1 /*
2 * Administration utility API definitions for CUPS.
3 *
4 * Copyright © 2020-2024 by OpenPrinting.
5 * Copyright © 2007-2019 by Apple Inc.
6 * Copyright © 2001-2007 by Easy Software Products.
7 *
8 * Licensed under Apache License v2.0. See the file "LICENSE" for more
9 * information.
10 */
11
12 /*
13 * Include necessary headers...
14 */
15
16 #include "cups-private.h"
17 #include "debug-internal.h"
18 #include "ppd.h"
19 #include "adminutil.h"
20 #include <fcntl.h>
21 #include <sys/stat.h>
22 #ifndef _WIN32
23 # include <unistd.h>
24 # include <sys/wait.h>
25 #endif /* !_WIN32 */
26
27
28 /*
29 * Local functions...
30 */
31
32 static http_status_t get_cupsd_conf(http_t *http, _cups_globals_t *cg,
33 time_t last_update, char *name,
34 size_t namelen, int *remote);
35 static void invalidate_cupsd_cache(_cups_globals_t *cg);
36
37
38 /*
39 * 'cupsAdminCreateWindowsPPD()' - Create the Windows PPD file for a printer.
40 *
41 * @deprecated@
42 */
43
44 char * /* O - PPD file or NULL */
cupsAdminCreateWindowsPPD(http_t * http,const char * dest,char * buffer,int bufsize)45 cupsAdminCreateWindowsPPD(
46 http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
47 const char *dest, /* I - Printer or class */
48 char *buffer, /* I - Filename buffer */
49 int bufsize) /* I - Size of filename buffer */
50 {
51 (void)http;
52 (void)dest;
53 (void)bufsize;
54
55 if (buffer)
56 *buffer = '\0';
57
58 return (NULL);
59 }
60
61
62 /*
63 * 'cupsAdminExportSamba()' - Export a printer to Samba.
64 *
65 * @deprecated@
66 */
67
68 int /* O - 1 on success, 0 on failure */
cupsAdminExportSamba(const char * dest,const char * ppd,const char * samba_server,const char * samba_user,const char * samba_password,FILE * logfile)69 cupsAdminExportSamba(
70 const char *dest, /* I - Destination to export */
71 const char *ppd, /* I - PPD file */
72 const char *samba_server, /* I - Samba server */
73 const char *samba_user, /* I - Samba username */
74 const char *samba_password, /* I - Samba password */
75 FILE *logfile) /* I - Log file, if any */
76 {
77 (void)dest;
78 (void)ppd;
79 (void)samba_server;
80 (void)samba_user;
81 (void)samba_password;
82 (void)logfile;
83
84 return (0);
85 }
86
87
88 /*
89 * 'cupsAdminGetServerSettings()' - Get settings from the server.
90 *
91 * The returned settings should be freed with cupsFreeOptions() when
92 * you are done with them.
93 *
94 * @since CUPS 1.3/macOS 10.5@
95 */
96
97 int /* O - 1 on success, 0 on failure */
cupsAdminGetServerSettings(http_t * http,int * num_settings,cups_option_t ** settings)98 cupsAdminGetServerSettings(
99 http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
100 int *num_settings, /* O - Number of settings */
101 cups_option_t **settings) /* O - Settings */
102 {
103 int i; /* Looping var */
104 cups_file_t *cupsd; /* cupsd.conf file */
105 char cupsdconf[1024]; /* cupsd.conf filename */
106 int remote; /* Remote cupsd.conf file? */
107 http_status_t status; /* Status of getting cupsd.conf */
108 char line[1024], /* Line from cupsd.conf file */
109 *value; /* Value on line */
110 cups_option_t *setting; /* Current setting */
111 _cups_globals_t *cg = _cupsGlobals(); /* Global data */
112
113
114 /*
115 * Range check input...
116 */
117
118 if (!http)
119 {
120 /*
121 * See if we are connected to the same server...
122 */
123
124 if (cg->http)
125 {
126 /*
127 * Compare the connection hostname, port, and encryption settings to
128 * the cached defaults; these were initialized the first time we
129 * connected...
130 */
131
132 if (strcmp(cg->http->hostname, cg->server) ||
133 cg->ipp_port != httpAddrPort(cg->http->hostaddr) ||
134 (cg->http->encryption != cg->encryption &&
135 cg->http->encryption == HTTP_ENCRYPTION_NEVER))
136 {
137 /*
138 * Need to close the current connection because something has changed...
139 */
140
141 httpClose(cg->http);
142 cg->http = NULL;
143 }
144 }
145
146 /*
147 * (Re)connect as needed...
148 */
149
150 if (!cg->http)
151 {
152 if ((cg->http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC,
153 cupsEncryption(), 1, 0, NULL)) == NULL)
154 {
155 if (errno)
156 _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE, NULL, 0);
157 else
158 _cupsSetError(IPP_STATUS_ERROR_SERVICE_UNAVAILABLE,
159 _("Unable to connect to host."), 1);
160
161 if (num_settings)
162 *num_settings = 0;
163
164 if (settings)
165 *settings = NULL;
166
167 return (0);
168 }
169 }
170
171 http = cg->http;
172 }
173
174 if (!http || !num_settings || !settings)
175 {
176 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
177
178 if (num_settings)
179 *num_settings = 0;
180
181 if (settings)
182 *settings = NULL;
183
184 return (0);
185 }
186
187 *num_settings = 0;
188 *settings = NULL;
189
190 /*
191 * Get the cupsd.conf file...
192 */
193
194 if ((status = get_cupsd_conf(http, cg, cg->cupsd_update, cupsdconf,
195 sizeof(cupsdconf), &remote)) == HTTP_STATUS_OK)
196 {
197 if ((cupsd = cupsFileOpen(cupsdconf, "r")) == NULL)
198 {
199 char message[1024]; /* Message string */
200
201
202 snprintf(message, sizeof(message),
203 _cupsLangString(cupsLangDefault(), _("Open of %s failed: %s")),
204 cupsdconf, strerror(errno));
205 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, message, 0);
206 }
207 }
208 else
209 cupsd = NULL;
210
211 if (cupsd)
212 {
213 /*
214 * Read the file, keeping track of what settings are enabled...
215 */
216
217 int remote_access = 0, /* Remote access allowed? */
218 remote_admin = 0, /* Remote administration allowed? */
219 remote_any = 0, /* Remote access from anywhere allowed? */
220 browsing = 1, /* Browsing enabled? */
221 cancel_policy = 1, /* Cancel-job policy set? */
222 debug_logging = 0; /* LogLevel debug set? */
223 int linenum = 0, /* Line number in file */
224 in_location = 0, /* In a location section? */
225 in_policy = 0, /* In a policy section? */
226 in_cancel_job = 0, /* In a cancel-job section? */
227 in_admin_location = 0; /* In the /admin location? */
228
229
230 invalidate_cupsd_cache(cg);
231
232 cg->cupsd_update = time(NULL);
233 httpGetHostname(http, cg->cupsd_hostname, sizeof(cg->cupsd_hostname));
234
235 while (cupsFileGetConf(cupsd, line, sizeof(line), &value, &linenum))
236 {
237 if (!value && strncmp(line, "</", 2))
238 value = line + strlen(line);
239
240 if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")) && value)
241 {
242 char *port; /* Pointer to port number, if any */
243
244
245 if ((port = strrchr(value, ':')) != NULL)
246 *port = '\0';
247 else if (isdigit(*value & 255))
248 {
249 /*
250 * Listen on a port number implies remote access...
251 */
252
253 remote_access = 1;
254 continue;
255 }
256
257 if (_cups_strcasecmp(value, "localhost") && strcmp(value, "127.0.0.1")
258 #ifdef AF_LOCAL
259 && *value != '/'
260 #endif /* AF_LOCAL */
261 #ifdef AF_INET6
262 && strcmp(value, "[::1]")
263 #endif /* AF_INET6 */
264 )
265 remote_access = 1;
266 }
267 else if (!_cups_strcasecmp(line, "Browsing") && value)
268 {
269 browsing = !_cups_strcasecmp(value, "yes") ||
270 !_cups_strcasecmp(value, "on") ||
271 !_cups_strcasecmp(value, "true");
272 }
273 else if (!_cups_strcasecmp(line, "LogLevel") && value)
274 {
275 debug_logging = !_cups_strncasecmp(value, "debug", 5);
276 }
277 else if (!_cups_strcasecmp(line, "<Policy") && value && !_cups_strcasecmp(value, "default"))
278 {
279 in_policy = 1;
280 }
281 else if (!_cups_strcasecmp(line, "</Policy>"))
282 {
283 in_policy = 0;
284 }
285 else if (!_cups_strcasecmp(line, "<Limit") && in_policy && value)
286 {
287 /*
288 * See if the policy limit is for the Cancel-Job operation...
289 */
290
291 char *valptr; /* Pointer into value */
292
293
294 while (*value)
295 {
296 for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++);
297
298 if (*valptr)
299 *valptr++ = '\0';
300
301 if (!_cups_strcasecmp(value, "cancel-job") ||
302 !_cups_strcasecmp(value, "all"))
303 {
304 in_cancel_job = 1;
305 break;
306 }
307
308 for (value = valptr; _cups_isspace(*value); value ++);
309 }
310 }
311 else if (!_cups_strcasecmp(line, "</Limit>"))
312 {
313 in_cancel_job = 0;
314 }
315 else if (!_cups_strcasecmp(line, "Require") && in_cancel_job)
316 {
317 cancel_policy = 0;
318 }
319 else if (!_cups_strcasecmp(line, "<Location") && value)
320 {
321 in_admin_location = !_cups_strcasecmp(value, "/admin");
322 in_location = 1;
323 }
324 else if (!_cups_strcasecmp(line, "</Location>"))
325 {
326 in_admin_location = 0;
327 in_location = 0;
328 }
329 else if (!_cups_strcasecmp(line, "Allow") && value &&
330 _cups_strcasecmp(value, "localhost") &&
331 _cups_strcasecmp(value, "127.0.0.1")
332 #ifdef AF_LOCAL
333 && *value != '/'
334 #endif /* AF_LOCAL */
335 #ifdef AF_INET6
336 && strcmp(value, "::1")
337 #endif /* AF_INET6 */
338 )
339 {
340 if (in_admin_location)
341 remote_admin = 1;
342 else if (!_cups_strcasecmp(value, "all"))
343 remote_any = 1;
344 }
345 else if (line[0] != '<' && !in_location && !in_policy &&
346 _cups_strcasecmp(line, "Allow") &&
347 _cups_strcasecmp(line, "AuthType") &&
348 _cups_strcasecmp(line, "Deny") &&
349 _cups_strcasecmp(line, "Order") &&
350 _cups_strcasecmp(line, "Require") &&
351 _cups_strcasecmp(line, "Satisfy"))
352 cg->cupsd_num_settings = cupsAddOption(line, value,
353 cg->cupsd_num_settings,
354 &(cg->cupsd_settings));
355 }
356
357 cupsFileClose(cupsd);
358
359 cg->cupsd_num_settings = cupsAddOption(CUPS_SERVER_DEBUG_LOGGING,
360 debug_logging ? "1" : "0",
361 cg->cupsd_num_settings,
362 &(cg->cupsd_settings));
363
364 cg->cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ADMIN,
365 (remote_access && remote_admin) ?
366 "1" : "0",
367 cg->cupsd_num_settings,
368 &(cg->cupsd_settings));
369
370 cg->cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ANY,
371 remote_any ? "1" : "0",
372 cg->cupsd_num_settings,
373 &(cg->cupsd_settings));
374
375 cg->cupsd_num_settings = cupsAddOption(CUPS_SERVER_SHARE_PRINTERS,
376 (remote_access && browsing) ? "1" :
377 "0",
378 cg->cupsd_num_settings,
379 &(cg->cupsd_settings));
380
381 cg->cupsd_num_settings = cupsAddOption(CUPS_SERVER_USER_CANCEL_ANY,
382 cancel_policy ? "1" : "0",
383 cg->cupsd_num_settings,
384 &(cg->cupsd_settings));
385 }
386 else if (status != HTTP_STATUS_NOT_MODIFIED)
387 invalidate_cupsd_cache(cg);
388
389 /*
390 * Remove any temporary files and copy the settings array...
391 */
392
393 if (remote)
394 unlink(cupsdconf);
395
396 for (i = cg->cupsd_num_settings, setting = cg->cupsd_settings;
397 i > 0;
398 i --, setting ++)
399 *num_settings = cupsAddOption(setting->name, setting->value,
400 *num_settings, settings);
401
402 return (cg->cupsd_num_settings > 0);
403 }
404
405
406 /*
407 * 'cupsAdminSetServerSettings()' - Set settings on the server.
408 *
409 * @since CUPS 1.3/macOS 10.5@
410 */
411
412 int /* O - 1 on success, 0 on failure */
cupsAdminSetServerSettings(http_t * http,int num_settings,cups_option_t * settings)413 cupsAdminSetServerSettings(
414 http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
415 int num_settings, /* I - Number of settings */
416 cups_option_t *settings) /* I - Settings */
417 {
418 int i; /* Looping var */
419 http_status_t status; /* GET/PUT status */
420 const char *server_port_env; /* SERVER_PORT env var */
421 int server_port; /* IPP port for server */
422 cups_file_t *cupsd; /* cupsd.conf file */
423 char cupsdconf[1024]; /* cupsd.conf filename */
424 int remote; /* Remote cupsd.conf file? */
425 char tempfile[1024]; /* Temporary new cupsd.conf */
426 cups_file_t *temp; /* Temporary file */
427 char line[1024], /* Line from cupsd.conf file */
428 *value; /* Value on line */
429 int linenum, /* Line number in file */
430 in_location, /* In a location section? */
431 in_policy, /* In a policy section? */
432 in_default_policy, /* In the default policy section? */
433 in_cancel_job, /* In a cancel-job section? */
434 in_admin_location, /* In the /admin location? */
435 in_conf_location, /* In the /admin/conf location? */
436 in_log_location, /* In the /admin/log location? */
437 in_root_location; /* In the / location? */
438 const char *val; /* Setting value */
439 int share_printers, /* Share local printers */
440 remote_admin, /* Remote administration allowed? */
441 remote_any, /* Remote access from anywhere? */
442 user_cancel_any, /* Cancel-job policy set? */
443 debug_logging; /* LogLevel debug set? */
444 int wrote_port_listen, /* Wrote the port/listen lines? */
445 wrote_browsing, /* Wrote the browsing lines? */
446 wrote_policy, /* Wrote the policy? */
447 wrote_loglevel, /* Wrote the LogLevel line? */
448 wrote_admin_location, /* Wrote the /admin location? */
449 wrote_conf_location, /* Wrote the /admin/conf location? */
450 wrote_log_location, /* Wrote the /admin/log location? */
451 wrote_root_location; /* Wrote the / location? */
452 int indent; /* Indentation */
453 int cupsd_num_settings; /* New number of settings */
454 int old_share_printers, /* Share local printers */
455 old_remote_admin, /* Remote administration allowed? */
456 old_remote_any, /* Remote access from anywhere? */
457 old_user_cancel_any, /* Cancel-job policy set? */
458 old_debug_logging; /* LogLevel debug set? */
459 cups_option_t *cupsd_settings, /* New settings */
460 *setting; /* Current setting */
461 _cups_globals_t *cg = _cupsGlobals(); /* Global data */
462
463
464 /*
465 * Range check input...
466 */
467
468 if (!http)
469 http = _cupsConnect();
470
471 if (!http || !num_settings || !settings)
472 {
473 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
474
475 return (0);
476 }
477
478 /*
479 * Get the cupsd.conf file...
480 */
481
482 if (get_cupsd_conf(http, cg, 0, cupsdconf, sizeof(cupsdconf),
483 &remote) == HTTP_STATUS_OK)
484 {
485 if ((cupsd = cupsFileOpen(cupsdconf, "r")) == NULL)
486 {
487 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
488 return (0);
489 }
490 }
491 else
492 return (0);
493
494 /*
495 * Get current settings...
496 */
497
498 if (!cupsAdminGetServerSettings(http, &cupsd_num_settings,
499 &cupsd_settings))
500 return (0);
501
502 if ((val = cupsGetOption(CUPS_SERVER_DEBUG_LOGGING, cupsd_num_settings,
503 cupsd_settings)) != NULL)
504 old_debug_logging = atoi(val);
505 else
506 old_debug_logging = 0;
507
508 DEBUG_printf(("1cupsAdminSetServerSettings: old debug_logging=%d",
509 old_debug_logging));
510
511 if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ADMIN, cupsd_num_settings,
512 cupsd_settings)) != NULL)
513 old_remote_admin = atoi(val);
514 else
515 old_remote_admin = 0;
516
517 DEBUG_printf(("1cupsAdminSetServerSettings: old remote_admin=%d",
518 old_remote_admin));
519
520 if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ANY, cupsd_num_settings,
521 cupsd_settings)) != NULL)
522 old_remote_any = atoi(val);
523 else
524 old_remote_any = 0;
525
526 DEBUG_printf(("1cupsAdminSetServerSettings: old remote_any=%d",
527 old_remote_any));
528
529 if ((val = cupsGetOption(CUPS_SERVER_SHARE_PRINTERS, cupsd_num_settings,
530 cupsd_settings)) != NULL)
531 old_share_printers = atoi(val);
532 else
533 old_share_printers = 0;
534
535 DEBUG_printf(("1cupsAdminSetServerSettings: old share_printers=%d",
536 old_share_printers));
537
538 if ((val = cupsGetOption(CUPS_SERVER_USER_CANCEL_ANY, cupsd_num_settings,
539 cupsd_settings)) != NULL)
540 old_user_cancel_any = atoi(val);
541 else
542 old_user_cancel_any = 0;
543
544 DEBUG_printf(("1cupsAdminSetServerSettings: old user_cancel_any=%d",
545 old_user_cancel_any));
546
547 cupsFreeOptions(cupsd_num_settings, cupsd_settings);
548
549 /*
550 * Get basic settings...
551 */
552
553 if ((val = cupsGetOption(CUPS_SERVER_DEBUG_LOGGING, num_settings,
554 settings)) != NULL)
555 {
556 debug_logging = atoi(val);
557
558 if (debug_logging == old_debug_logging)
559 {
560 /*
561 * No change to this setting...
562 */
563
564 debug_logging = -1;
565 }
566 }
567 else
568 debug_logging = -1;
569
570 DEBUG_printf(("1cupsAdminSetServerSettings: debug_logging=%d",
571 debug_logging));
572
573 if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ANY, num_settings, settings)) != NULL)
574 {
575 remote_any = atoi(val);
576
577 if (remote_any == old_remote_any)
578 {
579 /*
580 * No change to this setting...
581 */
582
583 remote_any = -1;
584 }
585 }
586 else
587 remote_any = -1;
588
589 DEBUG_printf(("1cupsAdminSetServerSettings: remote_any=%d", remote_any));
590
591 if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ADMIN, num_settings,
592 settings)) != NULL)
593 {
594 remote_admin = atoi(val);
595
596 if (remote_admin == old_remote_admin)
597 {
598 /*
599 * No change to this setting...
600 */
601
602 remote_admin = -1;
603 }
604 }
605 else
606 remote_admin = -1;
607
608 DEBUG_printf(("1cupsAdminSetServerSettings: remote_admin=%d",
609 remote_admin));
610
611 if ((val = cupsGetOption(CUPS_SERVER_SHARE_PRINTERS, num_settings,
612 settings)) != NULL)
613 {
614 share_printers = atoi(val);
615
616 if (share_printers == old_share_printers)
617 {
618 /*
619 * No change to this setting...
620 */
621
622 share_printers = -1;
623 }
624 }
625 else
626 share_printers = -1;
627
628 DEBUG_printf(("1cupsAdminSetServerSettings: share_printers=%d",
629 share_printers));
630
631 if ((val = cupsGetOption(CUPS_SERVER_USER_CANCEL_ANY, num_settings,
632 settings)) != NULL)
633 {
634 user_cancel_any = atoi(val);
635
636 if (user_cancel_any == old_user_cancel_any)
637 {
638 /*
639 * No change to this setting...
640 */
641
642 user_cancel_any = -1;
643 }
644 }
645 else
646 user_cancel_any = -1;
647
648 DEBUG_printf(("1cupsAdminSetServerSettings: user_cancel_any=%d",
649 user_cancel_any));
650
651 /*
652 * Create a temporary file for the new cupsd.conf file...
653 */
654
655 if ((temp = cupsTempFile2(tempfile, sizeof(tempfile))) == NULL)
656 {
657 cupsFileClose(cupsd);
658
659 if (remote)
660 unlink(cupsdconf);
661
662 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
663 return (0);
664 }
665
666 /*
667 * Copy the old file to the new, making changes along the way...
668 */
669
670 cupsd_num_settings = 0;
671 in_admin_location = 0;
672 in_cancel_job = 0;
673 in_conf_location = 0;
674 in_default_policy = 0;
675 in_location = 0;
676 in_log_location = 0;
677 in_policy = 0;
678 in_root_location = 0;
679 linenum = 0;
680 wrote_admin_location = 0;
681 wrote_browsing = 0;
682 wrote_conf_location = 0;
683 wrote_log_location = 0;
684 wrote_loglevel = 0;
685 wrote_policy = 0;
686 wrote_port_listen = 0;
687 wrote_root_location = 0;
688 indent = 0;
689
690 if ((server_port_env = getenv("SERVER_PORT")) != NULL)
691 {
692 if ((server_port = atoi(server_port_env)) <= 0)
693 server_port = ippPort();
694 }
695 else
696 server_port = ippPort();
697
698 if (server_port <= 0)
699 server_port = IPP_PORT;
700
701 while (cupsFileGetConf(cupsd, line, sizeof(line), &value, &linenum))
702 {
703 if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")) &&
704 (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0))
705 {
706 if (!wrote_port_listen)
707 {
708 wrote_port_listen = 1;
709
710 if (remote_admin > 0 || remote_any > 0 || share_printers > 0)
711 {
712 cupsFilePuts(temp, "# Allow remote access\n");
713 cupsFilePrintf(temp, "Port %d\n", server_port);
714 }
715 else
716 {
717 cupsFilePuts(temp, "# Only listen for connections from the local "
718 "machine.\n");
719 cupsFilePrintf(temp, "Listen localhost:%d\n", server_port);
720 }
721
722 #ifdef CUPS_DEFAULT_DOMAINSOCKET
723 if ((!value || strcmp(CUPS_DEFAULT_DOMAINSOCKET, value)) &&
724 !access(CUPS_DEFAULT_DOMAINSOCKET, 0))
725 cupsFilePuts(temp, "Listen " CUPS_DEFAULT_DOMAINSOCKET "\n");
726 #endif /* CUPS_DEFAULT_DOMAINSOCKET */
727 }
728 else if (value && value[0] == '/'
729 #ifdef CUPS_DEFAULT_DOMAINSOCKET
730 && strcmp(CUPS_DEFAULT_DOMAINSOCKET, value)
731 #endif /* CUPS_DEFAULT_DOMAINSOCKET */
732 )
733 cupsFilePrintf(temp, "Listen %s\n", value);
734 }
735 else if ((!_cups_strcasecmp(line, "Browsing") ||
736 !_cups_strcasecmp(line, "BrowseLocalProtocols")) &&
737 share_printers >= 0)
738 {
739 if (!wrote_browsing)
740 {
741 wrote_browsing = 1;
742
743 if (share_printers)
744 {
745 const char *localp = cupsGetOption("BrowseLocalProtocols",
746 num_settings, settings);
747
748 if (!localp || !localp[0])
749 localp = cupsGetOption("BrowseLocalProtocols", cupsd_num_settings,
750 cupsd_settings);
751
752 cupsFilePuts(temp, "# Share local printers on the local network.\n");
753 cupsFilePuts(temp, "Browsing On\n");
754
755 if (!localp)
756 localp = CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS;
757
758 cupsFilePrintf(temp, "BrowseLocalProtocols %s\n", localp);
759
760 cupsd_num_settings = cupsAddOption("BrowseLocalProtocols", localp,
761 cupsd_num_settings,
762 &cupsd_settings);
763 }
764 else
765 {
766 cupsFilePuts(temp, "# Disable printer sharing.\n");
767 cupsFilePuts(temp, "Browsing Off\n");
768 }
769 }
770 }
771 else if (!_cups_strcasecmp(line, "LogLevel") && debug_logging >= 0)
772 {
773 wrote_loglevel = 1;
774
775 if (debug_logging)
776 {
777 cupsFilePuts(temp,
778 "# Show troubleshooting information in error_log.\n");
779 cupsFilePuts(temp, "LogLevel debug\n");
780 }
781 else
782 {
783 cupsFilePuts(temp, "# Show general information in error_log.\n");
784 cupsFilePuts(temp, "LogLevel " CUPS_DEFAULT_LOG_LEVEL "\n");
785 }
786 }
787 else if (!_cups_strcasecmp(line, "<Policy"))
788 {
789 in_default_policy = !_cups_strcasecmp(value, "default");
790 in_policy = 1;
791
792 cupsFilePrintf(temp, "%s %s>\n", line, value);
793 indent += 2;
794 }
795 else if (!_cups_strcasecmp(line, "</Policy>"))
796 {
797 indent -= 2;
798 if (!wrote_policy && in_default_policy)
799 {
800 wrote_policy = 1;
801
802 if (!user_cancel_any)
803 cupsFilePuts(temp, " # Only the owner or an administrator can "
804 "cancel a job...\n"
805 " <Limit Cancel-Job>\n"
806 " Order deny,allow\n"
807 " Require user @OWNER "
808 CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n"
809 " </Limit>\n");
810 }
811
812 in_policy = 0;
813 in_default_policy = 0;
814
815 cupsFilePuts(temp, "</Policy>\n");
816 }
817 else if (!_cups_strcasecmp(line, "<Location"))
818 {
819 in_location = 1;
820 indent += 2;
821 if (!strcmp(value, "/admin"))
822 in_admin_location = 1;
823 else if (!strcmp(value, "/admin/conf"))
824 in_conf_location = 1;
825 else if (!strcmp(value, "/admin/log"))
826 in_log_location = 1;
827 else if (!strcmp(value, "/"))
828 in_root_location = 1;
829
830 cupsFilePrintf(temp, "%s %s>\n", line, value);
831 }
832 else if (!_cups_strcasecmp(line, "</Location>"))
833 {
834 in_location = 0;
835 indent -= 2;
836 if (in_admin_location && remote_admin >= 0)
837 {
838 wrote_admin_location = 1;
839
840 if (remote_admin)
841 cupsFilePuts(temp, " # Allow remote administration...\n");
842 else
843 cupsFilePuts(temp, " # Restrict access to the admin pages...\n");
844
845 cupsFilePuts(temp, " Order allow,deny\n");
846
847 if (remote_admin)
848 {
849 if (remote_any >= 0)
850 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
851 else
852 cupsFilePrintf(temp, " Allow %s\n", old_remote_any > 0 ? "all" : "@LOCAL");
853 }
854 }
855 else if (in_conf_location && remote_admin >= 0)
856 {
857 wrote_conf_location = 1;
858
859 if (remote_admin)
860 cupsFilePuts(temp, " # Allow remote access to the configuration "
861 "files...\n");
862 else
863 cupsFilePuts(temp, " # Restrict access to the configuration "
864 "files...\n");
865
866 cupsFilePuts(temp, " Order allow,deny\n");
867
868 if (remote_admin)
869 {
870 if (remote_any >= 0)
871 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
872 else
873 cupsFilePrintf(temp, " Allow %s\n", old_remote_any > 0 ? "all" : "@LOCAL");
874 }
875 }
876 else if (in_log_location && remote_admin >= 0)
877 {
878 wrote_log_location = 1;
879
880 if (remote_admin)
881 cupsFilePuts(temp, " # Allow remote access to the log "
882 "files...\n");
883 else
884 cupsFilePuts(temp, " # Restrict access to the log "
885 "files...\n");
886
887 cupsFilePuts(temp, " Order allow,deny\n");
888
889 if (remote_admin)
890 {
891 if (remote_any >= 0)
892 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
893 else
894 cupsFilePrintf(temp, " Allow %s\n", old_remote_any > 0 ? "all" : "@LOCAL");
895 }
896 }
897 else if (in_root_location &&
898 (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0))
899 {
900 wrote_root_location = 1;
901
902 if (remote_admin > 0 && share_printers > 0)
903 cupsFilePuts(temp, " # Allow shared printing and remote "
904 "administration...\n");
905 else if (remote_admin > 0)
906 cupsFilePuts(temp, " # Allow remote administration...\n");
907 else if (share_printers > 0)
908 cupsFilePuts(temp, " # Allow shared printing...\n");
909 else if (remote_any > 0)
910 cupsFilePuts(temp, " # Allow remote access...\n");
911 else
912 cupsFilePuts(temp, " # Restrict access to the server...\n");
913
914 cupsFilePuts(temp, " Order allow,deny\n");
915
916 if (remote_admin > 0 || remote_any > 0 || share_printers > 0)
917 {
918 if (remote_any >= 0)
919 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
920 else
921 cupsFilePrintf(temp, " Allow %s\n", old_remote_any > 0 ? "all" : "@LOCAL");
922 }
923 }
924
925 in_admin_location = 0;
926 in_conf_location = 0;
927 in_log_location = 0;
928 in_root_location = 0;
929
930 cupsFilePuts(temp, "</Location>\n");
931 }
932 else if (!_cups_strcasecmp(line, "<Limit"))
933 {
934 if (in_default_policy)
935 {
936 /*
937 * See if the policy limit is for the Cancel-Job operation...
938 */
939
940 char *valptr; /* Pointer into value */
941
942
943 if (!_cups_strcasecmp(value, "cancel-job") && user_cancel_any >= 0)
944 {
945 /*
946 * Don't write anything for this limit section...
947 */
948
949 in_cancel_job = 2;
950 }
951 else
952 {
953 cupsFilePrintf(temp, "%*s%s", indent, "", line);
954
955 while (*value)
956 {
957 for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++);
958
959 if (*valptr)
960 *valptr++ = '\0';
961
962 if (!_cups_strcasecmp(value, "cancel-job") && user_cancel_any >= 0)
963 {
964 /*
965 * Write everything except for this definition...
966 */
967
968 in_cancel_job = 1;
969 }
970 else
971 cupsFilePrintf(temp, " %s", value);
972
973 for (value = valptr; _cups_isspace(*value); value ++);
974 }
975
976 cupsFilePuts(temp, ">\n");
977 }
978 }
979 else
980 cupsFilePrintf(temp, "%*s%s %s>\n", indent, "", line, value);
981
982 indent += 2;
983 }
984 else if (!_cups_strcasecmp(line, "</Limit>") && in_cancel_job)
985 {
986 indent -= 2;
987
988 if (in_cancel_job == 1)
989 cupsFilePuts(temp, " </Limit>\n");
990
991 wrote_policy = 1;
992
993 if (!user_cancel_any)
994 cupsFilePuts(temp, " # Only the owner or an administrator can cancel "
995 "a job...\n"
996 " <Limit Cancel-Job>\n"
997 " Order deny,allow\n"
998 " Require user @OWNER "
999 CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n"
1000 " </Limit>\n");
1001
1002 in_cancel_job = 0;
1003 }
1004 else if ((((in_admin_location || in_conf_location || in_root_location || in_log_location) &&
1005 (remote_admin >= 0 || remote_any >= 0)) ||
1006 (in_root_location && share_printers >= 0)) &&
1007 (!_cups_strcasecmp(line, "Allow") || !_cups_strcasecmp(line, "Deny") ||
1008 !_cups_strcasecmp(line, "Order")))
1009 continue;
1010 else if (in_cancel_job == 2)
1011 continue;
1012 else if (line[0] == '<')
1013 {
1014 if (value)
1015 {
1016 cupsFilePrintf(temp, "%*s%s %s>\n", indent, "", line, value);
1017 indent += 2;
1018 }
1019 else
1020 {
1021 if (line[1] == '/')
1022 indent -= 2;
1023
1024 cupsFilePrintf(temp, "%*s%s\n", indent, "", line);
1025 }
1026 }
1027 else if (!in_policy && !in_location &&
1028 (val = cupsGetOption(line, num_settings, settings)) != NULL)
1029 {
1030 /*
1031 * Replace this directive's value with the new one...
1032 */
1033
1034 cupsd_num_settings = cupsAddOption(line, val, cupsd_num_settings,
1035 &cupsd_settings);
1036
1037 /*
1038 * Write the new value in its place, without indentation since we
1039 * only support setting root directives, not in sections...
1040 */
1041
1042 cupsFilePrintf(temp, "%s %s\n", line, val);
1043 }
1044 else if (value)
1045 {
1046 if (!in_policy && !in_location)
1047 {
1048 /*
1049 * Record the non-policy, non-location directives that we find
1050 * in the server settings, since we cache this info and record it
1051 * in cupsAdminGetServerSettings()...
1052 */
1053
1054 cupsd_num_settings = cupsAddOption(line, value, cupsd_num_settings,
1055 &cupsd_settings);
1056 }
1057
1058 cupsFilePrintf(temp, "%*s%s %s\n", indent, "", line, value);
1059 }
1060 else
1061 cupsFilePrintf(temp, "%*s%s\n", indent, "", line);
1062 }
1063
1064 /*
1065 * Write any missing info...
1066 */
1067
1068 if (!wrote_browsing && share_printers >= 0)
1069 {
1070 if (share_printers > 0)
1071 {
1072 cupsFilePuts(temp, "# Share local printers on the local network.\n");
1073 cupsFilePuts(temp, "Browsing On\n");
1074 }
1075 else
1076 {
1077 cupsFilePuts(temp, "# Disable printer sharing and shared printers.\n");
1078 cupsFilePuts(temp, "Browsing Off\n");
1079 }
1080 }
1081
1082 if (!wrote_loglevel && debug_logging >= 0)
1083 {
1084 if (debug_logging)
1085 {
1086 cupsFilePuts(temp, "# Show troubleshooting information in error_log.\n");
1087 cupsFilePuts(temp, "LogLevel debug\n");
1088 }
1089 else
1090 {
1091 cupsFilePuts(temp, "# Show general information in error_log.\n");
1092 cupsFilePuts(temp, "LogLevel " CUPS_DEFAULT_LOG_LEVEL "\n");
1093 }
1094 }
1095
1096 if (!wrote_port_listen &&
1097 (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0))
1098 {
1099 if (remote_admin > 0 || remote_any > 0 || share_printers > 0)
1100 {
1101 cupsFilePuts(temp, "# Allow remote access\n");
1102 cupsFilePrintf(temp, "Port %d\n", ippPort());
1103 }
1104 else
1105 {
1106 cupsFilePuts(temp,
1107 "# Only listen for connections from the local machine.\n");
1108 cupsFilePrintf(temp, "Listen localhost:%d\n", ippPort());
1109 }
1110
1111 #ifdef CUPS_DEFAULT_DOMAINSOCKET
1112 if (!access(CUPS_DEFAULT_DOMAINSOCKET, 0))
1113 cupsFilePuts(temp, "Listen " CUPS_DEFAULT_DOMAINSOCKET "\n");
1114 #endif /* CUPS_DEFAULT_DOMAINSOCKET */
1115 }
1116
1117 if (!wrote_root_location &&
1118 (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0))
1119 {
1120 if (remote_admin > 0 && share_printers > 0)
1121 cupsFilePuts(temp,
1122 "# Allow shared printing and remote administration...\n");
1123 else if (remote_admin > 0)
1124 cupsFilePuts(temp, "# Allow remote administration...\n");
1125 else if (share_printers > 0)
1126 cupsFilePuts(temp, "# Allow shared printing...\n");
1127 else if (remote_any > 0)
1128 cupsFilePuts(temp, "# Allow remote access...\n");
1129 else
1130 cupsFilePuts(temp, "# Restrict access to the server...\n");
1131
1132 cupsFilePuts(temp, "<Location />\n"
1133 " Order allow,deny\n");
1134
1135 if (remote_admin > 0 || remote_any > 0 || share_printers > 0)
1136 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
1137
1138 cupsFilePuts(temp, "</Location>\n");
1139 }
1140
1141 if (!wrote_admin_location && remote_admin >= 0)
1142 {
1143 if (remote_admin)
1144 cupsFilePuts(temp, "# Allow remote administration...\n");
1145 else
1146 cupsFilePuts(temp, "# Restrict access to the admin pages...\n");
1147
1148 cupsFilePuts(temp, "<Location /admin>\n"
1149 " Order allow,deny\n");
1150
1151 if (remote_admin)
1152 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
1153
1154 cupsFilePuts(temp, "</Location>\n");
1155 }
1156
1157 if (!wrote_conf_location && remote_admin >= 0)
1158 {
1159 if (remote_admin)
1160 cupsFilePuts(temp,
1161 "# Allow remote access to the configuration files...\n");
1162 else
1163 cupsFilePuts(temp, "# Restrict access to the configuration files...\n");
1164
1165 cupsFilePuts(temp, "<Location /admin/conf>\n"
1166 " AuthType Default\n"
1167 " Require user @SYSTEM\n"
1168 " Order allow,deny\n");
1169
1170 if (remote_admin)
1171 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
1172
1173 cupsFilePuts(temp, "</Location>\n");
1174 }
1175
1176 if (!wrote_log_location && remote_admin >= 0)
1177 {
1178 if (remote_admin)
1179 cupsFilePuts(temp,
1180 "# Allow remote access to the log files...\n");
1181 else
1182 cupsFilePuts(temp, "# Restrict access to the log files...\n");
1183
1184 cupsFilePuts(temp, "<Location /admin/log>\n"
1185 " AuthType Default\n"
1186 " Require user @SYSTEM\n"
1187 " Order allow,deny\n");
1188
1189 if (remote_admin)
1190 cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL");
1191
1192 cupsFilePuts(temp, "</Location>\n");
1193 }
1194
1195 if (!wrote_policy && user_cancel_any >= 0)
1196 {
1197 cupsFilePuts(temp, "<Policy default>\n"
1198 " # Job-related operations must be done by the owner "
1199 "or an administrator...\n"
1200 " <Limit Send-Document Send-URI Hold-Job Release-Job "
1201 "Restart-Job Purge-Jobs Set-Job-Attributes "
1202 "Create-Job-Subscription Renew-Subscription "
1203 "Cancel-Subscription Get-Notifications Reprocess-Job "
1204 "Cancel-Current-Job Suspend-Current-Job Resume-Job "
1205 "CUPS-Move-Job>\n"
1206 " Require user @OWNER @SYSTEM\n"
1207 " Order deny,allow\n"
1208 " </Limit>\n"
1209 " # All administration operations require an "
1210 "administrator to authenticate...\n"
1211 " <Limit Pause-Printer Resume-Printer "
1212 "Set-Printer-Attributes Enable-Printer "
1213 "Disable-Printer Pause-Printer-After-Current-Job "
1214 "Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer "
1215 "Activate-Printer Restart-Printer Shutdown-Printer "
1216 "Startup-Printer Promote-Job Schedule-Job-After "
1217 "CUPS-Add-Printer CUPS-Delete-Printer "
1218 "CUPS-Add-Class CUPS-Delete-Class "
1219 "CUPS-Accept-Jobs CUPS-Reject-Jobs "
1220 "CUPS-Set-Default CUPS-Add-Device CUPS-Delete-Device>\n"
1221 " AuthType Default\n"
1222 " Require user @SYSTEM\n"
1223 " Order deny,allow\n"
1224 "</Limit>\n");
1225
1226 if (!user_cancel_any)
1227 cupsFilePuts(temp, " # Only the owner or an administrator can cancel "
1228 "a job...\n"
1229 " <Limit Cancel-Job>\n"
1230 " Order deny,allow\n"
1231 " Require user @OWNER "
1232 CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n"
1233 " </Limit>\n");
1234
1235 cupsFilePuts(temp, " <Limit All>\n"
1236 " Order deny,allow\n"
1237 " </Limit>\n"
1238 "</Policy>\n");
1239 }
1240
1241 for (i = num_settings, setting = settings; i > 0; i --, setting ++)
1242 if (setting->name[0] != '_' &&
1243 _cups_strcasecmp(setting->name, "Listen") &&
1244 _cups_strcasecmp(setting->name, "Port") &&
1245 !cupsGetOption(setting->name, cupsd_num_settings, cupsd_settings))
1246 {
1247 /*
1248 * Add this directive to the list of directives we have written...
1249 */
1250
1251 cupsd_num_settings = cupsAddOption(setting->name, setting->value,
1252 cupsd_num_settings, &cupsd_settings);
1253
1254 /*
1255 * Write the new value, without indentation since we only support
1256 * setting root directives, not in sections...
1257 */
1258
1259 cupsFilePrintf(temp, "%s %s\n", setting->name, setting->value);
1260 }
1261
1262 cupsFileClose(cupsd);
1263 cupsFileClose(temp);
1264
1265 /*
1266 * Upload the configuration file to the server...
1267 */
1268
1269 status = cupsPutFile(http, "/admin/conf/cupsd.conf", tempfile);
1270
1271 if (status == HTTP_STATUS_CREATED)
1272 {
1273 /*
1274 * Updated OK, add the basic settings...
1275 */
1276
1277 if (debug_logging >= 0)
1278 cupsd_num_settings = cupsAddOption(CUPS_SERVER_DEBUG_LOGGING,
1279 debug_logging ? "1" : "0",
1280 cupsd_num_settings, &cupsd_settings);
1281 else
1282 cupsd_num_settings = cupsAddOption(CUPS_SERVER_DEBUG_LOGGING,
1283 old_debug_logging ? "1" : "0",
1284 cupsd_num_settings, &cupsd_settings);
1285
1286 if (remote_admin >= 0)
1287 cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ADMIN,
1288 remote_admin ? "1" : "0",
1289 cupsd_num_settings, &cupsd_settings);
1290 else
1291 cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ADMIN,
1292 old_remote_admin ? "1" : "0",
1293 cupsd_num_settings, &cupsd_settings);
1294
1295 if (remote_any >= 0)
1296 cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ANY,
1297 remote_any ? "1" : "0",
1298 cupsd_num_settings, &cupsd_settings);
1299 else
1300 cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ANY,
1301 old_remote_any ? "1" : "0",
1302 cupsd_num_settings, &cupsd_settings);
1303
1304 if (share_printers >= 0)
1305 cupsd_num_settings = cupsAddOption(CUPS_SERVER_SHARE_PRINTERS,
1306 share_printers ? "1" : "0",
1307 cupsd_num_settings, &cupsd_settings);
1308 else
1309 cupsd_num_settings = cupsAddOption(CUPS_SERVER_SHARE_PRINTERS,
1310 old_share_printers ? "1" : "0",
1311 cupsd_num_settings, &cupsd_settings);
1312
1313 if (user_cancel_any >= 0)
1314 cupsd_num_settings = cupsAddOption(CUPS_SERVER_USER_CANCEL_ANY,
1315 user_cancel_any ? "1" : "0",
1316 cupsd_num_settings, &cupsd_settings);
1317 else
1318 cupsd_num_settings = cupsAddOption(CUPS_SERVER_USER_CANCEL_ANY,
1319 old_user_cancel_any ? "1" : "0",
1320 cupsd_num_settings, &cupsd_settings);
1321
1322 /*
1323 * Save the new values...
1324 */
1325
1326 invalidate_cupsd_cache(cg);
1327
1328 cg->cupsd_num_settings = cupsd_num_settings;
1329 cg->cupsd_settings = cupsd_settings;
1330 cg->cupsd_update = time(NULL);
1331
1332 httpGetHostname(http, cg->cupsd_hostname, sizeof(cg->cupsd_hostname));
1333 }
1334 else
1335 cupsFreeOptions(cupsd_num_settings, cupsd_settings);
1336
1337 /*
1338 * Remote our temp files and return...
1339 */
1340
1341 if (remote)
1342 unlink(cupsdconf);
1343
1344 unlink(tempfile);
1345
1346 return (status == HTTP_STATUS_CREATED);
1347 }
1348
1349
1350 /*
1351 * 'get_cupsd_conf()' - Get the current cupsd.conf file.
1352 */
1353
1354 static http_status_t /* O - Status of request */
get_cupsd_conf(http_t * http,_cups_globals_t * cg,time_t last_update,char * name,size_t namesize,int * remote)1355 get_cupsd_conf(
1356 http_t *http, /* I - Connection to server */
1357 _cups_globals_t *cg, /* I - Global data */
1358 time_t last_update, /* I - Last update time for file */
1359 char *name, /* I - Filename buffer */
1360 size_t namesize, /* I - Size of filename buffer */
1361 int *remote) /* O - Remote file? */
1362 {
1363 int fd; /* Temporary file descriptor */
1364 #ifndef _WIN32
1365 struct stat info; /* cupsd.conf file information */
1366 #endif /* _WIN32 */
1367 http_status_t status; /* Status of getting cupsd.conf */
1368 char host[HTTP_MAX_HOST]; /* Hostname for connection */
1369
1370
1371 /*
1372 * See if we already have the data we need...
1373 */
1374
1375 httpGetHostname(http, host, sizeof(host));
1376
1377 if (_cups_strcasecmp(cg->cupsd_hostname, host))
1378 invalidate_cupsd_cache(cg);
1379
1380 snprintf(name, namesize, "%s/cupsd.conf", cg->cups_serverroot);
1381 *remote = 0;
1382
1383 #ifndef _WIN32
1384 if (!_cups_strcasecmp(host, "localhost") && !access(name, R_OK))
1385 {
1386 /*
1387 * Read the local file rather than using HTTP...
1388 */
1389
1390 if (stat(name, &info))
1391 {
1392 char message[1024]; /* Message string */
1393
1394
1395 snprintf(message, sizeof(message),
1396 _cupsLangString(cupsLangDefault(), _("stat of %s failed: %s")),
1397 name, strerror(errno));
1398 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, message, 0);
1399
1400 *name = '\0';
1401
1402 return (HTTP_STATUS_SERVER_ERROR);
1403 }
1404 else if (last_update && info.st_mtime <= last_update)
1405 status = HTTP_STATUS_NOT_MODIFIED;
1406 else
1407 status = HTTP_STATUS_OK;
1408 }
1409 else
1410 #endif /* !_WIN32 */
1411 {
1412 /*
1413 * Read cupsd.conf via a HTTP GET request...
1414 */
1415
1416 if ((fd = cupsTempFd(name, (int)namesize)) < 0)
1417 {
1418 *name = '\0';
1419
1420 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
1421
1422 invalidate_cupsd_cache(cg);
1423
1424 return (HTTP_STATUS_SERVER_ERROR);
1425 }
1426
1427 *remote = 1;
1428
1429 httpClearFields(http);
1430
1431 if (last_update)
1432 httpSetField(http, HTTP_FIELD_IF_MODIFIED_SINCE,
1433 httpGetDateString(last_update));
1434
1435 status = cupsGetFd(http, "/admin/conf/cupsd.conf", fd);
1436
1437 close(fd);
1438
1439 if (status != HTTP_STATUS_OK)
1440 {
1441 unlink(name);
1442 *name = '\0';
1443 }
1444 }
1445
1446 return (status);
1447 }
1448
1449
1450 /*
1451 * 'invalidate_cupsd_cache()' - Invalidate the cached cupsd.conf settings.
1452 */
1453
1454 static void
invalidate_cupsd_cache(_cups_globals_t * cg)1455 invalidate_cupsd_cache(
1456 _cups_globals_t *cg) /* I - Global data */
1457 {
1458 cupsFreeOptions(cg->cupsd_num_settings, cg->cupsd_settings);
1459
1460 cg->cupsd_hostname[0] = '\0';
1461 cg->cupsd_update = 0;
1462 cg->cupsd_num_settings = 0;
1463 cg->cupsd_settings = NULL;
1464 }
1465