C++ ModeHandler::NeedsOper方法代码示例

void User::UnOper()
{
	if (!this->IsOper())
		return;

	/*
	 * unset their oper type (what IS_OPER checks).
	 * note, order is important - this must come before modes as -o attempts
	 * to call UnOper. -- w00t
	 */
	oper = NULL;


	/* Remove all oper only modes from the user when the deoper - Bug #466*/
	Modes::ChangeList changelist;
	const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER);
	for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ++i)
	{
		ModeHandler* mh = i->second;
		if (mh->NeedsOper())
			changelist.push_remove(mh);
	}

	ServerInstance->Modes->Process(this, NULL, this, changelist);

	// Remove the user from the oper list
	stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);

	ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
	this->SetMode(opermh, false);
}

void User::UnOper()
{
	if (!IS_OPER(this))
		return;

	/*
	 * unset their oper type (what IS_OPER checks).
	 * note, order is important - this must come before modes as -o attempts
	 * to call UnOper. -- w00t
	 */
	oper = NULL;


	/* Remove all oper only modes from the user when the deoper - Bug #466*/
	std::string moderemove("-");

	for (unsigned char letter = 'A'; letter <= 'z'; letter++)
	{
		ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
		if (mh && mh->NeedsOper())
			moderemove += letter;
	}


	std::vector<std::string> parameters;
	parameters.push_back(this->nick);
	parameters.push_back(moderemove);

	ServerInstance->Parser->CallHandler("MODE", parameters, this);

	/* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
	ServerInstance->Users->all_opers.remove(this);

	this->modes[UM_OPERATOR] = 0;
}

void User::UnOper()
{
	if (!this->IsOper())
		return;

	/*
	 * unset their oper type (what IS_OPER checks).
	 * note, order is important - this must come before modes as -o attempts
	 * to call UnOper. -- w00t
	 */
	oper = NULL;


	/* Remove all oper only modes from the user when the deoper - Bug #466*/
	std::string moderemove("-");

	for (unsigned char letter = 'A'; letter <= 'z'; letter++)
	{
		ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
		if (mh && mh->NeedsOper())
			moderemove += letter;
	}


	std::vector<std::string> parameters;
	parameters.push_back(this->nick);
	parameters.push_back(moderemove);

	ServerInstance->Modes->Process(parameters, this);

	// Remove the user from the oper list
	stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);

	ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
	this->SetMode(opermh, false);
}

	CmdResult Handle (const std::vector<std::string> &parameters, 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++)
			{
				Channel* c = (*i)->chan;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		case 'T':
		{
			results.push_back("249 "+user->nick+" :accepts "+ConvToStr(ServerInstance->stats->statsAccept)+" refused "+ConvToStr(ServerInstance->stats->statsRefused));
			results.push_back("249 "+user->nick+" :unknown commands "+ConvToStr(ServerInstance->stats->statsUnknown));
			results.push_back("249 "+user->nick+" :nick collisions "+ConvToStr(ServerInstance->stats->statsCollisions));
			results.push_back("249 "+user->nick+" :dns requests "+ConvToStr(ServerInstance->stats->statsDnsGood+ServerInstance->stats->statsDnsBad)+" succeeded "+ConvToStr(ServerInstance->stats->statsDnsGood)+" failed "+ConvToStr(ServerInstance->stats->statsDnsBad));
			results.push_back("249 "+user->nick+" :connection count "+ConvToStr(ServerInstance->stats->statsConnects));
			results.push_back(InspIRCd::Format("249 %s :bytes sent %5.2fK recv %5.2fK", user->nick.c_str(),
				ServerInstance->stats->statsSent / 1024.0, ServerInstance->stats->statsRecv / 1024.0));
		}
		break;

		/* stats o */
		case 'o':
		{
			ConfigTagList tags = ServerInstance->Config->ConfTags("oper");
			for(ConfigIter i = tags.first; i != tags.second; ++i)
			{
				ConfigTag* tag = i->second;
				results.push_back("243 "+user->nick+" O "+tag->getString("host")+" * "+
					tag->getString("name") + " " + tag->getString("type")+" 0");
			}
		}
		break;
		case 'O':
		{
			for (OperIndex::const_iterator i = ServerInstance->Config->OperTypes.begin(); i != ServerInstance->Config->OperTypes.end(); ++i)
			{
				OperInfo* tag = i->second;
				tag->init();
				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() && tag->AllowedUserModes[c - 'A'])
						umodes.push_back(c);
					mh = ServerInstance->Modes->FindMode(c, MODETYPE_CHANNEL);
					if (mh && mh->NeedsOper() && tag->AllowedChanModes[c - 'A'])
						cmodes.push_back(c);
				}
				results.push_back("243 "+user->nick+" O "+tag->name.c_str() + " " + umodes + " " + cmodes);
			}
		}
		break;

		/* stats l (show user I/O stats) */
		case 'l':
			results.push_back("211 "+user->nick+" :nick[[email protected]] sendq cmds_out bytes_out cmds_in bytes_in time_open");
			for (LocalUserList::iterator n = ServerInstance->Users->local_users.begin(); n != ServerInstance->Users->local_users.end(); n++)
			{
				LocalUser* i = *n;
				results.push_back("211 "+user->nick+" "+i->nick+"["+i->ident+"@"+i->dhost+"] "+ConvToStr(i->eh.getSendQSize())+" "+ConvToStr(i->cmds_out)+" "+ConvToStr(i->bytes_out)+" "+ConvToStr(i->cmds_in)+" "+ConvToStr(i->bytes_in)+" "+ConvToStr(ServerInstance->Time() - i->age));
			}
		break;

		/* stats L (show user I/O stats with IP addresses) */
		case 'L':
			results.push_back("211 "+user->nick+" :nick[[email protected]] sendq cmds_out bytes_out cmds_in bytes_in time_open");
			for (LocalUserList::iterator n = ServerInstance->Users->local_users.begin(); n != ServerInstance->Users->local_users.end(); n++)
			{
				LocalUser* i = *n;
				results.push_back("211 "+user->nick+" "+i->nick+"["+i->ident+"@"+i->GetIPString()+"] "+ConvToStr(i->eh.getSendQSize())+" "+ConvToStr(i->cmds_out)+" "+ConvToStr(i->bytes_out)+" "+ConvToStr(i->cmds_in)+" "+ConvToStr(i->bytes_in)+" "+ConvToStr(ServerInstance->Time() - i->age));
			}
		break;

		/* stats u (show server uptime) */
		case 'u':
		{
			time_t current_time = 0;
			current_time = ServerInstance->Time();
			time_t server_uptime = current_time - ServerInstance->startup_time;
			struct tm* stime;
			stime = gmtime(&server_uptime);
			/* i dont know who the hell would have an ircd running for over a year nonstop, but
			 * Craig suggested this, and it seemed a good idea so in it went */
			if (stime->tm_year > 70)
			{
				results.push_back(InspIRCd::Format("242 %s :Server up %d years, %d days, %.2d:%.2d:%.2d",
					user->nick.c_str(), stime->tm_year - 70, stime->tm_yday, stime->tm_hour,
					stime->tm_min, stime->tm_sec));
			}
			else
			{
				results.push_back(InspIRCd::Format("242 %s :Server up %d days, %.2d:%.2d:%.2d",
					user->nick.c_str(), stime->tm_yday, stime->tm_hour, stime->tm_min,
					stime->tm_sec));
			}
		}
		break;

		default:
		break;
	}

	results.push_back("219 "+user->nick+" "+statschar+" :End of /STATS report");
	ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%[email protected]%s)",
		(IS_LOCAL(user) ? "Stats" : "Remote stats"), statschar, user->nick.c_str(), user->ident.c_str(), user->host.c_str());
	return;
}

ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
		std::string &parameter, bool SkipACL)
{
	ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;

	ModeHandler *mh = FindMode(modechar, type);
	int pcnt = mh->GetNumParams(adding);

	// crop mode parameter size to 250 characters
	if (parameter.length() > 250 && adding)
		parameter = parameter.substr(0, 250);

	ModResult MOD_RESULT;
	FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));

	if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
		return MODEACTION_DENY;

	if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
	{
		MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);

		if (MOD_RESULT == MOD_RES_DENY)
			return MODEACTION_DENY;
		if (MOD_RESULT == MOD_RES_PASSTHRU)
		{
			unsigned int neededrank = mh->GetLevelRequired();
			/* Compare our rank on the channel against the rank of the required prefix,
			 * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
			 * in NAMES(X) are not in rank order, we know the most powerful mode is listed
			 * first, so we don't need to iterate, we just look up the first instead.
			 */
			unsigned int ourrank = chan->GetPrefixValue(user);
			if (ourrank < neededrank)
			{
				PrefixMode* neededmh = NULL;
				for(char c='A'; c <= 'z'; c++)
				{
					PrefixMode* privmh = FindPrefixMode(c);
					if (privmh && privmh->GetPrefixRank() >= neededrank)
					{
						// this mode is sufficient to allow this action
						if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
							neededmh = privmh;
					}
				}
				if (neededmh)
					user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c",
						user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
				else
					user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c",
						user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar);
				return MODEACTION_DENY;
			}
		}
	}

	// Ask mode watchers whether this mode change is OK
	std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
	for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
	{
		ModeWatcher* mw = i->second;
		if (mw->GetModeType() == type)
		{
			if (!mw->BeforeMode(user, targetuser, chan, parameter, adding))
				return MODEACTION_DENY;

			// A module whacked the parameter completely, and there was one. Abort.
			if (pcnt && parameter.empty())
				return MODEACTION_DENY;
		}
	}

	if (IS_LOCAL(user) && !user->IsOper())
	{
		char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
		if (disabled[modechar - 'A'])
		{
			user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
				user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
			return MODEACTION_DENY;
		}
	}

	if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type))
	{
		/* It's an oper only mode, and they don't have access to it. */
		if (user->IsOper())
		{
			user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
					user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
		}
		else
		{
			user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
					user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
		}
		return MODEACTION_DENY;
	}

//.........这里部分代码省略.........