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License change: Apache License, Version 2.0.
[thirdparty/cups.git] / scheduler / conf.c
1 /*
2 * Configuration routines for the CUPS scheduler.
3 *
4 * Copyright 2007-2017 by Apple Inc.
5 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
6 *
7 * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
8 */
9
10 /*
11 * Include necessary headers...
12 */
13
14 #include "cupsd.h"
15 #include <stdarg.h>
16 #include <grp.h>
17 #include <sys/utsname.h>
18 #ifdef HAVE_ASL_H
19 # include <asl.h>
20 #elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
21 # define SD_JOURNAL_SUPPRESS_LOCATION
22 # include <systemd/sd-journal.h>
23 #endif /* HAVE_ASL_H */
24 #include <syslog.h>
25
26 #ifdef HAVE_LIBPAPER
27 # include <paper.h>
28 #endif /* HAVE_LIBPAPER */
29
30
31 /*
32 * Possibly missing network definitions...
33 */
34
35 #ifndef INADDR_NONE
36 # define INADDR_NONE 0xffffffff
37 #endif /* !INADDR_NONE */
38
39
40 /*
41 * Configuration variable structure...
42 */
43
44 typedef enum
45 {
46 CUPSD_VARTYPE_INTEGER, /* Integer option */
47 CUPSD_VARTYPE_TIME, /* Time interval option */
48 CUPSD_VARTYPE_STRING, /* String option */
49 CUPSD_VARTYPE_BOOLEAN, /* Boolean option */
50 CUPSD_VARTYPE_PATHNAME, /* File/directory name option */
51 CUPSD_VARTYPE_PERM /* File/directory permissions */
52 } cupsd_vartype_t;
53
54 typedef struct
55 {
56 const char *name; /* Name of variable */
57 void *ptr; /* Pointer to variable */
58 cupsd_vartype_t type; /* Type (int, string, address) */
59 } cupsd_var_t;
60
61
62 /*
63 * Local globals...
64 */
65
66 static const cupsd_var_t cupsd_vars[] =
67 {
68 { "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
69 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
70 { "BrowseDNSSDSubTypes", &DNSSDSubTypes, CUPSD_VARTYPE_STRING },
71 #endif /* HAVE_DNSSD || HAVE_AVAHI */
72 { "BrowseWebIF", &BrowseWebIF, CUPSD_VARTYPE_BOOLEAN },
73 { "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
74 { "Classification", &Classification, CUPSD_VARTYPE_STRING },
75 { "ClassifyOverride", &ClassifyOverride, CUPSD_VARTYPE_BOOLEAN },
76 { "DefaultLanguage", &DefaultLanguage, CUPSD_VARTYPE_STRING },
77 { "DefaultLeaseDuration", &DefaultLeaseDuration, CUPSD_VARTYPE_TIME },
78 { "DefaultPaperSize", &DefaultPaperSize, CUPSD_VARTYPE_STRING },
79 { "DefaultPolicy", &DefaultPolicy, CUPSD_VARTYPE_STRING },
80 { "DefaultShared", &DefaultShared, CUPSD_VARTYPE_BOOLEAN },
81 { "DirtyCleanInterval", &DirtyCleanInterval, CUPSD_VARTYPE_TIME },
82 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
83 { "DNSSDHostName", &DNSSDHostName, CUPSD_VARTYPE_STRING },
84 #endif /* HAVE_DNSSD || HAVE_AVAHI */
85 { "ErrorPolicy", &ErrorPolicy, CUPSD_VARTYPE_STRING },
86 { "FilterLimit", &FilterLimit, CUPSD_VARTYPE_INTEGER },
87 { "FilterNice", &FilterNice, CUPSD_VARTYPE_INTEGER },
88 #ifdef HAVE_GSSAPI
89 { "GSSServiceName", &GSSServiceName, CUPSD_VARTYPE_STRING },
90 #endif /* HAVE_GSSAPI */
91 #ifdef HAVE_ONDEMAND
92 { "IdleExitTimeout", &IdleExitTimeout, CUPSD_VARTYPE_TIME },
93 #endif /* HAVE_ONDEMAND */
94 { "JobKillDelay", &JobKillDelay, CUPSD_VARTYPE_TIME },
95 { "JobRetryLimit", &JobRetryLimit, CUPSD_VARTYPE_INTEGER },
96 { "JobRetryInterval", &JobRetryInterval, CUPSD_VARTYPE_TIME },
97 { "KeepAliveTimeout", &KeepAliveTimeout, CUPSD_VARTYPE_TIME },
98 { "KeepAlive", &KeepAlive, CUPSD_VARTYPE_BOOLEAN },
99 #ifdef HAVE_LAUNCHD
100 { "LaunchdTimeout", &IdleExitTimeout, CUPSD_VARTYPE_TIME },
101 #endif /* HAVE_LAUNCHD */
102 { "LimitRequestBody", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
103 { "ListenBackLog", &ListenBackLog, CUPSD_VARTYPE_INTEGER },
104 { "LogDebugHistory", &LogDebugHistory, CUPSD_VARTYPE_INTEGER },
105 { "MaxActiveJobs", &MaxActiveJobs, CUPSD_VARTYPE_INTEGER },
106 { "MaxClients", &MaxClients, CUPSD_VARTYPE_INTEGER },
107 { "MaxClientsPerHost", &MaxClientsPerHost, CUPSD_VARTYPE_INTEGER },
108 { "MaxCopies", &MaxCopies, CUPSD_VARTYPE_INTEGER },
109 { "MaxEvents", &MaxEvents, CUPSD_VARTYPE_INTEGER },
110 { "MaxHoldTime", &MaxHoldTime, CUPSD_VARTYPE_TIME },
111 { "MaxJobs", &MaxJobs, CUPSD_VARTYPE_INTEGER },
112 { "MaxJobsPerPrinter", &MaxJobsPerPrinter, CUPSD_VARTYPE_INTEGER },
113 { "MaxJobsPerUser", &MaxJobsPerUser, CUPSD_VARTYPE_INTEGER },
114 { "MaxJobTime", &MaxJobTime, CUPSD_VARTYPE_TIME },
115 { "MaxLeaseDuration", &MaxLeaseDuration, CUPSD_VARTYPE_TIME },
116 { "MaxLogSize", &MaxLogSize, CUPSD_VARTYPE_INTEGER },
117 { "MaxRequestSize", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
118 { "MaxSubscriptions", &MaxSubscriptions, CUPSD_VARTYPE_INTEGER },
119 { "MaxSubscriptionsPerJob", &MaxSubscriptionsPerJob, CUPSD_VARTYPE_INTEGER },
120 { "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
121 { "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
122 { "MultipleOperationTimeout", &MultipleOperationTimeout, CUPSD_VARTYPE_TIME },
123 { "PageLogFormat", &PageLogFormat, CUPSD_VARTYPE_STRING },
124 { "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_TIME },
125 { "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_TIME },
126 { "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_TIME },
127 { "RIPCache", &RIPCache, CUPSD_VARTYPE_STRING },
128 { "RootCertDuration", &RootCertDuration, CUPSD_VARTYPE_TIME },
129 { "ServerAdmin", &ServerAdmin, CUPSD_VARTYPE_STRING },
130 { "ServerName", &ServerName, CUPSD_VARTYPE_STRING },
131 { "StrictConformance", &StrictConformance, CUPSD_VARTYPE_BOOLEAN },
132 { "Timeout", &Timeout, CUPSD_VARTYPE_TIME },
133 { "WebInterface", &WebInterface, CUPSD_VARTYPE_BOOLEAN }
134 };
135 static const cupsd_var_t cupsfiles_vars[] =
136 {
137 { "AccessLog", &AccessLog, CUPSD_VARTYPE_STRING },
138 { "CacheDir", &CacheDir, CUPSD_VARTYPE_STRING },
139 { "ConfigFilePerm", &ConfigFilePerm, CUPSD_VARTYPE_PERM },
140 #ifdef HAVE_SSL
141 { "CreateSelfSignedCerts", &CreateSelfSignedCerts, CUPSD_VARTYPE_BOOLEAN },
142 #endif /* HAVE_SSL */
143 { "DataDir", &DataDir, CUPSD_VARTYPE_STRING },
144 { "DocumentRoot", &DocumentRoot, CUPSD_VARTYPE_STRING },
145 { "ErrorLog", &ErrorLog, CUPSD_VARTYPE_STRING },
146 { "FileDevice", &FileDevice, CUPSD_VARTYPE_BOOLEAN },
147 { "FontPath", &FontPath, CUPSD_VARTYPE_STRING },
148 { "LogFilePerm", &LogFilePerm, CUPSD_VARTYPE_PERM },
149 { "LPDConfigFile", &LPDConfigFile, CUPSD_VARTYPE_STRING },
150 { "PageLog", &PageLog, CUPSD_VARTYPE_STRING },
151 { "Printcap", &Printcap, CUPSD_VARTYPE_STRING },
152 { "RemoteRoot", &RemoteRoot, CUPSD_VARTYPE_STRING },
153 { "RequestRoot", &RequestRoot, CUPSD_VARTYPE_STRING },
154 { "ServerBin", &ServerBin, CUPSD_VARTYPE_PATHNAME },
155 #ifdef HAVE_SSL
156 { "ServerKeychain", &ServerKeychain, CUPSD_VARTYPE_PATHNAME },
157 #endif /* HAVE_SSL */
158 { "ServerRoot", &ServerRoot, CUPSD_VARTYPE_PATHNAME },
159 { "SMBConfigFile", &SMBConfigFile, CUPSD_VARTYPE_STRING },
160 { "StateDir", &StateDir, CUPSD_VARTYPE_STRING },
161 { "SyncOnClose", &SyncOnClose, CUPSD_VARTYPE_BOOLEAN },
162 #ifdef HAVE_AUTHORIZATION_H
163 { "SystemGroupAuthKey", &SystemGroupAuthKey, CUPSD_VARTYPE_STRING },
164 #endif /* HAVE_AUTHORIZATION_H */
165 { "TempDir", &TempDir, CUPSD_VARTYPE_PATHNAME }
166 };
167
168 static int default_auth_type = CUPSD_AUTH_AUTO;
169 /* Default AuthType, if not specified */
170
171 static const unsigned ones[4] =
172 {
173 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
174 };
175 static const unsigned zeros[4] =
176 {
177 0x00000000, 0x00000000, 0x00000000, 0x00000000
178 };
179
180
181 /*
182 * Local functions...
183 */
184
185 static http_addrlist_t *get_address(const char *value, int defport);
186 static int get_addr_and_mask(const char *value, unsigned *ip,
187 unsigned *mask);
188 static void mime_error_cb(void *ctx, const char *message);
189 static int parse_aaa(cupsd_location_t *loc, char *line,
190 char *value, int linenum);
191 static int parse_fatal_errors(const char *s);
192 static int parse_groups(const char *s, int linenum);
193 static int parse_protocols(const char *s);
194 static int parse_variable(const char *filename, int linenum,
195 const char *line, const char *value,
196 size_t num_vars,
197 const cupsd_var_t *vars);
198 static int read_cupsd_conf(cups_file_t *fp);
199 static int read_cups_files_conf(cups_file_t *fp);
200 static int read_location(cups_file_t *fp, char *name, int linenum);
201 static int read_policy(cups_file_t *fp, char *name, int linenum);
202 static void set_policy_defaults(cupsd_policy_t *pol);
203
204
205 /*
206 * 'cupsdAddAlias()' - Add a host alias.
207 */
208
209 void
210 cupsdAddAlias(cups_array_t *aliases, /* I - Array of aliases */
211 const char *name) /* I - Name to add */
212 {
213 cupsd_alias_t *a; /* New alias */
214 size_t namelen; /* Length of name */
215
216
217 namelen = strlen(name);
218
219 if ((a = (cupsd_alias_t *)malloc(sizeof(cupsd_alias_t) + namelen)) == NULL)
220 return;
221
222 a->namelen = namelen;
223 memcpy(a->name, name, namelen + 1); /* OK since a->name is allocated */
224
225 cupsArrayAdd(aliases, a);
226 }
227
228
229 /*
230 * 'cupsdCheckPermissions()' - Fix the mode and ownership of a file or directory.
231 */
232
233 int /* O - 0 on success, -1 on error, 1 on warning */
234 cupsdCheckPermissions(
235 const char *filename, /* I - File/directory name */
236 const char *suffix, /* I - Additional file/directory name */
237 mode_t mode, /* I - Permissions */
238 uid_t user, /* I - Owner */
239 gid_t group, /* I - Group */
240 int is_dir, /* I - 1 = directory, 0 = file */
241 int create_dir) /* I - 1 = create directory, -1 = create w/o logging, 0 = not */
242 {
243 int dir_created = 0; /* Did we create a directory? */
244 char pathname[1024]; /* File name with prefix */
245 struct stat fileinfo; /* Stat buffer */
246 int is_symlink; /* Is "filename" a symlink? */
247
248
249 /*
250 * Prepend the given root to the filename before testing it...
251 */
252
253 if (suffix)
254 {
255 snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
256 filename = pathname;
257 }
258
259 /*
260 * See if we can stat the file/directory...
261 */
262
263 if (lstat(filename, &fileinfo))
264 {
265 if (errno == ENOENT && create_dir)
266 {
267 if (create_dir > 0)
268 cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating missing directory \"%s\"",
269 filename);
270
271 if (mkdir(filename, mode))
272 {
273 if (create_dir > 0)
274 cupsdLogMessage(CUPSD_LOG_ERROR,
275 "Unable to create directory \"%s\" - %s", filename,
276 strerror(errno));
277 else
278 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
279 sd_journal_print(LOG_ERR, "Unable to create directory \"%s\" - %s", filename, strerror(errno));
280 #else
281 syslog(LOG_ERR, "Unable to create directory \"%s\" - %s", filename, strerror(errno));
282 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
283
284 return (-1);
285 }
286
287 dir_created = 1;
288 fileinfo.st_mode = mode | S_IFDIR;
289 }
290 else
291 return (create_dir ? -1 : 1);
292 }
293
294 if ((is_symlink = S_ISLNK(fileinfo.st_mode)) != 0)
295 {
296 if (stat(filename, &fileinfo))
297 {
298 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is a bad symlink - %s",
299 filename, strerror(errno));
300 return (-1);
301 }
302 }
303
304 /*
305 * Make sure it's a regular file or a directory as needed...
306 */
307
308 if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
309 {
310 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file.", filename);
311 return (-1);
312 }
313
314 if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
315 {
316 if (create_dir >= 0)
317 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory.", filename);
318 else
319 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
320 sd_journal_print(LOG_ERR, "\"%s\" is not a directory.", filename);
321 #else
322 syslog(LOG_ERR, "\"%s\" is not a directory.", filename);
323 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
324
325 return (-1);
326 }
327
328 /*
329 * If the filename is a symlink, do not change permissions (STR #2937)...
330 */
331
332 if (is_symlink)
333 return (0);
334
335 /*
336 * Fix owner, group, and mode as needed...
337 */
338
339 if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
340 {
341 if (create_dir >= 0)
342 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing ownership of \"%s\"",
343 filename);
344
345 if (chown(filename, user, group) && !getuid())
346 {
347 if (create_dir >= 0)
348 cupsdLogMessage(CUPSD_LOG_ERROR,
349 "Unable to change ownership of \"%s\" - %s", filename,
350 strerror(errno));
351 else
352 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
353 sd_journal_print(LOG_ERR, "Unable to change ownership of \"%s\" - %s", filename, strerror(errno));
354 #else
355 syslog(LOG_ERR, "Unable to change ownership of \"%s\" - %s", filename, strerror(errno));
356 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
357
358 return (1);
359 }
360 }
361
362 if (dir_created || (fileinfo.st_mode & 07777) != mode)
363 {
364 if (create_dir >= 0)
365 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing access permissions of \"%s\"",
366 filename);
367
368 if (chmod(filename, mode))
369 {
370 if (create_dir >= 0)
371 cupsdLogMessage(CUPSD_LOG_ERROR,
372 "Unable to change permissions of \"%s\" - %s", filename,
373 strerror(errno));
374 else
375 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
376 sd_journal_print(LOG_ERR, "Unable to change permissions of \"%s\" - %s", filename, strerror(errno));
377 #else
378 syslog(LOG_ERR, "Unable to change permissions of \"%s\" - %s", filename, strerror(errno));
379 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
380
381 return (1);
382 }
383 }
384
385 /*
386 * Everything is OK...
387 */
388
389 return (0);
390 }
391
392
393 /*
394 * 'cupsdDefaultAuthType()' - Get the default AuthType.
395 *
396 * When the default_auth_type is "auto", this function tries to get the GSS
397 * credentials for the server. If that succeeds we use Kerberos authentication,
398 * otherwise we do a fallback to Basic authentication against the local user
399 * accounts.
400 */
401
402 int /* O - Default AuthType value */
403 cupsdDefaultAuthType(void)
404 {
405 #ifdef HAVE_GSSAPI
406 OM_uint32 major_status, /* Major status code */
407 minor_status; /* Minor status code */
408 gss_name_t server_name; /* Server name */
409 gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
410 /* Service name token */
411 char buf[1024]; /* Service name buffer */
412 #endif /* HAVE_GSSAPI */
413
414
415 /*
416 * If we have already determined the correct default AuthType, use it...
417 */
418
419 if (default_auth_type != CUPSD_AUTH_AUTO)
420 return (default_auth_type);
421
422 #ifdef HAVE_GSSAPI
423 # ifdef __APPLE__
424 /*
425 * If the weak-linked GSSAPI/Kerberos library is not present, don't try
426 * to use it...
427 */
428
429 if (&gss_init_sec_context == NULL)
430 return (default_auth_type = CUPSD_AUTH_BASIC);
431 # endif /* __APPLE__ */
432
433 /*
434 * Try to obtain the server's GSS credentials (GSSServiceName@servername). If
435 * that fails we must use Basic...
436 */
437
438 snprintf(buf, sizeof(buf), "%s@%s", GSSServiceName, ServerName);
439
440 token.value = buf;
441 token.length = strlen(buf);
442 server_name = GSS_C_NO_NAME;
443 major_status = gss_import_name(&minor_status, &token,
444 GSS_C_NT_HOSTBASED_SERVICE,
445 &server_name);
446
447 memset(&token, 0, sizeof(token));
448
449 if (GSS_ERROR(major_status))
450 {
451 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
452 "cupsdDefaultAuthType: gss_import_name(%s) failed", buf);
453 return (default_auth_type = CUPSD_AUTH_BASIC);
454 }
455
456 major_status = gss_display_name(&minor_status, server_name, &token, NULL);
457
458 if (GSS_ERROR(major_status))
459 {
460 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
461 "cupsdDefaultAuthType: gss_display_name(%s) failed",
462 buf);
463 return (default_auth_type = CUPSD_AUTH_BASIC);
464 }
465
466 cupsdLogMessage(CUPSD_LOG_DEBUG,
467 "cupsdDefaultAuthType: Attempting to acquire Kerberos "
468 "credentials for %s...", (char *)token.value);
469
470 ServerCreds = GSS_C_NO_CREDENTIAL;
471 major_status = gss_acquire_cred(&minor_status, server_name, GSS_C_INDEFINITE,
472 GSS_C_NO_OID_SET, GSS_C_ACCEPT,
473 &ServerCreds, NULL, NULL);
474 if (GSS_ERROR(major_status))
475 {
476 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
477 "cupsdDefaultAuthType: gss_acquire_cred(%s) failed",
478 (char *)token.value);
479 gss_release_name(&minor_status, &server_name);
480 gss_release_buffer(&minor_status, &token);
481 return (default_auth_type = CUPSD_AUTH_BASIC);
482 }
483
484 cupsdLogMessage(CUPSD_LOG_DEBUG,
485 "cupsdDefaultAuthType: Kerberos credentials acquired "
486 "successfully for %s.", (char *)token.value);
487
488 gss_release_name(&minor_status, &server_name);
489 gss_release_buffer(&minor_status, &token);
490
491 HaveServerCreds = 1;
492
493 return (default_auth_type = CUPSD_AUTH_NEGOTIATE);
494
495 #else
496 /*
497 * No Kerberos support compiled in so just use Basic all the time...
498 */
499
500 return (default_auth_type = CUPSD_AUTH_BASIC);
501 #endif /* HAVE_GSSAPI */
502 }
503
504
505 /*
506 * 'cupsdFreeAliases()' - Free all of the alias entries.
507 */
508
509 void
510 cupsdFreeAliases(cups_array_t *aliases) /* I - Array of aliases */
511 {
512 cupsd_alias_t *a; /* Current alias */
513
514
515 for (a = (cupsd_alias_t *)cupsArrayFirst(aliases);
516 a;
517 a = (cupsd_alias_t *)cupsArrayNext(aliases))
518 free(a);
519
520 cupsArrayDelete(aliases);
521 }
522
523
524 /*
525 * 'cupsdReadConfiguration()' - Read the cupsd.conf file.
526 */
527
528 int /* O - 1 on success, 0 otherwise */
529 cupsdReadConfiguration(void)
530 {
531 int i; /* Looping var */
532 cups_file_t *fp; /* Configuration file */
533 int status; /* Return status */
534 char temp[1024], /* Temporary buffer */
535 mimedir[1024], /* MIME directory */
536 *slash; /* Directory separator */
537 cups_lang_t *language; /* Language */
538 struct passwd *user; /* Default user */
539 struct group *group; /* Default group */
540 char *old_serverroot, /* Old ServerRoot */
541 *old_requestroot; /* Old RequestRoot */
542 int old_remote_port; /* Old RemotePort */
543 const char *tmpdir; /* TMPDIR environment variable */
544 struct stat tmpinfo; /* Temporary directory info */
545 cupsd_policy_t *p; /* Policy */
546
547
548 /*
549 * Save the old root paths...
550 */
551
552 old_serverroot = NULL;
553 cupsdSetString(&old_serverroot, ServerRoot);
554 old_requestroot = NULL;
555 cupsdSetString(&old_requestroot, RequestRoot);
556
557 /*
558 * Reset the server configuration data...
559 */
560
561 cupsdDeleteAllLocations();
562
563 cupsdDeleteAllListeners();
564
565 old_remote_port = RemotePort;
566 RemotePort = 0;
567
568 /*
569 * String options...
570 */
571
572 cupsdFreeAliases(ServerAlias);
573 ServerAlias = NULL;
574
575 cupsdClearString(&ServerName);
576 cupsdClearString(&ServerAdmin);
577 cupsdSetString(&ServerBin, CUPS_SERVERBIN);
578 cupsdSetString(&RequestRoot, CUPS_REQUESTS);
579 cupsdSetString(&CacheDir, CUPS_CACHEDIR);
580 cupsdSetString(&DataDir, CUPS_DATADIR);
581 cupsdSetString(&DocumentRoot, CUPS_DOCROOT);
582 cupsdSetString(&AccessLog, CUPS_LOGDIR "/access_log");
583 cupsdClearString(&ErrorLog);
584 cupsdSetString(&PageLog, CUPS_LOGDIR "/page_log");
585 cupsdSetString(&PageLogFormat,
586 "%p %u %j %T %P %C %{job-billing} "
587 "%{job-originating-host-name} %{job-name} %{media} %{sides}");
588 cupsdSetString(&Printcap, CUPS_DEFAULT_PRINTCAP);
589 cupsdSetString(&FontPath, CUPS_FONTPATH);
590 cupsdSetString(&RemoteRoot, "remroot");
591 cupsdSetStringf(&ServerHeader, "CUPS/%d.%d IPP/2.1", CUPS_VERSION_MAJOR,
592 CUPS_VERSION_MINOR);
593 cupsdSetString(&StateDir, CUPS_STATEDIR);
594
595 if (!strcmp(CUPS_DEFAULT_PRINTCAP, "/etc/printers.conf"))
596 PrintcapFormat = PRINTCAP_SOLARIS;
597 else if (!strcmp(CUPS_DEFAULT_PRINTCAP,
598 "/Library/Preferences/org.cups.printers.plist"))
599 PrintcapFormat = PRINTCAP_PLIST;
600 else
601 PrintcapFormat = PRINTCAP_BSD;
602
603 strlcpy(temp, ConfigurationFile, sizeof(temp));
604 if ((slash = strrchr(temp, '/')) != NULL)
605 *slash = '\0';
606
607 cupsdSetString(&ServerRoot, temp);
608
609 cupsdClearString(&Classification);
610 ClassifyOverride = 0;
611
612 #ifdef HAVE_SSL
613 # ifdef HAVE_GNUTLS
614 cupsdSetString(&ServerKeychain, "ssl");
615 # else
616 cupsdSetString(&ServerKeychain, "/Library/Keychains/System.keychain");
617 # endif /* HAVE_GNUTLS */
618
619 _httpTLSSetOptions(_HTTP_TLS_NONE, _HTTP_TLS_1_0, _HTTP_TLS_MAX);
620 #endif /* HAVE_SSL */
621
622 language = cupsLangDefault();
623
624 if (!strcmp(language->language, "C") || !strcmp(language->language, "POSIX"))
625 cupsdSetString(&DefaultLanguage, "en");
626 else
627 cupsdSetString(&DefaultLanguage, language->language);
628
629 cupsdClearString(&DefaultPaperSize);
630
631 cupsdSetString(&RIPCache, "128m");
632
633 cupsdSetString(&TempDir, NULL);
634
635 #ifdef HAVE_GSSAPI
636 cupsdSetString(&GSSServiceName, CUPS_DEFAULT_GSSSERVICENAME);
637
638 if (HaveServerCreds)
639 {
640 OM_uint32 minor_status; /* Minor status code */
641
642 gss_release_cred(&minor_status, &ServerCreds);
643
644 HaveServerCreds = 0;
645 }
646
647 ServerCreds = GSS_C_NO_CREDENTIAL;
648 #endif /* HAVE_GSSAPI */
649
650 /*
651 * Find the default user...
652 */
653
654 if ((user = getpwnam(CUPS_DEFAULT_USER)) != NULL)
655 User = user->pw_uid;
656 else
657 {
658 /*
659 * Use the (historical) NFS nobody user ID (-2 as a 16-bit twos-
660 * complement number...)
661 */
662
663 User = 65534;
664 }
665
666 endpwent();
667
668 /*
669 * Find the default group...
670 */
671
672 group = getgrnam(CUPS_DEFAULT_GROUP);
673 endgrent();
674
675 if (group)
676 Group = group->gr_gid;
677 else
678 {
679 /*
680 * Fallback to group "nobody"...
681 */
682
683 group = getgrnam("nobody");
684 endgrent();
685
686 if (group)
687 Group = group->gr_gid;
688 else
689 {
690 /*
691 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
692 * complement number...)
693 */
694
695 Group = 65534;
696 }
697 }
698
699 /*
700 * Numeric options...
701 */
702
703 AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
704 ConfigFilePerm = CUPS_DEFAULT_CONFIG_FILE_PERM;
705 FatalErrors = parse_fatal_errors(CUPS_DEFAULT_FATAL_ERRORS);
706 default_auth_type = CUPSD_AUTH_BASIC;
707 #ifdef HAVE_SSL
708 CreateSelfSignedCerts = TRUE;
709 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
710 #endif /* HAVE_SSL */
711 DirtyCleanInterval = DEFAULT_KEEPALIVE;
712 JobKillDelay = DEFAULT_TIMEOUT;
713 JobRetryLimit = 5;
714 JobRetryInterval = 300;
715 FileDevice = FALSE;
716 FilterLevel = 0;
717 FilterLimit = 0;
718 FilterNice = 0;
719 HostNameLookups = FALSE;
720 KeepAlive = TRUE;
721 KeepAliveTimeout = DEFAULT_KEEPALIVE;
722 ListenBackLog = SOMAXCONN;
723 LogDebugHistory = 200;
724 LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
725 LogLevel = CUPSD_LOG_WARN;
726 LogTimeFormat = CUPSD_TIME_STANDARD;
727 MaxClients = 100;
728 MaxClientsPerHost = 0;
729 MaxLogSize = 1024 * 1024;
730 MaxRequestSize = 0;
731 MultipleOperationTimeout = DEFAULT_TIMEOUT;
732 NumSystemGroups = 0;
733 ReloadTimeout = DEFAULT_KEEPALIVE;
734 RootCertDuration = 300;
735 Sandboxing = CUPSD_SANDBOXING_STRICT;
736 StrictConformance = FALSE;
737 SyncOnClose = FALSE;
738 Timeout = DEFAULT_TIMEOUT;
739 WebInterface = CUPS_DEFAULT_WEBIF;
740
741 BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
742 BrowseWebIF = FALSE;
743 Browsing = CUPS_DEFAULT_BROWSING;
744 DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
745
746 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
747 cupsdSetString(&DNSSDSubTypes, "_cups,_print");
748 cupsdClearString(&DNSSDHostName);
749 #endif /* HAVE_DNSSD || HAVE_AVAHI */
750
751 cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);
752 cupsdSetString(&SMBConfigFile, CUPS_DEFAULT_SMB_CONFIG_FILE);
753
754 cupsdSetString(&ErrorPolicy, "stop-printer");
755
756 JobHistory = DEFAULT_HISTORY;
757 JobFiles = DEFAULT_FILES;
758 JobAutoPurge = 0;
759 MaxHoldTime = 0;
760 MaxJobs = 500;
761 MaxActiveJobs = 0;
762 MaxJobsPerUser = 0;
763 MaxJobsPerPrinter = 0;
764 MaxJobTime = 3 * 60 * 60; /* 3 hours */
765 MaxCopies = CUPS_DEFAULT_MAX_COPIES;
766
767 cupsdDeleteAllPolicies();
768 cupsdClearString(&DefaultPolicy);
769
770 #ifdef HAVE_AUTHORIZATION_H
771 cupsdSetString(&SystemGroupAuthKey, CUPS_DEFAULT_SYSTEM_AUTHKEY);
772 #endif /* HAVE_AUTHORIZATION_H */
773
774 MaxSubscriptions = 100;
775 MaxSubscriptionsPerJob = 0;
776 MaxSubscriptionsPerPrinter = 0;
777 MaxSubscriptionsPerUser = 0;
778 DefaultLeaseDuration = 86400;
779 MaxLeaseDuration = 0;
780
781 #ifdef HAVE_ONDEMAND
782 IdleExitTimeout = 60;
783 #endif /* HAVE_ONDEMAND */
784
785 /*
786 * Setup environment variables...
787 */
788
789 cupsdInitEnv();
790
791 /*
792 * Read the cups-files.conf file...
793 */
794
795 if ((fp = cupsFileOpen(CupsFilesFile, "r")) != NULL)
796 {
797 status = read_cups_files_conf(fp);
798
799 cupsFileClose(fp);
800
801 if (!status)
802 {
803 if (TestConfigFile)
804 printf("\"%s\" contains errors.\n", CupsFilesFile);
805 else
806 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
807 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
808 #else
809 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
810 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
811
812 return (0);
813 }
814 }
815 else if (errno == ENOENT)
816 cupsdLogMessage(CUPSD_LOG_INFO, "No %s, using defaults.", CupsFilesFile);
817 else
818 {
819 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
820 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
821 #else
822 syslog(LOG_LPR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
823 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
824
825 return (0);
826 }
827
828 if (!ErrorLog)
829 cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
830
831 /*
832 * Read the cupsd.conf file...
833 */
834
835 if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
836 {
837 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
838 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
839 #else
840 syslog(LOG_LPR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
841 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
842
843 return (0);
844 }
845
846 status = read_cupsd_conf(fp);
847
848 cupsFileClose(fp);
849
850 if (!status)
851 {
852 if (TestConfigFile)
853 printf("\"%s\" contains errors.\n", ConfigurationFile);
854 else
855 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
856 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
857 #else
858 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
859 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
860
861 return (0);
862 }
863
864 RunUser = getuid();
865
866 cupsdLogMessage(CUPSD_LOG_INFO, "Remote access is %s.",
867 RemotePort ? "enabled" : "disabled");
868
869 if (!RemotePort)
870 BrowseLocalProtocols = 0; /* Disable sharing - no remote access */
871
872 /*
873 * See if the ServerName is an IP address...
874 */
875
876 if (ServerName)
877 {
878 if (!ServerAlias)
879 ServerAlias = cupsArrayNew(NULL, NULL);
880
881 cupsdAddAlias(ServerAlias, ServerName);
882 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", ServerName);
883 }
884 else
885 {
886 if (gethostname(temp, sizeof(temp)))
887 {
888 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get hostname: %s",
889 strerror(errno));
890 strlcpy(temp, "localhost", sizeof(temp));
891 }
892
893 cupsdSetString(&ServerName, temp);
894
895 if (!ServerAlias)
896 ServerAlias = cupsArrayNew(NULL, NULL);
897
898 cupsdAddAlias(ServerAlias, temp);
899 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
900
901 if (HostNameLookups || RemotePort)
902 {
903 struct hostent *host; /* Host entry to get FQDN */
904
905 if ((host = gethostbyname(temp)) != NULL)
906 {
907 if (_cups_strcasecmp(temp, host->h_name))
908 {
909 cupsdSetString(&ServerName, host->h_name);
910 cupsdAddAlias(ServerAlias, host->h_name);
911 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
912 host->h_name);
913 }
914
915 if (host->h_aliases)
916 {
917 for (i = 0; host->h_aliases[i]; i ++)
918 if (_cups_strcasecmp(temp, host->h_aliases[i]))
919 {
920 cupsdAddAlias(ServerAlias, host->h_aliases[i]);
921 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
922 host->h_aliases[i]);
923 }
924 }
925 }
926 }
927
928 /*
929 * Make sure we have the base hostname added as an alias, too!
930 */
931
932 if ((slash = strchr(temp, '.')) != NULL)
933 {
934 *slash = '\0';
935 cupsdAddAlias(ServerAlias, temp);
936 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
937 }
938 }
939
940 for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
941
942 ServerNameIsIP = !*slash;
943
944 /*
945 * Make sure ServerAdmin is initialized...
946 */
947
948 if (!ServerAdmin)
949 cupsdSetStringf(&ServerAdmin, "root@%s", ServerName);
950
951 /*
952 * Use the default system group if none was supplied in cupsd.conf...
953 */
954
955 if (NumSystemGroups == 0)
956 {
957 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS, 0))
958 {
959 /*
960 * Find the group associated with GID 0...
961 */
962
963 group = getgrgid(0);
964 endgrent();
965
966 if (group != NULL)
967 cupsdSetString(&SystemGroups[0], group->gr_name);
968 else
969 cupsdSetString(&SystemGroups[0], "unknown");
970
971 SystemGroupIDs[0] = 0;
972 NumSystemGroups = 1;
973 }
974 }
975
976 /*
977 * Make sure ConfigFilePerm and LogFilePerm have sane values...
978 */
979
980 ConfigFilePerm &= 0664;
981 LogFilePerm &= 0664;
982
983 /*
984 * Open the system log for cupsd if necessary...
985 */
986
987 if (!LogStderr)
988 {
989 if (!strcmp(AccessLog, "stderr"))
990 cupsdSetString(&AccessLog, "syslog");
991
992 if (!strcmp(ErrorLog, "stderr"))
993 cupsdSetString(&ErrorLog, "syslog");
994
995 if (!strcmp(PageLog, "stderr"))
996 cupsdSetString(&PageLog, "syslog");
997 }
998
999 #if defined(HAVE_VSYSLOG) && !defined(HAVE_ASL_H) && !defined(HAVE_SYSTEMD_SD_JOURNAL_H)
1000 if (!strcmp(AccessLog, "syslog") ||
1001 !strcmp(ErrorLog, "syslog") ||
1002 !strcmp(PageLog, "syslog"))
1003 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
1004 #endif /* HAVE_VSYSLOG && !HAVE_ASL_H && !HAVE_SYSTEMD_SD_JOURNAL_H */
1005
1006 /*
1007 * Log the configuration file that was used...
1008 */
1009
1010 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
1011 ConfigurationFile);
1012
1013 /*
1014 * Validate the Group and SystemGroup settings - they cannot be the same,
1015 * otherwise the CGI programs will be able to authenticate as root without
1016 * a password!
1017 */
1018
1019 if (!RunUser)
1020 {
1021 for (i = 0; i < NumSystemGroups; i ++)
1022 if (Group == SystemGroupIDs[i])
1023 break;
1024
1025 if (i < NumSystemGroups)
1026 {
1027 /*
1028 * Log the error and reset the group to a safe value...
1029 */
1030
1031 cupsdLogMessage(CUPSD_LOG_ERROR,
1032 "Group and SystemGroup cannot use the same groups.");
1033 if (FatalErrors & (CUPSD_FATAL_CONFIG | CUPSD_FATAL_PERMISSIONS))
1034 return (0);
1035
1036 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
1037
1038 group = getgrnam("nobody");
1039 endgrent();
1040
1041 if (group != NULL)
1042 Group = group->gr_gid;
1043 else
1044 {
1045 /*
1046 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
1047 * complement number...)
1048 */
1049
1050 Group = 65534;
1051 }
1052 }
1053 }
1054
1055 /*
1056 * Check that we have at least one listen/port line; if not, report this
1057 * as an error and exit!
1058 */
1059
1060 if (cupsArrayCount(Listeners) == 0)
1061 {
1062 /*
1063 * No listeners!
1064 */
1065
1066 cupsdLogMessage(CUPSD_LOG_EMERG,
1067 "No valid Listen or Port lines were found in the "
1068 "configuration file.");
1069
1070 /*
1071 * Commit suicide...
1072 */
1073
1074 cupsdEndProcess(getpid(), 0);
1075 }
1076
1077 /*
1078 * Set the default locale using the language and charset...
1079 */
1080
1081 cupsdSetStringf(&DefaultLocale, "%s.UTF-8", DefaultLanguage);
1082
1083 /*
1084 * Update all relative filenames to include the full path from ServerRoot...
1085 */
1086
1087 if (DocumentRoot[0] != '/')
1088 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
1089
1090 if (RequestRoot[0] != '/')
1091 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
1092
1093 if (ServerBin[0] != '/')
1094 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
1095
1096 if (StateDir[0] != '/')
1097 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
1098
1099 if (CacheDir[0] != '/')
1100 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
1101
1102 #ifdef HAVE_SSL
1103 if (!_cups_strcasecmp(ServerKeychain, "internal"))
1104 cupsdClearString(&ServerKeychain);
1105 else if (ServerKeychain[0] != '/')
1106 cupsdSetStringf(&ServerKeychain, "%s/%s", ServerRoot, ServerKeychain);
1107
1108 cupsdLogMessage(CUPSD_LOG_DEBUG, "Using keychain \"%s\" for server name \"%s\".", ServerKeychain ? ServerKeychain : "internal", ServerName);
1109 if (!CreateSelfSignedCerts)
1110 cupsdLogMessage(CUPSD_LOG_DEBUG, "Self-signed TLS certificate generation is disabled.");
1111 cupsSetServerCredentials(ServerKeychain, ServerName, CreateSelfSignedCerts);
1112 #endif /* HAVE_SSL */
1113
1114 /*
1115 * Make sure that directories and config files are owned and
1116 * writable by the user and group in the cupsd.conf file...
1117 */
1118
1119 snprintf(temp, sizeof(temp), "%s/rss", CacheDir);
1120
1121 if ((cupsdCheckPermissions(RequestRoot, NULL, 0710, RunUser,
1122 Group, 1, 1) < 0 ||
1123 cupsdCheckPermissions(CacheDir, NULL, 0770, RunUser,
1124 Group, 1, 1) < 0 ||
1125 cupsdCheckPermissions(temp, NULL, 0775, RunUser,
1126 Group, 1, 1) < 0 ||
1127 cupsdCheckPermissions(StateDir, NULL, 0755, RunUser,
1128 Group, 1, 1) < 0 ||
1129 cupsdCheckPermissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
1130 SystemGroupIDs[0], 1, 1) < 0 ||
1131 cupsdCheckPermissions(ServerRoot, NULL, 0755, RunUser,
1132 Group, 1, 0) < 0 ||
1133 cupsdCheckPermissions(ServerRoot, "ppd", 0755, RunUser,
1134 Group, 1, 1) < 0 ||
1135 cupsdCheckPermissions(ServerRoot, "ssl", 0700, RunUser,
1136 Group, 1, 0) < 0 ||
1137 cupsdCheckPermissions(ConfigurationFile, NULL, ConfigFilePerm, RunUser,
1138 Group, 0, 0) < 0 ||
1139 cupsdCheckPermissions(CupsFilesFile, NULL, ConfigFilePerm, RunUser,
1140 Group, 0, 0) < 0 ||
1141 cupsdCheckPermissions(ServerRoot, "classes.conf", 0600, RunUser,
1142 Group, 0, 0) < 0 ||
1143 cupsdCheckPermissions(ServerRoot, "printers.conf", 0600, RunUser,
1144 Group, 0, 0) < 0 ||
1145 cupsdCheckPermissions(ServerRoot, "passwd.md5", 0600, User,
1146 Group, 0, 0) < 0) &&
1147 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1148 return (0);
1149
1150 /*
1151 * Update TempDir to the default if it hasn't been set already...
1152 */
1153
1154 #ifdef __APPLE__
1155 if (TempDir && !RunUser &&
1156 (!strncmp(TempDir, "/private/tmp", 12) || !strncmp(TempDir, "/tmp", 4)))
1157 {
1158 cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot use %s for TempDir.", TempDir);
1159 cupsdClearString(&TempDir);
1160 }
1161 #endif /* __APPLE__ */
1162
1163 if (!TempDir)
1164 {
1165 #ifdef __APPLE__
1166 if ((tmpdir = getenv("TMPDIR")) != NULL &&
1167 strncmp(tmpdir, "/private/tmp", 12) && strncmp(tmpdir, "/tmp", 4))
1168 #else
1169 if ((tmpdir = getenv("TMPDIR")) != NULL)
1170 #endif /* __APPLE__ */
1171 {
1172 /*
1173 * TMPDIR is defined, see if it is OK for us to use...
1174 */
1175
1176 if (stat(tmpdir, &tmpinfo))
1177 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
1178 tmpdir, strerror(errno));
1179 else if (!S_ISDIR(tmpinfo.st_mode))
1180 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory.",
1181 tmpdir);
1182 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
1183 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
1184 !(tmpinfo.st_mode & S_IWOTH))
1185 cupsdLogMessage(CUPSD_LOG_ERROR,
1186 "TMPDIR (%s) has the wrong permissions.", tmpdir);
1187 else
1188 cupsdSetString(&TempDir, tmpdir);
1189 }
1190 }
1191
1192 if (!TempDir)
1193 {
1194 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
1195 RequestRoot);
1196 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
1197 }
1198
1199 setenv("TMPDIR", TempDir, 1);
1200
1201 /*
1202 * Make sure the temporary directory has the right permissions...
1203 */
1204
1205 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
1206 access(TempDir, 0))
1207 {
1208 /*
1209 * Update ownership and permissions if the CUPS temp directory
1210 * is under the spool directory or does not exist...
1211 */
1212
1213 if (cupsdCheckPermissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0 &&
1214 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1215 return (0);
1216 }
1217
1218 /*
1219 * Update environment variables...
1220 */
1221
1222 cupsdUpdateEnv();
1223
1224 /*
1225 * Validate the default error policy...
1226 */
1227
1228 if (strcmp(ErrorPolicy, "retry-current-job") &&
1229 strcmp(ErrorPolicy, "abort-job") &&
1230 strcmp(ErrorPolicy, "retry-job") &&
1231 strcmp(ErrorPolicy, "stop-printer"))
1232 {
1233 cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid ErrorPolicy \"%s\", resetting to \"stop-printer\".", ErrorPolicy);
1234 cupsdSetString(&ErrorPolicy, "stop-printer");
1235 }
1236
1237 /*
1238 * Update default paper size setting as needed...
1239 */
1240
1241 if (!DefaultPaperSize)
1242 {
1243 #ifdef HAVE_LIBPAPER
1244 char *paper_result; /* Paper size name from libpaper */
1245
1246 if ((paper_result = systempapername()) != NULL)
1247 cupsdSetString(&DefaultPaperSize, paper_result);
1248 else
1249 #endif /* HAVE_LIBPAPER */
1250 if (!DefaultLanguage ||
1251 !_cups_strcasecmp(DefaultLanguage, "C") ||
1252 !_cups_strcasecmp(DefaultLanguage, "POSIX") ||
1253 !_cups_strcasecmp(DefaultLanguage, "en") ||
1254 !_cups_strncasecmp(DefaultLanguage, "en.", 3) ||
1255 !_cups_strncasecmp(DefaultLanguage, "en_US", 5) ||
1256 !_cups_strncasecmp(DefaultLanguage, "en_CA", 5) ||
1257 !_cups_strncasecmp(DefaultLanguage, "fr_CA", 5))
1258 {
1259 /*
1260 * These are the only locales that will default to "letter" size...
1261 */
1262
1263 cupsdSetString(&DefaultPaperSize, "Letter");
1264 }
1265 else
1266 cupsdSetString(&DefaultPaperSize, "A4");
1267 }
1268
1269 /*
1270 * Update classification setting as needed...
1271 */
1272
1273 if (Classification && !_cups_strcasecmp(Classification, "none"))
1274 cupsdClearString(&Classification);
1275
1276 if (Classification)
1277 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
1278
1279 /*
1280 * Check the MaxClients setting, and then allocate memory for it...
1281 */
1282
1283 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
1284 {
1285 if (MaxClients > 0)
1286 cupsdLogMessage(CUPSD_LOG_INFO,
1287 "MaxClients limited to 1/3 (%d) of the file descriptor "
1288 "limit (%d)...",
1289 MaxFDs / 3, MaxFDs);
1290
1291 MaxClients = MaxFDs / 3;
1292 }
1293
1294 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
1295 MaxClients);
1296
1297 /*
1298 * Check the MaxActiveJobs setting; limit to 1/3 the available
1299 * file descriptors, since we need a pipe for each job...
1300 */
1301
1302 if (MaxActiveJobs > (MaxFDs / 3))
1303 MaxActiveJobs = MaxFDs / 3;
1304
1305 /*
1306 * Update the MaxClientsPerHost value, as needed...
1307 */
1308
1309 if (MaxClientsPerHost <= 0)
1310 MaxClientsPerHost = MaxClients;
1311
1312 if (MaxClientsPerHost > MaxClients)
1313 MaxClientsPerHost = MaxClients;
1314
1315 cupsdLogMessage(CUPSD_LOG_INFO,
1316 "Allowing up to %d client connections per host.",
1317 MaxClientsPerHost);
1318
1319 /*
1320 * Update the default policy, as needed...
1321 */
1322
1323 if (DefaultPolicy)
1324 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
1325 else
1326 DefaultPolicyPtr = NULL;
1327
1328 if (!DefaultPolicyPtr)
1329 {
1330 cupsd_location_t *po; /* New policy operation */
1331
1332
1333 if (DefaultPolicy)
1334 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found.",
1335 DefaultPolicy);
1336
1337 cupsdSetString(&DefaultPolicy, "default");
1338
1339 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
1340 cupsdLogMessage(CUPSD_LOG_INFO,
1341 "Using policy \"default\" as the default.");
1342 else
1343 {
1344 cupsdLogMessage(CUPSD_LOG_INFO,
1345 "Creating CUPS default administrative policy:");
1346
1347 DefaultPolicyPtr = p = cupsdAddPolicy("default");
1348
1349 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
1350
1351 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateAccess default");
1352 cupsdAddString(&(p->job_access), "@OWNER");
1353 cupsdAddString(&(p->job_access), "@SYSTEM");
1354
1355 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateValues default");
1356 cupsdAddString(&(p->job_attrs), "job-name");
1357 cupsdAddString(&(p->job_attrs), "job-originating-host-name");
1358 cupsdAddString(&(p->job_attrs), "job-originating-user-name");
1359 cupsdAddString(&(p->job_attrs), "phone");
1360
1361 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateAccess default");
1362 cupsdAddString(&(p->sub_access), "@OWNER");
1363 cupsdAddString(&(p->sub_access), "@SYSTEM");
1364
1365 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateValues default");
1366 cupsdAddString(&(p->job_attrs), "notify-events");
1367 cupsdAddString(&(p->job_attrs), "notify-pull-method");
1368 cupsdAddString(&(p->job_attrs), "notify-recipient-uri");
1369 cupsdAddString(&(p->job_attrs), "notify-subscriber-user-name");
1370 cupsdAddString(&(p->job_attrs), "notify-user-data");
1371
1372 cupsdLogMessage(CUPSD_LOG_INFO,
1373 "<Limit Create-Job Print-Job Print-URI Validate-Job>");
1374 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1375
1376 po = cupsdAddPolicyOp(p, NULL, IPP_CREATE_JOB);
1377 po->order_type = CUPSD_AUTH_ALLOW;
1378
1379 cupsdAddPolicyOp(p, po, IPP_PRINT_JOB);
1380 cupsdAddPolicyOp(p, po, IPP_PRINT_URI);
1381 cupsdAddPolicyOp(p, po, IPP_VALIDATE_JOB);
1382
1383 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1384
1385 cupsdLogMessage(CUPSD_LOG_INFO,
1386 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
1387 "Release-Job Restart-Job Purge-Jobs "
1388 "Set-Job-Attributes Create-Job-Subscription "
1389 "Renew-Subscription Cancel-Subscription "
1390 "Get-Notifications Reprocess-Job Cancel-Current-Job "
1391 "Suspend-Current-Job Resume-Job "
1392 "Cancel-My-Jobs Close-Job CUPS-Move-Job "
1393 "CUPS-Authenticate-Job CUPS-Get-Document>");
1394 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1395
1396 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
1397 po->order_type = CUPSD_AUTH_ALLOW;
1398 po->level = CUPSD_AUTH_USER;
1399
1400 cupsdAddName(po, "@OWNER");
1401 cupsdAddName(po, "@SYSTEM");
1402 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
1403
1404 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
1405 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
1406 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
1407 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
1408 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
1409 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
1410 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
1411 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
1412 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
1413 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
1414 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
1415 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
1416 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
1417 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
1418 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
1419 cupsdAddPolicyOp(p, po, IPP_CANCEL_MY_JOBS);
1420 cupsdAddPolicyOp(p, po, IPP_CLOSE_JOB);
1421 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
1422 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
1423 cupsdAddPolicyOp(p, po, CUPS_GET_DOCUMENT);
1424
1425 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1426
1427 cupsdLogMessage(CUPSD_LOG_INFO,
1428 "<Limit Pause-Printer Resume-Printer "
1429 "Set-Printer-Attributes Enable-Printer "
1430 "Disable-Printer Pause-Printer-After-Current-Job "
1431 "Hold-New-Jobs Release-Held-New-Jobs "
1432 "Deactivate-Printer Activate-Printer Restart-Printer "
1433 "Shutdown-Printer Startup-Printer Promote-Job "
1434 "Schedule-Job-After Cancel-Jobs CUPS-Add-Printer "
1435 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
1436 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
1437 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1438 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Default");
1439
1440 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
1441 po->order_type = CUPSD_AUTH_ALLOW;
1442 po->type = CUPSD_AUTH_DEFAULT;
1443 po->level = CUPSD_AUTH_USER;
1444
1445 cupsdAddName(po, "@SYSTEM");
1446 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
1447
1448 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
1449 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
1450 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
1451 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
1452 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
1453 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
1454 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
1455 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
1456 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
1457 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
1458 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
1459 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
1460 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
1461 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
1462 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOBS);
1463 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
1464 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
1465 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
1466 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
1467 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
1468 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
1469 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
1470
1471 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1472
1473 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
1474 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1475
1476 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
1477 po->order_type = CUPSD_AUTH_ALLOW;
1478
1479 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1480 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
1481 }
1482 }
1483
1484 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
1485 cupsArrayCount(Policies));
1486 for (i = 0, p = (cupsd_policy_t *)cupsArrayFirst(Policies);
1487 p;
1488 i ++, p = (cupsd_policy_t *)cupsArrayNext(Policies))
1489 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1490 "cupsdReadConfiguration: Policies[%d]=\"%s\"", i, p->name);
1491
1492 /*
1493 * If we are doing a full reload or the server root has changed, flush
1494 * the jobs, printers, etc. and start from scratch...
1495 */
1496
1497 if (NeedReload == RELOAD_ALL ||
1498 old_remote_port != RemotePort ||
1499 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
1500 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
1501 {
1502 mime_type_t *type; /* Current type */
1503 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
1504 /* MIME type name */
1505
1506
1507 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
1508
1509 /*
1510 * Free all memory...
1511 */
1512
1513 cupsdDeleteAllSubscriptions();
1514 cupsdFreeAllJobs();
1515 cupsdDeleteAllPrinters();
1516
1517 DefaultPrinter = NULL;
1518
1519 if (MimeDatabase != NULL)
1520 mimeDelete(MimeDatabase);
1521
1522 if (NumMimeTypes)
1523 {
1524 for (i = 0; i < NumMimeTypes; i ++)
1525 _cupsStrFree(MimeTypes[i]);
1526
1527 free(MimeTypes);
1528 }
1529
1530 /*
1531 * Read the MIME type and conversion database...
1532 */
1533
1534 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
1535 snprintf(mimedir, sizeof(mimedir), "%s/mime", DataDir);
1536
1537 MimeDatabase = mimeNew();
1538 mimeSetErrorCallback(MimeDatabase, mime_error_cb, NULL);
1539
1540 MimeDatabase = mimeLoadTypes(MimeDatabase, mimedir);
1541 MimeDatabase = mimeLoadTypes(MimeDatabase, ServerRoot);
1542 MimeDatabase = mimeLoadFilters(MimeDatabase, mimedir, temp);
1543 MimeDatabase = mimeLoadFilters(MimeDatabase, ServerRoot, temp);
1544
1545 if (!MimeDatabase)
1546 {
1547 cupsdLogMessage(CUPSD_LOG_EMERG,
1548 "Unable to load MIME database from \"%s\" or \"%s\".",
1549 mimedir, ServerRoot);
1550 if (FatalErrors & CUPSD_FATAL_CONFIG)
1551 return (0);
1552 }
1553
1554 cupsdLogMessage(CUPSD_LOG_INFO,
1555 "Loaded MIME database from \"%s\" and \"%s\": %d types, "
1556 "%d filters...", mimedir, ServerRoot,
1557 mimeNumTypes(MimeDatabase), mimeNumFilters(MimeDatabase));
1558
1559 /*
1560 * Create a list of MIME types for the document-format-supported
1561 * attribute...
1562 */
1563
1564 NumMimeTypes = mimeNumTypes(MimeDatabase);
1565 if (!mimeType(MimeDatabase, "application", "octet-stream"))
1566 NumMimeTypes ++;
1567
1568 if ((MimeTypes = calloc((size_t)NumMimeTypes, sizeof(const char *))) == NULL)
1569 {
1570 cupsdLogMessage(CUPSD_LOG_ERROR,
1571 "Unable to allocate memory for %d MIME types.",
1572 NumMimeTypes);
1573 NumMimeTypes = 0;
1574 }
1575 else
1576 {
1577 for (i = 0, type = mimeFirstType(MimeDatabase);
1578 type;
1579 i ++, type = mimeNextType(MimeDatabase))
1580 {
1581 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
1582
1583 MimeTypes[i] = _cupsStrAlloc(mimetype);
1584 }
1585
1586 if (i < NumMimeTypes)
1587 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
1588 }
1589
1590 if (LogLevel == CUPSD_LOG_DEBUG2)
1591 {
1592 mime_filter_t *filter; /* Current filter */
1593
1594
1595 for (type = mimeFirstType(MimeDatabase);
1596 type;
1597 type = mimeNextType(MimeDatabase))
1598 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1599 type->super, type->type);
1600
1601 for (filter = mimeFirstFilter(MimeDatabase);
1602 filter;
1603 filter = mimeNextFilter(MimeDatabase))
1604 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1605 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1606 filter->src->super, filter->src->type,
1607 filter->dst->super, filter->dst->type,
1608 filter->cost, filter->filter);
1609 }
1610
1611 /*
1612 * Load banners...
1613 */
1614
1615 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1616 cupsdLoadBanners(temp);
1617
1618 /*
1619 * Load printers and classes...
1620 */
1621
1622 cupsdLoadAllPrinters();
1623 cupsdLoadAllClasses();
1624
1625 cupsdCreateCommonData();
1626
1627 /*
1628 * Update the printcap file as needed...
1629 */
1630
1631 if (Printcap && *Printcap && access(Printcap, 0))
1632 cupsdWritePrintcap();
1633
1634 /*
1635 * Load queued jobs...
1636 */
1637
1638 cupsdLoadAllJobs();
1639
1640 /*
1641 * Load subscriptions...
1642 */
1643
1644 cupsdLoadAllSubscriptions();
1645
1646 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1647 }
1648 else
1649 {
1650 /*
1651 * Not a full reload, so recreate the common printer attributes...
1652 */
1653
1654 cupsdCreateCommonData();
1655
1656 /*
1657 * Update all jobs as needed...
1658 */
1659
1660 cupsdUpdateJobs();
1661
1662 /*
1663 * Update all printers as needed...
1664 */
1665
1666 cupsdUpdatePrinters();
1667 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
1668
1669 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1670 }
1671
1672 /*
1673 * Reset the reload state...
1674 */
1675
1676 NeedReload = RELOAD_NONE;
1677
1678 cupsdClearString(&old_serverroot);
1679 cupsdClearString(&old_requestroot);
1680
1681 return (1);
1682 }
1683
1684
1685 /*
1686 * 'get_address()' - Get an address + port number from a line.
1687 */
1688
1689 static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
1690 get_address(const char *value, /* I - Value string */
1691 int defport) /* I - Default port */
1692 {
1693 char buffer[1024], /* Hostname + port number buffer */
1694 defpname[255], /* Default port name */
1695 *hostname, /* Hostname or IP */
1696 *portname; /* Port number or name */
1697 http_addrlist_t *addrlist; /* Address list */
1698
1699
1700 /*
1701 * Check for an empty value...
1702 */
1703
1704 if (!*value)
1705 {
1706 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address.");
1707 return (NULL);
1708 }
1709
1710 /*
1711 * Grab a hostname and port number; if there is no colon and the port name
1712 * is only digits, then we have a port number by itself...
1713 */
1714
1715 strlcpy(buffer, value, sizeof(buffer));
1716
1717 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1718 {
1719 *portname++ = '\0';
1720 hostname = buffer;
1721 }
1722 else
1723 {
1724 for (portname = buffer; isdigit(*portname & 255); portname ++);
1725
1726 if (*portname)
1727 {
1728 /*
1729 * Use the default port...
1730 */
1731
1732 sprintf(defpname, "%d", defport);
1733 portname = defpname;
1734 hostname = buffer;
1735 }
1736 else
1737 {
1738 /*
1739 * The buffer contains just a port number...
1740 */
1741
1742 portname = buffer;
1743 hostname = NULL;
1744 }
1745 }
1746
1747 if (hostname && !strcmp(hostname, "*"))
1748 hostname = NULL;
1749
1750 /*
1751 * Now lookup the address using httpAddrGetList()...
1752 */
1753
1754 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1755 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed.",
1756 hostname ? hostname : "(nil)");
1757
1758 return (addrlist);
1759 }
1760
1761
1762 /*
1763 * 'get_addr_and_mask()' - Get an IP address and netmask.
1764 */
1765
1766 static int /* O - 1 on success, 0 on failure */
1767 get_addr_and_mask(const char *value, /* I - String from config file */
1768 unsigned *ip, /* O - Address value */
1769 unsigned *mask) /* O - Mask value */
1770 {
1771 int i, j, /* Looping vars */
1772 family, /* Address family */
1773 ipcount; /* Count of fields in address */
1774 unsigned ipval; /* Value */
1775 const char *maskval, /* Pointer to start of mask value */
1776 *ptr, /* Pointer into value */
1777 *ptr2; /* ... */
1778
1779
1780 /*
1781 * Get the address...
1782 */
1783
1784 ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
1785 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
1786
1787 if ((maskval = strchr(value, '/')) != NULL)
1788 maskval ++;
1789 else
1790 maskval = value + strlen(value);
1791
1792 #ifdef AF_INET6
1793 /*
1794 * Check for an IPv6 address...
1795 */
1796
1797 if (*value == '[')
1798 {
1799 /*
1800 * Parse hexadecimal IPv6/IPv4 address...
1801 */
1802
1803 family = AF_INET6;
1804
1805 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1806 {
1807 if (*ptr == ']')
1808 break;
1809 else if (!strncmp(ptr, "::", 2))
1810 {
1811 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1812 ptr2;
1813 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1814
1815 i = 6 - j;
1816 ptr += 2;
1817 }
1818 else if (isdigit(*ptr & 255) && strchr(ptr + 1, '.') && i >= 6)
1819 {
1820 /*
1821 * Read IPv4 dotted quad...
1822 */
1823
1824 unsigned val[4] = { 0, 0, 0, 0 };
1825 /* IPv4 address values */
1826
1827 ipcount = sscanf(ptr, "%u.%u.%u.%u", val + 0, val + 1, val + 2,
1828 val + 3);
1829
1830 /*
1831 * Range check the IP numbers...
1832 */
1833
1834 for (i = 0; i < ipcount; i ++)
1835 if (val[i] > 255)
1836 return (0);
1837
1838 /*
1839 * Merge everything into a 32-bit IPv4 address in ip[3]...
1840 */
1841
1842 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1843 (unsigned)val[2]) << 8) | (unsigned)val[3];
1844
1845 if (ipcount < 4)
1846 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1847
1848 /*
1849 * If the leading words are all 0's then this is an IPv4 address...
1850 */
1851
1852 if (!val[0] && !val[1] && !val[2])
1853 family = AF_INET;
1854
1855 while (isdigit(*ptr & 255) || *ptr == '.')
1856 ptr ++;
1857 break;
1858 }
1859 else if (isxdigit(*ptr & 255))
1860 {
1861 ipval = strtoul(ptr, (char **)&ptr, 16);
1862
1863 if (*ptr == ':' && ptr[1] != ':')
1864 ptr ++;
1865
1866 if (ipval > 0xffff)
1867 return (0);
1868
1869 if (i & 1)
1870 ip[i / 2] |= ipval;
1871 else
1872 ip[i / 2] |= ipval << 16;
1873 }
1874 else
1875 return (0);
1876 }
1877
1878 if (*ptr != ']')
1879 return (0);
1880
1881 ptr ++;
1882
1883 if (*ptr && *ptr != '/')
1884 return (0);
1885 }
1886 else
1887 #endif /* AF_INET6 */
1888 {
1889 /*
1890 * Parse dotted-decimal IPv4 address...
1891 */
1892
1893 unsigned val[4] = { 0, 0, 0, 0 }; /* IPv4 address values */
1894
1895
1896 family = AF_INET;
1897 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1898
1899 /*
1900 * Range check the IP numbers...
1901 */
1902
1903 for (i = 0; i < ipcount; i ++)
1904 if (val[i] > 255)
1905 return (0);
1906
1907 /*
1908 * Merge everything into a 32-bit IPv4 address in ip[3]...
1909 */
1910
1911 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1912 (unsigned)val[2]) << 8) | (unsigned)val[3];
1913
1914 if (ipcount < 4)
1915 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1916 }
1917
1918 if (*maskval)
1919 {
1920 /*
1921 * Get the netmask value(s)...
1922 */
1923
1924 memset(mask, 0, sizeof(unsigned) * 4);
1925
1926 if (strchr(maskval, '.'))
1927 {
1928 /*
1929 * Get dotted-decimal mask...
1930 */
1931
1932 if (family != AF_INET)
1933 return (0);
1934
1935 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2,
1936 mask + 3) != 4)
1937 return (0);
1938
1939 mask[3] |= (((((unsigned)mask[0] << 8) | (unsigned)mask[1]) << 8) |
1940 (unsigned)mask[2]) << 8;
1941 mask[0] = mask[1] = mask[2] = 0;
1942 }
1943 else
1944 {
1945 /*
1946 * Get address/bits format...
1947 */
1948
1949 i = atoi(maskval);
1950
1951 #ifdef AF_INET6
1952 if (family == AF_INET6)
1953 {
1954 if (i > 128)
1955 return (0);
1956
1957 i = 128 - i;
1958
1959 if (i <= 96)
1960 mask[0] = 0xffffffff;
1961 else
1962 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1963
1964 if (i <= 64)
1965 mask[1] = 0xffffffff;
1966 else if (i >= 96)
1967 mask[1] = 0;
1968 else
1969 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1970
1971 if (i <= 32)
1972 mask[2] = 0xffffffff;
1973 else if (i >= 64)
1974 mask[2] = 0;
1975 else
1976 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1977
1978 if (i == 0)
1979 mask[3] = 0xffffffff;
1980 else if (i >= 32)
1981 mask[3] = 0;
1982 else
1983 mask[3] = (0xffffffff << i) & 0xffffffff;
1984 }
1985 else
1986 #endif /* AF_INET6 */
1987 {
1988 if (i > 32)
1989 return (0);
1990
1991 mask[0] = 0xffffffff;
1992 mask[1] = 0xffffffff;
1993 mask[2] = 0xffffffff;
1994
1995 if (i < 32)
1996 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
1997 else
1998 mask[3] = 0xffffffff;
1999 }
2000 }
2001 }
2002
2003 cupsdLogMessage(CUPSD_LOG_DEBUG2,
2004 "get_addr_and_mask(value=\"%s\", "
2005 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
2006 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
2007 mask[3]);
2008
2009 /*
2010 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
2011 */
2012
2013 if ((ip[0] & ~mask[0]) != 0 ||
2014 (ip[1] & ~mask[1]) != 0 ||
2015 (ip[2] & ~mask[2]) != 0 ||
2016 (ip[3] & ~mask[3]) != 0)
2017 return (0);
2018
2019 return (1);
2020 }
2021
2022
2023 /*
2024 * 'mime_error_cb()' - Log a MIME error.
2025 */
2026
2027 static void
2028 mime_error_cb(void *ctx, /* I - Context pointer (unused) */
2029 const char *message) /* I - Message */
2030 {
2031 (void)ctx;
2032
2033 cupsdLogMessage(CUPSD_LOG_ERROR, "%s", message);
2034 }
2035
2036
2037 /*
2038 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
2039 */
2040
2041 static int /* O - 1 on success, 0 on failure */
2042 parse_aaa(cupsd_location_t *loc, /* I - Location */
2043 char *line, /* I - Line from file */
2044 char *value, /* I - Start of value data */
2045 int linenum) /* I - Current line number */
2046 {
2047 char *valptr; /* Pointer into value */
2048 unsigned ip[4], /* IP address components */
2049 mask[4]; /* IP netmask components */
2050
2051
2052 if (!_cups_strcasecmp(line, "Encryption"))
2053 {
2054 /*
2055 * "Encryption xxx" - set required encryption level...
2056 */
2057
2058 if (!_cups_strcasecmp(value, "never"))
2059 loc->encryption = HTTP_ENCRYPT_NEVER;
2060 else if (!_cups_strcasecmp(value, "always"))
2061 {
2062 cupsdLogMessage(CUPSD_LOG_ERROR,
2063 "Encryption value \"%s\" on line %d of %s is invalid in this "
2064 "context. Using \"required\" instead.", value, linenum, ConfigurationFile);
2065
2066 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2067 }
2068 else if (!_cups_strcasecmp(value, "required"))
2069 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2070 else if (!_cups_strcasecmp(value, "ifrequested"))
2071 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
2072 else
2073 {
2074 cupsdLogMessage(CUPSD_LOG_ERROR,
2075 "Unknown Encryption value %s on line %d of %s.", value, linenum, ConfigurationFile);
2076 return (0);
2077 }
2078 }
2079 else if (!_cups_strcasecmp(line, "Order"))
2080 {
2081 /*
2082 * "Order Deny,Allow" or "Order Allow,Deny"...
2083 */
2084
2085 if (!_cups_strncasecmp(value, "deny", 4))
2086 loc->order_type = CUPSD_AUTH_ALLOW;
2087 else if (!_cups_strncasecmp(value, "allow", 5))
2088 loc->order_type = CUPSD_AUTH_DENY;
2089 else
2090 {
2091 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d of %s.",
2092 value, linenum, ConfigurationFile);
2093 return (0);
2094 }
2095 }
2096 else if (!_cups_strcasecmp(line, "Allow") || !_cups_strcasecmp(line, "Deny"))
2097 {
2098 /*
2099 * Allow [From] host/ip...
2100 * Deny [From] host/ip...
2101 */
2102
2103 while (*value)
2104 {
2105 if (!_cups_strncasecmp(value, "from", 4))
2106 {
2107 /*
2108 * Strip leading "from"...
2109 */
2110
2111 value += 4;
2112
2113 while (_cups_isspace(*value))
2114 value ++;
2115
2116 if (!*value)
2117 break;
2118 }
2119
2120 /*
2121 * Find the end of the value...
2122 */
2123
2124 for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++);
2125
2126 while (_cups_isspace(*valptr))
2127 *valptr++ = '\0';
2128
2129 /*
2130 * Figure out what form the allow/deny address takes:
2131 *
2132 * All
2133 * None
2134 * *.domain.com
2135 * .domain.com
2136 * host.domain.com
2137 * nnn.*
2138 * nnn.nnn.*
2139 * nnn.nnn.nnn.*
2140 * nnn.nnn.nnn.nnn
2141 * nnn.nnn.nnn.nnn/mm
2142 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2143 */
2144
2145 if (!_cups_strcasecmp(value, "all"))
2146 {
2147 /*
2148 * All hosts...
2149 */
2150
2151 if (!_cups_strcasecmp(line, "Allow"))
2152 cupsdAddIPMask(&(loc->allow), zeros, zeros);
2153 else
2154 cupsdAddIPMask(&(loc->deny), zeros, zeros);
2155 }
2156 else if (!_cups_strcasecmp(value, "none"))
2157 {
2158 /*
2159 * No hosts...
2160 */
2161
2162 if (!_cups_strcasecmp(line, "Allow"))
2163 cupsdAddIPMask(&(loc->allow), ones, zeros);
2164 else
2165 cupsdAddIPMask(&(loc->deny), ones, zeros);
2166 }
2167 #ifdef AF_INET6
2168 else if (value[0] == '*' || value[0] == '.' ||
2169 (!isdigit(value[0] & 255) && value[0] != '['))
2170 #else
2171 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2172 #endif /* AF_INET6 */
2173 {
2174 /*
2175 * Host or domain name...
2176 */
2177
2178 if (value[0] == '*')
2179 value ++;
2180
2181 if (!_cups_strcasecmp(line, "Allow"))
2182 cupsdAddNameMask(&(loc->allow), value);
2183 else
2184 cupsdAddNameMask(&(loc->deny), value);
2185 }
2186 else
2187 {
2188 /*
2189 * One of many IP address forms...
2190 */
2191
2192 if (!get_addr_and_mask(value, ip, mask))
2193 {
2194 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d of %s.",
2195 value, linenum, ConfigurationFile);
2196 return (0);
2197 }
2198
2199 if (!_cups_strcasecmp(line, "Allow"))
2200 cupsdAddIPMask(&(loc->allow), ip, mask);
2201 else
2202 cupsdAddIPMask(&(loc->deny), ip, mask);
2203 }
2204
2205 /*
2206 * Advance to next value...
2207 */
2208
2209 value = valptr;
2210 }
2211 }
2212 else if (!_cups_strcasecmp(line, "AuthType"))
2213 {
2214 /*
2215 * AuthType {none,basic,digest,basicdigest,negotiate,default}
2216 */
2217
2218 if (!_cups_strcasecmp(value, "none"))
2219 {
2220 loc->type = CUPSD_AUTH_NONE;
2221 loc->level = CUPSD_AUTH_ANON;
2222 }
2223 else if (!_cups_strcasecmp(value, "basic"))
2224 {
2225 loc->type = CUPSD_AUTH_BASIC;
2226
2227 if (loc->level == CUPSD_AUTH_ANON)
2228 loc->level = CUPSD_AUTH_USER;
2229 }
2230 else if (!_cups_strcasecmp(value, "default"))
2231 {
2232 loc->type = CUPSD_AUTH_DEFAULT;
2233
2234 if (loc->level == CUPSD_AUTH_ANON)
2235 loc->level = CUPSD_AUTH_USER;
2236 }
2237 else if (!_cups_strcasecmp(value, "negotiate"))
2238 {
2239 loc->type = CUPSD_AUTH_NEGOTIATE;
2240
2241 if (loc->level == CUPSD_AUTH_ANON)
2242 loc->level = CUPSD_AUTH_USER;
2243 }
2244 else
2245 {
2246 cupsdLogMessage(CUPSD_LOG_WARN,
2247 "Unknown authorization type %s on line %d of %s.",
2248 value, linenum, ConfigurationFile);
2249 return (0);
2250 }
2251 }
2252 else if (!_cups_strcasecmp(line, "AuthClass"))
2253 {
2254 /*
2255 * AuthClass anonymous, user, system, group
2256 */
2257
2258 if (!_cups_strcasecmp(value, "anonymous"))
2259 {
2260 loc->type = CUPSD_AUTH_NONE;
2261 loc->level = CUPSD_AUTH_ANON;
2262
2263 cupsdLogMessage(CUPSD_LOG_WARN,
2264 "\"AuthClass %s\" is deprecated; consider removing "
2265 "it from line %d.",
2266 value, linenum);
2267 }
2268 else if (!_cups_strcasecmp(value, "user"))
2269 {
2270 loc->level = CUPSD_AUTH_USER;
2271
2272 cupsdLogMessage(CUPSD_LOG_WARN,
2273 "\"AuthClass %s\" is deprecated; consider using "
2274 "\"Require valid-user\" on line %d of %s.",
2275 value, linenum, ConfigurationFile);
2276 }
2277 else if (!_cups_strcasecmp(value, "group"))
2278 {
2279 loc->level = CUPSD_AUTH_GROUP;
2280
2281 cupsdLogMessage(CUPSD_LOG_WARN,
2282 "\"AuthClass %s\" is deprecated; consider using "
2283 "\"Require user @groupname\" on line %d of %s.",
2284 value, linenum, ConfigurationFile);
2285 }
2286 else if (!_cups_strcasecmp(value, "system"))
2287 {
2288 loc->level = CUPSD_AUTH_GROUP;
2289
2290 cupsdAddName(loc, "@SYSTEM");
2291
2292 cupsdLogMessage(CUPSD_LOG_WARN,
2293 "\"AuthClass %s\" is deprecated; consider using "
2294 "\"Require user @SYSTEM\" on line %d of %s.",
2295 value, linenum, ConfigurationFile);
2296 }
2297 else
2298 {
2299 cupsdLogMessage(CUPSD_LOG_WARN,
2300 "Unknown authorization class %s on line %d of %s.",
2301 value, linenum, ConfigurationFile);
2302 return (0);
2303 }
2304 }
2305 else if (!_cups_strcasecmp(line, "AuthGroupName"))
2306 {
2307 cupsdAddName(loc, value);
2308
2309 cupsdLogMessage(CUPSD_LOG_WARN,
2310 "\"AuthGroupName %s\" directive is deprecated; consider "
2311 "using \"Require user @%s\" on line %d of %s.",
2312 value, value, linenum, ConfigurationFile);
2313 }
2314 else if (!_cups_strcasecmp(line, "Require"))
2315 {
2316 /*
2317 * Apache synonym for AuthClass and AuthGroupName...
2318 *
2319 * Get initial word:
2320 *
2321 * Require valid-user
2322 * Require group names
2323 * Require user names
2324 */
2325
2326 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2327
2328 if (*valptr)
2329 *valptr++ = '\0';
2330
2331 if (!_cups_strcasecmp(value, "valid-user") ||
2332 !_cups_strcasecmp(value, "user"))
2333 loc->level = CUPSD_AUTH_USER;
2334 else if (!_cups_strcasecmp(value, "group"))
2335 loc->level = CUPSD_AUTH_GROUP;
2336 else
2337 {
2338 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d of %s.",
2339 value, linenum, ConfigurationFile);
2340 return (0);
2341 }
2342
2343 /*
2344 * Get the list of names from the line...
2345 */
2346
2347 for (value = valptr; *value;)
2348 {
2349 while (_cups_isspace(*value))
2350 value ++;
2351
2352 #ifdef HAVE_AUTHORIZATION_H
2353 if (!strncmp(value, "@AUTHKEY(", 9))
2354 {
2355 /*
2356 * Grab "@AUTHKEY(name)" value...
2357 */
2358
2359 for (valptr = value + 9; *valptr != ')' && *valptr; valptr ++);
2360
2361 if (*valptr)
2362 *valptr++ = '\0';
2363 }
2364 else
2365 #endif /* HAVE_AUTHORIZATION_H */
2366 if (*value == '\"' || *value == '\'')
2367 {
2368 /*
2369 * Grab quoted name...
2370 */
2371
2372 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
2373
2374 value ++;
2375 }
2376 else
2377 {
2378 /*
2379 * Grab literal name.
2380 */
2381
2382 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2383 }
2384
2385 if (*valptr)
2386 *valptr++ = '\0';
2387
2388 cupsdAddName(loc, value);
2389
2390 for (value = valptr; _cups_isspace(*value); value ++);
2391 }
2392 }
2393 else if (!_cups_strcasecmp(line, "Satisfy"))
2394 {
2395 if (!_cups_strcasecmp(value, "all"))
2396 loc->satisfy = CUPSD_AUTH_SATISFY_ALL;
2397 else if (!_cups_strcasecmp(value, "any"))
2398 loc->satisfy = CUPSD_AUTH_SATISFY_ANY;
2399 else
2400 {
2401 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d of %s.",
2402 value, linenum, ConfigurationFile);
2403 return (0);
2404 }
2405 }
2406 else
2407 return (0);
2408
2409 return (1);
2410 }
2411
2412
2413 /*
2414 * 'parse_fatal_errors()' - Parse FatalErrors values in a string.
2415 */
2416
2417 static int /* O - FatalErrors bits */
2418 parse_fatal_errors(const char *s) /* I - FatalErrors string */
2419 {
2420 int fatal; /* FatalErrors bits */
2421 char value[1024], /* Value string */
2422 *valstart, /* Pointer into value */
2423 *valend; /* End of value */
2424
2425
2426 /*
2427 * Empty FatalErrors line yields NULL pointer...
2428 */
2429
2430 if (!s)
2431 return (CUPSD_FATAL_NONE);
2432
2433 /*
2434 * Loop through the value string,...
2435 */
2436
2437 strlcpy(value, s, sizeof(value));
2438
2439 fatal = CUPSD_FATAL_NONE;
2440
2441 for (valstart = value; *valstart;)
2442 {
2443 /*
2444 * Get the current space/comma-delimited kind name...
2445 */
2446
2447 for (valend = valstart; *valend; valend ++)
2448 if (_cups_isspace(*valend) || *valend == ',')
2449 break;
2450
2451 if (*valend)
2452 *valend++ = '\0';
2453
2454 /*
2455 * Add the error to the bitmask...
2456 */
2457
2458 if (!_cups_strcasecmp(valstart, "all"))
2459 fatal = CUPSD_FATAL_ALL;
2460 else if (!_cups_strcasecmp(valstart, "browse"))
2461 fatal |= CUPSD_FATAL_BROWSE;
2462 else if (!_cups_strcasecmp(valstart, "-browse"))
2463 fatal &= ~CUPSD_FATAL_BROWSE;
2464 else if (!_cups_strcasecmp(valstart, "config"))
2465 fatal |= CUPSD_FATAL_CONFIG;
2466 else if (!_cups_strcasecmp(valstart, "-config"))
2467 fatal &= ~CUPSD_FATAL_CONFIG;
2468 else if (!_cups_strcasecmp(valstart, "listen"))
2469 fatal |= CUPSD_FATAL_LISTEN;
2470 else if (!_cups_strcasecmp(valstart, "-listen"))
2471 fatal &= ~CUPSD_FATAL_LISTEN;
2472 else if (!_cups_strcasecmp(valstart, "log"))
2473 fatal |= CUPSD_FATAL_LOG;
2474 else if (!_cups_strcasecmp(valstart, "-log"))
2475 fatal &= ~CUPSD_FATAL_LOG;
2476 else if (!_cups_strcasecmp(valstart, "permissions"))
2477 fatal |= CUPSD_FATAL_PERMISSIONS;
2478 else if (!_cups_strcasecmp(valstart, "-permissions"))
2479 fatal &= ~CUPSD_FATAL_PERMISSIONS;
2480 else if (_cups_strcasecmp(valstart, "none"))
2481 cupsdLogMessage(CUPSD_LOG_ERROR,
2482 "Unknown FatalErrors kind \"%s\" ignored.", valstart);
2483
2484 for (valstart = valend; *valstart; valstart ++)
2485 if (!_cups_isspace(*valstart) || *valstart != ',')
2486 break;
2487 }
2488
2489 return (fatal);
2490 }
2491
2492
2493 /*
2494 * 'parse_groups()' - Parse system group names in a string.
2495 */
2496
2497 static int /* O - 1 on success, 0 on failure */
2498 parse_groups(const char *s, /* I - Space-delimited groups */
2499 int linenum) /* I - Line number in cups-files.conf */
2500 {
2501 int status; /* Return status */
2502 char value[1024], /* Value string */
2503 *valstart, /* Pointer into value */
2504 *valend, /* End of value */
2505 quote; /* Quote character */
2506 struct group *group; /* Group */
2507
2508
2509 /*
2510 * Make a copy of the string and parse out the groups...
2511 */
2512
2513 strlcpy(value, s, sizeof(value));
2514
2515 status = 1;
2516 valstart = value;
2517
2518 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
2519 {
2520 if (*valstart == '\'' || *valstart == '\"')
2521 {
2522 /*
2523 * Scan quoted name...
2524 */
2525
2526 quote = *valstart++;
2527
2528 for (valend = valstart; *valend; valend ++)
2529 if (*valend == quote)
2530 break;
2531 }
2532 else
2533 {
2534 /*
2535 * Scan space or comma-delimited name...
2536 */
2537
2538 for (valend = valstart; *valend; valend ++)
2539 if (_cups_isspace(*valend) || *valend == ',')
2540 break;
2541 }
2542
2543 if (*valend)
2544 *valend++ = '\0';
2545
2546 group = getgrnam(valstart);
2547 if (group)
2548 {
2549 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
2550 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
2551
2552 NumSystemGroups ++;
2553 }
2554 else
2555 {
2556 if (linenum)
2557 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown SystemGroup \"%s\" on line %d of %s.", valstart, linenum, CupsFilesFile);
2558 else
2559 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown default SystemGroup \"%s\".", valstart);
2560
2561 status = 0;
2562 }
2563
2564 endgrent();
2565
2566 valstart = valend;
2567
2568 while (*valstart == ',' || _cups_isspace(*valstart))
2569 valstart ++;
2570 }
2571
2572 return (status);
2573 }
2574
2575
2576 /*
2577 * 'parse_protocols()' - Parse browse protocols in a string.
2578 */
2579
2580 static int /* O - Browse protocol bits */
2581 parse_protocols(const char *s) /* I - Space-delimited protocols */
2582 {
2583 int protocols; /* Browse protocol bits */
2584 char value[1024], /* Value string */
2585 *valstart, /* Pointer into value */
2586 *valend; /* End of value */
2587
2588
2589 /*
2590 * Empty protocol line yields NULL pointer...
2591 */
2592
2593 if (!s)
2594 return (0);
2595
2596 /*
2597 * Loop through the value string,...
2598 */
2599
2600 strlcpy(value, s, sizeof(value));
2601
2602 protocols = 0;
2603
2604 for (valstart = value; *valstart;)
2605 {
2606 /*
2607 * Get the current space/comma-delimited protocol name...
2608 */
2609
2610 for (valend = valstart; *valend; valend ++)
2611 if (_cups_isspace(*valend) || *valend == ',')
2612 break;
2613
2614 if (*valend)
2615 *valend++ = '\0';
2616
2617 /*
2618 * Add the protocol to the bitmask...
2619 */
2620
2621 if (!_cups_strcasecmp(valstart, "dnssd") ||
2622 !_cups_strcasecmp(valstart, "dns-sd") ||
2623 !_cups_strcasecmp(valstart, "bonjour"))
2624 protocols |= BROWSE_DNSSD;
2625 else if (!_cups_strcasecmp(valstart, "all"))
2626 protocols |= BROWSE_ALL;
2627 else if (_cups_strcasecmp(valstart, "none"))
2628 cupsdLogMessage(CUPSD_LOG_ERROR,
2629 "Unknown browse protocol \"%s\" ignored.", valstart);
2630
2631 for (valstart = valend; *valstart; valstart ++)
2632 if (!_cups_isspace(*valstart) || *valstart != ',')
2633 break;
2634 }
2635
2636 return (protocols);
2637 }
2638
2639
2640 /*
2641 * 'parse_variable()' - Parse a variable line.
2642 */
2643
2644 static int /* O - 1 on success, 0 on failure */
2645 parse_variable(
2646 const char *filename, /* I - Name of configuration file */
2647 int linenum, /* I - Line in configuration file */
2648 const char *line, /* I - Line from configuration file */
2649 const char *value, /* I - Value from configuration file */
2650 size_t num_vars, /* I - Number of variables */
2651 const cupsd_var_t *vars) /* I - Variables */
2652 {
2653 size_t i; /* Looping var */
2654 const cupsd_var_t *var; /* Variables */
2655 char temp[1024]; /* Temporary string */
2656
2657
2658 for (i = num_vars, var = vars; i > 0; i --, var ++)
2659 if (!_cups_strcasecmp(line, var->name))
2660 break;
2661
2662 if (i == 0)
2663 {
2664 /*
2665 * Unknown directive! Output an error message and continue...
2666 */
2667
2668 if (!value)
2669 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.",
2670 line, linenum, filename);
2671 else
2672 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
2673 line, linenum, filename);
2674
2675 return (0);
2676 }
2677
2678 switch (var->type)
2679 {
2680 case CUPSD_VARTYPE_INTEGER :
2681 if (!value)
2682 {
2683 cupsdLogMessage(CUPSD_LOG_ERROR,
2684 "Missing integer value for %s on line %d of %s.",
2685 line, linenum, filename);
2686 return (0);
2687 }
2688 else if (!isdigit(*value & 255))
2689 {
2690 cupsdLogMessage(CUPSD_LOG_ERROR,
2691 "Bad integer value for %s on line %d of %s.",
2692 line, linenum, filename);
2693 return (0);
2694 }
2695 else
2696 {
2697 int n; /* Number */
2698 char *units; /* Units */
2699
2700 n = strtol(value, &units, 0);
2701
2702 if (units && *units)
2703 {
2704 if (tolower(units[0] & 255) == 'g')
2705 n *= 1024 * 1024 * 1024;
2706 else if (tolower(units[0] & 255) == 'm')
2707 n *= 1024 * 1024;
2708 else if (tolower(units[0] & 255) == 'k')
2709 n *= 1024;
2710 else if (tolower(units[0] & 255) == 't')
2711 n *= 262144;
2712 else
2713 {
2714 cupsdLogMessage(CUPSD_LOG_ERROR,
2715 "Unknown integer value for %s on line %d of %s.",
2716 line, linenum, filename);
2717 return (0);
2718 }
2719 }
2720
2721 if (n < 0)
2722 {
2723 cupsdLogMessage(CUPSD_LOG_ERROR,
2724 "Bad negative integer value for %s on line %d of "
2725 "%s.", line, linenum, filename);
2726 return (0);
2727 }
2728 else
2729 {
2730 *((int *)var->ptr) = n;
2731 }
2732 }
2733 break;
2734
2735 case CUPSD_VARTYPE_PERM :
2736 if (!value)
2737 {
2738 cupsdLogMessage(CUPSD_LOG_ERROR,
2739 "Missing permissions value for %s on line %d of %s.",
2740 line, linenum, filename);
2741 return (0);
2742 }
2743 else if (!isdigit(*value & 255))
2744 {
2745 /* TODO: Add chmod UGO syntax support */
2746 cupsdLogMessage(CUPSD_LOG_ERROR,
2747 "Bad permissions value for %s on line %d of %s.",
2748 line, linenum, filename);
2749 return (0);
2750 }
2751 else
2752 {
2753 int n = strtol(value, NULL, 8);
2754 /* Permissions value */
2755
2756 if (n < 0)
2757 {
2758 cupsdLogMessage(CUPSD_LOG_ERROR,
2759 "Bad negative permissions value for %s on line %d of "
2760 "%s.", line, linenum, filename);
2761 return (0);
2762 }
2763 else
2764 {
2765 *((mode_t *)var->ptr) = (mode_t)n;
2766 }
2767 }
2768 break;
2769
2770 case CUPSD_VARTYPE_TIME :
2771 if (!value)
2772 {
2773 cupsdLogMessage(CUPSD_LOG_ERROR,
2774 "Missing time interval value for %s on line %d of "
2775 "%s.", line, linenum, filename);
2776 return (0);
2777 }
2778 else if (!_cups_strncasecmp(line, "PreserveJob", 11) &&
2779 (!_cups_strcasecmp(value, "true") ||
2780 !_cups_strcasecmp(value, "on") ||
2781 !_cups_strcasecmp(value, "enabled") ||
2782 !_cups_strcasecmp(value, "yes")))
2783 {
2784 *((int *)var->ptr) = INT_MAX;
2785 }
2786 else if (!_cups_strcasecmp(value, "false") ||
2787 !_cups_strcasecmp(value, "off") ||
2788 !_cups_strcasecmp(value, "disabled") ||
2789 !_cups_strcasecmp(value, "no"))
2790 {
2791 *((int *)var->ptr) = 0;
2792 }
2793 else if (!isdigit(*value & 255))
2794 {
2795 cupsdLogMessage(CUPSD_LOG_ERROR,
2796 "Unknown time interval value for %s on line %d of "
2797 "%s.", line, linenum, filename);
2798 return (0);
2799 }
2800 else
2801 {
2802 double n; /* Number */
2803 char *units; /* Units */
2804
2805 n = strtod(value, &units);
2806
2807 if (units && *units)
2808 {
2809 if (tolower(units[0] & 255) == 'w')
2810 n *= 7 * 24 * 60 * 60;
2811 else if (tolower(units[0] & 255) == 'd')
2812 n *= 24 * 60 * 60;
2813 else if (tolower(units[0] & 255) == 'h')
2814 n *= 60 * 60;
2815 else if (tolower(units[0] & 255) == 'm')
2816 n *= 60;
2817 else
2818 {
2819 cupsdLogMessage(CUPSD_LOG_ERROR,
2820 "Unknown time interval value for %s on line "
2821 "%d of %s.", line, linenum, filename);
2822 return (0);
2823 }
2824 }
2825
2826 if (n < 0.0 || n > INT_MAX)
2827 {
2828 cupsdLogMessage(CUPSD_LOG_ERROR,
2829 "Bad time value for %s on line %d of %s.",
2830 line, linenum, filename);
2831 return (0);
2832 }
2833 else
2834 {
2835 *((int *)var->ptr) = (int)n;
2836 }
2837 }
2838 break;
2839
2840 case CUPSD_VARTYPE_BOOLEAN :
2841 if (!value)
2842 {
2843 cupsdLogMessage(CUPSD_LOG_ERROR,
2844 "Missing boolean value for %s on line %d of %s.",
2845 line, linenum, filename);
2846 return (0);
2847 }
2848 else if (!_cups_strcasecmp(value, "true") ||
2849 !_cups_strcasecmp(value, "on") ||
2850 !_cups_strcasecmp(value, "enabled") ||
2851 !_cups_strcasecmp(value, "yes") ||
2852 atoi(value) != 0)
2853 {
2854 *((int *)var->ptr) = TRUE;
2855 }
2856 else if (!_cups_strcasecmp(value, "false") ||
2857 !_cups_strcasecmp(value, "off") ||
2858 !_cups_strcasecmp(value, "disabled") ||
2859 !_cups_strcasecmp(value, "no") ||
2860 !_cups_strcasecmp(value, "0"))
2861 {
2862 *((int *)var->ptr) = FALSE;
2863 }
2864 else
2865 {
2866 cupsdLogMessage(CUPSD_LOG_ERROR,
2867 "Unknown boolean value %s on line %d of %s.",
2868 value, linenum, filename);
2869 return (0);
2870 }
2871 break;
2872
2873 case CUPSD_VARTYPE_PATHNAME :
2874 if (!value)
2875 {
2876 cupsdLogMessage(CUPSD_LOG_ERROR,
2877 "Missing pathname value for %s on line %d of %s.",
2878 line, linenum, filename);
2879 return (0);
2880 }
2881
2882 if (value[0] == '/')
2883 strlcpy(temp, value, sizeof(temp));
2884 else
2885 snprintf(temp, sizeof(temp), "%s/%s", ServerRoot, value);
2886
2887 if (access(temp, 0) && _cups_strcasecmp(value, "internal") && _cups_strcasecmp(line, "ServerKeychain"))
2888 {
2889 cupsdLogMessage(CUPSD_LOG_ERROR,
2890 "File or directory for \"%s %s\" on line %d of %s "
2891 "does not exist.", line, value, linenum, filename);
2892 return (0);
2893 }
2894
2895 cupsdSetString((char **)var->ptr, temp);
2896 break;
2897
2898 case CUPSD_VARTYPE_STRING :
2899 cupsdSetString((char **)var->ptr, value);
2900 break;
2901 }
2902
2903 return (1);
2904 }
2905
2906
2907 /*
2908 * 'read_cupsd_conf()' - Read the cupsd.conf configuration file.
2909 */
2910
2911 static int /* O - 1 on success, 0 on failure */
2912 read_cupsd_conf(cups_file_t *fp) /* I - File to read from */
2913 {
2914 int linenum; /* Current line number */
2915 char line[HTTP_MAX_BUFFER],
2916 /* Line from file */
2917 temp[HTTP_MAX_BUFFER],
2918 /* Temporary buffer for value */
2919 *value, /* Pointer to value */
2920 *valueptr; /* Pointer into value */
2921 int valuelen; /* Length of value */
2922 http_addrlist_t *addrlist, /* Address list */
2923 *addr; /* Current address */
2924 cups_file_t *incfile; /* Include file */
2925 char incname[1024]; /* Include filename */
2926
2927
2928 /*
2929 * Loop through each line in the file...
2930 */
2931
2932 linenum = 0;
2933
2934 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2935 {
2936 /*
2937 * Decode the directive...
2938 */
2939
2940 if (!_cups_strcasecmp(line, "Include") && value)
2941 {
2942 /*
2943 * Include filename
2944 */
2945
2946 if (value[0] == '/')
2947 strlcpy(incname, value, sizeof(incname));
2948 else
2949 snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
2950
2951 if ((incfile = cupsFileOpen(incname, "rb")) == NULL)
2952 cupsdLogMessage(CUPSD_LOG_ERROR,
2953 "Unable to include config file \"%s\" - %s",
2954 incname, strerror(errno));
2955 else
2956 {
2957 read_cupsd_conf(incfile);
2958 cupsFileClose(incfile);
2959 }
2960 }
2961 else if (!_cups_strcasecmp(line, "<Location") && value)
2962 {
2963 /*
2964 * <Location path>
2965 */
2966
2967 linenum = read_location(fp, value, linenum);
2968 if (linenum == 0)
2969 return (0);
2970 }
2971 else if (!_cups_strcasecmp(line, "<Policy") && value)
2972 {
2973 /*
2974 * <Policy name>
2975 */
2976
2977 linenum = read_policy(fp, value, linenum);
2978 if (linenum == 0)
2979 return (0);
2980 }
2981 else if (!_cups_strcasecmp(line, "FaxRetryInterval") && value)
2982 {
2983 JobRetryInterval = atoi(value);
2984 cupsdLogMessage(CUPSD_LOG_WARN,
2985 "FaxRetryInterval is deprecated; use "
2986 "JobRetryInterval on line %d of %s.", linenum, ConfigurationFile);
2987 }
2988 else if (!_cups_strcasecmp(line, "FaxRetryLimit") && value)
2989 {
2990 JobRetryLimit = atoi(value);
2991 cupsdLogMessage(CUPSD_LOG_WARN,
2992 "FaxRetryLimit is deprecated; use "
2993 "JobRetryLimit on line %d of %s.", linenum, ConfigurationFile);
2994 }
2995 #ifdef HAVE_SSL
2996 else if (!_cups_strcasecmp(line, "SSLOptions"))
2997 {
2998 /*
2999 * SSLOptions [AllowRC4] [AllowSSL3] [AllowDH] [DenyCBC] [DenyTLS1.0] [None]
3000 */
3001
3002 int options = _HTTP_TLS_NONE,/* SSL/TLS options */
3003 min_version = _HTTP_TLS_1_0,
3004 max_version = _HTTP_TLS_MAX;
3005
3006 if (value)
3007 {
3008 char *start, /* Start of option */
3009 *end; /* End of option */
3010
3011 for (start = value; *start; start = end)
3012 {
3013 /*
3014 * Find end of keyword...
3015 */
3016
3017 end = start;
3018 while (*end && !_cups_isspace(*end))
3019 end ++;
3020
3021 if (*end)
3022 *end++ = '\0';
3023
3024 /*
3025 * Compare...
3026 */
3027
3028 if (!_cups_strcasecmp(start, "AllowRC4"))
3029 options |= _HTTP_TLS_ALLOW_RC4;
3030 else if (!_cups_strcasecmp(start, "AllowSSL3"))
3031 min_version = _HTTP_TLS_SSL3;
3032 else if (!_cups_strcasecmp(start, "AllowDH"))
3033 options |= _HTTP_TLS_ALLOW_DH;
3034 else if (!_cups_strcasecmp(start, "DenyCBC"))
3035 options |= _HTTP_TLS_DENY_CBC;
3036 else if (!_cups_strcasecmp(start, "DenyTLS1.0"))
3037 min_version = _HTTP_TLS_1_1;
3038 else if (!_cups_strcasecmp(start, "MaxTLS1.0"))
3039 max_version = _HTTP_TLS_1_0;
3040 else if (!_cups_strcasecmp(start, "MaxTLS1.1"))
3041 max_version = _HTTP_TLS_1_1;
3042 else if (!_cups_strcasecmp(start, "MaxTLS1.2"))
3043 max_version = _HTTP_TLS_1_2;
3044 else if (!_cups_strcasecmp(start, "MaxTLS1.3"))
3045 max_version = _HTTP_TLS_1_3;
3046 else if (!_cups_strcasecmp(start, "MinTLS1.0"))
3047 min_version = _HTTP_TLS_1_0;
3048 else if (!_cups_strcasecmp(start, "MinTLS1.1"))
3049 min_version = _HTTP_TLS_1_1;
3050 else if (!_cups_strcasecmp(start, "MinTLS1.2"))
3051 min_version = _HTTP_TLS_1_2;
3052 else if (!_cups_strcasecmp(start, "MinTLS1.3"))
3053 min_version = _HTTP_TLS_1_3;
3054 else if (!_cups_strcasecmp(start, "None"))
3055 options = _HTTP_TLS_NONE;
3056 else if (_cups_strcasecmp(start, "NoEmptyFragments"))
3057 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown SSL option %s at line %d.", start, linenum);
3058 }
3059 }
3060
3061 _httpTLSSetOptions(options, min_version, max_version);
3062 }
3063 #endif /* HAVE_SSL */
3064 else if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")
3065 #ifdef HAVE_SSL
3066 || !_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen")
3067 #endif /* HAVE_SSL */
3068 ) && value)
3069 {
3070 /*
3071 * Add listening address(es) to the list...
3072 */
3073
3074 cupsd_listener_t *lis; /* New listeners array */
3075
3076
3077 /*
3078 * Get the address list...
3079 */
3080
3081 addrlist = get_address(value, IPP_PORT);
3082
3083 if (!addrlist)
3084 {
3085 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
3086 value, linenum);
3087 continue;
3088 }
3089
3090 /*
3091 * Add each address...
3092 */
3093
3094 for (addr = addrlist; addr; addr = addr->next)
3095 {
3096 /*
3097 * See if this address is already present...
3098 */
3099
3100 for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
3101 lis;
3102 lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
3103 if (httpAddrEqual(&(addr->addr), &(lis->address)) &&
3104 httpAddrPort(&(addr->addr)) == httpAddrPort(&(lis->address)))
3105 break;
3106
3107 if (lis)
3108 {
3109 #ifdef HAVE_ONDEMAND
3110 if (!lis->on_demand)
3111 #endif /* HAVE_ONDEMAND */
3112 {
3113 httpAddrString(&lis->address, temp, sizeof(temp));
3114 cupsdLogMessage(CUPSD_LOG_WARN,
3115 "Duplicate listen address \"%s\" ignored.", temp);
3116 }
3117
3118 continue;
3119 }
3120
3121 /*
3122 * Allocate another listener...
3123 */
3124
3125 if (!Listeners)
3126 Listeners = cupsArrayNew(NULL, NULL);
3127
3128 if (!Listeners)
3129 {
3130 cupsdLogMessage(CUPSD_LOG_ERROR,
3131 "Unable to allocate %s at line %d - %s.",
3132 line, linenum, strerror(errno));
3133 break;
3134 }
3135
3136 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
3137 {
3138 cupsdLogMessage(CUPSD_LOG_ERROR,
3139 "Unable to allocate %s at line %d - %s.",
3140 line, linenum, strerror(errno));
3141 break;
3142 }
3143
3144 cupsArrayAdd(Listeners, lis);
3145
3146 /*
3147 * Copy the current address and log it...
3148 */
3149
3150 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
3151 lis->fd = -1;
3152
3153 #ifdef HAVE_SSL
3154 if (!_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen"))
3155 lis->encryption = HTTP_ENCRYPT_ALWAYS;
3156 #endif /* HAVE_SSL */
3157
3158 httpAddrString(&lis->address, temp, sizeof(temp));
3159
3160 #ifdef AF_LOCAL
3161 if (lis->address.addr.sa_family == AF_LOCAL)
3162 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
3163 else
3164 #endif /* AF_LOCAL */
3165 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv%d)", temp,
3166 httpAddrPort(&(lis->address)),
3167 httpAddrFamily(&(lis->address)) == AF_INET ? 4 : 6);
3168
3169 if (!httpAddrLocalhost(&(lis->address)))
3170 RemotePort = httpAddrPort(&(lis->address));
3171 }
3172
3173 /*
3174 * Free the list...
3175 */
3176
3177 httpAddrFreeList(addrlist);
3178 }
3179 else if (!_cups_strcasecmp(line, "BrowseProtocols") ||
3180 !_cups_strcasecmp(line, "BrowseLocalProtocols"))
3181 {
3182 /*
3183 * "BrowseProtocols name [... name]"
3184 * "BrowseLocalProtocols name [... name]"
3185 */
3186
3187 int protocols = parse_protocols(value);
3188
3189 if (protocols < 0)
3190 {
3191 cupsdLogMessage(CUPSD_LOG_ERROR,
3192 "Unknown browse protocol \"%s\" on line %d of %s.",
3193 value, linenum, ConfigurationFile);
3194 break;
3195 }
3196
3197 BrowseLocalProtocols = protocols;
3198 }
3199 else if (!_cups_strcasecmp(line, "DefaultAuthType") && value)
3200 {
3201 /*
3202 * DefaultAuthType {basic,digest,basicdigest,negotiate}
3203 */
3204
3205 if (!_cups_strcasecmp(value, "none"))
3206 default_auth_type = CUPSD_AUTH_NONE;
3207 else if (!_cups_strcasecmp(value, "basic"))
3208 default_auth_type = CUPSD_AUTH_BASIC;
3209 else if (!_cups_strcasecmp(value, "negotiate"))
3210 default_auth_type = CUPSD_AUTH_NEGOTIATE;
3211 else if (!_cups_strcasecmp(value, "auto"))
3212 default_auth_type = CUPSD_AUTH_AUTO;
3213 else
3214 {
3215 cupsdLogMessage(CUPSD_LOG_WARN,
3216 "Unknown default authorization type %s on line %d of %s.",
3217 value, linenum, ConfigurationFile);
3218 if (FatalErrors & CUPSD_FATAL_CONFIG)
3219 return (0);
3220 }
3221 }
3222 #ifdef HAVE_SSL
3223 else if (!_cups_strcasecmp(line, "DefaultEncryption"))
3224 {
3225 /*
3226 * DefaultEncryption {Never,IfRequested,Required}
3227 */
3228
3229 if (!value || !_cups_strcasecmp(value, "never"))
3230 DefaultEncryption = HTTP_ENCRYPT_NEVER;
3231 else if (!_cups_strcasecmp(value, "required"))
3232 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
3233 else if (!_cups_strcasecmp(value, "ifrequested"))
3234 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
3235 else
3236 {
3237 cupsdLogMessage(CUPSD_LOG_WARN,
3238 "Unknown default encryption %s on line %d of %s.",
3239 value, linenum, ConfigurationFile);
3240 if (FatalErrors & CUPSD_FATAL_CONFIG)
3241 return (0);
3242 }
3243 }
3244 #endif /* HAVE_SSL */
3245 else if (!_cups_strcasecmp(line, "HostNameLookups") && value)
3246 {
3247 /*
3248 * Do hostname lookups?
3249 */
3250
3251 if (!_cups_strcasecmp(value, "off") || !_cups_strcasecmp(value, "no") ||
3252 !_cups_strcasecmp(value, "false"))
3253 HostNameLookups = 0;
3254 else if (!_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "yes") ||
3255 !_cups_strcasecmp(value, "true"))
3256 HostNameLookups = 1;
3257 else if (!_cups_strcasecmp(value, "double"))
3258 HostNameLookups = 2;
3259 else
3260 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d of %s.",
3261 value, linenum, ConfigurationFile);
3262 }
3263 else if (!_cups_strcasecmp(line, "AccessLogLevel") && value)
3264 {
3265 /*
3266 * Amount of logging to do to access log...
3267 */
3268
3269 if (!_cups_strcasecmp(value, "all"))
3270 AccessLogLevel = CUPSD_ACCESSLOG_ALL;
3271 else if (!_cups_strcasecmp(value, "actions"))
3272 AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
3273 else if (!_cups_strcasecmp(value, "config"))
3274 AccessLogLevel = CUPSD_ACCESSLOG_CONFIG;
3275 else if (!_cups_strcasecmp(value, "none"))
3276 AccessLogLevel = CUPSD_ACCESSLOG_NONE;
3277 else
3278 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown AccessLogLevel %s on line %d of %s.",
3279 value, linenum, ConfigurationFile);
3280 }
3281 else if (!_cups_strcasecmp(line, "LogLevel") && value)
3282 {
3283 /*
3284 * Amount of logging to do to error log...
3285 */
3286
3287 if (!_cups_strcasecmp(value, "debug2"))
3288 LogLevel = CUPSD_LOG_DEBUG2;
3289 else if (!_cups_strcasecmp(value, "debug"))
3290 LogLevel = CUPSD_LOG_DEBUG;
3291 else if (!_cups_strcasecmp(value, "info"))
3292 LogLevel = CUPSD_LOG_INFO;
3293 else if (!_cups_strcasecmp(value, "notice"))
3294 LogLevel = CUPSD_LOG_NOTICE;
3295 else if (!_cups_strcasecmp(value, "warn"))
3296 LogLevel = CUPSD_LOG_WARN;
3297 else if (!_cups_strcasecmp(value, "error"))
3298 LogLevel = CUPSD_LOG_ERROR;
3299 else if (!_cups_strcasecmp(value, "crit"))
3300 LogLevel = CUPSD_LOG_CRIT;
3301 else if (!_cups_strcasecmp(value, "alert"))
3302 LogLevel = CUPSD_LOG_ALERT;
3303 else if (!_cups_strcasecmp(value, "emerg"))
3304 LogLevel = CUPSD_LOG_EMERG;
3305 else if (!_cups_strcasecmp(value, "none"))
3306 LogLevel = CUPSD_LOG_NONE;
3307 else
3308 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d of %s.",
3309 value, linenum, ConfigurationFile);
3310 }
3311 else if (!_cups_strcasecmp(line, "LogTimeFormat") && value)
3312 {
3313 /*
3314 * Amount of logging to do to error log...
3315 */
3316
3317 if (!_cups_strcasecmp(value, "standard"))
3318 LogTimeFormat = CUPSD_TIME_STANDARD;
3319 else if (!_cups_strcasecmp(value, "usecs"))
3320 LogTimeFormat = CUPSD_TIME_USECS;
3321 else
3322 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogTimeFormat %s on line %d of %s.",
3323 value, linenum, ConfigurationFile);
3324 }
3325 else if (!_cups_strcasecmp(line, "ServerTokens") && value)
3326 {
3327 /*
3328 * Set the string used for the Server header...
3329 */
3330
3331 struct utsname plat; /* Platform info */
3332
3333
3334 uname(&plat);
3335
3336 if (!_cups_strcasecmp(value, "ProductOnly"))
3337 cupsdSetString(&ServerHeader, "CUPS IPP");
3338 else if (!_cups_strcasecmp(value, "Major"))
3339 cupsdSetStringf(&ServerHeader, "CUPS/%d IPP/2", CUPS_VERSION_MAJOR);
3340 else if (!_cups_strcasecmp(value, "Minor"))
3341 cupsdSetStringf(&ServerHeader, "CUPS/%d.%d IPP/2.1", CUPS_VERSION_MAJOR,
3342 CUPS_VERSION_MINOR);
3343 else if (!_cups_strcasecmp(value, "Minimal"))
3344 cupsdSetString(&ServerHeader, CUPS_MINIMAL " IPP/2.1");
3345 else if (!_cups_strcasecmp(value, "OS"))
3346 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s) IPP/2.1",
3347 plat.sysname, plat.release);
3348 else if (!_cups_strcasecmp(value, "Full"))
3349 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s; %s) IPP/2.1",
3350 plat.sysname, plat.release, plat.machine);
3351 else if (!_cups_strcasecmp(value, "None"))
3352 cupsdSetString(&ServerHeader, "");
3353 else
3354 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d of %s.",
3355 value, linenum, ConfigurationFile);
3356 }
3357 else if (!_cups_strcasecmp(line, "PassEnv") && value)
3358 {
3359 /*
3360 * PassEnv variable [... variable]
3361 */
3362
3363 for (; *value;)
3364 {
3365 for (valuelen = 0; value[valuelen]; valuelen ++)
3366 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3367 break;
3368
3369 if (value[valuelen])
3370 {
3371 value[valuelen] = '\0';
3372 valuelen ++;
3373 }
3374
3375 cupsdSetEnv(value, NULL);
3376
3377 for (value += valuelen; *value; value ++)
3378 if (!_cups_isspace(*value) || *value != ',')
3379 break;
3380 }
3381 }
3382 else if (!_cups_strcasecmp(line, "ServerAlias") && value)
3383 {
3384 /*
3385 * ServerAlias name [... name]
3386 */
3387
3388 if (!ServerAlias)
3389 ServerAlias = cupsArrayNew(NULL, NULL);
3390
3391 for (; *value;)
3392 {
3393 for (valuelen = 0; value[valuelen]; valuelen ++)
3394 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3395 break;
3396
3397 if (value[valuelen])
3398 {
3399 value[valuelen] = '\0';
3400 valuelen ++;
3401 }
3402
3403 cupsdAddAlias(ServerAlias, value);
3404
3405 for (value += valuelen; *value; value ++)
3406 if (!_cups_isspace(*value) || *value != ',')
3407 break;
3408 }
3409 }
3410 else if (!_cups_strcasecmp(line, "SetEnv") && value)
3411 {
3412 /*
3413 * SetEnv variable value
3414 */
3415
3416 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
3417
3418 if (*valueptr)
3419 {
3420 /*
3421 * Found a value...
3422 */
3423
3424 while (isspace(*valueptr & 255))
3425 *valueptr++ = '\0';
3426
3427 cupsdSetEnv(value, valueptr);
3428 }
3429 else
3430 cupsdLogMessage(CUPSD_LOG_ERROR,
3431 "Missing value for SetEnv directive on line %d of %s.",
3432 linenum, ConfigurationFile);
3433 }
3434 else if (!_cups_strcasecmp(line, "AccessLog") ||
3435 !_cups_strcasecmp(line, "CacheDir") ||
3436 !_cups_strcasecmp(line, "ConfigFilePerm") ||
3437 !_cups_strcasecmp(line, "DataDir") ||
3438 !_cups_strcasecmp(line, "DocumentRoot") ||
3439 !_cups_strcasecmp(line, "ErrorLog") ||
3440 !_cups_strcasecmp(line, "FatalErrors") ||
3441 !_cups_strcasecmp(line, "FileDevice") ||
3442 !_cups_strcasecmp(line, "FontPath") ||
3443 !_cups_strcasecmp(line, "Group") ||
3444 !_cups_strcasecmp(line, "LogFilePerm") ||
3445 !_cups_strcasecmp(line, "LPDConfigFile") ||
3446 !_cups_strcasecmp(line, "PageLog") ||
3447 !_cups_strcasecmp(line, "Printcap") ||
3448 !_cups_strcasecmp(line, "PrintcapFormat") ||
3449 !_cups_strcasecmp(line, "RemoteRoot") ||
3450 !_cups_strcasecmp(line, "RequestRoot") ||
3451 !_cups_strcasecmp(line, "ServerBin") ||
3452 !_cups_strcasecmp(line, "ServerCertificate") ||
3453 !_cups_strcasecmp(line, "ServerKey") ||
3454 !_cups_strcasecmp(line, "ServerKeychain") ||
3455 !_cups_strcasecmp(line, "ServerRoot") ||
3456 !_cups_strcasecmp(line, "SMBConfigFile") ||
3457 !_cups_strcasecmp(line, "StateDir") ||
3458 !_cups_strcasecmp(line, "SystemGroup") ||
3459 !_cups_strcasecmp(line, "SystemGroupAuthKey") ||
3460 !_cups_strcasecmp(line, "TempDir") ||
3461 !_cups_strcasecmp(line, "User"))
3462 {
3463 cupsdLogMessage(CUPSD_LOG_INFO,
3464 "Please move \"%s%s%s\" on line %d of %s to the %s file; "
3465 "this will become an error in a future release.",
3466 line, value ? " " : "", value ? value : "", linenum,
3467 ConfigurationFile, CupsFilesFile);
3468 }
3469 else
3470 parse_variable(ConfigurationFile, linenum, line, value,
3471 sizeof(cupsd_vars) / sizeof(cupsd_vars[0]), cupsd_vars);
3472 }
3473
3474 return (1);
3475 }
3476
3477
3478 /*
3479 * 'read_cups_files_conf()' - Read the cups-files.conf configuration file.
3480 */
3481
3482 static int /* O - 1 on success, 0 on failure */
3483 read_cups_files_conf(cups_file_t *fp) /* I - File to read from */
3484 {
3485 int linenum; /* Current line number */
3486 char line[HTTP_MAX_BUFFER], /* Line from file */
3487 *value; /* Value from line */
3488 struct group *group; /* Group */
3489
3490
3491 /*
3492 * Loop through each line in the file...
3493 */
3494
3495 linenum = 0;
3496
3497 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3498 {
3499 if (!_cups_strcasecmp(line, "FatalErrors"))
3500 FatalErrors = parse_fatal_errors(value);
3501 else if (!_cups_strcasecmp(line, "Group") && value)
3502 {
3503 /*
3504 * Group ID to run as...
3505 */
3506
3507 if (isdigit(value[0]))
3508 Group = (gid_t)atoi(value);
3509 else
3510 {
3511 endgrent();
3512 group = getgrnam(value);
3513
3514 if (group != NULL)
3515 Group = group->gr_gid;
3516 else
3517 {
3518 cupsdLogMessage(CUPSD_LOG_ERROR,
3519 "Unknown Group \"%s\" on line %d of %s.", value,
3520 linenum, CupsFilesFile);
3521 if (FatalErrors & CUPSD_FATAL_CONFIG)
3522 return (0);
3523 }
3524 }
3525 }
3526 else if (!_cups_strcasecmp(line, "PrintcapFormat") && value)
3527 {
3528 /*
3529 * Format of printcap file?
3530 */
3531
3532 if (!_cups_strcasecmp(value, "bsd"))
3533 PrintcapFormat = PRINTCAP_BSD;
3534 else if (!_cups_strcasecmp(value, "plist"))
3535 PrintcapFormat = PRINTCAP_PLIST;
3536 else if (!_cups_strcasecmp(value, "solaris"))
3537 PrintcapFormat = PRINTCAP_SOLARIS;
3538 else
3539 {
3540 cupsdLogMessage(CUPSD_LOG_ERROR,
3541 "Unknown PrintcapFormat \"%s\" on line %d of %s.",
3542 value, linenum, CupsFilesFile);
3543 if (FatalErrors & CUPSD_FATAL_CONFIG)
3544 return (0);
3545 }
3546 }
3547 else if (!_cups_strcasecmp(line, "Sandboxing") && value)
3548 {
3549 /*
3550 * Level of sandboxing?
3551 */
3552
3553 if (!_cups_strcasecmp(value, "off") && getuid())
3554 {
3555 Sandboxing = CUPSD_SANDBOXING_OFF;
3556 cupsdLogMessage(CUPSD_LOG_WARN, "Disabling sandboxing is not recommended (line %d of %s)", linenum, CupsFilesFile);
3557 }
3558 else if (!_cups_strcasecmp(value, "relaxed"))
3559 Sandboxing = CUPSD_SANDBOXING_RELAXED;
3560 else if (!_cups_strcasecmp(value, "strict"))
3561 Sandboxing = CUPSD_SANDBOXING_STRICT;
3562 else
3563 {
3564 cupsdLogMessage(CUPSD_LOG_ERROR,
3565 "Unknown Sandboxing \"%s\" on line %d of %s.",
3566 value, linenum, CupsFilesFile);
3567 if (FatalErrors & CUPSD_FATAL_CONFIG)
3568 return (0);
3569 }
3570 }
3571 else if (!_cups_strcasecmp(line, "SystemGroup") && value)
3572 {
3573 /*
3574 * SystemGroup (admin) group(s)...
3575 */
3576
3577 if (!parse_groups(value, linenum))
3578 {
3579 if (FatalErrors & CUPSD_FATAL_CONFIG)
3580 return (0);
3581 }
3582 }
3583 else if (!_cups_strcasecmp(line, "User") && value)
3584 {
3585 /*
3586 * User ID to run as...
3587 */
3588
3589 if (isdigit(value[0] & 255))
3590 {
3591 int uid = atoi(value);
3592
3593 if (!uid)
3594 {
3595 cupsdLogMessage(CUPSD_LOG_ERROR,
3596 "Will not use User 0 as specified on line %d of %s "
3597 "for security reasons. You must use a non-"
3598 "privileged account instead.",
3599 linenum, CupsFilesFile);
3600 if (FatalErrors & CUPSD_FATAL_CONFIG)
3601 return (0);
3602 }
3603 else
3604 User = (uid_t)atoi(value);
3605 }
3606 else
3607 {
3608 struct passwd *p; /* Password information */
3609
3610 endpwent();
3611 p = getpwnam(value);
3612
3613 if (p)
3614 {
3615 if (!p->pw_uid)
3616 {
3617 cupsdLogMessage(CUPSD_LOG_ERROR,
3618 "Will not use User %s (UID=0) as specified on line "
3619 "%d of %s for security reasons. You must use a "
3620 "non-privileged account instead.",
3621 value, linenum, CupsFilesFile);
3622 if (FatalErrors & CUPSD_FATAL_CONFIG)
3623 return (0);
3624 }
3625 else
3626 User = p->pw_uid;
3627 }
3628 else
3629 {
3630 cupsdLogMessage(CUPSD_LOG_ERROR,
3631 "Unknown User \"%s\" on line %d of %s.",
3632 value, linenum, CupsFilesFile);
3633 if (FatalErrors & CUPSD_FATAL_CONFIG)
3634 return (0);
3635 }
3636 }
3637 }
3638 else if (!_cups_strcasecmp(line, "ServerCertificate") ||
3639 !_cups_strcasecmp(line, "ServerKey"))
3640 {
3641 cupsdLogMessage(CUPSD_LOG_INFO,
3642 "The \"%s\" directive on line %d of %s is no longer "
3643 "supported; this will become an error in a future "
3644 "release.",
3645 line, linenum, CupsFilesFile);
3646 }
3647 else if (!parse_variable(CupsFilesFile, linenum, line, value,
3648 sizeof(cupsfiles_vars) / sizeof(cupsfiles_vars[0]),
3649 cupsfiles_vars) &&
3650 (FatalErrors & CUPSD_FATAL_CONFIG))
3651 return (0);
3652 }
3653
3654 return (1);
3655 }
3656
3657
3658 /*
3659 * 'read_location()' - Read a <Location path> definition.
3660 */
3661
3662 static int /* O - New line number or 0 on error */
3663 read_location(cups_file_t *fp, /* I - Configuration file */
3664 char *location, /* I - Location name/path */
3665 int linenum) /* I - Current line number */
3666 {
3667 cupsd_location_t *loc, /* New location */
3668 *parent; /* Parent location */
3669 char line[HTTP_MAX_BUFFER],
3670 /* Line buffer */
3671 *value, /* Value for directive */
3672 *valptr; /* Pointer into value */
3673
3674
3675 if ((parent = cupsdFindLocation(location)) != NULL)
3676 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Location %s> on line %d of %s.",
3677 location, linenum, ConfigurationFile);
3678 else if ((parent = cupsdNewLocation(location)) == NULL)
3679 return (0);
3680 else
3681 {
3682 cupsdAddLocation(parent);
3683
3684 parent->limit = CUPSD_AUTH_LIMIT_ALL;
3685 }
3686
3687 loc = parent;
3688
3689 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3690 {
3691 /*
3692 * Decode the directive...
3693 */
3694
3695 if (!_cups_strcasecmp(line, "</Location>"))
3696 return (linenum);
3697 else if (!_cups_strcasecmp(line, "<Limit") ||
3698 !_cups_strcasecmp(line, "<LimitExcept"))
3699 {
3700 if (!value)
3701 {
3702 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3703 if (FatalErrors & CUPSD_FATAL_CONFIG)
3704 return (0);
3705 else
3706 continue;
3707 }
3708
3709 if ((loc = cupsdCopyLocation(parent)) == NULL)
3710 return (0);
3711
3712 cupsdAddLocation(loc);
3713
3714 loc->limit = 0;
3715 while (*value)
3716 {
3717 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3718
3719 if (*valptr)
3720 *valptr++ = '\0';
3721
3722 if (!strcmp(value, "ALL"))
3723 loc->limit = CUPSD_AUTH_LIMIT_ALL;
3724 else if (!strcmp(value, "GET"))
3725 loc->limit |= CUPSD_AUTH_LIMIT_GET;
3726 else if (!strcmp(value, "HEAD"))
3727 loc->limit |= CUPSD_AUTH_LIMIT_HEAD;
3728 else if (!strcmp(value, "OPTIONS"))
3729 loc->limit |= CUPSD_AUTH_LIMIT_OPTIONS;
3730 else if (!strcmp(value, "POST"))
3731 loc->limit |= CUPSD_AUTH_LIMIT_POST;
3732 else if (!strcmp(value, "PUT"))
3733 loc->limit |= CUPSD_AUTH_LIMIT_PUT;
3734 else if (!strcmp(value, "TRACE"))
3735 loc->limit |= CUPSD_AUTH_LIMIT_TRACE;
3736 else
3737 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d of %s.",
3738 value, linenum, ConfigurationFile);
3739
3740 for (value = valptr; isspace(*value & 255); value ++);
3741 }
3742
3743 if (!_cups_strcasecmp(line, "<LimitExcept"))
3744 loc->limit = CUPSD_AUTH_LIMIT_ALL ^ loc->limit;
3745
3746 parent->limit &= ~loc->limit;
3747 }
3748 else if (!_cups_strcasecmp(line, "</Limit>") ||
3749 !_cups_strcasecmp(line, "</LimitExcept>"))
3750 loc = parent;
3751 else if (!value)
3752 {
3753 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3754 if (FatalErrors & CUPSD_FATAL_CONFIG)
3755 return (0);
3756 }
3757 else if (!parse_aaa(loc, line, value, linenum))
3758 {
3759 cupsdLogMessage(CUPSD_LOG_ERROR,
3760 "Unknown Location directive %s on line %d of %s.",
3761 line, linenum, ConfigurationFile);
3762 if (FatalErrors & CUPSD_FATAL_CONFIG)
3763 return (0);
3764 }
3765 }
3766
3767 cupsdLogMessage(CUPSD_LOG_ERROR,
3768 "Unexpected end-of-file at line %d while reading location.",
3769 linenum);
3770
3771 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
3772 }
3773
3774
3775 /*
3776 * 'read_policy()' - Read a <Policy name> definition.
3777 */
3778
3779 static int /* O - New line number or 0 on error */
3780 read_policy(cups_file_t *fp, /* I - Configuration file */
3781 char *policy, /* I - Location name/path */
3782 int linenum) /* I - Current line number */
3783 {
3784 int i; /* Looping var */
3785 cupsd_policy_t *pol; /* Policy */
3786 cupsd_location_t *op; /* Policy operation */
3787 int num_ops; /* Number of IPP operations */
3788 ipp_op_t ops[100]; /* Operations */
3789 char line[HTTP_MAX_BUFFER],
3790 /* Line buffer */
3791 *value, /* Value for directive */
3792 *valptr; /* Pointer into value */
3793
3794
3795 /*
3796 * Create the policy...
3797 */
3798
3799 if ((pol = cupsdFindPolicy(policy)) != NULL)
3800 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Policy %s> on line %d of %s.",
3801 policy, linenum, ConfigurationFile);
3802 else if ((pol = cupsdAddPolicy(policy)) == NULL)
3803 return (0);
3804
3805 /*
3806 * Read from the file...
3807 */
3808
3809 op = NULL;
3810 num_ops = 0;
3811
3812 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3813 {
3814 /*
3815 * Decode the directive...
3816 */
3817
3818 if (!_cups_strcasecmp(line, "</Policy>"))
3819 {
3820 if (op)
3821 cupsdLogMessage(CUPSD_LOG_WARN,
3822 "Missing </Limit> before </Policy> on line %d of %s.",
3823 linenum, ConfigurationFile);
3824
3825 set_policy_defaults(pol);
3826
3827 return (linenum);
3828 }
3829 else if (!_cups_strcasecmp(line, "<Limit") && !op)
3830 {
3831 if (!value)
3832 {
3833 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3834 if (FatalErrors & CUPSD_FATAL_CONFIG)
3835 return (0);
3836 else
3837 continue;
3838 }
3839
3840 /*
3841 * Scan for IPP operation names...
3842 */
3843
3844 num_ops = 0;
3845
3846 while (*value)
3847 {
3848 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3849
3850 if (*valptr)
3851 *valptr++ = '\0';
3852
3853 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3854 {
3855 if (!_cups_strcasecmp(value, "All"))
3856 ops[num_ops] = IPP_ANY_OPERATION;
3857 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3858 cupsdLogMessage(CUPSD_LOG_ERROR,
3859 "Bad IPP operation name \"%s\" on line %d of %s.",
3860 value, linenum, ConfigurationFile);
3861 else
3862 num_ops ++;
3863 }
3864 else
3865 cupsdLogMessage(CUPSD_LOG_ERROR,
3866 "Too many operations listed on line %d of %s.",
3867 linenum, ConfigurationFile);
3868
3869 for (value = valptr; isspace(*value & 255); value ++);
3870 }
3871
3872 /*
3873 * If none are specified, apply the policy to all operations...
3874 */
3875
3876 if (num_ops == 0)
3877 {
3878 ops[0] = IPP_ANY_OPERATION;
3879 num_ops = 1;
3880 }
3881
3882 /*
3883 * Add a new policy for the first operation...
3884 */
3885
3886 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3887 }
3888 else if (!_cups_strcasecmp(line, "</Limit>") && op)
3889 {
3890 /*
3891 * Finish the current operation limit...
3892 */
3893
3894 if (num_ops > 1)
3895 {
3896 /*
3897 * Copy the policy to the other operations...
3898 */
3899
3900 for (i = 1; i < num_ops; i ++)
3901 cupsdAddPolicyOp(pol, op, ops[i]);
3902 }
3903
3904 op = NULL;
3905 }
3906 else if (!value)
3907 {
3908 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3909 if (FatalErrors & CUPSD_FATAL_CONFIG)
3910 return (0);
3911 }
3912 else if (!_cups_strcasecmp(line, "JobPrivateAccess") ||
3913 !_cups_strcasecmp(line, "JobPrivateValues") ||
3914 !_cups_strcasecmp(line, "SubscriptionPrivateAccess") ||
3915 !_cups_strcasecmp(line, "SubscriptionPrivateValues"))
3916 {
3917 if (op)
3918 {
3919 cupsdLogMessage(CUPSD_LOG_ERROR,
3920 "%s directive must appear outside <Limit>...</Limit> "
3921 "on line %d of %s.", line, linenum, ConfigurationFile);
3922 if (FatalErrors & CUPSD_FATAL_CONFIG)
3923 return (0);
3924 }
3925 else
3926 {
3927 /*
3928 * Pull out whitespace-delimited values...
3929 */
3930
3931 while (*value)
3932 {
3933 /*
3934 * Find the end of the current value...
3935 */
3936
3937 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3938
3939 if (*valptr)
3940 *valptr++ = '\0';
3941
3942 /*
3943 * Save it appropriately...
3944 */
3945
3946 if (!_cups_strcasecmp(line, "JobPrivateAccess"))
3947 {
3948 /*
3949 * JobPrivateAccess {all|default|user/group list|@@ACL}
3950 */
3951
3952 if (!_cups_strcasecmp(value, "default"))
3953 {
3954 cupsdAddString(&(pol->job_access), "@OWNER");
3955 cupsdAddString(&(pol->job_access), "@SYSTEM");
3956 }
3957 else
3958 cupsdAddString(&(pol->job_access), value);
3959 }
3960 else if (!_cups_strcasecmp(line, "JobPrivateValues"))
3961 {
3962 /*
3963 * JobPrivateValues {all|none|default|attribute list}
3964 */
3965
3966 if (!_cups_strcasecmp(value, "default"))
3967 {
3968 cupsdAddString(&(pol->job_attrs), "job-name");
3969 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
3970 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
3971 cupsdAddString(&(pol->job_attrs), "phone");
3972 }
3973 else
3974 cupsdAddString(&(pol->job_attrs), value);
3975 }
3976 else if (!_cups_strcasecmp(line, "SubscriptionPrivateAccess"))
3977 {
3978 /*
3979 * SubscriptionPrivateAccess {all|default|user/group list|@@ACL}
3980 */
3981
3982 if (!_cups_strcasecmp(value, "default"))
3983 {
3984 cupsdAddString(&(pol->sub_access), "@OWNER");
3985 cupsdAddString(&(pol->sub_access), "@SYSTEM");
3986 }
3987 else
3988 cupsdAddString(&(pol->sub_access), value);
3989 }
3990 else /* if (!_cups_strcasecmp(line, "SubscriptionPrivateValues")) */
3991 {
3992 /*
3993 * SubscriptionPrivateValues {all|none|default|attribute list}
3994 */
3995
3996 if (!_cups_strcasecmp(value, "default"))
3997 {
3998 cupsdAddString(&(pol->sub_attrs), "notify-events");
3999 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4000 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4001 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4002 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4003 }
4004 else
4005 cupsdAddString(&(pol->sub_attrs), value);
4006 }
4007
4008 /*
4009 * Find the next string on the line...
4010 */
4011
4012 for (value = valptr; isspace(*value & 255); value ++);
4013 }
4014 }
4015 }
4016 else if (!op)
4017 {
4018 cupsdLogMessage(CUPSD_LOG_ERROR,
4019 "Missing <Limit ops> directive before %s on line %d of %s.",
4020 line, linenum, ConfigurationFile);
4021 if (FatalErrors & CUPSD_FATAL_CONFIG)
4022 return (0);
4023 }
4024 else if (!parse_aaa(op, line, value, linenum))
4025 {
4026 cupsdLogMessage(CUPSD_LOG_ERROR,
4027 "Unknown Policy Limit directive %s on line %d of %s.",
4028 line, linenum, ConfigurationFile);
4029
4030 if (FatalErrors & CUPSD_FATAL_CONFIG)
4031 return (0);
4032 }
4033 }
4034
4035 cupsdLogMessage(CUPSD_LOG_ERROR,
4036 "Unexpected end-of-file at line %d while reading policy "
4037 "\"%s\".", linenum, policy);
4038
4039 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
4040 }
4041
4042
4043 /*
4044 * 'set_policy_defaults()' - Set default policy values as needed.
4045 */
4046
4047 static void
4048 set_policy_defaults(cupsd_policy_t *pol)/* I - Policy */
4049 {
4050 cupsd_location_t *op; /* Policy operation */
4051
4052
4053 /*
4054 * Verify that we have an explicit policy for Validate-Job, Cancel-Jobs,
4055 * Cancel-My-Jobs, Close-Job, and CUPS-Get-Document, which ensures that
4056 * upgrades do not introduce new security issues...
4057 *
4058 * CUPS STR #4659: Allow a lone <Limit All> policy.
4059 */
4060
4061 if (cupsArrayCount(pol->ops) > 1)
4062 {
4063 if ((op = cupsdFindPolicyOp(pol, IPP_VALIDATE_JOB)) == NULL ||
4064 op->op == IPP_ANY_OPERATION)
4065 {
4066 if ((op = cupsdFindPolicyOp(pol, IPP_PRINT_JOB)) != NULL &&
4067 op->op != IPP_ANY_OPERATION)
4068 {
4069 /*
4070 * Add a new limit for Validate-Job using the Print-Job limit as a
4071 * template...
4072 */
4073
4074 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s - using Print-Job's policy.", pol->name);
4075
4076 cupsdAddPolicyOp(pol, op, IPP_VALIDATE_JOB);
4077 }
4078 else
4079 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s and no suitable template found.", pol->name);
4080 }
4081
4082 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_JOBS)) == NULL ||
4083 op->op == IPP_ANY_OPERATION)
4084 {
4085 if ((op = cupsdFindPolicyOp(pol, IPP_PAUSE_PRINTER)) != NULL &&
4086 op->op != IPP_ANY_OPERATION)
4087 {
4088 /*
4089 * Add a new limit for Cancel-Jobs using the Pause-Printer limit as a
4090 * template...
4091 */
4092
4093 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s - using Pause-Printer's policy.", pol->name);
4094
4095 cupsdAddPolicyOp(pol, op, IPP_CANCEL_JOBS);
4096 }
4097 else
4098 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s and no suitable template found.", pol->name);
4099 }
4100
4101 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_MY_JOBS)) == NULL ||
4102 op->op == IPP_ANY_OPERATION)
4103 {
4104 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4105 op->op != IPP_ANY_OPERATION)
4106 {
4107 /*
4108 * Add a new limit for Cancel-My-Jobs using the Send-Document limit as
4109 * a template...
4110 */
4111
4112 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s - using Send-Document's policy.", pol->name);
4113
4114 cupsdAddPolicyOp(pol, op, IPP_CANCEL_MY_JOBS);
4115 }
4116 else
4117 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s and no suitable template found.", pol->name);
4118 }
4119
4120 if ((op = cupsdFindPolicyOp(pol, IPP_CLOSE_JOB)) == NULL ||
4121 op->op == IPP_ANY_OPERATION)
4122 {
4123 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4124 op->op != IPP_ANY_OPERATION)
4125 {
4126 /*
4127 * Add a new limit for Close-Job using the Send-Document limit as a
4128 * template...
4129 */
4130
4131 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s - using Send-Document's policy.", pol->name);
4132
4133 cupsdAddPolicyOp(pol, op, IPP_CLOSE_JOB);
4134 }
4135 else
4136 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s and no suitable template found.", pol->name);
4137 }
4138
4139 if ((op = cupsdFindPolicyOp(pol, CUPS_GET_DOCUMENT)) == NULL ||
4140 op->op == IPP_ANY_OPERATION)
4141 {
4142 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4143 op->op != IPP_ANY_OPERATION)
4144 {
4145 /*
4146 * Add a new limit for CUPS-Get-Document using the Send-Document
4147 * limit as a template...
4148 */
4149
4150 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s - using Send-Document's policy.", pol->name);
4151
4152 cupsdAddPolicyOp(pol, op, CUPS_GET_DOCUMENT);
4153 }
4154 else
4155 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s and no suitable template found.", pol->name);
4156 }
4157 }
4158
4159 /*
4160 * Verify we have JobPrivateAccess, JobPrivateValues,
4161 * SubscriptionPrivateAccess, and SubscriptionPrivateValues in the policy.
4162 */
4163
4164 if (!pol->job_access)
4165 {
4166 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateAccess defined in policy %s - using defaults.", pol->name);
4167 cupsdAddString(&(pol->job_access), "@OWNER");
4168 cupsdAddString(&(pol->job_access), "@SYSTEM");
4169 }
4170
4171 if (!pol->job_attrs)
4172 {
4173 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateValues defined in policy %s - using defaults.", pol->name);
4174 cupsdAddString(&(pol->job_attrs), "job-name");
4175 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
4176 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
4177 cupsdAddString(&(pol->job_attrs), "phone");
4178 }
4179
4180 if (!pol->sub_access)
4181 {
4182 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateAccess defined in policy %s - using defaults.", pol->name);
4183 cupsdAddString(&(pol->sub_access), "@OWNER");
4184 cupsdAddString(&(pol->sub_access), "@SYSTEM");
4185 }
4186
4187 if (!pol->sub_attrs)
4188 {
4189 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateValues defined in policy %s - using defaults.", pol->name);
4190 cupsdAddString(&(pol->sub_attrs), "notify-events");
4191 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4192 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4193 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4194 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4195 }
4196 }
Unnamed repository; edit this file 'description' to name the repository.