subscribe.c

sip代理服务器源码

/***********************************************************************\

	SIP Server	

	Date		Ver		Author		MemoRandom
	Jul 3,2002	1.0		Hiroaki Hata	Created

	(C) 2002 All Copyrights reserved. 
*************************************************************************/
#include <sys/types.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <string.h>
#include <netinet/in.h>
#include <netdb.h>
#include "udp.h"
#include "sipd.h"
#include "parser.h"

extern char proxy_server[CLEN];
extern char domain[DOMAIN_MAX][CLEN];


int Subscribe(MESSAGE *mes)
{
	int	ret=0;
	int	i=0;
	int	result;

	//From Domain Check
	for(i=0;i<DOMAIN_MAX;i++){
		if(domain[i][0]=='\0') break;
		if(strcmp(mes->header.from.host,domain[i])==0){
			ret=1;
			break;
		}
	}
	if(ret==0){
		return 401;
	}
	// To Domain Check
	for(i=0;i<DOMAIN_MAX;i++){
		if(domain[i][0]=='\0') break;
		if(strcmp(mes->header.to.host,domain[i])==0){
			ret=1;
			break;
		}
	}
	if(ret==0){
		if(proxy_server[0] != '\0'){
			Transfer(mes);
			return 0;
		}else{
			return 401;
		}
	}
	result=UpdateSUBDB(mes);
DEBUG
//	DumpSUBDB();
DEND
	if(result==REG_NG){
		ret=E_SERVER;
	}else{
		ret=E_OK;
	}
	Response(ret,mes);
	if(result==REG_ADD||result==REG_DEL){
		/*  Modified 2003 Sep 24  Hata */
		/* expiresヘッダが痰ければ判峡、あれば猴近 */
		if(mes->header.expires!=0){
			SubscribeNotify(mes);
		}
	}
	return 0;
}