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Commit | Line | Data |
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b423cd4c | 1 | /* |
5ec1fd3d | 2 | * Authorization routines for the CUPS scheduler. |
ef416fc2 | 3 | * |
fa26ab95 | 4 | * Copyright © 2007-2019 by Apple Inc. |
3cd7b5e0 | 5 | * Copyright © 1997-2007 by Easy Software Products, all rights reserved. |
f7deaa1a | 6 | * |
5ec1fd3d MS |
7 | * This file contains Kerberos support code, copyright 2006 by |
8 | * Jelmer Vernooij. | |
ef416fc2 | 9 | * |
3cd7b5e0 MS |
10 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
11 | * information. | |
ef416fc2 | 12 | */ |
13 | ||
14 | /* | |
15 | * Include necessary headers... | |
16 | */ | |
17 | ||
18 | #include "cupsd.h" | |
19 | #include <grp.h> | |
20 | #ifdef HAVE_SHADOW_H | |
21 | # include <shadow.h> | |
22 | #endif /* HAVE_SHADOW_H */ | |
23 | #ifdef HAVE_CRYPT_H | |
24 | # include <crypt.h> | |
25 | #endif /* HAVE_CRYPT_H */ | |
26 | #if HAVE_LIBPAM | |
27 | # ifdef HAVE_PAM_PAM_APPL_H | |
28 | # include <pam/pam_appl.h> | |
29 | # else | |
30 | # include <security/pam_appl.h> | |
31 | # endif /* HAVE_PAM_PAM_APPL_H */ | |
32 | #endif /* HAVE_LIBPAM */ | |
bd7854cb | 33 | #ifdef HAVE_MEMBERSHIP_H |
34 | # include <membership.h> | |
35 | #endif /* HAVE_MEMBERSHIP_H */ | |
f7deaa1a | 36 | #ifdef HAVE_AUTHORIZATION_H |
37 | # include <Security/AuthorizationTags.h> | |
f7deaa1a | 38 | #endif /* HAVE_AUTHORIZATION_H */ |
db1f069b MS |
39 | #ifdef HAVE_SYS_PARAM_H |
40 | # include <sys/param.h> | |
41 | #endif /* HAVE_SYS_PARAM_H */ | |
bc44d920 | 42 | #ifdef HAVE_SYS_UCRED_H |
43 | # include <sys/ucred.h> | |
44 | typedef struct xucred cupsd_ucred_t; | |
45 | # define CUPSD_UCRED_UID(c) (c).cr_uid | |
46 | #else | |
5a9febac | 47 | # ifndef __OpenBSD__ |
bc44d920 | 48 | typedef struct ucred cupsd_ucred_t; |
5a9febac MS |
49 | # else |
50 | typedef struct sockpeercred cupsd_ucred_t; | |
51 | # endif | |
bc44d920 | 52 | # define CUPSD_UCRED_UID(c) (c).uid |
53 | #endif /* HAVE_SYS_UCRED_H */ | |
ef416fc2 | 54 | |
55 | ||
56 | /* | |
57 | * Local functions... | |
58 | */ | |
59 | ||
f7deaa1a | 60 | #ifdef HAVE_AUTHORIZATION_H |
61 | static int check_authref(cupsd_client_t *con, const char *right); | |
62 | #endif /* HAVE_AUTHORIZATION_H */ | |
bd7854cb | 63 | static int compare_locations(cupsd_location_t *a, |
64 | cupsd_location_t *b); | |
10d09e33 | 65 | static cupsd_authmask_t *copy_authmask(cupsd_authmask_t *am, void *data); |
10d09e33 | 66 | static void free_authmask(cupsd_authmask_t *am, void *data); |
ef416fc2 | 67 | #if HAVE_LIBPAM |
68 | static int pam_func(int, const struct pam_message **, | |
69 | struct pam_response **, void *); | |
ef416fc2 | 70 | #endif /* HAVE_LIBPAM */ |
71 | ||
72 | ||
73 | /* | |
74 | * Local structures... | |
75 | */ | |
76 | ||
77 | #if HAVE_LIBPAM | |
78 | typedef struct cupsd_authdata_s /**** Authentication data ****/ | |
79 | { | |
3e7fe0ca MS |
80 | char username[HTTP_MAX_VALUE], /* Username string */ |
81 | password[HTTP_MAX_VALUE]; /* Password string */ | |
ef416fc2 | 82 | } cupsd_authdata_t; |
83 | #endif /* HAVE_LIBPAM */ | |
84 | ||
85 | ||
ef416fc2 | 86 | /* |
10d09e33 | 87 | * 'cupsdAddIPMask()' - Add an IP address authorization mask. |
ef416fc2 | 88 | */ |
89 | ||
10d09e33 MS |
90 | int /* O - 1 on success, 0 on failure */ |
91 | cupsdAddIPMask( | |
92 | cups_array_t **masks, /* IO - Masks array (created as needed) */ | |
93 | const unsigned address[4], /* I - IP address */ | |
94 | const unsigned netmask[4]) /* I - IP netmask */ | |
ef416fc2 | 95 | { |
10d09e33 | 96 | cupsd_authmask_t temp; /* New host/domain mask */ |
ef416fc2 | 97 | |
98 | ||
ffe32673 | 99 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAddIPMask(masks=%p(%p), address=%x:%x:%x:%x, netmask=%x:%x:%x:%x)", masks, *masks, address[0], address[1], address[2], address[3], netmask[0], netmask[1], netmask[2], netmask[3]); |
ef416fc2 | 100 | |
10d09e33 MS |
101 | temp.type = CUPSD_AUTH_IP; |
102 | memcpy(temp.mask.ip.address, address, sizeof(temp.mask.ip.address)); | |
103 | memcpy(temp.mask.ip.netmask, netmask, sizeof(temp.mask.ip.netmask)); | |
ef416fc2 | 104 | |
bd7854cb | 105 | /* |
10d09e33 | 106 | * Create the masks array as needed and add... |
bd7854cb | 107 | */ |
108 | ||
10d09e33 MS |
109 | if (!*masks) |
110 | *masks = cupsArrayNew3(NULL, NULL, NULL, 0, | |
111 | (cups_acopy_func_t)copy_authmask, | |
112 | (cups_afree_func_t)free_authmask); | |
ef416fc2 | 113 | |
10d09e33 MS |
114 | return (cupsArrayAdd(*masks, &temp)); |
115 | } | |
ef416fc2 | 116 | |
bd7854cb | 117 | |
10d09e33 MS |
118 | /* |
119 | * 'cupsdAddLocation()' - Add a location for authorization. | |
120 | */ | |
ef416fc2 | 121 | |
10d09e33 MS |
122 | void |
123 | cupsdAddLocation(cupsd_location_t *loc) /* I - Location to add */ | |
124 | { | |
ef416fc2 | 125 | /* |
10d09e33 | 126 | * Make sure the locations array is created... |
ef416fc2 | 127 | */ |
128 | ||
10d09e33 MS |
129 | if (!Locations) |
130 | Locations = cupsArrayNew3((cups_array_func_t)compare_locations, NULL, | |
131 | (cups_ahash_func_t)NULL, 0, | |
132 | (cups_acopy_func_t)NULL, | |
133 | (cups_afree_func_t)cupsdFreeLocation); | |
134 | ||
135 | if (Locations) | |
136 | { | |
137 | cupsArrayAdd(Locations, loc); | |
138 | ||
ffe32673 | 139 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAddLocation: Added location \"%s\"", loc->location ? loc->location : "(null)"); |
10d09e33 | 140 | } |
ef416fc2 | 141 | } |
142 | ||
143 | ||
144 | /* | |
145 | * 'cupsdAddName()' - Add a name to a location... | |
146 | */ | |
147 | ||
148 | void | |
149 | cupsdAddName(cupsd_location_t *loc, /* I - Location to add to */ | |
150 | char *name) /* I - Name to add */ | |
151 | { | |
ffe32673 | 152 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAddName(loc=%p, name=\"%s\")", loc, name); |
ef416fc2 | 153 | |
10d09e33 MS |
154 | if (!loc->names) |
155 | loc->names = cupsArrayNew3(NULL, NULL, NULL, 0, | |
156 | (cups_acopy_func_t)_cupsStrAlloc, | |
157 | (cups_afree_func_t)_cupsStrFree); | |
ef416fc2 | 158 | |
10d09e33 | 159 | if (!cupsArrayAdd(loc->names, name)) |
ef416fc2 | 160 | { |
161 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
162 | "Unable to duplicate name for location %s: %s", | |
e1d6a774 | 163 | loc->location ? loc->location : "nil", strerror(errno)); |
ef416fc2 | 164 | return; |
165 | } | |
ef416fc2 | 166 | } |
167 | ||
168 | ||
169 | /* | |
10d09e33 | 170 | * 'cupsdAddNameMask()' - Add a host or interface name authorization mask. |
ef416fc2 | 171 | */ |
172 | ||
10d09e33 MS |
173 | int /* O - 1 on success, 0 on failure */ |
174 | cupsdAddNameMask(cups_array_t **masks, /* IO - Masks array (created as needed) */ | |
175 | char *name) /* I - Host or interface name */ | |
ef416fc2 | 176 | { |
10d09e33 | 177 | cupsd_authmask_t temp; /* New host/domain mask */ |
ef416fc2 | 178 | char ifname[32], /* Interface name */ |
179 | *ifptr; /* Pointer to end of name */ | |
180 | ||
181 | ||
ffe32673 | 182 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAddNameMask(masks=%p(%p), name=\"%s\")", masks, *masks, name); |
ef416fc2 | 183 | |
88f9aafc | 184 | if (!_cups_strcasecmp(name, "@LOCAL")) |
ef416fc2 | 185 | { |
186 | /* | |
10d09e33 | 187 | * Deny *interface*... |
ef416fc2 | 188 | */ |
189 | ||
10d09e33 MS |
190 | temp.type = CUPSD_AUTH_INTERFACE; |
191 | temp.mask.name.name = (char *)"*"; | |
ef416fc2 | 192 | } |
88f9aafc | 193 | else if (!_cups_strncasecmp(name, "@IF(", 4)) |
ef416fc2 | 194 | { |
195 | /* | |
10d09e33 | 196 | * Deny *interface*... |
ef416fc2 | 197 | */ |
198 | ||
199 | strlcpy(ifname, name + 4, sizeof(ifname)); | |
200 | ||
10d09e33 | 201 | ifptr = ifname + strlen(ifname) - 1; |
ef416fc2 | 202 | |
10d09e33 | 203 | if (ifptr >= ifname && *ifptr == ')') |
ef416fc2 | 204 | { |
ef416fc2 | 205 | *ifptr = '\0'; |
206 | } | |
207 | ||
10d09e33 MS |
208 | temp.type = CUPSD_AUTH_INTERFACE; |
209 | temp.mask.name.name = ifname; | |
ef416fc2 | 210 | } |
211 | else | |
212 | { | |
213 | /* | |
10d09e33 | 214 | * Deny name... |
ef416fc2 | 215 | */ |
216 | ||
10d09e33 MS |
217 | if (*name == '*') |
218 | name ++; | |
ef416fc2 | 219 | |
10d09e33 MS |
220 | temp.type = CUPSD_AUTH_NAME; |
221 | temp.mask.name.name = (char *)name; | |
222 | } | |
ef416fc2 | 223 | |
10d09e33 MS |
224 | /* |
225 | * Set the name length... | |
226 | */ | |
ef416fc2 | 227 | |
10d09e33 | 228 | temp.mask.name.length = strlen(temp.mask.name.name); |
ef416fc2 | 229 | |
10d09e33 MS |
230 | /* |
231 | * Create the masks array as needed and add... | |
232 | */ | |
ef416fc2 | 233 | |
10d09e33 MS |
234 | if (!*masks) |
235 | *masks = cupsArrayNew3(NULL, NULL, NULL, 0, | |
236 | (cups_acopy_func_t)copy_authmask, | |
237 | (cups_afree_func_t)free_authmask); | |
ef416fc2 | 238 | |
10d09e33 | 239 | return (cupsArrayAdd(*masks, &temp)); |
ef416fc2 | 240 | } |
241 | ||
242 | ||
243 | /* | |
244 | * 'cupsdAuthorize()' - Validate any authorization credentials. | |
245 | */ | |
246 | ||
247 | void | |
248 | cupsdAuthorize(cupsd_client_t *con) /* I - Client connection */ | |
249 | { | |
250 | int type; /* Authentication type */ | |
f7deaa1a | 251 | const char *authorization; /* Pointer into Authorization string */ |
252 | char *ptr, /* Pointer into string */ | |
3e7fe0ca MS |
253 | username[HTTP_MAX_VALUE], |
254 | /* Username string */ | |
255 | password[HTTP_MAX_VALUE]; | |
256 | /* Password string */ | |
db0bd74a | 257 | cupsd_cert_t *localuser; /* Certificate username */ |
ef416fc2 | 258 | |
259 | ||
260 | /* | |
261 | * Locate the best matching location so we know what kind of | |
262 | * authentication to expect... | |
263 | */ | |
264 | ||
996acce8 | 265 | con->best = cupsdFindBest(con->uri, httpGetState(con->http)); |
5bd77a73 | 266 | con->type = CUPSD_AUTH_NONE; |
ef416fc2 | 267 | |
ffe32673 | 268 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "con->uri=\"%s\", con->best=%p(%s)", con->uri, con->best, con->best ? con->best->location : ""); |
ef416fc2 | 269 | |
5bd77a73 | 270 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
7ff4fea9 | 271 | { |
5bd77a73 | 272 | if (con->best->type == CUPSD_AUTH_DEFAULT) |
dcb445bc | 273 | type = cupsdDefaultAuthType(); |
7ff4fea9 MS |
274 | else |
275 | type = con->best->type; | |
276 | } | |
ef416fc2 | 277 | else |
dcb445bc | 278 | type = cupsdDefaultAuthType(); |
ef416fc2 | 279 | |
280 | /* | |
281 | * Decode the Authorization string... | |
282 | */ | |
283 | ||
996acce8 | 284 | authorization = httpGetField(con->http, HTTP_FIELD_AUTHORIZATION); |
ef416fc2 | 285 | |
ef416fc2 | 286 | username[0] = '\0'; |
287 | password[0] = '\0'; | |
288 | ||
07ed0e9a MS |
289 | #ifdef HAVE_GSSAPI |
290 | con->gss_uid = 0; | |
291 | #endif /* HAVE_GSSAPI */ | |
292 | ||
f7deaa1a | 293 | #ifdef HAVE_AUTHORIZATION_H |
294 | if (con->authref) | |
295 | { | |
296 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
297 | con->authref = NULL; | |
298 | } | |
299 | #endif /* HAVE_AUTHORIZATION_H */ | |
300 | ||
2fb76298 | 301 | if (!*authorization) |
ef416fc2 | 302 | { |
303 | /* | |
304 | * No authorization data provided, return early... | |
305 | */ | |
306 | ||
ffe32673 | 307 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "No authentication data provided."); |
ef416fc2 | 308 | return; |
309 | } | |
f7deaa1a | 310 | #ifdef HAVE_AUTHORIZATION_H |
c8fef167 | 311 | else if (!strncmp(authorization, "AuthRef ", 8) && |
5ec1fd3d | 312 | httpAddrLocalhost(httpGetAddress(con->http))) |
f7deaa1a | 313 | { |
314 | OSStatus status; /* Status */ | |
e0660879 MS |
315 | char authdata[HTTP_MAX_VALUE]; |
316 | /* Nonce value from client */ | |
f7deaa1a | 317 | int authlen; /* Auth string length */ |
318 | AuthorizationItemSet *authinfo; /* Authorization item set */ | |
319 | ||
320 | /* | |
321 | * Get the Authorization Services data... | |
322 | */ | |
323 | ||
c8fef167 | 324 | authorization += 8; |
f7deaa1a | 325 | while (isspace(*authorization & 255)) |
326 | authorization ++; | |
327 | ||
e0660879 MS |
328 | authlen = sizeof(authdata); |
329 | httpDecode64_2(authdata, &authlen, authorization); | |
f7deaa1a | 330 | |
331 | if (authlen != kAuthorizationExternalFormLength) | |
332 | { | |
ffe32673 | 333 | cupsdLogClient(con, CUPSD_LOG_ERROR, "External Authorization reference size is incorrect."); |
f7deaa1a | 334 | return; |
335 | } | |
336 | ||
e0660879 | 337 | if ((status = AuthorizationCreateFromExternalForm((AuthorizationExternalForm *)authdata, &con->authref)) != 0) |
f7deaa1a | 338 | { |
fa26ab95 | 339 | cupsdLogClient(con, CUPSD_LOG_ERROR, "AuthorizationCreateFromExternalForm returned %d", (int)status); |
f7deaa1a | 340 | return; |
341 | } | |
342 | ||
c8fef167 | 343 | username[0] = '\0'; |
ed6e7faf | 344 | |
c8fef167 | 345 | if (!AuthorizationCopyInfo(con->authref, kAuthorizationEnvironmentUsername, |
bf3816c7 | 346 | &authinfo)) |
e4572d57 | 347 | { |
ed6e7faf MS |
348 | if (authinfo->count == 1 && authinfo->items[0].value && |
349 | authinfo->items[0].valueLength >= 2) | |
c8fef167 | 350 | { |
ed6e7faf MS |
351 | strlcpy(username, authinfo->items[0].value, sizeof(username)); |
352 | ||
ffe32673 | 353 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as \"%s\" using AuthRef.", username); |
c8fef167 MS |
354 | } |
355 | ||
e4572d57 | 356 | AuthorizationFreeItemSet(authinfo); |
e4572d57 | 357 | } |
355e94dc | 358 | |
c8fef167 MS |
359 | if (!username[0]) |
360 | { | |
361 | /* | |
362 | * No username in AuthRef, grab username using peer credentials... | |
363 | */ | |
364 | ||
365 | struct passwd *pwd; /* Password entry for this user */ | |
366 | cupsd_ucred_t peercred; /* Peer credentials */ | |
367 | socklen_t peersize; /* Size of peer credentials */ | |
368 | ||
369 | peersize = sizeof(peercred); | |
370 | ||
996acce8 | 371 | if (getsockopt(httpGetFd(con->http), 0, LOCAL_PEERCRED, &peercred, &peersize)) |
c8fef167 | 372 | { |
ffe32673 | 373 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get peer credentials - %s", strerror(errno)); |
c8fef167 MS |
374 | return; |
375 | } | |
376 | ||
377 | if ((pwd = getpwuid(CUPSD_UCRED_UID(peercred))) == NULL) | |
378 | { | |
ffe32673 | 379 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to find UID %d for peer credentials.", (int)CUPSD_UCRED_UID(peercred)); |
c8fef167 MS |
380 | return; |
381 | } | |
382 | ||
383 | strlcpy(username, pwd->pw_name, sizeof(username)); | |
384 | ||
ffe32673 | 385 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as \"%s\" using AuthRef + PeerCred.", username); |
c8fef167 MS |
386 | } |
387 | ||
5bd77a73 | 388 | con->type = CUPSD_AUTH_BASIC; |
f7deaa1a | 389 | } |
390 | #endif /* HAVE_AUTHORIZATION_H */ | |
bc44d920 | 391 | #if defined(SO_PEERCRED) && defined(AF_LOCAL) |
392 | else if (!strncmp(authorization, "PeerCred ", 9) && | |
0d40cb1e | 393 | con->http->hostaddr->addr.sa_family == AF_LOCAL && con->best) |
bc44d920 | 394 | { |
395 | /* | |
396 | * Use peer credentials from domain socket connection... | |
397 | */ | |
398 | ||
399 | struct passwd *pwd; /* Password entry for this user */ | |
400 | cupsd_ucred_t peercred; /* Peer credentials */ | |
401 | socklen_t peersize; /* Size of peer credentials */ | |
f14324a7 MS |
402 | #ifdef HAVE_AUTHORIZATION_H |
403 | const char *name; /* Authorizing name */ | |
6961465f MS |
404 | int no_peer = 0; /* Don't allow peer credentials? */ |
405 | ||
406 | /* | |
407 | * See if we should allow peer credentials... | |
408 | */ | |
bc44d920 | 409 | |
f14324a7 MS |
410 | for (name = (char *)cupsArrayFirst(con->best->names); |
411 | name; | |
412 | name = (char *)cupsArrayNext(con->best->names)) | |
6961465f | 413 | { |
dcb445bc MS |
414 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9) || |
415 | !_cups_strcasecmp(name, "@SYSTEM")) | |
f14324a7 | 416 | { |
6961465f MS |
417 | /* Normally don't want peer credentials if we need an auth key... */ |
418 | no_peer = 1; | |
419 | } | |
420 | else if (!_cups_strcasecmp(name, "@OWNER")) | |
421 | { | |
422 | /* but if @OWNER is present then we allow it... */ | |
423 | no_peer = 0; | |
424 | break; | |
f14324a7 | 425 | } |
6961465f MS |
426 | } |
427 | ||
428 | if (no_peer) | |
429 | { | |
ffe32673 | 430 | cupsdLogClient(con, CUPSD_LOG_ERROR, "PeerCred authentication not allowed for resource per AUTHKEY policy."); |
6961465f MS |
431 | return; |
432 | } | |
f14324a7 | 433 | #endif /* HAVE_AUTHORIZATION_H */ |
bc44d920 | 434 | |
435 | if ((pwd = getpwnam(authorization + 9)) == NULL) | |
436 | { | |
ffe32673 | 437 | cupsdLogClient(con, CUPSD_LOG_ERROR, "User \"%s\" does not exist.", authorization + 9); |
bc44d920 | 438 | return; |
439 | } | |
440 | ||
441 | peersize = sizeof(peercred); | |
442 | ||
f11a948a | 443 | # ifdef __APPLE__ |
996acce8 | 444 | if (getsockopt(httpGetFd(con->http), 0, LOCAL_PEERCRED, &peercred, &peersize)) |
f11a948a | 445 | # else |
996acce8 | 446 | if (getsockopt(httpGetFd(con->http), SOL_SOCKET, SO_PEERCRED, &peercred, &peersize)) |
f11a948a | 447 | # endif /* __APPLE__ */ |
bc44d920 | 448 | { |
ffe32673 | 449 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get peer credentials - %s", strerror(errno)); |
bc44d920 | 450 | return; |
451 | } | |
452 | ||
453 | if (pwd->pw_uid != CUPSD_UCRED_UID(peercred)) | |
454 | { | |
ffe32673 | 455 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Invalid peer credentials for \"%s\" - got %d, expected %d.", authorization + 9, CUPSD_UCRED_UID(peercred), pwd->pw_uid); |
bc44d920 | 456 | # ifdef HAVE_SYS_UCRED_H |
ffe32673 MS |
457 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cr_version=%d", peercred.cr_version); |
458 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cr_uid=%d", peercred.cr_uid); | |
459 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cr_ngroups=%d", peercred.cr_ngroups); | |
460 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cr_groups[0]=%d", peercred.cr_groups[0]); | |
bc44d920 | 461 | # endif /* HAVE_SYS_UCRED_H */ |
462 | return; | |
463 | } | |
464 | ||
465 | strlcpy(username, authorization + 9, sizeof(username)); | |
355e94dc | 466 | |
eac3a0a0 MS |
467 | # ifdef HAVE_GSSAPI |
468 | con->gss_uid = CUPSD_UCRED_UID(peercred); | |
469 | # endif /* HAVE_GSSAPI */ | |
470 | ||
ffe32673 | 471 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as %s using PeerCred.", username); |
2fb76298 | 472 | |
5bd77a73 | 473 | con->type = CUPSD_AUTH_BASIC; |
bc44d920 | 474 | } |
475 | #endif /* SO_PEERCRED && AF_LOCAL */ | |
ef416fc2 | 476 | else if (!strncmp(authorization, "Local", 5) && |
5ec1fd3d | 477 | httpAddrLocalhost(httpGetAddress(con->http))) |
ef416fc2 | 478 | { |
479 | /* | |
480 | * Get Local certificate authentication data... | |
481 | */ | |
482 | ||
483 | authorization += 5; | |
80ca4592 | 484 | while (isspace(*authorization & 255)) |
ef416fc2 | 485 | authorization ++; |
486 | ||
0fa6c7fa | 487 | if ((localuser = cupsdFindCert(authorization)) == NULL) |
ef416fc2 | 488 | { |
ffe32673 | 489 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Local authentication certificate not found."); |
ef416fc2 | 490 | return; |
491 | } | |
2fb76298 | 492 | |
0fa6c7fa MS |
493 | strlcpy(username, localuser->username, sizeof(username)); |
494 | con->type = localuser->type; | |
495 | ||
ffe32673 | 496 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as %s using Local.", username); |
ef416fc2 | 497 | } |
2fb76298 | 498 | else if (!strncmp(authorization, "Basic", 5)) |
ef416fc2 | 499 | { |
500 | /* | |
501 | * Get the Basic authentication data... | |
502 | */ | |
503 | ||
504 | int userlen; /* Username:password length */ | |
505 | ||
506 | ||
507 | authorization += 5; | |
80ca4592 | 508 | while (isspace(*authorization & 255)) |
ef416fc2 | 509 | authorization ++; |
510 | ||
511 | userlen = sizeof(username); | |
512 | httpDecode64_2(username, &userlen, authorization); | |
513 | ||
514 | /* | |
515 | * Pull the username and password out... | |
516 | */ | |
517 | ||
518 | if ((ptr = strchr(username, ':')) == NULL) | |
519 | { | |
ffe32673 | 520 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Basic password."); |
ef416fc2 | 521 | return; |
522 | } | |
523 | ||
524 | *ptr++ = '\0'; | |
525 | ||
526 | if (!username[0]) | |
527 | { | |
528 | /* | |
529 | * Username must not be empty... | |
530 | */ | |
531 | ||
ffe32673 | 532 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Empty Basic username."); |
ef416fc2 | 533 | return; |
534 | } | |
535 | ||
536 | if (!*ptr) | |
537 | { | |
538 | /* | |
539 | * Password must not be empty... | |
540 | */ | |
541 | ||
ffe32673 | 542 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Empty Basic password."); |
ef416fc2 | 543 | return; |
544 | } | |
545 | ||
546 | strlcpy(password, ptr, sizeof(password)); | |
547 | ||
548 | /* | |
549 | * Validate the username and password... | |
550 | */ | |
551 | ||
552 | switch (type) | |
553 | { | |
2fb76298 | 554 | default : |
5bd77a73 | 555 | case CUPSD_AUTH_BASIC : |
ef416fc2 | 556 | { |
557 | #if HAVE_LIBPAM | |
558 | /* | |
559 | * Only use PAM to do authentication. This supports MD5 | |
560 | * passwords, among other things... | |
561 | */ | |
562 | ||
563 | pam_handle_t *pamh; /* PAM authentication handle */ | |
564 | int pamerr; /* PAM error code */ | |
565 | struct pam_conv pamdata;/* PAM conversation data */ | |
566 | cupsd_authdata_t data; /* Authentication data */ | |
567 | ||
568 | ||
569 | strlcpy(data.username, username, sizeof(data.username)); | |
570 | strlcpy(data.password, password, sizeof(data.password)); | |
571 | ||
5a1d7a17 | 572 | # ifdef __sun |
e1d6a774 | 573 | pamdata.conv = (int (*)(int, struct pam_message **, |
574 | struct pam_response **, | |
575 | void *))pam_func; | |
576 | # else | |
ef416fc2 | 577 | pamdata.conv = pam_func; |
5a1d7a17 | 578 | # endif /* __sun */ |
ef416fc2 | 579 | pamdata.appdata_ptr = &data; |
580 | ||
ef416fc2 | 581 | pamerr = pam_start("cups", username, &pamdata, &pamh); |
582 | if (pamerr != PAM_SUCCESS) | |
583 | { | |
ffe32673 | 584 | cupsdLogClient(con, CUPSD_LOG_ERROR, "pam_start() returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
ef416fc2 | 585 | return; |
586 | } | |
587 | ||
ee571f26 MS |
588 | # ifdef HAVE_PAM_SET_ITEM |
589 | # ifdef PAM_RHOST | |
996acce8 | 590 | pamerr = pam_set_item(pamh, PAM_RHOST, con->http->hostname); |
a4924f6c | 591 | if (pamerr != PAM_SUCCESS) |
ffe32673 | 592 | cupsdLogClient(con, CUPSD_LOG_WARN, "pam_set_item(PAM_RHOST) returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
ee571f26 MS |
593 | # endif /* PAM_RHOST */ |
594 | ||
595 | # ifdef PAM_TTY | |
596 | pamerr = pam_set_item(pamh, PAM_TTY, "cups"); | |
597 | if (pamerr != PAM_SUCCESS) | |
ffe32673 | 598 | cupsdLogClient(con, CUPSD_LOG_WARN, "pam_set_item(PAM_TTY) returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
ee571f26 MS |
599 | # endif /* PAM_TTY */ |
600 | # endif /* HAVE_PAM_SET_ITEM */ | |
601 | ||
ef416fc2 | 602 | pamerr = pam_authenticate(pamh, PAM_SILENT); |
603 | if (pamerr != PAM_SUCCESS) | |
604 | { | |
ffe32673 | 605 | cupsdLogClient(con, CUPSD_LOG_ERROR, "pam_authenticate() returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
ef416fc2 | 606 | pam_end(pamh, 0); |
607 | return; | |
608 | } | |
609 | ||
94da7e34 MS |
610 | # ifdef HAVE_PAM_SETCRED |
611 | pamerr = pam_setcred(pamh, PAM_ESTABLISH_CRED | PAM_SILENT); | |
612 | if (pamerr != PAM_SUCCESS) | |
ffe32673 | 613 | cupsdLogClient(con, CUPSD_LOG_WARN, "pam_setcred() returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
94da7e34 MS |
614 | # endif /* HAVE_PAM_SETCRED */ |
615 | ||
ef416fc2 | 616 | pamerr = pam_acct_mgmt(pamh, PAM_SILENT); |
617 | if (pamerr != PAM_SUCCESS) | |
618 | { | |
ffe32673 | 619 | cupsdLogClient(con, CUPSD_LOG_ERROR, "pam_acct_mgmt() returned %d (%s)", pamerr, pam_strerror(pamh, pamerr)); |
ef416fc2 | 620 | pam_end(pamh, 0); |
621 | return; | |
622 | } | |
623 | ||
624 | pam_end(pamh, PAM_SUCCESS); | |
625 | ||
ef416fc2 | 626 | #else |
627 | /* | |
628 | * Use normal UNIX password file-based authentication... | |
629 | */ | |
630 | ||
631 | char *pass; /* Encrypted password */ | |
632 | struct passwd *pw; /* User password data */ | |
633 | # ifdef HAVE_SHADOW_H | |
634 | struct spwd *spw; /* Shadow password data */ | |
635 | # endif /* HAVE_SHADOW_H */ | |
636 | ||
637 | ||
638 | pw = getpwnam(username); /* Get the current password */ | |
639 | endpwent(); /* Close the password file */ | |
640 | ||
641 | if (!pw) | |
642 | { | |
643 | /* | |
644 | * No such user... | |
645 | */ | |
646 | ||
ffe32673 | 647 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unknown username \"%s\".", username); |
80ca4592 | 648 | return; |
ef416fc2 | 649 | } |
650 | ||
651 | # ifdef HAVE_SHADOW_H | |
652 | spw = getspnam(username); | |
653 | endspent(); | |
654 | ||
655 | if (!spw && !strcmp(pw->pw_passwd, "x")) | |
656 | { | |
657 | /* | |
658 | * Don't allow blank passwords! | |
659 | */ | |
660 | ||
ffe32673 | 661 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Username \"%s\" has no shadow password.", username); |
ef416fc2 | 662 | return; |
663 | } | |
664 | ||
665 | if (spw && !spw->sp_pwdp[0] && !pw->pw_passwd[0]) | |
666 | # else | |
667 | if (!pw->pw_passwd[0]) | |
668 | # endif /* HAVE_SHADOW_H */ | |
669 | { | |
670 | /* | |
671 | * Don't allow blank passwords! | |
672 | */ | |
673 | ||
ffe32673 | 674 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Username \"%s\" has no password.", username); |
ef416fc2 | 675 | return; |
676 | } | |
677 | ||
678 | /* | |
679 | * OK, the password isn't blank, so compare with what came from the | |
680 | * client... | |
681 | */ | |
682 | ||
3cd7b5e0 | 683 | pass = crypt(password, pw->pw_passwd); |
ef416fc2 | 684 | |
ef416fc2 | 685 | if (!pass || strcmp(pw->pw_passwd, pass)) |
686 | { | |
687 | # ifdef HAVE_SHADOW_H | |
688 | if (spw) | |
689 | { | |
3cd7b5e0 | 690 | pass = crypt(password, spw->sp_pwdp); |
ef416fc2 | 691 | |
ef416fc2 | 692 | if (pass == NULL || strcmp(spw->sp_pwdp, pass)) |
693 | { | |
ffe32673 | 694 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Authentication failed for user \"%s\".", username); |
ef416fc2 | 695 | return; |
696 | } | |
697 | } | |
698 | else | |
699 | # endif /* HAVE_SHADOW_H */ | |
700 | { | |
ffe32673 | 701 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Authentication failed for user \"%s\".", username); |
ef416fc2 | 702 | return; |
703 | } | |
704 | } | |
705 | #endif /* HAVE_LIBPAM */ | |
706 | } | |
355e94dc | 707 | |
ffe32673 | 708 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as \"%s\" using Basic.", username); |
ef416fc2 | 709 | break; |
ef416fc2 | 710 | } |
2fb76298 MS |
711 | |
712 | con->type = type; | |
ef416fc2 | 713 | } |
f7deaa1a | 714 | #ifdef HAVE_GSSAPI |
c8fef167 | 715 | else if (!strncmp(authorization, "Negotiate", 9)) |
f7deaa1a | 716 | { |
717 | int len; /* Length of authorization string */ | |
f7deaa1a | 718 | gss_ctx_id_t context; /* Authorization context */ |
719 | OM_uint32 major_status, /* Major status code */ | |
720 | minor_status; /* Minor status code */ | |
721 | gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER, | |
722 | /* Input token from string */ | |
723 | output_token = GSS_C_EMPTY_BUFFER; | |
724 | /* Output token for username */ | |
725 | gss_name_t client_name; /* Client name */ | |
726 | ||
727 | ||
f42414bf | 728 | # ifdef __APPLE__ |
729 | /* | |
730 | * If the weak-linked GSSAPI/Kerberos library is not present, don't try | |
731 | * to use it... | |
732 | */ | |
733 | ||
d2ff4622 | 734 | if (&gss_init_sec_context == NULL) |
f42414bf | 735 | { |
ffe32673 | 736 | cupsdLogClient(con, CUPSD_LOG_WARN, "GSSAPI/Kerberos authentication failed because the Kerberos framework is not present."); |
f42414bf | 737 | return; |
738 | } | |
739 | # endif /* __APPLE__ */ | |
740 | ||
f7deaa1a | 741 | /* |
742 | * Find the start of the Kerberos input token... | |
743 | */ | |
744 | ||
745 | authorization += 9; | |
746 | while (isspace(*authorization & 255)) | |
747 | authorization ++; | |
748 | ||
749 | if (!*authorization) | |
750 | { | |
ffe32673 | 751 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "No authentication data specified."); |
f7deaa1a | 752 | return; |
753 | } | |
754 | ||
f7deaa1a | 755 | /* |
756 | * Decode the authorization string to get the input token... | |
757 | */ | |
758 | ||
b31d4ca5 | 759 | len = (int)strlen(authorization) + 0; |
7e86f2f6 | 760 | input_token.value = malloc((size_t)len); |
f7deaa1a | 761 | input_token.value = httpDecode64_2(input_token.value, &len, |
c7017ecc | 762 | authorization); |
7e86f2f6 | 763 | input_token.length = (size_t)len; |
f7deaa1a | 764 | |
765 | /* | |
766 | * Accept the input token to get the authorization info... | |
767 | */ | |
768 | ||
769 | context = GSS_C_NO_CONTEXT; | |
770 | client_name = GSS_C_NO_NAME; | |
771 | major_status = gss_accept_sec_context(&minor_status, | |
772 | &context, | |
dcb445bc | 773 | ServerCreds, |
f7deaa1a | 774 | &input_token, |
775 | GSS_C_NO_CHANNEL_BINDINGS, | |
776 | &client_name, | |
777 | NULL, | |
07ed0e9a MS |
778 | &output_token, |
779 | NULL, | |
f7deaa1a | 780 | NULL, |
07ed0e9a MS |
781 | NULL); |
782 | ||
783 | if (output_token.length > 0) | |
784 | gss_release_buffer(&minor_status, &output_token); | |
f7deaa1a | 785 | |
786 | if (GSS_ERROR(major_status)) | |
787 | { | |
ffe32673 | 788 | cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status, "[Client %d] Error accepting GSSAPI security context.", con->number); |
f7deaa1a | 789 | |
790 | if (context != GSS_C_NO_CONTEXT) | |
791 | gss_delete_sec_context(&minor_status, &context, GSS_C_NO_BUFFER); | |
f7deaa1a | 792 | return; |
793 | } | |
794 | ||
97c9a8d7 MS |
795 | con->have_gss = 1; |
796 | ||
76cd9e37 MS |
797 | /* |
798 | * Get the username associated with the client's credentials... | |
f7deaa1a | 799 | */ |
800 | ||
355e94dc | 801 | if (major_status == GSS_S_CONTINUE_NEEDED) |
ffe32673 | 802 | cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status, "[Client %d] Credentials not complete.", con->number); |
355e94dc | 803 | else if (major_status == GSS_S_COMPLETE) |
f7deaa1a | 804 | { |
c8fef167 | 805 | major_status = gss_display_name(&minor_status, client_name, |
f7deaa1a | 806 | &output_token, NULL); |
807 | ||
808 | if (GSS_ERROR(major_status)) | |
809 | { | |
ffe32673 | 810 | cupsdLogGSSMessage(CUPSD_LOG_DEBUG, major_status, minor_status, "[Client %d] Error getting username.", con->number); |
f7deaa1a | 811 | gss_release_name(&minor_status, &client_name); |
812 | gss_delete_sec_context(&minor_status, &context, GSS_C_NO_BUFFER); | |
f7deaa1a | 813 | return; |
814 | } | |
815 | ||
f7deaa1a | 816 | strlcpy(username, output_token.value, sizeof(username)); |
355e94dc | 817 | |
ffe32673 | 818 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Authorized as \"%s\" using Negotiate.", username); |
f7deaa1a | 819 | |
e07d4801 | 820 | gss_release_name(&minor_status, &client_name); |
f7deaa1a | 821 | gss_release_buffer(&minor_status, &output_token); |
2fb76298 | 822 | |
5bd77a73 | 823 | con->type = CUPSD_AUTH_NEGOTIATE; |
f7deaa1a | 824 | } |
e07d4801 MS |
825 | |
826 | gss_delete_sec_context(&minor_status, &context, GSS_C_NO_BUFFER); | |
07ed0e9a MS |
827 | |
828 | # if defined(SO_PEERCRED) && defined(AF_LOCAL) | |
829 | /* | |
830 | * Get the client's UID if we are printing locally - that allows a backend | |
831 | * to run as the correct user to get Kerberos credentials of its own. | |
832 | */ | |
833 | ||
5ec1fd3d | 834 | if (httpAddrFamily(con->http->hostaddr) == AF_LOCAL) |
07ed0e9a MS |
835 | { |
836 | cupsd_ucred_t peercred; /* Peer credentials */ | |
837 | socklen_t peersize; /* Size of peer credentials */ | |
838 | ||
839 | peersize = sizeof(peercred); | |
840 | ||
841 | # ifdef __APPLE__ | |
996acce8 | 842 | if (getsockopt(httpGetFd(con->http), 0, LOCAL_PEERCRED, &peercred, &peersize)) |
07ed0e9a | 843 | # else |
996acce8 | 844 | if (getsockopt(httpGetFd(con->http), SOL_SOCKET, SO_PEERCRED, &peercred, |
07ed0e9a MS |
845 | &peersize)) |
846 | # endif /* __APPLE__ */ | |
847 | { | |
ffe32673 | 848 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get peer credentials - %s", strerror(errno)); |
07ed0e9a MS |
849 | } |
850 | else | |
851 | { | |
ffe32673 | 852 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Using credentials for UID %d.", CUPSD_UCRED_UID(peercred)); |
07ed0e9a MS |
853 | con->gss_uid = CUPSD_UCRED_UID(peercred); |
854 | } | |
855 | } | |
856 | # endif /* SO_PEERCRED && AF_LOCAL */ | |
f7deaa1a | 857 | } |
858 | #endif /* HAVE_GSSAPI */ | |
2fb76298 | 859 | else |
ef416fc2 | 860 | { |
355e94dc | 861 | char scheme[256]; /* Auth scheme... */ |
355e94dc MS |
862 | |
863 | ||
864 | if (sscanf(authorization, "%255s", scheme) != 1) | |
5a9febac | 865 | strlcpy(scheme, "UNKNOWN", sizeof(scheme)); |
355e94dc | 866 | |
ffe32673 | 867 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad authentication data \"%s ...\".", scheme); |
ef416fc2 | 868 | return; |
869 | } | |
870 | ||
871 | /* | |
872 | * If we get here, then we were able to validate the username and | |
873 | * password - copy the validated username and password to the client | |
874 | * data and return... | |
875 | */ | |
876 | ||
877 | strlcpy(con->username, username, sizeof(con->username)); | |
878 | strlcpy(con->password, password, sizeof(con->password)); | |
ef416fc2 | 879 | } |
880 | ||
881 | ||
080811b1 MS |
882 | /* |
883 | * 'cupsdCheckAccess()' - Check whether the given address is allowed to | |
884 | * access a location. | |
885 | */ | |
886 | ||
887 | int /* O - 1 if allowed, 0 otherwise */ | |
888 | cupsdCheckAccess( | |
889 | unsigned ip[4], /* I - Client address */ | |
5ec1fd3d | 890 | const char *name, /* I - Client hostname */ |
7e86f2f6 | 891 | size_t namelen, /* I - Length of hostname */ |
080811b1 MS |
892 | cupsd_location_t *loc) /* I - Location to check */ |
893 | { | |
894 | int allow; /* 1 if allowed, 0 otherwise */ | |
895 | ||
896 | ||
88f9aafc | 897 | if (!_cups_strcasecmp(name, "localhost")) |
080811b1 MS |
898 | { |
899 | /* | |
900 | * Access from localhost (127.0.0.1 or ::1) is always allowed... | |
901 | */ | |
902 | ||
903 | return (1); | |
904 | } | |
905 | else | |
906 | { | |
907 | /* | |
908 | * Do authorization checks on the domain/address... | |
909 | */ | |
910 | ||
911 | switch (loc->order_type) | |
912 | { | |
913 | default : | |
914 | allow = 0; /* anti-compiler-warning-code */ | |
915 | break; | |
916 | ||
5bd77a73 | 917 | case CUPSD_AUTH_ALLOW : /* Order Deny,Allow */ |
080811b1 MS |
918 | allow = 1; |
919 | ||
10d09e33 | 920 | if (cupsdCheckAuth(ip, name, namelen, loc->deny)) |
080811b1 MS |
921 | allow = 0; |
922 | ||
10d09e33 | 923 | if (cupsdCheckAuth(ip, name, namelen, loc->allow)) |
080811b1 MS |
924 | allow = 1; |
925 | break; | |
926 | ||
5bd77a73 | 927 | case CUPSD_AUTH_DENY : /* Order Allow,Deny */ |
080811b1 MS |
928 | allow = 0; |
929 | ||
10d09e33 | 930 | if (cupsdCheckAuth(ip, name, namelen, loc->allow)) |
080811b1 MS |
931 | allow = 1; |
932 | ||
10d09e33 | 933 | if (cupsdCheckAuth(ip, name, namelen, loc->deny)) |
080811b1 MS |
934 | allow = 0; |
935 | break; | |
936 | } | |
937 | } | |
938 | ||
939 | return (allow); | |
940 | } | |
941 | ||
942 | ||
ef416fc2 | 943 | /* |
944 | * 'cupsdCheckAuth()' - Check authorization masks. | |
945 | */ | |
946 | ||
947 | int /* O - 1 if mask matches, 0 otherwise */ | |
10d09e33 | 948 | cupsdCheckAuth(unsigned ip[4], /* I - Client address */ |
5ec1fd3d | 949 | const char *name, /* I - Client hostname */ |
7e86f2f6 | 950 | size_t name_len, /* I - Length of hostname */ |
10d09e33 | 951 | cups_array_t *masks) /* I - Masks */ |
ef416fc2 | 952 | { |
10d09e33 MS |
953 | int i; /* Looping var */ |
954 | cupsd_authmask_t *mask; /* Current mask */ | |
955 | cupsd_netif_t *iface; /* Network interface */ | |
956 | unsigned netip4; /* IPv4 network address */ | |
ef416fc2 | 957 | #ifdef AF_INET6 |
10d09e33 | 958 | unsigned netip6[4]; /* IPv6 network address */ |
ef416fc2 | 959 | #endif /* AF_INET6 */ |
960 | ||
e07d4801 | 961 | |
10d09e33 MS |
962 | for (mask = (cupsd_authmask_t *)cupsArrayFirst(masks); |
963 | mask; | |
964 | mask = (cupsd_authmask_t *)cupsArrayNext(masks)) | |
ef416fc2 | 965 | { |
10d09e33 | 966 | switch (mask->type) |
ef416fc2 | 967 | { |
5bd77a73 | 968 | case CUPSD_AUTH_INTERFACE : |
ef416fc2 | 969 | /* |
970 | * Check for a match with a network interface... | |
971 | */ | |
972 | ||
973 | netip4 = htonl(ip[3]); | |
974 | ||
975 | #ifdef AF_INET6 | |
976 | netip6[0] = htonl(ip[0]); | |
977 | netip6[1] = htonl(ip[1]); | |
978 | netip6[2] = htonl(ip[2]); | |
979 | netip6[3] = htonl(ip[3]); | |
980 | #endif /* AF_INET6 */ | |
981 | ||
84ec3a84 MS |
982 | cupsdNetIFUpdate(); |
983 | ||
10d09e33 | 984 | if (!strcmp(mask->mask.name.name, "*")) |
ef416fc2 | 985 | { |
e07d4801 MS |
986 | #ifdef __APPLE__ |
987 | /* | |
988 | * Allow Back-to-My-Mac addresses... | |
989 | */ | |
990 | ||
991 | if ((ip[0] & 0xff000000) == 0xfd000000) | |
992 | return (1); | |
993 | #endif /* __APPLE__ */ | |
994 | ||
ef416fc2 | 995 | /* |
996 | * Check against all local interfaces... | |
997 | */ | |
998 | ||
e00b005a | 999 | for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList); |
1000 | iface; | |
1001 | iface = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
ef416fc2 | 1002 | { |
1003 | /* | |
1004 | * Only check local interfaces... | |
1005 | */ | |
1006 | ||
1007 | if (!iface->is_local) | |
1008 | continue; | |
1009 | ||
1010 | if (iface->address.addr.sa_family == AF_INET) | |
1011 | { | |
1012 | /* | |
1013 | * Check IPv4 address... | |
1014 | */ | |
1015 | ||
1016 | if ((netip4 & iface->mask.ipv4.sin_addr.s_addr) == | |
1017 | (iface->address.ipv4.sin_addr.s_addr & | |
1018 | iface->mask.ipv4.sin_addr.s_addr)) | |
1019 | return (1); | |
1020 | } | |
1021 | #ifdef AF_INET6 | |
1022 | else | |
1023 | { | |
1024 | /* | |
1025 | * Check IPv6 address... | |
1026 | */ | |
1027 | ||
1028 | for (i = 0; i < 4; i ++) | |
1029 | if ((netip6[i] & iface->mask.ipv6.sin6_addr.s6_addr32[i]) != | |
1030 | (iface->address.ipv6.sin6_addr.s6_addr32[i] & | |
1031 | iface->mask.ipv6.sin6_addr.s6_addr32[i])) | |
1032 | break; | |
1033 | ||
1034 | if (i == 4) | |
1035 | return (1); | |
1036 | } | |
1037 | #endif /* AF_INET6 */ | |
1038 | } | |
1039 | } | |
1040 | else | |
1041 | { | |
1042 | /* | |
1043 | * Check the named interface... | |
1044 | */ | |
1045 | ||
e00b005a | 1046 | for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList); |
ed486911 | 1047 | iface; |
e00b005a | 1048 | iface = (cupsd_netif_t *)cupsArrayNext(NetIFList)) |
ef416fc2 | 1049 | { |
10d09e33 | 1050 | if (strcmp(mask->mask.name.name, iface->name)) |
ed486911 | 1051 | continue; |
1052 | ||
ef416fc2 | 1053 | if (iface->address.addr.sa_family == AF_INET) |
1054 | { | |
1055 | /* | |
1056 | * Check IPv4 address... | |
1057 | */ | |
1058 | ||
1059 | if ((netip4 & iface->mask.ipv4.sin_addr.s_addr) == | |
1060 | (iface->address.ipv4.sin_addr.s_addr & | |
1061 | iface->mask.ipv4.sin_addr.s_addr)) | |
1062 | return (1); | |
1063 | } | |
1064 | #ifdef AF_INET6 | |
1065 | else | |
1066 | { | |
1067 | /* | |
1068 | * Check IPv6 address... | |
1069 | */ | |
1070 | ||
1071 | for (i = 0; i < 4; i ++) | |
1072 | if ((netip6[i] & iface->mask.ipv6.sin6_addr.s6_addr32[i]) != | |
1073 | (iface->address.ipv6.sin6_addr.s6_addr32[i] & | |
1074 | iface->mask.ipv6.sin6_addr.s6_addr32[i])) | |
1075 | break; | |
1076 | ||
1077 | if (i == 4) | |
1078 | return (1); | |
1079 | } | |
1080 | #endif /* AF_INET6 */ | |
1081 | } | |
1082 | } | |
1083 | break; | |
1084 | ||
5bd77a73 | 1085 | case CUPSD_AUTH_NAME : |
ef416fc2 | 1086 | /* |
1087 | * Check for exact name match... | |
1088 | */ | |
1089 | ||
88f9aafc | 1090 | if (!_cups_strcasecmp(name, mask->mask.name.name)) |
ef416fc2 | 1091 | return (1); |
1092 | ||
1093 | /* | |
1094 | * Check for domain match... | |
1095 | */ | |
1096 | ||
10d09e33 MS |
1097 | if (name_len >= mask->mask.name.length && |
1098 | mask->mask.name.name[0] == '.' && | |
88f9aafc | 1099 | !_cups_strcasecmp(name + name_len - mask->mask.name.length, |
10d09e33 | 1100 | mask->mask.name.name)) |
ef416fc2 | 1101 | return (1); |
1102 | break; | |
1103 | ||
5bd77a73 | 1104 | case CUPSD_AUTH_IP : |
ef416fc2 | 1105 | /* |
1106 | * Check for IP/network address match... | |
1107 | */ | |
1108 | ||
1109 | for (i = 0; i < 4; i ++) | |
10d09e33 MS |
1110 | if ((ip[i] & mask->mask.ip.netmask[i]) != |
1111 | mask->mask.ip.address[i]) | |
ef416fc2 | 1112 | break; |
1113 | ||
1114 | if (i == 4) | |
1115 | return (1); | |
1116 | break; | |
1117 | } | |
ef416fc2 | 1118 | } |
1119 | ||
1120 | return (0); | |
1121 | } | |
1122 | ||
1123 | ||
1124 | /* | |
1125 | * 'cupsdCheckGroup()' - Check for a user's group membership. | |
1126 | */ | |
1127 | ||
1128 | int /* O - 1 if user is a member, 0 otherwise */ | |
1129 | cupsdCheckGroup( | |
1130 | const char *username, /* I - User name */ | |
1131 | struct passwd *user, /* I - System user info */ | |
1132 | const char *groupname) /* I - Group name */ | |
1133 | { | |
8922323b | 1134 | int i; /* Looping var */ |
36374693 MS |
1135 | struct group *group; /* Group info */ |
1136 | gid_t groupid; /* ID of named group */ | |
bd7854cb | 1137 | #ifdef HAVE_MBR_UID_TO_UUID |
8922323b MS |
1138 | uuid_t useruuid, /* UUID for username */ |
1139 | groupuuid; /* UUID for groupname */ | |
1140 | int is_member; /* True if user is a member of group */ | |
bd7854cb | 1141 | #endif /* HAVE_MBR_UID_TO_UUID */ |
ef416fc2 | 1142 | |
1143 | ||
ffe32673 | 1144 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCheckGroup(username=\"%s\", user=%p, groupname=\"%s\")", username, user, groupname); |
ef416fc2 | 1145 | |
1146 | /* | |
1147 | * Validate input... | |
1148 | */ | |
1149 | ||
1150 | if (!username || !groupname) | |
1151 | return (0); | |
1152 | ||
1153 | /* | |
1154 | * Check to see if the user is a member of the named group... | |
1155 | */ | |
1156 | ||
1157 | group = getgrnam(groupname); | |
1158 | endgrent(); | |
1159 | ||
1160 | if (group != NULL) | |
1161 | { | |
1162 | /* | |
1163 | * Group exists, check it... | |
1164 | */ | |
1165 | ||
36374693 MS |
1166 | groupid = group->gr_gid; |
1167 | ||
3c27d2a6 MS |
1168 | for (i = 0; group->gr_mem[i]; i ++) |
1169 | { | |
1170 | /* | |
1171 | * User appears in the group membership... | |
1172 | */ | |
1173 | ||
1174 | if (!_cups_strcasecmp(username, group->gr_mem[i])) | |
1175 | return (1); | |
1176 | } | |
1177 | ||
6eb98aee | 1178 | #ifdef HAVE_GETGROUPLIST |
3c27d2a6 MS |
1179 | /* |
1180 | * If the user isn't in the group membership list, try the results from | |
1181 | * getgrouplist() which is supposed to return the full list of groups a user | |
1182 | * belongs to... | |
1183 | */ | |
1184 | ||
6eb98aee MS |
1185 | if (user) |
1186 | { | |
f093225b | 1187 | int ngroups; /* Number of groups */ |
fdc3c81a MS |
1188 | # ifdef __APPLE__ |
1189 | int groups[2048]; /* Groups that user belongs to */ | |
1190 | # else | |
f093225b | 1191 | gid_t groups[2048]; /* Groups that user belongs to */ |
fdc3c81a | 1192 | # endif /* __APPLE__ */ |
6eb98aee MS |
1193 | |
1194 | ngroups = (int)(sizeof(groups) / sizeof(groups[0])); | |
fdc3c81a MS |
1195 | # ifdef __APPLE__ |
1196 | getgrouplist(username, (int)user->pw_gid, groups, &ngroups); | |
1197 | # else | |
f093225b | 1198 | getgrouplist(username, user->pw_gid, groups, &ngroups); |
fdc3c81a | 1199 | #endif /* __APPLE__ */ |
6eb98aee MS |
1200 | |
1201 | for (i = 0; i < ngroups; i ++) | |
36374693 | 1202 | if ((int)groupid == (int)groups[i]) |
6eb98aee MS |
1203 | return (1); |
1204 | } | |
36374693 | 1205 | #endif /* HAVE_GETGROUPLIST */ |
ef416fc2 | 1206 | } |
36374693 MS |
1207 | else |
1208 | groupid = (gid_t)-1; | |
ef416fc2 | 1209 | |
1210 | /* | |
1211 | * Group doesn't exist or user not in group list, check the group ID | |
1212 | * against the user's group ID... | |
1213 | */ | |
1214 | ||
36374693 | 1215 | if (user && groupid == user->pw_gid) |
ef416fc2 | 1216 | return (1); |
1217 | ||
bd7854cb | 1218 | #ifdef HAVE_MBR_UID_TO_UUID |
1219 | /* | |
d4874933 | 1220 | * Check group membership through macOS membership API... |
bd7854cb | 1221 | */ |
1222 | ||
dd1abb6b | 1223 | if (user && !mbr_uid_to_uuid(user->pw_uid, useruuid)) |
c9fc04c6 | 1224 | { |
36374693 | 1225 | if (groupid != (gid_t)-1) |
8922323b MS |
1226 | { |
1227 | /* | |
1228 | * Map group name to UUID and check membership... | |
1229 | */ | |
c9fc04c6 | 1230 | |
36374693 | 1231 | if (!mbr_gid_to_uuid(groupid, groupuuid)) |
8922323b MS |
1232 | if (!mbr_check_membership(useruuid, groupuuid, &is_member)) |
1233 | if (is_member) | |
1234 | return (1); | |
1235 | } | |
1236 | else if (groupname[0] == '#') | |
1237 | { | |
1238 | /* | |
1239 | * Use UUID directly and check for equality (user UUID) and | |
1240 | * membership (group UUID)... | |
1241 | */ | |
1242 | ||
1243 | if (!uuid_parse((char *)groupname + 1, groupuuid)) | |
1244 | { | |
1245 | if (!uuid_compare(useruuid, groupuuid)) | |
c9fc04c6 | 1246 | return (1); |
8922323b MS |
1247 | else if (!mbr_check_membership(useruuid, groupuuid, &is_member)) |
1248 | if (is_member) | |
1249 | return (1); | |
1250 | } | |
1251 | ||
1252 | return (0); | |
1253 | } | |
1254 | } | |
1255 | else if (groupname[0] == '#') | |
1256 | return (0); | |
bd7854cb | 1257 | #endif /* HAVE_MBR_UID_TO_UUID */ |
1258 | ||
ef416fc2 | 1259 | /* |
1260 | * If we get this far, then the user isn't part of the named group... | |
1261 | */ | |
1262 | ||
1263 | return (0); | |
1264 | } | |
1265 | ||
1266 | ||
1267 | /* | |
1268 | * 'cupsdCopyLocation()' - Make a copy of a location... | |
1269 | */ | |
1270 | ||
1271 | cupsd_location_t * /* O - New location */ | |
1272 | cupsdCopyLocation( | |
10d09e33 | 1273 | cupsd_location_t *loc) /* I - Original location */ |
ef416fc2 | 1274 | { |
ef416fc2 | 1275 | cupsd_location_t *temp; /* New location */ |
ef416fc2 | 1276 | |
1277 | ||
ef416fc2 | 1278 | /* |
10d09e33 | 1279 | * Make a copy of the original location... |
ef416fc2 | 1280 | */ |
1281 | ||
10d09e33 | 1282 | if ((temp = calloc(1, sizeof(cupsd_location_t))) == NULL) |
ef416fc2 | 1283 | return (NULL); |
1284 | ||
ef416fc2 | 1285 | /* |
1286 | * Copy the information from the original location to the new one. | |
1287 | */ | |
1288 | ||
10d09e33 MS |
1289 | if (!loc) |
1290 | return (temp); | |
ef416fc2 | 1291 | |
10d09e33 MS |
1292 | if (loc->location) |
1293 | temp->location = _cupsStrAlloc(loc->location); | |
ef416fc2 | 1294 | |
d2ff4622 | 1295 | temp->length = loc->length; |
10d09e33 MS |
1296 | temp->limit = loc->limit; |
1297 | temp->order_type = loc->order_type; | |
1298 | temp->type = loc->type; | |
1299 | temp->level = loc->level; | |
1300 | temp->satisfy = loc->satisfy; | |
1301 | temp->encryption = loc->encryption; | |
1302 | ||
1303 | if (loc->names) | |
1304 | { | |
1305 | if ((temp->names = cupsArrayDup(loc->names)) == NULL) | |
ef416fc2 | 1306 | { |
1307 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
10d09e33 MS |
1308 | "Unable to allocate memory for %d names: %s", |
1309 | cupsArrayCount(loc->names), strerror(errno)); | |
bd7854cb | 1310 | |
10d09e33 | 1311 | cupsdFreeLocation(temp); |
ef416fc2 | 1312 | return (NULL); |
1313 | } | |
ef416fc2 | 1314 | } |
1315 | ||
10d09e33 | 1316 | if (loc->allow) |
ef416fc2 | 1317 | { |
1318 | /* | |
1319 | * Copy allow rules... | |
1320 | */ | |
1321 | ||
10d09e33 | 1322 | if ((temp->allow = cupsArrayDup(loc->allow)) == NULL) |
ef416fc2 | 1323 | { |
1324 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
10d09e33 MS |
1325 | "Unable to allocate memory for %d allow rules: %s", |
1326 | cupsArrayCount(loc->allow), strerror(errno)); | |
1327 | cupsdFreeLocation(temp); | |
ef416fc2 | 1328 | return (NULL); |
1329 | } | |
ef416fc2 | 1330 | } |
1331 | ||
10d09e33 | 1332 | if (loc->deny) |
ef416fc2 | 1333 | { |
1334 | /* | |
1335 | * Copy deny rules... | |
1336 | */ | |
1337 | ||
10d09e33 | 1338 | if ((temp->deny = cupsArrayDup(loc->deny)) == NULL) |
ef416fc2 | 1339 | { |
1340 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
10d09e33 MS |
1341 | "Unable to allocate memory for %d deny rules: %s", |
1342 | cupsArrayCount(loc->deny), strerror(errno)); | |
1343 | cupsdFreeLocation(temp); | |
ef416fc2 | 1344 | return (NULL); |
1345 | } | |
ef416fc2 | 1346 | } |
1347 | ||
1348 | return (temp); | |
1349 | } | |
1350 | ||
1351 | ||
1352 | /* | |
1353 | * 'cupsdDeleteAllLocations()' - Free all memory used for location authorization. | |
1354 | */ | |
1355 | ||
1356 | void | |
1357 | cupsdDeleteAllLocations(void) | |
1358 | { | |
ef416fc2 | 1359 | /* |
10d09e33 | 1360 | * Free the location array, which will free all of the locations... |
ef416fc2 | 1361 | */ |
1362 | ||
bd7854cb | 1363 | cupsArrayDelete(Locations); |
1364 | Locations = NULL; | |
ef416fc2 | 1365 | } |
1366 | ||
1367 | ||
ef416fc2 | 1368 | /* |
1369 | * 'cupsdFindBest()' - Find the location entry that best matches the resource. | |
1370 | */ | |
1371 | ||
1372 | cupsd_location_t * /* O - Location that matches */ | |
1373 | cupsdFindBest(const char *path, /* I - Resource path */ | |
1374 | http_state_t state) /* I - HTTP state/request */ | |
1375 | { | |
ef416fc2 | 1376 | char uri[HTTP_MAX_URI], |
1377 | /* URI in request... */ | |
1378 | *uriptr; /* Pointer into URI */ | |
1379 | cupsd_location_t *loc, /* Current location */ | |
1380 | *best; /* Best match for location so far */ | |
7e86f2f6 | 1381 | size_t bestlen; /* Length of best match */ |
ef416fc2 | 1382 | int limit; /* Limit field */ |
5bd77a73 | 1383 | static const int limits[] = /* Map http_status_t to CUPSD_AUTH_LIMIT_xyz */ |
ef416fc2 | 1384 | { |
5bd77a73 MS |
1385 | CUPSD_AUTH_LIMIT_ALL, |
1386 | CUPSD_AUTH_LIMIT_OPTIONS, | |
1387 | CUPSD_AUTH_LIMIT_GET, | |
1388 | CUPSD_AUTH_LIMIT_GET, | |
1389 | CUPSD_AUTH_LIMIT_HEAD, | |
1390 | CUPSD_AUTH_LIMIT_POST, | |
1391 | CUPSD_AUTH_LIMIT_POST, | |
1392 | CUPSD_AUTH_LIMIT_POST, | |
1393 | CUPSD_AUTH_LIMIT_PUT, | |
1394 | CUPSD_AUTH_LIMIT_PUT, | |
1395 | CUPSD_AUTH_LIMIT_DELETE, | |
1396 | CUPSD_AUTH_LIMIT_TRACE, | |
1397 | CUPSD_AUTH_LIMIT_ALL, | |
d2ff4622 MS |
1398 | CUPSD_AUTH_LIMIT_ALL, |
1399 | CUPSD_AUTH_LIMIT_ALL, | |
5bd77a73 | 1400 | CUPSD_AUTH_LIMIT_ALL |
ef416fc2 | 1401 | }; |
1402 | ||
1403 | ||
1404 | /* | |
1405 | * First copy the connection URI to a local string so we have drop | |
1406 | * any .ppd extension from the pathname in /printers or /classes | |
1407 | * URIs... | |
1408 | */ | |
1409 | ||
1410 | strlcpy(uri, path, sizeof(uri)); | |
1411 | ||
c26ceab0 MS |
1412 | if ((uriptr = strchr(uri, '?')) != NULL) |
1413 | *uriptr = '\0'; /* Drop trailing query string */ | |
1414 | ||
1415 | if ((uriptr = uri + strlen(uri) - 1) > uri && *uriptr == '/') | |
1416 | *uriptr = '\0'; /* Remove trailing '/' */ | |
1417 | ||
ef416fc2 | 1418 | if (!strncmp(uri, "/printers/", 10) || |
1419 | !strncmp(uri, "/classes/", 9)) | |
1420 | { | |
1421 | /* | |
1422 | * Check if the URI has .ppd on the end... | |
1423 | */ | |
1424 | ||
1425 | uriptr = uri + strlen(uri) - 4; /* len > 4 if we get here... */ | |
1426 | ||
1427 | if (!strcmp(uriptr, ".ppd")) | |
1428 | *uriptr = '\0'; | |
1429 | } | |
1430 | ||
ef416fc2 | 1431 | /* |
1432 | * Loop through the list of locations to find a match... | |
1433 | */ | |
1434 | ||
1435 | limit = limits[state]; | |
1436 | best = NULL; | |
1437 | bestlen = 0; | |
1438 | ||
ffe32673 | 1439 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdFindBest: uri=\"%s\", limit=%x...", uri, limit); |
d2ff4622 MS |
1440 | |
1441 | ||
bd7854cb | 1442 | for (loc = (cupsd_location_t *)cupsArrayFirst(Locations); |
1443 | loc; | |
1444 | loc = (cupsd_location_t *)cupsArrayNext(Locations)) | |
ef416fc2 | 1445 | { |
d2ff4622 | 1446 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdFindBest: Location %s(%d) Limit %x", loc->location ? loc->location : "(null)", (int)loc->length, loc->limit); |
ef416fc2 | 1447 | |
1448 | if (!strncmp(uri, "/printers/", 10) || !strncmp(uri, "/classes/", 9)) | |
1449 | { | |
1450 | /* | |
1451 | * Use case-insensitive comparison for queue names... | |
1452 | */ | |
1453 | ||
e1d6a774 | 1454 | if (loc->length > bestlen && loc->location && |
88f9aafc | 1455 | !_cups_strncasecmp(uri, loc->location, loc->length) && |
ef416fc2 | 1456 | loc->location[0] == '/' && |
1457 | (limit & loc->limit) != 0) | |
1458 | { | |
1459 | best = loc; | |
1460 | bestlen = loc->length; | |
1461 | } | |
1462 | } | |
1463 | else | |
1464 | { | |
1465 | /* | |
1466 | * Use case-sensitive comparison for other URIs... | |
1467 | */ | |
1468 | ||
e1d6a774 | 1469 | if (loc->length > bestlen && loc->location && |
ef416fc2 | 1470 | !strncmp(uri, loc->location, loc->length) && |
1471 | loc->location[0] == '/' && | |
1472 | (limit & loc->limit) != 0) | |
1473 | { | |
1474 | best = loc; | |
1475 | bestlen = loc->length; | |
1476 | } | |
1477 | } | |
1478 | } | |
1479 | ||
1480 | /* | |
1481 | * Return the match, if any... | |
1482 | */ | |
1483 | ||
ffe32673 | 1484 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdFindBest: best=%s", best ? best->location : "NONE"); |
ef416fc2 | 1485 | |
1486 | return (best); | |
1487 | } | |
1488 | ||
1489 | ||
1490 | /* | |
1491 | * 'cupsdFindLocation()' - Find the named location. | |
1492 | */ | |
1493 | ||
1494 | cupsd_location_t * /* O - Location that matches */ | |
1495 | cupsdFindLocation(const char *location) /* I - Connection */ | |
1496 | { | |
bd7854cb | 1497 | cupsd_location_t key; /* Search key */ |
ef416fc2 | 1498 | |
1499 | ||
bd7854cb | 1500 | key.location = (char *)location; |
ef416fc2 | 1501 | |
bd7854cb | 1502 | return ((cupsd_location_t *)cupsArrayFind(Locations, &key)); |
ef416fc2 | 1503 | } |
1504 | ||
1505 | ||
10d09e33 MS |
1506 | /* |
1507 | * 'cupsdFreeLocation()' - Free all memory used by a location. | |
1508 | */ | |
1509 | ||
1510 | void | |
1511 | cupsdFreeLocation(cupsd_location_t *loc)/* I - Location to free */ | |
1512 | { | |
1513 | cupsArrayDelete(loc->names); | |
1514 | cupsArrayDelete(loc->allow); | |
1515 | cupsArrayDelete(loc->deny); | |
1516 | ||
1517 | _cupsStrFree(loc->location); | |
1518 | free(loc); | |
1519 | } | |
1520 | ||
1521 | ||
ef416fc2 | 1522 | /* |
1523 | * 'cupsdIsAuthorized()' - Check to see if the user is authorized... | |
1524 | */ | |
1525 | ||
1526 | http_status_t /* O - HTTP_OK if authorized or error code */ | |
1527 | cupsdIsAuthorized(cupsd_client_t *con, /* I - Connection */ | |
1528 | const char *owner)/* I - Owner of object */ | |
1529 | { | |
10d09e33 | 1530 | int i, /* Looping vars */ |
2fb76298 MS |
1531 | auth, /* Authorization status */ |
1532 | type; /* Type of authentication */ | |
5ec1fd3d MS |
1533 | http_addr_t *hostaddr = httpGetAddress(con->http); |
1534 | /* Client address */ | |
1535 | const char *hostname = httpGetHostname(con->http, NULL, 0); | |
1536 | /* Client hostname */ | |
ef416fc2 | 1537 | unsigned address[4]; /* Authorization address */ |
1538 | cupsd_location_t *best; /* Best match for location so far */ | |
7e86f2f6 | 1539 | size_t hostlen; /* Length of hostname */ |
10d09e33 MS |
1540 | char *name, /* Current username */ |
1541 | username[256], /* Username to authorize */ | |
db1f069b MS |
1542 | ownername[256], /* Owner name to authorize */ |
1543 | *ptr; /* Pointer into username */ | |
ef416fc2 | 1544 | struct passwd *pw; /* User password data */ |
1545 | static const char * const levels[] = /* Auth levels */ | |
1546 | { | |
1547 | "ANON", | |
1548 | "USER", | |
1549 | "GROUP" | |
1550 | }; | |
1551 | static const char * const types[] = /* Auth types */ | |
1552 | { | |
2fb76298 MS |
1553 | "None", |
1554 | "Basic", | |
2fb76298 | 1555 | "Negotiate" |
ef416fc2 | 1556 | }; |
1557 | ||
1558 | ||
ffe32673 | 1559 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: con->uri=\"%s\", con->best=%p(%s)", con->uri, con->best, con->best ? con->best->location ? con->best->location : "(null)" : ""); |
fa73b229 | 1560 | if (owner) |
ffe32673 | 1561 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: owner=\"%s\"", owner); |
ef416fc2 | 1562 | |
1563 | /* | |
1564 | * If there is no "best" authentication rule for this request, then | |
1565 | * access is allowed from the local system and denied from other | |
1566 | * addresses... | |
1567 | */ | |
1568 | ||
1569 | if (!con->best) | |
1570 | { | |
5ec1fd3d MS |
1571 | if (httpAddrLocalhost(httpGetAddress(con->http)) || |
1572 | !strcmp(hostname, ServerName) || | |
1573 | cupsArrayFind(ServerAlias, (void *)hostname)) | |
ef416fc2 | 1574 | return (HTTP_OK); |
1575 | else | |
1576 | return (HTTP_FORBIDDEN); | |
1577 | } | |
1578 | ||
1579 | best = con->best; | |
1580 | ||
5bd77a73 | 1581 | if ((type = best->type) == CUPSD_AUTH_DEFAULT) |
dcb445bc | 1582 | type = cupsdDefaultAuthType(); |
2fb76298 | 1583 | |
ffe32673 | 1584 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: level=CUPSD_AUTH_%s, type=%s, satisfy=CUPSD_AUTH_SATISFY_%s, num_names=%d", levels[best->level], types[type], best->satisfy ? "ANY" : "ALL", cupsArrayCount(best->names)); |
ef416fc2 | 1585 | |
5bd77a73 | 1586 | if (best->limit == CUPSD_AUTH_LIMIT_IPP) |
ffe32673 | 1587 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: op=%x(%s)", best->op, ippOpString(best->op)); |
ef416fc2 | 1588 | |
1589 | /* | |
1590 | * Check host/ip-based accesses... | |
1591 | */ | |
1592 | ||
1593 | #ifdef AF_INET6 | |
5ec1fd3d | 1594 | if (httpAddrFamily(hostaddr) == AF_INET6) |
ef416fc2 | 1595 | { |
1596 | /* | |
1597 | * Copy IPv6 address... | |
1598 | */ | |
1599 | ||
5ec1fd3d MS |
1600 | address[0] = ntohl(hostaddr->ipv6.sin6_addr.s6_addr32[0]); |
1601 | address[1] = ntohl(hostaddr->ipv6.sin6_addr.s6_addr32[1]); | |
1602 | address[2] = ntohl(hostaddr->ipv6.sin6_addr.s6_addr32[2]); | |
1603 | address[3] = ntohl(hostaddr->ipv6.sin6_addr.s6_addr32[3]); | |
ef416fc2 | 1604 | } |
1605 | else | |
1606 | #endif /* AF_INET6 */ | |
996acce8 | 1607 | if (con->http->hostaddr->addr.sa_family == AF_INET) |
ef416fc2 | 1608 | { |
1609 | /* | |
1610 | * Copy IPv4 address... | |
1611 | */ | |
1612 | ||
1613 | address[0] = 0; | |
1614 | address[1] = 0; | |
1615 | address[2] = 0; | |
5ec1fd3d | 1616 | address[3] = ntohl(hostaddr->ipv4.sin_addr.s_addr); |
ef416fc2 | 1617 | } |
1618 | else | |
1619 | memset(address, 0, sizeof(address)); | |
1620 | ||
5ec1fd3d | 1621 | hostlen = strlen(hostname); |
ef416fc2 | 1622 | |
5ec1fd3d | 1623 | auth = cupsdCheckAccess(address, hostname, hostlen, best) |
5bd77a73 | 1624 | ? CUPSD_AUTH_ALLOW : CUPSD_AUTH_DENY; |
ef416fc2 | 1625 | |
ffe32673 | 1626 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: auth=CUPSD_AUTH_%s...", auth ? "DENY" : "ALLOW"); |
ef416fc2 | 1627 | |
5bd77a73 | 1628 | if (auth == CUPSD_AUTH_DENY && best->satisfy == CUPSD_AUTH_SATISFY_ALL) |
ef416fc2 | 1629 | return (HTTP_FORBIDDEN); |
1630 | ||
1631 | #ifdef HAVE_SSL | |
1632 | /* | |
1633 | * See if encryption is required... | |
1634 | */ | |
1635 | ||
996acce8 | 1636 | if ((best->encryption >= HTTP_ENCRYPT_REQUIRED && !con->http->tls && |
5ec1fd3d MS |
1637 | _cups_strcasecmp(hostname, "localhost") && |
1638 | !httpAddrLocalhost(hostaddr) && | |
5bd77a73 | 1639 | best->satisfy == CUPSD_AUTH_SATISFY_ALL) && |
c8fef167 | 1640 | !(type == CUPSD_AUTH_NEGOTIATE || |
dcb445bc MS |
1641 | (type == CUPSD_AUTH_NONE && |
1642 | cupsdDefaultAuthType() == CUPSD_AUTH_NEGOTIATE))) | |
ef416fc2 | 1643 | { |
355e94dc | 1644 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
ef416fc2 | 1645 | "cupsdIsAuthorized: Need upgrade to TLS..."); |
1646 | return (HTTP_UPGRADE_REQUIRED); | |
1647 | } | |
1648 | #endif /* HAVE_SSL */ | |
1649 | ||
1650 | /* | |
1651 | * Now see what access level is required... | |
1652 | */ | |
1653 | ||
5bd77a73 | 1654 | if (best->level == CUPSD_AUTH_ANON || /* Anonymous access - allow it */ |
10d09e33 | 1655 | (type == CUPSD_AUTH_NONE && cupsArrayCount(best->names) == 0)) |
ef416fc2 | 1656 | return (HTTP_OK); |
1657 | ||
5bd77a73 MS |
1658 | if (!con->username[0] && type == CUPSD_AUTH_NONE && |
1659 | best->limit == CUPSD_AUTH_LIMIT_IPP) | |
ef416fc2 | 1660 | { |
1661 | /* | |
1662 | * Check for unauthenticated username... | |
1663 | */ | |
1664 | ||
1665 | ipp_attribute_t *attr; /* requesting-user-name attribute */ | |
1666 | ||
1667 | ||
1668 | attr = ippFindAttribute(con->request, "requesting-user-name", IPP_TAG_NAME); | |
1669 | if (attr) | |
1670 | { | |
355e94dc | 1671 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
ef416fc2 | 1672 | "cupsdIsAuthorized: requesting-user-name=\"%s\"", |
1673 | attr->values[0].string.text); | |
db1f069b | 1674 | strlcpy(username, attr->values[0].string.text, sizeof(username)); |
ef416fc2 | 1675 | } |
5bd77a73 | 1676 | else if (best->satisfy == CUPSD_AUTH_SATISFY_ALL || auth == CUPSD_AUTH_DENY) |
ef416fc2 | 1677 | return (HTTP_UNAUTHORIZED); /* Non-anonymous needs user/pass */ |
1678 | else | |
1679 | return (HTTP_OK); /* unless overridden with Satisfy */ | |
1680 | } | |
fa73b229 | 1681 | else |
1682 | { | |
355e94dc | 1683 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdIsAuthorized: username=\"%s\"", |
fa73b229 | 1684 | con->username); |
1685 | ||
f7deaa1a | 1686 | #ifdef HAVE_AUTHORIZATION_H |
1687 | if (!con->username[0] && !con->authref) | |
1688 | #else | |
fa73b229 | 1689 | if (!con->username[0]) |
f7deaa1a | 1690 | #endif /* HAVE_AUTHORIZATION_H */ |
fa73b229 | 1691 | { |
5bd77a73 | 1692 | if (best->satisfy == CUPSD_AUTH_SATISFY_ALL || auth == CUPSD_AUTH_DENY) |
fa73b229 | 1693 | return (HTTP_UNAUTHORIZED); /* Non-anonymous needs user/pass */ |
1694 | else | |
1695 | return (HTTP_OK); /* unless overridden with Satisfy */ | |
1696 | } | |
1697 | ||
eac3a0a0 | 1698 | |
5bd77a73 | 1699 | if (con->type != type && type != CUPSD_AUTH_NONE && |
eac3a0a0 MS |
1700 | #ifdef HAVE_GSSAPI |
1701 | (type != CUPSD_AUTH_NEGOTIATE || con->gss_uid <= 0) && | |
1702 | #endif /* HAVE_GSSAPI */ | |
e0660879 | 1703 | con->type != CUPSD_AUTH_BASIC) |
2fb76298 | 1704 | { |
e0660879 | 1705 | cupsdLogMessage(CUPSD_LOG_ERROR, "Authorized using %s, expected %s.", |
2fb76298 MS |
1706 | types[con->type], types[type]); |
1707 | ||
1708 | return (HTTP_UNAUTHORIZED); | |
1709 | } | |
1710 | ||
db1f069b | 1711 | strlcpy(username, con->username, sizeof(username)); |
fa73b229 | 1712 | } |
ef416fc2 | 1713 | |
1714 | /* | |
fa73b229 | 1715 | * OK, got a username. See if we need normal user access, or group |
ef416fc2 | 1716 | * access... (root always matches) |
1717 | */ | |
1718 | ||
fa73b229 | 1719 | if (!strcmp(username, "root")) |
ef416fc2 | 1720 | return (HTTP_OK); |
1721 | ||
db1f069b MS |
1722 | /* |
1723 | * Strip any @domain or @KDC from the username and owner... | |
1724 | */ | |
1725 | ||
1726 | if ((ptr = strchr(username, '@')) != NULL) | |
1727 | *ptr = '\0'; | |
1728 | ||
1729 | if (owner) | |
1730 | { | |
1731 | strlcpy(ownername, owner, sizeof(ownername)); | |
1732 | ||
1733 | if ((ptr = strchr(ownername, '@')) != NULL) | |
1734 | *ptr = '\0'; | |
1735 | } | |
1736 | else | |
1737 | ownername[0] = '\0'; | |
1738 | ||
ef416fc2 | 1739 | /* |
1740 | * Get the user info... | |
1741 | */ | |
1742 | ||
f7deaa1a | 1743 | if (username[0]) |
1744 | { | |
1745 | pw = getpwnam(username); | |
1746 | endpwent(); | |
1747 | } | |
1748 | else | |
1749 | pw = NULL; | |
ef416fc2 | 1750 | |
5bd77a73 | 1751 | if (best->level == CUPSD_AUTH_USER) |
ef416fc2 | 1752 | { |
1753 | /* | |
1754 | * If there are no names associated with this location, then | |
1755 | * any valid user is OK... | |
1756 | */ | |
1757 | ||
10d09e33 | 1758 | if (cupsArrayCount(best->names) == 0) |
ef416fc2 | 1759 | return (HTTP_OK); |
1760 | ||
1761 | /* | |
1762 | * Otherwise check the user list and return OK if this user is | |
1763 | * allowed... | |
1764 | */ | |
1765 | ||
ffe32673 | 1766 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: Checking user membership..."); |
ef416fc2 | 1767 | |
f7deaa1a | 1768 | #ifdef HAVE_AUTHORIZATION_H |
1769 | /* | |
1770 | * If an authorization reference was supplied it must match a right name... | |
1771 | */ | |
1772 | ||
1773 | if (con->authref) | |
1774 | { | |
10d09e33 MS |
1775 | for (name = (char *)cupsArrayFirst(best->names); |
1776 | name; | |
1777 | name = (char *)cupsArrayNext(best->names)) | |
f7deaa1a | 1778 | { |
88f9aafc | 1779 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9) && check_authref(con, name + 9)) |
f7deaa1a | 1780 | return (HTTP_OK); |
88f9aafc | 1781 | else if (!_cups_strcasecmp(name, "@SYSTEM") && SystemGroupAuthKey && |
f7deaa1a | 1782 | check_authref(con, SystemGroupAuthKey)) |
1783 | return (HTTP_OK); | |
1784 | } | |
1785 | ||
ee571f26 | 1786 | return (HTTP_FORBIDDEN); |
f7deaa1a | 1787 | } |
1788 | #endif /* HAVE_AUTHORIZATION_H */ | |
1789 | ||
10d09e33 MS |
1790 | for (name = (char *)cupsArrayFirst(best->names); |
1791 | name; | |
1792 | name = (char *)cupsArrayNext(best->names)) | |
ef416fc2 | 1793 | { |
88f9aafc MS |
1794 | if (!_cups_strcasecmp(name, "@OWNER") && owner && |
1795 | !_cups_strcasecmp(username, ownername)) | |
ef416fc2 | 1796 | return (HTTP_OK); |
88f9aafc | 1797 | else if (!_cups_strcasecmp(name, "@SYSTEM")) |
ef416fc2 | 1798 | { |
10d09e33 MS |
1799 | for (i = 0; i < NumSystemGroups; i ++) |
1800 | if (cupsdCheckGroup(username, pw, SystemGroups[i])) | |
ef416fc2 | 1801 | return (HTTP_OK); |
1802 | } | |
10d09e33 | 1803 | else if (name[0] == '@') |
ef416fc2 | 1804 | { |
10d09e33 | 1805 | if (cupsdCheckGroup(username, pw, name + 1)) |
ef416fc2 | 1806 | return (HTTP_OK); |
1807 | } | |
88f9aafc | 1808 | else if (!_cups_strcasecmp(username, name)) |
ef416fc2 | 1809 | return (HTTP_OK); |
1810 | } | |
1811 | ||
85dda01c | 1812 | return (con->username[0] ? HTTP_FORBIDDEN : HTTP_UNAUTHORIZED); |
ef416fc2 | 1813 | } |
1814 | ||
1815 | /* | |
1816 | * Check to see if this user is in any of the named groups... | |
1817 | */ | |
1818 | ||
ffe32673 | 1819 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: Checking group membership..."); |
ef416fc2 | 1820 | |
1821 | /* | |
1822 | * Check to see if this user is in any of the named groups... | |
1823 | */ | |
1824 | ||
10d09e33 MS |
1825 | for (name = (char *)cupsArrayFirst(best->names); |
1826 | name; | |
1827 | name = (char *)cupsArrayNext(best->names)) | |
ef416fc2 | 1828 | { |
ffe32673 | 1829 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsAuthorized: Checking group \"%s\" membership...", name); |
ef416fc2 | 1830 | |
88f9aafc | 1831 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
ef416fc2 | 1832 | { |
10d09e33 MS |
1833 | for (i = 0; i < NumSystemGroups; i ++) |
1834 | if (cupsdCheckGroup(username, pw, SystemGroups[i])) | |
ef416fc2 | 1835 | return (HTTP_OK); |
1836 | } | |
10d09e33 | 1837 | else if (cupsdCheckGroup(username, pw, name)) |
ef416fc2 | 1838 | return (HTTP_OK); |
1839 | } | |
1840 | ||
1841 | /* | |
1842 | * The user isn't part of the specified group, so deny access... | |
1843 | */ | |
1844 | ||
ffe32673 | 1845 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdIsAuthorized: User not in group(s)."); |
ef416fc2 | 1846 | |
85dda01c | 1847 | return (con->username[0] ? HTTP_FORBIDDEN : HTTP_UNAUTHORIZED); |
ef416fc2 | 1848 | } |
1849 | ||
1850 | ||
1851 | /* | |
10d09e33 MS |
1852 | * 'cupsdNewLocation()' - Create a new location for authorization. |
1853 | * | |
1854 | * Note: Still need to call cupsdAddLocation() to add it to the list of global | |
1855 | * locations. | |
ef416fc2 | 1856 | */ |
1857 | ||
10d09e33 MS |
1858 | cupsd_location_t * /* O - Pointer to new location record */ |
1859 | cupsdNewLocation(const char *location) /* I - Location path */ | |
ef416fc2 | 1860 | { |
10d09e33 | 1861 | cupsd_location_t *temp; /* New location */ |
ef416fc2 | 1862 | |
1863 | ||
1864 | /* | |
10d09e33 | 1865 | * Try to allocate memory for the new location. |
ef416fc2 | 1866 | */ |
1867 | ||
10d09e33 | 1868 | if ((temp = calloc(1, sizeof(cupsd_location_t))) == NULL) |
ef416fc2 | 1869 | return (NULL); |
1870 | ||
1871 | /* | |
10d09e33 | 1872 | * Initialize the record and copy the name over... |
ef416fc2 | 1873 | */ |
1874 | ||
10d09e33 MS |
1875 | if ((temp->location = _cupsStrAlloc(location)) == NULL) |
1876 | { | |
1877 | free(temp); | |
ef416fc2 | 1878 | return (NULL); |
10d09e33 | 1879 | } |
ef416fc2 | 1880 | |
10d09e33 | 1881 | temp->length = strlen(temp->location); |
ef416fc2 | 1882 | |
1883 | /* | |
10d09e33 | 1884 | * Return the new record... |
ef416fc2 | 1885 | */ |
1886 | ||
ef416fc2 | 1887 | return (temp); |
1888 | } | |
1889 | ||
1890 | ||
f7deaa1a | 1891 | #ifdef HAVE_AUTHORIZATION_H |
1892 | /* | |
1893 | * 'check_authref()' - Check if an authorization services reference has the | |
1894 | * supplied right. | |
1895 | */ | |
1896 | ||
1897 | static int /* O - 1 if right is valid, 0 otherwise */ | |
1898 | check_authref(cupsd_client_t *con, /* I - Connection */ | |
1899 | const char *right) /* I - Right name */ | |
1900 | { | |
1901 | OSStatus status; /* OS Status */ | |
1902 | AuthorizationItem authright; /* Authorization right */ | |
1903 | AuthorizationRights authrights; /* Authorization rights */ | |
1904 | AuthorizationFlags authflags; /* Authorization flags */ | |
1905 | ||
1906 | ||
1907 | /* | |
1908 | * Check to see if the user is allowed to perform the task... | |
1909 | */ | |
1910 | ||
1911 | if (!con->authref) | |
1912 | return (0); | |
1913 | ||
1914 | authright.name = right; | |
1915 | authright.valueLength = 0; | |
1916 | authright.value = NULL; | |
1917 | authright.flags = 0; | |
1918 | ||
1919 | authrights.count = 1; | |
1920 | authrights.items = &authright; | |
1921 | ||
c8fef167 | 1922 | authflags = kAuthorizationFlagDefaults | |
f7deaa1a | 1923 | kAuthorizationFlagExtendRights; |
1924 | ||
c8fef167 MS |
1925 | if ((status = AuthorizationCopyRights(con->authref, &authrights, |
1926 | kAuthorizationEmptyEnvironment, | |
f7deaa1a | 1927 | authflags, NULL)) != 0) |
1928 | { | |
fa26ab95 | 1929 | cupsdLogMessage(CUPSD_LOG_ERROR, "AuthorizationCopyRights(\"%s\") returned %d", authright.name, (int)status); |
f7deaa1a | 1930 | return (0); |
1931 | } | |
1932 | ||
ffe32673 | 1933 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "AuthorizationCopyRights(\"%s\") succeeded.", authright.name); |
f7deaa1a | 1934 | |
1935 | return (1); | |
1936 | } | |
1937 | #endif /* HAVE_AUTHORIZATION_H */ | |
1938 | ||
1939 | ||
bd7854cb | 1940 | /* |
1941 | * 'compare_locations()' - Compare two locations. | |
1942 | */ | |
1943 | ||
1944 | static int /* O - Result of comparison */ | |
1945 | compare_locations(cupsd_location_t *a, /* I - First location */ | |
1946 | cupsd_location_t *b) /* I - Second location */ | |
1947 | { | |
1948 | return (strcmp(b->location, a->location)); | |
1949 | } | |
1950 | ||
1951 | ||
10d09e33 MS |
1952 | /* |
1953 | * 'copy_authmask()' - Copy function for auth masks. | |
1954 | */ | |
1955 | ||
1956 | static cupsd_authmask_t * /* O - New auth mask */ | |
1957 | copy_authmask(cupsd_authmask_t *mask, /* I - Existing auth mask */ | |
1958 | void *data) /* I - User data (unused) */ | |
1959 | { | |
1960 | cupsd_authmask_t *temp; /* New auth mask */ | |
1961 | ||
1962 | ||
1963 | (void)data; | |
1964 | ||
1965 | if ((temp = malloc(sizeof(cupsd_authmask_t))) != NULL) | |
1966 | { | |
1967 | memcpy(temp, mask, sizeof(cupsd_authmask_t)); | |
1968 | ||
1969 | if (temp->type == CUPSD_AUTH_NAME || temp->type == CUPSD_AUTH_INTERFACE) | |
1970 | { | |
1971 | /* | |
1972 | * Make a copy of the name... | |
1973 | */ | |
1974 | ||
1975 | if ((temp->mask.name.name = _cupsStrAlloc(temp->mask.name.name)) == NULL) | |
1976 | { | |
1977 | /* | |
1978 | * Failed to make copy... | |
1979 | */ | |
1980 | ||
1981 | free(temp); | |
1982 | temp = NULL; | |
1983 | } | |
1984 | } | |
1985 | } | |
1986 | ||
1987 | return (temp); | |
1988 | } | |
1989 | ||
1990 | ||
10d09e33 MS |
1991 | /* |
1992 | * 'free_authmask()' - Free function for auth masks. | |
1993 | */ | |
1994 | ||
1995 | static void | |
1996 | free_authmask(cupsd_authmask_t *mask, /* I - Auth mask to free */ | |
1997 | void *data) /* I - User data (unused) */ | |
1998 | { | |
1999 | (void)data; | |
2000 | ||
2001 | if (mask->type == CUPSD_AUTH_NAME || mask->type == CUPSD_AUTH_INTERFACE) | |
2002 | _cupsStrFree(mask->mask.name.name); | |
2003 | ||
2004 | free(mask); | |
2005 | } | |
2006 | ||
2007 | ||
ef416fc2 | 2008 | #if HAVE_LIBPAM |
2009 | /* | |
2010 | * 'pam_func()' - PAM conversation function. | |
2011 | */ | |
2012 | ||
2013 | static int /* O - Success or failure */ | |
2014 | pam_func( | |
2015 | int num_msg, /* I - Number of messages */ | |
2016 | const struct pam_message **msg, /* I - Messages */ | |
2017 | struct pam_response **resp, /* O - Responses */ | |
2018 | void *appdata_ptr) | |
2019 | /* I - Pointer to connection */ | |
2020 | { | |
2021 | int i; /* Looping var */ | |
2022 | struct pam_response *replies; /* Replies */ | |
2023 | cupsd_authdata_t *data; /* Pointer to auth data */ | |
2024 | ||
2025 | ||
2026 | /* | |
2027 | * Allocate memory for the responses... | |
2028 | */ | |
2029 | ||
7e86f2f6 | 2030 | if ((replies = malloc(sizeof(struct pam_response) * (size_t)num_msg)) == NULL) |
ef416fc2 | 2031 | return (PAM_CONV_ERR); |
2032 | ||
2033 | /* | |
2034 | * Answer all of the messages... | |
2035 | */ | |
2036 | ||
ef416fc2 | 2037 | data = (cupsd_authdata_t *)appdata_ptr; |
ef416fc2 | 2038 | |
2039 | for (i = 0; i < num_msg; i ++) | |
2040 | { | |
ef416fc2 | 2041 | switch (msg[i]->msg_style) |
2042 | { | |
2043 | case PAM_PROMPT_ECHO_ON: | |
ef416fc2 | 2044 | replies[i].resp_retcode = PAM_SUCCESS; |
2045 | replies[i].resp = strdup(data->username); | |
2046 | break; | |
2047 | ||
2048 | case PAM_PROMPT_ECHO_OFF: | |
ef416fc2 | 2049 | replies[i].resp_retcode = PAM_SUCCESS; |
2050 | replies[i].resp = strdup(data->password); | |
2051 | break; | |
2052 | ||
2053 | case PAM_TEXT_INFO: | |
ef416fc2 | 2054 | replies[i].resp_retcode = PAM_SUCCESS; |
2055 | replies[i].resp = NULL; | |
2056 | break; | |
2057 | ||
2058 | case PAM_ERROR_MSG: | |
ef416fc2 | 2059 | replies[i].resp_retcode = PAM_SUCCESS; |
2060 | replies[i].resp = NULL; | |
2061 | break; | |
2062 | ||
2063 | default: | |
ef416fc2 | 2064 | free(replies); |
2065 | return (PAM_CONV_ERR); | |
2066 | } | |
2067 | } | |
2068 | ||
2069 | /* | |
2070 | * Return the responses back to PAM... | |
2071 | */ | |
2072 | ||
2073 | *resp = replies; | |
2074 | ||
2075 | return (PAM_SUCCESS); | |
2076 | } | |
ef416fc2 | 2077 | #endif /* HAVE_LIBPAM */ |