#! @PERLV_PATH@
##
## $Id: brancid.in,v 1.21 2005/06/15 20:55:13 heas Exp $
## hacked version of Hank's rancid - this one tries to deal with Bay's.
##
## Copyright (C) 1997-2004 by Terrapin Communications, Inc.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed
## without fee for non-commerical purposes provided that this license
## remains intact and unmodified with any RANCID distribution.
##
## There is no warranty or other guarantee of fitness of this software.
## It is provided solely "as is". The author(s) disclaim(s) all
## responsibility and liability with respect to this software's usage
## or its effect upon hardware, computer systems, other software, or
## anything else.
##
## Except where noted otherwise, rancid was written by and is maintained by
## Henry Kilmer, John Heasley, Andrew Partan, Pete Whiting, and Austin Schutz.
##
#
# RANCID - Really Awesome New Cisco confIg Differ
#
# usage: rancid [-d] [-l] [-f filename | $host]
#
use Getopt::Std;
getopts('dfl');
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$clean_run = 0;
$found_end = 0;
$timeo = 90; # blogin timeout in seconds
my(@commandtable, %commands, @commands);# command lists
my(%filter_pwds); # password filtering mode
# This routine is used to print out the router configuration
sub ProcessHistory {
my($new_hist_tag,$new_command,$command_string,@string) = (@_);
if ((($new_hist_tag ne $hist_tag) || ($new_command ne $command))
&& defined %history) {
print eval "$command \%history";
undef %history;
}
if (($new_hist_tag) && ($new_command) && ($command_string)) {
if ($history{$command_string}) {
$history{$command_string} = "$history{$command_string}@string";
} else {
$history{$command_string} = "@string";
}
} elsif (($new_hist_tag) && ($new_command)) {
$history{++$#history} = "@string";
} else {
print "@string";
}
$hist_tag = $new_hist_tag;
$command = $new_command;
1;
}
sub numerically { $a <=> $b; }
# This is a sort routine that will sort numerically on the
# keys of a hash as if it were a normal array.
sub keynsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort numerically keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# keys of a hash as if it were a normal array.
sub keysort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# values of a hash as if it were a normal array.
sub valsort{
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort values %lines) {
$sorted_lines[$i] = $key;
$i++;
}
@sorted_lines;
}
# This is a numerical sort routine (ascending).
sub numsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $num (sort {$a <=> $b} keys %lines) {
$sorted_lines[$i] = $lines{$num};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# ip address when the ip address is anywhere in
# the strings.
sub ipsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $addr (sort sortbyipaddr keys %lines) {
$sorted_lines[$i] = $lines{$addr};
$i++;
}
@sorted_lines;
}
# These two routines will sort based upon IP addresses
sub ipaddrval {
my(@a) = ($_[0] =~ m#^(\d+)\.(\d+)\.(\d+)\.(\d+)$#);
$a[3] + 256 * ($a[2] + 256 * ($a[1] +256 * $a[0]));
}
sub sortbyipaddr {
&ipaddrval($a) <=> &ipaddrval($b);
}
# This routine parses "show config"
sub ShowConfig {
print STDERR " In ShowConfig: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
next if (/^(\s*|\s*$cmd\s*)$/);
next if (/^Reading configuration information/);
next if (/^Can\'t find object or class named \"\-all\"\s*$/);
next if (/lock-address .*$/);
next if (/^\# *uptime +\d+\s*$/);
if (/community label /) {
if (defined($ENV{'NOCOMMSTR'})) {
$_ =~ s/community label .*$/community label /;
}
}
return(1) if /(invalid command name)/;
ProcessHistory("","","","$_");
}
# ProcessHistory("","","","!$_");
if (/exit$/) {
$found_end = 1;
return(1);
}
return(0);
}
# This routine parses single command's that return no required info
sub RunCommand {
print STDERR " In RunCommand: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
next if (/^(\s*|\s*$cmd\s*)$/);
# prompt may have changed
if (/\>/) {
$prompt = ($_ =~ /^([^>]+>)/)[0];
$prompt =~ s/([][])/\\$1/g;
last;
}
}
return(0)
}
# dummy function
sub DoNothing {print STDOUT;}
# Main
@commandtable = (
{'bcc' => 'RunCommand'},
{'show config' => 'ShowConfig'},
{'show config -all' => 'ShowConfig'},
{'exit' => 'RunCommand'}
);
# Use an array to preserve the order of the commands and a hash for mapping
# commands to the subroutine and track commands that have been completed.
@commands = map(keys(%$_), @commandtable);
%commands = map(%$_, @commandtable);
$cisco_cmds=join(";",@commands);
$cmds_regexp=join("|",@commands);
open(OUTPUT,">$host.new") || die "Can't open $host.new for writing: $!\n";
select(OUTPUT);
# make OUTPUT unbuffered if debugging
if ($debug) { $| = 1; }
if ($file) {
print STDERR "opening file $host\n" if ($debug);
print STDOUT "opening file $host\n" if ($log);
open(INPUT,"<$host") || die "open failed for $host: $!\n";
} else {
print STDERR "executing blogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($debug);
print STDOUT "executing blogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($log);
if (defined($ENV{NOPIPE})) {
system "blogin -t $timeo -c \"$cisco_cmds\" $host $host.raw 2>&1" || die "blogin failed for $host: $!\n";
open(INPUT, "< $host.raw") || die "blogin failed for $host: $!\n";
} else {
open(INPUT,"blogin -t $timeo -c \"$cisco_cmds\" $host ) {
tr/\015//d;
if ( (/\>\s?logout$/) || $found_end ) {
$clean_run=1;
last;
}
if (/^Error:/) {
print STDOUT ("$host blogin error: $_");
print STDERR ("$host blogin error: $_") if ($debug);
$clean_run=0;
last;
}
while (/>\s*($cmds_regexp)\s*$/) {
$cmd = $1;
if (!defined($prompt)) {
$prompt = ($_ =~ /^([^>]+>)/)[0];
$prompt =~ s/([][}{)(\\])/\\$1/g;
print STDERR ("PROMPT MATCH: $prompt\n") if ($debug);
}
print STDERR ("HIT COMMAND:$_") if ($debug);
if (! defined($commands{$cmd})) {
print STDERR "$host: found unexpected command - \"$cmd\"\n";
$clean_run = 0;
last TOP;
}
$rval = &{$commands{$cmd}};
delete($commands{$cmd});
if ($rval == -1) {
$clean_run = 0;
last TOP;
}
}
}
print STDOUT "Done $logincmd: $_\n" if ($log);
# Flush History
ProcessHistory("","","","");
# Cleanup
close(INPUT);
close(OUTPUT);
if (defined($ENV{NOPIPE})) {
unlink("$host.raw") if (! $debug);
}
# check for completeness
if (scalar(%commands) || !$clean_run || !$found_end) {
if (scalar(%commands)) {
printf(STDOUT "$host: missed cmd(s): %s\n", join(',', keys(%commands)));
printf(STDERR "$host: missed cmd(s): %s\n", join(',', keys(%commands))) if ($debug);
}
if (!$clean_run || !$found_end) {
print STDOUT "$host: End of run not found\n";
print STDERR "$host: End of run not found\n" if ($debug);
system("/usr/bin/tail -1 $host.new");
}
unlink "$host.new" if (! $debug);
}