[Javanetsim-cvs] IceScan/icesockets crawsocket.h,1.4,1.5

[Alexander B. <da...@us...>]

Update of /cvsroot/javanetsim/IceScan/icesockets
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv16694/icesockets

Modified Files:
	crawsocket.h 
Log Message:
no message

Index: crawsocket.h
===================================================================
RCS file: /cvsroot/javanetsim/IceScan/icesockets/crawsocket.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** crawsocket.h	13 Dec 2006 13:22:00 -0000	1.4
--- crawsocket.h	13 Dec 2006 18:28:21 -0000	1.5
***************
*** 203,206 ****
--- 203,266 ----
          }
          
+         
+          int send_tcp_raw2( icestring source, icestring destination, unsigned short sport, unsigned short dport, unsigned long seq,
+                           unsigned long ack, unsigned char flags, unsigned short window, char *data, unsigned short datalen)
+         {
+ 
+ 
+             char packet[sizeof(struct tcphdr) + datalen];
+ 
+             struct tcphdr *tcp = (struct tcphdr *) (packet);
+             //struct pseudo_header *pseudo =  (struct pseudo_header *) (packet - sizeof(struct pseudo_header));
+             int res;
+             char myname[ICEMAXHOSTNAME + 1];
+ 
+             struct sockaddr_in saddress, daddress;
+             int slen, dlen;
+ 
+             slen == make_sockname(saddress, source.c_str(), 0, domain);
+             dlen == make_sockname(daddress, destination.c_str(), 0, domain);
+ 
+             bzero(packet, sizeof(tcphdr));
+ 
+ //            pseudo->s_addr = saddress.sin_addr.s_addr;
+ //            pseudo->d_addr = daddress.sin_addr.s_addr;
+ //            pseudo->protocol = IPPROTO_TCP;
+ //            pseudo->length = htons(sizeof(struct tcphdr) + datalen);
+ 
+             tcp->th_sport = htons(sport);
+             tcp->th_dport = htons(dport);
+             if (seq)
+               tcp->th_seq = htonl(seq);
+             else tcp->th_seq = rand() + rand();
+ 
+             if (flags & TH_ACK && ack)
+               tcp->th_ack = htonl(seq);
+             else if (flags & TH_ACK)
+               tcp->th_ack = rand() + rand();
+ 
+             tcp->th_off = 5; 
+             tcp->th_flags = flags;
+ 
+             unsigned short ttl = 121;
+             
+             if (window)
+               tcp->th_win = window;
+             else tcp->th_win = htons(1024 * (ttl % 4 + 1)); 
+ 
+             tcp->th_sum = in_chksum((unsigned short *)tcp, sizeof(struct tcphdr) + datalen);
+ 
+  
+             //print_tcppacket(packet,ntohs(ip->tot_len));
+ 
+             if ((res = sendto(destination.c_str(), packet, ntohs(sizeof(struct tcphdr) + datalen), 0)) == -1)
+             {
+                     perror("sendto in send_tcp_raw");
+                     return -1;
+             }
+ 
+             return res;
+         }
+         
          static int print_tcppacket(char *packet, int readdata) {
              struct iphdr *ip = (struct iphdr *) packet;