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added get_dns_servers() to nmap_dns.cc/.h

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pgpickering 2008-08-21 09:24:35 +00:00
parent 3c9833b57c
commit a5b421e67c
2 changed files with 19 additions and 0 deletions
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18
nmap_dns.cc
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@ -1326,3 +1326,21 @@ void nmap_mass_rdns(Target **targets, int num_targets) {
firstrun=0;
}
// Returns a list of known DNS servers
std::list<std::string> get_dns_servers() {
// if, for example, run with -n, list is not initialized,
// run empty nmap_mass_rdns to do so
if(servs.size() == 0 && firstrun) {
nmap_mass_rdns(NULL, 0);
}
std::list<dns_server *>::iterator servI;
std::list<std::string> serverList;
dns_server *tpserv;
for(servI = servs.begin(); servI != servs.end(); servI++) {
tpserv = *servI;
serverList.push_back(inet_ntoa(tpserv->addr.sin_addr));
}
return serverList;
}

1
nmap_dns.h
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@ -103,3 +103,4 @@ const char *lookup_cached_host(u32 ip);
void free_dns_servers();
void free_etchosts();
std::list<std::string> get_dns_servers();