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/>.
22 #include "modules/hash.h"
26 class CommandMkpasswd : public Command
29 CommandMkpasswd(Module* Creator) : Command(Creator, "MKPASSWD", 2)
31 syntax = "<hashtype> <any-text>";
35 void MakeHash(User* user, const std::string& algo, const std::string& stuff)
37 if (!algo.compare(0, 5, "hmac-", 5))
39 std::string type = algo.substr(5);
40 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
43 user->WriteNotice("Unknown hash type");
46 std::string salt = ServerInstance->GenRandomStr(6, false);
47 std::string target = hp->hmac(salt, stuff);
48 std::string str = BinToBase64(salt) + "$" + BinToBase64(target, NULL, 0);
50 user->WriteNotice(algo + " hashed password for " + stuff + " is " + str);
53 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + algo);
56 /* Now attempt to generate a hash */
57 std::string hexsum = hp->hexsum(stuff);
58 user->WriteNotice(algo + " hashed password for " + stuff + " is " + hexsum);
62 user->WriteNotice("Unknown hash type");
66 CmdResult Handle (const std::vector<std::string>& parameters, User *user)
68 MakeHash(user, parameters[0], parameters[1]);
74 class ModuleOperHash : public Module
79 ModuleOperHash() : cmd(this)
83 ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype) CXX11_OVERRIDE
85 if (!hashtype.compare(0, 5, "hmac-", 5))
87 std::string type = hashtype.substr(5);
88 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + type);
90 return MOD_RES_PASSTHRU;
91 // this is a valid hash, from here on we either accept or deny
92 std::string::size_type sep = data.find('$');
93 if (sep == std::string::npos)
95 std::string salt = Base64ToBin(data.substr(0, sep));
96 std::string target = Base64ToBin(data.substr(sep + 1));
98 if (target == hp->hmac(salt, input))
104 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
106 /* Is this a valid hash name? */
109 /* Compare the hash in the config to the generated hash */
110 if (data == hp->hexsum(input))
111 return MOD_RES_ALLOW;
113 /* No match, and must be hashed, forbid */
117 /* Not a hash, fall through to strcmp in core */
118 return MOD_RES_PASSTHRU;
121 Version GetVersion() CXX11_OVERRIDE
123 return Version("Allows for hashed oper passwords",VF_VENDOR);
127 MODULE_INIT(ModuleOperHash)