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Commit | Line | Data |
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ef416fc2 | 1 | /* |
83bc2aac MS |
2 | * User, system, and password routines for CUPS. |
3 | * | |
53af7f21 | 4 | * Copyright 2007-2017 by Apple Inc. |
83bc2aac MS |
5 | * Copyright 1997-2006 by Easy Software Products. |
6 | * | |
e3101897 | 7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more information. |
ef416fc2 | 8 | */ |
9 | ||
10 | /* | |
11 | * Include necessary headers... | |
12 | */ | |
13 | ||
71e16022 | 14 | #include "cups-private.h" |
ef416fc2 | 15 | #include <stdlib.h> |
e00b005a | 16 | #include <sys/stat.h> |
ef416fc2 | 17 | #ifdef WIN32 |
18 | # include <windows.h> | |
5a6b583a MS |
19 | #else |
20 | # include <pwd.h> | |
dcb445bc | 21 | # include <termios.h> |
db8b865d | 22 | # include <sys/utsname.h> |
ef416fc2 | 23 | #endif /* WIN32 */ |
24 | ||
25 | ||
dcb445bc MS |
26 | /* |
27 | * Local constants... | |
28 | */ | |
29 | ||
08d56b1f MS |
30 | #ifdef __APPLE__ |
31 | # define kCUPSPrintingPrefs CFSTR("org.cups.PrintingPrefs") | |
32 | # define kAllowAnyRootKey CFSTR("AllowAnyRoot") | |
33 | # define kAllowExpiredCertsKey CFSTR("AllowExpiredCerts") | |
34 | # define kEncryptionKey CFSTR("Encryption") | |
35 | # define kGSSServiceNameKey CFSTR("GSSServiceName") | |
36 | # define kSSLOptionsKey CFSTR("SSLOptions") | |
37 | # define kTrustOnFirstUseKey CFSTR("TrustOnFirstUse") | |
38 | # define kValidateCertsKey CFSTR("ValidateCerts") | |
39 | #endif /* __APPLE__ */ | |
40 | ||
dcb445bc MS |
41 | #define _CUPS_PASSCHAR '*' /* Character that is echoed for password */ |
42 | ||
43 | ||
3abb875b MS |
44 | /* |
45 | * Local types... | |
46 | */ | |
47 | ||
48 | typedef struct _cups_client_conf_s /**** client.conf config data ****/ | |
49 | { | |
50 | #ifdef HAVE_SSL | |
8f1fbdec MS |
51 | int ssl_options, /* SSLOptions values */ |
52 | ssl_min_version,/* Minimum SSL/TLS version */ | |
53 | ssl_max_version;/* Maximum SSL/TLS version */ | |
3abb875b | 54 | #endif /* HAVE_SSL */ |
08d56b1f MS |
55 | int trust_first, /* Trust on first use? */ |
56 | any_root, /* Allow any (e.g., self-signed) root */ | |
3abb875b MS |
57 | expired_certs, /* Allow expired certs */ |
58 | validate_certs; /* Validate certificates */ | |
59 | http_encryption_t encryption; /* Encryption setting */ | |
60 | char user[65], /* User name */ | |
61 | server_name[256]; | |
62 | /* Server hostname */ | |
63 | #ifdef HAVE_GSSAPI | |
64 | char gss_service_name[32]; | |
65 | /* Kerberos service name */ | |
66 | #endif /* HAVE_GSSAPI */ | |
67 | } _cups_client_conf_t; | |
68 | ||
69 | ||
b423cd4c | 70 | /* |
71 | * Local functions... | |
72 | */ | |
73 | ||
08d56b1f MS |
74 | #ifdef __APPLE__ |
75 | static int cups_apple_get_boolean(CFStringRef key, int *value); | |
76 | static int cups_apple_get_string(CFStringRef key, char *value, size_t valsize); | |
77 | #endif /* __APPLE__ */ | |
78 | static int cups_boolean_value(const char *value); | |
3abb875b MS |
79 | static void cups_finalize_client_conf(_cups_client_conf_t *cc); |
80 | static void cups_init_client_conf(_cups_client_conf_t *cc); | |
81 | static void cups_read_client_conf(cups_file_t *fp, _cups_client_conf_t *cc); | |
4b9daaf4 | 82 | static void cups_set_default_ipp_port(_cups_globals_t *cg); |
3abb875b | 83 | static void cups_set_encryption(_cups_client_conf_t *cc, const char *value); |
07ed0e9a | 84 | #ifdef HAVE_GSSAPI |
3abb875b | 85 | static void cups_set_gss_service_name(_cups_client_conf_t *cc, const char *value); |
07ed0e9a | 86 | #endif /* HAVE_GSSAPI */ |
3abb875b MS |
87 | static void cups_set_server_name(_cups_client_conf_t *cc, const char *value); |
88 | #ifdef HAVE_SSL | |
89 | static void cups_set_ssl_options(_cups_client_conf_t *cc, const char *value); | |
90 | #endif /* HAVE_SSL */ | |
91 | static void cups_set_user(_cups_client_conf_t *cc, const char *value); | |
b423cd4c | 92 | |
93 | ||
ef416fc2 | 94 | /* |
5a6b583a | 95 | * 'cupsEncryption()' - Get the current encryption settings. |
ef416fc2 | 96 | * |
97 | * The default encryption setting comes from the CUPS_ENCRYPTION | |
568fa3fa | 98 | * environment variable, then the ~/.cups/client.conf file, and finally the |
ef416fc2 | 99 | * /etc/cups/client.conf file. If not set, the default is |
cb7f98ee | 100 | * @code HTTP_ENCRYPTION_IF_REQUESTED@. |
5a6b583a MS |
101 | * |
102 | * Note: The current encryption setting is tracked separately for each thread | |
103 | * in a program. Multi-threaded programs that override the setting via the | |
104 | * @link cupsSetEncryption@ function need to do so in each thread for the same | |
105 | * setting to be used. | |
ef416fc2 | 106 | */ |
107 | ||
108 | http_encryption_t /* O - Encryption settings */ | |
109 | cupsEncryption(void) | |
110 | { | |
ef416fc2 | 111 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
112 | ||
113 | ||
ef416fc2 | 114 | if (cg->encryption == (http_encryption_t)-1) |
e07d4801 | 115 | _cupsSetDefaults(); |
ef416fc2 | 116 | |
117 | return (cg->encryption); | |
118 | } | |
119 | ||
120 | ||
121 | /* | |
122 | * 'cupsGetPassword()' - Get a password from the user. | |
123 | * | |
5a738aea | 124 | * Uses the current password callback function. Returns @code NULL@ if the |
ecdc0628 | 125 | * user does not provide a password. |
5a6b583a MS |
126 | * |
127 | * Note: The current password callback function is tracked separately for each | |
128 | * thread in a program. Multi-threaded programs that override the setting via | |
129 | * the @link cupsSetPasswordCB@ or @link cupsSetPasswordCB2@ functions need to | |
130 | * do so in each thread for the same function to be used. | |
53af7f21 MS |
131 | * |
132 | * @exclude all@ | |
ef416fc2 | 133 | */ |
134 | ||
135 | const char * /* O - Password */ | |
136 | cupsGetPassword(const char *prompt) /* I - Prompt string */ | |
137 | { | |
f11a948a MS |
138 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
139 | ||
140 | ||
141 | return ((cg->password_cb)(prompt, NULL, NULL, NULL, cg->password_data)); | |
142 | } | |
143 | ||
144 | ||
145 | /* | |
98d88c8d | 146 | * 'cupsGetPassword2()' - Get a password from the user using the current |
5a6b583a | 147 | * password callback. |
f11a948a MS |
148 | * |
149 | * Uses the current password callback function. Returns @code NULL@ if the | |
150 | * user does not provide a password. | |
151 | * | |
5a6b583a MS |
152 | * Note: The current password callback function is tracked separately for each |
153 | * thread in a program. Multi-threaded programs that override the setting via | |
98d88c8d MS |
154 | * the @link cupsSetPasswordCB2@ function need to do so in each thread for the |
155 | * same function to be used. | |
5a6b583a | 156 | * |
8072030b | 157 | * @since CUPS 1.4/macOS 10.6@ |
f11a948a MS |
158 | */ |
159 | ||
160 | const char * /* O - Password */ | |
161 | cupsGetPassword2(const char *prompt, /* I - Prompt string */ | |
162 | http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
163 | const char *method, /* I - Request method ("GET", "POST", "PUT") */ | |
164 | const char *resource) /* I - Resource path */ | |
165 | { | |
166 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
167 | ||
168 | ||
169 | if (!http) | |
170 | http = _cupsConnect(); | |
171 | ||
172 | return ((cg->password_cb)(prompt, http, method, resource, cg->password_data)); | |
ef416fc2 | 173 | } |
174 | ||
175 | ||
ef416fc2 | 176 | /* |
5a6b583a MS |
177 | * 'cupsServer()' - Return the hostname/address of the current server. |
178 | * | |
179 | * The default server comes from the CUPS_SERVER environment variable, then the | |
180 | * ~/.cups/client.conf file, and finally the /etc/cups/client.conf file. If not | |
181 | * set, the default is the local system - either "localhost" or a domain socket | |
182 | * path. | |
ef416fc2 | 183 | * |
5a6b583a MS |
184 | * The returned value can be a fully-qualified hostname, a numeric IPv4 or IPv6 |
185 | * address, or a domain socket pathname. | |
186 | * | |
187 | * Note: The current server is tracked separately for each thread in a program. | |
188 | * Multi-threaded programs that override the server via the | |
189 | * @link cupsSetServer@ function need to do so in each thread for the same | |
190 | * server to be used. | |
ef416fc2 | 191 | */ |
192 | ||
193 | const char * /* O - Server name */ | |
194 | cupsServer(void) | |
195 | { | |
ef416fc2 | 196 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
197 | ||
198 | ||
ef416fc2 | 199 | if (!cg->server[0]) |
e07d4801 | 200 | _cupsSetDefaults(); |
ef416fc2 | 201 | |
e07d4801 MS |
202 | return (cg->server); |
203 | } | |
ef416fc2 | 204 | |
d09495fa | 205 | |
7cf5915e MS |
206 | /* |
207 | * 'cupsSetClientCertCB()' - Set the client certificate callback. | |
208 | * | |
209 | * Pass @code NULL@ to restore the default callback. | |
210 | * | |
211 | * Note: The current certificate callback is tracked separately for each thread | |
212 | * in a program. Multi-threaded programs that override the callback need to do | |
213 | * so in each thread for the same callback to be used. | |
214 | * | |
8072030b | 215 | * @since CUPS 1.5/macOS 10.7@ |
7cf5915e MS |
216 | */ |
217 | ||
218 | void | |
219 | cupsSetClientCertCB( | |
220 | cups_client_cert_cb_t cb, /* I - Callback function */ | |
221 | void *user_data) /* I - User data pointer */ | |
222 | { | |
223 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
224 | ||
225 | ||
226 | cg->client_cert_cb = cb; | |
227 | cg->client_cert_data = user_data; | |
228 | } | |
229 | ||
230 | ||
231 | /* | |
232 | * 'cupsSetCredentials()' - Set the default credentials to be used for SSL/TLS | |
233 | * connections. | |
234 | * | |
235 | * Note: The default credentials are tracked separately for each thread in a | |
236 | * program. Multi-threaded programs that override the setting need to do so in | |
237 | * each thread for the same setting to be used. | |
238 | * | |
8072030b | 239 | * @since CUPS 1.5/macOS 10.7@ |
7cf5915e MS |
240 | */ |
241 | ||
242 | int /* O - Status of call (0 = success) */ | |
243 | cupsSetCredentials( | |
244 | cups_array_t *credentials) /* I - Array of credentials */ | |
245 | { | |
246 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
247 | ||
248 | ||
249 | if (cupsArrayCount(credentials) < 1) | |
250 | return (-1); | |
251 | ||
7d5824d6 | 252 | #ifdef HAVE_SSL |
7cf5915e | 253 | _httpFreeCredentials(cg->tls_credentials); |
85dda01c | 254 | cg->tls_credentials = _httpCreateCredentials(credentials); |
7d5824d6 | 255 | #endif /* HAVE_SSL */ |
7cf5915e MS |
256 | |
257 | return (cg->tls_credentials ? 0 : -1); | |
258 | } | |
259 | ||
260 | ||
e07d4801 MS |
261 | /* |
262 | * 'cupsSetEncryption()' - Set the encryption preference. | |
5a6b583a MS |
263 | * |
264 | * The default encryption setting comes from the CUPS_ENCRYPTION | |
265 | * environment variable, then the ~/.cups/client.conf file, and finally the | |
266 | * /etc/cups/client.conf file. If not set, the default is | |
cb7f98ee | 267 | * @code HTTP_ENCRYPTION_IF_REQUESTED@. |
5a6b583a MS |
268 | * |
269 | * Note: The current encryption setting is tracked separately for each thread | |
270 | * in a program. Multi-threaded programs that override the setting need to do | |
271 | * so in each thread for the same setting to be used. | |
e07d4801 | 272 | */ |
ef416fc2 | 273 | |
e07d4801 MS |
274 | void |
275 | cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */ | |
276 | { | |
277 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
ef416fc2 | 278 | |
ef416fc2 | 279 | |
e07d4801 | 280 | cg->encryption = e; |
ef416fc2 | 281 | |
e07d4801 MS |
282 | if (cg->http) |
283 | httpEncryption(cg->http, e); | |
ef416fc2 | 284 | } |
285 | ||
286 | ||
287 | /* | |
288 | * 'cupsSetPasswordCB()' - Set the password callback for CUPS. | |
289 | * | |
5a6b583a MS |
290 | * Pass @code NULL@ to restore the default (console) password callback, which |
291 | * reads the password from the console. Programs should call either this | |
292 | * function or @link cupsSetPasswordCB2@, as only one callback can be registered | |
293 | * by a program per thread. | |
294 | * | |
295 | * Note: The current password callback is tracked separately for each thread | |
296 | * in a program. Multi-threaded programs that override the callback need to do | |
297 | * so in each thread for the same callback to be used. | |
53af7f21 MS |
298 | * |
299 | * @exclude all@ | |
ef416fc2 | 300 | */ |
301 | ||
302 | void | |
303 | cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */ | |
304 | { | |
305 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
306 | ||
307 | ||
f11a948a MS |
308 | if (cb == (cups_password_cb_t)0) |
309 | cg->password_cb = (cups_password_cb2_t)_cupsGetPassword; | |
310 | else | |
311 | cg->password_cb = (cups_password_cb2_t)cb; | |
312 | ||
313 | cg->password_data = NULL; | |
314 | } | |
315 | ||
316 | ||
317 | /* | |
318 | * 'cupsSetPasswordCB2()' - Set the advanced password callback for CUPS. | |
319 | * | |
5a6b583a MS |
320 | * Pass @code NULL@ to restore the default (console) password callback, which |
321 | * reads the password from the console. Programs should call either this | |
322 | * function or @link cupsSetPasswordCB2@, as only one callback can be registered | |
323 | * by a program per thread. | |
324 | * | |
325 | * Note: The current password callback is tracked separately for each thread | |
326 | * in a program. Multi-threaded programs that override the callback need to do | |
327 | * so in each thread for the same callback to be used. | |
f11a948a | 328 | * |
8072030b | 329 | * @since CUPS 1.4/macOS 10.6@ |
f11a948a MS |
330 | */ |
331 | ||
332 | void | |
333 | cupsSetPasswordCB2( | |
334 | cups_password_cb2_t cb, /* I - Callback function */ | |
335 | void *user_data) /* I - User data pointer */ | |
336 | { | |
337 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
338 | ||
339 | ||
340 | if (cb == (cups_password_cb2_t)0) | |
341 | cg->password_cb = (cups_password_cb2_t)_cupsGetPassword; | |
ef416fc2 | 342 | else |
343 | cg->password_cb = cb; | |
f11a948a MS |
344 | |
345 | cg->password_data = user_data; | |
ef416fc2 | 346 | } |
347 | ||
348 | ||
349 | /* | |
5a6b583a | 350 | * 'cupsSetServer()' - Set the default server name and port. |
ef416fc2 | 351 | * |
352 | * The "server" string can be a fully-qualified hostname, a numeric | |
5a6b583a MS |
353 | * IPv4 or IPv6 address, or a domain socket pathname. Hostnames and numeric IP |
354 | * addresses can be optionally followed by a colon and port number to override | |
355 | * the default port 631, e.g. "hostname:8631". Pass @code NULL@ to restore the | |
356 | * default server name and port. | |
357 | * | |
358 | * Note: The current server is tracked separately for each thread in a program. | |
359 | * Multi-threaded programs that override the server need to do so in each | |
360 | * thread for the same server to be used. | |
ef416fc2 | 361 | */ |
362 | ||
363 | void | |
364 | cupsSetServer(const char *server) /* I - Server name */ | |
365 | { | |
0cb67df3 MS |
366 | char *options, /* Options */ |
367 | *port; /* Pointer to port */ | |
ef416fc2 | 368 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
369 | ||
370 | ||
371 | if (server) | |
372 | { | |
373 | strlcpy(cg->server, server, sizeof(cg->server)); | |
374 | ||
0cb67df3 MS |
375 | if (cg->server[0] != '/' && (options = strrchr(cg->server, '/')) != NULL) |
376 | { | |
377 | *options++ = '\0'; | |
378 | ||
379 | if (!strcmp(options, "version=1.0")) | |
380 | cg->server_version = 10; | |
381 | else if (!strcmp(options, "version=1.1")) | |
382 | cg->server_version = 11; | |
383 | else if (!strcmp(options, "version=2.0")) | |
384 | cg->server_version = 20; | |
385 | else if (!strcmp(options, "version=2.1")) | |
386 | cg->server_version = 21; | |
387 | else if (!strcmp(options, "version=2.2")) | |
388 | cg->server_version = 22; | |
389 | } | |
567f49cb MS |
390 | else |
391 | cg->server_version = 20; | |
0cb67df3 | 392 | |
ef416fc2 | 393 | if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL && |
394 | !strchr(port, ']') && isdigit(port[1] & 255)) | |
395 | { | |
396 | *port++ = '\0'; | |
397 | ||
e07d4801 | 398 | cg->ipp_port = atoi(port); |
ef416fc2 | 399 | } |
400 | ||
4b9daaf4 MS |
401 | if (!cg->ipp_port) |
402 | cups_set_default_ipp_port(cg); | |
403 | ||
ef416fc2 | 404 | if (cg->server[0] == '/') |
5a9febac | 405 | strlcpy(cg->servername, "localhost", sizeof(cg->servername)); |
ef416fc2 | 406 | else |
407 | strlcpy(cg->servername, cg->server, sizeof(cg->servername)); | |
408 | } | |
409 | else | |
410 | { | |
0cb67df3 MS |
411 | cg->server[0] = '\0'; |
412 | cg->servername[0] = '\0'; | |
413 | cg->server_version = 20; | |
4b9daaf4 | 414 | cg->ipp_port = 0; |
ef416fc2 | 415 | } |
5a738aea MS |
416 | |
417 | if (cg->http) | |
418 | { | |
419 | httpClose(cg->http); | |
420 | cg->http = NULL; | |
421 | } | |
ef416fc2 | 422 | } |
423 | ||
424 | ||
7cf5915e MS |
425 | /* |
426 | * 'cupsSetServerCertCB()' - Set the server certificate callback. | |
427 | * | |
428 | * Pass @code NULL@ to restore the default callback. | |
429 | * | |
430 | * Note: The current credentials callback is tracked separately for each thread | |
431 | * in a program. Multi-threaded programs that override the callback need to do | |
432 | * so in each thread for the same callback to be used. | |
433 | * | |
8072030b | 434 | * @since CUPS 1.5/macOS 10.7@ |
7cf5915e MS |
435 | */ |
436 | ||
437 | void | |
438 | cupsSetServerCertCB( | |
439 | cups_server_cert_cb_t cb, /* I - Callback function */ | |
440 | void *user_data) /* I - User data pointer */ | |
441 | { | |
442 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
443 | ||
444 | ||
445 | cg->server_cert_cb = cb; | |
446 | cg->server_cert_data = user_data; | |
447 | } | |
448 | ||
449 | ||
ef416fc2 | 450 | /* |
451 | * 'cupsSetUser()' - Set the default user name. | |
452 | * | |
5a738aea | 453 | * Pass @code NULL@ to restore the default user name. |
5a6b583a MS |
454 | * |
455 | * Note: The current user name is tracked separately for each thread in a | |
456 | * program. Multi-threaded programs that override the user name need to do so | |
457 | * in each thread for the same user name to be used. | |
ef416fc2 | 458 | */ |
459 | ||
460 | void | |
461 | cupsSetUser(const char *user) /* I - User name */ | |
462 | { | |
463 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
464 | ||
465 | ||
466 | if (user) | |
467 | strlcpy(cg->user, user, sizeof(cg->user)); | |
468 | else | |
469 | cg->user[0] = '\0'; | |
470 | } | |
471 | ||
472 | ||
db8b865d MS |
473 | /* |
474 | * 'cupsSetUserAgent()' - Set the default HTTP User-Agent string. | |
475 | * | |
476 | * Setting the string to NULL forces the default value containing the CUPS | |
477 | * version, IPP version, and operating system version and architecture. | |
478 | * | |
8072030b | 479 | * @since CUPS 1.7/macOS 10.9@ |
db8b865d MS |
480 | */ |
481 | ||
482 | void | |
483 | cupsSetUserAgent(const char *user_agent)/* I - User-Agent string or @code NULL@ */ | |
484 | { | |
485 | _cups_globals_t *cg = _cupsGlobals(); | |
486 | /* Thread globals */ | |
487 | #ifdef WIN32 | |
488 | SYSTEM_INFO sysinfo; /* System information */ | |
489 | OSVERSIONINFO version; /* OS version info */ | |
490 | #else | |
491 | struct utsname name; /* uname info */ | |
492 | #endif /* WIN32 */ | |
493 | ||
494 | ||
495 | if (user_agent) | |
496 | { | |
497 | strlcpy(cg->user_agent, user_agent, sizeof(cg->user_agent)); | |
498 | return; | |
499 | } | |
500 | ||
501 | #ifdef WIN32 | |
502 | version.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); | |
503 | GetVersionEx(&version); | |
504 | GetNativeSystemInfo(&sysinfo); | |
505 | ||
506 | snprintf(cg->user_agent, sizeof(cg->user_agent), | |
507 | CUPS_MINIMAL " (Windows %d.%d; %s) IPP/2.0", | |
508 | version.dwMajorVersion, version.dwMinorVersion, | |
509 | sysinfo.wProcessorArchitecture | |
510 | == PROCESSOR_ARCHITECTURE_AMD64 ? "amd64" : | |
511 | sysinfo.wProcessorArchitecture | |
512 | == PROCESSOR_ARCHITECTURE_ARM ? "arm" : | |
513 | sysinfo.wProcessorArchitecture | |
514 | == PROCESSOR_ARCHITECTURE_IA64 ? "ia64" : | |
515 | sysinfo.wProcessorArchitecture | |
516 | == PROCESSOR_ARCHITECTURE_INTEL ? "intel" : | |
517 | "unknown"); | |
518 | ||
519 | #else | |
520 | uname(&name); | |
521 | ||
522 | snprintf(cg->user_agent, sizeof(cg->user_agent), | |
523 | CUPS_MINIMAL " (%s %s; %s) IPP/2.0", | |
524 | name.sysname, name.release, name.machine); | |
525 | #endif /* WIN32 */ | |
526 | } | |
527 | ||
528 | ||
ef416fc2 | 529 | /* |
530 | * 'cupsUser()' - Return the current user's name. | |
5a6b583a MS |
531 | * |
532 | * Note: The current user name is tracked separately for each thread in a | |
533 | * program. Multi-threaded programs that override the user name with the | |
534 | * @link cupsSetUser@ function need to do so in each thread for the same user | |
535 | * name to be used. | |
ef416fc2 | 536 | */ |
537 | ||
538 | const char * /* O - User name */ | |
539 | cupsUser(void) | |
540 | { | |
541 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
542 | ||
543 | ||
544 | if (!cg->user[0]) | |
3e7fe0ca | 545 | _cupsSetDefaults(); |
ef416fc2 | 546 | |
547 | return (cg->user); | |
548 | } | |
549 | ||
550 | ||
db8b865d MS |
551 | /* |
552 | * 'cupsUserAgent()' - Return the default HTTP User-Agent string. | |
553 | * | |
8072030b | 554 | * @since CUPS 1.7/macOS 10.9@ |
db8b865d MS |
555 | */ |
556 | ||
557 | const char * /* O - User-Agent string */ | |
558 | cupsUserAgent(void) | |
559 | { | |
560 | _cups_globals_t *cg = _cupsGlobals(); /* Thread globals */ | |
561 | ||
562 | ||
563 | if (!cg->user_agent[0]) | |
564 | cupsSetUserAgent(NULL); | |
565 | ||
566 | return (cg->user_agent); | |
567 | } | |
568 | ||
569 | ||
ef416fc2 | 570 | /* |
571 | * '_cupsGetPassword()' - Get a password from the user. | |
572 | */ | |
573 | ||
dcb445bc | 574 | const char * /* O - Password or @code NULL@ if none */ |
ef416fc2 | 575 | _cupsGetPassword(const char *prompt) /* I - Prompt string */ |
576 | { | |
5a6b583a | 577 | #ifdef WIN32 |
dcb445bc MS |
578 | HANDLE tty; /* Console handle */ |
579 | DWORD mode; /* Console mode */ | |
580 | char passch, /* Current key press */ | |
581 | *passptr, /* Pointer into password string */ | |
582 | *passend; /* End of password string */ | |
12f89d24 | 583 | DWORD passbytes; /* Bytes read */ |
dcb445bc MS |
584 | _cups_globals_t *cg = _cupsGlobals(); |
585 | /* Thread globals */ | |
586 | ||
587 | ||
5a6b583a | 588 | /* |
dcb445bc | 589 | * Disable input echo and set raw input... |
5a6b583a MS |
590 | */ |
591 | ||
dcb445bc MS |
592 | if ((tty = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) |
593 | return (NULL); | |
594 | ||
595 | if (!GetConsoleMode(tty, &mode)) | |
596 | return (NULL); | |
597 | ||
598 | if (!SetConsoleMode(tty, 0)) | |
599 | return (NULL); | |
600 | ||
601 | /* | |
602 | * Display the prompt... | |
603 | */ | |
604 | ||
605 | printf("%s ", prompt); | |
606 | fflush(stdout); | |
607 | ||
608 | /* | |
609 | * Read the password string from /dev/tty until we get interrupted or get a | |
610 | * carriage return or newline... | |
611 | */ | |
612 | ||
613 | passptr = cg->password; | |
614 | passend = cg->password + sizeof(cg->password) - 1; | |
615 | ||
12f89d24 | 616 | while (ReadFile(tty, &passch, 1, &passbytes, NULL)) |
dcb445bc MS |
617 | { |
618 | if (passch == 0x0A || passch == 0x0D) | |
619 | { | |
620 | /* | |
621 | * Enter/return... | |
622 | */ | |
623 | ||
624 | break; | |
625 | } | |
626 | else if (passch == 0x08 || passch == 0x7F) | |
627 | { | |
628 | /* | |
629 | * Backspace/delete (erase character)... | |
630 | */ | |
631 | ||
632 | if (passptr > cg->password) | |
633 | { | |
634 | passptr --; | |
635 | fputs("\010 \010", stdout); | |
636 | } | |
637 | else | |
638 | putchar(0x07); | |
639 | } | |
640 | else if (passch == 0x15) | |
641 | { | |
642 | /* | |
643 | * CTRL+U (erase line) | |
644 | */ | |
645 | ||
646 | if (passptr > cg->password) | |
647 | { | |
648 | while (passptr > cg->password) | |
649 | { | |
650 | passptr --; | |
651 | fputs("\010 \010", stdout); | |
652 | } | |
653 | } | |
654 | else | |
655 | putchar(0x07); | |
656 | } | |
657 | else if (passch == 0x03) | |
658 | { | |
659 | /* | |
660 | * CTRL+C... | |
661 | */ | |
662 | ||
663 | passptr = cg->password; | |
664 | break; | |
665 | } | |
666 | else if ((passch & 255) < 0x20 || passptr >= passend) | |
667 | putchar(0x07); | |
668 | else | |
669 | { | |
670 | *passptr++ = passch; | |
671 | putchar(_CUPS_PASSCHAR); | |
672 | } | |
673 | ||
674 | fflush(stdout); | |
675 | } | |
676 | ||
677 | putchar('\n'); | |
678 | fflush(stdout); | |
679 | ||
680 | /* | |
681 | * Cleanup... | |
682 | */ | |
683 | ||
684 | SetConsoleMode(tty, mode); | |
685 | ||
686 | /* | |
687 | * Return the proper value... | |
688 | */ | |
689 | ||
690 | if (passbytes == 1 && passptr > cg->password) | |
691 | { | |
692 | *passptr = '\0'; | |
693 | return (cg->password); | |
694 | } | |
695 | else | |
696 | { | |
697 | memset(cg->password, 0, sizeof(cg->password)); | |
698 | return (NULL); | |
699 | } | |
5a6b583a MS |
700 | |
701 | #else | |
dcb445bc MS |
702 | int tty; /* /dev/tty - never read from stdin */ |
703 | struct termios original, /* Original input mode */ | |
704 | noecho; /* No echo input mode */ | |
705 | char passch, /* Current key press */ | |
706 | *passptr, /* Pointer into password string */ | |
707 | *passend; /* End of password string */ | |
708 | ssize_t passbytes; /* Bytes read */ | |
709 | _cups_globals_t *cg = _cupsGlobals(); | |
710 | /* Thread globals */ | |
711 | ||
712 | ||
5a6b583a | 713 | /* |
dcb445bc | 714 | * Disable input echo and set raw input... |
5a6b583a MS |
715 | */ |
716 | ||
dcb445bc MS |
717 | if ((tty = open("/dev/tty", O_RDONLY)) < 0) |
718 | return (NULL); | |
719 | ||
720 | if (tcgetattr(tty, &original)) | |
721 | { | |
722 | close(tty); | |
723 | return (NULL); | |
724 | } | |
725 | ||
726 | noecho = original; | |
7e86f2f6 | 727 | noecho.c_lflag &= (tcflag_t)~(ICANON | ECHO | ECHOE | ISIG); |
a8db9df8 MS |
728 | noecho.c_cc[VMIN] = 1; |
729 | noecho.c_cc[VTIME] = 0; | |
7cf5915e | 730 | |
dcb445bc MS |
731 | if (tcsetattr(tty, TCSAFLUSH, &noecho)) |
732 | { | |
733 | close(tty); | |
7cf5915e | 734 | return (NULL); |
dcb445bc MS |
735 | } |
736 | ||
737 | /* | |
738 | * Display the prompt... | |
739 | */ | |
740 | ||
741 | printf("%s ", prompt); | |
742 | fflush(stdout); | |
743 | ||
744 | /* | |
745 | * Read the password string from /dev/tty until we get interrupted or get a | |
746 | * carriage return or newline... | |
747 | */ | |
748 | ||
749 | passptr = cg->password; | |
750 | passend = cg->password + sizeof(cg->password) - 1; | |
751 | ||
752 | while ((passbytes = read(tty, &passch, 1)) == 1) | |
753 | { | |
8dd318e5 MS |
754 | if (passch == noecho.c_cc[VEOL] || |
755 | # ifdef VEOL2 | |
756 | passch == noecho.c_cc[VEOL2] || | |
757 | # endif /* VEOL2 */ | |
dcb445bc MS |
758 | passch == 0x0A || passch == 0x0D) |
759 | { | |
760 | /* | |
761 | * Enter/return... | |
762 | */ | |
763 | ||
764 | break; | |
765 | } | |
766 | else if (passch == noecho.c_cc[VERASE] || | |
767 | passch == 0x08 || passch == 0x7F) | |
768 | { | |
769 | /* | |
770 | * Backspace/delete (erase character)... | |
771 | */ | |
772 | ||
773 | if (passptr > cg->password) | |
774 | { | |
775 | passptr --; | |
776 | fputs("\010 \010", stdout); | |
777 | } | |
778 | else | |
779 | putchar(0x07); | |
780 | } | |
781 | else if (passch == noecho.c_cc[VKILL]) | |
782 | { | |
783 | /* | |
784 | * CTRL+U (erase line) | |
785 | */ | |
786 | ||
787 | if (passptr > cg->password) | |
788 | { | |
789 | while (passptr > cg->password) | |
790 | { | |
791 | passptr --; | |
792 | fputs("\010 \010", stdout); | |
793 | } | |
794 | } | |
795 | else | |
796 | putchar(0x07); | |
797 | } | |
798 | else if (passch == noecho.c_cc[VINTR] || passch == noecho.c_cc[VQUIT] || | |
799 | passch == noecho.c_cc[VEOF]) | |
800 | { | |
801 | /* | |
802 | * CTRL+C, CTRL+D, or CTRL+Z... | |
803 | */ | |
804 | ||
805 | passptr = cg->password; | |
806 | break; | |
807 | } | |
808 | else if ((passch & 255) < 0x20 || passptr >= passend) | |
809 | putchar(0x07); | |
810 | else | |
811 | { | |
812 | *passptr++ = passch; | |
813 | putchar(_CUPS_PASSCHAR); | |
814 | } | |
815 | ||
816 | fflush(stdout); | |
817 | } | |
818 | ||
819 | putchar('\n'); | |
820 | fflush(stdout); | |
821 | ||
822 | /* | |
823 | * Cleanup... | |
824 | */ | |
825 | ||
826 | tcsetattr(tty, TCSAFLUSH, &original); | |
827 | close(tty); | |
828 | ||
829 | /* | |
830 | * Return the proper value... | |
831 | */ | |
832 | ||
833 | if (passbytes == 1 && passptr > cg->password) | |
834 | { | |
835 | *passptr = '\0'; | |
836 | return (cg->password); | |
837 | } | |
7cf5915e | 838 | else |
dcb445bc MS |
839 | { |
840 | memset(cg->password, 0, sizeof(cg->password)); | |
841 | return (NULL); | |
842 | } | |
ef416fc2 | 843 | #endif /* WIN32 */ |
5a6b583a | 844 | } |
ef416fc2 | 845 | |
846 | ||
eac3a0a0 MS |
847 | #ifdef HAVE_GSSAPI |
848 | /* | |
849 | * '_cupsGSSServiceName()' - Get the GSS (Kerberos) service name. | |
850 | */ | |
851 | ||
852 | const char * | |
853 | _cupsGSSServiceName(void) | |
854 | { | |
855 | _cups_globals_t *cg = _cupsGlobals(); /* Thread globals */ | |
856 | ||
857 | ||
858 | if (!cg->gss_service_name[0]) | |
859 | _cupsSetDefaults(); | |
860 | ||
861 | return (cg->gss_service_name); | |
862 | } | |
863 | #endif /* HAVE_GSSAPI */ | |
864 | ||
865 | ||
ef416fc2 | 866 | /* |
e07d4801 | 867 | * '_cupsSetDefaults()' - Set the default server, port, and encryption. |
b423cd4c | 868 | */ |
869 | ||
e07d4801 MS |
870 | void |
871 | _cupsSetDefaults(void) | |
b423cd4c | 872 | { |
873 | cups_file_t *fp; /* File */ | |
3abb875b | 874 | const char *home; /* Home directory of user */ |
b423cd4c | 875 | char filename[1024]; /* Filename */ |
3abb875b | 876 | _cups_client_conf_t cc; /* client.conf values */ |
b423cd4c | 877 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
878 | ||
879 | ||
e07d4801 MS |
880 | DEBUG_puts("_cupsSetDefaults()"); |
881 | ||
882 | /* | |
3abb875b MS |
883 | * Load initial client.conf values... |
884 | */ | |
885 | ||
886 | cups_init_client_conf(&cc); | |
887 | ||
888 | /* | |
889 | * Read the /etc/cups/client.conf and ~/.cups/client.conf files, if | |
890 | * present. | |
891 | */ | |
892 | ||
893 | snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot); | |
894 | if ((fp = cupsFileOpen(filename, "r")) != NULL) | |
895 | { | |
896 | cups_read_client_conf(fp, &cc); | |
897 | cupsFileClose(fp); | |
898 | } | |
899 | ||
900 | # ifdef HAVE_GETEUID | |
901 | if ((geteuid() == getuid() || !getuid()) && getegid() == getgid() && (home = getenv("HOME")) != NULL) | |
902 | # elif !defined(WIN32) | |
903 | if (getuid() && (home = getenv("HOME")) != NULL) | |
904 | # else | |
905 | if ((home = getenv("HOME")) != NULL) | |
906 | # endif /* HAVE_GETEUID */ | |
907 | { | |
908 | /* | |
909 | * Look for ~/.cups/client.conf... | |
910 | */ | |
911 | ||
912 | snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home); | |
913 | if ((fp = cupsFileOpen(filename, "r")) != NULL) | |
914 | { | |
915 | cups_read_client_conf(fp, &cc); | |
916 | cupsFileClose(fp); | |
917 | } | |
918 | } | |
919 | ||
920 | /* | |
921 | * Finalize things so every client.conf value is set... | |
e07d4801 MS |
922 | */ |
923 | ||
3abb875b MS |
924 | cups_finalize_client_conf(&cc); |
925 | ||
926 | if (cg->encryption == (http_encryption_t)-1) | |
927 | cg->encryption = cc.encryption; | |
928 | ||
929 | if (!cg->server[0] || !cg->ipp_port) | |
930 | cupsSetServer(cc.server_name); | |
931 | ||
932 | if (!cg->ipp_port) | |
4b9daaf4 | 933 | cups_set_default_ipp_port(cg); |
3abb875b MS |
934 | |
935 | if (!cg->user[0]) | |
936 | strlcpy(cg->user, cc.user, sizeof(cg->user)); | |
937 | ||
938 | #ifdef HAVE_GSSAPI | |
939 | if (!cg->gss_service_name[0]) | |
940 | strlcpy(cg->gss_service_name, cc.gss_service_name, sizeof(cg->gss_service_name)); | |
941 | #endif /* HAVE_GSSAPI */ | |
942 | ||
08d56b1f MS |
943 | if (cg->trust_first < 0) |
944 | cg->trust_first = cc.trust_first; | |
945 | ||
3abb875b MS |
946 | if (cg->any_root < 0) |
947 | cg->any_root = cc.any_root; | |
948 | ||
949 | if (cg->expired_certs < 0) | |
950 | cg->expired_certs = cc.expired_certs; | |
951 | ||
952 | if (cg->validate_certs < 0) | |
953 | cg->validate_certs = cc.validate_certs; | |
954 | ||
955 | #ifdef HAVE_SSL | |
8f1fbdec | 956 | _httpTLSSetOptions(cc.ssl_options | _HTTP_TLS_SET_DEFAULT, cc.ssl_min_version, cc.ssl_max_version); |
3abb875b MS |
957 | #endif /* HAVE_SSL */ |
958 | } | |
959 | ||
960 | ||
08d56b1f MS |
961 | #ifdef __APPLE__ |
962 | /* | |
963 | * 'cups_apple_get_boolean()' - Get a boolean setting from the CUPS preferences. | |
964 | */ | |
965 | ||
966 | static int /* O - 1 if set, 0 otherwise */ | |
967 | cups_apple_get_boolean( | |
968 | CFStringRef key, /* I - Key (name) */ | |
969 | int *value) /* O - Boolean value */ | |
970 | { | |
971 | Boolean bval, /* Preference value */ | |
972 | bval_set; /* Value is set? */ | |
973 | ||
974 | ||
975 | bval = CFPreferencesGetAppBooleanValue(key, kCUPSPrintingPrefs, &bval_set); | |
976 | ||
977 | if (bval_set) | |
978 | *value = (int)bval; | |
979 | ||
980 | return ((int)bval_set); | |
981 | } | |
982 | ||
983 | ||
984 | /* | |
985 | * 'cups_apple_get_string()' - Get a string setting from the CUPS preferences. | |
986 | */ | |
987 | ||
988 | static int /* O - 1 if set, 0 otherwise */ | |
989 | cups_apple_get_string( | |
990 | CFStringRef key, /* I - Key (name) */ | |
991 | char *value, /* O - String value */ | |
992 | size_t valsize) /* I - Size of value buffer */ | |
993 | { | |
994 | CFStringRef sval; /* String value */ | |
995 | ||
996 | ||
997 | if ((sval = CFPreferencesCopyAppValue(key, kCUPSPrintingPrefs)) != NULL) | |
998 | { | |
999 | Boolean result = CFStringGetCString(sval, value, (CFIndex)valsize, kCFStringEncodingUTF8); | |
1000 | ||
1001 | CFRelease(sval); | |
1002 | ||
1003 | if (result) | |
1004 | return (1); | |
1005 | } | |
1006 | ||
1007 | return (0); | |
1008 | } | |
1009 | #endif /* __APPLE__ */ | |
1010 | ||
1011 | ||
3abb875b MS |
1012 | /* |
1013 | * 'cups_boolean_value()' - Convert a string to a boolean value. | |
1014 | */ | |
1015 | ||
1016 | static int /* O - Boolean value */ | |
1017 | cups_boolean_value(const char *value) /* I - String value */ | |
1018 | { | |
1019 | return (!_cups_strcasecmp(value, "yes") || !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "true")); | |
1020 | } | |
1021 | ||
1022 | ||
1023 | /* | |
1024 | * 'cups_finalize_client_conf()' - Finalize client.conf values. | |
1025 | */ | |
1026 | ||
1027 | static void | |
1028 | cups_finalize_client_conf( | |
1029 | _cups_client_conf_t *cc) /* I - client.conf values */ | |
1030 | { | |
1031 | const char *value; /* Environment variable */ | |
1032 | ||
1033 | ||
08d56b1f MS |
1034 | if ((value = getenv("CUPS_TRUSTFIRST")) != NULL) |
1035 | cc->trust_first = cups_boolean_value(value); | |
1036 | ||
3abb875b MS |
1037 | if ((value = getenv("CUPS_ANYROOT")) != NULL) |
1038 | cc->any_root = cups_boolean_value(value); | |
1039 | ||
1040 | if ((value = getenv("CUPS_ENCRYPTION")) != NULL) | |
1041 | cups_set_encryption(cc, value); | |
1042 | ||
1043 | if ((value = getenv("CUPS_EXPIREDCERTS")) != NULL) | |
1044 | cc->expired_certs = cups_boolean_value(value); | |
1045 | ||
07ed0e9a | 1046 | #ifdef HAVE_GSSAPI |
3abb875b MS |
1047 | if ((value = getenv("CUPS_GSSSERVICENAME")) != NULL) |
1048 | cups_set_gss_service_name(cc, value); | |
07ed0e9a | 1049 | #endif /* HAVE_GSSAPI */ |
3abb875b MS |
1050 | |
1051 | if ((value = getenv("CUPS_SERVER")) != NULL) | |
1052 | cups_set_server_name(cc, value); | |
1053 | ||
1054 | if ((value = getenv("CUPS_USER")) != NULL) | |
1055 | cups_set_user(cc, value); | |
1056 | ||
1057 | if ((value = getenv("CUPS_VALIDATECERTS")) != NULL) | |
1058 | cc->validate_certs = cups_boolean_value(value); | |
e07d4801 MS |
1059 | |
1060 | /* | |
3abb875b | 1061 | * Then apply defaults for those values that haven't been set... |
e07d4801 MS |
1062 | */ |
1063 | ||
08d56b1f MS |
1064 | if (cc->trust_first < 0) |
1065 | cc->trust_first = 1; | |
1066 | ||
3abb875b MS |
1067 | if (cc->any_root < 0) |
1068 | cc->any_root = 1; | |
1069 | ||
1070 | if (cc->encryption == (http_encryption_t)-1) | |
1071 | cc->encryption = HTTP_ENCRYPTION_IF_REQUESTED; | |
1072 | ||
1073 | if (cc->expired_certs < 0) | |
08d56b1f | 1074 | cc->expired_certs = 0; |
3abb875b MS |
1075 | |
1076 | #ifdef HAVE_GSSAPI | |
1077 | if (!cc->gss_service_name[0]) | |
1078 | cups_set_gss_service_name(cc, CUPS_DEFAULT_GSSSERVICENAME); | |
1079 | #endif /* HAVE_GSSAPI */ | |
1080 | ||
1081 | if (!cc->server_name[0]) | |
e07d4801 | 1082 | { |
3abb875b | 1083 | #ifdef CUPS_DEFAULT_DOMAINSOCKET |
63aefcd5 | 1084 | /* |
3abb875b MS |
1085 | * If we are compiled with domain socket support, only use the |
1086 | * domain socket if it exists and has the right permissions... | |
63aefcd5 MS |
1087 | */ |
1088 | ||
89b7fd55 | 1089 | if (!access(CUPS_DEFAULT_DOMAINSOCKET, R_OK)) |
3abb875b MS |
1090 | cups_set_server_name(cc, CUPS_DEFAULT_DOMAINSOCKET); |
1091 | else | |
1092 | #endif /* CUPS_DEFAULT_DOMAINSOCKET */ | |
1093 | cups_set_server_name(cc, "localhost"); | |
1094 | } | |
63aefcd5 | 1095 | |
3abb875b MS |
1096 | if (!cc->user[0]) |
1097 | { | |
1098 | #ifdef WIN32 | |
63aefcd5 | 1099 | /* |
3abb875b | 1100 | * Get the current user name from the OS... |
63aefcd5 MS |
1101 | */ |
1102 | ||
3abb875b | 1103 | DWORD size; /* Size of string */ |
63aefcd5 | 1104 | |
3abb875b MS |
1105 | size = sizeof(cc->user); |
1106 | if (!GetUserName(cc->user, &size)) | |
1107 | #else | |
63aefcd5 | 1108 | /* |
3abb875b | 1109 | * Try the USER environment variable as the default username... |
63aefcd5 MS |
1110 | */ |
1111 | ||
3abb875b MS |
1112 | const char *envuser = getenv("USER"); |
1113 | /* Default username */ | |
1114 | struct passwd *pw = NULL; /* Account information */ | |
1115 | ||
1116 | if (envuser) | |
d09495fa | 1117 | { |
10d09e33 | 1118 | /* |
3abb875b MS |
1119 | * Validate USER matches the current UID, otherwise don't allow it to |
1120 | * override things... This makes sure that printing after doing su | |
1121 | * or sudo records the correct username. | |
10d09e33 | 1122 | */ |
e07d4801 | 1123 | |
3abb875b MS |
1124 | if ((pw = getpwnam(envuser)) != NULL && pw->pw_uid != getuid()) |
1125 | pw = NULL; | |
1126 | } | |
1127 | ||
1128 | if (!pw) | |
1129 | pw = getpwuid(getuid()); | |
e07d4801 | 1130 | |
3abb875b MS |
1131 | if (pw) |
1132 | strlcpy(cc->user, pw->pw_name, sizeof(cc->user)); | |
1133 | else | |
1134 | #endif /* WIN32 */ | |
1135 | { | |
e07d4801 | 1136 | /* |
3abb875b | 1137 | * Use the default "unknown" user name... |
e07d4801 MS |
1138 | */ |
1139 | ||
3abb875b | 1140 | strlcpy(cc->user, "unknown", sizeof(cc->user)); |
63aefcd5 | 1141 | } |
e07d4801 | 1142 | } |
3abb875b MS |
1143 | |
1144 | if (cc->validate_certs < 0) | |
1145 | cc->validate_certs = 0; | |
1146 | } | |
1147 | ||
1148 | ||
1149 | /* | |
1150 | * 'cups_init_client_conf()' - Initialize client.conf values. | |
1151 | */ | |
1152 | ||
1153 | static void | |
1154 | cups_init_client_conf( | |
1155 | _cups_client_conf_t *cc) /* I - client.conf values */ | |
1156 | { | |
1157 | /* | |
1158 | * Clear all values to "not set"... | |
1159 | */ | |
1160 | ||
1161 | memset(cc, 0, sizeof(_cups_client_conf_t)); | |
1162 | ||
1163 | cc->encryption = (http_encryption_t)-1; | |
08d56b1f | 1164 | cc->trust_first = -1; |
3abb875b MS |
1165 | cc->any_root = -1; |
1166 | cc->expired_certs = -1; | |
1167 | cc->validate_certs = -1; | |
08d56b1f MS |
1168 | |
1169 | /* | |
1170 | * Load settings from the org.cups.PrintingPrefs plist (which trump | |
1171 | * everything...) | |
1172 | */ | |
1173 | ||
b908d72c | 1174 | #if defined(__APPLE__) && defined(HAVE_SSL) |
08d56b1f MS |
1175 | char sval[1024]; /* String value */ |
1176 | int bval; /* Boolean value */ | |
1177 | ||
1178 | if (cups_apple_get_boolean(kAllowAnyRootKey, &bval)) | |
1179 | cc->any_root = bval; | |
1180 | ||
1181 | if (cups_apple_get_boolean(kAllowExpiredCertsKey, &bval)) | |
1182 | cc->expired_certs = bval; | |
1183 | ||
1184 | if (cups_apple_get_string(kEncryptionKey, sval, sizeof(sval))) | |
1185 | cups_set_encryption(cc, sval); | |
1186 | ||
1187 | if (cups_apple_get_string(kSSLOptionsKey, sval, sizeof(sval))) | |
1188 | cups_set_ssl_options(cc, sval); | |
1189 | ||
1190 | if (cups_apple_get_boolean(kTrustOnFirstUseKey, &bval)) | |
1191 | cc->trust_first = bval; | |
1192 | ||
1193 | if (cups_apple_get_boolean(kValidateCertsKey, &bval)) | |
1194 | cc->validate_certs = bval; | |
b908d72c | 1195 | #endif /* __APPLE__ && HAVE_SSL */ |
e07d4801 MS |
1196 | } |
1197 | ||
1198 | ||
1199 | /* | |
1200 | * 'cups_read_client_conf()' - Read a client.conf file. | |
1201 | */ | |
1202 | ||
1203 | static void | |
1204 | cups_read_client_conf( | |
3abb875b MS |
1205 | cups_file_t *fp, /* I - File to read */ |
1206 | _cups_client_conf_t *cc) /* I - client.conf values */ | |
e07d4801 MS |
1207 | { |
1208 | int linenum; /* Current line number */ | |
1209 | char line[1024], /* Line from file */ | |
3abb875b | 1210 | *value; /* Pointer into line */ |
e07d4801 MS |
1211 | |
1212 | ||
1213 | /* | |
1214 | * Read from the file... | |
1215 | */ | |
1216 | ||
1217 | linenum = 0; | |
1218 | while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum)) | |
1219 | { | |
3abb875b MS |
1220 | if (!_cups_strcasecmp(line, "Encryption") && value) |
1221 | cups_set_encryption(cc, value); | |
85dda01c MS |
1222 | #ifndef __APPLE__ |
1223 | /* | |
8072030b | 1224 | * The ServerName directive is not supported on macOS due to app |
3abb875b | 1225 | * sandboxing restrictions, i.e. not all apps request network access. |
85dda01c | 1226 | */ |
3abb875b MS |
1227 | else if (!_cups_strcasecmp(line, "ServerName") && value) |
1228 | cups_set_server_name(cc, value); | |
85dda01c | 1229 | #endif /* !__APPLE__ */ |
3abb875b MS |
1230 | else if (!_cups_strcasecmp(line, "User") && value) |
1231 | cups_set_user(cc, value); | |
08d56b1f MS |
1232 | else if (!_cups_strcasecmp(line, "TrustOnFirstUse") && value) |
1233 | cc->trust_first = cups_boolean_value(value); | |
3abb875b MS |
1234 | else if (!_cups_strcasecmp(line, "AllowAnyRoot") && value) |
1235 | cc->any_root = cups_boolean_value(value); | |
1236 | else if (!_cups_strcasecmp(line, "AllowExpiredCerts") && | |
7cf5915e | 1237 | value) |
3abb875b MS |
1238 | cc->expired_certs = cups_boolean_value(value); |
1239 | else if (!_cups_strcasecmp(line, "ValidateCerts") && value) | |
1240 | cc->validate_certs = cups_boolean_value(value); | |
07ed0e9a | 1241 | #ifdef HAVE_GSSAPI |
3abb875b MS |
1242 | else if (!_cups_strcasecmp(line, "GSSServiceName") && value) |
1243 | cups_set_gss_service_name(cc, value); | |
07ed0e9a | 1244 | #endif /* HAVE_GSSAPI */ |
22ebb7d0 | 1245 | #ifdef HAVE_SSL |
3abb875b MS |
1246 | else if (!_cups_strcasecmp(line, "SSLOptions") && value) |
1247 | cups_set_ssl_options(cc, value); | |
1248 | #endif /* HAVE_SSL */ | |
1249 | } | |
1250 | } | |
63aefcd5 | 1251 | |
63aefcd5 | 1252 | |
4b9daaf4 MS |
1253 | /* |
1254 | * 'cups_set_default_ipp_port()' - Set the default IPP port value. | |
1255 | */ | |
1256 | ||
1257 | static void | |
1258 | cups_set_default_ipp_port( | |
1259 | _cups_globals_t *cg) /* I - Global data */ | |
1260 | { | |
1261 | const char *ipp_port; /* IPP_PORT environment variable */ | |
1262 | ||
1263 | ||
1264 | if ((ipp_port = getenv("IPP_PORT")) != NULL) | |
1265 | { | |
1266 | if ((cg->ipp_port = atoi(ipp_port)) <= 0) | |
1267 | cg->ipp_port = CUPS_DEFAULT_IPP_PORT; | |
1268 | } | |
1269 | else | |
1270 | cg->ipp_port = CUPS_DEFAULT_IPP_PORT; | |
1271 | } | |
1272 | ||
3abb875b MS |
1273 | /* |
1274 | * 'cups_set_encryption()' - Set the Encryption value. | |
1275 | */ | |
63aefcd5 | 1276 | |
3abb875b MS |
1277 | static void |
1278 | cups_set_encryption( | |
1279 | _cups_client_conf_t *cc, /* I - client.conf values */ | |
1280 | const char *value) /* I - Value */ | |
1281 | { | |
1282 | if (!_cups_strcasecmp(value, "never")) | |
1283 | cc->encryption = HTTP_ENCRYPTION_NEVER; | |
1284 | else if (!_cups_strcasecmp(value, "always")) | |
1285 | cc->encryption = HTTP_ENCRYPTION_ALWAYS; | |
1286 | else if (!_cups_strcasecmp(value, "required")) | |
1287 | cc->encryption = HTTP_ENCRYPTION_REQUIRED; | |
1288 | else | |
1289 | cc->encryption = HTTP_ENCRYPTION_IF_REQUESTED; | |
1290 | } | |
e07d4801 | 1291 | |
e07d4801 | 1292 | |
3abb875b MS |
1293 | /* |
1294 | * 'cups_set_gss_service_name()' - Set the GSSServiceName value. | |
1295 | */ | |
b423cd4c | 1296 | |
3abb875b MS |
1297 | #ifdef HAVE_GSSAPI |
1298 | static void | |
1299 | cups_set_gss_service_name( | |
1300 | _cups_client_conf_t *cc, /* I - client.conf values */ | |
1301 | const char *value) /* I - Value */ | |
1302 | { | |
1303 | strlcpy(cc->gss_service_name, value, sizeof(cc->gss_service_name)); | |
1304 | } | |
1305 | #endif /* HAVE_GSSAPI */ | |
7cf5915e | 1306 | |
10d09e33 | 1307 | |
3abb875b MS |
1308 | /* |
1309 | * 'cups_set_server_name()' - Set the ServerName value. | |
1310 | */ | |
10d09e33 | 1311 | |
3abb875b MS |
1312 | static void |
1313 | cups_set_server_name( | |
1314 | _cups_client_conf_t *cc, /* I - client.conf values */ | |
1315 | const char *value) /* I - Value */ | |
1316 | { | |
1317 | strlcpy(cc->server_name, value, sizeof(cc->server_name)); | |
1318 | } | |
10d09e33 | 1319 | |
10d09e33 | 1320 | |
3abb875b MS |
1321 | /* |
1322 | * 'cups_set_ssl_options()' - Set the SSLOptions value. | |
1323 | */ | |
10d09e33 | 1324 | |
3abb875b MS |
1325 | #ifdef HAVE_SSL |
1326 | static void | |
1327 | cups_set_ssl_options( | |
1328 | _cups_client_conf_t *cc, /* I - client.conf values */ | |
1329 | const char *value) /* I - Value */ | |
1330 | { | |
1331 | /* | |
ee6226a5 | 1332 | * SSLOptions [AllowRC4] [AllowSSL3] [AllowDH] [DenyTLS1.0] [None] |
3abb875b | 1333 | */ |
10d09e33 | 1334 | |
8f1fbdec MS |
1335 | int options = _HTTP_TLS_NONE, /* SSL/TLS options */ |
1336 | min_version = _HTTP_TLS_1_0, /* Minimum SSL/TLS version */ | |
1337 | max_version = _HTTP_TLS_MAX; /* Maximum SSL/TLS version */ | |
3abb875b MS |
1338 | char temp[256], /* Copy of value */ |
1339 | *start, /* Start of option */ | |
1340 | *end; /* End of option */ | |
3e7fe0ca | 1341 | |
3e7fe0ca | 1342 | |
3abb875b | 1343 | strlcpy(temp, value, sizeof(temp)); |
3e7fe0ca | 1344 | |
3abb875b MS |
1345 | for (start = temp; *start; start = end) |
1346 | { | |
a8db9df8 | 1347 | /* |
3abb875b MS |
1348 | * Find end of keyword... |
1349 | */ | |
3e7fe0ca | 1350 | |
3abb875b MS |
1351 | end = start; |
1352 | while (*end && !_cups_isspace(*end)) | |
1353 | end ++; | |
93e3d3f5 | 1354 | |
3abb875b MS |
1355 | if (*end) |
1356 | *end++ = '\0'; | |
93e3d3f5 | 1357 | |
3abb875b MS |
1358 | /* |
1359 | * Compare... | |
1360 | */ | |
3e7fe0ca | 1361 | |
3abb875b MS |
1362 | if (!_cups_strcasecmp(start, "AllowRC4")) |
1363 | options |= _HTTP_TLS_ALLOW_RC4; | |
1364 | else if (!_cups_strcasecmp(start, "AllowSSL3")) | |
8f1fbdec | 1365 | min_version = _HTTP_TLS_SSL3; |
ee6226a5 MS |
1366 | else if (!_cups_strcasecmp(start, "AllowDH")) |
1367 | options |= _HTTP_TLS_ALLOW_DH; | |
f2e87147 MS |
1368 | else if (!_cups_strcasecmp(start, "DenyCBC")) |
1369 | options |= _HTTP_TLS_DENY_CBC; | |
ee6226a5 | 1370 | else if (!_cups_strcasecmp(start, "DenyTLS1.0")) |
8f1fbdec MS |
1371 | min_version = _HTTP_TLS_1_1; |
1372 | else if (!_cups_strcasecmp(start, "MaxTLS1.0")) | |
1373 | max_version = _HTTP_TLS_1_0; | |
1374 | else if (!_cups_strcasecmp(start, "MaxTLS1.1")) | |
1375 | max_version = _HTTP_TLS_1_1; | |
1376 | else if (!_cups_strcasecmp(start, "MaxTLS1.2")) | |
1377 | max_version = _HTTP_TLS_1_2; | |
1378 | else if (!_cups_strcasecmp(start, "MaxTLS1.3")) | |
1379 | max_version = _HTTP_TLS_1_3; | |
1380 | else if (!_cups_strcasecmp(start, "MinTLS1.0")) | |
1381 | min_version = _HTTP_TLS_1_0; | |
1382 | else if (!_cups_strcasecmp(start, "MinTLS1.1")) | |
1383 | min_version = _HTTP_TLS_1_1; | |
1384 | else if (!_cups_strcasecmp(start, "MinTLS1.2")) | |
1385 | min_version = _HTTP_TLS_1_2; | |
1386 | else if (!_cups_strcasecmp(start, "MinTLS1.3")) | |
1387 | min_version = _HTTP_TLS_1_3; | |
3abb875b | 1388 | else if (!_cups_strcasecmp(start, "None")) |
ee6226a5 | 1389 | options = _HTTP_TLS_NONE; |
3e7fe0ca MS |
1390 | } |
1391 | ||
8f1fbdec MS |
1392 | cc->ssl_options = options; |
1393 | cc->ssl_max_version = max_version; | |
1394 | cc->ssl_min_version = min_version; | |
b37d45d9 | 1395 | |
8f1fbdec | 1396 | DEBUG_printf(("4cups_set_ssl_options(cc=%p, value=\"%s\") options=%x, min_version=%d, max_version=%d", (void *)cc, value, options, min_version, max_version)); |
3abb875b MS |
1397 | } |
1398 | #endif /* HAVE_SSL */ | |
07ed0e9a | 1399 | |
7cf5915e | 1400 | |
3abb875b MS |
1401 | /* |
1402 | * 'cups_set_user()' - Set the User value. | |
1403 | */ | |
f51f3773 | 1404 | |
3abb875b MS |
1405 | static void |
1406 | cups_set_user( | |
1407 | _cups_client_conf_t *cc, /* I - client.conf values */ | |
1408 | const char *value) /* I - Value */ | |
1409 | { | |
1410 | strlcpy(cc->user, value, sizeof(cc->user)); | |
b423cd4c | 1411 | } |