prosody
988a3a7e1f35
plugins/mod_admin_socket.lua

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plugins/mod_admin_socket.lua @ 12483:988a3a7e1f35

mod_tls: tell network backend to stop reading while preparing TLS
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 02 Apr 2022 11:18:57 +0200
parent 12418:dd47adf74e93
child 12852:c35afa353f8f
child 12887:68df46926c26
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 have_unix and type(unix) == "function" then
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6 -- COMPAT #1717
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7 -- Before the introduction of datagram support, only the stream socket
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8 -- constructor was exported instead of a module table. Due to the lack of a
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9 -- proper release of LuaSocket, distros have settled on shipping either the
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10 -- last RC tag or some commit since then.
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11 -- Here we accomodate both variants.
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12 unix = { stream = unix };
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13 end
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14 if not have_unix or type(unix) ~= "table" then
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15 module:log_status("error", "LuaSocket unix socket support not available or incompatible, ensure it is up to date");
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16 return;
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17 end
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19 local server = require "net.server";
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20
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21 local adminstream = require "util.adminstream";
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22
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23 local socket_path = module:get_option_path("admin_socket", "prosody.sock", "data");
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24
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25 local sessions = module:shared("sessions");
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26
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27 local function fire_admin_event(session, stanza)
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28 local event_data = {
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29 origin = session, stanza = stanza;
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30 };
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31 local event_name;
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32 if stanza.attr.xmlns then
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33 event_name = "admin/"..stanza.attr.xmlns..":"..stanza.name;
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34 else
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35 event_name = "admin/"..stanza.name;
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36 end
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37 module:log("debug", "Firing %s", event_name);
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38 return module:fire_event(event_name, event_data);
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39 end
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40
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41 module:hook("server-stopping", function ()
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42 for _, session in pairs(sessions) do
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43 session:close("system-shutdown");
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44 end
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45 os.remove(socket_path);
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46 end);
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47
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48 --- Unix domain socket management
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49
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50 local conn, sock;
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51
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52 local listeners = adminstream.server(sessions, fire_admin_event).listeners;
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53
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54 local function accept_connection()
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55 module:log("debug", "accepting...");
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56 local client = sock:accept();
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57 if not client then return; end
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58 server.wrapclient(client, "unix", 0, listeners, "*a");
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59 end
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60
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61 function module.load()
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62 sock = unix.stream();
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63 sock:settimeout(0);
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64 os.remove(socket_path);
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65 local ok, err = sock:bind(socket_path);
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66 if not ok then
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67 module:log_status("error", "Unable to bind admin socket %s: %s", socket_path, err);
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68 return;
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69 end
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70 local ok, err = sock:listen();
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71 if not ok then
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72 module:log_status("error", "Unable to listen on admin socket %s: %s", socket_path, err);
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73 return;
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74 end
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75 if server.wrapserver then
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76 conn = server.wrapserver(sock, socket_path, 0, listeners);
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77 else
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78 conn = server.watchfd(sock:getfd(), accept_connection);
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79 end
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80 end
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81
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82 function module.unload()
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83 if conn then
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84 conn:close();
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85 end
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86 if sock then
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87 sock:close();
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88 end
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89 os.remove(socket_path);
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90 end