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authorPascal Rigaux <pixel@mandriva.com>2002-01-15 21:18:00 +0000
committerPascal Rigaux <pixel@mandriva.com>2002-01-15 21:18:00 +0000
commitb62b2f3dc75d15d570344656f950502afeb2dc8d (patch)
tree21437772d3da2b4743788d70cf97e25887d5197a /perl-install
parent936db376c2f856166a9cbb52268bb751ac2745d8 (diff)
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encrypted filesystem handling:
- using losetup - add "Options" for partitions in diskdrake (expert mode)
Diffstat (limited to 'perl-install')
-rw-r--r--perl-install/c/stuff.xs.pm42
-rw-r--r--perl-install/devices.pm35
-rw-r--r--perl-install/fs.pm49
-rw-r--r--perl-install/fsedit.pm1
-rw-r--r--perl-install/install_any.pm2
-rw-r--r--perl-install/share/list1
6 files changed, 62 insertions, 68 deletions
diff --git a/perl-install/c/stuff.xs.pm b/perl-install/c/stuff.xs.pm
index b57b471e2..59d8fe232 100644
--- a/perl-install/c/stuff.xs.pm
+++ b/perl-install/c/stuff.xs.pm
@@ -413,48 +413,6 @@ kernel_version()
RETVAL
int
-set_loop(dev_fd, file)
- int dev_fd
- char *file
- CODE:
- RETVAL = 0;
-{
- struct loop_info loopinfo;
- int file_fd = open(file, O_RDWR);
-
- if (file_fd < 0) return;
-
- memset(&loopinfo, 0, sizeof(loopinfo));
- strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
- loopinfo.lo_name[LO_NAME_SIZE - 1] = 0;
-
- if (ioctl(dev_fd, LOOP_SET_FD, file_fd) < 0) return;
- if (ioctl(dev_fd, LOOP_SET_STATUS, &loopinfo) < 0) {
- ioctl(dev_fd, LOOP_CLR_FD, 0);
- return;
- }
- close(file_fd);
- RETVAL = 1;
-}
- OUTPUT:
- RETVAL
-
-int
-del_loop(device)
- char *device
- CODE:
- RETVAL = 0;
-{
- int fd;
- if ((fd = open(device, O_RDONLY)) < 0) return;
- if (ioctl(fd, LOOP_CLR_FD, 0) < 0) return;
- close(fd);
- RETVAL = 1;
-}
- OUTPUT:
- RETVAL
-
-int
prom_open()
void
diff --git a/perl-install/devices.pm b/perl-install/devices.pm
index 7228f9410..4ccac4901 100644
--- a/perl-install/devices.pm
+++ b/perl-install/devices.pm
@@ -32,17 +32,38 @@ sub size($) {
$low + 1;
}
+sub del_loop {
+ my ($dev) = @_;
+ run_program::run("losetup", "-d", $dev);
+}
+sub find_free_loop {
+ foreach (0..7) {
+ my $dev = make("loop$_");
+ {
+ local *F;
+ sysopen F, $dev, 2 or next;
+ !ioctl(F, c::LOOP_GET_STATUS(), my $tmp) && $! == 6 or next; #- 6 == ENXIO
+ close F;
+ }
+ return $dev;
+ }
+ die "no free loop found";
+}
sub set_loop {
- my ($file) = @_;
+ my ($file, $encrypt_key, $encryption) = @_;
+ my $dev = find_free_loop();
- foreach (0..7) {
+ if ($encrypt_key && $encryption) {
+ my $cmd = "losetup -p 0 -e $encryption $dev $file";
+ log::l("calling $cmd");
local *F;
- my $dev = make("loop$_");
- sysopen F, $dev, 2 or next;
- !ioctl(F, c::LOOP_GET_STATUS(), my $tmp) && $! == 6 or next; #- 6 == ENXIO
- log::l("trying with loop $dev");
- return c::set_loop(fileno F, $file) && $dev;
+ open F, "|$cmd";
+ print F $encrypt_key;
+ close F or die "losetup failed";
+ } else {
+ run_program::run("losetup", $dev, $file) or return;
}
+ $dev;
}
sub entry {
diff --git a/perl-install/fs.pm b/perl-install/fs.pm
index 160d939a3..9a12da97e 100644
--- a/perl-install/fs.pm
+++ b/perl-install/fs.pm
@@ -159,7 +159,7 @@ sub write_fstab {
my ($freq, $passno) =
exists $_->{freq} ?
($_->{freq}, $_->{passno}) :
- isTrueFS($_) ?
+ isTrueFS($_) && $_->{options} !~ /encryption=/ ?
(1, $_->{mntpoint} eq '/' ? 1 : loopback::carryRootLoopback($_) ? 0 : 2) :
(0, 0);
@@ -232,6 +232,8 @@ sub mount_options_unpack {
$non_defaults->{$_} = 1 foreach @$l;
}
+ $non_defaults->{encrypted} = 1 if !$part->{isFormatted} || isSwap($part);
+
$non_defaults->{supermount} = 1 if member(type2fs($part), 'auto', @auto_fs);
my $defaults = { reverse %$non_defaults };
@@ -488,33 +490,35 @@ sub real_format_part {
$part->{isFormatted} and return;
+ my $dev = $part->{real_device} || $part->{device};
+
my @options = $part->{toFormatCheck} ? "-c" : ();
- log::l("formatting device $part->{device} (type ", type2name($part->{type}), ")");
+ log::l("formatting device $dev (type ", type2name($part->{type}), ")");
if (isExt2($part)) {
push @options, "-F" if isLoopback($part);
push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
- format_ext2($part->{device}, @options);
+ format_ext2($dev, @options);
} elsif (isThisFs("ext3", $part)) {
push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
- format_ext3($part->{device}, @options);
+ format_ext3($dev, @options);
} elsif (isThisFs("reiserfs", $part)) {
- format_reiserfs($part->{device}, @options, if_(c::kernel_version() =~ /^\Q2.2/, "-v", "1"));
+ format_reiserfs($dev, @options, if_(c::kernel_version() =~ /^\Q2.2/, "-v", "1"));
} elsif (isThisFs("xfs", $part)) {
- format_xfs($part->{device}, @options);
+ format_xfs($dev, @options);
} elsif (isThisFs("jfs", $part)) {
- format_jfs($part->{device}, @options);
+ format_jfs($dev, @options);
} elsif (isDos($part)) {
- format_dos($part->{device}, @options);
+ format_dos($dev, @options);
} elsif (isWin($part)) {
- format_dos($part->{device}, @options, '-F', 32);
+ format_dos($dev, @options, '-F', 32);
} elsif (isThisFs('hfs', $part)) {
- format_hfs($part->{device}, @options, '-l', "Untitled");
+ format_hfs($dev, @options, '-l', "Untitled");
} elsif (isAppleBootstrap($part)) {
- format_hfs($part->{device}, @options, '-l', "bootstrap");
+ format_hfs($dev, @options, '-l', "bootstrap");
} elsif (isSwap($part)) {
my $check_blocks = grep { /^-c$/ } @options;
- swap::make($part->{device}, $check_blocks);
+ swap::make($dev, $check_blocks);
} else {
die _("I don't know how to format %s in type %s", $_->{device}, type2name($_->{type}));
}
@@ -535,6 +539,14 @@ sub format_part {
################################################################################
# mounting functions
################################################################################
+sub set_loop {
+ my ($part) = @_;
+ if (!$part->{real_device}) {
+ eval { modules::load('loop') };
+ $part->{real_device} = devices::set_loop(devices::make($part->{device}), $part->{encrypt_key}, $part->{options} =~ /encryption=(\w+)/);
+ }
+}
+
sub formatMount_part {
my ($part, $raids, $fstab, $prefix, $callback) = @_;
@@ -544,7 +556,9 @@ sub formatMount_part {
if (my $p = up_mount_point($part->{mntpoint}, $fstab)) {
formatMount_part($p, $raids, $fstab, $prefix, $callback) unless loopback::carryRootLoopback($part);
}
-
+ if ($part->{encrypt_key}) {
+ set_loop($part);
+ }
if ($part->{toFormat}) {
$callback->($part) if $callback;
format_part($raids, $part, $prefix);
@@ -662,14 +676,13 @@ sub mount_part {
} else {
$part->{mntpoint} or die "missing mount point for partition $part->{device}";
- my $dev = $part->{device};
my $mntpoint = ($prefix || '') . $part->{mntpoint};
- if (isLoopback($part)) {
- eval { modules::load('loop') };
- $dev = $part->{real_device} = devices::set_loop($part->{device}) || die;
+ if (isLoopback($part) || $part->{encrypt_key}) {
+ set_loop($part);
} elsif (loopback::carryRootLoopback($part)) {
$mntpoint = "/initrd/loopfs";
}
+ my $dev = $part->{real_device} || $part->{device};
mount($dev, $mntpoint, type2fs($part), $rdonly, $part->{options});
rmdir "$mntpoint/lost+found";
}
@@ -689,7 +702,7 @@ sub umount_part {
umount("/initrd/loopfs");
} else {
umount(($prefix || '') . $part->{mntpoint} || devices::make($part->{device}));
- c::del_loop(delete $part->{real_device}) if isLoopback($part);
+ devices::del_loop(delete $part->{real_device}) if $part->{real_device};
}
}
$part->{isMounted} = 0;
diff --git a/perl-install/fsedit.pm b/perl-install/fsedit.pm
index 9a3f0bb32..90554f509 100644
--- a/perl-install/fsedit.pm
+++ b/perl-install/fsedit.pm
@@ -416,6 +416,7 @@ sub suggest_part {
$part->{mntpoint} = $best->{mntpoint};
$part->{type} = $best->{type} if !(isTrueFS($best) && isTrueFS($part));
$part->{size} = computeSize($part, $best, $all_hds, $suggestions);
+ $part->{options} = $best->{options} if $best->{options};
1;
}
diff --git a/perl-install/install_any.pm b/perl-install/install_any.pm
index ab39349c4..5c797d1a0 100644
--- a/perl-install/install_any.pm
+++ b/perl-install/install_any.pm
@@ -787,7 +787,7 @@ sub getAndSaveAutoInstallFloppy {
fs::umount($mountdir);
rmdir $mountdir;
- c::del_loop($dev);
+ devices::del_loop($dev);
require commands;
commands::dd("if=$imagefile", "of=$where", "bs=1440", "count=1024");
unlink $imagefile;
diff --git a/perl-install/share/list b/perl-install/share/list
index 03297f105..c44614670 100644
--- a/perl-install/share/list
+++ b/perl-install/share/list
@@ -14,6 +14,7 @@
/sbin/tune2fs
/sbin/fdisk
/sbin/insmod
+/sbin/losetup
/sbin/mke2fs
/sbin/resize2fs
/sbin/dumpe2fs