5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 2005 - 2007 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
23 /************************** Types and definitions ***************************/
25 /* Search constraints */
27 SILC_SKR_FIND_PKCS_TYPE,
28 SILC_SKR_FIND_USERNAME,
30 SILC_SKR_FIND_REALNAME,
33 SILC_SKR_FIND_COUNTRY,
34 SILC_SKR_FIND_PUBLIC_KEY,
35 SILC_SKR_FIND_CONTEXT,
36 SILC_SKR_FIND_USAGE, /* Never added as key specific */
39 /* Hash table key context */
41 SilcSKRFindType type; /* Type of key */
42 void *data; /* Hash table key */
43 } *SilcSKREntry, SilcSKREntryStruct;
45 /* Foreach user context when finding entries from hash table */
49 SilcSKRKeyUsage usage;
52 #if defined(SILC_DEBUG)
53 static const char *find_name[] = {
66 #endif /* SILC_DEBUG */
68 /************************ Static utility functions **************************/
70 #if defined(SILC_DEBUG)
72 /* Returns search constraint string */
74 static void silc_skr_type_string(SilcSKRFindType type, void *data,
75 char *retbuf, SilcUInt32 retbuf_size)
78 case SILC_SKR_FIND_PKCS_TYPE:
79 case SILC_SKR_FIND_USAGE:
80 silc_snprintf(retbuf, retbuf_size, "[%s] [%d]", find_name[type],
81 (int)SILC_PTR_TO_32(data));
84 case SILC_SKR_FIND_PUBLIC_KEY:
85 case SILC_SKR_FIND_CONTEXT:
86 silc_snprintf(retbuf, retbuf_size, "[%s] [%p]", find_name[type], data);
90 silc_snprintf(retbuf, retbuf_size, "[%s] [%s]", find_name[type],
94 #endif /* SILC_DEBUG */
96 /* Hash table destructor for search constraints */
98 static void silc_skr_find_destructor(void *key, void *context,
101 SilcSKRFindType type = SILC_PTR_TO_32(key);
102 SilcPKCSType pkcs_type = SILC_PTR_TO_32(user_context);
105 case SILC_SKR_FIND_PKCS_TYPE:
106 case SILC_SKR_FIND_USAGE:
107 case SILC_SKR_FIND_CONTEXT:
110 case SILC_SKR_FIND_PUBLIC_KEY:
111 silc_pkcs_public_key_free(context);
115 /* In SILC Public key all entries are referenced from the public key
116 so don't free them. This test is valid only when removing key
117 from the repository. */
118 if (pkcs_type == SILC_PKCS_SILC)
125 /* Hash table destructor for key entries */
127 static void silc_skr_destructor(void *key, void *context, void *user_context)
129 SilcSKREntry type = key;
130 SilcSKRKeyInternal entry = context;
131 SilcPKCSType pkcs_type = silc_pkcs_get_type(entry->key.key);
133 /* Destroy search data, except for SILC_SKR_FIND_PUBLIC_KEY because it
134 shares same context with the key entry. */
135 if (SILC_PTR_TO_32(type->type) != SILC_SKR_FIND_PUBLIC_KEY)
136 silc_skr_find_destructor(SILC_32_TO_PTR(type->type), type->data,
137 SILC_32_TO_PTR(pkcs_type));
142 if (entry->refcnt > 0)
145 SILC_LOG_DEBUG(("Freeing public key %p", entry->key.key));
147 silc_pkcs_public_key_free(entry->key.key);
151 /* Hash table hash function for key entries */
153 static SilcUInt32 silc_skr_hash(void *key, void *user_context)
155 SilcSKREntry type = key;
157 switch (type->type) {
158 case SILC_SKR_FIND_PKCS_TYPE:
159 case SILC_SKR_FIND_CONTEXT:
160 return type->type + (type->type ^ SILC_PTR_TO_32(type->data));
163 case SILC_SKR_FIND_PUBLIC_KEY:
164 return type->type + silc_hash_public_key(type->data, user_context);
171 return type->type + silc_hash_string(type->data, user_context);
174 /* Hash table comparison function for key entries */
176 static SilcBool silc_skr_compare(void *key1, void *key2, void *user_context)
178 SilcSKREntry type1 = key1;
179 SilcSKREntry type2 = key2;
181 if (type1->type != type2->type)
184 switch (type1->type) {
185 case SILC_SKR_FIND_PKCS_TYPE:
186 case SILC_SKR_FIND_CONTEXT:
187 return type1->data == type2->data;
190 case SILC_SKR_FIND_PUBLIC_KEY:
191 return silc_hash_public_key_compare(type1->data, type2->data,
199 return silc_utf8_strcasecmp((const char *)type1->data,
200 (const char *)type2->data);
203 /* Foreach function for finding entries in the repository */
205 static void silc_skr_find_foreach(void *key, void *context,
208 SilcSKRFindForeach *f = user_context;
209 SilcSKRKeyInternal k = context;
212 /* If key context is present, it must match the context in the key.
213 This is used only internally when adding keys, to check if the key
214 is added with same context. */
215 if (f->key_context && f->key_context != k->key.key_context)
218 /* Check for usage bits. At least one usage bit must be set. */
219 if (f->usage && k->key.usage && (f->usage & k->key.usage) == 0)
222 silc_dlist_add(f->list, k);
226 /* Finds entry from repository by search constraint type and data */
228 static SilcBool silc_skr_find_entry(SilcSKR skr,
229 SilcSKRStatus *status,
230 SilcSKRFindType type,
234 SilcSKRKeyUsage usage)
236 SilcSKREntryStruct find;
237 SilcSKRFindForeach f;
239 f.list = silc_dlist_init();
241 *status |= SILC_SKR_NO_MEMORY;
244 f.key_context = key_context;
248 find.data = type_data;
250 silc_hash_table_find_foreach(skr->keys, (void *)&find,
251 silc_skr_find_foreach, &f);
253 if (!silc_dlist_count(f.list)) {
254 *status |= SILC_SKR_NOT_FOUND;
255 silc_dlist_uninit(f.list);
262 silc_dlist_uninit(f.list);
267 /* Add a key by search constraint type to repository */
269 static SilcBool silc_skr_add_entry(SilcSKR skr, SilcSKRFindType type,
270 void *type_data, SilcSKRKeyInternal key)
274 #if defined(SILC_DEBUG)
276 memset(tmp, 0, sizeof(tmp));
277 silc_skr_type_string(type, type_data, tmp, sizeof(tmp) - 1);
278 SILC_LOG_DEBUG(("Search constraint %s", tmp));
279 #endif /* SILC_DEBUG */
281 entry = silc_calloc(1, sizeof(*entry));
286 entry->data = type_data;
288 return silc_hash_table_add(skr->keys, entry, key);
291 /* Delete a key by search constraint type from repository */
293 static SilcBool silc_skr_del_entry(SilcSKR skr, SilcSKRFindType type,
294 void *type_data, SilcSKRKeyInternal key)
296 SilcSKREntryStruct entry;
302 entry.data = type_data;
304 return silc_hash_table_del_by_context(skr->keys, &entry, key);
307 /* This performs AND operation. Any entry already in `results' that is not
308 in `list' will be removed from `results'. */
310 static SilcBool silc_skr_results_and(SilcDList list, SilcSKRStatus *status,
313 SilcSKRKeyInternal entry, r;
315 if (*results == NULL) {
316 *results = silc_dlist_init();
317 if (*results == NULL) {
318 *status |= SILC_SKR_NO_MEMORY;
323 /* If results is empty, just add all entries from list to results */
324 if (!silc_dlist_count(*results)) {
325 silc_dlist_start(list);
326 while ((entry = silc_dlist_get(list)) != SILC_LIST_END)
327 silc_dlist_add(*results, entry);
332 silc_dlist_start(*results);
333 while ((entry = silc_dlist_get(*results)) != SILC_LIST_END) {
335 /* Check if this entry is in list */
336 silc_dlist_start(list);
337 while ((r = silc_dlist_get(list)) != SILC_LIST_END) {
341 if (r != SILC_LIST_END)
344 /* Remove from results */
345 silc_dlist_del(*results, entry);
348 /* If results became empty, we did not find any key */
349 if (!silc_dlist_count(*results)) {
350 SILC_LOG_DEBUG(("Not all search constraints found"));
351 *status |= SILC_SKR_NOT_FOUND;
359 /***************************** SILC Public Key ******************************/
361 /* Add SILC style public key to repository */
363 static SilcSKRStatus silc_skr_add_silc(SilcSKR skr,
364 SilcPublicKey public_key,
365 SilcSKRKeyUsage usage,
367 SilcSKRKey *return_key)
369 SilcSKRKeyInternal key;
370 SilcSKRStatus status = SILC_SKR_ERROR;
371 SilcPublicKeyIdentifier ident;
372 SilcSILCPublicKey silc_pubkey;
373 #if defined(SILC_DEBUG)
375 #endif /* SILC_DEBUG */
377 /* Get the SILC public key */
378 silc_pubkey = silc_pkcs_public_key_get_pkcs(SILC_PKCS_SILC, public_key);
379 ident = &silc_pubkey->identifier;
381 SILC_LOG_DEBUG(("Adding SILC public key %p [%s], context %p",
382 public_key, ident->username, key_context));
384 silc_mutex_lock(skr->lock);
386 /* Check that this key hasn't been added already */
387 if (silc_skr_find_entry(skr, &status, SILC_SKR_FIND_PUBLIC_KEY,
388 public_key, NULL, key_context, 0)) {
389 silc_mutex_unlock(skr->lock);
390 SILC_LOG_DEBUG(("Key already added"));
391 return status | SILC_SKR_ALREADY_EXIST;
394 /* Allocate key entry */
395 key = silc_calloc(1, sizeof(*key));
397 silc_mutex_unlock(skr->lock);
398 return status | SILC_SKR_NO_MEMORY;
401 key->key.usage = usage;
402 key->key.key = public_key;
403 key->key.key_context = key_context;
405 #if defined(SILC_DEBUG)
406 silc_skr_type_string(SILC_SKR_FIND_USAGE, SILC_32_TO_PTR(usage),
407 tmp, sizeof(tmp) - 1);
408 SILC_LOG_DEBUG((" Search constraint %s", tmp));
409 #endif /* SILC_DEBUG */
411 /* Add key specifics */
413 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_PUBLIC_KEY,
418 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_PKCS_TYPE,
419 SILC_32_TO_PTR(SILC_PKCS_SILC), key))
423 if (ident->username) {
424 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_USERNAME,
425 ident->username, key))
431 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_HOST,
437 if (ident->realname) {
438 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_REALNAME,
439 ident->realname, key))
445 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_EMAIL,
452 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_ORG,
458 if (ident->country) {
459 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_COUNTRY,
460 ident->country, key))
466 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_CONTEXT,
472 silc_mutex_unlock(skr->lock);
475 *return_key = (SilcSKRKey)key;
480 silc_mutex_unlock(skr->lock);
484 /* Add SILC style public key to repository, and only the public key, not
485 other details from the key. */
487 static SilcSKRStatus silc_skr_add_silc_simple(SilcSKR skr,
488 SilcPublicKey public_key,
489 SilcSKRKeyUsage usage,
491 SilcSKRKey *return_key)
493 SilcSKRKeyInternal key;
494 SilcSKRStatus status = SILC_SKR_ERROR;
496 SILC_LOG_DEBUG(("Adding SILC public key"));
498 silc_mutex_lock(skr->lock);
500 /* Check that this key hasn't been added already */
501 if (silc_skr_find_entry(skr, &status, SILC_SKR_FIND_PUBLIC_KEY,
502 public_key, NULL, key_context, 0)) {
503 silc_mutex_unlock(skr->lock);
504 SILC_LOG_DEBUG(("Key already added"));
505 return status | SILC_SKR_ALREADY_EXIST;
508 /* Allocate key entry */
509 key = silc_calloc(1, sizeof(*key));
511 silc_mutex_unlock(skr->lock);
512 return status | SILC_SKR_NO_MEMORY;
515 key->key.usage = usage;
516 key->key.key = public_key;
517 key->key.key_context = key_context;
519 /* Add key specifics */
521 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_PUBLIC_KEY,
527 if (!silc_skr_add_entry(skr, SILC_SKR_FIND_CONTEXT,
533 silc_mutex_unlock(skr->lock);
536 *return_key = (SilcSKRKey)key;
541 silc_mutex_unlock(skr->lock);
545 /* Deletes SILC public key from repository */
547 static SilcSKRStatus silc_skr_del_silc_public_key(SilcSKR skr,
548 SilcPublicKey public_key,
551 SilcSKRStatus status = SILC_SKR_ERROR;
552 SilcPublicKeyIdentifier ident;
553 SilcSILCPublicKey silc_pubkey;
554 SilcSKRKeyInternal key;
557 /* Get the SILC public key */
558 silc_pubkey = silc_pkcs_public_key_get_pkcs(SILC_PKCS_SILC, public_key);
559 ident = &silc_pubkey->identifier;
561 SILC_LOG_DEBUG(("Deleting SILC public key [%s]", ident->username));
563 silc_mutex_lock(skr->lock);
565 /* Check that this key exists */
566 if (!silc_skr_find_entry(skr, &status, SILC_SKR_FIND_PUBLIC_KEY,
567 public_key, &entry, key_context, 0)) {
568 silc_mutex_unlock(skr->lock);
569 SILC_LOG_DEBUG(("Key does not exist"));
570 return status | SILC_SKR_NOT_FOUND;
573 silc_dlist_start(entry);
574 key = silc_dlist_get(entry);
575 silc_dlist_uninit(entry);
577 silc_skr_del_entry(skr, SILC_SKR_FIND_PUBLIC_KEY, public_key, key);
578 silc_skr_del_entry(skr, SILC_SKR_FIND_PKCS_TYPE,
579 SILC_32_TO_PTR(SILC_PKCS_SILC), key);
580 silc_skr_del_entry(skr, SILC_SKR_FIND_USERNAME, ident->username, key);
581 silc_skr_del_entry(skr, SILC_SKR_FIND_HOST, ident->host, key);
582 silc_skr_del_entry(skr, SILC_SKR_FIND_REALNAME, ident->realname, key);
583 silc_skr_del_entry(skr, SILC_SKR_FIND_EMAIL, ident->email, key);
584 silc_skr_del_entry(skr, SILC_SKR_FIND_ORG, ident->org, key);
585 silc_skr_del_entry(skr, SILC_SKR_FIND_COUNTRY, ident->country, key);
586 silc_skr_del_entry(skr, SILC_SKR_FIND_CONTEXT, key_context, key);
588 silc_mutex_unlock(skr->lock);
594 /**************************** Key Repository API ****************************/
596 /* Allocate key repository */
598 SilcSKR silc_skr_alloc(void)
602 skr = silc_calloc(1, sizeof(*skr));
606 if (!silc_skr_init(skr)) {
614 /* Free key repository */
616 void silc_skr_free(SilcSKR skr)
618 silc_skr_uninit(skr);
622 /* Initializes key repository */
624 SilcBool silc_skr_init(SilcSKR skr)
626 if (!silc_mutex_alloc(&skr->lock))
629 skr->keys = silc_hash_table_alloc(NULL, 0, silc_skr_hash, NULL,
630 silc_skr_compare, NULL,
631 silc_skr_destructor, NULL, TRUE);
638 /* Uninitializes key repository */
640 void silc_skr_uninit(SilcSKR skr)
643 silc_hash_table_free(skr->keys);
644 silc_mutex_free(skr->lock);
647 /* Adds public key to key repository */
649 SilcSKRStatus silc_skr_add_public_key(SilcSKR skr,
650 SilcPublicKey public_key,
651 SilcSKRKeyUsage usage,
653 SilcSKRKey *return_key)
658 return SILC_SKR_ERROR;
660 type = silc_pkcs_get_type(public_key);
662 SILC_LOG_DEBUG(("Adding public key %p to repository", public_key));
667 return silc_skr_add_silc(skr, public_key, usage, key_context, return_key);
674 return SILC_SKR_ERROR;
677 /* Adds public key to repository. */
679 SilcSKRStatus silc_skr_add_public_key_simple(SilcSKR skr,
680 SilcPublicKey public_key,
681 SilcSKRKeyUsage usage,
683 SilcSKRKey *return_key)
688 return SILC_SKR_ERROR;
690 type = silc_pkcs_get_type(public_key);
692 SILC_LOG_DEBUG(("Adding public key %p to repository", public_key));
697 return silc_skr_add_silc_simple(skr, public_key, usage, key_context,
705 return SILC_SKR_ERROR;
708 /* Remove key from repository */
710 SilcSKRStatus silc_skr_del_public_key(SilcSKR skr,
711 SilcPublicKey public_key,
717 return SILC_SKR_ERROR;
719 type = silc_pkcs_get_type(public_key);
721 SILC_LOG_DEBUG(("Deleting public key %p from repository", public_key));
726 return silc_skr_del_silc_public_key(skr, public_key, key_context);
733 return SILC_SKR_ERROR;
738 void silc_skr_ref_public_key(SilcSKR skr, SilcSKRKey key)
740 SilcSKRKeyInternal k = (SilcSKRKeyInternal)key;
742 silc_mutex_lock(skr->lock);
743 SILC_LOG_DEBUG(("SKR key %p ref %d -> %d", k->refcnt, k->refcnt + 1));
745 silc_mutex_unlock(skr->lock);
748 /* Release key reference. */
750 void silc_skr_unref_public_key(SilcSKR skr, SilcSKRKey key)
752 SilcSKRKeyInternal k = (SilcSKRKeyInternal)key;
754 silc_mutex_lock(skr->lock);
756 SILC_LOG_DEBUG(("SKR key %p ref %d -> %d", k->refcnt, k->refcnt - 1));
759 if (k->refcnt == 0) {
760 /* If reference is zero, the key has been removed from the repository
761 already. Just destroy the public key. */
762 silc_pkcs_public_key_free(key->key);
766 silc_mutex_unlock(skr->lock);
770 /************************** Search Constraints API **************************/
772 /* Allocate search constraints */
774 SilcSKRFind silc_skr_find_alloc(void)
778 find = silc_calloc(1, sizeof(*find));
782 find->constr = silc_hash_table_alloc(NULL, 0, silc_hash_uint,
784 silc_skr_find_destructor, NULL, TRUE);
786 silc_skr_find_free(find);
793 /* Free search constraints */
795 void silc_skr_find_free(SilcSKRFind find)
798 silc_hash_table_free(find->constr);
802 SilcBool silc_skr_find_set_pkcs_type(SilcSKRFind find, SilcPKCSType type)
804 return silc_hash_table_add(find->constr,
805 SILC_32_TO_PTR(SILC_SKR_FIND_PKCS_TYPE),
806 SILC_32_TO_PTR(type));
809 SilcBool silc_skr_find_set_username(SilcSKRFind find, const char *username)
811 void *c = silc_memdup(username, strlen(username));
814 return silc_hash_table_add(find->constr,
815 SILC_32_TO_PTR(SILC_SKR_FIND_USERNAME), c);
818 SilcBool silc_skr_find_set_host(SilcSKRFind find, const char *host)
820 void *c = silc_memdup(host, strlen(host));
823 return silc_hash_table_add(find->constr,
824 SILC_32_TO_PTR(SILC_SKR_FIND_HOST), c);
827 SilcBool silc_skr_find_set_realname(SilcSKRFind find, const char *realname)
829 void *c = silc_memdup(realname, strlen(realname));
832 return silc_hash_table_add(find->constr,
833 SILC_32_TO_PTR(SILC_SKR_FIND_REALNAME), c);
836 SilcBool silc_skr_find_set_email(SilcSKRFind find, const char *email)
838 void *c = silc_memdup(email, strlen(email));
841 return silc_hash_table_add(find->constr,
842 SILC_32_TO_PTR(SILC_SKR_FIND_EMAIL), c);
845 SilcBool silc_skr_find_set_org(SilcSKRFind find, const char *org)
847 void *c = silc_memdup(org, strlen(org));
850 return silc_hash_table_add(find->constr,
851 SILC_32_TO_PTR(SILC_SKR_FIND_ORG), c);
854 SilcBool silc_skr_find_set_country(SilcSKRFind find, const char *country)
856 void *c = silc_memdup(country, strlen(country));
859 return silc_hash_table_add(find->constr,
860 SILC_32_TO_PTR(SILC_SKR_FIND_COUNTRY), c);
863 SilcBool silc_skr_find_set_public_key(SilcSKRFind find,
864 SilcPublicKey public_key)
866 SilcPublicKey pk = silc_pkcs_public_key_copy(public_key);
869 return silc_hash_table_add(find->constr,
870 SILC_32_TO_PTR(SILC_SKR_FIND_PUBLIC_KEY), pk);
873 SilcBool silc_skr_find_set_context(SilcSKRFind find, void *context)
877 return silc_hash_table_add(find->constr,
878 SILC_32_TO_PTR(SILC_SKR_FIND_CONTEXT), context);
881 SilcBool silc_skr_find_set_usage(SilcSKRFind find, SilcSKRKeyUsage usage)
885 return silc_hash_table_add(find->constr,
886 SILC_32_TO_PTR(SILC_SKR_FIND_USAGE),
887 SILC_32_TO_PTR(usage));
890 /******************************** Search API ********************************/
892 /* Finds key(s) by the set search constraints. The callback will be called
893 once keys has been found. */
894 /* This is now synchronous function but may later change async */
896 SilcAsyncOperation silc_skr_find(SilcSKR skr, SilcSchedule schedule,
898 SilcSKRFindCallback callback,
899 void *callback_context)
901 SilcSKRStatus status = SILC_SKR_ERROR;
902 SilcHashTableList htl;
903 SilcDList list, results = NULL;
904 void *type, *ctx, *usage = NULL;
905 #if defined(SILC_DEBUG)
907 #endif /* SILC_DEBUG */
909 SILC_LOG_DEBUG(("Finding key from repository"));
911 if (!find || !callback)
914 silc_mutex_lock(skr->lock);
916 /* Get usage bits, if searching by them */
917 silc_hash_table_find(find->constr, SILC_32_TO_PTR(SILC_SKR_FIND_USAGE),
920 #if defined(SILC_DEBUG)
922 memset(tmp, 0, sizeof(tmp));
923 silc_skr_type_string(SILC_SKR_FIND_USAGE, usage, tmp, sizeof(tmp) - 1);
924 SILC_LOG_DEBUG(("Finding key by %s", tmp));
926 #endif /* SILC_DEBUG */
928 silc_hash_table_list(find->constr, &htl);
929 while (silc_hash_table_get(&htl, &type, &ctx)) {
931 /* SILC_SKR_FIND_USAGE is handled separately while searching the keys. */
932 if ((SilcSKRFindType)SILC_32_TO_PTR(type) == SILC_SKR_FIND_USAGE)
935 #if defined(SILC_DEBUG)
936 memset(tmp, 0, sizeof(tmp));
937 silc_skr_type_string((SilcSKRFindType)SILC_32_TO_PTR(type),
938 ctx, tmp, sizeof(tmp) - 1);
939 SILC_LOG_DEBUG(("Finding key by %s", tmp));
940 #endif /* SILC_DEBUG */
942 /* Find entries by this search constraint */
943 if (!silc_skr_find_entry(skr, &status,
944 (SilcSKRFindType)SILC_32_TO_PTR(type),
945 ctx, &list, NULL, SILC_PTR_TO_32(usage))) {
946 SILC_LOG_DEBUG(("Not found"));
948 silc_dlist_uninit(results);
954 /* For now, our logic rule is AND. All constraints must be found
955 to find the key. Later OR might be added also. */
956 if (!silc_skr_results_and(list, &status, &results)) {
957 SILC_LOG_DEBUG(("Not found"));
959 silc_dlist_uninit(results);
962 silc_dlist_uninit(list);
966 silc_dlist_uninit(list);
968 silc_hash_table_list_reset(&htl);
970 silc_mutex_unlock(skr->lock);
974 callback(skr, find, status, NULL, callback_context);
976 silc_dlist_start(results);
977 callback(skr, find, SILC_SKR_OK, results, callback_context);