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handle NAT corner case for snmp-recon.pl

This commit is contained in:
Akihiro Uchida 2015-12-11 14:50:47 +09:00
parent be0f4d6568
commit 0ad577941a
1 changed files with 28 additions and 1 deletions
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29
pandora_server/util/recon_scripts/snmp-recon.pl
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@ -762,8 +762,35 @@ sub host_connectivity($) {
sub create_pandora_agent($) {
my ($device) = @_;
my $agent;
my @agents = get_db_rows($DBH,
'SELECT * FROM taddress, taddress_agent, tagente
WHERE tagente.id_agente = taddress_agent.id_agent
AND taddress_agent.id_a = taddress.id_a
AND ip = ?', $device
);
# Does the host already exist?
my $agent = get_agent_from_addr($DBH, $device);
foreach my $candidate (@agents) {
$agent = {map {$_} %$candidate}; # copy contents, do not use shallow copy
# exclude $device itself, because it handle corner case when target includes NAT
my @registered = map {$_->{ip}} get_db_rows($DBH,
'SELECT ip FROM taddress, taddress_agent, tagente
WHERE tagente.id_agente = taddress_agent.id_agent
AND taddress_agent.id_a = taddress.id_a
AND tagente.id_agente = ?
AND taddress.ip != ?', $agent->{id_agente}, $device
);
foreach my $ip_addr (@registered) {
my @matched = grep { $_ =~ /^$ip_addr$/ } keys(%{$VISITED_DEVICES{$device}->{'addr'}});
if (scalar(@matched) == 0) {
$agent = undef;
last;
}
}
last if(defined($agent)); # exit loop if match all ip_addr
}
if (!defined($agent)) {
$agent = get_agent_from_name($DBH, $device);
}