Software / code / prosody
Annotate
util/sasl.lua @ 1305:37657578ea85
util.sasl: Remove some nastiness
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Thu, 04 Jun 2009 20:27:53 +0500 |
| parent | 1161:5bc2b7b5b81d |
| child | 1374:e85726d084d6 |
| rev | line source |
|---|---|
| 896 | 1 -- sasl.lua v0.4 |
|
760
90ce865eebd8
Update copyright notices for 2009
Matthew Wild <mwild1@gmail.com>
parents:
702
diff
changeset
|
2 -- Copyright (C) 2008-2009 Tobias Markmann |
|
519
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
3 -- |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
4 -- All rights reserved. |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
5 -- |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
6 -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
7 -- |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
8 -- * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
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. |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
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. |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
11 -- |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
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. |
|
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
13 |
|
15
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
14 |
|
449
c0a4a1e63d70
Completely switched to new hashes library from the old md5 library
Waqas Hussain <waqas20@gmail.com>
parents:
405
diff
changeset
|
15 local md5 = require "util.hashes".md5; |
| 38 | 16 local log = require "util.logger".init("sasl"); |
| 17 local tostring = tostring; | |
| 18 local st = require "util.stanza"; | |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
19 local generate_uuid = require "util.uuid".generate; |
|
504
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
20 local t_insert, t_concat = table.insert, table.concat; |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
21 local to_byte, to_char = string.byte, string.char; |
| 38 | 22 local s_match = string.match; |
|
277
00c2fc751f50
Fixing some parsing and some other stuff.
Tobias Markmann <tm@ayena.de>
parents:
276
diff
changeset
|
23 local gmatch = string.gmatch |
|
280
516f4c901991
Rewrote SASL Digest-MD5 responce generating code, fixed some realm related issue and tested it successfully with Psi. Thanks to dwd, remko and jake.
Tobias Markmann <tm@ayena.de>
parents:
278
diff
changeset
|
24 local string = string |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
25 local math = require "math" |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
26 local type = type |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
27 local error = error |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
28 local print = print |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
29 |
| 38 | 30 module "sasl" |
| 31 | |
|
285
372d0891e8fd
Made PLAIN method in sasl.lua module follow new interface.
Tobias Markmann <tm@ayena.de>
parents:
280
diff
changeset
|
32 local function new_plain(realm, password_handler) |
|
372d0891e8fd
Made PLAIN method in sasl.lua module follow new interface.
Tobias Markmann <tm@ayena.de>
parents:
280
diff
changeset
|
33 local object = { mechanism = "PLAIN", realm = realm, password_handler = password_handler} |
|
297
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
34 function object.feed(self, message) |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
35 |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
36 if message == "" or message == nil then return "failure", "malformed-request" end |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
37 local response = message |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
38 local authorization = s_match(response, "([^&%z]+)") |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
39 local authentication = s_match(response, "%z([^&%z]+)%z") |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
40 local password = s_match(response, "%z[^&%z]+%z([^&%z]+)") |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
41 |
|
402
50f1c09541cd
Checking some variables for nil so no errors occur that'll break the server.
Tobias Markmann <tm@ayena.de>
parents:
401
diff
changeset
|
42 if authentication == nil or password == nil then return "failure", "malformed-request" end |
|
50f1c09541cd
Checking some variables for nil so no errors occur that'll break the server.
Tobias Markmann <tm@ayena.de>
parents:
401
diff
changeset
|
43 |
|
297
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
44 local password_encoding, correct_password = self.password_handler(authentication, self.realm, "PLAIN") |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
45 |
| 405 | 46 if correct_password == nil then return "failure", "not-authorized" |
|
404
4801dbeccc2a
Some changes to report more correct SASL failures. Support for disabled accounts.
Tobias Markmann <tm@ayena.de>
parents:
402
diff
changeset
|
47 elseif correct_password == false then return "failure", "account-disabled" end |
|
402
50f1c09541cd
Checking some variables for nil so no errors occur that'll break the server.
Tobias Markmann <tm@ayena.de>
parents:
401
diff
changeset
|
48 |
|
297
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
49 local claimed_password = "" |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
50 if password_encoding == nil then claimed_password = password |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
51 else claimed_password = password_encoding(password) end |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
52 |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
53 self.username = authentication |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
54 if claimed_password == correct_password then |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
55 return "success" |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
56 else |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
57 return "failure", "not-authorized" |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
58 end |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
59 end |
|
15
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
60 return object |
|
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
61 end |
|
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
62 |
| 1158 | 63 |
| 64 -- implementing RFC 2831 | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
65 local function new_digest_md5(realm, password_handler) |
| 1158 | 66 --TODO complete support for authzid |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
67 |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
68 local function serialize(message) |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
69 local data = "" |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
70 |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
71 if type(message) ~= "table" then error("serialize needs an argument of type table.") end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
72 |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
73 -- testing all possible values |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
74 if message["nonce"] then data = data..[[nonce="]]..message.nonce..[[",]] end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
75 if message["qop"] then data = data..[[qop="]]..message.qop..[[",]] end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
76 if message["charset"] then data = data..[[charset=]]..message.charset.."," end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
77 if message["algorithm"] then data = data..[[algorithm=]]..message.algorithm.."," end |
|
280
516f4c901991
Rewrote SASL Digest-MD5 responce generating code, fixed some realm related issue and tested it successfully with Psi. Thanks to dwd, remko and jake.
Tobias Markmann <tm@ayena.de>
parents:
278
diff
changeset
|
78 if message["realm"] then data = data..[[realm="]]..message.realm..[[",]] end |
|
516f4c901991
Rewrote SASL Digest-MD5 responce generating code, fixed some realm related issue and tested it successfully with Psi. Thanks to dwd, remko and jake.
Tobias Markmann <tm@ayena.de>
parents:
278
diff
changeset
|
79 if message["rspauth"] then data = data..[[rspauth=]]..message.rspauth.."," end |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
80 data = data:gsub(",$", "") |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
81 return data |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
82 end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
83 |
|
595
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
84 local function utf8tolatin1ifpossible(passwd) |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
85 local i = 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
86 while i <= #passwd do |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
87 local passwd_i = to_byte(passwd:sub(i, i)); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
88 if passwd_i > 0x7F then |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
89 if passwd_i < 0xC0 or passwd_i > 0xC3 then |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
90 return passwd; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
91 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
92 i = i + 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
93 passwd_i = to_byte(passwd:sub(i, i)); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
94 if passwd_i < 0x80 or passwd_i > 0xBF then |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
95 return passwd; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
96 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
97 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
98 i = i + 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
99 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
100 |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
101 local p = {}; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
102 local j = 0; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
103 i = 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
104 while (i <= #passwd) do |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
105 local passwd_i = to_byte(passwd:sub(i, i)); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
106 if passwd_i > 0x7F then |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
107 i = i + 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
108 local passwd_i_1 = to_byte(passwd:sub(i, i)); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
109 t_insert(p, to_char(passwd_i%4*64 + passwd_i_1%64)); -- I'm so clever |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
110 else |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
111 t_insert(p, to_char(passwd_i)); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
112 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
113 i = i + 1; |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
114 end |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
115 return t_concat(p); |
|
08ed4fa2f89d
Latin1 support for SASL DIGEST-MD5 (initial commit)
Waqas Hussain <waqas20@gmail.com>
parents:
529
diff
changeset
|
116 end |
|
504
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
117 local function latin1toutf8(str) |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
118 local p = {}; |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
119 for ch in gmatch(str, ".") do |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
120 ch = to_byte(ch); |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
121 if (ch < 0x80) then |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
122 t_insert(p, to_char(ch)); |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
123 elseif (ch < 0xC0) then |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
124 t_insert(p, to_char(0xC2, ch)); |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
125 else |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
126 t_insert(p, to_char(0xC3, ch - 64)); |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
127 end |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
128 end |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
129 return t_concat(p); |
|
efc5184effa1
Added function latin1toutf8 to sasl.lua, for processing non-utf8 responses
Waqas Hussain <waqas20@gmail.com>
parents:
496
diff
changeset
|
130 end |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
131 local function parse(data) |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
132 message = {} |
| 458 | 133 for k, v in gmatch(data, [[([%w%-]+)="?([^",]*)"?,?]]) do -- FIXME The hacky regex makes me shudder |
| 1160 | 134 message[k] = v; |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
135 end |
| 1160 | 136 return message; |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
137 end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
138 |
| 1160 | 139 local object = { mechanism = "DIGEST-MD5", realm = realm, password_handler = password_handler}; |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
140 |
| 1160 | 141 object.nonce = generate_uuid(); |
| 142 object.step = 0; | |
| 143 object.nonce_count = {}; | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
144 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
145 function object.feed(self, message) |
| 1160 | 146 self.step = self.step + 1; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
147 if (self.step == 1) then |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
148 local challenge = serialize({ nonce = object.nonce, |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
149 qop = "auth", |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
150 charset = "utf-8", |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
151 algorithm = "md5-sess", |
|
505
1b938e00412c
Remove that idn stuff for realm because it's either an ugly hack that the password_handler isn't ready for or something worse.
Tobias Markmann <tm@ayena.de>
parents:
496
diff
changeset
|
152 realm = self.realm}); |
| 1160 | 153 return "challenge", challenge; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
154 elseif (self.step == 2) then |
| 1160 | 155 local response = parse(message); |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
156 -- check for replay attack |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
157 if response["nc"] then |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
158 if self.nonce_count[response["nc"]] then return "failure", "not-authorized" end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
159 end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
160 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
161 -- check for username, it's REQUIRED by RFC 2831 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
162 if not response["username"] then |
| 1160 | 163 return "failure", "malformed-request"; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
164 end |
| 1160 | 165 self["username"] = response["username"]; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
166 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
167 -- check for nonce, ... |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
168 if not response["nonce"] then |
| 1160 | 169 return "failure", "malformed-request"; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
170 else |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
171 -- check if it's the right nonce |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
172 if response["nonce"] ~= tostring(self.nonce) then return "failure", "malformed-request" end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
173 end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
174 |
|
297
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
175 if not response["cnonce"] then return "failure", "malformed-request", "Missing entry for cnonce in SASL message." end |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
176 if not response["qop"] then response["qop"] = "auth" end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
177 |
|
702
d344860fdada
sasl: Set realm to be the current realm when the client didn't send a realm, or sent an empty one
Waqas Hussain <waqas20@gmail.com>
parents:
685
diff
changeset
|
178 if response["realm"] == nil or response["realm"] == "" then |
|
d344860fdada
sasl: Set realm to be the current realm when the client didn't send a realm, or sent an empty one
Waqas Hussain <waqas20@gmail.com>
parents:
685
diff
changeset
|
179 response["realm"] = self.realm; |
|
d344860fdada
sasl: Set realm to be the current realm when the client didn't send a realm, or sent an empty one
Waqas Hussain <waqas20@gmail.com>
parents:
685
diff
changeset
|
180 elseif response["realm"] ~= self.realm then |
|
602
a977227aa9e6
Return error when the given realm value does not match the sent realm value. Prevents impersonation of an account on one virtual host, but a user with the same username on another host.
Waqas Hussain <waqas20@gmail.com>
parents:
599
diff
changeset
|
181 return "failure", "not-authorized", "Incorrect realm value"; |
|
a977227aa9e6
Return error when the given realm value does not match the sent realm value. Prevents impersonation of an account on one virtual host, but a user with the same username on another host.
Waqas Hussain <waqas20@gmail.com>
parents:
599
diff
changeset
|
182 end |
|
685
55d1bc45acf1
sasl: Don't fail for realm=""
Waqas Hussain <waqas20@gmail.com>
parents:
615
diff
changeset
|
183 |
|
599
30655c5cc531
Latin1 support for SASL DIGEST-MD5 (second, and possibly final commit)
Waqas Hussain <waqas20@gmail.com>
parents:
595
diff
changeset
|
184 local decoder; |
|
508
4fd60ae97535
Converting latin encoded responsed to utf-8 when needed.
Tobias Markmann <tm@ayena.de>
parents:
507
diff
changeset
|
185 if response["charset"] == nil then |
|
599
30655c5cc531
Latin1 support for SASL DIGEST-MD5 (second, and possibly final commit)
Waqas Hussain <waqas20@gmail.com>
parents:
595
diff
changeset
|
186 decoder = utf8tolatin1ifpossible; |
|
508
4fd60ae97535
Converting latin encoded responsed to utf-8 when needed.
Tobias Markmann <tm@ayena.de>
parents:
507
diff
changeset
|
187 elseif response["charset"] ~= "utf-8" then |
| 1160 | 188 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."; |
|
508
4fd60ae97535
Converting latin encoded responsed to utf-8 when needed.
Tobias Markmann <tm@ayena.de>
parents:
507
diff
changeset
|
189 end |
|
4fd60ae97535
Converting latin encoded responsed to utf-8 when needed.
Tobias Markmann <tm@ayena.de>
parents:
507
diff
changeset
|
190 |
| 1160 | 191 local domain = ""; |
| 192 local protocol = ""; | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
193 if response["digest-uri"] then |
| 1160 | 194 protocol, domain = response["digest-uri"]:match("(%w+)/(.*)$"); |
|
402
50f1c09541cd
Checking some variables for nil so no errors occur that'll break the server.
Tobias Markmann <tm@ayena.de>
parents:
401
diff
changeset
|
195 if protocol == nil or domain == nil then return "failure", "malformed-request" end |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
196 else |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
197 return "failure", "malformed-request", "Missing entry for digest-uri in SASL message." |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
198 end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
199 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
200 --TODO maybe realm support |
| 1160 | 201 self.username = response["username"]; |
|
599
30655c5cc531
Latin1 support for SASL DIGEST-MD5 (second, and possibly final commit)
Waqas Hussain <waqas20@gmail.com>
parents:
595
diff
changeset
|
202 local password_encoding, Y = self.password_handler(response["username"], response["realm"], "DIGEST-MD5", decoder) |
| 405 | 203 if Y == nil then return "failure", "not-authorized" |
|
404
4801dbeccc2a
Some changes to report more correct SASL failures. Support for disabled accounts.
Tobias Markmann <tm@ayena.de>
parents:
402
diff
changeset
|
204 elseif Y == false then return "failure", "account-disabled" end |
|
1159
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
205 local A1 = ""; |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
206 if response.authzid then |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
207 if response.authzid == self.username.."@"..self.realm then |
| 1161 | 208 log("warn", "Client is violating XMPP RFC. See section 6.1 of RFC 3920."); |
|
1159
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
209 A1 = Y..":"..response["nonce"]..":"..response["cnonce"]..":"..response.authzid; |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
210 else |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
211 A1 = "?"; |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
212 end |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
213 else |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
214 A1 = Y..":"..response["nonce"]..":"..response["cnonce"]; |
|
f81c8cec0e71
Adding minimal support for authorization identities to workaround buggy SASL implementations.
Tobias Markmann <tm@ayena.de>
parents:
1158
diff
changeset
|
215 end |
|
603
423fd24fff54
Removed the unnecessary idna.to_ascii applied to the DIGEST-MD5 disgest-uri response values, which was causing auth failures with some clients.
Waqas Hussain <waqas20@gmail.com>
parents:
602
diff
changeset
|
216 local A2 = "AUTHENTICATE:"..protocol.."/"..domain; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
217 |
| 1160 | 218 local HA1 = md5(A1, true); |
| 219 local HA2 = md5(A2, true); | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
220 |
| 1160 | 221 local KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2; |
| 222 local response_value = md5(KD, true); | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
223 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
224 if response_value == response["response"] then |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
225 -- calculate rspauth |
|
603
423fd24fff54
Removed the unnecessary idna.to_ascii applied to the DIGEST-MD5 disgest-uri response values, which was causing auth failures with some clients.
Waqas Hussain <waqas20@gmail.com>
parents:
602
diff
changeset
|
226 A2 = ":"..protocol.."/"..domain; |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
227 |
| 1160 | 228 HA1 = md5(A1, true); |
| 229 HA2 = md5(A2, true); | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
230 |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
231 KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2 |
| 1160 | 232 local rspauth = md5(KD, true); |
| 233 self.authenticated = true; | |
| 234 return "challenge", serialize({rspauth = rspauth}); | |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
235 else |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
236 return "failure", "not-authorized", "The response provided by the client doesn't match the one we calculated." |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
237 end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
238 elseif self.step == 3 then |
|
297
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
239 if self.authenticated ~= nil then return "success" |
|
15b375870b40
Providing some human readable error messages and some fixes.
Tobias Markmann <tm@ayena.de>
parents:
294
diff
changeset
|
240 else return "failure", "malformed-request" end |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
241 end |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
242 end |
| 1160 | 243 return object; |
|
276
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
244 end |
|
30893439d5d1
Some early attempts on DIGEST-MD5.
Tobias Markmann <tm@ayena.de>
parents:
50
diff
changeset
|
245 |
|
799
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
246 local function new_anonymous(realm, password_handler) |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
247 local object = { mechanism = "ANONYMOUS", realm = realm, password_handler = password_handler} |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
248 function object.feed(self, message) |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
249 return "success" |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
250 end |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
251 object["username"] = generate_uuid() |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
252 return object |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
253 end |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
254 |
|
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
255 |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
256 function new(mechanism, realm, password_handler) |
|
15
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
257 local object |
|
294
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
258 if mechanism == "PLAIN" then object = new_plain(realm, password_handler) |
|
5d861d6e5bbd
Made SASL module fit the new interface.
Tobias Markmann <tm@ayena.de>
parents:
292
diff
changeset
|
259 elseif mechanism == "DIGEST-MD5" then object = new_digest_md5(realm, password_handler) |
|
799
b7ea802f3527
Adding inital support for ANONYMOUS mechanism in SASL.
Tobias Markmann <tm@ayena.de>
parents:
760
diff
changeset
|
260 elseif mechanism == "ANONYMOUS" then object = new_anonymous(realm, password_handler) |
| 38 | 261 else |
| 262 log("debug", "Unsupported SASL mechanism: "..tostring(mechanism)); | |
|
285
372d0891e8fd
Made PLAIN method in sasl.lua module follow new interface.
Tobias Markmann <tm@ayena.de>
parents:
280
diff
changeset
|
263 return nil |
|
15
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
264 end |
|
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
265 return object |
|
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
266 end |
|
c0d754774db2
adding SASL lib with PLAIN support, not tested yet
Tobias Markmann <tm@ayena.de>
parents:
diff
changeset
|
267 |
|
519
cccd610a0ef9
Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents:
508
diff
changeset
|
268 return _M; |
