plugins/mod_console.lua

changeset 3878
c9de91c4173f
parent 3877
632f7038a67a
child 3879
f67427331d23
--- a/plugins/mod_console.lua	Fri Dec 17 01:24:59 2010 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,655 +0,0 @@
--- Prosody IM
--- Copyright (C) 2008-2010 Matthew Wild
--- Copyright (C) 2008-2010 Waqas Hussain
--- 
--- This project is MIT/X11 licensed. Please see the
--- COPYING file in the source package for more information.
---
-
-module.host = "*";
-
-local _G = _G;
-
-local prosody = _G.prosody;
-local hosts = prosody.hosts;
-local connlisteners_register = require "net.connlisteners".register;
-
-local console_listener = { default_port = 5582; default_mode = "*l"; default_interface = "127.0.0.1" };
-
-require "util.iterators";
-local jid_bare = require "util.jid".bare;
-local set, array = require "util.set", require "util.array";
-
-local commands = {};
-local def_env = {};
-local default_env_mt = { __index = def_env };
-
-prosody.console = { commands = commands, env = def_env };
-
-local function redirect_output(_G, session)
-	local env = setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end });
-	env.dofile = function(name)
-		local f, err = loadfile(name);
-		if not f then return f, err; end
-		return setfenv(f, env)();
-	end;
-	return env;
-end
-
-console = {};
-
-function console:new_session(conn)
-	local w = function(s) conn:write(s:gsub("\n", "\r\n")); end;
-	local session = { conn = conn;
-			send = function (t) w(tostring(t)); end;
-			print = function (...)
-				local t = {};
-				for i=1,select("#", ...) do
-					t[i] = tostring(select(i, ...));
-				end
-				w("| "..table.concat(t, "\t").."\n");
-			end;
-			disconnect = function () conn:close(); end;
-			};
-	session.env = setmetatable({}, default_env_mt);
-	
-	-- Load up environment with helper objects
-	for name, t in pairs(def_env) do
-		if type(t) == "table" then
-			session.env[name] = setmetatable({ session = session }, { __index = t });
-		end
-	end
-	
-	return session;
-end
-
-local sessions = {};
-
-function console_listener.onconnect(conn)
-	-- Handle new connection
-	local session = console:new_session(conn);
-	sessions[conn] = session;
-	printbanner(session);
-	session.send(string.char(0));
-end
-
-function console_listener.onincoming(conn, data)
-	local session = sessions[conn];
-
-	-- Handle data
-	(function(session, data)
-		local useglobalenv;
-		
-		if data:match("^>") then
-			data = data:gsub("^>", "");
-			useglobalenv = true;
-		elseif data == "\004" then
-			commands["bye"](session, data);
-			return;
-		else
-			local command = data:lower();
-			command = data:match("^%w+") or data:match("%p");
-			if commands[command] then
-				commands[command](session, data);
-				return;
-			end
-		end
-
-		session.env._ = data;
-		
-		local chunkname = "=console";
-		local chunk, err = loadstring("return "..data, chunkname);
-		if not chunk then
-			chunk, err = loadstring(data, chunkname);
-			if not chunk then
-				err = err:gsub("^%[string .-%]:%d+: ", "");
-				err = err:gsub("^:%d+: ", "");
-				err = err:gsub("'<eof>'", "the end of the line");
-				session.print("Sorry, I couldn't understand that... "..err);
-				return;
-			end
-		end
-		
-		setfenv(chunk, (useglobalenv and redirect_output(_G, session)) or session.env or nil);
-		
-		local ranok, taskok, message = pcall(chunk);
-		
-		if not (ranok or message or useglobalenv) and commands[data:lower()] then
-			commands[data:lower()](session, data);
-			return;
-		end
-		
-		if not ranok then
-			session.print("Fatal error while running command, it did not complete");
-			session.print("Error: "..taskok);
-			return;
-		end
-		
-		if not message then
-			session.print("Result: "..tostring(taskok));
-			return;
-		elseif (not taskok) and message then
-			session.print("Command completed with a problem");
-			session.print("Message: "..tostring(message));
-			return;
-		end
-		
-		session.print("OK: "..tostring(message));
-	end)(session, data);
-	
-	session.send(string.char(0));
-end
-
-function console_listener.ondisconnect(conn, err)
-	local session = sessions[conn];
-	if session then
-		session.disconnect();
-		sessions[conn] = nil;
-	end
-end
-
-connlisteners_register('console', console_listener);
-
--- Console commands --
--- These are simple commands, not valid standalone in Lua
-
-function commands.bye(session)
-	session.print("See you! :)");
-	session.disconnect();
-end
-commands.quit, commands.exit = commands.bye, commands.bye;
-
-commands["!"] = function (session, data)
-	if data:match("^!!") and session.env._ then
-		session.print("!> "..session.env._);
-		return console_listener.onincoming(session.conn, session.env._);
-	end
-	local old, new = data:match("^!(.-[^\\])!(.-)!$");
-	if old and new then
-		local ok, res = pcall(string.gsub, session.env._, old, new);
-		if not ok then
-			session.print(res)
-			return;
-		end
-		session.print("!> "..res);
-		return console_listener.onincoming(session.conn, res);
-	end
-	session.print("Sorry, not sure what you want");
-end
-
-
-function commands.help(session, data)
-	local print = session.print;
-	local section = data:match("^help (%w+)");
-	if not section then
-		print [[Commands are divided into multiple sections. For help on a particular section, ]]
-		print [[type: help SECTION (for example, 'help c2s'). Sections are: ]]
-		print [[]]
-		print [[c2s - Commands to manage local client-to-server sessions]]
-		print [[s2s - Commands to manage sessions between this server and others]]
-		print [[module - Commands to load/reload/unload modules/plugins]]
-		print [[host - Commands to activate, deactivate and list virtual hosts]]
-		print [[server - Uptime, version, shutting down, etc.]]
-		print [[config - Reloading the configuration, etc.]]
-		print [[console - Help regarding the console itself]]
-	elseif section == "c2s" then
-		print [[c2s:show(jid) - Show all client sessions with the specified JID (or all if no JID given)]]
-		print [[c2s:show_insecure() - Show all unencrypted client connections]]
-		print [[c2s:show_secure() - Show all encrypted client connections]]
-		print [[c2s:close(jid) - Close all sessions for the specified JID]]
-	elseif section == "s2s" then
-		print [[s2s:show(domain) - Show all s2s connections for the given domain (or all if no domain given)]]
-		print [[s2s:close(from, to) - Close a connection from one domain to another]]
-	elseif section == "module" then
-		print [[module:load(module, host) - Load the specified module on the specified host (or all hosts if none given)]]
-		print [[module:reload(module, host) - The same, but unloads and loads the module (saving state if the module supports it)]]
-		print [[module:unload(module, host) - The same, but just unloads the module from memory]]
-		print [[module:list(host) - List the modules loaded on the specified host]]
-	elseif section == "host" then
-		print [[host:activate(hostname) - Activates the specified host]]
-		print [[host:deactivate(hostname) - Disconnects all clients on this host and deactivates]]
-		print [[host:list() - List the currently-activated hosts]]
-	elseif section == "server" then
-		print [[server:version() - Show the server's version number]]
-		print [[server:uptime() - Show how long the server has been running]]
-		print [[server:shutdown(reason) - Shut down the server, with an optional reason to be broadcast to all connections]]
-	elseif section == "config" then
-		print [[config:reload() - Reload the server configuration. Modules may need to be reloaded for changes to take effect.]]
-	elseif section == "console" then
-		print [[Hey! Welcome to Prosody's admin console.]]
-		print [[First thing, if you're ever wondering how to get out, simply type 'quit'.]]
-		print [[Secondly, note that we don't support the full telnet protocol yet (it's coming)]]
-		print [[so you may have trouble using the arrow keys, etc. depending on your system.]]
-		print [[]]
-		print [[For now we offer a couple of handy shortcuts:]]
-		print [[!! - Repeat the last command]]
-		print [[!old!new! - repeat the last command, but with 'old' replaced by 'new']]
-		print [[]]
-		print [[For those well-versed in Prosody's internals, or taking instruction from those who are,]]
-		print [[you can prefix a command with > to escape the console sandbox, and access everything in]]
-		print [[the running server. Great fun, but be careful not to break anything :)]]
-	end
-	print [[]]
-end
-
--- Session environment --
--- Anything in def_env will be accessible within the session as a global variable
-
-def_env.server = {};
-
-function def_env.server:insane_reload()
-	prosody.unlock_globals();
-	dofile "prosody"
-	prosody = _G.prosody;
-	return true, "Server reloaded";
-end
-
-function def_env.server:version()
-	return true, tostring(prosody.version or "unknown");
-end
-
-function def_env.server:uptime()
-	local t = os.time()-prosody.start_time;
-	local seconds = t%60;
-	t = (t - seconds)/60;
-	local minutes = t%60;
-	t = (t - minutes)/60;
-	local hours = t%24;
-	t = (t - hours)/24;
-	local days = t;
-	return true, string.format("This server has been running for %d day%s, %d hour%s and %d minute%s (since %s)",
-		days, (days ~= 1 and "s") or "", hours, (hours ~= 1 and "s") or "",
-		minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time));
-end
-
-function def_env.server:shutdown(reason)
-	prosody.shutdown(reason);
-	return true, "Shutdown initiated";
-end
-
-def_env.module = {};
-
-local function get_hosts_set(hosts, module)
-	if type(hosts) == "table" then
-		if hosts[1] then
-			return set.new(hosts);
-		elseif hosts._items then
-			return hosts;
-		end
-	elseif type(hosts) == "string" then
-		return set.new { hosts };
-	elseif hosts == nil then
-		local mm = require "modulemanager";
-		return set.new(array.collect(keys(prosody.hosts)))
-			/ function (host) return prosody.hosts[host].type == "local" or module and mm.is_loaded(host, module); end;
-	end
-end
-
-function def_env.module:load(name, hosts, config)
-	local mm = require "modulemanager";
-	
-	hosts = get_hosts_set(hosts);
-	
-	-- Load the module for each host
-	local ok, err, count = true, nil, 0;
-	for host in hosts do
-		if (not mm.is_loaded(host, name)) then
-			ok, err = mm.load(host, name, config);
-			if not ok then
-				ok = false;
-				self.session.print(err or "Unknown error loading module");
-			else
-				count = count + 1;
-				self.session.print("Loaded for "..host);
-			end
-		end
-	end
-	
-	return ok, (ok and "Module loaded onto "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));	
-end
-
-function def_env.module:unload(name, hosts)
-	local mm = require "modulemanager";
-
-	hosts = get_hosts_set(hosts, name);
-	
-	-- Unload the module for each host
-	local ok, err, count = true, nil, 0;
-	for host in hosts do
-		if mm.is_loaded(host, name) then
-			ok, err = mm.unload(host, name);
-			if not ok then
-				ok = false;
-				self.session.print(err or "Unknown error unloading module");
-			else
-				count = count + 1;
-				self.session.print("Unloaded from "..host);
-			end
-		end
-	end
-	return ok, (ok and "Module unloaded from "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
-end
-
-function def_env.module:reload(name, hosts)
-	local mm = require "modulemanager";
-
-	hosts = get_hosts_set(hosts, name);
-	
-	-- Reload the module for each host
-	local ok, err, count = true, nil, 0;
-	for host in hosts do
-		if mm.is_loaded(host, name) then
-			ok, err = mm.reload(host, name);
-			if not ok then
-				ok = false;
-				self.session.print(err or "Unknown error reloading module");
-			else
-				count = count + 1;
-				if ok == nil then
-					ok = true;
-				end
-				self.session.print("Reloaded on "..host);
-			end
-		end
-	end
-	return ok, (ok and "Module reloaded on "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err));
-end
-
-function def_env.module:list(hosts)
-	if hosts == nil then
-		hosts = array.collect(keys(prosody.hosts));
-	end
-	if type(hosts) == "string" then
-		hosts = { hosts };
-	end
-	if type(hosts) ~= "table" then
-		return false, "Please supply a host or a list of hosts you would like to see";
-	end
-	
-	local print = self.session.print;
-	for _, host in ipairs(hosts) do
-		print(host..":");
-		local modules = array.collect(keys(prosody.hosts[host] and prosody.hosts[host].modules or {})):sort();
-		if #modules == 0 then
-			if prosody.hosts[host] then
-				print("    No modules loaded");
-			else
-				print("    Host not found");
-			end
-		else
-			for _, name in ipairs(modules) do
-				print("    "..name);
-			end
-		end
-	end
-end
-
-def_env.config = {};
-function def_env.config:load(filename, format)
-	local config_load = require "core.configmanager".load;
-	local ok, err = config_load(filename, format);
-	if not ok then
-		return false, err or "Unknown error loading config";
-	end
-	return true, "Config loaded";
-end
-
-function def_env.config:get(host, section, key)
-	local config_get = require "core.configmanager".get
-	return true, tostring(config_get(host, section, key));
-end
-
-function def_env.config:reload()
-	local ok, err = prosody.reload_config();
-	return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err);
-end
-
-def_env.hosts = {};
-function def_env.hosts:list()
-	for host, host_session in pairs(hosts) do
-		self.session.print(host);
-	end
-	return true, "Done";
-end
-
-function def_env.hosts:add(name)
-end
-
-def_env.c2s = {};
-
-local function show_c2s(callback)
-	for hostname, host in pairs(hosts) do
-		for username, user in pairs(host.sessions or {}) do
-			for resource, session in pairs(user.sessions or {}) do
-				local jid = username.."@"..hostname.."/"..resource;
-				callback(jid, session);
-			end
-		end
-	end
-end
-
-function def_env.c2s:show(match_jid)
-	local print, count = self.session.print, 0;
-	local curr_host;
-	show_c2s(function (jid, session)
-		if curr_host ~= session.host then
-			curr_host = session.host;
-			print(curr_host);
-		end
-		if (not match_jid) or jid:match(match_jid) then
-			count = count + 1;
-			local status, priority = "unavailable", tostring(session.priority or "-");
-			if session.presence then
-				status = session.presence:child_with_name("show");
-				if status then
-					status = status:get_text() or "[invalid!]";
-				else
-					status = "available";
-				end
-			end
-			print("   "..jid.." - "..status.."("..priority..")");
-		end		
-	end);
-	return true, "Total: "..count.." clients";
-end
-
-function def_env.c2s:show_insecure(match_jid)
-	local print, count = self.session.print, 0;
-	show_c2s(function (jid, session)
-		if ((not match_jid) or jid:match(match_jid)) and not session.secure then
-			count = count + 1;
-			print(jid);
-		end		
-	end);
-	return true, "Total: "..count.." insecure client connections";
-end
-
-function def_env.c2s:show_secure(match_jid)
-	local print, count = self.session.print, 0;
-	show_c2s(function (jid, session)
-		if ((not match_jid) or jid:match(match_jid)) and session.secure then
-			count = count + 1;
-			print(jid);
-		end		
-	end);
-	return true, "Total: "..count.." secure client connections";
-end
-
-function def_env.c2s:close(match_jid)
-	local print, count = self.session.print, 0;
-	show_c2s(function (jid, session)
-		if jid == match_jid or jid_bare(jid) == match_jid then
-			count = count + 1;
-			session:close();
-		end
-	end);
-	return true, "Total: "..count.." sessions closed";
-end
-
-def_env.s2s = {};
-function def_env.s2s:show(match_jid)
-	local _print = self.session.print;
-	local print = self.session.print;
-	
-	local count_in, count_out = 0,0;
-	
-	for host, host_session in pairs(hosts) do
-		print = function (...) _print(host); _print(...); print = _print; end
-		for remotehost, session in pairs(host_session.s2sout) do
-			if (not match_jid) or remotehost:match(match_jid) or host:match(match_jid) then
-				count_out = count_out + 1;
-				print("    "..host.." -> "..remotehost..(session.secure and " (encrypted)" or "")..(session.compressed and " (compressed)" or ""));
-				if session.sendq then
-					print("        There are "..#session.sendq.." queued outgoing stanzas for this connection");
-				end
-				if session.type == "s2sout_unauthed" then
-					if session.connecting then
-						print("        Connection not yet established");
-						if not session.srv_hosts then
-							if not session.conn then
-								print("        We do not yet have a DNS answer for this host's SRV records");
-							else
-								print("        This host has no SRV records, using A record instead");
-							end
-						elseif session.srv_choice then
-							print("        We are on SRV record "..session.srv_choice.." of "..#session.srv_hosts);
-							local srv_choice = session.srv_hosts[session.srv_choice];
-							print("        Using "..(srv_choice.target or ".")..":"..(srv_choice.port or 5269));
-						end
-					elseif session.notopen then
-						print("        The <stream> has not yet been opened");
-					elseif not session.dialback_key then
-						print("        Dialback has not been initiated yet");
-					elseif session.dialback_key then
-						print("        Dialback has been requested, but no result received");
-					end
-				end
-			end
-		end	
-		local subhost_filter = function (h)
-				return (match_jid and h:match(match_jid));
-			end
-		for session in pairs(incoming_s2s) do
-			if session.to_host == host and ((not match_jid) or host:match(match_jid)
-				or (session.from_host and session.from_host:match(match_jid))
-				-- Pft! is what I say to list comprehensions
-				or (session.hosts and #array.collect(keys(session.hosts)):filter(subhost_filter)>0)) then
-				count_in = count_in + 1;
-				print("    "..host.." <- "..(session.from_host or "(unknown)")..(session.secure and " (encrypted)" or "")..(session.compressed and " (compressed)" or ""));
-				if session.type == "s2sin_unauthed" then
-						print("        Connection not yet authenticated");
-				end
-				for name in pairs(session.hosts) do
-					if name ~= session.from_host then
-						print("        also hosts "..tostring(name));
-					end
-				end
-			end
-		end
-		
-		print = _print;
-	end
-	
-	for session in pairs(incoming_s2s) do
-		if not session.to_host and ((not match_jid) or session.from_host and session.from_host:match(match_jid)) then
-			count_in = count_in + 1;
-			print("Other incoming s2s connections");
-			print("    (unknown) <- "..(session.from_host or "(unknown)"));			
-		end
-	end
-	
-	return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections";
-end
-
-function def_env.s2s:close(from, to)
-	local print, count = self.session.print, 0;
-	
-	if not (from and to) then
-		return false, "Syntax: s2s:close('from', 'to') - Closes all s2s sessions from 'from' to 'to'";
-	elseif from == to then
-		return false, "Both from and to are the same... you can't do that :)";
-	end
-	
-	if hosts[from] and not hosts[to] then
-		-- Is an outgoing connection
-		local session = hosts[from].s2sout[to];
-		if not session then
-			print("No outgoing connection from "..from.." to "..to)
-		else
-			(session.close or s2smanager.destroy_session)(session);
-			count = count + 1;
-			print("Closed outgoing session from "..from.." to "..to);
-		end
-	elseif hosts[to] and not hosts[from] then
-		-- Is an incoming connection
-		for session in pairs(incoming_s2s) do
-			if session.to_host == to and session.from_host == from then
-				(session.close or s2smanager.destroy_session)(session);
-				count = count + 1;
-			end
-		end
-		
-		if count == 0 then
-			print("No incoming connections from "..from.." to "..to);
-		else
-			print("Closed "..count.." incoming session"..((count == 1 and "") or "s").." from "..from.." to "..to);
-		end
-	elseif hosts[to] and hosts[from] then
-		return false, "Both of the hostnames you specified are local, there are no s2s sessions to close";
-	else
-		return false, "Neither of the hostnames you specified are being used on this server";
-	end
-	
-	return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s");
-end
-
-def_env.host = {}; def_env.hosts = def_env.host;
-
-function def_env.host:activate(hostname, config)
-	return hostmanager.activate(hostname, config);
-end
-function def_env.host:deactivate(hostname, reason)
-	return hostmanager.deactivate(hostname, reason);
-end
-
-function def_env.host:list()
-	local print = self.session.print;
-	local i = 0;
-	for host in values(array.collect(keys(prosody.hosts)):sort()) do
-		i = i + 1;
-		print(host);
-	end
-	return true, i.." hosts";
-end
-
--------------
-
-function printbanner(session)
-	local option = config.get("*", "core", "console_banner");
-if option == nil or option == "full" or option == "graphic" then
-session.print [[
-                   ____                \   /     _       
-                    |  _ \ _ __ ___  ___  _-_   __| |_   _ 
-                    | |_) | '__/ _ \/ __|/ _ \ / _` | | | |
-                    |  __/| | | (_) \__ \ |_| | (_| | |_| |
-                    |_|   |_|  \___/|___/\___/ \__,_|\__, |
-                    A study in simplicity            |___/ 
-
-]]
-end
-if option == nil or option == "short" or option == "full" then
-session.print("Welcome to the Prosody administration console. For a list of commands, type: help");
-session.print("You may find more help on using this console in our online documentation at ");
-session.print("http://prosody.im/doc/console\n");
-end
-if option and option ~= "short" and option ~= "full" and option ~= "graphic" then
-	if type(option) == "string" then
-		session.print(option)
-	elseif type(option) == "function" then
-		setfenv(option, redirect_output(_G, session));
-		pcall(option, session);
-	end
-end
-end
-
-prosody.net_activate_ports("console", "console", {5582}, "tcp");

mercurial