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[thirdparty/cups.git] / scheduler / conf.c
1 /*
2 * "$Id: conf.c 5663 2006-06-15 20:36:42Z mike $"
3 *
4 * Configuration routines for the Common UNIX Printing System (CUPS).
5 *
6 * Copyright 1997-2006 by Easy Software Products, all rights reserved.
7 *
8 * These coded instructions, statements, and computer programs are the
9 * property of Easy Software Products and are protected by Federal
10 * copyright law. Distribution and use rights are outlined in the file
11 * "LICENSE.txt" which should have been included with this file. If this
12 * file is missing or damaged please contact Easy Software Products
13 * at:
14 *
15 * Attn: CUPS Licensing Information
16 * Easy Software Products
17 * 44141 Airport View Drive, Suite 204
18 * Hollywood, Maryland 20636 USA
19 *
20 * Voice: (301) 373-9600
21 * EMail: cups-info@cups.org
22 * WWW: http://www.cups.org
23 *
24 * Contents:
25 *
26 * cupsdReadConfiguration() - Read the cupsd.conf file.
27 * check_permissions() - Fix the mode and ownership of a file or
28 * directory.
29 * get_address() - Get an address + port number from a line.
30 * get_addr_and_mask() - Get an IP address and netmask.
31 * parse_aaa() - Parse authentication, authorization, and
32 * access control lines.
33 * parse_groups() - Parse system group names in a string.
34 * parse_protocols() - Parse browse protocols in a string.
35 * read_configuration() - Read a configuration file.
36 * read_location() - Read a <Location path> definition.
37 * read_policy() - Read a <Policy name> definition.
38 */
39
40 /*
41 * Include necessary headers...
42 */
43
44 #include "cupsd.h"
45 #include <stdarg.h>
46 #include <grp.h>
47 #include <sys/utsname.h>
48 #include <cups/dir.h>
49
50 #ifdef HAVE_VSYSLOG
51 # include <syslog.h>
52 #endif /* HAVE_VSYSLOG */
53
54
55 /*
56 * Possibly missing network definitions...
57 */
58
59 #ifndef INADDR_NONE
60 # define INADDR_NONE 0xffffffff
61 #endif /* !INADDR_NONE */
62
63
64 /*
65 * Configuration variable structure...
66 */
67
68 typedef enum
69 {
70 CUPSD_VARTYPE_INTEGER, /* Integer option */
71 CUPSD_VARTYPE_STRING, /* String option */
72 CUPSD_VARTYPE_BOOLEAN /* Boolean option */
73 } cupsd_vartype_t;
74
75 typedef struct
76 {
77 char *name; /* Name of variable */
78 void *ptr; /* Pointer to variable */
79 cupsd_vartype_t type; /* Type (int, string, address) */
80 } cupsd_var_t;
81
82
83 /*
84 * Local globals...
85 */
86
87 static cupsd_var_t variables[] =
88 {
89 { "AccessLog", &AccessLog, CUPSD_VARTYPE_STRING },
90 { "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
91 { "BrowseInterval", &BrowseInterval, CUPSD_VARTYPE_INTEGER },
92 #ifdef HAVE_LDAP
93 { "BrowseLDAPBindDN", &BrowseLDAPBindDN, CUPSD_VARTYPE_STRING },
94 { "BrowseLDAPDN", &BrowseLDAPDN, CUPSD_VARTYPE_STRING },
95 { "BrowseLDAPPassword", &BrowseLDAPPassword, CUPSD_VARTYPE_STRING },
96 { "BrowseLDAPServer", &BrowseLDAPServer, CUPSD_VARTYPE_STRING },
97 #endif /* HAVE_LDAP */
98 { "BrowseLocalOptions", &BrowseLocalOptions, CUPSD_VARTYPE_STRING },
99 { "BrowsePort", &BrowsePort, CUPSD_VARTYPE_INTEGER },
100 { "BrowseRemoteOptions", &BrowseRemoteOptions, CUPSD_VARTYPE_STRING },
101 { "BrowseShortNames", &BrowseShortNames, CUPSD_VARTYPE_BOOLEAN },
102 { "BrowseTimeout", &BrowseTimeout, CUPSD_VARTYPE_INTEGER },
103 { "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
104 { "CacheDir", &CacheDir, CUPSD_VARTYPE_STRING },
105 { "Classification", &Classification, CUPSD_VARTYPE_STRING },
106 { "ClassifyOverride", &ClassifyOverride, CUPSD_VARTYPE_BOOLEAN },
107 { "ConfigFilePerm", &ConfigFilePerm, CUPSD_VARTYPE_INTEGER },
108 { "DataDir", &DataDir, CUPSD_VARTYPE_STRING },
109 { "DefaultCharset", &DefaultCharset, CUPSD_VARTYPE_STRING },
110 { "DefaultLanguage", &DefaultLanguage, CUPSD_VARTYPE_STRING },
111 { "DefaultLeaseDuration", &DefaultLeaseDuration, CUPSD_VARTYPE_INTEGER },
112 { "DefaultPolicy", &DefaultPolicy, CUPSD_VARTYPE_STRING },
113 { "DefaultShared", &DefaultShared, CUPSD_VARTYPE_BOOLEAN },
114 { "DocumentRoot", &DocumentRoot, CUPSD_VARTYPE_STRING },
115 { "ErrorLog", &ErrorLog, CUPSD_VARTYPE_STRING },
116 { "FileDevice", &FileDevice, CUPSD_VARTYPE_BOOLEAN },
117 { "FilterLimit", &FilterLimit, CUPSD_VARTYPE_INTEGER },
118 { "FilterNice", &FilterNice, CUPSD_VARTYPE_INTEGER },
119 { "FontPath", &FontPath, CUPSD_VARTYPE_STRING },
120 { "HideImplicitMembers", &HideImplicitMembers, CUPSD_VARTYPE_BOOLEAN },
121 { "ImplicitClasses", &ImplicitClasses, CUPSD_VARTYPE_BOOLEAN },
122 { "ImplicitAnyClasses", &ImplicitAnyClasses, CUPSD_VARTYPE_BOOLEAN },
123 { "JobRetryLimit", &JobRetryLimit, CUPSD_VARTYPE_INTEGER },
124 { "JobRetryInterval", &JobRetryInterval, CUPSD_VARTYPE_INTEGER },
125 { "KeepAliveTimeout", &KeepAliveTimeout, CUPSD_VARTYPE_INTEGER },
126 { "KeepAlive", &KeepAlive, CUPSD_VARTYPE_BOOLEAN },
127 { "LimitRequestBody", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
128 { "ListenBackLog", &ListenBackLog, CUPSD_VARTYPE_INTEGER },
129 { "LogFilePerm", &LogFilePerm, CUPSD_VARTYPE_INTEGER },
130 { "MaxActiveJobs", &MaxActiveJobs, CUPSD_VARTYPE_INTEGER },
131 { "MaxClients", &MaxClients, CUPSD_VARTYPE_INTEGER },
132 { "MaxClientsPerHost", &MaxClientsPerHost, CUPSD_VARTYPE_INTEGER },
133 { "MaxCopies", &MaxCopies, CUPSD_VARTYPE_INTEGER },
134 { "MaxEvents", &MaxEvents, CUPSD_VARTYPE_INTEGER },
135 { "MaxJobs", &MaxJobs, CUPSD_VARTYPE_INTEGER },
136 { "MaxJobsPerPrinter", &MaxJobsPerPrinter, CUPSD_VARTYPE_INTEGER },
137 { "MaxJobsPerUser", &MaxJobsPerUser, CUPSD_VARTYPE_INTEGER },
138 { "MaxLeaseDuration", &MaxLeaseDuration, CUPSD_VARTYPE_INTEGER },
139 { "MaxLogSize", &MaxLogSize, CUPSD_VARTYPE_INTEGER },
140 { "MaxPrinterHistory", &MaxPrinterHistory, CUPSD_VARTYPE_INTEGER },
141 { "MaxRequestSize", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
142 { "MaxSubscriptions", &MaxSubscriptions, CUPSD_VARTYPE_INTEGER },
143 { "MaxSubscriptionsPerJob", &MaxSubscriptionsPerJob, CUPSD_VARTYPE_INTEGER },
144 { "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
145 { "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
146 { "PageLog", &PageLog, CUPSD_VARTYPE_STRING },
147 { "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_BOOLEAN },
148 { "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_BOOLEAN },
149 { "Printcap", &Printcap, CUPSD_VARTYPE_STRING },
150 { "PrintcapGUI", &PrintcapGUI, CUPSD_VARTYPE_STRING },
151 { "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_INTEGER },
152 { "RemoteRoot", &RemoteRoot, CUPSD_VARTYPE_STRING },
153 { "RequestRoot", &RequestRoot, CUPSD_VARTYPE_STRING },
154 { "RIPCache", &RIPCache, CUPSD_VARTYPE_STRING },
155 { "RootCertDuration", &RootCertDuration, CUPSD_VARTYPE_INTEGER },
156 { "ServerAdmin", &ServerAdmin, CUPSD_VARTYPE_STRING },
157 { "ServerBin", &ServerBin, CUPSD_VARTYPE_STRING },
158 #ifdef HAVE_SSL
159 { "ServerCertificate", &ServerCertificate, CUPSD_VARTYPE_STRING },
160 # if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
161 { "ServerKey", &ServerKey, CUPSD_VARTYPE_STRING },
162 # endif /* HAVE_LIBSSL || HAVE_GNUTLS */
163 #endif /* HAVE_SSL */
164 #ifdef HAVE_LAUNCHD
165 { "LaunchdTimeout", &LaunchdTimeout, CUPSD_VARTYPE_INTEGER },
166 { "LaunchdConf", &LaunchdConf, CUPSD_VARTYPE_STRING },
167 #endif /* HAVE_LAUNCHD */
168 { "ServerName", &ServerName, CUPSD_VARTYPE_STRING },
169 { "ServerRoot", &ServerRoot, CUPSD_VARTYPE_STRING },
170 { "StateDir", &StateDir, CUPSD_VARTYPE_STRING },
171 { "TempDir", &TempDir, CUPSD_VARTYPE_STRING },
172 { "Timeout", &Timeout, CUPSD_VARTYPE_INTEGER },
173 { "UseNetworkDefault", &UseNetworkDefault, CUPSD_VARTYPE_BOOLEAN }
174 };
175 #define NUM_VARS (sizeof(variables) / sizeof(variables[0]))
176
177
178 static unsigned ones[4] =
179 {
180 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
181 };
182 static unsigned zeros[4] =
183 {
184 0x00000000, 0x00000000, 0x00000000, 0x00000000
185 };
186
187
188 /*
189 * Local functions...
190 */
191 static int check_permissions(const char *filename,
192 const char *suffix, int mode,
193 int user, int group, int is_dir,
194 int create_dir);
195 static http_addrlist_t *get_address(const char *value, int defport);
196 static int get_addr_and_mask(const char *value, unsigned *ip,
197 unsigned *mask);
198 static int parse_aaa(cupsd_location_t *loc, char *line,
199 char *value, int linenum);
200 static int parse_groups(const char *s);
201 static int parse_protocols(const char *s);
202 static int read_configuration(cups_file_t *fp);
203 static int read_location(cups_file_t *fp, char *name, int linenum);
204 static int read_policy(cups_file_t *fp, char *name, int linenum);
205
206
207 /*
208 * 'cupsdReadConfiguration()' - Read the cupsd.conf file.
209 */
210
211 int /* O - 1 on success, 0 otherwise */
212 cupsdReadConfiguration(void)
213 {
214 int i; /* Looping var */
215 cups_file_t *fp; /* Configuration file */
216 int status; /* Return status */
217 char temp[1024], /* Temporary buffer */
218 *slash; /* Directory separator */
219 cups_lang_t *language; /* Language */
220 struct passwd *user; /* Default user */
221 struct group *group; /* Default group */
222 char *old_serverroot, /* Old ServerRoot */
223 *old_requestroot; /* Old RequestRoot */
224 const char *tmpdir; /* TMPDIR environment variable */
225 struct stat tmpinfo; /* Temporary directory info */
226
227
228 /*
229 * Save the old root paths...
230 */
231
232 old_serverroot = NULL;
233 cupsdSetString(&old_serverroot, ServerRoot);
234 old_requestroot = NULL;
235 cupsdSetString(&old_requestroot, RequestRoot);
236
237 /*
238 * Reset the server configuration data...
239 */
240
241 cupsdDeleteAllLocations();
242
243 if (NumBrowsers > 0)
244 {
245 free(Browsers);
246 Browsers = NULL;
247
248 NumBrowsers = 0;
249 }
250
251 if (NumPolled > 0)
252 {
253 free(Polled);
254
255 NumPolled = 0;
256 }
257
258 if (NumRelays > 0)
259 {
260 for (i = 0; i < NumRelays; i ++)
261 if (Relays[i].from.type == AUTH_NAME)
262 free(Relays[i].from.mask.name.name);
263
264 free(Relays);
265
266 NumRelays = 0;
267 }
268
269 cupsdDeleteAllListeners();
270
271 /*
272 * String options...
273 */
274
275 cupsdSetString(&ServerName, httpGetHostname(NULL, temp, sizeof(temp)));
276 cupsdSetStringf(&ServerAdmin, "root@%s", temp);
277 cupsdSetString(&ServerBin, CUPS_SERVERBIN);
278 cupsdSetString(&RequestRoot, CUPS_REQUESTS);
279 cupsdSetString(&CacheDir, CUPS_CACHEDIR);
280 cupsdSetString(&DataDir, CUPS_DATADIR);
281 cupsdSetString(&DocumentRoot, CUPS_DOCROOT);
282 cupsdSetString(&AccessLog, CUPS_LOGDIR "/access_log");
283 cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
284 cupsdSetString(&PageLog, CUPS_LOGDIR "/page_log");
285 cupsdSetString(&Printcap, CUPS_DEFAULT_PRINTCAP);
286 cupsdSetString(&PrintcapGUI, "/usr/bin/glpoptions");
287 cupsdSetString(&FontPath, CUPS_FONTPATH);
288 cupsdSetString(&RemoteRoot, "remroot");
289 cupsdSetString(&ServerHeader, "CUPS/1.2");
290 cupsdSetString(&StateDir, CUPS_STATEDIR);
291
292 if (!strcmp(CUPS_DEFAULT_PRINTCAP, "/etc/printers.conf"))
293 PrintcapFormat = PRINTCAP_SOLARIS;
294 else
295 PrintcapFormat = PRINTCAP_BSD;
296
297 strlcpy(temp, ConfigurationFile, sizeof(temp));
298 if ((slash = strrchr(temp, '/')) != NULL)
299 *slash = '\0';
300
301 cupsdSetString(&ServerRoot, temp);
302
303 cupsdClearString(&Classification);
304 ClassifyOverride = 0;
305
306 #ifdef HAVE_SSL
307 # ifdef HAVE_CDSASSL
308 cupsdSetString(&ServerCertificate, "/Library/Keychains/System.keychain");
309 # else
310 cupsdSetString(&ServerCertificate, "ssl/server.crt");
311 cupsdSetString(&ServerKey, "ssl/server.key");
312 # endif /* HAVE_CDSASSL */
313 #endif /* HAVE_SSL */
314
315 language = cupsLangDefault();
316
317 if (!strcmp(language->language, "C") || !strcmp(language->language, "POSIX"))
318 cupsdSetString(&DefaultLanguage, "en");
319 else
320 cupsdSetString(&DefaultLanguage, language->language);
321
322 cupsdSetString(&DefaultCharset, _cupsEncodingName(language->encoding));
323
324 cupsdSetString(&RIPCache, "8m");
325
326 cupsdSetString(&TempDir, NULL);
327
328 /*
329 * Find the default user...
330 */
331
332 if ((user = getpwnam(CUPS_DEFAULT_USER)) != NULL)
333 User = user->pw_uid;
334 else
335 {
336 /*
337 * Use the (historical) NFS nobody user ID (-2 as a 16-bit twos-
338 * complement number...)
339 */
340
341 User = 65534;
342 }
343
344 endpwent();
345
346 /*
347 * Find the default group...
348 */
349
350 group = getgrnam(CUPS_DEFAULT_GROUP);
351 endgrent();
352
353 if (group)
354 Group = group->gr_gid;
355 else
356 {
357 /*
358 * Fallback to group "nobody"...
359 */
360
361 group = getgrnam("nobody");
362 endgrent();
363
364 if (group)
365 Group = group->gr_gid;
366 else
367 {
368 /*
369 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
370 * complement number...)
371 */
372
373 Group = 65534;
374 }
375 }
376
377 /*
378 * Numeric options...
379 */
380
381 ConfigFilePerm = CUPS_DEFAULT_CONFIG_FILE_PERM;
382 DefaultAuthType = AUTH_BASIC;
383 #ifdef HAVE_SSL
384 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
385 #endif /* HAVE_SSL */
386 JobRetryLimit = 5;
387 JobRetryInterval = 300;
388 FileDevice = FALSE;
389 FilterLevel = 0;
390 FilterLimit = 0;
391 FilterNice = 0;
392 HostNameLookups = FALSE;
393 ImplicitClasses = CUPS_DEFAULT_IMPLICIT_CLASSES;
394 ImplicitAnyClasses = FALSE;
395 HideImplicitMembers = TRUE;
396 KeepAlive = TRUE;
397 KeepAliveTimeout = DEFAULT_KEEPALIVE;
398 ListenBackLog = SOMAXCONN;
399 LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
400 LogLevel = CUPSD_LOG_ERROR;
401 MaxClients = 100;
402 MaxClientsPerHost = 0;
403 MaxLogSize = 1024 * 1024;
404 MaxPrinterHistory = 10;
405 MaxRequestSize = 0;
406 ReloadTimeout = 60;
407 RootCertDuration = 300;
408 Timeout = DEFAULT_TIMEOUT;
409 NumSystemGroups = 0;
410
411 BrowseInterval = DEFAULT_INTERVAL;
412 BrowsePort = ippPort();
413 BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
414 BrowseRemoteProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_REMOTE_PROTOCOLS);
415 BrowseShortNames = CUPS_DEFAULT_BROWSE_SHORT_NAMES;
416 BrowseTimeout = DEFAULT_TIMEOUT;
417 Browsing = CUPS_DEFAULT_BROWSING;
418 DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
419
420 cupsdClearString(&BrowseLocalOptions);
421 cupsdClearString(&BrowseRemoteOptions);
422
423 #ifdef HAVE_LDAP
424 cupsdClearString(&BrowseLDAPBindDN);
425 cupsdClearString(&BrowseLDAPDN);
426 cupsdClearString(&BrowseLDAPPassword);
427 cupsdClearString(&BrowseLDAPServer);
428 #endif /* HAVE_LDAP */
429
430 JobHistory = DEFAULT_HISTORY;
431 JobFiles = DEFAULT_FILES;
432 JobAutoPurge = 0;
433 MaxJobs = 500;
434 MaxActiveJobs = 0;
435 MaxJobsPerUser = 0;
436 MaxJobsPerPrinter = 0;
437 MaxCopies = 100;
438
439 cupsdDeleteAllPolicies();
440 cupsdClearString(&DefaultPolicy);
441
442 MaxSubscriptions = 100;
443 MaxSubscriptionsPerJob = 0;
444 MaxSubscriptionsPerPrinter = 0;
445 MaxSubscriptionsPerUser = 0;
446 DefaultLeaseDuration = 86400;
447 MaxLeaseDuration = 0;
448
449 #ifdef HAVE_LAUNCHD
450 LaunchdTimeout = DEFAULT_TIMEOUT + 10;
451 cupsdSetString(&LaunchdConf, CUPS_DEFAULT_LAUNCHD_CONF);
452 #endif /* HAVE_LAUNCHD */
453
454 /*
455 * Read the configuration file...
456 */
457
458 if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
459 return (0);
460
461 status = read_configuration(fp);
462
463 cupsFileClose(fp);
464
465 if (!status)
466 return (0);
467
468 RunUser = getuid();
469
470 /*
471 * Use the default system group if none was supplied in cupsd.conf...
472 */
473
474 if (NumSystemGroups == 0)
475 {
476 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS))
477 {
478 /*
479 * Find the group associated with GID 0...
480 */
481
482 group = getgrgid(0);
483 endgrent();
484
485 if (group != NULL)
486 cupsdSetString(&SystemGroups[0], group->gr_name);
487 else
488 cupsdSetString(&SystemGroups[0], "unknown");
489
490 SystemGroupIDs[0] = 0;
491 NumSystemGroups = 1;
492 }
493 }
494
495 /*
496 * Get the access control list for browsing...
497 */
498
499 BrowseACL = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL");
500
501 /*
502 * Open the system log for cupsd if necessary...
503 */
504
505 #ifdef HAVE_VSYSLOG
506 if (!strcmp(AccessLog, "syslog") ||
507 !strcmp(ErrorLog, "syslog") ||
508 !strcmp(PageLog, "syslog"))
509 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
510 #endif /* HAVE_VSYSLOG */
511
512 /*
513 * Log the configuration file that was used...
514 */
515
516 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
517 ConfigurationFile);
518
519 /*
520 * Validate the Group and SystemGroup settings - they cannot be the same,
521 * otherwise the CGI programs will be able to authenticate as root without
522 * a password!
523 */
524
525 if (!RunUser)
526 {
527 for (i = 0; i < NumSystemGroups; i ++)
528 if (Group == SystemGroupIDs[i])
529 break;
530
531 if (i < NumSystemGroups)
532 {
533 /*
534 * Log the error and reset the group to a safe value...
535 */
536
537 cupsdLogMessage(CUPSD_LOG_NOTICE,
538 "Group and SystemGroup cannot use the same groups!");
539 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
540
541 group = getgrnam("nobody");
542 endgrent();
543
544 if (group != NULL)
545 Group = group->gr_gid;
546 else
547 {
548 /*
549 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
550 * complement number...)
551 */
552
553 Group = 65534;
554 }
555 }
556 }
557
558 /*
559 * Check that we have at least one listen/port line; if not, report this
560 * as an error and exit!
561 */
562
563 if (cupsArrayCount(Listeners) == 0)
564 {
565 /*
566 * No listeners!
567 */
568
569 cupsdLogMessage(CUPSD_LOG_EMERG,
570 "No valid Listen or Port lines were found in the configuration file!");
571
572 /*
573 * Commit suicide...
574 */
575
576 cupsdEndProcess(getpid(), 0);
577 }
578
579 /*
580 * Set the default locale using the language and charset...
581 */
582
583 cupsdSetStringf(&DefaultLocale, "%s.%s", DefaultLanguage, DefaultCharset);
584
585 /*
586 * Update all relative filenames to include the full path from ServerRoot...
587 */
588
589 if (DocumentRoot[0] != '/')
590 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
591
592 if (RequestRoot[0] != '/')
593 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
594
595 if (ServerBin[0] != '/')
596 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
597
598 if (StateDir[0] != '/')
599 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
600
601 if (CacheDir[0] != '/')
602 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
603
604 #ifdef HAVE_SSL
605 if (ServerCertificate[0] != '/')
606 cupsdSetStringf(&ServerCertificate, "%s/%s", ServerRoot, ServerCertificate);
607
608 if (!strncmp(ServerRoot, ServerCertificate, strlen(ServerRoot)))
609 {
610 chown(ServerCertificate, RunUser, Group);
611 chmod(ServerCertificate, 0600);
612 }
613
614 # if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
615 if (ServerKey[0] != '/')
616 cupsdSetStringf(&ServerKey, "%s/%s", ServerRoot, ServerKey);
617
618 if (!strncmp(ServerRoot, ServerKey, strlen(ServerRoot)))
619 {
620 chown(ServerKey, RunUser, Group);
621 chmod(ServerKey, 0600);
622 }
623 # endif /* HAVE_LIBSSL || HAVE_GNUTLS */
624 #endif /* HAVE_SSL */
625
626 /*
627 * Make sure that directories and config files are owned and
628 * writable by the user and group in the cupsd.conf file...
629 */
630
631 check_permissions(CacheDir, NULL, 0775, RunUser, Group, 1, 1);
632 /* check_permissions(CacheDir, "ppd", 0755, RunUser, Group, 1, 1);*/
633
634 check_permissions(StateDir, NULL, 0755, RunUser, Group, 1, 1);
635 check_permissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
636 SystemGroupIDs[0], 1, 1);
637
638 check_permissions(ServerRoot, NULL, 0755, RunUser, Group, 1, 0);
639 check_permissions(ServerRoot, "ppd", 0755, RunUser, Group, 1, 1);
640 check_permissions(ServerRoot, "ssl", 0700, RunUser, Group, 1, 0);
641 check_permissions(ServerRoot, "cupsd.conf", ConfigFilePerm, RunUser, Group,
642 0, 0);
643 check_permissions(ServerRoot, "classes.conf", 0600, RunUser, Group, 0, 0);
644 check_permissions(ServerRoot, "printers.conf", 0600, RunUser, Group, 0, 0);
645 check_permissions(ServerRoot, "passwd.md5", 0600, User, Group, 0, 0);
646
647 /*
648 * Update TempDir to the default if it hasn't been set already...
649 */
650
651 if (!TempDir)
652 {
653 if ((tmpdir = getenv("TMPDIR")) != NULL)
654 {
655 /*
656 * TMPDIR is defined, see if it is OK for us to use...
657 */
658
659 if (stat(tmpdir, &tmpinfo))
660 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
661 tmpdir, strerror(errno));
662 else if (!S_ISDIR(tmpinfo.st_mode))
663 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory!",
664 tmpdir);
665 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
666 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
667 !(tmpinfo.st_mode & S_IWOTH))
668 cupsdLogMessage(CUPSD_LOG_ERROR,
669 "TMPDIR (%s) has the wrong permissions!", tmpdir);
670 else
671 cupsdSetString(&TempDir, tmpdir);
672
673 if (!TempDir)
674 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
675 RequestRoot);
676 }
677
678 if (!TempDir)
679 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
680 }
681
682 /*
683 * Make sure the request and temporary directories have the right
684 * permissions...
685 */
686
687 check_permissions(RequestRoot, NULL, 0710, RunUser, Group, 1, 1);
688
689 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
690 access(TempDir, 0))
691 {
692 /*
693 * Update ownership and permissions if the CUPS temp directory
694 * is under the spool directory or does not exist...
695 */
696
697 check_permissions(TempDir, NULL, 01770, RunUser, Group, 1, 1);
698 }
699
700 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
701 {
702 /*
703 * Clean out the temporary directory...
704 */
705
706 cups_dir_t *dir; /* Temporary directory */
707 cups_dentry_t *dent; /* Directory entry */
708 char tempfile[1024]; /* Temporary filename */
709
710
711 if ((dir = cupsDirOpen(TempDir)) != NULL)
712 {
713 cupsdLogMessage(CUPSD_LOG_INFO,
714 "Cleaning out old temporary files in \"%s\"...", TempDir);
715
716 while ((dent = cupsDirRead(dir)) != NULL)
717 {
718 snprintf(tempfile, sizeof(tempfile), "%s/%s", TempDir, dent->filename);
719
720 if (unlink(tempfile))
721 cupsdLogMessage(CUPSD_LOG_ERROR,
722 "Unable to remove temporary file \"%s\" - %s",
723 tempfile, strerror(errno));
724 else
725 cupsdLogMessage(CUPSD_LOG_DEBUG, "Removed temporary file \"%s\"...",
726 tempfile);
727 }
728
729 cupsDirClose(dir);
730 }
731 else
732 cupsdLogMessage(CUPSD_LOG_ERROR,
733 "Unable to open temporary directory \"%s\" - %s",
734 TempDir, strerror(errno));
735 }
736
737 /*
738 * Setup environment variables...
739 */
740
741 cupsdInitEnv();
742
743 /*
744 * Check the MaxClients setting, and then allocate memory for it...
745 */
746
747 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
748 {
749 if (MaxClients > 0)
750 cupsdLogMessage(CUPSD_LOG_INFO, "MaxClients limited to 1/3 (%d) of the file descriptor limit (%d)...",
751 MaxFDs / 3, MaxFDs);
752
753 MaxClients = MaxFDs / 3;
754 }
755
756 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
757 MaxClients);
758
759 /*
760 * Check the MaxActiveJobs setting; limit to 1/3 the available
761 * file descriptors, since we need a pipe for each job...
762 */
763
764 if (MaxActiveJobs > (MaxFDs / 3))
765 MaxActiveJobs = MaxFDs / 3;
766
767 if (Classification && strcasecmp(Classification, "none") == 0)
768 cupsdClearString(&Classification);
769
770 if (Classification)
771 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
772
773 /*
774 * Update the MaxClientsPerHost value, as needed...
775 */
776
777 if (MaxClientsPerHost <= 0)
778 MaxClientsPerHost = MaxClients;
779
780 if (MaxClientsPerHost > MaxClients)
781 MaxClientsPerHost = MaxClients;
782
783 cupsdLogMessage(CUPSD_LOG_INFO,
784 "Allowing up to %d client connections per host.",
785 MaxClientsPerHost);
786
787 /*
788 * Update the default policy, as needed...
789 */
790
791 if (DefaultPolicy)
792 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
793 else
794 DefaultPolicyPtr = NULL;
795
796 if (!DefaultPolicyPtr)
797 {
798 cupsd_policy_t *p; /* New policy */
799 cupsd_location_t *po; /* New policy operation */
800
801
802 if (DefaultPolicy)
803 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found!",
804 DefaultPolicy);
805
806 cupsdSetString(&DefaultPolicy, "default");
807
808 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
809 cupsdLogMessage(CUPSD_LOG_INFO,
810 "Using policy \"default\" as the default!");
811 else
812 {
813 cupsdLogMessage(CUPSD_LOG_INFO,
814 "Creating CUPS default administrative policy:");
815
816 DefaultPolicyPtr = p = cupsdAddPolicy("default");
817
818 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
819 cupsdLogMessage(CUPSD_LOG_INFO,
820 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
821 "Release-Job Restart-Job Purge-Jobs "
822 "Set-Job-Attributes Create-Job-Subscription "
823 "Renew-Subscription Cancel-Subscription "
824 "Get-Notifications Reprocess-Job Cancel-Current-Job "
825 "Suspend-Current-Job Resume-Job CUPS-Move-Job "
826 "CUPS-Authenticate-Job>");
827 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
828
829 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
830 po->order_type = AUTH_ALLOW;
831 po->level = AUTH_USER;
832
833 cupsdAddName(po, "@OWNER");
834 cupsdAddName(po, "@SYSTEM");
835 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
836
837 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
838 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
839 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
840 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
841 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
842 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
843 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
844 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
845 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
846 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
847 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
848 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
849 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
850 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
851 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
852 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
853 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
854
855 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
856
857 cupsdLogMessage(CUPSD_LOG_INFO,
858 "<Limit Pause-Printer Resume-Printer "
859 "Set-Printer-Attributes Enable-Printer "
860 "Disable-Printer Pause-Printer-After-Current-Job "
861 "Hold-New-Jobs Release-Held-New-Jobs "
862 "Deactivate-Printer Activate-Printer Restart-Printer "
863 "Shutdown-Printer Startup-Printer Promote-Job "
864 "Schedule-Job-After CUPS-Add-Printer "
865 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
866 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
867 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
868 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Basic");
869
870 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
871 po->order_type = AUTH_ALLOW;
872 po->type = AUTH_BASIC;
873 po->level = AUTH_USER;
874
875 cupsdAddName(po, "@SYSTEM");
876 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
877
878 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
879 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
880 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
881 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
882 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
883 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
884 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
885 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
886 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
887 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
888 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
889 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
890 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
891 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
892 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
893 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
894 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
895 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
896 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
897 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
898 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
899
900 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
901
902 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
903 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
904
905 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
906 po->order_type = AUTH_ALLOW;
907
908 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
909 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
910 }
911 }
912
913 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
914 NumPolicies);
915 for (i = 0; i < NumPolicies; i ++)
916 cupsdLogMessage(CUPSD_LOG_DEBUG2,
917 "cupsdReadConfiguration: Policies[%d]=\"%s\"", i,
918 Policies[i]->name);
919
920 /*
921 * If we are doing a full reload or the server root has changed, flush
922 * the jobs, printers, etc. and start from scratch...
923 */
924
925 if (NeedReload == RELOAD_ALL ||
926 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
927 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
928 {
929 mime_type_t *type; /* Current type */
930 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
931 /* MIME type name */
932
933
934 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
935
936 /*
937 * Free all memory...
938 */
939
940 cupsdDeleteAllSubscriptions();
941 cupsdFreeAllJobs();
942 cupsdDeleteAllClasses();
943 cupsdDeleteAllPrinters();
944
945 DefaultPrinter = NULL;
946
947 if (MimeDatabase != NULL)
948 mimeDelete(MimeDatabase);
949
950 if (NumMimeTypes)
951 {
952 for (i = 0; i < NumMimeTypes; i ++)
953 _cupsStrFree(MimeTypes[i]);
954
955 free(MimeTypes);
956 }
957
958 /*
959 * Read the MIME type and conversion database...
960 */
961
962 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
963
964 MimeDatabase = mimeLoad(ServerRoot, temp);
965
966 if (!MimeDatabase)
967 {
968 cupsdLogMessage(CUPSD_LOG_EMERG,
969 "Unable to load MIME database from \'%s\'!", ServerRoot);
970 exit(errno);
971 }
972
973 cupsdLogMessage(CUPSD_LOG_INFO,
974 "Loaded MIME database from \'%s\': %d types, %d filters...",
975 ServerRoot, mimeNumTypes(MimeDatabase),
976 mimeNumFilters(MimeDatabase));
977
978 /*
979 * Create a list of MIME types for the document-format-supported
980 * attribute...
981 */
982
983 NumMimeTypes = mimeNumTypes(MimeDatabase);
984 if (!mimeType(MimeDatabase, "application", "octet-stream"))
985 NumMimeTypes ++;
986
987 MimeTypes = calloc(NumMimeTypes, sizeof(const char *));
988
989 for (i = 0, type = mimeFirstType(MimeDatabase);
990 type;
991 i ++, type = mimeNextType(MimeDatabase))
992 {
993 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
994
995 MimeTypes[i] = _cupsStrAlloc(mimetype);
996 }
997
998 if (i < NumMimeTypes)
999 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
1000
1001 if (LogLevel == CUPSD_LOG_DEBUG2)
1002 {
1003 mime_filter_t *filter; /* Current filter */
1004
1005
1006 for (type = mimeFirstType(MimeDatabase);
1007 type;
1008 type = mimeNextType(MimeDatabase))
1009 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1010 type->super, type->type);
1011
1012 for (filter = mimeFirstFilter(MimeDatabase);
1013 filter;
1014 filter = mimeNextFilter(MimeDatabase))
1015 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1016 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1017 filter->src->super, filter->src->type,
1018 filter->dst->super, filter->dst->type,
1019 filter->cost, filter->filter);
1020 }
1021
1022 /*
1023 * Load banners...
1024 */
1025
1026 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1027 cupsdLoadBanners(temp);
1028
1029 /*
1030 * Load printers and classes...
1031 */
1032
1033 cupsdLoadAllPrinters();
1034 cupsdLoadAllClasses();
1035 cupsdLoadRemoteCache();
1036 cupsdWritePrintcap();
1037
1038 cupsdCreateCommonData();
1039
1040 /*
1041 * Load queued jobs...
1042 */
1043
1044 cupsdLoadAllJobs();
1045
1046 /*
1047 * Load subscriptions...
1048 */
1049
1050 cupsdLoadAllSubscriptions();
1051
1052 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1053 }
1054 else
1055 {
1056 /*
1057 * Not a full reload, so recreate the common printer attributes...
1058 */
1059
1060 cupsdCreateCommonData();
1061
1062 /*
1063 * Update all printers as needed...
1064 */
1065
1066 cupsdUpdatePrinters();
1067 cupsdWritePrintcap();
1068
1069 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1070 }
1071
1072 /*
1073 * Reset the reload state...
1074 */
1075
1076 NeedReload = RELOAD_NONE;
1077
1078 cupsdClearString(&old_serverroot);
1079 cupsdClearString(&old_requestroot);
1080
1081 return (1);
1082 }
1083
1084
1085 /*
1086 * 'check_permissions()' - Fix the mode and ownership of a file or directory.
1087 */
1088
1089 static int /* O - 0 on success, -1 on error */
1090 check_permissions(const char *filename, /* I - File/directory name */
1091 const char *suffix, /* I - Additional file/directory name */
1092 int mode, /* I - Permissions */
1093 int user, /* I - Owner */
1094 int group, /* I - Group */
1095 int is_dir, /* I - 1 = directory, 0 = file */
1096 int create_dir)/* I - 1 = create directory, 0 = not */
1097 {
1098 int dir_created = 0; /* Did we create a directory? */
1099 char pathname[1024]; /* File name with prefix */
1100 struct stat fileinfo; /* Stat buffer */
1101
1102
1103 /*
1104 * Prepend the given root to the filename before testing it...
1105 */
1106
1107 if (suffix)
1108 {
1109 snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
1110 filename = pathname;
1111 }
1112
1113 /*
1114 * See if we can stat the file/directory...
1115 */
1116
1117 if (stat(filename, &fileinfo))
1118 {
1119 if (errno == ENOENT && create_dir)
1120 {
1121 cupsdLogMessage(CUPSD_LOG_ERROR, "Creating missing directory \"%s\"",
1122 filename);
1123
1124 if (mkdir(filename, mode))
1125 {
1126 cupsdLogMessage(CUPSD_LOG_ERROR,
1127 "Unable to create directory \"%s\" - %s", filename,
1128 strerror(errno));
1129 return (-1);
1130 }
1131
1132 dir_created = 1;
1133 }
1134 else
1135 return (-1);
1136 }
1137
1138 /*
1139 * Make sure it's a regular file...
1140 */
1141
1142 if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
1143 {
1144 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file!", filename);
1145 return (-1);
1146 }
1147
1148 if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
1149 {
1150 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory!", filename);
1151 return (-1);
1152 }
1153
1154 /*
1155 * Fix owner, group, and mode as needed...
1156 */
1157
1158 if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
1159 {
1160 cupsdLogMessage(CUPSD_LOG_WARN, "Repairing ownership of \"%s\"", filename);
1161
1162 if (chown(filename, user, group))
1163 {
1164 cupsdLogMessage(CUPSD_LOG_ERROR,
1165 "Unable to change ownership of \"%s\" - %s", filename,
1166 strerror(errno));
1167 return (-1);
1168 }
1169 }
1170
1171 if (dir_created || (fileinfo.st_mode & 07777) != mode)
1172 {
1173 cupsdLogMessage(CUPSD_LOG_WARN, "Repairing access permissions of \"%s\"", filename);
1174
1175 if (chmod(filename, mode))
1176 {
1177 cupsdLogMessage(CUPSD_LOG_ERROR,
1178 "Unable to change permissions of \"%s\" - %s", filename,
1179 strerror(errno));
1180 return (-1);
1181 }
1182 }
1183
1184 /*
1185 * Everything is OK...
1186 */
1187
1188 return (0);
1189 }
1190
1191
1192 /*
1193 * 'get_address()' - Get an address + port number from a line.
1194 */
1195
1196 static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
1197 get_address(const char *value, /* I - Value string */
1198 int defport) /* I - Default port */
1199 {
1200 char buffer[1024], /* Hostname + port number buffer */
1201 defpname[255], /* Default port name */
1202 *hostname, /* Hostname or IP */
1203 *portname; /* Port number or name */
1204 http_addrlist_t *addrlist; /* Address list */
1205
1206
1207 /*
1208 * Check for an empty value...
1209 */
1210
1211 if (!*value)
1212 {
1213 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address!");
1214 return (NULL);
1215 }
1216
1217 /*
1218 * Grab a hostname and port number; if there is no colon and the port name
1219 * is only digits, then we have a port number by itself...
1220 */
1221
1222 strlcpy(buffer, value, sizeof(buffer));
1223
1224 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1225 {
1226 *portname++ = '\0';
1227 hostname = buffer;
1228 }
1229 else
1230 {
1231 for (portname = buffer; isdigit(*portname & 255); portname ++);
1232
1233 if (*portname)
1234 {
1235 /*
1236 * Use the default port...
1237 */
1238
1239 sprintf(defpname, "%d", defport);
1240 portname = defpname;
1241 hostname = buffer;
1242 }
1243 else
1244 {
1245 /*
1246 * The buffer contains just a port number...
1247 */
1248
1249 portname = buffer;
1250 hostname = NULL;
1251 }
1252 }
1253
1254 if (hostname && !strcmp(hostname, "*"))
1255 hostname = NULL;
1256
1257 /*
1258 * Now lookup the address using httpAddrGetList()...
1259 */
1260
1261 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1262 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed!",
1263 hostname ? hostname : "(nil)");
1264
1265 return (addrlist);
1266 }
1267
1268
1269 /*
1270 * 'get_addr_and_mask()' - Get an IP address and netmask.
1271 */
1272
1273 static int /* O - 1 on success, 0 on failure */
1274 get_addr_and_mask(const char *value, /* I - String from config file */
1275 unsigned *ip, /* O - Address value */
1276 unsigned *mask) /* O - Mask value */
1277 {
1278 int i, j, /* Looping vars */
1279 family, /* Address family */
1280 ipcount; /* Count of fields in address */
1281 unsigned ipval; /* Value */
1282 const char *maskval, /* Pointer to start of mask value */
1283 *ptr, /* Pointer into value */
1284 *ptr2; /* ... */
1285
1286
1287 /*
1288 * Get the address...
1289 */
1290
1291 ip[0] = ip[1] = ip[2] = ip[2] = 0x00000000;
1292 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
1293
1294 if ((maskval = strchr(value, '/')) != NULL)
1295 maskval ++;
1296 else
1297 maskval = value + strlen(value);
1298
1299 #ifdef AF_INET6
1300 /*
1301 * Check for an IPv6 address...
1302 */
1303
1304 if (*value == '[')
1305 {
1306 /*
1307 * Parse hexadecimal IPv6 address...
1308 */
1309
1310 family = AF_INET6;
1311
1312 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1313 {
1314 if (*ptr == ']')
1315 break;
1316 else if (!strncmp(ptr, "::", 2))
1317 {
1318 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1319 ptr2;
1320 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1321
1322 i = 7 - j;
1323 ptr ++;
1324 }
1325 else if (isxdigit(*ptr & 255))
1326 {
1327 ipval = strtoul(ptr, (char **)&ptr, 16);
1328
1329 if (ipval > 0xffff)
1330 return (0);
1331
1332 if (i & 1)
1333 ip[i / 2] |= ipval;
1334 else
1335 ip[i / 2] |= ipval << 16;
1336 }
1337 else
1338 return (0);
1339
1340 while (*ptr == ':')
1341 ptr ++;
1342 }
1343
1344 if (*ptr != ']')
1345 return (0);
1346
1347 ptr ++;
1348
1349 if (*ptr && *ptr != '/')
1350 return (0);
1351 }
1352 else
1353 #endif /* AF_INET6 */
1354 {
1355 /*
1356 * Parse dotted-decimal IPv4 address...
1357 */
1358
1359 unsigned val[4]; /* IPv4 address values */
1360
1361
1362 family = AF_INET;
1363 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1364
1365 /*
1366 * Range check the IP numbers...
1367 */
1368
1369 for (i = 0; i < ipcount; i ++)
1370 if (val[i] > 255)
1371 return (0);
1372
1373 /*
1374 * Make sure the trailing values are zeroed, as some C libraries like
1375 * glibc apparently like to fill the unused arguments with garbage...
1376 */
1377
1378 for (i = ipcount; i < 4; i ++)
1379 val[i] = 0;
1380
1381 /*
1382 * Merge everything into a 32-bit IPv4 address in ip[3]...
1383 */
1384
1385 ip[3] = (((((val[0] << 8) | val[1]) << 8) | val[2]) << 8) | val[3];
1386
1387 if (ipcount < 4)
1388 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1389 }
1390
1391 if (*maskval)
1392 {
1393 /*
1394 * Get the netmask value(s)...
1395 */
1396
1397 memset(mask, 0, sizeof(unsigned) * 4);
1398
1399 if (strchr(maskval, '.'))
1400 {
1401 /*
1402 * Get dotted-decimal mask...
1403 */
1404
1405 if (family != AF_INET)
1406 return (0);
1407
1408 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2, mask + 3) != 4)
1409 return (0);
1410
1411 mask[3] |= ((((mask[0] << 8) | mask[1]) << 8) | mask[2]) << 8;
1412 mask[0] = mask[1] = mask[2] = 0;
1413 }
1414 else
1415 {
1416 /*
1417 * Get address/bits format...
1418 */
1419
1420 i = atoi(maskval);
1421
1422 #ifdef AF_INET6
1423 if (family == AF_INET6)
1424 {
1425 if (i > 128)
1426 return (0);
1427
1428 i = 128 - i;
1429
1430 if (i <= 96)
1431 mask[0] = 0xffffffff;
1432 else
1433 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1434
1435 if (i <= 64)
1436 mask[1] = 0xffffffff;
1437 else if (i >= 96)
1438 mask[1] = 0;
1439 else
1440 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1441
1442 if (i <= 32)
1443 mask[2] = 0xffffffff;
1444 else if (i >= 64)
1445 mask[2] = 0;
1446 else
1447 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1448
1449 if (i == 0)
1450 mask[3] = 0xffffffff;
1451 else if (i >= 32)
1452 mask[3] = 0;
1453 else
1454 mask[3] = (0xffffffff << i) & 0xffffffff;
1455 }
1456 else
1457 #endif /* AF_INET6 */
1458 {
1459 if (i > 32)
1460 return (0);
1461
1462 mask[0] = 0xffffffff;
1463 mask[1] = 0xffffffff;
1464 mask[2] = 0xffffffff;
1465
1466 if (i < 32)
1467 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
1468 else
1469 mask[3] = 0xffffffff;
1470 }
1471 }
1472 }
1473
1474 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1475 "get_addr_and_mask(value=\"%s\", "
1476 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x]",
1477 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
1478 mask[3]);
1479
1480 /*
1481 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
1482 */
1483
1484 if ((ip[0] & ~mask[0]) != 0 ||
1485 (ip[1] & ~mask[1]) != 0 ||
1486 (ip[2] & ~mask[2]) != 0 ||
1487 (ip[3] & ~mask[3]) != 0)
1488 return (0);
1489
1490 return (1);
1491 }
1492
1493
1494 /*
1495 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
1496 */
1497
1498 static int /* O - 1 on success, 0 on failure */
1499 parse_aaa(cupsd_location_t *loc, /* I - Location */
1500 char *line, /* I - Line from file */
1501 char *value, /* I - Start of value data */
1502 int linenum) /* I - Current line number */
1503 {
1504 char *valptr; /* Pointer into value */
1505 unsigned ip[4], /* IP address components */
1506 mask[4]; /* IP netmask components */
1507
1508
1509 if (!strcasecmp(line, "Encryption"))
1510 {
1511 /*
1512 * "Encryption xxx" - set required encryption level...
1513 */
1514
1515 if (!strcasecmp(value, "never"))
1516 loc->encryption = HTTP_ENCRYPT_NEVER;
1517 else if (!strcasecmp(value, "always"))
1518 {
1519 cupsdLogMessage(CUPSD_LOG_ERROR,
1520 "Encryption value \"%s\" on line %d is invalid in this "
1521 "context. Using \"required\" instead.", value, linenum);
1522
1523 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1524 }
1525 else if (!strcasecmp(value, "required"))
1526 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1527 else if (!strcasecmp(value, "ifrequested"))
1528 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
1529 else
1530 {
1531 cupsdLogMessage(CUPSD_LOG_ERROR,
1532 "Unknown Encryption value %s on line %d.", value, linenum);
1533 return (0);
1534 }
1535 }
1536 else if (!strcasecmp(line, "Order"))
1537 {
1538 /*
1539 * "Order Deny,Allow" or "Order Allow,Deny"...
1540 */
1541
1542 if (!strncasecmp(value, "deny", 4))
1543 loc->order_type = AUTH_ALLOW;
1544 else if (!strncasecmp(value, "allow", 5))
1545 loc->order_type = AUTH_DENY;
1546 else
1547 {
1548 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d.",
1549 value, linenum);
1550 return (0);
1551 }
1552 }
1553 else if (!strcasecmp(line, "Allow") || !strcasecmp(line, "Deny"))
1554 {
1555 /*
1556 * Allow [From] host/ip...
1557 * Deny [From] host/ip...
1558 */
1559
1560 if (!strncasecmp(value, "from", 4))
1561 {
1562 /*
1563 * Strip leading "from"...
1564 */
1565
1566 value += 4;
1567
1568 while (isspace(*value & 255))
1569 value ++;
1570 }
1571
1572 /*
1573 * Figure out what form the allow/deny address takes:
1574 *
1575 * All
1576 * None
1577 * *.domain.com
1578 * .domain.com
1579 * host.domain.com
1580 * nnn.*
1581 * nnn.nnn.*
1582 * nnn.nnn.nnn.*
1583 * nnn.nnn.nnn.nnn
1584 * nnn.nnn.nnn.nnn/mm
1585 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
1586 */
1587
1588 if (!strcasecmp(value, "all"))
1589 {
1590 /*
1591 * All hosts...
1592 */
1593
1594 if (!strcasecmp(line, "Allow"))
1595 cupsdAllowIP(loc, zeros, zeros);
1596 else
1597 cupsdDenyIP(loc, zeros, zeros);
1598 }
1599 else if (!strcasecmp(value, "none"))
1600 {
1601 /*
1602 * No hosts...
1603 */
1604
1605 if (!strcasecmp(line, "Allow"))
1606 cupsdAllowIP(loc, ones, zeros);
1607 else
1608 cupsdDenyIP(loc, ones, zeros);
1609 }
1610 #ifdef AF_INET6
1611 else if (value[0] == '*' || value[0] == '.' ||
1612 (!isdigit(value[0] & 255) && value[0] != '['))
1613 #else
1614 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
1615 #endif /* AF_INET6 */
1616 {
1617 /*
1618 * Host or domain name...
1619 */
1620
1621 if (value[0] == '*')
1622 value ++;
1623
1624 if (!strcasecmp(line, "Allow"))
1625 cupsdAllowHost(loc, value);
1626 else
1627 cupsdDenyHost(loc, value);
1628 }
1629 else
1630 {
1631 /*
1632 * One of many IP address forms...
1633 */
1634
1635 if (!get_addr_and_mask(value, ip, mask))
1636 {
1637 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
1638 value, linenum);
1639 return (0);
1640 }
1641
1642 if (!strcasecmp(line, "Allow"))
1643 cupsdAllowIP(loc, ip, mask);
1644 else
1645 cupsdDenyIP(loc, ip, mask);
1646 }
1647 }
1648 else if (!strcasecmp(line, "AuthType"))
1649 {
1650 /*
1651 * AuthType {none,basic,digest,basicdigest}
1652 */
1653
1654 if (!strcasecmp(value, "none"))
1655 {
1656 loc->type = AUTH_NONE;
1657 loc->level = AUTH_ANON;
1658 }
1659 else if (!strcasecmp(value, "basic"))
1660 {
1661 loc->type = AUTH_BASIC;
1662
1663 if (loc->level == AUTH_ANON)
1664 loc->level = AUTH_USER;
1665 }
1666 else if (!strcasecmp(value, "digest"))
1667 {
1668 loc->type = AUTH_DIGEST;
1669
1670 if (loc->level == AUTH_ANON)
1671 loc->level = AUTH_USER;
1672 }
1673 else if (!strcasecmp(value, "basicdigest"))
1674 {
1675 loc->type = AUTH_BASICDIGEST;
1676
1677 if (loc->level == AUTH_ANON)
1678 loc->level = AUTH_USER;
1679 }
1680 else
1681 {
1682 cupsdLogMessage(CUPSD_LOG_WARN,
1683 "Unknown authorization type %s on line %d.",
1684 value, linenum);
1685 return (0);
1686 }
1687 }
1688 else if (!strcasecmp(line, "AuthClass"))
1689 {
1690 /*
1691 * AuthClass anonymous, user, system, group
1692 */
1693
1694 if (!strcasecmp(value, "anonymous"))
1695 {
1696 loc->type = AUTH_NONE;
1697 loc->level = AUTH_ANON;
1698
1699 cupsdLogMessage(CUPSD_LOG_WARN,
1700 "\"AuthClass %s\" is deprecated; consider removing "
1701 "it from line %d.",
1702 value, linenum);
1703 }
1704 else if (!strcasecmp(value, "user"))
1705 {
1706 loc->level = AUTH_USER;
1707
1708 cupsdLogMessage(CUPSD_LOG_WARN,
1709 "\"AuthClass %s\" is deprecated; consider using "
1710 "\"Require valid-user\" on line %d.",
1711 value, linenum);
1712 }
1713 else if (!strcasecmp(value, "group"))
1714 {
1715 loc->level = AUTH_GROUP;
1716
1717 cupsdLogMessage(CUPSD_LOG_WARN,
1718 "\"AuthClass %s\" is deprecated; consider using "
1719 "\"Require @groupname\" on line %d.",
1720 value, linenum);
1721 }
1722 else if (!strcasecmp(value, "system"))
1723 {
1724 loc->level = AUTH_GROUP;
1725
1726 cupsdAddName(loc, "@SYSTEM");
1727
1728 cupsdLogMessage(CUPSD_LOG_WARN,
1729 "\"AuthClass %s\" is deprecated; consider using "
1730 "\"Require @SYSTEM\" on line %d.",
1731 value, linenum);
1732 }
1733 else
1734 {
1735 cupsdLogMessage(CUPSD_LOG_WARN,
1736 "Unknown authorization class %s on line %d.",
1737 value, linenum);
1738 return (0);
1739 }
1740 }
1741 else if (!strcasecmp(line, "AuthGroupName"))
1742 {
1743 cupsdAddName(loc, value);
1744
1745 cupsdLogMessage(CUPSD_LOG_WARN,
1746 "\"AuthGroupName %s\" directive is deprecated; consider "
1747 "using \"Require @%s\" on line %d.",
1748 value, value, linenum);
1749 }
1750 else if (!strcasecmp(line, "Require"))
1751 {
1752 /*
1753 * Apache synonym for AuthClass and AuthGroupName...
1754 *
1755 * Get initial word:
1756 *
1757 * Require valid-user
1758 * Require group names
1759 * Require user names
1760 */
1761
1762 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1763
1764 if (*valptr)
1765 *valptr++ = '\0';
1766
1767 if (!strcasecmp(value, "valid-user") ||
1768 !strcasecmp(value, "user"))
1769 loc->level = AUTH_USER;
1770 else if (!strcasecmp(value, "group"))
1771 loc->level = AUTH_GROUP;
1772 else
1773 {
1774 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d.",
1775 value, linenum);
1776 return (0);
1777 }
1778
1779 /*
1780 * Get the list of names from the line...
1781 */
1782
1783 for (value = valptr; *value;)
1784 {
1785 while (isspace(*value & 255))
1786 value ++;
1787
1788 if (*value == '\"' || *value == '\'')
1789 {
1790 /*
1791 * Grab quoted name...
1792 */
1793
1794 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
1795
1796 value ++;
1797 }
1798 else
1799 {
1800 /*
1801 * Grab literal name.
1802 */
1803
1804 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1805 }
1806
1807 if (*valptr)
1808 *valptr++ = '\0';
1809
1810 cupsdAddName(loc, value);
1811
1812 for (value = valptr; isspace(*value & 255); value ++);
1813 }
1814 }
1815 else if (!strcasecmp(line, "Satisfy"))
1816 {
1817 if (!strcasecmp(value, "all"))
1818 loc->satisfy = AUTH_SATISFY_ALL;
1819 else if (!strcasecmp(value, "any"))
1820 loc->satisfy = AUTH_SATISFY_ANY;
1821 else
1822 {
1823 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d.",
1824 value, linenum);
1825 return (0);
1826 }
1827 }
1828 else
1829 return (0);
1830
1831 return (1);
1832 }
1833
1834
1835 /*
1836 * 'parse_groups()' - Parse system group names in a string.
1837 */
1838
1839 static int /* O - 1 on success, 0 on failure */
1840 parse_groups(const char *s) /* I - Space-delimited groups */
1841 {
1842 int status; /* Return status */
1843 char value[1024], /* Value string */
1844 *valstart, /* Pointer into value */
1845 *valend, /* End of value */
1846 quote; /* Quote character */
1847 struct group *group; /* Group */
1848
1849
1850 /*
1851 * Make a copy of the string and parse out the groups...
1852 */
1853
1854 strlcpy(value, s, sizeof(value));
1855
1856 status = 1;
1857 valstart = value;
1858
1859 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
1860 {
1861 if (*valstart == '\'' || *valstart == '\"')
1862 {
1863 /*
1864 * Scan quoted name...
1865 */
1866
1867 quote = *valstart++;
1868
1869 for (valend = valstart; *valend; valend ++)
1870 if (*valend == quote)
1871 break;
1872 }
1873 else
1874 {
1875 /*
1876 * Scan space or comma-delimited name...
1877 */
1878
1879 for (valend = valstart; *valend; valend ++)
1880 if (isspace(*valend) || *valend == ',')
1881 break;
1882 }
1883
1884 if (*valend)
1885 *valend++ = '\0';
1886
1887 group = getgrnam(valstart);
1888 if (group)
1889 {
1890 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
1891 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
1892
1893 NumSystemGroups ++;
1894 }
1895 else
1896 status = 0;
1897
1898 endgrent();
1899
1900 valstart = valend;
1901
1902 while (*valstart == ',' || isspace(*valstart))
1903 valstart ++;
1904 }
1905
1906 return (status);
1907 }
1908
1909
1910 /*
1911 * 'parse_protocols()' - Parse browse protocols in a string.
1912 */
1913
1914 static int /* O - Browse protocol bits */
1915 parse_protocols(const char *s) /* I - Space-delimited protocols */
1916 {
1917 int protocols; /* Browse protocol bits */
1918 char value[1024], /* Value string */
1919 *valstart, /* Pointer into value */
1920 *valend; /* End of value */
1921
1922
1923 /*
1924 * Loop through the value string,...
1925 */
1926
1927 strlcpy(value, s, sizeof(value));
1928
1929 protocols = 0;
1930
1931 for (valstart = value; *valstart;)
1932 {
1933 /*
1934 * Get the current space/comma-delimited protocol name...
1935 */
1936
1937 for (valend = valstart; *valend; valend ++)
1938 if (isspace(*valend & 255) || *valend == ',')
1939 break;
1940
1941 if (*valend)
1942 *valend++ = '\0';
1943
1944 /*
1945 * Add the protocol to the bitmask...
1946 */
1947
1948 if (!strcasecmp(valstart, "cups"))
1949 protocols |= BROWSE_CUPS;
1950 else if (!strcasecmp(valstart, "slp"))
1951 protocols |= BROWSE_SLP;
1952 else if (!strcasecmp(valstart, "ldap"))
1953 protocols |= BROWSE_LDAP;
1954 else if (!strcasecmp(valstart, "dnssd") || !strcasecmp(valstart, "bonjour"))
1955 protocols |= BROWSE_DNSSD;
1956 else if (!strcasecmp(valstart, "all"))
1957 protocols |= BROWSE_ALL;
1958 else
1959 return (-1);
1960
1961 for (valstart = valend; *valstart; valstart ++)
1962 if (!isspace(*valstart & 255) || *valstart != ',')
1963 break;
1964 }
1965
1966 return (protocols);
1967 }
1968
1969
1970 /*
1971 * 'read_configuration()' - Read a configuration file.
1972 */
1973
1974 static int /* O - 1 on success, 0 on failure */
1975 read_configuration(cups_file_t *fp) /* I - File to read from */
1976 {
1977 int i; /* Looping var */
1978 int linenum; /* Current line number */
1979 char line[HTTP_MAX_BUFFER],
1980 /* Line from file */
1981 temp[HTTP_MAX_BUFFER],
1982 /* Temporary buffer for value */
1983 temp2[HTTP_MAX_BUFFER],
1984 /* Temporary buffer 2 for value */
1985 *ptr, /* Pointer into line/temp */
1986 *value, /* Pointer to value */
1987 *valueptr; /* Pointer into value */
1988 int valuelen; /* Length of value */
1989 cupsd_var_t *var; /* Current variable */
1990 http_addrlist_t *addrlist, /* Address list */
1991 *addr; /* Current address */
1992 unsigned ip[4], /* Address value */
1993 mask[4]; /* Netmask value */
1994 cupsd_dirsvc_relay_t *relay; /* Relay data */
1995 cupsd_dirsvc_poll_t *pollp; /* Polling data */
1996 cupsd_location_t *location; /* Browse location */
1997 cups_file_t *incfile; /* Include file */
1998 char incname[1024]; /* Include filename */
1999 struct group *group; /* Group */
2000
2001
2002 /*
2003 * Loop through each line in the file...
2004 */
2005
2006 linenum = 0;
2007
2008 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2009 {
2010 /*
2011 * Decode the directive...
2012 */
2013
2014 if (!strcasecmp(line, "Include"))
2015 {
2016 /*
2017 * Include filename
2018 */
2019
2020 if (value[0] == '/')
2021 strlcpy(incname, value, sizeof(incname));
2022 else
2023 snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
2024
2025 if ((incfile = cupsFileOpen(incname, "rb")) == NULL)
2026 cupsdLogMessage(CUPSD_LOG_ERROR,
2027 "Unable to include config file \"%s\" - %s",
2028 incname, strerror(errno));
2029 else
2030 {
2031 read_configuration(incfile);
2032 cupsFileClose(incfile);
2033 }
2034 }
2035 else if (!strcasecmp(line, "<Location"))
2036 {
2037 /*
2038 * <Location path>
2039 */
2040
2041 if (value)
2042 {
2043 linenum = read_location(fp, value, linenum);
2044 if (linenum == 0)
2045 return (0);
2046 }
2047 else
2048 {
2049 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.",
2050 linenum);
2051 return (0);
2052 }
2053 }
2054 else if (!strcasecmp(line, "<Policy"))
2055 {
2056 /*
2057 * <Policy name>
2058 */
2059
2060 if (value)
2061 {
2062 linenum = read_policy(fp, value, linenum);
2063 if (linenum == 0)
2064 return (0);
2065 }
2066 else
2067 {
2068 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2069 return (0);
2070 }
2071 }
2072 else if (!strcasecmp(line, "FaxRetryInterval"))
2073 {
2074 if (value)
2075 {
2076 JobRetryInterval = atoi(value);
2077 cupsdLogMessage(CUPSD_LOG_WARN,
2078 "FaxRetryInterval is deprecated; use "
2079 "JobRetryInterval on line %d.", linenum);
2080 }
2081 else
2082 {
2083 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2084 return (0);
2085 }
2086 }
2087 else if (!strcasecmp(line, "FaxRetryLimit"))
2088 {
2089 if (value)
2090 {
2091 JobRetryLimit = atoi(value);
2092 cupsdLogMessage(CUPSD_LOG_WARN,
2093 "FaxRetryLimit is deprecated; use "
2094 "JobRetryLimit on line %d.", linenum);
2095 }
2096 else
2097 {
2098 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2099 return (0);
2100 }
2101 }
2102 else if (!strcasecmp(line, "Port") || !strcasecmp(line, "Listen")
2103 #ifdef HAVE_SSL
2104 || !strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen")
2105 #endif /* HAVE_SSL */
2106 )
2107 {
2108 /*
2109 * Add listening address(es) to the list...
2110 */
2111
2112 cupsd_listener_t *lis; /* New listeners array */
2113
2114
2115 /*
2116 * Get the address list...
2117 */
2118
2119 addrlist = get_address(value, IPP_PORT);
2120
2121 if (!addrlist)
2122 {
2123 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
2124 value, linenum);
2125 continue;
2126 }
2127
2128 /*
2129 * Add each address...
2130 */
2131
2132 for (addr = addrlist; addr; addr = addr->next)
2133 {
2134 /*
2135 * Allocate another listener...
2136 */
2137
2138 if (!Listeners)
2139 Listeners = cupsArrayNew(NULL, NULL);
2140
2141 if (!Listeners)
2142 {
2143 cupsdLogMessage(CUPSD_LOG_ERROR,
2144 "Unable to allocate %s at line %d - %s.",
2145 line, linenum, strerror(errno));
2146 break;
2147 }
2148
2149 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
2150 {
2151 cupsdLogMessage(CUPSD_LOG_ERROR,
2152 "Unable to allocate %s at line %d - %s.",
2153 line, linenum, strerror(errno));
2154 break;
2155 }
2156
2157 cupsArrayAdd(Listeners, lis);
2158
2159 /*
2160 * Copy the current address and log it...
2161 */
2162
2163 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
2164 lis->fd = -1;
2165
2166 #ifdef HAVE_SSL
2167 if (!strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen"))
2168 lis->encryption = HTTP_ENCRYPT_ALWAYS;
2169 #endif /* HAVE_SSL */
2170
2171 httpAddrString(&lis->address, temp, sizeof(temp));
2172
2173 #ifdef AF_INET6
2174 if (lis->address.addr.sa_family == AF_INET6)
2175 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv6)", temp,
2176 ntohs(lis->address.ipv6.sin6_port));
2177 else
2178 #endif /* AF_INET6 */
2179 #ifdef AF_LOCAL
2180 if (lis->address.addr.sa_family == AF_LOCAL)
2181 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
2182 else
2183 #endif /* AF_LOCAL */
2184 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv4)", temp,
2185 ntohs(lis->address.ipv4.sin_port));
2186 }
2187
2188 /*
2189 * Free the list...
2190 */
2191
2192 httpAddrFreeList(addrlist);
2193 }
2194 else if (!strcasecmp(line, "BrowseAddress"))
2195 {
2196 /*
2197 * Add a browse address to the list...
2198 */
2199
2200 cupsd_dirsvc_addr_t *dira; /* New browse address array */
2201
2202
2203 if (NumBrowsers == 0)
2204 dira = malloc(sizeof(cupsd_dirsvc_addr_t));
2205 else
2206 dira = realloc(Browsers, (NumBrowsers + 1) * sizeof(cupsd_dirsvc_addr_t));
2207
2208 if (!dira)
2209 {
2210 cupsdLogMessage(CUPSD_LOG_ERROR,
2211 "Unable to allocate BrowseAddress at line %d - %s.",
2212 linenum, strerror(errno));
2213 continue;
2214 }
2215
2216 Browsers = dira;
2217 dira += NumBrowsers;
2218
2219 memset(dira, 0, sizeof(cupsd_dirsvc_addr_t));
2220
2221 if (!strcasecmp(value, "@LOCAL"))
2222 {
2223 /*
2224 * Send browse data to all local interfaces...
2225 */
2226
2227 strcpy(dira->iface, "*");
2228 NumBrowsers ++;
2229 }
2230 else if (!strncasecmp(value, "@IF(", 4))
2231 {
2232 /*
2233 * Send browse data to the named interface...
2234 */
2235
2236 strlcpy(dira->iface, value + 4, sizeof(Browsers[0].iface));
2237
2238 ptr = dira->iface + strlen(dira->iface) - 1;
2239 if (*ptr == ')')
2240 *ptr = '\0';
2241
2242 NumBrowsers ++;
2243 }
2244 else if ((addrlist = get_address(value, BrowsePort)) != NULL)
2245 {
2246 /*
2247 * Only IPv4 addresses are supported...
2248 */
2249
2250 for (addr = addrlist; addr; addr = addr->next)
2251 if (addr->addr.addr.sa_family == AF_INET)
2252 break;
2253
2254 if (addr)
2255 {
2256 memcpy(&(dira->to), &(addrlist->addr), sizeof(dira->to));
2257 httpAddrString(&(dira->to), temp, sizeof(temp));
2258
2259 cupsdLogMessage(CUPSD_LOG_INFO,
2260 "Sending browsing info to %s:%d (IPv4)",
2261 temp, ntohs(dira->to.ipv4.sin_port));
2262
2263 NumBrowsers ++;
2264 }
2265 else
2266 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2267 value, linenum);
2268
2269 httpAddrFreeList(addrlist);
2270 }
2271 else
2272 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2273 value, linenum);
2274 }
2275 else if (!strcasecmp(line, "BrowseOrder"))
2276 {
2277 /*
2278 * "BrowseOrder Deny,Allow" or "BrowseOrder Allow,Deny"...
2279 */
2280
2281 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2282 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2283
2284 if (location == NULL)
2285 cupsdLogMessage(CUPSD_LOG_ERROR,
2286 "Unable to initialize browse access control list!");
2287 else if (!strncasecmp(value, "deny", 4))
2288 location->order_type = AUTH_ALLOW;
2289 else if (!strncasecmp(value, "allow", 5))
2290 location->order_type = AUTH_DENY;
2291 else
2292 cupsdLogMessage(CUPSD_LOG_ERROR,
2293 "Unknown BrowseOrder value %s on line %d.",
2294 value, linenum);
2295 }
2296 else if (!strcasecmp(line, "BrowseProtocols") ||
2297 !strcasecmp(line, "BrowseLocalProtocols") ||
2298 !strcasecmp(line, "BrowseRemoteProtocols"))
2299 {
2300 /*
2301 * "BrowseProtocols name [... name]"
2302 * "BrowseLocalProtocols name [... name]"
2303 * "BrowseRemoteProtocols name [... name]"
2304 */
2305
2306 int protocols = parse_protocols(value);
2307
2308 if (protocols < 0)
2309 {
2310 cupsdLogMessage(CUPSD_LOG_ERROR,
2311 "Unknown browse protocol \"%s\" on line %d.",
2312 value, linenum);
2313 break;
2314 }
2315
2316 if (strcasecmp(line, "BrowseLocalProtocols"))
2317 BrowseRemoteProtocols = protocols;
2318 if (strcasecmp(line, "BrowseRemoteProtocols"))
2319 BrowseLocalProtocols = protocols;
2320 }
2321 else if (!strcasecmp(line, "BrowseAllow") ||
2322 !strcasecmp(line, "BrowseDeny"))
2323 {
2324 /*
2325 * BrowseAllow [From] host/ip...
2326 * BrowseDeny [From] host/ip...
2327 */
2328
2329 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2330 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2331
2332 if (location == NULL)
2333 cupsdLogMessage(CUPSD_LOG_ERROR,
2334 "Unable to initialize browse access control list!");
2335 else
2336 {
2337 if (!strncasecmp(value, "from ", 5))
2338 {
2339 /*
2340 * Strip leading "from"...
2341 */
2342
2343 value += 5;
2344
2345 while (isspace(*value))
2346 value ++;
2347 }
2348
2349 /*
2350 * Figure out what form the allow/deny address takes:
2351 *
2352 * All
2353 * None
2354 * *.domain.com
2355 * .domain.com
2356 * host.domain.com
2357 * nnn.*
2358 * nnn.nnn.*
2359 * nnn.nnn.nnn.*
2360 * nnn.nnn.nnn.nnn
2361 * nnn.nnn.nnn.nnn/mm
2362 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2363 */
2364
2365 if (!strcasecmp(value, "all"))
2366 {
2367 /*
2368 * All hosts...
2369 */
2370
2371 if (!strcasecmp(line, "BrowseAllow"))
2372 cupsdAllowIP(location, zeros, zeros);
2373 else
2374 cupsdDenyIP(location, zeros, zeros);
2375 }
2376 else if (!strcasecmp(value, "none"))
2377 {
2378 /*
2379 * No hosts...
2380 */
2381
2382 if (!strcasecmp(line, "BrowseAllow"))
2383 cupsdAllowIP(location, ones, zeros);
2384 else
2385 cupsdDenyIP(location, ones, zeros);
2386 }
2387 #ifdef AF_INET6
2388 else if (value[0] == '*' || value[0] == '.' ||
2389 (!isdigit(value[0] & 255) && value[0] != '['))
2390 #else
2391 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2392 #endif /* AF_INET6 */
2393 {
2394 /*
2395 * Host or domain name...
2396 */
2397
2398 if (value[0] == '*')
2399 value ++;
2400
2401 if (!strcasecmp(line, "BrowseAllow"))
2402 cupsdAllowHost(location, value);
2403 else
2404 cupsdDenyHost(location, value);
2405 }
2406 else
2407 {
2408 /*
2409 * One of many IP address forms...
2410 */
2411
2412 if (!get_addr_and_mask(value, ip, mask))
2413 {
2414 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2415 value, linenum);
2416 break;
2417 }
2418
2419 if (!strcasecmp(line, "BrowseAllow"))
2420 cupsdAllowIP(location, ip, mask);
2421 else
2422 cupsdDenyIP(location, ip, mask);
2423 }
2424 }
2425 }
2426 else if (!strcasecmp(line, "BrowseRelay"))
2427 {
2428 /*
2429 * BrowseRelay [from] source [to] destination
2430 */
2431
2432 if (NumRelays == 0)
2433 relay = malloc(sizeof(cupsd_dirsvc_relay_t));
2434 else
2435 relay = realloc(Relays, (NumRelays + 1) * sizeof(cupsd_dirsvc_relay_t));
2436
2437 if (!relay)
2438 {
2439 cupsdLogMessage(CUPSD_LOG_ERROR,
2440 "Unable to allocate BrowseRelay at line %d - %s.",
2441 linenum, strerror(errno));
2442 continue;
2443 }
2444
2445 Relays = relay;
2446 relay += NumRelays;
2447
2448 memset(relay, 0, sizeof(cupsd_dirsvc_relay_t));
2449
2450 if (!strncasecmp(value, "from ", 5))
2451 {
2452 /*
2453 * Strip leading "from"...
2454 */
2455
2456 value += 5;
2457
2458 while (isspace(*value))
2459 value ++;
2460 }
2461
2462 /*
2463 * Figure out what form the from address takes:
2464 *
2465 * *.domain.com
2466 * .domain.com
2467 * host.domain.com
2468 * nnn.*
2469 * nnn.nnn.*
2470 * nnn.nnn.nnn.*
2471 * nnn.nnn.nnn.nnn
2472 * nnn.nnn.nnn.nnn/mm
2473 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2474 */
2475
2476 #ifdef AF_INET6
2477 if (value[0] == '*' || value[0] == '.' ||
2478 (!isdigit(value[0] & 255) && value[0] != '['))
2479 #else
2480 if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2481 #endif /* AF_INET6 */
2482 {
2483 /*
2484 * Host or domain name...
2485 */
2486
2487 if (value[0] == '*')
2488 value ++;
2489
2490 strlcpy(temp, value, sizeof(temp));
2491 if ((ptr = strchr(temp, ' ')) != NULL)
2492 *ptr = '\0';
2493
2494 relay->from.type = AUTH_NAME;
2495 relay->from.mask.name.name = strdup(temp);
2496 relay->from.mask.name.length = strlen(temp);
2497 }
2498 else
2499 {
2500 /*
2501 * One of many IP address forms...
2502 */
2503
2504 if (!get_addr_and_mask(value, ip, mask))
2505 {
2506 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2507 value, linenum);
2508 break;
2509 }
2510
2511 relay->from.type = AUTH_IP;
2512 memcpy(relay->from.mask.ip.address, ip,
2513 sizeof(relay->from.mask.ip.address));
2514 memcpy(relay->from.mask.ip.netmask, mask,
2515 sizeof(relay->from.mask.ip.netmask));
2516 }
2517
2518 /*
2519 * Skip value and trailing whitespace...
2520 */
2521
2522 for (; *value; value ++)
2523 if (isspace(*value))
2524 break;
2525
2526 while (isspace(*value))
2527 value ++;
2528
2529 if (!strncasecmp(value, "to ", 3))
2530 {
2531 /*
2532 * Strip leading "to"...
2533 */
2534
2535 value += 3;
2536
2537 while (isspace(*value))
2538 value ++;
2539 }
2540
2541 /*
2542 * Get "to" address and port...
2543 */
2544
2545 if ((addrlist = get_address(value, BrowsePort)) != NULL)
2546 {
2547 /*
2548 * Only IPv4 addresses are supported...
2549 */
2550
2551 for (addr = addrlist; addr; addr = addr->next)
2552 if (addr->addr.addr.sa_family == AF_INET)
2553 break;
2554
2555 if (addr)
2556 {
2557 memcpy(&(relay->to), &(addrlist->addr), sizeof(relay->to));
2558
2559 httpAddrString(&(relay->to), temp, sizeof(temp));
2560
2561 if (relay->from.type == AUTH_IP)
2562 snprintf(temp2, sizeof(temp2), "%u.%u.%u.%u/%u.%u.%u.%u",
2563 relay->from.mask.ip.address[0],
2564 relay->from.mask.ip.address[1],
2565 relay->from.mask.ip.address[2],
2566 relay->from.mask.ip.address[3],
2567 relay->from.mask.ip.netmask[0],
2568 relay->from.mask.ip.netmask[1],
2569 relay->from.mask.ip.netmask[2],
2570 relay->from.mask.ip.netmask[3]);
2571 else
2572 strlcpy(temp2, relay->from.mask.name.name, sizeof(temp2));
2573
2574 cupsdLogMessage(CUPSD_LOG_INFO, "Relaying from %s to %s:%d (IPv4)",
2575 temp, temp2, ntohs(relay->to.ipv4.sin_port));
2576
2577 NumRelays ++;
2578 }
2579 else
2580 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2581 value, linenum);
2582
2583 httpAddrFreeList(addrlist);
2584 }
2585 else
2586 {
2587 if (relay->from.type == AUTH_NAME)
2588 free(relay->from.mask.name.name);
2589
2590 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2591 value, linenum);
2592 }
2593 }
2594 else if (!strcasecmp(line, "BrowsePoll"))
2595 {
2596 /*
2597 * BrowsePoll address[:port]
2598 */
2599
2600 char *portname; /* Port name */
2601 int portnum; /* Port number */
2602 struct servent *service; /* Service */
2603
2604
2605 /*
2606 * Extract the port name from the address...
2607 */
2608
2609 if ((portname = strrchr(value, ':')) != NULL && !strchr(portname, ']'))
2610 {
2611 *portname++ = '\0';
2612
2613 if (isdigit(*portname & 255))
2614 portnum = atoi(portname);
2615 else if ((service = getservbyname(portname, NULL)) != NULL)
2616 portnum = ntohs(service->s_port);
2617 else
2618 {
2619 cupsdLogMessage(CUPSD_LOG_ERROR, "Lookup of service \"%s\" failed!",
2620 portname);
2621 continue;
2622 }
2623 }
2624 else
2625 portnum = ippPort();
2626
2627 /*
2628 * Add the poll entry...
2629 */
2630
2631 if (NumPolled == 0)
2632 pollp = malloc(sizeof(cupsd_dirsvc_poll_t));
2633 else
2634 pollp = realloc(Polled, (NumPolled + 1) * sizeof(cupsd_dirsvc_poll_t));
2635
2636 if (!pollp)
2637 {
2638 cupsdLogMessage(CUPSD_LOG_ERROR,
2639 "Unable to allocate BrowsePoll at line %d - %s.",
2640 linenum, strerror(errno));
2641 continue;
2642 }
2643
2644 Polled = pollp;
2645 pollp += NumPolled;
2646
2647 NumPolled ++;
2648 memset(pollp, 0, sizeof(cupsd_dirsvc_poll_t));
2649
2650 strlcpy(pollp->hostname, value, sizeof(pollp->hostname));
2651 pollp->port = portnum;
2652
2653 cupsdLogMessage(CUPSD_LOG_INFO, "Polling %s:%d", pollp->hostname,
2654 pollp->port);
2655 }
2656 else if (!strcasecmp(line, "DefaultAuthType"))
2657 {
2658 /*
2659 * DefaultAuthType {basic,digest,basicdigest}
2660 */
2661
2662 if (!strcasecmp(value, "basic"))
2663 DefaultAuthType = AUTH_BASIC;
2664 else if (!strcasecmp(value, "digest"))
2665 DefaultAuthType = AUTH_DIGEST;
2666 else if (!strcasecmp(value, "basicdigest"))
2667 DefaultAuthType = AUTH_BASICDIGEST;
2668 else
2669 {
2670 cupsdLogMessage(CUPSD_LOG_WARN,
2671 "Unknown default authorization type %s on line %d.",
2672 value, linenum);
2673 return (0);
2674 }
2675 }
2676 #ifdef HAVE_SSL
2677 else if (!strcasecmp(line, "DefaultEncryption"))
2678 {
2679 /*
2680 * DefaultEncryption {Never,IfRequested,Required}
2681 */
2682
2683 if (!value || !strcasecmp(value, "never"))
2684 DefaultEncryption = HTTP_ENCRYPT_NEVER;
2685 else if (!strcasecmp(value, "required"))
2686 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
2687 else if (!strcasecmp(value, "ifrequested"))
2688 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
2689 else
2690 {
2691 cupsdLogMessage(CUPSD_LOG_WARN,
2692 "Unknown default encryption %s on line %d.",
2693 value, linenum);
2694 return (0);
2695 }
2696 }
2697 #endif /* HAVE_SSL */
2698 else if (!strcasecmp(line, "User"))
2699 {
2700 /*
2701 * User ID to run as...
2702 */
2703
2704 if (value && isdigit(value[0] & 255))
2705 {
2706 int uid = atoi(value);
2707
2708 if (!uid)
2709 cupsdLogMessage(CUPSD_LOG_ERROR,
2710 "Will not use User 0 as specified on line %d "
2711 "for security reasons. You must use a non-"
2712 "privileged account instead.",
2713 linenum);
2714 else
2715 User = atoi(value);
2716 }
2717 else if (value)
2718 {
2719 struct passwd *p; /* Password information */
2720
2721 endpwent();
2722 p = getpwnam(value);
2723
2724 if (p)
2725 {
2726 if (!p->pw_uid)
2727 cupsdLogMessage(CUPSD_LOG_ERROR,
2728 "Will not use User %s (UID=0) as specified on line "
2729 "%d for security reasons. You must use a non-"
2730 "privileged account instead.",
2731 value, linenum);
2732 else
2733 User = p->pw_uid;
2734 }
2735 else
2736 cupsdLogMessage(CUPSD_LOG_ERROR,
2737 "Unknown User \"%s\" on line %d, ignoring!",
2738 value, linenum);
2739 }
2740 else
2741 cupsdLogMessage(CUPSD_LOG_ERROR,
2742 "User directive on line %d missing the username!",
2743 linenum);
2744 }
2745 else if (!strcasecmp(line, "Group"))
2746 {
2747 /*
2748 * Group ID to run as...
2749 */
2750
2751 if (isdigit(value[0]))
2752 Group = atoi(value);
2753 else
2754 {
2755 endgrent();
2756 group = getgrnam(value);
2757
2758 if (group != NULL)
2759 Group = group->gr_gid;
2760 else
2761 cupsdLogMessage(CUPSD_LOG_ERROR,
2762 "Unknown Group \"%s\" on line %d, ignoring!",
2763 value, linenum);
2764 }
2765 }
2766 else if (!strcasecmp(line, "SystemGroup"))
2767 {
2768 /*
2769 * SystemGroup (admin) group(s)...
2770 */
2771
2772 if (!parse_groups(value))
2773 cupsdLogMessage(CUPSD_LOG_ERROR,
2774 "Unknown SystemGroup \"%s\" on line %d, ignoring!",
2775 value, linenum);
2776 }
2777 else if (!strcasecmp(line, "HostNameLookups"))
2778 {
2779 /*
2780 * Do hostname lookups?
2781 */
2782
2783 if (!strcasecmp(value, "off"))
2784 HostNameLookups = 0;
2785 else if (!strcasecmp(value, "on"))
2786 HostNameLookups = 1;
2787 else if (!strcasecmp(value, "double"))
2788 HostNameLookups = 2;
2789 else
2790 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d.",
2791 value, linenum);
2792 }
2793 else if (!strcasecmp(line, "LogLevel"))
2794 {
2795 /*
2796 * Amount of logging to do...
2797 */
2798
2799 if (!strcasecmp(value, "debug2"))
2800 LogLevel = CUPSD_LOG_DEBUG2;
2801 else if (!strcasecmp(value, "debug"))
2802 LogLevel = CUPSD_LOG_DEBUG;
2803 else if (!strcasecmp(value, "info"))
2804 LogLevel = CUPSD_LOG_INFO;
2805 else if (!strcasecmp(value, "notice"))
2806 LogLevel = CUPSD_LOG_NOTICE;
2807 else if (!strcasecmp(value, "warn"))
2808 LogLevel = CUPSD_LOG_WARN;
2809 else if (!strcasecmp(value, "error"))
2810 LogLevel = CUPSD_LOG_ERROR;
2811 else if (!strcasecmp(value, "crit"))
2812 LogLevel = CUPSD_LOG_CRIT;
2813 else if (!strcasecmp(value, "alert"))
2814 LogLevel = CUPSD_LOG_ALERT;
2815 else if (!strcasecmp(value, "emerg"))
2816 LogLevel = CUPSD_LOG_EMERG;
2817 else if (!strcasecmp(value, "none"))
2818 LogLevel = CUPSD_LOG_NONE;
2819 else
2820 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d.",
2821 value, linenum);
2822 }
2823 else if (!strcasecmp(line, "PrintcapFormat"))
2824 {
2825 /*
2826 * Format of printcap file?
2827 */
2828
2829 if (!strcasecmp(value, "bsd"))
2830 PrintcapFormat = PRINTCAP_BSD;
2831 else if (!strcasecmp(value, "solaris"))
2832 PrintcapFormat = PRINTCAP_SOLARIS;
2833 else
2834 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown PrintcapFormat %s on line %d.",
2835 value, linenum);
2836 }
2837 else if (!strcasecmp(line, "ServerTokens"))
2838 {
2839 /*
2840 * Set the string used for the Server header...
2841 */
2842
2843 struct utsname plat; /* Platform info */
2844
2845
2846 uname(&plat);
2847
2848 if (!strcasecmp(value, "ProductOnly"))
2849 cupsdSetString(&ServerHeader, "CUPS");
2850 else if (!strcasecmp(value, "Major"))
2851 cupsdSetString(&ServerHeader, "CUPS/1");
2852 else if (!strcasecmp(value, "Minor"))
2853 cupsdSetString(&ServerHeader, "CUPS/1.2");
2854 else if (!strcasecmp(value, "Minimal"))
2855 cupsdSetString(&ServerHeader, CUPS_MINIMAL);
2856 else if (!strcasecmp(value, "OS"))
2857 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s)", plat.sysname);
2858 else if (!strcasecmp(value, "Full"))
2859 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s) IPP/1.1",
2860 plat.sysname);
2861 else if (!strcasecmp(value, "None"))
2862 cupsdClearString(&ServerHeader);
2863 else
2864 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d.",
2865 value, linenum);
2866 }
2867 else if (!strcasecmp(line, "PassEnv"))
2868 {
2869 /*
2870 * PassEnv variable [... variable]
2871 */
2872
2873 for (; *value;)
2874 {
2875 for (valuelen = 0; value[valuelen]; valuelen ++)
2876 if (isspace(value[valuelen]) || value[valuelen] == ',')
2877 break;
2878
2879 if (value[valuelen])
2880 {
2881 value[valuelen] = '\0';
2882 valuelen ++;
2883 }
2884
2885 cupsdSetEnv(value, NULL);
2886
2887 for (value += valuelen; *value; value ++)
2888 if (!isspace(*value) || *value != ',')
2889 break;
2890 }
2891 }
2892 else if (!strcasecmp(line, "SetEnv"))
2893 {
2894 /*
2895 * SetEnv variable value
2896 */
2897
2898 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
2899
2900 if (*valueptr)
2901 {
2902 /*
2903 * Found a value...
2904 */
2905
2906 while (isspace(*valueptr & 255))
2907 *valueptr++ = '\0';
2908
2909 cupsdSetEnv(value, valueptr);
2910 }
2911 else
2912 cupsdLogMessage(CUPSD_LOG_ERROR,
2913 "Missing value for SetEnv directive on line %d.",
2914 linenum);
2915 }
2916 else
2917 {
2918 /*
2919 * Find a simple variable in the list...
2920 */
2921
2922 for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
2923 if (!strcasecmp(line, var->name))
2924 break;
2925
2926 if (i == 0)
2927 {
2928 /*
2929 * Unknown directive! Output an error message and continue...
2930 */
2931
2932 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d.",
2933 line, linenum);
2934 continue;
2935 }
2936
2937 switch (var->type)
2938 {
2939 case CUPSD_VARTYPE_INTEGER :
2940 if (!value)
2941 cupsdLogMessage(CUPSD_LOG_ERROR,
2942 "Missing integer value for %s on line %d!",
2943 line, linenum);
2944 else
2945 {
2946 int n; /* Number */
2947 char *units; /* Units */
2948
2949
2950 n = strtol(value, &units, 0);
2951
2952 if (units && *units)
2953 {
2954 if (tolower(units[0] & 255) == 'g')
2955 n *= 1024 * 1024 * 1024;
2956 else if (tolower(units[0] & 255) == 'm')
2957 n *= 1024 * 1024;
2958 else if (tolower(units[0] & 255) == 'k')
2959 n *= 1024;
2960 else if (tolower(units[0] & 255) == 't')
2961 n *= 262144;
2962 }
2963
2964 *((int *)var->ptr) = n;
2965 }
2966 break;
2967
2968 case CUPSD_VARTYPE_BOOLEAN :
2969 if (!value)
2970 cupsdLogMessage(CUPSD_LOG_ERROR,
2971 "Missing boolean value for %s on line %d!",
2972 line, linenum);
2973 else if (!strcasecmp(value, "true") ||
2974 !strcasecmp(value, "on") ||
2975 !strcasecmp(value, "enabled") ||
2976 !strcasecmp(value, "yes") ||
2977 atoi(value) != 0)
2978 *((int *)var->ptr) = TRUE;
2979 else if (!strcasecmp(value, "false") ||
2980 !strcasecmp(value, "off") ||
2981 !strcasecmp(value, "disabled") ||
2982 !strcasecmp(value, "no") ||
2983 !strcasecmp(value, "0"))
2984 *((int *)var->ptr) = FALSE;
2985 else
2986 cupsdLogMessage(CUPSD_LOG_ERROR,
2987 "Unknown boolean value %s on line %d.",
2988 value, linenum);
2989 break;
2990
2991 case CUPSD_VARTYPE_STRING :
2992 cupsdSetString((char **)var->ptr, value);
2993 break;
2994 }
2995 }
2996 }
2997
2998 return (1);
2999 }
3000
3001
3002 /*
3003 * 'read_location()' - Read a <Location path> definition.
3004 */
3005
3006 static int /* O - New line number or 0 on error */
3007 read_location(cups_file_t *fp, /* I - Configuration file */
3008 char *location, /* I - Location name/path */
3009 int linenum) /* I - Current line number */
3010 {
3011 cupsd_location_t *loc, /* New location */
3012 *parent; /* Parent location */
3013 char line[HTTP_MAX_BUFFER],
3014 /* Line buffer */
3015 *value, /* Value for directive */
3016 *valptr; /* Pointer into value */
3017
3018
3019 if ((parent = cupsdAddLocation(location)) == NULL)
3020 return (0);
3021
3022 parent->limit = AUTH_LIMIT_ALL;
3023 loc = parent;
3024
3025 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3026 {
3027 /*
3028 * Decode the directive...
3029 */
3030
3031 if (!strcasecmp(line, "</Location>"))
3032 return (linenum);
3033 else if (!strcasecmp(line, "<Limit") ||
3034 !strcasecmp(line, "<LimitExcept"))
3035 {
3036 if (!value)
3037 {
3038 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3039 return (0);
3040 }
3041
3042 if ((loc = cupsdCopyLocation(&parent)) == NULL)
3043 return (0);
3044
3045 loc->limit = 0;
3046 while (*value)
3047 {
3048 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3049
3050 if (*valptr)
3051 *valptr++ = '\0';
3052
3053 if (!strcmp(value, "ALL"))
3054 loc->limit = AUTH_LIMIT_ALL;
3055 else if (!strcmp(value, "GET"))
3056 loc->limit |= AUTH_LIMIT_GET;
3057 else if (!strcmp(value, "HEAD"))
3058 loc->limit |= AUTH_LIMIT_HEAD;
3059 else if (!strcmp(value, "OPTIONS"))
3060 loc->limit |= AUTH_LIMIT_OPTIONS;
3061 else if (!strcmp(value, "POST"))
3062 loc->limit |= AUTH_LIMIT_POST;
3063 else if (!strcmp(value, "PUT"))
3064 loc->limit |= AUTH_LIMIT_PUT;
3065 else if (!strcmp(value, "TRACE"))
3066 loc->limit |= AUTH_LIMIT_TRACE;
3067 else
3068 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d!",
3069 value, linenum);
3070
3071 for (value = valptr; isspace(*value & 255); value ++);
3072 }
3073
3074 if (!strcasecmp(line, "<LimitExcept"))
3075 loc->limit = AUTH_LIMIT_ALL ^ loc->limit;
3076
3077 parent->limit &= ~loc->limit;
3078 }
3079 else if (!strcasecmp(line, "</Limit>"))
3080 loc = parent;
3081 else if (!parse_aaa(loc, line, value, linenum))
3082 {
3083 cupsdLogMessage(CUPSD_LOG_ERROR,
3084 "Unknown Location directive %s on line %d.",
3085 line, linenum);
3086 return (0);
3087 }
3088 }
3089
3090 cupsdLogMessage(CUPSD_LOG_ERROR,
3091 "Unexpected end-of-file at line %d while reading location!",
3092 linenum);
3093
3094 return (0);
3095 }
3096
3097
3098 /*
3099 * 'read_policy()' - Read a <Policy name> definition.
3100 */
3101
3102 static int /* O - New line number or 0 on error */
3103 read_policy(cups_file_t *fp, /* I - Configuration file */
3104 char *policy, /* I - Location name/path */
3105 int linenum) /* I - Current line number */
3106 {
3107 int i; /* Looping var */
3108 cupsd_policy_t *pol; /* Policy */
3109 cupsd_location_t *op; /* Policy operation */
3110 int num_ops; /* Number of IPP operations */
3111 ipp_op_t ops[100]; /* Operations */
3112 char line[HTTP_MAX_BUFFER],
3113 /* Line buffer */
3114 *value, /* Value for directive */
3115 *valptr; /* Pointer into value */
3116
3117
3118 /*
3119 * Create the policy...
3120 */
3121
3122 if ((pol = cupsdAddPolicy(policy)) == NULL)
3123 return (0);
3124
3125 /*
3126 * Read from the file...
3127 */
3128
3129 op = NULL;
3130 num_ops = 0;
3131
3132 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3133 {
3134 /*
3135 * Decode the directive...
3136 */
3137
3138 if (!strcasecmp(line, "</Policy>"))
3139 {
3140 if (op)
3141 cupsdLogMessage(CUPSD_LOG_WARN,
3142 "Missing </Limit> before </Policy> on line %d!",
3143 linenum);
3144
3145 return (linenum);
3146 }
3147 else if (!strcasecmp(line, "<Limit") && !op)
3148 {
3149 if (!value)
3150 {
3151 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3152 return (0);
3153 }
3154
3155 /*
3156 * Scan for IPP operation names...
3157 */
3158
3159 num_ops = 0;
3160
3161 while (*value)
3162 {
3163 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3164
3165 if (*valptr)
3166 *valptr++ = '\0';
3167
3168 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3169 {
3170 if (!strcasecmp(value, "All"))
3171 ops[num_ops] = IPP_ANY_OPERATION;
3172 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3173 cupsdLogMessage(CUPSD_LOG_ERROR,
3174 "Bad IPP operation name \"%s\" on line %d!",
3175 value, linenum);
3176 else
3177 num_ops ++;
3178 }
3179 else
3180 cupsdLogMessage(CUPSD_LOG_ERROR,
3181 "Too many operations listed on line %d!",
3182 linenum);
3183
3184 for (value = valptr; isspace(*value & 255); value ++);
3185 }
3186
3187 /*
3188 * If none are specified, apply the policy to all operations...
3189 */
3190
3191 if (num_ops == 0)
3192 {
3193 ops[0] = IPP_ANY_OPERATION;
3194 num_ops = 1;
3195 }
3196
3197 /*
3198 * Add a new policy for the first operation...
3199 */
3200
3201 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3202 }
3203 else if (!strcasecmp(line, "</Limit>") && op)
3204 {
3205 /*
3206 * Finish the current operation limit...
3207 */
3208
3209 if (num_ops > 1)
3210 {
3211 /*
3212 * Copy the policy to the other operations...
3213 */
3214
3215 for (i = 1; i < num_ops; i ++)
3216 cupsdAddPolicyOp(pol, op, ops[i]);
3217 }
3218
3219 op = NULL;
3220 }
3221 else if (!op)
3222 {
3223 cupsdLogMessage(CUPSD_LOG_ERROR,
3224 "Missing <Limit ops> directive before %s on line %d.",
3225 line, linenum);
3226 return (0);
3227 }
3228 else if (!parse_aaa(op, line, value, linenum))
3229 {
3230 if (op)
3231 cupsdLogMessage(CUPSD_LOG_ERROR,
3232 "Unknown Policy Limit directive %s on line %d.",
3233 line, linenum);
3234 else
3235 cupsdLogMessage(CUPSD_LOG_ERROR,
3236 "Unknown Policy directive %s on line %d.",
3237 line, linenum);
3238
3239 return (0);
3240 }
3241 }
3242
3243 cupsdLogMessage(CUPSD_LOG_ERROR,
3244 "Unexpected end-of-file at line %d while reading policy \"%s\"!",
3245 linenum, policy);
3246
3247 return (0);
3248 }
3249
3250
3251 /*
3252 * End of "$Id: conf.c 5663 2006-06-15 20:36:42Z mike $".
3253 */
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