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