]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/usermanager.cpp
Remove InspIRCd* parameters and fields
[user/henk/code/inspircd.git] / src / usermanager.cpp
index bc5eb01a9d401f25131454ae9740c5139c738c1b..db2d3b08e6a55899950fe513d486711b38b243af 100644 (file)
@@ -2,8 +2,8 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *         the file COPYING for details.
  * ---------------------------------------------------
  */
 
-/* $Core: libIRCDusermanager */
+/* $Core */
 
 #include "inspircd.h"
 #include "xline.h"
 #include "bancache.h"
 
 /* add a client connection to the sockets list */
-void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
+void UserManager::AddUser(int socket, ClientListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
 {
        /* NOTE: Calling this one parameter constructor for User automatically
         * allocates a new UUID and places it in the hash_map.
@@ -26,53 +26,56 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac
        User* New = NULL;
        try
        {
-               New = new User(Instance);
+               New = new User();
        }
        catch (...)
        {
-               Instance->Log(DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
-               Instance->WriteOpers("*** WARNING *** Duplicate UUID allocated!");
+               ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+               ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
                return;
        }
 
-       Instance->Log(DEBUG,"New user fd: %d", socket);
+       New->SetFd(socket);
+       memcpy(&New->client_sa, client, sizeof(irc::sockets::sockaddrs));
+       memcpy(&New->server_sa, server, sizeof(irc::sockets::sockaddrs));
 
-       int j = 0;
+       /* Give each of the modules an attempt to hook the user for I/O */
+       FOREACH_MOD(I_OnHookIO, OnHookIO(New, via));
 
-       Instance->unregistered_count++;
+       if (New->GetIOHook())
+       {
+               try
+               {
+                       New->GetIOHook()->OnStreamSocketAccept(New, client, server);
+               }
+               catch (CoreException& modexcept)
+               {
+                       ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+               }
+       }
 
-       char ipaddr[MAXBUF];
-#ifdef IPV6
-       if (socketfamily == AF_INET6)
-               inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
-       else
-#endif
-       inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
+       ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
+
+       this->unregistered_count++;
 
-       (*(Instance->clientlist))[New->uuid] = New;
+       (*(this->clientlist))[New->uuid] = New;
 
        /* The users default nick is their UUID */
-       strlcpy(New->nick, New->uuid, NICKMAX - 1);
+       New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax);
 
-       New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
-       /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */
-       strcpy(New->ident, "unknown");
+       New->server = ServerInstance->FindServerNamePtr(ServerInstance->Config->ServerName);
+       New->ident.assign("unknown");
 
        New->registered = REG_NONE;
-       New->signon = Instance->Time() + Instance->Config->dns_timeout;
+       New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
        New->lastping = 1;
 
-       New->SetSockAddr(socketfamily, ipaddr, port);
-
-       New->SetFd(socket);
-
        /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
-       for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
-               New->dhost[j] = New->host[j] = *temp;
-       New->dhost[j] = New->host[j] = 0;
+       New->dhost.assign(New->GetIPString(), 0, 64);
+       New->host.assign(New->GetIPString(), 0, 64);
 
-       Instance->Users->AddLocalClone(New);
-       Instance->Users->AddGlobalClone(New);
+       ServerInstance->Users->AddLocalClone(New);
+       ServerInstance->Users->AddGlobalClone(New);
 
        /*
         * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
@@ -82,7 +85,7 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac
 
        if (!i)
        {
-               User::QuitUser(Instance, New, "Access denied by configuration");
+               this->QuitUser(New, "Access denied by configuration");
                return;
        }
 
@@ -92,60 +95,43 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac
         */
        New->CheckClass();
 
-       Instance->local_users.push_back(New);
+       this->local_users.push_back(New);
 
-       if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
+       if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
        {
-               Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
-               User::QuitUser(Instance, New,"No more connections allowed");
+               ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
+               this->QuitUser(New,"No more connections allowed");
                return;
        }
 
-       /*
-        * XXX -
-        * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
-        * its a pretty big but for the moment valid assumption:
-        * file descriptors are handed out starting at 0, and are recycled as theyre freed.
-        * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
-        * irc server at once (or the irc server otherwise initiating this many connections, files etc)
-        * which for the time being is a physical impossibility (even the largest networks dont have more
-        * than about 10,000 users on ONE server!)
-        */
-#ifndef WINDOWS
-       if ((unsigned int)socket >= MAX_DESCRIPTORS)
-       {
-               User::QuitUser(Instance, New, "Server is full");
-               return;
-       }
-#endif
        /*
         * even with bancache, we still have to keep User::exempt current.
         * besides that, if we get a positive bancache hit, we still won't fuck
         * them over if they are exempt. -- w00t
         */
-       New->exempt = (Instance->XLines->MatchesLine("E",New) != NULL);
+       New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
 
-       if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString()))
+       if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
        {
                if (!b->Type.empty() && !New->exempt)
                {
                        /* user banned */
-                       Instance->Log(DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
-                       if (*Instance->Config->MoronBanner)
-                               New->WriteServ("NOTICE %s :*** %s", New->nickInstance->Config->MoronBanner);
-                       User::QuitUser(Instance, New, b->Reason);
+                       ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
+                       if (*ServerInstance->Config->MoronBanner)
+                               New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner);
+                       this->QuitUser(New, b->Reason);
                        return;
                }
                else
                {
-                       Instance->Log(DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+                       ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
                }
        }
        else
        {
                if (!New->exempt)
                {
-                       XLine* r = Instance->XLines->MatchesLine("Z",New);
+                       XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
 
                        if (r)
                        {
@@ -155,22 +141,20 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac
                }
        }
 
-        if (socket > -1)
-        {
-                if (!Instance->SE->AddFd(New))
-                {
-                       Instance->Log(DEBUG,"Internal error on new connection");
-                       User::QuitUser(Instance, New, "Internal error handling connection");
-                }
-        }
+       if (!ServerInstance->SE->AddFd(New, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+       {
+               ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
+               this->QuitUser(New, "Internal error handling connection");
+       }
 
        /* NOTE: even if dns lookups are *off*, we still need to display this.
         * BOPM and other stuff requires it.
         */
        New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
 
-       if (Instance->Config->NoUserDns)
+       if (ServerInstance->Config->NoUserDns)
        {
+               New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str());
                New->dns_done = true;
        }
        else
@@ -179,27 +163,159 @@ void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscac
        }
 }
 
+void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+{
+       if (user->quitting)
+       {
+               ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str());
+               return;
+       }
+
+       if (IS_FAKE(user))
+       {
+               ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str());
+               return;
+       }
+
+       user->quitting = true;
+
+       ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
+       user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str());
+
+       std::string reason;
+       std::string oper_reason;
+       reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
+       if (operreason && *operreason)
+               oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit);
+       else
+               oper_reason = quitreason;
+
+       ServerInstance->GlobalCulls.AddItem(user);
+
+       if (user->registered == REG_ALL)
+       {
+               FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason));
+               user->PurgeEmptyChannels();
+               user->WriteCommonQuit(reason, oper_reason);
+       }
+
+       FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(user));
+
+       if (user->registered != REG_ALL)
+               if (ServerInstance->Users->unregistered_count)
+                       ServerInstance->Users->unregistered_count--;
+
+       if (IS_LOCAL(user))
+       {
+               user->DoWrite();
+               if (user->GetIOHook())
+               {
+                       try
+                       {
+                               user->GetIOHook()->OnStreamSocketClose(user);
+                       }
+                       catch (CoreException& modexcept)
+                       {
+                               ServerInstance->Logs->Log("USERS",DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+                       }
+               }
+
+               ServerInstance->SE->DelFd(user);
+               user->Close();
+               // user->Close() will set fd to -1; this breaks IS_LOCAL. Fix
+               user->SetFd(INT_MAX);
+       }
+
+       /*
+        * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
+        * if they were an oper with +sn +qQ.
+        */
+       if (user->registered == REG_ALL)
+       {
+               if (IS_LOCAL(user))
+               {
+                       if (!user->quietquit)
+                       {
+                               ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",
+                                       user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
+                       }
+               }
+               else
+               {
+                       if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit))
+                       {
+                               ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s]",
+                                       user->server, user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
+                       }
+               }
+               user->AddToWhoWas();
+       }
+
+       user_hash::iterator iter = this->clientlist->find(user->nick);
+
+       if (iter != this->clientlist->end())
+               this->clientlist->erase(iter);
+       else
+               ServerInstance->Logs->Log("USERS", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic..");
+}
+
+
 void UserManager::AddLocalClone(User *user)
 {
-       clonemap::iterator x = local_clones.find(user->GetIPString());
+       int range = 32;
+       clonemap::iterator x;
+       switch (user->client_sa.sa.sa_family)
+       {
+               case AF_INET6:
+                       range = ServerInstance->Config->c_ipv6_range;
+               break;
+               case AF_INET:
+                       range = ServerInstance->Config->c_ipv4_range;
+               break;
+       }
+
+       x = local_clones.find(user->GetCIDRMask(range));
        if (x != local_clones.end())
                x->second++;
        else
-               local_clones[user->GetIPString()] = 1;
+               local_clones[user->GetCIDRMask(range)] = 1;
 }
 
 void UserManager::AddGlobalClone(User *user)
 {
-       clonemap::iterator y = global_clones.find(user->GetIPString());
-       if (y != global_clones.end())
-               y->second++;
+       int range = 32;
+       clonemap::iterator x;
+       switch (user->client_sa.sa.sa_family)
+       {
+               case AF_INET6:
+                       range = ServerInstance->Config->c_ipv6_range;
+               break;
+               case AF_INET:
+                       range = ServerInstance->Config->c_ipv4_range;
+               break;
+       }
+
+       x = global_clones.find(user->GetCIDRMask(range));
+       if (x != global_clones.end())
+               x->second++;
        else
-               global_clones[user->GetIPString()] = 1;
+               global_clones[user->GetCIDRMask(range)] = 1;
 }
 
 void UserManager::RemoveCloneCounts(User *user)
 {
-       clonemap::iterator x = local_clones.find(user->GetIPString());
+       int range = 32;
+       switch (user->client_sa.sa.sa_family)
+       {
+               case AF_INET6:
+                       range = ServerInstance->Config->c_ipv6_range;
+               break;
+               case AF_INET:
+                       range = ServerInstance->Config->c_ipv4_range;
+               break;
+       }
+
+       clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
        if (x != local_clones.end())
        {
                x->second--;
@@ -208,8 +324,8 @@ void UserManager::RemoveCloneCounts(User *user)
                        local_clones.erase(x);
                }
        }
-       
-       clonemap::iterator y = global_clones.find(user->GetIPString());
+
+       clonemap::iterator y = global_clones.find(user->GetCIDRMask(range));
        if (y != global_clones.end())
        {
                y->second--;
@@ -222,7 +338,17 @@ void UserManager::RemoveCloneCounts(User *user)
 
 unsigned long UserManager::GlobalCloneCount(User *user)
 {
-       clonemap::iterator x = global_clones.find(user->GetIPString());
+       int range = 32;
+       switch (user->client_sa.sa.sa_family)
+       {
+               case AF_INET6:
+                       range = ServerInstance->Config->c_ipv6_range;
+               break;
+               case AF_INET:
+                       range = ServerInstance->Config->c_ipv4_range;
+               break;
+       }
+       clonemap::iterator x = global_clones.find(user->GetCIDRMask(range));
        if (x != global_clones.end())
                return x->second;
        else
@@ -231,7 +357,17 @@ unsigned long UserManager::GlobalCloneCount(User *user)
 
 unsigned long UserManager::LocalCloneCount(User *user)
 {
-       clonemap::iterator x = local_clones.find(user->GetIPString());
+       int range = 32;
+       switch (user->client_sa.sa.sa_family)
+       {
+               case AF_INET6:
+                       range = ServerInstance->Config->c_ipv6_range;
+               break;
+               case AF_INET:
+                       range = ServerInstance->Config->c_ipv4_range;
+               break;
+       }
+       clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
        if (x != local_clones.end())
                return x->second;
        else
@@ -246,32 +382,145 @@ unsigned int UserManager::UserCount()
         *  As part of this restructuring, move clientlist/etc fields into usermanager.
         *      -- w00t
         */
-       return ServerInstance->clientlist->size();
+       return this->clientlist->size();
 }
 
 /* this counts only registered users, so that the percentages in /MAP don't mess up */
 unsigned int UserManager::RegisteredUserCount()
 {
-       return ServerInstance->clientlist->size() - this->UnregisteredUserCount();
+       return this->clientlist->size() - this->UnregisteredUserCount();
 }
 
 /* return how many users are opered */
 unsigned int UserManager::OperCount()
 {
-       return ServerInstance->all_opers.size();
+       return this->all_opers.size();
 }
 
 /* return how many users are unregistered */
 unsigned int UserManager::UnregisteredUserCount()
 {
-       return ServerInstance->unregistered_count;
+       return this->unregistered_count;
 }
 
 /* return how many local registered users there are */
 unsigned int UserManager::LocalUserCount()
 {
-        /* Doesnt count unregistered clients */
-        return (ServerInstance->local_users.size() - this->UnregisteredUserCount());
+       /* Doesnt count unregistered clients */
+       return (this->local_users.size() - this->UnregisteredUserCount());
 }
 
+void UserManager::ServerNoticeAll(const char* text, ...)
+{
+       if (!text)
+               return;
+
+       char textbuffer[MAXBUF];
+       char formatbuffer[MAXBUF];
+       va_list argsPtr;
+       va_start (argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName, textbuffer);
+
+       for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+       {
+               User* t = *i;
+               t->WriteServ(std::string(formatbuffer));
+       }
+}
+
+void UserManager::ServerPrivmsgAll(const char* text, ...)
+{
+       if (!text)
+               return;
+
+       char textbuffer[MAXBUF];
+       char formatbuffer[MAXBUF];
+       va_list argsPtr;
+       va_start (argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+
+       snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName, textbuffer);
+
+       for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+       {
+               User* t = *i;
+               t->WriteServ(std::string(formatbuffer));
+       }
+}
 
+void UserManager::WriteMode(const char* modes, int flags, const char* text, ...)
+{
+       char textbuffer[MAXBUF];
+       int modelen;
+       va_list argsPtr;
+
+       if (!text || !modes || !flags)
+       {
+               ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
+               return;
+       }
+
+       va_start(argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
+       modelen = strlen(modes);
+
+       if (flags == WM_AND)
+       {
+               for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+               {
+                       User* t = *i;
+                       bool send_to_user = true;
+
+                       for (int n = 0; n < modelen; n++)
+                       {
+                               if (!t->IsModeSet(modes[n]))
+                               {
+                                       send_to_user = false;
+                                       break;
+                               }
+                       }
+                       if (send_to_user)
+                       {
+                               t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+                       }
+               }
+       }
+       else if (flags == WM_OR)
+       {
+               for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+               {
+                       User* t = *i;
+                       bool send_to_user = false;
+
+                       for (int n = 0; n < modelen; n++)
+                       {
+                               if (t->IsModeSet(modes[n]))
+                               {
+                                       send_to_user = true;
+                                       break;
+                               }
+                       }
+
+                       if (send_to_user)
+                       {
+                               t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+                       }
+               }
+       }
+}
+
+/* return how many users have a given mode e.g. 'a' */
+int UserManager::ModeCount(const char mode)
+{
+       ModeHandler* mh = ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
+
+       if (mh)
+               return mh->GetCount();
+       else
+               return 0;
+}