]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/users.cpp
Make SAJOIN/SAPART more spanningtree friendly, they are throwbacks to the inspircd...
[user/henk/code/inspircd.git] / src / users.cpp
index f47c33011634a6ad78289f12b783646d490df997..637d7aaf850cab41b441a0093e3a2ca5c6a62d1d 100644 (file)
@@ -141,7 +141,14 @@ void userrec::StartDNSLookup()
        try
        {
                bool cached;
-               res_reverse = new UserResolver(this->ServerInstance, this, this->GetIPString(), DNS_QUERY_REVERSE, cached);
+               const char* ip = this->GetIPString();
+
+               /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */
+               if (!strncmp(ip, "0::ffff:", 8))
+                       res_reverse = new UserResolver(this->ServerInstance, this, ip + 8, DNS_QUERY_PTR4, cached);
+               else
+                       res_reverse = new UserResolver(this->ServerInstance, this, ip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached);
+
                this->ServerInstance->AddResolver(res_reverse, cached);
        }
        catch (CoreException& e)
@@ -169,9 +176,19 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl,
                        {
                                bool cached;
 #ifdef IPV6
-                               const char *ip = this->bound_user->GetIPString();
-                               bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, (strstr(ip,"0::ffff:") == ip ? DNS_QUERY_A : DNS_QUERY_AAAA), cached);
+                               if (this->bound_user->GetProtocolFamily() == AF_INET6)
+                               {
+                                       /* IPV6 forward lookup (with possibility of 4in6) */
+                                       const char* ip = this->bound_user->GetIPString();
+                                       bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, (!strncmp(ip, "0::ffff:", 8) ? DNS_QUERY_A : DNS_QUERY_AAAA), cached);
+                               }
+                               else
+                               {
+                                       /* IPV4 lookup (mixed protocol mode) */
+                                       bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A, cached);
+                               }
 #else
+                               /* IPV4 lookup (ipv4 only mode) */
                                bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A, cached);
 #endif
                                this->ServerInstance->AddResolver(bound_user->res_forward, cached);
@@ -193,7 +210,7 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl,
                        if (hostname.length() < 65)
                        {
                                /* Check we didnt time out */
-                               if (this->bound_user->registered != REG_ALL)
+                               if ((this->bound_user->registered != REG_ALL) && (!this->bound_user->dns_done))
                                {
                                        /* Hostnames starting with : are not a good thing (tm) */
                                        if (*(hostname.c_str()) == ':')
@@ -209,12 +226,20 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl,
                        }
                        else
                        {
-                               this->bound_user->WriteServ("NOTICE Auth :*** Your hostname is longer than the maximum of 64 characters, using your IP address (%s) instead.", this->bound_user->GetIPString());
+                               if (!this->bound_user->dns_done)
+                               {
+                                       this->bound_user->WriteServ("NOTICE Auth :*** Your hostname is longer than the maximum of 64 characters, using your IP address (%s) instead.", this->bound_user->GetIPString());
+                                       this->bound_user->dns_done = true;
+                               }
                        }
                }
                else
                {
-                       this->bound_user->WriteServ("NOTICE Auth :*** Your hostname does not match up with your IP address. Sorry, using your IP address (%s) instead.", this->bound_user->GetIPString());
+                       if (!this->bound_user->dns_done)
+                       {
+                               this->bound_user->WriteServ("NOTICE Auth :*** Your hostname does not match up with your IP address. Sorry, using your IP address (%s) instead.", this->bound_user->GetIPString());
+                               this->bound_user->dns_done = true;
+                       }
                }
        }
 }
@@ -223,9 +248,14 @@ void UserResolver::OnError(ResolverError e, const std::string &errormessage)
 {
        if (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)
        {
-               /* Error message here */
-               this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname: %s; using your IP address (%s) instead.", errormessage.c_str(), this->bound_user->GetIPString());
-               this->bound_user->dns_done = true;
+               /* Since dns timeout is implemented outside of the resolver, this was a race condition that could result in this message being sent *after*
+                * the user was fully connected. This check fixes that issue  - Special */
+               if (!this->bound_user->dns_done)
+               {
+                       /* Error message here */
+                       this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname: %s; using your IP address (%s) instead.", errormessage.c_str(), this->bound_user->GetIPString());
+                       this->bound_user->dns_done = true;
+               }
        }
 }
 
@@ -302,25 +332,28 @@ userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance)
        age = ServerInstance->Time(true);
        lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
        ChannelCount = timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0;
-       exempt = haspassed = dns_done = false;
+       muted = exempt = haspassed = dns_done = false;
        fd = -1;
        recvq = "";
        sendq = "";
        WriteError = "";
        res_forward = res_reverse = NULL;
+       Visibility = NULL;
        ip = NULL;
        chans.clear();
        invites.clear();
        memset(modes,0,sizeof(modes));
        memset(snomasks,0,sizeof(snomasks));
        /* Invalidate cache */
-       cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
+       operquit = cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
 }
 
 userrec::~userrec()
 {
        this->InvalidateCache();
        this->DecrementModes();
+       if (operquit)
+               free(operquit);
        if (ip)
        {
                clonemap::iterator x = ServerInstance->local_clones.find(this->GetIPString());
@@ -717,6 +750,11 @@ void userrec::FlushWriteBuf()
        {
                ServerInstance->Log(DEBUG,"Exception in userrec::FlushWriteBuf()");
        }
+
+       if (this->sendq.empty())
+       {
+               FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
+       }
 }
 
 void userrec::SetWriteError(const std::string &error)
@@ -783,12 +821,12 @@ void userrec::UnOper()
        }
 }
 
-void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason)
+void userrec::QuitUser(InspIRCd* Instance, userrec *user, const std::string &quitreason, const char* operreason)
 {
-       Instance->GlobalCulls.AddItem(user, quitreason.c_str());
+       user->muted = true;
+       Instance->GlobalCulls.AddItem(user, quitreason.c_str(), operreason);
 }
 
-
 /* adds or updates an entry in the whowas list */
 void userrec::AddToWhoWas()
 {
@@ -808,7 +846,7 @@ void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached,
        user_hash::iterator iter = Instance->clientlist->find(tempnick);
        char ipaddr[MAXBUF];
 #ifdef IPV6
-       if (socketfamily = AF_INET6)
+       if (socketfamily == AF_INET6)
                inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
        else
                inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
@@ -849,7 +887,7 @@ void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached,
        New->signon = Instance->Time() + Instance->Config->dns_timeout;
        New->lastping = 1;
 
-       New->SetSockAddr(AF_FAMILY, ipaddr, port);
+       New->SetSockAddr(socketfamily, ipaddr, port);
 
        /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
        for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
@@ -955,24 +993,28 @@ void userrec::FullConnect()
 
        if ((!a) || (a->GetType() == CC_DENY))
        {
+               this->muted = true;
                ServerInstance->GlobalCulls.AddItem(this,"Unauthorised connection");
                return;
        }
 
        if ((!a->GetPass().empty()) && (!this->haspassed))
        {
+               this->muted = true;
                ServerInstance->GlobalCulls.AddItem(this,"Invalid password");
                return;
        }
 
-       if (this->LocalCloneCount() > a->GetMaxLocal())
+       if ((a->GetMaxLocal()) && (this->LocalCloneCount() > a->GetMaxLocal()))
        {
+               this->muted = true;
                ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (local)");
                ServerInstance->WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
                return;
        }
-       else if (this->GlobalCloneCount() > a->GetMaxGlobal())
+       else if ((a->GetMaxGlobal()) && (this->GlobalCloneCount() > a->GetMaxGlobal()))
        {
+               this->muted = true;
                ServerInstance->GlobalCulls.AddItem(this, "No more connections allowed from your host via this connect class (global)");
                ServerInstance->WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a->GetMaxGlobal(), this->GetIPString());
                return;
@@ -984,6 +1026,7 @@ void userrec::FullConnect()
 
                if (r)
                {
+                       this->muted = true;
                        char reason[MAXBUF];
                        snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
                        ServerInstance->GlobalCulls.AddItem(this, reason);
@@ -994,6 +1037,7 @@ void userrec::FullConnect()
 
                if (n)
                {
+                       this->muted = true;
                        char reason[MAXBUF];
                        snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
                        ServerInstance->GlobalCulls.AddItem(this, reason);
@@ -1016,6 +1060,12 @@ void userrec::FullConnect()
        if (ServerInstance->unregistered_count)
                ServerInstance->unregistered_count--;
 
+       /* Trigger LUSERS output, give modules a chance too */
+       int MOD_RESULT = 0;
+       FOREACH_RESULT(I_OnPreCommand, OnPreCommand("LUSERS", NULL, 0, this, true, "LUSERS"));
+       if (!MOD_RESULT)
+               ServerInstance->CallCommandHandler("LUSERS", NULL, 0, this);
+
        /*
         * fix 3 by brain, move registered = 7 below these so that spurious modes and host
         * changes dont go out onto the network and produce 'fake direction'.
@@ -1466,67 +1516,47 @@ void userrec::WriteCommonExcept(const char* text, ...)
        this->WriteCommonExcept(std::string(textbuffer));
 }
 
-void userrec::WriteCommonExcept(const std::string &text)
+void userrec::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
 {
-       bool quit_munge = false;
-       char oper_quit[MAXBUF];
-       char textbuffer[MAXBUF];
        char tb1[MAXBUF];
        char tb2[MAXBUF];
-       std::string out1;
-       std::string out2;
-
-       strlcpy(textbuffer, text.c_str(), MAXBUF);
 
        if (this->registered != REG_ALL)
                return;
 
        uniq_id++;
+       snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
+       snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
+       std::string out1 = tb1;
+       std::string out2 = tb2;
 
-       snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),textbuffer);
-
-       /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to
-        * opers and the other line to non-opers, then all this hidebans and hidesplits gunk
-        * can go byebye.
-        */
-       if (ServerInstance->Config->HideSplits)
+       for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
        {
-               char* check = textbuffer + 6;
-
-               if (!strncasecmp(textbuffer, "QUIT :",6))
+               CUList *ulist = v->first->GetUsers();
+               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
                {
-                       std::stringstream split(check);
-                       std::string server_one;
-                       std::string server_two;
-
-                       split >> server_one;
-                       split >> server_two;
-
-                       if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two)))
+                       if (this != i->second)
                        {
-                               strlcpy(oper_quit,textbuffer,MAXQUIT);
-                               strlcpy(check,"*.net *.split",MAXQUIT);
-                               quit_munge = true;
-                               snprintf(tb2,MAXBUF,":%s %s",this->GetFullHost(),oper_quit);
-                               out2 = tb2;
+                               if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
+                               {
+                                       already_sent[i->second->fd] = uniq_id;
+                                       i->second->Write(*i->second->oper ? out2 : out1);
+                               }
                        }
                }
        }
+}
 
-       if ((ServerInstance->Config->HideBans) && (!quit_munge))
-       {
-               if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14))
-               || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14)))
-               {
-                       char* check = textbuffer + 13;
-                       strlcpy(oper_quit,textbuffer,MAXQUIT);
-                       *check = 0;  // We don't need to strlcpy, we just chop it from the :
-                       quit_munge = true;
-                       snprintf(tb2,MAXBUF,":%s %s",this->GetFullHost(),oper_quit);
-                       out2 = tb2;
-               }
-       }
+void userrec::WriteCommonExcept(const std::string &text)
+{
+       char tb1[MAXBUF];
+       std::string out1;
 
+       if (this->registered != REG_ALL)
+               return;
+
+       uniq_id++;
+       snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
        out1 = tb1;
 
        for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
@@ -1539,10 +1569,7 @@ void userrec::WriteCommonExcept(const std::string &text)
                                if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id))
                                {
                                        already_sent[i->second->fd] = uniq_id;
-                                       if (quit_munge)
-                                               i->second->Write(*i->second->oper ? out2 : out1);
-                                       else
-                                               i->second->Write(out1);
+                                       i->second->Write(out1);
                                }
                        }
                }
@@ -1668,7 +1695,7 @@ bool userrec::ChangeDisplayedHost(const char* host)
        }
 
        if (IS_LOCAL(this))
-               this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost);
+               this->WriteServ("396 %s %s :is now your displayed host",this->nick,this->dhost);
 
        return true;
 }
@@ -1699,7 +1726,7 @@ bool userrec::ChangeIdent(const char* newident)
        return true;
 }
 
-void userrec::NoticeAll(char* text, ...)
+void userrec::SendAll(const char* command, char* text, ...)
 {
        char textbuffer[MAXBUF];
        char formatbuffer[MAXBUF];
@@ -1709,7 +1736,7 @@ void userrec::NoticeAll(char* text, ...)
        vsnprintf(textbuffer, MAXBUF, text, argsPtr);
        va_end(argsPtr);
 
-       snprintf(formatbuffer,MAXBUF,":%s NOTICE $* :%s", this->GetFullHost(), textbuffer);
+       snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
        std::string fmt = formatbuffer;
 
        for (std::vector<userrec*>::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++)
@@ -1799,8 +1826,18 @@ ConnectClass* userrec::GetClass()
 {
        for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
        {
-               if ((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str())))
-                       return &(*i);
+               if (((match(this->GetIPString(),i->GetHost().c_str(),true)) || (match(this->host,i->GetHost().c_str()))))
+               {
+                       if (i->GetPort())
+                       {
+                               if (this->GetPort() == i->GetPort())
+                                       return &(*i);
+                               else
+                                       continue;
+                       }
+                       else
+                               return &(*i);
+               }
        }
        return NULL;
 }
@@ -1909,3 +1946,29 @@ void userrec::HandleEvent(EventType et, int errornum)
        }
 }
 
+void userrec::SetOperQuit(const std::string &oquit)
+{
+       if (operquit)
+               return;
+
+       operquit = strdup(oquit.c_str());
+}
+
+const char* userrec::GetOperQuit()
+{
+       return operquit ? operquit : "";
+}
+
+VisData::VisData()
+{
+}
+
+VisData::~VisData()
+{
+}
+
+bool VisData::VisibleTo(userrec* user)
+{
+       return true;
+}
+