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 { "KeepAliveTimeout", &KeepAliveTimeout, CUPSD_VARTYPE_TIME },
99 { "KeepAlive", &KeepAlive, CUPSD_VARTYPE_BOOLEAN },
100 #ifdef HAVE_LAUNCHD
101 { "LaunchdTimeout", &IdleExitTimeout, CUPSD_VARTYPE_TIME },
102 #endif /* HAVE_LAUNCHD */
103 { "LimitRequestBody", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
104 { "ListenBackLog", &ListenBackLog, CUPSD_VARTYPE_INTEGER },
105 { "LogDebugHistory", &LogDebugHistory, CUPSD_VARTYPE_INTEGER },
106 { "MaxActiveJobs", &MaxActiveJobs, CUPSD_VARTYPE_INTEGER },
107 { "MaxClients", &MaxClients, CUPSD_VARTYPE_INTEGER },
108 { "MaxClientsPerHost", &MaxClientsPerHost, CUPSD_VARTYPE_INTEGER },
109 { "MaxCopies", &MaxCopies, CUPSD_VARTYPE_INTEGER },
110 { "MaxEvents", &MaxEvents, CUPSD_VARTYPE_INTEGER },
111 { "MaxHoldTime", &MaxHoldTime, CUPSD_VARTYPE_TIME },
112 { "MaxJobs", &MaxJobs, CUPSD_VARTYPE_INTEGER },
113 { "MaxJobsPerPrinter", &MaxJobsPerPrinter, CUPSD_VARTYPE_INTEGER },
114 { "MaxJobsPerUser", &MaxJobsPerUser, CUPSD_VARTYPE_INTEGER },
115 { "MaxJobTime", &MaxJobTime, CUPSD_VARTYPE_TIME },
116 { "MaxLeaseDuration", &MaxLeaseDuration, CUPSD_VARTYPE_TIME },
117 { "MaxLogSize", &MaxLogSize, CUPSD_VARTYPE_INTEGER },
118 { "MaxRequestSize", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
119 { "MaxSubscriptions", &MaxSubscriptions, CUPSD_VARTYPE_INTEGER },
120 { "MaxSubscriptionsPerJob", &MaxSubscriptionsPerJob, CUPSD_VARTYPE_INTEGER },
121 { "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
122 { "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
123 { "MultipleOperationTimeout", &MultipleOperationTimeout, CUPSD_VARTYPE_TIME },
124 { "PageLogFormat", &PageLogFormat, CUPSD_VARTYPE_STRING },
125 { "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_TIME },
126 { "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_TIME },
127 { "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_TIME },
128 { "RIPCache", &RIPCache, CUPSD_VARTYPE_STRING },
129 { "RootCertDuration", &RootCertDuration, CUPSD_VARTYPE_TIME },
130 { "ServerAdmin", &ServerAdmin, CUPSD_VARTYPE_STRING },
131 { "ServerName", &ServerName, CUPSD_VARTYPE_STRING },
132 { "StrictConformance", &StrictConformance, CUPSD_VARTYPE_BOOLEAN },
133 { "Timeout", &Timeout, CUPSD_VARTYPE_TIME },
134 { "WebInterface", &WebInterface, CUPSD_VARTYPE_BOOLEAN }
135 };
136 static const cupsd_var_t cupsfiles_vars[] =
137 {
138 { "AccessLog", &AccessLog, CUPSD_VARTYPE_STRING },
139 { "CacheDir", &CacheDir, CUPSD_VARTYPE_STRING },
140 { "ConfigFilePerm", &ConfigFilePerm, CUPSD_VARTYPE_PERM },
141 #ifdef HAVE_SSL
142 { "CreateSelfSignedCerts", &CreateSelfSignedCerts, CUPSD_VARTYPE_BOOLEAN },
143 #endif /* HAVE_SSL */
144 { "DataDir", &DataDir, CUPSD_VARTYPE_STRING },
145 { "DocumentRoot", &DocumentRoot, CUPSD_VARTYPE_STRING },
146 { "ErrorLog", &ErrorLog, CUPSD_VARTYPE_STRING },
147 { "FileDevice", &FileDevice, CUPSD_VARTYPE_BOOLEAN },
148 { "FontPath", &FontPath, CUPSD_VARTYPE_STRING },
149 { "LogFilePerm", &LogFilePerm, CUPSD_VARTYPE_PERM },
150 { "LPDConfigFile", &LPDConfigFile, CUPSD_VARTYPE_STRING },
151 { "PageLog", &PageLog, CUPSD_VARTYPE_STRING },
152 { "Printcap", &Printcap, CUPSD_VARTYPE_STRING },
153 { "RemoteRoot", &RemoteRoot, CUPSD_VARTYPE_STRING },
154 { "RequestRoot", &RequestRoot, CUPSD_VARTYPE_STRING },
155 { "ServerBin", &ServerBin, CUPSD_VARTYPE_PATHNAME },
156 #ifdef HAVE_SSL
157 { "ServerKeychain", &ServerKeychain, CUPSD_VARTYPE_PATHNAME },
158 #endif /* HAVE_SSL */
159 { "ServerRoot", &ServerRoot, CUPSD_VARTYPE_PATHNAME },
160 { "SMBConfigFile", &SMBConfigFile, CUPSD_VARTYPE_STRING },
161 { "StateDir", &StateDir, CUPSD_VARTYPE_STRING },
162 { "SyncOnClose", &SyncOnClose, CUPSD_VARTYPE_BOOLEAN },
163 #ifdef HAVE_AUTHORIZATION_H
164 { "SystemGroupAuthKey", &SystemGroupAuthKey, CUPSD_VARTYPE_STRING },
165 #endif /* HAVE_AUTHORIZATION_H */
166 { "TempDir", &TempDir, CUPSD_VARTYPE_PATHNAME }
167 };
168
169 static int default_auth_type = CUPSD_AUTH_AUTO;
170 /* Default AuthType, if not specified */
171
172 static const unsigned ones[4] =
173 {
174 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
175 };
176 static const unsigned zeros[4] =
177 {
178 0x00000000, 0x00000000, 0x00000000, 0x00000000
179 };
180
181
182 /*
183 * Local functions...
184 */
185
186 static http_addrlist_t *get_address(const char *value, int defport);
187 static int get_addr_and_mask(const char *value, unsigned *ip,
188 unsigned *mask);
189 static void mime_error_cb(void *ctx, const char *message);
190 static int parse_aaa(cupsd_location_t *loc, char *line,
191 char *value, int linenum);
192 static int parse_fatal_errors(const char *s);
193 static int parse_groups(const char *s, int linenum);
194 static int parse_protocols(const char *s);
195 static int parse_variable(const char *filename, int linenum,
196 const char *line, const char *value,
197 size_t num_vars,
198 const cupsd_var_t *vars);
199 static int read_cupsd_conf(cups_file_t *fp);
200 static int read_cups_files_conf(cups_file_t *fp);
201 static int read_location(cups_file_t *fp, char *name, int linenum);
202 static int read_policy(cups_file_t *fp, char *name, int linenum);
203 static void set_policy_defaults(cupsd_policy_t *pol);
204
205
206 /*
207 * 'cupsdAddAlias()' - Add a host alias.
208 */
209
210 void
cupsdAddAlias(cups_array_t * aliases,const char * name)211 cupsdAddAlias(cups_array_t *aliases, /* I - Array of aliases */
212 const char *name) /* I - Name to add */
213 {
214 cupsd_alias_t *a; /* New alias */
215 size_t namelen; /* Length of name */
216
217
218 namelen = strlen(name);
219
220 if ((a = (cupsd_alias_t *)malloc(sizeof(cupsd_alias_t) + namelen)) == NULL)
221 return;
222
223 a->namelen = namelen;
224 memcpy(a->name, name, namelen + 1); /* OK since a->name is allocated */
225
226 cupsArrayAdd(aliases, a);
227 }
228
229
230 /*
231 * 'cupsdCheckPermissions()' - Fix the mode and ownership of a file or directory.
232 */
233
234 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)235 cupsdCheckPermissions(
236 const char *filename, /* I - File/directory name */
237 const char *suffix, /* I - Additional file/directory name */
238 mode_t mode, /* I - Permissions */
239 uid_t user, /* I - Owner */
240 gid_t group, /* I - Group */
241 int is_dir, /* I - 1 = directory, 0 = file */
242 int create_dir) /* I - 1 = create directory, -1 = create w/o logging, 0 = not */
243 {
244 int dir_created = 0; /* Did we create a directory? */
245 char pathname[1024]; /* File name with prefix */
246 struct stat fileinfo; /* Stat buffer */
247 int is_symlink; /* Is "filename" a symlink? */
248
249
250 /*
251 * Prepend the given root to the filename before testing it...
252 */
253
254 if (suffix)
255 {
256 snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
257 filename = pathname;
258 }
259
260 /*
261 * See if we can stat the file/directory...
262 */
263
264 if (lstat(filename, &fileinfo))
265 {
266 if (errno == ENOENT && create_dir)
267 {
268 if (create_dir > 0)
269 cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating missing directory \"%s\"",
270 filename);
271
272 if (mkdir(filename, mode))
273 {
274 if (create_dir > 0)
275 cupsdLogMessage(CUPSD_LOG_ERROR,
276 "Unable to create directory \"%s\" - %s", filename,
277 strerror(errno));
278 else
279 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
280 sd_journal_print(LOG_ERR, "Unable to create directory \"%s\" - %s", filename, strerror(errno));
281 #else
282 syslog(LOG_ERR, "Unable to create directory \"%s\" - %s", filename, strerror(errno));
283 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
284
285 return (-1);
286 }
287
288 dir_created = 1;
289 fileinfo.st_mode = mode | S_IFDIR;
290 }
291 else
292 return (create_dir ? -1 : 1);
293 }
294
295 if ((is_symlink = S_ISLNK(fileinfo.st_mode)) != 0)
296 {
297 if (stat(filename, &fileinfo))
298 {
299 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is a bad symlink - %s",
300 filename, strerror(errno));
301 return (-1);
302 }
303 }
304
305 /*
306 * Make sure it's a regular file or a directory as needed...
307 */
308
309 if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
310 {
311 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file.", filename);
312 return (-1);
313 }
314
315 if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
316 {
317 if (create_dir >= 0)
318 cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory.", filename);
319 else
320 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
321 sd_journal_print(LOG_ERR, "\"%s\" is not a directory.", filename);
322 #else
323 syslog(LOG_ERR, "\"%s\" is not a directory.", filename);
324 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
325
326 return (-1);
327 }
328
329 /*
330 * If the filename is a symlink, do not change permissions (STR #2937)...
331 */
332
333 if (is_symlink)
334 return (0);
335
336 /*
337 * Fix owner, group, and mode as needed...
338 */
339
340 if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
341 {
342 if (create_dir >= 0)
343 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing ownership of \"%s\"",
344 filename);
345
346 if (chown(filename, user, group) && !getuid())
347 {
348 if (create_dir >= 0)
349 cupsdLogMessage(CUPSD_LOG_ERROR,
350 "Unable to change ownership of \"%s\" - %s", filename,
351 strerror(errno));
352 else
353 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
354 sd_journal_print(LOG_ERR, "Unable to change ownership of \"%s\" - %s", filename, strerror(errno));
355 #else
356 syslog(LOG_ERR, "Unable to change ownership of \"%s\" - %s", filename, strerror(errno));
357 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
358
359 return (1);
360 }
361 }
362
363 if (dir_created || (fileinfo.st_mode & 07777) != mode)
364 {
365 if (create_dir >= 0)
366 cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing access permissions of \"%s\"",
367 filename);
368
369 if (chmod(filename, mode))
370 {
371 if (create_dir >= 0)
372 cupsdLogMessage(CUPSD_LOG_ERROR,
373 "Unable to change permissions of \"%s\" - %s", filename,
374 strerror(errno));
375 else
376 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
377 sd_journal_print(LOG_ERR, "Unable to change permissions of \"%s\" - %s", filename, strerror(errno));
378 #else
379 syslog(LOG_ERR, "Unable to change permissions of \"%s\" - %s", filename, strerror(errno));
380 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
381
382 return (1);
383 }
384 }
385
386 /*
387 * Everything is OK...
388 */
389
390 return (0);
391 }
392
393
394 /*
395 * 'cupsdDefaultAuthType()' - Get the default AuthType.
396 *
397 * When the default_auth_type is "auto", this function tries to get the GSS
398 * credentials for the server. If that succeeds we use Kerberos authentication,
399 * otherwise we do a fallback to Basic authentication against the local user
400 * accounts.
401 */
402
403 int /* O - Default AuthType value */
cupsdDefaultAuthType(void)404 cupsdDefaultAuthType(void)
405 {
406 #ifdef HAVE_GSSAPI
407 OM_uint32 major_status, /* Major status code */
408 minor_status; /* Minor status code */
409 gss_name_t server_name; /* Server name */
410 gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
411 /* Service name token */
412 char buf[1024]; /* Service name buffer */
413 #endif /* HAVE_GSSAPI */
414
415
416 /*
417 * If we have already determined the correct default AuthType, use it...
418 */
419
420 if (default_auth_type != CUPSD_AUTH_AUTO)
421 return (default_auth_type);
422
423 #ifdef HAVE_GSSAPI
424 # ifdef __APPLE__
425 /*
426 * If the weak-linked GSSAPI/Kerberos library is not present, don't try
427 * to use it...
428 */
429
430 if (&gss_init_sec_context == NULL)
431 return (default_auth_type = CUPSD_AUTH_BASIC);
432 # endif /* __APPLE__ */
433
434 /*
435 * Try to obtain the server's GSS credentials (GSSServiceName@servername). If
436 * that fails we must use Basic...
437 */
438
439 snprintf(buf, sizeof(buf), "%s@%s", GSSServiceName, ServerName);
440
441 token.value = buf;
442 token.length = strlen(buf);
443 server_name = GSS_C_NO_NAME;
444 major_status = gss_import_name(&minor_status, &token,
445 GSS_C_NT_HOSTBASED_SERVICE,
446 &server_name);
447
448 memset(&token, 0, sizeof(token));
449
450 if (GSS_ERROR(major_status))
451 {
452 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
453 "cupsdDefaultAuthType: gss_import_name(%s) failed", buf);
454 return (default_auth_type = CUPSD_AUTH_BASIC);
455 }
456
457 major_status = gss_display_name(&minor_status, server_name, &token, NULL);
458
459 if (GSS_ERROR(major_status))
460 {
461 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
462 "cupsdDefaultAuthType: gss_display_name(%s) failed",
463 buf);
464 return (default_auth_type = CUPSD_AUTH_BASIC);
465 }
466
467 cupsdLogMessage(CUPSD_LOG_DEBUG,
468 "cupsdDefaultAuthType: Attempting to acquire Kerberos "
469 "credentials for %s...", (char *)token.value);
470
471 ServerCreds = GSS_C_NO_CREDENTIAL;
472 major_status = gss_acquire_cred(&minor_status, server_name, GSS_C_INDEFINITE,
473 GSS_C_NO_OID_SET, GSS_C_ACCEPT,
474 &ServerCreds, NULL, NULL);
475 if (GSS_ERROR(major_status))
476 {
477 cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status,
478 "cupsdDefaultAuthType: gss_acquire_cred(%s) failed",
479 (char *)token.value);
480 gss_release_name(&minor_status, &server_name);
481 gss_release_buffer(&minor_status, &token);
482 return (default_auth_type = CUPSD_AUTH_BASIC);
483 }
484
485 cupsdLogMessage(CUPSD_LOG_DEBUG,
486 "cupsdDefaultAuthType: Kerberos credentials acquired "
487 "successfully for %s.", (char *)token.value);
488
489 gss_release_name(&minor_status, &server_name);
490 gss_release_buffer(&minor_status, &token);
491
492 HaveServerCreds = 1;
493
494 return (default_auth_type = CUPSD_AUTH_NEGOTIATE);
495
496 #else
497 /*
498 * No Kerberos support compiled in so just use Basic all the time...
499 */
500
501 return (default_auth_type = CUPSD_AUTH_BASIC);
502 #endif /* HAVE_GSSAPI */
503 }
504
505
506 /*
507 * 'cupsdFreeAliases()' - Free all of the alias entries.
508 */
509
510 void
cupsdFreeAliases(cups_array_t * aliases)511 cupsdFreeAliases(cups_array_t *aliases) /* I - Array of aliases */
512 {
513 cupsd_alias_t *a; /* Current alias */
514
515
516 for (a = (cupsd_alias_t *)cupsArrayFirst(aliases);
517 a;
518 a = (cupsd_alias_t *)cupsArrayNext(aliases))
519 free(a);
520
521 cupsArrayDelete(aliases);
522 }
523
524
525 /*
526 * 'cupsdReadConfiguration()' - Read the cupsd.conf file.
527 */
528
529 int /* O - 1 on success, 0 otherwise */
cupsdReadConfiguration(void)530 cupsdReadConfiguration(void)
531 {
532 int i; /* Looping var */
533 cups_file_t *fp; /* Configuration file */
534 int status; /* Return status */
535 char temp[1024], /* Temporary buffer */
536 mimedir[1024], /* MIME directory */
537 *slash; /* Directory separator */
538 cups_lang_t *language; /* Language */
539 struct passwd *user; /* Default user */
540 struct group *group; /* Default group */
541 char *old_serverroot, /* Old ServerRoot */
542 *old_requestroot; /* Old RequestRoot */
543 int old_remote_port; /* Old RemotePort */
544 const char *tmpdir; /* TMPDIR environment variable */
545 struct stat tmpinfo; /* Temporary directory info */
546 cupsd_policy_t *p; /* Policy */
547
548
549 /*
550 * Save the old root paths...
551 */
552
553 old_serverroot = NULL;
554 cupsdSetString(&old_serverroot, ServerRoot);
555 old_requestroot = NULL;
556 cupsdSetString(&old_requestroot, RequestRoot);
557
558 /*
559 * Reset the server configuration data...
560 */
561
562 cupsdDeleteAllLocations();
563
564 cupsdDeleteAllListeners();
565
566 old_remote_port = RemotePort;
567 RemotePort = 0;
568
569 /*
570 * String options...
571 */
572
573 cupsdFreeAliases(ServerAlias);
574 ServerAlias = NULL;
575
576 cupsdClearString(&ServerName);
577 cupsdClearString(&ServerAdmin);
578 cupsdSetString(&ServerBin, CUPS_SERVERBIN);
579 cupsdSetString(&RequestRoot, CUPS_REQUESTS);
580 cupsdSetString(&CacheDir, CUPS_CACHEDIR);
581 cupsdSetString(&DataDir, CUPS_DATADIR);
582 cupsdSetString(&DocumentRoot, CUPS_DOCROOT);
583 cupsdSetString(&AccessLog, CUPS_LOGDIR "/access_log");
584 cupsdClearString(&ErrorLog);
585 cupsdSetString(&PageLog, CUPS_LOGDIR "/page_log");
586 cupsdSetString(&PageLogFormat,
587 "%p %u %j %T %P %C %{job-billing} "
588 "%{job-originating-host-name} %{job-name} %{media} %{sides}");
589 cupsdSetString(&Printcap, CUPS_DEFAULT_PRINTCAP);
590 cupsdSetString(&FontPath, CUPS_FONTPATH);
591 cupsdSetString(&RemoteRoot, "remroot");
592 cupsdSetStringf(&ServerHeader, "CUPS/%d.%d IPP/2.1", CUPS_VERSION_MAJOR,
593 CUPS_VERSION_MINOR);
594 cupsdSetString(&StateDir, CUPS_STATEDIR);
595
596 if (!strcmp(CUPS_DEFAULT_PRINTCAP, "/etc/printers.conf"))
597 PrintcapFormat = PRINTCAP_SOLARIS;
598 else if (!strcmp(CUPS_DEFAULT_PRINTCAP,
599 "/Library/Preferences/org.cups.printers.plist"))
600 PrintcapFormat = PRINTCAP_PLIST;
601 else
602 PrintcapFormat = PRINTCAP_BSD;
603
604 strlcpy(temp, ConfigurationFile, sizeof(temp));
605 if ((slash = strrchr(temp, '/')) != NULL)
606 *slash = '\0';
607
608 cupsdSetString(&ServerRoot, temp);
609
610 cupsdClearString(&Classification);
611 ClassifyOverride = 0;
612
613 #ifdef HAVE_SSL
614 # ifdef HAVE_GNUTLS
615 cupsdSetString(&ServerKeychain, "ssl");
616 # else
617 cupsdSetString(&ServerKeychain, "/Library/Keychains/System.keychain");
618 # endif /* HAVE_GNUTLS */
619
620 _httpTLSSetOptions(_HTTP_TLS_NONE, _HTTP_TLS_1_0, _HTTP_TLS_MAX);
621 #endif /* HAVE_SSL */
622
623 language = cupsLangDefault();
624
625 if (!strcmp(language->language, "C") || !strcmp(language->language, "POSIX"))
626 cupsdSetString(&DefaultLanguage, "en");
627 else
628 cupsdSetString(&DefaultLanguage, language->language);
629
630 cupsdClearString(&DefaultPaperSize);
631
632 cupsdSetString(&RIPCache, "128m");
633
634 cupsdSetString(&TempDir, NULL);
635
636 #ifdef HAVE_GSSAPI
637 cupsdSetString(&GSSServiceName, CUPS_DEFAULT_GSSSERVICENAME);
638
639 if (HaveServerCreds)
640 {
641 OM_uint32 minor_status; /* Minor status code */
642
643 gss_release_cred(&minor_status, &ServerCreds);
644
645 HaveServerCreds = 0;
646 }
647
648 ServerCreds = GSS_C_NO_CREDENTIAL;
649 #endif /* HAVE_GSSAPI */
650
651 /*
652 * Find the default user...
653 */
654
655 if ((user = getpwnam(CUPS_DEFAULT_USER)) != NULL)
656 User = user->pw_uid;
657 else
658 {
659 /*
660 * Use the (historical) NFS nobody user ID (-2 as a 16-bit twos-
661 * complement number...)
662 */
663
664 User = 65534;
665 }
666
667 endpwent();
668
669 /*
670 * Find the default group...
671 */
672
673 group = getgrnam(CUPS_DEFAULT_GROUP);
674 endgrent();
675
676 if (group)
677 Group = group->gr_gid;
678 else
679 {
680 /*
681 * Fallback to group "nobody"...
682 */
683
684 group = getgrnam("nobody");
685 endgrent();
686
687 if (group)
688 Group = group->gr_gid;
689 else
690 {
691 /*
692 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
693 * complement number...)
694 */
695
696 Group = 65534;
697 }
698 }
699
700 /*
701 * Numeric options...
702 */
703
704 AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
705 ConfigFilePerm = CUPS_DEFAULT_CONFIG_FILE_PERM;
706 FatalErrors = parse_fatal_errors(CUPS_DEFAULT_FATAL_ERRORS);
707 default_auth_type = CUPSD_AUTH_BASIC;
708 #ifdef HAVE_SSL
709 CreateSelfSignedCerts = TRUE;
710 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
711 #endif /* HAVE_SSL */
712 DirtyCleanInterval = DEFAULT_KEEPALIVE;
713 JobKillDelay = DEFAULT_TIMEOUT;
714 JobRetryLimit = 5;
715 JobRetryInterval = 300;
716 FileDevice = FALSE;
717 FilterLevel = 0;
718 FilterLimit = 0;
719 FilterNice = 0;
720 HostNameLookups = FALSE;
721 KeepAlive = TRUE;
722 KeepAliveTimeout = DEFAULT_KEEPALIVE;
723 ListenBackLog = SOMAXCONN;
724 LogDebugHistory = 200;
725 LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
726 LogLevel = CUPSD_LOG_WARN;
727 LogTimeFormat = CUPSD_TIME_STANDARD;
728 MaxClients = 100;
729 MaxClientsPerHost = 0;
730 MaxLogSize = 1024 * 1024;
731 MaxRequestSize = 0;
732 MultipleOperationTimeout = 900;
733 NumSystemGroups = 0;
734 ReloadTimeout = DEFAULT_KEEPALIVE;
735 RootCertDuration = 300;
736 Sandboxing = CUPSD_SANDBOXING_STRICT;
737 StrictConformance = FALSE;
738 SyncOnClose = FALSE;
739 Timeout = 900;
740 WebInterface = CUPS_DEFAULT_WEBIF;
741
742 BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
743 BrowseWebIF = FALSE;
744 Browsing = CUPS_DEFAULT_BROWSING;
745 DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
746
747 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
748 cupsdSetString(&DNSSDSubTypes, "_cups,_print");
749 cupsdClearString(&DNSSDHostName);
750 #endif /* HAVE_DNSSD || HAVE_AVAHI */
751
752 cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);
753 cupsdSetString(&SMBConfigFile, CUPS_DEFAULT_SMB_CONFIG_FILE);
754
755 cupsdSetString(&ErrorPolicy, "stop-printer");
756
757 JobHistory = DEFAULT_HISTORY;
758 JobFiles = DEFAULT_FILES;
759 JobAutoPurge = 0;
760 MaxHoldTime = 0;
761 MaxJobs = 500;
762 MaxActiveJobs = 0;
763 MaxJobsPerUser = 0;
764 MaxJobsPerPrinter = 0;
765 MaxJobTime = 3 * 60 * 60; /* 3 hours */
766 MaxCopies = CUPS_DEFAULT_MAX_COPIES;
767
768 cupsdDeleteAllPolicies();
769 cupsdClearString(&DefaultPolicy);
770
771 #ifdef HAVE_AUTHORIZATION_H
772 cupsdSetString(&SystemGroupAuthKey, CUPS_DEFAULT_SYSTEM_AUTHKEY);
773 #endif /* HAVE_AUTHORIZATION_H */
774
775 MaxSubscriptions = 100;
776 MaxSubscriptionsPerJob = 0;
777 MaxSubscriptionsPerPrinter = 0;
778 MaxSubscriptionsPerUser = 0;
779 DefaultLeaseDuration = 86400;
780 MaxLeaseDuration = 0;
781
782 #ifdef HAVE_ONDEMAND
783 IdleExitTimeout = 60;
784 #endif /* HAVE_ONDEMAND */
785
786 /*
787 * Setup environment variables...
788 */
789
790 cupsdInitEnv();
791
792 /*
793 * Read the cups-files.conf file...
794 */
795
796 if ((fp = cupsFileOpen(CupsFilesFile, "r")) != NULL)
797 {
798 status = read_cups_files_conf(fp);
799
800 cupsFileClose(fp);
801
802 if (!status)
803 {
804 if (TestConfigFile)
805 printf("\"%s\" contains errors.\n", CupsFilesFile);
806 else
807 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
808 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
809 #else
810 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", CupsFilesFile);
811 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
812
813 return (0);
814 }
815 }
816 else if (errno == ENOENT)
817 cupsdLogMessage(CUPSD_LOG_INFO, "No %s, using defaults.", CupsFilesFile);
818 else
819 {
820 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
821 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
822 #else
823 syslog(LOG_LPR, "Unable to open \"%s\" - %s", CupsFilesFile, strerror(errno));
824 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
825
826 return (0);
827 }
828
829 if (!ErrorLog)
830 cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
831
832 /*
833 * Read the cupsd.conf file...
834 */
835
836 if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
837 {
838 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
839 sd_journal_print(LOG_ERR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
840 #else
841 syslog(LOG_LPR, "Unable to open \"%s\" - %s", ConfigurationFile, strerror(errno));
842 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
843
844 return (0);
845 }
846
847 status = read_cupsd_conf(fp);
848
849 cupsFileClose(fp);
850
851 if (!status)
852 {
853 if (TestConfigFile)
854 printf("\"%s\" contains errors.\n", ConfigurationFile);
855 else
856 #ifdef HAVE_SYSTEMD_SD_JOURNAL_H
857 sd_journal_print(LOG_ERR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
858 #else
859 syslog(LOG_LPR, "Unable to read \"%s\" due to errors.", ConfigurationFile);
860 #endif /* HAVE_SYSTEMD_SD_JOURNAL_H */
861
862 return (0);
863 }
864
865 RunUser = getuid();
866
867 cupsdLogMessage(CUPSD_LOG_INFO, "Remote access is %s.",
868 RemotePort ? "enabled" : "disabled");
869
870 if (!RemotePort)
871 BrowseLocalProtocols = 0; /* Disable sharing - no remote access */
872
873 /*
874 * See if the ServerName is an IP address...
875 */
876
877 if (ServerName)
878 {
879 if (!ServerAlias)
880 ServerAlias = cupsArrayNew(NULL, NULL);
881
882 cupsdAddAlias(ServerAlias, ServerName);
883 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", ServerName);
884 }
885 else
886 {
887 if (gethostname(temp, sizeof(temp)))
888 {
889 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get hostname: %s",
890 strerror(errno));
891 strlcpy(temp, "localhost", sizeof(temp));
892 }
893
894 cupsdSetString(&ServerName, temp);
895
896 if (!ServerAlias)
897 ServerAlias = cupsArrayNew(NULL, NULL);
898
899 cupsdAddAlias(ServerAlias, temp);
900 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
901
902 if (HostNameLookups || RemotePort)
903 {
904 struct hostent *host; /* Host entry to get FQDN */
905
906 if ((host = gethostbyname(temp)) != NULL)
907 {
908 if (_cups_strcasecmp(temp, host->h_name))
909 {
910 cupsdSetString(&ServerName, host->h_name);
911 cupsdAddAlias(ServerAlias, host->h_name);
912 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
913 host->h_name);
914 }
915
916 if (host->h_aliases)
917 {
918 for (i = 0; host->h_aliases[i]; i ++)
919 if (_cups_strcasecmp(temp, host->h_aliases[i]))
920 {
921 cupsdAddAlias(ServerAlias, host->h_aliases[i]);
922 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
923 host->h_aliases[i]);
924 }
925 }
926 }
927 }
928
929 /*
930 * Make sure we have the base hostname added as an alias, too!
931 */
932
933 if ((slash = strchr(temp, '.')) != NULL)
934 {
935 *slash = '\0';
936 cupsdAddAlias(ServerAlias, temp);
937 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
938 }
939 }
940
941 for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
942
943 ServerNameIsIP = !*slash;
944
945 /*
946 * Make sure ServerAdmin is initialized...
947 */
948
949 if (!ServerAdmin)
950 cupsdSetStringf(&ServerAdmin, "root@%s", ServerName);
951
952 /*
953 * Use the default system group if none was supplied in cupsd.conf...
954 */
955
956 if (NumSystemGroups == 0)
957 {
958 if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS, 0))
959 {
960 /*
961 * Find the group associated with GID 0...
962 */
963
964 group = getgrgid(0);
965 endgrent();
966
967 if (group != NULL)
968 cupsdSetString(&SystemGroups[0], group->gr_name);
969 else
970 cupsdSetString(&SystemGroups[0], "unknown");
971
972 SystemGroupIDs[0] = 0;
973 NumSystemGroups = 1;
974 }
975 }
976
977 /*
978 * Make sure ConfigFilePerm and LogFilePerm have sane values...
979 */
980
981 ConfigFilePerm &= 0664;
982 LogFilePerm &= 0664;
983
984 /*
985 * Open the system log for cupsd if necessary...
986 */
987
988 if (!LogStderr)
989 {
990 if (!strcmp(AccessLog, "stderr"))
991 cupsdSetString(&AccessLog, "syslog");
992
993 if (!strcmp(ErrorLog, "stderr"))
994 cupsdSetString(&ErrorLog, "syslog");
995
996 if (!strcmp(PageLog, "stderr"))
997 cupsdSetString(&PageLog, "syslog");
998 }
999
1000 #if defined(HAVE_VSYSLOG) && !defined(HAVE_ASL_H) && !defined(HAVE_SYSTEMD_SD_JOURNAL_H)
1001 if (!strcmp(AccessLog, "syslog") ||
1002 !strcmp(ErrorLog, "syslog") ||
1003 !strcmp(PageLog, "syslog"))
1004 openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
1005 #endif /* HAVE_VSYSLOG && !HAVE_ASL_H && !HAVE_SYSTEMD_SD_JOURNAL_H */
1006
1007 /*
1008 * Log the configuration file that was used...
1009 */
1010
1011 cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
1012 ConfigurationFile);
1013
1014 /*
1015 * Validate the Group and SystemGroup settings - they cannot be the same,
1016 * otherwise the CGI programs will be able to authenticate as root without
1017 * a password!
1018 */
1019
1020 if (!RunUser)
1021 {
1022 for (i = 0; i < NumSystemGroups; i ++)
1023 if (Group == SystemGroupIDs[i])
1024 break;
1025
1026 if (i < NumSystemGroups)
1027 {
1028 /*
1029 * Log the error and reset the group to a safe value...
1030 */
1031
1032 cupsdLogMessage(CUPSD_LOG_ERROR,
1033 "Group and SystemGroup cannot use the same groups.");
1034 if (FatalErrors & (CUPSD_FATAL_CONFIG | CUPSD_FATAL_PERMISSIONS))
1035 return (0);
1036
1037 cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
1038
1039 group = getgrnam("nobody");
1040 endgrent();
1041
1042 if (group != NULL)
1043 Group = group->gr_gid;
1044 else
1045 {
1046 /*
1047 * Use the (historical) NFS nobody group ID (-2 as a 16-bit twos-
1048 * complement number...)
1049 */
1050
1051 Group = 65534;
1052 }
1053 }
1054 }
1055
1056 /*
1057 * Check that we have at least one listen/port line; if not, report this
1058 * as an error and exit!
1059 */
1060
1061 if (cupsArrayCount(Listeners) == 0)
1062 {
1063 /*
1064 * No listeners!
1065 */
1066
1067 cupsdLogMessage(CUPSD_LOG_EMERG,
1068 "No valid Listen or Port lines were found in the "
1069 "configuration file.");
1070
1071 /*
1072 * Commit suicide...
1073 */
1074
1075 cupsdEndProcess(getpid(), 0);
1076 }
1077
1078 /*
1079 * Set the default locale using the language and charset...
1080 */
1081
1082 cupsdSetStringf(&DefaultLocale, "%s.UTF-8", DefaultLanguage);
1083
1084 /*
1085 * Update all relative filenames to include the full path from ServerRoot...
1086 */
1087
1088 if (DocumentRoot[0] != '/')
1089 cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
1090
1091 if (RequestRoot[0] != '/')
1092 cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
1093
1094 if (ServerBin[0] != '/')
1095 cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
1096
1097 if (StateDir[0] != '/')
1098 cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
1099
1100 if (CacheDir[0] != '/')
1101 cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
1102
1103 #ifdef HAVE_SSL
1104 if (!_cups_strcasecmp(ServerKeychain, "internal"))
1105 cupsdClearString(&ServerKeychain);
1106 else if (ServerKeychain[0] != '/')
1107 cupsdSetStringf(&ServerKeychain, "%s/%s", ServerRoot, ServerKeychain);
1108
1109 cupsdLogMessage(CUPSD_LOG_DEBUG, "Using keychain \"%s\" for server name \"%s\".", ServerKeychain ? ServerKeychain : "internal", ServerName);
1110 if (!CreateSelfSignedCerts)
1111 cupsdLogMessage(CUPSD_LOG_DEBUG, "Self-signed TLS certificate generation is disabled.");
1112 cupsSetServerCredentials(ServerKeychain, ServerName, CreateSelfSignedCerts);
1113 #endif /* HAVE_SSL */
1114
1115 /*
1116 * Make sure that directories and config files are owned and
1117 * writable by the user and group in the cupsd.conf file...
1118 */
1119
1120 snprintf(temp, sizeof(temp), "%s/rss", CacheDir);
1121
1122 if ((cupsdCheckPermissions(RequestRoot, NULL, 0710, RunUser,
1123 Group, 1, 1) < 0 ||
1124 cupsdCheckPermissions(CacheDir, NULL, 0770, RunUser,
1125 Group, 1, 1) < 0 ||
1126 cupsdCheckPermissions(temp, NULL, 0775, RunUser,
1127 Group, 1, 1) < 0 ||
1128 cupsdCheckPermissions(StateDir, NULL, 0755, RunUser,
1129 Group, 1, 1) < 0 ||
1130 cupsdCheckPermissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
1131 SystemGroupIDs[0], 1, 1) < 0 ||
1132 cupsdCheckPermissions(ServerRoot, NULL, 0755, RunUser,
1133 Group, 1, 0) < 0 ||
1134 cupsdCheckPermissions(ServerRoot, "ppd", 0755, RunUser,
1135 Group, 1, 1) < 0 ||
1136 cupsdCheckPermissions(ServerRoot, "ssl", 0700, RunUser,
1137 Group, 1, 0) < 0 ||
1138 cupsdCheckPermissions(ConfigurationFile, NULL, ConfigFilePerm, RunUser,
1139 Group, 0, 0) < 0 ||
1140 cupsdCheckPermissions(CupsFilesFile, NULL, ConfigFilePerm, RunUser,
1141 Group, 0, 0) < 0 ||
1142 cupsdCheckPermissions(ServerRoot, "classes.conf", 0600, RunUser,
1143 Group, 0, 0) < 0 ||
1144 cupsdCheckPermissions(ServerRoot, "printers.conf", 0600, RunUser,
1145 Group, 0, 0) < 0 ||
1146 cupsdCheckPermissions(ServerRoot, "passwd.md5", 0600, User,
1147 Group, 0, 0) < 0) &&
1148 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1149 return (0);
1150
1151 /*
1152 * Update TempDir to the default if it hasn't been set already...
1153 */
1154
1155 #ifdef __APPLE__
1156 if (TempDir && !RunUser &&
1157 (!strncmp(TempDir, "/private/tmp", 12) || !strncmp(TempDir, "/tmp", 4)))
1158 {
1159 cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot use %s for TempDir.", TempDir);
1160 cupsdClearString(&TempDir);
1161 }
1162 #endif /* __APPLE__ */
1163
1164 if (!TempDir)
1165 {
1166 #ifdef __APPLE__
1167 if ((tmpdir = getenv("TMPDIR")) != NULL &&
1168 strncmp(tmpdir, "/private/tmp", 12) && strncmp(tmpdir, "/tmp", 4))
1169 #else
1170 if ((tmpdir = getenv("TMPDIR")) != NULL)
1171 #endif /* __APPLE__ */
1172 {
1173 /*
1174 * TMPDIR is defined, see if it is OK for us to use...
1175 */
1176
1177 if (stat(tmpdir, &tmpinfo))
1178 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
1179 tmpdir, strerror(errno));
1180 else if (!S_ISDIR(tmpinfo.st_mode))
1181 cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory.",
1182 tmpdir);
1183 else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
1184 (tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
1185 !(tmpinfo.st_mode & S_IWOTH))
1186 cupsdLogMessage(CUPSD_LOG_ERROR,
1187 "TMPDIR (%s) has the wrong permissions.", tmpdir);
1188 else
1189 cupsdSetString(&TempDir, tmpdir);
1190 }
1191 }
1192
1193 if (!TempDir)
1194 {
1195 cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
1196 RequestRoot);
1197 cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
1198 }
1199
1200 setenv("TMPDIR", TempDir, 1);
1201
1202 /*
1203 * Make sure the temporary directory has the right permissions...
1204 */
1205
1206 if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
1207 access(TempDir, 0))
1208 {
1209 /*
1210 * Update ownership and permissions if the CUPS temp directory
1211 * is under the spool directory or does not exist...
1212 */
1213
1214 if (cupsdCheckPermissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0 &&
1215 (FatalErrors & CUPSD_FATAL_PERMISSIONS))
1216 return (0);
1217 }
1218
1219 /*
1220 * Update environment variables...
1221 */
1222
1223 cupsdUpdateEnv();
1224
1225 /*
1226 * Validate the default error policy...
1227 */
1228
1229 if (strcmp(ErrorPolicy, "retry-current-job") &&
1230 strcmp(ErrorPolicy, "abort-job") &&
1231 strcmp(ErrorPolicy, "retry-job") &&
1232 strcmp(ErrorPolicy, "stop-printer"))
1233 {
1234 cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid ErrorPolicy \"%s\", resetting to \"stop-printer\".", ErrorPolicy);
1235 cupsdSetString(&ErrorPolicy, "stop-printer");
1236 }
1237
1238 /*
1239 * Update default paper size setting as needed...
1240 */
1241
1242 if (!DefaultPaperSize)
1243 {
1244 #ifdef HAVE_LIBPAPER
1245 char *paper_result; /* Paper size name from libpaper */
1246
1247 if ((paper_result = systempapername()) != NULL)
1248 cupsdSetString(&DefaultPaperSize, paper_result);
1249 else
1250 #endif /* HAVE_LIBPAPER */
1251 if (!DefaultLanguage ||
1252 !_cups_strcasecmp(DefaultLanguage, "C") ||
1253 !_cups_strcasecmp(DefaultLanguage, "POSIX") ||
1254 !_cups_strcasecmp(DefaultLanguage, "en") ||
1255 !_cups_strncasecmp(DefaultLanguage, "en.", 3) ||
1256 !_cups_strncasecmp(DefaultLanguage, "en_US", 5) ||
1257 !_cups_strncasecmp(DefaultLanguage, "en_CA", 5) ||
1258 !_cups_strncasecmp(DefaultLanguage, "fr_CA", 5))
1259 {
1260 /*
1261 * These are the only locales that will default to "letter" size...
1262 */
1263
1264 cupsdSetString(&DefaultPaperSize, "Letter");
1265 }
1266 else
1267 cupsdSetString(&DefaultPaperSize, "A4");
1268 }
1269
1270 /*
1271 * Update classification setting as needed...
1272 */
1273
1274 if (Classification && !_cups_strcasecmp(Classification, "none"))
1275 cupsdClearString(&Classification);
1276
1277 if (Classification)
1278 cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
1279
1280 /*
1281 * Check the MaxClients setting, and then allocate memory for it...
1282 */
1283
1284 if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
1285 {
1286 if (MaxClients > 0)
1287 cupsdLogMessage(CUPSD_LOG_INFO,
1288 "MaxClients limited to 1/3 (%d) of the file descriptor "
1289 "limit (%d)...",
1290 MaxFDs / 3, MaxFDs);
1291
1292 MaxClients = MaxFDs / 3;
1293 }
1294
1295 cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
1296 MaxClients);
1297
1298 /*
1299 * Check the MaxActiveJobs setting; limit to 1/3 the available
1300 * file descriptors, since we need a pipe for each job...
1301 */
1302
1303 if (MaxActiveJobs > (MaxFDs / 3))
1304 MaxActiveJobs = MaxFDs / 3;
1305
1306 /*
1307 * Update the MaxClientsPerHost value, as needed...
1308 */
1309
1310 if (MaxClientsPerHost <= 0)
1311 MaxClientsPerHost = MaxClients;
1312
1313 if (MaxClientsPerHost > MaxClients)
1314 MaxClientsPerHost = MaxClients;
1315
1316 cupsdLogMessage(CUPSD_LOG_INFO,
1317 "Allowing up to %d client connections per host.",
1318 MaxClientsPerHost);
1319
1320 /*
1321 * Update the default policy, as needed...
1322 */
1323
1324 if (DefaultPolicy)
1325 DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
1326 else
1327 DefaultPolicyPtr = NULL;
1328
1329 if (!DefaultPolicyPtr)
1330 {
1331 cupsd_location_t *po; /* New policy operation */
1332
1333
1334 if (DefaultPolicy)
1335 cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found.",
1336 DefaultPolicy);
1337
1338 cupsdSetString(&DefaultPolicy, "default");
1339
1340 if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
1341 cupsdLogMessage(CUPSD_LOG_INFO,
1342 "Using policy \"default\" as the default.");
1343 else
1344 {
1345 cupsdLogMessage(CUPSD_LOG_INFO,
1346 "Creating CUPS default administrative policy:");
1347
1348 DefaultPolicyPtr = p = cupsdAddPolicy("default");
1349
1350 cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
1351
1352 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateAccess default");
1353 cupsdAddString(&(p->job_access), "@OWNER");
1354 cupsdAddString(&(p->job_access), "@SYSTEM");
1355
1356 cupsdLogMessage(CUPSD_LOG_INFO, "JobPrivateValues default");
1357 cupsdAddString(&(p->job_attrs), "job-name");
1358 cupsdAddString(&(p->job_attrs), "job-originating-host-name");
1359 cupsdAddString(&(p->job_attrs), "job-originating-user-name");
1360 cupsdAddString(&(p->job_attrs), "phone");
1361
1362 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateAccess default");
1363 cupsdAddString(&(p->sub_access), "@OWNER");
1364 cupsdAddString(&(p->sub_access), "@SYSTEM");
1365
1366 cupsdLogMessage(CUPSD_LOG_INFO, "SubscriptionPrivateValues default");
1367 cupsdAddString(&(p->job_attrs), "notify-events");
1368 cupsdAddString(&(p->job_attrs), "notify-pull-method");
1369 cupsdAddString(&(p->job_attrs), "notify-recipient-uri");
1370 cupsdAddString(&(p->job_attrs), "notify-subscriber-user-name");
1371 cupsdAddString(&(p->job_attrs), "notify-user-data");
1372
1373 cupsdLogMessage(CUPSD_LOG_INFO,
1374 "<Limit Create-Job Print-Job Print-URI Validate-Job>");
1375 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1376
1377 po = cupsdAddPolicyOp(p, NULL, IPP_CREATE_JOB);
1378 po->order_type = CUPSD_AUTH_ALLOW;
1379
1380 cupsdAddPolicyOp(p, po, IPP_PRINT_JOB);
1381 cupsdAddPolicyOp(p, po, IPP_PRINT_URI);
1382 cupsdAddPolicyOp(p, po, IPP_VALIDATE_JOB);
1383
1384 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1385
1386 cupsdLogMessage(CUPSD_LOG_INFO,
1387 "<Limit Send-Document Send-URI Cancel-Job Hold-Job "
1388 "Release-Job Restart-Job Purge-Jobs "
1389 "Set-Job-Attributes Create-Job-Subscription "
1390 "Renew-Subscription Cancel-Subscription "
1391 "Get-Notifications Reprocess-Job Cancel-Current-Job "
1392 "Suspend-Current-Job Resume-Job "
1393 "Cancel-My-Jobs Close-Job CUPS-Move-Job "
1394 "CUPS-Authenticate-Job CUPS-Get-Document>");
1395 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1396
1397 po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
1398 po->order_type = CUPSD_AUTH_ALLOW;
1399 po->level = CUPSD_AUTH_USER;
1400
1401 cupsdAddName(po, "@OWNER");
1402 cupsdAddName(po, "@SYSTEM");
1403 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
1404
1405 cupsdAddPolicyOp(p, po, IPP_SEND_URI);
1406 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
1407 cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
1408 cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
1409 cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
1410 cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
1411 cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
1412 cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
1413 cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
1414 cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
1415 cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
1416 cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
1417 cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
1418 cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
1419 cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
1420 cupsdAddPolicyOp(p, po, IPP_CANCEL_MY_JOBS);
1421 cupsdAddPolicyOp(p, po, IPP_CLOSE_JOB);
1422 cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
1423 cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
1424 cupsdAddPolicyOp(p, po, CUPS_GET_DOCUMENT);
1425
1426 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1427
1428 cupsdLogMessage(CUPSD_LOG_INFO,
1429 "<Limit Pause-Printer Resume-Printer "
1430 "Set-Printer-Attributes Enable-Printer "
1431 "Disable-Printer Pause-Printer-After-Current-Job "
1432 "Hold-New-Jobs Release-Held-New-Jobs "
1433 "Deactivate-Printer Activate-Printer Restart-Printer "
1434 "Shutdown-Printer Startup-Printer Promote-Job "
1435 "Schedule-Job-After Cancel-Jobs CUPS-Add-Printer "
1436 "CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
1437 "CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
1438 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1439 cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Default");
1440
1441 po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
1442 po->order_type = CUPSD_AUTH_ALLOW;
1443 po->type = CUPSD_AUTH_DEFAULT;
1444 po->level = CUPSD_AUTH_USER;
1445
1446 cupsdAddName(po, "@SYSTEM");
1447 cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
1448
1449 cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
1450 cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
1451 cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
1452 cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
1453 cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
1454 cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
1455 cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
1456 cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
1457 cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
1458 cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
1459 cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
1460 cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
1461 cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
1462 cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
1463 cupsdAddPolicyOp(p, po, IPP_CANCEL_JOBS);
1464 cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
1465 cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
1466 cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
1467 cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
1468 cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
1469 cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
1470 cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
1471
1472 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1473
1474 cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
1475 cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
1476
1477 po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
1478 po->order_type = CUPSD_AUTH_ALLOW;
1479
1480 cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
1481 cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
1482 }
1483 }
1484
1485 if (LogLevel >= CUPSD_LOG_DEBUG2)
1486 {
1487 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
1488 cupsArrayCount(Policies));
1489 for (i = 0, p = (cupsd_policy_t *)cupsArrayFirst(Policies);
1490 p;
1491 i ++, p = (cupsd_policy_t *)cupsArrayNext(Policies))
1492 {
1493 int j; /* Looping var */
1494 cupsd_location_t *loc; /* Current location */
1495
1496 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: Policies[%d]=\"%s\"", i, p->name);
1497
1498 for (j = 0, loc = (cupsd_location_t *)cupsArrayFirst(p->ops); loc; j ++, loc = (cupsd_location_t *)cupsArrayNext(p->ops))
1499 {
1500 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: ops[%d]=%s", j, ippOpString(loc->op));
1501 }
1502 }
1503 }
1504
1505 /*
1506 * If we are doing a full reload or the server root has changed, flush
1507 * the jobs, printers, etc. and start from scratch...
1508 */
1509
1510 if (NeedReload == RELOAD_ALL ||
1511 old_remote_port != RemotePort ||
1512 !old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
1513 !old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
1514 {
1515 mime_type_t *type; /* Current type */
1516 char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
1517 /* MIME type name */
1518
1519
1520 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
1521
1522 /*
1523 * Free all memory...
1524 */
1525
1526 cupsdDeleteAllSubscriptions();
1527 cupsdFreeAllJobs();
1528 cupsdDeleteAllPrinters();
1529
1530 DefaultPrinter = NULL;
1531
1532 if (MimeDatabase != NULL)
1533 mimeDelete(MimeDatabase);
1534
1535 if (NumMimeTypes)
1536 {
1537 for (i = 0; i < NumMimeTypes; i ++)
1538 _cupsStrFree(MimeTypes[i]);
1539
1540 free(MimeTypes);
1541 }
1542
1543 /*
1544 * Read the MIME type and conversion database...
1545 */
1546
1547 snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
1548 snprintf(mimedir, sizeof(mimedir), "%s/mime", DataDir);
1549
1550 MimeDatabase = mimeNew();
1551 mimeSetErrorCallback(MimeDatabase, mime_error_cb, NULL);
1552
1553 MimeDatabase = mimeLoadTypes(MimeDatabase, mimedir);
1554 MimeDatabase = mimeLoadTypes(MimeDatabase, ServerRoot);
1555 MimeDatabase = mimeLoadFilters(MimeDatabase, mimedir, temp);
1556 MimeDatabase = mimeLoadFilters(MimeDatabase, ServerRoot, temp);
1557
1558 if (!MimeDatabase)
1559 {
1560 cupsdLogMessage(CUPSD_LOG_EMERG,
1561 "Unable to load MIME database from \"%s\" or \"%s\".",
1562 mimedir, ServerRoot);
1563 if (FatalErrors & CUPSD_FATAL_CONFIG)
1564 return (0);
1565 }
1566
1567 cupsdLogMessage(CUPSD_LOG_INFO,
1568 "Loaded MIME database from \"%s\" and \"%s\": %d types, "
1569 "%d filters...", mimedir, ServerRoot,
1570 mimeNumTypes(MimeDatabase), mimeNumFilters(MimeDatabase));
1571
1572 /*
1573 * Create a list of MIME types for the document-format-supported
1574 * attribute...
1575 */
1576
1577 NumMimeTypes = mimeNumTypes(MimeDatabase);
1578 if (!mimeType(MimeDatabase, "application", "octet-stream"))
1579 NumMimeTypes ++;
1580
1581 if ((MimeTypes = calloc((size_t)NumMimeTypes, sizeof(const char *))) == NULL)
1582 {
1583 cupsdLogMessage(CUPSD_LOG_ERROR,
1584 "Unable to allocate memory for %d MIME types.",
1585 NumMimeTypes);
1586 NumMimeTypes = 0;
1587 }
1588 else
1589 {
1590 for (i = 0, type = mimeFirstType(MimeDatabase);
1591 type;
1592 i ++, type = mimeNextType(MimeDatabase))
1593 {
1594 snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
1595
1596 MimeTypes[i] = _cupsStrAlloc(mimetype);
1597 }
1598
1599 if (i < NumMimeTypes)
1600 MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
1601 }
1602
1603 if (LogLevel == CUPSD_LOG_DEBUG2)
1604 {
1605 mime_filter_t *filter; /* Current filter */
1606
1607
1608 for (type = mimeFirstType(MimeDatabase);
1609 type;
1610 type = mimeNextType(MimeDatabase))
1611 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
1612 type->super, type->type);
1613
1614 for (filter = mimeFirstFilter(MimeDatabase);
1615 filter;
1616 filter = mimeNextFilter(MimeDatabase))
1617 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1618 "cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
1619 filter->src->super, filter->src->type,
1620 filter->dst->super, filter->dst->type,
1621 filter->cost, filter->filter);
1622 }
1623
1624 /*
1625 * Load banners...
1626 */
1627
1628 snprintf(temp, sizeof(temp), "%s/banners", DataDir);
1629 cupsdLoadBanners(temp);
1630
1631 /*
1632 * Load printers and classes...
1633 */
1634
1635 cupsdLoadAllPrinters();
1636 cupsdLoadAllClasses();
1637
1638 cupsdCreateCommonData();
1639
1640 /*
1641 * Update the printcap file as needed...
1642 */
1643
1644 if (Printcap && *Printcap && access(Printcap, 0))
1645 cupsdWritePrintcap();
1646
1647 /*
1648 * Load queued jobs...
1649 */
1650
1651 cupsdLoadAllJobs();
1652
1653 /*
1654 * Load subscriptions...
1655 */
1656
1657 cupsdLoadAllSubscriptions();
1658
1659 cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
1660 }
1661 else
1662 {
1663 /*
1664 * Not a full reload, so recreate the common printer attributes...
1665 */
1666
1667 cupsdCreateCommonData();
1668
1669 /*
1670 * Update all jobs as needed...
1671 */
1672
1673 cupsdUpdateJobs();
1674
1675 /*
1676 * Update all printers as needed...
1677 */
1678
1679 cupsdUpdatePrinters();
1680 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
1681
1682 cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
1683 }
1684
1685 /*
1686 * Reset the reload state...
1687 */
1688
1689 NeedReload = RELOAD_NONE;
1690
1691 cupsdClearString(&old_serverroot);
1692 cupsdClearString(&old_requestroot);
1693
1694 return (1);
1695 }
1696
1697
1698 /*
1699 * 'get_address()' - Get an address + port number from a line.
1700 */
1701
1702 static http_addrlist_t * /* O - Pointer to list if address good, NULL if bad */
get_address(const char * value,int defport)1703 get_address(const char *value, /* I - Value string */
1704 int defport) /* I - Default port */
1705 {
1706 char buffer[1024], /* Hostname + port number buffer */
1707 defpname[255], /* Default port name */
1708 *hostname, /* Hostname or IP */
1709 *portname; /* Port number or name */
1710 http_addrlist_t *addrlist; /* Address list */
1711
1712
1713 /*
1714 * Check for an empty value...
1715 */
1716
1717 if (!*value)
1718 {
1719 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address.");
1720 return (NULL);
1721 }
1722
1723 /*
1724 * Grab a hostname and port number; if there is no colon and the port name
1725 * is only digits, then we have a port number by itself...
1726 */
1727
1728 strlcpy(buffer, value, sizeof(buffer));
1729
1730 if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
1731 {
1732 *portname++ = '\0';
1733 hostname = buffer;
1734 }
1735 else
1736 {
1737 for (portname = buffer; isdigit(*portname & 255); portname ++);
1738
1739 if (*portname)
1740 {
1741 /*
1742 * Use the default port...
1743 */
1744
1745 sprintf(defpname, "%d", defport);
1746 portname = defpname;
1747 hostname = buffer;
1748 }
1749 else
1750 {
1751 /*
1752 * The buffer contains just a port number...
1753 */
1754
1755 portname = buffer;
1756 hostname = NULL;
1757 }
1758 }
1759
1760 if (hostname && !strcmp(hostname, "*"))
1761 hostname = NULL;
1762
1763 /*
1764 * Now lookup the address using httpAddrGetList()...
1765 */
1766
1767 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
1768 cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed.",
1769 hostname ? hostname : "(nil)");
1770
1771 return (addrlist);
1772 }
1773
1774
1775 /*
1776 * 'get_addr_and_mask()' - Get an IP address and netmask.
1777 */
1778
1779 static int /* O - 1 on success, 0 on failure */
get_addr_and_mask(const char * value,unsigned * ip,unsigned * mask)1780 get_addr_and_mask(const char *value, /* I - String from config file */
1781 unsigned *ip, /* O - Address value */
1782 unsigned *mask) /* O - Mask value */
1783 {
1784 int i, j, /* Looping vars */
1785 family, /* Address family */
1786 ipcount; /* Count of fields in address */
1787 unsigned ipval; /* Value */
1788 const char *maskval, /* Pointer to start of mask value */
1789 *ptr, /* Pointer into value */
1790 *ptr2; /* ... */
1791
1792
1793 /*
1794 * Get the address...
1795 */
1796
1797 ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
1798 mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
1799
1800 if ((maskval = strchr(value, '/')) != NULL)
1801 maskval ++;
1802 else
1803 maskval = value + strlen(value);
1804
1805 #ifdef AF_INET6
1806 /*
1807 * Check for an IPv6 address...
1808 */
1809
1810 if (*value == '[')
1811 {
1812 /*
1813 * Parse hexadecimal IPv6/IPv4 address...
1814 */
1815
1816 family = AF_INET6;
1817
1818 for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
1819 {
1820 if (*ptr == ']')
1821 break;
1822 else if (!strncmp(ptr, "::", 2))
1823 {
1824 for (ptr2 = strchr(ptr + 2, ':'), j = 0;
1825 ptr2;
1826 ptr2 = strchr(ptr2 + 1, ':'), j ++);
1827
1828 i = 6 - j;
1829 ptr += 2;
1830 }
1831 else if (isdigit(*ptr & 255) && strchr(ptr + 1, '.') && i >= 6)
1832 {
1833 /*
1834 * Read IPv4 dotted quad...
1835 */
1836
1837 unsigned val[4] = { 0, 0, 0, 0 };
1838 /* IPv4 address values */
1839
1840 ipcount = sscanf(ptr, "%u.%u.%u.%u", val + 0, val + 1, val + 2,
1841 val + 3);
1842
1843 /*
1844 * Range check the IP numbers...
1845 */
1846
1847 for (i = 0; i < ipcount; i ++)
1848 if (val[i] > 255)
1849 return (0);
1850
1851 /*
1852 * Merge everything into a 32-bit IPv4 address in ip[3]...
1853 */
1854
1855 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1856 (unsigned)val[2]) << 8) | (unsigned)val[3];
1857
1858 if (ipcount < 4)
1859 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1860
1861 /*
1862 * If the leading words are all 0's then this is an IPv4 address...
1863 */
1864
1865 if (!val[0] && !val[1] && !val[2])
1866 family = AF_INET;
1867
1868 while (isdigit(*ptr & 255) || *ptr == '.')
1869 ptr ++;
1870 break;
1871 }
1872 else if (isxdigit(*ptr & 255))
1873 {
1874 ipval = strtoul(ptr, (char **)&ptr, 16);
1875
1876 if (*ptr == ':' && ptr[1] != ':')
1877 ptr ++;
1878
1879 if (ipval > 0xffff)
1880 return (0);
1881
1882 if (i & 1)
1883 ip[i / 2] |= ipval;
1884 else
1885 ip[i / 2] |= ipval << 16;
1886 }
1887 else
1888 return (0);
1889 }
1890
1891 if (*ptr != ']')
1892 return (0);
1893
1894 ptr ++;
1895
1896 if (*ptr && *ptr != '/')
1897 return (0);
1898 }
1899 else
1900 #endif /* AF_INET6 */
1901 {
1902 /*
1903 * Parse dotted-decimal IPv4 address...
1904 */
1905
1906 unsigned val[4] = { 0, 0, 0, 0 }; /* IPv4 address values */
1907
1908
1909 family = AF_INET;
1910 ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
1911
1912 /*
1913 * Range check the IP numbers...
1914 */
1915
1916 for (i = 0; i < ipcount; i ++)
1917 if (val[i] > 255)
1918 return (0);
1919
1920 /*
1921 * Merge everything into a 32-bit IPv4 address in ip[3]...
1922 */
1923
1924 ip[3] = ((((((unsigned)val[0] << 8) | (unsigned)val[1]) << 8) |
1925 (unsigned)val[2]) << 8) | (unsigned)val[3];
1926
1927 if (ipcount < 4)
1928 mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
1929 }
1930
1931 if (*maskval)
1932 {
1933 /*
1934 * Get the netmask value(s)...
1935 */
1936
1937 memset(mask, 0, sizeof(unsigned) * 4);
1938
1939 if (strchr(maskval, '.'))
1940 {
1941 /*
1942 * Get dotted-decimal mask...
1943 */
1944
1945 if (family != AF_INET)
1946 return (0);
1947
1948 if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2,
1949 mask + 3) != 4)
1950 return (0);
1951
1952 mask[3] |= (((((unsigned)mask[0] << 8) | (unsigned)mask[1]) << 8) |
1953 (unsigned)mask[2]) << 8;
1954 mask[0] = mask[1] = mask[2] = 0;
1955 }
1956 else
1957 {
1958 /*
1959 * Get address/bits format...
1960 */
1961
1962 i = atoi(maskval);
1963
1964 #ifdef AF_INET6
1965 if (family == AF_INET6)
1966 {
1967 if (i > 128)
1968 return (0);
1969
1970 i = 128 - i;
1971
1972 if (i <= 96)
1973 mask[0] = 0xffffffff;
1974 else
1975 mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
1976
1977 if (i <= 64)
1978 mask[1] = 0xffffffff;
1979 else if (i >= 96)
1980 mask[1] = 0;
1981 else
1982 mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
1983
1984 if (i <= 32)
1985 mask[2] = 0xffffffff;
1986 else if (i >= 64)
1987 mask[2] = 0;
1988 else
1989 mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
1990
1991 if (i == 0)
1992 mask[3] = 0xffffffff;
1993 else if (i >= 32)
1994 mask[3] = 0;
1995 else
1996 mask[3] = (0xffffffff << i) & 0xffffffff;
1997 }
1998 else
1999 #endif /* AF_INET6 */
2000 {
2001 if (i > 32)
2002 return (0);
2003
2004 mask[0] = 0xffffffff;
2005 mask[1] = 0xffffffff;
2006 mask[2] = 0xffffffff;
2007
2008 if (i < 32)
2009 mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
2010 else
2011 mask[3] = 0xffffffff;
2012 }
2013 }
2014 }
2015
2016 cupsdLogMessage(CUPSD_LOG_DEBUG2,
2017 "get_addr_and_mask(value=\"%s\", "
2018 "ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
2019 value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
2020 mask[3]);
2021
2022 /*
2023 * Check for a valid netmask; no fallback like in CUPS 1.1.x!
2024 */
2025
2026 if ((ip[0] & ~mask[0]) != 0 ||
2027 (ip[1] & ~mask[1]) != 0 ||
2028 (ip[2] & ~mask[2]) != 0 ||
2029 (ip[3] & ~mask[3]) != 0)
2030 return (0);
2031
2032 return (1);
2033 }
2034
2035
2036 /*
2037 * 'mime_error_cb()' - Log a MIME error.
2038 */
2039
2040 static void
mime_error_cb(void * ctx,const char * message)2041 mime_error_cb(void *ctx, /* I - Context pointer (unused) */
2042 const char *message) /* I - Message */
2043 {
2044 (void)ctx;
2045
2046 cupsdLogMessage(CUPSD_LOG_ERROR, "%s", message);
2047 }
2048
2049
2050 /*
2051 * 'parse_aaa()' - Parse authentication, authorization, and access control lines.
2052 */
2053
2054 static int /* O - 1 on success, 0 on failure */
parse_aaa(cupsd_location_t * loc,char * line,char * value,int linenum)2055 parse_aaa(cupsd_location_t *loc, /* I - Location */
2056 char *line, /* I - Line from file */
2057 char *value, /* I - Start of value data */
2058 int linenum) /* I - Current line number */
2059 {
2060 char *valptr; /* Pointer into value */
2061 unsigned ip[4], /* IP address components */
2062 mask[4]; /* IP netmask components */
2063
2064
2065 if (!_cups_strcasecmp(line, "Encryption"))
2066 {
2067 /*
2068 * "Encryption xxx" - set required encryption level...
2069 */
2070
2071 if (!_cups_strcasecmp(value, "never"))
2072 loc->encryption = HTTP_ENCRYPT_NEVER;
2073 else if (!_cups_strcasecmp(value, "always"))
2074 {
2075 cupsdLogMessage(CUPSD_LOG_ERROR,
2076 "Encryption value \"%s\" on line %d of %s is invalid in this "
2077 "context. Using \"required\" instead.", value, linenum, ConfigurationFile);
2078
2079 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2080 }
2081 else if (!_cups_strcasecmp(value, "required"))
2082 loc->encryption = HTTP_ENCRYPT_REQUIRED;
2083 else if (!_cups_strcasecmp(value, "ifrequested"))
2084 loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
2085 else
2086 {
2087 cupsdLogMessage(CUPSD_LOG_ERROR,
2088 "Unknown Encryption value %s on line %d of %s.", value, linenum, ConfigurationFile);
2089 return (0);
2090 }
2091 }
2092 else if (!_cups_strcasecmp(line, "Order"))
2093 {
2094 /*
2095 * "Order Deny,Allow" or "Order Allow,Deny"...
2096 */
2097
2098 if (!_cups_strncasecmp(value, "deny", 4))
2099 loc->order_type = CUPSD_AUTH_ALLOW;
2100 else if (!_cups_strncasecmp(value, "allow", 5))
2101 loc->order_type = CUPSD_AUTH_DENY;
2102 else
2103 {
2104 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d of %s.",
2105 value, linenum, ConfigurationFile);
2106 return (0);
2107 }
2108 }
2109 else if (!_cups_strcasecmp(line, "Allow") || !_cups_strcasecmp(line, "Deny"))
2110 {
2111 /*
2112 * Allow [From] host/ip...
2113 * Deny [From] host/ip...
2114 */
2115
2116 while (*value)
2117 {
2118 if (!_cups_strncasecmp(value, "from", 4))
2119 {
2120 /*
2121 * Strip leading "from"...
2122 */
2123
2124 value += 4;
2125
2126 while (_cups_isspace(*value))
2127 value ++;
2128
2129 if (!*value)
2130 break;
2131 }
2132
2133 /*
2134 * Find the end of the value...
2135 */
2136
2137 for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++);
2138
2139 while (_cups_isspace(*valptr))
2140 *valptr++ = '\0';
2141
2142 /*
2143 * Figure out what form the allow/deny address takes:
2144 *
2145 * All
2146 * None
2147 * *.domain.com
2148 * .domain.com
2149 * host.domain.com
2150 * nnn.*
2151 * nnn.nnn.*
2152 * nnn.nnn.nnn.*
2153 * nnn.nnn.nnn.nnn
2154 * nnn.nnn.nnn.nnn/mm
2155 * nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
2156 */
2157
2158 if (!_cups_strcasecmp(value, "all"))
2159 {
2160 /*
2161 * All hosts...
2162 */
2163
2164 if (!_cups_strcasecmp(line, "Allow"))
2165 cupsdAddIPMask(&(loc->allow), zeros, zeros);
2166 else
2167 cupsdAddIPMask(&(loc->deny), zeros, zeros);
2168 }
2169 else if (!_cups_strcasecmp(value, "none"))
2170 {
2171 /*
2172 * No hosts...
2173 */
2174
2175 if (!_cups_strcasecmp(line, "Allow"))
2176 cupsdAddIPMask(&(loc->allow), ones, zeros);
2177 else
2178 cupsdAddIPMask(&(loc->deny), ones, zeros);
2179 }
2180 #ifdef AF_INET6
2181 else if (value[0] == '*' || value[0] == '.' ||
2182 (!isdigit(value[0] & 255) && value[0] != '['))
2183 #else
2184 else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
2185 #endif /* AF_INET6 */
2186 {
2187 /*
2188 * Host or domain name...
2189 */
2190
2191 if (value[0] == '*')
2192 value ++;
2193
2194 if (!_cups_strcasecmp(line, "Allow"))
2195 cupsdAddNameMask(&(loc->allow), value);
2196 else
2197 cupsdAddNameMask(&(loc->deny), value);
2198 }
2199 else
2200 {
2201 /*
2202 * One of many IP address forms...
2203 */
2204
2205 if (!get_addr_and_mask(value, ip, mask))
2206 {
2207 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d of %s.",
2208 value, linenum, ConfigurationFile);
2209 return (0);
2210 }
2211
2212 if (!_cups_strcasecmp(line, "Allow"))
2213 cupsdAddIPMask(&(loc->allow), ip, mask);
2214 else
2215 cupsdAddIPMask(&(loc->deny), ip, mask);
2216 }
2217
2218 /*
2219 * Advance to next value...
2220 */
2221
2222 value = valptr;
2223 }
2224 }
2225 else if (!_cups_strcasecmp(line, "AuthType"))
2226 {
2227 /*
2228 * AuthType {none,basic,digest,basicdigest,negotiate,default}
2229 */
2230
2231 if (!_cups_strcasecmp(value, "none"))
2232 {
2233 loc->type = CUPSD_AUTH_NONE;
2234 loc->level = CUPSD_AUTH_ANON;
2235 }
2236 else if (!_cups_strcasecmp(value, "basic"))
2237 {
2238 loc->type = CUPSD_AUTH_BASIC;
2239
2240 if (loc->level == CUPSD_AUTH_ANON)
2241 loc->level = CUPSD_AUTH_USER;
2242 }
2243 else if (!_cups_strcasecmp(value, "default"))
2244 {
2245 loc->type = CUPSD_AUTH_DEFAULT;
2246
2247 if (loc->level == CUPSD_AUTH_ANON)
2248 loc->level = CUPSD_AUTH_USER;
2249 }
2250 else if (!_cups_strcasecmp(value, "negotiate"))
2251 {
2252 loc->type = CUPSD_AUTH_NEGOTIATE;
2253
2254 if (loc->level == CUPSD_AUTH_ANON)
2255 loc->level = CUPSD_AUTH_USER;
2256 }
2257 else
2258 {
2259 cupsdLogMessage(CUPSD_LOG_WARN,
2260 "Unknown authorization type %s on line %d of %s.",
2261 value, linenum, ConfigurationFile);
2262 return (0);
2263 }
2264 }
2265 else if (!_cups_strcasecmp(line, "AuthClass"))
2266 {
2267 /*
2268 * AuthClass anonymous, user, system, group
2269 */
2270
2271 if (!_cups_strcasecmp(value, "anonymous"))
2272 {
2273 loc->type = CUPSD_AUTH_NONE;
2274 loc->level = CUPSD_AUTH_ANON;
2275
2276 cupsdLogMessage(CUPSD_LOG_WARN,
2277 "\"AuthClass %s\" is deprecated; consider removing "
2278 "it from line %d.",
2279 value, linenum);
2280 }
2281 else if (!_cups_strcasecmp(value, "user"))
2282 {
2283 loc->level = CUPSD_AUTH_USER;
2284
2285 cupsdLogMessage(CUPSD_LOG_WARN,
2286 "\"AuthClass %s\" is deprecated; consider using "
2287 "\"Require valid-user\" on line %d of %s.",
2288 value, linenum, ConfigurationFile);
2289 }
2290 else if (!_cups_strcasecmp(value, "group"))
2291 {
2292 loc->level = CUPSD_AUTH_GROUP;
2293
2294 cupsdLogMessage(CUPSD_LOG_WARN,
2295 "\"AuthClass %s\" is deprecated; consider using "
2296 "\"Require user @groupname\" on line %d of %s.",
2297 value, linenum, ConfigurationFile);
2298 }
2299 else if (!_cups_strcasecmp(value, "system"))
2300 {
2301 loc->level = CUPSD_AUTH_GROUP;
2302
2303 cupsdAddName(loc, "@SYSTEM");
2304
2305 cupsdLogMessage(CUPSD_LOG_WARN,
2306 "\"AuthClass %s\" is deprecated; consider using "
2307 "\"Require user @SYSTEM\" on line %d of %s.",
2308 value, linenum, ConfigurationFile);
2309 }
2310 else
2311 {
2312 cupsdLogMessage(CUPSD_LOG_WARN,
2313 "Unknown authorization class %s on line %d of %s.",
2314 value, linenum, ConfigurationFile);
2315 return (0);
2316 }
2317 }
2318 else if (!_cups_strcasecmp(line, "AuthGroupName"))
2319 {
2320 cupsdAddName(loc, value);
2321
2322 cupsdLogMessage(CUPSD_LOG_WARN,
2323 "\"AuthGroupName %s\" directive is deprecated; consider "
2324 "using \"Require user @%s\" on line %d of %s.",
2325 value, value, linenum, ConfigurationFile);
2326 }
2327 else if (!_cups_strcasecmp(line, "Require"))
2328 {
2329 /*
2330 * Apache synonym for AuthClass and AuthGroupName...
2331 *
2332 * Get initial word:
2333 *
2334 * Require valid-user
2335 * Require group names
2336 * Require user names
2337 */
2338
2339 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2340
2341 if (*valptr)
2342 *valptr++ = '\0';
2343
2344 if (!_cups_strcasecmp(value, "valid-user") ||
2345 !_cups_strcasecmp(value, "user"))
2346 loc->level = CUPSD_AUTH_USER;
2347 else if (!_cups_strcasecmp(value, "group"))
2348 loc->level = CUPSD_AUTH_GROUP;
2349 else
2350 {
2351 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d of %s.",
2352 value, linenum, ConfigurationFile);
2353 return (0);
2354 }
2355
2356 /*
2357 * Get the list of names from the line...
2358 */
2359
2360 for (value = valptr; *value;)
2361 {
2362 while (_cups_isspace(*value))
2363 value ++;
2364
2365 #ifdef HAVE_AUTHORIZATION_H
2366 if (!strncmp(value, "@AUTHKEY(", 9))
2367 {
2368 /*
2369 * Grab "@AUTHKEY(name)" value...
2370 */
2371
2372 for (valptr = value + 9; *valptr != ')' && *valptr; valptr ++);
2373
2374 if (*valptr)
2375 *valptr++ = '\0';
2376 }
2377 else
2378 #endif /* HAVE_AUTHORIZATION_H */
2379 if (*value == '\"' || *value == '\'')
2380 {
2381 /*
2382 * Grab quoted name...
2383 */
2384
2385 for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
2386
2387 value ++;
2388 }
2389 else
2390 {
2391 /*
2392 * Grab literal name.
2393 */
2394
2395 for (valptr = value; !_cups_isspace(*valptr) && *valptr; valptr ++);
2396 }
2397
2398 if (*valptr)
2399 *valptr++ = '\0';
2400
2401 cupsdAddName(loc, value);
2402
2403 for (value = valptr; _cups_isspace(*value); value ++);
2404 }
2405 }
2406 else if (!_cups_strcasecmp(line, "Satisfy"))
2407 {
2408 if (!_cups_strcasecmp(value, "all"))
2409 loc->satisfy = CUPSD_AUTH_SATISFY_ALL;
2410 else if (!_cups_strcasecmp(value, "any"))
2411 loc->satisfy = CUPSD_AUTH_SATISFY_ANY;
2412 else
2413 {
2414 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d of %s.",
2415 value, linenum, ConfigurationFile);
2416 return (0);
2417 }
2418 }
2419 else
2420 return (0);
2421
2422 return (1);
2423 }
2424
2425
2426 /*
2427 * 'parse_fatal_errors()' - Parse FatalErrors values in a string.
2428 */
2429
2430 static int /* O - FatalErrors bits */
parse_fatal_errors(const char * s)2431 parse_fatal_errors(const char *s) /* I - FatalErrors string */
2432 {
2433 int fatal; /* FatalErrors bits */
2434 char value[1024], /* Value string */
2435 *valstart, /* Pointer into value */
2436 *valend; /* End of value */
2437
2438
2439 /*
2440 * Empty FatalErrors line yields NULL pointer...
2441 */
2442
2443 if (!s)
2444 return (CUPSD_FATAL_NONE);
2445
2446 /*
2447 * Loop through the value string,...
2448 */
2449
2450 strlcpy(value, s, sizeof(value));
2451
2452 fatal = CUPSD_FATAL_NONE;
2453
2454 for (valstart = value; *valstart;)
2455 {
2456 /*
2457 * Get the current space/comma-delimited kind name...
2458 */
2459
2460 for (valend = valstart; *valend; valend ++)
2461 if (_cups_isspace(*valend) || *valend == ',')
2462 break;
2463
2464 if (*valend)
2465 *valend++ = '\0';
2466
2467 /*
2468 * Add the error to the bitmask...
2469 */
2470
2471 if (!_cups_strcasecmp(valstart, "all"))
2472 fatal = CUPSD_FATAL_ALL;
2473 else if (!_cups_strcasecmp(valstart, "browse"))
2474 fatal |= CUPSD_FATAL_BROWSE;
2475 else if (!_cups_strcasecmp(valstart, "-browse"))
2476 fatal &= ~CUPSD_FATAL_BROWSE;
2477 else if (!_cups_strcasecmp(valstart, "config"))
2478 fatal |= CUPSD_FATAL_CONFIG;
2479 else if (!_cups_strcasecmp(valstart, "-config"))
2480 fatal &= ~CUPSD_FATAL_CONFIG;
2481 else if (!_cups_strcasecmp(valstart, "listen"))
2482 fatal |= CUPSD_FATAL_LISTEN;
2483 else if (!_cups_strcasecmp(valstart, "-listen"))
2484 fatal &= ~CUPSD_FATAL_LISTEN;
2485 else if (!_cups_strcasecmp(valstart, "log"))
2486 fatal |= CUPSD_FATAL_LOG;
2487 else if (!_cups_strcasecmp(valstart, "-log"))
2488 fatal &= ~CUPSD_FATAL_LOG;
2489 else if (!_cups_strcasecmp(valstart, "permissions"))
2490 fatal |= CUPSD_FATAL_PERMISSIONS;
2491 else if (!_cups_strcasecmp(valstart, "-permissions"))
2492 fatal &= ~CUPSD_FATAL_PERMISSIONS;
2493 else if (_cups_strcasecmp(valstart, "none"))
2494 cupsdLogMessage(CUPSD_LOG_ERROR,
2495 "Unknown FatalErrors kind \"%s\" ignored.", valstart);
2496
2497 for (valstart = valend; *valstart; valstart ++)
2498 if (!_cups_isspace(*valstart) || *valstart != ',')
2499 break;
2500 }
2501
2502 return (fatal);
2503 }
2504
2505
2506 /*
2507 * 'parse_groups()' - Parse system group names in a string.
2508 */
2509
2510 static int /* O - 1 on success, 0 on failure */
parse_groups(const char * s,int linenum)2511 parse_groups(const char *s, /* I - Space-delimited groups */
2512 int linenum) /* I - Line number in cups-files.conf */
2513 {
2514 int status; /* Return status */
2515 char value[1024], /* Value string */
2516 *valstart, /* Pointer into value */
2517 *valend, /* End of value */
2518 quote; /* Quote character */
2519 struct group *group; /* Group */
2520
2521
2522 /*
2523 * Make a copy of the string and parse out the groups...
2524 */
2525
2526 strlcpy(value, s, sizeof(value));
2527
2528 status = 1;
2529 valstart = value;
2530
2531 while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
2532 {
2533 if (*valstart == '\'' || *valstart == '\"')
2534 {
2535 /*
2536 * Scan quoted name...
2537 */
2538
2539 quote = *valstart++;
2540
2541 for (valend = valstart; *valend; valend ++)
2542 if (*valend == quote)
2543 break;
2544 }
2545 else
2546 {
2547 /*
2548 * Scan space or comma-delimited name...
2549 */
2550
2551 for (valend = valstart; *valend; valend ++)
2552 if (_cups_isspace(*valend) || *valend == ',')
2553 break;
2554 }
2555
2556 if (*valend)
2557 *valend++ = '\0';
2558
2559 group = getgrnam(valstart);
2560 if (group)
2561 {
2562 cupsdSetString(SystemGroups + NumSystemGroups, valstart);
2563 SystemGroupIDs[NumSystemGroups] = group->gr_gid;
2564
2565 NumSystemGroups ++;
2566 }
2567 else
2568 {
2569 if (linenum)
2570 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown SystemGroup \"%s\" on line %d of %s.", valstart, linenum, CupsFilesFile);
2571 else
2572 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown default SystemGroup \"%s\".", valstart);
2573
2574 status = 0;
2575 }
2576
2577 endgrent();
2578
2579 valstart = valend;
2580
2581 while (*valstart == ',' || _cups_isspace(*valstart))
2582 valstart ++;
2583 }
2584
2585 return (status);
2586 }
2587
2588
2589 /*
2590 * 'parse_protocols()' - Parse browse protocols in a string.
2591 */
2592
2593 static int /* O - Browse protocol bits */
parse_protocols(const char * s)2594 parse_protocols(const char *s) /* I - Space-delimited protocols */
2595 {
2596 int protocols; /* Browse protocol bits */
2597 char value[1024], /* Value string */
2598 *valstart, /* Pointer into value */
2599 *valend; /* End of value */
2600
2601
2602 /*
2603 * Empty protocol line yields NULL pointer...
2604 */
2605
2606 if (!s)
2607 return (0);
2608
2609 /*
2610 * Loop through the value string,...
2611 */
2612
2613 strlcpy(value, s, sizeof(value));
2614
2615 protocols = 0;
2616
2617 for (valstart = value; *valstart;)
2618 {
2619 /*
2620 * Get the current space/comma-delimited protocol name...
2621 */
2622
2623 for (valend = valstart; *valend; valend ++)
2624 if (_cups_isspace(*valend) || *valend == ',')
2625 break;
2626
2627 if (*valend)
2628 *valend++ = '\0';
2629
2630 /*
2631 * Add the protocol to the bitmask...
2632 */
2633
2634 if (!_cups_strcasecmp(valstart, "dnssd") ||
2635 !_cups_strcasecmp(valstart, "dns-sd") ||
2636 !_cups_strcasecmp(valstart, "bonjour"))
2637 protocols |= BROWSE_DNSSD;
2638 else if (!_cups_strcasecmp(valstart, "all"))
2639 protocols |= BROWSE_ALL;
2640 else if (_cups_strcasecmp(valstart, "none"))
2641 cupsdLogMessage(CUPSD_LOG_ERROR,
2642 "Unknown browse protocol \"%s\" ignored.", valstart);
2643
2644 for (valstart = valend; *valstart; valstart ++)
2645 if (!_cups_isspace(*valstart) || *valstart != ',')
2646 break;
2647 }
2648
2649 return (protocols);
2650 }
2651
2652
2653 /*
2654 * 'parse_variable()' - Parse a variable line.
2655 */
2656
2657 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)2658 parse_variable(
2659 const char *filename, /* I - Name of configuration file */
2660 int linenum, /* I - Line in configuration file */
2661 const char *line, /* I - Line from configuration file */
2662 const char *value, /* I - Value from configuration file */
2663 size_t num_vars, /* I - Number of variables */
2664 const cupsd_var_t *vars) /* I - Variables */
2665 {
2666 size_t i; /* Looping var */
2667 const cupsd_var_t *var; /* Variables */
2668 char temp[1024]; /* Temporary string */
2669
2670
2671 for (i = num_vars, var = vars; i > 0; i --, var ++)
2672 if (!_cups_strcasecmp(line, var->name))
2673 break;
2674
2675 if (i == 0)
2676 {
2677 /*
2678 * Unknown directive! Output an error message and continue...
2679 */
2680
2681 if (!value)
2682 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.",
2683 line, linenum, filename);
2684 else
2685 cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
2686 line, linenum, filename);
2687
2688 return (0);
2689 }
2690
2691 switch (var->type)
2692 {
2693 case CUPSD_VARTYPE_INTEGER :
2694 if (!value)
2695 {
2696 cupsdLogMessage(CUPSD_LOG_ERROR,
2697 "Missing integer value for %s on line %d of %s.",
2698 line, linenum, filename);
2699 return (0);
2700 }
2701 else if (!isdigit(*value & 255))
2702 {
2703 cupsdLogMessage(CUPSD_LOG_ERROR,
2704 "Bad integer value for %s on line %d of %s.",
2705 line, linenum, filename);
2706 return (0);
2707 }
2708 else
2709 {
2710 int n; /* Number */
2711 char *units; /* Units */
2712
2713 n = strtol(value, &units, 0);
2714
2715 if (units && *units)
2716 {
2717 if (tolower(units[0] & 255) == 'g')
2718 n *= 1024 * 1024 * 1024;
2719 else if (tolower(units[0] & 255) == 'm')
2720 n *= 1024 * 1024;
2721 else if (tolower(units[0] & 255) == 'k')
2722 n *= 1024;
2723 else if (tolower(units[0] & 255) == 't')
2724 n *= 262144;
2725 else
2726 {
2727 cupsdLogMessage(CUPSD_LOG_ERROR,
2728 "Unknown integer value for %s on line %d of %s.",
2729 line, linenum, filename);
2730 return (0);
2731 }
2732 }
2733
2734 if (n < 0)
2735 {
2736 cupsdLogMessage(CUPSD_LOG_ERROR,
2737 "Bad negative integer value for %s on line %d of "
2738 "%s.", line, linenum, filename);
2739 return (0);
2740 }
2741 else
2742 {
2743 *((int *)var->ptr) = n;
2744 }
2745 }
2746 break;
2747
2748 case CUPSD_VARTYPE_PERM :
2749 if (!value)
2750 {
2751 cupsdLogMessage(CUPSD_LOG_ERROR,
2752 "Missing permissions value for %s on line %d of %s.",
2753 line, linenum, filename);
2754 return (0);
2755 }
2756 else if (!isdigit(*value & 255))
2757 {
2758 /* TODO: Add chmod UGO syntax support */
2759 cupsdLogMessage(CUPSD_LOG_ERROR,
2760 "Bad permissions value for %s on line %d of %s.",
2761 line, linenum, filename);
2762 return (0);
2763 }
2764 else
2765 {
2766 int n = strtol(value, NULL, 8);
2767 /* Permissions value */
2768
2769 if (n < 0)
2770 {
2771 cupsdLogMessage(CUPSD_LOG_ERROR,
2772 "Bad negative permissions value for %s on line %d of "
2773 "%s.", line, linenum, filename);
2774 return (0);
2775 }
2776 else
2777 {
2778 *((mode_t *)var->ptr) = (mode_t)n;
2779 }
2780 }
2781 break;
2782
2783 case CUPSD_VARTYPE_TIME :
2784 if (!value)
2785 {
2786 cupsdLogMessage(CUPSD_LOG_ERROR,
2787 "Missing time interval value for %s on line %d of "
2788 "%s.", line, linenum, filename);
2789 return (0);
2790 }
2791 else if (!_cups_strncasecmp(line, "PreserveJob", 11) &&
2792 (!_cups_strcasecmp(value, "true") ||
2793 !_cups_strcasecmp(value, "on") ||
2794 !_cups_strcasecmp(value, "enabled") ||
2795 !_cups_strcasecmp(value, "yes")))
2796 {
2797 *((int *)var->ptr) = INT_MAX;
2798 }
2799 else if (!_cups_strcasecmp(value, "false") ||
2800 !_cups_strcasecmp(value, "off") ||
2801 !_cups_strcasecmp(value, "disabled") ||
2802 !_cups_strcasecmp(value, "no"))
2803 {
2804 *((int *)var->ptr) = 0;
2805 }
2806 else if (!isdigit(*value & 255))
2807 {
2808 cupsdLogMessage(CUPSD_LOG_ERROR,
2809 "Unknown time interval value for %s on line %d of "
2810 "%s.", line, linenum, filename);
2811 return (0);
2812 }
2813 else
2814 {
2815 double n; /* Number */
2816 char *units; /* Units */
2817
2818 n = strtod(value, &units);
2819
2820 if (units && *units)
2821 {
2822 if (tolower(units[0] & 255) == 'w')
2823 n *= 7 * 24 * 60 * 60;
2824 else if (tolower(units[0] & 255) == 'd')
2825 n *= 24 * 60 * 60;
2826 else if (tolower(units[0] & 255) == 'h')
2827 n *= 60 * 60;
2828 else if (tolower(units[0] & 255) == 'm')
2829 n *= 60;
2830 else
2831 {
2832 cupsdLogMessage(CUPSD_LOG_ERROR,
2833 "Unknown time interval value for %s on line "
2834 "%d of %s.", line, linenum, filename);
2835 return (0);
2836 }
2837 }
2838
2839 if (n < 0.0 || n > INT_MAX)
2840 {
2841 cupsdLogMessage(CUPSD_LOG_ERROR,
2842 "Bad time value for %s on line %d of %s.",
2843 line, linenum, filename);
2844 return (0);
2845 }
2846 else
2847 {
2848 *((int *)var->ptr) = (int)n;
2849 }
2850 }
2851 break;
2852
2853 case CUPSD_VARTYPE_BOOLEAN :
2854 if (!value)
2855 {
2856 cupsdLogMessage(CUPSD_LOG_ERROR,
2857 "Missing boolean value for %s on line %d of %s.",
2858 line, linenum, filename);
2859 return (0);
2860 }
2861 else if (!_cups_strcasecmp(value, "true") ||
2862 !_cups_strcasecmp(value, "on") ||
2863 !_cups_strcasecmp(value, "enabled") ||
2864 !_cups_strcasecmp(value, "yes") ||
2865 atoi(value) != 0)
2866 {
2867 *((int *)var->ptr) = TRUE;
2868 }
2869 else if (!_cups_strcasecmp(value, "false") ||
2870 !_cups_strcasecmp(value, "off") ||
2871 !_cups_strcasecmp(value, "disabled") ||
2872 !_cups_strcasecmp(value, "no") ||
2873 !_cups_strcasecmp(value, "0"))
2874 {
2875 *((int *)var->ptr) = FALSE;
2876 }
2877 else
2878 {
2879 cupsdLogMessage(CUPSD_LOG_ERROR,
2880 "Unknown boolean value %s on line %d of %s.",
2881 value, linenum, filename);
2882 return (0);
2883 }
2884 break;
2885
2886 case CUPSD_VARTYPE_PATHNAME :
2887 if (!value)
2888 {
2889 cupsdLogMessage(CUPSD_LOG_ERROR,
2890 "Missing pathname value for %s on line %d of %s.",
2891 line, linenum, filename);
2892 return (0);
2893 }
2894
2895 if (value[0] == '/')
2896 strlcpy(temp, value, sizeof(temp));
2897 else
2898 snprintf(temp, sizeof(temp), "%s/%s", ServerRoot, value);
2899
2900 if (access(temp, 0) && _cups_strcasecmp(value, "internal") && _cups_strcasecmp(line, "ServerKeychain"))
2901 {
2902 cupsdLogMessage(CUPSD_LOG_ERROR,
2903 "File or directory for \"%s %s\" on line %d of %s "
2904 "does not exist.", line, value, linenum, filename);
2905 return (0);
2906 }
2907
2908 cupsdSetString((char **)var->ptr, temp);
2909 break;
2910
2911 case CUPSD_VARTYPE_STRING :
2912 cupsdSetString((char **)var->ptr, value);
2913 break;
2914 }
2915
2916 return (1);
2917 }
2918
2919
2920 /*
2921 * 'read_cupsd_conf()' - Read the cupsd.conf configuration file.
2922 */
2923
2924 static int /* O - 1 on success, 0 on failure */
read_cupsd_conf(cups_file_t * fp)2925 read_cupsd_conf(cups_file_t *fp) /* I - File to read from */
2926 {
2927 int linenum; /* Current line number */
2928 char line[HTTP_MAX_BUFFER],
2929 /* Line from file */
2930 temp[HTTP_MAX_BUFFER],
2931 /* Temporary buffer for value */
2932 *value; /* Pointer to value */
2933 int valuelen; /* Length of value */
2934 http_addrlist_t *addrlist, /* Address list */
2935 *addr; /* Current address */
2936
2937
2938 /*
2939 * Loop through each line in the file...
2940 */
2941
2942 linenum = 0;
2943
2944 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
2945 {
2946 /*
2947 * Decode the directive...
2948 */
2949
2950 if (!_cups_strcasecmp(line, "<Location") && value)
2951 {
2952 /*
2953 * <Location path>
2954 */
2955
2956 linenum = read_location(fp, value, linenum);
2957 if (linenum == 0)
2958 return (0);
2959 }
2960 else if (!_cups_strcasecmp(line, "<Policy") && value)
2961 {
2962 /*
2963 * <Policy name>
2964 */
2965
2966 linenum = read_policy(fp, value, linenum);
2967 if (linenum == 0)
2968 return (0);
2969 }
2970 else if (!_cups_strcasecmp(line, "FaxRetryInterval") && value)
2971 {
2972 JobRetryInterval = atoi(value);
2973 cupsdLogMessage(CUPSD_LOG_WARN,
2974 "FaxRetryInterval is deprecated; use "
2975 "JobRetryInterval on line %d of %s.", linenum, ConfigurationFile);
2976 }
2977 else if (!_cups_strcasecmp(line, "FaxRetryLimit") && value)
2978 {
2979 JobRetryLimit = atoi(value);
2980 cupsdLogMessage(CUPSD_LOG_WARN,
2981 "FaxRetryLimit is deprecated; use "
2982 "JobRetryLimit on line %d of %s.", linenum, ConfigurationFile);
2983 }
2984 #ifdef HAVE_SSL
2985 else if (!_cups_strcasecmp(line, "SSLOptions"))
2986 {
2987 /*
2988 * SSLOptions [AllowRC4] [AllowSSL3] [AllowDH] [DenyCBC] [DenyTLS1.0] [None]
2989 */
2990
2991 int options = _HTTP_TLS_NONE,/* SSL/TLS options */
2992 min_version = _HTTP_TLS_1_0,
2993 max_version = _HTTP_TLS_MAX;
2994
2995 if (value)
2996 {
2997 char *start, /* Start of option */
2998 *end; /* End of option */
2999
3000 for (start = value; *start; start = end)
3001 {
3002 /*
3003 * Find end of keyword...
3004 */
3005
3006 end = start;
3007 while (*end && !_cups_isspace(*end))
3008 end ++;
3009
3010 if (*end)
3011 *end++ = '\0';
3012
3013 /*
3014 * Compare...
3015 */
3016
3017 if (!_cups_strcasecmp(start, "AllowRC4"))
3018 options |= _HTTP_TLS_ALLOW_RC4;
3019 else if (!_cups_strcasecmp(start, "AllowSSL3"))
3020 min_version = _HTTP_TLS_SSL3;
3021 else if (!_cups_strcasecmp(start, "AllowDH"))
3022 options |= _HTTP_TLS_ALLOW_DH;
3023 else if (!_cups_strcasecmp(start, "DenyCBC"))
3024 options |= _HTTP_TLS_DENY_CBC;
3025 else if (!_cups_strcasecmp(start, "DenyTLS1.0"))
3026 min_version = _HTTP_TLS_1_1;
3027 else if (!_cups_strcasecmp(start, "MaxTLS1.0"))
3028 max_version = _HTTP_TLS_1_0;
3029 else if (!_cups_strcasecmp(start, "MaxTLS1.1"))
3030 max_version = _HTTP_TLS_1_1;
3031 else if (!_cups_strcasecmp(start, "MaxTLS1.2"))
3032 max_version = _HTTP_TLS_1_2;
3033 else if (!_cups_strcasecmp(start, "MaxTLS1.3"))
3034 max_version = _HTTP_TLS_1_3;
3035 else if (!_cups_strcasecmp(start, "MinTLS1.0"))
3036 min_version = _HTTP_TLS_1_0;
3037 else if (!_cups_strcasecmp(start, "MinTLS1.1"))
3038 min_version = _HTTP_TLS_1_1;
3039 else if (!_cups_strcasecmp(start, "MinTLS1.2"))
3040 min_version = _HTTP_TLS_1_2;
3041 else if (!_cups_strcasecmp(start, "MinTLS1.3"))
3042 min_version = _HTTP_TLS_1_3;
3043 else if (!_cups_strcasecmp(start, "None"))
3044 options = _HTTP_TLS_NONE;
3045 else if (_cups_strcasecmp(start, "NoEmptyFragments"))
3046 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown SSL option %s at line %d.", start, linenum);
3047 }
3048 }
3049
3050 _httpTLSSetOptions(options, min_version, max_version);
3051 }
3052 #endif /* HAVE_SSL */
3053 else if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")
3054 #ifdef HAVE_SSL
3055 || !_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen")
3056 #endif /* HAVE_SSL */
3057 ) && value)
3058 {
3059 /*
3060 * Add listening address(es) to the list...
3061 */
3062
3063 cupsd_listener_t *lis; /* New listeners array */
3064
3065
3066 /*
3067 * Get the address list...
3068 */
3069
3070 addrlist = get_address(value, IPP_PORT);
3071
3072 if (!addrlist)
3073 {
3074 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
3075 value, linenum);
3076 continue;
3077 }
3078
3079 /*
3080 * Add each address...
3081 */
3082
3083 for (addr = addrlist; addr; addr = addr->next)
3084 {
3085 /*
3086 * See if this address is already present...
3087 */
3088
3089 for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
3090 lis;
3091 lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
3092 if (httpAddrEqual(&(addr->addr), &(lis->address)) &&
3093 httpAddrPort(&(addr->addr)) == httpAddrPort(&(lis->address)))
3094 break;
3095
3096 if (lis)
3097 {
3098 #ifdef HAVE_ONDEMAND
3099 if (!lis->on_demand)
3100 #endif /* HAVE_ONDEMAND */
3101 {
3102 httpAddrString(&lis->address, temp, sizeof(temp));
3103 cupsdLogMessage(CUPSD_LOG_WARN,
3104 "Duplicate listen address \"%s\" ignored.", temp);
3105 }
3106
3107 continue;
3108 }
3109
3110 /*
3111 * Allocate another listener...
3112 */
3113
3114 if (!Listeners)
3115 Listeners = cupsArrayNew(NULL, NULL);
3116
3117 if (!Listeners)
3118 {
3119 cupsdLogMessage(CUPSD_LOG_ERROR,
3120 "Unable to allocate %s at line %d - %s.",
3121 line, linenum, strerror(errno));
3122 break;
3123 }
3124
3125 if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
3126 {
3127 cupsdLogMessage(CUPSD_LOG_ERROR,
3128 "Unable to allocate %s at line %d - %s.",
3129 line, linenum, strerror(errno));
3130 break;
3131 }
3132
3133 cupsArrayAdd(Listeners, lis);
3134
3135 /*
3136 * Copy the current address and log it...
3137 */
3138
3139 memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
3140 lis->fd = -1;
3141
3142 #ifdef HAVE_SSL
3143 if (!_cups_strcasecmp(line, "SSLPort") || !_cups_strcasecmp(line, "SSLListen"))
3144 lis->encryption = HTTP_ENCRYPT_ALWAYS;
3145 #endif /* HAVE_SSL */
3146
3147 httpAddrString(&lis->address, temp, sizeof(temp));
3148
3149 #ifdef AF_LOCAL
3150 if (lis->address.addr.sa_family == AF_LOCAL)
3151 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
3152 else
3153 #endif /* AF_LOCAL */
3154 cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv%d)", temp,
3155 httpAddrPort(&(lis->address)),
3156 httpAddrFamily(&(lis->address)) == AF_INET ? 4 : 6);
3157
3158 if (!httpAddrLocalhost(&(lis->address)))
3159 RemotePort = httpAddrPort(&(lis->address));
3160 }
3161
3162 /*
3163 * Free the list...
3164 */
3165
3166 httpAddrFreeList(addrlist);
3167 }
3168 else if (!_cups_strcasecmp(line, "BrowseProtocols") ||
3169 !_cups_strcasecmp(line, "BrowseLocalProtocols"))
3170 {
3171 /*
3172 * "BrowseProtocols name [... name]"
3173 * "BrowseLocalProtocols name [... name]"
3174 */
3175
3176 int protocols = parse_protocols(value);
3177
3178 if (protocols < 0)
3179 {
3180 cupsdLogMessage(CUPSD_LOG_ERROR,
3181 "Unknown browse protocol \"%s\" on line %d of %s.",
3182 value, linenum, ConfigurationFile);
3183 break;
3184 }
3185
3186 BrowseLocalProtocols = protocols;
3187 }
3188 else if (!_cups_strcasecmp(line, "DefaultAuthType") && value)
3189 {
3190 /*
3191 * DefaultAuthType {basic,digest,basicdigest,negotiate}
3192 */
3193
3194 if (!_cups_strcasecmp(value, "none"))
3195 default_auth_type = CUPSD_AUTH_NONE;
3196 else if (!_cups_strcasecmp(value, "basic"))
3197 default_auth_type = CUPSD_AUTH_BASIC;
3198 else if (!_cups_strcasecmp(value, "negotiate"))
3199 default_auth_type = CUPSD_AUTH_NEGOTIATE;
3200 else if (!_cups_strcasecmp(value, "auto"))
3201 default_auth_type = CUPSD_AUTH_AUTO;
3202 else
3203 {
3204 cupsdLogMessage(CUPSD_LOG_WARN,
3205 "Unknown default authorization type %s on line %d of %s.",
3206 value, linenum, ConfigurationFile);
3207 if (FatalErrors & CUPSD_FATAL_CONFIG)
3208 return (0);
3209 }
3210 }
3211 #ifdef HAVE_SSL
3212 else if (!_cups_strcasecmp(line, "DefaultEncryption"))
3213 {
3214 /*
3215 * DefaultEncryption {Never,IfRequested,Required}
3216 */
3217
3218 if (!value || !_cups_strcasecmp(value, "never"))
3219 DefaultEncryption = HTTP_ENCRYPT_NEVER;
3220 else if (!_cups_strcasecmp(value, "required"))
3221 DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
3222 else if (!_cups_strcasecmp(value, "ifrequested"))
3223 DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
3224 else
3225 {
3226 cupsdLogMessage(CUPSD_LOG_WARN,
3227 "Unknown default encryption %s on line %d of %s.",
3228 value, linenum, ConfigurationFile);
3229 if (FatalErrors & CUPSD_FATAL_CONFIG)
3230 return (0);
3231 }
3232 }
3233 #endif /* HAVE_SSL */
3234 else if (!_cups_strcasecmp(line, "HostNameLookups") && value)
3235 {
3236 /*
3237 * Do hostname lookups?
3238 */
3239
3240 if (!_cups_strcasecmp(value, "off") || !_cups_strcasecmp(value, "no") ||
3241 !_cups_strcasecmp(value, "false"))
3242 HostNameLookups = 0;
3243 else if (!_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "yes") ||
3244 !_cups_strcasecmp(value, "true"))
3245 HostNameLookups = 1;
3246 else if (!_cups_strcasecmp(value, "double"))
3247 HostNameLookups = 2;
3248 else
3249 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d of %s.",
3250 value, linenum, ConfigurationFile);
3251 }
3252 else if (!_cups_strcasecmp(line, "AccessLogLevel") && value)
3253 {
3254 /*
3255 * Amount of logging to do to access log...
3256 */
3257
3258 if (!_cups_strcasecmp(value, "all"))
3259 AccessLogLevel = CUPSD_ACCESSLOG_ALL;
3260 else if (!_cups_strcasecmp(value, "actions"))
3261 AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
3262 else if (!_cups_strcasecmp(value, "config"))
3263 AccessLogLevel = CUPSD_ACCESSLOG_CONFIG;
3264 else if (!_cups_strcasecmp(value, "none"))
3265 AccessLogLevel = CUPSD_ACCESSLOG_NONE;
3266 else
3267 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown AccessLogLevel %s on line %d of %s.",
3268 value, linenum, ConfigurationFile);
3269 }
3270 else if (!_cups_strcasecmp(line, "LogLevel") && value)
3271 {
3272 /*
3273 * Amount of logging to do to error log...
3274 */
3275
3276 if (!_cups_strcasecmp(value, "debug2"))
3277 LogLevel = CUPSD_LOG_DEBUG2;
3278 else if (!_cups_strcasecmp(value, "debug"))
3279 LogLevel = CUPSD_LOG_DEBUG;
3280 else if (!_cups_strcasecmp(value, "info"))
3281 LogLevel = CUPSD_LOG_INFO;
3282 else if (!_cups_strcasecmp(value, "notice"))
3283 LogLevel = CUPSD_LOG_NOTICE;
3284 else if (!_cups_strcasecmp(value, "warn"))
3285 LogLevel = CUPSD_LOG_WARN;
3286 else if (!_cups_strcasecmp(value, "error"))
3287 LogLevel = CUPSD_LOG_ERROR;
3288 else if (!_cups_strcasecmp(value, "crit"))
3289 LogLevel = CUPSD_LOG_CRIT;
3290 else if (!_cups_strcasecmp(value, "alert"))
3291 LogLevel = CUPSD_LOG_ALERT;
3292 else if (!_cups_strcasecmp(value, "emerg"))
3293 LogLevel = CUPSD_LOG_EMERG;
3294 else if (!_cups_strcasecmp(value, "none"))
3295 LogLevel = CUPSD_LOG_NONE;
3296 else
3297 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d of %s.",
3298 value, linenum, ConfigurationFile);
3299 }
3300 else if (!_cups_strcasecmp(line, "LogTimeFormat") && value)
3301 {
3302 /*
3303 * Amount of logging to do to error log...
3304 */
3305
3306 if (!_cups_strcasecmp(value, "standard"))
3307 LogTimeFormat = CUPSD_TIME_STANDARD;
3308 else if (!_cups_strcasecmp(value, "usecs"))
3309 LogTimeFormat = CUPSD_TIME_USECS;
3310 else
3311 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogTimeFormat %s on line %d of %s.",
3312 value, linenum, ConfigurationFile);
3313 }
3314 else if (!_cups_strcasecmp(line, "ServerTokens") && value)
3315 {
3316 /*
3317 * Set the string used for the Server header...
3318 */
3319
3320 struct utsname plat; /* Platform info */
3321
3322
3323 uname(&plat);
3324
3325 if (!_cups_strcasecmp(value, "ProductOnly"))
3326 cupsdSetString(&ServerHeader, "CUPS IPP");
3327 else if (!_cups_strcasecmp(value, "Major"))
3328 cupsdSetStringf(&ServerHeader, "CUPS/%d IPP/2", CUPS_VERSION_MAJOR);
3329 else if (!_cups_strcasecmp(value, "Minor"))
3330 cupsdSetStringf(&ServerHeader, "CUPS/%d.%d IPP/2.1", CUPS_VERSION_MAJOR,
3331 CUPS_VERSION_MINOR);
3332 else if (!_cups_strcasecmp(value, "Minimal"))
3333 cupsdSetString(&ServerHeader, CUPS_MINIMAL " IPP/2.1");
3334 else if (!_cups_strcasecmp(value, "OS"))
3335 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s) IPP/2.1",
3336 plat.sysname, plat.release);
3337 else if (!_cups_strcasecmp(value, "Full"))
3338 cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s %s; %s) IPP/2.1",
3339 plat.sysname, plat.release, plat.machine);
3340 else if (!_cups_strcasecmp(value, "None"))
3341 cupsdSetString(&ServerHeader, "");
3342 else
3343 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d of %s.",
3344 value, linenum, ConfigurationFile);
3345 }
3346 else if (!_cups_strcasecmp(line, "ServerAlias") && value)
3347 {
3348 /*
3349 * ServerAlias name [... name]
3350 */
3351
3352 if (!ServerAlias)
3353 ServerAlias = cupsArrayNew(NULL, NULL);
3354
3355 for (; *value;)
3356 {
3357 for (valuelen = 0; value[valuelen]; valuelen ++)
3358 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3359 break;
3360
3361 if (value[valuelen])
3362 {
3363 value[valuelen] = '\0';
3364 valuelen ++;
3365 }
3366
3367 cupsdAddAlias(ServerAlias, value);
3368
3369 for (value += valuelen; *value; value ++)
3370 if (!_cups_isspace(*value) || *value != ',')
3371 break;
3372 }
3373 }
3374 else if (!_cups_strcasecmp(line, "AccessLog") ||
3375 !_cups_strcasecmp(line, "CacheDir") ||
3376 !_cups_strcasecmp(line, "ConfigFilePerm") ||
3377 !_cups_strcasecmp(line, "DataDir") ||
3378 !_cups_strcasecmp(line, "DocumentRoot") ||
3379 !_cups_strcasecmp(line, "ErrorLog") ||
3380 !_cups_strcasecmp(line, "FatalErrors") ||
3381 !_cups_strcasecmp(line, "FileDevice") ||
3382 !_cups_strcasecmp(line, "FontPath") ||
3383 !_cups_strcasecmp(line, "Group") ||
3384 !_cups_strcasecmp(line, "LogFilePerm") ||
3385 !_cups_strcasecmp(line, "LPDConfigFile") ||
3386 !_cups_strcasecmp(line, "PageLog") ||
3387 !_cups_strcasecmp(line, "PassEnv") ||
3388 !_cups_strcasecmp(line, "Printcap") ||
3389 !_cups_strcasecmp(line, "PrintcapFormat") ||
3390 !_cups_strcasecmp(line, "RemoteRoot") ||
3391 !_cups_strcasecmp(line, "RequestRoot") ||
3392 !_cups_strcasecmp(line, "ServerBin") ||
3393 !_cups_strcasecmp(line, "ServerCertificate") ||
3394 !_cups_strcasecmp(line, "ServerKey") ||
3395 !_cups_strcasecmp(line, "ServerKeychain") ||
3396 !_cups_strcasecmp(line, "ServerRoot") ||
3397 !_cups_strcasecmp(line, "SetEnv") ||
3398 !_cups_strcasecmp(line, "SMBConfigFile") ||
3399 !_cups_strcasecmp(line, "StateDir") ||
3400 !_cups_strcasecmp(line, "SystemGroup") ||
3401 !_cups_strcasecmp(line, "SystemGroupAuthKey") ||
3402 !_cups_strcasecmp(line, "TempDir") ||
3403 !_cups_strcasecmp(line, "User"))
3404 {
3405 cupsdLogMessage(CUPSD_LOG_INFO,
3406 "Please move \"%s%s%s\" on line %d of %s to the %s file; "
3407 "this will become an error in a future release.",
3408 line, value ? " " : "", value ? value : "", linenum,
3409 ConfigurationFile, CupsFilesFile);
3410 }
3411 else
3412 parse_variable(ConfigurationFile, linenum, line, value,
3413 sizeof(cupsd_vars) / sizeof(cupsd_vars[0]), cupsd_vars);
3414 }
3415
3416 return (1);
3417 }
3418
3419
3420 /*
3421 * 'read_cups_files_conf()' - Read the cups-files.conf configuration file.
3422 */
3423
3424 static int /* O - 1 on success, 0 on failure */
read_cups_files_conf(cups_file_t * fp)3425 read_cups_files_conf(cups_file_t *fp) /* I - File to read from */
3426 {
3427 int i, /* Looping var */
3428 linenum; /* Current line number */
3429 char line[HTTP_MAX_BUFFER], /* Line from file */
3430 *value; /* Value from line */
3431 struct group *group; /* Group */
3432 static const char * const prohibited_env[] =
3433 { /* Prohibited environment variables */
3434 "APPLE_LANGUAGE",
3435 "AUTH_DOMAIN",
3436 "AUTH_INFO_REQUIRED",
3437 "AUTH_NEGOTIATE",
3438 "AUTH_PASSWORD",
3439 "AUTH_UID",
3440 "AUTH_USERNAME",
3441 "CHARSET",
3442 "CLASS",
3443 "CLASSIFICATION",
3444 "CONTENT_TYPE",
3445 "CUPS_CACHEDIR",
3446 "CUPS_DATADIR",
3447 "CUPS_DOCROOT",
3448 "CUPS_FILETYPE",
3449 "CUPS_FONTPATH",
3450 "CUPS_MAX_MESSAGE",
3451 "CUPS_REQUESTROOT",
3452 "CUPS_SERVERBIN",
3453 "CUPS_SERVERROOT",
3454 "CUPS_STATEDIR",
3455 "DEVICE_URI",
3456 "FINAL_CONTENT_TYPE",
3457 "HOME",
3458 "LANG",
3459 "PPD",
3460 "PRINTER",
3461 "PRINTER_INFO",
3462 "PRINTER_LOCATION",
3463 "PRINTER_STATE_REASONS",
3464 "RIP_CACHE",
3465 "SERVER_ADMIN",
3466 "SOFTWARE",
3467 "TMPDIR",
3468 "USER"
3469 };
3470
3471
3472 /*
3473 * Loop through each line in the file...
3474 */
3475
3476 linenum = 0;
3477
3478 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3479 {
3480 if (!_cups_strcasecmp(line, "FatalErrors"))
3481 FatalErrors = parse_fatal_errors(value);
3482 else if (!_cups_strcasecmp(line, "Group") && value)
3483 {
3484 /*
3485 * Group ID to run as...
3486 */
3487
3488 if (isdigit(value[0]))
3489 Group = (gid_t)atoi(value);
3490 else
3491 {
3492 endgrent();
3493 group = getgrnam(value);
3494
3495 if (group != NULL)
3496 Group = group->gr_gid;
3497 else
3498 {
3499 cupsdLogMessage(CUPSD_LOG_ERROR,
3500 "Unknown Group \"%s\" on line %d of %s.", value,
3501 linenum, CupsFilesFile);
3502 if (FatalErrors & CUPSD_FATAL_CONFIG)
3503 return (0);
3504 }
3505 }
3506 }
3507 else if (!_cups_strcasecmp(line, "PassEnv") && value)
3508 {
3509 /*
3510 * PassEnv variable [... variable]
3511 */
3512
3513 int valuelen; /* Length of variable name */
3514
3515 for (; *value;)
3516 {
3517 for (valuelen = 0; value[valuelen]; valuelen ++)
3518 if (_cups_isspace(value[valuelen]) || value[valuelen] == ',')
3519 break;
3520
3521 if (value[valuelen])
3522 {
3523 value[valuelen] = '\0';
3524 valuelen ++;
3525 }
3526
3527 for (i = 0; i < (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])); i ++)
3528 {
3529 if (!strcmp(value, prohibited_env[i]))
3530 {
3531 cupsdLogMessage(CUPSD_LOG_ERROR, "Environment variable \"%s\" cannot be passed through on line %d of %s.", value, linenum, CupsFilesFile);
3532
3533 if (FatalErrors & CUPSD_FATAL_CONFIG)
3534 return (0);
3535 else
3536 break;
3537 }
3538 }
3539
3540 if (i >= (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])))
3541 cupsdSetEnv(value, NULL);
3542
3543 for (value += valuelen; *value; value ++)
3544 if (!_cups_isspace(*value) || *value != ',')
3545 break;
3546 }
3547 }
3548 else if (!_cups_strcasecmp(line, "PrintcapFormat") && value)
3549 {
3550 /*
3551 * Format of printcap file?
3552 */
3553
3554 if (!_cups_strcasecmp(value, "bsd"))
3555 PrintcapFormat = PRINTCAP_BSD;
3556 else if (!_cups_strcasecmp(value, "plist"))
3557 PrintcapFormat = PRINTCAP_PLIST;
3558 else if (!_cups_strcasecmp(value, "solaris"))
3559 PrintcapFormat = PRINTCAP_SOLARIS;
3560 else
3561 {
3562 cupsdLogMessage(CUPSD_LOG_ERROR,
3563 "Unknown PrintcapFormat \"%s\" on line %d of %s.",
3564 value, linenum, CupsFilesFile);
3565 if (FatalErrors & CUPSD_FATAL_CONFIG)
3566 return (0);
3567 }
3568 }
3569 else if (!_cups_strcasecmp(line, "Sandboxing") && value)
3570 {
3571 /*
3572 * Level of sandboxing?
3573 */
3574
3575 if (!_cups_strcasecmp(value, "off") && getuid())
3576 Sandboxing = CUPSD_SANDBOXING_OFF;
3577 else if (!_cups_strcasecmp(value, "relaxed"))
3578 Sandboxing = CUPSD_SANDBOXING_RELAXED;
3579 else if (!_cups_strcasecmp(value, "strict"))
3580 Sandboxing = CUPSD_SANDBOXING_STRICT;
3581 else
3582 {
3583 cupsdLogMessage(CUPSD_LOG_ERROR,
3584 "Unknown Sandboxing \"%s\" on line %d of %s.",
3585 value, linenum, CupsFilesFile);
3586 if (FatalErrors & CUPSD_FATAL_CONFIG)
3587 return (0);
3588 }
3589 }
3590 else if (!_cups_strcasecmp(line, "SetEnv") && value)
3591 {
3592 /*
3593 * SetEnv variable value
3594 */
3595
3596 char *valueptr; /* Pointer to environment variable value */
3597
3598 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
3599
3600 if (*valueptr)
3601 {
3602 /*
3603 * Found a value...
3604 */
3605
3606 while (isspace(*valueptr & 255))
3607 *valueptr++ = '\0';
3608
3609 for (i = 0; i < (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])); i ++)
3610 {
3611 if (!strcmp(value, prohibited_env[i]))
3612 {
3613 cupsdLogMessage(CUPSD_LOG_ERROR, "Environment variable \"%s\" cannot be set on line %d of %s.", value, linenum, CupsFilesFile);
3614
3615 if (FatalErrors & CUPSD_FATAL_CONFIG)
3616 return (0);
3617 else
3618 break;
3619 }
3620 }
3621
3622 if (i >= (int)(sizeof(prohibited_env) / sizeof(prohibited_env[0])))
3623 cupsdSetEnv(value, valueptr);
3624 }
3625 else
3626 cupsdLogMessage(CUPSD_LOG_ERROR,
3627 "Missing value for SetEnv directive on line %d of %s.",
3628 linenum, ConfigurationFile);
3629 }
3630 else if (!_cups_strcasecmp(line, "SystemGroup") && value)
3631 {
3632 /*
3633 * SystemGroup (admin) group(s)...
3634 */
3635
3636 if (!parse_groups(value, linenum))
3637 {
3638 if (FatalErrors & CUPSD_FATAL_CONFIG)
3639 return (0);
3640 }
3641 }
3642 else if (!_cups_strcasecmp(line, "User") && value)
3643 {
3644 /*
3645 * User ID to run as...
3646 */
3647
3648 if (isdigit(value[0] & 255))
3649 {
3650 int uid = atoi(value);
3651
3652 if (!uid)
3653 {
3654 cupsdLogMessage(CUPSD_LOG_ERROR,
3655 "Will not use User 0 as specified on line %d of %s "
3656 "for security reasons. You must use a non-"
3657 "privileged account instead.",
3658 linenum, CupsFilesFile);
3659 if (FatalErrors & CUPSD_FATAL_CONFIG)
3660 return (0);
3661 }
3662 else
3663 User = (uid_t)atoi(value);
3664 }
3665 else
3666 {
3667 struct passwd *p; /* Password information */
3668
3669 endpwent();
3670 p = getpwnam(value);
3671
3672 if (p)
3673 {
3674 if (!p->pw_uid)
3675 {
3676 cupsdLogMessage(CUPSD_LOG_ERROR,
3677 "Will not use User %s (UID=0) as specified on line "
3678 "%d of %s for security reasons. You must use a "
3679 "non-privileged account instead.",
3680 value, linenum, CupsFilesFile);
3681 if (FatalErrors & CUPSD_FATAL_CONFIG)
3682 return (0);
3683 }
3684 else
3685 User = p->pw_uid;
3686 }
3687 else
3688 {
3689 cupsdLogMessage(CUPSD_LOG_ERROR,
3690 "Unknown User \"%s\" on line %d of %s.",
3691 value, linenum, CupsFilesFile);
3692 if (FatalErrors & CUPSD_FATAL_CONFIG)
3693 return (0);
3694 }
3695 }
3696 }
3697 else if (!_cups_strcasecmp(line, "ServerCertificate") ||
3698 !_cups_strcasecmp(line, "ServerKey"))
3699 {
3700 cupsdLogMessage(CUPSD_LOG_INFO,
3701 "The \"%s\" directive on line %d of %s is no longer "
3702 "supported; this will become an error in a future "
3703 "release.",
3704 line, linenum, CupsFilesFile);
3705 }
3706 else if (!parse_variable(CupsFilesFile, linenum, line, value,
3707 sizeof(cupsfiles_vars) / sizeof(cupsfiles_vars[0]),
3708 cupsfiles_vars) &&
3709 (FatalErrors & CUPSD_FATAL_CONFIG))
3710 return (0);
3711 }
3712
3713 return (1);
3714 }
3715
3716
3717 /*
3718 * 'read_location()' - Read a <Location path> definition.
3719 */
3720
3721 static int /* O - New line number or 0 on error */
read_location(cups_file_t * fp,char * location,int linenum)3722 read_location(cups_file_t *fp, /* I - Configuration file */
3723 char *location, /* I - Location name/path */
3724 int linenum) /* I - Current line number */
3725 {
3726 cupsd_location_t *loc, /* New location */
3727 *parent; /* Parent location */
3728 char line[HTTP_MAX_BUFFER],
3729 /* Line buffer */
3730 *value, /* Value for directive */
3731 *valptr; /* Pointer into value */
3732
3733
3734 if ((parent = cupsdFindLocation(location)) != NULL)
3735 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Location %s> on line %d of %s.",
3736 location, linenum, ConfigurationFile);
3737 else if ((parent = cupsdNewLocation(location)) == NULL)
3738 return (0);
3739 else
3740 {
3741 cupsdAddLocation(parent);
3742
3743 parent->limit = CUPSD_AUTH_LIMIT_ALL;
3744 }
3745
3746 loc = parent;
3747
3748 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3749 {
3750 /*
3751 * Decode the directive...
3752 */
3753
3754 if (!_cups_strcasecmp(line, "</Location>"))
3755 return (linenum);
3756 else if (!_cups_strcasecmp(line, "<Limit") ||
3757 !_cups_strcasecmp(line, "<LimitExcept"))
3758 {
3759 if (!value)
3760 {
3761 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3762 if (FatalErrors & CUPSD_FATAL_CONFIG)
3763 return (0);
3764 else
3765 continue;
3766 }
3767
3768 if ((loc = cupsdCopyLocation(parent)) == NULL)
3769 return (0);
3770
3771 cupsdAddLocation(loc);
3772
3773 loc->limit = 0;
3774 while (*value)
3775 {
3776 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3777
3778 if (*valptr)
3779 *valptr++ = '\0';
3780
3781 if (!strcmp(value, "ALL"))
3782 loc->limit = CUPSD_AUTH_LIMIT_ALL;
3783 else if (!strcmp(value, "GET"))
3784 loc->limit |= CUPSD_AUTH_LIMIT_GET;
3785 else if (!strcmp(value, "HEAD"))
3786 loc->limit |= CUPSD_AUTH_LIMIT_HEAD;
3787 else if (!strcmp(value, "OPTIONS"))
3788 loc->limit |= CUPSD_AUTH_LIMIT_OPTIONS;
3789 else if (!strcmp(value, "POST"))
3790 loc->limit |= CUPSD_AUTH_LIMIT_POST;
3791 else if (!strcmp(value, "PUT"))
3792 loc->limit |= CUPSD_AUTH_LIMIT_PUT;
3793 else if (!strcmp(value, "TRACE"))
3794 loc->limit |= CUPSD_AUTH_LIMIT_TRACE;
3795 else
3796 cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d of %s.",
3797 value, linenum, ConfigurationFile);
3798
3799 for (value = valptr; isspace(*value & 255); value ++);
3800 }
3801
3802 if (!_cups_strcasecmp(line, "<LimitExcept"))
3803 loc->limit = CUPSD_AUTH_LIMIT_ALL ^ loc->limit;
3804
3805 parent->limit &= ~loc->limit;
3806 }
3807 else if (!_cups_strcasecmp(line, "</Limit>") ||
3808 !_cups_strcasecmp(line, "</LimitExcept>"))
3809 loc = parent;
3810 else if (!value)
3811 {
3812 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3813 if (FatalErrors & CUPSD_FATAL_CONFIG)
3814 return (0);
3815 }
3816 else if (!parse_aaa(loc, line, value, linenum))
3817 {
3818 cupsdLogMessage(CUPSD_LOG_ERROR,
3819 "Unknown Location directive %s on line %d of %s.",
3820 line, linenum, ConfigurationFile);
3821 if (FatalErrors & CUPSD_FATAL_CONFIG)
3822 return (0);
3823 }
3824 }
3825
3826 cupsdLogMessage(CUPSD_LOG_ERROR,
3827 "Unexpected end-of-file at line %d while reading location.",
3828 linenum);
3829
3830 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
3831 }
3832
3833
3834 /*
3835 * 'read_policy()' - Read a <Policy name> definition.
3836 */
3837
3838 static int /* O - New line number or 0 on error */
read_policy(cups_file_t * fp,char * policy,int linenum)3839 read_policy(cups_file_t *fp, /* I - Configuration file */
3840 char *policy, /* I - Location name/path */
3841 int linenum) /* I - Current line number */
3842 {
3843 int i; /* Looping var */
3844 cupsd_policy_t *pol; /* Policy */
3845 cupsd_location_t *op; /* Policy operation */
3846 int num_ops; /* Number of IPP operations */
3847 ipp_op_t ops[100]; /* Operations */
3848 char line[HTTP_MAX_BUFFER],
3849 /* Line buffer */
3850 *value, /* Value for directive */
3851 *valptr; /* Pointer into value */
3852
3853
3854 /*
3855 * Create the policy...
3856 */
3857
3858 if ((pol = cupsdFindPolicy(policy)) != NULL)
3859 cupsdLogMessage(CUPSD_LOG_WARN, "Duplicate <Policy %s> on line %d of %s.",
3860 policy, linenum, ConfigurationFile);
3861 else if ((pol = cupsdAddPolicy(policy)) == NULL)
3862 return (0);
3863
3864 /*
3865 * Read from the file...
3866 */
3867
3868 op = NULL;
3869 num_ops = 0;
3870
3871 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3872 {
3873 /*
3874 * Decode the directive...
3875 */
3876
3877 if (!_cups_strcasecmp(line, "</Policy>"))
3878 {
3879 if (op)
3880 cupsdLogMessage(CUPSD_LOG_WARN,
3881 "Missing </Limit> before </Policy> on line %d of %s.",
3882 linenum, ConfigurationFile);
3883
3884 set_policy_defaults(pol);
3885
3886 return (linenum);
3887 }
3888 else if (!_cups_strcasecmp(line, "<Limit") && !op)
3889 {
3890 if (!value)
3891 {
3892 cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d of %s.", linenum, ConfigurationFile);
3893 if (FatalErrors & CUPSD_FATAL_CONFIG)
3894 return (0);
3895 else
3896 continue;
3897 }
3898
3899 /*
3900 * Scan for IPP operation names...
3901 */
3902
3903 num_ops = 0;
3904
3905 while (*value)
3906 {
3907 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3908
3909 if (*valptr)
3910 *valptr++ = '\0';
3911
3912 if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
3913 {
3914 if (!_cups_strcasecmp(value, "All"))
3915 ops[num_ops ++] = IPP_ANY_OPERATION;
3916 else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
3917 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad IPP operation name \"%s\" on line %d of %s.", value, linenum, ConfigurationFile);
3918 else
3919 num_ops ++;
3920 }
3921 else
3922 cupsdLogMessage(CUPSD_LOG_ERROR,
3923 "Too many operations listed on line %d of %s.",
3924 linenum, ConfigurationFile);
3925
3926 for (value = valptr; isspace(*value & 255); value ++);
3927 }
3928
3929 /*
3930 * If none are specified, apply the policy to all operations...
3931 */
3932
3933 if (num_ops == 0)
3934 {
3935 ops[0] = IPP_ANY_OPERATION;
3936 num_ops = 1;
3937 }
3938
3939 /*
3940 * Add a new policy for the first operation...
3941 */
3942
3943 op = cupsdAddPolicyOp(pol, NULL, ops[0]);
3944 }
3945 else if (!_cups_strcasecmp(line, "</Limit>") && op)
3946 {
3947 /*
3948 * Finish the current operation limit...
3949 */
3950
3951 if (num_ops > 1)
3952 {
3953 /*
3954 * Copy the policy to the other operations...
3955 */
3956
3957 for (i = 1; i < num_ops; i ++)
3958 cupsdAddPolicyOp(pol, op, ops[i]);
3959 }
3960
3961 op = NULL;
3962 }
3963 else if (!value)
3964 {
3965 cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value on line %d of %s.", linenum, ConfigurationFile);
3966 if (FatalErrors & CUPSD_FATAL_CONFIG)
3967 return (0);
3968 }
3969 else if (!_cups_strcasecmp(line, "JobPrivateAccess") ||
3970 !_cups_strcasecmp(line, "JobPrivateValues") ||
3971 !_cups_strcasecmp(line, "SubscriptionPrivateAccess") ||
3972 !_cups_strcasecmp(line, "SubscriptionPrivateValues"))
3973 {
3974 if (op)
3975 {
3976 cupsdLogMessage(CUPSD_LOG_ERROR,
3977 "%s directive must appear outside <Limit>...</Limit> "
3978 "on line %d of %s.", line, linenum, ConfigurationFile);
3979 if (FatalErrors & CUPSD_FATAL_CONFIG)
3980 return (0);
3981 }
3982 else
3983 {
3984 /*
3985 * Pull out whitespace-delimited values...
3986 */
3987
3988 while (*value)
3989 {
3990 /*
3991 * Find the end of the current value...
3992 */
3993
3994 for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
3995
3996 if (*valptr)
3997 *valptr++ = '\0';
3998
3999 /*
4000 * Save it appropriately...
4001 */
4002
4003 if (!_cups_strcasecmp(line, "JobPrivateAccess"))
4004 {
4005 /*
4006 * JobPrivateAccess {all|default|user/group list|@@ACL}
4007 */
4008
4009 if (!_cups_strcasecmp(value, "default"))
4010 {
4011 cupsdAddString(&(pol->job_access), "@OWNER");
4012 cupsdAddString(&(pol->job_access), "@SYSTEM");
4013 }
4014 else
4015 cupsdAddString(&(pol->job_access), value);
4016 }
4017 else if (!_cups_strcasecmp(line, "JobPrivateValues"))
4018 {
4019 /*
4020 * JobPrivateValues {all|none|default|attribute list}
4021 */
4022
4023 if (!_cups_strcasecmp(value, "default"))
4024 {
4025 cupsdAddString(&(pol->job_attrs), "job-name");
4026 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
4027 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
4028 cupsdAddString(&(pol->job_attrs), "phone");
4029 }
4030 else
4031 cupsdAddString(&(pol->job_attrs), value);
4032 }
4033 else if (!_cups_strcasecmp(line, "SubscriptionPrivateAccess"))
4034 {
4035 /*
4036 * SubscriptionPrivateAccess {all|default|user/group list|@@ACL}
4037 */
4038
4039 if (!_cups_strcasecmp(value, "default"))
4040 {
4041 cupsdAddString(&(pol->sub_access), "@OWNER");
4042 cupsdAddString(&(pol->sub_access), "@SYSTEM");
4043 }
4044 else
4045 cupsdAddString(&(pol->sub_access), value);
4046 }
4047 else /* if (!_cups_strcasecmp(line, "SubscriptionPrivateValues")) */
4048 {
4049 /*
4050 * SubscriptionPrivateValues {all|none|default|attribute list}
4051 */
4052
4053 if (!_cups_strcasecmp(value, "default"))
4054 {
4055 cupsdAddString(&(pol->sub_attrs), "notify-events");
4056 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4057 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4058 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4059 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4060 }
4061 else
4062 cupsdAddString(&(pol->sub_attrs), value);
4063 }
4064
4065 /*
4066 * Find the next string on the line...
4067 */
4068
4069 for (value = valptr; isspace(*value & 255); value ++);
4070 }
4071 }
4072 }
4073 else if (!op)
4074 {
4075 cupsdLogMessage(CUPSD_LOG_ERROR,
4076 "Missing <Limit ops> directive before %s on line %d of %s.",
4077 line, linenum, ConfigurationFile);
4078 if (FatalErrors & CUPSD_FATAL_CONFIG)
4079 return (0);
4080 }
4081 else if (!parse_aaa(op, line, value, linenum))
4082 {
4083 cupsdLogMessage(CUPSD_LOG_ERROR,
4084 "Unknown Policy Limit directive %s on line %d of %s.",
4085 line, linenum, ConfigurationFile);
4086
4087 if (FatalErrors & CUPSD_FATAL_CONFIG)
4088 return (0);
4089 }
4090 }
4091
4092 cupsdLogMessage(CUPSD_LOG_ERROR,
4093 "Unexpected end-of-file at line %d while reading policy "
4094 "\"%s\".", linenum, policy);
4095
4096 return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
4097 }
4098
4099
4100 /*
4101 * 'set_policy_defaults()' - Set default policy values as needed.
4102 */
4103
4104 static void
set_policy_defaults(cupsd_policy_t * pol)4105 set_policy_defaults(cupsd_policy_t *pol)/* I - Policy */
4106 {
4107 cupsd_location_t *op; /* Policy operation */
4108
4109
4110 /*
4111 * Verify that we have an explicit policy for Validate-Job, Cancel-Jobs,
4112 * Cancel-My-Jobs, Close-Job, and CUPS-Get-Document, which ensures that
4113 * upgrades do not introduce new security issues...
4114 *
4115 * CUPS STR #4659: Allow a lone <Limit All> policy.
4116 */
4117
4118 if (cupsArrayCount(pol->ops) > 1)
4119 {
4120 if ((op = cupsdFindPolicyOp(pol, IPP_VALIDATE_JOB)) == NULL ||
4121 op->op == IPP_ANY_OPERATION)
4122 {
4123 if ((op = cupsdFindPolicyOp(pol, IPP_PRINT_JOB)) != NULL &&
4124 op->op != IPP_ANY_OPERATION)
4125 {
4126 /*
4127 * Add a new limit for Validate-Job using the Print-Job limit as a
4128 * template...
4129 */
4130
4131 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s - using Print-Job's policy.", pol->name);
4132
4133 cupsdAddPolicyOp(pol, op, IPP_VALIDATE_JOB);
4134 }
4135 else
4136 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Validate-Job defined in policy %s and no suitable template found.", pol->name);
4137 }
4138
4139 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_JOBS)) == NULL ||
4140 op->op == IPP_ANY_OPERATION)
4141 {
4142 if ((op = cupsdFindPolicyOp(pol, IPP_PAUSE_PRINTER)) != NULL &&
4143 op->op != IPP_ANY_OPERATION)
4144 {
4145 /*
4146 * Add a new limit for Cancel-Jobs using the Pause-Printer limit as a
4147 * template...
4148 */
4149
4150 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s - using Pause-Printer's policy.", pol->name);
4151
4152 cupsdAddPolicyOp(pol, op, IPP_CANCEL_JOBS);
4153 }
4154 else
4155 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-Jobs defined in policy %s and no suitable template found.", pol->name);
4156 }
4157
4158 if ((op = cupsdFindPolicyOp(pol, IPP_CANCEL_MY_JOBS)) == NULL ||
4159 op->op == IPP_ANY_OPERATION)
4160 {
4161 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4162 op->op != IPP_ANY_OPERATION)
4163 {
4164 /*
4165 * Add a new limit for Cancel-My-Jobs using the Send-Document limit as
4166 * a template...
4167 */
4168
4169 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s - using Send-Document's policy.", pol->name);
4170
4171 cupsdAddPolicyOp(pol, op, IPP_CANCEL_MY_JOBS);
4172 }
4173 else
4174 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Cancel-My-Jobs defined in policy %s and no suitable template found.", pol->name);
4175 }
4176
4177 if ((op = cupsdFindPolicyOp(pol, IPP_CLOSE_JOB)) == NULL ||
4178 op->op == IPP_ANY_OPERATION)
4179 {
4180 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4181 op->op != IPP_ANY_OPERATION)
4182 {
4183 /*
4184 * Add a new limit for Close-Job using the Send-Document limit as a
4185 * template...
4186 */
4187
4188 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s - using Send-Document's policy.", pol->name);
4189
4190 cupsdAddPolicyOp(pol, op, IPP_CLOSE_JOB);
4191 }
4192 else
4193 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for Close-Job defined in policy %s and no suitable template found.", pol->name);
4194 }
4195
4196 if ((op = cupsdFindPolicyOp(pol, CUPS_GET_DOCUMENT)) == NULL ||
4197 op->op == IPP_ANY_OPERATION)
4198 {
4199 if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
4200 op->op != IPP_ANY_OPERATION)
4201 {
4202 /*
4203 * Add a new limit for CUPS-Get-Document using the Send-Document
4204 * limit as a template...
4205 */
4206
4207 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s - using Send-Document's policy.", pol->name);
4208
4209 cupsdAddPolicyOp(pol, op, CUPS_GET_DOCUMENT);
4210 }
4211 else
4212 cupsdLogMessage(CUPSD_LOG_WARN, "No limit for CUPS-Get-Document defined in policy %s and no suitable template found.", pol->name);
4213 }
4214 }
4215
4216 /*
4217 * Verify we have JobPrivateAccess, JobPrivateValues,
4218 * SubscriptionPrivateAccess, and SubscriptionPrivateValues in the policy.
4219 */
4220
4221 if (!pol->job_access)
4222 {
4223 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateAccess defined in policy %s - using defaults.", pol->name);
4224 cupsdAddString(&(pol->job_access), "@OWNER");
4225 cupsdAddString(&(pol->job_access), "@SYSTEM");
4226 }
4227
4228 if (!pol->job_attrs)
4229 {
4230 cupsdLogMessage(CUPSD_LOG_WARN, "No JobPrivateValues defined in policy %s - using defaults.", pol->name);
4231 cupsdAddString(&(pol->job_attrs), "job-name");
4232 cupsdAddString(&(pol->job_attrs), "job-originating-host-name");
4233 cupsdAddString(&(pol->job_attrs), "job-originating-user-name");
4234 cupsdAddString(&(pol->job_attrs), "phone");
4235 }
4236
4237 if (!pol->sub_access)
4238 {
4239 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateAccess defined in policy %s - using defaults.", pol->name);
4240 cupsdAddString(&(pol->sub_access), "@OWNER");
4241 cupsdAddString(&(pol->sub_access), "@SYSTEM");
4242 }
4243
4244 if (!pol->sub_attrs)
4245 {
4246 cupsdLogMessage(CUPSD_LOG_WARN, "No SubscriptionPrivateValues defined in policy %s - using defaults.", pol->name);
4247 cupsdAddString(&(pol->sub_attrs), "notify-events");
4248 cupsdAddString(&(pol->sub_attrs), "notify-pull-method");
4249 cupsdAddString(&(pol->sub_attrs), "notify-recipient-uri");
4250 cupsdAddString(&(pol->sub_attrs), "notify-subscriber-user-name");
4251 cupsdAddString(&(pol->sub_attrs), "notify-user-data");
4252 }
4253 }
4254