image.bbclass: tweak the key location for dropbear when rootfs is readonly

In the same way it's done for openssh.

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 9fbdce583cc31994b0921a2d24098578a2f7448e..d2f8105f1315c767b02c2841a0e4e2142cc6ceaf 100644 (file)
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -251,6 +251,17 @@ read_only_rootfs_hook () {
                        echo "SSHD_OPTS='-f /etc/ssh/sshd_config_readonly'" >> ${IMAGE_ROOTFS}/etc/default/ssh
                fi
        fi
+
+       # Also tweak the key location for dropbear in the same way.
+       if [ -d ${IMAGE_ROOTFS}/etc/dropbear ]; then
+               if [ -e ${IMAGE_ROOTFS}/etc/dropbear/dropbear_rsa_host_key ]; then
+                       echo "DROPBEAR_RSAKEY_DIR=/etc/dropbear" >> ${IMAGE_ROOTFS}/etc/default/dropbear
+               else
+                       echo "DROPBEAR_RSAKEY_DIR=/var/lib/dropbear" >> ${IMAGE_ROOTFS}/etc/default/dropbear
+               fi
+       fi
+
+
        if ${@bb.utils.contains("DISTRO_FEATURES", "sysvinit", "true", "false", d)}; then
                # Change the value of ROOTFS_READ_ONLY in /etc/default/rcS to yes
                if [ -e ${IMAGE_ROOTFS}/etc/default/rcS ]; then