]> git.netwichtig.de Git - user/henk/code/inspircd.git/blob - src/modules/m_sethost.cpp
Merge pull request #971 from SaberUK/master+numeric-xline
[user/henk/code/inspircd.git] / src / modules / m_sethost.cpp
1 /*
2  * InspIRCd -- Internet Relay Chat Daemon
3  *
4  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
5  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
6  *   Copyright (C) 2004-2006 Craig Edwards <craigedwards@brainbox.cc>
7  *
8  * This file is part of InspIRCd.  InspIRCd is free software: you can
9  * redistribute it and/or modify it under the terms of the GNU General Public
10  * License as published by the Free Software Foundation, version 2.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
15  * details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20
21
22 #include "inspircd.h"
23
24 /** Handle /SETHOST
25  */
26 class CommandSethost : public Command
27 {
28         char* hostmap;
29
30  public:
31         CommandSethost(Module* Creator, char* hmap) : Command(Creator,"SETHOST", 1), hostmap(hmap)
32         {
33                 allow_empty_last_param = false;
34                 flags_needed = 'o'; syntax = "<new-hostname>";
35         }
36
37         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
38         {
39                 size_t len = 0;
40                 for (std::string::const_iterator x = parameters[0].begin(); x != parameters[0].end(); x++, len++)
41                 {
42                         if (!hostmap[(const unsigned char)*x])
43                         {
44                                 user->WriteNotice("*** SETHOST: Invalid characters in hostname");
45                                 return CMD_FAILURE;
46                         }
47                 }
48
49                 if (len > ServerInstance->Config->Limits.MaxHost)
50                 {
51                         user->WriteNotice("*** SETHOST: Host too long");
52                         return CMD_FAILURE;
53                 }
54
55                 if (user->ChangeDisplayedHost(parameters[0]))
56                 {
57                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SETHOST to change their displayed host to "+user->dhost);
58                         return CMD_SUCCESS;
59                 }
60
61                 return CMD_FAILURE;
62         }
63 };
64
65
66 class ModuleSetHost : public Module
67 {
68         CommandSethost cmd;
69         char hostmap[256];
70
71  public:
72         ModuleSetHost()
73                 : cmd(this, hostmap)
74         {
75         }
76
77         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
78         {
79                 std::string hmap = ServerInstance->Config->ConfValue("hostname")->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789");
80
81                 memset(hostmap, 0, sizeof(hostmap));
82                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
83                         hostmap[(unsigned char)*n] = 1;
84         }
85
86         Version GetVersion() CXX11_OVERRIDE
87         {
88                 return Version("Provides support for the SETHOST command", VF_VENDOR);
89         }
90 };
91
92 MODULE_INIT(ModuleSetHost)