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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
581dae2d | 4 | * Main loop for the CUPS scheduler. |
ef416fc2 | 5 | * |
7e86f2f6 | 6 | * Copyright 2007-2014 by Apple Inc. |
581dae2d | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
581dae2d MS |
9 | * These coded instructions, statements, and computer programs are the |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * "LICENSE" which should have been included with this file. If this | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | */ |
15 | ||
16 | /* | |
17 | * Include necessary headers... | |
18 | */ | |
19 | ||
20 | #define _MAIN_C_ | |
21 | #include "cupsd.h" | |
22 | #include <sys/resource.h> | |
23 | #include <syslog.h> | |
24 | #include <grp.h> | |
25 | ||
a4d04587 | 26 | #ifdef HAVE_LAUNCH_H |
27 | # include <launch.h> | |
28 | # include <libgen.h> | |
ba55dc12 | 29 | # define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd" |
f7deaa1a | 30 | /* Name of the launchd KeepAlive file */ |
02f3db8a MS |
31 | # ifdef HAVE_LAUNCH_ACTIVATE_SOCKET |
32 | /* Update when we have a public header we can include */ | |
33 | extern int launch_activate_socket(const char *name, int **fds, size_t *cnt); | |
34 | # endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */ | |
a4d04587 | 35 | #endif /* HAVE_LAUNCH_H */ |
36 | ||
1720786e | 37 | #ifdef HAVE_SYSTEMD |
5950e7bd | 38 | # include <systemd/sd-daemon.h> |
1720786e MS |
39 | # define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd" |
40 | /* Name of the systemd path file */ | |
41 | #endif /* HAVE_SYSTEMD */ | |
42 | ||
ef416fc2 | 43 | #if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO) |
44 | # include <malloc.h> | |
45 | #endif /* HAVE_MALLOC_H && HAVE_MALLINFO */ | |
3dd9c340 | 46 | |
fa73b229 | 47 | #ifdef HAVE_NOTIFY_H |
48 | # include <notify.h> | |
49 | #endif /* HAVE_NOTIFY_H */ | |
ef416fc2 | 50 | |
e7f455a5 MS |
51 | #ifdef HAVE_DBUS |
52 | # include <dbus/dbus.h> | |
53 | #endif /* HAVE_DBUS */ | |
54 | ||
3dd9c340 MS |
55 | #ifdef HAVE_SYS_PARAM_H |
56 | # include <sys/param.h> | |
57 | #endif /* HAVE_SYS_PARAM_H */ | |
58 | ||
ef416fc2 | 59 | |
60 | /* | |
61 | * Local functions... | |
62 | */ | |
63 | ||
411affcf | 64 | static void parent_handler(int sig); |
65 | static void process_children(void); | |
66 | static void sigchld_handler(int sig); | |
67 | static void sighup_handler(int sig); | |
68 | static void sigterm_handler(int sig); | |
69 | static long select_timeout(int fds); | |
1720786e MS |
70 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
71 | static void service_checkin(void); | |
72 | static void service_checkout(void); | |
73 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
85dda01c | 74 | static void usage(int status) __attribute__((noreturn)); |
ef416fc2 | 75 | |
76 | ||
77 | /* | |
78 | * Local globals... | |
79 | */ | |
80 | ||
411affcf | 81 | static int parent_signal = 0; |
82 | /* Set to signal number from child */ | |
83 | static int holdcount = 0; /* Number of times "hold" was called */ | |
ef416fc2 | 84 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
411affcf | 85 | static sigset_t holdmask; /* Old POSIX signal mask */ |
ef416fc2 | 86 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
411affcf | 87 | static int dead_children = 0; |
88 | /* Dead children? */ | |
89 | static int stop_scheduler = 0; | |
90 | /* Should the scheduler stop? */ | |
91 | ||
ef416fc2 | 92 | |
93 | /* | |
94 | * 'main()' - Main entry for the CUPS scheduler. | |
95 | */ | |
96 | ||
97 | int /* O - Exit status */ | |
bd7854cb | 98 | main(int argc, /* I - Number of command-line args */ |
ef416fc2 | 99 | char *argv[]) /* I - Command-line arguments */ |
100 | { | |
101 | int i; /* Looping var */ | |
102 | char *opt; /* Option character */ | |
108f7505 MS |
103 | int close_all = 1, /* Close all file descriptors? */ |
104 | disconnect = 1, /* Disconnect from controlling terminal? */ | |
105 | fg = 0, /* Run in foreground? */ | |
106 | run_as_child = 0; | |
107 | /* Running as child process? */ | |
bd7854cb | 108 | int fds; /* Number of ready descriptors */ |
ef416fc2 | 109 | cupsd_client_t *con; /* Current client */ |
110 | cupsd_job_t *job; /* Current job */ | |
111 | cupsd_listener_t *lis; /* Current listener */ | |
112 | time_t current_time, /* Current time */ | |
a4d04587 | 113 | activity, /* Client activity timer */ |
ef416fc2 | 114 | senddoc_time, /* Send-Document time */ |
411affcf | 115 | expire_time, /* Subscription expire time */ |
50fe7201 | 116 | report_time, /* Malloc/client/job report time */ |
5a662dc0 | 117 | event_time; /* Last event notification time */ |
f7deaa1a | 118 | long timeout; /* Timeout for cupsdDoSelect() */ |
ef416fc2 | 119 | struct rlimit limit; /* Runtime limit */ |
120 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
121 | struct sigaction action; /* Actions for POSIX signals */ | |
122 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
a41f09e2 | 123 | #ifdef __APPLE__ |
1deb86fd | 124 | int use_sysman = 1; /* Use system management functions? */ |
a4924f6c MS |
125 | #else |
126 | time_t netif_time = 0; /* Time since last network update */ | |
a41f09e2 | 127 | #endif /* __APPLE__ */ |
1720786e MS |
128 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
129 | int service_idle_exit; | |
a4d04587 | 130 | /* Idle exit on select timeout? */ |
1720786e | 131 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
ef416fc2 | 132 | |
133 | ||
db1f069b MS |
134 | #ifdef HAVE_GETEUID |
135 | /* | |
136 | * Check for setuid invocation, which we do not support! | |
137 | */ | |
138 | ||
139 | if (getuid() != geteuid()) | |
140 | { | |
1deb86fd | 141 | fputs("cupsd: Cannot run as a setuid program.\n", stderr); |
db1f069b MS |
142 | return (1); |
143 | } | |
144 | #endif /* HAVE_GETEUID */ | |
145 | ||
ef416fc2 | 146 | /* |
147 | * Check for command-line arguments... | |
148 | */ | |
149 | ||
4400e98d | 150 | fg = 0; |
ef416fc2 | 151 | |
09a101d6 | 152 | #ifdef HAVE_LAUNCHD |
153 | if (getenv("CUPSD_LAUNCHD")) | |
154 | { | |
108f7505 MS |
155 | OnDemand = 1; |
156 | fg = 1; | |
157 | close_all = 0; | |
158 | disconnect = 0; | |
09a101d6 | 159 | } |
160 | #endif /* HAVE_LAUNCHD */ | |
161 | ||
ef416fc2 | 162 | for (i = 1; i < argc; i ++) |
163 | if (argv[i][0] == '-') | |
164 | for (opt = argv[i] + 1; *opt != '\0'; opt ++) | |
165 | switch (*opt) | |
166 | { | |
a41f09e2 MS |
167 | case 'C' : /* Run as child with config file */ |
168 | run_as_child = 1; | |
108f7505 MS |
169 | fg = 1; |
170 | close_all = 0; | |
a41f09e2 | 171 | |
ef416fc2 | 172 | case 'c' : /* Configuration file */ |
173 | i ++; | |
174 | if (i >= argc) | |
a4d04587 | 175 | { |
176 | _cupsLangPuts(stderr, _("cupsd: Expected config filename " | |
0837b7e8 | 177 | "after \"-c\" option.")); |
a4d04587 | 178 | usage(1); |
179 | } | |
ef416fc2 | 180 | |
181 | if (argv[i][0] == '/') | |
182 | { | |
183 | /* | |
184 | * Absolute directory... | |
185 | */ | |
186 | ||
187 | cupsdSetString(&ConfigurationFile, argv[i]); | |
188 | } | |
189 | else | |
190 | { | |
191 | /* | |
192 | * Relative directory... | |
193 | */ | |
194 | ||
09ec0018 | 195 | char *current; /* Current directory */ |
ef416fc2 | 196 | |
09ec0018 | 197 | /* |
198 | * Allocate a buffer for the current working directory to | |
199 | * reduce run-time stack usage; this approximates the | |
200 | * behavior of some implementations of getcwd() when they | |
201 | * are passed a NULL pointer. | |
202 | */ | |
203 | ||
91c84a35 MS |
204 | if ((current = malloc(1024)) == NULL) |
205 | { | |
206 | _cupsLangPuts(stderr, | |
0837b7e8 | 207 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
208 | return (1); |
209 | } | |
210 | ||
211 | if (!getcwd(current, 1024)) | |
212 | { | |
213 | _cupsLangPuts(stderr, | |
0837b7e8 | 214 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
215 | free(current); |
216 | return (1); | |
217 | } | |
09ec0018 | 218 | |
ef416fc2 | 219 | cupsdSetStringf(&ConfigurationFile, "%s/%s", current, argv[i]); |
09ec0018 | 220 | free(current); |
ef416fc2 | 221 | } |
222 | break; | |
223 | ||
224 | case 'f' : /* Run in foreground... */ | |
108f7505 MS |
225 | fg = 1; |
226 | disconnect = 0; | |
227 | close_all = 0; | |
ef416fc2 | 228 | break; |
229 | ||
bd7854cb | 230 | case 'F' : /* Run in foreground, but disconnect from terminal... */ |
108f7505 MS |
231 | fg = 1; |
232 | close_all = 0; | |
ef416fc2 | 233 | break; |
234 | ||
a4d04587 | 235 | case 'h' : /* Show usage/help */ |
236 | usage(0); | |
237 | break; | |
238 | ||
1720786e MS |
239 | case 'l' : /* Started by launchd/systemd... */ |
240 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) | |
108f7505 MS |
241 | OnDemand = 1; |
242 | fg = 1; | |
243 | close_all = 0; | |
244 | disconnect = 0; | |
a4d04587 | 245 | #else |
1720786e | 246 | _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled " |
0837b7e8 | 247 | "in, running in normal mode.")); |
108f7505 MS |
248 | fg = 0; |
249 | disconnect = 1; | |
250 | close_all = 1; | |
1720786e | 251 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 252 | break; |
253 | ||
a74454a7 | 254 | case 'p' : /* Stop immediately for profiling */ |
5a662dc0 MS |
255 | fputs("cupsd: -p (startup profiling) is for internal testing " |
256 | "use only!\n", stderr); | |
a74454a7 | 257 | stop_scheduler = 1; |
258 | fg = 1; | |
108f7505 MS |
259 | disconnect = 0; |
260 | close_all = 0; | |
a74454a7 | 261 | break; |
262 | ||
1340db2d | 263 | case 'P' : /* Disable security profiles */ |
8fe0183a MS |
264 | fputs("cupsd: -P (disable sandboxing) is for internal testing use only.\n", stderr); |
265 | UseSandboxing = 0; | |
1340db2d MS |
266 | break; |
267 | ||
c41769ff MS |
268 | case 's' : /* Set cups-files.conf location */ |
269 | i ++; | |
270 | if (i >= argc) | |
271 | { | |
272 | _cupsLangPuts(stderr, _("cupsd: Expected cups-files.conf " | |
273 | "filename after \"-s\" option.")); | |
274 | usage(1); | |
275 | } | |
276 | ||
277 | if (argv[i][0] != '/') | |
278 | { | |
279 | /* | |
280 | * Relative filename not allowed... | |
281 | */ | |
282 | ||
283 | _cupsLangPuts(stderr, _("cupsd: Relative cups-files.conf " | |
284 | "filename not allowed.")); | |
285 | usage(1); | |
286 | } | |
287 | ||
288 | cupsdSetString(&CupsFilesFile, argv[i]); | |
289 | break; | |
290 | ||
68b10830 MS |
291 | #ifdef __APPLE__ |
292 | case 'S' : /* Disable system management functions */ | |
5a662dc0 MS |
293 | fputs("cupsd: -S (disable system management) for internal " |
294 | "testing use only!\n", stderr); | |
68b10830 MS |
295 | use_sysman = 0; |
296 | break; | |
297 | #endif /* __APPLE__ */ | |
298 | ||
2e4ff8af MS |
299 | case 't' : /* Test the cupsd.conf file... */ |
300 | TestConfigFile = 1; | |
301 | fg = 1; | |
108f7505 MS |
302 | disconnect = 0; |
303 | close_all = 0; | |
2e4ff8af MS |
304 | break; |
305 | ||
ef416fc2 | 306 | default : /* Unknown option */ |
a4d04587 | 307 | _cupsLangPrintf(stderr, _("cupsd: Unknown option \"%c\" - " |
0837b7e8 | 308 | "aborting."), *opt); |
a4d04587 | 309 | usage(1); |
ef416fc2 | 310 | break; |
311 | } | |
312 | else | |
313 | { | |
0837b7e8 | 314 | _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."), |
a4d04587 | 315 | argv[i]); |
316 | usage(1); | |
ef416fc2 | 317 | } |
318 | ||
319 | if (!ConfigurationFile) | |
320 | cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf"); | |
321 | ||
cb7f98ee MS |
322 | if (!CupsFilesFile) |
323 | { | |
324 | char *filename, /* Copy of cupsd.conf filename */ | |
325 | *slash; /* Final slash in cupsd.conf filename */ | |
326 | size_t len; /* Size of buffer */ | |
327 | ||
328 | len = strlen(ConfigurationFile) + 15; | |
329 | if ((filename = malloc(len)) == NULL) | |
330 | { | |
331 | _cupsLangPrintf(stderr, | |
332 | _("cupsd: Unable to get path to " | |
333 | "cups-files.conf file.")); | |
334 | return (1); | |
335 | } | |
336 | ||
337 | strlcpy(filename, ConfigurationFile, len); | |
338 | if ((slash = strrchr(filename, '/')) == NULL) | |
339 | { | |
340 | _cupsLangPrintf(stderr, | |
341 | _("cupsd: Unable to get path to " | |
342 | "cups-files.conf file.")); | |
343 | return (1); | |
344 | } | |
345 | ||
7e86f2f6 | 346 | strlcpy(slash, "/cups-files.conf", len - (size_t)(slash - filename)); |
cb7f98ee MS |
347 | cupsdSetString(&CupsFilesFile, filename); |
348 | free(filename); | |
349 | } | |
350 | ||
108f7505 MS |
351 | if (disconnect) |
352 | { | |
353 | /* | |
354 | * Make sure we aren't tying up any filesystems... | |
355 | */ | |
356 | ||
357 | chdir("/"); | |
358 | ||
359 | /* | |
360 | * Disconnect from the controlling terminal... | |
361 | */ | |
362 | ||
363 | setsid(); | |
364 | } | |
365 | ||
366 | if (close_all) | |
367 | { | |
368 | /* | |
369 | * Close all open files... | |
370 | */ | |
371 | ||
372 | getrlimit(RLIMIT_NOFILE, &limit); | |
373 | ||
374 | for (i = 0; i < (int)limit.rlim_cur && i < 1024; i ++) | |
375 | close(i); | |
376 | ||
377 | /* | |
378 | * Redirect stdin/out/err to /dev/null... | |
379 | */ | |
380 | ||
381 | if ((i = open("/dev/null", O_RDONLY)) != 0) | |
382 | { | |
383 | dup2(i, 0); | |
384 | close(i); | |
385 | } | |
386 | ||
387 | if ((i = open("/dev/null", O_WRONLY)) != 1) | |
388 | { | |
389 | dup2(i, 1); | |
390 | close(i); | |
391 | } | |
392 | ||
393 | if ((i = open("/dev/null", O_WRONLY)) != 2) | |
394 | { | |
395 | dup2(i, 2); | |
396 | close(i); | |
397 | } | |
398 | } | |
399 | ||
ef416fc2 | 400 | /* |
108f7505 | 401 | * Run in the background as needed... |
ef416fc2 | 402 | */ |
403 | ||
404 | if (!fg) | |
405 | { | |
406 | /* | |
407 | * Setup signal handlers for the parent... | |
408 | */ | |
409 | ||
410 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
411 | sigset(SIGUSR1, parent_handler); | |
412 | sigset(SIGCHLD, parent_handler); | |
413 | ||
414 | sigset(SIGHUP, SIG_IGN); | |
415 | #elif defined(HAVE_SIGACTION) | |
416 | memset(&action, 0, sizeof(action)); | |
417 | sigemptyset(&action.sa_mask); | |
418 | sigaddset(&action.sa_mask, SIGUSR1); | |
419 | action.sa_handler = parent_handler; | |
420 | sigaction(SIGUSR1, &action, NULL); | |
421 | sigaction(SIGCHLD, &action, NULL); | |
422 | ||
423 | sigemptyset(&action.sa_mask); | |
424 | action.sa_handler = SIG_IGN; | |
425 | sigaction(SIGHUP, &action, NULL); | |
426 | #else | |
427 | signal(SIGUSR1, parent_handler); | |
428 | signal(SIGCLD, parent_handler); | |
429 | ||
430 | signal(SIGHUP, SIG_IGN); | |
431 | #endif /* HAVE_SIGSET */ | |
432 | ||
433 | if (fork() > 0) | |
434 | { | |
435 | /* | |
436 | * OK, wait for the child to startup and send us SIGUSR1 or to crash | |
437 | * and the OS send us SIGCHLD... We also need to ignore SIGHUP which | |
438 | * might be sent by the init script to restart the scheduler... | |
439 | */ | |
440 | ||
441 | for (; parent_signal == 0;) | |
442 | sleep(1); | |
443 | ||
444 | if (parent_signal == SIGUSR1) | |
445 | return (0); | |
446 | ||
447 | if (wait(&i) < 0) | |
448 | { | |
449 | perror("cupsd"); | |
450 | return (1); | |
451 | } | |
452 | else if (WIFEXITED(i)) | |
453 | { | |
4d301e69 | 454 | fprintf(stderr, "cupsd: Child exited with status %d\n", |
bd7854cb | 455 | WEXITSTATUS(i)); |
ef416fc2 | 456 | return (2); |
457 | } | |
458 | else | |
459 | { | |
4d301e69 | 460 | fprintf(stderr, "cupsd: Child exited on signal %d\n", WTERMSIG(i)); |
ef416fc2 | 461 | return (3); |
462 | } | |
463 | } | |
a41f09e2 | 464 | |
3dd9c340 | 465 | #if defined(__OpenBSD__) && OpenBSD < 201211 |
68b10830 MS |
466 | /* |
467 | * Call _thread_sys_closefrom() so the child process doesn't reset the | |
468 | * parent's file descriptors to be blocking. This is a workaround for a | |
3dd9c340 | 469 | * limitation of userland libpthread on older versions of OpenBSD. |
68b10830 | 470 | */ |
ef55b745 | 471 | |
68b10830 | 472 | _thread_sys_closefrom(0); |
3dd9c340 | 473 | #endif /* __OpenBSD__ && OpenBSD < 201211 */ |
68b10830 | 474 | |
a41f09e2 | 475 | /* |
108f7505 MS |
476 | * Since many system libraries create fork-unsafe data on execution of a |
477 | * program, we need to re-execute the background cupsd with the "-C" and "-s" | |
478 | * options to avoid problems. Unfortunately, we also have to assume that | |
479 | * argv[0] contains the name of the cupsd executable - there is no portable | |
480 | * way to get the real pathname... | |
a41f09e2 MS |
481 | */ |
482 | ||
108f7505 | 483 | execlp(argv[0], argv[0], "-C", ConfigurationFile, "-s", CupsFilesFile, (char *)0); |
a41f09e2 | 484 | exit(errno); |
ef416fc2 | 485 | } |
486 | ||
ef416fc2 | 487 | /* |
488 | * Set the timezone info... | |
489 | */ | |
490 | ||
491 | tzset(); | |
492 | ||
493 | #ifdef LC_TIME | |
494 | setlocale(LC_TIME, ""); | |
495 | #endif /* LC_TIME */ | |
496 | ||
0cf0c416 MS |
497 | #ifdef HAVE_DBUS_THREADS_INIT |
498 | /* | |
499 | * Enable threading support for D-BUS... | |
500 | */ | |
501 | ||
e7f455a5 | 502 | dbus_threads_init_default(); |
0cf0c416 MS |
503 | #endif /* HAVE_DBUS_THREADS_INIT */ |
504 | ||
ef416fc2 | 505 | /* |
506 | * Set the maximum number of files... | |
507 | */ | |
508 | ||
509 | getrlimit(RLIMIT_NOFILE, &limit); | |
510 | ||
f7deaa1a | 511 | #if !defined(HAVE_POLL) && !defined(HAVE_EPOLL) && !defined(HAVE_KQUEUE) |
f7faf1f5 | 512 | if (limit.rlim_max > FD_SETSIZE) |
513 | MaxFDs = FD_SETSIZE; | |
ef416fc2 | 514 | else |
f7deaa1a | 515 | #endif /* !HAVE_POLL && !HAVE_EPOLL && !HAVE_KQUEUE */ |
516 | #ifdef RLIM_INFINITY | |
517 | if (limit.rlim_max == RLIM_INFINITY) | |
518 | MaxFDs = 16384; | |
519 | else | |
520 | #endif /* RLIM_INFINITY */ | |
ef416fc2 | 521 | MaxFDs = limit.rlim_max; |
522 | ||
7e86f2f6 | 523 | limit.rlim_cur = (rlim_t)MaxFDs; |
ef416fc2 | 524 | |
525 | setrlimit(RLIMIT_NOFILE, &limit); | |
526 | ||
f7deaa1a | 527 | cupsdStartSelect(); |
ef416fc2 | 528 | |
529 | /* | |
530 | * Read configuration... | |
531 | */ | |
532 | ||
533 | if (!cupsdReadConfiguration()) | |
ef416fc2 | 534 | return (1); |
2e4ff8af MS |
535 | else if (TestConfigFile) |
536 | { | |
cb7f98ee MS |
537 | printf("\"%s\" is OK.\n", CupsFilesFile); |
538 | printf("\"%s\" is OK.\n", ConfigurationFile); | |
2e4ff8af MS |
539 | return (0); |
540 | } | |
ef416fc2 | 541 | |
ba55dc12 MS |
542 | /* |
543 | * Clean out old temp files and printer cache data. | |
544 | */ | |
cc0d019f | 545 | |
ba55dc12 | 546 | if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot))) |
321d8d57 | 547 | cupsdCleanFiles(TempDir, NULL); |
cc0d019f | 548 | |
321d8d57 | 549 | cupsdCleanFiles(CacheDir, "*.ipp"); |
cc0d019f | 550 | |
1720786e MS |
551 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
552 | if (OnDemand) | |
a4d04587 | 553 | { |
554 | /* | |
1720786e MS |
555 | * If we were started on demand by launchd or systemd get the listen sockets |
556 | * file descriptors... | |
f7deaa1a | 557 | */ |
a4d04587 | 558 | |
1720786e MS |
559 | service_checkin(); |
560 | service_checkout(); | |
a4d04587 | 561 | } |
1720786e | 562 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 563 | |
564 | /* | |
565 | * Startup the server... | |
566 | */ | |
567 | ||
6d2f911b MS |
568 | httpInitialize(); |
569 | ||
a4d04587 | 570 | cupsdStartServer(); |
571 | ||
ef416fc2 | 572 | /* |
573 | * Catch hangup and child signals and ignore broken pipes... | |
574 | */ | |
575 | ||
576 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
e1d6a774 | 577 | sigset(SIGCHLD, sigchld_handler); |
4744bd90 | 578 | sigset(SIGHUP, sighup_handler); |
ef416fc2 | 579 | sigset(SIGPIPE, SIG_IGN); |
580 | sigset(SIGTERM, sigterm_handler); | |
581 | #elif defined(HAVE_SIGACTION) | |
582 | memset(&action, 0, sizeof(action)); | |
583 | ||
e1d6a774 | 584 | sigemptyset(&action.sa_mask); |
585 | sigaddset(&action.sa_mask, SIGTERM); | |
586 | sigaddset(&action.sa_mask, SIGCHLD); | |
587 | action.sa_handler = sigchld_handler; | |
588 | sigaction(SIGCHLD, &action, NULL); | |
589 | ||
ef416fc2 | 590 | sigemptyset(&action.sa_mask); |
591 | sigaddset(&action.sa_mask, SIGHUP); | |
4744bd90 | 592 | action.sa_handler = sighup_handler; |
ef416fc2 | 593 | sigaction(SIGHUP, &action, NULL); |
594 | ||
595 | sigemptyset(&action.sa_mask); | |
596 | action.sa_handler = SIG_IGN; | |
597 | sigaction(SIGPIPE, &action, NULL); | |
598 | ||
599 | sigemptyset(&action.sa_mask); | |
600 | sigaddset(&action.sa_mask, SIGTERM); | |
601 | sigaddset(&action.sa_mask, SIGCHLD); | |
602 | action.sa_handler = sigterm_handler; | |
603 | sigaction(SIGTERM, &action, NULL); | |
604 | #else | |
e1d6a774 | 605 | signal(SIGCLD, sigchld_handler); /* No, SIGCLD isn't a typo... */ |
4744bd90 | 606 | signal(SIGHUP, sighup_handler); |
ef416fc2 | 607 | signal(SIGPIPE, SIG_IGN); |
608 | signal(SIGTERM, sigterm_handler); | |
609 | #endif /* HAVE_SIGSET */ | |
610 | ||
ef416fc2 | 611 | /* |
612 | * Initialize authentication certificates... | |
613 | */ | |
614 | ||
615 | cupsdInitCerts(); | |
616 | ||
617 | /* | |
618 | * If we are running in the background, signal the parent process that | |
619 | * we are up and running... | |
620 | */ | |
621 | ||
a41f09e2 | 622 | if (!fg || run_as_child) |
ef416fc2 | 623 | { |
624 | /* | |
625 | * Send a signal to the parent process, but only if the parent is | |
626 | * not PID 1 (init). This avoids accidentally shutting down the | |
627 | * system on OpenBSD if you CTRL-C the server before it is up... | |
628 | */ | |
629 | ||
630 | i = getppid(); /* Save parent PID to avoid race condition */ | |
631 | ||
632 | if (i != 1) | |
633 | kill(i, SIGUSR1); | |
634 | } | |
635 | ||
e1d6a774 | 636 | #ifdef __APPLE__ |
09ec0018 | 637 | /* |
638 | * Start power management framework... | |
639 | */ | |
640 | ||
1340db2d MS |
641 | if (use_sysman) |
642 | cupsdStartSystemMonitor(); | |
e1d6a774 | 643 | #endif /* __APPLE__ */ |
ef416fc2 | 644 | |
49d87452 MS |
645 | /* |
646 | * Send server-started event... | |
647 | */ | |
648 | ||
1720786e MS |
649 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
650 | if (OnDemand) | |
651 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand."); | |
49d87452 | 652 | else |
1720786e | 653 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
49d87452 | 654 | if (fg) |
1720786e | 655 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in foreground."); |
49d87452 | 656 | else |
1720786e | 657 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background."); |
49d87452 | 658 | |
ef416fc2 | 659 | /* |
660 | * Start any pending print jobs... | |
661 | */ | |
662 | ||
663 | cupsdCheckJobs(); | |
664 | ||
665 | /* | |
666 | * Loop forever... | |
667 | */ | |
668 | ||
50fe7201 | 669 | current_time = time(NULL); |
50fe7201 MS |
670 | event_time = current_time; |
671 | expire_time = current_time; | |
ef416fc2 | 672 | fds = 1; |
5bd77a73 | 673 | report_time = 0; |
50fe7201 | 674 | senddoc_time = current_time; |
ef416fc2 | 675 | |
676 | while (!stop_scheduler) | |
677 | { | |
ef416fc2 | 678 | /* |
679 | * Check if there are dead children to handle... | |
680 | */ | |
681 | ||
682 | if (dead_children) | |
683 | process_children(); | |
684 | ||
685 | /* | |
686 | * Check if we need to load the server configuration file... | |
687 | */ | |
688 | ||
689 | if (NeedReload) | |
690 | { | |
691 | /* | |
692 | * Close any idle clients... | |
693 | */ | |
694 | ||
bd7854cb | 695 | if (cupsArrayCount(Clients) > 0) |
ef416fc2 | 696 | { |
bd7854cb | 697 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
698 | con; | |
699 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 700 | if (httpGetState(con->http) == HTTP_WAITING) |
ef416fc2 | 701 | cupsdCloseClient(con); |
ef416fc2 | 702 | else |
996acce8 | 703 | con->http->keep_alive = HTTP_KEEPALIVE_OFF; |
ef416fc2 | 704 | |
705 | cupsdPauseListening(); | |
706 | } | |
707 | ||
ef416fc2 | 708 | /* |
709 | * Restart if all clients are closed and all jobs finished, or | |
710 | * if the reload timeout has elapsed... | |
711 | */ | |
712 | ||
bd7854cb | 713 | if ((cupsArrayCount(Clients) == 0 && |
238c3832 | 714 | (cupsArrayCount(PrintingJobs) == 0 || NeedReload != RELOAD_ALL)) || |
ef416fc2 | 715 | (time(NULL) - ReloadTime) >= ReloadTimeout) |
716 | { | |
a4d04587 | 717 | /* |
718 | * Shutdown the server... | |
719 | */ | |
720 | ||
7cf5915e MS |
721 | DoingShutdown = 1; |
722 | ||
a4d04587 | 723 | cupsdStopServer(); |
724 | ||
725 | /* | |
726 | * Read configuration... | |
727 | */ | |
728 | ||
ef416fc2 | 729 | if (!cupsdReadConfiguration()) |
730 | { | |
731 | syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!", | |
732 | ConfigurationFile); | |
733 | break; | |
734 | } | |
a4d04587 | 735 | |
a4d04587 | 736 | /* |
737 | * Startup the server... | |
738 | */ | |
739 | ||
7cf5915e MS |
740 | DoingShutdown = 0; |
741 | ||
a4d04587 | 742 | cupsdStartServer(); |
49d87452 MS |
743 | |
744 | /* | |
745 | * Send a server-restarted event... | |
746 | */ | |
747 | ||
748 | cupsdAddEvent(CUPSD_EVENT_SERVER_RESTARTED, NULL, NULL, | |
749 | "Scheduler restarted."); | |
ef416fc2 | 750 | } |
751 | } | |
752 | ||
753 | /* | |
f7deaa1a | 754 | * Check for available input or ready output. If cupsdDoSelect() |
755 | * returns 0 or -1, something bad happened and we should exit | |
756 | * immediately. | |
ef416fc2 | 757 | * |
758 | * Note that we at least have one listening socket open at all | |
759 | * times. | |
760 | */ | |
761 | ||
50fe7201 MS |
762 | if ((timeout = select_timeout(fds)) > 1 && LastEvent) |
763 | timeout = 1; | |
ef416fc2 | 764 | |
1720786e | 765 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 766 | /* |
767 | * If no other work is scheduled and we're being controlled by | |
411affcf | 768 | * launchd then timeout after 'LaunchdTimeout' seconds of |
a4d04587 | 769 | * inactivity... |
770 | */ | |
771 | ||
1720786e | 772 | if (timeout == 86400 && OnDemand && IdleExitTimeout && |
bc44d920 | 773 | !cupsArrayCount(ActiveJobs) && |
0627e869 MS |
774 | # ifdef HAVE_SYSTEMD |
775 | !WebInterface && | |
776 | # endif /* HAVE_SYSTEMD */ | |
a2326b5b | 777 | (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers))) |
a4d04587 | 778 | { |
1720786e MS |
779 | timeout = IdleExitTimeout; |
780 | service_idle_exit = 1; | |
a4d04587 | 781 | } |
782 | else | |
1720786e MS |
783 | service_idle_exit = 0; |
784 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
a4d04587 | 785 | |
f7deaa1a | 786 | if ((fds = cupsdDoSelect(timeout)) < 0) |
ef416fc2 | 787 | { |
ef416fc2 | 788 | /* |
789 | * Got an error from select! | |
790 | */ | |
791 | ||
37e7e6e0 | 792 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 793 | cupsd_printer_t *p; /* Current printer */ |
37e7e6e0 | 794 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 795 | |
796 | ||
797 | if (errno == EINTR) /* Just interrupted by a signal */ | |
ef416fc2 | 798 | continue; |
799 | ||
800 | /* | |
801 | * Log all sorts of debug info to help track down the problem. | |
802 | */ | |
803 | ||
f7deaa1a | 804 | cupsdLogMessage(CUPSD_LOG_EMERG, "cupsdDoSelect() failed - %s!", |
ef416fc2 | 805 | strerror(errno)); |
806 | ||
bd7854cb | 807 | for (i = 0, con = (cupsd_client_t *)cupsArrayFirst(Clients); |
808 | con; | |
809 | i ++, con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 810 | cupsdLogMessage(CUPSD_LOG_EMERG, |
811 | "Clients[%d] = %d, file = %d, state = %d", | |
996acce8 | 812 | i, con->number, con->file, httpGetState(con->http)); |
ef416fc2 | 813 | |
bd7854cb | 814 | for (i = 0, lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); |
815 | lis; | |
816 | i ++, lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
ef416fc2 | 817 | cupsdLogMessage(CUPSD_LOG_EMERG, "Listeners[%d] = %d", i, lis->fd); |
818 | ||
923edb68 | 819 | cupsdLogMessage(CUPSD_LOG_EMERG, "CGIPipes[0] = %d", CGIPipes[0]); |
820 | ||
09ec0018 | 821 | #ifdef __APPLE__ |
822 | cupsdLogMessage(CUPSD_LOG_EMERG, "SysEventPipes[0] = %d", | |
823 | SysEventPipes[0]); | |
824 | #endif /* __APPLE__ */ | |
825 | ||
ef416fc2 | 826 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
827 | job; | |
828 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
829 | cupsdLogMessage(CUPSD_LOG_EMERG, "Jobs[%d] = %d < [%d %d] > [%d %d]", | |
830 | job->id, | |
831 | job->status_buffer ? job->status_buffer->fd : -1, | |
832 | job->print_pipes[0], job->print_pipes[1], | |
833 | job->back_pipes[0], job->back_pipes[1]); | |
f7deaa1a | 834 | |
37e7e6e0 | 835 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 836 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); |
837 | p; | |
838 | p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
7a14d768 MS |
839 | cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name, |
840 | p->reg_name ? p->reg_name : "(null)"); | |
37e7e6e0 | 841 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 842 | |
ef416fc2 | 843 | break; |
844 | } | |
845 | ||
846 | current_time = time(NULL); | |
847 | ||
3dfe78b3 MS |
848 | /* |
849 | * Write dirty config/state files... | |
850 | */ | |
851 | ||
852 | if (DirtyCleanTime && current_time >= DirtyCleanTime) | |
3dfe78b3 | 853 | cupsdCleanDirty(); |
3dfe78b3 | 854 | |
e6013cfa MS |
855 | #ifdef __APPLE__ |
856 | /* | |
857 | * If we are going to sleep and still have pending jobs, stop them after | |
858 | * a period of time... | |
859 | */ | |
860 | ||
861 | if (SleepJobs > 0 && current_time >= SleepJobs && | |
862 | cupsArrayCount(PrintingJobs) > 0) | |
863 | { | |
864 | SleepJobs = 0; | |
e60ec91f | 865 | cupsdStopAllJobs(CUPSD_JOB_DEFAULT, 5); |
e6013cfa MS |
866 | } |
867 | #endif /* __APPLE__ */ | |
868 | ||
a4924f6c MS |
869 | #ifndef __APPLE__ |
870 | /* | |
871 | * Update the network interfaces once a minute... | |
872 | */ | |
873 | ||
874 | if ((current_time - netif_time) >= 60) | |
875 | { | |
876 | netif_time = current_time; | |
877 | NetIFUpdate = 1; | |
878 | } | |
879 | #endif /* !__APPLE__ */ | |
880 | ||
1720786e | 881 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 882 | /* |
411affcf | 883 | * If no other work was scheduled and we're being controlled by launchd |
a4d04587 | 884 | * then timeout after 'LaunchdTimeout' seconds of inactivity... |
885 | */ | |
886 | ||
1720786e | 887 | if (!fds && service_idle_exit) |
a4d04587 | 888 | { |
889 | cupsdLogMessage(CUPSD_LOG_INFO, | |
890 | "Printer sharing is off and there are no jobs pending, " | |
891 | "will restart on demand."); | |
892 | stop_scheduler = 1; | |
893 | break; | |
894 | } | |
1720786e | 895 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 896 | |
76cd9e37 MS |
897 | /* |
898 | * Resume listening for new connections as needed... | |
899 | */ | |
900 | ||
901 | if (ListeningPaused && ListeningPaused <= current_time && | |
902 | cupsArrayCount(Clients) < MaxClients) | |
903 | cupsdResumeListening(); | |
904 | ||
ef416fc2 | 905 | /* |
bd7854cb | 906 | * Expire subscriptions and unload completed jobs as needed... |
ef416fc2 | 907 | */ |
908 | ||
bd7854cb | 909 | if (current_time > expire_time) |
ef416fc2 | 910 | { |
bd7854cb | 911 | if (cupsArrayCount(Subscriptions) > 0) |
912 | cupsdExpireSubscriptions(NULL, NULL); | |
913 | ||
914 | cupsdUnloadCompletedJobs(); | |
ef416fc2 | 915 | |
916 | expire_time = current_time; | |
917 | } | |
918 | ||
07ed0e9a | 919 | #ifndef HAVE_AUTHORIZATION_H |
ef416fc2 | 920 | /* |
f7deaa1a | 921 | * Update the root certificate once every 5 minutes if we have client |
922 | * connections... | |
ef416fc2 | 923 | */ |
924 | ||
f7deaa1a | 925 | if ((current_time - RootCertTime) >= RootCertDuration && RootCertDuration && |
926 | !RunUser && cupsArrayCount(Clients)) | |
927 | { | |
928 | /* | |
929 | * Update the root certificate... | |
930 | */ | |
931 | ||
932 | cupsdDeleteCert(0); | |
0fa6c7fa | 933 | cupsdAddCert(0, "root", cupsdDefaultAuthType()); |
f7deaa1a | 934 | } |
07ed0e9a | 935 | #endif /* !HAVE_AUTHORIZATION_H */ |
ef416fc2 | 936 | |
937 | /* | |
938 | * Check for new data on the client sockets... | |
939 | */ | |
940 | ||
bd7854cb | 941 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
942 | con; | |
943 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 944 | { |
945 | /* | |
f7deaa1a | 946 | * Process pending data in the input buffer... |
ef416fc2 | 947 | */ |
948 | ||
1720786e | 949 | if (httpGetReady(con->http)) |
ef416fc2 | 950 | { |
f7deaa1a | 951 | cupsdReadClient(con); |
952 | continue; | |
ef416fc2 | 953 | } |
954 | ||
955 | /* | |
956 | * Check the activity and close old clients... | |
957 | */ | |
958 | ||
959 | activity = current_time - Timeout; | |
1720786e | 960 | if (httpGetActivity(con->http) < activity && !con->pipe_pid) |
ef416fc2 | 961 | { |
1720786e | 962 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout); |
ef416fc2 | 963 | |
964 | cupsdCloseClient(con); | |
ef416fc2 | 965 | continue; |
966 | } | |
967 | } | |
968 | ||
969 | /* | |
970 | * Update any pending multi-file documents... | |
971 | */ | |
972 | ||
973 | if ((current_time - senddoc_time) >= 10) | |
974 | { | |
975 | cupsdCheckJobs(); | |
976 | senddoc_time = current_time; | |
977 | } | |
978 | ||
82cc1f9a MS |
979 | /* |
980 | * Clean job history... | |
981 | */ | |
982 | ||
983 | if (JobHistoryUpdate && current_time >= JobHistoryUpdate) | |
984 | cupsdCleanJobs(); | |
985 | ||
ef416fc2 | 986 | /* |
5bd77a73 | 987 | * Log statistics at most once a minute when in debug mode... |
ef416fc2 | 988 | */ |
989 | ||
5bd77a73 | 990 | if ((current_time - report_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 991 | { |
5bd77a73 MS |
992 | size_t string_count, /* String count */ |
993 | alloc_bytes, /* Allocated string bytes */ | |
994 | total_bytes; /* Total string bytes */ | |
4400e98d | 995 | #ifdef HAVE_MALLINFO |
5bd77a73 | 996 | struct mallinfo mem; /* Malloc information */ |
ef416fc2 | 997 | |
998 | ||
999 | mem = mallinfo(); | |
5bd77a73 MS |
1000 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-arena=%lu", mem.arena); |
1001 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-used=%lu", | |
1002 | mem.usmblks + mem.uordblks); | |
1003 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-free=%lu", | |
ef416fc2 | 1004 | mem.fsmblks + mem.fordblks); |
4400e98d | 1005 | #endif /* HAVE_MALLINFO */ |
1006 | ||
5bd77a73 MS |
1007 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: clients=%d", |
1008 | cupsArrayCount(Clients)); | |
1009 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs=%d", | |
1010 | cupsArrayCount(Jobs)); | |
1011 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs-active=%d", | |
1012 | cupsArrayCount(ActiveJobs)); | |
1013 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers=%d", | |
1014 | cupsArrayCount(Printers)); | |
5bd77a73 | 1015 | |
757d2cad | 1016 | string_count = _cupsStrStatistics(&alloc_bytes, &total_bytes); |
5bd77a73 MS |
1017 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
1018 | "Report: stringpool-string-count=" CUPS_LLFMT, | |
1019 | CUPS_LLCAST string_count); | |
1020 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1021 | "Report: stringpool-alloc-bytes=" CUPS_LLFMT, | |
1022 | CUPS_LLCAST alloc_bytes); | |
1023 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1024 | "Report: stringpool-total-bytes=" CUPS_LLFMT, | |
4400e98d | 1025 | CUPS_LLCAST total_bytes); |
1026 | ||
5bd77a73 | 1027 | report_time = current_time; |
ef416fc2 | 1028 | } |
ef416fc2 | 1029 | |
fa73b229 | 1030 | /* |
1031 | * Handle OS-specific event notification for any events that have | |
1032 | * accumulated. Don't send these more than once a second... | |
1033 | */ | |
1034 | ||
50fe7201 | 1035 | if (LastEvent && (current_time - event_time) >= 1) |
fa73b229 | 1036 | { |
1037 | #ifdef HAVE_NOTIFY_POST | |
a41f09e2 MS |
1038 | if (LastEvent & (CUPSD_EVENT_PRINTER_ADDED | |
1039 | CUPSD_EVENT_PRINTER_DELETED | | |
1040 | CUPSD_EVENT_PRINTER_MODIFIED)) | |
fa73b229 | 1041 | { |
e00b005a | 1042 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1043 | "notify_post(\"com.apple.printerListChange\")"); |
1044 | notify_post("com.apple.printerListChange"); | |
1045 | } | |
1046 | ||
1047 | if (LastEvent & CUPSD_EVENT_PRINTER_STATE_CHANGED) | |
1048 | { | |
e00b005a | 1049 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1050 | "notify_post(\"com.apple.printerHistoryChange\")"); |
1051 | notify_post("com.apple.printerHistoryChange"); | |
1052 | } | |
1053 | ||
1054 | if (LastEvent & (CUPSD_EVENT_JOB_STATE_CHANGED | | |
1055 | CUPSD_EVENT_JOB_CONFIG_CHANGED | | |
1056 | CUPSD_EVENT_JOB_PROGRESS)) | |
1057 | { | |
e00b005a | 1058 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1059 | "notify_post(\"com.apple.jobChange\")"); |
1060 | notify_post("com.apple.jobChange"); | |
1061 | } | |
1062 | #endif /* HAVE_NOTIFY_POST */ | |
1063 | ||
1064 | /* | |
e53920b9 | 1065 | * Reset the accumulated events... |
fa73b229 | 1066 | */ |
1067 | ||
50fe7201 MS |
1068 | LastEvent = CUPSD_EVENT_NONE; |
1069 | event_time = current_time; | |
fa73b229 | 1070 | } |
ef416fc2 | 1071 | } |
1072 | ||
1073 | /* | |
1074 | * Log a message based on what happened... | |
1075 | */ | |
1076 | ||
1077 | if (stop_scheduler) | |
49d87452 | 1078 | { |
ef416fc2 | 1079 | cupsdLogMessage(CUPSD_LOG_INFO, "Scheduler shutting down normally."); |
49d87452 MS |
1080 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1081 | "Scheduler shutting down normally."); | |
1082 | } | |
ef416fc2 | 1083 | else |
49d87452 | 1084 | { |
ef416fc2 | 1085 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1086 | "Scheduler shutting down due to program error."); | |
49d87452 MS |
1087 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1088 | "Scheduler shutting down due to program error."); | |
1089 | } | |
ef416fc2 | 1090 | |
1091 | /* | |
7ff4fea9 | 1092 | * Close all network clients... |
ef416fc2 | 1093 | */ |
1094 | ||
7cf5915e MS |
1095 | DoingShutdown = 1; |
1096 | ||
ef416fc2 | 1097 | cupsdStopServer(); |
1098 | ||
1720786e | 1099 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
7ff4fea9 | 1100 | /* |
1720786e | 1101 | * Update the keep-alive file as needed... |
7ff4fea9 MS |
1102 | */ |
1103 | ||
1720786e MS |
1104 | if (OnDemand) |
1105 | service_checkout(); | |
1106 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
7ff4fea9 MS |
1107 | |
1108 | /* | |
1109 | * Stop all jobs... | |
1110 | */ | |
1111 | ||
bd7854cb | 1112 | cupsdFreeAllJobs(); |
ef416fc2 | 1113 | |
e1d6a774 | 1114 | #ifdef __APPLE__ |
7ff4fea9 MS |
1115 | /* |
1116 | * Stop monitoring system event monitoring... | |
1117 | */ | |
1118 | ||
1340db2d MS |
1119 | if (use_sysman) |
1120 | cupsdStopSystemMonitor(); | |
e1d6a774 | 1121 | #endif /* __APPLE__ */ |
09ec0018 | 1122 | |
f7deaa1a | 1123 | cupsdStopSelect(); |
ef416fc2 | 1124 | |
1125 | return (!stop_scheduler); | |
1126 | } | |
1127 | ||
1128 | ||
10d09e33 MS |
1129 | /* |
1130 | * 'cupsdAddString()' - Copy and add a string to an array. | |
1131 | */ | |
1132 | ||
1133 | int /* O - 1 on success, 0 on failure */ | |
1134 | cupsdAddString(cups_array_t **a, /* IO - String array */ | |
1135 | const char *s) /* I - String to copy and add */ | |
1136 | { | |
1137 | if (!*a) | |
1138 | *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL, | |
1139 | (cups_ahash_func_t)NULL, 0, | |
1140 | (cups_acopy_func_t)_cupsStrAlloc, | |
1141 | (cups_afree_func_t)_cupsStrFree); | |
1142 | ||
1143 | return (cupsArrayAdd(*a, (char *)s)); | |
1144 | } | |
1145 | ||
1146 | ||
d7871c8c MS |
1147 | /* |
1148 | * 'cupsdCheckProcess()' - Tell the main loop to check for dead children. | |
1149 | */ | |
1150 | ||
1151 | void | |
1152 | cupsdCheckProcess(void) | |
1153 | { | |
1154 | /* | |
1155 | * Flag that we have dead children... | |
1156 | */ | |
1157 | ||
1158 | dead_children = 1; | |
1159 | } | |
1160 | ||
1161 | ||
10d09e33 MS |
1162 | /* |
1163 | * 'cupsdClearString()' - Clear a string. | |
1164 | */ | |
1165 | ||
1166 | void | |
1167 | cupsdClearString(char **s) /* O - String value */ | |
1168 | { | |
1169 | if (s && *s) | |
1170 | { | |
1171 | _cupsStrFree(*s); | |
1172 | *s = NULL; | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | ||
10d09e33 MS |
1177 | /* |
1178 | * 'cupsdFreeStrings()' - Free an array of strings. | |
1179 | */ | |
1180 | ||
1181 | void | |
1182 | cupsdFreeStrings(cups_array_t **a) /* IO - String array */ | |
1183 | { | |
1184 | if (*a) | |
1185 | { | |
1186 | cupsArrayDelete(*a); | |
1187 | *a = NULL; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | ||
1192 | /* | |
1193 | * 'cupsdHoldSignals()' - Hold child and termination signals. | |
1194 | */ | |
1195 | ||
1196 | void | |
1197 | cupsdHoldSignals(void) | |
1198 | { | |
1199 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
1200 | sigset_t newmask; /* New POSIX signal mask */ | |
1201 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
1202 | ||
1203 | ||
1204 | holdcount ++; | |
1205 | if (holdcount > 1) | |
1206 | return; | |
1207 | ||
1208 | #ifdef HAVE_SIGSET | |
1209 | sighold(SIGTERM); | |
1210 | sighold(SIGCHLD); | |
1211 | #elif defined(HAVE_SIGACTION) | |
1212 | sigemptyset(&newmask); | |
1213 | sigaddset(&newmask, SIGTERM); | |
1214 | sigaddset(&newmask, SIGCHLD); | |
1215 | sigprocmask(SIG_BLOCK, &newmask, &holdmask); | |
1216 | #endif /* HAVE_SIGSET */ | |
1217 | } | |
1218 | ||
1219 | ||
ef416fc2 | 1220 | /* |
1221 | * 'cupsdReleaseSignals()' - Release signals for delivery. | |
1222 | */ | |
1223 | ||
1224 | void | |
1225 | cupsdReleaseSignals(void) | |
1226 | { | |
1227 | holdcount --; | |
1228 | if (holdcount > 0) | |
1229 | return; | |
1230 | ||
1231 | #ifdef HAVE_SIGSET | |
1232 | sigrelse(SIGTERM); | |
1233 | sigrelse(SIGCHLD); | |
1234 | #elif defined(HAVE_SIGACTION) | |
1235 | sigprocmask(SIG_SETMASK, &holdmask, NULL); | |
1236 | #endif /* HAVE_SIGSET */ | |
1237 | } | |
1238 | ||
1239 | ||
1240 | /* | |
1241 | * 'cupsdSetString()' - Set a string value. | |
1242 | */ | |
1243 | ||
1244 | void | |
1245 | cupsdSetString(char **s, /* O - New string */ | |
1246 | const char *v) /* I - String value */ | |
1247 | { | |
1248 | if (!s || *s == v) | |
1249 | return; | |
1250 | ||
1251 | if (*s) | |
e53920b9 | 1252 | _cupsStrFree(*s); |
ef416fc2 | 1253 | |
1254 | if (v) | |
e53920b9 | 1255 | *s = _cupsStrAlloc(v); |
ef416fc2 | 1256 | else |
1257 | *s = NULL; | |
1258 | } | |
1259 | ||
1260 | ||
1261 | /* | |
1262 | * 'cupsdSetStringf()' - Set a formatted string value. | |
1263 | */ | |
1264 | ||
1265 | void | |
1266 | cupsdSetStringf(char **s, /* O - New string */ | |
1267 | const char *f, /* I - Printf-style format string */ | |
1268 | ...) /* I - Additional args as needed */ | |
1269 | { | |
94436c5a | 1270 | char v[65536 + 64]; /* Formatting string value */ |
ef416fc2 | 1271 | va_list ap; /* Argument pointer */ |
1272 | char *olds; /* Old string */ | |
1273 | ||
1274 | ||
1275 | if (!s) | |
1276 | return; | |
1277 | ||
1278 | olds = *s; | |
1279 | ||
1280 | if (f) | |
1281 | { | |
1282 | va_start(ap, f); | |
1283 | vsnprintf(v, sizeof(v), f, ap); | |
1284 | va_end(ap); | |
1285 | ||
e53920b9 | 1286 | *s = _cupsStrAlloc(v); |
ef416fc2 | 1287 | } |
1288 | else | |
1289 | *s = NULL; | |
1290 | ||
1291 | if (olds) | |
e53920b9 | 1292 | _cupsStrFree(olds); |
ef416fc2 | 1293 | } |
1294 | ||
1295 | ||
1296 | /* | |
1297 | * 'parent_handler()' - Catch USR1/CHLD signals... | |
1298 | */ | |
1299 | ||
1300 | static void | |
1301 | parent_handler(int sig) /* I - Signal */ | |
1302 | { | |
1303 | /* | |
1304 | * Store the signal we got from the OS and return... | |
1305 | */ | |
1306 | ||
1307 | parent_signal = sig; | |
1308 | } | |
1309 | ||
1310 | ||
1311 | /* | |
1312 | * 'process_children()' - Process all dead children... | |
1313 | */ | |
1314 | ||
1315 | static void | |
1316 | process_children(void) | |
1317 | { | |
1318 | int status; /* Exit status of child */ | |
b9faaae1 MS |
1319 | int pid, /* Process ID of child */ |
1320 | job_id; /* Job ID of child */ | |
ef416fc2 | 1321 | cupsd_job_t *job; /* Current job */ |
1322 | int i; /* Looping var */ | |
e00b005a | 1323 | char name[1024]; /* Process name */ |
dcb445bc | 1324 | const char *type; /* Type of program */ |
ef416fc2 | 1325 | |
1326 | ||
1327 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()"); | |
1328 | ||
1329 | /* | |
1330 | * Reset the dead_children flag... | |
1331 | */ | |
1332 | ||
1333 | dead_children = 0; | |
1334 | ||
1335 | /* | |
1336 | * Collect the exit status of some children... | |
1337 | */ | |
1338 | ||
1339 | #ifdef HAVE_WAITPID | |
1340 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) | |
1341 | #elif defined(HAVE_WAIT3) | |
1342 | while ((pid = wait3(&status, WNOHANG, NULL)) > 0) | |
1343 | #else | |
1344 | if ((pid = wait(&status)) > 0) | |
1345 | #endif /* HAVE_WAITPID */ | |
1346 | { | |
ef416fc2 | 1347 | /* |
745129be | 1348 | * Collect the name of the process that finished... |
ef416fc2 | 1349 | */ |
1350 | ||
b9faaae1 | 1351 | cupsdFinishProcess(pid, name, sizeof(name), &job_id); |
e00b005a | 1352 | |
ef416fc2 | 1353 | /* |
1354 | * Delete certificates for CGI processes... | |
1355 | */ | |
1356 | ||
1357 | if (pid) | |
1358 | cupsdDeleteCert(pid); | |
1359 | ||
1360 | /* | |
b9faaae1 | 1361 | * Handle completed job filters... |
ef416fc2 | 1362 | */ |
1363 | ||
dcb445bc MS |
1364 | if (job_id > 0) |
1365 | job = cupsdFindJob(job_id); | |
1366 | else | |
1367 | job = NULL; | |
1368 | ||
1369 | if (job) | |
b9faaae1 MS |
1370 | { |
1371 | for (i = 0; job->filters[i]; i ++) | |
1372 | if (job->filters[i] == pid) | |
1373 | break; | |
1374 | ||
1375 | if (job->filters[i] || job->backend == pid) | |
ef416fc2 | 1376 | { |
b9faaae1 MS |
1377 | /* |
1378 | * OK, this process has gone away; what's left? | |
1379 | */ | |
1380 | ||
1381 | if (job->filters[i]) | |
dcb445bc | 1382 | { |
b9faaae1 | 1383 | job->filters[i] = -pid; |
dcb445bc MS |
1384 | type = "Filter"; |
1385 | } | |
b9faaae1 | 1386 | else |
dcb445bc | 1387 | { |
b9faaae1 | 1388 | job->backend = -pid; |
dcb445bc MS |
1389 | type = "Backend"; |
1390 | } | |
ef416fc2 | 1391 | |
b9faaae1 | 1392 | if (status && status != SIGTERM && status != SIGKILL && |
f3c17241 | 1393 | status != SIGPIPE) |
ef416fc2 | 1394 | { |
1395 | /* | |
b9faaae1 MS |
1396 | * An error occurred; save the exit status so we know to stop |
1397 | * the printer or cancel the job when all of the filters finish... | |
1398 | * | |
1399 | * A negative status indicates that the backend failed and the | |
1400 | * printer needs to be stopped. | |
f3c17241 MS |
1401 | * |
1402 | * In order to preserve the most serious status, we always log | |
1403 | * when a process dies due to a signal (e.g. SIGABRT, SIGSEGV, | |
1404 | * and SIGBUS) and prefer to log the backend exit status over a | |
1405 | * filter's. | |
ef416fc2 | 1406 | */ |
1407 | ||
f3c17241 MS |
1408 | int old_status = abs(job->status); |
1409 | ||
1410 | if (WIFSIGNALED(status) || /* This process crashed, or */ | |
1411 | !job->status || /* No process had a status, or */ | |
1412 | (!job->filters[i] && WIFEXITED(old_status))) | |
1413 | { /* Backend and filter didn't crash */ | |
1414 | if (job->filters[i]) | |
1415 | job->status = status; /* Filter failed */ | |
1416 | else | |
1417 | job->status = -status; /* Backend failed */ | |
1418 | } | |
ef416fc2 | 1419 | |
f11a948a | 1420 | if (job->state_value == IPP_JOB_PROCESSING && |
dcb445bc MS |
1421 | job->status_level > CUPSD_LOG_ERROR && |
1422 | (job->filters[i] || !WIFEXITED(status))) | |
ef416fc2 | 1423 | { |
f11a948a MS |
1424 | char message[1024]; /* New printer-state-message */ |
1425 | ||
1426 | ||
b9faaae1 | 1427 | job->status_level = CUPSD_LOG_ERROR; |
ef416fc2 | 1428 | |
dcb445bc | 1429 | snprintf(message, sizeof(message), "%s failed", type); |
f11a948a | 1430 | |
e07d4801 MS |
1431 | if (job->printer) |
1432 | { | |
f11a948a MS |
1433 | strlcpy(job->printer->state_message, message, |
1434 | sizeof(job->printer->state_message)); | |
e07d4801 MS |
1435 | } |
1436 | ||
1437 | if (!job->attrs) | |
1438 | cupsdLoadJob(job); | |
e00b005a | 1439 | |
e07d4801 | 1440 | if (!job->printer_message && job->attrs) |
e00b005a | 1441 | { |
b9faaae1 MS |
1442 | if ((job->printer_message = |
1443 | ippFindAttribute(job->attrs, "job-printer-state-message", | |
1444 | IPP_TAG_TEXT)) == NULL) | |
1445 | job->printer_message = ippAddString(job->attrs, IPP_TAG_JOB, | |
1446 | IPP_TAG_TEXT, | |
1447 | "job-printer-state-message", | |
5a662dc0 | 1448 | NULL, NULL); |
e00b005a | 1449 | } |
b9faaae1 | 1450 | |
e07d4801 MS |
1451 | if (job->printer_message) |
1452 | cupsdSetString(&(job->printer_message->values[0].string.text), | |
f11a948a | 1453 | message); |
ef416fc2 | 1454 | } |
b9faaae1 | 1455 | } |
ef416fc2 | 1456 | |
b9faaae1 MS |
1457 | /* |
1458 | * If this is not the last file in a job, see if all of the | |
1459 | * filters are done, and if so move to the next file. | |
1460 | */ | |
ef416fc2 | 1461 | |
5a662dc0 | 1462 | if (job->current_file < job->num_files && job->printer) |
b9faaae1 MS |
1463 | { |
1464 | for (i = 0; job->filters[i] < 0; i ++); | |
ef416fc2 | 1465 | |
82f97232 MS |
1466 | if (!job->filters[i] && |
1467 | (!job->printer->pc || !job->printer->pc->single_file || | |
1468 | job->backend <= 0)) | |
b9faaae1 MS |
1469 | { |
1470 | /* | |
1471 | * Process the next file... | |
1472 | */ | |
ef416fc2 | 1473 | |
b9faaae1 | 1474 | cupsdContinueJob(job); |
ef416fc2 | 1475 | } |
ef416fc2 | 1476 | } |
5a662dc0 | 1477 | else if (job->state_value >= IPP_JOB_CANCELED) |
7a0cbd5e MS |
1478 | { |
1479 | /* | |
1480 | * Remove the job from the active list if there are no processes still | |
1481 | * running for it... | |
1482 | */ | |
1483 | ||
1484 | for (i = 0; job->filters[i] < 0; i++); | |
1485 | ||
1486 | if (!job->filters[i] && job->backend <= 0) | |
1487 | cupsArrayRemove(ActiveJobs, job); | |
1488 | } | |
ef416fc2 | 1489 | } |
b9faaae1 | 1490 | } |
3dfe78b3 MS |
1491 | |
1492 | /* | |
745129be MS |
1493 | * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors |
1494 | * since they come when we kill/end a process... | |
3dfe78b3 MS |
1495 | */ |
1496 | ||
745129be MS |
1497 | if (status == SIGTERM || status == SIGKILL) |
1498 | { | |
dcb445bc MS |
1499 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1500 | "PID %d (%s) was terminated normally with signal %d.", pid, | |
1501 | name, status); | |
745129be | 1502 | } |
5a6b583a MS |
1503 | else if (status == SIGPIPE) |
1504 | { | |
dcb445bc MS |
1505 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1506 | "PID %d (%s) did not catch or ignore signal %d.", pid, name, | |
1507 | status); | |
5a6b583a | 1508 | } |
745129be | 1509 | else if (status) |
3dfe78b3 MS |
1510 | { |
1511 | if (WIFEXITED(status)) | |
88f9aafc MS |
1512 | { |
1513 | int code = WEXITSTATUS(status); /* Exit code */ | |
1514 | ||
1515 | if (code > 100) | |
dcb445bc MS |
1516 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1517 | "PID %d (%s) stopped with status %d (%s)", pid, name, | |
1518 | code, strerror(code - 100)); | |
88f9aafc | 1519 | else |
dcb445bc MS |
1520 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1521 | "PID %d (%s) stopped with status %d.", pid, name, code); | |
88f9aafc | 1522 | } |
3dfe78b3 | 1523 | else |
dcb445bc MS |
1524 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) crashed on signal %d.", |
1525 | pid, name, WTERMSIG(status)); | |
3dfe78b3 MS |
1526 | |
1527 | if (LogLevel < CUPSD_LOG_DEBUG) | |
dcb445bc MS |
1528 | cupsdLogJob(job, CUPSD_LOG_INFO, |
1529 | "Hint: Try setting the LogLevel to \"debug\" to find out " | |
1530 | "more."); | |
3dfe78b3 MS |
1531 | } |
1532 | else | |
dcb445bc MS |
1533 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.", |
1534 | pid, name); | |
ef416fc2 | 1535 | } |
dfd5680b MS |
1536 | |
1537 | /* | |
1538 | * If wait*() is interrupted by a signal, tell main() to call us again... | |
1539 | */ | |
1540 | ||
1541 | if (pid < 0 && errno == EINTR) | |
1542 | dead_children = 1; | |
ef416fc2 | 1543 | } |
1544 | ||
1545 | ||
ef416fc2 | 1546 | /* |
1547 | * 'select_timeout()' - Calculate the select timeout value. | |
1548 | * | |
1549 | */ | |
1550 | ||
1551 | static long /* O - Number of seconds */ | |
bd7854cb | 1552 | select_timeout(int fds) /* I - Number of descriptors returned */ |
ef416fc2 | 1553 | { |
ef416fc2 | 1554 | long timeout; /* Timeout for select */ |
1555 | time_t now; /* Current time */ | |
1556 | cupsd_client_t *con; /* Client information */ | |
ef416fc2 | 1557 | cupsd_job_t *job; /* Job information */ |
1558 | cupsd_subscription_t *sub; /* Subscription information */ | |
1559 | const char *why; /* Debugging aid */ | |
1560 | ||
1561 | ||
82cc1f9a MS |
1562 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout: JobHistoryUpdate=%ld", |
1563 | (long)JobHistoryUpdate); | |
1564 | ||
ef416fc2 | 1565 | /* |
1566 | * Check to see if any of the clients have pending data to be | |
1567 | * processed; if so, the timeout should be 0... | |
1568 | */ | |
1569 | ||
bd7854cb | 1570 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1571 | con; | |
1572 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1573 | if (httpGetReady(con->http)) |
ef416fc2 | 1574 | return (0); |
1575 | ||
1576 | /* | |
f7deaa1a | 1577 | * If select has been active in the last second (fds > 0) or we have |
ef416fc2 | 1578 | * many resources in use then don't bother trying to optimize the |
1579 | * timeout, just make it 1 second. | |
1580 | */ | |
1581 | ||
f7deaa1a | 1582 | if (fds > 0 || cupsArrayCount(Clients) > 50) |
ef416fc2 | 1583 | return (1); |
1584 | ||
1585 | /* | |
1586 | * Otherwise, check all of the possible events that we need to wake for... | |
1587 | */ | |
1588 | ||
1589 | now = time(NULL); | |
1590 | timeout = now + 86400; /* 86400 == 1 day */ | |
1591 | why = "do nothing"; | |
1592 | ||
e6013cfa MS |
1593 | #ifdef __APPLE__ |
1594 | /* | |
1595 | * When going to sleep, wake up to cancel jobs that don't complete in time. | |
1596 | */ | |
1597 | ||
1598 | if (SleepJobs > 0 && SleepJobs < timeout) | |
1599 | { | |
1600 | timeout = SleepJobs; | |
1601 | why = "cancel jobs before sleeping"; | |
1602 | } | |
1603 | #endif /* __APPLE__ */ | |
1604 | ||
76cd9e37 MS |
1605 | /* |
1606 | * Check whether we are accepting new connections... | |
1607 | */ | |
1608 | ||
1609 | if (ListeningPaused > 0 && cupsArrayCount(Clients) < MaxClients && | |
1610 | ListeningPaused < timeout) | |
1611 | { | |
1612 | if (ListeningPaused <= now) | |
1613 | timeout = now; | |
1614 | else | |
1615 | timeout = ListeningPaused; | |
1616 | ||
1617 | why = "resume listening"; | |
1618 | } | |
1619 | ||
ef416fc2 | 1620 | /* |
1621 | * Check the activity and close old clients... | |
1622 | */ | |
1623 | ||
bd7854cb | 1624 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1625 | con; | |
1626 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1627 | if ((httpGetActivity(con->http) + Timeout) < timeout) |
ef416fc2 | 1628 | { |
1720786e | 1629 | timeout = httpGetActivity(con->http) + Timeout; |
ef416fc2 | 1630 | why = "timeout a client connection"; |
1631 | } | |
1632 | ||
3dfe78b3 | 1633 | /* |
bf3816c7 | 1634 | * Write out changes to configuration and state files... |
3dfe78b3 MS |
1635 | */ |
1636 | ||
1637 | if (DirtyCleanTime && timeout > DirtyCleanTime) | |
1638 | { | |
1639 | timeout = DirtyCleanTime; | |
1640 | why = "write dirty config/state files"; | |
1641 | } | |
1642 | ||
ef416fc2 | 1643 | /* |
82cc1f9a | 1644 | * Check for any job activity... |
ef416fc2 | 1645 | */ |
1646 | ||
82cc1f9a MS |
1647 | if (JobHistoryUpdate && timeout > JobHistoryUpdate) |
1648 | { | |
1649 | timeout = JobHistoryUpdate; | |
1650 | why = "update job history"; | |
1651 | } | |
1652 | ||
238c3832 MS |
1653 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
1654 | job; | |
1655 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
ef416fc2 | 1656 | { |
82cc1f9a MS |
1657 | if (job->cancel_time && job->cancel_time < timeout) |
1658 | { | |
1659 | timeout = job->cancel_time; | |
1660 | why = "cancel stuck jobs"; | |
1661 | } | |
1662 | ||
238c3832 MS |
1663 | if (job->kill_time && job->kill_time < timeout) |
1664 | { | |
1665 | timeout = job->kill_time; | |
1666 | why = "kill unresponsive jobs"; | |
1667 | } | |
82cc1f9a MS |
1668 | |
1669 | if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout) | |
238c3832 MS |
1670 | { |
1671 | timeout = job->hold_until; | |
1672 | why = "release held jobs"; | |
1673 | } | |
82cc1f9a MS |
1674 | |
1675 | if (job->state_value == IPP_JOB_PENDING && timeout > (now + 10)) | |
238c3832 MS |
1676 | { |
1677 | timeout = now + 10; | |
1678 | why = "start pending jobs"; | |
1679 | break; | |
1680 | } | |
ef416fc2 | 1681 | } |
1682 | ||
1683 | #ifdef HAVE_MALLINFO | |
1684 | /* | |
1685 | * Log memory usage every minute... | |
1686 | */ | |
1687 | ||
1688 | if (LogLevel >= CUPSD_LOG_DEBUG && (mallinfo_time + 60) < timeout) | |
1689 | { | |
1690 | timeout = mallinfo_time + 60; | |
1691 | why = "display memory usage"; | |
1692 | } | |
1693 | #endif /* HAVE_MALLINFO */ | |
1694 | ||
ef416fc2 | 1695 | /* |
1696 | * Expire subscriptions as needed... | |
1697 | */ | |
1698 | ||
1699 | for (sub = (cupsd_subscription_t *)cupsArrayFirst(Subscriptions); | |
1700 | sub; | |
1701 | sub = (cupsd_subscription_t *)cupsArrayNext(Subscriptions)) | |
bd7854cb | 1702 | if (!sub->job && sub->expire && sub->expire < timeout) |
ef416fc2 | 1703 | { |
1704 | timeout = sub->expire; | |
1705 | why = "expire subscription"; | |
1706 | } | |
1707 | ||
1708 | /* | |
dcb445bc MS |
1709 | * Adjust from absolute to relative time. We add 1 second to the timeout since |
1710 | * events occur after the timeout expires, and limit the timeout to 86400 | |
1711 | * seconds (1 day) to avoid select() timeout limits present on some operating | |
ef416fc2 | 1712 | * systems... |
1713 | */ | |
1714 | ||
1715 | timeout = timeout - now + 1; | |
1716 | ||
1717 | if (timeout < 1) | |
1718 | timeout = 1; | |
1719 | else if (timeout > 86400) | |
1720 | timeout = 86400; | |
1721 | ||
1722 | /* | |
1723 | * Log and return the timeout value... | |
1724 | */ | |
1725 | ||
f7deaa1a | 1726 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout(%d): %ld seconds to %s", |
1727 | fds, timeout, why); | |
ef416fc2 | 1728 | |
1729 | return (timeout); | |
1730 | } | |
1731 | ||
1732 | ||
e6013cfa MS |
1733 | /* |
1734 | * 'sigchld_handler()' - Handle 'child' signals from old processes. | |
1735 | */ | |
1736 | ||
1737 | static void | |
1738 | sigchld_handler(int sig) /* I - Signal number */ | |
1739 | { | |
1740 | (void)sig; | |
1741 | ||
1742 | /* | |
1743 | * Flag that we have dead children... | |
1744 | */ | |
1745 | ||
1746 | dead_children = 1; | |
1747 | ||
1748 | /* | |
1749 | * Reset the signal handler as needed... | |
1750 | */ | |
1751 | ||
1752 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1753 | signal(SIGCLD, sigchld_handler); | |
1754 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1755 | } | |
1756 | ||
1757 | ||
1758 | /* | |
1759 | * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler. | |
1760 | */ | |
1761 | ||
1762 | static void | |
1763 | sighup_handler(int sig) /* I - Signal number */ | |
1764 | { | |
1765 | (void)sig; | |
1766 | ||
1767 | NeedReload = RELOAD_ALL; | |
1768 | ReloadTime = time(NULL); | |
1769 | ||
1770 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1771 | signal(SIGHUP, sighup_handler); | |
1772 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1773 | } | |
1774 | ||
1775 | ||
1776 | /* | |
1777 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler. | |
1778 | */ | |
1779 | ||
1780 | static void | |
1781 | sigterm_handler(int sig) /* I - Signal number */ | |
1782 | { | |
1783 | (void)sig; /* remove compiler warnings... */ | |
1784 | ||
1785 | /* | |
1786 | * Flag that we should stop and return... | |
1787 | */ | |
1788 | ||
1789 | stop_scheduler = 1; | |
1790 | } | |
1791 | ||
1792 | ||
1720786e MS |
1793 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
1794 | /* | |
1795 | * 'service_checkin()' - Check-in with launchd and collect the listening fds. | |
1796 | */ | |
1797 | ||
1798 | static void | |
1799 | service_checkin(void) | |
1800 | { | |
1801 | # ifdef HAVE_LAUNCH_ACTIVATE_SOCKET | |
1802 | int error; /* Check-in error, if any */ | |
1803 | size_t i, /* Looping var */ | |
1804 | count; /* Number of listeners */ | |
1805 | int *ld_sockets; /* Listener sockets */ | |
1806 | cupsd_listener_t *lis; /* Listeners array */ | |
1807 | http_addr_t addr; /* Address variable */ | |
1808 | socklen_t addrlen; /* Length of address */ | |
1809 | char s[256]; /* String addresss */ | |
1810 | ||
1811 | ||
1812 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1813 | ||
1814 | /* | |
1815 | * Check-in with launchd... | |
1816 | */ | |
1817 | ||
1818 | if ((error = launch_activate_socket("Listeners", &ld_sockets, &count)) != 0) | |
1819 | { | |
1820 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(error)); | |
1821 | exit(EXIT_FAILURE); | |
1822 | return; /* anti-compiler-warning */ | |
1823 | } | |
1824 | ||
1825 | /* | |
1826 | * Try to match the launchd sockets to the cupsd listeners... | |
1827 | */ | |
1828 | ||
1829 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1830 | ||
1831 | for (i = 0; i < count; i ++) | |
1832 | { | |
1833 | /* | |
1834 | * Get the launchd socket address... | |
1835 | */ | |
1836 | ||
1837 | addrlen = sizeof(addr); | |
1838 | ||
1839 | if (getsockname(ld_sockets[i], (struct sockaddr *)&addr, &addrlen)) | |
1840 | { | |
1841 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
1842 | continue; | |
1843 | } | |
1844 | ||
1845 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, ld_sockets[i], httpAddrString(&addr, s, sizeof(s))); | |
1846 | ||
1847 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1848 | lis; | |
1849 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1850 | if (httpAddrEqual(&lis->address, &addr)) | |
1851 | break; | |
1852 | ||
1853 | /* | |
1854 | * Add a new listener if there's no match... | |
1855 | */ | |
1856 | ||
1857 | if (lis) | |
1858 | { | |
1859 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
1860 | } | |
1861 | else | |
1862 | { | |
1863 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
1864 | ||
1865 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
1866 | { | |
1867 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
1868 | exit(EXIT_FAILURE); | |
1869 | } | |
1870 | ||
1871 | cupsArrayAdd(Listeners, lis); | |
1872 | ||
1873 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
1874 | } | |
1875 | ||
1876 | lis->fd = ld_sockets[i]; | |
1877 | lis->on_demand = 1; | |
1878 | ||
1879 | # ifdef HAVE_SSL | |
1880 | if (httpAddrPort(&(lis->address)) == 443) | |
1881 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
1882 | # endif /* HAVE_SSL */ | |
1883 | } | |
1884 | ||
117466cd MS |
1885 | free(ld_sockets); |
1886 | ||
1720786e MS |
1887 | # elif defined(HAVE_LAUNCHD) |
1888 | size_t i, /* Looping var */ | |
1889 | count; /* Number of listeners */ | |
1890 | launch_data_t ld_msg, /* Launch data message */ | |
1891 | ld_resp, /* Launch data response */ | |
1892 | ld_array, /* Launch data array */ | |
1893 | ld_sockets, /* Launch data sockets dictionary */ | |
1894 | tmp; /* Launch data */ | |
1895 | cupsd_listener_t *lis; /* Listeners array */ | |
1896 | http_addr_t addr; /* Address variable */ | |
1897 | socklen_t addrlen; /* Length of address */ | |
1898 | int fd; /* File descriptor */ | |
1899 | char s[256]; /* String addresss */ | |
1900 | ||
1901 | ||
1902 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1903 | ||
1904 | /* | |
1905 | * Check-in with launchd... | |
1906 | */ | |
1907 | ||
1908 | ld_msg = launch_data_new_string(LAUNCH_KEY_CHECKIN); | |
1909 | if ((ld_resp = launch_msg(ld_msg)) == NULL) | |
1910 | { | |
1911 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1912 | "service_checkin: launch_msg(\"" LAUNCH_KEY_CHECKIN | |
1913 | "\") IPC failure"); | |
1914 | exit(EXIT_FAILURE); | |
1915 | return; /* anti-compiler-warning */ | |
1916 | } | |
1917 | ||
1918 | if (launch_data_get_type(ld_resp) == LAUNCH_DATA_ERRNO) | |
1919 | { | |
1920 | errno = launch_data_get_errno(ld_resp); | |
1921 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Check-in failed: %s", | |
1922 | strerror(errno)); | |
1923 | exit(EXIT_FAILURE); | |
1924 | return; /* anti-compiler-warning */ | |
1925 | } | |
1926 | ||
1927 | /* | |
1928 | * Get the sockets dictionary... | |
1929 | */ | |
1930 | ||
1931 | if ((ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS)) | |
1932 | == NULL) | |
1933 | { | |
1934 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1935 | "service_checkin: No sockets found to answer requests on."); | |
1936 | exit(EXIT_FAILURE); | |
1937 | return; /* anti-compiler-warning */ | |
1938 | } | |
1939 | ||
1940 | /* | |
1941 | * Get the array of listener sockets... | |
1942 | */ | |
1943 | ||
1944 | if ((ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")) == NULL) | |
1945 | { | |
1946 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1947 | "service_checkin: No sockets found to answer requests on."); | |
1948 | exit(EXIT_FAILURE); | |
1949 | return; /* anti-compiler-warning */ | |
1950 | } | |
1951 | ||
1952 | /* | |
1953 | * Add listening fd(s) to the Listener array... | |
1954 | */ | |
1955 | ||
1956 | if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY) | |
1957 | { | |
1958 | count = launch_data_array_get_count(ld_array); | |
1959 | ||
1960 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1961 | ||
1962 | for (i = 0; i < count; i ++) | |
1963 | { | |
1964 | /* | |
1965 | * Get the launchd file descriptor and address... | |
1966 | */ | |
1967 | ||
1968 | if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL) | |
1969 | { | |
1970 | fd = launch_data_get_fd(tmp); | |
1971 | addrlen = sizeof(addr); | |
1972 | ||
1973 | if (getsockname(fd, (struct sockaddr *)&addr, &addrlen)) | |
1974 | { | |
1975 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
1976 | continue; | |
1977 | } | |
1978 | ||
1979 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, fd, httpAddrString(&addr, s, sizeof(s))); | |
1980 | ||
1981 | /* | |
1982 | * Try to match the launchd socket address to one of the listeners... | |
1983 | */ | |
1984 | ||
1985 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1986 | lis; | |
1987 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1988 | if (httpAddrEqual(&lis->address, &addr)) | |
1989 | break; | |
1990 | ||
1991 | /* | |
1992 | * Add a new listener If there's no match... | |
1993 | */ | |
1994 | ||
1995 | if (lis) | |
1996 | { | |
1997 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
1998 | } | |
1999 | else | |
2000 | { | |
2001 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2002 | ||
2003 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2004 | { | |
2005 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s.", strerror(errno)); | |
2006 | exit(EXIT_FAILURE); | |
2007 | } | |
2008 | ||
2009 | cupsArrayAdd(Listeners, lis); | |
2010 | ||
2011 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2012 | } | |
2013 | ||
2014 | lis->fd = fd; | |
2015 | lis->on_demand = 1; | |
2016 | ||
2017 | # ifdef HAVE_SSL | |
2018 | if (httpAddrPort(&(lis->address)) == 443) | |
2019 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2020 | # endif /* HAVE_SSL */ | |
2021 | } | |
2022 | } | |
2023 | } | |
2024 | ||
2025 | launch_data_free(ld_msg); | |
2026 | launch_data_free(ld_resp); | |
2027 | ||
2028 | # else /* HAVE_SYSTEMD */ | |
2029 | int i, /* Looping var */ | |
2030 | count; /* Number of listeners */ | |
2031 | cupsd_listener_t *lis; /* Listeners array */ | |
2032 | http_addr_t addr; /* Address variable */ | |
2033 | socklen_t addrlen; /* Length of address */ | |
2034 | char s[256]; /* String addresss */ | |
2035 | ||
2036 | ||
2037 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
2038 | ||
2039 | /* | |
2040 | * Check-in with systemd... | |
2041 | */ | |
2042 | ||
2043 | if ((count = sd_listen_fds(0)) < 0) | |
2044 | { | |
5950e7bd | 2045 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(-count)); |
1720786e MS |
2046 | exit(EXIT_FAILURE); |
2047 | return; /* anti-compiler-warning */ | |
2048 | } | |
2049 | ||
2050 | /* | |
2051 | * Try to match the systemd sockets to the cupsd listeners... | |
2052 | */ | |
2053 | ||
2054 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", count); | |
2055 | ||
2056 | for (i = 0; i < count; i ++) | |
2057 | { | |
2058 | /* | |
2059 | * Get the launchd socket address... | |
2060 | */ | |
2061 | ||
2062 | addrlen = sizeof(addr); | |
2063 | ||
2064 | if (getsockname(SD_LISTEN_FDS_START + i, (struct sockaddr *)&addr, &addrlen)) | |
2065 | { | |
2066 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
2067 | continue; | |
2068 | } | |
2069 | ||
2070 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, SD_LISTEN_FDS_START + i, httpAddrString(&addr, s, sizeof(s))); | |
2071 | ||
2072 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
2073 | lis; | |
2074 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
2075 | if (httpAddrEqual(&lis->address, &addr)) | |
2076 | break; | |
2077 | ||
2078 | /* | |
2079 | * Add a new listener if there's no match... | |
2080 | */ | |
2081 | ||
2082 | if (lis) | |
2083 | { | |
2084 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
2085 | } | |
2086 | else | |
2087 | { | |
2088 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2089 | ||
2090 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2091 | { | |
2092 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
2093 | exit(EXIT_FAILURE); | |
2094 | } | |
2095 | ||
2096 | cupsArrayAdd(Listeners, lis); | |
2097 | ||
2098 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2099 | } | |
2100 | ||
2101 | lis->fd = SD_LISTEN_FDS_START + i; | |
2102 | lis->on_demand = 1; | |
2103 | ||
2104 | # ifdef HAVE_SSL | |
2105 | if (httpAddrPort(&(lis->address)) == 443) | |
2106 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2107 | # endif /* HAVE_SSL */ | |
2108 | } | |
2109 | # endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */ | |
2110 | } | |
2111 | ||
2112 | ||
2113 | /* | |
2114 | * 'service_checkout()' - Update the CUPS_KEEPALIVE file as needed. | |
2115 | */ | |
2116 | ||
2117 | static void | |
2118 | service_checkout(void) | |
2119 | { | |
2120 | int fd; /* File descriptor */ | |
2121 | ||
2122 | ||
2123 | /* | |
2124 | * Create or remove the systemd path file based on whether there are active | |
2125 | * jobs or shared printers to advertise... | |
2126 | */ | |
2127 | ||
0627e869 MS |
2128 | if (cupsArrayCount(ActiveJobs) || /* Active jobs */ |
2129 | # ifdef HAVE_SYSTEMD | |
2130 | WebInterface || /* Web interface enabled */ | |
2131 | # endif /* HAVE_SYSTEMD */ | |
1720786e | 2132 | (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers))) |
0627e869 | 2133 | /* Printers being shared */ |
1720786e MS |
2134 | { |
2135 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2136 | ||
2137 | if ((fd = open(CUPS_KEEPALIVE, O_RDONLY | O_CREAT | O_EXCL, S_IRUSR)) >= 0) | |
2138 | close(fd); | |
2139 | } | |
2140 | else | |
2141 | { | |
2142 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Removing keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2143 | ||
2144 | unlink(CUPS_KEEPALIVE); | |
2145 | } | |
2146 | } | |
2147 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
2148 | ||
2149 | ||
ef416fc2 | 2150 | /* |
2151 | * 'usage()' - Show scheduler usage. | |
2152 | */ | |
2153 | ||
2154 | static void | |
a4d04587 | 2155 | usage(int status) /* O - Exit status */ |
ef416fc2 | 2156 | { |
0837b7e8 MS |
2157 | FILE *fp = status ? stderr : stdout; /* Output file */ |
2158 | ||
2159 | ||
2160 | _cupsLangPuts(fp, _("Usage: cupsd [options]")); | |
2161 | _cupsLangPuts(fp, _("Options:")); | |
f3c17241 | 2162 | _cupsLangPuts(fp, _(" -c cupsd.conf Set cupsd.conf file to use.")); |
84315f46 MS |
2163 | _cupsLangPuts(fp, _(" -f Run in the foreground.")); |
2164 | _cupsLangPuts(fp, _(" -F Run in the foreground but " | |
2165 | "detach from console.")); | |
2166 | _cupsLangPuts(fp, _(" -h Show this usage message.")); | |
1720786e | 2167 | _cupsLangPuts(fp, _(" -l Run cupsd on demand.")); |
84315f46 | 2168 | _cupsLangPuts(fp, _(" -t Test the configuration " |
0837b7e8 | 2169 | "file.")); |
0837b7e8 | 2170 | |
a4d04587 | 2171 | exit(status); |
ef416fc2 | 2172 | } |
2173 | ||
2174 | ||
2175 | /* | |
f2d18633 | 2176 | * End of "$Id$". |
ef416fc2 | 2177 | */ |