[Javanetsim-cvs] IceScan csubtarget.h, 1.48, 1.49 udpscan.h, 1.16, 1.17

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Update of /cvsroot/javanetsim/IceScan
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv32201

Modified Files:
	csubtarget.h udpscan.h 
Log Message:


Index: csubtarget.h
===================================================================
RCS file: /cvsroot/javanetsim/IceScan/csubtarget.h,v
retrieving revision 1.48
retrieving revision 1.49
diff -C2 -d -r1.48 -r1.49
*** csubtarget.h	18 Dec 2006 08:40:01 -0000	1.48
--- csubtarget.h	19 Dec 2006 00:01:26 -0000	1.49
***************
*** 517,521 ****
                  if(response){
                       ip = (struct iphdr *) response;               
!                      if(ip->saddr = saddress.sin_addr.s_addr && ip->protocol == IPPROTO_TCP){
                          tcp = (struct tcphdr *) (response + 4 * ip->ihl);
  
--- 517,521 ----
                  if(response){
                       ip = (struct iphdr *) response;               
!                      if(ip->saddr == saddress.sin_addr.s_addr && ip->protocol == IPPROTO_TCP){
                          tcp = (struct tcphdr *) (response + 4 * ip->ihl);
  

Index: udpscan.h
===================================================================
RCS file: /cvsroot/javanetsim/IceScan/udpscan.h,v
retrieving revision 1.16
retrieving revision 1.17
diff -C2 -d -r1.16 -r1.17
*** udpscan.h	18 Dec 2006 08:40:01 -0000	1.16
--- udpscan.h	19 Dec 2006 00:01:26 -0000	1.17
***************
*** 16,20 ****
  
  
! int parse_icmp_udp_packet(char* recvmsg, int recvbytes, iceparams *par, iceoutput *out){
      int port = 0;
  
--- 16,20 ----
  
  
! int parse_icmp_udp_packet(char* recvmsg, int recvbytes, struct sockaddr_in &saddress, iceparams *par, iceoutput *out){
      int port = 0;
  
***************
*** 24,43 ****
      int icmplen = recvbytes - hdrlen;
  
!     if(icmppacket->icmp_type == ICMP_UNREACH && icmppacket->icmp_code == ICMP_UNREACH_PORT){
! 
! 	ip = (struct iphdr*) (&icmppacket->icmp_ip);
! 	hdrlen = ip->ihl << 2;
! 	if(ip->protocol == SOL_UDP && ((char*)ip+hdrlen+sizeof(udphdr))-recvmsg<=recvbytes){
! 	    struct udphdr* udp = (struct udphdr *) ((char*)ip + hdrlen);
! 	    port = ntohs(udp->dest);
  
! 		if(par->verbose>2) *out << "Recieved icmp port " << port << " unreachable." << iceoutput::endl;
  
! 	    return port;
! 	}
! 	else{
! 	    //DBGOUTPUT("incorrect length of packet");
  	}
-     }
      return 0;
  }
--- 24,44 ----
      int icmplen = recvbytes - hdrlen;
  
! 	if(ip->saddr == saddress.sin_addr.s_addr){
! 		if(icmppacket->icmp_type == ICMP_UNREACH && icmppacket->icmp_code == ICMP_UNREACH_PORT){
! 			ip = (struct iphdr*) (&icmppacket->icmp_ip);
! 			hdrlen = ip->ihl << 2;
! 			if(ip->protocol == SOL_UDP && ((char*)ip+hdrlen+sizeof(udphdr))-recvmsg<=recvbytes){
! 				struct udphdr* udp = (struct udphdr *) ((char*)ip + hdrlen);
! 				port = ntohs(udp->dest);
  
! 				if(par->verbose>2) *out << "Recieved icmp port " << port << " unreachable." << iceoutput::endl;
  
! 				return port;
! 			}
! 			else{
! 				//DBGOUTPUT("incorrect length of packet");
! 			}
! 		}
  	}
      return 0;
  }
***************
*** 75,82 ****
  	char hostname[80];
  	bool next = true;
- 
  	int recvsize = UDP_SCAN_RECVSIZE;
  
  	if(gethostname(hostname,79)) exit(-1);
  	
  	//int pppp = sudp.getMagicPort(SOCK_DGRAM, 100);
--- 76,88 ----
  	char hostname[80];
  	bool next = true;
  	int recvsize = UDP_SCAN_RECVSIZE;
+ 	struct timeval tv1,tv2;
+ 	struct sockaddr_in saddress;
  
  	if(gethostname(hostname,79)) exit(-1);
+ 	if(make_sockname(saddress, destname.c_str(), 0, PF_INET)!=sizeof(saddress)){
+ 		DBGOUTPUT("make_sockname!=sizeof");
+ 		return false;
+ 	}
  	
  	//int pppp = sudp.getMagicPort(SOCK_DGRAM, 100);
***************
*** 90,94 ****
      }
  	char filter_exp[256];
! 	sprintf(filter_exp, "host %s icmp", destname.c_str());
      pcap_filter(p, filter_exp);
  	//sicmp.nonblock(true);
--- 96,100 ----
      }
  	char filter_exp[256];
! 	sprintf(filter_exp, "icmp", destname.c_str());
      pcap_filter(p, filter_exp);
  	//sicmp.nonblock(true);
***************
*** 99,145 ****
  	for(repeats = 1; repeats <= UDP_SCAN_REPEATS && next; repeats++){
  	    for(std::map <int, scanning_port>::iterator i = scanning_ports.begin(); i!= scanning_ports.end() && next; ++i){
! 		if(! (*i).second.done ){
! 		    sudp.sendto(destname.c_str(), (*i).first, zmsg, UDP_SCAN_ZSIZE, 0);
! 		    iceusleep(50000*repeats);
! 		}
  
! 		do{
! 		    recvbytes = sudp.recvfrom(recvmsg, UDP_SCAN_RECVSIZE, 0, NULL, NULL);
! 		    if(recvbytes > 0){
! 				struct udphdr* udp = (struct udphdr*) recvmsg;
! 				port = ntohs(udp->source);
! 				if(port!=0 && !scanning_ports[port].done && scanning_ports.find(port) != scanning_ports.end()){
! 					if(isscan){
! 						scanning_ports[port].done = true;
! 						subtarget->set_port_status(port, PORT_OPEN, "udp");
! 					}
! 					else{
! 						result = true;
! 						next = false;
  					}
  				}
! 		    }
! 		    else{
! 				for(int k=0; k<5; k++){
! 					response = readip_pcap(p, &len, NULL);
! 					if(response){
! 						recvbytes = len;
! 						port = parse_icmp_udp_packet(response, len, par, out);
! 						if(port!=0 && !scanning_ports[port].done && !(scanning_ports.find(port) == scanning_ports.end())){
! 							if(isscan){
! 								scanning_ports[port].done = true;
! 								subtarget->set_port_status(port, PORT_CLOSED, "udp");
! 							}
! 							else{
! 								result = true;
! 								next = false;
  							}
  						}
! 					}
! 					iceusleep(10000*repeats);
  				}
! 		    }
! 		    iceusleep(50000*repeats);
! 		}while(recvbytes > 0 && next);
  	    }
  	}
--- 105,153 ----
  	for(repeats = 1; repeats <= UDP_SCAN_REPEATS && next; repeats++){
  	    for(std::map <int, scanning_port>::iterator i = scanning_ports.begin(); i!= scanning_ports.end() && next; ++i){
! 			if(! (*i).second.done ){
! 				sudp.sendto(destname.c_str(), (*i).first, zmsg, UDP_SCAN_ZSIZE, 0);
! 				iceusleep(50000*repeats);
! 			}
  
! 			do{
! 				recvbytes = sudp.recvfrom(recvmsg, UDP_SCAN_RECVSIZE, 0, NULL, NULL);
! 				if(recvbytes > 0){
! 					struct udphdr* udp = (struct udphdr*) recvmsg;
! 					port = ntohs(udp->source);
! 					if(port!=0 && !scanning_ports[port].done && scanning_ports.find(port) != scanning_ports.end()){
! 						if(isscan){
! 							scanning_ports[port].done = true;
! 							subtarget->set_port_status(port, PORT_OPEN, "udp");
! 						}
! 						else{
! 							result = true;
! 							next = false;
! 						}
  					}
  				}
! 				else{
! 					gettimeofday(&tv1, 0);
! 					do{
! 						response = readip_pcap(p, &len, NULL);
! 						if(response){
! 							recvbytes = len;
! 							port = parse_icmp_udp_packet(response, len, saddress, par, out);
! 							if(port!=0 && !scanning_ports[port].done && !(scanning_ports.find(port) == scanning_ports.end())){
! 								if(isscan){
! 									scanning_ports[port].done = true;
! 									subtarget->set_port_status(port, PORT_CLOSED, "udp");
! 								}
! 								else{
! 									result = true;
! 									next = false;
! 								}
  							}
  						}
! 						iceusleep(1);
! 						gettimeofday(&tv2, 0);
! 					}while(SUB_TIMEVALS(tv2,tv1) < 50000*repeats);
  				}
! 				iceusleep(50000*repeats);
! 			}while(recvbytes > 0 && next);
  	    }
  	}