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-rw-r--r--contrib/mklrpnb/extractdach.pl191
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diff --git a/contrib/mklrpnb/extractdach.pl b/contrib/mklrpnb/extractdach.pl
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--- a/contrib/mklrpnb/extractdach.pl
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-#!/usr/bin/perl -w
-#
-# A program to make a netbootable image from a LRP firewall floppy
-#
-# Tested on a Dachstein Linux floppy image available from
-# http://lrp1.steinkuehler.net/ or via http://leaf.sourceforge.net/
-
-# The most recent version of this script and a companion HowTo is available at
-# http://members.optushome.com.au/graybeard/linux/netboot.html
-#
-# Modified from the mklrpnb file found in the contrib/mklrpnb directory of the
-# Etherboot source at http://etherboot.sourceforge.net/
-#
-# Modifications by Glenn McK <graybeard@users.sourceforge.net>
-# $Id$
-#####################################
-
-# this entry will need changing
-$image = "/home/graybeard/etherboot/dachstein-v1.0.2-1680.bin";
-
-# these can remain, but change them if desired
-#
-# the next argument defaults to firewall if no other name is passed via the
-# command line, this will be the directory where distribution will be expanded
-# under $base and also the directory in /tftpboot for lrp.nb
-
-my $uniqdir = shift || 'firewall';
-
-$mntdir = "/mnt/floppy"; # where the above image file can be mounted
-$tftpbase = "/tftpboot";
-$tftpboot = "$tftpbase/$uniqdir"; # where the netboot images will be available
-$base = "/usr/src/LRP";
-$dachorg = "$base/dach-org-$uniqdir"; # a copy required to make the distribution
-$dachnew = "$base/lrp-$uniqdir"; # the base files for the new distribution
-$packages = "$dachnew/var/lib/lrpkg"; # list to allow lrcfg to display Packages
-
-# everything below should be okay
-######################################
-
-if ( !-e $image ) {
- print
-"\n\tA valid LRP file and directory are required\n\tdownload one then edit $0\n\n";
- exit 1;
-}
-if ( !-d $base ) {
- mkdir( $base, 0700 );
-}
-
-if ( !-d $dachorg ) {
- mkdir( $dachorg, 0700 );
-}
-
-if ( !-d $dachnew ) {
- mkdir( $dachnew, 0700 );
- `umount $mntdir`;
- `mount -o ro,loop $image $mntdir`;
-
- `cp -vr $mntdir/* $dachorg/`;
-
- @cfg = `cat $mntdir/syslinux.cfg`;
-
- unless ( defined(@cfg) ) {
- print "Cannot find syslinux.cfg on $mntdir\n";
- exit 1;
- }
- print "cfg = @cfg\n";
- ($append) = grep( /append/, @cfg ); # find the append= line
- print "append = \n$append\n";
- chomp($append); # remove trailing newline
- $append =~ s/append=//; # remove the append= at beginning
- print "strip append = \n$append\n\n";
- @args = split ( / /, $append ); # split into arguments at whitespace
- ($root) = grep( /^initrd=/, @args ); # find the initrd= argument
- $root =~ s/^initrd=//; # remove the initrd= at beginning
- $root =~ s/\.lrp$//; # cleanup for paclages list
- print "strip initrd = \n$root\n\n";
- ($lrp) = grep( /^LRP=/, @args ); # find the LRP= argument
- $lrp =~ s/^LRP=//; # remove the LRP= at beginning
- print "strip LRP =\n$lrp\n\n";
- @lrp = split ( /,/, $lrp ); # split into filenames at ,
- unshift ( @lrp, $root ); # prepend the root LRP filename
- @pack = @lrp;
- print "LRP =\n@lrp\n\n";
- $append = '';
-
- foreach $i (@args) { # rebuild the append string
- next if ( $i =~ /^initrd=/ ); # minus the unneeded parameters
- next if ( $i =~ /^LRP=/ );
- next if ( $i =~ /^boot=/ );
- next if ( $i =~ /^PKGPATH=/ );
- print "$i = i\n";
- $append .= "$i ";
- }
-
- print "final append = \n$append\n";
-
- chdir($dachnew) or die "$dachnew: $!\n";
- foreach $i (@lrp) {
- $i .= '.lrp' if $i !~ /\.lrp$/;
- print "\n\n\nUnpacking $i\n";
- system("ln -svf $dachorg/$i ${dachorg}/${i}.tar.gz");
- chmod 0600, "$dachorg/$i";
- system("cat $mntdir/$i | tar zxvf -");
- }
-
- # create file for lrcfg to display packages
- open( PACKAGES, ">$packages/packages" )
- || print "unable to modify $packages:$!\n";
- foreach $line (@pack) {
- print PACKAGES "$line\n";
- }
- close PACKAGES;
-
- # prevent previous file from being overwritten during installation
- # and also mess with some values in /linuxrc to hide non errors
- open( LINUXRC, "$packages/root.linuxrc" );
- @text = <LINUXRC>;
- close LINUXRC;
- open( LINUXRC, ">$packages/root.linuxrc" );
- foreach $line (@text) {
- $line =~ s/PFX\/packages/PFX\/packages-old \
-\t\t\t\t# packages changed to packages-old for netboot setup/;
- $line =~
-s/^rc=1/# rc=1 changed to rc=0 to suppress error messages for netboot setup \
-rc=0/;
- $line =~
-s/echo -n \" \(nf\!\)\"/#echo -n \" \(nf\!\)\" changed to reflect ToDo list \
-\t\t\techo -n \" netboot setup - No backups possible from this machine - ToFix ?"/;
- print LINUXRC $line;
- }
- close LINUXRC;
-
- # swap interfaces around in network config file
- # eth1 is the new external eth0 is OUR internal server access
- open( NETWORK, "$dachnew/etc/network.conf" )
- || print "Unable to modify NETWORK:$!\n";
- @text = <NETWORK>;
- close NETWORK;
- open( NETWORK, ">$dachnew/etc/network.conf" )
- || print "Unable to modify NETWORK:$!\n";
- foreach $line (@text) {
- $line =~ s/eth0/eth00/;
- $line =~ s/eth1/eth0/;
- $line =~ s/eth00/eth1/;
- print NETWORK $line;
- }
- close NETWORK;
-
- `echo $append > $dachorg/appendstr`;
-
- `umount /mnt/floppy`;
- print "\nThe files have been extracted to $dachnew\n";
- system("ls -al $dachnew");
-}
-else {
- print "\n\n\t$image \n \thas already been extracted to $dachnew \
-\tNow skipping to the next step where the netboot file\
-\twill be created.\n";
-
- $append = `cat $dachorg/appendstr`;
- print "\nThe new append string will be...\n$append\n";
-
- chdir($dachnew);
- if ( !-d $tftpbase ) {
- mkdir( $tftpbase, 0710 );
- system("chgrp nobody $tftpbase");
- }
-
- unlink($tftpboot);
-
- # these permissions really need changing to something secure
- mkdir( $tftpboot, 0710 );
- system("chgrp nobody $tftpboot");
- print "\tRepacking to $tftpboot/lrp.lrp\n";
- system("tar zcf $tftpboot/lrp.lrp *");
- print "\tExtracting kernel image from $dachorg\n";
- system("cat $dachorg/linux > $tftpboot/lrp.ker");
- print "\tCreating netboot image $tftpboot/lrp.nb\n";
- system(
-"mknbi-linux --append='$append' --output=$tftpboot/lrp.nb $tftpboot/lrp.ker $tftpboot/lrp.lrp"
- );
- chmod 0604, "$tftpboot/lrp.nb", "$tftpboot/lrp.ker", "$tftpboot/lrp.lrp";
- print "\nThese netboot files are in $tftpboot\n";
- system("ls -al $tftpboot");
- print "\n The owner and permissions for $tftpboot \
- and files should be checked for security. The above\
-permissions assume that tftp is running chroot (nobody)
- drwx--r--- root:nobody /tftpboot\n\n";
-}
-
-exit 0;
generated by cgit (git 2.34.1) at 2025-02-23 19:15:25 +0000