--- /usr/sbin/webapp-config.old	2005-09-24 15:16:37.704322136 +0200
+++ /usr/sbin/webapp-config	2005-09-24 15:53:46.948144808 +0200
@@ -1583,16 +1583,21 @@
 
 	# make sure that the user and group are setup and working
 	#
-	# using 'id' means that we can only accept usernames and
-	# group names.  UIDs and GIDs aren't supported by id(1)
-
-	libsh_everbose libsh_einfo "Checking that the username:group '$G_CONFIG_UID:$G_CONFIG_GID' is valid"
-
-	if ! $(getent passwd | grep -q "$G_CONFIG_UID" > /dev/null 2>&1) ; then
-		libsh_edie "'$G_CONFIG_UID' is not a valid username"
-	fi
-	if ! $(getent group | grep -q "$G_CONFIG_GID" > /dev/null 2>&1) ; then
-		libsh_edie "'$G_CONFIG_GID' is not a valid group name"
+    
+    # dispatch on type ;) but you can't mix names and numbers
+    if [[ "$G_CONFIG_UID" = *[^0-9]* ]];then 
+        FNUM=1;
+        libsh_everbose libsh_einfo "Checking that the username:group '$G_CONFIG_UID:$G_CONFIG_GID' are valid" 
+    else 
+        FNUM=3; 
+        libsh_everbose libsh_einfo "Checking that the uid:gid numbers '$G_CONFIG_UID:$G_CONFIG_GID' are valid"
+        fi
+    #echo $FNUM
+    if [ -z "$(getent passwd | cut -d':' -f $FNUM | grep -w "$G_CONFIG_UID")" ]; then
+        libsh_edie "'$G_CONFIG_UID' is not a valid username/user id"
+    fi
+	if [ -z "$(getent group | cut -d':' -f $FNUM | grep -w "$G_CONFIG_GID")" ]; then
+		libsh_edie "'$G_CONFIG_GID' is not a valid group name/ group id"
 	fi
 
 	if [ "$( basename \"$G_INSTALLDIR\" )" = "htdocs" ] ; then