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 "commands.h"
  23 #include "inspircd.h"
  24
  25 #include "wildcard.h"
  26
  27 /* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */
  28
  29
  30
  31 class cmd_check : public command_t
  32 {
  33  public:
  34         cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)
  35         {
  36                 this->source = "m_check.so";
  37                 syntax = "<nickname>|<ip>|<hostmask>|<channel>";
  38         }
  39
  40         void Handle (const char** parameters, int pcnt, userrec *user)
  41         {
  42                 userrec *targuser;
  43                 chanrec *targchan;
  44                 std::string checkstr;
  45                 std::string chliststr;
  46
  47                 char timebuf[60];
  48                 struct tm *mytime;
  49
  50
  51                 checkstr = "304 " + std::string(user->nick) + " :CHECK";
  52
  53                 targuser = ServerInstance->FindNick(parameters[0]);
  54                 targchan = ServerInstance->FindChan(parameters[0]);
  55
  56                 /*
  57                  * Syntax of a /check reply:
  58                  *  :server.name 304 target :CHECK START <target>
  59                  *  :server.name 304 target :CHECK <field> <value>
  60                  *  :server.name 304 target :CHECK END
  61                  */
  62
  63                 user->WriteServ(checkstr + " START " + parameters[0]);
  64
  65                 if (targuser)
  66                 {
  67                         /* /check on a user */
  68                         user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());
  69                         user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());
  70                         user->WriteServ(checkstr + " realname " + targuser->fullname);
  71                         user->WriteServ(checkstr + " modes +" + targuser->FormatModes());
  72                         user->WriteServ(checkstr + " server " + targuser->server);
  73                         if (targuser->awaymsg[0] != 0)
  74                         {
  75                                 /* user is away */
  76                                 user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);
  77                         }
  78                         if (targuser->oper[0] != 0)
  79                         {
  80                                 /* user is an oper of type ____ */
  81                                 user->WriteServ(checkstr + " opertype " + targuser->oper);
  82                         }
  83                         if (IS_LOCAL(targuser))
  84                         {
  85                                 /* port information is only held for a local user! */
  86                                 user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));
  87                         }
  88
  89                         chliststr = targuser->ChannelList(targuser);
  90                         std::stringstream dump(chliststr);
  91
  92                         ServerInstance->DumpText(user,checkstr + " onchans ", dump);
  93                 }
  94                 else if (targchan)
  95                 {
  96                         /* /check on a channel */
  97                         time_t creation_time = targchan->created;
  98                         time_t topic_time = targchan->topicset;
  99
 100                         mytime = gmtime(&creation_time);
 101                         strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 102                         user->WriteServ(checkstr + " created " + timebuf);
 103
 104                         if (targchan->topic[0] != 0)
 105                         {
 106                                 /* there is a topic, assume topic related information exists */
 107                                 user->WriteServ(checkstr + " topic " + targchan->topic);
 108                                 user->WriteServ(checkstr + " topic_setby " + targchan->setby);
 109                                 mytime = gmtime(&topic_time);
 110                                 strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);
 111                                 user->WriteServ(checkstr + " topic_setat " + timebuf);
 112                         }
 113
 114                         user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));
 115                         user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 116
 117                         /* now the ugly bit, spool current members of a channel. :| */
 118
 119                         CUList *ulist= targchan->GetUsers();
 120
 121                         /* note that unlike /names, we do NOT check +i vs in the channel */
 122                         for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
 123                         {
 124                                 char list[MAXBUF];
 125                                 char tmpbuf[MAXBUF];
 126                                 char* ptr = list;
 127                                 int flags = targchan->GetStatusFlags(i->second);
 128                                 /*
 129                                  * find how many connections from this user's IP -- unlike Asuka,
 130                                  * I define a clone as coming from the same host. --w00t
 131                                  */
 132                                 sprintf(ptr, "%lu    ", i->second->GlobalCloneCount());
 133
 134                                 if (flags & UCMODE_OP)
 135                                 {
 136                                         strcat(ptr, "@");
 137                                 }
 138
 139                                 if (flags & UCMODE_HOP)
 140                                 {
 141                                         strcat(ptr, "%");
 142                                 }
 143
 144                                 if (flags & UCMODE_VOICE)
 145                                 {
 146                                         strcat(ptr, "+");
 147                                 }
 148
 149                                 sprintf(tmpbuf, "%s (%s@%s) %s ", i->second->nick, i->second->ident, i->second->dhost, i->second->fullname);
 150                                 strcat(ptr, tmpbuf);
 151
 152                                 user->WriteServ(checkstr + " member " + ptr);
 153                         }
 154                 }
 155                 else
 156                 {
 157                         /*  /check on an IP address, or something that doesn't exist */
 158                         long x = 0;
 159
 160                         /* hostname or other */
 161                         for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++)
 162                         {
 163                                 if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))
 164                                 {
 165                                         /* host or vhost matches mask */
 166                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 167                                 }
 168                                 /* IP address */
 169                                 else if (match(a->second->GetIPString(), parameters[0]))
 170                                 {
 171                                         /* same IP. */
 172                                         user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 173                                 }
 174                         }
 175
 176                         user->WriteServ(checkstr + " matches " + ConvToStr(x));
 177                 }
 178
 179                 user->WriteServ(checkstr + " END " + std::string(parameters[0]));
 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