#!/bin/sh
# Copyright (c) 2000-2012 Synology Inc. All rights reserved.

SSHPidFile='/var/run/sshd.pid'
SupportSSH=`/bin/get_key_value /etc.defaults/synoinfo.conf supportssh` || true
SSHKEYGEN="/usr/bin/ssh-keygen"
SSHDUtils="/usr/syno/bin/synosshdutils"
SSHD="/usr/bin/sshd"
SSHDefaultPort=22

ReferKeyShell="shell"
ReferProcShell="pts"
ReferKeySFTP="sftpd"
ReferProcSFTP="internal-sftp"
ReferKeyRsync="rsync"
ReferProcRsync="rsync"

GenerateSSHKey() 
{                                                              
        if [ -x "$SSHKEYGEN" ]; then
        	if [ ! -d /etc/ssh ]; then
        		mkdir -p /etc/ssh
        	fi
        	if [ ! -f /etc/ssh/ssh_host_key ]; then
        		echo ' creating ssh1 RSA host key';
        		$SSHKEYGEN -t rsa1 -N "" -f /etc/ssh/ssh_host_key || true
        	fi
        	if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
        		echo ' creating ssh2 RSA host key';
        		$SSHKEYGEN -t rsa -N "" -f /etc/ssh/ssh_host_rsa_key || true
        	fi
        	if [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
        		echo ' creating ssh2 DSA host key';
        		$SSHKEYGEN -t dsa -N "" -f /etc/ssh/ssh_host_dsa_key || true
        	fi
        	if [ ! -f /etc/ssh/ssh_host_ecdsa_key ]; then
        		echo ' creating ssh2 ECDSA host key';
        		$SSHKEYGEN -t ecdsa -N "" -f /etc/ssh/ssh_host_ecdsa_key || true
        	fi
        	if [ ! -f /etc/ssh/ssh_host_ed25519_key ]; then
        		echo ' creating ssh2 Ed25519 host key';
        		$SSHKEYGEN -t ed25519 -N "" -f /etc/ssh/ssh_host_ed25519_key || true
        	fi
        fi
}      


IsPidRunning() 
{                                                              
	if [ -f "$1" ]; then
		kill -0 `cat $1` || true
		if [ $? = 0 ]; then
			return 1;
		fi
	fi
        return 0;
}

IsSSHDAlive()
{
	if [ "0" != "`ps | grep /usr/bin/sshd | grep -vc grep`" ] ; then
		return $LSB_STAT_RUNNING
	else
		return $LSB_STAT_NOT_RUNNING
	fi
}