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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "modules/hash.h"
/* Handle /MKPASSWD
*/
class CommandMkpasswd : public Command
{
public:
CommandMkpasswd(Module* Creator) : Command(Creator, "MKPASSWD", 2)
{
syntax = "<hashtype> <any-text>";
Penalty = 5;
}
void MakeHash(User* user, const std::string& algo, const std::string& stuff)
{
if (algo.substr(0,5) == "hmac-")
{
std::string type = algo.substr(5);
HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
if (!hp)
{
user->WriteNotice("Unknown hash type");
return;
}
std::string salt = ServerInstance->GenRandomStr(6, false);
std::string target = hp->hmac(salt, stuff);
std::string str = BinToBase64(salt) + "$" + BinToBase64(target, NULL, 0);
user->WriteNotice(algo + " hashed password for " + stuff + " is " + str);
return;
}
HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + algo);
if (hp)
{
/* Now attempt to generate a hash */
std::string hexsum = hp->hexsum(stuff);
user->WriteNotice(algo + " hashed password for " + stuff + " is " + hexsum);
}
else
{
user->WriteNotice("Unknown hash type");
}
}
CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
MakeHash(user, parameters[0], parameters[1]);
return CMD_SUCCESS;
}
};
class ModuleOperHash : public Module
{
CommandMkpasswd cmd;
public:
ModuleOperHash() : cmd(this)
{
}
void init() CXX11_OVERRIDE
{
/* Read the config file first */
OnRehash(NULL);
ServerInstance->Modules->AddService(cmd);
}
ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype) CXX11_OVERRIDE
{
if (hashtype.substr(0,5) == "hmac-")
{
std::string type = hashtype.substr(5);
HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
if (!hp)
return MOD_RES_PASSTHRU;
// this is a valid hash, from here on we either accept or deny
std::string::size_type sep = data.find('$');
if (sep == std::string::npos)
return MOD_RES_DENY;
std::string salt = Base64ToBin(data.substr(0, sep));
std::string target = Base64ToBin(data.substr(sep + 1));
if (target == hp->hmac(salt, input))
return MOD_RES_ALLOW;
else
return MOD_RES_DENY;
}
HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
/* Is this a valid hash name? */
if (hp)
{
/* Compare the hash in the config to the generated hash */
if (data == hp->hexsum(input))
return MOD_RES_ALLOW;
else
/* No match, and must be hashed, forbid */
return MOD_RES_DENY;
}
/* Not a hash, fall through to strcmp in core */
return MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Allows for hashed oper passwords",VF_VENDOR);
}
};
MODULE_INIT(ModuleOperHash)
|
