summaryrefslogtreecommitdiffstats
path: root/perl-install/fs.pm
diff options
context:
space:
mode:
Diffstat (limited to 'perl-install/fs.pm')
-rw-r--r--perl-install/fs.pm878
1 files changed, 0 insertions, 878 deletions
diff --git a/perl-install/fs.pm b/perl-install/fs.pm
deleted file mode 100644
index c684bf7be..000000000
--- a/perl-install/fs.pm
+++ /dev/null
@@ -1,878 +0,0 @@
-package fs; # $Id$
-
-use diagnostics;
-use strict;
-
-use MDK::Common::System;
-use MDK::Common::Various;
-use common;
-use log;
-use devices;
-use partition_table qw(:types);
-use run_program;
-use swap;
-use detect_devices;
-use modules;
-use fsedit;
-use loopback;
-
-
-sub read_fstab {
- my ($prefix, $file, $all_options) = @_;
-
- my %comments;
- my $comment;
- my @l = grep {
- if (/^\s*#/) {
- $comment .= chomp_($_) . "\n";
- 0;
- } else {
- $comments{$_} = $comment if $comment;
- $comment = '';
- 1;
- }
- } cat_("$prefix$file");
-
- #- attach comments at the end of fstab to the previous line
- $comments{$l[-1]} = $comment if $comment;
-
- map {
- my ($dev, $mntpoint, $type, $options, $freq, $passno) = split;
- my $comment = $comments{$_};
-
- $options = 'defaults' if $options eq 'rw'; # clean-up for mtab read
-
- $type = fs2type($type);
- if ($type eq 'supermount') {
- # normalize this bloody supermount
- $options = join(",", 'supermount', grep {
- if (/fs=(.*)/) {
- $type = $1;
- 0;
- } elsif (/dev=(.*)/) {
- $dev = $1;
- 0;
- } elsif ($_ eq '--') {
- 0;
- } else {
- 1;
- }
- } split(',', $options));
- } elsif ($type eq 'smb') {
- # prefering type "smbfs" over "smb"
- $type = 'smbfs';
- }
- $mntpoint =~ s/\\040/ /g;
- $dev =~ s/\\040/ /g;
-
- my $h = {
- device => $dev, mntpoint => $mntpoint, type => $type,
- options => $options, comment => $comment,
- if_($all_options, freq => $freq, passno => $passno),
- };
-
- ($h->{major}, $h->{minor}) = unmakedev((stat "$prefix$dev")[6]);
-
- if ($dev =~ m,/(tmp|dev)/,) {
- my $symlink = readlink("$prefix$dev");
- $dev =~ s,/(tmp|dev)/,,;
-
- if ($symlink =~ m|^[^/]+$|) {
- $h->{device_alias} = $dev;
- $h->{device} = $symlink;
- } else {
- $h->{device} = $dev;
- }
- }
-
- if ($h->{options} =~ /credentials=/) {
- require network::smb;
- #- remove credentials=file with username=foo,password=bar,domain=zoo
- #- the other way is done in fstab_to_string
- my ($options, $unknown) = mount_options_unpack($h);
- my $file = delete $options->{'credentials='};
- my $credentials = network::smb::read_credentials_raw($file);
- if ($credentials->{username}) {
- $options->{"$_="} = $credentials->{$_} foreach qw(username password domain);
- mount_options_pack($h, $options, $unknown);
- }
- }
-
- $h;
- } @l;
-}
-
-sub merge_fstabs {
- my ($loose, $fstab, @l) = @_;
-
- foreach my $p (@$fstab) {
- my ($p2) = grep { fsedit::is_same_hd($_, $p) } @l or next;
- @l = grep { !fsedit::is_same_hd($_, $p) } @l;
-
- $p->{mntpoint} = $p2->{mntpoint} if delete $p->{unsafeMntpoint};
-
- $p->{type} = $p2->{type} if $p2->{type} && !$loose;
- $p->{options} = $p2->{options} if $p2->{options} && !$loose;
- #- important to get isMounted property else DrakX may try to mount already mounted partitions :-(
- add2hash($p, $p2);
- $p->{device_alias} ||= $p2->{device_alias} || $p2->{device} if $p->{device} ne $p2->{device} && $p2->{device} !~ m|/|;
-
- $p->{type} && $p2->{type} && $p->{type} ne $p2->{type} && type2fs($p) ne type2fs($p2) &&
- $p->{type} ne 'auto' && $p2->{type} ne 'auto' and
- log::l("err, fstab and partition table do not agree for $p->{device} type: " .
- (type2fs($p) || type2name($p->{type})) . " vs ", (type2fs($p2) || type2name($p2->{type})));
- }
- @l;
-}
-
-sub add2all_hds {
- my ($all_hds, @l) = @_;
-
- @l = merge_fstabs('', [ fsedit::get_really_all_fstab($all_hds) ], @l);
-
- foreach (@l) {
- my $s =
- isThisFs('nfs', $_) ? 'nfss' :
- isThisFs('smbfs', $_) ? 'smbs' :
- 'special';
- push @{$all_hds->{$s}}, $_;
- }
-}
-
-sub get_major_minor {
- eval {
- my (undef, $major, $minor) = devices::entry($_->{device});
- ($_->{major}, $_->{minor}) = ($major, $minor);
- } foreach @_;
-}
-
-sub merge_info_from_mtab {
- my ($fstab) = @_;
-
- my @l1 = map { my $l = $_;
- my %l = (type => fs2type('swap'));
- $l{$_} = $l->{$_} foreach qw(device major minor);
- \%l;
- } read_fstab('', '/proc/swaps');
-
- my @l2 = map { read_fstab('', $_) } '/etc/mtab', '/proc/mounts';
-
- foreach (@l1, @l2) {
- log::l("found mounted partition on $_->{device} with $_->{mntpoint}");
- if ($::isInstall && $_->{mntpoint} eq '/tmp/hdimage') {
- log::l("found hdimage on $_->{device}");
- $_->{real_mntpoint} = delete $_->{mntpoint};
- $_->{mntpoint} = common::usingRamdisk() && "/mnt/hd"; #- remap for hd install.
- }
- $_->{isMounted} = $_->{isFormatted} = 1;
- delete $_->{options};
- }
- merge_fstabs('loose', $fstab, @l1, @l2);
-}
-
-# - when using "$loose", it does not merge in type&options from the fstab
-sub merge_info_from_fstab {
- my ($fstab, $prefix, $uniq, $loose) = @_;
-
- my @l = grep {
- if ($uniq) {
- my $part = fsedit::mntpoint2part($_->{mntpoint}, $fstab);
- !$part || fsedit::is_same_hd($part, $_); #- keep it only if it is the mountpoint AND the same device
- } else {
- 1;
- }
- } read_fstab($prefix, "/etc/fstab", 'all_options');
-
- merge_fstabs($loose, $fstab, @l);
-}
-
-sub prepare_write_fstab {
- my ($all_hds, $prefix, $keep_smb_credentials) = @_;
- $prefix ||= '';
-
- my @l1 = (fsedit::get_really_all_fstab($all_hds), @{$all_hds->{special}});
- my @l2 = read_fstab($prefix, "/etc/fstab", 'all_options');
-
- {
- #- remove entries from @l2 that are given by @l1
- #- this is needed to allow to unset a mount point
- my %new;
- $new{$_->{device}} = 1 foreach @l1;
- delete $new{none}; #- special case for device "none" which can be _mounted_ more than once
- @l2 = grep { !$new{$_->{device}} } @l2;
- }
-
- my %new;
- my @smb_credentials;
- my @l = map {
- my $device =
- $_->{device} eq 'none' || member($_->{type}, qw(nfs smbfs)) ?
- $_->{device} :
- isLoopback($_) ?
- ($_->{mntpoint} eq '/' ? "/initrd/loopfs" : "$_->{loopback_device}{mntpoint}") . $_->{loopback_file} :
- do {
- my $dir = $_->{device} =~ m|^/| ? '' : '/dev/';
- eval { devices::make("$prefix$dir$_->{device}") };
- "$dir$_->{device}";
- };
-
- my $real_mntpoint = $_->{mntpoint} || ${{ '/tmp/hdimage' => '/mnt/hd' }}{$_->{real_mntpoint}};
- mkdir("$prefix$real_mntpoint", 0755) if $real_mntpoint =~ m|^/|;
- my $mntpoint = loopback::carryRootLoopback($_) ? '/initrd/loopfs' : $real_mntpoint;
-
- my ($freq, $passno) =
- exists $_->{freq} ?
- ($_->{freq}, $_->{passno}) :
- isTrueFS($_) && $_->{options} !~ /encryption=/ ?
- (1, $_->{mntpoint} eq '/' ? 1 : loopback::carryRootLoopback($_) ? 0 : 2) :
- (0, 0);
-
- if (($device eq 'none' || !$new{$device}) && ($mntpoint eq 'swap' || !$new{$mntpoint})) {
- #- keep in mind the new line for fstab.
- $new{$device} = 1;
- $new{$mntpoint} = 1;
-
- my $options = $_->{options};
-
- if (isThisFs('smbfs', $_) && $options =~ /password=/ && !$keep_smb_credentials) {
- require network::smb;
- if (my ($opts, $smb_credentials) = network::smb::fstab_entry_to_credentials($_)) {
- $options = $opts;
- push @smb_credentials, $smb_credentials;
- }
- }
-
- my $type = type2fs($_);
-
- my $dev = $_->{device_alias} ? "/dev/$_->{device_alias}" : $device;
-
- $mntpoint =~ s/ /\\040/g;
- $dev =~ s/ /\\040/g;
-
- # handle bloody supermount special case
- if ($options =~ /supermount/) {
- my @l = grep { $_ ne 'supermount' } split(',', $options);
- my @l1 = grep { member($_, 'ro', 'exec') } @l;
- my @l2 = difference2(\@l, \@l1);
- $options = join(",", "dev=$dev", "fs=$type", @l1, if_(@l2, '--', @l2));
- ($dev, $type) = ('none', 'supermount');
- }
-
- [ $mntpoint, $_->{comment} . join(' ', $dev, $mntpoint, $type, $options || 'defaults', $freq, $passno) . "\n" ];
- } else {
- ()
- }
- } grep { $_->{device} && ($_->{mntpoint} || $_->{real_mntpoint}) && $_->{type} } (@l1, @l2);
-
- join('', map { $_->[1] } sort { $a->[0] cmp $b->[0] } @l), \@smb_credentials;
-}
-
-sub fstab_to_string {
- my ($all_hds, $prefix) = @_;
- my ($s, undef) = prepare_write_fstab($all_hds, $prefix, 'keep_smb_credentials');
- $s;
-}
-
-sub write_fstab {
- my ($all_hds, $prefix) = @_;
- log::l("writing $prefix/etc/fstab");
- my ($s, $smb_credentials) = prepare_write_fstab($all_hds, $prefix, '');
- output("$prefix/etc/fstab", $s);
- network::smb::save_credentials($_) foreach @$smb_credentials;
-}
-
-sub auto_fs() {
- grep { chop; $_ && !/nodev/ } cat_("/etc/filesystems");
-}
-
-sub mount_options {
- my %non_defaults = (
- sync => 'async', noatime => 'atime', noauto => 'auto', ro => 'rw',
- user => 'nouser', nodev => 'dev', noexec => 'exec', nosuid => 'suid',
- );
- my @user_implies = qw(noexec nodev nosuid);
- \%non_defaults, \@user_implies;
-}
-
-# simple function
-# use mount_options_unpack + mount_options_pack for advanced stuff
-sub add_options(\$@) {
- my ($option, @options) = @_;
- my %l; @l{split(',', $$option), @options} = (); delete $l{defaults};
- $$option = join(',', keys %l) || "defaults";
-}
-
-sub mount_options_unpack {
- my ($part) = @_;
- my $packed_options = $part->{options};
-
- my ($non_defaults, $user_implies) = mount_options();
-
- my @auto_fs = auto_fs();
- my %per_fs = (
- iso9660 => [ qw(unhide) ],
- vfat => [ qw(umask=0) ],
- nfs => [ qw(rsize=8192 wsize=8192) ],
- smbfs => [ qw(username= password=) ],
- reiserfs => [ 'notail' ],
- );
- push @{$per_fs{$_}}, 'usrquota', 'grpquota' foreach 'ext2', 'ext3', 'xfs';
-
- while (my ($fs, $l) = each %per_fs) {
- isThisFs($fs, $part) || $part->{type} eq 'auto' && member($fs, @auto_fs) or next;
- $non_defaults->{$_} = 1 foreach @$l;
- }
-
- $non_defaults->{encrypted} = 1 if !$part->{isFormatted} || isSwap($part);
-
- $non_defaults->{supermount} = 1 if member(type2fs($part), 'auto', @auto_fs);
-
- my $defaults = { reverse %$non_defaults };
- my %options = map { $_ => '' } keys %$non_defaults;
- my @unknown;
- foreach (split(",", $packed_options)) {
- if ($_ eq 'user') {
- $options{$_} = 1 foreach ('user', @$user_implies);
- } elsif (exists $non_defaults->{$_}) {
- $options{$_} = 1;
- } elsif ($defaults->{$_}) {
- $options{$defaults->{$_}} = 0;
- } elsif (/(.*?=)(.*)/) {
- $options{$1} = $2;
- } else {
- push @unknown, $_;
- }
- }
- # merge those, for cleaner help
- $options{'rsize=8192,wsize=8192'} = delete $options{'rsize=8192'} && delete $options{'wsize=8192'}
- if exists $options{'rsize=8192'};
-
- my $unknown = join(",", @unknown);
- \%options, $unknown;
-}
-
-sub mount_options_pack_ {
- my ($part, $options, $unknown) = @_;
-
- my ($non_defaults, $user_implies) = mount_options();
- my @l;
-
- if (delete $options->{user}) {
- push @l, 'user';
- foreach (@$user_implies) {
- if (!delete $options->{$_}) {
- # overriding
- $options->{$non_defaults->{$_}} = 1;
- }
- }
- }
- push @l, map_each { if_($::b, $::a =~ /=$/ ? "$::a$::b" : $::a) } %$options;
- push @l, $unknown;
-
- join(",", uniq(grep { $_ } @l));
-}
-sub mount_options_pack {
- my ($part, $options, $unknown) = @_;
- $part->{options} = mount_options_pack_($part, $options, $unknown);
- noreturn();
-}
-
-sub mount_options_help {
- my %help = map { $_ => '' } @_;
- my %short = map { if_(/(.*?)=/, "$1=" => $_) } keys %help;
-
- foreach (split(':', $ENV{LANGUAGE}), '') {
- my $manpage = "/usr/share/man/$_/man8/mount.8.bz2";
- -e $manpage or next;
-
- my ($tp, $option);
- foreach (`bzip2 -dc $manpage`) {
- my $prev_tp = $tp;
- $tp = /^\.(TP|RE)/;
- my ($s) = /^\.B (.*)/;
- if ($prev_tp && $s eq '\-o' .. /X^/) {
- if (my $v = $prev_tp && $s =~ /^[a-z]/i .. $tp) {
- if ($v == 1) {
- $s = $short{$s} || $s;
- $option = exists $help{$s} && !$help{$s} ? $s : '';
- } elsif ($v !~ 'E0') {
- s/\\//g;
- s/\s*"(.*?)"\s*/$1/g if s/^\.BR\s+//;
- s/^\.B\s+//;
- $help{$option} .= $_ if $option;
- }
- }
- }
- }
- }
- %help;
-}
-
-sub set_default_options {
- my ($part, $is_removable, $useSupermount, $security, $iocharset, $codepage) = @_;
-
- my ($options, $unknown) = mount_options_unpack($part);
-
- if ($is_removable) {
- $options->{supermount} = $useSupermount;
- $part->{type} = 'auto'; # if supermount, code below will handle choosing the right type
- }
-
- my $is_auto = isThisFs('auto', $part);
-
- if ($part->{media_type} eq 'cdrom') {
- $options->{ro} = 1;
- }
-
- if ($part->{media_type} eq 'fd') {
- # slow device so don't loose time, write now!
- $options->{sync} = 1;
- }
-
- if (isTrueFS($part)) {
- #- noatime on laptops (do not wake up the hd)
- #- Do not update inode access times on this
- #- file system (e.g, for faster access on the
- #- news spool to speed up news servers).
- $options->{noatime} = detect_devices::isLaptop();
- }
- if (isThisFs('nfs', $part)) {
- put_in_hash($options, {
- nosuid => 1, 'rsize=8192,wsize=8192' => 1, soft => 1,
- });
- }
- if (isFat($part) || $is_auto) {
-
- put_in_hash($options, {
- user => 1, noexec => 0,
- }) if !exists $part->{rootDevice}; # partition means no removable media
-
- put_in_hash($options, {
- 'umask=0' => $security < 3, 'iocharset=' => $iocharset, 'codepage=' => $codepage,
- });
- }
- if (isThisFs('ntfs', $part) || $is_auto) {
- put_in_hash($options, { 'iocharset=' => $iocharset });
- }
- if (isThisFs('iso9660', $part) || $is_auto) {
- put_in_hash($options, { user => 1, noexec => 0, 'iocharset=' => $iocharset });
- }
- if (isThisFs('reiserfs', $part)) {
- $options->{notail} = 1;
- }
- if (isLoopback($part) && !isSwap($part)) { #- no need for loop option for swap files
- $options->{loop} = 1;
- }
-
- # rationalize: no need for user
- if ($options->{autofs} || $options->{supermount}) {
- $options->{user} = 0;
- }
-
- # have noauto when we have user
- $options->{noauto} = 1 if $options->{user};
-
- if ($options->{user}) {
- # ensure security (user_implies - noexec as noexec is not a security matter)
- $options->{$_} = 1 foreach 'nodev', 'nosuid';
- }
-
- mount_options_pack($part, $options, $unknown);
-}
-
-sub set_all_default_options {
- my ($all_hds, $useSupermount, $security, $iocharset, $codepage) = @_;
-
- my @removables = @{$all_hds->{raw_hds}};
-
- foreach my $part (fsedit::get_really_all_fstab($all_hds)) {
- set_default_options($part, member($part, @removables), $useSupermount, $security, $iocharset, $codepage);
- }
-}
-
-sub set_removable_mntpoints {
- my ($all_hds) = @_;
-
- my %names;
- foreach (@{$all_hds->{raw_hds}}) {
- my $name = $_->{media_type};
- if (member($name, 'hd', 'fd')) {
- if (detect_devices::isZipDrive($_)) {
- $name = 'zip';
- } elsif ($name eq 'fd') {
- $name = 'floppy';
- } else {
- log::l("set_removable_mntpoints: don't know what to with hd $_->{device}");
- next;
- }
- }
- if ($name) {
- my $s = ++$names{$name};
- $_->{mntpoint} ||= "/mnt/$name" . ($s == 1 ? '' : $s);
- }
- }
-}
-
-sub get_raw_hds {
- my ($prefix, $all_hds) = @_;
-
- $all_hds->{raw_hds} =
- [
- detect_devices::floppies(),
- detect_devices::cdroms__faking_ide_scsi(),
- detect_devices::zips__faking_ide_scsi(),
- ];
- get_major_minor(@{$all_hds->{raw_hds}});
-
- my @fstab = read_fstab($prefix, "/etc/fstab", 'all_options');
- $all_hds->{nfss} = [ grep { isThisFs('nfs', $_) } @fstab ];
- $all_hds->{smbs} = [ grep { isThisFs('smbfs', $_) } @fstab ];
- $all_hds->{special} = [
- (grep { isThisFs('tmpfs', $_) } @fstab),
- { device => 'none', mntpoint => '/proc', type => 'proc' },
- { device => 'none', mntpoint => '/dev/pts', type => 'devpts', options => 'mode=0620' },
- ];
-}
-
-################################################################################
-# formatting functions
-################################################################################
-sub disable_forced_fsck {
- my ($dev) = @_;
- run_program::run("tune2fs", "-c0", "-i0", devices::make($dev));
-}
-
-sub format_ext2($@) {
- #- mke2fs -b (1024|2048|4096) -c -i(1024 > 262144) -N (1 > 100000000) -m (0-100%) -L volume-label
- #- tune2fs
- my ($dev, @options) = @_;
- $dev =~ m,(rd|ida|cciss)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only.
- push @options, qw(-b 1024 -O none) if arch() =~ /alpha/;
- run_program::run('mke2fs', '-F', @options, devices::make($dev)) or die _("%s formatting of %s failed", "ext2", $dev);
-}
-sub format_ext3 {
- my ($dev, @options) = @_;
- format_ext2($dev, "-j", @options);
- disable_forced_fsck($dev);
-}
-sub format_reiserfs {
- my ($dev, @options) = @_;
- #TODO add -h tea
- run_program::run("mkreiserfs", "-ff", @options, devices::make($dev)) or die _("%s formatting of %s failed", "reiserfs", $dev);
-}
-sub format_xfs {
- my ($dev, @options) = @_;
- run_program::run("mkfs.xfs", "-f", "-q", @options, devices::make($dev)) or die _("%s formatting of %s failed", "xfs", $dev);
-}
-sub format_jfs {
- my ($dev, @options) = @_;
- run_program::run("mkfs.jfs", "-f", @options, devices::make($dev)) or die _("%s formatting of %s failed", "jfs", $dev);
-}
-sub format_dos {
- my ($dev, @options) = @_;
- run_program::run("mkdosfs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "dos", $dev);
-}
-sub format_hfs {
- my ($dev, @options) = @_;
- run_program::run("hformat", @options, devices::make($dev)) or die _("%s formatting of %s failed", "HFS", $dev);
-}
-sub real_format_part {
- my ($part) = @_;
-
- $part->{isFormatted} and return;
-
- my $dev = $part->{real_device} || $part->{device};
-
- my @options = $part->{toFormatCheck} ? "-c" : ();
- log::l("formatting device $dev (type ", type2name($part->{type}), ")");
-
- if (isExt2($part)) {
- push @options, "-F" if isLoopback($part);
- push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
- format_ext2($dev, @options);
- } elsif (isThisFs("ext3", $part)) {
- push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
- format_ext3($dev, @options);
- } elsif (isThisFs("reiserfs", $part)) {
- format_reiserfs($dev, @options, if_(c::kernel_version() =~ /^\Q2.2/, "-v", "1"));
- } elsif (isThisFs("xfs", $part)) {
- format_xfs($dev, @options);
- } elsif (isThisFs("jfs", $part)) {
- format_jfs($dev, @options);
- } elsif (isDos($part)) {
- format_dos($dev, @options);
- } elsif (isWin($part)) {
- format_dos($dev, @options, '-F', 32);
- } elsif (isThisFs('hfs', $part)) {
- format_hfs($dev, @options, '-l', "Untitled");
- } elsif (isAppleBootstrap($part)) {
- format_hfs($dev, @options, '-l', "bootstrap");
- } elsif (isSwap($part)) {
- my $check_blocks = grep { /^-c$/ } @options;
- swap::make($dev, $check_blocks);
- } else {
- die _("I don't know how to format %s in type %s", $part->{device}, type2name($part->{type}));
- }
- $part->{isFormatted} = 1;
-}
-sub format_part {
- my ($raids, $part, $prefix) = @_;
- if (isRAID($part)) {
- require raid;
- raid::format_part($raids, $part);
- } elsif (isLoopback($part)) {
- loopback::format_part($part, $prefix);
- } else {
- real_format_part($part);
- }
-}
-
-################################################################################
-# mounting functions
-################################################################################
-sub set_loop {
- my ($part) = @_;
- if (!$part->{real_device}) {
- eval { modules::load('loop') };
- $part->{real_device} = devices::set_loop(devices::make($part->{device}), $part->{encrypt_key}, $part->{options} =~ /encryption=(\w+)/);
- }
-}
-
-sub formatMount_part {
- my ($part, $raids, $fstab, $prefix, $callback) = @_;
-
- if (isLoopback($part)) {
- formatMount_part($part->{loopback_device}, $raids, $fstab, $prefix, $callback);
- }
- if (my $p = up_mount_point($part->{mntpoint}, $fstab)) {
- formatMount_part($p, $raids, $fstab, $prefix, $callback) unless loopback::carryRootLoopback($part);
- }
- if ($part->{encrypt_key}) {
- set_loop($part);
- }
- if ($part->{toFormat}) {
- $callback->($part) if $callback;
- format_part($raids, $part, $prefix);
- }
- mount_part($part, $prefix);
-}
-
-sub formatMount_all {
- my ($raids, $fstab, $prefix, $callback) = @_;
- formatMount_part($_, $raids, $fstab, $prefix, $callback)
- foreach sort { isLoopback($a) ? 1 : isSwap($a) ? -1 : 0 } grep { $_->{mntpoint} } @$fstab;
-
- #- ensure the link is there
- loopback::carryRootCreateSymlink($_, $prefix) foreach @$fstab;
-
- #- for fun :)
- #- that way, when install exits via ctrl-c, it gives hand to partition
- eval {
- local $SIG{__DIE__} = 'ignore';
- my ($type, $major, $minor) = devices::entry(fsedit::get_root($fstab)->{device});
- output "/proc/sys/kernel/real-root-dev", makedev($major, $minor);
- };
-}
-
-sub mount {
- my ($dev, $where, $fs, $rdonly, $options) = @_;
- log::l("mounting $dev on $where as type $fs, options $options");
-
- -d $where or mkdir_p($where);
-
- my @fs_modules = qw(vfat hfs romfs ufs reiserfs xfs jfs ext3);
-
- if (member($fs, 'smb', 'smbfs', 'nfs', 'ntfs') && $::isStandalone) {
- system('mount', '-t', $fs, $dev, $where, '-o', $options) == 0 or die _("mounting partition %s in directory %s failed", $dev, $where);
- return; #- do not update mtab, already done by mount(8)
- } elsif (member($fs, 'ext2', 'proc', 'usbdevfs', 'iso9660', @fs_modules)) {
- $dev = devices::make($dev) if $fs ne 'proc' && $fs ne 'usbdevfs';
- $where =~ s|/$||;
-
- my $flag = c::MS_MGC_VAL();
- $flag |= c::MS_RDONLY() if $rdonly;
- my $mount_opt = "";
-
- if ($fs eq 'vfat') {
- $mount_opt = 'check=relaxed';
- } elsif ($fs eq 'reiserfs') {
- #- could be better if we knew if there is a /boot or not
- #- without knowing it, / is forced to be mounted with notail
- # if $where =~ m|/(boot)?$|;
- $mount_opt = 'notail'; #- notail in any case
- } elsif ($fs eq 'jfs' && !$rdonly) {
- #- needed if the system is dirty otherwise mounting read-write simply fails
- run_program::run("fsck.jfs", $dev) or die "fsck.jfs failed";
- } elsif ($fs eq 'ext2') {
- foreach ('-a', '-y') {
- run_program::run("fsck.ext2", $_, $dev);
- my $err = $?;
- if ($err & 0x0100) { log::l("fsck corrected partition $dev") }
- if ($err & 0xfeff) {
- my $txt = sprintf("fsck failed on %s with exit code %d or signal %d", $dev, $err >> 8, $err & 255);
- $_ eq '-y' ? die($txt) : cdie($txt);
- } else {
- last;
- }
- }
- }
- if (member($fs, @fs_modules)) {
- eval { modules::load($fs) };
- } elsif ($fs eq 'iso9660') {
- eval { modules::load('isofs') };
- }
- if ($fs eq 'ext3' && $::isInstall) {
- # ext3 mount to use the journal
- syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die _("mounting partition %s in directory %s failed", $dev, $where) . " ($!)";
- syscall_('umount', $where);
- # really mount as ext2 during install for speed up
- $fs = 'ext2';
- }
- log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)");
- syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die _("mounting partition %s in directory %s failed", $dev, $where) . " ($!)";
- } else {
- log::l("skipping mounting $fs partition");
- return;
- }
- local *F;
- open F, ">>/etc/mtab" or return; #- fail silently, /etc must be read-only
- print F "$dev $where $fs defaults 0 0\n";
-}
-
-#- takes the mount point to umount (can also be the device)
-sub umount {
- my ($mntpoint) = @_;
- $mntpoint =~ s|/$||;
- log::l("calling umount($mntpoint)");
- syscall_('umount', $mntpoint) or die _("error unmounting %s: %s", $mntpoint, "$!");
-
- substInFile { $_ = '' if /(^|\s)$mntpoint\s/ } '/etc/mtab'; #- don't care about error, if we can't read, we won't manage to write... (and mess mtab)
-}
-
-sub mount_part {
- my ($part, $prefix, $rdonly) = @_;
-
- #- root carrier's link can't be mounted
- loopback::carryRootCreateSymlink($part, $prefix);
-
- log::l("isMounted=$part->{isMounted}, real_mntpoint=$part->{real_mntpoint}, mntpoint=$part->{mntpoint}");
- if ($part->{isMounted} && $part->{real_mntpoint} && $part->{mntpoint}) {
- log::l("remounting partition on $prefix$part->{mntpoint} instead of $part->{real_mntpoint}");
- if ($::isInstall) { #- ensure partition will not be busy.
- require install_any;
- install_any::getFile('XXX');
- }
- eval {
- umount($part->{real_mntpoint});
- rmdir $part->{real_mntpoint};
- symlinkf "$prefix$part->{mntpoint}", $part->{real_mntpoint};
- delete $part->{real_mntpoint};
- $part->{isMounted} = 0;
- };
- }
-
- return if $part->{isMounted};
-
- unless ($::testing) {
- if (isSwap($part)) {
- swap::swapon($part->{device});
- } else {
- $part->{mntpoint} or die "missing mount point for partition $part->{device}";
-
- my $mntpoint = ($prefix || '') . $part->{mntpoint};
- if (isLoopback($part) || $part->{encrypt_key}) {
- set_loop($part);
- } elsif (loopback::carryRootLoopback($part)) {
- $mntpoint = "/initrd/loopfs";
- }
- my $dev = $part->{real_device} || $part->{device};
- mount($dev, $mntpoint, type2fs($part), $rdonly, $part->{options});
- rmdir "$mntpoint/lost+found";
- }
- }
- $part->{isMounted} = $part->{isFormatted} = 1; #- assume that if mount works, partition is formatted
-}
-
-sub umount_part {
- my ($part, $prefix) = @_;
-
- $part->{isMounted} || $part->{real_mntpoint} or return;
-
- unless ($::testing) {
- if (isSwap($part)) {
- swap::swapoff($part->{device});
- } elsif (loopback::carryRootLoopback($part)) {
- umount("/initrd/loopfs");
- } else {
- umount(($prefix || '') . $part->{mntpoint} || devices::make($part->{device}));
- devices::del_loop(delete $part->{real_device}) if $part->{real_device};
- }
- }
- $part->{isMounted} = 0;
-}
-
-sub mount_all($;$$) {
- my ($fstab, $prefix) = @_;
-
- log::l("mounting all filesystems");
-
- #- order mount by alphabetical order, that way / < /home < /home/httpd...
- foreach (sort { $a->{mntpoint} cmp $b->{mntpoint} } grep { isSwap($_) || $_->{mntpoint} && isTrueFS($_) } @$fstab) {
- mount_part($_, $prefix);
- }
-}
-
-sub umount_all($;$) {
- my ($fstab, $prefix) = @_;
-
- log::l("unmounting all filesystems");
-
- foreach (sort { $b->{mntpoint} cmp $a->{mntpoint} } @$fstab) {
- $_->{mntpoint} and umount_part($_, $prefix);
- }
-}
-
-################################################################################
-# various functions
-################################################################################
-sub df {
- my ($part, $prefix) = @_;
- my $dir = "/tmp/tmp_fs_df";
-
- return $part->{free} if exists $part->{free};
-
- if ($part->{isMounted}) {
- $dir = ($prefix || '') . $part->{mntpoint};
- } elsif ($part->{notFormatted} && !$part->{isFormatted}) {
- return; #- won't even try!
- } else {
- mkdir $dir;
- eval { mount($part->{device}, $dir, type2fs($part), 'readonly') };
- if ($@) {
- $part->{notFormatted} = 1;
- $part->{isFormatted} = 0;
- unlink $dir;
- return;
- }
- }
- my (undef, $free) = MDK::Common::System::df($dir);
-
- if (!$part->{isMounted}) {
- umount($dir);
- unlink($dir)
- }
-
- $part->{free} = 2 * $free if defined $free;
- $part->{free};
-}
-
-sub up_mount_point {
- my ($mntpoint, $fstab) = @_;
- while (1) {
- $mntpoint = dirname($mntpoint);
- $mntpoint ne "." or return;
- $_->{mntpoint} eq $mntpoint and return $_ foreach @$fstab;
- }
-}
-
-1;
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-01 11:10:00 +0000