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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006-2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
*
* 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"
/** 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 void dumpListMode(User* user, const std::string& checkstr, const ListModeBase::ModeList* list)
{
if (!list)
return;
std::string buf = checkstr + " modelist";
const std::string::size_type headlen = buf.length();
const size_t maxline = ServerInstance->Config->Limits.MaxLine;
for (ListModeBase::ModeList::const_iterator i = list->begin(); i != list->end(); ++i)
{
if (buf.size() + i->mask.size() + 1 > maxline)
{
user->SendText(buf);
buf.erase(headlen);
}
buf.append(" ").append(i->mask);
}
if (buf.length() > headlen)
user->SendText(buf);
}
public:
CommandCheck(Module* parent)
: Command(parent,"CHECK", 1)
, snomaskmode(parent, "snomask")
{
flags_needed = 'o'; syntax = "<nickname>|<ip>|<hostmask>|<channel> <server>";
}
std::string timestring(time_t time)
{
char timebuf[60];
struct tm *mytime = gmtime(&time);
strftime(timebuf, 59, "%Y-%m-%d %H:%M:%S UTC (%s)", mytime);
return std::string(timebuf);
}
void dumpExt(User* user, const std::string& checkstr, Extensible* ext)
{
std::stringstream dumpkeys;
for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++)
{
ExtensionItem* item = i->first;
std::string value = item->serialize(FORMAT_USER, ext, i->second);
if (!value.empty())
user->SendText(checkstr + " meta:" + item->name + " " + value);
else if (!item->name.empty())
dumpkeys << " " << item->name;
}
if (!dumpkeys.str().empty())
user->SendText(checkstr + " metadata", dumpkeys);
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
if (parameters.size() > 1 && parameters[1] != ServerInstance->Config->ServerName.c_str())
return CMD_SUCCESS;
User *targuser;
Channel *targchan;
std::string checkstr;
std::string chliststr;
checkstr = ":" + ServerInstance->Config->ServerName + " 304 " + user->nick + " :CHECK";
targuser = ServerInstance->FindNick(parameters[0]);
targchan = ServerInstance->FindChan(parameters[0]);
/*
* Syntax of a /check reply:
* :server.name 304 target :CHECK START <target>
* :server.name 304 target :CHECK <field> <value>
* :server.name 304 target :CHECK END
*/
user->SendText(checkstr + " START " + parameters[0]);
if (targuser)
{
LocalUser* loctarg = IS_LOCAL(targuser);
/* /check on a user */
user->SendText(checkstr + " nuh " + targuser->GetFullHost());
user->SendText(checkstr + " realnuh " + targuser->GetFullRealHost());
user->SendText(checkstr + " realname " + targuser->fullname);
user->SendText(checkstr + " modes +" + targuser->FormatModes());
user->SendText(checkstr + " snomasks " + GetSnomasks(targuser));
user->SendText(checkstr + " server " + targuser->server->GetName());
user->SendText(checkstr + " uid " + targuser->uuid);
user->SendText(checkstr + " signon " + timestring(targuser->signon));
user->SendText(checkstr + " nickts " + timestring(targuser->age));
if (loctarg)
user->SendText(checkstr + " lastmsg " + timestring(loctarg->idle_lastmsg));
if (targuser->IsAway())
{
/* user is away */
user->SendText(checkstr + " awaytime " + timestring(targuser->awaytime));
user->SendText(checkstr + " awaymsg " + targuser->awaymsg);
}
if (targuser->IsOper())
{
OperInfo* oper = targuser->oper;
/* user is an oper of type ____ */
user->SendText(checkstr + " opertype " + oper->name);
if (loctarg)
{
std::string umodes;
std::string cmodes;
for(char c='A'; c < 'z'; c++)
{
ModeHandler* mh = ServerInstance->Modes->FindMode(c, MODETYPE_USER);
if (mh && mh->NeedsOper() && loctarg->HasModePermission(c, MODETYPE_USER))
umodes.push_back(c);
mh = ServerInstance->Modes->FindMode(c, MODETYPE_CHANNEL);
if (mh && mh->NeedsOper() && loctarg->HasModePermission(c, MODETYPE_CHANNEL))
cmodes.push_back(c);
}
user->SendText(checkstr + " modeperms user=" + umodes + " channel=" + cmodes);
std::string opcmds;
for(std::set<std::string>::iterator i = oper->AllowedOperCommands.begin(); i != oper->AllowedOperCommands.end(); i++)
{
opcmds.push_back(' ');
opcmds.append(*i);
}
std::stringstream opcmddump(opcmds);
user->SendText(checkstr + " commandperms", opcmddump);
std::string privs;
for(std::set<std::string>::iterator i = oper->AllowedPrivs.begin(); i != oper->AllowedPrivs.end(); i++)
{
privs.push_back(' ');
privs.append(*i);
}
std::stringstream privdump(privs);
user->SendText(checkstr + " permissions", privdump);
}
}
if (loctarg)
{
user->SendText(checkstr + " clientaddr " + loctarg->client_sa.str());
user->SendText(checkstr + " serveraddr " + loctarg->server_sa.str());
std::string classname = loctarg->GetClass()->name;
if (!classname.empty())
user->SendText(checkstr + " connectclass " + classname);
}
else
user->SendText(checkstr + " onip " + targuser->GetIPString());
for (UCListIter i = targuser->chans.begin(); i != targuser->chans.end(); i++)
{
Membership* memb = *i;
Channel* c = memb->chan;
chliststr.push_back(memb->GetPrefixChar());
chliststr.append(c->name).push_back(' ');
}
std::stringstream dump(chliststr);
user->SendText(checkstr + " onchans", dump);
dumpExt(user, checkstr, targuser);
}
else if (targchan)
{
/* /check on a channel */
user->SendText(checkstr + " timestamp " + timestring(targchan->age));
if (targchan->topic[0] != 0)
{
/* there is a topic, assume topic related information exists */
user->SendText(checkstr + " topic " + targchan->topic);
user->SendText(checkstr + " topic_setby " + targchan->setby);
user->SendText(checkstr + " topic_setat " + timestring(targchan->topicset));
}
user->SendText(checkstr + " modes " + targchan->ChanModes(true));
user->SendText(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));
/* now the ugly bit, spool current members of a channel. :| */
const UserMembList *ulist= targchan->GetUsers();
/* note that unlike /names, we do NOT check +i vs in the channel */
for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
{
/*
* Unlike Asuka, I define a clone as coming from the same host. --w00t
*/
user->SendText("%s member %-3lu %s%s (%s@%s) %s ",
checkstr.c_str(), ServerInstance->Users->GlobalCloneCount(i->first),
i->second->GetAllPrefixChars(), i->first->nick.c_str(),
i->first->ident.c_str(), i->first->dhost.c_str(), i->first->fullname.c_str());
}
const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes();
for (ModeParser::ListModeList::const_iterator i = listmodes.begin(); i != listmodes.end(); ++i)
dumpListMode(user, checkstr, (*i)->GetList(targchan));
dumpExt(user, checkstr, 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->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
{
/* host or vhost matches mask */
user->SendText(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->fullname);
}
/* IP address */
else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
{
/* same IP. */
user->SendText(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->fullname);
}
}
user->SendText(checkstr + " matches " + ConvToStr(x));
}
user->SendText(checkstr + " END " + parameters[0]);
return CMD_SUCCESS;
}
RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
{
if (parameters.size() > 1)
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("CHECK command, view user, channel, IP address or hostname information", VF_VENDOR|VF_OPTCOMMON);
}
};
MODULE_INIT(ModuleCheck)
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