mirror of
https://github.com/opnsense/src.git
synced 2026-03-10 18:21:00 -04:00
137 lines
3.8 KiB
Perl
Executable file
137 lines
3.8 KiB
Perl
Executable file
#!/usr/bin/perl -w
|
|
#-
|
|
# Copyright (c) 2004 Dag-Erling Coïdan Smørgrav
|
|
# All rights reserved.
|
|
#
|
|
# 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
|
|
# in this position and unchanged.
|
|
# 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. The name of the author may not be used to endorse or promote products
|
|
# derived from this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
use strict;
|
|
use Getopt::Std;
|
|
|
|
sub EMPTY() {}
|
|
|
|
MAIN:{
|
|
my %opts;
|
|
getopts('c', \%opts);
|
|
|
|
my %config;
|
|
my $machine;
|
|
my $ident;
|
|
|
|
while (<>) {
|
|
chomp();
|
|
s/\s*(\#.*)?$//;
|
|
next unless $_;
|
|
my ($keyword, $values) = split(' ', $_, 2);
|
|
foreach my $value (split(/,\s*/, $values)) {
|
|
if ($keyword eq 'machine') {
|
|
$machine = $value;
|
|
} elsif ($keyword eq 'ident') {
|
|
$ident = $value;
|
|
} elsif ($keyword eq 'options' && $value =~ m/(\w+)=(.+)/) {
|
|
$config{$keyword}->{$1} = $2;
|
|
} else {
|
|
$config{$keyword}->{$value} = \&EMPTY;
|
|
}
|
|
}
|
|
}
|
|
|
|
my $generic;
|
|
if ($machine) {
|
|
$generic = "/usr/src/sys/$machine/conf/GENERIC";
|
|
} else {
|
|
($generic = $ARGV) =~ s|([^/])+$|GENERIC|;
|
|
}
|
|
local *GENERIC;
|
|
open(GENERIC, "<", $generic)
|
|
or die("$generic: $!\n");
|
|
my $blank = 0;
|
|
while (<GENERIC>) {
|
|
my $line = $_;
|
|
chomp();
|
|
if ($opts{'c'} && m/^\s*\#/) {
|
|
if ($blank) {
|
|
print "\n";
|
|
$blank = 0;
|
|
}
|
|
print $line;
|
|
next;
|
|
}
|
|
++$blank unless $_;
|
|
s/\s*(\#.*)?$//;
|
|
next unless $_;
|
|
my ($keyword, $value) = split(' ', $_);
|
|
if ($keyword eq 'machine') {
|
|
die("$generic is for $value, not $machine\n")
|
|
unless ($value eq $machine);
|
|
} elsif ($keyword eq 'ident') {
|
|
$line =~ s/$value/$ident/;
|
|
} elsif ($keyword eq 'options' && $value =~ m/(\w+)=(.+)/ &&
|
|
$config{$keyword} && $config{$keyword}->{$1} &&
|
|
$config{$keyword}->{$1} != \&EMPTY) {
|
|
$value = $1;
|
|
if ($config{$keyword}->{$value} ne $2) {
|
|
my ($old, $new) = ($2, $config{$keyword}->{$value});
|
|
$line =~ s{=$old}{=$new};
|
|
}
|
|
delete($config{$keyword}->{$value});
|
|
delete($config{$keyword})
|
|
unless %{$config{$keyword}};
|
|
} elsif ($config{$keyword} && $config{$keyword}->{$value}) {
|
|
delete($config{$keyword}->{$value});
|
|
delete($config{$keyword})
|
|
unless %{$config{$keyword}};
|
|
} else {
|
|
next;
|
|
}
|
|
if ($blank) {
|
|
print "\n";
|
|
$blank = 0;
|
|
}
|
|
print $line;
|
|
}
|
|
close(GENERIC);
|
|
|
|
if (%config) {
|
|
print "\n# Addenda\n";
|
|
foreach my $keyword (sort(keys(%config))) {
|
|
foreach my $value (sort(keys(%{$config{$keyword}}))) {
|
|
print "$keyword";
|
|
if (length($keyword) < 7) {
|
|
print "\t";
|
|
} elsif (length($keyword) == 7) {
|
|
print " ";
|
|
}
|
|
print "\t$value";
|
|
print "=$config{$keyword}->{$value}"
|
|
unless $config{$keyword}->{$value} == \&EMPTY;
|
|
print "\n";
|
|
}
|
|
}
|
|
}
|
|
exit(0);
|
|
}
|