external/bsd/openldap/dist/servers/slapd/main.c

   1 /* $OpenLDAP: pkg/ldap/servers/slapd/main.c,v 1.239.2.13 2008/05/20 00:10:40 quanah Exp $ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2008 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;
  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         {"slaptest", slaptest},
  80         {"slapauth", slapauth},
  81         {"slapacl", slapacl},
  82         /* NOTE: new tools must be added in chronological order,
  83          * not in alphabetical order, because for backwards
  84          * compatibility name[4] is used to identify the
  85          * tools; so name[4]=='a' must refer to "slapadd" and
  86          * not to "slapauth".  Alphabetical order can be used
  87          * for tools whose name[4] is not used yet */
  88         {NULL, NULL}
  89 };
  90
  91 /*
  92  * when more than one slapd is running on one machine, each one might have
  93  * it's own LOCAL for syslogging and must have its own pid/args files
  94  */
  95
  96 #ifndef HAVE_MKVERSION
  97 const char Versionstr[] =
  98         OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
  99 #endif
 100
 101 #define CHECK_NONE      0x00
 102 #define CHECK_CONFIG    0x01
 103 #define CHECK_LOGLEVEL  0x02
 104 static int check = CHECK_NONE;
 105 static int version = 0;
 106
 107 void *slap_tls_ctx;
 108 LDAP *slap_tls_ld;
 109
 110 static int
 111 slapd_opt_slp( const char *val, void *arg )
 112 {
 113 #ifdef HAVE_SLP
 114         /* NULL is default */
 115         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 116                 slapd_register_slp = 1;
 117                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 118
 119         } else if ( strcasecmp( val, "off" ) == 0 ) {
 120                 slapd_register_slp = 0;
 121
 122         /* NOTE: add support for URL specification? */
 123
 124         } else {
 125                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 126                 return -1;
 127         }
 128
 129         return 0;
 130
 131 #else
 132         fputs( "slapd: SLP support is not available\n", stderr );
 133         return 0;
 134 #endif
 135 }
 136
 137 /*
 138  * Option helper structure:
 139  *
 140  * oh_nam       is left-hand part of <option>[=<value>]
 141  * oh_fnc       is handler function
 142  * oh_arg       is an optional arg to oh_fnc
 143  * oh_usage     is the one-line usage string related to the option,
 144  *              which is assumed to start with <option>[=<value>]
 145  *
 146  * please leave valid options in the structure, and optionally #ifdef
 147  * their processing inside the helper, so that reasonable and helpful
 148  * error messages can be generated if a disabled option is requested.
 149  */
 150 struct option_helper {
 151         struct berval   oh_name;
 152         int             (*oh_fnc)(const char *val, void *arg);
 153         void            *oh_arg;
 154         const char      *oh_usage;
 155 } option_helpers[] = {
 156         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 157         { BER_BVNULL, 0, NULL, NULL }
 158 };
 159
 160 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 161 #ifdef LOG_LOCAL4
 162 int
 163 parse_syslog_user( const char *arg, int *syslogUser )
 164 {
 165         static slap_verbmasks syslogUsers[] = {
 166                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 167                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 168                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 169                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 170                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 171                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 172                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 173                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 174 #ifdef LOG_USER
 175                 { BER_BVC( "USER" ), LOG_USER },
 176 #endif /* LOG_USER */
 177 #ifdef LOG_DAEMON
 178                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 179 #endif /* LOG_DAEMON */
 180                 { BER_BVNULL, 0 }
 181         };
 182         int i = verb_to_mask( arg, syslogUsers );
 183
 184         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 185                 Debug( LDAP_DEBUG_ANY,
 186                         "unrecognized syslog user \"%s\".\n",
 187                         arg, 0, 0 );
 188                 return 1;
 189         }
 190
 191         *syslogUser = syslogUsers[ i ].mask;
 192
 193         return 0;
 194 }
 195 #endif /* LOG_LOCAL4 */
 196
 197 int
 198 parse_syslog_level( const char *arg, int *levelp )
 199 {
 200         static slap_verbmasks   str2syslog_level[] = {
 201                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 202                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 203                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 204                 { BER_BVC( "ERR" ),     LOG_ERR },
 205                 { BER_BVC( "WARNING" ), LOG_WARNING },
 206                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 207                 { BER_BVC( "INFO" ),    LOG_INFO },
 208                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 209                 { BER_BVNULL, 0 }
 210         };
 211         int i = verb_to_mask( arg, str2syslog_level );
 212         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 213                 Debug( LDAP_DEBUG_ANY,
 214                         "unknown syslog level \"%s\".\n",
 215                         arg, 0, 0 );
 216                 return 1;
 217         }
 218
 219         *levelp = str2syslog_level[ i ].mask;
 220
 221         return 0;
 222 }
 223 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 224
 225 int
 226 parse_debug_unknowns( char **unknowns, int *levelp )
 227 {
 228         int i, level, rc = 0;
 229
 230         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 231                 level = 0;
 232                 if ( str2loglevel( unknowns[ i ], &level )) {
 233                         fprintf( stderr,
 234                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 235                         rc = 1;
 236                 } else {
 237                         *levelp |= level;
 238                 }
 239         }
 240         return rc;
 241 }
 242
 243 int
 244 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 245 {
 246         int     level;
 247
 248         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 249         {
 250                 int     i;
 251                 char    **levels;
 252
 253                 levels = ldap_str2charray( arg, "," );
 254
 255                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 256                         level = 0;
 257
 258                         if ( str2loglevel( levels[ i ], &level ) ) {
 259                                 /* remember this for later */
 260                                 ldap_charray_add( unknowns, levels[ i ] );
 261                                 fprintf( stderr,
 262                                         "unrecognized log level \"%s\" (deferred)\n",
 263                                         levels[ i ] );
 264                         } else {
 265                                 *levelp |= level;
 266                         }
 267                 }
 268
 269                 ldap_charray_free( levels );
 270
 271         } else {
 272                 if ( lutil_atoix( &level, arg, 0 ) != 0 ) {
 273                         fprintf( stderr,
 274                                 "unrecognized log level "
 275                                 "\"%s\"\n", arg );
 276                         return 1;
 277                 }
 278
 279                 if ( level == 0 ) {
 280                         *levelp = 0;
 281
 282                 } else {
 283                         *levelp |= level;
 284                 }
 285         }
 286
 287         return 0;
 288 }
 289
 290 static void
 291 usage( char *name )
 292 {
 293         fprintf( stderr,
 294                 "usage: %s options\n", name );
 295         fprintf( stderr,
 296                 "\t-4\t\tIPv4 only\n"
 297                 "\t-6\t\tIPv6 only\n"
 298                 "\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
 299                 "\t\t\tRun in Tool mode\n"
 300                 "\t-c cookie\tSync cookie of consumer\n"
 301                 "\t-d level\tDebug level" "\n"
 302                 "\t-f filename\tConfiguration file\n"
 303                 "\t-F dir\tConfiguration directory\n"
 304 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 305                 "\t-g group\tGroup (id or name) to run as\n"
 306 #endif
 307                 "\t-h URLs\t\tList of URLs to serve\n"
 308 #ifdef SLAP_DEFAULT_SYSLOG_USER
 309                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 310 #endif
 311                 "\t-n serverName\tService name\n"
 312                 "\t-o <opt>[=val] generic means to specify options" );
 313         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 314                 int     i;
 315
 316                 fprintf( stderr, "; supported options:\n" );
 317                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 318                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 319                 }
 320         } else {
 321                 fprintf( stderr, "\n" );
 322         }
 323         fprintf( stderr,
 324 #ifdef HAVE_CHROOT
 325                 "\t-r directory\tSandbox directory to chroot to\n"
 326 #endif
 327                 "\t-s level\tSyslog level\n"
 328 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 329                 "\t-u user\t\tUser (id or name) to run as\n"
 330 #endif
 331                 "\t-V\t\tprint version info (-VV only)\n"
 332     );
 333 }
 334
 335 #ifdef HAVE_NT_SERVICE_MANAGER
 336 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 337 #else
 338 int main( int argc, char **argv )
 339 #endif
 340 {
 341         int             i, no_detach = 0;
 342         int             rc = 1;
 343         char *urls = NULL;
 344 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 345         char *username = NULL;
 346         char *groupname = NULL;
 347 #endif
 348 #if defined(HAVE_CHROOT)
 349         char *sandbox = NULL;
 350 #endif
 351 #ifdef SLAP_DEFAULT_SYSLOG_USER
 352         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 353 #endif
 354
 355         int g_argc = argc;
 356         char **g_argv = argv;
 357
 358         char *configfile = NULL;
 359         char *configdir = NULL;
 360         char *serverName;
 361         int serverMode = SLAP_SERVER_MODE;
 362
 363         struct sync_cookie *scp = NULL;
 364         struct sync_cookie *scp_entry = NULL;
 365
 366         char **debug_unknowns = NULL;
 367         char **syslog_unknowns = NULL;
 368
 369         char *serverNamePrefix = "";
 370         size_t  l;
 371
 372         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 373         int firstopt = 1;
 374
 375 #ifdef CSRIMALLOC
 376         FILE *leakfile;
 377         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 378                 leakfile = stderr;
 379         }
 380 #endif
 381
 382         slap_sl_mem_init();
 383
 384         (void) ldap_pvt_thread_initialize();
 385
 386         serverName = lutil_progname( "slapd", argc, argv );
 387
 388         if ( strcmp( serverName, "slapd" ) ) {
 389                 for (i=0; tools[i].name; i++) {
 390                         if ( !strcmp( serverName, tools[i].name ) ) {
 391                                 rc = tools[i].func(argc, argv);
 392                                 MAIN_RETURN(rc);
 393                         }
 394                 }
 395         }
 396
 397 #ifdef HAVE_NT_SERVICE_MANAGER
 398         {
 399                 int *ip;
 400                 char *newConfigFile;
 401                 char *newConfigDir;
 402                 char *newUrls;
 403                 char *regService = NULL;
 404
 405                 if ( is_NT_Service ) {
 406                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 407                         if ( strcmp(serverName, SERVICE_NAME) )
 408                             regService = serverName;
 409                 }
 410
 411                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 412                 if ( ip != NULL ) {
 413                         slap_debug = *ip;
 414                         Debug( LDAP_DEBUG_ANY,
 415                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 416                 }
 417
 418                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 419                 if (newUrls) {
 420                     if (urls)
 421                         ch_free(urls);
 422
 423                     urls = ch_strdup(newUrls);
 424                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 425                                 urls, 0, 0);
 426                 }
 427
 428                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 429                 if ( newConfigFile != NULL ) {
 430                         configfile = newConfigFile;
 431                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 432                 }
 433
 434                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 435                 if ( newConfigDir != NULL ) {
 436                         configdir = newConfigDir;
 437                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 438                 }
 439         }
 440 #endif
 441
 442         while ( (i = getopt( argc, argv,
 443                              "c:d:f:F:h:n:o:s:tT:V"
 444 #ifdef LDAP_PF_INET6
 445                                 "46"
 446 #endif
 447 #ifdef HAVE_CHROOT
 448                                 "r:"
 449 #endif
 450 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 451                                 "S:"
 452 #ifdef LOG_LOCAL4
 453                                 "l:"
 454 #endif
 455 #endif
 456 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 457                                 "u:g:"
 458 #endif
 459                              )) != EOF ) {
 460                 switch ( i ) {
 461 #ifdef LDAP_PF_INET6
 462                 case '4':
 463                         slap_inet4or6 = AF_INET;
 464                         break;
 465                 case '6':
 466                         slap_inet4or6 = AF_INET6;
 467                         break;
 468 #endif
 469
 470                 case 'h':       /* listen URLs */
 471                         if ( urls != NULL ) free( urls );
 472                         urls = ch_strdup( optarg );
 473                         break;
 474
 475                 case 'c':       /* provide sync cookie, override if exist in replica */
 476                         scp = (struct sync_cookie *) ch_calloc( 1,
 477                                                                                 sizeof( struct sync_cookie ));
 478                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 479
 480                         /* This only parses out the rid at this point */
 481                         slap_parse_sync_cookie( scp, NULL );
 482
 483                         if ( scp->rid == -1 ) {
 484                                 Debug( LDAP_DEBUG_ANY,
 485                                                 "main: invalid cookie \"%s\"\n",
 486                                                 optarg, 0, 0 );
 487                                 slap_sync_cookie_free( scp, 1 );
 488                                 goto destroy;
 489                         }
 490
 491                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 492                                 if ( scp->rid == scp_entry->rid ) {
 493                                         Debug( LDAP_DEBUG_ANY,
 494                                                     "main: duplicated replica id in cookies\n",
 495                                                         0, 0, 0 );
 496                                         slap_sync_cookie_free( scp, 1 );
 497                                         goto destroy;
 498                                 }
 499                         }
 500                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 501                         break;
 502
 503                 case 'd': {     /* set debug level and 'do not detach' flag */
 504                         int     level = 0;
 505
 506                         if ( strcmp( optarg, "?" ) == 0 ) {
 507                                 check |= CHECK_LOGLEVEL;
 508                                 break;
 509                         }
 510
 511                         no_detach = 1;
 512                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 513                                 goto destroy;
 514                         }
 515 #ifdef LDAP_DEBUG
 516                         slap_debug |= level;
 517 #else
 518                         if ( level != 0 )
 519                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 520                                        stderr );
 521 #endif
 522                         } break;
 523
 524                 case 'f':       /* read config file */
 525                         configfile = ch_strdup( optarg );
 526                         break;
 527
 528                 case 'F':       /* use config dir */
 529                         configdir = ch_strdup( optarg );
 530                         break;
 531
 532                 case 'o': {
 533                         char            *val = strchr( optarg, '=' );
 534                         struct berval   opt;
 535
 536                         opt.bv_val = optarg;
 537
 538                         if ( val ) {
 539                                 opt.bv_len = ( val - optarg );
 540                                 val++;
 541
 542                         } else {
 543                                 opt.bv_len = strlen( optarg );
 544                         }
 545
 546                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 547                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 548                                         assert( option_helpers[i].oh_fnc != NULL );
 549                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 550                                                 /* we assume the option parsing helper
 551                                                  * issues appropriate and self-explanatory
 552                                                  * error messages... */
 553                                                 goto stop;
 554                                         }
 555                                         break;
 556                                 }
 557                         }
 558
 559                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 560                                 goto unhandled_option;
 561                         }
 562                         break;
 563                 }
 564
 565                 case 's':       /* set syslog level */
 566                         if ( strcmp( optarg, "?" ) == 0 ) {
 567                                 check |= CHECK_LOGLEVEL;
 568                                 break;
 569                         }
 570
 571                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 572                                 goto destroy;
 573                         }
 574                         break;
 575
 576 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 577                 case 'S':
 578                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 579                                 goto destroy;
 580                         }
 581                         break;
 582
 583 #ifdef LOG_LOCAL4
 584                 case 'l':       /* set syslog local user */
 585                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 586                                 goto destroy;
 587                         }
 588                         break;
 589 #endif
 590 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 591
 592 #ifdef HAVE_CHROOT
 593                 case 'r':
 594                         if( sandbox ) free(sandbox);
 595                         sandbox = ch_strdup( optarg );
 596                         break;
 597 #endif
 598
 599 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 600                 case 'u':       /* user name */
 601                         if( username ) free(username);
 602                         username = ch_strdup( optarg );
 603                         break;
 604
 605                 case 'g':       /* group name */
 606                         if( groupname ) free(groupname);
 607                         groupname = ch_strdup( optarg );
 608                         break;
 609 #endif /* SETUID && GETUID */
 610
 611                 case 'n':  /* NT service name */
 612                         serverName = ch_strdup( optarg );
 613                         break;
 614
 615                 case 't':
 616                         /* deprecated; use slaptest instead */
 617                         fprintf( stderr, "option -t deprecated; "
 618                                 "use slaptest command instead\n" );
 619                         check |= CHECK_CONFIG;
 620                         break;
 621
 622                 case 'V':
 623                         version++;
 624                         break;
 625
 626                 case 'T':
 627                         if ( firstopt == 0 ) {
 628                                 fprintf( stderr, "warning: \"-T %s\" "
 629                                         "should be the first option.\n",
 630                                         optarg );
 631                         }
 632
 633                         /* try full option string first */
 634                         for ( i = 0; tools[i].name; i++ ) {
 635                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 636                                         rc = tools[i].func( argc, argv );
 637                                         MAIN_RETURN( rc );
 638                                 }
 639                         }
 640
 641                         /* try bits of option string (backward compatibility for single char) */
 642                         l = strlen( optarg );
 643                         for ( i = 0; tools[i].name; i++ ) {
 644                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 645                                         rc = tools[i].func( argc, argv );
 646                                         MAIN_RETURN( rc );
 647                                 }
 648                         }
 649
 650                         /* issue error */
 651                         serverName = optarg;
 652                         serverNamePrefix = "slap";
 653                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 654                                         "aborting...\n", serverNamePrefix, serverName );
 655                         /* FALLTHRU */
 656                 default:
 657 unhandled_option:;
 658                         usage( argv[0] );
 659                         rc = 1;
 660                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 661                         goto stop;
 662                 }
 663
 664                 if ( firstopt ) {
 665                         firstopt = 0;
 666                 }
 667         }
 668
 669         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 670         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 671         ldif_debug = slap_debug;
 672
 673         if ( version ) {
 674                 fprintf( stderr, "%s\n", Versionstr );
 675                 if ( version > 1 ) goto stop;
 676         }
 677
 678 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 679         {
 680                 char *logName;
 681 #ifdef HAVE_EBCDIC
 682                 logName = ch_strdup( serverName );
 683                 __atoe( logName );
 684 #else
 685                 logName = serverName;
 686 #endif
 687
 688 #ifdef LOG_LOCAL4
 689                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 690 #elif defined LOG_DEBUG
 691                 openlog( logName, OPENLOG_OPTIONS );
 692 #endif
 693 #ifdef HAVE_EBCDIC
 694                 free( logName );
 695 #endif
 696         }
 697 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 698
 699         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 700
 701         global_host = ldap_pvt_get_fqdn( NULL );
 702
 703         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 704                 rc = 1;
 705                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 706                 goto stop;
 707         }
 708
 709 #if defined(HAVE_CHROOT)
 710         if ( sandbox ) {
 711                 if ( chdir( sandbox ) ) {
 712                         perror("chdir");
 713                         rc = 1;
 714                         goto stop;
 715                 }
 716                 if ( chroot( sandbox ) ) {
 717                         perror("chroot");
 718                         rc = 1;
 719                         goto stop;
 720                 }
 721         }
 722 #endif
 723
 724 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 725         if ( username != NULL || groupname != NULL ) {
 726                 slap_init_user( username, groupname );
 727         }
 728 #endif
 729
 730         extops_init();
 731         lutil_passwd_init();
 732
 733 #ifdef HAVE_TLS
 734         rc = ldap_create( &slap_tls_ld );
 735         if ( rc ) {
 736                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 737                 goto destroy;
 738         }
 739         /* Library defaults to full certificate checking. This is correct when
 740          * a client is verifying a server because all servers should have a
 741          * valid cert. But few clients have valid certs, so we want our default
 742          * to be no checking. The config file can override this as usual.
 743          */
 744         rc = LDAP_OPT_X_TLS_NEVER;
 745         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 746 #endif
 747
 748         rc = slap_init( serverMode, serverName );
 749         if ( rc ) {
 750                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 751                 goto destroy;
 752         }
 753
 754         if ( read_config( configfile, configdir ) != 0 ) {
 755                 rc = 1;
 756                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 757
 758                 if ( check & CHECK_CONFIG ) {
 759                         fprintf( stderr, "config check failed\n" );
 760                 }
 761
 762                 goto destroy;
 763         }
 764
 765         if ( debug_unknowns ) {
 766                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 767                 ldap_charray_free( debug_unknowns );
 768                 debug_unknowns = NULL;
 769                 if ( rc )
 770                         goto destroy;
 771         }
 772         if ( syslog_unknowns ) {
 773                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 774                 ldap_charray_free( syslog_unknowns );
 775                 syslog_unknowns = NULL;
 776                 if ( rc )
 777                         goto destroy;
 778         }
 779
 780         if ( check & CHECK_LOGLEVEL ) {
 781                 rc = 0;
 782                 goto destroy;
 783         }
 784
 785         if ( check & CHECK_CONFIG ) {
 786                 fprintf( stderr, "config check succeeded\n" );
 787
 788                 check &= ~CHECK_CONFIG;
 789                 if ( check == CHECK_NONE ) {
 790                         rc = 0;
 791                         goto destroy;
 792                 }
 793         }
 794
 795         if ( glue_sub_attach( ) != 0 ) {
 796                 Debug( LDAP_DEBUG_ANY,
 797                     "subordinate config error\n",
 798                     0, 0, 0 );
 799
 800                 goto destroy;
 801         }
 802
 803         if ( slap_schema_check( ) != 0 ) {
 804                 Debug( LDAP_DEBUG_ANY,
 805                     "schema prep error\n",
 806                     0, 0, 0 );
 807
 808                 goto destroy;
 809         }
 810
 811 #ifdef HAVE_TLS
 812         rc = ldap_pvt_tls_init();
 813         if( rc != 0) {
 814                 Debug( LDAP_DEBUG_ANY,
 815                     "main: TLS init failed: %d\n",
 816                     0, 0, 0 );
 817                 rc = 1;
 818                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 819                 goto destroy;
 820         }
 821
 822         {
 823                 int opt = 1;
 824
 825                 /* Force new ctx to be created */
 826                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 827                 if( rc == 0 ) {
 828                         /* The ctx's refcount is bumped up here */
 829                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 830                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 831                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 832                         Debug( LDAP_DEBUG_ANY,
 833                             "main: TLS init def ctx failed: %d\n",
 834                             rc, 0, 0 );
 835                         rc = 1;
 836                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 837                         goto destroy;
 838                 }
 839         }
 840 #endif
 841
 842 #ifdef HAVE_CYRUS_SASL
 843         if( sasl_host == NULL ) {
 844                 sasl_host = ch_strdup( global_host );
 845         }
 846 #endif
 847
 848         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 849         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 850
 851 #ifdef SIGPIPE
 852         (void) SIGNAL( SIGPIPE, SIG_IGN );
 853 #endif
 854 #ifdef SIGHUP
 855         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 856 #endif
 857         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 858         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 859 #ifdef SIGTRAP
 860         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 861 #endif
 862 #ifdef LDAP_SIGCHLD
 863         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 864 #endif
 865 #ifdef SIGBREAK
 866         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 867         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 868 #endif
 869
 870 #ifndef HAVE_WINSOCK
 871         lutil_detach( no_detach, 0 );
 872 #endif /* HAVE_WINSOCK */
 873
 874 #ifdef CSRIMALLOC
 875         mal_leaktrace(1);
 876 #endif
 877
 878         if ( slapd_pid_file != NULL ) {
 879                 FILE *fp = fopen( slapd_pid_file, "w" );
 880
 881                 if ( fp == NULL ) {
 882                         int save_errno = errno;
 883
 884                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 885                                 "\"%s\": %d (%s)\n",
 886                                 slapd_pid_file,
 887                                 save_errno, strerror( save_errno ) );
 888
 889                         free( slapd_pid_file );
 890                         slapd_pid_file = NULL;
 891
 892                         rc = 1;
 893                         goto destroy;
 894                 }
 895                 fprintf( fp, "%d\n", (int) getpid() );
 896                 fclose( fp );
 897                 slapd_pid_file_unlink = 1;
 898         }
 899
 900         if ( slapd_args_file != NULL ) {
 901                 FILE *fp = fopen( slapd_args_file, "w" );
 902
 903                 if ( fp == NULL ) {
 904                         int save_errno = errno;
 905
 906                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 907                                 "\"%s\": %d (%s)\n",
 908                                 slapd_args_file,
 909                                 save_errno, strerror( save_errno ) );
 910
 911                         free( slapd_args_file );
 912                         slapd_args_file = NULL;
 913
 914                         rc = 1;
 915                         goto destroy;
 916                 }
 917
 918                 for ( i = 0; i < g_argc; i++ ) {
 919                         fprintf( fp, "%s ", g_argv[i] );
 920                 }
 921                 fprintf( fp, "\n" );
 922                 fclose( fp );
 923                 slapd_args_file_unlink = 1;
 924         }
 925
 926         /*
 927          * FIXME: moved here from slapd_daemon_task()
 928          * because back-monitor db_open() needs it
 929          */
 930         time( &starttime );
 931
 932         connections_init();
 933
 934         if ( slap_startup( NULL ) != 0 ) {
 935                 rc = 1;
 936                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 937                 goto shutdown;
 938         }
 939
 940         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
 941
 942 #ifdef HAVE_NT_EVENT_LOG
 943         if (is_NT_Service)
 944         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
 945                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
 946 #endif
 947
 948         rc = slapd_daemon();
 949
 950 #ifdef HAVE_NT_SERVICE_MANAGER
 951         /* Throw away the event that we used during the startup process. */
 952         if ( is_NT_Service )
 953                 ldap_pvt_thread_cond_destroy( &started_event );
 954 #endif
 955
 956 shutdown:
 957         /* remember an error during shutdown */
 958         rc |= slap_shutdown( NULL );
 959
 960 destroy:
 961         if ( check & CHECK_LOGLEVEL ) {
 962                 (void)loglevel_print( stdout );
 963         }
 964         /* remember an error during destroy */
 965         rc |= slap_destroy();
 966
 967         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
 968                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
 969                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
 970                 ch_free( scp );
 971         }
 972
 973 #ifdef SLAPD_MODULES
 974         module_kill();
 975 #endif
 976
 977         extops_kill();
 978
 979         supported_feature_destroy();
 980         entry_info_destroy();
 981
 982 stop:
 983 #ifdef HAVE_NT_EVENT_LOG
 984         if (is_NT_Service)
 985         lutil_LogStoppedEvent( serverName );
 986 #endif
 987
 988         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 989
 990
 991 #ifdef HAVE_NT_SERVICE_MANAGER
 992         lutil_ReportShutdownComplete();
 993 #endif
 994
 995 #ifdef LOG_DEBUG
 996     closelog();
 997 #endif
 998         slapd_daemon_destroy();
 999
1000         controls_destroy();
1001
1002         filter_destroy();
1003
1004         schema_destroy();
1005
1006         lutil_passwd_destroy();
1007
1008 #ifdef HAVE_TLS
1009         if ( slap_tls_ld ) {
1010                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1011                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1012         }
1013         ldap_pvt_tls_destroy();
1014 #endif
1015
1016         slap_sasl_regexp_destroy();
1017
1018         if ( slapd_pid_file_unlink ) {
1019                 unlink( slapd_pid_file );
1020         }
1021         if ( slapd_args_file_unlink ) {
1022                 unlink( slapd_args_file );
1023         }
1024
1025         config_destroy();
1026
1027         if ( configfile )
1028                 ch_free( configfile );
1029         if ( configdir )
1030                 ch_free( configdir );
1031         if ( urls )
1032                 ch_free( urls );
1033
1034         /* kludge, get symbols referenced */
1035         tavl_free( NULL, NULL );
1036
1037 #ifdef CSRIMALLOC
1038         mal_dumpleaktrace( leakfile );
1039 #endif
1040
1041         MAIN_RETURN(rc);
1042 }
1043
1044
1045 #ifdef LDAP_SIGCHLD
1046
1047 /*
1048  *  Catch and discard terminated child processes, to avoid zombies.
1049  */
1050
1051 static RETSIGTYPE
1052 wait4child( int sig )
1053 {
1054     int save_errno = errno;
1055
1056 #ifdef WNOHANG
1057     errno = 0;
1058 #ifdef HAVE_WAITPID
1059     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR )
1060         ;       /* NULL */
1061 #else
1062     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR )
1063         ;       /* NULL */
1064 #endif
1065 #else
1066     (void) wait( NULL );
1067 #endif
1068     (void) SIGNAL_REINSTALL( sig, wait4child );
1069     errno = save_errno;
1070 }
1071
1072 #endif /* LDAP_SIGCHLD */
1073