X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6f447d09dfa4c4ee2321f327c5b62e79db3f9173..e9c2d71d9206568fa901119d1ed697915aa539f3:/package/busybox/files/telnet?ds=inline 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 } +