X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6f447d09dfa4c4ee2321f327c5b62e79db3f9173..3c4461a2c9e1a31227ec6a9a7e48e63f437ab182:/package/busybox/files/telnet

diff --git a/package/busybox/files/telnet b/package/busybox/files/telnet
index c994c6052..88f8af9d7 100755
--- a/package/busybox/files/telnet
+++ b/package/busybox/files/telnet
@@ -1,10 +1,37 @@
 #!/bin/sh /etc/rc.common
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2011 OpenWrt.org
+START=50
+
+has_root_pwd() {
+	local pwd=$([ -f "$1" ] && cat "$1")
+	      pwd="${pwd#*root:}"
+	      pwd="${pwd%%:*}"
+
+	test -n "${pwd#!}"
+}
+
+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() {
-	if awk -F: '/^root:/ && $2 !~ /\!/ {exit 1}' /etc/passwd 2>/dev/null && [ -x /usr/sbin/dropbear ]; then telnetd -l /bin/login; fi
+	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
+		telnetd -l /bin/login.sh
+	fi
 }
 
 stop() {
-	killall telnetd
+	killall telnetd 2>/dev/null
 }
+