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lightning-sunbird  0.9+nobinonly
Functions
session.c File Reference
#include "ckdbm.h"

Go to the source code of this file.

Functions

static void nss_dbm_mdSession_Close (NSSCKMDSession *mdSession, NSSCKFWSession *fwSession, NSSCKMDToken *mdToken, NSSCKFWToken *fwToken, NSSCKMDInstance *mdInstance, NSSCKFWInstance *fwInstance)
static CK_ULONG nss_dbm_mdSession_GetDeviceError (NSSCKMDSession *mdSession, NSSCKFWSession *fwSession, NSSCKMDToken *mdToken, NSSCKFWToken *fwToken, NSSCKMDInstance *mdInstance, NSSCKFWInstance *fwInstance)
static NSSCKMDObject * nss_dbm_mdSession_CreateObject (NSSCKMDSession *mdSession, NSSCKFWSession *fwSession, NSSCKMDToken *mdToken, NSSCKFWToken *fwToken, NSSCKMDInstance *mdInstance, NSSCKFWInstance *fwInstance, NSSArena *handyArenaPointer, CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount, CK_RV *pError)
static NSSCKMDFindObjects * nss_dbm_mdSession_FindObjectsInit (NSSCKMDSession *mdSession, NSSCKFWSession *fwSession, NSSCKMDToken *mdToken, NSSCKFWToken *fwToken, NSSCKMDInstance *mdInstance, NSSCKFWInstance *fwInstance, CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount, CK_RV *pError)
NSS_IMPLEMENT NSSCKMDSession * nss_dbm_mdSession_factory (nss_dbm_token_t *token, NSSCKFWSession *fwSession, NSSCKFWInstance *fwInstance, CK_BBOOL rw, CK_RV *pError)

Function Documentation

static void nss_dbm_mdSession_Close ( NSSCKMDSession *  mdSession,
NSSCKFWSession *  fwSession,
NSSCKMDToken *  mdToken,
NSSCKFWToken *  fwToken,
NSSCKMDInstance *  mdInstance,
NSSCKFWInstance *  fwInstance 
) [static]

Definition at line 45 of file session.c.

{
  nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;

  struct nss_dbm_dbt_node *w;

  /* Lock */
  {
    if( CKR_OK != NSSCKFWMutex_Lock(session->list_lock) ) {
      return;
    }

    w = session->session_objects;
    session->session_objects = (struct nss_dbm_dbt_node *)NULL; /* sanity */
    
    (void)NSSCKFWMutex_Unlock(session->list_lock);
  }

  for( ; (struct nss_dbm_dbt_node *)NULL != w; w = w->next ) {
    (void)nss_dbm_db_delete_object(w->dbt);
  }
}

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static NSSCKMDObject* nss_dbm_mdSession_CreateObject ( NSSCKMDSession *  mdSession,
NSSCKFWSession *  fwSession,
NSSCKMDToken *  mdToken,
NSSCKFWToken *  fwToken,
NSSCKMDInstance *  mdInstance,
NSSCKFWInstance *  fwInstance,
NSSArena *  handyArenaPointer,
CK_ATTRIBUTE_PTR  pTemplate,
CK_ULONG  ulAttributeCount,
CK_RV pError 
) [static]

Definition at line 100 of file session.c.

{
  nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
  nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
  CK_ULONG i;
  CK_BBOOL isToken = CK_FALSE; /* defaults to false */
  NSSCKMDObject *rv;
  struct nss_dbm_dbt_node *node = (struct nss_dbm_dbt_node *)NULL;
  nss_dbm_object_t *object;
  nss_dbm_db_t *which_db;

  /* This framework should really pass this to me */
  for( i = 0; i < ulAttributeCount; i++ ) {
    if( CKA_TOKEN == pTemplate[i].type ) {
      isToken = *(CK_BBOOL *)pTemplate[i].pValue;
      break;
    }
  }

  object = nss_ZNEW(handyArenaPointer, nss_dbm_object_t);
  if( (nss_dbm_object_t *)NULL == object ) {
    *pError = CKR_HOST_MEMORY;
    return (NSSCKMDObject *)NULL;
  }

  object->arena = handyArenaPointer;
  which_db = isToken ? token->slot->token_db : token->session_db;

  /* Do this before the actual database call; it's easier to recover from */
  rv = nss_dbm_mdObject_factory(object, pError);
  if( (NSSCKMDObject *)NULL == rv ) {
    return (NSSCKMDObject *)NULL;
  }

  if( CK_FALSE == isToken ) {
    node = nss_ZNEW(session->arena, struct nss_dbm_dbt_node);
    if( (struct nss_dbm_dbt_node *)NULL == node ) {
      *pError = CKR_HOST_MEMORY;
      return (NSSCKMDObject *)NULL;
    }
  }

  object->handle = nss_dbm_db_create_object(handyArenaPointer, which_db, 
                                            pTemplate, ulAttributeCount,
                                            pError, &session->deviceError);
  if( (nss_dbm_dbt_t *)NULL == object->handle ) {
    return (NSSCKMDObject *)NULL;
  }

  if( CK_FALSE == isToken ) {
    node->dbt = object->handle;
    /* Lock */
    {
      *pError = NSSCKFWMutex_Lock(session->list_lock);
      if( CKR_OK != *pError ) {
        (void)nss_dbm_db_delete_object(object->handle);
        return (NSSCKMDObject *)NULL;
      }
      
      node->next = session->session_objects;
      session->session_objects = node;
      
      *pError = NSSCKFWMutex_Unlock(session->list_lock);
    }
  }

  return rv;
}

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NSS_IMPLEMENT NSSCKMDSession* nss_dbm_mdSession_factory ( nss_dbm_token_t *  token,
NSSCKFWSession *  fwSession,
NSSCKFWInstance *  fwInstance,
CK_BBOOL  rw,
CK_RV pError 
)

Definition at line 252 of file session.c.

{
  NSSArena *arena;
  nss_dbm_session_t *session;
  NSSCKMDSession *rv;

  arena = NSSCKFWSession_GetArena(fwSession, pError);

  session = nss_ZNEW(arena, nss_dbm_session_t);
  if( (nss_dbm_session_t *)NULL == session ) {
    *pError = CKR_HOST_MEMORY;
    return (NSSCKMDSession *)NULL;
  }

  rv = nss_ZNEW(arena, NSSCKMDSession);
  if( (NSSCKMDSession *)NULL == rv ) {
    *pError = CKR_HOST_MEMORY;
    return (NSSCKMDSession *)NULL;
  }

  session->arena = arena;
  session->token = token;
  session->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
  if( (NSSCKFWMutex *)NULL == session->list_lock ) {
    return (NSSCKMDSession *)NULL;
  }

  rv->etc = (void *)session;
  rv->Close = nss_dbm_mdSession_Close;
  rv->GetDeviceError = nss_dbm_mdSession_GetDeviceError;
  /*  Login isn't needed */
  /*  Logout isn't needed */
  /*  InitPIN is irrelevant */
  /*  SetPIN is irrelevant */
  /*  GetOperationStateLen is irrelevant */
  /*  GetOperationState is irrelevant */
  /*  SetOperationState is irrelevant */
  rv->CreateObject = nss_dbm_mdSession_CreateObject;
  /*  CopyObject isn't needed; the framework will use CreateObject */
  rv->FindObjectsInit = nss_dbm_mdSession_FindObjectsInit;
  rv->null = NULL;

  return rv;
}

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static NSSCKMDFindObjects* nss_dbm_mdSession_FindObjectsInit ( NSSCKMDSession *  mdSession,
NSSCKFWSession *  fwSession,
NSSCKMDToken *  mdToken,
NSSCKFWToken *  fwToken,
NSSCKMDInstance *  mdInstance,
NSSCKFWInstance *  fwInstance,
CK_ATTRIBUTE_PTR  pTemplate,
CK_ULONG  ulAttributeCount,
CK_RV pError 
) [static]

Definition at line 184 of file session.c.

{
  nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
  nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
  NSSArena *arena;
  nss_dbm_find_t *find;
  NSSCKMDFindObjects *rv;

  arena = NSSArena_Create();
  if( (NSSArena *)NULL == arena ) {
    *pError = CKR_HOST_MEMORY;
    goto loser;
  }

  find = nss_ZNEW(arena, nss_dbm_find_t);
  if( (nss_dbm_find_t *)NULL == find ) {
    *pError = CKR_HOST_MEMORY;
    goto loser;
  }

  find->arena = arena;
  find->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
  if( (NSSCKFWMutex *)NULL == find->list_lock ) {
    goto loser;
  }

  *pError = nss_dbm_db_find_objects(find, token->slot->token_db, pTemplate, 
                                    ulAttributeCount, &session->deviceError);
  if( CKR_OK != *pError ) {
    goto loser;
  }

  *pError = nss_dbm_db_find_objects(find, token->session_db, pTemplate, 
                                    ulAttributeCount, &session->deviceError);
  if( CKR_OK != *pError ) {
    goto loser;
  }

  rv = nss_dbm_mdFindObjects_factory(find, pError);
  if( (NSSCKMDFindObjects *)NULL == rv ) {
    goto loser;
  }

  return rv;

 loser:
  if( (NSSArena *)NULL != arena ) {
    (void)NSSArena_Destroy(arena);
  }

  return (NSSCKMDFindObjects *)NULL;
}

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static CK_ULONG nss_dbm_mdSession_GetDeviceError ( NSSCKMDSession *  mdSession,
NSSCKFWSession *  fwSession,
NSSCKMDToken *  mdToken,
NSSCKFWToken *  fwToken,
NSSCKMDInstance *  mdInstance,
NSSCKFWInstance *  fwInstance 
) [static]

Definition at line 77 of file session.c.

{
  nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
  return session->deviceError;
}

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