PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2025-12-22 23:49:03 +00:00
Code Issues Projects Releases Wiki Activity

Merging in r4769:4773 from /nmap-exp/soc07/nmap

Browse Source
This commit is contained in:
kris
2007-05-23 22:51:25 +00:00
parent b28da59dcb
commit aff1d727ef
3 changed files with 84 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
tcpip.cc
View File

@@ -535,6 +535,8 @@ static const char *ippackethdrinfo(const u8 *packet, u32 len) {
snprintf(protoinfo, sizeof(protoinfo), "ICMP %s > %s fragment %s (incomplete)", srchost, dsthost, ipinfo);
} else if (ip->ip_p == IPPROTO_ICMP) {
char icmptype[128];
char *ip2dst;
struct ip *ip2;
struct ppkt {
unsigned char type;
unsigned char code;
@@ -547,41 +549,67 @@ static const char *ippackethdrinfo(const u8 *packet, u32 len) {
case 0:
strcpy(icmptype, "Echo reply"); break;
case 3:
ip2 = (struct ip *) ((char *) ip + (ip->ip_hl * 4) + 8);
tcp = (struct tcp_hdr *) ((char *) ip2 + (ip2->ip_hl * 4));
udp = (struct udp_hdr *) ((char *) ip2 + (ip2->ip_hl * 4));
ip2dst = inet_ntoa(ip2->ip_dst);
switch (ping->code) {
case 0:
strcpy(icmptype, "network unreachable"); break;
snprintf(icmptype, sizeof icmptype, "network %s unreachable", ip2dst);
break;
case 1:
strcpy(icmptype, "host unreachable"); break;
snprintf(icmptype, sizeof icmptype, "host %s unreachable", ip2dst);
break;
case 2:
strcpy(icmptype, "protocol unreachable"); break;
snprintf(icmptype, sizeof icmptype, "protocol %u unreachable", ip2->ip_p);
break;
case 3:
strcpy(icmptype, "port unreachable"); break;
if (ip2->ip_p == IPPROTO_UDP)
snprintf(icmptype, sizeof icmptype, "port %u unreachable", ntohs(udp->uh_dport));
else if (ip2->ip_p == IPPROTO_TCP)
snprintf(icmptype, sizeof icmptype, "port %u unreachable", ntohs(tcp->th_dport));
else
strcpy(icmptype, "port unreachable");
break;
case 4:
strcpy(icmptype, "fragmentation required"); break;
strcpy(icmptype, "fragmentation required");
break;
case 5:
strcpy(icmptype, "source route failed"); break;
strcpy(icmptype, "source route failed");
break;
case 6:
strcpy(icmptype, "destination network unknown"); break;
snprintf(icmptype, sizeof icmptype, "destination network %s unknown", ip2dst);
break;
case 7:
strcpy(icmptype, "destination host unknown"); break;
snprintf(icmptype, sizeof icmptype, "destination host %s unknown", ip2dst);
break;
case 8:
strcpy(icmptype, "source host isolated"); break;
strcpy(icmptype, "source host isolated");
break;
case 9:
strcpy(icmptype, "destination network administratively prohibited"); break;
snprintf(icmptype, sizeof icmptype, "destination network %s administratively prohibited", ip2dst);
break;
case 10:
strcpy(icmptype, "destination host administratively prohibited"); break;
snprintf(icmptype, sizeof icmptype, "destination host %s administratively prohibited", ip2dst);
break;
case 11:
strcpy(icmptype, "network unreachable for TOS"); break;
snprintf(icmptype, sizeof icmptype, "network %s unreachable for TOS", ip2dst);
break;
case 12:
strcpy(icmptype, "host unreachable for TOS"); break;
snprintf(icmptype, sizeof icmptype, "host %s unreachable for TOS", ip2dst);
break;
case 13:
strcpy(icmptype, "communication administratively prohibited by filtering"); break;
strcpy(icmptype, "communication administratively prohibited by filtering");
break;
case 14:
strcpy(icmptype, "host precedence violation"); break;
strcpy(icmptype, "host precedence violation");
break;
case 15:
strcpy(icmptype, "precedence cutoff in effect"); break;
strcpy(icmptype, "precedence cutoff in effect");
break;
default:
strcpy(icmptype, "unknown unreachable code"); break;
strcpy(icmptype, "unknown unreachable code");
break;
}
break;
case 4: