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[thirdparty/cups.git] / scheduler / conf.c
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ef416fc2 1/*
c0e1af83 2 * "$Id: conf.c 6409 2007-03-28 18:02:59Z mike $"
ef416fc2 3 *
4 * Configuration routines for the Common UNIX Printing System (CUPS).
5 *
7594b224 6 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
ef416fc2 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.
fa73b229 27 * check_permissions() - Fix the mode and ownership of a file or
28 * directory.
ef416fc2 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.
bd7854cb 33 * parse_groups() - Parse system group names in a string.
34 * parse_protocols() - Parse browse protocols in a string.
ef416fc2 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
68typedef 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
75typedef 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
87static cupsd_var_t variables[] =
88{
89 { "AccessLog", &AccessLog, CUPSD_VARTYPE_STRING },
7594b224 90#ifdef __APPLE__
91 { "AppleQuotas", &AppleQuotas, CUPSD_VARTYPE_BOOLEAN },
92#endif /* __APPLE__ */
ef416fc2 93 { "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
94 { "BrowseInterval", &BrowseInterval, CUPSD_VARTYPE_INTEGER },
b423cd4c 95#ifdef HAVE_LDAP
96 { "BrowseLDAPBindDN", &BrowseLDAPBindDN, CUPSD_VARTYPE_STRING },
97 { "BrowseLDAPDN", &BrowseLDAPDN, CUPSD_VARTYPE_STRING },
98 { "BrowseLDAPPassword", &BrowseLDAPPassword, CUPSD_VARTYPE_STRING },
99 { "BrowseLDAPServer", &BrowseLDAPServer, CUPSD_VARTYPE_STRING },
100#endif /* HAVE_LDAP */
ef416fc2 101 { "BrowseLocalOptions", &BrowseLocalOptions, CUPSD_VARTYPE_STRING },
102 { "BrowsePort", &BrowsePort, CUPSD_VARTYPE_INTEGER },
103 { "BrowseRemoteOptions", &BrowseRemoteOptions, CUPSD_VARTYPE_STRING },
104 { "BrowseShortNames", &BrowseShortNames, CUPSD_VARTYPE_BOOLEAN },
105 { "BrowseTimeout", &BrowseTimeout, CUPSD_VARTYPE_INTEGER },
106 { "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
107 { "CacheDir", &CacheDir, CUPSD_VARTYPE_STRING },
108 { "Classification", &Classification, CUPSD_VARTYPE_STRING },
109 { "ClassifyOverride", &ClassifyOverride, CUPSD_VARTYPE_BOOLEAN },
110 { "ConfigFilePerm", &ConfigFilePerm, CUPSD_VARTYPE_INTEGER },
111 { "DataDir", &DataDir, CUPSD_VARTYPE_STRING },
112 { "DefaultCharset", &DefaultCharset, CUPSD_VARTYPE_STRING },
113 { "DefaultLanguage", &DefaultLanguage, CUPSD_VARTYPE_STRING },
114 { "DefaultLeaseDuration", &DefaultLeaseDuration, CUPSD_VARTYPE_INTEGER },
115 { "DefaultPolicy", &DefaultPolicy, CUPSD_VARTYPE_STRING },
fa73b229 116 { "DefaultShared", &DefaultShared, CUPSD_VARTYPE_BOOLEAN },
ef416fc2 117 { "DocumentRoot", &DocumentRoot, CUPSD_VARTYPE_STRING },
118 { "ErrorLog", &ErrorLog, CUPSD_VARTYPE_STRING },
119 { "FileDevice", &FileDevice, CUPSD_VARTYPE_BOOLEAN },
120 { "FilterLimit", &FilterLimit, CUPSD_VARTYPE_INTEGER },
121 { "FilterNice", &FilterNice, CUPSD_VARTYPE_INTEGER },
122 { "FontPath", &FontPath, CUPSD_VARTYPE_STRING },
f7deaa1a 123#ifdef HAVE_GSSAPI
124 { "GSSServiceName", &GSSServiceName, CUPSD_VARTYPE_STRING },
125#endif /* HAVE_GSSAPI */
ef416fc2 126 { "ImplicitClasses", &ImplicitClasses, CUPSD_VARTYPE_BOOLEAN },
127 { "ImplicitAnyClasses", &ImplicitAnyClasses, CUPSD_VARTYPE_BOOLEAN },
128 { "JobRetryLimit", &JobRetryLimit, CUPSD_VARTYPE_INTEGER },
129 { "JobRetryInterval", &JobRetryInterval, CUPSD_VARTYPE_INTEGER },
130 { "KeepAliveTimeout", &KeepAliveTimeout, CUPSD_VARTYPE_INTEGER },
131 { "KeepAlive", &KeepAlive, CUPSD_VARTYPE_BOOLEAN },
f7deaa1a 132#ifdef HAVE_LAUNCHD
133 { "LaunchdTimeout", &LaunchdTimeout, CUPSD_VARTYPE_INTEGER },
134 { "LaunchdConf", &LaunchdConf, CUPSD_VARTYPE_STRING },
135#endif /* HAVE_LAUNCHD */
ef416fc2 136 { "LimitRequestBody", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
137 { "ListenBackLog", &ListenBackLog, CUPSD_VARTYPE_INTEGER },
138 { "LogFilePerm", &LogFilePerm, CUPSD_VARTYPE_INTEGER },
139 { "MaxActiveJobs", &MaxActiveJobs, CUPSD_VARTYPE_INTEGER },
140 { "MaxClients", &MaxClients, CUPSD_VARTYPE_INTEGER },
141 { "MaxClientsPerHost", &MaxClientsPerHost, CUPSD_VARTYPE_INTEGER },
142 { "MaxCopies", &MaxCopies, CUPSD_VARTYPE_INTEGER },
143 { "MaxEvents", &MaxEvents, CUPSD_VARTYPE_INTEGER },
144 { "MaxJobs", &MaxJobs, CUPSD_VARTYPE_INTEGER },
145 { "MaxJobsPerPrinter", &MaxJobsPerPrinter, CUPSD_VARTYPE_INTEGER },
146 { "MaxJobsPerUser", &MaxJobsPerUser, CUPSD_VARTYPE_INTEGER },
147 { "MaxLeaseDuration", &MaxLeaseDuration, CUPSD_VARTYPE_INTEGER },
148 { "MaxLogSize", &MaxLogSize, CUPSD_VARTYPE_INTEGER },
149 { "MaxPrinterHistory", &MaxPrinterHistory, CUPSD_VARTYPE_INTEGER },
150 { "MaxRequestSize", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
151 { "MaxSubscriptions", &MaxSubscriptions, CUPSD_VARTYPE_INTEGER },
152 { "MaxSubscriptionsPerJob", &MaxSubscriptionsPerJob, CUPSD_VARTYPE_INTEGER },
153 { "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
154 { "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
155 { "PageLog", &PageLog, CUPSD_VARTYPE_STRING },
156 { "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_BOOLEAN },
157 { "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_BOOLEAN },
158 { "Printcap", &Printcap, CUPSD_VARTYPE_STRING },
159 { "PrintcapGUI", &PrintcapGUI, CUPSD_VARTYPE_STRING },
160 { "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_INTEGER },
161 { "RemoteRoot", &RemoteRoot, CUPSD_VARTYPE_STRING },
162 { "RequestRoot", &RequestRoot, CUPSD_VARTYPE_STRING },
163 { "RIPCache", &RIPCache, CUPSD_VARTYPE_STRING },
ef416fc2 164 { "RootCertDuration", &RootCertDuration, CUPSD_VARTYPE_INTEGER },
165 { "ServerAdmin", &ServerAdmin, CUPSD_VARTYPE_STRING },
166 { "ServerBin", &ServerBin, CUPSD_VARTYPE_STRING },
167#ifdef HAVE_SSL
168 { "ServerCertificate", &ServerCertificate, CUPSD_VARTYPE_STRING },
169# if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
170 { "ServerKey", &ServerKey, CUPSD_VARTYPE_STRING },
171# endif /* HAVE_LIBSSL || HAVE_GNUTLS */
172#endif /* HAVE_SSL */
173 { "ServerName", &ServerName, CUPSD_VARTYPE_STRING },
174 { "ServerRoot", &ServerRoot, CUPSD_VARTYPE_STRING },
175 { "StateDir", &StateDir, CUPSD_VARTYPE_STRING },
f7deaa1a 176#ifdef HAVE_AUTHORIZATION_H
177 { "SystemGroupAuthKey", &SystemGroupAuthKey, CUPSD_VARTYPE_STRING },
178#endif /* HAVE_AUTHORIZATION_H */
ef416fc2 179 { "TempDir", &TempDir, CUPSD_VARTYPE_STRING },
e00b005a 180 { "Timeout", &Timeout, CUPSD_VARTYPE_INTEGER },
181 { "UseNetworkDefault", &UseNetworkDefault, CUPSD_VARTYPE_BOOLEAN }
ef416fc2 182};
183#define NUM_VARS (sizeof(variables) / sizeof(variables[0]))
184
185
186static unsigned ones[4] =
187 {
188 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
189 };
190static unsigned zeros[4] =
191 {
192 0x00000000, 0x00000000, 0x00000000, 0x00000000
193 };
194
195
196/*
197 * Local functions...
198 */
fa73b229 199static int check_permissions(const char *filename,
200 const char *suffix, int mode,
201 int user, int group, int is_dir,
202 int create_dir);
ef416fc2 203static http_addrlist_t *get_address(const char *value, int defport);
204static int get_addr_and_mask(const char *value, unsigned *ip,
205 unsigned *mask);
206static int parse_aaa(cupsd_location_t *loc, char *line,
207 char *value, int linenum);
bd7854cb 208static int parse_groups(const char *s);
209static int parse_protocols(const char *s);
ef416fc2 210static int read_configuration(cups_file_t *fp);
211static int read_location(cups_file_t *fp, char *name, int linenum);
212static int read_policy(cups_file_t *fp, char *name, int linenum);
213
214
215/*
216 * 'cupsdReadConfiguration()' - Read the cupsd.conf file.
217 */
218
219int /* O - 1 on success, 0 otherwise */
220cupsdReadConfiguration(void)
221{
222 int i; /* Looping var */
223 cups_file_t *fp; /* Configuration file */
224 int status; /* Return status */
225 char temp[1024], /* Temporary buffer */
226 *slash; /* Directory separator */
ef416fc2 227 cups_lang_t *language; /* Language */
228 struct passwd *user; /* Default user */
229 struct group *group; /* Default group */
230 char *old_serverroot, /* Old ServerRoot */
231 *old_requestroot; /* Old RequestRoot */
b423cd4c 232 const char *tmpdir; /* TMPDIR environment variable */
233 struct stat tmpinfo; /* Temporary directory info */
234
ef416fc2 235
ef416fc2 236 /*
237 * Save the old root paths...
238 */
239
240 old_serverroot = NULL;
241 cupsdSetString(&old_serverroot, ServerRoot);
242 old_requestroot = NULL;
243 cupsdSetString(&old_requestroot, RequestRoot);
244
245 /*
246 * Reset the server configuration data...
247 */
248
249 cupsdDeleteAllLocations();
250
251 if (NumBrowsers > 0)
252 {
253 free(Browsers);
e53920b9 254 Browsers = NULL;
ef416fc2 255
256 NumBrowsers = 0;
257 }
258
259 if (NumPolled > 0)
260 {
261 free(Polled);
262
263 NumPolled = 0;
264 }
265
266 if (NumRelays > 0)
267 {
268 for (i = 0; i < NumRelays; i ++)
269 if (Relays[i].from.type == AUTH_NAME)
270 free(Relays[i].from.mask.name.name);
271
272 free(Relays);
273
274 NumRelays = 0;
275 }
276
bd7854cb 277 cupsdDeleteAllListeners();
ef416fc2 278
279 /*
280 * String options...
281 */
282
757d2cad 283 cupsdSetString(&ServerName, httpGetHostname(NULL, temp, sizeof(temp)));
ef416fc2 284 cupsdSetStringf(&ServerAdmin, "root@%s", temp);
285 cupsdSetString(&ServerBin, CUPS_SERVERBIN);
286 cupsdSetString(&RequestRoot, CUPS_REQUESTS);
287 cupsdSetString(&CacheDir, CUPS_CACHEDIR);
288 cupsdSetString(&DataDir, CUPS_DATADIR);
289 cupsdSetString(&DocumentRoot, CUPS_DOCROOT);
290 cupsdSetString(&AccessLog, CUPS_LOGDIR "/access_log");
291 cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
292 cupsdSetString(&PageLog, CUPS_LOGDIR "/page_log");
e53920b9 293 cupsdSetString(&Printcap, CUPS_DEFAULT_PRINTCAP);
ef416fc2 294 cupsdSetString(&PrintcapGUI, "/usr/bin/glpoptions");
295 cupsdSetString(&FontPath, CUPS_FONTPATH);
296 cupsdSetString(&RemoteRoot, "remroot");
bd7854cb 297 cupsdSetString(&ServerHeader, "CUPS/1.2");
ef416fc2 298 cupsdSetString(&StateDir, CUPS_STATEDIR);
f7deaa1a 299#ifdef HAVE_GSSAPI
300 cupsdSetString(&GSSServiceName, CUPS_DEFAULT_GSSSERVICENAME);
301#endif /* HAVE_GSSAPI */
ef416fc2 302
ed486911 303 if (!strcmp(CUPS_DEFAULT_PRINTCAP, "/etc/printers.conf"))
304 PrintcapFormat = PRINTCAP_SOLARIS;
305 else
306 PrintcapFormat = PRINTCAP_BSD;
307
ef416fc2 308 strlcpy(temp, ConfigurationFile, sizeof(temp));
309 if ((slash = strrchr(temp, '/')) != NULL)
310 *slash = '\0';
311
312 cupsdSetString(&ServerRoot, temp);
313
314 cupsdClearString(&Classification);
315 ClassifyOverride = 0;
316
317#ifdef HAVE_SSL
318# ifdef HAVE_CDSASSL
fa73b229 319 cupsdSetString(&ServerCertificate, "/Library/Keychains/System.keychain");
ef416fc2 320# else
321 cupsdSetString(&ServerCertificate, "ssl/server.crt");
322 cupsdSetString(&ServerKey, "ssl/server.key");
323# endif /* HAVE_CDSASSL */
324#endif /* HAVE_SSL */
325
326 language = cupsLangDefault();
327
328 if (!strcmp(language->language, "C") || !strcmp(language->language, "POSIX"))
329 cupsdSetString(&DefaultLanguage, "en");
330 else
331 cupsdSetString(&DefaultLanguage, language->language);
332
333 cupsdSetString(&DefaultCharset, _cupsEncodingName(language->encoding));
334
335 cupsdSetString(&RIPCache, "8m");
336
b423cd4c 337 cupsdSetString(&TempDir, NULL);
ef416fc2 338
ef416fc2 339 /*
340 * Find the default user...
341 */
342
343 if ((user = getpwnam(CUPS_DEFAULT_USER)) != NULL)
344 User = user->pw_uid;
345 else
346 {
347 /*
348 * Use the (historical) NFS nobody user ID (-2 as a 16-bit twos-
349 * complement number...)
350 */
351
352 User = 65534;
353 }
354
355 endpwent();
356
357 /*
d6ae789d 358 * Find the default group...
ef416fc2 359 */
360
d6ae789d 361 group = getgrnam(CUPS_DEFAULT_GROUP);
ef416fc2 362 endgrent();
363
d6ae789d 364 if (group)
ef416fc2 365 Group = group->gr_gid;
366 else
367 {
368 /*
d6ae789d 369 * Fallback to group "nobody"...
ef416fc2 370 */
371
d6ae789d 372 group = getgrnam("nobody");
373 endgrent();
374
375 if (group)
376 Group = group->gr_gid;
377 else
378 {
379 /*
380 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
381 * complement number...)
382 */
383
384 Group = 65534;
385 }
ef416fc2 386 }
387
388 /*
389 * Numeric options...
390 */
391
bd7854cb 392 ConfigFilePerm = CUPS_DEFAULT_CONFIG_FILE_PERM;
393 DefaultAuthType = AUTH_BASIC;
4744bd90 394#ifdef HAVE_SSL
395 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
396#endif /* HAVE_SSL */
bd7854cb 397 JobRetryLimit = 5;
398 JobRetryInterval = 300;
399 FileDevice = FALSE;
400 FilterLevel = 0;
401 FilterLimit = 0;
402 FilterNice = 0;
403 HostNameLookups = FALSE;
404 ImplicitClasses = CUPS_DEFAULT_IMPLICIT_CLASSES;
405 ImplicitAnyClasses = FALSE;
406 HideImplicitMembers = TRUE;
407 KeepAlive = TRUE;
408 KeepAliveTimeout = DEFAULT_KEEPALIVE;
409 ListenBackLog = SOMAXCONN;
410 LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
411 LogLevel = CUPSD_LOG_ERROR;
412 MaxClients = 100;
413 MaxClientsPerHost = 0;
414 MaxLogSize = 1024 * 1024;
415 MaxPrinterHistory = 10;
416 MaxRequestSize = 0;
417 ReloadTimeout = 60;
418 RootCertDuration = 300;
bd7854cb 419 Timeout = DEFAULT_TIMEOUT;
420 NumSystemGroups = 0;
ef416fc2 421
422 BrowseInterval = DEFAULT_INTERVAL;
423 BrowsePort = ippPort();
bd7854cb 424 BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
425 BrowseRemoteProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_REMOTE_PROTOCOLS);
09ec0018 426 BrowseShortNames = CUPS_DEFAULT_BROWSE_SHORT_NAMES;
ef416fc2 427 BrowseTimeout = DEFAULT_TIMEOUT;
09ec0018 428 Browsing = CUPS_DEFAULT_BROWSING;
429 DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
ef416fc2 430
431 cupsdClearString(&BrowseLocalOptions);
432 cupsdClearString(&BrowseRemoteOptions);
433
b423cd4c 434#ifdef HAVE_LDAP
435 cupsdClearString(&BrowseLDAPBindDN);
436 cupsdClearString(&BrowseLDAPDN);
437 cupsdClearString(&BrowseLDAPPassword);
438 cupsdClearString(&BrowseLDAPServer);
439#endif /* HAVE_LDAP */
440
ef416fc2 441 JobHistory = DEFAULT_HISTORY;
442 JobFiles = DEFAULT_FILES;
443 JobAutoPurge = 0;
444 MaxJobs = 500;
445 MaxActiveJobs = 0;
446 MaxJobsPerUser = 0;
447 MaxJobsPerPrinter = 0;
f7deaa1a 448 MaxCopies = CUPS_DEFAULT_MAX_COPIES;
ef416fc2 449
450 cupsdDeleteAllPolicies();
451 cupsdClearString(&DefaultPolicy);
452
f7deaa1a 453#ifdef HAVE_AUTHORIZATION_H
454 cupsdClearString(&SystemGroupAuthKey);
455#endif /* HAVE_AUTHORIZATION_H */
456
ef416fc2 457 MaxSubscriptions = 100;
458 MaxSubscriptionsPerJob = 0;
459 MaxSubscriptionsPerPrinter = 0;
460 MaxSubscriptionsPerUser = 0;
461 DefaultLeaseDuration = 86400;
462 MaxLeaseDuration = 0;
463
a4d04587 464#ifdef HAVE_LAUNCHD
465 LaunchdTimeout = DEFAULT_TIMEOUT + 10;
466 cupsdSetString(&LaunchdConf, CUPS_DEFAULT_LAUNCHD_CONF);
467#endif /* HAVE_LAUNCHD */
468
7594b224 469#ifdef __APPLE__
470 AppleQuotas = TRUE;
471#endif /* __APPLE__ */
472
ef416fc2 473 /*
474 * Read the configuration file...
475 */
476
477 if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
478 return (0);
479
480 status = read_configuration(fp);
481
482 cupsFileClose(fp);
483
484 if (!status)
485 return (0);
486
4744bd90 487 RunUser = getuid();
ef416fc2 488
8ca02f3c 489 /*
490 * See if the ServerName is an IP address...
491 */
492
493 for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
494
495 ServerNameIsIP = !*slash;
496
ef416fc2 497 /*
498 * Use the default system group if none was supplied in cupsd.conf...
499 */
500
501 if (NumSystemGroups == 0)
bd7854cb 502 {
503 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS))
504 {
505 /*
506 * Find the group associated with GID 0...
507 */
508
509 group = getgrgid(0);
510 endgrent();
511
512 if (group != NULL)
513 cupsdSetString(&SystemGroups[0], group->gr_name);
514 else
515 cupsdSetString(&SystemGroups[0], "unknown");
516
517 SystemGroupIDs[0] = 0;
518 NumSystemGroups = 1;
519 }
520 }
ef416fc2 521
522 /*
523 * Get the access control list for browsing...
524 */
525
526 BrowseACL = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL");
527
528 /*
529 * Open the system log for cupsd if necessary...
530 */
531
532#ifdef HAVE_VSYSLOG
533 if (!strcmp(AccessLog, "syslog") ||
534 !strcmp(ErrorLog, "syslog") ||
535 !strcmp(PageLog, "syslog"))
536 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
537#endif /* HAVE_VSYSLOG */
538
539 /*
540 * Log the configuration file that was used...
541 */
542
543 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
544 ConfigurationFile);
545
546 /*
547 * Validate the Group and SystemGroup settings - they cannot be the same,
548 * otherwise the CGI programs will be able to authenticate as root without
549 * a password!
550 */
551
552 if (!RunUser)
553 {
554 for (i = 0; i < NumSystemGroups; i ++)
555 if (Group == SystemGroupIDs[i])
556 break;
557
558 if (i < NumSystemGroups)
559 {
560 /*
561 * Log the error and reset the group to a safe value...
562 */
563
564 cupsdLogMessage(CUPSD_LOG_NOTICE,
565 "Group and SystemGroup cannot use the same groups!");
566 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
567
568 group = getgrnam("nobody");
569 endgrent();
570
571 if (group != NULL)
572 Group = group->gr_gid;
573 else
574 {
575 /*
576 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
577 * complement number...)
578 */
579
580 Group = 65534;
581 }
582 }
583 }
584
585 /*
586 * Check that we have at least one listen/port line; if not, report this
587 * as an error and exit!
588 */
589
bd7854cb 590 if (cupsArrayCount(Listeners) == 0)
ef416fc2 591 {
592 /*
593 * No listeners!
594 */
595
596 cupsdLogMessage(CUPSD_LOG_EMERG,
597 "No valid Listen or Port lines were found in the configuration file!");
598
599 /*
600 * Commit suicide...
601 */
602
603 cupsdEndProcess(getpid(), 0);
604 }
605
606 /*
607 * Set the default locale using the language and charset...
608 */
609
610 cupsdSetStringf(&DefaultLocale, "%s.%s", DefaultLanguage, DefaultCharset);
611
612 /*
613 * Update all relative filenames to include the full path from ServerRoot...
614 */
615
616 if (DocumentRoot[0] != '/')
617 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
618
619 if (RequestRoot[0] != '/')
620 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
621
622 if (ServerBin[0] != '/')
623 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
624
625 if (StateDir[0] != '/')
626 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
627
628 if (CacheDir[0] != '/')
629 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
630
631#ifdef HAVE_SSL
632 if (ServerCertificate[0] != '/')
633 cupsdSetStringf(&ServerCertificate, "%s/%s", ServerRoot, ServerCertificate);
634
635 if (!strncmp(ServerRoot, ServerCertificate, strlen(ServerRoot)))
636 {
637 chown(ServerCertificate, RunUser, Group);
fa73b229 638 chmod(ServerCertificate, 0600);
ef416fc2 639 }
640
641# if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
642 if (ServerKey[0] != '/')
643 cupsdSetStringf(&ServerKey, "%s/%s", ServerRoot, ServerKey);
644
645 if (!strncmp(ServerRoot, ServerKey, strlen(ServerRoot)))
646 {
647 chown(ServerKey, RunUser, Group);
fa73b229 648 chmod(ServerKey, 0600);
ef416fc2 649 }
650# endif /* HAVE_LIBSSL || HAVE_GNUTLS */
651#endif /* HAVE_SSL */
652
653 /*
654 * Make sure that directories and config files are owned and
655 * writable by the user and group in the cupsd.conf file...
656 */
657
d09495fa 658 if (check_permissions(CacheDir, NULL, 0775, RunUser, Group, 1, 1) < 0 ||
659 check_permissions(StateDir, NULL, 0755, RunUser, Group, 1, 1) < 0 ||
660 check_permissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
661 SystemGroupIDs[0], 1, 1) < 0 ||
662 check_permissions(ServerRoot, NULL, 0755, RunUser, Group, 1, 0) < 0 ||
663 check_permissions(ServerRoot, "ppd", 0755, RunUser, Group, 1, 1) < 0 ||
664 check_permissions(ServerRoot, "ssl", 0700, RunUser, Group, 1, 0) < 0 ||
665 check_permissions(ServerRoot, "cupsd.conf", ConfigFilePerm, RunUser,
666 Group, 0, 0) < 0 ||
667 check_permissions(ServerRoot, "classes.conf", 0600, RunUser, Group,
668 0, 0) < 0 ||
669 check_permissions(ServerRoot, "printers.conf", 0600, RunUser, Group,
670 0, 0) < 0 ||
671 check_permissions(ServerRoot, "passwd.md5", 0600, User, Group, 0, 0) < 0)
672 return (0);
ef416fc2 673
b423cd4c 674 /*
675 * Update TempDir to the default if it hasn't been set already...
676 */
677
678 if (!TempDir)
679 {
680 if ((tmpdir = getenv("TMPDIR")) != NULL)
681 {
682 /*
683 * TMPDIR is defined, see if it is OK for us to use...
684 */
685
686 if (stat(tmpdir, &tmpinfo))
687 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
688 tmpdir, strerror(errno));
689 else if (!S_ISDIR(tmpinfo.st_mode))
690 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory!",
691 tmpdir);
692 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
693 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
694 !(tmpinfo.st_mode & S_IWOTH))
695 cupsdLogMessage(CUPSD_LOG_ERROR,
696 "TMPDIR (%s) has the wrong permissions!", tmpdir);
697 else
698 cupsdSetString(&TempDir, tmpdir);
b423cd4c 699 }
700
701 if (!TempDir)
d09495fa 702 {
703 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
704 RequestRoot);
b423cd4c 705 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
d09495fa 706 }
b423cd4c 707 }
708
ef416fc2 709 /*
710 * Make sure the request and temporary directories have the right
711 * permissions...
712 */
713
d09495fa 714 if (check_permissions(RequestRoot, NULL, 0710, RunUser, Group, 1, 1) < 0)
715 return (0);
ef416fc2 716
717 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
718 access(TempDir, 0))
719 {
720 /*
721 * Update ownership and permissions if the CUPS temp directory
722 * is under the spool directory or does not exist...
723 */
724
d09495fa 725 if (check_permissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0)
726 return (0);
ef416fc2 727 }
728
729 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
730 {
731 /*
732 * Clean out the temporary directory...
733 */
734
735 cups_dir_t *dir; /* Temporary directory */
736 cups_dentry_t *dent; /* Directory entry */
737 char tempfile[1024]; /* Temporary filename */
738
739
740 if ((dir = cupsDirOpen(TempDir)) != NULL)
741 {
742 cupsdLogMessage(CUPSD_LOG_INFO,
743 "Cleaning out old temporary files in \"%s\"...", TempDir);
744
745 while ((dent = cupsDirRead(dir)) != NULL)
746 {
747 snprintf(tempfile, sizeof(tempfile), "%s/%s", TempDir, dent->filename);
748
749 if (unlink(tempfile))
750 cupsdLogMessage(CUPSD_LOG_ERROR,
751 "Unable to remove temporary file \"%s\" - %s",
752 tempfile, strerror(errno));
753 else
754 cupsdLogMessage(CUPSD_LOG_DEBUG, "Removed temporary file \"%s\"...",
755 tempfile);
756 }
757
758 cupsDirClose(dir);
759 }
760 else
761 cupsdLogMessage(CUPSD_LOG_ERROR,
762 "Unable to open temporary directory \"%s\" - %s",
763 TempDir, strerror(errno));
764 }
765
766 /*
767 * Setup environment variables...
768 */
769
770 cupsdInitEnv();
771
772 /*
773 * Check the MaxClients setting, and then allocate memory for it...
774 */
775
776 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
777 {
778 if (MaxClients > 0)
779 cupsdLogMessage(CUPSD_LOG_INFO, "MaxClients limited to 1/3 (%d) of the file descriptor limit (%d)...",
780 MaxFDs / 3, MaxFDs);
781
782 MaxClients = MaxFDs / 3;
783 }
784
bd7854cb 785 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
786 MaxClients);
ef416fc2 787
788 /*
789 * Check the MaxActiveJobs setting; limit to 1/3 the available
790 * file descriptors, since we need a pipe for each job...
791 */
792
793 if (MaxActiveJobs > (MaxFDs / 3))
794 MaxActiveJobs = MaxFDs / 3;
795
d09495fa 796 if (Classification && !strcasecmp(Classification, "none"))
ef416fc2 797 cupsdClearString(&Classification);
798
799 if (Classification)
800 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
801
802 /*
803 * Update the MaxClientsPerHost value, as needed...
804 */
805
806 if (MaxClientsPerHost <= 0)
807 MaxClientsPerHost = MaxClients;
808
809 if (MaxClientsPerHost > MaxClients)
810 MaxClientsPerHost = MaxClients;
811
812 cupsdLogMessage(CUPSD_LOG_INFO,
813 "Allowing up to %d client connections per host.",
814 MaxClientsPerHost);
815
8ca02f3c 816 /*
817 * Make sure that BrowseTimeout is at least twice the interval...
818 */
819
820 if (BrowseTimeout < (2 * BrowseInterval) || BrowseTimeout <= 0)
821 {
822 cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid BrowseTimeout value %d!",
823 BrowseTimeout);
824
825 if (BrowseInterval)
826 BrowseTimeout = BrowseInterval * 2;
827 else
828 BrowseTimeout = DEFAULT_TIMEOUT;
829
830 cupsdLogMessage(CUPSD_LOG_ALERT, "Reset BrowseTimeout to %d!",
831 BrowseTimeout);
832 }
833
ef416fc2 834 /*
835 * Update the default policy, as needed...
836 */
837
838 if (DefaultPolicy)
839 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
840 else
841 DefaultPolicyPtr = NULL;
842
843 if (!DefaultPolicyPtr)
844 {
845 cupsd_policy_t *p; /* New policy */
846 cupsd_location_t *po; /* New policy operation */
847
848
849 if (DefaultPolicy)
850 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found!",
851 DefaultPolicy);
852
e1d6a774 853 cupsdSetString(&DefaultPolicy, "default");
854
ef416fc2 855 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
856 cupsdLogMessage(CUPSD_LOG_INFO,
857 "Using policy \"default\" as the default!");
858 else
859 {
860 cupsdLogMessage(CUPSD_LOG_INFO,
861 "Creating CUPS default administrative policy:");
862
863 DefaultPolicyPtr = p = cupsdAddPolicy("default");
864
865 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
866 cupsdLogMessage(CUPSD_LOG_INFO,
867 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
868 "Release-Job Restart-Job Purge-Jobs "
869 "Set-Job-Attributes Create-Job-Subscription "
870 "Renew-Subscription Cancel-Subscription "
871 "Get-Notifications Reprocess-Job Cancel-Current-Job "
872 "Suspend-Current-Job Resume-Job CUPS-Move-Job "
873 "CUPS-Authenticate-Job>");
874 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
875
876 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
877 po->order_type = AUTH_ALLOW;
878 po->level = AUTH_USER;
879
880 cupsdAddName(po, "@OWNER");
881 cupsdAddName(po, "@SYSTEM");
882 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
883
884 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
885 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
886 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
887 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
888 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
889 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
890 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
891 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
892 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
893 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
894 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
895 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
896 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
897 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
898 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
899 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
900 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
901
902 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
903
904 cupsdLogMessage(CUPSD_LOG_INFO,
905 "<Limit Pause-Printer Resume-Printer "
906 "Set-Printer-Attributes Enable-Printer "
907 "Disable-Printer Pause-Printer-After-Current-Job "
908 "Hold-New-Jobs Release-Held-New-Jobs "
909 "Deactivate-Printer Activate-Printer Restart-Printer "
910 "Shutdown-Printer Startup-Printer Promote-Job "
911 "Schedule-Job-After CUPS-Add-Printer "
912 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
913 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
914 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
915 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Basic");
916
917 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
918 po->order_type = AUTH_ALLOW;
919 po->type = AUTH_BASIC;
920 po->level = AUTH_USER;
921
922 cupsdAddName(po, "@SYSTEM");
923 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
924
925 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
926 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
927 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
928 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
929 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
930 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
931 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
932 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
933 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
934 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
935 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
936 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
937 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
938 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
939 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
940 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
941 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
942 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
943 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
944 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
945 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
946
947 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
948
949 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
950 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
951
952 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
953 po->order_type = AUTH_ALLOW;
954
955 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
956 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
957 }
958 }
959
bd7854cb 960 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
961 NumPolicies);
ef416fc2 962 for (i = 0; i < NumPolicies; i ++)
bd7854cb 963 cupsdLogMessage(CUPSD_LOG_DEBUG2,
964 "cupsdReadConfiguration: Policies[%d]=\"%s\"", i,
ef416fc2 965 Policies[i]->name);
966
967 /*
968 * If we are doing a full reload or the server root has changed, flush
969 * the jobs, printers, etc. and start from scratch...
970 */
971
972 if (NeedReload == RELOAD_ALL ||
973 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
974 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
975 {
fa73b229 976 mime_type_t *type; /* Current type */
977 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
978 /* MIME type name */
979
980
ef416fc2 981 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
982
983 /*
984 * Free all memory...
985 */
986
987 cupsdDeleteAllSubscriptions();
988 cupsdFreeAllJobs();
989 cupsdDeleteAllClasses();
990 cupsdDeleteAllPrinters();
991
992 DefaultPrinter = NULL;
993
994 if (MimeDatabase != NULL)
995 mimeDelete(MimeDatabase);
996
997 if (NumMimeTypes)
998 {
999 for (i = 0; i < NumMimeTypes; i ++)
757d2cad 1000 _cupsStrFree(MimeTypes[i]);
ef416fc2 1001
1002 free(MimeTypes);
1003 }
1004
1005 /*
1006 * Read the MIME type and conversion database...
1007 */
1008
1009 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
1010
1011 MimeDatabase = mimeLoad(ServerRoot, temp);
1012
1013 if (!MimeDatabase)
1014 {
1015 cupsdLogMessage(CUPSD_LOG_EMERG,
1016 "Unable to load MIME database from \'%s\'!", ServerRoot);
1017 exit(errno);
1018 }
1019
1020 cupsdLogMessage(CUPSD_LOG_INFO,
1021 "Loaded MIME database from \'%s\': %d types, %d filters...",
fa73b229 1022 ServerRoot, mimeNumTypes(MimeDatabase),
1023 mimeNumFilters(MimeDatabase));
ef416fc2 1024
1025 /*
1026 * Create a list of MIME types for the document-format-supported
1027 * attribute...
1028 */
1029
fa73b229 1030 NumMimeTypes = mimeNumTypes(MimeDatabase);
ef416fc2 1031 if (!mimeType(MimeDatabase, "application", "octet-stream"))
1032 NumMimeTypes ++;
1033
1034 MimeTypes = calloc(NumMimeTypes, sizeof(const char *));
1035
fa73b229 1036 for (i = 0, type = mimeFirstType(MimeDatabase);
1037 type;
1038 i ++, type = mimeNextType(MimeDatabase))
ef416fc2 1039 {
fa73b229 1040 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
ef416fc2 1041
757d2cad 1042 MimeTypes[i] = _cupsStrAlloc(mimetype);
ef416fc2 1043 }
1044
1045 if (i < NumMimeTypes)
757d2cad 1046 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
bd7854cb 1047
1048 if (LogLevel == CUPSD_LOG_DEBUG2)
1049 {
1050 mime_filter_t *filter; /* Current filter */
1051
1052
1053 for (type = mimeFirstType(MimeDatabase);
1054 type;
1055 type = mimeNextType(MimeDatabase))
1056 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1057 type->super, type->type);
1058
1059 for (filter = mimeFirstFilter(MimeDatabase);
1060 filter;
1061 filter = mimeNextFilter(MimeDatabase))
1062 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1063 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1064 filter->src->super, filter->src->type,
1065 filter->dst->super, filter->dst->type,
1066 filter->cost, filter->filter);
1067 }
ef416fc2 1068
1069 /*
1070 * Load banners...
1071 */
1072
1073 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1074 cupsdLoadBanners(temp);
1075
1076 /*
1077 * Load printers and classes...
1078 */
1079
1080 cupsdLoadAllPrinters();
1081 cupsdLoadAllClasses();
1082 cupsdLoadRemoteCache();
1083 cupsdWritePrintcap();
1084
1085 cupsdCreateCommonData();
1086
1087 /*
1088 * Load queued jobs...
1089 */
1090
1091 cupsdLoadAllJobs();
1092
1093 /*
1094 * Load subscriptions...
1095 */
1096
1097 cupsdLoadAllSubscriptions();
1098
1099 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1100 }
1101 else
1102 {
1103 /*
1104 * Not a full reload, so recreate the common printer attributes...
1105 */
1106
1107 cupsdCreateCommonData();
1108
1109 /*
1110 * Update all printers as needed...
1111 */
1112
1113 cupsdUpdatePrinters();
1114 cupsdWritePrintcap();
1115
1116 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1117 }
1118
1119 /*
1120 * Reset the reload state...
1121 */
1122
1123 NeedReload = RELOAD_NONE;
1124
1125 cupsdClearString(&old_serverroot);
1126 cupsdClearString(&old_requestroot);
1127
ef416fc2 1128 return (1);
1129}
1130
1131
fa73b229 1132/*
1133 * 'check_permissions()' - Fix the mode and ownership of a file or directory.
1134 */
1135
d09495fa 1136static int /* O - 0 on success, -1 on error, 1 on warning */
fa73b229 1137check_permissions(const char *filename, /* I - File/directory name */
1138 const char *suffix, /* I - Additional file/directory name */
1139 int mode, /* I - Permissions */
1140 int user, /* I - Owner */
1141 int group, /* I - Group */
1142 int is_dir, /* I - 1 = directory, 0 = file */
1143 int create_dir)/* I - 1 = create directory, 0 = not */
1144{
1145 int dir_created = 0; /* Did we create a directory? */
1146 char pathname[1024]; /* File name with prefix */
1147 struct stat fileinfo; /* Stat buffer */
1148
1149
1150 /*
1151 * Prepend the given root to the filename before testing it...
1152 */
1153
1154 if (suffix)
1155 {
1156 snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
1157 filename = pathname;
1158 }
1159
1160 /*
1161 * See if we can stat the file/directory...
1162 */
1163
1164 if (stat(filename, &fileinfo))
1165 {
1166 if (errno == ENOENT && create_dir)
1167 {
c0e1af83 1168 cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating missing directory \"%s\"",
fa73b229 1169 filename);
1170
1171 if (mkdir(filename, mode))
1172 {
1173 cupsdLogMessage(CUPSD_LOG_ERROR,
1174 "Unable to create directory \"%s\" - %s", filename,
1175 strerror(errno));
1176 return (-1);
1177 }
1178
1179 dir_created = 1;
1180 }
1181 else
d09495fa 1182 return (create_dir ? -1 : 1);
fa73b229 1183 }
1184
1185 /*
1186 * Make sure it's a regular file...
1187 */
1188
1189 if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
1190 {
1191 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file!", filename);
1192 return (-1);
1193 }
1194
1195 if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
1196 {
1197 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory!", filename);
1198 return (-1);
1199 }
1200
1201 /*
1202 * Fix owner, group, and mode as needed...
1203 */
1204
1205 if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
1206 {
c0e1af83 1207 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing ownership of \"%s\"", filename);
fa73b229 1208
c0e1af83 1209 if (chown(filename, user, group) && !getuid())
fa73b229 1210 {
1211 cupsdLogMessage(CUPSD_LOG_ERROR,
1212 "Unable to change ownership of \"%s\" - %s", filename,
1213 strerror(errno));
d09495fa 1214 return (1);
fa73b229 1215 }
1216 }
1217
bd7854cb 1218 if (dir_created || (fileinfo.st_mode & 07777) != mode)
fa73b229 1219 {
c0e1af83 1220 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing access permissions of \"%s\"",
1221 filename);
fa73b229 1222
1223 if (chmod(filename, mode))
1224 {
1225 cupsdLogMessage(CUPSD_LOG_ERROR,
1226 "Unable to change permissions of \"%s\" - %s", filename,
1227 strerror(errno));
d09495fa 1228 return (1);
fa73b229 1229 }
1230 }
1231
1232 /*
1233 * Everything is OK...
1234 */
1235
1236 return (0);
1237}
1238
1239
ef416fc2 1240/*
1241 * 'get_address()' - Get an address + port number from a line.
1242 */
1243
1244static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
1245get_address(const char *value, /* I - Value string */
1246 int defport) /* I - Default port */
1247{
1248 char buffer[1024], /* Hostname + port number buffer */
1249 defpname[255], /* Default port name */
1250 *hostname, /* Hostname or IP */
1251 *portname; /* Port number or name */
1252 http_addrlist_t *addrlist; /* Address list */
1253
1254
1255 /*
1256 * Check for an empty value...
1257 */
1258
1259 if (!*value)
1260 {
1261 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address!");
1262 return (NULL);
1263 }
1264
1265 /*
1266 * Grab a hostname and port number; if there is no colon and the port name
1267 * is only digits, then we have a port number by itself...
1268 */
1269
1270 strlcpy(buffer, value, sizeof(buffer));
1271
1272 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1273 {
1274 *portname++ = '\0';
1275 hostname = buffer;
1276 }
1277 else
1278 {
1279 for (portname = buffer; isdigit(*portname & 255); portname ++);
1280
1281 if (*portname)
1282 {
1283 /*
1284 * Use the default port...
1285 */
1286
1287 sprintf(defpname, "%d", defport);
1288 portname = defpname;
1289 hostname = buffer;
1290 }
1291 else
1292 {
1293 /*
1294 * The buffer contains just a port number...
1295 */
1296
1297 portname = buffer;
1298 hostname = NULL;
1299 }
1300 }
1301
1302 if (hostname && !strcmp(hostname, "*"))
1303 hostname = NULL;
1304
1305 /*
1306 * Now lookup the address using httpAddrGetList()...
1307 */
1308
1309 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1310 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed!",
1311 hostname ? hostname : "(nil)");
1312
1313 return (addrlist);
1314}
1315
1316
1317/*
1318 * 'get_addr_and_mask()' - Get an IP address and netmask.
1319 */
1320
1321static int /* O - 1 on success, 0 on failure */
1322get_addr_and_mask(const char *value, /* I - String from config file */
1323 unsigned *ip, /* O - Address value */
1324 unsigned *mask) /* O - Mask value */
1325{
1326 int i, j, /* Looping vars */
1327 family, /* Address family */
1328 ipcount; /* Count of fields in address */
1329 unsigned ipval; /* Value */
1330 const char *maskval, /* Pointer to start of mask value */
1331 *ptr, /* Pointer into value */
1332 *ptr2; /* ... */
ef416fc2 1333
1334
1335 /*
1336 * Get the address...
1337 */
1338
b86bc4cf 1339 ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
ed486911 1340 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
ef416fc2 1341
1342 if ((maskval = strchr(value, '/')) != NULL)
1343 maskval ++;
1344 else
1345 maskval = value + strlen(value);
1346
1347#ifdef AF_INET6
1348 /*
1349 * Check for an IPv6 address...
1350 */
1351
1352 if (*value == '[')
1353 {
1354 /*
1355 * Parse hexadecimal IPv6 address...
1356 */
1357
1358 family = AF_INET6;
1359
1360 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1361 {
1362 if (*ptr == ']')
1363 break;
1364 else if (!strncmp(ptr, "::", 2))
1365 {
1366 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1367 ptr2;
1368 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1369
1370 i = 7 - j;
ed486911 1371 ptr ++;
ef416fc2 1372 }
1373 else if (isxdigit(*ptr & 255))
1374 {
1375 ipval = strtoul(ptr, (char **)&ptr, 16);
1376
1377 if (ipval > 0xffff)
1378 return (0);
1379
1380 if (i & 1)
ed486911 1381 ip[i / 2] |= ipval;
ef416fc2 1382 else
ed486911 1383 ip[i / 2] |= ipval << 16;
ef416fc2 1384 }
1385 else
1386 return (0);
1387
1388 while (*ptr == ':')
1389 ptr ++;
1390 }
1391
ed486911 1392 if (*ptr != ']')
1393 return (0);
1394
1395 ptr ++;
ef416fc2 1396
1397 if (*ptr && *ptr != '/')
1398 return (0);
1399 }
1400 else
1401#endif /* AF_INET6 */
1402 {
1403 /*
1404 * Parse dotted-decimal IPv4 address...
1405 */
1406
ed486911 1407 unsigned val[4]; /* IPv4 address values */
ef416fc2 1408
ef416fc2 1409
ed486911 1410 family = AF_INET;
1411 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1412
ef416fc2 1413 /*
ed486911 1414 * Range check the IP numbers...
ef416fc2 1415 */
1416
ed486911 1417 for (i = 0; i < ipcount; i ++)
1418 if (val[i] > 255)
1419 return (0);
ef416fc2 1420
ed486911 1421 /*
1422 * Make sure the trailing values are zeroed, as some C libraries like
1423 * glibc apparently like to fill the unused arguments with garbage...
1424 */
ef416fc2 1425
ed486911 1426 for (i = ipcount; i < 4; i ++)
1427 val[i] = 0;
ef416fc2 1428
ed486911 1429 /*
1430 * Merge everything into a 32-bit IPv4 address in ip[3]...
1431 */
ef416fc2 1432
ed486911 1433 ip[3] = (((((val[0] << 8) | val[1]) << 8) | val[2]) << 8) | val[3];
ef416fc2 1434
ed486911 1435 if (ipcount < 4)
1436 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1437 }
ef416fc2 1438
ed486911 1439 if (*maskval)
1440 {
1441 /*
1442 * Get the netmask value(s)...
1443 */
1444
1445 memset(mask, 0, sizeof(unsigned) * 4);
ef416fc2 1446
ef416fc2 1447 if (strchr(maskval, '.'))
1448 {
1449 /*
1450 * Get dotted-decimal mask...
1451 */
1452
ed486911 1453 if (family != AF_INET)
1454 return (0);
1455
ef416fc2 1456 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2, mask + 3) != 4)
1457 return (0);
1458
1459 mask[3] |= ((((mask[0] << 8) | mask[1]) << 8) | mask[2]) << 8;
1460 mask[0] = mask[1] = mask[2] = 0;
1461 }
1462 else
1463 {
1464 /*
1465 * Get address/bits format...
1466 */
1467
1468 i = atoi(maskval);
1469
1470#ifdef AF_INET6
1471 if (family == AF_INET6)
1472 {
ed486911 1473 if (i > 128)
1474 return (0);
1475
ef416fc2 1476 i = 128 - i;
1477
1478 if (i <= 96)
1479 mask[0] = 0xffffffff;
1480 else
1481 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1482
1483 if (i <= 64)
1484 mask[1] = 0xffffffff;
1485 else if (i >= 96)
1486 mask[1] = 0;
1487 else
1488 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1489
1490 if (i <= 32)
1491 mask[2] = 0xffffffff;
1492 else if (i >= 64)
1493 mask[2] = 0;
1494 else
1495 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1496
1497 if (i == 0)
1498 mask[3] = 0xffffffff;
1499 else if (i >= 32)
1500 mask[3] = 0;
1501 else
1502 mask[3] = (0xffffffff << i) & 0xffffffff;
1503 }
1504 else
1505#endif /* AF_INET6 */
1506 {
ed486911 1507 if (i > 32)
1508 return (0);
ef416fc2 1509
1510 mask[0] = 0xffffffff;
1511 mask[1] = 0xffffffff;
1512 mask[2] = 0xffffffff;
1513
ed486911 1514 if (i < 32)
1515 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
ef416fc2 1516 else
1517 mask[3] = 0xffffffff;
1518 }
1519 }
1520 }
ef416fc2 1521
1522 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1523 "get_addr_and_mask(value=\"%s\", "
b86bc4cf 1524 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
ef416fc2 1525 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
1526 mask[3]);
1527
1528 /*
1529 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
1530 */
1531
1532 if ((ip[0] & ~mask[0]) != 0 ||
1533 (ip[1] & ~mask[1]) != 0 ||
1534 (ip[2] & ~mask[2]) != 0 ||
1535 (ip[3] & ~mask[3]) != 0)
1536 return (0);
1537
1538 return (1);
1539}
1540
1541
1542/*
1543 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
1544 */
1545
1546static int /* O - 1 on success, 0 on failure */
1547parse_aaa(cupsd_location_t *loc, /* I - Location */
1548 char *line, /* I - Line from file */
1549 char *value, /* I - Start of value data */
1550 int linenum) /* I - Current line number */
1551{
1552 char *valptr; /* Pointer into value */
1553 unsigned ip[4], /* IP address components */
1554 mask[4]; /* IP netmask components */
1555
1556
1557 if (!strcasecmp(line, "Encryption"))
1558 {
1559 /*
1560 * "Encryption xxx" - set required encryption level...
1561 */
1562
1563 if (!strcasecmp(value, "never"))
1564 loc->encryption = HTTP_ENCRYPT_NEVER;
1565 else if (!strcasecmp(value, "always"))
1566 {
1567 cupsdLogMessage(CUPSD_LOG_ERROR,
1568 "Encryption value \"%s\" on line %d is invalid in this "
1569 "context. Using \"required\" instead.", value, linenum);
1570
1571 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1572 }
1573 else if (!strcasecmp(value, "required"))
1574 loc->encryption = HTTP_ENCRYPT_REQUIRED;
1575 else if (!strcasecmp(value, "ifrequested"))
1576 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
1577 else
1578 {
1579 cupsdLogMessage(CUPSD_LOG_ERROR,
1580 "Unknown Encryption value %s on line %d.", value, linenum);
1581 return (0);
1582 }
1583 }
1584 else if (!strcasecmp(line, "Order"))
1585 {
1586 /*
1587 * "Order Deny,Allow" or "Order Allow,Deny"...
1588 */
1589
1590 if (!strncasecmp(value, "deny", 4))
1591 loc->order_type = AUTH_ALLOW;
1592 else if (!strncasecmp(value, "allow", 5))
1593 loc->order_type = AUTH_DENY;
1594 else
1595 {
1596 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d.",
1597 value, linenum);
1598 return (0);
1599 }
1600 }
1601 else if (!strcasecmp(line, "Allow") || !strcasecmp(line, "Deny"))
1602 {
1603 /*
1604 * Allow [From] host/ip...
1605 * Deny [From] host/ip...
1606 */
1607
1608 if (!strncasecmp(value, "from", 4))
1609 {
1610 /*
1611 * Strip leading "from"...
1612 */
1613
1614 value += 4;
1615
1616 while (isspace(*value & 255))
1617 value ++;
1618 }
1619
1620 /*
1621 * Figure out what form the allow/deny address takes:
1622 *
1623 * All
1624 * None
1625 * *.domain.com
1626 * .domain.com
1627 * host.domain.com
1628 * nnn.*
1629 * nnn.nnn.*
1630 * nnn.nnn.nnn.*
1631 * nnn.nnn.nnn.nnn
1632 * nnn.nnn.nnn.nnn/mm
1633 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
1634 */
1635
1636 if (!strcasecmp(value, "all"))
1637 {
1638 /*
1639 * All hosts...
1640 */
1641
1642 if (!strcasecmp(line, "Allow"))
1643 cupsdAllowIP(loc, zeros, zeros);
1644 else
1645 cupsdDenyIP(loc, zeros, zeros);
1646 }
1647 else if (!strcasecmp(value, "none"))
1648 {
1649 /*
1650 * No hosts...
1651 */
1652
1653 if (!strcasecmp(line, "Allow"))
1654 cupsdAllowIP(loc, ones, zeros);
1655 else
1656 cupsdDenyIP(loc, ones, zeros);
1657 }
ed486911 1658#ifdef AF_INET6
1659 else if (value[0] == '*' || value[0] == '.' ||
1660 (!isdigit(value[0] & 255) && value[0] != '['))
1661#else
ef416fc2 1662 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
ed486911 1663#endif /* AF_INET6 */
ef416fc2 1664 {
1665 /*
1666 * Host or domain name...
1667 */
1668
1669 if (value[0] == '*')
1670 value ++;
1671
1672 if (!strcasecmp(line, "Allow"))
1673 cupsdAllowHost(loc, value);
1674 else
1675 cupsdDenyHost(loc, value);
1676 }
1677 else
1678 {
1679 /*
1680 * One of many IP address forms...
1681 */
1682
1683 if (!get_addr_and_mask(value, ip, mask))
1684 {
1685 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
1686 value, linenum);
1687 return (0);
1688 }
1689
1690 if (!strcasecmp(line, "Allow"))
1691 cupsdAllowIP(loc, ip, mask);
1692 else
1693 cupsdDenyIP(loc, ip, mask);
1694 }
1695 }
1696 else if (!strcasecmp(line, "AuthType"))
1697 {
1698 /*
1699 * AuthType {none,basic,digest,basicdigest}
1700 */
1701
1702 if (!strcasecmp(value, "none"))
1703 {
1704 loc->type = AUTH_NONE;
1705 loc->level = AUTH_ANON;
1706 }
1707 else if (!strcasecmp(value, "basic"))
1708 {
1709 loc->type = AUTH_BASIC;
1710
1711 if (loc->level == AUTH_ANON)
1712 loc->level = AUTH_USER;
1713 }
1714 else if (!strcasecmp(value, "digest"))
1715 {
1716 loc->type = AUTH_DIGEST;
1717
1718 if (loc->level == AUTH_ANON)
1719 loc->level = AUTH_USER;
1720 }
1721 else if (!strcasecmp(value, "basicdigest"))
1722 {
1723 loc->type = AUTH_BASICDIGEST;
1724
1725 if (loc->level == AUTH_ANON)
1726 loc->level = AUTH_USER;
1727 }
f7deaa1a 1728#ifdef HAVE_GSSAPI
7594b224 1729 else if (!strcasecmp(value, "negotiate"))
f7deaa1a 1730 {
7594b224 1731 loc->type = AUTH_NEGOTIATE;
f7deaa1a 1732
1733 if (loc->level == AUTH_ANON)
1734 loc->level = AUTH_USER;
1735 }
1736#endif /* HAVE_GSSAPI */
ef416fc2 1737 else
1738 {
1739 cupsdLogMessage(CUPSD_LOG_WARN,
1740 "Unknown authorization type %s on line %d.",
1741 value, linenum);
1742 return (0);
1743 }
1744 }
1745 else if (!strcasecmp(line, "AuthClass"))
1746 {
1747 /*
1748 * AuthClass anonymous, user, system, group
1749 */
1750
1751 if (!strcasecmp(value, "anonymous"))
1752 {
1753 loc->type = AUTH_NONE;
1754 loc->level = AUTH_ANON;
1755
1756 cupsdLogMessage(CUPSD_LOG_WARN,
1757 "\"AuthClass %s\" is deprecated; consider removing "
1758 "it from line %d.",
1759 value, linenum);
1760 }
1761 else if (!strcasecmp(value, "user"))
1762 {
1763 loc->level = AUTH_USER;
1764
1765 cupsdLogMessage(CUPSD_LOG_WARN,
1766 "\"AuthClass %s\" is deprecated; consider using "
1767 "\"Require valid-user\" on line %d.",
1768 value, linenum);
1769 }
1770 else if (!strcasecmp(value, "group"))
1771 {
1772 loc->level = AUTH_GROUP;
1773
1774 cupsdLogMessage(CUPSD_LOG_WARN,
1775 "\"AuthClass %s\" is deprecated; consider using "
1776 "\"Require @groupname\" on line %d.",
1777 value, linenum);
1778 }
1779 else if (!strcasecmp(value, "system"))
1780 {
1781 loc->level = AUTH_GROUP;
1782
1783 cupsdAddName(loc, "@SYSTEM");
1784
1785 cupsdLogMessage(CUPSD_LOG_WARN,
1786 "\"AuthClass %s\" is deprecated; consider using "
1787 "\"Require @SYSTEM\" on line %d.",
1788 value, linenum);
1789 }
1790 else
1791 {
1792 cupsdLogMessage(CUPSD_LOG_WARN,
1793 "Unknown authorization class %s on line %d.",
1794 value, linenum);
1795 return (0);
1796 }
1797 }
1798 else if (!strcasecmp(line, "AuthGroupName"))
1799 {
1800 cupsdAddName(loc, value);
1801
1802 cupsdLogMessage(CUPSD_LOG_WARN,
1803 "\"AuthGroupName %s\" directive is deprecated; consider "
1804 "using \"Require @%s\" on line %d.",
1805 value, value, linenum);
1806 }
1807 else if (!strcasecmp(line, "Require"))
1808 {
1809 /*
1810 * Apache synonym for AuthClass and AuthGroupName...
1811 *
1812 * Get initial word:
1813 *
1814 * Require valid-user
1815 * Require group names
1816 * Require user names
1817 */
1818
1819 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1820
1821 if (*valptr)
1822 *valptr++ = '\0';
1823
1824 if (!strcasecmp(value, "valid-user") ||
1825 !strcasecmp(value, "user"))
1826 loc->level = AUTH_USER;
1827 else if (!strcasecmp(value, "group"))
1828 loc->level = AUTH_GROUP;
1829 else
1830 {
1831 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d.",
1832 value, linenum);
1833 return (0);
1834 }
1835
1836 /*
1837 * Get the list of names from the line...
1838 */
1839
1840 for (value = valptr; *value;)
1841 {
1842 while (isspace(*value & 255))
1843 value ++;
1844
f7deaa1a 1845#ifdef HAVE_AUTHORIZATION_H
1846 if (!strncmp(value, "@AUTHKEY(", 9))
1847 {
1848 /*
1849 * Grab "@AUTHKEY(name)" value...
1850 */
1851
1852 for (valptr = value + 9; *valptr != ')' && *valptr; valptr ++);
1853
1854 if (*valptr)
1855 *valptr++ = '\0';
1856 }
1857 else
1858#endif /* HAVE_AUTHORIZATION_H */
ef416fc2 1859 if (*value == '\"' || *value == '\'')
1860 {
1861 /*
1862 * Grab quoted name...
1863 */
1864
1865 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
1866
1867 value ++;
1868 }
1869 else
1870 {
1871 /*
1872 * Grab literal name.
1873 */
1874
1875 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
1876 }
1877
1878 if (*valptr)
1879 *valptr++ = '\0';
1880
1881 cupsdAddName(loc, value);
1882
1883 for (value = valptr; isspace(*value & 255); value ++);
1884 }
1885 }
1886 else if (!strcasecmp(line, "Satisfy"))
1887 {
1888 if (!strcasecmp(value, "all"))
1889 loc->satisfy = AUTH_SATISFY_ALL;
1890 else if (!strcasecmp(value, "any"))
1891 loc->satisfy = AUTH_SATISFY_ANY;
1892 else
1893 {
1894 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d.",
1895 value, linenum);
1896 return (0);
1897 }
1898 }
1899 else
1900 return (0);
1901
1902 return (1);
1903}
1904
1905
bd7854cb 1906/*
1907 * 'parse_groups()' - Parse system group names in a string.
1908 */
1909
1910static int /* O - 1 on success, 0 on failure */
1911parse_groups(const char *s) /* I - Space-delimited groups */
1912{
1913 int status; /* Return status */
1914 char value[1024], /* Value string */
1915 *valstart, /* Pointer into value */
1916 *valend, /* End of value */
1917 quote; /* Quote character */
1918 struct group *group; /* Group */
1919
1920
1921 /*
1922 * Make a copy of the string and parse out the groups...
1923 */
1924
1925 strlcpy(value, s, sizeof(value));
1926
1927 status = 1;
1928 valstart = value;
1929
1930 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
1931 {
1932 if (*valstart == '\'' || *valstart == '\"')
1933 {
1934 /*
1935 * Scan quoted name...
1936 */
1937
1938 quote = *valstart++;
1939
1940 for (valend = valstart; *valend; valend ++)
1941 if (*valend == quote)
1942 break;
1943 }
1944 else
1945 {
1946 /*
1947 * Scan space or comma-delimited name...
1948 */
1949
1950 for (valend = valstart; *valend; valend ++)
1951 if (isspace(*valend) || *valend == ',')
1952 break;
1953 }
1954
1955 if (*valend)
1956 *valend++ = '\0';
1957
1958 group = getgrnam(valstart);
1959 if (group)
1960 {
1961 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
1962 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
1963
1964 NumSystemGroups ++;
1965 }
1966 else
1967 status = 0;
1968
1969 endgrent();
1970
1971 valstart = valend;
1972
1973 while (*valstart == ',' || isspace(*valstart))
1974 valstart ++;
1975 }
1976
1977 return (status);
1978}
1979
1980
1981/*
1982 * 'parse_protocols()' - Parse browse protocols in a string.
1983 */
1984
1985static int /* O - Browse protocol bits */
1986parse_protocols(const char *s) /* I - Space-delimited protocols */
1987{
1988 int protocols; /* Browse protocol bits */
1989 char value[1024], /* Value string */
1990 *valstart, /* Pointer into value */
1991 *valend; /* End of value */
1992
1993
d09495fa 1994 /*
1995 * Empty protocol line yields NULL pointer...
1996 */
1997
1998 if (!s)
1999 return (0);
2000
bd7854cb 2001 /*
2002 * Loop through the value string,...
2003 */
2004
2005 strlcpy(value, s, sizeof(value));
2006
2007 protocols = 0;
2008
2009 for (valstart = value; *valstart;)
2010 {
2011 /*
2012 * Get the current space/comma-delimited protocol name...
2013 */
2014
2015 for (valend = valstart; *valend; valend ++)
2016 if (isspace(*valend & 255) || *valend == ',')
2017 break;
2018
2019 if (*valend)
2020 *valend++ = '\0';
2021
2022 /*
2023 * Add the protocol to the bitmask...
2024 */
2025
2026 if (!strcasecmp(valstart, "cups"))
2027 protocols |= BROWSE_CUPS;
2028 else if (!strcasecmp(valstart, "slp"))
2029 protocols |= BROWSE_SLP;
2030 else if (!strcasecmp(valstart, "ldap"))
2031 protocols |= BROWSE_LDAP;
2032 else if (!strcasecmp(valstart, "dnssd") || !strcasecmp(valstart, "bonjour"))
2033 protocols |= BROWSE_DNSSD;
2034 else if (!strcasecmp(valstart, "all"))
2035 protocols |= BROWSE_ALL;
b86bc4cf 2036 else if (strcasecmp(valstart, "none"))
bd7854cb 2037 return (-1);
2038
2039 for (valstart = valend; *valstart; valstart ++)
2040 if (!isspace(*valstart & 255) || *valstart != ',')
2041 break;
2042 }
2043
2044 return (protocols);
2045}
2046
2047
ef416fc2 2048/*
2049 * 'read_configuration()' - Read a configuration file.
2050 */
2051
2052static int /* O - 1 on success, 0 on failure */
2053read_configuration(cups_file_t *fp) /* I - File to read from */
2054{
2055 int i; /* Looping var */
2056 int linenum; /* Current line number */
2057 char line[HTTP_MAX_BUFFER],
2058 /* Line from file */
2059 temp[HTTP_MAX_BUFFER],
2060 /* Temporary buffer for value */
2061 temp2[HTTP_MAX_BUFFER],
2062 /* Temporary buffer 2 for value */
2063 *ptr, /* Pointer into line/temp */
2064 *value, /* Pointer to value */
bd7854cb 2065 *valueptr; /* Pointer into value */
ef416fc2 2066 int valuelen; /* Length of value */
2067 cupsd_var_t *var; /* Current variable */
2068 http_addrlist_t *addrlist, /* Address list */
2069 *addr; /* Current address */
2070 unsigned ip[4], /* Address value */
2071 mask[4]; /* Netmask value */
2072 cupsd_dirsvc_relay_t *relay; /* Relay data */
2073 cupsd_dirsvc_poll_t *pollp; /* Polling data */
2074 cupsd_location_t *location; /* Browse location */
2075 cups_file_t *incfile; /* Include file */
2076 char incname[1024]; /* Include filename */
2077 struct group *group; /* Group */
2078
2079
2080 /*
2081 * Loop through each line in the file...
2082 */
2083
2084 linenum = 0;
2085
2086 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2087 {
2088 /*
2089 * Decode the directive...
2090 */
2091
2092 if (!strcasecmp(line, "Include"))
2093 {
2094 /*
2095 * Include filename
2096 */
2097
2098 if (value[0] == '/')
2099 strlcpy(incname, value, sizeof(incname));
2100 else
2101 snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
2102
2103 if ((incfile = cupsFileOpen(incname, "rb")) == NULL)
2104 cupsdLogMessage(CUPSD_LOG_ERROR,
2105 "Unable to include config file \"%s\" - %s",
2106 incname, strerror(errno));
2107 else
2108 {
2109 read_configuration(incfile);
2110 cupsFileClose(incfile);
2111 }
2112 }
2113 else if (!strcasecmp(line, "<Location"))
2114 {
2115 /*
2116 * <Location path>
2117 */
2118
2119 if (value)
2120 {
2121 linenum = read_location(fp, value, linenum);
2122 if (linenum == 0)
2123 return (0);
2124 }
2125 else
2126 {
2127 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.",
2128 linenum);
2129 return (0);
2130 }
2131 }
2132 else if (!strcasecmp(line, "<Policy"))
2133 {
2134 /*
2135 * <Policy name>
2136 */
2137
2138 if (value)
2139 {
2140 linenum = read_policy(fp, value, linenum);
2141 if (linenum == 0)
2142 return (0);
2143 }
2144 else
2145 {
2146 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2147 return (0);
2148 }
2149 }
2150 else if (!strcasecmp(line, "FaxRetryInterval"))
2151 {
2152 if (value)
2153 {
2154 JobRetryInterval = atoi(value);
2155 cupsdLogMessage(CUPSD_LOG_WARN,
2156 "FaxRetryInterval is deprecated; use "
2157 "JobRetryInterval on line %d.", linenum);
2158 }
2159 else
2160 {
2161 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2162 return (0);
2163 }
2164 }
2165 else if (!strcasecmp(line, "FaxRetryLimit"))
2166 {
2167 if (value)
2168 {
2169 JobRetryLimit = atoi(value);
2170 cupsdLogMessage(CUPSD_LOG_WARN,
2171 "FaxRetryLimit is deprecated; use "
2172 "JobRetryLimit on line %d.", linenum);
2173 }
2174 else
2175 {
2176 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
2177 return (0);
2178 }
2179 }
2180 else if (!strcasecmp(line, "Port") || !strcasecmp(line, "Listen")
2181#ifdef HAVE_SSL
2182 || !strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen")
2183#endif /* HAVE_SSL */
2184 )
2185 {
2186 /*
2187 * Add listening address(es) to the list...
2188 */
2189
2190 cupsd_listener_t *lis; /* New listeners array */
2191
2192
2193 /*
2194 * Get the address list...
2195 */
2196
2197 addrlist = get_address(value, IPP_PORT);
2198
2199 if (!addrlist)
2200 {
2201 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
2202 value, linenum);
2203 continue;
2204 }
2205
2206 /*
2207 * Add each address...
2208 */
2209
2210 for (addr = addrlist; addr; addr = addr->next)
2211 {
2212 /*
2213 * Allocate another listener...
2214 */
2215
bd7854cb 2216 if (!Listeners)
2217 Listeners = cupsArrayNew(NULL, NULL);
ef416fc2 2218
bd7854cb 2219 if (!Listeners)
ef416fc2 2220 {
2221 cupsdLogMessage(CUPSD_LOG_ERROR,
2222 "Unable to allocate %s at line %d - %s.",
2223 line, linenum, strerror(errno));
2224 break;
2225 }
2226
bd7854cb 2227 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
2228 {
2229 cupsdLogMessage(CUPSD_LOG_ERROR,
2230 "Unable to allocate %s at line %d - %s.",
2231 line, linenum, strerror(errno));
2232 break;
2233 }
2234
2235 cupsArrayAdd(Listeners, lis);
ef416fc2 2236
2237 /*
2238 * Copy the current address and log it...
2239 */
2240
ef416fc2 2241 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
a4d04587 2242 lis->fd = -1;
ef416fc2 2243
2244#ifdef HAVE_SSL
2245 if (!strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen"))
2246 lis->encryption = HTTP_ENCRYPT_ALWAYS;
2247#endif /* HAVE_SSL */
2248
a4d04587 2249 httpAddrString(&lis->address, temp, sizeof(temp));
2250
ef416fc2 2251#ifdef AF_INET6
2252 if (lis->address.addr.sa_family == AF_INET6)
2253 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv6)", temp,
2254 ntohs(lis->address.ipv6.sin6_port));
2255 else
2256#endif /* AF_INET6 */
2257#ifdef AF_LOCAL
2258 if (lis->address.addr.sa_family == AF_LOCAL)
2259 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
2260 else
2261#endif /* AF_LOCAL */
2262 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv4)", temp,
2263 ntohs(lis->address.ipv4.sin_port));
ef416fc2 2264 }
2265
2266 /*
2267 * Free the list...
2268 */
2269
2270 httpAddrFreeList(addrlist);
2271 }
2272 else if (!strcasecmp(line, "BrowseAddress"))
2273 {
2274 /*
2275 * Add a browse address to the list...
2276 */
2277
2278 cupsd_dirsvc_addr_t *dira; /* New browse address array */
2279
2280
2281 if (NumBrowsers == 0)
2282 dira = malloc(sizeof(cupsd_dirsvc_addr_t));
2283 else
2284 dira = realloc(Browsers, (NumBrowsers + 1) * sizeof(cupsd_dirsvc_addr_t));
2285
2286 if (!dira)
2287 {
2288 cupsdLogMessage(CUPSD_LOG_ERROR,
2289 "Unable to allocate BrowseAddress at line %d - %s.",
2290 linenum, strerror(errno));
2291 continue;
2292 }
2293
2294 Browsers = dira;
2295 dira += NumBrowsers;
2296
2297 memset(dira, 0, sizeof(cupsd_dirsvc_addr_t));
2298
2299 if (!strcasecmp(value, "@LOCAL"))
2300 {
2301 /*
2302 * Send browse data to all local interfaces...
2303 */
2304
2305 strcpy(dira->iface, "*");
2306 NumBrowsers ++;
2307 }
2308 else if (!strncasecmp(value, "@IF(", 4))
2309 {
2310 /*
2311 * Send browse data to the named interface...
2312 */
2313
2314 strlcpy(dira->iface, value + 4, sizeof(Browsers[0].iface));
2315
2316 ptr = dira->iface + strlen(dira->iface) - 1;
2317 if (*ptr == ')')
2318 *ptr = '\0';
2319
2320 NumBrowsers ++;
2321 }
2322 else if ((addrlist = get_address(value, BrowsePort)) != NULL)
2323 {
2324 /*
2325 * Only IPv4 addresses are supported...
2326 */
2327
2328 for (addr = addrlist; addr; addr = addr->next)
2329 if (addr->addr.addr.sa_family == AF_INET)
2330 break;
2331
2332 if (addr)
2333 {
2334 memcpy(&(dira->to), &(addrlist->addr), sizeof(dira->to));
2335 httpAddrString(&(dira->to), temp, sizeof(temp));
2336
2337 cupsdLogMessage(CUPSD_LOG_INFO,
2338 "Sending browsing info to %s:%d (IPv4)",
2339 temp, ntohs(dira->to.ipv4.sin_port));
2340
2341 NumBrowsers ++;
2342 }
2343 else
2344 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2345 value, linenum);
2346
2347 httpAddrFreeList(addrlist);
2348 }
2349 else
2350 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
2351 value, linenum);
2352 }
2353 else if (!strcasecmp(line, "BrowseOrder"))
2354 {
2355 /*
2356 * "BrowseOrder Deny,Allow" or "BrowseOrder Allow,Deny"...
2357 */
2358
2359 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2360 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2361
2362 if (location == NULL)
2363 cupsdLogMessage(CUPSD_LOG_ERROR,
2364 "Unable to initialize browse access control list!");
2365 else if (!strncasecmp(value, "deny", 4))
2366 location->order_type = AUTH_ALLOW;
2367 else if (!strncasecmp(value, "allow", 5))
2368 location->order_type = AUTH_DENY;
2369 else
2370 cupsdLogMessage(CUPSD_LOG_ERROR,
2371 "Unknown BrowseOrder value %s on line %d.",
2372 value, linenum);
2373 }
2374 else if (!strcasecmp(line, "BrowseProtocols") ||
2375 !strcasecmp(line, "BrowseLocalProtocols") ||
2376 !strcasecmp(line, "BrowseRemoteProtocols"))
2377 {
2378 /*
bd7854cb 2379 * "BrowseProtocols name [... name]"
2380 * "BrowseLocalProtocols name [... name]"
2381 * "BrowseRemoteProtocols name [... name]"
ef416fc2 2382 */
2383
bd7854cb 2384 int protocols = parse_protocols(value);
ef416fc2 2385
bd7854cb 2386 if (protocols < 0)
ef416fc2 2387 {
bd7854cb 2388 cupsdLogMessage(CUPSD_LOG_ERROR,
2389 "Unknown browse protocol \"%s\" on line %d.",
2390 value, linenum);
2391 break;
ef416fc2 2392 }
bd7854cb 2393
2394 if (strcasecmp(line, "BrowseLocalProtocols"))
2395 BrowseRemoteProtocols = protocols;
2396 if (strcasecmp(line, "BrowseRemoteProtocols"))
2397 BrowseLocalProtocols = protocols;
ef416fc2 2398 }
2399 else if (!strcasecmp(line, "BrowseAllow") ||
2400 !strcasecmp(line, "BrowseDeny"))
2401 {
2402 /*
2403 * BrowseAllow [From] host/ip...
2404 * BrowseDeny [From] host/ip...
2405 */
2406
2407 if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
2408 location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
2409
2410 if (location == NULL)
2411 cupsdLogMessage(CUPSD_LOG_ERROR,
2412 "Unable to initialize browse access control list!");
2413 else
2414 {
2415 if (!strncasecmp(value, "from ", 5))
2416 {
2417 /*
2418 * Strip leading "from"...
2419 */
2420
2421 value += 5;
2422
2423 while (isspace(*value))
2424 value ++;
2425 }
2426
2427 /*
2428 * Figure out what form the allow/deny address takes:
2429 *
2430 * All
2431 * None
2432 * *.domain.com
2433 * .domain.com
2434 * host.domain.com
2435 * nnn.*
2436 * nnn.nnn.*
2437 * nnn.nnn.nnn.*
2438 * nnn.nnn.nnn.nnn
2439 * nnn.nnn.nnn.nnn/mm
2440 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2441 */
2442
2443 if (!strcasecmp(value, "all"))
2444 {
2445 /*
2446 * All hosts...
2447 */
2448
2449 if (!strcasecmp(line, "BrowseAllow"))
2450 cupsdAllowIP(location, zeros, zeros);
2451 else
2452 cupsdDenyIP(location, zeros, zeros);
2453 }
2454 else if (!strcasecmp(value, "none"))
2455 {
2456 /*
2457 * No hosts...
2458 */
2459
2460 if (!strcasecmp(line, "BrowseAllow"))
2461 cupsdAllowIP(location, ones, zeros);
2462 else
2463 cupsdDenyIP(location, ones, zeros);
2464 }
ed486911 2465#ifdef AF_INET6
2466 else if (value[0] == '*' || value[0] == '.' ||
2467 (!isdigit(value[0] & 255) && value[0] != '['))
2468#else
2469 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2470#endif /* AF_INET6 */
ef416fc2 2471 {
2472 /*
2473 * Host or domain name...
2474 */
2475
2476 if (value[0] == '*')
2477 value ++;
2478
2479 if (!strcasecmp(line, "BrowseAllow"))
2480 cupsdAllowHost(location, value);
2481 else
2482 cupsdDenyHost(location, value);
2483 }
2484 else
2485 {
2486 /*
2487 * One of many IP address forms...
2488 */
2489
2490 if (!get_addr_and_mask(value, ip, mask))
2491 {
2492 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2493 value, linenum);
2494 break;
2495 }
2496
2497 if (!strcasecmp(line, "BrowseAllow"))
2498 cupsdAllowIP(location, ip, mask);
2499 else
2500 cupsdDenyIP(location, ip, mask);
2501 }
2502 }
2503 }
2504 else if (!strcasecmp(line, "BrowseRelay"))
2505 {
2506 /*
2507 * BrowseRelay [from] source [to] destination
2508 */
2509
2510 if (NumRelays == 0)
2511 relay = malloc(sizeof(cupsd_dirsvc_relay_t));
2512 else
2513 relay = realloc(Relays, (NumRelays + 1) * sizeof(cupsd_dirsvc_relay_t));
2514
2515 if (!relay)
2516 {
2517 cupsdLogMessage(CUPSD_LOG_ERROR,
2518 "Unable to allocate BrowseRelay at line %d - %s.",
2519 linenum, strerror(errno));
2520 continue;
2521 }
2522
2523 Relays = relay;
2524 relay += NumRelays;
2525
2526 memset(relay, 0, sizeof(cupsd_dirsvc_relay_t));
2527
2528 if (!strncasecmp(value, "from ", 5))
2529 {
2530 /*
2531 * Strip leading "from"...
2532 */
2533
2534 value += 5;
2535
2536 while (isspace(*value))
2537 value ++;
2538 }
2539
2540 /*
2541 * Figure out what form the from address takes:
2542 *
2543 * *.domain.com
2544 * .domain.com
2545 * host.domain.com
2546 * nnn.*
2547 * nnn.nnn.*
2548 * nnn.nnn.nnn.*
2549 * nnn.nnn.nnn.nnn
2550 * nnn.nnn.nnn.nnn/mm
2551 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2552 */
2553
ed486911 2554#ifdef AF_INET6
2555 if (value[0] == '*' || value[0] == '.' ||
2556 (!isdigit(value[0] & 255) && value[0] != '['))
2557#else
2558 if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2559#endif /* AF_INET6 */
ef416fc2 2560 {
2561 /*
2562 * Host or domain name...
2563 */
2564
2565 if (value[0] == '*')
2566 value ++;
2567
2568 strlcpy(temp, value, sizeof(temp));
2569 if ((ptr = strchr(temp, ' ')) != NULL)
2570 *ptr = '\0';
2571
2572 relay->from.type = AUTH_NAME;
2573 relay->from.mask.name.name = strdup(temp);
2574 relay->from.mask.name.length = strlen(temp);
2575 }
2576 else
2577 {
2578 /*
2579 * One of many IP address forms...
2580 */
2581
2582 if (!get_addr_and_mask(value, ip, mask))
2583 {
2584 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
2585 value, linenum);
2586 break;
2587 }
2588
2589 relay->from.type = AUTH_IP;
2590 memcpy(relay->from.mask.ip.address, ip,
2591 sizeof(relay->from.mask.ip.address));
2592 memcpy(relay->from.mask.ip.netmask, mask,
2593 sizeof(relay->from.mask.ip.netmask));
2594 }
2595
2596 /*
2597 * Skip value and trailing whitespace...
2598 */
2599
2600 for (; *value; value ++)
2601 if (isspace(*value))
2602 break;
2603
2604 while (isspace(*value))
2605 value ++;
2606
2607 if (!strncasecmp(value, "to ", 3))
2608 {
2609 /*
2610 * Strip leading "to"...
2611 */
2612
2613 value += 3;
2614
2615 while (isspace(*value))
2616 value ++;
2617 }
2618
2619 /*
2620 * Get "to" address and port...
2621 */
2622
2623 if ((addrlist = get_address(value, BrowsePort)) != NULL)
2624 {
2625 /*
2626 * Only IPv4 addresses are supported...
2627 */
2628
2629 for (addr = addrlist; addr; addr = addr->next)
2630 if (addr->addr.addr.sa_family == AF_INET)
2631 break;
2632
2633 if (addr)
2634 {
2635 memcpy(&(relay->to), &(addrlist->addr), sizeof(relay->to));
2636
2637 httpAddrString(&(relay->to), temp, sizeof(temp));
2638
2639 if (relay->from.type == AUTH_IP)
2640 snprintf(temp2, sizeof(temp2), "%u.%u.%u.%u/%u.%u.%u.%u",
2641 relay->from.mask.ip.address[0],
2642 relay->from.mask.ip.address[1],
2643 relay->from.mask.ip.address[2],
2644 relay->from.mask.ip.address[3],
2645 relay->from.mask.ip.netmask[0],
2646 relay->from.mask.ip.netmask[1],
2647 relay->from.mask.ip.netmask[2],
2648 relay->from.mask.ip.netmask[3]);
2649 else
2650 strlcpy(temp2, relay->from.mask.name.name, sizeof(temp2));
2651
2652 cupsdLogMessage(CUPSD_LOG_INFO, "Relaying from %s to %s:%d (IPv4)",
8ca02f3c 2653 temp2, temp, ntohs(relay->to.ipv4.sin_port));
ef416fc2 2654
2655 NumRelays ++;
2656 }
2657 else
2658 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2659 value, linenum);
2660
2661 httpAddrFreeList(addrlist);
2662 }
2663 else
2664 {
2665 if (relay->from.type == AUTH_NAME)
2666 free(relay->from.mask.name.name);
2667
2668 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
2669 value, linenum);
2670 }
2671 }
2672 else if (!strcasecmp(line, "BrowsePoll"))
2673 {
2674 /*
2675 * BrowsePoll address[:port]
2676 */
2677
2678 char *portname; /* Port name */
2679 int portnum; /* Port number */
2680 struct servent *service; /* Service */
2681
2682
2683 /*
2684 * Extract the port name from the address...
2685 */
2686
2687 if ((portname = strrchr(value, ':')) != NULL && !strchr(portname, ']'))
2688 {
2689 *portname++ = '\0';
2690
2691 if (isdigit(*portname & 255))
2692 portnum = atoi(portname);
2693 else if ((service = getservbyname(portname, NULL)) != NULL)
2694 portnum = ntohs(service->s_port);
2695 else
2696 {
2697 cupsdLogMessage(CUPSD_LOG_ERROR, "Lookup of service \"%s\" failed!",
2698 portname);
2699 continue;
2700 }
2701 }
2702 else
2703 portnum = ippPort();
2704
2705 /*
2706 * Add the poll entry...
2707 */
2708
2709 if (NumPolled == 0)
2710 pollp = malloc(sizeof(cupsd_dirsvc_poll_t));
2711 else
2712 pollp = realloc(Polled, (NumPolled + 1) * sizeof(cupsd_dirsvc_poll_t));
2713
2714 if (!pollp)
2715 {
2716 cupsdLogMessage(CUPSD_LOG_ERROR,
2717 "Unable to allocate BrowsePoll at line %d - %s.",
2718 linenum, strerror(errno));
2719 continue;
2720 }
2721
2722 Polled = pollp;
2723 pollp += NumPolled;
2724
2725 NumPolled ++;
2726 memset(pollp, 0, sizeof(cupsd_dirsvc_poll_t));
2727
2728 strlcpy(pollp->hostname, value, sizeof(pollp->hostname));
2729 pollp->port = portnum;
2730
2731 cupsdLogMessage(CUPSD_LOG_INFO, "Polling %s:%d", pollp->hostname,
2732 pollp->port);
2733 }
2734 else if (!strcasecmp(line, "DefaultAuthType"))
2735 {
2736 /*
2737 * DefaultAuthType {basic,digest,basicdigest}
2738 */
2739
2740 if (!strcasecmp(value, "basic"))
2741 DefaultAuthType = AUTH_BASIC;
2742 else if (!strcasecmp(value, "digest"))
2743 DefaultAuthType = AUTH_DIGEST;
2744 else if (!strcasecmp(value, "basicdigest"))
2745 DefaultAuthType = AUTH_BASICDIGEST;
f7deaa1a 2746#ifdef HAVE_GSSAPI
7594b224 2747 else if (!strcasecmp(value, "negotiate"))
2748 DefaultAuthType = AUTH_NEGOTIATE;
f7deaa1a 2749#endif /* HAVE_GSSAPI */
ef416fc2 2750 else
2751 {
2752 cupsdLogMessage(CUPSD_LOG_WARN,
2753 "Unknown default authorization type %s on line %d.",
2754 value, linenum);
2755 return (0);
2756 }
2757 }
4744bd90 2758#ifdef HAVE_SSL
2759 else if (!strcasecmp(line, "DefaultEncryption"))
2760 {
2761 /*
2762 * DefaultEncryption {Never,IfRequested,Required}
2763 */
2764
2765 if (!value || !strcasecmp(value, "never"))
2766 DefaultEncryption = HTTP_ENCRYPT_NEVER;
2767 else if (!strcasecmp(value, "required"))
2768 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
2769 else if (!strcasecmp(value, "ifrequested"))
2770 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
2771 else
2772 {
2773 cupsdLogMessage(CUPSD_LOG_WARN,
2774 "Unknown default encryption %s on line %d.",
2775 value, linenum);
2776 return (0);
2777 }
2778 }
2779#endif /* HAVE_SSL */
f7deaa1a 2780#ifdef HAVE_GSSAPI
2781 else if (!strcasecmp(line, "Krb5Keytab"))
2782 {
2783 cupsdSetStringf(&Krb5Keytab, "KRB5_KTNAME=%s", value);
2784 putenv(Krb5Keytab);
2785
2786# ifdef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
2787 gsskrb5_register_acceptor_identity(value);
2788# else
2789 cupsdSetEnv("KRB5_KTNAME", value);
2790# endif /* HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY */
2791 }
2792#endif /* HAVE_GSSAPI */
ef416fc2 2793 else if (!strcasecmp(line, "User"))
2794 {
2795 /*
2796 * User ID to run as...
2797 */
2798
2799 if (value && isdigit(value[0] & 255))
2800 {
2801 int uid = atoi(value);
2802
2803 if (!uid)
2804 cupsdLogMessage(CUPSD_LOG_ERROR,
2805 "Will not use User 0 as specified on line %d "
2806 "for security reasons. You must use a non-"
2807 "privileged account instead.",
2808 linenum);
2809 else
2810 User = atoi(value);
2811 }
2812 else if (value)
2813 {
2814 struct passwd *p; /* Password information */
2815
2816 endpwent();
2817 p = getpwnam(value);
2818
2819 if (p)
2820 {
2821 if (!p->pw_uid)
2822 cupsdLogMessage(CUPSD_LOG_ERROR,
2823 "Will not use User %s (UID=0) as specified on line "
2824 "%d for security reasons. You must use a non-"
2825 "privileged account instead.",
2826 value, linenum);
2827 else
2828 User = p->pw_uid;
2829 }
2830 else
2831 cupsdLogMessage(CUPSD_LOG_ERROR,
2832 "Unknown User \"%s\" on line %d, ignoring!",
2833 value, linenum);
2834 }
2835 else
2836 cupsdLogMessage(CUPSD_LOG_ERROR,
2837 "User directive on line %d missing the username!",
2838 linenum);
2839 }
2840 else if (!strcasecmp(line, "Group"))
2841 {
2842 /*
2843 * Group ID to run as...
2844 */
2845
2846 if (isdigit(value[0]))
2847 Group = atoi(value);
2848 else
2849 {
2850 endgrent();
2851 group = getgrnam(value);
2852
2853 if (group != NULL)
2854 Group = group->gr_gid;
2855 else
2856 cupsdLogMessage(CUPSD_LOG_ERROR,
2857 "Unknown Group \"%s\" on line %d, ignoring!",
2858 value, linenum);
2859 }
2860 }
2861 else if (!strcasecmp(line, "SystemGroup"))
2862 {
2863 /*
bd7854cb 2864 * SystemGroup (admin) group(s)...
ef416fc2 2865 */
2866
bd7854cb 2867 if (!parse_groups(value))
2868 cupsdLogMessage(CUPSD_LOG_ERROR,
2869 "Unknown SystemGroup \"%s\" on line %d, ignoring!",
2870 value, linenum);
ef416fc2 2871 }
2872 else if (!strcasecmp(line, "HostNameLookups"))
2873 {
2874 /*
2875 * Do hostname lookups?
2876 */
2877
2878 if (!strcasecmp(value, "off"))
2879 HostNameLookups = 0;
2880 else if (!strcasecmp(value, "on"))
2881 HostNameLookups = 1;
2882 else if (!strcasecmp(value, "double"))
2883 HostNameLookups = 2;
2884 else
2885 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d.",
2886 value, linenum);
2887 }
2888 else if (!strcasecmp(line, "LogLevel"))
2889 {
2890 /*
2891 * Amount of logging to do...
2892 */
2893
2894 if (!strcasecmp(value, "debug2"))
2895 LogLevel = CUPSD_LOG_DEBUG2;
2896 else if (!strcasecmp(value, "debug"))
2897 LogLevel = CUPSD_LOG_DEBUG;
2898 else if (!strcasecmp(value, "info"))
2899 LogLevel = CUPSD_LOG_INFO;
2900 else if (!strcasecmp(value, "notice"))
2901 LogLevel = CUPSD_LOG_NOTICE;
2902 else if (!strcasecmp(value, "warn"))
2903 LogLevel = CUPSD_LOG_WARN;
2904 else if (!strcasecmp(value, "error"))
2905 LogLevel = CUPSD_LOG_ERROR;
2906 else if (!strcasecmp(value, "crit"))
2907 LogLevel = CUPSD_LOG_CRIT;
2908 else if (!strcasecmp(value, "alert"))
2909 LogLevel = CUPSD_LOG_ALERT;
2910 else if (!strcasecmp(value, "emerg"))
2911 LogLevel = CUPSD_LOG_EMERG;
2912 else if (!strcasecmp(value, "none"))
2913 LogLevel = CUPSD_LOG_NONE;
2914 else
2915 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d.",
2916 value, linenum);
2917 }
2918 else if (!strcasecmp(line, "PrintcapFormat"))
2919 {
2920 /*
2921 * Format of printcap file?
2922 */
2923
2924 if (!strcasecmp(value, "bsd"))
2925 PrintcapFormat = PRINTCAP_BSD;
2926 else if (!strcasecmp(value, "solaris"))
2927 PrintcapFormat = PRINTCAP_SOLARIS;
2928 else
2929 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown PrintcapFormat %s on line %d.",
2930 value, linenum);
2931 }
2932 else if (!strcasecmp(line, "ServerTokens"))
2933 {
2934 /*
2935 * Set the string used for the Server header...
2936 */
2937
2938 struct utsname plat; /* Platform info */
2939
2940
2941 uname(&plat);
2942
2943 if (!strcasecmp(value, "ProductOnly"))
2944 cupsdSetString(&ServerHeader, "CUPS");
2945 else if (!strcasecmp(value, "Major"))
2946 cupsdSetString(&ServerHeader, "CUPS/1");
2947 else if (!strcasecmp(value, "Minor"))
bd7854cb 2948 cupsdSetString(&ServerHeader, "CUPS/1.2");
ef416fc2 2949 else if (!strcasecmp(value, "Minimal"))
2950 cupsdSetString(&ServerHeader, CUPS_MINIMAL);
2951 else if (!strcasecmp(value, "OS"))
2952 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s)", plat.sysname);
2953 else if (!strcasecmp(value, "Full"))
2954 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s) IPP/1.1",
2955 plat.sysname);
2956 else if (!strcasecmp(value, "None"))
2957 cupsdClearString(&ServerHeader);
2958 else
2959 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d.",
2960 value, linenum);
2961 }
2962 else if (!strcasecmp(line, "PassEnv"))
2963 {
2964 /*
2965 * PassEnv variable [... variable]
2966 */
2967
2968 for (; *value;)
2969 {
2970 for (valuelen = 0; value[valuelen]; valuelen ++)
2971 if (isspace(value[valuelen]) || value[valuelen] == ',')
2972 break;
2973
2974 if (value[valuelen])
2975 {
2976 value[valuelen] = '\0';
2977 valuelen ++;
2978 }
2979
2980 cupsdSetEnv(value, NULL);
2981
2982 for (value += valuelen; *value; value ++)
2983 if (!isspace(*value) || *value != ',')
2984 break;
2985 }
2986 }
2987 else if (!strcasecmp(line, "SetEnv"))
2988 {
2989 /*
2990 * SetEnv variable value
2991 */
2992
2993 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
2994
2995 if (*valueptr)
2996 {
2997 /*
2998 * Found a value...
2999 */
3000
3001 while (isspace(*valueptr & 255))
3002 *valueptr++ = '\0';
3003
3004 cupsdSetEnv(value, valueptr);
3005 }
3006 else
3007 cupsdLogMessage(CUPSD_LOG_ERROR,
3008 "Missing value for SetEnv directive on line %d.",
3009 linenum);
3010 }
3011 else
3012 {
3013 /*
3014 * Find a simple variable in the list...
3015 */
3016
3017 for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
3018 if (!strcasecmp(line, var->name))
3019 break;
3020
3021 if (i == 0)
3022 {
3023 /*
3024 * Unknown directive! Output an error message and continue...
3025 */
3026
3027 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d.",
3028 line, linenum);
3029 continue;
3030 }
3031
3032 switch (var->type)
3033 {
3034 case CUPSD_VARTYPE_INTEGER :
a74454a7 3035 if (!value)
3036 cupsdLogMessage(CUPSD_LOG_ERROR,
3037 "Missing integer value for %s on line %d!",
3038 line, linenum);
3039 else
ef416fc2 3040 {
3041 int n; /* Number */
3042 char *units; /* Units */
3043
3044
3045 n = strtol(value, &units, 0);
3046
3047 if (units && *units)
3048 {
3049 if (tolower(units[0] & 255) == 'g')
3050 n *= 1024 * 1024 * 1024;
3051 else if (tolower(units[0] & 255) == 'm')
3052 n *= 1024 * 1024;
3053 else if (tolower(units[0] & 255) == 'k')
3054 n *= 1024;
3055 else if (tolower(units[0] & 255) == 't')
3056 n *= 262144;
3057 }
3058
8ca02f3c 3059 if (n < 0)
3060 cupsdLogMessage(CUPSD_LOG_ERROR,
3061 "Bad negative integer value for %s on line %d!",
3062 line, linenum);
3063 else
3064 *((int *)var->ptr) = n;
ef416fc2 3065 }
3066 break;
3067
3068 case CUPSD_VARTYPE_BOOLEAN :
a74454a7 3069 if (!value)
3070 cupsdLogMessage(CUPSD_LOG_ERROR,
3071 "Missing boolean value for %s on line %d!",
3072 line, linenum);
3073 else if (!strcasecmp(value, "true") ||
3074 !strcasecmp(value, "on") ||
3075 !strcasecmp(value, "enabled") ||
3076 !strcasecmp(value, "yes") ||
3077 atoi(value) != 0)
ef416fc2 3078 *((int *)var->ptr) = TRUE;
3079 else if (!strcasecmp(value, "false") ||
3080 !strcasecmp(value, "off") ||
3081 !strcasecmp(value, "disabled") ||
3082 !strcasecmp(value, "no") ||
3083 !strcasecmp(value, "0"))
3084 *((int *)var->ptr) = FALSE;
3085 else
3086 cupsdLogMessage(CUPSD_LOG_ERROR,
3087 "Unknown boolean value %s on line %d.",
3088 value, linenum);
3089 break;
3090
3091 case CUPSD_VARTYPE_STRING :
3092 cupsdSetString((char **)var->ptr, value);
3093 break;
3094 }
3095 }
3096 }
3097
3098 return (1);
3099}
3100
3101
3102/*
3103 * 'read_location()' - Read a <Location path> definition.
3104 */
3105
3106static int /* O - New line number or 0 on error */
3107read_location(cups_file_t *fp, /* I - Configuration file */
3108 char *location, /* I - Location name/path */
3109 int linenum) /* I - Current line number */
3110{
3111 cupsd_location_t *loc, /* New location */
3112 *parent; /* Parent location */
3113 char line[HTTP_MAX_BUFFER],
3114 /* Line buffer */
3115 *value, /* Value for directive */
3116 *valptr; /* Pointer into value */
3117
3118
3119 if ((parent = cupsdAddLocation(location)) == NULL)
3120 return (0);
3121
3122 parent->limit = AUTH_LIMIT_ALL;
3123 loc = parent;
3124
3125 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3126 {
3127 /*
3128 * Decode the directive...
3129 */
3130
3131 if (!strcasecmp(line, "</Location>"))
3132 return (linenum);
3133 else if (!strcasecmp(line, "<Limit") ||
3134 !strcasecmp(line, "<LimitExcept"))
3135 {
3136 if (!value)
3137 {
3138 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3139 return (0);
3140 }
3141
3142 if ((loc = cupsdCopyLocation(&parent)) == NULL)
3143 return (0);
3144
3145 loc->limit = 0;
3146 while (*value)
3147 {
3148 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3149
3150 if (*valptr)
3151 *valptr++ = '\0';
3152
3153 if (!strcmp(value, "ALL"))
3154 loc->limit = AUTH_LIMIT_ALL;
3155 else if (!strcmp(value, "GET"))
3156 loc->limit |= AUTH_LIMIT_GET;
3157 else if (!strcmp(value, "HEAD"))
3158 loc->limit |= AUTH_LIMIT_HEAD;
3159 else if (!strcmp(value, "OPTIONS"))
3160 loc->limit |= AUTH_LIMIT_OPTIONS;
3161 else if (!strcmp(value, "POST"))
3162 loc->limit |= AUTH_LIMIT_POST;
3163 else if (!strcmp(value, "PUT"))
3164 loc->limit |= AUTH_LIMIT_PUT;
3165 else if (!strcmp(value, "TRACE"))
3166 loc->limit |= AUTH_LIMIT_TRACE;
3167 else
3168 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d!",
3169 value, linenum);
3170
3171 for (value = valptr; isspace(*value & 255); value ++);
3172 }
3173
3174 if (!strcasecmp(line, "<LimitExcept"))
3175 loc->limit = AUTH_LIMIT_ALL ^ loc->limit;
3176
3177 parent->limit &= ~loc->limit;
3178 }
3179 else if (!strcasecmp(line, "</Limit>"))
3180 loc = parent;
3181 else if (!parse_aaa(loc, line, value, linenum))
3182 {
3183 cupsdLogMessage(CUPSD_LOG_ERROR,
3184 "Unknown Location directive %s on line %d.",
3185 line, linenum);
3186 return (0);
3187 }
3188 }
3189
3190 cupsdLogMessage(CUPSD_LOG_ERROR,
3191 "Unexpected end-of-file at line %d while reading location!",
3192 linenum);
3193
3194 return (0);
3195}
3196
3197
3198/*
3199 * 'read_policy()' - Read a <Policy name> definition.
3200 */
3201
3202static int /* O - New line number or 0 on error */
3203read_policy(cups_file_t *fp, /* I - Configuration file */
3204 char *policy, /* I - Location name/path */
3205 int linenum) /* I - Current line number */
3206{
3207 int i; /* Looping var */
3208 cupsd_policy_t *pol; /* Policy */
3209 cupsd_location_t *op; /* Policy operation */
3210 int num_ops; /* Number of IPP operations */
3211 ipp_op_t ops[100]; /* Operations */
3212 char line[HTTP_MAX_BUFFER],
3213 /* Line buffer */
3214 *value, /* Value for directive */
3215 *valptr; /* Pointer into value */
3216
3217
3218 /*
3219 * Create the policy...
3220 */
3221
3222 if ((pol = cupsdAddPolicy(policy)) == NULL)
3223 return (0);
3224
3225 /*
3226 * Read from the file...
3227 */
3228
3229 op = NULL;
3230 num_ops = 0;
3231
3232 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3233 {
3234 /*
3235 * Decode the directive...
3236 */
3237
3238 if (!strcasecmp(line, "</Policy>"))
3239 {
3240 if (op)
3241 cupsdLogMessage(CUPSD_LOG_WARN,
3242 "Missing </Limit> before </Policy> on line %d!",
3243 linenum);
3244
3245 return (linenum);
3246 }
3247 else if (!strcasecmp(line, "<Limit") && !op)
3248 {
3249 if (!value)
3250 {
3251 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
3252 return (0);
3253 }
3254
3255 /*
3256 * Scan for IPP operation names...
3257 */
3258
3259 num_ops = 0;
3260
3261 while (*value)
3262 {
3263 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3264
3265 if (*valptr)
3266 *valptr++ = '\0';
3267
3268 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3269 {
3270 if (!strcasecmp(value, "All"))
3271 ops[num_ops] = IPP_ANY_OPERATION;
3272 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3273 cupsdLogMessage(CUPSD_LOG_ERROR,
3274 "Bad IPP operation name \"%s\" on line %d!",
3275 value, linenum);
3276 else
3277 num_ops ++;
3278 }
3279 else
3280 cupsdLogMessage(CUPSD_LOG_ERROR,
3281 "Too many operations listed on line %d!",
3282 linenum);
3283
3284 for (value = valptr; isspace(*value & 255); value ++);
3285 }
3286
3287 /*
3288 * If none are specified, apply the policy to all operations...
3289 */
3290
3291 if (num_ops == 0)
3292 {
3293 ops[0] = IPP_ANY_OPERATION;
3294 num_ops = 1;
3295 }
3296
3297 /*
3298 * Add a new policy for the first operation...
3299 */
3300
3301 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3302 }
3303 else if (!strcasecmp(line, "</Limit>") && op)
3304 {
3305 /*
3306 * Finish the current operation limit...
3307 */
3308
3309 if (num_ops > 1)
3310 {
3311 /*
3312 * Copy the policy to the other operations...
3313 */
3314
3315 for (i = 1; i < num_ops; i ++)
3316 cupsdAddPolicyOp(pol, op, ops[i]);
3317 }
3318
3319 op = NULL;
3320 }
3321 else if (!op)
3322 {
3323 cupsdLogMessage(CUPSD_LOG_ERROR,
3324 "Missing <Limit ops> directive before %s on line %d.",
3325 line, linenum);
3326 return (0);
3327 }
3328 else if (!parse_aaa(op, line, value, linenum))
3329 {
3330 if (op)
3331 cupsdLogMessage(CUPSD_LOG_ERROR,
3332 "Unknown Policy Limit directive %s on line %d.",
3333 line, linenum);
3334 else
3335 cupsdLogMessage(CUPSD_LOG_ERROR,
3336 "Unknown Policy directive %s on line %d.",
3337 line, linenum);
3338
3339 return (0);
3340 }
3341 }
3342
3343 cupsdLogMessage(CUPSD_LOG_ERROR,
3344 "Unexpected end-of-file at line %d while reading policy \"%s\"!",
3345 linenum, policy);
3346
3347 return (0);
3348}
3349
3350
3351/*
c0e1af83 3352 * End of "$Id: conf.c 6409 2007-03-28 18:02:59Z mike $".
ef416fc2 3353 */
Unnamed repository; edit this file 'description' to name the repository.