#! @PERLV_PATH@
##
## Pretty huge hack to take care of Dell Switch configs
## d_pfleger@juniper.net
##
## @PACKAGE@ @VERSION@
## Copyright (C) 1997-2006 by Henry Kilmer.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed
## fee for non-commerical purposes provided that this copyright notice
## preserved intact on all copies and modified copies.
##
## 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.
##
##
#
# RANCID - Really Awesome New Cisco confIg Differ
#
# usage: rancid [-dV] [-l] [-f filename | hostname]
#
use Getopt::Std;
getopts('dflV');
if ($opt_V) {
print "@PACKAGE@ @VERSION@\n";
exit(0);
}
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$found_end = 0;
$timeo = 90; # hlogin timeout in seconds
my(@commandtable, %commands, @commands);# command lists
my(%filter_pwds); # password filtering mode
# This routine is used to print out the router configuration
sub ProcessHistory {
my($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 "dir"
sub Dir {
print STDERR " In Dir: $_" if ($debug);
while () {
s/^\s+\015//g;
tr/\015//d;
next if /^\s*$/;
last if(/$prompt/);
# pager remnants like: ^H^H^H ^H^H^H content
s/[\b]+\s*[\b]*//g;
ProcessHistory("COMMENTS","keysort","D1","! $_");
}
return(0);
}
sub ShowVer {
print STDERR " In ShowVer: $_" if ($debug);
while () {
tr/\015//d;
next if /^\s*$/;
last if(/$prompt/);
# pager remnants like: ^H^H^H ^H^H^H content
s/[\b]+\s*[\b]*//g;
ProcessHistory("COMMENTS","keysort","B1","! $_");
}
return(0);
}
sub ShowSys {
print STDERR " In ShowSys: $_" if ($debug);
while () {
s/^\s+\015//g;
tr/\015//d;
next if /^\s*$/;
last if(/$prompt/);
# pager remnants like: ^H^H^H ^H^H^H content
s/[\b]+\s*[\b]*//g;
# Remove Uptime
/ Up time/ && next;
/system description: (.*)/i &&
ProcessHistory("COMMENTS","keysort","A1", "!Chassis type: $1\n") &&
next;
ProcessHistory("COMMENTS","keysort","C1","! $_");
}
return(0);
}
sub ShowVlan {
print STDERR " In ShowVlan: $_" if ($debug);
while () {
s/^\s+\015//g;
tr/\015//d;
next if /^\s*$/;
last if(/$prompt/);
# pager remnants like: ^H^H^H ^H^H^H content
s/[\b]+\s*[\b]*//g;
# Remove Uptime
/ Up time/ && next;
ProcessHistory("COMMENTS","keysort","D1","! $_");
}
return(0);
}
# This routine processes a "write term" (aka show running-configuration)
sub WriteTerm {
my($comment) = (0);
print STDERR " In ShowRun: $_" if ($debug);
while () {
tr/\015//d;
next if /^\s*$/;
last if(/$prompt/);
# pager remnants like: ^H^H^H ^H^H^H content
s/[\b]+\s*[\b]*//g;
# skip consecutive comment lines
if (/^!/) {
next if ($comment);
ProcessHistory("","","",$_);
$comment++;
next;
}
$comment = 0;
/^building running-config/ && next;
/^------+/ && ProcessHistory("","","","!$_") && next;
/^router configuration/i && ProcessHistory("","","","!$_") && next;
/^oob host config/i && ProcessHistory("","","","!$_") && next;
/^empty configuration/i && ProcessHistory("","","","!$_") && next;
if (/^password (\S+) encrypted/ && $filter_pwds > 1) {
ProcessHistory("","","","!password encrypted\n");
next;
}
if (/^password (\S+)$/ && $filter_pwds >= 1) {
ProcessHistory("","","","!password \n");
next;
}
if (/^(enable password level \d+) (\S+) encrypted/ && $filter_pwds > 1){
ProcessHistory("","","","!$1 encrypted\n");
next;
}
if (/^(enable password level \d+) (\S+)$/ && $filter_pwds >= 1) {
ProcessHistory("","","","!$1 $'\n");
next;
}
# order/prune snmp-server host statements
# we only prune lines of the form
# snmp-server host a.b.c.d
if (/^(snmp-server host) (\d+\.\d+\.\d+\.\d+) (\S+)/) {
if (defined($ENV{'NOCOMMSTR'})) {
ProcessHistory("SNMPSERVERHOST","ipsort",
"$2","!$1 $2 $'");
} else {
ProcessHistory("SNMPSERVERHOST","ipsort","$2","$_");
}
next;
}
if (/^(snmp-server community) (\S+)/) {
if (defined($ENV{'NOCOMMSTR'})) {
ProcessHistory("SNMPSERVERCOMM","keysort",
"$_","!$1 $'") && next;
} else {
ProcessHistory("SNMPSERVERCOMM","keysort","$2","$_") && next;
}
}
# prune tacacs/radius server keys
if (/^(tacacs-server|radius-server) key \w+/ && $filter_pwds >= 1) {
ProcessHistory("","","","!$1 $'"); next;
}
ProcessHistory("","","","$_");
}
$found_end = 1;
return(1);
}
# dummy function
sub DoNothing {print STDOUT;}
# Main
@commandtable = (
{'show system' => 'ShowSys'},
{'show version' => 'ShowVer'},
{'dir' => 'Dir'},
{'show vlan' => 'ShowVlan'},
{'show running-config' => 'WriteTerm'}
);
# Use an array to preserve the order of the commands and a hash for mapping
# commands to the subroutine and track commands that have been completed.
@commands = map(keys(%$_), @commandtable);
%commands = map(%$_, @commandtable);
$cisco_cmds=join(";",@commands);
$cmds_regexp=join("|",@commands);
if (length($host) == 0) {
if ($file) {
print(STDERR "Too few arguments: file name required\n");
exit(1);
} else {
print(STDERR "Too few arguments: host name required\n");
exit(1);
}
}
open(OUTPUT,">$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 hlogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($debug);
print STDOUT "executing hlogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($log);
if (defined($ENV{NOPIPE})) {
system "hlogin -t $timeo -c \"$cisco_cmds\" $host $host.raw 2>&1" || die "hlogin failed for $host: $!\n";
open(INPUT, "< $host.raw") || die "hlogin failed for $host: $!\n";
} else {
open(INPUT,"hlogin -t $timeo -c \"$cisco_cmds\" $host ) {
tr/\015//d;
if (/^Error:/) {
print STDOUT ("$host dlogin error: $_");
print STDERR ("$host dlogin error: $_") if ($debug);
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";
last TOP;
}
$rval = &{$commands{$cmd}};
delete($commands{$cmd});
if ($rval == -1) {
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 (! $debug);
}
# check for completeness
if (scalar(%commands) || !$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 ($debug);
}
if (!$found_end) {
print STDOUT "$found_end: found end\n";
print STDOUT "$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);
}