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 1998-2018 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     );
 350 }
 351
 352 #ifdef HAVE_NT_SERVICE_MANAGER
 353 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 354 #else
 355 int main( int argc, char **argv )
 356 #endif
 357 {
 358         int             i, no_detach = 0;
 359         int             rc = 1;
 360         char *urls = NULL;
 361 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 362         char *username = NULL;
 363         char *groupname = NULL;
 364 #endif
 365 #if defined(HAVE_CHROOT)
 366         char *sandbox = NULL;
 367 #endif
 368 #ifdef SLAP_DEFAULT_SYSLOG_USER
 369         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 370 #endif
 371
 372 #ifndef HAVE_WINSOCK
 373         int pid, waitfds[2];
 374 #endif
 375         int g_argc = argc;
 376         char **g_argv = argv;
 377
 378         char *configfile = NULL;
 379         char *configdir = NULL;
 380         char *serverName;
 381         int serverMode = SLAP_SERVER_MODE;
 382
 383         struct sync_cookie *scp = NULL;
 384         struct sync_cookie *scp_entry = NULL;
 385
 386         char **debug_unknowns = NULL;
 387         char **syslog_unknowns = NULL;
 388
 389         char *serverNamePrefix = "";
 390         size_t  l;
 391
 392         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 393         int firstopt = 1;
 394
 395 #ifdef CSRIMALLOC
 396         FILE *leakfile;
 397         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 398                 leakfile = stderr;
 399         }
 400 #endif
 401
 402         slap_sl_mem_init();
 403
 404         (void) ldap_pvt_thread_initialize();
 405
 406         serverName = lutil_progname( "slapd", argc, argv );
 407
 408         if ( strcmp( serverName, "slapd" ) ) {
 409                 for (i=0; tools[i].name; i++) {
 410                         if ( !strcmp( serverName, tools[i].name ) ) {
 411                                 rc = tools[i].func(argc, argv);
 412                                 MAIN_RETURN(rc);
 413                         }
 414                 }
 415         }
 416
 417 #ifdef HAVE_NT_SERVICE_MANAGER
 418         {
 419                 int *ip;
 420                 char *newConfigFile;
 421                 char *newConfigDir;
 422                 char *newUrls;
 423                 char *regService = NULL;
 424
 425                 if ( is_NT_Service ) {
 426                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 427                         if ( strcmp(serverName, SERVICE_NAME) )
 428                             regService = serverName;
 429                 }
 430
 431                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 432                 if ( ip != NULL ) {
 433                         slap_debug = *ip;
 434                         Debug( LDAP_DEBUG_ANY,
 435                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 436                 }
 437
 438                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 439                 if (newUrls) {
 440                     if (urls)
 441                         ch_free(urls);
 442
 443                     urls = ch_strdup(newUrls);
 444                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 445                                 urls, 0, 0);
 446                 }
 447
 448                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 449                 if ( newConfigFile != NULL ) {
 450                         configfile = ch_strdup(newConfigFile);
 451                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 452                 }
 453
 454                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 455                 if ( newConfigDir != NULL ) {
 456                         configdir = ch_strdup(newConfigDir);
 457                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 458                 }
 459         }
 460 #endif
 461
 462         while ( (i = getopt( argc, argv,
 463                              "c:d:f:F:h:n:o:s:tT:V"
 464 #ifdef LDAP_PF_INET6
 465                                 "46"
 466 #endif
 467 #ifdef HAVE_CHROOT
 468                                 "r:"
 469 #endif
 470 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 471                                 "S:"
 472 #ifdef LOG_LOCAL4
 473                                 "l:"
 474 #endif
 475 #endif
 476 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 477                                 "u:g:"
 478 #endif
 479                              )) != EOF ) {
 480                 switch ( i ) {
 481 #ifdef LDAP_PF_INET6
 482                 case '4':
 483                         slap_inet4or6 = AF_INET;
 484                         break;
 485                 case '6':
 486                         slap_inet4or6 = AF_INET6;
 487                         break;
 488 #endif
 489
 490                 case 'h':       /* listen URLs */
 491                         if ( urls != NULL ) free( urls );
 492                         urls = ch_strdup( optarg );
 493                         break;
 494
 495                 case 'c':       /* provide sync cookie, override if exist in replica */
 496                         scp = (struct sync_cookie *) ch_calloc( 1,
 497                                                                                 sizeof( struct sync_cookie ));
 498                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 499
 500                         /* This only parses out the rid at this point */
 501                         slap_parse_sync_cookie( scp, NULL );
 502
 503                         if ( scp->rid == -1 ) {
 504                                 Debug( LDAP_DEBUG_ANY,
 505                                                 "main: invalid cookie \"%s\"\n",
 506                                                 optarg, 0, 0 );
 507                                 slap_sync_cookie_free( scp, 1 );
 508                                 goto destroy;
 509                         }
 510
 511                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 512                                 if ( scp->rid == scp_entry->rid ) {
 513                                         Debug( LDAP_DEBUG_ANY,
 514                                                     "main: duplicated replica id in cookies\n",
 515                                                         0, 0, 0 );
 516                                         slap_sync_cookie_free( scp, 1 );
 517                                         goto destroy;
 518                                 }
 519                         }
 520                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 521                         break;
 522
 523                 case 'd': {     /* set debug level and 'do not detach' flag */
 524                         int     level = 0;
 525
 526                         if ( strcmp( optarg, "?" ) == 0 ) {
 527                                 check |= CHECK_LOGLEVEL;
 528                                 break;
 529                         }
 530
 531                         no_detach = 1;
 532                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 533                                 goto destroy;
 534                         }
 535 #ifdef LDAP_DEBUG
 536                         slap_debug |= level;
 537 #else
 538                         if ( level != 0 )
 539                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 540                                        stderr );
 541 #endif
 542                         } break;
 543
 544                 case 'f':       /* read config file */
 545                         configfile = ch_strdup( optarg );
 546                         break;
 547
 548                 case 'F':       /* use config dir */
 549                         configdir = ch_strdup( optarg );
 550                         break;
 551
 552                 case 'o': {
 553                         char            *val = strchr( optarg, '=' );
 554                         struct berval   opt;
 555
 556                         opt.bv_val = optarg;
 557
 558                         if ( val ) {
 559                                 opt.bv_len = ( val - optarg );
 560                                 val++;
 561
 562                         } else {
 563                                 opt.bv_len = strlen( optarg );
 564                         }
 565
 566                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 567                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 568                                         assert( option_helpers[i].oh_fnc != NULL );
 569                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 570                                                 /* we assume the option parsing helper
 571                                                  * issues appropriate and self-explanatory
 572                                                  * error messages... */
 573                                                 goto stop;
 574                                         }
 575                                         break;
 576                                 }
 577                         }
 578
 579                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 580                                 goto unhandled_option;
 581                         }
 582                         break;
 583                 }
 584
 585                 case 's':       /* set syslog level */
 586                         if ( strcmp( optarg, "?" ) == 0 ) {
 587                                 check |= CHECK_LOGLEVEL;
 588                                 break;
 589                         }
 590
 591                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 592                                 goto destroy;
 593                         }
 594                         break;
 595
 596 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 597                 case 'S':
 598                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 599                                 goto destroy;
 600                         }
 601                         break;
 602
 603 #ifdef LOG_LOCAL4
 604                 case 'l':       /* set syslog local user */
 605                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 606                                 goto destroy;
 607                         }
 608                         break;
 609 #endif
 610 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 611
 612 #ifdef HAVE_CHROOT
 613                 case 'r':
 614                         if( sandbox ) free(sandbox);
 615                         sandbox = ch_strdup( optarg );
 616                         break;
 617 #endif
 618
 619 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 620                 case 'u':       /* user name */
 621                         if( username ) free(username);
 622                         username = ch_strdup( optarg );
 623                         break;
 624
 625                 case 'g':       /* group name */
 626                         if( groupname ) free(groupname);
 627                         groupname = ch_strdup( optarg );
 628                         break;
 629 #endif /* SETUID && GETUID */
 630
 631                 case 'n':  /* NT service name */
 632                         serverName = ch_strdup( optarg );
 633                         break;
 634
 635                 case 't':
 636                         /* deprecated; use slaptest instead */
 637                         fprintf( stderr, "option -t deprecated; "
 638                                 "use slaptest command instead\n" );
 639                         check |= CHECK_CONFIG;
 640                         break;
 641
 642                 case 'V':
 643                         version++;
 644                         break;
 645
 646                 case 'T':
 647                         if ( firstopt == 0 ) {
 648                                 fprintf( stderr, "warning: \"-T %s\" "
 649                                         "should be the first option.\n",
 650                                         optarg );
 651                         }
 652
 653                         /* try full option string first */
 654                         for ( i = 0; tools[i].name; i++ ) {
 655                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 656                                         rc = tools[i].func( argc, argv );
 657                                         MAIN_RETURN( rc );
 658                                 }
 659                         }
 660
 661                         /* try bits of option string (backward compatibility for single char) */
 662                         l = strlen( optarg );
 663                         for ( i = 0; tools[i].name; i++ ) {
 664                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 665                                         rc = tools[i].func( argc, argv );
 666                                         MAIN_RETURN( rc );
 667                                 }
 668                         }
 669
 670                         /* issue error */
 671                         serverName = optarg;
 672                         serverNamePrefix = "slap";
 673                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 674                                         "aborting...\n", serverNamePrefix, serverName );
 675                         /* FALLTHRU */
 676                 default:
 677 unhandled_option:;
 678                         usage( argv[0] );
 679                         rc = 1;
 680                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 681                         goto stop;
 682                 }
 683
 684                 if ( firstopt ) {
 685                         firstopt = 0;
 686                 }
 687         }
 688
 689         if ( optind != argc )
 690                 goto unhandled_option;
 691
 692         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 693         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 694         ldif_debug = slap_debug;
 695
 696         if ( version ) {
 697                 fprintf( stderr, "%s\n", Versionstr );
 698                 if ( version > 2 ) {
 699                         if ( slap_oinfo[0].ov_type ) {
 700                                 fprintf( stderr, "Included static overlays:\n");
 701                                 for ( i= 0 ; slap_oinfo[i].ov_type; i++ ) {
 702                                         fprintf( stderr, "    %s\n", slap_oinfo[i].ov_type );
 703                                 }
 704                         }
 705                         if ( slap_binfo[0].bi_type ) {
 706                                 fprintf( stderr, "Included static backends:\n");
 707                                 for ( i= 0 ; slap_binfo[i].bi_type; i++ ) {
 708                                         fprintf( stderr, "    %s\n", slap_binfo[i].bi_type );
 709                                 }
 710                         }
 711                 }
 712
 713                 if ( version > 1 ) goto stop;
 714         }
 715
 716 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 717         {
 718                 char *logName;
 719 #ifdef HAVE_EBCDIC
 720                 logName = ch_strdup( serverName );
 721                 __atoe( logName );
 722 #else
 723                 logName = serverName;
 724 #endif
 725
 726 #ifdef LOG_LOCAL4
 727                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 728 #elif defined LOG_DEBUG
 729                 openlog( logName, OPENLOG_OPTIONS );
 730 #endif
 731 #ifdef HAVE_EBCDIC
 732                 free( logName );
 733 #endif
 734         }
 735 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 736
 737         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 738
 739         global_host = ldap_pvt_get_fqdn( NULL );
 740         ber_str2bv( global_host, 0, 0, &global_host_bv );
 741
 742         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 743                 rc = 1;
 744                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 745                 goto stop;
 746         }
 747
 748 #if defined(HAVE_CHROOT)
 749         if ( sandbox ) {
 750                 if ( chdir( sandbox ) ) {
 751                         perror("chdir");
 752                         rc = 1;
 753                         goto stop;
 754                 }
 755                 if ( chroot( sandbox ) ) {
 756                         perror("chroot");
 757                         rc = 1;
 758                         goto stop;
 759                 }
 760                 if ( chdir( "/" ) ) {
 761                         perror("chdir");
 762                         rc = 1;
 763                         goto stop;
 764                 }
 765         }
 766 #endif
 767
 768 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 769         if ( username != NULL || groupname != NULL ) {
 770                 slap_init_user( username, groupname );
 771         }
 772 #endif
 773
 774         extops_init();
 775         lutil_passwd_init();
 776
 777 #ifdef HAVE_TLS
 778         rc = ldap_create( &slap_tls_ld );
 779         if ( rc ) {
 780                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 781                 goto destroy;
 782         }
 783         /* Library defaults to full certificate checking. This is correct when
 784          * a client is verifying a server because all servers should have a
 785          * valid cert. But few clients have valid certs, so we want our default
 786          * to be no checking. The config file can override this as usual.
 787          */
 788         rc = LDAP_OPT_X_TLS_NEVER;
 789         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 790 #endif
 791
 792         rc = slap_init( serverMode, serverName );
 793         if ( rc ) {
 794                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 795                 goto destroy;
 796         }
 797
 798         if ( read_config( configfile, configdir ) != 0 ) {
 799                 rc = 1;
 800                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 801
 802                 if ( check & CHECK_CONFIG ) {
 803                         fprintf( stderr, "config check failed\n" );
 804                 }
 805
 806                 goto destroy;
 807         }
 808
 809         if ( debug_unknowns ) {
 810                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 811                 ldap_charray_free( debug_unknowns );
 812                 debug_unknowns = NULL;
 813                 if ( rc )
 814                         goto destroy;
 815         }
 816         if ( syslog_unknowns ) {
 817                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 818                 ldap_charray_free( syslog_unknowns );
 819                 syslog_unknowns = NULL;
 820                 if ( rc )
 821                         goto destroy;
 822         }
 823
 824         if ( check & CHECK_LOGLEVEL ) {
 825                 rc = 0;
 826                 goto destroy;
 827         }
 828
 829         if ( check & CHECK_CONFIG ) {
 830                 fprintf( stderr, "config check succeeded\n" );
 831
 832                 check &= ~CHECK_CONFIG;
 833                 if ( check == CHECK_NONE ) {
 834                         rc = 0;
 835                         goto destroy;
 836                 }
 837         }
 838
 839         if ( glue_sub_attach( 0 ) != 0 ) {
 840                 Debug( LDAP_DEBUG_ANY,
 841                     "subordinate config error\n",
 842                     0, 0, 0 );
 843
 844                 goto destroy;
 845         }
 846
 847         if ( slap_schema_check( ) != 0 ) {
 848                 Debug( LDAP_DEBUG_ANY,
 849                     "schema prep error\n",
 850                     0, 0, 0 );
 851
 852                 goto destroy;
 853         }
 854
 855 #ifdef HAVE_TLS
 856         rc = ldap_pvt_tls_init();
 857         if( rc != 0) {
 858                 Debug( LDAP_DEBUG_ANY,
 859                     "main: TLS init failed: %d\n",
 860                     rc, 0, 0 );
 861                 rc = 1;
 862                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 863                 goto destroy;
 864         }
 865
 866         {
 867                 int opt = 1;
 868
 869                 /* Force new ctx to be created */
 870                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 871                 if( rc == 0 ) {
 872                         /* The ctx's refcount is bumped up here */
 873                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 874                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 875                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 876                         Debug( LDAP_DEBUG_ANY,
 877                             "main: TLS init def ctx failed: %d\n",
 878                             rc, 0, 0 );
 879                         rc = 1;
 880                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 881                         goto destroy;
 882                 }
 883         }
 884 #endif
 885
 886 #ifdef HAVE_CYRUS_SASL
 887         if( sasl_host == NULL ) {
 888                 sasl_host = ch_strdup( global_host );
 889         }
 890 #endif
 891
 892         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 893         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 894
 895 #ifdef SIGPIPE
 896         (void) SIGNAL( SIGPIPE, SIG_IGN );
 897 #endif
 898 #ifdef SIGHUP
 899         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 900 #endif
 901         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 902         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 903 #ifdef SIGTRAP
 904         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 905 #endif
 906 #ifdef LDAP_SIGCHLD
 907         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 908 #endif
 909 #ifdef SIGBREAK
 910         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 911         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 912 #endif
 913
 914 #ifndef HAVE_WINSOCK
 915         if ( !no_detach ) {
 916                 if ( lutil_pair( waitfds ) < 0 ) {
 917                         Debug( LDAP_DEBUG_ANY,
 918                                 "main: lutil_pair failed: %d\n",
 919                                 0, 0, 0 );
 920                         rc = 1;
 921                         goto destroy;
 922                 }
 923                 pid = lutil_detach( no_detach, 0 );
 924                 if ( pid ) {
 925                         char buf[4];
 926                         rc = EXIT_SUCCESS;
 927                         close( waitfds[1] );
 928                         if ( read( waitfds[0], buf, 1 ) != 1 )
 929                                 rc = EXIT_FAILURE;
 930                         _exit( rc );
 931                 } else {
 932                         close( waitfds[0] );
 933                 }
 934         }
 935 #endif /* HAVE_WINSOCK */
 936
 937 #ifdef CSRIMALLOC
 938         mal_leaktrace(1);
 939 #endif
 940
 941         if ( slapd_pid_file != NULL ) {
 942                 FILE *fp = fopen( slapd_pid_file, "w" );
 943
 944                 if ( fp == NULL ) {
 945                         int save_errno = errno;
 946
 947                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 948                                 "\"%s\": %d (%s)\n",
 949                                 slapd_pid_file,
 950                                 save_errno, strerror( save_errno ) );
 951
 952                         free( slapd_pid_file );
 953                         slapd_pid_file = NULL;
 954
 955                         rc = 1;
 956                         goto destroy;
 957                 }
 958                 fprintf( fp, "%d\n", (int) getpid() );
 959                 fclose( fp );
 960                 slapd_pid_file_unlink = 1;
 961         }
 962
 963         if ( slapd_args_file != NULL ) {
 964                 FILE *fp = fopen( slapd_args_file, "w" );
 965
 966                 if ( fp == NULL ) {
 967                         int save_errno = errno;
 968
 969                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 970                                 "\"%s\": %d (%s)\n",
 971                                 slapd_args_file,
 972                                 save_errno, strerror( save_errno ) );
 973
 974                         free( slapd_args_file );
 975                         slapd_args_file = NULL;
 976
 977                         rc = 1;
 978                         goto destroy;
 979                 }
 980
 981                 for ( i = 0; i < g_argc; i++ ) {
 982                         fprintf( fp, "%s ", g_argv[i] );
 983                 }
 984                 fprintf( fp, "\n" );
 985                 fclose( fp );
 986                 slapd_args_file_unlink = 1;
 987         }
 988
 989         /*
 990          * FIXME: moved here from slapd_daemon_task()
 991          * because back-monitor db_open() needs it
 992          */
 993         time( &starttime );
 994
 995         connections_init();
 996
 997         if ( slap_startup( NULL ) != 0 ) {
 998                 rc = 1;
 999                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
1000                 goto shutdown;
1001         }
1002
1003         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
1004
1005 #ifndef HAVE_WINSOCK
1006         if ( !no_detach ) {
1007                 write( waitfds[1], "1", 1 );
1008                 close( waitfds[1] );
1009         }
1010 #endif
1011
1012 #ifdef HAVE_NT_EVENT_LOG
1013         if (is_NT_Service)
1014         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
1015                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
1016 #endif
1017
1018         rc = slapd_daemon();
1019
1020 #ifdef HAVE_NT_SERVICE_MANAGER
1021         /* Throw away the event that we used during the startup process. */
1022         if ( is_NT_Service )
1023                 ldap_pvt_thread_cond_destroy( &started_event );
1024 #endif
1025
1026 shutdown:
1027         /* remember an error during shutdown */
1028         rc |= slap_shutdown( NULL );
1029
1030 destroy:
1031         if ( check & CHECK_LOGLEVEL ) {
1032                 (void)loglevel_print( stdout );
1033         }
1034         /* remember an error during destroy */
1035         rc |= slap_destroy();
1036
1037         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
1038                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
1039                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
1040                 ch_free( scp );
1041         }
1042
1043 #ifdef SLAPD_MODULES
1044         module_kill();
1045 #endif
1046
1047         extops_kill();
1048
1049         supported_feature_destroy();
1050         entry_info_destroy();
1051
1052 stop:
1053 #ifdef HAVE_NT_EVENT_LOG
1054         if (is_NT_Service)
1055         lutil_LogStoppedEvent( serverName );
1056 #endif
1057
1058         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
1059
1060
1061 #ifdef HAVE_NT_SERVICE_MANAGER
1062         lutil_ReportShutdownComplete();
1063 #endif
1064
1065 #ifdef LOG_DEBUG
1066     closelog();
1067 #endif
1068         slapd_daemon_destroy();
1069
1070         controls_destroy();
1071
1072         filter_destroy();
1073
1074         schema_destroy();
1075
1076         lutil_passwd_destroy();
1077
1078 #ifdef HAVE_TLS
1079         if ( slap_tls_ld ) {
1080                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1081                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1082         }
1083         ldap_pvt_tls_destroy();
1084 #endif
1085
1086         slap_sasl_regexp_destroy();
1087
1088         if ( slapd_pid_file_unlink ) {
1089                 unlink( slapd_pid_file );
1090         }
1091         if ( slapd_args_file_unlink ) {
1092                 unlink( slapd_args_file );
1093         }
1094
1095         config_destroy();
1096
1097         if ( configfile )
1098                 ch_free( configfile );
1099         if ( configdir )
1100                 ch_free( configdir );
1101         if ( urls )
1102                 ch_free( urls );
1103         if ( global_host )
1104                 ch_free( global_host );
1105
1106         /* kludge, get symbols referenced */
1107         tavl_free( NULL, NULL );
1108
1109 #ifdef CSRIMALLOC
1110         mal_dumpleaktrace( leakfile );
1111 #endif
1112
1113         MAIN_RETURN(rc);
1114 }
1115
1116
1117 #ifdef LDAP_SIGCHLD
1118
1119 /*
1120  *  Catch and discard terminated child processes, to avoid zombies.
1121  */
1122
1123 static RETSIGTYPE
1124 wait4child( int sig )
1125 {
1126     int save_errno = errno;
1127
1128 #ifdef WNOHANG
1129     do
1130         errno = 0;
1131 #ifdef HAVE_WAITPID
1132     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1133 #else
1134     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1135 #endif
1136 #else
1137     (void) wait( NULL );
1138 #endif
1139     (void) SIGNAL_REINSTALL( sig, wait4child );
1140     errno = save_errno;
1141 }
1142
1143 #endif /* LDAP_SIGCHLD */