#!@PERLV_PATH@
##
## Amazingly hacked version of Hank's rancid - this one tries to
## deal with foundrys.
##
## Copyright (C) 1997-2001 by Henry Kilmer.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed without
## fee for non-commerical purposes provided that this copyright notice is
## preserved intact on all copies and modified copies.
##
## There is no warranty or other guarantee of fitness of this software.
## It is provided solely "as is". The author(s) disclaim(s) all
## responsibility and liability with respect to this software's usage
## or its effect upon hardware, computer systems, other software, or
## anything else.
##
##
#
# RANCID - Really Awesome New Cisco confIg Differ
#
# usage: rancid [-d] [-l] [-f filename | $host]
#
use Getopt::Std;
getopts('dflm');
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$clean_run = 0;
$found_end = 0;
$timeo = 90; # flogin timeout in seconds
# This routine is used to print out the router configuration
sub ProcessHistory {
my($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 <=> $b; }
# This is a sort routing that will sort numerically on the
# keys of a hash as if it were a normal array.
sub keynsort {
local(%lines)=@_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort numerically keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routing that will sort on the
# keys of a hash as if it were a normal array.
sub keysort {
local(%lines)=@_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort keys(%lines)) {
$sorted_lines[$i] = $lines{$key};
$i++;
}
@sorted_lines;
}
# This is a sort routing that will sort on the
# values of a hash as if it were a normal array.
sub valsort{
local(%lines)=@_;
local($i) = 0;
local(@sorted_lines);
foreach $key (sort values %lines) {
$sorted_lines[$i] = $key;
$i++;
}
@sorted_lines;
}
# This is a numerical sort routing (ascending).
sub numsort {
local(%lines)=@_;
local($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 /);
s/^\s*(HW|SW)/$1/;
s/^\s*(Compiled on)/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 {
print STDERR " In ShowChassis: $_" if ($debug);
while () {
tr/\015//d;
last if (/^$prompt/);
next if (/ from /);
next if (/current temperature/i);
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(/^$prompt/);
next if /^\s*$/;
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):/ $1:/;
# order access-lists
/^access-list\s+(\d+)\s+(perm|deny)\s+(\d\S+)(\/\d+)\s*$/ &&
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
/^(tacacs-server key )/ &&
ProcessHistory("","","","! $1\n") && next;
/^tacacs-server host (\d+\.\d+\.\d+\.\d+)/ &&
ProcessHistory("TAC","ipsort","$1","$_") && next;
# delete ntp auth password
/^(ntp authentication-key \d+ md5) / &&
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;
ProcessHistory("","","","$_");
# end of config
if (/^end$/) {
$found_end = 1;
return(1);
}
}
return(0);
}
# dummy function
sub DoNothing {print STDOUT;}
# Main
%commands=(
'show version' => "ShowVersion",
'show chassis' => "ShowChassis",
'show module' => "ShowModule",
'show flash' => "ShowFlash",
'write term' => "WriteTerm"
);
# keys() doesnt return things in the order entered and the order of the
# cmds is important. pita
@commands=(
"show version",
"show chassis",
"show module",
"show flash",
"write term"
);
$cisco_cmds=join(";",@commands);
$cmds_regexp=join("|",@commands);
open(OUTPUT,">$host.new") || die "Can't open $host.new for writing: $!\n";
select(OUTPUT);
# make OUTPUT unbuffered if debugging
if ($debug) { $| = 1; }
if ($file) {
print STDERR "opening file $host\n" if ($debug);
print STDOUT "opening file $host\n" if ($log);
open(INPUT,"<$host") || die "open failed for $host: $!\n";
} else {
print STDERR "executing 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 ("HIT COMMAND:$_") if ($debug);
if (! defined($commands{$cmd})) {
print STDERR "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 || !$found_end) {
if (scalar(%commands)) {
printf(STDOUT "missed cmd(s): %s\n", join(',', keys(%commands)));
printf(STDERR "missed cmd(s): %s\n", join(',', keys(%commands))) if ($debug);
}
if (!$clean_run || !$found_end) {
print STDOUT "End of run not found\n";
print STDERR "End of run not found\n" if ($debug);
system("/usr/bin/tail -1 $host.new");
}
unlink "$host.new" if (! $debug);
}