/** Helper function for adding media component AVPs - uses previously stored flow descriptions not SDP from messages*/
int add_media_components_using_current_flow_description(AAAMessage* aar, rx_authsessiondata_t *p_session_data) {
flow_description_t *flow_description;
int add_flow = 1;
flow_description = p_session_data->first_current_flow_description;
if(!flow_description) {
return -1;
}
while (flow_description) {
if(!authorize_video_flow) {
if (strncmp(flow_description->media.s, "video", 5) == 0) {
add_flow = 0;
}
}
if(add_flow) {
rx_add_media_component_description_avp(aar, flow_description->stream_num,
&flow_description->media, &flow_description->req_sdp_ip_addr,
&flow_description->req_sdp_port, &flow_description->rpl_sdp_ip_addr,
&flow_description->rpl_sdp_port, &flow_description->rpl_sdp_transport,
&flow_description->req_sdp_raw_stream,
&flow_description->rpl_sdp_raw_stream, flow_description->direction);
}
flow_description = flow_description->next;
add_flow = 1;
}
return 0;
}
/** Helper function for adding media component AVPs for each SDP stream*/
int add_media_components(AAAMessage* aar, struct sip_msg *req,
struct sip_msg *rpl, enum dialog_direction direction, AAASession* auth) {
int sdp_session_num;
int sdp_stream_num;
sdp_session_cell_t* req_sdp_session, *rpl_sdp_session;
sdp_stream_cell_t* req_sdp_stream, *rpl_sdp_stream;
int add_flow = 1;
if (!req || !rpl) {
return CSCF_RETURN_FALSE;
}
if (parse_sdp(req) < 0) {
LM_ERR("Unable to parse req SDP\n");
return CSCF_RETURN_FALSE;
}
if (parse_sdp(rpl) < 0) {
LM_ERR("Unable to parse res SDP\n");
return CSCF_RETURN_FALSE;
}
sdp_session_num = 0;
//Loop through req sessions and streams and get corresponding rpl sessions and streams and populate avps
for (;;) {
//we only cater for one session at the moment: TDOD: extend
if (sdp_session_num > 0) {
break;
}
req_sdp_session = get_sdp_session(req, sdp_session_num);
rpl_sdp_session = get_sdp_session(rpl, sdp_session_num);
if (!req_sdp_session || !rpl_sdp_session) {
if (!req_sdp_session)
LM_ERR("Missing SDP session information from req\n");
if (!rpl_sdp_session)
LM_ERR("Missing SDP session information from rpl\n");
break;
}
sdp_stream_num = 0;
for (;;) {
req_sdp_stream = get_sdp_stream(req, sdp_session_num,
sdp_stream_num);
rpl_sdp_stream = get_sdp_stream(rpl, sdp_session_num,
sdp_stream_num);
if (!req_sdp_stream || !rpl_sdp_stream) {
//LM_ERR("Missing SDP stream information\n");
break;
}
//is this a stream to add to AAR.
if (req_sdp_stream->is_rtp) {
//check if the src or dst port is 0 and if so then don't add to rx
int intportA = atoi(req_sdp_stream->port.s);
int intportB = atoi(rpl_sdp_stream->port.s);
if(intportA != 0 && intportB != 0){
if(!authorize_video_flow) {
if (strncmp(req_sdp_stream->media.s, "video", 5) == 0) {
add_flow = 0;
}
}
if(add_flow) {
//add this to auth session data
add_flow_description((rx_authsessiondata_t*) auth->u.auth.generic_data, sdp_stream_num + 1,
&req_sdp_stream->media, &req_sdp_session->ip_addr,
&req_sdp_stream->port, &rpl_sdp_session->ip_addr,
&rpl_sdp_stream->port, &rpl_sdp_stream->transport,
&req_sdp_stream->raw_stream,
&rpl_sdp_stream->raw_stream, direction, 0 /*This is a new mcd, we are not setting it as active*/);
rx_add_media_component_description_avp(aar, sdp_stream_num + 1,
&req_sdp_stream->media, &req_sdp_session->ip_addr,
&req_sdp_stream->port, &rpl_sdp_session->ip_addr,
&rpl_sdp_stream->port, &rpl_sdp_stream->transport,
&req_sdp_stream->raw_stream,
&rpl_sdp_stream->raw_stream, direction);
}
add_flow = 1;
}
}
sdp_stream_num++;
}
sdp_session_num++;
}
free_sdp((sdp_info_t**) (void*) &req->body);
free_sdp((sdp_info_t**) (void*) &rpl->body);
return 0;
}
/** Helper function for adding media component AVPs for each SDP stream*/
int add_media_components(AAAMessage* aar, struct sip_msg *req,
struct sip_msg *rpl, enum dialog_direction direction, str *ip,
uint16_t *ip_version) {
int sdp_session_num;
int sdp_stream_num;
sdp_session_cell_t* req_sdp_session, *rpl_sdp_session;
sdp_stream_cell_t* req_sdp_stream, *rpl_sdp_stream;
if (!req || !rpl) {
return RX_RETURN_FALSE;
}
if (parse_sdp(req) < 0) {
LM_ERR("Unable to parse req SDP\n");
return RX_RETURN_FALSE;
}
if (parse_sdp(rpl) < 0) {
LM_ERR("Unable to parse res SDP\n");
return RX_RETURN_FALSE;
}
sdp_session_num = 0;
//Loop through req sessions and streams and get corresponding rpl sessions and streams and populate avps
for (;;) {
//we only cater for one session at the moment: TDOD: extend
if (sdp_session_num > 0) {
break;
}
req_sdp_session = get_sdp_session(req, sdp_session_num);
rpl_sdp_session = get_sdp_session(rpl, sdp_session_num);
if (!req_sdp_session || !rpl_sdp_session) {
if (!req_sdp_session)
LM_ERR("Missing SDP session information from req\n");
if (!rpl_sdp_session)
LM_ERR("Missing SDP session information from rpl\n");
break;
}
if (direction == DLG_MOBILE_ORIGINATING) {
*ip_version = req_sdp_session->pf;
*ip = req_sdp_session->ip_addr;
} else if (direction == DLG_MOBILE_TERMINATING) {
*ip_version = rpl_sdp_session->pf;
*ip = rpl_sdp_session->ip_addr;
}
sdp_stream_num = 0;
for (;;) {
req_sdp_stream = get_sdp_stream(req, sdp_session_num,
sdp_stream_num);
rpl_sdp_stream = get_sdp_stream(rpl, sdp_session_num,
sdp_stream_num);
if (!req_sdp_stream || !rpl_sdp_stream) {
//LM_ERR("Missing SDP stream information\n");
break;
}
//is this a stream to add to AAR.
if (req_sdp_stream->is_rtp) {
rx_add_media_component_description_avp(aar, sdp_stream_num + 1,
&req_sdp_stream->media, &req_sdp_session->ip_addr,
&req_sdp_stream->port, &rpl_sdp_session->ip_addr,
&rpl_sdp_stream->port, &rpl_sdp_stream->transport,
&req_sdp_stream->raw_stream,
&rpl_sdp_stream->raw_stream, direction);
}
sdp_stream_num++;
}
sdp_session_num++;
}
free_sdp((sdp_info_t**) (void*) &req->body);
free_sdp((sdp_info_t**) (void*) &rpl->body);
return 0;
}
