summaryrefslogtreecommitdiff
path: root/src/modules/m_nicklock.cpp
blob: c2c02f6292fab7562534de769969dbd8b0643f94 (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
/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"

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

/** Handle /NICKLOCK
 */
class cmd_nicklock : public Command
{
	char* dummy;
 public:
	cmd_nicklock (InspIRCd* Instance) : Command(Instance,"NICKLOCK", 'o', 2)
	{
		this->source = "m_nicklock.so";
		syntax = "<oldnick> <newnick>";
		TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
	}

	CmdResult Handle(const char** parameters, int pcnt, User *user)
	{
		User* source = ServerInstance->FindNick(parameters[0]);
		irc::string server;
		irc::string me;

		// check user exists
		if (!source)
		{
			return CMD_FAILURE;
		}

		// check if user is locked
		if (source->GetExt("nick_locked", dummy))
		{
			user->WriteServ("946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
			return CMD_FAILURE;
		}

		// check nick is valid
		if (!ServerInstance->IsNick(parameters[1]))
		{
			return CMD_FAILURE;
		}

		// let others know
		ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);

		if (!source->ForceNickChange(parameters[1]))
		{
			// ugh, nickchange failed for some reason -- possibly existing nick?
			User::QuitUser(ServerInstance, source, "Nickname collision");
		}

		// give them a lock flag
		source->Extend("nick_locked", "ON");

		/* route */
		return CMD_SUCCESS;
	}
};

/** Handle /NICKUNLOCK
 */
class cmd_nickunlock : public Command
{
 public:
	cmd_nickunlock (InspIRCd* Instance) : Command(Instance,"NICKUNLOCK", 'o', 1)
	{
		this->source = "m_nicklock.so";
		syntax = "<locked-nick>";
	}

	CmdResult Handle (const char** parameters, int pcnt, User *user)
	{
		User* source = ServerInstance->FindNick(parameters[0]);
		if (source)
		{
			source->Shrink("nick_locked");
			user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
			ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
			return CMD_SUCCESS;
		}

		return CMD_FAILURE;
	}
};


class ModuleNickLock : public Module
{
	cmd_nicklock*	cmd1;
	cmd_nickunlock*	cmd2;
	char* n;
 public:
	ModuleNickLock(InspIRCd* Me)
		: Module(Me)
	{
		
		cmd1 = new cmd_nicklock(ServerInstance);
		cmd2 = new cmd_nickunlock(ServerInstance);
		ServerInstance->AddCommand(cmd1);
		ServerInstance->AddCommand(cmd2);
	}
	
	virtual ~ModuleNickLock()
	{
	}
	
	virtual Version GetVersion()
	{
		return Version(1, 1, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
	}

	void Implements(char* List)
	{
		List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
	}

	virtual int OnUserPreNick(User* user, const std::string &newnick)
	{
		if (isdigit(newnick[0])) /* allow a switch to a UID */
			return 0;

		if (user->GetExt("nick_locked", n))
		{
			user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
			return 1;
		}
		return 0;
	}

	virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
	{
		user->Shrink("nick_locked");
	}

	virtual void OnCleanup(int target_type, void* item)
	{
		if(target_type == TYPE_USER)
		{
			User* user = (User*)item;
			user->Shrink("nick_locked");
		}
	}
};

MODULE_INIT(ModuleNickLock)