]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/users.cpp
Add support for blocking tag messages with the deaf mode.
[user/henk/code/inspircd.git] / src / users.cpp
index 37e3814855b3555d71303bcd3d5463da48ea5c62..7029accc052a6c38ae6ee23cafb5f943c59d2671 100644 (file)
@@ -1,13 +1,24 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- *   Copyright (C) 2006-2009 Robin Burchell <robin+git@viroteck.net>
- *   Copyright (C) 2006-2007, 2009 Dennis Friis <peavey@inspircd.org>
- *   Copyright (C) 2008 John Brooks <john.brooks@dereferenced.net>
+ *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2018 systocrat <systocrat@outlook.com>
+ *   Copyright (C) 2018 Dylan Frank <b00mx0r@aureus.pw>
+ *   Copyright (C) 2013, 2016-2021 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ *   Copyright (C) 2013 ChrisTX <xpipe@hotmail.de>
+ *   Copyright (C) 2013 Adam <Adam@anope.org>
+ *   Copyright (C) 2012-2016, 2018 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 DjSlash <djslash@djslash.org>
+ *   Copyright (C) 2011 jackmcbarn <jackmcbarn@inspircd.org>
+ *   Copyright (C) 2009-2011 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
  *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
- *   Copyright (C) 2008 Oliver Lupton <oliverlupton@gmail.com>
- *   Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2008 John Brooks <special@inspircd.org>
+ *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006-2009 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2004, 2006-2009 Craig Edwards <brain@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
@@ -78,6 +89,9 @@ User::User(const std::string& uid, Server* srv, UserType type)
 
        ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
 
+       if (srv->IsULine())
+               ServerInstance->Users.all_ulines.push_back(this);
+
        // Do not insert FakeUsers into the uuidlist so FindUUID() won't return them which is the desired behavior
        if (type != USERTYPE_SERVER)
        {
@@ -112,6 +126,15 @@ LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::so
        ChangeRealHost(GetIPString(), true);
 }
 
+LocalUser::LocalUser(int myfd, const std::string& uid, Serializable::Data& data)
+       : User(uid, ServerInstance->FakeClient->server, USERTYPE_LOCAL)
+       , eh(this)
+       , already_sent(0)
+{
+       eh.SetFd(myfd);
+       Deserialize(data);
+}
+
 User::~User()
 {
 }
@@ -205,6 +228,19 @@ bool LocalUser::HasPrivPermission(const std::string& privstr)
        return oper->AllowedPrivs.Contains(privstr);
 }
 
+bool User::HasSnomaskPermission(char chr) const
+{
+       return true;
+}
+
+bool LocalUser::HasSnomaskPermission(char chr) const
+{
+       if (!this->IsOper() || !ModeParser::IsModeChar(chr))
+               return false;
+
+       return this->oper->AllowedSnomasks[chr - 'A'];
+}
+
 void UserIOHandler::OnDataReady()
 {
        if (user->quitting)
@@ -314,10 +350,10 @@ bool UserIOHandler::OnSetEndPoint(const irc::sockets::sockaddrs& server, const i
        return !user->quitting;
 }
 
-void UserIOHandler::OnError(BufferedSocketError error)
+void UserIOHandler::OnError(BufferedSocketError sockerr)
 {
        ModResult res;
-       FIRST_MOD_RESULT(OnConnectionFail, res, (user, error));
+       FIRST_MOD_RESULT(OnConnectionFail, res, (user, sockerr));
        if (res != MOD_RES_ALLOW)
                ServerInstance->Users->QuitUser(user, getError());
 }
@@ -330,6 +366,9 @@ CullResult User::cull()
        if (client_sa.family() != AF_UNSPEC)
                ServerInstance->Users->RemoveCloneCounts(this);
 
+       if (server->IsULine())
+               stdalgo::erase(ServerInstance->Users->all_ulines, this);
+
        return Extensible::cull();
 }
 
@@ -386,14 +425,36 @@ void User::Oper(OperInfo* info)
        FOREACH_MOD(OnPostOper, (this, oper->name, opername));
 }
 
+namespace
+{
+       bool ParseModeList(std::bitset<64>& modeset, ConfigTag* tag, const std::string& field)
+       {
+               std::string modes;
+               bool hasmodes = tag->readString(field, modes);
+               for (std::string::const_iterator iter = modes.begin(); iter != modes.end(); ++iter)
+               {
+                       const char& chr = *iter;
+                       if (chr == '*')
+                               modeset.set();
+                       else if (ModeParser::IsModeChar(chr))
+                               modeset.set(chr - 'A');
+                       else
+                               ServerInstance->Logs->Log("CONFIG", LOG_DEFAULT, "'%c' is not a valid value for <class:%s>, ignoring...", chr, field.c_str());
+               }
+               return hasmodes;
+       }
+}
+
 void OperInfo::init()
 {
        AllowedOperCommands.Clear();
        AllowedPrivs.Clear();
        AllowedUserModes.reset();
        AllowedChanModes.reset();
+       AllowedSnomasks.reset();
        AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
 
+       bool defaultsnomasks = true;
        for(std::vector<reference<ConfigTag> >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter)
        {
                ConfigTag* tag = *iter;
@@ -401,32 +462,15 @@ void OperInfo::init()
                AllowedOperCommands.AddList(tag->getString("commands"));
                AllowedPrivs.AddList(tag->getString("privs"));
 
-               std::string modes = tag->getString("usermodes");
-               for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
-               {
-                       if (*c == '*')
-                       {
-                               this->AllowedUserModes.set();
-                       }
-                       else if (*c >= 'A' && *c <= 'z')
-                       {
-                               this->AllowedUserModes[*c - 'A'] = true;
-                       }
-               }
-
-               modes = tag->getString("chanmodes");
-               for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c)
-               {
-                       if (*c == '*')
-                       {
-                               this->AllowedChanModes.set();
-                       }
-                       else if (*c >= 'A' && *c <= 'z')
-                       {
-                               this->AllowedChanModes[*c - 'A'] = true;
-                       }
-               }
+               ParseModeList(AllowedChanModes, tag, "chanmodes");
+               ParseModeList(AllowedUserModes, tag, "usermodes");
+               if (ParseModeList(AllowedSnomasks, tag, "snomasks"))
+                       defaultsnomasks = false;
        }
+
+       // Compatibility for older configs that don't have the snomasks field.
+       if (defaultsnomasks)
+               AllowedSnomasks.set();
 }
 
 void User::UnOper()
@@ -441,6 +485,13 @@ void User::UnOper()
         */
        oper = NULL;
 
+       // Remove the user from the oper list
+       stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
+
+       // If the user is quitting we shouldn't remove any modes as it results in
+       // mode messages being broadcast across the network.
+       if (quitting)
+               return;
 
        /* Remove all oper only modes from the user when the deoper - Bug #466*/
        Modes::ChangeList changelist;
@@ -454,9 +505,6 @@ void User::UnOper()
 
        ServerInstance->Modes->Process(this, NULL, this, changelist);
 
-       // Remove the user from the oper list
-       stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
-
        ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
        if (opermh)
                this->SetMode(opermh, false);
@@ -477,7 +525,7 @@ void LocalUser::CheckClass(bool clone_count)
        }
        else if (a->type == CC_DENY)
        {
-               ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
+               ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection", 1));
                return;
        }
        else if (clone_count)
@@ -537,7 +585,7 @@ void LocalUser::FullConnect()
        /*
         * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
         * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
-        * may put the user into a totally seperate class with different restrictions! so we *must* check again.
+        * may put the user into a totally separate class with different restrictions! so we *must* check again.
         * Don't remove this! -- w00t
         */
        MyClass = NULL;
@@ -745,17 +793,16 @@ void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa)
                return;
 
        ServerInstance->Users->RemoveCloneCounts(this);
-
        User::SetClientIP(sa);
-
-       FOREACH_MOD(OnSetUserIP, (this));
-
        ServerInstance->Users->AddClone(this);
 
        // Recheck the connect class.
        this->MyClass = NULL;
        this->SetClass();
        this->CheckClass();
+
+       if (!quitting)
+               FOREACH_MOD(OnSetUserIP, (this));
 }
 
 void LocalUser::Write(const ClientProtocol::SerializedMessage& text)
@@ -841,7 +888,7 @@ void User::WriteNumeric(const Numeric::Numeric& numeric)
 
 void User::WriteRemoteNotice(const std::string& text)
 {
-       ServerInstance->PI->SendUserNotice(this, text);
+       ServerInstance->PI->SendMessage(this, text, MSG_NOTICE);
 }
 
 void LocalUser::WriteRemoteNotice(const std::string& text)
@@ -969,8 +1016,8 @@ bool User::ChangeRealName(const std::string& real)
                FIRST_MOD_RESULT(OnPreChangeRealName, MOD_RESULT, (IS_LOCAL(this), real));
                if (MOD_RESULT == MOD_RES_DENY)
                        return false;
-               FOREACH_MOD(OnChangeRealName, (this, real));
        }
+       FOREACH_MOD(OnChangeRealName, (this, real));
        this->realname.assign(real, 0, ServerInstance->Config->Limits.MaxReal);
 
        return true;
@@ -1028,6 +1075,10 @@ void User::ChangeRealHost(const std::string& host, bool resetdisplay)
        if (!changehost)
                return;
 
+       // Don't call the OnChangeRealHost event when initialising a user.
+       if (!realhost.empty())
+               FOREACH_MOD(OnChangeRealHost, (this, host));
+
        realhost = host;
        this->InvalidateCache();
 }
@@ -1054,10 +1105,10 @@ bool User::ChangeIdent(const std::string& newident)
  */
 void LocalUser::SetClass(const std::string &explicit_name)
 {
-       ConnectClass *found = NULL;
-
-       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str());
+       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for %s (%s) ...",
+               this->uuid.c_str(), this->GetFullRealHost().c_str());
 
+       ConnectClass *found = NULL;
        if (!explicit_name.empty())
        {
                for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
@@ -1066,7 +1117,8 @@ void LocalUser::SetClass(const std::string &explicit_name)
 
                        if (explicit_name == c->name)
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Connect class explicitly set to %s",
+                                       explicit_name.c_str());
                                found = c;
                        }
                }
@@ -1076,31 +1128,43 @@ void LocalUser::SetClass(const std::string &explicit_name)
                for (ServerConfig::ClassVector::const_iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); ++i)
                {
                        ConnectClass* c = *i;
-                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str());
+                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking the %s connect class ...",
+                                       c->GetName().c_str());
 
                        ModResult MOD_RESULT;
                        FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c));
                        if (MOD_RESULT == MOD_RES_DENY)
                                continue;
+
                        if (MOD_RESULT == MOD_RES_ALLOW)
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class was explicitly chosen by a module",
+                                       c->GetName().c_str());
                                found = c;
                                break;
                        }
 
                        if (c->type == CC_NAMED)
+                       {
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as neither <connect:allow> nor <connect:deny> are set",
+                                               c->GetName().c_str());
                                continue;
+                       }
 
                        bool regdone = (registered != REG_NONE);
                        if (c->config->getBool("registered", regdone) != regdone)
+                       {
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as it requires that the user is %s",
+                                               c->GetName().c_str(), regdone ? "not fully connected" : "fully connected");
                                continue;
+                       }
 
                        /* check if host matches.. */
                        if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) &&
-                           !InspIRCd::MatchCIDR(this->GetRealHost(), c->GetHost(), NULL))
+                               !InspIRCd::MatchCIDR(this->GetRealHost(), c->GetHost(), NULL))
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str());
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as neither the host (%s) nor the IP (%s) matches %s",
+                                       c->GetName().c_str(), this->GetRealHost().c_str(), this->GetIPString().c_str(), c->GetHost().c_str());
                                continue;
                        }
 
@@ -1110,31 +1174,29 @@ void LocalUser::SetClass(const std::string &explicit_name)
                         */
                        if (c->limit && (c->GetReferenceCount() >= c->limit))
                        {
-                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as it has reached its user limit (%lu)",
+                                               c->GetName().c_str(), c->limit);
                                continue;
                        }
 
-                       /* if it requires a port ... */
-                       if (!c->ports.empty())
+                       /* if it requires a port and our port doesn't match, fail */
+                       if (!c->ports.empty() && !c->ports.count(this->server_sa.port()))
                        {
-                               /* and our port doesn't match, fail. */
-                               if (!c->ports.count(this->server_sa.port()))
-                               {
-                                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires a different port, skipping");
-                                       continue;
-                               }
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as the connection port (%d) is not any of %s",
+                                       c->GetName().c_str(), this->server_sa.port(), stdalgo::string::join(c->ports).c_str());
+                               continue;
                        }
 
-                       if (regdone && !c->config->getString("password").empty())
+                       if (regdone && !c->password.empty() && !ServerInstance->PassCompare(this, c->password, password, c->passwordhash))
                        {
-                               if (!ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash")))
-                               {
-                                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping");
-                                       continue;
-                               }
+                               ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is not suitable as requires a password and %s",
+                                       c->GetName().c_str(), password.empty() ? "one was not provided" : "the provided password was incorrect");
+                               continue;
                        }
 
                        /* we stop at the first class that meets ALL critera. */
+                       ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "The %s connect class is suitable for %s (%s)",
+                               c->GetName().c_str(), this->uuid.c_str(), this->GetFullRealHost().c_str());
                        found = c;
                        break;
                }
@@ -1185,10 +1247,24 @@ const std::string& FakeUser::GetFullRealHost()
 }
 
 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
-       : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
-       pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
-       penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(ServerInstance->Config->MaxChans),
-       limit(0), resolvehostnames(true)
+       : config(tag)
+       , type(t)
+       , fakelag(true)
+       , name("unnamed")
+       , registration_timeout(0)
+       , host(mask)
+       , pingtime(0)
+       , softsendqmax(0)
+       , hardsendqmax(0)
+       , recvqmax(0)
+       , penaltythreshold(0)
+       , commandrate(0)
+       , maxlocal(0)
+       , maxglobal(0)
+       , maxconnwarn(true)
+       , maxchans(0)
+       , limit(0)
+       , resolvehostnames(true)
 {
 }
 
@@ -1246,4 +1322,6 @@ void ConnectClass::Update(const ConnectClass* src)
        limit = src->limit;
        resolvehostnames = src->resolvehostnames;
        ports = src->ports;
+       password = src->password;
+       passwordhash = src->passwordhash;
 }