annotate mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua @ 728:8ad2e24f5efd

mod_host_guard: reduced code duplication and added better logging.
author Marco Cirillo <maranda@lightwitch.org>
date Tue, 26 Jun 2012 12:05:24 +0000
parents d9a4e2f11b07
children c9e2beec4ef6
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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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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
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Kim Alvefur <zash@zash.se>
parents:
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269 return "failure", "not-authorized", data.reason;
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Kim Alvefur <zash@zash.se>
parents:
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270 end
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Kim Alvefur <zash@zash.se>
parents:
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271 elseif resp == "CONT" then
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Kim Alvefur <zash@zash.se>
parents:
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272 return "challenge", unb64(data[1]);
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Kim Alvefur <zash@zash.se>
parents:
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273 elseif resp == "OK" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 return "success", data.resp and unb64(data.resp) or nil;
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Kim Alvefur <zash@zash.se>
parents:
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275 end
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Kim Alvefur <zash@zash.se>
parents:
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276 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
277
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 return _M;