CK_RV C_GetMechanismList(CK_SLOT_ID slotID,
CK_MECHANISM_TYPE_PTR pMechanismList,
CK_ULONG_PTR pulCount)
{
CK_RV ret;
log_trace(WHERE, "I: enter");
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
ret = p11_lock();
if (ret != CKR_OK)
{
log_trace(WHERE, "I: leave, p11_lock failed with %i",ret);
return ret;
}
log_trace(WHERE, "S: C_GetMechanismList(slot %d)", slotID);
ret = cal_get_mechanism_list(slotID, pMechanismList,pulCount);
if (ret != CKR_OK)
{
log_trace(WHERE, "E: cal_get_mechanism_list(slotid=%d) returns %s", slotID, log_map_error(ret));
goto cleanup;
}
cleanup:
p11_unlock();
log_trace(WHERE, "I: leave, ret = %i",ret);
return ret;
}
CK_RV C_GetAttributeValue(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_OBJECT_HANDLE hObject, /* the object's handle */
CK_ATTRIBUTE_PTR pTemplate, /* specifies attributes, gets values */
CK_ULONG ulCount) /* attributes in template */
{
/*
This function returns the values from the object.
Object is cached so objects are read only once and remain valid until new session is setup with token.
Objects are allready initialized (but not read) during connection with token.
*/
int status, ret = 0;
P11_SESSION *pSession = NULL;
P11_SLOT *pSlot = NULL;
P11_OBJECT *pObject = NULL;
unsigned int j = 0;
void *pValue = NULL;
CK_ULONG len = 0;
log_trace(WHERE, "I: enter");
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
ret = p11_lock();
if (ret != CKR_OK)
return ret;
log_trace(WHERE, "S: C_GetAttributeValue(hObject=%d)",hObject);
ret = p11_get_session(hSession, &pSession);
if (ret)
{
log_trace(WHERE, "E: Invalid session handle (%d)", hSession);
goto cleanup;
}
pSlot = p11_get_slot(pSession->hslot);
if (pSlot == NULL)
{
log_trace(WHERE, "E: p11_get_slot(%d) returns null", pSession->hslot);
ret = CKR_SLOT_ID_INVALID;
goto cleanup;
}
pObject = p11_get_slot_object(pSlot, hObject);
if (pObject == NULL)
{
log_trace(WHERE, "E: slot %d: object %d does not exist", pSession->hslot, hObject);
ret = CKR_OBJECT_HANDLE_INVALID;
goto cleanup;
}
//read object from token if not cached allready
if (pObject->state != P11_CACHED)
{
ret = cal_read_object(pSession->hslot, pObject);
if (ret != 0)
{
log_trace(WHERE, "E: p11_read_object() returned %d", ret);
goto cleanup;
}
}
/* if (pSlot->login_type < 0) //CKU_SO=0; CKU_USER=1
{
if (p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_PRIVATE, (CK_VOID_PTR *) &pbPrivate, &len) != CKR_OK)
{
log_trace(WHERE, "E: missing CKA_PRIVATE attribute in our object: bad implementation");
continue;
}
if ( (len == sizeof(CK_BBOOL)) && (*pbPrivate == CK_TRUE) )
{
log_trace(WHERE, "E: Not allowed to retrieve private objects");
continue;
}
}*/
//retrieve all objects as listed in template and fill the template
//action is done for all attributes, even if some attributes give errors or buffer is too small
//there is however only one return code to return so we have to keep the most important return code.
for (j = 0; j < ulCount; j++)
{
status = p11_get_attribute_value(pObject->pAttr, pObject->count, pTemplate[j].type, (CK_VOID_PTR *) &pValue, &len);
if (status != CKR_OK)
{
log_template("E: C_GetAttributeValue status != CKR_OK", &pTemplate[j], 1);
log_trace(WHERE, "E: p11_get_attribute_value (object=%d) returned %s", hObject, log_map_error(status));
pTemplate[j].ulValueLen = (CK_ULONG) -1;
ret = status;
continue;
}
if (pTemplate[j].pValue == NULL)
{
/* in this case we return the real length of the value */
pTemplate[j].ulValueLen = len;
continue;
}
if (len > pTemplate[j].ulValueLen)
{
pTemplate[j].ulValueLen = (CK_ULONG) -1;
ret = CKR_BUFFER_TOO_SMALL;
continue;
}
pTemplate[j].ulValueLen = len;
memcpy(pTemplate[j].pValue, pValue, len);
}
if (ulCount != 0)
log_template("I: Template out:", pTemplate, ulCount);
cleanup:
p11_unlock();
return ret;
}
CK_RV C_FindObjectsInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_ATTRIBUTE_PTR pTemplate, /* attribute values to match */
CK_ULONG ulCount) /* attributes in search template */
{
P11_SESSION *pSession = NULL;
P11_FIND_DATA *pData = NULL;
int ret;
CK_ULONG *pclass = NULL;
CK_ULONG len = 0;
CK_BBOOL addIdObjects = CK_FALSE;
CK_BYTE filesToCacheFlag = CACHED_DATA_TYPE_ALL;
CK_BYTE allowCardRead = P11_DISPLAY_NO;
log_trace(WHERE, "I: enter");
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
ret = p11_lock();
if (ret != CKR_OK)
return ret;
log_trace(WHERE, "S: C_FindObjectsInit(session %d)", hSession);
if (ulCount == 0)
log_trace(WHERE, "I: empty template => search all objects");
else
log_template("I: Search template:", pTemplate, ulCount);
/* add check here to avoid useless calls to C_FindObjects() */
/* reason to add this is that e.g. Firefox for every certificate in its store starts a find operation with CKA_CLASS_TYPE */
/* that is unknown by this implementation */
/* CKA_CLASS_TYPE we support is only CKO_CERTIFICATE, CKO_PRIVATE_KEY and CKO_PUBLIC_KEY */
/* Sun-PKCS11 cannot handle CKR_ATTRIBUTE_VALUE_INVALID properly so => initialize search and findObjects will just return 0 matching objects
in case of CKO_DATA */
if (ulCount)
{
ret = p11_get_attribute_value(pTemplate, ulCount, CKA_CLASS, (CK_VOID_PTR *) &pclass, &len);
if ( (ret == 0) && (len == sizeof(CK_ULONG) ) )
{
//CKO_SECRET_KEY is not supported but for SUN-PKCS11 we allow a search that will result in 0 objects
if ( (*pclass != CKO_CERTIFICATE) && (*pclass != CKO_PRIVATE_KEY) && (*pclass != CKO_PUBLIC_KEY) && (*pclass != CKO_SECRET_KEY) && (*pclass != CKO_DATA))
{
log_trace(WHERE, "I: CKA_CLASS (%0x) not supported by this PKCS11 module", *pclass);
ret = CKR_ATTRIBUTE_VALUE_INVALID;
goto cleanup;
}
else if (*pclass == CKO_DATA)
{
addIdObjects = CK_TRUE;
}
}
//We only return the CKO_DATA objects when specifically asked for, this to prevent webbrowsers
//to read the entire carddata, while they only need the certificates.
//(e.g. we saw firefox do a C_FindObjectsInit with only the auth cert's CKA_VALUE and its value
// in the template)
//else if (len == 0)// no CKA_CLASS attribute in the template
//{
// addIdObjects = CK_TRUE;
//}
}
//see comment above, We only return the CKO_DATA objects when specifically asked for
//else
//{
// addIdObjects = CK_TRUE;
//}
ret = p11_get_session(hSession, &pSession);
// if (pSession == NULL)
if (ret)
{
log_trace(WHERE, "E: Invalid session (%d) (%s)", hSession, log_map_error(ret));
//if (ret == CKR_DEVICE_REMOVED)
//ret = CKR_SESSION_HANDLE_INVALID;
//ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
//is there an active search operation for this session
if (pSession->Operation[P11_OPERATION_FIND].active)
{
log_trace(WHERE, "W: Session %d: search operation allready exists", hSession);
ret = CKR_OPERATION_ACTIVE;
goto cleanup;
}
if(addIdObjects == CK_TRUE)
{
//parse the search template
CK_UTF8CHAR* pLabel;
CK_UTF8CHAR* pObjectID;
ret = p11_get_attribute_value(pTemplate, ulCount, CKA_OBJECT_ID, (CK_VOID_PTR *) &pObjectID, &len);
if ( (ret == 0) && (len > 0 ) )
{
SetParseFlagByObjectID(&filesToCacheFlag,pObjectID,len);
}
else
{
ret = p11_get_attribute_value(pTemplate, ulCount, CKA_LABEL, (CK_VOID_PTR *) &pLabel, &len);
if ( (ret == 0) && (len > 0 ) )
{
SetParseFlagByLabel(&filesToCacheFlag,pLabel,len);
}
}
if((filesToCacheFlag != CACHED_DATA_TYPE_CARDDATA) && (filesToCacheFlag != CACHED_DATA_TYPE_RNCERT))
{
if ((pSession->bReadDataAllowed == P11_READDATA_ASK) & (eidmw_readpermission != P11_READDATA_ALWAYS))
{
allowCardRead = AllowCardReading();
switch(allowCardRead)
{
case P11_DISPLAY_YES:
pSession->bReadDataAllowed = P11_READDATA_ALLOWED;
break;
case P11_DISPLAY_ALWAYS:
pSession->bReadDataAllowed = P11_READDATA_ALLOWED;
eidmw_readpermission = P11_READDATA_ALWAYS;
//allowed for as long as this pkcs11 instance exists, put it in some variable
log_trace(WHERE, "I: Al reading from the card");
break;
case P11_DISPLAY_NO:
//keep asking
//case P11_DISPLAY_NEVER:
//pSession->bReadDataAllowed = P11_READDATA_REFUSED;
default:
log_trace(WHERE, "I: User does not allow reading from the card");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
break;
}
}
else if (pSession->bReadDataAllowed == P11_READDATA_REFUSED)
{
log_trace(WHERE, "I: User did not allow reading from the card during this session");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
}
}
/* init search operation */
pData = (P11_FIND_DATA *)pSession->Operation[P11_OPERATION_FIND].pData;
if(pData == NULL)
{
pSession->Operation[P11_OPERATION_FIND].pData = (P11_FIND_DATA *) malloc (sizeof(P11_FIND_DATA));
pData = (P11_FIND_DATA *)pSession->Operation[P11_OPERATION_FIND].pData;
if (pData == NULL)
{
log_trace( WHERE, "E: error allocating memory");
ret = CKR_HOST_MEMORY;
goto cleanup;
}
}
//first handle = 1
pData->hCurrent = 1;
pData->pSearch = NULL;
pData->size = 0;
//keep search template if at least one entry in the search template
if (ulCount > 0)
{
pData->pSearch = (CK_ATTRIBUTE_PTR) malloc(sizeof(CK_ATTRIBUTE)*ulCount);
if (pData->pSearch == NULL)
{
log_trace(WHERE, "E: error allocating memory for object search template()");
ret = CKR_HOST_MEMORY;
goto cleanup;
}
memset(pData->pSearch,0,sizeof(CK_ATTRIBUTE)*ulCount);
ret = p11_copy_object(pTemplate, ulCount, pData->pSearch);
if (ret)
{
log_trace(WHERE, "E: p11_copy_object() returned %d", ret);
goto cleanup;
}
}
pData->size = ulCount;
//set search operation to active state since there can be only one
pSession->Operation[P11_OPERATION_FIND].active = 1;
if ( addIdObjects )
{
//check if the data isn't cached already
if( ((filesToCacheFlag != CACHED_DATA_TYPE_ALL) && ((pSession->bCardDataCashed & filesToCacheFlag) == FALSE)) ||
((filesToCacheFlag == CACHED_DATA_TYPE_ALL) && (pSession->bCardDataCashed != CACHED_DATA_TYPE_ALL)) )
{
CK_ULONG counter = 0;
CK_ULONG flagsToCheckListLen = 6;
CK_BYTE flagsToCheckList[6] = {CACHED_DATA_TYPE_ID,CACHED_DATA_TYPE_ADDRESS,CACHED_DATA_TYPE_PHOTO,
CACHED_DATA_TYPE_RNCERT,CACHED_DATA_TYPE_SIGN_DATA_FILE,CACHED_DATA_TYPE_SIGN_ADDRESS_FILE};
switch(filesToCacheFlag)
{
case CACHED_DATA_TYPE_ALL:
//cache and parse whatever isn't cached already
//first check if carddata is cashed already, if not parse and cache it
if( (pSession->bCardDataCashed & CACHED_DATA_TYPE_CARDDATA) == 0){
ret = cal_get_card_data(pSession->hslot);
if (ret != 0){
log_trace(WHERE, "E: cal_read_ID_files() returned %d", ret);
goto cleanup;
}
}
//check which other files are cached already, parse and cache those that aren't
while(counter < flagsToCheckListLen){
ret = cal_read_ID_files(pSession->hslot,flagsToCheckList[counter]);
if (ret != 0){
log_trace(WHERE, "E: cal_read_ID_files() returned %d", ret);
goto cleanup;
}
counter++;
}
break;
case CACHED_DATA_TYPE_CARDDATA:
//cache and parse only the carddata
ret = cal_get_card_data(pSession->hslot);
if (ret != 0){
log_trace(WHERE, "E: cal_read_ID_files() returned %d", ret);
goto cleanup;
}
break;
default:
//cache and parse only the requested file type
ret = cal_read_ID_files(pSession->hslot,filesToCacheFlag);
if (ret != 0){
log_trace(WHERE, "E: cal_read_ID_files() returned %d", ret);
goto cleanup;
}
}
//remember the file(s) we cashed
pSession->bCardDataCashed |= filesToCacheFlag;
}
}
ret = CKR_OK;
cleanup:
p11_unlock();
return ret;
}
CK_RV C_SignFinal(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pSignature, /* receives the signature */
CK_ULONG_PTR pulSignatureLen) /* receives byte count of signature */
{
CK_RV ret;
P11_SESSION *pSession = NULL;
P11_SIGN_DATA *pSignData = NULL;
unsigned char *pDigest = NULL;
unsigned long ulDigestLen = 0;
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
p11_lock();
log_trace(WHERE, "I: enter");
ret = p11_get_session(hSession, &pSession);
if (ret)
{
log_trace(WHERE, "E: Invalid session handle (%d)", hSession);
goto cleanup;
}
//is there an active search operation for this session
if (pSession->Operation[P11_OPERATION_SIGN].active == 0)
{
log_trace(WHERE, "E: Session %d: no sign operation initialized", hSession);
ret = CKR_OPERATION_NOT_INITIALIZED;
goto cleanup;
}
/* get sign operation */
if((pSignData = pSession->Operation[P11_OPERATION_SIGN].pData) == NULL)
{
log_trace( WHERE, "E: no sign operation initialized");
ret = CKR_OPERATION_NOT_INITIALIZED;
goto cleanup;
}
if(pSignature == NULL)
{
*pulSignatureLen = pSignData->l_sign;
ret = CKR_OK;
goto cleanup;
}
if(*pulSignatureLen < pSignData->l_sign)
{
*pulSignatureLen = pSignData->l_sign;
ret = CKR_BUFFER_TOO_SMALL;
goto cleanup;
}
if (pSignData->phash)
{
/* get hash */
pDigest = (unsigned char*) malloc(pSignData->l_hash);
if (pDigest == NULL)
{
ret = CKR_HOST_MEMORY;
goto cleanup;
}
ret = hash_final(pSignData->phash, pDigest, &ulDigestLen);
if(ret)
{
log_trace(WHERE, "E: hash_final failed()");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
}
else
{
/* no hash: get buffer to sign directly */
pDigest = (unsigned char*) malloc(pSignData->lbuf);
if (pDigest == NULL)
{
ret = CKR_HOST_MEMORY;
goto cleanup;
}
memcpy(pDigest, pSignData->pbuf, pSignData->lbuf);
ulDigestLen = pSignData->lbuf;
}
ret = cal_sign(pSession->hslot, pSignData, pDigest, ulDigestLen, pSignature, pulSignatureLen);
if (ret != CKR_OK)
log_trace(WHERE, "E: cal_sign() returned %s", log_map_error(ret));
//terminate sign operation
free(pSignData);
pSession->Operation[P11_OPERATION_SIGN].pData = NULL;
pSession->Operation[P11_OPERATION_SIGN].active = 0;
cleanup:
if (pDigest)
free(pDigest);
p11_unlock();
log_trace(WHERE, "I: leave, ret = 0x%08x",ret);
return ret;
}
CK_RV C_Sign(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* the data to be signed */
CK_ULONG ulDataLen, /* count of bytes to be signed */
CK_BYTE_PTR pSignature, /* receives the signature */
CK_ULONG_PTR pulSignatureLen) /* receives byte count of signature */
{
CK_RV ret = CKR_OK;
P11_SESSION* pSession = NULL;
P11_SIGN_DATA* pSignData = NULL;
unsigned char* pDigest = NULL;
unsigned long ulDigestLen = 0;
// unsigned int ulSignatureLen = *pulSignatureLen;
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
p11_lock();
log_trace(WHERE, "I: enter");
ret = p11_get_session(hSession, &pSession);
if (ret)
{
log_trace(WHERE, "E: Invalid session handle (%d)", hSession);
goto cleanup;
}
//is there an active search operation for this session
if (pSession->Operation[P11_OPERATION_SIGN].active == 0)
{
log_trace(WHERE, "E: Session %d: no sign operation initialized", hSession);
ret = CKR_OPERATION_NOT_INITIALIZED;
goto cleanup;
}
/* get sign operation */
if((pSignData = pSession->Operation[P11_OPERATION_SIGN].pData) == NULL)
{
log_trace( WHERE, "E: no sign operation initialized");
ret = CKR_OPERATION_NOT_INITIALIZED;
goto cleanup;
}
if(pSignData->update)
{
log_trace(WHERE, "E: C_Sign() cannot be used to finalize a C_SignUpdate() function");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
if (pSignature == NULL)
{
/* just return the signature size */
*pulSignatureLen = pSignData->l_sign;
ret = CKR_OK;
goto cleanup;
}
if (pSignData->l_sign > *pulSignatureLen)
{
*pulSignatureLen = pSignData->l_sign;
ret = CKR_BUFFER_TOO_SMALL;
goto cleanup;
}
/* do we have to hash first? */
if (pSignData->phash)
{
/* reserve space for data to sign */
pDigest = (unsigned char*) malloc(pSignData->l_hash);
if (pDigest == NULL)
{
ret = CKR_HOST_MEMORY;
goto cleanup;
}
ret = hash_update(pSignData->phash, (char*)pData, ulDataLen);
if(ret == 0)
ret = hash_final(pSignData->phash, pDigest, &ulDigestLen);
if(ret)
{
log_trace(WHERE, "E: hash failed()");
ret = CKR_FUNCTION_FAILED;
goto terminate;
}
}
else
{
/* reserve space for data to sign */
pDigest = (unsigned char*) malloc(ulDataLen);
if (pDigest == NULL)
{
ret = CKR_HOST_MEMORY;
goto cleanup;
}
memcpy(pDigest, pData, ulDataLen);
ulDigestLen = ulDataLen;
}
/* do the signing (and add pkcs headers first if needed) */
ret = cal_sign(pSession->hslot, pSignData, pDigest, ulDigestLen, pSignature, pulSignatureLen);
if (ret != CKR_OK)
log_trace(WHERE, "E: cal_sign() returned %s", log_map_error(ret));
terminate:
//terminate sign operation
free(pSignData);
pSession->Operation[P11_OPERATION_SIGN].pData = NULL;
pSession->Operation[P11_OPERATION_SIGN].active = 0;
cleanup:
if (pDigest)
free(pDigest);
p11_unlock();
log_trace(WHERE, "I: leave, ret = 0x%08x",ret);
return ret;
}
CK_RV C_SignInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the signature mechanism */
CK_OBJECT_HANDLE hKey) /* handle of the signature key */
{
CK_RV ret;
P11_SESSION *pSession = NULL;
P11_SLOT *pSlot = NULL;
P11_SIGN_DATA *pSignData = NULL;
P11_OBJECT *pObject = NULL;
CK_BBOOL *pcan_sign = NULL;
CK_KEY_TYPE *pkeytype = NULL;
CK_ULONG *pmodsize = NULL;
CK_ULONG *pid = NULL;
CK_ULONG *pclass = NULL;
CK_ULONG len = 0;
CK_MECHANISM_TYPE_PTR pMechanismsSupported = NULL;
CK_ULONG ulSupportedMechLen = 0;
CK_ULONG ulcounter = 0;
int ihash;
if (p11_get_init() != BEIDP11_INITIALIZED)
{
log_trace(WHERE, "I: leave, CKR_CRYPTOKI_NOT_INITIALIZED");
return (CKR_CRYPTOKI_NOT_INITIALIZED);
}
p11_lock();
log_trace(WHERE, "I: enter");
ret = p11_get_session(hSession, &pSession);
if (ret)
{
log_trace(WHERE, "E: Invalid session handle (%d)", hSession);
goto cleanup;
}
//is there an active sign operation for this session
if (pSession->Operation[P11_OPERATION_SIGN].active)
{
log_trace(WHERE, "W: Session %d: sign operation allready exists", hSession);
ret = CKR_OPERATION_ACTIVE;
goto cleanup;
}
pSlot = p11_get_slot(pSession->hslot);
if (pSlot == NULL)
{
log_trace(WHERE, "E: Slot not found for session %d", hSession);
ret = CKR_SESSION_HANDLE_INVALID;
goto cleanup;
}
if(!(pSlot->ulCardDataCached & CACHED_DATA_TYPE_CDF))
{
log_trace(WHERE, "E: Key handle but no CDF read yet!");
ret = CKR_KEY_HANDLE_INVALID;
goto cleanup;
}
#ifndef PKCS11_FF
ret = cal_init_objects(pSlot);
if(ret != CKR_OK)
{
log_trace(WHERE, "E: cal_init_objects() returns %s_", log_map_error(ret));
}
#endif
//check mechanism
//since this module is only for BEID, we check for RSA here and we do not check the device capabilities
//check mechanism table for signing depending on token in slot
//get number of mechanisms
ret = cal_get_mechanism_list(pSession->hslot, pMechanismsSupported, &ulSupportedMechLen);
if (ret != CKR_OK)
{
log_trace(WHERE, "E: cal_get_mechanism_list(slotid=%d) returns %s", pSession->hslot, log_map_error(ret));
goto cleanup;
}
//get the mechanisms list
pMechanismsSupported = (CK_MECHANISM_TYPE_PTR) malloc (sizeof(CK_MECHANISM_TYPE)*ulSupportedMechLen);
if(pMechanismsSupported != NULL)
{
ret = cal_get_mechanism_list(pSession->hslot, pMechanismsSupported, &ulSupportedMechLen);
if (ret != CKR_OK)
{
log_trace(WHERE, "E: cal_get_mechanism_list(slotid=%d) returns %s", pSession->hslot, log_map_error(ret));
free(pMechanismsSupported);
goto cleanup;
}
ret = CKR_MECHANISM_INVALID;
for(ulcounter = 0; ulcounter < ulSupportedMechLen ; ulcounter++)
{
if(pMechanismsSupported[ulcounter] == pMechanism->mechanism)
{
ret = CKR_OK;
break;
}
}
if(ret == CKR_MECHANISM_INVALID)
{
free(pMechanismsSupported);
goto cleanup;
}
free(pMechanismsSupported);
}
switch(pMechanism->mechanism)
{
case CKM_MD5_RSA_PKCS:
case CKM_SHA1_RSA_PKCS:
case CKM_RIPEMD160_RSA_PKCS:
case CKM_SHA256_RSA_PKCS:
case CKM_SHA384_RSA_PKCS:
case CKM_SHA512_RSA_PKCS:
case CKM_SHA1_RSA_PKCS_PSS:
case CKM_SHA256_RSA_PKCS_PSS:
case CKM_ECDSA_SHA256:
case CKM_ECDSA_SHA384:
case CKM_ECDSA_SHA512:
ihash = 1; break;
case CKM_RSA_PKCS:
case CKM_ECDSA:
ihash = 0; break;
default:
ret = CKR_MECHANISM_INVALID;
goto cleanup;
}
//can we use the object for signing?
pObject = p11_get_slot_object(pSlot, hKey);
if (pObject == NULL || pObject->count == 0)
{
log_trace(WHERE, "E: invalid key handle");
ret = CKR_KEY_HANDLE_INVALID;
goto cleanup;
}
//check class, keytype and sign attribute CKO_PRIV_KEY
/* CKR_KEY_TYPE_INCONSISTENT has higher rank than CKR_KEY_FUNCTION_NOT_PERMITTED */
ret = p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_KEY_TYPE, (CK_VOID_PTR*) &pkeytype, &len);
if (ret || (len != sizeof(CK_KEY_TYPE)) || (*pkeytype != CKK_RSA))
{
log_trace(WHERE, "E: Wrong keytype");
ret = CKR_KEY_TYPE_INCONSISTENT;
goto cleanup;
}
ret = p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_CLASS, (CK_VOID_PTR*) &pclass, &len);
if (ret || (len != sizeof(CK_ULONG)) || (*pclass != CKO_PRIVATE_KEY))
{
log_trace(WHERE, "E: Key is not CKO_PRIVATE_KEY");
ret = CKR_KEY_FUNCTION_NOT_PERMITTED;
goto cleanup;
}
ret = p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_SIGN, (CK_VOID_PTR*) &pcan_sign, &len);
if (ret || (len != sizeof(CK_BBOOL)) || (*pcan_sign != CK_TRUE))
{
log_trace(WHERE, "E: Key cannot be used for signing");
ret = CKR_KEY_FUNCTION_NOT_PERMITTED;
goto cleanup;
}
ret = p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_MODULUS_BITS, (CK_VOID_PTR*) &pmodsize, &len);
if (ret || (len != sizeof(CK_ULONG)) )
{
log_trace(WHERE, "E: Lengh not defined for modulus bits for private key");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
/* get ID to identify signature key */
/* at this time, id should be available, otherwise, device is not connected and objects are not initialized */
ret = p11_get_attribute_value(pObject->pAttr, pObject->count, CKA_ID, (CK_VOID_PTR*) &pid, &len);
if (ret || (len != sizeof(CK_ULONG)))
{
log_trace(WHERE, "E: ID missing for key");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
/* init sign operation */
if((pSignData = pSession->Operation[P11_OPERATION_SIGN].pData) == NULL)
{
pSignData = pSession->Operation[P11_OPERATION_SIGN].pData = (P11_SIGN_DATA *) malloc (sizeof(P11_SIGN_DATA));
if (pSignData == NULL)
{
log_trace( WHERE, "E: error allocating memory");
ret = CKR_HOST_MEMORY;
goto cleanup;
}
}
memset(pSignData, 0, sizeof(P11_SIGN_DATA));
pSignData->mechanism = pMechanism->mechanism;
pSignData->hKey = hKey;
pSignData->l_sign = (*pmodsize+7)/8;
pSignData->id = *pid;
if (ihash)
{
ret = hash_init(pMechanism, &(pSignData->phash), &(pSignData->l_hash));
if(ret)
{
log_trace(WHERE, "E: could not initialize hash()");
ret = CKR_FUNCTION_FAILED;
goto cleanup;
}
}
pSession->Operation[P11_OPERATION_SIGN].active = 1;
cleanup:
p11_unlock();
log_trace(WHERE, "I: leave, ret = 0x%08x",ret);
return ret;
}
CK_RV C_GetSessionInfo(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_SESSION_INFO_PTR pInfo) /* receives session information */
{
int ret;
char buf[256];
P11_SESSION *pSession = NULL;
P11_SLOT *pSlot = NULL;
CK_TOKEN_INFO tokeninfo;
log_trace(WHERE, "I: enter");
ret = p11_lock();
if (ret != CKR_OK)
{
log_trace(WHERE, "I: leave, p11_lock failed with %i",ret);
return ret;
}
log_trace(WHERE, "S: C_GetSessionInfo(session %d)", hSession);
if (pInfo == NULL_PTR)
{
ret = CKR_ARGUMENTS_BAD;
goto cleanup;
}
ret = p11_get_session(hSession, &pSession);
if (ret)
{
log_trace(WHERE, "E: Invalid session handle (%d) (%s)", hSession, log_map_error(ret));
goto cleanup;
}
pInfo->slotID = pSession->hslot;
pInfo->flags = pSession->flags;
pInfo->ulDeviceError = 0;
pSlot = p11_get_slot(pSession->hslot);
if (pSlot == NULL)
{
log_trace(WHERE, "E: slot not found for session %d", hSession);
ret = CKR_SESSION_HANDLE_INVALID;
goto cleanup;
}
//SO only can create RW_SO sessions
if (pSlot->login_type == CKU_SO)
{
pInfo->state = CKS_RW_SO_FUNCTIONS;
}
//USER can create RW or RO sessions
else if (pSlot->login_type == CKU_USER)
{
pInfo->state = (pSession->flags & CKF_RW_SESSION)? CKS_RW_USER_FUNCTIONS : CKS_RO_USER_FUNCTIONS;
}
//if login not required => we can also get USER sessions without being logged on
else
{
ret = cal_get_token_info(pSession->hslot, &tokeninfo);
if ( (ret == CKR_OK) && !(tokeninfo.flags & CKF_LOGIN_REQUIRED) )
pInfo->state = (pSession->flags & CKF_RW_SESSION)? CKS_RW_USER_FUNCTIONS : CKS_RO_USER_FUNCTIONS;
else
pInfo->state = (pSession->flags & CKF_RW_SESSION) ? CKS_RW_PUBLIC_SESSION : CKS_RO_PUBLIC_SESSION;
}
cleanup:
p11_unlock();
log_trace(WHERE, "I: leave, ret = %i",ret);
return ret;
}
