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o Fixed the NmapArpCache so that it actually works. Previously, Nmap

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was always falling back to the system ARP cache. Of course this
  raises the question of whether NmapArpCache is needed in the first
  place. [Daniel Roethlisberger]
This commit is contained in:
fyodor
2008-04-14 23:55:25 +00:00
parent 10899aba9b
commit f2938a2d37
2 changed files with 8 additions and 2 deletions
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5
CHANGELOG
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@@ -17,6 +17,11 @@ o Fixed a bunch of code to avoid compilation warning messages (at
o Added a new --min-rate option that allows specifying a minimum rate
at which to send packets.
o Fixed the NmapArpCache so that it actually works. Previously, Nmap
was always falling back to the system ARP cache. Of course this
raises the question of whether NmapArpCache is needed in the first
place. [Daniel Roethlisberger]
o Reformat Nmap COPYING file (e.g. remove C comment markers, reduce
line length) during Nmap windows build so that it looks much better
when presented by the Windows executable (NSIS) installer. Thanks

5
tcpip.cc
View File

@@ -2153,9 +2153,9 @@ static bool NmapArpCache(int command, struct sockaddr_storage *ss, u8 *mac) {
if (ArpCacheSz == ArpCapacity) {
if (ArpCapacity == 0) ArpCapacity = 32;
else ArpCapacity <<= 2;
Cache = (struct ArpCache *) safe_realloc(Cache,
ArpCapacity * sizeof(struct ArpCache));
}
Cache = (struct ArpCache *) safe_realloc(Cache,
ArpCapacity * sizeof(struct ArpCache));
/* Ensure that it isn't already there ... */
for(i=0; i < ArpCacheSz; i++) {
@@ -2168,6 +2168,7 @@ static bool NmapArpCache(int command, struct sockaddr_storage *ss, u8 *mac) {
/* Add it to the end of the list */
Cache[i].ip = sin->sin_addr.s_addr;
memcpy(Cache[i].mac, mac, 6);
ArpCacheSz++;
return true;
}