prosody-modules: mod_auth_dovecot/auth_dovecot/sasl

annotate mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua @ 833:30d49c26d219

mod_carbons: Optimize and clarify (thanks waqas)

author	Kim Alvefur <zash@zash.se>
date	Tue, 18 Sep 2012 21:05:41 +0200
parents	d9a4e2f11b07
children	c9e2beec4ef6

rev	line source
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	1 -- Dovecot authentication backend for Prosody
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	2 --
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	3 -- Copyright (C) 2008-2009 Tobias Markmann
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	4 -- Copyright (C) 2010 Javier Torres
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	5 -- Copyright (C) 2010-2011 Matthew Wild
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	6 -- Copyright (C) 2010-2011 Waqas Hussain
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	7 -- Copyright (C) 2011 Kim Alvefur
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	8 --
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	9 -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	10 --
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	11 -- * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	12 -- * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	13 -- * Neither the name of Tobias Markmann nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	14 --
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	15 -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	16
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	17 -- This code is based on util.sasl_cyrus and the old mod_auth_dovecot
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	18
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	19 local log = require "util.logger".init("sasl_dovecot");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	20
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	21 local setmetatable = setmetatable;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	22
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	23 local s_match, s_gmatch = string.match, string.gmatch
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	24 local t_concat = table.concat;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	25 local m_random = math.random;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	26 local tostring, tonumber = tostring, tonumber;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	27
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	28 local socket = require "socket"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	29 pcall(require, "socket.unix");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	30 local base64 = require "util.encodings".base64;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	31 local b64, unb64 = base64.encode, base64.decode;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	32 local jid_escape = require "util.jid".escape;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	33 local prepped_split = require "util.jid".prepped_split;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	34 local nodeprep = require "util.encodings".stringprep.nodeprep;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	35
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	36 --module "sasl_dovecot"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	37 local _M = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	38
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	39 local request_id = 0;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	40 local method = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	41 method.__index = method;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	42 local conn, supported_mechs, pid;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	43
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	44 local function connect(socket_info)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	45 --log("debug", "connect(%q)", socket_path);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	46 if conn then conn:close(); pid = nil; end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	47
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	48 local socket_type = (type(socket_info) == "string") and "UNIX" or "TCP";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	49
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	50 local ok, err, socket_path;
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	51 if socket_type == "TCP" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	52 local socket_host, socket_port = unpack(socket_info);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	53 conn = socket.tcp();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	54 ok, err = conn:connect(socket_host, socket_port);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	55 socket_path = ("%s:%d"):format(socket_host, socket_port);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	56 elseif socket.unix then
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	57 socket_path = socket_info;
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	58 conn = socket.unix();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	59 ok, err = conn:connect(socket_path);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	60 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	61 err = "luasocket was not compiled with UNIX sockets support";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	62 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	63
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	64 if not ok then
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	65 log("error", "error connecting to dovecot %s socket at '%s'. error was '%s'", socket_type, socket_path or socket_info, err);
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	66 return false;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	67 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	68
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	69 -- Send our handshake
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	70 pid = tonumber(tostring(conn):match("0x%x*$"));
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	71 log("debug", "sending handshake to dovecot. version 1.1, cpid '%d'", pid);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	72 if not conn:send("VERSION\t1\t1\n") then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	73 return false
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	74 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	75 if not conn:send("CPID\t" .. pid .. "\n") then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	76 return false
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	77 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	78
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	79 -- Parse Dovecot's handshake
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	80 local done = false;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	81 supported_mechs = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	82 while (not done) do
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	83 local line = conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	84 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	85 return false;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	86 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	87
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	88 --log("debug", "dovecot handshake: '%s'", line);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	89 local parts = line:gmatch("[^\t]+");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	90 local first = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	91 if first == "VERSION" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	92 -- Version should be 1.1
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	93 local major_version = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	94
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	95 if major_version ~= "1" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	96 log("error", "dovecot server version is not 1.x. it is %s.x", major_version);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	97 conn:close();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	98 return false;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	99 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	100 elseif first == "MECH" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	101 local mech = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	102 supported_mechs[mech] = true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	103 elseif first == "DONE" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	104 done = true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	105 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	106 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	107 return conn, supported_mechs;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	108 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	109
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	110 -- create a new SASL object which can be used to authenticate clients
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	111 function _M.new(realm, service_name, socket_info, config)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	112 --log("debug", "new(%q, %q, %q)", realm or "", service_name or "", socket_info or "");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	113 local sasl_i = { realm = realm, service_name = service_name, socket_info = socket_info, config = config or {} };
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	114
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	115 request_id = request_id + 1;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	116 sasl_i.request_id = request_id;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	117 local conn, mechs = conn, supported_mechs;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	118 if not conn then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	119 conn, mechs = connect(socket_info);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	120 if not conn then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	121 return nil, "Socket connection failure";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	122 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	123 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	124 sasl_i.conn, sasl_i.mechs = conn, mechs;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	125 return setmetatable(sasl_i, method);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	126 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	127
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	128 -- [[
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	129 function method:send(...)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	130 local msg = t_concat({...}, "\t");
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	131 if msg:sub(-1) ~= "\n" then
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	132 msg = msg .. "\n"
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	133 end
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	134 module:log("debug", "sending %q", msg:sub(1,-2));
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	135 local ok, err = self.conn:send(msg);
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	136 if not ok then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	137 log("error", "Could not write to socket: %s", err);
708 d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	138 if err == "closed" then
d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	139 conn = nil;
d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	140 end
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	141 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	142 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	143 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	144 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	145
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	146 function method:recv()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	147 --log("debug", "Sent %d bytes to socket", ok);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	148 local line, err = self.conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	149 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	150 log("error", "Could not read from socket: %s", err);
708 d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	151 if err == "closed" then
d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	152 conn = nil;
d9a4e2f11b07 mod_auth_dovecot: If the connection fails, nuke it so the next attempt causes a reconnect. Kim Alvefur <zash@zash.se> parents: 700 diff changeset	153 end
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	154 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	155 end
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	156 module:log("debug", "received %q", line);
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	157 return line;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	158 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	159 -- ]]
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	160
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	161 function method:plain_test(username, password, realm)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	162 if self:select("PLAIN") then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	163 return self:process(("\0%s\0%s"):format(username, password));
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	164 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	165 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	166
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	167 -- get a fresh clone with the same realm and service name
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	168 function method:clean_clone()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	169 --log("debug", "method:clean_clone()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	170 return _M.new(self.realm, self.service_name, self.socket_info, self.config)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	171 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	172
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	173 -- get a list of possible SASL mechanims to use
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	174 function method:mechanisms()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	175 --log("debug", "method:mechanisms()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	176 return self.mechs;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	177 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	178
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	179 -- select a mechanism to use
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	180 function method:select(mechanism)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	181 --log("debug", "method:select(%q)", mechanism);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	182 if not self.selected and self.mechs[mechanism] then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	183 self.selected = mechanism;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	184 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	185 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	186 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	187
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	188 -- feed new messages to process into the library
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	189 function method:process(message)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	190 --log("debug", "method:process"..(message and "(%q)" or "()"), message);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	191 --if not message then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	192 --return "challenge";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	193 --return "failure", "malformed-request";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	194 --end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	195 local request_id = self.request_id;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	196 local authmsg;
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	197 local ok, err;
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	198 if not self.started then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	199 self.started = true;
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	200 ok, err = self:send(
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	201 "AUTH",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	202 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	203 self.selected,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	204 "service="..self.service_name,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	205 "resp="..(message and b64(message) or "=")
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	206 );
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	207 else
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	208 ok, err = self:send(
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	209 "CONT",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	210 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	211 (message and b64(message) or "=")
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	212 );
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	213 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	214 --log("debug", "Sending %d bytes: %q", #authmsg, authmsg);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	215 if not ok then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	216 log("error", "Could not write to socket: %s", err);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	217 return "failure", "internal-server-error", err
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	218 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	219 --log("debug", "Sent %d bytes to socket", ok);
700 0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated. Kim Alvefur <zash@zash.se> parents: 474 diff changeset	220 local line, err = self:recv();
474 942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	221 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	222 log("error", "Could not read from socket: %s", err);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	223 return "failure", "internal-server-error", err
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	224 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	225 --log("debug", "Received %d bytes from socket: %s", #line, line);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	226
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	227 local parts = line:gmatch("[^\t]+");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	228 local resp = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	229 local id = tonumber(parts());
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	230
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	231 if id ~= request_id then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	232 return "failure", "internal-server-error", "Unexpected request id"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	233 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	234
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	235 local data = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	236 for param in parts do
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	237 data[#data+1]=param;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	238 local k,v = param:match("^([^=])=?(.)$");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	239 if k and #k>0 then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	240 data[k]=v or true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	241 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	242 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	243
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	244 if data.user then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	245 local handle_domain = self.config.handle_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	246 local validate_domain = self.config.validate_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	247 if handle_domain == "split" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	248 local domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	249 self.username, domain = prepped_split(data.user);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	250 if validate_domain and domain ~= self.realm then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	251 return "failure", "not-authorized", "Domain mismatch";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	252 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	253 elseif handle_domain == "escape" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	254 self.username = nodeprep(jid_escape(data.user));
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	255 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	256 self.username = nodeprep(data.user);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	257 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	258 if not self.username then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	259 return "failure", "not-authorized", "Username failed NODEprep"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	260 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	261 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	262
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	263 if resp == "FAIL" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	264 if data.temp then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	265 return "failure", "temporary-auth-failure", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	266 elseif data.authz then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	267 return "failure", "invalid-authzid", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	268 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	269 return "failure", "not-authorized", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	270 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	271 elseif resp == "CONT" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	272 return "challenge", unb64(data[1]);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	273 elseif resp == "OK" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	274 return "success", data.resp and unb64(data.resp) or nil;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	275 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	276 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	277
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version. Kim Alvefur <zash@zash.se> parents: diff changeset	278 return _M;

Mercurial > prosody-modules

annotate mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua @ 833:30d49c26d219