]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/userprocess.cpp
In the grand tradition of huge fucking commits:
[user/henk/code/inspircd.git] / src / userprocess.cpp
index 01462d47c6c0ba977594c8abe0cee63a3527c6c9..469fa61d0a467e6fcc0ad2c734a9ceacb3b99f94 100644 (file)
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *                <Craig@chatspike.net>
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
  *
- * Written by Craig Edwards, Craig McLure, and others.
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
  *
  * ---------------------------------------------------
  */
 
-/* Now with added unF! ;) */
-
-using namespace std;
-
-#include "inspircd_config.h"
 #include "inspircd.h"
-#include "inspircd_io.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include <sched.h>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#endif
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
 #include "wildcard.h"
-#include "message.h"
-#include "mode.h"
-#include "commands.h"
 #include "xline.h"
-#include "inspstring.h"
-#include "dnsqueue.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
 #include "socketengine.h"
-#include "userprocess.h"
-#include "typedefs.h"
 #include "command_parse.h"
-#include "cull_list.h"
-
-extern int MODCOUNT;
-extern struct sockaddr_in client,server;
-extern socklen_t length;
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern time_t TIME;
-extern time_t OLDTIME;
-extern std::vector<userrec*> local_users;
-extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-char LOG_FILE[MAXBUF];
-
-extern InspIRCd* ServerInstance;
-extern ServerConfig *Config;
-extern userrec* fd_ref_table[MAX_DESCRIPTORS];
-char data[65536];
-
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
-void ProcessUser(userrec* cu)
+
+void FloodQuitUserHandler::Call(User* current)
+{
+       Server->Log(DEFAULT,"Excess flood from: %s@%s", current->ident, current->host);
+       Server->SNO->WriteToSnoMask('f',"Excess flood from: %s%s%s@%s",
+                       current->registered == REG_ALL ? current->nick : "",
+                       current->registered == REG_ALL ? "!" : "", current->ident, current->host);
+       User::QuitUser(Server, current, "Excess flood");
+       if (current->registered != REG_ALL)
+       {
+               Server->XLines->add_zline(120, Server->Config->ServerName, "Flood from unregistered connection", current->GetIPString());
+               Server->XLines->apply_lines(APPLY_ZLINES);
+       }
+}
+
+void ProcessUserHandler::Call(User* cu)
 {
        int result = EAGAIN;
 
-       if (cu->fd == FD_MAGIC_NUMBER)
+       if (cu->GetFd() == FD_MAGIC_NUMBER)
                return;
 
-       log(DEBUG,"Processing user with fd %d",cu->fd);
+       char* ReadBuffer = Server->GetReadBuffer();
 
-       if (Config->GetIOHook(cu->port))
+       if (Server->Config->GetIOHook(cu->GetPort()))
        {
                int result2 = 0;
                int MOD_RESULT = 0;
 
                try
                {
-                       MOD_RESULT = Config->GetIOHook(cu->port)->OnRawSocketRead(cu->fd,data,65535,result2);
-                       log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
+                       MOD_RESULT = Server->Config->GetIOHook(cu->GetPort())->OnRawSocketRead(cu->GetFd(),ReadBuffer,sizeof(ReadBuffer),result2);
                }
-               catch (ModuleException& modexcept)
+               catch (CoreException& modexcept)
                {
-                       log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+                       Server->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
                }
 
                if (MOD_RESULT < 0)
@@ -116,101 +65,60 @@ void ProcessUser(userrec* cu)
        }
        else
        {
-               result = cu->ReadData(data, 65535);
+               result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer));
        }
 
-       log(DEBUG,"Read result: %d",result);
-
        if ((result) && (result != -EAGAIN))
        {
-               userrec *current;
+               User *current;
                int currfd;
-               int floodlines;
+               int floodlines = 0;
 
-               ServerInstance->stats->statsRecv += result;
+               Server->stats->statsRecv += result;
                /*
                 * perform a check on the raw buffer as an array (not a string!) to remove
-                * characters 0 and 7 which are illegal in the RFC - replace them with spaces.
-                * hopefully this should stop even more people whining about "Unknown command: *"
-                */
-
-               /*
-                * XXX - potential replacement for the below using my beloved pointers. --w00t
-                *
-                * for (char *c = data; data && *data; data++)
-                * {
-                *      if (*data == 0 || *data == 7)
-                *              data = ' ';
-                * }
+                * character 0 which is illegal in the RFC - replace them with spaces.
                 */
 
                for (int checker = 0; checker < result; checker++)
                {
-                       if ((data[checker] == 0) || (data[checker] == 7))
-                               data[checker] = ' ';
+                       if (ReadBuffer[checker] == 0)
+                               ReadBuffer[checker] = ' ';
                }
 
                if (result > 0)
-                       data[result] = '\0';
+                       ReadBuffer[result] = '\0';
 
                current = cu;
-               currfd = current->fd;
-               floodlines = 0;
+               currfd = current->GetFd();
 
                // add the data to the users buffer
                if (result > 0)
                {
-                       if (!current->AddBuffer(data))
+                       if (!current->AddBuffer(ReadBuffer))
                        {
                                // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
-                               if (current->registered == 7)
+                               if (current->registered == REG_ALL)
                                {
                                        // Make sure they arn't flooding long lines.
-                                       if (TIME > current->reset_due)
+                                       if (Server->Time() > current->reset_due)
                                        {
-                                               current->reset_due = TIME + current->threshold;
+                                               current->reset_due = Server->Time() + current->threshold;
                                                current->lines_in = 0;
                                        }
 
                                        current->lines_in++;
 
-                                       if (current->lines_in > current->flood)
-                                       {
-                                               log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                               WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                               kill_link(current,"Excess flood");
-                                               return;
-                                       }
+                                       if (current->flood && current->lines_in > current->flood)
+                                               Server->FloodQuitUser(current);
                                        else
                                        {
-                                               WriteServ(currfd, "NOTICE %s :Your previous line was too long and was not delivered (Over 512chars) Please shorten it.", current->nick);
-                                               current->recvq = "";
+                                               current->WriteServ("NOTICE %s :Your previous line was too long and was not delivered (Over %d chars) Please shorten it.", current->nick, MAXBUF-2);
+                                               current->recvq.clear();
                                        }
                                }
                                else
-                               {
-                                       WriteOpers("*** Excess flood from %s",(char*)inet_ntoa(current->ip4));
-                                       log(DEFAULT,"Excess flood from: %s",(char*)inet_ntoa(current->ip4));
-                                       add_zline(120,Config->ServerName,"Flood from unregistered connection",(char*)inet_ntoa(current->ip4));
-                                       apply_lines(APPLY_ZLINES);
-                               }
-
-                               return;
-                       }
-
-                       if (current->recvq.length() > (unsigned)Config->NetBufferSize)
-                       {
-                               if (current->registered == 7)
-                               {
-                                       kill_link(current,"RecvQ exceeded");
-                               }
-                               else
-                               {
-                                       WriteOpers("*** Excess flood from %s",(char*)inet_ntoa(current->ip4));
-                                       log(DEFAULT,"Excess flood from: %s",(char*)inet_ntoa(current->ip4));
-                                       add_zline(120,Config->ServerName,"Flood from unregistered connection",(char*)inet_ntoa(current->ip4));
-                                       apply_lines(APPLY_ZLINES);
-                               }
+                                       Server->FloodQuitUser(current);
 
                                return;
                        }
@@ -218,39 +126,21 @@ void ProcessUser(userrec* cu)
                        // while there are complete lines to process...
                        while (current->BufferIsReady())
                        {
-                               char sanitized[MAXBUF];
-
-                               floodlines++;
-                               if (TIME > current->reset_due)
+                               if (Server->Time() > current->reset_due)
                                {
-                                       current->reset_due = TIME + current->threshold;
+                                       current->reset_due = Server->Time() + current->threshold;
                                        current->lines_in = 0;
                                }
 
-                               current->lines_in++;
-
-                               if (current->lines_in > current->flood)
+                               if (++current->lines_in > current->flood && current->flood)
                                {
-                                       log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                       WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                       kill_link(current,"Excess flood");
+                                       Server->FloodQuitUser(current);
                                        return;
                                }
 
-                               if ((floodlines > current->flood) && (current->flood != 0))
+                               if ((++floodlines > current->flood) && (current->flood != 0))
                                {
-                                       if (current->registered == 7)
-                                       {
-                                               log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                               WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
-                                               kill_link(current,"Excess flood");
-                                       }
-                                       else
-                                       {
-                                               add_zline(120,Config->ServerName,"Flood from unregistered connection",(char*)inet_ntoa(current->ip4));
-                                               apply_lines(APPLY_ZLINES);
-                                       }
-
+                                       Server->FloodQuitUser(current);
                                        return;
                                }
 
@@ -258,30 +148,10 @@ void ProcessUser(userrec* cu)
                                std::string single_line = current->GetBuffer();
                                current->bytes_in += single_line.length();
                                current->cmds_in++;
-                               strlcpy(sanitized,single_line.c_str(),511);
+                               if (single_line.length() > MAXBUF - 2)  /* MAXBUF is 514 to allow for neccessary line terminators */
+                                       single_line.resize(MAXBUF - 2); /* So to trim to 512 here, we use MAXBUF - 2 */
 
-                               if (*sanitized)
-                               {
-                                       userrec* old_comp = fd_ref_table[currfd];
-
-                                       ServerInstance->Parser->ProcessBuffer(sanitized,current);
-                                       /*
-                                        * look for the user's record in case it's changed... if theyve quit,
-                                        * we cant do anything more with their buffer, so bail.
-                                        * there used to be an ugly, slow loop here. Now we have a reference
-                                        * table, life is much easier (and FASTER)
-                                        */
-                                       userrec* new_comp = fd_ref_table[currfd];
-                                       if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
-                                       {
-                                               return;
-                                       }
-                                       else
-                                       {
-                                               /* The user is still here, flush their buffer */
-                                               current->FlushWriteBuf();
-                                       }
-                               }
+                               Server->Parser->ProcessBuffer(single_line, current);
                        }
 
                        return;
@@ -289,8 +159,7 @@ void ProcessUser(userrec* cu)
 
                if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
                {
-                       log(DEBUG,"killing: %s",cu->nick);
-                       kill_link(cu,strerror(errno));
+                       User::QuitUser(Server, cu, errno ? strerror(errno) : "EOF from client");
                        return;
                }
        }
@@ -302,197 +171,113 @@ void ProcessUser(userrec* cu)
        }
        else if (result == 0)
        {
-               log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
-               kill_link(cu,"Client exited");
-               log(DEBUG,"Bailing from client exit");
+               User::QuitUser(Server, cu, "Connection closed");
                return;
        }
 }
 
-void DoSocketTimeouts(time_t TIME)
-{
-       unsigned int numsockets = module_sockets.size();
-       SocketEngine* SE = ServerInstance->SE;
-
-       for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
-       {
-               InspSocket* s = (InspSocket*)*a;
-               if ((s) && (s->GetFd() >= 0) && (s->GetFd() < MAX_DESCRIPTORS) && (socket_ref[s->GetFd()] != NULL) && (s->Timeout(TIME)))
-               {
-                       log(DEBUG,"userprocess.cpp: Socket poll returned false, close and bail");
-                       socket_ref[s->GetFd()] = NULL;
-                       SE->DelFd(s->GetFd());
-                       module_sockets.erase(a);
-                       s->Close();
-                       delete s;
-                       break;
-               }
-
-               if (module_sockets.size() != numsockets)
-                       break;
-       }
-}
-
 /**
  * This function is called once a second from the mainloop.
  * It is intended to do background checking on all the user structs, e.g.
- * stuff like ping checks, registration timeouts, etc. This function is
- * also responsible for checking if InspSocket derived classes are timed out.
+ * stuff like ping checks, registration timeouts, etc.
  */
-void DoBackgroundUserStuff(time_t TIME)
+void InspIRCd::DoBackgroundUserStuff(time_t TIME)
 {
-       CullList GlobalGoners;
-
-       for (std::vector<userrec*>::iterator count2 = local_users.begin(); count2 != local_users.end(); count2++)
+       /* Is it time yet? */
+       if (TIME < next_call)
+               return;
+       else
        {
-               /* Sanity checks for corrupted iterators (yes, really) */
-               userrec* curr = NULL;
+               /* Time we actually need to call this again */
+               const time_t DUMMY_VALUE = 32768;
+               next_call = TIME + DUMMY_VALUE;
 
-               if (*count2)
-                       curr = (userrec*)(*count2);
-               if ((long)curr == -1)
-                       return;
-
-               if (curr)
+               for (std::vector<User*>::iterator count2 = local_users.begin(); count2 != local_users.end(); count2++)
                {
+                       User* curr = *count2;
+
                        /*
                         * registration timeout -- didnt send USER/NICK/HOST
                         * in the time specified in their connection class.
                         */
-                       if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
+                       if ((TIME > curr->timeout) && (curr->registered != REG_ALL))
                        {
-                               log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
-                               GlobalGoners.AddItem(curr,"Registration timeout");
+                               curr->muted = true;
+                               User::QuitUser(this, curr, "Registration timeout");
                                continue;
                        }
-
+                       else
+                       {
+                               if ((curr->registered != REG_ALL) && (next_call > (time_t)curr->timeout))
+                                       next_call = curr->timeout;
+                       }
                        /*
                         * user has signed on with USER/NICK/PASS, and dns has completed, all the modules
                         * say this user is ok to proceed, fully connect them.
                         */
-                       if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
+                       bool ready = AllModulesReportReady(curr);
+                       if ((TIME > curr->signon) && (curr->registered == REG_NICKUSER) && (ready))
                        {
-                               curr->dns_done = true;
-                               ServerInstance->stats->statsDnsBad++;
-                               FullConnectUser(curr,&GlobalGoners);
+                               if (!curr->dns_done)
+                               {
+                                       curr->WriteServ("NOTICE Auth :*** Could not resolve your hostname: Request timed out; using your IP address (%s) instead.", curr->GetIPString());
+                                       curr->dns_done = true;
+                               }
+                               this->stats->statsDnsBad++;
+                               curr->FullConnect();
                                continue;
                        }
+                       else
+                       {
+                               if ((curr->registered == REG_NICKUSER) && (ready) && (next_call > curr->signon))
+                                       next_call = curr->signon;
+                       }
 
-                       if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
+                       if ((curr->dns_done) && (curr->registered == REG_NICKUSER) && (ready))
                        {
-                               log(DEBUG,"dns done, registered=3, and modules ready, OK");
-                               FullConnectUser(curr,&GlobalGoners);
+                               curr->FullConnect();
                                continue;
                        }
+                       else
+                       {
+                               if ((curr->registered == REG_NICKUSER) && (ready) && (next_call > curr->signon + this->Config->dns_timeout))
+                                       next_call = curr->signon + this->Config->dns_timeout;
+                       }
 
                        // It's time to PING this user. Send them a ping.
-                       if ((TIME > curr->nping) && (curr->registered == 7))
+                       if ((TIME > curr->nping) && (curr->registered == REG_ALL))
                        {
                                // This user didn't answer the last ping, remove them
                                if (!curr->lastping)
                                {
-                                       GlobalGoners.AddItem(curr,"Ping timeout");
+                                       /* Everybody loves boobies. */
+                                       time_t time = this->Time(false) - (curr->nping - curr->pingmax);
+                                       char message[MAXBUF];
+                                       snprintf(message, MAXBUF, "Ping timeout: %ld second%s", (long)time, time > 1 ? "s" : "");
+                                       curr->muted = true;
+                                       curr->lastping = 1;
+                                       curr->nping = TIME+curr->pingmax;
+                                       User::QuitUser(this, curr, message);
                                        continue;
                                }
-
-                               Write(curr->fd,"PING :%s",Config->ServerName);
+                               curr->Write("PING :%s",this->Config->ServerName);
                                curr->lastping = 0;
                                curr->nping = TIME+curr->pingmax;
                        }
-
-                       /*
-                        * We can flush the write buffer as the last thing we do, because if they
-                        * match any of the above conditions its no use flushing their buffer anyway.
-                        */
-                       curr->FlushWriteBuf();
-
-                       if (*curr->GetWriteError())
+                       else
                        {
-                               GlobalGoners.AddItem(curr,curr->GetWriteError());
-                               continue;
+                               if ((curr->registered == REG_ALL) && (next_call > curr->nping))
+                                       next_call = curr->nping;
                        }
                }
-       }
-
-       /* Remove all the queued users who are due to be quit, free memory used. */
-       GlobalGoners.Apply();
-}
-
-void OpenLog(char** argv, int argc)
-{
-       if (!*LOG_FILE)
-       {
-               if (Config->logpath == "")
-               {
-                       Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log";
-               }
-       }
-       else
-       {
-               Config->log_file = fopen(LOG_FILE,"a+");
-
-               if (!Config->log_file)
-               {
-                       printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str());
-                       Exit(ERROR);
-               }
-
-               return;
-       }
-
-       Config->log_file = fopen(Config->logpath.c_str(),"a+");
-
-       if (!Config->log_file)
-       {
-               printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str());
-               Exit(ERROR);
-       }
-}
-
-
-void CheckRoot()
-{
-       if (geteuid() == 0)
-       {
-               printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
-               log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
-               Exit(ERROR);
-       }
-}
-
-
-void CheckDie()
-{
-       if (*Config->DieValue)
-       {
-               printf("WARNING: %s\n\n",Config->DieValue);
-               log(DEFAULT,"Uh-Oh, somebody didn't read their config file: '%s'",Config->DieValue);
-               Exit(ERROR);
-       }
-}
 
-/* We must load the modules AFTER initializing the socket engine, now */
-void LoadAllModules(InspIRCd* ServerInstance)
-{
-       char configToken[MAXBUF];
-       Config->module_names.clear();
-
-       MODCOUNT = -1;
-
-       for (int count = 0; count < Config->ConfValueEnum("module",&Config->config_f); count++)
-       {
-               Config->ConfValue("module","name",count,configToken,&Config->config_f);
-               printf("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken);
-
-               if (!ServerInstance->LoadModule(configToken))
+               /* If theres nothing to do, trigger in the next second, something might come up */
+               time_t delta = next_call - TIME;
+               if (delta == DUMMY_VALUE)
                {
-                       log(DEFAULT,"Exiting due to a module loader error.");
-                       printf("\nThere was an error loading a module: %s\n\n",ServerInstance->ModuleError());
-                       Exit(0);
+                       next_call = TIME + 1;
+                       delta = 1;
                }
        }
-
-       log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
 }
 
-