src/modules/m_check.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 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 #include "wildcard.h"
  16
  17 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  18
  19 /** Handle /CHECK
  20  */
  21 class cmd_check : public command_t
  22 {
  23  public:
  24         cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)
  25         {
  26                 this->source = "m_check.so";
  27                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  28         }
  29
  30         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  31         {
  32                 userrec *targuser;
  33                 chanrec *targchan;
  34                 std::string checkstr;
  35                 std::string chliststr;
  36
  37                 char timebuf[60];
  38                 struct tm *mytime;
  39
  40
  41                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  42
  43                 targuser = ServerInstance->FindNick(parameters[0]);
  44                 targchan = ServerInstance->FindChan(parameters[0]);
  45
  46                 /*
  47                  * Syntax of a /check reply:
  48                  *  :server.name 304 target :CHECK START <target>
  49                  *  :server.name 304 target :CHECK <field> <value>
  50                  *  :server.name 304 target :CHECK END
  51                  */
  52
  53                 user->WriteServ(checkstr + " START " + parameters[0]);
  54
  55                 if (targuser)
  56                 {
  57                         /* /check on a user */
  58                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  59                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  60                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  61                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  62                         user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  63                         user->WriteServ(checkstr + " server " + targuser->server);
  64
  65                         if (IS_AWAY(targuser))
  66                         {
  67                                 /* user is away */
  68                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  69                         }
  70
  71                         if (IS_OPER(targuser))
  72                         {
  73                                 /* user is an oper of type ____ */
  74                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper));
  75                         }
  76
  77                         if (IS_LOCAL(targuser))
  78                         {
  79                                 /* port information is only held for a local user! */
  80                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));
  81                         }
  82
  83                         chliststr = targuser->ChannelList(targuser);
  84                         std::stringstream dump(chliststr);
  85
  86                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
  87                 }
  88                 else if (targchan)
  89                 {
  90                         /* /check on a channel */
  91                         time_t creation_time = targchan->created;
  92                         time_t topic_time = targchan->topicset;
  93
  94                         mytime = gmtime(&creation_time);
  95                         strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
  96                         user->WriteServ(checkstr + " created " + timebuf);
  97
  98                         if (targchan->topic[0] != 0)
  99                         {
 100                                 /* there is a topic, assume topic related information exists */
 101                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 102                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 103                                 mytime = gmtime(&topic_time);
 104                                 strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 105                                 user->WriteServ(checkstr + " topic_setat " + timebuf);
 106                         }
 107
 108                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 109                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 110
 111                         /* now the ugly bit, spool current members of a channel. :| */
 112
 113                         CUList *ulist= targchan->GetUsers();
 114
 115                         /* note that unlike /names, we do NOT check +i vs in the channel */
 116                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 117                         {
 118                                 char tmpbuf[MAXBUF];
 119                                 /*
 120                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 121                                  */
 122                                 snprintf(tmpbuf, MAXBUF, "%lu    %s%s (%s@%s) %s ", i->first->GlobalCloneCount(), targchan->GetAllPrefixChars(i->first), i->first->nick, i->first->ident, i->first->dhost, i->first->fullname);
 123                                 user->WriteServ(checkstr + " member " + tmpbuf);
 124                         }
 125                 }
 126                 else
 127                 {
 128                         /*  /check on an IP address, or something that doesn't exist */
 129                         long x = 0;
 130
 131                         /* hostname or other */
 132                         for (user_hash::const_iterator a = ServerInstance->clientlist->begin(); a != ServerInstance->clientlist->end(); a++)
 133                         {
 134                                 if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))
 135                                 {
 136                                         /* host or vhost matches mask */
 137                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 138                                 }
 139                                 /* IP address */
 140                                 else if (match(a->second->GetIPString(), parameters[0], true))
 141                                 {
 142                                         /* same IP. */
 143                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 144                                 }
 145                         }
 146
 147                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 148                 }
 149
 150                 user->WriteServ(checkstr + " END " + std::string(parameters[0]));
 151
 152                 return CMD_LOCALONLY;
 153         }
 154 };
 155
 156
 157 class ModuleCheck : public Module
 158 {
 159  private:
 160         cmd_check *mycommand;
 161  public:
 162         ModuleCheck(InspIRCd* Me) : Module(Me)
 163         {
 164
 165                 mycommand = new cmd_check(ServerInstance);
 166                 ServerInstance->AddCommand(mycommand);
 167         }
 168
 169         virtual ~ModuleCheck()
 170         {
 171         }
 172
 173         virtual Version GetVersion()
 174         {
 175                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 176         }
 177
 178         void Implements(char* List)
 179         {
 180                 /* we don't hook anything, nothing required */
 181         }
 182
 183 };
 184
 185 MODULE_INIT(ModuleCheck)