require "util.iterators";
local jid_bare = require "util.jid".bare;
local set, array = require "util.set", require "util.array";
+local cert_verify_identity = require "util.certverification".verify_identity;
local commands = {};
local def_env = {};
prosody.console = { commands = commands, env = def_env };
local function redirect_output(_G, session)
- return setmetatable({ print = session.print }, { __index = function (t, k) return rawget(_G, k); end, __newindex = function (t, k, v) rawset(_G, k, v); end });
+ 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 = {};
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;
+ 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);
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];
-
- 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)
- local useglobalenv;
-
- if data:match("^>") then
- data = data:gsub("^>", "");
- useglobalenv = true;
- elseif data == "\004" then
- commands["bye"](session, data);
+
+ -- 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;
- else
- local command = data:lower();
- command = data:match("^%w+") or data:match("%p");
- if commands[command] then
- commands[command](session, data);
- return;
- end
end
+ end
- session.env._ = data;
-
- local chunk, err = loadstring("return "..data);
+ 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
- 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
-
- 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);
+ 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
-
- 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);
- 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
commands.quit, commands.exit = commands.bye, commands.bye;
commands["!"] = function (session, data)
- if data:match("^!!") then
+ if data:match("^!!") and session.env._ then
session.print("!> "..session.env._);
return console_listener.onincoming(session.conn, session.env._);
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+)");
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]]
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]]
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 "",
+ 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
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 ""));
+ print(" "..host.." -> "..remotehost..(session.cert_identity_status == "valid" and " (secure)" or "")..(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
end
end
end
- local subhost_filter = function (h)
+ 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)
+ 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 ""));
+ print(" "..host.." <- "..(session.from_host or "(unknown)")..(session.cert_identity_status == "valid" and " (secure)" or "")..(session.secure and " (encrypted)" or "")..(session.compressed and " (compressed)" or ""));
if session.type == "s2sin_unauthed" then
print(" Connection not yet authenticated");
end
return true, "Total: "..count_out.." outgoing, "..count_in.." incoming connections";
end
+local function print_subject(print, subject)
+ for _, entry in ipairs(subject) do
+ print(
+ (" %s: %q"):format(
+ entry.name or entry.oid,
+ entry.value:gsub("[\r\n%z%c]", " ")
+ )
+ );
+ end
+end
+
+function def_env.s2s:showcert(domain)
+ local ser = require "util.serialization".serialize;
+ local print = self.session.print;
+ local domain_sessions = set.new(array.collect(keys(incoming_s2s)))
+ /function(session) return session.from_host == domain; end;
+ for local_host in values(prosody.hosts) do
+ local s2sout = local_host.s2sout;
+ if s2sout and s2sout[domain] then
+ domain_sessions:add(s2sout[domain]);
+ end
+ end
+ local cert_set = {};
+ for session in domain_sessions do
+ local conn = session.conn;
+ conn = conn and conn:socket();
+ if not conn.getpeercertificate then
+ if conn.dohandshake then
+ error("This version of LuaSec does not support certificate viewing");
+ end
+ else
+ local cert = conn:getpeercertificate();
+ if cert then
+ local digest = cert:digest("sha1");
+ if not cert_set[digest] then
+ local chain_valid, chain_err = conn:getpeerchainvalid();
+ cert_set[digest] = {
+ {
+ from = session.from_host,
+ to = session.to_host,
+ direction = session.direction
+ };
+ chain_valid = chain_valid;
+ chain_err = chain_err;
+ cert = cert;
+ };
+ else
+ table.insert(cert_set[digest], {
+ from = session.from_host,
+ to = session.to_host,
+ direction = session.direction
+ });
+ end
+ end
+ end
+ end
+ local domain_certs = array.collect(values(cert_set));
+ -- Phew. We now have a array of unique certificates presented by domain.
+ local print = self.session.print;
+ local n_certs = #domain_certs;
+
+ if n_certs == 0 then
+ return "No certificates found for "..domain;
+ end
+
+ local function _capitalize_and_colon(byte)
+ return string.upper(byte)..":";
+ end
+ local function pretty_fingerprint(hash)
+ return hash:gsub("..", _capitalize_and_colon):sub(1, -2);
+ end
+
+ for cert_info in values(domain_certs) do
+ local cert = cert_info.cert;
+ print("---")
+ print("Fingerprint (SHA1): "..pretty_fingerprint(cert:digest("sha1")));
+ print("");
+ local n_streams = #cert_info;
+ print("Currently used on "..n_streams.." stream"..(n_streams==1 and "" or "s")..":");
+ for _, stream in ipairs(cert_info) do
+ if stream.direction == "incoming" then
+ print(" "..stream.to.." <- "..stream.from);
+ else
+ print(" "..stream.from.." -> "..stream.to);
+ end
+ end
+ print("");
+ local chain_valid, err = cert_info.chain_valid, cert_info.chain_err;
+ local valid_identity = cert_verify_identity(domain, "xmpp-server", cert);
+ print("Trusted certificate: "..(chain_valid and "Yes" or ("No ("..err..")")));
+ print("Issuer: ");
+ print_subject(print, cert:issuer());
+ print("");
+ print("Valid for "..domain..": "..(valid_identity and "Yes" or "No"));
+ print("Subject:");
+ print_subject(print, cert:subject());
+ end
+ print("---");
+ return ("Showing "..n_certs.." certificate"
+ ..(n_certs==1 and "" or "s")
+ .." presented by "..domain..".");
+end
+
function def_env.s2s:close(from, to)
local print, count = self.session.print, 0;
if hosts[from] and not hosts[to] then
-- Is an outgoing connection
local session = hosts[from].s2sout[to];
- if not session then
+ if not session then
print("No outgoing connection from "..from.." to "..to)
else
(session.close or s2smanager.destroy_session)(session);
end
def_env.host = {}; def_env.hosts = def_env.host;
+
function def_env.host:activate(hostname, config)
- local hostmanager_activate = require "core.hostmanager".activate;
- if hosts[hostname] then
- return false, "The host "..tostring(hostname).." is already activated";
- end
-
- local defined_hosts = config or configmanager.getconfig();
- if not config and not defined_hosts[hostname] then
- return false, "Couldn't find "..tostring(hostname).." defined in the config, perhaps you need to config:reload()?";
- end
- hostmanager_activate(hostname, config or defined_hosts[hostname]);
- return true, "Host "..tostring(hostname).." activated";
+ return hostmanager.activate(hostname, config);
end
-
function def_env.host:deactivate(hostname, reason)
- local hostmanager_deactivate = require "core.hostmanager".deactivate;
- local host = hosts[hostname];
- if not host then
- return false, "The host "..tostring(hostname).." is not activated";
- end
- if reason then
- reason = { condition = "host-gone", text = reason };
- end
- hostmanager_deactivate(hostname, reason);
- return true, "Host "..tostring(hostname).." deactivated";
+ return hostmanager.deactivate(hostname, reason);
end
function def_env.host:list()