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module:set_global();
local have_unix, unix = pcall(require, "socket.unix");
if have_unix and type(unix) == "function" then
-- COMPAT #1717
-- Before the introduction of datagram support, only the stream socket
-- constructor was exported instead of a module table. Due to the lack of a
-- proper release of LuaSocket, distros have settled on shipping either the
-- last RC tag or some commit since then.
-- Here we accommodate both variants.
unix = { stream = unix };
end
if not have_unix or type(unix) ~= "table" then
module:log_status("error", "LuaSocket unix socket support not available or incompatible, ensure it is up to date");
return;
end
local server = require "net.server";
local adminstream = require "util.adminstream";
local socket_path = module:get_option_path("admin_socket", "prosody.sock", "data");
local sessions = module:shared("sessions");
local function fire_admin_event(session, stanza)
local event_data = {
origin = session, stanza = stanza;
};
local event_name;
if stanza.attr.xmlns then
event_name = "admin/"..stanza.attr.xmlns..":"..stanza.name;
else
event_name = "admin/"..stanza.name;
end
module:log("debug", "Firing %s", event_name);
return module:fire_event(event_name, event_data);
end
module:hook("server-stopping", function ()
for _, session in pairs(sessions) do
session:close("system-shutdown");
end
os.remove(socket_path);
end);
--- Unix domain socket management
local conn, sock;
local listeners = adminstream.server(sessions, fire_admin_event).listeners;
local function accept_connection()
module:log("debug", "accepting...");
local client = sock:accept();
if not client then return; end
server.wrapclient(client, "unix", 0, listeners, "*a");
end
function module.load()
sock = unix.stream();
sock:settimeout(0);
os.remove(socket_path);
local ok, err = sock:bind(socket_path);
if not ok then
module:log_status("error", "Unable to bind admin socket %s: %s", socket_path, err);
return;
end
local ok, err = sock:listen();
if not ok then
module:log_status("error", "Unable to listen on admin socket %s: %s", socket_path, err);
return;
end
if server.wrapserver then
conn = server.wrapserver(sock, socket_path, 0, listeners);
else
conn = server.watchfd(sock:getfd(), accept_connection);
end
end
function module.unload()
if conn then
conn:close();
end
if sock then
sock:close();
end
os.remove(socket_path);
end
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