/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2023 Alexander Barton (alex@barton.de) and Contributors.
*
* 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
* Please read the file COPYING, README and AUTHORS for more information.
*/
+#define GLOBAL_INIT
#include "portab.h"
/**
* by the loader of the operating system.
*/
-#include "imp.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
-#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <mcheck.h>
#endif
-#include "defines.h"
#include "conn.h"
#include "class.h"
-#include "conf-ssl.h"
#include "channel.h"
#include "conf.h"
-#include "lists.h"
#include "log.h"
-#include "parse.h"
#include "sighandlers.h"
#include "io.h"
-#include "irc.h"
-#include "exp.h"
#include "ngircd.h"
-
static void Show_Version PARAMS(( void ));
static void Show_Help PARAMS(( void ));
NGIRCd_SignalQuit = NGIRCd_SignalRestart = false;
NGIRCd_Passive = false;
-#ifdef DEBUG
NGIRCd_Debug = false;
-#endif
#ifdef SNIFFER
NGIRCd_Sniffer = false;
#endif
configtest = true;
ok = true;
}
-#ifdef DEBUG
if (strcmp(argv[i], "--debug") == 0) {
NGIRCd_Debug = true;
ok = true;
}
-#endif
if (strcmp(argv[i], "--help") == 0) {
Show_Version();
puts(""); Show_Help( ); puts( "" );
- exit(1);
+ exit(0);
}
if (strcmp(argv[i], "--nodaemon") == 0) {
NGIRCd_NoDaemon = true;
#endif
if (strcmp(argv[i], "--version") == 0) {
Show_Version();
- exit(1);
+ exit(0);
}
}
else if(argv[i][0] == '-' && argv[i][1] != '-') {
/* short option */
for (n = 1; n < strlen(argv[i]); n++) {
ok = false;
-#ifdef DEBUG
if (argv[i][n] == 'd') {
NGIRCd_Debug = true;
ok = true;
}
-#endif
if (argv[i][n] == 'f') {
if (!argv[i][n+1] && i+1 < argc) {
/* Ok, next character is a blank */
}
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);
+ fprintf(stderr,
+ "%s: invalid option \"-%c\"!\n",
+ PACKAGE_NAME, argv[i][n]);
+ fprintf(stderr,
+ "Try \"%s --help\" for more information.\n",
+ PACKAGE_NAME);
+ exit(2);
}
}
}
if (!ok) {
- printf("%s: invalid option \"%s\"!\n",
- PACKAGE_NAME, argv[i]);
- printf("Try \"%s --help\" for more information.\n",
- PACKAGE_NAME);
- exit(1);
+ fprintf(stderr, "%s: invalid option \"%s\"!\n",
+ PACKAGE_NAME, argv[i]);
+ fprintf(stderr, "Try \"%s --help\" for more information.\n",
+ PACKAGE_NAME);
+ exit(2);
}
}
/* Debug level for "VERSION" command */
NGIRCd_DebugLevel[0] = '\0';
-#ifdef DEBUG
if (NGIRCd_Debug)
strcpy(NGIRCd_DebugLevel, "1");
-#endif
#ifdef SNIFFER
if (NGIRCd_Sniffer) {
NGIRCd_Debug = true;
NGIRCd_SignalRestart = false;
NGIRCd_SignalQuit = false;
- Random_Init();
-
- /* Initialize modules, part I */
Log_Init(!NGIRCd_NoDaemon);
+ Random_Init();
Conf_Init();
+ Log_ReInit();
- /* Initialize the "main program": chroot environment, user and
- * group ID, ... */
+ /* Initialize the "main program":
+ * chroot environment, user and group ID, ... */
if (!NGIRCd_Init(NGIRCd_NoDaemon)) {
- Log(LOG_ALERT, "Fatal: Initialization failed");
+ Log(LOG_ALERT, "Fatal: Initialization failed, exiting!");
exit(1);
}
- /* Initialize modules, part II: these functions are eventually
- * called with already dropped privileges ... */
- Channel_Init();
- Client_Init();
- Conn_Init();
- Class_Init();
-
if (!io_library_init(CONNECTION_POOL)) {
Log(LOG_ALERT,
"Fatal: Could not initialize IO routines: %s",
exit(1);
}
+ Channel_Init();
+ Conn_Init();
+ Class_Init();
+ Client_Init();
+
/* Create protocol and server identification. The syntax
* used by ngIRCd in PASS commands and the known "extended
* flags" are described in doc/Protocol.txt. */
PROTOVER, PROTOIRCPLUS, PACKAGE_NAME, PACKAGE_VERSION,
IRCPLUSFLAGS);
#ifdef ZLIB
- strcat(NGIRCd_ProtoID, "Z");
+ strlcat(NGIRCd_ProtoID, "Z", sizeof NGIRCd_ProtoID);
#endif
if (Conf_OperCanMode)
- strcat(NGIRCd_ProtoID, "o");
+ strlcat(NGIRCd_ProtoID, "o", sizeof NGIRCd_ProtoID);
#else /* IRCPLUS */
snprintf(NGIRCd_ProtoID, sizeof NGIRCd_ProtoID, "%s%s %s|%s",
PROTOVER, PROTOIRC, PACKAGE_NAME, PACKAGE_VERSION);
Channel_Exit();
Class_Exit();
Log_Exit();
+ Signals_Exit();
}
Pidfile_Delete();
* line switch.
*/
static void
-Fill_Version( void )
+Fill_Version(void)
{
NGIRCd_VersionAddition[0] = '\0';
-#ifdef SYSLOG
- strlcpy( NGIRCd_VersionAddition, "SYSLOG", sizeof NGIRCd_VersionAddition );
+#ifdef ICONV
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "CHARCONV",
+ sizeof NGIRCd_VersionAddition);
#endif
-#ifdef ZLIB
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "ZLIB", sizeof NGIRCd_VersionAddition );
+#ifdef DEBUG
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "DEBUG",
+ sizeof NGIRCd_VersionAddition);
#endif
-#ifdef SSL_SUPPORT
- if ( NGIRCd_VersionAddition[0] ) strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "SSL", sizeof NGIRCd_VersionAddition );
+#ifdef IDENTAUTH
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "IDENT",
+ sizeof NGIRCd_VersionAddition);
#endif
-#ifdef TCPWRAP
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "TCPWRAP", sizeof NGIRCd_VersionAddition );
+#ifdef WANT_IPV6
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, "IPv6",
+ sizeof(NGIRCd_VersionAddition));
#endif
-#ifdef IDENTAUTH
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "IDENT", sizeof NGIRCd_VersionAddition );
+#ifdef IRCPLUS
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "IRCPLUS",
+ sizeof NGIRCd_VersionAddition);
#endif
#ifdef PAM
if (NGIRCd_VersionAddition[0])
- strlcat(NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition);
- strlcat(NGIRCd_VersionAddition, "PAM", sizeof NGIRCd_VersionAddition);
+ 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 );
+#ifdef STRICT_RFC
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "RFC",
+ sizeof NGIRCd_VersionAddition);
#endif
#ifdef SNIFFER
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "SNIFFER", sizeof NGIRCd_VersionAddition );
+ 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 );
+#ifdef SSL_SUPPORT
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "SSL",
+ sizeof NGIRCd_VersionAddition);
#endif
-#ifdef IRCPLUS
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "+", sizeof NGIRCd_VersionAddition );
- strlcat( NGIRCd_VersionAddition, "IRCPLUS", sizeof NGIRCd_VersionAddition );
+#ifdef SYSLOG
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "SYSLOG",
+ sizeof NGIRCd_VersionAddition);
#endif
-#ifdef WANT_IPV6
+#ifdef TCPWRAP
if (NGIRCd_VersionAddition[0])
- strlcat(NGIRCd_VersionAddition, "+", sizeof(NGIRCd_VersionAddition));
- strlcat(NGIRCd_VersionAddition, "IPv6", sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "TCPWRAP",
+ sizeof NGIRCd_VersionAddition);
#endif
- if( NGIRCd_VersionAddition[0] )
- strlcat( NGIRCd_VersionAddition, "-", sizeof( NGIRCd_VersionAddition ));
-
- strlcat( NGIRCd_VersionAddition, TARGET_CPU, sizeof( NGIRCd_VersionAddition ));
- strlcat( NGIRCd_VersionAddition, "/", sizeof( NGIRCd_VersionAddition ));
- strlcat( NGIRCd_VersionAddition, TARGET_VENDOR, sizeof( NGIRCd_VersionAddition ));
- strlcat( NGIRCd_VersionAddition, "/", sizeof( NGIRCd_VersionAddition ));
- strlcat( NGIRCd_VersionAddition, TARGET_OS, sizeof( NGIRCd_VersionAddition ));
+#ifdef ZLIB
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "+",
+ sizeof NGIRCd_VersionAddition);
+ strlcat(NGIRCd_VersionAddition, "ZLIB",
+ sizeof NGIRCd_VersionAddition);
+#endif
+ if (NGIRCd_VersionAddition[0])
+ strlcat(NGIRCd_VersionAddition, "-",
+ sizeof(NGIRCd_VersionAddition));
+
+ strlcat(NGIRCd_VersionAddition, HOST_CPU,
+ sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, "/", sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, HOST_VENDOR,
+ sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, "/", sizeof(NGIRCd_VersionAddition));
+ strlcat(NGIRCd_VersionAddition, HOST_OS,
+ sizeof(NGIRCd_VersionAddition));
snprintf(NGIRCd_Version, sizeof NGIRCd_Version, "%s %s-%s",
PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_VersionAddition);
Show_Version( void )
{
puts( NGIRCd_Version );
- puts( "Copyright (c)2001-2012 Alexander Barton (<alex@barton.de>) and Contributors." );
+ puts( "Copyright (c)2001-2023 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." );
static void
Show_Help( void )
{
-#ifdef DEBUG
puts( " -d, --debug log extra debug messages" );
-#endif
puts( " -f, --config <f> use file <f> as configuration file" );
puts( " -n, --nodaemon don't fork and don't detach from controlling terminal" );
puts( " -p, --passive disable automatic connections to other servers" );
/* Pidfile configured? */
if( ! Conf_PidFile[0] ) return;
-#ifdef DEBUG
- Log( LOG_DEBUG, "Removing PID file (%s) ...", Conf_PidFile );
-#endif
+ LogDebug( "Removing PID file (%s) ...", Conf_PidFile );
if( unlink( Conf_PidFile ))
Log( LOG_ERR, "Error unlinking PID file (%s): %s", Conf_PidFile, strerror( errno ));
/* Pidfile configured? */
if( ! Conf_PidFile[0] ) return;
-#ifdef DEBUG
- Log( LOG_DEBUG, "Creating PID file (%s) ...", Conf_PidFile );
-#endif
+ LogDebug( "Creating PID file (%s) ...", Conf_PidFile );
pidfd = open( Conf_PidFile, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
if ( pidfd < 0 ) {
len = snprintf(pidbuf, sizeof pidbuf, "%ld\n", (long)pid);
if (len < 0 || len >= (int)sizeof pidbuf) {
- Log( LOG_ERR, "Error converting pid");
+ Log(LOG_ERR, "Error converting process ID!");
+ close(pidfd);
return;
}
-
+
if (write(pidfd, pidbuf, (size_t)len) != (ssize_t)len)
- Log( LOG_ERR, "Can't write PID file (%s): %s", Conf_PidFile, strerror( errno ));
+ Log(LOG_ERR, "Can't write PID file (%s): %s!", Conf_PidFile,
+ strerror(errno));
- if( close(pidfd) != 0 )
- Log( LOG_ERR, "Error closing PID file (%s): %s", Conf_PidFile, strerror( errno ));
+ if (close(pidfd) != 0)
+ Log(LOG_ERR, "Error closing PID file (%s): %s!", Conf_PidFile,
+ strerror(errno));
} /* Pidfile_Create */
/**
- * Redirect stdin, stdout and stderr to apropriate file handles.
+ * Redirect stdin, stdout and stderr to appropriate file handles.
*
* @param fd The file handle stdin, stdout and stderr should be redirected to.
*/
} /* Setup_FDStreams */
+#if !defined(SINGLE_USER_OS)
+
/**
* Get user and group ID of unprivileged "nobody" user.
*
return true;
} /* NGIRCd_getNobodyID */
+#endif
+
+#ifdef HAVE_ARC4RANDOM
+static void
+Random_Init(void)
+{
+
+}
+#else
static bool
Random_Init_Kern(const char *file)
{
return;
srand(rand() ^ (unsigned)getpid() ^ (unsigned)time(NULL));
}
+#endif
/**
}
/* SSL initialization */
- if (!ConnSSL_InitLibrary())
- Log(LOG_WARNING,
- "Warning: Error during SSL initialization, continuing ...");
+ if (!ConnSSL_InitLibrary()) {
+ Log(LOG_ERR, "Error during SSL initialization!");
+ goto out;
+ }
/* Change root */
if (Conf_Chroot[0]) {
if (chdir(Conf_Chroot) != 0) {
- Log(LOG_ERR, "Can't chdir() in ChrootDir (%s): %s",
+ Log(LOG_ERR, "Can't chdir() in ChrootDir (%s): %s!",
Conf_Chroot, strerror(errno));
goto out;
}
if (chroot(Conf_Chroot) != 0) {
- if (errno != EPERM) {
- Log(LOG_ERR,
- "Can't change root directory to \"%s\": %s",
- Conf_Chroot, strerror(errno));
- goto out;
- }
+ Log(LOG_ERR,
+ "Can't change root directory to \"%s\": %s!",
+ Conf_Chroot, strerror(errno));
+ goto out;
} else {
chrooted = true;
Log(LOG_INFO,
}
}
+#if !defined(SINGLE_USER_OS)
/* Check user ID */
if (Conf_UID == 0) {
pwd = getpwuid(0);
if (setgid(Conf_GID) != 0) {
real_errno = errno;
grp = getgrgid(Conf_GID);
- Log(LOG_ERR, "Can't change group ID to %s(%u): %s",
+ Log(LOG_ERR, "Can't change group ID to %s(%u): %s!",
grp ? grp->gr_name : "?", Conf_GID,
- strerror(errno));
- if (real_errno != EPERM)
+ strerror(real_errno));
+ if (real_errno != EPERM)
+ goto out;
+ }
+#ifdef HAVE_SETGROUPS
+ if (setgroups(0, NULL) != 0) {
+ real_errno = errno;
+ Log(LOG_ERR, "Can't drop supplementary group IDs: %s!",
+ strerror(errno));
+ if (real_errno != EPERM)
goto out;
}
+#else
+ Log(LOG_WARNING,
+ "Can't drop supplementary group IDs: setgroups(3) missing!");
+#endif
}
+#endif
/* Change user ID */
if (getuid() != Conf_UID) {
if (setuid(Conf_UID) != 0) {
real_errno = errno;
pwd = getpwuid(Conf_UID);
- Log(LOG_ERR, "Can't change user ID to %s(%u): %s",
+ Log(LOG_ERR, "Can't change user ID to %s(%u): %s!",
pwd ? pwd->pw_name : "?", Conf_UID,
- strerror(errno));
+ strerror(real_errno));
if (real_errno != EPERM)
goto out;
}
}
/* New child process */
-#ifndef NeXT
+#ifdef HAVE_SETSID
(void)setsid();
#else
setpgrp(0, getpid());
#endif
if (chdir("/") != 0)
- Log(LOG_ERR, "Can't change directory to '/': %s",
+ Log(LOG_ERR, "Can't change directory to '/': %s!",
strerror(errno));
/* Detach stdin, stdout and stderr */
if (pwd) {
if (chdir(pwd->pw_dir) == 0)
- Log(LOG_DEBUG,
+ LogDebug(
"Changed working directory to \"%s\" ...",
pwd->pw_dir);
else
- Log(LOG_INFO,
- "Notice: Can't change working directory to \"%s\": %s",
+ Log(LOG_ERR,
+ "Can't change working directory to \"%s\": %s!",
pwd->pw_dir, strerror(errno));
} else
Log(LOG_ERR, "Can't get user informaton for UID %d!?", Conf_UID);