src/modules/m_check.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  17
  18 /** Handle /CHECK
  19  */
  20 class CommandCheck : public Command
  21 {
  22  public:
  23         CommandCheck (InspIRCd* Instance) : Command(Instance,"CHECK", "o", 1)
  24         {
  25                 this->source = "m_check.so";
  26                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  27         }
  28
  29         CmdResult Handle (const std::vector<std::string> &parameters, User *user)
  30         {
  31                 User *targuser;
  32                 Channel *targchan;
  33                 std::string checkstr;
  34                 std::string chliststr;
  35
  36                 char timebuf[60];
  37                 struct tm *mytime;
  38
  39
  40                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  41
  42                 targuser = ServerInstance->FindNick(parameters[0]);
  43                 targchan = ServerInstance->FindChan(parameters[0]);
  44
  45                 /*
  46                  * Syntax of a /check reply:
  47                  *  :server.name 304 target :CHECK START <target>
  48                  *  :server.name 304 target :CHECK <field> <value>
  49                  *  :server.name 304 target :CHECK END
  50                  */
  51
  52                 user->WriteServ(checkstr + " START " + parameters[0]);
  53
  54                 if (targuser)
  55                 {
  56                         /* /check on a user */
  57                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  58                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  59                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  60                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  61                         user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  62                         user->WriteServ(checkstr + " server " + targuser->server);
  63
  64                         if (IS_AWAY(targuser))
  65                         {
  66                                 /* user is away */
  67                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  68                         }
  69
  70                         if (IS_OPER(targuser))
  71                         {
  72                                 /* user is an oper of type ____ */
  73                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper.c_str()));
  74                         }
  75
  76                         if (IS_LOCAL(targuser))
  77                         {
  78                                 /* port information is only held for a local user! */
  79                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));
  80                         }
  81
  82                         chliststr = targuser->ChannelList(targuser);
  83                         std::stringstream dump(chliststr);
  84
  85                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
  86                 }
  87                 else if (targchan)
  88                 {
  89                         /* /check on a channel */
  90                         time_t creation_time = targchan->age;
  91                         time_t topic_time = targchan->topicset;
  92
  93                         mytime = gmtime(&creation_time);
  94                         strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
  95                         user->WriteServ(checkstr + " timestamp " + timebuf);
  96
  97                         if (targchan->topic[0] != 0)
  98                         {
  99                                 /* there is a topic, assume topic related information exists */
 100                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 101                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 102                                 mytime = gmtime(&topic_time);
 103                                 strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 104                                 user->WriteServ(checkstr + " topic_setat " + timebuf);
 105                         }
 106
 107                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 108                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 109
 110                         /* now the ugly bit, spool current members of a channel. :| */
 111
 112                         CUList *ulist= targchan->GetUsers();
 113
 114                         /* note that unlike /names, we do NOT check +i vs in the channel */
 115                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 116                         {
 117                                 char tmpbuf[MAXBUF];
 118                                 /*
 119                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 120                                  */
 121                                 snprintf(tmpbuf, MAXBUF, "%lu    %s%s (%s@%s) %s ", ServerInstance->Users->GlobalCloneCount(i->first), targchan->GetAllPrefixChars(i->first), i->first->nick.c_str(), i->first->ident.c_str(), i->first->dhost.c_str(), i->first->fullname.c_str());
 122                                 user->WriteServ(checkstr + " member " + tmpbuf);
 123                         }
 124                 }
 125                 else
 126                 {
 127                         /*  /check on an IP address, or something that doesn't exist */
 128                         long x = 0;
 129
 130                         /* hostname or other */
 131                         for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); a++)
 132                         {
 133                                 if (InspIRCd::Match(a->second->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
 134                                 {
 135                                         /* host or vhost matches mask */
 136                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 137                                 }
 138                                 /* IP address */
 139                                 else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
 140                                 {
 141                                         /* same IP. */
 142                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 143                                 }
 144                         }
 145
 146                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 147                 }
 148
 149                 user->WriteServ(checkstr + " END " + parameters[0]);
 150
 151                 return CMD_LOCALONLY;
 152         }
 153 };
 154
 155
 156 class ModuleCheck : public Module
 157 {
 158  private:
 159         CommandCheck *mycommand;
 160  public:
 161         ModuleCheck(InspIRCd* Me) : Module(Me)
 162         {
 163
 164                 mycommand = new CommandCheck(ServerInstance);
 165                 ServerInstance->AddCommand(mycommand);
 166
 167         }
 168
 169         virtual ~ModuleCheck()
 170         {
 171         }
 172
 173         virtual Version GetVersion()
 174         {
 175                 return Version("$Id$", VF_VENDOR, API_VERSION);
 176         }
 177
 178
 179 };
 180
 181 MODULE_INIT(ModuleCheck)