From 09ea945c3908fd42e90eb64c194d9af11d174206 Mon Sep 17 00:00:00 2001
From: Kristian Lyngstol <kristian@bohemians.org>
Date: Tue, 12 Apr 2016 18:01:32 +0200
Subject: Actual initial import

Fetched from tgmanage.
---
 include/nms.pm | 186 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100755 include/nms.pm

(limited to 'include/nms.pm')

diff --git a/include/nms.pm b/include/nms.pm
new file mode 100755
index 0000000..2ec922b
--- /dev/null
+++ b/include/nms.pm
@@ -0,0 +1,186 @@
+#! /usr/bin/perl
+use strict;
+use warnings;
+use DBI;
+use Net::OpenSSH;
+use Net::Telnet;
+use Data::Dumper;
+use FileHandle;
+use JSON;
+package nms;
+
+use base 'Exporter';
+our @EXPORT = qw(switch_disconnect switch_connect_ssh switch_connect_dlink switch_exec switch_exec_json switch_timeout db_connect);
+
+BEGIN {
+	require "config.pm";
+	eval {
+		require "config.local.pm";
+	};
+}
+
+
+sub db_connect {
+	my $connstr = "dbi:Pg:dbname=" . $nms::config::db_name;
+	$connstr .= ";host=" . $nms::config::db_host unless (!defined($nms::config::db_host));
+
+	my $dbh = DBI->connect($connstr,
+	                       $nms::config::db_username,
+	                       $nms::config::db_password, {AutoCommit => 0})
+	        or die "Couldn't connect to database";
+	return $dbh;	
+}
+
+sub switch_connect_ssh($) {
+	my ($ip) = @_;
+	my $ssh = Net::OpenSSH->new($ip, 
+		user => $nms::config::tacacs_user,
+		password => $nms::config::tacacs_pass,
+		master_opts => [ "-o", "StrictHostKeyChecking=no" ]);
+	my ($pty, $pid) = $ssh->open2pty({stderr_to_stdout => 1})
+		or die "unable to start remote shell: " . $ssh->error;
+
+	my $dumplog = FileHandle->new;
+	$dumplog->open(">>/tmp/dumplog-queue") or die "/tmp/dumplog-queue: $!";
+	#$dumplog->print("\n\nConnecting to " . $ip . "\n\n");
+
+	my $inputlog = FileHandle->new;
+	$inputlog->open(">>/tmp/inputlog-queue") or die "/tmp/inputlog-queue: $!";
+	#$inputlog->print("\n\nConnecting to " . $ip . "\n\n");
+
+	my $telnet = Net::Telnet->new(-fhopen => $pty,
+				      -timeout => $nms::config::telnet_timeout,
+				      -dump_log => $dumplog,
+				      -input_log => $inputlog,
+				      -prompt => '/.*\@[a-z0-9-]+[>#] /',
+				      -telnetmode => 0,
+				      -cmd_remove_mode => 1,
+				      -output_record_separator => "\r");
+	$telnet->waitfor(-match => $telnet->prompt,
+	                 -errmode => "return")
+		or die "login failed: " . $telnet->lastline;
+
+	$telnet->cmd("set cli screen-length 0");
+
+	return { telnet => $telnet, ssh => $ssh, pid => $pid, pty => $pty };
+}
+
+sub switch_connect_dlink($) {
+	my ($ip) = @_;
+
+	my $dumplog = FileHandle->new;
+	$dumplog->open(">>/tmp/dumplog-queue") or die "/tmp/dumplog-queue: $!";
+	$dumplog->print("\n\nConnecting to " . $ip . "\n\n");
+
+	my $inputlog = FileHandle->new;
+	$inputlog->open(">>/tmp/inputlog-queue") or die "/tmp/inputlog-queue: $!";
+	$inputlog->print("\n\nConnecting to " . $ip . "\n\n");
+
+	my $conn = new Net::Telnet(	Timeout => $nms::config::telnet_timeout,
+					Dump_Log => $dumplog,
+					Input_Log => $inputlog,
+					Errmode => 'return',
+					Prompt => '/[\S\-\_]+[#>]/');
+	my $ret = $conn->open(	Host => $ip);
+	if (!$ret || $ret != 1) {
+		return (undef);
+	}
+	# Handle login with and without password
+	print "Logging in without password\n";
+	$conn->waitfor('/User ?Name:/');
+	$conn->print('admin');
+	my (undef, $match) = $conn->waitfor('/DGS-3100#|Password:/');
+	die 'Unexpected prompt after login attempt' if (not defined $match);
+	if ($match eq 'Password:') {
+		$conn->print('gurbagurba'); # Dette passordet skal feile
+		$conn->waitfor('/User ?Name:/');
+		$conn->print($nms::config::tacacs_user);
+		my (undef, $match) = $conn->waitfor('/DGS-3100#|Password:/');
+		if ($match eq 'Password:') {
+			$conn->cmd($nms::config::tacacs_pass);
+		}
+	}
+	return { telnet => $conn };
+}
+
+# Send a command to switch and return the data recvied from the switch
+sub switch_exec {
+	my ($cmd, $conn, $print) = @_;
+
+	sleep 1; # don't overload the D-Link
+
+	# Send the command and get data from switch
+	my @data;
+	if (defined($print)) {
+		$conn->print($cmd);
+		return;
+	} else {
+		@data = $conn->cmd($cmd);
+		print "ERROR: " . $conn->errmsg . "\n" if $conn->errmsg;
+	}
+	return @data;
+}
+
+sub switch_exec_json($$) {
+	my ($cmd, $conn) = @_;
+	my @json = switch_exec("$cmd | display json", $conn);
+	pop @json; # Remove the banner at the end of the output
+		return ::decode_json(join("", @json));
+}
+
+sub switch_timeout {
+	my ($timeout, $conn) = @_;
+
+	$conn->timeout($timeout);
+	return ('Set timeout to ' . $timeout);
+}
+
+sub switch_disconnect($) {
+	my ($struct) = @_;
+	my $conn = $struct->{telnet};
+	$conn->close();
+	if ($struct->{pid}) {
+		waitpid($struct->{pid}, 0);
+	}
+}
+# A few utilities to convert from SNMP binary address format to human-readable.
+
+sub convert_mac {
+	return join(':', map { sprintf "%02x", $_ } unpack('C*', shift));
+}
+
+sub convert_ipv4 {
+	return join('.', map { sprintf "%d", $_ } unpack('C*', shift));
+}
+
+sub convert_ipv6 {
+	return join(':', map { sprintf "%x", $_ } unpack('n*', shift));
+}
+
+sub convert_addr {
+	my ($data, $type) = @_;
+	if ($type == 1) {
+		return convert_ipv4($data);
+	} elsif ($type == 2) {
+		return convert_ipv6($data);
+	} else {
+		die "Unknown address type $type";
+	}
+}
+
+# Convert raw binary SNMP data to list of bits.
+sub convert_bytelist {
+	return split //, unpack("B*", shift);
+}
+
+sub convert_lldp_caps {
+	my ($caps_data, $data) = @_;
+
+        my @caps = convert_bytelist($caps_data);
+        my @caps_names = qw(other repeater bridge ap router telephone docsis stationonly);
+        for (my $i = 0; $i < scalar @caps && $i < scalar @caps_names; ++$i) {
+		$data->{'cap_enabled_' . $caps_names[$i]} = $caps[$i];
+        }
+}
+
+1;
-- 
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