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ef416fc2 | 1 | /* |
1a18c85c | 2 | * "$Id: main.c 11722 2014-03-21 18:28:30Z msweet $" |
ef416fc2 | 3 | * |
71f63681 | 4 | * Main loop for the CUPS scheduler. |
ef416fc2 | 5 | * |
71f63681 MS |
6 | * Copyright 2007-2014 by Apple Inc. |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
ef416fc2 | 8 | * |
71f63681 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 */ |
1a18c85c 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 | ||
1a18c85c MS |
37 | #ifdef HAVE_SYSTEMD |
38 | # include <systemd/sd-daemon.h> | |
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 | |
71f63681 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); | |
1a18c85c 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 */ | |
103 | int fg; /* Run in the foreground */ | |
bd7854cb | 104 | int fds; /* Number of ready descriptors */ |
ef416fc2 | 105 | cupsd_client_t *con; /* Current client */ |
106 | cupsd_job_t *job; /* Current job */ | |
107 | cupsd_listener_t *lis; /* Current listener */ | |
108 | time_t current_time, /* Current time */ | |
a4d04587 | 109 | activity, /* Client activity timer */ |
ef416fc2 | 110 | senddoc_time, /* Send-Document time */ |
411affcf | 111 | expire_time, /* Subscription expire time */ |
50fe7201 | 112 | report_time, /* Malloc/client/job report time */ |
5a662dc0 | 113 | event_time; /* Last event notification time */ |
f7deaa1a | 114 | long timeout; /* Timeout for cupsdDoSelect() */ |
ef416fc2 | 115 | struct rlimit limit; /* Runtime limit */ |
116 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
117 | struct sigaction action; /* Actions for POSIX signals */ | |
118 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
68b10830 MS |
119 | int run_as_child = 0; |
120 | /* Needed for background fork/exec */ | |
a41f09e2 | 121 | #ifdef __APPLE__ |
68b10830 | 122 | int use_sysman = !getuid(); |
d7871c8c | 123 | /* Use system management functions? */ |
a4924f6c MS |
124 | #else |
125 | time_t netif_time = 0; /* Time since last network update */ | |
a41f09e2 | 126 | #endif /* __APPLE__ */ |
1a18c85c MS |
127 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
128 | int service_idle_exit; | |
a4d04587 | 129 | /* Idle exit on select timeout? */ |
1a18c85c | 130 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
ef416fc2 | 131 | |
132 | ||
db1f069b MS |
133 | #ifdef HAVE_GETEUID |
134 | /* | |
135 | * Check for setuid invocation, which we do not support! | |
136 | */ | |
137 | ||
138 | if (getuid() != geteuid()) | |
139 | { | |
4d301e69 | 140 | fputs("cupsd: Cannot run as a setuid program\n", stderr); |
db1f069b MS |
141 | return (1); |
142 | } | |
143 | #endif /* HAVE_GETEUID */ | |
144 | ||
ef416fc2 | 145 | /* |
146 | * Check for command-line arguments... | |
147 | */ | |
148 | ||
4400e98d | 149 | fg = 0; |
ef416fc2 | 150 | |
09a101d6 | 151 | #ifdef HAVE_LAUNCHD |
152 | if (getenv("CUPSD_LAUNCHD")) | |
153 | { | |
1a18c85c MS |
154 | OnDemand = 1; |
155 | fg = 1; | |
09a101d6 | 156 | } |
157 | #endif /* HAVE_LAUNCHD */ | |
158 | ||
ef416fc2 | 159 | for (i = 1; i < argc; i ++) |
160 | if (argv[i][0] == '-') | |
161 | for (opt = argv[i] + 1; *opt != '\0'; opt ++) | |
162 | switch (*opt) | |
163 | { | |
a41f09e2 MS |
164 | case 'C' : /* Run as child with config file */ |
165 | run_as_child = 1; | |
166 | fg = -1; | |
a41f09e2 | 167 | |
ef416fc2 | 168 | case 'c' : /* Configuration file */ |
169 | i ++; | |
170 | if (i >= argc) | |
a4d04587 | 171 | { |
172 | _cupsLangPuts(stderr, _("cupsd: Expected config filename " | |
0837b7e8 | 173 | "after \"-c\" option.")); |
a4d04587 | 174 | usage(1); |
175 | } | |
ef416fc2 | 176 | |
177 | if (argv[i][0] == '/') | |
178 | { | |
179 | /* | |
180 | * Absolute directory... | |
181 | */ | |
182 | ||
183 | cupsdSetString(&ConfigurationFile, argv[i]); | |
184 | } | |
185 | else | |
186 | { | |
187 | /* | |
188 | * Relative directory... | |
189 | */ | |
190 | ||
09ec0018 | 191 | char *current; /* Current directory */ |
ef416fc2 | 192 | |
09ec0018 | 193 | /* |
194 | * Allocate a buffer for the current working directory to | |
195 | * reduce run-time stack usage; this approximates the | |
196 | * behavior of some implementations of getcwd() when they | |
197 | * are passed a NULL pointer. | |
198 | */ | |
199 | ||
91c84a35 MS |
200 | if ((current = malloc(1024)) == NULL) |
201 | { | |
202 | _cupsLangPuts(stderr, | |
0837b7e8 | 203 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
204 | return (1); |
205 | } | |
206 | ||
207 | if (!getcwd(current, 1024)) | |
208 | { | |
209 | _cupsLangPuts(stderr, | |
0837b7e8 | 210 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
211 | free(current); |
212 | return (1); | |
213 | } | |
09ec0018 | 214 | |
ef416fc2 | 215 | cupsdSetStringf(&ConfigurationFile, "%s/%s", current, argv[i]); |
09ec0018 | 216 | free(current); |
ef416fc2 | 217 | } |
218 | break; | |
219 | ||
220 | case 'f' : /* Run in foreground... */ | |
221 | fg = 1; | |
222 | break; | |
223 | ||
bd7854cb | 224 | case 'F' : /* Run in foreground, but disconnect from terminal... */ |
ef416fc2 | 225 | fg = -1; |
226 | break; | |
227 | ||
a4d04587 | 228 | case 'h' : /* Show usage/help */ |
229 | usage(0); | |
230 | break; | |
231 | ||
1a18c85c MS |
232 | case 'l' : /* Started by launchd/systemd... */ |
233 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) | |
234 | OnDemand = 1; | |
235 | fg = 1; | |
a4d04587 | 236 | #else |
1a18c85c | 237 | _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled " |
0837b7e8 | 238 | "in, running in normal mode.")); |
a4d04587 | 239 | fg = 0; |
1a18c85c | 240 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 241 | break; |
242 | ||
a74454a7 | 243 | case 'p' : /* Stop immediately for profiling */ |
5a662dc0 MS |
244 | fputs("cupsd: -p (startup profiling) is for internal testing " |
245 | "use only!\n", stderr); | |
a74454a7 | 246 | stop_scheduler = 1; |
247 | fg = 1; | |
248 | break; | |
249 | ||
1340db2d | 250 | case 'P' : /* Disable security profiles */ |
1a18c85c MS |
251 | fputs("cupsd: -P (disable sandboxing) is for internal testing use only.\n", stderr); |
252 | UseSandboxing = 0; | |
1340db2d MS |
253 | break; |
254 | ||
c41769ff MS |
255 | case 's' : /* Set cups-files.conf location */ |
256 | i ++; | |
257 | if (i >= argc) | |
258 | { | |
259 | _cupsLangPuts(stderr, _("cupsd: Expected cups-files.conf " | |
260 | "filename after \"-s\" option.")); | |
261 | usage(1); | |
262 | } | |
263 | ||
264 | if (argv[i][0] != '/') | |
265 | { | |
266 | /* | |
267 | * Relative filename not allowed... | |
268 | */ | |
269 | ||
270 | _cupsLangPuts(stderr, _("cupsd: Relative cups-files.conf " | |
271 | "filename not allowed.")); | |
272 | usage(1); | |
273 | } | |
274 | ||
275 | cupsdSetString(&CupsFilesFile, argv[i]); | |
276 | break; | |
277 | ||
68b10830 MS |
278 | #ifdef __APPLE__ |
279 | case 'S' : /* Disable system management functions */ | |
5a662dc0 MS |
280 | fputs("cupsd: -S (disable system management) for internal " |
281 | "testing use only!\n", stderr); | |
68b10830 MS |
282 | use_sysman = 0; |
283 | break; | |
284 | #endif /* __APPLE__ */ | |
285 | ||
2e4ff8af MS |
286 | case 't' : /* Test the cupsd.conf file... */ |
287 | TestConfigFile = 1; | |
288 | fg = 1; | |
289 | break; | |
290 | ||
ef416fc2 | 291 | default : /* Unknown option */ |
a4d04587 | 292 | _cupsLangPrintf(stderr, _("cupsd: Unknown option \"%c\" - " |
0837b7e8 | 293 | "aborting."), *opt); |
a4d04587 | 294 | usage(1); |
ef416fc2 | 295 | break; |
296 | } | |
297 | else | |
298 | { | |
0837b7e8 | 299 | _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."), |
a4d04587 | 300 | argv[i]); |
301 | usage(1); | |
ef416fc2 | 302 | } |
303 | ||
304 | if (!ConfigurationFile) | |
305 | cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf"); | |
306 | ||
cb7f98ee MS |
307 | if (!CupsFilesFile) |
308 | { | |
309 | char *filename, /* Copy of cupsd.conf filename */ | |
310 | *slash; /* Final slash in cupsd.conf filename */ | |
311 | size_t len; /* Size of buffer */ | |
312 | ||
313 | len = strlen(ConfigurationFile) + 15; | |
314 | if ((filename = malloc(len)) == NULL) | |
315 | { | |
316 | _cupsLangPrintf(stderr, | |
317 | _("cupsd: Unable to get path to " | |
318 | "cups-files.conf file.")); | |
319 | return (1); | |
320 | } | |
321 | ||
322 | strlcpy(filename, ConfigurationFile, len); | |
323 | if ((slash = strrchr(filename, '/')) == NULL) | |
324 | { | |
325 | _cupsLangPrintf(stderr, | |
326 | _("cupsd: Unable to get path to " | |
327 | "cups-files.conf file.")); | |
328 | return (1); | |
329 | } | |
330 | ||
1a18c85c | 331 | strlcpy(slash, "/cups-files.conf", len - (size_t)(slash - filename)); |
cb7f98ee MS |
332 | cupsdSetString(&CupsFilesFile, filename); |
333 | free(filename); | |
334 | } | |
335 | ||
ef416fc2 | 336 | /* |
337 | * If the user hasn't specified "-f", run in the background... | |
338 | */ | |
339 | ||
340 | if (!fg) | |
341 | { | |
342 | /* | |
343 | * Setup signal handlers for the parent... | |
344 | */ | |
345 | ||
346 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
347 | sigset(SIGUSR1, parent_handler); | |
348 | sigset(SIGCHLD, parent_handler); | |
349 | ||
350 | sigset(SIGHUP, SIG_IGN); | |
351 | #elif defined(HAVE_SIGACTION) | |
352 | memset(&action, 0, sizeof(action)); | |
353 | sigemptyset(&action.sa_mask); | |
354 | sigaddset(&action.sa_mask, SIGUSR1); | |
355 | action.sa_handler = parent_handler; | |
356 | sigaction(SIGUSR1, &action, NULL); | |
357 | sigaction(SIGCHLD, &action, NULL); | |
358 | ||
359 | sigemptyset(&action.sa_mask); | |
360 | action.sa_handler = SIG_IGN; | |
361 | sigaction(SIGHUP, &action, NULL); | |
362 | #else | |
363 | signal(SIGUSR1, parent_handler); | |
364 | signal(SIGCLD, parent_handler); | |
365 | ||
366 | signal(SIGHUP, SIG_IGN); | |
367 | #endif /* HAVE_SIGSET */ | |
368 | ||
369 | if (fork() > 0) | |
370 | { | |
371 | /* | |
372 | * OK, wait for the child to startup and send us SIGUSR1 or to crash | |
373 | * and the OS send us SIGCHLD... We also need to ignore SIGHUP which | |
374 | * might be sent by the init script to restart the scheduler... | |
375 | */ | |
376 | ||
377 | for (; parent_signal == 0;) | |
378 | sleep(1); | |
379 | ||
380 | if (parent_signal == SIGUSR1) | |
381 | return (0); | |
382 | ||
383 | if (wait(&i) < 0) | |
384 | { | |
385 | perror("cupsd"); | |
386 | return (1); | |
387 | } | |
388 | else if (WIFEXITED(i)) | |
389 | { | |
4d301e69 | 390 | fprintf(stderr, "cupsd: Child exited with status %d\n", |
bd7854cb | 391 | WEXITSTATUS(i)); |
ef416fc2 | 392 | return (2); |
393 | } | |
394 | else | |
395 | { | |
4d301e69 | 396 | fprintf(stderr, "cupsd: Child exited on signal %d\n", WTERMSIG(i)); |
ef416fc2 | 397 | return (3); |
398 | } | |
399 | } | |
a41f09e2 | 400 | |
3dd9c340 | 401 | #if defined(__OpenBSD__) && OpenBSD < 201211 |
68b10830 MS |
402 | /* |
403 | * Call _thread_sys_closefrom() so the child process doesn't reset the | |
404 | * parent's file descriptors to be blocking. This is a workaround for a | |
3dd9c340 | 405 | * limitation of userland libpthread on older versions of OpenBSD. |
68b10830 | 406 | */ |
ef55b745 | 407 | |
68b10830 | 408 | _thread_sys_closefrom(0); |
3dd9c340 | 409 | #endif /* __OpenBSD__ && OpenBSD < 201211 */ |
68b10830 | 410 | |
a41f09e2 | 411 | /* |
68b10830 MS |
412 | * Since CoreFoundation and DBUS both create fork-unsafe data on execution of |
413 | * a program, and since this kind of really unfriendly behavior seems to be | |
414 | * more common these days in system libraries, we need to re-execute the | |
415 | * background cupsd with the "-C" option to avoid problems. Unfortunately, | |
416 | * we also have to assume that argv[0] contains the name of the cupsd | |
417 | * executable - there is no portable way to get the real pathname... | |
a41f09e2 MS |
418 | */ |
419 | ||
420 | execlp(argv[0], argv[0], "-C", ConfigurationFile, (char *)0); | |
421 | exit(errno); | |
ef416fc2 | 422 | } |
423 | ||
424 | if (fg < 1) | |
425 | { | |
426 | /* | |
427 | * Make sure we aren't tying up any filesystems... | |
428 | */ | |
429 | ||
430 | chdir("/"); | |
431 | ||
432 | #ifndef DEBUG | |
433 | /* | |
434 | * Disable core dumps... | |
435 | */ | |
436 | ||
437 | getrlimit(RLIMIT_CORE, &limit); | |
438 | limit.rlim_cur = 0; | |
439 | setrlimit(RLIMIT_CORE, &limit); | |
440 | ||
441 | /* | |
442 | * Disconnect from the controlling terminal... | |
443 | */ | |
444 | ||
445 | setsid(); | |
446 | ||
447 | /* | |
448 | * Close all open files... | |
449 | */ | |
450 | ||
451 | getrlimit(RLIMIT_NOFILE, &limit); | |
452 | ||
b94498cf | 453 | for (i = 0; i < limit.rlim_cur && i < 1024; i ++) |
ef416fc2 | 454 | close(i); |
a4924f6c MS |
455 | |
456 | /* | |
457 | * Redirect stdin/out/err to /dev/null... | |
458 | */ | |
459 | ||
68b10830 MS |
460 | if ((i = open("/dev/null", O_RDONLY)) != 0) |
461 | { | |
462 | dup2(i, 0); | |
463 | close(i); | |
464 | } | |
465 | ||
466 | if ((i = open("/dev/null", O_WRONLY)) != 1) | |
467 | { | |
468 | dup2(i, 1); | |
469 | close(i); | |
470 | } | |
471 | ||
472 | if ((i = open("/dev/null", O_WRONLY)) != 2) | |
473 | { | |
474 | dup2(i, 2); | |
475 | close(i); | |
476 | } | |
ef416fc2 | 477 | #endif /* DEBUG */ |
478 | } | |
479 | ||
480 | /* | |
481 | * Set the timezone info... | |
482 | */ | |
483 | ||
484 | tzset(); | |
485 | ||
486 | #ifdef LC_TIME | |
487 | setlocale(LC_TIME, ""); | |
488 | #endif /* LC_TIME */ | |
489 | ||
71f63681 MS |
490 | #ifdef HAVE_DBUS_THREADS_INIT |
491 | /* | |
492 | * Enable threading support for D-BUS... | |
493 | */ | |
494 | ||
495 | dbus_threads_init_default(); | |
496 | #endif /* HAVE_DBUS_THREADS_INIT */ | |
497 | ||
ef416fc2 | 498 | /* |
499 | * Set the maximum number of files... | |
500 | */ | |
501 | ||
502 | getrlimit(RLIMIT_NOFILE, &limit); | |
503 | ||
f7deaa1a | 504 | #if !defined(HAVE_POLL) && !defined(HAVE_EPOLL) && !defined(HAVE_KQUEUE) |
f7faf1f5 | 505 | if (limit.rlim_max > FD_SETSIZE) |
506 | MaxFDs = FD_SETSIZE; | |
ef416fc2 | 507 | else |
f7deaa1a | 508 | #endif /* !HAVE_POLL && !HAVE_EPOLL && !HAVE_KQUEUE */ |
509 | #ifdef RLIM_INFINITY | |
510 | if (limit.rlim_max == RLIM_INFINITY) | |
511 | MaxFDs = 16384; | |
512 | else | |
513 | #endif /* RLIM_INFINITY */ | |
ef416fc2 | 514 | MaxFDs = limit.rlim_max; |
515 | ||
1a18c85c | 516 | limit.rlim_cur = (rlim_t)MaxFDs; |
ef416fc2 | 517 | |
518 | setrlimit(RLIMIT_NOFILE, &limit); | |
519 | ||
f7deaa1a | 520 | cupsdStartSelect(); |
ef416fc2 | 521 | |
522 | /* | |
523 | * Read configuration... | |
524 | */ | |
525 | ||
526 | if (!cupsdReadConfiguration()) | |
ef416fc2 | 527 | return (1); |
2e4ff8af MS |
528 | else if (TestConfigFile) |
529 | { | |
cb7f98ee MS |
530 | printf("\"%s\" is OK.\n", CupsFilesFile); |
531 | printf("\"%s\" is OK.\n", ConfigurationFile); | |
2e4ff8af MS |
532 | return (0); |
533 | } | |
ef416fc2 | 534 | |
ba55dc12 MS |
535 | /* |
536 | * Clean out old temp files and printer cache data. | |
537 | */ | |
cc0d019f | 538 | |
ba55dc12 | 539 | if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot))) |
321d8d57 | 540 | cupsdCleanFiles(TempDir, NULL); |
cc0d019f | 541 | |
321d8d57 | 542 | cupsdCleanFiles(CacheDir, "*.ipp"); |
cc0d019f | 543 | |
1a18c85c MS |
544 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
545 | if (OnDemand) | |
a4d04587 | 546 | { |
547 | /* | |
1a18c85c MS |
548 | * If we were started on demand by launchd or systemd get the listen sockets |
549 | * file descriptors... | |
f7deaa1a | 550 | */ |
a4d04587 | 551 | |
1a18c85c MS |
552 | service_checkin(); |
553 | service_checkout(); | |
a4d04587 | 554 | } |
1a18c85c | 555 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 556 | |
557 | /* | |
558 | * Startup the server... | |
559 | */ | |
560 | ||
6d2f911b MS |
561 | httpInitialize(); |
562 | ||
a4d04587 | 563 | cupsdStartServer(); |
564 | ||
ef416fc2 | 565 | /* |
566 | * Catch hangup and child signals and ignore broken pipes... | |
567 | */ | |
568 | ||
569 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
e1d6a774 | 570 | sigset(SIGCHLD, sigchld_handler); |
4744bd90 | 571 | sigset(SIGHUP, sighup_handler); |
ef416fc2 | 572 | sigset(SIGPIPE, SIG_IGN); |
573 | sigset(SIGTERM, sigterm_handler); | |
574 | #elif defined(HAVE_SIGACTION) | |
575 | memset(&action, 0, sizeof(action)); | |
576 | ||
e1d6a774 | 577 | sigemptyset(&action.sa_mask); |
578 | sigaddset(&action.sa_mask, SIGTERM); | |
579 | sigaddset(&action.sa_mask, SIGCHLD); | |
580 | action.sa_handler = sigchld_handler; | |
581 | sigaction(SIGCHLD, &action, NULL); | |
582 | ||
ef416fc2 | 583 | sigemptyset(&action.sa_mask); |
584 | sigaddset(&action.sa_mask, SIGHUP); | |
4744bd90 | 585 | action.sa_handler = sighup_handler; |
ef416fc2 | 586 | sigaction(SIGHUP, &action, NULL); |
587 | ||
588 | sigemptyset(&action.sa_mask); | |
589 | action.sa_handler = SIG_IGN; | |
590 | sigaction(SIGPIPE, &action, NULL); | |
591 | ||
592 | sigemptyset(&action.sa_mask); | |
593 | sigaddset(&action.sa_mask, SIGTERM); | |
594 | sigaddset(&action.sa_mask, SIGCHLD); | |
595 | action.sa_handler = sigterm_handler; | |
596 | sigaction(SIGTERM, &action, NULL); | |
597 | #else | |
e1d6a774 | 598 | signal(SIGCLD, sigchld_handler); /* No, SIGCLD isn't a typo... */ |
4744bd90 | 599 | signal(SIGHUP, sighup_handler); |
ef416fc2 | 600 | signal(SIGPIPE, SIG_IGN); |
601 | signal(SIGTERM, sigterm_handler); | |
602 | #endif /* HAVE_SIGSET */ | |
603 | ||
ef416fc2 | 604 | /* |
605 | * Initialize authentication certificates... | |
606 | */ | |
607 | ||
608 | cupsdInitCerts(); | |
609 | ||
610 | /* | |
611 | * If we are running in the background, signal the parent process that | |
612 | * we are up and running... | |
613 | */ | |
614 | ||
a41f09e2 | 615 | if (!fg || run_as_child) |
ef416fc2 | 616 | { |
617 | /* | |
618 | * Send a signal to the parent process, but only if the parent is | |
619 | * not PID 1 (init). This avoids accidentally shutting down the | |
620 | * system on OpenBSD if you CTRL-C the server before it is up... | |
621 | */ | |
622 | ||
623 | i = getppid(); /* Save parent PID to avoid race condition */ | |
624 | ||
625 | if (i != 1) | |
626 | kill(i, SIGUSR1); | |
627 | } | |
628 | ||
e1d6a774 | 629 | #ifdef __APPLE__ |
09ec0018 | 630 | /* |
631 | * Start power management framework... | |
632 | */ | |
633 | ||
1340db2d MS |
634 | if (use_sysman) |
635 | cupsdStartSystemMonitor(); | |
e1d6a774 | 636 | #endif /* __APPLE__ */ |
ef416fc2 | 637 | |
49d87452 MS |
638 | /* |
639 | * Send server-started event... | |
640 | */ | |
641 | ||
1a18c85c MS |
642 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
643 | if (OnDemand) | |
644 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand."); | |
49d87452 | 645 | else |
1a18c85c | 646 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
49d87452 | 647 | if (fg) |
1a18c85c | 648 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in foreground."); |
49d87452 | 649 | else |
1a18c85c | 650 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background."); |
49d87452 | 651 | |
ef416fc2 | 652 | /* |
653 | * Start any pending print jobs... | |
654 | */ | |
655 | ||
656 | cupsdCheckJobs(); | |
657 | ||
658 | /* | |
659 | * Loop forever... | |
660 | */ | |
661 | ||
50fe7201 | 662 | current_time = time(NULL); |
50fe7201 MS |
663 | event_time = current_time; |
664 | expire_time = current_time; | |
ef416fc2 | 665 | fds = 1; |
5bd77a73 | 666 | report_time = 0; |
50fe7201 | 667 | senddoc_time = current_time; |
ef416fc2 | 668 | |
669 | while (!stop_scheduler) | |
670 | { | |
ef416fc2 | 671 | /* |
672 | * Check if there are dead children to handle... | |
673 | */ | |
674 | ||
675 | if (dead_children) | |
676 | process_children(); | |
677 | ||
678 | /* | |
679 | * Check if we need to load the server configuration file... | |
680 | */ | |
681 | ||
682 | if (NeedReload) | |
683 | { | |
684 | /* | |
685 | * Close any idle clients... | |
686 | */ | |
687 | ||
bd7854cb | 688 | if (cupsArrayCount(Clients) > 0) |
ef416fc2 | 689 | { |
bd7854cb | 690 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
691 | con; | |
692 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1a18c85c | 693 | if (httpGetState(con->http) == HTTP_WAITING) |
ef416fc2 | 694 | cupsdCloseClient(con); |
ef416fc2 | 695 | else |
1a18c85c | 696 | con->http->keep_alive = HTTP_KEEPALIVE_OFF; |
ef416fc2 | 697 | |
698 | cupsdPauseListening(); | |
699 | } | |
700 | ||
ef416fc2 | 701 | /* |
702 | * Restart if all clients are closed and all jobs finished, or | |
703 | * if the reload timeout has elapsed... | |
704 | */ | |
705 | ||
bd7854cb | 706 | if ((cupsArrayCount(Clients) == 0 && |
238c3832 | 707 | (cupsArrayCount(PrintingJobs) == 0 || NeedReload != RELOAD_ALL)) || |
ef416fc2 | 708 | (time(NULL) - ReloadTime) >= ReloadTimeout) |
709 | { | |
a4d04587 | 710 | /* |
711 | * Shutdown the server... | |
712 | */ | |
713 | ||
7cf5915e MS |
714 | DoingShutdown = 1; |
715 | ||
a4d04587 | 716 | cupsdStopServer(); |
717 | ||
718 | /* | |
719 | * Read configuration... | |
720 | */ | |
721 | ||
ef416fc2 | 722 | if (!cupsdReadConfiguration()) |
723 | { | |
724 | syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!", | |
725 | ConfigurationFile); | |
726 | break; | |
727 | } | |
a4d04587 | 728 | |
1a18c85c MS |
729 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
730 | if (OnDemand) | |
a4d04587 | 731 | { |
b94498cf | 732 | /* |
1a18c85c | 733 | * If we were started by launchd or systemd, get the listen socket file |
5a662dc0 | 734 | * descriptors... |
b94498cf | 735 | */ |
736 | ||
1a18c85c MS |
737 | service_checkin(); |
738 | service_checkout(); | |
a4d04587 | 739 | } |
1a18c85c | 740 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 741 | |
742 | /* | |
743 | * Startup the server... | |
744 | */ | |
745 | ||
7cf5915e MS |
746 | DoingShutdown = 0; |
747 | ||
a4d04587 | 748 | cupsdStartServer(); |
49d87452 MS |
749 | |
750 | /* | |
751 | * Send a server-restarted event... | |
752 | */ | |
753 | ||
754 | cupsdAddEvent(CUPSD_EVENT_SERVER_RESTARTED, NULL, NULL, | |
755 | "Scheduler restarted."); | |
ef416fc2 | 756 | } |
757 | } | |
758 | ||
759 | /* | |
f7deaa1a | 760 | * Check for available input or ready output. If cupsdDoSelect() |
761 | * returns 0 or -1, something bad happened and we should exit | |
762 | * immediately. | |
ef416fc2 | 763 | * |
764 | * Note that we at least have one listening socket open at all | |
765 | * times. | |
766 | */ | |
767 | ||
50fe7201 MS |
768 | if ((timeout = select_timeout(fds)) > 1 && LastEvent) |
769 | timeout = 1; | |
ef416fc2 | 770 | |
1a18c85c | 771 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 772 | /* |
773 | * If no other work is scheduled and we're being controlled by | |
411affcf | 774 | * launchd then timeout after 'LaunchdTimeout' seconds of |
a4d04587 | 775 | * inactivity... |
776 | */ | |
777 | ||
1a18c85c | 778 | if (timeout == 86400 && OnDemand && IdleExitTimeout && |
bc44d920 | 779 | !cupsArrayCount(ActiveJobs) && |
a2326b5b | 780 | (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers))) |
a4d04587 | 781 | { |
1a18c85c MS |
782 | timeout = IdleExitTimeout; |
783 | service_idle_exit = 1; | |
a4d04587 | 784 | } |
785 | else | |
1a18c85c MS |
786 | service_idle_exit = 0; |
787 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
a4d04587 | 788 | |
f7deaa1a | 789 | if ((fds = cupsdDoSelect(timeout)) < 0) |
ef416fc2 | 790 | { |
ef416fc2 | 791 | /* |
792 | * Got an error from select! | |
793 | */ | |
794 | ||
37e7e6e0 | 795 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 796 | cupsd_printer_t *p; /* Current printer */ |
37e7e6e0 | 797 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 798 | |
799 | ||
800 | if (errno == EINTR) /* Just interrupted by a signal */ | |
ef416fc2 | 801 | continue; |
802 | ||
803 | /* | |
804 | * Log all sorts of debug info to help track down the problem. | |
805 | */ | |
806 | ||
f7deaa1a | 807 | cupsdLogMessage(CUPSD_LOG_EMERG, "cupsdDoSelect() failed - %s!", |
ef416fc2 | 808 | strerror(errno)); |
809 | ||
bd7854cb | 810 | for (i = 0, con = (cupsd_client_t *)cupsArrayFirst(Clients); |
811 | con; | |
812 | i ++, con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 813 | cupsdLogMessage(CUPSD_LOG_EMERG, |
814 | "Clients[%d] = %d, file = %d, state = %d", | |
1a18c85c | 815 | i, con->number, con->file, httpGetState(con->http)); |
ef416fc2 | 816 | |
bd7854cb | 817 | for (i = 0, lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); |
818 | lis; | |
819 | i ++, lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
ef416fc2 | 820 | cupsdLogMessage(CUPSD_LOG_EMERG, "Listeners[%d] = %d", i, lis->fd); |
821 | ||
923edb68 | 822 | cupsdLogMessage(CUPSD_LOG_EMERG, "CGIPipes[0] = %d", CGIPipes[0]); |
823 | ||
09ec0018 | 824 | #ifdef __APPLE__ |
825 | cupsdLogMessage(CUPSD_LOG_EMERG, "SysEventPipes[0] = %d", | |
826 | SysEventPipes[0]); | |
827 | #endif /* __APPLE__ */ | |
828 | ||
ef416fc2 | 829 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
830 | job; | |
831 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
832 | cupsdLogMessage(CUPSD_LOG_EMERG, "Jobs[%d] = %d < [%d %d] > [%d %d]", | |
833 | job->id, | |
834 | job->status_buffer ? job->status_buffer->fd : -1, | |
835 | job->print_pipes[0], job->print_pipes[1], | |
836 | job->back_pipes[0], job->back_pipes[1]); | |
f7deaa1a | 837 | |
37e7e6e0 | 838 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 839 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); |
840 | p; | |
841 | p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
7a14d768 MS |
842 | cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name, |
843 | p->reg_name ? p->reg_name : "(null)"); | |
37e7e6e0 | 844 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 845 | |
ef416fc2 | 846 | break; |
847 | } | |
848 | ||
849 | current_time = time(NULL); | |
850 | ||
3dfe78b3 MS |
851 | /* |
852 | * Write dirty config/state files... | |
853 | */ | |
854 | ||
855 | if (DirtyCleanTime && current_time >= DirtyCleanTime) | |
3dfe78b3 | 856 | cupsdCleanDirty(); |
3dfe78b3 | 857 | |
e6013cfa MS |
858 | #ifdef __APPLE__ |
859 | /* | |
860 | * If we are going to sleep and still have pending jobs, stop them after | |
861 | * a period of time... | |
862 | */ | |
863 | ||
864 | if (SleepJobs > 0 && current_time >= SleepJobs && | |
865 | cupsArrayCount(PrintingJobs) > 0) | |
866 | { | |
867 | SleepJobs = 0; | |
e60ec91f | 868 | cupsdStopAllJobs(CUPSD_JOB_DEFAULT, 5); |
e6013cfa MS |
869 | } |
870 | #endif /* __APPLE__ */ | |
871 | ||
a4924f6c MS |
872 | #ifndef __APPLE__ |
873 | /* | |
874 | * Update the network interfaces once a minute... | |
875 | */ | |
876 | ||
877 | if ((current_time - netif_time) >= 60) | |
878 | { | |
879 | netif_time = current_time; | |
880 | NetIFUpdate = 1; | |
881 | } | |
882 | #endif /* !__APPLE__ */ | |
883 | ||
1a18c85c | 884 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 885 | /* |
411affcf | 886 | * If no other work was scheduled and we're being controlled by launchd |
a4d04587 | 887 | * then timeout after 'LaunchdTimeout' seconds of inactivity... |
888 | */ | |
889 | ||
1a18c85c | 890 | if (!fds && service_idle_exit) |
a4d04587 | 891 | { |
892 | cupsdLogMessage(CUPSD_LOG_INFO, | |
893 | "Printer sharing is off and there are no jobs pending, " | |
894 | "will restart on demand."); | |
895 | stop_scheduler = 1; | |
896 | break; | |
897 | } | |
1a18c85c | 898 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 899 | |
76cd9e37 MS |
900 | /* |
901 | * Resume listening for new connections as needed... | |
902 | */ | |
903 | ||
904 | if (ListeningPaused && ListeningPaused <= current_time && | |
905 | cupsArrayCount(Clients) < MaxClients) | |
906 | cupsdResumeListening(); | |
907 | ||
ef416fc2 | 908 | /* |
bd7854cb | 909 | * Expire subscriptions and unload completed jobs as needed... |
ef416fc2 | 910 | */ |
911 | ||
bd7854cb | 912 | if (current_time > expire_time) |
ef416fc2 | 913 | { |
bd7854cb | 914 | if (cupsArrayCount(Subscriptions) > 0) |
915 | cupsdExpireSubscriptions(NULL, NULL); | |
916 | ||
917 | cupsdUnloadCompletedJobs(); | |
ef416fc2 | 918 | |
919 | expire_time = current_time; | |
920 | } | |
921 | ||
07ed0e9a | 922 | #ifndef HAVE_AUTHORIZATION_H |
ef416fc2 | 923 | /* |
f7deaa1a | 924 | * Update the root certificate once every 5 minutes if we have client |
925 | * connections... | |
ef416fc2 | 926 | */ |
927 | ||
f7deaa1a | 928 | if ((current_time - RootCertTime) >= RootCertDuration && RootCertDuration && |
929 | !RunUser && cupsArrayCount(Clients)) | |
930 | { | |
931 | /* | |
932 | * Update the root certificate... | |
933 | */ | |
934 | ||
935 | cupsdDeleteCert(0); | |
0fa6c7fa | 936 | cupsdAddCert(0, "root", cupsdDefaultAuthType()); |
f7deaa1a | 937 | } |
07ed0e9a | 938 | #endif /* !HAVE_AUTHORIZATION_H */ |
ef416fc2 | 939 | |
940 | /* | |
941 | * Check for new data on the client sockets... | |
942 | */ | |
943 | ||
bd7854cb | 944 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
945 | con; | |
946 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 947 | { |
948 | /* | |
f7deaa1a | 949 | * Process pending data in the input buffer... |
ef416fc2 | 950 | */ |
951 | ||
1a18c85c | 952 | if (httpGetReady(con->http)) |
ef416fc2 | 953 | { |
f7deaa1a | 954 | cupsdReadClient(con); |
955 | continue; | |
ef416fc2 | 956 | } |
957 | ||
958 | /* | |
959 | * Check the activity and close old clients... | |
960 | */ | |
961 | ||
962 | activity = current_time - Timeout; | |
1a18c85c | 963 | if (httpGetActivity(con->http) < activity && !con->pipe_pid) |
ef416fc2 | 964 | { |
1a18c85c | 965 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout); |
ef416fc2 | 966 | |
967 | cupsdCloseClient(con); | |
ef416fc2 | 968 | continue; |
969 | } | |
970 | } | |
971 | ||
972 | /* | |
973 | * Update any pending multi-file documents... | |
974 | */ | |
975 | ||
976 | if ((current_time - senddoc_time) >= 10) | |
977 | { | |
978 | cupsdCheckJobs(); | |
979 | senddoc_time = current_time; | |
980 | } | |
981 | ||
82cc1f9a MS |
982 | /* |
983 | * Clean job history... | |
984 | */ | |
985 | ||
986 | if (JobHistoryUpdate && current_time >= JobHistoryUpdate) | |
987 | cupsdCleanJobs(); | |
988 | ||
ef416fc2 | 989 | /* |
5bd77a73 | 990 | * Log statistics at most once a minute when in debug mode... |
ef416fc2 | 991 | */ |
992 | ||
5bd77a73 | 993 | if ((current_time - report_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 994 | { |
5bd77a73 MS |
995 | size_t string_count, /* String count */ |
996 | alloc_bytes, /* Allocated string bytes */ | |
997 | total_bytes; /* Total string bytes */ | |
4400e98d | 998 | #ifdef HAVE_MALLINFO |
5bd77a73 | 999 | struct mallinfo mem; /* Malloc information */ |
ef416fc2 | 1000 | |
1001 | ||
1002 | mem = mallinfo(); | |
5bd77a73 MS |
1003 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-arena=%lu", mem.arena); |
1004 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-used=%lu", | |
1005 | mem.usmblks + mem.uordblks); | |
1006 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-free=%lu", | |
ef416fc2 | 1007 | mem.fsmblks + mem.fordblks); |
4400e98d | 1008 | #endif /* HAVE_MALLINFO */ |
1009 | ||
5bd77a73 MS |
1010 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: clients=%d", |
1011 | cupsArrayCount(Clients)); | |
1012 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs=%d", | |
1013 | cupsArrayCount(Jobs)); | |
1014 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs-active=%d", | |
1015 | cupsArrayCount(ActiveJobs)); | |
1016 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers=%d", | |
1017 | cupsArrayCount(Printers)); | |
5bd77a73 | 1018 | |
757d2cad | 1019 | string_count = _cupsStrStatistics(&alloc_bytes, &total_bytes); |
5bd77a73 MS |
1020 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
1021 | "Report: stringpool-string-count=" CUPS_LLFMT, | |
1022 | CUPS_LLCAST string_count); | |
1023 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1024 | "Report: stringpool-alloc-bytes=" CUPS_LLFMT, | |
1025 | CUPS_LLCAST alloc_bytes); | |
1026 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1027 | "Report: stringpool-total-bytes=" CUPS_LLFMT, | |
4400e98d | 1028 | CUPS_LLCAST total_bytes); |
1029 | ||
5bd77a73 | 1030 | report_time = current_time; |
ef416fc2 | 1031 | } |
ef416fc2 | 1032 | |
fa73b229 | 1033 | /* |
1034 | * Handle OS-specific event notification for any events that have | |
1035 | * accumulated. Don't send these more than once a second... | |
1036 | */ | |
1037 | ||
50fe7201 | 1038 | if (LastEvent && (current_time - event_time) >= 1) |
fa73b229 | 1039 | { |
1040 | #ifdef HAVE_NOTIFY_POST | |
a41f09e2 MS |
1041 | if (LastEvent & (CUPSD_EVENT_PRINTER_ADDED | |
1042 | CUPSD_EVENT_PRINTER_DELETED | | |
1043 | CUPSD_EVENT_PRINTER_MODIFIED)) | |
fa73b229 | 1044 | { |
e00b005a | 1045 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1046 | "notify_post(\"com.apple.printerListChange\")"); |
1047 | notify_post("com.apple.printerListChange"); | |
1048 | } | |
1049 | ||
1050 | if (LastEvent & CUPSD_EVENT_PRINTER_STATE_CHANGED) | |
1051 | { | |
e00b005a | 1052 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1053 | "notify_post(\"com.apple.printerHistoryChange\")"); |
1054 | notify_post("com.apple.printerHistoryChange"); | |
1055 | } | |
1056 | ||
1057 | if (LastEvent & (CUPSD_EVENT_JOB_STATE_CHANGED | | |
1058 | CUPSD_EVENT_JOB_CONFIG_CHANGED | | |
1059 | CUPSD_EVENT_JOB_PROGRESS)) | |
1060 | { | |
e00b005a | 1061 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1062 | "notify_post(\"com.apple.jobChange\")"); |
1063 | notify_post("com.apple.jobChange"); | |
1064 | } | |
1065 | #endif /* HAVE_NOTIFY_POST */ | |
1066 | ||
1067 | /* | |
e53920b9 | 1068 | * Reset the accumulated events... |
fa73b229 | 1069 | */ |
1070 | ||
50fe7201 MS |
1071 | LastEvent = CUPSD_EVENT_NONE; |
1072 | event_time = current_time; | |
fa73b229 | 1073 | } |
ef416fc2 | 1074 | } |
1075 | ||
1076 | /* | |
1077 | * Log a message based on what happened... | |
1078 | */ | |
1079 | ||
1080 | if (stop_scheduler) | |
49d87452 | 1081 | { |
ef416fc2 | 1082 | cupsdLogMessage(CUPSD_LOG_INFO, "Scheduler shutting down normally."); |
49d87452 MS |
1083 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1084 | "Scheduler shutting down normally."); | |
1085 | } | |
ef416fc2 | 1086 | else |
49d87452 | 1087 | { |
ef416fc2 | 1088 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1089 | "Scheduler shutting down due to program error."); | |
49d87452 MS |
1090 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1091 | "Scheduler shutting down due to program error."); | |
1092 | } | |
ef416fc2 | 1093 | |
1094 | /* | |
7ff4fea9 | 1095 | * Close all network clients... |
ef416fc2 | 1096 | */ |
1097 | ||
7cf5915e MS |
1098 | DoingShutdown = 1; |
1099 | ||
ef416fc2 | 1100 | cupsdStopServer(); |
1101 | ||
1a18c85c | 1102 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
7ff4fea9 | 1103 | /* |
1a18c85c | 1104 | * Update the keep-alive file as needed... |
7ff4fea9 MS |
1105 | */ |
1106 | ||
1a18c85c MS |
1107 | if (OnDemand) |
1108 | service_checkout(); | |
1109 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
7ff4fea9 MS |
1110 | |
1111 | /* | |
1112 | * Stop all jobs... | |
1113 | */ | |
1114 | ||
bd7854cb | 1115 | cupsdFreeAllJobs(); |
ef416fc2 | 1116 | |
e1d6a774 | 1117 | #ifdef __APPLE__ |
7ff4fea9 MS |
1118 | /* |
1119 | * Stop monitoring system event monitoring... | |
1120 | */ | |
1121 | ||
1340db2d MS |
1122 | if (use_sysman) |
1123 | cupsdStopSystemMonitor(); | |
e1d6a774 | 1124 | #endif /* __APPLE__ */ |
09ec0018 | 1125 | |
f7deaa1a | 1126 | cupsdStopSelect(); |
ef416fc2 | 1127 | |
1128 | return (!stop_scheduler); | |
1129 | } | |
1130 | ||
1131 | ||
10d09e33 MS |
1132 | /* |
1133 | * 'cupsdAddString()' - Copy and add a string to an array. | |
1134 | */ | |
1135 | ||
1136 | int /* O - 1 on success, 0 on failure */ | |
1137 | cupsdAddString(cups_array_t **a, /* IO - String array */ | |
1138 | const char *s) /* I - String to copy and add */ | |
1139 | { | |
1140 | if (!*a) | |
1141 | *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL, | |
1142 | (cups_ahash_func_t)NULL, 0, | |
1143 | (cups_acopy_func_t)_cupsStrAlloc, | |
1144 | (cups_afree_func_t)_cupsStrFree); | |
1145 | ||
1146 | return (cupsArrayAdd(*a, (char *)s)); | |
1147 | } | |
1148 | ||
1149 | ||
d7871c8c MS |
1150 | /* |
1151 | * 'cupsdCheckProcess()' - Tell the main loop to check for dead children. | |
1152 | */ | |
1153 | ||
1154 | void | |
1155 | cupsdCheckProcess(void) | |
1156 | { | |
1157 | /* | |
1158 | * Flag that we have dead children... | |
1159 | */ | |
1160 | ||
1161 | dead_children = 1; | |
1162 | } | |
1163 | ||
1164 | ||
10d09e33 MS |
1165 | /* |
1166 | * 'cupsdClearString()' - Clear a string. | |
1167 | */ | |
1168 | ||
1169 | void | |
1170 | cupsdClearString(char **s) /* O - String value */ | |
1171 | { | |
1172 | if (s && *s) | |
1173 | { | |
1174 | _cupsStrFree(*s); | |
1175 | *s = NULL; | |
1176 | } | |
1177 | } | |
1178 | ||
1179 | ||
10d09e33 MS |
1180 | /* |
1181 | * 'cupsdFreeStrings()' - Free an array of strings. | |
1182 | */ | |
1183 | ||
1184 | void | |
1185 | cupsdFreeStrings(cups_array_t **a) /* IO - String array */ | |
1186 | { | |
1187 | if (*a) | |
1188 | { | |
1189 | cupsArrayDelete(*a); | |
1190 | *a = NULL; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | ||
1195 | /* | |
1196 | * 'cupsdHoldSignals()' - Hold child and termination signals. | |
1197 | */ | |
1198 | ||
1199 | void | |
1200 | cupsdHoldSignals(void) | |
1201 | { | |
1202 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
1203 | sigset_t newmask; /* New POSIX signal mask */ | |
1204 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
1205 | ||
1206 | ||
1207 | holdcount ++; | |
1208 | if (holdcount > 1) | |
1209 | return; | |
1210 | ||
1211 | #ifdef HAVE_SIGSET | |
1212 | sighold(SIGTERM); | |
1213 | sighold(SIGCHLD); | |
1214 | #elif defined(HAVE_SIGACTION) | |
1215 | sigemptyset(&newmask); | |
1216 | sigaddset(&newmask, SIGTERM); | |
1217 | sigaddset(&newmask, SIGCHLD); | |
1218 | sigprocmask(SIG_BLOCK, &newmask, &holdmask); | |
1219 | #endif /* HAVE_SIGSET */ | |
1220 | } | |
1221 | ||
1222 | ||
ef416fc2 | 1223 | /* |
1224 | * 'cupsdReleaseSignals()' - Release signals for delivery. | |
1225 | */ | |
1226 | ||
1227 | void | |
1228 | cupsdReleaseSignals(void) | |
1229 | { | |
1230 | holdcount --; | |
1231 | if (holdcount > 0) | |
1232 | return; | |
1233 | ||
1234 | #ifdef HAVE_SIGSET | |
1235 | sigrelse(SIGTERM); | |
1236 | sigrelse(SIGCHLD); | |
1237 | #elif defined(HAVE_SIGACTION) | |
1238 | sigprocmask(SIG_SETMASK, &holdmask, NULL); | |
1239 | #endif /* HAVE_SIGSET */ | |
1240 | } | |
1241 | ||
1242 | ||
1243 | /* | |
1244 | * 'cupsdSetString()' - Set a string value. | |
1245 | */ | |
1246 | ||
1247 | void | |
1248 | cupsdSetString(char **s, /* O - New string */ | |
1249 | const char *v) /* I - String value */ | |
1250 | { | |
1251 | if (!s || *s == v) | |
1252 | return; | |
1253 | ||
1254 | if (*s) | |
e53920b9 | 1255 | _cupsStrFree(*s); |
ef416fc2 | 1256 | |
1257 | if (v) | |
e53920b9 | 1258 | *s = _cupsStrAlloc(v); |
ef416fc2 | 1259 | else |
1260 | *s = NULL; | |
1261 | } | |
1262 | ||
1263 | ||
1264 | /* | |
1265 | * 'cupsdSetStringf()' - Set a formatted string value. | |
1266 | */ | |
1267 | ||
1268 | void | |
1269 | cupsdSetStringf(char **s, /* O - New string */ | |
1270 | const char *f, /* I - Printf-style format string */ | |
1271 | ...) /* I - Additional args as needed */ | |
1272 | { | |
94436c5a | 1273 | char v[65536 + 64]; /* Formatting string value */ |
ef416fc2 | 1274 | va_list ap; /* Argument pointer */ |
1275 | char *olds; /* Old string */ | |
1276 | ||
1277 | ||
1278 | if (!s) | |
1279 | return; | |
1280 | ||
1281 | olds = *s; | |
1282 | ||
1283 | if (f) | |
1284 | { | |
1285 | va_start(ap, f); | |
1286 | vsnprintf(v, sizeof(v), f, ap); | |
1287 | va_end(ap); | |
1288 | ||
e53920b9 | 1289 | *s = _cupsStrAlloc(v); |
ef416fc2 | 1290 | } |
1291 | else | |
1292 | *s = NULL; | |
1293 | ||
1294 | if (olds) | |
e53920b9 | 1295 | _cupsStrFree(olds); |
ef416fc2 | 1296 | } |
1297 | ||
1298 | ||
1299 | /* | |
1300 | * 'parent_handler()' - Catch USR1/CHLD signals... | |
1301 | */ | |
1302 | ||
1303 | static void | |
1304 | parent_handler(int sig) /* I - Signal */ | |
1305 | { | |
1306 | /* | |
1307 | * Store the signal we got from the OS and return... | |
1308 | */ | |
1309 | ||
1310 | parent_signal = sig; | |
1311 | } | |
1312 | ||
1313 | ||
1314 | /* | |
1315 | * 'process_children()' - Process all dead children... | |
1316 | */ | |
1317 | ||
1318 | static void | |
1319 | process_children(void) | |
1320 | { | |
1321 | int status; /* Exit status of child */ | |
b9faaae1 MS |
1322 | int pid, /* Process ID of child */ |
1323 | job_id; /* Job ID of child */ | |
ef416fc2 | 1324 | cupsd_job_t *job; /* Current job */ |
1325 | int i; /* Looping var */ | |
e00b005a | 1326 | char name[1024]; /* Process name */ |
dcb445bc | 1327 | const char *type; /* Type of program */ |
ef416fc2 | 1328 | |
1329 | ||
1330 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()"); | |
1331 | ||
1332 | /* | |
1333 | * Reset the dead_children flag... | |
1334 | */ | |
1335 | ||
1336 | dead_children = 0; | |
1337 | ||
1338 | /* | |
1339 | * Collect the exit status of some children... | |
1340 | */ | |
1341 | ||
1342 | #ifdef HAVE_WAITPID | |
1343 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) | |
1344 | #elif defined(HAVE_WAIT3) | |
1345 | while ((pid = wait3(&status, WNOHANG, NULL)) > 0) | |
1346 | #else | |
1347 | if ((pid = wait(&status)) > 0) | |
1348 | #endif /* HAVE_WAITPID */ | |
1349 | { | |
ef416fc2 | 1350 | /* |
745129be | 1351 | * Collect the name of the process that finished... |
ef416fc2 | 1352 | */ |
1353 | ||
b9faaae1 | 1354 | cupsdFinishProcess(pid, name, sizeof(name), &job_id); |
e00b005a | 1355 | |
ef416fc2 | 1356 | /* |
1357 | * Delete certificates for CGI processes... | |
1358 | */ | |
1359 | ||
1360 | if (pid) | |
1361 | cupsdDeleteCert(pid); | |
1362 | ||
1363 | /* | |
b9faaae1 | 1364 | * Handle completed job filters... |
ef416fc2 | 1365 | */ |
1366 | ||
dcb445bc MS |
1367 | if (job_id > 0) |
1368 | job = cupsdFindJob(job_id); | |
1369 | else | |
1370 | job = NULL; | |
1371 | ||
1372 | if (job) | |
b9faaae1 MS |
1373 | { |
1374 | for (i = 0; job->filters[i]; i ++) | |
1375 | if (job->filters[i] == pid) | |
1376 | break; | |
1377 | ||
1378 | if (job->filters[i] || job->backend == pid) | |
ef416fc2 | 1379 | { |
b9faaae1 MS |
1380 | /* |
1381 | * OK, this process has gone away; what's left? | |
1382 | */ | |
1383 | ||
1384 | if (job->filters[i]) | |
dcb445bc | 1385 | { |
b9faaae1 | 1386 | job->filters[i] = -pid; |
dcb445bc MS |
1387 | type = "Filter"; |
1388 | } | |
b9faaae1 | 1389 | else |
dcb445bc | 1390 | { |
b9faaae1 | 1391 | job->backend = -pid; |
dcb445bc MS |
1392 | type = "Backend"; |
1393 | } | |
ef416fc2 | 1394 | |
b9faaae1 | 1395 | if (status && status != SIGTERM && status != SIGKILL && |
f3c17241 | 1396 | status != SIGPIPE) |
ef416fc2 | 1397 | { |
1398 | /* | |
b9faaae1 MS |
1399 | * An error occurred; save the exit status so we know to stop |
1400 | * the printer or cancel the job when all of the filters finish... | |
1401 | * | |
1402 | * A negative status indicates that the backend failed and the | |
1403 | * printer needs to be stopped. | |
f3c17241 MS |
1404 | * |
1405 | * In order to preserve the most serious status, we always log | |
1406 | * when a process dies due to a signal (e.g. SIGABRT, SIGSEGV, | |
1407 | * and SIGBUS) and prefer to log the backend exit status over a | |
1408 | * filter's. | |
ef416fc2 | 1409 | */ |
1410 | ||
f3c17241 MS |
1411 | int old_status = abs(job->status); |
1412 | ||
1413 | if (WIFSIGNALED(status) || /* This process crashed, or */ | |
1414 | !job->status || /* No process had a status, or */ | |
1415 | (!job->filters[i] && WIFEXITED(old_status))) | |
1416 | { /* Backend and filter didn't crash */ | |
1417 | if (job->filters[i]) | |
1418 | job->status = status; /* Filter failed */ | |
1419 | else | |
1420 | job->status = -status; /* Backend failed */ | |
1421 | } | |
ef416fc2 | 1422 | |
f11a948a | 1423 | if (job->state_value == IPP_JOB_PROCESSING && |
dcb445bc MS |
1424 | job->status_level > CUPSD_LOG_ERROR && |
1425 | (job->filters[i] || !WIFEXITED(status))) | |
ef416fc2 | 1426 | { |
f11a948a MS |
1427 | char message[1024]; /* New printer-state-message */ |
1428 | ||
1429 | ||
b9faaae1 | 1430 | job->status_level = CUPSD_LOG_ERROR; |
ef416fc2 | 1431 | |
dcb445bc | 1432 | snprintf(message, sizeof(message), "%s failed", type); |
f11a948a | 1433 | |
e07d4801 MS |
1434 | if (job->printer) |
1435 | { | |
f11a948a MS |
1436 | strlcpy(job->printer->state_message, message, |
1437 | sizeof(job->printer->state_message)); | |
e07d4801 MS |
1438 | } |
1439 | ||
1440 | if (!job->attrs) | |
1441 | cupsdLoadJob(job); | |
e00b005a | 1442 | |
e07d4801 | 1443 | if (!job->printer_message && job->attrs) |
e00b005a | 1444 | { |
b9faaae1 MS |
1445 | if ((job->printer_message = |
1446 | ippFindAttribute(job->attrs, "job-printer-state-message", | |
1447 | IPP_TAG_TEXT)) == NULL) | |
1448 | job->printer_message = ippAddString(job->attrs, IPP_TAG_JOB, | |
1449 | IPP_TAG_TEXT, | |
1450 | "job-printer-state-message", | |
5a662dc0 | 1451 | NULL, NULL); |
e00b005a | 1452 | } |
b9faaae1 | 1453 | |
e07d4801 MS |
1454 | if (job->printer_message) |
1455 | cupsdSetString(&(job->printer_message->values[0].string.text), | |
f11a948a | 1456 | message); |
ef416fc2 | 1457 | } |
b9faaae1 | 1458 | } |
ef416fc2 | 1459 | |
b9faaae1 MS |
1460 | /* |
1461 | * If this is not the last file in a job, see if all of the | |
1462 | * filters are done, and if so move to the next file. | |
1463 | */ | |
ef416fc2 | 1464 | |
5a662dc0 | 1465 | if (job->current_file < job->num_files && job->printer) |
b9faaae1 MS |
1466 | { |
1467 | for (i = 0; job->filters[i] < 0; i ++); | |
ef416fc2 | 1468 | |
82f97232 MS |
1469 | if (!job->filters[i] && |
1470 | (!job->printer->pc || !job->printer->pc->single_file || | |
1471 | job->backend <= 0)) | |
b9faaae1 MS |
1472 | { |
1473 | /* | |
1474 | * Process the next file... | |
1475 | */ | |
ef416fc2 | 1476 | |
b9faaae1 | 1477 | cupsdContinueJob(job); |
ef416fc2 | 1478 | } |
ef416fc2 | 1479 | } |
5a662dc0 | 1480 | else if (job->state_value >= IPP_JOB_CANCELED) |
7a0cbd5e MS |
1481 | { |
1482 | /* | |
1483 | * Remove the job from the active list if there are no processes still | |
1484 | * running for it... | |
1485 | */ | |
1486 | ||
1487 | for (i = 0; job->filters[i] < 0; i++); | |
1488 | ||
1489 | if (!job->filters[i] && job->backend <= 0) | |
1490 | cupsArrayRemove(ActiveJobs, job); | |
1491 | } | |
ef416fc2 | 1492 | } |
b9faaae1 | 1493 | } |
3dfe78b3 MS |
1494 | |
1495 | /* | |
745129be MS |
1496 | * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors |
1497 | * since they come when we kill/end a process... | |
3dfe78b3 MS |
1498 | */ |
1499 | ||
745129be MS |
1500 | if (status == SIGTERM || status == SIGKILL) |
1501 | { | |
dcb445bc MS |
1502 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1503 | "PID %d (%s) was terminated normally with signal %d.", pid, | |
1504 | name, status); | |
745129be | 1505 | } |
5a6b583a MS |
1506 | else if (status == SIGPIPE) |
1507 | { | |
dcb445bc MS |
1508 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1509 | "PID %d (%s) did not catch or ignore signal %d.", pid, name, | |
1510 | status); | |
5a6b583a | 1511 | } |
745129be | 1512 | else if (status) |
3dfe78b3 MS |
1513 | { |
1514 | if (WIFEXITED(status)) | |
88f9aafc MS |
1515 | { |
1516 | int code = WEXITSTATUS(status); /* Exit code */ | |
1517 | ||
1518 | if (code > 100) | |
dcb445bc MS |
1519 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1520 | "PID %d (%s) stopped with status %d (%s)", pid, name, | |
1521 | code, strerror(code - 100)); | |
88f9aafc | 1522 | else |
dcb445bc MS |
1523 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1524 | "PID %d (%s) stopped with status %d.", pid, name, code); | |
88f9aafc | 1525 | } |
3dfe78b3 | 1526 | else |
dcb445bc MS |
1527 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) crashed on signal %d.", |
1528 | pid, name, WTERMSIG(status)); | |
3dfe78b3 MS |
1529 | |
1530 | if (LogLevel < CUPSD_LOG_DEBUG) | |
dcb445bc MS |
1531 | cupsdLogJob(job, CUPSD_LOG_INFO, |
1532 | "Hint: Try setting the LogLevel to \"debug\" to find out " | |
1533 | "more."); | |
3dfe78b3 MS |
1534 | } |
1535 | else | |
dcb445bc MS |
1536 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.", |
1537 | pid, name); | |
ef416fc2 | 1538 | } |
dfd5680b MS |
1539 | |
1540 | /* | |
1541 | * If wait*() is interrupted by a signal, tell main() to call us again... | |
1542 | */ | |
1543 | ||
1544 | if (pid < 0 && errno == EINTR) | |
1545 | dead_children = 1; | |
ef416fc2 | 1546 | } |
1547 | ||
1548 | ||
ef416fc2 | 1549 | /* |
1550 | * 'select_timeout()' - Calculate the select timeout value. | |
1551 | * | |
1552 | */ | |
1553 | ||
1554 | static long /* O - Number of seconds */ | |
bd7854cb | 1555 | select_timeout(int fds) /* I - Number of descriptors returned */ |
ef416fc2 | 1556 | { |
ef416fc2 | 1557 | long timeout; /* Timeout for select */ |
1558 | time_t now; /* Current time */ | |
1559 | cupsd_client_t *con; /* Client information */ | |
ef416fc2 | 1560 | cupsd_job_t *job; /* Job information */ |
1561 | cupsd_subscription_t *sub; /* Subscription information */ | |
1562 | const char *why; /* Debugging aid */ | |
1563 | ||
1564 | ||
82cc1f9a MS |
1565 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout: JobHistoryUpdate=%ld", |
1566 | (long)JobHistoryUpdate); | |
1567 | ||
ef416fc2 | 1568 | /* |
1569 | * Check to see if any of the clients have pending data to be | |
1570 | * processed; if so, the timeout should be 0... | |
1571 | */ | |
1572 | ||
bd7854cb | 1573 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1574 | con; | |
1575 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1a18c85c | 1576 | if (httpGetReady(con->http)) |
ef416fc2 | 1577 | return (0); |
1578 | ||
1579 | /* | |
f7deaa1a | 1580 | * If select has been active in the last second (fds > 0) or we have |
ef416fc2 | 1581 | * many resources in use then don't bother trying to optimize the |
1582 | * timeout, just make it 1 second. | |
1583 | */ | |
1584 | ||
f7deaa1a | 1585 | if (fds > 0 || cupsArrayCount(Clients) > 50) |
ef416fc2 | 1586 | return (1); |
1587 | ||
1588 | /* | |
1589 | * Otherwise, check all of the possible events that we need to wake for... | |
1590 | */ | |
1591 | ||
1592 | now = time(NULL); | |
1593 | timeout = now + 86400; /* 86400 == 1 day */ | |
1594 | why = "do nothing"; | |
1595 | ||
e6013cfa MS |
1596 | #ifdef __APPLE__ |
1597 | /* | |
1598 | * When going to sleep, wake up to cancel jobs that don't complete in time. | |
1599 | */ | |
1600 | ||
1601 | if (SleepJobs > 0 && SleepJobs < timeout) | |
1602 | { | |
1603 | timeout = SleepJobs; | |
1604 | why = "cancel jobs before sleeping"; | |
1605 | } | |
1606 | #endif /* __APPLE__ */ | |
1607 | ||
76cd9e37 MS |
1608 | /* |
1609 | * Check whether we are accepting new connections... | |
1610 | */ | |
1611 | ||
1612 | if (ListeningPaused > 0 && cupsArrayCount(Clients) < MaxClients && | |
1613 | ListeningPaused < timeout) | |
1614 | { | |
1615 | if (ListeningPaused <= now) | |
1616 | timeout = now; | |
1617 | else | |
1618 | timeout = ListeningPaused; | |
1619 | ||
1620 | why = "resume listening"; | |
1621 | } | |
1622 | ||
ef416fc2 | 1623 | /* |
1624 | * Check the activity and close old clients... | |
1625 | */ | |
1626 | ||
bd7854cb | 1627 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1628 | con; | |
1629 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1a18c85c | 1630 | if ((httpGetActivity(con->http) + Timeout) < timeout) |
ef416fc2 | 1631 | { |
1a18c85c | 1632 | timeout = httpGetActivity(con->http) + Timeout; |
ef416fc2 | 1633 | why = "timeout a client connection"; |
1634 | } | |
1635 | ||
3dfe78b3 | 1636 | /* |
bf3816c7 | 1637 | * Write out changes to configuration and state files... |
3dfe78b3 MS |
1638 | */ |
1639 | ||
1640 | if (DirtyCleanTime && timeout > DirtyCleanTime) | |
1641 | { | |
1642 | timeout = DirtyCleanTime; | |
1643 | why = "write dirty config/state files"; | |
1644 | } | |
1645 | ||
ef416fc2 | 1646 | /* |
82cc1f9a | 1647 | * Check for any job activity... |
ef416fc2 | 1648 | */ |
1649 | ||
82cc1f9a MS |
1650 | if (JobHistoryUpdate && timeout > JobHistoryUpdate) |
1651 | { | |
1652 | timeout = JobHistoryUpdate; | |
1653 | why = "update job history"; | |
1654 | } | |
1655 | ||
238c3832 MS |
1656 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
1657 | job; | |
1658 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
ef416fc2 | 1659 | { |
82cc1f9a MS |
1660 | if (job->cancel_time && job->cancel_time < timeout) |
1661 | { | |
1662 | timeout = job->cancel_time; | |
1663 | why = "cancel stuck jobs"; | |
1664 | } | |
1665 | ||
238c3832 MS |
1666 | if (job->kill_time && job->kill_time < timeout) |
1667 | { | |
1668 | timeout = job->kill_time; | |
1669 | why = "kill unresponsive jobs"; | |
1670 | } | |
82cc1f9a MS |
1671 | |
1672 | if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout) | |
238c3832 MS |
1673 | { |
1674 | timeout = job->hold_until; | |
1675 | why = "release held jobs"; | |
1676 | } | |
82cc1f9a MS |
1677 | |
1678 | if (job->state_value == IPP_JOB_PENDING && timeout > (now + 10)) | |
238c3832 MS |
1679 | { |
1680 | timeout = now + 10; | |
1681 | why = "start pending jobs"; | |
1682 | break; | |
1683 | } | |
ef416fc2 | 1684 | } |
1685 | ||
1686 | #ifdef HAVE_MALLINFO | |
1687 | /* | |
1688 | * Log memory usage every minute... | |
1689 | */ | |
1690 | ||
1691 | if (LogLevel >= CUPSD_LOG_DEBUG && (mallinfo_time + 60) < timeout) | |
1692 | { | |
1693 | timeout = mallinfo_time + 60; | |
1694 | why = "display memory usage"; | |
1695 | } | |
1696 | #endif /* HAVE_MALLINFO */ | |
1697 | ||
ef416fc2 | 1698 | /* |
1699 | * Expire subscriptions as needed... | |
1700 | */ | |
1701 | ||
1702 | for (sub = (cupsd_subscription_t *)cupsArrayFirst(Subscriptions); | |
1703 | sub; | |
1704 | sub = (cupsd_subscription_t *)cupsArrayNext(Subscriptions)) | |
bd7854cb | 1705 | if (!sub->job && sub->expire && sub->expire < timeout) |
ef416fc2 | 1706 | { |
1707 | timeout = sub->expire; | |
1708 | why = "expire subscription"; | |
1709 | } | |
1710 | ||
1711 | /* | |
dcb445bc MS |
1712 | * Adjust from absolute to relative time. We add 1 second to the timeout since |
1713 | * events occur after the timeout expires, and limit the timeout to 86400 | |
1714 | * seconds (1 day) to avoid select() timeout limits present on some operating | |
ef416fc2 | 1715 | * systems... |
1716 | */ | |
1717 | ||
1718 | timeout = timeout - now + 1; | |
1719 | ||
1720 | if (timeout < 1) | |
1721 | timeout = 1; | |
1722 | else if (timeout > 86400) | |
1723 | timeout = 86400; | |
1724 | ||
1725 | /* | |
1726 | * Log and return the timeout value... | |
1727 | */ | |
1728 | ||
f7deaa1a | 1729 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout(%d): %ld seconds to %s", |
1730 | fds, timeout, why); | |
ef416fc2 | 1731 | |
1732 | return (timeout); | |
1733 | } | |
1734 | ||
1735 | ||
e6013cfa MS |
1736 | /* |
1737 | * 'sigchld_handler()' - Handle 'child' signals from old processes. | |
1738 | */ | |
1739 | ||
1740 | static void | |
1741 | sigchld_handler(int sig) /* I - Signal number */ | |
1742 | { | |
1743 | (void)sig; | |
1744 | ||
1745 | /* | |
1746 | * Flag that we have dead children... | |
1747 | */ | |
1748 | ||
1749 | dead_children = 1; | |
1750 | ||
1751 | /* | |
1752 | * Reset the signal handler as needed... | |
1753 | */ | |
1754 | ||
1755 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1756 | signal(SIGCLD, sigchld_handler); | |
1757 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1758 | } | |
1759 | ||
1760 | ||
1761 | /* | |
1762 | * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler. | |
1763 | */ | |
1764 | ||
1765 | static void | |
1766 | sighup_handler(int sig) /* I - Signal number */ | |
1767 | { | |
1768 | (void)sig; | |
1769 | ||
1770 | NeedReload = RELOAD_ALL; | |
1771 | ReloadTime = time(NULL); | |
1772 | ||
1773 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1774 | signal(SIGHUP, sighup_handler); | |
1775 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1776 | } | |
1777 | ||
1778 | ||
1779 | /* | |
1780 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler. | |
1781 | */ | |
1782 | ||
1783 | static void | |
1784 | sigterm_handler(int sig) /* I - Signal number */ | |
1785 | { | |
1786 | (void)sig; /* remove compiler warnings... */ | |
1787 | ||
1788 | /* | |
1789 | * Flag that we should stop and return... | |
1790 | */ | |
1791 | ||
1792 | stop_scheduler = 1; | |
1793 | } | |
1794 | ||
1795 | ||
1a18c85c MS |
1796 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
1797 | /* | |
1798 | * 'service_checkin()' - Check-in with launchd and collect the listening fds. | |
1799 | */ | |
1800 | ||
1801 | static void | |
1802 | service_checkin(void) | |
1803 | { | |
1804 | # ifdef HAVE_LAUNCH_ACTIVATE_SOCKET | |
1805 | int error; /* Check-in error, if any */ | |
1806 | size_t i, /* Looping var */ | |
1807 | count; /* Number of listeners */ | |
1808 | int *ld_sockets; /* Listener sockets */ | |
1809 | cupsd_listener_t *lis; /* Listeners array */ | |
1810 | http_addr_t addr; /* Address variable */ | |
1811 | socklen_t addrlen; /* Length of address */ | |
1812 | char s[256]; /* String addresss */ | |
1813 | ||
1814 | ||
1815 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1816 | ||
1817 | /* | |
1818 | * Check-in with launchd... | |
1819 | */ | |
1820 | ||
1821 | if ((error = launch_activate_socket("Listeners", &ld_sockets, &count)) != 0) | |
1822 | { | |
1823 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(error)); | |
1824 | exit(EXIT_FAILURE); | |
1825 | return; /* anti-compiler-warning */ | |
1826 | } | |
1827 | ||
1828 | /* | |
1829 | * Try to match the launchd sockets to the cupsd listeners... | |
1830 | */ | |
1831 | ||
1832 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1833 | ||
1834 | for (i = 0; i < count; i ++) | |
1835 | { | |
1836 | /* | |
1837 | * Get the launchd socket address... | |
1838 | */ | |
1839 | ||
1840 | addrlen = sizeof(addr); | |
1841 | ||
1842 | if (getsockname(ld_sockets[i], (struct sockaddr *)&addr, &addrlen)) | |
1843 | { | |
1844 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
1845 | continue; | |
1846 | } | |
1847 | ||
1848 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, ld_sockets[i], httpAddrString(&addr, s, sizeof(s))); | |
1849 | ||
1850 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1851 | lis; | |
1852 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1853 | if (httpAddrEqual(&lis->address, &addr)) | |
1854 | break; | |
1855 | ||
1856 | /* | |
1857 | * Add a new listener if there's no match... | |
1858 | */ | |
1859 | ||
1860 | if (lis) | |
1861 | { | |
1862 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
1863 | } | |
1864 | else | |
1865 | { | |
1866 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
1867 | ||
1868 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
1869 | { | |
1870 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
1871 | exit(EXIT_FAILURE); | |
1872 | } | |
1873 | ||
1874 | cupsArrayAdd(Listeners, lis); | |
1875 | ||
1876 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
1877 | } | |
1878 | ||
1879 | lis->fd = ld_sockets[i]; | |
1880 | lis->on_demand = 1; | |
1881 | ||
1882 | # ifdef HAVE_SSL | |
1883 | if (httpAddrPort(&(lis->address)) == 443) | |
1884 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
1885 | # endif /* HAVE_SSL */ | |
1886 | } | |
1887 | ||
1888 | # elif defined(HAVE_LAUNCHD) | |
1889 | size_t i, /* Looping var */ | |
1890 | count; /* Number of listeners */ | |
1891 | launch_data_t ld_msg, /* Launch data message */ | |
1892 | ld_resp, /* Launch data response */ | |
1893 | ld_array, /* Launch data array */ | |
1894 | ld_sockets, /* Launch data sockets dictionary */ | |
1895 | tmp; /* Launch data */ | |
1896 | cupsd_listener_t *lis; /* Listeners array */ | |
1897 | http_addr_t addr; /* Address variable */ | |
1898 | socklen_t addrlen; /* Length of address */ | |
1899 | int fd; /* File descriptor */ | |
1900 | char s[256]; /* String addresss */ | |
1901 | ||
1902 | ||
1903 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1904 | ||
1905 | /* | |
1906 | * Check-in with launchd... | |
1907 | */ | |
1908 | ||
1909 | ld_msg = launch_data_new_string(LAUNCH_KEY_CHECKIN); | |
1910 | if ((ld_resp = launch_msg(ld_msg)) == NULL) | |
1911 | { | |
1912 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1913 | "service_checkin: launch_msg(\"" LAUNCH_KEY_CHECKIN | |
1914 | "\") IPC failure"); | |
1915 | exit(EXIT_FAILURE); | |
1916 | return; /* anti-compiler-warning */ | |
1917 | } | |
1918 | ||
1919 | if (launch_data_get_type(ld_resp) == LAUNCH_DATA_ERRNO) | |
1920 | { | |
1921 | errno = launch_data_get_errno(ld_resp); | |
1922 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Check-in failed: %s", | |
1923 | strerror(errno)); | |
1924 | exit(EXIT_FAILURE); | |
1925 | return; /* anti-compiler-warning */ | |
1926 | } | |
1927 | ||
1928 | /* | |
1929 | * Get the sockets dictionary... | |
1930 | */ | |
1931 | ||
1932 | if ((ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS)) | |
1933 | == NULL) | |
1934 | { | |
1935 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1936 | "service_checkin: No sockets found to answer requests on."); | |
1937 | exit(EXIT_FAILURE); | |
1938 | return; /* anti-compiler-warning */ | |
1939 | } | |
1940 | ||
1941 | /* | |
1942 | * Get the array of listener sockets... | |
1943 | */ | |
1944 | ||
1945 | if ((ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")) == NULL) | |
1946 | { | |
1947 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1948 | "service_checkin: No sockets found to answer requests on."); | |
1949 | exit(EXIT_FAILURE); | |
1950 | return; /* anti-compiler-warning */ | |
1951 | } | |
1952 | ||
1953 | /* | |
1954 | * Add listening fd(s) to the Listener array... | |
1955 | */ | |
1956 | ||
1957 | if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY) | |
1958 | { | |
1959 | count = launch_data_array_get_count(ld_array); | |
1960 | ||
1961 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1962 | ||
1963 | for (i = 0; i < count; i ++) | |
1964 | { | |
1965 | /* | |
1966 | * Get the launchd file descriptor and address... | |
1967 | */ | |
1968 | ||
1969 | if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL) | |
1970 | { | |
1971 | fd = launch_data_get_fd(tmp); | |
1972 | addrlen = sizeof(addr); | |
1973 | ||
1974 | if (getsockname(fd, (struct sockaddr *)&addr, &addrlen)) | |
1975 | { | |
1976 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
1977 | continue; | |
1978 | } | |
1979 | ||
1980 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, fd, httpAddrString(&addr, s, sizeof(s))); | |
1981 | ||
1982 | /* | |
1983 | * Try to match the launchd socket address to one of the listeners... | |
1984 | */ | |
1985 | ||
1986 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1987 | lis; | |
1988 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1989 | if (httpAddrEqual(&lis->address, &addr)) | |
1990 | break; | |
1991 | ||
1992 | /* | |
1993 | * Add a new listener If there's no match... | |
1994 | */ | |
1995 | ||
1996 | if (lis) | |
1997 | { | |
1998 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
1999 | } | |
2000 | else | |
2001 | { | |
2002 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2003 | ||
2004 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2005 | { | |
2006 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s.", strerror(errno)); | |
2007 | exit(EXIT_FAILURE); | |
2008 | } | |
2009 | ||
2010 | cupsArrayAdd(Listeners, lis); | |
2011 | ||
2012 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2013 | } | |
2014 | ||
2015 | lis->fd = fd; | |
2016 | lis->on_demand = 1; | |
2017 | ||
2018 | # ifdef HAVE_SSL | |
2019 | if (httpAddrPort(&(lis->address)) == 443) | |
2020 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2021 | # endif /* HAVE_SSL */ | |
2022 | } | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | launch_data_free(ld_msg); | |
2027 | launch_data_free(ld_resp); | |
2028 | ||
2029 | # else /* HAVE_SYSTEMD */ | |
2030 | int i, /* Looping var */ | |
2031 | count; /* Number of listeners */ | |
2032 | cupsd_listener_t *lis; /* Listeners array */ | |
2033 | http_addr_t addr; /* Address variable */ | |
2034 | socklen_t addrlen; /* Length of address */ | |
2035 | char s[256]; /* String addresss */ | |
2036 | ||
2037 | ||
2038 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
2039 | ||
2040 | /* | |
2041 | * Check-in with systemd... | |
2042 | */ | |
2043 | ||
2044 | if ((count = sd_listen_fds(0)) < 0) | |
2045 | { | |
2046 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(-count)); | |
2047 | exit(EXIT_FAILURE); | |
2048 | return; /* anti-compiler-warning */ | |
2049 | } | |
2050 | ||
2051 | /* | |
2052 | * Try to match the systemd sockets to the cupsd listeners... | |
2053 | */ | |
2054 | ||
2055 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", count); | |
2056 | ||
2057 | for (i = 0; i < count; i ++) | |
2058 | { | |
2059 | /* | |
2060 | * Get the launchd socket address... | |
2061 | */ | |
2062 | ||
2063 | addrlen = sizeof(addr); | |
2064 | ||
2065 | if (getsockname(SD_LISTEN_FDS_START + i, (struct sockaddr *)&addr, &addrlen)) | |
2066 | { | |
2067 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
2068 | continue; | |
2069 | } | |
2070 | ||
2071 | 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))); | |
2072 | ||
2073 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
2074 | lis; | |
2075 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
2076 | if (httpAddrEqual(&lis->address, &addr)) | |
2077 | break; | |
2078 | ||
2079 | /* | |
2080 | * Add a new listener if there's no match... | |
2081 | */ | |
2082 | ||
2083 | if (lis) | |
2084 | { | |
2085 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
2086 | } | |
2087 | else | |
2088 | { | |
2089 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2090 | ||
2091 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2092 | { | |
2093 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
2094 | exit(EXIT_FAILURE); | |
2095 | } | |
2096 | ||
2097 | cupsArrayAdd(Listeners, lis); | |
2098 | ||
2099 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2100 | } | |
2101 | ||
2102 | lis->fd = SD_LISTEN_FDS_START + i; | |
2103 | lis->on_demand = 1; | |
2104 | ||
2105 | # ifdef HAVE_SSL | |
2106 | if (httpAddrPort(&(lis->address)) == 443) | |
2107 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2108 | # endif /* HAVE_SSL */ | |
2109 | } | |
2110 | # endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */ | |
2111 | } | |
2112 | ||
2113 | ||
2114 | /* | |
2115 | * 'service_checkout()' - Update the CUPS_KEEPALIVE file as needed. | |
2116 | */ | |
2117 | ||
2118 | static void | |
2119 | service_checkout(void) | |
2120 | { | |
2121 | int fd; /* File descriptor */ | |
2122 | ||
2123 | ||
2124 | /* | |
2125 | * Create or remove the systemd path file based on whether there are active | |
2126 | * jobs or shared printers to advertise... | |
2127 | */ | |
2128 | ||
2129 | if (cupsArrayCount(ActiveJobs) || | |
2130 | (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers))) | |
2131 | { | |
2132 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2133 | ||
2134 | if ((fd = open(CUPS_KEEPALIVE, O_RDONLY | O_CREAT | O_EXCL, S_IRUSR)) >= 0) | |
2135 | close(fd); | |
2136 | } | |
2137 | else | |
2138 | { | |
2139 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Removing keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2140 | ||
2141 | unlink(CUPS_KEEPALIVE); | |
2142 | } | |
2143 | } | |
2144 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
2145 | ||
2146 | ||
ef416fc2 | 2147 | /* |
2148 | * 'usage()' - Show scheduler usage. | |
2149 | */ | |
2150 | ||
2151 | static void | |
a4d04587 | 2152 | usage(int status) /* O - Exit status */ |
ef416fc2 | 2153 | { |
0837b7e8 MS |
2154 | FILE *fp = status ? stderr : stdout; /* Output file */ |
2155 | ||
2156 | ||
2157 | _cupsLangPuts(fp, _("Usage: cupsd [options]")); | |
2158 | _cupsLangPuts(fp, _("Options:")); | |
f3c17241 | 2159 | _cupsLangPuts(fp, _(" -c cupsd.conf Set cupsd.conf file to use.")); |
84315f46 MS |
2160 | _cupsLangPuts(fp, _(" -f Run in the foreground.")); |
2161 | _cupsLangPuts(fp, _(" -F Run in the foreground but " | |
2162 | "detach from console.")); | |
2163 | _cupsLangPuts(fp, _(" -h Show this usage message.")); | |
1a18c85c | 2164 | _cupsLangPuts(fp, _(" -l Run cupsd on demand.")); |
84315f46 | 2165 | _cupsLangPuts(fp, _(" -t Test the configuration " |
0837b7e8 | 2166 | "file.")); |
0837b7e8 | 2167 | |
a4d04587 | 2168 | exit(status); |
ef416fc2 | 2169 | } |
2170 | ||
2171 | ||
2172 | /* | |
1a18c85c | 2173 | * End of "$Id: main.c 11722 2014-03-21 18:28:30Z msweet $". |
ef416fc2 | 2174 | */ |