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ef416fc2 | 1 | /* |
e07d4801 | 2 | * "$Id: usersys.c 8498 2009-04-13 17:03:15Z mike $" |
ef416fc2 | 3 | * |
5a6b583a | 4 | * User, system, and password routines for CUPS. |
ef416fc2 | 5 | * |
5a6b583a | 6 | * Copyright 2007-2010 by Apple Inc. |
ef416fc2 | 7 | * Copyright 1997-2006 by Easy Software Products. |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
5a6b583a | 19 | * cupsEncryption() - Get the current encryption settings. |
b423cd4c | 20 | * cupsGetPassword() - Get a password from the user. |
5a6b583a MS |
21 | * cupsGetPassword2() - Get a password from the user using the advanced |
22 | * password callback. | |
23 | * cupsServer() - Return the hostname/address of the current | |
e07d4801 | 24 | * server. |
7cf5915e | 25 | * cupsSetClientCertCB() - Set the client certificate callback. |
b423cd4c | 26 | * cupsSetEncryption() - Set the encryption preference. |
27 | * cupsSetPasswordCB() - Set the password callback for CUPS. | |
f11a948a | 28 | * cupsSetPasswordCB2() - Set the advanced password callback for CUPS. |
5a6b583a | 29 | * cupsSetServer() - Set the default server name and port. |
7cf5915e | 30 | * cupsSetServerCertCB() - Set the server certificate callback. |
b423cd4c | 31 | * cupsSetUser() - Set the default user name. |
e07d4801 | 32 | * cupsUser() - Return the current user's name. |
b423cd4c | 33 | * _cupsGetPassword() - Get a password from the user. |
e07d4801 MS |
34 | * _cupsSetDefaults() - Set the default server, port, and encryption. |
35 | * cups_read_client_conf() - Read a client.conf file. | |
ef416fc2 | 36 | */ |
37 | ||
38 | /* | |
39 | * Include necessary headers... | |
40 | */ | |
41 | ||
71e16022 | 42 | #include "cups-private.h" |
ef416fc2 | 43 | #include <stdlib.h> |
e00b005a | 44 | #include <sys/stat.h> |
ef416fc2 | 45 | #ifdef WIN32 |
46 | # include <windows.h> | |
5a6b583a MS |
47 | #else |
48 | # include <pwd.h> | |
ef416fc2 | 49 | #endif /* WIN32 */ |
50 | ||
51 | ||
b423cd4c | 52 | /* |
53 | * Local functions... | |
54 | */ | |
55 | ||
e07d4801 MS |
56 | static void cups_read_client_conf(cups_file_t *fp, |
57 | _cups_globals_t *cg, | |
58 | const char *cups_encryption, | |
7cf5915e MS |
59 | const char *cups_server, |
60 | const char *cups_anyroot, | |
61 | const char *cups_expiredroot, | |
62 | const char *cups_expiredcerts); | |
b423cd4c | 63 | |
64 | ||
ef416fc2 | 65 | /* |
5a6b583a | 66 | * 'cupsEncryption()' - Get the current encryption settings. |
ef416fc2 | 67 | * |
68 | * The default encryption setting comes from the CUPS_ENCRYPTION | |
568fa3fa | 69 | * environment variable, then the ~/.cups/client.conf file, and finally the |
ef416fc2 | 70 | * /etc/cups/client.conf file. If not set, the default is |
5a738aea | 71 | * @code HTTP_ENCRYPT_IF_REQUESTED@. |
5a6b583a MS |
72 | * |
73 | * Note: The current encryption setting is tracked separately for each thread | |
74 | * in a program. Multi-threaded programs that override the setting via the | |
75 | * @link cupsSetEncryption@ function need to do so in each thread for the same | |
76 | * setting to be used. | |
ef416fc2 | 77 | */ |
78 | ||
79 | http_encryption_t /* O - Encryption settings */ | |
80 | cupsEncryption(void) | |
81 | { | |
ef416fc2 | 82 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
83 | ||
84 | ||
ef416fc2 | 85 | if (cg->encryption == (http_encryption_t)-1) |
e07d4801 | 86 | _cupsSetDefaults(); |
ef416fc2 | 87 | |
88 | return (cg->encryption); | |
89 | } | |
90 | ||
91 | ||
92 | /* | |
93 | * 'cupsGetPassword()' - Get a password from the user. | |
94 | * | |
5a738aea | 95 | * Uses the current password callback function. Returns @code NULL@ if the |
ecdc0628 | 96 | * user does not provide a password. |
5a6b583a MS |
97 | * |
98 | * Note: The current password callback function is tracked separately for each | |
99 | * thread in a program. Multi-threaded programs that override the setting via | |
100 | * the @link cupsSetPasswordCB@ or @link cupsSetPasswordCB2@ functions need to | |
101 | * do so in each thread for the same function to be used. | |
ef416fc2 | 102 | */ |
103 | ||
104 | const char * /* O - Password */ | |
105 | cupsGetPassword(const char *prompt) /* I - Prompt string */ | |
106 | { | |
f11a948a MS |
107 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
108 | ||
109 | ||
110 | return ((cg->password_cb)(prompt, NULL, NULL, NULL, cg->password_data)); | |
111 | } | |
112 | ||
113 | ||
114 | /* | |
115 | * 'cupsGetPassword2()' - Get a password from the user using the advanced | |
5a6b583a | 116 | * password callback. |
f11a948a MS |
117 | * |
118 | * Uses the current password callback function. Returns @code NULL@ if the | |
119 | * user does not provide a password. | |
120 | * | |
5a6b583a MS |
121 | * Note: The current password callback function is tracked separately for each |
122 | * thread in a program. Multi-threaded programs that override the setting via | |
123 | * the @link cupsSetPasswordCB@ or @link cupsSetPasswordCB2@ functions need to | |
124 | * do so in each thread for the same function to be used. | |
125 | * | |
178cb736 | 126 | * @since CUPS 1.4/Mac OS X 10.6@ |
f11a948a MS |
127 | */ |
128 | ||
129 | const char * /* O - Password */ | |
130 | cupsGetPassword2(const char *prompt, /* I - Prompt string */ | |
131 | http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
132 | const char *method, /* I - Request method ("GET", "POST", "PUT") */ | |
133 | const char *resource) /* I - Resource path */ | |
134 | { | |
135 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
136 | ||
137 | ||
138 | if (!http) | |
139 | http = _cupsConnect(); | |
140 | ||
141 | return ((cg->password_cb)(prompt, http, method, resource, cg->password_data)); | |
ef416fc2 | 142 | } |
143 | ||
144 | ||
ef416fc2 | 145 | /* |
5a6b583a MS |
146 | * 'cupsServer()' - Return the hostname/address of the current server. |
147 | * | |
148 | * The default server comes from the CUPS_SERVER environment variable, then the | |
149 | * ~/.cups/client.conf file, and finally the /etc/cups/client.conf file. If not | |
150 | * set, the default is the local system - either "localhost" or a domain socket | |
151 | * path. | |
ef416fc2 | 152 | * |
5a6b583a MS |
153 | * The returned value can be a fully-qualified hostname, a numeric IPv4 or IPv6 |
154 | * address, or a domain socket pathname. | |
155 | * | |
156 | * Note: The current server is tracked separately for each thread in a program. | |
157 | * Multi-threaded programs that override the server via the | |
158 | * @link cupsSetServer@ function need to do so in each thread for the same | |
159 | * server to be used. | |
ef416fc2 | 160 | */ |
161 | ||
162 | const char * /* O - Server name */ | |
163 | cupsServer(void) | |
164 | { | |
ef416fc2 | 165 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
166 | ||
167 | ||
ef416fc2 | 168 | if (!cg->server[0]) |
e07d4801 | 169 | _cupsSetDefaults(); |
ef416fc2 | 170 | |
e07d4801 MS |
171 | return (cg->server); |
172 | } | |
ef416fc2 | 173 | |
d09495fa | 174 | |
7cf5915e MS |
175 | /* |
176 | * 'cupsSetClientCertCB()' - Set the client certificate callback. | |
177 | * | |
178 | * Pass @code NULL@ to restore the default callback. | |
179 | * | |
180 | * Note: The current certificate callback is tracked separately for each thread | |
181 | * in a program. Multi-threaded programs that override the callback need to do | |
182 | * so in each thread for the same callback to be used. | |
183 | * | |
184 | * @since CUPS 1.5@ | |
185 | */ | |
186 | ||
187 | void | |
188 | cupsSetClientCertCB( | |
189 | cups_client_cert_cb_t cb, /* I - Callback function */ | |
190 | void *user_data) /* I - User data pointer */ | |
191 | { | |
192 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
193 | ||
194 | ||
195 | cg->client_cert_cb = cb; | |
196 | cg->client_cert_data = user_data; | |
197 | } | |
198 | ||
199 | ||
200 | /* | |
201 | * 'cupsSetCredentials()' - Set the default credentials to be used for SSL/TLS | |
202 | * connections. | |
203 | * | |
204 | * Note: The default credentials are tracked separately for each thread in a | |
205 | * program. Multi-threaded programs that override the setting need to do so in | |
206 | * each thread for the same setting to be used. | |
207 | * | |
208 | * @since CUPS 1.5@ | |
209 | */ | |
210 | ||
211 | int /* O - Status of call (0 = success) */ | |
212 | cupsSetCredentials( | |
213 | cups_array_t *credentials) /* I - Array of credentials */ | |
214 | { | |
215 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
216 | ||
217 | ||
218 | if (cupsArrayCount(credentials) < 1) | |
219 | return (-1); | |
220 | ||
221 | _httpFreeCredentials(cg->tls_credentials); | |
222 | cg->tls_credentials = _httpConvertCredentials(credentials); | |
223 | ||
224 | return (cg->tls_credentials ? 0 : -1); | |
225 | } | |
226 | ||
227 | ||
e07d4801 MS |
228 | /* |
229 | * 'cupsSetEncryption()' - Set the encryption preference. | |
5a6b583a MS |
230 | * |
231 | * The default encryption setting comes from the CUPS_ENCRYPTION | |
232 | * environment variable, then the ~/.cups/client.conf file, and finally the | |
233 | * /etc/cups/client.conf file. If not set, the default is | |
234 | * @code HTTP_ENCRYPT_IF_REQUESTED@. | |
235 | * | |
236 | * Note: The current encryption setting is tracked separately for each thread | |
237 | * in a program. Multi-threaded programs that override the setting need to do | |
238 | * so in each thread for the same setting to be used. | |
e07d4801 | 239 | */ |
ef416fc2 | 240 | |
e07d4801 MS |
241 | void |
242 | cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */ | |
243 | { | |
244 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
ef416fc2 | 245 | |
ef416fc2 | 246 | |
e07d4801 | 247 | cg->encryption = e; |
ef416fc2 | 248 | |
e07d4801 MS |
249 | if (cg->http) |
250 | httpEncryption(cg->http, e); | |
ef416fc2 | 251 | } |
252 | ||
253 | ||
254 | /* | |
255 | * 'cupsSetPasswordCB()' - Set the password callback for CUPS. | |
256 | * | |
5a6b583a MS |
257 | * Pass @code NULL@ to restore the default (console) password callback, which |
258 | * reads the password from the console. Programs should call either this | |
259 | * function or @link cupsSetPasswordCB2@, as only one callback can be registered | |
260 | * by a program per thread. | |
261 | * | |
262 | * Note: The current password callback is tracked separately for each thread | |
263 | * in a program. Multi-threaded programs that override the callback need to do | |
264 | * so in each thread for the same callback to be used. | |
ef416fc2 | 265 | */ |
266 | ||
267 | void | |
268 | cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */ | |
269 | { | |
270 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
271 | ||
272 | ||
f11a948a MS |
273 | if (cb == (cups_password_cb_t)0) |
274 | cg->password_cb = (cups_password_cb2_t)_cupsGetPassword; | |
275 | else | |
276 | cg->password_cb = (cups_password_cb2_t)cb; | |
277 | ||
278 | cg->password_data = NULL; | |
279 | } | |
280 | ||
281 | ||
282 | /* | |
283 | * 'cupsSetPasswordCB2()' - Set the advanced password callback for CUPS. | |
284 | * | |
5a6b583a MS |
285 | * Pass @code NULL@ to restore the default (console) password callback, which |
286 | * reads the password from the console. Programs should call either this | |
287 | * function or @link cupsSetPasswordCB2@, as only one callback can be registered | |
288 | * by a program per thread. | |
289 | * | |
290 | * Note: The current password callback is tracked separately for each thread | |
291 | * in a program. Multi-threaded programs that override the callback need to do | |
292 | * so in each thread for the same callback to be used. | |
f11a948a | 293 | * |
178cb736 | 294 | * @since CUPS 1.4/Mac OS X 10.6@ |
f11a948a MS |
295 | */ |
296 | ||
297 | void | |
298 | cupsSetPasswordCB2( | |
299 | cups_password_cb2_t cb, /* I - Callback function */ | |
300 | void *user_data) /* I - User data pointer */ | |
301 | { | |
302 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
303 | ||
304 | ||
305 | if (cb == (cups_password_cb2_t)0) | |
306 | cg->password_cb = (cups_password_cb2_t)_cupsGetPassword; | |
ef416fc2 | 307 | else |
308 | cg->password_cb = cb; | |
f11a948a MS |
309 | |
310 | cg->password_data = user_data; | |
ef416fc2 | 311 | } |
312 | ||
313 | ||
314 | /* | |
5a6b583a | 315 | * 'cupsSetServer()' - Set the default server name and port. |
ef416fc2 | 316 | * |
317 | * The "server" string can be a fully-qualified hostname, a numeric | |
5a6b583a MS |
318 | * IPv4 or IPv6 address, or a domain socket pathname. Hostnames and numeric IP |
319 | * addresses can be optionally followed by a colon and port number to override | |
320 | * the default port 631, e.g. "hostname:8631". Pass @code NULL@ to restore the | |
321 | * default server name and port. | |
322 | * | |
323 | * Note: The current server is tracked separately for each thread in a program. | |
324 | * Multi-threaded programs that override the server need to do so in each | |
325 | * thread for the same server to be used. | |
ef416fc2 | 326 | */ |
327 | ||
328 | void | |
329 | cupsSetServer(const char *server) /* I - Server name */ | |
330 | { | |
331 | char *port; /* Pointer to port */ | |
332 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
333 | ||
334 | ||
335 | if (server) | |
336 | { | |
337 | strlcpy(cg->server, server, sizeof(cg->server)); | |
338 | ||
339 | if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL && | |
340 | !strchr(port, ']') && isdigit(port[1] & 255)) | |
341 | { | |
342 | *port++ = '\0'; | |
343 | ||
e07d4801 | 344 | cg->ipp_port = atoi(port); |
ef416fc2 | 345 | } |
346 | ||
347 | if (cg->server[0] == '/') | |
348 | strcpy(cg->servername, "localhost"); | |
349 | else | |
350 | strlcpy(cg->servername, cg->server, sizeof(cg->servername)); | |
351 | } | |
352 | else | |
353 | { | |
354 | cg->server[0] = '\0'; | |
355 | cg->servername[0] = '\0'; | |
356 | } | |
5a738aea MS |
357 | |
358 | if (cg->http) | |
359 | { | |
360 | httpClose(cg->http); | |
361 | cg->http = NULL; | |
362 | } | |
ef416fc2 | 363 | } |
364 | ||
365 | ||
7cf5915e MS |
366 | /* |
367 | * 'cupsSetServerCertCB()' - Set the server certificate callback. | |
368 | * | |
369 | * Pass @code NULL@ to restore the default callback. | |
370 | * | |
371 | * Note: The current credentials callback is tracked separately for each thread | |
372 | * in a program. Multi-threaded programs that override the callback need to do | |
373 | * so in each thread for the same callback to be used. | |
374 | * | |
375 | * @since CUPS 1.5@ | |
376 | */ | |
377 | ||
378 | void | |
379 | cupsSetServerCertCB( | |
380 | cups_server_cert_cb_t cb, /* I - Callback function */ | |
381 | void *user_data) /* I - User data pointer */ | |
382 | { | |
383 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
384 | ||
385 | ||
386 | cg->server_cert_cb = cb; | |
387 | cg->server_cert_data = user_data; | |
388 | } | |
389 | ||
390 | ||
ef416fc2 | 391 | /* |
392 | * 'cupsSetUser()' - Set the default user name. | |
393 | * | |
5a738aea | 394 | * Pass @code NULL@ to restore the default user name. |
5a6b583a MS |
395 | * |
396 | * Note: The current user name is tracked separately for each thread in a | |
397 | * program. Multi-threaded programs that override the user name need to do so | |
398 | * in each thread for the same user name to be used. | |
ef416fc2 | 399 | */ |
400 | ||
401 | void | |
402 | cupsSetUser(const char *user) /* I - User name */ | |
403 | { | |
404 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
405 | ||
406 | ||
407 | if (user) | |
408 | strlcpy(cg->user, user, sizeof(cg->user)); | |
409 | else | |
410 | cg->user[0] = '\0'; | |
411 | } | |
412 | ||
413 | ||
ef416fc2 | 414 | /* |
415 | * 'cupsUser()' - Return the current user's name. | |
5a6b583a MS |
416 | * |
417 | * Note: The current user name is tracked separately for each thread in a | |
418 | * program. Multi-threaded programs that override the user name with the | |
419 | * @link cupsSetUser@ function need to do so in each thread for the same user | |
420 | * name to be used. | |
ef416fc2 | 421 | */ |
422 | ||
423 | const char * /* O - User name */ | |
424 | cupsUser(void) | |
425 | { | |
6d2f911b | 426 | const char *user; /* USER environment variable */ |
ef416fc2 | 427 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
428 | ||
429 | ||
430 | if (!cg->user[0]) | |
431 | { | |
5a6b583a MS |
432 | #ifdef WIN32 |
433 | /* | |
434 | * Get the current user name from the OS... | |
435 | */ | |
ef416fc2 | 436 | |
5a6b583a | 437 | DWORD size; /* Size of string */ |
ef416fc2 | 438 | |
439 | size = sizeof(cg->user); | |
440 | if (!GetUserName(cg->user, &size)) | |
ef416fc2 | 441 | #else |
ef416fc2 | 442 | /* |
5a6b583a | 443 | * Get the user name corresponding to the current UID... |
ef416fc2 | 444 | */ |
445 | ||
5a6b583a | 446 | struct passwd *pwd; /* User/password entry */ |
ef416fc2 | 447 | |
5a6b583a MS |
448 | setpwent(); |
449 | if ((pwd = getpwuid(getuid())) != NULL) | |
ef416fc2 | 450 | { |
451 | /* | |
5a6b583a | 452 | * Found a match! |
ef416fc2 | 453 | */ |
454 | ||
ef416fc2 | 455 | strlcpy(cg->user, pwd->pw_name, sizeof(cg->user)); |
456 | } | |
5a6b583a MS |
457 | else |
458 | #endif /* WIN32 */ | |
6d2f911b MS |
459 | if ((user = getenv("USER")) != NULL) |
460 | { | |
461 | /* | |
462 | * Use the username from the "USER" environment variable... | |
463 | */ | |
464 | strlcpy(cg->user, user, sizeof(cg->user)); | |
465 | } | |
466 | else | |
5a6b583a MS |
467 | { |
468 | /* | |
469 | * Use the default "unknown" user name... | |
470 | */ | |
6d2f911b | 471 | |
5a6b583a MS |
472 | strcpy(cg->user, "unknown"); |
473 | } | |
ef416fc2 | 474 | } |
475 | ||
476 | return (cg->user); | |
477 | } | |
478 | ||
479 | ||
480 | /* | |
481 | * '_cupsGetPassword()' - Get a password from the user. | |
482 | */ | |
483 | ||
484 | const char * /* O - Password */ | |
485 | _cupsGetPassword(const char *prompt) /* I - Prompt string */ | |
486 | { | |
5a6b583a MS |
487 | #ifdef WIN32 |
488 | /* | |
489 | * Currently no console password support is provided on Windows. | |
490 | */ | |
491 | ||
492 | return (NULL); | |
493 | ||
494 | #else | |
495 | /* | |
7cf5915e MS |
496 | * Use the standard getpass function to get a password from the console. An |
497 | * empty password is treated as canceling the authentication request. | |
5a6b583a MS |
498 | */ |
499 | ||
7cf5915e MS |
500 | const char *password = getpass(prompt); |
501 | /* Password string */ | |
502 | ||
503 | if (!password || !password[0]) | |
504 | return (NULL); | |
505 | else | |
506 | return (password); | |
ef416fc2 | 507 | #endif /* WIN32 */ |
5a6b583a | 508 | } |
ef416fc2 | 509 | |
510 | ||
511 | /* | |
e07d4801 | 512 | * '_cupsSetDefaults()' - Set the default server, port, and encryption. |
b423cd4c | 513 | */ |
514 | ||
e07d4801 MS |
515 | void |
516 | _cupsSetDefaults(void) | |
b423cd4c | 517 | { |
518 | cups_file_t *fp; /* File */ | |
e07d4801 MS |
519 | const char *home, /* Home directory of user */ |
520 | *cups_encryption, /* CUPS_ENCRYPTION env var */ | |
7cf5915e MS |
521 | *cups_server, /* CUPS_SERVER env var */ |
522 | *cups_anyroot, /* CUPS_ANYROOT env var */ | |
523 | *cups_expiredroot, /* CUPS_EXPIREDROOT env var */ | |
524 | *cups_expiredcerts; /* CUPS_EXPIREDCERTS env var */ | |
b423cd4c | 525 | char filename[1024]; /* Filename */ |
526 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
527 | ||
528 | ||
e07d4801 MS |
529 | DEBUG_puts("_cupsSetDefaults()"); |
530 | ||
531 | /* | |
532 | * First collect environment variables... | |
533 | */ | |
534 | ||
7cf5915e MS |
535 | cups_encryption = getenv("CUPS_ENCRYPTION"); |
536 | cups_server = getenv("CUPS_SERVER"); | |
537 | cups_anyroot = getenv("CUPS_ANYROOT"); | |
538 | cups_expiredroot = getenv("CUPS_EXPIREDROOT"); | |
539 | cups_expiredcerts = getenv("CUPS_EXPIREDCERTS"); | |
e07d4801 MS |
540 | |
541 | /* | |
542 | * Then, if needed, the .cups/client.conf or .cupsrc file in the home | |
543 | * directory... | |
544 | */ | |
545 | ||
546 | if ((cg->encryption == (http_encryption_t)-1 || !cg->server[0] || | |
547 | !cg->ipp_port) && (home = getenv("HOME")) != NULL) | |
b423cd4c | 548 | { |
549 | /* | |
5a6b583a | 550 | * Look for ~/.cups/client.conf... |
b423cd4c | 551 | */ |
552 | ||
553 | snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home); | |
5a6b583a | 554 | if ((fp = cupsFileOpen(filename, "r")) != NULL) |
e07d4801 | 555 | { |
7cf5915e MS |
556 | cups_read_client_conf(fp, cg, cups_encryption, cups_server, |
557 | cups_anyroot, cups_expiredroot, | |
558 | cups_expiredcerts); | |
559 | ||
e07d4801 MS |
560 | cupsFileClose(fp); |
561 | } | |
562 | } | |
563 | ||
564 | if (cg->encryption == (http_encryption_t)-1 || !cg->server[0] || | |
565 | !cg->ipp_port) | |
566 | { | |
567 | /* | |
568 | * Look for CUPS_SERVERROOT/client.conf... | |
569 | */ | |
570 | ||
571 | snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot); | |
b423cd4c | 572 | if ((fp = cupsFileOpen(filename, "r")) != NULL) |
d09495fa | 573 | { |
7cf5915e MS |
574 | cups_read_client_conf(fp, cg, cups_encryption, cups_server, |
575 | cups_anyroot, cups_expiredroot, | |
576 | cups_expiredcerts); | |
e07d4801 MS |
577 | cupsFileClose(fp); |
578 | } | |
579 | } | |
580 | ||
581 | /* | |
582 | * If we still have things that aren't set, use the compiled in defaults... | |
583 | */ | |
584 | ||
585 | if (cg->encryption == (http_encryption_t)-1) | |
586 | cg->encryption = HTTP_ENCRYPT_IF_REQUESTED; | |
587 | ||
588 | if (!cg->server[0]) | |
589 | { | |
590 | if (!cups_server) | |
591 | { | |
592 | #ifdef CUPS_DEFAULT_DOMAINSOCKET | |
593 | /* | |
594 | * If we are compiled with domain socket support, only use the | |
595 | * domain socket if it exists and has the right permissions... | |
596 | */ | |
597 | ||
598 | struct stat sockinfo; /* Domain socket information */ | |
599 | ||
600 | if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) && | |
601 | (sockinfo.st_mode & S_IRWXO) == S_IRWXO) | |
602 | cups_server = CUPS_DEFAULT_DOMAINSOCKET; | |
603 | else | |
604 | #endif /* CUPS_DEFAULT_DOMAINSOCKET */ | |
605 | cups_server = "localhost"; | |
606 | } | |
607 | ||
608 | cupsSetServer(cups_server); | |
609 | } | |
610 | ||
611 | if (!cg->ipp_port) | |
612 | { | |
613 | const char *ipp_port; /* IPP_PORT environment variable */ | |
6d2f911b | 614 | struct servent *service; /* Port number info */ |
e07d4801 MS |
615 | |
616 | ||
617 | if ((ipp_port = getenv("IPP_PORT")) != NULL) | |
618 | { | |
619 | if ((cg->ipp_port = atoi(ipp_port)) <= 0) | |
620 | cg->ipp_port = CUPS_DEFAULT_IPP_PORT; | |
d09495fa | 621 | } |
e07d4801 MS |
622 | else if ((service = getservbyname("ipp", NULL)) == NULL || |
623 | service->s_port <= 0) | |
624 | cg->ipp_port = CUPS_DEFAULT_IPP_PORT; | |
625 | else | |
626 | cg->ipp_port = ntohs(service->s_port); | |
627 | } | |
628 | } | |
629 | ||
630 | ||
631 | /* | |
632 | * 'cups_read_client_conf()' - Read a client.conf file. | |
633 | */ | |
634 | ||
635 | static void | |
636 | cups_read_client_conf( | |
637 | cups_file_t *fp, /* I - File to read */ | |
638 | _cups_globals_t *cg, /* I - Global data */ | |
639 | const char *cups_encryption, /* I - CUPS_ENCRYPTION env var */ | |
7cf5915e MS |
640 | const char *cups_server, /* I - CUPS_SERVER env var */ |
641 | const char *cups_anyroot, /* I - CUPS_ANYROOT env var */ | |
642 | const char *cups_expiredroot, /* I - CUPS_EXPIREDROOT env var */ | |
643 | const char *cups_expiredcerts) /* I - CUPS_EXPIREDCERTS env var */ | |
e07d4801 MS |
644 | { |
645 | int linenum; /* Current line number */ | |
646 | char line[1024], /* Line from file */ | |
647 | *value, /* Pointer into line */ | |
648 | encryption[1024], /* Encryption value */ | |
7cf5915e MS |
649 | server_name[1024], /* ServerName value */ |
650 | any_root[1024], /* AllowAnyRoot value */ | |
651 | expired_root[1024], /* AllowExpiredRoot value */ | |
652 | expired_certs[1024]; /* AllowExpiredCerts value */ | |
e07d4801 MS |
653 | |
654 | ||
655 | /* | |
656 | * Read from the file... | |
657 | */ | |
658 | ||
659 | linenum = 0; | |
660 | while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum)) | |
661 | { | |
662 | if (!cups_encryption && cg->encryption == (http_encryption_t)-1 && | |
663 | !strcasecmp(line, "Encryption") && value) | |
664 | { | |
665 | strlcpy(encryption, value, sizeof(encryption)); | |
666 | cups_encryption = encryption; | |
667 | } | |
668 | else if (!cups_server && (!cg->server[0] || !cg->ipp_port) && | |
669 | !strcasecmp(line, "ServerName") && value) | |
670 | { | |
671 | strlcpy(server_name, value, sizeof(server_name)); | |
672 | cups_server = server_name; | |
673 | } | |
7cf5915e MS |
674 | else if (!cups_anyroot && !strcasecmp(line, "AllowAnyRoot") && value) |
675 | { | |
676 | strlcpy(any_root, value, sizeof(any_root)); | |
677 | cups_anyroot = any_root; | |
678 | } | |
679 | else if (!cups_expiredroot && !strcasecmp(line, "AllowExpiredRoot") && | |
680 | value) | |
681 | { | |
682 | strlcpy(expired_root, value, sizeof(expired_root)); | |
683 | cups_expiredroot = expired_root; | |
684 | } | |
685 | else if (!cups_expiredcerts && !strcasecmp(line, "AllowExpiredCerts") && | |
686 | value) | |
687 | { | |
688 | strlcpy(expired_certs, value, sizeof(expired_certs)); | |
689 | cups_expiredcerts = expired_certs; | |
690 | } | |
e07d4801 MS |
691 | } |
692 | ||
693 | /* | |
694 | * Set values... | |
695 | */ | |
696 | ||
697 | if (cg->encryption == (http_encryption_t)-1 && cups_encryption) | |
698 | { | |
699 | if (!strcasecmp(cups_encryption, "never")) | |
700 | cg->encryption = HTTP_ENCRYPT_NEVER; | |
701 | else if (!strcasecmp(cups_encryption, "always")) | |
702 | cg->encryption = HTTP_ENCRYPT_ALWAYS; | |
703 | else if (!strcasecmp(cups_encryption, "required")) | |
704 | cg->encryption = HTTP_ENCRYPT_REQUIRED; | |
705 | else | |
706 | cg->encryption = HTTP_ENCRYPT_IF_REQUESTED; | |
b423cd4c | 707 | } |
708 | ||
e07d4801 MS |
709 | if ((!cg->server[0] || !cg->ipp_port) && cups_server) |
710 | { | |
711 | if (!cg->server[0]) | |
712 | { | |
713 | /* | |
714 | * Copy server name... | |
715 | */ | |
716 | ||
717 | strlcpy(cg->server, cups_server, sizeof(cg->server)); | |
718 | ||
719 | if (cg->server[0] != '/' && (value = strrchr(cg->server, ':')) != NULL && | |
720 | !strchr(value, ']') && isdigit(value[1] & 255)) | |
721 | *value++ = '\0'; | |
722 | else | |
723 | value = NULL; | |
724 | ||
725 | if (cg->server[0] == '/') | |
726 | strcpy(cg->servername, "localhost"); | |
727 | else | |
728 | strlcpy(cg->servername, cg->server, sizeof(cg->servername)); | |
729 | } | |
730 | else if (cups_server[0] != '/' && | |
731 | (value = strrchr(cups_server, ':')) != NULL && | |
732 | !strchr(value, ']') && isdigit(value[1] & 255)) | |
733 | value ++; | |
734 | else | |
735 | value = NULL; | |
736 | ||
737 | if (!cg->ipp_port && value) | |
738 | cg->ipp_port = atoi(value); | |
739 | } | |
7cf5915e MS |
740 | |
741 | if (cups_anyroot) | |
742 | cg->any_root = !strcasecmp(cups_anyroot, "yes") || | |
743 | !strcasecmp(cups_anyroot, "on") || | |
744 | !strcasecmp(cups_anyroot, "true"); | |
745 | ||
746 | if (cups_expiredroot) | |
747 | cg->expired_root = !strcasecmp(cups_expiredroot, "yes") || | |
748 | !strcasecmp(cups_expiredroot, "on") || | |
749 | !strcasecmp(cups_expiredroot, "true"); | |
750 | ||
751 | if (cups_expiredcerts) | |
752 | cg->expired_certs = !strcasecmp(cups_expiredcerts, "yes") || | |
753 | !strcasecmp(cups_expiredcerts, "on") || | |
754 | !strcasecmp(cups_expiredcerts, "true"); | |
b423cd4c | 755 | } |
756 | ||
757 | ||
758 | /* | |
e07d4801 | 759 | * End of "$Id: usersys.c 8498 2009-04-13 17:03:15Z mike $". |
ef416fc2 | 760 | */ |