fix unnecessary dropbear key generation

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5354 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/dropbear/files/dropbear.init b/package/dropbear/files/dropbear.init
index 6f35672..2ea5472 100755 (executable)
--- a/package/dropbear/files/dropbear.init
+++ b/package/dropbear/files/dropbear.init
@@ -21,15 +21,15 @@ config_cb() {
        esac
 }
 
-start() {
+keygen() {
        for keytype in rsa dss; do
                # check for keys
-               key=/tmp/dropbear/dropbear_${keytype}_host_key
-               [ ! -f $key ] && {
+               key=dropbear/dropbear_${keytype}_host_key
+               [ -f /tmp/$key -o -f /etc/$key ] || {
                        # generate missing keys
                        mkdir -p /tmp/dropbear
                        [ -x /usr/bin/dropbearkey ] && {
-                               /usr/bin/dropbearkey -t $keytype -f $key 2>&- >&- && exec /etc/rc.common "$initscript" start
+                               /usr/bin/dropbearkey -t $keytype -f /etc/$key 2>&- >&- && exec /etc/rc.common "$initscript" start
                        } &
                exit 0
                }
@@ -39,9 +39,14 @@ start() {
        mkdir -p /etc/dropbear
        mv /tmp/dropbear/dropbear_* /etc/dropbear/
        lock -u /tmp/.switch2jffs
-       
        chown root /etc/dropbear
        chmod 0700 /etc/dropbear
+}
+
+start() {
+       [ -f /etc/dropbear/dropbear_rsa_host_key -a \
+         -f /etc/dropbear/dropbear_dss_host_key ] || keygen
+       
        config_load dropbear
        /usr/sbin/dropbear $DROPBEAR_ARGS
 }