Add package shadowsocks-client

Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>

net/shadowsocks-client/files/sslocal.config

@@ -0,0 +1,7 @@
+config sslocal
+       option server_addr ''
+       option server_port ''
+       option local_addr ''
+       option local_port ''
+       option password ''
+       option method ''

net/shadowsocks-client/files/sslocal.init

@@ -0,0 +1,52 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006-2012 OpenWrt.org
+# Copyright (C) 2014 Zhao, Gang <gang.zhao.42@gmail.com>
+
+START=99
+
+USE_PROCD=1
+PROG=/usr/bin/sslocal
+
+validate_section_sslocal() {
+	uci_validate_section sslocal sslocal "${1}" \
+		'server_addr:host' \
+		'server_port:port' \
+		'local_addr:host' \
+		'local_port:port' \
+		'password:string' \
+		'method:string' \
+		'log_level:range(0,7):5'
+
+	return $?
+}
+
+sslocal_instance() {
+	local server_addr server_port local_addr local_port
+	local password method log_level
+
+	validate_section_sslocal "${1}" || {
+		echo "validation failed"
+		return 1
+	}
+
+	procd_open_instance
+	procd_set_param command "$PROG"
+	procd_append_param command -s "${server_addr}" -p "${server_port}"
+	procd_append_param command -u "${local_addr}" -b "${local_port}"
+	procd_append_param command -k "${password}" -m "${method}"
+	procd_append_param command -l "${log_level}"
+	procd_set_param respawn
+	procd_close_instance
+}
+
+start_service() {
+	config_load sslocal
+
+	config_foreach sslocal_instance sslocal
+}
+
+service_triggers()
+{
+	procd_add_reload_trigger "sslocal"
+	procd_add_validation validate_section_sslocal
+}