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Commit | Line | Data |
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6b67a15e | 1 | /* |
c9d3f842 | 2 | * "$Id$" |
6b67a15e | 3 | * |
4 | * User, system, and password routines for the Common UNIX Printing | |
5 | * System (CUPS). | |
6 | * | |
24c1b5ce | 7 | * Copyright 1997-2006 by Easy Software Products. |
6b67a15e | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Easy Software Products and are protected by Federal | |
11 | * copyright law. Distribution and use rights are outlined in the file | |
12 | * "LICENSE.txt" which should have been included with this file. If this | |
13 | * file is missing or damaged please contact Easy Software Products | |
14 | * at: | |
15 | * | |
16 | * Attn: CUPS Licensing Information | |
17 | * Easy Software Products | |
18 | * 44141 Airport View Drive, Suite 204 | |
c9d3f842 | 19 | * Hollywood, Maryland 20636 USA |
6b67a15e | 20 | * |
c4dcf3cc | 21 | * Voice: (301) 373-9600 |
6b67a15e | 22 | * EMail: cups-info@cups.org |
23 | * WWW: http://www.cups.org | |
24 | * | |
dab1a4d8 | 25 | * This file is subject to the Apple OS-Developed Software exception. |
26 | * | |
6b67a15e | 27 | * Contents: |
28 | * | |
f82d9dea | 29 | * cupsEncryption() - Get the default encryption settings. |
30 | * cupsGetPassword() - Get a password from the user. | |
31 | * cupsServer() - Return the hostname of the default server. | |
2a0ef17a | 32 | * cupsSetEncryption() - Set the encryption preference. |
c68b6ae8 | 33 | * cupsSetPasswordCB() - Set the password callback for CUPS. |
f82d9dea | 34 | * cupsSetServer() - Set the default server name. |
35 | * cupsSetUser() - Set the default user name. | |
c68b6ae8 | 36 | * cupsUser() - Return the current users name. |
f82d9dea | 37 | * _cupsGetPassword() - Get a password from the user. |
6b67a15e | 38 | */ |
39 | ||
40 | /* | |
41 | * Include necessary headers... | |
42 | */ | |
43 | ||
c6075312 | 44 | #include "http-private.h" |
03f61bf3 | 45 | #include "globals.h" |
6b67a15e | 46 | #include <stdlib.h> |
9c9584a8 | 47 | #include <sys/stat.h> |
e335a094 | 48 | #ifdef WIN32 |
49 | # include <windows.h> | |
50 | #endif /* WIN32 */ | |
51 | ||
6b67a15e | 52 | |
2a0ef17a | 53 | /* |
f82d9dea | 54 | * 'cupsEncryption()' - Get the default encryption settings. |
55 | * | |
56 | * The default encryption setting comes from the CUPS_ENCRYPTION | |
57 | * environment variable, then the ~/.cupsrc file, and finally the | |
58 | * /etc/cups/client.conf file. If not set, the default is | |
59 | * HTTP_ENCRYPT_IF_REQUESTED. | |
2a0ef17a | 60 | */ |
61 | ||
0341722a | 62 | http_encryption_t /* O - Encryption settings */ |
2a0ef17a | 63 | cupsEncryption(void) |
64 | { | |
03f61bf3 | 65 | cups_file_t *fp; /* client.conf file */ |
2a0ef17a | 66 | char *encryption; /* CUPS_ENCRYPTION variable */ |
67 | const char *home; /* Home directory of user */ | |
30c80414 | 68 | char line[1024], /* Line from file */ |
69 | *value; /* Value on line */ | |
70 | int linenum; /* Line number */ | |
2625096f | 71 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
2a0ef17a | 72 | |
73 | ||
74 | /* | |
75 | * First see if we have already set the encryption stuff... | |
76 | */ | |
77 | ||
03f61bf3 | 78 | if (cg->encryption == (http_encryption_t)-1) |
2a0ef17a | 79 | { |
80 | /* | |
81 | * Then see if the CUPS_ENCRYPTION environment variable is set... | |
82 | */ | |
83 | ||
84 | if ((encryption = getenv("CUPS_ENCRYPTION")) == NULL) | |
85 | { | |
86 | /* | |
87 | * Next check to see if we have a $HOME/.cupsrc or client.conf file... | |
88 | */ | |
89 | ||
90 | if ((home = getenv("HOME")) != NULL) | |
91 | { | |
92 | snprintf(line, sizeof(line), "%s/.cupsrc", home); | |
03f61bf3 | 93 | fp = cupsFileOpen(line, "r"); |
2a0ef17a | 94 | } |
95 | else | |
96 | fp = NULL; | |
97 | ||
98 | if (fp == NULL) | |
99 | { | |
a501ad17 | 100 | snprintf(line, sizeof(line), "%s/client.conf", cg->cups_serverroot); |
101 | fp = cupsFileOpen(line, "r"); | |
2a0ef17a | 102 | } |
103 | ||
104 | encryption = "IfRequested"; | |
105 | ||
106 | if (fp != NULL) | |
107 | { | |
108 | /* | |
6cf4fe45 | 109 | * Read the config file and look for an Encryption line... |
2a0ef17a | 110 | */ |
111 | ||
30c80414 | 112 | linenum = 0; |
113 | ||
114 | while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL) | |
115 | if (!strcasecmp(line, "Encryption") && value) | |
2a0ef17a | 116 | { |
117 | /* | |
30c80414 | 118 | * Got it! |
2a0ef17a | 119 | */ |
120 | ||
30c80414 | 121 | encryption = value; |
2a0ef17a | 122 | break; |
123 | } | |
124 | ||
03f61bf3 | 125 | cupsFileClose(fp); |
2a0ef17a | 126 | } |
127 | } | |
128 | ||
129 | /* | |
130 | * Set the encryption preference... | |
131 | */ | |
132 | ||
30c80414 | 133 | if (!strcasecmp(encryption, "never")) |
03f61bf3 | 134 | cg->encryption = HTTP_ENCRYPT_NEVER; |
30c80414 | 135 | else if (!strcasecmp(encryption, "always")) |
03f61bf3 | 136 | cg->encryption = HTTP_ENCRYPT_ALWAYS; |
30c80414 | 137 | else if (!strcasecmp(encryption, "required")) |
03f61bf3 | 138 | cg->encryption = HTTP_ENCRYPT_REQUIRED; |
2a0ef17a | 139 | else |
03f61bf3 | 140 | cg->encryption = HTTP_ENCRYPT_IF_REQUESTED; |
2a0ef17a | 141 | } |
142 | ||
03f61bf3 | 143 | return (cg->encryption); |
2a0ef17a | 144 | } |
145 | ||
146 | ||
6b67a15e | 147 | /* |
f82d9dea | 148 | * 'cupsGetPassword()' - Get a password from the user. |
149 | * | |
150 | * Returns NULL if the user does not provide a password. | |
6b67a15e | 151 | */ |
152 | ||
063e1ac7 | 153 | const char * /* O - Password */ |
6b67a15e | 154 | cupsGetPassword(const char *prompt) /* I - Prompt string */ |
155 | { | |
03f61bf3 | 156 | return ((*_cupsGlobals()->password_cb)(prompt)); |
6b67a15e | 157 | } |
6b67a15e | 158 | |
6b67a15e | 159 | |
2a0ef17a | 160 | /* |
161 | * 'cupsSetEncryption()' - Set the encryption preference. | |
162 | */ | |
163 | ||
164 | void | |
165 | cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */ | |
166 | { | |
03f61bf3 | 167 | _cupsGlobals()->encryption = e; |
2a0ef17a | 168 | } |
169 | ||
170 | ||
6b67a15e | 171 | /* |
f82d9dea | 172 | * 'cupsServer()' - Return the hostname/address of the default server. |
173 | * | |
174 | * The returned value can be a fully-qualified hostname, a numeric | |
175 | * IPv4 or IPv6 address, or a domain socket pathname. | |
6b67a15e | 176 | */ |
177 | ||
c68b6ae8 | 178 | const char * /* O - Server name */ |
179 | cupsServer(void) | |
6b67a15e | 180 | { |
03f61bf3 | 181 | cups_file_t *fp; /* client.conf file */ |
c68b6ae8 | 182 | char *server; /* Pointer to server name */ |
183 | const char *home; /* Home directory of user */ | |
1fcc120e | 184 | char *port; /* Port number */ |
03f61bf3 | 185 | char line[1024], /* Line from file */ |
186 | *value; /* Value on line */ | |
187 | int linenum; /* Line number in file */ | |
9c9584a8 | 188 | #ifdef CUPS_DEFAULT_DOMAINSOCKET |
189 | struct stat sockinfo; /* Domain socket information */ | |
190 | #endif /* CUPS_DEFAULT_DOMAINSOCKET */ | |
2625096f | 191 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
6b67a15e | 192 | |
193 | ||
194 | /* | |
c68b6ae8 | 195 | * First see if we have already set the server name... |
6b67a15e | 196 | */ |
197 | ||
03f61bf3 | 198 | if (!cg->server[0]) |
c68b6ae8 | 199 | { |
200 | /* | |
201 | * Then see if the CUPS_SERVER environment variable is set... | |
202 | */ | |
6b67a15e | 203 | |
c68b6ae8 | 204 | if ((server = getenv("CUPS_SERVER")) == NULL) |
205 | { | |
206 | /* | |
207 | * Next check to see if we have a $HOME/.cupsrc or client.conf file... | |
208 | */ | |
209 | ||
210 | if ((home = getenv("HOME")) != NULL) | |
211 | { | |
04de52f8 | 212 | snprintf(line, sizeof(line), "%s/.cupsrc", home); |
03f61bf3 | 213 | fp = cupsFileOpen(line, "r"); |
c68b6ae8 | 214 | } |
215 | else | |
216 | fp = NULL; | |
6b67a15e | 217 | |
c68b6ae8 | 218 | if (fp == NULL) |
219 | { | |
a501ad17 | 220 | snprintf(line, sizeof(line), "%s/client.conf", cg->cups_serverroot); |
221 | fp = cupsFileOpen(line, "r"); | |
c68b6ae8 | 222 | } |
6b67a15e | 223 | |
c94f4aa9 | 224 | #ifdef CUPS_DEFAULT_DOMAINSOCKET |
9c9584a8 | 225 | /* |
226 | * If we are compiled with domain socket support, only use the | |
227 | * domain socket if it exists and has the right permissions... | |
228 | */ | |
229 | ||
230 | if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) && | |
231 | (sockinfo.st_mode & S_IRWXO) == S_IRWXO) | |
87650f55 | 232 | server = CUPS_DEFAULT_DOMAINSOCKET; |
233 | else | |
c94f4aa9 | 234 | #endif /* CUPS_DEFAULT_DOMAINSOCKET */ |
87650f55 | 235 | server = "localhost"; |
6b67a15e | 236 | |
c68b6ae8 | 237 | if (fp != NULL) |
238 | { | |
239 | /* | |
240 | * Read the config file and look for a ServerName line... | |
241 | */ | |
242 | ||
03f61bf3 | 243 | linenum = 0; |
244 | while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL) | |
30c80414 | 245 | if (!strcasecmp(line, "ServerName") && value) |
c68b6ae8 | 246 | { |
247 | /* | |
03f61bf3 | 248 | * Got it! |
c68b6ae8 | 249 | */ |
250 | ||
03f61bf3 | 251 | server = value; |
c68b6ae8 | 252 | break; |
253 | } | |
254 | ||
03f61bf3 | 255 | cupsFileClose(fp); |
c68b6ae8 | 256 | } |
257 | } | |
6b67a15e | 258 | |
c68b6ae8 | 259 | /* |
1fcc120e | 260 | * Copy the server name over and set the port number, if any... |
c68b6ae8 | 261 | */ |
262 | ||
03f61bf3 | 263 | strlcpy(cg->server, server, sizeof(cg->server)); |
c6075312 | 264 | |
03f61bf3 | 265 | if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL && |
c94f4aa9 | 266 | !strchr(port, ']') && isdigit(port[1] & 255)) |
c6075312 | 267 | { |
1fcc120e | 268 | *port++ = '\0'; |
269 | ||
270 | ippSetPort(atoi(port)); | |
271 | } | |
c94f4aa9 | 272 | |
273 | if (cg->server[0] == '/') | |
274 | strcpy(cg->servername, "localhost"); | |
275 | else | |
276 | strlcpy(cg->servername, cg->server, sizeof(cg->servername)); | |
c68b6ae8 | 277 | } |
278 | ||
03f61bf3 | 279 | return (cg->server); |
6b67a15e | 280 | } |
281 | ||
282 | ||
283 | /* | |
c68b6ae8 | 284 | * 'cupsSetPasswordCB()' - Set the password callback for CUPS. |
f82d9dea | 285 | * |
286 | * Pass NULL to restore the default (console) password callback. | |
6b67a15e | 287 | */ |
288 | ||
c68b6ae8 | 289 | void |
f82d9dea | 290 | cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */ |
6b67a15e | 291 | { |
2625096f | 292 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
03f61bf3 | 293 | |
294 | ||
c68b6ae8 | 295 | if (cb == (const char *(*)(const char *))0) |
03f61bf3 | 296 | cg->password_cb = _cupsGetPassword; |
c68b6ae8 | 297 | else |
03f61bf3 | 298 | cg->password_cb = cb; |
6b67a15e | 299 | } |
6b67a15e | 300 | |
301 | ||
302 | /* | |
f82d9dea | 303 | * 'cupsSetServer()' - Set the default server name. |
304 | * | |
305 | * The "server" string can be a fully-qualified hostname, a numeric | |
306 | * IPv4 or IPv6 address, or a domain socket pathname. Pass NULL to | |
307 | * restore the default server name. | |
6b67a15e | 308 | */ |
309 | ||
c68b6ae8 | 310 | void |
311 | cupsSetServer(const char *server) /* I - Server name */ | |
6b67a15e | 312 | { |
c94f4aa9 | 313 | char *port; /* Pointer to port */ |
2625096f | 314 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
03f61bf3 | 315 | |
316 | ||
c68b6ae8 | 317 | if (server) |
c94f4aa9 | 318 | { |
03f61bf3 | 319 | strlcpy(cg->server, server, sizeof(cg->server)); |
c94f4aa9 | 320 | |
321 | if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL && | |
322 | !strchr(port, ']') && isdigit(port[1] & 255)) | |
323 | { | |
324 | *port++ = '\0'; | |
325 | ||
326 | ippSetPort(atoi(port)); | |
327 | } | |
328 | ||
329 | if (cg->server[0] == '/') | |
330 | strcpy(cg->servername, "localhost"); | |
331 | else | |
332 | strlcpy(cg->servername, cg->server, sizeof(cg->servername)); | |
333 | } | |
c68b6ae8 | 334 | else |
c94f4aa9 | 335 | { |
336 | cg->server[0] = '\0'; | |
337 | cg->servername[0] = '\0'; | |
338 | } | |
c68b6ae8 | 339 | } |
6b67a15e | 340 | |
6b67a15e | 341 | |
c68b6ae8 | 342 | /* |
f82d9dea | 343 | * 'cupsSetUser()' - Set the default user name. |
344 | * | |
345 | * Pass NULL to restore the default user name. | |
c68b6ae8 | 346 | */ |
6b67a15e | 347 | |
c68b6ae8 | 348 | void |
349 | cupsSetUser(const char *user) /* I - User name */ | |
350 | { | |
2625096f | 351 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
03f61bf3 | 352 | |
353 | ||
c68b6ae8 | 354 | if (user) |
03f61bf3 | 355 | strlcpy(cg->user, user, sizeof(cg->user)); |
caa58f49 | 356 | else |
03f61bf3 | 357 | cg->user[0] = '\0'; |
c68b6ae8 | 358 | } |
359 | ||
360 | ||
e335a094 | 361 | #if defined(WIN32) |
c68b6ae8 | 362 | /* |
f82d9dea | 363 | * WIN32 username and password stuff. |
c68b6ae8 | 364 | */ |
365 | ||
366 | /* | |
367 | * 'cupsUser()' - Return the current user's name. | |
368 | */ | |
369 | ||
370 | const char * /* O - User name */ | |
371 | cupsUser(void) | |
372 | { | |
2625096f | 373 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
03f61bf3 | 374 | |
375 | ||
376 | if (!cg->user[0]) | |
e335a094 | 377 | { |
378 | DWORD size; /* Size of string */ | |
379 | ||
380 | ||
03f61bf3 | 381 | size = sizeof(cg->user); |
382 | if (!GetUserName(cg->user, &size)) | |
e335a094 | 383 | { |
384 | /* | |
385 | * Use the default username... | |
386 | */ | |
387 | ||
03f61bf3 | 388 | strcpy(cg->user, "unknown"); |
e335a094 | 389 | } |
390 | } | |
c68b6ae8 | 391 | |
03f61bf3 | 392 | return (cg->user); |
c68b6ae8 | 393 | } |
394 | ||
395 | ||
396 | /* | |
f82d9dea | 397 | * '_cupsGetPassword()' - Get a password from the user. |
c68b6ae8 | 398 | */ |
399 | ||
03f61bf3 | 400 | const char * /* O - Password */ |
401 | _cupsGetPassword(const char *prompt) /* I - Prompt string */ | |
c68b6ae8 | 402 | { |
403 | return (NULL); | |
404 | } | |
405 | #else | |
406 | /* | |
407 | * UNIX username and password stuff... | |
408 | */ | |
409 | ||
410 | # include <pwd.h> | |
caa58f49 | 411 | |
c68b6ae8 | 412 | /* |
413 | * 'cupsUser()' - Return the current user's name. | |
414 | */ | |
415 | ||
416 | const char * /* O - User name */ | |
417 | cupsUser(void) | |
418 | { | |
419 | struct passwd *pwd; /* User/password entry */ | |
2625096f | 420 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
c68b6ae8 | 421 | |
422 | ||
03f61bf3 | 423 | if (!cg->user[0]) |
3e3712a4 | 424 | { |
c68b6ae8 | 425 | /* |
426 | * Rewind the password file... | |
427 | */ | |
caa58f49 | 428 | |
c68b6ae8 | 429 | setpwent(); |
6b67a15e | 430 | |
c68b6ae8 | 431 | /* |
432 | * Lookup the password entry for the current user. | |
433 | */ | |
6b67a15e | 434 | |
c68b6ae8 | 435 | if ((pwd = getpwuid(getuid())) == NULL) |
03f61bf3 | 436 | strcpy(cg->user, "unknown"); /* Unknown user! */ |
c68b6ae8 | 437 | else |
6b67a15e | 438 | { |
439 | /* | |
06d5ef42 | 440 | * Copy the username... |
6b67a15e | 441 | */ |
442 | ||
c68b6ae8 | 443 | setpwent(); |
6b67a15e | 444 | |
03f61bf3 | 445 | strlcpy(cg->user, pwd->pw_name, sizeof(cg->user)); |
6b67a15e | 446 | } |
06d5ef42 | 447 | |
448 | /* | |
449 | * Rewind the password file again... | |
450 | */ | |
451 | ||
452 | setpwent(); | |
c68b6ae8 | 453 | } |
6b67a15e | 454 | |
03f61bf3 | 455 | return (cg->user); |
c68b6ae8 | 456 | } |
6b67a15e | 457 | |
6b67a15e | 458 | |
c68b6ae8 | 459 | /* |
f82d9dea | 460 | * '_cupsGetPassword()' - Get a password from the user. |
c68b6ae8 | 461 | */ |
462 | ||
03f61bf3 | 463 | const char * /* O - Password */ |
464 | _cupsGetPassword(const char *prompt) /* I - Prompt string */ | |
c68b6ae8 | 465 | { |
466 | return (getpass(prompt)); | |
6b67a15e | 467 | } |
e335a094 | 468 | #endif /* WIN32 */ |
6b67a15e | 469 | |
470 | ||
e93faa10 | 471 | /* |
c9d3f842 | 472 | * End of "$Id$". |
6b67a15e | 473 | */ |