diff options
Diffstat (limited to 'src/coremods')
53 files changed, 7178 insertions, 0 deletions
diff --git a/src/coremods/core_channel/cmd_invite.cpp b/src/coremods/core_channel/cmd_invite.cpp new file mode 100644 index 000000000..7bf669b29 --- /dev/null +++ b/src/coremods/core_channel/cmd_invite.cpp @@ -0,0 +1,166 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * + * 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 "core_channel.h" + +CommandInvite::CommandInvite(Module* parent) + : Command(parent, "INVITE", 0, 0) +{ + Penalty = 4; + syntax = "[<nick> <channel>]"; +} + +/** Handle /INVITE + */ +CmdResult CommandInvite::Handle (const std::vector<std::string>& parameters, User *user) +{ + ModResult MOD_RESULT; + + if (parameters.size() >= 2) + { + User* u; + if (IS_LOCAL(user)) + u = ServerInstance->FindNickOnly(parameters[0]); + else + u = ServerInstance->FindNick(parameters[0]); + + Channel* c = ServerInstance->FindChan(parameters[1]); + time_t timeout = 0; + if (parameters.size() >= 3) + { + if (IS_LOCAL(user)) + timeout = ServerInstance->Time() + InspIRCd::Duration(parameters[2]); + else if (parameters.size() > 3) + timeout = ConvToInt(parameters[3]); + } + + if ((!c) || (!u) || (u->registered != REG_ALL)) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", c ? parameters[0].c_str() : parameters[1].c_str()); + return CMD_FAILURE; + } + + // Verify channel timestamp if the INVITE is coming from a remote server + if (!IS_LOCAL(user)) + { + // Remote INVITE commands must carry a channel timestamp + if (parameters.size() < 3) + return CMD_INVALID; + + // Drop the invite if our channel TS is lower + time_t RemoteTS = ConvToInt(parameters[2]); + if (c->age < RemoteTS) + return CMD_FAILURE; + } + + if ((IS_LOCAL(user)) && (!c->HasUser(user))) + { + user->WriteNumeric(ERR_NOTONCHANNEL, "%s :You're not on that channel!", c->name.c_str()); + return CMD_FAILURE; + } + + if (c->HasUser(u)) + { + user->WriteNumeric(ERR_USERONCHANNEL, "%s %s :is already on channel", u->nick.c_str(), c->name.c_str()); + return CMD_FAILURE; + } + + FIRST_MOD_RESULT(OnUserPreInvite, MOD_RESULT, (user,u,c,timeout)); + + if (MOD_RESULT == MOD_RES_DENY) + { + return CMD_FAILURE; + } + else if (MOD_RESULT == MOD_RES_PASSTHRU) + { + if (IS_LOCAL(user)) + { + unsigned int rank = c->GetPrefixValue(user); + if (rank < HALFOP_VALUE) + { + // Check whether halfop mode is available and phrase error message accordingly + ModeHandler* mh = ServerInstance->Modes->FindMode('h', MODETYPE_CHANNEL); + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must be a channel %soperator", + c->name.c_str(), (mh && mh->name == "halfop" ? "half-" : "")); + return CMD_FAILURE; + } + } + } + + if (IS_LOCAL(u)) + { + Invitation::Create(c, IS_LOCAL(u), timeout); + u->WriteFrom(user,"INVITE %s :%s",u->nick.c_str(),c->name.c_str()); + } + + if (IS_LOCAL(user)) + { + user->WriteNumeric(RPL_INVITING, "%s %s", u->nick.c_str(),c->name.c_str()); + if (u->IsAway()) + user->WriteNumeric(RPL_AWAY, "%s :%s", u->nick.c_str(), u->awaymsg.c_str()); + } + + if (ServerInstance->Config->AnnounceInvites != ServerConfig::INVITE_ANNOUNCE_NONE) + { + char prefix; + switch (ServerInstance->Config->AnnounceInvites) + { + case ServerConfig::INVITE_ANNOUNCE_OPS: + { + prefix = '@'; + break; + } + case ServerConfig::INVITE_ANNOUNCE_DYNAMIC: + { + PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h'); + prefix = (mh && mh->name == "halfop" ? mh->GetPrefix() : '@'); + break; + } + default: + { + prefix = 0; + break; + } + } + c->WriteAllExceptSender(user, true, prefix, "NOTICE %s :*** %s invited %s into the channel", c->name.c_str(), user->nick.c_str(), u->nick.c_str()); + } + FOREACH_MOD(OnUserInvite, (user,u,c,timeout)); + } + else if (IS_LOCAL(user)) + { + // pinched from ircu - invite with not enough parameters shows channels + // youve been invited to but haven't joined yet. + InviteList& il = IS_LOCAL(user)->GetInviteList(); + for (InviteList::const_iterator i = il.begin(); i != il.end(); ++i) + { + user->WriteNumeric(RPL_INVITELIST, ":%s", (*i)->chan->name.c_str()); + } + user->WriteNumeric(RPL_ENDOFINVITELIST, ":End of INVITE list"); + } + return CMD_SUCCESS; +} + +RouteDescriptor CommandInvite::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} diff --git a/src/coremods/core_channel/cmd_join.cpp b/src/coremods/core_channel/cmd_join.cpp new file mode 100644 index 000000000..1945bf52e --- /dev/null +++ b/src/coremods/core_channel/cmd_join.cpp @@ -0,0 +1,60 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_channel.h" + +CommandJoin::CommandJoin(Module* parent) + : SplitCommand(parent, "JOIN", 1, 2) +{ + syntax = "<channel>{,<channel>} {<key>{,<key>}}"; + Penalty = 2; +} + +/** Handle /JOIN + */ +CmdResult CommandJoin::HandleLocal(const std::vector<std::string>& parameters, LocalUser *user) +{ + if (parameters.size() > 1) + { + if (CommandParser::LoopCall(user, this, parameters, 0, 1, false)) + return CMD_SUCCESS; + + if (ServerInstance->IsChannel(parameters[0])) + { + Channel::JoinUser(user, parameters[0], false, parameters[1]); + return CMD_SUCCESS; + } + } + else + { + if (CommandParser::LoopCall(user, this, parameters, 0, -1, false)) + return CMD_SUCCESS; + + if (ServerInstance->IsChannel(parameters[0])) + { + Channel::JoinUser(user, parameters[0]); + return CMD_SUCCESS; + } + } + + user->WriteNumeric(ERR_NOSUCHCHANNEL, "%s :Invalid channel name", parameters[0].c_str()); + return CMD_FAILURE; +} diff --git a/src/coremods/core_channel/cmd_kick.cpp b/src/coremods/core_channel/cmd_kick.cpp new file mode 100644 index 000000000..e2fdd7877 --- /dev/null +++ b/src/coremods/core_channel/cmd_kick.cpp @@ -0,0 +1,128 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_channel.h" + +CommandKick::CommandKick(Module* parent) + : Command(parent, "KICK", 2, 3) +{ + syntax = "<channel> <nick>{,<nick>} [<reason>]"; +} + +/** Handle /KICK + */ +CmdResult CommandKick::Handle (const std::vector<std::string>& parameters, User *user) +{ + Channel* c = ServerInstance->FindChan(parameters[0]); + User* u; + + if (CommandParser::LoopCall(user, this, parameters, 1)) + return CMD_SUCCESS; + + if (IS_LOCAL(user)) + u = ServerInstance->FindNickOnly(parameters[1]); + else + u = ServerInstance->FindNick(parameters[1]); + + if ((!u) || (!c) || (u->registered != REG_ALL)) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", c ? parameters[1].c_str() : parameters[0].c_str()); + return CMD_FAILURE; + } + + Membership* srcmemb = NULL; + if (IS_LOCAL(user)) + { + srcmemb = c->GetUser(user); + if (!srcmemb) + { + user->WriteNumeric(ERR_NOTONCHANNEL, "%s :You're not on that channel!", parameters[0].c_str()); + return CMD_FAILURE; + } + + if (u->server->IsULine()) + { + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You may not kick a u-lined client", c->name.c_str()); + return CMD_FAILURE; + } + } + + const Channel::MemberMap::iterator victimiter = c->userlist.find(u); + if (victimiter == c->userlist.end()) + { + user->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s :They are not on that channel", u->nick.c_str(), c->name.c_str()); + return CMD_FAILURE; + } + Membership* const memb = victimiter->second; + + // KICKs coming from servers can carry a membership id + if ((!IS_LOCAL(user)) && (parameters.size() > 3)) + { + // If the current membership id is not equal to the one in the message then the user rejoined + if (memb->id != Membership::IdFromString(parameters[2])) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Dropped KICK due to membership id mismatch: " + ConvToStr(memb->id) + " != " + parameters[2]); + return CMD_FAILURE; + } + } + + const bool has_reason = (parameters.size() > 2); + const std::string reason((has_reason ? parameters.back() : user->nick), 0, ServerInstance->Config->Limits.MaxKick); + + // Do the following checks only if the KICK is done by a local user; + // each server enforces its own rules. + if (srcmemb) + { + // Modules are allowed to explicitly allow or deny kicks done by local users + ModResult res; + FIRST_MOD_RESULT(OnUserPreKick, res, (user, memb, reason)); + if (res == MOD_RES_DENY) + return CMD_FAILURE; + + if (res == MOD_RES_PASSTHRU) + { + unsigned int them = srcmemb->getRank(); + unsigned int req = HALFOP_VALUE; + for (std::string::size_type i = 0; i < memb->modes.length(); i++) + { + ModeHandler* mh = ServerInstance->Modes->FindMode(memb->modes[i], MODETYPE_CHANNEL); + if (mh && mh->GetLevelRequired() > req) + req = mh->GetLevelRequired(); + } + + if (them < req) + { + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must be a channel %soperator", + this->name.c_str(), req > HALFOP_VALUE ? "" : "half-"); + return CMD_FAILURE; + } + } + } + + c->KickUser(user, victimiter, reason); + + return CMD_SUCCESS; +} + +RouteDescriptor CommandKick::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} diff --git a/src/coremods/core_channel/cmd_names.cpp b/src/coremods/core_channel/cmd_names.cpp new file mode 100644 index 000000000..20faae774 --- /dev/null +++ b/src/coremods/core_channel/cmd_names.cpp @@ -0,0 +1,64 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_channel.h" + +CommandNames::CommandNames(Module* parent) + : Command(parent, "NAMES", 0, 0) + , secretmode(parent, "secret") +{ + syntax = "{<channel>{,<channel>}}"; +} + +/** Handle /NAMES + */ +CmdResult CommandNames::Handle (const std::vector<std::string>& parameters, User *user) +{ + Channel* c; + + if (!parameters.size()) + { + user->WriteNumeric(RPL_ENDOFNAMES, "* :End of /NAMES list."); + return CMD_SUCCESS; + } + + if (CommandParser::LoopCall(user, this, parameters, 0)) + return CMD_SUCCESS; + + c = ServerInstance->FindChan(parameters[0]); + if (c) + { + // Show the NAMES list if one of the following is true: + // - the channel is not secret + // - the user doing the /NAMES is inside the channel + // - the user doing the /NAMES has the channels/auspex privilege + + bool has_user = c->HasUser(user); + if ((!c->IsModeSet(secretmode)) || (has_user) || (user->HasPrivPermission("channels/auspex"))) + { + c->UserList(user, has_user); + return CMD_SUCCESS; + } + } + + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; +} diff --git a/src/coremods/core_channel/cmd_topic.cpp b/src/coremods/core_channel/cmd_topic.cpp new file mode 100644 index 000000000..ea723c024 --- /dev/null +++ b/src/coremods/core_channel/cmd_topic.cpp @@ -0,0 +1,86 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * + * 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 "core_channel.h" + +CommandTopic::CommandTopic(Module* parent) + : SplitCommand(parent, "TOPIC", 1, 2) + , secretmode(parent, "secret") + , topiclockmode(parent, "topiclock") +{ + syntax = "<channel> [<topic>]"; + Penalty = 2; +} + +CmdResult CommandTopic::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user) +{ + Channel* c = ServerInstance->FindChan(parameters[0]); + if (!c) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; + } + + if (parameters.size() == 1) + { + if ((c->IsModeSet(secretmode)) && (!c->HasUser(user))) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", c->name.c_str()); + return CMD_FAILURE; + } + + if (c->topic.length()) + { + user->WriteNumeric(RPL_TOPIC, "%s :%s", c->name.c_str(), c->topic.c_str()); + user->WriteNumeric(RPL_TOPICTIME, "%s %s %lu", c->name.c_str(), c->setby.c_str(), (unsigned long)c->topicset); + } + else + { + user->WriteNumeric(RPL_NOTOPICSET, "%s :No topic is set.", c->name.c_str()); + } + return CMD_SUCCESS; + } + + std::string t = parameters[1]; // needed, in case a module wants to change it + ModResult res; + FIRST_MOD_RESULT(OnPreTopicChange, res, (user,c,t)); + + if (res == MOD_RES_DENY) + return CMD_FAILURE; + if (res != MOD_RES_ALLOW) + { + if (!c->HasUser(user)) + { + user->WriteNumeric(ERR_NOTONCHANNEL, "%s :You're not on that channel!", c->name.c_str()); + return CMD_FAILURE; + } + if (c->IsModeSet(topiclockmode) && !ServerInstance->OnCheckExemption(user, c, "topiclock").check(c->GetPrefixValue(user) >= HALFOP_VALUE)) + { + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You do not have access to change the topic on this channel", c->name.c_str()); + return CMD_FAILURE; + } + } + + c->SetTopic(user, t); + return CMD_SUCCESS; +} diff --git a/src/coremods/core_channel/core_channel.cpp b/src/coremods/core_channel/core_channel.cpp new file mode 100644 index 000000000..47f722e1e --- /dev/null +++ b/src/coremods/core_channel/core_channel.cpp @@ -0,0 +1,43 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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 "core_channel.h" + +class CoreModChannel : public Module +{ + CommandInvite cmdinvite; + CommandJoin cmdjoin; + CommandKick cmdkick; + CommandNames cmdnames; + CommandTopic cmdtopic; + + public: + CoreModChannel() + : cmdinvite(this), cmdjoin(this), cmdkick(this), cmdnames(this), cmdtopic(this) + { + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides the INVITE, JOIN, KICK, NAMES, and TOPIC commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModChannel) diff --git a/src/coremods/core_channel/core_channel.h b/src/coremods/core_channel/core_channel.h new file mode 100644 index 000000000..d3adbc9c9 --- /dev/null +++ b/src/coremods/core_channel/core_channel.h @@ -0,0 +1,114 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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/>. + */ + + +#pragma once + +#include "inspircd.h" + +/** Handle /INVITE. + */ +class CommandInvite : public Command +{ + public: + /** Constructor for invite. + */ + CommandInvite (Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User*user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /JOIN. + */ +class CommandJoin : public SplitCommand +{ + public: + /** Constructor for join. + */ + CommandJoin(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user); +}; + +/** Handle /TOPIC. + */ +class CommandTopic : public SplitCommand +{ + ChanModeReference secretmode; + ChanModeReference topiclockmode; + + public: + /** Constructor for topic. + */ + CommandTopic(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user); +}; + +/** Handle /NAMES. + */ +class CommandNames : public Command +{ + ChanModeReference secretmode; + + public: + /** Constructor for names. + */ + CommandNames(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +/** Handle /KICK. + */ +class CommandKick : public Command +{ + public: + /** Constructor for kick. + */ + CommandKick(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; diff --git a/src/coremods/core_dns.cpp b/src/coremods/core_dns.cpp new file mode 100644 index 000000000..9aca8b338 --- /dev/null +++ b/src/coremods/core_dns.cpp @@ -0,0 +1,840 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2013 Adam <Adam@anope.org> + * Copyright (C) 2003-2013 Anope Team <team@anope.org> + * + * 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 "modules/dns.h" +#include <iostream> +#include <fstream> + +#ifdef _WIN32 +#include <Iphlpapi.h> +#pragma comment(lib, "Iphlpapi.lib") +#endif + +using namespace DNS; + +/** A full packet sent or recieved to/from the nameserver + */ +class Packet : public Query +{ + static bool IsValidName(const std::string& name) + { + return (name.find_first_not_of("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-") == std::string::npos); + } + + void PackName(unsigned char* output, unsigned short output_size, unsigned short& pos, const std::string& name) + { + if (pos + name.length() + 2 > output_size) + throw Exception("Unable to pack name"); + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Packing name " + name); + + irc::sepstream sep(name, '.'); + std::string token; + + while (sep.GetToken(token)) + { + output[pos++] = token.length(); + memcpy(&output[pos], token.data(), token.length()); + pos += token.length(); + } + + output[pos++] = 0; + } + + std::string UnpackName(const unsigned char* input, unsigned short input_size, unsigned short& pos) + { + std::string name; + unsigned short pos_ptr = pos, lowest_ptr = input_size; + bool compressed = false; + + if (pos_ptr >= input_size) + throw Exception("Unable to unpack name - no input"); + + while (input[pos_ptr] > 0) + { + unsigned short offset = input[pos_ptr]; + + if (offset & POINTER) + { + if ((offset & POINTER) != POINTER) + throw Exception("Unable to unpack name - bogus compression header"); + if (pos_ptr + 1 >= input_size) + throw Exception("Unable to unpack name - bogus compression header"); + + /* Place pos at the second byte of the first (farthest) compression pointer */ + if (compressed == false) + { + ++pos; + compressed = true; + } + + pos_ptr = (offset & LABEL) << 8 | input[pos_ptr + 1]; + + /* Pointers can only go back */ + if (pos_ptr >= lowest_ptr) + throw Exception("Unable to unpack name - bogus compression pointer"); + lowest_ptr = pos_ptr; + } + else + { + if (pos_ptr + offset + 1 >= input_size) + throw Exception("Unable to unpack name - offset too large"); + if (!name.empty()) + name += "."; + for (unsigned i = 1; i <= offset; ++i) + name += input[pos_ptr + i]; + + pos_ptr += offset + 1; + if (compressed == false) + /* Move up pos */ + pos = pos_ptr; + } + } + + /* +1 pos either to one byte after the compression pointer or one byte after the ending \0 */ + ++pos; + + if (name.empty()) + throw Exception("Unable to unpack name - no name"); + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Unpack name " + name); + + return name; + } + + Question UnpackQuestion(const unsigned char* input, unsigned short input_size, unsigned short& pos) + { + Question question; + + question.name = this->UnpackName(input, input_size, pos); + + if (pos + 4 > input_size) + throw Exception("Unable to unpack question"); + + question.type = static_cast<QueryType>(input[pos] << 8 | input[pos + 1]); + pos += 2; + + question.qclass = input[pos] << 8 | input[pos + 1]; + pos += 2; + + return question; + } + + ResourceRecord UnpackResourceRecord(const unsigned char* input, unsigned short input_size, unsigned short& pos) + { + ResourceRecord record = static_cast<ResourceRecord>(this->UnpackQuestion(input, input_size, pos)); + + if (pos + 6 > input_size) + throw Exception("Unable to unpack resource record"); + + record.ttl = (input[pos] << 24) | (input[pos + 1] << 16) | (input[pos + 2] << 8) | input[pos + 3]; + pos += 4; + + //record.rdlength = input[pos] << 8 | input[pos + 1]; + pos += 2; + + switch (record.type) + { + case QUERY_A: + { + if (pos + 4 > input_size) + throw Exception("Unable to unpack resource record"); + + irc::sockets::sockaddrs addrs; + memset(&addrs, 0, sizeof(addrs)); + + addrs.in4.sin_family = AF_INET; + addrs.in4.sin_addr.s_addr = input[pos] | (input[pos + 1] << 8) | (input[pos + 2] << 16) | (input[pos + 3] << 24); + pos += 4; + + record.rdata = addrs.addr(); + break; + } + case QUERY_AAAA: + { + if (pos + 16 > input_size) + throw Exception("Unable to unpack resource record"); + + irc::sockets::sockaddrs addrs; + memset(&addrs, 0, sizeof(addrs)); + + addrs.in6.sin6_family = AF_INET6; + for (int j = 0; j < 16; ++j) + addrs.in6.sin6_addr.s6_addr[j] = input[pos + j]; + pos += 16; + + record.rdata = addrs.addr(); + + break; + } + case QUERY_CNAME: + case QUERY_PTR: + { + record.rdata = this->UnpackName(input, input_size, pos); + if (!IsValidName(record.rdata)) + throw Exception("Invalid name"); // XXX: Causes the request to time out + + break; + } + default: + break; + } + + if (!record.name.empty() && !record.rdata.empty()) + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, record.name + " -> " + record.rdata); + + return record; + } + + public: + static const int POINTER = 0xC0; + static const int LABEL = 0x3F; + static const int HEADER_LENGTH = 12; + + /* ID for this packet */ + unsigned short id; + /* Flags on the packet */ + unsigned short flags; + + Packet() : id(0), flags(0) + { + } + + void Fill(const unsigned char* input, const unsigned short len) + { + if (len < HEADER_LENGTH) + throw Exception("Unable to fill packet"); + + unsigned short packet_pos = 0; + + this->id = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + if (this->id >= MAX_REQUEST_ID) + throw Exception("Query ID too large?"); + + this->flags = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + unsigned short qdcount = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + unsigned short ancount = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + unsigned short nscount = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + unsigned short arcount = (input[packet_pos] << 8) | input[packet_pos + 1]; + packet_pos += 2; + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "qdcount: " + ConvToStr(qdcount) + " ancount: " + ConvToStr(ancount) + " nscount: " + ConvToStr(nscount) + " arcount: " + ConvToStr(arcount)); + + for (unsigned i = 0; i < qdcount; ++i) + this->questions.push_back(this->UnpackQuestion(input, len, packet_pos)); + + for (unsigned i = 0; i < ancount; ++i) + this->answers.push_back(this->UnpackResourceRecord(input, len, packet_pos)); + } + + unsigned short Pack(unsigned char* output, unsigned short output_size) + { + if (output_size < HEADER_LENGTH) + throw Exception("Unable to pack packet"); + + unsigned short pos = 0; + + output[pos++] = this->id >> 8; + output[pos++] = this->id & 0xFF; + output[pos++] = this->flags >> 8; + output[pos++] = this->flags & 0xFF; + output[pos++] = this->questions.size() >> 8; + output[pos++] = this->questions.size() & 0xFF; + output[pos++] = this->answers.size() >> 8; + output[pos++] = this->answers.size() & 0xFF; + output[pos++] = 0; + output[pos++] = 0; + output[pos++] = 0; + output[pos++] = 0; + + for (unsigned i = 0; i < this->questions.size(); ++i) + { + Question& q = this->questions[i]; + + if (q.type == QUERY_PTR) + { + irc::sockets::sockaddrs ip; + irc::sockets::aptosa(q.name, 0, ip); + + if (q.name.find(':') != std::string::npos) + { + static const char* const hex = "0123456789abcdef"; + char reverse_ip[128]; + unsigned reverse_ip_count = 0; + for (int j = 15; j >= 0; --j) + { + reverse_ip[reverse_ip_count++] = hex[ip.in6.sin6_addr.s6_addr[j] & 0xF]; + reverse_ip[reverse_ip_count++] = '.'; + reverse_ip[reverse_ip_count++] = hex[ip.in6.sin6_addr.s6_addr[j] >> 4]; + reverse_ip[reverse_ip_count++] = '.'; + } + reverse_ip[reverse_ip_count++] = 0; + + q.name = reverse_ip; + q.name += "ip6.arpa"; + } + else + { + unsigned long forward = ip.in4.sin_addr.s_addr; + ip.in4.sin_addr.s_addr = forward << 24 | (forward & 0xFF00) << 8 | (forward & 0xFF0000) >> 8 | forward >> 24; + + q.name = ip.addr() + ".in-addr.arpa"; + } + } + + this->PackName(output, output_size, pos, q.name); + + if (pos + 4 >= output_size) + throw Exception("Unable to pack packet"); + + short s = htons(q.type); + memcpy(&output[pos], &s, 2); + pos += 2; + + s = htons(q.qclass); + memcpy(&output[pos], &s, 2); + pos += 2; + } + + for (unsigned int i = 0; i < answers.size(); i++) + { + ResourceRecord& rr = answers[i]; + + this->PackName(output, output_size, pos, rr.name); + + if (pos + 8 >= output_size) + throw Exception("Unable to pack packet"); + + short s = htons(rr.type); + memcpy(&output[pos], &s, 2); + pos += 2; + + s = htons(rr.qclass); + memcpy(&output[pos], &s, 2); + pos += 2; + + long l = htonl(rr.ttl); + memcpy(&output[pos], &l, 4); + pos += 4; + + switch (rr.type) + { + case QUERY_A: + { + if (pos + 6 > output_size) + throw Exception("Unable to pack packet"); + + irc::sockets::sockaddrs a; + irc::sockets::aptosa(rr.rdata, 0, a); + + s = htons(4); + memcpy(&output[pos], &s, 2); + pos += 2; + + memcpy(&output[pos], &a.in4.sin_addr, 4); + pos += 4; + break; + } + case QUERY_AAAA: + { + if (pos + 18 > output_size) + throw Exception("Unable to pack packet"); + + irc::sockets::sockaddrs a; + irc::sockets::aptosa(rr.rdata, 0, a); + + s = htons(16); + memcpy(&output[pos], &s, 2); + pos += 2; + + memcpy(&output[pos], &a.in6.sin6_addr, 16); + pos += 16; + break; + } + case QUERY_CNAME: + case QUERY_PTR: + { + if (pos + 2 >= output_size) + throw Exception("Unable to pack packet"); + + unsigned short packet_pos_save = pos; + pos += 2; + + this->PackName(output, output_size, pos, rr.rdata); + + s = htons(pos - packet_pos_save - 2); + memcpy(&output[packet_pos_save], &s, 2); + break; + } + default: + break; + } + } + + return pos; + } +}; + +class MyManager : public Manager, public Timer, public EventHandler +{ + typedef TR1NS::unordered_map<Question, Query, Question::hash> cache_map; + cache_map cache; + + irc::sockets::sockaddrs myserver; + + static bool IsExpired(const Query& record, time_t now = ServerInstance->Time()) + { + const ResourceRecord& req = record.answers[0]; + return (req.created + static_cast<time_t>(req.ttl) < now); + } + + /** Check the DNS cache to see if request can be handled by a cached result + * @return true if a cached result was found. + */ + bool CheckCache(DNS::Request* req, const DNS::Question& question) + { + ServerInstance->Logs->Log(MODNAME, LOG_SPARSE, "cache: Checking cache for " + question.name); + + cache_map::iterator it = this->cache.find(question); + if (it == this->cache.end()) + return false; + + Query& record = it->second; + if (IsExpired(record)) + { + this->cache.erase(it); + return false; + } + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "cache: Using cached result for " + question.name); + record.cached = true; + req->OnLookupComplete(&record); + return true; + } + + /** Add a record to the dns cache + * @param r The record + */ + void AddCache(Query& r) + { + const ResourceRecord& rr = r.answers[0]; + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "cache: added cache for " + rr.name + " -> " + rr.rdata + " ttl: " + ConvToStr(rr.ttl)); + this->cache[r.questions[0]] = r; + } + + public: + DNS::Request* requests[MAX_REQUEST_ID]; + + MyManager(Module* c) : Manager(c), Timer(3600, true) + { + for (int i = 0; i < MAX_REQUEST_ID; ++i) + requests[i] = NULL; + ServerInstance->Timers.AddTimer(this); + } + + ~MyManager() + { + for (int i = 0; i < MAX_REQUEST_ID; ++i) + { + DNS::Request* request = requests[i]; + if (!request) + continue; + + Query rr(*request); + rr.error = ERROR_UNKNOWN; + request->OnError(&rr); + + delete request; + } + } + + void Process(DNS::Request* req) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Processing request to lookup " + req->name + " of type " + ConvToStr(req->type) + " to " + this->myserver.addr()); + + /* Create an id */ + unsigned int tries = 0; + do + { + req->id = ServerInstance->GenRandomInt(DNS::MAX_REQUEST_ID); + + if (++tries == DNS::MAX_REQUEST_ID*5) + { + // If we couldn't find an empty slot this many times, do a sequential scan as a last + // resort. If an empty slot is found that way, go on, otherwise throw an exception + req->id = 0; + for (int i = 1; i < DNS::MAX_REQUEST_ID; i++) + { + if (!this->requests[i]) + { + req->id = i; + break; + } + } + + if (req->id == 0) + throw Exception("DNS: All ids are in use"); + + break; + } + } + while (!req->id || this->requests[req->id]); + + this->requests[req->id] = req; + + Packet p; + p.flags = QUERYFLAGS_RD; + p.id = req->id; + p.questions.push_back(*req); + + unsigned char buffer[524]; + unsigned short len = p.Pack(buffer, sizeof(buffer)); + + /* Note that calling Pack() above can actually change the contents of p.questions[0].name, if the query is a PTR, + * to contain the value that would be in the DNS cache, which is why this is here. + */ + if (req->use_cache && this->CheckCache(req, p.questions[0])) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Using cached result"); + delete req; + return; + } + + if (SocketEngine::SendTo(this, buffer, len, 0, &this->myserver.sa, this->myserver.sa_size()) != len) + throw Exception("DNS: Unable to send query"); + } + + void RemoveRequest(DNS::Request* req) + { + this->requests[req->id] = NULL; + } + + std::string GetErrorStr(Error e) + { + switch (e) + { + case ERROR_UNLOADED: + return "Module is unloading"; + case ERROR_TIMEDOUT: + return "Request timed out"; + case ERROR_NOT_AN_ANSWER: + case ERROR_NONSTANDARD_QUERY: + case ERROR_FORMAT_ERROR: + return "Malformed answer"; + case ERROR_SERVER_FAILURE: + case ERROR_NOT_IMPLEMENTED: + case ERROR_REFUSED: + case ERROR_INVALIDTYPE: + return "Nameserver failure"; + case ERROR_DOMAIN_NOT_FOUND: + case ERROR_NO_RECORDS: + return "Domain not found"; + case ERROR_NONE: + case ERROR_UNKNOWN: + default: + return "Unknown error"; + } + } + + void OnEventHandlerError(int errcode) CXX11_OVERRIDE + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "UDP socket got an error event"); + } + + void OnEventHandlerRead() CXX11_OVERRIDE + { + unsigned char buffer[524]; + irc::sockets::sockaddrs from; + socklen_t x = sizeof(from); + + int length = SocketEngine::RecvFrom(this, buffer, sizeof(buffer), 0, &from.sa, &x); + + if (length < Packet::HEADER_LENGTH) + return; + + Packet recv_packet; + + try + { + recv_packet.Fill(buffer, length); + } + catch (Exception& ex) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, ex.GetReason()); + return; + } + + if (myserver != from) + { + std::string server1 = from.str(); + std::string server2 = myserver.str(); + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Got a result from the wrong server! Bad NAT or DNS forging attempt? '%s' != '%s'", + server1.c_str(), server2.c_str()); + return; + } + + DNS::Request* request = this->requests[recv_packet.id]; + if (request == NULL) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Received an answer for something we didn't request"); + return; + } + + if (recv_packet.flags & QUERYFLAGS_OPCODE) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Received a nonstandard query"); + ServerInstance->stats.DnsBad++; + recv_packet.error = ERROR_NONSTANDARD_QUERY; + request->OnError(&recv_packet); + } + else if (recv_packet.flags & QUERYFLAGS_RCODE) + { + Error error = ERROR_UNKNOWN; + + switch (recv_packet.flags & QUERYFLAGS_RCODE) + { + case 1: + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "format error"); + error = ERROR_FORMAT_ERROR; + break; + case 2: + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "server error"); + error = ERROR_SERVER_FAILURE; + break; + case 3: + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "domain not found"); + error = ERROR_DOMAIN_NOT_FOUND; + break; + case 4: + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "not implemented"); + error = ERROR_NOT_IMPLEMENTED; + break; + case 5: + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "refused"); + error = ERROR_REFUSED; + break; + default: + break; + } + + ServerInstance->stats.DnsBad++; + recv_packet.error = error; + request->OnError(&recv_packet); + } + else if (recv_packet.questions.empty() || recv_packet.answers.empty()) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "No resource records returned"); + ServerInstance->stats.DnsBad++; + recv_packet.error = ERROR_NO_RECORDS; + request->OnError(&recv_packet); + } + else + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Lookup complete for " + request->name); + ServerInstance->stats.DnsGood++; + request->OnLookupComplete(&recv_packet); + this->AddCache(recv_packet); + } + + ServerInstance->stats.Dns++; + + /* Request's destructor removes it from the request map */ + delete request; + } + + bool Tick(time_t now) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "cache: purging DNS cache"); + + for (cache_map::iterator it = this->cache.begin(); it != this->cache.end(); ) + { + const Query& query = it->second; + if (IsExpired(query, now)) + this->cache.erase(it++); + else + ++it; + } + return true; + } + + void Rehash(const std::string& dnsserver) + { + if (this->GetFd() > -1) + { + SocketEngine::Shutdown(this, 2); + SocketEngine::Close(this); + + /* Remove expired entries from the cache */ + this->Tick(ServerInstance->Time()); + } + + irc::sockets::aptosa(dnsserver, DNS::PORT, myserver); + + /* Initialize mastersocket */ + int s = socket(myserver.sa.sa_family, SOCK_DGRAM, 0); + this->SetFd(s); + + /* Have we got a socket? */ + if (this->GetFd() != -1) + { + SocketEngine::SetReuse(s); + SocketEngine::NonBlocking(s); + + irc::sockets::sockaddrs bindto; + memset(&bindto, 0, sizeof(bindto)); + bindto.sa.sa_family = myserver.sa.sa_family; + + if (SocketEngine::Bind(this->GetFd(), bindto) < 0) + { + /* Failed to bind */ + ServerInstance->Logs->Log(MODNAME, LOG_SPARSE, "Error binding dns socket - hostnames will NOT resolve"); + SocketEngine::Close(this->GetFd()); + this->SetFd(-1); + } + else if (!SocketEngine::AddFd(this, FD_WANT_POLL_READ | FD_WANT_NO_WRITE)) + { + ServerInstance->Logs->Log(MODNAME, LOG_SPARSE, "Internal error starting DNS - hostnames will NOT resolve."); + SocketEngine::Close(this->GetFd()); + this->SetFd(-1); + } + } + else + { + ServerInstance->Logs->Log(MODNAME, LOG_SPARSE, "Error creating DNS socket - hostnames will NOT resolve"); + } + } +}; + +class ModuleDNS : public Module +{ + MyManager manager; + std::string DNSServer; + + void FindDNSServer() + { +#ifdef _WIN32 + // attempt to look up their nameserver from the system + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "WARNING: <dns:server> not defined, attempting to find a working server in the system settings..."); + + PFIXED_INFO pFixedInfo; + DWORD dwBufferSize = sizeof(FIXED_INFO); + pFixedInfo = (PFIXED_INFO) HeapAlloc(GetProcessHeap(), 0, sizeof(FIXED_INFO)); + + if (pFixedInfo) + { + if (GetNetworkParams(pFixedInfo, &dwBufferSize) == ERROR_BUFFER_OVERFLOW) + { + HeapFree(GetProcessHeap(), 0, pFixedInfo); + pFixedInfo = (PFIXED_INFO) HeapAlloc(GetProcessHeap(), 0, dwBufferSize); + } + + if (pFixedInfo) + { + if (GetNetworkParams(pFixedInfo, &dwBufferSize) == NO_ERROR) + DNSServer = pFixedInfo->DnsServerList.IpAddress.String; + + HeapFree(GetProcessHeap(), 0, pFixedInfo); + } + + if (!DNSServer.empty()) + { + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "<dns:server> set to '%s' as first active resolver in the system settings.", DNSServer.c_str()); + return; + } + } + + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "No viable nameserver found! Defaulting to nameserver '127.0.0.1'!"); +#else + // attempt to look up their nameserver from /etc/resolv.conf + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf..."); + + std::ifstream resolv("/etc/resolv.conf"); + + while (resolv >> DNSServer) + { + if (DNSServer == "nameserver") + { + resolv >> DNSServer; + if (DNSServer.find_first_not_of("0123456789.") == std::string::npos) + { + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",DNSServer.c_str()); + return; + } + } + } + + ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!"); +#endif + DNSServer = "127.0.0.1"; + } + + public: + ModuleDNS() : manager(this) + { + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + std::string oldserver = DNSServer; + DNSServer = ServerInstance->Config->ConfValue("dns")->getString("server"); + if (DNSServer.empty()) + FindDNSServer(); + + if (oldserver != DNSServer) + this->manager.Rehash(DNSServer); + } + + void OnUnloadModule(Module* mod) + { + for (int i = 0; i < MAX_REQUEST_ID; ++i) + { + DNS::Request* req = this->manager.requests[i]; + if (!req) + continue; + + if (req->creator == mod) + { + Query rr(*req); + rr.error = ERROR_UNLOADED; + req->OnError(&rr); + + delete req; + } + } + } + + Version GetVersion() + { + return Version("DNS support", VF_CORE|VF_VENDOR); + } +}; + +MODULE_INIT(ModuleDNS) + diff --git a/src/coremods/core_hostname_lookup.cpp b/src/coremods/core_hostname_lookup.cpp new file mode 100644 index 000000000..11cc5bbba --- /dev/null +++ b/src/coremods/core_hostname_lookup.cpp @@ -0,0 +1,233 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2013 Adam <Adam@anope.org> + * + * 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 "modules/dns.h" + +namespace +{ + LocalIntExt* dl; + LocalStringExt* ph; +} + +/** Derived from Resolver, and performs user forward/reverse lookups. + */ +class UserResolver : public DNS::Request +{ + /** UUID we are looking up */ + const std::string uuid; + + /** True if the lookup is forward, false if is a reverse lookup + */ + const bool fwd; + + public: + /** Create a resolver. + * @param mgr DNS Manager + * @param me this module + * @param user The user to begin lookup on + * @param to_resolve The IP or host to resolve + * @param qt The query type + */ + UserResolver(DNS::Manager* mgr, Module* me, LocalUser* user, const std::string& to_resolve, DNS::QueryType qt) + : DNS::Request(mgr, me, to_resolve, qt) + , uuid(user->uuid) + , fwd(qt == DNS::QUERY_A || qt == DNS::QUERY_AAAA) + { + } + + /** Called on successful lookup + * if a previous result has already come back. + * @param r The finished query + */ + void OnLookupComplete(const DNS::Query* r) + { + LocalUser* bound_user = (LocalUser*)ServerInstance->FindUUID(uuid); + if (!bound_user) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Resolution finished for user '%s' who is gone", uuid.c_str()); + return; + } + + const DNS::ResourceRecord& ans_record = r->answers[0]; + + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "DNS result for %s: '%s' -> '%s'", uuid.c_str(), ans_record.name.c_str(), ans_record.rdata.c_str()); + + if (!fwd) + { + // first half of resolution is done. We now need to verify that the host matches. + ph->set(bound_user, ans_record.rdata); + + UserResolver* res_forward; + if (bound_user->client_sa.sa.sa_family == AF_INET6) + { + /* IPV6 forward lookup */ + res_forward = new UserResolver(this->manager, this->creator, bound_user, ans_record.rdata, DNS::QUERY_AAAA); + } + else + { + /* IPV4 lookup */ + res_forward = new UserResolver(this->manager, this->creator, bound_user, ans_record.rdata, DNS::QUERY_A); + } + try + { + this->manager->Process(res_forward); + } + catch (DNS::Exception& e) + { + delete res_forward; + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Error in resolver: " + e.GetReason()); + + bound_user->WriteNotice("*** There was an internal error resolving your host, using your IP address (" + bound_user->GetIPString() + ") instead."); + dl->set(bound_user, 0); + } + } + else + { + /* Both lookups completed */ + + irc::sockets::sockaddrs* user_ip = &bound_user->client_sa; + bool rev_match = false; + if (user_ip->sa.sa_family == AF_INET6) + { + struct in6_addr res_bin; + if (inet_pton(AF_INET6, ans_record.rdata.c_str(), &res_bin)) + { + rev_match = !memcmp(&user_ip->in6.sin6_addr, &res_bin, sizeof(res_bin)); + } + } + else + { + struct in_addr res_bin; + if (inet_pton(AF_INET, ans_record.rdata.c_str(), &res_bin)) + { + rev_match = !memcmp(&user_ip->in4.sin_addr, &res_bin, sizeof(res_bin)); + } + } + + dl->set(bound_user, 0); + + if (rev_match) + { + std::string* hostname = ph->get(bound_user); + + if (hostname == NULL) + { + ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "ERROR: User has no hostname attached when doing a forward lookup"); + bound_user->WriteNotice("*** There was an internal error resolving your host, using your IP address (" + bound_user->GetIPString() + ") instead."); + return; + } + else if (hostname->length() <= ServerInstance->Config->Limits.MaxHost) + { + /* Hostnames starting with : are not a good thing (tm) */ + if ((*hostname)[0] == ':') + hostname->insert(0, "0"); + + bound_user->WriteNotice("*** Found your hostname (" + *hostname + (r->cached ? ") -- cached" : ")")); + bound_user->host.assign(*hostname, 0, ServerInstance->Config->Limits.MaxHost); + bound_user->dhost = bound_user->host; + + /* Invalidate cache */ + bound_user->InvalidateCache(); + } + else + { + bound_user->WriteNotice("*** Your hostname is longer than the maximum of " + ConvToStr(ServerInstance->Config->Limits.MaxHost) + " characters, using your IP address (" + bound_user->GetIPString() + ") instead."); + } + + ph->unset(bound_user); + } + else + { + bound_user->WriteNotice("*** Your hostname does not match up with your IP address. Sorry, using your IP address (" + bound_user->GetIPString() + ") instead."); + } + } + } + + /** Called on failed lookup + * @param query The errored query + */ + void OnError(const DNS::Query* query) + { + LocalUser* bound_user = (LocalUser*)ServerInstance->FindUUID(uuid); + if (bound_user) + { + bound_user->WriteNotice("*** Could not resolve your hostname: " + this->manager->GetErrorStr(query->error) + "; using your IP address (" + bound_user->GetIPString() + ") instead."); + dl->set(bound_user, 0); + ServerInstance->stats.DnsBad++; + } + } +}; + +class ModuleHostnameLookup : public Module +{ + LocalIntExt dnsLookup; + LocalStringExt ptrHosts; + dynamic_reference<DNS::Manager> DNS; + + public: + ModuleHostnameLookup() + : dnsLookup("dnsLookup", ExtensionItem::EXT_USER, this) + , ptrHosts("ptrHosts", ExtensionItem::EXT_USER, this) + , DNS(this, "DNS") + { + dl = &dnsLookup; + ph = &ptrHosts; + } + + void OnUserInit(LocalUser *user) + { + if (!DNS || !user->MyClass->resolvehostnames) + { + user->WriteNotice("*** Skipping host resolution (disabled by server administrator)"); + return; + } + + user->WriteNotice("*** Looking up your hostname..."); + + UserResolver* res_reverse = new UserResolver(*this->DNS, this, user, user->GetIPString(), DNS::QUERY_PTR); + try + { + /* If both the reverse and forward queries are cached, the user will be able to pass DNS completely + * before Process() completes, which is why dnsLookup.set() is here, before Process() + */ + this->dnsLookup.set(user, 1); + this->DNS->Process(res_reverse); + } + catch (DNS::Exception& e) + { + this->dnsLookup.set(user, 0); + delete res_reverse; + ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Error in resolver: " + e.GetReason()); + ServerInstance->stats.DnsBad++; + } + } + + ModResult OnCheckReady(LocalUser* user) + { + return this->dnsLookup.get(user) ? MOD_RES_DENY : MOD_RES_PASSTHRU; + } + + Version GetVersion() + { + return Version("Provides support for DNS lookups on connecting clients", VF_CORE|VF_VENDOR); + } +}; + +MODULE_INIT(ModuleHostnameLookup) diff --git a/src/coremods/core_info/cmd_admin.cpp b/src/coremods/core_info/cmd_admin.cpp new file mode 100644 index 000000000..722ef8668 --- /dev/null +++ b/src/coremods/core_info/cmd_admin.cpp @@ -0,0 +1,54 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_info.h" + +CommandAdmin::CommandAdmin(Module* parent) + : Command(parent, "ADMIN", 0, 0) +{ + Penalty = 2; + syntax = "[<servername>]"; +} + +/** Handle /ADMIN + */ +CmdResult CommandAdmin::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() > 0 && parameters[0] != ServerInstance->Config->ServerName) + return CMD_SUCCESS; + user->SendText(":%s %03d %s :Administrative info for %s", ServerInstance->Config->ServerName.c_str(), + RPL_ADMINME, user->nick.c_str(),ServerInstance->Config->ServerName.c_str()); + if (!AdminName.empty()) + user->SendText(":%s %03d %s :Name - %s", ServerInstance->Config->ServerName.c_str(), + RPL_ADMINLOC1, user->nick.c_str(), AdminName.c_str()); + user->SendText(":%s %03d %s :Nickname - %s", ServerInstance->Config->ServerName.c_str(), + RPL_ADMINLOC2, user->nick.c_str(), AdminNick.c_str()); + user->SendText(":%s %03d %s :E-Mail - %s", ServerInstance->Config->ServerName.c_str(), + RPL_ADMINEMAIL, user->nick.c_str(), AdminEmail.c_str()); + return CMD_SUCCESS; +} + +RouteDescriptor CommandAdmin::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + if (parameters.size() > 0) + return ROUTE_UNICAST(parameters[0]); + return ROUTE_LOCALONLY; +} diff --git a/src/coremods/core_info/cmd_commands.cpp b/src/coremods/core_info/cmd_commands.cpp new file mode 100644 index 000000000..3ff6728d8 --- /dev/null +++ b/src/coremods/core_info/cmd_commands.cpp @@ -0,0 +1,53 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_info.h" + +CommandCommands::CommandCommands(Module* parent) + : Command(parent, "COMMANDS", 0, 0) +{ + Penalty = 3; +} + +/** Handle /COMMANDS + */ +CmdResult CommandCommands::Handle (const std::vector<std::string>&, User *user) +{ + const CommandParser::CommandMap& commands = ServerInstance->Parser.GetCommands(); + std::vector<std::string> list; + list.reserve(commands.size()); + for (CommandParser::CommandMap::const_iterator i = commands.begin(); i != commands.end(); ++i) + { + // Don't show S2S commands to users + if (i->second->flags_needed == FLAG_SERVERONLY) + continue; + + Module* src = i->second->creator; + list.push_back(InspIRCd::Format(":%s %03d %s :%s %s %d %d", ServerInstance->Config->ServerName.c_str(), + RPL_COMMANDS, user->nick.c_str(), i->second->name.c_str(), src->ModuleSourceFile.c_str(), + i->second->min_params, i->second->Penalty)); + } + std::sort(list.begin(), list.end()); + for(unsigned int i=0; i < list.size(); i++) + user->Write(list[i]); + user->WriteNumeric(RPL_COMMANDSEND, ":End of COMMANDS list"); + return CMD_SUCCESS; +} diff --git a/src/coremods/core_info/cmd_info.cpp b/src/coremods/core_info/cmd_info.cpp new file mode 100644 index 000000000..0d8c1a45a --- /dev/null +++ b/src/coremods/core_info/cmd_info.cpp @@ -0,0 +1,95 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2011 Jackmcbarn <jackmcbarn@jackmcbarn.no-ip.org> + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * + * 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 "core_info.h" + +CommandInfo::CommandInfo(Module* parent) + : Command(parent, "INFO") +{ + Penalty = 4; + syntax = "[<servername>]"; +} + +static const char* const lines[] = { + " -/\\- \2InspIRCd\2 -\\/-", + " November 2002 - Present", + " ", + "\2Core Developers\2:", + " Craig Edwards, Brain, <brain@inspircd.org>", + " Craig McLure, Craig, <craig@inspircd.org>", + " Robin Burchell, w00t, <w00t@inspircd.org>", + " Oliver Lupton, Om, <om@inspircd.org>", + " John Brooks, Special, <special@inspircd.org>", + " Dennis Friis, peavey, <peavey@inspircd.org>", + " Thomas Stagner, aquanight, <aquanight@inspircd.org>", + " Uli Schlachter, psychon, <psychon@inspircd.org>", + " Matt Smith, dz, <dz@inspircd.org>", + " Daniel De Graaf, danieldg, <danieldg@inspircd.org>", + " jackmcbarn, <jackmcbarn@inspircd.org>", + " Attila Molnar, Attila, <attilamolnar@hush.com>", + " ", + "\2Regular Contributors\2:", + " Adam SaberUK", + " ", + "\2Other Contributors\2:", + " ChrisTX Shawn Shutter", + " ", + "\2Former Contributors\2:", + " dmb Zaba skenmy GreenReaper", + " Dan Jason satmd owine", + " Adremelech John2 jilles HiroP", + " eggy Bricker AnMaster djGrrr", + " nenolod Quension praetorian pippijn", + " CC jamie typobox43 Burlex (win32)", + " Stskeeps ThaPrince BuildSmart Thunderhacker", + " Skip LeaChim Majic MacGyver", + " Namegduf Ankit Phoenix Taros", + " ", + "\2Thanks To\2:", + " searchirc.com irc-junkie.org Brik fraggeln", + " ", + " Best experienced with: \2An IRC client\2", + NULL +}; + +/** Handle /INFO + */ +CmdResult CommandInfo::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() > 0 && parameters[0] != ServerInstance->Config->ServerName) + return CMD_SUCCESS; + + int i=0; + while (lines[i]) + user->SendText(":%s %03d %s :%s", ServerInstance->Config->ServerName.c_str(), RPL_INFO, user->nick.c_str(), lines[i++]); + FOREACH_MOD(OnInfo, (user)); + user->SendText(":%s %03d %s :End of /INFO list", ServerInstance->Config->ServerName.c_str(), RPL_ENDOFINFO, user->nick.c_str()); + return CMD_SUCCESS; +} + +RouteDescriptor CommandInfo::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + if (parameters.size() > 0) + return ROUTE_UNICAST(parameters[0]); + return ROUTE_LOCALONLY; +} diff --git a/src/coremods/core_info/cmd_modules.cpp b/src/coremods/core_info/cmd_modules.cpp new file mode 100644 index 000000000..cee370870 --- /dev/null +++ b/src/coremods/core_info/cmd_modules.cpp @@ -0,0 +1,92 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007 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 "core_info.h" + +CommandModules::CommandModules(Module* parent) + : Command(parent, "MODULES", 0, 0) +{ + Penalty = 4; + syntax = "[<servername>]"; +} + +/** Handle /MODULES + */ +CmdResult CommandModules::Handle (const std::vector<std::string>& parameters, User *user) +{ + // Don't ask remote servers about their modules unless the local user asking is an oper + // 2.0 asks anyway, so let's handle that the same way + bool for_us = (parameters.empty() || parameters[0] == ServerInstance->Config->ServerName); + if ((!for_us) || (!IS_LOCAL(user))) + { + if (!user->IsOper()) + { + user->WriteNotice("*** You cannot check what modules other servers have loaded."); + return CMD_FAILURE; + } + + // From an oper and not for us, forward + if (!for_us) + return CMD_SUCCESS; + } + + const ModuleManager::ModuleMap& mods = ServerInstance->Modules->GetModules(); + + for (ModuleManager::ModuleMap::const_iterator i = mods.begin(); i != mods.end(); ++i) + { + Module* m = i->second; + Version V = m->GetVersion(); + + if (IS_LOCAL(user) && user->HasPrivPermission("servers/auspex")) + { + std::string flags("SvcC"); + int pos = 0; + for (int mult = 1; mult <= VF_OPTCOMMON; mult *= 2, ++pos) + if (!(V.Flags & mult)) + flags[pos] = '-'; + +#ifdef PURE_STATIC + user->SendText(":%s 702 %s :%p %s %s :%s", ServerInstance->Config->ServerName.c_str(), + user->nick.c_str(), (void*)m, m->ModuleSourceFile.c_str(), flags.c_str(), V.description.c_str()); +#else + std::string srcrev = m->ModuleDLLManager->GetVersion(); + user->SendText(":%s 702 %s :%p %s %s :%s - %s", ServerInstance->Config->ServerName.c_str(), + user->nick.c_str(), (void*)m, m->ModuleSourceFile.c_str(), flags.c_str(), V.description.c_str(), srcrev.c_str()); +#endif + } + else + { + user->SendText(":%s 702 %s :%s %s", ServerInstance->Config->ServerName.c_str(), + user->nick.c_str(), m->ModuleSourceFile.c_str(), V.description.c_str()); + } + } + user->SendText(":%s 703 %s :End of MODULES list", ServerInstance->Config->ServerName.c_str(), user->nick.c_str()); + + return CMD_SUCCESS; +} + +RouteDescriptor CommandModules::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + if (parameters.size() >= 1) + return ROUTE_UNICAST(parameters[0]); + return ROUTE_LOCALONLY; +} diff --git a/src/coremods/core_info/cmd_motd.cpp b/src/coremods/core_info/cmd_motd.cpp new file mode 100644 index 000000000..57616094e --- /dev/null +++ b/src/coremods/core_info/cmd_motd.cpp @@ -0,0 +1,72 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_info.h" + +CommandMotd::CommandMotd(Module* parent) + : Command(parent, "MOTD", 0, 1) +{ + syntax = "[<servername>]"; +} + +/** Handle /MOTD + */ +CmdResult CommandMotd::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() > 0 && parameters[0] != ServerInstance->Config->ServerName) + { + // Give extra penalty if a non-oper queries the /MOTD of a remote server + LocalUser* localuser = IS_LOCAL(user); + if ((localuser) && (!user->IsOper())) + localuser->CommandFloodPenalty += 2000; + return CMD_SUCCESS; + } + + ConfigTag* tag = ServerInstance->Config->EmptyTag; + LocalUser* localuser = IS_LOCAL(user); + if (localuser) + tag = localuser->GetClass()->config; + std::string motd_name = tag->getString("motd", "motd"); + ConfigFileCache::iterator motd = ServerInstance->Config->Files.find(motd_name); + if (motd == ServerInstance->Config->Files.end()) + { + user->SendText(":%s %03d %s :Message of the day file is missing.", + ServerInstance->Config->ServerName.c_str(), ERR_NOMOTD, user->nick.c_str()); + return CMD_SUCCESS; + } + + user->SendText(":%s %03d %s :%s message of the day", ServerInstance->Config->ServerName.c_str(), + RPL_MOTDSTART, user->nick.c_str(), ServerInstance->Config->ServerName.c_str()); + + for (file_cache::iterator i = motd->second.begin(); i != motd->second.end(); i++) + user->SendText(":%s %03d %s :- %s", ServerInstance->Config->ServerName.c_str(), RPL_MOTD, user->nick.c_str(), i->c_str()); + + user->SendText(":%s %03d %s :End of message of the day.", ServerInstance->Config->ServerName.c_str(), RPL_ENDOFMOTD, user->nick.c_str()); + + return CMD_SUCCESS; +} + +RouteDescriptor CommandMotd::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + if (parameters.size() > 0) + return ROUTE_UNICAST(parameters[0]); + return ROUTE_LOCALONLY; +} diff --git a/src/coremods/core_info/cmd_time.cpp b/src/coremods/core_info/cmd_time.cpp new file mode 100644 index 000000000..95cfb12fd --- /dev/null +++ b/src/coremods/core_info/cmd_time.cpp @@ -0,0 +1,46 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_info.h" + +CommandTime::CommandTime(Module* parent) + : Command(parent, "TIME", 0, 0) +{ + syntax = "[<servername>]"; +} + +CmdResult CommandTime::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() > 0 && parameters[0] != ServerInstance->Config->ServerName) + return CMD_SUCCESS; + + user->SendText(":%s %03d %s %s :%s", ServerInstance->Config->ServerName.c_str(), RPL_TIME, user->nick.c_str(), + ServerInstance->Config->ServerName.c_str(), InspIRCd::TimeString(ServerInstance->Time()).c_str()); + + return CMD_SUCCESS; +} + +RouteDescriptor CommandTime::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + if (parameters.size() > 0) + return ROUTE_UNICAST(parameters[0]); + return ROUTE_LOCALONLY; +} diff --git a/src/coremods/core_info/cmd_version.cpp b/src/coremods/core_info/cmd_version.cpp new file mode 100644 index 000000000..eb3ab2c4e --- /dev/null +++ b/src/coremods/core_info/cmd_version.cpp @@ -0,0 +1,40 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_info.h" + +CommandVersion::CommandVersion(Module* parent) + : Command(parent, "VERSION", 0, 0) +{ + syntax = "[<servername>]"; +} + +CmdResult CommandVersion::Handle (const std::vector<std::string>&, User *user) +{ + std::string version = ServerInstance->GetVersionString((user->IsOper())); + user->WriteNumeric(RPL_VERSION, ":%s", version.c_str()); + LocalUser *lu = IS_LOCAL(user); + if (lu != NULL) + { + ServerInstance->ISupport.SendTo(lu); + } + return CMD_SUCCESS; +} diff --git a/src/coremods/core_info/core_info.cpp b/src/coremods/core_info/core_info.cpp new file mode 100644 index 000000000..56c3c956d --- /dev/null +++ b/src/coremods/core_info/core_info.cpp @@ -0,0 +1,53 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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 "core_info.h" + +class CoreModInfo : public Module +{ + CommandAdmin cmdadmin; + CommandCommands cmdcommands; + CommandInfo cmdinfo; + CommandModules cmdmodules; + CommandMotd cmdmotd; + CommandTime cmdtime; + CommandVersion cmdversion; + + public: + CoreModInfo() + : cmdadmin(this), cmdcommands(this), cmdinfo(this), cmdmodules(this), cmdmotd(this), cmdtime(this), cmdversion(this) + { + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("admin"); + cmdadmin.AdminName = tag->getString("name"); + cmdadmin.AdminEmail = tag->getString("email", "null@example.com"); + cmdadmin.AdminNick = tag->getString("nick", "admin"); + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides the ADMIN, COMMANDS, INFO, MODULES, MOTD, TIME and VERSION commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModInfo) diff --git a/src/coremods/core_info/core_info.h b/src/coremods/core_info/core_info.h new file mode 100644 index 000000000..f5dd9e648 --- /dev/null +++ b/src/coremods/core_info/core_info.h @@ -0,0 +1,161 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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/>. + */ + + +#pragma once + +#include "inspircd.h" + +/** Handle /ADMIN. + */ +class CommandAdmin : public Command +{ + public: + /** Holds the admin's name, for output in + * the /ADMIN command. + */ + std::string AdminName; + + /** Holds the email address of the admin, + * for output in the /ADMIN command. + */ + std::string AdminEmail; + + /** Holds the admin's nickname, for output + * in the /ADMIN command + */ + std::string AdminNick; + + /** Constructor for admin. + */ + CommandAdmin(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /COMMANDS. + */ +class CommandCommands : public Command +{ + public: + /** Constructor for commands. + */ + CommandCommands(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /INFO. + */ +class CommandInfo : public Command +{ + public: + /** Constructor for info. + */ + CommandInfo(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /MODULES. + */ +class CommandModules : public Command +{ + public: + /** Constructor for modules. + */ + CommandModules(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /MOTD. + */ +class CommandMotd : public Command +{ + public: + /** Constructor for motd. + */ + CommandMotd(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /TIME. + */ +class CommandTime : public Command +{ + public: + /** Constructor for time. + */ + CommandTime(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /VERSION. + */ +class CommandVersion : public Command +{ + public: + /** Constructor for version. + */ + CommandVersion(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; diff --git a/src/coremods/core_ison.cpp b/src/coremods/core_ison.cpp new file mode 100644 index 000000000..ebb43bdf9 --- /dev/null +++ b/src/coremods/core_ison.cpp @@ -0,0 +1,96 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /ISON. + */ +class CommandIson : public Command +{ + /** Helper function to append a nick to an ISON reply + * @param user User doing the /ISON + * @param toadd User to append to the ISON reply + * @param reply Reply string to append the nick to + * @param pos If the reply gets too long it is sent to the user and truncated from this position + */ + static bool AddNick(User* user, User* toadd, std::string& reply, const std::string::size_type pos); + + public: + /** Constructor for ison. + */ + CommandIson ( Module* parent) : Command(parent,"ISON", 1) { + syntax = "<nick> {nick}"; + } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +bool CommandIson::AddNick(User* user, User* toadd, std::string& reply, const std::string::size_type pos) +{ + if ((toadd) && (toadd->registered == REG_ALL)) + { + reply.append(toadd->nick).push_back(' '); + if (reply.length() > 450) + { + user->WriteServ(reply); + reply.erase(pos); + } + return true; + } + return false; +} + +/** Handle /ISON + */ +CmdResult CommandIson::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string reply = "303 " + user->nick + " :"; + const std::string::size_type pos = reply.size(); + + for (std::vector<std::string>::const_iterator i = parameters.begin(); i != parameters.end(); ++i) + { + const std::string& targetstr = *i; + + User* const u = ServerInstance->FindNickOnly(targetstr); + if (!AddNick(user, u, reply, pos)) + { + if ((i == parameters.end() - 1) && (targetstr.find(' ') != std::string::npos)) + { + /* Its a space seperated list of nicks (RFC1459 says to support this) + */ + irc::spacesepstream list(targetstr); + std::string item; + + while (list.GetToken(item)) + AddNick(user, ServerInstance->FindNickOnly(item), reply, pos); + } + } + } + + user->WriteServ(reply); + return CMD_SUCCESS; +} + + +COMMAND_INIT(CommandIson) diff --git a/src/coremods/core_list.cpp b/src/coremods/core_list.cpp new file mode 100644 index 000000000..278e6044d --- /dev/null +++ b/src/coremods/core_list.cpp @@ -0,0 +1,118 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /LIST. + */ +class CommandList : public Command +{ + ChanModeReference secretmode; + ChanModeReference privatemode; + + public: + /** Constructor for list. + */ + CommandList(Module* parent) + : Command(parent,"LIST", 0, 0) + , secretmode(creator, "secret") + , privatemode(creator, "private") + { + Penalty = 5; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + + +/** Handle /LIST + */ +CmdResult CommandList::Handle (const std::vector<std::string>& parameters, User *user) +{ + int minusers = 0, maxusers = 0; + + user->WriteNumeric(RPL_LISTSTART, "Channel :Users Name"); + + /* Work around mIRC suckyness. YOU SUCK, KHALED! */ + if (parameters.size() == 1) + { + if (parameters[0][0] == '<') + { + maxusers = atoi((parameters[0].c_str())+1); + } + else if (parameters[0][0] == '>') + { + minusers = atoi((parameters[0].c_str())+1); + } + } + + const bool has_privs = user->HasPrivPermission("channels/auspex"); + const bool match_name_topic = ((!parameters.empty()) && (!parameters[0].empty()) && (parameters[0][0] != '<') && (parameters[0][0] != '>')); + + const chan_hash& chans = ServerInstance->GetChans(); + for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i) + { + Channel* const chan = i->second; + + // attempt to match a glob pattern + long users = chan->GetUserCounter(); + + bool too_few = (minusers && (users <= minusers)); + bool too_many = (maxusers && (users >= maxusers)); + + if (too_many || too_few) + continue; + + if (match_name_topic) + { + if (!InspIRCd::Match(chan->name, parameters[0]) && !InspIRCd::Match(chan->topic, parameters[0])) + continue; + } + + // if the channel is not private/secret, OR the user is on the channel anyway + bool n = (has_privs || chan->HasUser(user)); + + // If we're not in the channel and +s is set on it, we want to ignore it + if ((n) || (!chan->IsModeSet(secretmode))) + { + if ((!n) && (chan->IsModeSet(privatemode))) + { + // Channel is private (+p) and user is outside/not privileged + user->WriteNumeric(RPL_LIST, "* %ld :", users); + } + else + { + /* User is in the channel/privileged, channel is not +s */ + user->WriteNumeric(RPL_LIST, "%s %ld :[+%s] %s", chan->name.c_str(), users, chan->ChanModes(n), chan->topic.c_str()); + } + } + } + user->WriteNumeric(RPL_LISTEND, ":End of channel list."); + + return CMD_SUCCESS; +} + + +COMMAND_INIT(CommandList) diff --git a/src/coremods/core_loadmodule.cpp b/src/coremods/core_loadmodule.cpp new file mode 100644 index 000000000..1d49d89d0 --- /dev/null +++ b/src/coremods/core_loadmodule.cpp @@ -0,0 +1,126 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /LOADMODULE. + */ +class CommandLoadmodule : public Command +{ + public: + /** Constructor for loadmodule. + */ + CommandLoadmodule ( Module* parent) : Command(parent,"LOADMODULE",1,1) { flags_needed='o'; syntax = "<modulename>"; } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +/** Handle /LOADMODULE + */ +CmdResult CommandLoadmodule::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (ServerInstance->Modules->Load(parameters[0])) + { + ServerInstance->SNO->WriteGlobalSno('a', "NEW MODULE: %s loaded %s",user->nick.c_str(), parameters[0].c_str()); + user->WriteNumeric(RPL_LOADEDMODULE, "%s :Module successfully loaded.", parameters[0].c_str()); + return CMD_SUCCESS; + } + else + { + user->WriteNumeric(ERR_CANTLOADMODULE, "%s :%s", parameters[0].c_str(), ServerInstance->Modules->LastError().c_str()); + return CMD_FAILURE; + } +} + +/** Handle /UNLOADMODULE. + */ +class CommandUnloadmodule : public Command +{ + public: + /** Constructor for unloadmodule. + */ + CommandUnloadmodule(Module* parent) + : Command(parent,"UNLOADMODULE", 1) + { + flags_needed = 'o'; + syntax = "<modulename>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +CmdResult CommandUnloadmodule::Handle(const std::vector<std::string>& parameters, User* user) +{ + if (!ServerInstance->Config->ConfValue("security")->getBool("allowcoreunload") && + InspIRCd::Match(parameters[0], "core_*.so", ascii_case_insensitive_map)) + { + user->WriteNumeric(ERR_CANTUNLOADMODULE, "%s :You cannot unload core commands!", parameters[0].c_str()); + return CMD_FAILURE; + } + + Module* m = ServerInstance->Modules->Find(parameters[0]); + if (m == creator) + { + user->WriteNumeric(ERR_CANTUNLOADMODULE, "%s :You cannot unload module loading commands!", parameters[0].c_str()); + return CMD_FAILURE; + } + + if (m && ServerInstance->Modules->Unload(m)) + { + ServerInstance->SNO->WriteGlobalSno('a', "MODULE UNLOADED: %s unloaded %s", user->nick.c_str(), parameters[0].c_str()); + user->WriteNumeric(RPL_UNLOADEDMODULE, "%s :Module successfully unloaded.", parameters[0].c_str()); + } + else + { + user->WriteNumeric(ERR_CANTUNLOADMODULE, "%s :%s", parameters[0].c_str(), + m ? ServerInstance->Modules->LastError().c_str() : "No such module"); + return CMD_FAILURE; + } + + return CMD_SUCCESS; +} + +class CoreModLoadModule : public Module +{ + CommandLoadmodule cmdloadmod; + CommandUnloadmodule cmdunloadmod; + + public: + CoreModLoadModule() + : cmdloadmod(this), cmdunloadmod(this) + { + } + + Version GetVersion() + { + return Version("Provides the LOADMODULE and UNLOADMODULE commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModLoadModule) diff --git a/src/coremods/core_lusers.cpp b/src/coremods/core_lusers.cpp new file mode 100644 index 000000000..2529ca42b --- /dev/null +++ b/src/coremods/core_lusers.cpp @@ -0,0 +1,173 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +struct LusersCounters +{ + unsigned int max_local; + unsigned int max_global; + unsigned int invisible; + + LusersCounters(unsigned int inv) + : max_local(ServerInstance->Users->LocalUserCount()) + , max_global(ServerInstance->Users->RegisteredUserCount()) + , invisible(inv) + { + } + + inline void UpdateMaxUsers() + { + unsigned int current = ServerInstance->Users->LocalUserCount(); + if (current > max_local) + max_local = current; + + current = ServerInstance->Users->RegisteredUserCount(); + if (current > max_global) + max_global = current; + } +}; + +/** Handle /LUSERS. + */ +class CommandLusers : public Command +{ + LusersCounters& counters; + public: + /** Constructor for lusers. + */ + CommandLusers(Module* parent, LusersCounters& Counters) + : Command(parent,"LUSERS",0,0), counters(Counters) + { } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +/** Handle /LUSERS + */ +CmdResult CommandLusers::Handle (const std::vector<std::string>&, User *user) +{ + unsigned int n_users = ServerInstance->Users->RegisteredUserCount(); + ProtocolInterface::ServerList serverlist; + ServerInstance->PI->GetServerList(serverlist); + unsigned int n_serv = serverlist.size(); + unsigned int n_local_servs = 0; + for (ProtocolInterface::ServerList::const_iterator i = serverlist.begin(); i != serverlist.end(); ++i) + { + if (i->parentname == ServerInstance->Config->ServerName) + n_local_servs++; + } + // fix for default GetServerList not returning us + if (!n_serv) + n_serv = 1; + + counters.UpdateMaxUsers(); + + user->WriteNumeric(RPL_LUSERCLIENT, ":There are %d users and %d invisible on %d servers", + n_users - counters.invisible, counters.invisible, n_serv); + + if (ServerInstance->Users->OperCount()) + user->WriteNumeric(RPL_LUSEROP, "%d :operator(s) online", ServerInstance->Users->OperCount()); + + if (ServerInstance->Users->UnregisteredUserCount()) + user->WriteNumeric(RPL_LUSERUNKNOWN, "%d :unknown connections", ServerInstance->Users->UnregisteredUserCount()); + + user->WriteNumeric(RPL_LUSERCHANNELS, "%lu :channels formed", (unsigned long)ServerInstance->GetChans().size()); + user->WriteNumeric(RPL_LUSERME, ":I have %d clients and %d servers", ServerInstance->Users->LocalUserCount(),n_local_servs); + user->WriteNumeric(RPL_LOCALUSERS, ":Current local users: %d Max: %d", ServerInstance->Users->LocalUserCount(), counters.max_local); + user->WriteNumeric(RPL_GLOBALUSERS, ":Current global users: %d Max: %d", n_users, counters.max_global); + + return CMD_SUCCESS; +} + +class InvisibleWatcher : public ModeWatcher +{ + unsigned int& invisible; +public: + InvisibleWatcher(Module* mod, unsigned int& Invisible) + : ModeWatcher(mod, "invisible", MODETYPE_USER), invisible(Invisible) + { + } + + void AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding) + { + if (dest->registered != REG_ALL) + return; + + if (adding) + invisible++; + else + invisible--; + } +}; + +class ModuleLusers : public Module +{ + UserModeReference invisiblemode; + LusersCounters counters; + CommandLusers cmd; + InvisibleWatcher mw; + + unsigned int CountInvisible() + { + unsigned int c = 0; + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i) + { + User* u = i->second; + if (u->IsModeSet(invisiblemode)) + c++; + } + return c; + } + + public: + ModuleLusers() + : invisiblemode(this, "invisible") + , counters(CountInvisible()) + , cmd(this, counters) + , mw(this, counters.invisible) + { + } + + void OnPostConnect(User* user) + { + counters.UpdateMaxUsers(); + if (user->IsModeSet(invisiblemode)) + counters.invisible++; + } + + void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) + { + if (user->IsModeSet(invisiblemode)) + counters.invisible--; + } + + Version GetVersion() + { + return Version("LUSERS", VF_VENDOR | VF_CORE); + } +}; + +MODULE_INIT(ModuleLusers) diff --git a/src/coremods/core_oper/cmd_die.cpp b/src/coremods/core_oper/cmd_die.cpp new file mode 100644 index 000000000..5a9415915 --- /dev/null +++ b/src/coremods/core_oper/cmd_die.cpp @@ -0,0 +1,53 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "exitcodes.h" +#include "core_oper.h" + +CommandDie::CommandDie(Module* parent) + : Command(parent, "DIE", 1) +{ + flags_needed = 'o'; + syntax = "<password>"; +} + +/** Handle /DIE + */ +CmdResult CommandDie::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (DieRestart::CheckPass(user, parameters[0], "diepass")) + { + { + std::string diebuf = "*** DIE command from " + user->GetFullHost() + ". Terminating."; + ServerInstance->Logs->Log("COMMAND", LOG_SPARSE, diebuf); + ServerInstance->SendError(diebuf); + } + + ServerInstance->Exit(EXIT_STATUS_DIE); + } + else + { + ServerInstance->Logs->Log("COMMAND", LOG_SPARSE, "Failed /DIE command from %s", user->GetFullRealHost().c_str()); + ServerInstance->SNO->WriteGlobalSno('a', "Failed DIE Command from %s.", user->GetFullRealHost().c_str()); + return CMD_FAILURE; + } + return CMD_SUCCESS; +} diff --git a/src/coremods/core_oper/cmd_kill.cpp b/src/coremods/core_oper/cmd_kill.cpp new file mode 100644 index 000000000..b60885c64 --- /dev/null +++ b/src/coremods/core_oper/cmd_kill.cpp @@ -0,0 +1,156 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007 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 "core_oper.h" + +CommandKill::CommandKill(Module* parent) + : Command(parent, "KILL", 2, 2) +{ + flags_needed = 'o'; + syntax = "<nickname> <reason>"; + TRANSLATE2(TR_CUSTOM, TR_CUSTOM); +} + + +/** Handle /KILL + */ +CmdResult CommandKill::Handle (const std::vector<std::string>& parameters, User *user) +{ + /* Allow comma seperated lists of users for /KILL (thanks w00t) */ + if (CommandParser::LoopCall(user, this, parameters, 0)) + { + // If we got a colon delimited list of nicks then the handler ran for each nick, + // and KILL commands were broadcast for remote targets. + return CMD_FAILURE; + } + + User *u = ServerInstance->FindNick(parameters[0]); + if ((u) && (!IS_SERVER(u))) + { + /* + * Here, we need to decide how to munge kill messages. Whether to hide killer, what to show opers, etc. + * We only do this when the command is being issued LOCALLY, for remote KILL, we just copy the message we got. + * + * This conditional is so that we only append the "Killed (" prefix ONCE. If killer is remote, then the kill + * just gets processed and passed on, otherwise, if they are local, it gets prefixed. Makes sense :-) -- w00t + */ + + if (IS_LOCAL(user)) + { + /* + * Moved this event inside the IS_LOCAL check also, we don't want half the network killing a user + * and the other half not. This would be a bad thing. ;p -- w00t + */ + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnKill, MOD_RESULT, (user, u, parameters[1])); + + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + + killreason = "Killed ("; + if (!ServerInstance->Config->HideKillsServer.empty()) + { + // hidekills is on, use it + killreason += ServerInstance->Config->HideKillsServer; + } + else + { + // hidekills is off, do nothing + killreason += user->nick; + } + + killreason += " (" + parameters[1] + "))"; + } + else + { + /* Leave it alone, remote server has already formatted it */ + killreason.assign(parameters[1], 0, ServerInstance->Config->Limits.MaxQuit); + } + + /* + * Now we need to decide whether or not to send a local or remote snotice. Currently this checking is a little flawed. + * No time to fix it right now, so left a note. -- w00t + */ + if (!IS_LOCAL(u)) + { + // remote kill + if (!user->server->IsULine()) + ServerInstance->SNO->WriteToSnoMask('K', "Remote kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); + this->lastuuid = u->uuid; + } + else + { + // local kill + /* + * XXX - this isn't entirely correct, servers A - B - C, oper on A, client on C. Oper kills client, A and B will get remote kill + * snotices, C will get a local kill snotice. this isn't accurate, and needs fixing at some stage. -- w00t + */ + if (!user->server->IsULine()) + { + if (IS_LOCAL(user)) + ServerInstance->SNO->WriteGlobalSno('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); + else + ServerInstance->SNO->WriteToSnoMask('k',"Local Kill by %s: %s (%s)", user->nick.c_str(), u->GetFullRealHost().c_str(), parameters[1].c_str()); + } + + ServerInstance->Logs->Log("KILL", LOG_DEFAULT, "LOCAL KILL: %s :%s!%s!%s (%s)", u->nick.c_str(), ServerInstance->Config->ServerName.c_str(), user->dhost.c_str(), user->nick.c_str(), parameters[1].c_str()); + + u->Write(":%s KILL %s :%s!%s!%s (%s)", ServerInstance->Config->HideKillsServer.empty() ? user->GetFullHost().c_str() : ServerInstance->Config->HideKillsServer.c_str(), + u->nick.c_str(), + ServerInstance->Config->ServerName.c_str(), + user->dhost.c_str(), + ServerInstance->Config->HideKillsServer.empty() ? user->nick.c_str() : ServerInstance->Config->HideKillsServer.c_str(), + parameters[1].c_str()); + + this->lastuuid.clear(); + } + + // send the quit out + ServerInstance->Users->QuitUser(u, killreason); + } + else + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; + } + + return CMD_SUCCESS; +} + +RouteDescriptor CommandKill::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + // FindNick() doesn't work here because we quit the target user in Handle() which + // removes it from the nicklist, so we check lastuuid: if it's empty then this KILL + // was for a local user, otherwise it contains the uuid of the user who was killed. + if (lastuuid.empty()) + return ROUTE_LOCALONLY; + return ROUTE_BROADCAST; +} + + +void CommandKill::EncodeParameter(std::string& param, int index) +{ + // Manually translate the nick -> uuid (see above), and also the reason (params[1]) + // because we decorate it if the oper is local and want remote servers to see the + // decorated reason not the original. + param = ((index == 0) ? lastuuid : killreason); +} diff --git a/src/coremods/core_oper/cmd_oper.cpp b/src/coremods/core_oper/cmd_oper.cpp new file mode 100644 index 000000000..e4ba69549 --- /dev/null +++ b/src/coremods/core_oper/cmd_oper.cpp @@ -0,0 +1,72 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * Copyright (C) 2007 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 "core_oper.h" + +CommandOper::CommandOper(Module* parent) + : SplitCommand(parent, "OPER", 2, 2) +{ + syntax = "<username> <password>"; +} + +CmdResult CommandOper::HandleLocal(const std::vector<std::string>& parameters, LocalUser *user) +{ + bool match_login = false; + bool match_pass = false; + bool match_hosts = false; + + const std::string userHost = user->ident + "@" + user->host; + const std::string userIP = user->ident + "@" + user->GetIPString(); + + ServerConfig::OperIndex::const_iterator i = ServerInstance->Config->oper_blocks.find(parameters[0]); + if (i != ServerInstance->Config->oper_blocks.end()) + { + OperInfo* ifo = i->second; + ConfigTag* tag = ifo->oper_block; + match_login = true; + match_pass = ServerInstance->PassCompare(user, tag->getString("password"), parameters[1], tag->getString("hash")); + match_hosts = InspIRCd::MatchMask(tag->getString("host"), userHost, userIP); + + if (match_pass && match_hosts) + { + /* found this oper's opertype */ + user->Oper(ifo); + return CMD_SUCCESS; + } + } + + std::string fields; + if (!match_login) + fields.append("login "); + if (!match_pass) + fields.append("password "); + if (!match_hosts) + fields.append("hosts"); + + // tell them they suck, and lag them up to help prevent brute-force attacks + user->WriteNumeric(ERR_NOOPERHOST, ":Invalid oper credentials"); + user->CommandFloodPenalty += 10000; + + ServerInstance->SNO->WriteGlobalSno('o', "WARNING! Failed oper attempt by %s using login '%s': The following fields do not match: %s", user->GetFullRealHost().c_str(), parameters[0].c_str(), fields.c_str()); + ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "OPER: Failed oper attempt by %s using login '%s': The following fields did not match: %s", user->GetFullRealHost().c_str(), parameters[0].c_str(), fields.c_str()); + return CMD_FAILURE; +} diff --git a/src/coremods/core_oper/cmd_rehash.cpp b/src/coremods/core_oper/cmd_rehash.cpp new file mode 100644 index 000000000..19d2fa8c2 --- /dev/null +++ b/src/coremods/core_oper/cmd_rehash.cpp @@ -0,0 +1,94 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> + * Copyright (C) 2008 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 "core_oper.h" + +CommandRehash::CommandRehash(Module* parent) + : Command(parent, "REHASH", 0) +{ + flags_needed = 'o'; + Penalty = 2; + syntax = "[<servermask>]"; +} + +CmdResult CommandRehash::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string param = parameters.size() ? parameters[0] : ""; + + FOREACH_MOD(OnPreRehash, (user, param)); + + if (param.empty()) + { + // standard rehash of local server + } + else if (param.find_first_of("*.") != std::string::npos) + { + // rehash of servers by server name (with wildcard) + if (!InspIRCd::Match(ServerInstance->Config->ServerName, parameters[0])) + { + // Doesn't match us. PreRehash is already done, nothing left to do + return CMD_SUCCESS; + } + } + else + { + // parameterized rehash + + // the leading "-" is optional; remove it if present. + if (param[0] == '-') + param.erase(param.begin()); + + FOREACH_MOD(OnModuleRehash, (user, param)); + return CMD_SUCCESS; + } + + // Rehash for me. Try to start the rehash thread + if (!ServerInstance->ConfigThread) + { + std::string m = user->nick + " is rehashing config file " + FileSystem::GetFileName(ServerInstance->ConfigFileName) + " on " + ServerInstance->Config->ServerName; + ServerInstance->SNO->WriteGlobalSno('a', m); + + if (IS_LOCAL(user)) + user->WriteNumeric(RPL_REHASHING, "%s :Rehashing", FileSystem::GetFileName(ServerInstance->ConfigFileName).c_str()); + else + ServerInstance->PI->SendUserNotice(user, "*** Rehashing server " + FileSystem::GetFileName(ServerInstance->ConfigFileName)); + + /* Don't do anything with the logs here -- logs are restarted + * after the config thread has completed. + */ + ServerInstance->Rehash(user->uuid); + } + else + { + /* + * A rehash is already in progress! ahh shit. + * XXX, todo: we should find some way to kill runaway rehashes that are blocking, this is a major problem for unrealircd users + */ + if (IS_LOCAL(user)) + user->WriteNotice("*** Could not rehash: A rehash is already in progress."); + else + ServerInstance->PI->SendUserNotice(user, "*** Could not rehash: A rehash is already in progress."); + } + + // Always return success so spanningtree forwards an incoming REHASH even if we failed + return CMD_SUCCESS; +} diff --git a/src/coremods/core_oper/cmd_restart.cpp b/src/coremods/core_oper/cmd_restart.cpp new file mode 100644 index 000000000..4fad752a2 --- /dev/null +++ b/src/coremods/core_oper/cmd_restart.cpp @@ -0,0 +1,64 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_oper.h" + +CommandRestart::CommandRestart(Module* parent) + : Command(parent, "RESTART", 1, 1) +{ + flags_needed = 'o'; + syntax = "<password>"; +} + +CmdResult CommandRestart::Handle (const std::vector<std::string>& parameters, User *user) +{ + ServerInstance->Logs->Log("COMMAND", LOG_DEFAULT, "Restart: %s",user->nick.c_str()); + if (DieRestart::CheckPass(user, parameters[0], "restartpass")) + { + ServerInstance->SNO->WriteGlobalSno('a', "RESTART command from %s, restarting server.", user->GetFullRealHost().c_str()); + + ServerInstance->SendError("Server restarting."); + +#ifndef _WIN32 + /* XXX: This hack sets FD_CLOEXEC on all possible file descriptors, so they're closed if the execv() below succeeds. + * Certainly, this is not a nice way to do things and it's slow when the fd limit is high. + * + * A better solution would be to set the close-on-exec flag for each fd we create (or create them with O_CLOEXEC), + * however there is no guarantee that third party libs will do the same. + */ + for (int i = getdtablesize(); --i > 2;) + { + int flags = fcntl(i, F_GETFD); + if (flags != -1) + fcntl(i, F_SETFD, flags | FD_CLOEXEC); + } +#endif + + execv(ServerInstance->Config->cmdline.argv[0], ServerInstance->Config->cmdline.argv); + ServerInstance->SNO->WriteGlobalSno('a', "Failed RESTART - could not execute '%s' (%s)", + ServerInstance->Config->cmdline.argv[0], strerror(errno)); + } + else + { + ServerInstance->SNO->WriteGlobalSno('a', "Failed RESTART Command from %s.", user->GetFullRealHost().c_str()); + } + return CMD_FAILURE; +} diff --git a/src/coremods/core_oper/core_oper.cpp b/src/coremods/core_oper/core_oper.cpp new file mode 100644 index 000000000..0fc82df8f --- /dev/null +++ b/src/coremods/core_oper/core_oper.cpp @@ -0,0 +1,55 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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 "core_oper.h" + +namespace DieRestart +{ + bool CheckPass(User* user, const std::string& inputpass, const char* confentry) + { + ConfigTag* tag = ServerInstance->Config->ConfValue("power"); + // The hash method for *BOTH* the die and restart passwords + const std::string hash = tag->getString("hash"); + const std::string correctpass = tag->getString(confentry); + return ServerInstance->PassCompare(user, correctpass, inputpass, hash); + } +} + +class CoreModOper : public Module +{ + CommandDie cmddie; + CommandKill cmdkill; + CommandOper cmdoper; + CommandRehash cmdrehash; + CommandRestart cmdrestart; + + public: + CoreModOper() + : cmddie(this), cmdkill(this), cmdoper(this), cmdrehash(this), cmdrestart(this) + { + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides the DIE, KILL, OPER, REHASH, and RESTART commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModOper) diff --git a/src/coremods/core_oper/core_oper.h b/src/coremods/core_oper/core_oper.h new file mode 100644 index 000000000..3b3dfd4b2 --- /dev/null +++ b/src/coremods/core_oper/core_oper.h @@ -0,0 +1,124 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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/>. + */ + + +#pragma once + +#include "inspircd.h" + +namespace DieRestart +{ + /** Checks a die or restart password + * @param user The user executing /DIE or /RESTART + * @param inputpass The password given by the user + * @param confkey The name of the key in the power tag containing the correct password + * @return True if the given password was correct, false if it was not + */ + bool CheckPass(User* user, const std::string& inputpass, const char* confkey); +} + +/** Handle /DIE. + */ +class CommandDie : public Command +{ + public: + /** Constructor for die. + */ + CommandDie(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /KILL. + */ +class CommandKill : public Command +{ + std::string lastuuid; + std::string killreason; + + public: + /** Constructor for kill. + */ + CommandKill(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); + + void EncodeParameter(std::string& param, int index); +}; + +/** Handle /OPER. + */ +class CommandOper : public SplitCommand +{ + public: + /** Constructor for oper. + */ + CommandOper(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user); +}; + +/** Handle /REHASH. + */ +class CommandRehash : public Command +{ + public: + /** Constructor for rehash. + */ + CommandRehash(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +/** Handle /RESTART + */ +class CommandRestart : public Command +{ + public: + /** Constructor for restart. + */ + CommandRestart(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; diff --git a/src/coremods/core_privmsg.cpp b/src/coremods/core_privmsg.cpp new file mode 100644 index 000000000..34527027c --- /dev/null +++ b/src/coremods/core_privmsg.cpp @@ -0,0 +1,296 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007 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" + +namespace +{ + const char* MessageTypeString[] = { "PRIVMSG", "NOTICE" }; +} + +class MessageCommandBase : public Command +{ + ChanModeReference moderatedmode; + ChanModeReference noextmsgmode; + + /** Send a PRIVMSG or NOTICE message to all local users from the given user + * @param user User sending the message + * @param msg The message to send + * @param mt Type of the message (MSG_PRIVMSG or MSG_NOTICE) + */ + static void SendAll(User* user, const std::string& msg, MessageType mt); + + public: + MessageCommandBase(Module* parent, MessageType mt) + : Command(parent, MessageTypeString[mt], 2, 2) + , moderatedmode(parent, "moderated") + , noextmsgmode(parent, "noextmsg") + { + syntax = "<target>{,<target>} <message>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleMessage(const std::vector<std::string>& parameters, User* user, MessageType mt); + + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) + { + if (IS_LOCAL(user)) + // This is handled by the OnUserMessage hook to split the LoopCall pieces + return ROUTE_LOCALONLY; + else + return ROUTE_MESSAGE(parameters[0]); + } +}; + +void MessageCommandBase::SendAll(User* user, const std::string& msg, MessageType mt) +{ + const std::string message = ":" + user->GetFullHost() + " " + MessageTypeString[mt] + " $* :" + msg; + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i) + { + if ((*i)->registered == REG_ALL) + (*i)->Write(message); + } +} + +CmdResult MessageCommandBase::HandleMessage(const std::vector<std::string>& parameters, User* user, MessageType mt) +{ + User *dest; + Channel *chan; + CUList except_list; + + LocalUser* localuser = IS_LOCAL(user); + if (localuser) + localuser->idle_lastmsg = ServerInstance->Time(); + + if (CommandParser::LoopCall(user, this, parameters, 0)) + return CMD_SUCCESS; + + if (parameters[0][0] == '$') + { + if (!user->HasPrivPermission("users/mass-message")) + return CMD_SUCCESS; + + ModResult MOD_RESULT; + std::string temp = parameters[1]; + FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, except_list, mt)); + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + + const char* text = temp.c_str(); + const char* servermask = (parameters[0].c_str()) + 1; + + FOREACH_MOD(OnText, (user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list)); + if (InspIRCd::Match(ServerInstance->Config->ServerName, servermask, NULL)) + { + SendAll(user, text, mt); + } + FOREACH_MOD(OnUserMessage, (user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list, mt)); + return CMD_SUCCESS; + } + char status = 0; + const char* target = parameters[0].c_str(); + + if (ServerInstance->Modes->FindPrefix(*target)) + { + status = *target; + target++; + } + if (*target == '#') + { + chan = ServerInstance->FindChan(target); + + except_list.insert(user); + + if (chan) + { + if (localuser && chan->GetPrefixValue(user) < VOICE_VALUE) + { + if (chan->IsModeSet(noextmsgmode) && !chan->HasUser(user)) + { + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (no external messages)", chan->name.c_str()); + return CMD_FAILURE; + } + + if (chan->IsModeSet(moderatedmode)) + { + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (+m)", chan->name.c_str()); + return CMD_FAILURE; + } + + if (ServerInstance->Config->RestrictBannedUsers) + { + if (chan->IsBanned(user)) + { + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str()); + return CMD_FAILURE; + } + } + } + ModResult MOD_RESULT; + + std::string temp = parameters[1]; + FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, chan, TYPE_CHANNEL, temp, status, except_list, mt)); + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + + const char* text = temp.c_str(); + + /* Check again, a module may have zapped the input string */ + if (temp.empty()) + { + user->WriteNumeric(ERR_NOTEXTTOSEND, ":No text to send"); + return CMD_FAILURE; + } + + FOREACH_MOD(OnText, (user,chan,TYPE_CHANNEL,text,status,except_list)); + + if (status) + { + if (ServerInstance->Config->UndernetMsgPrefix) + { + chan->WriteAllExcept(user, false, status, except_list, "%s %c%s :%c %s", MessageTypeString[mt], status, chan->name.c_str(), status, text); + } + else + { + chan->WriteAllExcept(user, false, status, except_list, "%s %c%s :%s", MessageTypeString[mt], status, chan->name.c_str(), text); + } + } + else + { + chan->WriteAllExcept(user, false, status, except_list, "%s %s :%s", MessageTypeString[mt], chan->name.c_str(), text); + } + + FOREACH_MOD(OnUserMessage, (user,chan, TYPE_CHANNEL, text, status, except_list, mt)); + } + else + { + /* no such nick/channel */ + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target); + return CMD_FAILURE; + } + return CMD_SUCCESS; + } + + const char* destnick = parameters[0].c_str(); + + if (localuser) + { + const char* targetserver = strchr(destnick, '@'); + + if (targetserver) + { + std::string nickonly; + + nickonly.assign(destnick, 0, targetserver - destnick); + dest = ServerInstance->FindNickOnly(nickonly); + if (dest && strcasecmp(dest->server->GetName().c_str(), targetserver + 1)) + { + /* Incorrect server for user */ + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; + } + } + else + dest = ServerInstance->FindNickOnly(destnick); + } + else + dest = ServerInstance->FindNick(destnick); + + if ((dest) && (dest->registered == REG_ALL)) + { + if (parameters[1].empty()) + { + user->WriteNumeric(ERR_NOTEXTTOSEND, ":No text to send"); + return CMD_FAILURE; + } + + if ((dest->IsAway()) && (mt == MSG_PRIVMSG)) + { + /* auto respond with aweh msg */ + user->WriteNumeric(RPL_AWAY, "%s :%s", dest->nick.c_str(), dest->awaymsg.c_str()); + } + + ModResult MOD_RESULT; + + std::string temp = parameters[1]; + FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, dest, TYPE_USER, temp, 0, except_list, mt)); + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + + const char* text = temp.c_str(); + + FOREACH_MOD(OnText, (user, dest, TYPE_USER, text, 0, except_list)); + + if (IS_LOCAL(dest)) + { + // direct write, same server + dest->WriteFrom(user, "%s %s :%s", MessageTypeString[mt], dest->nick.c_str(), text); + } + + FOREACH_MOD(OnUserMessage, (user, dest, TYPE_USER, text, 0, except_list, mt)); + } + else + { + /* no such nick/channel */ + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; + } + return CMD_SUCCESS; +} + +template<MessageType MT> +class CommandMessage : public MessageCommandBase +{ + public: + CommandMessage(Module* parent) + : MessageCommandBase(parent, MT) + { + } + + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + return HandleMessage(parameters, user, MT); + } +}; + +class ModuleCoreMessage : public Module +{ + CommandMessage<MSG_PRIVMSG> CommandPrivmsg; + CommandMessage<MSG_NOTICE> CommandNotice; + + public: + ModuleCoreMessage() + : CommandPrivmsg(this), CommandNotice(this) + { + } + + Version GetVersion() + { + return Version("PRIVMSG, NOTICE", VF_CORE|VF_VENDOR); + } +}; + +MODULE_INIT(ModuleCoreMessage) diff --git a/src/coremods/core_reloadmodule.cpp b/src/coremods/core_reloadmodule.cpp new file mode 100644 index 000000000..7f0f15e77 --- /dev/null +++ b/src/coremods/core_reloadmodule.cpp @@ -0,0 +1,78 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +class CommandReloadmodule : public Command +{ + public: + /** Constructor for reloadmodule. + */ + CommandReloadmodule ( Module* parent) : Command( parent, "RELOADMODULE",1) { flags_needed = 'o'; syntax = "<modulename>"; } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +class ReloadModuleWorker : public HandlerBase1<void, bool> +{ + public: + const std::string name; + const std::string uid; + ReloadModuleWorker(const std::string& uuid, const std::string& modn) + : name(modn), uid(uuid) {} + void Call(bool result) + { + ServerInstance->SNO->WriteGlobalSno('a', "RELOAD MODULE: %s %ssuccessfully reloaded", + name.c_str(), result ? "" : "un"); + User* user = ServerInstance->FindNick(uid); + if (user) + user->WriteNumeric(RPL_LOADEDMODULE, "%s :Module %ssuccessfully reloaded.", + name.c_str(), result ? "" : "un"); + ServerInstance->GlobalCulls.AddItem(this); + } +}; + +CmdResult CommandReloadmodule::Handle (const std::vector<std::string>& parameters, User *user) +{ + Module* m = ServerInstance->Modules->Find(parameters[0]); + if (m == creator) + { + user->WriteNumeric(RPL_LOADEDMODULE, "%s :You cannot reload core_reloadmodule.so (unload and load it)", + parameters[0].c_str()); + return CMD_FAILURE; + } + + if (m) + { + ServerInstance->Modules->Reload(m, (creator->dying ? NULL : new ReloadModuleWorker(user->uuid, parameters[0]))); + return CMD_SUCCESS; + } + else + { + user->WriteNumeric(RPL_LOADEDMODULE, "%s :Could not find module by that name", parameters[0].c_str()); + return CMD_FAILURE; + } +} + +COMMAND_INIT(CommandReloadmodule) diff --git a/src/coremods/core_stats.cpp b/src/coremods/core_stats.cpp new file mode 100644 index 000000000..180ece9b3 --- /dev/null +++ b/src/coremods/core_stats.cpp @@ -0,0 +1,399 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007 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 "xline.h" + +#ifdef _WIN32 +#include <psapi.h> +#pragma comment(lib, "psapi.lib") // For GetProcessMemoryInfo() +#endif + +/** Handle /STATS. + */ +class CommandStats : public Command +{ + void DoStats(char statschar, User* user, string_list &results); + public: + /** Constructor for stats. + */ + CommandStats ( Module* parent) : Command(parent,"STATS",1,2) { syntax = "<stats-symbol> [<servername>]"; } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) + { + if (parameters.size() > 1) + return ROUTE_UNICAST(parameters[1]); + return ROUTE_LOCALONLY; + } +}; + +static void GenerateStatsLl(User* user, string_list& results, char c) +{ + results.push_back(InspIRCd::Format("211 %s nick[ident@%s] sendq cmds_out bytes_out cmds_in bytes_in time_open", user->nick.c_str(), (c == 'l' ? "host" : "ip"))); + + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i) + { + LocalUser* u = *i; + results.push_back("211 "+user->nick+" "+u->nick+"["+u->ident+"@"+(c == 'l' ? u->dhost : u->GetIPString())+"] "+ConvToStr(u->eh.getSendQSize())+" "+ConvToStr(u->cmds_out)+" "+ConvToStr(u->bytes_out)+" "+ConvToStr(u->cmds_in)+" "+ConvToStr(u->bytes_in)+" "+ConvToStr(ServerInstance->Time() - u->signon)); + } +} + +void CommandStats::DoStats(char statschar, User* user, string_list &results) +{ + bool isPublic = ServerInstance->Config->UserStats.find(statschar) != std::string::npos; + bool isRemoteOper = IS_REMOTE(user) && (user->IsOper()); + bool isLocalOperWithPrivs = IS_LOCAL(user) && user->HasPrivPermission("servers/auspex"); + + if (!isPublic && !isRemoteOper && !isLocalOperWithPrivs) + { + ServerInstance->SNO->WriteToSnoMask('t', + "%s '%c' denied for %s (%s@%s)", + (IS_LOCAL(user) ? "Stats" : "Remote stats"), + statschar, user->nick.c_str(), user->ident.c_str(), user->host.c_str()); + results.push_back("481 " + user->nick + " :Permission Denied - STATS " + statschar + " requires the servers/auspex priv."); + return; + } + + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnStats, MOD_RESULT, (statschar, user, results)); + if (MOD_RESULT == MOD_RES_DENY) + { + results.push_back("219 "+user->nick+" "+statschar+" :End of /STATS report"); + ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)", + (IS_LOCAL(user) ? "Stats" : "Remote stats"), statschar, user->nick.c_str(), user->ident.c_str(), user->host.c_str()); + return; + } + + switch (statschar) + { + /* stats p (show listening ports) */ + case 'p': + { + for (std::vector<ListenSocket*>::const_iterator i = ServerInstance->ports.begin(); i != ServerInstance->ports.end(); ++i) + { + ListenSocket* ls = *i; + std::string ip = ls->bind_addr; + if (ip.empty()) + ip.assign("*"); + std::string type = ls->bind_tag->getString("type", "clients"); + std::string hook = ls->bind_tag->getString("ssl", "plaintext"); + + results.push_back("249 "+user->nick+" :"+ ip + ":"+ConvToStr(ls->bind_port)+ + " (" + type + ", " + hook + ")"); + } + } + break; + + /* These stats symbols must be handled by a linking module */ + case 'n': + case 'c': + break; + + case 'i': + { + for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i) + { + ConnectClass* c = *i; + std::stringstream res; + res << "215 " << user->nick << " I " << c->name << ' '; + if (c->type == CC_ALLOW) + res << '+'; + if (c->type == CC_DENY) + res << '-'; + + if (c->type == CC_NAMED) + res << '*'; + else + res << c->host; + + res << ' ' << c->config->getString("port", "*") << ' '; + + res << c->GetRecvqMax() << ' ' << c->GetSendqSoftMax() << ' ' << c->GetSendqHardMax() + << ' ' << c->GetCommandRate() << ' ' << c->GetPenaltyThreshold(); + if (c->fakelag) + res << '*'; + results.push_back(res.str()); + } + } + break; + + case 'Y': + { + int idx = 0; + for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++) + { + ConnectClass* c = *i; + results.push_back("215 "+user->nick+" i NOMATCH * "+c->GetHost()+" "+ConvToStr(c->limit ? c->limit : SocketEngine::GetMaxFds())+" "+ConvToStr(idx)+" "+ServerInstance->Config->ServerName+" *"); + results.push_back("218 "+user->nick+" Y "+ConvToStr(idx)+" "+ConvToStr(c->GetPingTime())+" 0 "+ConvToStr(c->GetSendqHardMax())+" :"+ + ConvToStr(c->GetRecvqMax())+" "+ConvToStr(c->GetRegTimeout())); + idx++; + } + } + break; + + case 'P': + { + unsigned int idx = 0; + const UserManager::OperList& opers = ServerInstance->Users->all_opers; + for (UserManager::OperList::const_iterator i = opers.begin(); i != opers.end(); ++i) + { + User* oper = *i; + if (!oper->server->IsULine()) + { + LocalUser* lu = IS_LOCAL(oper); + results.push_back("249 " + user->nick + " :" + oper->nick + " (" + oper->ident + "@" + oper->dhost + ") Idle: " + + (lu ? ConvToStr(ServerInstance->Time() - lu->idle_lastmsg) + " secs" : "unavailable")); + idx++; + } + } + results.push_back("249 "+user->nick+" :"+ConvToStr(idx)+" OPER(s)"); + } + break; + + case 'k': + ServerInstance->XLines->InvokeStats("K",216,user,results); + break; + case 'g': + ServerInstance->XLines->InvokeStats("G",223,user,results); + break; + case 'q': + ServerInstance->XLines->InvokeStats("Q",217,user,results); + break; + case 'Z': + ServerInstance->XLines->InvokeStats("Z",223,user,results); + break; + case 'e': + ServerInstance->XLines->InvokeStats("E",223,user,results); + break; + case 'E': + { + const SocketEngine::Statistics& stats = SocketEngine::GetStats(); + results.push_back("249 "+user->nick+" :Total events: "+ConvToStr(stats.TotalEvents)); + results.push_back("249 "+user->nick+" :Read events: "+ConvToStr(stats.ReadEvents)); + results.push_back("249 "+user->nick+" :Write events: "+ConvToStr(stats.WriteEvents)); + results.push_back("249 "+user->nick+" :Error events: "+ConvToStr(stats.ErrorEvents)); + break; + } + + /* stats m (list number of times each command has been used, plus bytecount) */ + case 'm': + { + const CommandParser::CommandMap& commands = ServerInstance->Parser.GetCommands(); + for (CommandParser::CommandMap::const_iterator i = commands.begin(); i != commands.end(); ++i) + { + if (i->second->use_count) + { + /* RPL_STATSCOMMANDS */ + results.push_back("212 "+user->nick+" "+i->second->name+" "+ConvToStr(i->second->use_count)); + } + } + } + break; + + /* stats z (debug and memory info) */ + case 'z': + { + results.push_back("249 "+user->nick+" :Users: "+ConvToStr(ServerInstance->Users->GetUsers().size())); + results.push_back("249 "+user->nick+" :Channels: "+ConvToStr(ServerInstance->GetChans().size())); + results.push_back("249 "+user->nick+" :Commands: "+ConvToStr(ServerInstance->Parser.GetCommands().size())); + + float kbitpersec_in, kbitpersec_out, kbitpersec_total; + char kbitpersec_in_s[30], kbitpersec_out_s[30], kbitpersec_total_s[30]; + + SocketEngine::GetStats().GetBandwidth(kbitpersec_in, kbitpersec_out, kbitpersec_total); + + snprintf(kbitpersec_total_s, 30, "%03.5f", kbitpersec_total); + snprintf(kbitpersec_out_s, 30, "%03.5f", kbitpersec_out); + snprintf(kbitpersec_in_s, 30, "%03.5f", kbitpersec_in); + + results.push_back("249 "+user->nick+" :Bandwidth total: "+ConvToStr(kbitpersec_total_s)+" kilobits/sec"); + results.push_back("249 "+user->nick+" :Bandwidth out: "+ConvToStr(kbitpersec_out_s)+" kilobits/sec"); + results.push_back("249 "+user->nick+" :Bandwidth in: "+ConvToStr(kbitpersec_in_s)+" kilobits/sec"); + +#ifndef _WIN32 + /* Moved this down here so all the not-windows stuff (look w00tie, I didn't say win32!) is in one ifndef. + * Also cuts out some identical code in both branches of the ifndef. -- Om + */ + rusage R; + + /* Not sure why we were doing '0' with a RUSAGE_SELF comment rather than just using RUSAGE_SELF -- Om */ + if (!getrusage(RUSAGE_SELF,&R)) /* RUSAGE_SELF */ + { + results.push_back("249 "+user->nick+" :Total allocation: "+ConvToStr(R.ru_maxrss)+"K"); + results.push_back("249 "+user->nick+" :Signals: "+ConvToStr(R.ru_nsignals)); + results.push_back("249 "+user->nick+" :Page faults: "+ConvToStr(R.ru_majflt)); + results.push_back("249 "+user->nick+" :Swaps: "+ConvToStr(R.ru_nswap)); + results.push_back("249 "+user->nick+" :Context Switches: Voluntary; "+ConvToStr(R.ru_nvcsw)+" Involuntary; "+ConvToStr(R.ru_nivcsw)); + + char percent[30]; + + float n_elapsed = (ServerInstance->Time() - ServerInstance->stats.LastSampled.tv_sec) * 1000000 + + (ServerInstance->Time_ns() - ServerInstance->stats.LastSampled.tv_nsec) / 1000; + float n_eaten = ((R.ru_utime.tv_sec - ServerInstance->stats.LastCPU.tv_sec) * 1000000 + R.ru_utime.tv_usec - ServerInstance->stats.LastCPU.tv_usec); + float per = (n_eaten / n_elapsed) * 100; + + snprintf(percent, 30, "%03.5f%%", per); + results.push_back("249 "+user->nick+" :CPU Use (now): "+percent); + + n_elapsed = ServerInstance->Time() - ServerInstance->startup_time; + n_eaten = (float)R.ru_utime.tv_sec + R.ru_utime.tv_usec / 100000.0; + per = (n_eaten / n_elapsed) * 100; + snprintf(percent, 30, "%03.5f%%", per); + results.push_back("249 "+user->nick+" :CPU Use (total): "+percent); + } +#else + PROCESS_MEMORY_COUNTERS MemCounters; + if (GetProcessMemoryInfo(GetCurrentProcess(), &MemCounters, sizeof(MemCounters))) + { + results.push_back("249 "+user->nick+" :Total allocation: "+ConvToStr((MemCounters.WorkingSetSize + MemCounters.PagefileUsage) / 1024)+"K"); + results.push_back("249 "+user->nick+" :Pagefile usage: "+ConvToStr(MemCounters.PagefileUsage / 1024)+"K"); + results.push_back("249 "+user->nick+" :Page faults: "+ConvToStr(MemCounters.PageFaultCount)); + } + + FILETIME CreationTime; + FILETIME ExitTime; + FILETIME KernelTime; + FILETIME UserTime; + LARGE_INTEGER ThisSample; + if(GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime) && + QueryPerformanceCounter(&ThisSample)) + { + KernelTime.dwHighDateTime += UserTime.dwHighDateTime; + KernelTime.dwLowDateTime += UserTime.dwLowDateTime; + double n_eaten = (double)( ( (uint64_t)(KernelTime.dwHighDateTime - ServerInstance->stats.LastCPU.dwHighDateTime) << 32 ) + (uint64_t)(KernelTime.dwLowDateTime - ServerInstance->stats.LastCPU.dwLowDateTime) )/100000; + double n_elapsed = (double)(ThisSample.QuadPart - ServerInstance->stats.LastSampled.QuadPart) / ServerInstance->stats.QPFrequency.QuadPart; + double per = (n_eaten/n_elapsed); + + char percent[30]; + + snprintf(percent, 30, "%03.5f%%", per); + results.push_back("249 "+user->nick+" :CPU Use (now): "+percent); + + n_elapsed = ServerInstance->Time() - ServerInstance->startup_time; + n_eaten = (double)(( (uint64_t)(KernelTime.dwHighDateTime) << 32 ) + (uint64_t)(KernelTime.dwLowDateTime))/100000; + per = (n_eaten / n_elapsed); + snprintf(percent, 30, "%03.5f%%", per); + results.push_back("249 "+user->nick+" :CPU Use (total): "+percent); + } +#endif + } + break; + + case 'T': + { + results.push_back("249 "+user->nick+" :accepts "+ConvToStr(ServerInstance->stats.Accept)+" refused "+ConvToStr(ServerInstance->stats.Refused)); + results.push_back("249 "+user->nick+" :unknown commands "+ConvToStr(ServerInstance->stats.Unknown)); + results.push_back("249 "+user->nick+" :nick collisions "+ConvToStr(ServerInstance->stats.Collisions)); + results.push_back("249 "+user->nick+" :dns requests "+ConvToStr(ServerInstance->stats.DnsGood+ServerInstance->stats.DnsBad)+" succeeded "+ConvToStr(ServerInstance->stats.DnsGood)+" failed "+ConvToStr(ServerInstance->stats.DnsBad)); + results.push_back("249 "+user->nick+" :connection count "+ConvToStr(ServerInstance->stats.Connects)); + results.push_back(InspIRCd::Format("249 %s :bytes sent %5.2fK recv %5.2fK", user->nick.c_str(), + ServerInstance->stats.Sent / 1024.0, ServerInstance->stats.Recv / 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 (ServerConfig::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': + /* stats L (show user I/O stats with IP addresses) */ + case 'L': + GenerateStatsLl(user, results, statschar); + break; + + /* stats u (show server uptime) */ + case 'u': + { + unsigned int up = static_cast<unsigned int>(ServerInstance->Time() - ServerInstance->startup_time); + results.push_back(InspIRCd::Format("242 %s :Server up %u days, %.2u:%.2u:%.2u", user->nick.c_str(), + up / 86400, (up / 3600) % 24, (up / 60) % 60, up % 60)); + } + break; + + default: + break; + } + + results.push_back("219 "+user->nick+" "+statschar+" :End of /STATS report"); + ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)", + (IS_LOCAL(user) ? "Stats" : "Remote stats"), statschar, user->nick.c_str(), user->ident.c_str(), user->host.c_str()); + return; +} + +CmdResult CommandStats::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() > 1 && parameters[1] != ServerInstance->Config->ServerName) + { + // Give extra penalty if a non-oper does /STATS <remoteserver> + LocalUser* localuser = IS_LOCAL(user); + if ((localuser) && (!user->IsOper())) + localuser->CommandFloodPenalty += 2000; + return CMD_SUCCESS; + } + string_list values; + char search = parameters[0][0]; + DoStats(search, user, values); + + const std::string p = ":" + ServerInstance->Config->ServerName + " "; + for (size_t i = 0; i < values.size(); i++) + user->SendText(p + values[i]); + + return CMD_SUCCESS; +} + +COMMAND_INIT(CommandStats) diff --git a/src/coremods/core_stub.cpp b/src/coremods/core_stub.cpp new file mode 100644 index 000000000..28adb9e6a --- /dev/null +++ b/src/coremods/core_stub.cpp @@ -0,0 +1,156 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + + +/** Handle /CONNECT. + */ +class CommandConnect : public Command +{ + public: + /** Constructor for connect. + */ + CommandConnect(Module* parent) + : Command(parent, "CONNECT", 1) + { + flags_needed = 'o'; + syntax = "<servername>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + /* + * This is handled by the server linking module, if necessary. Do not remove this stub. + */ + user->WriteServ( "NOTICE %s :Look into loading a linking module (like m_spanningtree) if you want this to do anything useful.", user->nick.c_str()); + return CMD_SUCCESS; + } +}; + +/** Handle /LINKS. + */ +class CommandLinks : public Command +{ + public: + /** Constructor for links. + */ + CommandLinks(Module* parent) + : Command(parent, "LINKS", 0, 0) + { + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + user->WriteNumeric(RPL_LINKS, "%s %s :0 %s", ServerInstance->Config->ServerName.c_str(),ServerInstance->Config->ServerName.c_str(),ServerInstance->Config->ServerDesc.c_str()); + user->WriteNumeric(RPL_ENDOFLINKS, "* :End of /LINKS list."); + return CMD_SUCCESS; + } +}; + +/** Handle /SERVER. + */ +class CommandServer : public Command +{ + public: + /** Constructor for server. + */ + CommandServer(Module* parent) + : Command(parent, "SERVER") + { + works_before_reg = true; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + if (user->registered == REG_ALL) + { + user->WriteNumeric(ERR_ALREADYREGISTERED, ":You are already registered. (Perhaps your IRC client does not have a /SERVER command)."); + } + else + { + user->WriteNumeric(ERR_NOTREGISTERED, "SERVER :You may not register as a server (servers have separate ports from clients, change your config)"); + } + return CMD_FAILURE; + } +}; + +/** Handle /SQUIT. + */ +class CommandSquit : public Command +{ + public: + /** Constructor for squit. + */ + CommandSquit(Module* parent) + : Command(parent, "SQUIT", 1, 2) + { + flags_needed = 'o'; + syntax = "<servername>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + user->WriteServ("NOTICE %s :Look into loading a linking module (like m_spanningtree) if you want this to do anything useful.", user->nick.c_str()); + return CMD_FAILURE; + } +}; + +class CoreModStub : public Module +{ + CommandConnect cmdconnect; + CommandLinks cmdlinks; + CommandServer cmdserver; + CommandSquit cmdsquit; + + public: + CoreModStub() + : cmdconnect(this), cmdlinks(this), cmdserver(this), cmdsquit(this) + { + } + + Version GetVersion() + { + return Version("Provides the stub commands CONNECT, LINKS, SERVER and SQUIT", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModStub) diff --git a/src/coremods/core_user/cmd_away.cpp b/src/coremods/core_user/cmd_away.cpp new file mode 100644 index 000000000..adc6e6c18 --- /dev/null +++ b/src/coremods/core_user/cmd_away.cpp @@ -0,0 +1,65 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_user.h" + +CommandAway::CommandAway(Module* parent) + : Command(parent, "AWAY", 0, 0) +{ + syntax = "[<message>]"; +} + +/** Handle /AWAY + */ +CmdResult CommandAway::Handle (const std::vector<std::string>& parameters, User *user) +{ + ModResult MOD_RESULT; + + if ((parameters.size()) && (!parameters[0].empty())) + { + FIRST_MOD_RESULT(OnSetAway, MOD_RESULT, (user, parameters[0])); + + if (MOD_RESULT == MOD_RES_DENY && IS_LOCAL(user)) + return CMD_FAILURE; + + user->awaytime = ServerInstance->Time(); + user->awaymsg.assign(parameters[0], 0, ServerInstance->Config->Limits.MaxAway); + + user->WriteNumeric(RPL_NOWAWAY, ":You have been marked as being away"); + } + else + { + FIRST_MOD_RESULT(OnSetAway, MOD_RESULT, (user, "")); + + if (MOD_RESULT == MOD_RES_DENY && IS_LOCAL(user)) + return CMD_FAILURE; + + user->awaymsg.clear(); + user->WriteNumeric(RPL_UNAWAY, ":You are no longer marked as being away"); + } + + return CMD_SUCCESS; +} + +RouteDescriptor CommandAway::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} diff --git a/src/coremods/core_user/cmd_mode.cpp b/src/coremods/core_user/cmd_mode.cpp new file mode 100644 index 000000000..190983d13 --- /dev/null +++ b/src/coremods/core_user/cmd_mode.cpp @@ -0,0 +1,163 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net> + * Copyright (C) 2004-2008 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 "core_user.h" + +CommandMode::CommandMode(Module* parent) + : Command(parent, "MODE", 1) + , seq(0) +{ + syntax = "<target> <modes> {<mode-parameters>}"; + memset(&sent, 0, sizeof(sent)); +} + +CmdResult CommandMode::Handle(const std::vector<std::string>& parameters, User* user) +{ + const std::string& target = parameters[0]; + Channel* targetchannel = ServerInstance->FindChan(target); + User* targetuser = NULL; + if (!targetchannel) + { + if (IS_LOCAL(user)) + targetuser = ServerInstance->FindNickOnly(target); + else + targetuser = ServerInstance->FindNick(target); + } + + if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser)))) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target.c_str()); + return CMD_FAILURE; + } + if (parameters.size() == 1) + { + this->DisplayCurrentModes(user, targetuser, targetchannel); + return CMD_SUCCESS; + } + + // Populate a temporary Modes::ChangeList with the parameters + Modes::ChangeList changelist; + ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER; + ServerInstance->Modes.ModeParamsToChangeList(user, type, parameters, changelist); + + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, changelist)); + + ModeParser::ModeProcessFlag flags = ModeParser::MODE_NONE; + if (IS_LOCAL(user)) + { + if (MOD_RESULT == MOD_RES_PASSTHRU) + { + if ((targetuser) && (user != targetuser)) + { + // Local users may only change the modes of other users if a module explicitly allows it + user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't change mode for other users"); + return CMD_FAILURE; + } + + // This is a mode change by a local user and modules didn't explicitly allow/deny. + // Ensure access checks will happen for each mode being changed. + flags |= ModeParser::MODE_CHECKACCESS; + } + else if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; // Entire mode change denied by a module + } + else + flags |= ModeParser::MODE_LOCALONLY; + + if (IS_LOCAL(user)) + ServerInstance->Modes->ProcessSingle(user, targetchannel, targetuser, changelist, flags); + else + ServerInstance->Modes->Process(user, targetchannel, targetuser, changelist, flags); + + if ((ServerInstance->Modes.GetLastParse().empty()) && (targetchannel) && (parameters.size() == 2)) + { + /* Special case for displaying the list for listmodes, + * e.g. MODE #chan b, or MODE #chan +b without a parameter + */ + this->DisplayListModes(user, targetchannel, parameters[1]); + } + + return CMD_SUCCESS; +} + +RouteDescriptor CommandMode::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} + +void CommandMode::DisplayListModes(User* user, Channel* chan, const std::string& mode_sequence) +{ + seq++; + + for (std::string::const_iterator i = mode_sequence.begin(); i != mode_sequence.end(); ++i) + { + unsigned char mletter = *i; + if (mletter == '+') + continue; + + ModeHandler* mh = ServerInstance->Modes->FindMode(mletter, MODETYPE_CHANNEL); + if (!mh || !mh->IsListMode()) + return; + + /* Ensure the user doesnt request the same mode twice, + * so they can't flood themselves off out of idiocy. + */ + if (sent[mletter] == seq) + continue; + + sent[mletter] = seq; + ServerInstance->Modes.ShowListModeList(user, chan, mh); + } +} + +void CommandMode::DisplayCurrentModes(User* user, User* targetuser, Channel* targetchannel) +{ + if (targetchannel) + { + // Display channel's current mode string + user->WriteNumeric(RPL_CHANNELMODEIS, "%s +%s", targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user))); + user->WriteNumeric(RPL_CHANNELCREATED, "%s %lu", targetchannel->name.c_str(), (unsigned long)targetchannel->age); + } + else + { + if (targetuser == user || user->HasPrivPermission("users/auspex")) + { + // Display user's current mode string + // XXX: Use WriteServ() because WriteNumeric() assumes the target (i.e. next word after the number) + // is 'user' and puts his nick there which is not what we want + user->WriteServ("%03d %s :+%s", RPL_UMODEIS, targetuser->nick.c_str(), targetuser->FormatModes()); + if (targetuser->IsOper()) + { + ModeHandler* snomask = ServerInstance->Modes->FindMode('s', MODETYPE_USER); + std::string snomaskstr = snomask->GetUserParameter(user); + // snomaskstr is empty if the snomask mode isn't set, otherwise it begins with a '+'. + // In the former case output a "+", not an empty string. + user->WriteServ("%03d %s %s%s :Server notice mask", RPL_SNOMASKIS, targetuser->nick.c_str(), (snomaskstr.empty() ? "+" : ""), snomaskstr.c_str()); + } + } + else + { + user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't view modes for other users"); + } + } +} diff --git a/src/coremods/core_user/cmd_nick.cpp b/src/coremods/core_user/cmd_nick.cpp new file mode 100644 index 000000000..a62e1c207 --- /dev/null +++ b/src/coremods/core_user/cmd_nick.cpp @@ -0,0 +1,96 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * Copyright (C) 2007-2008 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 "core_user.h" + +CommandNick::CommandNick(Module* parent) + : SplitCommand(parent, "NICK", 1, 1) +{ + works_before_reg = true; + syntax = "<newnick>"; + Penalty = 0; +} + +/** Handle nick changes from users. + * NOTE: If you are used to ircds based on ircd2.8, and are looking + * for the client introduction code in here, youre in the wrong place. + * You need to look in the spanningtree module for this! + */ +CmdResult CommandNick::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user) +{ + std::string oldnick = user->nick; + std::string newnick = parameters[0]; + + // anything except the initial NICK gets a flood penalty + if (user->registered == REG_ALL) + user->CommandFloodPenalty += 4000; + + if (newnick.empty()) + { + user->WriteNumeric(ERR_ERRONEUSNICKNAME, "* :Erroneous Nickname"); + return CMD_FAILURE; + } + + if (newnick == "0") + { + newnick = user->uuid; + } + else if (!ServerInstance->IsNick(newnick)) + { + user->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Erroneous Nickname", newnick.c_str()); + return CMD_FAILURE; + } + + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user, newnick)); + + // If a module denied the change, abort now + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + + // Disallow the nick change if <security:restrictbannedusers> is on and there is a ban matching this user in + // one of the channels they are on + if (ServerInstance->Config->RestrictBannedUsers) + { + for (User::ChanList::iterator i = user->chans.begin(); i != user->chans.end(); ++i) + { + Channel* chan = (*i)->chan; + if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user)) + { + user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str()); + return CMD_FAILURE; + } + } + } + + if (!user->ChangeNick(newnick)) + return CMD_FAILURE; + + if (user->registered < REG_NICKUSER) + { + user->registered = (user->registered | REG_NICK); + return CommandUser::CheckRegister(user); + } + + return CMD_SUCCESS; +} diff --git a/src/coremods/core_user/cmd_part.cpp b/src/coremods/core_user/cmd_part.cpp new file mode 100644 index 000000000..9f82c15a5 --- /dev/null +++ b/src/coremods/core_user/cmd_part.cpp @@ -0,0 +1,63 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 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 "core_user.h" + +CommandPart::CommandPart(Module* parent) + : Command(parent, "PART", 1, 2) +{ + Penalty = 5; + syntax = "<channel>{,<channel>} [<reason>]"; +} + +CmdResult CommandPart::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string reason; + if (parameters.size() > 1) + { + if (IS_LOCAL(user)) + msgwrap.Wrap(parameters[1], reason); + else + reason = parameters[1]; + } + + if (CommandParser::LoopCall(user, this, parameters, 0)) + return CMD_SUCCESS; + + Channel* c = ServerInstance->FindChan(parameters[0]); + + if (c) + { + c->PartUser(user, reason); + } + else + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str()); + return CMD_FAILURE; + } + + return CMD_SUCCESS; +} + +RouteDescriptor CommandPart::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} diff --git a/src/coremods/core_user/cmd_quit.cpp b/src/coremods/core_user/cmd_quit.cpp new file mode 100644 index 000000000..c4e127dd8 --- /dev/null +++ b/src/coremods/core_user/cmd_quit.cpp @@ -0,0 +1,50 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_user.h" + +CommandQuit::CommandQuit(Module* parent) + : Command(parent, "QUIT", 0, 1) +{ + works_before_reg = true; + syntax = "[<message>]"; +} + +CmdResult CommandQuit::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string quitmsg; + if (parameters.empty()) + quitmsg = "Client exited"; + else if (IS_LOCAL(user)) + msgwrap.Wrap(parameters[0], quitmsg); + else + quitmsg = parameters[0]; + + std::string* operquit = ServerInstance->OperQuit.get(user); + ServerInstance->Users->QuitUser(user, quitmsg, operquit); + + return CMD_SUCCESS; +} + +RouteDescriptor CommandQuit::GetRouting(User* user, const std::vector<std::string>& parameters) +{ + return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST); +} diff --git a/src/coremods/core_user/cmd_user.cpp b/src/coremods/core_user/cmd_user.cpp new file mode 100644 index 000000000..cbf4f5e08 --- /dev/null +++ b/src/coremods/core_user/cmd_user.cpp @@ -0,0 +1,82 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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 "core_user.h" + +CommandUser::CommandUser(Module* parent) + : SplitCommand(parent, "USER", 4, 4) +{ + works_before_reg = true; + Penalty = 0; + syntax = "<username> <localhost> <remotehost> <GECOS>"; +} + +CmdResult CommandUser::HandleLocal(const std::vector<std::string>& parameters, LocalUser *user) +{ + /* A user may only send the USER command once */ + if (!(user->registered & REG_USER)) + { + if (!ServerInstance->IsIdent(parameters[0])) + { + /* + * RFC says we must use this numeric, so we do. Let's make it a little more nub friendly though. :) + * -- Craig, and then w00t. + */ + user->WriteNumeric(ERR_NEEDMOREPARAMS, "USER :Your username is not valid"); + return CMD_FAILURE; + } + else + { + /* + * The ident field is IDENTMAX+2 in size to account for +1 for the optional + * ~ character, and +1 for null termination, therefore we can safely use up to + * IDENTMAX here. + */ + user->ChangeIdent(parameters[0]); + user->fullname.assign(parameters[3].empty() ? "No info" : parameters[3], 0, ServerInstance->Config->Limits.MaxGecos); + user->registered = (user->registered | REG_USER); + } + } + else + { + user->WriteNumeric(ERR_ALREADYREGISTERED, ":You may not reregister"); + user->CommandFloodPenalty += 1000; + return CMD_FAILURE; + } + + /* parameters 2 and 3 are local and remote hosts, and are ignored */ + return CheckRegister(user); +} + +CmdResult CommandUser::CheckRegister(LocalUser* user) +{ + // If the user is registered, return CMD_SUCCESS/CMD_FAILURE depending on what modules say, otherwise just + // return CMD_SUCCESS without doing anything, knowing the other handler will call us again + if (user->registered == REG_NICKUSER) + { + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserRegister, MOD_RESULT, (user)); + if (MOD_RESULT == MOD_RES_DENY) + return CMD_FAILURE; + } + + return CMD_SUCCESS; +} diff --git a/src/coremods/core_user/core_user.cpp b/src/coremods/core_user/core_user.cpp new file mode 100644 index 000000000..dd778548a --- /dev/null +++ b/src/coremods/core_user/core_user.cpp @@ -0,0 +1,170 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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 "core_user.h" + +/** Handle /PASS. + */ +class CommandPass : public SplitCommand +{ + public: + /** Constructor for pass. + */ + CommandPass(Module* parent) + : SplitCommand(parent, "PASS", 1, 1) + { + works_before_reg = true; + Penalty = 0; + syntax = "<password>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser *user) + { + // Check to make sure they haven't registered -- Fix by FCS + if (user->registered == REG_ALL) + { + user->CommandFloodPenalty += 1000; + user->WriteNumeric(ERR_ALREADYREGISTERED, ":You may not reregister"); + return CMD_FAILURE; + } + user->password = parameters[0]; + + return CMD_SUCCESS; + } +}; + +/** Handle /PING. + */ +class CommandPing : public Command +{ + public: + /** Constructor for ping. + */ + CommandPing(Module* parent) + : Command(parent, "PING", 1, 2) + { + syntax = "<servername> [:<servername>]"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + user->WriteServ("PONG %s :%s", ServerInstance->Config->ServerName.c_str(), parameters[0].c_str()); + return CMD_SUCCESS; + } +}; + +/** Handle /PONG. + */ +class CommandPong : public Command +{ + public: + /** Constructor for pong. + */ + CommandPong(Module* parent) + : Command(parent, "PONG", 0, 1) + { + Penalty = 0; + syntax = "<ping-text>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user) + { + // set the user as alive so they survive to next ping + LocalUser* localuser = IS_LOCAL(user); + if (localuser) + { + // Increase penalty unless we've sent a PING and this is the reply + if (localuser->lastping) + localuser->CommandFloodPenalty += 1000; + else + localuser->lastping = 1; + } + return CMD_SUCCESS; + } +}; + +void MessageWrapper::Wrap(const std::string& message, std::string& out) +{ + // If there is a fixed message, it is stored in prefix. Otherwise prefix contains + // only the prefix, so append the message and the suffix + out.assign(prefix); + if (!fixed) + out.append(message).append(suffix); +} + +void MessageWrapper::ReadConfig(const char* prefixname, const char* suffixname, const char* fixedname) +{ + ConfigTag* tag = ServerInstance->Config->ConfValue("options"); + prefix = tag->getString(fixedname); + fixed = (!prefix.empty()); + if (!fixed) + { + prefix = tag->getString(prefixname); + suffix = tag->getString(suffixname); + } +} + +class CoreModUser : public Module +{ + CommandAway cmdaway; + CommandMode cmdmode; + CommandNick cmdnick; + CommandPart cmdpart; + CommandPass cmdpass; + CommandPing cmdping; + CommandPong cmdpong; + CommandQuit cmdquit; + CommandUser cmduser; + + public: + CoreModUser() + : cmdaway(this), cmdmode(this), cmdnick(this), cmdpart(this), cmdpass(this), cmdping(this) + , cmdpong(this), cmdquit(this), cmduser(this) + { + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + cmdpart.msgwrap.ReadConfig("prefixpart", "suffixpart", "fixedpart"); + cmdquit.msgwrap.ReadConfig("prefixquit", "suffixquit", "fixedquit"); + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides the AWAY, MODE, NICK, PART, PASS, PING, PONG, QUIT and USER commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModUser) diff --git a/src/coremods/core_user/core_user.h b/src/coremods/core_user/core_user.h new file mode 100644 index 000000000..0418588c1 --- /dev/null +++ b/src/coremods/core_user/core_user.h @@ -0,0 +1,181 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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/>. + */ + + +#pragma once + +#include "inspircd.h" + +class MessageWrapper +{ + std::string prefix; + std::string suffix; + bool fixed; + + public: + /** + * Wrap the given message according to the config rules + * @param message The message to wrap + * @param out String where the result is placed + */ + void Wrap(const std::string& message, std::string& out); + + /** + * Read the settings from the given config keys (options block) + * @param prefixname Name of the config key to read the prefix from + * @param suffixname Name of the config key to read the suffix from + * @param fixedname Name of the config key to read the fixed string string from. + * If this key has a non-empty value, all messages will be replaced with it. + */ + void ReadConfig(const char* prefixname, const char* suffixname, const char* fixedname); +}; + +/** Handle /AWAY. + */ +class CommandAway : public Command +{ + public: + /** Constructor for away. + */ + CommandAway(Module* parent); + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +class CommandMode : public Command +{ + unsigned int sent[256]; + unsigned int seq; + + /** Show the list of one or more list modes to a user. + * @param user User to send to. + * @param chan Channel whose lists to show. + * @param mode_sequence Mode letters to show the lists of. + */ + void DisplayListModes(User* user, Channel* chan, const std::string& mode_sequence); + + /** Show the current modes of a channel or a user to a user. + * @param user User to show the modes to. + * @param targetuser User whose modes to show. NULL if showing the modes of a channel. + * @param targetchannel Channel whose modes to show. NULL if showing the modes of a user. + */ + void DisplayCurrentModes(User* user, User* targetuser, Channel* targetchannel); + + public: + /** Constructor for mode. + */ + CommandMode(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); + + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /NICK. + */ +class CommandNick : public SplitCommand +{ + public: + /** Constructor for nick. + */ + CommandNick(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user); +}; + +/** Handle /PART. + */ +class CommandPart : public Command +{ + public: + MessageWrapper msgwrap; + + /** Constructor for part. + */ + CommandPart(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /QUIT. + */ +class CommandQuit : public Command +{ + public: + MessageWrapper msgwrap; + + /** Constructor for quit. + */ + CommandQuit(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User*user); + + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters); +}; + +/** Handle /USER. + */ +class CommandUser : public SplitCommand +{ + public: + /** Constructor for user. + */ + CommandUser(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser *user); + + /** Run the OnUserRegister hook if the user has sent both NICK and USER. Called after an unregistered user + * successfully executes the USER or the NICK command. + * @param user User to inspect and possibly pass to the OnUserRegister hook + * @return CMD_FAILURE if OnUserRegister was called and it returned MOD_RES_DENY, CMD_SUCCESS in every other case + * (i.e. if the hook wasn't fired because the user still needs to send NICK/USER or if it was fired and finished with + * a non-MOD_RES_DENY result). + */ + static CmdResult CheckRegister(LocalUser* user); +}; diff --git a/src/coremods/core_userhost.cpp b/src/coremods/core_userhost.cpp new file mode 100644 index 000000000..eae6e51ce --- /dev/null +++ b/src/coremods/core_userhost.cpp @@ -0,0 +1,85 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /USERHOST. + */ +class CommandUserhost : public Command +{ + UserModeReference hideopermode; + + public: + /** Constructor for userhost. + */ + CommandUserhost(Module* parent) + : Command(parent,"USERHOST", 1) + , hideopermode(parent, "hideoper") + { + syntax = "<nick> [<nick> ...]"; + } + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); +}; + +CmdResult CommandUserhost::Handle (const std::vector<std::string>& parameters, User *user) +{ + const bool has_privs = user->HasPrivPermission("users/auspex"); + + std::string retbuf = "302 " + user->nick + " :"; + + unsigned int max = parameters.size(); + if (max > 5) + max = 5; + + for (unsigned int i = 0; i < max; i++) + { + User *u = ServerInstance->FindNickOnly(parameters[i]); + + if ((u) && (u->registered == REG_ALL)) + { + retbuf += u->nick; + + if (u->IsOper()) + { + // XXX: +H hidden opers must not be shown as opers + if ((u == user) || (has_privs) || (!u->IsModeSet(hideopermode))) + retbuf += '*'; + } + + retbuf += '='; + retbuf += (u->IsAway() ? '-' : '+'); + retbuf += u->ident; + retbuf += '@'; + retbuf += (((u == user) || (has_privs)) ? u->host : u->dhost); + retbuf += ' '; + } + } + + user->WriteServ(retbuf); + + return CMD_SUCCESS; +} + +COMMAND_INIT(CommandUserhost) diff --git a/src/coremods/core_wallops.cpp b/src/coremods/core_wallops.cpp new file mode 100644 index 000000000..0210df8ee --- /dev/null +++ b/src/coremods/core_wallops.cpp @@ -0,0 +1,69 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /WALLOPS. + */ +class CommandWallops : public Command +{ + SimpleUserModeHandler wallopsmode; + + public: + /** Constructor for wallops. + */ + CommandWallops(Module* parent) + : Command(parent, "WALLOPS", 1, 1) + , wallopsmode(parent, "wallops", 'w') + { + flags_needed = 'o'; + syntax = "<any-text>"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + + RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) + { + return ROUTE_BROADCAST; + } +}; + +CmdResult CommandWallops::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string wallop("WALLOPS :"); + wallop.append(parameters[0]); + + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i) + { + User* t = *i; + if (t->IsModeSet(wallopsmode)) + t->WriteFrom(user, wallop); + } + + return CMD_SUCCESS; +} + +COMMAND_INIT(CommandWallops) diff --git a/src/coremods/core_who.cpp b/src/coremods/core_who.cpp new file mode 100644 index 000000000..8b9258d71 --- /dev/null +++ b/src/coremods/core_who.cpp @@ -0,0 +1,397 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 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" + +/** Handle /WHO. + */ +class CommandWho : public Command +{ + bool CanView(Channel* chan, User* user); + bool opt_viewopersonly; + bool opt_showrealhost; + bool opt_realname; + bool opt_mode; + bool opt_ident; + bool opt_metadata; + bool opt_port; + bool opt_away; + bool opt_local; + bool opt_far; + bool opt_time; + ChanModeReference secretmode; + ChanModeReference privatemode; + UserModeReference invisiblemode; + + Membership* get_first_visible_channel(User* u) + { + for (User::ChanList::iterator i = u->chans.begin(); i != u->chans.end(); ++i) + { + Membership* memb = *i; + if (!memb->chan->IsModeSet(secretmode)) + return memb; + } + return NULL; + } + + public: + /** Constructor for who. + */ + CommandWho(Module* parent) + : Command(parent, "WHO", 1) + , secretmode(parent, "secret") + , privatemode(parent, "private") + , invisiblemode(parent, "invisible") + { + syntax = "<server>|<nickname>|<channel>|<realname>|<host>|0 [ohurmMiaplf]"; + } + + void SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string& initial, Membership* memb, User* u, std::vector<std::string>& whoresults); + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User *user); + bool whomatch(User* cuser, User* user, const char* matchtext); +}; + +bool CommandWho::whomatch(User* cuser, User* user, const char* matchtext) +{ + bool match = false; + bool positive = false; + + if (user->registered != REG_ALL) + return false; + + if (opt_local && !IS_LOCAL(user)) + return false; + else if (opt_far && IS_LOCAL(user)) + return false; + + if (opt_mode) + { + for (const char* n = matchtext; *n; n++) + { + if (*n == '+') + { + positive = true; + continue; + } + else if (*n == '-') + { + positive = false; + continue; + } + if (user->IsModeSet(*n) != positive) + return false; + } + return true; + } + else + { + /* + * This was previously one awesome pile of ugly nested if, when really, it didn't need + * to be, since only one condition was ever checked, a chained if works just fine. + * -- w00t + */ + if (opt_metadata) + { + match = false; + const Extensible::ExtensibleStore& list = user->GetExtList(); + for(Extensible::ExtensibleStore::const_iterator i = list.begin(); i != list.end(); ++i) + if (InspIRCd::Match(i->first->name, matchtext)) + match = true; + } + else if (opt_realname) + match = InspIRCd::Match(user->fullname, matchtext); + else if (opt_showrealhost) + match = InspIRCd::Match(user->host, matchtext, ascii_case_insensitive_map); + else if (opt_ident) + match = InspIRCd::Match(user->ident, matchtext, ascii_case_insensitive_map); + else if (opt_port) + { + irc::portparser portrange(matchtext, false); + long portno = -1; + while ((portno = portrange.GetToken())) + if (IS_LOCAL(user) && portno == IS_LOCAL(user)->GetServerPort()) + { + match = true; + break; + } + } + else if (opt_away) + match = InspIRCd::Match(user->awaymsg, matchtext); + else if (opt_time) + { + long seconds = InspIRCd::Duration(matchtext); + + // Okay, so time matching, we want all users connected `seconds' ago + if (user->signon >= ServerInstance->Time() - seconds) + match = true; + } + + /* + * Once the conditionals have been checked, only check dhost/nick/server + * if they didn't match this user -- and only match if we don't find a match. + * + * This should make things minutely faster, and again, less ugly. + * -- w00t + */ + if (!match) + match = InspIRCd::Match(user->dhost, matchtext, ascii_case_insensitive_map); + + if (!match) + match = InspIRCd::Match(user->nick, matchtext); + + /* Don't allow server name matches if HideWhoisServer is enabled, unless the command user has the priv */ + if (!match && (ServerInstance->Config->HideWhoisServer.empty() || cuser->HasPrivPermission("users/auspex"))) + match = InspIRCd::Match(user->server->GetName(), matchtext); + + return match; + } +} + +bool CommandWho::CanView(Channel* chan, User* user) +{ + /* Bug #383 - moved higher up the list, because if we are in the channel + * we can see all its users + */ + if (chan->HasUser(user)) + return true; + /* Opers see all */ + if (user->HasPrivPermission("users/auspex")) + return true; + /* Cant see inside a +s or a +p channel unless we are a member (see above) */ + else if (!chan->IsModeSet(secretmode) && !chan->IsModeSet(privatemode)) + return true; + + return false; +} + +void CommandWho::SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string& initial, Membership* memb, User* u, std::vector<std::string>& whoresults) +{ + if (!memb) + memb = get_first_visible_channel(u); + + std::string wholine = initial + (memb ? memb->chan->name : "*") + " " + u->ident + " " + + (opt_showrealhost ? u->host : u->dhost) + " "; + if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")) + wholine.append(ServerInstance->Config->HideWhoisServer); + else + wholine.append(u->server->GetName()); + + wholine.append(" " + u->nick + " "); + + /* away? */ + if (u->IsAway()) + { + wholine.append("G"); + } + else + { + wholine.append("H"); + } + + /* oper? */ + if (u->IsOper()) + { + wholine.push_back('*'); + } + + if (memb) + { + char prefix = memb->GetPrefixChar(); + if (prefix) + wholine.push_back(prefix); + } + + wholine.append(" :0 " + u->fullname); + + FOREACH_MOD(OnSendWhoLine, (user, parms, u, memb, wholine)); + + if (!wholine.empty()) + whoresults.push_back(wholine); +} + +CmdResult CommandWho::Handle (const std::vector<std::string>& parameters, User *user) +{ + /* + * XXX - RFC says: + * The <name> passed to WHO is matched against users' host, server, real + * name and nickname + * Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC. + */ + + /* WHO options */ + opt_viewopersonly = false; + opt_showrealhost = false; + opt_realname = false; + opt_mode = false; + opt_ident = false; + opt_metadata = false; + opt_port = false; + opt_away = false; + opt_local = false; + opt_far = false; + opt_time = false; + + std::vector<std::string> whoresults; + std::string initial = "352 " + user->nick + " "; + + /* Change '0' into '*' so the wildcard matcher can grok it */ + std::string matchtext = ((parameters[0] == "0") ? "*" : parameters[0]); + + // WHO flags count as a wildcard + bool usingwildcards = ((parameters.size() > 1) || (matchtext.find_first_of("*?.") != std::string::npos)); + + if (parameters.size() > 1) + { + for (std::string::const_iterator iter = parameters[1].begin(); iter != parameters[1].end(); ++iter) + { + switch (*iter) + { + case 'o': + opt_viewopersonly = true; + break; + case 'h': + if (user->HasPrivPermission("users/auspex")) + opt_showrealhost = true; + break; + case 'r': + opt_realname = true; + break; + case 'm': + if (user->HasPrivPermission("users/auspex")) + opt_mode = true; + break; + case 'M': + if (user->HasPrivPermission("users/auspex")) + opt_metadata = true; + break; + case 'i': + opt_ident = true; + break; + case 'p': + if (user->HasPrivPermission("users/auspex")) + opt_port = true; + break; + case 'a': + opt_away = true; + break; + case 'l': + if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty()) + opt_local = true; + break; + case 'f': + if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty()) + opt_far = true; + break; + case 't': + opt_time = true; + break; + } + } + } + + + /* who on a channel? */ + Channel* ch = ServerInstance->FindChan(matchtext); + + if (ch) + { + if (CanView(ch,user)) + { + bool inside = ch->HasUser(user); + + /* who on a channel. */ + const Channel::MemberMap& cu = ch->GetUsers(); + for (Channel::MemberMap::const_iterator i = cu.begin(); i != cu.end(); ++i) + { + /* None of this applies if we WHO ourselves */ + if (user != i->first) + { + /* opers only, please */ + if (opt_viewopersonly && !i->first->IsOper()) + continue; + + /* If we're not inside the channel, hide +i users */ + if (i->first->IsModeSet(invisiblemode) && !inside && !user->HasPrivPermission("users/auspex")) + continue; + } + + SendWhoLine(user, parameters, initial, i->second, i->first, whoresults); + } + } + } + else + { + /* Match against wildcard of nick, server or host */ + if (opt_viewopersonly) + { + /* Showing only opers */ + const UserManager::OperList& opers = ServerInstance->Users->all_opers; + for (UserManager::OperList::const_iterator i = opers.begin(); i != opers.end(); ++i) + { + User* oper = *i; + + if (whomatch(user, oper, matchtext.c_str())) + { + if (!user->SharesChannelWith(oper)) + { + if (usingwildcards && (oper->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex"))) + continue; + } + + SendWhoLine(user, parameters, initial, NULL, oper, whoresults); + } + } + } + else + { + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i) + { + if (whomatch(user, i->second, matchtext.c_str())) + { + if (!user->SharesChannelWith(i->second)) + { + if (usingwildcards && (i->second->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex"))) + continue; + } + + SendWhoLine(user, parameters, initial, NULL, i->second, whoresults); + } + } + } + } + /* Send the results out */ + for (std::vector<std::string>::const_iterator n = whoresults.begin(); n != whoresults.end(); n++) + user->WriteServ(*n); + user->WriteNumeric(RPL_ENDOFWHO, "%s :End of /WHO list.", *parameters[0].c_str() ? parameters[0].c_str() : "*"); + + // Penalize the user a bit for large queries + // (add one unit of penalty per 200 results) + if (IS_LOCAL(user)) + IS_LOCAL(user)->CommandFloodPenalty += whoresults.size() * 5; + return CMD_SUCCESS; +} + +COMMAND_INIT(CommandWho) diff --git a/src/coremods/core_whois.cpp b/src/coremods/core_whois.cpp new file mode 100644 index 000000000..7464e0527 --- /dev/null +++ b/src/coremods/core_whois.cpp @@ -0,0 +1,244 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * Copyright (C) 2007 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" + +/** Handle /WHOIS. + */ +class CommandWhois : public SplitCommand +{ + ChanModeReference secretmode; + ChanModeReference privatemode; + UserModeReference snomaskmode; + + void SplitChanList(User* source, User* dest, const std::string& cl); + void DoWhois(User* user, User* dest, unsigned long signon, unsigned long idle); + std::string ChannelList(User* source, User* dest, bool spy); + + public: + /** Constructor for whois. + */ + CommandWhois(Module* parent) + : SplitCommand(parent, "WHOIS", 1) + , secretmode(parent, "secret") + , privatemode(parent, "private") + , snomaskmode(parent, "snomask") + { + Penalty = 2; + syntax = "<nick>{,<nick>}"; + } + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user); + CmdResult HandleRemote(const std::vector<std::string>& parameters, RemoteUser* target); +}; + +std::string CommandWhois::ChannelList(User* source, User* dest, bool spy) +{ + std::string list; + + for (User::ChanList::iterator i = dest->chans.begin(); i != dest->chans.end(); i++) + { + Membership* memb = *i; + Channel* c = memb->chan; + /* If the target is the sender, neither +p nor +s is set, or + * the channel contains the user, it is not a spy channel + */ + if (spy != (source == dest || !(c->IsModeSet(privatemode) || c->IsModeSet(secretmode)) || c->HasUser(source))) + { + char prefix = memb->GetPrefixChar(); + if (prefix) + list.push_back(prefix); + list.append(c->name).push_back(' '); + } + } + + return list; +} + +void CommandWhois::SplitChanList(User* source, User* dest, const std::string& cl) +{ + std::string line; + std::ostringstream prefix; + std::string::size_type start, pos; + + prefix << dest->nick << " :"; + line = prefix.str(); + int namelen = ServerInstance->Config->ServerName.length() + 6; + + for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1) + { + if (line.length() + namelen + pos - start > 510) + { + ServerInstance->SendWhoisLine(source, dest, 319, line); + line = prefix.str(); + } + + line.append(cl, start, pos - start + 1); + } + + if (line.length() != prefix.str().length()) + { + ServerInstance->SendWhoisLine(source, dest, 319, line); + } +} + +void CommandWhois::DoWhois(User* user, User* dest, unsigned long signon, unsigned long idle) +{ + ServerInstance->SendWhoisLine(user, dest, 311, "%s %s %s * :%s", dest->nick.c_str(), dest->ident.c_str(), dest->dhost.c_str(), dest->fullname.c_str()); + if (user == dest || user->HasPrivPermission("users/auspex")) + { + ServerInstance->SendWhoisLine(user, dest, 378, "%s :is connecting from %s@%s %s", dest->nick.c_str(), dest->ident.c_str(), dest->host.c_str(), dest->GetIPString().c_str()); + } + + std::string cl = ChannelList(user, dest, false); + const ServerConfig::OperSpyWhoisState state = user->HasPrivPermission("users/auspex") ? ServerInstance->Config->OperSpyWhois : ServerConfig::SPYWHOIS_NONE; + + if (state == ServerConfig::SPYWHOIS_SINGLEMSG) + cl.append(ChannelList(user, dest, true)); + + SplitChanList(user, dest, cl); + + if (state == ServerConfig::SPYWHOIS_SPLITMSG) + { + std::string scl = ChannelList(user, dest, true); + if (scl.length()) + { + ServerInstance->SendWhoisLine(user, dest, 336, "%s :is on private/secret channels:", dest->nick.c_str()); + SplitChanList(user, dest, scl); + } + } + if (user != dest && !ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")) + { + ServerInstance->SendWhoisLine(user, dest, 312, "%s %s :%s", dest->nick.c_str(), ServerInstance->Config->HideWhoisServer.c_str(), ServerInstance->Config->Network.c_str()); + } + else + { + ServerInstance->SendWhoisLine(user, dest, 312, "%s %s :%s", dest->nick.c_str(), dest->server->GetName().c_str(), dest->server->GetDesc().c_str()); + } + + if (dest->IsAway()) + { + ServerInstance->SendWhoisLine(user, dest, 301, "%s :%s", dest->nick.c_str(), dest->awaymsg.c_str()); + } + + if (dest->IsOper()) + { + if (ServerInstance->Config->GenericOper) + ServerInstance->SendWhoisLine(user, dest, 313, "%s :is an IRC operator", dest->nick.c_str()); + else + ServerInstance->SendWhoisLine(user, dest, 313, "%s :is %s %s on %s", dest->nick.c_str(), (strchr("AEIOUaeiou",dest->oper->name[0]) ? "an" : "a"),dest->oper->name.c_str(), ServerInstance->Config->Network.c_str()); + } + + if (user == dest || user->HasPrivPermission("users/auspex")) + { + if (dest->IsModeSet(snomaskmode)) + { + ServerInstance->SendWhoisLine(user, dest, 379, "%s :is using modes +%s %s", dest->nick.c_str(), dest->FormatModes(), snomaskmode->GetUserParameter(dest).c_str()); + } + else + { + ServerInstance->SendWhoisLine(user, dest, 379, "%s :is using modes +%s", dest->nick.c_str(), dest->FormatModes()); + } + } + + FOREACH_MOD(OnWhois, (user,dest)); + + /* + * We only send these if we've been provided them. That is, if hidewhois is turned off, and user is local, or + * if remote whois is queried, too. This is to keep the user hidden, and also since you can't reliably tell remote time. -- w00t + */ + if ((idle) || (signon)) + { + ServerInstance->SendWhoisLine(user, dest, 317, "%s %lu %lu :seconds idle, signon time", dest->nick.c_str(), idle, signon); + } + + ServerInstance->SendWhoisLine(user, dest, 318, "%s :End of /WHOIS list.", dest->nick.c_str()); +} + +CmdResult CommandWhois::HandleRemote(const std::vector<std::string>& parameters, RemoteUser* target) +{ + if (parameters.size() < 2) + return CMD_FAILURE; + + User* user = ServerInstance->FindUUID(parameters[0]); + if (!user) + return CMD_FAILURE; + + unsigned long idle = ConvToInt(parameters.back()); + DoWhois(user, target, target->signon, idle); + + return CMD_SUCCESS; +} + +CmdResult CommandWhois::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user) +{ + User *dest; + int userindex = 0; + unsigned long idle = 0, signon = 0; + + if (CommandParser::LoopCall(user, this, parameters, 0)) + return CMD_SUCCESS; + + /* + * If 2 paramters are specified (/whois nick nick), ignore the first one like spanningtree + * does, and use the second one, otherwise, use the only paramter. -- djGrrr + */ + if (parameters.size() > 1) + userindex = 1; + + dest = ServerInstance->FindNickOnly(parameters[userindex]); + + if ((dest) && (dest->registered == REG_ALL)) + { + /* + * Okay. Umpteenth attempt at doing this, so let's re-comment... + * For local users (/w localuser), we show idletime if hidewhois is disabled + * For local users (/w localuser localuser), we always show idletime, hence parameters.size() > 1 check. + * For remote users (/w remoteuser), we do NOT show idletime + * For remote users (/w remoteuser remoteuser), spanningtree will handle calling do_whois, so we can ignore this case. + * Thanks to djGrrr for not being impatient while I have a crap day coding. :p -- w00t + */ + LocalUser* localuser = IS_LOCAL(dest); + if (localuser && (ServerInstance->Config->HideWhoisServer.empty() || parameters.size() > 1)) + { + idle = labs((long)((localuser->idle_lastmsg)-ServerInstance->Time())); + signon = dest->signon; + } + + DoWhois(user,dest,signon,idle); + } + else + { + /* no such nick/channel */ + user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", !parameters[userindex].empty() ? parameters[userindex].c_str() : "*"); + user->WriteNumeric(RPL_ENDOFWHOIS, "%s :End of /WHOIS list.", !parameters[userindex].empty() ? parameters[userindex].c_str() : "*"); + return CMD_FAILURE; + } + + return CMD_SUCCESS; +} + +COMMAND_INIT(CommandWhois) diff --git a/src/coremods/core_whowas.cpp b/src/coremods/core_whowas.cpp new file mode 100644 index 000000000..d73fdf491 --- /dev/null +++ b/src/coremods/core_whowas.cpp @@ -0,0 +1,291 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007-2008 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 "commands/cmd_whowas.h" + +CommandWhowas::CommandWhowas( Module* parent) + : Command(parent, "WHOWAS", 1) +{ + syntax = "<nick>{,<nick>}"; + Penalty = 2; +} + +CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, User* user) +{ + /* if whowas disabled in config */ + if (!manager.IsEnabled()) + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :This command has been disabled.", name.c_str()); + return CMD_FAILURE; + } + + const WhoWas::Nick* const nick = manager.FindNick(parameters[0]); + if (!nick) + { + user->WriteNumeric(ERR_WASNOSUCHNICK, "%s :There was no such nickname", parameters[0].c_str()); + } + else + { + const WhoWas::Nick::List& list = nick->entries; + if (!list.empty()) + { + for (WhoWas::Nick::List::const_iterator i = list.begin(); i != list.end(); ++i) + { + WhoWas::Entry* u = *i; + + user->WriteNumeric(RPL_WHOWASUSER, "%s %s %s * :%s", parameters[0].c_str(), + u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str()); + + if (user->HasPrivPermission("users/auspex")) + user->WriteNumeric(RPL_WHOWASIP, "%s :was connecting from *@%s", + parameters[0].c_str(), u->host.c_str()); + + std::string signon = InspIRCd::TimeString(u->signon); + bool hide_server = (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex")); + user->WriteNumeric(RPL_WHOISSERVER, "%s %s :%s", parameters[0].c_str(), (hide_server ? ServerInstance->Config->HideWhoisServer.c_str() : u->server.c_str()), signon.c_str()); + } + } + } + + user->WriteNumeric(RPL_ENDOFWHOWAS, "%s :End of WHOWAS", parameters[0].c_str()); + return CMD_SUCCESS; +} + +WhoWas::Manager::Manager() + : GroupSize(0), MaxGroups(0), MaxKeep(0) +{ +} + +const WhoWas::Nick* WhoWas::Manager::FindNick(const std::string& nickname) const +{ + whowas_users::const_iterator it = whowas.find(nickname); + if (it == whowas.end()) + return NULL; + + const Nick* nick = it->second; + if (nick->entries.empty()) + return NULL; + return nick; +} + +WhoWas::Manager::Stats WhoWas::Manager::GetStats() const +{ + size_t entrycount = 0; + for (whowas_users::const_iterator i = whowas.begin(); i != whowas.end(); ++i) + { + WhoWas::Nick::List& list = i->second->entries; + entrycount += list.size(); + } + + Stats stats; + stats.entrycount = entrycount; + return stats; +} + +void WhoWas::Manager::Add(User* user) +{ + if (!IsEnabled()) + return; + + // Insert nick if it doesn't exist + // 'first' will point to the newly inserted element or to the existing element with an equivalent key + std::pair<whowas_users::iterator, bool> ret = whowas.insert(std::make_pair(user->nick, static_cast<WhoWas::Nick*>(NULL))); + + if (ret.second) // If inserted + { + // This nick is new, create a list for it and add the first record to it + WhoWas::Nick* nick = new WhoWas::Nick(ret.first->first); + nick->entries.push_back(new Entry(user)); + ret.first->second = nick; + + // Add this nick to the fifo too + whowas_fifo.push_back(nick); + + if (whowas.size() > this->MaxGroups) + { + // Too many nicks, remove the nick which was inserted the longest time ago from both the map and the fifo + nick = whowas_fifo.front(); + whowas_fifo.pop_front(); + whowas.erase(nick->nick); + delete nick; + } + } + else + { + // We've met this nick before, add a new record to the list + WhoWas::Nick::List& list = ret.first->second->entries; + list.push_back(new Entry(user)); + + // If there are too many records for this nick, remove the oldest (front) + if (list.size() > this->GroupSize) + { + delete list.front(); + list.pop_front(); + } + } +} + +/* on rehash, refactor maps according to new conf values */ +void WhoWas::Manager::Prune() +{ + time_t min = ServerInstance->Time() - this->MaxKeep; + + /* first cut the list to new size (maxgroups) and also prune entries that are timed out. */ + while (!whowas_fifo.empty()) + { + WhoWas::Nick* nick = whowas_fifo.front(); + if ((whowas_fifo.size() > this->MaxGroups) || (nick->addtime < min)) + { + /* hopefully redundant integrity check, but added while debugging r6216 */ + if (!whowas.erase(nick->nick)) + { + /* this should never happen, if it does maps are corrupt */ + ServerInstance->Logs->Log("WHOWAS", LOG_DEFAULT, "BUG: Whowas maps got corrupted! (1)"); + return; + } + + whowas_fifo.pop_front(); + delete nick; + } + else + break; + } + + /* Then cut the whowas sets to new size (groupsize) */ + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) + { + WhoWas::Nick::List& list = i->second->entries; + while (list.size() > this->GroupSize) + { + delete list.front(); + list.pop_front(); + } + } +} + +/* call maintain once an hour to remove expired nicks */ +void WhoWas::Manager::Maintain() +{ + time_t min = ServerInstance->Time() - this->MaxKeep; + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) + { + WhoWas::Nick::List& list = i->second->entries; + while (!list.empty() && list.front()->signon < min) + { + delete list.front(); + list.pop_front(); + } + } +} + +WhoWas::Manager::~Manager() +{ + for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i) + { + WhoWas::Nick* nick = i->second; + delete nick; + } +} + +bool WhoWas::Manager::IsEnabled() const +{ + return ((GroupSize != 0) && (MaxGroups != 0)); +} + +void WhoWas::Manager::UpdateConfig(unsigned int NewGroupSize, unsigned int NewMaxGroups, unsigned int NewMaxKeep) +{ + if ((NewGroupSize == GroupSize) && (NewMaxGroups == MaxGroups) && (NewMaxKeep == MaxKeep)) + return; + + GroupSize = NewGroupSize; + MaxGroups = NewMaxGroups; + MaxKeep = NewMaxKeep; + Prune(); +} + +WhoWas::Entry::Entry(User* user) + : host(user->host) + , dhost(user->dhost) + , ident(user->ident) + , server(user->server->GetName()) + , gecos(user->fullname) + , signon(user->signon) +{ +} + +WhoWas::Nick::Nick(const std::string& nickname) + : addtime(ServerInstance->Time()) + , nick(nickname) +{ +} + +WhoWas::Nick::~Nick() +{ + stdalgo::delete_all(entries); +} + +class ModuleWhoWas : public Module +{ + CommandWhowas cmd; + + public: + ModuleWhoWas() : cmd(this) + { + } + + void OnGarbageCollect() + { + // Remove all entries older than MaxKeep + cmd.manager.Maintain(); + } + + void OnUserQuit(User* user, const std::string& message, const std::string& oper_message) + { + cmd.manager.Add(user); + } + + ModResult OnStats(char symbol, User* user, string_list &results) + { + if (symbol == 'z') + results.push_back("249 "+user->nick+" :Whowas entries: "+ConvToStr(cmd.manager.GetStats().entrycount)); + + return MOD_RES_PASSTHRU; + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("whowas"); + unsigned int NewGroupSize = tag->getInt("groupsize", 10, 0, 10000); + unsigned int NewMaxGroups = tag->getInt("maxgroups", 10240, 0, 1000000); + unsigned int NewMaxKeep = tag->getDuration("maxkeep", 3600, 3600); + + cmd.manager.UpdateConfig(NewGroupSize, NewMaxGroups, NewMaxKeep); + } + + Version GetVersion() + { + return Version("WHOWAS", VF_VENDOR); + } +}; + +MODULE_INIT(ModuleWhoWas) diff --git a/src/coremods/core_xline/cmd_eline.cpp b/src/coremods/core_xline/cmd_eline.cpp new file mode 100644 index 000000000..26b49894b --- /dev/null +++ b/src/coremods/core_xline/cmd_eline.cpp @@ -0,0 +1,96 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 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 "xline.h" +#include "core_xline.h" + +CommandEline::CommandEline(Module* parent) + : Command(parent, "ELINE", 1, 3) +{ + flags_needed = 'o'; + syntax = "<ident@host> [<duration> :<reason>]"; +} + +/** Handle /ELINE + */ +CmdResult CommandEline::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string target = parameters[0]; + + if (parameters.size() >= 3) + { + IdentHostPair ih; + User* find = ServerInstance->FindNick(target); + if ((find) && (find->registered == REG_ALL)) + { + ih.first = "*"; + ih.second = find->GetIPString(); + target = std::string("*@") + find->GetIPString(); + } + else + ih = ServerInstance->XLines->IdentSplit(target); + + if (ih.first.empty()) + { + user->WriteNotice("*** Target not found"); + return CMD_FAILURE; + } + + InsaneBan::IPHostMatcher matcher; + if (InsaneBan::MatchesEveryone(ih.first+"@"+ih.second, matcher, user, "E", "hostmasks")) + return CMD_FAILURE; + + unsigned long duration = InspIRCd::Duration(parameters[1]); + ELine* el = new ELine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), ih.first.c_str(), ih.second.c_str()); + if (ServerInstance->XLines->AddLine(el, user)) + { + if (!duration) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent E-line for %s: %s", user->nick.c_str(), target.c_str(), parameters[2].c_str()); + } + else + { + time_t c_requires_crap = duration + ServerInstance->Time(); + std::string timestr = InspIRCd::TimeString(c_requires_crap); + ServerInstance->SNO->WriteToSnoMask('x',"%s added timed E-line for %s, expires on %s: %s",user->nick.c_str(),target.c_str(), + timestr.c_str(), parameters[2].c_str()); + } + } + else + { + delete el; + user->WriteNotice("*** E-Line for " + target + " already exists"); + } + } + else + { + if (ServerInstance->XLines->DelLine(target.c_str(), "E", user)) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s removed E-line on %s",user->nick.c_str(),target.c_str()); + } + else + { + user->WriteNotice("*** E-Line " + target + " not found in list, try /stats e"); + } + } + + return CMD_SUCCESS; +} diff --git a/src/coremods/core_xline/cmd_gline.cpp b/src/coremods/core_xline/cmd_gline.cpp new file mode 100644 index 000000000..3f042c366 --- /dev/null +++ b/src/coremods/core_xline/cmd_gline.cpp @@ -0,0 +1,106 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 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 "xline.h" +#include "core_xline.h" + +CommandGline::CommandGline(Module* parent) + : Command(parent, "GLINE", 1, 3) +{ + flags_needed = 'o'; + Penalty = 0; + syntax = "<ident@host> [<duration> :<reason>]"; +} + +/** Handle /GLINE + */ +CmdResult CommandGline::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string target = parameters[0]; + + if (parameters.size() >= 3) + { + IdentHostPair ih; + User* find = ServerInstance->FindNick(target); + if ((find) && (find->registered == REG_ALL)) + { + ih.first = "*"; + ih.second = find->GetIPString(); + target = std::string("*@") + find->GetIPString(); + } + else + ih = ServerInstance->XLines->IdentSplit(target); + + if (ih.first.empty()) + { + user->WriteNotice("*** Target not found"); + return CMD_FAILURE; + } + + InsaneBan::IPHostMatcher matcher; + if (InsaneBan::MatchesEveryone(ih.first+"@"+ih.second, matcher, user, "G", "hostmasks")) + return CMD_FAILURE; + + else if (target.find('!') != std::string::npos) + { + user->WriteNotice("*** G-Line cannot operate on nick!user@host masks"); + return CMD_FAILURE; + } + + unsigned long duration = InspIRCd::Duration(parameters[1]); + GLine* gl = new GLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), ih.first.c_str(), ih.second.c_str()); + if (ServerInstance->XLines->AddLine(gl, user)) + { + if (!duration) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent G-line for %s: %s",user->nick.c_str(),target.c_str(), parameters[2].c_str()); + } + else + { + time_t c_requires_crap = duration + ServerInstance->Time(); + std::string timestr = InspIRCd::TimeString(c_requires_crap); + ServerInstance->SNO->WriteToSnoMask('x',"%s added timed G-line for %s, expires on %s: %s",user->nick.c_str(),target.c_str(), + timestr.c_str(), parameters[2].c_str()); + } + + ServerInstance->XLines->ApplyLines(); + } + else + { + delete gl; + user->WriteNotice("** G-Line for " + target + " already exists"); + } + + } + else + { + if (ServerInstance->XLines->DelLine(target.c_str(),"G",user)) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s removed G-line on %s",user->nick.c_str(),target.c_str()); + } + else + { + user->WriteNotice("*** G-Line " + target + " not found in list, try /stats g."); + } + } + + return CMD_SUCCESS; +} diff --git a/src/coremods/core_xline/cmd_kline.cpp b/src/coremods/core_xline/cmd_kline.cpp new file mode 100644 index 000000000..50ab88398 --- /dev/null +++ b/src/coremods/core_xline/cmd_kline.cpp @@ -0,0 +1,105 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2007-2008 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 "xline.h" +#include "core_xline.h" + +CommandKline::CommandKline(Module* parent) + : Command(parent, "KLINE", 1, 3) +{ + flags_needed = 'o'; + Penalty = 0; + syntax = "<ident@host> [<duration> :<reason>]"; +} + +/** Handle /KLINE + */ +CmdResult CommandKline::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string target = parameters[0]; + + if (parameters.size() >= 3) + { + IdentHostPair ih; + User* find = ServerInstance->FindNick(target); + if ((find) && (find->registered == REG_ALL)) + { + ih.first = "*"; + ih.second = find->GetIPString(); + target = std::string("*@") + find->GetIPString(); + } + else + ih = ServerInstance->XLines->IdentSplit(target); + + if (ih.first.empty()) + { + user->WriteNotice("*** Target not found"); + return CMD_FAILURE; + } + + InsaneBan::IPHostMatcher matcher; + if (InsaneBan::MatchesEveryone(ih.first+"@"+ih.second, matcher, user, "K", "hostmasks")) + return CMD_FAILURE; + + if (target.find('!') != std::string::npos) + { + user->WriteNotice("*** K-Line cannot operate on nick!user@host masks"); + return CMD_FAILURE; + } + + unsigned long duration = InspIRCd::Duration(parameters[1]); + KLine* kl = new KLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), ih.first.c_str(), ih.second.c_str()); + if (ServerInstance->XLines->AddLine(kl,user)) + { + if (!duration) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent K-line for %s: %s",user->nick.c_str(),target.c_str(), parameters[2].c_str()); + } + else + { + time_t c_requires_crap = duration + ServerInstance->Time(); + std::string timestr = InspIRCd::TimeString(c_requires_crap); + ServerInstance->SNO->WriteToSnoMask('x',"%s added timed K-line for %s, expires on %s: %s",user->nick.c_str(),target.c_str(), + timestr.c_str(), parameters[2].c_str()); + } + + ServerInstance->XLines->ApplyLines(); + } + else + { + delete kl; + user->WriteNotice("*** K-Line for " + target + " already exists"); + } + } + else + { + if (ServerInstance->XLines->DelLine(target.c_str(),"K",user)) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s removed K-line on %s",user->nick.c_str(),target.c_str()); + } + else + { + user->WriteNotice("*** K-Line " + target + " not found in list, try /stats k."); + } + } + + return CMD_SUCCESS; +} diff --git a/src/coremods/core_xline/cmd_qline.cpp b/src/coremods/core_xline/cmd_qline.cpp new file mode 100644 index 000000000..955efeaf0 --- /dev/null +++ b/src/coremods/core_xline/cmd_qline.cpp @@ -0,0 +1,90 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc> + * Copyright (C) 2007 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 "xline.h" +#include "core_xline.h" + +CommandQline::CommandQline(Module* parent) + : Command(parent, "QLINE", 1, 3) +{ + flags_needed = 'o'; + Penalty = 0; + syntax = "<nick> [<duration> :<reason>]"; +} + +CmdResult CommandQline::Handle (const std::vector<std::string>& parameters, User *user) +{ + if (parameters.size() >= 3) + { + NickMatcher matcher; + if (InsaneBan::MatchesEveryone(parameters[0], matcher, user, "Q", "nickmasks")) + return CMD_FAILURE; + + if (parameters[0].find('@') != std::string::npos || parameters[0].find('!') != std::string::npos || parameters[0].find('.') != std::string::npos) + { + user->WriteNotice("*** A Q-Line only bans a nick pattern, not a nick!user@host pattern."); + return CMD_FAILURE; + } + + unsigned long duration = InspIRCd::Duration(parameters[1]); + QLine* ql = new QLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str()); + if (ServerInstance->XLines->AddLine(ql,user)) + { + if (!duration) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent Q-line for %s: %s",user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str()); + } + else + { + time_t c_requires_crap = duration + ServerInstance->Time(); + std::string timestr = InspIRCd::TimeString(c_requires_crap); + ServerInstance->SNO->WriteToSnoMask('x',"%s added timed Q-line for %s, expires on %s: %s",user->nick.c_str(),parameters[0].c_str(), + timestr.c_str(), parameters[2].c_str()); + } + ServerInstance->XLines->ApplyLines(); + } + else + { + delete ql; + user->WriteNotice("*** Q-Line for " + parameters[0] + " already exists"); + } + } + else + { + if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "Q", user)) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s removed Q-line on %s",user->nick.c_str(),parameters[0].c_str()); + } + else + { + user->WriteNotice("*** Q-Line " + parameters[0] + " not found in list, try /stats q."); + return CMD_FAILURE; + } + } + + return CMD_SUCCESS; +} + +bool CommandQline::NickMatcher::Check(User* user, const std::string& nick) const +{ + return InspIRCd::Match(user->nick, nick); +} diff --git a/src/coremods/core_xline/cmd_zline.cpp b/src/coremods/core_xline/cmd_zline.cpp new file mode 100644 index 000000000..859be1004 --- /dev/null +++ b/src/coremods/core_xline/cmd_zline.cpp @@ -0,0 +1,108 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> + * Copyright (C) 2009 Matt Smith <dz@inspircd.org> + * Copyright (C) 2007-2008 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 "xline.h" +#include "core_xline.h" + +CommandZline::CommandZline(Module* parent) + : Command(parent, "ZLINE", 1, 3) +{ + flags_needed = 'o'; + Penalty = 0; + syntax = "<ipmask> [<duration> :<reason>]"; +} + +CmdResult CommandZline::Handle (const std::vector<std::string>& parameters, User *user) +{ + std::string target = parameters[0]; + + if (parameters.size() >= 3) + { + if (target.find('!') != std::string::npos) + { + user->WriteNotice("*** You cannot include a nickname in a zline, a zline must ban only an IP mask"); + return CMD_FAILURE; + } + + User *u = ServerInstance->FindNick(target); + + if ((u) && (u->registered == REG_ALL)) + { + target = u->GetIPString(); + } + + const char* ipaddr = target.c_str(); + + if (strchr(ipaddr,'@')) + { + while (*ipaddr != '@') + ipaddr++; + ipaddr++; + } + + IPMatcher matcher; + if (InsaneBan::MatchesEveryone(ipaddr, matcher, user, "Z", "ipmasks")) + return CMD_FAILURE; + + unsigned long duration = InspIRCd::Duration(parameters[1]); + ZLine* zl = new ZLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), ipaddr); + if (ServerInstance->XLines->AddLine(zl,user)) + { + if (!duration) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent Z-line for %s: %s", user->nick.c_str(), ipaddr, parameters[2].c_str()); + } + else + { + time_t c_requires_crap = duration + ServerInstance->Time(); + std::string timestr = InspIRCd::TimeString(c_requires_crap); + ServerInstance->SNO->WriteToSnoMask('x',"%s added timed Z-line for %s, expires on %s: %s",user->nick.c_str(),ipaddr, + timestr.c_str(), parameters[2].c_str()); + } + ServerInstance->XLines->ApplyLines(); + } + else + { + delete zl; + user->WriteNotice("*** Z-Line for " + std::string(ipaddr) + " already exists"); + } + } + else + { + if (ServerInstance->XLines->DelLine(target.c_str(),"Z",user)) + { + ServerInstance->SNO->WriteToSnoMask('x',"%s removed Z-line on %s",user->nick.c_str(),target.c_str()); + } + else + { + user->WriteNotice("*** Z-Line " + target + " not found in list, try /stats Z."); + return CMD_FAILURE; + } + } + + return CMD_SUCCESS; +} + +bool CommandZline::IPMatcher::Check(User* user, const std::string& ip) const +{ + return InspIRCd::Match(user->GetIPString(), ip, ascii_case_insensitive_map); +} diff --git a/src/coremods/core_xline/core_xline.cpp b/src/coremods/core_xline/core_xline.cpp new file mode 100644 index 000000000..7fa7da019 --- /dev/null +++ b/src/coremods/core_xline/core_xline.cpp @@ -0,0 +1,93 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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 "xline.h" +#include "core_xline.h" + +bool InsaneBan::MatchesEveryone(const std::string& mask, MatcherBase& test, User* user, const char* bantype, const char* confkey) +{ + ConfigTag* insane = ServerInstance->Config->ConfValue("insane"); + + if (insane->getBool(confkey)) + return false; + + float itrigger = insane->getFloat("trigger", 95.5); + + long matches = test.Run(mask); + + if (!matches) + return false; + + float percent = ((float)matches / (float)ServerInstance->Users->GetUsers().size()) * 100; + if (percent > itrigger) + { + ServerInstance->SNO->WriteToSnoMask('a', "\2WARNING\2: %s tried to set a %s-line mask of %s, which covers %.2f%% of the network!", user->nick.c_str(), bantype, mask.c_str(), percent); + return true; + } + return false; +} + +bool InsaneBan::IPHostMatcher::Check(User* user, const std::string& mask) const +{ + return ((InspIRCd::Match(user->MakeHost(), mask, ascii_case_insensitive_map)) || + (InspIRCd::Match(user->MakeHostIP(), mask, ascii_case_insensitive_map))); +} + +class CoreModXLine : public Module +{ + CommandEline cmdeline; + CommandGline cmdgline; + CommandKline cmdkline; + CommandQline cmdqline; + CommandZline cmdzline; + + public: + CoreModXLine() + : cmdeline(this), cmdgline(this), cmdkline(this), cmdqline(this), cmdzline(this) + { + } + + ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) CXX11_OVERRIDE + { + // Check Q-Lines (for local nick changes only, remote servers have our Q-Lines to enforce themselves) + + XLine* xline = ServerInstance->XLines->MatchesLine("Q", newnick); + if (!xline) + return MOD_RES_PASSTHRU; // No match + + // A Q-Line matched the new nick, tell opers if the user is registered + if (user->registered == REG_ALL) + { + ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s", + newnick.c_str(), user->GetFullRealHost().c_str(), xline->reason.c_str()); + } + + // Send a numeric because if we deny then the core doesn't reply anything + user->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Invalid nickname: %s", newnick.c_str(), xline->reason.c_str()); + return MOD_RES_DENY; + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Provides the ELINE, GLINE, KLINE, QLINE, and ZLINE commands", VF_VENDOR|VF_CORE); + } +}; + +MODULE_INIT(CoreModXLine) diff --git a/src/coremods/core_xline/core_xline.h b/src/coremods/core_xline/core_xline.h new file mode 100644 index 000000000..d4ad498a0 --- /dev/null +++ b/src/coremods/core_xline/core_xline.h @@ -0,0 +1,164 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com> + * + * 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/>. + */ + + +#pragma once + +#include "inspircd.h" + +class InsaneBan +{ + public: + class MatcherBase + { + public: + virtual long Run(const std::string& mask) = 0; + }; + + template <typename T> + class Matcher : public MatcherBase + { + public: + long Run(const std::string& mask) + { + long matches = 0; + const T* c = static_cast<T*>(this); + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i) + { + if (c->Check(i->second, mask)) + matches++; + } + return matches; + } + }; + + class IPHostMatcher : public Matcher<IPHostMatcher> + { + public: + bool Check(User* user, const std::string& mask) const; + }; + + /** Check if the given mask matches too many users according to the config, send an announcement if yes + * @param mask A mask to match against + * @param test The test that determines if a user matches the mask or not + * @param user A user whose nick will be included in the announcement if one is made + * @param bantype Type of the ban being set, will be used in the announcement if one is made + * @param confkey Name of the config key (inside the insane tag) which if false disables any checking + * @return True if the given mask matches too many users, false if not + */ + static bool MatchesEveryone(const std::string& mask, MatcherBase& test, User* user, const char* bantype, const char* confkey); +}; + +/** Handle /ELINE. + */ +class CommandEline : public Command +{ + public: + /** Constructor for eline. + */ + CommandEline(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /GLINE. + */ +class CommandGline : public Command +{ + public: + /** Constructor for gline. + */ + CommandGline(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /KLINE. + */ +class CommandKline : public Command +{ + public: + /** Constructor for kline. + */ + CommandKline(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /QLINE. + */ +class CommandQline : public Command +{ + class NickMatcher : public InsaneBan::Matcher<NickMatcher> + { + public: + bool Check(User* user, const std::string& mask) const; + }; + + public: + /** Constructor for qline. + */ + CommandQline(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param pcnt The number of parameters passed to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; + +/** Handle /ZLINE. + */ +class CommandZline : public Command +{ + class IPMatcher : public InsaneBan::Matcher<IPMatcher> + { + public: + bool Check(User* user, const std::string& mask) const; + }; + + public: + /** Constructor for zline. + */ + CommandZline(Module* parent); + + /** Handle command. + * @param parameters The parameters to the command + * @param user The user issuing the command + * @return A value from CmdResult to indicate command success or failure. + */ + CmdResult Handle(const std::vector<std::string>& parameters, User* user); +}; |