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openldap/servers/slapd/main.c
Howard Chu 12b09c58e2 Another EBCDIC syslog fix
2004-02-04 23:00:05 +00:00

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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2004 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include <ac/wait.h>
#include <ac/errno.h>
#include "ldap_pvt.h"
#include "slap.h"
#include "lutil.h"
#include "ldif.h"
#ifdef LDAP_SLAPI
#include "slapi/slapi.h"
#endif
#ifdef LDAP_SIGCHLD
static RETSIGTYPE wait4child( int sig );
#endif
#ifdef HAVE_NT_SERVICE_MANAGER
#define MAIN_RETURN(x) return
static struct sockaddr_in bind_addr;
#define SERVICE_EXIT( e, n ) do { \
if ( is_NT_Service ) { \
lutil_ServiceStatus.dwWin32ExitCode = (e); \
lutil_ServiceStatus.dwServiceSpecificExitCode = (n); \
} \
} while ( 0 )
#else
#define SERVICE_EXIT( e, n )
#define MAIN_RETURN(x) return(x)
#endif
/*
* when more than one slapd is running on one machine, each one might have
* it's own LOCAL for syslogging and must have its own pid/args files
*/
#ifndef HAVE_MKVERSION
const char Versionstr[] =
OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
#endif
#ifdef LOG_LOCAL4
#define DEFAULT_SYSLOG_USER LOG_LOCAL4
typedef struct _str2intDispatch {
char *stringVal;
int abbr;
int intVal;
} STRDISP, *STRDISP_P;
/* table to compute syslog-options to integer */
static STRDISP syslog_types[] = {
{ "LOCAL0", sizeof("LOCAL0"), LOG_LOCAL0 },
{ "LOCAL1", sizeof("LOCAL1"), LOG_LOCAL1 },
{ "LOCAL2", sizeof("LOCAL2"), LOG_LOCAL2 },
{ "LOCAL3", sizeof("LOCAL3"), LOG_LOCAL3 },
{ "LOCAL4", sizeof("LOCAL4"), LOG_LOCAL4 },
{ "LOCAL5", sizeof("LOCAL5"), LOG_LOCAL5 },
{ "LOCAL6", sizeof("LOCAL6"), LOG_LOCAL6 },
{ "LOCAL7", sizeof("LOCAL7"), LOG_LOCAL7 },
{ NULL, 0, 0 }
};
static int cnvt_str2int( char *, STRDISP_P, int );
#endif /* LOG_LOCAL4 */
static int check_config = 0;
static int version = 0;
static void
usage( char *name )
{
fprintf( stderr,
"usage: %s options\n", name );
fprintf( stderr,
"\t-4\t\tIPv4 only\n"
"\t-6\t\tIPv6 only\n"
"\t-c cookie\tSync cookie of consumer\n"
"\t-d level\tDebug level" "\n"
"\t-f filename\tConfiguration file\n"
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
"\t-g group\tGroup (id or name) to run as\n"
#endif
"\t-h URLs\t\tList of URLs to serve\n"
#ifdef LOG_LOCAL4
"\t-l facility\tSyslog facility (default: LOCAL4)\n"
#endif
"\t-n serverName\tService name\n"
#ifdef HAVE_CHROOT
"\t-r directory\tSandbox directory to chroot to\n"
#endif
"\t-s level\tSyslog level\n"
"\t-t\t\tCheck configuration file and exit\n"
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
"\t-u user\t\tUser (id or name) to run as\n"
"\t-V\t\tprint version info (-VV only)\n"
#endif
);
}
#ifdef HAVE_NT_SERVICE_MANAGER
void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
#else
int main( int argc, char **argv )
#endif
{
int i, no_detach = 0;
int rc = 1;
char *urls = NULL;
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
char *username = NULL;
char *groupname = NULL;
#endif
#if defined(HAVE_CHROOT)
char *sandbox = NULL;
#endif
#ifdef LOG_LOCAL4
int syslogUser = DEFAULT_SYSLOG_USER;
#endif
int g_argc = argc;
char **g_argv = argv;
#ifdef HAVE_NT_SERVICE_MANAGER
char *configfile = ".\\slapd.conf";
#else
char *configfile = SLAPD_DEFAULT_CONFIGFILE;
#endif
char *serverName = NULL;
int serverMode = SLAP_SERVER_MODE;
struct berval cookie = { 0, NULL };
struct sync_cookie *scp = NULL;
struct sync_cookie *scp_entry = NULL;
#ifdef CSRIMALLOC
FILE *leakfile;
if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
leakfile = stderr;
}
#endif
sl_mem_init();
#ifdef HAVE_NT_SERVICE_MANAGER
{
int *i;
char *newConfigFile;
char *newUrls;
char *regService = NULL;
if ( is_NT_Service ) {
serverName = argv[0];
lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
if ( strcmp(serverName, SERVICE_NAME) )
regService = serverName;
}
i = (int*)lutil_getRegParam( regService, "DebugLevel" );
if ( i != NULL )
{
slap_debug = *i;
#ifdef NEW_LOGGING
lutil_log_initialize( argc, argv );
LDAP_LOG( SLAPD, INFO,
"main: new debug level from registry is: %d\n",
slap_debug, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "new debug level from registry is: %d\n", slap_debug, 0, 0 );
#endif
}
newUrls = (char *) lutil_getRegParam(regService, "Urls");
if (newUrls)
{
if (urls)
ch_free(urls);
urls = ch_strdup(newUrls);
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, INFO,
"main: new urls from registry: %s\n", urls, 0, 0 );
#else
Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
urls, 0, 0);
#endif
}
newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
if ( newConfigFile != NULL )
{
configfile = newConfigFile;
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, INFO,
"main: new config file from registry is: %s\n", configfile, 0, 0 );
#else
Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
#endif
}
}
#endif
while ( (i = getopt( argc, argv,
"c:d:f:h:s:n:t:V"
#if LDAP_PF_INET6
"46"
#endif
#ifdef HAVE_CHROOT
"r:"
#endif
#ifdef LOG_LOCAL4
"l:"
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
"u:g:"
#endif
)) != EOF ) {
switch ( i ) {
#ifdef LDAP_PF_INET6
case '4':
slap_inet4or6 = AF_INET;
break;
case '6':
slap_inet4or6 = AF_INET6;
break;
#endif
case 'h': /* listen URLs */
if ( urls != NULL ) free( urls );
urls = ch_strdup( optarg );
break;
case 'c': /* provide sync cookie, override if exist in replica */
scp = (struct sync_cookie *) ch_calloc( 1,
sizeof( struct sync_cookie ));
ber_str2bv( optarg, strlen( optarg ), 1, &cookie );
ber_bvarray_add( &scp->octet_str, &cookie );
slap_parse_sync_cookie( scp );
LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
if ( scp->rid == scp_entry->rid ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"main: duplicated replica id in cookies\n",
0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"main: duplicated replica id in cookies\n",
0, 0, 0 );
#endif
slap_sync_cookie_free( scp, 1 );
goto destroy;
}
}
LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
break;
case 'd': /* set debug level and 'do not detach' flag */
no_detach = 1;
#ifdef LDAP_DEBUG
slap_debug |= atoi( optarg );
#else
if ( atoi( optarg ) != 0 )
fputs( "must compile with LDAP_DEBUG for debugging\n",
stderr );
#endif
break;
case 'f': /* read config file */
configfile = ch_strdup( optarg );
break;
case 's': /* set syslog level */
ldap_syslog = atoi( optarg );
break;
#ifdef LOG_LOCAL4
case 'l': /* set syslog local user */
syslogUser = cnvt_str2int( optarg,
syslog_types, DEFAULT_SYSLOG_USER );
break;
#endif
#ifdef HAVE_CHROOT
case 'r':
if( sandbox ) free(sandbox);
sandbox = ch_strdup( optarg );
break;
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
case 'u': /* user name */
if( username ) free(username);
username = ch_strdup( optarg );
break;
case 'g': /* group name */
if( groupname ) free(groupname);
groupname = ch_strdup( optarg );
break;
#endif /* SETUID && GETUID */
case 'n': /* NT service name */
if( serverName != NULL ) free( serverName );
serverName = ch_strdup( optarg );
break;
case 't':
check_config++;
break;
case 'V':
version++;
break;
default:
usage( argv[0] );
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
goto stop;
}
}
#ifdef NEW_LOGGING
lutil_log_initialize( argc, argv );
#else
lutil_set_debug_level( "slapd", slap_debug );
ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
ldif_debug = slap_debug;
#endif
if ( version ) {
fprintf( stderr, "%s\n", Versionstr );
if ( version > 1 ) goto stop;
}
if( serverName == NULL ) {
if ( (serverName = strrchr( argv[0], *LDAP_DIRSEP )) == NULL ) {
serverName = argv[0];
} else {
serverName = serverName + 1;
}
}
{
char *logName;
#ifdef HAVE_EBCDIC
logName = ch_strdup( serverName );
__atoe( logName );
#else
logName = serverName;
#endif
#ifdef LOG_LOCAL4
openlog( logName, OPENLOG_OPTIONS, syslogUser );
#elif LOG_DEBUG
openlog( logName, OPENLOG_OPTIONS );
#endif
#ifdef HAVE_EBCDIC
free( logName );
#endif
}
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, INFO, "%s", Versionstr, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
#endif
if( !check_config && slapd_daemon_init( urls ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
goto stop;
}
#if defined(HAVE_CHROOT)
if ( sandbox ) {
if ( chdir( sandbox ) ) {
perror("chdir");
rc = 1;
goto stop;
}
if ( chroot( sandbox ) ) {
perror("chroot");
rc = 1;
goto stop;
}
}
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
if ( username != NULL || groupname != NULL ) {
slap_init_user( username, groupname );
}
#endif
extops_init();
lutil_passwd_init();
slap_op_init();
#ifdef SLAPD_MODULES
if ( module_init() != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 17 );
goto destroy;
}
#endif
if ( slap_schema_init( ) != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT, "main: schema initialization error\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"schema initialization error\n",
0, 0, 0 );
#endif
goto destroy;
}
if ( slap_init( serverMode, serverName ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
goto destroy;
}
if ( slap_controls_init( ) != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT, "main: controls initialization error\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"controls initialization error\n",
0, 0, 0 );
#endif
goto destroy;
}
#ifdef HAVE_TLS
/* Library defaults to full certificate checking. This is correct when
* a client is verifying a server because all servers should have a
* valid cert. But few clients have valid certs, so we want our default
* to be no checking. The config file can override this as usual.
*/
rc = 0;
(void) ldap_pvt_tls_set_option( NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
#endif
#ifdef LDAP_SLAPI
if ( slapi_int_initialize() != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT, "main: slapi initialization error\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"slapi initialization error\n",
0, 0, 0 );
#endif
goto destroy;
}
#endif /* LDAP_SLAPI */
if ( overlay_init() ) {
goto destroy;
}
if ( read_config( configfile, 0 ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
if ( check_config ) {
fprintf( stderr, "config check failed\n" );
}
goto destroy;
}
if ( check_config ) {
rc = 0;
fprintf( stderr, "config check succeeded\n" );
goto destroy;
}
if ( glue_sub_init( ) != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, CRIT, "main: subordinate config error\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"subordinate config error\n",
0, 0, 0 );
#endif
goto destroy;
}
if ( slap_schema_check( ) != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, CRIT, "main: schema prep error\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"schema prep error\n",
0, 0, 0 );
#endif
goto destroy;
}
#ifdef HAVE_TLS
rc = ldap_pvt_tls_init();
if( rc != 0) {
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, CRIT, "main: tls init failed: %d\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"main: TLS init failed: %d\n",
0, 0, 0 );
#endif
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
goto destroy;
}
rc = ldap_pvt_tls_init_def_ctx();
if( rc != 0) {
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, CRIT, "main: tls init def ctx failed: %d\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"main: TLS init def ctx failed: %d\n",
rc, 0, 0 );
#endif
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
goto destroy;
}
#endif
(void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
(void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
#ifdef SIGPIPE
(void) SIGNAL( SIGPIPE, SIG_IGN );
#endif
#ifdef SIGHUP
(void) SIGNAL( SIGHUP, slap_sig_shutdown );
#endif
(void) SIGNAL( SIGINT, slap_sig_shutdown );
(void) SIGNAL( SIGTERM, slap_sig_shutdown );
#ifdef LDAP_SIGCHLD
(void) SIGNAL( LDAP_SIGCHLD, wait4child );
#endif
#ifdef SIGBREAK
/* SIGBREAK is generated when Ctrl-Break is pressed. */
(void) SIGNAL( SIGBREAK, slap_sig_shutdown );
#endif
#ifndef HAVE_WINSOCK
lutil_detach( no_detach, 0 );
#endif /* HAVE_WINSOCK */
#ifdef CSRIMALLOC
mal_leaktrace(1);
#endif
/*
* FIXME: moved here from slapd_daemon_task()
* because back-monitor db_open() needs it
*/
time( &starttime );
if ( slap_startup( NULL ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
goto shutdown;
}
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, INFO, "main: slapd starting.\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
#endif
if ( slapd_pid_file != NULL ) {
FILE *fp = fopen( slapd_pid_file, "w" );
if( fp != NULL ) {
fprintf( fp, "%d\n", (int) getpid() );
fclose( fp );
} else {
free(slapd_pid_file);
slapd_pid_file = NULL;
}
}
if ( slapd_args_file != NULL ) {
FILE *fp = fopen( slapd_args_file, "w" );
if( fp != NULL ) {
for ( i = 0; i < g_argc; i++ ) {
fprintf( fp, "%s ", g_argv[i] );
}
fprintf( fp, "\n" );
fclose( fp );
} else {
free(slapd_args_file);
slapd_args_file = NULL;
}
}
#ifdef HAVE_NT_EVENT_LOG
if (is_NT_Service)
lutil_LogStartedEvent( serverName, slap_debug, configfile, urls );
#endif
rc = slapd_daemon();
#ifdef HAVE_NT_SERVICE_MANAGER
/* Throw away the event that we used during the startup process. */
if ( is_NT_Service )
ldap_pvt_thread_cond_destroy( &started_event );
#endif
shutdown:
/* remember an error during shutdown */
rc |= slap_shutdown( NULL );
destroy:
/* remember an error during destroy */
rc |= slap_destroy();
while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
ch_free( scp );
}
#ifdef SLAPD_MODULES
module_kill();
#endif
slap_op_destroy();
extops_kill();
stop:
#ifdef HAVE_NT_EVENT_LOG
if (is_NT_Service)
lutil_LogStoppedEvent( serverName );
#endif
#ifdef NEW_LOGGING
LDAP_LOG( SLAPD, CRIT, "main: slapd stopped.\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
#endif
#ifdef HAVE_NT_SERVICE_MANAGER
lutil_ReportShutdownComplete();
#endif
#ifdef LOG_DEBUG
closelog();
#endif
slapd_daemon_destroy();
controls_destroy();
schema_destroy();
lutil_passwd_destroy();
#ifdef HAVE_TLS
ldap_pvt_tls_destroy();
#endif
if ( slapd_pid_file != NULL ) {
unlink( slapd_pid_file );
}
if ( slapd_args_file != NULL ) {
unlink( slapd_args_file );
}
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 /* LDAP_SIGCHLD */
#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 */
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