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  public:
  23         CommandCheck(Module* parent) : Command(parent,"CHECK", 1)
  24         {
  25                 flags_needed = 'o'; syntax = "<nickname>|<ip>|<hostmask>|<channel> <server>";
  26         }
  27
  28         std::string timestring(time_t time)
  29         {
  30                 char timebuf[60];
  31                 struct tm *mytime = gmtime(&time);
  32                 strftime(timebuf, 59, "%Y-%m-%d %H:%M:%S UTC (%s)", mytime);
  33                 return std::string(timebuf);
  34         }
  35
  36         void dumpExt(User* user, std::string checkstr, Extensible* ext)
  37         {
  38                 std::stringstream dumpkeys;
  39                 for(ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++)
  40                 {
  41                         ExtensionItem* item = Extensible::GetItem(i->first);
  42                         std::string value;
  43                         if (item)
  44                                 value = item->serialize(FORMAT_USER, ext, i->second);
  45                         if (value.empty())
  46                                 dumpkeys << " " << i->first;
  47                         else
  48                                 ServerInstance->DumpText(user, checkstr + " meta:" + i->first + " " + value);
  49                 }
  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                 if (parameters.size() > 1 && parameters[1] != ServerInstance->Config->ServerName)
  57                         return CMD_SUCCESS;
  58
  59                 User *targuser;
  60                 Channel *targchan;
  61                 std::string checkstr;
  62                 std::string chliststr;
  63
  64                 checkstr = std::string(":") + ServerInstance->Config->ServerName + " 304 " + std::string(user->nick) + " :CHECK";
  65
  66                 targuser = ServerInstance->FindNick(parameters[0]);
  67                 targchan = ServerInstance->FindChan(parameters[0]);
  68
  69                 /*
  70                  * Syntax of a /check reply:
  71                  *  :server.name 304 target :CHECK START <target>
  72                  *  :server.name 304 target :CHECK <field> <value>
  73                  *  :server.name 304 target :CHECK END
  74                  */
  75
  76                 ServerInstance->DumpText(user, checkstr + " START " + parameters[0]);
  77
  78                 if (targuser)
  79                 {
  80                         /* /check on a user */
  81                         ServerInstance->DumpText(user, checkstr + " nuh " + targuser->GetFullHost());
  82                         ServerInstance->DumpText(user, checkstr + " realnuh " + targuser->GetFullRealHost());
  83                         ServerInstance->DumpText(user, checkstr + " realname " + targuser->fullname);
  84                         ServerInstance->DumpText(user, checkstr + " modes +" + targuser->FormatModes());
  85                         ServerInstance->DumpText(user, checkstr + " snomasks +" + targuser->FormatNoticeMasks());
  86                         ServerInstance->DumpText(user, checkstr + " server " + targuser->server);
  87                         ServerInstance->DumpText(user, checkstr + " uid " + targuser->uuid);
  88                         ServerInstance->DumpText(user, checkstr + " signon " + timestring(targuser->signon));
  89                         ServerInstance->DumpText(user, checkstr + " nickts " + timestring(targuser->age));
  90                         if (IS_LOCAL(targuser))
  91                                 ServerInstance->DumpText(user, checkstr + " lastmsg " + timestring(targuser->idle_lastmsg));
  92
  93                         if (IS_AWAY(targuser))
  94                         {
  95                                 /* user is away */
  96                                 ServerInstance->DumpText(user, checkstr + " awaytime " + timestring(targuser->awaytime));
  97                                 ServerInstance->DumpText(user, checkstr + " awaymsg " + targuser->awaymsg);
  98                         }
  99
 100                         if (IS_OPER(targuser))
 101                         {
 102                                 /* user is an oper of type ____ */
 103                                 ServerInstance->DumpText(user, checkstr + " opertype " + irc::Spacify(targuser->oper.c_str()));
 104                         }
 105
 106                         if (IS_LOCAL(targuser))
 107                         {
 108                                 ServerInstance->DumpText(user, checkstr + " clientaddr " + irc::sockets::satouser(&targuser->client_sa));
 109                                 ServerInstance->DumpText(user, checkstr + " serveraddr " + irc::sockets::satouser(&targuser->server_sa));
 110
 111                                 std::string classname = targuser->GetClass()->name;
 112                                 if (!classname.empty())
 113                                         ServerInstance->DumpText(user, checkstr + " connectclass " + classname);
 114                         }
 115                         else
 116                                 ServerInstance->DumpText(user, checkstr + " onip " + targuser->GetIPString());
 117
 118                         for (UCListIter i = targuser->chans.begin(); i != targuser->chans.end(); i++)
 119                         {
 120                                 Channel* c = *i;
 121                                 chliststr.append(c->GetPrefixChar(targuser)).append(c->name).append(" ");
 122                         }
 123
 124                         std::stringstream dump(chliststr);
 125
 126                         ServerInstance->DumpText(user,checkstr + " onchans", dump);
 127
 128                         dumpExt(user, checkstr, targuser);
 129                 }
 130                 else if (targchan)
 131                 {
 132                         /* /check on a channel */
 133                         ServerInstance->DumpText(user, checkstr + " timestamp " + timestring(targchan->age));
 134
 135                         if (targchan->topic[0] != 0)
 136                         {
 137                                 /* there is a topic, assume topic related information exists */
 138                                 ServerInstance->DumpText(user, checkstr + " topic " + targchan->topic);
 139                                 ServerInstance->DumpText(user, checkstr + " topic_setby " + targchan->setby);
 140                                 ServerInstance->DumpText(user, checkstr + " topic_setat " + timestring(targchan->topicset));
 141                         }
 142
 143                         ServerInstance->DumpText(user, checkstr + " modes " + targchan->ChanModes(true));
 144                         ServerInstance->DumpText(user, checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
 145
 146                         /* now the ugly bit, spool current members of a channel. :| */
 147
 148                         const UserMembList *ulist= targchan->GetUsers();
 149
 150                         /* note that unlike /names, we do NOT check +i vs in the channel */
 151                         for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
 152                         {
 153                                 char tmpbuf[MAXBUF];
 154                                 /*
 155                                  * Unlike Asuka, I define a clone as coming from the same host. --w00t
 156                                  */
 157                                 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());
 158                                 ServerInstance->DumpText(user, checkstr + " member " + tmpbuf);
 159                         }
 160
 161                         dumpExt(user, checkstr, targchan);
 162                 }
 163                 else
 164                 {
 165                         /*  /check on an IP address, or something that doesn't exist */
 166                         long x = 0;
 167
 168                         /* hostname or other */
 169                         for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); a++)
 170                         {
 171                                 if (InspIRCd::Match(a->second->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
 172                                 {
 173                                         /* host or vhost matches mask */
 174                                         ServerInstance->DumpText(user, checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 175                                 }
 176                                 /* IP address */
 177                                 else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
 178                                 {
 179                                         /* same IP. */
 180                                         ServerInstance->DumpText(user, checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
 181                                 }
 182                         }
 183
 184                         ServerInstance->DumpText(user, checkstr + " matches " + ConvToStr(x));
 185                 }
 186
 187                 ServerInstance->DumpText(user, checkstr + " END " + parameters[0]);
 188
 189                 return CMD_SUCCESS;
 190         }
 191
 192         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
 193         {
 194                 if (parameters.size() > 1)
 195                         return ROUTE_OPT_UCAST(parameters[1]);
 196                 return ROUTE_LOCALONLY;
 197         }
 198 };
 199
 200
 201 class ModuleCheck : public Module
 202 {
 203  private:
 204         CommandCheck mycommand;
 205  public:
 206         ModuleCheck(InspIRCd* Me) : Module(Me), mycommand(this)
 207         {
 208                 ServerInstance->AddCommand(&mycommand);
 209         }
 210
 211         ~ModuleCheck()
 212         {
 213         }
 214
 215         Version GetVersion()
 216         {
 217                 return Version("CHECK command, view user/channel details", VF_VENDOR|VF_OPTCOMMON);
 218         }
 219 };
 220
 221 MODULE_INIT(ModuleCheck)