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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
tcpip.cc
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@@ -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;
}