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Commit | Line | Data |
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ef416fc2 | 1 | /* |
581dae2d | 2 | * Main loop for the CUPS scheduler. |
ef416fc2 | 3 | * |
79d3cd17 | 4 | * Copyright 2007-2016 by Apple Inc. |
581dae2d | 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 6 | * |
581dae2d MS |
7 | * These coded instructions, statements, and computer programs are the |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * "LICENSE" which should have been included with this file. If this | |
11 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 12 | */ |
13 | ||
14 | /* | |
15 | * Include necessary headers... | |
16 | */ | |
17 | ||
18 | #define _MAIN_C_ | |
19 | #include "cupsd.h" | |
20 | #include <sys/resource.h> | |
a1797929 MS |
21 | #ifdef HAVE_ASL_H |
22 | # include <asl.h> | |
23 | #elif defined(HAVE_SYSTEMD_SD_JOURNAL_H) | |
24 | # define SD_JOURNAL_SUPPRESS_LOCATION | |
25 | # include <systemd/sd-journal.h> | |
26 | #endif /* HAVE_ASL_H */ | |
ef416fc2 | 27 | #include <syslog.h> |
28 | #include <grp.h> | |
29 | ||
a4d04587 | 30 | #ifdef HAVE_LAUNCH_H |
31 | # include <launch.h> | |
32 | # include <libgen.h> | |
ba55dc12 | 33 | # define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd" |
f7deaa1a | 34 | /* Name of the launchd KeepAlive file */ |
02f3db8a MS |
35 | # ifdef HAVE_LAUNCH_ACTIVATE_SOCKET |
36 | /* Update when we have a public header we can include */ | |
37 | extern int launch_activate_socket(const char *name, int **fds, size_t *cnt); | |
38 | # endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */ | |
a4d04587 | 39 | #endif /* HAVE_LAUNCH_H */ |
40 | ||
1720786e | 41 | #ifdef HAVE_SYSTEMD |
5950e7bd | 42 | # include <systemd/sd-daemon.h> |
1720786e MS |
43 | # define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd" |
44 | /* Name of the systemd path file */ | |
45 | #endif /* HAVE_SYSTEMD */ | |
46 | ||
ef416fc2 | 47 | #if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO) |
48 | # include <malloc.h> | |
49 | #endif /* HAVE_MALLOC_H && HAVE_MALLINFO */ | |
3dd9c340 | 50 | |
fa73b229 | 51 | #ifdef HAVE_NOTIFY_H |
52 | # include <notify.h> | |
53 | #endif /* HAVE_NOTIFY_H */ | |
ef416fc2 | 54 | |
e7f455a5 MS |
55 | #ifdef HAVE_DBUS |
56 | # include <dbus/dbus.h> | |
57 | #endif /* HAVE_DBUS */ | |
58 | ||
3dd9c340 MS |
59 | #ifdef HAVE_SYS_PARAM_H |
60 | # include <sys/param.h> | |
61 | #endif /* HAVE_SYS_PARAM_H */ | |
62 | ||
ef416fc2 | 63 | |
64 | /* | |
65 | * Local functions... | |
66 | */ | |
67 | ||
411affcf | 68 | static void parent_handler(int sig); |
69 | static void process_children(void); | |
70 | static void sigchld_handler(int sig); | |
71 | static void sighup_handler(int sig); | |
72 | static void sigterm_handler(int sig); | |
73 | static long select_timeout(int fds); | |
1720786e MS |
74 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
75 | static void service_checkin(void); | |
76 | static void service_checkout(void); | |
77 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
85dda01c | 78 | static void usage(int status) __attribute__((noreturn)); |
ef416fc2 | 79 | |
80 | ||
81 | /* | |
82 | * Local globals... | |
83 | */ | |
84 | ||
411affcf | 85 | static int parent_signal = 0; |
86 | /* Set to signal number from child */ | |
87 | static int holdcount = 0; /* Number of times "hold" was called */ | |
ef416fc2 | 88 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
411affcf | 89 | static sigset_t holdmask; /* Old POSIX signal mask */ |
ef416fc2 | 90 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
411affcf | 91 | static int dead_children = 0; |
92 | /* Dead children? */ | |
93 | static int stop_scheduler = 0; | |
94 | /* Should the scheduler stop? */ | |
95 | ||
ef416fc2 | 96 | |
97 | /* | |
98 | * 'main()' - Main entry for the CUPS scheduler. | |
99 | */ | |
100 | ||
101 | int /* O - Exit status */ | |
bd7854cb | 102 | main(int argc, /* I - Number of command-line args */ |
ef416fc2 | 103 | char *argv[]) /* I - Command-line arguments */ |
104 | { | |
105 | int i; /* Looping var */ | |
106 | char *opt; /* Option character */ | |
108f7505 MS |
107 | int close_all = 1, /* Close all file descriptors? */ |
108 | disconnect = 1, /* Disconnect from controlling terminal? */ | |
109 | fg = 0, /* Run in foreground? */ | |
2dd94018 | 110 | run_as_child = 0, |
108f7505 | 111 | /* Running as child process? */ |
2dd94018 MS |
112 | print_profile = 0; |
113 | /* Print the sandbox profile to stdout? */ | |
bd7854cb | 114 | int fds; /* Number of ready descriptors */ |
ef416fc2 | 115 | cupsd_client_t *con; /* Current client */ |
116 | cupsd_job_t *job; /* Current job */ | |
117 | cupsd_listener_t *lis; /* Current listener */ | |
118 | time_t current_time, /* Current time */ | |
a4d04587 | 119 | activity, /* Client activity timer */ |
ef416fc2 | 120 | senddoc_time, /* Send-Document time */ |
411affcf | 121 | expire_time, /* Subscription expire time */ |
50fe7201 | 122 | report_time, /* Malloc/client/job report time */ |
5a662dc0 | 123 | event_time; /* Last event notification time */ |
f7deaa1a | 124 | long timeout; /* Timeout for cupsdDoSelect() */ |
ef416fc2 | 125 | struct rlimit limit; /* Runtime limit */ |
126 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
127 | struct sigaction action; /* Actions for POSIX signals */ | |
128 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
a41f09e2 | 129 | #ifdef __APPLE__ |
1deb86fd | 130 | int use_sysman = 1; /* Use system management functions? */ |
a4924f6c MS |
131 | #else |
132 | time_t netif_time = 0; /* Time since last network update */ | |
a41f09e2 | 133 | #endif /* __APPLE__ */ |
1720786e MS |
134 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
135 | int service_idle_exit; | |
a4d04587 | 136 | /* Idle exit on select timeout? */ |
1720786e | 137 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
ef416fc2 | 138 | |
139 | ||
db1f069b MS |
140 | #ifdef HAVE_GETEUID |
141 | /* | |
142 | * Check for setuid invocation, which we do not support! | |
143 | */ | |
144 | ||
145 | if (getuid() != geteuid()) | |
146 | { | |
1deb86fd | 147 | fputs("cupsd: Cannot run as a setuid program.\n", stderr); |
db1f069b MS |
148 | return (1); |
149 | } | |
150 | #endif /* HAVE_GETEUID */ | |
151 | ||
ef416fc2 | 152 | /* |
153 | * Check for command-line arguments... | |
154 | */ | |
155 | ||
4400e98d | 156 | fg = 0; |
ef416fc2 | 157 | |
09a101d6 | 158 | #ifdef HAVE_LAUNCHD |
159 | if (getenv("CUPSD_LAUNCHD")) | |
160 | { | |
108f7505 MS |
161 | OnDemand = 1; |
162 | fg = 1; | |
163 | close_all = 0; | |
164 | disconnect = 0; | |
09a101d6 | 165 | } |
166 | #endif /* HAVE_LAUNCHD */ | |
167 | ||
ef416fc2 | 168 | for (i = 1; i < argc; i ++) |
169 | if (argv[i][0] == '-') | |
170 | for (opt = argv[i] + 1; *opt != '\0'; opt ++) | |
171 | switch (*opt) | |
172 | { | |
a41f09e2 MS |
173 | case 'C' : /* Run as child with config file */ |
174 | run_as_child = 1; | |
108f7505 MS |
175 | fg = 1; |
176 | close_all = 0; | |
a41f09e2 | 177 | |
ef416fc2 | 178 | case 'c' : /* Configuration file */ |
179 | i ++; | |
180 | if (i >= argc) | |
a4d04587 | 181 | { |
182 | _cupsLangPuts(stderr, _("cupsd: Expected config filename " | |
0837b7e8 | 183 | "after \"-c\" option.")); |
a4d04587 | 184 | usage(1); |
185 | } | |
ef416fc2 | 186 | |
187 | if (argv[i][0] == '/') | |
188 | { | |
189 | /* | |
190 | * Absolute directory... | |
191 | */ | |
192 | ||
193 | cupsdSetString(&ConfigurationFile, argv[i]); | |
194 | } | |
195 | else | |
196 | { | |
197 | /* | |
198 | * Relative directory... | |
199 | */ | |
200 | ||
09ec0018 | 201 | char *current; /* Current directory */ |
ef416fc2 | 202 | |
09ec0018 | 203 | /* |
204 | * Allocate a buffer for the current working directory to | |
205 | * reduce run-time stack usage; this approximates the | |
206 | * behavior of some implementations of getcwd() when they | |
207 | * are passed a NULL pointer. | |
208 | */ | |
209 | ||
91c84a35 MS |
210 | if ((current = malloc(1024)) == NULL) |
211 | { | |
212 | _cupsLangPuts(stderr, | |
0837b7e8 | 213 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
214 | return (1); |
215 | } | |
216 | ||
217 | if (!getcwd(current, 1024)) | |
218 | { | |
219 | _cupsLangPuts(stderr, | |
0837b7e8 | 220 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
221 | free(current); |
222 | return (1); | |
223 | } | |
09ec0018 | 224 | |
ef416fc2 | 225 | cupsdSetStringf(&ConfigurationFile, "%s/%s", current, argv[i]); |
09ec0018 | 226 | free(current); |
ef416fc2 | 227 | } |
228 | break; | |
229 | ||
230 | case 'f' : /* Run in foreground... */ | |
108f7505 MS |
231 | fg = 1; |
232 | disconnect = 0; | |
233 | close_all = 0; | |
ef416fc2 | 234 | break; |
235 | ||
bd7854cb | 236 | case 'F' : /* Run in foreground, but disconnect from terminal... */ |
108f7505 MS |
237 | fg = 1; |
238 | close_all = 0; | |
ef416fc2 | 239 | break; |
240 | ||
a4d04587 | 241 | case 'h' : /* Show usage/help */ |
242 | usage(0); | |
243 | break; | |
244 | ||
1720786e MS |
245 | case 'l' : /* Started by launchd/systemd... */ |
246 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) | |
108f7505 MS |
247 | OnDemand = 1; |
248 | fg = 1; | |
249 | close_all = 0; | |
250 | disconnect = 0; | |
a4d04587 | 251 | #else |
1720786e | 252 | _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled " |
0837b7e8 | 253 | "in, running in normal mode.")); |
108f7505 MS |
254 | fg = 0; |
255 | disconnect = 1; | |
256 | close_all = 1; | |
1720786e | 257 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 258 | break; |
259 | ||
a74454a7 | 260 | case 'p' : /* Stop immediately for profiling */ |
5a662dc0 MS |
261 | fputs("cupsd: -p (startup profiling) is for internal testing " |
262 | "use only!\n", stderr); | |
a74454a7 | 263 | stop_scheduler = 1; |
264 | fg = 1; | |
108f7505 MS |
265 | disconnect = 0; |
266 | close_all = 0; | |
a74454a7 | 267 | break; |
268 | ||
1340db2d | 269 | case 'P' : /* Disable security profiles */ |
8fe0183a MS |
270 | fputs("cupsd: -P (disable sandboxing) is for internal testing use only.\n", stderr); |
271 | UseSandboxing = 0; | |
1340db2d MS |
272 | break; |
273 | ||
c41769ff MS |
274 | case 's' : /* Set cups-files.conf location */ |
275 | i ++; | |
276 | if (i >= argc) | |
277 | { | |
278 | _cupsLangPuts(stderr, _("cupsd: Expected cups-files.conf " | |
279 | "filename after \"-s\" option.")); | |
280 | usage(1); | |
281 | } | |
282 | ||
283 | if (argv[i][0] != '/') | |
284 | { | |
285 | /* | |
286 | * Relative filename not allowed... | |
287 | */ | |
288 | ||
289 | _cupsLangPuts(stderr, _("cupsd: Relative cups-files.conf " | |
290 | "filename not allowed.")); | |
291 | usage(1); | |
292 | } | |
293 | ||
294 | cupsdSetString(&CupsFilesFile, argv[i]); | |
295 | break; | |
296 | ||
68b10830 MS |
297 | #ifdef __APPLE__ |
298 | case 'S' : /* Disable system management functions */ | |
5a662dc0 MS |
299 | fputs("cupsd: -S (disable system management) for internal " |
300 | "testing use only!\n", stderr); | |
68b10830 MS |
301 | use_sysman = 0; |
302 | break; | |
303 | #endif /* __APPLE__ */ | |
304 | ||
2e4ff8af MS |
305 | case 't' : /* Test the cupsd.conf file... */ |
306 | TestConfigFile = 1; | |
307 | fg = 1; | |
108f7505 MS |
308 | disconnect = 0; |
309 | close_all = 0; | |
2e4ff8af MS |
310 | break; |
311 | ||
2dd94018 MS |
312 | case 'T' : /* Print security profile */ |
313 | print_profile = 1; | |
314 | fg = 1; | |
315 | disconnect = 0; | |
316 | close_all = 0; | |
317 | break; | |
318 | ||
ef416fc2 | 319 | default : /* Unknown option */ |
a4d04587 | 320 | _cupsLangPrintf(stderr, _("cupsd: Unknown option \"%c\" - " |
0837b7e8 | 321 | "aborting."), *opt); |
a4d04587 | 322 | usage(1); |
ef416fc2 | 323 | break; |
324 | } | |
325 | else | |
326 | { | |
0837b7e8 | 327 | _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."), |
a4d04587 | 328 | argv[i]); |
329 | usage(1); | |
ef416fc2 | 330 | } |
331 | ||
332 | if (!ConfigurationFile) | |
333 | cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf"); | |
334 | ||
cb7f98ee MS |
335 | if (!CupsFilesFile) |
336 | { | |
337 | char *filename, /* Copy of cupsd.conf filename */ | |
338 | *slash; /* Final slash in cupsd.conf filename */ | |
339 | size_t len; /* Size of buffer */ | |
340 | ||
341 | len = strlen(ConfigurationFile) + 15; | |
342 | if ((filename = malloc(len)) == NULL) | |
343 | { | |
344 | _cupsLangPrintf(stderr, | |
345 | _("cupsd: Unable to get path to " | |
346 | "cups-files.conf file.")); | |
347 | return (1); | |
348 | } | |
349 | ||
350 | strlcpy(filename, ConfigurationFile, len); | |
351 | if ((slash = strrchr(filename, '/')) == NULL) | |
352 | { | |
353 | _cupsLangPrintf(stderr, | |
354 | _("cupsd: Unable to get path to " | |
355 | "cups-files.conf file.")); | |
356 | return (1); | |
357 | } | |
358 | ||
7e86f2f6 | 359 | strlcpy(slash, "/cups-files.conf", len - (size_t)(slash - filename)); |
cb7f98ee MS |
360 | cupsdSetString(&CupsFilesFile, filename); |
361 | free(filename); | |
362 | } | |
363 | ||
108f7505 MS |
364 | if (disconnect) |
365 | { | |
366 | /* | |
367 | * Make sure we aren't tying up any filesystems... | |
368 | */ | |
369 | ||
370 | chdir("/"); | |
371 | ||
372 | /* | |
373 | * Disconnect from the controlling terminal... | |
374 | */ | |
375 | ||
376 | setsid(); | |
377 | } | |
378 | ||
379 | if (close_all) | |
380 | { | |
381 | /* | |
382 | * Close all open files... | |
383 | */ | |
384 | ||
385 | getrlimit(RLIMIT_NOFILE, &limit); | |
386 | ||
387 | for (i = 0; i < (int)limit.rlim_cur && i < 1024; i ++) | |
388 | close(i); | |
389 | ||
390 | /* | |
391 | * Redirect stdin/out/err to /dev/null... | |
392 | */ | |
393 | ||
394 | if ((i = open("/dev/null", O_RDONLY)) != 0) | |
395 | { | |
396 | dup2(i, 0); | |
397 | close(i); | |
398 | } | |
399 | ||
400 | if ((i = open("/dev/null", O_WRONLY)) != 1) | |
401 | { | |
402 | dup2(i, 1); | |
403 | close(i); | |
404 | } | |
405 | ||
406 | if ((i = open("/dev/null", O_WRONLY)) != 2) | |
407 | { | |
408 | dup2(i, 2); | |
409 | close(i); | |
410 | } | |
411 | } | |
a1797929 MS |
412 | else |
413 | LogStderr = cupsFileStderr(); | |
108f7505 | 414 | |
ef416fc2 | 415 | /* |
108f7505 | 416 | * Run in the background as needed... |
ef416fc2 | 417 | */ |
418 | ||
419 | if (!fg) | |
420 | { | |
421 | /* | |
422 | * Setup signal handlers for the parent... | |
423 | */ | |
424 | ||
425 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
426 | sigset(SIGUSR1, parent_handler); | |
427 | sigset(SIGCHLD, parent_handler); | |
428 | ||
429 | sigset(SIGHUP, SIG_IGN); | |
430 | #elif defined(HAVE_SIGACTION) | |
431 | memset(&action, 0, sizeof(action)); | |
432 | sigemptyset(&action.sa_mask); | |
433 | sigaddset(&action.sa_mask, SIGUSR1); | |
434 | action.sa_handler = parent_handler; | |
435 | sigaction(SIGUSR1, &action, NULL); | |
436 | sigaction(SIGCHLD, &action, NULL); | |
437 | ||
438 | sigemptyset(&action.sa_mask); | |
439 | action.sa_handler = SIG_IGN; | |
440 | sigaction(SIGHUP, &action, NULL); | |
441 | #else | |
442 | signal(SIGUSR1, parent_handler); | |
443 | signal(SIGCLD, parent_handler); | |
444 | ||
445 | signal(SIGHUP, SIG_IGN); | |
446 | #endif /* HAVE_SIGSET */ | |
447 | ||
448 | if (fork() > 0) | |
449 | { | |
450 | /* | |
451 | * OK, wait for the child to startup and send us SIGUSR1 or to crash | |
452 | * and the OS send us SIGCHLD... We also need to ignore SIGHUP which | |
453 | * might be sent by the init script to restart the scheduler... | |
454 | */ | |
455 | ||
456 | for (; parent_signal == 0;) | |
457 | sleep(1); | |
458 | ||
459 | if (parent_signal == SIGUSR1) | |
460 | return (0); | |
461 | ||
462 | if (wait(&i) < 0) | |
463 | { | |
464 | perror("cupsd"); | |
465 | return (1); | |
466 | } | |
467 | else if (WIFEXITED(i)) | |
468 | { | |
4d301e69 | 469 | fprintf(stderr, "cupsd: Child exited with status %d\n", |
bd7854cb | 470 | WEXITSTATUS(i)); |
ef416fc2 | 471 | return (2); |
472 | } | |
473 | else | |
474 | { | |
4d301e69 | 475 | fprintf(stderr, "cupsd: Child exited on signal %d\n", WTERMSIG(i)); |
ef416fc2 | 476 | return (3); |
477 | } | |
478 | } | |
a41f09e2 | 479 | |
3dd9c340 | 480 | #if defined(__OpenBSD__) && OpenBSD < 201211 |
68b10830 MS |
481 | /* |
482 | * Call _thread_sys_closefrom() so the child process doesn't reset the | |
483 | * parent's file descriptors to be blocking. This is a workaround for a | |
3dd9c340 | 484 | * limitation of userland libpthread on older versions of OpenBSD. |
68b10830 | 485 | */ |
ef55b745 | 486 | |
68b10830 | 487 | _thread_sys_closefrom(0); |
3dd9c340 | 488 | #endif /* __OpenBSD__ && OpenBSD < 201211 */ |
68b10830 | 489 | |
a41f09e2 | 490 | /* |
108f7505 MS |
491 | * Since many system libraries create fork-unsafe data on execution of a |
492 | * program, we need to re-execute the background cupsd with the "-C" and "-s" | |
493 | * options to avoid problems. Unfortunately, we also have to assume that | |
494 | * argv[0] contains the name of the cupsd executable - there is no portable | |
495 | * way to get the real pathname... | |
a41f09e2 MS |
496 | */ |
497 | ||
108f7505 | 498 | execlp(argv[0], argv[0], "-C", ConfigurationFile, "-s", CupsFilesFile, (char *)0); |
a41f09e2 | 499 | exit(errno); |
ef416fc2 | 500 | } |
501 | ||
ef416fc2 | 502 | /* |
503 | * Set the timezone info... | |
504 | */ | |
505 | ||
506 | tzset(); | |
507 | ||
508 | #ifdef LC_TIME | |
509 | setlocale(LC_TIME, ""); | |
510 | #endif /* LC_TIME */ | |
511 | ||
0cf0c416 MS |
512 | #ifdef HAVE_DBUS_THREADS_INIT |
513 | /* | |
514 | * Enable threading support for D-BUS... | |
515 | */ | |
516 | ||
e7f455a5 | 517 | dbus_threads_init_default(); |
0cf0c416 MS |
518 | #endif /* HAVE_DBUS_THREADS_INIT */ |
519 | ||
ef416fc2 | 520 | /* |
521 | * Set the maximum number of files... | |
522 | */ | |
523 | ||
524 | getrlimit(RLIMIT_NOFILE, &limit); | |
525 | ||
f7deaa1a | 526 | #if !defined(HAVE_POLL) && !defined(HAVE_EPOLL) && !defined(HAVE_KQUEUE) |
f7faf1f5 | 527 | if (limit.rlim_max > FD_SETSIZE) |
528 | MaxFDs = FD_SETSIZE; | |
ef416fc2 | 529 | else |
f7deaa1a | 530 | #endif /* !HAVE_POLL && !HAVE_EPOLL && !HAVE_KQUEUE */ |
531 | #ifdef RLIM_INFINITY | |
532 | if (limit.rlim_max == RLIM_INFINITY) | |
533 | MaxFDs = 16384; | |
534 | else | |
535 | #endif /* RLIM_INFINITY */ | |
ef416fc2 | 536 | MaxFDs = limit.rlim_max; |
537 | ||
7e86f2f6 | 538 | limit.rlim_cur = (rlim_t)MaxFDs; |
ef416fc2 | 539 | |
540 | setrlimit(RLIMIT_NOFILE, &limit); | |
541 | ||
f7deaa1a | 542 | cupsdStartSelect(); |
ef416fc2 | 543 | |
544 | /* | |
545 | * Read configuration... | |
546 | */ | |
547 | ||
548 | if (!cupsdReadConfiguration()) | |
ef416fc2 | 549 | return (1); |
2e4ff8af MS |
550 | else if (TestConfigFile) |
551 | { | |
cb7f98ee MS |
552 | printf("\"%s\" is OK.\n", CupsFilesFile); |
553 | printf("\"%s\" is OK.\n", ConfigurationFile); | |
2e4ff8af MS |
554 | return (0); |
555 | } | |
2dd94018 MS |
556 | else if (print_profile) |
557 | { | |
558 | cups_file_t *fp; /* File pointer */ | |
559 | const char *profile = cupsdCreateProfile(42, 0); | |
560 | /* Profile */ | |
561 | char line[1024]; /* Line from file */ | |
562 | ||
563 | ||
564 | if ((fp = cupsFileOpen(profile, "r")) == NULL) | |
565 | { | |
566 | printf("Unable to open profile file \"%s\": %s\n", profile ? profile : "(null)", strerror(errno)); | |
567 | return (1); | |
568 | } | |
569 | ||
570 | while (cupsFileGets(fp, line, sizeof(line))) | |
571 | puts(line); | |
572 | ||
573 | cupsFileClose(fp); | |
574 | ||
575 | return (0); | |
576 | } | |
ef416fc2 | 577 | |
ba55dc12 MS |
578 | /* |
579 | * Clean out old temp files and printer cache data. | |
580 | */ | |
cc0d019f | 581 | |
ba55dc12 | 582 | if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot))) |
321d8d57 | 583 | cupsdCleanFiles(TempDir, NULL); |
cc0d019f | 584 | |
321d8d57 | 585 | cupsdCleanFiles(CacheDir, "*.ipp"); |
cc0d019f | 586 | |
1720786e MS |
587 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
588 | if (OnDemand) | |
a4d04587 | 589 | { |
590 | /* | |
1720786e MS |
591 | * If we were started on demand by launchd or systemd get the listen sockets |
592 | * file descriptors... | |
f7deaa1a | 593 | */ |
a4d04587 | 594 | |
1720786e MS |
595 | service_checkin(); |
596 | service_checkout(); | |
a4d04587 | 597 | } |
1720786e | 598 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 599 | |
600 | /* | |
601 | * Startup the server... | |
602 | */ | |
603 | ||
6d2f911b MS |
604 | httpInitialize(); |
605 | ||
a4d04587 | 606 | cupsdStartServer(); |
607 | ||
ef416fc2 | 608 | /* |
609 | * Catch hangup and child signals and ignore broken pipes... | |
610 | */ | |
611 | ||
612 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
e1d6a774 | 613 | sigset(SIGCHLD, sigchld_handler); |
4744bd90 | 614 | sigset(SIGHUP, sighup_handler); |
ef416fc2 | 615 | sigset(SIGPIPE, SIG_IGN); |
616 | sigset(SIGTERM, sigterm_handler); | |
617 | #elif defined(HAVE_SIGACTION) | |
618 | memset(&action, 0, sizeof(action)); | |
619 | ||
e1d6a774 | 620 | sigemptyset(&action.sa_mask); |
621 | sigaddset(&action.sa_mask, SIGTERM); | |
622 | sigaddset(&action.sa_mask, SIGCHLD); | |
623 | action.sa_handler = sigchld_handler; | |
624 | sigaction(SIGCHLD, &action, NULL); | |
625 | ||
ef416fc2 | 626 | sigemptyset(&action.sa_mask); |
627 | sigaddset(&action.sa_mask, SIGHUP); | |
4744bd90 | 628 | action.sa_handler = sighup_handler; |
ef416fc2 | 629 | sigaction(SIGHUP, &action, NULL); |
630 | ||
631 | sigemptyset(&action.sa_mask); | |
632 | action.sa_handler = SIG_IGN; | |
633 | sigaction(SIGPIPE, &action, NULL); | |
634 | ||
635 | sigemptyset(&action.sa_mask); | |
636 | sigaddset(&action.sa_mask, SIGTERM); | |
637 | sigaddset(&action.sa_mask, SIGCHLD); | |
638 | action.sa_handler = sigterm_handler; | |
639 | sigaction(SIGTERM, &action, NULL); | |
640 | #else | |
e1d6a774 | 641 | signal(SIGCLD, sigchld_handler); /* No, SIGCLD isn't a typo... */ |
4744bd90 | 642 | signal(SIGHUP, sighup_handler); |
ef416fc2 | 643 | signal(SIGPIPE, SIG_IGN); |
644 | signal(SIGTERM, sigterm_handler); | |
645 | #endif /* HAVE_SIGSET */ | |
646 | ||
ef416fc2 | 647 | /* |
648 | * Initialize authentication certificates... | |
649 | */ | |
650 | ||
651 | cupsdInitCerts(); | |
652 | ||
653 | /* | |
654 | * If we are running in the background, signal the parent process that | |
655 | * we are up and running... | |
656 | */ | |
657 | ||
a41f09e2 | 658 | if (!fg || run_as_child) |
ef416fc2 | 659 | { |
660 | /* | |
661 | * Send a signal to the parent process, but only if the parent is | |
662 | * not PID 1 (init). This avoids accidentally shutting down the | |
663 | * system on OpenBSD if you CTRL-C the server before it is up... | |
664 | */ | |
665 | ||
666 | i = getppid(); /* Save parent PID to avoid race condition */ | |
667 | ||
668 | if (i != 1) | |
669 | kill(i, SIGUSR1); | |
670 | } | |
671 | ||
e1d6a774 | 672 | #ifdef __APPLE__ |
09ec0018 | 673 | /* |
674 | * Start power management framework... | |
675 | */ | |
676 | ||
1340db2d MS |
677 | if (use_sysman) |
678 | cupsdStartSystemMonitor(); | |
e1d6a774 | 679 | #endif /* __APPLE__ */ |
ef416fc2 | 680 | |
49d87452 MS |
681 | /* |
682 | * Send server-started event... | |
683 | */ | |
684 | ||
1720786e MS |
685 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
686 | if (OnDemand) | |
687 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand."); | |
49d87452 | 688 | else |
1720786e | 689 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
49d87452 | 690 | if (fg) |
1720786e | 691 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in foreground."); |
49d87452 | 692 | else |
1720786e | 693 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background."); |
49d87452 | 694 | |
ef416fc2 | 695 | /* |
696 | * Start any pending print jobs... | |
697 | */ | |
698 | ||
699 | cupsdCheckJobs(); | |
700 | ||
701 | /* | |
702 | * Loop forever... | |
703 | */ | |
704 | ||
50fe7201 | 705 | current_time = time(NULL); |
50fe7201 MS |
706 | event_time = current_time; |
707 | expire_time = current_time; | |
ef416fc2 | 708 | fds = 1; |
5bd77a73 | 709 | report_time = 0; |
50fe7201 | 710 | senddoc_time = current_time; |
ef416fc2 | 711 | |
712 | while (!stop_scheduler) | |
713 | { | |
ef416fc2 | 714 | /* |
715 | * Check if there are dead children to handle... | |
716 | */ | |
717 | ||
718 | if (dead_children) | |
719 | process_children(); | |
720 | ||
721 | /* | |
722 | * Check if we need to load the server configuration file... | |
723 | */ | |
724 | ||
725 | if (NeedReload) | |
726 | { | |
727 | /* | |
728 | * Close any idle clients... | |
729 | */ | |
730 | ||
bd7854cb | 731 | if (cupsArrayCount(Clients) > 0) |
ef416fc2 | 732 | { |
bd7854cb | 733 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
734 | con; | |
735 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 736 | if (httpGetState(con->http) == HTTP_WAITING) |
ef416fc2 | 737 | cupsdCloseClient(con); |
ef416fc2 | 738 | else |
996acce8 | 739 | con->http->keep_alive = HTTP_KEEPALIVE_OFF; |
ef416fc2 | 740 | |
741 | cupsdPauseListening(); | |
742 | } | |
743 | ||
ef416fc2 | 744 | /* |
745 | * Restart if all clients are closed and all jobs finished, or | |
746 | * if the reload timeout has elapsed... | |
747 | */ | |
748 | ||
bd7854cb | 749 | if ((cupsArrayCount(Clients) == 0 && |
238c3832 | 750 | (cupsArrayCount(PrintingJobs) == 0 || NeedReload != RELOAD_ALL)) || |
ef416fc2 | 751 | (time(NULL) - ReloadTime) >= ReloadTimeout) |
752 | { | |
a4d04587 | 753 | /* |
754 | * Shutdown the server... | |
755 | */ | |
756 | ||
7cf5915e MS |
757 | DoingShutdown = 1; |
758 | ||
a4d04587 | 759 | cupsdStopServer(); |
760 | ||
761 | /* | |
762 | * Read configuration... | |
763 | */ | |
764 | ||
ef416fc2 | 765 | if (!cupsdReadConfiguration()) |
766 | { | |
a1797929 MS |
767 | #ifdef HAVE_ASL_H |
768 | asl_object_t m; /* Log message */ | |
769 | ||
770 | m = asl_new(ASL_TYPE_MSG); | |
771 | asl_set(m, ASL_KEY_FACILITY, "org.cups.cupsd"); | |
772 | asl_log(NULL, m, ASL_LEVEL_ERR, "Unable to read configuration file \"%s\" - exiting.", ConfigurationFile); | |
773 | asl_release(m); | |
774 | #elif defined(HAVE_SYSTEMD_SD_JOURNAL_H) | |
775 | sd_journal_print(LOG_ERR, "Unable to read configuration file \"%s\" - exiting.", ConfigurationFile); | |
776 | #else | |
777 | syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting.", ConfigurationFile); | |
778 | #endif /* HAVE_ASL_H */ | |
779 | ||
ef416fc2 | 780 | break; |
781 | } | |
a4d04587 | 782 | |
a4d04587 | 783 | /* |
784 | * Startup the server... | |
785 | */ | |
786 | ||
7cf5915e MS |
787 | DoingShutdown = 0; |
788 | ||
a4d04587 | 789 | cupsdStartServer(); |
49d87452 MS |
790 | |
791 | /* | |
792 | * Send a server-restarted event... | |
793 | */ | |
794 | ||
795 | cupsdAddEvent(CUPSD_EVENT_SERVER_RESTARTED, NULL, NULL, | |
796 | "Scheduler restarted."); | |
ef416fc2 | 797 | } |
798 | } | |
799 | ||
800 | /* | |
f7deaa1a | 801 | * Check for available input or ready output. If cupsdDoSelect() |
802 | * returns 0 or -1, something bad happened and we should exit | |
803 | * immediately. | |
ef416fc2 | 804 | * |
805 | * Note that we at least have one listening socket open at all | |
806 | * times. | |
807 | */ | |
808 | ||
50fe7201 MS |
809 | if ((timeout = select_timeout(fds)) > 1 && LastEvent) |
810 | timeout = 1; | |
ef416fc2 | 811 | |
1720786e | 812 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 813 | /* |
814 | * If no other work is scheduled and we're being controlled by | |
411affcf | 815 | * launchd then timeout after 'LaunchdTimeout' seconds of |
a4d04587 | 816 | * inactivity... |
817 | */ | |
818 | ||
1720786e | 819 | if (timeout == 86400 && OnDemand && IdleExitTimeout && |
bc44d920 | 820 | !cupsArrayCount(ActiveJobs) && |
0627e869 MS |
821 | # ifdef HAVE_SYSTEMD |
822 | !WebInterface && | |
823 | # endif /* HAVE_SYSTEMD */ | |
a2326b5b | 824 | (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers))) |
a4d04587 | 825 | { |
1720786e MS |
826 | timeout = IdleExitTimeout; |
827 | service_idle_exit = 1; | |
a4d04587 | 828 | } |
829 | else | |
1720786e MS |
830 | service_idle_exit = 0; |
831 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
a4d04587 | 832 | |
f7deaa1a | 833 | if ((fds = cupsdDoSelect(timeout)) < 0) |
ef416fc2 | 834 | { |
ef416fc2 | 835 | /* |
836 | * Got an error from select! | |
837 | */ | |
838 | ||
37e7e6e0 | 839 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 840 | cupsd_printer_t *p; /* Current printer */ |
37e7e6e0 | 841 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 842 | |
843 | ||
844 | if (errno == EINTR) /* Just interrupted by a signal */ | |
ef416fc2 | 845 | continue; |
846 | ||
847 | /* | |
848 | * Log all sorts of debug info to help track down the problem. | |
849 | */ | |
850 | ||
f7deaa1a | 851 | cupsdLogMessage(CUPSD_LOG_EMERG, "cupsdDoSelect() failed - %s!", |
ef416fc2 | 852 | strerror(errno)); |
853 | ||
bd7854cb | 854 | for (i = 0, con = (cupsd_client_t *)cupsArrayFirst(Clients); |
855 | con; | |
856 | i ++, con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 857 | cupsdLogMessage(CUPSD_LOG_EMERG, |
858 | "Clients[%d] = %d, file = %d, state = %d", | |
996acce8 | 859 | i, con->number, con->file, httpGetState(con->http)); |
ef416fc2 | 860 | |
bd7854cb | 861 | for (i = 0, lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); |
862 | lis; | |
863 | i ++, lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
ef416fc2 | 864 | cupsdLogMessage(CUPSD_LOG_EMERG, "Listeners[%d] = %d", i, lis->fd); |
865 | ||
923edb68 | 866 | cupsdLogMessage(CUPSD_LOG_EMERG, "CGIPipes[0] = %d", CGIPipes[0]); |
867 | ||
09ec0018 | 868 | #ifdef __APPLE__ |
869 | cupsdLogMessage(CUPSD_LOG_EMERG, "SysEventPipes[0] = %d", | |
870 | SysEventPipes[0]); | |
871 | #endif /* __APPLE__ */ | |
872 | ||
ef416fc2 | 873 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
874 | job; | |
875 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
876 | cupsdLogMessage(CUPSD_LOG_EMERG, "Jobs[%d] = %d < [%d %d] > [%d %d]", | |
877 | job->id, | |
878 | job->status_buffer ? job->status_buffer->fd : -1, | |
879 | job->print_pipes[0], job->print_pipes[1], | |
880 | job->back_pipes[0], job->back_pipes[1]); | |
f7deaa1a | 881 | |
37e7e6e0 | 882 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 883 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); |
884 | p; | |
885 | p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
7a14d768 MS |
886 | cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name, |
887 | p->reg_name ? p->reg_name : "(null)"); | |
37e7e6e0 | 888 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 889 | |
ef416fc2 | 890 | break; |
891 | } | |
892 | ||
893 | current_time = time(NULL); | |
894 | ||
3dfe78b3 MS |
895 | /* |
896 | * Write dirty config/state files... | |
897 | */ | |
898 | ||
899 | if (DirtyCleanTime && current_time >= DirtyCleanTime) | |
3dfe78b3 | 900 | cupsdCleanDirty(); |
3dfe78b3 | 901 | |
e6013cfa MS |
902 | #ifdef __APPLE__ |
903 | /* | |
904 | * If we are going to sleep and still have pending jobs, stop them after | |
905 | * a period of time... | |
906 | */ | |
907 | ||
908 | if (SleepJobs > 0 && current_time >= SleepJobs && | |
909 | cupsArrayCount(PrintingJobs) > 0) | |
910 | { | |
911 | SleepJobs = 0; | |
e60ec91f | 912 | cupsdStopAllJobs(CUPSD_JOB_DEFAULT, 5); |
e6013cfa MS |
913 | } |
914 | #endif /* __APPLE__ */ | |
915 | ||
a4924f6c MS |
916 | #ifndef __APPLE__ |
917 | /* | |
918 | * Update the network interfaces once a minute... | |
919 | */ | |
920 | ||
921 | if ((current_time - netif_time) >= 60) | |
922 | { | |
923 | netif_time = current_time; | |
924 | NetIFUpdate = 1; | |
925 | } | |
926 | #endif /* !__APPLE__ */ | |
927 | ||
1720786e | 928 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
a4d04587 | 929 | /* |
411affcf | 930 | * If no other work was scheduled and we're being controlled by launchd |
a4d04587 | 931 | * then timeout after 'LaunchdTimeout' seconds of inactivity... |
932 | */ | |
933 | ||
1720786e | 934 | if (!fds && service_idle_exit) |
a4d04587 | 935 | { |
936 | cupsdLogMessage(CUPSD_LOG_INFO, | |
937 | "Printer sharing is off and there are no jobs pending, " | |
938 | "will restart on demand."); | |
939 | stop_scheduler = 1; | |
940 | break; | |
941 | } | |
1720786e | 942 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ |
a4d04587 | 943 | |
76cd9e37 MS |
944 | /* |
945 | * Resume listening for new connections as needed... | |
946 | */ | |
947 | ||
948 | if (ListeningPaused && ListeningPaused <= current_time && | |
949 | cupsArrayCount(Clients) < MaxClients) | |
950 | cupsdResumeListening(); | |
951 | ||
ef416fc2 | 952 | /* |
bd7854cb | 953 | * Expire subscriptions and unload completed jobs as needed... |
ef416fc2 | 954 | */ |
955 | ||
bd7854cb | 956 | if (current_time > expire_time) |
ef416fc2 | 957 | { |
bd7854cb | 958 | if (cupsArrayCount(Subscriptions) > 0) |
959 | cupsdExpireSubscriptions(NULL, NULL); | |
960 | ||
961 | cupsdUnloadCompletedJobs(); | |
ef416fc2 | 962 | |
963 | expire_time = current_time; | |
964 | } | |
965 | ||
07ed0e9a | 966 | #ifndef HAVE_AUTHORIZATION_H |
ef416fc2 | 967 | /* |
f7deaa1a | 968 | * Update the root certificate once every 5 minutes if we have client |
969 | * connections... | |
ef416fc2 | 970 | */ |
971 | ||
f7deaa1a | 972 | if ((current_time - RootCertTime) >= RootCertDuration && RootCertDuration && |
973 | !RunUser && cupsArrayCount(Clients)) | |
974 | { | |
975 | /* | |
976 | * Update the root certificate... | |
977 | */ | |
978 | ||
979 | cupsdDeleteCert(0); | |
0fa6c7fa | 980 | cupsdAddCert(0, "root", cupsdDefaultAuthType()); |
f7deaa1a | 981 | } |
07ed0e9a | 982 | #endif /* !HAVE_AUTHORIZATION_H */ |
ef416fc2 | 983 | |
984 | /* | |
985 | * Check for new data on the client sockets... | |
986 | */ | |
987 | ||
bd7854cb | 988 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
989 | con; | |
990 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 991 | { |
992 | /* | |
f7deaa1a | 993 | * Process pending data in the input buffer... |
ef416fc2 | 994 | */ |
995 | ||
1720786e | 996 | if (httpGetReady(con->http)) |
ef416fc2 | 997 | { |
f7deaa1a | 998 | cupsdReadClient(con); |
999 | continue; | |
ef416fc2 | 1000 | } |
1001 | ||
1002 | /* | |
1003 | * Check the activity and close old clients... | |
1004 | */ | |
1005 | ||
1006 | activity = current_time - Timeout; | |
1720786e | 1007 | if (httpGetActivity(con->http) < activity && !con->pipe_pid) |
ef416fc2 | 1008 | { |
1720786e | 1009 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout); |
ef416fc2 | 1010 | |
1011 | cupsdCloseClient(con); | |
ef416fc2 | 1012 | continue; |
1013 | } | |
1014 | } | |
1015 | ||
1016 | /* | |
1017 | * Update any pending multi-file documents... | |
1018 | */ | |
1019 | ||
1020 | if ((current_time - senddoc_time) >= 10) | |
1021 | { | |
1022 | cupsdCheckJobs(); | |
1023 | senddoc_time = current_time; | |
1024 | } | |
1025 | ||
82cc1f9a MS |
1026 | /* |
1027 | * Clean job history... | |
1028 | */ | |
1029 | ||
1030 | if (JobHistoryUpdate && current_time >= JobHistoryUpdate) | |
1031 | cupsdCleanJobs(); | |
1032 | ||
ef416fc2 | 1033 | /* |
5bd77a73 | 1034 | * Log statistics at most once a minute when in debug mode... |
ef416fc2 | 1035 | */ |
1036 | ||
5bd77a73 | 1037 | if ((current_time - report_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 1038 | { |
5bd77a73 MS |
1039 | size_t string_count, /* String count */ |
1040 | alloc_bytes, /* Allocated string bytes */ | |
1041 | total_bytes; /* Total string bytes */ | |
4400e98d | 1042 | #ifdef HAVE_MALLINFO |
5bd77a73 | 1043 | struct mallinfo mem; /* Malloc information */ |
ef416fc2 | 1044 | |
1045 | ||
1046 | mem = mallinfo(); | |
5bd77a73 MS |
1047 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-arena=%lu", mem.arena); |
1048 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-used=%lu", | |
1049 | mem.usmblks + mem.uordblks); | |
1050 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-free=%lu", | |
ef416fc2 | 1051 | mem.fsmblks + mem.fordblks); |
4400e98d | 1052 | #endif /* HAVE_MALLINFO */ |
1053 | ||
5bd77a73 MS |
1054 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: clients=%d", |
1055 | cupsArrayCount(Clients)); | |
1056 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs=%d", | |
1057 | cupsArrayCount(Jobs)); | |
1058 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs-active=%d", | |
1059 | cupsArrayCount(ActiveJobs)); | |
1060 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers=%d", | |
1061 | cupsArrayCount(Printers)); | |
5bd77a73 | 1062 | |
757d2cad | 1063 | string_count = _cupsStrStatistics(&alloc_bytes, &total_bytes); |
5bd77a73 MS |
1064 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
1065 | "Report: stringpool-string-count=" CUPS_LLFMT, | |
1066 | CUPS_LLCAST string_count); | |
1067 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1068 | "Report: stringpool-alloc-bytes=" CUPS_LLFMT, | |
1069 | CUPS_LLCAST alloc_bytes); | |
1070 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1071 | "Report: stringpool-total-bytes=" CUPS_LLFMT, | |
4400e98d | 1072 | CUPS_LLCAST total_bytes); |
1073 | ||
5bd77a73 | 1074 | report_time = current_time; |
ef416fc2 | 1075 | } |
ef416fc2 | 1076 | |
fa73b229 | 1077 | /* |
1078 | * Handle OS-specific event notification for any events that have | |
1079 | * accumulated. Don't send these more than once a second... | |
1080 | */ | |
1081 | ||
50fe7201 | 1082 | if (LastEvent && (current_time - event_time) >= 1) |
fa73b229 | 1083 | { |
1084 | #ifdef HAVE_NOTIFY_POST | |
a41f09e2 MS |
1085 | if (LastEvent & (CUPSD_EVENT_PRINTER_ADDED | |
1086 | CUPSD_EVENT_PRINTER_DELETED | | |
1087 | CUPSD_EVENT_PRINTER_MODIFIED)) | |
fa73b229 | 1088 | { |
e00b005a | 1089 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1090 | "notify_post(\"com.apple.printerListChange\")"); |
1091 | notify_post("com.apple.printerListChange"); | |
1092 | } | |
1093 | ||
1094 | if (LastEvent & CUPSD_EVENT_PRINTER_STATE_CHANGED) | |
1095 | { | |
e00b005a | 1096 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1097 | "notify_post(\"com.apple.printerHistoryChange\")"); |
1098 | notify_post("com.apple.printerHistoryChange"); | |
1099 | } | |
1100 | ||
1101 | if (LastEvent & (CUPSD_EVENT_JOB_STATE_CHANGED | | |
1102 | CUPSD_EVENT_JOB_CONFIG_CHANGED | | |
1103 | CUPSD_EVENT_JOB_PROGRESS)) | |
1104 | { | |
e00b005a | 1105 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1106 | "notify_post(\"com.apple.jobChange\")"); |
1107 | notify_post("com.apple.jobChange"); | |
1108 | } | |
1109 | #endif /* HAVE_NOTIFY_POST */ | |
1110 | ||
1111 | /* | |
e53920b9 | 1112 | * Reset the accumulated events... |
fa73b229 | 1113 | */ |
1114 | ||
50fe7201 MS |
1115 | LastEvent = CUPSD_EVENT_NONE; |
1116 | event_time = current_time; | |
fa73b229 | 1117 | } |
ef416fc2 | 1118 | } |
1119 | ||
1120 | /* | |
1121 | * Log a message based on what happened... | |
1122 | */ | |
1123 | ||
1124 | if (stop_scheduler) | |
49d87452 | 1125 | { |
ef416fc2 | 1126 | cupsdLogMessage(CUPSD_LOG_INFO, "Scheduler shutting down normally."); |
49d87452 MS |
1127 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1128 | "Scheduler shutting down normally."); | |
1129 | } | |
ef416fc2 | 1130 | else |
49d87452 | 1131 | { |
ef416fc2 | 1132 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1133 | "Scheduler shutting down due to program error."); | |
49d87452 MS |
1134 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1135 | "Scheduler shutting down due to program error."); | |
1136 | } | |
ef416fc2 | 1137 | |
1138 | /* | |
7ff4fea9 | 1139 | * Close all network clients... |
ef416fc2 | 1140 | */ |
1141 | ||
7cf5915e MS |
1142 | DoingShutdown = 1; |
1143 | ||
ef416fc2 | 1144 | cupsdStopServer(); |
1145 | ||
1720786e | 1146 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
7ff4fea9 | 1147 | /* |
1720786e | 1148 | * Update the keep-alive file as needed... |
7ff4fea9 MS |
1149 | */ |
1150 | ||
1720786e MS |
1151 | if (OnDemand) |
1152 | service_checkout(); | |
1153 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
7ff4fea9 MS |
1154 | |
1155 | /* | |
1156 | * Stop all jobs... | |
1157 | */ | |
1158 | ||
bd7854cb | 1159 | cupsdFreeAllJobs(); |
ef416fc2 | 1160 | |
e1d6a774 | 1161 | #ifdef __APPLE__ |
7ff4fea9 MS |
1162 | /* |
1163 | * Stop monitoring system event monitoring... | |
1164 | */ | |
1165 | ||
1340db2d MS |
1166 | if (use_sysman) |
1167 | cupsdStopSystemMonitor(); | |
e1d6a774 | 1168 | #endif /* __APPLE__ */ |
09ec0018 | 1169 | |
f7deaa1a | 1170 | cupsdStopSelect(); |
ef416fc2 | 1171 | |
1172 | return (!stop_scheduler); | |
1173 | } | |
1174 | ||
1175 | ||
10d09e33 MS |
1176 | /* |
1177 | * 'cupsdAddString()' - Copy and add a string to an array. | |
1178 | */ | |
1179 | ||
1180 | int /* O - 1 on success, 0 on failure */ | |
1181 | cupsdAddString(cups_array_t **a, /* IO - String array */ | |
1182 | const char *s) /* I - String to copy and add */ | |
1183 | { | |
1184 | if (!*a) | |
1185 | *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL, | |
1186 | (cups_ahash_func_t)NULL, 0, | |
5e6c3df7 MS |
1187 | (cups_acopy_func_t)strdup, |
1188 | (cups_afree_func_t)free); | |
10d09e33 MS |
1189 | |
1190 | return (cupsArrayAdd(*a, (char *)s)); | |
1191 | } | |
1192 | ||
1193 | ||
d7871c8c MS |
1194 | /* |
1195 | * 'cupsdCheckProcess()' - Tell the main loop to check for dead children. | |
1196 | */ | |
1197 | ||
1198 | void | |
1199 | cupsdCheckProcess(void) | |
1200 | { | |
1201 | /* | |
1202 | * Flag that we have dead children... | |
1203 | */ | |
1204 | ||
1205 | dead_children = 1; | |
1206 | } | |
1207 | ||
1208 | ||
10d09e33 MS |
1209 | /* |
1210 | * 'cupsdClearString()' - Clear a string. | |
1211 | */ | |
1212 | ||
1213 | void | |
1214 | cupsdClearString(char **s) /* O - String value */ | |
1215 | { | |
1216 | if (s && *s) | |
1217 | { | |
5e6c3df7 | 1218 | free(*s); |
10d09e33 MS |
1219 | *s = NULL; |
1220 | } | |
1221 | } | |
1222 | ||
1223 | ||
10d09e33 MS |
1224 | /* |
1225 | * 'cupsdFreeStrings()' - Free an array of strings. | |
1226 | */ | |
1227 | ||
1228 | void | |
1229 | cupsdFreeStrings(cups_array_t **a) /* IO - String array */ | |
1230 | { | |
1231 | if (*a) | |
1232 | { | |
1233 | cupsArrayDelete(*a); | |
1234 | *a = NULL; | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | ||
1239 | /* | |
1240 | * 'cupsdHoldSignals()' - Hold child and termination signals. | |
1241 | */ | |
1242 | ||
1243 | void | |
1244 | cupsdHoldSignals(void) | |
1245 | { | |
1246 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
1247 | sigset_t newmask; /* New POSIX signal mask */ | |
1248 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
1249 | ||
1250 | ||
1251 | holdcount ++; | |
1252 | if (holdcount > 1) | |
1253 | return; | |
1254 | ||
1255 | #ifdef HAVE_SIGSET | |
1256 | sighold(SIGTERM); | |
1257 | sighold(SIGCHLD); | |
1258 | #elif defined(HAVE_SIGACTION) | |
1259 | sigemptyset(&newmask); | |
1260 | sigaddset(&newmask, SIGTERM); | |
1261 | sigaddset(&newmask, SIGCHLD); | |
1262 | sigprocmask(SIG_BLOCK, &newmask, &holdmask); | |
1263 | #endif /* HAVE_SIGSET */ | |
1264 | } | |
1265 | ||
1266 | ||
ef416fc2 | 1267 | /* |
1268 | * 'cupsdReleaseSignals()' - Release signals for delivery. | |
1269 | */ | |
1270 | ||
1271 | void | |
1272 | cupsdReleaseSignals(void) | |
1273 | { | |
1274 | holdcount --; | |
1275 | if (holdcount > 0) | |
1276 | return; | |
1277 | ||
1278 | #ifdef HAVE_SIGSET | |
1279 | sigrelse(SIGTERM); | |
1280 | sigrelse(SIGCHLD); | |
1281 | #elif defined(HAVE_SIGACTION) | |
1282 | sigprocmask(SIG_SETMASK, &holdmask, NULL); | |
1283 | #endif /* HAVE_SIGSET */ | |
1284 | } | |
1285 | ||
1286 | ||
1287 | /* | |
1288 | * 'cupsdSetString()' - Set a string value. | |
1289 | */ | |
1290 | ||
1291 | void | |
1292 | cupsdSetString(char **s, /* O - New string */ | |
1293 | const char *v) /* I - String value */ | |
1294 | { | |
1295 | if (!s || *s == v) | |
1296 | return; | |
1297 | ||
1298 | if (*s) | |
5e6c3df7 | 1299 | free(*s); |
ef416fc2 | 1300 | |
1301 | if (v) | |
5e6c3df7 | 1302 | *s = strdup(v); |
ef416fc2 | 1303 | else |
1304 | *s = NULL; | |
1305 | } | |
1306 | ||
1307 | ||
1308 | /* | |
1309 | * 'cupsdSetStringf()' - Set a formatted string value. | |
1310 | */ | |
1311 | ||
1312 | void | |
1313 | cupsdSetStringf(char **s, /* O - New string */ | |
1314 | const char *f, /* I - Printf-style format string */ | |
1315 | ...) /* I - Additional args as needed */ | |
1316 | { | |
94436c5a | 1317 | char v[65536 + 64]; /* Formatting string value */ |
ef416fc2 | 1318 | va_list ap; /* Argument pointer */ |
1319 | char *olds; /* Old string */ | |
1320 | ||
1321 | ||
1322 | if (!s) | |
1323 | return; | |
1324 | ||
1325 | olds = *s; | |
1326 | ||
1327 | if (f) | |
1328 | { | |
1329 | va_start(ap, f); | |
1330 | vsnprintf(v, sizeof(v), f, ap); | |
1331 | va_end(ap); | |
1332 | ||
5e6c3df7 | 1333 | *s = strdup(v); |
ef416fc2 | 1334 | } |
1335 | else | |
1336 | *s = NULL; | |
1337 | ||
1338 | if (olds) | |
5e6c3df7 | 1339 | free(olds); |
ef416fc2 | 1340 | } |
1341 | ||
1342 | ||
1343 | /* | |
1344 | * 'parent_handler()' - Catch USR1/CHLD signals... | |
1345 | */ | |
1346 | ||
1347 | static void | |
1348 | parent_handler(int sig) /* I - Signal */ | |
1349 | { | |
1350 | /* | |
1351 | * Store the signal we got from the OS and return... | |
1352 | */ | |
1353 | ||
1354 | parent_signal = sig; | |
1355 | } | |
1356 | ||
1357 | ||
1358 | /* | |
1359 | * 'process_children()' - Process all dead children... | |
1360 | */ | |
1361 | ||
1362 | static void | |
1363 | process_children(void) | |
1364 | { | |
1365 | int status; /* Exit status of child */ | |
b9faaae1 MS |
1366 | int pid, /* Process ID of child */ |
1367 | job_id; /* Job ID of child */ | |
ef416fc2 | 1368 | cupsd_job_t *job; /* Current job */ |
1369 | int i; /* Looping var */ | |
e00b005a | 1370 | char name[1024]; /* Process name */ |
dcb445bc | 1371 | const char *type; /* Type of program */ |
ef416fc2 | 1372 | |
1373 | ||
1374 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()"); | |
1375 | ||
1376 | /* | |
1377 | * Reset the dead_children flag... | |
1378 | */ | |
1379 | ||
1380 | dead_children = 0; | |
1381 | ||
1382 | /* | |
1383 | * Collect the exit status of some children... | |
1384 | */ | |
1385 | ||
1386 | #ifdef HAVE_WAITPID | |
1387 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) | |
1388 | #elif defined(HAVE_WAIT3) | |
1389 | while ((pid = wait3(&status, WNOHANG, NULL)) > 0) | |
1390 | #else | |
1391 | if ((pid = wait(&status)) > 0) | |
1392 | #endif /* HAVE_WAITPID */ | |
1393 | { | |
ef416fc2 | 1394 | /* |
745129be | 1395 | * Collect the name of the process that finished... |
ef416fc2 | 1396 | */ |
1397 | ||
b9faaae1 | 1398 | cupsdFinishProcess(pid, name, sizeof(name), &job_id); |
e00b005a | 1399 | |
ef416fc2 | 1400 | /* |
1401 | * Delete certificates for CGI processes... | |
1402 | */ | |
1403 | ||
1404 | if (pid) | |
1405 | cupsdDeleteCert(pid); | |
1406 | ||
1407 | /* | |
b9faaae1 | 1408 | * Handle completed job filters... |
ef416fc2 | 1409 | */ |
1410 | ||
dcb445bc MS |
1411 | if (job_id > 0) |
1412 | job = cupsdFindJob(job_id); | |
1413 | else | |
1414 | job = NULL; | |
1415 | ||
1416 | if (job) | |
b9faaae1 MS |
1417 | { |
1418 | for (i = 0; job->filters[i]; i ++) | |
1419 | if (job->filters[i] == pid) | |
1420 | break; | |
1421 | ||
1422 | if (job->filters[i] || job->backend == pid) | |
ef416fc2 | 1423 | { |
b9faaae1 MS |
1424 | /* |
1425 | * OK, this process has gone away; what's left? | |
1426 | */ | |
1427 | ||
1428 | if (job->filters[i]) | |
dcb445bc | 1429 | { |
b9faaae1 | 1430 | job->filters[i] = -pid; |
dcb445bc MS |
1431 | type = "Filter"; |
1432 | } | |
b9faaae1 | 1433 | else |
dcb445bc | 1434 | { |
b9faaae1 | 1435 | job->backend = -pid; |
dcb445bc MS |
1436 | type = "Backend"; |
1437 | } | |
ef416fc2 | 1438 | |
b9faaae1 | 1439 | if (status && status != SIGTERM && status != SIGKILL && |
f3c17241 | 1440 | status != SIGPIPE) |
ef416fc2 | 1441 | { |
1442 | /* | |
b9faaae1 MS |
1443 | * An error occurred; save the exit status so we know to stop |
1444 | * the printer or cancel the job when all of the filters finish... | |
1445 | * | |
1446 | * A negative status indicates that the backend failed and the | |
1447 | * printer needs to be stopped. | |
f3c17241 MS |
1448 | * |
1449 | * In order to preserve the most serious status, we always log | |
1450 | * when a process dies due to a signal (e.g. SIGABRT, SIGSEGV, | |
1451 | * and SIGBUS) and prefer to log the backend exit status over a | |
1452 | * filter's. | |
ef416fc2 | 1453 | */ |
1454 | ||
f3c17241 MS |
1455 | int old_status = abs(job->status); |
1456 | ||
1457 | if (WIFSIGNALED(status) || /* This process crashed, or */ | |
1458 | !job->status || /* No process had a status, or */ | |
1459 | (!job->filters[i] && WIFEXITED(old_status))) | |
1460 | { /* Backend and filter didn't crash */ | |
1461 | if (job->filters[i]) | |
1462 | job->status = status; /* Filter failed */ | |
1463 | else | |
1464 | job->status = -status; /* Backend failed */ | |
1465 | } | |
ef416fc2 | 1466 | |
f11a948a | 1467 | if (job->state_value == IPP_JOB_PROCESSING && |
dcb445bc MS |
1468 | job->status_level > CUPSD_LOG_ERROR && |
1469 | (job->filters[i] || !WIFEXITED(status))) | |
ef416fc2 | 1470 | { |
f11a948a MS |
1471 | char message[1024]; /* New printer-state-message */ |
1472 | ||
1473 | ||
b9faaae1 | 1474 | job->status_level = CUPSD_LOG_ERROR; |
ef416fc2 | 1475 | |
dcb445bc | 1476 | snprintf(message, sizeof(message), "%s failed", type); |
f11a948a | 1477 | |
e07d4801 MS |
1478 | if (job->printer) |
1479 | { | |
f11a948a MS |
1480 | strlcpy(job->printer->state_message, message, |
1481 | sizeof(job->printer->state_message)); | |
e07d4801 MS |
1482 | } |
1483 | ||
1484 | if (!job->attrs) | |
1485 | cupsdLoadJob(job); | |
e00b005a | 1486 | |
e07d4801 | 1487 | if (!job->printer_message && job->attrs) |
e00b005a | 1488 | { |
b9faaae1 MS |
1489 | if ((job->printer_message = |
1490 | ippFindAttribute(job->attrs, "job-printer-state-message", | |
1491 | IPP_TAG_TEXT)) == NULL) | |
1492 | job->printer_message = ippAddString(job->attrs, IPP_TAG_JOB, | |
1493 | IPP_TAG_TEXT, | |
1494 | "job-printer-state-message", | |
5a662dc0 | 1495 | NULL, NULL); |
e00b005a | 1496 | } |
b9faaae1 | 1497 | |
e07d4801 | 1498 | if (job->printer_message) |
5e6c3df7 | 1499 | ippSetString(job->attrs, &job->printer_message, 0, message); |
ef416fc2 | 1500 | } |
b9faaae1 | 1501 | } |
ef416fc2 | 1502 | |
b9faaae1 MS |
1503 | /* |
1504 | * If this is not the last file in a job, see if all of the | |
1505 | * filters are done, and if so move to the next file. | |
1506 | */ | |
ef416fc2 | 1507 | |
5a4c3fcf MS |
1508 | if (job->state_value >= IPP_JOB_CANCELED) |
1509 | { | |
1510 | /* | |
1511 | * Remove the job from the active list if there are no processes still | |
1512 | * running for it... | |
1513 | */ | |
1514 | ||
1515 | for (i = 0; job->filters[i] < 0; i++); | |
1516 | ||
1517 | if (!job->filters[i] && job->backend <= 0) | |
1518 | cupsArrayRemove(ActiveJobs, job); | |
1519 | } | |
1520 | else if (job->current_file < job->num_files && job->printer) | |
b9faaae1 MS |
1521 | { |
1522 | for (i = 0; job->filters[i] < 0; i ++); | |
ef416fc2 | 1523 | |
82f97232 MS |
1524 | if (!job->filters[i] && |
1525 | (!job->printer->pc || !job->printer->pc->single_file || | |
1526 | job->backend <= 0)) | |
b9faaae1 MS |
1527 | { |
1528 | /* | |
1529 | * Process the next file... | |
1530 | */ | |
ef416fc2 | 1531 | |
b9faaae1 | 1532 | cupsdContinueJob(job); |
ef416fc2 | 1533 | } |
ef416fc2 | 1534 | } |
1535 | } | |
b9faaae1 | 1536 | } |
3dfe78b3 MS |
1537 | |
1538 | /* | |
745129be MS |
1539 | * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors |
1540 | * since they come when we kill/end a process... | |
3dfe78b3 MS |
1541 | */ |
1542 | ||
745129be MS |
1543 | if (status == SIGTERM || status == SIGKILL) |
1544 | { | |
dcb445bc MS |
1545 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1546 | "PID %d (%s) was terminated normally with signal %d.", pid, | |
1547 | name, status); | |
745129be | 1548 | } |
5a6b583a MS |
1549 | else if (status == SIGPIPE) |
1550 | { | |
dcb445bc MS |
1551 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1552 | "PID %d (%s) did not catch or ignore signal %d.", pid, name, | |
1553 | status); | |
5a6b583a | 1554 | } |
745129be | 1555 | else if (status) |
3dfe78b3 MS |
1556 | { |
1557 | if (WIFEXITED(status)) | |
88f9aafc MS |
1558 | { |
1559 | int code = WEXITSTATUS(status); /* Exit code */ | |
1560 | ||
1561 | if (code > 100) | |
dcb445bc MS |
1562 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1563 | "PID %d (%s) stopped with status %d (%s)", pid, name, | |
1564 | code, strerror(code - 100)); | |
88f9aafc | 1565 | else |
dcb445bc MS |
1566 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1567 | "PID %d (%s) stopped with status %d.", pid, name, code); | |
88f9aafc | 1568 | } |
3dfe78b3 | 1569 | else |
dcb445bc MS |
1570 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) crashed on signal %d.", |
1571 | pid, name, WTERMSIG(status)); | |
3dfe78b3 MS |
1572 | |
1573 | if (LogLevel < CUPSD_LOG_DEBUG) | |
dcb445bc MS |
1574 | cupsdLogJob(job, CUPSD_LOG_INFO, |
1575 | "Hint: Try setting the LogLevel to \"debug\" to find out " | |
1576 | "more."); | |
3dfe78b3 MS |
1577 | } |
1578 | else | |
dcb445bc MS |
1579 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.", |
1580 | pid, name); | |
ef416fc2 | 1581 | } |
dfd5680b MS |
1582 | |
1583 | /* | |
1584 | * If wait*() is interrupted by a signal, tell main() to call us again... | |
1585 | */ | |
1586 | ||
1587 | if (pid < 0 && errno == EINTR) | |
1588 | dead_children = 1; | |
ef416fc2 | 1589 | } |
1590 | ||
1591 | ||
ef416fc2 | 1592 | /* |
1593 | * 'select_timeout()' - Calculate the select timeout value. | |
1594 | * | |
1595 | */ | |
1596 | ||
1597 | static long /* O - Number of seconds */ | |
bd7854cb | 1598 | select_timeout(int fds) /* I - Number of descriptors returned */ |
ef416fc2 | 1599 | { |
ef416fc2 | 1600 | long timeout; /* Timeout for select */ |
1601 | time_t now; /* Current time */ | |
1602 | cupsd_client_t *con; /* Client information */ | |
ef416fc2 | 1603 | cupsd_job_t *job; /* Job information */ |
ef416fc2 | 1604 | const char *why; /* Debugging aid */ |
1605 | ||
1606 | ||
82cc1f9a MS |
1607 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout: JobHistoryUpdate=%ld", |
1608 | (long)JobHistoryUpdate); | |
1609 | ||
ef416fc2 | 1610 | /* |
1611 | * Check to see if any of the clients have pending data to be | |
1612 | * processed; if so, the timeout should be 0... | |
1613 | */ | |
1614 | ||
bd7854cb | 1615 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1616 | con; | |
1617 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1618 | if (httpGetReady(con->http)) |
ef416fc2 | 1619 | return (0); |
1620 | ||
1621 | /* | |
f7deaa1a | 1622 | * If select has been active in the last second (fds > 0) or we have |
ef416fc2 | 1623 | * many resources in use then don't bother trying to optimize the |
1624 | * timeout, just make it 1 second. | |
1625 | */ | |
1626 | ||
f7deaa1a | 1627 | if (fds > 0 || cupsArrayCount(Clients) > 50) |
ef416fc2 | 1628 | return (1); |
1629 | ||
1630 | /* | |
1631 | * Otherwise, check all of the possible events that we need to wake for... | |
1632 | */ | |
1633 | ||
1634 | now = time(NULL); | |
1635 | timeout = now + 86400; /* 86400 == 1 day */ | |
1636 | why = "do nothing"; | |
1637 | ||
e6013cfa MS |
1638 | #ifdef __APPLE__ |
1639 | /* | |
1640 | * When going to sleep, wake up to cancel jobs that don't complete in time. | |
1641 | */ | |
1642 | ||
1643 | if (SleepJobs > 0 && SleepJobs < timeout) | |
1644 | { | |
1645 | timeout = SleepJobs; | |
1646 | why = "cancel jobs before sleeping"; | |
1647 | } | |
1648 | #endif /* __APPLE__ */ | |
1649 | ||
76cd9e37 MS |
1650 | /* |
1651 | * Check whether we are accepting new connections... | |
1652 | */ | |
1653 | ||
1654 | if (ListeningPaused > 0 && cupsArrayCount(Clients) < MaxClients && | |
1655 | ListeningPaused < timeout) | |
1656 | { | |
1657 | if (ListeningPaused <= now) | |
1658 | timeout = now; | |
1659 | else | |
1660 | timeout = ListeningPaused; | |
1661 | ||
1662 | why = "resume listening"; | |
1663 | } | |
1664 | ||
ef416fc2 | 1665 | /* |
1666 | * Check the activity and close old clients... | |
1667 | */ | |
1668 | ||
bd7854cb | 1669 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1670 | con; | |
1671 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1672 | if ((httpGetActivity(con->http) + Timeout) < timeout) |
ef416fc2 | 1673 | { |
1720786e | 1674 | timeout = httpGetActivity(con->http) + Timeout; |
ef416fc2 | 1675 | why = "timeout a client connection"; |
1676 | } | |
1677 | ||
3dfe78b3 | 1678 | /* |
bf3816c7 | 1679 | * Write out changes to configuration and state files... |
3dfe78b3 MS |
1680 | */ |
1681 | ||
1682 | if (DirtyCleanTime && timeout > DirtyCleanTime) | |
1683 | { | |
1684 | timeout = DirtyCleanTime; | |
1685 | why = "write dirty config/state files"; | |
1686 | } | |
1687 | ||
ef416fc2 | 1688 | /* |
82cc1f9a | 1689 | * Check for any job activity... |
ef416fc2 | 1690 | */ |
1691 | ||
82cc1f9a MS |
1692 | if (JobHistoryUpdate && timeout > JobHistoryUpdate) |
1693 | { | |
1694 | timeout = JobHistoryUpdate; | |
1695 | why = "update job history"; | |
1696 | } | |
1697 | ||
238c3832 MS |
1698 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
1699 | job; | |
1700 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
ef416fc2 | 1701 | { |
82cc1f9a MS |
1702 | if (job->cancel_time && job->cancel_time < timeout) |
1703 | { | |
1704 | timeout = job->cancel_time; | |
1705 | why = "cancel stuck jobs"; | |
1706 | } | |
1707 | ||
238c3832 MS |
1708 | if (job->kill_time && job->kill_time < timeout) |
1709 | { | |
1710 | timeout = job->kill_time; | |
1711 | why = "kill unresponsive jobs"; | |
1712 | } | |
82cc1f9a MS |
1713 | |
1714 | if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout) | |
238c3832 MS |
1715 | { |
1716 | timeout = job->hold_until; | |
1717 | why = "release held jobs"; | |
1718 | } | |
82cc1f9a MS |
1719 | |
1720 | if (job->state_value == IPP_JOB_PENDING && timeout > (now + 10)) | |
238c3832 MS |
1721 | { |
1722 | timeout = now + 10; | |
1723 | why = "start pending jobs"; | |
1724 | break; | |
1725 | } | |
ef416fc2 | 1726 | } |
1727 | ||
1728 | #ifdef HAVE_MALLINFO | |
1729 | /* | |
1730 | * Log memory usage every minute... | |
1731 | */ | |
1732 | ||
1733 | if (LogLevel >= CUPSD_LOG_DEBUG && (mallinfo_time + 60) < timeout) | |
1734 | { | |
1735 | timeout = mallinfo_time + 60; | |
1736 | why = "display memory usage"; | |
1737 | } | |
1738 | #endif /* HAVE_MALLINFO */ | |
1739 | ||
ef416fc2 | 1740 | /* |
dcb445bc MS |
1741 | * Adjust from absolute to relative time. We add 1 second to the timeout since |
1742 | * events occur after the timeout expires, and limit the timeout to 86400 | |
1743 | * seconds (1 day) to avoid select() timeout limits present on some operating | |
ef416fc2 | 1744 | * systems... |
1745 | */ | |
1746 | ||
1747 | timeout = timeout - now + 1; | |
1748 | ||
1749 | if (timeout < 1) | |
1750 | timeout = 1; | |
1751 | else if (timeout > 86400) | |
1752 | timeout = 86400; | |
1753 | ||
1754 | /* | |
1755 | * Log and return the timeout value... | |
1756 | */ | |
1757 | ||
f7deaa1a | 1758 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout(%d): %ld seconds to %s", |
1759 | fds, timeout, why); | |
ef416fc2 | 1760 | |
1761 | return (timeout); | |
1762 | } | |
1763 | ||
1764 | ||
e6013cfa MS |
1765 | /* |
1766 | * 'sigchld_handler()' - Handle 'child' signals from old processes. | |
1767 | */ | |
1768 | ||
1769 | static void | |
1770 | sigchld_handler(int sig) /* I - Signal number */ | |
1771 | { | |
1772 | (void)sig; | |
1773 | ||
1774 | /* | |
1775 | * Flag that we have dead children... | |
1776 | */ | |
1777 | ||
1778 | dead_children = 1; | |
1779 | ||
1780 | /* | |
1781 | * Reset the signal handler as needed... | |
1782 | */ | |
1783 | ||
1784 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1785 | signal(SIGCLD, sigchld_handler); | |
1786 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1787 | } | |
1788 | ||
1789 | ||
1790 | /* | |
1791 | * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler. | |
1792 | */ | |
1793 | ||
1794 | static void | |
1795 | sighup_handler(int sig) /* I - Signal number */ | |
1796 | { | |
1797 | (void)sig; | |
1798 | ||
1799 | NeedReload = RELOAD_ALL; | |
1800 | ReloadTime = time(NULL); | |
1801 | ||
1802 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1803 | signal(SIGHUP, sighup_handler); | |
1804 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1805 | } | |
1806 | ||
1807 | ||
1808 | /* | |
1809 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler. | |
1810 | */ | |
1811 | ||
1812 | static void | |
1813 | sigterm_handler(int sig) /* I - Signal number */ | |
1814 | { | |
1815 | (void)sig; /* remove compiler warnings... */ | |
1816 | ||
1817 | /* | |
1818 | * Flag that we should stop and return... | |
1819 | */ | |
1820 | ||
1821 | stop_scheduler = 1; | |
1822 | } | |
1823 | ||
1824 | ||
1720786e MS |
1825 | #if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD) |
1826 | /* | |
1827 | * 'service_checkin()' - Check-in with launchd and collect the listening fds. | |
1828 | */ | |
1829 | ||
1830 | static void | |
1831 | service_checkin(void) | |
1832 | { | |
1833 | # ifdef HAVE_LAUNCH_ACTIVATE_SOCKET | |
1834 | int error; /* Check-in error, if any */ | |
1835 | size_t i, /* Looping var */ | |
1836 | count; /* Number of listeners */ | |
1837 | int *ld_sockets; /* Listener sockets */ | |
1838 | cupsd_listener_t *lis; /* Listeners array */ | |
1839 | http_addr_t addr; /* Address variable */ | |
1840 | socklen_t addrlen; /* Length of address */ | |
1841 | char s[256]; /* String addresss */ | |
1842 | ||
1843 | ||
1844 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1845 | ||
1846 | /* | |
1847 | * Check-in with launchd... | |
1848 | */ | |
1849 | ||
1850 | if ((error = launch_activate_socket("Listeners", &ld_sockets, &count)) != 0) | |
1851 | { | |
1852 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(error)); | |
1853 | exit(EXIT_FAILURE); | |
1854 | return; /* anti-compiler-warning */ | |
1855 | } | |
1856 | ||
1857 | /* | |
1858 | * Try to match the launchd sockets to the cupsd listeners... | |
1859 | */ | |
1860 | ||
1861 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1862 | ||
1863 | for (i = 0; i < count; i ++) | |
1864 | { | |
1865 | /* | |
1866 | * Get the launchd socket address... | |
1867 | */ | |
1868 | ||
1869 | addrlen = sizeof(addr); | |
1870 | ||
1871 | if (getsockname(ld_sockets[i], (struct sockaddr *)&addr, &addrlen)) | |
1872 | { | |
1873 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
1874 | continue; | |
1875 | } | |
1876 | ||
1877 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, ld_sockets[i], httpAddrString(&addr, s, sizeof(s))); | |
1878 | ||
1879 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1880 | lis; | |
1881 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1882 | if (httpAddrEqual(&lis->address, &addr)) | |
1883 | break; | |
1884 | ||
1885 | /* | |
1886 | * Add a new listener if there's no match... | |
1887 | */ | |
1888 | ||
1889 | if (lis) | |
1890 | { | |
1891 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
1892 | } | |
1893 | else | |
1894 | { | |
1895 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
1896 | ||
1897 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
1898 | { | |
1899 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
1900 | exit(EXIT_FAILURE); | |
1901 | } | |
1902 | ||
1903 | cupsArrayAdd(Listeners, lis); | |
1904 | ||
1905 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
1906 | } | |
1907 | ||
1908 | lis->fd = ld_sockets[i]; | |
1909 | lis->on_demand = 1; | |
1910 | ||
1911 | # ifdef HAVE_SSL | |
1912 | if (httpAddrPort(&(lis->address)) == 443) | |
1913 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
1914 | # endif /* HAVE_SSL */ | |
1915 | } | |
1916 | ||
117466cd MS |
1917 | free(ld_sockets); |
1918 | ||
1720786e MS |
1919 | # elif defined(HAVE_LAUNCHD) |
1920 | size_t i, /* Looping var */ | |
1921 | count; /* Number of listeners */ | |
1922 | launch_data_t ld_msg, /* Launch data message */ | |
1923 | ld_resp, /* Launch data response */ | |
1924 | ld_array, /* Launch data array */ | |
1925 | ld_sockets, /* Launch data sockets dictionary */ | |
1926 | tmp; /* Launch data */ | |
1927 | cupsd_listener_t *lis; /* Listeners array */ | |
1928 | http_addr_t addr; /* Address variable */ | |
1929 | socklen_t addrlen; /* Length of address */ | |
1930 | int fd; /* File descriptor */ | |
1931 | char s[256]; /* String addresss */ | |
1932 | ||
1933 | ||
1934 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
1935 | ||
1936 | /* | |
1937 | * Check-in with launchd... | |
1938 | */ | |
1939 | ||
1940 | ld_msg = launch_data_new_string(LAUNCH_KEY_CHECKIN); | |
1941 | if ((ld_resp = launch_msg(ld_msg)) == NULL) | |
1942 | { | |
1943 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1944 | "service_checkin: launch_msg(\"" LAUNCH_KEY_CHECKIN | |
1945 | "\") IPC failure"); | |
1946 | exit(EXIT_FAILURE); | |
1947 | return; /* anti-compiler-warning */ | |
1948 | } | |
1949 | ||
1950 | if (launch_data_get_type(ld_resp) == LAUNCH_DATA_ERRNO) | |
1951 | { | |
1952 | errno = launch_data_get_errno(ld_resp); | |
1953 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Check-in failed: %s", | |
1954 | strerror(errno)); | |
1955 | exit(EXIT_FAILURE); | |
1956 | return; /* anti-compiler-warning */ | |
1957 | } | |
1958 | ||
1959 | /* | |
1960 | * Get the sockets dictionary... | |
1961 | */ | |
1962 | ||
1963 | if ((ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS)) | |
1964 | == NULL) | |
1965 | { | |
1966 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1967 | "service_checkin: No sockets found to answer requests on."); | |
1968 | exit(EXIT_FAILURE); | |
1969 | return; /* anti-compiler-warning */ | |
1970 | } | |
1971 | ||
1972 | /* | |
1973 | * Get the array of listener sockets... | |
1974 | */ | |
1975 | ||
1976 | if ((ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")) == NULL) | |
1977 | { | |
1978 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1979 | "service_checkin: No sockets found to answer requests on."); | |
1980 | exit(EXIT_FAILURE); | |
1981 | return; /* anti-compiler-warning */ | |
1982 | } | |
1983 | ||
1984 | /* | |
1985 | * Add listening fd(s) to the Listener array... | |
1986 | */ | |
1987 | ||
1988 | if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY) | |
1989 | { | |
1990 | count = launch_data_array_get_count(ld_array); | |
1991 | ||
1992 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); | |
1993 | ||
1994 | for (i = 0; i < count; i ++) | |
1995 | { | |
1996 | /* | |
1997 | * Get the launchd file descriptor and address... | |
1998 | */ | |
1999 | ||
2000 | if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL) | |
2001 | { | |
2002 | fd = launch_data_get_fd(tmp); | |
2003 | addrlen = sizeof(addr); | |
2004 | ||
2005 | if (getsockname(fd, (struct sockaddr *)&addr, &addrlen)) | |
2006 | { | |
2007 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
2008 | continue; | |
2009 | } | |
2010 | ||
2011 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, fd, httpAddrString(&addr, s, sizeof(s))); | |
2012 | ||
2013 | /* | |
2014 | * Try to match the launchd socket address to one of the listeners... | |
2015 | */ | |
2016 | ||
2017 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
2018 | lis; | |
2019 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
2020 | if (httpAddrEqual(&lis->address, &addr)) | |
2021 | break; | |
2022 | ||
2023 | /* | |
2024 | * Add a new listener If there's no match... | |
2025 | */ | |
2026 | ||
2027 | if (lis) | |
2028 | { | |
2029 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
2030 | } | |
2031 | else | |
2032 | { | |
2033 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2034 | ||
2035 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2036 | { | |
2037 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s.", strerror(errno)); | |
2038 | exit(EXIT_FAILURE); | |
2039 | } | |
2040 | ||
2041 | cupsArrayAdd(Listeners, lis); | |
2042 | ||
2043 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2044 | } | |
2045 | ||
2046 | lis->fd = fd; | |
2047 | lis->on_demand = 1; | |
2048 | ||
2049 | # ifdef HAVE_SSL | |
2050 | if (httpAddrPort(&(lis->address)) == 443) | |
2051 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2052 | # endif /* HAVE_SSL */ | |
2053 | } | |
2054 | } | |
2055 | } | |
2056 | ||
2057 | launch_data_free(ld_msg); | |
2058 | launch_data_free(ld_resp); | |
2059 | ||
2060 | # else /* HAVE_SYSTEMD */ | |
2061 | int i, /* Looping var */ | |
2062 | count; /* Number of listeners */ | |
2063 | cupsd_listener_t *lis; /* Listeners array */ | |
2064 | http_addr_t addr; /* Address variable */ | |
2065 | socklen_t addrlen; /* Length of address */ | |
2066 | char s[256]; /* String addresss */ | |
2067 | ||
2068 | ||
2069 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); | |
2070 | ||
2071 | /* | |
2072 | * Check-in with systemd... | |
2073 | */ | |
2074 | ||
2075 | if ((count = sd_listen_fds(0)) < 0) | |
2076 | { | |
5950e7bd | 2077 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(-count)); |
1720786e MS |
2078 | exit(EXIT_FAILURE); |
2079 | return; /* anti-compiler-warning */ | |
2080 | } | |
2081 | ||
2082 | /* | |
2083 | * Try to match the systemd sockets to the cupsd listeners... | |
2084 | */ | |
2085 | ||
2086 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", count); | |
2087 | ||
2088 | for (i = 0; i < count; i ++) | |
2089 | { | |
2090 | /* | |
2091 | * Get the launchd socket address... | |
2092 | */ | |
2093 | ||
2094 | addrlen = sizeof(addr); | |
2095 | ||
2096 | if (getsockname(SD_LISTEN_FDS_START + i, (struct sockaddr *)&addr, &addrlen)) | |
2097 | { | |
2098 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno)); | |
2099 | continue; | |
2100 | } | |
2101 | ||
2102 | 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))); | |
2103 | ||
2104 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
2105 | lis; | |
2106 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
2107 | if (httpAddrEqual(&lis->address, &addr)) | |
2108 | break; | |
2109 | ||
2110 | /* | |
2111 | * Add a new listener if there's no match... | |
2112 | */ | |
2113 | ||
2114 | if (lis) | |
2115 | { | |
2116 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s))); | |
2117 | } | |
2118 | else | |
2119 | { | |
2120 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 1, httpAddrString(&addr, s, sizeof(s))); | |
2121 | ||
2122 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
2123 | { | |
2124 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s", strerror(errno)); | |
2125 | exit(EXIT_FAILURE); | |
2126 | } | |
2127 | ||
2128 | cupsArrayAdd(Listeners, lis); | |
2129 | ||
2130 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
2131 | } | |
2132 | ||
2133 | lis->fd = SD_LISTEN_FDS_START + i; | |
2134 | lis->on_demand = 1; | |
2135 | ||
2136 | # ifdef HAVE_SSL | |
2137 | if (httpAddrPort(&(lis->address)) == 443) | |
2138 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
2139 | # endif /* HAVE_SSL */ | |
2140 | } | |
2141 | # endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */ | |
2142 | } | |
2143 | ||
2144 | ||
2145 | /* | |
2146 | * 'service_checkout()' - Update the CUPS_KEEPALIVE file as needed. | |
2147 | */ | |
2148 | ||
2149 | static void | |
2150 | service_checkout(void) | |
2151 | { | |
2152 | int fd; /* File descriptor */ | |
2153 | ||
2154 | ||
2155 | /* | |
8e732f4a | 2156 | * Create or remove the "keep-alive" file based on whether there are active |
1720786e MS |
2157 | * jobs or shared printers to advertise... |
2158 | */ | |
2159 | ||
0627e869 | 2160 | if (cupsArrayCount(ActiveJobs) || /* Active jobs */ |
0627e869 | 2161 | WebInterface || /* Web interface enabled */ |
1720786e | 2162 | (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers))) |
0627e869 | 2163 | /* Printers being shared */ |
1720786e MS |
2164 | { |
2165 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2166 | ||
2167 | if ((fd = open(CUPS_KEEPALIVE, O_RDONLY | O_CREAT | O_EXCL, S_IRUSR)) >= 0) | |
2168 | close(fd); | |
2169 | } | |
2170 | else | |
2171 | { | |
2172 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Removing keep-alive file \"" CUPS_KEEPALIVE "\"."); | |
2173 | ||
2174 | unlink(CUPS_KEEPALIVE); | |
2175 | } | |
2176 | } | |
2177 | #endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */ | |
2178 | ||
2179 | ||
ef416fc2 | 2180 | /* |
2181 | * 'usage()' - Show scheduler usage. | |
2182 | */ | |
2183 | ||
2184 | static void | |
a4d04587 | 2185 | usage(int status) /* O - Exit status */ |
ef416fc2 | 2186 | { |
0837b7e8 MS |
2187 | FILE *fp = status ? stderr : stdout; /* Output file */ |
2188 | ||
2189 | ||
2190 | _cupsLangPuts(fp, _("Usage: cupsd [options]")); | |
2191 | _cupsLangPuts(fp, _("Options:")); | |
f3c17241 | 2192 | _cupsLangPuts(fp, _(" -c cupsd.conf Set cupsd.conf file to use.")); |
84315f46 | 2193 | _cupsLangPuts(fp, _(" -f Run in the foreground.")); |
3b433010 | 2194 | _cupsLangPuts(fp, _(" -F Run in the foreground but detach from console.")); |
84315f46 | 2195 | _cupsLangPuts(fp, _(" -h Show this usage message.")); |
1720786e | 2196 | _cupsLangPuts(fp, _(" -l Run cupsd on demand.")); |
3b433010 MS |
2197 | _cupsLangPuts(fp, _(" -s cups-files.conf Set cups-files.conf file to use.")); |
2198 | _cupsLangPuts(fp, _(" -t Test the configuration file.")); | |
0837b7e8 | 2199 | |
a4d04587 | 2200 | exit(status); |
ef416fc2 | 2201 | } |