mirror of
https://git.openldap.org/openldap/openldap.git
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510 lines
11 KiB
C
510 lines
11 KiB
C
/*
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* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/signal.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include <ac/unistd.h>
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#include <ac/wait.h>
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#include <ac/signal.h>
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#include <ac/errno.h>
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#include "ldap_defaults.h"
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#include "slap.h"
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#include "lutil.h"
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#ifdef LDAP_SIGCHLD
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static RETSIGTYPE wait4child( int sig );
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#endif
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#ifdef HAVE_WINSOCK
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#define MAIN_RETURN(x) return
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struct sockaddr_in bind_addr;
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/* in nt_main.c */
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extern SERVICE_STATUS SLAPDServiceStatus;
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extern SERVICE_STATUS_HANDLE hSLAPDServiceStatus;
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extern ldap_pvt_thread_cond_t started_event, stopped_event;
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extern int is_NT_Service;
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void LogSlapdStartedEvent( char *svc, int slap_debug, char *configfile, char *urls );
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void LogSlapdStoppedEvent( char *svc );
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void CommenceStartupProcessing( LPCTSTR serviceName,
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void(*stopper)(int));
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void ReportSlapdShutdownComplete( void );
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void *getRegParam( char *svc, char *value );
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#define SERVICE_EXIT( e, n ) \
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if ( is_NT_Service ) \
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{ \
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SLAPDServiceStatus.dwWin32ExitCode = e; \
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SLAPDServiceStatus.dwServiceSpecificExitCode = n; \
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}
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#else
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#define SERVICE_EXIT( e, n )
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#define MAIN_RETURN(x) return(x)
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#endif
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/*
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* when more than one slapd is running on one machine, each one might have
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* it's own LOCAL for syslogging and must have its own pid/args files
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*/
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#ifndef HAVE_MKVERSION
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const char Versionstr[] =
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OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
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#endif
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#ifdef LOG_LOCAL4
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#define DEFAULT_SYSLOG_USER LOG_LOCAL4
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typedef struct _str2intDispatch {
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char *stringVal;
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int abbr;
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int intVal;
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} STRDISP, *STRDISP_P;
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/* table to compute syslog-options to integer */
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static STRDISP syslog_types[] = {
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{ "LOCAL0", 6, LOG_LOCAL0 },
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{ "LOCAL1", 6, LOG_LOCAL1 },
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{ "LOCAL2", 6, LOG_LOCAL2 },
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{ "LOCAL3", 6, LOG_LOCAL3 },
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{ "LOCAL4", 6, LOG_LOCAL4 },
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{ "LOCAL5", 6, LOG_LOCAL5 },
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{ "LOCAL6", 6, LOG_LOCAL6 },
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{ "LOCAL7", 6, LOG_LOCAL7 },
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{ NULL }
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};
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static int cnvt_str2int( char *, STRDISP_P, int );
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#endif /* LOG_LOCAL4 */
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static void
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usage( char *name )
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{
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fprintf( stderr,
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"usage: %s options\n", name );
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fprintf( stderr,
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#if LDAP_CONNECTIONLESS
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"\t-c\t\tEnable (experimental) Connectionless LDAP\n"
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#endif
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"\t-d level\tDebug Level" "\n"
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"\t-f filename\tConfiguration File\n"
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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"\t-g group\tGroup (id or name) to ran as\n"
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#endif
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"\t-h URLs\tList of URLs to serve\n"
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#ifdef LOG_LOCAL4
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"\t-l sysloguser\tSyslog User (default: LOCAL4)\n"
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#endif
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#ifdef HAVE_WINSOCK
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"\t-n NTserviceName\tNT service name\n"
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#endif
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"\t-p port\tLDAP Port\n"
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#ifdef HAVE_TLS
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"\t-P port\tLDAP over TLS Port\n"
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#endif
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"\t-s level\tSyslog Level\n"
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#ifdef SLAPD_BDB2
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"\t-t\t\tEnable BDB2 timing\n"
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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"\t-u user\tUser (id or name) to ran as\n"
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#endif
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);
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}
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#ifdef HAVE_WINSOCK
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void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
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#else
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int main( int argc, char **argv )
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#endif
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{
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int i;
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int rc;
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char *urls = NULL;
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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char *username = NULL;
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char *groupname = NULL;
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#endif
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#ifdef LOG_LOCAL4
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int syslogUser = DEFAULT_SYSLOG_USER;
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#endif
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#ifdef HAVE_WINSOCK
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char *NTservice = SERVICE_NAME;
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char *configfile = ".\\slapd.conf";
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#else
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char *configfile = SLAPD_DEFAULT_CONFIGFILE;
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#endif
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char *serverName;
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int serverMode = SLAP_SERVER_MODE;
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int port = LDAP_PORT;
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#ifdef HAVE_TLS
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int tls_port = LDAPS_PORT;
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#else
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int tls_port = 0;
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#endif
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g_argc = argc;
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g_argv = argv;
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#ifdef HAVE_WINSOCK
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{
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int *i;
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char *newConfigFile;
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if ( is_NT_Service ) CommenceStartupProcessing( NTservice, slap_set_shutdown );
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i = (int*)getRegParam( NULL, "Port" );
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if ( i != NULL )
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{
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port = *i;
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Debug ( LDAP_DEBUG_ANY, "new port from registry is: %d\n", port, 0, 0 );
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}
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#ifdef HAVE_TLS
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i = (int*)getRegParam( NULL, "TLSPort" );
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if ( i != NULL )
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{
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tls_port = *i;
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Debug ( LDAP_DEBUG_ANY, "new TLS port from registry is: %d\n", tls_port, 0, 0 );
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}
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#endif
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i = (int*)getRegParam( NULL, "DebugLevel" );
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if ( i != NULL )
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{
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slap_debug = *i;
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Debug( LDAP_DEBUG_ANY, "new debug level from registry is: %d\n", slap_debug, 0, 0 );
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}
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newConfigFile = (char*)getRegParam( NULL, "ConfigFile" );
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if ( newConfigFile != NULL )
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{
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configfile = newConfigFile;
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Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
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}
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}
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#endif
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while ( (i = getopt( argc, argv,
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"d:f:h:p:s:"
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#ifdef LOG_LOCAL4
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"l:"
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#endif
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#ifdef SLAPD_BDB2
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"t"
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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"u:g:"
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#endif
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#ifdef LDAP_CONNECTIONLESS
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"c"
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#endif
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#ifdef HAVE_WINSOCK
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"n:"
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#endif
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#ifdef HAVE_TLS
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"P:"
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#endif
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)) != EOF ) {
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switch ( i ) {
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case 'h': /* listen URLs */
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urls = ch_strdup( optarg );
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break;
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#ifdef LDAP_DEBUG
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case 'd': /* turn on debugging */
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slap_debug |= atoi( optarg );
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break;
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#else
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case 'd': /* turn on debugging */
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fprintf( stderr,
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"must compile with LDAP_DEBUG for debugging\n" );
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break;
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#endif
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case 'f': /* read config file */
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configfile = ch_strdup( optarg );
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break;
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case 'p': { /* port on which to listen */
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int p = atoi( optarg );
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if(! p ) {
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fprintf(stderr, "-p %s must be numeric\n", optarg);
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} else if( p < 0 || p >= 1<<16) {
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fprintf(stderr, "-p %s invalid\n", optarg);
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} else {
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port = p;
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}
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} break;
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#ifdef HAVE_TLS
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case 'P': { /* port on which to listen for TLS */
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int p = atoi( optarg );
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if(! p ) {
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fprintf(stderr, "-P %s must be numeric\n", optarg);
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} else if( p < 0 || p >= 1<<16) {
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fprintf(stderr, "-P %s invalid\n", optarg);
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} else {
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tls_port = p;
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}
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} break;
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#endif
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case 's': /* set syslog level */
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ldap_syslog = atoi( optarg );
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break;
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#ifdef LOG_LOCAL4
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case 'l': /* set syslog local user */
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syslogUser = cnvt_str2int( optarg,
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syslog_types, DEFAULT_SYSLOG_USER );
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break;
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#endif
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#ifdef LDAP_CONNECTIONLESS
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case 'c': /* do connectionless (udp) */
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/* udp = 1; */
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fprintf( stderr, "connectionless support not supported");
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exit( EXIT_FAILURE );
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break;
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#endif
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#ifdef SLAPD_BDB2
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case 't': /* timed server */
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serverMode = SLAP_TIMEDSERVER_MODE;
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break;
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#endif
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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case 'u': /* user name */
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if( username ) free(username);
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username = ch_strdup( optarg );
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break;
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case 'g': /* group name */
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if( groupname ) free(groupname);
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groupname = ch_strdup( optarg );
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break;
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#endif /* SETUID && GETUID */
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#ifdef HAVE_WINSOCK
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case 'n': /* NT service name */
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NTservice = ch_strdup( optarg );
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break;
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#endif
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default:
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usage( argv[0] );
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
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goto stop;
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}
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}
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ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
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ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
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ldif_debug = slap_debug;
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Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
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if ( (serverName = strrchr( argv[0], *LDAP_DIRSEP )) == NULL ) {
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serverName = ch_strdup( argv[0] );
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} else {
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serverName = ch_strdup( serverName + 1 );
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}
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#ifdef LOG_LOCAL4
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openlog( serverName, OPENLOG_OPTIONS, syslogUser );
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#else
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openlog( serverName, OPENLOG_OPTIONS );
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#endif
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if( slapd_daemon_init( urls, port, tls_port ) != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
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goto stop;
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}
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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if ( username != NULL || groupname != NULL ) {
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slap_init_user( username, groupname );
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}
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#endif
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if ( slap_init( serverMode, serverName ) != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
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goto destroy;
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}
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if ( read_config( configfile ) != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
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goto destroy;
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}
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#ifdef HAVE_TLS
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ldap_pvt_tls_init();
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ldap_pvt_tls_init_def_ctx();
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#endif
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(void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
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(void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
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#ifdef SIGPIPE
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(void) SIGNAL( SIGPIPE, SIG_IGN );
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#endif
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#ifdef SIGHUP
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(void) SIGNAL( SIGHUP, slap_set_shutdown );
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#endif
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(void) SIGNAL( SIGINT, slap_set_shutdown );
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(void) SIGNAL( SIGTERM, slap_set_shutdown );
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#ifdef LDAP_SIGCHLD
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(void) SIGNAL( LDAP_SIGCHLD, wait4child );
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#endif
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#ifdef SIGBREAK
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/* SIGBREAK is generated when Ctrl-Break is pressed. */
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(void) SIGNAL( SIGBREAK, slap_set_shutdown );
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#endif
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#ifndef HAVE_WINSOCK
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#ifdef LDAP_DEBUG
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lutil_detach( ldap_debug, 0 );
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#else
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lutil_detach( 0, 0 );
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#endif
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#endif /* HAVE_WINSOCK */
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if ( slap_startup(-1) != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
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goto shutdown;
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}
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{
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FILE *fp;
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Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
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if (( slapd_pid_file != NULL ) &&
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(( fp = fopen( slapd_pid_file, "w" )) != NULL ))
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{
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fprintf( fp, "%d\n", (int) getpid() );
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fclose( fp );
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}
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if (( slapd_args_file != NULL ) &&
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(( fp = fopen( slapd_args_file, "w" )) != NULL ))
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{
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for ( i = 0; i < g_argc; i++ ) {
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fprintf( fp, "%s ", g_argv[i] );
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}
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fprintf( fp, "\n" );
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fclose( fp );
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}
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}
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#ifdef HAVE_WINSOCK
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LogSlapdStartedEvent( NTservice, slap_debug, configfile, urls );
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#endif
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rc = slapd_daemon();
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#ifdef HAVE_WINSOCK
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/* Throw away the event that we used during the startup process. */
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if ( is_NT_Service )
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ldap_pvt_thread_cond_destroy( &started_event );
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#endif
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shutdown:
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/* remember an error during shutdown */
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rc |= slap_shutdown(-1);
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destroy:
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/* remember an error during destroy */
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rc |= slap_destroy();
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stop:
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#ifdef HAVE_WINSOCK
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LogSlapdStoppedEvent( NTservice );
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#endif
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Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
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#ifdef HAVE_WINSOCK
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ReportSlapdShutdownComplete();
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#endif
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closelog();
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slapd_daemon_destroy();
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MAIN_RETURN(rc);
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}
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#ifdef LDAP_SIGCHLD
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/*
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* Catch and discard terminated child processes, to avoid zombies.
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*/
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static RETSIGTYPE
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wait4child( int sig )
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{
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int save_errno = errno;
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#ifdef WNOHANG
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errno = 0;
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#ifdef HAVE_WAITPID
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while ( waitpid( (pid_t)-1, NULL, WNOHANG ) >= 0 || errno == EINTR )
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; /* NULL */
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#else
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while ( wait3( NULL, WNOHANG, NULL ) >= 0 || errno == EINTR )
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; /* NULL */
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#endif
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#else
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(void) wait( NULL );
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#endif
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(void) SIGNAL( sig, wait4child );
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errno = save_errno;
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}
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#endif /* SIGCHLD || SIGCLD */
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#ifdef LOG_LOCAL4
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/*
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* Convert a string to an integer by means of a dispatcher table
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* if the string is not in the table return the default
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*/
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static int
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cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
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{
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int retVal = defaultVal;
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STRDISP_P disp;
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for (disp = dispatcher; disp->stringVal; disp++) {
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if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
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retVal = disp->intVal;
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break;
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}
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}
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return (retVal);
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}
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#endif /* LOG_LOCAL4 */
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