summaryrefslogtreecommitdiff
path: root/src/modes/cmode_b.cpp
blob: 660b0c27559a5cac64975b70a1a32270ec3046bb (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
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 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"
#include <string>
#include <vector>
#include "inspircd_config.h"
#include "configreader.h"
#include "hash_map.h"
#include "mode.h"
#include "channels.h"
#include "users.h"
#include "modules.h"
#include "inspstring.h"
#include "hashcomp.h"
#include "modes/cmode_b.h"

ModeChannelBan::ModeChannelBan() : ModeHandler(NULL, "ban", 'b', PARAM_ALWAYS, MODETYPE_CHANNEL)
{
	list = true;
}

ModeAction ModeChannelBan::OnModeChange(User* source, User*, Channel* channel, std::string &parameter, bool adding)
{
	int status = channel->GetPrefixValue(source);
	/* Call the correct method depending on wether we're adding or removing the mode */
	if (adding)
	{
		parameter = this->AddBan(source, parameter, channel, status);
	}
	else
	{
		parameter = this->DelBan(source, parameter, channel, status);
	}
	/* If the method above 'ate' the parameter by reducing it to an empty string, then
	 * it won't matter wether we return ALLOW or DENY here, as an empty string overrides
	 * the return value and is always MODEACTION_DENY if the mode is supposed to have
	 * a parameter.
	 */
	return MODEACTION_ALLOW;
}

void ModeChannelBan::RemoveMode(Channel* channel, irc::modestacker* stack)
{
	BanList copy;

	for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
	{
		copy.push_back(*i);
	}

	for (BanList::iterator i = copy.begin(); i != copy.end(); i++)
	{
		if (stack)
		{
			stack->Push(this->GetModeChar(), i->data);
		}
		else
		{
			std::vector<std::string> parameters; parameters.push_back(channel->name); parameters.push_back("-b"); parameters.push_back(i->data);
			ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
		}
	}
}

void ModeChannelBan::RemoveMode(User*, irc::modestacker* stack)
{
}

void ModeChannelBan::DisplayList(User* user, Channel* channel)
{
	/* Display the channel banlist */
	for (BanList::reverse_iterator i = channel->bans.rbegin(); i != channel->bans.rend(); ++i)
	{
		user->WriteServ("367 %s %s %s %s %lu",user->nick.c_str(), channel->name.c_str(), i->data.c_str(), i->set_by.c_str(), (unsigned long)i->set_time);
	}
	user->WriteServ("368 %s %s :End of channel ban list",user->nick.c_str(), channel->name.c_str());
	return;
}

void ModeChannelBan::DisplayEmptyList(User* user, Channel* channel)
{
	user->WriteServ("368 %s %s :End of channel ban list",user->nick.c_str(), channel->name.c_str());
}

std::string& ModeChannelBan::AddBan(User *user, std::string &dest, Channel *chan, int)
{
	if ((!user) || (!chan))
	{
		ServerInstance->Logs->Log("MODE",DEFAULT,"*** BUG *** AddBan was given an invalid parameter");
		dest = "";
		return dest;
	}

	/* Attempt to tidy the mask */
	ModeParser::CleanMask(dest);
	/* If the mask was invalid, we exit */
	if (dest == "" || dest.length() > 250)
		return dest;

	long maxbans = chan->GetMaxBans();
	if (IS_LOCAL(user) && ((unsigned)chan->bans.size() > (unsigned)maxbans))
	{
		user->WriteServ("478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %ld)",user->nick.c_str(), chan->name.c_str(), chan->name.c_str(), maxbans);
		dest = "";
		return dest;
	}

	ModResult MOD_RESULT;
	FIRST_MOD_RESULT(OnAddBan, MOD_RESULT, (user,chan,dest));
	if (MOD_RESULT == MOD_RES_DENY)
	{
		dest = "";
		return dest;
	}

	for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
	{
		if (i->data == dest)
		{
			/* dont allow a user to set the same ban twice */
			dest = "";
			return dest;
		}
	}

	b.set_time = ServerInstance->Time();
	b.data.assign(dest, 0, MAXBUF);
	b.set_by.assign(user->nick, 0, 64);
	chan->bans.push_back(b);
	return dest;
}

std::string& ModeChannelBan::DelBan(User *user, std::string& dest, Channel *chan, int)
{
	if ((!user) || (!chan))
	{
		ServerInstance->Logs->Log("MODE",DEFAULT,"*** BUG *** TakeBan was given an invalid parameter");
		dest = "";
		return dest;
	}

	for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
	{
		if (!strcasecmp(i->data.c_str(), dest.c_str()))
		{
			ModResult MOD_RESULT;
			FIRST_MOD_RESULT(OnDelBan, MOD_RESULT, (user, chan, dest));
			if (MOD_RESULT == MOD_RES_DENY)
			{
				dest = "";
				return dest;
			}
			chan->bans.erase(i);
			return dest;
		}
	}
	dest = "";
	return dest;
}