diff options
Diffstat (limited to 'perl-install/standalone/drakupdate_fstab')
| -rwxr-xr-x | perl-install/standalone/drakupdate_fstab | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/perl-install/standalone/drakupdate_fstab b/perl-install/standalone/drakupdate_fstab new file mode 100755 index 000000000..4d48ef1f1 --- /dev/null +++ b/perl-install/standalone/drakupdate_fstab @@ -0,0 +1,191 @@ +#!/usr/bin/perl + +# drakupdate_fstab +# Copyright (C) 2002-2006 Mandriva (pixel@mandrakesoft.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; + +$::isStandalone = 1; #- not using standalone.pm which generates too many logs for drakupdate_fstab purpose + +log::l("drakupdate_fstab called with @ARGV\n"); + +my ($no_flag, $debug, $removed); + +my %args = ( + '--auto' => \$::auto, + '--debug' => \$debug, + '--no-flag' => \$no_flag, + '--test' => \$::testing, + ); + +each_index { + if ($args{$_}) { + ${$args{$_}} = 1; + splice @ARGV, $::i - $removed, 1; + $removed++; + } +} @ARGV; + +my ($raw_action, $device_name) = @ARGV; +my ($action) = $raw_action =~ /^--(add|del)/; + +@ARGV == 2 && $action or die "usage: drakupdate_fstab [--test] [--auto] [--no-flag] [--add | --del] <device>\n"; + +main($action, $device_name); + + +sub check_hard_drives { + my ($name) = @_; + + #- do not do anything if there are many partitions + #- otherwise we may add main extended partitions + if (my ($path, $prefix) = $name =~ m!^(.*)/(\w+)\d+$!) { + my @parts = grep { /^\Q$prefix\E\d+$/ } all($path); + @parts <= 1; + } else { + 1; + } +} + +sub device_name_to_entry { + my ($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, $useSupermount, $o_sync) = @_; + + $part->{is_removable} = 1; #- force removable flag + fs::mount_options::set_default($part, + useSupermount => $useSupermount, + security => security::level::get(), + lang::fs_options(lang::read())); + + my ($options, $unknown) = fs::mount_options::unpack($part); + $options->{sync} = $o_sync if defined($o_sync); + $options->{kudzu} = 1 if !$no_flag; + fs::mount_options::pack($part, $options, $unknown); +} + +sub set_mount_point { + my ($part, $fstab) = @_; + + my $mntpoint = detect_devices::suggest_mount_point($part) or return; + $mntpoint = "/media/$mntpoint"; + + foreach ('', 2 .. 10) { + next if fs::get::mntpoint2part("$mntpoint$_", $fstab); + $part->{mntpoint} = "$mntpoint$_"; + return 1; + } + 0; +} + +sub main { + my ($action, $device_name) = @_; + + if ($::auto) { + check_hard_drives($device_name) or return; + } + + my $part = device_name_to_entry($device_name); + 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; + } + my %dynamic = getVarsFromSh('/etc/sysconfig/dynamic'); + my $useSupermount = $dynamic{SUPERMOUNT} eq 'yes' ? 'magicdev' : ''; + set_options($part, $useSupermount, to_bool($dynamic{SYNC} ne 'no')); + set_mount_point($part, $fstab) or return; + + my ($line) = fs::prepare_write_fstab([$part]); + if ($line) { + append_to_file($fstab_file, $line); + system("mount $part->{mntpoint}") if !$::testing && $device_name =~ /^fd\d+/; + } + + if ($::auto) { + print $part->{mntpoint}, " ", $useSupermount ? 'supermount' : 'user', "\n"; + } + } else { + if (!@$existing_fstab_entries) { + print STDERR "Not found in fstab\n" if $::testing; + return; + } + foreach (@$existing_fstab_entries) { + if (!$no_flag && $_->{options} !~ /\bkudzu\b/) { + print STDERR "Not a 'kudzu'-flagged entry\n" if $::testing; + return; + } + } + + my ($s) = fs::prepare_write_fstab($fstab_, '', 'keep_smb_credentials'); + output($fstab_file, $s); + + if ($::auto) { + print "$_->{mntpoint}\n" foreach @$existing_fstab_entries; + } + } + + if ($::testing) { + print "fstab would have changed:\n"; + system("diff -u /etc/fstab $fstab_file"); + } +} |