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 "users.h"
  15 #include "channels.h"
  16 #include "modules.h"
  17 #include "inspircd.h"
  18 #include "wildcard.h"
  19
  20 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  21
  22 /** Handle /CHECK
  23  */
  24 class cmd_check : public command_t
  25 {
  26  public:
  27         cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)
  28         {
  29                 this->source = "m_check.so";
  30                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  31         }
  32
  33         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  34         {
  35                 userrec *targuser;
  36                 chanrec *targchan;
  37                 std::string checkstr;
  38                 std::string chliststr;
  39
  40                 char timebuf[60];
  41                 struct tm *mytime;
  42
  43
  44                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  45
  46                 targuser = ServerInstance->FindNick(parameters[0]);
  47                 targchan = ServerInstance->FindChan(parameters[0]);
  48
  49                 /*
  50                  * Syntax of a /check reply:
  51                  *  :server.name 304 target :CHECK START <target>
  52                  *  :server.name 304 target :CHECK <field> <value>
  53                  *  :server.name 304 target :CHECK END
  54                  */
  55
  56                 user->WriteServ(checkstr + " START " + parameters[0]);
  57
  58                 if (targuser)
  59                 {
  60                         /* /check on a user */
  61                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  62                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  63                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  64                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  65                         user->WriteServ(checkstr + " server " + targuser->server);
  66                         if (targuser->awaymsg[0] != 0)
  67                         {
  68                                 /* user is away */
  69                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  70                         }
  71                         if (targuser->oper[0] != 0)
  72                         {
  73                                 /* user is an oper of type ____ */
  74                                 user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper));
  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->created;
  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 + " created " + 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 ", i->second->GlobalCloneCount(), targchan->GetAllPrefixChars(i->second), i->second->nick, i->second->ident, i->second->dhost, i->second->fullname);
 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->clientlist->begin(); a != ServerInstance->clientlist->end(); a++)
 132                         {
 133                                 if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))
 134                                 {
 135                                         /* host or vhost matches mask */
 136                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 137                                 }
 138                                 /* IP address */
 139                                 else if (match(a->second->GetIPString(), parameters[0], true))
 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 " + std::string(parameters[0]));
 150
 151                 return CMD_SUCCESS;
 152         }
 153 };
 154
 155
 156 class ModuleCheck : public Module
 157 {
 158  private:
 159         cmd_check *mycommand;
 160  public:
 161         ModuleCheck(InspIRCd* Me) : Module::Module(Me)
 162         {
 163
 164                 mycommand = new cmd_check(ServerInstance);
 165                 ServerInstance->AddCommand(mycommand);
 166         }
 167
 168         virtual ~ModuleCheck()
 169         {
 170         }
 171
 172         virtual Version GetVersion()
 173         {
 174                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 175         }
 176
 177         void Implements(char* List)
 178         {
 179                 /* we don't hook anything, nothing required */
 180         }
 181
 182 };
 183
 184
 185
 186 class ModuleCheckFactory : public ModuleFactory
 187 {
 188  public:
 189         ModuleCheckFactory()
 190         {
 191         }
 192
 193         ~ModuleCheckFactory()
 194         {
 195         }
 196
 197         virtual Module * CreateModule(InspIRCd* Me)
 198         {
 199                 return new ModuleCheck(Me);
 200         }
 201
 202 };
 203
 204 extern "C" void * init_module( void )
 205 {
 206         return new ModuleCheckFactory;
 207 }
 208