X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/b1acaee34372be92b3f635bc30318a3dcca7bd4f..d6f0d4414c8fadc492c5aff041234905c50b124f:/package/busybox/files/telnet

diff --git a/package/busybox/files/telnet b/package/busybox/files/telnet
index 2fbbb2357..88f8af9d7 100755
--- a/package/busybox/files/telnet
+++ b/package/busybox/files/telnet
@@ -1,17 +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 	[ \! -f /etc/passwd ] || \
-		( awk -F: '/^root:/ && ($2 != "") && ($2 !~ /\!/) {exit 1}' /etc/passwd 2>/dev/null && \
-		awk -F: '/^root:/ && ($2 != "") && ($2 !~ /\!/) {exit 1}' /etc/shadow 2>/dev/null ) || \
-		( [ \! -x /usr/sbin/dropbear ] && [ \! -x /usr/sbin/sshd ] )
-	then \
+	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
 }
+