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://wiki.inspircd.org/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         Module* Parent;
  23  public:
  24         bool md_sent;
  25         CommandCheck (InspIRCd* Instance, Module* parent) : Command(Instance,"CHECK", "o", 1), Parent(parent)
  26         {
  27                 this->source = "m_check.so";
  28                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  29         }
  30
  31         std::string timestring(time_t time)
  32         {
  33                 char timebuf[60];
  34                 struct tm *mytime = gmtime(&time);
  35                 strftime(timebuf, 59, "%Y-%m-%d %H:%M:%S UTC (%s)", mytime);
  36                 return std::string(timebuf);
  37         }
  38
  39         CmdResult Handle (const std::vector<std::string> &parameters, User *user)
  40         {
  41                 User *targuser;
  42                 Channel *targchan;
  43                 std::string checkstr;
  44                 std::string chliststr;
  45
  46                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  47
  48                 targuser = ServerInstance->FindNick(parameters[0]);
  49                 targchan = ServerInstance->FindChan(parameters[0]);
  50
  51                 /*
  52                  * Syntax of a /check reply:
  53                  *  :server.name 304 target :CHECK START <target>
  54                  *  :server.name 304 target :CHECK <field> <value>
  55                  *  :server.name 304 target :CHECK END
  56                  */
  57
  58                 user->WriteServ(checkstr + " START " + parameters[0]);
  59
  60                 if (targuser)
  61                 {
  62                         /* /check on a user */
  63                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  64                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  65                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  66                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  67                         user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  68                         user->WriteServ(checkstr + " server " + targuser->server);
  69                         user->WriteServ(checkstr + " uid " + targuser->uuid);
  70                         user->WriteServ(checkstr + " signon " + timestring(targuser->signon));
  71                         user->WriteServ(checkstr + " nickts " + timestring(targuser->age));
  72                         if (IS_LOCAL(targuser))
  73                                 user->WriteServ(checkstr + " lastmsg " + timestring(targuser->idle_lastmsg));
  74
  75                         if (IS_AWAY(targuser))
  76                         {
  77                                 /* user is away */
  78                                 user->WriteServ(checkstr + " awaytime " + timestring(targuser->awaytime));
  79                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  80                         }
  81
  82                         if (IS_OPER(targuser))
  83                         {
  84                                 /* user is an oper of type ____ */
  85                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper.c_str()));
  86                         }
  87
  88                         user->WriteServ(checkstr + " onip " + targuser->GetIPString());
  89                         if (IS_LOCAL(targuser))
  90                         {
  91                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetServerPort()));
  92                                 std::string classname = targuser->GetClass()->name;
  93                                 if (!classname.empty())
  94                                         user->WriteServ(checkstr + " connectclass " + classname);
  95                         }
  96
  97                         chliststr = targuser->ChannelList(targuser);
  98                         std::stringstream dump(chliststr);
  99
 100                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
 101
 102                         std::deque<std::string> extlist;
 103                         targuser->GetExtList(extlist);
 104                         std::stringstream dumpkeys;
 105                         for(std::deque<std::string>::iterator i = extlist.begin(); i != extlist.end(); i++)
 106                         {
 107                                 md_sent = false;
 108                                 FOREACH_MOD_I(ServerInstance,I_OnSyncUserMetaData,OnSyncUserMetaData(targuser,Parent,(void*)user,*i, true));
 109                                 if (!md_sent)
 110                                         dumpkeys << " " << *i;
 111                         }
 112                         if (!dumpkeys.str().empty())
 113                                 ServerInstance->DumpText(user,checkstr + " metadata ", dumpkeys);
 114                 }
 115                 else if (targchan)
 116                 {
 117                         /* /check on a channel */
 118                         user->WriteServ(checkstr + " timestamp " + timestring(targchan->age));
 119
 120                         if (targchan->topic[0] != 0)
 121                         {
 122                                 /* there is a topic, assume topic related information exists */
 123                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 124                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 125                                 user->WriteServ(checkstr + " topic_setat " + timestring(targchan->topicset));
 126                         }
 127
 128                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 129                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 130
 131                         /* now the ugly bit, spool current members of a channel. :| */
 132
 133                         CUList *ulist= targchan->GetUsers();
 134
 135                         /* note that unlike /names, we do NOT check +i vs in the channel */
 136                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 137                         {
 138                                 char tmpbuf[MAXBUF];
 139                                 /*
 140                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 141                                  */
 142                                 snprintf(tmpbuf, MAXBUF, "%-3lu %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());
 143                                 user->WriteServ(checkstr + " member " + tmpbuf);
 144                         }
 145
 146                         std::deque<std::string> extlist;
 147                         targchan->GetExtList(extlist);
 148                         std::stringstream dumpkeys;
 149                         for(std::deque<std::string>::iterator i = extlist.begin(); i != extlist.end(); i++)
 150                         {
 151                                 md_sent = false;
 152                                 FOREACH_MOD_I(ServerInstance,I_OnSyncChannelMetaData,OnSyncChannelMetaData(targchan,Parent,(void*)user,*i, true));
 153                                 if (!md_sent)
 154                                         dumpkeys << " " << *i;
 155                         }
 156                         if (!dumpkeys.str().empty())
 157                                 ServerInstance->DumpText(user,checkstr + " metadata ", dumpkeys);
 158                 }
 159                 else
 160                 {
 161                         /*  /check on an IP address, or something that doesn't exist */
 162                         long x = 0;
 163
 164                         /* hostname or other */
 165                         for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); a++)
 166                         {
 167                                 if (InspIRCd::Match(a->second->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
 168                                 {
 169                                         /* host or vhost matches mask */
 170                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 171                                 }
 172                                 /* IP address */
 173                                 else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
 174                                 {
 175                                         /* same IP. */
 176                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 177                                 }
 178                         }
 179
 180                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 181                 }
 182
 183                 user->WriteServ(checkstr + " END " + parameters[0]);
 184
 185                 return CMD_LOCALONLY;
 186         }
 187 };
 188
 189
 190 class ModuleCheck : public Module
 191 {
 192  private:
 193         CommandCheck mycommand;
 194  public:
 195         ModuleCheck(InspIRCd* Me) : Module(Me), mycommand(Me, this)
 196         {
 197                 ServerInstance->AddCommand(&mycommand);
 198         }
 199
 200         virtual ~ModuleCheck()
 201         {
 202         }
 203
 204         virtual Version GetVersion()
 205         {
 206                 return Version("$Id$", VF_VENDOR, API_VERSION);
 207         }
 208
 209         virtual void ProtoSendMetaData(void* opaque, TargetTypeFlags type, void* target, const std::string& name, const std::string& value)
 210         {
 211                 User* user = static_cast<User*>(opaque);
 212                 user->WriteServ("304 " + std::string(user->nick) + " :CHECK meta:" + name + " " + value);
 213                 mycommand.md_sent = true;
 214         }
 215 };
 216
 217 MODULE_INIT(ModuleCheck)