The Tor Browser / file comparison
comparison: security/nss/lib/ckfw/dbm/find.c
security/nss/lib/ckfw/dbm/find.c
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a9f46ee87258 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "ckdbm.h" | |
| 6 | |
| 7 static void | |
| 8 nss_dbm_mdFindObjects_Final | |
| 9 ( | |
| 10 NSSCKMDFindObjects *mdFindObjects, | |
| 11 NSSCKFWFindObjects *fwFindObjects, | |
| 12 NSSCKMDSession *mdSession, | |
| 13 NSSCKFWSession *fwSession, | |
| 14 NSSCKMDToken *mdToken, | |
| 15 NSSCKFWToken *fwToken, | |
| 16 NSSCKMDInstance *mdInstance, | |
| 17 NSSCKFWInstance *fwInstance | |
| 18 ) | |
| 19 { | |
| 20 nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc; | |
| 21 | |
| 22 /* Locks might have system resources associated */ | |
| 23 (void)NSSCKFWMutex_Destroy(find->list_lock); | |
| 24 (void)NSSArena_Destroy(find->arena); | |
| 25 } | |
| 26 | |
| 27 | |
| 28 static NSSCKMDObject * | |
| 29 nss_dbm_mdFindObjects_Next | |
| 30 ( | |
| 31 NSSCKMDFindObjects *mdFindObjects, | |
| 32 NSSCKFWFindObjects *fwFindObjects, | |
| 33 NSSCKMDSession *mdSession, | |
| 34 NSSCKFWSession *fwSession, | |
| 35 NSSCKMDToken *mdToken, | |
| 36 NSSCKFWToken *fwToken, | |
| 37 NSSCKMDInstance *mdInstance, | |
| 38 NSSCKFWInstance *fwInstance, | |
| 39 NSSArena *arena, | |
| 40 CK_RV *pError | |
| 41 ) | |
| 42 { | |
| 43 nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc; | |
| 44 struct nss_dbm_dbt_node *node; | |
| 45 nss_dbm_object_t *object; | |
| 46 NSSCKMDObject *rv; | |
| 47 | |
| 48 while(1) { | |
| 49 /* Lock */ | |
| 50 { | |
| 51 *pError = NSSCKFWMutex_Lock(find->list_lock); | |
| 52 if( CKR_OK != *pError ) { | |
| 53 return (NSSCKMDObject *)NULL; | |
| 54 } | |
| 55 | |
| 56 node = find->found; | |
| 57 if( (struct nss_dbm_dbt_node *)NULL != node ) { | |
| 58 find->found = node->next; | |
| 59 } | |
| 60 | |
| 61 *pError = NSSCKFWMutex_Unlock(find->list_lock); | |
| 62 if( CKR_OK != *pError ) { | |
| 63 /* screwed now */ | |
| 64 return (NSSCKMDObject *)NULL; | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 if( (struct nss_dbm_dbt_node *)NULL == node ) { | |
| 69 break; | |
| 70 } | |
| 71 | |
| 72 if( nss_dbm_db_object_still_exists(node->dbt) ) { | |
| 73 break; | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 if( (struct nss_dbm_dbt_node *)NULL == node ) { | |
| 78 *pError = CKR_OK; | |
| 79 return (NSSCKMDObject *)NULL; | |
| 80 } | |
| 81 | |
| 82 object = nss_ZNEW(arena, nss_dbm_object_t); | |
| 83 if( (nss_dbm_object_t *)NULL == object ) { | |
| 84 *pError = CKR_HOST_MEMORY; | |
| 85 return (NSSCKMDObject *)NULL; | |
| 86 } | |
| 87 | |
| 88 object->arena = arena; | |
| 89 object->handle = nss_ZNEW(arena, nss_dbm_dbt_t); | |
| 90 if( (nss_dbm_dbt_t *)NULL == object->handle ) { | |
| 91 *pError = CKR_HOST_MEMORY; | |
| 92 return (NSSCKMDObject *)NULL; | |
| 93 } | |
| 94 | |
| 95 object->handle->my_db = node->dbt->my_db; | |
| 96 object->handle->dbt.size = node->dbt->dbt.size; | |
| 97 object->handle->dbt.data = nss_ZAlloc(arena, node->dbt->dbt.size); | |
| 98 if( (void *)NULL == object->handle->dbt.data ) { | |
| 99 *pError = CKR_HOST_MEMORY; | |
| 100 return (NSSCKMDObject *)NULL; | |
| 101 } | |
| 102 | |
| 103 (void)memcpy(object->handle->dbt.data, node->dbt->dbt.data, node->dbt->dbt.size); | |
| 104 | |
| 105 rv = nss_dbm_mdObject_factory(object, pError); | |
| 106 if( (NSSCKMDObject *)NULL == rv ) { | |
| 107 return (NSSCKMDObject *)NULL; | |
| 108 } | |
| 109 | |
| 110 return rv; | |
| 111 } | |
| 112 | |
| 113 NSS_IMPLEMENT NSSCKMDFindObjects * | |
| 114 nss_dbm_mdFindObjects_factory | |
| 115 ( | |
| 116 nss_dbm_find_t *find, | |
| 117 CK_RV *pError | |
| 118 ) | |
| 119 { | |
| 120 NSSCKMDFindObjects *rv; | |
| 121 | |
| 122 rv = nss_ZNEW(find->arena, NSSCKMDFindObjects); | |
| 123 if( (NSSCKMDFindObjects *)NULL == rv ) { | |
| 124 *pError = CKR_HOST_MEMORY; | |
| 125 return (NSSCKMDFindObjects *)NULL; | |
| 126 } | |
| 127 | |
| 128 rv->etc = (void *)find; | |
| 129 rv->Final = nss_dbm_mdFindObjects_Final; | |
| 130 rv->Next = nss_dbm_mdFindObjects_Next; | |
| 131 | |
| 132 return rv; | |
| 133 } |
