PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2026-01-20 05:09:02 +00:00
Code Issues Projects Releases Wiki Activity

Add a special-case no-probe traceroute for directly connected targets.

Browse Source
This commit is contained in:
david
2009-09-17 15:03:13 +00:00
parent fa6002d4e3
commit 06cc9ad4d1
1 changed files with 32 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
traceroute.cc
View File

@@ -1368,12 +1368,18 @@ double TracerouteState::completion_fraction() const {
return sum / hosts.size();
}
static int traceroute_direct(std::vector<Target *> targets);
int traceroute(std::vector<Target *> &Targets) {
std::vector<Target *>::iterator target_iter;
if (Targets.empty() || Targets[0]->ifType() == devt_loopback)
return 1;
if (Targets[0]->directlyConnected())
/* Special case for directly connected targets. */
return traceroute_direct(Targets);
TracerouteState global_state(Targets);
global_id = get_random_u16();
@@ -1424,6 +1430,32 @@ int traceroute(std::vector<Target *> &Targets) {
return 1;
}
/* This is a special case of traceroute when all the targets are directly
connected. Because the distance to each target is known to be 1, we send no
probes at all, only fill in a TracerouteHop structure. */
static int traceroute_direct(std::vector<Target *> targets) {
std::vector<Target *>::iterator it;
for (it = targets.begin(); it != targets.end(); it++) {
TracerouteHop hop;
const char *hostname;
size_t sslen;
sslen = sizeof(hop.tag);
(*it)->TargetSockAddr(&hop.tag, &sslen);
hop.timedout = false;
hop.rtt = (*it)->to.srtt / 1000.0;
hostname = (*it)->HostName();
if (hostname != NULL && hostname[0] != '\0')
hop.name = hostname;
hop.addr = hop.tag;
hop.ttl = 1;
(*it)->traceroute_hops.push_front(hop);
}
return 1;
}
static struct timeval get_now(struct timeval *now) {
struct timeval tv;