Initial commit

files/initramfs/crypt_unlock.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+PREREQ="dropbear"
+
+prereqs() {
+echo "$PREREQ"
+}
+
+case "$1" in
+prereqs)
+prereqs
+exit 0
+;;
+esac
+
+. "${CONFDIR}/initramfs.conf"
+. /usr/share/initramfs-tools/hook-functions
+
+if [ "${DROPBEAR}" != "n" ] && [ -r "/etc/crypttab" ] ; then
+cat > "${DESTDIR}/bin/unlock" << EOF
+#!/bin/sh
+if PATH=/lib/unlock:/bin:/sbin /scripts/local-top/cryptroot; then
+kill \`ps | grep cryptroot | grep -v "grep" | awk '{print \$1}'\`
+# following line kill the remote shell right after the passphrase has
+# been entered.
+kill -9 \`ps | grep "\-sh" | grep -v "grep" | awk '{print \$1}'\`
+exit 0
+fi
+exit 1
+EOF
+
+chmod 755 "${DESTDIR}/bin/unlock"
+
+mkdir -p "${DESTDIR}/lib/unlock"
+cat > "${DESTDIR}/lib/unlock/plymouth" << EOF
+#!/bin/sh
+[ "\$1" == "--ping" ] && exit 1
+/bin/plymouth "\$@"
+EOF
+
+chmod 755 "${DESTDIR}/lib/unlock/plymouth"
+
+echo To unlock root-partition run "unlock" >> ${DESTDIR}/etc/motd
+
+fi