summaryrefslogtreecommitdiff
path: root/src/modules/m_nicklock.cpp
blob: a67c1b433b7da036a22829f11ce8b8484f2a44f7 (plain)
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2005-2006 Craig Edwards <craigedwards@brainbox.cc>
 *
 * 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"

/* $ModDesc: Provides the NICKLOCK command, allows an oper to change a users nick and lock them to it until they quit */

/** Handle /NICKLOCK
 */
class CommandNicklock : public Command
{
 public:
	LocalIntExt& locked;
	CommandNicklock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKLOCK", 2),
		locked(ext)
	{
		flags_needed = 'o';
		syntax = "<oldnick> <newnick>";
		TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
	}

	CmdResult Handle(const std::vector<std::string>& parameters, User *user)
	{
		User* target = ServerInstance->FindNick(parameters[0]);

		if (!target)
		{
			user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
			return CMD_FAILURE;
		}

		/* Do local sanity checks and bails */
		if (IS_LOCAL(user))
		{
			if (!ServerInstance->IsNick(parameters[1].c_str(), ServerInstance->Config->Limits.NickMax))
			{
				user->WriteServ("NOTICE %s :*** Invalid nickname '%s'", user->nick.c_str(), parameters[1].c_str());
				return CMD_FAILURE;
			}

			user->WriteServ("947 %s %s :Nickname now locked.", user->nick.c_str(), parameters[1].c_str());
		}

		/* If we made it this far, extend the user */
		if (IS_LOCAL(target))
		{
			locked.set(target, 1);

			std::string oldnick = target->nick;
			if (target->ForceNickChange(parameters[1].c_str()))
				ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK to change and hold "+oldnick+" to "+parameters[1]);
			else
			{
				std::string newnick = target->nick;
				ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK, but "+oldnick+" failed nick change to "+parameters[1]+" and was locked to "+newnick+" instead");
			}
		}

		return CMD_SUCCESS;
	}

	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
	{
		User* dest = ServerInstance->FindNick(parameters[0]);
		if (dest)
			return ROUTE_OPT_UCAST(dest->server);
		return ROUTE_LOCALONLY;
	}
};

/** Handle /NICKUNLOCK
 */
class CommandNickunlock : public Command
{
 public:
	LocalIntExt& locked;
	CommandNickunlock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKUNLOCK", 1),
		locked(ext)
	{
		flags_needed = 'o';
		syntax = "<locked-nick>";
		TRANSLATE2(TR_NICK, TR_END);
	}

	CmdResult Handle (const std::vector<std::string>& parameters, User *user)
	{
		User* target = ServerInstance->FindNick(parameters[0]);

		if (!target)
		{
			user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
			return CMD_FAILURE;
		}

		if (IS_LOCAL(target))
		{
			if (locked.set(target, 0))
			{
				ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKUNLOCK on "+target->nick);
				user->SendText(":%s 945 %s %s :Nickname now unlocked.",
					ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
			}
			else
			{
				user->SendText(":%s 946 %s %s :This user's nickname is not locked.",
					ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
				return CMD_FAILURE;
			}
		}

		return CMD_SUCCESS;
	}

	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
	{
		User* dest = ServerInstance->FindNick(parameters[0]);
		if (dest)
			return ROUTE_OPT_UCAST(dest->server);
		return ROUTE_LOCALONLY;
	}
};


class ModuleNickLock : public Module
{
	LocalIntExt locked;
	CommandNicklock cmd1;
	CommandNickunlock cmd2;
 public:
	ModuleNickLock()
		: locked("nick_locked", this), cmd1(this, locked), cmd2(this, locked)
	{
	}

	void init()
	{
		ServerInstance->Modules->AddService(cmd1);
		ServerInstance->Modules->AddService(cmd2);
		ServerInstance->Modules->AddService(locked);
		ServerInstance->Modules->Attach(I_OnUserPreNick, this);
	}

	~ModuleNickLock()
	{
	}

	Version GetVersion()
	{
		return Version("Provides the NICKLOCK command, allows an oper to change a users nick and lock them to it until they quit", VF_OPTCOMMON | VF_VENDOR);
	}

	ModResult OnUserPreNick(User* user, const std::string &newnick)
	{
		if (!IS_LOCAL(user))
			return MOD_RES_PASSTHRU;

		if (ServerInstance->NICKForced.get(user)) /* Allow forced nick changes */
			return MOD_RES_PASSTHRU;

		if (locked.get(user))
		{
			user->WriteNumeric(447, "%s :You cannot change your nickname (your nick is locked)",user->nick.c_str());
			return MOD_RES_DENY;
		}
		return MOD_RES_PASSTHRU;
	}

	void Prioritize()
	{
		Module *nflood = ServerInstance->Modules->Find("m_nickflood.so");
		ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_BEFORE, &nflood);
	}
};

MODULE_INIT(ModuleNickLock)