prosody
2fb5882fdef1
util/sasl/digest-md5.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/sasl/digest-md5.lua @ 4673:2fb5882fdef1

prosody: Load portmanager at startup, to ensure it is ready to receive item-added events when modules are loaded
author Matthew Wild <mwild1@gmail.com>
date Tue, 24 Apr 2012 13:37:35 +0100
parent 4113:65482a852c4d
child 5301:6279caf921f1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
1 -- sasl.lua v0.4
3094
5f625411b463 util.sasl: 2009 -> 2010 in copyright header.
Tobias Markmann <tm@ayena.de>
parents: 3092
diff changeset
2 -- Copyright (C) 2008-2010 Tobias Markmann
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
3 --
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
4 -- All rights reserved.
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
5 --
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
6 -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
7 --
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
8 -- * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
9 -- * 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.
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
10 -- * 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.
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
11 --
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
12 -- 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.
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
13
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
14 local tostring = tostring;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
15 local type = type;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
16
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
17 local s_gmatch = string.gmatch;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
18 local s_match = string.match;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
19 local t_concat = table.concat;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
20 local t_insert = table.insert;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
21 local to_byte, to_char = string.byte, string.char;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
22
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
23 local md5 = require "util.hashes".md5;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
24 local log = require "util.logger".init("sasl");
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
25 local generate_uuid = require "util.uuid".generate;
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
26
4113
65482a852c4d util.sasl.*: Add 'sasl.' prefix to module names
Matthew Wild <mwild1@gmail.com>
parents: 4049
diff changeset
27 module "sasl.digest-md5"
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
28
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
29 --=========================
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
30 --SASL DIGEST-MD5 according to RFC 2831
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
31
3092
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
32 --[[
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
33 Supported Authentication Backends
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
34
3122
579f17b9f948 util.sasl.*: Adjusting authentication provider names. All '-' replaced with '_'
Tobias Markmann <tm@ayena.de>
parents: 3094
diff changeset
35 digest_md5:
3092
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
36 function(username, domain, realm, encoding) -- domain and realm are usually the same; for some broken
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
37 -- implementations it's not
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
38 return digesthash, state;
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
39 end
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
40
3122
579f17b9f948 util.sasl.*: Adjusting authentication provider names. All '-' replaced with '_'
Tobias Markmann <tm@ayena.de>
parents: 3094
diff changeset
41 digest_md5_test:
3092
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
42 function(username, domain, realm, encoding, digesthash)
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
43 return true or false, state;
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
44 end
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
45 ]]
d32935878661 util.sasl: Moving SASL authentication backends documentation to the mechanism files.
Tobias Markmann <tm@ayena.de>
parents: 2936
diff changeset
46
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
47 local function digest(self, message)
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
48 --TODO complete support for authzid
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
49
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
50 local function serialize(message)
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
51 local data = ""
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
52
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
53 -- testing all possible values
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
54 if message["realm"] then data = data..[[realm="]]..message.realm..[[",]] end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
55 if message["nonce"] then data = data..[[nonce="]]..message.nonce..[[",]] end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
56 if message["qop"] then data = data..[[qop="]]..message.qop..[[",]] end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
57 if message["charset"] then data = data..[[charset=]]..message.charset.."," end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
58 if message["algorithm"] then data = data..[[algorithm=]]..message.algorithm.."," end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
59 if message["rspauth"] then data = data..[[rspauth=]]..message.rspauth.."," end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
60 data = data:gsub(",$", "")
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
61 return data
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
62 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
63
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
64 local function utf8tolatin1ifpossible(passwd)
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
65 local i = 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
66 while i <= #passwd do
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
67 local passwd_i = to_byte(passwd:sub(i, i));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
68 if passwd_i > 0x7F then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
69 if passwd_i < 0xC0 or passwd_i > 0xC3 then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
70 return passwd;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
71 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
72 i = i + 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
73 passwd_i = to_byte(passwd:sub(i, i));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
74 if passwd_i < 0x80 or passwd_i > 0xBF then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
75 return passwd;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
76 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
77 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
78 i = i + 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
79 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
80
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
81 local p = {};
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
82 local j = 0;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
83 i = 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
84 while (i <= #passwd) do
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
85 local passwd_i = to_byte(passwd:sub(i, i));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
86 if passwd_i > 0x7F then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
87 i = i + 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
88 local passwd_i_1 = to_byte(passwd:sub(i, i));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
89 t_insert(p, to_char(passwd_i%4*64 + passwd_i_1%64)); -- I'm so clever
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
90 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
91 t_insert(p, to_char(passwd_i));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
92 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
93 i = i + 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
94 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
95 return t_concat(p);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
96 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
97 local function latin1toutf8(str)
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
98 local p = {};
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
99 for ch in s_gmatch(str, ".") do
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
100 ch = to_byte(ch);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
101 if (ch < 0x80) then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
102 t_insert(p, to_char(ch));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
103 elseif (ch < 0xC0) then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
104 t_insert(p, to_char(0xC2, ch));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
105 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
106 t_insert(p, to_char(0xC3, ch - 64));
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
107 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
108 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
109 return t_concat(p);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
110 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
111 local function parse(data)
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
112 local message = {}
2212
7cb6460b18d8 Merge with trunk.
Tobias Markmann <tm@ayena.de>
parents: 2211
diff changeset
113 -- COMPAT: %z in the pattern to work around jwchat bug (sends "charset=utf-8\0")
2215
4678aa4567c8 SASL: Using locally mapped s_gmatch instead of unavailable gmatch.
Tobias Markmann <tm@ayena.de>
parents: 2212
diff changeset
114 for k, v in s_gmatch(data, [[([%w%-]+)="?([^",%z]*)"?,?]]) do -- FIXME The hacky regex makes me shudder
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
115 message[k] = v;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
116 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
117 return message;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
118 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
119
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
120 if not self.nonce then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
121 self.nonce = generate_uuid();
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
122 self.step = 0;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
123 self.nonce_count = {};
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
124 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
125
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
126 self.step = self.step + 1;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
127 if (self.step == 1) then
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
128 local challenge = serialize({ nonce = self.nonce,
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
129 qop = "auth",
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
130 charset = "utf-8",
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
131 algorithm = "md5-sess",
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
132 realm = self.realm});
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
133 return "challenge", challenge;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
134 elseif (self.step == 2) then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
135 local response = parse(message);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
136 -- check for replay attack
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
137 if response["nc"] then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
138 if self.nonce_count[response["nc"]] then return "failure", "not-authorized" end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
139 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
140
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
141 -- check for username, it's REQUIRED by RFC 2831
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
142 if not response["username"] then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
143 return "failure", "malformed-request";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
144 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
145 self["username"] = response["username"];
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
146
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
147 -- check for nonce, ...
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
148 if not response["nonce"] then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
149 return "failure", "malformed-request";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
150 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
151 -- check if it's the right nonce
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
152 if response["nonce"] ~= tostring(self.nonce) then return "failure", "malformed-request" end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
153 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
154
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
155 if not response["cnonce"] then return "failure", "malformed-request", "Missing entry for cnonce in SASL message." end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
156 if not response["qop"] then response["qop"] = "auth" end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
157
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
158 if response["realm"] == nil or response["realm"] == "" then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
159 response["realm"] = "";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
160 elseif response["realm"] ~= self.realm then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
161 return "failure", "not-authorized", "Incorrect realm value";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
162 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
163
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
164 local decoder;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
165 if response["charset"] == nil then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
166 decoder = utf8tolatin1ifpossible;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
167 elseif response["charset"] ~= "utf-8" then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
168 return "failure", "incorrect-encoding", "The client's response uses "..response["charset"].." for encoding with isn't supported by sasl.lua. Supported encodings are latin or utf-8.";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
169 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
170
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
171 local domain = "";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
172 local protocol = "";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
173 if response["digest-uri"] then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
174 protocol, domain = response["digest-uri"]:match("(%w+)/(.*)$");
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
175 if protocol == nil or domain == nil then return "failure", "malformed-request" end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
176 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
177 return "failure", "malformed-request", "Missing entry for digest-uri in SASL message."
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
178 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
179
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
180 --TODO maybe realm support
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
181 self.username = response["username"];
2258
e4c5d0d21ac7 util.sasl.digest-md5: Fixing some variable access.
Tobias Markmann <tm@ayena.de>
parents: 2255
diff changeset
182 local Y, state;
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
183 if self.profile.plain then
4049
fe6f4a255fd8 util.sasl.*, mod_auth_*, mod_saslauth: Pass SASL handler as first parameter to SASL profile callbacks.
Waqas Hussain <waqas20@gmail.com>
parents: 3124
diff changeset
184 local password, state = self.profile.plain(self, response["username"], self.realm)
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
185 if state == nil then return "failure", "not-authorized"
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
186 elseif state == false then return "failure", "account-disabled" end
2189
1182e7ae2964 Broken DIGEST-MD5 client support again.
Tobias Markmann <tm@ayena.de>
parents: 2188
diff changeset
187 Y = md5(response["username"]..":"..response["realm"]..":"..password);
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
188 elseif self.profile["digest-md5"] then
4049
fe6f4a255fd8 util.sasl.*, mod_auth_*, mod_saslauth: Pass SASL handler as first parameter to SASL profile callbacks.
Waqas Hussain <waqas20@gmail.com>
parents: 3124
diff changeset
189 Y, state = self.profile["digest-md5"](self, response["username"], self.realm, response["realm"], response["charset"])
2191
e79c0ce6cf54 Adding support for digest-md5 profile in DIGEST-MD5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2189
diff changeset
190 if state == nil then return "failure", "not-authorized"
e79c0ce6cf54 Adding support for digest-md5 profile in DIGEST-MD5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2189
diff changeset
191 elseif state == false then return "failure", "account-disabled" end
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
192 elseif self.profile["digest-md5-test"] then
2189
1182e7ae2964 Broken DIGEST-MD5 client support again.
Tobias Markmann <tm@ayena.de>
parents: 2188
diff changeset
193 -- TODO
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
194 end
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
195 --local password_encoding, Y = self.credentials_handler("DIGEST-MD5", response["username"], self.realm, response["realm"], decoder);
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
196 --if Y == nil then return "failure", "not-authorized"
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
197 --elseif Y == false then return "failure", "account-disabled" end
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
198 local A1 = "";
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
199 if response.authzid then
2193
8fbbdb11a520 Merge with sasl branch.
Tobias Markmann <tm@ayena.de>
parents: 2192
diff changeset
200 if response.authzid == self.username or response.authzid == self.username.."@"..self.realm then
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
201 -- COMPAT
2193
8fbbdb11a520 Merge with sasl branch.
Tobias Markmann <tm@ayena.de>
parents: 2192
diff changeset
202 log("warn", "Client is violating RFC 3920 (section 6.1, point 7).");
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
203 A1 = Y..":"..response["nonce"]..":"..response["cnonce"]..":"..response.authzid;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
204 else
2193
8fbbdb11a520 Merge with sasl branch.
Tobias Markmann <tm@ayena.de>
parents: 2192
diff changeset
205 return "failure", "invalid-authzid";
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
206 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
207 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
208 A1 = Y..":"..response["nonce"]..":"..response["cnonce"];
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
209 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
210 local A2 = "AUTHENTICATE:"..protocol.."/"..domain;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
211
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
212 local HA1 = md5(A1, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
213 local HA2 = md5(A2, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
214
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
215 local KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
216 local response_value = md5(KD, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
217
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
218 if response_value == response["response"] then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
219 -- calculate rspauth
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
220 A2 = ":"..protocol.."/"..domain;
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
221
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
222 HA1 = md5(A1, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
223 HA2 = md5(A2, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
224
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
225 KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
226 local rspauth = md5(KD, true);
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
227 self.authenticated = true;
2568
25e1a544a096 util.sasl.digest-md5: Revert changeset 6094a4e2b6f3 as it breaks some clients, re-visit some time down the line
Matthew Wild <mwild1@gmail.com>
parents: 2211
diff changeset
228 --TODO: considering sending the rspauth in a success node for saving one roundtrip; allowed according to http://tools.ietf.org/html/draft-saintandre-rfc3920bis-09#section-7.3.6
25e1a544a096 util.sasl.digest-md5: Revert changeset 6094a4e2b6f3 as it breaks some clients, re-visit some time down the line
Matthew Wild <mwild1@gmail.com>
parents: 2211
diff changeset
229 return "challenge", serialize({rspauth = rspauth});
2186
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
230 else
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
231 return "failure", "not-authorized", "The response provided by the client doesn't match the one we calculated."
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
232 end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
233 elseif self.step == 3 then
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
234 if self.authenticated ~= nil then return "success"
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
235 else return "failure", "malformed-request" end
1112871916eb Move each mechanism in an own file.
Tobias Markmann <tm@ayena.de>
parents:
diff changeset
236 end
2188
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
237 end
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
238
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
239 function init(registerMechanism)
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
240 registerMechanism("DIGEST-MD5", {"plain"}, digest);
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
241 end
1fd38975addd Add support for plain profile in digest-md5 implementation.
Tobias Markmann <tm@ayena.de>
parents: 2186
diff changeset
242
4113
65482a852c4d util.sasl.*: Add 'sasl.' prefix to module names
Matthew Wild <mwild1@gmail.com>
parents: 4049
diff changeset
243 return _M;