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         std::set<std::string> meta_seen;
  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         void dumpExtra(User* user, std::string checkstr, Extensible* ext)
  40         {
  41                 std::deque<std::string> extlist;
  42                 ext->GetExtList(extlist);
  43                 std::stringstream dumpkeys;
  44                 for(std::deque<std::string>::iterator i = extlist.begin(); i != extlist.end(); i++)
  45                 {
  46                         if (meta_seen.find(*i) == meta_seen.end())
  47                                 dumpkeys << " " << *i;
  48                 }
  49                 meta_seen.clear();
  50                 if (!dumpkeys.str().empty())
  51                         ServerInstance->DumpText(user,checkstr + " metadata ", dumpkeys);
  52         }
  53
  54         CmdResult Handle (const std::vector<std::string> &parameters, User *user)
  55         {
  56                 User *targuser;
  57                 Channel *targchan;
  58                 std::string checkstr;
  59                 std::string chliststr;
  60
  61                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  62
  63                 targuser = ServerInstance->FindNick(parameters[0]);
  64                 targchan = ServerInstance->FindChan(parameters[0]);
  65
  66                 /*
  67                  * Syntax of a /check reply:
  68                  *  :server.name 304 target :CHECK START <target>
  69                  *  :server.name 304 target :CHECK <field> <value>
  70                  *  :server.name 304 target :CHECK END
  71                  */
  72
  73                 user->WriteServ(checkstr + " START " + parameters[0]);
  74
  75                 if (targuser)
  76                 {
  77                         /* /check on a user */
  78                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  79                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  80                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  81                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  82                         user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  83                         user->WriteServ(checkstr + " server " + targuser->server);
  84                         user->WriteServ(checkstr + " uid " + targuser->uuid);
  85                         user->WriteServ(checkstr + " signon " + timestring(targuser->signon));
  86                         user->WriteServ(checkstr + " nickts " + timestring(targuser->age));
  87                         if (IS_LOCAL(targuser))
  88                                 user->WriteServ(checkstr + " lastmsg " + timestring(targuser->idle_lastmsg));
  89
  90                         if (IS_AWAY(targuser))
  91                         {
  92                                 /* user is away */
  93                                 user->WriteServ(checkstr + " awaytime " + timestring(targuser->awaytime));
  94                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  95                         }
  96
  97                         if (IS_OPER(targuser))
  98                         {
  99                                 /* user is an oper of type ____ */
 100                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper.c_str()));
 101                         }
 102
 103                         user->WriteServ(checkstr + " onip " + targuser->GetIPString());
 104                         if (IS_LOCAL(targuser))
 105                         {
 106                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetServerPort()));
 107                                 std::string classname = targuser->GetClass()->name;
 108                                 if (!classname.empty())
 109                                         user->WriteServ(checkstr + " connectclass " + classname);
 110                         }
 111
 112                         chliststr = targuser->ChannelList(targuser);
 113                         std::stringstream dump(chliststr);
 114
 115                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
 116
 117                         FOREACH_MOD_I(ServerInstance,I_OnSyncUser,OnSyncUser(targuser,Parent,(void*)user));
 118                         dumpExtra(user, checkstr, targuser);
 119                 }
 120                 else if (targchan)
 121                 {
 122                         /* /check on a channel */
 123                         user->WriteServ(checkstr + " timestamp " + timestring(targchan->age));
 124
 125                         if (targchan->topic[0] != 0)
 126                         {
 127                                 /* there is a topic, assume topic related information exists */
 128                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 129                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 130                                 user->WriteServ(checkstr + " topic_setat " + timestring(targchan->topicset));
 131                         }
 132
 133                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 134                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 135
 136                         /* now the ugly bit, spool current members of a channel. :| */
 137
 138                         CUList *ulist= targchan->GetUsers();
 139
 140                         /* note that unlike /names, we do NOT check +i vs in the channel */
 141                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 142                         {
 143                                 char tmpbuf[MAXBUF];
 144                                 /*
 145                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 146                                  */
 147                                 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());
 148                                 user->WriteServ(checkstr + " member " + tmpbuf);
 149                         }
 150
 151                         FOREACH_MOD_I(ServerInstance,I_OnSyncChannel,OnSyncChannel(targchan,Parent,(void*)user));
 152                         dumpExtra(user, checkstr, targchan);
 153                 }
 154                 else
 155                 {
 156                         /*  /check on an IP address, or something that doesn't exist */
 157                         long x = 0;
 158
 159                         /* hostname or other */
 160                         for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); a++)
 161                         {
 162                                 if (InspIRCd::Match(a->second->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
 163                                 {
 164                                         /* host or vhost matches mask */
 165                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 166                                 }
 167                                 /* IP address */
 168                                 else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
 169                                 {
 170                                         /* same IP. */
 171                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 172                                 }
 173                         }
 174
 175                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 176                 }
 177
 178                 user->WriteServ(checkstr + " END " + parameters[0]);
 179
 180                 return CMD_LOCALONLY;
 181         }
 182 };
 183
 184
 185 class ModuleCheck : public Module
 186 {
 187  private:
 188         CommandCheck mycommand;
 189  public:
 190         ModuleCheck(InspIRCd* Me) : Module(Me), mycommand(Me, this)
 191         {
 192                 ServerInstance->AddCommand(&mycommand);
 193         }
 194
 195         virtual ~ModuleCheck()
 196         {
 197         }
 198
 199         virtual Version GetVersion()
 200         {
 201                 return Version("$Id$", VF_VENDOR, API_VERSION);
 202         }
 203
 204         virtual void ProtoSendMetaData(void* opaque, Extensible* target, const std::string& name, const std::string& value)
 205         {
 206                 User* user = static_cast<User*>(opaque);
 207                 user->WriteServ("304 " + std::string(user->nick) + " :CHECK meta:" + name + " " + value);
 208                 mycommand.meta_seen.insert(name);
 209         }
 210
 211         virtual std::string ProtoTranslate(Extensible* item)
 212         {
 213                 User* u = dynamic_cast<User*>(item);
 214                 Channel* c = dynamic_cast<Channel*>(item);
 215                 if (u)
 216                         return u->nick;
 217                 if (c)
 218                         return c->name;
 219                 return "?";
 220         }
 221 };
 222
 223 MODULE_INIT(ModuleCheck)