2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
7 * This file is part of InspIRCd. InspIRCd is free software: you can
8 * redistribute it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation, version 2.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 /* $ModDesc: Allows for hashed oper passwords */
28 class CommandMkpasswd : public Command
31 CommandMkpasswd(Module* Creator) : Command(Creator, "MKPASSWD", 2)
33 syntax = "<hashtype> <any-text>";
37 void MakeHash(User* user, const std::string& algo, const std::string& stuff)
39 if (algo.substr(0,5) == "hmac-")
41 std::string type = algo.substr(5);
42 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
45 user->WriteServ("NOTICE %s :Unknown hash type", user->nick.c_str());
48 std::string salt = ServerInstance->GenRandomStr(6, false);
49 std::string target = hp->hmac(salt, stuff);
50 std::string str = BinToBase64(salt) + "$" + BinToBase64(target, NULL, 0);
52 user->WriteServ("NOTICE %s :%s hashed password for %s is %s",
53 user->nick.c_str(), algo.c_str(), stuff.c_str(), str.c_str());
56 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + algo);
59 /* Now attempt to generate a hash */
60 user->WriteServ("NOTICE %s :%s hashed password for %s is %s",
61 user->nick.c_str(), algo.c_str(), stuff.c_str(), hp->hexsum(stuff).c_str());
65 user->WriteServ("NOTICE %s :Unknown hash type", user->nick.c_str());
69 CmdResult Handle (const std::vector<std::string>& parameters, User *user)
71 MakeHash(user, parameters[0], parameters[1]);
77 class ModuleOperHash : public Module
82 ModuleOperHash() : cmd(this)
84 /* Read the config file first */
87 ServerInstance->AddCommand(&cmd);
88 Implementation eventlist[] = { I_OnPassCompare };
89 ServerInstance->Modules->Attach(eventlist, this, 1);
92 virtual ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype)
94 if (hashtype.substr(0,5) == "hmac-")
96 std::string type = hashtype.substr(5);
97 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
99 return MOD_RES_PASSTHRU;
100 // this is a valid hash, from here on we either accept or deny
101 std::string::size_type sep = data.find('$');
102 if (sep == std::string::npos)
104 std::string salt = Base64ToBin(data.substr(0, sep));
105 std::string target = Base64ToBin(data.substr(sep + 1));
107 if (target == hp->hmac(salt, input))
108 return MOD_RES_ALLOW;
113 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
115 /* Is this a valid hash name? */
118 /* Compare the hash in the config to the generated hash */
119 if (data == hp->hexsum(input))
120 return MOD_RES_ALLOW;
122 /* No match, and must be hashed, forbid */
126 /* Not a hash, fall through to strcmp in core */
127 return MOD_RES_PASSTHRU;
130 virtual Version GetVersion()
132 return Version("Allows for hashed oper passwords",VF_VENDOR);
136 MODULE_INIT(ModuleOperHash)