package bootloader; # $Id$ use diagnostics; use strict; use vars qw(%vga_modes); #-###################################################################################### #- misc imports #-###################################################################################### use common; use partition_table qw(:types); use log; use any; use fsedit; use devices; use loopback; use detect_devices; use partition_table::raw; use run_program; use modules; #-##################################################################################### #- Functions #-##################################################################################### my $vmlinuz_regexp = 'vmlinuz'; my $decompose_vmlinuz_name = qr/((?:$vmlinuz_regexp).*)-(\d+\.\d+.*)/; sub expand_vmlinuz_symlink { my ($vmlinuz) = @_; my $f = $::prefix . ($vmlinuz =~ m!^/! ? $vmlinuz : "/boot/$vmlinuz"); -l $f ? readlink($f) : $vmlinuz; } sub installed_vmlinuz_raw() { grep { /^($vmlinuz_regexp)/ } all("$::prefix/boot") } sub installed_vmlinuz() { grep { ! -l "$::prefix/boot/$_" } installed_vmlinuz_raw() } sub vmlinuz2version { my ($vmlinuz) = @_; expand_vmlinuz_symlink($vmlinuz) =~ /$decompose_vmlinuz_name/ && $2; } sub vmlinuz2basename { my ($vmlinuz) = @_; expand_vmlinuz_symlink($vmlinuz) =~ /$decompose_vmlinuz_name/ && $1; } sub basename2initrd_basename { my ($basename) = @_; $basename =~ s!vmlinuz-?!!; #- here we don't use $vmlinuz_regexp since we explictly want to keep all that is not "vmlinuz" 'initrd' . ($basename ? "-$basename" : ''); } sub kernel_str2vmlinuz_long { my ($kernel) = @_; $kernel->{basename} . '-' . $kernel->{version}; } sub kernel_str2initrd_long { my ($kernel) = @_; basename2initrd_basename($kernel->{basename}) . '-' . $kernel->{version} . '.img'; } sub kernel_str2vmlinuz_short { my ($kernel) = @_; if ($kernel->{use_long_name}) { kernel_str2vmlinuz_long($kernel); } else { my $ext = $kernel->{ext} ? "-$kernel->{ext}" : ''; $kernel->{basename} . $ext; } } sub kernel_str2initrd_short { my ($kernel) = @_; if ($kernel->{use_long_name}) { kernel_str2initrd_long($kernel); } else { my $ext = $kernel->{ext} ? "-$kernel->{ext}" : ''; basename2initrd_basename($kernel->{basename}) . $ext . '.img'; } } sub vmlinuz2kernel_str { my ($vmlinuz) = @_; my ($basename, $version) = expand_vmlinuz_symlink($vmlinuz) =~ /$decompose_vmlinuz_name/ or return; { basename => $basename, version => $version, $version =~ /(.*mdk)-?(.*)/ ? (ext => $2, version_no_ext => $1) : (version_no_ext => $version), }; } sub kernel_str2label { my ($kernel) = @_; $kernel->{use_long_name} ? sanitize_ver("linux-$kernel->{version}") : $kernel->{ext} ? "linux$kernel->{ext}" : 'linux'; } sub get { my ($vmlinuz, $bootloader) = @_; $_->{kernel_or_dev} && $_->{kernel_or_dev} eq $vmlinuz and return $_ foreach @{$bootloader->{entries}}; undef; } sub get_label { my ($label, $bootloader) = @_; $_->{label} && lc(make_label_lilo_compatible($_->{label})) eq lc(make_label_lilo_compatible($label)) and return $_ foreach @{$bootloader->{entries}}; undef; } sub mkinitrd { my ($kernel_version, $initrd, $o_vga) = @_; $::testing || -e "$::prefix/$initrd" and return 1; my $loop_boot = loopback::prepare_boot(); my $o_resolution = $o_vga && do { require Xconfig::resolution_and_depth; my $res = Xconfig::resolution_and_depth::from_bios($o_vga); $res && $res->{X}; }; modules::load('loop'); if (!run_program::rooted($::prefix, "mkinitrd", "-v", "-f", $initrd, "--ifneeded", $kernel_version, if_($o_resolution, '--splash' => $o_resolution))) { unlink("$::prefix/$initrd"); die "mkinitrd failed"; } loopback::save_boot($loop_boot); -e "$::prefix/$initrd"; } sub read { my ($fstab) = @_; my @methods = method_choices_raw(); foreach my $main_method (uniq(map { main_method($_) } @methods)) { my $f = $bootloader::{"read_$main_method"} or die "unknown bootloader method $main_method (read)"; my $bootloader = $f->($fstab); my $type = partition_table::raw::typeOfMBR($bootloader->{boot}); if ($type eq $main_method) { return $bootloader; } } } sub read_grub { my ($fstab) = @_; my $global = 1; my ($e, %b); my $grub2dev = read_grub_device_map(); my $menu_lst_file = "$::prefix/boot/grub/menu.lst"; -e $menu_lst_file or return; foreach (cat_($menu_lst_file)) { chomp; s/^\s*//; s/\s*$//; next if /^#/ || /^$/; my ($keyword, $v) = split(' ', $_, 2) or warn qq(unknown line in /boot/grub/menu.lst: "$_"\n), next; if ($keyword eq 'title') { push @{$b{entries}}, $e = { label => $v }; $global = 0; } elsif ($global) { $b{$keyword} = $v eq '' ? 1 : grub2file($v, $grub2dev, $fstab); } else { if ($keyword eq 'kernel') { $e->{type} = 'image'; (my $kernel, $e->{append}) = split(' ', $v, 2); $e->{root} = $1 if $e->{append} =~ s/root=(\S*)\s*//; $e->{kernel_or_dev} = grub2file($kernel, $grub2dev, $fstab); } elsif ($keyword eq 'root') { $e->{type} = 'other'; if ($v =~ /,/) { $e->{table} = grub2dev($v, $grub2dev, 1); } else { $e->{unsafe} = 1; } $e->{kernel_or_dev} = grub2dev($v, $grub2dev); $e->{append} = ""; } elsif ($keyword eq 'initrd') { $e->{initrd} = grub2file($v, $grub2dev, $fstab); } } } foreach (cat_("$::prefix/boot/grub/install.sh")) { $b{boot} = grub2dev($1, $grub2dev) if /\s+d\s+(\(.*?\))/; } #- sanitize foreach (@{$b{entries}}) { my ($vga, $other) = partition { /^vga=/ } split(' ', $_->{append}); if (@$vga) { $_->{vga} = $vga->[0] =~ /vga=(.*)/ && $1; $_->{append} = join(' ', @$other); } } $b{nowarn} = 1; # handle broken installkernel -r: $b{default} = min($b{default}, scalar(@{$b{entries}}) - 1); $b{default} = $b{entries}[$b{default}]{label}; $b{method} = 'grub'; \%b; } sub read_yaboot() { &read_lilo } sub read_lilo() { my $file = sprintf("$::prefix/etc/%s.conf", arch() =~ /ppc/ ? 'yaboot' : 'lilo'); my $global = 1; my ($e, $v); my %b; -e $file or return; foreach (cat_($file)) { next if /^\s*#/ || /^\s*$/; ($_, $v) = /^\s*([^=\s]+)\s*(?:=\s*(.*?))?\s*$/ or log::l("unknown line in $file: $_"), next; if (/^(image|other)$/) { if (arch() =~ /ppc/) { $v =~ s/hd:\d+,//g; } push @{$b{entries}}, $e = { type => $_, kernel_or_dev => $v }; $global = 0; } elsif ($global) { if ($_ eq 'disk' && $v =~ /(\S+)\s+bios\s*=\s*(\S+)/) { $b{bios}{$1} = $2; } elsif ($_ eq 'bios') { $b{bios}{$b{disk}} = $v; } elsif ($_ eq 'init-message') { $v =~ s/\\n//g; $v =~ s/"//g; $b{'init-message'} = $v; } else { $b{$_} = $v eq '' ? 1 : $v; } } else { if ((/map-drive/ .. /to/) && /to/) { $e->{mapdrive}{$e->{'map-drive'}} = $v; } else { if (arch() =~ /ppc/) { $v =~ s/hd:\d+,//g; $v =~ s/"//g; } $e->{$_} = $v || 1 if !member($_, 'read-only'); } } } if (arch() !~ /ppc/) { delete $b{timeout} unless $b{prompt}; sub remove_quotes_and_spaces { local ($_) = @_; s/^\s*//; s/\s*$//; s/^"(.*?)"$/$1/; $_; } $_->{append} = remove_quotes_and_spaces($_->{append}) foreach \%b, @{$b{entries}}; $_->{label} = remove_quotes_and_spaces($_->{label}) foreach @{$b{entries}}; $b{default} = remove_quotes_and_spaces($b{default}) if $b{default}; $b{timeout} = $b{timeout} / 10 if $b{timeout}; $b{method} = 'lilo-' . (member($b{install}, 'text', 'menu', 'graphic') ? $b{install} : 'graphic'); delete $b{message}; } if (my $default = find { $_ && $_->{append} } get_label($b{default}, \%b), @{$b{entries}}) { $b{perImageAppend} ||= $default->{append}; } #- cleanup duplicate labels & bad entries (in case file is corrupted) my %seen; @{$b{entries}} = grep { !$seen{$_->{label}}++ } grep { $_->{type} ne 'image' || -e "$::prefix$_->{kernel_or_dev}" } @{$b{entries}}; \%b; } sub suggest_onmbr { my ($hd) = @_; my ($onmbr, $unsafe) = (1, 1); if (my $type = partition_table::raw::typeOfMBR($hd->{device})) { if (member($type, qw(dos dummy empty))) { $unsafe = 0; } elsif (!member($type, qw(lilo grub))) { $onmbr = 0; } log::l("bootloader::suggest_onmbr: type $type, onmbr $onmbr, unsafe $unsafe"); } ($onmbr, $unsafe); } sub same_entries { my ($a, $b) = @_; foreach (uniq(keys %$a, keys %$b)) { if ($_ eq 'label') { next; } elsif ($_ eq 'append') { next if join(' ', sort split(' ', $a->{$_})) eq join(' ', sort split(' ', $b->{$_})) } else { next if $a->{$_} eq $b->{$_}; my ($inode_a, $inode_b) = map { (stat "$::prefix$_")[1] } ($a->{$_}, $b->{$_}); next if $inode_a && $inode_b && $inode_a == $inode_b; } log::l("entries $a->{label} don't have same $_: $a->{$_} ne $b->{$_}"); return; } 1; } sub add_entry { my ($bootloader, $v) = @_; my $to_add = $v; foreach my $label ($v->{label}, map { 'old' . $_ . '_' . $v->{label} } ('', 2..10)) { my $conflicting = get_label($label, $bootloader); $to_add->{label} = $label; if ($conflicting) { #- replacing $conflicting with $to_add @{$bootloader->{entries}} = map { $_ == $conflicting ? $to_add : $_ } @{$bootloader->{entries}}; } else { #- we have found an unused label push @{$bootloader->{entries}}, $to_add; } if (!$conflicting || same_entries($conflicting, $to_add)) { log::l("current labels: " . join(" ", map { $_->{label} } @{$bootloader->{entries}})); return $v; } $to_add = $conflicting; } die 'add_entry'; } sub add_kernel { my ($bootloader, $kernel_str, $nolink, $v) = @_; #- new versions of yaboot don't handle symlinks $nolink ||= arch() =~ /ppc/; $nolink ||= $kernel_str->{use_long_name}; my $vmlinuz_long = kernel_str2vmlinuz_long($kernel_str); my $image = "/boot/$vmlinuz_long"; -e "$::prefix$image" or log::l("unable to find kernel image $::prefix$image"), return; if (!$nolink) { $image = '/boot/' . kernel_str2vmlinuz_short($kernel_str); symlinkf($vmlinuz_long, "$::prefix$image") or cp_af("$::prefix/boot/$vmlinuz_long", "$::prefix$image"); } log::l("adding $image"); my $initrd_long = kernel_str2initrd_long($kernel_str); my $initrd = "/boot/$initrd_long"; mkinitrd($kernel_str->{version}, $initrd, $v->{vga}) or undef $initrd; if ($initrd && !$nolink) { $initrd = '/boot/' . kernel_str2initrd_short($kernel_str); symlinkf($initrd_long, "$::prefix$initrd") or cp_af("$::prefix/boot/$initrd_long", "$::prefix$initrd"); } my $label = kernel_str2label($kernel_str); add2hash($v, { type => 'image', label => $label, kernel_or_dev => $image, initrd => $initrd, }); $v->{append} = normalize_append("$bootloader->{perImageAppend} $v->{append}"); add_entry($bootloader, $v); } sub duplicate_kernel_entry { my ($bootloader, $new_label) = @_; get_label($new_label, $bootloader) and return; my $entry = { %{ get_label('linux', $bootloader) }, label => $new_label }; add_entry($bootloader, $entry); } sub unpack_append { my ($s) = @_; my @l = split(' ', $s); [ grep { !/=/ } @l ], [ map { if_(/(.*?)=(.*)/, [$1, $2]) } @l ]; } sub pack_append { my ($simple, $dict) = @_; #- normalize $simple = [ reverse(uniq(reverse @$simple)) ]; $dict = [ reverse(uniq_ { my ($k, $v) = @$_; $k eq 'mem' ? "$k=$v" : $k } reverse @$dict) ]; join(' ', @$simple, map { "$_->[0]=$_->[1]" } @$dict); } sub normalize_append { my ($s) = @_; my ($simple, $dict) = unpack_append($s); pack_append($simple, $dict); } sub append__mem_is_memsize { $_[0] =~ /^\d+[kM]?$/i } sub get_append { my ($b, $key) = @_; my ($simple, $dict) = unpack_append($b->{perImageAppend}); if (member($key, @$simple)) { return 1; } my @l = map { $_->[1] } grep { $_->[0] eq $key } @$dict; #- suppose we want the memsize @l = grep { append__mem_is_memsize($_) } @l if $key eq 'mem'; log::l("more than one $key in $b->{perImageAppend}") if @l > 1; $l[0]; } sub modify_append { my ($b, $f) = @_; foreach (\$b->{perImageAppend}, map { \$_->{append} } grep { $_->{type} eq 'image' } @{$b->{entries}}) { my ($simple, $dict) = unpack_append($$_); $f->($simple, $dict); $$_ = pack_append($simple, $dict); log::l("modify_append: $$_"); } } sub remove_append_simple { my ($b, $key) = @_; modify_append($b, sub { my ($simple, $_dict) = @_; @$simple = grep { $_ ne $key } @$simple; }); } sub set_append { my $has_val = @_ > 2; my ($b, $key, $val) = @_; modify_append($b, sub { my ($simple, $dict) = @_; if ($has_val) { @$dict = grep { $_->[0] ne $key || $key eq 'mem' && append__mem_is_memsize($_->[1]) != append__mem_is_memsize($val) } @$dict; push @$dict, [ $key, $val ] if !($val eq '' || $key eq 'mem' && !$val); } else { @$simple = grep { $_ ne $key } @$simple; push @$simple, $key; } }); } sub may_append { my ($b, $key, $val) = @_; set_append($b, $key, $val) if !get_append($b, $key); } sub configure_entry { my ($entry) = @_; $entry->{type} eq 'image' or return; if (my $kernel_str = vmlinuz2kernel_str($entry->{kernel_or_dev})) { $entry->{initrd} ||= '/boot/' . kernel_str2initrd_short($kernel_str); mkinitrd($kernel_str->{version}, $entry->{initrd}, $entry->{vga}) or undef $entry->{initrd}; } } sub dev2prompath { #- SPARC only my ($dev) = @_; my ($wd, $num) = $dev =~ /^(.*\D)(\d*)$/; require c; $dev = c::disk2PromPath($wd) and $dev = $dev =~ /^sd\(/ ? "$dev$num" : "$dev;$num"; $dev; } sub get_kernels_and_labels { my ($b_prefer_24) = @_; my @kernels = installed_vmlinuz(); require pkgs; my @kernels_str = sort { c::rpmvercmp($b->{version_no_ext}, $a->{version_no_ext}) } grep { -d "$::prefix/lib/modules/$_->{version}" } map { vmlinuz2kernel_str($_) } @kernels; if ($b_prefer_24) { my ($kernel_24, $other) = partition { $_->{ext} eq '' && $_->{version} =~ /^\Q2.4/ } @kernels_str; @kernels_str = (@$kernel_24, @$other); } $kernels_str[0]{ext} = ''; my %labels; foreach (@kernels_str) { if ($labels{$_->{ext}}) { $_->{use_long_name} = 1; } else { $labels{$_->{ext}} = 1; } } @kernels_str; } # sanitize_ver: long function when it could be shorter but we are sure # to catch everything and can be readable if we want to # add new scheme name. # DUPLICATED from /usr/share/loader/common.pm sub sanitize_ver { my ($string) = @_; my ($main_version, undef, $extraversion, $rest) = $string =~ m!(\d+\.\d+\.\d+)(-((?:pre|rc)\d+))?(.*)!; if (my ($mdkver, $cpu, $nproc, $mem) = $rest =~ m|-(.+)-(.+)-(.+)-(.+)|) { $rest = "$cpu$nproc$mem-$mdkver"; } my $return = "$main_version$extraversion$rest"; $return =~ s|\.||g; $return =~ s|mdk||; $return =~ s|64GB|64G|; $return =~ s|4GB|4G|; $return =~ s|secure|sec|; $return =~ s|enterprise|ent|; $return; } sub suggest { my ($bootloader, $hds, %options) = @_; my $fstab = [ fsedit::get_fstab(@$hds) ]; my $root_part = fsedit::get_root($fstab); my $root = '/dev/' . (isLoopback($root_part) ? 'loop7' : $root_part->{device}); my $boot = fsedit::get_root($fstab, 'boot')->{device}; #- PPC xfs module requires enlarged initrd my $xfsroot = isThisFs("xfs", $root_part); my ($onmbr, $unsafe) = $bootloader->{crushMbr} ? (1, 0) : suggest_onmbr($hds->[0]); add2hash_($bootloader, arch() =~ /ppc/ ? { defaultos => "linux", entries => [], 'init-message' => "Welcome to Mandrakelinux!", delay => 30, #- OpenFirmware delay timeout => 50, enableofboot => 1, enablecdboot => 1, useboot => $boot, xfsroot => $xfsroot, } : { bootUnsafe => $unsafe, entries => [], timeout => $onmbr && 10, nowarn => 1, if_(arch() !~ /ia64/, boot => "/dev/" . ($onmbr ? $hds->[0]{device} : fsedit::get_root($fstab, 'boot')->{device}), map => "/boot/map", color => 'black/cyan yellow/cyan', ), }); if (!$bootloader->{message} || $bootloader->{message} eq "1") { my $msg_en = #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) N_("Welcome to the operating system chooser! Choose an operating system from the list above or wait for default boot. "); my $msg = translate($msg_en); #- use the english version if more than 20% of 8bits chars $msg = $msg_en if int(grep { $_ & 0x80 } unpack "c*", $msg) / length($msg) > 0.2; $bootloader->{message} = $msg; } add2hash_($bootloader, { memsize => $1 }) if cat_("/proc/cmdline") =~ /\bmem=(\d+[KkMm]?)(?:\s.*)?$/; if (my ($s, $port, $speed) = cat_("/proc/cmdline") =~ /console=(ttyS(\d),(\d+)\S*)/) { log::l("serial console $s $port $speed"); set_append($bootloader, 'console' => $s); any::set_login_serial_console($port, $speed); } #- add a restore entry if installation is done from disk, in order to allow redoing it. if (my $hd_install_path = any::hdInstallPath()) { my ($cmdline, $vga); if ($::restore && -e "/tmp/image/boot/vmlinuz" && -e "/tmp/image/boot/all.rdz" && ($cmdline = cat_("/tmp/image/boot/grub/menu.lst") =~ m|kernel \S+/boot/vmlinuz (.*)$|m)) { #- cmdline should'n have any reference to vga=... $cmdline =~ s/vga=(\S+)//g and $vga = $1; log::l("copying kernel and stage1 install to $::prefix/boot/restore"); eval { mkdir "$::prefix/boot/restore"; cp_af("/tmp/image/boot/vmlinuz", "$::prefix/boot/restore/vmlinuz"); cp_af("/tmp/image/boot/all.rdz", "$::prefix/boot/restore/all.rdz") }; unless ($@) { log::l("adding a restore bootloader entry on $hd_install_path (remapped to $::prefix/boot/restore)"); add_entry($bootloader, { type => 'image', label => 'restore', kernel_or_dev => "/boot/restore/vmlinuz", initrd => "/boot/restore/all.rdz", append => "$cmdline recovery", #- the restore entry is a recovery entry if_($vga, vga => $vga), }); } } else { log::l("no restore bootloader need to be used on $hd_install_path"); } } my @kernels = get_kernels_and_labels() or die "no kernel installed"; foreach my $kernel (@kernels) { add_kernel($bootloader, $kernel, 0, { root => $root, if_($options{vga_fb} && $kernel->{ext} eq '', vga => $options{vga_fb}), #- using framebuffer if_($options{vga_fb} && $options{quiet}, append => "splash=silent"), }); if ($options{vga_fb} && $kernel->{ext} eq '') { add_kernel($bootloader, $kernel, 0, { root => $root, label => 'linux-nonfb' }); } } #- remove existing libsafe, don't care if the previous one was modified by the user? @{$bootloader->{entries}} = grep { $_->{label} ne 'failsafe' } @{$bootloader->{entries}}; add_kernel($bootloader, $kernels[0], 0, { root => $root, label => 'failsafe', append => 'devfs=nomount failsafe' }); if (arch() =~ /ppc/) { #- if we identified a MacOS partition earlier - add it if (defined $partition_table::mac::macos_part) { add_entry($bootloader, { label => "macos", kernel_or_dev => $partition_table::mac::macos_part }); } } elsif (arch() !~ /ia64/) { #- search for dos (or windows) boot partition. Don't look in extended partitions! my @windows_boot_parts = grep { isFat_or_NTFS($_) && isFat_or_NTFS({ type => fsedit::typeOfPart($_->{device}) }) } map { @{$_->{primary}{normal}} } @$hds; each_index { add_entry($bootloader, { type => 'other', kernel_or_dev => "/dev/$_->{device}", label => 'windows' . ($::i || ''), table => "/dev/$_->{rootDevice}" }); } @windows_boot_parts; } my @preferred = map { "linux-$_" } 'p3-smp-64GB', 'secure', 'enterprise', 'smp', 'i686-up-4GB'; if (my $preferred = find { get_label($_, $bootloader) } @preferred) { $bootloader->{default} ||= $preferred; } $bootloader->{default} ||= "linux"; $bootloader->{method} ||= first(method_choices($fstab)); } sub detect_main_method { my ($fstab) = @_; my $bootloader = &read($fstab); $bootloader && main_method($bootloader->{method}); } sub main_method { my ($method) = @_; $method =~ /(\w+)/ && $1; } sub method2text { my ($method) = @_; +{ 'lilo-graphic' => N("LILO with graphical menu"), 'lilo-menu' => N("LILO with text menu"), 'grub' => N("Grub"), 'yaboot' => N("Yaboot"), }->{$method}; } sub method_choices_raw() { arch() =~ /ppc/ ? 'yaboot' : ( if_(whereis_binary('lilo'), 'lilo-graphic', 'lilo-menu'), if_(whereis_binary('grub'), 'grub'), ); } sub method_choices { my ($fstab) = @_; grep { !(/lilo/ && isLoopback(fsedit::get_root($fstab))) && !(/lilo-graphic/ && detect_devices::matching_desc('ProSavageDDR')) && !(/grub/ && isRAID(fsedit::get_root($fstab))); } method_choices_raw(); } sub suggest_floppy { my ($bootloader) = @_; my $floppy = detect_devices::floppy() or return; $floppy eq 'fd0' or log::l("suggest_floppy: not adding $floppy"), return; add_entry($bootloader, { type => 'other', kernel_or_dev => '/dev/fd0', label => 'floppy', unsafe => 1 }); } sub keytable { my ($f) = @_; $f or return; if ($f !~ /\.klt$/) { my $file = "/boot/$f.klt"; run_program::rooted($::prefix, "keytab-lilo.pl", ">", $file, $f) or return; $f = $file; } -r "$::prefix/$f" && $f; } sub has_profiles { my ($b) = @_; to_bool(get_label("office", $b)) } sub set_profiles { my ($b, $want_profiles) = @_; my $office = get_label("office", $b); if ($want_profiles xor $office) { my $e = get_label("linux", $b); if ($want_profiles) { push @{$b->{entries}}, { %$e, label => "office", append => "$e->{append} prof=Office" }; $e->{append} .= " prof=Home"; } else { # remove profiles $e->{append} =~ s/\s*prof=\w+//; @{$b->{entries}} = grep { $_ != $office } @{$b->{entries}}; } } } sub get_of_dev { my ($unix_dev) = @_; my $of_dev; run_program::rooted_or_die($::prefix, "/usr/sbin/ofpath", ">", \$of_dev, $unix_dev); chomp($of_dev); log::l("OF Device: $of_dev"); $of_dev; } sub check_enough_space() { my $e = "$::prefix/boot/.enough_space"; output $e, 1; -s $e or die N("not enough room in /boot"); unlink $e; } sub install_yaboot { my ($bootloader, $_hds) = @_; $bootloader->{prompt} = $bootloader->{timeout}; if ($bootloader->{message}) { eval { output("$::prefix/boot/message", $bootloader->{message}) } or $bootloader->{message} = 0; } { my @conf; push @conf, "#yaboot.conf - generated by DrakX"; push @conf, qq(init-message="\\n$bootloader->{'init-message'}\\n") if $bootloader->{'init-message'}; if ($bootloader->{boot}) { push @conf, "boot=$bootloader->{boot}"; push @conf, "ofboot=", get_of_dev($bootloader->{boot}) } else { die "no bootstrap partition defined." } push @conf, map { "$_=$bootloader->{$_}" } grep { $bootloader->{$_} } qw(delay timeout defaultos default); push @conf, "install=/usr/lib/yaboot/yaboot"; push @conf, "magicboot=/usr/lib/yaboot/ofboot"; push @conf, grep { $bootloader->{$_} } qw(enablecdboot enableofboot); #- push @conf, "nonvram"; my $boot = "/dev/" . $bootloader->{useboot} if $bootloader->{useboot}; foreach (@{$bootloader->{entries}}) { if ($_->{type} eq "image") { my $of_dev = ''; if ($boot !~ /$_->{root}/ && $boot) { $of_dev = get_of_dev($boot); push @conf, "$_->{type}=$of_dev," . substr($_->{kernel_or_dev}, 5); } else { $of_dev = get_of_dev($_->{root}); push @conf, "$_->{type}=$of_dev,$_->{kernel_or_dev}"; } push @conf, "\tlabel=", make_label_lilo_compatible($_->{label}); push @conf, "\troot=$_->{root}"; if ($boot !~ /$_->{root}/ && $boot) { push @conf, "\tinitrd=$of_dev," . substr($_->{initrd}, 5) if $_->{initrd}; } else { push @conf, "\tinitrd=$of_dev,$_->{initrd}" if $_->{initrd}; } #- xfs module on PPC requires larger initrd - say 6MB? push @conf, "\tinitrd-size=6144" if $bootloader->{xfsroot}; push @conf, qq(\tappend=" $_->{append}") if $_->{append}; push @conf, "\tread-write" if $_->{'read-write'}; push @conf, "\tread-only" if !$_->{'read-write'}; } else { my $of_dev = get_of_dev($_->{kernel_or_dev}); push @conf, "$_->{label}=$of_dev"; } } my $f = "$::prefix/etc/yaboot.conf"; log::l("writing yaboot config to $f"); output($f, map { "$_\n" } @conf); } log::l("Installing boot loader..."); my $f = "$::prefix/tmp/of_boot_dev"; my $of_dev = get_of_dev($bootloader->{boot}); output($f, "$of_dev\n"); $::testing and return; if (defined $install_steps_interactive::new_bootstrap) { run_program::run("hformat", $bootloader->{boot}) or die "hformat failed"; } my $error; run_program::rooted($::prefix, "/usr/sbin/ybin", "2>", \$error) or die "ybin failed: $error"; } sub make_label_lilo_compatible { my ($label) = @_; $label = substr($label, 0, 31); #- lilo doesn't handle more than 31 char long labels $label =~ s/ /_/g; #- lilo does not support blank character in image names, labels or aliases qq("$label"); } sub write_lilo_conf { my ($bootloader, $hds) = @_; $bootloader->{prompt} = $bootloader->{timeout}; my $file2fullname = sub { my ($file) = @_; if (arch() =~ /ia64/) { my $fstab = [ fsedit::get_fstab(@$hds) ]; (my $part, $file) = fsedit::file2part($fstab, $file); my %hds = map_index { $_ => "hd$::i" } map { $_->{device} } sort { isFat($b) <=> isFat($a) || $a->{device} cmp $b->{device} } @$fstab; $hds{$part->{device}} . ":" . $file; } else { $file } }; my @sorted_hds = sort_hds_according_to_bios($bootloader, $hds); if (is_empty_hash_ref($bootloader->{bios} ||= {}) && $hds->[0] != $sorted_hds[0]) { log::l("Since we're booting on $sorted_hds[0]{device}, make it bios=0x80"); $bootloader->{bios} = { "/dev/$sorted_hds[0]{device}" => '0x80' }; } my @conf; #- normalize: RESTRICTED is only valid if PASSWORD is set delete $bootloader->{restricted} if !$bootloader->{password}; if (every { $_->{label} ne $bootloader->{default} } @{$bootloader->{entries}}) { log::l("default bootloader entry $bootloader->{default} is invalid, choose another one"); $bootloader->{default} = $bootloader->{entries}[0]{label}; } push @conf, "# File generated by DrakX/drakboot"; push @conf, "# WARNING: do not forget to run lilo after modifying this file\n"; push @conf, "default=" . make_label_lilo_compatible($bootloader->{default}) if $bootloader->{default}; push @conf, map { "$_=$bootloader->{$_}" } grep { $bootloader->{$_} } qw(boot map install vga keytable); push @conf, grep { $bootloader->{$_} } qw(linear geometric compact prompt nowarn restricted); push @conf, qq(append="$bootloader->{append}") if $bootloader->{append}; push @conf, "password=" . $bootloader->{password} if $bootloader->{password}; #- also done by msec push @conf, "timeout=" . round(10 * $bootloader->{timeout}) if $bootloader->{timeout}; push @conf, "serial=" . $1 if get_append($bootloader, 'console') =~ /ttyS(.*)/; push @conf, "message=/boot/message" if arch() !~ /ia64/; push @conf, "menu-scheme=wb:bw:wb:bw" if arch() !~ /ia64/; push @conf, "ignore-table" if any { $_->{unsafe} && $_->{table} } @{$bootloader->{entries}}; push @conf, map_each { "disk=$::a bios=$::b" } %{$bootloader->{bios}}; foreach (@{$bootloader->{entries}}) { push @conf, "$_->{type}=" . $file2fullname->($_->{kernel_or_dev}); push @conf, "\tlabel=" . make_label_lilo_compatible($_->{label}); if ($_->{type} eq "image") { push @conf, "\troot=$_->{root}" if $_->{root}; push @conf, "\tinitrd=" . $file2fullname->($_->{initrd}) if $_->{initrd}; push @conf, qq(\tappend="$_->{append}") if $_->{append}; push @conf, "\tvga=$_->{vga}" if $_->{vga}; push @conf, "\tread-write" if $_->{'read-write'}; push @conf, "\tread-only" if !$_->{'read-write'}; } else { push @conf, "\ttable=$_->{table}" if $_->{table}; push @conf, "\tunsafe" if $_->{unsafe} && !$_->{table}; if ($_->{table}) { my $hd = fs::device2part($_->{table}, $hds); if ($hd != $sorted_hds[0]) { #- boot off the nth drive, so reverse the BIOS maps my $nb = sprintf("0x%x", 0x80 + (find_index { $hd == $_ } @sorted_hds)); $_->{mapdrive} ||= { '0x80' => $nb, $nb => '0x80' }; } } while (my ($from, $to) = each %{$_->{mapdrive} || {}}) { push @conf, "\tmap-drive=$from"; push @conf, "\t to=$to"; } } } my $f = arch() =~ /ia64/ ? "$::prefix/boot/efi/elilo.conf" : "$::prefix/etc/lilo.conf"; log::l("writing lilo config to $f"); output_with_perm($f, $bootloader->{password} ? 0600 : 0644, map { "$_\n" } @conf); } sub install_lilo { my ($bootloader, $hds, $method) = @_; if (my ($install) = $method =~ /lilo-(text|menu)/) { $bootloader->{install} = $install; } else { delete $bootloader->{install}; } output("$::prefix/boot/message-text", $bootloader->{message}) if $bootloader->{message}; symlinkf "message-" . ($method ne 'lilo-graphic' ? 'text' : 'graphic'), "$::prefix/boot/message"; write_lilo_conf($bootloader, $hds); if (!$::testing && arch() !~ /ia64/ && $bootloader->{method} =~ /lilo/) { log::l("Installing boot loader on $bootloader->{boot}..."); my $error; run_program::rooted($::prefix, "lilo", "2>", \$error) or die "lilo failed: $error"; } } #- NB: ide is lower than scsi, this is important for sort_hds_according_to_bios() sub hd2bios_kind { my ($hd) = @_; lc(join('_', $hd->{bus}, $hd->{host})); } sub mixed_kind_of_disks { my ($hds) = @_; (uniq_ { hd2bios_kind($_) } @$hds) > 1; } sub sort_hds_according_to_bios { my ($bootloader, $hds) = @_; my $boot_hd = fs::device2part($bootloader->{first_hd_device} || $bootloader->{boot}, $hds) or die "sort_hds_according_to_bios: unknown hd"; #- if not on mbr my $boot_kind = hd2bios_kind($boot_hd); my $translate = sub { my ($hd) = @_; my $kind = hd2bios_kind($hd); ($hd == $boot_hd ? 0 : $kind eq $boot_kind ? 1 : 2) . "_$kind"; }; sort { $translate->($a) cmp $translate->($b) } @$hds; } sub device_string2grub { my ($dev, $legacy_floppies, $sorted_hds) = @_; if (my $device = fs::device2part($dev, [ @$sorted_hds, fsedit::get_fstab(@$sorted_hds) ])) { device2grub($device, $sorted_hds); } elsif (my $floppy = fs::device2part($dev, @$legacy_floppies)) { my $bios = find_index { $floppy eq $_ } @$legacy_floppies; "(fd$bios)"; } else { internal_error("unknown device $dev"); } } sub device2grub { my ($device, $sorted_hds) = @_; my ($hd, $part_nb) = $device->{rootDevice} ? (fs::device2part($device->{rootDevice}, $sorted_hds), $device->{device} =~ /(\d+)$/) : $device; my $bios = find_index { $hd eq $_ } @$sorted_hds; my $part_string = defined $part_nb ? ',' . ($part_nb - 1) : ''; "(hd$bios$part_string)"; } sub read_grub_device_map() { my %grub2dev = map { m!\((.*)\) /dev/(.*)$! } cat_("$::prefix/boot/grub/device.map"); \%grub2dev; } sub write_grub_device_map { my ($legacy_floppies, $sorted_hds) = @_; output("$::prefix/boot/grub/device.map", (map_index { "(fd$::i) /dev/$_->{device}\n" } @$legacy_floppies), (map_index { "(hd$::i) /dev/$_->{device}\n" } @$sorted_hds)); } sub grub2dev_and_file { my ($grub_file, $grub2dev, $o_block_device) = @_; my ($grub_dev, $rel_file) = $grub_file =~ m!\((.*?)\)/?(.*)! or return; my ($hd, $part) = split(',', $grub_dev); $part = $o_block_device ? '' : defined $part && $part + 1; #- grub wants "(hdX,Y)" where lilo just want "hdY+1" my $device = '/dev/' . $grub2dev->{$hd} . $part; $device, $rel_file; } sub grub2dev { my ($grub_file, $grub2dev, $o_block_device) = @_; first(grub2dev_and_file($grub_file, $grub2dev, $o_block_device)); } # replace dummy "(hdX,Y)" in "(hdX,Y)/boot/vmlinuz..." by appropriate path if needed sub grub2file { my ($grub_file, $grub2dev, $fstab) = @_; if (my ($device, $rel_file) = grub2dev_and_file($grub_file, $grub2dev)) { my $part = fs::device2part($device, $fstab) or log::l("ERROR: unknown device $device (computed from $grub_file)"); my $mntpoint = $part->{mntpoint} || ''; ($mntpoint eq '/' ? '' : $mntpoint) . '/' . $rel_file; } else { $grub_file; } } sub write_grub_config { my ($bootloader, $hds) = @_; my $fstab = [ fsedit::get_fstab(@$hds) ]; my @legacy_floppies = detect_devices::floppies(); my @sorted_hds = sort_hds_according_to_bios($bootloader, $hds); write_grub_device_map(\@legacy_floppies, \@sorted_hds); my $file2grub = sub { my ($part, $file) = fsedit::file2part($fstab, $_[0], 'keep_simple_symlinks'); device2grub($part, \@sorted_hds) . $file; }; { my @conf; push @conf, map { "$_ $bootloader->{$_}" } grep { $bootloader->{$_} } qw(timeout color); push @conf, "serial --unit=$1 --speed=$2\nterminal --timeout=" . ($bootloader->{timeout} || 0) . " console serial" if get_append($bootloader, 'console') =~ /ttyS(\d),(\d+)/; eval { push @conf, "default " . (find_index { $_->{label} eq $bootloader->{default} } @{$bootloader->{entries}}); }; foreach (@{$bootloader->{entries}}) { push @conf, "\ntitle $_->{label}"; if ($_->{type} eq "image") { my $vga = $_->{vga} || $bootloader->{vga}; push @conf, sprintf "kernel %s root=%s %s%s%s", $file2grub->($_->{kernel_or_dev}), $_->{root} =~ /loop7/ ? "707" : $_->{root}, #- special to workaround bug in kernel (see #ifdef CONFIG_BLK_DEV_LOOP) $_->{append}, $_->{'read-write'} && " rw", $vga && $vga ne "normal" && " vga=$vga"; push @conf, "initrd " . $file2grub->($_->{initrd}) if $_->{initrd}; } else { push @conf, "root " . device_string2grub($_->{kernel_or_dev}, \@legacy_floppies, \@sorted_hds); if ($_->{table}) { if (my $hd = fs::device2part($_->{table}, \@sorted_hds)) { if (my $bios = find_index { $hd eq $_ } @sorted_hds) { #- boot off the nth drive, so reverse the BIOS maps my $nb = sprintf("0x%x", 0x80 + $bios); $_->{mapdrive} ||= { '0x80' => $nb, $nb => '0x80' }; } } } if ($_->{mapdrive}) { push @conf, map_each { "map ($::b) ($::a)" } %{$_->{mapdrive}}; push @conf, "makeactive"; } push @conf, "chainloader +1"; } } my $f = "$::prefix/boot/grub/menu.lst"; log::l("writing grub config to $f"); output("/tmp$f", map { "$_\n" } @conf); } my $dev = device_string2grub($bootloader->{boot}, \@legacy_floppies, \@sorted_hds); my ($stage1, $stage2, $menu_lst) = map { $file2grub->("/boot/grub/$_") } qw(stage1 stage2 menu.lst); output "$::prefix/boot/grub/install.sh", "grub --device-map=/boot/grub/device.map --batch <", \$error) or die "grub failed: $error"; unlink "/boot"; } } sub install { my ($bootloader, $hds) = @_; if (my $ppart = device2part($bootloader->{boot}, [ fsedit::get_fstab(@$hds) ]) { die N("You can't install the bootloader on a %s partition\n", partition_table::type2fs($part)) if isThisFs('xfs', $part); } $bootloader->{keytable} = keytable($bootloader->{keytable}); my $main_method = main_method($bootloader->{method}); my $f = $bootloader::{"install_$main_method"} or die "unknown bootloader method $bootloader->{method} (install)"; $f->($bootloader, $hds, $bootloader->{method}); } sub update_for_renumbered_partitions { my ($in, $renumbering, $hds) = @_; my %files = ( lilo => '/etc/lilo.conf', grub => '/boot/grub/menu.lst', grub_install => '/boot/grub/install.sh', ); my %configs = map { my $file = "$::prefix/$files{$_}"; if (-e $file) { my $f = cat_($file); $_ => { orig => $f, new => $f, file => $files{$_} }; } else { () } } keys %files; my @sorted_hds; { my $grub2dev = read_grub_device_map(); map_each { $sorted_hds[$1] = fs::device2part($::b, $hds) if $::a =~ /hd(\d+)/; } %$grub2dev; }; foreach (@$renumbering) { my ($old, $new) = @$_; log::l("renaming $old -> $new"); $_->{new} =~ s/\b$old/$new/g foreach values %configs; $configs{grub} or next; my ($old_grub, $new_grub) = map { device_string2grub($_, [], \@sorted_hds) } $old, $new; log::l("renaming $old_grub -> $new_grub"); $_->{new} =~ s/\Q$old_grub/$new_grub/g foreach values %configs; } any { $_->{orig} ne $_->{new} } values %configs or return 1; # no need to update $in->ask_okcancel('', N("Your bootloader configuration must be updated because partition has been renumbered")) or return; foreach (values %configs) { output("$::prefix/$_->{file}", $_->{new}) if $_->{new} ne $_->{orig}; } my $main_method = detect_main_method([ fsedit::get_fstab(@$hds) ]); my @needed = $main_method ? $main_method : ('lilo', 'grub'); if (find { my $config = $_ eq 'grub' ? 'grub_install' : $_; $configs{$config} && $configs{$config}{orig} ne $configs{$config}{new}; } @needed) { $in->ask_warn('', N("The bootloader can't be installed correctly. You have to boot rescue and choose \"%s\"", N("Re-install Boot Loader"))); } 1; } 1;