#! /usr/bin/perl
##
## $Id: rancid.in 2168 2010-03-23 23:19:15Z heas $
##
## rancid 2.3.3
## Copyright (c) 1997-2009 by Terrapin Communications, Inc.
## All rights reserved.
##
## This code is derived from software contributed to and maintained by
## Terrapin Communications, Inc. by Henry Kilmer, John Heasley, Andrew Partan,
## Pete Whiting, Austin Schutz, and Andrew Fort.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
##    notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
##    notice, this list of conditions and the following disclaimer in the
##    documentation and/or other materials provided with the distribution.
## 3. All advertising materials mentioning features or use of this software
##    must display the following acknowledgement:
##        This product includes software developed by Terrapin Communications,
##        Inc. and its contributors for RANCID.
## 4. Neither the name of Terrapin Communications, Inc. nor the names of its
##    contributors may be used to endorse or promote products derived from
##    this software without specific prior written permission.
## 5. It is requested that non-binding fixes and modifications be contributed
##    back to Terrapin Communications, Inc.
##
## THIS SOFTWARE IS PROVIDED BY Terrapin Communications, INC. AND CONTRIBUTORS
## ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
## PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COMPANY OR CONTRIBUTORS
## BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
## CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
## SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
## POSSIBILITY OF SUCH DAMAGE.
#
#  RANCID - Really Awesome New Cisco confIg Differ
#
# usage: rancid [-dV] [-l] [-f filename | hostname]
#
use Getopt::Std;
getopts('dflV');
if ($opt_V) {
    print "rancid 2.3.3\n";
    exit(0);
}
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$proc = "";
$ios = "IOS";
$clean_run = 0;
$found_end = 0;
$found_version = 0;
$found_env = 0;
$found_diag = 0;
$timeo = 90;				# clogin timeout in seconds

my(@commandtable, %commands, @commands);# command lists
my($aclsort) = ("ipsort");		# ACL sorting mode
my($config_register);			# configuration register value
my($filter_commstr);			# SNMP community string filtering
my($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 version"
sub ShowVersion {
    print STDERR "    In ShowVersion: $_" if ($debug);
    my($slaveslot);

    while (<INPUT>) {
	tr/\015//d;
	if (/^$prompt/) { $found_version = 1; last};
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(0) if ($found_version);		# Only do this routine once
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^Slave in slot (\d+) is running/) {
	    $slave = " Slave:";
	    $slaveslot = ", slot $1";
	    next;
	}
	if (/cisco ios xr /i) { $ios = "XR"; }
	if (/cisco ios .* IOS-XE/i) { $ios = "XE"; }
	if (/^Application and Content Networking Software/) { $type = "CE"; }
	# treat the ACE like the Content Engines for matching endofconfig
	if (/^Cisco Application Control Software/) { $type = "CE"; }
	if (/^Cisco Storage Area Networking Operating System/) { $type = "SAN";}
	if (/^Cisco Nexus Operating System/) { $type = "NXOS";}
	/^Application and Content Networking Software Release /i &&
	    ProcessHistory("COMMENTS","keysort","F1", "!Image: $_") && next;
	/^Cisco Secure PIX /i &&
	    ProcessHistory("COMMENTS","keysort","F1", "!Image: $_") && next;
	# PIX 6 fail-over license, as in "This PIX has an Unrestricted (UR)
	# license."  PIX 7 as "his platform has ..."
	/^This (PIX|platform) has an?\s+(.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","D1", "!$_") && next;
	/^(Cisco )?IOS .* Software,? \(([A-Za-z0-9_-]*)\), .*Version\s+(.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","F1",
		"!Image:$slave Software: $2, $3\n") && next;
	/^([A-Za-z-0-9_]*) Synced to mainline version: (.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","F2",
		"!Image:$slave $1 Synced to mainline version: $2\n") && next;
	/^Compiled (.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","F3",
		"!Image:$slave Compiled: $1\n") && next;
	/^ROM: (IOS \S+ )?(System )?Bootstrap.*(Version.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","G1",
		"!ROM Bootstrap: $3\n") && next;
	if (/^Hardware:\s+(.*), (.* RAM), CPU (.*)$/) {
	    ProcessHistory("COMMENTS","keysort","A1",
		"!Chassis type: $1 - a PIX\n");
	    ProcessHistory("COMMENTS","keysort","A2",
		"!CPU: $3\n");
	    ProcessHistory("COMMENTS","keysort","B1", "!Memory: $2\n");
	}
	/^Serial Number:\s+(.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","C1", "!$_") && next;
	# More PIX stuff
	/^Encryption hardware device\s+:\s+(.*)/ &&
	    ProcessHistory("COMMENTS","keysort","A3", "!Encryption: $1\n") &&
	    next;
	/^running activation key\s*:\s+(.*)/i &&
	    ProcessHistory("COMMENTS","keysort","D2", "!Key: $1\n") &&
	    next;
	# Flash on the PIX or FWSM (FireWall Switch Module)
	/^Flash(\s+\S+)+ \@ 0x\S+,\s+(\S+)/ &&
	    ProcessHistory("COMMENTS","keysort","B2", "!Memory: Flash $2\n") &&
	    next;
	# CatOS 3500xl stuff
	/^System serial number(:\s+.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","C1", "!Serial Number$1\n") &&
	    next;
	/^Model / &&
	    ProcessHistory("COMMENTS","keysort","C2", "!$_") && next;
	/^Motherboard / &&
	    ProcessHistory("COMMENTS","keysort","C3", "!$_") && next;
	/^Power supply / &&
	    ProcessHistory("COMMENTS","keysort","C4", "!$_") && next;

	/^Activation Key:\s+(.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","C2", "!$_") && next;
	/^ROM: \d+ Bootstrap .*(Version.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","G2",
		"!ROM Image: Bootstrap $1\n!\n") && next;
	/^ROM: .*(Version.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","G3","!ROM Image: $1\n") && next;
	/^BOOTFLASH: .*(Version.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","G4","!BOOTFLASH: $1\n") && next;
	/^BOOTLDR: .*(Version.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","G4","!BOOTLDR: $1\n") && next;
	/^System image file is "([^\"]*)", booted via (\S*)/ &&
# removed the booted source due to
# CSCdk28131: cycling info in 'sh ver'
#	ProcessHistory("COMMENTS","keysort","F4","!Image: booted via $2, $1\n") &&
	    ProcessHistory("COMMENTS","keysort","F4","!Image: booted $1\n") &&
	    next;
	/^System image file is "([^\"]*)"$/ &&
	    ProcessHistory("COMMENTS","keysort","F5","!Image: $1\n") && next;
	if (/(\S+(?:\sseries)?)\s+(?:\((\S+)\)\s+processor|\(revision[^)]+\)).*\s+with (\S+k) bytes/i) {
	    $proc = $1;
	    my($cpu) = $2;
	    my($mem) = $3;
	    my($device) = "router";

	    # the next line ought to be the more specific cpu info, grab it.
	    # yet, some boards/IOS vers have a processor ID line between these
	    # two.  grrr.  make sure we dont grab the "software" junk that
	    # follows these lines by looking for "CPU at " or the 2600s
	    # "processor: " unique string.  there are undoubtedly many other
	    # incantations.  for a slave, we dont get this info, its just a
	    # blank line.
	    $_ = <INPUT>;
	    if (/processor board id/i) {
		my($sn);

		if (/processor board id (\S+)/i) {
		    $sn = $1;
		    $sn =~ s/,$//;
		    ProcessHistory("COMMENTS","keysort","D9",
				   "!Processor ID: $sn\n");
		}
		$_ = <INPUT>;
	    }
	    $_ = "" if (! /(cpu at |processor: |$cpu processor,)/i);
	    tr/\015//d;
	    s/implementation/impl/i;
	    if ($_ !~ /^\s*$/) {
		chomp;
		s/^/, /;
	    }

	    if ($proc eq "CSC") {
		$type = "AGS";
	    } elsif ($proc eq "CSC4") {
		$type = "AGS+";
	    } elsif ($proc =~ /1900/) {
		$type = "1900";
		$device = "switch";
	    } elsif ($proc =~ /^(AS)?25[12][12]/) {
		$type = "2500";
	    } elsif ($proc =~ /261[01]/ || $proc =~ /262[01]/ ) {
		$type = "2600";
	    } elsif ($proc =~ /WS-C29/) {
		$type = "2900XL";
		$device = "switch";
	    } elsif ($proc =~ /WS-C355/) {
		$type = "3550";
		$device = "switch";
	    } elsif ($proc =~ /WS-C35/) {
		$type = "3500XL";
		$device = "switch";
	    } elsif ($proc =~ /^36[0246][0-9]/) {
		$type = "3600";
	    } elsif ($proc =~ /^37/) {
		$type = "3700";
	    } elsif ($proc =~ /^38/) {
		$type = "3800";
	    } elsif ($proc =~ /WS-C45/) {
		$type = "4500";
		$device = "switch";
	    } elsif ( $proc =~ /^AS5300/) {
		$type = "AS5300";
	    } elsif ( $proc =~ /^AS5350/) {
		$type = "AS5350";
	    } elsif ( $proc =~ /^AS5400/) {
		$type = "AS5400";
	    } elsif ($proc =~ /6000/) {
		$type = "6000";
		$device = "switch";
	    } elsif ($proc eq "WK-C65") {
		$type = "6500";
	    } elsif ($proc eq "RP") {
		$type = "7000";
	    } elsif ($proc eq "RP1") {
		$type = "7000";
	    } elsif ($proc =~ /720[246]/) {
		$type = "7200";
	    } elsif ( $proc =~ /^73/) {
		$type = "7300";
	    } elsif ($proc eq "RSP7000") {
		$type = "7500";
	    } elsif ($proc =~ /RSP\d/) {
		$type = "7500";
	    } elsif ($proc =~ /OSR-76/) {
		$type = "7600";
	    } elsif ($proc =~ /CISCO76/) {
		$type = "7600";
	    } elsif ($proc =~ /1200[48]\/(GRP|PRP)/ || $proc =~ /1201[26]\/(GRP|PRP)/) {
		$type = "12000";
	    } elsif ($proc =~ /1201[26]-8R\/(GRP|PRP)/) {
		$type = "12000";
	    } elsif ($proc =~ /1240[48]\/(GRP|PRP)/ || $proc =~ /1241[06]\/(GRP|PRP)/) {
		$type = "12400";
	    } else {
		$type = $proc;
	    }

	    print STDERR "TYPE = $type\n" if ($debug);
	    ProcessHistory("COMMENTS","keysort","A1",
		"!Chassis type:$slave $proc - a $type $device\n");
	    ProcessHistory("COMMENTS","keysort","B1",
		"!Memory:$slave main $mem\n");
	    if (defined($cpu)) {
		ProcessHistory("COMMENTS","keysort","A3",
			       "!CPU:$slave $cpu$_$slaveslot\n");
	    }
	    next;
	}
	if (/(\S+) Silicon\s*Switch Processor/) {
	    if (!defined($C0)) {
		$C0 = 1; ProcessHistory("COMMENTS","keysort","C0","!\n");
	    }
	    ProcessHistory("COMMENTS","keysort","C2","!SSP: $1\n");
	    $ssp = 1;
	    $sspmem = $1;
	    next;
	}
	/^(\d+[kK]) bytes of multibus/ &&
	    ProcessHistory("COMMENTS","keysort","B2",
		"!Memory: multibus $1\n") && next;
	/^(\d+[kK]) bytes of (non-volatile|NVRAM)/ &&
	    ProcessHistory("COMMENTS","keysort","B3",
		"!Memory: nvram $1\n") && next;
	/^(\d+[kK]) bytes of flash memory/ &&
	    ProcessHistory("COMMENTS","keysort","B5","!Memory: flash $1\n") &&
	    next;
	/^(\d+[kK]) bytes of .*flash partition/ &&
	    ProcessHistory("COMMENTS","keysort","B6",
		"!Memory: flash partition $1\n") && next;
	/^(\d+[kK]) bytes of Flash internal/ &&
	    ProcessHistory("COMMENTS","keysort","B4",
		"!Memory: bootflash $1\n") && next;
	if (/^(\d+[kK]) bytes of (Flash|ATA)?.*PCMCIA .*(slot|disk) ?(\d)/i) {
	    ProcessHistory("COMMENTS","keysort","B7",
		"!Memory: pcmcia $2 $3$4 $1\n");
	    next;
	}
	if (/^(\d+[kK]) bytes of (slot|disk)(\d)/i) {
	    ProcessHistory("COMMENTS","keysort","B7",
		"!Memory: pcmcia $2$3 $1\n");
	    next;
	}
	if (/^WARNING/) {
	    if (!defined($I0)) {
		$I0 = 1;
		ProcessHistory("COMMENTS","keysort","I0","!\n");
	    }
	    ProcessHistory("COMMENTS","keysort","I1","! $_");
	}
	if (/^Configuration register is (.*)$/) {
	    $config_register = $1;
	    next;
	}
	if (/^Configuration register on node \S+ is (.*)$/) {
	    $config_register = $1 if (length($config_register) < 1);
	    next;
	}
    }
    return(0);
}

# This routine parses "show redundancy"
sub ShowRedundancy {
    print STDERR "    In ShowRedundancy: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^Version information for secondary in slot (\d+):/) {
	    $slave = " Slave:";
	    $slaveslot = ", slot $1";
	    next;
	}

	/^IOS .* Software \(([A-Za-z0-9_-]*)\), .*Version\s+(.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","F1",
		"!Image:$slave Software: $1, $2\n") && next;
	/^Compiled (.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","F3",
		"!Image:$slave Compiled: $1\n") && next;
    }
    return(0);
}

# This routine parses "show IDprom"
sub ShowIDprom {
    my($tmp);

    print STDERR "    In ShowIDprom: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	/FRU is .(.*)\'/ && ($tmp = $1);
	/Product Number = .(.*)\'/ &&
		ProcessHistory("COMMENTS","keysort","D0",
				"!Catalyst Chassis type: $1, $tmp\n");
	/Serial Number = .([0-9A-Za-z]+)/ &&
		ProcessHistory("COMMENTS","keysort","D1",
				"!Catalyst Chassis S/N: $1\n");
	/Manufacturing Assembly Number = .([-0-9]+)/ && ($tmp = $1);
	/Manufacturing Assembly Revision = .(.*)\'/ && ($tmp .= ", rev " . $1);
	/Hardware Revision = ([0-9.]+)/ &&
		ProcessHistory("COMMENTS","keysort","D2",
				"!Catalyst Chassis assembly: $tmp, ver $1\n");
    }
    return(0);
}

# This routine parses "show install active"
sub ShowInstallActive {
    print STDERR "    In ShowInstallActive: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/^\s*\^\s*$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	ProcessHistory("COMMENTS","keysort","F5","!Image: $_") && next;
    }
    return(0);
}

# This routine parses "show env all"
sub ShowEnv {
    # Skip if this is not a 7500, 7200, or 7000.
    print STDERR "    In ShowEnv: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	if (/^$prompt/) { $found_env = 1; last};
	next if (/^(\s*|\s*$cmd\s*)$/);
	#return(1) if ($type !~ /^7/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(0) if ($found_env);		# Only do this routine once
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (!defined($E0)) {
	    $E0 = 1;
	    ProcessHistory("COMMENTS","keysort","E0","!\n");
	}
	if (/^Arbiter type (\d), backplane type (\S+)/) {
	    if (!defined($C0)) {
		$C0 = 1; ProcessHistory("COMMENTS","keysort","C0","!\n");
	    }
	    ProcessHistory("COMMENTS","keysort","C1",
		"!Enviromental Arbiter Type: $1\n");
	    ProcessHistory("COMMENTS","keysort","A2",
		"!Chassis type: $2 backplane\n");
	    next;
	}
	/^Power Supply Information$/ && next;
	/^\s*Power Module\s+Voltage\s+Current$/ && next;
	/^\s*(Power [^:\n]+)$/ &&
	    ProcessHistory("COMMENTS","keysort","E1","!Power: $1\n") && next;
	/^\s*(Lower Power .*)/i &&
	    ProcessHistory("COMMENTS","keysort","E2","!Power: $1\n") && next;
	/^\s*(redundant .*)/i &&
	    ProcessHistory("COMMENTS","keysort","E2","!Power: $1\n") && next;
	/^\s*(RPS is .*)/i &&
	    ProcessHistory("COMMENTS","keysort","E2","!Power: $1\n") && next;
    }
    ProcessHistory("COMMENTS","","","!\n");
    return(0);
}

# This routine parses "show rsp chassis-info" for the rsp
# This will create arrays for hw info.
sub ShowRSP {
    print STDERR "    In ShowRSP: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# return(1) if ($type !~ /^12[40]/);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}
	/^$/ && next;

	/^\s+Chassis model: (\S+)/ &&
	    ProcessHistory("COMMENTS","keysort","D1",
				"!RSP Chassis model: $1\n") &&
	    next;
	/^\s+Chassis S\/N: (.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","D2",
				"!RSP Chassis S/N: $1\n") &&
	    next;
    }

    return(0);
}

# This routine parses "show gsr chassis-info" for the gsr
# This will create arrays for hw info.
sub ShowGSR {
    # Skip if this is not a 1200n.
    print STDERR "    In ShowGSR: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# return(1) if ($type !~ /^12[40]/);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}
	/^$/ && next;

	/^\s+Chassis: type (\S+) Fab Ver: (\S+)/ &&
	    ProcessHistory("COMMENTS","keysort","D1",
				"!GSR Chassis type: $1 Fab Ver: $2\n") &&
	    next;
	/^\s+Chassis S\/N: (.*)$/ &&
	    ProcessHistory("COMMENTS","keysort","D2",
				"!GSR Chassis S/N: $1\n") &&
	    next;
	/^\s+PCA: (\S+)\s*rev: (\S+)\s*dev: \S+\s*HW ver: (\S+)$/ &&
	    ProcessHistory("COMMENTS","keysort","D3",
				"!GSR Backplane PCA: $1, rev $2, ver $3\n") &&
	    next;
	/^\s+Backplane S\/N: (\S+)$/ &&
	    ProcessHistory("COMMENTS","keysort","D4",
				"!GSR Backplane S/N: $1\n") &&
	    next;
    }
    ProcessHistory("COMMENTS","","","!\n");
    return(0);
}

# This routine parses "show boot"
sub ShowBoot {
    # Pick up boot variables if 7000/7200/7500/12000/2900/3500;
    # otherwise pick up bootflash.
    print STDERR "    In ShowBoot: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/^\s*\^\s*$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(1) if (/Ambiguous command/i);
	return(1) if (/(Open device \S+ failed|Error opening \S+:)/);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	next if /CONFGEN variable/;
	if (!defined($H0)) {
	    $H0 = 1; ProcessHistory("COMMENTS","keysort","H0","!\n");
	}
	if ($type !~ /^(12[04]|7)/) {
	    if ($type !~ /^(29|35)00/) {
		ProcessHistory("COMMENTS","keysort","H2","!BootFlash: $_");
	    } else {
		ProcessHistory("COMMENTS","keysort","H1","!Variable: $_");
	    }
	} elsif (/(variable|register)/) {
	    ProcessHistory("COMMENTS","keysort","H1","!Variable: $_");
	}
    }
    ProcessHistory("COMMENTS","","","!\n");
    return(0);
}

# This routine parses "show flash"
sub ShowFlash {
    # skip if this is 7000, 7200, 7500, or 12000; else we end up with
    # redundant data from dir /all slot0:
    print STDERR "    In ShowFlash: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if ($type =~ /^(12[40]|7)/);
	return(1) if (/^\s*\^\s*$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	/\s+(multiple-fs|nv_hdr|vlan\.dat)$/ && next;
	ProcessHistory("FLASH","","","!Flash: $_");
    }
    ProcessHistory("","","","!\n");
    return;
}

# This routine parses "dir /all ((disk|slot)N|bootflash|nvram):"
sub DirSlotN {
    print STDERR "    In DirSlotN: $_" if ($debug);

    my($dev) = (/\s([^\s]+):/);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if /^\s*\^\s*$/;
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(1) if (/(No such device|Error Sending Request)/i);
	return(1) if (/\%Error: No such file or directory/);
	return(1) if (/No space information available/);
	# Corrupt flash
	/\%Error calling getdents / &&
	    ProcessHistory("FLASH","","","!Flash: $dev: $_") && next;
	return(-1) if (/\%Error calling/);
	return(-1) if (/(: device being squeezed|ATA_Status time out)/i); # busy
	return(-1) if (/\%Error opening \S+:\S+ \(Device or resource busy\)/i);
	return(-1) if (/command authorization failed/i);
	return(1) if (/(Open device \S+ failed|Error opening \S+:)/);
	# filter frequently changing files from IOX bootflash
	if ($dev =~ /bootflash/) {
	    next if (/temp_cont\s*$/);
	    next if (/uptime_cont\s*$/);
	}
	# Filter dhcp database
	if (/dhcp_[^. ]*\.txt/) {
	    next;
	}
	# Filter debugging file dlbg.txt & dlbg.txt-1 only on ASR9k w/ XR
	if (($ios eq "XR" && $proc =~ /ASR9K/) && /dlbg\.txt/) {
	    next;
	}
	if (($ios eq "XR" || $ios eq "XE") && /.*\((\d+) bytes free\)/) {
	    my($tmp) = int($1 / (1024 * 1024));
	    s/$1 bytes free/$tmp MB free/;
	}
	if ($ios eq "XE" && /^((\s+)?\d+\s+\S+)\s+\d+.*(tracelogs$)/) {
	    $_ = "$1" . sprintf("%43s", "") . "$3\n";
	}
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	ProcessHistory("FLASH","","","!Flash: $dev: $_");
    }
    ProcessHistory("","","","!\n");
    return(0);
}

# This routine parses "show controllers"
sub ShowContAll {
    # Skip if this is a 70[01]0, 7500, or 12000.
    print STDERR "    In ShowContAll: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	# return(1) if ($type =~ /^(12[40]|7[05])/);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^Interface ([^ \n(]*)/) { $INT = "$1, "; next; }
	/^(BRI unit \d)/ &&
	    ProcessHistory("INT","","","!Interface: $1\n") && next;
	/^LANCE unit \d, NIM/ &&
	    ProcessHistory("INT","","","!Interface: $_") && next;
	/^(LANCE unit \d)/ &&
	    ProcessHistory("INT","","","!Interface: $1\n") && next;
	/(Media Type is \S+),/ &&
	    ProcessHistory("INT","","","!\t$1\n");
	    if (/(M\dT[^ :]*:) show controller:$/) {
		my($ctlr) = $1;
		$_ = <INPUT>; tr/\015//d; s/ subunit \d,//;
		ProcessHistory("INT","","","!Interface: $ctlr $_");
	    }
	if (/^(\S+) : show controller:$/) {
	    my($ctlr) = $1;
	    $_ = <INPUT>; tr/\015//d; s/ subunit \d,//;
	    ProcessHistory("INT","","","!Interface: $ctlr: $_");
	}
	/^(HD unit \d), idb/ &&
	    ProcessHistory("INT","","","!Interface: $1\n") && next;
	/^HD unit \d, NIM/ &&
	    ProcessHistory("INT","","","!Interface: $_") && next;
	/^buffer size \d+  HD unit \d, (.*)/ &&
	    ProcessHistory("INT","","","!\t$1\n") && next;
	/^AM79970 / && ProcessHistory("INT","","","!Interface: $_") && next;
	/^buffer size \d+  (Universal Serial: .*)/ &&
	    ProcessHistory("INT","","","!\t$1\n") && next;
	/^Hardware is (.*)/ &&
	    ProcessHistory("INT","","","!Interface: $INT$1\n") && next;
	/^(QUICC Serial unit \d),/ &&
	    ProcessHistory("INT","","","!$1\n") && next;
	/^QUICC Ethernet .*/ &&
	    ProcessHistory("INT","","","!$_") && next;
	/^DTE .*\.$/ &&
	    ProcessHistory("INT","","","!\t$_") && next;
	/^(cable type :.*),/ &&
	    ProcessHistory("INT","","","!\t$1\n") && next;
	/^(.* cable.*), received clockrate \d+$/ &&
	    ProcessHistory("INT","","","!\t$1\n") && next;
	/^.* cable.*$/ &&
	    ProcessHistory("INT","","","!\t$_") && next;
    }
    return(0);
}

# This routine parses "show controllers cbus"
# Some of this is printed out in ShowDiagbus.
sub ShowContCbus {
    # Skip if this is not a 7000 or 7500.
    print STDERR "    In ShowContCbus: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	#return(1) if ($type !~ /^7[05]0/);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^\s*slot(\d+): ([^,]+), hw (\S+), sw (\S+), ccb/) {
	    $slot = $1;
	    $board{$slot} = $2;
	    $hwver{$slot} = $3;
	    $hwucode{$slot} = $4;
	} elsif (/^\s*(\S+) (\d+), hardware version (\S+), microcode version (\S+)/) {
	    $slot = $2;
	    $board{$slot} = $1;
	    $hwver{$slot} = $3;
	    $hwucode{$slot} = $4;
	} elsif (/(Microcode .*)/) {
	    $ucode{$slot} = $1;
	} elsif (/(software loaded .*)/) {
	    $ucode{$slot} = $1;
	} elsif (/(\d+) Kbytes of main memory, (\d+) Kbytes cache memory/) {
	    $hwmemd{$slot} = $1;
	    $hwmemc{$slot} = $2;
	} elsif (/byte buffers/) {
	    chop;
	    s/^\s*//;
	    $hwbuf{$slot} = $_;
	} elsif (/Interface (\d+) - (\S+ \S+),/) {
	    $interface = $1;
	    ProcessHistory("HW","","",
		"!\n!Int $interface: in slot $slot, named $2\n"); next;
	} elsif (/(\d+) buffer RX queue threshold, (\d+) buffer TX queue limit, buffer size (\d+)/) {
	    ProcessHistory("HW","","","!Int $interface: rxq $1, txq $2, bufsize $3\n");
	    next;
	}
    }
    return(0);
}

# This routine parses "show debug"
sub ShowDebug {
    print STDERR "    In ShowDebug: $_" if ($debug);
    my($lines) = 0;

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	/^No matching debug flags set$/ && next;
	/^No debug flags set$/ && next;
	ProcessHistory("COMMENTS","keysort","J1","!DEBUG: $_");
	$lines++;
    }
    if ($lines) {
	ProcessHistory("COMMENTS","keysort","J0","!\n");
    }
    return(0);
}

# This routine parses "show diagbus"
# This will create arrarys for hw info.
sub ShowDiagbus {
    # Skip if this is not a 7000, 70[01]0, or 7500.
    print STDERR "    In ShowDiagbus: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	#return(1) if ($type !~ /^7[05]/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^\s*Slot (\d+):/i) {
	    $slot = $1;
	    next;
	} elsif (/^\s*Slot (\d+) \(virtual\):/i) {
	    $slot = $1;
	    next;
	} elsif (/^\s*(.*Processor.*|.*controller|.*controler|.*Chassis Interface)(, FRU\s?:.*)?, HW rev (\S+), board revision (\S+)/i) {
	    $board = $1;
	    $hwver = $3;
	    $boardrev = $4;
	    if ($board =~ /Processor/) {
		if ($board =~ /7000 Route\/Switch/) {
		    $board = "RSP7000";
		} elsif ($board =~ /Route\/Switch Processor (\d)/) {
		    $board = "RSP$1";
		} elsif ($board =~ /Route/) {
		    $board = "RP";
		} elsif ($board =~ /Silicon Switch/) {
		    $board = "SSP";
		} elsif ($board =~ /Switch/) {
		    $board = "SP";
		    $board = "SSP $sspmem" if $ssp;
		} elsif ($board =~ /ATM/) {
		    $board = "AIP";
		}
	    } elsif ($board =~ /(.*) controller/i) {
		$board = $1;
	    }
	    # hwucode{$slot} defined in ShowContCbus
	    if (defined $hwucode{$slot}) {
		ProcessHistory("SLOT","","","!\n!Slot $slot/$board: hvers $hwver rev $boardrev ucode $hwucode{$slot}\n");
	    } else {
		ProcessHistory("SLOT","","","!\n!Slot $slot/$board: hvers $hwver rev $boardrev\n");
	    }
	    # These are also from the ShowContCbus
	    ProcessHistory("SLOT","","","!Slot $slot/$board: $ucode{$slot}\n") if (defined $ucode{$slot});
	    ProcessHistory("SLOT","","","!Slot $slot/$board: memd $hwmemd{$slot}, cache $hwmemc{$slot}\n")
	    if ((defined $hwmemd{$slot}) && (defined $hwmemc{$slot}));
	    ProcessHistory("SLOT","","","!Slot $slot/$board: $hwbuf{$slot}\n") if (defined $hwbuf{$slot});
	    next;
	}
	/Serial number: (\S+)\s*Part number: (\S+)/ &&
	    ProcessHistory("SLOT","","",
			"!Slot $slot/$board: part $2, serial $1\n") &&
	    next;
	/^\s*Controller Memory Size: (.*)$/ &&
	    ProcessHistory("SLOT","","","!Slot $slot/$board: $1\n") &&
	    next;
	if (/PA Bay (\d) Information/) {
	    $pano = $1;
	    if ("PA" =~ /$board/) {
		($s,$c) = split(/\//,$board);
		$board = "$s/$c/PA $pano";
	    } else {
		$board =~ s/\/PA \d//;
		$board = "$board/PA $pano";
	    }
	    next;
	}
	/\s+(.*) (IP|PA), (\d) ports?,( \S+,)? (FRU\s?: )?(\S+)/ &&
	    ProcessHistory("SLOT","","","!Slot $slot/$board: type $6, $3 ports\n") &&
	    next;
	/\s+(.*) (IP|PA)( \(\S+\))?, (\d) ports?/ &&
	    ProcessHistory("SLOT","","","!Slot $slot/$board: type $1$3, $4 ports\n") &&
	    next;
	/^\s*HW rev (\S+), Board revision (\S+)/ &&
	    ProcessHistory("SLOT","","","!Slot $slot/$board: hvers $1 rev $2\n") &&
	    next;
	/Serial number: (\S+)\s*Part number: (\S+)/ &&
	    ProcessHistory("SLOT","","","!Slot $slot/$board: part $2, serial $1\n") && next;
    }
    return(0);
}

# This routine parses "show diag" for the gsr, 7200, 3700, 3600, 2600.
# This will create arrarys for hw info.
sub ShowDiag {
    # Skip if this is not a 12000.
    print STDERR "    In ShowDiag: $_" if ($debug);

    while (<INPUT>) {
REDUX:	tr/\015//d;
	if (/^$prompt/) { $found_diag = 1; last};
	next if (/^(\s*|\s*$cmd\s*)$/);
	# return(1) if ($type !~ /^(12[40]|720|36|26)/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(0) if ($found_diag);		# Only do this routine once
	return(-1) if (/command authorization failed/i);
	/^$/ && next;
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	s/Port Packet Over SONET/POS/;
	if (/^\s*SLOT\s+(\d+)\s+\((.*)\): (.*)/) {
	    $slot = $1;
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","A","!Slot $slot: $3\n");
	    next;
	}
	if (/^\s*NODE\s+(\S+) : (.*)/) {
	    $slot = $1;
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","A","!Slot $slot: $2\n");
	    next;
	}
	if (/^\s*PLIM\s+(\S+) : (.*)/) {
	    $slot = $1 . " PLIM";
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","A","!Slot $slot: $2\n");
	    next;
	}
	if (/^\s*RACK\s+(\S+) : (.*)/) {
	    $slot = "Rack/" . $1;
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","A","!Slot $slot: $2\n");
	    next;
	}
	if (/^\s+MAIN:\s* type \S+,\s+(.*)/) {
	    local($part) = $1;
	    $_ = <INPUT>;
	    if (/^\s+(HW version|Design Release) (\S+)\s+S\/N (\S+)/i) {
		ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: part $part, serial $3\n");
		ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: hvers $2\n");
	    } else {
		ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: part $part\n");
		goto REDUX;
	    }
	    next;
	}
	if (/^\s+MAIN:\s* board type \S+$/) {
	    $_ = <INPUT>;
	    tr/\015//d;
	    if (/^\s+(.+)$/) {
		local($part) = $1;
		$_ = <INPUT>;
		tr/\015//d;
		if (/^\s+dev (.*)$/) {
		    local($dev) = $1;
		    $_ = <INPUT>;
		    if (/^\s+S\/N (\S+)/) {
			ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: part $part, dev $dev, serial $1\n");
		    } else {
			ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: part $part, dev $dev\n");
			goto REDUX;
		   }
		} else {
		    ProcessHistory("SLOT","keysort","AM","!Slot $slot/MAIN: part $part\n");
		    goto REDUX;
		}
	    } else {
		goto REDUX;
	    }
	    next;
	}
	if (/^c3700\s+(io-board|mid-plane)/i) {
	    $slot = $1;
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","A","!Slot $slot: part $1\n");
	    next;
	}
	if (/ Engine:\s+(.*)/) {
	    ProcessHistory("SLOT","keysort","AE","!Slot $slot/Engine: $1\n");
	}
	if (/FRU:\s+Linecard\/Module:\s+(\S+)/) {
	    ProcessHistory("SLOT","keysort","AF","!Slot $slot/FRU: Linecard/Module: $1\n");
	    next;
	}
	if (/\s+Processor Memory:\s+(\S+)/) {
	    ProcessHistory("SLOT","keysort","AF","!Slot $slot/FRU: Processor Memory: $1\n");
	    next;
	}
	if (/\s+Packet Memory:\s+(\S+)/) {
	    ProcessHistory("SLOT","keysort","AF","!Slot $slot/FRU: Packet Memory: $1\n");
	    next;
	}
	if (/\s+Route Memory:\s+(\S+)/) {
	    ProcessHistory("SLOT","keysort","AF","!Slot $slot/FRU: Route Memory: $1\n");
	    next;
	}
	if (/^\s+PCA:\s+(.*)/) {
	    local($part) = $1;
	    $_ = <INPUT>;
	    if (/^\s+(HW version|design release) (\S+)\s+S\/N (\S+)/i) {
		ProcessHistory("SLOT","keysort","C1","!Slot $slot/PCA: part $part, serial $3\n");
		ProcessHistory("SLOT","keysort","C2","!Slot $slot/PCA: hvers $2\n");
	    } else {
		ProcessHistory("SLOT","keysort","C1","!Slot $slot/PCA: part $part\n");
		goto REDUX;
	    }
	    next;
	}
	if (/^\s+MBUS: .*\)\s+(.*)/) {
	    local($tmp) = "!Slot $slot/MBUS: part $1";
	    $_ = <INPUT>;
	    /^\s+HW version (\S+)\s+S\/N (\S+)/ &&
		ProcessHistory("SLOT","keysort","MB1","$tmp, serial $2\n") &&
		ProcessHistory("SLOT","keysort","MB2","!Slot $slot/MBUS: hvers $1\n");
	    next;
	}
	if (/^\s+MBUS Agent Software version (.*)/) {
	    ProcessHistory("SLOT","keysort","MB3","!Slot $slot/MBUS: software $1\n");
	    next;
	}
	if (/^\s+PLD: (.*)/) {
	    ProcessHistory("SLOT","keysort","P","!Slot $slot/PLD: $1\n");
	    next;
	}
	if (/^\s+MONLIB: (.*)/) {
	    ProcessHistory("SLOT","keysort","Q","!Slot $slot/MONLIB: $1\n");
	    next;
	}
	if (/^\s+ROM Monitor version (.*)/) {
	    ProcessHistory("SLOT","keysort","R","!Slot $slot/ROM Monitor: version $1\n");
	    next;
	}
	if (/^\s+ROMMON: Version (.*)/) {
	    ProcessHistory("SLOT","keysort","R","!Slot $slot/ROMMON: version $1\n");
	    next;
	}
	if (/^\s+Fabric Downloader version used (.*)/) {
	    ProcessHistory("SLOT","keysort","Z","!Slot $slot/Fabric Downloader: version $1\n");
	    next;
	}
	if (/^\s+DRAM size: (\d+)/) {
	    local($dram) = $1 / 1048576;
	    $_ = <INPUT>;
	    if (/^\s+FrFab SDRAM size: (\d+)/) {
		ProcessHistory("SLOT","keysort","MB4","!Slot $slot/MBUS: $dram Mbytes DRAM, "
			   . $1 / 1024 . " Kbytes SDRAM\n");
	    } else {
		ProcessHistory("SLOT","keysort","MB4","!Slot $slot/MBUS: $dram Mbytes DRAM\n");
		goto REDUX;
	    }
	    next;
	}
	# 7200, 3600, 2600, and 1700 stuff
	if (/^(Slot)\s+(\d+(\/\d+)?):/
	    || /^\s+(WIC|VIC|WIC\/VIC) Slot (\d):/
	    || /^(Encryption AIM) (\d):/) {
	    if ($1 eq "WIC") {
		$WIC = "/$2";
	    } elsif ($1 eq "VIC") {
		$WIC = "/$2";
	    } elsif ($1 eq "WIC/VIC") {
		$WIC = "/$2";
	    } elsif ($1 eq "DSP") {
		$WIC = "/$2";
	    } elsif ($1 eq "Encryption AIM") {
		$slot = "$2";
		undef($WIC);
		ProcessHistory("SLOT","","","!\n");
		ProcessHistory("SLOT","keysort","B","!Slot $slot: type $1\n");
		next;
	    } else {
		$slot = $2;
		undef($WIC);
	    }
	    $_ = <INPUT>; tr/\015//d;

	    # clean up hideous 7200/etc formats to look more like 7500 output
	    s/Fast-ethernet on C7200 I\/O card/FE-IO/;
	    s/ with MII or RJ45/-TX/;
	    s/Fast-ethernet /100Base/; s/[)(]//g;
	    s/intermediate reach/IR/i;

	    ProcessHistory("SLOT","","","!\n");
	    /\s+(.*) port adapter,?\s+(\d+)\s+/i &&
		ProcessHistory("SLOT","keysort","B",
			       "!Slot $slot: type $1, $2 ports\n") && next;
	    # I/O controller with no interfaces
	    /\s+(.*)\s+port adapter\s*$/i &&
		ProcessHistory("SLOT","keysort","B",
			       "!Slot $slot: type $1, 0 ports\n") && next;
	    /\s+(.*)\s+daughter card(.*)$/ &&
		ProcessHistory("SLOT","keysort","B",
			       "!Slot $slot$WIC: type $1$2\n") && next;
	    /\s+(FT1)$/ &&
		ProcessHistory("SLOT","keysort","B",
			       "!Slot $slot$WIC: type $1\n") && next;
	    # AS5300/5400 handling
	    /^Hardware is\s+(.*)$/i &&
		ProcessHistory("SLOT","keysort","B","!Slot $slot: type $1\n")
		&& next;
	    /^DFC type is\s+(.*)$/i &&
		ProcessHistory("SLOT","keysort","B","!Slot $slot: type $1\n")
		&& next;
	    #
	    # handle WICs lacking "daughter card" in the 2nd line of their
	    # show diag o/p
	    if (defined($WIC)) {
		s/^\s+//;
		ProcessHistory("SLOT","keysort","B","!Slot $slot$WIC: type $_");
	    }
	    next;
	} elsif (/^\s+(.* (DSP) Module) Slot (\d):/) {
	    # The 1760 (at least) has yet another format...where it has two
	    # dedicated DSP slots, and thus two slot 0s.
	    my($TYPE) = $1;
	    $WIC = "/$3";
	    ProcessHistory("SLOT","","","!\n");
	    ProcessHistory("SLOT","keysort","B",
					"!Slot $slot$WIC: type $TYPE\n");
	    next;
	}
	# yet another format.  seen on 2600s w/ 12.1, but appears to be all
	# 12.1, including 7200s & 3700s.  Sometimes the PCB serial appears
	# before the hardware revision.
	if (/(pcb serial number|hardware revision)\s+:\s+(\S+)$/i) {
	    my($hw, $pn, $rev, $sn);
	    if ($1 =~ /^pcb/i) {
		$sn = $2;
	    } else {
		$hw = $2;
	    }
	    while (<INPUT>) {
		tr/\015//d;

		# Sometimes "show diag" just ends while we are
		# trying to process this pcb stuff.  Check for a
		# prompt so we can get out.
		if (/^$prompt/) {
		    $found_diag=1;
		    goto PerlSucks;
		}

		if (/0x..: / || /^$/) {
		    # no effing idea why break does not work there
		    goto PerlSucks;
		}
		if (/hardware revision\s+:\s+(\S+)/i) { $hw = $1; }
		if (/part number\s+:\s+(\S+)/i) { $pn = $1; }
		if (/board revision\s+:\s+(\S+)/i) { $rev = $1; }
		if (/pcb serial number\s+:\s+(\S+)/i) { $sn = $1; }
		# fru/pid bits, true Cisco evolving "standard", hopefully
		# "show inventory" will be "the way" soon.
		#
		if (/product \(fru\) number\s+:\s+(\S+)/i) { $fn = $1; }
		if (/product number\s+:\s+(\S+)/i) { $fn = $1; }
		if (/product\s+identifier\s+\(PID\)\s+:\s+(\S+)/i) { $fn = $1; }
		if (/fru\s+part\s+number\s+(\S+)/i) { $fn = $1; }
	    }
PerlSucks:
	    # fru/pid bits
	    ProcessHistory("SLOT","keysort","AG","!Slot $slot$WIC: fru $fn\n");
	    #
	    ProcessHistory("SLOT","keysort","B","!Slot $slot$WIC: hvers $hw rev $rev\n");
	    ProcessHistory("SLOT","keysort","C","!Slot $slot$WIC: part $pn, serial $sn\n");
	    # If we saw the prompt, then we are done.
	    last if $found_diag;
	}
	/revision\s+(\S+).*revision\s+(\S+)/ &&
	    ProcessHistory("SLOT","keysort","C","!Slot $slot$WIC: hvers $1 rev $2\n") &&
	    next;
	/number\s+(\S+)\s+Part number\s+(\S+)/ &&
	    ProcessHistory("SLOT","keysort","D","!Slot $slot$WIC: part $2, serial $1\n") &&
	    next;
	# AS5x00 bits
	/^\ Board Revision\s+(\S+),\s+Serial Number\s+(\S+),/ &&
	    ProcessHistory("SLOT","keysort","D",
			   "!Slot $slot$WIC: rev $1, serial $2\n") && next;
	/^\ Board Hardware Version\s+(\S+),\s+Item Number\s+(\S+),/ &&
	    ProcessHistory("SLOT","keysort","D",
			   "!Slot $slot$WIC: hvers $1, part $2\n") && next;
	/^Motherboard Info:/ &&
	    ProcessHistory("SLOT","keysort","D",
			   "!Slot $slot$WIC: Motherboard\n") && next;
	#
    }
    ProcessHistory("SLOT","","","!\n");
    return(0);
}

# This routine parses "show inventory".
sub ShowInventory {
    print STDERR "    In ShowInventory: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	return if (/^\s*\^$/);
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^(NAME: "[^"]*",) (DESCR: "[^"]+")/) {
	    ProcessHistory("INVENTORY","","", sprintf("!%-30s %s\n", $1, $2));
	    next;
	}
	# split PID/VID/SN line
	if (/^PID: (\S*)\s*, VID: (\S*)\s*, SN: (\S*)\s*$/) {
	    my($entries) = "";
	    $entries .= "!PID: $1\n" if ($1);
	    $entries .= "!VID: $2\n" if ($2);
	    $entries .= "!SN: $3\n" if ($3);
	    ProcessHistory("INVENTORY","","", "$entries");
	    next;
	}
	ProcessHistory("INVENTORY","","","!$_");
    }
    ProcessHistory("INVENTORY","","","!\n");

    return(0);
}

# This routine parses "show module".
sub ShowModule {
    print STDERR "    In ShowModule: $_" if ($debug);

    my(@lines);
    my($slot, $pa);

    while (<INPUT>) {
	tr/\015//d;
	return if (/^\s*\^$/);
	last if (/online diag status/i);
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	# match slot/card info line
	if (/^ *(\d+)\s+(\d+)\s+(.*)\s+(\S+)\s+(\S+)\s*$/) {
	    $lines[$1 * 1000] .= "!Slot $1: type $3, $2 ports\n!Slot $1: part $4, serial $5\n";
	    $lines[$1 * 1000] =~ s/\s+,/,/g;
	    next;
	}
	# now match the Revs in the second paragraph of o/p and stick it in
	# the array with the previous bits...grumble.
	if (/^ *(\d+)\s+\S+\s+to\s+\S+\s+(\S+)\s+(\S*)\s+(\S+)(\s+\S+)?\s*$/) {
	    $lines[$1 * 1000] .= "!Slot $1: hvers $2, firmware $3, sw $4\n";
	    $lines[$1 * 1000] =~ s/\s+,/,/g;
	    next;
	}
	# grab the sub-modules, if any
	if (/^\s+(\d+)\s(.*)\s+(\S+)\s+(\S+)\s+(\S+)\s+\S+\s*$/) {
	    my($idx);
	    $pa = 0 if ($1 != $slot);
	    $slot = $1;
	    $idx = $1 * 1000 + $1 * 10 + $pa;
	    $lines[$idx] .= "!Slot $1/$pa: type $2\n";
	    $lines[$idx] .= "!Slot $slot/$pa: part $3, serial $4\n";
	    $lines[$idx] .= "!Slot $slot/$pa: hvers $5\n";
	    $pa++;
	}
    }
    foreach $slot (@lines) {
	next if ($slot =~ /^\s*$/);
	ProcessHistory("Module","","","$slot!\n");
    }

    return(0);
}

# This routine parses "show spe version".
sub ShowSpeVersion {
    print STDERR "    In ShowSpeVersion: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if /^\s*\^\s*$/;
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(-1) if (/command authorization failed/i);

	ProcessHistory("MODEM","","","!Modem: $_") && next;
    }
    ProcessHistory("MODEM","","","!\n");
    return(0);
}

# This routine parses "show c7200" for the 7200
# This will create arrays for hw info.
sub ShowC7200 {
    # Skip if this is not a 7200.
    print STDERR "    In ShowC7200: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	#return(1) if ($type !~ /^72/);
	return(-1) if (/command authorization failed/i);
	/^$/ && next;
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^(C7200 )?Midplane EEPROM:/) {
	    $_ = <INPUT>;
	    /revision\s+(\S+).*revision\s+(\S+)/;
	    ProcessHistory("SLOT","","","!Slot Midplane: hvers $1 rev $2\n");
	    $_ = <INPUT>;
	    /number\s+(\S+)\s+Part number\s+(\S+)/;
	    ProcessHistory("SLOT","","","!Slot Midplane: part $2, serial $1\n!\n");
	    next;
	}
	if (/C720\d(VXR)? CPU EEPROM:/) {
	    my ($hvers,$rev,$part,$serial);
	    # npe400s report their cpu eeprom info differently w/ 12.0.21S
	    while (<INPUT>) {
		/Hardware Revision\s+: (\S+)/ && ($hvers = $1) && next;
		/Board Revision\s+: (\S+)/ && ($rev = $1) && next;
		/Part Number\s+: (\S+)/ && ($part = $1) && next;
		/Serial Number\s+: (\S+)/ && ($serial = $1) && next;
		/revision\s+(\S+).*revision\s+(\S+)/ &&
		    ($hvers = $1, $rev = $2) && next;
		/number\s+(\S+)\s+Part number\s+(\S+)/ &&
		    ($serial = $1, $part = $2) && next;
		/^\s*$/ && last;
	    }
	    ProcessHistory("SLOT","","","!Slot CPU: hvers $hvers rev $rev\n");
	    ProcessHistory("SLOT","","","!Slot CPU: part $part, serial $serial\n!\n");
	    next;
	}
    }
    return(0);
}

# This routine parses "show vtp status"
sub ShowVTP {
    print STDERR "    In ShowVTP: $_" if ($debug);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if /^\s*\^\s*$/;
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	#return(1) if ($type !~ /^(2900XL|3500XL|6000)$/);
	return(-1) if (/command authorization failed/i);
	next if (/^Configuration last modified by/);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	if (/^VTP Operating Mode\s+:\s+(Transparent|Server)/) {
	    $DO_SHOW_VLAN = 1;
	}
	ProcessHistory("COMMENTS","keysort","I0","!VTP: $_");
    }
    ProcessHistory("COMMENTS","keysort","I0","!\n");
    return(0);
}

# This routine parses "show vlan"
sub ShowVLAN {
    print STDERR "    In ShowVLAN: $_" if ($debug);

    ($_ = <INPUT>, return(1)) if (!$DO_SHOW_VLAN);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	next if (/^(\s*|\s*$cmd\s*)$/);
	return(1) if /^\s*\^\s*$/;
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(1) if (/Ambiguous command/i);
	return(-1) if (/command authorization failed/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}

	ProcessHistory("COMMENTS","keysort","IO","!VLAN: $_");
    }
    ProcessHistory("COMMENTS","keysort","IO","!\n");
    return(0);
}

# This routine processes a "write term"
sub WriteTerm {
    print STDERR "    In WriteTerm: $_" if ($debug);
    my($lineauto,$comment,$linecnt) = (0,0,0);

    while (<INPUT>) {
	tr/\015//d;
	last if (/^$prompt/);
	return(1) if (!$linecnt && /^\s+\^\s*$/);
	return(1) if (/Line has invalid autocommand /);
	return(1) if (/(Invalid (input|command) detected|Type help or )/i);
	return(1) if (/\%Error: No such file or directory/);
	return(0) if ($found_end);		# Only do this routine once
	return(-1) if (/command authorization failed/i);
	return(-1) if (/% ?configuration buffer full/i);
	# the pager can not be disabled per-session on the PIX
	if (/^(<-+ More -+>)/) {
	    my($len) = length($1);
	    s/^$1\s{$len}//;
	}
	/^! no configuration change since last restart/i && next;
	# skip emtpy lines at the beginning
	if (!$linecnt && /^\s*$/) {
	    next;
	}
	if (!$linecnt && defined($config_register)) {
	    ProcessHistory("","","", "!\nconfig-register $config_register\n");
	}

	/Non-Volatile memory is in use/ && return(-1); # NvRAM is locked
	/% Configuration buffer full, / && return(-1); # buffer is in use
	$linecnt++;
	$lineauto = 0 if (/^[^ ]/);
	# skip the crap
	if (/^(##+|(building|current) configuration)/i) {
	    while (<INPUT>) {
		next if (/^Current configuration\s*:/i);
		next if (/^:/);
		next if (/^([%!].*|\s*)$/);
		next if (/^ip add.*ipv4:/);	# band-aid for 3620 12.0S
		last;
	    }
	    tr/\015//d;
	}
	# some versions have other crap mixed in with the bits in the
	# block above
	/^! (Last configuration|NVRAM config last)/ && next;
	# and for the ASA
	/^: (Written by \S+ at|Saved)/ && next;

	# skip consecutive comment lines to avoid oscillating extra comment
	# line on some access servers.  grrr.
	if (/^!\s*$/) {
	    next if ($comment);
	    ProcessHistory("","","",$_);
	    $comment++;
	    next;
	}
	$comment = 0;

	# Dog gone Cool matches to process the rest of the config
	/^tftp-server flash /   && next; # kill any tftp remains
	/^ntp clock-period /    && next; # kill ntp clock-period
	/^ length /		&& next; # kill length on serial lines
	/^ width /		&& next; # kill width on serial lines
	$lineauto = 1 if /^ modem auto/;
	/^ speed / && $lineauto	&& next; # kill speed on serial lines
	/^ clockrate /		&& next; # kill clockrate on serial interfaces
	if (/^(enable )?(password|passwd)( level \d+)? / && $filter_pwds >= 1) {
	    ProcessHistory("ENABLE","","","!$1$2$3 <removed>\n");
	    next;
	}
	if (/^(enable secret) / && $filter_pwds >= 2) {
	    ProcessHistory("ENABLE","","","!$1 <removed>\n");
	    next;
	}
	if (/^username (\S+)(\s.*)? secret /) {
	    if ($filter_pwds >= 2) {
		ProcessHistory("USER","keysort","$1",
			       "!username $1$2 secret <removed>\n");
	    } else {
		ProcessHistory("USER","keysort","$1","$_");
	    }
	    next;
	}
	if (/^username (\S+)(\s.*)? password ((\d) \S+|\S+)/) {
	    if ($filter_pwds >= 2) {
		ProcessHistory("USER","keysort","$1",
			       "!username $1$2 password <removed>\n");
	    } elsif ($filter_pwds >= 1 && $4 ne "5"){
		ProcessHistory("USER","keysort","$1",
			       "!username $1$2 password <removed>\n");
	    } else {
		ProcessHistory("USER","keysort","$1","$_");
	    }
	    next;
	}
	# cisco AP w/ IOS
	if (/^(wlccp \S+ username (\S+)(\s.*)? password) (\d \S+|\S+)/) {
	    if ($filter_pwds >= 1) {
		ProcessHistory("USER","keysort","$2","!$1 <removed>\n");
	    } else {
		ProcessHistory("USER","keysort","$2","$_");
	    }
	    next;
	}
	if (/^( set session-key (in|out)bound ah \d+ )/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1<removed>\n");
	    next;
	}
	if (/^( set session-key (in|out)bound esp \d+ (authenticator|cypher) )/
	    && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1<removed>\n");
	    next;
	}
	if (/^(\s*)password / && $filter_pwds >= 1) {
	    ProcessHistory("LINE-PASS","","","!$1password <removed>\n");
	    next;
	}
	if (/^(\s*)secret / && $filter_pwds >= 2) {
	    ProcessHistory("LINE-PASS","","","!$1secret <removed>\n");
	    next;
	}
	if (/^\s*neighbor (\S*) password / && $filter_pwds >= 1) {
	    ProcessHistory("","","","! neighbor $1 password <removed>\n");
	    next;
	}
	if (/^(ppp .* password) 7 .*/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	if (/^(ip ftp password) / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	if (/^( ip ospf authentication-key) / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	# isis passwords appear to be completely plain-text
	if (/^\s+isis password (\S+)( .*)?/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!isis password <removed>$2\n"); next;
	}
	if (/^\s+(domain-password|area-password) (\S+)( .*)?/
							&& $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>$3\n"); next;
	}
	# this is reversable, despite 'md5' in the cmd
	if (/^( ip ospf message-digest-key \d+ md5) / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	# this is also reversable, despite 'md5 encrypted' in the cmd
	if (/^(  message-digest-key \d+ md5 (7|encrypted)) /
	    && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	if (/^((crypto )?isakmp key) \S+ / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed> $'"); next;
	}
	# filter HSRP passwords
	if (/^(\s+standby \d+ authentication) / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	# this appears in "measurement/sla" images
	if (/^(\s+key-string \d?)/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	if (/^( l2tp tunnel \S+ password)/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	# i am told these are plain-text on the PIX
	if (/^(vpdn username (\S+) password)/) {
	    if ($filter_pwds >= 1) {
		ProcessHistory("USER","keysort","$2","!$1 <removed>\n");
	    } else {
		ProcessHistory("USER","keysort","$2","$_");
	    }
	    next;
	}
	# ASA/PIX keys in more system:running-config
	if (/^( pre-shared-key | key |failover key ).*/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed> $'"); next;
	}
	if (/(\s+ldap-login-password )\S+(.*)/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed> $'"); next;
	}
	#
	if (/^( cable shared-secret )/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n");
	    next;
	}
	/fair-queue individual-limit/ && next;
	# sort ip explicit-paths.
	if (/^ip explicit-path name (\S+)/) {
	    my($key) = $1;
	    my($expath) = $_;
	    while (<INPUT>) {
		tr/\015//d;
		last if (/^$prompt/);
		last if (/^$prompt/ || ! /^(ip explicit-path name |[ !])/);
		if (/^ip explicit-path name (\S+)/) {
		    ProcessHistory("EXPATH","keysort","$key","$expath");
		    $key = $1;
		    $expath = $_;
		} else  {
		    $expath .= $_;
		}
	    }
	    ProcessHistory("EXPATH","keysort","$key","$expath");
	}
	# sort route-maps
	if (/^route-map (\S+)/) {
	    my($key) = $1;
	    my($routemap) = $_;
	    while (<INPUT>) {
		tr/\015//d;
		last if (/^$prompt/ || ! /^(route-map |[ !])/);
		if (/^route-map (\S+)/) {
		    ProcessHistory("ROUTEMAP","keysort","$key","$routemap");
		    $key = $1;
		    $routemap = $_;
		} else  {
		    $routemap .= $_;
		}
	    }
	    ProcessHistory("ROUTEMAP","keysort","$key","$routemap");
	}
	# filter out any RCS/CVS tags to avoid confusing local CVS storage
	s/\$(Revision|Id):/ $1:/;
	# order access-lists
	/^access-list\s+(\d\d?)\s+(\S+)\s+(\S+)/ &&
	    ProcessHistory("ACL $1 $2","$aclsort","$3","$_") && next;
	# order extended access-lists
	/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+host\s+(\S+)/ &&
	    ProcessHistory("EACL $1 $2","$aclsort","$3","$_") && next;
	/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+(\d\S+)/ &&
	    ProcessHistory("EACL $1 $2","$aclsort","$3","$_") && next;
	/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+any/ &&
	    ProcessHistory("EACL $1 $2","$aclsort","0.0.0.0","$_") && next;
	# order arp lists
	/^arp\s+(\d+\.\d+\.\d+\.\d+)\s+/ &&
	    ProcessHistory("ARP","$aclsort","$1","$_") && next;
	/^ip prefix-list\s+(\S+)\s+seq\s+(\d+)\s+(permit|deny)\s+(\d\S+)(\/.*)$/ &&
	    ProcessHistory("PACL $1 $3","$aclsort","$4","ip prefix-list $1 $3 $4$5\n")
	    && next;
	# order logging statements
	/^logging (\d+\.\d+\.\d+\.\d+)/ &&
	    ProcessHistory("LOGGING","ipsort","$1","$_") && next;
	# order/prune snmp-server host statements
	# we only prune lines of the form
	# snmp-server host a.b.c.d <community>
	if (/^snmp-server host (\d+\.\d+\.\d+\.\d+) /) {
	    if ($filter_commstr) {
		my($ip) = $1;
		my($line) = "snmp-server host $ip";
		my(@tokens) = split(' ', $');
		my($token);
		while ($token = shift(@tokens)) {
		    if ($token eq 'version') {
			$line .= " " . join(' ', ($token, shift(@tokens)));
			if ($token eq '3') {
			    $line .= " " . join(' ', ($token, shift(@tokens)));
			}
		    } elsif ($token eq 'vrf') {
			$line .= " " . join(' ', ($token, shift(@tokens)));
		    } elsif ($token =~ /^(informs?|traps?|(no)?auth)$/) {
			$line .= " " . $token;
		    } else {
			$line = "!$line " . join(' ', ("<removed>",
						 join(' ',@tokens)));
			last;
		    }
		}
		ProcessHistory("SNMPSERVERHOST","ipsort","$ip","$line\n");
	    } else {
		ProcessHistory("SNMPSERVERHOST","ipsort","$1","$_");
	    }
	    next;
	}
	if (/^(snmp-server community) (\S+)/) {
	    if ($filter_commstr) {
		ProcessHistory("SNMPSERVERCOMM","keysort","$_",
			       "!$1 <removed>$'") && next;
	    } else {
		ProcessHistory("SNMPSERVERCOMM","keysort","$_","$_") && next;
	    }
	}
	# prune tacacs/radius server keys
	if (/^((tacacs|radius)-server\s(\w*[-\s(\s\S+])*\s?key) (\d )?\w+/
	    && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>$'"); next;
	}
	# order clns host statements
	/^clns host \S+ (\S+)/ &&
	    ProcessHistory("CLNS","keysort","$1","$_") && next;
	# order alias statements
	/^alias / && ProcessHistory("ALIAS","keysort","$_","$_") && next;
	# delete ntp auth password - this md5 is a reversable too
	if (/^(ntp authentication-key \d+ md5) / && $filter_pwds >= 1) {
	    ProcessHistory("","","","!$1 <removed>\n"); next;
	}
	# order ntp peers/servers
	if (/^ntp (server|peer) (\d+)\.(\d+)\.(\d+)\.(\d+)/) {
	    $sortkey = sprintf("$1 %03d%03d%03d%03d",$2,$3,$4,$5);
	    ProcessHistory("NTP","keysort",$sortkey,"$_");
	    next;
	}
	# order ip host statements
	/^ip host (\S+) / &&
	    ProcessHistory("IPHOST","keysort","$1","$_") && next;
	# order ip nat source static statements
	/^ip nat (\S+) source static (\S+)/ &&
	    ProcessHistory("IP NAT $1","ipsort","$2","$_") && next;
	# order atm map-list statements
	/^\s+ip\s+(\d+\.\d+\.\d+\.\d+)\s+atm-vc/ &&
	    ProcessHistory("ATM map-list","ipsort","$1","$_") && next;
	# order ip rcmd lines
	/^ip rcmd/ && ProcessHistory("RCMD","keysort","$_","$_") && next;

	# system controller
	/^syscon address (\S*) (\S*)/ &&
	    ProcessHistory("","","","!syscon address $1 <removed>\n") &&
	    next;
	if (/^syscon password (\S*)/ && $filter_pwds >= 1) {
	    ProcessHistory("","","","!syscon password <removed>\n");
	    next;
	}

	/^ *Cryptochecksum:/ && next;

	# catch anything that wasnt matched above.
	ProcessHistory("","","","$_");
	# end of config.  the ": " game is for the PIX
	if (/^(: +)?end$/) {
	    $found_end = 1;
	    return(0);
	}
    }
    # The ContentEngine lacks a definitive "end of config" marker.  If we
    # know that it is a CE, SAN, or NXOS and we have seen at least 5 lines
    # of write term output, we can be reasonably sure that we got the config.
    if (($type == "CE" || $type == "SAN" || $type == "NXOS" ) && $linecnt > 5) {
	$found_end = 1;
	return(0);
    }

    return(0);
}

# dummy function
sub DoNothing {print STDOUT;}

# Main
@commandtable = (
	{'admin show version'		=> 'ShowVersion'},
	{'show version'			=> 'ShowVersion'},
	{'show redundancy secondary'	=> 'ShowRedundancy'},
	{'show idprom backplane',	=> 'ShowIDprom'},
	{'show install active'		=> 'ShowInstallActive'},
	{'admin show env all'		=> 'ShowEnv'},
	{'show env all'			=> 'ShowEnv'},
	{'show rsp chassis-info',	=> 'ShowRSP'},
	{'show gsr chassis'		=> 'ShowGSR'},
	{'show diag chassis-info'	=> 'ShowGSR'},
	{'show boot'			=> 'ShowBoot'},
	{'show bootvar'			=> 'ShowBoot'},
	{'admin show variables boot'	=> 'ShowBoot'},
	{'show variables boot'		=> 'ShowBoot'},
	{'show flash'			=> 'ShowFlash'},
	{'dir /all nvram:'		=> 'DirSlotN'},
	{'dir /all bootflash:'		=> 'DirSlotN'},
	{'dir /all slot0:'		=> 'DirSlotN'},
	{'dir /all disk0:'		=> 'DirSlotN'},
	{'dir /all slot1:'		=> 'DirSlotN'},
	{'dir /all disk1:'		=> 'DirSlotN'},
	{'dir /all slot2:'		=> 'DirSlotN'},
	{'dir /all disk2:'		=> 'DirSlotN'},
	{'dir /all harddisk:'		=> 'DirSlotN'},
	{'dir /all harddiska:'		=> 'DirSlotN'},
	{'dir /all harddiskb:'		=> 'DirSlotN'},
	{'dir /all sup-bootflash:'	=> 'DirSlotN'},		# cat 6500-ios
	{'dir /all sup-microcode:'	=> 'DirSlotN'},		# cat 6500-ios
	{'dir /all slavenvram:'		=> 'DirSlotN'},
	{'dir /all slavebootflash:'	=> 'DirSlotN'},
	{'dir /all slaveslot0:'		=> 'DirSlotN'},
	{'dir /all slavedisk0:'		=> 'DirSlotN'},
	{'dir /all slaveslot1:'		=> 'DirSlotN'},
	{'dir /all slavedisk1:'		=> 'DirSlotN'},
	{'dir /all slaveslot2:'		=> 'DirSlotN'},
	{'dir /all slavedisk2:'		=> 'DirSlotN'},
	{'dir /all slavesup-bootflash:'	=> 'DirSlotN'},		# cat 7609
	{'dir /all sec-nvram:'		=> 'DirSlotN'},
	{'dir /all sec-bootflash:'	=> 'DirSlotN'},
	{'dir /all sec-slot0:'		=> 'DirSlotN'},
	{'dir /all sec-disk0:'		=> 'DirSlotN'},
	{'dir /all sec-slot1:'		=> 'DirSlotN'},
	{'dir /all sec-disk1:'		=> 'DirSlotN'},
	{'dir /all sec-slot2:'		=> 'DirSlotN'},
	{'dir /all sec-disk2:'		=> 'DirSlotN'},
	{'show controllers'		=> 'ShowContAll'},
	{'show controllers cbus'	=> 'ShowContCbus'},
	{'show diagbus'			=> 'ShowDiagbus'},
	{'admin show diag'		=> 'ShowDiag'},
	{'show diag'			=> 'ShowDiag'},
	{'show module'			=> 'ShowModule'},	# cat 6500-ios
	{'show spe version'		=> 'ShowSpeVersion'},
	{'show c7200'			=> 'ShowC7200'},
	{'show inventory raw'		=> 'ShowInventory'},
	{'show vtp status'		=> 'ShowVTP'},
	{'show vlan'			=> 'ShowVLAN'},
	{'show vlan-switch'		=> 'ShowVLAN'},
	{'show debug'			=> 'ShowDebug'},
	{'more system:running-config'	=> 'WriteTerm'},	# ASA/PIX
	{'show running-config'		=> 'WriteTerm'},
	{'write term'			=> '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);
$cmds_regexp = join("|", map quotemeta($_), @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 clogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($debug);
    print STDOUT "executing clogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($log);
    if (defined($ENV{NOPIPE})) {
	system "clogin -t $timeo -c \"$cisco_cmds\" $host </dev/null > $host.raw 2>&1" || die "clogin failed for $host: $!\n";
	open(INPUT, "< $host.raw") || die "clogin failed for $host: $!\n";
    } else {
	open(INPUT,"clogin -t $timeo -c \"$cisco_cmds\" $host </dev/null |") || die "clogin failed for $host: $!\n";
    }
}

# determine ACL sorting mode
if ($ENV{"ACLSORT"} =~ /no/i) {
    $aclsort = "";
}
# determine community string filtering mode
if (defined($ENV{"NOCOMMSTR"}) &&
    ($ENV{"NOCOMMSTR"} =~ /yes/i || $ENV{"NOCOMMSTR"} =~ /^$/)) {
    $filter_commstr = 1;
} else {
    $filter_commstr = 0;
}
# determine password filtering mode
if ($ENV{"FILTER_PWDS"} =~ /no/i) {
    $filter_pwds = 0;
} elsif ($ENV{"FILTER_PWDS"} =~ /all/i) {
    $filter_pwds = 2;
} else {
    $filter_pwds = 1;
}

ProcessHistory("","","","!RANCID-CONTENT-TYPE: cisco\n!\n");
ProcessHistory("COMMENTS","keysort","B0","!\n");
ProcessHistory("COMMENTS","keysort","D0","!\n");
ProcessHistory("COMMENTS","keysort","F0","!\n");
ProcessHistory("COMMENTS","keysort","G0","!\n");
TOP: while(<INPUT>) {
    tr/\015//d;
    if (/[>#]\s?exit$/) {
	$clean_run = 1;
	last;
    }
    if (/^Error:/) {
	print STDOUT ("$host clogin error: $_");
	print STDERR ("$host clogin 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);
}
