]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/usermanager.cpp
Add capability for m_services_account to broadcast login events, with the user who...
[user/henk/code/inspircd.git] / src / usermanager.cpp
index 2bb4ee6853892dd341332460e0a655e1349b8ecd..6145c887b5595a731b48f191ef009da2ee042e44 100644 (file)
 /* $Core: libIRCDusermanager */
 
 #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)
+{
+       /* NOTE: Calling this one parameter constructor for User automatically
+        * allocates a new UUID and places it in the hash_map.
+        */
+       User* New = NULL;
+       try
+       {
+               New = new User(Instance);
+       }
+       catch (...)
+       {
+               Instance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+               Instance->SNO->WriteToSnoMask('A', "WARNING *** Duplicate UUID allocated!");
+               return;
+       }
+
+       Instance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
+
+       int j = 0;
+
+       this->unregistered_count++;
+
+       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));
+
+       (*(this->clientlist))[New->uuid] = New;
+
+       /* The users default nick is their UUID */
+       strlcpy(New->nick, New->uuid, NICKMAX - 1);
+
+       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->registered = REG_NONE;
+       New->signon = Instance->Time() + Instance->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;
+
+       Instance->Users->AddLocalClone(New);
+       Instance->Users->AddGlobalClone(New);
+
+       /*
+        * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
+        * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
+        */
+       ConnectClass* i = New->SetClass();
+
+       if (!i)
+       {
+               User::QuitUser(Instance, New, "Access denied by configuration");
+               return;
+       }
+
+       /*
+        * Check connect class settings and initialise settings into User.
+        * This will be done again after DNS resolution. -- w00t
+        */
+       New->CheckClass();
+
+       this->local_users.push_back(New);
+
+       if ((this->local_users.size() > Instance->Config->SoftLimit) || (this->local_users.size() >= MAXCLIENTS))
+       {
+               Instance->SNO->WriteToSnoMask('A', "Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
+               User::QuitUser(Instance, 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);
+
+       if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString()))
+       {
+               if (!b->Type.empty() && !New->exempt)
+               {
+                       /* user banned */
+                       Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
+                       if (*Instance->Config->MoronBanner)
+                               New->WriteServ("NOTICE %s :*** %s", New->nick, Instance->Config->MoronBanner);
+                       User::QuitUser(Instance, New, b->Reason);
+                       return;
+               }
+               else
+               {
+                       Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+               }
+       }
+       else
+       {
+               if (!New->exempt)
+               {
+                       XLine* r = Instance->XLines->MatchesLine("Z",New);
+
+                       if (r)
+                       {
+                               r->Apply(New);
+                               return;
+                       }
+               }
+       }
+
+       if (!Instance->SE->AddFd(New))
+       {
+               Instance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
+               User::QuitUser(Instance, 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)
+       {
+               New->dns_done = true;
+       }
+       else
+       {
+               New->StartDNSLookup();
+       }
+}
 
 void UserManager::AddLocalClone(User *user)
 {
@@ -73,3 +234,157 @@ unsigned long UserManager::LocalCloneCount(User *user)
        else
                return 0;
 }
+
+/* this function counts all users connected, wether they are registered or NOT. */
+unsigned int UserManager::UserCount()
+{
+       /*
+        * XXX: Todo:
+        *  As part of this restructuring, move clientlist/etc fields into usermanager.
+        *      -- w00t
+        */
+       return this->clientlist->size();
+}
+
+/* this counts only registered users, so that the percentages in /MAP don't mess up */
+unsigned int UserManager::RegisteredUserCount()
+{
+       return this->clientlist->size() - this->UnregisteredUserCount();
+}
+
+/* return how many users are opered */
+unsigned int UserManager::OperCount()
+{
+       return this->all_opers.size();
+}
+
+/* return how many users are unregistered */
+unsigned int UserManager::UnregisteredUserCount()
+{
+       return this->unregistered_count;
+}
+
+/* return how many local registered users there are */
+unsigned int UserManager::LocalUserCount()
+{
+       /* 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, 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, textbuffer);
+                       }
+               }
+       }
+}
+
+/* return how many users have a given mode e.g. 'a' */
+int UserManager::ModeCount(const char mode)
+{
+       ModeHandler* mh = this->ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
+
+       if (mh)
+               return mh->GetCount();
+       else
+               return 0;
+}
+
+
+