diff options
Diffstat (limited to 'perl-install/partition_table')
-rw-r--r-- | perl-install/partition_table/bsd.pm | 147 | ||||
-rw-r--r-- | perl-install/partition_table/dos.pm | 105 | ||||
-rw-r--r-- | perl-install/partition_table/empty.pm | 36 | ||||
-rw-r--r-- | perl-install/partition_table/gpt.pm | 266 | ||||
-rw-r--r-- | perl-install/partition_table/lvm_PV.pm | 43 | ||||
-rw-r--r-- | perl-install/partition_table/mac.pm | 395 | ||||
-rw-r--r-- | perl-install/partition_table/raw.pm | 194 | ||||
-rw-r--r-- | perl-install/partition_table/sun.pm | 201 |
8 files changed, 0 insertions, 1387 deletions
diff --git a/perl-install/partition_table/bsd.pm b/perl-install/partition_table/bsd.pm deleted file mode 100644 index 431d17f1f..000000000 --- a/perl-install/partition_table/bsd.pm +++ /dev/null @@ -1,147 +0,0 @@ -package partition_table::bsd; # $Id$ - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table; -use c; - -#- very bad and rough handling :( -my %typeToDos = ( - 8 => 0x83, - 1 => 0x82, -); -my %typeFromDos = reverse %typeToDos; - -my ($main_format, $main_fields) = list2kv( - I => 'magic', - S => 'type', - S => 'subtype', - a16 => 'typename', - a16 => 'packname', - I => 'secsize', - I => 'nsectors', - I => 'ntracks', - I => 'ncylinders', - I => 'secpercyl', - I => 'secprtunit', - S => 'sparespertrack', - S => 'sparespercyl', - I => 'acylinders', - S => 'rpm', - S => 'interleave', - S => 'trackskew', - S => 'cylskew', - I => 'headswitch', - I => 'trkseek', - I => 'flags', - a20 => 'drivedata', - a20 => 'spare', - I => 'magic2', - S => 'checksum', - S => 'npartitions', - I => 'bbsize', - I => 'sbsize', - a128=> 'partitions', - a236=> 'blank', -); -$main_format = join '', @$main_format; - -my @fields = qw(size start fsize type frag cpg); -my $format = "I I I C C S"; -my $magic = 0x82564557; -my $nb_primary = 8; -my $offset = 0x40; - -sub read($$) { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; - - sysread F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector"; - my %info; @info{@$main_fields} = unpack $main_format, $tmp; - - #- TODO verify checksum - - my $size = psizeof($format); - my @pt = map { - my %h; @h{@fields} = unpack $format, $_; - $h{type} = $typeToDos{$h{type}} || $h{type}; - \%h; - } $info{partitions} =~ /(.{$size})/g; - - #- check magic number - $info{magic} == $magic or die "bad magic number on disk $hd->{device}"; - $info{magic2} == $magic or die "bad magic number on disk $hd->{device}"; - - [ @pt ], \%info; -} - -# write the partition table (and extended ones) -# for each entry, it uses fields: start, size, type, active -sub write($$$;$) { - my ($hd, $sector, $pt, $info) = @_; - - #- handle testing for writing partition table on file only! - local *F; - if ($::testing) { - my $file = "/tmp/partition_table_$hd->{device}"; - open F, ">$file" or die "error opening test file $file"; - } else { - partition_table::raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - c::lseek_sector(fileno(F), $sector, $offset) or return 0; - } - - #- TODO compute checksum - - $info->{npartitions} = $nb_primary; #- is it ok? - - @$pt == $nb_primary or die "partition table does not have $nb_primary entries"; - $info->{partitions} = join '', map { - local $_->{type} = $typeFromDos{$_->{type}} || $_->{type}; - pack $format, @$_{@fields}; - } @$pt; - - syswrite F, pack($main_format, @$info{@$main_fields}), psizeof($main_format) or return 0; - 1; -} - -sub info { - my ($hd) = @_; - my $dtype_scsi = 4; #- taken from fdisk, removed unused one, - my $dtype_ST506 = 6; #- see fdisk for more - - { - magic => $magic, - magic2 => $magic, - dtype => $hd->{device} =~ /^sd/ ? $dtype_scsi : $dtype_ST506, - secsize => $common::SECTORSIZE, - ncylinders => $hd->{geom}{cylinders}, - secpercyl => $hd->cylinder_size(), - secprtunit => $hd->{geom}{totalsectors}, - rpm => 3600, - interleave => 1, - trackskew => 0, - cylskew => 0, - headswitch => 0, - trkseek => 0, - bbsize => 8192, #- size of boot area, with label - sbsize => 8192, #- max size of fs superblock - }; -} - -sub clear_raw { - my ($hd) = @_; - { raw => [ ({}) x $nb_primary ], info => info($hd) }; -} - -sub first_usable_sector { 2048 } - -1; diff --git a/perl-install/partition_table/dos.pm b/perl-install/partition_table/dos.pm deleted file mode 100644 index 3518e6738..000000000 --- a/perl-install/partition_table/dos.pm +++ /dev/null @@ -1,105 +0,0 @@ -package partition_table::dos; # $Id$ - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table; -use c; - -my @fields = qw(active start_head start_sec start_cyl type end_head end_sec end_cyl start size); -my $format = "C8 V2"; -my $magic = "\x55\xAA"; -my $nb_primary = 4; - -my $offset = $common::SECTORSIZE - length($magic) - $nb_primary * common::psizeof($format); - -sub hasExtended { 1 } - -sub last_usable_sector { - my ($hd) = @_; - #- do not use totalsectors, see gi/docs/Partition-ends-after-end-of-disk.txt for more - $hd->{geom}{sectors} * $hd->{geom}{heads} * $hd->{geom}{cylinders}; -} - -sub compute_CHS($$) { - my ($hd, $e) = @_; - my @l = qw(cyl head sec); - @$e{map { "start_$_" } @l} = $e->{start} || $e->{type} ? CHS2rawCHS($hd, sector2CHS($hd, $e->{start})) : (0,0,0); - @$e{map { "end_$_" } @l} = $e->{start} || $e->{type} ? CHS2rawCHS($hd, sector2CHS($hd, $e->{start} + $e->{size} - 1)) : (0,0,0); - 1; -} - -sub CHS2rawCHS { - my ($hd, $c, $h, $s) = @_; - if ($c > 1023) { - #- no way to have a #cylinder >= 1024 - $c = 1023; - $h = $hd->{geom}{heads} - 1; - $s = $hd->{geom}{sectors}; - } - ($c & 0xff, $h, $s | ($c >> 2 & 0xc0)); -} - -# returns (cylinder, head, sector) -sub sector2CHS { - my ($hd, $start) = @_; - my ($s, $h); - ($start, $s) = divide($start, $hd->{geom}{sectors}); - ($start, $h) = divide($start, $hd->{geom}{heads}); - ($start, $h, $s + 1); -} - -sub read { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; - - my @pt = map { - sysread F, $tmp, psizeof($format) or die "error while reading partition table in sector $sector"; - my %h; @h{@fields} = unpack $format, $tmp; - \%h; - } (1..$nb_primary); - - #- check magic number - sysread F, $tmp, length $magic or die "error reading magic number on disk $hd->{device}"; - $tmp eq $magic or die "bad magic number on disk $hd->{device}"; - - [ @pt ]; -} - -# write the partition table (and extended ones) -# for each entry, it uses fields: start, size, type, active -sub write($$$;$) { - my ($hd, $sector, $pt) = @_; - - #- handle testing for writing partition table on file only! - local *F; - if ($::testing) { - my $file = "/tmp/partition_table_$hd->{device}"; - open F, ">$file" or die "error opening test file $file"; - } else { - partition_table::raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - c::lseek_sector(fileno(F), $sector, $offset) or return 0; - } - - @$pt == $nb_primary or die "partition table does not have $nb_primary entries"; - foreach (@$pt) { - compute_CHS($hd, $_); - local $_->{start} = $_->{local_start} || 0; - $_->{active} ||= 0; $_->{type} ||= 0; $_->{size} ||= 0; #- for no warning - syswrite F, pack($format, @$_{@fields}), psizeof($format) or return 0; - } - syswrite F, $magic, length $magic or return 0; - 1; -} - -sub clear_raw { { raw => [ ({}) x $nb_primary ] } } - -1; diff --git a/perl-install/partition_table/empty.pm b/perl-install/partition_table/empty.pm deleted file mode 100644 index e90991684..000000000 --- a/perl-install/partition_table/empty.pm +++ /dev/null @@ -1,36 +0,0 @@ -package partition_table::empty; # $Id$ - -#- this is a mainly dummy partition table. If we find it's empty, we just call - -#- zero_MBR which will take care of bless'ing us to the partition table type best -#- suited - - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table; -use c; - - -sub read($$) { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, 0) or die "reading of partition in sector $sector failed"; - - #- check magic number - sysread F, $tmp, 512 or die "error reading magic number on disk $hd->{device}"; - $tmp eq substr($tmp, 0, 1) x 512 or die "bad magic number on disk $hd->{device}"; - - partition_table::raw::zero_MBR($hd); - - $hd->{primary}{raw}; -} - -1; diff --git a/perl-install/partition_table/gpt.pm b/perl-install/partition_table/gpt.pm deleted file mode 100644 index 01de8f8a7..000000000 --- a/perl-install/partition_table/gpt.pm +++ /dev/null @@ -1,266 +0,0 @@ -package partition_table::gpt; # $Id$ - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table::dos; -use partition_table; -use c; - -my %gpt_types = ( - 0x00 => "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", - 0x82 => "\x6d\xfd\x57\x06\xab\xa4\xc4\x43\x84\xe5\x09\x33\xc8\x4b\x4f\x4f", - 0x83 => "\xA2\xA0\xD0\xEB\xE5\xB9\x33\x44\x87\xC0\x68\xB6\xB7\x26\x99\xC7", - 0x8e => "\x79\xd3\xd6\xe6\x07\xf5\xc2\x44\xa2\x3c\x23\x8f\x2a\x3d\xf9\x28", - 0xfd => "\x0f\x88\x9d\xa1\xfc\x05\x3b\x4d\xa0\x06\x74\x3f\x0f\x84\x91\x1e", - 0xef => "\x28\x73\x2A\xC1\x1F\xF8\xd2\x11\xBA\x4B\x00\xA0\xC9\x3E\xC9\x3B", - # legacy_partition_table => "\x41\xEE\x4D\x02\xE7\x33\xd3\x11\x9D\x69\x00\x08\xC7\x81\xF3\x9F" - # PARTITION_MSFT_RESERVED_GUID "\x16\xE3\xC9\xE3\x5C\x0B\xB8\x4D\x81\x7D\xF9\x2D\xF0\x02\x15\xAE" - #PARTITION_RESERVED_GUID "\x39\x33\xa6\x8d\x07\x00\xc0\x60\xc4\x36\x08\x3a\xc8\x23\x09\x08" -); - -my $current_revision = 0x00010200; -my ($main_format, $main_fields) = list2kv( - a8 => 'magic', - V => 'revision', - V => 'headerSize', - V => 'headerCRC32', - a4 => 'blank1', - Q => 'myLBA', - Q => 'alternateLBA', - Q => 'firstUsableLBA', - Q => 'lastUsableLBA', - a16 => 'guid', - Q => 'partitionEntriesLBA', - V => 'nbPartitions', - V => 'partitionEntrySize', - V => 'partitionEntriesCRC32', -); - -my ($partitionEntry_format, $partitionEntry_fields) = list2kv( - a16 => 'gpt_type', - a16 => 'guid', - Q => 'start', - Q => 'ending', - a8 => 'efi_attributes', - a72 => 'name', -); - -my ($guid_format, $guid_fields) = list2kv( - N => 'time_low', - n => 'time_mid', - n => 'time_hi_and_version', - n => 'clock_seq', - a6 => 'node', -); - -$_ = join('', @$_) foreach $main_format, $partitionEntry_format, $guid_format; - -my $magic = "EFI PART"; - -sub generate_guid { - my $tmp; - local *F; - open F, devices::make("random") or die "Could not open /dev/random for GUID generation"; - read F, $tmp, psizeof($guid_format); - - my %guid; @guid{@$guid_fields} = unpack $guid_format, $tmp; - $guid{clock_seq} = ($guid{clock_seq} & 0x3fff) | 0x8000; - $guid{time_hi_and_version} = ($guid{time_hi_and_version} & 0x0fff) | 0x4000; - pack($guid_format, @guid{@$guid_fields}); -} - -sub crc32 { - my ($buffer) = @_; - - my $crc = 0xFFFFFFFF; - foreach (unpack "C*", $buffer) { - my $subcrc = ($crc ^ $_) & 0xFF; - for (my $j = 8; $j > 0; $j--){ - my $b = $subcrc & 1; - $subcrc = ($subcrc >> 1) & 0x7FFFFFFF; - $subcrc = $subcrc ^ 0xEDB88320 if $b; - } - $crc = ($crc >> 8) ^ $subcrc; - } - $crc ^ 0xFFFFFFFF; -} - -sub compute_headerCRC32 { - my ($info) = @_; - local $info->{headerCRC32} = 0; - crc32(pack($main_format, @$info{@$main_fields})); -} - -sub read_header { - my ($sector, $F) = @_; - my $tmp; - - c::lseek_sector(fileno($F), $sector, 0) or die "reading of partition in sector $sector failed"; - - sysread $F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector"; - my %info; @info{@$main_fields} = unpack $main_format, $tmp; - - $info{magic} eq $magic or die "bad magic number on disk $hd->{device}"; - $info{myLBA} == $sector or die "myLBA is not the same"; - $info{headerSize} == psizeof($main_format) or die "bad partition table header size"; - $info{partitionEntrySize} == psizeof($partitionEntry_format) or die "bad partitionEntrySize"; - $info{revision} <= $current_revision or log::l("oops, this is a new GPT revision ($info{revision} > $current_revision)"); - - $info{headerCRC32} == compute_headerCRC32(\%info) or die "bad partition table checksum"; - \%info -} - -sub read_partitionEntries { - my ($info, $F) = @_; - my $tmp; - - c::lseek_sector(fileno($F), $info->{partitionEntriesLBA}, 0) or die "can't seek to sector partitionEntriesLBA"; - sysread $F, $tmp, psizeof($partitionEntry_format) * $info->{nbPartitions} or die "error while reading partition table in sector $info->{partitionEntriesLBA}"; - $info->{partitionEntriesCRC32} == crc32($tmp) or die "bad partition entries checksum"; - - c::lseek_sector(fileno($F), $info->{partitionEntriesLBA}, 0) or die "can't seek to sector partitionEntriesLBA"; - my %gpt_types_rev = reverse %gpt_types; - my @pt = - map { - sysread $F, $tmp, psizeof($partitionEntry_format) or die "error while reading partition table in sector $info->{partitionEntriesLBA}"; - my %h; @h{@$partitionEntry_fields} = unpack $partitionEntry_format, $tmp; - $h{size} = $h{ending} - $h{start} + 1; - $h{type} = $gpt_types_rev{$h{gpt_type}}; - $h{type} = 0x100 if !defined $h{type}; - \%h; - } (1 .. $info->{nbPartitions}); - \@pt; -} - -sub read { - my ($hd, $sector) = @_; - my $tmp; - - my $l = partition_table::dos::read($hd, $sector); - my @l = grep { $_->{size} && $_->{type} && !partition_table::isExtended($_) } @$l; - @l == 1 or die "bad PMBR"; - $l[0]{type} == 0xee or die "bad PMBR"; - my $myLBA = $l[0]{start}; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - my $info1 = eval { read_header($myLBA, *F) }; - my $info2 = eval { read_header($info1->{alternateLBA} || $l[0]{start} + $l[0]{size} - 1, *F) }; #- what about using $hd->{totalsectors} ??? - my $info = $info1 || { %$info2, myLBA => $info2->{alternateLBA}, alternateLBA => $info2->{myLBA}, partitionEntriesLBA => $info2->{alternateLBA} + 1 } or die; - my $pt = $info1 && $info2 ? - eval { $info1 && read_partitionEntries($info1, *F) } || read_partitionEntries($info2, *F) : - read_partitionEntries($info, *F); - $hd->raw_removed($pt); - - $pt, $info; -} - -# write the partition table (and extended ones) -# for each entry, it uses fields: start, size, type, active -sub write { - my ($hd, $sector, $pt, $info) = @_; - - foreach (@$pt) { - $_->{ending} = $_->{start} + $_->{size} - 1; - $_->{guid} ||= generate_guid; - $_->{gpt_type} = $gpt_types{$_->{type}} || $_->{gpt_type} || $gpt_types{0x83}; - } - my $partitionEntries = join('', map { - pack($partitionEntry_format, @$_{@$partitionEntry_fields}) - } (@$pt, ({}) x ($info->{nbPartitions} - @$pt))); - - $info->{partitionEntriesCRC32} = crc32($partitionEntries); - $info->{headerCRC32} = compute_headerCRC32($info); - - my $info2 = { %$info, - myLBA => $info->{alternateLBA}, alternateLBA => $info->{myLBA}, - partitionEntriesLBA => $info->{alternateLBA} - psizeof($partitionEntry_format) * $info->{nbPartitions} / 512, - }; - $info2->{headerCRC32} = compute_headerCRC32($info2); - - { - # write the PMBR - my $pmbr = partition_table::dos::clear_raw(); - $pmbr->{raw}[0] = { type => 0xee, local_start => $info->{myLBA}, size => $info->{alternateLBA} - $info->{myLBA} + 1 }; - partition_table::dos::write($hd, $sector, $pmbr->{raw}); - } - - local *F; - partition_table::raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - - c::lseek_sector(fileno(F), $info->{myLBA}, 0) or return 0; - #- pad with 0's - syswrite F, pack($main_format, @$info{@$main_fields}) . "\0" x 512, 512 or return 0; - - c::lseek_sector(fileno(F), $info->{alternateLBA}, 0) or return 0; - #- pad with 0's - syswrite F, pack($main_format, @$info2{@$main_fields}) . "\0" x 512, 512 or return 0; - - c::lseek_sector(fileno(F), $info->{partitionEntriesLBA}, 0) or return 0; - syswrite F, $partitionEntries or return 0; - - c::lseek_sector(fileno(F), $info2->{partitionEntriesLBA}, 0) or return 0; - syswrite F, $partitionEntries or return 0; - - common::sync(); - 1; -} - -sub raw_removed { - my ($hd, $raw) = @_; - @$raw = grep { $_->{size} && $_->{type} } @$raw; -} -sub can_raw_add { - my ($hd) = @_; - @{$hd->{primary}{raw}} < $hd->{primary}{info}{nbPartitions}; -} -sub raw_add { - my ($hd, $raw, $part) = @_; - $hd->can_raw_add or die "raw_add: partition table already full"; - push @$raw, $part; -} - -sub adjustStart {} -sub adjustEnd {} - -sub first_usable_sector { - my ($hd) = @_; - $hd->{primary}{info}{firstUsableLBA}; -} -sub last_usable_sector { - my ($hd) = @_; - $hd->{primary}{info}{lastUsableLBA} + 1; -} - -sub info { - my ($hd) = @_; - my $nb_sect = 32; - - #- build a default suitable partition table, - #- checksum will be built when writing on disk. - { - magic => $magic, - revision => $current_revision, - headerSize => psizeof($main_format), - myLBA => 1, - alternateLBA => $hd->{totalsectors} - 1, - firstUsableLBA => $nb_sect + 2, - lastUsableLBA => $hd->{totalsectors} - $nb_sect - 2, - guid => generate_guid, - partitionEntriesLBA => 2, - nbPartitions => $nb_sect * 512 / psizeof($partitionEntry_format), - partitionEntrySize => psizeof($partitionEntry_format), - }; -} - -sub clear_raw { - my ($hd) = @_; - { raw => [], info => info($hd) }; -} - -1; diff --git a/perl-install/partition_table/lvm_PV.pm b/perl-install/partition_table/lvm_PV.pm deleted file mode 100644 index 4a55d3810..000000000 --- a/perl-install/partition_table/lvm_PV.pm +++ /dev/null @@ -1,43 +0,0 @@ -package partition_table::lvm; # $Id$ - -use diagnostics; -use strict; - -our @ISA = qw(partition_table::raw); - -use partition_table::raw; -use c; - -my $magic = "HM\1\0"; -my $offset = 0; - - -#- Allows people having PVs on unpartitioned disks to install -#- (but no way to create such beasts) -#- -#- another way to handle them would be to ignore those disks, -#- but this would make those hds unshown in diskdrake, -#- disallowing to zero_MBR, clearing this PV - - -sub read { - my ($hd, $sector) = @_; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; - - sysread F, my $tmp, length $magic or die "error reading magic number on disk $hd->{file}"; - $tmp eq $magic or die "bad magic number on disk $hd->{file}"; - - [ ]; -} - -sub write { - die "ERROR: should not be writing raw disk lvm PV!!"; -} - -sub clear_raw { - die "ERROR: should not be creating new raw disk lvm PV!!"; -} - -1; diff --git a/perl-install/partition_table/mac.pm b/perl-install/partition_table/mac.pm deleted file mode 100644 index 45c614139..000000000 --- a/perl-install/partition_table/mac.pm +++ /dev/null @@ -1,395 +0,0 @@ -package partition_table::mac; # $Id$ - -use diagnostics; -#use strict; - fixed other PPC code to comply, but program bails on empty partition table - sbenedict -use vars qw(@ISA $freepart $bootstrap_part $macos_part); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table; -use c; - -my %typeToDos = ( - "Apple_partition_map" => 0x401, - "Apple_Bootstrap" => 0x401, - "Apple_Driver43" => 0x401, - "Apple_Driver_IOKit" => 0x401, - "Apple_Patches" => 0x401, - "Apple_HFS" => 0x402, - "Apple_UNIX_SVR2" => 0x83, - "Apple_UNIX_SVR2" => 0x183, - "Apple_UNIX_SVR2" => 0x283, - "Apple_UNIX_SVR2" => 0x383, - "Apple_UNIX_SVR2" => 0x483, - "Apple_Free" => 0x0, -); -my %typeFromDos = reverse %typeToDos; - - -my ($bz_format, $bz_fields) = list2kv( - n => 'bzSig', - n => 'bzBlkSize', - N => 'bzBlkCnt', - n => 'bzDevType', - n => 'bzDevID', - N => 'bzReserved', - n => 'bzDrvrCnt', -); -$bz_format = join '', @$bz_format; - - -my ($dd_format, $dd_fields) = list2kv( - N => 'ddBlock', - n => 'ddSize', - n => 'ddType', -); -$dd_format = join '', @$dd_format; - - -my ($p_format, $p_fields) = list2kv( - n => 'pSig', - n => 'pSigPad', - N => 'pMapEntry', - N => 'pPBlockStart', - N => 'pPBlocks', - - a32 => 'pName', - a32 => 'pType', - - N => 'pLBlockStart', - N => 'pLBlocks', - N => 'pFlags', - N => 'pBootBlock', - N => 'pBootBytes', - - N => 'pAddrs1', - N => 'pAddrs2', - N => 'pAddrs3', - N => 'pAddrs4', - N => 'pChecksum', - - a16 => 'pProcID', - a128 => 'pBootArgs', - a248 => 'pReserved', -); -$p_format = join '', @$p_format; - -my $magic = 0x4552; -my $pmagic = 0x504D; - -sub first_usable_sector { 1 } - -sub adjustStart($$) { - my ($hd, $part) = @_; - my $end = $part->{start} + $part->{size}; - my $partmap_end = $hd->{primary}{raw}[0]{size}; - - if ($part->{start} <= $partmap_end) { - $part->{start} = $partmap_end + 1; - $part->{size} = $end - $part->{start}; - } -} - -sub adjustEnd($$) { - my ($hd, $part) = @_; -} - -sub read($$) { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, 0) or die "reading of partition in sector $sector failed"; - - sysread F, $tmp, psizeof($bz_format) or die "error while reading bz \(Block Zero\) in sector $sector"; - my %info; @info{@$bz_fields} = unpack $bz_format, $tmp; - my $i; - - foreach $i (0 .. $info{bzDrvrCnt}-1) { - sysread F, $tmp, psizeof($dd_format) or die "error while reading driver data in sector $sector"; - my %dd; @dd{@$dd_fields} = unpack $dd_format, $tmp; - push @{$info{ddMap}}, \%dd; - } - - #- check magic number - $info{bzSig} == $magic or die "bad magic number on disk $hd->{device}"; - - my $numparts; - c::lseek_sector(fileno(F), $sector, 516) or die "reading of partition in sector $sector failed"; - sysread F, $tmp, 4 or die "error while reading partition info in sector $sector"; - $numparts = unpack "N", $tmp; - - my $partmapsize; - c::lseek_sector(fileno(F), $sector, 524) or die "reading of partition in sector $sector failed"; - sysread F, $tmp, 4 or die "error while reading partition info in sector $sector"; - $partmapsize = ((unpack "N", $tmp) * $info{bzBlkSize}) / psizeof($p_format); - - c::lseek_sector(fileno(F), $sector, 512) or die "reading of partition in sector $sector failed"; - - my @pt; - for ($i=0;$i<$partmapsize;$i++) { - my $part; - sysread F, $part, psizeof($p_format) or die "error while reading partition info in sector $sector"; - - push @pt, map { - my %h; @h{@$p_fields} = unpack $p_format, $part; - if ($i < $numparts && $h{pSig} eq $pmagic) { - - $h{size} = ($h{pPBlocks} * $info{bzBlkSize}) / 512; - $h{start} = ($h{pPBlockStart} * $info{bzBlkSize}) / 512; - - if ($h{pType} =~ /^Apple_UNIX_SVR2/i) { - $h{pName} =~ /swap/i ? ($h{type} = 0x82) : ($h{type} = 0x83); - } elsif ($h{pType} =~ /^Apple_Free/i) { - #- need to locate a 1MB partition to setup a bootstrap on - if ($freepart && $freepart->{size} >= 1) { - #- already found a suitable partition - } else { - $freepart = { start => $h{start}, size => $h{size}/2048, hd => $hd, part => "/dev/$hd->{device}" . ($i+1) }; - log::l("free apple partition found on drive /dev/$freepart->{hd}{device}, block $freepart->{start}, size $freepart->{size}"); - } - $h{type} = 0x0; - $h{pName} = 'Extra'; - } elsif ($h{pType} =~ /^Apple_HFS/i) { - $h{type} = 0x402; - if (defined $macos_part) { - #- swag at identifying MacOS - 1st HFS partition - } else { - $macos_part = "/dev/" . $hd->{device} . ($i+1); - log::l("found MacOS at partition $macos_part"); - } - } elsif ($h{pType} =~ /^Apple_Partition_Map/i) { - $h{type} = 0x401; - $h{isMap} = 1; - } elsif ($h{pType} =~ /^Apple_Bootstrap/i) { - $h{type} = 0x401; - $h{isBoot} = 1; - if (defined $bootstrap_part) { - #found a bootstrap already - use it, but log the find - log::l("found another apple bootstrap at partition /dev/$hd->{device}" . ($i+1)); - } else { - $bootstrap_part = "/dev/" . $hd->{device} . ($i+1); - log::l("found apple bootstrap at partition $bootstrap_part"); - } - } else { - $h{type} = 0x401; - $h{isDriver} = 1; - }; - - # Let's see if this partition is a driver. - foreach (@{$info{ddMap}}) { - $_->{ddBlock} == $h{pPBlockStart} and $h{isDriver} = 1; - } - - } - \%h; - } [ $part ]; - }; - - [ @pt ], \%info; -} - -sub write($$$;$) { - my ($hd, $sector, $pt, $info) = @_; - - #- handle testing for writing partition table on file only! - local *F; - if ($::testing) { - my $file = "/tmp/partition_table_$hd->{device}"; - open F, ">$file" or die "error opening test file $file"; - } else { - partition_table::raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - c::lseek_sector(fileno(F), $sector, 0) or return 0; - } - - # Find the partition map. - my @partstowrite; - my $part = $pt->[0]; - (defined $part->{isMap}) or die "the first partition is not the partition map"; - push @partstowrite, $part; - - # Now go thru the partitions, sort and fill gaps. - my $last; - while ($part) { - $last = $part; - $part = &partition_table::next($hd, $part); - $part or last; - - if ($last->{start} + $last->{size} < $part->{start}) { - #There is a gap between partitions. Fill it and move on. - push @partstowrite, { - type => 0x0, - start => $last->{start} + $last->{size}, - size => $part->{start} - ($last->{start} + $last->{size}), - }; - } - push @partstowrite, $part; - }; - - # now, fill a gap at the end if there is one. - if ($last->{start} + $last->{size} < $hd->{totalsectors}) { - push @partstowrite, { - type => 0x0, - start => $last->{start} + $last->{size}, - size => $hd->{totalsectors} - ($last->{start} + $last->{size}), - }; - } - - # Since we didn't create any new drivers, let's try and match up our driver records with out partitons and see if any are missing. - $info->{bzDrvrCnt} = 0; - my @ddstowrite; - my $dd; - foreach $dd (@{$info->{ddMap}}) { - foreach (@partstowrite) { - if ($dd->{ddBlock} == $_->{pPBlockStart}) { - push @ddstowrite, $dd; - $info->{bzDrvrCnt}++; - last; - } - } - } - - # Now let's write our first block. - syswrite F, pack($bz_format, @$info{@$bz_fields}), psizeof($bz_format) or return 0; - - # ...and now the driver information. - foreach (@ddstowrite) { - syswrite F, pack($dd_format, @$_{@$dd_fields}), psizeof($dd_format) or return 0; - } - # zero the rest of the data in the first block. - foreach ( 1 .. (494 - ((@ddstowrite) * 8))) { - syswrite F, "\0", 1 or return 0; - } - #c::lseek_sector(fileno(F), $sector, 512) or return 0; - # Now, we iterate thru the partstowrite and write them. - foreach (@partstowrite) { - if (!defined $_->{pSig}) { - # The values we need to write to disk are not defined. Let's make them up. - $_->{pSig} = $pmagic; - $_->{pSigPad} = 0; - $_->{pPBlockStart} = ($_->{start} * 512) / $info->{bzBlkSize}; - $_->{pPBlocks} = ($_->{size} * 512) / $info->{bzBlkSize}; - $_->{pLBlockStart} = 0; - $_->{pLBlocks} = $_->{pPBlocks}; - $_->{pBootBlock} = 0; - $_->{pBootBytes} = 0; - $_->{pAddrs1} = 0; - $_->{pAddrs2} = 0; - $_->{pAddrs3} = 0; - $_->{pAddrs4} = 0; - $_->{pChecksum} = 0; - $_->{pProcID} = "\0"; - $_->{pBootArgs} = "\0"; - $_->{pReserved} = "\0"; - - if ($_->{type} == 0x402) { - $_->{pType} = "Apple_HFS"; - $_->{pName} = "MacOS"; - $_->{pFlags} = 0x4000037F; - } elsif ($_->{type} == 0x401 && $_->{start} == 1) { - $_->{pType} = "Apple_Partition_Map"; - $_->{pName} = "Apple"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x401) { - $_->{pType} = "Apple_Bootstrap"; - $_->{pName} = "bootstrap"; - $_->{pFlags} = 0x33; - $_->{isBoot} = 1; - log::l("writing a bootstrap at /dev/$_->{device}"); - $install_steps_interactive::new_bootstrap = 1 if !(defined $partition_table::mac::bootstrap_part); - $bootstrap_part = "/dev/" . $_->{device}; - } elsif ($_->{type} == 0x82) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "swap"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x83) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "Linux Native"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x183) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "Linux ReiserFS"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x283) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "Linux XFS"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x383) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "Linux JFS"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x483) { - $_->{pType} = "Apple_UNIX_SVR2"; - $_->{pName} = "Linux ext3"; - $_->{pFlags} = 0x33; - } elsif ($_->{type} == 0x0) { - $_->{pType} = "Apple_Free"; - $_->{pName} = "Extra"; - $_->{pFlags} = 0x31; - } - }; - $_->{pMapEntry} = @partstowrite; - syswrite F, pack($p_format, @$_{@$p_fields}), psizeof($p_format) or return 0; - } - - common::sync(); - - 1; -} - -sub info { - my ($hd) = @_; - - # - Build the first block of the drive. - - my $info = { - bzSig => $magic, - bzBlkSize => 512, - bzBlkCnt => $hd->{totalsectors}, - bzDevType => 0, - bzDevID => 0, - bzReserved => 0, - bzDrvrCnt => 0, - }; - - $info; -} - -sub clear_raw { - my ($hd) = @_; - my @oldraw = @{$hd->{primary}{raw}}; - my $pt = { raw => [ ({}) x 63 ], info => info($hd) }; - - #- handle special case for partition 1 which is the partition map. - $pt->{raw}[0] = { - type => 0x401, - start => 1, - size => 63, - isMap => 1, - }; -# $pt->{raw}[1] = { -# type => 0x0, -# start => 64, -# size => $hd->{totalsectors} - 64, -# isMap => 0, -# }; - push @{$pt->{normal}}, $pt->{raw}[0]; -# push @{$pt->{normal}}, $pt->{raw}[1]; - - #- Recover any Apple Drivers, if any. - my $i = 1; - foreach (@oldraw) { - if (defined $_->{isDriver}) { - $pt->{raw}[$i] = $_; - push @{$pt->{normal}}, $pt->{raw}[$i]; - $i++; - } - }; - @{$pt->{info}{ddMap}} = @{$hd->{primary}{info}{ddMap}}; - - $pt; -} - -1; diff --git a/perl-install/partition_table/raw.pm b/perl-install/partition_table/raw.pm deleted file mode 100644 index 89a89cffd..000000000 --- a/perl-install/partition_table/raw.pm +++ /dev/null @@ -1,194 +0,0 @@ -package partition_table::raw; # $Id$ - -use diagnostics; -use strict; - -use common; -use devices; -use detect_devices; -use log; -use c; - -my @MBR_signatures = ( -if_(arch() =~ /ppc/, - map { [ 'yaboot', 0, "PM", 0x200 * $_ + 0x10, "bootstrap\0" ] } 0 .. 61 -), - [ 'empty', 0, "\0\0\0\0" ], - [ 'grub', 0, "\xEBG", 0x17d, "stage1 \0" ], - [ 'grub', 0, "\xEBH", 0x17e, "stage1 \0" ], - [ 'grub', 0, "\xEBH", 0x18a, "stage1 \0" ], - [ 'grub', 0, "\xEBH", 0x181, "GRUB \0" ], - [ 'lilo', 0x2, "LILO" ], - [ 'lilo', 0x6, "LILO" ], - [ 'grub', 0x6, "GRUB" ], - [ 'osbs', 0x2, "OSBS" ], #- http://www.prz.tu-berlin.de/~wolf/os-bs.html - [ 'pqmagic', 0xef, "PQV" ], - [ 'BootStar', 0x130, "BootStar:" ], - [ 'DocsBoot', 0x148, 'DocsBoot' ], - [ 'system_commander', 0x1ad, "SYSCMNDRSYS" ], - [ 'Be Os', 0x24, 'Boot Manager' ], - [ 'TimO', 0, 'IBM Thinkpad hibernation partition' ], - [ 'dos', 0xa0, "\x25\x03\x4E\x02\xCD\x13" ], - [ 'dos', 0xa0, "\x00\xB4\x08\xCD\x13\x72" ], #- nt2k's - [ 'dos', 0x60, "\xBB\x00\x7C\xB8\x01\x02\x57\xCD\x13\x5F\x73\x0C\x33\xC0\xCD\x13" ], #- nt's - [ 'dos', 0x70, "\x0C\x33\xC0\xCD\x13\x4F\x75\xED\xBE\xA3" ], - [ 'freebsd', 0xC0, "\x00\x30\xE4\xCD\x16\xCD\x19\xBB\x07\x00\xB4" ], - [ 'freebsd', 0x160, "\x6A\x10\x89\xE6\x48\x80\xCC\x40\xCD\x13" ], - [ 'dummy', 0xAC, "\x0E\xB3\x07\x56\xCD\x10\x5E\xEB" ], #- caldera? - [ 'ranish', 0x100, "\x6A\x10\xB4\x42\x8B\xF4\xCD\x13\x8B\xE5\x73" ], - [ 'os2', 0x1c2, "\xA" ], - [ 'Acronis', 0, "\xE8\x12\x01" ], -); - -sub typeOfMBR($) { typeFromMagic(devices::make($_[0]), @MBR_signatures) } -sub typeOfMBR_($) { typeFromMagic($_[0], @MBR_signatures) } - -sub hasExtended { 0 } - -sub cylinder_size($) { - my ($hd) = @_; - $hd->{geom}{sectors} * $hd->{geom}{heads}; -} -sub first_usable_sector { 1 } -sub last_usable_sector { - my ($hd) = @_; - $hd->{totalsectors}; -} - -#- default method for starting a partition, only head size or twice -#- is allowed for starting a partition after a cylinder boundarie. -sub adjustStart($$) { - my ($hd, $part) = @_; - my $end = $part->{start} + $part->{size}; - - $part->{start} = round_up($part->{start}, - $part->{start} % cylinder_size($hd) < 2 * $hd->{geom}{sectors} ? - $hd->{geom}{sectors} : cylinder_size($hd)); - $part->{size} = $end - $part->{start}; - $part->{size} > 0 or die "adjustStart get a too small partition to handle correctly"; -} -#- adjusting end to match a cylinder boundary, two methods are used and must -#- match at the end, else something is wrong and nothing will be done on -#- partition table. -#- $end2 is computed by removing 2 (or only 1 if only 2 heads on drive) groups -#- of sectors, this is necessary to handle extended partition where logical -#- partition start after 1 (or 2 accepted) groups of sectors (typically 63). -#- $end is floating (is not on cylinder boudary) so we have to choice a good -#- candidate, $end1 or $end2 should always be good except $end1 for small -#- partition size. -sub adjustEnd($$) { - my ($hd, $part) = @_; - my $end = $part->{start} + $part->{size}; - $end > $hd->{geom}{cylinders} * cylinder_size($hd) && $end <= $hd->{totalsectors} and return; - my $end1 = round_down($end, cylinder_size($hd)); - my $end2 = round_up($end - ($hd->{geom}{heads} > 2 ? 2 : 1) * $hd->{geom}{sectors}, cylinder_size($hd)); - $end2 <= $hd->{geom}{cylinders} * cylinder_size($hd) or die "adjustEnd go beyond end of device geometry ($end2 > $hd->{totalsectors})"; - $part->{size} = ($end1 - $part->{start} > cylinder_size($hd) ? $end1 : $end2) - $part->{start}; - $part->{size} > 0 or die "adjustEnd get a too small partition to handle correctly"; -} - -sub get_geometry($) { - my ($dev) = @_; - my $g = ""; - - local *F; sysopen F, $dev, 0 or return; - ioctl(F, c::HDIO_GETGEO(), $g) or return; - my %geom; @geom{qw(heads sectors cylinders start)} = unpack "CCSL", $g; - $geom{totalcylinders} = $geom{cylinders}; - - my $total; - #- $geom{cylinders} is no good (only a ushort, that means less than 2^16 => at best 512MB) - if ($total = c::total_sectors(fileno F)) { - $geom{cylinders} = int $total / $geom{heads} / $geom{sectors}; - } else { - $total = $geom{heads} * $geom{sectors} * $geom{cylinders} - } - - { geom => \%geom, totalsectors => $total }; -} - -sub openit($$;$) { sysopen $_[1], $_[0]{file}, $_[2] || 0 } - -# cause kernel to re-read partition table -sub kernel_read($) { - my ($hd) = @_; - common::sync(); - local *F; openit($hd, *F) or return 0; - common::sync(); sleep(1); - $hd->{rebootNeeded} = !ioctl(F, c::BLKRRPART(), 0); - common::sync(); - close F; - common::sync(); sleep(1); -} - -sub raw_removed { - my ($hd, $raw) = @_; -} -sub can_raw_add { - my ($hd) = @_; - $_->{size} || $_->{type} or return 1 foreach @{$hd->{primary}{raw}}; - 0; -} -sub raw_add { - my ($hd, $raw, $part) = @_; - - foreach (@$raw) { - $_->{size} || $_->{type} and next; - $_ = $part; - return; - } - die "raw_add: partition table already full"; -} - -sub zero_MBR { - my ($hd) = @_; - #- force the standard partition type for the architecture - my $type = arch() =~ /ia64/ ? 'gpt' : arch() eq "alpha" ? "bsd" : arch() =~ /^sparc/ ? "sun" : arch() eq "ppc" ? "mac" : "dos"; - #- override standard mac type on PPC for IBM machines to dos - $type = "dos" if (arch() =~ /ppc/ && detect_devices::get_mac_model() =~ /^IBM/); - require("partition_table/$type.pm"); - bless $hd, "partition_table::$type"; - $hd->{primary} = $hd->clear_raw(); - delete $hd->{extended}; -} - -sub zero_MBR_and_dirty { - my ($hd) = @_; - zero_MBR($hd); - $hd->{isDirty} = $hd->{needKernelReread} = 1; - -} - -#- ugly stuff needed mainly for Western Digital IDE drives -#- try writing what we've just read, yells if it fails -#- testing on last sector of head #0 (unused in 99% cases) -#- -#- return false if the device can't be written to (especially for Smartmedia) -sub test_for_bad_drives { - my ($hd) = @_; - - log::l("test_for_bad_drives($hd->{file})"); - my $sector = $hd->{geom}{sectors} - 1; - - sub error { die "$_[0] error: $_[1]" } - - local *F; openit($hd, *F, 2) or error(openit($hd, *F, 0) ? 'write' : 'read', "can't open device"); - - my $seek = sub { - c::lseek_sector(fileno(F), $sector, 0) or error('read', "seeking to sector $sector failed"); - }; - my $tmp; - - &$seek; sysread F, $tmp, $SECTORSIZE or error('read', "can't even read ($!)"); - return if $hd->{readonly} || $::testing; - &$seek; syswrite F, $tmp or error('write', "can't even write ($!)"); - - my $tmp2; - &$seek; sysread F, $tmp2, $SECTORSIZE or die "test_for_bad_drives: can't even read again ($!)"; - $tmp eq $tmp2 or die -_("Something bad is happening on your drive. -A test to check the integrity of data has failed. -It means writing anything on the disk will end up with random trash"); -} - -1; diff --git a/perl-install/partition_table/sun.pm b/perl-install/partition_table/sun.pm deleted file mode 100644 index 6944130dc..000000000 --- a/perl-install/partition_table/sun.pm +++ /dev/null @@ -1,201 +0,0 @@ -package partition_table::sun; # $Id$ - -use diagnostics; -use strict; -use vars qw(@ISA); - -@ISA = qw(partition_table::raw); - -use common; -use partition_table::raw; -use partition_table; -use c; - -my ($main_format, $main_fields) = list2kv( - a128 => 'info', - a14 => 'spare0', - a32 => 'infos', - a246 => 'spare1', - n => 'rspeed', - n => 'pcylcount', - n => 'sparecyl', - a4 => 'spare2', - n => 'ilfact', - n => 'ncyl', - n => 'nacyl', - n => 'ntrks', - n => 'nsect', - a4 => 'spare3', - a64 => 'partitions', - n => 'magic', - n => 'csum', -); -$main_format = join '', @$main_format; - -my ($fields1, $fields2) = ([ qw(type flags) ], [ qw(start_cylinder size) ]); -my ($format1, $format2) = ("xCxC", "N2"); -my ($size1, $size2) = map { psizeof($_) } ($format1, $format2); -my $magic = 0xDABE; -my $nb_primary = 8; -my $offset = 0; - -sub adjustStart($$) { - my ($hd, $part) = @_; - my $end = $part->{start} + $part->{size}; - - #- since partition must always start on cylinders boundaries on sparc, - #- note that if start sector is on the first cylinder, it is adjusted - #- to 0 and it is valid, cylinder 0 bug is from bad define for sparc - #- compilation of mke2fs combined with a blind kernel... - $part->{start} = round_down($part->{start}, $hd->cylinder_size()); - $part->{size} = $end - $part->{start}; - $part->{size} = $hd->cylinder_size() if $part->{size} <= 0; -} -sub adjustEnd($$) { - my ($hd, $part) = @_; - my $end = $part->{start} + $part->{size}; - my $end2 = round_up($end, $hd->cylinder_size()); - $end2 = $hd->{geom}{cylinders} * $hd->cylinder_size() if $end2 > $hd->{geom}{cylinders} * $hd->cylinder_size(); - $part->{size} = $end2 - $part->{start}; -} - -#- compute crc checksum used for Sun Label partition, expect -#- $tmp to be the 512 bytes buffer to be read/written to MBR. -sub compute_crc($) { - my ($tmp) = @_; - my @l2b = unpack "n256", $tmp; - my $crc = 0; - - map { $crc ^= $_ } @l2b; - - $crc; -} - -sub read($$) { - my ($hd, $sector) = @_; - my $tmp; - - local *F; partition_table::raw::openit($hd, *F) or die "failed to open device"; - c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; - - sysread F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector"; - my %info; @info{@$main_fields} = unpack $main_format, $tmp; - - #- check magic number - $info{magic} == $magic or die "bad magic number on disk $hd->{device}"; - - #- check crc, csum contains the crc so result should be 0. - compute_crc($tmp) == 0 or die "bad checksum"; - - @{$hd->{geom}}{qw(cylinders heads sectors)} = @info{qw(ncyl ntrks nsect)}; - - my @pt; - my @infos_up = unpack $format1 x $nb_primary, $info{infos}; - my @partitions_up = unpack $format2 x $nb_primary, $info{partitions}; - for (0..$nb_primary-1) { - my $h = { type => $infos_up[2 * $_], flag => $infos_up[1 + 2 * $_], - start_cylinder => $partitions_up[2 * $_], size => $partitions_up[1 + 2 * $_] }; - $h->{start} = $sector + $h->{start_cylinder} * $hd->cylinder_size(); - $h->{type} && $h->{size} or $h->{$_} = 0 foreach keys %$h; - push @pt, $h; - } - -#- this code is completely broken by null char inside strings, it gets completely crazy :-) -# my @pt = mapn { -# my %h; -# @h{@$fields1} = unpack $format1, $_[0]; -# @h{@$fields2} = unpack $format2, $_[1]; -# $h{start} = $sector + $h{start_cylinder} * $hd->cylinder_size(); -# $h{type} && $h{size} or $h{$_} = 0 foreach keys %h; -# \%h; -# } [ grep { $_ } split /(.{$size1})/o, $info{infos} ], [ grep { $_ } split /(.{$size2})/o, $info{partitions} ]; - - [ @pt ], \%info; -} - -# write the partition table (and extended ones) -# for each entry, it uses fields: start, size, type, active -sub write($$$;$) { - my ($hd, $sector, $pt, $info) = @_; -# my ($csize, $wdsize) = (0, 0); - - #- handle testing for writing partition table on file only! - local *F; - if ($::testing) { - my $file = "/tmp/partition_table_$hd->{device}"; - open F, ">$file" or die "error opening test file $file"; - } else { - partition_table::raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing"; - c::lseek_sector(fileno(F), $sector, $offset) or return 0; - } - - ($info->{infos}, $info->{partitions}) = map { join '', @$_ } list2kv map { - $_->{start} % $hd->cylinder_size() == 0 or die "partition not at beginning of cylinder"; -# $csize += $_->{size} if $_->{type} != 5; -# $wdsize += $_->{size} if $_->{type} == 5; - $_->{flags} |= 0x10 if $_->{mntpoint} eq '/'; - $_->{flags} |= 0x01 if partition_table::isSwap($_); - local $_->{start_cylinder} = $_->{start} / $hd->cylinder_size() - $sector; - pack($format1, @$_{@$fields1}), pack($format2, @$_{@$fields2}); - } @$pt; -# $csize == $wdsize or die "partitions are not using whole disk space"; - - #- compute the checksum by building the buffer to write and call compute_crc. - #- set csum to 0 so compute_crc will give the right csum value. - $info->{csum} = 0; - $info->{csum} = compute_crc(pack($main_format, @$info{@$main_fields})); - - syswrite F, pack($main_format, @$info{@$main_fields}), psizeof($main_format) or return 0; - - common::sync(); - - 1; -} - -sub info { - my ($hd) = @_; - - #- take care of reduction of the number of cylinders, avoid loop of reduction! - unless ($hd->{geom}{totalcylinders} > $hd->{geom}{cylinders}) { - $hd->{geom}{totalcylinders} = $hd->{geom}{cylinders}; - $hd->{geom}{cylinders} -= 2; - - #- rebuild some constants according to number of cylinders. - $hd->{totalsectors} = $hd->{geom}{heads} * $hd->{geom}{sectors} * $hd->{geom}{cylinders}; - } - - #- build a default suitable partition table, - #- checksum will be built when writing on disk. - #- note third partition is ALWAYS of type Whole disk. - my $info = { - info => "DiskDrake partition table", - rspeed => 5400, - pcylcount => $hd->{geom}{totalcylinders}, - sparecyl => 0, - ilfact => 1, - ncyl => $hd->{geom}{cylinders}, - nacyl => $hd->{geom}{totalcylinders} - $hd->{geom}{cylinders}, - ntrks => $hd->{geom}{heads}, - nsect => $hd->{geom}{sectors}, - magic => $magic, - }; - - $info; -} - -sub clear_raw { - my ($hd) = @_; - my $pt = { raw => [ ({}) x $nb_primary ], info => info($hd) }; - - #- handle special case for partition 2 which is whole disk. - $pt->{raw}[2] = { - type => 5, #- the whole disk type. - flags => 0, - start_cylinder => 0, - size => $hd->{geom}{cylinders} * $hd->cylinder_size(), - }; - - $pt; -} - -1; |