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-rw-r--r--perl-install/partition_table/bsd.pm147
-rw-r--r--perl-install/partition_table/dos.pm99
-rw-r--r--perl-install/partition_table/empty.pm36
-rw-r--r--perl-install/partition_table/gpt.pm266
-rw-r--r--perl-install/partition_table/lvm_PV.pm43
-rw-r--r--perl-install/partition_table/mac.pm395
-rw-r--r--perl-install/partition_table/raw.pm192
-rw-r--r--perl-install/partition_table/sun.pm201
8 files changed, 0 insertions, 1379 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 a6ad4be76..000000000
--- a/perl-install/partition_table/dos.pm
+++ /dev/null
@@ -1,99 +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 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 faa4b8fc1..000000000
--- a/perl-install/partition_table/raw.pm
+++ /dev/null
@@ -1,192 +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" ],
-);
-
-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 = $hd->{geom}{sectors} - 1;
-
-
- local *F; openit($hd, *F, 2) or die "can't open device";
-
- my $seek = sub {
- c::lseek_sector(fileno(F), $sector, 0) or die "seeking to sector $sector failed";
- };
- my $tmp;
-
- &$seek; sysread F, $tmp, $SECTORSIZE or die "test_for_bad_drives: can't even read ($!)";
- &$seek; syswrite F, $tmp or die "test_for_bad_drives: can't even write ($!)";
-
- 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;
-}
-
-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;
generated by cgit v1.2.1 (git 2.21.0) at 2024-09-10 08:46:21 +0000