diff options
Diffstat (limited to 'perl-install/fs.pm')
-rw-r--r-- | perl-install/fs.pm | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/perl-install/fs.pm b/perl-install/fs.pm deleted file mode 100644 index 23ef5e380..000000000 --- a/perl-install/fs.pm +++ /dev/null @@ -1,273 +0,0 @@ -package fs; - -use diagnostics; -use strict; - -use common qw(:common :file :system); -use log; -use devices; -use partition_table qw(:types); -use run_program; -use nfs; -use swap; -use detect_devices; -use commands; -use modules; - -1; - - -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 => $l[2] } - } <F>; -} - -sub check_mounted($) { - 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->{currentMntpoint} = $1, $p->{isMounted} = $p->{isFormatted} = 1; - } - } -} - -sub get_mntpoints_from_fstab($) { - my ($fstab) = @_; - - foreach (read_fstab('/etc/fstab')) { - foreach my $p (@$fstab) { - $p->{device} eq $_->{device} or next; - $p->{mntpoint} ||= $_->{mntpoint}; - $p->{options} ||= $_->{options}; - $_->{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 $_->{type}"); - } - } -} - -sub format_ext2($;$) { - my ($dev, $bad_blocks) = @_; - my @options; - - $dev =~ m,(rd|ida)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only. - $bad_blocks and push @options, "-c"; - - run_program::run("mke2fs", devices::make($dev), @options) or die _("%s formatting of %s failed", "ext2", $dev); -} - -sub format_dos($;$@) { - my ($dev, $bad_blocks, @options) = @_; - - run_program::run("mkdosfs", devices::make($dev), @options, $bad_blocks ? "-c" : ()) or die _("%s formatting of %s failed", "dos", $dev); -} - -sub format_part($;$) { - my ($part, $bad_blocks) = @_; - - $part->{isFormatted} and return; - - log::l("formatting device $part->{device} (type ", type2name($part->{type}), ")"); - - if (isExt2($part)) { - format_ext2($part->{device}, $bad_blocks); - } elsif (isDos($part)) { - format_dos($part->{device}, $bad_blocks); - } elsif (isWin($part)) { - format_dos($part->{device}, $bad_blocks, '-F', 32); - } elsif (isSwap($part)) { - swap::make($part->{device}, $bad_blocks); - } else { - die _("don't know how to format %s in type %s", $_->{device}, type2name($_->{type})); - } - $part->{isFormatted} = 1; -} - -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'; - - my $flag = 0;#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... - } - - 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) = @_; - log::l("calling umount($mntpoint)"); - syscall_('umount', $mntpoint) or die _("error unmounting %s: %s", $mntpoint, "$!"); - - my @mtab = cat_('/etc/mtab'); #- don't care about error, if we can't read, we won't manage to write... (and mess mtab) - local *F; - open F, ">/etc/mtab" or return; - foreach (@mtab) { print F $_ unless /(^|\s)$mntpoint\s/; } -} - -sub mount_part($;$) { - my ($part, $prefix) = @_; - - $part->{isMounted} and return; - - if (isSwap($part)) { - swap::swapon($part->{device}); - } else { - $part->{mntpoint} or die "missing mount point"; - mount(devices::make($part->{device}), ($prefix || '') . $part->{mntpoint}, type2fs($part->{type}), - $part->{mntreadonly} ? 1 : 0); - } - $part->{isMounted} = $part->{isFormatted} = 1; #- assume that if mount works, partition is formatted -} - -sub umount_part($;$) { - my ($part, $prefix) = @_; - - $part->{isMounted} or return; - - isSwap($part) ? - swap::swapoff($part->{device}) : - umount(($prefix || '') . ($part->{mntpoint} || devices::make($part->{device}))); - $part->{isMounted} = 0; -} - -sub mount_all($;$) { - my ($fstab, $prefix) = @_; - - log::l("mounting all filesystems"); - - #- order mount by alphabetical ordre, that way / < /home < /home/httpd... - foreach (sort { ($a->{mntpoint} || '') cmp ($b->{mntpoint} || '') } @$fstab) { - mount_part($_, $prefix) if $_->{mntpoint}; - } -} - -sub umount_all($;$) { - my ($fstab, $prefix) = @_; - - log::l("unmounting all filesystems"); - - foreach (sort { $b->{mntpoint} cmp $a->{mntpoint} } @$fstab) { - $_->{mntpoint} and umount_part($_, $prefix); - } -} - -#- do some stuff before calling write_fstab -sub write($$) { - my ($prefix, $fstab) = @_; - my @cd_drives = detect_devices::cdroms(); - - log::l("scanning /proc/mounts for iso9660 filesystems"); - unshift @cd_drives, grep { $_->{type} eq 'iso9660' } read_fstab("/proc/mounts"); - log::l("found cdrom drive(s) " . join(', ', map { $_->{device} } @cd_drives)); - - #- cd-rom rooted installs have the cdrom mounted on /dev/root which - #- is not what we want to symlink to /dev/cdrom. - my $cddev = first(grep { $_ ne 'root' } map { $_->{device} } @cd_drives); - - log::l("resetting /etc/mtab"); - local *F; - open F, "> $prefix/etc/mtab" or die "error resetting $prefix/etc/mtab"; - - if ($cddev) { - mkdir "$prefix/mnt/cdrom", 0755 or log::l("failed to mkdir $prefix/mnt/cdrom: $!"); - symlink $cddev, "$prefix/dev/cdrom" or log::l("failed to symlink $prefix/dev/cdrom: $!"); - } - write_fstab($fstab, $prefix, $cddev); - - return if $::g_auto_install; - - devices::make "$prefix/dev/$_->{device}" foreach grep { $_->{device} && !isNfs($_) } @$fstab; -} - -sub write_fstab($;$$) { - my ($fstab, $prefix, $cddev) = @_; - $prefix ||= ''; - - my @to_add = - map { - my ($dir, $options, $freq, $passno) = qw(/dev/ defaults 0 0); - $options ||= $_->{options}; - - isExt2($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2); - isNfs($_) and ($dir, $options) = ('', 'ro'); - - [ "$dir$_->{device}", $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ]; - - } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab; - - { - push @to_add, [ split ' ', '/dev/fd0 /mnt/floppy auto sync,user,noauto,nosuid,nodev,unhide 0 0' ]; - push @to_add, [ split ' ', '/dev/cdrom /mnt/cdrom auto user,noauto,nosuid,exec,nodev,ro 0 0' ] if $cddev; - push @to_add, [ split ' ', 'none /proc proc defaults 0 0' ]; - push @to_add, [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ]; - } - - #- get the list of devices and mntpoint - my @new = grep { $_ ne 'none' } map { @$_[0,1] } @to_add; - my %new; @new{@new} = undef; - - my @current = cat_("$prefix/etc/fstab"); - - log::l("writing $prefix/etc/fstab"); - local *F; - open F, "> $prefix/etc/fstab" or die "error writing $prefix/etc/fstab"; - foreach (@current) { - my ($a, $b) = split; - #- if we find one line of fstab containing either the same device or mntpoint, do not write it - exists $new{$a} || exists $new{$b} and next; - print F $_; - } - print F join(" ", @$_), "\n" foreach @to_add; -} - -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}"); - } - } -} |