-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "wildcard.h"\r\r/* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */\r\r/** Handle /CHECK\r */\rclass cmd_check : public command_t\r{\r public:\r cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1)\r {\r this->source = "m_check.so";\r syntax = "<nickname>|<ip>|<hostmask>|<channel>";\r }\r\r CmdResult Handle (const char** parameters, int pcnt, userrec *user)\r {\r userrec *targuser;\r chanrec *targchan;\r std::string checkstr;\r std::string chliststr;\r\r char timebuf[60];\r struct tm *mytime;\r\r\r checkstr = "304 " + std::string(user->nick) + " :CHECK";\r\r targuser = ServerInstance->FindNick(parameters[0]);\r targchan = ServerInstance->FindChan(parameters[0]);\r\r /*\r * Syntax of a /check reply:\r * :server.name 304 target :CHECK START <target>\r * :server.name 304 target :CHECK <field> <value>\r * :server.name 304 target :CHECK END\r */\r\r user->WriteServ(checkstr + " START " + parameters[0]);\r\r if (targuser)\r {\r /* /check on a user */\r user->WriteServ(checkstr + " nuh " + targuser->GetFullHost());\r user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost());\r user->WriteServ(checkstr + " realname " + targuser->fullname);\r user->WriteServ(checkstr + " modes +" + targuser->FormatModes());\r user->WriteServ(checkstr + " snomasks +" + targuser->FormatNoticeMasks());\r user->WriteServ(checkstr + " server " + targuser->server);\r\r if (IS_AWAY(targuser))\r {\r /* user is away */\r user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg);\r }\r\r if (IS_OPER(targuser))\r {\r /* user is an oper of type ____ */\r user->WriteServ(checkstr + " opertype " + irc::Spacify(targuser->oper));\r }\r\r if (IS_LOCAL(targuser))\r {\r /* port information is only held for a local user! */\r user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort()));\r }\r\r chliststr = targuser->ChannelList(targuser);\r std::stringstream dump(chliststr);\r\r ServerInstance->DumpText(user,checkstr + " onchans ", dump);\r }\r else if (targchan)\r {\r /* /check on a channel */\r time_t creation_time = targchan->created;\r time_t topic_time = targchan->topicset;\r\r mytime = gmtime(&creation_time);\r strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);\r user->WriteServ(checkstr + " created " + timebuf);\r\r if (targchan->topic[0] != 0)\r {\r /* there is a topic, assume topic related information exists */\r user->WriteServ(checkstr + " topic " + targchan->topic);\r user->WriteServ(checkstr + " topic_setby " + targchan->setby);\r mytime = gmtime(&topic_time);\r strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime);\r user->WriteServ(checkstr + " topic_setat " + timebuf);\r }\r\r user->WriteServ(checkstr + " modes " + targchan->ChanModes(true));\r user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));\r \r /* now the ugly bit, spool current members of a channel. :| */\r\r CUList *ulist= targchan->GetUsers();\r\r /* note that unlike /names, we do NOT check +i vs in the channel */\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r {\r char tmpbuf[MAXBUF];\r /*\r * Unlike Asuka, I define a clone as coming from the same host. --w00t\r */\r snprintf(tmpbuf, MAXBUF, "%lu %s%s (%s@%s) %s ", i->first->GlobalCloneCount(), targchan->GetAllPrefixChars(i->first), i->first->nick, i->first->ident, i->first->dhost, i->first->fullname);\r user->WriteServ(checkstr + " member " + tmpbuf);\r }\r }\r else\r {\r /* /check on an IP address, or something that doesn't exist */\r long x = 0;\r\r /* hostname or other */\r for (user_hash::const_iterator a = ServerInstance->clientlist->begin(); a != ServerInstance->clientlist->end(); a++)\r {\r if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0]))\r {\r /* host or vhost matches mask */\r user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());\r }\r /* IP address */\r else if (match(a->second->GetIPString(), parameters[0], true))\r {\r /* same IP. */\r user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());\r }\r }\r\r user->WriteServ(checkstr + " matches " + ConvToStr(x));\r }\r\r user->WriteServ(checkstr + " END " + std::string(parameters[0]));\r\r return CMD_LOCALONLY;\r }\r};\r\r\rclass ModuleCheck : public Module\r{\r private:\r cmd_check *mycommand;\r public:\r ModuleCheck(InspIRCd* Me) : Module(Me)\r {\r \r mycommand = new cmd_check(ServerInstance);\r ServerInstance->AddCommand(mycommand);\r }\r \r virtual ~ModuleCheck()\r {\r }\r \r virtual Version GetVersion()\r {\r return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);\r }\r\r void Implements(char* List)\r {\r /* we don't hook anything, nothing required */\r }\r \r};\r\rMODULE_INIT(ModuleCheck)\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2013-2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2013, 2017-2021 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2010 Craig Edwards <brain@inspircd.org>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+#include "listmode.h"
+
+enum
+{
+ RPL_CHECK = 802
+};
+
+class CheckContext
+{
+ private:
+ User* const user;
+ const std::string& target;
+
+ std::string FormatTime(time_t ts)
+ {
+ std::string timestr(InspIRCd::TimeString(ts, "%Y-%m-%d %H:%M:%S UTC (", true));
+ timestr.append(ConvToStr(ts));
+ timestr.push_back(')');
+ return timestr;
+ }
+
+ public:
+ CheckContext(User* u, const std::string& targetstr)
+ : user(u)
+ , target(targetstr)
+ {
+ Write("START", target);
+ }
+
+ ~CheckContext()
+ {
+ Write("END", target);
+ }
+
+ void Write(const std::string& type, const std::string& text)
+ {
+ user->WriteRemoteNumeric(RPL_CHECK, type, text);
+ }
+
+ void Write(const std::string& type, time_t ts)
+ {
+ user->WriteRemoteNumeric(RPL_CHECK, type, FormatTime(ts));
+ }
+
+ User* GetUser() const { return user; }
+
+ void DumpListMode(ListModeBase* mode, Channel* chan)
+ {
+ const ListModeBase::ModeList* list = mode->GetList(chan);
+ if (!list)
+ return;
+
+ for (ListModeBase::ModeList::const_iterator i = list->begin(); i != list->end(); ++i)
+ {
+ CheckContext::List listmode(*this, "listmode");
+ listmode.Add(ConvToStr(mode->GetModeChar()));
+ listmode.Add(i->mask);
+ listmode.Add(i->setter);
+ listmode.Add(FormatTime(i->time));
+ listmode.Flush();
+ }
+ }
+
+ void DumpExt(Extensible* ext)
+ {
+ CheckContext::List extlist(*this, "metadata");
+ for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); ++i)
+ {
+ ExtensionItem* item = i->first;
+ std::string value = item->ToHuman(ext, i->second);
+ if (!value.empty())
+ Write("meta:" + item->name, value);
+ else if (!item->name.empty())
+ extlist.Add(item->name);
+ }
+
+ extlist.Flush();
+ }
+
+ class List : public Numeric::GenericBuilder<' ', false, Numeric::WriteRemoteNumericSink>
+ {
+ public:
+ List(CheckContext& context, const char* checktype)
+ : Numeric::GenericBuilder<' ', false, Numeric::WriteRemoteNumericSink>(Numeric::WriteRemoteNumericSink(context.GetUser()), RPL_CHECK, false, (IS_LOCAL(context.GetUser()) ? context.GetUser()->nick.length() : ServerInstance->Config->Limits.NickMax) + strlen(checktype) + 1)
+ {
+ GetNumeric().push(checktype).push(std::string());
+ }
+ };
+};
+
+/** Handle /CHECK
+ */
+class CommandCheck : public Command
+{
+ UserModeReference snomaskmode;
+
+ std::string GetSnomasks(User* user)
+ {
+ std::string ret;
+ if (snomaskmode)
+ ret = snomaskmode->GetUserParameter(user);
+
+ if (ret.empty())
+ ret = "+";
+ return ret;
+ }
+
+ static std::string GetAllowedOperOnlyModes(LocalUser* user, ModeType modetype)
+ {
+ std::string ret;
+ const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype);
+ for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); ++i)
+ {
+ const ModeHandler* const mh = i->second;
+ if ((mh->NeedsOper()) && (user->HasModePermission(mh)))
+ ret.push_back(mh->GetModeChar());
+ }
+ return ret;
+ }
+
+ static std::string GetAllowedOperOnlySnomasks(LocalUser* user)
+ {
+ std::string ret;
+ for (unsigned char sno = 'A'; sno <= 'z'; ++sno)
+ if (ServerInstance->SNO->IsSnomaskUsable(sno) && user->HasSnomaskPermission(sno))
+ ret.push_back(sno);
+ return ret;
+ }
+
+ public:
+ CommandCheck(Module* parent)
+ : Command(parent,"CHECK", 1)
+ , snomaskmode(parent, "snomask")
+ {
+ flags_needed = 'o';
+ syntax = "<nick>|<ipmask>|<hostmask>|<channel> [<servername>]";
+ }
+
+ CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ if (parameters.size() > 1 && !irc::equals(parameters[1], ServerInstance->Config->ServerName))
+ return CMD_SUCCESS;
+
+ User *targuser;
+ Channel *targchan;
+ std::string chliststr;
+
+ targuser = ServerInstance->FindNick(parameters[0]);
+ targchan = ServerInstance->FindChan(parameters[0]);
+
+ /*
+ * Syntax of a /check reply:
+ * :server.name 802 target START <target>
+ * :server.name 802 target <field> :<value>
+ * :server.name 802 target END <target>
+ */
+
+ // Constructor sends START, destructor sends END
+ CheckContext context(user, parameters[0]);
+
+ if (targuser)
+ {
+ LocalUser* loctarg = IS_LOCAL(targuser);
+ /* /check on a user */
+ context.Write("nuh", targuser->GetFullHost());
+ context.Write("realnuh", targuser->GetFullRealHost());
+ context.Write("realname", targuser->GetRealName());
+ context.Write("modes", targuser->GetModeLetters());
+ context.Write("snomasks", GetSnomasks(targuser));
+ context.Write("server", targuser->server->GetName());
+ context.Write("uid", targuser->uuid);
+ context.Write("signon", targuser->signon);
+ context.Write("nickts", targuser->age);
+ if (loctarg)
+ context.Write("lastmsg", loctarg->idle_lastmsg);
+
+ if (targuser->IsAway())
+ {
+ /* user is away */
+ context.Write("awaytime", targuser->awaytime);
+ context.Write("awaymsg", targuser->awaymsg);
+ }
+
+ if (targuser->IsOper())
+ {
+ OperInfo* oper = targuser->oper;
+ /* user is an oper of type ____ */
+ context.Write("opertype", oper->name);
+ if (loctarg)
+ {
+ context.Write("chanmodeperms", GetAllowedOperOnlyModes(loctarg, MODETYPE_CHANNEL));
+ context.Write("usermodeperms", GetAllowedOperOnlyModes(loctarg, MODETYPE_USER));
+ context.Write("snomaskperms", GetAllowedOperOnlySnomasks(loctarg));
+ context.Write("commandperms", oper->AllowedOperCommands.ToString());
+ context.Write("permissions", oper->AllowedPrivs.ToString());
+ }
+ }
+
+ if (loctarg)
+ {
+ context.Write("clientaddr", loctarg->client_sa.str());
+ context.Write("serveraddr", loctarg->server_sa.str());
+
+ std::string classname = loctarg->GetClass()->name;
+ if (!classname.empty())
+ context.Write("connectclass", classname);
+
+ context.Write("exempt", loctarg->exempt ? "yes" : "no");
+ }
+ else
+ context.Write("onip", targuser->GetIPString());
+
+ CheckContext::List chanlist(context, "onchans");
+ for (User::ChanList::iterator i = targuser->chans.begin(); i != targuser->chans.end(); i++)
+ {
+ Membership* memb = *i;
+ Channel* c = memb->chan;
+ char prefix = memb->GetPrefixChar();
+ if (prefix)
+ chliststr.push_back(prefix);
+ chliststr.append(c->name);
+ chanlist.Add(chliststr);
+ chliststr.clear();
+ }
+
+ chanlist.Flush();
+
+ context.DumpExt(targuser);
+ }
+ else if (targchan)
+ {
+ /* /check on a channel */
+ context.Write("createdat", targchan->age);
+
+ if (!targchan->topic.empty())
+ {
+ /* there is a topic, assume topic related information exists */
+ context.Write("topic", targchan->topic);
+ context.Write("topic_setby", targchan->setby);
+ context.Write("topic_setat", targchan->topicset);
+ }
+
+ context.Write("modes", targchan->ChanModes(true));
+ context.Write("membercount", ConvToStr(targchan->GetUserCounter()));
+
+ /* now the ugly bit, spool current members of a channel. :| */
+
+ const Channel::MemberMap& ulist = targchan->GetUsers();
+
+ /* note that unlike /names, we do NOT check +i vs in the channel */
+ for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); ++i)
+ {
+ /*
+ * Unlike Asuka, I define a clone as coming from the same host. --w00t
+ */
+ const UserManager::CloneCounts& clonecount = ServerInstance->Users->GetCloneCounts(i->first);
+ context.Write("member", InspIRCd::Format("%u %s%s (%s)", clonecount.global,
+ i->second->GetAllPrefixChars().c_str(), i->first->GetFullHost().c_str(),
+ i->first->GetRealName().c_str()));
+ }
+
+ const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes();
+ for (ModeParser::ListModeList::const_iterator i = listmodes.begin(); i != listmodes.end(); ++i)
+ context.DumpListMode(*i, targchan);
+
+ context.DumpExt(targchan);
+ }
+ else
+ {
+ /* /check on an IP address, or something that doesn't exist */
+ long x = 0;
+
+ /* hostname or other */
+ const user_hash& users = ServerInstance->Users->GetUsers();
+ for (user_hash::const_iterator a = users.begin(); a != users.end(); ++a)
+ {
+ if (InspIRCd::Match(a->second->GetRealHost(), parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->GetDisplayedHost(), parameters[0], ascii_case_insensitive_map))
+ {
+ /* host or vhost matches mask */
+ context.Write("match", ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->GetRealName());
+ }
+ /* IP address */
+ else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
+ {
+ /* same IP. */
+ context.Write("match", ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->GetRealName());
+ }
+ }
+
+ context.Write("matches", ConvToStr(x));
+ }
+
+ // END is sent by the CheckContext destructor
+ return CMD_SUCCESS;
+ }
+
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
+ {
+ if ((parameters.size() > 1) && (parameters[1].find('.') != std::string::npos))
+ return ROUTE_OPT_UCAST(parameters[1]);
+ return ROUTE_LOCALONLY;
+ }
+};
+
+class ModuleCheck : public Module
+{
+ CommandCheck mycommand;
+ public:
+ ModuleCheck() : mycommand(this)
+ {
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Adds the /CHECK command which allows server operators to look up details about a channel, user, IP address, or hostname.", VF_VENDOR|VF_OPTCOMMON);
+ }
+};
+
+MODULE_INIT(ModuleCheck)
projects / user / henk / code / inspircd.git / blobdiff