drakx - Mageia Installer and base platform for many utilities

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author	Pascal Rigaux <pixel@mandriva.com>	2008-03-05 15:47:41 +0000
committer	Pascal Rigaux <pixel@mandriva.com>	2008-03-05 15:47:41 +0000
commit	975a721c5c91fdc06e459fb84642241c103b50c8 (patch)
tree	a3dd1f2d710c715e9444ca5de58120065528937d /perl-install/diskdrake/interactive.pm
parent	9bae65d7a789a0db04209a13d79848688d8580ae (diff)
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- fix resizing/formatting ntfs, and create "Windows" entry in bootloader

(broken because of ntfs-3g switch in previous release)

Diffstat (limited to 'perl-install/diskdrake/interactive.pm')

-rw-r--r--

perl-install/diskdrake/interactive.pm

1 files changed, 1 insertions, 1 deletions

package devices; # $Id$ use diagnostics; use strict; use common; use run_program; use log; use c; sub del_loop { my ($dev) = @_; run_program::run("losetup", "-d", $dev); } sub find_free_loop() { foreach (0..255) { my $dev = make("loop$_"); sysopen(my $F, $dev, 2) or next; !ioctl($F, c::LOOP_GET_STATUS(), my $_tmp) && $! == 6 or next; #- 6 == ENXIO return $dev; } die "no free loop found"; } sub set_loop { my ($file, $o_encrypt_key, $o_encryption) = @_; require modules; eval { modules::load('loop') }; my $dev = find_free_loop(); if ($o_encrypt_key && $o_encryption) { eval { modules::load('cryptoloop', 'cbc', if_(arch() =~ /i.86/, 'aes-i586'), if_( arch() =~ /x86_64/, 'aes-x86_64'), 'aes_generic') }; my $cmd = "losetup -p 0 -e $o_encryption $dev $file"; log::l("calling $cmd"); open(my $F, "|$cmd"); print $F $o_encrypt_key; close $F or die "losetup failed"; } else { run_program::run("losetup", $dev, $file) || run_program::run("losetup", "-r", $dev, $file) or return; } $dev; } sub find_compressed_image { my ($name) = @_; foreach (0..255) { my $dev = make("loop$_"); my ($file) = `losetup $dev 2>/dev/null` =~ m!$(.*?)$! or return; $file =~ s!^/sysroot/!/!; basename($file) eq $name and return $dev, $file; } undef; } sub get_dynamic_major { my ($name) = @_; cat_('/proc/devices') =~ /^(\d+) \Q$name\E$/m && $1; } sub init_device_mapper() { require modules; eval { modules::load('dm-mod') }; make('urandom'); my $control = '/dev/mapper/control'; if (! -e $control) { my ($major) = get_dynamic_major('misc') or return; my ($minor) = cat_('/proc/misc') =~ /(\d+) device-mapper$/m or return; mkdir_p(dirname($control)); syscall_('mknod', $control, c::S_IFCHR() | 0600, makedev($major, $minor)) or die "mknod $control failed: $!"; } } sub entry { my ($type, $major, $minor); local ($_) = @_; if (/^0x([\da-f]{3,4})$/i) { $type = c::S_IFBLK(); ($major, $minor) = unmakedev(hex $1); } elsif (/^ram(.*)/) { $type = c::S_IFBLK(); $major = 1; $minor = $1 eq '' ? 1 : $1; } elsif (m|^rd/c(\d+)d(\d+)(p(\d+))?|) { # dac 960 "rd/cXdXXpX" $type = c::S_IFBLK(); $major = 48 + $1; $minor = 8 * $2 + $4; } elsif (m,(ida|cciss)/c(\d+)d(\d+)(?:p(\d+))?,) { # Compaq Smart Array "ida/c0d0{p1}" $type = c::S_IFBLK(); $major = ($1 eq 'ida' ? 72 : 104) + $2; $minor = 16 * $3 + ($4 || 0); } elsif (m,(ataraid)/d(\d+)(?:p(\d+))?,) { # ATA raid "ataraid/d0{p1}" $type = c::S_IFBLK(); $major = 114; $minor = 16 * $1 + ($2 || 0); } elsif (my ($prefix, $nb) = /(.*?)(\d+)$/) { my $f = ${{"fd" => sub { c::S_IFBLK(), 2, 0 }, "hidbp-mse-" => sub { c::S_IFCHR(), 10, 32 }, "lp" => sub { c::S_IFCHR(), 6, 0 }, "usb/lp" => sub { c::S_IFCHR(), 180, 0 }, "input/event" => sub { c::S_IFCHR(), 13, 64 }, "loop" => sub { c::S_IFBLK(), 7, 0 }, "md" => sub { c::S_IFBLK(), 9, 0 }, "nst" => sub { c::S_IFCHR(), 9, 128 }, "sr" => sub { c::S_IFBLK(), 11, 0 }, "tty" => sub { c::S_IFCHR(), 4, 0 }, "ttyS" => sub { c::S_IFCHR(), 4, 64 }, "ubd/" => sub { c::S_IFBLK(), 98, 0 }, "dm-" => sub { c::S_IFBLK(), get_dynamic_major('device-mapper'), 0 }, }}{$prefix}; if($f) { ($type, $major, $minor) = $f->(); $minor += $nb; } } unless ($type) { ($type, $major, $minor) = @{ ${{"aztcd" => [ c::S_IFBLK(), 29, 0 ], "bpcd" => [ c::S_IFBLK(), 41, 0 ], "cdu31a" => [ c::S_IFBLK(), 15, 0 ], "cdu535" => [ c::S_IFBLK(), 24, 0 ], "cm206cd" => [ c::S_IFBLK(), 32, 0 ], "gscd" => [ c::S_IFBLK(), 16, 0 ], "mcd" => [ c::S_IFBLK(), 23, 0 ], "mcdx" => [ c::S_IFBLK(), 20, 0 ], "mem" => [ c::S_IFCHR(), 1, 1 ], "optcd" => [ c::S_IFBLK(), 17, 0 ], "kbd" => [ c::S_IFCHR(), 11, 0 ], "psaux" => [ c::S_IFCHR(), 10, 1 ], "atibm" => [ c::S_IFCHR(), 10, 3 ], "random" => [ c::S_IFCHR(), 1, 8 ], "urandom" => [ c::S_IFCHR(), 1, 9 ], "sbpcd" => [ c::S_IFBLK(), 25, 0 ], "sjcd" => [ c::S_IFBLK(), 18, 0 ], "tty" => [ c::S_IFCHR(), 5, 0 ], "input/mice" => [ c::S_IFCHR(), 13, 63 ], "adbmouse" => [ c::S_IFCHR(), 10, 10 ], #- PPC "vcsa" => [ c::S_IFCHR(), 7, 128 ], "zero" => [ c::S_IFCHR(), 1, 5 ], "null" => [ c::S_IFCHR(), 1, 3 ], "initrd" => [ c::S_IFBLK(), 1, 250 ], "console" => [ c::S_IFCHR(), 5, 1 ], "systty" => [ c::S_IFCHR(), 4, 0 ], "lvm" => [ c::S_IFBLK(), 109, 0 ], }}{$_} || [] }; } # Lookup non listed devices in /sys unless ($type) { my $sysdev; if (m!input/(.*)! && -e "/sys/class/input/$1/dev") { $sysdev = "/sys/class/input/$1/dev"; $type = c::S_IFCHR(); } elsif (-e "/sys/block/$_/dev") { $sysdev = "/sys/block/$_/dev"; $type = c::S_IFBLK(); } elsif (/^(.+)(\d+)$/ && -e "/sys/block/$1/$_/dev") { $sysdev = "/sys/block/$_/dev"; $type = c::S_IFBLK(); } ($major, $minor) = split(':', chomp_(cat_($sysdev))); } # Lookup partitions in /proc/partitions in case /sys was not available unless ($type) { if (-e "/proc/partitions") { if (cat_("/proc/partitions") =~ /^\s*(\d+)\s+(\d+)\s+\d+\s+$_$/m) { ($major, $minor) = ($1, $2); $type = c::S_IFBLK(); } } } $type or internal_error("unknown device $_"); ($type, $major, $minor); } sub make($) { local $_ = my $file = $_[0]; if (m!^(.*/dev)/(.*)!) { $_ = $2; } else { $file =~ m|^/| && -e $file or $file = "/dev/$_"; } -e $file and return $file; #- assume nobody takes fun at creating files named as device my ($type, $major, $minor) = entry($_); #- make a directory for this inode if needed. mkdir_p(dirname($file)); syscall_('mknod', $file, $type | 0600, makedev($major, $minor)) or do { die "mknod failed (dev $_): $!" if ! -e $file; # we may have raced with udev }; $file; } sub simple_partition_scan { my ($part) = @_; $part->{device} =~ /([hsv]d[a-z])(\d+)$/; } sub part_number { my ($part) = @_; (simple_partition_scan($part))[1]; } sub part_prefix { my ($part) = @_; (simple_partition_scan($part))[0]; } sub prefix_for_dev { my ($dev) = @_; $dev . ($dev =~ /\d$/ || $dev =~ m!mapper/! ? 'p' : ''); } sub should_prefer_UUID { my ($dev) = @_; $dev =~ /^([hsv]d)/; } sub symlink_now_and_register { my ($if_struct, $of) = @_; my $if = $if_struct->{device}; #- add a specific udev script, we can't do it with a udev rule, #- eg, ttySL0 is a symlink created by a daemon output_with_perm("$::prefix/etc/udev/devices.d/$of.nodes", 0644, "L $of $if\n"); symlinkf($if, "$::prefix/dev/$of"); } 1;


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