#-######################################################################## #- This file implement many common shell commands: #- true, false, cat, which, dirname, basename, rmdir, lsmod, grep, tr, #- mount, umount, mkdir, mknod, ln, rm, chmod, chown, mkswap, swapon, #- swapoff, ls, cp, ps, dd, head, tail, strings, hexdump, more, insmod, #- modprobe, route, df, kill, lspci, lssbus, dmesg, sort, du, #-######################################################################## package commands; # $Id$ use diagnostics; use strict; use vars qw($printable_chars); #-###################################################################################### #- misc imports #-###################################################################################### use MDK::Common::System; use common; #-##################################################################################### #- Globals #-##################################################################################### my $BUFFER_SIZE = 1024; #-###################################################################################### #- Functions #-###################################################################################### sub getopts { my $o = shift; my @r = map { '' } (@_ = split //, $_[0]); while (1) { local $_ = $o->[0]; $_ && /^-/ or return @r; for (my $i = 0; $i < @_; $i++) { /$_[$i]/ and $r[$i] = $_[$i]; } shift @$o; } @r; } sub true { exit 0 } sub false { exit 1 } sub cat { @ARGV = @_; print while <> } sub which { ARG: foreach (@_) { foreach my $c (split /:/, $ENV{PATH}) { -x "$c/$_" and print("$c/$_\n"), next ARG; }}} sub dirname_ { print dirname(@_), "\n" } sub basename_ { print basename(@_), "\n" } sub rmdir_ { foreach (@_) { rmdir $_ or die "rmdir: can't remove $_\n" } } sub lsmod { print "Module Size Used by\n"; cat("/proc/modules"); } sub grep_ { my ($h, $v, $i) = getopts(\@_, qw(hvi)); @_ == 0 || $h and die "usage: grep [files...]\n"; my $r = shift; $r = qr/$r/i if $i; @ARGV = @_; (/$r/ ? $v || print : $v && print) while <>; } sub tr_ { my ($s, $c, $d) = getopts(\@_, qw(s c d)); @_ >= 1 + (!$d || $s) or die "usage: tr [-c] [-s [-d]] [files...]\n or tr [-c] -d [files...]\n"; my $set1 = shift; my $set2; !$d || $s and $set2 = shift; @ARGV = @_; eval "(tr/$set1/$set2/$s$d$c, print) while <>"; } sub mount { @_ or return cat("/proc/mounts"); my ($t, $r) = getopts(\@_, qw(tr)); my $fs = $t && shift; @_ == 2 or die "usage: mount [-r] [-t ] \n", " (use -r for readonly)\n", " (if /dev/ is left off the device name, a temporary node will be created)\n"; my ($dev, $where) = @_; $fs ||= $where =~ /:/ ? "nfs" : $dev =~ /fd/ ? "vfat" : "ext2"; require fs; require modules; modules::load_deps("/modules/modules.dep"); fs::mount($dev, $where, $fs, $r); } sub umount { @_ == 1 or die "umount expects a single argument\n"; require fs; fs::umount($_[0]); } sub mkdir_ { my ($rec) = getopts(\@_, qw(p)); mkdir_p($_) foreach @_; } sub mknod { if (@_ == 1) { require devices; eval { devices::make($_[0]) }; $@ and die "mknod: failed to create $_[0]\n"; } elsif (@_ == 4) { require c; my $mode = $ {{"b" => c::S_IFBLK(), "c" => c::S_IFCHR()}}{$_[1]} or die "unknown node type $_[1]\n"; syscall_('mknod', my $a = $_[0], $mode | 0600, makedev($_[2], $_[3])) or die "mknod failed: $!\n"; } else { die "usage: mknod [b|c] or mknod \n"; } } sub ln { my ($force, $soft) = getopts(\@_, qw(fs)); @_ >= 1 or die "usage: ln [-s] [-f] []\n"; my ($source, $dest) = @_; $dest ||= basename($source); $force and unlink $dest; ($soft ? symlink($source, $dest) : link($source, $dest)) or die "ln failed: $!\n"; } sub rm { my ($rec, undef) = getopts(\@_, qw(rf)); my $rm; $rm = sub { foreach (@_) { if (!-l $_ && -d $_) { $rec or die "$_ is a directory\n"; &$rm(glob_($_)); rmdir $_ or die "can't remove directory $_: $!\n"; } else { unlink $_ or die "rm of $_ failed: $!\n" } } }; &$rm(@_); } sub chmod_ { @_ >= 2 or die "usage: chmod \n"; my $mode = shift; $mode =~ /^[0-7]+$/ or die "illegal mode $mode\n"; foreach (@_) { chmod oct($mode), $_ or die "chmod failed $_: $!\n" } } sub chown_ { my ($rec, undef) = getopts(\@_, qw(r)); local $_ = shift or die "usage: chown [-r] name[.group] \n"; my ($name, $group) = (split('\.'), $_); my ($uid, $gid) = (getpwnam($name) || $name, getgrnam($group) || $group); my $chown; $chown = sub { foreach (@_) { chown $uid, $gid, $_ or die "chown of file $_ failed: $!\n"; -d $_ && $rec and &$chown(glob_($_)); } }; &$chown(@_); } sub mkswap { @_ == 1 or die "mkswap \n"; require swap; swap::enable($_[0], 0); } sub swapon { @_ == 1 or die "swapon \n"; require swap; swap::swapon($_[0]); } sub swapoff { @_ == 1 or die "swapoff \n"; require swap; swap::swapoff($_[0]); } sub uncpio { @_ and die "uncpio reads from stdin\n"; # cpioInstallArchive(gzdopen(0, "r"), NULL, 0, NULL, NULL, &fail); } sub rights { my $r = '-' x 9; my @rights = (qw(x w r x w r x w r), ['t', 0], ['s', 3], ['s', 6]); for (my $i = 0; $i < @rights; $i++) { if (vec(pack("S", $_[0]), $i, 1)) { my ($val, $place) = $i >= 9 ? @{$rights[$i]} : ($rights[$i], $i); my $old = \substr($r, 8 - $place, 1); $$old = ($$old eq '-' && $i >= 9) ? uc $val : $val; } } my @types = split //, "_pc_d_b_-_l_s"; $types[$_[0] >> 12 & 0xf] . $r; } sub displaySize { my $m = $_[0] >> 12; $m == 4 || $m == 8 || $m == 10; } sub ls { my ($l , $h) = getopts(\@_, qw(lh)); $h and die "usage: ls [-l] \n"; @_ or @_ = '.'; @_ == 1 && -d $_[0] and @_ = glob_($_[0]); foreach (sort @_) { if ($l) { my @s = lstat or warn("can't stat file $_\n"), next; formline( "@<<<<<<<<< @<<<<<<< @<<<<<<< @>>>>>>>> @>>>>>>>>>>>>>>> @*\n", rights($s[2]), getpwuid $s[4] || $s[4], getgrgid $s[5] || $s[5], displaySize($s[2]) ? $s[7] : join(", ", unmakedev($s[6])), scalar localtime $s[9], -l $_ ? "$_ -> " . readlink $_ : $_); print $^A; $^A = ''; } else { print "$_\n"; } } } sub cp { my ($force) = getopts(\@_, qw(f)); @_ >= 2 or die "usage: cp [-f] \n(this cp does -Rl by default)\n"; my $cp; $cp = sub { my $dest = pop @_; @_ or return; @_ == 1 || -d $dest or die "cp: copying multiple files, but last argument ($dest) is not a directory\n"; foreach my $src (@_) { my $dest = $dest; -d $dest and $dest .= "/" . basename($src); if (-e $dest) { $force ? unlink $dest : die "file $dest already exist\n"; } if (-d $src) { -d $dest or mkdir $dest, (stat($src))[2] or die "mkdir: can't create directory $dest: $!\n"; &$cp(glob_($src), $dest); } elsif (-l $src) { unless (symlink((readlink($src) || die "readlink failed: $!"), $dest)) { my $msg = "symlink: can't create symlink $dest: $!\n"; $force ? warn $msg : die $msg; } } else { local (*F, *G); open F, $src or die "can't open $src for reading: $!\n"; open G, "> $dest" or $force or die "can't create $dest : $!\n"; local $_; while () { print G $_ } chmod((stat($src))[2], $dest); } } }; &$cp(@_); } sub ps { @_ and die "usage: ps\n"; my ($pid, $rss, $cpu, $cmd); my ($uptime) = split ' ', first(cat_("/proc/uptime")); my $hertz = 100; require c; my $page = c::getpagesize() / 1024; open PS, ">&STDOUT"; format PS_TOP = PID RSS %CPU CMD . format PS = @>>>> @>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< $pid, $rss, $cpu, $cmd . foreach $pid (sort {$a <=> $b} grep { /\d+/ } all('/proc')) { my @l = split(' ', cat_("/proc/$pid/stat")); $cpu = sprintf "%2.1f", max(0, min(99, ($l[13] + $l[14]) * 100 / $hertz / ($uptime - $l[21] / $hertz))); $rss = (split ' ', cat_("/proc/$pid/stat"))[23] * $page; (($cmd) = cat_("/proc/$pid/cmdline")) =~ s/\0/ /g; $cmd ||= (split ' ', (cat_("/proc/$pid/stat"))[0])[1]; write PS; } } sub dd { my $u = "usage: dd [-h] [-p] [if=] [of=] [bs=] [count=]\n"; my ($help, $percent) = getopts(\@_, qw(hp)); die $u if $help; my %h = (if => *STDIN, of => *STDOUT, bs => 512, count => undef); foreach (@_) { /(.*?)=(.*)/ && exists $h{$1} or die $u; $h{$1} = $2; } local (*IF, *OF); my ($tmp, $nb, $read); ref $h{if} eq 'GLOB' ? *IF = $h{if} : sysopen(IF, $h{if}, 0 ) || die "error: can't open file $h{if}\n"; ref $h{of} eq 'GLOB' ? *OF = $h{of} : sysopen(OF, $h{of}, 0x41) || die "error: can't open file $h{of}\n"; $h{bs} = removeXiBSuffix($h{bs}); for ($nb = 0; !$h{count} || $nb < $h{count}; $nb++) { printf "\r%02.1d%%", 100 * $nb / $h{count} if $h{count} && $percent; $read = sysread(IF, $tmp, $h{bs}) or $h{count} ? die "error: can't read block $nb\n" : last; syswrite(OF, $tmp) or die "error: can't write block $nb\n"; $read < $h{bs} and $read = 1, last; } print STDERR "\r$nb+$read records in\n"; print STDERR "$nb+$read records out\n"; } sub head_tail { my ($h, $n) = getopts(\@_, qw(hn)); $h || @_ < to_bool($n) and die "usage: $0 [-h] [-n lines] []\n"; $n = $n ? shift : 10; local *F; @_ ? open(F, $_[0]) || die "error: can't open file $_[0]\n" : (*F = *STDIN); local $_; if ($0 eq 'head') { while () { $n-- or return; print } } else { @_ = (); while () { push @_, $_; @_ > $n and shift; } print @_; } } sub head { $0 = 'head'; &head_tail } sub tail { $0 = 'tail'; &head_tail } sub strings { my ($h, $o, $n) = getopts(\@_, qw(hon)); $h and die "usage: strings [-o] [-n min-length] []\n"; $n = $n ? shift : 4; $/ = "\0"; @ARGV = @_; my $l = 0; while (<>) { while (/[$printable_chars]{$n,}/og) { printf "%07d ", ($l + length $') if $o; print "$&\n" ; } $l += length; } continue { $l = 0 if eof } } sub hexdump { my $i = 0; $/ = \16; @ARGV = @_; while (<>) { printf "%08lX ", $i; $i += 16; print join(" ", (map { sprintf "%02X", $_ } unpack("C*", $_)), ($_ =~ s/[^$printable_chars]/./og, $_)[1]), "\n"; } } sub more { @ARGV = @_; require devices; my $tty = devices::make('tty'); local *IN; open IN, "<$tty" or die "can't open $tty\n"; my $n = 0; while (<>) { if (++$n == 25) { my $v = ; $v =~ /^q/ and exit 0; $n = 0; } print } } sub pack_ { my $t; foreach (@_) { if (-d $_) { pack_(glob_($_)); } else { print -s $_, "\n"; print $_, "\n"; local *F; open F, $_ or die "can't read file $_: $!\n"; while (read F, $t, $BUFFER_SIZE) { print $t; } } } } sub unpack_ { my $t; @_ == 1 or die "give me one and only one file to unpack\n"; local *F; open F, $_[0] or die "can't open file $_: $!\n"; while (1) { my $size = chomp_(scalar ); defined $size or last; $size =~ /^\d+$/ or die "bad format (can't find file size)\n"; my $filename = chomp_(scalar ) or die "expecting filename\n"; print "$filename\n"; my $dir = dirname($filename); -d $dir or mkdir_p($dir); local *G; open G, "> $filename" or die "can't write file $filename: $!\n"; while ($size) { $size -= read(F, $t, min($size, $BUFFER_SIZE)) || die "data for file $filename is missing\n"; print G $t or die "error writing to file $filename: $!\n"; } } } sub insmod { my ($h) = getopts(\@_, qw(h)); $h || @_ == 0 and die "usage: insmod [options]\n"; my $f = local $_ = shift; require run_program; #- try to install the module if it exist else extract it from archive. #- needed for cardmgr. unless (-r $f) { $_ = $1 if m@.*/([^/]*)\.o@; unless (-r ($f = "/lib/modules/$_.o")) { $f = "/tmp/$_.o"; my $cz = "/lib/modules" . (arch() eq 'sparc64' && "64") . ".cz"; -e $cz or $cz .= "2"; if (-e $cz) { eval { require packdrake; my $packer = new packdrake($cz, quiet => 1); $packer->extract_archive("/tmp", "$_.o"); }; } elsif (-e "/lib/modules.cpio.bz2") { run_program::run("cd /tmp ; $ENV{LD_LOADER} bzip2 -cd /lib/modules.cpio.bz2 | $ENV{LD_LOADER} cpio -i $_.o"); } else { die "unable to find an archive for modules"; } } } -r $f or die "can't find module $_"; run_program::run(["/usr/bin/insmod_", "insmod"], "-f", $f, @_) or die("insmod $_ failed"); unlink $f; } sub modprobe { my ($h) = getopts(\@_, qw(h)); $h || @_ == 0 and die "usage: modprobe [options]\n"; my $name = shift; require modules; modules::load_deps("/modules/modules.dep"); modules::load($name, '', @_); } sub route { @_ == 0 or die "usage: route\nsorry, no modification handled\n"; my ($titles, @l) = cat_("/proc/net/route"); my @titles = split ' ', $titles; my %l; open ROUTE, ">&STDOUT"; format ROUTE_TOP = Destination Gateway Mask Iface . format ROUTE = @<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<< $l{Destination}, $l{Gateway}, $l{Mask}, $l{Iface} . foreach (@l) { /^\s*$/ and next; @l{@titles} = split; $_ = join ".", reverse map { hex } unpack "a2a2a2a2", $_ foreach @l{qw(Destination Gateway Mask)}; $l{Destination} = 'default' if $l{Destination} eq "0.0.0.0"; $l{Gateway} = '*' if $l{Gateway} eq "0.0.0.0"; write ROUTE; } } sub df { my ($h) = getopts(\@_, qw(h)); my ($dev, $size, $free, $used, $use, $mntpoint); open DF, ">&STDOUT"; format DF_TOP = Filesystem Size Used Avail Use Mounted on . format DF = @<<<<<<<<<<<<<<<< @>>>>>>> @>>>>>>> @>>>>>>> @>>>>>% @<<<<<<<<<<<<<<<<<<<<<<<<< $dev, $size, $used, $free, $use, $mntpoint . my %h; foreach (cat_("/proc/mounts"), cat_("/etc/mtab")) { ($dev, $mntpoint) = split; $h{$dev} = $mntpoint; } foreach $dev (sort keys %h) { ($size, $free) = MDK::Common::System::df($mntpoint = $h{$dev}); $size or next; $use = int (100 * ($size - $free) / $size); $used = $size - $free; if ($h) { $used = int ($used / 1024) . "M"; $size = int ($size / 1024) . "M"; $free = int ($free / 1024) . "M"; } write DF if $size; } } sub kill { my $signal = 15; @_ or die "usage: kill [-] pids\n"; $signal = (shift, $1)[1] if $_[0] =~ /^-(.*)/; kill $signal, @_ or die "kill failed: $!\n"; } sub lspci { require detect_devices; print join "\n", detect_devices::stringlist(1), ''; } *lssbus = *lspci; sub dmesg { print cat_("/tmp/syslog"); } sub sort { my ($n, $h) = getopts(\@_, qw(nh)); $h and die "usage: sort [-n] []\n"; local *F; @_ ? open(F, $_[0]) || die "error: can't open file $_[0]\n" : (*F = *STDIN); if ($n) { print sort { $a <=> $b } ; } else { print sort ; } } sub du { my ($s, $h) = getopts(\@_, qw(sh)); $h || !$s and die "usage: du -s []\n"; my $f; $f = sub { my ($e) = @_; my $s = (lstat($e))[12]; $s += sum(map { &$f($_) } glob_("$e/*")) if !-l $e && -d $e; $s; }; print &$f($_) >> 1, "\t$_\n" foreach @_ ? @_ : glob_("*"); } sub install_cpio($$;@) { my ($dir, $name, @more) = @_; return "$dir/$name" if -e "$dir/$name"; my $cpio = "$dir.cpio.bz2"; -e $cpio or return; eval { rm("-r", $dir) }; mkdir $dir, 0755; require run_program; my $more = join " ", map { $_ && "$_ $_/*" } @more; run_program::run("cd $dir ; $ENV{LD_LOADER} bzip2 -cd $cpio | $ENV{LD_LOADER} cpio -id $name $name/* $more"); "$dir/$name"; } sub bug { my ($h) = getopts(\@_, "h"); $h and die "usage: bug\nput file report.bug on fat formatted floppy\n"; require detect_devices; mount devices::make(detect_devices::floppy()), "/fd0"; require install_any; output("/fd0/report.bug", install_any::report_bug("/mnt")); #- no other way :-( umount "/fd0"; common::sync(); } sub loadkeys { my ($h) = getopts(\@_, "h"); $h || @_ != 1 and die "usage: loadkeys \n"; require keyboard; keyboard::setup($_[0]); } sub sync { common::sync() } #-###################################################################################### #- Wonderful perl :( #-###################################################################################### 1; # n314'>314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793

package fsedit; # $Id$

use diagnostics;
use strict;
use vars qw(%suggestions);

#-######################################################################################
#- misc imports
#-######################################################################################
use common;
use partition_table qw(:types);
use partition_table::raw;
use detect_devices;
use fsedit;
use devices;
use loopback;
use log;
use fs;

%suggestions = (
  N_("simple") => [
    { mntpoint => "/",     size => 300 << 11, type =>0x483, ratio => 5, maxsize => 5500 << 11 },
    { mntpoint => "swap",  size =>  64 << 11, type => 0x82, ratio => 1, maxsize =>  250 << 11 },
    { mntpoint => "/home", size => 300 << 11, type =>0x483, ratio => 3 },
  ], N_("with /usr") => [
    { mntpoint => "/",     size => 150 << 11, type =>0x483, ratio => 1, maxsize => 1000 << 11 },
    { mntpoint => "swap",  size =>  64 << 11, type => 0x82, ratio => 1, maxsize =>  250 << 11 },
    { mntpoint => "/usr",  size => 300 << 11, type =>0x483, ratio => 4, maxsize => 4000 << 11 },
    { mntpoint => "/home", size => 100 << 11, type =>0x483, ratio => 3 },
  ], N_("server") => [
    { mntpoint => "/",     size => 150 << 11, type =>0x483, ratio => 1, maxsize =>  250 << 11 },
    { mntpoint => "swap",  size =>  64 << 11, type => 0x82, ratio => 2, maxsize =>  400 << 11 },
    { mntpoint => "/usr",  size => 300 << 11, type =>0x483, ratio => 4, maxsize => 4000 << 11 },
    { mntpoint => "/var",  size => 150 << 11, type =>0x483, ratio => 3 },
    { mntpoint => "/home", size => 150 << 11, type =>0x483, ratio => 3 },
    { mntpoint => "/tmp",  size => 150 << 11, type =>0x483, ratio => 2, maxsize =>  500 << 11 },
  ],
);
foreach (values %suggestions) {
    if (arch() =~ /ia64/) {
	@$_ = ({ mntpoint => "/boot/efi", size => 50 << 11, type => 0xb, ratio => 1, maxsize => 150 << 11 }, @$_);
    }
}

my @suggestions_mntpoints = (
    "/var/ftp", "/var/www", "/boot",
    arch() =~ /sparc/ ? "/mnt/sunos" : arch() =~ /ppc/ ? "/mnt/macos" : "/mnt/windows",
    #- RedHat also has /usr/local and /opt
);

my @partitions_signatures = (
    [ 0x8e, 0, "HM\1\0" ],
    [ 0x83, 0x438, "\x53\xEF" ],
    [ 0x183, 0x10034, "ReIsErFs" ],
    [ 0x183, 0x10034, "ReIsEr2Fs" ],
    [ 0x283, 0, 'XFSB', 0x200, 'XAGF', 0x400, 'XAGI' ],
    [ 0x383, 0x8000, 'JFS1' ],
    [ 0x82, 4086, "SWAP-SPACE" ],
    [ 0x82, 4086, "SWAPSPACE2" ],
    [ 0x7,  0x1FE, "\x55\xAA", 0x3, "NTFS" ],
    [ 0xc,  0x1FE, "\x55\xAA", 0x52, "FAT32" ],
if_(arch() !~ /^sparc/,
    [ 0x6,  0x1FE, "\x55\xAA", 0x36, "FAT" ],
),
);

sub typeOfPart { 
    my $dev = devices::make($_[0]);
    my $t = typeFromMagic($dev, @partitions_signatures);
    if ($t == 0x83) {
	#- there is no magic to differentiate ext3 and ext2. Using libext2fs
	#- to check if it has a journal
	$t = 0x483 if c::is_ext3($dev);
    }
    $t;
}

#-######################################################################################
#- Functions
#-######################################################################################
sub empty_all_hds {
    { hds => [], lvms => [], raids => [], loopbacks => [], raw_hds => [], nfss => [], smbs => [], davs => [], special => [] };
}
sub recompute_loopbacks {
    my ($all_hds) = @_;
    my @fstab = get_all_fstab($all_hds);
    @{$all_hds->{loopbacks}} = map { isPartOfLoopback($_) ? @{$_->{loopback}} : () } @fstab;
}

sub raids {
    my ($hds) = @_;

    my @parts = get_fstab(@$hds);
    {
	my @l = grep { isRawRAID($_) } @parts or return [];
	detect_devices::raidAutoStart(@l);
    }

    fs::get_major_minor(@parts);
    my %devname2part = map { $_->{dev} => { %$_, device => $_->{dev} } } read_proc_partitions_raw();

    my @raids;
    my @mdstat = cat_("/proc/mdstat");
    for (my $i = 0; $i < @mdstat; $i++) {

	my ($nb, $level, $mdparts) = 
	  #- line format is:
	  #- md%d : {in}?active{ (read-only)}? {linear|raid1|raid4|raid5}{ DEVNAME[%d]{(F)}?}*
	  $mdstat[$i] =~ /^md(\d+).* ([^ \[\]]+) (\S+\[\d+\].*)/ or next;

	$level =~ s/raid//; #- { linear | raid0 | raid1 | raid5 } -> { linear | 0 | 1 | 5 }

	my $chunks = $mdstat[$i+1] =~ /(\S+) chunks/ ? $1 : "64k";

	my @raw_mdparts = map { /([^\[]+)/ } split ' ', $mdparts;
	my @mdparts = 
	  map { 
	      my $mdpart = $devname2part{$_} || { device => $_ };
	      if (my $part = find { is_same_hd($mdpart, $_) } @parts) {
		  $part->{raid} = $nb;
		  delete $part->{mntpoint};
		  $part;
	      } else {
		  #- forget it when not found? that way it won't break much... beurk.
		  ();
	      }
	  } @raw_mdparts;

	my $type = typeOfPart("md$nb");
	log::l("RAID: found md$nb (raid $level) chunks $chunks ", if_($type, "type $type "), "with parts ", join(", ", @raw_mdparts));
	$raids[$nb] = { 'chunk-size' => $chunks, type => $type || 0x83, disks => \@mdparts,
			device => "md$nb", notFormatted => !$type, level => $level };
    }
    require raid;
    raid::update(@raids);
    \@raids;
}

sub lvms {
    my ($all_hds) = @_;
    my @pvs = grep { isRawLVM($_) } get_all_fstab($all_hds) or return;

    #- otherwise vgscan won't find them