Line data Source code
1 : /*
2 : * Copyright (c) 2007 Kungliga Tekniska Högskolan
3 : * (Royal Institute of Technology, Stockholm, Sweden).
4 : * All rights reserved.
5 : *
6 : * Portions (c) 2021, 2022 PADL Software Pty Ltd.
7 : *
8 : * Redistribution and use in source and binary forms, with or without
9 : * modification, are permitted provided that the following conditions
10 : * are met:
11 : *
12 : * 1. Redistributions of source code must retain the above copyright
13 : * notice, this list of conditions and the following disclaimer.
14 : *
15 : * 2. Redistributions in binary form must reproduce the above copyright
16 : * notice, this list of conditions and the following disclaimer in the
17 : * documentation and/or other materials provided with the distribution.
18 : *
19 : * 3. Neither the name of the Institute nor the names of its contributors
20 : * may be used to endorse or promote products derived from this software
21 : * without specific prior written permission.
22 : *
23 : * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 : * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 : * SUCH DAMAGE.
34 : */
35 :
36 : #include "kdc_locl.h"
37 :
38 : static int have_plugin = 0;
39 :
40 : /*
41 : * Pick the first KDC plugin module that we find.
42 : */
43 :
44 : static const char *kdc_plugin_deps[] = {
45 : "kdc",
46 : "krb5",
47 : "hdb",
48 : NULL
49 : };
50 :
51 : static struct heim_plugin_data kdc_plugin_data = {
52 : "krb5",
53 : "kdc",
54 : KRB5_PLUGIN_KDC_VERSION_11,
55 : kdc_plugin_deps,
56 : kdc_get_instance
57 : };
58 :
59 : static krb5_error_code KRB5_LIB_CALL
60 93 : load(krb5_context context, const void *plug, void *plugctx, void *userctx)
61 : {
62 93 : have_plugin = 1;
63 93 : return KRB5_PLUGIN_NO_HANDLE;
64 : }
65 :
66 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
67 93 : krb5_kdc_plugin_init(krb5_context context)
68 : {
69 93 : (void)_krb5_plugin_run_f(context, &kdc_plugin_data, 0, NULL, load);
70 :
71 93 : return 0;
72 : }
73 :
74 : struct generate_uc {
75 : astgs_request_t r;
76 : hdb_entry *client;
77 : hdb_entry *server;
78 : const krb5_keyblock *reply_key;
79 : uint64_t pac_attributes;
80 : krb5_pac *pac;
81 : };
82 :
83 : static krb5_error_code KRB5_LIB_CALL
84 30956 : generate(krb5_context context, const void *plug, void *plugctx, void *userctx)
85 : {
86 30956 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
87 30956 : struct generate_uc *uc = (struct generate_uc *)userctx;
88 :
89 30956 : if (ft->pac_generate == NULL)
90 0 : return KRB5_PLUGIN_NO_HANDLE;
91 :
92 30956 : return ft->pac_generate((void *)plug,
93 : uc->r,
94 : uc->client,
95 : uc->server,
96 : uc->reply_key,
97 : uc->pac_attributes,
98 : uc->pac);
99 : }
100 :
101 :
102 : krb5_error_code
103 30956 : _kdc_pac_generate(astgs_request_t r,
104 : hdb_entry *client,
105 : hdb_entry *server,
106 : const krb5_keyblock *reply_key,
107 : uint64_t pac_attributes,
108 : krb5_pac *pac)
109 : {
110 30956 : krb5_error_code ret = 0;
111 1170 : struct generate_uc uc;
112 :
113 30956 : *pac = NULL;
114 :
115 30956 : if (krb5_config_get_bool_default(r->context, NULL, FALSE, "realms",
116 30956 : client->principal->realm,
117 : "disable_pac", NULL))
118 0 : return 0;
119 :
120 30956 : if (have_plugin) {
121 30956 : uc.r = r;
122 30956 : uc.client = client;
123 30956 : uc.server = server;
124 30956 : uc.reply_key = reply_key;
125 30956 : uc.pac = pac;
126 30956 : uc.pac_attributes = pac_attributes;
127 :
128 30956 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data,
129 : 0, &uc, generate);
130 30956 : if (ret != KRB5_PLUGIN_NO_HANDLE)
131 29786 : return ret;
132 0 : ret = 0;
133 : }
134 :
135 0 : if (*pac == NULL)
136 0 : ret = krb5_pac_init(r->context, pac);
137 :
138 0 : return ret;
139 : }
140 :
141 : struct verify_uc {
142 : astgs_request_t r;
143 : krb5_const_principal client_principal;
144 : hdb_entry *delegated_proxy;
145 : hdb_entry *client;
146 : hdb_entry *server;
147 : hdb_entry *krbtgt;
148 : EncTicketPart *ticket;
149 : krb5_pac pac;
150 : };
151 :
152 : static krb5_error_code KRB5_LIB_CALL
153 50561 : verify(krb5_context context, const void *plug, void *plugctx, void *userctx)
154 : {
155 50561 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
156 50561 : struct verify_uc *uc = (struct verify_uc *)userctx;
157 1658 : krb5_error_code ret;
158 :
159 50561 : if (ft->pac_verify == NULL)
160 0 : return KRB5_PLUGIN_NO_HANDLE;
161 :
162 50561 : ret = ft->pac_verify((void *)plug,
163 : uc->r,
164 : uc->client_principal,
165 : uc->delegated_proxy,
166 : uc->client, uc->server, uc->krbtgt,
167 : uc->ticket, uc->pac);
168 50561 : return ret;
169 : }
170 :
171 : krb5_error_code
172 50561 : _kdc_pac_verify(astgs_request_t r,
173 : krb5_const_principal client_principal,
174 : hdb_entry *delegated_proxy,
175 : hdb_entry *client,
176 : hdb_entry *server,
177 : hdb_entry *krbtgt,
178 : EncTicketPart *ticket,
179 : krb5_pac pac)
180 : {
181 1658 : struct verify_uc uc;
182 :
183 50561 : if (!have_plugin)
184 0 : return KRB5_PLUGIN_NO_HANDLE;
185 :
186 50561 : uc.r = r;
187 50561 : uc.client_principal = client_principal;
188 50561 : uc.delegated_proxy = delegated_proxy;
189 50561 : uc.client = client;
190 50561 : uc.server = server;
191 50561 : uc.krbtgt = krbtgt;
192 50561 : uc.ticket = ticket,
193 50561 : uc.pac = pac;
194 :
195 50561 : return _krb5_plugin_run_f(r->context, &kdc_plugin_data,
196 : 0, &uc, verify);
197 : }
198 :
199 : struct update_uc {
200 : astgs_request_t r;
201 : krb5_const_principal client_principal;
202 : hdb_entry *delegated_proxy;
203 : krb5_const_pac delegated_proxy_pac;
204 : hdb_entry *client;
205 : hdb_entry *server;
206 : hdb_entry *krbtgt;
207 : krb5_pac *pac;
208 : };
209 :
210 : static krb5_error_code KRB5_LIB_CALL
211 48712 : update(krb5_context context, const void *plug, void *plugctx, void *userctx)
212 : {
213 48712 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
214 48712 : struct update_uc *uc = (struct update_uc *)userctx;
215 1658 : krb5_error_code ret;
216 :
217 48712 : if (ft->pac_update == NULL)
218 0 : return KRB5_PLUGIN_NO_HANDLE;
219 :
220 48712 : ret = ft->pac_update((void *)plug,
221 : uc->r,
222 : uc->client_principal,
223 : uc->delegated_proxy,
224 : uc->delegated_proxy_pac,
225 : uc->client, uc->server, uc->krbtgt, uc->pac);
226 48712 : return ret;
227 : }
228 :
229 : krb5_error_code
230 48712 : _kdc_pac_update(astgs_request_t r,
231 : krb5_const_principal client_principal,
232 : hdb_entry *delegated_proxy,
233 : krb5_const_pac delegated_proxy_pac,
234 : hdb_entry *client,
235 : hdb_entry *server,
236 : hdb_entry *krbtgt,
237 : krb5_pac *pac)
238 : {
239 1658 : struct update_uc uc;
240 :
241 48712 : if (!have_plugin)
242 0 : return KRB5_PLUGIN_NO_HANDLE;
243 :
244 48712 : uc.r = r;
245 48712 : uc.client_principal = client_principal;
246 48712 : uc.delegated_proxy = delegated_proxy;
247 48712 : uc.delegated_proxy_pac = delegated_proxy_pac;
248 48712 : uc.client = client;
249 48712 : uc.server = server;
250 48712 : uc.krbtgt = krbtgt;
251 48712 : uc.pac = pac;
252 :
253 48712 : return _krb5_plugin_run_f(r->context, &kdc_plugin_data,
254 : 0, &uc, update);
255 : }
256 :
257 : static krb5_error_code KRB5_LIB_CALL
258 49529 : check(krb5_context context, const void *plug, void *plugctx, void *userctx)
259 : {
260 49529 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
261 :
262 49529 : if (ft->client_access == NULL)
263 0 : return KRB5_PLUGIN_NO_HANDLE;
264 49529 : return ft->client_access((void *)plug, userctx);
265 : }
266 :
267 : krb5_error_code
268 49529 : _kdc_check_access(astgs_request_t r)
269 : {
270 49529 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
271 :
272 49529 : if (have_plugin) {
273 49529 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data,
274 : 0, r, check);
275 : }
276 :
277 49529 : if (ret == KRB5_PLUGIN_NO_HANDLE)
278 49224 : return kdc_check_flags(r, r->req.msg_type == krb_as_req,
279 : r->client, r->server);
280 305 : return ret;
281 : }
282 :
283 : static krb5_error_code KRB5_LIB_CALL
284 1246 : referral_policy(krb5_context context, const void *plug, void *plugctx, void *userctx)
285 : {
286 1246 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
287 :
288 1246 : if (ft->referral_policy == NULL)
289 0 : return KRB5_PLUGIN_NO_HANDLE;
290 1246 : return ft->referral_policy((void *)plug, userctx);
291 : }
292 :
293 : krb5_error_code
294 1246 : _kdc_referral_policy(astgs_request_t r)
295 : {
296 1246 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
297 :
298 1246 : if (have_plugin)
299 1246 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, referral_policy);
300 :
301 1246 : return ret;
302 : }
303 :
304 : static krb5_error_code KRB5_LIB_CALL
305 79598 : finalize_reply(krb5_context context, const void *plug, void *plugctx, void *userctx)
306 : {
307 79598 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
308 :
309 79598 : if (ft->finalize_reply == NULL)
310 0 : return KRB5_PLUGIN_NO_HANDLE;
311 79598 : return ft->finalize_reply((void *)plug, userctx);
312 : }
313 :
314 : krb5_error_code
315 79598 : _kdc_finalize_reply(astgs_request_t r)
316 : {
317 79598 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
318 :
319 79598 : if (have_plugin)
320 79598 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, finalize_reply);
321 :
322 79598 : if (ret == KRB5_PLUGIN_NO_HANDLE)
323 0 : ret = 0;
324 :
325 79598 : return ret;
326 : }
327 :
328 : static krb5_error_code KRB5_LIB_CALL
329 104689 : audit(krb5_context context, const void *plug, void *plugctx, void *userctx)
330 : {
331 104689 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
332 :
333 104689 : if (ft->audit == NULL)
334 101276 : return KRB5_PLUGIN_NO_HANDLE;
335 0 : return ft->audit((void *)plug, userctx);
336 : }
337 :
338 : krb5_error_code
339 104689 : _kdc_plugin_audit(astgs_request_t r)
340 : {
341 104689 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
342 :
343 104689 : if (have_plugin)
344 104689 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, audit);
345 :
346 104689 : if (ret == KRB5_PLUGIN_NO_HANDLE)
347 101276 : ret = 0;
348 :
349 104689 : return ret;
350 : }
351 :
352 : KDC_LIB_FUNCTION uintptr_t KDC_LIB_CALL
353 0 : kdc_get_instance(const char *libname)
354 : {
355 0 : static const char *instance = "libkdc";
356 :
357 0 : if (strcmp(libname, "kdc") == 0)
358 0 : return (uintptr_t)instance;
359 0 : else if (strcmp(libname, "hdb") == 0)
360 0 : return hdb_get_instance(libname);
361 0 : else if (strcmp(libname, "krb5") == 0)
362 0 : return krb5_get_instance(libname);
363 :
364 0 : return 0;
365 : }
366 :
367 : /*
368 : * Minimum API surface wrapper for libheimbase object types so it
369 : * may remain a private interface, yet plugins can interact with
370 : * objects.
371 : */
372 :
373 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
374 679 : kdc_object_alloc(size_t size, const char *name, kdc_type_dealloc dealloc)
375 : {
376 679 : return heim_alloc(size, name, dealloc);
377 : }
378 :
379 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
380 0 : kdc_object_retain(kdc_object_t o)
381 : {
382 0 : return heim_retain(o);
383 : }
384 :
385 : KDC_LIB_FUNCTION void KDC_LIB_CALL
386 0 : kdc_object_release(kdc_object_t o)
387 : {
388 0 : heim_release(o);
389 0 : }
390 :
391 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
392 0 : kdc_bool_create(krb5_boolean v)
393 : {
394 0 : return heim_bool_create(v);
395 : }
396 :
397 : KDC_LIB_FUNCTION krb5_boolean KDC_LIB_CALL
398 0 : kdc_bool_get_value(kdc_object_t o)
399 : {
400 0 : return heim_bool_val(o);
401 : }
402 :
403 : struct kdc_array_iterator_trampoline_data {
404 : kdc_array_iterator_t iter;
405 : void *data;
406 : };
407 :
408 : /*
409 : * Calling convention shim to avoid needing to update all internal
410 : * consumers of heim_array_iterate_f()
411 : */
412 : static void
413 0 : _kdc_array_iterator_trampoline(kdc_object_t o, void *data, int *stop)
414 : {
415 0 : struct kdc_array_iterator_trampoline_data *t = data;
416 :
417 0 : t->iter(o, t->data, stop);
418 0 : }
419 :
420 : KDC_LIB_FUNCTION void KDC_LIB_CALL
421 0 : kdc_array_iterate(kdc_array_t a, void *d, kdc_array_iterator_t iter)
422 : {
423 0 : struct kdc_array_iterator_trampoline_data t;
424 :
425 0 : t.iter = iter;
426 0 : t.data = d;
427 :
428 0 : heim_array_iterate_f((heim_array_t)a, &t, _kdc_array_iterator_trampoline);
429 0 : }
430 :
431 : KDC_LIB_FUNCTION size_t KDC_LIB_CALL
432 0 : kdc_array_get_length(kdc_array_t a)
433 : {
434 0 : return heim_array_get_length((heim_array_t)a);
435 : }
436 :
437 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
438 0 : kdc_array_get_value(heim_array_t a, size_t i)
439 : {
440 0 : return heim_array_get_value((heim_array_t)a, i);
441 : }
442 :
443 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
444 0 : kdc_array_copy_value(heim_array_t a, size_t i)
445 : {
446 0 : return heim_array_copy_value((heim_array_t)a, i);
447 : }
448 :
449 : KDC_LIB_FUNCTION kdc_string_t KDC_LIB_CALL
450 0 : kdc_string_create(const char *s)
451 : {
452 0 : return (kdc_string_t)heim_string_create(s);
453 : }
454 :
455 : KDC_LIB_FUNCTION const char * KDC_LIB_CALL
456 0 : kdc_string_get_utf8(kdc_string_t s)
457 : {
458 0 : return heim_string_get_utf8((heim_string_t)s);
459 : }
460 :
461 : KDC_LIB_FUNCTION kdc_data_t
462 0 : kdc_data_create(const void *d, size_t len)
463 : {
464 0 : return (kdc_data_t)heim_data_create(d, len);
465 : }
466 :
467 : KDC_LIB_FUNCTION const krb5_data * KDC_LIB_CALL
468 0 : kdc_data_get_data(kdc_data_t d)
469 : {
470 0 : return heim_data_get_data((heim_data_t)d);
471 : }
472 :
473 : KDC_LIB_FUNCTION kdc_number_t KDC_LIB_CALL
474 0 : kdc_number_create(int64_t v)
475 : {
476 0 : return (kdc_number_t)heim_number_create(v);
477 : }
478 :
479 : KDC_LIB_FUNCTION int64_t KDC_LIB_CALL
480 0 : kdc_number_get_value(kdc_number_t n)
481 : {
482 0 : return heim_number_get_long((heim_number_t)n);
483 : }
484 :
485 : /*
486 : * Plugin accessors
487 : */
488 :
489 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
490 0 : kdc_request_add_reply_padata(astgs_request_t r, PA_DATA *md)
491 : {
492 0 : heim_assert(r->rep.padata != NULL, "reply padata not allocated");
493 0 : return add_METHOD_DATA(r->rep.padata, md);
494 : }
495 :
496 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
497 36657 : kdc_request_add_encrypted_padata(astgs_request_t r, PA_DATA *md)
498 : {
499 36657 : if (r->ek.encrypted_pa_data == NULL) {
500 10755 : r->ek.encrypted_pa_data = calloc(1, sizeof *(r->ek.encrypted_pa_data));
501 10755 : if (r->ek.encrypted_pa_data == NULL) {
502 0 : return ENOMEM;
503 : }
504 : }
505 :
506 36657 : return add_METHOD_DATA(r->ek.encrypted_pa_data, md);
507 : }
508 :
509 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
510 0 : kdc_request_add_pac_buffer(astgs_request_t r,
511 : uint32_t pactype,
512 : const krb5_data *d)
513 : {
514 0 : krb5_error_code ret;
515 0 : krb5_pac pac;
516 :
517 0 : if (r->pac == NULL) {
518 0 : ret = krb5_pac_init(r->context, &pac);
519 0 : if (ret)
520 0 : return ret;
521 : } else
522 0 : pac = heim_retain(r->pac);
523 :
524 0 : ret = krb5_pac_add_buffer(r->context, pac, pactype, d);
525 0 : if (ret == 0 && r->pac == NULL)
526 0 : r->pac = pac;
527 : else
528 0 : heim_release(pac);
529 :
530 0 : return ret;
531 : }
532 :
533 : /*
534 : * Override the e-data field to be returned in an error reply. The data will be
535 : * owned by the KDC and eventually will be freed with krb5_data_free().
536 : */
537 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
538 115 : kdc_request_set_e_data(astgs_request_t r, heim_octet_string e_data)
539 : {
540 115 : krb5_data_free(&r->e_data);
541 115 : r->e_data = e_data;
542 :
543 115 : return 0;
544 : }
545 :
546 : #undef _KDC_REQUEST_GET_ACCESSOR
547 : #define _KDC_REQUEST_GET_ACCESSOR(R, T, f) \
548 : KDC_LIB_FUNCTION T KDC_LIB_CALL \
549 : kdc_request_get_ ## f(R r) \
550 : { \
551 : return r->f; \
552 : }
553 :
554 : #undef _KDC_REQUEST_SET_ACCESSOR
555 : #define _KDC_REQUEST_SET_ACCESSOR(R, T, f) \
556 : KDC_LIB_FUNCTION void KDC_LIB_CALL \
557 : kdc_request_set_ ## f(R r, T v) \
558 : { \
559 : r->f = v; \
560 : }
561 :
562 : #undef _KDC_REQUEST_GET_ACCESSOR_PTR
563 : #define _KDC_REQUEST_GET_ACCESSOR_PTR(R, T, f) \
564 : KDC_LIB_FUNCTION const T KDC_LIB_CALL \
565 : kdc_request_get_ ## f(R r) \
566 : { \
567 : return r->f; \
568 : }
569 :
570 : #undef _KDC_REQUEST_SET_ACCESSOR_PTR
571 : #define _KDC_REQUEST_SET_ACCESSOR_PTR(R, T, t, f) \
572 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL \
573 : kdc_request_set_ ## f(R r, const T v) \
574 : { \
575 : krb5_error_code ret; \
576 : T tmp; \
577 : \
578 : if (v == r->f) \
579 : return 0; \
580 : else if (v) { \
581 : ret = copy_##t(v, &tmp); \
582 : if (ret) \
583 : return ret; \
584 : } else \
585 : tmp = NULL; \
586 : \
587 : free_##t(r->f); \
588 : r->f = tmp; \
589 : \
590 : return 0; \
591 : }
592 :
593 : #undef _KDC_REQUEST_GET_ACCESSOR_STRUCT
594 : #define _KDC_REQUEST_GET_ACCESSOR_STRUCT(R, T, f) \
595 : KDC_LIB_FUNCTION const T * KDC_LIB_CALL \
596 : kdc_request_get_ ## f(R r) \
597 : { \
598 : return &r->f; \
599 : }
600 :
601 : #undef _KDC_REQUEST_SET_ACCESSOR_STRUCT
602 : #define _KDC_REQUEST_SET_ACCESSOR_STRUCT(R, T, t, f) \
603 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL \
604 : kdc_request_set_ ## f(R r, const T *v) \
605 : { \
606 : krb5_error_code ret; \
607 : T tmp; \
608 : \
609 : if (v == NULL) \
610 : return EINVAL; \
611 : else if (v == &r->f) \
612 : return 0; \
613 : \
614 : ret = copy_##t(v, &tmp); \
615 : if (ret) \
616 : return ret; \
617 : \
618 : free_##t(&r->f); \
619 : r->f = tmp; \
620 : \
621 : return 0; \
622 : }
623 :
624 : static krb5_error_code
625 0 : copy_string_ptr(const char *src, char **dst)
626 : {
627 0 : *dst = strdup(src);
628 0 : if (*dst == NULL)
629 0 : return ENOMEM;
630 :
631 0 : return 0;
632 : }
633 :
634 : static void
635 790 : free_string_ptr(char *s)
636 : {
637 790 : free(s);
638 790 : }
639 :
640 : static krb5_error_code
641 0 : copy_Principal_ptr(krb5_const_principal src, krb5_principal *dst)
642 : {
643 0 : krb5_error_code ret;
644 0 : krb5_principal p;
645 :
646 0 : *dst = NULL;
647 :
648 0 : p = calloc(1, sizeof(*p));
649 0 : if (p == NULL)
650 0 : return ENOMEM;
651 :
652 0 : ret = copy_Principal(src, p);
653 0 : if (ret == 0)
654 0 : *dst = p;
655 : else
656 0 : free(p);
657 :
658 0 : return ret;
659 : }
660 :
661 : static void
662 1580 : free_Principal_ptr(krb5_principal p)
663 : {
664 1580 : if (p) {
665 1580 : free_Principal(p);
666 1580 : free(p);
667 : }
668 1580 : }
669 :
670 : static krb5_error_code
671 0 : copy_pac(const struct krb5_pac_data *src, struct krb5_pac_data **dst)
672 : {
673 : /* FIXME use heim_copy() when it exists */
674 0 : *dst = (krb5_pac)heim_retain((heim_object_t)src);
675 0 : return 0;
676 : }
677 :
678 : static void
679 790 : free_pac(struct krb5_pac_data *o)
680 : {
681 790 : heim_release(o);
682 790 : }
683 :
684 : static krb5_error_code
685 0 : copy_keyblock(const EncryptionKey *src, EncryptionKey *dst)
686 : {
687 0 : return copy_EncryptionKey(src, dst);
688 : }
689 :
690 : static void
691 0 : free_keyblock(EncryptionKey *key)
692 : {
693 0 : krb5_free_keyblock_contents(NULL, key);
694 0 : }
695 :
696 : #undef HEIMDAL_KDC_KDC_ACCESSORS_H
697 : #include "kdc-accessors.h"
698 :
699 : #undef _KDC_REQUEST_GET_ACCESSOR
700 : #undef _KDC_REQUEST_SET_ACCESSOR
701 :
702 : #undef _KDC_REQUEST_GET_ACCESSOR_PTR
703 : #undef _KDC_REQUEST_SET_ACCESSOR_PTR
704 : #define _KDC_REQUEST_SET_ACCESSOR_PTR(R, T, t, f) \
705 : void \
706 : _kdc_request_set_ ## f ## _nocopy(R r, T *v) \
707 : { \
708 : if (*v != r->f) { \
709 : free_##t(r->f); \
710 : r->f = *v; \
711 : } \
712 : *v = NULL; \
713 : }
714 :
715 : #undef _KDC_REQUEST_GET_ACCESSOR_STRUCT
716 : #undef _KDC_REQUEST_SET_ACCESSOR_STRUCT
717 : #define _KDC_REQUEST_SET_ACCESSOR_STRUCT(R, T, t, f) \
718 : void \
719 : _kdc_request_set_ ## f ## _nocopy(R r, T *v) \
720 : { \
721 : if (v != &r->f) { \
722 : free_##t(&r->f); \
723 : r->f = *v; \
724 : } \
725 : memset(v, 0, sizeof(*v)); \
726 : }
727 :
728 : #undef HEIMDAL_KDC_KDC_ACCESSORS_H
729 : #include "kdc-accessors.h"
730 :
731 : KDC_LIB_FUNCTION const HDB * KDC_LIB_CALL
732 0 : kdc_request_get_explicit_armor_clientdb(astgs_request_t r)
733 : {
734 0 : return r->explicit_armor_present ? r->armor_clientdb : NULL;
735 : }
736 :
737 : KDC_LIB_FUNCTION const hdb_entry * KDC_LIB_CALL
738 0 : kdc_request_get_explicit_armor_client(astgs_request_t r)
739 : {
740 0 : return r->explicit_armor_present ? r->armor_client : NULL;
741 : }
742 :
743 : KDC_LIB_FUNCTION const hdb_entry * KDC_LIB_CALL
744 0 : kdc_request_get_explicit_armor_server(astgs_request_t r)
745 : {
746 0 : return r->explicit_armor_present ? r->armor_server : NULL;
747 : }
748 :
749 : KDC_LIB_FUNCTION krb5_const_pac KDC_LIB_CALL
750 0 : kdc_request_get_explicit_armor_pac(astgs_request_t r)
751 : {
752 0 : return r->explicit_armor_present ? r->armor_pac : NULL;
753 : }
|
