1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* ChallengeResponseAuthenticator.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ChallengeResponseAuthenticator.h"
#include <Common/Hash.h>
#include <Common/RequestManager.h>
#include <Common/Requests/AuthMethodRequest.h>
namespace Mad {
namespace Client {
namespace Authenticators {
void ChallengeResponseAuthenticator::ChallengeResponseAuthRequest::sendRequest() {
Common::XmlPacket packet;
packet.setType("Authenticate");
packet.set("method", "Challenge-Response");
packet.set("subMethod", hash);
packet.set("user", username);
sendPacket(packet);
}
void ChallengeResponseAuthenticator::ChallengeResponseAuthRequest::handlePacket(boost::shared_ptr<const Common::XmlPacket> packet) {
if(packet->getType() == "Error") {
signalFinished(Core::Exception(packet->get<const std::string&>("Where"), static_cast<Core::Exception::ErrorCode>(packet->get<long>("ErrorCode")),
packet->get<long>("SubCode"), packet->get<long>("SubSubCode")));
return;
}
if(!hasResponded) {
if(packet->getType() != "Continue") {
signalFinished(Core::Exception(Core::Exception::UNEXPECTED_PACKET));
return; // TODO Logging
}
Common::XmlPacket ret;
ret.setType("Authenticate");
ret.set("method", "Challenge-Response");
ret.set("subMethod", hash);
ret.set("user", username);
std::vector<boost::uint8_t> hashedPassword = Common::Hash::hash(std::vector<boost::uint8_t>(password.begin(), password.end()), hash);
const std::vector<boost::uint8_t> &challenge = packet->get<const std::vector<boost::uint8_t>&>("data");
hashedPassword.insert(hashedPassword.end(), challenge.begin(), challenge.end());
ret.set("data", Common::Hash::hash(hashedPassword, hash));
sendPacket(ret);
hasResponded = true;
}
else {
if(packet->getType() != "OK") {
signalFinished(Core::Exception(Core::Exception::UNEXPECTED_PACKET));
return; // TODO Logging
}
signalFinished(packet);
}
}
void ChallengeResponseAuthenticator::authenticate(Common::Application *application, Common::Connection *con, const std::string &username, const std::string &password) throw (Core::Exception) {
std::string hash;
{
boost::shared_ptr<Common::Requests::AuthMethodRequest> request(new Common::Requests::AuthMethodRequest(application));
application->getRequestManager()->sendRequest(con, request);
request->wait();
std::pair<boost::shared_ptr<const Common::XmlPacket>, Core::Exception> result = request->getResult();
if(!result.first || result.second)
throw result.second;
const Common::XmlPacket::List *methods = result.first->getList("methods");
for(Common::XmlPacket::List::const_iterator method = methods->begin(); method != methods->end(); ++method) {
if(method->get<const std::string&>("name") != "Challenge-Response")
continue;
const Common::XmlPacket::List *subMethods = method->getList("subMethods");
for(Common::XmlPacket::List::const_iterator subMethod = subMethods->begin(); subMethod != subMethods->end(); ++subMethod) {
if(Common::Hash::isHashSupported(subMethod->get<const std::string&>("name"))) {
hash = subMethod->get<const std::string&>("name");
break;
}
}
break;
}
if(hash.empty())
throw Core::Exception(Core::Exception::NOT_AVAILABLE);
}
application->logf(Core::Logger::LOG_VERBOSE, "Authenticating with method 'Challenge-Response' using hash '%s'...", hash.c_str());
boost::shared_ptr<ChallengeResponseAuthRequest> request(new ChallengeResponseAuthRequest(application, username, password, hash));
application->getRequestManager()->sendRequest(con, request);
request->wait();
std::pair<boost::shared_ptr<const Common::XmlPacket>, Core::Exception> result = request->getResult();
if(!result.first || result.second)
throw result.second;
if(result.first->getType() != "OK")
throw Core::Exception(Core::Exception::NOT_AVAILABLE);
}
}
}
}
|
