#!/bin/bash

# test for an up interface != lo
if test "x"`ifconfig | cut -d ' ' -f 1 | grep -v '^$' | grep -v lo` = "x"; then
	echo "There is no up interface, you can try to execute 'drvinst' to find drivers and 'dhcp-client' to configure your interface for DHCP." >&2
	exit 5
fi

# generate host keys
mkdir -p /etc/dropbear
[[ -f /etc/dropbear/dropbear_dss_host_key ]] || dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key >/dev/null || { echo "Can't generate dsa host key" >&2 ; exit 4; }
[[ -f /etc/dropbear/dropbear_rsa_host_key ]] || dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key >/dev/null || { echo "Can't generate rsa host key" >&2 ; exit 3; }

# set a password
passwd=`genpasswd`
if (( $? != 0 )); then
	reset
	exit $?
fi
sed -E -i -e 's/^root:[^:]*:/root:'"${passwd//\//\\/}"':/' /etc/passwd || { echo "Can't set password" >&2 ; exit 2; }

# test for /dev/pts
grep '^devpts /dev/pts devpts ' /proc/mounts >/dev/null 2>/dev/null || mount -t devpts devpts /dev/pts

echo ""
echo -n "Starting ssh daemon... "
dropbear -E 2>/var/log/dropbear.log && echo "OK" || { echo "Failed" ; exit 1; }