#include "portab.h"
-static char UNUSED id[] = "$Id: ngircd.c,v 1.104 2005/07/08 16:18:39 alex Exp $";
+static char UNUSED id[] = "$Id: ngircd.c,v 1.111 2005/11/21 16:31:30 alex Exp $";
/**
* @file
#include "ngircd.h"
-LOCAL void Initialize_Signal_Handler PARAMS(( void ));
-LOCAL void Signal_Handler PARAMS(( int Signal ));
+static void Initialize_Signal_Handler PARAMS(( void ));
+static void Signal_Handler PARAMS(( int Signal ));
-LOCAL void Show_Version PARAMS(( void ));
-LOCAL void Show_Help PARAMS(( void ));
+static void Show_Version PARAMS(( void ));
+static void Show_Help PARAMS(( void ));
-LOCAL void Pidfile_Create PARAMS(( long ));
-LOCAL void Pidfile_Delete PARAMS(( void ));
+static void Pidfile_Create PARAMS(( long ));
+static void Pidfile_Delete PARAMS(( void ));
-LOCAL void Fill_Version PARAMS(( void ));
+static void Fill_Version PARAMS(( void ));
-LOCAL void Setup_FDStreams PARAMS(( void ));
+static void Setup_FDStreams PARAMS(( void ));
-LOCAL bool NGIRCd_Init PARAMS(( bool ));
+static bool NGIRCd_Init PARAMS(( bool ));
/**
* The main() function of ngIRCd.
Log_Init( ! NGIRCd_NoDaemon );
Conf_Init( );
- if (!NGIRCd_Init( NGIRCd_NoDaemon )) {
- Log(LOG_WARNING, "Fatal: Initialization failed");
+ /* Initialize the "main program": chroot environment, user and
+ * group ID, ... */
+ if (!NGIRCd_Init(NGIRCd_NoDaemon)) {
+ Log(LOG_ALERT, "Fatal: Initialization failed");
exit(1);
}
* further usage, for example by the IRC command VERSION and the --version
* command line switch.
*/
-LOCAL void
+static void
Fill_Version( void )
{
NGIRCd_VersionAddition[0] = '\0';
/* Recover old server name: it can't be changed during run-time */
if( strcmp( old_name, Conf_ServerName ) != 0 )
{
- strcpy( Conf_ServerName, old_name );
+ strlcpy( Conf_ServerName, old_name, sizeof Conf_ServerName );
Log( LOG_ERR, "Can't change \"ServerName\" on runtime! Ignored new name." );
}
/**
* Initialize the signal handler.
*/
-LOCAL void
+static void
Initialize_Signal_Handler( void )
{
/* Signal-Handler initialisieren: einige Signale
#endif
/* Signal-Handler einhaengen */
- sigaction( SIGINT, &saction, NULL );
- sigaction( SIGQUIT, &saction, NULL );
- sigaction( SIGTERM, &saction, NULL);
- sigaction( SIGHUP, &saction, NULL);
- sigaction( SIGCHLD, &saction, NULL);
+ sigaction(SIGINT, &saction, NULL);
+ sigaction(SIGQUIT, &saction, NULL);
+ sigaction(SIGTERM, &saction, NULL);
+ sigaction(SIGHUP, &saction, NULL);
+ sigaction(SIGCHLD, &saction, NULL);
/* einige Signale ignorieren */
saction.sa_handler = SIG_IGN;
- sigaction( SIGPIPE, &saction, NULL );
+ 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 );
+ 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 );
+ signal(SIGPIPE, SIG_IGN);
#endif
} /* Initialize_Signal_Handler */
* user and/or the system to it. For example SIGTERM and SIGHUP.
* @param Signal Number of the signal to handle.
*/
-LOCAL void
+static void
Signal_Handler( int Signal )
{
switch( Signal )
/**
* Display copyright and version information of ngIRCd on the console.
*/
-LOCAL void
+static void
Show_Version( void )
{
puts( NGIRCd_Version );
- puts( "Copyright (c)2001-2005 by Alexander Barton (<alex@barton.de>)." );
- puts( "Homepage: <http://arthur.ath.cx/~alex/ngircd/>\n" );
+ puts( "Copyright (c)2001-2005 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." );
} /* Show_Version */
* This help depends on the configuration of the executable and only shows
* options that are actually enabled.
*/
-LOCAL void
+static void
Show_Help( void )
{
#ifdef DEBUG
/**
* Delete the file containing the process ID (PID).
*/
-LOCAL void
+static void
Pidfile_Delete( void )
{
/* Pidfile configured? */
* Create the file containing the process ID of ngIRCd ("PID file").
* @param pid The process ID to be stored in this file.
*/
-LOCAL void
+static void
Pidfile_Create( long pid )
{
int pidfd;
/**
* Redirect stdin, stdout and stderr to apropriate file handles.
*/
-LOCAL void
+static void
Setup_FDStreams( void )
{
int fd;
} /* Setup_FDStreams */
-LOCAL bool
+static bool
NGIRCd_getNobodyID(unsigned int *uid, unsigned int *gid )
{
struct passwd *pwd;
}
-LOCAL bool
+static bool
NGIRCd_Init( bool NGIRCd_NoDaemon )
{
static bool initialized;
}
}
- if ( Conf_UID == 0 ) {
- Log( LOG_INFO, "Conf_UID must not be 0, switching to user nobody", Conf_UID );
+ if (Conf_UID == 0) {
+ Log(LOG_INFO, "ServerUID must not be 0, using \"nobody\" instead.", Conf_UID);
- if (!NGIRCd_getNobodyID(&Conf_UID, &Conf_GID )) {
- Log( LOG_WARNING, "Could not get uid/gid of user nobody: %s",
+ if (! NGIRCd_getNobodyID(&Conf_UID, &Conf_GID)) {
+ Log(LOG_WARNING, "Could not get user/group ID of user \"nobody\": %s",
errno ? strerror(errno) : "not found" );
return false;
}
}
- if( setgid( Conf_GID ) != 0 ) {
- real_errno = errno;
- Log( LOG_ERR, "Can't change group ID to %u: %s", Conf_GID, strerror( errno ));
- if (real_errno != EPERM)
- return false;
+ if (getgid() != Conf_GID) {
+ /* Change group ID */
+ if (setgid(Conf_GID) != 0) {
+ real_errno = errno;
+ Log( LOG_ERR, "Can't change group ID to %u: %s", Conf_GID, strerror( errno ));
+ if (real_errno != EPERM)
+ return false;
+ }
}
- if( setuid( Conf_UID ) != 0 ) {
- real_errno = errno;
- Log( LOG_ERR, "Can't change user ID to %u: %s", Conf_UID, strerror( errno ));
- if (real_errno != EPERM)
- return false;
+ if (getuid() != Conf_UID) {
+ /* Change user ID */
+ if (setuid(Conf_UID) != 0) {
+ real_errno = errno;
+ Log(LOG_ERR, "Can't change user ID to %u: %s", Conf_UID, strerror(errno));
+ if (real_errno != EPERM)
+ return false;
+ }
}
initialized = true;
Pidfile_Create( pid );
- /* check uid we are running as, can be different from values configured (e.g. if we were already
- started with a uid > 0 */
+ /* Check UID/GID we are running as, can be different from values
+ * configured (e. g. if we were already started with a UID>0. */
Conf_UID = getuid();
Conf_GID = getgid();
- assert( Conf_GID > 0);
- assert( Conf_UID > 0);
-
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);
projects / ngircd-alex.git / blobdiff