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mod_listusers/mod_listusers.lua @ 4537:53ee391ca689
mod_smacks: Fix traceback due to session being destroyed in send()
Sending something can cause the OS to notice that the connection is dead
and then the connection can be dead at this point. More likely if
opportunistic_writes is enabled.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 01 Apr 2021 11:35:26 +0200 |
parent | 1056:b307b72ae527 |
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function module.command(args) local action = table.remove(args, 1); if not action then -- Default, list registered users local data_path = CFG_DATADIR or "data"; if not pcall(require, "luarocks.loader") then pcall(require, "luarocks.require"); end local lfs = require "lfs"; function decode(s) return s:gsub("%%([a-fA-F0-9][a-fA-F0-9])", function (c) return string.char(tonumber("0x"..c)); end); end for host in lfs.dir(data_path) do local accounts = data_path.."/"..host.."/accounts"; if lfs.attributes(accounts, "mode") == "directory" then for user in lfs.dir(accounts) do if user:sub(1,1) ~= "." then print(decode(user:gsub("%.dat$", "")).."@"..decode(host)); end end end end elseif action == "--connected" then -- List connected users local socket = require "socket"; local default_local_interfaces = { }; if socket.tcp6 and config.get("*", "use_ipv6") ~= false then table.insert(default_local_interfaces, "::1"); end if config.get("*", "use_ipv4") ~= false then table.insert(default_local_interfaces, "127.0.0.1"); end local console_interfaces = config.get("*", "console_interfaces") or config.get("*", "local_interfaces") or default_local_interfaces console_interfaces = type(console_interfaces)~="table" and {console_interfaces} or console_interfaces; local console_ports = config.get("*", "console_ports") or 5582 console_ports = type(console_ports) ~= "table" and { console_ports } or console_ports; local st, conn = pcall(assert,socket.connect(console_interfaces[1], console_ports[1])); if (not st) then print("Error"..(conn and ": "..conn or "")); return 1; end local banner = config.get("*", "console_banner"); if ( (not banner) or ( (type(banner) == "string") and (banner:match("^| (.+)$")) ) ) then repeat local rec_banner = conn:receive() until rec_banner == "" or rec_banner == nil; -- skip banner end conn:send("c2s:show()\n"); conn:settimeout(1); -- Only hit in case of failure repeat local line = conn:receive() if not line then break; end local jid = line:match("^| (.+)$"); if jid then jid = jid:gsub(" %- (%w+%(%d+%))$", "\t%1"); print(jid); elseif line:match("^| OK:") then return 0; end until false; end return 0; end