package raid; # $Id$
use diagnostics;
use strict;
#-######################################################################################
#- misc imports
#-######################################################################################
use common;
use fs::type;
use run_program;
use devices;
use modules;
use fs;
sub max_nb() { 31 }
sub check_prog {
my ($in) = @_;
$in->do_pkgs->ensure_binary_is_installed('mdadm', 'mdadm') or return;
}
sub new {
my ($raids, %opts) = @_;
my $md_part = { %opts };
add2hash_($md_part, { 'chunk-size' => '64', disks => [],
fs_type => 'ext3',
device => 'md' . int(@$raids),
notFormatted => 1, level => 1 });
push @$raids, $md_part;
foreach (@{$md_part->{disks}}) {
$_->{raid} = $md_part->{device};
fs::type::set_pt_type($_, 0xfd);
delete $_->{mntpoint};
}
update($md_part);
$md_part;
}
sub add {
my ($md_part, $part) = @_;
$md_part->{isMounted} and die N("Can not add a partition to _formatted_ RAID %s", $md_part->{device});
inactivate_and_dirty($md_part);
set_isFormatted($part, 0);
$part->{raid} = $md_part->{device};
delete $part->{mntpoint};
push @{$md_part->{disks}}, $part;
update($md_part);
}
sub delete {
my ($raids, $md_part) = @_;
inactivate_and_dirty($md_part);
delete $_->{raid} foreach @{$md_part->{disks}};
@$raids = grep { $_ != $md_part } @$raids;
}
sub change_device {
my ($md_part, $prev_device) = @_;
if ($prev_device ne $md_part->{device}) {
inactivate_and_dirty({ device => $prev_device });
$_->{raid} = $md_part->{device} foreach @{$md_part->{disks}};
}
}
sub removeDisk {
my ($raids, $part) = @_;
my $md_part = fs::get::device2part($part->{raid}, $raids);
inactivate_and_dirty($md_part);
fs::type::set_isFormatted($part, 0);
delete $part->{raid};
my $disks = $md_part->{disks};
@$disks = grep { $_ != $part } @$disks;
if (@$disks) {
update($md_part);
} else {
@$raids = grep { $_ != $md_part } @$raids;
}
}
sub updateSize {
my ($part) = @_;
local $_ = $part->{level};
my @l = map { $_->{size} } @{$part->{disks}};
$part->{size} = do {
if (/0|linear/) { sum @l }
elsif (/1/) { min @l }
elsif (/4|5/) { min(@l) * $#l }
};
}
sub module {
my ($part) = @_;
my $mod = $part->{level};
$mod = 5 if $mod eq "4";
$mod = "raid$mod" if $mod =~ /^\d+$/;
$mod;
}
sub update {
updateSize($_) foreach @_;
}
sub make {
my ($raids, $part) = @_;
return if is_active($part->{device});
inactivate_and_dirty($part);
isRAID($_) and make($raids, $_) foreach @{$part->{disks}};
eval { modules::load(module($part)) };
whereis_binary('mdadm') or die 'mdadm not installed';
my $dev = devices::make($part->{device});
run_program::run_or_die('mdadm', '--create', '--run', $dev,
'--chunk=' . $part->{'chunk-size'},
"--level=$part->{level}",
'--raid-devices=' . int(@{$part->{disks}}),
map { devices::make($_->{device}) } @{$part->{disks}});
if (my $raw_part = get_md_info($dev)) {
$part->{UUID} = $raw_part->{UUID};
}
}
sub format_part {
my ($raids, $part) = @_;
$part->{isFormatted} and return;
make($raids, $part);
fs::format::part_raw($part, undef);
set_isFormatted($_, 1) foreach @{$part->{disks}};
}
sub verify {
my ($raids) = @_;
foreach (@$raids) {
@{$_->{disks}} >= ($_->{level} =~ /4|5/ ? 3 : 2) or die N("Not enough partitions for RAID level %d\n", $_->{level});
}
}
sub inactivate_and_dirty {
my ($part) = @_;
run_program::run('mdadm', '--stop', devices::make($part->{device}));
set_isFormatted($part, 0);
}
sub active_mds() {
map { if_(/^(md\d+) /, $1) } cat_("/proc/mdstat");
}
sub detect_during_install {
my (@parts) = @_;
detect_during_install_once(@parts);
detect_during_install_once(@parts) if active_mds(); #- try again to detect RAID 10
}
sub detect_during_install_once {
my (@parts) = @_;
devices::make("md$_") foreach 0 .. max_nb();
output('/etc/mdadm.conf', join(' ', 'DEVICE',
(map { "/dev/$_" } active_mds()),
map { devices::make($_->{device}) } @parts), "\n");
run_program::run('mdadm', '>>', '/etc/mdadm.conf', '--examine', '--scan');
foreach (@{parse_mdadm_conf(scalar cat_('/etc/mdadm.conf'))->{ARRAY}}) {
eval { modules::load($_->{level}) };
}
run_program::run('mdadm', '--assemble', '--scan');
}
sub get_existing {
my @parts = @_;
my $raids = [];
foreach my $md (active_mds()) {
my $raw_part = get_md_info(devices::make($md)) or next;
$raw_part->{level} =~ s/raid//; #- { linear | raid0 | raid1 | raid5 } -> { linear | 0 | 1 | 5 }
my @mdparts =
map {
if (my $part = fs::get::device2part($_, [ @parts, @$raids ])) {
$part;
} else {
log::l("ERROR: unknown raw raid device $_");
();
}
} split(',', $raw_part->{devices});
my $md_part = new($raids, device => $md, UUID => $raw_part->{UUID}, level => $raw_part->{level}, disks => \@mdparts);
my $type = fs::type::type_subpart_from_magic($md_part);
if ($type) {
put_in_hash($md_part, $type);
} else {
fs::type::set_fs_type($md_part, 'ext3');
}
my $fs_type = $type && $type->{fs_type};
fs::type::set_isFormatted($md_part, to_bool($fs_type));
log::l("RAID: found $md (raid $md_part->{level}) type $fs_type with parts $raw_part->{devices}");
}
$raids;
}
sub is_active {
my ($dev) = @_;
member($dev, active_mds());
}
sub inactivate_all() {
run_program::run('mdadm', '--stop', devices::make($_)) foreach active_mds();
}
sub prepare_prefixed {
my ($raids) = @_;
my @devices = uniq(map { devices::make($_->{device}) } map { @{$_->{disks}} } @$raids);
output("$::prefix/etc/mdadm.conf",
join(' ', 'DEVICE', @devices) . "\n",
map { "ARRAY " . devices::make($_->{device}) . " UUID=" . $_->{UUID} . "\n" } @$raids);
}
sub get_md_info {
my ($dev) = @_;
my $conf = parse_mdadm_conf(scalar run_program::get_stdout('mdadm', '--detail', '--brief', $dev));
@{$conf->{ARRAY}} or return;
@{$conf->{ARRAY}} == 1 or internal_error("too many answers");
$conf->{ARRAY}[0];
}
sub parse_mdadm_conf {
my ($s) = @_;
my %conf = (DEVICE => [], ARRAY => []);
$s =~ s!^\s*#.*!!gm; #- remove comments
$s =~ s!\n(\s)!$1!g; #- join lines starting with a space
foreach (split("\n", $s)) {
if (/^DEVICE\s+(.*)/) {
push @{$conf{DEVICE}}, split(' ', $1);
} elsif (my ($md, $md_conf) = /^ARRAY\s+(\S+)\s*(.*)/) {
my %md_conf = map { if_(/(.*)=(.*)/, $1 => $2) } split(' ', $md_conf);
$md_conf{device} = $md;
push @{$conf{ARRAY}}, \%md_conf;
}
}
\%conf;
}
1;
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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, @reading_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_(member('keep_freq_passno', @reading_options), freq => $freq, passno => $passno),
};
if ($dev =~ /^LABEL=/) {
if (my ($e) = grep { $_->{mntpoint} eq $mntpoint } read_fstab('', '/proc/mounts')) {
$h->{device_LABEL} = $dev;
$dev = $h->{device} = $e->{device};
}
}
if ($dev =~ m,/(tmp|dev)/,) {
($h->{major}, $h->{minor}) = unmakedev((stat "$prefix$dev")[6]);
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=/ && !member('verbatim_credentials', @reading_options)) {
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' :
isThisFs('davfs', $_) ? 'davs' :
'special';
push @{$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", 'keep_freq_passno');
merge_fstabs($loose, $fstab, @l);
}
sub prepare_write_fstab {
my ($fstab, $prefix, $keep_smb_credentials) = @_;
$prefix ||= '';
my %new;
my @smb_credentials;
my @l = map {
my $device =
isLoopback($_) ?
($_->{mntpoint} eq '/' ? "/initrd/loopfs" : "$_->{loopback_device}{mntpoint}") . $_->{loopback_file} :
part2device($prefix, $_->{device}, $_->{type});
my $real_mntpoint = $_->{mntpoint} || ${{ '/tmp/hdimage' => '/mnt/hd' }}{$_->{real_mntpoint}};
mkdir_p("$prefix$real_mntpoint") 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_LABEL} ? $_->{device_LABEL} :
$_->{device_alias} ? "/dev/$_->{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}) && $_->{type} } @$fstab;
join('', map { $_->[1] } sort { $a->[0] cmp $b->[0] } @l), \@smb_credentials;
}
sub fstab_to_string {
my ($all_hds, $prefix) = @_;
my $fstab = [ fsedit::get_really_all_fstab($all_hds), @{$all_hds->{special}} ];
my ($s, undef) = prepare_write_fstab($fstab, $prefix, 'keep_smb_credentials');
$s;
}
sub write_fstab {
my ($all_hds, $prefix) = @_;
log::l("writing $prefix/etc/fstab");
my $fstab = [ fsedit::get_really_all_fstab($all_hds), @{$all_hds->{special}} ];
my ($s, $smb_credentials) = prepare_write_fstab($fstab, $prefix, '');
output("$prefix/etc/fstab", $s);
network::smb::save_credentials($_) foreach @$smb_credentials;
}
sub part2device {
my ($prefix, $dev, $type) = @_;
$dev eq 'none' || member($type, qw(nfs smbfs davfs)) ?
$dev :
do {
my $dir = $dev =~ m!^(/|LABEL=)! ? '' : '/dev/';
eval { devices::make("$prefix$dir$dev") };
"$dir$dev";
};
}
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, $user_implies) = mount_options();
my @auto_fs = auto_fs();
my %per_fs = (
iso9660 => [ qw(unhide) ],
vfat => [ qw(umask=0) ],
ntfs => [ qw(umask=0) ],
nfs => [ qw(rsize=8192 wsize=8192) ],
smbfs => [ qw(username= password=) ],
davfs => [ qw(username= password= uid= gid=) ],
reiserfs => [ 'notail' ],
);
push @{$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';
}
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 (isThisFs('smbfs', $part)) {
add2hash($options, { 'username=' => '%' }) if !$options->{'credentials='};
}
if (isFat($part) || $is_auto) {
put_in_hash($options, {
user => 1, noexec => 0,
}) if $is_removable;
put_in_hash($options, {
'umask=0' => $security < 3, 'iocharset=' => $iocharset, 'codepage=' => $codepage,
});
}
if (isThisFs('ntfs', $part)) {
put_in_hash($options, { ro => 1, 'umask=0' => $security < 3, '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;
} else {
$options->{notail} = 0;
}
if (isLoopback($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 $name = detect_devices::suggest_mount_point($_) or next;
my $s = ++$names{$name};
$_->{mntpoint} ||= "/mnt/$name" . ($s == 1 ? '' : $s);
}
}
sub get_raw_hds {
my ($prefix, $all_hds) = @_;
$all_hds->{raw_hds} = [ detect_devices::removables() ];
get_major_minor(@{$all_hds->{raw_hds}});
my @fstab = read_fstab($prefix, "/etc/fstab", 'keep_freq_passno');
$all_hds->{nfss} = [ grep { isThisFs('nfs', $_) } @fstab ];
$all_hds->{smbs} = [ grep { isThisFs('smbfs', $_) } @fstab ];
$all_hds->{davs} = [ grep { isThisFs('davfs', $_) } @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 N("%s formatting of %s failed", "ext2", $dev);
run_program::run('mke2fs', '-F', @options, devices::make($dev)) or die N("%s formatting of %s failed", grep { $_ eq '-j' } @options ? "ext3" : "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 N("%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 N("%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 N("%s formatting of %s failed", "jfs", $dev);
}
sub format_dos {
my ($dev, @options) = @_;
run_program::run("mkdosfs", @options, devices::make($dev)) or die N("%s formatting of %s failed", "dos", $dev);
}
sub format_hfs {
my ($dev, @options) = @_;
run_program::run("hformat", @options, devices::make($dev)) or die N("%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 N("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);
$dev = part2device('', $dev, $fs);
my @fs_modules = qw(vfat hfs romfs ufs reiserfs xfs jfs ext3);
if (member($fs, 'smb', 'smbfs', 'nfs', 'davfs', 'ntfs') && $::isStandalone) {
system('mount', '-t', $fs, $dev, $where, if_($options, '-o', $options)) == 0 or die N("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)) {
$where =~ s|/$||;
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 do {
my $err = $?;
die "fsck.jfs failed" if $err & 0xfc00;
};
} elsif ($fs eq 'ext2' || $fs eq 'ext3' && $::isInstall) {
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;
}
}
# really mount as ext2 during install for speed up
$fs = 'ext2';
}
if (member($fs, @fs_modules)) {
eval { modules::load($fs) };
} elsif ($fs eq 'iso9660') {
eval { modules::load('isofs') };
}
log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)");
syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die N("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 N("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 {
|