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 = find { $_->{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 ($l1, $l2) = partition { fsedit::is_same_hd($_, $p) } @l;
my ($p2) = @$l1 or next;
@l = @$l2;
$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; $_ && !/nodev/ } cat_("/etc/filesystems");
}
sub mount_options {
my %non_defaults = (
sync => 'async', noatime => 'atime', noauto => 'auto', ro => 'rw',
user => 'nouser', nodev => 'dev', noexec => 'exec', nosuid => 'suid',
);
my @user_implies = qw(noexec nodev nosuid);
\%non_defaults, \@user_implies;
}
sub mount_options_unpack {
my ($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) = @_;
$dev =~ m,(rd|ida|cciss)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only.
push @options, qw(-b 1024 -O none) if arch() =~ /alpha/;
run_program::raw({ timeout => 60 * 60 }, 'mke2fs', '-F', @options, devices::make($dev)) or die N("%s formatting of %s failed", any { $_ 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 ($dev, @options) = @_;
#TODO add -h tea
run_program::raw({ timeout => 60 * 60 }, "mkreiserfs", "-ff", @options, devices::make($dev)) or die N("%s formatting of %s failed", "reiserfs", $dev);
}
sub format_xfs {
my ($dev, @options) = @_;
run_program::raw({ timeout => 60 * 60 }, "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::raw({ timeout => 60 * 60 }, "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::raw({ timeout => 60 * 60 }, "mkdosfs", @options, devices::make($dev)) or die N("%s formatting of %s failed", "dos", $dev);
}
sub format_hfs {
my ($dev, @options) = @_;
run_program::raw({ timeout => 60 * 60 }, "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} || $part->{device};
my @options = if_($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 $check_blocks = any { /^-c$/ } @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::raw({ timeout => 60 * 60 }, "fsck.jfs", $dev) or do {
my $err = $?;
die "fsck.jfs failed" if $err & 0xfc00;
};
} elsif ($fs eq 'ext2' || $fs eq 'ext3' && $::isInstall) {
if (!$rdonly) {
foreach ('-a', '-y') {
run_program::raw({ timeout => 60 * 60 }, "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 $fs partition");
return;
}
eval { #- fail silently, /etc must be read-only
append_to_file("/etc/mtab", "$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};
}
}
$part->{isMounted} = 0;
}
sub umount_all($;$) {
my ($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} && !$part->{isFormatted}) {
return; #- won't even try!
} else {
mkdir_p($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;
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package install_any;
use diagnostics;
use strict;
use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK);
@ISA = qw(Exporter);
%EXPORT_TAGS = (
all => [ qw(getNextStep spawnShell addToBeDone) ],
);
@EXPORT_OK = map { @$_ } values %EXPORT_TAGS;
#-######################################################################################
#- misc imports
#-######################################################################################
use common qw(:common :system :functional :file);
use commands;
use run_program;
use partition_table qw(:types);
use partition_table_raw;
use devices;
use fsedit;
use network;
use modules;
use detect_devices;
use fs;
use log;
#-######################################################################################
#- Functions
#-######################################################################################
sub relGetFile($) {
local $_ = $_[0];
my $dir = m|/| ? "mdkinst" :
(member($_, qw(compss compssList compssUsers depslist hdlist)) ? "base" : "RPMS");
$_ = "Mandrake/$dir/$_";
s/i386/i586/;
$_;
}
sub getFile($) {
local $^W = 0;
if ($::o->{method} && $::o->{method} eq "ftp") {
require ftp;
*install_any::getFile = \&ftp::getFile;
} elsif ($::o->{method} && $::o->{method} eq "http") {
require http;
*install_any::getFile = \&http::getFile;
} else {
*install_any::getFile = sub($) {
open getFile, "/tmp/rhimage/" . relGetFile($_[0]) or return;
*getFile;
};
}
goto &getFile;
}
sub kernelVersion {
local $_ = readlink("$::o->{prefix}/boot/vmlinuz") || $::testing && "vmlinuz-2.2.testversion" or die "I couldn't find the kernel package!";
first(/vmlinuz-(.*)/);
}
sub getNextStep {
my ($s) = $::o->{steps}{first};
$s = $::o->{steps}{$s}{next} while $::o->{steps}{$s}{done} || !$::o->{steps}{$s}{reachable};
$s;
}
sub spawnShell {
return if $::o->{localInstall} || $::testing;
-x "/bin/sh" or die "cannot open shell - /usr/bin/sh doesn't exist";
fork and return;
local *F;
sysopen F, "/dev/tty2", 2 or die "cannot open /dev/tty2 -- no shell will be provided";
open STDIN, "<&F" or die '';
open STDOUT, ">&F" or die '';
open STDERR, ">&F" or die '';
close F;
c::setsid();
ioctl(STDIN, c::TIOCSCTTY(), 0) or warn "could not set new controlling tty: $!";
exec {"/bin/sh"} "-/bin/sh" or log::l("exec of /bin/sh failed: $!");
}
sub shells($) {
my ($o) = @_;
my @l = grep { -x "$o->{prefix}$_" } @{$o->{shells}};
@l ? @l : "/bin/bash";
}
sub getAvailableSpace {
my ($o) = @_;
do { $_->{mntpoint} eq '/usr' and return int($_->{size} * 512 / 1.07) } foreach @{$o->{fstab}};
do { $_->{mntpoint} eq '/' and return int($_->{size} * 512 / 1.07) } foreach @{$o->{fstab}};
if ($::testing) {
log::l("taking 200MB for testing");
return 200 << 20;
}
die "missing root partition";
}
sub setPackages($) {
my ($o) = @_;
require pkgs;
if (is_empty_hash_ref($o->{packages})) {
my $useHdlist = $o->{method} !~ /nfs|hd/ || $o->{isUpgrade};
eval { $o->{packages} = pkgs::psUsingHdlist() } if $useHdlist;
$o->{packages} = pkgs::psUsingDirectory() if !$useHdlist || $@;
push @{$o->{default_packages}}, "nfs-utils-clients" if $o->{method} eq "nfs";
push @{$o->{default_packages}}, "numlock" if $o->{miscellaneous}{numlock};
push @{$o->{default_packages}}, "kernel-secure" if $o->{security} > 3;
push @{$o->{default_packages}}, "kernel-smp" if $o->{security} <= 3 && detect_devices::hasSMP(); #- no need for kernel-smp if we have kernel-secure which is smp
push @{$o->{default_packages}}, "kernel-pcmcia-cs" if $o->{pcmcia};
push @{$o->{default_packages}}, "apmd" if $o->{pcmcia};
push @{$o->{default_packages}}, "raidtools" if $o->{raid} && !is_empty_array_ref($o->{raid}{raid});
pkgs::getDeps($o->{packages});
my $c; ($o->{compss}, $c) = pkgs::readCompss($o->{packages});
$o->{compssListLevels} = pkgs::readCompssList($o->{packages}, $c);
($o->{compssUsers}, $o->{compssUsersSorted}) = pkgs::readCompssUsers($o->{packages}, $o->{compss});
my @l = ();
push @l, "kapm" if $o->{pcmcia};
$_->{values} = [ map { $_ + 50 } @{$_->{values}} ] foreach grep {$_} map { $o->{packages}{$_} } @l;
grep { !$o->{packages}{$_} && log::l("missing base package $_") } @{$o->{base}} and die "missing some base packages";
} else {
$_->{selected} = 0 foreach values %{$o->{packages}};
}
#- this will be done if necessary in the selectPackagesToUpgrade,
#- move the selection here ? this will remove the little window.
unless ($o->{isUpgrade}) {
do {
my $p = $o->{packages}{$_} or log::l("missing base package $_"), next;
pkgs::select($o->{packages}, $p, 1);
} foreach @{$o->{base}};
do {
my $p = $o->{packages}{$_} or log::l("missing add-on package $_"), next;
pkgs::select($o->{packages}, $p);
} foreach @{$o->{default_packages}};
}
}
sub selectPackagesToUpgrade($) {
my ($o) = @_;
require pkgs;
pkgs::selectPackagesToUpgrade($o->{packages}, $o->{prefix}, $o->{base}, $o->{toRemove}, $o->{toSave});
}
sub addToBeDone(&$) {
my ($f, $step) = @_;
return &$f() if $::o->{steps}{$step}{done};
push @{$::o->{steps}{$step}{toBeDone}}, $f;
}
sub getHds {
my ($o) = @_;
my ($ok, $ok2) = 1;
my @drives = detect_devices::hds();
add2hash_($o->{partitioning}, { readonly => 1 }) if partition_table_raw::typeOfMBR($drives[0]{device}) eq 'system_commander';
getHds:
$o->{hds} = catch_cdie { fsedit::hds(\@drives, $o->{partitioning}) }
sub {
my ($err) = $@ =~ /(.*) at /;
$@ =~ /overlapping/ and $o->ask_warn('', $@), return 1;
$o->ask_okcancel(_("Error"),
[_("I can't read your partition table, it's too corrupted for me :(
I'll try to go on blanking bad partitions"), $err]) unless $o->{partitioning}{readonly};
$ok = 0; 1
};
if (is_empty_array_ref($o->{hds}) && $o->{autoSCSI}) {
$o->setupSCSI; #- ask for an unautodetected scsi card
goto getHds;
}
($o->{hds}, $o->{fstab}, $ok2) = fsedit::verifyHds($o->{hds}, $o->{partitioning}{readonly}, $ok);
fs::check_mounted($o->{fstab});
$o->{partitioning}{clearall} and return 1;
$o->ask_warn('',
_("DiskDrake failed to read correctly the partition table.
Continue at your own risk!")) if !$ok2 && $ok && !$o->{partitioning}{readonly};
$ok2;
}
sub searchAndMount4Upgrade {
my ($o) = @_;
my ($root, $found);
my $w = $::beginner && $o->wait_message('', _("Searching root partition."));
#- try to find the partition where the system is installed if beginner
#- else ask the user the right partition, and test it after.
getHds($o);
#- get all ext2 partition that may be root partition.
my %Parts = my %parts = map { $_->{device} => $_ } grep { isExt2($_) } @{$o->{fstab}};
while (keys(%parts) > 0) {
$root = $::beginner ? first(%parts) : $o->selectRootPartition(keys %parts);
$root = delete $parts{$root};
my $r; unless ($r = $root->{realMntpoint}) {
$r = $o->{prefix};
$root->{mntpoint} = "/";
log::l("trying to mount partition $root->{device}");
eval { fs::mount_part($root, $o->{prefix}, 'readonly') };
$r = "/*ERROR*" if $@;
}
$found = -d "$r/etc/sysconfig" && [ fs::read_fstab("$r/etc/fstab") ];
unless ($root->{realMntpoint}) {
log::l("umounting partition $root->{device}");
eval { fs::umount_part($root, $o->{prefix}) };
}
last if !is_empty_array_ref($found);
delete $root->{mntpoint};
$o->ask_warn(_("Information"),
_("%s: This is not a root partition, please select another one.", $root->{device})) unless $::beginner;
}
is_empty_array_ref($found) and die _("No root partition found");
log::l("found root partition : $root->{device}");
#- test if the partition has to be fschecked and remounted rw.
if ($root->{realMntpoint}) {
($o->{prefix}, $root->{mntpoint}) = ($root->{realMntpoint}, '/');
} else {
delete $root->{mntpoint};
($Parts{$_->{device}} || {})->{mntpoint} = $_->{mntpoint} foreach @$found;
map { $_->{mntpoint} = 'swap_upgrade' } grep { isSwap($_) } @{$o->{fstab}}; #- use all available swap.
#- TODO fsck, create check_mount_all ?
fs::mount_all([ grep { isExt2($_) || isSwap($_) } @{$o->{fstab}} ], $o->{prefix});
}
}
sub write_ldsoconf {
my ($prefix) = @_;
my $file = "$prefix/etc/ld.so.conf";
#- write a minimal ld.so.conf file unless it already exists.
unless (-s "$file") {
local *F;
open F, ">$file" or die "unable to open for writing $file";
print F "/usr/lib\n";
}
}
sub setAuthentication() {
my ($shadow, $md5, $nis, $nis_server) = @{$::o->{authentication} || {}}{qw(shadow md5 NIS NIS_server)};
my $p = $::o->{prefix};
enableMD5Shadow($p, $shadow, $md5);
enableShadow() if $shadow;
if ($nis) {
pkg_install($::o, "ypbind");
my $domain = $::o->{netc}{NISDOMAIN};
$domain || $nis_server ne "broadcast" or die _("Can't use broadcast with no NIS domain");
my $t = $domain ? "domain $domain" . ($nis_server ne "broadcast" && " server")
: "ypserver";
substInFile {
$_ = "#~$_" unless /^#/;
$_ .= "$t $nis_server\n" if eof;
} "$p/etc/yp.conf";
network::write_conf("$p/etc/sysconfig/network", $::o->{netc});
}
}
sub enableShadow() {
my $p = $::o->{prefix};
run_program::rooted($p, "pwconv") or log::l("pwconv failed");
run_program::rooted($p, "grpconv") or log::l("grpconv failed");
#- my $chpasswd = sub {
#- my ($name, $password) = @_;
#- $password =~ s/"/\\"/;
#-
#- local *log::l = sub {}; #- disable the logging (otherwise password visible in the log)
#- run_program::rooted($p, qq((echo "$password" ; sleep 1 ; echo "$password") | passwd $name));
#-#- run_program::rooted($p, "echo $name:$password | chpasswd");
#- };
#- &$chpasswd("root", $::o->{superuser}{password});
#- &$chpasswd($_->{name}, $_->{password}) foreach @{$::o->{users} || []};
}
sub enableMD5Shadow($$$) {
my ($prefix, $shadow, $md5) = @_;
substInFile {
if (/^password.*pam_pwdb.so/) {
s/\s*shadow//; s/\s*md5//;
s/$/ shadow/ if $shadow;
s/$/ md5/ if $md5;
}
} grep { -r $_ } map { "$prefix/etc/pam.d/$_" } qw(login rlogin passwd);
}
sub crypt($) {
my ($password) = @_;
$::o->{authentication}{md5} ?
c::crypt_md5($password, salt(8)) :
crypt ($password, salt(2));
}
sub lnx4win_postinstall {
my ($prefix) = @_;
my $dir = "/dos/lnx4win";
my $kernel = "$dir/vmlinuz";
rename $kernel, "$kernel.old";
commands::dd("if=$prefix/boot/vmlinuz", "of=$kernel");
run_program::run("rdev", $kernel, "/dev/loop7");
unlink "$dir/size.txt";
unlink "$dir/swapsize.txt";
mkdir "$prefix/initrd", 0755;
symlinkf "/initrd/dos", "$prefix/mnt/dos";
}
sub killCardServices {
my $pid = chop_(cat_("/tmp/cardmgr.pid"));
$pid and kill(15, $pid); #- send SIGTERM
}
sub hdInstallPath() {
cat_("/proc/mounts") =~ m|/tmp/(\S+)\s+/tmp/hdimage| or return;
my ($part) = grep { $_->{device} eq $1 } @{$::o->{fstab}};
$part->{mntpoint} or grep { $_->{mntpoint} eq "/mnt/hd" } @{$::o->{fstab}} and return;
$part->{mntpoint} ||= "/mnt/hd";
$part->{mntpoint} . first(readlink("/tmp/rhimage") =~ m|^/tmp/hdimage/(.*)|);
}
sub unlockCdrom() {
cat_("/proc/mounts") =~ m|/tmp/(\S+)\s+/tmp/rhimage| or return;
eval { ioctl detect_devices::tryOpen($1), c::CDROM_LOCKDOOR(), 0 };
}
sub ejectCdrom() {
cat_("/proc/mounts") =~ m|/tmp/(\S+)\s+/tmp/rhimage| or return;
my $f = eval { detect_devices::tryOpen($1) } or return;
getFile("XXX"); #- close still opened filehandle
eval { fs::umount("/tmp/rhimage") };
ioctl $f, c::CDROMEJECT(), 1;
}
sub setupFB {
my ($o, $vga) = @_;
#- install needed packages for frame buffer.
require pkgs;
pkgs::select($o->{packages}, $o->{packages}{'kernel-fb'});
pkgs::select($o->{packages}, $o->{packages}{'XFree86-FBDev'});
$o->installPackages($o->{packages});
$vga ||= 785; #- assume at least 640x480x16.
require lilo;
#- update lilo entries with a new fb label. a bit hack unless
#- a frame buffer kernel is used, in such case we use it instead
#- with the right mode, nothing more to do.
foreach (qw(secure smp)) {
if ($o->{bootloader}{entries}{"/boot/vmlinuz-$_"}) {
$o->{bootloader}{entries}{"/boot/vmlinuz-$_"}{vga} = $vga;
lilo::install($o->{prefix}, $o->{bootloader});
return 1;
}
}
my $root = $o->{bootloader}{entries}{'/boot/vmlinuz'}{root};
if (lilo::add_kernel($o->{prefix}, $o->{bootloader}, kernelVersion(), 'fb',
{
label => 'linux-fb',
root => $root,
vga => $vga,
})) {
$o->{bootloader}{default} = 'linux-fb';
lilo::install($o->{prefix}, $o->{bootloader});
} else {
log::l("unable to install kernel with frame buffer support, disabling");
return 0;
}
1;
}
sub auto_inst_file() { ($::g_auto_install ? "/tmp" : "$::o->{prefix}/root") . "/auto_inst.cfg.pl" }
sub g_auto_install(;$) {
my ($f) = @_; $f ||= auto_inst_file;
my $o = {};
$o->{default_packages} = [ map { $_->{name} } grep { $_->{selected} && !$_->{base} } values %{$::o->{packages}} ];
my @fields = qw(mntpoint type size);
$o->{partitions} = [ map { my %l; @l{@fields} = @$_{@fields}; \%l } grep { $_->{mntpoint} } @{$::o->{fstab}} ];
exists $::o->{$_} and $o->{$_} = $::o->{$_} foreach qw(lang autoSCSI authentication printer mouse netc timezone superuser intf keyboard mkbootdisk base users installClass partitioning isUpgrade manualFstab nomouseprobe crypto modem useSupermount); #- TODO modules bootloader
if (my $card = $::o->{X}{card}) {
$o->{X}{card}{$_} = $card->{$_} foreach qw(default_depth);
if ($card->{default_depth} and my $depth = $card->{depth}{$card->{default_depth}}) {
$depth ||= [];
$o->{X}{card}{resolution_wanted} ||= join "x", @{$depth->[0]} unless is_empty_array_ref($depth->[0]);
}
}
#- local $o->{partitioning}{clearall} = 1;
$_ = { %{$_ || {}} }, delete @$_{qw(oldu oldg password password2)} foreach $o->{superuser}, @{$o->{users} || []};
local *F;
open F, ">$f" or log::l("can't output the auto_install script in $f"), return;
print F Data::Dumper->Dump([$o], ['$o']), "\0";
}
sub loadO {
my ($O, $f) = @_; $f ||= auto_inst_file;
my $o;
if ($f =~ /^(floppy|patch)$/) {
my $f = $f eq "floppy" ? "auto_inst.cfg" : "patch";
unless ($::testing) {
fs::mount(devices::make("fd0"), "/mnt", "vfat", 0);
$f = "/mnt/$f";
}
-e $f or $f .= ".pl";
my $b = before_leaving {
fs::umount("/mnt") unless $::testing;
modules::unload($_) foreach qw(vfat fat);
};
$o = loadO($O, $f);
} else {
-e $f or $f .= ".pl";
{
local *F;
open F, $f or die _("Error reading file $f");
local $/ = "\0";
no strict;
eval <F>;
}
$@ and log::l _("Bad kickstart file %s (failed %s)", $f, $@);
add2hash_($o ||= {}, $O);
}
bless $o, ref $O;
}
sub pkg_install {
my ($o, $name) = @_;
require pkgs;
pkgs::select($o->{packages}, $o->{packages}{$name} || die "$name rpm not found");
install_steps::installPackages ($o, $o->{packages});
}
sub fsck_option() {
my $y = $::o->{security} < 3 && $::beginner ? "-y " : "";
substInFile { s/^(\s*fsckoptions="?)(-y )?/$1$y/ } "$::o->{prefix}/etc/rc.d/rc.sysinit";
}
sub install_urpmi {
my ($prefix, $method) = @_;
(my $name = _("installation")) =~ s/\s/_/g; #- in case translators are too good :-/
my $f = "$prefix/var/lib/urpmi/hdlist.$name";
{
my $fd = getFile("hdlist") or return;
local *OUT;
open OUT, ">$f" or log::l("failed to write $f"), return;
local $/ = \ (16 * 1024);
print OUT foreach <$fd>;
}
{
local *F = getFile("depslist");
output("$prefix/var/lib/urpmi/depslist", <F>);
}
{
local *LIST;
open LIST, ">$prefix/var/lib/urpmi/list.$name" or log::l("failed to write list.$name"), return;
my $dir = ${{ nfs => "file://mnt/nfs",
hd => "file:/" . hdInstallPath,
ftp => $ENV{URLPREFIX},
http => $ENV{URLPREFIX},
cdrom => "removable_cdrom_1://mnt/cdrom" }}{$method};
local *FILES; open FILES, "hdlist2files $f|";
chop, print LIST "$dir/Mandrake/RPMS/$_\n" foreach <FILES>;
close FILES or log::l("hdlist2files failed"), return;
run_program::run("gzip", "-9", $f);
$dir .= "/Mandrake/RPMS with ../base/hdlist" if $method =~ /ftp|http/;
eval { output "$prefix/etc/urpmi/urpmi.cfg", "$name $dir\n" };
}
}
sub list_passwd() {
my ($e, @l);
setpwent();
while (@{$e = [ getpwent() ]}) { push @l, $e }
endpwent();
@l;
}
sub list_home() {
map { $_->[7] } grep { $_->[2] >= 500 } list_passwd();
}
sub template2userfile($$$$%) {
my ($prefix, $inputfile, $outputrelfile, $force, %toreplace) = @_;
foreach ("/etc/skel", "/root", list_home()) {
my $outputfile = "$prefix/$_/$outputrelfile";
if (-d dirname($outputfile) && ($force || ! -e $outputfile)) {
log::l("generating $outputfile from template $inputfile");
template2file($inputfile, $outputfile, %toreplace);
}
}
}
sub update_userkderc($$$) {
my ($prefix, $cat, $subst) = @_;
foreach ("/etc/skel", "/root", list_home()) {
my ($inputfile, $outputfile) = ("$prefix$_/.kderc", "$prefix$_/.kderc.new");
my %tosubst = (%$subst);
local *INFILE; local *OUTFILE;
open INFILE, $inputfile or return;
open OUTFILE, ">$outputfile" or return;
print OUTFILE map {
if (my $i = /^\s*\[$cat\]/i ... /^\s*\[/) {
if (/^\s*(\w*)=/ && $tosubst{lc($1)}) {
delete $tosubst{lc($1)};
} else {
($i > 1 && /^\s*\[/ && join '', values %tosubst). $_;
}
} else {
$_;
}
} <INFILE>;
print OUTFILE "[$cat]\n", values %tosubst if values %tosubst; #- if categorie has not been found above.
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