1343 | #if USE_WIN32_SERVICE |
a74922b5 | 1344 | /* Entry point for Windows services */ |
6c1962dd | 1345 | extern "C" void WINAPI |
e1381638 | 1346 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1347 | { |
1348 | SquidMainSafe(argc, argv); | |
1349 | } | |
a74922b5 AJ |
1350 | #endif |
1351 | ||
b8d8561b | 1352 | int |
1353 | main(int argc, char **argv) | |
6e5db507 | 1354 | { |
a74922b5 AJ |
1355 | #if USE_WIN32_SERVICE |
1356 | SetErrorMode(SEM_NOGPFAULTERRORBOX); | |
1357 | if ((argc == 2) && strstr(argv[1], _WIN_SQUID_SERVICE_OPTION)) | |
1358 | return WIN32_StartService(argc, argv); | |
1359 | else { | |
1360 | WIN32_run_mode = _WIN_SQUID_RUN_MODE_INTERACTIVE; | |
1361 | opt_no_daemon = 1; | |
1362 | } | |
1363 | #endif | |
1364 | ||
18631119 | 1365 | return SquidMainSafe(argc, argv); |
6e5db507 AR |
1366 | } |
1367 | ||
1368 | static int | |
1369 | SquidMainSafe(int argc, char **argv) | |
1370 | { | |
1371 | try { | |
1372 | return SquidMain(argc, argv); | |
26ac0430 | 1373 | } catch (const std::exception &e) { |
51618c6a | 1374 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1375 | e.what()); |
26ac0430 AJ |
1376 | throw; |
1377 | } catch (...) { | |
51618c6a | 1378 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1379 | throw; |
1380 | } | |
1381 | return -1; // not reached | |
6e5db507 AR |
1382 | } |
1383 | ||
d4a3e179 AR |
1384 | /// computes name and ID for the current kid process |
1385 | static void | |
1386 | ConfigureCurrentKid(const char *processName) | |
1387 | { | |
5667a628 | 1388 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1389 | if (processName && processName[0] == '(') { |
1390 | if (const char *idStart = strrchr(processName, '-')) { | |
1391 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1392 | const size_t nameLen = idStart - (processName + 1); |
1393 | assert(nameLen < sizeof(TheKidName)); | |
1394 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1395 | if (!strcmp(TheKidName, "squid-coord")) |
1396 | TheProcessKind = pkCoordinator; | |
9199139f | 1397 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1398 | TheProcessKind = pkWorker; |
9199139f | 1399 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1400 | TheProcessKind = pkDisker; |
1401 | else | |
1402 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1403 | } |
2664c457 | 1404 | } else { |
9de6c973 | 1405 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1406 | KidIdentifier = 0; |
d4a3e179 | 1407 | } |
d4a3e179 AR |
1408 | } |
1409 | ||
f3f3e961 | 1410 | int |
6e5db507 | 1411 | SquidMain(int argc, char **argv) |
9b7292ce | 1412 | { |
d4a3e179 | 1413 | ConfigureCurrentKid(argv[0]); |
007d775d | 1414 | |
fb6a61d1 | 1415 | Debug::parseOptions(NULL); |
9b7292ce | 1416 | debug_log = stderr; |
62e76326 | 1417 | |
b9269882 | 1418 | #if defined(SQUID_MAXFD_LIMIT) |
1419 | ||
1420 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1421 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1422 | ||
1423 | #endif | |
399e85ea | 1424 | |
cf3edd6f FC |
1425 | /* NOP under non-windows */ |
1426 | int WIN32_init_err=0; | |
a0aa9e74 | 1427 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1428 | return WIN32_init_err; | |
0e6d05ef | 1429 | |
9b7292ce | 1430 | /* call mallopt() before anything else */ |
0b29fe44 | 1431 | #if HAVE_MALLOPT |
7328e889 | 1432 | #ifdef M_GRAIN |
9b7292ce | 1433 | /* Round up all sizes to a multiple of this */ |
1434 | mallopt(M_GRAIN, 16); | |
62e76326 | 1435 | |
7328e889 | 1436 | #endif |
1437 | #ifdef M_MXFAST | |
9b7292ce | 1438 | /* biggest size that is considered a small block */ |
1439 | mallopt(M_MXFAST, 256); | |
62e76326 | 1440 | |
7328e889 | 1441 | #endif |
1442 | #ifdef M_NBLKS | |
9b7292ce | 1443 | /* allocate this many small blocks at once */ |
1444 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1445 | |
7328e889 | 1446 | #endif |
1447 | #endif /* HAVE_MALLOPT */ | |
1448 | ||
9b7292ce | 1449 | getCurrentTime(); |
62e76326 | 1450 | |
9b7292ce | 1451 | squid_start = current_time; |
62e76326 | 1452 | |
9b7292ce | 1453 | failure_notify = fatal_dump; |
4d64d74a | 1454 | |
6c1962dd | 1455 | #if USE_WIN32_SERVICE |
1456 | ||
9b7292ce | 1457 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1458 | |
1459 | #endif | |
1460 | ||
9b7292ce | 1461 | mainParseOptions(argc, argv); |
4d64d74a | 1462 | |
effda67e MM |
1463 | if (opt_foreground && opt_no_daemon) { |
1464 | debugs(1, DBG_CRITICAL, "WARNING: --foreground command-line option has no effect with -N."); | |
1465 | } | |
1466 | ||
9aae6be3 | 1467 | if (opt_parse_cfg_only) { |
26ac0430 | 1468 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1469 | } |
1470 | ||
6c1962dd | 1471 | #if USE_WIN32_SERVICE |
1472 | ||
26ac0430 | 1473 | if (opt_install_service) { |
9b7292ce | 1474 | WIN32_InstallService(); |
a0aa9e74 | 1475 | return 0; |
9b7292ce | 1476 | } |
6c1962dd | 1477 | |
26ac0430 | 1478 | if (opt_remove_service) { |
9b7292ce | 1479 | WIN32_RemoveService(); |
a0aa9e74 | 1480 | return 0; |
9b7292ce | 1481 | } |
6c1962dd | 1482 | |
26ac0430 | 1483 | if (opt_command_line) { |
9b7292ce | 1484 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1485 | return 0; |
9b7292ce | 1486 | } |
6c1962dd | 1487 | |
1488 | #endif | |
1489 | ||
9b7292ce | 1490 | /* parse configuration file |
1491 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1492 | { | |
1493 | int parse_err; | |
62e76326 | 1494 | |
9b7292ce | 1495 | if (!ConfigFile) |
1496 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1497 | |
9b7292ce | 1498 | assert(!configured_once); |
62e76326 | 1499 | |
9b7292ce | 1500 | Mem::Init(); |
62e76326 | 1501 | |
f53969cc | 1502 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1503 | |
7b5b7ba8 | 1504 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1505 | Fs::Init(); |
7b5b7ba8 | 1506 | |
b9ae18aa | 1507 | /* May not be needed for parsing, have not audited for such */ |
1508 | DiskIOModule::SetupAllModules(); | |
1509 | ||
59b2d47f | 1510 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1511 | StoreFileSystem::SetupAllFs(); | |
1512 | ||
c8f4eac4 | 1513 | /* we may want the parsing process to set this up in the future */ |
2745fea5 | 1514 | Store::Init(); |
89736861 | 1515 | Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */ |
055421ee AJ |
1516 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1517 | ||
31971e6a AJ |
1518 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1519 | ||
8951901e AJ |
1520 | try { |
1521 | parse_err = parseConfigFile(ConfigFile); | |
1522 | } catch (...) { | |
1523 | // for now any errors are a fatal condition... | |
1524 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file." << | |
1525 | (opt_parse_cfg_only ? " Run squid -k parse and check for errors." : "")); | |
1526 | parse_err = 1; | |
1527 | } | |
62e76326 | 1528 | |
97244680 | 1529 | Mem::Report(); |
26ac0430 | 1530 | |
18631119 | 1531 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1532 | return parse_err; |
9b7292ce | 1533 | } |
c642c141 | 1534 | setUmask(Config.umask); |
9b7292ce | 1535 | if (-1 == opt_send_signal) |
1536 | if (checkRunningPid()) | |
205d7c3b | 1537 | exit(0); |
e13ee7ad | 1538 | |
9bc73deb | 1539 | #if TEST_ACCESS |
62e76326 | 1540 | |
95564b0d | 1541 | comm_init(); |
62e76326 | 1542 | |
9b7292ce | 1543 | mainInitialize(); |
62e76326 | 1544 | |
9b7292ce | 1545 | test_access(); |
62e76326 | 1546 | |
9b7292ce | 1547 | return 0; |
62e76326 | 1548 | |
9bc73deb | 1549 | #endif |
1550 | ||
9b7292ce | 1551 | /* send signal to running copy and exit */ |
26ac0430 | 1552 | if (opt_send_signal != -1) { |
9b7292ce | 1553 | /* chroot if configured to run inside chroot */ |
133906f5 | 1554 | mainSetCwd(); |
a572d8be | 1555 | if (Config.chroot_dir) { |
a572d8be | 1556 | no_suid(); |
1557 | } else { | |
1558 | leave_suid(); | |
9b7292ce | 1559 | } |
62e76326 | 1560 | |
9b7292ce | 1561 | sendSignal(); |
1562 | /* NOTREACHED */ | |
1563 | } | |
62e76326 | 1564 | |
6d57128b | 1565 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1566 | leave_suid(); |
21b7990f AR |
1567 | RunRegisteredHere(RegisteredRunner::finalizeConfig); |
1568 | RunRegisteredHere(RegisteredRunner::claimMemoryNeeds); | |
1569 | RunRegisteredHere(RegisteredRunner::useConfig); | |
520e0073 | 1570 | enter_suid(); |
9487bae9 | 1571 | |
dbf55289 | 1572 | if (InDaemonMode() && IamMasterProcess()) { |
2ae5c85f | 1573 | watch_child(argv); |
dbf55289 CT |
1574 | // NOTREACHED |
1575 | } | |
2ae5c85f | 1576 | |
26ac0430 | 1577 | if (opt_create_swap_dirs) { |
9b7292ce | 1578 | /* chroot if configured to run inside chroot */ |
133906f5 | 1579 | mainSetCwd(); |
62e76326 | 1580 | |
9b7292ce | 1581 | setEffectiveUser(); |
04632397 | 1582 | debugs(0, DBG_CRITICAL, "Creating missing swap directories"); |
c8f4eac4 | 1583 | Store::Root().create(); |
6c1962dd | 1584 | |
9b7292ce | 1585 | return 0; |
9b7292ce | 1586 | } |
62e76326 | 1587 | |
96c2bb61 AR |
1588 | if (IamPrimaryProcess()) |
1589 | CpuAffinityCheck(); | |
1590 | CpuAffinityInit(); | |
1591 | ||
95564b0d | 1592 | setMaxFD(); |
1593 | ||
1594 | /* init comm module */ | |
1595 | comm_init(); | |
62e76326 | 1596 | |
26ac0430 | 1597 | if (opt_no_daemon) { |
9b7292ce | 1598 | /* we have to init fdstat here. */ |
1599 | fd_open(0, FD_LOG, "stdin"); | |
1600 | fd_open(1, FD_LOG, "stdout"); | |
1601 | fd_open(2, FD_LOG, "stderr"); | |
1602 | } | |
62e76326 | 1603 | |
6c1962dd | 1604 | #if USE_WIN32_SERVICE |
1605 | ||
9b7292ce | 1606 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1607 | |
1608 | #endif | |
1609 | ||
9b7292ce | 1610 | mainInitialize(); |
4d64d74a | 1611 | |
6c1962dd | 1612 | #if USE_WIN32_SERVICE |
1613 | ||
9b7292ce | 1614 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1615 | |
1616 | #endif | |
1617 | ||
9b7292ce | 1618 | /* main loop */ |
a553a5a3 | 1619 | EventLoop mainLoop; |
62e76326 | 1620 | |
0a720258 | 1621 | SignalEngine signalEngine; |
6c1962dd | 1622 | |
9688b0ae | 1623 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1624 | |
8ff3fa2e | 1625 | /* TODO: stop requiring the singleton here */ |
1626 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1627 | |
8ff3fa2e | 1628 | StoreRootEngine store_engine; |
615f9581 | 1629 | |
8ff3fa2e | 1630 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1631 | |
8ff3fa2e | 1632 | CommSelectEngine comm_engine; |
1633 | ||
8ff3fa2e | 1634 | mainLoop.registerEngine(&comm_engine); |
1635 | ||
bef81ea5 | 1636 | mainLoop.setPrimaryEngine(&comm_engine); |
1637 | ||
8ff3fa2e | 1638 | /* use the standard time service */ |
1639 | TimeEngine time_engine; | |
1640 | ||
1641 | mainLoop.setTimeService(&time_engine); | |
1642 | ||
7de94c8c | 1643 | if (IamCoordinatorProcess()) |
4299f876 | 1644 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1645 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1646 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1647 | |
48d54e4d AJ |
1648 | /* at this point we are finished the synchronous startup. */ |
1649 | starting_up = 0; | |
1650 | ||
8ff3fa2e | 1651 | mainLoop.run(); |
1652 | ||
1653 | if (mainLoop.errcount == 10) | |
1654 | fatal_dump("Event loop exited with failure."); | |
1655 | ||
1656 | /* shutdown squid now */ | |
1657 | SquidShutdown(); | |
62e76326 | 1658 | |
9b7292ce | 1659 | /* NOTREACHED */ |
9b7292ce | 1660 | return 0; |
090089c4 | 1661 | } |
7690e8eb | 1662 | |
b8d8561b | 1663 | static void |
0673c0ba | 1664 | sendSignal(void) |
7690e8eb | 1665 | { |
ff8d0ea6 | 1666 | pid_t pid; |
fedac7e5 | 1667 | debug_log = stderr; |
258ac4d7 | 1668 | |
1669 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1670 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1671 | } |
1672 | ||
fedac7e5 | 1673 | pid = readPidFile(); |
62e76326 | 1674 | |
fedac7e5 | 1675 | if (pid > 1) { |
6c1962dd | 1676 | #if USE_WIN32_SERVICE |
6c1962dd | 1677 | if (opt_signal_service) { |
1678 | WIN32_sendSignal(opt_send_signal); | |
1679 | exit(0); | |
cf3edd6f | 1680 | } else { |
7dbca7a4 | 1681 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1682 | fprintf(stderr, "signal to Squid Service:\n"); |
1683 | fprintf(stderr, "missing -n command line switch.\n"); | |
1684 | exit(1); | |
1685 | } | |
6c1962dd | 1686 | /* NOTREACHED */ |
6c1962dd | 1687 | #endif |
1688 | ||
62e76326 | 1689 | if (kill(pid, opt_send_signal) && |
1690 | /* ignore permissions if just running check */ | |
1691 | !(opt_send_signal == 0 && errno == EPERM)) { | |
b69e9ffa | 1692 | int xerrno = errno; |
7dbca7a4 | 1693 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1694 | fprintf(stderr, "signal %d to process %d: %s\n", |
b69e9ffa | 1695 | opt_send_signal, (int) pid, xstrerr(xerrno)); |
62e76326 | 1696 | exit(1); |
1697 | } | |
fedac7e5 | 1698 | } else { |
205d7c3b | 1699 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1700 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1701 | exit(1); |
1702 | } else { | |
e08d498f | 1703 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1704 | exit(0); |
1705 | } | |
7690e8eb | 1706 | } |
62e76326 | 1707 | |
fedac7e5 | 1708 | /* signal successfully sent */ |
1709 | exit(0); | |
1710 | } | |
f95b8144 | 1711 | |
7aa9bb3e | 1712 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 1713 | /* |
1714 | * This function is run when Squid is in daemon mode, just | |
1715 | * before the parent forks and starts up the child process. | |
1716 | * It can be used for admin-specific tasks, such as notifying | |
1717 | * someone that Squid is (re)started. | |
1718 | */ | |
1719 | static void | |
1720 | mainStartScript(const char *prog) | |
1721 | { | |
ef364f64 | 1722 | char script[MAXPATHLEN]; |
e18d7fdc | 1723 | char *t; |
1724 | size_t sl = 0; | |
1725 | pid_t cpid; | |
1726 | pid_t rpid; | |
1727 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1728 | |
e18d7fdc | 1729 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1730 | *(++t) = '\0'; |
1731 | sl = strlen(script); | |
e18d7fdc | 1732 | } |
62e76326 | 1733 | |
e18d7fdc | 1734 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1735 | |
e18d7fdc | 1736 | if ((cpid = fork()) == 0) { |
62e76326 | 1737 | /* child */ |
f75662c9 | 1738 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1739 | _exit(-1); |
e18d7fdc | 1740 | } else { |
62e76326 | 1741 | do { |
dbf55289 CT |
1742 | PidStatus status; |
1743 | rpid = WaitForOnePid(cpid, status, 0); | |
62e76326 | 1744 | } while (rpid != cpid); |
e18d7fdc | 1745 | } |
1746 | } | |
1747 | ||
7aa9bb3e | 1748 | #endif /* _SQUID_WINDOWS_ */ |
a50bfe93 | 1749 | |
efd900cb | 1750 | static int |
1751 | checkRunningPid(void) | |
1752 | { | |
b81949b9 | 1753 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1754 | if (!IamMasterProcess()) |
b81949b9 AR |
1755 | return 0; |
1756 | ||
efd900cb | 1757 | pid_t pid; |
e0077312 | 1758 | |
1759 | if (!debug_log) | |
1760 | debug_log = stderr; | |
1761 | ||
efd900cb | 1762 | pid = readPidFile(); |
62e76326 | 1763 | |
efd900cb | 1764 | if (pid < 2) |
62e76326 | 1765 | return 0; |
1766 | ||
efd900cb | 1767 | if (kill(pid, 0) < 0) |
62e76326 | 1768 | return 0; |
1769 | ||
fa84c01d | 1770 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1771 | |
efd900cb | 1772 | return 1; |
1773 | } | |
1774 | ||
c92fcbad | 1775 | #if !_SQUID_WINDOWS_ |
f95b8144 | 1776 | static void |
dbf55289 | 1777 | masterCheckAndBroadcastSignals() |
f95b8144 | 1778 | { |
a6201b10 CT |
1779 | // if (do_reconfigure) |
1780 | // TODO: hot-reconfiguration of the number of kids and PID file location | |
1781 | ||
dbf55289 CT |
1782 | if (do_shutdown) |
1783 | shutting_down = 1; | |
62e76326 | 1784 | |
dbf55289 CT |
1785 | BroadcastSignalIfAny(DebugSignal); |
1786 | BroadcastSignalIfAny(RotateSignal); | |
1787 | BroadcastSignalIfAny(ReconfigureSignal); | |
1788 | BroadcastSignalIfAny(ShutdownSignal); | |
1789 | } | |
c92fcbad | 1790 | #endif |
62e76326 | 1791 | |
dbf55289 CT |
1792 | static inline bool |
1793 | masterSignaled() | |
1794 | { | |
1795 | return (DebugSignal > 0 || RotateSignal > 0 || ReconfigureSignal > 0 || ShutdownSignal > 0); | |
1796 | } | |
62e76326 | 1797 | |
dbf55289 CT |
1798 | static void |
1799 | watch_child(char *argv[]) | |
1800 | { | |
1801 | #if !_SQUID_WINDOWS_ | |
1802 | char *prog; | |
effda67e | 1803 | PidStatus status_f, status; |
e3a3b845 | 1804 | pid_t pid; |
c99c5397 | 1805 | #ifdef TIOCNOTTY |
1806 | ||
54f742e7 | 1807 | int i; |
c99c5397 | 1808 | #endif |
1809 | ||
742724a4 | 1810 | int nullfd; |
62e76326 | 1811 | |
7dbca7a4 | 1812 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1813 | |
b69e9ffa AJ |
1814 | if ((pid = fork()) < 0) { |
1815 | int xerrno = errno; | |
1816 | syslog(LOG_ALERT, "fork failed: %s", xstrerr(xerrno)); | |
1817 | } else if (pid > 0) { | |
effda67e MM |
1818 | // parent |
1819 | if (opt_foreground) { | |
1820 | if (WaitForAnyPid(status_f, 0) < 0) { | |
b69e9ffa AJ |
1821 | int xerrno = errno; |
1822 | syslog(LOG_ALERT, "WaitForAnyPid failed: %s", xstrerr(xerrno)); | |
effda67e MM |
1823 | } |
1824 | } | |
1825 | ||
62e76326 | 1826 | exit(0); |
effda67e | 1827 | } |
62e76326 | 1828 | |
b69e9ffa AJ |
1829 | if (setsid() < 0) { |
1830 | int xerrno = errno; | |
1831 | syslog(LOG_ALERT, "setsid failed: %s", xstrerr(xerrno)); | |
1832 | } | |
62e76326 | 1833 | |
efd900cb | 1834 | closelog(); |
62e76326 | 1835 | |
54f742e7 | 1836 | #ifdef TIOCNOTTY |
62e76326 | 1837 | |
c4aefe96 | 1838 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1839 | ioctl(i, TIOCNOTTY, NULL); |
1840 | close(i); | |
54f742e7 | 1841 | } |
62e76326 | 1842 | |
54f742e7 | 1843 | #endif |
b05490a8 | 1844 | |
7f6ffd15 | 1845 | /* |
1846 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1847 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1848 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1849 | */ | |
742724a4 | 1850 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1851 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1852 | |
b69e9ffa AJ |
1853 | if (nullfd < 0) { |
1854 | int xerrno = errno; | |
1855 | fatalf(_PATH_DEVNULL " %s\n", xstrerr(xerrno)); | |
1856 | } | |
e4a1325e | 1857 | |
742724a4 | 1858 | dup2(nullfd, 0); |
62e76326 | 1859 | |
62493678 | 1860 | if (Debug::log_stderr < 0) { |
62e76326 | 1861 | dup2(nullfd, 1); |
1862 | dup2(nullfd, 2); | |
742724a4 | 1863 | } |
62e76326 | 1864 | |
dbf55289 | 1865 | writePidFile(); |
8209c7e6 | 1866 | enter_suid(); // writePidFile() uses leave_suid() |
dbf55289 CT |
1867 | |
1868 | #if defined(_SQUID_LINUX_THREADS_) | |
1869 | squid_signal(SIGQUIT, rotate_logs, 0); | |
1870 | squid_signal(SIGTRAP, sigusr2_handle, 0); | |
1871 | #else | |
1872 | squid_signal(SIGUSR1, rotate_logs, 0); | |
1873 | squid_signal(SIGUSR2, sigusr2_handle, 0); | |
1874 | #endif | |
1875 | ||
1876 | squid_signal(SIGHUP, reconfigure, 0); | |
1877 | ||
1878 | squid_signal(SIGTERM, master_shutdown, 0); | |
1879 | squid_signal(SIGINT, master_shutdown, 0); | |
1880 | #ifdef SIGTTIN | |
1881 | squid_signal(SIGTTIN, master_shutdown, 0); | |
1882 | #endif | |
ca4b9ee6 | 1883 | |
13aeac35 AR |
1884 | if (Config.workers > 128) { |
1885 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1886 | Config.workers); |
007d775d | 1887 | // but we keep going in hope that user knows best |
5667a628 | 1888 | } |
095ec2b1 AR |
1889 | TheKids.init(); |
1890 | ||
a2515f86 | 1891 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1892 | |
1893 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1894 | for (;;) { |
dbf55289 | 1895 | bool mainStartScriptCalled = false; |
007d775d | 1896 | // start each kid that needs to be [re]started; once |
dbf55289 | 1897 | for (int i = TheKids.count() - 1; i >= 0 && !shutting_down; --i) { |
007d775d | 1898 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1899 | if (!kid.shouldRestart()) |
007d775d AR |
1900 | continue; |
1901 | ||
dbf55289 CT |
1902 | if (!mainStartScriptCalled) { |
1903 | mainStartScript(argv[0]); | |
1904 | mainStartScriptCalled = true; | |
1905 | } | |
1906 | ||
007d775d AR |
1907 | if ((pid = fork()) == 0) { |
1908 | /* child */ | |
1909 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1910 | prog = argv[0]; |
007d775d AR |
1911 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1912 | execvp(prog, argv); | |
b69e9ffa AJ |
1913 | int xerrno = errno; |
1914 | syslog(LOG_ALERT, "execvp failed: %s", xstrerr(xerrno)); | |
007d775d AR |
1915 | } |
1916 | ||
1917 | kid.start(pid); | |
095ec2b1 | 1918 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1919 | kid.name().termedBuf(), pid); |
62e76326 | 1920 | } |
1921 | ||
1922 | /* parent */ | |
7dbca7a4 | 1923 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1924 | |
dbf55289 CT |
1925 | // If Squid received a signal while checking for dying kids (below) or |
1926 | // starting new kids (above), then do a fast check for a new dying kid | |
1927 | // (WaitForAnyPid with the WNOHANG option) and continue to forward | |
1928 | // signals to kids. Otherwise, wait for a kid to die or for a signal | |
1929 | // to abort the blocking WaitForAnyPid() call. | |
1930 | // With the WNOHANG option, we could check whether WaitForAnyPid() was | |
5c634111 | 1931 | // aborted by a dying kid or a signal, but it is not required: The |
dbf55289 CT |
1932 | // next do/while loop will check again for any dying kids. |
1933 | int waitFlag = 0; | |
1934 | if (masterSignaled()) | |
1935 | waitFlag = WNOHANG; | |
1936 | pid = WaitForAnyPid(status, waitFlag); | |
1937 | ||
1938 | // check for a stopped kid | |
1939 | Kid* kid = pid > 0 ? TheKids.find(pid) : NULL; | |
1940 | if (kid) { | |
1941 | kid->stop(status); | |
1942 | if (kid->calledExit()) { | |
1943 | syslog(LOG_NOTICE, | |
1944 | "Squid Parent: %s process %d exited with status %d", | |
1945 | kid->name().termedBuf(), | |
1946 | kid->getPid(), kid->exitStatus()); | |
1947 | } else if (kid->signaled()) { | |
1948 | syslog(LOG_NOTICE, | |
1949 | "Squid Parent: %s process %d exited due to signal %d with status %d", | |
1950 | kid->name().termedBuf(), | |
1951 | kid->getPid(), kid->termSignal(), kid->exitStatus()); | |
007d775d | 1952 | } else { |
dbf55289 CT |
1953 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1954 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1955 | } |
dbf55289 CT |
1956 | if (kid->hopeless()) { |
1957 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" | |
1958 | " be restarted due to repeated, frequent failures", | |
1959 | kid->name().termedBuf(), kid->getPid()); | |
1960 | } | |
5c634111 | 1961 | } else if (pid > 0) { |
dbf55289 | 1962 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); |
5667a628 | 1963 | } |
62e76326 | 1964 | |
ca4b9ee6 | 1965 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1966 | leave_suid(); |
21b7990f AR |
1967 | // XXX: Master process has no main loop and, hence, should not call |
1968 | // RegisteredRunner::startShutdown which promises a loop iteration. | |
1969 | RunRegisteredHere(RegisteredRunner::finishShutdown); | |
520e0073 | 1970 | enter_suid(); |
c011f9bc | 1971 | |
dbf55289 | 1972 | removePidFile(); |
8209c7e6 | 1973 | enter_suid(); // removePidFile() uses leave_suid() |
ca4b9ee6 DK |
1974 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1975 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1976 | exit(1); | |
1977 | } | |
62e76326 | 1978 | |
ca4b9ee6 DK |
1979 | if (TheKids.allHopeless()) { |
1980 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1981 | exit(1); | |
1982 | } | |
62e76326 | 1983 | |
007d775d AR |
1984 | exit(0); |
1985 | } | |
06a0fbd3 | 1986 | |
dbf55289 | 1987 | masterCheckAndBroadcastSignals(); |
f95b8144 | 1988 | } |
62e76326 | 1989 | |
bbe199dc | 1990 | /* NOTREACHED */ |
7aa9bb3e | 1991 | #endif /* _SQUID_WINDOWS_ */ |
a572d8be | 1992 | |
f95b8144 | 1993 | } |
fff6ad65 | 1994 | |
9ec1a1dc | 1995 | static void |
8ff3fa2e | 1996 | SquidShutdown() |
fff6ad65 | 1997 | { |
d71e4674 AR |
1998 | /* XXX: This function is called after the main loop has quit, which |
1999 | * means that no AsyncCalls would be called, including close handlers. | |
2000 | * TODO: We need to close/shut/free everything that needs calls before | |
2001 | * exiting the loop. | |
26ac0430 | 2002 | */ |
d71e4674 | 2003 | |
6c1962dd | 2004 | #if USE_WIN32_SERVICE |
2005 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
2006 | #endif | |
2007 | ||
e0236918 | 2008 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
95d2589c CT |
2009 | #if USE_SSL_CRTD |
2010 | Ssl::Helper::GetInstance()->Shutdown(); | |
2cef0ca6 | 2011 | #endif |
cb4f4424 | 2012 | #if USE_OPENSSL |
f54e3d4c AR |
2013 | if (Ssl::CertValidationHelper::GetInstance()) |
2014 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c | 2015 | #endif |
95a83c22 | 2016 | redirectShutdown(); |
2017 | externalAclShutdown(); | |
65d448bc | 2018 | icpClosePorts(); |
d723bf6b | 2019 | #if USE_HTCP |
65d448bc | 2020 | htcpClosePorts(); |
d723bf6b | 2021 | #endif |
59ad6d31 | 2022 | #if SQUID_SNMP |
65d448bc | 2023 | snmpClosePorts(); |
320e9f36 | 2024 | #endif |
eb824054 | 2025 | #if USE_WCCP |
62e76326 | 2026 | |
320e9f36 | 2027 | wccpConnectionClose(); |
d723bf6b | 2028 | #endif |
0b0cfcf2 | 2029 | #if USE_WCCPv2 |
2030 | ||
2031 | wccp2ConnectionClose(); | |
2032 | #endif | |
62e76326 | 2033 | |
fff6ad65 | 2034 | releaseServerSockets(); |
d723bf6b | 2035 | commCloseAllSockets(); |
79039294 AR |
2036 | |
2037 | #if USE_SQUID_ESI | |
2038 | Esi::Clean(); | |
2039 | #endif | |
2040 | ||
9a0a18de | 2041 | #if USE_DELAY_POOLS |
b67e2c8c | 2042 | DelayPools::FreePools(); |
515ec4dc | 2043 | #endif |
2f1431ea | 2044 | #if USE_AUTH |
0bcb6908 | 2045 | authenticateReset(); |
2f1431ea | 2046 | #endif |
6c1962dd | 2047 | #if USE_WIN32_SERVICE |
2048 | ||
2049 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
2050 | #endif | |
e2b80c5b CT |
2051 | #if ICAP_CLIENT |
2052 | Adaptation::Icap::TheConfig.freeService(); | |
2053 | #endif | |
62e76326 | 2054 | |
c8f4eac4 | 2055 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 2056 | |
f53969cc | 2057 | unlinkdClose(); /* after sync/flush. NOP if !USE_UNLINKD */ |
fc68f6b1 | 2058 | |
fff6ad65 | 2059 | storeDirWriteCleanLogs(0); |
2060 | PrintRusage(); | |
2061 | dumpMallocStats(); | |
f53969cc | 2062 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 2063 | storeLogClose(); |
2064 | accessLogClose(); | |
f53969cc | 2065 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 2066 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 2067 | DiskIOModule::FreeAllModules(); |
afec404b | 2068 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 2069 | |
fff6ad65 | 2070 | configFreeMemory(); |
2071 | storeFreeMemory(); | |
33ab18e8 | 2072 | /*stmemFreeMemory(); */ |
fff6ad65 | 2073 | netdbFreeMemory(); |
2074 | ipcacheFreeMemory(); | |
2075 | fqdncacheFreeMemory(); | |
2076 | asnFreeMemory(); | |
26a369ba | 2077 | clientdbFreeMemory(); |
d2db411c | 2078 | statFreeMemory(); |
f1fc2a8d | 2079 | eventFreeMemory(); |
c68e9c6b | 2080 | mimeFreeMemory(); |
2081 | errorClean(); | |
33ab18e8 | 2082 | #endif |
2745fea5 | 2083 | Store::FreeMemory(); |
57fc379e | 2084 | |
fff6ad65 | 2085 | fdDumpOpen(); |
62e76326 | 2086 | |
236d1779 | 2087 | comm_exit(); |
62e76326 | 2088 | |
21b7990f | 2089 | RunRegisteredHere(RegisteredRunner::finishShutdown); |
62e76326 | 2090 | |
553d498c AJ |
2091 | memClean(); |
2092 | ||
dbf55289 CT |
2093 | if (!InDaemonMode()) { |
2094 | removePidFile(); | |
ab50ee9e | 2095 | } |
62e76326 | 2096 | |
e0236918 | 2097 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 2098 | |
0cfa98cb | 2099 | /* |
2100 | * DPW 2006-10-23 | |
2101 | * We used to fclose(debug_log) here if it was set, but then | |
2102 | * we forgot to set it to NULL. That caused some coredumps | |
2103 | * because exit() ends up calling a bunch of destructors and | |
2104 | * such. So rather than forcing the debug_log to close, we'll | |
2105 | * leave it open so that those destructors can write some | |
2106 | * debugging if necessary. The file will be closed anyway when | |
2107 | * the process truly exits. | |
2108 | */ | |
62e76326 | 2109 | |
ae1feb30 | 2110 | exit(shutdown_status); |
fff6ad65 | 2111 | } |
bef81ea5 | 2112 |