diff options
Diffstat (limited to 'perl-install/fs.pm')
| -rw-r--r-- | perl-install/fs.pm | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/perl-install/fs.pm b/perl-install/fs.pm deleted file mode 100644 index 9973c5780..000000000 --- a/perl-install/fs.pm +++ /dev/null @@ -1,480 +0,0 @@ -package fs; # $Id$ - -use diagnostics; -use strict; - -use MDK::Common::System; -use common; -use log; -use devices; -use partition_table qw(:types); -use run_program; -use swap; -use detect_devices; -use commands; -use modules; -use fsedit; -use loopback; - -1; - -sub add_options(\$@) { - my ($option, @options) = @_; - my %l; @l{split(',', $$option), @options} = (); delete $l{defaults}; - $$option = join(',', keys %l) || "defaults"; -} - -sub read_fstab($) { - my ($file) = @_; - - local *F; - open F, $file or return; - - map { - my ($dev, @l) = split; - $dev =~ s,/(tmp|dev)/,,; - { device => $dev, mntpoint => $l[0], type => $l[1], options => $l[2] } - } <F>; -} - -sub up_mount_point { - my ($mntpoint, $fstab) = @_; - while (1) { - $mntpoint = dirname($mntpoint); - $mntpoint ne "." or return; - $_->{mntpoint} eq $mntpoint and return $_ foreach @$fstab; - } -} - -sub check_mounted($) { - my ($fstab) = @_; - - local (*F, *G, *H); - open F, "/etc/mtab"; - open G, "/proc/mounts"; - open H, "/proc/swaps"; - foreach (<F>, <G>, <H>) { - foreach my $p (@$fstab) { - /$p->{device}\s+([^\s]*)\s+/ and $p->{mntpoint} = $1, $p->{isMounted} = $p->{isFormatted} = 1; - } - } -} - -sub get_mntpoints_from_fstab { - my ($fstab, $prefix, $uniq) = @_; - - log::l("reading fstab"); - foreach (read_fstab("$prefix/etc/fstab")) { - next if $uniq && fsedit::mntpoint2part($_->{mntpoint}, $fstab); - - foreach my $p (@$fstab) { - $p->{device} eq $_->{device} or next; - $_->{type} ne 'auto' && $_->{type} ne type2fs($p->{type}) and - log::l("err, fstab and partition table do not agree for $_->{device} type: " . (type2fs($p->{type}) || type2name($p->{type})) . " vs $_->{type}"), next; - delete $p->{unsafeMntpoint} || !$p->{mntpoint} or next; - $p->{mntpoint} = $_->{mntpoint}; - $p->{options} = $_->{options}; - } - } -} - -#- mke2fs -b (1024|2048|4096) -c -i(1024 > 262144) -N (1 > 100000000) -m (0-100%) -L volume-label -#- tune2fs -sub format_ext2($@) { - my ($dev, @options) = @_; - - $dev =~ m,(rd|ida|cciss)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only. - push @options, qw(-b 1024 -O none) if arch() =~ /alpha/; - - run_program::run("mke2fs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "ext2", $dev); -} - -sub format_ext3 { - my ($dev, @options) = @_; - format_ext2($dev, "-j", @options); -} - -sub format_reiserfs($@) { - my ($dev, @options) = @_; - - #TODO add -h tea - run_program::run("mkreiserfs", "-f", "-q", @options, devices::make($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 @options = $part->{toFormatCheck} ? "-c" : (); - log::l("formatting device $part->{device} (type ", type2name($part->{type}), ")"); - - if (isExt2($part)) { - push @options, "-F" if isLoopback($part); - format_ext2($part->{device}, @options); - } elsif (isThisFs("ext3", $part)) { - format_ext3($part->{device}, @options); - } elsif (isThisFs("reiserfs", $part)) { - format_reiserfs($part->{device}, @options, if_(c::kernel_version() =~ /^\Q2.2/, "-v", "1")); - } elsif (isThisFs("xfs", $part)) { - format_xfs($part->{device}, @options); - } elsif (isThisFs("jfs", $part)) { - format_jfs($part->{device}, @options); - } elsif (isDos($part)) { - format_dos($part->{device}, @options); - } elsif (isWin($part)) { - format_dos($part->{device}, @options, '-F', 32); - } elsif (isThisFs('hfs', $part)) { - format_hfs($part->{device}, @options, '-l', "Untitled"); - } elsif (isAppleBootstrap($part)) { - format_hfs($part->{device}, @options, '-l', "bootstrap"); - } elsif (isSwap($part)) { - my $check_blocks = grep { /^-c$/ } @options; - swap::make($part->{device}, $check_blocks); - } else { - die _("I don't know how to format %s in type %s", $_->{device}, type2name($_->{type})); - } - $part->{isFormatted} = 1; -} -sub format_part { - my ($raid, $part, $prefix) = @_; - if (isMDRAID($part)) { - require raid; - raid::format_part($raid, $part); - } elsif (isLoopback($part)) { - loopback::format_part($part, $prefix); - } else { - real_format_part($part); - } -} - -sub formatMount_part { - my ($part, $raid, $fstab, $prefix, $callback) = @_; - - if (isLoopback($part)) { - formatMount_part($part->{device}, $raid, $fstab, $prefix, $callback); - } - if (my $p = up_mount_point($part->{mntpoint}, $fstab)) { - formatMount_part($p, $raid, $fstab, $prefix, $callback) unless loopback::carryRootLoopback($part); - } - - if ($part->{toFormat}) { - $callback->($part) if $callback; - format_part($raid, $part, $prefix); - } - mount_part($part, $prefix); -} - -sub formatMount_all { - my ($raid, $fstab, $prefix, $callback) = @_; - formatMount_part($_, $raid, $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($$$;$) { - my ($dev, $where, $fs, $rdonly) = @_; - log::l("mounting $dev on $where as type $fs"); - - -d $where or commands::mkdir_('-p', $where); - - if ($fs eq 'nfs') { - log::l("calling nfs::mount($dev, $where)"); -# nfs::mount($dev, $where) or die _("nfs mount failed"); - } elsif ($fs eq 'smb') { - die "no smb yet..."; - } else { - $dev = devices::make($dev) if $fs ne 'proc' && $fs ne 'usbdevfs'; - - my $flag = c::MS_MGC_VAL(); - $flag |= c::MS_RDONLY() if $rdonly; - my $mount_opt = ""; - - if ($fs eq 'vfat') { - $mount_opt = 'check=relaxed'; - eval { modules::load('vfat') }; #- try using vfat - eval { modules::load('msdos') } if $@; #- otherwise msdos... - } elsif ($fs eq 'reiserfs') { - #- could be better if we knew if there is a /boot or not - #- without knowing it, / is forced to be mounted with notail - # if $where =~ m|/(boot)?$|; - $mount_opt = 'notail'; #- notail in any case - } elsif ($fs eq 'ext2') { - run_program::run("fsck.ext2", "-a", $dev); - $? & 0x0100 and log::l("fsck corrected partition $dev"); - $? & 0xfeff and die _("fsck failed with exit code %d or signal %d", $? >> 8, $? & 255); - } - if (member($fs, qw(hfs romfs ufs reiserfs xfs jfs ext3))) { - eval { modules::load($fs) }; - } - - $where =~ s|/$||; - log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)"); - syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die _("mount failed: ") . "$!"; - } - local *F; - open F, ">>/etc/mtab" or return; #- fail silently, must be read-only /etc - print F "$dev $where $fs defaults 0 0\n"; -} - -#- takes the mount point to umount (can also be the device) -sub umount($) { - my ($mntpoint) = @_; - $mntpoint =~ s|/$||; - log::l("calling umount($mntpoint)"); - syscall_('umount', $mntpoint) or die _("error unmounting %s: %s", $mntpoint, "$!"); - - substInFile { $_ = '' if /(^|\s)$mntpoint\s/ } '/etc/mtab'; #- don't care about error, if we can't read, we won't manage to write... (and mess mtab) -} - -sub mount_part($;$$) { - my ($part, $prefix, $rdonly) = @_; - - #- root carrier's link can't be mounted - loopback::carryRootCreateSymlink($part, $prefix); - - return if $part->{isMounted}; - - unless ($::testing) { - if (isSwap($part)) { - swap::swapon(isLoopback($part) ? $prefix . loopback::file($part) : $part->{device}); - } else { - $part->{mntpoint} or die "missing mount point"; - - my $dev = $part->{device}; - my $mntpoint = ($prefix || '') . $part->{mntpoint}; - if (isLoopback($part)) { - eval { modules::load('loop') }; - $dev = $part->{real_device} = devices::set_loop($prefix . loopback::file($part)) || die; - } elsif (loopback::carryRootLoopback($part)) { - $mntpoint = "/initrd/loopfs"; - } - mount(devices::make($dev), $mntpoint, type2fs($part->{type}), $rdonly); - rmdir "$mntpoint/lost+found"; - } - } - $part->{isMounted} = $part->{isFormatted} = 1; #- assume that if mount works, partition is formatted -} - -sub umount_part($;$) { - my ($part, $prefix) = @_; - - $part->{isMounted} or return; - - unless ($::testing) { - if (isSwap($part)) { - swap::swapoff($part->{device}); - } elsif (loopback::carryRootLoopback($part)) { - umount("/initrd/loopfs"); - } else { - umount(($prefix || '') . $part->{mntpoint} || devices::make($part->{device})); - c::del_loop(delete $part->{real_device}) if isLoopback($part); - } - } - $part->{isMounted} = 0; -} - -sub mount_all($;$$) { - my ($fstab, $prefix) = @_; - - #- TODO fsck, create check_mount_all ? - log::l("mounting all filesystems"); - - #- order mount by alphabetical ordre, 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); - } -} - -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->{type}), '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}; -} - -#- do some stuff before calling write_fstab -sub write { - my ($prefix, $fstab, $manualFstab, $useSupermount, $options) = @_; - $fstab = [ @{$fstab||[]}, @{$manualFstab||[]} ]; - - unless ($::live) { - log::l("resetting /etc/mtab"); - local *F; - open F, "> $prefix/etc/mtab" or die "error resetting $prefix/etc/mtab"; - } - - my $floppy = detect_devices::floppy(); - - my @to_add = ( - $useSupermount ? - [ split ' ', "/mnt/floppy /mnt/floppy supermount fs=vfat,dev=/dev/$floppy 0 0" ] : - [ split ' ', "/dev/$floppy /mnt/floppy auto sync,user,noauto,nosuid,nodev 0 0" ], - [ split ' ', 'none /proc proc defaults 0 0' ], - [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ], - (map_index { - my $i = $::i ? $::i + 1 : ''; - mkdir "$prefix/mnt/cdrom$i", 0755;#- or log::l("failed to mkdir $prefix/mnt/cdrom$i: $!"); - symlinkf $_->{device}, "$prefix/dev/cdrom$i" or log::l("failed to symlink $prefix/dev/cdrom$i: $!"); - chown 0, 22, "$prefix/dev/$_->{device}"; - $useSupermount ? - [ "/mnt/cdrom$i", "/mnt/cdrom$i", "supermount", "fs=iso9660,dev=/dev/cdrom$i", 0, 0 ] : - [ "/dev/cdrom$i", "/mnt/cdrom$i", "auto", "user,noauto,nosuid,exec,nodev,ro", 0, 0 ]; - } detect_devices::cdroms()), - (map_index { #- for zip drives, the right partition is the 4th by default. - my $i = $::i ? $::i + 1 : ''; - mkdir "$prefix/mnt/zip$i", 0755 or log::l("failed to mkdir $prefix/mnt/zip$i: $!"); - symlinkf "$_->{device}4", "$prefix/dev/zip$i" or log::l("failed to symlink $prefix/dev/zip$i: $!"); - $useSupermount ? - [ "/mnt/zip$i", "/mnt/zip$i", "supermount", "fs=vfat,dev=/dev/zip$i", 0, 0 ] : - [ "/dev/zip$i", "/mnt/zip$i", "auto", "user,noauto,nosuid,exec,nodev", 0, 0 ]; - } detect_devices::zips())); - write_fstab($fstab, $prefix, $options, @to_add); -} - -sub write_fstab($;$$@) { - my ($fstab, $prefix, $options, @to_add) = @_; - $prefix ||= ''; - - my $format_options = sub { - my ($default, @l) = @_; - join(',', $default, map { "$_=$options->{$_}" } grep { $options->{$_} } @l); - }; - - unshift @to_add, map { - my ($dir, $options, $freq, $passno) = qw(/dev/ defaults 0 0); - $options = $_->{options} || $options; - - isTrueFS($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2); - isNfs($_) and $dir = '', $options = $_->{options} || $format_options->('ro,nosuid,rsize=8192,wsize=8192', 'iocharset'); - isFat($_) and $options = $_->{options} || $format_options->("user,exec,umask=0", 'codepage', 'iocharset'); - - #isThisFs("reiserfs", $_) && $_ == fsedit::get_root($fstab, 'boot') and add_options($options, "notail"); - - my $dev = isLoopback($_) ? - ($_->{mntpoint} eq '/' ? "/initrd/loopfs$_->{loopback_file}" : loopback::file($_)) : - ($_->{device} =~ /^\// ? $_->{device} : "$dir$_->{device}"); - - local $_->{mntpoint} = do { - $passno = 0; - "/initrd/loopfs"; - } if loopback::carryRootLoopback($_); - - add_options($options, "loop") if isLoopback($_) && !isSwap($_); #- no need for loop option for swap files - - eval { devices::make("$prefix/$dev") } if $dir && !isLoopback($_); - mkdir "$prefix/$_->{mntpoint}", 0755 if $_->{mntpoint} && !isSwap($_); - - [ $dev, $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ]; - - } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab; - - push @to_add, map { [ split ] } cat_("$prefix/etc/fstab"); - - my %new; - @to_add = grep { - if (($_->[0] eq 'none' || !$new{$_->[0]}) && !$new{$_->[1]}) { - #- keep in mind the new line for fstab. - @new{$_->[0], $_->[1]} = (1, 1); - 1; - } else { - 0; - } - } @to_add; - - log::l("writing $prefix/etc/fstab"); - local *F; - open F, "> $prefix/etc/fstab" or die "error writing $prefix/etc/fstab"; - print F join(" ", @$_), "\n" foreach sort { $a->[1] cmp $b->[1] } @to_add; -} - -sub merge_fstabs { - my ($fstab, $manualFstab) = @_; - my %l; $l{$_->{device}} = $_ foreach @$manualFstab; - put_in_hash($_, $l{$_->{device}}) foreach @$fstab; -} - -#sub check_mount_all_fstab($;$) { -# my ($fstab, $prefix) = @_; -# $prefix ||= ''; -# -# foreach (sort { ($a->{mntpoint} || '') cmp ($b->{mntpoint} || '') } @$fstab) { -# #- avoid unwanted mount in fstab. -# next if ($_->{device} =~ /none/ || $_->{type} =~ /nfs|smbfs|ncpfs|proc/ || $_->{options} =~ /noauto|ro/); -# -# #- TODO fsck -# -# eval { mount(devices::make($_->{device}), $prefix . $_->{mntpoint}, $_->{type}, 0); }; -# if ($@) { -# log::l("unable to mount partition $_->{device} on $prefix/$_->{mntpoint}"); -# } -# } -#} |