src/coremods/core_xline/cmd_zline.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2009 Matt Smith <dz@inspircd.org>
   6  *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
   7  *
   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.
  11  *
  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
  15  * details.
  16  *
  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/>.
  19  */
  20
  21
  22 #include "inspircd.h"
  23 #include "xline.h"
  24 #include "core_xline.h"
  25
  26 CommandZline::CommandZline(Module* parent)
  27         : Command(parent, "ZLINE", 1, 3)
  28 {
  29         flags_needed = 'o';
  30         syntax = "<ipmask> [<duration> :<reason>]";
  31 }
  32
  33 CmdResult CommandZline::Handle(User* user, const Params& parameters)
  34 {
  35         std::string target = parameters[0];
  36
  37         if (parameters.size() >= 3)
  38         {
  39                 if (target.find('!') != std::string::npos)
  40                 {
  41                         user->WriteNotice("*** You cannot include a nickname in a Z-line, a Z-line must ban only an IP mask.");
  42                         return CMD_FAILURE;
  43                 }
  44
  45                 User *u = ServerInstance->FindNick(target);
  46
  47                 if ((u) && (u->registered == REG_ALL))
  48                 {
  49                         target = u->GetIPString();
  50                 }
  51
  52                 const char* ipaddr = target.c_str();
  53
  54                 if (strchr(ipaddr,'@'))
  55                 {
  56                         while (*ipaddr != '@')
  57                                 ipaddr++;
  58                         ipaddr++;
  59                 }
  60
  61                 IPMatcher matcher;
  62                 if (InsaneBan::MatchesEveryone(ipaddr, matcher, user, "Z", "ipmasks"))
  63                         return CMD_FAILURE;
  64
  65                 unsigned long duration;
  66                 if (!InspIRCd::Duration(parameters[1], duration))
  67                 {
  68                         user->WriteNotice("*** Invalid duration for Z-line.");
  69                         return CMD_FAILURE;
  70                 }
  71                 ZLine* zl = new ZLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), ipaddr);
  72                 if (ServerInstance->XLines->AddLine(zl,user))
  73                 {
  74                         if (!duration)
  75                         {
  76                                 ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent Z-line for %s: %s", user->nick.c_str(), ipaddr, parameters[2].c_str());
  77                         }
  78                         else
  79                         {
  80                                 time_t c_requires_crap = duration + ServerInstance->Time();
  81                                 std::string timestr = InspIRCd::TimeString(c_requires_crap);
  82                                 ServerInstance->SNO->WriteToSnoMask('x',"%s added timed Z-line for %s, expires on %s: %s",user->nick.c_str(),ipaddr,
  83                                                 timestr.c_str(), parameters[2].c_str());
  84                         }
  85                         ServerInstance->XLines->ApplyLines();
  86                 }
  87                 else
  88                 {
  89                         delete zl;
  90                         user->WriteNotice("*** Z-line for " + std::string(ipaddr) + " already exists.");
  91                 }
  92         }
  93         else
  94         {
  95                 if (ServerInstance->XLines->DelLine(target.c_str(),"Z",user))
  96                 {
  97                         ServerInstance->SNO->WriteToSnoMask('x',"%s removed Z-line on %s",user->nick.c_str(),target.c_str());
  98                 }
  99                 else
 100                 {
 101                         user->WriteNotice("*** Z-line " + target + " not found in list, try /stats Z.");
 102                         return CMD_FAILURE;
 103                 }
 104         }
 105
 106         return CMD_SUCCESS;
 107 }
 108
 109 bool CommandZline::IPMatcher::Check(User* user, const std::string& ip) const
 110 {
 111         return InspIRCd::MatchCIDR(user->GetIPString(), ip, ascii_case_insensitive_map);
 112 }