#!/bin/sh /etc/rc.common
# Copyright (C) 2008 Alina Friedrichsen
# Copyright (C) 2011 OpenWrt.org

START=50

SERVICE_USE_PID=1

siproxd_bin="/usr/sbin/siproxd"
siproxd_conf_dir="/var/etc"
siproxd_conf_prefix="$siproxd_conf_dir/siproxd-"
siproxd_registration_dir="/var/lib/siproxd"
siproxd_pid_dir="/var/run/siproxd"

deal_with_lists () {
	echo "$2" = "$1" >> "$siproxd_conf_prefix$cfg"
}

start_instance() {
	local cfg="$1"

	config_get if_inbound "$cfg" if_inbound
	config_get if_outbound "$cfg" if_outbound
	config_get host_outbound "$cfg" host_outbound
	config_get hosts_allow_reg "$cfg" hosts_allow_reg
	config_get hosts_allow_sip "$cfg" hosts_allow_sip
	config_get hosts_deny_sip "$cfg" hosts_deny_sip
	config_get sip_listen_port "$cfg" sip_listen_port 5060
	config_get_bool daemonize "$cfg" daemonize 1
	config_get silence_log "$cfg" silence_log 4
	config_get user "$cfg" user nobody
	config_get chrootjail "$cfg" chrootjail
	config_get registration_file "$cfg" registration_file "$siproxd_registration_dir/siproxd_registrations-$cfg"
	config_get autosave_registrations "$cfg" autosave_registrations 300
	config_get pid_file "$cfg" pid_file "$siproxd_pid_dir/siproxd-$cfg.pid"
	config_get_bool rtp_proxy_enable "$cfg" rtp_proxy_enable 1
	config_get rtp_port_low "$cfg" rtp_port_low 7070
	config_get rtp_port_high "$cfg" rtp_port_high 7089
	config_get rtp_timeout "$cfg" rtp_timeout 300
	config_get rtp_dscp "$cfg" rtp_dscp 46
	config_get sip_dscp "$cfg" sip_dscp 0
	config_get rtp_input_dejitter "$cfg" rtp_input_dejitter 0
	config_get rtp_output_dejitter "$cfg" rtp_output_dejitter 0
	config_get tcp_timeout "$cfg" tcp_timeout 600
	config_get tcp_connect_timeout "$cfg" tcp_connect_timeout 500
	config_get tcp_keepalive "$cfg" tcp_keepalive 20
	config_get default_expires "$cfg" default_expires 600
	config_get proxy_auth_realm "$cfg" proxy_auth_realm
	config_get proxy_auth_passwd "$cfg" proxy_auth_passwd
	config_get proxy_auth_pwfile "$cfg" proxy_auth_pwfile
	config_get debug_level "$cfg" debug_level 0x00000000
	config_get debug_port "$cfg" debug_port 0
	config_get mask_host "$cfg" mask_host
	config_get masked_host "$cfg" masked_host
	config_get ua_string "$cfg" ua_string Siproxd-UA
	config_get use_rport "$cfg" use_rport 0
	config_get outbound_proxy_host "$cfg" outbound_proxy_host
	config_get outbound_proxy_port "$cfg" outbound_proxy_port
	config_get outbound_domain_name "$cfg" outbound_domain_name
	config_get outbound_domain_host "$cfg" outbound_domain_host
	config_get outbound_domain_port "$cfg" outbound_domain_port

	if [ -f "$siproxd_conf_prefix$cfg" ]; then
		rm "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$if_inbound" ]; then
		echo if_inbound = "$if_inbound" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$if_outbound" ]; then
		echo if_outbound = "$if_outbound" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$host_outbound" ]; then
		echo host_outbound = "$host_outbound" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$hosts_allow_reg" ]; then
		echo hosts_allow_reg = "$hosts_allow_reg" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$hosts_allow_sip" ]; then
		echo hosts_allow_sip = "$hosts_allow_sip" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$hosts_deny_sip" ]; then
		echo hosts_deny_sip = "$hosts_deny_sip" >> "$siproxd_conf_prefix$cfg"
	fi
	echo sip_listen_port = "$sip_listen_port" >> "$siproxd_conf_prefix$cfg"
	echo daemonize = "$daemonize" >> "$siproxd_conf_prefix$cfg"
	echo silence_log = "$silence_log" >> "$siproxd_conf_prefix$cfg"
	echo user = "$user" >> "$siproxd_conf_prefix$cfg"
	if [ -n "$chrootjail" ]; then
		if [ ! -d "$chrootjail" ]; then
			mkdir -p "$chrootjail"
			chmod 0755 "$chrootjail"
		fi
		echo chrootjail = "$chrootjail" >> "$siproxd_conf_prefix$cfg"
	fi
	echo registration_file = "$registration_file" >> "$siproxd_conf_prefix$cfg"
	echo autosave_registrations = "$autosave_registrations" >> "$siproxd_conf_prefix$cfg"

	echo pid_file = "$pid_file" >> "$siproxd_conf_prefix$cfg"
	echo rtp_proxy_enable = "$rtp_proxy_enable" >> "$siproxd_conf_prefix$cfg"
	echo rtp_port_low = "$rtp_port_low" >> "$siproxd_conf_prefix$cfg"
	echo rtp_port_high = "$rtp_port_high" >> "$siproxd_conf_prefix$cfg"
	echo rtp_timeout = "$rtp_timeout" >> "$siproxd_conf_prefix$cfg"
	echo rtp_dscp = "$rtp_dscp" >> "$siproxd_conf_prefix$cfg"
	echo sip_dscp = "$sip_dscp" >> "$siproxd_conf_prefix$cfg"
	echo rtp_input_dejitter = "$rtp_input_dejitter" >> "$siproxd_conf_prefix$cfg"
	echo rtp_output_dejitter = "$rtp_output_dejitter" >> "$siproxd_conf_prefix$cfg"
	echo tcp_timeout = "$tcp_timeout" >> "$siproxd_conf_prefix$cfg"
	echo tcp_connect_timeout = "$tcp_connect_timeout" >> "$siproxd_conf_prefix$cfg"
	echo tcp_keepalive = "$tcp_keepalive" >> "$siproxd_conf_prefix$cfg"
	echo default_expires = "$default_expires" >> "$siproxd_conf_prefix$cfg"
	if [ -n "$proxy_auth_realm" ]; then
		echo proxy_auth_realm = "$proxy_auth_realm" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$proxy_auth_passwd" ]; then
		echo proxy_auth_passwd = "$proxy_auth_passwd" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$proxy_auth_pwfile" ]; then
		echo proxy_auth_pwfile = "$proxy_auth_pwfile" >> "$siproxd_conf_prefix$cfg"
	fi
	echo debug_level = "$debug_level" >> "$siproxd_conf_prefix$cfg"
	echo debug_port = "$debug_port" >> "$siproxd_conf_prefix$cfg"
	if [ -n "$mask_host" ]; then
		echo mask_host = "$mask_host" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$masked_host" ]; then
		echo masked_host = "$masked_host" >> "$siproxd_conf_prefix$cfg"
	fi
	echo ua_string = "$ua_string" >> "$siproxd_conf_prefix$cfg"
	echo use_rport = "$use_rport" >> "$siproxd_conf_prefix$cfg"
	if [ -n "$outbound_proxy_host" ]; then
		echo oubound_proxy_host = "$outbound_proxy_host" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$outbound_proxy_port" ]; then
		echo outbound_proxy_port = "$outbound_proxy_port" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$outbound_domain_name" ]; then
		echo outbound_domain_name = "$outbound_domain_name" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$outbound_domain_host" ]; then
		echo outbound_domain_host = "$outbound_domain_host" >> "$siproxd_conf_prefix$cfg"
	fi
	if [ -n "$outbound_domain_port" ]; then
		echo outbound_domain_port = "$outbound_domain_port" >> "$siproxd_conf_prefix$cfg"
	fi

	# handle plugins
	config_get plugindir "$cfg" plugindir "/usr/lib/siproxd/"
	echo plugindir = "$plugindir" >> "$siproxd_conf_prefix$cfg"

	config_list_foreach "$cfg" 'load_plugin' deal_with_lists "load_plugin"

	# plugin_demo.so
	config_get plugin_demo_string "$cfg" plugin_demo_string
	if [ -n "$plugin_demo_string" ]; then
		echo plugin_demo_string = "$plugin_demo_string" >> "$siproxd_conf_prefix$cfg"
	fi

	# plugin_shortdial.so
	config_get plugin_shortdial_akey "$cfg" plugin_shortdial_akey
	if [ -n "$plugin_shortdial_akey" ]; then
		echo plugin_shortdial_akey = "$plugin_shortdial_akey" >> "$siproxd_conf_prefix$cfg"
	fi
	config_list_foreach "$cfg" 'plugin_shortdial_entry' deal_with_lists "plugin_shortdial_entry"

	# plugin_defaulttarget.so
	config_get_bool plugin_defaulttarget_log "$cfg" plugin_defaulttarget_log
	if [ -n "$plugin_defaulttarget_log" ]; then
		echo plugin_defaulttarget_log = "$plugin_defaulttarget_log" >> "$siproxd_conf_prefix$cfg"
	fi
	config_get plugin_defaulttarget_target "$cfg" plugin_defaulttarget_target
	if [ -n "$plugin_defaulttarget_target" ]; then
		echo plugin_defaulttarget_target = "$plugin_defaulttarget_target" >> "$siproxd_conf_prefix$cfg"
	fi

	# plugin_fix_bogus_via.so
	config_get plugin_fix_bogus_via_networks "$cfg" plugin_fix_bogus_via_networks
	if [ -n "$plugin_fix_bogus_via_networks" ]; then
		echo plugin_fix_bogus_via_networks = "$plugin_fix_bogus_via_networks" >> "$siproxd_conf_prefix$cfg"
	fi

	# plugin_stun.so
	config_get plugin_stun_server "$cfg" plugin_stun_server
	if [ -n "$plugin_stun_server" ]; then
		echo plugin_stun_server = "$plugin_stun_server" >> "$siproxd_conf_prefix$cfg"
	fi
	config_get plugin_stun_port "$cfg" plugin_stun_port
	if [ -n "$plugin_stun_port" ]; then
		echo plugin_stun_port = "$plugin_stun_port" >> "$siproxd_conf_prefix$cfg"
	fi
	config_get plugin_stun_period "$cfg" plugin_stun_period
	if [ -n "$plugin_stun_period" ]; then
		echo plugin_stun_period = "$plugin_stun_period" >> "$siproxd_conf_prefix$cfg"
	fi

	# plugin_prefix.so
	config_get plugin_prefix_akey "$cfg" plugin_prefix_akey
	if [ -n "$plugin_prefix_akey" ]; then
		echo plugin_prefix_akey = "$plugin_prefix_akey" >> "$siproxd_conf_prefix$cfg"
	fi

	# plugin_regex.so
	config_list_foreach "$cfg" 'plugin_regex_desc' deal_with_lists "plugin_regex_desc"
	config_list_foreach "$cfg" 'plugin_regex_pattern' deal_with_lists "plugin_regex_pattern"
	config_list_foreach "$cfg" 'plugin_regex_replace' deal_with_lists "plugin_regex_replace"

	SERVICE_PID_FILE="$pid_file" \
	service_start $siproxd_bin --config "$siproxd_conf_prefix$cfg"
}

stop_instance() {
	local cfg="$1"

	config_get pid_file "$cfg" pid_file "$siproxd_pid_dir/siproxd-$cfg.pid"

	SERVICE_PID_FILE="$pid_file" \
	service_stop $siproxd_bin
}

start() {
	mkdir -m 0755 -p "$siproxd_conf_dir"
	mkdir -m 0755 -p "$siproxd_registration_dir"
	[ -d "$siproxd_pid_dir" ] || {
		mkdir -m 0755 -p "$siproxd_pid_dir"
		chmod 0750 "$siproxd_pid_dir"
		chown nobody:nogroup "$siproxd_pid_dir"
	}

	config_load 'siproxd'
	config_foreach start_instance 'siproxd'
}

stop() {
	config_load 'siproxd'
	config_foreach stop_instance 'siproxd'
}