The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/security/nss/lib/ckfw/dbm/find.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,133 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "ckdbm.h"
     1.9 +
    1.10 +static void
    1.11 +nss_dbm_mdFindObjects_Final
    1.12 +(
    1.13 +  NSSCKMDFindObjects *mdFindObjects,
    1.14 +  NSSCKFWFindObjects *fwFindObjects,
    1.15 +  NSSCKMDSession *mdSession,
    1.16 +  NSSCKFWSession *fwSession,
    1.17 +  NSSCKMDToken *mdToken,
    1.18 +  NSSCKFWToken *fwToken,
    1.19 +  NSSCKMDInstance *mdInstance,
    1.20 +  NSSCKFWInstance *fwInstance
    1.21 +)
    1.22 +{
    1.23 +  nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
    1.24 +
    1.25 +  /* Locks might have system resources associated */
    1.26 +  (void)NSSCKFWMutex_Destroy(find->list_lock);
    1.27 +  (void)NSSArena_Destroy(find->arena);
    1.28 +}
    1.29 +
    1.30 +
    1.31 +static NSSCKMDObject *
    1.32 +nss_dbm_mdFindObjects_Next
    1.33 +(
    1.34 +  NSSCKMDFindObjects *mdFindObjects,
    1.35 +  NSSCKFWFindObjects *fwFindObjects,
    1.36 +  NSSCKMDSession *mdSession,
    1.37 +  NSSCKFWSession *fwSession,
    1.38 +  NSSCKMDToken *mdToken,
    1.39 +  NSSCKFWToken *fwToken,
    1.40 +  NSSCKMDInstance *mdInstance,
    1.41 +  NSSCKFWInstance *fwInstance,
    1.42 +  NSSArena *arena,
    1.43 +  CK_RV *pError
    1.44 +)
    1.45 +{
    1.46 +  nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
    1.47 +  struct nss_dbm_dbt_node *node;
    1.48 +  nss_dbm_object_t *object;
    1.49 +  NSSCKMDObject *rv;
    1.50 +
    1.51 +  while(1) {
    1.52 +    /* Lock */
    1.53 +    {
    1.54 +      *pError = NSSCKFWMutex_Lock(find->list_lock);
    1.55 +      if( CKR_OK != *pError ) {
    1.56 +        return (NSSCKMDObject *)NULL;
    1.57 +      }
    1.58 +      
    1.59 +      node = find->found;
    1.60 +      if( (struct nss_dbm_dbt_node *)NULL != node ) {
    1.61 +        find->found = node->next;
    1.62 +      }
    1.63 +      
    1.64 +      *pError = NSSCKFWMutex_Unlock(find->list_lock);
    1.65 +      if( CKR_OK != *pError ) {
    1.66 +        /* screwed now */
    1.67 +        return (NSSCKMDObject *)NULL;
    1.68 +      }
    1.69 +    }
    1.70 +
    1.71 +    if( (struct nss_dbm_dbt_node *)NULL == node ) {
    1.72 +      break;
    1.73 +    }
    1.74 +
    1.75 +    if( nss_dbm_db_object_still_exists(node->dbt) ) {
    1.76 +      break;
    1.77 +    }
    1.78 +  }
    1.79 +
    1.80 +  if( (struct nss_dbm_dbt_node *)NULL == node ) {
    1.81 +    *pError = CKR_OK;
    1.82 +    return (NSSCKMDObject *)NULL;
    1.83 +  }
    1.84 +
    1.85 +  object = nss_ZNEW(arena, nss_dbm_object_t);
    1.86 +  if( (nss_dbm_object_t *)NULL == object ) {
    1.87 +    *pError = CKR_HOST_MEMORY;
    1.88 +    return (NSSCKMDObject *)NULL;
    1.89 +  }
    1.90 +
    1.91 +  object->arena = arena;
    1.92 +  object->handle = nss_ZNEW(arena, nss_dbm_dbt_t);
    1.93 +  if( (nss_dbm_dbt_t *)NULL == object->handle ) {
    1.94 +    *pError = CKR_HOST_MEMORY;
    1.95 +    return (NSSCKMDObject *)NULL;
    1.96 +  }
    1.97 +
    1.98 +  object->handle->my_db = node->dbt->my_db;
    1.99 +  object->handle->dbt.size = node->dbt->dbt.size;
   1.100 +  object->handle->dbt.data = nss_ZAlloc(arena, node->dbt->dbt.size);
   1.101 +  if( (void *)NULL == object->handle->dbt.data ) {
   1.102 +    *pError = CKR_HOST_MEMORY;
   1.103 +    return (NSSCKMDObject *)NULL;
   1.104 +  }
   1.105 +
   1.106 +  (void)memcpy(object->handle->dbt.data, node->dbt->dbt.data, node->dbt->dbt.size);
   1.107 +
   1.108 +  rv = nss_dbm_mdObject_factory(object, pError);
   1.109 +  if( (NSSCKMDObject *)NULL == rv ) {
   1.110 +    return (NSSCKMDObject *)NULL;
   1.111 +  }
   1.112 +
   1.113 +  return rv;
   1.114 +}
   1.115 +
   1.116 +NSS_IMPLEMENT NSSCKMDFindObjects *
   1.117 +nss_dbm_mdFindObjects_factory
   1.118 +(
   1.119 +  nss_dbm_find_t *find,
   1.120 +  CK_RV *pError
   1.121 +)
   1.122 +{
   1.123 +  NSSCKMDFindObjects *rv;
   1.124 +
   1.125 +  rv = nss_ZNEW(find->arena, NSSCKMDFindObjects);
   1.126 +  if( (NSSCKMDFindObjects *)NULL == rv ) {
   1.127 +    *pError = CKR_HOST_MEMORY;
   1.128 +    return (NSSCKMDFindObjects *)NULL;
   1.129 +  }
   1.130 +
   1.131 +  rv->etc = (void *)find;
   1.132 +  rv->Final = nss_dbm_mdFindObjects_Final;
   1.133 +  rv->Next = nss_dbm_mdFindObjects_Next;
   1.134 +
   1.135 +  return rv;
   1.136 +}