#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2010 OpenWrt.org

START=60

. /lib/functions/network.sh

useradd()
{
	local user
	local password
	config_get user $1 user
	config_get password $1 password
	adduser $user -s /bin/false -D -H -h  /mnt/$user
	/bin/smbpasswd $user $password
}


purgepasswd()
{
	for us in `grep mnt /etc/passwd | cut -d":" -f1`; do
		deluser $us
	done
}
purgesmbpasswd()
{
	rm -rf /etc/samba/smbpasswd
	touch /etc/samba/smbpasswd
}

smb_header() {
	local name
	local workgroup
	local description
	local homes
	local interfaces
	local ifaces=""
	local dev

	config_get name $1 name
	config_get workgroup $1 workgroup
	config_get description $1 description
	config_get homes $1 homes
	config_get interfaces $1 interfaces

	[ -z "$name" ] && name=openwrt
	[ -z "$workgroup" ] && workgroup=openwrt
	[ -z "$description" ] && description=openwrt

	cp /etc/samba/smb.conf.template /tmp/smb.conf
	[ -L /etc/samba/smb.conf ] || ln -nsf /tmp/smb.conf /etc/samba/smb.conf
	sed -i "s/|NAME|/$name/g" /tmp/smb.conf
	sed -i "s/|WORKGROUP|/$workgroup/g" /tmp/smb.conf
	sed -i "s/|DESCRIPTION|/$description/g" /tmp/smb.conf
	[ "$homes" == "1" ] && {
		echo -e "\n[homes]\n\tcomment = Home Directories\n\tbrowseable = no\n\tread only = no\n\tcreate mode = 0750" >> /tmp/smb.conf
	}

	if [ -n "$interfaces" ]; then
		for ifc in $interfaces; do
			network_get_device dev $ifc
			ifaces="$ifaces $dev"
		done
		sed -i "s/interfaces = .*/interfaces = $ifaces/g" /tmp/smb.conf
		sed -i "s/bind interfaces only = .*/bind interfaces only = yes/g" /tmp/smb.conf
	else
		# exit if no interface is selected; samba will not start
		exit
	fi
}

smb_add_share() {
	local name
	local path
	local dirpath
	local users
	local read_only
	local guest_ok
	local create_mask
	local dir_mask

	config_get name $1 name
	config_get path $1 path
	config_get dirpath $1 dirpath
	config_get users $1 users
	config_get read_only $1 read_only
	config_get guest_ok $1 guest_ok
	config_get create_mask $1 create_mask
	config_get dir_mask $1 dir_mask

	[ -z "$name" -o -z "$path" ] && return

	echo -e "\n[$name]\n\tpath = $path$dirpath" >> /tmp/smb.conf
	[ -n "$users" ] && echo -e "\tvalid users = $users" >> /tmp/smb.conf
	[ -n "$read_only" ] && echo -e "\tread only = $read_only" >> /tmp/smb.conf
	[ -n "$guest_ok" ] && echo -e "\tguest ok = $guest_ok" >> /tmp/smb.conf
	[ -n "$create_mask" ] && echo -e "\tcreate mask = $create_mask" >> /tmp/smb.conf
	[ -n "$dir_mask" ] && echo -e "\tdirectory mask = $dir_mask" >> /tmp/smb.conf
}

start() {
	config_load samba
	config_foreach useradd sambausers
	config_foreach smb_header samba
	config_foreach smb_add_share sambashare
	service_start /bin/smbd -D
	service_start /bin/nmbd -D
}

stop() {
	service_stop /bin/smbd
	service_stop /bin/nmbd
	purgepasswd
	purgesmbpasswd
}