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 1998-2014 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  16  * All rights reserved.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * provided that this notice is preserved and that due credit is given
  20  * to the University of Michigan at Ann Arbor. The name of the University
  21  * may not be used to endorse or promote products derived from this
  22  * software without specific prior written permission. This software
  23  * is provided ``as is'' without express or implied warranty.
  24  */
  25
  26 #include "portable.h"
  27
  28 #include <stdio.h>
  29
  30 #include <ac/ctype.h>
  31 #include <ac/socket.h>
  32 #include <ac/string.h>
  33 #include <ac/time.h>
  34 #include <ac/unistd.h>
  35 #include <ac/wait.h>
  36 #include <ac/errno.h>
  37
  38 #include "slap.h"
  39 #include "lutil.h"
  40 #include "ldif.h"
  41
  42 #ifdef LDAP_SLAPI
  43 #include "slapi/slapi.h"
  44 #endif
  45
  46 #ifdef LDAP_SIGCHLD
  47 static RETSIGTYPE wait4child( int sig );
  48 #endif
  49
  50 #ifdef HAVE_NT_SERVICE_MANAGER
  51 #define MAIN_RETURN(x) return
  52 static struct sockaddr_in       bind_addr;
  53
  54 #define SERVICE_EXIT( e, n )    do { \
  55         if ( is_NT_Service ) { \
  56                 lutil_ServiceStatus.dwWin32ExitCode                             = (e); \
  57                 lutil_ServiceStatus.dwServiceSpecificExitCode   = (n); \
  58         } \
  59 } while ( 0 )
  60
  61 #else
  62 #define SERVICE_EXIT( e, n )
  63 #define MAIN_RETURN(x) return(x)
  64 #endif
  65
  66 typedef int (MainFunc) LDAP_P(( int argc, char *argv[] ));
  67 extern MainFunc slapadd, slapcat, slapdn, slapindex, slappasswd,
  68         slaptest, slapauth, slapacl, slapschema;
  69
  70 static struct {
  71         char *name;
  72         MainFunc *func;
  73 } tools[] = {
  74         {"slapadd", slapadd},
  75         {"slapcat", slapcat},
  76         {"slapdn", slapdn},
  77         {"slapindex", slapindex},
  78         {"slappasswd", slappasswd},
  79         {"slapschema", slapschema},
  80         {"slaptest", slaptest},
  81         {"slapauth", slapauth},
  82         {"slapacl", slapacl},
  83         /* NOTE: new tools must be added in chronological order,
  84          * not in alphabetical order, because for backwards
  85          * compatibility name[4] is used to identify the
  86          * tools; so name[4]=='a' must refer to "slapadd" and
  87          * not to "slapauth".  Alphabetical order can be used
  88          * for tools whose name[4] is not used yet */
  89         {NULL, NULL}
  90 };
  91
  92 /*
  93  * when more than one slapd is running on one machine, each one might have
  94  * it's own LOCAL for syslogging and must have its own pid/args files
  95  */
  96
  97 #ifndef HAVE_MKVERSION
  98 const char Versionstr[] =
  99         OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
 100 #endif
 101
 102 extern OverlayInit slap_oinfo[];
 103 extern BackendInfo slap_binfo[];
 104
 105 #define CHECK_NONE      0x00
 106 #define CHECK_CONFIG    0x01
 107 #define CHECK_LOGLEVEL  0x02
 108 static int check = CHECK_NONE;
 109 static int version = 0;
 110
 111 void *slap_tls_ctx;
 112 LDAP *slap_tls_ld;
 113
 114 static int
 115 slapd_opt_slp( const char *val, void *arg )
 116 {
 117 #ifdef HAVE_SLP
 118         /* NULL is default */
 119         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 120                 slapd_register_slp = 1;
 121                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 122
 123         } else if ( strcasecmp( val, "off" ) == 0 ) {
 124                 slapd_register_slp = 0;
 125
 126         /* NOTE: add support for URL specification? */
 127
 128         } else {
 129                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 130                 return -1;
 131         }
 132
 133         return 0;
 134
 135 #else
 136         fputs( "slapd: SLP support is not available\n", stderr );
 137         return 0;
 138 #endif
 139 }
 140
 141 /*
 142  * Option helper structure:
 143  *
 144  * oh_nam       is left-hand part of <option>[=<value>]
 145  * oh_fnc       is handler function
 146  * oh_arg       is an optional arg to oh_fnc
 147  * oh_usage     is the one-line usage string related to the option,
 148  *              which is assumed to start with <option>[=<value>]
 149  *
 150  * please leave valid options in the structure, and optionally #ifdef
 151  * their processing inside the helper, so that reasonable and helpful
 152  * error messages can be generated if a disabled option is requested.
 153  */
 154 struct option_helper {
 155         struct berval   oh_name;
 156         int             (*oh_fnc)(const char *val, void *arg);
 157         void            *oh_arg;
 158         const char      *oh_usage;
 159 } option_helpers[] = {
 160         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 161         { BER_BVNULL, 0, NULL, NULL }
 162 };
 163
 164 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 165 #ifdef LOG_LOCAL4
 166 int
 167 parse_syslog_user( const char *arg, int *syslogUser )
 168 {
 169         static slap_verbmasks syslogUsers[] = {
 170                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 171                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 172                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 173                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 174                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 175                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 176                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 177                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 178 #ifdef LOG_USER
 179                 { BER_BVC( "USER" ), LOG_USER },
 180 #endif /* LOG_USER */
 181 #ifdef LOG_DAEMON
 182                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 183 #endif /* LOG_DAEMON */
 184                 { BER_BVNULL, 0 }
 185         };
 186         int i = verb_to_mask( arg, syslogUsers );
 187
 188         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 189                 Debug( LDAP_DEBUG_ANY,
 190                         "unrecognized syslog user \"%s\".\n",
 191                         arg, 0, 0 );
 192                 return 1;
 193         }
 194
 195         *syslogUser = syslogUsers[ i ].mask;
 196
 197         return 0;
 198 }
 199 #endif /* LOG_LOCAL4 */
 200
 201 int
 202 parse_syslog_level( const char *arg, int *levelp )
 203 {
 204         static slap_verbmasks   str2syslog_level[] = {
 205                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 206                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 207                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 208                 { BER_BVC( "ERR" ),     LOG_ERR },
 209                 { BER_BVC( "WARNING" ), LOG_WARNING },
 210                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 211                 { BER_BVC( "INFO" ),    LOG_INFO },
 212                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 213                 { BER_BVNULL, 0 }
 214         };
 215         int i = verb_to_mask( arg, str2syslog_level );
 216         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 217                 Debug( LDAP_DEBUG_ANY,
 218                         "unknown syslog level \"%s\".\n",
 219                         arg, 0, 0 );
 220                 return 1;
 221         }
 222
 223         *levelp = str2syslog_level[ i ].mask;
 224
 225         return 0;
 226 }
 227 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 228
 229 int
 230 parse_debug_unknowns( char **unknowns, int *levelp )
 231 {
 232         int i, level, rc = 0;
 233
 234         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 235                 level = 0;
 236                 if ( str2loglevel( unknowns[ i ], &level )) {
 237                         fprintf( stderr,
 238                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 239                         rc = 1;
 240                 } else {
 241                         *levelp |= level;
 242                 }
 243         }
 244         return rc;
 245 }
 246
 247 int
 248 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 249 {
 250         int     level;
 251
 252         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 253         {
 254                 int     i;
 255                 char    **levels;
 256
 257                 levels = ldap_str2charray( arg, "," );
 258
 259                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 260                         level = 0;
 261
 262                         if ( str2loglevel( levels[ i ], &level ) ) {
 263                                 /* remember this for later */
 264                                 ldap_charray_add( unknowns, levels[ i ] );
 265                                 fprintf( stderr,
 266                                         "unrecognized log level \"%s\" (deferred)\n",
 267                                         levels[ i ] );
 268                         } else {
 269                                 *levelp |= level;
 270                         }
 271                 }
 272
 273                 ldap_charray_free( levels );
 274
 275         } else {
 276                 int rc;
 277
 278                 if ( arg[0] == '-' ) {
 279                         rc = lutil_atoix( &level, arg, 0 );
 280                 } else {
 281                         unsigned ulevel;
 282
 283                         rc = lutil_atoux( &ulevel, arg, 0 );
 284                         level = (int)ulevel;
 285                 }
 286
 287                 if ( rc ) {
 288                         fprintf( stderr,
 289                                 "unrecognized log level "
 290                                 "\"%s\"\n", arg );
 291                         return 1;
 292                 }
 293
 294                 if ( level == 0 ) {
 295                         *levelp = 0;
 296
 297                 } else {
 298                         *levelp |= level;
 299                 }
 300         }
 301
 302         return 0;
 303 }
 304
 305 static void
 306 usage( char *name )
 307 {
 308         fprintf( stderr,
 309                 "usage: %s options\n", name );
 310         fprintf( stderr,
 311                 "\t-4\t\tIPv4 only\n"
 312                 "\t-6\t\tIPv6 only\n"
 313                 "\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
 314                 "\t\t\tRun in Tool mode\n"
 315                 "\t-c cookie\tSync cookie of consumer\n"
 316                 "\t-d level\tDebug level" "\n"
 317                 "\t-f filename\tConfiguration file\n"
 318                 "\t-F dir\tConfiguration directory\n"
 319 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 320                 "\t-g group\tGroup (id or name) to run as\n"
 321 #endif
 322                 "\t-h URLs\t\tList of URLs to serve\n"
 323 #ifdef SLAP_DEFAULT_SYSLOG_USER
 324                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 325 #endif
 326                 "\t-n serverName\tService name\n"
 327                 "\t-o <opt>[=val] generic means to specify options" );
 328         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 329                 int     i;
 330
 331                 fprintf( stderr, "; supported options:\n" );
 332                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 333                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 334                 }
 335         } else {
 336                 fprintf( stderr, "\n" );
 337         }
 338         fprintf( stderr,
 339 #ifdef HAVE_CHROOT
 340                 "\t-r directory\tSandbox directory to chroot to\n"
 341 #endif
 342                 "\t-s level\tSyslog level\n"
 343 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 344                 "\t-u user\t\tUser (id or name) to run as\n"
 345 #endif
 346                 "\t-V\t\tprint version info (-VV exit afterwards, -VVV print\n"
 347                 "\t\t\tinfo about static overlays and backends)\n"
 348     );
 349 }
 350
 351 #ifdef HAVE_NT_SERVICE_MANAGER
 352 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 353 #else
 354 int main( int argc, char **argv )
 355 #endif
 356 {
 357         int             i, no_detach = 0;
 358         int             rc = 1;
 359         char *urls = NULL;
 360 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 361         char *username = NULL;
 362         char *groupname = NULL;
 363 #endif
 364 #if defined(HAVE_CHROOT)
 365         char *sandbox = NULL;
 366 #endif
 367 #ifdef SLAP_DEFAULT_SYSLOG_USER
 368         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 369 #endif
 370
 371 #ifndef HAVE_WINSOCK
 372         int pid, waitfds[2];
 373 #endif
 374         int g_argc = argc;
 375         char **g_argv = argv;
 376
 377         char *configfile = NULL;
 378         char *configdir = NULL;
 379         char *serverName;
 380         int serverMode = SLAP_SERVER_MODE;
 381
 382         struct sync_cookie *scp = NULL;
 383         struct sync_cookie *scp_entry = NULL;
 384
 385         char **debug_unknowns = NULL;
 386         char **syslog_unknowns = NULL;
 387
 388         char *serverNamePrefix = "";
 389         size_t  l;
 390
 391         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 392         int firstopt = 1;
 393
 394 #ifdef CSRIMALLOC
 395         FILE *leakfile;
 396         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 397                 leakfile = stderr;
 398         }
 399 #endif
 400
 401         slap_sl_mem_init();
 402
 403         (void) ldap_pvt_thread_initialize();
 404
 405         serverName = lutil_progname( "slapd", argc, argv );
 406
 407         if ( strcmp( serverName, "slapd" ) ) {
 408                 for (i=0; tools[i].name; i++) {
 409                         if ( !strcmp( serverName, tools[i].name ) ) {
 410                                 rc = tools[i].func(argc, argv);
 411                                 MAIN_RETURN(rc);
 412                         }
 413                 }
 414         }
 415
 416 #ifdef HAVE_NT_SERVICE_MANAGER
 417         {
 418                 int *ip;
 419                 char *newConfigFile;
 420                 char *newConfigDir;
 421                 char *newUrls;
 422                 char *regService = NULL;
 423
 424                 if ( is_NT_Service ) {
 425                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 426                         if ( strcmp(serverName, SERVICE_NAME) )
 427                             regService = serverName;
 428                 }
 429
 430                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 431                 if ( ip != NULL ) {
 432                         slap_debug = *ip;
 433                         Debug( LDAP_DEBUG_ANY,
 434                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 435                 }
 436
 437                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 438                 if (newUrls) {
 439                     if (urls)
 440                         ch_free(urls);
 441
 442                     urls = ch_strdup(newUrls);
 443                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 444                                 urls, 0, 0);
 445                 }
 446
 447                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 448                 if ( newConfigFile != NULL ) {
 449                         configfile = ch_strdup(newConfigFile);
 450                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 451                 }
 452
 453                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 454                 if ( newConfigDir != NULL ) {
 455                         configdir = ch_strdup(newConfigDir);
 456                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 457                 }
 458         }
 459 #endif
 460
 461         while ( (i = getopt( argc, argv,
 462                              "c:d:f:F:h:n:o:s:tT:V"
 463 #ifdef LDAP_PF_INET6
 464                                 "46"
 465 #endif
 466 #ifdef HAVE_CHROOT
 467                                 "r:"
 468 #endif
 469 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 470                                 "S:"
 471 #ifdef LOG_LOCAL4
 472                                 "l:"
 473 #endif
 474 #endif
 475 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 476                                 "u:g:"
 477 #endif
 478                              )) != EOF ) {
 479                 switch ( i ) {
 480 #ifdef LDAP_PF_INET6
 481                 case '4':
 482                         slap_inet4or6 = AF_INET;
 483                         break;
 484                 case '6':
 485                         slap_inet4or6 = AF_INET6;
 486                         break;
 487 #endif
 488
 489                 case 'h':       /* listen URLs */
 490                         if ( urls != NULL ) free( urls );
 491                         urls = ch_strdup( optarg );
 492                         break;
 493
 494                 case 'c':       /* provide sync cookie, override if exist in replica */
 495                         scp = (struct sync_cookie *) ch_calloc( 1,
 496                                                                                 sizeof( struct sync_cookie ));
 497                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 498
 499                         /* This only parses out the rid at this point */
 500                         slap_parse_sync_cookie( scp, NULL );
 501
 502                         if ( scp->rid == -1 ) {
 503                                 Debug( LDAP_DEBUG_ANY,
 504                                                 "main: invalid cookie \"%s\"\n",
 505                                                 optarg, 0, 0 );
 506                                 slap_sync_cookie_free( scp, 1 );
 507                                 goto destroy;
 508                         }
 509
 510                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 511                                 if ( scp->rid == scp_entry->rid ) {
 512                                         Debug( LDAP_DEBUG_ANY,
 513                                                     "main: duplicated replica id in cookies\n",
 514                                                         0, 0, 0 );
 515                                         slap_sync_cookie_free( scp, 1 );
 516                                         goto destroy;
 517                                 }
 518                         }
 519                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 520                         break;
 521
 522                 case 'd': {     /* set debug level and 'do not detach' flag */
 523                         int     level = 0;
 524
 525                         if ( strcmp( optarg, "?" ) == 0 ) {
 526                                 check |= CHECK_LOGLEVEL;
 527                                 break;
 528                         }
 529
 530                         no_detach = 1;
 531                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 532                                 goto destroy;
 533                         }
 534 #ifdef LDAP_DEBUG
 535                         slap_debug |= level;
 536 #else
 537                         if ( level != 0 )
 538                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 539                                        stderr );
 540 #endif
 541                         } break;
 542
 543                 case 'f':       /* read config file */
 544                         configfile = ch_strdup( optarg );
 545                         break;
 546
 547                 case 'F':       /* use config dir */
 548                         configdir = ch_strdup( optarg );
 549                         break;
 550
 551                 case 'o': {
 552                         char            *val = strchr( optarg, '=' );
 553                         struct berval   opt;
 554
 555                         opt.bv_val = optarg;
 556
 557                         if ( val ) {
 558                                 opt.bv_len = ( val - optarg );
 559                                 val++;
 560
 561                         } else {
 562                                 opt.bv_len = strlen( optarg );
 563                         }
 564
 565                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 566                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 567                                         assert( option_helpers[i].oh_fnc != NULL );
 568                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 569                                                 /* we assume the option parsing helper
 570                                                  * issues appropriate and self-explanatory
 571                                                  * error messages... */
 572                                                 goto stop;
 573                                         }
 574                                         break;
 575                                 }
 576                         }
 577
 578                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 579                                 goto unhandled_option;
 580                         }
 581                         break;
 582                 }
 583
 584                 case 's':       /* set syslog level */
 585                         if ( strcmp( optarg, "?" ) == 0 ) {
 586                                 check |= CHECK_LOGLEVEL;
 587                                 break;
 588                         }
 589
 590                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 591                                 goto destroy;
 592                         }
 593                         break;
 594
 595 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 596                 case 'S':
 597                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 598                                 goto destroy;
 599                         }
 600                         break;
 601
 602 #ifdef LOG_LOCAL4
 603                 case 'l':       /* set syslog local user */
 604                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 605                                 goto destroy;
 606                         }
 607                         break;
 608 #endif
 609 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 610
 611 #ifdef HAVE_CHROOT
 612                 case 'r':
 613                         if( sandbox ) free(sandbox);
 614                         sandbox = ch_strdup( optarg );
 615                         break;
 616 #endif
 617
 618 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 619                 case 'u':       /* user name */
 620                         if( username ) free(username);
 621                         username = ch_strdup( optarg );
 622                         break;
 623
 624                 case 'g':       /* group name */
 625                         if( groupname ) free(groupname);
 626                         groupname = ch_strdup( optarg );
 627                         break;
 628 #endif /* SETUID && GETUID */
 629
 630                 case 'n':  /* NT service name */
 631                         serverName = ch_strdup( optarg );
 632                         break;
 633
 634                 case 't':
 635                         /* deprecated; use slaptest instead */
 636                         fprintf( stderr, "option -t deprecated; "
 637                                 "use slaptest command instead\n" );
 638                         check |= CHECK_CONFIG;
 639                         break;
 640
 641                 case 'V':
 642                         version++;
 643                         break;
 644
 645                 case 'T':
 646                         if ( firstopt == 0 ) {
 647                                 fprintf( stderr, "warning: \"-T %s\" "
 648                                         "should be the first option.\n",
 649                                         optarg );
 650                         }
 651
 652                         /* try full option string first */
 653                         for ( i = 0; tools[i].name; i++ ) {
 654                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 655                                         rc = tools[i].func( argc, argv );
 656                                         MAIN_RETURN( rc );
 657                                 }
 658                         }
 659
 660                         /* try bits of option string (backward compatibility for single char) */
 661                         l = strlen( optarg );
 662                         for ( i = 0; tools[i].name; i++ ) {
 663                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 664                                         rc = tools[i].func( argc, argv );
 665                                         MAIN_RETURN( rc );
 666                                 }
 667                         }
 668
 669                         /* issue error */
 670                         serverName = optarg;
 671                         serverNamePrefix = "slap";
 672                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 673                                         "aborting...\n", serverNamePrefix, serverName );
 674                         /* FALLTHRU */
 675                 default:
 676 unhandled_option:;
 677                         usage( argv[0] );
 678                         rc = 1;
 679                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 680                         goto stop;
 681                 }
 682
 683                 if ( firstopt ) {
 684                         firstopt = 0;
 685                 }
 686         }
 687
 688         if ( optind != argc )
 689                 goto unhandled_option;
 690
 691         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 692         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 693         ldif_debug = slap_debug;
 694
 695         if ( version ) {
 696                 fprintf( stderr, "%s\n", Versionstr );
 697                 if ( version > 2 ) {
 698                         if ( slap_oinfo[0].ov_type ) {
 699                                 fprintf( stderr, "Included static overlays:\n");
 700                                 for ( i= 0 ; slap_oinfo[i].ov_type; i++ ) {
 701                                         fprintf( stderr, "    %s\n", slap_oinfo[i].ov_type );
 702                                 }
 703                         }
 704                         if ( slap_binfo[0].bi_type ) {
 705                                 fprintf( stderr, "Included static backends:\n");
 706                                 for ( i= 0 ; slap_binfo[i].bi_type; i++ ) {
 707                                         fprintf( stderr, "    %s\n", slap_binfo[i].bi_type );
 708                                 }
 709                         }
 710                 }
 711
 712                 if ( version > 1 ) goto stop;
 713         }
 714
 715 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 716         {
 717                 char *logName;
 718 #ifdef HAVE_EBCDIC
 719                 logName = ch_strdup( serverName );
 720                 __atoe( logName );
 721 #else
 722                 logName = serverName;
 723 #endif
 724
 725 #ifdef LOG_LOCAL4
 726                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 727 #elif defined LOG_DEBUG
 728                 openlog( logName, OPENLOG_OPTIONS );
 729 #endif
 730 #ifdef HAVE_EBCDIC
 731                 free( logName );
 732 #endif
 733         }
 734 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 735
 736         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 737
 738         global_host = ldap_pvt_get_fqdn( NULL );
 739         ber_str2bv( global_host, 0, 0, &global_host_bv );
 740
 741         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 742                 rc = 1;
 743                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 744                 goto stop;
 745         }
 746
 747 #if defined(HAVE_CHROOT)
 748         if ( sandbox ) {
 749                 if ( chdir( sandbox ) ) {
 750                         perror("chdir");
 751                         rc = 1;
 752                         goto stop;
 753                 }
 754                 if ( chroot( sandbox ) ) {
 755                         perror("chroot");
 756                         rc = 1;
 757                         goto stop;
 758                 }
 759                 if ( chdir( "/" ) ) {
 760                         perror("chdir");
 761                         rc = 1;
 762                         goto stop;
 763                 }
 764         }
 765 #endif
 766
 767 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 768         if ( username != NULL || groupname != NULL ) {
 769                 slap_init_user( username, groupname );
 770         }
 771 #endif
 772
 773         extops_init();
 774         lutil_passwd_init();
 775
 776 #ifdef HAVE_TLS
 777         rc = ldap_create( &slap_tls_ld );
 778         if ( rc ) {
 779                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 780                 goto destroy;
 781         }
 782         /* Library defaults to full certificate checking. This is correct when
 783          * a client is verifying a server because all servers should have a
 784          * valid cert. But few clients have valid certs, so we want our default
 785          * to be no checking. The config file can override this as usual.
 786          */
 787         rc = LDAP_OPT_X_TLS_NEVER;
 788         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 789 #endif
 790
 791         rc = slap_init( serverMode, serverName );
 792         if ( rc ) {
 793                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 794                 goto destroy;
 795         }
 796
 797         if ( read_config( configfile, configdir ) != 0 ) {
 798                 rc = 1;
 799                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 800
 801                 if ( check & CHECK_CONFIG ) {
 802                         fprintf( stderr, "config check failed\n" );
 803                 }
 804
 805                 goto destroy;
 806         }
 807
 808         if ( debug_unknowns ) {
 809                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 810                 ldap_charray_free( debug_unknowns );
 811                 debug_unknowns = NULL;
 812                 if ( rc )
 813                         goto destroy;
 814         }
 815         if ( syslog_unknowns ) {
 816                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 817                 ldap_charray_free( syslog_unknowns );
 818                 syslog_unknowns = NULL;
 819                 if ( rc )
 820                         goto destroy;
 821         }
 822
 823         if ( check & CHECK_LOGLEVEL ) {
 824                 rc = 0;
 825                 goto destroy;
 826         }
 827
 828         if ( check & CHECK_CONFIG ) {
 829                 fprintf( stderr, "config check succeeded\n" );
 830
 831                 check &= ~CHECK_CONFIG;
 832                 if ( check == CHECK_NONE ) {
 833                         rc = 0;
 834                         goto destroy;
 835                 }
 836         }
 837
 838         if ( glue_sub_attach( 0 ) != 0 ) {
 839                 Debug( LDAP_DEBUG_ANY,
 840                     "subordinate config error\n",
 841                     0, 0, 0 );
 842
 843                 goto destroy;
 844         }
 845
 846         if ( slap_schema_check( ) != 0 ) {
 847                 Debug( LDAP_DEBUG_ANY,
 848                     "schema prep error\n",
 849                     0, 0, 0 );
 850
 851                 goto destroy;
 852         }
 853
 854 #ifdef HAVE_TLS
 855         rc = ldap_pvt_tls_init();
 856         if( rc != 0) {
 857                 Debug( LDAP_DEBUG_ANY,
 858                     "main: TLS init failed: %d\n",
 859                     rc, 0, 0 );
 860                 rc = 1;
 861                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 862                 goto destroy;
 863         }
 864
 865         {
 866                 int opt = 1;
 867
 868                 /* Force new ctx to be created */
 869                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 870                 if( rc == 0 ) {
 871                         /* The ctx's refcount is bumped up here */
 872                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 873                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 874                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 875                         Debug( LDAP_DEBUG_ANY,
 876                             "main: TLS init def ctx failed: %d\n",
 877                             rc, 0, 0 );
 878                         rc = 1;
 879                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 880                         goto destroy;
 881                 }
 882         }
 883 #endif
 884
 885 #ifdef HAVE_CYRUS_SASL
 886         if( sasl_host == NULL ) {
 887                 sasl_host = ch_strdup( global_host );
 888         }
 889 #endif
 890
 891         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 892         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 893
 894 #ifdef SIGPIPE
 895         (void) SIGNAL( SIGPIPE, SIG_IGN );
 896 #endif
 897 #ifdef SIGHUP
 898         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 899 #endif
 900         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 901         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 902 #ifdef SIGTRAP
 903         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 904 #endif
 905 #ifdef LDAP_SIGCHLD
 906         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 907 #endif
 908 #ifdef SIGBREAK
 909         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 910         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 911 #endif
 912
 913 #ifndef HAVE_WINSOCK
 914         if ( !no_detach ) {
 915                 if ( lutil_pair( waitfds ) < 0 ) {
 916                         Debug( LDAP_DEBUG_ANY,
 917                                 "main: lutil_pair failed: %d\n",
 918                                 0, 0, 0 );
 919                         rc = 1;
 920                         goto destroy;
 921                 }
 922                 pid = lutil_detach( no_detach, 0 );
 923                 if ( pid ) {
 924                         char buf[4];
 925                         rc = EXIT_SUCCESS;
 926                         close( waitfds[1] );
 927                         if ( read( waitfds[0], buf, 1 ) != 1 )
 928                                 rc = EXIT_FAILURE;
 929                         _exit( rc );
 930                 } else {
 931                         close( waitfds[0] );
 932                 }
 933         }
 934 #endif /* HAVE_WINSOCK */
 935
 936 #ifdef CSRIMALLOC
 937         mal_leaktrace(1);
 938 #endif
 939
 940         if ( slapd_pid_file != NULL ) {
 941                 FILE *fp = fopen( slapd_pid_file, "w" );
 942
 943                 if ( fp == NULL ) {
 944                         int save_errno = errno;
 945
 946                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 947                                 "\"%s\": %d (%s)\n",
 948                                 slapd_pid_file,
 949                                 save_errno, strerror( save_errno ) );
 950
 951                         free( slapd_pid_file );
 952                         slapd_pid_file = NULL;
 953
 954                         rc = 1;
 955                         goto destroy;
 956                 }
 957                 fprintf( fp, "%d\n", (int) getpid() );
 958                 fclose( fp );
 959                 slapd_pid_file_unlink = 1;
 960         }
 961
 962         if ( slapd_args_file != NULL ) {
 963                 FILE *fp = fopen( slapd_args_file, "w" );
 964
 965                 if ( fp == NULL ) {
 966                         int save_errno = errno;
 967
 968                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 969                                 "\"%s\": %d (%s)\n",
 970                                 slapd_args_file,
 971                                 save_errno, strerror( save_errno ) );
 972
 973                         free( slapd_args_file );
 974                         slapd_args_file = NULL;
 975
 976                         rc = 1;
 977                         goto destroy;
 978                 }
 979
 980                 for ( i = 0; i < g_argc; i++ ) {
 981                         fprintf( fp, "%s ", g_argv[i] );
 982                 }
 983                 fprintf( fp, "\n" );
 984                 fclose( fp );
 985                 slapd_args_file_unlink = 1;
 986         }
 987
 988         /*
 989          * FIXME: moved here from slapd_daemon_task()
 990          * because back-monitor db_open() needs it
 991          */
 992         time( &starttime );
 993
 994         connections_init();
 995
 996         if ( slap_startup( NULL ) != 0 ) {
 997                 rc = 1;
 998                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 999                 goto shutdown;
1000         }
1001
1002         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
1003
1004 #ifndef HAVE_WINSOCK
1005         if ( !no_detach ) {
1006                 write( waitfds[1], "1", 1 );
1007                 close( waitfds[1] );
1008         }
1009 #endif
1010
1011 #ifdef HAVE_NT_EVENT_LOG
1012         if (is_NT_Service)
1013         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
1014                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
1015 #endif
1016
1017         rc = slapd_daemon();
1018
1019 #ifdef HAVE_NT_SERVICE_MANAGER
1020         /* Throw away the event that we used during the startup process. */
1021         if ( is_NT_Service )
1022                 ldap_pvt_thread_cond_destroy( &started_event );
1023 #endif
1024
1025 shutdown:
1026         /* remember an error during shutdown */
1027         rc |= slap_shutdown( NULL );
1028
1029 destroy:
1030         if ( check & CHECK_LOGLEVEL ) {
1031                 (void)loglevel_print( stdout );
1032         }
1033         /* remember an error during destroy */
1034         rc |= slap_destroy();
1035
1036         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
1037                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
1038                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
1039                 ch_free( scp );
1040         }
1041
1042 #ifdef SLAPD_MODULES
1043         module_kill();
1044 #endif
1045
1046         extops_kill();
1047
1048         supported_feature_destroy();
1049         entry_info_destroy();
1050
1051 stop:
1052 #ifdef HAVE_NT_EVENT_LOG
1053         if (is_NT_Service)
1054         lutil_LogStoppedEvent( serverName );
1055 #endif
1056
1057         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
1058
1059
1060 #ifdef HAVE_NT_SERVICE_MANAGER
1061         lutil_ReportShutdownComplete();
1062 #endif
1063
1064 #ifdef LOG_DEBUG
1065     closelog();
1066 #endif
1067         slapd_daemon_destroy();
1068
1069         controls_destroy();
1070
1071         filter_destroy();
1072
1073         schema_destroy();
1074
1075         lutil_passwd_destroy();
1076
1077 #ifdef HAVE_TLS
1078         if ( slap_tls_ld ) {
1079                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1080                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1081         }
1082         ldap_pvt_tls_destroy();
1083 #endif
1084
1085         slap_sasl_regexp_destroy();
1086
1087         if ( slapd_pid_file_unlink ) {
1088                 unlink( slapd_pid_file );
1089         }
1090         if ( slapd_args_file_unlink ) {
1091                 unlink( slapd_args_file );
1092         }
1093
1094         config_destroy();
1095
1096         if ( configfile )
1097                 ch_free( configfile );
1098         if ( configdir )
1099                 ch_free( configdir );
1100         if ( urls )
1101                 ch_free( urls );
1102         if ( global_host )
1103                 ch_free( global_host );
1104
1105         /* kludge, get symbols referenced */
1106         tavl_free( NULL, NULL );
1107
1108 #ifdef CSRIMALLOC
1109         mal_dumpleaktrace( leakfile );
1110 #endif
1111
1112         MAIN_RETURN(rc);
1113 }
1114
1115
1116 #ifdef LDAP_SIGCHLD
1117
1118 /*
1119  *  Catch and discard terminated child processes, to avoid zombies.
1120  */
1121
1122 static RETSIGTYPE
1123 wait4child( int sig )
1124 {
1125     int save_errno = errno;
1126
1127 #ifdef WNOHANG
1128     do
1129         errno = 0;
1130 #ifdef HAVE_WAITPID
1131     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1132 #else
1133     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1134 #endif
1135 #else
1136     (void) wait( NULL );
1137 #endif
1138     (void) SIGNAL_REINSTALL( sig, wait4child );
1139     errno = save_errno;
1140 }
1141
1142 #endif /* LDAP_SIGCHLD */