1 /*
2 * Configuration routines for the CUPS scheduler.
3 *
4 * Copyright © 2007-2018 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
8 * information.
9 */
10
11 /*
12 * Include necessary headers...
13 */
14
15 #include "cupsd.h"
16 #include <stdarg.h>
17 #include <grp.h>
18 #include <sys/utsname.h>
19 #ifdef HAVE_ASL_H
20 # include <asl.h>
21 #elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
22 # define SD_JOURNAL_SUPPRESS_LOCATION
23 # include <systemd/sd-journal.h>
24 #endif /* HAVE_ASL_H */
25 #include <syslog.h>
26
27 #ifdef HAVE_LIBPAPER
28 # include <paper.h>
29 #endif /* HAVE_LIBPAPER */
30
31
32 /*
33 * Possibly missing network definitions...
34 */
35
36 #ifndef INADDR_NONE
37 # define INADDR_NONE 0xffffffff
38 #endif /* !INADDR_NONE */
39
40
41 /*
42 * Configuration variable structure...
43 */
44
45 typedef enum
46 {
47 CUPSD_VARTYPE_INTEGER, /* Integer option */
48 CUPSD_VARTYPE_TIME, /* Time interval option */
49 CUPSD_VARTYPE_STRING, /* String option */
50 CUPSD_VARTYPE_BOOLEAN, /* Boolean option */
51 CUPSD_VARTYPE_PATHNAME, /* File/directory name option */
52 CUPSD_VARTYPE_PERM /* File/directory permissions */
53 } cupsd_vartype_t;
54
55 typedef struct
56 {
57 const char *name; /* Name of variable */
58 void *ptr; /* Pointer to variable */
59 cupsd_vartype_t type; /* Type (int, string, address) */
60 } cupsd_var_t;
61
62
63 /*
64 * Local globals...
65 */
66
67 static const cupsd_var_t cupsd_vars[] =
68 {
69 { "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
70 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
71 { "BrowseDNSSDSubTypes", &DNSSDSubTypes, CUPSD_VARTYPE_STRING },
72 #endif /* HAVE_DNSSD || HAVE_AVAHI */
73 { "BrowseWebIF", &BrowseWebIF, CUPSD_VARTYPE_BOOLEAN },
74 { "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
75 { "Classification", &Classification, CUPSD_VARTYPE_STRING },
76 { "ClassifyOverride", &ClassifyOverride, CUPSD_VARTYPE_BOOLEAN },
77 { "DefaultLanguage", &DefaultLanguage, CUPSD_VARTYPE_STRING },
78 { "DefaultLeaseDuration", &DefaultLeaseDuration, CUPSD_VARTYPE_TIME },
79 { "DefaultPaperSize", &DefaultPaperSize, CUPSD_VARTYPE_STRING },
80 { "DefaultPolicy", &DefaultPolicy, CUPSD_VARTYPE_STRING },
81 { "DefaultShared", &DefaultShared, CUPSD_VARTYPE_BOOLEAN },
82 { "DirtyCleanInterval", &DirtyCleanInterval, CUPSD_VARTYPE_TIME },
83 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
84 { "DNSSDHostName", &DNSSDHostName, CUPSD_VARTYPE_STRING },
85 #endif /* HAVE_DNSSD || HAVE_AVAHI */
86 { "ErrorPolicy", &ErrorPolicy, CUPSD_VARTYPE_STRING },
87 { "FilterLimit", &FilterLimit, CUPSD_VARTYPE_INTEGER },
88 { "FilterNice", &FilterNice, CUPSD_VARTYPE_INTEGER },
89 #ifdef HAVE_GSSAPI
90 { "GSSServiceName", &GSSServiceName, CUPSD_VARTYPE_STRING },
91 #endif /* HAVE_GSSAPI */
92 #ifdef HAVE_ONDEMAND
93 { "IdleExitTimeout", &IdleExitTimeout, CUPSD_VARTYPE_TIME },
94 #endif /* HAVE_ONDEMAND */
95 { "JobKillDelay", &JobKillDelay, CUPSD_VARTYPE_TIME },
96 { "JobRetryLimit", &JobRetryLimit, CUPSD_VARTYPE_INTEGER },
97 { "JobRetryInterval", &JobRetryInterval, 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
cupsdAddAlias(cups_array_t * aliases,const char * name)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 */
cupsdCheckPermissions(const char * filename,const char * suffix,mode_t mode,uid_t user,gid_t group,int is_dir,int create_dir)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 */
cupsdDefaultAuthType(void)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
cupsdFreeAliases(cups_array_t * aliases)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 */
cupsdReadConfiguration(void)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 ListenBackLog = SOMAXCONN;
722 LogDebugHistory = 200;
723 LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
724 LogLevel = CUPSD_LOG_WARN;
725 LogTimeFormat = CUPSD_TIME_STANDARD;
726 MaxClients = 100;
727 MaxClientsPerHost = 0;
728 MaxLogSize = 1024 * 1024;
729 MaxRequestSize = 0;
730 MultipleOperationTimeout = 900;
731 NumSystemGroups = 0;
732 ReloadTimeout = DEFAULT_KEEPALIVE;
733 RootCertDuration = 300;
734 Sandboxing = CUPSD_SANDBOXING_STRICT;
735 StrictConformance = FALSE;
736 SyncOnClose = FALSE;
737 Timeout = 900;
738 WebInterface = CUPS_DEFAULT_WEBIF;
739
740 BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
741 BrowseWebIF = FALSE;
742 Browsing = CUPS_DEFAULT_BROWSING;
743 DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
744
745 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
746 cupsdSetString(&DNSSDSubTypes, "_cups,_print");
747 cupsdClearString(&DNSSDHostName);
748 #endif /* HAVE_DNSSD || HAVE_AVAHI */
749
750 cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);
751 cupsdSetString(&SMBConfigFile, CUPS_DEFAULT_SMB_CONFIG_FILE);
752
753 cupsdSetString(&ErrorPolicy, "stop-printer");
754
755 JobHistory = DEFAULT_HISTORY;
756 JobFiles = DEFAULT_FILES;
757 JobAutoPurge = 0;
758 MaxHoldTime = 0;
759 MaxJobs = 500;
760 MaxActiveJobs = 0;
761 MaxJobsPerUser = 0;
762 MaxJobsPerPrinter = 0;
763 MaxJobTime = 3 * 60 * 60; /* 3 hours */
764 MaxCopies = CUPS_DEFAULT_MAX_COPIES;
765
766 cupsdDeleteAllPolicies();
767 cupsdClearString(&DefaultPolicy);
768
769 #ifdef HAVE_AUTHORIZATION_H
770 cupsdSetString(&SystemGroupAuthKey, CUPS_DEFAULT_SYSTEM_AUTHKEY);
771 #endif /* HAVE_AUTHORIZATION_H */
772
773 MaxSubscriptions = 100;
774 MaxSubscriptionsPerJob = 0;
775 MaxSubscriptionsPerPrinter = 0;
776 MaxSubscriptionsPerUser = 0;
777 DefaultLeaseDuration = 86400;
778 MaxLeaseDuration = 0;
779
780 #ifdef HAVE_ONDEMAND
781 IdleExitTimeout = 60;
782 #endif /* HAVE_ONDEMAND */
783
784 /*
785 * Setup environment variables...
786 */
787
788 cupsdInitEnv();
789
790 /*
791 * Read the cups-files.conf file...
792 */
793
794 if ((fp = cupsFileOpen(CupsFilesFile, "r")) != NULL)
795 {
796 status = read_cups_files_conf(fp);
797
798 cupsFileClose(fp);
799
800 if (!status)
801 {
802 if (TestConfigFile)
803 printf("\"%s\" contains errors.\n", CupsFilesFile);
804 else
805 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
806 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
807 #else
808 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
809 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
810
811 return (0);
812 }
813 }
814 else if (errno == ENOENT)
815 cupsdLogMessage(CUPSD_LOG_INFO, "No %s, using defaults.", CupsFilesFile);
816 else
817 {
818 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
819 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
820 #else
821 syslog(LOG_LPR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
822 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
823
824 return (0);
825 }
826
827 if (!ErrorLog)
828 cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
829
830 /*
831 * Read the cupsd.conf file...
832 */
833
834 if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
835 {
836 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
837 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
838 #else
839 syslog(LOG_LPR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
840 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
841
842 return (0);
843 }
844
845 status = read_cupsd_conf(fp);
846
847 cupsFileClose(fp);
848
849 if (!status)
850 {
851 if (TestConfigFile)
852 printf("\"%s\" contains errors.\n", ConfigurationFile);
853 else
854 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
855 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
856 #else
857 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
858 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
859
860 return (0);
861 }
862
863 RunUser = getuid();
864
865 cupsdLogMessage(CUPSD_LOG_INFO, "Remote access is %s.",
866 RemotePort ? "enabled" : "disabled");
867
868 if (!RemotePort)
869 BrowseLocalProtocols = 0; /* Disable sharing - no remote access */
870
871 /*
872 * See if the ServerName is an IP address...
873 */
874
875 if (ServerName)
876 {
877 if (!ServerAlias)
878 ServerAlias = cupsArrayNew(NULL, NULL);
879
880 cupsdAddAlias(ServerAlias, ServerName);
881 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", ServerName);
882 }
883 else
884 {
885 if (gethostname(temp, sizeof(temp)))
886 {
887 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get hostname: %s",
888 strerror(errno));
889 strlcpy(temp, "localhost", sizeof(temp));
890 }
891
892 cupsdSetString(&ServerName, temp);
893
894 if (!ServerAlias)
895 ServerAlias = cupsArrayNew(NULL, NULL);
896
897 cupsdAddAlias(ServerAlias, temp);
898 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
899
900 if (HostNameLookups || RemotePort)
901 {
902 struct hostent *host; /* Host entry to get FQDN */
903
904 if ((host = gethostbyname(temp)) != NULL)
905 {
906 if (_cups_strcasecmp(temp, host->h_name))
907 {
908 cupsdSetString(&ServerName, host->h_name);
909 cupsdAddAlias(ServerAlias, host->h_name);
910 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
911 host->h_name);
912 }
913
914 if (host->h_aliases)
915 {
916 for (i = 0; host->h_aliases[i]; i ++)
917 if (_cups_strcasecmp(temp, host->h_aliases[i]))
918 {
919 cupsdAddAlias(ServerAlias, host->h_aliases[i]);
920 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
921 host->h_aliases[i]);
922 }
923 }
924 }
925 }
926
927 /*
928 * Make sure we have the base hostname added as an alias, too!
929 */
930
931 if ((slash = strchr(temp, '.')) != NULL)
932 {
933 *slash = '\0';
934 cupsdAddAlias(ServerAlias, temp);
935 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
936 }
937 }
938
939 for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
940
941 ServerNameIsIP = !*slash;
942
943 /*
944 * Make sure ServerAdmin is initialized...
945 */
946
947 if (!ServerAdmin)
948 cupsdSetStringf(&ServerAdmin, "root@%s", ServerName);
949
950 /*
951 * Use the default system group if none was supplied in cupsd.conf...
952 */
953
954 if (NumSystemGroups == 0)
955 {
956 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS, 0))
957 {
958 /*
959 * Find the group associated with GID 0...
960 */
961
962 group = getgrgid(0);
963 endgrent();
964
965 if (group != NULL)
966 cupsdSetString(&SystemGroups[0], group->gr_name);
967 else
968 cupsdSetString(&SystemGroups[0], "unknown");
969
970 SystemGroupIDs[0] = 0;
971 NumSystemGroups = 1;
972 }
973 }
974
975 /*
976 * Make sure ConfigFilePerm and LogFilePerm have sane values...
977 */
978
979 ConfigFilePerm &= 0664;
980 LogFilePerm &= 0664;
981
982 /*
983 * Open the system log for cupsd if necessary...
984 */
985
986 if (!LogStderr)
987 {
988 if (!strcmp(AccessLog, "stderr"))
989 cupsdSetString(&AccessLog, "syslog");
990
991 if (!strcmp(ErrorLog, "stderr"))
992 cupsdSetString(&ErrorLog, "syslog");
993
994 if (!strcmp(PageLog, "stderr"))
995 cupsdSetString(&PageLog, "syslog");
996 }
997
998 #if defined(HAVE_VSYSLOG) && !defined(HAVE_ASL_H) && !defined(HAVE_SYSTEMD_SD_JOURNAL_H)
999 if (!strcmp(AccessLog, "syslog") ||
1000 !strcmp(ErrorLog, "syslog") ||
1001 !strcmp(PageLog, "syslog"))
1002 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
1003 #endif /* HAVE_VSYSLOG && !HAVE_ASL_H && !HAVE_SYSTEMD_SD_JOURNAL_H */
1004
1005 /*
1006 * Log the configuration file that was used...
1007 */
1008
1009 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
1010 ConfigurationFile);
1011
1012 /*
1013 * Validate the Group and SystemGroup settings - they cannot be the same,
1014 * otherwise the CGI programs will be able to authenticate as root without
1015 * a password!
1016 */
1017
1018 if (!RunUser)
1019 {
1020 for (i = 0; i < NumSystemGroups; i ++)
1021 if (Group == SystemGroupIDs[i])
1022 break;
1023
1024 if (i < NumSystemGroups)
1025 {
1026 /*
1027 * Log the error and reset the group to a safe value...
1028 */
1029
1030 cupsdLogMessage(CUPSD_LOG_ERROR,
1031 "Group and SystemGroup cannot use the same groups.");
1032 if (FatalErrors & (CUPSD_FATAL_CONFIG | CUPSD_FATAL_PERMISSIONS))
1033 return (0);
1034
1035 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
1036
1037 group = getgrnam("nobody");
1038 endgrent();
1039
1040 if (group != NULL)
1041 Group = group->gr_gid;
1042 else
1043 {
1044 /*
1045 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
1046 * complement number...)
1047 */
1048
1049 Group = 65534;
1050 }
1051 }
1052 }
1053
1054 /*
1055 * Check that we have at least one listen/port line; if not, report this
1056 * as an error and exit!
1057 */
1058
1059 if (cupsArrayCount(Listeners) == 0)
1060 {
1061 /*
1062 * No listeners!
1063 */
1064
1065 cupsdLogMessage(CUPSD_LOG_EMERG,
1066 "No valid Listen or Port lines were found in the "
1067 "configuration file.");
1068
1069 /*
1070 * Commit suicide...
1071 */
1072
1073 cupsdEndProcess(getpid(), 0);
1074 }
1075
1076 /*
1077 * Set the default locale using the language and charset...
1078 */
1079
1080 cupsdSetStringf(&DefaultLocale, "%s.UTF-8", DefaultLanguage);
1081
1082 /*
1083 * Update all relative filenames to include the full path from ServerRoot...
1084 */
1085
1086 if (DocumentRoot[0] != '/')
1087 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
1088
1089 if (RequestRoot[0] != '/')
1090 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
1091
1092 if (ServerBin[0] != '/')
1093 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
1094
1095 if (StateDir[0] != '/')
1096 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
1097
1098 if (CacheDir[0] != '/')
1099 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
1100
1101 #ifdef HAVE_SSL
1102 if (!_cups_strcasecmp(ServerKeychain, "internal"))
1103 cupsdClearString(&ServerKeychain);
1104 else if (ServerKeychain[0] != '/')
1105 cupsdSetStringf(&ServerKeychain, "%s/%s", ServerRoot, ServerKeychain);
1106
1107 cupsdLogMessage(CUPSD_LOG_DEBUG, "Using keychain \"%s\" for server name \"%s\".", ServerKeychain ? ServerKeychain : "internal", ServerName);
1108 if (!CreateSelfSignedCerts)
1109 cupsdLogMessage(CUPSD_LOG_DEBUG, "Self-signed TLS certificate generation is disabled.");
1110 cupsSetServerCredentials(ServerKeychain, ServerName, CreateSelfSignedCerts);
1111 #endif /* HAVE_SSL */
1112
1113 /*
1114 * Make sure that directories and config files are owned and
1115 * writable by the user and group in the cupsd.conf file...
1116 */
1117
1118 snprintf(temp, sizeof(temp), "%s/rss", CacheDir);
1119
1120 if ((cupsdCheckPermissions(RequestRoot, NULL, 0710, RunUser,
1121 Group, 1, 1) < 0 ||
1122 cupsdCheckPermissions(CacheDir, NULL, 0770, RunUser,
1123 Group, 1, 1) < 0 ||
1124 cupsdCheckPermissions(temp, NULL, 0775, RunUser,
1125 Group, 1, 1) < 0 ||
1126 cupsdCheckPermissions(StateDir, NULL, 0755, RunUser,
1127 Group, 1, 1) < 0 ||
1128 cupsdCheckPermissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
1129 SystemGroupIDs[0], 1, 1) < 0 ||
1130 cupsdCheckPermissions(ServerRoot, NULL, 0755, RunUser,
1131 Group, 1, 0) < 0 ||
1132 cupsdCheckPermissions(ServerRoot, "ppd", 0755, RunUser,
1133 Group, 1, 1) < 0 ||
1134 cupsdCheckPermissions(ServerRoot, "ssl", 0700, RunUser,
1135 Group, 1, 0) < 0 ||
1136 cupsdCheckPermissions(ConfigurationFile, NULL, ConfigFilePerm, RunUser,
1137 Group, 0, 0) < 0 ||
1138 cupsdCheckPermissions(CupsFilesFile, NULL, ConfigFilePerm, RunUser,
1139 Group, 0, 0) < 0 ||
1140 cupsdCheckPermissions(ServerRoot, "classes.conf", 0600, RunUser,
1141 Group, 0, 0) < 0 ||
1142 cupsdCheckPermissions(ServerRoot, "printers.conf", 0600, RunUser,
1143 Group, 0, 0) < 0 ||
1144 cupsdCheckPermissions(ServerRoot, "passwd.md5", 0600, User,
1145 Group, 0, 0) < 0) &&
1146 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1147 return (0);
1148
1149 /*
1150 * Update TempDir to the default if it hasn't been set already...
1151 */
1152
1153 #ifdef __APPLE__
1154 if (TempDir && !RunUser &&
1155 (!strncmp(TempDir, "/private/tmp", 12) || !strncmp(TempDir, "/tmp", 4)))
1156 {
1157 cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot use %s for TempDir.", TempDir);
1158 cupsdClearString(&TempDir);
1159 }
1160 #endif /* __APPLE__ */
1161
1162 if (!TempDir)
1163 {
1164 #ifdef __APPLE__
1165 if ((tmpdir = getenv("TMPDIR")) != NULL &&
1166 strncmp(tmpdir, "/private/tmp", 12) && strncmp(tmpdir, "/tmp", 4))
1167 #else
1168 if ((tmpdir = getenv("TMPDIR")) != NULL)
1169 #endif /* __APPLE__ */
1170 {
1171 /*
1172 * TMPDIR is defined, see if it is OK for us to use...
1173 */
1174
1175 if (stat(tmpdir, &tmpinfo))
1176 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
1177 tmpdir, strerror(errno));
1178 else if (!S_ISDIR(tmpinfo.st_mode))
1179 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory.",
1180 tmpdir);
1181 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
1182 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
1183 !(tmpinfo.st_mode & S_IWOTH))
1184 cupsdLogMessage(CUPSD_LOG_ERROR,
1185 "TMPDIR (%s) has the wrong permissions.", tmpdir);
1186 else
1187 cupsdSetString(&TempDir, tmpdir);
1188 }
1189 }
1190
1191 if (!TempDir)
1192 {
1193 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
1194 RequestRoot);
1195 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
1196 }
1197
1198 setenv("TMPDIR", TempDir, 1);
1199
1200 /*
1201 * Make sure the temporary directory has the right permissions...
1202 */
1203
1204 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
1205 access(TempDir, 0))
1206 {
1207 /*
1208 * Update ownership and permissions if the CUPS temp directory
1209 * is under the spool directory or does not exist...
1210 */
1211
1212 if (cupsdCheckPermissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0 &&
1213 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1214 return (0);
1215 }
1216
1217 /*
1218 * Update environment variables...
1219 */
1220
1221 cupsdUpdateEnv();
1222
1223 /*
1224 * Validate the default error policy...
1225 */
1226
1227 if (strcmp(ErrorPolicy, "retry-current-job") &&
1228 strcmp(ErrorPolicy, "abort-job") &&
1229 strcmp(ErrorPolicy, "retry-job") &&
1230 strcmp(ErrorPolicy, "stop-printer"))
1231 {
1232 cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid ErrorPolicy \"%s\", resetting to \"stop-printer\".", ErrorPolicy);
1233 cupsdSetString(&ErrorPolicy, "stop-printer");
1234 }
1235
1236 /*
1237 * Update default paper size setting as needed...
1238 */
1239
1240 if (!DefaultPaperSize)
1241 {
1242 #ifdef HAVE_LIBPAPER
1243 char *paper_result; /* Paper size name from libpaper */
1244
1245 if ((paper_result = systempapername()) != NULL)
1246 cupsdSetString(&DefaultPaperSize, paper_result);
1247 else
1248 #endif /* HAVE_LIBPAPER */
1249 if (!DefaultLanguage ||
1250 !_cups_strcasecmp(DefaultLanguage, "C") ||
1251 !_cups_strcasecmp(DefaultLanguage, "POSIX") ||
1252 !_cups_strcasecmp(DefaultLanguage, "en") ||
1253 !_cups_strncasecmp(DefaultLanguage, "en.", 3) ||
1254 !_cups_strncasecmp(DefaultLanguage, "en_US", 5) ||
1255 !_cups_strncasecmp(DefaultLanguage, "en_CA", 5) ||
1256 !_cups_strncasecmp(DefaultLanguage, "fr_CA", 5))
1257 {
1258 /*
1259 * These are the only locales that will default to "letter" size...
1260 */
1261
1262 cupsdSetString(&DefaultPaperSize, "Letter");
1263 }
1264 else
1265 cupsdSetString(&DefaultPaperSize, "A4");
1266 }
1267
1268 /*
1269 * Update classification setting as needed...
1270 */
1271
1272 if (Classification && !_cups_strcasecmp(Classification, "none"))
1273 cupsdClearString(&Classification);
1274
1275 if (Classification)
1276 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
1277
1278 /*
1279 * Check the MaxClients setting, and then allocate memory for it...
1280 */
1281
1282 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
1283 {
1284 if (MaxClients > 0)
1285 cupsdLogMessage(CUPSD_LOG_INFO,
1286 "MaxClients limited to 1/3 (%d) of the file descriptor "
1287 "limit (%d)...",
1288 MaxFDs / 3, MaxFDs);
1289
1290 MaxClients = MaxFDs / 3;
1291 }
1292
1293 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
1294 MaxClients);
1295
1296 /*
1297 * Check the MaxActiveJobs setting; limit to 1/3 the available
1298 * file descriptors, since we need a pipe for each job...
1299 */
1300
1301 if (MaxActiveJobs > (MaxFDs / 3))
1302 MaxActiveJobs = MaxFDs / 3;
1303
1304 /*
1305 * Update the MaxClientsPerHost value, as needed...
1306 */
1307
1308 if (MaxClientsPerHost <= 0)
1309 MaxClientsPerHost = MaxClients;
1310
1311 if (MaxClientsPerHost > MaxClients)
1312 MaxClientsPerHost = MaxClients;
1313
1314 cupsdLogMessage(CUPSD_LOG_INFO,
1315 "Allowing up to %d client connections per host.",
1316 MaxClientsPerHost);
1317
1318 /*
1319 * Update the default policy, as needed...
1320 */
1321
1322 if (DefaultPolicy)
1323 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
1324 else
1325 DefaultPolicyPtr = NULL;
1326
1327 if (!DefaultPolicyPtr)
1328 {
1329 cupsd_location_t *po; /* New policy operation */
1330
1331
1332 if (DefaultPolicy)
1333 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found.",
1334 DefaultPolicy);
1335
1336 cupsdSetString(&DefaultPolicy, "default");
1337
1338 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
1339 cupsdLogMessage(CUPSD_LOG_INFO,
1340 "Using policy \"default\" as the default.");
1341 else
1342 {
1343 cupsdLogMessage(CUPSD_LOG_INFO,
1344 "Creating CUPS default administrative policy:");
1345
1346 DefaultPolicyPtr = p = cupsdAddPolicy("default");
1347
1348 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
1349
1350 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateAccess default");
1351 cupsdAddString(&(p->job_access), "@OWNER");
1352 cupsdAddString(&(p->job_access), "@SYSTEM");
1353
1354 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateValues default");
1355 cupsdAddString(&(p->job_attrs), "job-name");
1356 cupsdAddString(&(p->job_attrs), "job-originating-host-name");
1357 cupsdAddString(&(p->job_attrs), "job-originating-user-name");
1358 cupsdAddString(&(p->job_attrs), "phone");
1359
1360 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateAccess default");
1361 cupsdAddString(&(p->sub_access), "@OWNER");
1362 cupsdAddString(&(p->sub_access), "@SYSTEM");
1363
1364 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateValues default");
1365 cupsdAddString(&(p->job_attrs), "notify-events");
1366 cupsdAddString(&(p->job_attrs), "notify-pull-method");
1367 cupsdAddString(&(p->job_attrs), "notify-recipient-uri");
1368 cupsdAddString(&(p->job_attrs), "notify-subscriber-user-name");
1369 cupsdAddString(&(p->job_attrs), "notify-user-data");
1370
1371 cupsdLogMessage(CUPSD_LOG_INFO,
1372 "<Limit Create-Job Print-Job Print-URI Validate-Job>");
1373 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1374
1375 po = cupsdAddPolicyOp(p, NULL, IPP_CREATE_JOB);
1376 po->order_type = CUPSD_AUTH_ALLOW;
1377
1378 cupsdAddPolicyOp(p, po, IPP_PRINT_JOB);
1379 cupsdAddPolicyOp(p, po, IPP_PRINT_URI);
1380 cupsdAddPolicyOp(p, po, IPP_VALIDATE_JOB);
1381
1382 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1383
1384 cupsdLogMessage(CUPSD_LOG_INFO,
1385 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
1386 "Release-Job Restart-Job Purge-Jobs "
1387 "Set-Job-Attributes Create-Job-Subscription "
1388 "Renew-Subscription Cancel-Subscription "
1389 "Get-Notifications Reprocess-Job Cancel-Current-Job "
1390 "Suspend-Current-Job Resume-Job "
1391 "Cancel-My-Jobs Close-Job CUPS-Move-Job "
1392 "CUPS-Authenticate-Job CUPS-Get-Document>");
1393 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1394
1395 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
1396 po->order_type = CUPSD_AUTH_ALLOW;
1397 po->level = CUPSD_AUTH_USER;
1398
1399 cupsdAddName(po, "@OWNER");
1400 cupsdAddName(po, "@SYSTEM");
1401 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
1402
1403 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
1404 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
1405 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
1406 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
1407 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
1408 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
1409 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
1410 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
1411 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
1412 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
1413 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
1414 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
1415 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
1416 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
1417 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
1418 cupsdAddPolicyOp(p, po, IPP_CANCEL_MY_JOBS);
1419 cupsdAddPolicyOp(p, po, IPP_CLOSE_JOB);
1420 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
1421 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
1422 cupsdAddPolicyOp(p, po, CUPS_GET_DOCUMENT);
1423
1424 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1425
1426 cupsdLogMessage(CUPSD_LOG_INFO,
1427 "<Limit Pause-Printer Resume-Printer "
1428 "Set-Printer-Attributes Enable-Printer "
1429 "Disable-Printer Pause-Printer-After-Current-Job "
1430 "Hold-New-Jobs Release-Held-New-Jobs "
1431 "Deactivate-Printer Activate-Printer Restart-Printer "
1432 "Shutdown-Printer Startup-Printer Promote-Job "
1433 "Schedule-Job-After Cancel-Jobs CUPS-Add-Printer "
1434 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
1435 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
1436 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1437 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Default");
1438
1439 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
1440 po->order_type = CUPSD_AUTH_ALLOW;
1441 po->type = CUPSD_AUTH_DEFAULT;
1442 po->level = CUPSD_AUTH_USER;
1443
1444 cupsdAddName(po, "@SYSTEM");
1445 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
1446
1447 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
1448 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
1449 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
1450 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
1451 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
1452 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
1453 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
1454 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
1455 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
1456 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
1457 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
1458 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
1459 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
1460 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
1461 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOBS);
1462 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
1463 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
1464 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
1465 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
1466 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
1467 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
1468 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
1469
1470 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1471
1472 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
1473 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1474
1475 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
1476 po->order_type = CUPSD_AUTH_ALLOW;
1477
1478 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1479 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
1480 }
1481 }
1482
1483 if (LogLevel >= CUPSD_LOG_DEBUG2)
1484 {
1485 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
1486 cupsArrayCount(Policies));
1487 for (i = 0, p = (cupsd_policy_t *)cupsArrayFirst(Policies);
1488 p;
1489 i ++, p = (cupsd_policy_t *)cupsArrayNext(Policies))
1490 {
1491 int j; /* Looping var */
1492 cupsd_location_t *loc; /* Current location */
1493
1494 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: Policies[%d]=\"%s\"", i, p->name);
1495
1496 for (j = 0, loc = (cupsd_location_t *)cupsArrayFirst(p->ops); loc; j ++, loc = (cupsd_location_t *)cupsArrayNext(p->ops))
1497 {
1498 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: ops[%d]=%s", j, ippOpString(loc->op));
1499 }
1500 }
1501 }
1502
1503 /*
1504 * If we are doing a full reload or the server root has changed, flush
1505 * the jobs, printers, etc. and start from scratch...
1506 */
1507
1508 if (NeedReload == RELOAD_ALL ||
1509 old_remote_port != RemotePort ||
1510 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
1511 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
1512 {
1513 mime_type_t *type; /* Current type */
1514 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
1515 /* MIME type name */
1516
1517
1518 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
1519
1520 /*
1521 * Free all memory...
1522 */
1523
1524 cupsdDeleteAllSubscriptions();
1525 cupsdFreeAllJobs();
1526 cupsdDeleteAllPrinters();
1527
1528 DefaultPrinter = NULL;
1529
1530 if (MimeDatabase != NULL)
1531 mimeDelete(MimeDatabase);
1532
1533 if (NumMimeTypes)
1534 {
1535 for (i = 0; i < NumMimeTypes; i ++)
1536 _cupsStrFree(MimeTypes[i]);
1537
1538 free(MimeTypes);
1539 }
1540
1541 /*
1542 * Read the MIME type and conversion database...
1543 */
1544
1545 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
1546 snprintf(mimedir, sizeof(mimedir), "%s/mime", DataDir);
1547
1548 MimeDatabase = mimeNew();
1549 mimeSetErrorCallback(MimeDatabase, mime_error_cb, NULL);
1550
1551 MimeDatabase = mimeLoadTypes(MimeDatabase, mimedir);
1552 MimeDatabase = mimeLoadTypes(MimeDatabase, ServerRoot);
1553 MimeDatabase = mimeLoadFilters(MimeDatabase, mimedir, temp);
1554 MimeDatabase = mimeLoadFilters(MimeDatabase, ServerRoot, temp);
1555
1556 if (!MimeDatabase)
1557 {
1558 cupsdLogMessage(CUPSD_LOG_EMERG,
1559 "Unable to load MIME database from \"%s\" or \"%s\".",
1560 mimedir, ServerRoot);
1561 if (FatalErrors & CUPSD_FATAL_CONFIG)
1562 return (0);
1563 }
1564
1565 cupsdLogMessage(CUPSD_LOG_INFO,
1566 "Loaded MIME database from \"%s\" and \"%s\": %d types, "
1567 "%d filters...", mimedir, ServerRoot,
1568 mimeNumTypes(MimeDatabase), mimeNumFilters(MimeDatabase));
1569
1570 /*
1571 * Create a list of MIME types for the document-format-supported
1572 * attribute...
1573 */
1574
1575 NumMimeTypes = mimeNumTypes(MimeDatabase);
1576 if (!mimeType(MimeDatabase, "application", "octet-stream"))
1577 NumMimeTypes ++;
1578
1579 if ((MimeTypes = calloc((size_t)NumMimeTypes, sizeof(const char *))) == NULL)
1580 {
1581 cupsdLogMessage(CUPSD_LOG_ERROR,
1582 "Unable to allocate memory for %d MIME types.",
1583 NumMimeTypes);
1584 NumMimeTypes = 0;
1585 }
1586 else
1587 {
1588 for (i = 0, type = mimeFirstType(MimeDatabase);
1589 type;
1590 i ++, type = mimeNextType(MimeDatabase))
1591 {
1592 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
1593
1594 MimeTypes[i] = _cupsStrAlloc(mimetype);
1595 }
1596
1597 if (i < NumMimeTypes)
1598 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
1599 }
1600
1601 if (LogLevel == CUPSD_LOG_DEBUG2)
1602 {
1603 mime_filter_t *filter; /* Current filter */
1604
1605
1606 for (type = mimeFirstType(MimeDatabase);
1607 type;
1608 type = mimeNextType(MimeDatabase))
1609 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1610 type->super, type->type);
1611
1612 for (filter = mimeFirstFilter(MimeDatabase);
1613 filter;
1614 filter = mimeNextFilter(MimeDatabase))
1615 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1616 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1617 filter->src->super, filter->src->type,
1618 filter->dst->super, filter->dst->type,
1619 filter->cost, filter->filter);
1620 }
1621
1622 /*
1623 * Load banners...
1624 */
1625
1626 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1627 cupsdLoadBanners(temp);
1628
1629 /*
1630 * Load printers and classes...
1631 */
1632
1633 cupsdLoadAllPrinters();
1634 cupsdLoadAllClasses();
1635
1636 cupsdCreateCommonData();
1637
1638 /*
1639 * Update the printcap file as needed...
1640 */
1641
1642 if (Printcap && *Printcap && access(Printcap, 0))
1643 cupsdWritePrintcap();
1644
1645 /*
1646 * Load queued jobs...
1647 */
1648
1649 cupsdLoadAllJobs();
1650
1651 /*
1652 * Load subscriptions...
1653 */
1654
1655 cupsdLoadAllSubscriptions();
1656
1657 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1658 }
1659 else
1660 {
1661 /*
1662 * Not a full reload, so recreate the common printer attributes...
1663 */
1664
1665 cupsdCreateCommonData();
1666
1667 /*
1668 * Update all jobs as needed...
1669 */
1670
1671 cupsdUpdateJobs();
1672
1673 /*
1674 * Update all printers as needed...
1675 */
1676
1677 cupsdUpdatePrinters();
1678 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
1679
1680 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1681 }
1682
1683 /*
1684 * Reset the reload state...
1685 */
1686
1687 NeedReload = RELOAD_NONE;
1688
1689 cupsdClearString(&old_serverroot);
1690 cupsdClearString(&old_requestroot);
1691
1692 return (1);
1693 }
1694
1695
1696 /*
1697 * 'get_address()' - Get an address + port number from a line.
1698 */
1699
1700 static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
get_address(const char * value,int defport)1701 get_address(const char *value, /* I - Value string */
1702 int defport) /* I - Default port */
1703 {
1704 char buffer[1024], /* Hostname + port number buffer */
1705 defpname[255], /* Default port name */
1706 *hostname, /* Hostname or IP */
1707 *portname; /* Port number or name */
1708 http_addrlist_t *addrlist; /* Address list */
1709
1710
1711 /*
1712 * Check for an empty value...
1713 */
1714
1715 if (!*value)
1716 {
1717 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address.");
1718 return (NULL);
1719 }
1720
1721 /*
1722 * Grab a hostname and port number; if there is no colon and the port name
1723 * is only digits, then we have a port number by itself...
1724 */
1725
1726 strlcpy(buffer, value, sizeof(buffer));
1727
1728 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1729 {
1730 *portname++ = '\0';
1731 hostname = buffer;
1732 }
1733 else
1734 {
1735 for (portname = buffer; isdigit(*portname & 255); portname ++);
1736
1737 if (*portname)
1738 {
1739 /*
1740 * Use the default port...
1741 */
1742
1743 sprintf(defpname, "%d", defport);
1744 portname = defpname;
1745 hostname = buffer;
1746 }
1747 else
1748 {
1749 /*
1750 * The buffer contains just a port number...
1751 */
1752
1753 portname = buffer;
1754 hostname = NULL;
1755 }
1756 }
1757
1758 if (hostname && !strcmp(hostname, "*"))
1759 hostname = NULL;
1760
1761 /*
1762 * Now lookup the address using httpAddrGetList()...
1763 */
1764
1765 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1766 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed.",
1767 hostname ? hostname : "(nil)");
1768
1769 return (addrlist);
1770 }
1771
1772
1773 /*
1774 * 'get_addr_and_mask()' - Get an IP address and netmask.
1775 */
1776
1777 static int /* O - 1 on success, 0 on failure */
get_addr_and_mask(const char * value,unsigned * ip,unsigned * mask)1778 get_addr_and_mask(const char *value, /* I - String from config file */
1779 unsigned *ip, /* O - Address value */
1780 unsigned *mask) /* O - Mask value */
1781 {
1782 int i, j, /* Looping vars */
1783 family, /* Address family */
1784 ipcount; /* Count of fields in address */
1785 unsigned ipval; /* Value */
1786 const char *maskval, /* Pointer to start of mask value */
1787 *ptr, /* Pointer into value */
1788 *ptr2; /* ... */
1789
1790
1791 /*
1792 * Get the address...
1793 */
1794
1795 ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
1796 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
1797
1798 if ((maskval = strchr(value, '/')) != NULL)
1799 maskval ++;
1800 else
1801 maskval = value + strlen(value);
1802
1803 #ifdef AF_INET6
1804 /*
1805 * Check for an IPv6 address...
1806 */
1807
1808 if (*value == '[')
1809 {
1810 /*
1811 * Parse hexadecimal IPv6/IPv4 address...
1812 */
1813
1814 family = AF_INET6;
1815
1816 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1817 {
1818 if (*ptr == ']')
1819 break;
1820 else if (!strncmp(ptr, "::", 2))
1821 {
1822 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1823 ptr2;
1824 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1825
1826 i = 6 - j;
1827 ptr += 2;
1828 }
1829 else if (isdigit(*ptr & 255) && strchr(ptr + 1, '.') && i >= 6)
1830 {
1831 /*
1832 * Read IPv4 dotted quad...
1833 */
1834
1835 unsigned val[4] = { 0, 0, 0, 0 };
1836 /* IPv4 address values */
1837
1838 ipcount = sscanf(ptr, "%u.%u.%u.%u", val + 0, val + 1, val + 2,
1839 val + 3);
1840
1841 /*
1842 * Range check the IP numbers...
1843 */
1844
1845 for (i = 0; i < ipcount; i ++)
1846 if (val[i] > 255)
1847 return (0);
1848
1849 /*
1850 * Merge everything into a 32-bit IPv4 address in ip[3]...
1851 */
1852
1853 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1854 (unsigned)val[2]) << 8) | (unsigned)val[3];
1855
1856 if (ipcount < 4)
1857 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1858
1859 /*
1860 * If the leading words are all 0's then this is an IPv4 address...
1861 */
1862
1863 if (!val[0] && !val[1] && !val[2])
1864 family = AF_INET;
1865
1866 while (isdigit(*ptr & 255) || *ptr == '.')
1867 ptr ++;
1868 break;
1869 }
1870 else if (isxdigit(*ptr & 255))
1871 {
1872 ipval = strtoul(ptr, (char **)&ptr, 16);
1873
1874 if (*ptr == ':' && ptr[1] != ':')
1875 ptr ++;
1876
1877 if (ipval > 0xffff)
1878 return (0);
1879
1880 if (i & 1)
1881 ip[i / 2] |= ipval;
1882 else
1883 ip[i / 2] |= ipval << 16;
1884 }
1885 else
1886 return (0);
1887 }
1888
1889 if (*ptr != ']')
1890 return (0);
1891
1892 ptr ++;
1893
1894 if (*ptr && *ptr != '/')
1895 return (0);
1896 }
1897 else
1898 #endif /* AF_INET6 */
1899 {
1900 /*
1901 * Parse dotted-decimal IPv4 address...
1902 */
1903
1904 unsigned val[4] = { 0, 0, 0, 0 }; /* IPv4 address values */
1905
1906
1907 family = AF_INET;
1908 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1909
1910 /*
1911 * Range check the IP numbers...
1912 */
1913
1914 for (i = 0; i < ipcount; i ++)
1915 if (val[i] > 255)
1916 return (0);
1917
1918 /*
1919 * Merge everything into a 32-bit IPv4 address in ip[3]...
1920 */
1921
1922 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1923 (unsigned)val[2]) << 8) | (unsigned)val[3];
1924
1925 if (ipcount < 4)
1926 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1927 }
1928
1929 if (*maskval)
1930 {
1931 /*
1932 * Get the netmask value(s)...
1933 */
1934
1935 memset(mask, 0, sizeof(unsigned) * 4);
1936
1937 if (strchr(maskval, '.'))
1938 {
1939 /*
1940 * Get dotted-decimal mask...
1941 */
1942
1943 if (family != AF_INET)
1944 return (0);
1945
1946 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2,
1947 mask + 3) != 4)
1948 return (0);
1949
1950 mask[3] |= (((((unsigned)mask[0] << 8) | (unsigned)mask[1]) << 8) |
1951 (unsigned)mask[2]) << 8;
1952 mask[0] = mask[1] = mask[2] = 0;
1953 }
1954 else
1955 {
1956 /*
1957 * Get address/bits format...
1958 */
1959
1960 i = atoi(maskval);
1961
1962 #ifdef AF_INET6
1963 if (family == AF_INET6)
1964 {
1965 if (i > 128)
1966 return (0);
1967
1968 i = 128 - i;
1969
1970 if (i <= 96)
1971 mask[0] = 0xffffffff;
1972 else
1973 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1974
1975 if (i <= 64)
1976 mask[1] = 0xffffffff;
1977 else if (i >= 96)
1978 mask[1] = 0;
1979 else
1980 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1981
1982 if (i <= 32)
1983 mask[2] = 0xffffffff;
1984 else if (i >= 64)
1985 mask[2] = 0;
1986 else
1987 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1988
1989 if (i == 0)
1990 mask[3] = 0xffffffff;
1991 else if (i >= 32)
1992 mask[3] = 0;
1993 else
1994 mask[3] = (0xffffffff << i) & 0xffffffff;
1995 }
1996 else
1997 #endif /* AF_INET6 */
1998 {
1999 if (i > 32)
2000 return (0);
2001
2002 mask[0] = 0xffffffff;
2003 mask[1] = 0xffffffff;
2004 mask[2] = 0xffffffff;
2005
2006 if (i < 32)
2007 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
2008 else
2009 mask[3] = 0xffffffff;
2010 }
2011 }
2012 }
2013
2014 cupsdLogMessage(CUPSD_LOG_DEBUG2,
2015 "get_addr_and_mask(value=\"%s\", "
2016 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
2017 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
2018 mask[3]);
2019
2020 /*
2021 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
2022 */
2023
2024 if ((ip[0] & ~mask[0]) != 0 ||
2025 (ip[1] & ~mask[1]) != 0 ||
2026 (ip[2] & ~mask[2]) != 0 ||
2027 (ip[3] & ~mask[3]) != 0)
2028 return (0);
2029
2030 return (1);
2031 }
2032
2033
2034 /*
2035 * 'mime_error_cb()' - Log a MIME error.
2036 */
2037
2038 static void
mime_error_cb(void * ctx,const char * message)2039 mime_error_cb(void *ctx, /* I - Context pointer (unused) */
2040 const char *message) /* I - Message */
2041 {
2042 (void)ctx;
2043
2044 cupsdLogMessage(CUPSD_LOG_ERROR, "%s", message);
2045 }
2046
2047
2048 /*
2049 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
2050 */
2051
2052 static int /* O - 1 on success, 0 on failure */
parse_aaa(cupsd_location_t * loc,char * line,char * value,int linenum)2053 parse_aaa(cupsd_location_t *loc, /* I - Location */
2054 char *line, /* I - Line from file */
2055 char *value, /* I - Start of value data */
2056 int linenum) /* I - Current line number */
2057 {
2058 char *valptr; /* Pointer into value */
2059 unsigned ip[4], /* IP address components */
2060 mask[4]; /* IP netmask components */
2061
2062
2063 if (!_cups_strcasecmp(line, "Encryption"))
2064 {
2065 /*
2066 * "Encryption xxx" - set required encryption level...
2067 */
2068
2069 if (!_cups_strcasecmp(value, "never"))
2070 loc->encryption = HTTP_ENCRYPT_NEVER;
2071 else if (!_cups_strcasecmp(value, "always"))
2072 {
2073 cupsdLogMessage(CUPSD_LOG_ERROR,
2074 "Encryption value \"%s\" on line %d of %s is invalid in this "
2075 "context. Using \"required\" instead.", value, linenum, ConfigurationFile);
2076
2077 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2078 }
2079 else if (!_cups_strcasecmp(value, "required"))
2080 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2081 else if (!_cups_strcasecmp(value, "ifrequested"))
2082 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
2083 else
2084 {
2085 cupsdLogMessage(CUPSD_LOG_ERROR,
2086 "Unknown Encryption value %s on line %d of %s.", value, linenum, ConfigurationFile);
2087 return (0);
2088 }
2089 }
2090 else if (!_cups_strcasecmp(line, "Order"))
2091 {
2092 /*
2093 * "Order Deny,Allow" or "Order Allow,Deny"...
2094 */
2095
2096 if (!_cups_strncasecmp(value, "deny", 4))
2097 loc->order_type = CUPSD_AUTH_ALLOW;
2098 else if (!_cups_strncasecmp(value, "allow", 5))
2099 loc->order_type = CUPSD_AUTH_DENY;
2100 else
2101 {
2102 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d of %s.",
2103 value, linenum, ConfigurationFile);
2104 return (0);
2105 }
2106 }
2107 else if (!_cups_strcasecmp(line, "Allow") || !_cups_strcasecmp(line, "Deny"))
2108 {
2109 /*
2110 * Allow [From] host/ip...
2111 * Deny [From] host/ip...
2112 */
2113
2114 while (*value)
2115 {
2116 if (!_cups_strncasecmp(value, "from", 4))
2117 {
2118 /*
2119 * Strip leading "from"...
2120 */
2121
2122 value += 4;
2123
2124 while (_cups_isspace(*value))
2125 value ++;
2126
2127 if (!*value)
2128 break;
2129 }
2130
2131 /*
2132 * Find the end of the value...
2133 */
2134
2135 for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++);
2136
2137 while (_cups_isspace(*valptr))
2138 *valptr++ = '\0';
2139
2140 /*
2141 * Figure out what form the allow/deny address takes:
2142 *
2143 * All
2144 * None
2145 * *.domain.com
2146 * .domain.com
2147 * host.domain.com
2148 * nnn.*
2149 * nnn.nnn.*
2150 * nnn.nnn.nnn.*
2151 * nnn.nnn.nnn.nnn
2152 * nnn.nnn.nnn.nnn/mm
2153 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2154 */
2155
2156 if (!_cups_strcasecmp(value, "all"))
2157 {
2158 /*
2159 * All hosts...
2160 */
2161
2162 if (!_cups_strcasecmp(line, "Allow"))
2163 cupsdAddIPMask(&(loc->allow), zeros, zeros);
2164 else
2165 cupsdAddIPMask(&(loc->deny), zeros, zeros);
2166 }
2167 else if (!_cups_strcasecmp(value, "none"))
2168 {
2169 /*
2170 * No hosts...
2171 */
2172
2173 if (!_cups_strcasecmp(line, "Allow"))
2174 cupsdAddIPMask(&(loc->allow), ones, zeros);
2175 else
2176 cupsdAddIPMask(&(loc->deny), ones, zeros);
2177 }
2178 #ifdef AF_INET6
2179 else if (value[0] == '*' || value[0] == '.' ||
2180 (!isdigit(value[0] & 255) && value[0] != '['))
2181 #else
2182 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2183 #endif /* AF_INET6 */
2184 {
2185 /*
2186 * Host or domain name...
2187 */
2188
2189 if (value[0] == '*')
2190 value ++;
2191
2192 if (!_cups_strcasecmp(line, "Allow"))
2193 cupsdAddNameMask(&(loc->allow), value);
2194 else
2195 cupsdAddNameMask(&(loc->deny), value);
2196 }
2197 else
2198 {
2199 /*
2200 * One of many IP address forms...
2201 */
2202
2203 if (!get_addr_and_mask(value, ip, mask))
2204 {
2205 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d of %s.",
2206 value, linenum, ConfigurationFile);
2207 return (0);
2208 }
2209
2210 if (!_cups_strcasecmp(line, "Allow"))
2211 cupsdAddIPMask(&(loc->allow), ip, mask);
2212 else
2213 cupsdAddIPMask(&(loc->deny), ip, mask);
2214 }
2215
2216 /*
2217 * Advance to next value...
2218 */
2219
2220 value = valptr;
2221 }
2222 }
2223 else if (!_cups_strcasecmp(line, "AuthType"))
2224 {
2225 /*
2226 * AuthType {none,basic,digest,basicdigest,negotiate,default}
2227 */
2228
2229 if (!_cups_strcasecmp(value, "none"))
2230 {
2231 loc->type = CUPSD_AUTH_NONE;
2232 loc->level = CUPSD_AUTH_ANON;
2233 }
2234 else if (!_cups_strcasecmp(value, "basic"))
2235 {
2236 loc->type = CUPSD_AUTH_BASIC;
2237
2238 if (loc->level == CUPSD_AUTH_ANON)
2239 loc->level = CUPSD_AUTH_USER;
2240 }
2241 else if (!_cups_strcasecmp(value, "default"))
2242 {
2243 loc->type = CUPSD_AUTH_DEFAULT;
2244
2245 if (loc->level == CUPSD_AUTH_ANON)
2246 loc->level = CUPSD_AUTH_USER;
2247 }
2248 else if (!_cups_strcasecmp(value, "negotiate"))
2249 {
2250 loc->type = CUPSD_AUTH_NEGOTIATE;
2251
2252 if (loc->level == CUPSD_AUTH_ANON)
2253 loc->level = CUPSD_AUTH_USER;
2254 }
2255 else
2256 {
2257 cupsdLogMessage(CUPSD_LOG_WARN,
2258 "Unknown authorization type %s on line %d of %s.",
2259 value, linenum, ConfigurationFile);
2260 return (0);
2261 }
2262 }
2263 else if (!_cups_strcasecmp(line, "AuthClass"))
2264 {
2265 /*
2266 * AuthClass anonymous, user, system, group
2267 */
2268
2269 if (!_cups_strcasecmp(value, "anonymous"))
2270 {
2271 loc->type = CUPSD_AUTH_NONE;
2272 loc->level = CUPSD_AUTH_ANON;
2273
2274 cupsdLogMessage(CUPSD_LOG_WARN,
2275 "\"AuthClass %s\" is deprecated; consider removing "
2276 "it from line %d.",
2277 value, linenum);
2278 }
2279 else if (!_cups_strcasecmp(value, "user"))
2280 {
2281 loc->level = CUPSD_AUTH_USER;
2282
2283 cupsdLogMessage(CUPSD_LOG_WARN,
2284 "\"AuthClass %s\" is deprecated; consider using "
2285 "\"Require valid-user\" on line %d of %s.",
2286 value, linenum, ConfigurationFile);
2287 }
2288 else if (!_cups_strcasecmp(value, "group"))
2289 {
2290 loc->level = CUPSD_AUTH_GROUP;
2291
2292 cupsdLogMessage(CUPSD_LOG_WARN,
2293 "\"AuthClass %s\" is deprecated; consider using "
2294 "\"Require user @groupname\" on line %d of %s.",
2295 value, linenum, ConfigurationFile);
2296 }
2297 else if (!_cups_strcasecmp(value, "system"))
2298 {
2299 loc->level = CUPSD_AUTH_GROUP;
2300
2301 cupsdAddName(loc, "@SYSTEM");
2302
2303 cupsdLogMessage(CUPSD_LOG_WARN,
2304 "\"AuthClass %s\" is deprecated; consider using "
2305 "\"Require user @SYSTEM\" on line %d of %s.",
2306 value, linenum, ConfigurationFile);
2307 }
2308 else
2309 {
2310 cupsdLogMessage(CUPSD_LOG_WARN,
2311 "Unknown authorization class %s on line %d of %s.",
2312 value, linenum, ConfigurationFile);
2313 return (0);
2314 }
2315 }
2316 else if (!_cups_strcasecmp(line, "AuthGroupName"))
2317 {
2318 cupsdAddName(loc, value);
2319
2320 cupsdLogMessage(CUPSD_LOG_WARN,
2321 "\"AuthGroupName %s\" directive is deprecated; consider "
2322 "using \"Require user @%s\" on line %d of %s.",
2323 value, value, linenum, ConfigurationFile);
2324 }
2325 else if (!_cups_strcasecmp(line, "Require"))
2326 {
2327 /*
2328 * Apache synonym for AuthClass and AuthGroupName...
2329 *
2330 * Get initial word:
2331 *
2332 * Require valid-user
2333 * Require group names
2334 * Require user names
2335 */
2336
2337 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2338
2339 if (*valptr)
2340 *valptr++ = '\0';
2341
2342 if (!_cups_strcasecmp(value, "valid-user") ||
2343 !_cups_strcasecmp(value, "user"))
2344 loc->level = CUPSD_AUTH_USER;
2345 else if (!_cups_strcasecmp(value, "group"))
2346 loc->level = CUPSD_AUTH_GROUP;
2347 else
2348 {
2349 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d of %s.",
2350 value, linenum, ConfigurationFile);
2351 return (0);
2352 }
2353
2354 /*
2355 * Get the list of names from the line...
2356 */
2357
2358 for (value = valptr; *value;)
2359 {
2360 while (_cups_isspace(*value))
2361 value ++;
2362
2363 #ifdef HAVE_AUTHORIZATION_H
2364 if (!strncmp(value, "@AUTHKEY(", 9))
2365 {
2366 /*
2367 * Grab "@AUTHKEY(name)" value...
2368 */
2369
2370 for (valptr = value + 9; *valptr != ')' && *valptr; valptr ++);
2371
2372 if (*valptr)
2373 *valptr++ = '\0';
2374 }
2375 else
2376 #endif /* HAVE_AUTHORIZATION_H */
2377 if (*value == '\"' || *value == '\'')
2378 {
2379 /*
2380 * Grab quoted name...
2381 */
2382
2383 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
2384
2385 value ++;
2386 }
2387 else
2388 {
2389 /*
2390 * Grab literal name.
2391 */
2392
2393 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2394 }
2395
2396 if (*valptr)
2397 *valptr++ = '\0';
2398
2399 cupsdAddName(loc, value);
2400
2401 for (value = valptr; _cups_isspace(*value); value ++);
2402 }
2403 }
2404 else if (!_cups_strcasecmp(line, "Satisfy"))
2405 {
2406 if (!_cups_strcasecmp(value, "all"))
2407 loc->satisfy = CUPSD_AUTH_SATISFY_ALL;
2408 else if (!_cups_strcasecmp(value, "any"))
2409 loc->satisfy = CUPSD_AUTH_SATISFY_ANY;
2410 else
2411 {
2412 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d of %s.",
2413 value, linenum, ConfigurationFile);
2414 return (0);
2415 }
2416 }
2417 else
2418 return (0);
2419
2420 return (1);
2421 }
2422
2423
2424 /*
2425 * 'parse_fatal_errors()' - Parse FatalErrors values in a string.
2426 */
2427
2428 static int /* O - FatalErrors bits */
parse_fatal_errors(const char * s)2429 parse_fatal_errors(const char *s) /* I - FatalErrors string */
2430 {
2431 int fatal; /* FatalErrors bits */
2432 char value[1024], /* Value string */
2433 *valstart, /* Pointer into value */
2434 *valend; /* End of value */
2435
2436
2437 /*
2438 * Empty FatalErrors line yields NULL pointer...
2439 */
2440
2441 if (!s)
2442 return (CUPSD_FATAL_NONE);
2443
2444 /*
2445 * Loop through the value string,...
2446 */
2447
2448 strlcpy(value, s, sizeof(value));
2449
2450 fatal = CUPSD_FATAL_NONE;
2451
2452 for (valstart = value; *valstart;)
2453 {
2454 /*
2455 * Get the current space/comma-delimited kind name...
2456 */
2457
2458 for (valend = valstart; *valend; valend ++)
2459 if (_cups_isspace(*valend) || *valend == ',')
2460 break;
2461
2462 if (*valend)
2463 *valend++ = '\0';
2464
2465 /*
2466 * Add the error to the bitmask...
2467 */
2468
2469 if (!_cups_strcasecmp(valstart, "all"))
2470 fatal = CUPSD_FATAL_ALL;
2471 else if (!_cups_strcasecmp(valstart, "browse"))
2472 fatal |= CUPSD_FATAL_BROWSE;
2473 else if (!_cups_strcasecmp(valstart, "-browse"))
2474 fatal &= ~CUPSD_FATAL_BROWSE;
2475 else if (!_cups_strcasecmp(valstart, "config"))
2476 fatal |= CUPSD_FATAL_CONFIG;
2477 else if (!_cups_strcasecmp(valstart, "-config"))
2478 fatal &= ~CUPSD_FATAL_CONFIG;
2479 else if (!_cups_strcasecmp(valstart, "listen"))
2480 fatal |= CUPSD_FATAL_LISTEN;
2481 else if (!_cups_strcasecmp(valstart, "-listen"))
2482 fatal &= ~CUPSD_FATAL_LISTEN;
2483 else if (!_cups_strcasecmp(valstart, "log"))
2484 fatal |= CUPSD_FATAL_LOG;
2485 else if (!_cups_strcasecmp(valstart, "-log"))
2486 fatal &= ~CUPSD_FATAL_LOG;
2487 else if (!_cups_strcasecmp(valstart, "permissions"))
2488 fatal |= CUPSD_FATAL_PERMISSIONS;
2489 else if (!_cups_strcasecmp(valstart, "-permissions"))
2490 fatal &= ~CUPSD_FATAL_PERMISSIONS;
2491 else if (_cups_strcasecmp(valstart, "none"))
2492 cupsdLogMessage(CUPSD_LOG_ERROR,
2493 "Unknown FatalErrors kind \"%s\" ignored.", valstart);
2494
2495 for (valstart = valend; *valstart; valstart ++)
2496 if (!_cups_isspace(*valstart) || *valstart != ',')
2497 break;
2498 }
2499
2500 return (fatal);
2501 }
2502
2503
2504 /*
2505 * 'parse_groups()' - Parse system group names in a string.
2506 */
2507
2508 static int /* O - 1 on success, 0 on failure */
parse_groups(const char * s,int linenum)2509 parse_groups(const char *s, /* I - Space-delimited groups */
2510 int linenum) /* I - Line number in cups-files.conf */
2511 {
2512 int status; /* Return status */
2513 char value[1024], /* Value string */
2514 *valstart, /* Pointer into value */
2515 *valend, /* End of value */
2516 quote; /* Quote character */
2517 struct group *group; /* Group */
2518
2519
2520 /*
2521 * Make a copy of the string and parse out the groups...
2522 */
2523
2524 strlcpy(value, s, sizeof(value));
2525
2526 status = 1;
2527 valstart = value;
2528
2529 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
2530 {
2531 if (*valstart == '\'' || *valstart == '\"')
2532 {
2533 /*
2534 * Scan quoted name...
2535 */
2536
2537 quote = *valstart++;
2538
2539 for (valend = valstart; *valend; valend ++)
2540 if (*valend == quote)
2541 break;
2542 }
2543 else
2544 {
2545 /*
2546 * Scan space or comma-delimited name...
2547 */
2548
2549 for (valend = valstart; *valend; valend ++)
2550 if (_cups_isspace(*valend) || *valend == ',')
2551 break;
2552 }
2553
2554 if (*valend)
2555 *valend++ = '\0';
2556
2557 group = getgrnam(valstart);
2558 if (group)
2559 {
2560 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
2561 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
2562
2563 NumSystemGroups ++;
2564 }
2565 else
2566 {
2567 if (linenum)
2568 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown SystemGroup \"%s\" on line %d of %s.", valstart, linenum, CupsFilesFile);
2569 else
2570 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown default SystemGroup \"%s\".", valstart);
2571
2572 status = 0;
2573 }
2574
2575 endgrent();
2576
2577 valstart = valend;
2578
2579 while (*valstart == ',' || _cups_isspace(*valstart))
2580 valstart ++;
2581 }
2582
2583 return (status);
2584 }
2585
2586
2587 /*
2588 * 'parse_protocols()' - Parse browse protocols in a string.
2589 */
2590
2591 static int /* O - Browse protocol bits */
parse_protocols(const char * s)2592 parse_protocols(const char *s) /* I - Space-delimited protocols */
2593 {
2594 int protocols; /* Browse protocol bits */
2595 char value[1024], /* Value string */
2596 *valstart, /* Pointer into value */
2597 *valend; /* End of value */
2598
2599
2600 /*
2601 * Empty protocol line yields NULL pointer...
2602 */
2603
2604 if (!s)
2605 return (0);
2606
2607 /*
2608 * Loop through the value string,...
2609 */
2610
2611 strlcpy(value, s, sizeof(value));
2612
2613 protocols = 0;
2614
2615 for (valstart = value; *valstart;)
2616 {
2617 /*
2618 * Get the current space/comma-delimited protocol name...
2619 */
2620
2621 for (valend = valstart; *valend; valend ++)
2622 if (_cups_isspace(*valend) || *valend == ',')
2623 break;
2624
2625 if (*valend)
2626 *valend++ = '\0';
2627
2628 /*
2629 * Add the protocol to the bitmask...
2630 */
2631
2632 if (!_cups_strcasecmp(valstart, "dnssd") ||
2633 !_cups_strcasecmp(valstart, "dns-sd") ||
2634 !_cups_strcasecmp(valstart, "bonjour"))
2635 protocols |= BROWSE_DNSSD;
2636 else if (!_cups_strcasecmp(valstart, "all"))
2637 protocols |= BROWSE_ALL;
2638 else if (_cups_strcasecmp(valstart, "none"))
2639 cupsdLogMessage(CUPSD_LOG_ERROR,
2640 "Unknown browse protocol \"%s\" ignored.", valstart);
2641
2642 for (valstart = valend; *valstart; valstart ++)
2643 if (!_cups_isspace(*valstart) || *valstart != ',')
2644 break;
2645 }
2646
2647 return (protocols);
2648 }
2649
2650
2651 /*
2652 * 'parse_variable()' - Parse a variable line.
2653 */
2654
2655 static int /* O - 1 on success, 0 on failure */
parse_variable(const char * filename,int linenum,const char * line,const char * value,size_t num_vars,const cupsd_var_t * vars)2656 parse_variable(
2657 const char *filename, /* I - Name of configuration file */
2658 int linenum, /* I - Line in configuration file */
2659 const char *line, /* I - Line from configuration file */
2660 const char *value, /* I - Value from configuration file */
2661 size_t num_vars, /* I - Number of variables */
2662 const cupsd_var_t *vars) /* I - Variables */
2663 {
2664 size_t i; /* Looping var */
2665 const cupsd_var_t *var; /* Variables */
2666 char temp[1024]; /* Temporary string */
2667
2668
2669 for (i = num_vars, var = vars; i > 0; i --, var ++)
2670 if (!_cups_strcasecmp(line, var->name))
2671 break;
2672
2673 if (i == 0)
2674 {
2675 /*
2676 * Unknown directive! Output an error message and continue...
2677 */
2678
2679 if (!value)
2680 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.",
2681 line, linenum, filename);
2682 else
2683 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
2684 line, linenum, filename);
2685
2686 return (0);
2687 }
2688
2689 switch (var->type)
2690 {
2691 case CUPSD_VARTYPE_INTEGER :
2692 if (!value)
2693 {
2694 cupsdLogMessage(CUPSD_LOG_ERROR,
2695 "Missing integer value for %s on line %d of %s.",
2696 line, linenum, filename);
2697 return (0);
2698 }
2699 else if (!isdigit(*value & 255))
2700 {
2701 cupsdLogMessage(CUPSD_LOG_ERROR,
2702 "Bad integer value for %s on line %d of %s.",
2703 line, linenum, filename);
2704 return (0);
2705 }
2706 else
2707 {
2708 int n; /* Number */
2709 char *units; /* Units */
2710
2711 n = strtol(value, &units, 0);
2712
2713 if (units && *units)
2714 {
2715 if (tolower(units[0] & 255) == 'g')
2716 n *= 1024 * 1024 * 1024;
2717 else if (tolower(units[0] & 255) == 'm')
2718 n *= 1024 * 1024;
2719 else if (tolower(units[0] & 255) == 'k')
2720 n *= 1024;
2721 else if (tolower(units[0] & 255) == 't')
2722 n *= 262144;
2723 else
2724 {
2725 cupsdLogMessage(CUPSD_LOG_ERROR,
2726 "Unknown integer value for %s on line %d of %s.",
2727 line, linenum, filename);
2728 return (0);
2729 }
2730 }
2731
2732 if (n < 0)
2733 {
2734 cupsdLogMessage(CUPSD_LOG_ERROR,
2735 "Bad negative integer value for %s on line %d of "
2736 "%s.", line, linenum, filename);
2737 return (0);
2738 }
2739 else
2740 {
2741 *((int *)var->ptr) = n;
2742 }
2743 }
2744 break;
2745
2746 case CUPSD_VARTYPE_PERM :
2747 if (!value)
2748 {
2749 cupsdLogMessage(CUPSD_LOG_ERROR,
2750 "Missing permissions value for %s on line %d of %s.",
2751 line, linenum, filename);
2752 return (0);
2753 }
2754 else if (!isdigit(*value & 255))
2755 {
2756 /* TODO: Add chmod UGO syntax support */
2757 cupsdLogMessage(CUPSD_LOG_ERROR,
2758 "Bad permissions value for %s on line %d of %s.",
2759 line, linenum, filename);
2760 return (0);
2761 }
2762 else
2763 {
2764 int n = strtol(value, NULL, 8);
2765 /* Permissions value */
2766
2767 if (n < 0)
2768 {
2769 cupsdLogMessage(CUPSD_LOG_ERROR,
2770 "Bad negative permissions value for %s on line %d of "
2771 "%s.", line, linenum, filename);
2772 return (0);
2773 }
2774 else
2775 {
2776 *((mode_t *)var->ptr) = (mode_t)n;
2777 }
2778 }
2779 break;
2780
2781 case CUPSD_VARTYPE_TIME :
2782 if (!value)
2783 {
2784 cupsdLogMessage(CUPSD_LOG_ERROR,
2785 "Missing time interval value for %s on line %d of "
2786 "%s.", line, linenum, filename);
2787 return (0);
2788 }
2789 else if (!_cups_strncasecmp(line, "PreserveJob", 11) &&
2790 (!_cups_strcasecmp(value, "true") ||
2791 !_cups_strcasecmp(value, "on") ||
2792 !_cups_strcasecmp(value, "enabled") ||
2793 !_cups_strcasecmp(value, "yes")))
2794 {
2795 *((int *)var->ptr) = INT_MAX;
2796 }
2797 else if (!_cups_strcasecmp(value, "false") ||
2798 !_cups_strcasecmp(value, "off") ||
2799 !_cups_strcasecmp(value, "disabled") ||
2800 !_cups_strcasecmp(value, "no"))
2801 {
2802 *((int *)var->ptr) = 0;
2803 }
2804 else if (!isdigit(*value & 255))
2805 {
2806 cupsdLogMessage(CUPSD_LOG_ERROR,
2807 "Unknown time interval value for %s on line %d of "
2808 "%s.", line, linenum, filename);
2809 return (0);
2810 }
2811 else
2812 {
2813 double n; /* Number */
2814 char *units; /* Units */
2815
2816 n = strtod(value, &units);
2817
2818 if (units && *units)
2819 {
2820 if (tolower(units[0] & 255) == 'w')
2821 n *= 7 * 24 * 60 * 60;
2822 else if (tolower(units[0] & 255) == 'd')
2823 n *= 24 * 60 * 60;
2824 else if (tolower(units[0] & 255) == 'h')
2825 n *= 60 * 60;
2826 else if (tolower(units[0] & 255) == 'm')
2827 n *= 60;
2828 else
2829 {
2830 cupsdLogMessage(CUPSD_LOG_ERROR,
2831 "Unknown time interval value for %s on line "
2832 "%d of %s.", line, linenum, filename);
2833 return (0);
2834 }
2835 }
2836
2837 if (n < 0.0 || n > INT_MAX)
2838 {
2839 cupsdLogMessage(CUPSD_LOG_ERROR,
2840 "Bad time value for %s on line %d of %s.",
2841 line, linenum, filename);
2842 return (0);
2843 }
2844 else
2845 {
2846 *((int *)var->ptr) = (int)n;
2847 }
2848 }
2849 break;
2850
2851 case CUPSD_VARTYPE_BOOLEAN :
2852 if (!value)
2853 {
2854 cupsdLogMessage(CUPSD_LOG_ERROR,
2855 "Missing boolean value for %s on line %d of %s.",
2856 line, linenum, filename);
2857 return (0);
2858 }
2859 else if (!_cups_strcasecmp(value, "true") ||
2860 !_cups_strcasecmp(value, "on") ||
2861 !_cups_strcasecmp(value, "enabled") ||
2862 !_cups_strcasecmp(value, "yes") ||
2863 atoi(value) != 0)
2864 {
2865 *((int *)var->ptr) = TRUE;
2866 }
2867 else if (!_cups_strcasecmp(value, "false") ||
2868 !_cups_strcasecmp(value, "off") ||
2869 !_cups_strcasecmp(value, "disabled") ||
2870 !_cups_strcasecmp(value, "no") ||
2871 !_cups_strcasecmp(value, "0"))
2872 {
2873 *((int *)var->ptr) = FALSE;
2874 }
2875 else
2876 {
2877 cupsdLogMessage(CUPSD_LOG_ERROR,
2878 "Unknown boolean value %s on line %d of %s.",
2879 value, linenum, filename);
2880 return (0);
2881 }
2882 break;
2883
2884 case CUPSD_VARTYPE_PATHNAME :
2885 if (!value)
2886 {
2887 cupsdLogMessage(CUPSD_LOG_ERROR,
2888 "Missing pathname value for %s on line %d of %s.",
2889 line, linenum, filename);
2890 return (0);
2891 }
2892
2893 if (value[0] == '/')
2894 strlcpy(temp, value, sizeof(temp));
2895 else
2896 snprintf(temp, sizeof(temp), "%s/%s", ServerRoot, value);
2897
2898 if (access(temp, 0) && _cups_strcasecmp(value, "internal") && _cups_strcasecmp(line, "ServerKeychain"))
2899 {
2900 cupsdLogMessage(CUPSD_LOG_ERROR,
2901 "File or directory for \"%s %s\" on line %d of %s "
2902 "does not exist.", line, value, linenum, filename);
2903 return (0);
2904 }
2905
2906 cupsdSetString((char **)var->ptr, temp);
2907 break;
2908
2909 case CUPSD_VARTYPE_STRING :
2910 cupsdSetString((char **)var->ptr, value);
2911 break;
2912 }
2913
2914 return (1);
2915 }
2916
2917
2918 /*
2919 * 'read_cupsd_conf()' - Read the cupsd.conf configuration file.
2920 */
2921
2922 static int /* O - 1 on success, 0 on failure */
read_cupsd_conf(cups_file_t * fp)2923 read_cupsd_conf(cups_file_t *fp) /* I - File to read from */
2924 {
2925 int linenum; /* Current line number */
2926 char line[HTTP_MAX_BUFFER],
2927 /* Line from file */
2928 temp[HTTP_MAX_BUFFER],
2929 /* Temporary buffer for value */
2930 *value; /* Pointer to value */
2931 int valuelen; /* Length of value */
2932 http_addrlist_t *addrlist, /* Address list */
2933 *addr; /* Current address */
2934
2935
2936 /*
2937 * Loop through each line in the file...
2938 */
2939
2940 linenum = 0;
2941
2942 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2943 {
2944 /*
2945 * Decode the directive...
2946 */
2947
2948 if (!_cups_strcasecmp(line, "<Location") && value)
2949 {
2950 /*
2951 * <Location path>
2952 */
2953
2954 linenum = read_location(fp, value, linenum);
2955 if (linenum == 0)
2956 return (0);
2957 }
2958 else if (!_cups_strcasecmp(line, "<Policy") && value)
2959 {
2960 /*
2961 * <Policy name>
2962 */
2963
2964 linenum = read_policy(fp, value, linenum);
2965 if (linenum == 0)
2966 return (0);
2967 }
2968 else if (!_cups_strcasecmp(line, "FaxRetryInterval") && value)
2969 {
2970 JobRetryInterval = atoi(value);
2971 cupsdLogMessage(CUPSD_LOG_WARN,
2972 "FaxRetryInterval is deprecated; use "
2973 "JobRetryInterval on line %d of %s.", linenum, ConfigurationFile);
2974 }
2975 else if (!_cups_strcasecmp(line, "FaxRetryLimit") && value)
2976 {
2977 JobRetryLimit = atoi(value);
2978 cupsdLogMessage(CUPSD_LOG_WARN,
2979 "FaxRetryLimit is deprecated; use "
2980 "JobRetryLimit on line %d of %s.", linenum, ConfigurationFile);
2981 }
2982 #ifdef HAVE_SSL
2983 else if (!_cups_strcasecmp(line, "SSLOptions"))
2984 {
2985 /*
2986 * SSLOptions [AllowRC4] [AllowSSL3] [AllowDH] [DenyCBC] [DenyTLS1.0] [None]
2987 */
2988
2989 int options = _HTTP_TLS_NONE,/* SSL/TLS options */
2990 min_version = _HTTP_TLS_1_0,
2991 max_version = _HTTP_TLS_MAX;
2992
2993 if (value)
2994 {
2995 char *start, /* Start of option */
2996 *end; /* End of option */
2997
2998 for (start = value; *start; start = end)
2999 {
3000 /*
3001 * Find end of keyword...
3002 */
3003
3004 end = start;
3005 while (*end && !_cups_isspace(*end))
3006 end ++;
3007
3008 if (*end)
3009 *end++ = '\0';
3010
3011 /*
3012 * Compare...
3013 */
3014
3015 if (!_cups_strcasecmp(start, "AllowRC4"))
3016 options |= _HTTP_TLS_ALLOW_RC4;
3017 else if (!_cups_strcasecmp(start, "AllowSSL3"))
3018 min_version = _HTTP_TLS_SSL3;
3019 else if (!_cups_strcasecmp(start, "AllowDH"))
3020 options |= _HTTP_TLS_ALLOW_DH;
3021 else if (!_cups_strcasecmp(start, "DenyCBC"))
3022 options |= _HTTP_TLS_DENY_CBC;
3023 else if (!_cups_strcasecmp(start, "DenyTLS1.0"))
3024 min_version = _HTTP_TLS_1_1;
3025 else if (!_cups_strcasecmp(start, "MaxTLS1.0"))
3026 max_version = _HTTP_TLS_1_0;
3027 else if (!_cups_strcasecmp(start, "MaxTLS1.1"))
3028 max_version = _HTTP_TLS_1_1;
3029 else if (!_cups_strcasecmp(start, "MaxTLS1.2"))
3030 max_version = _HTTP_TLS_1_2;
3031 else if (!_cups_strcasecmp(start, "MaxTLS1.3"))
3032 max_version = _HTTP_TLS_1_3;
3033 else if (!_cups_strcasecmp(start, "MinTLS1.0"))
3034 min_version = _HTTP_TLS_1_0;
3035 else if (!_cups_strcasecmp(start, "MinTLS1.1"))
3036 min_version = _HTTP_TLS_1_1;
3037 else if (!_cups_strcasecmp(start, "MinTLS1.2"))
3038 min_version = _HTTP_TLS_1_2;
3039 else if (!_cups_strcasecmp(start, "MinTLS1.3"))
3040 min_version = _HTTP_TLS_1_3;
3041 else if (!_cups_strcasecmp(start, "None"))
3042 options = _HTTP_TLS_NONE;
3043 else if (_cups_strcasecmp(start, "NoEmptyFragments"))
3044 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown SSL option %s at line %d.", start, linenum);
3045 }
3046 }
3047
3048 _httpTLSSetOptions(options, min_version, max_version);
3049 }
3050 #endif /* HAVE_SSL */
3051 else if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")
3052 #ifdef HAVE_SSL
3053 || !_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen")
3054 #endif /* HAVE_SSL */
3055 ) && value)
3056 {
3057 /*
3058 * Add listening address(es) to the list...
3059 */
3060
3061 cupsd_listener_t *lis; /* New listeners array */
3062
3063
3064 /*
3065 * Get the address list...
3066 */
3067
3068 addrlist = get_address(value, IPP_PORT);
3069
3070 if (!addrlist)
3071 {
3072 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
3073 value, linenum);
3074 continue;
3075 }
3076
3077 /*
3078 * Add each address...
3079 */
3080
3081 for (addr = addrlist; addr; addr = addr->next)
3082 {
3083 /*
3084 * See if this address is already present...
3085 */
3086
3087 for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
3088 lis;
3089 lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
3090 if (httpAddrEqual(&(addr->addr), &(lis->address)) &&
3091 httpAddrPort(&(addr->addr)) == httpAddrPort(&(lis->address)))
3092 break;
3093
3094 if (lis)
3095 {
3096 #ifdef HAVE_ONDEMAND
3097 if (!lis->on_demand)
3098 #endif /* HAVE_ONDEMAND */
3099 {
3100 httpAddrString(&lis->address, temp, sizeof(temp));
3101 cupsdLogMessage(CUPSD_LOG_WARN,
3102 "Duplicate listen address \"%s\" ignored.", temp);
3103 }
3104
3105 continue;
3106 }
3107
3108 /*
3109 * Allocate another listener...
3110 */
3111
3112 if (!Listeners)
3113 Listeners = cupsArrayNew(NULL, NULL);
3114
3115 if (!Listeners)
3116 {
3117 cupsdLogMessage(CUPSD_LOG_ERROR,
3118 "Unable to allocate %s at line %d - %s.",
3119 line, linenum, strerror(errno));
3120 break;
3121 }
3122
3123 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
3124 {
3125 cupsdLogMessage(CUPSD_LOG_ERROR,
3126 "Unable to allocate %s at line %d - %s.",
3127 line, linenum, strerror(errno));
3128 break;
3129 }
3130
3131 cupsArrayAdd(Listeners, lis);
3132
3133 /*
3134 * Copy the current address and log it...
3135 */
3136
3137 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
3138 lis->fd = -1;
3139
3140 #ifdef HAVE_SSL
3141 if (!_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen"))
3142 lis->encryption = HTTP_ENCRYPT_ALWAYS;
3143 #endif /* HAVE_SSL */
3144
3145 httpAddrString(&lis->address, temp, sizeof(temp));
3146
3147 #ifdef AF_LOCAL
3148 if (lis->address.addr.sa_family == AF_LOCAL)
3149 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
3150 else
3151 #endif /* AF_LOCAL */
3152 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv%d)", temp,
3153 httpAddrPort(&(lis->address)),
3154 httpAddrFamily(&(lis->address)) == AF_INET ? 4 : 6);
3155
3156 if (!httpAddrLocalhost(&(lis->address)))
3157 RemotePort = httpAddrPort(&(lis->address));
3158 }
3159
3160 /*
3161 * Free the list...
3162 */
3163
3164 httpAddrFreeList(addrlist);
3165 }
3166 else if (!_cups_strcasecmp(line, "BrowseProtocols") ||
3167 !_cups_strcasecmp(line, "BrowseLocalProtocols"))
3168 {
3169 /*
3170 * "BrowseProtocols name [... name]"
3171 * "BrowseLocalProtocols name [... name]"
3172 */
3173
3174 int protocols = parse_protocols(value);
3175
3176 if (protocols < 0)
3177 {
3178 cupsdLogMessage(CUPSD_LOG_ERROR,
3179 "Unknown browse protocol \"%s\" on line %d of %s.",
3180 value, linenum, ConfigurationFile);
3181 break;
3182 }
3183
3184 BrowseLocalProtocols = protocols;
3185 }
3186 else if (!_cups_strcasecmp(line, "DefaultAuthType") && value)
3187 {
3188 /*
3189 * DefaultAuthType {basic,digest,basicdigest,negotiate}
3190 */
3191
3192 if (!_cups_strcasecmp(value, "none"))
3193 default_auth_type = CUPSD_AUTH_NONE;
3194 else if (!_cups_strcasecmp(value, "basic"))
3195 default_auth_type = CUPSD_AUTH_BASIC;
3196 else if (!_cups_strcasecmp(value, "negotiate"))
3197 default_auth_type = CUPSD_AUTH_NEGOTIATE;
3198 else if (!_cups_strcasecmp(value, "auto"))
3199 default_auth_type = CUPSD_AUTH_AUTO;
3200 else
3201 {
3202 cupsdLogMessage(CUPSD_LOG_WARN,
3203 "Unknown default authorization type %s on line %d of %s.",
3204 value, linenum, ConfigurationFile);
3205 if (FatalErrors & CUPSD_FATAL_CONFIG)
3206 return (0);
3207 }
3208 }
3209 #ifdef HAVE_SSL
3210 else if (!_cups_strcasecmp(line, "DefaultEncryption"))
3211 {
3212 /*
3213 * DefaultEncryption {Never,IfRequested,Required}
3214 */
3215
3216 if (!value || !_cups_strcasecmp(value, "never"))
3217 DefaultEncryption = HTTP_ENCRYPT_NEVER;
3218 else if (!_cups_strcasecmp(value, "required"))
3219 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
3220 else if (!_cups_strcasecmp(value, "ifrequested"))
3221 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
3222 else
3223 {
3224 cupsdLogMessage(CUPSD_LOG_WARN,
3225 "Unknown default encryption %s on line %d of %s.",
3226 value, linenum, ConfigurationFile);
3227 if (FatalErrors & CUPSD_FATAL_CONFIG)
3228 return (0);
3229 }
3230 }
3231 #endif /* HAVE_SSL */
3232 else if (!_cups_strcasecmp(line, "HostNameLookups") && value)
3233 {
3234 /*
3235 * Do hostname lookups?
3236 */
3237
3238 if (!_cups_strcasecmp(value, "off") || !_cups_strcasecmp(value, "no") ||
3239 !_cups_strcasecmp(value, "false"))
3240 HostNameLookups = 0;
3241 else if (!_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "yes") ||
3242 !_cups_strcasecmp(value, "true"))
3243 HostNameLookups = 1;
3244 else if (!_cups_strcasecmp(value, "double"))
3245 HostNameLookups = 2;
3246 else
3247 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d of %s.",
3248 value, linenum, ConfigurationFile);
3249 }
3250 else if (!_cups_strcasecmp(line, "AccessLogLevel") && value)
3251 {
3252 /*
3253 * Amount of logging to do to access log...
3254 */
3255
3256 if (!_cups_strcasecmp(value, "all"))
3257 AccessLogLevel = CUPSD_ACCESSLOG_ALL;
3258 else if (!_cups_strcasecmp(value, "actions"))
3259 AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
3260 else if (!_cups_strcasecmp(value, "config"))
3261 AccessLogLevel = CUPSD_ACCESSLOG_CONFIG;
3262 else if (!_cups_strcasecmp(value, "none"))
3263 AccessLogLevel = CUPSD_ACCESSLOG_NONE;
3264 else
3265 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown AccessLogLevel %s on line %d of %s.",
3266 value, linenum, ConfigurationFile);
3267 }
3268 else if (!_cups_strcasecmp(line, "LogLevel") && value)
3269 {
3270 /*
3271 * Amount of logging to do to error log...
3272 */
3273
3274 if (!_cups_strcasecmp(value, "debug2"))
3275 LogLevel = CUPSD_LOG_DEBUG2;
3276 else if (!_cups_strcasecmp(value, "debug"))
3277 LogLevel = CUPSD_LOG_DEBUG;
3278 else if (!_cups_strcasecmp(value, "info"))
3279 LogLevel = CUPSD_LOG_INFO;
3280 else if (!_cups_strcasecmp(value, "notice"))
3281 LogLevel = CUPSD_LOG_NOTICE;
3282 else if (!_cups_strcasecmp(value, "warn"))
3283 LogLevel = CUPSD_LOG_WARN;
3284 else if (!_cups_strcasecmp(value, "error"))
3285 LogLevel = CUPSD_LOG_ERROR;
3286 else if (!_cups_strcasecmp(value, "crit"))
3287 LogLevel = CUPSD_LOG_CRIT;
3288 else if (!_cups_strcasecmp(value, "alert"))
3289 LogLevel = CUPSD_LOG_ALERT;
3290 else if (!_cups_strcasecmp(value, "emerg"))
3291 LogLevel = CUPSD_LOG_EMERG;
3292 else if (!_cups_strcasecmp(value, "none"))
3293 LogLevel = CUPSD_LOG_NONE;
3294 else
3295 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d of %s.",
3296 value, linenum, ConfigurationFile);
3297 }
3298 else if (!_cups_strcasecmp(line, "LogTimeFormat") && value)
3299 {
3300 /*
3301 * Amount of logging to do to error log...
3302 */
3303
3304 if (!_cups_strcasecmp(value, "standard"))
3305 LogTimeFormat = CUPSD_TIME_STANDARD;
3306 else if (!_cups_strcasecmp(value, "usecs"))
3307 LogTimeFormat = CUPSD_TIME_USECS;
3308 else
3309 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogTimeFormat %s on line %d of %s.",
3310 value, linenum, ConfigurationFile);
3311 }
3312 else if (!_cups_strcasecmp(line, "ServerTokens") && value)
3313 {
3314 /*
3315 * Set the string used for the Server header...
3316 */
3317
3318 struct utsname plat; /* Platform info */
3319
3320
3321 uname(&plat);
3322
3323 if (!_cups_strcasecmp(value, "ProductOnly"))
3324 cupsdSetString(&ServerHeader, "CUPS IPP");
3325 else if (!_cups_strcasecmp(value, "Major"))
3326 cupsdSetStringf(&ServerHeader, "CUPS/%d IPP/2", CUPS_VERSION_MAJOR);
3327 else if (!_cups_strcasecmp(value, "Minor"))
3328 cupsdSetStringf(&ServerHeader, "CUPS/%d.%d IPP/2.1", CUPS_VERSION_MAJOR,
3329 CUPS_VERSION_MINOR);
3330 else if (!_cups_strcasecmp(value, "Minimal"))
3331 cupsdSetString(&ServerHeader, CUPS_MINIMAL " IPP/2.1");
3332 else if (!_cups_strcasecmp(value, "OS"))
3333 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s) IPP/2.1",
3334 plat.sysname, plat.release);
3335 else if (!_cups_strcasecmp(value, "Full"))
3336 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s; %s) IPP/2.1",
3337 plat.sysname, plat.release, plat.machine);
3338 else if (!_cups_strcasecmp(value, "None"))
3339 cupsdSetString(&ServerHeader, "");
3340 else
3341 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d of %s.",
3342 value, linenum, ConfigurationFile);
3343 }
3344 else if (!_cups_strcasecmp(line, "ServerAlias") && value)
3345 {
3346 /*
3347 * ServerAlias name [... name]
3348 */
3349
3350 if (!ServerAlias)
3351 ServerAlias = cupsArrayNew(NULL, NULL);
3352
3353 for (; *value;)
3354 {
3355 for (valuelen = 0; value[valuelen]; valuelen ++)
3356 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3357 break;
3358
3359 if (value[valuelen])
3360 {
3361 value[valuelen] = '\0';
3362 valuelen ++;
3363 }
3364
3365 cupsdAddAlias(ServerAlias, value);
3366
3367 for (value += valuelen; *value; value ++)
3368 if (!_cups_isspace(*value) || *value != ',')
3369 break;
3370 }
3371 }
3372 else if (!_cups_strcasecmp(line, "AccessLog") ||
3373 !_cups_strcasecmp(line, "CacheDir") ||
3374 !_cups_strcasecmp(line, "ConfigFilePerm") ||
3375 !_cups_strcasecmp(line, "DataDir") ||
3376 !_cups_strcasecmp(line, "DocumentRoot") ||
3377 !_cups_strcasecmp(line, "ErrorLog") ||
3378 !_cups_strcasecmp(line, "FatalErrors") ||
3379 !_cups_strcasecmp(line, "FileDevice") ||
3380 !_cups_strcasecmp(line, "FontPath") ||
3381 !_cups_strcasecmp(line, "Group") ||
3382 !_cups_strcasecmp(line, "LogFilePerm") ||
3383 !_cups_strcasecmp(line, "LPDConfigFile") ||
3384 !_cups_strcasecmp(line, "PageLog") ||
3385 !_cups_strcasecmp(line, "PassEnv") ||
3386 !_cups_strcasecmp(line, "Printcap") ||
3387 !_cups_strcasecmp(line, "PrintcapFormat") ||
3388 !_cups_strcasecmp(line, "RemoteRoot") ||
3389 !_cups_strcasecmp(line, "RequestRoot") ||
3390 !_cups_strcasecmp(line, "ServerBin") ||
3391 !_cups_strcasecmp(line, "ServerCertificate") ||
3392 !_cups_strcasecmp(line, "ServerKey") ||
3393 !_cups_strcasecmp(line, "ServerKeychain") ||
3394 !_cups_strcasecmp(line, "ServerRoot") ||
3395 !_cups_strcasecmp(line, "SetEnv") ||
3396 !_cups_strcasecmp(line, "SMBConfigFile") ||
3397 !_cups_strcasecmp(line, "StateDir") ||
3398 !_cups_strcasecmp(line, "SystemGroup") ||
3399 !_cups_strcasecmp(line, "SystemGroupAuthKey") ||
3400 !_cups_strcasecmp(line, "TempDir") ||
3401 !_cups_strcasecmp(line, "User"))
3402 {
3403 cupsdLogMessage(CUPSD_LOG_INFO,
3404 "Please move \"%s%s%s\" on line %d of %s to the %s file; "
3405 "this will become an error in a future release.",
3406 line, value ? " " : "", value ? value : "", linenum,
3407 ConfigurationFile, CupsFilesFile);
3408 }
3409 else
3410 parse_variable(ConfigurationFile, linenum, line, value,
3411 sizeof(cupsd_vars) / sizeof(cupsd_vars[0]), cupsd_vars);
3412 }
3413
3414 return (1);
3415 }
3416
3417
3418 /*
3419 * 'read_cups_files_conf()' - Read the cups-files.conf configuration file.
3420 */
3421
3422 static int /* O - 1 on success, 0 on failure */
read_cups_files_conf(cups_file_t * fp)3423 read_cups_files_conf(cups_file_t *fp) /* I - File to read from */
3424 {
3425 int i, /* Looping var */
3426 linenum; /* Current line number */
3427 char line[HTTP_MAX_BUFFER], /* Line from file */
3428 *value; /* Value from line */
3429 struct group *group; /* Group */
3430 static const char * const prohibited_env[] =
3431 { /* Prohibited environment variables */
3432 "APPLE_LANGUAGE",
3433 "AUTH_DOMAIN",
3434 "AUTH_INFO_REQUIRED",
3435 "AUTH_NEGOTIATE",
3436 "AUTH_PASSWORD",
3437 "AUTH_UID",
3438 "AUTH_USERNAME",
3439 "CHARSET",
3440 "CLASS",
3441 "CLASSIFICATION",
3442 "CONTENT_TYPE",
3443 "CUPS_CACHEDIR",
3444 "CUPS_DATADIR",
3445 "CUPS_DOCROOT",
3446 "CUPS_FILETYPE",
3447 "CUPS_FONTPATH",
3448 "CUPS_MAX_MESSAGE",
3449 "CUPS_REQUESTROOT",
3450 "CUPS_SERVERBIN",
3451 "CUPS_SERVERROOT",
3452 "CUPS_STATEDIR",
3453 "DEVICE_URI",
3454 "FINAL_CONTENT_TYPE",
3455 "HOME",
3456 "LANG",
3457 "PPD",
3458 "PRINTER",
3459 "PRINTER_INFO",
3460 "PRINTER_LOCATION",
3461 "PRINTER_STATE_REASONS",
3462 "RIP_CACHE",
3463 "SERVER_ADMIN",
3464 "SOFTWARE",
3465 "TMPDIR",
3466 "USER"
3467 };
3468
3469
3470 /*
3471 * Loop through each line in the file...
3472 */
3473
3474 linenum = 0;
3475
3476 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3477 {
3478 if (!_cups_strcasecmp(line, "FatalErrors"))
3479 FatalErrors = parse_fatal_errors(value);
3480 else if (!_cups_strcasecmp(line, "Group") && value)
3481 {
3482 /*
3483 * Group ID to run as...
3484 */
3485
3486 if (isdigit(value[0]))
3487 Group = (gid_t)atoi(value);
3488 else
3489 {
3490 endgrent();
3491 group = getgrnam(value);
3492
3493 if (group != NULL)
3494 Group = group->gr_gid;
3495 else
3496 {
3497 cupsdLogMessage(CUPSD_LOG_ERROR,
3498 "Unknown Group \"%s\" on line %d of %s.", value,
3499 linenum, CupsFilesFile);
3500 if (FatalErrors & CUPSD_FATAL_CONFIG)
3501 return (0);
3502 }
3503 }
3504 }
3505 else if (!_cups_strcasecmp(line, "PassEnv") && value)
3506 {
3507 /*
3508 * PassEnv variable [... variable]
3509 */
3510
3511 int valuelen; /* Length of variable name */
3512
3513 for (; *value;)
3514 {
3515 for (valuelen = 0; value[valuelen]; valuelen ++)
3516 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3517 break;
3518
3519 if (value[valuelen])
3520 {
3521 value[valuelen] = '\0';
3522 valuelen ++;
3523 }
3524
3525 for (i = 0; i < (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])); i ++)
3526 {
3527 if (!strcmp(value, prohibited_env[i]))
3528 {
3529 cupsdLogMessage(CUPSD_LOG_ERROR, "Environment variable \"%s\" cannot be passed through on line %d of %s.", value, linenum, CupsFilesFile);
3530
3531 if (FatalErrors & CUPSD_FATAL_CONFIG)
3532 return (0);
3533 else
3534 break;
3535 }
3536 }
3537
3538 if (i >= (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])))
3539 cupsdSetEnv(value, NULL);
3540
3541 for (value += valuelen; *value; value ++)
3542 if (!_cups_isspace(*value) || *value != ',')
3543 break;
3544 }
3545 }
3546 else if (!_cups_strcasecmp(line, "PrintcapFormat") && value)
3547 {
3548 /*
3549 * Format of printcap file?
3550 */
3551
3552 if (!_cups_strcasecmp(value, "bsd"))
3553 PrintcapFormat = PRINTCAP_BSD;
3554 else if (!_cups_strcasecmp(value, "plist"))
3555 PrintcapFormat = PRINTCAP_PLIST;
3556 else if (!_cups_strcasecmp(value, "solaris"))
3557 PrintcapFormat = PRINTCAP_SOLARIS;
3558 else
3559 {
3560 cupsdLogMessage(CUPSD_LOG_ERROR,
3561 "Unknown PrintcapFormat \"%s\" on line %d of %s.",
3562 value, linenum, CupsFilesFile);
3563 if (FatalErrors & CUPSD_FATAL_CONFIG)
3564 return (0);
3565 }
3566 }
3567 else if (!_cups_strcasecmp(line, "Sandboxing") && value)
3568 {
3569 /*
3570 * Level of sandboxing?
3571 */
3572
3573 if (!_cups_strcasecmp(value, "off") && getuid())
3574 Sandboxing = CUPSD_SANDBOXING_OFF;
3575 else if (!_cups_strcasecmp(value, "relaxed"))
3576 Sandboxing = CUPSD_SANDBOXING_RELAXED;
3577 else if (!_cups_strcasecmp(value, "strict"))
3578 Sandboxing = CUPSD_SANDBOXING_STRICT;
3579 else
3580 {
3581 cupsdLogMessage(CUPSD_LOG_ERROR,
3582 "Unknown Sandboxing \"%s\" on line %d of %s.",
3583 value, linenum, CupsFilesFile);
3584 if (FatalErrors & CUPSD_FATAL_CONFIG)
3585 return (0);
3586 }
3587 }
3588 else if (!_cups_strcasecmp(line, "SetEnv") && value)
3589 {
3590 /*
3591 * SetEnv variable value
3592 */
3593
3594 char *valueptr; /* Pointer to environment variable value */
3595
3596 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
3597
3598 if (*valueptr)
3599 {
3600 /*
3601 * Found a value...
3602 */
3603
3604 while (isspace(*valueptr & 255))
3605 *valueptr++ = '\0';
3606
3607 for (i = 0; i < (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])); i ++)
3608 {
3609 if (!strcmp(value, prohibited_env[i]))
3610 {
3611 cupsdLogMessage(CUPSD_LOG_ERROR, "Environment variable \"%s\" cannot be set on line %d of %s.", value, linenum, CupsFilesFile);
3612
3613 if (FatalErrors & CUPSD_FATAL_CONFIG)
3614 return (0);
3615 else
3616 break;
3617 }
3618 }
3619
3620 if (i >= (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])))
3621 cupsdSetEnv(value, valueptr);
3622 }
3623 else
3624 cupsdLogMessage(CUPSD_LOG_ERROR,
3625 "Missing value for SetEnv directive on line %d of %s.",
3626 linenum, ConfigurationFile);
3627 }
3628 else if (!_cups_strcasecmp(line, "SystemGroup") && value)
3629 {
3630 /*
3631 * SystemGroup (admin) group(s)...
3632 */
3633
3634 if (!parse_groups(value, linenum))
3635 {
3636 if (FatalErrors & CUPSD_FATAL_CONFIG)
3637 return (0);
3638 }
3639 }
3640 else if (!_cups_strcasecmp(line, "User") && value)
3641 {
3642 /*
3643 * User ID to run as...
3644 */
3645
3646 if (isdigit(value[0] & 255))
3647 {
3648 int uid = atoi(value);
3649
3650 if (!uid)
3651 {
3652 cupsdLogMessage(CUPSD_LOG_ERROR,
3653 "Will not use User 0 as specified on line %d of %s "
3654 "for security reasons. You must use a non-"
3655 "privileged account instead.",
3656 linenum, CupsFilesFile);
3657 if (FatalErrors & CUPSD_FATAL_CONFIG)
3658 return (0);
3659 }
3660 else
3661 User = (uid_t)atoi(value);
3662 }
3663 else
3664 {
3665 struct passwd *p; /* Password information */
3666
3667 endpwent();
3668 p = getpwnam(value);
3669
3670 if (p)
3671 {
3672 if (!p->pw_uid)
3673 {
3674 cupsdLogMessage(CUPSD_LOG_ERROR,
3675 "Will not use User %s (UID=0) as specified on line "
3676 "%d of %s for security reasons. You must use a "
3677 "non-privileged account instead.",
3678 value, linenum, CupsFilesFile);
3679 if (FatalErrors & CUPSD_FATAL_CONFIG)
3680 return (0);
3681 }
3682 else
3683 User = p->pw_uid;
3684 }
3685 else
3686 {
3687 cupsdLogMessage(CUPSD_LOG_ERROR,
3688 "Unknown User \"%s\" on line %d of %s.",
3689 value, linenum, CupsFilesFile);
3690 if (FatalErrors & CUPSD_FATAL_CONFIG)
3691 return (0);
3692 }
3693 }
3694 }
3695 else if (!_cups_strcasecmp(line, "ServerCertificate") ||
3696 !_cups_strcasecmp(line, "ServerKey"))
3697 {
3698 cupsdLogMessage(CUPSD_LOG_INFO,
3699 "The \"%s\" directive on line %d of %s is no longer "
3700 "supported; this will become an error in a future "
3701 "release.",
3702 line, linenum, CupsFilesFile);
3703 }
3704 else if (!parse_variable(CupsFilesFile, linenum, line, value,
3705 sizeof(cupsfiles_vars) / sizeof(cupsfiles_vars[0]),
3706 cupsfiles_vars) &&
3707 (FatalErrors & CUPSD_FATAL_CONFIG))
3708 return (0);
3709 }
3710
3711 return (1);
3712 }
3713
3714
3715 /*
3716 * 'read_location()' - Read a <Location path> definition.
3717 */
3718
3719 static int /* O - New line number or 0 on error */
read_location(cups_file_t * fp,char * location,int linenum)3720 read_location(cups_file_t *fp, /* I - Configuration file */
3721 char *location, /* I - Location name/path */
3722 int linenum) /* I - Current line number */
3723 {
3724 cupsd_location_t *loc, /* New location */
3725 *parent; /* Parent location */
3726 char line[HTTP_MAX_BUFFER],
3727 /* Line buffer */
3728 *value, /* Value for directive */
3729 *valptr; /* Pointer into value */
3730
3731
3732 if ((parent = cupsdFindLocation(location)) != NULL)
3733 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Location %s> on line %d of %s.",
3734 location, linenum, ConfigurationFile);
3735 else if ((parent = cupsdNewLocation(location)) == NULL)
3736 return (0);
3737 else
3738 {
3739 cupsdAddLocation(parent);
3740
3741 parent->limit = CUPSD_AUTH_LIMIT_ALL;
3742 }
3743
3744 loc = parent;
3745
3746 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3747 {
3748 /*
3749 * Decode the directive...
3750 */
3751
3752 if (!_cups_strcasecmp(line, "</Location>"))
3753 return (linenum);
3754 else if (!_cups_strcasecmp(line, "<Limit") ||
3755 !_cups_strcasecmp(line, "<LimitExcept"))
3756 {
3757 if (!value)
3758 {
3759 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3760 if (FatalErrors & CUPSD_FATAL_CONFIG)
3761 return (0);
3762 else
3763 continue;
3764 }
3765
3766 if ((loc = cupsdCopyLocation(parent)) == NULL)
3767 return (0);
3768
3769 cupsdAddLocation(loc);
3770
3771 loc->limit = 0;
3772 while (*value)
3773 {
3774 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3775
3776 if (*valptr)
3777 *valptr++ = '\0';
3778
3779 if (!strcmp(value, "ALL"))
3780 loc->limit = CUPSD_AUTH_LIMIT_ALL;
3781 else if (!strcmp(value, "GET"))
3782 loc->limit |= CUPSD_AUTH_LIMIT_GET;
3783 else if (!strcmp(value, "HEAD"))
3784 loc->limit |= CUPSD_AUTH_LIMIT_HEAD;
3785 else if (!strcmp(value, "OPTIONS"))
3786 loc->limit |= CUPSD_AUTH_LIMIT_OPTIONS;
3787 else if (!strcmp(value, "POST"))
3788 loc->limit |= CUPSD_AUTH_LIMIT_POST;
3789 else if (!strcmp(value, "PUT"))
3790 loc->limit |= CUPSD_AUTH_LIMIT_PUT;
3791 else if (!strcmp(value, "TRACE"))
3792 loc->limit |= CUPSD_AUTH_LIMIT_TRACE;
3793 else
3794 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d of %s.",
3795 value, linenum, ConfigurationFile);
3796
3797 for (value = valptr; isspace(*value & 255); value ++);
3798 }
3799
3800 if (!_cups_strcasecmp(line, "<LimitExcept"))
3801 loc->limit = CUPSD_AUTH_LIMIT_ALL ^ loc->limit;
3802
3803 parent->limit &= ~loc->limit;
3804 }
3805 else if (!_cups_strcasecmp(line, "</Limit>") ||
3806 !_cups_strcasecmp(line, "</LimitExcept>"))
3807 loc = parent;
3808 else if (!value)
3809 {
3810 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3811 if (FatalErrors & CUPSD_FATAL_CONFIG)
3812 return (0);
3813 }
3814 else if (!parse_aaa(loc, line, value, linenum))
3815 {
3816 cupsdLogMessage(CUPSD_LOG_ERROR,
3817 "Unknown Location directive %s on line %d of %s.",
3818 line, linenum, ConfigurationFile);
3819 if (FatalErrors & CUPSD_FATAL_CONFIG)
3820 return (0);
3821 }
3822 }
3823
3824 cupsdLogMessage(CUPSD_LOG_ERROR,
3825 "Unexpected end-of-file at line %d while reading location.",
3826 linenum);
3827
3828 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
3829 }
3830
3831
3832 /*
3833 * 'read_policy()' - Read a <Policy name> definition.
3834 */
3835
3836 static int /* O - New line number or 0 on error */
read_policy(cups_file_t * fp,char * policy,int linenum)3837 read_policy(cups_file_t *fp, /* I - Configuration file */
3838 char *policy, /* I - Location name/path */
3839 int linenum) /* I - Current line number */
3840 {
3841 int i; /* Looping var */
3842 cupsd_policy_t *pol; /* Policy */
3843 cupsd_location_t *op; /* Policy operation */
3844 int num_ops; /* Number of IPP operations */
3845 ipp_op_t ops[100]; /* Operations */
3846 char line[HTTP_MAX_BUFFER],
3847 /* Line buffer */
3848 *value, /* Value for directive */
3849 *valptr; /* Pointer into value */
3850
3851
3852 /*
3853 * Create the policy...
3854 */
3855
3856 if ((pol = cupsdFindPolicy(policy)) != NULL)
3857 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Policy %s> on line %d of %s.",
3858 policy, linenum, ConfigurationFile);
3859 else if ((pol = cupsdAddPolicy(policy)) == NULL)
3860 return (0);
3861
3862 /*
3863 * Read from the file...
3864 */
3865
3866 op = NULL;
3867 num_ops = 0;
3868
3869 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3870 {
3871 /*
3872 * Decode the directive...
3873 */
3874
3875 if (!_cups_strcasecmp(line, "</Policy>"))
3876 {
3877 if (op)
3878 cupsdLogMessage(CUPSD_LOG_WARN,
3879 "Missing </Limit> before </Policy> on line %d of %s.",
3880 linenum, ConfigurationFile);
3881
3882 set_policy_defaults(pol);
3883
3884 return (linenum);
3885 }
3886 else if (!_cups_strcasecmp(line, "<Limit") && !op)
3887 {
3888 if (!value)
3889 {
3890 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3891 if (FatalErrors & CUPSD_FATAL_CONFIG)
3892 return (0);
3893 else
3894 continue;
3895 }
3896
3897 /*
3898 * Scan for IPP operation names...
3899 */
3900
3901 num_ops = 0;
3902
3903 while (*value)
3904 {
3905 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3906
3907 if (*valptr)
3908 *valptr++ = '\0';
3909
3910 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3911 {
3912 if (!_cups_strcasecmp(value, "All"))
3913 ops[num_ops ++] = IPP_ANY_OPERATION;
3914 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3915 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad IPP operation name \"%s\" on line %d of %s.", value, linenum, ConfigurationFile);
3916 else
3917 num_ops ++;
3918 }
3919 else
3920 cupsdLogMessage(CUPSD_LOG_ERROR,
3921 "Too many operations listed on line %d of %s.",
3922 linenum, ConfigurationFile);
3923
3924 for (value = valptr; isspace(*value & 255); value ++);
3925 }
3926
3927 /*
3928 * If none are specified, apply the policy to all operations...
3929 */
3930
3931 if (num_ops == 0)
3932 {
3933 ops[0] = IPP_ANY_OPERATION;
3934 num_ops = 1;
3935 }
3936
3937 /*
3938 * Add a new policy for the first operation...
3939 */
3940
3941 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3942 }
3943 else if (!_cups_strcasecmp(line, "</Limit>") && op)
3944 {
3945 /*
3946 * Finish the current operation limit...
3947 */
3948
3949 if (num_ops > 1)
3950 {
3951 /*
3952 * Copy the policy to the other operations...
3953 */
3954
3955 for (i = 1; i < num_ops; i ++)
3956 cupsdAddPolicyOp(pol, op, ops[i]);
3957 }
3958
3959 op = NULL;
3960 }
3961 else if (!value)
3962 {
3963 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3964 if (FatalErrors & CUPSD_FATAL_CONFIG)
3965 return (0);
3966 }
3967 else if (!_cups_strcasecmp(line, "JobPrivateAccess") ||
3968 !_cups_strcasecmp(line, "JobPrivateValues") ||
3969 !_cups_strcasecmp(line, "SubscriptionPrivateAccess") ||
3970 !_cups_strcasecmp(line, "SubscriptionPrivateValues"))
3971 {
3972 if (op)
3973 {
3974 cupsdLogMessage(CUPSD_LOG_ERROR,
3975 "%s directive must appear outside <Limit>...</Limit> "
3976 "on line %d of %s.", line, linenum, ConfigurationFile);
3977 if (FatalErrors & CUPSD_FATAL_CONFIG)
3978 return (0);
3979 }
3980 else
3981 {
3982 /*
3983 * Pull out whitespace-delimited values...
3984 */
3985
3986 while (*value)
3987 {
3988 /*
3989 * Find the end of the current value...
3990 */
3991
3992 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3993
3994 if (*valptr)
3995 *valptr++ = '\0';
3996
3997 /*
3998 * Save it appropriately...
3999 */
4000
4001 if (!_cups_strcasecmp(line, "JobPrivateAccess"))
4002 {
4003 /*
4004 * JobPrivateAccess {all|default|user/group list|@@ACL}
4005 */
4006
4007 if (!_cups_strcasecmp(value, "default"))
4008 {
4009 cupsdAddString(&(pol->job_access), "@OWNER");
4010 cupsdAddString(&(pol->job_access), "@SYSTEM");
4011 }
4012 else
4013 cupsdAddString(&(pol->job_access), value);
4014 }
4015 else if (!_cups_strcasecmp(line, "JobPrivateValues"))
4016 {
4017 /*
4018 * JobPrivateValues {all|none|default|attribute list}
4019 */
4020
4021 if (!_cups_strcasecmp(value, "default"))
4022 {
4023 cupsdAddString(&(pol->job_attrs), "job-name");
4024 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
4025 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
4026 cupsdAddString(&(pol->job_attrs), "phone");
4027 }
4028 else
4029 cupsdAddString(&(pol->job_attrs), value);
4030 }
4031 else if (!_cups_strcasecmp(line, "SubscriptionPrivateAccess"))
4032 {
4033 /*
4034 * SubscriptionPrivateAccess {all|default|user/group list|@@ACL}
4035 */
4036
4037 if (!_cups_strcasecmp(value, "default"))
4038 {
4039 cupsdAddString(&(pol->sub_access), "@OWNER");
4040 cupsdAddString(&(pol->sub_access), "@SYSTEM");
4041 }
4042 else
4043 cupsdAddString(&(pol->sub_access), value);
4044 }
4045 else /* if (!_cups_strcasecmp(line, "SubscriptionPrivateValues")) */
4046 {
4047 /*
4048 * SubscriptionPrivateValues {all|none|default|attribute list}
4049 */
4050
4051 if (!_cups_strcasecmp(value, "default"))
4052 {
4053 cupsdAddString(&(pol->sub_attrs), "notify-events");
4054 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4055 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4056 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4057 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4058 }
4059 else
4060 cupsdAddString(&(pol->sub_attrs), value);
4061 }
4062
4063 /*
4064 * Find the next string on the line...
4065 */
4066
4067 for (value = valptr; isspace(*value & 255); value ++);
4068 }
4069 }
4070 }
4071 else if (!op)
4072 {
4073 cupsdLogMessage(CUPSD_LOG_ERROR,
4074 "Missing <Limit ops> directive before %s on line %d of %s.",
4075 line, linenum, ConfigurationFile);
4076 if (FatalErrors & CUPSD_FATAL_CONFIG)
4077 return (0);
4078 }
4079 else if (!parse_aaa(op, line, value, linenum))
4080 {
4081 cupsdLogMessage(CUPSD_LOG_ERROR,
4082 "Unknown Policy Limit directive %s on line %d of %s.",
4083 line, linenum, ConfigurationFile);
4084
4085 if (FatalErrors & CUPSD_FATAL_CONFIG)
4086 return (0);
4087 }
4088 }
4089
4090 cupsdLogMessage(CUPSD_LOG_ERROR,
4091 "Unexpected end-of-file at line %d while reading policy "
4092 "\"%s\".", linenum, policy);
4093
4094 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
4095 }
4096
4097
4098 /*
4099 * 'set_policy_defaults()' - Set default policy values as needed.
4100 */
4101
4102 static void
set_policy_defaults(cupsd_policy_t * pol)4103 set_policy_defaults(cupsd_policy_t *pol)/* I - Policy */
4104 {
4105 cupsd_location_t *op; /* Policy operation */
4106
4107
4108 /*
4109 * Verify that we have an explicit policy for Validate-Job, Cancel-Jobs,
4110 * Cancel-My-Jobs, Close-Job, and CUPS-Get-Document, which ensures that
4111 * upgrades do not introduce new security issues...
4112 *
4113 * CUPS STR #4659: Allow a lone <Limit All> policy.
4114 */
4115
4116 if (cupsArrayCount(pol->ops) > 1)
4117 {
4118 if ((op = cupsdFindPolicyOp(pol, IPP_VALIDATE_JOB)) == NULL ||
4119 op->op == IPP_ANY_OPERATION)
4120 {
4121 if ((op = cupsdFindPolicyOp(pol, IPP_PRINT_JOB)) != NULL &&
4122 op->op != IPP_ANY_OPERATION)
4123 {
4124 /*
4125 * Add a new limit for Validate-Job using the Print-Job limit as a
4126 * template...
4127 */
4128
4129 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s - using Print-Job's policy.", pol->name);
4130
4131 cupsdAddPolicyOp(pol, op, IPP_VALIDATE_JOB);
4132 }
4133 else
4134 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s and no suitable template found.", pol->name);
4135 }
4136
4137 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_JOBS)) == NULL ||
4138 op->op == IPP_ANY_OPERATION)
4139 {
4140 if ((op = cupsdFindPolicyOp(pol, IPP_PAUSE_PRINTER)) != NULL &&
4141 op->op != IPP_ANY_OPERATION)
4142 {
4143 /*
4144 * Add a new limit for Cancel-Jobs using the Pause-Printer limit as a
4145 * template...
4146 */
4147
4148 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s - using Pause-Printer's policy.", pol->name);
4149
4150 cupsdAddPolicyOp(pol, op, IPP_CANCEL_JOBS);
4151 }
4152 else
4153 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s and no suitable template found.", pol->name);
4154 }
4155
4156 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_MY_JOBS)) == NULL ||
4157 op->op == IPP_ANY_OPERATION)
4158 {
4159 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4160 op->op != IPP_ANY_OPERATION)
4161 {
4162 /*
4163 * Add a new limit for Cancel-My-Jobs using the Send-Document limit as
4164 * a template...
4165 */
4166
4167 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s - using Send-Document's policy.", pol->name);
4168
4169 cupsdAddPolicyOp(pol, op, IPP_CANCEL_MY_JOBS);
4170 }
4171 else
4172 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s and no suitable template found.", pol->name);
4173 }
4174
4175 if ((op = cupsdFindPolicyOp(pol, IPP_CLOSE_JOB)) == NULL ||
4176 op->op == IPP_ANY_OPERATION)
4177 {
4178 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4179 op->op != IPP_ANY_OPERATION)
4180 {
4181 /*
4182 * Add a new limit for Close-Job using the Send-Document limit as a
4183 * template...
4184 */
4185
4186 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s - using Send-Document's policy.", pol->name);
4187
4188 cupsdAddPolicyOp(pol, op, IPP_CLOSE_JOB);
4189 }
4190 else
4191 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s and no suitable template found.", pol->name);
4192 }
4193
4194 if ((op = cupsdFindPolicyOp(pol, CUPS_GET_DOCUMENT)) == NULL ||
4195 op->op == IPP_ANY_OPERATION)
4196 {
4197 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4198 op->op != IPP_ANY_OPERATION)
4199 {
4200 /*
4201 * Add a new limit for CUPS-Get-Document using the Send-Document
4202 * limit as a template...
4203 */
4204
4205 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s - using Send-Document's policy.", pol->name);
4206
4207 cupsdAddPolicyOp(pol, op, CUPS_GET_DOCUMENT);
4208 }
4209 else
4210 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s and no suitable template found.", pol->name);
4211 }
4212 }
4213
4214 /*
4215 * Verify we have JobPrivateAccess, JobPrivateValues,
4216 * SubscriptionPrivateAccess, and SubscriptionPrivateValues in the policy.
4217 */
4218
4219 if (!pol->job_access)
4220 {
4221 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateAccess defined in policy %s - using defaults.", pol->name);
4222 cupsdAddString(&(pol->job_access), "@OWNER");
4223 cupsdAddString(&(pol->job_access), "@SYSTEM");
4224 }
4225
4226 if (!pol->job_attrs)
4227 {
4228 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateValues defined in policy %s - using defaults.", pol->name);
4229 cupsdAddString(&(pol->job_attrs), "job-name");
4230 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
4231 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
4232 cupsdAddString(&(pol->job_attrs), "phone");
4233 }
4234
4235 if (!pol->sub_access)
4236 {
4237 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateAccess defined in policy %s - using defaults.", pol->name);
4238 cupsdAddString(&(pol->sub_access), "@OWNER");
4239 cupsdAddString(&(pol->sub_access), "@SYSTEM");
4240 }
4241
4242 if (!pol->sub_attrs)
4243 {
4244 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateValues defined in policy %s - using defaults.", pol->name);
4245 cupsdAddString(&(pol->sub_attrs), "notify-events");
4246 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4247 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4248 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4249 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4250 }
4251 }
4252