Initial import

6 files changed, 109 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..e4a851664ecc
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,19 @@
+pkgbase = mkinitcpio-openswap
+	pkgdesc = mkinitcpio hook to open swap at boot time
+	pkgver = 0.0.0
+	pkgrel = 2
+	url = https://aur.archlinux.org/packages/mkinitcpio-openswap/
+	install = usage.install
+	arch = any
+	license = unknown
+	depends = mkinitcpio
+	backup = etc/openswap.conf
+	source = openswap.hook
+	source = openswap.install
+	source = openswap.conf
+	md5sums = a5b52e3c3b5dc592f41567b21ec2e9cf
+	md5sums = ae743e0fd95cc1c07705cf7c472416b1
+	md5sums = 8a72bf00f155512490884eb4911cc4f4
+
+pkgname = mkinitcpio-openswap
+
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..0c6a0f1cfe91
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,27 @@
+# Maintainer: Jenya Sovetkin <e.sovetkin@gmail.com>
+pkgname=mkinitcpio-openswap
+pkgver=0.0.0
+pkgrel=2
+pkgdesc="mkinitcpio hook to open swap at boot time"
+arch=(any)
+license=('unknown')
+url="https://aur.archlinux.org/packages/mkinitcpio-openswap/"
+depends=(mkinitcpio)
+backup=('etc/openswap.conf')
+install="usage.install"
+source=('openswap.hook'
+        'openswap.install'
+        'openswap.conf')
+md5sums=('a5b52e3c3b5dc592f41567b21ec2e9cf'
+         'ae743e0fd95cc1c07705cf7c472416b1'
+         '8a72bf00f155512490884eb4911cc4f4')
+
+
+package() {  
+  install -Dm 644 openswap.hook \
+     "${pkgdir}/usr/lib/initcpio/hooks/openswap"
+  install -Dm 644 openswap.install \
+     "${pkgdir}/usr/lib/initcpio/install/openswap"
+  install -Dm 644 openswap.conf \
+     "${pkgdir}/etc/openswap.conf"
+}
diff --git a/openswap.conf b/openswap.conf
new file mode 100644
index 000000000000..75382fc9f161
--- /dev/null
+++ b/openswap.conf
@@ -0,0 +1,11 @@
+## cryptsetup open $swap_device $crypt_swap_name
+swap_device=/dev/disk/by-uuid/2788eb78-074d-4424-9f1d-ebffc9c37262
+crypt_swap_name=cryptswap
+
+## one can optionally provide a keyfile device and path on this device
+## to the keyfile
+keyfile_device=/dev/mapper/cryptroot
+keyfile_filename=etc/keyfile-cryptswap
+
+## additional arguments are given to cryptsetup
+miscellaneous="--type luks"
\ No newline at end of file
diff --git a/openswap.hook b/openswap.hook
new file mode 100644
index 000000000000..24331482913f
--- /dev/null
+++ b/openswap.hook
@@ -0,0 +1,17 @@
+run_hook ()
+{
+    ## read openswap configurations
+    source openswap.conf
+    
+    if [ -z "$keyfile_device" ] || [ -z "$keyfile_filename" ]
+    then
+      ## case when no keyfile provided in configurations
+      cryptsetup open "$swap_device" "$crypt_swap_name"
+    else
+      ## case when keyfile is provided in configurations
+      mkdir openswap_keymount
+      mount "$keyfile_device" openswap_keymount
+      cryptsetup open $miscellaneous  --key-file "openswap_keymount/$keyfile_filename" "$swap_device" "$crypt_swap_name"
+      umount openswap_keymount
+    fi
+}
\ No newline at end of file
diff --git a/openswap.install b/openswap.install
new file mode 100644
index 000000000000..db04155fe4cc
--- /dev/null
+++ b/openswap.install
@@ -0,0 +1,26 @@
+build ()
+{
+    grep "swap_device="      /etc/openswap.conf  > "$BUILDROOT/openswap.conf"
+    grep "crypt_swap_name="  /etc/openswap.conf >> "$BUILDROOT/openswap.conf"
+    grep "keyfile_device="   /etc/openswap.conf >> "$BUILDROOT/openswap.conf"
+    grep "keyfile_filename=" /etc/openswap.conf >> "$BUILDROOT/openswap.conf"
+    grep "miscellaneous="    /etc/openswap.conf >> "$BUILDROOT/openswap.conf"
+
+    source "$BUILDROOT/openswap.conf"
+
+    if [ -z "$swap_device" ]; then
+      warning "swap_device variable is not set"
+    fi
+
+    if [ -z "$crypt_swap_name" ]; then
+      warning "crypt_swap_name variable is not set"
+    fi
+
+    add_runscript
+}
+help ()
+{
+cat<<HELPEOF
+  This hook opens a swap at boot time
+HELPEOF
+}
\ No newline at end of file
diff --git a/usage.install b/usage.install
new file mode 100644
index 000000000000..3610e9d28b43
--- /dev/null
+++ b/usage.install
@@ -0,0 +1,9 @@
+post_install() {
+	echo ""
+  echo "Alter /etc/openswap.conf file for your swap device name, keyfiles, etc..."
+  echo ""
+  echo "For more information see: https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#mkinitcpio_hook"
+  echo ""
+	echo "Don't forget to add the openswap hook after encrypt and before resume in your /etc/mkinitcpio.conf and run mkinitcpio -p linux..."
+	echo ""
+}