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 1998-2009 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, slapschema;
  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         {"slapschema", slapschema},
  80         {"slaptest", slaptest},
  81         {"slapauth", slapauth},
  82         {"slapacl", slapacl},
  83         /* NOTE: new tools must be added in chronological order,
  84          * not in alphabetical order, because for backwards
  85          * compatibility name[4] is used to identify the
  86          * tools; so name[4]=='a' must refer to "slapadd" and
  87          * not to "slapauth".  Alphabetical order can be used
  88          * for tools whose name[4] is not used yet */
  89         {NULL, NULL}
  90 };
  91
  92 /*
  93  * when more than one slapd is running on one machine, each one might have
  94  * it's own LOCAL for syslogging and must have its own pid/args files
  95  */
  96
  97 #ifndef HAVE_MKVERSION
  98 const char Versionstr[] =
  99         OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
 100 #endif
 101
 102 #define CHECK_NONE      0x00
 103 #define CHECK_CONFIG    0x01
 104 #define CHECK_LOGLEVEL  0x02
 105 static int check = CHECK_NONE;
 106 static int version = 0;
 107
 108 void *slap_tls_ctx;
 109 LDAP *slap_tls_ld;
 110
 111 static int
 112 slapd_opt_slp( const char *val, void *arg )
 113 {
 114 #ifdef HAVE_SLP
 115         /* NULL is default */
 116         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 117                 slapd_register_slp = 1;
 118                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 119
 120         } else if ( strcasecmp( val, "off" ) == 0 ) {
 121                 slapd_register_slp = 0;
 122
 123         /* NOTE: add support for URL specification? */
 124
 125         } else {
 126                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 127                 return -1;
 128         }
 129
 130         return 0;
 131
 132 #else
 133         fputs( "slapd: SLP support is not available\n", stderr );
 134         return 0;
 135 #endif
 136 }
 137
 138 /*
 139  * Option helper structure:
 140  *
 141  * oh_nam       is left-hand part of <option>[=<value>]
 142  * oh_fnc       is handler function
 143  * oh_arg       is an optional arg to oh_fnc
 144  * oh_usage     is the one-line usage string related to the option,
 145  *              which is assumed to start with <option>[=<value>]
 146  *
 147  * please leave valid options in the structure, and optionally #ifdef
 148  * their processing inside the helper, so that reasonable and helpful
 149  * error messages can be generated if a disabled option is requested.
 150  */
 151 struct option_helper {
 152         struct berval   oh_name;
 153         int             (*oh_fnc)(const char *val, void *arg);
 154         void            *oh_arg;
 155         const char      *oh_usage;
 156 } option_helpers[] = {
 157         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 158         { BER_BVNULL, 0, NULL, NULL }
 159 };
 160
 161 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 162 #ifdef LOG_LOCAL4
 163 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( arg, syslogUsers );
 184
 185         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 186                 Debug( LDAP_DEBUG_ANY,
 187                         "unrecognized syslog user \"%s\".\n",
 188                         arg, 0, 0 );
 189                 return 1;
 190         }
 191
 192         *syslogUser = syslogUsers[ i ].mask;
 193
 194         return 0;
 195 }
 196 #endif /* LOG_LOCAL4 */
 197
 198 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 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 225
 226 int
 227 parse_debug_unknowns( char **unknowns, int *levelp )
 228 {
 229         int i, level, rc = 0;
 230
 231         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 232                 level = 0;
 233                 if ( str2loglevel( unknowns[ i ], &level )) {
 234                         fprintf( stderr,
 235                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 236                         rc = 1;
 237                 } else {
 238                         *levelp |= level;
 239                 }
 240         }
 241         return rc;
 242 }
 243
 244 int
 245 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 246 {
 247         int     level;
 248
 249         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 250         {
 251                 int     i;
 252                 char    **levels;
 253
 254                 levels = ldap_str2charray( arg, "," );
 255
 256                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 257                         level = 0;
 258
 259                         if ( str2loglevel( levels[ i ], &level ) ) {
 260                                 /* remember this for later */
 261                                 ldap_charray_add( unknowns, levels[ i ] );
 262                                 fprintf( stderr,
 263                                         "unrecognized log level \"%s\" (deferred)\n",
 264                                         levels[ i ] );
 265                         } else {
 266                                 *levelp |= level;
 267                         }
 268                 }
 269
 270                 ldap_charray_free( levels );
 271
 272         } else {
 273                 int rc;
 274
 275                 if ( arg[0] == '-' ) {
 276                         rc = lutil_atoix( &level, arg, 0 );
 277                 } else {
 278                         unsigned ulevel;
 279
 280                         rc = lutil_atoux( &ulevel, arg, 0 );
 281                         level = (int)ulevel;
 282                 }
 283
 284                 if ( rc ) {
 285                         fprintf( stderr,
 286                                 "unrecognized log level "
 287                                 "\"%s\"\n", arg );
 288                         return 1;
 289                 }
 290
 291                 if ( level == 0 ) {
 292                         *levelp = 0;
 293
 294                 } else {
 295                         *levelp |= level;
 296                 }
 297         }
 298
 299         return 0;
 300 }
 301
 302 static void
 303 usage( char *name )
 304 {
 305         fprintf( stderr,
 306                 "usage: %s options\n", name );
 307         fprintf( stderr,
 308                 "\t-4\t\tIPv4 only\n"
 309                 "\t-6\t\tIPv6 only\n"
 310                 "\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
 311                 "\t\t\tRun in Tool mode\n"
 312                 "\t-c cookie\tSync cookie of consumer\n"
 313                 "\t-d level\tDebug level" "\n"
 314                 "\t-f filename\tConfiguration file\n"
 315                 "\t-F dir\tConfiguration directory\n"
 316 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 317                 "\t-g group\tGroup (id or name) to run as\n"
 318 #endif
 319                 "\t-h URLs\t\tList of URLs to serve\n"
 320 #ifdef SLAP_DEFAULT_SYSLOG_USER
 321                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 322 #endif
 323                 "\t-n serverName\tService name\n"
 324                 "\t-o <opt>[=val] generic means to specify options" );
 325         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 326                 int     i;
 327
 328                 fprintf( stderr, "; supported options:\n" );
 329                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 330                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 331                 }
 332         } else {
 333                 fprintf( stderr, "\n" );
 334         }
 335         fprintf( stderr,
 336 #ifdef HAVE_CHROOT
 337                 "\t-r directory\tSandbox directory to chroot to\n"
 338 #endif
 339                 "\t-s level\tSyslog level\n"
 340 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 341                 "\t-u user\t\tUser (id or name) to run as\n"
 342 #endif
 343                 "\t-V\t\tprint version info (-VV only)\n"
 344     );
 345 }
 346
 347 #ifdef HAVE_NT_SERVICE_MANAGER
 348 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 349 #else
 350 int main( int argc, char **argv )
 351 #endif
 352 {
 353         int             i, no_detach = 0;
 354         int             rc = 1;
 355         char *urls = NULL;
 356 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 357         char *username = NULL;
 358         char *groupname = NULL;
 359 #endif
 360 #if defined(HAVE_CHROOT)
 361         char *sandbox = NULL;
 362 #endif
 363 #ifdef SLAP_DEFAULT_SYSLOG_USER
 364         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 365 #endif
 366
 367         int g_argc = argc;
 368         char **g_argv = argv;
 369
 370         char *configfile = NULL;
 371         char *configdir = NULL;
 372         char *serverName;
 373         int serverMode = SLAP_SERVER_MODE;
 374
 375         struct sync_cookie *scp = NULL;
 376         struct sync_cookie *scp_entry = NULL;
 377
 378         char **debug_unknowns = NULL;
 379         char **syslog_unknowns = NULL;
 380
 381         char *serverNamePrefix = "";
 382         size_t  l;
 383
 384         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 385         int firstopt = 1;
 386
 387 #ifdef CSRIMALLOC
 388         FILE *leakfile;
 389         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 390                 leakfile = stderr;
 391         }
 392 #endif
 393
 394         slap_sl_mem_init();
 395
 396         (void) ldap_pvt_thread_initialize();
 397
 398         serverName = lutil_progname( "slapd", argc, argv );
 399
 400         if ( strcmp( serverName, "slapd" ) ) {
 401                 for (i=0; tools[i].name; i++) {
 402                         if ( !strcmp( serverName, tools[i].name ) ) {
 403                                 rc = tools[i].func(argc, argv);
 404                                 MAIN_RETURN(rc);
 405                         }
 406                 }
 407         }
 408
 409 #ifdef HAVE_NT_SERVICE_MANAGER
 410         {
 411                 int *ip;
 412                 char *newConfigFile;
 413                 char *newConfigDir;
 414                 char *newUrls;
 415                 char *regService = NULL;
 416
 417                 if ( is_NT_Service ) {
 418                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 419                         if ( strcmp(serverName, SERVICE_NAME) )
 420                             regService = serverName;
 421                 }
 422
 423                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 424                 if ( ip != NULL ) {
 425                         slap_debug = *ip;
 426                         Debug( LDAP_DEBUG_ANY,
 427                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 428                 }
 429
 430                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 431                 if (newUrls) {
 432                     if (urls)
 433                         ch_free(urls);
 434
 435                     urls = ch_strdup(newUrls);
 436                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 437                                 urls, 0, 0);
 438                 }
 439
 440                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 441                 if ( newConfigFile != NULL ) {
 442                         configfile = newConfigFile;
 443                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 444                 }
 445
 446                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 447                 if ( newConfigDir != NULL ) {
 448                         configdir = newConfigDir;
 449                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 450                 }
 451         }
 452 #endif
 453
 454         while ( (i = getopt( argc, argv,
 455                              "c:d:f:F:h:n:o:s:tT:V"
 456 #ifdef LDAP_PF_INET6
 457                                 "46"
 458 #endif
 459 #ifdef HAVE_CHROOT
 460                                 "r:"
 461 #endif
 462 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 463                                 "S:"
 464 #ifdef LOG_LOCAL4
 465                                 "l:"
 466 #endif
 467 #endif
 468 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 469                                 "u:g:"
 470 #endif
 471                              )) != EOF ) {
 472                 switch ( i ) {
 473 #ifdef LDAP_PF_INET6
 474                 case '4':
 475                         slap_inet4or6 = AF_INET;
 476                         break;
 477                 case '6':
 478                         slap_inet4or6 = AF_INET6;
 479                         break;
 480 #endif
 481
 482                 case 'h':       /* listen URLs */
 483                         if ( urls != NULL ) free( urls );
 484                         urls = ch_strdup( optarg );
 485                         break;
 486
 487                 case 'c':       /* provide sync cookie, override if exist in replica */
 488                         scp = (struct sync_cookie *) ch_calloc( 1,
 489                                                                                 sizeof( struct sync_cookie ));
 490                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 491
 492                         /* This only parses out the rid at this point */
 493                         slap_parse_sync_cookie( scp, NULL );
 494
 495                         if ( scp->rid == -1 ) {
 496                                 Debug( LDAP_DEBUG_ANY,
 497                                                 "main: invalid cookie \"%s\"\n",
 498                                                 optarg, 0, 0 );
 499                                 slap_sync_cookie_free( scp, 1 );
 500                                 goto destroy;
 501                         }
 502
 503                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 504                                 if ( scp->rid == scp_entry->rid ) {
 505                                         Debug( LDAP_DEBUG_ANY,
 506                                                     "main: duplicated replica id in cookies\n",
 507                                                         0, 0, 0 );
 508                                         slap_sync_cookie_free( scp, 1 );
 509                                         goto destroy;
 510                                 }
 511                         }
 512                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 513                         break;
 514
 515                 case 'd': {     /* set debug level and 'do not detach' flag */
 516                         int     level = 0;
 517
 518                         if ( strcmp( optarg, "?" ) == 0 ) {
 519                                 check |= CHECK_LOGLEVEL;
 520                                 break;
 521                         }
 522
 523                         no_detach = 1;
 524                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 525                                 goto destroy;
 526                         }
 527 #ifdef LDAP_DEBUG
 528                         slap_debug |= level;
 529 #else
 530                         if ( level != 0 )
 531                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 532                                        stderr );
 533 #endif
 534                         } break;
 535
 536                 case 'f':       /* read config file */
 537                         configfile = ch_strdup( optarg );
 538                         break;
 539
 540                 case 'F':       /* use config dir */
 541                         configdir = ch_strdup( optarg );
 542                         break;
 543
 544                 case 'o': {
 545                         char            *val = strchr( optarg, '=' );
 546                         struct berval   opt;
 547
 548                         opt.bv_val = optarg;
 549
 550                         if ( val ) {
 551                                 opt.bv_len = ( val - optarg );
 552                                 val++;
 553
 554                         } else {
 555                                 opt.bv_len = strlen( optarg );
 556                         }
 557
 558                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 559                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 560                                         assert( option_helpers[i].oh_fnc != NULL );
 561                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 562                                                 /* we assume the option parsing helper
 563                                                  * issues appropriate and self-explanatory
 564                                                  * error messages... */
 565                                                 goto stop;
 566                                         }
 567                                         break;
 568                                 }
 569                         }
 570
 571                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 572                                 goto unhandled_option;
 573                         }
 574                         break;
 575                 }
 576
 577                 case 's':       /* set syslog level */
 578                         if ( strcmp( optarg, "?" ) == 0 ) {
 579                                 check |= CHECK_LOGLEVEL;
 580                                 break;
 581                         }
 582
 583                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 584                                 goto destroy;
 585                         }
 586                         break;
 587
 588 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 589                 case 'S':
 590                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 591                                 goto destroy;
 592                         }
 593                         break;
 594
 595 #ifdef LOG_LOCAL4
 596                 case 'l':       /* set syslog local user */
 597                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 598                                 goto destroy;
 599                         }
 600                         break;
 601 #endif
 602 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 603
 604 #ifdef HAVE_CHROOT
 605                 case 'r':
 606                         if( sandbox ) free(sandbox);
 607                         sandbox = ch_strdup( optarg );
 608                         break;
 609 #endif
 610
 611 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 612                 case 'u':       /* user name */
 613                         if( username ) free(username);
 614                         username = ch_strdup( optarg );
 615                         break;
 616
 617                 case 'g':       /* group name */
 618                         if( groupname ) free(groupname);
 619                         groupname = ch_strdup( optarg );
 620                         break;
 621 #endif /* SETUID && GETUID */
 622
 623                 case 'n':  /* NT service name */
 624                         serverName = ch_strdup( optarg );
 625                         break;
 626
 627                 case 't':
 628                         /* deprecated; use slaptest instead */
 629                         fprintf( stderr, "option -t deprecated; "
 630                                 "use slaptest command instead\n" );
 631                         check |= CHECK_CONFIG;
 632                         break;
 633
 634                 case 'V':
 635                         version++;
 636                         break;
 637
 638                 case 'T':
 639                         if ( firstopt == 0 ) {
 640                                 fprintf( stderr, "warning: \"-T %s\" "
 641                                         "should be the first option.\n",
 642                                         optarg );
 643                         }
 644
 645                         /* try full option string first */
 646                         for ( i = 0; tools[i].name; i++ ) {
 647                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 648                                         rc = tools[i].func( argc, argv );
 649                                         MAIN_RETURN( rc );
 650                                 }
 651                         }
 652
 653                         /* try bits of option string (backward compatibility for single char) */
 654                         l = strlen( optarg );
 655                         for ( i = 0; tools[i].name; i++ ) {
 656                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 657                                         rc = tools[i].func( argc, argv );
 658                                         MAIN_RETURN( rc );
 659                                 }
 660                         }
 661
 662                         /* issue error */
 663                         serverName = optarg;
 664                         serverNamePrefix = "slap";
 665                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 666                                         "aborting...\n", serverNamePrefix, serverName );
 667                         /* FALLTHRU */
 668                 default:
 669 unhandled_option:;
 670                         usage( argv[0] );
 671                         rc = 1;
 672                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 673                         goto stop;
 674                 }
 675
 676                 if ( firstopt ) {
 677                         firstopt = 0;
 678                 }
 679         }
 680
 681         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 682         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 683         ldif_debug = slap_debug;
 684
 685         if ( version ) {
 686                 fprintf( stderr, "%s\n", Versionstr );
 687                 if ( version > 1 ) goto stop;
 688         }
 689
 690 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 691         {
 692                 char *logName;
 693 #ifdef HAVE_EBCDIC
 694                 logName = ch_strdup( serverName );
 695                 __atoe( logName );
 696 #else
 697                 logName = serverName;
 698 #endif
 699
 700 #ifdef LOG_LOCAL4
 701                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 702 #elif defined LOG_DEBUG
 703                 openlog( logName, OPENLOG_OPTIONS );
 704 #endif
 705 #ifdef HAVE_EBCDIC
 706                 free( logName );
 707 #endif
 708         }
 709 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 710
 711         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 712
 713         global_host = ldap_pvt_get_fqdn( NULL );
 714         ber_str2bv( global_host, 0, 0, &global_host_bv );
 715
 716         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 717                 rc = 1;
 718                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 719                 goto stop;
 720         }
 721
 722 #if defined(HAVE_CHROOT)
 723         if ( sandbox ) {
 724                 if ( chdir( sandbox ) ) {
 725                         perror("chdir");
 726                         rc = 1;
 727                         goto stop;
 728                 }
 729                 if ( chroot( sandbox ) ) {
 730                         perror("chroot");
 731                         rc = 1;
 732                         goto stop;
 733                 }
 734         }
 735 #endif
 736
 737 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 738         if ( username != NULL || groupname != NULL ) {
 739                 slap_init_user( username, groupname );
 740         }
 741 #endif
 742
 743         extops_init();
 744         lutil_passwd_init();
 745
 746 #ifdef HAVE_TLS
 747         rc = ldap_create( &slap_tls_ld );
 748         if ( rc ) {
 749                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 750                 goto destroy;
 751         }
 752         /* Library defaults to full certificate checking. This is correct when
 753          * a client is verifying a server because all servers should have a
 754          * valid cert. But few clients have valid certs, so we want our default
 755          * to be no checking. The config file can override this as usual.
 756          */
 757         rc = LDAP_OPT_X_TLS_NEVER;
 758         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 759 #endif
 760
 761         rc = slap_init( serverMode, serverName );
 762         if ( rc ) {
 763                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 764                 goto destroy;
 765         }
 766
 767         if ( read_config( configfile, configdir ) != 0 ) {
 768                 rc = 1;
 769                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 770
 771                 if ( check & CHECK_CONFIG ) {
 772                         fprintf( stderr, "config check failed\n" );
 773                 }
 774
 775                 goto destroy;
 776         }
 777
 778         if ( debug_unknowns ) {
 779                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 780                 ldap_charray_free( debug_unknowns );
 781                 debug_unknowns = NULL;
 782                 if ( rc )
 783                         goto destroy;
 784         }
 785         if ( syslog_unknowns ) {
 786                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 787                 ldap_charray_free( syslog_unknowns );
 788                 syslog_unknowns = NULL;
 789                 if ( rc )
 790                         goto destroy;
 791         }
 792
 793         if ( check & CHECK_LOGLEVEL ) {
 794                 rc = 0;
 795                 goto destroy;
 796         }
 797
 798         if ( check & CHECK_CONFIG ) {
 799                 fprintf( stderr, "config check succeeded\n" );
 800
 801                 check &= ~CHECK_CONFIG;
 802                 if ( check == CHECK_NONE ) {
 803                         rc = 0;
 804                         goto destroy;
 805                 }
 806         }
 807
 808         if ( glue_sub_attach( 0 ) != 0 ) {
 809                 Debug( LDAP_DEBUG_ANY,
 810                     "subordinate config error\n",
 811                     0, 0, 0 );
 812
 813                 goto destroy;
 814         }
 815
 816         if ( slap_schema_check( ) != 0 ) {
 817                 Debug( LDAP_DEBUG_ANY,
 818                     "schema prep error\n",
 819                     0, 0, 0 );
 820
 821                 goto destroy;
 822         }
 823
 824 #ifdef HAVE_TLS
 825         rc = ldap_pvt_tls_init();
 826         if( rc != 0) {
 827                 Debug( LDAP_DEBUG_ANY,
 828                     "main: TLS init failed: %d\n",
 829                     0, 0, 0 );
 830                 rc = 1;
 831                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 832                 goto destroy;
 833         }
 834
 835         {
 836                 int opt = 1;
 837
 838                 /* Force new ctx to be created */
 839                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 840                 if( rc == 0 ) {
 841                         /* The ctx's refcount is bumped up here */
 842                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 843                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 844                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 845                         Debug( LDAP_DEBUG_ANY,
 846                             "main: TLS init def ctx failed: %d\n",
 847                             rc, 0, 0 );
 848                         rc = 1;
 849                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 850                         goto destroy;
 851                 }
 852         }
 853 #endif
 854
 855 #ifdef HAVE_CYRUS_SASL
 856         if( sasl_host == NULL ) {
 857                 sasl_host = ch_strdup( global_host );
 858         }
 859 #endif
 860
 861         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 862         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 863
 864 #ifdef SIGPIPE
 865         (void) SIGNAL( SIGPIPE, SIG_IGN );
 866 #endif
 867 #ifdef SIGHUP
 868         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 869 #endif
 870         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 871         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 872 #ifdef SIGTRAP
 873         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 874 #endif
 875 #ifdef LDAP_SIGCHLD
 876         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 877 #endif
 878 #ifdef SIGBREAK
 879         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 880         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 881 #endif
 882
 883 #ifndef HAVE_WINSOCK
 884         lutil_detach( no_detach, 0 );
 885 #endif /* HAVE_WINSOCK */
 886
 887 #ifdef CSRIMALLOC
 888         mal_leaktrace(1);
 889 #endif
 890
 891         if ( slapd_pid_file != NULL ) {
 892                 FILE *fp = fopen( slapd_pid_file, "w" );
 893
 894                 if ( fp == NULL ) {
 895                         int save_errno = errno;
 896
 897                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 898                                 "\"%s\": %d (%s)\n",
 899                                 slapd_pid_file,
 900                                 save_errno, strerror( save_errno ) );
 901
 902                         free( slapd_pid_file );
 903                         slapd_pid_file = NULL;
 904
 905                         rc = 1;
 906                         goto destroy;
 907                 }
 908                 fprintf( fp, "%d\n", (int) getpid() );
 909                 fclose( fp );
 910                 slapd_pid_file_unlink = 1;
 911         }
 912
 913         if ( slapd_args_file != NULL ) {
 914                 FILE *fp = fopen( slapd_args_file, "w" );
 915
 916                 if ( fp == NULL ) {
 917                         int save_errno = errno;
 918
 919                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 920                                 "\"%s\": %d (%s)\n",
 921                                 slapd_args_file,
 922                                 save_errno, strerror( save_errno ) );
 923
 924                         free( slapd_args_file );
 925                         slapd_args_file = NULL;
 926
 927                         rc = 1;
 928                         goto destroy;
 929                 }
 930
 931                 for ( i = 0; i < g_argc; i++ ) {
 932                         fprintf( fp, "%s ", g_argv[i] );
 933                 }
 934                 fprintf( fp, "\n" );
 935                 fclose( fp );
 936                 slapd_args_file_unlink = 1;
 937         }
 938
 939         /*
 940          * FIXME: moved here from slapd_daemon_task()
 941          * because back-monitor db_open() needs it
 942          */
 943         time( &starttime );
 944
 945         connections_init();
 946
 947         if ( slap_startup( NULL ) != 0 ) {
 948                 rc = 1;
 949                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 950                 goto shutdown;
 951         }
 952
 953         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
 954
 955 #ifdef HAVE_NT_EVENT_LOG
 956         if (is_NT_Service)
 957         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
 958                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
 959 #endif
 960
 961         rc = slapd_daemon();
 962
 963 #ifdef HAVE_NT_SERVICE_MANAGER
 964         /* Throw away the event that we used during the startup process. */
 965         if ( is_NT_Service )
 966                 ldap_pvt_thread_cond_destroy( &started_event );
 967 #endif
 968
 969 shutdown:
 970         /* remember an error during shutdown */
 971         rc |= slap_shutdown( NULL );
 972
 973 destroy:
 974         if ( check & CHECK_LOGLEVEL ) {
 975                 (void)loglevel_print( stdout );
 976         }
 977         /* remember an error during destroy */
 978         rc |= slap_destroy();
 979
 980         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
 981                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
 982                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
 983                 ch_free( scp );
 984         }
 985
 986 #ifdef SLAPD_MODULES
 987         module_kill();
 988 #endif
 989
 990         extops_kill();
 991
 992         supported_feature_destroy();
 993         entry_info_destroy();
 994
 995 stop:
 996 #ifdef HAVE_NT_EVENT_LOG
 997         if (is_NT_Service)
 998         lutil_LogStoppedEvent( serverName );
 999 #endif
1000
1001         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
1002
1003
1004 #ifdef HAVE_NT_SERVICE_MANAGER
1005         lutil_ReportShutdownComplete();
1006 #endif
1007
1008 #ifdef LOG_DEBUG
1009     closelog();
1010 #endif
1011         slapd_daemon_destroy();
1012
1013         controls_destroy();
1014
1015         filter_destroy();
1016
1017         schema_destroy();
1018
1019         lutil_passwd_destroy();
1020
1021 #ifdef HAVE_TLS
1022         if ( slap_tls_ld ) {
1023                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1024                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1025         }
1026         ldap_pvt_tls_destroy();
1027 #endif
1028
1029         slap_sasl_regexp_destroy();
1030
1031         if ( slapd_pid_file_unlink ) {
1032                 unlink( slapd_pid_file );
1033         }
1034         if ( slapd_args_file_unlink ) {
1035                 unlink( slapd_args_file );
1036         }
1037
1038         config_destroy();
1039
1040         if ( configfile )
1041                 ch_free( configfile );
1042         if ( configdir )
1043                 ch_free( configdir );
1044         if ( urls )
1045                 ch_free( urls );
1046         if ( global_host )
1047                 ch_free( global_host );
1048
1049         /* kludge, get symbols referenced */
1050         tavl_free( NULL, NULL );
1051
1052 #ifdef CSRIMALLOC
1053         mal_dumpleaktrace( leakfile );
1054 #endif
1055
1056         MAIN_RETURN(rc);
1057 }
1058
1059
1060 #ifdef LDAP_SIGCHLD
1061
1062 /*
1063  *  Catch and discard terminated child processes, to avoid zombies.
1064  */
1065
1066 static RETSIGTYPE
1067 wait4child( int sig )
1068 {
1069     int save_errno = errno;
1070
1071 #ifdef WNOHANG
1072     do
1073         errno = 0;
1074 #ifdef HAVE_WAITPID
1075     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1076 #else
1077     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1078 #endif
1079 #else
1080     (void) wait( NULL );
1081 #endif
1082     (void) SIGNAL_REINSTALL( sig, wait4child );
1083     errno = save_errno;
1084 }
1085
1086 #endif /* LDAP_SIGCHLD */