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 1998-2010 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 #define CHECK_NONE      0x00
 104 #define CHECK_CONFIG    0x01
 105 #define CHECK_LOGLEVEL  0x02
 106 static int check = CHECK_NONE;
 107 static int version = 0;
 108
 109 void *slap_tls_ctx;
 110 LDAP *slap_tls_ld;
 111
 112 static int
 113 slapd_opt_slp( const char *val, void *arg )
 114 {
 115 #ifdef HAVE_SLP
 116         /* NULL is default */
 117         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 118                 slapd_register_slp = 1;
 119                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 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|(attrs)}] enable/disable SLP using (attrs)" },
 159         { BER_BVNULL, 0, NULL, NULL }
 160 };
 161
 162 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 163 #ifdef LOG_LOCAL4
 164 int
 165 parse_syslog_user( const char *arg, int *syslogUser )
 166 {
 167         static slap_verbmasks syslogUsers[] = {
 168                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 169                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 170                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 171                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 172                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 173                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 174                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 175                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 176 #ifdef LOG_USER
 177                 { BER_BVC( "USER" ), LOG_USER },
 178 #endif /* LOG_USER */
 179 #ifdef LOG_DAEMON
 180                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 181 #endif /* LOG_DAEMON */
 182                 { BER_BVNULL, 0 }
 183         };
 184         int i = verb_to_mask( arg, syslogUsers );
 185
 186         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 187                 Debug( LDAP_DEBUG_ANY,
 188                         "unrecognized syslog user \"%s\".\n",
 189                         arg, 0, 0 );
 190                 return 1;
 191         }
 192
 193         *syslogUser = syslogUsers[ i ].mask;
 194
 195         return 0;
 196 }
 197 #endif /* LOG_LOCAL4 */
 198
 199 int
 200 parse_syslog_level( const char *arg, int *levelp )
 201 {
 202         static slap_verbmasks   str2syslog_level[] = {
 203                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 204                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 205                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 206                 { BER_BVC( "ERR" ),     LOG_ERR },
 207                 { BER_BVC( "WARNING" ), LOG_WARNING },
 208                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 209                 { BER_BVC( "INFO" ),    LOG_INFO },
 210                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 211                 { BER_BVNULL, 0 }
 212         };
 213         int i = verb_to_mask( arg, str2syslog_level );
 214         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 215                 Debug( LDAP_DEBUG_ANY,
 216                         "unknown syslog level \"%s\".\n",
 217                         arg, 0, 0 );
 218                 return 1;
 219         }
 220
 221         *levelp = str2syslog_level[ i ].mask;
 222
 223         return 0;
 224 }
 225 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 226
 227 int
 228 parse_debug_unknowns( char **unknowns, int *levelp )
 229 {
 230         int i, level, rc = 0;
 231
 232         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 233                 level = 0;
 234                 if ( str2loglevel( unknowns[ i ], &level )) {
 235                         fprintf( stderr,
 236                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 237                         rc = 1;
 238                 } else {
 239                         *levelp |= level;
 240                 }
 241         }
 242         return rc;
 243 }
 244
 245 int
 246 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 247 {
 248         int     level;
 249
 250         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 251         {
 252                 int     i;
 253                 char    **levels;
 254
 255                 levels = ldap_str2charray( arg, "," );
 256
 257                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 258                         level = 0;
 259
 260                         if ( str2loglevel( levels[ i ], &level ) ) {
 261                                 /* remember this for later */
 262                                 ldap_charray_add( unknowns, levels[ i ] );
 263                                 fprintf( stderr,
 264                                         "unrecognized log level \"%s\" (deferred)\n",
 265                                         levels[ i ] );
 266                         } else {
 267                                 *levelp |= level;
 268                         }
 269                 }
 270
 271                 ldap_charray_free( levels );
 272
 273         } else {
 274                 int rc;
 275
 276                 if ( arg[0] == '-' ) {
 277                         rc = lutil_atoix( &level, arg, 0 );
 278                 } else {
 279                         unsigned ulevel;
 280
 281                         rc = lutil_atoux( &ulevel, arg, 0 );
 282                         level = (int)ulevel;
 283                 }
 284
 285                 if ( rc ) {
 286                         fprintf( stderr,
 287                                 "unrecognized log level "
 288                                 "\"%s\"\n", arg );
 289                         return 1;
 290                 }
 291
 292                 if ( level == 0 ) {
 293                         *levelp = 0;
 294
 295                 } else {
 296                         *levelp |= level;
 297                 }
 298         }
 299
 300         return 0;
 301 }
 302
 303 static void
 304 usage( char *name )
 305 {
 306         fprintf( stderr,
 307                 "usage: %s options\n", name );
 308         fprintf( stderr,
 309                 "\t-4\t\tIPv4 only\n"
 310                 "\t-6\t\tIPv6 only\n"
 311                 "\t-T {acl|add|auth|cat|dn|index|modify|passwd|test}\n"
 312                 "\t\t\tRun in Tool mode\n"
 313                 "\t-c cookie\tSync cookie of consumer\n"
 314                 "\t-d level\tDebug level" "\n"
 315                 "\t-f filename\tConfiguration file\n"
 316                 "\t-F dir\tConfiguration directory\n"
 317 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 318                 "\t-g group\tGroup (id or name) to run as\n"
 319 #endif
 320                 "\t-h URLs\t\tList of URLs to serve\n"
 321 #ifdef SLAP_DEFAULT_SYSLOG_USER
 322                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 323 #endif
 324                 "\t-n serverName\tService name\n"
 325                 "\t-o <opt>[=val] generic means to specify options" );
 326         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 327                 int     i;
 328
 329                 fprintf( stderr, "; supported options:\n" );
 330                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 331                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 332                 }
 333         } else {
 334                 fprintf( stderr, "\n" );
 335         }
 336         fprintf( stderr,
 337 #ifdef HAVE_CHROOT
 338                 "\t-r directory\tSandbox directory to chroot to\n"
 339 #endif
 340                 "\t-s level\tSyslog level\n"
 341 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 342                 "\t-u user\t\tUser (id or name) to run as\n"
 343 #endif
 344                 "\t-V\t\tprint version info (-VV only)\n"
 345     );
 346 }
 347
 348 #ifdef HAVE_NT_SERVICE_MANAGER
 349 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 350 #else
 351 int main( int argc, char **argv )
 352 #endif
 353 {
 354         int             i, no_detach = 0;
 355         int             rc = 1;
 356         char *urls = NULL;
 357 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 358         char *username = NULL;
 359         char *groupname = NULL;
 360 #endif
 361 #if defined(HAVE_CHROOT)
 362         char *sandbox = NULL;
 363 #endif
 364 #ifdef SLAP_DEFAULT_SYSLOG_USER
 365         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 366 #endif
 367
 368         int g_argc = argc;
 369         char **g_argv = argv;
 370
 371         char *configfile = NULL;
 372         char *configdir = NULL;
 373         char *serverName;
 374         int serverMode = SLAP_SERVER_MODE;
 375
 376         struct sync_cookie *scp = NULL;
 377         struct sync_cookie *scp_entry = NULL;
 378
 379         char **debug_unknowns = NULL;
 380         char **syslog_unknowns = NULL;
 381
 382         char *serverNamePrefix = "";
 383         size_t  l;
 384
 385         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 386         int firstopt = 1;
 387
 388 #ifdef CSRIMALLOC
 389         FILE *leakfile;
 390         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 391                 leakfile = stderr;
 392         }
 393 #endif
 394
 395         slap_sl_mem_init();
 396
 397         (void) ldap_pvt_thread_initialize();
 398
 399         serverName = lutil_progname( "slapd", argc, argv );
 400
 401         if ( strcmp( serverName, "slapd" ) ) {
 402                 for (i=0; tools[i].name; i++) {
 403                         if ( !strcmp( serverName, tools[i].name ) ) {
 404                                 rc = tools[i].func(argc, argv);
 405                                 MAIN_RETURN(rc);
 406                         }
 407                 }
 408         }
 409
 410 #ifdef HAVE_NT_SERVICE_MANAGER
 411         {
 412                 int *ip;
 413                 char *newConfigFile;
 414                 char *newConfigDir;
 415                 char *newUrls;
 416                 char *regService = NULL;
 417
 418                 if ( is_NT_Service ) {
 419                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 420                         if ( strcmp(serverName, SERVICE_NAME) )
 421                             regService = serverName;
 422                 }
 423
 424                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 425                 if ( ip != NULL ) {
 426                         slap_debug = *ip;
 427                         Debug( LDAP_DEBUG_ANY,
 428                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 429                 }
 430
 431                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 432                 if (newUrls) {
 433                     if (urls)
 434                         ch_free(urls);
 435
 436                     urls = ch_strdup(newUrls);
 437                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 438                                 urls, 0, 0);
 439                 }
 440
 441                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 442                 if ( newConfigFile != NULL ) {
 443                         configfile = newConfigFile;
 444                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 445                 }
 446
 447                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 448                 if ( newConfigDir != NULL ) {
 449                         configdir = newConfigDir;
 450                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 451                 }
 452         }
 453 #endif
 454
 455         while ( (i = getopt( argc, argv,
 456                              "c:d:f:F:h:n:o:s:tT:V"
 457 #ifdef LDAP_PF_INET6
 458                                 "46"
 459 #endif
 460 #ifdef HAVE_CHROOT
 461                                 "r:"
 462 #endif
 463 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 464                                 "S:"
 465 #ifdef LOG_LOCAL4
 466                                 "l:"
 467 #endif
 468 #endif
 469 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 470                                 "u:g:"
 471 #endif
 472                              )) != EOF ) {
 473                 switch ( i ) {
 474 #ifdef LDAP_PF_INET6
 475                 case '4':
 476                         slap_inet4or6 = AF_INET;
 477                         break;
 478                 case '6':
 479                         slap_inet4or6 = AF_INET6;
 480                         break;
 481 #endif
 482
 483                 case 'h':       /* listen URLs */
 484                         if ( urls != NULL ) free( urls );
 485                         urls = ch_strdup( optarg );
 486                         break;
 487
 488                 case 'c':       /* provide sync cookie, override if exist in replica */
 489                         scp = (struct sync_cookie *) ch_calloc( 1,
 490                                                                                 sizeof( struct sync_cookie ));
 491                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 492
 493                         /* This only parses out the rid at this point */
 494                         slap_parse_sync_cookie( scp, NULL );
 495
 496                         if ( scp->rid == -1 ) {
 497                                 Debug( LDAP_DEBUG_ANY,
 498                                                 "main: invalid cookie \"%s\"\n",
 499                                                 optarg, 0, 0 );
 500                                 slap_sync_cookie_free( scp, 1 );
 501                                 goto destroy;
 502                         }
 503
 504                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 505                                 if ( scp->rid == scp_entry->rid ) {
 506                                         Debug( LDAP_DEBUG_ANY,
 507                                                     "main: duplicated replica id in cookies\n",
 508                                                         0, 0, 0 );
 509                                         slap_sync_cookie_free( scp, 1 );
 510                                         goto destroy;
 511                                 }
 512                         }
 513                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 514                         break;
 515
 516                 case 'd': {     /* set debug level and 'do not detach' flag */
 517                         int     level = 0;
 518
 519                         if ( strcmp( optarg, "?" ) == 0 ) {
 520                                 check |= CHECK_LOGLEVEL;
 521                                 break;
 522                         }
 523
 524                         no_detach = 1;
 525                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 526                                 goto destroy;
 527                         }
 528 #ifdef LDAP_DEBUG
 529                         slap_debug |= level;
 530 #else
 531                         if ( level != 0 )
 532                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 533                                        stderr );
 534 #endif
 535                         } break;
 536
 537                 case 'f':       /* read config file */
 538                         configfile = ch_strdup( optarg );
 539                         break;
 540
 541                 case 'F':       /* use config dir */
 542                         configdir = ch_strdup( optarg );
 543                         break;
 544
 545                 case 'o': {
 546                         char            *val = strchr( optarg, '=' );
 547                         struct berval   opt;
 548
 549                         opt.bv_val = optarg;
 550
 551                         if ( val ) {
 552                                 opt.bv_len = ( val - optarg );
 553                                 val++;
 554
 555                         } else {
 556                                 opt.bv_len = strlen( optarg );
 557                         }
 558
 559                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 560                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 561                                         assert( option_helpers[i].oh_fnc != NULL );
 562                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 563                                                 /* we assume the option parsing helper
 564                                                  * issues appropriate and self-explanatory
 565                                                  * error messages... */
 566                                                 goto stop;
 567                                         }
 568                                         break;
 569                                 }
 570                         }
 571
 572                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 573                                 goto unhandled_option;
 574                         }
 575                         break;
 576                 }
 577
 578                 case 's':       /* set syslog level */
 579                         if ( strcmp( optarg, "?" ) == 0 ) {
 580                                 check |= CHECK_LOGLEVEL;
 581                                 break;
 582                         }
 583
 584                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 585                                 goto destroy;
 586                         }
 587                         break;
 588
 589 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 590                 case 'S':
 591                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 592                                 goto destroy;
 593                         }
 594                         break;
 595
 596 #ifdef LOG_LOCAL4
 597                 case 'l':       /* set syslog local user */
 598                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 599                                 goto destroy;
 600                         }
 601                         break;
 602 #endif
 603 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 604
 605 #ifdef HAVE_CHROOT
 606                 case 'r':
 607                         if( sandbox ) free(sandbox);
 608                         sandbox = ch_strdup( optarg );
 609                         break;
 610 #endif
 611
 612 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 613                 case 'u':       /* user name */
 614                         if( username ) free(username);
 615                         username = ch_strdup( optarg );
 616                         break;
 617
 618                 case 'g':       /* group name */
 619                         if( groupname ) free(groupname);
 620                         groupname = ch_strdup( optarg );
 621                         break;
 622 #endif /* SETUID && GETUID */
 623
 624                 case 'n':  /* NT service name */
 625                         serverName = ch_strdup( optarg );
 626                         break;
 627
 628                 case 't':
 629                         /* deprecated; use slaptest instead */
 630                         fprintf( stderr, "option -t deprecated; "
 631                                 "use slaptest command instead\n" );
 632                         check |= CHECK_CONFIG;
 633                         break;
 634
 635                 case 'V':
 636                         version++;
 637                         break;
 638
 639                 case 'T':
 640                         if ( firstopt == 0 ) {
 641                                 fprintf( stderr, "warning: \"-T %s\" "
 642                                         "should be the first option.\n",
 643                                         optarg );
 644                         }
 645
 646                         /* try full option string first */
 647                         for ( i = 0; tools[i].name; i++ ) {
 648                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 649                                         rc = tools[i].func( argc, argv );
 650                                         MAIN_RETURN( rc );
 651                                 }
 652                         }
 653
 654                         /* try bits of option string (backward compatibility for single char) */
 655                         l = strlen( optarg );
 656                         for ( i = 0; tools[i].name; i++ ) {
 657                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 658                                         rc = tools[i].func( argc, argv );
 659                                         MAIN_RETURN( rc );
 660                                 }
 661                         }
 662
 663                         /* issue error */
 664                         serverName = optarg;
 665                         serverNamePrefix = "slap";
 666                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 667                                         "aborting...\n", serverNamePrefix, serverName );
 668                         /* FALLTHRU */
 669                 default:
 670 unhandled_option:;
 671                         usage( argv[0] );
 672                         rc = 1;
 673                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 674                         goto stop;
 675                 }
 676
 677                 if ( firstopt ) {
 678                         firstopt = 0;
 679                 }
 680         }
 681
 682         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 683         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 684         ldif_debug = slap_debug;
 685
 686         if ( version ) {
 687                 fprintf( stderr, "%s\n", Versionstr );
 688                 if ( version > 1 ) goto stop;
 689         }
 690
 691 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 692         {
 693                 char *logName;
 694 #ifdef HAVE_EBCDIC
 695                 logName = ch_strdup( serverName );
 696                 __atoe( logName );
 697 #else
 698                 logName = serverName;
 699 #endif
 700
 701 #ifdef LOG_LOCAL4
 702                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 703 #elif defined LOG_DEBUG
 704                 openlog( logName, OPENLOG_OPTIONS );
 705 #endif
 706 #ifdef HAVE_EBCDIC
 707                 free( logName );
 708 #endif
 709         }
 710 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 711
 712         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 713
 714         global_host = ldap_pvt_get_fqdn( NULL );
 715         ber_str2bv( global_host, 0, 0, &global_host_bv );
 716
 717         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 718                 rc = 1;
 719                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 720                 goto stop;
 721         }
 722
 723 #if defined(HAVE_CHROOT)
 724         if ( sandbox ) {
 725                 if ( chdir( sandbox ) ) {
 726                         perror("chdir");
 727                         rc = 1;
 728                         goto stop;
 729                 }
 730                 if ( chroot( sandbox ) ) {
 731                         perror("chroot");
 732                         rc = 1;
 733                         goto stop;
 734                 }
 735         }
 736 #endif
 737
 738 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 739         if ( username != NULL || groupname != NULL ) {
 740                 slap_init_user( username, groupname );
 741         }
 742 #endif
 743
 744         extops_init();
 745         lutil_passwd_init();
 746
 747 #ifdef HAVE_TLS
 748         rc = ldap_create( &slap_tls_ld );
 749         if ( rc ) {
 750                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 751                 goto destroy;
 752         }
 753         /* Library defaults to full certificate checking. This is correct when
 754          * a client is verifying a server because all servers should have a
 755          * valid cert. But few clients have valid certs, so we want our default
 756          * to be no checking. The config file can override this as usual.
 757          */
 758         rc = LDAP_OPT_X_TLS_NEVER;
 759         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 760 #endif
 761
 762         rc = slap_init( serverMode, serverName );
 763         if ( rc ) {
 764                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 765                 goto destroy;
 766         }
 767
 768         if ( read_config( configfile, configdir ) != 0 ) {
 769                 rc = 1;
 770                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 771
 772                 if ( check & CHECK_CONFIG ) {
 773                         fprintf( stderr, "config check failed\n" );
 774                 }
 775
 776                 goto destroy;
 777         }
 778
 779         if ( debug_unknowns ) {
 780                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 781                 ldap_charray_free( debug_unknowns );
 782                 debug_unknowns = NULL;
 783                 if ( rc )
 784                         goto destroy;
 785         }
 786         if ( syslog_unknowns ) {
 787                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 788                 ldap_charray_free( syslog_unknowns );
 789                 syslog_unknowns = NULL;
 790                 if ( rc )
 791                         goto destroy;
 792         }
 793
 794         if ( check & CHECK_LOGLEVEL ) {
 795                 rc = 0;
 796                 goto destroy;
 797         }
 798
 799         if ( check & CHECK_CONFIG ) {
 800                 fprintf( stderr, "config check succeeded\n" );
 801
 802                 check &= ~CHECK_CONFIG;
 803                 if ( check == CHECK_NONE ) {
 804                         rc = 0;
 805                         goto destroy;
 806                 }
 807         }
 808
 809         if ( glue_sub_attach( 0 ) != 0 ) {
 810                 Debug( LDAP_DEBUG_ANY,
 811                     "subordinate config error\n",
 812                     0, 0, 0 );
 813
 814                 goto destroy;
 815         }
 816
 817         if ( slap_schema_check( ) != 0 ) {
 818                 Debug( LDAP_DEBUG_ANY,
 819                     "schema prep error\n",
 820                     0, 0, 0 );
 821
 822                 goto destroy;
 823         }
 824
 825 #ifdef HAVE_TLS
 826         rc = ldap_pvt_tls_init();
 827         if( rc != 0) {
 828                 Debug( LDAP_DEBUG_ANY,
 829                     "main: TLS init failed: %d\n",
 830                     0, 0, 0 );
 831                 rc = 1;
 832                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 833                 goto destroy;
 834         }
 835
 836         {
 837                 int opt = 1;
 838
 839                 /* Force new ctx to be created */
 840                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 841                 if( rc == 0 ) {
 842                         /* The ctx's refcount is bumped up here */
 843                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 844                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 845                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 846                         Debug( LDAP_DEBUG_ANY,
 847                             "main: TLS init def ctx failed: %d\n",
 848                             rc, 0, 0 );
 849                         rc = 1;
 850                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 851                         goto destroy;
 852                 }
 853         }
 854 #endif
 855
 856 #ifdef HAVE_CYRUS_SASL
 857         if( sasl_host == NULL ) {
 858                 sasl_host = ch_strdup( global_host );
 859         }
 860 #endif
 861
 862         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 863         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 864
 865 #ifdef SIGPIPE
 866         (void) SIGNAL( SIGPIPE, SIG_IGN );
 867 #endif
 868 #ifdef SIGHUP
 869         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 870 #endif
 871         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 872         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 873 #ifdef SIGTRAP
 874         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 875 #endif
 876 #ifdef LDAP_SIGCHLD
 877         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 878 #endif
 879 #ifdef SIGBREAK
 880         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 881         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 882 #endif
 883
 884 #ifndef HAVE_WINSOCK
 885         lutil_detach( no_detach, 0 );
 886 #endif /* HAVE_WINSOCK */
 887
 888 #ifdef CSRIMALLOC
 889         mal_leaktrace(1);
 890 #endif
 891
 892         if ( slapd_pid_file != NULL ) {
 893                 FILE *fp = fopen( slapd_pid_file, "w" );
 894
 895                 if ( fp == NULL ) {
 896                         int save_errno = errno;
 897
 898                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 899                                 "\"%s\": %d (%s)\n",
 900                                 slapd_pid_file,
 901                                 save_errno, strerror( save_errno ) );
 902
 903                         free( slapd_pid_file );
 904                         slapd_pid_file = NULL;
 905
 906                         rc = 1;
 907                         goto destroy;
 908                 }
 909                 fprintf( fp, "%d\n", (int) getpid() );
 910                 fclose( fp );
 911                 slapd_pid_file_unlink = 1;
 912         }
 913
 914         if ( slapd_args_file != NULL ) {
 915                 FILE *fp = fopen( slapd_args_file, "w" );
 916
 917                 if ( fp == NULL ) {
 918                         int save_errno = errno;
 919
 920                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 921                                 "\"%s\": %d (%s)\n",
 922                                 slapd_args_file,
 923                                 save_errno, strerror( save_errno ) );
 924
 925                         free( slapd_args_file );
 926                         slapd_args_file = NULL;
 927
 928                         rc = 1;
 929                         goto destroy;
 930                 }
 931
 932                 for ( i = 0; i < g_argc; i++ ) {
 933                         fprintf( fp, "%s ", g_argv[i] );
 934                 }
 935                 fprintf( fp, "\n" );
 936                 fclose( fp );
 937                 slapd_args_file_unlink = 1;
 938         }
 939
 940         /*
 941          * FIXME: moved here from slapd_daemon_task()
 942          * because back-monitor db_open() needs it
 943          */
 944         time( &starttime );
 945
 946         connections_init();
 947
 948         if ( slap_startup( NULL ) != 0 ) {
 949                 rc = 1;
 950                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 951                 goto shutdown;
 952         }
 953
 954         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
 955
 956 #ifdef HAVE_NT_EVENT_LOG
 957         if (is_NT_Service)
 958         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
 959                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
 960 #endif
 961
 962         rc = slapd_daemon();
 963
 964 #ifdef HAVE_NT_SERVICE_MANAGER
 965         /* Throw away the event that we used during the startup process. */
 966         if ( is_NT_Service )
 967                 ldap_pvt_thread_cond_destroy( &started_event );
 968 #endif
 969
 970 shutdown:
 971         /* remember an error during shutdown */
 972         rc |= slap_shutdown( NULL );
 973
 974 destroy:
 975         if ( check & CHECK_LOGLEVEL ) {
 976                 (void)loglevel_print( stdout );
 977         }
 978         /* remember an error during destroy */
 979         rc |= slap_destroy();
 980
 981         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
 982                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
 983                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
 984                 ch_free( scp );
 985         }
 986
 987 #ifdef SLAPD_MODULES
 988         module_kill();
 989 #endif
 990
 991         extops_kill();
 992
 993         supported_feature_destroy();
 994         entry_info_destroy();
 995
 996 stop:
 997 #ifdef HAVE_NT_EVENT_LOG
 998         if (is_NT_Service)
 999         lutil_LogStoppedEvent( serverName );
1000 #endif
1001
1002         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
1003
1004
1005 #ifdef HAVE_NT_SERVICE_MANAGER
1006         lutil_ReportShutdownComplete();
1007 #endif
1008
1009 #ifdef LOG_DEBUG
1010     closelog();
1011 #endif
1012         slapd_daemon_destroy();
1013
1014         controls_destroy();
1015
1016         filter_destroy();
1017
1018         schema_destroy();
1019
1020         lutil_passwd_destroy();
1021
1022 #ifdef HAVE_TLS
1023         if ( slap_tls_ld ) {
1024                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1025                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1026         }
1027         ldap_pvt_tls_destroy();
1028 #endif
1029
1030         slap_sasl_regexp_destroy();
1031
1032         if ( slapd_pid_file_unlink ) {
1033                 unlink( slapd_pid_file );
1034         }
1035         if ( slapd_args_file_unlink ) {
1036                 unlink( slapd_args_file );
1037         }
1038
1039         config_destroy();
1040
1041         if ( configfile )
1042                 ch_free( configfile );
1043         if ( configdir )
1044                 ch_free( configdir );
1045         if ( urls )
1046                 ch_free( urls );
1047         if ( global_host )
1048                 ch_free( global_host );
1049
1050         /* kludge, get symbols referenced */
1051         tavl_free( NULL, NULL );
1052
1053 #ifdef CSRIMALLOC
1054         mal_dumpleaktrace( leakfile );
1055 #endif
1056
1057         MAIN_RETURN(rc);
1058 }
1059
1060
1061 #ifdef LDAP_SIGCHLD
1062
1063 /*
1064  *  Catch and discard terminated child processes, to avoid zombies.
1065  */
1066
1067 static RETSIGTYPE
1068 wait4child( int sig )
1069 {
1070     int save_errno = errno;
1071
1072 #ifdef WNOHANG
1073     do
1074         errno = 0;
1075 #ifdef HAVE_WAITPID
1076     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1077 #else
1078     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1079 #endif
1080 #else
1081     (void) wait( NULL );
1082 #endif
1083     (void) SIGNAL_REINSTALL( sig, wait4child );
1084     errno = save_errno;
1085 }
1086
1087 #endif /* LDAP_SIGCHLD */