1 -- Prosody IM |
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
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4 -- |
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5 -- This project is MIT/X11 licensed. Please see the |
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6 -- COPYING file in the source package for more information. |
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7 -- |
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8 |
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9 module.host = "*"; |
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10 |
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11 local _G = _G; |
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12 |
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13 local prosody = _G.prosody; |
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14 local hosts = prosody.hosts; |
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15 local connlisteners_register = require "net.connlisteners".register; |
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16 |
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17 local console_listener = { default_port = 5582; default_mode = "*l"; default_interface = "127.0.0.1" }; |
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18 |
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19 require "util.iterators"; |
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20 local jid_bare = require "util.jid".bare; |
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21 local set, array = require "util.set", require "util.array"; |
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22 |
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23 local commands = {}; |
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24 local def_env = {}; |
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25 local default_env_mt = { __index = def_env }; |
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26 |
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27 prosody.console = { commands = commands, env = def_env }; |
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28 |
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29 local function redirect_output(_G, session) |
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30 local env = setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end }); |
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31 env.dofile = function(name) |
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32 local f, err = loadfile(name); |
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33 if not f then return f, err; end |
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34 return setfenv(f, env)(); |
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35 end; |
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36 return env; |
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37 end |
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38 |
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39 console = {}; |
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40 |
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41 function console:new_session(conn) |
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42 local w = function(s) conn:write(s:gsub("\n", "\r\n")); end; |
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43 local session = { conn = conn; |
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44 send = function (t) w(tostring(t)); end; |
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45 print = function (...) |
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46 local t = {}; |
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47 for i=1,select("#", ...) do |
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48 t[i] = tostring(select(i, ...)); |
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49 end |
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50 w("| "..table.concat(t, "\t").."\n"); |
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51 end; |
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52 disconnect = function () conn:close(); end; |
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53 }; |
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54 session.env = setmetatable({}, default_env_mt); |
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55 |
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56 -- Load up environment with helper objects |
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57 for name, t in pairs(def_env) do |
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58 if type(t) == "table" then |
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59 session.env[name] = setmetatable({ session = session }, { __index = t }); |
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60 end |
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61 end |
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62 |
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63 return session; |
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64 end |
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65 |
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66 local sessions = {}; |
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67 |
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68 function console_listener.onconnect(conn) |
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69 -- Handle new connection |
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70 local session = console:new_session(conn); |
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71 sessions[conn] = session; |
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72 printbanner(session); |
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73 session.send(string.char(0)); |
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74 end |
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75 |
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76 function console_listener.onincoming(conn, data) |
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77 local session = sessions[conn]; |
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78 |
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79 -- Handle data |
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80 (function(session, data) |
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81 local useglobalenv; |
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82 |
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83 if data:match("^>") then |
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84 data = data:gsub("^>", ""); |
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85 useglobalenv = true; |
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86 elseif data == "\004" then |
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87 commands["bye"](session, data); |
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88 return; |
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89 else |
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90 local command = data:lower(); |
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91 command = data:match("^%w+") or data:match("%p"); |
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92 if commands[command] then |
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93 commands[command](session, data); |
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94 return; |
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95 end |
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96 end |
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97 |
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98 session.env._ = data; |
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99 |
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100 local chunkname = "=console"; |
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101 local chunk, err = loadstring("return "..data, chunkname); |
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102 if not chunk then |
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103 chunk, err = loadstring(data, chunkname); |
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104 if not chunk then |
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105 err = err:gsub("^%[string .-%]:%d+: ", ""); |
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106 err = err:gsub("^:%d+: ", ""); |
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107 err = err:gsub("'<eof>'", "the end of the line"); |
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108 session.print("Sorry, I couldn't understand that... "..err); |
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109 return; |
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110 end |
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111 end |
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112 |
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113 setfenv(chunk, (useglobalenv and redirect_output(_G, session)) or session.env or nil); |
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114 |
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115 local ranok, taskok, message = pcall(chunk); |
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116 |
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117 if not (ranok or message or useglobalenv) and commands[data:lower()] then |
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118 commands[data:lower()](session, data); |
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119 return; |
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120 end |
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121 |
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122 if not ranok then |
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123 session.print("Fatal error while running command, it did not complete"); |
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124 session.print("Error: "..taskok); |
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125 return; |
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126 end |
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127 |
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128 if not message then |
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129 session.print("Result: "..tostring(taskok)); |
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130 return; |
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131 elseif (not taskok) and message then |
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132 session.print("Command completed with a problem"); |
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133 session.print("Message: "..tostring(message)); |
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134 return; |
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135 end |
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136 |
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137 session.print("OK: "..tostring(message)); |
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138 end)(session, data); |
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139 |
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140 session.send(string.char(0)); |
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141 end |
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142 |
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143 function console_listener.ondisconnect(conn, err) |
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144 local session = sessions[conn]; |
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145 if session then |
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146 session.disconnect(); |
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147 sessions[conn] = nil; |
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148 end |
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149 end |
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150 |
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151 connlisteners_register('console', console_listener); |
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152 |
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153 -- Console commands -- |
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154 -- These are simple commands, not valid standalone in Lua |
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155 |
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156 function commands.bye(session) |
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157 session.print("See you! :)"); |
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158 session.disconnect(); |
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159 end |
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160 commands.quit, commands.exit = commands.bye, commands.bye; |
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161 |
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162 commands["!"] = function (session, data) |
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163 if data:match("^!!") and session.env._ then |
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164 session.print("!> "..session.env._); |
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165 return console_listener.onincoming(session.conn, session.env._); |
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166 end |
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167 local old, new = data:match("^!(.-[^\\])!(.-)!$"); |
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168 if old and new then |
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169 local ok, res = pcall(string.gsub, session.env._, old, new); |
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170 if not ok then |
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171 session.print(res) |
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172 return; |
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173 end |
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174 session.print("!> "..res); |
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175 return console_listener.onincoming(session.conn, res); |
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176 end |
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177 session.print("Sorry, not sure what you want"); |
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178 end |
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179 |
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180 |
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181 function commands.help(session, data) |
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182 local print = session.print; |
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183 local section = data:match("^help (%w+)"); |
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184 if not section then |
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185 print [[Commands are divided into multiple sections. For help on a particular section, ]] |
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186 print [[type: help SECTION (for example, 'help c2s'). Sections are: ]] |
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187 print [[]] |
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188 print [[c2s - Commands to manage local client-to-server sessions]] |
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189 print [[s2s - Commands to manage sessions between this server and others]] |
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190 print [[module - Commands to load/reload/unload modules/plugins]] |
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191 print [[host - Commands to activate, deactivate and list virtual hosts]] |
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192 print [[server - Uptime, version, shutting down, etc.]] |
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193 print [[config - Reloading the configuration, etc.]] |
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194 print [[console - Help regarding the console itself]] |
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195 elseif section == "c2s" then |
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196 print [[c2s:show(jid) - Show all client sessions with the specified JID (or all if no JID given)]] |
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197 print [[c2s:show_insecure() - Show all unencrypted client connections]] |
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198 print [[c2s:show_secure() - Show all encrypted client connections]] |
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199 print [[c2s:close(jid) - Close all sessions for the specified JID]] |
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200 elseif section == "s2s" then |
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201 print [[s2s:show(domain) - Show all s2s connections for the given domain (or all if no domain given)]] |
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202 print [[s2s:close(from, to) - Close a connection from one domain to another]] |
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203 elseif section == "module" then |
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204 print [[module:load(module, host) - Load the specified module on the specified host (or all hosts if none given)]] |
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205 print [[module:reload(module, host) - The same, but unloads and loads the module (saving state if the module supports it)]] |
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206 print [[module:unload(module, host) - The same, but just unloads the module from memory]] |
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207 print [[module:list(host) - List the modules loaded on the specified host]] |
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208 elseif section == "host" then |
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209 print [[host:activate(hostname) - Activates the specified host]] |
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210 print [[host:deactivate(hostname) - Disconnects all clients on this host and deactivates]] |
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211 print [[host:list() - List the currently-activated hosts]] |
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212 elseif section == "server" then |
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213 print [[server:version() - Show the server's version number]] |
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214 print [[server:uptime() - Show how long the server has been running]] |
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215 print [[server:shutdown(reason) - Shut down the server, with an optional reason to be broadcast to all connections]] |
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216 elseif section == "config" then |
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217 print [[config:reload() - Reload the server configuration. Modules may need to be reloaded for changes to take effect.]] |
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218 elseif section == "console" then |
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219 print [[Hey! Welcome to Prosody's admin console.]] |
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220 print [[First thing, if you're ever wondering how to get out, simply type 'quit'.]] |
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221 print [[Secondly, note that we don't support the full telnet protocol yet (it's coming)]] |
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222 print [[so you may have trouble using the arrow keys, etc. depending on your system.]] |
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223 print [[]] |
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224 print [[For now we offer a couple of handy shortcuts:]] |
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225 print [[!! - Repeat the last command]] |
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226 print [[!old!new! - repeat the last command, but with 'old' replaced by 'new']] |
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227 print [[]] |
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228 print [[For those well-versed in Prosody's internals, or taking instruction from those who are,]] |
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229 print [[you can prefix a command with > to escape the console sandbox, and access everything in]] |
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230 print [[the running server. Great fun, but be careful not to break anything :)]] |
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231 end |
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232 print [[]] |
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233 end |
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234 |
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235 -- Session environment -- |
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236 -- Anything in def_env will be accessible within the session as a global variable |
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237 |
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238 def_env.server = {}; |
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239 |
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240 function def_env.server:insane_reload() |
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241 prosody.unlock_globals(); |
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242 dofile "prosody" |
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243 prosody = _G.prosody; |
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244 return true, "Server reloaded"; |
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245 end |
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246 |
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247 function def_env.server:version() |
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248 return true, tostring(prosody.version or "unknown"); |
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249 end |
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250 |
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251 function def_env.server:uptime() |
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252 local t = os.time()-prosody.start_time; |
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253 local seconds = t%60; |
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254 t = (t - seconds)/60; |
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255 local minutes = t%60; |
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256 t = (t - minutes)/60; |
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257 local hours = t%24; |
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258 t = (t - hours)/24; |
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259 local days = t; |
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260 return true, string.format("This server has been running for %d day%s, %d hour%s and %d minute%s (since %s)", |
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261 days, (days ~= 1 and "s") or "", hours, (hours ~= 1 and "s") or "", |
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262 minutes, (minutes ~= 1 and "s") or "", os.date("%c", prosody.start_time)); |
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263 end |
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264 |
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265 function def_env.server:shutdown(reason) |
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266 prosody.shutdown(reason); |
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267 return true, "Shutdown initiated"; |
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268 end |
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269 |
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270 def_env.module = {}; |
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271 |
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272 local function get_hosts_set(hosts, module) |
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273 if type(hosts) == "table" then |
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274 if hosts[1] then |
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275 return set.new(hosts); |
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276 elseif hosts._items then |
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277 return hosts; |
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278 end |
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279 elseif type(hosts) == "string" then |
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280 return set.new { hosts }; |
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281 elseif hosts == nil then |
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282 local mm = require "modulemanager"; |
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283 return set.new(array.collect(keys(prosody.hosts))) |
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284 / function (host) return prosody.hosts[host].type == "local" or module and mm.is_loaded(host, module); end; |
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285 end |
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286 end |
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287 |
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288 function def_env.module:load(name, hosts, config) |
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289 local mm = require "modulemanager"; |
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290 |
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291 hosts = get_hosts_set(hosts); |
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292 |
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293 -- Load the module for each host |
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294 local ok, err, count = true, nil, 0; |
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295 for host in hosts do |
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296 if (not mm.is_loaded(host, name)) then |
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297 ok, err = mm.load(host, name, config); |
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298 if not ok then |
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299 ok = false; |
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300 self.session.print(err or "Unknown error loading module"); |
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301 else |
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302 count = count + 1; |
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303 self.session.print("Loaded for "..host); |
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304 end |
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305 end |
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306 end |
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307 |
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308 return ok, (ok and "Module loaded onto "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); |
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309 end |
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310 |
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311 function def_env.module:unload(name, hosts) |
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312 local mm = require "modulemanager"; |
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313 |
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314 hosts = get_hosts_set(hosts, name); |
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315 |
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316 -- Unload the module for each host |
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317 local ok, err, count = true, nil, 0; |
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318 for host in hosts do |
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319 if mm.is_loaded(host, name) then |
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320 ok, err = mm.unload(host, name); |
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321 if not ok then |
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322 ok = false; |
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323 self.session.print(err or "Unknown error unloading module"); |
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324 else |
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325 count = count + 1; |
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326 self.session.print("Unloaded from "..host); |
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327 end |
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328 end |
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329 end |
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330 return ok, (ok and "Module unloaded from "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); |
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331 end |
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332 |
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333 function def_env.module:reload(name, hosts) |
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334 local mm = require "modulemanager"; |
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335 |
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336 hosts = get_hosts_set(hosts, name); |
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337 |
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338 -- Reload the module for each host |
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339 local ok, err, count = true, nil, 0; |
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340 for host in hosts do |
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341 if mm.is_loaded(host, name) then |
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342 ok, err = mm.reload(host, name); |
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343 if not ok then |
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344 ok = false; |
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345 self.session.print(err or "Unknown error reloading module"); |
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346 else |
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347 count = count + 1; |
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348 if ok == nil then |
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349 ok = true; |
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350 end |
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351 self.session.print("Reloaded on "..host); |
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352 end |
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353 end |
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354 end |
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355 return ok, (ok and "Module reloaded on "..count.." host"..(count ~= 1 and "s" or "")) or ("Last error: "..tostring(err)); |
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356 end |
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357 |
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358 function def_env.module:list(hosts) |
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359 if hosts == nil then |
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360 hosts = array.collect(keys(prosody.hosts)); |
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361 end |
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362 if type(hosts) == "string" then |
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363 hosts = { hosts }; |
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364 end |
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365 if type(hosts) ~= "table" then |
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366 return false, "Please supply a host or a list of hosts you would like to see"; |
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367 end |
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368 |
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369 local print = self.session.print; |
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370 for _, host in ipairs(hosts) do |
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371 print(host..":"); |
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372 local modules = array.collect(keys(prosody.hosts[host] and prosody.hosts[host].modules or {})):sort(); |
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373 if #modules == 0 then |
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374 if prosody.hosts[host] then |
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375 print(" No modules loaded"); |
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376 else |
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377 print(" Host not found"); |
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378 end |
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379 else |
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380 for _, name in ipairs(modules) do |
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381 print(" "..name); |
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382 end |
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383 end |
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384 end |
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385 end |
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386 |
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387 def_env.config = {}; |
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388 function def_env.config:load(filename, format) |
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389 local config_load = require "core.configmanager".load; |
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390 local ok, err = config_load(filename, format); |
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391 if not ok then |
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392 return false, err or "Unknown error loading config"; |
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393 end |
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394 return true, "Config loaded"; |
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395 end |
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396 |
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397 function def_env.config:get(host, section, key) |
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398 local config_get = require "core.configmanager".get |
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399 return true, tostring(config_get(host, section, key)); |
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400 end |
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401 |
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402 function def_env.config:reload() |
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403 local ok, err = prosody.reload_config(); |
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404 return ok, (ok and "Config reloaded (you may need to reload modules to take effect)") or tostring(err); |
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405 end |
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406 |
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407 def_env.hosts = {}; |
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408 function def_env.hosts:list() |
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409 for host, host_session in pairs(hosts) do |
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410 self.session.print(host); |
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411 end |
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412 return true, "Done"; |
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413 end |
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414 |
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415 function def_env.hosts:add(name) |
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416 end |
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417 |
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418 def_env.c2s = {}; |
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419 |
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420 local function show_c2s(callback) |
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421 for hostname, host in pairs(hosts) do |
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422 for username, user in pairs(host.sessions or {}) do |
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423 for resource, session in pairs(user.sessions or {}) do |
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424 local jid = username.."@"..hostname.."/"..resource; |
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425 callback(jid, session); |
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426 end |
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427 end |
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428 end |
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429 end |
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430 |
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431 function def_env.c2s:show(match_jid) |
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432 local print, count = self.session.print, 0; |
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433 local curr_host; |
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434 show_c2s(function (jid, session) |
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435 if curr_host ~= session.host then |
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436 curr_host = session.host; |
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437 print(curr_host); |
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438 end |
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439 if (not match_jid) or jid:match(match_jid) then |
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440 count = count + 1; |
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441 local status, priority = "unavailable", tostring(session.priority or "-"); |
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442 if session.presence then |
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443 status = session.presence:child_with_name("show"); |
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444 if status then |
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445 status = status:get_text() or "[invalid!]"; |
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446 else |
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447 status = "available"; |
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448 end |
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449 end |
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450 print(" "..jid.." - "..status.."("..priority..")"); |
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451 end |
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452 end); |
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453 return true, "Total: "..count.." clients"; |
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454 end |
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455 |
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456 function def_env.c2s:show_insecure(match_jid) |
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457 local print, count = self.session.print, 0; |
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458 show_c2s(function (jid, session) |
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459 if ((not match_jid) or jid:match(match_jid)) and not session.secure then |
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460 count = count + 1; |
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461 print(jid); |
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462 end |
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463 end); |
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464 return true, "Total: "..count.." insecure client connections"; |
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465 end |
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466 |
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467 function def_env.c2s:show_secure(match_jid) |
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468 local print, count = self.session.print, 0; |
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469 show_c2s(function (jid, session) |
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470 if ((not match_jid) or jid:match(match_jid)) and session.secure then |
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471 count = count + 1; |
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472 print(jid); |
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473 end |
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474 end); |
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475 return true, "Total: "..count.." secure client connections"; |
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476 end |
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477 |
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478 function def_env.c2s:close(match_jid) |
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479 local print, count = self.session.print, 0; |
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480 show_c2s(function (jid, session) |
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481 if jid == match_jid or jid_bare(jid) == match_jid then |
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482 count = count + 1; |
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483 session:close(); |
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484 end |
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485 end); |
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486 return true, "Total: "..count.." sessions closed"; |
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487 end |
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488 |
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489 def_env.s2s = {}; |
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490 function def_env.s2s:show(match_jid) |
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491 local _print = self.session.print; |
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492 local print = self.session.print; |
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493 |
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494 local count_in, count_out = 0,0; |
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495 |
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496 for host, host_session in pairs(hosts) do |
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497 print = function (...) _print(host); _print(...); print = _print; end |
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498 for remotehost, session in pairs(host_session.s2sout) do |
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499 if (not match_jid) or remotehost:match(match_jid) or host:match(match_jid) then |
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500 count_out = count_out + 1; |
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501 print(" "..host.." -> "..remotehost..(session.secure and " (encrypted)" or "")..(session.compressed and " (compressed)" or "")); |
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502 if session.sendq then |
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503 print(" There are "..#session.sendq.." queued outgoing stanzas for this connection"); |
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504 end |
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505 if session.type == "s2sout_unauthed" then |
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506 if session.connecting then |
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507 print(" Connection not yet established"); |
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508 if not session.srv_hosts then |
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509 if not session.conn then |
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510 print(" We do not yet have a DNS answer for this host's SRV records"); |
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511 else |
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512 print(" This host has no SRV records, using A record instead"); |
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513 end |
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514 elseif session.srv_choice then |
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515 print(" We are on SRV record "..session.srv_choice.." of "..#session.srv_hosts); |
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516 local srv_choice = session.srv_hosts[session.srv_choice]; |
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517 print(" Using "..(srv_choice.target or ".")..":"..(srv_choice.port or 5269)); |
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518 end |
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519 elseif session.notopen then |
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520 print(" The <stream> has not yet been opened"); |
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521 elseif not session.dialback_key then |
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522 print(" Dialback has not been initiated yet"); |
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523 elseif session.dialback_key then |
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524 print(" Dialback has been requested, but no result received"); |
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525 end |
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526 end |
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527 end |
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528 end |
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529 local subhost_filter = function (h) |
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530 return (match_jid and h:match(match_jid)); |
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531 end |
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532 for session in pairs(incoming_s2s) do |
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533 if session.to_host == host and ((not match_jid) or host:match(match_jid) |
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534 or (session.from_host and session.from_host:match(match_jid)) |
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535 -- Pft! is what I say to list comprehensions |
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536 or (session.hosts and #array.collect(keys(session.hosts)):filter(subhost_filter)>0)) then |
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537 count_in = count_in + 1; |
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538 print(" "..host.." <- "..(session.from_host or "(unknown)")..(session.secure and " (encrypted)" or "")..(session.compressed and " (compressed)" or "")); |
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539 if session.type == "s2sin_unauthed" then |
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540 print(" Connection not yet authenticated"); |
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541 end |
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542 for name in pairs(session.hosts) do |
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543 if name ~= session.from_host then |
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544 print(" also hosts "..tostring(name)); |
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545 end |
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546 end |
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547 end |
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548 end |
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549 |
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550 print = _print; |
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551 end |
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552 |
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553 for session in pairs(incoming_s2s) do |
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554 if not session.to_host and ((not match_jid) or session.from_host and session.from_host:match(match_jid)) then |
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555 count_in = count_in + 1; |
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556 print("Other incoming s2s connections"); |
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557 print(" (unknown) <- "..(session.from_host or "(unknown)")); |
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558 end |
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559 end |
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560 |
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561 return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections"; |
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562 end |
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563 |
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564 function def_env.s2s:close(from, to) |
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565 local print, count = self.session.print, 0; |
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566 |
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567 if not (from and to) then |
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568 return false, "Syntax: s2s:close('from', 'to') - Closes all s2s sessions from 'from' to 'to'"; |
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569 elseif from == to then |
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570 return false, "Both from and to are the same... you can't do that :)"; |
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571 end |
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572 |
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573 if hosts[from] and not hosts[to] then |
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574 -- Is an outgoing connection |
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575 local session = hosts[from].s2sout[to]; |
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576 if not session then |
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577 print("No outgoing connection from "..from.." to "..to) |
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578 else |
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579 (session.close or s2smanager.destroy_session)(session); |
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580 count = count + 1; |
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581 print("Closed outgoing session from "..from.." to "..to); |
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582 end |
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583 elseif hosts[to] and not hosts[from] then |
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584 -- Is an incoming connection |
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585 for session in pairs(incoming_s2s) do |
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586 if session.to_host == to and session.from_host == from then |
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587 (session.close or s2smanager.destroy_session)(session); |
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588 count = count + 1; |
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589 end |
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590 end |
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591 |
|
592 if count == 0 then |
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593 print("No incoming connections from "..from.." to "..to); |
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594 else |
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595 print("Closed "..count.." incoming session"..((count == 1 and "") or "s").." from "..from.." to "..to); |
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596 end |
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597 elseif hosts[to] and hosts[from] then |
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598 return false, "Both of the hostnames you specified are local, there are no s2s sessions to close"; |
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599 else |
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600 return false, "Neither of the hostnames you specified are being used on this server"; |
|
601 end |
|
602 |
|
603 return true, "Closed "..count.." s2s session"..((count == 1 and "") or "s"); |
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604 end |
|
605 |
|
606 def_env.host = {}; def_env.hosts = def_env.host; |
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607 |
|
608 function def_env.host:activate(hostname, config) |
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609 return hostmanager.activate(hostname, config); |
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610 end |
|
611 function def_env.host:deactivate(hostname, reason) |
|
612 return hostmanager.deactivate(hostname, reason); |
|
613 end |
|
614 |
|
615 function def_env.host:list() |
|
616 local print = self.session.print; |
|
617 local i = 0; |
|
618 for host in values(array.collect(keys(prosody.hosts)):sort()) do |
|
619 i = i + 1; |
|
620 print(host); |
|
621 end |
|
622 return true, i.." hosts"; |
|
623 end |
|
624 |
|
625 ------------- |
|
626 |
|
627 function printbanner(session) |
|
628 local option = config.get("*", "core", "console_banner"); |
|
629 if option == nil or option == "full" or option == "graphic" then |
|
630 session.print [[ |
|
631 ____ \ / _ |
|
632 | _ \ _ __ ___ ___ _-_ __| |_ _ |
|
633 | |_) | '__/ _ \/ __|/ _ \ / _` | | | | |
|
634 | __/| | | (_) \__ \ |_| | (_| | |_| | |
|
635 |_| |_| \___/|___/\___/ \__,_|\__, | |
|
636 A study in simplicity |___/ |
|
637 |
|
638 ]] |
|
639 end |
|
640 if option == nil or option == "short" or option == "full" then |
|
641 session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); |
|
642 session.print("You may find more help on using this console in our online documentation at "); |
|
643 session.print("http://prosody.im/doc/console\n"); |
|
644 end |
|
645 if option and option ~= "short" and option ~= "full" and option ~= "graphic" then |
|
646 if type(option) == "string" then |
|
647 session.print(option) |
|
648 elseif type(option) == "function" then |
|
649 setfenv(option, redirect_output(_G, session)); |
|
650 pcall(option, session); |
|
651 end |
|
652 end |
|
653 end |
|
654 |
|
655 prosody.net_activate_ports("console", "console", {5582}, "tcp"); |
|