git.sur5r.net Git - openldap/blob - servers/slapd/main.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2006 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  16  * All rights reserved.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * provided that this notice is preserved and that due credit is given
  20  * to the University of Michigan at Ann Arbor. The name of the University
  21  * may not be used to endorse or promote products derived from this
  22  * software without specific prior written permission. This software
  23  * is provided ``as is'' without express or implied warranty.
  24  */
  25
  26 #include "portable.h"
  27
  28 #include <stdio.h>
  29
  30 #include <ac/ctype.h>
  31 #include <ac/socket.h>
  32 #include <ac/string.h>
  33 #include <ac/time.h>
  34 #include <ac/unistd.h>
  35 #include <ac/wait.h>
  36 #include <ac/errno.h>
  37
  38 #include "slap.h"
  39 #include "lutil.h"
  40 #include "ldif.h"
  41
  42 #ifdef LDAP_SLAPI
  43 #include "slapi/slapi.h"
  44 #endif
  45
  46 #ifdef LDAP_SIGCHLD
  47 static RETSIGTYPE wait4child( int sig );
  48 #endif
  49
  50 #ifdef HAVE_NT_SERVICE_MANAGER
  51 #define MAIN_RETURN(x) return
  52 static struct sockaddr_in       bind_addr;
  53
  54 #define SERVICE_EXIT( e, n )    do { \
  55         if ( is_NT_Service ) { \
  56                 lutil_ServiceStatus.dwWin32ExitCode                             = (e); \
  57                 lutil_ServiceStatus.dwServiceSpecificExitCode   = (n); \
  58         } \
  59 } while ( 0 )
  60
  61 #else
  62 #define SERVICE_EXIT( e, n )
  63 #define MAIN_RETURN(x) return(x)
  64 #endif
  65
  66 typedef int (MainFunc) LDAP_P(( int argc, char *argv[] ));
  67 extern MainFunc slapadd, slapcat, slapdn, slapindex, slappasswd,
  68         slaptest, slapauth, slapacl;
  69
  70 static struct {
  71         char *name;
  72         MainFunc *func;
  73 } tools[] = {
  74         {"slapadd", slapadd},
  75         {"slapcat", slapcat},
  76         {"slapdn", slapdn},
  77         {"slapindex", slapindex},
  78         {"slappasswd", slappasswd},
  79         {"slaptest", slaptest},
  80         {"slapauth", slapauth},
  81         {"slapacl", slapacl},
  82         /* NOTE: new tools must be added in chronological order,
  83          * not in alphabetical order, because for backwards
  84          * compatibility name[4] is used to identify the
  85          * tools; so name[4]=='a' must refer to "slapadd" and
  86          * not to "slapauth".  Alphabetical order can be used
  87          * for tools whose name[4] is not used yet */
  88         {NULL, NULL}
  89 };
  90
  91 /*
  92  * when more than one slapd is running on one machine, each one might have
  93  * it's own LOCAL for syslogging and must have its own pid/args files
  94  */
  95
  96 #ifndef HAVE_MKVERSION
  97 const char Versionstr[] =
  98         OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
  99 #endif
 100
 101 #define CHECK_NONE      0x00
 102 #define CHECK_CONFIG    0x01
 103 static int check = CHECK_NONE;
 104 static int version = 0;
 105
 106 void *slap_tls_ctx;
 107 LDAP *slap_tls_ld;
 108
 109 #ifdef LOG_LOCAL4
 110 #define DEFAULT_SYSLOG_USER     LOG_LOCAL4
 111 #endif /* LOG_LOCAL4 */
 112
 113 static int
 114 slapd_opt_slp( const char *val, void *arg )
 115 {
 116 #ifdef HAVE_SLP
 117         /* NULL is default */
 118         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 119                 slapd_register_slp = 1;
 120                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 121
 122         } else if ( strcasecmp( val, "off" ) == 0 ) {
 123                 slapd_register_slp = 0;
 124
 125         /* NOTE: add support for URL specification? */
 126
 127         } else {
 128                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 129                 return -1;
 130         }
 131
 132         return 0;
 133
 134 #else
 135         fputs( "slapd: SLP support is not available\n", stderr );
 136         return 0;
 137 #endif
 138 }
 139
 140 /*
 141  * Option helper structure:
 142  *
 143  * oh_nam       is left-hand part of <option>[=<value>]
 144  * oh_fnc       is handler function
 145  * oh_arg       is an optional arg to oh_fnc
 146  * oh_usage     is the one-line usage string related to the option,
 147  *              which is assumed to start with <option>[=<value>]
 148  *
 149  * please leave valid options in the structure, and optionally #ifdef
 150  * their processing inside the helper, so that reasonable and helpful
 151  * error messages can be generated if a disabled option is requested.
 152  */
 153 struct option_helper {
 154         struct berval   oh_name;
 155         int             (*oh_fnc)(const char *val, void *arg);
 156         void            *oh_arg;
 157         const char      *oh_usage;
 158 } option_helpers[] = {
 159         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 160         { BER_BVNULL, 0, NULL, NULL }
 161 };
 162
 163 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 164 #ifdef LOG_LOCAL4
 165 static int
 166 parse_syslog_user( const char *arg, int *syslogUser )
 167 {
 168         static slap_verbmasks syslogUsers[] = {
 169                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 170                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 171                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 172                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 173                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 174                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 175                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 176                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 177 #ifdef LOG_USER
 178                 { BER_BVC( "USER" ), LOG_USER },
 179 #endif /* LOG_USER */
 180 #ifdef LOG_DAEMON
 181                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 182 #endif /* LOG_DAEMON */
 183                 { BER_BVNULL, 0 }
 184         };
 185         int i = verb_to_mask( optarg, syslogUsers );
 186
 187         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 188                 Debug( LDAP_DEBUG_ANY,
 189                         "unrecognized syslog user \"%s\".\n",
 190                         optarg, 0, 0 );
 191                 return 1;
 192         }
 193
 194         *syslogUser = syslogUsers[ i ].mask;
 195
 196         return 0;
 197 }
 198 #endif /* LOG_LOCAL4 */
 199
 200 static int
 201 parse_syslog_level( const char *arg, int *levelp )
 202 {
 203         static slap_verbmasks   str2syslog_level[] = {
 204                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 205                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 206                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 207                 { BER_BVC( "ERR" ),     LOG_ERR },
 208                 { BER_BVC( "WARNING" ), LOG_WARNING },
 209                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 210                 { BER_BVC( "INFO" ),    LOG_INFO },
 211                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 212                 { BER_BVNULL, 0 }
 213         };
 214         int i = verb_to_mask( arg, str2syslog_level );
 215         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 216                 Debug( LDAP_DEBUG_ANY,
 217                         "unknown syslog level \"%s\".\n",
 218                         arg, 0, 0 );
 219                 return 1;
 220         }
 221
 222         *levelp = str2syslog_level[ i ].mask;
 223
 224         return 0;
 225 }
 226 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 227
 228 int
 229 parse_debug_unknowns( char **unknowns, int *levelp )
 230 {
 231         int i, level, rc = 0;
 232
 233         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 234                 level = 0;
 235                 if ( str2loglevel( unknowns[ i ], &level )) {
 236                         fprintf( stderr,
 237                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 238                         rc = 1;
 239                 } else {
 240                         *levelp |= level;
 241                 }
 242         }
 243         return rc;
 244 }
 245
 246 int
 247 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 248 {
 249         int     level;
 250
 251         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 252         {
 253                 int     i;
 254                 char    **levels;
 255
 256                 levels = ldap_str2charray( arg, "," );
 257
 258                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 259                         level = 0;
 260
 261                         if ( str2loglevel( levels[ i ], &level ) ) {
 262                                 /* remember this for later */
 263                                 ldap_charray_add( unknowns, levels[ i ] );
 264                                 fprintf( stderr,
 265                                         "unrecognized log level \"%s\" (deferred)\n",
 266                                         levels[ i ] );
 267                         } else {
 268                                 *levelp |= level;
 269                         }
 270                 }
 271
 272                 ldap_charray_free( levels );
 273
 274         } else {
 275                 if ( lutil_atoix( &level, arg, 0 ) != 0 ) {
 276                         fprintf( stderr,
 277                                 "unrecognized log level "
 278                                 "\"%s\"\n", arg );
 279                         return 1;
 280                 }
 281
 282                 if ( level == 0 ) {
 283                         *levelp = 0;
 284
 285                 } else {
 286                         *levelp |= level;
 287                 }
 288         }
 289
 290         return 0;
 291 }
 292
 293 static void
 294 usage( char *name )
 295 {
 296         fprintf( stderr,
 297                 "usage: %s options\n", name );
 298         fprintf( stderr,
 299                 "\t-4\t\tIPv4 only\n"
 300                 "\t-6\t\tIPv6 only\n"
 301                 "\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
 302                 "\t\t\tRun in Tool mode\n"
 303                 "\t-c cookie\tSync cookie of consumer\n"
 304                 "\t-d level\tDebug level" "\n"
 305                 "\t-f filename\tConfiguration file\n"
 306                 "\t-F dir\tConfiguration directory\n"
 307 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 308                 "\t-g group\tGroup (id or name) to run as\n"
 309 #endif
 310                 "\t-h URLs\t\tList of URLs to serve\n"
 311 #ifdef LOG_LOCAL4
 312                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 313 #endif
 314                 "\t-n serverName\tService name\n"
 315                 "\t-o <opt>[=val] generic means to specify options" );
 316         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 317                 int     i;
 318
 319                 fprintf( stderr, "; supported options:\n" );
 320                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 321                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 322                 }
 323         } else {
 324                 fprintf( stderr, "\n" );
 325         }
 326         fprintf( stderr,
 327 #ifdef HAVE_CHROOT
 328                 "\t-r directory\tSandbox directory to chroot to\n"
 329 #endif
 330                 "\t-s level\tSyslog level\n"
 331 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 332                 "\t-u user\t\tUser (id or name) to run as\n"
 333 #endif
 334                 "\t-V\t\tprint version info (-VV only)\n"
 335     );
 336 }
 337
 338 #ifdef HAVE_NT_SERVICE_MANAGER
 339 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 340 #else
 341 int main( int argc, char **argv )
 342 #endif
 343 {
 344         int             i, no_detach = 0;
 345         int             rc = 1;
 346         char *urls = NULL;
 347 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 348         char *username = NULL;
 349         char *groupname = NULL;
 350 #endif
 351 #if defined(HAVE_CHROOT)
 352         char *sandbox = NULL;
 353 #endif
 354 #ifdef LOG_LOCAL4
 355         int syslogUser = DEFAULT_SYSLOG_USER;
 356 #endif
 357
 358         int g_argc = argc;
 359         char **g_argv = argv;
 360
 361         char *configfile = NULL;
 362         char *configdir = NULL;
 363         char *serverName;
 364         int serverMode = SLAP_SERVER_MODE;
 365
 366         struct sync_cookie *scp = NULL;
 367         struct sync_cookie *scp_entry = NULL;
 368
 369         char **debug_unknowns = NULL;
 370         char **syslog_unknowns = NULL;
 371
 372         char *serverNamePrefix = "";
 373         size_t  l;
 374
 375         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 376
 377 #ifdef CSRIMALLOC
 378         FILE *leakfile;
 379         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 380                 leakfile = stderr;
 381         }
 382 #endif
 383
 384         slap_sl_mem_init();
 385
 386         (void) ldap_pvt_thread_initialize();
 387
 388         serverName = lutil_progname( "slapd", argc, argv );
 389
 390         if ( strcmp( serverName, "slapd" ) ) {
 391                 for (i=0; tools[i].name; i++) {
 392                         if ( !strcmp( serverName, tools[i].name ) ) {
 393                                 rc = tools[i].func(argc, argv);
 394                                 MAIN_RETURN(rc);
 395                         }
 396                 }
 397         }
 398
 399 #ifdef HAVE_NT_SERVICE_MANAGER
 400         {
 401                 int *i;
 402                 char *newConfigFile;
 403                 char *newConfigDir;
 404                 char *newUrls;
 405                 char *regService = NULL;
 406
 407                 if ( is_NT_Service ) {
 408                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 409                         if ( strcmp(serverName, SERVICE_NAME) )
 410                             regService = serverName;
 411                 }
 412
 413                 i = (int*)lutil_getRegParam( regService, "DebugLevel" );
 414                 if ( i != NULL ) {
 415                         slap_debug = *i;
 416                         Debug( LDAP_DEBUG_ANY,
 417                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 418                 }
 419
 420                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 421                 if (newUrls) {
 422                     if (urls)
 423                         ch_free(urls);
 424
 425                     urls = ch_strdup(newUrls);
 426                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 427                                 urls, 0, 0);
 428                 }
 429
 430                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 431                 if ( newConfigFile != NULL ) {
 432                         configfile = newConfigFile;
 433                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 434                 }
 435
 436                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 437                 if ( newConfigDir != NULL ) {
 438                         configdir = newConfigDir;
 439                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 440                 }
 441         }
 442 #endif
 443
 444         while ( (i = getopt( argc, argv,
 445                              "c:d:f:F:h:n:o:s:tT:V"
 446 #if LDAP_PF_INET6
 447                                 "46"
 448 #endif
 449 #ifdef HAVE_CHROOT
 450                                 "r:"
 451 #endif
 452 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 453                                 "S:"
 454 #ifdef LOG_LOCAL4
 455                                 "l:"
 456 #endif
 457 #endif
 458 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 459                                 "u:g:"
 460 #endif
 461                              )) != EOF ) {
 462                 switch ( i ) {
 463 #ifdef LDAP_PF_INET6
 464                 case '4':
 465                         slap_inet4or6 = AF_INET;
 466                         break;
 467                 case '6':
 468                         slap_inet4or6 = AF_INET6;
 469                         break;
 470 #endif
 471
 472                 case 'h':       /* listen URLs */
 473                         if ( urls != NULL ) free( urls );
 474                         urls = ch_strdup( optarg );
 475                         break;
 476
 477                 case 'c':       /* provide sync cookie, override if exist in replica */
 478                         scp = (struct sync_cookie *) ch_calloc( 1,
 479                                                                                 sizeof( struct sync_cookie ));
 480                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 481
 482                         /* This only parses out the rid at this point */
 483                         slap_parse_sync_cookie( scp, NULL );
 484
 485                         if ( scp->rid == -1 ) {
 486                                 Debug( LDAP_DEBUG_ANY,
 487                                                 "main: invalid cookie \"%s\"\n",
 488                                                 optarg, 0, 0 );
 489                                 slap_sync_cookie_free( scp, 1 );
 490                                 goto destroy;
 491                         }
 492
 493                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 494                                 if ( scp->rid == scp_entry->rid ) {
 495                                         Debug( LDAP_DEBUG_ANY,
 496                                                     "main: duplicated replica id in cookies\n",
 497                                                         0, 0, 0 );
 498                                         slap_sync_cookie_free( scp, 1 );
 499                                         goto destroy;
 500                                 }
 501                         }
 502                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 503                         break;
 504
 505                 case 'd': {     /* set debug level and 'do not detach' flag */
 506                         int     level = 0;
 507
 508                         no_detach = 1;
 509                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 510                                 goto destroy;
 511                         }
 512 #ifdef LDAP_DEBUG
 513                         slap_debug |= level;
 514 #else
 515                         if ( level != 0 )
 516                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 517                                        stderr );
 518 #endif
 519                         } break;
 520
 521                 case 'f':       /* read config file */
 522                         configfile = ch_strdup( optarg );
 523                         break;
 524
 525                 case 'F':       /* use config dir */
 526                         configdir = ch_strdup( optarg );
 527                         break;
 528
 529                 case 'o': {
 530                         char            *val = strchr( optarg, '=' );
 531                         struct berval   opt;
 532                         int             i;
 533
 534                         opt.bv_val = optarg;
 535
 536                         if ( val ) {
 537                                 opt.bv_len = ( val - optarg );
 538                                 val++;
 539
 540                         } else {
 541                                 opt.bv_len = strlen( optarg );
 542                         }
 543
 544                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 545                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 546                                         assert( option_helpers[i].oh_fnc != NULL );
 547                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 548                                                 /* we assume the option parsing helper
 549                                                  * issues appropriate and self-explanatory
 550                                                  * error messages... */
 551                                                 goto stop;
 552                                         }
 553                                         break;
 554                                 }
 555                         }
 556
 557                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 558                                 goto unhandled_option;
 559                         }
 560                         break;
 561                 }
 562
 563                 case 's':       /* set syslog level */
 564                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 565                                 goto destroy;
 566                         }
 567                         break;
 568
 569 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 570                 case 'S':
 571                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 572                                 goto destroy;
 573                         }
 574                         break;
 575
 576 #ifdef LOG_LOCAL4
 577                 case 'l':       /* set syslog local user */
 578                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 579                                 goto destroy;
 580                         }
 581                         break;
 582 #endif
 583 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 584
 585 #ifdef HAVE_CHROOT
 586                 case 'r':
 587                         if( sandbox ) free(sandbox);
 588                         sandbox = ch_strdup( optarg );
 589                         break;
 590 #endif
 591
 592 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 593                 case 'u':       /* user name */
 594                         if( username ) free(username);
 595                         username = ch_strdup( optarg );
 596                         break;
 597
 598                 case 'g':       /* group name */
 599                         if( groupname ) free(groupname);
 600                         groupname = ch_strdup( optarg );
 601                         break;
 602 #endif /* SETUID && GETUID */
 603
 604                 case 'n':  /* NT service name */
 605                         serverName = ch_strdup( optarg );
 606                         break;
 607
 608                 case 't':
 609                         /* deprecated; use slaptest instead */
 610                         fprintf( stderr, "option -t deprecated; "
 611                                 "use slaptest command instead\n" );
 612                         check |= CHECK_CONFIG;
 613                         break;
 614
 615                 case 'V':
 616                         version++;
 617                         break;
 618
 619                 case 'T':
 620                         /* try full option string first */
 621                         for ( i = 0; tools[i].name; i++ ) {
 622                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 623                                         rc = tools[i].func( argc, argv );
 624                                         MAIN_RETURN( rc );
 625                                 }
 626                         }
 627
 628                         /* try bits of option string (backward compatibility for single char) */
 629                         l = strlen( optarg );
 630                         for ( i = 0; tools[i].name; i++ ) {
 631                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 632                                         rc = tools[i].func( argc, argv );
 633                                         MAIN_RETURN( rc );
 634                                 }
 635                         }
 636
 637                         /* issue error */
 638                         serverName = optarg;
 639                         serverNamePrefix = "slap";
 640                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 641                                         "aborting...\n", serverNamePrefix, serverName );
 642                         /* FALLTHRU */
 643                 default:
 644 unhandled_option:;
 645                         usage( argv[0] );
 646                         rc = 1;
 647                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 648                         goto stop;
 649                 }
 650         }
 651
 652         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 653         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 654         ldif_debug = slap_debug;
 655
 656         if ( version ) {
 657                 fprintf( stderr, "%s\n", Versionstr );
 658                 if ( version > 1 ) goto stop;
 659         }
 660
 661         {
 662                 char *logName;
 663 #ifdef HAVE_EBCDIC
 664                 logName = ch_strdup( serverName );
 665                 __atoe( logName );
 666 #else
 667                 logName = serverName;
 668 #endif
 669
 670 #ifdef LOG_LOCAL4
 671                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 672 #elif LOG_DEBUG
 673                 openlog( logName, OPENLOG_OPTIONS );
 674 #endif
 675 #ifdef HAVE_EBCDIC
 676                 free( logName );
 677 #endif
 678         }
 679
 680         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 681
 682         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 683                 rc = 1;
 684                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 685                 goto stop;
 686         }
 687
 688 #if defined(HAVE_CHROOT)
 689         if ( sandbox ) {
 690                 if ( chdir( sandbox ) ) {
 691                         perror("chdir");
 692                         rc = 1;
 693                         goto stop;
 694                 }
 695                 if ( chroot( sandbox ) ) {
 696                         perror("chroot");
 697                         rc = 1;
 698                         goto stop;
 699                 }
 700         }
 701 #endif
 702
 703 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 704         if ( username != NULL || groupname != NULL ) {
 705                 slap_init_user( username, groupname );
 706         }
 707 #endif
 708
 709         extops_init();
 710         lutil_passwd_init();
 711         slap_op_init();
 712
 713 #ifdef HAVE_TLS
 714         rc = ldap_create( &slap_tls_ld );
 715         if ( rc ) {
 716                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 717                 goto destroy;
 718         }
 719 #endif
 720
 721         rc = slap_init( serverMode, serverName );
 722         if ( rc ) {
 723                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 724                 goto destroy;
 725         }
 726
 727         if ( read_config( configfile, configdir ) != 0 ) {
 728                 rc = 1;
 729                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 730
 731                 if ( check & CHECK_CONFIG ) {
 732                         fprintf( stderr, "config check failed\n" );
 733                 }
 734
 735                 goto destroy;
 736         }
 737
 738         if ( debug_unknowns ) {
 739                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 740                 ldap_charray_free( debug_unknowns );
 741                 debug_unknowns = NULL;
 742                 if ( rc )
 743                         goto destroy;
 744         }
 745         if ( syslog_unknowns ) {
 746                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 747                 ldap_charray_free( syslog_unknowns );
 748                 syslog_unknowns = NULL;
 749                 if ( rc )
 750                         goto destroy;
 751         }
 752
 753         if ( check & CHECK_CONFIG ) {
 754                 fprintf( stderr, "config check succeeded\n" );
 755
 756                 check &= ~CHECK_CONFIG;
 757                 if ( check == CHECK_NONE ) {
 758                         rc = 0;
 759                         goto destroy;
 760                 }
 761         }
 762
 763         if ( glue_sub_attach( ) != 0 ) {
 764                 Debug( LDAP_DEBUG_ANY,
 765                     "subordinate config error\n",
 766                     0, 0, 0 );
 767
 768                 goto destroy;
 769         }
 770
 771         if ( slap_schema_check( ) != 0 ) {
 772                 Debug( LDAP_DEBUG_ANY,
 773                     "schema prep error\n",
 774                     0, 0, 0 );
 775
 776                 goto destroy;
 777         }
 778
 779 #ifdef HAVE_TLS
 780         rc = ldap_pvt_tls_init();
 781         if( rc != 0) {
 782                 Debug( LDAP_DEBUG_ANY,
 783                     "main: TLS init failed: %d\n",
 784                     0, 0, 0 );
 785                 rc = 1;
 786                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 787                 goto destroy;
 788         }
 789
 790         {
 791                 int opt = 1;
 792
 793                 /* Force new ctx to be created */
 794                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 795                 if( rc == 0 ) {
 796                         /* The ctx's refcount is bumped up here */
 797                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 798                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 799                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 800                         Debug( LDAP_DEBUG_ANY,
 801                             "main: TLS init def ctx failed: %d\n",
 802                             rc, 0, 0 );
 803                         rc = 1;
 804                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 805                         goto destroy;
 806                 }
 807         }
 808 #endif
 809
 810         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 811         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 812
 813 #ifdef SIGPIPE
 814         (void) SIGNAL( SIGPIPE, SIG_IGN );
 815 #endif
 816 #ifdef SIGHUP
 817         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 818 #endif
 819         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 820         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 821 #ifdef SIGTRAP
 822         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 823 #endif
 824 #ifdef LDAP_SIGCHLD
 825         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 826 #endif
 827 #ifdef SIGBREAK
 828         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 829         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 830 #endif
 831
 832 #ifndef HAVE_WINSOCK
 833         lutil_detach( no_detach, 0 );
 834 #endif /* HAVE_WINSOCK */
 835
 836 #ifdef CSRIMALLOC
 837         mal_leaktrace(1);
 838 #endif
 839
 840         if ( slapd_pid_file != NULL ) {
 841                 FILE *fp = fopen( slapd_pid_file, "w" );
 842
 843                 if ( fp == NULL ) {
 844                         int save_errno = errno;
 845
 846                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 847                                 "\"%s\": %d (%s)\n",
 848                                 slapd_pid_file,
 849                                 save_errno, strerror( save_errno ) );
 850
 851                         free( slapd_pid_file );
 852                         slapd_pid_file = NULL;
 853
 854                         rc = 1;
 855                         goto destroy;
 856                 }
 857                 fprintf( fp, "%d\n", (int) getpid() );
 858                 fclose( fp );
 859                 slapd_pid_file_unlink = 1;
 860         }
 861
 862         if ( slapd_args_file != NULL ) {
 863                 FILE *fp = fopen( slapd_args_file, "w" );
 864
 865                 if ( fp == NULL ) {
 866                         int save_errno = errno;
 867
 868                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 869                                 "\"%s\": %d (%s)\n",
 870                                 slapd_args_file,
 871                                 save_errno, strerror( save_errno ) );
 872
 873                         free( slapd_args_file );
 874                         slapd_args_file = NULL;
 875
 876                         rc = 1;
 877                         goto destroy;
 878                 }
 879
 880                 for ( i = 0; i < g_argc; i++ ) {
 881                         fprintf( fp, "%s ", g_argv[i] );
 882                 }
 883                 fprintf( fp, "\n" );
 884                 fclose( fp );
 885                 slapd_args_file_unlink = 1;
 886         }
 887
 888         /*
 889          * FIXME: moved here from slapd_daemon_task()
 890          * because back-monitor db_open() needs it
 891          */
 892         time( &starttime );
 893
 894         if ( slap_startup( NULL ) != 0 ) {
 895                 rc = 1;
 896                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 897                 goto shutdown;
 898         }
 899
 900         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
 901
 902 #ifdef HAVE_NT_EVENT_LOG
 903         if (is_NT_Service)
 904         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
 905                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
 906 #endif
 907
 908         rc = slapd_daemon();
 909
 910 #ifdef HAVE_NT_SERVICE_MANAGER
 911         /* Throw away the event that we used during the startup process. */
 912         if ( is_NT_Service )
 913                 ldap_pvt_thread_cond_destroy( &started_event );
 914 #endif
 915
 916 shutdown:
 917         /* remember an error during shutdown */
 918         rc |= slap_shutdown( NULL );
 919
 920 destroy:
 921         /* remember an error during destroy */
 922         rc |= slap_destroy();
 923
 924         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
 925                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
 926                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
 927                 ch_free( scp );
 928         }
 929
 930 #ifdef SLAPD_MODULES
 931         module_kill();
 932 #endif
 933
 934         slap_op_destroy();
 935
 936         extops_kill();
 937
 938         supported_feature_destroy();
 939         entry_info_destroy();
 940
 941 stop:
 942 #ifdef HAVE_NT_EVENT_LOG
 943         if (is_NT_Service)
 944         lutil_LogStoppedEvent( serverName );
 945 #endif
 946
 947         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 948
 949
 950 #ifdef HAVE_NT_SERVICE_MANAGER
 951         lutil_ReportShutdownComplete();
 952 #endif
 953
 954 #ifdef LOG_DEBUG
 955     closelog();
 956 #endif
 957         slapd_daemon_destroy();
 958
 959         controls_destroy();
 960
 961         schema_destroy();
 962
 963         lutil_passwd_destroy();
 964
 965 #ifdef HAVE_TLS
 966         /* Setting it to itself decreases refcount, allowing it to be freed
 967          * when the LD is freed.
 968          */
 969         if ( slap_tls_ld ) {
 970                 ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, slap_tls_ctx );
 971                 ldap_unbind( slap_tls_ld );
 972         }
 973         ldap_pvt_tls_destroy();
 974 #endif
 975
 976         if ( slapd_pid_file_unlink ) {
 977                 unlink( slapd_pid_file );
 978         }
 979         if ( slapd_args_file_unlink ) {
 980                 unlink( slapd_args_file );
 981         }
 982
 983         config_destroy();
 984
 985         if ( configfile )
 986                 ch_free( configfile );
 987         if ( configdir )
 988                 ch_free( configdir );
 989         if ( urls )
 990                 ch_free( urls );
 991
 992         /* kludge, get symbols referenced */
 993         tavl_free( NULL, NULL );
 994
 995 #ifdef CSRIMALLOC
 996         mal_dumpleaktrace( leakfile );
 997 #endif
 998
 999         MAIN_RETURN(rc);
1000 }
1001
1002
1003 #ifdef LDAP_SIGCHLD
1004
1005 /*
1006  *  Catch and discard terminated child processes, to avoid zombies.
1007  */
1008
1009 static RETSIGTYPE
1010 wait4child( int sig )
1011 {
1012     int save_errno = errno;
1013
1014 #ifdef WNOHANG
1015     errno = 0;
1016 #ifdef HAVE_WAITPID
1017     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR )
1018         ;       /* NULL */
1019 #else
1020     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR )
1021         ;       /* NULL */
1022 #endif
1023 #else
1024     (void) wait( NULL );
1025 #endif
1026     (void) SIGNAL_REINSTALL( sig, wait4child );
1027     errno = save_errno;
1028 }
1029
1030 #endif /* LDAP_SIGCHLD */
1031