static int
unpack_psk_auth_info (gnutls_session_t session, gnutls_buffer_st * ps)
{
size_t username_size, hint_size;
int ret;
psk_auth_info_t info;
ret =
_gnutls_auth_info_set (session, GNUTLS_CRD_PSK,
sizeof (psk_auth_info_st), 1);
if (ret < 0)
{
gnutls_assert ();
return ret;
}
info = _gnutls_get_auth_info (session);
if (info == NULL)
{
gnutls_assert ();
return GNUTLS_E_INTERNAL_ERROR;
}
BUFFER_POP_NUM (ps, username_size);
if (username_size > sizeof (info->username))
{
gnutls_assert ();
return GNUTLS_E_INTERNAL_ERROR;
}
BUFFER_POP (ps, info->username, username_size);
BUFFER_POP_NUM (ps, hint_size);
if (hint_size > sizeof (info->hint))
{
gnutls_assert ();
return GNUTLS_E_INTERNAL_ERROR;
}
BUFFER_POP (ps, info->hint, hint_size);
BUFFER_POP_NUM (ps, info->dh.secret_bits);
BUFFER_POP_DATUM (ps, &info->dh.prime);
BUFFER_POP_DATUM (ps, &info->dh.generator);
BUFFER_POP_DATUM (ps, &info->dh.public_key);
ret = 0;
error:
_gnutls_free_datum (&info->dh.prime);
_gnutls_free_datum (&info->dh.generator);
_gnutls_free_datum (&info->dh.public_key);
return ret;
}
static int
unpack_anon_auth_info (gnutls_session_t session, gnutls_buffer_st * ps)
{
int ret;
size_t pack_size;
anon_auth_info_t info = NULL;
BUFFER_POP_NUM (ps, pack_size);
if (pack_size == 0)
return 0; /* nothing to be done */
/* client and server have the same auth_info here
*/
ret =
_gnutls_auth_info_set (session, GNUTLS_CRD_ANON,
sizeof (anon_auth_info_st), 1);
if (ret < 0)
{
gnutls_assert ();
return ret;
}
info = _gnutls_get_auth_info (session);
if (info == NULL)
{
gnutls_assert ();
return GNUTLS_E_INTERNAL_ERROR;
}
BUFFER_POP_NUM (ps, info->dh.secret_bits);
BUFFER_POP_DATUM (ps, &info->dh.prime);
BUFFER_POP_DATUM (ps, &info->dh.generator);
BUFFER_POP_DATUM (ps, &info->dh.public_key);
return 0;
error:
if (info)
{
_gnutls_free_datum (&info->dh.prime);
_gnutls_free_datum (&info->dh.generator);
_gnutls_free_datum (&info->dh.public_key);
}
return ret;
}
static int
session_ticket_unpack(gnutls_buffer_st * ps, gnutls_ext_priv_data_t * _priv)
{
session_ticket_ext_st *priv = NULL;
int ret;
gnutls_ext_priv_data_t epriv;
gnutls_datum_t ticket;
priv = gnutls_calloc(1, sizeof(*priv));
if (priv == NULL) {
gnutls_assert();
return GNUTLS_E_MEMORY_ERROR;
}
BUFFER_POP_DATUM(ps, &ticket);
priv->session_ticket = ticket.data;
priv->session_ticket_len = ticket.size;
epriv = priv;
*_priv = epriv;
return 0;
error:
gnutls_free(priv);
return ret;
}
static int
_gnutls_status_request_unpack(gnutls_buffer_st * ps,
extension_priv_data_t * epriv)
{
status_request_ext_st *priv;
int ret;
priv = gnutls_calloc(1, sizeof(*priv));
if (priv == NULL) {
gnutls_assert();
return GNUTLS_E_MEMORY_ERROR;
}
BUFFER_POP_DATUM(ps, &priv->response);
epriv->ptr = priv;
return 0;
error:
gnutls_free(priv);
return ret;
}
/* Upack certificate info.
*/
static int
unpack_certificate_auth_info (gnutls_session_t session, gnutls_buffer_st * ps)
{
int ret;
unsigned int i = 0, j = 0;
size_t pack_size;
cert_auth_info_t info = NULL;
BUFFER_POP_NUM (ps, pack_size);
if (pack_size == 0)
return 0; /* nothing to be done */
/* client and server have the same auth_info here
*/
ret =
_gnutls_auth_info_set (session, GNUTLS_CRD_CERTIFICATE,
sizeof (cert_auth_info_st), 1);
if (ret < 0)
{
gnutls_assert ();
return ret;
}
info = _gnutls_get_auth_info (session);
if (info == NULL)
{
gnutls_assert ();
return GNUTLS_E_INTERNAL_ERROR;
}
BUFFER_POP_NUM (ps, info->dh.secret_bits);
BUFFER_POP_DATUM (ps, &info->dh.prime);
BUFFER_POP_DATUM (ps, &info->dh.generator);
BUFFER_POP_DATUM (ps, &info->dh.public_key);
BUFFER_POP_DATUM (ps, &info->rsa_export.modulus);
BUFFER_POP_DATUM (ps, &info->rsa_export.exponent);
BUFFER_POP_NUM (ps, info->ncerts);
if (info->ncerts > 0)
{
info->raw_certificate_list =
gnutls_calloc (info->ncerts, sizeof (gnutls_datum_t));
if (info->raw_certificate_list == NULL)
{
gnutls_assert ();
ret = GNUTLS_E_MEMORY_ERROR;
goto error;
}
}
for (i = 0; i < info->ncerts; i++)
{
BUFFER_POP_DATUM (ps, &info->raw_certificate_list[i]);
}
return 0;
error:
if (info)
{
_gnutls_free_datum (&info->dh.prime);
_gnutls_free_datum (&info->dh.generator);
_gnutls_free_datum (&info->dh.public_key);
_gnutls_free_datum (&info->rsa_export.modulus);
_gnutls_free_datum (&info->rsa_export.exponent);
for (j = 0; j < i; j++)
_gnutls_free_datum (&info->raw_certificate_list[j]);
gnutls_free (info->raw_certificate_list);
}
return ret;
}
