int
sdp_message_k_key_set (sdp_message_t * sdp, int pos_media, char *keytype, char *keydata)
{
sdp_key_t *key;
sdp_media_t *med;
if (sdp == NULL)
return OSIP_BADPARAMETER;
if ((pos_media != -1) && (osip_list_size (&sdp->m_medias) < pos_media + 1))
return OSIP_UNDEFINED_ERROR;
sdp_key_init (&key);
key->k_keytype = keytype;
key->k_keydata = keydata;
if (pos_media == -1) {
sdp->k_key = key;
return OSIP_SUCCESS;
}
med = (sdp_media_t *) osip_list_get (&sdp->m_medias, pos_media);
med->k_key = key;
return OSIP_SUCCESS;
}
int
sdp_message_k_key_set (sdp_message_t * sdp, int pos_media, char *keytype,
char *keydata)
{
sdp_key_t *key;
sdp_media_t *med;
if (sdp == NULL)
return -1;
if ((pos_media != -1) && (osip_list_size (&sdp->m_medias) < pos_media + 1))
return -1;
sdp_key_init (&key);
key->k_keytype = keytype;
key->k_keydata = keydata;
if (pos_media == -1)
{
sdp->k_key = key;
return 0;
}
med = (sdp_media_t *) osip_list_get (&sdp->m_medias, pos_media);
med->k_key = key;
return 0;
}
static int
sdp_message_parse_k (sdp_message_t * sdp, char *buf, char **next)
{
char *equal;
char *crlf;
int i;
char *colon;
sdp_key_t *k_header;
char *tmp;
char *tmp_next;
*next = buf;
equal = buf;
while ((*equal != '=') && (*equal != '\0'))
equal++;
if (*equal == '\0')
return ERR_ERROR;
/* check if header is "k" */
if (equal[-1] != 'k')
return ERR_DISCARD;
crlf = equal + 1;
while ((*crlf != '\r') && (*crlf != '\n') && (*crlf != '\0'))
crlf++;
if (*crlf == '\0')
return ERR_ERROR;
if (crlf == equal + 1)
return ERR_ERROR; /* k=\r ?? bad header */
tmp = equal + 1;
i = sdp_key_init (&k_header);
if (i != 0)
return ERR_ERROR;
/* k=key-type[:key-data] */
/* is there any key-data? */
colon = strchr (equal + 1, ':');
if ((colon != NULL) && (colon < crlf))
{
/* att-field is alpha-numeric */
i = __osip_set_next_token (&(k_header->k_keytype), tmp, ':', &tmp_next);
if (i != 0)
{
sdp_key_free (k_header);
return -1;
}
tmp = tmp_next;
i =
__osip_set_next_token (&(k_header->k_keydata), tmp, '\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(k_header->k_keydata), tmp, '\n',
&tmp_next);
if (i != 0)
{
sdp_key_free (k_header);
return -1;
}
}
}
else
{
i =
__osip_set_next_token (&(k_header->k_keytype), tmp, '\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(k_header->k_keytype), tmp, '\n',
&tmp_next);
if (i != 0)
{
sdp_key_free (k_header);
return -1;
}
}
}
/* add the key at the correct place:
if there is no media line yet, then the "k=" is the
global one.
*/
i = osip_list_size (sdp->m_medias);
if (i == 0)
sdp->k_key = k_header;
else
{
sdp_media_t *last_sdp_media =
(sdp_media_t *) osip_list_get (sdp->m_medias, i - 1);
last_sdp_media->k_key = k_header;
}
if (crlf[1] == '\n')
*next = crlf + 2;
else
*next = crlf + 1;
return WF;
}
