2 * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "krb5_locl.h"
36 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
37 krb5_auth_con_init(krb5_context context,
38 krb5_auth_context *auth_context)
44 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
47 memset(p, 0, sizeof(*p));
48 ALLOC(p->authenticator, 1);
49 if (!p->authenticator) {
50 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
54 memset (p->authenticator, 0, sizeof(*p->authenticator));
55 p->flags = KRB5_AUTH_CONTEXT_DO_TIME;
57 p->local_address = NULL;
58 p->remote_address = NULL;
61 p->keytype = ENCTYPE_NULL;
62 p->cksumtype = CKSUMTYPE_NONE;
67 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
68 krb5_auth_con_free(krb5_context context,
69 krb5_auth_context auth_context)
71 if (auth_context != NULL) {
72 krb5_free_authenticator(context, &auth_context->authenticator);
73 if(auth_context->local_address){
74 free_HostAddress(auth_context->local_address);
75 free(auth_context->local_address);
77 if(auth_context->remote_address){
78 free_HostAddress(auth_context->remote_address);
79 free(auth_context->remote_address);
81 krb5_free_keyblock(context, auth_context->keyblock);
82 krb5_free_keyblock(context, auth_context->remote_subkey);
83 krb5_free_keyblock(context, auth_context->local_subkey);
89 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
90 krb5_auth_con_setflags(krb5_context context,
91 krb5_auth_context auth_context,
94 auth_context->flags = flags;
99 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
100 krb5_auth_con_getflags(krb5_context context,
101 krb5_auth_context auth_context,
104 *flags = auth_context->flags;
108 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
109 krb5_auth_con_addflags(krb5_context context,
110 krb5_auth_context auth_context,
115 *flags = auth_context->flags;
116 auth_context->flags |= addflags;
120 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
121 krb5_auth_con_removeflags(krb5_context context,
122 krb5_auth_context auth_context,
127 *flags = auth_context->flags;
128 auth_context->flags &= ~removeflags;
132 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
133 krb5_auth_con_setaddrs(krb5_context context,
134 krb5_auth_context auth_context,
135 krb5_address *local_addr,
136 krb5_address *remote_addr)
139 if (auth_context->local_address)
140 krb5_free_address (context, auth_context->local_address);
142 if ((auth_context->local_address = malloc(sizeof(krb5_address))) == NULL)
144 krb5_copy_address(context, local_addr, auth_context->local_address);
147 if (auth_context->remote_address)
148 krb5_free_address (context, auth_context->remote_address);
150 if ((auth_context->remote_address = malloc(sizeof(krb5_address))) == NULL)
152 krb5_copy_address(context, remote_addr, auth_context->remote_address);
157 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
158 krb5_auth_con_genaddrs(krb5_context context,
159 krb5_auth_context auth_context,
160 krb5_socket_t fd, int flags)
163 krb5_address local_k_address, remote_k_address;
164 krb5_address *lptr = NULL, *rptr = NULL;
165 struct sockaddr_storage ss_local, ss_remote;
166 struct sockaddr *local = (struct sockaddr *)&ss_local;
167 struct sockaddr *remote = (struct sockaddr *)&ss_remote;
170 if(flags & KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR) {
171 if (auth_context->local_address == NULL) {
172 len = sizeof(ss_local);
173 if(rk_IS_SOCKET_ERROR(getsockname(fd, local, &len))) {
176 rk_strerror_r(ret, buf, sizeof(buf));
177 krb5_set_error_message(context, ret, "getsockname: %s", buf);
180 ret = krb5_sockaddr2address (context, local, &local_k_address);
182 if(flags & KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR) {
183 krb5_sockaddr2port (context, local, &auth_context->local_port);
185 auth_context->local_port = 0;
186 lptr = &local_k_address;
189 if(flags & KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR) {
190 len = sizeof(ss_remote);
191 if(rk_IS_SOCKET_ERROR(getpeername(fd, remote, &len))) {
194 rk_strerror_r(ret, buf, sizeof(buf));
195 krb5_set_error_message(context, ret, "getpeername: %s", buf);
198 ret = krb5_sockaddr2address (context, remote, &remote_k_address);
200 if(flags & KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR) {
201 krb5_sockaddr2port (context, remote, &auth_context->remote_port);
203 auth_context->remote_port = 0;
204 rptr = &remote_k_address;
206 ret = krb5_auth_con_setaddrs (context,
212 krb5_free_address (context, lptr);
214 krb5_free_address (context, rptr);
219 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
220 krb5_auth_con_setaddrs_from_fd (krb5_context context,
221 krb5_auth_context auth_context,
224 krb5_socket_t fd = *(krb5_socket_t *)p_fd;
226 if(auth_context->local_address == NULL)
227 flags |= KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR;
228 if(auth_context->remote_address == NULL)
229 flags |= KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR;
230 return krb5_auth_con_genaddrs(context, auth_context, fd, flags);
233 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
234 krb5_auth_con_getaddrs(krb5_context context,
235 krb5_auth_context auth_context,
236 krb5_address **local_addr,
237 krb5_address **remote_addr)
240 krb5_free_address (context, *local_addr);
241 *local_addr = malloc (sizeof(**local_addr));
242 if (*local_addr == NULL) {
243 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
246 krb5_copy_address(context,
247 auth_context->local_address,
251 krb5_free_address (context, *remote_addr);
252 *remote_addr = malloc (sizeof(**remote_addr));
253 if (*remote_addr == NULL) {
254 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
255 krb5_free_address (context, *local_addr);
259 krb5_copy_address(context,
260 auth_context->remote_address,
265 /* coverity[+alloc : arg-*2] */
266 static krb5_error_code
267 copy_key(krb5_context context,
272 return krb5_copy_keyblock(context, in, out);
273 *out = NULL; /* is this right? */
277 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
278 krb5_auth_con_getkey(krb5_context context,
279 krb5_auth_context auth_context,
280 krb5_keyblock **keyblock)
282 return copy_key(context, auth_context->keyblock, keyblock);
285 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
286 krb5_auth_con_getlocalsubkey(krb5_context context,
287 krb5_auth_context auth_context,
288 krb5_keyblock **keyblock)
290 return copy_key(context, auth_context->local_subkey, keyblock);
293 /* coverity[+alloc : arg-*2] */
294 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
295 krb5_auth_con_getremotesubkey(krb5_context context,
296 krb5_auth_context auth_context,
297 krb5_keyblock **keyblock)
299 return copy_key(context, auth_context->remote_subkey, keyblock);
302 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
303 krb5_auth_con_setkey(krb5_context context,
304 krb5_auth_context auth_context,
305 krb5_keyblock *keyblock)
307 if(auth_context->keyblock)
308 krb5_free_keyblock(context, auth_context->keyblock);
309 return copy_key(context, keyblock, &auth_context->keyblock);
312 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
313 krb5_auth_con_setlocalsubkey(krb5_context context,
314 krb5_auth_context auth_context,
315 krb5_keyblock *keyblock)
317 if(auth_context->local_subkey)
318 krb5_free_keyblock(context, auth_context->local_subkey);
319 return copy_key(context, keyblock, &auth_context->local_subkey);
322 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
323 krb5_auth_con_generatelocalsubkey(krb5_context context,
324 krb5_auth_context auth_context,
328 krb5_keyblock *subkey;
330 ret = krb5_generate_subkey_extended (context, key,
331 auth_context->keytype,
335 if(auth_context->local_subkey)
336 krb5_free_keyblock(context, auth_context->local_subkey);
337 auth_context->local_subkey = subkey;
342 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
343 krb5_auth_con_setremotesubkey(krb5_context context,
344 krb5_auth_context auth_context,
345 krb5_keyblock *keyblock)
347 if(auth_context->remote_subkey)
348 krb5_free_keyblock(context, auth_context->remote_subkey);
349 return copy_key(context, keyblock, &auth_context->remote_subkey);
352 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
353 krb5_auth_con_setcksumtype(krb5_context context,
354 krb5_auth_context auth_context,
355 krb5_cksumtype cksumtype)
357 auth_context->cksumtype = cksumtype;
361 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
362 krb5_auth_con_getcksumtype(krb5_context context,
363 krb5_auth_context auth_context,
364 krb5_cksumtype *cksumtype)
366 *cksumtype = auth_context->cksumtype;
370 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
371 krb5_auth_con_setkeytype (krb5_context context,
372 krb5_auth_context auth_context,
373 krb5_keytype keytype)
375 auth_context->keytype = keytype;
379 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
380 krb5_auth_con_getkeytype (krb5_context context,
381 krb5_auth_context auth_context,
382 krb5_keytype *keytype)
384 *keytype = auth_context->keytype;
389 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
390 krb5_auth_con_setenctype(krb5_context context,
391 krb5_auth_context auth_context,
394 if(auth_context->keyblock)
395 krb5_free_keyblock(context, auth_context->keyblock);
396 ALLOC(auth_context->keyblock, 1);
397 if(auth_context->keyblock == NULL)
399 auth_context->keyblock->keytype = etype;
403 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
404 krb5_auth_con_getenctype(krb5_context context,
405 krb5_auth_context auth_context,
408 krb5_abortx(context, "unimplemented krb5_auth_getenctype called");
412 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
413 krb5_auth_con_getlocalseqnumber(krb5_context context,
414 krb5_auth_context auth_context,
417 *seqnumber = auth_context->local_seqnumber;
421 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
422 krb5_auth_con_setlocalseqnumber (krb5_context context,
423 krb5_auth_context auth_context,
426 auth_context->local_seqnumber = seqnumber;
430 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
431 krb5_auth_con_getremoteseqnumber(krb5_context context,
432 krb5_auth_context auth_context,
435 *seqnumber = auth_context->remote_seqnumber;
439 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
440 krb5_auth_con_setremoteseqnumber (krb5_context context,
441 krb5_auth_context auth_context,
444 auth_context->remote_seqnumber = seqnumber;
449 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
450 krb5_auth_con_getauthenticator(krb5_context context,
451 krb5_auth_context auth_context,
452 krb5_authenticator *authenticator)
454 *authenticator = malloc(sizeof(**authenticator));
455 if (*authenticator == NULL) {
456 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
460 copy_Authenticator(auth_context->authenticator,
466 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
467 krb5_free_authenticator(krb5_context context,
468 krb5_authenticator *authenticator)
470 free_Authenticator (*authenticator);
471 free (*authenticator);
472 *authenticator = NULL;
476 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
477 krb5_auth_con_setuserkey(krb5_context context,
478 krb5_auth_context auth_context,
479 krb5_keyblock *keyblock)
481 if(auth_context->keyblock)
482 krb5_free_keyblock(context, auth_context->keyblock);
483 return krb5_copy_keyblock(context, keyblock, &auth_context->keyblock);
486 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
487 krb5_auth_con_getrcache(krb5_context context,
488 krb5_auth_context auth_context,
491 *rcache = auth_context->rcache;
495 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
496 krb5_auth_con_setrcache(krb5_context context,
497 krb5_auth_context auth_context,
500 auth_context->rcache = rcache;
504 #if 0 /* not implemented */
506 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
507 krb5_auth_con_initivector(krb5_context context,
508 krb5_auth_context auth_context)
510 krb5_abortx(context, "unimplemented krb5_auth_con_initivector called");
514 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
515 krb5_auth_con_setivector(krb5_context context,
516 krb5_auth_context auth_context,
517 krb5_pointer ivector)
519 krb5_abortx(context, "unimplemented krb5_auth_con_setivector called");
522 #endif /* not implemented */