]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
Use safe iter for deleting while iterating
[user/henk/code/inspircd.git] / src / inspircd.cpp
index 7efbaa54f02a3c078a7f4cf543c9ff593a647d23..54c3aa0abdbae606d71402bc179b5efb1af7b784 100644 (file)
@@ -1,35 +1,20 @@
-/* ---------------------------------------------------------------------
- * 
- *           +------------------------------------+
- *           | Inspire Internet Relay Chat Daemon |
- *           +------------------------------------+
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
  *
- *      InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                          E-mail:
- *                   <brain@chatspike.net>
- *                   <Craig@chatspike.net>
- *     
- *  Written by Craig Edwards, Craig McLure, and others.
- *  This program is free but copyrighted software; you can redistribute
- *  it and/or modify it under the terms of the GNU General Public
- *  License as published by the Free Software Foundation, version 2
- *  (two) ONLY.
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
  *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
  *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * ---------------------------------------------------------------------
+ * ---------------------------------------------------
  */
 
 #include "inspircd.h"
 #include "configreader.h"
 #include <signal.h>
+#include <dirent.h>
 #include <exception>
 #include <fstream>
 #include "modules.h"
@@ -40,6 +25,7 @@
 #include "socket.h"
 #include "typedefs.h"
 #include "command_parse.h"
+#include <dlfcn.h>
 
 using irc::sockets::NonBlocking;
 using irc::sockets::Blocking;
@@ -83,10 +69,9 @@ void InspIRCd::Exit(int status)
 void InspIRCd::Start()
 {
        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("(C) InspIRCd Development Team.\033[0m\n\n");
+       printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\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");
 }
 
 void InspIRCd::Rehash(int status)
@@ -98,7 +83,7 @@ void InspIRCd::Rehash(int status)
        FOREACH_MOD_I(SI,I_OnRehash,OnRehash(""));
 }
 
-void InspIRCd::SetSignals(bool SEGVHandler)
+void InspIRCd::SetSignals()
 {
        signal(SIGALRM, SIG_IGN);
        signal(SIGHUP, InspIRCd::Rehash);
@@ -147,7 +132,18 @@ bool InspIRCd::DaemonSeed()
 
 void InspIRCd::WritePID(const std::string &filename)
 {
-       std::ofstream outfile(filename.c_str());
+       std::string fname = (filename.empty() ? "inspircd.pid" : filename);
+       if (*(fname.begin()) != '/')
+       {
+               std::string::size_type pos;
+               std::string confpath = CONFIG_FILE;
+               if ((pos = confpath.find("/inspircd.conf")) != std::string::npos)
+               {
+                       /* Leaves us with just the path */
+                       fname = confpath.substr(0, pos) + std::string("/") + fname;
+               }
+       }                                                                       
+       std::ofstream outfile(fname.c_str());
        if (outfile.is_open())
        {
                outfile << getpid();
@@ -155,8 +151,8 @@ void InspIRCd::WritePID(const std::string &filename)
        }
        else
        {
-               printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
-               this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
+               printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
+               this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
                Exit(0);
        }
 }
@@ -169,15 +165,20 @@ std::string InspIRCd::GetRevision()
 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;
+       int found_ports = 0;
+       FailedPortList pl;
 
        modules.resize(255);
        factory.resize(255);
        
        this->Config = new ServerConfig(this);
+       this->Config->opertypes.clear();
+       this->Config->operclass.clear();
        this->SNO = new SnomaskManager(this);
        this->Start();
        this->TIME = this->OLDTIME = this->startup_time = time(NULL);
+       this->time_delta = 0;
+       this->next_call = this->TIME + 3;
        srand(this->TIME);
        this->Log(DEBUG,"*** InspIRCd starting up!");
        if (!ServerConfig::FileExists(CONFIG_FILE))
@@ -207,14 +208,6 @@ InspIRCd::InspIRCd(int argc, char** argv)
                        {
                                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)
@@ -231,7 +224,7 @@ InspIRCd::InspIRCd(int argc, char** argv)
                        }
                        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);
                        }
                }
@@ -251,7 +244,7 @@ InspIRCd::InspIRCd(int argc, char** argv)
        this->AddServerName(Config->ServerName);        
        CheckDie();
        InitializeDisabledCommands(Config->DisabledCommands, this);
-       stats->BoundPortCount = BindPorts(true);
+       stats->BoundPortCount = BindPorts(true, found_ports, pl);
 
        for(int t = 0; t < 255; t++)
                Config->global_implementation[t] = 0;
@@ -259,7 +252,7 @@ InspIRCd::InspIRCd(int argc, char** argv)
        memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
 
        printf("\n");
-       this->SetSignals(SEGVHandler);
+       this->SetSignals();
        if (!Config->nofork)
        {
                if (!this->DaemonSeed())
@@ -282,11 +275,22 @@ InspIRCd::InspIRCd(int argc, char** argv)
        /* Just in case no modules were loaded - fix for bug #101 */
        this->BuildISupport();
 
-       if (!stats->BoundPortCount)
+       if ((stats->BoundPortCount == 0) && (found_ports > 0))
        {
                printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
                Exit(ERROR);
        }
+       
+       if (stats->BoundPortCount != (unsigned int)found_ports)
+       {
+               printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %ld of %d client ports bound.\n\n", stats->BoundPortCount, found_ports);
+               printf("The following port%s failed to bind:\n", found_ports - stats->BoundPortCount != 1 ? "s" : "");
+               int j = 1;
+               for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
+               {
+                       printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
+               }
+       }
 
        /* Add the listening sockets used for client inbound connections
         * to the socket engine
@@ -343,6 +347,7 @@ void InspIRCd::EraseFactory(int j)
        {
                if (v == j)
                {
+                       delete *t;
                        factory.erase(t);
                        factory.push_back(NULL);
                        return;
@@ -468,6 +473,7 @@ void InspIRCd::BuildISupport()
        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));
+       Config->Update005();
 }
 
 bool InspIRCd::UnloadModule(const char* filename)
@@ -483,6 +489,17 @@ bool InspIRCd::UnloadModule(const char* filename)
                                snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
                                return false;
                        }
+                       std::pair<int,std::string> intercount = GetInterfaceInstanceCount(modules[j]);
+                       if (intercount.first > 0)
+                       {
+                               this->Log(DEFAULT,"Failed to unload module %s, being used by %d other(s) via interface '%s'",filename, intercount.first, intercount.second.c_str());
+                               snprintf(MODERR,MAXBUF,"Module not unloadable (Still in use by %d other module%s which %s using its interface '%s') -- unload dependent modules first!",
+                                               intercount.first,
+                                               intercount.first > 1 ? "s" : "",
+                                               intercount.first > 1 ? "are" : "is",
+                                               intercount.second.c_str());
+                               return false;
+                       }
                        /* Give the module a chance to tidy out all its metadata */
                        for (chan_hash::iterator c = this->chanlist.begin(); c != this->chanlist.end(); c++)
                        {
@@ -493,6 +510,9 @@ bool InspIRCd::UnloadModule(const char* filename)
                                modules[j]->OnCleanup(TYPE_USER,u->second);
                        }
 
+                       /* Tidy up any dangling resolvers */
+                       this->Res->CleanResolvers(modules[j]);
+
                        FOREACH_MOD_I(this,I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
 
                        for(int t = 0; t < 255; t++)
@@ -530,28 +550,50 @@ bool InspIRCd::UnloadModule(const char* filename)
 
 bool InspIRCd::LoadModule(const char* filename)
 {
+       /* Do we have a glob pattern in the filename?
+        * The user wants to load multiple modules which
+        * match the pattern.
+        */
+       if (strchr(filename,'*') || (strchr(filename,'?')))
+       {
+               int n_match = 0;
+               DIR* library = opendir(Config->ModPath);
+               if (library)
+               {
+                       /* Try and locate and load all modules matching the pattern */
+                       dirent* entry = NULL;
+                       while ((entry = readdir(library)))
+                       {
+                               if (this->MatchText(entry->d_name, filename))
+                               {
+                                       if (!this->LoadModule(entry->d_name))
+                                               n_match++;
+                               }
+                       }
+                       closedir(library);
+               }
+               /* Loadmodule will now return false if any one of the modules failed
+                * to load (but wont abort when it encounters a bad one) and when 1 or
+                * more modules were actually loaded.
+                */
+               return (n_match > 0);
+       }
+
        char modfile[MAXBUF];
-#ifdef STATIC_LINK
-       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 (!ServerConfig::DirValid(modfile))
        {
                this->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
        this->Log(DEBUG,"Loading module: %s",modfile);
-#ifndef STATIC_LINK
+
        if (ServerConfig::FileExists(modfile))
        {
-#endif
+
                for (unsigned int j = 0; j < Config->module_names.size(); j++)
                {
                        if (Config->module_names[j] == filename_str)
@@ -574,6 +616,22 @@ bool InspIRCd::LoadModule(const char* filename)
                        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 :/ */
@@ -595,13 +653,12 @@ bool InspIRCd::LoadModule(const char* filename)
                                return false;
                        }
                }
-               catch (ModuleException& modexcept)
+               catch (CoreException& modexcept)
                {
                        this->Log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason());
-                       snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason());
+                       snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
                        return false;
                }
-#ifndef STATIC_LINK
        }
        else
        {
@@ -609,7 +666,6 @@ bool InspIRCd::LoadModule(const char* filename)
                snprintf(MODERR,MAXBUF,"Module file could not be found");
                return false;
        }
-#endif
        this->ModCount++;
        FOREACH_MOD_I(this,I_OnLoadModule,OnLoadModule(modules[this->ModCount],filename_str));
        // now work out which modules, if any, want to move to the back of the queue,
@@ -643,6 +699,8 @@ bool InspIRCd::LoadModule(const char* filename)
 
 void InspIRCd::DoOneIteration(bool process_module_sockets)
 {
+       static rusage ru;
+
        /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
         * Once per loop iteration is pleanty.
         */
@@ -660,7 +718,7 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        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);
@@ -671,6 +729,12 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
                        Timers->TickMissedTimers(TIME);
                }
+
+               if (!getrusage(0, &ru))
+               {
+                       gettimeofday(&this->stats->LastSampled, NULL);
+                       this->stats->LastCPU = ru.ru_utime;
+               }
        }
 
        /* Call the socket engine to wait on the active
@@ -704,30 +768,6 @@ 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)
@@ -778,17 +818,50 @@ int InspIRCd::GetModuleCount()
        return this->ModCount;
 }
 
-time_t InspIRCd::Time()
+time_t InspIRCd::Time(bool delta)
 {
+       if (delta)
+               return TIME + time_delta;
        return TIME;
 }
 
+int InspIRCd::SetTimeDelta(int delta)
+{
+       int old = time_delta;
+       time_delta += delta;
+       this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
+       return old;
+}
+
+void InspIRCd::AddLocalClone(userrec* user)
+{
+       clonemap::iterator x = local_clones.find(user->GetIPString());
+       if (x != local_clones.end())
+               x->second++;
+       else
+               local_clones[user->GetIPString()] = 1;
+}
+
+void InspIRCd::AddGlobalClone(userrec* user)
+{
+       clonemap::iterator y = global_clones.find(user->GetIPString());
+       if (y != global_clones.end())
+               y->second++;
+       else
+               global_clones[user->GetIPString()] = 1;
+}
+
+int InspIRCd::GetTimeDelta()
+{
+       return time_delta;
+}
+
 bool FileLogger::Readable()
 {
        return false;
 }
 
-void FileLogger::HandleEvent(EventType et)
+void FileLogger::HandleEvent(EventType et, int errornum)
 {
        this->WriteLogLine("");
        ServerInstance->SE->DelFd(this);