summaryrefslogtreecommitdiff
path: root/testing/cryptsetup
diff options
context:
space:
mode:
authorroot <root@rshg047.dnsready.net>2011-05-29 22:47:27 +0000
committerroot <root@rshg047.dnsready.net>2011-05-29 22:47:27 +0000
commitc399070d50c89903ec1dea55aa4aa5147a367565 (patch)
tree13b71e682dd1e75ccb4c76cfb39934288a7c184e /testing/cryptsetup
parenta0a7a3e16a1399233b436e64dba17a6cca315393 (diff)
Sun May 29 22:47:27 UTC 2011
Diffstat (limited to 'testing/cryptsetup')
-rw-r--r--testing/cryptsetup/PKGBUILD36
-rw-r--r--testing/cryptsetup/encrypt_hook131
-rw-r--r--testing/cryptsetup/encrypt_install27
3 files changed, 194 insertions, 0 deletions
diff --git a/testing/cryptsetup/PKGBUILD b/testing/cryptsetup/PKGBUILD
new file mode 100644
index 000000000..15d191ead
--- /dev/null
+++ b/testing/cryptsetup/PKGBUILD
@@ -0,0 +1,36 @@
+# $Id: PKGBUILD 125738 2011-05-28 17:14:11Z thomas $
+# Maintainer: Thomas Bächler <thomas@archlinux.org>
+pkgname=cryptsetup
+pkgver=1.3.1
+pkgrel=1
+pkgdesc="Userspace setup tool for transparent encryption of block devices using the Linux 2.6 cryptoapi"
+arch=(i686 x86_64)
+license=('GPL')
+url="http://code.google.com/p/cryptsetup/"
+groups=('base')
+depends=('device-mapper>=2.02.85-2' 'libgcrypt' 'popt')
+conflicts=('mkinitcpio<0.5.99')
+options=('!libtool' '!emptydirs')
+source=(http://cryptsetup.googlecode.com/files/${pkgname}-${pkgver}.tar.bz2
+ encrypt_hook
+ encrypt_install)
+sha256sums=('7ceb18a0c91fa1546077b41b93463dd2ec9d7f83e6fd93757fb84cc608206a6a'
+ '64601eae6fbf3e3afceccec5877557aa208a82497c33cc94ad0a686b4022b5dc'
+ '07918fc349b3a7c4a73e8ad1cc3d97a2a79ebc7655090ab9ebb00b1e092c85aa')
+
+build() {
+ cd $srcdir/$pkgname-${pkgver}
+ ./configure --prefix=/usr --disable-static --sbindir=/sbin --libdir=/lib
+ make
+}
+
+package() {
+ cd $srcdir/$pkgname-${pkgver}
+ make DESTDIR=$pkgdir install
+ # install hook
+ install -D -m644 $srcdir/encrypt_hook $pkgdir/lib/initcpio/hooks/encrypt
+ install -D -m644 $srcdir/encrypt_install $pkgdir/lib/initcpio/install/encrypt
+ # Fix pkgconfig location
+ install -d -m755 $pkgdir/usr/lib
+ mv $pkgdir/lib/pkgconfig $pkgdir/usr/lib/
+}
diff --git a/testing/cryptsetup/encrypt_hook b/testing/cryptsetup/encrypt_hook
new file mode 100644
index 000000000..e84bc6ed7
--- /dev/null
+++ b/testing/cryptsetup/encrypt_hook
@@ -0,0 +1,131 @@
+# vim: set ft=sh:
+# TODO this one needs some work to work with lots of different
+# encryption schemes
+run_hook ()
+{
+ /sbin/modprobe -a -q dm-crypt >/dev/null 2>&1
+ if [ -e "/sys/class/misc/device-mapper" ]; then
+ if [ ! -e "/dev/mapper/control" ]; then
+ /bin/mknod "/dev/mapper/control" c $(cat /sys/class/misc/device-mapper/dev | sed 's|:| |')
+ fi
+ [ "${quiet}" = "y" ] && CSQUIET=">/dev/null"
+
+ # Get keyfile if specified
+ ckeyfile="/crypto_keyfile.bin"
+ if [ "x${cryptkey}" != "x" ]; then
+ ckdev="$(echo "${cryptkey}" | cut -d: -f1)"
+ ckarg1="$(echo "${cryptkey}" | cut -d: -f2)"
+ ckarg2="$(echo "${cryptkey}" | cut -d: -f3)"
+ if poll_device "${ckdev}" ${rootdelay}; then
+ case ${ckarg1} in
+ *[!0-9]*)
+ # Use a file on the device
+ # ckarg1 is not numeric: ckarg1=filesystem, ckarg2=path
+ mkdir /ckey
+ mount -r -t ${ckarg1} ${ckdev} /ckey
+ dd if=/ckey/${ckarg2} of=${ckeyfile} >/dev/null 2>&1
+ umount /ckey
+ ;;
+ *)
+ # Read raw data from the block device
+ # ckarg1 is numeric: ckarg1=offset, ckarg2=length
+ dd if=${ckdev} of=${ckeyfile} bs=1 skip=${ckarg1} count=${ckarg2} >/dev/null 2>&1
+ ;;
+ esac
+ fi
+ [ ! -f ${ckeyfile} ] && echo "Keyfile could not be opened. Reverting to passphrase."
+ fi
+
+ if [ -n "${cryptdevice}" ]; then
+ DEPRECATED_CRYPT=0
+ cryptdev="$(echo "${cryptdevice}" | cut -d: -f1)"
+ cryptname="$(echo "${cryptdevice}" | cut -d: -f2)"
+ else
+ DEPRECATED_CRYPT=1
+ cryptdev="${root}"
+ cryptname="root"
+ fi
+
+ warn_deprecated() {
+ echo "The syntax 'root=${root}' where '${root}' is an encrypted volume is deprecated"
+ echo "Use 'cryptdevice=${root}:root root=/dev/mapper/root' instead."
+ }
+
+ if poll_device "${cryptdev}" ${rootdelay}; then
+ if /sbin/cryptsetup isLuks ${cryptdev} >/dev/null 2>&1; then
+ [ ${DEPRECATED_CRYPT} -eq 1 ] && warn_deprecated
+ dopassphrase=1
+ # If keyfile exists, try to use that
+ if [ -f ${ckeyfile} ]; then
+ if eval /sbin/cryptsetup --key-file ${ckeyfile} luksOpen ${cryptdev} ${cryptname} ${CSQUIET}; then
+ dopassphrase=0
+ else
+ echo "Invalid keyfile. Reverting to passphrase."
+ fi
+ fi
+ # Ask for a passphrase
+ if [ ${dopassphrase} -gt 0 ]; then
+ echo ""
+ echo "A password is required to access the ${cryptname} volume:"
+
+ #loop until we get a real password
+ while ! eval /sbin/cryptsetup luksOpen ${cryptdev} ${cryptname} ${CSQUIET}; do
+ sleep 2;
+ done
+ fi
+ if [ -e "/dev/mapper/${cryptname}" ]; then
+ if [ ${DEPRECATED_CRYPT} -eq 1 ]; then
+ export root="/dev/mapper/root"
+ fi
+ else
+ err "Password succeeded, but ${cryptname} creation failed, aborting..."
+ exit 1
+ fi
+ elif [ -n "${crypto}" ]; then
+ [ ${DEPRECATED_CRYPT} -eq 1 ] && warn_deprecated
+ msg "Non-LUKS encrypted device found..."
+ if [ $# -ne 5 ]; then
+ err "Verify parameter format: crypto=hash:cipher:keysize:offset:skip"
+ err "Non-LUKS decryption not attempted..."
+ return 1
+ fi
+ exe="/sbin/cryptsetup create ${cryptname} ${cryptdev}"
+ tmp=$(echo "${crypto}" | cut -d: -f1)
+ [ -n "${tmp}" ] && exe="${exe} --hash \"${tmp}\""
+ tmp=$(echo "${crypto}" | cut -d: -f2)
+ [ -n "${tmp}" ] && exe="${exe} --cipher \"${tmp}\""
+ tmp=$(echo "${crypto}" | cut -d: -f3)
+ [ -n "${tmp}" ] && exe="${exe} --key-size \"${tmp}\""
+ tmp=$(echo "${crypto}" | cut -d: -f4)
+ [ -n "${tmp}" ] && exe="${exe} --offset \"${tmp}\""
+ tmp=$(echo "${crypto}" | cut -d: -f5)
+ [ -n "${tmp}" ] && exe="${exe} --skip \"${tmp}\""
+ if [ -f ${ckeyfile} ]; then
+ exe="${exe} --key-file ${ckeyfile}"
+ else
+ exe="${exe} --verify-passphrase"
+ echo ""
+ echo "A password is required to access the ${cryptname} volume:"
+ fi
+ eval "${exe} ${CSQUIET}"
+
+ if [ $? -ne 0 ]; then
+ err "Non-LUKS device decryption failed. verify format: "
+ err " crypto=hash:cipher:keysize:offset:skip"
+ exit 1
+ fi
+ if [ -e "/dev/mapper/${cryptname}" ]; then
+ if [ ${DEPRECATED_CRYPT} -eq 1 ]; then
+ export root="/dev/mapper/root"
+ fi
+ else
+ err "Password succeeded, but ${cryptname} creation failed, aborting..."
+ exit 1
+ fi
+ else
+ err "Failed to open encryption mapping: The device ${cryptdev} is not a LUKS volume and the crypto= paramater was not specified."
+ fi
+ fi
+ rm -f ${ckeyfile}
+ fi
+}
diff --git a/testing/cryptsetup/encrypt_install b/testing/cryptsetup/encrypt_install
new file mode 100644
index 000000000..25a2ae45c
--- /dev/null
+++ b/testing/cryptsetup/encrypt_install
@@ -0,0 +1,27 @@
+# vim: set ft=sh:
+
+install ()
+{
+ if [ -z "${CRYPTO_MODULES}" ]; then
+ MODULES=" dm-crypt $(all_modules "/crypto/") "
+ else
+ MODULES=" dm-crypt ${CRYPTO_MODULES} "
+ fi
+ FILES=""
+ SCRIPT="encrypt"
+ add_dir "/dev/mapper"
+ [ -f "/sbin/cryptsetup" ] && add_binary "/sbin/cryptsetup" "/sbin/cryptsetup"
+ [ -f "/usr/sbin/cryptsetup" ] && add_binary "/usr/sbin/cryptsetup" "/sbin/cryptsetup"
+ add_binary "/sbin/dmsetup"
+ add_file "/lib/udev/rules.d/10-dm.rules"
+ add_file "/lib/udev/rules.d/13-dm-disk.rules"
+ add_file "/lib/udev/rules.d/95-dm-notify.rules"
+ add_file "/lib/initcpio/udev/11-dm-initramfs.rules" "/lib/udev/rules.d/11-dm-initramfs.rules"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook allows for an encrypted root device.
+HELPEOF
+}