From d196b1fc2eddf7cbab4351452b6fc9b41f15b142 Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Mon, 7 Sep 2015 19:29:25 +0000
Subject: 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/Config-defaults.in |  8 +++----
 package/utils/busybox/Makefile           |  1 -
 package/utils/busybox/files/telnet       | 38 --------------------------------
 3 files changed, 4 insertions(+), 43 deletions(-)
 delete mode 100755 package/utils/busybox/files/telnet

(limited to 'package/utils')

diff --git a/package/utils/busybox/Config-defaults.in b/package/utils/busybox/Config-defaults.in
index 7b4cd99..d961bfa 100644
--- a/package/utils/busybox/Config-defaults.in
+++ b/package/utils/busybox/Config-defaults.in
@@ -2187,19 +2187,19 @@ config BUSYBOX_DEFAULT_TCPSVD
 	default n
 config BUSYBOX_DEFAULT_TELNET
 	bool
-	default y
+	default n
 config BUSYBOX_DEFAULT_FEATURE_TELNET_TTYPE
 	bool
-	default y
+	default n
 config BUSYBOX_DEFAULT_FEATURE_TELNET_AUTOLOGIN
 	bool
 	default n
 config BUSYBOX_DEFAULT_TELNETD
 	bool
-	default y
+	default n
 config BUSYBOX_DEFAULT_FEATURE_TELNETD_STANDALONE
 	bool
-	default y
+	default n
 config BUSYBOX_DEFAULT_FEATURE_TELNETD_INETD_WAIT
 	bool
 	default n
diff --git a/package/utils/busybox/Makefile b/package/utils/busybox/Makefile
index 9571d48..a65f44f 100644
--- a/package/utils/busybox/Makefile
+++ b/package/utils/busybox/Makefile
@@ -110,7 +110,6 @@ define Package/busybox/install
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(CP) $(PKG_INSTALL_DIR)/* $(1)/
 	$(INSTALL_BIN) ./files/cron $(1)/etc/init.d/cron
-	$(INSTALL_BIN) ./files/telnet $(1)/etc/init.d/telnet
 	$(INSTALL_BIN) ./files/sysntpd $(1)/etc/init.d/sysntpd
 	$(INSTALL_BIN) ./files/ntpd-hotplug $(1)/usr/sbin/ntpd-hotplug
 	-rm -rf $(1)/lib64
diff --git a/package/utils/busybox/files/telnet b/package/utils/busybox/files/telnet
deleted file mode 100755
index a1d1cdf..0000000
--- a/package/utils/busybox/files/telnet
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2006-2011 OpenWrt.org
-
-START=50
-
-USE_PROCD=1
-PROG=/usr/sbin/telnetd
-
-has_root_pwd() {
-	local pwd=$([ -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
-}
-- 
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