diff options
| -rwxr-xr-x | rescue/lsparts | 129 |
1 files changed, 18 insertions, 111 deletions
diff --git a/rescue/lsparts b/rescue/lsparts index edbf2900e..1ae61cd20 100755 --- a/rescue/lsparts +++ b/rescue/lsparts @@ -13,124 +13,31 @@ # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # # -# This code is extracted from DrakX, the Mandriva Linux graphical installer. -# http://www.mandrivalinux.com/drakx/ -# Open development rulz, find CVS here: -# http://www.mandrivalinux.com/cgi-bin/cvsweb.cgi/gi/ -# # Detects partition types using signatures # -sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = <F>; wantarray ? @l : join '', @l } - -sub arch() { - my $t = `uname -m`; - chomp $t; - $t; -} - -# from Perl Cookbook / Pleac -# http://pleac.sourceforge.net/pleac_perl/numbers.html#AEN121 -sub commify { - my $text = reverse $_[0]; - $text =~ s/(\d\d\d)(?=\d)(?!\d*\.)/$1,/g; - return scalar reverse $text; -} - -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" ], -arch() !~ /^sparc/ ? ( - [ 0x6, 0x1FE, "\x55\xAA", 0x36, "FAT" ], -) : (), -); - -sub typeFromMagic { - my $f = shift; - local *F; sysopen F, $f, 0 or return; - - my $tmp; - M: foreach (@partitions_signatures) { - my ($name, @l) = @$_; - while (@l) { - my ($offset, $signature) = splice(@l, 0, 2); - sysseek(F, $offset, 0) or next M; - sysread(F, $tmp, length $signature); - $tmp eq $signature or next M; - } - return $name; - } - return -1; -} - -my %type2name = ( - 0x1 => 'DOS 12-bit FAT', - 0x4 => 'DOS 16-bit FAT (up to 32M)', - 0x5 => 'DOS 3.3+ Extended Partition', - 0x6 => 'DOS FAT16', - 0x7 => 'NTFS (or HPFS)', - 0xb => 'Win98 FAT32', - 0xc => 'Win98 FAT32, LBA-mapped', - 0xe => 'Win95: DOS 16-bit FAT, LBA-mapped', - 0xf => 'Win95: Extended partition, LBA-mapped', - 0x82 => 'Linux Swap', - 0x83 => 'Ext2', - 0x183 => 'ReiserFS', - 0x283 => 'XFS', - 0x383 => 'JFS', - 0x85 => 'Linux extended partition', - 0x87 => 'NTFS volume set', - 0x8e => 'Linux LVM', - -1 => 'unknown' - ); - +use lib qw(/usr/lib/libDrakX ../perl-install); +use common; +use devices; +use fs::type; my $params = join '', @ARGV; +my $verbose = $params =~ /-v/; $params =~ /-h/ and die "usage: lsparts [-v]\n"; -$params =~ /-v/ and $verbose = 1; -my (undef, undef, @parts) = cat_('/proc/partitions'); - -P: foreach (@parts) { - my (undef, undef, $blocks, $dev) = split or next; - my %skip_conditions = ( - "Skipping <$dev> because too little blocks ($blocks)" => ($blocks <= 1), - "Skipping <$dev> because doesn't end with a number (e.g. seems to not be a partition)" => ($dev !~ /\d$/), - ); - $skip_conditions{$_} and ($verbose and print(STDERR $_, "\n")), next P foreach keys %skip_conditions; - my $type = typeFromMagic("/dev/$dev"); - $type and printf "$dev: %6s Mbytes, type <0x%0x> (%s)\n", commify($blocks >> 10), $type, $type2name{$type}; +foreach (devices::read_proc_partitions_raw()) { + if (my $err = $_->{size} <= 1 ? + "Skipping <$_->{dev}> because too little blocks ($_->{size})" : + $_->{dev} !~ /\d$/ ? + "Skipping <$_->{dev}> because doesn't end with a number (e.g. seems to not be a partition)" : + '') { + print STDERR "$err\n" if $verbose; + } else { + $_->{device} = $_->{dev}; + if (my $type = fs::type::type_subpart_from_magic($_)) { + printf "$_->{dev}: %6s, fs %s (%s)\n", formatXiB($_->{size} * 512), $type->{fs_type}, fs::type::part2type_name($type); + } + } } - - -#------------------------------------------------- -#- $Log$ -#- Revision 1.5 2005/04/19 13:10:25 prigaux -#- mandriva switch -#- -#- Revision 1.4 2004/07/20 02:42:12 prigaux -#- MandrakeSoft -> Mandrakesoft -#- -#- Revision 1.3 2004/07/19 04:09:06 prigaux -#- replace "Mandrake Linux" with "Mandrakelinux" -#- -#- Revision 1.2 2002/01/10 21:28:15 gc -#- better looking output of type of partition (%x => %0x) -#- -#- Revision 1.1 2001/10/24 22:34:01 gc -#- - add a GUI to the rescue -#- - provide guessmounts with better efficiency and output, go to console, and reboot -#- - provide install_bootloader which runs lilo from /mnt if it seems safe -#- - add lsparts to rescue, which prints partitions with detected types -#- -# |