[PATCHed] Print IP addresses with --packet-trace -sO

The attached patch (/nmap SVN r4466) prints the IP addresses in
ippackethdrinfo() when it encounters an unknown protocol. This function
is mainly used when doing --packet-trace, and we get unknown protocols a
lot when using -sO.

Lemme know what you think.

Thanks,
Kris Katterjohn

Index: tcpip.cc
===================================================================
--- tcpip.cc (revision 4465)
+++ tcpip.cc (revision 4466)
@@ -636,8 +636,8 @@
     snprintf(protoinfo, sizeof(protoinfo), "ICMP %s > %s %s (type=%d/code=%d) %s",
              srchost, dsthost, icmptype, ping->type, ping->code, ipinfo);
   } else {
- snprintf(protoinfo, sizeof(protoinfo), "Unknown protocol (%d): %s",
- ip->ip_p, ipinfo);
+ snprintf(protoinfo, sizeof(protoinfo), "Unknown protocol (%d) %s > %s: %s",
+ ip->ip_p, srchost, dsthost, ipinfo);
   }
 
   return protoinfo;

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