#! @PERLV_PATH@
##
## $Id: francid.in,v 1.42 2006/10/05 05:43:31 heas Exp $
##
## @PACKAGE@ @VERSION@
## Copyright (C) 1997-2006 by Terrapin Communications, Inc.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed
## without fee for non-commerical purposes provided that this license
## remains intact and unmodified with any RANCID distribution.
##
## There is no warranty or other guarantee of fitness of this software.
## It is provided solely "as is". The author(s) disclaim(s) all
## responsibility and liability with respect to this software's usage
## or its effect upon hardware, computer systems, other software, or
## anything else.
##
## Except where noted otherwise, rancid was written by and is maintained by
## Henry Kilmer, John Heasley, Andrew Partan, Pete Whiting, and Austin Schutz.
##
#
# Amazingly hacked version of Hank's rancid - this one tries to
# deal with foundrys and foundrys OEM'd by HP as Procurves.
#
# RANCID - Really Awesome New Cisco confIg Differ
#
# usage: rancid [-dV] [-l] [-f filename | hostname]
#
use Getopt::Std;
getopts('dflV');
if ($opt_V) {
print "@PACKAGE@ @VERSION@\n";
exit(0);
}
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$clean_run = 0;
$found_end = 0;
$timeo = 90; # flogin timeout in seconds
my(@commandtable, %commands, @commands);# command lists
my(%filter_pwds); # password filtering mode
# This routine is used to print out the router configuration
sub ProcessHistory {
my($new_hist_tag,$new_command,$command_string,@string) = (@_);
if ((($new_hist_tag ne $hist_tag) || ($new_command ne $command))
&& defined %history) {
print eval "$command \%history";
undef %history;
}
if (($new_hist_tag) && ($new_command) && ($command_string)) {
if ($history{$command_string}) {
$history{$command_string} = "$history{$command_string}@string";
} else {
$history{$command_string} = "@string";
}
} elsif (($new_hist_tag) && ($new_command)) {
$history{++$#history} = "@string";
} else {
print "@string";
}
$hist_tag = $new_hist_tag;
$command = $new_command;
1;
}
sub numerically { $a <=> $b; }
# This is a sort routine that will sort numerically on the
# keys of a hash as if it were a normal array.
sub keynsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort numerically keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# keys of a hash as if it were a normal array.
sub keysort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# values of a hash as if it were a normal array.
sub valsort{
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort values %lines) {
$sorted_lines[$i] = $key;
$i++;
}
@sorted_lines;
}
# This is a numerical sort routine (ascending).
sub numsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $num (sort {$a <=> $b} keys %lines) {
$sorted_lines[$i] = $lines{$num};
$i++;
}
@sorted_lines;
}
# This is a sort routine that will sort on the
# ip address when the ip address is anywhere in
# the strings.
sub ipsort {
local(%lines) = @_;
local($i) = 0;
local(@sorted_lines);
foreach $addr (sort sortbyipaddr keys %lines) {
$sorted_lines[$i] = $lines{$addr};
$i++;
}
@sorted_lines;
}
# These two routines will sort based upon IP addresses
sub ipaddrval {
my(@a) = ($_[0] =~ m#^(\d+)\.(\d+)\.(\d+)\.(\d+)$#);
$a[3] + 256 * ($a[2] + 256 * ($a[1] +256 * $a[0]));
}
sub sortbyipaddr {
&ipaddrval($a) <=> &ipaddrval($b);
}
# This routine parses "show version"
sub ShowVersion {
my($slot);
print STDERR " In ShowVersion: $_" if ($debug);
while () {
tr/\015//d;
next if /^\s*$/;
last if (/^$prompt/);
next if (/^(The system |Crash time)/);
next if (/^((Active|Standby) Management|LP Slot \d+) uptime is/);
s/^\s*(HW|SW)/$1/;
s/^\s*(Compiled on)/SW: $1/;
s/^\s*(\(\d+ bytes\) from )/SW: $1/;
#s/^(HW.*)/$1\n/;
if (/^SL (\d+)/) {
$slot = "Slot $1";
s/^SL \d+/$slot/;
}
if (/MHz .* processor/) {
$slot = "MGMT";
}
s/^(\s*\d+ )/$slot:$1/;
s/^===*//;
ProcessHistory("VERSION","","","!$_");
}
ProcessHistory("VERSION","","","!\n");
return(0);
}
# This routine parses "show chassis"
sub ShowChassis {
my($skip) = 0;
print STDERR " In ShowChassis: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
next if (/ from /);
next if (/current temperature/i);
if (/^---/ || /^$/) { # next section reached
$skip = 0;
}
if (/(POWERS|TEMPERATURE READINGS)/) {
$skip = 1;
}
if (/fan controlled temperature:/i) {
$skip = 1;
}
if (/THERMAL PLANE/) {
$skip = 1;
}
if (/temperature:/i) {
$skip = 1;
}
s/(Fan \d+ \S+), speed .*/$1/;
if (/speed/i) {
$skip = 1;
}
next if $skip;
ProcessHistory("CHASSIS","","","! $_");
}
ProcessHistory("CHASSIS","","","!\n");
return(0);
}
# This routine parses "show flash"
sub ShowFlash {
print STDERR " In ShowFlash: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
next if (/^\s*$/);
ProcessHistory("FLASH","","","!Flash: $_");
}
ProcessHistory("","","","!\n");
return;
}
# This routine parses "show module"
sub ShowModule {
print STDERR " In ShowModule: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
return(1) if (/Invalid input ->/);
next if (/^\s*$/);
next if (/:\s*$/);
ProcessHistory("MODULE","","","!Module: $_");
}
ProcessHistory("","","","!\n");
return(0);
}
# This routine processes a "write term"
sub WriteTerm {
print STDERR " In WriteTerm: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
/Current configuration:/i && next;
/^ver \d+\.\d+/ && next;
/^module \d+ / && next;
/^ntp clock-period / && next; # kill ntp clock-period
/^ length / && next; # kill length on serial lines
/^ width / && next; # kill width on serial lines
# filter out any RCS/CVS tags to avoid confusing local CVS storage
s/\$(Revision|Id):/ $1:/;
# sort secure-mac-addresses. Note: There is no way to determine which
# have been added dynamically vs statically. Thus, sort them?
/secure-mac-address (\S+)/ &&
ProcessHistory("SECMAC","keysort","$1","$_") && next;
# OR filter them? XXX
#next if (/secure-mac-address/);
# order access-lists
/^access-list\s+(\d+)\s+(perm|deny)\s+(\d\S+)(\/\d+)\s*$/ &&
ProcessHistory("PACL $1 $2","ipsort","$3","$_")
&& next;
/^access-list\s+(\d\d?)\s+(\S+)\s+(\S+)/ &&
ProcessHistory("ACL $1 $2","ipsort","$3","$_") && next;
# order extended access-lists
/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+host\s+(\S+)/ &&
ProcessHistory("EACL $1 $2","ipsort","$3","$_") && next;
/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+(\d\S+)/ &&
ProcessHistory("EACL $1 $2","ipsort","$3","$_") && next;
/^access-list\s+(\d\d\d)\s+(\S+)\s+ip\s+any/ &&
ProcessHistory("EACL $1 $2","ipsort","0.0.0.0","$_") && next;
# order arp lists
/^arp\s+(\d+\.\d+\.\d+\.\d+)\s+/ &&
ProcessHistory("ARP","ipsort","$1","$_") && next;
# order logging statements
/^logging (\d+\.\d+\.\d+\.\d+)/ &&
ProcessHistory("LOGGING","ipsort","$1","$_") && next;
# order/prune snmp-server host/community statements
if (/^(snmp-server host )(\d+\.\d+\.\d+\.\d+)/) {
if (defined($ENV{'NOCOMMSTR'})) {
ProcessHistory("SNMPSERVERHOST","ipsort","$2","!$1 $2 \n") && next;
} else {
ProcessHistory("SNMPSERVERHOST","ipsort","$2","$_") && next;
}
}
if (/^(snmp-server community )(\S+)/) {
if (defined($ENV{'NOCOMMSTR'})) {
ProcessHistory("SNMPSERVERCOMM","keysort","$_","!$1$'") && next;
} else {
ProcessHistory("SNMPSERVERCOMM","keysort","$_","$_") && next;
}
}
# order tacacs server statements
if (/^(tacacs-server key )/ && $filter_pwds >= 1) {
ProcessHistory("","","","! $1\n");
next;
}
# delete ntp auth password
if (/^(ntp authentication-key \d+ md5) / && $filter_pwds >= 2) {
ProcessHistory("","","","!$1 \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 line statements
/^ip host line(\d+)/ &&
ProcessHistory("IPHOST","numsort","$1","$_") && next;
# order ip nat source static statements
/^ip nat (\S+) source static (\S+)/ &&
ProcessHistory("IP NAT $1","ipsort","$2","$_") && next;
# filter ssh public key
if (/^(crypto key generate (rsa|dsa) public_key)/ &&
$filter_pwds >= 2) {
ProcessHistory("","","","!$1 \n");
next;
}
# filter ssh private key
if (/^(crypto key generate (rsa|dsa) private_key)/ &&
$filter_pwds >= 1) {
ProcessHistory("","","","!$1 \n");
next;
}
# reorder listing of ports in a vlan
if (/^ (?:un)?tagged ethe/) {
chomp;
s/^\s+//;
s/\s+$//;
my @list = split /\s+ethe\s+/, $_;
my $tagtype = shift @list;
while (@list) {
ProcessHistory("","","",
" $tagtype ethe " . (shift @list) . "\n");
}
next;
}
ProcessHistory("","","","$_");
# end of config
if (/^end$/) {
$found_end = 1;
return(1);
}
}
return(0);
}
# dummy function
sub DoNothing {print STDOUT;}
# Main
@commandtable = (
{'show version' => 'ShowVersion'},
{'show chassis' => 'ShowChassis'},
{'show module' => 'ShowModule'},
{'show flash' => 'ShowFlash'},
{'write term' => 'WriteTerm'}
);
# Use an array to preserve the order of the commands and a hash for mapping
# commands to the subroutine and track commands that have been completed.
@commands = map(keys(%$_), @commandtable);
%commands = map(%$_, @commandtable);
$cisco_cmds=join(";",@commands);
$cmds_regexp=join("|",@commands);
if (length($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 flogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($debug);
print STDOUT "executing flogin -t $timeo -c\"$cisco_cmds\" $host\n" if ($log);
if (defined($ENV{NOPIPE})) {
system "flogin -t $timeo -c \"$cisco_cmds\" $host $host.raw 2>&1" || die "flogin failed for $host: $!\n";
open(INPUT, "< $host.raw") || die "flogin failed for $host: $!\n";
} else {
open(INPUT,"flogin -t $timeo -c \"$cisco_cmds\" $host ) {
tr/\015//d;
if (/\#exit$/) {
$clean_run=1;
last;
}
if (/^Error:/) {
print STDOUT ("$host flogin error: $_");
print STDERR ("$host flogin 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);
}