Annotate

mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua @ 474:942738953ff3

mod_auth_dovecot: Replace with SASL proxying version.
author Kim Alvefur <zash@zash.se>
date Thu, 10 Nov 2011 11:24:31 +0100
child 700:0c130c45b7c1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
474
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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 if not pid then pid = tonumber(tostring(conn):match("0x%x*$")) end
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48
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49 local socket_type = (type(socket_info) == "string") and "UNIX" or "TCP";
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50
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51 local ok, err;
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52 if socket_type == "TCP" then
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53 local socket_host, socket_port = unpack(socket_info);
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54 conn = socket.tcp();
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55 ok, err = conn:connect(socket_host, socket_port);
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56 socket_path = ("%s:%d"):format(socket_host, socket_port);
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57 elseif socket.unix then
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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, 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 log("debug", "sending handshake to dovecot. version 1.1, cpid '%d'", pid);
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71 if not conn:send("VERSION\t1\t1\n") then
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72 return false
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73 end
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74 if not conn:send("CPID\t" .. pid .. "\n") then
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75 return false
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76 end
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77
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78 -- Parse Dovecot's handshake
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79 local done = false;
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80 supported_mechs = {};
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81 while (not done) do
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82 local line = conn:receive();
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83 if not line then
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84 return false;
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85 end
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86
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87 --log("debug", "dovecot handshake: '%s'", line);
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88 local parts = line:gmatch("[^\t]+");
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89 local first = parts();
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90 if first == "VERSION" then
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91 -- Version should be 1.1
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92 local major_version = parts();
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93
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94 if major_version ~= "1" then
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95 log("error", "dovecot server version is not 1.x. it is %s.x", major_version);
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96 conn:close();
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97 return false;
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98 end
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99 elseif first == "MECH" then
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100 local mech = parts();
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101 supported_mechs[mech] = true;
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102 elseif first == "DONE" then
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103 done = true;
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104 end
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105 end
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106 return conn, supported_mechs;
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107 end
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108
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109 -- create a new SASL object which can be used to authenticate clients
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110 function _M.new(realm, service_name, socket_info, config)
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111 --log("debug", "new(%q, %q, %q)", realm or "", service_name or "", socket_info or "");
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112 local sasl_i = { realm = realm, service_name = service_name, socket_info = socket_info, config = config or {} };
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113
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114 request_id = request_id + 1;
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115 sasl_i.request_id = request_id;
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116 local conn, mechs = conn, supported_mechs;
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117 if not conn then
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118 conn, mechs = connect(socket_info);
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119 if not conn then
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120 return nil, "Socket connection failure";
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121 end
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122 end
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123 sasl_i.conn, sasl_i.mechs = conn, mechs;
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124 return setmetatable(sasl_i, method);
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125 end
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126
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127 -- [[
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128 function method:send(...)
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129 local msg = t_concat({...}, "\t");
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130 local ok, err = self.conn:send(authmsg.."\n");
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131 if not ok then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 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
133 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 function method:recv()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 local line, err = self.conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 --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
141 local line, err = self.conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 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
144 return nil, err;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 return line;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 -- ]]
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 function method:plain_test(username, password, realm)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 if self:select("PLAIN") then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 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
153 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 -- 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
157 function method:clean_clone()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 --log("debug", "method:clean_clone()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 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
160 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 -- 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
163 function method:mechanisms()
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 --log("debug", "method:mechanisms()");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 return self.mechs;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 -- select a mechanism to use
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 function method:select(mechanism)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 --log("debug", "method:select(%q)", mechanism);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 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
172 self.selected = mechanism;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 return true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 -- 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
178 function method:process(message)
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 --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
180 --if not message then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 --return "challenge";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 --return "failure", "malformed-request";
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 --end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 local request_id = self.request_id;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 local authmsg;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 if not self.started then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 self.started = true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 authmsg = t_concat({
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 "AUTH",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 self.selected,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 "service="..self.service_name,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 "resp="..(message and b64(message) or "=")
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 }, "\t");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 authmsg = t_concat({
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 "CONT",
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 request_id,
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 (message and b64(message) or "=")
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 }, "\t");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 --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
203 local ok, err = self.conn:send(authmsg.."\n");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 if not ok then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 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
206 return "failure", "internal-server-error", err
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", "Sent %d bytes to socket", ok);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 local line, err = self.conn:receive();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 if not line then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 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
212 return "failure", "internal-server-error", err
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", "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
215
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 local parts = line:gmatch("[^\t]+");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local resp = parts();
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 local id = tonumber(parts());
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 if id ~= request_id then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 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
222 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 local data = {};
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 for param in parts do
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 data[#data+1]=param;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 local k,v = param:match("^([^=]*)=?(.*)$");
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 if k and #k>0 then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 data[k]=v or true;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 if data.user then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 local handle_domain = self.config.handle_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235 local validate_domain = self.config.validate_domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 if handle_domain == "split" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 local domain;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 self.username, domain = prepped_split(data.user);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 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
240 return "failure", "not-authorized", "Domain mismatch";
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 elseif handle_domain == "escape" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 self.username = nodeprep(jid_escape(data.user));
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 self.username = nodeprep(data.user);
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 if not self.username then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 return "failure", "not-authorized", "Username failed NODEprep"
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 if resp == "FAIL" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 if data.temp then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 return "failure", "temporary-auth-failure", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 elseif data.authz then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 return "failure", "invalid-authzid", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 else
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 return "failure", "not-authorized", data.reason;
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
259 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 elseif resp == "CONT" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 return "challenge", unb64(data[1]);
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 elseif resp == "OK" then
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 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
264 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 end
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266
942738953ff3 mod_auth_dovecot: Replace with SASL proxying version.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 return _M;