Annotate

mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua @ 700:0c130c45b7c1

mod_auth_dovecot: Old forgotten changes. Testing appreciated.
author Kim Alvefur <zash@zash.se>
date Thu, 07 Jun 2012 23:41:25 +0200
parent 474:942738953ff3
child 708:d9a4e2f11b07
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1 -- Dovecot authentication backend for Prosody
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2 --
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3 -- Copyright (C) 2008-2009 Tobias Markmann
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4 -- Copyright (C) 2010 Javier Torres
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5 -- Copyright (C) 2010-2011 Matthew Wild
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6 -- Copyright (C) 2010-2011 Waqas Hussain
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7 -- Copyright (C) 2011 Kim Alvefur
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8 --
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9 -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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10 --
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11 -- * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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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.
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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.
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14 --
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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.
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16
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17 -- This code is based on util.sasl_cyrus and the old mod_auth_dovecot
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18
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19 local log = require "util.logger".init("sasl_dovecot");
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20
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21 local setmetatable = setmetatable;
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22
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23 local s_match, s_gmatch = string.match, string.gmatch
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24 local t_concat = table.concat;
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25 local m_random = math.random;
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26 local tostring, tonumber = tostring, tonumber;
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27
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28 local socket = require "socket"
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29 pcall(require, "socket.unix");
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30 local base64 = require "util.encodings".base64;
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31 local b64, unb64 = base64.encode, base64.decode;
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32 local jid_escape = require "util.jid".escape;
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33 local prepped_split = require "util.jid".prepped_split;
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34 local nodeprep = require "util.encodings".stringprep.nodeprep;
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35
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36 --module "sasl_dovecot"
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37 local _M = {};
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38
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39 local request_id = 0;
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40 local method = {};
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41 method.__index = method;
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42 local conn, supported_mechs, pid;
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43
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44 local function connect(socket_info)
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45 --log("debug", "connect(%q)", socket_path);
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46 if conn then conn:close(); pid = nil; end
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47
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48 local socket_type = (type(socket_info) == "string") and "UNIX" or "TCP";
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49
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50 local ok, err, socket_path;
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51 if socket_type == "TCP" then
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52 local socket_host, socket_port = unpack(socket_info);
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53 conn = socket.tcp();
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54 ok, err = conn:connect(socket_host, socket_port);
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55 socket_path = ("%s:%d"):format(socket_host, socket_port);
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56 elseif socket.unix then
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57 socket_path = socket_info;
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58 conn = socket.unix();
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59 ok, err = conn:connect(socket_path);
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60 else
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61 err = "luasocket was not compiled with UNIX sockets support";
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62 end
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63
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64 if not ok then
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65 log("error", "error connecting to dovecot %s socket at '%s'. error was '%s'", socket_type, socket_path or socket_info, err);
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66 return false;
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67 end
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68
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69 -- Send our handshake
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70 pid = tonumber(tostring(conn):match("0x%x*$"));
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71 log("debug", "sending handshake to dovecot. version 1.1, cpid '%d'", pid);
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72 if not conn:send("VERSION\t1\t1\n") then
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73 return false
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74 end
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75 if not conn:send("CPID\t" .. pid .. "\n") then
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76 return false
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77 end
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78
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79 -- Parse Dovecot's handshake
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80 local done = false;
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81 supported_mechs = {};
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82 while (not done) do
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83 local line = conn:receive();
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84 if not line then
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85 return false;
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86 end
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87
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88 --log("debug", "dovecot handshake: '%s'", line);
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89 local parts = line:gmatch("[^\t]+");
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90 local first = parts();
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91 if first == "VERSION" then
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92 -- Version should be 1.1
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93 local major_version = parts();
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94
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95 if major_version ~= "1" then
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96 log("error", "dovecot server version is not 1.x. it is %s.x", major_version);
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97 conn:close();
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98 return false;
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99 end
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100 elseif first == "MECH" then
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101 local mech = parts();
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102 supported_mechs[mech] = true;
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103 elseif first == "DONE" then
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104 done = true;
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105 end
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106 end
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107 return conn, supported_mechs;
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108 end
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109
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110 -- create a new SASL object which can be used to authenticate clients
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111 function _M.new(realm, service_name, socket_info, config)
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112 --log("debug", "new(%q, %q, %q)", realm or "", service_name or "", socket_info or "");
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113 local sasl_i = { realm = realm, service_name = service_name, socket_info = socket_info, config = config or {} };
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114
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115 request_id = request_id + 1;
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116 sasl_i.request_id = request_id;
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117 local conn, mechs = conn, supported_mechs;
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118 if not conn then
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119 conn, mechs = connect(socket_info);
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120 if not conn then
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121 return nil, "Socket connection failure";
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122 end
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123 end
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124 sasl_i.conn, sasl_i.mechs = conn, mechs;
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125 return setmetatable(sasl_i, method);
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126 end
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127
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128 -- [[
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129 function method:send(...)
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130 local msg = t_concat({...}, "\t");
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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);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 function method:recv()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 --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
145 local line, err = self.conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 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
148 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 end
700
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated.
Kim Alvefur <zash@zash.se>
parents: 474
diff changeset
150 module:log("debug", "received %q", line);
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 return line;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 -- ]]
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 function method:plain_test(username, password, realm)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 if self:select("PLAIN") then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 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
158 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 end
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 -- 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
162 function method:clean_clone()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 --log("debug", "method:clean_clone()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 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
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 list of possible SASL mechanims to use
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 function method:mechanisms()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 --log("debug", "method:mechanisms()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 return self.mechs;
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 -- select a mechanism to use
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 function method:select(mechanism)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 --log("debug", "method:select(%q)", mechanism);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 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
177 self.selected = mechanism;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 -- 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
183 function method:process(message)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 --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
185 --if not message then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 --return "challenge";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 --return "failure", "malformed-request";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 --end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 local request_id = self.request_id;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 local authmsg;
700
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated.
Kim Alvefur <zash@zash.se>
parents: 474
diff changeset
191 local ok, err;
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 if not self.started then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 self.started = true;
700
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated.
Kim Alvefur <zash@zash.se>
parents: 474
diff changeset
194 ok, err = self:send(
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 "AUTH",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 self.selected,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 "service="..self.service_name,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 "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
200 );
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 else
700
0c130c45b7c1 mod_auth_dovecot: Old forgotten changes. Testing appreciated.
Kim Alvefur <zash@zash.se>
parents: 474
diff changeset
202 ok, err = self:send(
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 "CONT",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 (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 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 --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
209 if not ok then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 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
211 return "failure", "internal-server-error", err
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 --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
214 local line, err = self:recv();
474
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 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
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", "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
220
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 local parts = line:gmatch("[^\t]+");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 local resp = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 local id = tonumber(parts());
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 if id ~= request_id then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 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
227 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 local data = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 for param in parts do
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 data[#data+1]=param;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 local k,v = param:match("^([^=]*)=?(.*)$");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 if k and #k>0 then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 data[k]=v or true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 if data.user then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 local handle_domain = self.config.handle_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 local validate_domain = self.config.validate_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 if handle_domain == "split" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 local domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 self.username, domain = prepped_split(data.user);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244 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
245 return "failure", "not-authorized", "Domain mismatch";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 elseif handle_domain == "escape" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 self.username = nodeprep(jid_escape(data.user));
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 self.username = nodeprep(data.user);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 if not self.username then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 return "failure", "not-authorized", "Username failed NODEprep"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 if resp == "FAIL" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 if data.temp then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
259 return "failure", "temporary-auth-failure", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 elseif data.authz then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 return "failure", "invalid-authzid", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 return "failure", "not-authorized", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 elseif resp == "CONT" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 return "challenge", unb64(data[1]);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 elseif resp == "OK" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 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
269 end
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
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 return _M;