src/modules/m_check.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include "users.h"
  20 #include "channels.h"
  21 #include "modules.h"
  22 #include "inspircd.h"
  23 #include "wildcard.h"
  24
  25 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  26
  27 /** Handle /CHECK
  28  */
  29 class cmd_check : public command_t
  30 {
  31  public:
  32         cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)
  33         {
  34                 this->source = "m_check.so";
  35                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  36         }
  37
  38         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  39         {
  40                 userrec *targuser;
  41                 chanrec *targchan;
  42                 std::string checkstr;
  43                 std::string chliststr;
  44
  45                 char timebuf[60];
  46                 struct tm *mytime;
  47
  48
  49                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  50
  51                 targuser = ServerInstance->FindNick(parameters[0]);
  52                 targchan = ServerInstance->FindChan(parameters[0]);
  53
  54                 /*
  55                  * Syntax of a /check reply:
  56                  *  :server.name 304 target :CHECK START <target>
  57                  *  :server.name 304 target :CHECK <field> <value>
  58                  *  :server.name 304 target :CHECK END
  59                  */
  60
  61                 user->WriteServ(checkstr + " START " + parameters[0]);
  62
  63                 if (targuser)
  64                 {
  65                         /* /check on a user */
  66                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  67                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  68                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  69                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  70                         user->WriteServ(checkstr + " server " + targuser->server);
  71                         if (targuser->awaymsg[0] != 0)
  72                         {
  73                                 /* user is away */
  74                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  75                         }
  76                         if (targuser->oper[0] != 0)
  77                         {
  78                                 /* user is an oper of type ____ */
  79                                 user->WriteServ(checkstr + " opertype " + targuser->oper);
  80                         }
  81                         if (IS_LOCAL(targuser))
  82                         {
  83                                 /* port information is only held for a local user! */
  84                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));
  85                         }
  86
  87                         chliststr = targuser->ChannelList(targuser);
  88                         std::stringstream dump(chliststr);
  89
  90                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
  91                 }
  92                 else if (targchan)
  93                 {
  94                         /* /check on a channel */
  95                         time_t creation_time = targchan->created;
  96                         time_t topic_time = targchan->topicset;
  97
  98                         mytime = gmtime(&creation_time);
  99                         strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 100                         user->WriteServ(checkstr + " created " + timebuf);
 101
 102                         if (targchan->topic[0] != 0)
 103                         {
 104                                 /* there is a topic, assume topic related information exists */
 105                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 106                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 107                                 mytime = gmtime(&topic_time);
 108                                 strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 109                                 user->WriteServ(checkstr + " topic_setat " + timebuf);
 110                         }
 111
 112                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 113                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 114
 115                         /* now the ugly bit, spool current members of a channel. :| */
 116
 117                         CUList *ulist= targchan->GetUsers();
 118
 119                         /* note that unlike /names, we do NOT check +i vs in the channel */
 120                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 121                         {
 122                                 char list[MAXBUF];
 123                                 char tmpbuf[MAXBUF];
 124                                 char* ptr = list;
 125                                 int flags = targchan->GetStatusFlags(i->second);
 126                                 /*
 127                                  * find how many connections from this user's IP -- unlike Asuka,
 128                                  * I define a clone as coming from the same host. --w00t
 129                                  */
 130                                 sprintf(ptr, "%lu    ", i->second->GlobalCloneCount());
 131
 132                                 if (flags & UCMODE_OP)
 133                                 {
 134                                         strcat(ptr, "@");
 135                                 }
 136
 137                                 if (flags & UCMODE_HOP)
 138                                 {
 139                                         strcat(ptr, "%");
 140                                 }
 141
 142                                 if (flags & UCMODE_VOICE)
 143                                 {
 144                                         strcat(ptr, "+");
 145                                 }
 146
 147                                 sprintf(tmpbuf, "%s (%s@%s) %s ", i->second->nick, i->second->ident, i->second->dhost, i->second->fullname);
 148                                 strcat(ptr, tmpbuf);
 149
 150                                 user->WriteServ(checkstr + " member " + ptr);
 151                         }
 152                 }
 153                 else
 154                 {
 155                         /*  /check on an IP address, or something that doesn't exist */
 156                         long x = 0;
 157
 158                         /* hostname or other */
 159                         for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
 160                         {
 161                                 if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))
 162                                 {
 163                                         /* host or vhost matches mask */
 164                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 165                                 }
 166                                 /* IP address */
 167                                 else if (match(a->second->GetIPString(), parameters[0]))
 168                                 {
 169                                         /* same IP. */
 170                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 171                                 }
 172                         }
 173
 174                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 175                 }
 176
 177                 user->WriteServ(checkstr + " END " + std::string(parameters[0]));
 178
 179                 return CMD_SUCCESS;
 180         }
 181 };
 182
 183
 184 class ModuleCheck : public Module
 185 {
 186  private:
 187         cmd_check *mycommand;
 188  public:
 189         ModuleCheck(InspIRCd* Me) : Module::Module(Me)
 190         {
 191
 192                 mycommand = new cmd_check(ServerInstance);
 193                 ServerInstance->AddCommand(mycommand);
 194         }
 195
 196         virtual ~ModuleCheck()
 197         {
 198         }
 199
 200         virtual Version GetVersion()
 201         {
 202                 return Version(1, 0, 0, 0, VF_VENDOR);
 203         }
 204
 205         void Implements(char* List)
 206         {
 207                 /* we don't hook anything, nothing required */
 208         }
 209
 210 };
 211
 212
 213
 214 class ModuleCheckFactory : public ModuleFactory
 215 {
 216  public:
 217         ModuleCheckFactory()
 218         {
 219         }
 220
 221         ~ModuleCheckFactory()
 222         {
 223         }
 224
 225         virtual Module * CreateModule(InspIRCd* Me)
 226         {
 227                 return new ModuleCheck(Me);
 228         }
 229
 230 };
 231
 232 extern "C" void * init_module( void )
 233 {
 234         return new ModuleCheckFactory;
 235 }
 236