corvilrancid

#! /usr/bin/perl
##
## $Id: rancid.in 2377 2012-01-31 22:55:13Z heas $
##
## rancid 2.3.8
## 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 2.3.8\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
$debug = 0;
my(@commandtable, %commands, @commands);# command lists
my($aclsort) = ("ipsort");              # ACL sorting mode
my($config_register);                   # configuration register value
my($filter_commstr);                    # SNMP community string filtering
my($filter_pwds);                       # password filtering mode
my($supbootdisk) = 0;                   # skip sup-bootflash if sup-bootdisk
                                        # worked

# 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 $command))
        && scalar(%history)) {
        print eval "$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 .* 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: $_") && next;
        # ASA "time-based licenses" - eg: bot-net
        /^This (PIX|platform) has a time-based license that will expire in\s+(\d{2,})\s+day.*$/ &&
            ProcessHistory("COMMENTS","keysort","D1",
                           "!This $1 has a time-based license\n") && next;
        # PIX 6 fail-over license, as in "This PIX has an Unrestricted (UR)
        # license."  PIX 7 as "his platform has ..."
        /^This (PIX|platform) has an?\s+(.*)$/ &&
            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: $2\n");
        }
        /^serial number:\s+(.*)$/i &&
            ProcessHistory("COMMENTS","keysort","C1", "!Serial Number: $1\n") &&
            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 $2\n") &&
            next;
        # CatOS 3500xl stuff
        /^system serial number\s*:\s+(.*)$/i &&
            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|processor board System flash|ATA Comp
actFlash)/ &&
            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 ($ios eq "XE");
        return(1) if (/^\s*\^\s*$/);
        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}//;
        }

        # Filter dhcp database
        next if (/dhcp_[^. ]*\.txt/);

        /\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+:)/);
        # skip dir sup-bootflash if dir sup-bootdisk was successful, duplicates
        if ($cmd =~ / sup-bootdisk/) {
            $supbootdisk++;
        } elsif ($supbootdisk && $cmd =~ / sup-bootflash/) {
            return(0);
        }
        # filter frequently changing files from IOX bootflash
        if ($dev =~ /bootflash/) {
            next if (/temp_cont\s*$/);
            next if (/uptime_cont\s*$/);
        }
        # Filter dhcp database
        next if (/dhcp_[^. ]*\.txt/);

        if ($ios eq "XE" && /.*\((\d+) bytes free\)/) {
            my($tmp) = $1;
            if ($tmp >= (1024 * 1024 * 1024)) {
                $tmp = int($tmp / (1024 * 1024 * 1024));
                s/$1 bytes free/$tmp GB free/;
            } else {
                $tmp = int($tmp / (1024 * 1024));
                s/$1 bytes free/$tmp MB free/;
            }
        }
        if ($ios eq "XE" && /^((\s+)?\d+\s+\S+)\s+\d+.*(tracelogs$)/) {
            $_ = "$1" . sprintf("%43s", "") . "$3\n";
        }
        if ($ios eq "IOS" && /^((\s+)?\d+\s+\S+)\s+\d+.*(sflog$)/) {
            $_ = "$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 arrays 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 arrays for hw info.
sub ShowDiag {
    print STDERR "    In ShowDiag: $_" if ($debug);

    while (<INPUT>) {
REDUX:  tr/\015//d;
        if (/^$prompt/) { $found_diag = 1; last};
        next if (/^(\s*|\s*$cmd\s*)$/);
        return(1) if (/Line has invalid autocommand /);
        return(1) if (/(Invalid (input|command) detected|Type help or )/i);
        return(0) if ($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, $2));
            next;
        }
        # split PID/VID/SN line
        if (/^PID: (\S*)\s*,\s*VID: (\S*)\s*,\s*SN: (\S*)\s*$/) {
            my($pid,$vid,$sn) = ($1, $2, $3);
            my($entries) = "";
            # filter <empty>, "0x" and "N/A" lines
            if ($pid !~ /^(|0x|N\/A)$/) {
                $entries .= "!PID: $pid\n";
            }
            if ($vid !~ /^(|0x|N\/A)$/) {
                $entries .= "!VID: $vid\n";
            }
            if ($sn !~ /^(|0x|N\/A)$/) {
                $entries .= "!SN: $sn\n";
            }
            ProcessHistory("INVENTORY","","", "$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 capture".  Intended for ASA/PIXes.
sub ShowCapture {
    print STDERR "    In ShowCapture: $_" if ($debug);
    my $capture_found = 0;
    while (<INPUT>) {
        tr/\015//d;
        last if (/^$prompt/);
        return(1) 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}//;
        }

        if (/capture (.*) type/) {
            my $cap_name = $1;
            s/\d+ bytes/<COUNTER> bytes/;
            ProcessHistory("CAPTURE","","","!Capture: $cap_name\n");
            ProcessHistory("CAPTURE","","","!Capture: $_");
        } else {
            ProcessHistory("CAPTURE","","","!Capture: $_");
        }
        $capture_found = 1
    }
    ProcessHistory("CAPTURE","","","!\n") if ($capture_found == 1);
    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 "show shun".  Intended for ASA/PIXes.
sub ShowShun {
    print STDERR "    In ShowShun: $_" if ($debug);
    my $shun_found = 0;
    while (<INPUT>) {
        tr/\015//d;
        last if (/^$prompt/);
        return(1) 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("SHUN","","","!Shun: $_");
        $shun_found = 1;
    }
    ProcessHistory("SHUN","","","!\n") if ($shun_found == 1);
    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*$/);
        next if (/^\s*$cmd\s*$/);
        return(1) if (/Line has invalid autocommand /);
        return(1) if (/(Invalid (input|command) detected|Type help or )/i);
        return(1) if (/\%Error: No such file or directory/);
        return(1) if (/(Open device \S+ failed|Error opening \S+:)/);
        return(0) if ($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;
        }
        # config timestamp on MDS/NX-OS
        /Time: / && next;
        # skip ASA 5520 configuration author line
        /^: written by /i && next;
        # 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;
        }
        # filter auto "rogue ap" configuration lines
        /^rogue ap classify / && 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 (/^(\s*ppp .* hostname) .*/ && $filter_pwds >= 1) {
            ProcessHistory("","","","!$1 <removed>\n"); next;
        }
        if (/^(\s*ppp .* password) \d .*/ && $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) (\d )?\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;
        }
        # ASA/PIX keys in more system:running-config
        if (/(\s+ldap-login-password )\S+(.*)/ && $filter_pwds >= 1) {
            ProcessHistory("","","","!$1 <removed> $'"); next;
        }
        # filter WPA password such as on cisco 877W ISR
        if (/^\s+(wpa-psk ascii|hex \d) / && $filter_pwds >= 1) {
            ProcessHistory("","","","!$1 <removed>\n"); 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(v6)? prefix-list\s+(\S+)\s+seq\s+(\d+)\s+(permit|deny)\s+(\S+)(\/.*)$/
            && ProcessHistory("PACL $2 $4","$aclsort","$5",
                              "ip$1 prefix-list $2 $4 $5$6\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 )?\S+/
            && $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 (pnqm-max-correlation-delay) {
            $found_end = 1;
            return(0);
        }
    }
    # The ContentEngine lacks a definitive "end of config" marker.  If we
    # know that it is a CE, SAN, or NXOS and we have seen at least 5 lines
    # of write term output, we can be reasonably sure that we got the config.
    if (($type == "CE" || $type == "SAN" || $type == "NXOS" ) && $linecnt > 5) {
        $found_end = 1;
        return(0);
    }

    return(0);
}

# dummy function
sub DoNothing {print STDOUT;}

# Main
@commandtable = (
        {'show 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);
$cmds_regexp = join("|", map quotemeta($_), @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 corvillogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($debug);
    print STDOUT "executing corvillogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($log);
#    if (defined($ENV{NOPIPE}) && $ENV{NOPIPE} =~ /^YES/i) {
        system "\/var\/rancid\/bin\/corvillogin -t $timeo -c \"$cisco_cmds\" $host </dev/null > $host.new 2>&1" || die "corvillogin failed for $host: $!\n";
#       system "\var\rancid\bin\coril
        open(INPUT, "< $host.raw") || die "corvillogin failed for $host: $!\n";
#    } else {
#       open(INPUT,"/var/rancid/bin/corvillogin -t $timeo -c \"$cisco_cmds\" $host </dev/null |") || die "corvillogin 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 corvillogin error: $_");
        print STDERR ("$host corvillogin 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}) && $ENV{NOPIPE} =~ /^YES/i) {
    unlink("$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);
#}