version 1.1, 2005/11/16 03:28:42 |
version 1.3, 2005/11/16 20:48:48 |
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#!/usr/bin/perl
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#!/usr/bin/perl
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# $RedRiver$
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# $RedRiver: update_trango.pl,v 1.2 2005/11/16 05:26:37 andrew Exp $
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########################################################################
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########################################################################
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# update_trango.pl *** Updates trango foxes with a new firmware
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# update_trango.pl *** Updates trango foxes with a new firmware
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#
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#
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use warnings;
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use warnings;
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use Net::Telnet;
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use Net::Telnet;
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use Net::TFTP;
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#use YAML;
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my $config_file = shift || 'fox53.conf';
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my $conf = read_conf($config_file);
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my $max_tries = 1;
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foreach my $fox (@{ $conf->{'ips'} }) {
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print STDERR "Updating: $fox\n";
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## Connect and login.
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my $host = new Net::Telnet (Timeout => 5,
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Prompt => '/#> *$/');
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print "Connecting to $fox\n";
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$host->open($fox);
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$host->dump_log('dump.log');
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## Login to remote host.
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$host->waitfor(
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-match => '/password: ?$/i',
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-errmode => "return",
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) or die "problem connecting to host ($fox): ", $host->lastline;
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my $login_banner = $host->lastline;
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my ($type, $version) = $login_banner =~
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/Welcome to Trango Broadband Wireless (\w+)-(.+)$/i;
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if ($type ne $conf->{'type'}) {
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print STDERR "Wrong type of unit ('$type' should be '$conf->{'type'}')\n";
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$host->close;
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next;
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}
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if ($version eq $conf->{'ver'}) {
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print STDERR "Already up to date with firmware version '$version'\n";
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$host->close;
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next;
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}
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print "Logging in\n";
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$host->print($conf->{'password'});
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$host->waitfor(
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-match => $host->prompt,
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-errmode => "return",
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) or die "login ($fox) failed: ", $host->lastline;
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print "Sending commands\n";
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## Send commands
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if ( upload($host, $fox, $conf->{'file_name'}) ) {
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print "Rebooting\n";
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$host->print("reboot\n");
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$host->getline;
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} else {
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print "Exiting\n";
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$host->print("exit\n");
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$host->getline;
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}
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$host->close;
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}
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sub upload
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{
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my $host = shift;
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my $fox = shift;
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my $file = shift;
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print "Getting current version\n";
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my $ver = get_ver($host);
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if (
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$ver->{'Firmware Version'} eq $conf->{'ver'} &&
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$ver->{'Firmware Checksum'} eq $conf->{'cksum'}
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) {
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print STDERR "Already updated!";
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return 1;
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}
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my $try = 0;
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while (1) {
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if ($try >= $max_tries) {
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print STDERR "Couldn't update in $max_tries tries!";
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return undef;
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}
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$try++;
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#sysinfo($host);
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print "Enabling TFTPd\n";
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enable_tftpd($host) || die "Couldn't enable tftpd";
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print "Uploading file\n";
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# use tftp to push the file up
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my $tftp = Net::TFTP->new($fox, Mode => 'octet');
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$tftp->put($file, $file)
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or die "Error uploading: " . $tftp->error;
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# waitfor some sort of output
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# make sure it says 'Success.' otherwise error
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#print "LAST: " . $host->lastline;
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#my @lines = $host->getlines;
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#print Dump \@lines;
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print "Checking upload\n";
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my $results = check_tftpd($host);
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# check the 'File Length' against ???
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if ( $results->{'File Checksum'} ne $conf->{'file_cksum'}) {
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print STDERR "File checksum does not match config file!";
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next;
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}
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if ($results->{'File Length'} !~ /^$conf->{'file_size'} bytes/) {
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print STDERR "File length does not match config file!";
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next;
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}
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if ( uc($results->{'File Name'}) ne uc($conf->{'file_name'}) ) {
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print STDERR "File name does not match config file!";
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next;
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}
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print "Updating flash\n";
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$results = updateflash(
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$host, $ver->{'Firmware Checksum'}, $conf->{'cksum'}
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) or die "Couldn't update flash: " . $host->lastline;
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unless (
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defined $results->{'Checksum'} &&
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$results->{'Checksum'} eq $conf->{'cksum'}
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) {
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print STDERR "Saved checksum does not match config file!";
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next;
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}
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print STDERR "Successfully updated!\n";
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return 1;
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}
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}
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sub get_ver
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{
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my $host = shift;
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return cmd($host, 'ver');
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}
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sub enable_tftpd
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{
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my $host = shift;
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my $vals = cmd($host, 'tftpd on', 'Success.');
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if ($vals->{'Tftpd'} eq 'listen') {
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return $vals;
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} else {
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return undef;
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}
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}
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sub check_tftpd
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{
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my $host = shift;
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return cmd($host, 'tftpd', 'Success.');
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}
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sub sysinfo
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{
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my $host = shift;
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return cmd($host, 'sysinfo', 'Success.');
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}
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sub updateflash
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{
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my $host = shift;
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my $old = shift;
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my $new = shift;
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return undef unless $new;
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return cmd($host, "updateflash mainimage $old $new", 'Success.', 90);
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}
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sub cmd
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{
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my $host = shift;
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my $string = shift;
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my $expect_last = shift;
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my $timeout = shift || 5;
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my @lines = $host->cmd(String => $string, Timeout => $timeout);
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my $vals = decode_lines(@lines);
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my $last = $host->lastline;
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unless ($expect_last) {
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return $vals;
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}
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if ($last =~ /$expect_last$/) {
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return $vals;
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} else {
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warn "Error with command ($string): $last";
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return undef;
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}
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}
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sub decode_lines
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{
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my @lines = @_;
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my %conf;
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my $key = '';
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my $val = '';
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my $in_key = 0;
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my $in_val = 0;
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foreach my $line (@lines) {
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my @chars = split //, $line;
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my $last_key = '';
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foreach my $c (@chars) {
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if ($c eq '[' || $c eq "\r" || $c eq "\n") {
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if ($c eq '[') {
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$in_key = 1;
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$in_val = 0;
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} else {
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$in_key = 0;
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$in_val = 0;
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}
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if ($key) {
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$key =~ s/^\s+//;
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$key =~ s/\s+$//;
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$val =~ s/^\s+//;
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$val =~ s/\s+$//;
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if ($key eq 'Checksum' && $last_key) {
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# Special case for these bastids.
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my $new = $last_key;
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$new =~ s/\s+\S+$//;
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$key = $new . " " . $key;
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}
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$last_key = $key;
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$conf{$key} = $val;
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$key = '';
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$val = '';
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}
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} elsif ($c eq ']') {
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$in_val = 1;
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$in_key = 0;
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$c = shift @chars;
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} elsif ($in_key) {
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$key .= $c;
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} elsif ($in_val) {
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$val .= $c;
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}
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}
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}
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#print Dump \%conf;
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if (%conf) {
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return \%conf;
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} else {
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return \@lines;
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}
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}
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sub read_conf
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{
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my $file = shift;
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my %conf;
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my $in_ip_list = 0;
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open my $fh, $file or die "Couldn't open file $file: $!";
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while (<$fh>) {
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chomp;
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next if /^#/;
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next if /^$/;
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if ($in_ip_list) {
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push @{ $conf{'ips'} }, $_;
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} else {
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my ($key, $val) = split /\s+/, $_, 2;
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if (lc($key) eq 'ips') {
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$in_ip_list = 1;
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next;
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}
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$conf{ lc($key) } = $val;
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}
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}
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close $fh;
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#print Dump \%conf;
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foreach (
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'password',
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'file_name', 'file_size', 'file_cksum',
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'ver', 'cksum', 'ips',
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) {
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die "No $_ specified in config file!"
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if (not exists $conf{$_});
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}
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return \%conf;
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}
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