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-rwxr-xr-xsys-boot/myinitramfs/files/gen.sh22
-rwxr-xr-xsys-boot/myinitramfs/files/init.enc6
-rwxr-xr-xsys-boot/myinitramfs/files/initramfs_password6
3 files changed, 27 insertions, 7 deletions
diff --git a/sys-boot/myinitramfs/files/gen.sh b/sys-boot/myinitramfs/files/gen.sh
index 958b974..136f7ff 100755
--- a/sys-boot/myinitramfs/files/gen.sh
+++ b/sys-boot/myinitramfs/files/gen.sh
@@ -8,19 +8,29 @@ cd "$(dirname "$(readlink -f "$0")")"
LIST="$(mktemp)"
+add_exec() {
+ P="$(which "$1")"
+ echo "# $EXE" >> "$LIST"
+ echo "file $P $P 755 0 0" >> "$LIST"
+ ldd "$P" | awk '{ print $3 }' | sed -n '/^[^ ]\+$/p' | while read -r LIB; do
+ echo "file $LIB $LIB 755 0 0" >> "$LIST"
+ done
+}
+
# Base list
cp baselist "$LIST"
# Init script
echo "file /init ./init.enc 755 0 0" >> "$LIST"
echo >> "$LIST"
+# Executables required when USE_DMI
+if [ -n "$USE_DMI" ]; then
+ echo "file /sbin/initramfs_password ./initramfs_password 755 0 0" >> "$LIST"
+ add_exec dmidecode
+ add_exec sha512sum
+fi
# Executables
while read -r EXE; do
- P="$(which "$EXE")"
- echo "# $EXE" >> "$LIST"
- echo "file $P $P 755 0 0" >> "$LIST"
- ldd "$P" | awk '{ print $3 }' | sed -n '/^[^ ]\+$/p' | while read -r LIB; do
- echo "file $LIB $LIB 755 0 0" >> "$LIST"
- done
+ add_exec "$EXE"
done <exelist
# Buld initramfs
diff --git a/sys-boot/myinitramfs/files/init.enc b/sys-boot/myinitramfs/files/init.enc
index b1cd3a2..0514508 100755
--- a/sys-boot/myinitramfs/files/init.enc
+++ b/sys-boot/myinitramfs/files/init.enc
@@ -83,7 +83,11 @@ root="$(blkid | awk -v uuid="UUID=\"$uuid\"" '$2 == uuid { gsub(/:$/,"",$1); pri
[ -e "$root" ] || fail "Root not located!"
echo -e "${C_GREEN}Unlocking root...${C_NO}"
-cryptsetup open "$root" encroot || fail "Unlocking root failed! /proc/cmdline=$(cat /proc/cmdline)"
+if command -v initramfs_password >/dev/null; then
+ initramfs_password | cryptsetup open --key-file=- "$root" encroot
+else
+ cryptsetup open "$root" encroot
+fi || fail "Unlocking root failed! /proc/cmdline=$(cat /proc/cmdline)"
echo -e "${C_GREEN}Mounting root...${C_NO}"
mount -t btrfs -o "$rootflags" /dev/mapper/encroot /mnt/root \
diff --git a/sys-boot/myinitramfs/files/initramfs_password b/sys-boot/myinitramfs/files/initramfs_password
new file mode 100755
index 0000000..8ad64bb
--- /dev/null
+++ b/sys-boot/myinitramfs/files/initramfs_password
@@ -0,0 +1,6 @@
+#!/bin/sh
+{
+ dmidecode -s system-uuid
+ dmidecode -s baseboard-serial-number
+ dmidecode -s processor-version
+} | sha512sum | cut -f1 -d ' '