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use nmap command to find if snmp port is enabled

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This commit is contained in:
Casandra Qiu 2016-03-28 21:44:19 -04:00
parent 4488c24a30
commit 7f9b5e8b57
1 changed files with 36 additions and 50 deletions
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86
xCAT-server/lib/xcat/plugins/switchdiscover.pm
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@ -807,9 +807,8 @@ sub snmp_scan {
my $ccmd;
my $switches;
my $counter = 0;
my @iplists = ();
# snmpwalk command has to be available for snmp_scan
if (-x "/usr/bin/snmpwalk" ){
send_msg($request, 0, "Discovering switches using snmpwalk.....");
} else {
@ -824,63 +823,46 @@ sub snmp_scan {
##################################################
my $ranges = get_ip_ranges($request);
#push each ip to ip list (need better code?)
foreach my $ips (@$ranges) {
#process ip address 1.2.3.4-5 format
if ($ips =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\-(\d+)$/) {
my $startip = "$1.$2.$3.$4";
my $endip = "$1.$2.$3.$5";
my $iplist = xCAT::NetworkUtils->get_allips_in_range($startip, $endip, 1);
foreach (@$iplist) {
push (@iplists, $_);
}
}
#process ip address 1.2.3-4.5 format
if ($ips =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\-(\d{1,3})\.(\d{1,3})$/) {
my $beginip = $3;
my $endip = $4;
while ( $beginip <= $endip ) {
my $tip = "$1.$2.$beginip.$5";
push (@iplists, $tip);
$beginip++;
}
}
#process ip address 1.2-3.4.5 format
if ($ips =~ /^(\d{1,3})\.(\d{1,3})\-(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/) {
my $beginip = $2;
my $endip = $3;
while ( $beginip <= $endip ) {
my $tip = "$1.$beginip.$4.$5";
push (@iplists, $tip);
$beginip++;
}
}
#process ip address 1.2.3.4/24 format
if ($ips =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\/(\d+)$/) {
my ($startip, $mask) = split '/', $ips;
$mask = xCAT::NetworkUtils::formatNetmask($mask, 1, 0);
my $endip = xCAT::NetworkUtils->getBroadcast($startip, $mask);
my $iplist = xCAT::NetworkUtils->get_allips_in_range($startip, $endip, 1);
foreach (@$iplist) {
push (@iplists, $_);
}
}
#process single ip address 1.2.3.4
if ($ips =~ /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/) {
push (@iplists, $ips);
}
#use nmap to find if snmp port is enabled
$ccmd = "/usr/bin/nmap -P0 -v -sU -p 161 -oA snmp_scan @$ranges | grep 'open port 161' ";
if (exists($globalopt{verbose})) {
send_msg($request, 0, "Process command: $ccmd\n");
}
foreach my $ip (@iplists) {
my $result = xCAT::Utils->runcmd($ccmd, 0);
if ($::RUNCMD_RC != 0)
{
send_msg($request, 1, "Could not process this command: $ccmd" );
return 1;
}
#################################################
#display the raw output
#################################################
if (exists($globalopt{r})) {
send_msg($request, 0, "$result\n" );
} else {
if (exists($globalopt{verbose})) {
send_msg($request, 0, "$result\n" );
}
}
my @lines = split /\n/, $result;
# only open port will be scan
foreach my $line (@lines) {
my $ip = `echo "$line\n" |awk '{printf \$6}'`;
if (exists($globalopt{verbose})) {
send_msg($request, 0, "Run snmpwalk command to get information for $ip");
}
my $vendor = get_snmpvendorinfo($request, $ip);
if ($vendor) {
my $hostname;
my $mac = get_snmpmac($request, $ip);
if (!$mac) {
$mac="nomac_nmap_$counter";
$counter++;
}
$hostname = get_snmphostname($hostname, $ip);
my $hostname = get_snmphostname($request, $ip);
my $stype = get_switchtype($vendor);
$switches->{$mac}->{ip} = $ip;
$switches->{$mac}->{vendor} = $vendor;
@ -1024,6 +1006,10 @@ sub get_hostname {
my $host = shift;
my $ip = shift;
if ($host) {
return $host;
}
if ( !$host ) {
$host = gethostbyaddr( inet_aton($ip), AF_INET );
if ( !$host ) {