prosody
70ac7d23673d
plugins/mod_admin_socket.lua

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plugins/mod_admin_socket.lua @ 10855:70ac7d23673d

mod_admin_socket, util.adminstream: New module to manage a local unix domain socket for admin functionality
author Matthew Wild <mwild1@gmail.com>
date Mon, 01 Jun 2020 15:42:19 +0100
child 10862:1cfae9e85021
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rev   line source
10855
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1 module:set_global();
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2
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3 local have_unix, unix = pcall(require, "socket.unix");
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4
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5 if not have_unix or type(unix) ~= "table" then
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6 module:log_status("error", "LuaSocket unix socket support not available or incompatible, ensure it is up to date");
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7 return;
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8 end
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9
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10 local server = require "net.server";
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11
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12 local adminstream = require "util.adminstream";
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13
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14 local socket_path = module:get_option_string("admin_socket", prosody.paths.data.."/prosody.sock");
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15
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16 local sessions = module:shared("sessions");
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17
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18 local function fire_admin_event(session, stanza)
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19 local event_data = {
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20 origin = session, stanza = stanza;
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21 };
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22 local event_name;
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23 if stanza.attr.xmlns then
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24 event_name = "admin/"..stanza.attr.xmlns..":"..stanza.name;
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25 else
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26 event_name = "admin/"..stanza.name;
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27 end
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28 module:log("debug", "Firing %s", event_name);
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29 return module:fire_event(event_name, event_data);
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30 end
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31
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32 module:hook("server-stopping", function ()
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33 for _, session in pairs(sessions) do
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34 session:close("system-shutdown");
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35 end
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36 os.remove(socket_path);
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37 end);
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38
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39 --- Unix domain socket management
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40
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41 local conn, sock;
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42
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43 local listeners = adminstream.server(sessions, fire_admin_event).listeners;
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44
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45 local function accept_connection()
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46 module:log("debug", "accepting...");
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47 local client = sock:accept();
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48 if not client then return; end
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49 server.wrapclient(client, "unix", 0, listeners, "*a");
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50 end
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51
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52 function module.load()
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53 sock = unix.stream();
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54 sock:settimeout(0);
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55 os.remove(socket_path);
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56 assert(sock:bind(socket_path));
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57 assert(sock:listen());
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58 conn = server.watchfd(sock:getfd(), accept_connection);
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59 end
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60
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61 function module.unload()
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62 if conn then
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63 conn:close();
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64 end
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65 if sock then
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66 sock:close();
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67 end
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68 os.remove(socket_path);
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69 end