Disable telnet in favor of passwordless SSH

This enables passworldless login for root via SSH whenever no root
password is set (e.g. after reset, flashing without keeping config
or in failsafe) and removes telnet support alltogether.

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 46809

package/utils/busybox/files/telnet

@@ -1,38 +0,0 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2006-2011 OpenWrt.org
-
-START=50
-
-USE_PROCD=1
-PROG=/usr/sbin/telnetd
-
-has_root_pwd() {
-	local pwd=$([ -f "$1" ] && cat "$1")
-	      pwd="${pwd#*root:}"
-	      pwd="${pwd%%:*}"
-
-	test -n "${pwd#[\!x]}"
-}
-
-get_root_home() {
-	local homedir=$([ -f "$1" ] && cat "$1")
-	homedir="${homedir#*:*:0:0:*:}"
-
-	echo "${homedir%%:*}"
-}
-
-has_ssh_pubkey() {
-	( /etc/init.d/dropbear enabled 2> /dev/null && grep -qs "^ssh-" /etc/dropbear/authorized_keys ) || \
-	( /etc/init.d/sshd enabled 2> /dev/null && grep -qs "^ssh-" "$(get_root_home /etc/passwd)"/.ssh/authorized_keys )
-}
-
-start_service() {
-	if ( ! has_ssh_pubkey && \
-	     ! has_root_pwd /etc/passwd && ! has_root_pwd /etc/shadow ) || \
-	   ( ! /etc/init.d/dropbear enabled 2> /dev/null && ! /etc/init.d/sshd enabled 2> /dev/null );
-	then
-		procd_open_instance
-		procd_set_param command "$PROG" -F -l /bin/login.sh
-		procd_close_instance
-	fi
-}