]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/users.cpp
Merge branch 'master+websocket'
[user/henk/code/inspircd.git] / src / users.cpp
index 8d22d166ced3500ccfdc7c57ebe367bb5c9cabbb..afc8f6f11bc17199f217cf5b862a8119fa88a97c 100644 (file)
@@ -26,8 +26,6 @@
 #include "inspircd.h"
 #include "xline.h"
 
-already_sent_t LocalUser::already_sent_id = 0;
-
 bool User::IsNoticeMaskSet(unsigned char sm)
 {
        if (!isalpha(sm))
@@ -76,8 +74,12 @@ User::User(const std::string& uid, Server* srv, int type)
 
        ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str());
 
-       if (!ServerInstance->Users->uuidlist.insert(std::make_pair(uuid, this)).second)
-               throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
+       // Do not insert FakeUsers into the uuidlist so FindUUID() won't return them which is the desired behavior
+       if (type != USERTYPE_SERVER)
+       {
+               if (!ServerInstance->Users.uuidlist.insert(std::make_pair(uuid, this)).second)
+                       throw CoreException("Duplicate UUID in User constructor: " + uuid);
+       }
 }
 
 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
@@ -97,8 +99,6 @@ LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::so
 
 User::~User()
 {
-       if (ServerInstance->FindUUID(uuid))
-               ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str());
 }
 
 const std::string& User::MakeHost()
@@ -141,28 +141,6 @@ const std::string& User::GetFullRealHost()
        return this->cached_fullrealhost;
 }
 
-InviteList& LocalUser::GetInviteList()
-{
-       RemoveExpiredInvites();
-       return invites;
-}
-
-bool LocalUser::RemoveInvite(Channel* chan)
-{
-       Invitation* inv = Invitation::Find(chan, this);
-       if (inv)
-       {
-               delete inv;
-               return true;
-       }
-       return false;
-}
-
-void LocalUser::RemoveExpiredInvites()
-{
-       Invitation::Find(NULL, this);
-}
-
 bool User::HasModePermission(unsigned char, ModeType)
 {
        return true;
@@ -279,7 +257,7 @@ void UserIOHandler::OnDataReady()
                return;
 eol_found:
                // just found a newline. Terminate the string, and pull it out of recvq
-               recvq = recvq.substr(qpos);
+               recvq.erase(0, qpos);
 
                // TODO should this be moved to when it was inserted in recvq?
                ServerInstance->stats.Recv += qpos;
@@ -330,7 +308,6 @@ CullResult User::cull()
 
 CullResult LocalUser::cull()
 {
-       ClearInvites();
        eh.cull();
        return User::cull();
 }
@@ -339,8 +316,7 @@ CullResult FakeUser::cull()
 {
        // Fake users don't quit, they just get culled.
        quitting = true;
-       // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist
-       ServerInstance->Users->uuidlist.erase(uuid);
+       // Fake users are not inserted into UserManager::clientlist or uuidlist, so we don't need to modify those here
        return User::cull();
 }
 
@@ -364,7 +340,7 @@ void User::Oper(OperInfo* info)
                LocalUser* l = IS_LOCAL(this);
                std::string vhost = oper->getConfig("vhost");
                if (!vhost.empty())
-                       l->ChangeDisplayedHost(vhost.c_str());
+                       l->ChangeDisplayedHost(vhost);
                std::string opClass = oper->getConfig("class");
                if (!opClass.empty())
                        l->SetClass(opClass);
@@ -372,7 +348,7 @@ void User::Oper(OperInfo* info)
 
        ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
                nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
-       this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
+       this->WriteNumeric(RPL_YOUAREOPER, InspIRCd::Format("You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str()));
 
        ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
        ServerInstance->Users->all_opers.push_back(this);
@@ -451,21 +427,16 @@ void User::UnOper()
 
 
        /* Remove all oper only modes from the user when the deoper - Bug #466*/
-       std::string moderemove("-");
-
-       for (unsigned char letter = 'A'; letter <= 'z'; letter++)
+       Modes::ChangeList changelist;
+       const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER);
+       for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ++i)
        {
-               ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
-               if (mh && mh->NeedsOper())
-                       moderemove += letter;
+               ModeHandler* mh = i->second;
+               if (mh->NeedsOper())
+                       changelist.push_remove(mh);
        }
 
-
-       std::vector<std::string> parameters;
-       parameters.push_back(this->nick);
-       parameters.push_back(moderemove);
-
-       ServerInstance->Modes->Process(parameters, this);
+       ServerInstance->Modes->Process(this, NULL, this, changelist);
 
        // Remove the user from the oper list
        stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);
@@ -553,12 +524,12 @@ void LocalUser::FullConnect()
        if (quitting)
                return;
 
-       this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str());
-       this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH);
-       this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__);
+       this->WriteNumeric(RPL_WELCOME, InspIRCd::Format("Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str()));
+       this->WriteNumeric(RPL_YOURHOSTIS, InspIRCd::Format("Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH));
+       this->WriteNumeric(RPL_SERVERCREATED, InspIRCd::Format("This server was created %s %s", __TIME__, __DATE__));
 
        const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
-       this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), INSPIRCD_BRANCH, modelist.c_str());
+       this->WriteNumeric(RPL_SERVERVERSION, ServerInstance->Config->ServerName, INSPIRCD_BRANCH, modelist);
 
        ServerInstance->ISupport.SendTo(this);
 
@@ -644,7 +615,7 @@ bool User::ChangeNick(const std::string& newnick, time_t newts)
                        {
                                /* force the camper to their UUID, and ask them to re-send a NICK. */
                                InUse->WriteFrom(InUse, "NICK %s", InUse->uuid.c_str());
-                               InUse->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", InUse->nick.c_str());
+                               InUse->WriteNumeric(ERR_NICKNAMEINUSE, InUse->nick, "Nickname overruled.");
 
                                InUse->registered &= ~REG_NICK;
                                InUse->ChangeNick(InUse->uuid);
@@ -652,7 +623,7 @@ bool User::ChangeNick(const std::string& newnick, time_t newts)
                        else
                        {
                                /* No camping, tell the incoming user  to stop trying to change nick ;p */
-                               this->WriteNumeric(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str());
+                               this->WriteNumeric(ERR_NICKNAMEINUSE, newnick, "Nickname is already in use.");
                                return false;
                        }
                }
@@ -771,7 +742,7 @@ void LocalUser::Write(const std::string& text)
        if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
        {
                // this should happen rarely or never. Crop the string at 512 and try again.
-               std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
+               std::string try_again(text, 0, ServerInstance->Config->Limits.MaxLine - 2);
                Write(try_again);
                return;
        }
@@ -815,25 +786,33 @@ void User::WriteCommand(const char* command, const std::string& text)
        this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text);
 }
 
-void User::WriteNumeric(unsigned int numeric, const char* text, ...)
+namespace
 {
-       std::string textbuffer;
-       VAFORMAT(textbuffer, text, text);
-       this->WriteNumeric(numeric, textbuffer);
+       std::string BuildNumeric(const std::string& source, User* targetuser, unsigned int num, const std::vector<std::string>& params)
+       {
+               const char* const target = (targetuser->registered & REG_NICK ? targetuser->nick.c_str() : "*");
+               std::string raw = InspIRCd::Format(":%s %03u %s", source.c_str(), num, target);
+               if (!params.empty())
+               {
+                       for (std::vector<std::string>::const_iterator i = params.begin(); i != params.end()-1; ++i)
+                               raw.append(1, ' ').append(*i);
+                       raw.append(" :").append(params.back());
+               }
+               return raw;
+       }
 }
 
-void User::WriteNumeric(unsigned int numeric, const std::string &text)
+void User::WriteNumeric(const Numeric::Numeric& numeric)
 {
        ModResult MOD_RESULT;
 
-       FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
+       FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric));
 
        if (MOD_RESULT == MOD_RES_DENY)
                return;
 
-       const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(),
-               numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str());
-       this->Write(message);
+       const std::string& servername = (numeric.GetServer() ? numeric.GetServer()->GetName() : ServerInstance->Config->ServerName);
+       this->Write(BuildNumeric(servername, this, numeric.GetNumeric(), numeric.GetParams()));
 }
 
 void User::WriteFrom(User *user, const std::string &text)
@@ -852,133 +831,105 @@ void User::WriteFrom(User *user, const char* text, ...)
        this->WriteFrom(user, textbuffer);
 }
 
-void User::WriteCommon(const char* text, ...)
+void User::WriteRemoteNotice(const std::string& text)
 {
-       if (this->registered != REG_ALL || quitting)
-               return;
-
-       std::string textbuffer;
-       VAFORMAT(textbuffer, text, text);
-       textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
-       this->WriteCommonRaw(textbuffer, true);
+       ServerInstance->PI->SendUserNotice(this, text);
 }
 
-void User::WriteCommonRaw(const std::string &line, bool include_self)
+void LocalUser::WriteRemoteNotice(const std::string& text)
 {
-       if (this->registered != REG_ALL || quitting)
-               return;
-
-       LocalUser::already_sent_id++;
-
-       IncludeChanList include_c(chans.begin(), chans.end());
-       std::map<User*,bool> exceptions;
-
-       exceptions[this] = include_self;
-
-       FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
+       WriteNotice(text);
+}
 
-       for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
+namespace
+{
+       class WriteCommonRawHandler : public User::ForEachNeighborHandler
        {
-               LocalUser* u = IS_LOCAL(i->first);
-               if (u && !u->quitting)
+               const std::string& msg;
+
+               void Execute(LocalUser* user) CXX11_OVERRIDE
                {
-                       u->already_sent = LocalUser::already_sent_id;
-                       if (i->second)
-                               u->Write(line);
+                       user->Write(msg);
                }
-       }
-       for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
-       {
-               Channel* c = (*v)->chan;
-               const Channel::MemberMap& ulist = c->GetUsers();
-               for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); ++i)
+
+        public:
+               WriteCommonRawHandler(const std::string& message)
+                       : msg(message)
                {
-                       LocalUser* u = IS_LOCAL(i->first);
-                       if (u && u->already_sent != LocalUser::already_sent_id)
-                       {
-                               u->already_sent = LocalUser::already_sent_id;
-                               u->Write(line);
-                       }
                }
-       }
+       };
 }
 
-void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
+void User::WriteCommon(const char* text, ...)
 {
-       if (this->registered != REG_ALL)
-               return;
+       std::string textbuffer;
+       VAFORMAT(textbuffer, text, text);
+       textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
+       this->WriteCommonRaw(textbuffer, true);
+}
 
-       already_sent_t uniq_id = ++LocalUser::already_sent_id;
+void User::WriteCommonRaw(const std::string &line, bool include_self)
+{
+       WriteCommonRawHandler handler(line);
+       ForEachNeighbor(handler, include_self);
+}
 
-       const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
-       const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
+void User::ForEachNeighbor(ForEachNeighborHandler& handler, bool include_self)
+{
+       // The basic logic for visiting the neighbors of a user is to iterate the channel list of the user
+       // and visit all users on those channels. Because two users may share more than one common channel,
+       // we must skip users that we have already visited.
+       // To do this, we make use of a global counter and an integral 'already_sent' field in LocalUser.
+       // The global counter is incremented every time we do something for each neighbor of a user. Then,
+       // before visiting a member we examine user->already_sent. If it's equal to the current counter, we
+       // skip the member. Otherwise, we set it to the current counter and visit the member.
 
-       IncludeChanList include_c(chans.begin(), chans.end());
-       std::map<User*,bool> exceptions;
+       // Ask modules to build a list of exceptions.
+       // Mods may also exclude entire channels by erasing them from include_chans.
+       IncludeChanList include_chans(chans.begin(), chans.end());
+       std::map<User*, bool> exceptions;
+       exceptions[this] = include_self;
+       FOREACH_MOD(OnBuildNeighborList, (this, include_chans, exceptions));
 
-       FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions));
+       // Get next id, guaranteed to differ from the already_sent field of all users
+       const already_sent_t newid = ServerInstance->Users.NextAlreadySentId();
 
-       for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
+       // Handle exceptions first
+       for (std::map<User*, bool>::const_iterator i = exceptions.begin(); i != exceptions.end(); ++i)
        {
-               LocalUser* u = IS_LOCAL(i->first);
-               if (u && !u->quitting)
+               LocalUser* curr = IS_LOCAL(i->first);
+               if (curr)
                {
-                       u->already_sent = uniq_id;
-                       if (i->second)
-                               u->Write(u->IsOper() ? operMessage : normalMessage);
+                       // Mark as visited to ensure we won't visit again if there is a common channel
+                       curr->already_sent = newid;
+                       // Always treat quitting users as excluded
+                       if ((i->second) && (!curr->quitting))
+                               handler.Execute(curr);
                }
        }
-       for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v)
+
+       // Now consider the real neighbors
+       for (IncludeChanList::const_iterator i = include_chans.begin(); i != include_chans.end(); ++i)
        {
-               const Channel::MemberMap& ulist = (*v)->chan->GetUsers();
-               for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); i++)
+               Channel* chan = (*i)->chan;
+               const Channel::MemberMap& userlist = chan->GetUsers();
+               for (Channel::MemberMap::const_iterator j = userlist.begin(); j != userlist.end(); ++j)
                {
-                       LocalUser* u = IS_LOCAL(i->first);
-                       if (u && (u->already_sent != uniq_id))
+                       LocalUser* curr = IS_LOCAL(j->first);
+                       // User not yet visited?
+                       if ((curr) && (curr->already_sent != newid))
                        {
-                               u->already_sent = uniq_id;
-                               u->Write(u->IsOper() ? operMessage : normalMessage);
+                               // Mark as visited and execute function
+                               curr->already_sent = newid;
+                               handler.Execute(curr);
                        }
                }
        }
 }
 
-void LocalUser::SendText(const std::string& line)
-{
-       Write(line);
-}
-
-void RemoteUser::SendText(const std::string& line)
+void User::WriteRemoteNumeric(const Numeric::Numeric& numeric)
 {
-       ServerInstance->PI->PushToClient(this, line);
-}
-
-void FakeUser::SendText(const std::string& line)
-{
-}
-
-void User::SendText(const char *text, ...)
-{
-       std::string line;
-       VAFORMAT(line, text, text);
-       SendText(line);
-}
-
-void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
-{
-       std::string line;
-       std::string word;
-       while (textStream >> word)
-       {
-               size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
-               if (lineLength > ServerInstance->Config->Limits.MaxLine)
-               {
-                       SendText(linePrefix + line);
-                       line.clear();
-               }
-               line += " " + word;
-       }
-       SendText(linePrefix + line);
+       WriteNumeric(numeric);
 }
 
 /* return 0 or 1 depending if users u and u2 share one or more common channels
@@ -1044,7 +995,7 @@ bool User::ChangeDisplayedHost(const std::string& shost)
        this->InvalidateCache();
 
        if (IS_LOCAL(this))
-               this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str());
+               this->WriteNumeric(RPL_YOURDISPLAYEDHOST, this->dhost, "is now your displayed host");
 
        return true;
 }