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 1998-2011 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, slapmodify;
  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         {"slapmodify", slapmodify},
  79         {"slappasswd", slappasswd},
  80         {"slapschema", slapschema},
  81         {"slaptest", slaptest},
  82         {"slapauth", slapauth},
  83         {"slapacl", slapacl},
  84         /* NOTE: new tools must be added in chronological order,
  85          * not in alphabetical order, because for backwards
  86          * compatibility name[4] is used to identify the
  87          * tools; so name[4]=='a' must refer to "slapadd" and
  88          * not to "slapauth".  Alphabetical order can be used
  89          * for tools whose name[4] is not used yet */
  90         {NULL, NULL}
  91 };
  92
  93 /*
  94  * when more than one slapd is running on one machine, each one might have
  95  * it's own LOCAL for syslogging and must have its own pid/args files
  96  */
  97
  98 #ifndef HAVE_MKVERSION
  99 const char Versionstr[] =
 100         OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
 101 #endif
 102
 103 extern OverlayInit slap_oinfo[];
 104 extern BackendInfo slap_binfo[];
 105
 106 #define CHECK_NONE      0x00
 107 #define CHECK_CONFIG    0x01
 108 #define CHECK_LOGLEVEL  0x02
 109 static int check = CHECK_NONE;
 110 static int version = 0;
 111
 112 void *slap_tls_ctx;
 113 LDAP *slap_tls_ld;
 114
 115 static int
 116 slapd_opt_slp( const char *val, void *arg )
 117 {
 118 #ifdef HAVE_SLP
 119         /* NULL is default */
 120         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 121                 slapd_register_slp = 1;
 122                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 123
 124         } else if ( strcasecmp( val, "off" ) == 0 ) {
 125                 slapd_register_slp = 0;
 126
 127         /* NOTE: add support for URL specification? */
 128
 129         } else {
 130                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 131                 return -1;
 132         }
 133
 134         return 0;
 135
 136 #else
 137         fputs( "slapd: SLP support is not available\n", stderr );
 138         return 0;
 139 #endif
 140 }
 141
 142 /*
 143  * Option helper structure:
 144  *
 145  * oh_nam       is left-hand part of <option>[=<value>]
 146  * oh_fnc       is handler function
 147  * oh_arg       is an optional arg to oh_fnc
 148  * oh_usage     is the one-line usage string related to the option,
 149  *              which is assumed to start with <option>[=<value>]
 150  *
 151  * please leave valid options in the structure, and optionally #ifdef
 152  * their processing inside the helper, so that reasonable and helpful
 153  * error messages can be generated if a disabled option is requested.
 154  */
 155 struct option_helper {
 156         struct berval   oh_name;
 157         int             (*oh_fnc)(const char *val, void *arg);
 158         void            *oh_arg;
 159         const char      *oh_usage;
 160 } option_helpers[] = {
 161         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 162         { BER_BVNULL, 0, NULL, NULL }
 163 };
 164
 165 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 166 #ifdef LOG_LOCAL4
 167 int
 168 parse_syslog_user( const char *arg, int *syslogUser )
 169 {
 170         static slap_verbmasks syslogUsers[] = {
 171                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 172                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 173                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 174                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 175                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 176                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 177                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 178                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 179 #ifdef LOG_USER
 180                 { BER_BVC( "USER" ), LOG_USER },
 181 #endif /* LOG_USER */
 182 #ifdef LOG_DAEMON
 183                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 184 #endif /* LOG_DAEMON */
 185                 { BER_BVNULL, 0 }
 186         };
 187         int i = verb_to_mask( arg, syslogUsers );
 188
 189         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 190                 Debug( LDAP_DEBUG_ANY,
 191                         "unrecognized syslog user \"%s\".\n",
 192                         arg, 0, 0 );
 193                 return 1;
 194         }
 195
 196         *syslogUser = syslogUsers[ i ].mask;
 197
 198         return 0;
 199 }
 200 #endif /* LOG_LOCAL4 */
 201
 202 int
 203 parse_syslog_level( const char *arg, int *levelp )
 204 {
 205         static slap_verbmasks   str2syslog_level[] = {
 206                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 207                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 208                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 209                 { BER_BVC( "ERR" ),     LOG_ERR },
 210                 { BER_BVC( "WARNING" ), LOG_WARNING },
 211                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 212                 { BER_BVC( "INFO" ),    LOG_INFO },
 213                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 214                 { BER_BVNULL, 0 }
 215         };
 216         int i = verb_to_mask( arg, str2syslog_level );
 217         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 218                 Debug( LDAP_DEBUG_ANY,
 219                         "unknown syslog level \"%s\".\n",
 220                         arg, 0, 0 );
 221                 return 1;
 222         }
 223
 224         *levelp = str2syslog_level[ i ].mask;
 225
 226         return 0;
 227 }
 228 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 229
 230 int
 231 parse_debug_unknowns( char **unknowns, int *levelp )
 232 {
 233         int i, level, rc = 0;
 234
 235         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 236                 level = 0;
 237                 if ( str2loglevel( unknowns[ i ], &level )) {
 238                         fprintf( stderr,
 239                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 240                         rc = 1;
 241                 } else {
 242                         *levelp |= level;
 243                 }
 244         }
 245         return rc;
 246 }
 247
 248 int
 249 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 250 {
 251         int     level;
 252
 253         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 254         {
 255                 int     i;
 256                 char    **levels;
 257
 258                 levels = ldap_str2charray( arg, "," );
 259
 260                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 261                         level = 0;
 262
 263                         if ( str2loglevel( levels[ i ], &level ) ) {
 264                                 /* remember this for later */
 265                                 ldap_charray_add( unknowns, levels[ i ] );
 266                                 fprintf( stderr,
 267                                         "unrecognized log level \"%s\" (deferred)\n",
 268                                         levels[ i ] );
 269                         } else {
 270                                 *levelp |= level;
 271                         }
 272                 }
 273
 274                 ldap_charray_free( levels );
 275
 276         } else {
 277                 int rc;
 278
 279                 if ( arg[0] == '-' ) {
 280                         rc = lutil_atoix( &level, arg, 0 );
 281                 } else {
 282                         unsigned ulevel;
 283
 284                         rc = lutil_atoux( &ulevel, arg, 0 );
 285                         level = (int)ulevel;
 286                 }
 287
 288                 if ( rc ) {
 289                         fprintf( stderr,
 290                                 "unrecognized log level "
 291                                 "\"%s\"\n", arg );
 292                         return 1;
 293                 }
 294
 295                 if ( level == 0 ) {
 296                         *levelp = 0;
 297
 298                 } else {
 299                         *levelp |= level;
 300                 }
 301         }
 302
 303         return 0;
 304 }
 305
 306 static void
 307 usage( char *name )
 308 {
 309         fprintf( stderr,
 310                 "usage: %s options\n", name );
 311         fprintf( stderr,
 312                 "\t-4\t\tIPv4 only\n"
 313                 "\t-6\t\tIPv6 only\n"
 314                 "\t-T {acl|add|auth|cat|dn|index|modify|passwd|test}\n"
 315                 "\t\t\tRun in Tool mode\n"
 316                 "\t-c cookie\tSync cookie of consumer\n"
 317                 "\t-d level\tDebug level" "\n"
 318                 "\t-f filename\tConfiguration file\n"
 319                 "\t-F dir\tConfiguration directory\n"
 320 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 321                 "\t-g group\tGroup (id or name) to run as\n"
 322 #endif
 323                 "\t-h URLs\t\tList of URLs to serve\n"
 324 #ifdef SLAP_DEFAULT_SYSLOG_USER
 325                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 326 #endif
 327                 "\t-n serverName\tService name\n"
 328                 "\t-o <opt>[=val] generic means to specify options" );
 329         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 330                 int     i;
 331
 332                 fprintf( stderr, "; supported options:\n" );
 333                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 334                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 335                 }
 336         } else {
 337                 fprintf( stderr, "\n" );
 338         }
 339         fprintf( stderr,
 340 #ifdef HAVE_CHROOT
 341                 "\t-r directory\tSandbox directory to chroot to\n"
 342 #endif
 343                 "\t-s level\tSyslog level\n"
 344 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 345                 "\t-u user\t\tUser (id or name) to run as\n"
 346 #endif
 347                 "\t-V\t\tprint version info (-VV exit afterwards, -VVV print\n"
 348                 "\t\t\tinfo about static overlays and backends)\n"
 349 #ifndef HAVE_WINSOCK
 350                 "\t-w Wait for database startup before exiting\n"
 351 #endif
 352     );
 353 }
 354
 355 #ifdef HAVE_NT_SERVICE_MANAGER
 356 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 357 #else
 358 int main( int argc, char **argv )
 359 #endif
 360 {
 361         int             i, no_detach = 0;
 362         int             rc = 1;
 363         char *urls = NULL;
 364 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 365         char *username = NULL;
 366         char *groupname = NULL;
 367 #endif
 368 #if defined(HAVE_CHROOT)
 369         char *sandbox = NULL;
 370 #endif
 371 #ifdef SLAP_DEFAULT_SYSLOG_USER
 372         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 373 #endif
 374
 375 #ifndef HAVE_WINSOCK
 376         int pid, wait_for_start = 0, waitfds[2];
 377 #endif
 378         int g_argc = argc;
 379         char **g_argv = argv;
 380
 381         char *configfile = NULL;
 382         char *configdir = NULL;
 383         char *serverName;
 384         int serverMode = SLAP_SERVER_MODE;
 385
 386         struct sync_cookie *scp = NULL;
 387         struct sync_cookie *scp_entry = NULL;
 388
 389         char **debug_unknowns = NULL;
 390         char **syslog_unknowns = NULL;
 391
 392         char *serverNamePrefix = "";
 393         size_t  l;
 394
 395         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 396         int firstopt = 1;
 397
 398 #ifdef CSRIMALLOC
 399         FILE *leakfile;
 400         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 401                 leakfile = stderr;
 402         }
 403 #endif
 404
 405         slap_sl_mem_init();
 406
 407         (void) ldap_pvt_thread_initialize();
 408
 409         serverName = lutil_progname( "slapd", argc, argv );
 410
 411         if ( strcmp( serverName, "slapd" ) ) {
 412                 for (i=0; tools[i].name; i++) {
 413                         if ( !strcmp( serverName, tools[i].name ) ) {
 414                                 rc = tools[i].func(argc, argv);
 415                                 MAIN_RETURN(rc);
 416                         }
 417                 }
 418         }
 419
 420 #ifdef HAVE_NT_SERVICE_MANAGER
 421         {
 422                 int *ip;
 423                 char *newConfigFile;
 424                 char *newConfigDir;
 425                 char *newUrls;
 426                 char *regService = NULL;
 427
 428                 if ( is_NT_Service ) {
 429                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 430                         if ( strcmp(serverName, SERVICE_NAME) )
 431                             regService = serverName;
 432                 }
 433
 434                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 435                 if ( ip != NULL ) {
 436                         slap_debug = *ip;
 437                         Debug( LDAP_DEBUG_ANY,
 438                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 439                 }
 440
 441                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 442                 if (newUrls) {
 443                     if (urls)
 444                         ch_free(urls);
 445
 446                     urls = ch_strdup(newUrls);
 447                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 448                                 urls, 0, 0);
 449                 }
 450
 451                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 452                 if ( newConfigFile != NULL ) {
 453                         configfile = newConfigFile;
 454                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 455                 }
 456
 457                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 458                 if ( newConfigDir != NULL ) {
 459                         configdir = newConfigDir;
 460                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 461                 }
 462         }
 463 #endif
 464
 465         while ( (i = getopt( argc, argv,
 466                              "c:d:f:F:h:n:o:s:tT:V"
 467 #ifdef LDAP_PF_INET6
 468                                 "46"
 469 #endif
 470 #ifdef HAVE_CHROOT
 471                                 "r:"
 472 #endif
 473 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 474                                 "S:"
 475 #ifdef LOG_LOCAL4
 476                                 "l:"
 477 #endif
 478 #endif
 479 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 480                                 "u:g:"
 481 #endif
 482 #ifndef HAVE_WINSOCK
 483                                 "w"
 484 #endif
 485                              )) != EOF ) {
 486                 switch ( i ) {
 487 #ifdef LDAP_PF_INET6
 488                 case '4':
 489                         slap_inet4or6 = AF_INET;
 490                         break;
 491                 case '6':
 492                         slap_inet4or6 = AF_INET6;
 493                         break;
 494 #endif
 495
 496                 case 'h':       /* listen URLs */
 497                         if ( urls != NULL ) free( urls );
 498                         urls = ch_strdup( optarg );
 499                         break;
 500
 501                 case 'c':       /* provide sync cookie, override if exist in replica */
 502                         scp = (struct sync_cookie *) ch_calloc( 1,
 503                                                                                 sizeof( struct sync_cookie ));
 504                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 505
 506                         /* This only parses out the rid at this point */
 507                         slap_parse_sync_cookie( scp, NULL );
 508
 509                         if ( scp->rid == -1 ) {
 510                                 Debug( LDAP_DEBUG_ANY,
 511                                                 "main: invalid cookie \"%s\"\n",
 512                                                 optarg, 0, 0 );
 513                                 slap_sync_cookie_free( scp, 1 );
 514                                 goto destroy;
 515                         }
 516
 517                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 518                                 if ( scp->rid == scp_entry->rid ) {
 519                                         Debug( LDAP_DEBUG_ANY,
 520                                                     "main: duplicated replica id in cookies\n",
 521                                                         0, 0, 0 );
 522                                         slap_sync_cookie_free( scp, 1 );
 523                                         goto destroy;
 524                                 }
 525                         }
 526                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 527                         break;
 528
 529                 case 'd': {     /* set debug level and 'do not detach' flag */
 530                         int     level = 0;
 531
 532                         if ( strcmp( optarg, "?" ) == 0 ) {
 533                                 check |= CHECK_LOGLEVEL;
 534                                 break;
 535                         }
 536
 537                         no_detach = 1;
 538                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 539                                 goto destroy;
 540                         }
 541 #ifdef LDAP_DEBUG
 542                         slap_debug |= level;
 543 #else
 544                         if ( level != 0 )
 545                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 546                                        stderr );
 547 #endif
 548                         } break;
 549
 550                 case 'f':       /* read config file */
 551                         configfile = ch_strdup( optarg );
 552                         break;
 553
 554                 case 'F':       /* use config dir */
 555                         configdir = ch_strdup( optarg );
 556                         break;
 557
 558                 case 'o': {
 559                         char            *val = strchr( optarg, '=' );
 560                         struct berval   opt;
 561
 562                         opt.bv_val = optarg;
 563
 564                         if ( val ) {
 565                                 opt.bv_len = ( val - optarg );
 566                                 val++;
 567
 568                         } else {
 569                                 opt.bv_len = strlen( optarg );
 570                         }
 571
 572                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 573                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 574                                         assert( option_helpers[i].oh_fnc != NULL );
 575                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 576                                                 /* we assume the option parsing helper
 577                                                  * issues appropriate and self-explanatory
 578                                                  * error messages... */
 579                                                 goto stop;
 580                                         }
 581                                         break;
 582                                 }
 583                         }
 584
 585                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 586                                 goto unhandled_option;
 587                         }
 588                         break;
 589                 }
 590
 591                 case 's':       /* set syslog level */
 592                         if ( strcmp( optarg, "?" ) == 0 ) {
 593                                 check |= CHECK_LOGLEVEL;
 594                                 break;
 595                         }
 596
 597                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 598                                 goto destroy;
 599                         }
 600                         break;
 601
 602 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 603                 case 'S':
 604                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 605                                 goto destroy;
 606                         }
 607                         break;
 608
 609 #ifdef LOG_LOCAL4
 610                 case 'l':       /* set syslog local user */
 611                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 612                                 goto destroy;
 613                         }
 614                         break;
 615 #endif
 616 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 617
 618 #ifdef HAVE_CHROOT
 619                 case 'r':
 620                         if( sandbox ) free(sandbox);
 621                         sandbox = ch_strdup( optarg );
 622                         break;
 623 #endif
 624
 625 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 626                 case 'u':       /* user name */
 627                         if( username ) free(username);
 628                         username = ch_strdup( optarg );
 629                         break;
 630
 631                 case 'g':       /* group name */
 632                         if( groupname ) free(groupname);
 633                         groupname = ch_strdup( optarg );
 634                         break;
 635 #endif /* SETUID && GETUID */
 636
 637                 case 'n':  /* NT service name */
 638                         serverName = ch_strdup( optarg );
 639                         break;
 640
 641                 case 't':
 642                         /* deprecated; use slaptest instead */
 643                         fprintf( stderr, "option -t deprecated; "
 644                                 "use slaptest command instead\n" );
 645                         check |= CHECK_CONFIG;
 646                         break;
 647
 648                 case 'V':
 649                         version++;
 650                         break;
 651
 652 #ifndef HAVE_WINSOCK
 653                 case 'w':
 654                         wait_for_start = 1;
 655                         break;
 656 #endif
 657
 658                 case 'T':
 659                         if ( firstopt == 0 ) {
 660                                 fprintf( stderr, "warning: \"-T %s\" "
 661                                         "should be the first option.\n",
 662                                         optarg );
 663                         }
 664
 665                         /* try full option string first */
 666                         for ( i = 0; tools[i].name; i++ ) {
 667                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 668                                         rc = tools[i].func( argc, argv );
 669                                         MAIN_RETURN( rc );
 670                                 }
 671                         }
 672
 673                         /* try bits of option string (backward compatibility for single char) */
 674                         l = strlen( optarg );
 675                         for ( i = 0; tools[i].name; i++ ) {
 676                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 677                                         rc = tools[i].func( argc, argv );
 678                                         MAIN_RETURN( rc );
 679                                 }
 680                         }
 681
 682                         /* issue error */
 683                         serverName = optarg;
 684                         serverNamePrefix = "slap";
 685                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 686                                         "aborting...\n", serverNamePrefix, serverName );
 687                         /* FALLTHRU */
 688                 default:
 689 unhandled_option:;
 690                         usage( argv[0] );
 691                         rc = 1;
 692                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 693                         goto stop;
 694                 }
 695
 696                 if ( firstopt ) {
 697                         firstopt = 0;
 698                 }
 699         }
 700
 701         if ( optind != argc )
 702                 goto unhandled_option;
 703
 704         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 705         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 706         ldif_debug = slap_debug;
 707
 708         if ( version ) {
 709                 fprintf( stderr, "%s\n", Versionstr );
 710                 if ( version > 2 ) {
 711                         if ( slap_oinfo[0].ov_type ) {
 712                                 fprintf( stderr, "Included static overlays:\n");
 713                                 for ( i= 0 ; slap_oinfo[i].ov_type; i++ ) {
 714                                         fprintf( stderr, "    %s\n", slap_oinfo[i].ov_type );
 715                                 }
 716                         }
 717                         if ( slap_binfo[0].bi_type ) {
 718                                 fprintf( stderr, "Included static backends:\n");
 719                                 for ( i= 0 ; slap_binfo[i].bi_type; i++ ) {
 720                                         fprintf( stderr, "    %s\n", slap_binfo[i].bi_type );
 721                                 }
 722                         }
 723                 }
 724
 725                 if ( version > 1 ) goto stop;
 726         }
 727
 728 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 729         {
 730                 char *logName;
 731 #ifdef HAVE_EBCDIC
 732                 logName = ch_strdup( serverName );
 733                 __atoe( logName );
 734 #else
 735                 logName = serverName;
 736 #endif
 737
 738 #ifdef LOG_LOCAL4
 739                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 740 #elif defined LOG_DEBUG
 741                 openlog( logName, OPENLOG_OPTIONS );
 742 #endif
 743 #ifdef HAVE_EBCDIC
 744                 free( logName );
 745 #endif
 746         }
 747 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 748
 749         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 750
 751         global_host = ldap_pvt_get_fqdn( NULL );
 752         ber_str2bv( global_host, 0, 0, &global_host_bv );
 753
 754         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 755                 rc = 1;
 756                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 757                 goto stop;
 758         }
 759
 760 #if defined(HAVE_CHROOT)
 761         if ( sandbox ) {
 762                 if ( chdir( sandbox ) ) {
 763                         perror("chdir");
 764                         rc = 1;
 765                         goto stop;
 766                 }
 767                 if ( chroot( sandbox ) ) {
 768                         perror("chroot");
 769                         rc = 1;
 770                         goto stop;
 771                 }
 772         }
 773 #endif
 774
 775 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 776         if ( username != NULL || groupname != NULL ) {
 777                 slap_init_user( username, groupname );
 778         }
 779 #endif
 780
 781         extops_init();
 782         lutil_passwd_init();
 783
 784 #ifdef HAVE_TLS
 785         rc = ldap_create( &slap_tls_ld );
 786         if ( rc ) {
 787                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 788                 goto destroy;
 789         }
 790         /* Library defaults to full certificate checking. This is correct when
 791          * a client is verifying a server because all servers should have a
 792          * valid cert. But few clients have valid certs, so we want our default
 793          * to be no checking. The config file can override this as usual.
 794          */
 795         rc = LDAP_OPT_X_TLS_NEVER;
 796         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 797 #endif
 798
 799         rc = slap_init( serverMode, serverName );
 800         if ( rc ) {
 801                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 802                 goto destroy;
 803         }
 804
 805         if ( read_config( configfile, configdir ) != 0 ) {
 806                 rc = 1;
 807                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 808
 809                 if ( check & CHECK_CONFIG ) {
 810                         fprintf( stderr, "config check failed\n" );
 811                 }
 812
 813                 goto destroy;
 814         }
 815
 816         if ( debug_unknowns ) {
 817                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 818                 ldap_charray_free( debug_unknowns );
 819                 debug_unknowns = NULL;
 820                 if ( rc )
 821                         goto destroy;
 822         }
 823         if ( syslog_unknowns ) {
 824                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 825                 ldap_charray_free( syslog_unknowns );
 826                 syslog_unknowns = NULL;
 827                 if ( rc )
 828                         goto destroy;
 829         }
 830
 831         if ( check & CHECK_LOGLEVEL ) {
 832                 rc = 0;
 833                 goto destroy;
 834         }
 835
 836         if ( check & CHECK_CONFIG ) {
 837                 fprintf( stderr, "config check succeeded\n" );
 838
 839                 check &= ~CHECK_CONFIG;
 840                 if ( check == CHECK_NONE ) {
 841                         rc = 0;
 842                         goto destroy;
 843                 }
 844         }
 845
 846         if ( glue_sub_attach( 0 ) != 0 ) {
 847                 Debug( LDAP_DEBUG_ANY,
 848                     "subordinate config error\n",
 849                     0, 0, 0 );
 850
 851                 goto destroy;
 852         }
 853
 854         if ( slap_schema_check( ) != 0 ) {
 855                 Debug( LDAP_DEBUG_ANY,
 856                     "schema prep error\n",
 857                     0, 0, 0 );
 858
 859                 goto destroy;
 860         }
 861
 862 #ifdef HAVE_TLS
 863         rc = ldap_pvt_tls_init();
 864         if( rc != 0) {
 865                 Debug( LDAP_DEBUG_ANY,
 866                     "main: TLS init failed: %d\n",
 867                     rc, 0, 0 );
 868                 rc = 1;
 869                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 870                 goto destroy;
 871         }
 872
 873         {
 874                 int opt = 1;
 875
 876                 /* Force new ctx to be created */
 877                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 878                 if( rc == 0 ) {
 879                         /* The ctx's refcount is bumped up here */
 880                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 881                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 882                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 883                         Debug( LDAP_DEBUG_ANY,
 884                             "main: TLS init def ctx failed: %d\n",
 885                             rc, 0, 0 );
 886                         rc = 1;
 887                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 888                         goto destroy;
 889                 }
 890         }
 891 #endif
 892
 893 #ifdef HAVE_CYRUS_SASL
 894         if( sasl_host == NULL ) {
 895                 sasl_host = ch_strdup( global_host );
 896         }
 897 #endif
 898
 899         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 900         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 901
 902 #ifdef SIGPIPE
 903         (void) SIGNAL( SIGPIPE, SIG_IGN );
 904 #endif
 905 #ifdef SIGHUP
 906         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 907 #endif
 908         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 909         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 910 #ifdef SIGTRAP
 911         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 912 #endif
 913 #ifdef LDAP_SIGCHLD
 914         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 915 #endif
 916 #ifdef SIGBREAK
 917         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 918         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 919 #endif
 920
 921 #ifndef HAVE_WINSOCK
 922         if ( wait_for_start ) {
 923                 if ( lutil_pair( waitfds ) < 0 ) {
 924                         Debug( LDAP_DEBUG_ANY,
 925                                 "main: lutil_pair failed: %d\n",
 926                                 0, 0, 0 );
 927                         rc = 1;
 928                         goto destroy;
 929                 }
 930         }
 931         pid = lutil_detach( no_detach, 0 );
 932         if ( pid ) {
 933                 rc = EXIT_SUCCESS;
 934                 if ( wait_for_start ) {
 935                         char buf[4];
 936                         close( waitfds[1] );
 937                         if ( read( waitfds[0], buf, 1 ) != 1 )
 938                                 rc = EXIT_FAILURE;
 939                 }
 940                 _exit( rc );
 941         } else {
 942                 if ( wait_for_start ) {
 943                         close( waitfds[0] );
 944                 }
 945         }
 946 #endif /* HAVE_WINSOCK */
 947
 948 #ifdef CSRIMALLOC
 949         mal_leaktrace(1);
 950 #endif
 951
 952         if ( slapd_pid_file != NULL ) {
 953                 FILE *fp = fopen( slapd_pid_file, "w" );
 954
 955                 if ( fp == NULL ) {
 956                         int save_errno = errno;
 957
 958                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 959                                 "\"%s\": %d (%s)\n",
 960                                 slapd_pid_file,
 961                                 save_errno, strerror( save_errno ) );
 962
 963                         free( slapd_pid_file );
 964                         slapd_pid_file = NULL;
 965
 966                         rc = 1;
 967                         goto destroy;
 968                 }
 969                 fprintf( fp, "%d\n", (int) getpid() );
 970                 fclose( fp );
 971                 slapd_pid_file_unlink = 1;
 972         }
 973
 974         if ( slapd_args_file != NULL ) {
 975                 FILE *fp = fopen( slapd_args_file, "w" );
 976
 977                 if ( fp == NULL ) {
 978                         int save_errno = errno;
 979
 980                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 981                                 "\"%s\": %d (%s)\n",
 982                                 slapd_args_file,
 983                                 save_errno, strerror( save_errno ) );
 984
 985                         free( slapd_args_file );
 986                         slapd_args_file = NULL;
 987
 988                         rc = 1;
 989                         goto destroy;
 990                 }
 991
 992                 for ( i = 0; i < g_argc; i++ ) {
 993                         fprintf( fp, "%s ", g_argv[i] );
 994                 }
 995                 fprintf( fp, "\n" );
 996                 fclose( fp );
 997                 slapd_args_file_unlink = 1;
 998         }
 999
1000         /*
1001          * FIXME: moved here from slapd_daemon_task()
1002          * because back-monitor db_open() needs it
1003          */
1004         time( &starttime );
1005
1006         connections_init();
1007
1008         if ( slap_startup( NULL ) != 0 ) {
1009                 rc = 1;
1010                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
1011                 goto shutdown;
1012         }
1013
1014         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
1015
1016 #ifndef HAVE_WINSOCK
1017         if ( wait_for_start ) {
1018                 write( waitfds[1], "1", 1 );
1019                 close( waitfds[1] );
1020         }
1021 #endif
1022
1023 #ifdef HAVE_NT_EVENT_LOG
1024         if (is_NT_Service)
1025         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
1026                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
1027 #endif
1028
1029         rc = slapd_daemon();
1030
1031 #ifdef HAVE_NT_SERVICE_MANAGER
1032         /* Throw away the event that we used during the startup process. */
1033         if ( is_NT_Service )
1034                 ldap_pvt_thread_cond_destroy( &started_event );
1035 #endif
1036
1037 shutdown:
1038         /* remember an error during shutdown */
1039         rc |= slap_shutdown( NULL );
1040
1041 destroy:
1042         if ( check & CHECK_LOGLEVEL ) {
1043                 (void)loglevel_print( stdout );
1044         }
1045         /* remember an error during destroy */
1046         rc |= slap_destroy();
1047
1048         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
1049                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
1050                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
1051                 ch_free( scp );
1052         }
1053
1054 #ifdef SLAPD_MODULES
1055         module_kill();
1056 #endif
1057
1058         extops_kill();
1059
1060         supported_feature_destroy();
1061         entry_info_destroy();
1062
1063 stop:
1064 #ifdef HAVE_NT_EVENT_LOG
1065         if (is_NT_Service)
1066         lutil_LogStoppedEvent( serverName );
1067 #endif
1068
1069         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
1070
1071
1072 #ifdef HAVE_NT_SERVICE_MANAGER
1073         lutil_ReportShutdownComplete();
1074 #endif
1075
1076 #ifdef LOG_DEBUG
1077     closelog();
1078 #endif
1079         slapd_daemon_destroy();
1080
1081         controls_destroy();
1082
1083         filter_destroy();
1084
1085         schema_destroy();
1086
1087         lutil_passwd_destroy();
1088
1089 #ifdef HAVE_TLS
1090         if ( slap_tls_ld ) {
1091                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1092                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1093         }
1094         ldap_pvt_tls_destroy();
1095 #endif
1096
1097         slap_sasl_regexp_destroy();
1098
1099         if ( slapd_pid_file_unlink ) {
1100                 unlink( slapd_pid_file );
1101         }
1102         if ( slapd_args_file_unlink ) {
1103                 unlink( slapd_args_file );
1104         }
1105
1106         config_destroy();
1107
1108         if ( configfile )
1109                 ch_free( configfile );
1110         if ( configdir )
1111                 ch_free( configdir );
1112         if ( urls )
1113                 ch_free( urls );
1114         if ( global_host )
1115                 ch_free( global_host );
1116
1117         /* kludge, get symbols referenced */
1118         tavl_free( NULL, NULL );
1119
1120 #ifdef CSRIMALLOC
1121         mal_dumpleaktrace( leakfile );
1122 #endif
1123
1124         MAIN_RETURN(rc);
1125 }
1126
1127
1128 #ifdef LDAP_SIGCHLD
1129
1130 /*
1131  *  Catch and discard terminated child processes, to avoid zombies.
1132  */
1133
1134 static RETSIGTYPE
1135 wait4child( int sig )
1136 {
1137     int save_errno = errno;
1138
1139 #ifdef WNOHANG
1140     do
1141         errno = 0;
1142 #ifdef HAVE_WAITPID
1143     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1144 #else
1145     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1146 #endif
1147 #else
1148     (void) wait( NULL );
1149 #endif
1150     (void) SIGNAL_REINSTALL( sig, wait4child );
1151     errno = save_errno;
1152 }
1153
1154 #endif /* LDAP_SIGCHLD */