summaryrefslogtreecommitdiff
path: root/src/modules/m_cban.cpp
blob: 0157a4addc87e7376930a16d0249e73d347bbbeb (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
195
196
197
198
199
200
201
202
203
204
205
206
207
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2005-2008 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2005-2006 Craig Edwards <craigedwards@brainbox.cc>
 *   Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
 *
 * 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"
#include "xline.h"

/* $ModDesc: Gives /cban, aka C:lines. Think Q:lines, for channels. */

/** Holds a CBAN item
 */
class CBan : public XLine
{
public:
	irc::string matchtext;

	CBan(time_t s_time, long d, std::string src, std::string re, std::string ch)
		: XLine(s_time, d, src, re, "CBAN")
	{
		this->matchtext = ch.c_str();
	}

	~CBan()
	{
	}

	// XXX I shouldn't have to define this
	bool Matches(User *u)
	{
		return false;
	}

	bool Matches(const std::string &s)
	{
		if (matchtext == s)
			return true;
		return false;
	}

	void DisplayExpiry()
	{
		ServerInstance->SNO->WriteToSnoMask('x',"Removing expired CBan %s (set by %s %ld seconds ago)",
			this->matchtext.c_str(), this->source.c_str(), (long int)(ServerInstance->Time() - this->set_time));
	}

	const char* Displayable()
	{
		return matchtext.c_str();
	}
};

/** An XLineFactory specialized to generate cban pointers
 */
class CBanFactory : public XLineFactory
{
 public:
	CBanFactory() : XLineFactory("CBAN") { }

	/** Generate a CBAN
 	*/
	XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
	{
		return new CBan(set_time, duration, source, reason, xline_specific_mask);
	}

	bool AutoApplyToUserList(XLine *x)
	{
		return false; // No, we apply to channels.
	}
};

/** Handle /CBAN
 */
class CommandCBan : public Command
{
 public:
	CommandCBan(Module* Creator) : Command(Creator, "CBAN", 1, 3)
	{
		flags_needed = 'o'; this->syntax = "<channel> [<duration> :<reason>]";
		TRANSLATE4(TR_TEXT,TR_TEXT,TR_TEXT,TR_END);
	}

	CmdResult Handle(const std::vector<std::string> &parameters, User *user)
	{
		/* syntax: CBAN #channel time :reason goes here */
		/* 'time' is a human-readable timestring, like 2d3h2s. */

		if (parameters.size() == 1)
		{
			if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "CBAN", user))
			{
				ServerInstance->SNO->WriteGlobalSno('x', "%s removed CBan on %s.",user->nick.c_str(),parameters[0].c_str());
			}
			else
			{
				user->WriteServ("NOTICE %s :*** CBan %s not found in list, try /stats C.",user->nick.c_str(),parameters[0].c_str());
				return CMD_FAILURE;
			}
		}
		else
		{
			// Adding - XXX todo make this respect <insane> tag perhaps..
			long duration = ServerInstance->Duration(parameters[1]);
			const char *reason = (parameters.size() > 2) ? parameters[2].c_str() : "No reason supplied";
			CBan* r = new CBan(ServerInstance->Time(), duration, user->nick.c_str(), reason, parameters[0].c_str());

			if (ServerInstance->XLines->AddLine(r, user))
			{
				if (!duration)
				{
					ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent CBan for %s: %s", user->nick.c_str(), parameters[0].c_str(), reason);
				}
				else
				{
					time_t c_requires_crap = duration + ServerInstance->Time();
					std::string timestr = ServerInstance->TimeString(c_requires_crap);
					ServerInstance->SNO->WriteGlobalSno('x', "%s added timed CBan for %s, expires on %s: %s", user->nick.c_str(), parameters[0].c_str(), timestr.c_str(), reason);
				}
			}
			else
			{
				delete r;
				user->WriteServ("NOTICE %s :*** CBan for %s already exists", user->nick.c_str(), parameters[0].c_str());
				return CMD_FAILURE;
			}
		}
		return CMD_SUCCESS;
	}

	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
	{
		return ROUTE_LOCALONLY;
	}
};

class ModuleCBan : public Module
{
	CommandCBan mycommand;
	CBanFactory f;

 public:
	ModuleCBan() : mycommand(this)
	{
		ServerInstance->XLines->RegisterFactory(&f);

		ServerInstance->AddCommand(&mycommand);
		Implementation eventlist[] = { I_OnUserPreJoin, I_OnStats };
		ServerInstance->Modules->Attach(eventlist, this, 2);
	}

	virtual ~ModuleCBan()
	{
		ServerInstance->XLines->DelAll("CBAN");
		ServerInstance->XLines->UnregisterFactory(&f);
	}

	virtual ModResult OnStats(char symbol, User* user, string_list &out)
	{
		if (symbol != 'C')
			return MOD_RES_PASSTHRU;

		ServerInstance->XLines->InvokeStats("CBAN", 210, user, out);
		return MOD_RES_DENY;
	}

	virtual ModResult OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven)
	{
		XLine *rl = ServerInstance->XLines->MatchesLine("CBAN", cname);

		if (rl)
		{
			// Channel is banned.
			user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick.c_str(), cname, rl->reason.c_str());
			ServerInstance->SNO->WriteGlobalSno('a', "%s tried to join %s which is CBANed (%s)",
				 user->nick.c_str(), cname, rl->reason.c_str());
			return MOD_RES_DENY;
		}

		return MOD_RES_PASSTHRU;
	}

	virtual Version GetVersion()
	{
		return Version("Gives /cban, aka C:lines. Think Q:lines, for channels.", VF_COMMON | VF_VENDOR);
	}
};

MODULE_INIT(ModuleCBan)