X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=ee30ba4e9e9c7951f469ba22a3227b7a0868f00a;hb=59b1a8955142935b02af6446005ab47fc7c3fc8c;hp=38f35aa397d660a1ee54fd79dff9af42e4eede38;hpb=f7be9d31e0004f11720da9db858710ff9f3eab5e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 38f35aa39..ee30ba4e9 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * Inspire is copyright (C) 2002-2005 ChatSpike-Dev. + * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. * E-mail: * * @@ -21,11 +21,9 @@ using namespace std; #include "inspircd_config.h" #include "inspircd.h" #include "inspircd_io.h" -#include #include #include #include -#include #include #include #ifdef GCC3 @@ -37,7 +35,6 @@ using namespace std; #include #include #include -#include #ifdef THREADED_DNS #include #endif @@ -58,7 +55,6 @@ using namespace std; #include "socketengine.h" #include "userprocess.h" #include "socket.h" -#include "dns.h" #include "typedefs.h" #include "command_parse.h" @@ -69,6 +65,7 @@ int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list extern std::vector modules; extern std::vector factory; + std::vector module_sockets; std::vector local_users; @@ -76,28 +73,22 @@ extern int MODCOUNT; int openSockfd[MAXSOCKS]; sockaddr_in client,server; socklen_t length; -extern Module* IOHookModule; -extern InspSocket* socket_ref[65535]; +extern InspSocket* socket_ref[MAX_DESCRIPTORS]; time_t TIME = time(NULL), OLDTIME = time(NULL); -SocketEngine* SE = NULL; - // This table references users by file descriptor. // its an array to make it VERY fast, as all lookups are referenced // by an integer, meaning there is no need for a scan/search operation. -userrec* fd_ref_table[65536]; +userrec* fd_ref_table[MAX_DESCRIPTORS]; -serverstats* stats = new serverstats; Server* MyServer = new Server; ServerConfig *Config = new ServerConfig; -CommandParser *Parser = new CommandParser; user_hash clientlist; chan_hash chanlist; whowas_hash whowas; -command_table cmdlist; servernamelist servernames; char lowermap[255]; @@ -123,6 +114,16 @@ const char* FindServerNamePtr(std::string servername) return FindServerNamePtr(servername); } +bool FindServerName(std::string servername) +{ + for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++) + { + if (*a == servername) + return true; + } + return false; +} + std::string InspIRCd::GetRevision() { /* w00t got me to replace a bunch of strtok_r @@ -134,13 +135,27 @@ std::string InspIRCd::GetRevision() * into the same variable twice, the first word * is discarded, and the second one returned. */ + + /* XXX - this revision ID is NOT bumping automatically -- w00t */ std::stringstream Revision("$Revision$"); std::string single; Revision >> single >> single; return single; } - +void InspIRCd::MakeLowerMap() +{ + // initialize the lowercase mapping table + for (unsigned int cn = 0; cn < 256; cn++) + lowermap[cn] = cn; + // lowercase the uppercase chars + for (unsigned int cn = 65; cn < 91; cn++) + lowermap[cn] = tolower(cn); + // now replace the specific chars for scandanavian comparison + lowermap[(unsigned)'['] = '{'; + lowermap[(unsigned)']'] = '}'; + lowermap[(unsigned)'\\'] = '|'; +} InspIRCd::InspIRCd(int argc, char** argv) { @@ -172,29 +187,27 @@ InspIRCd::InspIRCd(int argc, char** argv) } strlcpy(Config->MyExecutable,argv[0],MAXBUF); - - // initialize the lowercase mapping table - for (unsigned int cn = 0; cn < 256; cn++) - lowermap[cn] = cn; - // lowercase the uppercase chars - for (unsigned int cn = 65; cn < 91; cn++) - lowermap[cn] = tolower(cn); - // now replace the specific chars for scandanavian comparison - lowermap[(unsigned)'['] = '{'; - lowermap[(unsigned)']'] = '}'; - lowermap[(unsigned)'\\'] = '|'; + this->MakeLowerMap(); OpenLog(argv, argc); Config->ClearStack(); Config->Read(true,NULL); CheckRoot(); - SetupCommandTable(); + this->ModeGrok = new ModeParser(); + this->Parser = new CommandParser(); + this->stats = new serverstats(); AddServerName(Config->ServerName); CheckDie(); stats->BoundPortCount = BindPorts(); + for(int t = 0; t < 255; t++) + Config->global_implementation[t] = 0; + + memset(&Config->implement_lists,0,sizeof(Config->implement_lists)); + printf("\n"); + SetSignals(); if (!Config->nofork) { if (DaemonSeed() == ERROR) @@ -210,9 +223,6 @@ InspIRCd::InspIRCd(int argc, char** argv) SE = new SocketEngine(); /* We must load the modules AFTER initializing the socket engine, now */ - LoadAllModules(); - - printf("\nInspIRCd is now running!\n"); return; } @@ -225,7 +235,14 @@ std::string InspIRCd::GetVersionString() #else char dnsengine[] = "singlethread"; #endif - snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine); + if (*Config->CustomVersion) + { + snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s",VERSION,GetRevision().c_str(),Config->ServerName,Config->CustomVersion); + } + else + { + snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine); + } return versiondata; } @@ -276,6 +293,106 @@ void InspIRCd::erase_module(int j) } +void InspIRCd::MoveTo(std::string modulename,int slot) +{ + unsigned int v2 = 256; + log(DEBUG,"Moving %s to slot %d",modulename.c_str(),slot); + for (unsigned int v = 0; v < Config->module_names.size(); v++) + { + if (Config->module_names[v] == modulename) + { + // found an instance, swap it with the item at MODCOUNT + v2 = v; + break; + } + } + if (v2 == (unsigned int)slot) + { + log(DEBUG,"Item %s already in slot %d!",modulename.c_str(),slot); + } + else if (v2 < 256) + { + // Swap the module names over + Config->module_names[v2] = Config->module_names[slot]; + Config->module_names[slot] = modulename; + // now swap the module factories + ircd_module* temp = factory[v2]; + factory[v2] = factory[slot]; + factory[slot] = temp; + // now swap the module objects + Module* temp_module = modules[v2]; + modules[v2] = modules[slot]; + modules[slot] = temp_module; + // now swap the implement lists (we dont + // need to swap the global or recount it) + for (int n = 0; n < 255; n++) + { + char x = Config->implement_lists[v2][n]; + Config->implement_lists[v2][n] = Config->implement_lists[slot][n]; + Config->implement_lists[slot][n] = x; + } + log(DEBUG,"Moved %s to slot successfully",modulename.c_str()); + } + else + { + log(DEBUG,"Move of %s to slot failed!",modulename.c_str()); + } +} + +void InspIRCd::MoveAfter(std::string modulename, std::string after) +{ + log(DEBUG,"Move %s after %s...",modulename.c_str(),after.c_str()); + for (unsigned int v = 0; v < Config->module_names.size(); v++) + { + if (Config->module_names[v] == after) + { + MoveTo(modulename, v); + return; + } + } +} + +void InspIRCd::MoveBefore(std::string modulename, std::string before) +{ + log(DEBUG,"Move %s before %s...",modulename.c_str(),before.c_str()); + for (unsigned int v = 0; v < Config->module_names.size(); v++) + { + if (Config->module_names[v] == before) + { + if (v > 0) + { + MoveTo(modulename, v-1); + } + else + { + MoveTo(modulename, v); + } + return; + } + } +} + +void InspIRCd::MoveToFirst(std::string modulename) +{ + MoveTo(modulename,0); +} + +void InspIRCd::MoveToLast(std::string modulename) +{ + MoveTo(modulename,MODCOUNT); +} + +void InspIRCd::BuildISupport() +{ + // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it... + std::stringstream v; + v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=(ohv)@%+ MAP MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1; + v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN="; + v << MAXAWAY << " CHANMODES=b,k,l,psmnti FNC NETWORK=" << Config->Network << " MAXPARA=32"; + Config->data005 = v.str(); + FOREACH_MOD(I_On005Numeric,On005Numeric(Config->data005)); +} + bool InspIRCd::UnloadModule(const char* filename) { std::string filename_str = filename; @@ -298,16 +415,34 @@ bool InspIRCd::UnloadModule(const char* filename) { modules[j]->OnCleanup(TYPE_USER,u->second); } - FOREACH_MOD OnUnloadModule(modules[j],Config->module_names[j]); + + FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j])); + + for(int t = 0; t < 255; t++) + { + Config->global_implementation[t] -= Config->implement_lists[j][t]; + } + + /* We have to renumber implement_lists after unload because the module numbers change! + */ + for(int j2 = j; j2 < 254; j2++) + { + for(int t = 0; t < 255; t++) + { + Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t]; + } + } + // found the module log(DEBUG,"Deleting module..."); erase_module(j); log(DEBUG,"Erasing module entry..."); erase_factory(j); log(DEBUG,"Removing dependent commands..."); - remove_commands(filename); + Parser->RemoveCommands(filename); log(DEFAULT,"Module %s unloaded",filename); MODCOUNT--; + BuildISupport(); return true; } } @@ -320,18 +455,20 @@ bool InspIRCd::LoadModule(const char* filename) { char modfile[MAXBUF]; #ifdef STATIC_LINK - snprintf(modfile,MAXBUF,"%s",filename); + strlcpy(modfile,filename,MAXBUF); #else snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename); #endif std::string filename_str = filename; #ifndef STATIC_LINK +#ifndef IS_CYGWIN if (!DirValid(modfile)) { log(DEFAULT,"Module %s is not within the modules directory.",modfile); snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile); return false; } +#endif #endif log(DEBUG,"Loading module: %s",modfile); #ifndef STATIC_LINK @@ -353,23 +490,46 @@ bool InspIRCd::LoadModule(const char* filename) { log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError()); snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError()); - MODCOUNT--; return false; } - if (factory[MODCOUNT+1]->factory) - { - Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer); - modules[MODCOUNT+1] = m; - /* save the module and the module's classfactory, if - * this isnt done, random crashes can occur :/ */ - Config->module_names.push_back(filename); - } - else - { - log(DEFAULT,"Unable to load %s",modfile); - snprintf(MODERR,MAXBUF,"Factory function failed!"); + try + { + if (factory[MODCOUNT+1]->factory) + { + Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer); + modules[MODCOUNT+1] = m; + /* save the module and the module's classfactory, if + * this isnt done, random crashes can occur :/ */ + Config->module_names.push_back(filename); + + char* x = &Config->implement_lists[MODCOUNT+1][0]; + for(int t = 0; t < 255; t++) + x[t] = 0; + + modules[MODCOUNT+1]->Implements(x); + + for(int t = 0; t < 255; t++) + { + Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t]; + if (Config->implement_lists[MODCOUNT+1][t]) + { + log(DEBUG,"Add global implementation: %d %d => %d",MODCOUNT+1,t,Config->global_implementation[t]); + } + } + } + else + { + log(DEFAULT,"Unable to load %s",modfile); + snprintf(MODERR,MAXBUF,"Factory function failed!"); + return false; + } + } + catch (ModuleException& modexcept) + { + log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason()); + snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason()); return false; - } + } #ifndef STATIC_LINK } else @@ -380,24 +540,75 @@ bool InspIRCd::LoadModule(const char* filename) } #endif MODCOUNT++; - FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str); + FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[MODCOUNT],filename_str)); + // now work out which modules, if any, want to move to the back of the queue, + // and if they do, move them there. + std::vector put_to_back; + std::vector put_to_front; + std::map put_before; + std::map put_after; + for (unsigned int j = 0; j < Config->module_names.size(); j++) + { + if (modules[j]->Prioritize() == PRIORITY_LAST) + { + put_to_back.push_back(Config->module_names[j]); + } + else if (modules[j]->Prioritize() == PRIORITY_FIRST) + { + put_to_front.push_back(Config->module_names[j]); + } + else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE) + { + log(DEBUG,"Module %d wants PRIORITY_BEFORE",j); + put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8]; + log(DEBUG,"Before: %s",Config->module_names[modules[j]->Prioritize() >> 8].c_str()); + } + else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER) + { + log(DEBUG,"Module %d wants PRIORITY_AFTER",j); + put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8]; + log(DEBUG,"After: %s",Config->module_names[modules[j]->Prioritize() >> 8].c_str()); + } + } + for (unsigned int j = 0; j < put_to_back.size(); j++) + { + MoveToLast(put_to_back[j]); + } + for (unsigned int j = 0; j < put_to_front.size(); j++) + { + MoveToFirst(put_to_front[j]); + } + for (std::map::iterator j = put_before.begin(); j != put_before.end(); j++) + { + MoveBefore(j->first,j->second); + } + for (std::map::iterator j = put_after.begin(); j != put_after.end(); j++) + { + MoveAfter(j->first,j->second); + } + BuildISupport(); return true; } int InspIRCd::Run() { bool expire_run = false; - std::vector activefds; + int activefds[MAX_DESCRIPTORS]; int incomingSockfd; int in_port; userrec* cu = NULL; InspSocket* s = NULL; InspSocket* s_del = NULL; - char* target; unsigned int numberactive; sockaddr_in sock_us; // our port number - socklen_t uslen; // length of our port number + socklen_t uslen; // length of our port number + + /* Until THIS point, ServerInstance == NULL */ + + LoadAllModules(this); + printf("\nInspIRCd is now running!\n"); + if (!Config->nofork) { freopen("/dev/null","w",stdout); @@ -426,26 +637,47 @@ int InspIRCd::Run() * timing using this event, so we dont have to * time this exactly). */ - if (((TIME % 8) == 0) && (!expire_run)) + if (((TIME % 5) == 0) && (!expire_run)) { expire_lines(); - FOREACH_MOD OnBackgroundTimer(TIME); + FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME)); + TickMissedTimers(TIME); expire_run = true; continue; } - if ((TIME % 8) == 1) + else if ((TIME % 5) == 1) + { expire_run = false; + } /* Once a second, do the background processing */ if (TIME != OLDTIME) - while (DoBackgroundUserStuff(TIME)); + { + if (TIME < OLDTIME) + WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME)); + DoBackgroundUserStuff(TIME); + + /* + * Trigger all InspTimers that are pending + */ + } + + /* Process timeouts on module sockets each time around + * the loop. There shouldnt be many module sockets, at + * most, 20 or so, so this won't be much of a performance + * hit at all. + */ + DoSocketTimeouts(TIME); + + TickTimers(TIME); /* Call the socket engine to wait on the active * file descriptors. The socket engine has everything's * descriptors in its list... dns, modules, users, * servers... so its nice and easy, just one call. */ - SE->Wait(activefds); + if (!(numberactive = SE->Wait(activefds))) + continue; /** * Now process each of the fd's. For users, we have a fast @@ -454,7 +686,6 @@ int InspIRCd::Run() * listening ports or module sockets though, things could get * ugly. */ - numberactive = activefds.size(); for (unsigned int activefd = 0; activefd < numberactive; activefd++) { int socket_type = SE->GetType(activefds[activefd]); @@ -515,37 +746,37 @@ int InspIRCd::Run() uslen = sizeof(sock_us); length = sizeof(client); incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length); - if (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)) + + if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen))) { in_port = ntohs(sock_us.sin_port); log(DEBUG,"Accepted socket %d",incomingSockfd); - target = (char*)inet_ntoa(client.sin_addr); /* Years and years ago, we used to resolve here * using gethostbyaddr(). That is sucky and we * don't do that any more... */ - if (incomingSockfd >= 0) + NonBlocking(incomingSockfd); + if (Config->GetIOHook(in_port)) { - if (IOHookModule) + try { - IOHookModule->OnRawSocketAccept(incomingSockfd, target, in_port); + Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, (char*)inet_ntoa(client.sin_addr), in_port); } - stats->statsAccept++; - AddClient(incomingSockfd, target, in_port, false, target); - log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd); - } - else - { - WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)in_port,target); - log(DEBUG,"accept failed: %lu",(unsigned long)in_port); - stats->statsRefused++; + catch (ModuleException& modexcept) + { + log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \ + } } + stats->statsAccept++; + AddClient(incomingSockfd, in_port, false, client.sin_addr); + log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd); } else { - log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd); + log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno)); shutdown(incomingSockfd,2); close(incomingSockfd); + stats->statsRefused++; } break;