* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
#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
std::vector<userrec*> local_users;
extern int MODCOUNT;
+extern char LOG_FILE[MAXBUF];
int openSockfd[MAXSOCKS];
sockaddr_in client,server;
socklen_t length;
// 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];
Server* MyServer = new Server;
ServerConfig *Config = new ServerConfig;
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
* 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;
printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
Exit(ERROR);
}
+ *LOG_FILE = 0;
if (argc > 1) {
for (int i = 1; i < argc; i++)
{
if (!strcmp(argv[i],"-nolimit")) {
Config->unlimitcore = true;
}
+ if (!strcmp(argv[i],"-logfile")) {
+ if (argc > i+1)
+ {
+ strlcpy(LOG_FILE,argv[i+1],MAXBUF);
+ printf("LOG: Setting logfile to %s\n",LOG_FILE);
+ }
+ else
+ {
+ printf("ERROR: The -logfile parameter must be followed by a log file name and path.\n");
+ Exit(ERROR);
+ }
+ }
}
}
#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;
}
}
+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 MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 NICKLEN=" << NICKMAX;
- v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=" << Config->Network;
+ 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));
}
modules[j]->OnCleanup(TYPE_USER,u->second);
}
+ 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];
}
- FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
+ /* 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);
#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
{
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);
+ 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;
+ char* x = &Config->implement_lists[MODCOUNT+1][0];
+ for(int t = 0; t < 255; t++)
+ x[t] = 0;
- modules[MODCOUNT+1]->Implements(x);
+ 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])
+ for(int t = 0; t < 255; t++)
{
- log(DEBUG,"Add global implementation: %d %d => %d",MODCOUNT+1,t,Config->global_implementation[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!");
+ }
+ 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
#endif
MODCOUNT++;
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<std::string> put_to_back;
+ std::vector<std::string> put_to_front;
+ std::map<std::string,std::string> put_before;
+ std::map<std::string,std::string> 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<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;
}
-int InspIRCd::Run()
+void InspIRCd::DoOneIteration(bool process_module_sockets)
{
- bool expire_run = false;
- int activefds[MAX_DESCRIPTORS];
- int incomingSockfd;
- int in_port;
- userrec* cu = NULL;
- InspSocket* s = NULL;
- InspSocket* s_del = NULL;
- char* target;
- unsigned int numberactive;
+ /*bool expire_run = false;
+ int activefds[MAX_DESCRIPTORS];
+ int incomingSockfd;
+ int in_port;
+ userrec* cu = NULL;
+ InspSocket* s = NULL;
+ InspSocket* s_del = NULL;
+ 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
+
+ /* 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))
+ {
+ expire_lines();
+ FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
+ TickMissedTimers(TIME);
+ expire_run = true;
+ return;
+ }
+ else if ((TIME % 5) == 1)
+ {
+ expire_run = false;
+ }
+
+ /* 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));
+ DoBackgroundUserStuff(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)
+ 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.
+ */
+ 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.
+ */
+ for (unsigned int activefd = 0; activefd < numberactive; activefd++)
+ {
+ int socket_type = SE->GetType(activefds[activefd]);
+ switch (socket_type)
+ {
+ case X_ESTAB_CLIENT:
+
+ cu = fd_ref_table[activefds[activefd]];
+ if (cu)
+ ProcessUser(cu);
+
+ break;
+
+ case X_ESTAB_MODULE:
+
+ if (!process_module_sockets)
+ return;
+
+ /* Process module-owned sockets.
+ * Modules are encouraged to inherit their sockets from
+ * InspSocket so we can process them neatly like this.
+ */
+ s = socket_ref[activefds[activefd]];
+
+ if ((s) && (!s->Poll()))
+ {
+ log(DEBUG,"Socket poll returned false, close and bail");
+ SE->DelFd(s->GetFd());
+ for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
+ {
+ s_del = (InspSocket*)*a;
+ if ((s_del) && (s_del->GetFd() == activefds[activefd]))
+ {
+ module_sockets.erase(a);
+ break;
+ }
+ }
+ s->Close();
+ delete s;
+ }
+ break;
+
+ case X_ESTAB_DNS:
+ /* When we are using single-threaded dns,
+ * the sockets for dns end up in our mainloop.
+ * When we are using multi-threaded dns,
+ * each thread has its own basic poll() loop
+ * within it, making them 'fire and forget'
+ * and independent of the mainloop.
+ */
+#ifndef THREADED_DNS
+ dns_poll(activefds[activefd]);
+#endif
+ break;
+
+ case X_LISTEN:
+
+ /* 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)))
+ {
+ in_port = ntohs(sock_us.sin_port);
+ 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
+ {
+ Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, (char*)inet_ntoa(client.sin_addr), in_port);
+ }
+ 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,"Accept failed on fd %lu: %s",(unsigned long)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.
+ */
+ break;
+ }
+ }
+}
+int InspIRCd::Run()
+{
/* Until THIS point, ServerInstance == NULL */
LoadAllModules(this);
WritePID(Config->PID);
/* main loop, this never returns */
- for (;;)
- {
- /* 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 % 8) == 0) && (!expire_run))
- {
- expire_lines();
- FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
- expire_run = true;
- continue;
- }
- else if ((TIME % 8) == 1)
- {
- expire_run = false;
- }
-
- /* Once a second, do the background processing */
- if ((TIME != OLDTIME) && ((TIME % 2) == 0))
- DoBackgroundUserStuff(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.
- */
- if (!(numberactive = SE->Wait(activefds)))
- continue;
-
- /**
- * 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.
- */
- for (unsigned int activefd = 0; activefd < numberactive; activefd++)
- {
- int socket_type = SE->GetType(activefds[activefd]);
- switch (socket_type)
- {
- case X_ESTAB_CLIENT:
-
- cu = fd_ref_table[activefds[activefd]];
- if (cu)
- ProcessUser(cu);
-
- break;
-
- case X_ESTAB_MODULE:
-
- /* Process module-owned sockets.
- * Modules are encouraged to inherit their sockets from
- * InspSocket so we can process them neatly like this.
- */
- s = socket_ref[activefds[activefd]];
-
- if ((s) && (!s->Poll()))
- {
- log(DEBUG,"Socket poll returned false, close and bail");
- SE->DelFd(s->GetFd());
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
- {
- s_del = (InspSocket*)*a;
- if ((s_del) && (s_del->GetFd() == activefds[activefd]))
- {
- module_sockets.erase(a);
- break;
- }
- }
- s->Close();
- delete s;
- }
-
- break;
-
- case X_ESTAB_DNS:
-
- /* When we are using single-threaded dns,
- * the sockets for dns end up in our mainloop.
- * When we are using multi-threaded dns,
- * each thread has its own basic poll() loop
- * within it, making them 'fire and forget'
- * and independent of the mainloop.
- */
-#ifndef THREADED_DNS
- dns_poll(activefds[activefd]);
-#endif
- break;
-
- case X_LISTEN:
-
- /* It's a listener */
- uslen = sizeof(sock_us);
- length = sizeof(client);
- incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
- if (!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))
- {
- Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, target, 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++;
- }
- }
- else
- {
- log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd);
- shutdown(incomingSockfd,2);
- close(incomingSockfd);
- }
- 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.
- */
- break;
- }
- }
+ expire_run = false;
+ while (true)
+ {
+ DoOneIteration(true);
}
/* This is never reached -- we hope! */
return 0;
projects / user / henk / code / inspircd.git / blobdiff