xray-core: add init script

Add init script so the users could run it with their configs quickly.

Signed-off-by: Tianling Shen <cnsztl@project-openwrt.eu.org>

net/xray-core/files/xray.init

@@ -0,0 +1,51 @@
+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+START=99
+
+CONF="xray"
+PROG="/usr/bin/xray"
+CAPA_FILE="/etc/capabilities/xray.json"
+
+start_instance() {
+	config_load "$CONF"
+
+	local enabled
+	config_get enabled "enabled" "enabled" "0"
+	[ "$enabled" -eq "0" ] && exit 1
+
+	local confdir
+	local conffiles
+	local datadir
+	local format
+
+	config_get confdir "config" "confdir"
+	config_get conffiles "config" "conffiles"
+	config_get datadir "config" "datadir" "/usr/share/xray"
+	config_get format "config" "format" "json"
+
+	procd_open_instance
+	procd_set_param command "$PROG" run
+	[ -n "$confdir" ] && procd_append_param command -confdir "$confdir"
+	[ -n "$conffiles" ] && {
+		for i in $conffiles
+		do
+			procd_append_param command -config "$i"
+		done
+	}
+	procd_append_param command -format "$format"
+	procd_set_param env XRAY_LOCATION_ASSET="$datadir"
+	procd_set_param file $conffiles
+
+	procd_set_param stdout 1
+	procd_set_param stderr 1
+	procd_set_param respawn
+
+	[ -x "/sbin/ujail" -a -e "$CAPA_FILE" ] && {
+		procd_add_jail xray
+		procd_set_param capabilities "$CAPA_FILE"
+		procd_set_param user nobody
+		procd_set_param no_new_privs 1
+	}
+	procd_close_instance
+}