/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2007 Alexander Barton (alex@barton.de).
+ * Copyright (c)2001-2010 Alexander Barton (alex@barton.de).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "portab.h"
-static char UNUSED id[] = "$Id: ngircd.c,v 1.117 2007/11/21 12:16:36 alex Exp $";
-
/**
* @file
* The main program, including the C function main() which is called
#include <pwd.h>
#include <grp.h>
+#if defined(DEBUG) && defined(HAVE_MTRACE)
+#include <mcheck.h>
+#endif
+
#include "defines.h"
-#include "resolve.h"
#include "conn.h"
-#include "client.h"
+#include "conf-ssl.h"
#include "channel.h"
#include "conf.h"
-#include "cvs-version.h"
#include "lists.h"
#include "log.h"
#include "parse.h"
int i;
size_t n;
+#if defined(DEBUG) && defined(HAVE_MTRACE)
+ /* enable GNU libc memory tracing when running in debug mode
+ * and functionality available */
+ mtrace();
+#endif
+
umask( 0077 );
NGIRCd_SignalQuit = NGIRCd_SignalRestart = NGIRCd_SignalRehash = false;
Fill_Version( );
- /* Kommandozeile parsen */
+ /* parse conmmand line */
for( i = 1; i < argc; i++ )
{
ok = false;
if(( argv[i][0] == '-' ) && ( argv[i][1] == '-' ))
{
- /* Lange Option */
-
+ /* long option */
if( strcmp( argv[i], "--config" ) == 0 )
{
if( i + 1 < argc )
}
else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
{
- /* Kurze Option */
+ /* short option */
for( n = 1; n < strlen( argv[i] ); n++ )
{
ok = false;
#ifdef DEBUG
- if( argv[i][n] == 'd' )
- {
+ if (argv[i][n] == 'd') {
NGIRCd_Debug = true;
ok = true;
}
#endif
- if( argv[i][n] == 'f' )
- {
+ if (argv[i][n] == 'f') {
if(( ! argv[i][n + 1] ) && ( i + 1 < argc ))
{
/* Ok, next character is a blank */
ok = true;
}
}
- if( argv[i][n] == 'n' )
- {
+
+ if (argv[i][n] == 'h') {
+ Show_Version();
+ puts(""); Show_Help(); puts("");
+ exit(1);
+ }
+
+ if (argv[i][n] == 'n') {
NGIRCd_NoDaemon = true;
ok = true;
}
- if( argv[i][n] == 'p' )
- {
+ if (argv[i][n] == 'p') {
NGIRCd_Passive = true;
ok = true;
}
#ifdef SNIFFER
- if( argv[i][n] == 's' )
- {
+ if (argv[i][n] == 's') {
NGIRCd_Sniffer = true;
ok = true;
}
#endif
- if( argv[i][n] == 't' )
- {
+ if (argv[i][n] == 't') {
configtest = true;
ok = true;
}
- if( ! ok )
- {
+ if (argv[i][n] == 'V') {
+ Show_Version();
+ exit(1);
+ }
+
+ if (! ok) {
printf( "%s: invalid option \"-%c\"!\n", PACKAGE_NAME, argv[i][n] );
printf( "Try \"%s --help\" for more information.\n", PACKAGE_NAME );
exit( 1 );
}
}
- /* Debug-Level (fuer IRC-Befehl "VERSION") ermitteln */
+ /* Debug-Level (for IRCs "VERSION" command) */
NGIRCd_DebugLevel[0] = '\0';
#ifdef DEBUG
if( NGIRCd_Debug ) strcpy( NGIRCd_DebugLevel, "1" );
}
#endif
- /* Soll nur die Konfigurations ueberprueft und ausgegeben werden? */
if( configtest )
{
Show_Version( ); puts( "" );
if( ! NGIRCd_NoDaemon ) Log_InitErrorfile( );
#endif
- /* Signal-Handler initialisieren */
Initialize_Signal_Handler( );
- /* Protokoll- und Server-Identifikation erzeugen. Die vom ngIRCd
- * beim PASS-Befehl verwendete Syntax sowie die erweiterten Flags
- * sind in doc/Protocol.txt beschrieben. */
+ /*
+ * create protocol and server identification.
+ * The syntax used by ngIRCd in PASS commands and the extended flags
+ * are described in doc/Protocol.txt
+ */
#ifdef IRCPLUS
snprintf( NGIRCd_ProtoID, sizeof NGIRCd_ProtoID, "%s%s %s|%s:%s", PROTOVER, PROTOIRCPLUS, PACKAGE_NAME, PACKAGE_VERSION, IRCPLUSFLAGS );
#ifdef ZLIB
#ifdef ZLIB
strlcat( NGIRCd_ProtoID, "Z", sizeof NGIRCd_ProtoID );
#endif
- Log( LOG_DEBUG, "Protocol and server ID is \"%s\".", NGIRCd_ProtoID );
+ LogDebug("Protocol and server ID is \"%s\".", NGIRCd_ProtoID);
- /* Vordefinierte Channels anlegen */
Channel_InitPredefined( );
- /* Listen-Ports initialisieren */
if( Conn_InitListeners( ) < 1 )
{
Log( LOG_ALERT, "Server isn't listening on a single port!" );
#ifdef ZLIB
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "ZLIB", sizeof NGIRCd_VersionAddition );
#endif
+#ifdef SSL_SUPPORT
+ if ( NGIRCd_VersionAddition[0] ) strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
+ strlcat( NGIRCd_VersionAddition, "SSL", sizeof NGIRCd_VersionAddition );
+#endif
#ifdef TCPWRAP
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "TCPWRAP", sizeof NGIRCd_VersionAddition );
#endif
#ifdef ZEROCONF
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "ZEROCONF", sizeof NGIRCd_VersionAddition );
#endif
#ifdef IDENTAUTH
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "IDENT", sizeof NGIRCd_VersionAddition );
#endif
+#ifdef PAM
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "PAM", sizeof NGIRCd_VersionAddition);
+#endif
#ifdef DEBUG
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "DEBUG", sizeof NGIRCd_VersionAddition );
#endif
#ifdef SNIFFER
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "SNIFFER", sizeof NGIRCd_VersionAddition );
#endif
#ifdef STRICT_RFC
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "RFC", sizeof NGIRCd_VersionAddition );
#endif
#ifdef IRCPLUS
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
-
strlcat( NGIRCd_VersionAddition, "IRCPLUS", sizeof NGIRCd_VersionAddition );
#endif
-
+#ifdef WANT_IPV6
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+", sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, "IPv6", sizeof(NGIRCd_VersionAddition));
+#endif
if( NGIRCd_VersionAddition[0] )
strlcat( NGIRCd_VersionAddition, "-", sizeof( NGIRCd_VersionAddition ));
strlcat( NGIRCd_VersionAddition, "/", sizeof( NGIRCd_VersionAddition ));
strlcat( NGIRCd_VersionAddition, TARGET_OS, sizeof( NGIRCd_VersionAddition ));
-#ifdef CVSDATE
- snprintf( NGIRCd_Version, sizeof NGIRCd_Version,"%s %s(%s)-%s", PACKAGE_NAME, PACKAGE_VERSION, CVSDATE, NGIRCd_VersionAddition);
-#else
- snprintf( NGIRCd_Version, sizeof NGIRCd_Version, "%s %s-%s", PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_VersionAddition);
-#endif
-} /* Fill_Version */
+ snprintf(NGIRCd_Version, sizeof NGIRCd_Version, "%s %s-%s",
+ PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_VersionAddition);
+ } /* Fill_Version */
/**
Log( LOG_NOTICE|LOG_snotice, "Re-reading configuration NOW!" );
NGIRCd_SignalRehash = false;
- /* Close down all listening sockets */
- Conn_ExitListeners( );
-
/* Remember old server name and nick name length */
strlcpy( old_name, Conf_ServerName, sizeof old_name );
old_nicklen = Conf_MaxNickLength;
/* Re-read configuration ... */
- Conf_Rehash( );
+ if (!Conf_Rehash( ))
+ return;
+
+ /* Close down all listening sockets */
+ Conn_ExitListeners( );
/* Recover old server name and nick name length: these values can't
* be changed during run-time */
/* Create new pre-defined channels */
Channel_InitPredefined( );
-
+
+ if (!ConnSSL_InitLibrary())
+ Log(LOG_WARNING, "Re-Initializing SSL failed, using old keys");
+
/* Start listening on sockets */
Conn_InitListeners( );
static void
Initialize_Signal_Handler( void )
{
- /* Signal-Handler initialisieren: einige Signale
- * werden ignoriert, andere speziell behandelt. */
-
#ifdef HAVE_SIGACTION
- /* sigaction() ist vorhanden */
-
struct sigaction saction;
- /* Signal-Struktur initialisieren */
memset( &saction, 0, sizeof( saction ));
saction.sa_handler = Signal_Handler;
#ifdef SA_RESTART
saction.sa_flags |= SA_NOCLDWAIT;
#endif
- /* Signal-Handler einhaengen */
sigaction(SIGINT, &saction, NULL);
sigaction(SIGQUIT, &saction, NULL);
sigaction(SIGTERM, &saction, NULL);
sigaction(SIGHUP, &saction, NULL);
sigaction(SIGCHLD, &saction, NULL);
- /* einige Signale ignorieren */
+ /* we handle write errors properly; ignore SIGPIPE */
saction.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &saction, NULL);
#else
- /* kein sigaction() vorhanden */
-
- /* Signal-Handler einhaengen */
signal(SIGINT, Signal_Handler);
signal(SIGQUIT, Signal_Handler);
signal(SIGTERM, Signal_Handler);
signal(SIGHUP, Signal_Handler);
signal(SIGCHLD, Signal_Handler);
- /* einige Signale ignorieren */
signal(SIGPIPE, SIG_IGN);
#endif
} /* Initialize_Signal_Handler */
case SIGTERM:
case SIGINT:
case SIGQUIT:
- /* wir soll(t)en uns wohl beenden ... */
+ /* shut down sever */
NGIRCd_SignalQuit = true;
break;
case SIGHUP:
- /* Konfiguration neu einlesen: */
+ /* re-read configuration */
NGIRCd_SignalRehash = true;
break;
case SIGCHLD:
- /* Child-Prozess wurde beendet. Zombies vermeiden: */
- while( waitpid( -1, NULL, WNOHANG ) > 0);
+ /* child-process exited, avoid zombies */
+ while (waitpid( -1, NULL, WNOHANG) > 0)
+ ;
break;
#ifdef DEBUG
default:
Show_Version( void )
{
puts( NGIRCd_Version );
- puts( "Copyright (c)2001-20
07 Alexander Barton (<alex@barton.de>) and Contributors." );
+ puts( "Copyright (c)2001-20
10 Alexander Barton (<alex@barton.de>) and Contributors." );
puts( "Homepage: <http://ngircd.barton.de/>\n" );
puts( "This is free software; see the source for copying conditions. There is NO" );
puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." );
puts( " -s, --sniffer enable network sniffer and display all IRC traffic" );
#endif
puts( " -t, --configtest read, validate and display configuration; then exit" );
- puts( " --version output version information and exit" );
- puts( " --help display this help and exit" );
+ puts( " -V, --version output version information and exit" );
+ puts( " -h, --help display this help and exit" );
} /* Show_Help */
{
struct passwd *pwd;
+#ifdef __CYGWIN__
+ /* Cygwin kludge.
+ * It can return EINVAL instead of EPERM
+ * so, if we are already unprivileged,
+ * use id of current user.
+ */
+ if (geteuid() && getuid()) {
+ *uid = getuid();
+ *gid = getgid();
+ return true;
+ }
+#endif
+
pwd = getpwnam("nobody");
if (!pwd) return false;
if (initialized)
return true;
+ if (!ConnSSL_InitLibrary())
+ Log(LOG_WARNING,
+ "Warning: Error during SSL initialization, continuing ...");
+
if( Conf_Chroot[0] ) {
if( chdir( Conf_Chroot ) != 0 ) {
Log( LOG_ERR, "Can't chdir() in ChrootDir (%s): %s", Conf_Chroot, strerror( errno ));
}
/* New child process */
+#ifndef NeXT
(void)setsid( );
- chdir( "/" );
+#else
+ setpgrp(0, getpid());
+#endif
+ if (chdir( "/" ) != 0)
+ Log(LOG_ERR, "Can't change directory to '/': %s",
+ strerror(errno));
/* Detach stdin, stdout and stderr */
Setup_FDStreams( );
pwd = getpwuid( Conf_UID );
grp = getgrgid( Conf_GID );
- Log( LOG_INFO, "Running as user %s(%ld), group %s(%ld), with PID %ld.",
- pwd ? pwd->pw_name : "unknown", Conf_UID,
- grp ? grp->gr_name : "unknown", Conf_GID, pid);
+ Log(LOG_INFO, "Running as user %s(%ld), group %s(%ld), with PID %ld.",
+ pwd ? pwd->pw_name : "unknown", (long)Conf_UID,
+ grp ? grp->gr_name : "unknown", (long)Conf_GID, (long)pid);
- if ( chrooted ) {
- Log( LOG_INFO, "Running chrooted, chrootdir \"%s\".", Conf_Chroot );
+ if (chrooted) {
+ Log(LOG_INFO, "Running with root directory \"%s\".",
+ Conf_Chroot );
return true;
- } else {
- Log( LOG_INFO, "Not running chrooted." );
- }
+ } else
+ Log(LOG_INFO, "Not running with changed root directory.");
/* Change working directory to home directory of the user
* we are running as (only when running in daemon mode and not in chroot) */
projects / ngircd-alex.git / blobdiff