summaryrefslogtreecommitdiff
path: root/src/commands/cmd_kill.cpp
blob: dddfe429120b42c1374ea79f89290a1a058414bf (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
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
 *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
 *
 * 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"

/** Handle /KILL. These command handlers can be reloaded by the core,
 * and handle basic RFC1459 commands. Commands within modules work
 * the same way, however, they can be fully unloaded, where these
 * may not.
 */
class CommandKill : public Command
{
	std::string lastuuid;
	std::string killreason;

 public:
	/** Constructor for kill.
	 */
	CommandKill ( Module* parent) : Command(parent,"KILL",2,2) {
		flags_needed = 'o';
		syntax = "<nickname> <reason>";
		TRANSLATE2(TR_CUSTOM, TR_CUSTOM);
	}
	/** Handle command.
	 * @param parameters The parameters to the comamnd
	 * @param pcnt The number of parameters passed to teh command
	 * @param user The user issuing the command
	 * @return A value from CmdResult to indicate command success or failure.
	 */
	CmdResult Handle(const std::vector<std::string>& parameters, User *user);
	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
	{
		// FindNick() doesn't work here because we quit the target user in Handle() which
		// removes it from the nicklist, so we check lastuuid: if it's empty then this KILL
		// was for a local user, otherwise it contains the uuid of the user who was killed.
		if (lastuuid.empty())
			return ROUTE_LOCALONLY;
		return ROUTE_BROADCAST;
	}

	void EncodeParameter(std::string& param, int index)
	{
		// Manually translate the nick -> uuid (see above), and also the reason (params[1])
		// because we decorate it if the oper is local and want remote servers to see the
		// decorated reason not the original.
		param = ((index == 0) ? lastuuid : killreason);
	}
};

/** Handle /KILL
 */
CmdResult CommandKill::Handle (const std::vector<std::string>& parameters, User *user)
{
	/* Allow comma seperated lists of users for /KILL (thanks w00t) */
	if (CommandParser::LoopCall(user, this, parameters, 0))
	{
		// If we got a colon delimited list of nicks then the handler ran for each nick,
		// and KILL commands were broadcast for remote targets.
		return CMD_FAILURE;
	}

	User *u = ServerInstance->FindNick(parameters[0]);
	if ((u) && (!IS_SERVER(u)))
	{
		/*
		 * Here, we need to decide how to munge kill messages. Whether to hide killer, what to show opers, etc.
		 * We only do this when the command is being issued LOCALLY, for remote KILL, we just copy the message we got.
		 *
		 * This conditional is so that we only append the "Killed (" prefix ONCE. If killer is remote, then the kill
		 * just gets processed and passed on, otherwise, if they are local, it gets prefixed. Makes sense :-) -- w00t
		 */

		if (IS_LOCAL(user))
		{
			/*
			 * Moved this event inside the IS_LOCAL check also, we don't want half the network killing a user
			 * and the other half not. This would be a bad thing. ;p -- w00t
			 */
	 		ModResult MOD_RESULT;
			FIRST_MOD_RESULT(OnKill, MOD_RESULT, (user, u, parameters[1]));

			if (MOD_RESULT == MOD_RES_DENY)
				return CMD_FAILURE;

			killreason = "Killed (";
			if (!ServerInstance->Config->HideKillsServer.empty())
			{
				// hidekills is on, use it
				killreason += ServerInstance->Config->HideKillsServer;
			}
			else
			{
				// hidekills is off, do nothing
				killreason += user->nick;
			}

			killreason += " (" + parameters[1] + "))";
		}
		else
		{
			/* Leave it alone, remote server has already formatted it */
			killreason.assign(parameters[1], 0, ServerInstance->Config->Limits.MaxQuit);
		}

		/*
		 * Now we need to decide whether or not to send a local or remote snotice. Currently this checking is a little flawed.
		 * No time to fix it right now, so left a note. -- w00t
		 */
		if (!IS_LOCAL(u))
		{
			// remote kill
			ServerInstance->SNO->WriteToSnoMask('K', "Remote kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str());
			this->lastuuid = u->uuid;
		}
		else
		{
			// local kill
			/*
			 * XXX - this isn't entirely correct, servers A - B - C, oper on A, client on C. Oper kills client, A and B will get remote kill
			 * snotices, C will get a local kill snotice. this isn't accurate, and needs fixing at some stage. -- w00t
			 */
			if (IS_LOCAL(user))
				ServerInstance->SNO->WriteGlobalSno('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str());
			else
				ServerInstance->SNO->WriteToSnoMask('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str());
			ServerInstance->Logs->Log("KILL", LOG_DEFAULT, "LOCAL KILL: %s :%s!%s!%s (%s)", u->nick.c_str(), ServerInstance->Config->ServerName.c_str(), user->dhost.c_str(), user->nick.c_str(), parameters[1].c_str());
			/* Bug #419, make sure this message can only occur once even in the case of multiple KILL messages crossing the network, and change to show
			 * hidekillsserver as source if possible
			 */
			if (!u->quitting)
			{
				u->Write(":%s KILL %s :%s!%s!%s (%s)", ServerInstance->Config->HideKillsServer.empty() ? user->GetFullHost().c_str() : ServerInstance->Config->HideKillsServer.c_str(),
						u->nick.c_str(),
						ServerInstance->Config->ServerName.c_str(),
						user->dhost.c_str(),
						ServerInstance->Config->HideKillsServer.empty() ? user->nick.c_str() : ServerInstance->Config->HideKillsServer.c_str(),
						parameters[1].c_str());
			}

			this->lastuuid.clear();
		}

		// send the quit out
		ServerInstance->Users->QuitUser(u, killreason);
	}
	else
	{
		user->WriteServ( "401 %s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str());
		return CMD_FAILURE;
	}

	return CMD_SUCCESS;
}


COMMAND_INIT(CommandKill)