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Commit | Line | Data |
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ef416fc2 | 1 | /* |
581dae2d | 2 | * Main loop for the CUPS scheduler. |
ef416fc2 | 3 | * |
47b3bd03 | 4 | * Copyright © 2007-2019 by Apple Inc. |
c4b22214 | 5 | * Copyright © 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 6 | * |
eb2cb9b0 MS |
7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
8 | * information. | |
ef416fc2 | 9 | */ |
10 | ||
11 | /* | |
12 | * Include necessary headers... | |
13 | */ | |
14 | ||
15 | #define _MAIN_C_ | |
16 | #include "cupsd.h" | |
17 | #include <sys/resource.h> | |
bbe495b0 MS |
18 | #ifdef __APPLE__ |
19 | # include <xpc/xpc.h> | |
2c3b8f53 | 20 | # include <pthread/qos.h> |
bbe495b0 | 21 | #endif /* __APPLE__ */ |
a1797929 MS |
22 | #ifdef HAVE_ASL_H |
23 | # include <asl.h> | |
24 | #elif defined(HAVE_SYSTEMD_SD_JOURNAL_H) | |
25 | # define SD_JOURNAL_SUPPRESS_LOCATION | |
26 | # include <systemd/sd-journal.h> | |
27 | #endif /* HAVE_ASL_H */ | |
ef416fc2 | 28 | #include <syslog.h> |
29 | #include <grp.h> | |
30 | ||
a4d04587 | 31 | #ifdef HAVE_LAUNCH_H |
32 | # include <launch.h> | |
a4d04587 | 33 | #endif /* HAVE_LAUNCH_H */ |
34 | ||
1720786e | 35 | #ifdef HAVE_SYSTEMD |
5950e7bd | 36 | # include <systemd/sd-daemon.h> |
1720786e MS |
37 | #endif /* HAVE_SYSTEMD */ |
38 | ||
441de8b2 BN |
39 | #ifdef HAVE_ONDEMAND |
40 | # define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd" | |
41 | /* Name of the KeepAlive file */ | |
03bc3ef4 | 42 | #endif /* HAVE_ONDEMAND */ |
441de8b2 | 43 | |
ef416fc2 | 44 | #if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO) |
45 | # include <malloc.h> | |
46 | #endif /* HAVE_MALLOC_H && HAVE_MALLINFO */ | |
3dd9c340 | 47 | |
fa73b229 | 48 | #ifdef HAVE_NOTIFY_H |
49 | # include <notify.h> | |
50 | #endif /* HAVE_NOTIFY_H */ | |
ef416fc2 | 51 | |
e7f455a5 MS |
52 | #ifdef HAVE_DBUS |
53 | # include <dbus/dbus.h> | |
54 | #endif /* HAVE_DBUS */ | |
55 | ||
3dd9c340 MS |
56 | #ifdef HAVE_SYS_PARAM_H |
57 | # include <sys/param.h> | |
58 | #endif /* HAVE_SYS_PARAM_H */ | |
59 | ||
ef416fc2 | 60 | |
61 | /* | |
62 | * Local functions... | |
63 | */ | |
64 | ||
411affcf | 65 | static void parent_handler(int sig); |
66 | static void process_children(void); | |
67 | static void sigchld_handler(int sig); | |
68 | static void sighup_handler(int sig); | |
69 | static void sigterm_handler(int sig); | |
70 | static long select_timeout(int fds); | |
1720786e | 71 | static void service_checkin(void); |
03bc3ef4 | 72 | static void service_checkout(int shutdown); |
a32af27c | 73 | static void usage(int status) _CUPS_NORETURN; |
ef416fc2 | 74 | |
75 | ||
76 | /* | |
77 | * Local globals... | |
78 | */ | |
79 | ||
411affcf | 80 | static int parent_signal = 0; |
81 | /* Set to signal number from child */ | |
82 | static int holdcount = 0; /* Number of times "hold" was called */ | |
ef416fc2 | 83 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
411affcf | 84 | static sigset_t holdmask; /* Old POSIX signal mask */ |
ef416fc2 | 85 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
411affcf | 86 | static int dead_children = 0; |
87 | /* Dead children? */ | |
88 | static int stop_scheduler = 0; | |
89 | /* Should the scheduler stop? */ | |
e1bb4a6e | 90 | static time_t local_timeout = 0; |
3dee5db7 | 91 | /* Next local printer timeout */ |
411affcf | 92 | |
ef416fc2 | 93 | |
94 | /* | |
95 | * 'main()' - Main entry for the CUPS scheduler. | |
96 | */ | |
97 | ||
98 | int /* O - Exit status */ | |
bd7854cb | 99 | main(int argc, /* I - Number of command-line args */ |
ef416fc2 | 100 | char *argv[]) /* I - Command-line arguments */ |
101 | { | |
102 | int i; /* Looping var */ | |
103 | char *opt; /* Option character */ | |
108f7505 MS |
104 | int close_all = 1, /* Close all file descriptors? */ |
105 | disconnect = 1, /* Disconnect from controlling terminal? */ | |
106 | fg = 0, /* Run in foreground? */ | |
2dd94018 | 107 | run_as_child = 0, |
108f7505 | 108 | /* Running as child process? */ |
2dd94018 MS |
109 | print_profile = 0; |
110 | /* Print the sandbox profile to stdout? */ | |
bd7854cb | 111 | int fds; /* Number of ready descriptors */ |
ef416fc2 | 112 | cupsd_client_t *con; /* Current client */ |
113 | cupsd_job_t *job; /* Current job */ | |
114 | cupsd_listener_t *lis; /* Current listener */ | |
115 | time_t current_time, /* Current time */ | |
a4d04587 | 116 | activity, /* Client activity timer */ |
ef416fc2 | 117 | senddoc_time, /* Send-Document time */ |
411affcf | 118 | expire_time, /* Subscription expire time */ |
50fe7201 | 119 | report_time, /* Malloc/client/job report time */ |
5a662dc0 | 120 | event_time; /* Last event notification time */ |
f7deaa1a | 121 | long timeout; /* Timeout for cupsdDoSelect() */ |
ef416fc2 | 122 | struct rlimit limit; /* Runtime limit */ |
123 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
124 | struct sigaction action; /* Actions for POSIX signals */ | |
125 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
a41f09e2 | 126 | #ifdef __APPLE__ |
1deb86fd | 127 | int use_sysman = 1; /* Use system management functions? */ |
a4924f6c MS |
128 | #else |
129 | time_t netif_time = 0; /* Time since last network update */ | |
a41f09e2 | 130 | #endif /* __APPLE__ */ |
c187d9ab | 131 | #if defined(HAVE_ONDEMAND) |
a3081849 | 132 | int service_idle_exit = 0; |
a4d04587 | 133 | /* Idle exit on select timeout? */ |
c187d9ab | 134 | #endif /* HAVE_ONDEMAND */ |
ef416fc2 | 135 | |
136 | ||
db1f069b MS |
137 | #ifdef HAVE_GETEUID |
138 | /* | |
139 | * Check for setuid invocation, which we do not support! | |
140 | */ | |
141 | ||
142 | if (getuid() != geteuid()) | |
143 | { | |
1deb86fd | 144 | fputs("cupsd: Cannot run as a setuid program.\n", stderr); |
db1f069b MS |
145 | return (1); |
146 | } | |
147 | #endif /* HAVE_GETEUID */ | |
148 | ||
ef416fc2 | 149 | /* |
150 | * Check for command-line arguments... | |
151 | */ | |
152 | ||
4400e98d | 153 | fg = 0; |
ef416fc2 | 154 | |
155 | for (i = 1; i < argc; i ++) | |
c4b22214 MS |
156 | { |
157 | if (!strcmp(argv[i], "--help")) | |
065632e2 | 158 | usage(0); |
c4b22214 MS |
159 | else if (argv[i][0] == '-') |
160 | { | |
ef416fc2 | 161 | for (opt = argv[i] + 1; *opt != '\0'; opt ++) |
c4b22214 | 162 | { |
ef416fc2 | 163 | switch (*opt) |
164 | { | |
a41f09e2 MS |
165 | case 'C' : /* Run as child with config file */ |
166 | run_as_child = 1; | |
108f7505 MS |
167 | fg = 1; |
168 | close_all = 0; | |
a41f09e2 | 169 | |
ef416fc2 | 170 | case 'c' : /* Configuration file */ |
171 | i ++; | |
172 | if (i >= argc) | |
a4d04587 | 173 | { |
174 | _cupsLangPuts(stderr, _("cupsd: Expected config filename " | |
0837b7e8 | 175 | "after \"-c\" option.")); |
a4d04587 | 176 | usage(1); |
177 | } | |
ef416fc2 | 178 | |
179 | if (argv[i][0] == '/') | |
180 | { | |
181 | /* | |
182 | * Absolute directory... | |
183 | */ | |
184 | ||
185 | cupsdSetString(&ConfigurationFile, argv[i]); | |
186 | } | |
187 | else | |
188 | { | |
189 | /* | |
190 | * Relative directory... | |
191 | */ | |
192 | ||
09ec0018 | 193 | char *current; /* Current directory */ |
ef416fc2 | 194 | |
09ec0018 | 195 | /* |
196 | * Allocate a buffer for the current working directory to | |
197 | * reduce run-time stack usage; this approximates the | |
198 | * behavior of some implementations of getcwd() when they | |
199 | * are passed a NULL pointer. | |
200 | */ | |
201 | ||
91c84a35 MS |
202 | if ((current = malloc(1024)) == NULL) |
203 | { | |
204 | _cupsLangPuts(stderr, | |
0837b7e8 | 205 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
206 | return (1); |
207 | } | |
208 | ||
209 | if (!getcwd(current, 1024)) | |
210 | { | |
211 | _cupsLangPuts(stderr, | |
0837b7e8 | 212 | _("cupsd: Unable to get current directory.")); |
91c84a35 MS |
213 | free(current); |
214 | return (1); | |
215 | } | |
09ec0018 | 216 | |
ef416fc2 | 217 | cupsdSetStringf(&ConfigurationFile, "%s/%s", current, argv[i]); |
09ec0018 | 218 | free(current); |
ef416fc2 | 219 | } |
220 | break; | |
221 | ||
222 | case 'f' : /* Run in foreground... */ | |
108f7505 MS |
223 | fg = 1; |
224 | disconnect = 0; | |
225 | close_all = 0; | |
ef416fc2 | 226 | break; |
227 | ||
bd7854cb | 228 | case 'F' : /* Run in foreground, but disconnect from terminal... */ |
108f7505 MS |
229 | fg = 1; |
230 | close_all = 0; | |
ef416fc2 | 231 | break; |
232 | ||
a4d04587 | 233 | case 'h' : /* Show usage/help */ |
234 | usage(0); | |
235 | break; | |
236 | ||
441de8b2 | 237 | case 'l' : /* Started by launchd/systemd/upstart... */ |
03bc3ef4 | 238 | #ifdef HAVE_ONDEMAND |
108f7505 MS |
239 | OnDemand = 1; |
240 | fg = 1; | |
241 | close_all = 0; | |
242 | disconnect = 0; | |
a4d04587 | 243 | #else |
1720786e | 244 | _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled " |
0837b7e8 | 245 | "in, running in normal mode.")); |
108f7505 MS |
246 | fg = 0; |
247 | disconnect = 1; | |
248 | close_all = 1; | |
c187d9ab | 249 | #endif /* HAVE_ONDEMAND */ |
a4d04587 | 250 | break; |
251 | ||
a74454a7 | 252 | case 'p' : /* Stop immediately for profiling */ |
5a662dc0 MS |
253 | fputs("cupsd: -p (startup profiling) is for internal testing " |
254 | "use only!\n", stderr); | |
a74454a7 | 255 | stop_scheduler = 1; |
256 | fg = 1; | |
108f7505 MS |
257 | disconnect = 0; |
258 | close_all = 0; | |
a74454a7 | 259 | break; |
260 | ||
1340db2d | 261 | case 'P' : /* Disable security profiles */ |
8fe0183a MS |
262 | fputs("cupsd: -P (disable sandboxing) is for internal testing use only.\n", stderr); |
263 | UseSandboxing = 0; | |
1340db2d MS |
264 | break; |
265 | ||
c41769ff MS |
266 | case 's' : /* Set cups-files.conf location */ |
267 | i ++; | |
268 | if (i >= argc) | |
269 | { | |
270 | _cupsLangPuts(stderr, _("cupsd: Expected cups-files.conf " | |
271 | "filename after \"-s\" option.")); | |
272 | usage(1); | |
273 | } | |
274 | ||
275 | if (argv[i][0] != '/') | |
276 | { | |
277 | /* | |
278 | * Relative filename not allowed... | |
279 | */ | |
280 | ||
281 | _cupsLangPuts(stderr, _("cupsd: Relative cups-files.conf " | |
282 | "filename not allowed.")); | |
283 | usage(1); | |
284 | } | |
285 | ||
286 | cupsdSetString(&CupsFilesFile, argv[i]); | |
287 | break; | |
288 | ||
68b10830 MS |
289 | #ifdef __APPLE__ |
290 | case 'S' : /* Disable system management functions */ | |
5a662dc0 MS |
291 | fputs("cupsd: -S (disable system management) for internal " |
292 | "testing use only!\n", stderr); | |
68b10830 MS |
293 | use_sysman = 0; |
294 | break; | |
295 | #endif /* __APPLE__ */ | |
296 | ||
2e4ff8af MS |
297 | case 't' : /* Test the cupsd.conf file... */ |
298 | TestConfigFile = 1; | |
299 | fg = 1; | |
108f7505 MS |
300 | disconnect = 0; |
301 | close_all = 0; | |
2e4ff8af MS |
302 | break; |
303 | ||
2dd94018 MS |
304 | case 'T' : /* Print security profile */ |
305 | print_profile = 1; | |
306 | fg = 1; | |
307 | disconnect = 0; | |
308 | close_all = 0; | |
309 | break; | |
310 | ||
ef416fc2 | 311 | default : /* Unknown option */ |
a4d04587 | 312 | _cupsLangPrintf(stderr, _("cupsd: Unknown option \"%c\" - " |
0837b7e8 | 313 | "aborting."), *opt); |
a4d04587 | 314 | usage(1); |
ef416fc2 | 315 | break; |
316 | } | |
c4b22214 MS |
317 | } |
318 | } | |
ef416fc2 | 319 | else |
320 | { | |
0837b7e8 | 321 | _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."), |
a4d04587 | 322 | argv[i]); |
323 | usage(1); | |
ef416fc2 | 324 | } |
c4b22214 | 325 | } |
ef416fc2 | 326 | |
327 | if (!ConfigurationFile) | |
328 | cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf"); | |
329 | ||
cb7f98ee MS |
330 | if (!CupsFilesFile) |
331 | { | |
332 | char *filename, /* Copy of cupsd.conf filename */ | |
333 | *slash; /* Final slash in cupsd.conf filename */ | |
334 | size_t len; /* Size of buffer */ | |
335 | ||
336 | len = strlen(ConfigurationFile) + 15; | |
337 | if ((filename = malloc(len)) == NULL) | |
338 | { | |
339 | _cupsLangPrintf(stderr, | |
340 | _("cupsd: Unable to get path to " | |
341 | "cups-files.conf file.")); | |
342 | return (1); | |
343 | } | |
344 | ||
345 | strlcpy(filename, ConfigurationFile, len); | |
346 | if ((slash = strrchr(filename, '/')) == NULL) | |
347 | { | |
507c4adc | 348 | free(filename); |
cb7f98ee MS |
349 | _cupsLangPrintf(stderr, |
350 | _("cupsd: Unable to get path to " | |
351 | "cups-files.conf file.")); | |
352 | return (1); | |
353 | } | |
354 | ||
7e86f2f6 | 355 | strlcpy(slash, "/cups-files.conf", len - (size_t)(slash - filename)); |
cb7f98ee MS |
356 | cupsdSetString(&CupsFilesFile, filename); |
357 | free(filename); | |
358 | } | |
359 | ||
108f7505 MS |
360 | if (disconnect) |
361 | { | |
362 | /* | |
363 | * Make sure we aren't tying up any filesystems... | |
364 | */ | |
365 | ||
366 | chdir("/"); | |
367 | ||
368 | /* | |
369 | * Disconnect from the controlling terminal... | |
370 | */ | |
371 | ||
372 | setsid(); | |
373 | } | |
374 | ||
375 | if (close_all) | |
376 | { | |
377 | /* | |
378 | * Close all open files... | |
379 | */ | |
380 | ||
381 | getrlimit(RLIMIT_NOFILE, &limit); | |
382 | ||
383 | for (i = 0; i < (int)limit.rlim_cur && i < 1024; i ++) | |
384 | close(i); | |
385 | ||
386 | /* | |
387 | * Redirect stdin/out/err to /dev/null... | |
388 | */ | |
389 | ||
390 | if ((i = open("/dev/null", O_RDONLY)) != 0) | |
391 | { | |
392 | dup2(i, 0); | |
393 | close(i); | |
394 | } | |
395 | ||
396 | if ((i = open("/dev/null", O_WRONLY)) != 1) | |
397 | { | |
398 | dup2(i, 1); | |
399 | close(i); | |
400 | } | |
401 | ||
402 | if ((i = open("/dev/null", O_WRONLY)) != 2) | |
403 | { | |
404 | dup2(i, 2); | |
405 | close(i); | |
406 | } | |
407 | } | |
a1797929 MS |
408 | else |
409 | LogStderr = cupsFileStderr(); | |
108f7505 | 410 | |
ef416fc2 | 411 | /* |
108f7505 | 412 | * Run in the background as needed... |
ef416fc2 | 413 | */ |
414 | ||
415 | if (!fg) | |
416 | { | |
417 | /* | |
418 | * Setup signal handlers for the parent... | |
419 | */ | |
420 | ||
421 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
422 | sigset(SIGUSR1, parent_handler); | |
423 | sigset(SIGCHLD, parent_handler); | |
424 | ||
425 | sigset(SIGHUP, SIG_IGN); | |
426 | #elif defined(HAVE_SIGACTION) | |
427 | memset(&action, 0, sizeof(action)); | |
428 | sigemptyset(&action.sa_mask); | |
429 | sigaddset(&action.sa_mask, SIGUSR1); | |
430 | action.sa_handler = parent_handler; | |
431 | sigaction(SIGUSR1, &action, NULL); | |
432 | sigaction(SIGCHLD, &action, NULL); | |
433 | ||
434 | sigemptyset(&action.sa_mask); | |
435 | action.sa_handler = SIG_IGN; | |
436 | sigaction(SIGHUP, &action, NULL); | |
437 | #else | |
438 | signal(SIGUSR1, parent_handler); | |
439 | signal(SIGCLD, parent_handler); | |
440 | ||
441 | signal(SIGHUP, SIG_IGN); | |
442 | #endif /* HAVE_SIGSET */ | |
443 | ||
444 | if (fork() > 0) | |
445 | { | |
446 | /* | |
447 | * OK, wait for the child to startup and send us SIGUSR1 or to crash | |
448 | * and the OS send us SIGCHLD... We also need to ignore SIGHUP which | |
449 | * might be sent by the init script to restart the scheduler... | |
450 | */ | |
451 | ||
452 | for (; parent_signal == 0;) | |
453 | sleep(1); | |
454 | ||
455 | if (parent_signal == SIGUSR1) | |
456 | return (0); | |
457 | ||
458 | if (wait(&i) < 0) | |
459 | { | |
460 | perror("cupsd"); | |
461 | return (1); | |
462 | } | |
463 | else if (WIFEXITED(i)) | |
464 | { | |
4d301e69 | 465 | fprintf(stderr, "cupsd: Child exited with status %d\n", |
bd7854cb | 466 | WEXITSTATUS(i)); |
ef416fc2 | 467 | return (2); |
468 | } | |
469 | else | |
470 | { | |
4d301e69 | 471 | fprintf(stderr, "cupsd: Child exited on signal %d\n", WTERMSIG(i)); |
ef416fc2 | 472 | return (3); |
473 | } | |
474 | } | |
a41f09e2 | 475 | |
3dd9c340 | 476 | #if defined(__OpenBSD__) && OpenBSD < 201211 |
68b10830 MS |
477 | /* |
478 | * Call _thread_sys_closefrom() so the child process doesn't reset the | |
479 | * parent's file descriptors to be blocking. This is a workaround for a | |
3dd9c340 | 480 | * limitation of userland libpthread on older versions of OpenBSD. |
68b10830 | 481 | */ |
ef55b745 | 482 | |
68b10830 | 483 | _thread_sys_closefrom(0); |
3dd9c340 | 484 | #endif /* __OpenBSD__ && OpenBSD < 201211 */ |
68b10830 | 485 | |
a41f09e2 | 486 | /* |
108f7505 MS |
487 | * Since many system libraries create fork-unsafe data on execution of a |
488 | * program, we need to re-execute the background cupsd with the "-C" and "-s" | |
489 | * options to avoid problems. Unfortunately, we also have to assume that | |
490 | * argv[0] contains the name of the cupsd executable - there is no portable | |
491 | * way to get the real pathname... | |
a41f09e2 MS |
492 | */ |
493 | ||
108f7505 | 494 | execlp(argv[0], argv[0], "-C", ConfigurationFile, "-s", CupsFilesFile, (char *)0); |
a41f09e2 | 495 | exit(errno); |
ef416fc2 | 496 | } |
497 | ||
e4e37194 MS |
498 | /* |
499 | * Let the system know we are busy while we bring up cupsd... | |
500 | */ | |
501 | ||
502 | cupsdSetBusyState(1); | |
503 | ||
ef416fc2 | 504 | /* |
505 | * Set the timezone info... | |
506 | */ | |
507 | ||
508 | tzset(); | |
509 | ||
510 | #ifdef LC_TIME | |
511 | setlocale(LC_TIME, ""); | |
512 | #endif /* LC_TIME */ | |
513 | ||
0cf0c416 MS |
514 | #ifdef HAVE_DBUS_THREADS_INIT |
515 | /* | |
516 | * Enable threading support for D-BUS... | |
517 | */ | |
518 | ||
e7f455a5 | 519 | dbus_threads_init_default(); |
0cf0c416 MS |
520 | #endif /* HAVE_DBUS_THREADS_INIT */ |
521 | ||
ef416fc2 | 522 | /* |
523 | * Set the maximum number of files... | |
524 | */ | |
525 | ||
526 | getrlimit(RLIMIT_NOFILE, &limit); | |
527 | ||
f7deaa1a | 528 | #if !defined(HAVE_POLL) && !defined(HAVE_EPOLL) && !defined(HAVE_KQUEUE) |
f7faf1f5 | 529 | if (limit.rlim_max > FD_SETSIZE) |
530 | MaxFDs = FD_SETSIZE; | |
ef416fc2 | 531 | else |
f7deaa1a | 532 | #endif /* !HAVE_POLL && !HAVE_EPOLL && !HAVE_KQUEUE */ |
533 | #ifdef RLIM_INFINITY | |
534 | if (limit.rlim_max == RLIM_INFINITY) | |
535 | MaxFDs = 16384; | |
536 | else | |
537 | #endif /* RLIM_INFINITY */ | |
ef416fc2 | 538 | MaxFDs = limit.rlim_max; |
539 | ||
7e86f2f6 | 540 | limit.rlim_cur = (rlim_t)MaxFDs; |
ef416fc2 | 541 | |
542 | setrlimit(RLIMIT_NOFILE, &limit); | |
543 | ||
f7deaa1a | 544 | cupsdStartSelect(); |
ef416fc2 | 545 | |
546 | /* | |
547 | * Read configuration... | |
548 | */ | |
549 | ||
550 | if (!cupsdReadConfiguration()) | |
ef416fc2 | 551 | return (1); |
2e4ff8af MS |
552 | else if (TestConfigFile) |
553 | { | |
cb7f98ee MS |
554 | printf("\"%s\" is OK.\n", CupsFilesFile); |
555 | printf("\"%s\" is OK.\n", ConfigurationFile); | |
2e4ff8af MS |
556 | return (0); |
557 | } | |
2dd94018 MS |
558 | else if (print_profile) |
559 | { | |
560 | cups_file_t *fp; /* File pointer */ | |
561 | const char *profile = cupsdCreateProfile(42, 0); | |
562 | /* Profile */ | |
563 | char line[1024]; /* Line from file */ | |
564 | ||
565 | ||
566 | if ((fp = cupsFileOpen(profile, "r")) == NULL) | |
567 | { | |
568 | printf("Unable to open profile file \"%s\": %s\n", profile ? profile : "(null)", strerror(errno)); | |
569 | return (1); | |
570 | } | |
571 | ||
572 | while (cupsFileGets(fp, line, sizeof(line))) | |
573 | puts(line); | |
574 | ||
575 | cupsFileClose(fp); | |
576 | ||
577 | return (0); | |
578 | } | |
ef416fc2 | 579 | |
ba55dc12 MS |
580 | /* |
581 | * Clean out old temp files and printer cache data. | |
582 | */ | |
cc0d019f | 583 | |
ba55dc12 | 584 | if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot))) |
321d8d57 | 585 | cupsdCleanFiles(TempDir, NULL); |
cc0d019f | 586 | |
321d8d57 | 587 | cupsdCleanFiles(CacheDir, "*.ipp"); |
cc0d019f | 588 | |
03bc3ef4 MS |
589 | /* |
590 | * If we were started on demand by launchd or systemd get the listen sockets | |
591 | * file descriptors... | |
592 | */ | |
a4d04587 | 593 | |
03bc3ef4 MS |
594 | service_checkin(); |
595 | service_checkout(0); | |
a4d04587 | 596 | |
597 | /* | |
598 | * Startup the server... | |
599 | */ | |
600 | ||
6d2f911b MS |
601 | httpInitialize(); |
602 | ||
a4d04587 | 603 | cupsdStartServer(); |
604 | ||
ef416fc2 | 605 | /* |
606 | * Catch hangup and child signals and ignore broken pipes... | |
607 | */ | |
608 | ||
609 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
e1d6a774 | 610 | sigset(SIGCHLD, sigchld_handler); |
4744bd90 | 611 | sigset(SIGHUP, sighup_handler); |
ef416fc2 | 612 | sigset(SIGPIPE, SIG_IGN); |
613 | sigset(SIGTERM, sigterm_handler); | |
614 | #elif defined(HAVE_SIGACTION) | |
615 | memset(&action, 0, sizeof(action)); | |
616 | ||
e1d6a774 | 617 | sigemptyset(&action.sa_mask); |
618 | sigaddset(&action.sa_mask, SIGTERM); | |
619 | sigaddset(&action.sa_mask, SIGCHLD); | |
620 | action.sa_handler = sigchld_handler; | |
621 | sigaction(SIGCHLD, &action, NULL); | |
622 | ||
ef416fc2 | 623 | sigemptyset(&action.sa_mask); |
624 | sigaddset(&action.sa_mask, SIGHUP); | |
4744bd90 | 625 | action.sa_handler = sighup_handler; |
ef416fc2 | 626 | sigaction(SIGHUP, &action, NULL); |
627 | ||
628 | sigemptyset(&action.sa_mask); | |
629 | action.sa_handler = SIG_IGN; | |
630 | sigaction(SIGPIPE, &action, NULL); | |
631 | ||
632 | sigemptyset(&action.sa_mask); | |
633 | sigaddset(&action.sa_mask, SIGTERM); | |
634 | sigaddset(&action.sa_mask, SIGCHLD); | |
635 | action.sa_handler = sigterm_handler; | |
636 | sigaction(SIGTERM, &action, NULL); | |
637 | #else | |
e1d6a774 | 638 | signal(SIGCLD, sigchld_handler); /* No, SIGCLD isn't a typo... */ |
4744bd90 | 639 | signal(SIGHUP, sighup_handler); |
ef416fc2 | 640 | signal(SIGPIPE, SIG_IGN); |
641 | signal(SIGTERM, sigterm_handler); | |
642 | #endif /* HAVE_SIGSET */ | |
643 | ||
ef416fc2 | 644 | /* |
645 | * Initialize authentication certificates... | |
646 | */ | |
647 | ||
648 | cupsdInitCerts(); | |
649 | ||
650 | /* | |
651 | * If we are running in the background, signal the parent process that | |
652 | * we are up and running... | |
653 | */ | |
654 | ||
a41f09e2 | 655 | if (!fg || run_as_child) |
ef416fc2 | 656 | { |
657 | /* | |
658 | * Send a signal to the parent process, but only if the parent is | |
659 | * not PID 1 (init). This avoids accidentally shutting down the | |
660 | * system on OpenBSD if you CTRL-C the server before it is up... | |
661 | */ | |
662 | ||
663 | i = getppid(); /* Save parent PID to avoid race condition */ | |
664 | ||
665 | if (i != 1) | |
666 | kill(i, SIGUSR1); | |
667 | } | |
668 | ||
e1d6a774 | 669 | #ifdef __APPLE__ |
09ec0018 | 670 | /* |
671 | * Start power management framework... | |
672 | */ | |
673 | ||
1340db2d MS |
674 | if (use_sysman) |
675 | cupsdStartSystemMonitor(); | |
e1d6a774 | 676 | #endif /* __APPLE__ */ |
ef416fc2 | 677 | |
49d87452 MS |
678 | /* |
679 | * Send server-started event... | |
680 | */ | |
681 | ||
03bc3ef4 | 682 | #ifdef HAVE_ONDEMAND |
1720786e MS |
683 | if (OnDemand) |
684 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand."); | |
49d87452 | 685 | else |
c187d9ab | 686 | #endif /* HAVE_ONDEMAND */ |
49d87452 | 687 | if (fg) |
1720786e | 688 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in foreground."); |
49d87452 | 689 | else |
1720786e | 690 | cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background."); |
49d87452 | 691 | |
e4e37194 MS |
692 | cupsdSetBusyState(0); |
693 | ||
ef416fc2 | 694 | /* |
695 | * Start any pending print jobs... | |
696 | */ | |
697 | ||
698 | cupsdCheckJobs(); | |
699 | ||
700 | /* | |
701 | * Loop forever... | |
702 | */ | |
703 | ||
50fe7201 | 704 | current_time = time(NULL); |
50fe7201 MS |
705 | event_time = current_time; |
706 | expire_time = current_time; | |
123cfe02 | 707 | local_timeout = 0; |
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 | ||
1166bf58 | 757 | #ifdef HAVE_ONDEMAND |
83d8789d | 758 | if (OnDemand) |
e9a4e9d6 | 759 | { |
f8688d73 | 760 | # ifndef HAVE_SYSTEMD /* Issue #5640: systemd doesn't actually support launch-on-demand services, need to fake it */ |
e9a4e9d6 | 761 | stop_scheduler = 1; |
f8688d73 | 762 | # endif /* HAVE_SYSTEMD */ |
83d8789d | 763 | break; |
e9a4e9d6 | 764 | } |
1166bf58 | 765 | #endif /* HAVE_ONDEMAND */ |
83d8789d | 766 | |
7cf5915e MS |
767 | DoingShutdown = 1; |
768 | ||
a4d04587 | 769 | cupsdStopServer(); |
770 | ||
771 | /* | |
772 | * Read configuration... | |
773 | */ | |
774 | ||
ef416fc2 | 775 | if (!cupsdReadConfiguration()) |
776 | { | |
250bb8a9 | 777 | #ifdef HAVE_SYSTEMD_SD_JOURNAL_H |
a1797929 MS |
778 | sd_journal_print(LOG_ERR, "Unable to read configuration file \"%s\" - exiting.", ConfigurationFile); |
779 | #else | |
780 | syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting.", ConfigurationFile); | |
250bb8a9 | 781 | #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */ |
a1797929 | 782 | |
ef416fc2 | 783 | break; |
784 | } | |
a4d04587 | 785 | |
a4d04587 | 786 | /* |
787 | * Startup the server... | |
788 | */ | |
789 | ||
7cf5915e MS |
790 | DoingShutdown = 0; |
791 | ||
a4d04587 | 792 | cupsdStartServer(); |
49d87452 MS |
793 | |
794 | /* | |
795 | * Send a server-restarted event... | |
796 | */ | |
797 | ||
798 | cupsdAddEvent(CUPSD_EVENT_SERVER_RESTARTED, NULL, NULL, | |
799 | "Scheduler restarted."); | |
ef416fc2 | 800 | } |
801 | } | |
802 | ||
803 | /* | |
f7deaa1a | 804 | * Check for available input or ready output. If cupsdDoSelect() |
805 | * returns 0 or -1, something bad happened and we should exit | |
806 | * immediately. | |
ef416fc2 | 807 | * |
808 | * Note that we at least have one listening socket open at all | |
809 | * times. | |
810 | */ | |
811 | ||
50fe7201 MS |
812 | if ((timeout = select_timeout(fds)) > 1 && LastEvent) |
813 | timeout = 1; | |
ef416fc2 | 814 | |
1166bf58 | 815 | #ifdef HAVE_ONDEMAND |
a4d04587 | 816 | /* |
9fc5c8d4 MS |
817 | * If no other work is scheduled and we're being controlled by launchd, |
818 | * systemd, etc. then timeout after 'IdleExitTimeout' seconds of | |
a4d04587 | 819 | * inactivity... |
820 | */ | |
821 | ||
9bdea94b | 822 | if (timeout == 86400 && OnDemand && IdleExitTimeout && |
0627e869 MS |
823 | # ifdef HAVE_SYSTEMD |
824 | !WebInterface && | |
825 | # endif /* HAVE_SYSTEMD */ | |
9fc5c8d4 | 826 | !cupsArrayCount(ActiveJobs)) |
a4d04587 | 827 | { |
9fc5c8d4 MS |
828 | cupsd_printer_t *p = NULL; /* Current printer */ |
829 | ||
830 | if (Browsing && BrowseLocalProtocols) | |
831 | { | |
832 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
833 | if (p->shared) | |
834 | break; | |
835 | } | |
836 | ||
837 | if (!p) | |
838 | { | |
839 | timeout = IdleExitTimeout; | |
840 | service_idle_exit = 1; | |
841 | } | |
a4d04587 | 842 | } |
843 | else | |
1720786e | 844 | service_idle_exit = 0; |
c187d9ab | 845 | #endif /* HAVE_ONDEMAND */ |
a4d04587 | 846 | |
f7deaa1a | 847 | if ((fds = cupsdDoSelect(timeout)) < 0) |
ef416fc2 | 848 | { |
ef416fc2 | 849 | /* |
850 | * Got an error from select! | |
851 | */ | |
852 | ||
37e7e6e0 | 853 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 854 | cupsd_printer_t *p; /* Current printer */ |
37e7e6e0 | 855 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 856 | |
f7deaa1a | 857 | if (errno == EINTR) /* Just interrupted by a signal */ |
ef416fc2 | 858 | continue; |
859 | ||
860 | /* | |
861 | * Log all sorts of debug info to help track down the problem. | |
862 | */ | |
863 | ||
f7deaa1a | 864 | cupsdLogMessage(CUPSD_LOG_EMERG, "cupsdDoSelect() failed - %s!", |
ef416fc2 | 865 | strerror(errno)); |
866 | ||
bd7854cb | 867 | for (i = 0, con = (cupsd_client_t *)cupsArrayFirst(Clients); |
868 | con; | |
869 | i ++, con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 870 | cupsdLogMessage(CUPSD_LOG_EMERG, |
871 | "Clients[%d] = %d, file = %d, state = %d", | |
996acce8 | 872 | i, con->number, con->file, httpGetState(con->http)); |
ef416fc2 | 873 | |
bd7854cb | 874 | for (i = 0, lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); |
875 | lis; | |
876 | i ++, lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
ef416fc2 | 877 | cupsdLogMessage(CUPSD_LOG_EMERG, "Listeners[%d] = %d", i, lis->fd); |
878 | ||
923edb68 | 879 | cupsdLogMessage(CUPSD_LOG_EMERG, "CGIPipes[0] = %d", CGIPipes[0]); |
880 | ||
09ec0018 | 881 | #ifdef __APPLE__ |
882 | cupsdLogMessage(CUPSD_LOG_EMERG, "SysEventPipes[0] = %d", | |
883 | SysEventPipes[0]); | |
884 | #endif /* __APPLE__ */ | |
885 | ||
ef416fc2 | 886 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
887 | job; | |
888 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
889 | cupsdLogMessage(CUPSD_LOG_EMERG, "Jobs[%d] = %d < [%d %d] > [%d %d]", | |
890 | job->id, | |
891 | job->status_buffer ? job->status_buffer->fd : -1, | |
892 | job->print_pipes[0], job->print_pipes[1], | |
893 | job->back_pipes[0], job->back_pipes[1]); | |
f7deaa1a | 894 | |
37e7e6e0 | 895 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
f7deaa1a | 896 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); |
897 | p; | |
898 | p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
7a14d768 MS |
899 | cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name, |
900 | p->reg_name ? p->reg_name : "(null)"); | |
37e7e6e0 | 901 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
f7deaa1a | 902 | |
ef416fc2 | 903 | break; |
904 | } | |
905 | ||
906 | current_time = time(NULL); | |
907 | ||
3dfe78b3 MS |
908 | /* |
909 | * Write dirty config/state files... | |
910 | */ | |
911 | ||
eb2cb9b0 | 912 | if (DirtyCleanTime && current_time >= DirtyCleanTime) |
3dfe78b3 | 913 | cupsdCleanDirty(); |
3dfe78b3 | 914 | |
e6013cfa MS |
915 | #ifdef __APPLE__ |
916 | /* | |
917 | * If we are going to sleep and still have pending jobs, stop them after | |
918 | * a period of time... | |
919 | */ | |
920 | ||
921 | if (SleepJobs > 0 && current_time >= SleepJobs && | |
922 | cupsArrayCount(PrintingJobs) > 0) | |
923 | { | |
924 | SleepJobs = 0; | |
e60ec91f | 925 | cupsdStopAllJobs(CUPSD_JOB_DEFAULT, 5); |
e6013cfa MS |
926 | } |
927 | #endif /* __APPLE__ */ | |
928 | ||
a4924f6c MS |
929 | #ifndef __APPLE__ |
930 | /* | |
931 | * Update the network interfaces once a minute... | |
932 | */ | |
933 | ||
934 | if ((current_time - netif_time) >= 60) | |
935 | { | |
936 | netif_time = current_time; | |
937 | NetIFUpdate = 1; | |
938 | } | |
939 | #endif /* !__APPLE__ */ | |
940 | ||
1166bf58 | 941 | #ifdef HAVE_ONDEMAND |
a4d04587 | 942 | /* |
1166bf58 MS |
943 | * If no other work was scheduled and we're being controlled by launchd, |
944 | * systemd, or upstart then timeout after 'LaunchdTimeout' seconds of | |
945 | * inactivity... | |
a4d04587 | 946 | */ |
947 | ||
1720786e | 948 | if (!fds && service_idle_exit) |
a4d04587 | 949 | { |
950 | cupsdLogMessage(CUPSD_LOG_INFO, | |
951 | "Printer sharing is off and there are no jobs pending, " | |
952 | "will restart on demand."); | |
953 | stop_scheduler = 1; | |
954 | break; | |
955 | } | |
c187d9ab | 956 | #endif /* HAVE_ONDEMAND */ |
a4d04587 | 957 | |
76cd9e37 MS |
958 | /* |
959 | * Resume listening for new connections as needed... | |
960 | */ | |
961 | ||
962 | if (ListeningPaused && ListeningPaused <= current_time && | |
963 | cupsArrayCount(Clients) < MaxClients) | |
964 | cupsdResumeListening(); | |
965 | ||
ef416fc2 | 966 | /* |
bd7854cb | 967 | * Expire subscriptions and unload completed jobs as needed... |
ef416fc2 | 968 | */ |
969 | ||
bd7854cb | 970 | if (current_time > expire_time) |
ef416fc2 | 971 | { |
47b3bd03 | 972 | cupsdExpireSubscriptions(NULL, NULL); |
bd7854cb | 973 | |
974 | cupsdUnloadCompletedJobs(); | |
ef416fc2 | 975 | |
976 | expire_time = current_time; | |
977 | } | |
978 | ||
e1bb4a6e MS |
979 | /* |
980 | * Delete stale local printers... | |
981 | */ | |
982 | ||
983 | if (current_time >= local_timeout) | |
123cfe02 | 984 | { |
e1bb4a6e | 985 | cupsdDeleteTemporaryPrinters(0); |
123cfe02 MS |
986 | local_timeout = 0; |
987 | } | |
e1bb4a6e | 988 | |
07ed0e9a | 989 | #ifndef HAVE_AUTHORIZATION_H |
ef416fc2 | 990 | /* |
f7deaa1a | 991 | * Update the root certificate once every 5 minutes if we have client |
992 | * connections... | |
ef416fc2 | 993 | */ |
994 | ||
f7deaa1a | 995 | if ((current_time - RootCertTime) >= RootCertDuration && RootCertDuration && |
996 | !RunUser && cupsArrayCount(Clients)) | |
997 | { | |
998 | /* | |
999 | * Update the root certificate... | |
1000 | */ | |
1001 | ||
1002 | cupsdDeleteCert(0); | |
0fa6c7fa | 1003 | cupsdAddCert(0, "root", cupsdDefaultAuthType()); |
f7deaa1a | 1004 | } |
07ed0e9a | 1005 | #endif /* !HAVE_AUTHORIZATION_H */ |
ef416fc2 | 1006 | |
9bdea94b MS |
1007 | /* |
1008 | * Clean job history... | |
1009 | */ | |
1010 | ||
1011 | if (JobHistoryUpdate && current_time >= JobHistoryUpdate) | |
1012 | cupsdCleanJobs(); | |
1013 | ||
1014 | /* | |
1015 | * Update any pending multi-file documents... | |
1016 | */ | |
1017 | ||
1018 | if ((current_time - senddoc_time) >= 10) | |
1019 | { | |
1020 | cupsdCheckJobs(); | |
1021 | senddoc_time = current_time; | |
1022 | } | |
1023 | ||
ef416fc2 | 1024 | /* |
1025 | * Check for new data on the client sockets... | |
1026 | */ | |
1027 | ||
bd7854cb | 1028 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1029 | con; | |
1030 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
ef416fc2 | 1031 | { |
1032 | /* | |
f7deaa1a | 1033 | * Process pending data in the input buffer... |
ef416fc2 | 1034 | */ |
1035 | ||
1720786e | 1036 | if (httpGetReady(con->http)) |
ef416fc2 | 1037 | { |
f7deaa1a | 1038 | cupsdReadClient(con); |
1039 | continue; | |
ef416fc2 | 1040 | } |
1041 | ||
1042 | /* | |
1043 | * Check the activity and close old clients... | |
1044 | */ | |
1045 | ||
1046 | activity = current_time - Timeout; | |
1720786e | 1047 | if (httpGetActivity(con->http) < activity && !con->pipe_pid) |
ef416fc2 | 1048 | { |
1720786e | 1049 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout); |
ef416fc2 | 1050 | |
1051 | cupsdCloseClient(con); | |
ef416fc2 | 1052 | continue; |
1053 | } | |
1054 | } | |
1055 | ||
ef416fc2 | 1056 | /* |
5bd77a73 | 1057 | * Log statistics at most once a minute when in debug mode... |
ef416fc2 | 1058 | */ |
1059 | ||
5bd77a73 | 1060 | if ((current_time - report_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 1061 | { |
5bd77a73 MS |
1062 | size_t string_count, /* String count */ |
1063 | alloc_bytes, /* Allocated string bytes */ | |
1064 | total_bytes; /* Total string bytes */ | |
4400e98d | 1065 | #ifdef HAVE_MALLINFO |
5bd77a73 | 1066 | struct mallinfo mem; /* Malloc information */ |
ef416fc2 | 1067 | |
1068 | ||
1069 | mem = mallinfo(); | |
5bd77a73 MS |
1070 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-arena=%lu", mem.arena); |
1071 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-used=%lu", | |
1072 | mem.usmblks + mem.uordblks); | |
1073 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-free=%lu", | |
ef416fc2 | 1074 | mem.fsmblks + mem.fordblks); |
4400e98d | 1075 | #endif /* HAVE_MALLINFO */ |
1076 | ||
5bd77a73 MS |
1077 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: clients=%d", |
1078 | cupsArrayCount(Clients)); | |
1079 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs=%d", | |
1080 | cupsArrayCount(Jobs)); | |
1081 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs-active=%d", | |
1082 | cupsArrayCount(ActiveJobs)); | |
1083 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers=%d", | |
1084 | cupsArrayCount(Printers)); | |
5bd77a73 | 1085 | |
757d2cad | 1086 | string_count = _cupsStrStatistics(&alloc_bytes, &total_bytes); |
5bd77a73 MS |
1087 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
1088 | "Report: stringpool-string-count=" CUPS_LLFMT, | |
1089 | CUPS_LLCAST string_count); | |
1090 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1091 | "Report: stringpool-alloc-bytes=" CUPS_LLFMT, | |
1092 | CUPS_LLCAST alloc_bytes); | |
1093 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1094 | "Report: stringpool-total-bytes=" CUPS_LLFMT, | |
4400e98d | 1095 | CUPS_LLCAST total_bytes); |
1096 | ||
5bd77a73 | 1097 | report_time = current_time; |
ef416fc2 | 1098 | } |
ef416fc2 | 1099 | |
fa73b229 | 1100 | /* |
1101 | * Handle OS-specific event notification for any events that have | |
1102 | * accumulated. Don't send these more than once a second... | |
1103 | */ | |
1104 | ||
50fe7201 | 1105 | if (LastEvent && (current_time - event_time) >= 1) |
fa73b229 | 1106 | { |
1107 | #ifdef HAVE_NOTIFY_POST | |
a41f09e2 MS |
1108 | if (LastEvent & (CUPSD_EVENT_PRINTER_ADDED | |
1109 | CUPSD_EVENT_PRINTER_DELETED | | |
1110 | CUPSD_EVENT_PRINTER_MODIFIED)) | |
fa73b229 | 1111 | { |
e00b005a | 1112 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1113 | "notify_post(\"com.apple.printerListChange\")"); |
1114 | notify_post("com.apple.printerListChange"); | |
1115 | } | |
1116 | ||
1117 | if (LastEvent & CUPSD_EVENT_PRINTER_STATE_CHANGED) | |
1118 | { | |
e00b005a | 1119 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1120 | "notify_post(\"com.apple.printerHistoryChange\")"); |
1121 | notify_post("com.apple.printerHistoryChange"); | |
1122 | } | |
1123 | ||
1124 | if (LastEvent & (CUPSD_EVENT_JOB_STATE_CHANGED | | |
1125 | CUPSD_EVENT_JOB_CONFIG_CHANGED | | |
1126 | CUPSD_EVENT_JOB_PROGRESS)) | |
1127 | { | |
e00b005a | 1128 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
fa73b229 | 1129 | "notify_post(\"com.apple.jobChange\")"); |
1130 | notify_post("com.apple.jobChange"); | |
1131 | } | |
1132 | #endif /* HAVE_NOTIFY_POST */ | |
1133 | ||
1134 | /* | |
e53920b9 | 1135 | * Reset the accumulated events... |
fa73b229 | 1136 | */ |
1137 | ||
50fe7201 MS |
1138 | LastEvent = CUPSD_EVENT_NONE; |
1139 | event_time = current_time; | |
fa73b229 | 1140 | } |
ef416fc2 | 1141 | } |
1142 | ||
1143 | /* | |
1144 | * Log a message based on what happened... | |
1145 | */ | |
1146 | ||
1147 | if (stop_scheduler) | |
49d87452 | 1148 | { |
ef416fc2 | 1149 | cupsdLogMessage(CUPSD_LOG_INFO, "Scheduler shutting down normally."); |
49d87452 MS |
1150 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1151 | "Scheduler shutting down normally."); | |
1152 | } | |
ef416fc2 | 1153 | else |
49d87452 | 1154 | { |
ef416fc2 | 1155 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1156 | "Scheduler shutting down due to program error."); | |
49d87452 MS |
1157 | cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL, |
1158 | "Scheduler shutting down due to program error."); | |
1159 | } | |
ef416fc2 | 1160 | |
1161 | /* | |
7ff4fea9 | 1162 | * Close all network clients... |
ef416fc2 | 1163 | */ |
1164 | ||
7cf5915e MS |
1165 | DoingShutdown = 1; |
1166 | ||
ef416fc2 | 1167 | cupsdStopServer(); |
1168 | ||
7ff4fea9 | 1169 | /* |
03bc3ef4 | 1170 | * Update the KeepAlive/PID file as needed... |
7ff4fea9 MS |
1171 | */ |
1172 | ||
03bc3ef4 | 1173 | service_checkout(1); |
7ff4fea9 MS |
1174 | |
1175 | /* | |
1176 | * Stop all jobs... | |
1177 | */ | |
1178 | ||
bd7854cb | 1179 | cupsdFreeAllJobs(); |
ef416fc2 | 1180 | |
b4974142 MS |
1181 | /* |
1182 | * Delete all temporary printers... | |
1183 | */ | |
1184 | ||
1185 | cupsdDeleteTemporaryPrinters(1); | |
1186 | ||
e1d6a774 | 1187 | #ifdef __APPLE__ |
7ff4fea9 MS |
1188 | /* |
1189 | * Stop monitoring system event monitoring... | |
1190 | */ | |
1191 | ||
1340db2d MS |
1192 | if (use_sysman) |
1193 | cupsdStopSystemMonitor(); | |
e1d6a774 | 1194 | #endif /* __APPLE__ */ |
09ec0018 | 1195 | |
f7deaa1a | 1196 | cupsdStopSelect(); |
ef416fc2 | 1197 | |
1198 | return (!stop_scheduler); | |
1199 | } | |
1200 | ||
1201 | ||
10d09e33 MS |
1202 | /* |
1203 | * 'cupsdAddString()' - Copy and add a string to an array. | |
1204 | */ | |
1205 | ||
1206 | int /* O - 1 on success, 0 on failure */ | |
1207 | cupsdAddString(cups_array_t **a, /* IO - String array */ | |
1208 | const char *s) /* I - String to copy and add */ | |
1209 | { | |
1210 | if (!*a) | |
1211 | *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL, | |
1212 | (cups_ahash_func_t)NULL, 0, | |
5e6c3df7 MS |
1213 | (cups_acopy_func_t)strdup, |
1214 | (cups_afree_func_t)free); | |
10d09e33 MS |
1215 | |
1216 | return (cupsArrayAdd(*a, (char *)s)); | |
1217 | } | |
1218 | ||
1219 | ||
d7871c8c MS |
1220 | /* |
1221 | * 'cupsdCheckProcess()' - Tell the main loop to check for dead children. | |
1222 | */ | |
1223 | ||
1224 | void | |
1225 | cupsdCheckProcess(void) | |
1226 | { | |
1227 | /* | |
1228 | * Flag that we have dead children... | |
1229 | */ | |
1230 | ||
1231 | dead_children = 1; | |
1232 | } | |
1233 | ||
1234 | ||
10d09e33 MS |
1235 | /* |
1236 | * 'cupsdClearString()' - Clear a string. | |
1237 | */ | |
1238 | ||
1239 | void | |
1240 | cupsdClearString(char **s) /* O - String value */ | |
1241 | { | |
1242 | if (s && *s) | |
1243 | { | |
5e6c3df7 | 1244 | free(*s); |
10d09e33 MS |
1245 | *s = NULL; |
1246 | } | |
1247 | } | |
1248 | ||
1249 | ||
10d09e33 MS |
1250 | /* |
1251 | * 'cupsdFreeStrings()' - Free an array of strings. | |
1252 | */ | |
1253 | ||
1254 | void | |
1255 | cupsdFreeStrings(cups_array_t **a) /* IO - String array */ | |
1256 | { | |
1257 | if (*a) | |
1258 | { | |
1259 | cupsArrayDelete(*a); | |
1260 | *a = NULL; | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | ||
1265 | /* | |
1266 | * 'cupsdHoldSignals()' - Hold child and termination signals. | |
1267 | */ | |
1268 | ||
1269 | void | |
1270 | cupsdHoldSignals(void) | |
1271 | { | |
1272 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
1273 | sigset_t newmask; /* New POSIX signal mask */ | |
1274 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
1275 | ||
1276 | ||
1277 | holdcount ++; | |
1278 | if (holdcount > 1) | |
1279 | return; | |
1280 | ||
1281 | #ifdef HAVE_SIGSET | |
1282 | sighold(SIGTERM); | |
1283 | sighold(SIGCHLD); | |
1284 | #elif defined(HAVE_SIGACTION) | |
1285 | sigemptyset(&newmask); | |
1286 | sigaddset(&newmask, SIGTERM); | |
1287 | sigaddset(&newmask, SIGCHLD); | |
1288 | sigprocmask(SIG_BLOCK, &newmask, &holdmask); | |
1289 | #endif /* HAVE_SIGSET */ | |
1290 | } | |
1291 | ||
1292 | ||
ef416fc2 | 1293 | /* |
1294 | * 'cupsdReleaseSignals()' - Release signals for delivery. | |
1295 | */ | |
1296 | ||
1297 | void | |
1298 | cupsdReleaseSignals(void) | |
1299 | { | |
1300 | holdcount --; | |
1301 | if (holdcount > 0) | |
1302 | return; | |
1303 | ||
1304 | #ifdef HAVE_SIGSET | |
1305 | sigrelse(SIGTERM); | |
1306 | sigrelse(SIGCHLD); | |
1307 | #elif defined(HAVE_SIGACTION) | |
1308 | sigprocmask(SIG_SETMASK, &holdmask, NULL); | |
1309 | #endif /* HAVE_SIGSET */ | |
1310 | } | |
1311 | ||
1312 | ||
1313 | /* | |
1314 | * 'cupsdSetString()' - Set a string value. | |
1315 | */ | |
1316 | ||
1317 | void | |
1318 | cupsdSetString(char **s, /* O - New string */ | |
1319 | const char *v) /* I - String value */ | |
1320 | { | |
1321 | if (!s || *s == v) | |
1322 | return; | |
1323 | ||
1324 | if (*s) | |
5e6c3df7 | 1325 | free(*s); |
ef416fc2 | 1326 | |
1327 | if (v) | |
5e6c3df7 | 1328 | *s = strdup(v); |
ef416fc2 | 1329 | else |
1330 | *s = NULL; | |
1331 | } | |
1332 | ||
1333 | ||
1334 | /* | |
1335 | * 'cupsdSetStringf()' - Set a formatted string value. | |
1336 | */ | |
1337 | ||
1338 | void | |
1339 | cupsdSetStringf(char **s, /* O - New string */ | |
1340 | const char *f, /* I - Printf-style format string */ | |
1341 | ...) /* I - Additional args as needed */ | |
1342 | { | |
94436c5a | 1343 | char v[65536 + 64]; /* Formatting string value */ |
ef416fc2 | 1344 | va_list ap; /* Argument pointer */ |
1345 | char *olds; /* Old string */ | |
1346 | ||
1347 | ||
1348 | if (!s) | |
1349 | return; | |
1350 | ||
1351 | olds = *s; | |
1352 | ||
1353 | if (f) | |
1354 | { | |
1355 | va_start(ap, f); | |
1356 | vsnprintf(v, sizeof(v), f, ap); | |
1357 | va_end(ap); | |
1358 | ||
5e6c3df7 | 1359 | *s = strdup(v); |
ef416fc2 | 1360 | } |
1361 | else | |
1362 | *s = NULL; | |
1363 | ||
1364 | if (olds) | |
5e6c3df7 | 1365 | free(olds); |
ef416fc2 | 1366 | } |
1367 | ||
1368 | ||
1369 | /* | |
1370 | * 'parent_handler()' - Catch USR1/CHLD signals... | |
1371 | */ | |
1372 | ||
1373 | static void | |
1374 | parent_handler(int sig) /* I - Signal */ | |
1375 | { | |
1376 | /* | |
1377 | * Store the signal we got from the OS and return... | |
1378 | */ | |
1379 | ||
1380 | parent_signal = sig; | |
1381 | } | |
1382 | ||
1383 | ||
1384 | /* | |
1385 | * 'process_children()' - Process all dead children... | |
1386 | */ | |
1387 | ||
1388 | static void | |
1389 | process_children(void) | |
1390 | { | |
1391 | int status; /* Exit status of child */ | |
b9faaae1 MS |
1392 | int pid, /* Process ID of child */ |
1393 | job_id; /* Job ID of child */ | |
ef416fc2 | 1394 | cupsd_job_t *job; /* Current job */ |
1395 | int i; /* Looping var */ | |
e00b005a | 1396 | char name[1024]; /* Process name */ |
dcb445bc | 1397 | const char *type; /* Type of program */ |
ef416fc2 | 1398 | |
1399 | ||
1400 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()"); | |
1401 | ||
1402 | /* | |
1403 | * Reset the dead_children flag... | |
1404 | */ | |
1405 | ||
1406 | dead_children = 0; | |
1407 | ||
1408 | /* | |
1409 | * Collect the exit status of some children... | |
1410 | */ | |
1411 | ||
1412 | #ifdef HAVE_WAITPID | |
1413 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0) | |
1414 | #elif defined(HAVE_WAIT3) | |
1415 | while ((pid = wait3(&status, WNOHANG, NULL)) > 0) | |
1416 | #else | |
1417 | if ((pid = wait(&status)) > 0) | |
1418 | #endif /* HAVE_WAITPID */ | |
1419 | { | |
ef416fc2 | 1420 | /* |
745129be | 1421 | * Collect the name of the process that finished... |
ef416fc2 | 1422 | */ |
1423 | ||
b9faaae1 | 1424 | cupsdFinishProcess(pid, name, sizeof(name), &job_id); |
e00b005a | 1425 | |
ef416fc2 | 1426 | /* |
1427 | * Delete certificates for CGI processes... | |
1428 | */ | |
1429 | ||
1430 | if (pid) | |
1431 | cupsdDeleteCert(pid); | |
1432 | ||
1433 | /* | |
b9faaae1 | 1434 | * Handle completed job filters... |
ef416fc2 | 1435 | */ |
1436 | ||
dcb445bc MS |
1437 | if (job_id > 0) |
1438 | job = cupsdFindJob(job_id); | |
1439 | else | |
1440 | job = NULL; | |
1441 | ||
1442 | if (job) | |
b9faaae1 MS |
1443 | { |
1444 | for (i = 0; job->filters[i]; i ++) | |
1445 | if (job->filters[i] == pid) | |
1446 | break; | |
1447 | ||
1448 | if (job->filters[i] || job->backend == pid) | |
ef416fc2 | 1449 | { |
b9faaae1 MS |
1450 | /* |
1451 | * OK, this process has gone away; what's left? | |
1452 | */ | |
1453 | ||
1454 | if (job->filters[i]) | |
dcb445bc | 1455 | { |
b9faaae1 | 1456 | job->filters[i] = -pid; |
dcb445bc MS |
1457 | type = "Filter"; |
1458 | } | |
b9faaae1 | 1459 | else |
dcb445bc | 1460 | { |
b9faaae1 | 1461 | job->backend = -pid; |
dcb445bc MS |
1462 | type = "Backend"; |
1463 | } | |
ef416fc2 | 1464 | |
b9faaae1 | 1465 | if (status && status != SIGTERM && status != SIGKILL && |
f3c17241 | 1466 | status != SIGPIPE) |
ef416fc2 | 1467 | { |
1468 | /* | |
b9faaae1 MS |
1469 | * An error occurred; save the exit status so we know to stop |
1470 | * the printer or cancel the job when all of the filters finish... | |
1471 | * | |
1472 | * A negative status indicates that the backend failed and the | |
1473 | * printer needs to be stopped. | |
f3c17241 MS |
1474 | * |
1475 | * In order to preserve the most serious status, we always log | |
1476 | * when a process dies due to a signal (e.g. SIGABRT, SIGSEGV, | |
1477 | * and SIGBUS) and prefer to log the backend exit status over a | |
1478 | * filter's. | |
ef416fc2 | 1479 | */ |
1480 | ||
f3c17241 MS |
1481 | int old_status = abs(job->status); |
1482 | ||
1483 | if (WIFSIGNALED(status) || /* This process crashed, or */ | |
1484 | !job->status || /* No process had a status, or */ | |
1485 | (!job->filters[i] && WIFEXITED(old_status))) | |
1486 | { /* Backend and filter didn't crash */ | |
1487 | if (job->filters[i]) | |
72a21348 | 1488 | { |
f3c17241 | 1489 | job->status = status; /* Filter failed */ |
72a21348 | 1490 | } |
f3c17241 | 1491 | else |
72a21348 | 1492 | { |
f3c17241 | 1493 | job->status = -status; /* Backend failed */ |
72a21348 MS |
1494 | |
1495 | if (job->current_file < job->num_files) | |
1496 | cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_FORCE, "Canceling multi-file job due to backend failure."); | |
1497 | } | |
f3c17241 | 1498 | } |
ef416fc2 | 1499 | |
f11a948a | 1500 | if (job->state_value == IPP_JOB_PROCESSING && |
dcb445bc MS |
1501 | job->status_level > CUPSD_LOG_ERROR && |
1502 | (job->filters[i] || !WIFEXITED(status))) | |
ef416fc2 | 1503 | { |
f11a948a MS |
1504 | char message[1024]; /* New printer-state-message */ |
1505 | ||
1506 | ||
b9faaae1 | 1507 | job->status_level = CUPSD_LOG_ERROR; |
ef416fc2 | 1508 | |
dcb445bc | 1509 | snprintf(message, sizeof(message), "%s failed", type); |
f11a948a | 1510 | |
e07d4801 MS |
1511 | if (job->printer) |
1512 | { | |
f11a948a MS |
1513 | strlcpy(job->printer->state_message, message, |
1514 | sizeof(job->printer->state_message)); | |
e07d4801 MS |
1515 | } |
1516 | ||
1517 | if (!job->attrs) | |
1518 | cupsdLoadJob(job); | |
e00b005a | 1519 | |
e07d4801 | 1520 | if (!job->printer_message && job->attrs) |
e00b005a | 1521 | { |
b9faaae1 MS |
1522 | if ((job->printer_message = |
1523 | ippFindAttribute(job->attrs, "job-printer-state-message", | |
1524 | IPP_TAG_TEXT)) == NULL) | |
1525 | job->printer_message = ippAddString(job->attrs, IPP_TAG_JOB, | |
1526 | IPP_TAG_TEXT, | |
1527 | "job-printer-state-message", | |
5a662dc0 | 1528 | NULL, NULL); |
e00b005a | 1529 | } |
b9faaae1 | 1530 | |
e07d4801 | 1531 | if (job->printer_message) |
5e6c3df7 | 1532 | ippSetString(job->attrs, &job->printer_message, 0, message); |
ef416fc2 | 1533 | } |
b9faaae1 | 1534 | } |
ef416fc2 | 1535 | |
b9faaae1 MS |
1536 | /* |
1537 | * If this is not the last file in a job, see if all of the | |
1538 | * filters are done, and if so move to the next file. | |
1539 | */ | |
ef416fc2 | 1540 | |
5a4c3fcf MS |
1541 | if (job->state_value >= IPP_JOB_CANCELED) |
1542 | { | |
1543 | /* | |
1544 | * Remove the job from the active list if there are no processes still | |
1545 | * running for it... | |
1546 | */ | |
1547 | ||
1548 | for (i = 0; job->filters[i] < 0; i++); | |
1549 | ||
1550 | if (!job->filters[i] && job->backend <= 0) | |
1551 | cupsArrayRemove(ActiveJobs, job); | |
1552 | } | |
1553 | else if (job->current_file < job->num_files && job->printer) | |
b9faaae1 MS |
1554 | { |
1555 | for (i = 0; job->filters[i] < 0; i ++); | |
ef416fc2 | 1556 | |
82f97232 MS |
1557 | if (!job->filters[i] && |
1558 | (!job->printer->pc || !job->printer->pc->single_file || | |
1559 | job->backend <= 0)) | |
b9faaae1 MS |
1560 | { |
1561 | /* | |
1562 | * Process the next file... | |
1563 | */ | |
ef416fc2 | 1564 | |
b9faaae1 | 1565 | cupsdContinueJob(job); |
ef416fc2 | 1566 | } |
ef416fc2 | 1567 | } |
1568 | } | |
b9faaae1 | 1569 | } |
3dfe78b3 MS |
1570 | |
1571 | /* | |
745129be MS |
1572 | * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors |
1573 | * since they come when we kill/end a process... | |
3dfe78b3 MS |
1574 | */ |
1575 | ||
745129be MS |
1576 | if (status == SIGTERM || status == SIGKILL) |
1577 | { | |
dcb445bc MS |
1578 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1579 | "PID %d (%s) was terminated normally with signal %d.", pid, | |
1580 | name, status); | |
745129be | 1581 | } |
5a6b583a MS |
1582 | else if (status == SIGPIPE) |
1583 | { | |
dcb445bc MS |
1584 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1585 | "PID %d (%s) did not catch or ignore signal %d.", pid, name, | |
1586 | status); | |
5a6b583a | 1587 | } |
745129be | 1588 | else if (status) |
3dfe78b3 MS |
1589 | { |
1590 | if (WIFEXITED(status)) | |
88f9aafc MS |
1591 | { |
1592 | int code = WEXITSTATUS(status); /* Exit code */ | |
1593 | ||
1594 | if (code > 100) | |
dcb445bc MS |
1595 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1596 | "PID %d (%s) stopped with status %d (%s)", pid, name, | |
1597 | code, strerror(code - 100)); | |
88f9aafc | 1598 | else |
dcb445bc MS |
1599 | cupsdLogJob(job, CUPSD_LOG_DEBUG, |
1600 | "PID %d (%s) stopped with status %d.", pid, name, code); | |
88f9aafc | 1601 | } |
3dfe78b3 | 1602 | else |
dcb445bc MS |
1603 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) crashed on signal %d.", |
1604 | pid, name, WTERMSIG(status)); | |
3dfe78b3 MS |
1605 | |
1606 | if (LogLevel < CUPSD_LOG_DEBUG) | |
dcb445bc MS |
1607 | cupsdLogJob(job, CUPSD_LOG_INFO, |
1608 | "Hint: Try setting the LogLevel to \"debug\" to find out " | |
1609 | "more."); | |
3dfe78b3 MS |
1610 | } |
1611 | else | |
dcb445bc MS |
1612 | cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.", |
1613 | pid, name); | |
ef416fc2 | 1614 | } |
dfd5680b MS |
1615 | |
1616 | /* | |
1617 | * If wait*() is interrupted by a signal, tell main() to call us again... | |
1618 | */ | |
1619 | ||
1620 | if (pid < 0 && errno == EINTR) | |
1621 | dead_children = 1; | |
ef416fc2 | 1622 | } |
1623 | ||
1624 | ||
ef416fc2 | 1625 | /* |
1626 | * 'select_timeout()' - Calculate the select timeout value. | |
1627 | * | |
1628 | */ | |
1629 | ||
1630 | static long /* O - Number of seconds */ | |
bd7854cb | 1631 | select_timeout(int fds) /* I - Number of descriptors returned */ |
ef416fc2 | 1632 | { |
ef416fc2 | 1633 | long timeout; /* Timeout for select */ |
1634 | time_t now; /* Current time */ | |
1635 | cupsd_client_t *con; /* Client information */ | |
ef416fc2 | 1636 | cupsd_job_t *job; /* Job information */ |
ef416fc2 | 1637 | const char *why; /* Debugging aid */ |
1638 | ||
1639 | ||
82cc1f9a MS |
1640 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout: JobHistoryUpdate=%ld", |
1641 | (long)JobHistoryUpdate); | |
1642 | ||
ef416fc2 | 1643 | /* |
1644 | * Check to see if any of the clients have pending data to be | |
1645 | * processed; if so, the timeout should be 0... | |
1646 | */ | |
1647 | ||
bd7854cb | 1648 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1649 | con; | |
1650 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1651 | if (httpGetReady(con->http)) |
ef416fc2 | 1652 | return (0); |
1653 | ||
1654 | /* | |
f7deaa1a | 1655 | * If select has been active in the last second (fds > 0) or we have |
ef416fc2 | 1656 | * many resources in use then don't bother trying to optimize the |
1657 | * timeout, just make it 1 second. | |
1658 | */ | |
1659 | ||
f7deaa1a | 1660 | if (fds > 0 || cupsArrayCount(Clients) > 50) |
ef416fc2 | 1661 | return (1); |
1662 | ||
1663 | /* | |
1664 | * Otherwise, check all of the possible events that we need to wake for... | |
1665 | */ | |
1666 | ||
1667 | now = time(NULL); | |
1668 | timeout = now + 86400; /* 86400 == 1 day */ | |
1669 | why = "do nothing"; | |
1670 | ||
e6013cfa MS |
1671 | #ifdef __APPLE__ |
1672 | /* | |
b4974142 | 1673 | * When going to sleep, wake up to abort jobs that don't complete in time. |
e6013cfa MS |
1674 | */ |
1675 | ||
1676 | if (SleepJobs > 0 && SleepJobs < timeout) | |
1677 | { | |
1678 | timeout = SleepJobs; | |
b4974142 | 1679 | why = "abort jobs before sleeping"; |
e6013cfa MS |
1680 | } |
1681 | #endif /* __APPLE__ */ | |
1682 | ||
76cd9e37 MS |
1683 | /* |
1684 | * Check whether we are accepting new connections... | |
1685 | */ | |
1686 | ||
1687 | if (ListeningPaused > 0 && cupsArrayCount(Clients) < MaxClients && | |
1688 | ListeningPaused < timeout) | |
1689 | { | |
1690 | if (ListeningPaused <= now) | |
1691 | timeout = now; | |
1692 | else | |
1693 | timeout = ListeningPaused; | |
1694 | ||
1695 | why = "resume listening"; | |
1696 | } | |
1697 | ||
ef416fc2 | 1698 | /* |
1699 | * Check the activity and close old clients... | |
1700 | */ | |
1701 | ||
bd7854cb | 1702 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
1703 | con; | |
1704 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
1720786e | 1705 | if ((httpGetActivity(con->http) + Timeout) < timeout) |
ef416fc2 | 1706 | { |
1720786e | 1707 | timeout = httpGetActivity(con->http) + Timeout; |
ef416fc2 | 1708 | why = "timeout a client connection"; |
1709 | } | |
1710 | ||
3dfe78b3 | 1711 | /* |
bf3816c7 | 1712 | * Write out changes to configuration and state files... |
3dfe78b3 MS |
1713 | */ |
1714 | ||
1715 | if (DirtyCleanTime && timeout > DirtyCleanTime) | |
1716 | { | |
1717 | timeout = DirtyCleanTime; | |
1718 | why = "write dirty config/state files"; | |
1719 | } | |
1720 | ||
ef416fc2 | 1721 | /* |
82cc1f9a | 1722 | * Check for any job activity... |
ef416fc2 | 1723 | */ |
1724 | ||
238c3832 MS |
1725 | for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs); |
1726 | job; | |
1727 | job = (cupsd_job_t *)cupsArrayNext(ActiveJobs)) | |
ef416fc2 | 1728 | { |
82cc1f9a MS |
1729 | if (job->cancel_time && job->cancel_time < timeout) |
1730 | { | |
1731 | timeout = job->cancel_time; | |
1732 | why = "cancel stuck jobs"; | |
1733 | } | |
1734 | ||
238c3832 MS |
1735 | if (job->kill_time && job->kill_time < timeout) |
1736 | { | |
1737 | timeout = job->kill_time; | |
1738 | why = "kill unresponsive jobs"; | |
1739 | } | |
82cc1f9a MS |
1740 | |
1741 | if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout) | |
238c3832 MS |
1742 | { |
1743 | timeout = job->hold_until; | |
1744 | why = "release held jobs"; | |
1745 | } | |
82cc1f9a MS |
1746 | |
1747 | if (job->state_value == IPP_JOB_PENDING && timeout > (now + 10)) | |
238c3832 MS |
1748 | { |
1749 | timeout = now + 10; | |
1750 | why = "start pending jobs"; | |
1751 | break; | |
1752 | } | |
ef416fc2 | 1753 | } |
1754 | ||
ef416fc2 | 1755 | /* |
dcb445bc MS |
1756 | * Adjust from absolute to relative time. We add 1 second to the timeout since |
1757 | * events occur after the timeout expires, and limit the timeout to 86400 | |
1758 | * seconds (1 day) to avoid select() timeout limits present on some operating | |
ef416fc2 | 1759 | * systems... |
1760 | */ | |
1761 | ||
1762 | timeout = timeout - now + 1; | |
1763 | ||
1764 | if (timeout < 1) | |
1765 | timeout = 1; | |
1766 | else if (timeout > 86400) | |
1767 | timeout = 86400; | |
1768 | ||
1769 | /* | |
1770 | * Log and return the timeout value... | |
1771 | */ | |
1772 | ||
f7deaa1a | 1773 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout(%d): %ld seconds to %s", |
1774 | fds, timeout, why); | |
ef416fc2 | 1775 | |
1776 | return (timeout); | |
1777 | } | |
1778 | ||
1779 | ||
e6013cfa MS |
1780 | /* |
1781 | * 'sigchld_handler()' - Handle 'child' signals from old processes. | |
1782 | */ | |
1783 | ||
1784 | static void | |
1785 | sigchld_handler(int sig) /* I - Signal number */ | |
1786 | { | |
1787 | (void)sig; | |
1788 | ||
1789 | /* | |
1790 | * Flag that we have dead children... | |
1791 | */ | |
1792 | ||
1793 | dead_children = 1; | |
1794 | ||
1795 | /* | |
1796 | * Reset the signal handler as needed... | |
1797 | */ | |
1798 | ||
1799 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1800 | signal(SIGCLD, sigchld_handler); | |
1801 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1802 | } | |
1803 | ||
1804 | ||
1805 | /* | |
1806 | * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler. | |
1807 | */ | |
1808 | ||
1809 | static void | |
1810 | sighup_handler(int sig) /* I - Signal number */ | |
1811 | { | |
1812 | (void)sig; | |
1813 | ||
1814 | NeedReload = RELOAD_ALL; | |
1815 | ReloadTime = time(NULL); | |
1816 | ||
1817 | #if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION) | |
1818 | signal(SIGHUP, sighup_handler); | |
1819 | #endif /* !HAVE_SIGSET && !HAVE_SIGACTION */ | |
1820 | } | |
1821 | ||
1822 | ||
1823 | /* | |
1824 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler. | |
1825 | */ | |
1826 | ||
1827 | static void | |
1828 | sigterm_handler(int sig) /* I - Signal number */ | |
1829 | { | |
1830 | (void)sig; /* remove compiler warnings... */ | |
1831 | ||
1832 | /* | |
1833 | * Flag that we should stop and return... | |
1834 | */ | |
1835 | ||
1836 | stop_scheduler = 1; | |
1837 | } | |
1838 | ||
1839 | ||
1166bf58 | 1840 | #ifdef HAVE_ONDEMAND |
26c14fa6 | 1841 | /* |
1166bf58 | 1842 | * 'service_add_listener()' - Bind an open fd as a Listener. |
26c14fa6 BN |
1843 | */ |
1844 | ||
1845 | static void | |
1166bf58 MS |
1846 | service_add_listener(int fd, /* I - Socket file descriptor */ |
1847 | int idx) /* I - Listener number, for logging */ | |
26c14fa6 BN |
1848 | { |
1849 | cupsd_listener_t *lis; /* Listeners array */ | |
1850 | http_addr_t addr; /* Address variable */ | |
1851 | socklen_t addrlen; /* Length of address */ | |
1852 | char s[256]; /* String addresss */ | |
1853 | ||
1166bf58 | 1854 | |
26c14fa6 BN |
1855 | addrlen = sizeof(addr); |
1856 | ||
1857 | if (getsockname(fd, (struct sockaddr *)&addr, &addrlen)) | |
1858 | { | |
1166bf58 | 1859 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_add_listener: Unable to get local address for listener #%d: %s", idx + 1, strerror(errno)); |
26c14fa6 BN |
1860 | return; |
1861 | } | |
1862 | ||
1166bf58 | 1863 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_add_listener: Listener #%d at fd %d, \"%s\".", idx + 1, fd, httpAddrString(&addr, s, sizeof(s))); |
26c14fa6 | 1864 | |
1166bf58 MS |
1865 | /* |
1866 | * Try to match the on-demand socket address to one of the listeners... | |
1867 | */ | |
26c14fa6 BN |
1868 | |
1869 | for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners); | |
1870 | lis; | |
1871 | lis = (cupsd_listener_t *)cupsArrayNext(Listeners)) | |
1872 | if (httpAddrEqual(&lis->address, &addr)) | |
1873 | break; | |
1874 | ||
1875 | /* | |
1876 | * Add a new listener If there's no match... | |
1877 | */ | |
1878 | ||
1879 | if (lis) | |
1880 | { | |
1166bf58 | 1881 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_add_listener: Matched existing listener #%d to %s.", idx + 1, httpAddrString(&(lis->address), s, sizeof(s))); |
26c14fa6 BN |
1882 | } |
1883 | else | |
1884 | { | |
1166bf58 | 1885 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_add_listener: Adding new listener #%d for %s.", idx + 1, httpAddrString(&addr, s, sizeof(s))); |
26c14fa6 BN |
1886 | |
1887 | if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL) | |
1888 | { | |
1166bf58 | 1889 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_add_listener: Unable to allocate listener: %s.", strerror(errno)); |
26c14fa6 BN |
1890 | exit(EXIT_FAILURE); |
1891 | return; | |
1892 | } | |
1893 | ||
1894 | cupsArrayAdd(Listeners, lis); | |
1895 | ||
1896 | memcpy(&lis->address, &addr, sizeof(lis->address)); | |
1897 | } | |
1898 | ||
1899 | lis->fd = fd; | |
1900 | lis->on_demand = 1; | |
1901 | ||
1902 | # ifdef HAVE_SSL | |
1903 | if (httpAddrPort(&(lis->address)) == 443) | |
1904 | lis->encryption = HTTP_ENCRYPT_ALWAYS; | |
1905 | # endif /* HAVE_SSL */ | |
1906 | } | |
03bc3ef4 | 1907 | #endif /* HAVE_ONDEMAND */ |
26c14fa6 | 1908 | |
1166bf58 | 1909 | |
1720786e MS |
1910 | /* |
1911 | * 'service_checkin()' - Check-in with launchd and collect the listening fds. | |
1912 | */ | |
1913 | ||
1914 | static void | |
1915 | service_checkin(void) | |
1916 | { | |
1720786e MS |
1917 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid()); |
1918 | ||
03bc3ef4 MS |
1919 | #ifdef HAVE_LAUNCHD |
1920 | if (OnDemand) | |
1720786e | 1921 | { |
03bc3ef4 MS |
1922 | int error; /* Check-in error, if any */ |
1923 | size_t i, /* Looping var */ | |
1924 | count; /* Number of listeners */ | |
1925 | int *ld_sockets; /* Listener sockets */ | |
1720786e | 1926 | |
2c3b8f53 MS |
1927 | # ifdef __APPLE__ |
1928 | /* | |
1929 | * Force "user initiated" priority for the main thread... | |
1930 | */ | |
1931 | ||
1932 | pthread_set_qos_class_self_np(QOS_CLASS_USER_INITIATED, 0); | |
1933 | # endif /* __APPLE__ */ | |
1934 | ||
03bc3ef4 MS |
1935 | /* |
1936 | * Check-in with launchd... | |
1937 | */ | |
117466cd | 1938 | |
03bc3ef4 MS |
1939 | if ((error = launch_activate_socket("Listeners", &ld_sockets, &count)) != 0) |
1940 | { | |
1941 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(error)); | |
1942 | exit(EXIT_FAILURE); | |
1943 | return; /* anti-compiler-warning */ | |
1944 | } | |
1720786e | 1945 | |
03bc3ef4 MS |
1946 | /* |
1947 | * Try to match the launchd sockets to the cupsd listeners... | |
1948 | */ | |
1720786e | 1949 | |
03bc3ef4 | 1950 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count); |
1720786e | 1951 | |
03bc3ef4 MS |
1952 | for (i = 0; i < count; i ++) |
1953 | service_add_listener(ld_sockets[i], (int)i); | |
1720786e | 1954 | |
03bc3ef4 | 1955 | free(ld_sockets); |
bbe495b0 MS |
1956 | |
1957 | # ifdef __APPLE__ | |
3dee5db7 | 1958 | xpc_transaction_begin(); |
bbe495b0 | 1959 | # endif /* __APPLE__ */ |
1720786e MS |
1960 | } |
1961 | ||
03bc3ef4 MS |
1962 | #elif defined(HAVE_SYSTEMD) |
1963 | if (OnDemand) | |
1964 | { | |
1965 | int i, /* Looping var */ | |
1966 | count; /* Number of listeners */ | |
1720786e | 1967 | |
03bc3ef4 MS |
1968 | /* |
1969 | * Check-in with systemd... | |
1970 | */ | |
1720786e | 1971 | |
03bc3ef4 MS |
1972 | if ((count = sd_listen_fds(0)) < 0) |
1973 | { | |
1974 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(-count)); | |
1975 | exit(EXIT_FAILURE); | |
1976 | return; /* anti-compiler-warning */ | |
1977 | } | |
1166bf58 | 1978 | |
03bc3ef4 MS |
1979 | /* |
1980 | * Try to match the systemd sockets to the cupsd listeners... | |
1981 | */ | |
1720786e | 1982 | |
03bc3ef4 | 1983 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", count); |
1166bf58 | 1984 | |
03bc3ef4 MS |
1985 | for (i = 0; i < count; i ++) |
1986 | service_add_listener(SD_LISTEN_FDS_START + i, i); | |
441de8b2 | 1987 | } |
1720786e | 1988 | |
03bc3ef4 MS |
1989 | #elif defined(HAVE_UPSTART) |
1990 | if (OnDemand) | |
441de8b2 | 1991 | { |
03bc3ef4 MS |
1992 | const char *e; /* Environment var */ |
1993 | int fd; /* File descriptor */ | |
1720786e | 1994 | |
1720786e | 1995 | |
03bc3ef4 MS |
1996 | if (!(e = getenv("UPSTART_EVENTS"))) |
1997 | { | |
1998 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: We did not get started via Upstart."); | |
1999 | exit(EXIT_FAILURE); | |
2000 | return; | |
2001 | } | |
1720786e | 2002 | |
03bc3ef4 MS |
2003 | if (strcasecmp(e, "socket")) |
2004 | { | |
2005 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: We did not get triggered via an Upstart socket event."); | |
2006 | exit(EXIT_FAILURE); | |
2007 | return; | |
2008 | } | |
1720786e | 2009 | |
03bc3ef4 MS |
2010 | if ((e = getenv("UPSTART_FDS")) == NULL) |
2011 | { | |
2012 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets from UPSTART_FDS."); | |
2013 | exit(EXIT_FAILURE); | |
2014 | return; | |
2015 | } | |
1166bf58 | 2016 | |
03bc3ef4 | 2017 | cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: UPSTART_FDS=%s", e); |
1720786e | 2018 | |
03bc3ef4 MS |
2019 | fd = (int)strtol(e, NULL, 10); |
2020 | if (fd < 0) | |
2021 | { | |
2022 | cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Could not parse UPSTART_FDS: %s", strerror(errno)); | |
2023 | exit(EXIT_FAILURE); | |
2024 | return; | |
2025 | } | |
2026 | ||
2027 | /* | |
2028 | * Upstart only supportst a single on-demand socket file descriptor... | |
2029 | */ | |
2030 | ||
2031 | service_add_listener(fd, 0); | |
2032 | } | |
2033 | #endif /* HAVE_LAUNCHD */ | |
1720786e MS |
2034 | } |
2035 | ||
2036 | ||
2037 | /* | |
03bc3ef4 | 2038 | * 'service_checkout()' - Update the KeepAlive/PID file as needed. |
1720786e MS |
2039 | */ |
2040 | ||
2041 | static void | |
03bc3ef4 | 2042 | service_checkout(int shutdown) /* I - Shutting down? */ |
1720786e | 2043 | { |
e9b2d701 MS |
2044 | cups_file_t *fp; /* File */ |
2045 | char pidfile[1024]; /* PID/KeepAlive file */ | |
03bc3ef4 MS |
2046 | |
2047 | ||
2048 | /* | |
2049 | * When running on-demand, use the KeepAlive file, otherwise write a PID file | |
2050 | * to StateDir... | |
2051 | */ | |
1720786e | 2052 | |
03bc3ef4 MS |
2053 | #ifdef HAVE_ONDEMAND |
2054 | if (OnDemand) | |
e9b2d701 | 2055 | { |
e9a4e9d6 MS |
2056 | int shared_printers = 0; /* Do we have shared printers? */ |
2057 | ||
03bc3ef4 | 2058 | strlcpy(pidfile, CUPS_KEEPALIVE, sizeof(pidfile)); |
e9b2d701 | 2059 | |
e9a4e9d6 MS |
2060 | /* |
2061 | * If printer sharing is on see if there are any actual shared printers... | |
2062 | */ | |
2063 | ||
2064 | if (Browsing && BrowseLocalProtocols) | |
2065 | { | |
2066 | cupsd_printer_t *p = NULL; /* Current printer */ | |
2067 | ||
2068 | for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers)) | |
2069 | { | |
2070 | if (p->shared) | |
2071 | break; | |
2072 | } | |
2073 | ||
2074 | shared_printers = (p != NULL); | |
2075 | } | |
2076 | ||
e9b2d701 MS |
2077 | if (cupsArrayCount(ActiveJobs) || /* Active jobs */ |
2078 | WebInterface || /* Web interface enabled */ | |
2079 | NeedReload || /* Doing a reload */ | |
e9a4e9d6 | 2080 | shared_printers) /* Printers being shared */ |
e9b2d701 MS |
2081 | { |
2082 | /* | |
2083 | * Create or remove the "keep-alive" file based on whether there are active | |
2084 | * jobs or shared printers to advertise... | |
2085 | */ | |
2086 | ||
2087 | shutdown = 0; | |
2088 | } | |
2089 | } | |
03bc3ef4 MS |
2090 | else |
2091 | #endif /* HAVE_ONDEMAND */ | |
2092 | snprintf(pidfile, sizeof(pidfile), "%s/cupsd.pid", StateDir); | |
1720786e | 2093 | |
e9b2d701 MS |
2094 | if (shutdown) |
2095 | { | |
2096 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Removing KeepAlive/PID file \"%s\".", pidfile); | |
1720786e | 2097 | |
e9b2d701 MS |
2098 | unlink(pidfile); |
2099 | } | |
2100 | else | |
1720786e | 2101 | { |
03bc3ef4 | 2102 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating KeepAlive/PID file \"%s\".", pidfile); |
1720786e | 2103 | |
03bc3ef4 MS |
2104 | if ((fp = cupsFileOpen(pidfile, "w")) != NULL) |
2105 | { | |
2106 | /* | |
2107 | * Save the PID in the file... | |
2108 | */ | |
2109 | ||
2110 | cupsFilePrintf(fp, "%d\n", (int)getpid()); | |
2111 | cupsFileClose(fp); | |
2112 | } | |
2113 | else | |
2114 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create KeepAlive/PID file \"%s\": %s", pidfile, strerror(errno)); | |
1720786e | 2115 | } |
bbe495b0 | 2116 | |
bbe495b0 | 2117 | # ifdef __APPLE__ |
3dee5db7 MS |
2118 | if (OnDemand && shutdown) |
2119 | xpc_transaction_end(); | |
bbe495b0 | 2120 | # endif /* __APPLE__ */ |
1720786e | 2121 | } |
1720786e MS |
2122 | |
2123 | ||
ef416fc2 | 2124 | /* |
2125 | * 'usage()' - Show scheduler usage. | |
2126 | */ | |
2127 | ||
2128 | static void | |
a4d04587 | 2129 | usage(int status) /* O - Exit status */ |
ef416fc2 | 2130 | { |
0837b7e8 MS |
2131 | FILE *fp = status ? stderr : stdout; /* Output file */ |
2132 | ||
2133 | ||
2134 | _cupsLangPuts(fp, _("Usage: cupsd [options]")); | |
2135 | _cupsLangPuts(fp, _("Options:")); | |
c4b22214 MS |
2136 | _cupsLangPuts(fp, _("-c cupsd.conf Set cupsd.conf file to use.")); |
2137 | _cupsLangPuts(fp, _("-f Run in the foreground.")); | |
2138 | _cupsLangPuts(fp, _("-F Run in the foreground but detach from console.")); | |
2139 | _cupsLangPuts(fp, _("-h Show this usage message.")); | |
1166bf58 | 2140 | #ifdef HAVE_ONDEMAND |
c4b22214 | 2141 | _cupsLangPuts(fp, _("-l Run cupsd on demand.")); |
1166bf58 | 2142 | #endif /* HAVE_ONDEMAND */ |
c4b22214 MS |
2143 | _cupsLangPuts(fp, _("-s cups-files.conf Set cups-files.conf file to use.")); |
2144 | _cupsLangPuts(fp, _("-t Test the configuration file.")); | |
0837b7e8 | 2145 | |
a4d04587 | 2146 | exit(status); |
ef416fc2 | 2147 | } |