void
cdk_pkt_free (cdk_packet_t pkt)
{
if (!pkt)
return;
switch (pkt->pkttype)
{
case CDK_PKT_ATTRIBUTE :
case CDK_PKT_USER_ID : _cdk_free_userid (pkt->pkt.user_id); break;
case CDK_PKT_PUBLIC_KEY :
case CDK_PKT_PUBLIC_SUBKEY: cdk_pk_release (pkt->pkt.public_key); break;
case CDK_PKT_SECRET_KEY :
case CDK_PKT_SECRET_SUBKEY: cdk_sk_release (pkt->pkt.secret_key); break;
case CDK_PKT_SIGNATURE : _cdk_free_signature (pkt->pkt.signature);break;
case CDK_PKT_PUBKEY_ENC : free_pubkey_enc (pkt->pkt.pubkey_enc); break;
case CDK_PKT_SYMKEY_ENC : free_symkey_enc (pkt->pkt.symkey_enc); break;
case CDK_PKT_MDC : cdk_free (pkt->pkt.mdc); break;
case CDK_PKT_ENCRYPTED :
case CDK_PKT_ENCRYPTED_MDC: free_encrypted (pkt->pkt.encrypted); break;
case CDK_PKT_ONEPASS_SIG : cdk_free (pkt->pkt.onepass_sig); break;
case CDK_PKT_LITERAL : free_literal (pkt->pkt.literal); break;
case CDK_PKT_COMPRESSED : cdk_free (pkt->pkt.compressed); break;
default : break;
}
/* Reset the packet type to avoid, when cdk_pkt_release() will be
used, that the second cdk_pkt_free() call will double free the data. */
pkt->pkttype = 0;
}
void cdk_sk_release(cdk_seckey_t sk)
{
size_t nskey;
if (!sk)
return;
nskey = cdk_pk_get_nskey(sk->pubkey_algo);
_cdk_free_mpibuf(nskey, sk->mpi);
cdk_free(sk->encdata);
sk->encdata = NULL;
cdk_pk_release(sk->pk);
sk->pk = NULL;
cdk_s2k_free(sk->protect.s2k);
sk->protect.s2k = NULL;
cdk_free(sk);
}
/**
* gnutls_openpgp_keyring_check_id:
* @ring: holds the keyring to check against
* @keyid: will hold the keyid to check for.
* @flags: unused (should be 0)
*
* Check if a given key ID exists in the keyring.
*
* Returns: %GNUTLS_E_SUCCESS on success (if keyid exists) and a
* negative error code on failure.
**/
int
gnutls_openpgp_keyring_check_id(gnutls_openpgp_keyring_t ring,
const gnutls_openpgp_keyid_t keyid,
unsigned int flags)
{
cdk_pkt_pubkey_t pk;
uint32_t id[2];
id[0] = _gnutls_read_uint32(keyid);
id[1] = _gnutls_read_uint32(&keyid[4]);
if (!cdk_keydb_get_pk(ring->db, id, &pk)) {
cdk_pk_release(pk);
return 0;
}
_gnutls_debug_log("PGP: key not found %08lX\n",
(unsigned long) id[1]);
return GNUTLS_E_NO_CERTIFICATE_FOUND;
}