tests/system/digcomp.pl

#!/usr/bin/perl
#
# Copyright (C) 2004, 2007, 2012, 2013  Internet Systems Consortium, Inc. ("ISC")
# Copyright (C) 2000, 2001  Internet Software Consortium.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

# $Id: digcomp.pl,v 1.14 2007/06/19 23:47:00 tbox Exp $

# Compare two files, each with the output from dig, for differences.
# Ignore "unimportant" differences, like ordering of NS lines, TTL's,
# etc...

$lc = 0;
if ($ARGV[0] eq "--lc") {
    $lc = 1;
    shift;
}
$file1 = $ARGV[0];
$file2 = $ARGV[1];

$count = 0;
$firstname = "";
$status = 0;
$rcode1 = "none";
$rcode2 = "none";

open(FILE1, $file1) || die("open: $file1: $!\n");
while (<FILE1>) {
    chomp;
    if (/^;.+status:\s+(\S+).+$/) {
        $rcode1 = $1;
    }
    next if (/^;/);
    if (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s+(.+)$/) {
        $name = $1;
        $class = $2;
        $type = $3;
        $value = $4;
        if ($lc) {
            $name = lc($name);
            $value = lc($value);
        }
        if ($type eq "SOA") {
            $firstname = $name if ($firstname eq "");
            if ($name eq $firstname) {
                $name = "$name$count";
                $count++;
            }
        }
        if ($entry{"$name ; $class.$type ; $value"} ne "") {
            $line = $entry{"$name ; $class.$type ; $value"};
            print("Duplicate entry in $file1:\n> $_\n< $line\n");
        } else {
            $entry{"$name ; $class.$type ; $value"} = $_;
        }
    }
}
close(FILE1);

$printed = 0;

open(FILE2, $file2) || die("open: $file2: $!\n");
while (<FILE2>) {
    chomp;
    if (/^;.+status:\s+(\S+).+$/) {
        $rcode2 = $1;
    }
    next if (/^;/);
    if (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s+(.+)$/) {
        $name = $1;
        $class = $2;
        $type = $3;
        $value = $4;
        if ($lc) {
            $name = lc($name);
            $value = lc($value);
        }
        if (($name eq $firstname) && ($type eq "SOA")) {
            $count--;
            $name = "$name$count";
        }
        if ($entry{"$name ; $class.$type ; $value"} ne "") {
            $entry{"$name ; $class.$type ; $value"} = "";
        } else {
            print("Only in $file2 (missing from $file1):\n")
                if ($printed == 0);
            print("> $_\n");
            $printed++;
            $status = 1;
        }
    }
}
close(FILE2);

$printed = 0;

foreach $key (keys(%entry)) {
    if ($entry{$key} ne "") {
        print("Only in $file1 (missing from $file2):\n")
            if ($printed == 0);
        print("< $entry{$key}\n");
        $status = 1;
        $printed++;
    }
}

if ($rcode1 ne $rcode2) {
    print("< status: $rcode1\n");
    print("> status: $rcode2\n");
    $status = 1;
}

exit($status);