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#!/usr/bin/perl
# drakupdate_fstab
# Copyright (C) 2002-2008 Mandriva (pixel@mandriva.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
use lib qw(/usr/lib/libDrakX);
use detect_devices;
use security::level;
use common;
use fsedit;
use lang;
use any;
use fs;
$::isStandalone = 1; #- not using standalone.pm which generates too many logs for drakupdate_fstab purpose
log::l("drakupdate_fstab called with @ARGV\n");
my ($debug, $verbose, $removed);
my %args = (
'--auto' => \$::auto,
'--debug' => \$debug,
'--test' => \$::testing,
'--verbose' => \$verbose,
);
each_index {
if ($args{$_}) {
${$args{$_}} = 1;
splice @ARGV, $::i - $removed, 1;
$removed++;
}
} @ARGV;
my ($raw_action, $device_name) = @ARGV;
my ($action) = $raw_action =~ /^--(add|del)/;
@ARGV == 2 && $action or die "usage: drakupdate_fstab [--test] [--verbose] [--auto] [--add | --del] <device>\n";
main($action, $device_name);
sub device_name_to_entry {
my ($name) = @_;
$name =~ s|/dev/||;
$name =~ /fd[01]/ && !$::auto and return { device => $name };
my @l = detect_devices::get();
if ($debug) {
require Data::Dumper;
output("/tmp/drakdump_devices-$action", Data::Dumper->Dump([ \@l ], [ qw($l) ]));
}
my $e;
{
unless ($e = find { $name eq $_->{device} } @l) {
my ($prefix) = $name =~ m/^(.*?)\d*$/;
$e = find { $prefix eq ($_->{prefix} || $_->{device}) } @l;
$e->{device} = $name;
}
}
$e->{media_type} = 'fd' if $name =~ /fd[01]/;
$e;
}
sub set_options {
my ($part) = @_;
$part->{is_removable} = 1; #- force removable flag
fs::mount_options::set_default($part,
security => security::level::get(),
lang::fs_options(lang::read()));
}
sub set_mount_point {
my ($part, $fstab, $is_hd) = @_;
my $mntpoint = $is_hd ? 'hd' : detect_devices::suggest_mount_point($part);
$mntpoint = "/media/$mntpoint";
foreach ('', 2 .. 10) {
next if fs::get::mntpoint2part("$mntpoint$_", $fstab);
$part->{mntpoint} = "$mntpoint$_";
return 1;
}
0;
}
sub main {
my ($action, $device_name) = @_;
my $device = device_name_to_entry($device_name);
if ($device->{media_type} eq 'hd') {
my $all_hds = fsedit::get_hds();
my $hd = find { fs::get::is_same_hd($_, $device) } fs::get::hds($all_hds);
$hd or die "unable to find hd for $device->{device}";
my @parts = grep { !fsedit::isSwap($_) } partition_table::get_normal_parts($hd);
configure_part($action, $_, 'hd') foreach @parts;
} else {
configure_part($action, $device, undef);
}
}
sub configure_part {
my ($action, $part, $is_hd) = @_;
my $fstab_file = '/etc/fstab';
if (!$part) {
print STDERR "Can not find device $device_name\n" if $::testing;
return;
} elsif ($::testing) {
cp_af('/etc/fstab', $fstab_file = '/tmp/fstab');
}
my $fstab = [ fs::read_fstab('', '/etc/fstab', 'keep_freq_passno', 'verbatim_credentials') ];
my ($existing_fstab_entries, $fstab_) = partition { fs::get::is_same_hd($_, $part) } @$fstab;
if ($debug) {
require Data::Dumper;
output("/tmp/drakdump_entries-$action", Data::Dumper->Dump([ \@ARGV, $part, $fstab, $fstab_, $existing_fstab_entries ],
[ qw($ARGV $part $fstab $fstab_ $existing_fstab_entries) ]));
}
if ($action eq 'add') {
if (@$existing_fstab_entries) {
print STDERR "Already in fstab\n" if $::testing;
return;
}
set_mount_point($part, $fstab, $is_hd) or return;
my ($line) = fs::prepare_write_fstab([$part]);
if ($line) {
append_to_file($fstab_file, $line);
system("mount $part->{mntpoint}") if !$::testing && ($device_name =~ /^fd\d+/ || $is_hd);
}
if ($verbose) {
print $part->{mntpoint}, " user\n";
}
} else {
if (!@$existing_fstab_entries) {
print STDERR "Not found in fstab\n" if $::testing;
return;
}
my ($s) = fs::prepare_write_fstab($fstab_, '', 'keep_smb_credentials');
output($fstab_file, $s);
if ($verbose) {
print "$_->{mntpoint}\n" foreach @$existing_fstab_entries;
}
}
if ($::testing) {
print "fstab would have changed:\n";
system("diff -u /etc/fstab $fstab_file");
}
}
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