#include "inspircd.h"
#include "configreader.h"
#include <signal.h>
-#include <time.h>
-#include <string>
#include <exception>
-#include <stdexcept>
-#include <new>
-#include <map>
-#include <sstream>
#include <fstream>
-#include <vector>
-#include <deque>
#include "modules.h"
#include "mode.h"
#include "xline.h"
#include "socket.h"
#include "typedefs.h"
#include "command_parse.h"
+#include <dlfcn.h>
using irc::sockets::NonBlocking;
+using irc::sockets::Blocking;
using irc::sockets::insp_ntoa;
using irc::sockets::insp_inaddr;
using irc::sockets::insp_sockaddr;
-char lowermap[255];
-
InspIRCd* SI = NULL;
void InspIRCd::AddServerName(const std::string &servername)
{
printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
printf("(C) ChatSpike Development team.\033[0m\n\n");
- printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\033[0m\n");
+ printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, jamie\033[0m\n");
printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
}
FOREACH_MOD_I(SI,I_OnRehash,OnRehash(""));
}
-void InspIRCd::SetSignals(bool SEGVHandler)
+void InspIRCd::SetSignals()
{
- signal (SIGALRM, SIG_IGN);
- signal (SIGHUP, InspIRCd::Rehash);
- signal (SIGPIPE, SIG_IGN);
- signal (SIGTERM, InspIRCd::Exit);
+ signal(SIGALRM, SIG_IGN);
+ signal(SIGHUP, InspIRCd::Rehash);
+ signal(SIGPIPE, SIG_IGN);
+ signal(SIGTERM, InspIRCd::Exit);
+ signal(SIGCHLD, SIG_IGN);
}
bool InspIRCd::DaemonSeed()
{
int childpid;
if ((childpid = fork ()) < 0)
- return (ERROR);
+ return false;
else if (childpid > 0)
{
- /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
- sleep(6);
- exit (0);
+ /* We wait here for the child process to kill us,
+ * so that the shell prompt doesnt come back over
+ * the output.
+ * Sending a kill with a signal of 0 just checks
+ * if the child pid is still around. If theyre not,
+ * they threw an error and we should give up.
+ */
+ while (kill(childpid, 0) != -1)
+ sleep(1);
+ exit(ERROR);
}
setsid ();
umask (007);
if (setrlimit(RLIMIT_CORE, &rl) == -1)
this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
}
-
+
return true;
}
InspIRCd::InspIRCd(int argc, char** argv)
: ModCount(-1), duration_m(60), duration_h(60*60), duration_d(60*60*24), duration_w(60*60*24*7), duration_y(60*60*24*365)
{
- bool SEGVHandler = false;
- //ServerInstance = this;
-
modules.resize(255);
factory.resize(255);
this->Config = new ServerConfig(this);
+ this->SNO = new SnomaskManager(this);
this->Start();
- this->module_sockets.clear();
this->TIME = this->OLDTIME = this->startup_time = time(NULL);
srand(this->TIME);
this->Log(DEBUG,"*** InspIRCd starting up!");
{
sleep(6);
}
- else if (!strcmp(argv[i],"-nolimit"))
- {
- printf("WARNING: The `-nolimit' option is deprecated, and now on by default. This behaviour may change in the future.\n");
- }
- else if (!strcmp(argv[i],"-notraceback"))
- {
- SEGVHandler = false;
- }
else if (!strcmp(argv[i],"-logfile"))
{
if (argc > i+1)
}
else
{
- printf("Usage: %s [-nofork] [-nolog] [-debug] [-wait] [-nolimit] [-notraceback] [-logfile <filename>]\n",argv[0]);
+ printf("Usage: %s [-nofork] [-nolog] [-debug] [-wait] [-logfile <filename>]\n",argv[0]);
Exit(ERROR);
}
}
strlcpy(Config->MyExecutable,argv[0],MAXBUF);
- this->MakeLowerMap();
-
- OpenLog(argv, argc);
+ this->OpenLog(argv, argc);
this->stats = new serverstats();
this->Parser = new CommandParser(this);
this->Timers = new TimerManager();
memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
printf("\n");
- this->SetSignals(SEGVHandler);
+ this->SetSignals();
if (!Config->nofork)
{
if (!this->DaemonSeed())
this->Res = new DNS(this);
- this->Log(DEBUG,"RES: %08x",this->Res);
-
this->LoadAllModules();
-
/* Just in case no modules were loaded - fix for bug #101 */
this->BuildISupport();
if (!stats->BoundPortCount)
{
- printf("\nI couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
+ printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
Exit(ERROR);
}
this->Log(DEBUG,"%d listeners",stats->BoundPortCount);
for (unsigned long count = 0; count < stats->BoundPortCount; count++)
{
- this->Log(DEBUG,"Add listener: %d",Config->openSockfd[count]);
- if (!SE->AddFd(Config->openSockfd[count],true,X_LISTEN))
+ this->Log(DEBUG,"Add listener: %d",Config->openSockfd[count]->GetFd());
+ if (!SE->AddFd(Config->openSockfd[count]))
{
printf("\nEH? Could not add listener to socketengine. You screwed up, aborting.\n");
Exit(ERROR);
if (!Config->nofork)
{
- fclose(stdout);
- fclose(stderr);
+ if (kill(getppid(), SIGTERM) == -1)
+ printf("Error killing parent process: %s\n",strerror(errno));
fclose(stdin);
+ fclose(stderr);
+ fclose(stdout);
}
printf("\nInspIRCd is now running!\n");
this->WritePID(Config->PID);
-
- /* main loop, this never returns */
- expire_run = false;
- iterations = 0;
-
- return;
}
std::string InspIRCd::GetVersionString()
{
if (v == j)
{
+ delete *t;
factory.erase(t);
factory.push_back(NULL);
return;
{
// 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 << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " 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";
+ v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32";
Config->data005 = v.str();
FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005));
}
if ((long)factory[this->ModCount+1]->factory != -1)
{
Module* m = factory[this->ModCount+1]->factory->CreateModule(this);
+
+ Version v = m->GetVersion();
+
+ if (v.API != API_VERSION)
+ {
+ delete m;
+ delete a;
+ this->Log(DEFAULT,"Unable to load %s: Incorrect module API version: %d (our version: %d)",modfile,v.API,API_VERSION);
+ snprintf(MODERR,MAXBUF,"Loader/Linker error: Incorrect module API version: %d (our version: %d)",v.API,API_VERSION);
+ return false;
+ }
+ else
+ {
+ this->Log(DEFAULT,"New module introduced: %s (API version %d, Module version %d.%d.%d.%d)%s", filename, v.API, v.Major, v.Minor, v.Revision, v.Build, (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
+ }
+
modules[this->ModCount+1] = m;
/* save the module and the module's classfactory, if
* this isnt done, random crashes can occur :/ */
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)
- {
put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
- }
else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
- {
put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
- }
}
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<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
- {
MoveBefore(j->first,j->second);
- }
for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
- {
MoveAfter(j->first,j->second);
- }
BuildISupport();
return true;
}
void InspIRCd::DoOneIteration(bool process_module_sockets)
{
- int activefds[MAX_DESCRIPTORS];
- int incomingSockfd;
- int in_port;
- userrec* cu = NULL;
- InspSocket* s = NULL;
- InspSocket* s_del = NULL;
- unsigned int numberactive;
- insp_sockaddr sock_us; // our port number
- socklen_t uslen; // length of our port number
-
/* time() seems to be a pretty expensive syscall, so avoid calling it too much.
* Once per loop iteration is pleanty.
*/
OLDTIME = TIME;
TIME = time(NULL);
-
+
/* Run background module timers every few seconds
* (the docs say modules shouldnt rely on accurate
* timing using this event, so we dont have to
* time this exactly).
*/
- if (((TIME % 5) == 0) && (!expire_run))
- {
- XLines->expire_lines();
- if (process_module_sockets)
- {
- FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
- }
- Timers->TickMissedTimers(TIME);
- expire_run = true;
- return;
- }
- else if ((TIME % 5) == 1)
- {
- expire_run = false;
- }
-
- if (iterations++ == 15)
- {
- iterations = 0;
- this->DoBackgroundUserStuff(TIME);
- }
-
- /* Once a second, do the background processing */
if (TIME != OLDTIME)
{
if (TIME < OLDTIME)
WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
if ((TIME % 3600) == 0)
{
- irc::whowas::MaintainWhoWas(TIME);
+ irc::whowas::MaintainWhoWas(this, TIME);
+ }
+ Timers->TickTimers(TIME);
+ this->DoBackgroundUserStuff(TIME);
+
+ if ((TIME % 5) == 0)
+ {
+ XLines->expire_lines();
+ FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
+ Timers->TickMissedTimers(TIME);
}
}
- /* 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.
- */
- if (process_module_sockets)
- this->DoSocketTimeouts(TIME);
-
- Timers->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.
+ * This will cause any read or write events to be
+ * dispatched to their handlers.
*/
- if (!(numberactive = SE->Wait(activefds)))
- return;
-
- /**
- * Now process each of the fd's. For users, we have a fast
- * lookup table which can find a user by file descriptor, so
- * processing them by fd isnt expensive. If we have a lot of
- * listening ports or module sockets though, things could get
- * ugly.
- */
- this->Log(DEBUG,"There are %d fd's to process.",numberactive);
-
- for (unsigned int activefd = 0; activefd < numberactive; activefd++)
- {
- int socket_type = SE->GetType(activefds[activefd]);
- switch (socket_type)
- {
- case X_ESTAB_CLIENT:
-
- this->Log(DEBUG,"Type: X_ESTAB_CLIENT: fd=%d",activefds[activefd]);
- cu = this->fd_ref_table[activefds[activefd]];
- if (cu)
- this->ProcessUser(cu);
-
- break;
-
- case X_ESTAB_MODULE:
-
- this->Log(DEBUG,"Type: X_ESTAB_MODULE: fd=%d",activefds[activefd]);
-
- if (!process_module_sockets)
- break;
-
- /* Process module-owned sockets.
- * Modules are encouraged to inherit their sockets from
- * InspSocket so we can process them neatly like this.
- */
- s = this->socket_ref[activefds[activefd]];
-
- if ((s) && (!s->Poll()))
- {
- this->Log(DEBUG,"Socket poll returned false, close and bail");
- SE->DelFd(s->GetFd());
- this->socket_ref[activefds[activefd]] = NULL;
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
- {
- s_del = *a;
- if ((s_del) && (s_del->GetFd() == activefds[activefd]))
- {
- module_sockets.erase(a);
- break;
- }
- }
- s->Close();
- DELETE(s);
- }
- else if (!s)
- {
- this->Log(DEBUG,"WTF, X_ESTAB_MODULE for nonexistent InspSocket, removed!");
- SE->DelFd(s->GetFd());
- }
- break;
-
- case X_ESTAB_DNS:
- /* Handles instances of the Resolver class,
- * a simple class extended by modules and the core for
- * nonblocking resolving of addresses.
- */
- this->Res->MarshallReads(activefds[activefd]);
- break;
-
- case X_LISTEN:
-
- this->Log(DEBUG,"Type: X_LISTEN: fd=%d",activefds[activefd]);
-
- /* It's a listener */
- uslen = sizeof(sock_us);
- length = sizeof(client);
- incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
-
- if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)))
- {
-#ifdef IPV6
- in_port = ntohs(sock_us.sin6_port);
-#else
- in_port = ntohs(sock_us.sin_port);
-#endif
- this->Log(DEBUG,"Accepted socket %d",incomingSockfd);
- /* Years and years ago, we used to resolve here
- * using gethostbyaddr(). That is sucky and we
- * don't do that any more...
- */
- NonBlocking(incomingSockfd);
- if (Config->GetIOHook(in_port))
- {
- try
- {
-#ifdef IPV6
- Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, insp_ntoa(client.sin6_addr), in_port);
-#else
- Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, insp_ntoa(client.sin_addr), in_port);
-#endif
- }
- catch (ModuleException& modexcept)
- {
- this->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
- }
- }
- stats->statsAccept++;
-#ifdef IPV6
- this->Log(DEBUG,"Add ipv6 client");
- userrec::AddClient(this, incomingSockfd, in_port, false, client.sin6_addr);
-#else
- this->Log(DEBUG,"Add ipv4 client");
- userrec::AddClient(this, incomingSockfd, in_port, false, client.sin_addr);
-#endif
- this->Log(DEBUG,"Adding client on port %d fd=%d",in_port,incomingSockfd);
- }
- else
- {
- this->Log(DEBUG,"Accept failed on fd %d: %s",incomingSockfd,strerror(errno));
- shutdown(incomingSockfd,2);
- close(incomingSockfd);
- stats->statsRefused++;
- }
- break;
-
- default:
- /* Something went wrong if we're in here.
- * In fact, so wrong, im not quite sure
- * what we would do, so for now, its going
- * to safely do bugger all.
- */
- this->Log(DEBUG,"Type: X_WHAT_THE_FUCK_BBQ: fd=%d",activefds[activefd]);
- SE->DelFd(activefds[activefd]);
- break;
- }
- }
+ SE->DispatchEvents();
}
bool InspIRCd::IsIdent(const char* n)
}
-bool InspIRCd::IsNick(const char* n)
-{
- if (!n || !*n)
- return false;
-
- int p = 0;
- for (char* i = (char*)n; *i; i++, p++)
- {
- /* "A"-"}" can occur anywhere in a nickname */
- if ((*i >= 'A') && (*i <= '}'))
- {
- continue;
- }
- /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
- if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
- {
- continue;
- }
- /* invalid character! abort */
- return false;
- }
- return (p < NICKMAX - 1);
-}
-
int InspIRCd::Run()
{
while (true)
return TIME;
}
+bool FileLogger::Readable()
+{
+ return false;
+}
+
+void FileLogger::HandleEvent(EventType et)
+{
+ this->WriteLogLine("");
+ ServerInstance->SE->DelFd(this);
+}
+
+void FileLogger::WriteLogLine(const std::string &line)
+{
+ if (line.length())
+ buffer.append(line);
+
+ if (log)
+ {
+ int written = fprintf(log,"%s",buffer.c_str());
+ if ((written >= 0) && (written < (int)buffer.length()))
+ {
+ buffer.erase(0, buffer.length());
+ ServerInstance->SE->AddFd(this);
+ }
+ else if (written == -1)
+ {
+ if (errno == EAGAIN)
+ ServerInstance->SE->AddFd(this);
+ }
+ else
+ {
+ /* Wrote the whole buffer, and no need for write callback */
+ buffer = "";
+ }
+ }
+ if (writeops++ % 20)
+ {
+ fflush(log);
+ }
+}
+
+void FileLogger::Close()
+{
+ if (log)
+ {
+ int flags = fcntl(fileno(log), F_GETFL, 0);
+ fcntl(fileno(log), F_SETFL, flags ^ O_NONBLOCK);
+ if (buffer.size())
+ fprintf(log,"%s",buffer.c_str());
+ fflush(log);
+ fclose(log);
+ }
+ buffer = "";
+ ServerInstance->SE->DelFd(this);
+}
+
+FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0)
+{
+ irc::sockets::NonBlocking(fileno(log));
+ this->SetFd(fileno(log));
+ buffer = "";
+}
+
+FileLogger::~FileLogger()
+{
+ this->Close();
+}
+