/**
* gnutls_openpgp_keyring_get_crt_count:
* @ring: is an OpenPGP key ring
*
* This function will return the number of OpenPGP certificates
* present in the given keyring.
*
* Returns: the number of subkeys, or a negative error code on error.
**/
int gnutls_openpgp_keyring_get_crt_count(gnutls_openpgp_keyring_t ring)
{
cdk_kbnode_t knode;
cdk_error_t err;
cdk_keydb_search_t st;
int ret = 0;
err =
cdk_keydb_search_start(&st, ring->db, CDK_DBSEARCH_NEXT, NULL);
if (err != CDK_Success) {
gnutls_assert();
return _gnutls_map_cdk_rc(err);
}
do {
err = cdk_keydb_search(st, ring->db, &knode);
if (err != CDK_Error_No_Key && err != CDK_Success) {
gnutls_assert();
cdk_keydb_search_release(st);
return _gnutls_map_cdk_rc(err);
}
if (knode_is_pkey(knode))
ret++;
cdk_kbnode_release(knode);
}
while (err != CDK_Error_No_Key);
cdk_keydb_search_release(st);
return ret;
}
/**
* gnutls_openpgp_keyring_get_crt:
* @ring: Holds the keyring.
* @idx: the index of the certificate to export
* @cert: An uninitialized #gnutls_openpgp_crt_t structure
*
* This function will extract an OpenPGP certificate from the given
* keyring. If the index given is out of range
* %GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned. The
* returned structure needs to be deinited.
*
* Returns: %GNUTLS_E_SUCCESS on success, or an error code.
**/
int
gnutls_openpgp_keyring_get_crt (gnutls_openpgp_keyring_t ring,
unsigned int idx, gnutls_openpgp_crt_t * cert)
{
cdk_kbnode_t knode;
cdk_error_t err;
int ret = 0;
unsigned int count = 0;
cdk_keydb_search_t st;
err = cdk_keydb_search_start (&st, ring->db, CDK_DBSEARCH_NEXT, NULL);
if (err != CDK_Success)
{
gnutls_assert ();
return _gnutls_map_cdk_rc (err);
}
do
{
err = cdk_keydb_search (st, ring->db, &knode);
if (err != CDK_EOF && err != CDK_Success)
{
gnutls_assert ();
cdk_keydb_search_release (st);
return _gnutls_map_cdk_rc (err);
}
if (idx == count && err == CDK_Success)
{
ret = gnutls_openpgp_crt_init (cert);
if (ret == 0)
(*cert)->knode = knode;
cdk_keydb_search_release (st);
return ret;
}
if (knode_is_pkey (knode))
count++;
cdk_kbnode_release (knode);
}
while (err != CDK_EOF);
cdk_keydb_search_release (st);
return GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE;
}
