Disabling persistent-encryption=luks if dependencies are unavailable.

[live-boot-grml.git] / scripts / live

diff --git a/scripts/live b/scripts/live
index e0663b6..688c0a7 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -391,6 +391,23 @@ Arguments ()
                export UNIONTYPE
        fi
 
+       if [ "${PERSISTENT_ENCRYPTION}" = "luks" ]
+       then
+               if ! modprobe dm-crypt
+               then
+                       log_warning_msg "Unable to load module dm-crypt"
+                       PERSISTENT_ENCRYPTION="none"
+                       export PERSISTENT_ENCRYPTION
+               fi
+
+               if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
+               then
+                       log_warning_msg "cryptsetup in unavailable"
+                       PERSISTENT_ENCRYPTION="none"
+                       export PERSISTENT_ENCRYPTION
+               fi
+       fi
+
        if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_METHOD}" ]
        then
                PERSISTENT_METHOD="snapshot,overlay"