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_12,
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 30311 : generate(krb5_context context, const void *plug, void *plugctx, void *userctx)
85 : {
86 30311 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
87 30311 : struct generate_uc *uc = (struct generate_uc *)userctx;
88 :
89 30311 : if (ft->pac_generate == NULL)
90 0 : return KRB5_PLUGIN_NO_HANDLE;
91 :
92 30311 : 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 30311 : _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 30311 : krb5_error_code ret = 0;
111 1184 : struct generate_uc uc;
112 :
113 30311 : *pac = NULL;
114 :
115 30311 : if (krb5_config_get_bool_default(r->context, NULL, FALSE, "realms",
116 30311 : client->principal->realm,
117 : "disable_pac", NULL))
118 0 : return 0;
119 :
120 30311 : if (have_plugin) {
121 30311 : uc.r = r;
122 30311 : uc.client = client;
123 30311 : uc.server = server;
124 30311 : uc.reply_key = reply_key;
125 30311 : uc.pac = pac;
126 30311 : uc.pac_attributes = pac_attributes;
127 :
128 30311 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data,
129 : 0, &uc, generate);
130 30311 : if (ret != KRB5_PLUGIN_NO_HANDLE)
131 29127 : 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 50569 : verify(krb5_context context, const void *plug, void *plugctx, void *userctx)
154 : {
155 50569 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
156 50569 : struct verify_uc *uc = (struct verify_uc *)userctx;
157 1672 : krb5_error_code ret;
158 :
159 50569 : if (ft->pac_verify == NULL)
160 0 : return KRB5_PLUGIN_NO_HANDLE;
161 :
162 50569 : 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 50569 : return ret;
169 : }
170 :
171 : krb5_error_code
172 50569 : _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 1672 : struct verify_uc uc;
182 :
183 50569 : if (!have_plugin)
184 0 : return KRB5_PLUGIN_NO_HANDLE;
185 :
186 50569 : uc.r = r;
187 50569 : uc.client_principal = client_principal;
188 50569 : uc.delegated_proxy = delegated_proxy;
189 50569 : uc.client = client;
190 50569 : uc.server = server;
191 50569 : uc.krbtgt = krbtgt;
192 50569 : uc.ticket = ticket,
193 50569 : uc.pac = pac;
194 :
195 50569 : 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 48720 : update(krb5_context context, const void *plug, void *plugctx, void *userctx)
212 : {
213 48720 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
214 48720 : struct update_uc *uc = (struct update_uc *)userctx;
215 1672 : krb5_error_code ret;
216 :
217 48720 : if (ft->pac_update == NULL)
218 0 : return KRB5_PLUGIN_NO_HANDLE;
219 :
220 48720 : 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 48720 : return ret;
227 : }
228 :
229 : krb5_error_code
230 48720 : _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 1672 : struct update_uc uc;
240 :
241 48720 : if (!have_plugin)
242 0 : return KRB5_PLUGIN_NO_HANDLE;
243 :
244 48720 : uc.r = r;
245 48720 : uc.client_principal = client_principal;
246 48720 : uc.delegated_proxy = delegated_proxy;
247 48720 : uc.delegated_proxy_pac = delegated_proxy_pac;
248 48720 : uc.client = client;
249 48720 : uc.server = server;
250 48720 : uc.krbtgt = krbtgt;
251 48720 : uc.pac = pac;
252 :
253 48720 : 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 48569 : check(krb5_context context, const void *plug, void *plugctx, void *userctx)
259 : {
260 48569 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
261 :
262 48569 : if (ft->client_access == NULL)
263 0 : return KRB5_PLUGIN_NO_HANDLE;
264 48569 : return ft->client_access((void *)plug, userctx);
265 : }
266 :
267 : krb5_error_code
268 48569 : _kdc_check_access(astgs_request_t r)
269 : {
270 48569 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
271 :
272 48569 : if (have_plugin) {
273 48569 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data,
274 : 0, r, check);
275 : }
276 :
277 48569 : if (ret == KRB5_PLUGIN_NO_HANDLE)
278 48264 : 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 30037 : hwauth_policy(krb5_context context, const void *plug, void *plugctx, void *userctx)
306 : {
307 30037 : const krb5plugin_kdc_ftable *ft = plug;
308 :
309 30037 : if (ft->hwauth_policy == NULL) {
310 0 : return KRB5_PLUGIN_NO_HANDLE;
311 : }
312 30037 : return ft->hwauth_policy((void *)plug, userctx);
313 : }
314 :
315 : krb5_error_code
316 30037 : _kdc_hwauth_policy(astgs_request_t r)
317 : {
318 30037 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
319 :
320 30037 : if (have_plugin) {
321 30037 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, hwauth_policy);
322 : }
323 :
324 30037 : if (ret == KRB5_PLUGIN_NO_HANDLE) {
325 0 : ret = 0;
326 : }
327 :
328 30037 : return ret;
329 : }
330 :
331 : static krb5_error_code KRB5_LIB_CALL
332 78961 : finalize_reply(krb5_context context, const void *plug, void *plugctx, void *userctx)
333 : {
334 78961 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
335 :
336 78961 : if (ft->finalize_reply == NULL)
337 0 : return KRB5_PLUGIN_NO_HANDLE;
338 78961 : return ft->finalize_reply((void *)plug, userctx);
339 : }
340 :
341 : krb5_error_code
342 78961 : _kdc_finalize_reply(astgs_request_t r)
343 : {
344 78961 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
345 :
346 78961 : if (have_plugin)
347 78961 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, finalize_reply);
348 :
349 78961 : if (ret == KRB5_PLUGIN_NO_HANDLE)
350 0 : ret = 0;
351 :
352 78961 : return ret;
353 : }
354 :
355 : static krb5_error_code KRB5_LIB_CALL
356 103738 : audit(krb5_context context, const void *plug, void *plugctx, void *userctx)
357 : {
358 103738 : const krb5plugin_kdc_ftable *ft = (const krb5plugin_kdc_ftable *)plug;
359 :
360 103738 : if (ft->audit == NULL)
361 100290 : return KRB5_PLUGIN_NO_HANDLE;
362 0 : return ft->audit((void *)plug, userctx);
363 : }
364 :
365 : krb5_error_code
366 103738 : _kdc_plugin_audit(astgs_request_t r)
367 : {
368 103738 : krb5_error_code ret = KRB5_PLUGIN_NO_HANDLE;
369 :
370 103738 : if (have_plugin)
371 103738 : ret = _krb5_plugin_run_f(r->context, &kdc_plugin_data, 0, r, audit);
372 :
373 103738 : if (ret == KRB5_PLUGIN_NO_HANDLE)
374 100290 : ret = 0;
375 :
376 103738 : return ret;
377 : }
378 :
379 : KDC_LIB_FUNCTION uintptr_t KDC_LIB_CALL
380 0 : kdc_get_instance(const char *libname)
381 : {
382 0 : static const char *instance = "libkdc";
383 :
384 0 : if (strcmp(libname, "kdc") == 0)
385 0 : return (uintptr_t)instance;
386 0 : else if (strcmp(libname, "hdb") == 0)
387 0 : return hdb_get_instance(libname);
388 0 : else if (strcmp(libname, "krb5") == 0)
389 0 : return krb5_get_instance(libname);
390 :
391 0 : return 0;
392 : }
393 :
394 : /*
395 : * Minimum API surface wrapper for libheimbase object types so it
396 : * may remain a private interface, yet plugins can interact with
397 : * objects.
398 : */
399 :
400 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
401 686 : kdc_object_alloc(size_t size, const char *name, kdc_type_dealloc dealloc)
402 : {
403 686 : return heim_alloc(size, name, dealloc);
404 : }
405 :
406 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
407 0 : kdc_object_retain(kdc_object_t o)
408 : {
409 0 : return heim_retain(o);
410 : }
411 :
412 : KDC_LIB_FUNCTION void KDC_LIB_CALL
413 0 : kdc_object_release(kdc_object_t o)
414 : {
415 0 : heim_release(o);
416 0 : }
417 :
418 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
419 0 : kdc_bool_create(krb5_boolean v)
420 : {
421 0 : return heim_bool_create(v);
422 : }
423 :
424 : KDC_LIB_FUNCTION krb5_boolean KDC_LIB_CALL
425 0 : kdc_bool_get_value(kdc_object_t o)
426 : {
427 0 : return heim_bool_val(o);
428 : }
429 :
430 : struct kdc_array_iterator_trampoline_data {
431 : kdc_array_iterator_t iter;
432 : void *data;
433 : };
434 :
435 : /*
436 : * Calling convention shim to avoid needing to update all internal
437 : * consumers of heim_array_iterate_f()
438 : */
439 : static void
440 0 : _kdc_array_iterator_trampoline(kdc_object_t o, void *data, int *stop)
441 : {
442 0 : struct kdc_array_iterator_trampoline_data *t = data;
443 :
444 0 : t->iter(o, t->data, stop);
445 0 : }
446 :
447 : KDC_LIB_FUNCTION void KDC_LIB_CALL
448 0 : kdc_array_iterate(kdc_array_t a, void *d, kdc_array_iterator_t iter)
449 : {
450 0 : struct kdc_array_iterator_trampoline_data t;
451 :
452 0 : t.iter = iter;
453 0 : t.data = d;
454 :
455 0 : heim_array_iterate_f((heim_array_t)a, &t, _kdc_array_iterator_trampoline);
456 0 : }
457 :
458 : KDC_LIB_FUNCTION size_t KDC_LIB_CALL
459 0 : kdc_array_get_length(kdc_array_t a)
460 : {
461 0 : return heim_array_get_length((heim_array_t)a);
462 : }
463 :
464 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
465 0 : kdc_array_get_value(heim_array_t a, size_t i)
466 : {
467 0 : return heim_array_get_value((heim_array_t)a, i);
468 : }
469 :
470 : KDC_LIB_FUNCTION kdc_object_t KDC_LIB_CALL
471 0 : kdc_array_copy_value(heim_array_t a, size_t i)
472 : {
473 0 : return heim_array_copy_value((heim_array_t)a, i);
474 : }
475 :
476 : KDC_LIB_FUNCTION kdc_string_t KDC_LIB_CALL
477 0 : kdc_string_create(const char *s)
478 : {
479 0 : return (kdc_string_t)heim_string_create(s);
480 : }
481 :
482 : KDC_LIB_FUNCTION const char * KDC_LIB_CALL
483 0 : kdc_string_get_utf8(kdc_string_t s)
484 : {
485 0 : return heim_string_get_utf8((heim_string_t)s);
486 : }
487 :
488 : KDC_LIB_FUNCTION kdc_data_t
489 0 : kdc_data_create(const void *d, size_t len)
490 : {
491 0 : return (kdc_data_t)heim_data_create(d, len);
492 : }
493 :
494 : KDC_LIB_FUNCTION const krb5_data * KDC_LIB_CALL
495 0 : kdc_data_get_data(kdc_data_t d)
496 : {
497 0 : return heim_data_get_data((heim_data_t)d);
498 : }
499 :
500 : KDC_LIB_FUNCTION kdc_number_t KDC_LIB_CALL
501 0 : kdc_number_create(int64_t v)
502 : {
503 0 : return (kdc_number_t)heim_number_create(v);
504 : }
505 :
506 : KDC_LIB_FUNCTION int64_t KDC_LIB_CALL
507 0 : kdc_number_get_value(kdc_number_t n)
508 : {
509 0 : return heim_number_get_long((heim_number_t)n);
510 : }
511 :
512 : /*
513 : * Plugin accessors
514 : */
515 :
516 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
517 0 : kdc_request_add_reply_padata(astgs_request_t r, PA_DATA *md)
518 : {
519 0 : heim_assert(r->rep.padata != NULL, "reply padata not allocated");
520 0 : return add_METHOD_DATA(r->rep.padata, md);
521 : }
522 :
523 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
524 36012 : kdc_request_add_encrypted_padata(astgs_request_t r, PA_DATA *md)
525 : {
526 36012 : if (r->ek.encrypted_pa_data == NULL) {
527 10756 : r->ek.encrypted_pa_data = calloc(1, sizeof *(r->ek.encrypted_pa_data));
528 10756 : if (r->ek.encrypted_pa_data == NULL) {
529 0 : return ENOMEM;
530 : }
531 : }
532 :
533 36012 : return add_METHOD_DATA(r->ek.encrypted_pa_data, md);
534 : }
535 :
536 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
537 0 : kdc_request_add_pac_buffer(astgs_request_t r,
538 : uint32_t pactype,
539 : const krb5_data *d)
540 : {
541 0 : krb5_error_code ret;
542 0 : krb5_pac pac;
543 :
544 0 : if (r->pac == NULL) {
545 0 : ret = krb5_pac_init(r->context, &pac);
546 0 : if (ret)
547 0 : return ret;
548 : } else
549 0 : pac = heim_retain(r->pac);
550 :
551 0 : ret = krb5_pac_add_buffer(r->context, pac, pactype, d);
552 0 : if (ret == 0 && r->pac == NULL)
553 0 : r->pac = pac;
554 : else
555 0 : heim_release(pac);
556 :
557 0 : return ret;
558 : }
559 :
560 : /*
561 : * Override the e-data field to be returned in an error reply. The data will be
562 : * owned by the KDC and eventually will be freed with krb5_data_free().
563 : */
564 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
565 122 : kdc_request_set_e_data(astgs_request_t r, heim_octet_string e_data)
566 : {
567 122 : krb5_data_free(&r->e_data);
568 122 : r->e_data = e_data;
569 :
570 122 : return 0;
571 : }
572 :
573 : #undef _KDC_REQUEST_GET_ACCESSOR
574 : #define _KDC_REQUEST_GET_ACCESSOR(R, T, f) \
575 : KDC_LIB_FUNCTION T KDC_LIB_CALL \
576 : kdc_request_get_ ## f(R r) \
577 : { \
578 : return r->f; \
579 : }
580 :
581 : #undef _KDC_REQUEST_SET_ACCESSOR
582 : #define _KDC_REQUEST_SET_ACCESSOR(R, T, f) \
583 : KDC_LIB_FUNCTION void KDC_LIB_CALL \
584 : kdc_request_set_ ## f(R r, T v) \
585 : { \
586 : r->f = v; \
587 : }
588 :
589 : #undef _KDC_REQUEST_GET_ACCESSOR_PTR
590 : #define _KDC_REQUEST_GET_ACCESSOR_PTR(R, T, f) \
591 : KDC_LIB_FUNCTION const T KDC_LIB_CALL \
592 : kdc_request_get_ ## f(R r) \
593 : { \
594 : return r->f; \
595 : }
596 :
597 : #undef _KDC_REQUEST_SET_ACCESSOR_PTR
598 : #define _KDC_REQUEST_SET_ACCESSOR_PTR(R, T, t, f) \
599 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL \
600 : kdc_request_set_ ## f(R r, const T v) \
601 : { \
602 : krb5_error_code ret; \
603 : T tmp; \
604 : \
605 : if (v == r->f) \
606 : return 0; \
607 : else if (v) { \
608 : ret = copy_##t(v, &tmp); \
609 : if (ret) \
610 : return ret; \
611 : } else \
612 : tmp = NULL; \
613 : \
614 : free_##t(r->f); \
615 : r->f = tmp; \
616 : \
617 : return 0; \
618 : }
619 :
620 : #undef _KDC_REQUEST_GET_ACCESSOR_STRUCT
621 : #define _KDC_REQUEST_GET_ACCESSOR_STRUCT(R, T, f) \
622 : KDC_LIB_FUNCTION const T * KDC_LIB_CALL \
623 : kdc_request_get_ ## f(R r) \
624 : { \
625 : return &r->f; \
626 : }
627 :
628 : #undef _KDC_REQUEST_SET_ACCESSOR_STRUCT
629 : #define _KDC_REQUEST_SET_ACCESSOR_STRUCT(R, T, t, f) \
630 : KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL \
631 : kdc_request_set_ ## f(R r, const T *v) \
632 : { \
633 : krb5_error_code ret; \
634 : T tmp; \
635 : \
636 : if (v == NULL) \
637 : return EINVAL; \
638 : else if (v == &r->f) \
639 : return 0; \
640 : \
641 : ret = copy_##t(v, &tmp); \
642 : if (ret) \
643 : return ret; \
644 : \
645 : free_##t(&r->f); \
646 : r->f = tmp; \
647 : \
648 : return 0; \
649 : }
650 :
651 : static krb5_error_code
652 0 : copy_string_ptr(const char *src, char **dst)
653 : {
654 0 : *dst = strdup(src);
655 0 : if (*dst == NULL)
656 0 : return ENOMEM;
657 :
658 0 : return 0;
659 : }
660 :
661 : static void
662 790 : free_string_ptr(char *s)
663 : {
664 790 : free(s);
665 790 : }
666 :
667 : static krb5_error_code
668 0 : copy_Principal_ptr(krb5_const_principal src, krb5_principal *dst)
669 : {
670 0 : krb5_error_code ret;
671 0 : krb5_principal p;
672 :
673 0 : *dst = NULL;
674 :
675 0 : p = calloc(1, sizeof(*p));
676 0 : if (p == NULL)
677 0 : return ENOMEM;
678 :
679 0 : ret = copy_Principal(src, p);
680 0 : if (ret == 0)
681 0 : *dst = p;
682 : else
683 0 : free(p);
684 :
685 0 : return ret;
686 : }
687 :
688 : static void
689 1580 : free_Principal_ptr(krb5_principal p)
690 : {
691 1580 : if (p) {
692 1580 : free_Principal(p);
693 1580 : free(p);
694 : }
695 1580 : }
696 :
697 : static krb5_error_code
698 0 : copy_pac(const struct krb5_pac_data *src, struct krb5_pac_data **dst)
699 : {
700 : /* FIXME use heim_copy() when it exists */
701 0 : *dst = (krb5_pac)heim_retain((heim_object_t)src);
702 0 : return 0;
703 : }
704 :
705 : static void
706 790 : free_pac(struct krb5_pac_data *o)
707 : {
708 790 : heim_release(o);
709 790 : }
710 :
711 : static krb5_error_code
712 0 : copy_keyblock(const EncryptionKey *src, EncryptionKey *dst)
713 : {
714 0 : return copy_EncryptionKey(src, dst);
715 : }
716 :
717 : static void
718 0 : free_keyblock(EncryptionKey *key)
719 : {
720 0 : krb5_free_keyblock_contents(NULL, key);
721 0 : }
722 :
723 : #undef HEIMDAL_KDC_KDC_ACCESSORS_H
724 : #include "kdc-accessors.h"
725 :
726 : #undef _KDC_REQUEST_GET_ACCESSOR
727 : #undef _KDC_REQUEST_SET_ACCESSOR
728 :
729 : #undef _KDC_REQUEST_GET_ACCESSOR_PTR
730 : #undef _KDC_REQUEST_SET_ACCESSOR_PTR
731 : #define _KDC_REQUEST_SET_ACCESSOR_PTR(R, T, t, f) \
732 : void \
733 : _kdc_request_set_ ## f ## _nocopy(R r, T *v) \
734 : { \
735 : if (*v != r->f) { \
736 : free_##t(r->f); \
737 : r->f = *v; \
738 : } \
739 : *v = NULL; \
740 : }
741 :
742 : #undef _KDC_REQUEST_GET_ACCESSOR_STRUCT
743 : #undef _KDC_REQUEST_SET_ACCESSOR_STRUCT
744 : #define _KDC_REQUEST_SET_ACCESSOR_STRUCT(R, T, t, f) \
745 : void \
746 : _kdc_request_set_ ## f ## _nocopy(R r, T *v) \
747 : { \
748 : if (v != &r->f) { \
749 : free_##t(&r->f); \
750 : r->f = *v; \
751 : } \
752 : memset(v, 0, sizeof(*v)); \
753 : }
754 :
755 : #undef HEIMDAL_KDC_KDC_ACCESSORS_H
756 : #include "kdc-accessors.h"
757 :
758 : KDC_LIB_FUNCTION const HDB * KDC_LIB_CALL
759 0 : kdc_request_get_explicit_armor_clientdb(astgs_request_t r)
760 : {
761 0 : return r->explicit_armor_present ? r->armor_clientdb : NULL;
762 : }
763 :
764 : KDC_LIB_FUNCTION const hdb_entry * KDC_LIB_CALL
765 0 : kdc_request_get_explicit_armor_client(astgs_request_t r)
766 : {
767 0 : return r->explicit_armor_present ? r->armor_client : NULL;
768 : }
769 :
770 : KDC_LIB_FUNCTION const hdb_entry * KDC_LIB_CALL
771 0 : kdc_request_get_explicit_armor_server(astgs_request_t r)
772 : {
773 0 : return r->explicit_armor_present ? r->armor_server : NULL;
774 : }
775 :
776 : KDC_LIB_FUNCTION krb5_const_pac KDC_LIB_CALL
777 0 : kdc_request_get_explicit_armor_pac(astgs_request_t r)
778 : {
779 0 : return r->explicit_armor_present ? r->armor_pac : NULL;
780 : }
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