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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2005, 2007 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"
/*
* This module supports the use of the +q and +a usermodes, but should work without them too.
* Usage of the command is restricted to +hoaq, and you cannot remove a user with a "higher" level than yourself.
* eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes.
*/
/** Base class for /FPART and /REMOVE
*/
class RemoveBase : public Command
{
bool& supportnokicks;
ChanModeReference& nokicksmode;
public:
unsigned int protectedrank;
RemoveBase(Module* Creator, bool& snk, ChanModeReference& nkm, const char* cmdn)
: Command(Creator, cmdn, 2, 3)
, supportnokicks(snk)
, nokicksmode(nkm)
{
}
CmdResult HandleRMB(const std::vector<std::string>& parameters, User *user, bool fpart)
{
User* target;
Channel* channel;
std::string reason;
// If the command is a /REMOVE then detect the parameter order
bool neworder = ((fpart) || (parameters[0][0] == '#'));
/* Set these to the parameters needed, the new version of this module switches it's parameters around
* supplying a new command with the new order while keeping the old /remove with the older order.
* /remove <nick> <channel> [reason ...]
* /fpart <channel> <nick> [reason ...]
*/
const std::string& channame = parameters[neworder ? 0 : 1];
const std::string& username = parameters[neworder ? 1 : 0];
/* Look up the user we're meant to be removing from the channel */
if (IS_LOCAL(user))
target = ServerInstance->FindNickOnly(username);
else
target = ServerInstance->FindNick(username);
/* And the channel we're meant to be removing them from */
channel = ServerInstance->FindChan(channame);
/* Fix by brain - someone needs to learn to validate their input! */
if ((!target) || (target->registered != REG_ALL) || (!channel))
{
user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", !channel ? channame.c_str() : username.c_str());
return CMD_FAILURE;
}
if (!channel->HasUser(target))
{
user->WriteNotice(InspIRCd::Format("*** The user %s is not on channel %s", target->nick.c_str(), channel->name.c_str()));
return CMD_FAILURE;
}
if (target->server->IsULine())
{
user->WriteNumeric(482, "%s :Only a u-line may remove a u-line from a channel.", channame.c_str());
return CMD_FAILURE;
}
/* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */
if ((!IS_LOCAL(user)) || (!supportnokicks) || (!channel->IsModeSet(nokicksmode)))
{
/* We'll let everyone remove their level and below, eg:
* ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1)
* a ulined target will get a higher level than it's possible for a /remover to get..so they're safe.
* Nobody may remove people with >= protectedrank rank.
*/
unsigned int ulevel = channel->GetPrefixValue(user);
unsigned int tlevel = channel->GetPrefixValue(target);
if ((!IS_LOCAL(user)) || ((ulevel > VOICE_VALUE) && (ulevel >= tlevel) && ((protectedrank == 0) || (tlevel < protectedrank))))
{
// REMOVE will be sent to the target's server and it will reply with a PART (or do nothing if it doesn't understand the command)
if (!IS_LOCAL(target))
{
// Send an ENCAP REMOVE with parameters being in the old <user> <chan> order which is
// compatible with both 2.0 and 2.2. This also turns FPART into REMOVE.
std::vector<std::string> p;
p.push_back(target->uuid);
p.push_back(channel->name);
if (parameters.size() > 2)
p.push_back(":" + parameters[2]);
ServerInstance->PI->SendEncapsulatedData(target->server->GetName(), "REMOVE", p, user);
return CMD_SUCCESS;
}
std::string reasonparam;
/* If a reason is given, use it */
if(parameters.size() > 2)
reasonparam = parameters[2];
else
reasonparam = "No reason given";
/* Build up the part reason string. */
reason = "Removed by " + user->nick + ": " + reasonparam;
channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s removed %s from the channel", channel->name.c_str(), user->nick.c_str(), target->nick.c_str());
target->WriteNotice("*** " + user->nick + " removed you from " + channel->name + " with the message: " + reasonparam);
channel->PartUser(target, reason);
}
else
{
user->WriteNotice(InspIRCd::Format("*** You do not have access to /remove %s from %s", target->nick.c_str(), channel->name.c_str()));
return CMD_FAILURE;
}
}
else
{
/* m_nokicks.so was loaded and +Q was set, block! */
user->WriteNumeric(ERR_RESTRICTED, "%s :Can't remove user %s from channel (nokicks mode is set)", channel->name.c_str(), target->nick.c_str());
return CMD_FAILURE;
}
return CMD_SUCCESS;
}
};
/** Handle /REMOVE
*/
class CommandRemove : public RemoveBase
{
public:
CommandRemove(Module* Creator, bool& snk, ChanModeReference& nkm)
: RemoveBase(Creator, snk, nkm, "REMOVE")
{
syntax = "<channel> <nick> [<reason>]";
TRANSLATE3(TR_NICK, TR_TEXT, TR_TEXT);
}
CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
return HandleRMB(parameters, user, false);
}
};
/** Handle /FPART
*/
class CommandFpart : public RemoveBase
{
public:
CommandFpart(Module* Creator, bool& snk, ChanModeReference& nkm)
: RemoveBase(Creator, snk, nkm, "FPART")
{
syntax = "<channel> <nick> [<reason>]";
TRANSLATE3(TR_TEXT, TR_NICK, TR_TEXT);
}
CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
return HandleRMB(parameters, user, true);
}
};
class ModuleRemove : public Module
{
ChanModeReference nokicksmode;
CommandRemove cmd1;
CommandFpart cmd2;
bool supportnokicks;
public:
ModuleRemove()
: nokicksmode(this, "nokick")
, cmd1(this, supportnokicks, nokicksmode)
, cmd2(this, supportnokicks, nokicksmode)
{
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
tokens["REMOVE"];
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("remove");
supportnokicks = tag->getBool("supportnokicks");
cmd1.protectedrank = cmd2.protectedrank = tag->getInt("protectedrank", 50000);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel", VF_OPTCOMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleRemove)
|
