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[thirdparty/cups.git] / scheduler / conf.c
1 /*
2 * "$Id: conf.c 6205 2007-01-22 22:04:43Z 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 * See if the ServerName is an IP address...
472 */
473
474 for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
475
476 ServerNameIsIP = !*slash;
477
478 /*
479 * Use the default system group if none was supplied in cupsd.conf...
480 */
481
482 if (NumSystemGroups == 0)
483 {
484 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS))
485 {
486 /*
487 * Find the group associated with GID 0...
488 */
489
490 group = getgrgid(0);
491 endgrent();
492
493 if (group != NULL)
494 cupsdSetString(&SystemGroups[0], group->gr_name);
495 else
496 cupsdSetString(&SystemGroups[0], "unknown");
497
498 SystemGroupIDs[0] = 0;
499 NumSystemGroups = 1;
500 }
501 }
502
503 /*
504 * Get the access control list for browsing...
505 */
506
507 BrowseACL = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL");
508
509 /*
510 * Open the system log for cupsd if necessary...
511 */
512
513 #ifdef HAVE_VSYSLOG
514 if (!strcmp(AccessLog, "syslog") ||
515 !strcmp(ErrorLog, "syslog") ||
516 !strcmp(PageLog, "syslog"))
517 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
518 #endif /* HAVE_VSYSLOG */
519
520 /*
521 * Log the configuration file that was used...
522 */
523
524 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
525 ConfigurationFile);
526
527 /*
528 * Validate the Group and SystemGroup settings - they cannot be the same,
529 * otherwise the CGI programs will be able to authenticate as root without
530 * a password!
531 */
532
533 if (!RunUser)
534 {
535 for (i = 0; i < NumSystemGroups; i ++)
536 if (Group == SystemGroupIDs[i])
537 break;
538
539 if (i < NumSystemGroups)
540 {
541 /*
542 * Log the error and reset the group to a safe value...
543 */
544
545 cupsdLogMessage(CUPSD_LOG_NOTICE,
546 "Group and SystemGroup cannot use the same groups!");
547 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
548
549 group = getgrnam("nobody");
550 endgrent();
551
552 if (group != NULL)
553 Group = group->gr_gid;
554 else
555 {
556 /*
557 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
558 * complement number...)
559 */
560
561 Group = 65534;
562 }
563 }
564 }
565
566 /*
567 * Check that we have at least one listen/port line; if not, report this
568 * as an error and exit!
569 */
570
571 if (cupsArrayCount(Listeners) == 0)
572 {
573 /*
574 * No listeners!
575 */
576
577 cupsdLogMessage(CUPSD_LOG_EMERG,
578 "No valid Listen or Port lines were found in the configuration file!");
579
580 /*
581 * Commit suicide...
582 */
583
584 cupsdEndProcess(getpid(), 0);
585 }
586
587 /*
588 * Set the default locale using the language and charset...
589 */
590
591 cupsdSetStringf(&DefaultLocale, "%s.%s", DefaultLanguage, DefaultCharset);
592
593 /*
594 * Update all relative filenames to include the full path from ServerRoot...
595 */
596
597 if (DocumentRoot[0] != '/')
598 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
599
600 if (RequestRoot[0] != '/')
601 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
602
603 if (ServerBin[0] != '/')
604 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
605
606 if (StateDir[0] != '/')
607 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
608
609 if (CacheDir[0] != '/')
610 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
611
612 #ifdef HAVE_SSL
613 if (ServerCertificate[0] != '/')
614 cupsdSetStringf(&ServerCertificate, "%s/%s", ServerRoot, ServerCertificate);
615
616 if (!strncmp(ServerRoot, ServerCertificate, strlen(ServerRoot)))
617 {
618 chown(ServerCertificate, RunUser, Group);
619 chmod(ServerCertificate, 0600);
620 }
621
622 # if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
623 if (ServerKey[0] != '/')
624 cupsdSetStringf(&ServerKey, "%s/%s", ServerRoot, ServerKey);
625
626 if (!strncmp(ServerRoot, ServerKey, strlen(ServerRoot)))
627 {
628 chown(ServerKey, RunUser, Group);
629 chmod(ServerKey, 0600);
630 }
631 # endif /* HAVE_LIBSSL || HAVE_GNUTLS */
632 #endif /* HAVE_SSL */
633
634 /*
635 * Make sure that directories and config files are owned and
636 * writable by the user and group in the cupsd.conf file...
637 */
638
639 if (check_permissions(CacheDir, NULL, 0775, RunUser, Group, 1, 1) < 0 ||
640 check_permissions(StateDir, NULL, 0755, RunUser, Group, 1, 1) < 0 ||
641 check_permissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
642 SystemGroupIDs[0], 1, 1) < 0 ||
643 check_permissions(ServerRoot, NULL, 0755, RunUser, Group, 1, 0) < 0 ||
644 check_permissions(ServerRoot, "ppd", 0755, RunUser, Group, 1, 1) < 0 ||
645 check_permissions(ServerRoot, "ssl", 0700, RunUser, Group, 1, 0) < 0 ||
646 check_permissions(ServerRoot, "cupsd.conf", ConfigFilePerm, RunUser,
647 Group, 0, 0) < 0 ||
648 check_permissions(ServerRoot, "classes.conf", 0600, RunUser, Group,
649 0, 0) < 0 ||
650 check_permissions(ServerRoot, "printers.conf", 0600, RunUser, Group,
651 0, 0) < 0 ||
652 check_permissions(ServerRoot, "passwd.md5", 0600, User, Group, 0, 0) < 0)
653 return (0);
654
655 /*
656 * Update TempDir to the default if it hasn't been set already...
657 */
658
659 if (!TempDir)
660 {
661 if ((tmpdir = getenv("TMPDIR")) != NULL)
662 {
663 /*
664 * TMPDIR is defined, see if it is OK for us to use...
665 */
666
667 if (stat(tmpdir, &tmpinfo))
668 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
669 tmpdir, strerror(errno));
670 else if (!S_ISDIR(tmpinfo.st_mode))
671 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory!",
672 tmpdir);
673 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
674 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
675 !(tmpinfo.st_mode & S_IWOTH))
676 cupsdLogMessage(CUPSD_LOG_ERROR,
677 "TMPDIR (%s) has the wrong permissions!", tmpdir);
678 else
679 cupsdSetString(&TempDir, tmpdir);
680 }
681
682 if (!TempDir)
683 {
684 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
685 RequestRoot);
686 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
687 }
688 }
689
690 /*
691 * Make sure the request and temporary directories have the right
692 * permissions...
693 */
694
695 if (check_permissions(RequestRoot, NULL, 0710, RunUser, Group, 1, 1) < 0)
696 return (0);
697
698 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
699 access(TempDir, 0))
700 {
701 /*
702 * Update ownership and permissions if the CUPS temp directory
703 * is under the spool directory or does not exist...
704 */
705
706 if (check_permissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0)
707 return (0);
708 }
709
710 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
711 {
712 /*
713 * Clean out the temporary directory...
714 */
715
716 cups_dir_t *dir; /* Temporary directory */
717 cups_dentry_t *dent; /* Directory entry */
718 char tempfile[1024]; /* Temporary filename */
719
720
721 if ((dir = cupsDirOpen(TempDir)) != NULL)
722 {
723 cupsdLogMessage(CUPSD_LOG_INFO,
724 "Cleaning out old temporary files in \"%s\"...", TempDir);
725
726 while ((dent = cupsDirRead(dir)) != NULL)
727 {
728 snprintf(tempfile, sizeof(tempfile), "%s/%s", TempDir, dent->filename);
729
730 if (unlink(tempfile))
731 cupsdLogMessage(CUPSD_LOG_ERROR,
732 "Unable to remove temporary file \"%s\" - %s",
733 tempfile, strerror(errno));
734 else
735 cupsdLogMessage(CUPSD_LOG_DEBUG, "Removed temporary file \"%s\"...",
736 tempfile);
737 }
738
739 cupsDirClose(dir);
740 }
741 else
742 cupsdLogMessage(CUPSD_LOG_ERROR,
743 "Unable to open temporary directory \"%s\" - %s",
744 TempDir, strerror(errno));
745 }
746
747 /*
748 * Setup environment variables...
749 */
750
751 cupsdInitEnv();
752
753 /*
754 * Check the MaxClients setting, and then allocate memory for it...
755 */
756
757 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
758 {
759 if (MaxClients > 0)
760 cupsdLogMessage(CUPSD_LOG_INFO, "MaxClients limited to 1/3 (%d) of the file descriptor limit (%d)...",
761 MaxFDs / 3, MaxFDs);
762
763 MaxClients = MaxFDs / 3;
764 }
765
766 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
767 MaxClients);
768
769 /*
770 * Check the MaxActiveJobs setting; limit to 1/3 the available
771 * file descriptors, since we need a pipe for each job...
772 */
773
774 if (MaxActiveJobs > (MaxFDs / 3))
775 MaxActiveJobs = MaxFDs / 3;
776
777 if (Classification && !strcasecmp(Classification, "none"))
778 cupsdClearString(&Classification);
779
780 if (Classification)
781 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
782
783 /*
784 * Update the MaxClientsPerHost value, as needed...
785 */
786
787 if (MaxClientsPerHost <= 0)
788 MaxClientsPerHost = MaxClients;
789
790 if (MaxClientsPerHost > MaxClients)
791 MaxClientsPerHost = MaxClients;
792
793 cupsdLogMessage(CUPSD_LOG_INFO,
794 "Allowing up to %d client connections per host.",
795 MaxClientsPerHost);
796
797 /*
798 * Make sure that BrowseTimeout is at least twice the interval...
799 */
800
801 if (BrowseTimeout < (2 * BrowseInterval) || BrowseTimeout <= 0)
802 {
803 cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid BrowseTimeout value %d!",
804 BrowseTimeout);
805
806 if (BrowseInterval)
807 BrowseTimeout = BrowseInterval * 2;
808 else
809 BrowseTimeout = DEFAULT_TIMEOUT;
810
811 cupsdLogMessage(CUPSD_LOG_ALERT, "Reset BrowseTimeout to %d!",
812 BrowseTimeout);
813 }
814
815 /*
816 * Update the default policy, as needed...
817 */
818
819 if (DefaultPolicy)
820 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
821 else
822 DefaultPolicyPtr = NULL;
823
824 if (!DefaultPolicyPtr)
825 {
826 cupsd_policy_t *p; /* New policy */
827 cupsd_location_t *po; /* New policy operation */
828
829
830 if (DefaultPolicy)
831 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found!",
832 DefaultPolicy);
833
834 cupsdSetString(&DefaultPolicy, "default");
835
836 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
837 cupsdLogMessage(CUPSD_LOG_INFO,
838 "Using policy \"default\" as the default!");
839 else
840 {
841 cupsdLogMessage(CUPSD_LOG_INFO,
842 "Creating CUPS default administrative policy:");
843
844 DefaultPolicyPtr = p = cupsdAddPolicy("default");
845
846 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
847 cupsdLogMessage(CUPSD_LOG_INFO,
848 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
849 "Release-Job Restart-Job Purge-Jobs "
850 "Set-Job-Attributes Create-Job-Subscription "
851 "Renew-Subscription Cancel-Subscription "
852 "Get-Notifications Reprocess-Job Cancel-Current-Job "
853 "Suspend-Current-Job Resume-Job CUPS-Move-Job "
854 "CUPS-Authenticate-Job>");
855 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
856
857 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
858 po->order_type = AUTH_ALLOW;
859 po->level = AUTH_USER;
860
861 cupsdAddName(po, "@OWNER");
862 cupsdAddName(po, "@SYSTEM");
863 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
864
865 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
866 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
867 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
868 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
869 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
870 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
871 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
872 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
873 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
874 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
875 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
876 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
877 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
878 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
879 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
880 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
881 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
882
883 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
884
885 cupsdLogMessage(CUPSD_LOG_INFO,
886 "<Limit Pause-Printer Resume-Printer "
887 "Set-Printer-Attributes Enable-Printer "
888 "Disable-Printer Pause-Printer-After-Current-Job "
889 "Hold-New-Jobs Release-Held-New-Jobs "
890 "Deactivate-Printer Activate-Printer Restart-Printer "
891 "Shutdown-Printer Startup-Printer Promote-Job "
892 "Schedule-Job-After CUPS-Add-Printer "
893 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
894 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
895 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
896 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Basic");
897
898 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
899 po->order_type = AUTH_ALLOW;
900 po->type = AUTH_BASIC;
901 po->level = AUTH_USER;
902
903 cupsdAddName(po, "@SYSTEM");
904 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
905
906 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
907 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
908 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
909 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
910 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
911 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
912 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
913 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
914 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
915 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
916 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
917 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
918 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
919 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
920 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
921 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
922 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
923 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
924 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
925 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
926 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
927
928 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
929
930 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
931 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
932
933 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
934 po->order_type = AUTH_ALLOW;
935
936 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
937 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
938 }
939 }
940
941 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
942 NumPolicies);
943 for (i = 0; i < NumPolicies; i ++)
944 cupsdLogMessage(CUPSD_LOG_DEBUG2,
945 "cupsdReadConfiguration: Policies[%d]=\"%s\"", i,
946 Policies[i]->name);
947
948 /*
949 * If we are doing a full reload or the server root has changed, flush
950 * the jobs, printers, etc. and start from scratch...
951 */
952
953 if (NeedReload == RELOAD_ALL ||
954 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
955 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
956 {
957 mime_type_t *type; /* Current type */
958 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
959 /* MIME type name */
960
961
962 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
963
964 /*
965 * Free all memory...
966 */
967
968 cupsdDeleteAllSubscriptions();
969 cupsdFreeAllJobs();
970 cupsdDeleteAllClasses();
971 cupsdDeleteAllPrinters();
972
973 DefaultPrinter = NULL;
974
975 if (MimeDatabase != NULL)
976 mimeDelete(MimeDatabase);
977
978 if (NumMimeTypes)
979 {
980 for (i = 0; i < NumMimeTypes; i ++)
981 _cupsStrFree(MimeTypes[i]);
982
983 free(MimeTypes);
984 }
985
986 /*
987 * Read the MIME type and conversion database...
988 */
989
990 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
991
992 MimeDatabase = mimeLoad(ServerRoot, temp);
993
994 if (!MimeDatabase)
995 {
996 cupsdLogMessage(CUPSD_LOG_EMERG,
997 "Unable to load MIME database from \'%s\'!", ServerRoot);
998 exit(errno);
999 }
1000
1001 cupsdLogMessage(CUPSD_LOG_INFO,
1002 "Loaded MIME database from \'%s\': %d types, %d filters...",
1003 ServerRoot, mimeNumTypes(MimeDatabase),
1004 mimeNumFilters(MimeDatabase));
1005
1006 /*
1007 * Create a list of MIME types for the document-format-supported
1008 * attribute...
1009 */
1010
1011 NumMimeTypes = mimeNumTypes(MimeDatabase);
1012 if (!mimeType(MimeDatabase, "application", "octet-stream"))
1013 NumMimeTypes ++;
1014
1015 MimeTypes = calloc(NumMimeTypes, sizeof(const char *));
1016
1017 for (i = 0, type = mimeFirstType(MimeDatabase);
1018 type;
1019 i ++, type = mimeNextType(MimeDatabase))
1020 {
1021 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
1022
1023 MimeTypes[i] = _cupsStrAlloc(mimetype);
1024 }
1025
1026 if (i < NumMimeTypes)
1027 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
1028
1029 if (LogLevel == CUPSD_LOG_DEBUG2)
1030 {
1031 mime_filter_t *filter; /* Current filter */
1032
1033
1034 for (type = mimeFirstType(MimeDatabase);
1035 type;
1036 type = mimeNextType(MimeDatabase))
1037 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1038 type->super, type->type);
1039
1040 for (filter = mimeFirstFilter(MimeDatabase);
1041 filter;
1042 filter = mimeNextFilter(MimeDatabase))
1043 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1044 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1045 filter->src->super, filter->src->type,
1046 filter->dst->super, filter->dst->type,
1047 filter->cost, filter->filter);
1048 }
1049
1050 /*
1051 * Load banners...
1052 */
1053
1054 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1055 cupsdLoadBanners(temp);
1056
1057 /*
1058 * Load printers and classes...
1059 */
1060
1061 cupsdLoadAllPrinters();
1062 cupsdLoadAllClasses();
1063 cupsdLoadRemoteCache();
1064 cupsdWritePrintcap();
1065
1066 cupsdCreateCommonData();
1067
1068 /*
1069 * Load queued jobs...
1070 */
1071
1072 cupsdLoadAllJobs();
1073
1074 /*
1075 * Load subscriptions...
1076 */
1077
1078 cupsdLoadAllSubscriptions();
1079
1080 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1081 }
1082 else
1083 {
1084 /*
1085 * Not a full reload, so recreate the common printer attributes...
1086 */
1087
1088 cupsdCreateCommonData();
1089
1090 /*
1091 * Update all printers as needed...
1092 */
1093
1094 cupsdUpdatePrinters();
1095 cupsdWritePrintcap();
1096
1097 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1098 }
1099
1100 /*
1101 * Reset the reload state...
1102 */
1103
1104 NeedReload = RELOAD_NONE;
1105
1106 cupsdClearString(&old_serverroot);
1107 cupsdClearString(&old_requestroot);
1108
1109 return (1);
1110 }
1111
1112
1113 /*
1114 * 'check_permissions()' - Fix the mode and ownership of a file or directory.
1115 */
1116
1117 static int /* O - 0 on success, -1 on error, 1 on warning */
1118 check_permissions(const char *filename, /* I - File/directory name */
1119 const char *suffix, /* I - Additional file/directory name */
1120 int mode, /* I - Permissions */
1121 int user, /* I - Owner */
1122 int group, /* I - Group */
1123 int is_dir, /* I - 1 = directory, 0 = file */
1124 int create_dir)/* I - 1 = create directory, 0 = not */
1125 {
1126 int dir_created = 0; /* Did we create a directory? */
1127 char pathname[1024]; /* File name with prefix */
1128 struct stat fileinfo; /* Stat buffer */
1129
1130
1131 /*
1132 * Prepend the given root to the filename before testing it...
1133 */
1134
1135 if (suffix)
1136 {
1137 snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
1138 filename = pathname;
1139 }
1140
1141 /*
1142 * See if we can stat the file/directory...
1143 */
1144
1145 if (stat(filename, &fileinfo))
1146 {
1147 if (errno == ENOENT && create_dir)
1148 {
1149 cupsdLogMessage(CUPSD_LOG_ERROR, "Creating missing directory \"%s\"",
1150 filename);
1151
1152 if (mkdir(filename, mode))
1153 {
1154 cupsdLogMessage(CUPSD_LOG_ERROR,
1155 "Unable to create directory \"%s\" - %s", filename,
1156 strerror(errno));
1157 return (-1);
1158 }
1159
1160 dir_created = 1;
1161 }
1162 else
1163 return (create_dir ? -1 : 1);
1164 }
1165
1166 /*
1167 * Make sure it's a regular file...
1168 */
1169
1170 if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
1171 {
1172 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file!", filename);
1173 return (-1);
1174 }
1175
1176 if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
1177 {
1178 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory!", filename);
1179 return (-1);
1180 }
1181
1182 /*
1183 * Fix owner, group, and mode as needed...
1184 */
1185
1186 if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
1187 {
1188 cupsdLogMessage(CUPSD_LOG_WARN, "Repairing ownership of \"%s\"", filename);
1189
1190 if (chown(filename, user, group))
1191 {
1192 cupsdLogMessage(CUPSD_LOG_ERROR,
1193 "Unable to change ownership of \"%s\" - %s", filename,
1194 strerror(errno));
1195 return (1);
1196 }
1197 }
1198
1199 if (dir_created || (fileinfo.st_mode & 07777) != mode)
1200 {
1201 cupsdLogMessage(CUPSD_LOG_WARN, "Repairing access permissions of \"%s\"", filename);
1202
1203 if (chmod(filename, mode))
1204 {
1205 cupsdLogMessage(CUPSD_LOG_ERROR,
1206 "Unable to change permissions of \"%s\" - %s", filename,
1207 strerror(errno));
1208 return (1);
1209 }
1210 }
1211
1212 /*
1213 * Everything is OK...
1214 */
1215
1216 return (0);
1217 }
1218
1219
1220 /*
1221 * 'get_address()' - Get an address + port number from a line.
1222 */
1223
1224 static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
1225 get_address(const char *value, /* I - Value string */
1226 int defport) /* I - Default port */
1227 {
1228 char buffer[1024], /* Hostname + port number buffer */
1229 defpname[255], /* Default port name */
1230 *hostname, /* Hostname or IP */
1231 *portname; /* Port number or name */
1232 http_addrlist_t *addrlist; /* Address list */
1233
1234
1235 /*
1236 * Check for an empty value...
1237 */
1238
1239 if (!*value)
1240 {
1241 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address!");
1242 return (NULL);
1243 }
1244
1245 /*
1246 * Grab a hostname and port number; if there is no colon and the port name
1247 * is only digits, then we have a port number by itself...
1248 */
1249
1250 strlcpy(buffer, value, sizeof(buffer));
1251
1252 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1253 {
1254 *portname++ = '\0';
1255 hostname = buffer;
1256 }
1257 else
1258 {
1259 for (portname = buffer; isdigit(*portname & 255); portname ++);
1260
1261 if (*portname)
1262 {
1263 /*
1264 * Use the default port...
1265 */
1266
1267 sprintf(defpname, "%d", defport);
1268 portname = defpname;
1269 hostname = buffer;
1270 }
1271 else
1272 {
1273 /*
1274 * The buffer contains just a port number...
1275 */
1276
1277 portname = buffer;
1278 hostname = NULL;
1279 }
1280 }
1281
1282 if (hostname && !strcmp(hostname, "*"))
1283 hostname = NULL;
1284
1285 /*
1286 * Now lookup the address using httpAddrGetList()...
1287 */
1288
1289 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1290 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed!",
1291 hostname ? hostname : "(nil)");
1292
1293 return (addrlist);
1294 }
1295
1296
1297 /*
1298 * 'get_addr_and_mask()' - Get an IP address and netmask.
1299 */
1300
1301 static int /* O - 1 on success, 0 on failure */
1302 get_addr_and_mask(const char *value, /* I - String from config file */
1303 unsigned *ip, /* O - Address value */
1304 unsigned *mask) /* O - Mask value */
1305 {
1306 int i, j, /* Looping vars */
1307 family, /* Address family */
1308 ipcount; /* Count of fields in address */
1309 unsigned ipval; /* Value */
1310 const char *maskval, /* Pointer to start of mask value */
1311 *ptr, /* Pointer into value */
1312 *ptr2; /* ... */
1313
1314
1315 /*
1316 * Get the address...
1317 */
1318
1319 ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
1320 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
1321
1322 if ((maskval = strchr(value, '/')) != NULL)
1323 maskval ++;
1324 else
1325 maskval = value + strlen(value);
1326
1327 #ifdef AF_INET6
1328 /*
1329 * Check for an IPv6 address...
1330 */
1331
1332 if (*value == '[')
1333 {
1334 /*
1335 * Parse hexadecimal IPv6 address...
1336 */
1337
1338 family = AF_INET6;
1339
1340 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1341 {
1342 if (*ptr == ']')
1343 break;
1344 else if (!strncmp(ptr, "::", 2))
1345 {
1346 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1347 ptr2;
1348 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1349
1350 i = 7 - j;
1351 ptr ++;
1352 }
1353 else if (isxdigit(*ptr & 255))
1354 {
1355 ipval = strtoul(ptr, (char **)&ptr, 16);
1356
1357 if (ipval > 0xffff)
1358 return (0);
1359
1360 if (i & 1)
1361 ip[i / 2] |= ipval;
1362 else
1363 ip[i / 2] |= ipval << 16;
1364 }
1365 else
1366 return (0);
1367
1368 while (*ptr == ':')
1369 ptr ++;
1370 }
1371
1372 if (*ptr != ']')
1373 return (0);
1374
1375 ptr ++;
1376
1377 if (*ptr && *ptr != '/')
1378 return (0);
1379 }
1380 else
1381 #endif /* AF_INET6 */
1382 {
1383 /*
1384 * Parse dotted-decimal IPv4 address...
1385 */
1386
1387 unsigned val[4]; /* IPv4 address values */
1388
1389
1390 family = AF_INET;
1391 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1392
1393 /*
1394 * Range check the IP numbers...
1395 */
1396
1397 for (i = 0; i < ipcount; i ++)
1398 if (val[i] > 255)
1399 return (0);
1400
1401 /*
1402 * Make sure the trailing values are zeroed, as some C libraries like
1403 * glibc apparently like to fill the unused arguments with garbage...
1404 */
1405
1406 for (i = ipcount; i < 4; i ++)
1407 val[i] = 0;
1408
1409 /*
1410 * Merge everything into a 32-bit IPv4 address in ip[3]...
1411 */
1412
1413 ip[3] = (((((val[0] << 8) | val[1]) << 8) | val[2]) << 8) | val[3];
1414
1415 if (ipcount < 4)
1416 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1417 }
1418
1419 if (*maskval)
1420 {
1421 /*
1422 * Get the netmask value(s)...
1423 */
1424
1425 memset(mask, 0, sizeof(unsigned) * 4);
1426
1427 if (strchr(maskval, '.'))
1428 {
1429 /*
1430 * Get dotted-decimal mask...
1431 */
1432
1433 if (family != AF_INET)
1434 return (0);
1435
1436 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2, mask + 3) != 4)
1437 return (0);
1438
1439 mask[3] |= ((((mask[0] << 8) | mask[1]) << 8) | mask[2]) << 8;
1440 mask[0] = mask[1] = mask[2] = 0;
1441 }
1442 else
1443 {
1444 /*
1445 * Get address/bits format...
1446 */
1447
1448 i = atoi(maskval);
1449
1450 #ifdef AF_INET6
1451 if (family == AF_INET6)
1452 {
1453 if (i > 128)
1454 return (0);
1455
1456 i = 128 - i;
1457
1458 if (i <= 96)
1459 mask[0] = 0xffffffff;
1460 else
1461 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1462
1463 if (i <= 64)
1464 mask[1] = 0xffffffff;
1465 else if (i >= 96)
1466 mask[1] = 0;
1467 else
1468 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1469
1470 if (i <= 32)
1471 mask[2] = 0xffffffff;
1472 else if (i >= 64)
1473 mask[2] = 0;
1474 else
1475 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1476
1477 if (i == 0)
1478 mask[3] = 0xffffffff;
1479 else if (i >= 32)
1480 mask[3] = 0;
1481 else
1482 mask[3] = (0xffffffff << i) & 0xffffffff;
1483 }
1484 else
1485 #endif /* AF_INET6 */
1486 {
1487 if (i > 32)
1488 return (0);
1489
1490 mask[0] = 0xffffffff;
1491 mask[1] = 0xffffffff;
1492 mask[2] = 0xffffffff;
1493
1494 if (i < 32)
1495 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
1496 else
1497 mask[3] = 0xffffffff;
1498 }
1499 }
1500 }
1501
1502 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1503 "get_addr_and_mask(value=\"%s\", "
1504 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
1505 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
1506 mask[3]);
1507
1508 /*
1509 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
1510 */
1511
1512 if ((ip[0] & ~mask[0]) != 0 ||
1513 (ip[1] & ~mask[1]) != 0 ||
1514 (ip[2] & ~mask[2]) != 0 ||
1515 (ip[3] & ~mask[3]) != 0)
1516 return (0);
1517
1518 return (1);
1519 }
1520
1521
1522 /*
1523 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
1524 */
1525
1526 static int /* O - 1 on success, 0 on failure */
1527 parse_aaa(cupsd_location_t *loc, /* I - Location */
1528 char *line, /* I - Line from file */
1529 char *value, /* I - Start of value data */
1530 int linenum) /* I - Current line number */
1531 {
1532 char *valptr; /* Pointer into value */
1533 unsigned ip[4], /* IP address components */
1534 mask[4]; /* IP netmask components */
1535
1536
1537 if (!strcasecmp(line, "Encryption"))
1538 {
1539 /*
1540 * "Encryption xxx" - set required encryption level...
1541 */
1542
1543 if (!strcasecmp(value, "never"))
1544 loc->encryption = HTTP_ENCRYPT_NEVER;
1545 else if (!strcasecmp(value, "always"))
1546 {
1547 cupsdLogMessage(CUPSD_LOG_ERROR,
1548 "Encryption value \"%s\" on line %d is invalid in this "
1549 "context. Using \"required\" instead.", value, linenum);
1550
1551 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1552 }
1553 else if (!strcasecmp(value, "required"))
1554 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1555 else if (!strcasecmp(value, "ifrequested"))
1556 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
1557 else
1558 {
1559 cupsdLogMessage(CUPSD_LOG_ERROR,
1560 "Unknown Encryption value %s on line %d.", value, linenum);
1561 return (0);
1562 }
1563 }
1564 else if (!strcasecmp(line, "Order"))
1565 {
1566 /*
1567 * "Order Deny,Allow" or "Order Allow,Deny"...
1568 */
1569
1570 if (!strncasecmp(value, "deny", 4))
1571 loc->order_type = AUTH_ALLOW;
1572 else if (!strncasecmp(value, "allow", 5))
1573 loc->order_type = AUTH_DENY;
1574 else
1575 {
1576 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d.",
1577 value, linenum);
1578 return (0);
1579 }
1580 }
1581 else if (!strcasecmp(line, "Allow") || !strcasecmp(line, "Deny"))
1582 {
1583 /*
1584 * Allow [From] host/ip...
1585 * Deny [From] host/ip...
1586 */
1587
1588 if (!strncasecmp(value, "from", 4))
1589 {
1590 /*
1591 * Strip leading "from"...
1592 */
1593
1594 value += 4;
1595
1596 while (isspace(*value & 255))
1597 value ++;
1598 }
1599
1600 /*
1601 * Figure out what form the allow/deny address takes:
1602 *
1603 * All
1604 * None
1605 * *.domain.com
1606 * .domain.com
1607 * host.domain.com
1608 * nnn.*
1609 * nnn.nnn.*
1610 * nnn.nnn.nnn.*
1611 * nnn.nnn.nnn.nnn
1612 * nnn.nnn.nnn.nnn/mm
1613 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
1614 */
1615
1616 if (!strcasecmp(value, "all"))
1617 {
1618 /*
1619 * All hosts...
1620 */
1621
1622 if (!strcasecmp(line, "Allow"))
1623 cupsdAllowIP(loc, zeros, zeros);
1624 else
1625 cupsdDenyIP(loc, zeros, zeros);
1626 }
1627 else if (!strcasecmp(value, "none"))
1628 {
1629 /*
1630 * No hosts...
1631 */
1632
1633 if (!strcasecmp(line, "Allow"))
1634 cupsdAllowIP(loc, ones, zeros);
1635 else
1636 cupsdDenyIP(loc, ones, zeros);
1637 }
1638 #ifdef AF_INET6
1639 else if (value[0] == '*' || value[0] == '.' ||
1640 (!isdigit(value[0] & 255) && value[0] != '['))
1641 #else
1642 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
1643 #endif /* AF_INET6 */
1644 {
1645 /*
1646 * Host or domain name...
1647 */
1648
1649 if (value[0] == '*')
1650 value ++;
1651
1652 if (!strcasecmp(line, "Allow"))
1653 cupsdAllowHost(loc, value);
1654 else
1655 cupsdDenyHost(loc, value);
1656 }
1657 else
1658 {
1659 /*
1660 * One of many IP address forms...
1661 */
1662
1663 if (!get_addr_and_mask(value, ip, mask))
1664 {
1665 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
1666 value, linenum);
1667 return (0);
1668 }
1669
1670 if (!strcasecmp(line, "Allow"))
1671 cupsdAllowIP(loc, ip, mask);
1672 else
1673 cupsdDenyIP(loc, ip, mask);
1674 }
1675 }
1676 else if (!strcasecmp(line, "AuthType"))
1677 {
1678 /*
1679 * AuthType {none,basic,digest,basicdigest}
1680 */
1681
1682 if (!strcasecmp(value, "none"))
1683 {
1684 loc->type = AUTH_NONE;
1685 loc->level = AUTH_ANON;
1686 }
1687 else if (!strcasecmp(value, "basic"))
1688 {
1689 loc->type = AUTH_BASIC;
1690
1691 if (loc->level == AUTH_ANON)
1692 loc->level = AUTH_USER;
1693 }
1694 else if (!strcasecmp(value, "digest"))
1695 {
1696 loc->type = AUTH_DIGEST;
1697
1698 if (loc->level == AUTH_ANON)
1699 loc->level = AUTH_USER;
1700 }
1701 else if (!strcasecmp(value, "basicdigest"))
1702 {
1703 loc->type = AUTH_BASICDIGEST;
1704
1705 if (loc->level == AUTH_ANON)
1706 loc->level = AUTH_USER;
1707 }
1708 else
1709 {
1710 cupsdLogMessage(CUPSD_LOG_WARN,
1711 "Unknown authorization type %s on line %d.",
1712 value, linenum);
1713 return (0);
1714 }
1715 }
1716 else if (!strcasecmp(line, "AuthClass"))
1717 {
1718 /*
1719 * AuthClass anonymous, user, system, group
1720 */
1721
1722 if (!strcasecmp(value, "anonymous"))
1723 {
1724 loc->type = AUTH_NONE;
1725 loc->level = AUTH_ANON;
1726
1727 cupsdLogMessage(CUPSD_LOG_WARN,
1728 "\"AuthClass %s\" is deprecated; consider removing "
1729 "it from line %d.",
1730 value, linenum);
1731 }
1732 else if (!strcasecmp(value, "user"))
1733 {
1734 loc->level = AUTH_USER;
1735
1736 cupsdLogMessage(CUPSD_LOG_WARN,
1737 "\"AuthClass %s\" is deprecated; consider using "
1738 "\"Require valid-user\" on line %d.",
1739 value, linenum);
1740 }
1741 else if (!strcasecmp(value, "group"))
1742 {
1743 loc->level = AUTH_GROUP;
1744
1745 cupsdLogMessage(CUPSD_LOG_WARN,
1746 "\"AuthClass %s\" is deprecated; consider using "
1747 "\"Require @groupname\" on line %d.",
1748 value, linenum);
1749 }
1750 else if (!strcasecmp(value, "system"))
1751 {
1752 loc->level = AUTH_GROUP;
1753
1754 cupsdAddName(loc, "@SYSTEM");
1755
1756 cupsdLogMessage(CUPSD_LOG_WARN,
1757 "\"AuthClass %s\" is deprecated; consider using "
1758 "\"Require @SYSTEM\" on line %d.",
1759 value, linenum);
1760 }
1761 else
1762 {
1763 cupsdLogMessage(CUPSD_LOG_WARN,
1764 "Unknown authorization class %s on line %d.",
1765 value, linenum);
1766 return (0);
1767 }
1768 }
1769 else if (!strcasecmp(line, "AuthGroupName"))
1770 {
1771 cupsdAddName(loc, value);
1772
1773 cupsdLogMessage(CUPSD_LOG_WARN,
1774 "\"AuthGroupName %s\" directive is deprecated; consider "
1775 "using \"Require @%s\" on line %d.",
1776 value, value, linenum);
1777 }
1778 else if (!strcasecmp(line, "Require"))
1779 {
1780 /*
1781 * Apache synonym for AuthClass and AuthGroupName...
1782 *
1783 * Get initial word:
1784 *
1785 * Require valid-user
1786 * Require group names
1787 * Require user names
1788 */
1789
1790 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1791
1792 if (*valptr)
1793 *valptr++ = '\0';
1794
1795 if (!strcasecmp(value, "valid-user") ||
1796 !strcasecmp(value, "user"))
1797 loc->level = AUTH_USER;
1798 else if (!strcasecmp(value, "group"))
1799 loc->level = AUTH_GROUP;
1800 else
1801 {
1802 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d.",
1803 value, linenum);
1804 return (0);
1805 }
1806
1807 /*
1808 * Get the list of names from the line...
1809 */
1810
1811 for (value = valptr; *value;)
1812 {
1813 while (isspace(*value & 255))
1814 value ++;
1815
1816 if (*value == '\"' || *value == '\'')
1817 {
1818 /*
1819 * Grab quoted name...
1820 */
1821
1822 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
1823
1824 value ++;
1825 }
1826 else
1827 {
1828 /*
1829 * Grab literal name.
1830 */
1831
1832 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1833 }
1834
1835 if (*valptr)
1836 *valptr++ = '\0';
1837
1838 cupsdAddName(loc, value);
1839
1840 for (value = valptr; isspace(*value & 255); value ++);
1841 }
1842 }
1843 else if (!strcasecmp(line, "Satisfy"))
1844 {
1845 if (!strcasecmp(value, "all"))
1846 loc->satisfy = AUTH_SATISFY_ALL;
1847 else if (!strcasecmp(value, "any"))
1848 loc->satisfy = AUTH_SATISFY_ANY;
1849 else
1850 {
1851 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d.",
1852 value, linenum);
1853 return (0);
1854 }
1855 }
1856 else
1857 return (0);
1858
1859 return (1);
1860 }
1861
1862
1863 /*
1864 * 'parse_groups()' - Parse system group names in a string.
1865 */
1866
1867 static int /* O - 1 on success, 0 on failure */
1868 parse_groups(const char *s) /* I - Space-delimited groups */
1869 {
1870 int status; /* Return status */
1871 char value[1024], /* Value string */
1872 *valstart, /* Pointer into value */
1873 *valend, /* End of value */
1874 quote; /* Quote character */
1875 struct group *group; /* Group */
1876
1877
1878 /*
1879 * Make a copy of the string and parse out the groups...
1880 */
1881
1882 strlcpy(value, s, sizeof(value));
1883
1884 status = 1;
1885 valstart = value;
1886
1887 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
1888 {
1889 if (*valstart == '\'' || *valstart == '\"')
1890 {
1891 /*
1892 * Scan quoted name...
1893 */
1894
1895 quote = *valstart++;
1896
1897 for (valend = valstart; *valend; valend ++)
1898 if (*valend == quote)
1899 break;
1900 }
1901 else
1902 {
1903 /*
1904 * Scan space or comma-delimited name...
1905 */
1906
1907 for (valend = valstart; *valend; valend ++)
1908 if (isspace(*valend) || *valend == ',')
1909 break;
1910 }
1911
1912 if (*valend)
1913 *valend++ = '\0';
1914
1915 group = getgrnam(valstart);
1916 if (group)
1917 {
1918 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
1919 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
1920
1921 NumSystemGroups ++;
1922 }
1923 else
1924 status = 0;
1925
1926 endgrent();
1927
1928 valstart = valend;
1929
1930 while (*valstart == ',' || isspace(*valstart))
1931 valstart ++;
1932 }
1933
1934 return (status);
1935 }
1936
1937
1938 /*
1939 * 'parse_protocols()' - Parse browse protocols in a string.
1940 */
1941
1942 static int /* O - Browse protocol bits */
1943 parse_protocols(const char *s) /* I - Space-delimited protocols */
1944 {
1945 int protocols; /* Browse protocol bits */
1946 char value[1024], /* Value string */
1947 *valstart, /* Pointer into value */
1948 *valend; /* End of value */
1949
1950
1951 /*
1952 * Empty protocol line yields NULL pointer...
1953 */
1954
1955 if (!s)
1956 return (0);
1957
1958 /*
1959 * Loop through the value string,...
1960 */
1961
1962 strlcpy(value, s, sizeof(value));
1963
1964 protocols = 0;
1965
1966 for (valstart = value; *valstart;)
1967 {
1968 /*
1969 * Get the current space/comma-delimited protocol name...
1970 */
1971
1972 for (valend = valstart; *valend; valend ++)
1973 if (isspace(*valend & 255) || *valend == ',')
1974 break;
1975
1976 if (*valend)
1977 *valend++ = '\0';
1978
1979 /*
1980 * Add the protocol to the bitmask...
1981 */
1982
1983 if (!strcasecmp(valstart, "cups"))
1984 protocols |= BROWSE_CUPS;
1985 else if (!strcasecmp(valstart, "slp"))
1986 protocols |= BROWSE_SLP;
1987 else if (!strcasecmp(valstart, "ldap"))
1988 protocols |= BROWSE_LDAP;
1989 else if (!strcasecmp(valstart, "dnssd") || !strcasecmp(valstart, "bonjour"))
1990 protocols |= BROWSE_DNSSD;
1991 else if (!strcasecmp(valstart, "all"))
1992 protocols |= BROWSE_ALL;
1993 else if (strcasecmp(valstart, "none"))
1994 return (-1);
1995
1996 for (valstart = valend; *valstart; valstart ++)
1997 if (!isspace(*valstart & 255) || *valstart != ',')
1998 break;
1999 }
2000
2001 return (protocols);
2002 }
2003
2004
2005 /*
2006 * 'read_configuration()' - Read a configuration file.
2007 */
2008
2009 static int /* O - 1 on success, 0 on failure */
2010 read_configuration(cups_file_t *fp) /* I - File to read from */
2011 {
2012 int i; /* Looping var */
2013 int linenum; /* Current line number */
2014 char line[HTTP_MAX_BUFFER],
2015 /* Line from file */
2016 temp[HTTP_MAX_BUFFER],
2017 /* Temporary buffer for value */
2018 temp2[HTTP_MAX_BUFFER],
2019 /* Temporary buffer 2 for value */
2020 *ptr, /* Pointer into line/temp */
2021 *value, /* Pointer to value */
2022 *valueptr; /* Pointer into value */
2023 int valuelen; /* Length of value */
2024 cupsd_var_t *var; /* Current variable */
2025 http_addrlist_t *addrlist, /* Address list */
2026 *addr; /* Current address */
2027 unsigned ip[4], /* Address value */
2028 mask[4]; /* Netmask value */
2029 cupsd_dirsvc_relay_t *relay; /* Relay data */
2030 cupsd_dirsvc_poll_t *pollp; /* Polling data */
2031 cupsd_location_t *location; /* Browse location */
2032 cups_file_t *incfile; /* Include file */
2033 char incname[1024]; /* Include filename */
2034 struct group *group; /* Group */
2035
2036
2037 /*
2038 * Loop through each line in the file...
2039 */
2040
2041 linenum = 0;
2042
2043 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2044 {
2045 /*
2046 * Decode the directive...
2047 */
2048
2049 if (!strcasecmp(line, "Include"))
2050 {
2051 /*
2052 * Include filename
2053 */
2054
2055 if (value[0] == '/')
2056 strlcpy(incname, value, sizeof(incname));
2057 else
2058 snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
2059
2060 if ((incfile = cupsFileOpen(incname, "rb")) == NULL)
2061 cupsdLogMessage(CUPSD_LOG_ERROR,
2062 "Unable to include config file \"%s\" - %s",
2063 incname, strerror(errno));
2064 else
2065 {
2066 read_configuration(incfile);
2067 cupsFileClose(incfile);
2068 }
2069 }
2070 else if (!strcasecmp(line, "<Location"))
2071 {
2072 /*
2073 * <Location path>
2074 */
2075
2076 if (value)
2077 {
2078 linenum = read_location(fp, value, linenum);
2079 if (linenum == 0)
2080 return (0);
2081 }
2082 else
2083 {
2084 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.",
2085 linenum);
2086 return (0);
2087 }
2088 }
2089 else if (!strcasecmp(line, "<Policy"))
2090 {
2091 /*
2092 * <Policy name>
2093 */
2094
2095 if (value)
2096 {
2097 linenum = read_policy(fp, value, linenum);
2098 if (linenum == 0)
2099 return (0);
2100 }
2101 else
2102 {
2103 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2104 return (0);
2105 }
2106 }
2107 else if (!strcasecmp(line, "FaxRetryInterval"))
2108 {
2109 if (value)
2110 {
2111 JobRetryInterval = atoi(value);
2112 cupsdLogMessage(CUPSD_LOG_WARN,
2113 "FaxRetryInterval is deprecated; use "
2114 "JobRetryInterval on line %d.", linenum);
2115 }
2116 else
2117 {
2118 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2119 return (0);
2120 }
2121 }
2122 else if (!strcasecmp(line, "FaxRetryLimit"))
2123 {
2124 if (value)
2125 {
2126 JobRetryLimit = atoi(value);
2127 cupsdLogMessage(CUPSD_LOG_WARN,
2128 "FaxRetryLimit is deprecated; use "
2129 "JobRetryLimit on line %d.", linenum);
2130 }
2131 else
2132 {
2133 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2134 return (0);
2135 }
2136 }
2137 else if (!strcasecmp(line, "Port") || !strcasecmp(line, "Listen")
2138 #ifdef HAVE_SSL
2139 || !strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen")
2140 #endif /* HAVE_SSL */
2141 )
2142 {
2143 /*
2144 * Add listening address(es) to the list...
2145 */
2146
2147 cupsd_listener_t *lis; /* New listeners array */
2148
2149
2150 /*
2151 * Get the address list...
2152 */
2153
2154 addrlist = get_address(value, IPP_PORT);
2155
2156 if (!addrlist)
2157 {
2158 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
2159 value, linenum);
2160 continue;
2161 }
2162
2163 /*
2164 * Add each address...
2165 */
2166
2167 for (addr = addrlist; addr; addr = addr->next)
2168 {
2169 /*
2170 * Allocate another listener...
2171 */
2172
2173 if (!Listeners)
2174 Listeners = cupsArrayNew(NULL, NULL);
2175
2176 if (!Listeners)
2177 {
2178 cupsdLogMessage(CUPSD_LOG_ERROR,
2179 "Unable to allocate %s at line %d - %s.",
2180 line, linenum, strerror(errno));
2181 break;
2182 }
2183
2184 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
2185 {
2186 cupsdLogMessage(CUPSD_LOG_ERROR,
2187 "Unable to allocate %s at line %d - %s.",
2188 line, linenum, strerror(errno));
2189 break;
2190 }
2191
2192 cupsArrayAdd(Listeners, lis);
2193
2194 /*
2195 * Copy the current address and log it...
2196 */
2197
2198 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
2199 lis->fd = -1;
2200
2201 #ifdef HAVE_SSL
2202 if (!strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen"))
2203 lis->encryption = HTTP_ENCRYPT_ALWAYS;
2204 #endif /* HAVE_SSL */
2205
2206 httpAddrString(&lis->address, temp, sizeof(temp));
2207
2208 #ifdef AF_INET6
2209 if (lis->address.addr.sa_family == AF_INET6)
2210 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv6)", temp,
2211 ntohs(lis->address.ipv6.sin6_port));
2212 else
2213 #endif /* AF_INET6 */
2214 #ifdef AF_LOCAL
2215 if (lis->address.addr.sa_family == AF_LOCAL)
2216 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
2217 else
2218 #endif /* AF_LOCAL */
2219 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv4)", temp,
2220 ntohs(lis->address.ipv4.sin_port));
2221 }
2222
2223 /*
2224 * Free the list...
2225 */
2226
2227 httpAddrFreeList(addrlist);
2228 }
2229 else if (!strcasecmp(line, "BrowseAddress"))
2230 {
2231 /*
2232 * Add a browse address to the list...
2233 */
2234
2235 cupsd_dirsvc_addr_t *dira; /* New browse address array */
2236
2237
2238 if (NumBrowsers == 0)
2239 dira = malloc(sizeof(cupsd_dirsvc_addr_t));
2240 else
2241 dira = realloc(Browsers, (NumBrowsers + 1) * sizeof(cupsd_dirsvc_addr_t));
2242
2243 if (!dira)
2244 {
2245 cupsdLogMessage(CUPSD_LOG_ERROR,
2246 "Unable to allocate BrowseAddress at line %d - %s.",
2247 linenum, strerror(errno));
2248 continue;
2249 }
2250
2251 Browsers = dira;
2252 dira += NumBrowsers;
2253
2254 memset(dira, 0, sizeof(cupsd_dirsvc_addr_t));
2255
2256 if (!strcasecmp(value, "@LOCAL"))
2257 {
2258 /*
2259 * Send browse data to all local interfaces...
2260 */
2261
2262 strcpy(dira->iface, "*");
2263 NumBrowsers ++;
2264 }
2265 else if (!strncasecmp(value, "@IF(", 4))
2266 {
2267 /*
2268 * Send browse data to the named interface...
2269 */
2270
2271 strlcpy(dira->iface, value + 4, sizeof(Browsers[0].iface));
2272
2273 ptr = dira->iface + strlen(dira->iface) - 1;
2274 if (*ptr == ')')
2275 *ptr = '\0';
2276
2277 NumBrowsers ++;
2278 }
2279 else if ((addrlist = get_address(value, BrowsePort)) != NULL)
2280 {
2281 /*
2282 * Only IPv4 addresses are supported...
2283 */
2284
2285 for (addr = addrlist; addr; addr = addr->next)
2286 if (addr->addr.addr.sa_family == AF_INET)
2287 break;
2288
2289 if (addr)
2290 {
2291 memcpy(&(dira->to), &(addrlist->addr), sizeof(dira->to));
2292 httpAddrString(&(dira->to), temp, sizeof(temp));
2293
2294 cupsdLogMessage(CUPSD_LOG_INFO,
2295 "Sending browsing info to %s:%d (IPv4)",
2296 temp, ntohs(dira->to.ipv4.sin_port));
2297
2298 NumBrowsers ++;
2299 }
2300 else
2301 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2302 value, linenum);
2303
2304 httpAddrFreeList(addrlist);
2305 }
2306 else
2307 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2308 value, linenum);
2309 }
2310 else if (!strcasecmp(line, "BrowseOrder"))
2311 {
2312 /*
2313 * "BrowseOrder Deny,Allow" or "BrowseOrder Allow,Deny"...
2314 */
2315
2316 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2317 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2318
2319 if (location == NULL)
2320 cupsdLogMessage(CUPSD_LOG_ERROR,
2321 "Unable to initialize browse access control list!");
2322 else if (!strncasecmp(value, "deny", 4))
2323 location->order_type = AUTH_ALLOW;
2324 else if (!strncasecmp(value, "allow", 5))
2325 location->order_type = AUTH_DENY;
2326 else
2327 cupsdLogMessage(CUPSD_LOG_ERROR,
2328 "Unknown BrowseOrder value %s on line %d.",
2329 value, linenum);
2330 }
2331 else if (!strcasecmp(line, "BrowseProtocols") ||
2332 !strcasecmp(line, "BrowseLocalProtocols") ||
2333 !strcasecmp(line, "BrowseRemoteProtocols"))
2334 {
2335 /*
2336 * "BrowseProtocols name [... name]"
2337 * "BrowseLocalProtocols name [... name]"
2338 * "BrowseRemoteProtocols name [... name]"
2339 */
2340
2341 int protocols = parse_protocols(value);
2342
2343 if (protocols < 0)
2344 {
2345 cupsdLogMessage(CUPSD_LOG_ERROR,
2346 "Unknown browse protocol \"%s\" on line %d.",
2347 value, linenum);
2348 break;
2349 }
2350
2351 if (strcasecmp(line, "BrowseLocalProtocols"))
2352 BrowseRemoteProtocols = protocols;
2353 if (strcasecmp(line, "BrowseRemoteProtocols"))
2354 BrowseLocalProtocols = protocols;
2355 }
2356 else if (!strcasecmp(line, "BrowseAllow") ||
2357 !strcasecmp(line, "BrowseDeny"))
2358 {
2359 /*
2360 * BrowseAllow [From] host/ip...
2361 * BrowseDeny [From] host/ip...
2362 */
2363
2364 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2365 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2366
2367 if (location == NULL)
2368 cupsdLogMessage(CUPSD_LOG_ERROR,
2369 "Unable to initialize browse access control list!");
2370 else
2371 {
2372 if (!strncasecmp(value, "from ", 5))
2373 {
2374 /*
2375 * Strip leading "from"...
2376 */
2377
2378 value += 5;
2379
2380 while (isspace(*value))
2381 value ++;
2382 }
2383
2384 /*
2385 * Figure out what form the allow/deny address takes:
2386 *
2387 * All
2388 * None
2389 * *.domain.com
2390 * .domain.com
2391 * host.domain.com
2392 * nnn.*
2393 * nnn.nnn.*
2394 * nnn.nnn.nnn.*
2395 * nnn.nnn.nnn.nnn
2396 * nnn.nnn.nnn.nnn/mm
2397 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2398 */
2399
2400 if (!strcasecmp(value, "all"))
2401 {
2402 /*
2403 * All hosts...
2404 */
2405
2406 if (!strcasecmp(line, "BrowseAllow"))
2407 cupsdAllowIP(location, zeros, zeros);
2408 else
2409 cupsdDenyIP(location, zeros, zeros);
2410 }
2411 else if (!strcasecmp(value, "none"))
2412 {
2413 /*
2414 * No hosts...
2415 */
2416
2417 if (!strcasecmp(line, "BrowseAllow"))
2418 cupsdAllowIP(location, ones, zeros);
2419 else
2420 cupsdDenyIP(location, ones, zeros);
2421 }
2422 #ifdef AF_INET6
2423 else if (value[0] == '*' || value[0] == '.' ||
2424 (!isdigit(value[0] & 255) && value[0] != '['))
2425 #else
2426 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2427 #endif /* AF_INET6 */
2428 {
2429 /*
2430 * Host or domain name...
2431 */
2432
2433 if (value[0] == '*')
2434 value ++;
2435
2436 if (!strcasecmp(line, "BrowseAllow"))
2437 cupsdAllowHost(location, value);
2438 else
2439 cupsdDenyHost(location, value);
2440 }
2441 else
2442 {
2443 /*
2444 * One of many IP address forms...
2445 */
2446
2447 if (!get_addr_and_mask(value, ip, mask))
2448 {
2449 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2450 value, linenum);
2451 break;
2452 }
2453
2454 if (!strcasecmp(line, "BrowseAllow"))
2455 cupsdAllowIP(location, ip, mask);
2456 else
2457 cupsdDenyIP(location, ip, mask);
2458 }
2459 }
2460 }
2461 else if (!strcasecmp(line, "BrowseRelay"))
2462 {
2463 /*
2464 * BrowseRelay [from] source [to] destination
2465 */
2466
2467 if (NumRelays == 0)
2468 relay = malloc(sizeof(cupsd_dirsvc_relay_t));
2469 else
2470 relay = realloc(Relays, (NumRelays + 1) * sizeof(cupsd_dirsvc_relay_t));
2471
2472 if (!relay)
2473 {
2474 cupsdLogMessage(CUPSD_LOG_ERROR,
2475 "Unable to allocate BrowseRelay at line %d - %s.",
2476 linenum, strerror(errno));
2477 continue;
2478 }
2479
2480 Relays = relay;
2481 relay += NumRelays;
2482
2483 memset(relay, 0, sizeof(cupsd_dirsvc_relay_t));
2484
2485 if (!strncasecmp(value, "from ", 5))
2486 {
2487 /*
2488 * Strip leading "from"...
2489 */
2490
2491 value += 5;
2492
2493 while (isspace(*value))
2494 value ++;
2495 }
2496
2497 /*
2498 * Figure out what form the from address takes:
2499 *
2500 * *.domain.com
2501 * .domain.com
2502 * host.domain.com
2503 * nnn.*
2504 * nnn.nnn.*
2505 * nnn.nnn.nnn.*
2506 * nnn.nnn.nnn.nnn
2507 * nnn.nnn.nnn.nnn/mm
2508 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2509 */
2510
2511 #ifdef AF_INET6
2512 if (value[0] == '*' || value[0] == '.' ||
2513 (!isdigit(value[0] & 255) && value[0] != '['))
2514 #else
2515 if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2516 #endif /* AF_INET6 */
2517 {
2518 /*
2519 * Host or domain name...
2520 */
2521
2522 if (value[0] == '*')
2523 value ++;
2524
2525 strlcpy(temp, value, sizeof(temp));
2526 if ((ptr = strchr(temp, ' ')) != NULL)
2527 *ptr = '\0';
2528
2529 relay->from.type = AUTH_NAME;
2530 relay->from.mask.name.name = strdup(temp);
2531 relay->from.mask.name.length = strlen(temp);
2532 }
2533 else
2534 {
2535 /*
2536 * One of many IP address forms...
2537 */
2538
2539 if (!get_addr_and_mask(value, ip, mask))
2540 {
2541 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2542 value, linenum);
2543 break;
2544 }
2545
2546 relay->from.type = AUTH_IP;
2547 memcpy(relay->from.mask.ip.address, ip,
2548 sizeof(relay->from.mask.ip.address));
2549 memcpy(relay->from.mask.ip.netmask, mask,
2550 sizeof(relay->from.mask.ip.netmask));
2551 }
2552
2553 /*
2554 * Skip value and trailing whitespace...
2555 */
2556
2557 for (; *value; value ++)
2558 if (isspace(*value))
2559 break;
2560
2561 while (isspace(*value))
2562 value ++;
2563
2564 if (!strncasecmp(value, "to ", 3))
2565 {
2566 /*
2567 * Strip leading "to"...
2568 */
2569
2570 value += 3;
2571
2572 while (isspace(*value))
2573 value ++;
2574 }
2575
2576 /*
2577 * Get "to" address and port...
2578 */
2579
2580 if ((addrlist = get_address(value, BrowsePort)) != NULL)
2581 {
2582 /*
2583 * Only IPv4 addresses are supported...
2584 */
2585
2586 for (addr = addrlist; addr; addr = addr->next)
2587 if (addr->addr.addr.sa_family == AF_INET)
2588 break;
2589
2590 if (addr)
2591 {
2592 memcpy(&(relay->to), &(addrlist->addr), sizeof(relay->to));
2593
2594 httpAddrString(&(relay->to), temp, sizeof(temp));
2595
2596 if (relay->from.type == AUTH_IP)
2597 snprintf(temp2, sizeof(temp2), "%u.%u.%u.%u/%u.%u.%u.%u",
2598 relay->from.mask.ip.address[0],
2599 relay->from.mask.ip.address[1],
2600 relay->from.mask.ip.address[2],
2601 relay->from.mask.ip.address[3],
2602 relay->from.mask.ip.netmask[0],
2603 relay->from.mask.ip.netmask[1],
2604 relay->from.mask.ip.netmask[2],
2605 relay->from.mask.ip.netmask[3]);
2606 else
2607 strlcpy(temp2, relay->from.mask.name.name, sizeof(temp2));
2608
2609 cupsdLogMessage(CUPSD_LOG_INFO, "Relaying from %s to %s:%d (IPv4)",
2610 temp2, temp, ntohs(relay->to.ipv4.sin_port));
2611
2612 NumRelays ++;
2613 }
2614 else
2615 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2616 value, linenum);
2617
2618 httpAddrFreeList(addrlist);
2619 }
2620 else
2621 {
2622 if (relay->from.type == AUTH_NAME)
2623 free(relay->from.mask.name.name);
2624
2625 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2626 value, linenum);
2627 }
2628 }
2629 else if (!strcasecmp(line, "BrowsePoll"))
2630 {
2631 /*
2632 * BrowsePoll address[:port]
2633 */
2634
2635 char *portname; /* Port name */
2636 int portnum; /* Port number */
2637 struct servent *service; /* Service */
2638
2639
2640 /*
2641 * Extract the port name from the address...
2642 */
2643
2644 if ((portname = strrchr(value, ':')) != NULL && !strchr(portname, ']'))
2645 {
2646 *portname++ = '\0';
2647
2648 if (isdigit(*portname & 255))
2649 portnum = atoi(portname);
2650 else if ((service = getservbyname(portname, NULL)) != NULL)
2651 portnum = ntohs(service->s_port);
2652 else
2653 {
2654 cupsdLogMessage(CUPSD_LOG_ERROR, "Lookup of service \"%s\" failed!",
2655 portname);
2656 continue;
2657 }
2658 }
2659 else
2660 portnum = ippPort();
2661
2662 /*
2663 * Add the poll entry...
2664 */
2665
2666 if (NumPolled == 0)
2667 pollp = malloc(sizeof(cupsd_dirsvc_poll_t));
2668 else
2669 pollp = realloc(Polled, (NumPolled + 1) * sizeof(cupsd_dirsvc_poll_t));
2670
2671 if (!pollp)
2672 {
2673 cupsdLogMessage(CUPSD_LOG_ERROR,
2674 "Unable to allocate BrowsePoll at line %d - %s.",
2675 linenum, strerror(errno));
2676 continue;
2677 }
2678
2679 Polled = pollp;
2680 pollp += NumPolled;
2681
2682 NumPolled ++;
2683 memset(pollp, 0, sizeof(cupsd_dirsvc_poll_t));
2684
2685 strlcpy(pollp->hostname, value, sizeof(pollp->hostname));
2686 pollp->port = portnum;
2687
2688 cupsdLogMessage(CUPSD_LOG_INFO, "Polling %s:%d", pollp->hostname,
2689 pollp->port);
2690 }
2691 else if (!strcasecmp(line, "DefaultAuthType"))
2692 {
2693 /*
2694 * DefaultAuthType {basic,digest,basicdigest}
2695 */
2696
2697 if (!strcasecmp(value, "basic"))
2698 DefaultAuthType = AUTH_BASIC;
2699 else if (!strcasecmp(value, "digest"))
2700 DefaultAuthType = AUTH_DIGEST;
2701 else if (!strcasecmp(value, "basicdigest"))
2702 DefaultAuthType = AUTH_BASICDIGEST;
2703 else
2704 {
2705 cupsdLogMessage(CUPSD_LOG_WARN,
2706 "Unknown default authorization type %s on line %d.",
2707 value, linenum);
2708 return (0);
2709 }
2710 }
2711 #ifdef HAVE_SSL
2712 else if (!strcasecmp(line, "DefaultEncryption"))
2713 {
2714 /*
2715 * DefaultEncryption {Never,IfRequested,Required}
2716 */
2717
2718 if (!value || !strcasecmp(value, "never"))
2719 DefaultEncryption = HTTP_ENCRYPT_NEVER;
2720 else if (!strcasecmp(value, "required"))
2721 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
2722 else if (!strcasecmp(value, "ifrequested"))
2723 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
2724 else
2725 {
2726 cupsdLogMessage(CUPSD_LOG_WARN,
2727 "Unknown default encryption %s on line %d.",
2728 value, linenum);
2729 return (0);
2730 }
2731 }
2732 #endif /* HAVE_SSL */
2733 else if (!strcasecmp(line, "User"))
2734 {
2735 /*
2736 * User ID to run as...
2737 */
2738
2739 if (value && isdigit(value[0] & 255))
2740 {
2741 int uid = atoi(value);
2742
2743 if (!uid)
2744 cupsdLogMessage(CUPSD_LOG_ERROR,
2745 "Will not use User 0 as specified on line %d "
2746 "for security reasons. You must use a non-"
2747 "privileged account instead.",
2748 linenum);
2749 else
2750 User = atoi(value);
2751 }
2752 else if (value)
2753 {
2754 struct passwd *p; /* Password information */
2755
2756 endpwent();
2757 p = getpwnam(value);
2758
2759 if (p)
2760 {
2761 if (!p->pw_uid)
2762 cupsdLogMessage(CUPSD_LOG_ERROR,
2763 "Will not use User %s (UID=0) as specified on line "
2764 "%d for security reasons. You must use a non-"
2765 "privileged account instead.",
2766 value, linenum);
2767 else
2768 User = p->pw_uid;
2769 }
2770 else
2771 cupsdLogMessage(CUPSD_LOG_ERROR,
2772 "Unknown User \"%s\" on line %d, ignoring!",
2773 value, linenum);
2774 }
2775 else
2776 cupsdLogMessage(CUPSD_LOG_ERROR,
2777 "User directive on line %d missing the username!",
2778 linenum);
2779 }
2780 else if (!strcasecmp(line, "Group"))
2781 {
2782 /*
2783 * Group ID to run as...
2784 */
2785
2786 if (isdigit(value[0]))
2787 Group = atoi(value);
2788 else
2789 {
2790 endgrent();
2791 group = getgrnam(value);
2792
2793 if (group != NULL)
2794 Group = group->gr_gid;
2795 else
2796 cupsdLogMessage(CUPSD_LOG_ERROR,
2797 "Unknown Group \"%s\" on line %d, ignoring!",
2798 value, linenum);
2799 }
2800 }
2801 else if (!strcasecmp(line, "SystemGroup"))
2802 {
2803 /*
2804 * SystemGroup (admin) group(s)...
2805 */
2806
2807 if (!parse_groups(value))
2808 cupsdLogMessage(CUPSD_LOG_ERROR,
2809 "Unknown SystemGroup \"%s\" on line %d, ignoring!",
2810 value, linenum);
2811 }
2812 else if (!strcasecmp(line, "HostNameLookups"))
2813 {
2814 /*
2815 * Do hostname lookups?
2816 */
2817
2818 if (!strcasecmp(value, "off"))
2819 HostNameLookups = 0;
2820 else if (!strcasecmp(value, "on"))
2821 HostNameLookups = 1;
2822 else if (!strcasecmp(value, "double"))
2823 HostNameLookups = 2;
2824 else
2825 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d.",
2826 value, linenum);
2827 }
2828 else if (!strcasecmp(line, "LogLevel"))
2829 {
2830 /*
2831 * Amount of logging to do...
2832 */
2833
2834 if (!strcasecmp(value, "debug2"))
2835 LogLevel = CUPSD_LOG_DEBUG2;
2836 else if (!strcasecmp(value, "debug"))
2837 LogLevel = CUPSD_LOG_DEBUG;
2838 else if (!strcasecmp(value, "info"))
2839 LogLevel = CUPSD_LOG_INFO;
2840 else if (!strcasecmp(value, "notice"))
2841 LogLevel = CUPSD_LOG_NOTICE;
2842 else if (!strcasecmp(value, "warn"))
2843 LogLevel = CUPSD_LOG_WARN;
2844 else if (!strcasecmp(value, "error"))
2845 LogLevel = CUPSD_LOG_ERROR;
2846 else if (!strcasecmp(value, "crit"))
2847 LogLevel = CUPSD_LOG_CRIT;
2848 else if (!strcasecmp(value, "alert"))
2849 LogLevel = CUPSD_LOG_ALERT;
2850 else if (!strcasecmp(value, "emerg"))
2851 LogLevel = CUPSD_LOG_EMERG;
2852 else if (!strcasecmp(value, "none"))
2853 LogLevel = CUPSD_LOG_NONE;
2854 else
2855 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d.",
2856 value, linenum);
2857 }
2858 else if (!strcasecmp(line, "PrintcapFormat"))
2859 {
2860 /*
2861 * Format of printcap file?
2862 */
2863
2864 if (!strcasecmp(value, "bsd"))
2865 PrintcapFormat = PRINTCAP_BSD;
2866 else if (!strcasecmp(value, "solaris"))
2867 PrintcapFormat = PRINTCAP_SOLARIS;
2868 else
2869 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown PrintcapFormat %s on line %d.",
2870 value, linenum);
2871 }
2872 else if (!strcasecmp(line, "ServerTokens"))
2873 {
2874 /*
2875 * Set the string used for the Server header...
2876 */
2877
2878 struct utsname plat; /* Platform info */
2879
2880
2881 uname(&plat);
2882
2883 if (!strcasecmp(value, "ProductOnly"))
2884 cupsdSetString(&ServerHeader, "CUPS");
2885 else if (!strcasecmp(value, "Major"))
2886 cupsdSetString(&ServerHeader, "CUPS/1");
2887 else if (!strcasecmp(value, "Minor"))
2888 cupsdSetString(&ServerHeader, "CUPS/1.2");
2889 else if (!strcasecmp(value, "Minimal"))
2890 cupsdSetString(&ServerHeader, CUPS_MINIMAL);
2891 else if (!strcasecmp(value, "OS"))
2892 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s)", plat.sysname);
2893 else if (!strcasecmp(value, "Full"))
2894 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s) IPP/1.1",
2895 plat.sysname);
2896 else if (!strcasecmp(value, "None"))
2897 cupsdClearString(&ServerHeader);
2898 else
2899 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d.",
2900 value, linenum);
2901 }
2902 else if (!strcasecmp(line, "PassEnv"))
2903 {
2904 /*
2905 * PassEnv variable [... variable]
2906 */
2907
2908 for (; *value;)
2909 {
2910 for (valuelen = 0; value[valuelen]; valuelen ++)
2911 if (isspace(value[valuelen]) || value[valuelen] == ',')
2912 break;
2913
2914 if (value[valuelen])
2915 {
2916 value[valuelen] = '\0';
2917 valuelen ++;
2918 }
2919
2920 cupsdSetEnv(value, NULL);
2921
2922 for (value += valuelen; *value; value ++)
2923 if (!isspace(*value) || *value != ',')
2924 break;
2925 }
2926 }
2927 else if (!strcasecmp(line, "SetEnv"))
2928 {
2929 /*
2930 * SetEnv variable value
2931 */
2932
2933 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
2934
2935 if (*valueptr)
2936 {
2937 /*
2938 * Found a value...
2939 */
2940
2941 while (isspace(*valueptr & 255))
2942 *valueptr++ = '\0';
2943
2944 cupsdSetEnv(value, valueptr);
2945 }
2946 else
2947 cupsdLogMessage(CUPSD_LOG_ERROR,
2948 "Missing value for SetEnv directive on line %d.",
2949 linenum);
2950 }
2951 else
2952 {
2953 /*
2954 * Find a simple variable in the list...
2955 */
2956
2957 for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
2958 if (!strcasecmp(line, var->name))
2959 break;
2960
2961 if (i == 0)
2962 {
2963 /*
2964 * Unknown directive! Output an error message and continue...
2965 */
2966
2967 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d.",
2968 line, linenum);
2969 continue;
2970 }
2971
2972 switch (var->type)
2973 {
2974 case CUPSD_VARTYPE_INTEGER :
2975 if (!value)
2976 cupsdLogMessage(CUPSD_LOG_ERROR,
2977 "Missing integer value for %s on line %d!",
2978 line, linenum);
2979 else
2980 {
2981 int n; /* Number */
2982 char *units; /* Units */
2983
2984
2985 n = strtol(value, &units, 0);
2986
2987 if (units && *units)
2988 {
2989 if (tolower(units[0] & 255) == 'g')
2990 n *= 1024 * 1024 * 1024;
2991 else if (tolower(units[0] & 255) == 'm')
2992 n *= 1024 * 1024;
2993 else if (tolower(units[0] & 255) == 'k')
2994 n *= 1024;
2995 else if (tolower(units[0] & 255) == 't')
2996 n *= 262144;
2997 }
2998
2999 if (n < 0)
3000 cupsdLogMessage(CUPSD_LOG_ERROR,
3001 "Bad negative integer value for %s on line %d!",
3002 line, linenum);
3003 else
3004 *((int *)var->ptr) = n;
3005 }
3006 break;
3007
3008 case CUPSD_VARTYPE_BOOLEAN :
3009 if (!value)
3010 cupsdLogMessage(CUPSD_LOG_ERROR,
3011 "Missing boolean value for %s on line %d!",
3012 line, linenum);
3013 else if (!strcasecmp(value, "true") ||
3014 !strcasecmp(value, "on") ||
3015 !strcasecmp(value, "enabled") ||
3016 !strcasecmp(value, "yes") ||
3017 atoi(value) != 0)
3018 *((int *)var->ptr) = TRUE;
3019 else if (!strcasecmp(value, "false") ||
3020 !strcasecmp(value, "off") ||
3021 !strcasecmp(value, "disabled") ||
3022 !strcasecmp(value, "no") ||
3023 !strcasecmp(value, "0"))
3024 *((int *)var->ptr) = FALSE;
3025 else
3026 cupsdLogMessage(CUPSD_LOG_ERROR,
3027 "Unknown boolean value %s on line %d.",
3028 value, linenum);
3029 break;
3030
3031 case CUPSD_VARTYPE_STRING :
3032 cupsdSetString((char **)var->ptr, value);
3033 break;
3034 }
3035 }
3036 }
3037
3038 return (1);
3039 }
3040
3041
3042 /*
3043 * 'read_location()' - Read a <Location path> definition.
3044 */
3045
3046 static int /* O - New line number or 0 on error */
3047 read_location(cups_file_t *fp, /* I - Configuration file */
3048 char *location, /* I - Location name/path */
3049 int linenum) /* I - Current line number */
3050 {
3051 cupsd_location_t *loc, /* New location */
3052 *parent; /* Parent location */
3053 char line[HTTP_MAX_BUFFER],
3054 /* Line buffer */
3055 *value, /* Value for directive */
3056 *valptr; /* Pointer into value */
3057
3058
3059 if ((parent = cupsdAddLocation(location)) == NULL)
3060 return (0);
3061
3062 parent->limit = AUTH_LIMIT_ALL;
3063 loc = parent;
3064
3065 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3066 {
3067 /*
3068 * Decode the directive...
3069 */
3070
3071 if (!strcasecmp(line, "</Location>"))
3072 return (linenum);
3073 else if (!strcasecmp(line, "<Limit") ||
3074 !strcasecmp(line, "<LimitExcept"))
3075 {
3076 if (!value)
3077 {
3078 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3079 return (0);
3080 }
3081
3082 if ((loc = cupsdCopyLocation(&parent)) == NULL)
3083 return (0);
3084
3085 loc->limit = 0;
3086 while (*value)
3087 {
3088 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3089
3090 if (*valptr)
3091 *valptr++ = '\0';
3092
3093 if (!strcmp(value, "ALL"))
3094 loc->limit = AUTH_LIMIT_ALL;
3095 else if (!strcmp(value, "GET"))
3096 loc->limit |= AUTH_LIMIT_GET;
3097 else if (!strcmp(value, "HEAD"))
3098 loc->limit |= AUTH_LIMIT_HEAD;
3099 else if (!strcmp(value, "OPTIONS"))
3100 loc->limit |= AUTH_LIMIT_OPTIONS;
3101 else if (!strcmp(value, "POST"))
3102 loc->limit |= AUTH_LIMIT_POST;
3103 else if (!strcmp(value, "PUT"))
3104 loc->limit |= AUTH_LIMIT_PUT;
3105 else if (!strcmp(value, "TRACE"))
3106 loc->limit |= AUTH_LIMIT_TRACE;
3107 else
3108 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d!",
3109 value, linenum);
3110
3111 for (value = valptr; isspace(*value & 255); value ++);
3112 }
3113
3114 if (!strcasecmp(line, "<LimitExcept"))
3115 loc->limit = AUTH_LIMIT_ALL ^ loc->limit;
3116
3117 parent->limit &= ~loc->limit;
3118 }
3119 else if (!strcasecmp(line, "</Limit>"))
3120 loc = parent;
3121 else if (!parse_aaa(loc, line, value, linenum))
3122 {
3123 cupsdLogMessage(CUPSD_LOG_ERROR,
3124 "Unknown Location directive %s on line %d.",
3125 line, linenum);
3126 return (0);
3127 }
3128 }
3129
3130 cupsdLogMessage(CUPSD_LOG_ERROR,
3131 "Unexpected end-of-file at line %d while reading location!",
3132 linenum);
3133
3134 return (0);
3135 }
3136
3137
3138 /*
3139 * 'read_policy()' - Read a <Policy name> definition.
3140 */
3141
3142 static int /* O - New line number or 0 on error */
3143 read_policy(cups_file_t *fp, /* I - Configuration file */
3144 char *policy, /* I - Location name/path */
3145 int linenum) /* I - Current line number */
3146 {
3147 int i; /* Looping var */
3148 cupsd_policy_t *pol; /* Policy */
3149 cupsd_location_t *op; /* Policy operation */
3150 int num_ops; /* Number of IPP operations */
3151 ipp_op_t ops[100]; /* Operations */
3152 char line[HTTP_MAX_BUFFER],
3153 /* Line buffer */
3154 *value, /* Value for directive */
3155 *valptr; /* Pointer into value */
3156
3157
3158 /*
3159 * Create the policy...
3160 */
3161
3162 if ((pol = cupsdAddPolicy(policy)) == NULL)
3163 return (0);
3164
3165 /*
3166 * Read from the file...
3167 */
3168
3169 op = NULL;
3170 num_ops = 0;
3171
3172 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3173 {
3174 /*
3175 * Decode the directive...
3176 */
3177
3178 if (!strcasecmp(line, "</Policy>"))
3179 {
3180 if (op)
3181 cupsdLogMessage(CUPSD_LOG_WARN,
3182 "Missing </Limit> before </Policy> on line %d!",
3183 linenum);
3184
3185 return (linenum);
3186 }
3187 else if (!strcasecmp(line, "<Limit") && !op)
3188 {
3189 if (!value)
3190 {
3191 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3192 return (0);
3193 }
3194
3195 /*
3196 * Scan for IPP operation names...
3197 */
3198
3199 num_ops = 0;
3200
3201 while (*value)
3202 {
3203 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3204
3205 if (*valptr)
3206 *valptr++ = '\0';
3207
3208 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3209 {
3210 if (!strcasecmp(value, "All"))
3211 ops[num_ops] = IPP_ANY_OPERATION;
3212 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3213 cupsdLogMessage(CUPSD_LOG_ERROR,
3214 "Bad IPP operation name \"%s\" on line %d!",
3215 value, linenum);
3216 else
3217 num_ops ++;
3218 }
3219 else
3220 cupsdLogMessage(CUPSD_LOG_ERROR,
3221 "Too many operations listed on line %d!",
3222 linenum);
3223
3224 for (value = valptr; isspace(*value & 255); value ++);
3225 }
3226
3227 /*
3228 * If none are specified, apply the policy to all operations...
3229 */
3230
3231 if (num_ops == 0)
3232 {
3233 ops[0] = IPP_ANY_OPERATION;
3234 num_ops = 1;
3235 }
3236
3237 /*
3238 * Add a new policy for the first operation...
3239 */
3240
3241 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3242 }
3243 else if (!strcasecmp(line, "</Limit>") && op)
3244 {
3245 /*
3246 * Finish the current operation limit...
3247 */
3248
3249 if (num_ops > 1)
3250 {
3251 /*
3252 * Copy the policy to the other operations...
3253 */
3254
3255 for (i = 1; i < num_ops; i ++)
3256 cupsdAddPolicyOp(pol, op, ops[i]);
3257 }
3258
3259 op = NULL;
3260 }
3261 else if (!op)
3262 {
3263 cupsdLogMessage(CUPSD_LOG_ERROR,
3264 "Missing <Limit ops> directive before %s on line %d.",
3265 line, linenum);
3266 return (0);
3267 }
3268 else if (!parse_aaa(op, line, value, linenum))
3269 {
3270 if (op)
3271 cupsdLogMessage(CUPSD_LOG_ERROR,
3272 "Unknown Policy Limit directive %s on line %d.",
3273 line, linenum);
3274 else
3275 cupsdLogMessage(CUPSD_LOG_ERROR,
3276 "Unknown Policy directive %s on line %d.",
3277 line, linenum);
3278
3279 return (0);
3280 }
3281 }
3282
3283 cupsdLogMessage(CUPSD_LOG_ERROR,
3284 "Unexpected end-of-file at line %d while reading policy \"%s\"!",
3285 linenum, policy);
3286
3287 return (0);
3288 }
3289
3290
3291 /*
3292 * End of "$Id: conf.c 6205 2007-01-22 22:04:43Z mike $".
3293 */
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