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|
-- Prosody IM
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
module.host = "*";
local connlisteners_register = require "net.connlisteners".register;
local console_listener = { default_port = 5583; default_mode = "*l"; default_interface = "127.0.0.1" };
local sha256, missingglobal = require "util.hashes".sha256;
local commands = {};
local debug_env = {};
local debug_env_mt = { __index = function (t, k) return rawget(_G, k) or missingglobal(k); end, __newindex = function (t, k, v) rawset(_G, k, v); end };
local t_insert, t_concat = table.insert, table.concat;
local t_concatall = function (t, sep) local tt = {}; for k, s in pairs(t) do tt[k] = tostring(s); end return t_concat(tt, sep); end
setmetatable(debug_env, debug_env_mt);
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 (t) w("| "..tostring(t).."\n"); end;
disconnect = function () conn.close(); end;
};
return session;
end
local sessions = {};
function console_listener.listener(conn, data)
local session = sessions[conn];
if not session then
-- Handle new connection
session = console:new_session(conn);
sessions[conn] = session;
printbanner(session);
end
if data then
-- Handle data
(function(session, data)
if data:match("[!.]$") then
local command = data:lower();
command = data:match("^%w+") or data:match("%p");
if commands[command] then
commands[command](session, data);
return;
end
end
local chunk, err = loadstring("return "..data);
if not chunk then
chunk, err = loadstring(data);
if not chunk then
err = err:gsub("^%[string .-%]:%d+: ", "");
err = err:gsub("^:%d+: ", "");
err = err:gsub("'<eof>'", "the end of the line");
session.print("Sorry, I couldn't understand that... "..err);
return;
end
end
debug_env.print = session.print;
setfenv(chunk, debug_env);
local ret = { pcall(chunk) };
if not ret[1] then
session.print("Fatal error while running command, it did not complete");
session.print("Error: "..ret[2]);
return;
end
table.remove(ret, 1);
local retstr = t_concatall(ret, ", ");
if retstr ~= "" then
session.print("Result: "..retstr);
else
session.print("No result, or nil");
return;
end
end)(session, data);
end
session.send(string.char(0));
end
function console_listener.disconnect(conn, err)
end
connlisteners_register('debug', console_listener);
require "net.connlisteners".start("debug");
-- Console commands --
-- These are simple commands, not valid standalone in Lua
function commands.bye(session)
session.print("See you! :)");
session.disconnect();
end
commands["!"] = function (session, data)
if data:match("^!!") then
session.print("!> "..session.env._);
return console_listener.listener(session.conn, session.env._);
end
local old, new = data:match("^!(.-[^\\])!(.-)!$");
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.listener(session.conn, res);
end
session.print("Sorry, not sure what you want");
end
function printbanner(session)
session.print [[
____ \ / _
| _ \ _ __ ___ ___ _-_ __| |_ _
| |_) | '__/ _ \/ __|/ _ \ / _` | | | |
| __/| | | (_) \__ \ |_| | (_| | |_| |
|_| |_| \___/|___/\___/ \__,_|\__, |
A study in simplicity |___/
]]
session.print("Welcome to the Prosody debug 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/debugconsole\n");
end
local byte, char = string.byte, string.char;
local gmatch, gsub = string.gmatch, string.gsub;
local function vdecode(text, key)
local keyarr = {};
for l in gmatch(key, ".") do t_insert(keyarr, byte(l) - 32) end
local pos, keylen = 0, #keyarr;
return (gsub(text, ".", function (letter)
if byte(letter) < 32 then return ""; end
pos = (pos%keylen)+1;
return char(((byte(letter) - 32 - keyarr[pos]) % 94) + 32);
end));
end
local subst = {
["f880c08056ba7dbecb1ccfe5d7728bd6dcd654e94f7a9b21788c43397bae0bc5"] =
[=[nRYeKR$l'5Ix%u*1Mc-K}*bwv*\ $1KLMBd$KH R38`$[6}VQ@,6Qn]=];
["92f718858322157202ec740698c1390e47bc819e52b6a099c54c378a9f7529d6"] =
[=[V\Z5`WZ5,T$<)7LM'w3Z}M(7V'{pa) &'>0+{v)O(0M*V5K$$LL$|2wT}6
1as*")e!>]=];
["467b65edcc7c7cd70abf2136cc56abd037216a6cd9e17291a2219645be2e2216"] =
[=[i#'Z,E1-"YaHW(j/0xs]I4x&%(Jx1h&18'(exNWT D3b+K{*8}w(%D {]=];
["f73729d7f2fbe686243a25ac088c7e6aead3d535e081329f2817438a5c78bee5"] =
[=[,3+(Q{3+W\ftQ%wvv/C0z-l%f>ABc(vkp<bb8]=];
["6afa189489b096742890d0c5bd17d5bb8af8ac460c7026984b64e8f14a40404e"] =
[=[9N{)5j34gd*}&]H&dy"I&7(",a F1v6jY+IY7&S+86)1z(Vo]=];
["cc5e5293ef8a1acbd9dd2bcda092c5c77ef46d3ec5aea65024fca7ed4b3c94a9"] =
[=[_]Rc}IF'Kfa&))Ry+6|x!K2|T*Vze)%4Hwz'L3uI|OwIa)|q#uq2+Qu u7
[V3(z(*TYY|T\1_W'2] Dwr{-{@df#W.H5^x(ydtr{c){UuV@]=];
["b3df231fd7ddf73f72f39cb2510b1fe39318f4724728ed58948a180663184d3e"] =
[=[iH!"9NLS'%geYw3^R*fvWM1)MwxLS!d[zP(p0sQ|8tX{dWO{9w!+W)b"MU
W)V8&(2Wx"'dTL9*PP%1"JV(I|Jr1^f'-Hc3U\2H3Z='K#,)dPm]=];
}
function missingglobal(name)
if sha256 then
local hash = sha256(name.."|"..name:reverse(), true);
if subst[hash] then
return vdecode(subst[hash], sha256(name:reverse(), true));
end
end
end
|
