mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-27 03:20:22 +08:00
653 lines
14 KiB
C
653 lines
14 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2002 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/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/errno.h>
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#include "ldap_pvt.h"
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#include "slap.h"
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#include "lutil.h"
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#include "ldif.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_NT_SERVICE_MANAGER
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#define MAIN_RETURN(x) return
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static struct sockaddr_in bind_addr;
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void CommenceStartupProcessing( LPCTSTR serverName,
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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 ) do { \
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if ( is_NT_Service ) { \
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SLAPDServiceStatus.dwWin32ExitCode = (e); \
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SLAPDServiceStatus.dwServiceSpecificExitCode = (n); \
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} \
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} while ( 0 )
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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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#ifdef HAVE_NT_EVENT_LOG
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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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#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", sizeof("LOCAL0"), LOG_LOCAL0 },
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{ "LOCAL1", sizeof("LOCAL1"), LOG_LOCAL1 },
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{ "LOCAL2", sizeof("LOCAL2"), LOG_LOCAL2 },
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{ "LOCAL3", sizeof("LOCAL3"), LOG_LOCAL3 },
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{ "LOCAL4", sizeof("LOCAL4"), LOG_LOCAL4 },
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{ "LOCAL5", sizeof("LOCAL5"), LOG_LOCAL5 },
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{ "LOCAL6", sizeof("LOCAL6"), LOG_LOCAL6 },
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{ "LOCAL7", sizeof("LOCAL7"), 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 int check_config = 0;
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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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"\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 run as\n"
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#endif
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"\t-h URLs\t\tList of URLs to serve\n"
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#ifdef LOG_LOCAL4
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"\t-l facility\tSyslog facility (default: LOCAL4)\n"
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#endif
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"\t-n serverName\tService name\n"
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#ifdef HAVE_CHROOT
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"\t-r directory\tSandbox directory to chroot to\n"
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#endif
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"\t-s level\tSyslog level\n"
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"\t-t\t\tCheck configuration file and exit\n"
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#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
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"\t-u user\t\tUser (id or name) to run as\n"
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#endif
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);
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}
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#ifdef HAVE_NT_SERVICE_MANAGER
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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, no_detach = 0;
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int rc = 1;
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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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#if defined(HAVE_CHROOT)
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char *sandbox = 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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int g_argc = argc;
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char **g_argv = argv;
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#ifdef HAVE_NT_SERVICE_MANAGER
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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 = NULL;
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int serverMode = SLAP_SERVER_MODE;
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#ifdef CSRIMALLOC
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FILE *leakfile;
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if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
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leakfile = stderr;
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}
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#endif
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#ifdef HAVE_NT_SERVICE_MANAGER
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{
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int *i;
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char *newConfigFile;
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char *newUrls;
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char *regService = NULL;
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if ( is_NT_Service ) {
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serverName = argv[0];
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CommenceStartupProcessing( serverName, slap_sig_shutdown );
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if ( strcmp(serverName, SERVICE_NAME) )
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regService = serverName;
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}
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i = (int*)getRegParam( regService, "DebugLevel" );
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if ( i != NULL )
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{
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slap_debug = *i;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"main: new debug level from registry is: %d\n", slap_debug ));
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#else
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Debug( LDAP_DEBUG_ANY, "new debug level from registry is: %d\n", slap_debug, 0, 0 );
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#endif
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}
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newUrls = (char *) getRegParam(regService, "Urls");
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if (newUrls)
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{
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if (urls)
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ch_free(urls);
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urls = ch_strdup(newUrls);
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"main: new urls from registry: %s\n", urls ));
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#else
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Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
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urls, 0, 0);
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#endif
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}
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newConfigFile = (char*)getRegParam( regService, "ConfigFile" );
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if ( newConfigFile != NULL )
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{
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configfile = newConfigFile;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"main: new config file from registry is: %s\n", configfile ));
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#else
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Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
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#endif
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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:s:n:t"
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#ifdef HAVE_CHROOT
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"r:"
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#endif
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#ifdef LOG_LOCAL4
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"l:"
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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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)) != EOF ) {
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switch ( i ) {
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case 'h': /* listen URLs */
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if ( urls != NULL ) free( urls );
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urls = ch_strdup( optarg );
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break;
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case 'd': /* set debug level and 'do not detach' flag */
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no_detach = 1;
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#ifdef LDAP_DEBUG
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slap_debug |= atoi( optarg );
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#else
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if ( atoi( optarg ) != 0 )
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fputs( "must compile with LDAP_DEBUG for debugging\n",
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stderr );
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#endif
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break;
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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 '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 HAVE_CHROOT
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case 'r':
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if( sandbox ) free(sandbox);
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sandbox = ch_strdup( optarg );
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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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case 'n': /* NT service name */
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if( serverName != NULL ) free( serverName );
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serverName = ch_strdup( optarg );
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break;
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case 't':
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check_config++;
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break;
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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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#ifdef NEW_LOGGING
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lutil_log_initialize( argc, argv );
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#endif
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lutil_set_debug_level( "slapd", slap_debug );
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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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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"%s", Versionstr ));
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#else
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Debug( LDAP_DEBUG_TRACE, "%s", Versionstr, 0, 0 );
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#endif
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if( serverName == NULL ) {
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if ( (serverName = strrchr( argv[0], *LDAP_DIRSEP )) == NULL ) {
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serverName = argv[0];
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} else {
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serverName = serverName + 1;
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}
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}
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#ifdef LOG_LOCAL4
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openlog( serverName, OPENLOG_OPTIONS, syslogUser );
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#elif LOG_DEBUG
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openlog( serverName, OPENLOG_OPTIONS );
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#endif
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if( !check_config && slapd_daemon_init( urls ) != 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_CHROOT)
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if ( sandbox ) {
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if ( chdir( sandbox ) ) {
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perror("chdir");
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rc = 1;
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goto stop;
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}
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if ( chroot( sandbox ) ) {
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perror("chroot");
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rc = 1;
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goto stop;
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}
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}
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#endif
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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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extops_init();
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#ifdef SLAPD_MODULES
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if ( module_init() != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 17 );
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goto destroy;
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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 ( slap_schema_init( ) != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
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"main: schema initialization error\n" ));
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#else
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Debug( LDAP_DEBUG_ANY,
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"schema initialization error\n",
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0, 0, 0 );
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#endif
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goto destroy;
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}
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#ifdef HAVE_TLS
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/* Library defaults to full certificate checking. This is correct when
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* a client is verifying a server because all servers should have a
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* valid cert. But few clients have valid certs, so we want our default
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* to be no checking. The config file can override this as usual.
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*/
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rc = 0;
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(void) ldap_pvt_tls_set_option( NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
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#endif
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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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if ( check_config ) {
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fprintf( stderr, "config check failed\n" );
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}
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goto destroy;
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}
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if ( check_config ) {
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rc = 0;
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fprintf( stderr, "config check succeeded\n" );
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goto destroy;
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}
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if ( glue_sub_init( ) != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
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"main: subordinate config error\n"));
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#else
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Debug( LDAP_DEBUG_ANY,
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"subordinate config error\n",
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0, 0, 0 );
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#endif
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goto destroy;
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}
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if ( slap_schema_check( ) != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
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"main: schema prep error\n"));
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#else
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Debug( LDAP_DEBUG_ANY,
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"schema prep error\n",
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0, 0, 0 );
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#endif
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goto destroy;
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}
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#ifdef HAVE_TLS
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rc = ldap_pvt_tls_init();
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if( rc != 0) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
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"main: tls init failed: %d\n", rc ));
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#else
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Debug( LDAP_DEBUG_ANY,
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"main: TLS init failed: %d\n",
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0, 0, 0 );
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#endif
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
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goto destroy;
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}
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rc = ldap_pvt_tls_init_def_ctx();
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if( rc != 0) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
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"main: tls init def ctx failed: %d\n", rc ));
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#else
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Debug( LDAP_DEBUG_ANY,
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"main: TLS init def ctx failed: %d\n",
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0, 0, 0 );
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#endif
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
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goto destroy;
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}
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#endif
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(void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
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(void) SIGNAL( LDAP_SIGUSR2, slap_sig_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_sig_shutdown );
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#endif
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(void) SIGNAL( SIGINT, slap_sig_shutdown );
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(void) SIGNAL( SIGTERM, slap_sig_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_sig_shutdown );
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#endif
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#ifndef HAVE_WINSOCK
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lutil_detach( no_detach, 0 );
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#endif /* HAVE_WINSOCK */
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#ifdef CSRIMALLOC
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mal_leaktrace(1);
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#endif
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if ( slap_startup( NULL ) != 0 ) {
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rc = 1;
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SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
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goto shutdown;
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}
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{
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FILE *fp;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
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"main: slapd starting.\n" ));
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#else
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Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
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#endif
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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_NT_EVENT_LOG
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if (is_NT_Service)
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LogSlapdStartedEvent( serverName, slap_debug, configfile, urls );
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#endif
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rc = slapd_daemon();
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#ifdef HAVE_NT_SERVICE_MANAGER
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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( NULL );
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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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|
|
#ifdef SLAPD_MODULES
|
|
module_kill();
|
|
#endif
|
|
|
|
extops_kill();
|
|
|
|
stop:
|
|
#ifdef HAVE_NT_EVENT_LOG
|
|
if (is_NT_Service)
|
|
LogSlapdStoppedEvent( serverName );
|
|
#endif
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
|
|
"main: slapd stopped.\n" ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
|
|
#endif
|
|
|
|
|
|
#ifdef HAVE_NT_SERVICE_MANAGER
|
|
ReportSlapdShutdownComplete();
|
|
#endif
|
|
|
|
#ifdef LOG_DEBUG
|
|
closelog();
|
|
#endif
|
|
slapd_daemon_destroy();
|
|
|
|
schema_destroy();
|
|
|
|
#ifdef HAVE_TLS
|
|
ldap_pvt_tls_destroy();
|
|
#endif
|
|
|
|
config_destroy();
|
|
|
|
#ifdef CSRIMALLOC
|
|
mal_dumpleaktrace( leakfile );
|
|
#endif
|
|
|
|
MAIN_RETURN(rc);
|
|
}
|
|
|
|
|
|
#ifdef LDAP_SIGCHLD
|
|
|
|
/*
|
|
* Catch and discard terminated child processes, to avoid zombies.
|
|
*/
|
|
|
|
static RETSIGTYPE
|
|
wait4child( int sig )
|
|
{
|
|
int save_errno = errno;
|
|
|
|
#ifdef WNOHANG
|
|
errno = 0;
|
|
#ifdef HAVE_WAITPID
|
|
while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR )
|
|
; /* NULL */
|
|
#else
|
|
while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR )
|
|
; /* NULL */
|
|
#endif
|
|
#else
|
|
(void) wait( NULL );
|
|
#endif
|
|
(void) SIGNAL_REINSTALL( sig, wait4child );
|
|
errno = save_errno;
|
|
}
|
|
|
|
#endif /* SIGCHLD || SIGCLD */
|
|
|
|
|
|
#ifdef LOG_LOCAL4
|
|
|
|
/*
|
|
* Convert a string to an integer by means of a dispatcher table
|
|
* if the string is not in the table return the default
|
|
*/
|
|
|
|
static int
|
|
cnvt_str2int( char *stringVal, STRDISP_P dispatcher, int defaultVal )
|
|
{
|
|
int retVal = defaultVal;
|
|
STRDISP_P disp;
|
|
|
|
for (disp = dispatcher; disp->stringVal; disp++) {
|
|
|
|
if (!strncasecmp (stringVal, disp->stringVal, disp->abbr)) {
|
|
|
|
retVal = disp->intVal;
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
return (retVal);
|
|
}
|
|
|
|
#endif /* LOG_LOCAL4 */
|