int
sdp_message_c_connection_add (sdp_message_t * sdp, int pos_media,
char *nettype, char *addrtype,
char *addr, char *addr_multicast_ttl,
char *addr_multicast_int)
{
int i;
sdp_media_t *med;
sdp_connection_t *conn;
if (sdp == NULL)
return -1;
if ((pos_media != -1) && (osip_list_size (&sdp->m_medias) < pos_media + 1))
return -1;
i = sdp_connection_init (&conn);
if (i != 0)
return -1;
conn->c_nettype = nettype;
conn->c_addrtype = addrtype;
conn->c_addr = addr;
conn->c_addr_multicast_ttl = addr_multicast_ttl;
conn->c_addr_multicast_int = addr_multicast_int;
if (pos_media == -1)
{
sdp->c_connection = conn;
return 0;
}
med = (sdp_media_t *) osip_list_get (&sdp->m_medias, pos_media);
osip_list_add (&med->c_connections, conn, -1);
return 0;
}
static int
sdp_message_parse_c (sdp_message_t * sdp, char *buf, char **next)
{
char *equal;
char *crlf;
char *tmp;
char *tmp_next;
sdp_connection_t *c_header;
int i;
*next = buf;
equal = buf;
while ((*equal != '=') && (*equal != '\0'))
equal++;
if (*equal == '\0')
return ERR_ERROR;
/* check if header is "c" */
if (equal[-1] != 'c')
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; /* c=\r ?? bad header */
tmp = equal + 1;
i = sdp_connection_init (&c_header);
if (i != 0)
return ERR_ERROR;
/* c=nettype addrtype (multicastaddr | addr) */
/* nettype is "IN" and will be extended */
i = __osip_set_next_token (&(c_header->c_nettype), tmp, ' ', &tmp_next);
if (i != 0)
return -1;
tmp = tmp_next;
/* nettype is "IP4" or "IP6" and will be extended */
i = __osip_set_next_token (&(c_header->c_addrtype), tmp, ' ', &tmp_next);
if (i != 0)
return -1;
tmp = tmp_next;
/* there we have a multicast or unicast address */
/* multicast can be ip/ttl [/integer] */
/* unicast is FQDN or ip (no ttl, no integer) */
/* is MULTICAST? */
{
char *slash = strchr (tmp, '/');
if (slash != NULL && slash < crlf) /* it's a multicast address! */
{
i = __osip_set_next_token (&(c_header->c_addr), tmp, '/', &tmp_next);
if (i != 0)
return -1;
tmp = tmp_next;
slash = strchr (slash + 1, '/');
if (slash != NULL && slash < crlf) /* optionnal integer is there! */
{
i =
__osip_set_next_token (&(c_header->c_addr_multicast_ttl), tmp,
'/', &tmp_next);
if (i != 0)
return -1;
tmp = tmp_next;
i =
__osip_set_next_token (&(c_header->c_addr_multicast_int), tmp,
'\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(c_header->c_addr_multicast_int),
tmp, '\n', &tmp_next);
if (i != 0)
{
sdp_connection_free (c_header);
return -1;
}
}
}
else
{
i =
__osip_set_next_token (&(c_header->c_addr_multicast_ttl), tmp,
'\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(c_header->c_addr_multicast_ttl),
tmp, '\n', &tmp_next);
if (i != 0)
{
sdp_connection_free (c_header);
return -1;
}
}
}
}
else
{
/* in this case, we have a unicast address */
i = __osip_set_next_token (&(c_header->c_addr), tmp, '\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(c_header->c_addr), tmp, '\n',
&tmp_next);
if (i != 0)
{
sdp_connection_free (c_header);
return -1;
}
}
}
}
/* add the connection at the correct place:
if there is no media line yet, then the "c=" is the
global one.
*/
i = osip_list_size (sdp->m_medias);
if (i == 0)
sdp->c_connection = c_header;
else
{
sdp_media_t *last_sdp_media =
(sdp_media_t *) osip_list_get (sdp->m_medias, i - 1);
osip_list_add (last_sdp_media->c_connections, c_header, -1);
}
if (crlf[1] == '\n')
*next = crlf + 2;
else
*next = crlf + 1;
return WF;
}