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