C++ (Cpp) dlg_th_needs_decoding Beispiele

Beispiel #1

Datei: dlg_tophiding.c Projekt: jalung/opensips

int dlg_th_pre_raw(str *data)
{
	struct sip_msg msg;

	memset(&msg,0,sizeof(struct sip_msg));
	msg.buf=data->s;
	msg.len=data->len;
	if (dlg_th_callid_pre_parse(&msg,0) < 0)
		goto done;

	if (msg.first_line.type==SIP_REQUEST) {
		if (get_to(&msg)->tag_value.len>0) {
			/* sequential request, check if callid needs to be unmasked */
			if (dlg_th_needs_decoding(&msg)) {
				if (dlg_th_decode_callid(&msg) < 0) {
					LM_ERR("Failed to decode callid for sequential request\n");
					goto error;
				}
				goto rebuild_msg;
			}	
		} else {
			/* initial request, don't do anything
			callid masking will be done on the out side */
		}
	} else if (msg.first_line.type==SIP_REPLY) {
		/* we might need to decode callid if mangled */
		if (dlg_th_needs_decoding(&msg)) {
			if (dlg_th_decode_callid(&msg) < 0) {
				LM_ERR("Failed to decode callid for reply\n");
				goto error;
			}
			goto rebuild_rpl;
		} else {
			/* encoding will be done on the out side */
		}	
	} else {
		/* non sip, most likely, let it through */
		return 0;
	}

done:
	free_sip_msg(&msg);
	return 0;

rebuild_msg:
	data->s = dlg_th_rebuild_req(&msg,&data->len);
	free_sip_msg(&msg);
	return 0;

rebuild_rpl:
	data->s = dlg_th_rebuild_rpl(&msg,&data->len);
	free_sip_msg(&msg);
	return 0;
error:
	free_sip_msg(&msg);
	return -1;
}

Beispiel #2

Datei: dlg_tophiding.c Projekt: fangdingjun/opensips

int dlg_th_pre_raw(str *data)
{
	struct sip_msg msg;

	memset(&msg,0,sizeof(struct sip_msg));
	msg.buf=data->s;
	msg.len=data->len;

	if (parse_msg(msg.buf,msg.len,&msg)!=0) {
		LM_ERR("Invalid SIP msg \n");
		goto error;
	}

	if (parse_headers(&msg,HDR_EOH_F,0)<0) {
		LM_ERR("Failed to parse SIP headers\n");
		goto error;
	}

	if (msg.cseq==NULL || get_cseq(&msg)==NULL) {
		LM_ERR("Failed to parse CSEQ header \n");
		goto error;
	}       

	if((get_cseq(&msg)->method_id)&MSG_SKIP_BITMASK) {
		LM_DBG("Skipping %d for DLG callid topo hiding\n",get_cseq(&msg)->method_id);
		goto error;
	}

	if (parse_to_header(&msg)<0 || msg.to==NULL || get_to(&msg)==NULL) {
		LM_ERR("cannot parse TO header\n");
		goto error;
	}

	if (msg.first_line.type==SIP_REQUEST) {
		if (get_to(&msg)->tag_value.len>0) {
			/* sequential request, check if callid needs to be unmasked */
			if (dlg_th_needs_decoding(&msg)) {
				if (dlg_th_decode_callid(&msg) < 0) {
					LM_ERR("Failed to decode callid for sequential request \n");
					goto error;
				}
				goto rebuild_msg;
			}	
		} else {
			/* initial request, don't do anything
			callid masking will be done on the out side */
		}
	} else if (msg.first_line.type==SIP_REPLY) {
		/* we might need to decode callid if mangled */
		if (dlg_th_needs_decoding(&msg)) {
			if (dlg_th_decode_callid(&msg) < 0) {
				LM_ERR("Failed to decode callid for reply \n");
				goto error;
			}
			goto rebuild_rpl;
		} else {
			/* encoding will be done on the out side */
		}	
	} else {
		/* non sip, most likely, let it through */
		return 0;
	}

	free_sip_msg(&msg);
	return 0;

rebuild_msg:
	data->s = dlg_th_rebuild_req(&msg,&data->len);
	free_sip_msg(&msg);
	return 0;

rebuild_rpl:
	data->s = dlg_th_rebuild_rpl(&msg,&data->len);
	free_sip_msg(&msg);
	return 0;
error:
	free_sip_msg(&msg);
	return -1;
}