1 files changed, 57 insertions, 0 deletions
diff --git a/client/privsep.lua b/client/privsep.lua
new file mode 100644
index 0000000..432f472
--- /dev/null
+++ b/client/privsep.lua
@@ -0,0 +1,57 @@
+
+ipcmsg = require("cmsgpack")
+ipcmsg.encode = ipcmsg.pack
+ipcmsg.decode = ipcmsg.unpack
+
+client = require("client")
+
+local ml = require("ml")
+
+local modules_path = "./modules"
+
+local privsep = {}
+
+local function call(conn, req)
+	local n = client.write(conn.fd, ipcmsg.encode(req))
+	retmsg, errmsg = client.recv(conn.fd)
+	if retmsg then
+		local data = ipcmsg.decode(retmsg)
+		return unpack(data.result or {})
+	end
+	return nil, errmsg
+end
+
+local function wrap(conn, modname)
+	local mod = dofile(modules_path.."/"..modname..".lua")
+	local f = {}
+	local i = #conn.mods + 1
+	local ret = conn:call{ type = "load", modidx = i,
+		                    modname = modname }
+	if ret == nil then
+		return nil
+	end
+	for k,v in pairs(mod) do
+		f[k] = function(...)
+			return conn:call{ type = "call", modidx = i,
+					       func = k, args = {...}}
+		end
+	end
+	conn[i] = f
+	return f
+end
+
+function privsep.connect(token)
+	return {
+		["fd"] = client.connect(),
+		["call"] = call,
+		["wrap"] = wrap,
+		["close"] = function(self)
+				return client.close(self.fd)
+			end,
+		["mods"] = {},
+	}
+end
+
+
+return privsep
+