4 # External mount command for mount(8) to interface lufsd(1)
5 # Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; exactly version 2 of June 1991 is required
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 use Carp qw(cluck confess);
24 # Do not use any non-core Perl modules here.
25 # Be perl-5.0 compatible (is it needed if we require Linux kernel >= 2.4 ?)
28 my $vardir='@localstatedir@/lib/captive';
29 $vardir=~s#\$\Q{prefix}\E#'@prefix@';#ge;
30 $vardir="/var/lib/captive" if $vardir=~/^@/;
31 my $lufsd_bin='@PATH_LUFSD@';
32 $lufsd_bin="/usr/bin/lufsd" if $lufsd_bin=~/^@/;
33 my $captive_sandbox_server_bin='@libexecdir@/captive-sandbox-server';
34 $captive_sandbox_server_bin=~s#\$\Q{exec_prefix}\E#'@exec_prefix@';#ge;
35 $captive_sandbox_server_bin=~s#\$\Q{prefix}\E#'@prefix@';#ge;
36 $captive_sandbox_server_bin="/usr/libexec/captive-sandbox-server" if $captive_sandbox_server_bin=~/^@/;
39 my $ME=($0=~m#([^/]*)$#)[0] or die "Cannot detetect my basename from: $0";
41 $fsname=~s/^mount[.]captive-// or die "Cannot detect captive filesystem module from my name: $fsname";
42 my $image=shift @ARGV or die "Missing argv[1]: device or image pathname";
43 -r $image or die "Image pathname not readable: $image";
44 warn "warning: '-o loop' is not neccessary for Captive filesystem mounts"
45 if $image=~m#^/dev/loop#;
46 my $dir=shift @ARGV or die "Missing argv[2]: mount point directory";
47 -d $dir or die "Mount point directory not a valid directory: $dir";
48 shift @ARGV if my $nomtab =$ARGV[0] && $ARGV[0] eq "-n";
49 shift @ARGV if my $verbose=$ARGV[0] && $ARGV[0] eq "-v";
51 do { shift @ARGV; $oo=shift @ARGV; } if $ARGV[0] && $ARGV[0] eq "-o";
52 die "Excessive arguments: @ARGV" if @ARGV;
57 "You should run captive-install-acquire(1) of 'captive-install' package,
58 otherwise you can also acquire this file from URL:
59 http://www.microsoft.com/WindowsXP/pro/downloads/servicepacks/sp1/checkedbuild.asp
63 my $filesystem=$vardir."/".$fsname.".sys";
64 if (!-r $filesystem) {
65 warn "W32 filesystem .sys module not found: $filesystem";
68 my $ntoskrnl=$vardir."/ntoskrnl.exe";
70 warn "W32 ntoskrnl.exe not found: $ntoskrnl";
74 # Keep @opt_captive ordering
75 # to let the options be overridable by user (such as 'ro').
79 my $opt_rwmode="--blind";
81 $_="--$_" if $_ eq "ro" || $_ eq "rw";
82 $opt_rwmode=$_ if /^--(?:ro|rw|blind)$/;
83 $opt_force=1 if $_ eq "force";
84 push @opt_captive,$_ if /^--/;
85 push @opt_lufs,$_ if !/^--/;
88 # Shameless advertisement:
89 if ($fsname eq "ntfs") {
90 for my $fh (*STDERR,*STDOUT) {
92 print $fh 'Captive NTFS v@VERSION@. Check a new version at: http://www.jankratochvil.net/'."\n";
100 if (!open MTAB,"/etc/mtab") {
101 warn "Cannot open /etc/mtab: $!";
108 ."$ME: $image already mounted\n"
109 ."$ME: according to mtab, $image is mounted on $1\n"
110 ."$ME: Use '-o force' to mount the image notwithstanding.\n"
111 if $mtab=~/^\Q$image\E\s+(\S+)/m;
117 ."mntent.mnt_fsname=$image,mntent.mnt_type=captive-$fsname," # Double-dashes forbidden.
118 ."dir_cache_entries=0,"
120 .join(",",@opt_lufs).","
122 .($fsname eq "cdfs" ? "--cdrom;--ro;" : "--disk;--rw;")
123 ."--load-module=$ntoskrnl;--filesystem=$filesystem;"
124 ."--sandbox-server=$captive_sandbox_server_bin;"
125 ."--bug-pathname=$vardir/bug-%FT%T.captivebug.xml.gz;"
127 .join(";",@opt_captive);
129 warn "$0: '-n' not supported - ignored" if $nomtab;
131 # Use "'$oo'" to permit another expansion by bash(1) during lufsmnt(8) execution.
132 my @argv=($lufsd_bin,"none",$dir,"-o",$oo);
134 print STDERR "$0: @argv\n" if $verbose;
135 exec $lufsd_bin @argv;
136 die "Failed to execute: @argv";