File: [local] / trango / Net-Telnet-Trango / scripts / update_trango.pl (download)
Revision 1.3, Wed Nov 16 20:48:48 2005 UTC (18 years, 10 months ago) by andrew
Branch: MAIN
Changes since 1.2: +181 -48 lines
add some files for testing, and it seems to work. need to get some logging, but it is pretty good.
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#!/usr/bin/perl
# $RedRiver: update_trango.pl,v 1.2 2005/11/16 05:26:37 andrew Exp $
########################################################################
# update_trango.pl *** Updates trango foxes with a new firmware
#
# 2005.11.15 #*#*# andrew fresh <andrew@mad-techies.org>
########################################################################
use strict;
use warnings;
use Net::Telnet;
use Net::TFTP;
#use YAML;
my $config_file = shift || 'fox53.conf';
my $conf = read_conf($config_file);
my $max_tries = 1;
foreach my $fox (@{ $conf->{'ips'} }) {
print STDERR "Updating: $fox\n";
## Connect and login.
my $host = new Net::Telnet (Timeout => 5,
Prompt => '/#> *$/');
print "Connecting to $fox\n";
$host->open($fox);
$host->dump_log('dump.log');
## Login to remote host.
$host->waitfor(
-match => '/password: ?$/i',
-errmode => "return",
) or die "problem connecting to host ($fox): ", $host->lastline;
my $login_banner = $host->lastline;
my ($type, $version) = $login_banner =~
/Welcome to Trango Broadband Wireless (\w+)-(.+)$/i;
if ($type ne $conf->{'type'}) {
print STDERR "Wrong type of unit ('$type' should be '$conf->{'type'}')\n";
$host->close;
next;
}
if ($version eq $conf->{'ver'}) {
print STDERR "Already up to date with firmware version '$version'\n";
$host->close;
next;
}
print "Logging in\n";
$host->print($conf->{'password'});
$host->waitfor(
-match => $host->prompt,
-errmode => "return",
) or die "login ($fox) failed: ", $host->lastline;
print "Sending commands\n";
## Send commands
if ( upload($host, $fox, $conf->{'file_name'}) ) {
print "Rebooting\n";
$host->print("reboot\n");
$host->getline;
} else {
print "Exiting\n";
$host->print("exit\n");
$host->getline;
}
$host->close;
}
sub upload
{
my $host = shift;
my $fox = shift;
my $file = shift;
print "Getting current version\n";
my $ver = get_ver($host);
if (
$ver->{'Firmware Version'} eq $conf->{'ver'} &&
$ver->{'Firmware Checksum'} eq $conf->{'cksum'}
) {
print STDERR "Already updated!";
return 1;
}
my $try = 0;
while (1) {
if ($try >= $max_tries) {
print STDERR "Couldn't update in $max_tries tries!";
return undef;
}
$try++;
#sysinfo($host);
print "Enabling TFTPd\n";
enable_tftpd($host) || die "Couldn't enable tftpd";
print "Uploading file\n";
# use tftp to push the file up
my $tftp = Net::TFTP->new($fox, Mode => 'octet');
$tftp->put($file, $file)
or die "Error uploading: " . $tftp->error;
# waitfor some sort of output
# make sure it says 'Success.' otherwise error
#print "LAST: " . $host->lastline;
#my @lines = $host->getlines;
#print Dump \@lines;
print "Checking upload\n";
my $results = check_tftpd($host);
# check the 'File Length' against ???
if ( $results->{'File Checksum'} ne $conf->{'file_cksum'}) {
print STDERR "File checksum does not match config file!";
next;
}
if ($results->{'File Length'} !~ /^$conf->{'file_size'} bytes/) {
print STDERR "File length does not match config file!";
next;
}
if ( uc($results->{'File Name'}) ne uc($conf->{'file_name'}) ) {
print STDERR "File name does not match config file!";
next;
}
print "Updating flash\n";
$results = updateflash(
$host, $ver->{'Firmware Checksum'}, $conf->{'cksum'}
) or die "Couldn't update flash: " . $host->lastline;
unless (
defined $results->{'Checksum'} &&
$results->{'Checksum'} eq $conf->{'cksum'}
) {
print STDERR "Saved checksum does not match config file!";
next;
}
print STDERR "Successfully updated!\n";
return 1;
}
}
sub get_ver
{
my $host = shift;
return cmd($host, 'ver');
}
sub enable_tftpd
{
my $host = shift;
my $vals = cmd($host, 'tftpd on', 'Success.');
if ($vals->{'Tftpd'} eq 'listen') {
return $vals;
} else {
return undef;
}
}
sub check_tftpd
{
my $host = shift;
return cmd($host, 'tftpd', 'Success.');
}
sub sysinfo
{
my $host = shift;
return cmd($host, 'sysinfo', 'Success.');
}
sub updateflash
{
my $host = shift;
my $old = shift;
my $new = shift;
return undef unless $new;
return cmd($host, "updateflash mainimage $old $new", 'Success.', 90);
}
sub cmd
{
my $host = shift;
my $string = shift;
my $expect_last = shift;
my $timeout = shift || 5;
my @lines = $host->cmd(String => $string, Timeout => $timeout);
my $vals = decode_lines(@lines);
my $last = $host->lastline;
unless ($expect_last) {
return $vals;
}
if ($last =~ /$expect_last$/) {
return $vals;
} else {
warn "Error with command ($string): $last";
return undef;
}
}
sub decode_lines
{
my @lines = @_;
my %conf;
my $key = '';
my $val = '';
my $in_key = 0;
my $in_val = 0;
foreach my $line (@lines) {
my @chars = split //, $line;
my $last_key = '';
foreach my $c (@chars) {
if ($c eq '[' || $c eq "\r" || $c eq "\n") {
if ($c eq '[') {
$in_key = 1;
$in_val = 0;
} else {
$in_key = 0;
$in_val = 0;
}
if ($key) {
$key =~ s/^\s+//;
$key =~ s/\s+$//;
$val =~ s/^\s+//;
$val =~ s/\s+$//;
if ($key eq 'Checksum' && $last_key) {
# Special case for these bastids.
my $new = $last_key;
$new =~ s/\s+\S+$//;
$key = $new . " " . $key;
}
$last_key = $key;
$conf{$key} = $val;
$key = '';
$val = '';
}
} elsif ($c eq ']') {
$in_val = 1;
$in_key = 0;
$c = shift @chars;
} elsif ($in_key) {
$key .= $c;
} elsif ($in_val) {
$val .= $c;
}
}
}
#print Dump \%conf;
if (%conf) {
return \%conf;
} else {
return \@lines;
}
}
sub read_conf
{
my $file = shift;
my %conf;
my $in_ip_list = 0;
open my $fh, $file or die "Couldn't open file $file: $!";
while (<$fh>) {
chomp;
next if /^#/;
next if /^$/;
if ($in_ip_list) {
push @{ $conf{'ips'} }, $_;
} else {
my ($key, $val) = split /\s+/, $_, 2;
if (lc($key) eq 'ips') {
$in_ip_list = 1;
next;
}
$conf{ lc($key) } = $val;
}
}
close $fh;
#print Dump \%conf;
foreach (
'password',
'file_name', 'file_size', 'file_cksum',
'ver', 'cksum', 'ips',
) {
die "No $_ specified in config file!"
if (not exists $conf{$_});
}
return \%conf;
}