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#!/usr/bin/perl -w
use strict;
use Net::Telnet;
use Getopt::Long;
# Created by: David Van Ginneken
# Bird's the Word Technologies
# davevg@btwtech.com
#
# And distributed under the terms of the GPL
#
my ($user, $pw, $host, $port) = (undef, undef, 'localhost', 5038);
process_credentials('/etc/astcli.conf');
process_credentials("$ENV{HOME}/.astcli");
GetOptions("username=s" => \$user, "secret=s" => \$pw, "host=s" => \$host, "port=s" => \$port);
my $action = join(" ", @ARGV);
&usage if (!defined $user || !defined $pw);
my $tc = new Net::Telnet (Timeout => 10,
Errmode => "die",
Host => $host,
Port => $port);
# Login with our username and secret.
$tc->open ();
$tc->print ("Action: Login");
$tc->print ("Username: $user");
$tc->print ("Secret: $pw");
$tc->print ("Events: off");
$tc->print ("");
# Check for login success.
my ($pre, $match) = $tc->waitfor ("/Message: .*/");
unless (($pre =~ m/Success/) && ($match =~ m/Authentication/)) {
print "Server Authentication failed.\n";
exit;
}
# Send a single command to the manager connection handle (global $tc).
# Assumes things always work well :-)
sub send_command($) {
my $command = shift;
$tc->print ("Action: Command");
$tc->print ("Command: $command");
$tc->print ("");
my ($pre, undef) = $tc->waitfor ("/--END COMMAND--.*/");
$pre =~ s/^\n\n//g;
$pre =~ s/Privilege: Command\n//;
$pre =~ s/Response: Follows\n//;
print $pre;
}
# If the user asked to send commands from standard input:
if ($action eq '-') {
while (<>) {
chomp;
send_command($_)
}
exit 0;
}
# Otherwise just send the command:
send_command($action);
# parses a configuration file into the global $user and $pw.
sub process_credentials {
# Process the credentials found..
my $file = shift;
# silently fail if we can't read the file:
return unless (-r $file);
open (my $fh, "<$file") or return;
while (<$fh>) {
chomp;
(undef,$user) = split(/[,=]/, $_) if $_ =~ /user(name)?[,=]/i;
(undef,$pw) = split(/[,=]/, $_) if $_ =~ /(secret|passw(or)?d|pwd?)[,=]/i;
(undef,$host) = split(/[,=]/, $_) if $_ =~ /host(name)?[,=]/i;
(undef,$port) = split(/[,=]/, $_) if $_ =~ /port(num|no)?[,=]/i;
}
}
sub usage {
print STDERR "astcli [-u <username> -s <passwd>] [-h host] [-p port] <cli-command>\n";
print STDERR " (command '-' - take commands from input)\n";
exit;
}
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