annotate mod_auth_dovecot/mod_auth_dovecot.lua @ 327:b92c81f8aed4

mod_ircd: Fix squishy file
author Kim Alvefur <zash@zash.se>
date Thu, 03 Feb 2011 18:00:39 +0100
parents 31deafcbf623
children 6560fd0b77f5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 -- Dovecot authentication backend for Prosody
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 --
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 -- Copyright (C) 2010 Javier Torres
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 -- Copyright (C) 2008-2010 Matthew Wild
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 -- Copyright (C) 2008-2010 Waqas Hussain
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 --
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local socket_unix = require "socket.unix";
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local datamanager = require "util.datamanager";
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
10 local usermanager = require "core.usermanager";
270
853ae6ae87bf mod_auth_dovecot: Use correct module name for logger
Javier Torres <javitonino@gmail.com>
parents: 269
diff changeset
11 local log = require "util.logger".init("auth_dovecot");
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 local new_sasl = require "util.sasl".new;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 local nodeprep = require "util.encodings".stringprep.nodeprep;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 local base64 = require "util.encodings".base64;
267
76f3310ec113 mod_auth_dovecot: Use PID in handshake
Javier Torres <javitonino@gmail.com>
parents: 261
diff changeset
15 local pposix = require "util.pposix";
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
17 local prosody = prosody;
271
05ea4abb664d mod_auth_dovecot: Load dovecot socket path form config
Javier Torres <javitonino@gmail.com>
parents: 270
diff changeset
18 local socket_path = module:get_option_string("dovecot_auth_socket", "/var/run/dovecot/auth-login");
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
20 function new_provider(host)
310
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
21 local provider = { name = "dovecot", request_id = 0 };
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 log("debug", "initializing dovecot authentication provider for host '%s'", host);
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
23
310
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
24 local conn;
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
25
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
26 -- Closes the socket
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
27 function provider.close(self)
310
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
28 if conn then
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
29 conn:close();
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
30 conn = nil;
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
31 end
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
32 end
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
33
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
34 -- The following connects to a new socket and send the handshake
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
35 function provider.connect(self)
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
36 -- Destroy old socket
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
37 provider:close();
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38
310
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
39 conn = socket.unix();
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
41 -- Create a connection to dovecot socket
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
42 log("debug", "connecting to dovecot socket at '%s'", socket_path);
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
43 local ok, err = conn:connect(socket_path);
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
44 if not ok then
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
45 log("error", "error connecting to dovecot socket at '%s'. error was '%s'. check permissions", socket_path, err);
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
46 provider:close();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
47 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
48 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
49
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 -- Send our handshake
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
51 local pid = pposix.getpid();
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
52 log("debug", "sending handshake to dovecot. version 1.1, cpid '%d'", pid);
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
53 if not provider:send("VERSION\t1\t1\n") then
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
54 return false
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
55 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
56 if not provider:send("CPID\t" .. pid .. "\n") then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
57 return false
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
58 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
59
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
60 -- Parse Dovecot's handshake
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 local done = false;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 while (not done) do
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
63 local line = provider:receive();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
64 if not line then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
65 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
66 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
67
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
68 log("debug", "dovecot handshake: '%s'", line);
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
69 local parts = line:gmatch("[^\t]+");
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
70 local first = parts();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
71 if first == "VERSION" then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
72 -- Version should be 1.1
311
f663ea45436f mod_auth_dovecot: Only check Dovecot major version. Bump log level from 'warn' to 'error'. (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 310
diff changeset
73 local major_version = parts();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
74
311
f663ea45436f mod_auth_dovecot: Only check Dovecot major version. Bump log level from 'warn' to 'error'. (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 310
diff changeset
75 if major_version ~= "1" then
f663ea45436f mod_auth_dovecot: Only check Dovecot major version. Bump log level from 'warn' to 'error'. (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 310
diff changeset
76 log("error", "dovecot server version is not 1.x. it is %s.x", major_version);
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
77 provider:close();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
78 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
79 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
80 elseif first == "MECH" then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
81 -- Mechanisms should include PLAIN
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 local ok = false;
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
83 for part in parts do
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
84 if part == "PLAIN" then
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 ok = true;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 end
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
88 if not ok then
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
89 log("warn", "server doesn't support PLAIN mechanism. It supports '%s'", line);
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
90 provider:close();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
91 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
92 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
93 elseif first == "DONE" then
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 done = true;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 end
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 end
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
97 return true;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
98 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
99
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
100 -- Wrapper for send(). Handles errors
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
101 function provider.send(self, data)
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
102 local ok, err = conn:send(data);
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
103 if not ok then
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
104 log("error", "error sending '%s' to dovecot. error was '%s'", data, err);
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
105 provider:close();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
106 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
107 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
108 return true;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
109 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
110
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
111 -- Wrapper for receive(). Handles errors
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
112 function provider.receive(self)
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
113 local line, err = conn:receive();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
114 if not line then
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
115 log("error", "error receiving data from dovecot. error was '%s'", err);
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
116 provider:close();
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
117 return false;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
118 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
119 return line;
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
120 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
121
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
122 function provider.send_auth_request(self, username, password)
310
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
123 if not conn then
b3bcd1913c85 mod_auth_dovecot: Switch to using upvalue 'conn' instead of provider.c throughout (thanks Adrien Clerc)
Matthew Wild <mwild1@gmail.com>
parents: 305
diff changeset
124 if not provider:connect() then
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
125 return nil, "Auth failed. Dovecot communications error";
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
126 end
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
127 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
128
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 -- Send auth data
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 username = username .. "@" .. module.host; -- FIXME: this is actually a hack for my server
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131 local b64 = base64.encode(username .. "\0" .. username .. "\0" .. password);
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
132 provider.request_id = provider.request_id + 1 % 4294967296
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
133
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
134 local msg = "AUTH\t" .. provider.request_id .. "\tPLAIN\tservice=XMPP\tresp=" .. b64;
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
135 log("debug", "sending auth request for '%s' with password '%s': '%s'", username, password, msg);
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
136 if not provider:send(msg .. "\n") then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
137 return nil, "Auth failed. Dovecot communications error";
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
138 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
139
272
6b35c23664db mod_auth_dovecot: Use sequential (instead of fixed) id for messages
Javier Torres <javitonino@gmail.com>
parents: 271
diff changeset
140
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
141 -- Get response
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
142 local line = provider:receive();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
143 log("debug", "got auth response: '%s'", line);
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
144 if not line then
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
145 return nil, "Auth failed. Dovecot communications error";
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
146 end
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
147 local parts = line:gmatch("[^\t]+");
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
148
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
149 -- Check response
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
150 local status = parts();
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
151 local resp_id = tonumber(parts());
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
152
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
153 if resp_id ~= provider.request_id then
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
154 log("warn", "dovecot response_id(%s) doesn't match request_id(%s)", resp_id, provider.request_id);
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
155 provider:close();
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
156 return nil, "Auth failed. Dovecot communications error";
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
157 end
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
158
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
159 return status, parts;
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
160 end
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
161
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
162 function provider.test_password(username, password)
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
163 log("debug", "test password '%s' for user %s at host %s", password, username, module.host);
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
164
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
165 local status, extra = provider:send_auth_request(username, password);
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
166
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
167 if status == "OK" then
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
168 log("info", "login ok for '%s'", username);
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 return true;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170 else
273
8d283ae7f29d mod_auth_dovecot: More debug messages
Javier Torres <javitonino@gmail.com>
parents: 272
diff changeset
171 log("info", "login failed for '%s'", username);
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 return nil, "Auth failed. Invalid username or password.";
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 end
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 end
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
175
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 function provider.get_password(username)
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 return nil, "Cannot get_password in dovecot backend.";
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 end
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 function provider.set_password(username, password)
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 return nil, "Cannot set_password in dovecot backend.";
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 end
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
183
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 function provider.user_exists(username)
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
185 log("debug", "user_exists for user %s at host %s", username, module.host);
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
186
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
187 -- Send a request. If the response (FAIL) contains an extra
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
188 -- parameter like user=<username> then it exists.
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
189 local status, extra = provider:send_auth_request(username, "");
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
190
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
191 local param = extra();
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
192 while param do
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
193 local parts = param:gmatch("[^=]+");
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
194 local name = parts();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
195 local value = parts();
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
196 if name == "user" then
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
197 log("debug", "user '%s' exists", username);
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
198 return true;
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
199 end
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
200
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
201 param = extra();
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
202 end
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
203
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
204 log("debug", "user '%s' does not exists (or dovecot didn't send user=<username> parameter)", username);
274
cda4855863af mod_auth_dovecot: Implement user_exists
Javier Torres <javitonino@gmail.com>
parents: 273
diff changeset
205 return false;
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206 end
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
207
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 function provider.create_user(username, password)
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209 return nil, "Cannot create_user in dovecot backend.";
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 end
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
211
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
212 function provider.get_sasl_handler()
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
213 local realm = module:get_option("sasl_realm") or module.host;
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 local getpass_authentication_profile = {
305
4c3abf1a9b5a mod_auth_*, mod_saslauth_muc: Update SASL callbacks to take SASL handler as first argument.
Waqas Hussain <waqas20@gmail.com>
parents: 274
diff changeset
215 plain_test = function(sasl, username, password, realm)
268
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
216 local prepped_username = nodeprep(username);
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
217 if not prepped_username then
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
218 log("debug", "NODEprep failed on username: %s", username);
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
219 return "", nil;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
220 end
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
221 return usermanager.test_password(prepped_username, realm, password), true;
cfcd4efb0fa4 mod_auth_dovecot: Remove asserts (use logger) and refactor socket code
Javier Torres <javitonino@gmail.com>
parents: 267
diff changeset
222 end
269
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
223 };
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
224 return new_sasl(realm, getpass_authentication_profile);
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
225 end
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
226
74846ec9c29f mod_auth_dovecot: Close socket on error
Javier Torres <javitonino@gmail.com>
parents: 268
diff changeset
227 return provider;
261
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 end
0f46fb2dbc79 mod_auth_dovecot: Initial commit of Dovecot authentication backend by Javier Torres
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229
312
31deafcbf623 mod_auth_dovecot: Fix various global variable sets/gets, log levels, unclear variable names and change coding style to match more closely the rest of the Prosody code.
Matthew Wild <mwild1@gmail.com>
parents: 311
diff changeset
230 module:add_item("auth-provider", new_provider(module.host));