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Some more text fixes and improvements (#1618).
[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  public:
29         std::bitset<UCHAR_MAX> hostmap;
30
31         CommandSethost(Module* Creator)
32                 : Command(Creator,"SETHOST", 1)
33         {
34                 allow_empty_last_param = false;
35                 flags_needed = 'o'; syntax = "<host>";
36         }
37
38         CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
39         {
40                 if (parameters[0].length() > ServerInstance->Config->Limits.MaxHost)
41                 {
42                         user->WriteNotice("*** SETHOST: Host too long");
43                         return CMD_FAILURE;
44                 }
45
46                 for (std::string::const_iterator x = parameters[0].begin(); x != parameters[0].end(); x++)
47                 {
48                         if (!hostmap.test(static_cast<unsigned char>(*x)))
49                         {
50                                 user->WriteNotice("*** SETHOST: Invalid characters in hostname");
51                                 return CMD_FAILURE;
52                         }
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->GetDisplayedHost());
58                         return CMD_SUCCESS;
59                 }
60
61                 return CMD_FAILURE;
62         }
63 };
64
65
66 class ModuleSetHost : public Module
67 {
68         CommandSethost cmd;
69
70  public:
71         ModuleSetHost()
72                 : cmd(this)
73         {
74         }
75
76         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
77         {
78                 std::string hmap = ServerInstance->Config->ConfValue("hostname")->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789");
79
80                 cmd.hostmap.reset();
81                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
82                         cmd.hostmap.set(static_cast<unsigned char>(*n));
83         }
84
85         Version GetVersion() CXX11_OVERRIDE
86         {
87                 return Version("Provides the SETHOST command", VF_VENDOR);
88         }
89 };
90
91 MODULE_INIT(ModuleSetHost)