PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2025-12-06 04:31:29 +00:00
Code Issues Projects Releases Wiki Activity

Correct the Target MAC Address in Nmap's ARP discovery to conform to what IP stacks in currently popular operating systems use.

Browse Source
This commit is contained in:
jay
2014-05-31 11:03:44 +00:00
parent b0303ac883
commit b6a994ea40
2 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
scan_engine.cc
View File

@@ -3284,7 +3284,10 @@ static UltraProbe *sendArpScanProbe(UltraScanInfo *USI, HostScanStats *hss,
ETH_TYPE_ARP);
arp_pack_hdr_ethip(frame + ETH_HDR_LEN, ARP_OP_REQUEST,
*hss->target->SrcMACAddress(), *hss->target->v4sourceip(),
ETH_ADDR_BROADCAST, *hss->target->v4hostip());
"\x00\x00\x00\x00\x00\x00", *hss->target->v4hostip());
// RFC 826 says that the ar$tha field need not be set to anything in particular (i.e. its value doesn't matter)
// We use 00:00:00:00:00:00 since that is what IP stacks in currently popular operating systems use
gettimeofday(&USI->now, NULL);
probe->sent = USI->now;
hss->probeSent(sizeof(frame));