2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
6 * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
8 * This file is part of InspIRCd. InspIRCd is free software: you can
9 * redistribute it and/or modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation, version 2.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 /* $ModDesc: Provides usermode +k to protect services from kicks, kills and mode changes. */
26 /** Handles user mode +k
28 class ServProtectMode : public ModeHandler
31 ServProtectMode(Module* Creator) : ModeHandler(Creator, "servprotect", 'k', PARAM_NONE, MODETYPE_USER) { oper = true; }
33 ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
35 /* Because this returns MODEACTION_DENY all the time, there is only ONE
36 * way to add this mode and that is at client introduction in the UID command,
37 * as this calls OnModeChange for each mode but disregards the return values.
38 * The mode cannot be manually added or removed, not even by a server or by a remote
39 * user or uline, which prevents its (ab)use as a kiddie 'god mode' on such networks.
40 * I'm sure if someone really wants to do that they can make a copy of this module
41 * that does the job. It won't be me though!
43 return MODEACTION_DENY;
47 class ModuleServProtectMode : public Module
51 ModuleServProtectMode()
56 void init() CXX11_OVERRIDE
58 ServerInstance->Modules->AddService(bm);
59 Implementation eventlist[] = { I_OnWhois, I_OnKill, I_OnWhoisLine, I_OnRawMode, I_OnUserPreKick };
60 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
63 Version GetVersion() CXX11_OVERRIDE
65 return Version("Provides usermode +k to protect services from kicks, kills, and mode changes.", VF_VENDOR);
68 void OnWhois(User* user, User* dest) CXX11_OVERRIDE
70 if (dest->IsModeSet('k'))
72 ServerInstance->SendWhoisLine(user, dest, 310, user->nick+" "+dest->nick+" :is a Network Service on "+ServerInstance->Config->Network);
76 ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt) CXX11_OVERRIDE
78 /* Check that the mode is not a server mode, it is being removed, the user making the change is local, there is a parameter,
79 * and the user making the change is not a uline
81 if (!adding && chan && IS_LOCAL(user) && !param.empty() && !ServerInstance->ULine(user->server))
83 /* Check if the parameter is a valid nick/uuid
85 User *u = ServerInstance->FindNick(param);
88 Membership* memb = chan->GetUser(u);
89 /* The target user has +k set on themselves, and you are trying to remove a privilege mode the user has set on themselves.
90 * This includes any prefix permission mode, even those registered in other modules, e.g. +qaohv. Using ::ModeString()
91 * here means that the number of modes is restricted to only modes the user has, limiting it to as short a loop as possible.
93 if (u->IsModeSet('k') && memb && memb->modes.find(mode) != std::string::npos)
96 user->WriteNumeric(482, "%s %s :You are not permitted to remove privileges from %s services", user->nick.c_str(), chan->name.c_str(), ServerInstance->Config->Network.c_str());
102 return MOD_RES_PASSTHRU;
105 ModResult OnKill(User* src, User* dst, const std::string &reason) CXX11_OVERRIDE
108 return MOD_RES_PASSTHRU;
110 if (dst->IsModeSet('k'))
112 src->WriteNumeric(485, "%s :You are not permitted to kill %s services!", src->nick.c_str(), ServerInstance->Config->Network.c_str());
113 ServerInstance->SNO->WriteGlobalSno('a', src->nick+" tried to kill service "+dst->nick+" ("+reason+")");
116 return MOD_RES_PASSTHRU;
119 ModResult OnUserPreKick(User *src, Membership* memb, const std::string &reason) CXX11_OVERRIDE
121 if (memb->user->IsModeSet('k'))
123 src->WriteNumeric(484, "%s %s :You are not permitted to kick services",
124 src->nick.c_str(), memb->chan->name.c_str());
128 return MOD_RES_PASSTHRU;
131 ModResult OnWhoisLine(User* src, User* dst, int &numeric, std::string &text) CXX11_OVERRIDE
133 return ((src != dst) && (numeric == 319) && dst->IsModeSet('k')) ? MOD_RES_DENY : MOD_RES_PASSTHRU;
138 MODULE_INIT(ModuleServProtectMode)