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 1998-2009 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 #define CHECK_NONE      0x00
 103 #define CHECK_CONFIG    0x01
 104 #define CHECK_LOGLEVEL  0x02
 105 static int check = CHECK_NONE;
 106 static int version = 0;
 107
 108 void *slap_tls_ctx;
 109 LDAP *slap_tls_ld;
 110
 111 static int
 112 slapd_opt_slp( const char *val, void *arg )
 113 {
 114 #ifdef HAVE_SLP
 115         /* NULL is default */
 116         if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
 117                 slapd_register_slp = 1;
 118                 slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
 119
 120         } else if ( strcasecmp( val, "off" ) == 0 ) {
 121                 slapd_register_slp = 0;
 122
 123         /* NOTE: add support for URL specification? */
 124
 125         } else {
 126                 fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
 127                 return -1;
 128         }
 129
 130         return 0;
 131
 132 #else
 133         fputs( "slapd: SLP support is not available\n", stderr );
 134         return 0;
 135 #endif
 136 }
 137
 138 /*
 139  * Option helper structure:
 140  *
 141  * oh_nam       is left-hand part of <option>[=<value>]
 142  * oh_fnc       is handler function
 143  * oh_arg       is an optional arg to oh_fnc
 144  * oh_usage     is the one-line usage string related to the option,
 145  *              which is assumed to start with <option>[=<value>]
 146  *
 147  * please leave valid options in the structure, and optionally #ifdef
 148  * their processing inside the helper, so that reasonable and helpful
 149  * error messages can be generated if a disabled option is requested.
 150  */
 151 struct option_helper {
 152         struct berval   oh_name;
 153         int             (*oh_fnc)(const char *val, void *arg);
 154         void            *oh_arg;
 155         const char      *oh_usage;
 156 } option_helpers[] = {
 157         { BER_BVC("slp"),       slapd_opt_slp,  NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
 158         { BER_BVNULL, 0, NULL, NULL }
 159 };
 160
 161 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 162 #ifdef LOG_LOCAL4
 163 int
 164 parse_syslog_user( const char *arg, int *syslogUser )
 165 {
 166         static slap_verbmasks syslogUsers[] = {
 167                 { BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
 168                 { BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
 169                 { BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
 170                 { BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
 171                 { BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
 172                 { BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
 173                 { BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
 174                 { BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
 175 #ifdef LOG_USER
 176                 { BER_BVC( "USER" ), LOG_USER },
 177 #endif /* LOG_USER */
 178 #ifdef LOG_DAEMON
 179                 { BER_BVC( "DAEMON" ), LOG_DAEMON },
 180 #endif /* LOG_DAEMON */
 181                 { BER_BVNULL, 0 }
 182         };
 183         int i = verb_to_mask( arg, syslogUsers );
 184
 185         if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
 186                 Debug( LDAP_DEBUG_ANY,
 187                         "unrecognized syslog user \"%s\".\n",
 188                         arg, 0, 0 );
 189                 return 1;
 190         }
 191
 192         *syslogUser = syslogUsers[ i ].mask;
 193
 194         return 0;
 195 }
 196 #endif /* LOG_LOCAL4 */
 197
 198 int
 199 parse_syslog_level( const char *arg, int *levelp )
 200 {
 201         static slap_verbmasks   str2syslog_level[] = {
 202                 { BER_BVC( "EMERG" ),   LOG_EMERG },
 203                 { BER_BVC( "ALERT" ),   LOG_ALERT },
 204                 { BER_BVC( "CRIT" ),    LOG_CRIT },
 205                 { BER_BVC( "ERR" ),     LOG_ERR },
 206                 { BER_BVC( "WARNING" ), LOG_WARNING },
 207                 { BER_BVC( "NOTICE" ),  LOG_NOTICE },
 208                 { BER_BVC( "INFO" ),    LOG_INFO },
 209                 { BER_BVC( "DEBUG" ),   LOG_DEBUG },
 210                 { BER_BVNULL, 0 }
 211         };
 212         int i = verb_to_mask( arg, str2syslog_level );
 213         if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
 214                 Debug( LDAP_DEBUG_ANY,
 215                         "unknown syslog level \"%s\".\n",
 216                         arg, 0, 0 );
 217                 return 1;
 218         }
 219
 220         *levelp = str2syslog_level[ i ].mask;
 221
 222         return 0;
 223 }
 224 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 225
 226 int
 227 parse_debug_unknowns( char **unknowns, int *levelp )
 228 {
 229         int i, level, rc = 0;
 230
 231         for ( i = 0; unknowns[ i ] != NULL; i++ ) {
 232                 level = 0;
 233                 if ( str2loglevel( unknowns[ i ], &level )) {
 234                         fprintf( stderr,
 235                                 "unrecognized log level \"%s\"\n", unknowns[ i ] );
 236                         rc = 1;
 237                 } else {
 238                         *levelp |= level;
 239                 }
 240         }
 241         return rc;
 242 }
 243
 244 int
 245 parse_debug_level( const char *arg, int *levelp, char ***unknowns )
 246 {
 247         int     level;
 248
 249         if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
 250         {
 251                 int     i;
 252                 char    **levels;
 253
 254                 levels = ldap_str2charray( arg, "," );
 255
 256                 for ( i = 0; levels[ i ] != NULL; i++ ) {
 257                         level = 0;
 258
 259                         if ( str2loglevel( levels[ i ], &level ) ) {
 260                                 /* remember this for later */
 261                                 ldap_charray_add( unknowns, levels[ i ] );
 262                                 fprintf( stderr,
 263                                         "unrecognized log level \"%s\" (deferred)\n",
 264                                         levels[ i ] );
 265                         } else {
 266                                 *levelp |= level;
 267                         }
 268                 }
 269
 270                 ldap_charray_free( levels );
 271
 272         } else {
 273                 if ( lutil_atoix( &level, arg, 0 ) != 0 ) {
 274                         fprintf( stderr,
 275                                 "unrecognized log level "
 276                                 "\"%s\"\n", arg );
 277                         return 1;
 278                 }
 279
 280                 if ( level == 0 ) {
 281                         *levelp = 0;
 282
 283                 } else {
 284                         *levelp |= level;
 285                 }
 286         }
 287
 288         return 0;
 289 }
 290
 291 static void
 292 usage( char *name )
 293 {
 294         fprintf( stderr,
 295                 "usage: %s options\n", name );
 296         fprintf( stderr,
 297                 "\t-4\t\tIPv4 only\n"
 298                 "\t-6\t\tIPv6 only\n"
 299                 "\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
 300                 "\t\t\tRun in Tool mode\n"
 301                 "\t-c cookie\tSync cookie of consumer\n"
 302                 "\t-d level\tDebug level" "\n"
 303                 "\t-f filename\tConfiguration file\n"
 304                 "\t-F dir\tConfiguration directory\n"
 305 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 306                 "\t-g group\tGroup (id or name) to run as\n"
 307 #endif
 308                 "\t-h URLs\t\tList of URLs to serve\n"
 309 #ifdef SLAP_DEFAULT_SYSLOG_USER
 310                 "\t-l facility\tSyslog facility (default: LOCAL4)\n"
 311 #endif
 312                 "\t-n serverName\tService name\n"
 313                 "\t-o <opt>[=val] generic means to specify options" );
 314         if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
 315                 int     i;
 316
 317                 fprintf( stderr, "; supported options:\n" );
 318                 for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
 319                         fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
 320                 }
 321         } else {
 322                 fprintf( stderr, "\n" );
 323         }
 324         fprintf( stderr,
 325 #ifdef HAVE_CHROOT
 326                 "\t-r directory\tSandbox directory to chroot to\n"
 327 #endif
 328                 "\t-s level\tSyslog level\n"
 329 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 330                 "\t-u user\t\tUser (id or name) to run as\n"
 331 #endif
 332                 "\t-V\t\tprint version info (-VV only)\n"
 333     );
 334 }
 335
 336 #ifdef HAVE_NT_SERVICE_MANAGER
 337 void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
 338 #else
 339 int main( int argc, char **argv )
 340 #endif
 341 {
 342         int             i, no_detach = 0;
 343         int             rc = 1;
 344         char *urls = NULL;
 345 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 346         char *username = NULL;
 347         char *groupname = NULL;
 348 #endif
 349 #if defined(HAVE_CHROOT)
 350         char *sandbox = NULL;
 351 #endif
 352 #ifdef SLAP_DEFAULT_SYSLOG_USER
 353         int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
 354 #endif
 355
 356         int g_argc = argc;
 357         char **g_argv = argv;
 358
 359         char *configfile = NULL;
 360         char *configdir = NULL;
 361         char *serverName;
 362         int serverMode = SLAP_SERVER_MODE;
 363
 364         struct sync_cookie *scp = NULL;
 365         struct sync_cookie *scp_entry = NULL;
 366
 367         char **debug_unknowns = NULL;
 368         char **syslog_unknowns = NULL;
 369
 370         char *serverNamePrefix = "";
 371         size_t  l;
 372
 373         int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
 374         int firstopt = 1;
 375
 376 #ifdef CSRIMALLOC
 377         FILE *leakfile;
 378         if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
 379                 leakfile = stderr;
 380         }
 381 #endif
 382
 383         slap_sl_mem_init();
 384
 385         (void) ldap_pvt_thread_initialize();
 386
 387         serverName = lutil_progname( "slapd", argc, argv );
 388
 389         if ( strcmp( serverName, "slapd" ) ) {
 390                 for (i=0; tools[i].name; i++) {
 391                         if ( !strcmp( serverName, tools[i].name ) ) {
 392                                 rc = tools[i].func(argc, argv);
 393                                 MAIN_RETURN(rc);
 394                         }
 395                 }
 396         }
 397
 398 #ifdef HAVE_NT_SERVICE_MANAGER
 399         {
 400                 int *ip;
 401                 char *newConfigFile;
 402                 char *newConfigDir;
 403                 char *newUrls;
 404                 char *regService = NULL;
 405
 406                 if ( is_NT_Service ) {
 407                         lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
 408                         if ( strcmp(serverName, SERVICE_NAME) )
 409                             regService = serverName;
 410                 }
 411
 412                 ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
 413                 if ( ip != NULL ) {
 414                         slap_debug = *ip;
 415                         Debug( LDAP_DEBUG_ANY,
 416                                 "new debug level from registry is: %d\n", slap_debug, 0, 0 );
 417                 }
 418
 419                 newUrls = (char *) lutil_getRegParam(regService, "Urls");
 420                 if (newUrls) {
 421                     if (urls)
 422                         ch_free(urls);
 423
 424                     urls = ch_strdup(newUrls);
 425                     Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
 426                                 urls, 0, 0);
 427                 }
 428
 429                 newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
 430                 if ( newConfigFile != NULL ) {
 431                         configfile = newConfigFile;
 432                         Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
 433                 }
 434
 435                 newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
 436                 if ( newConfigDir != NULL ) {
 437                         configdir = newConfigDir;
 438                         Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
 439                 }
 440         }
 441 #endif
 442
 443         while ( (i = getopt( argc, argv,
 444                              "c:d:f:F:h:n:o:s:tT:V"
 445 #ifdef LDAP_PF_INET6
 446                                 "46"
 447 #endif
 448 #ifdef HAVE_CHROOT
 449                                 "r:"
 450 #endif
 451 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 452                                 "S:"
 453 #ifdef LOG_LOCAL4
 454                                 "l:"
 455 #endif
 456 #endif
 457 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 458                                 "u:g:"
 459 #endif
 460                              )) != EOF ) {
 461                 switch ( i ) {
 462 #ifdef LDAP_PF_INET6
 463                 case '4':
 464                         slap_inet4or6 = AF_INET;
 465                         break;
 466                 case '6':
 467                         slap_inet4or6 = AF_INET6;
 468                         break;
 469 #endif
 470
 471                 case 'h':       /* listen URLs */
 472                         if ( urls != NULL ) free( urls );
 473                         urls = ch_strdup( optarg );
 474                         break;
 475
 476                 case 'c':       /* provide sync cookie, override if exist in replica */
 477                         scp = (struct sync_cookie *) ch_calloc( 1,
 478                                                                                 sizeof( struct sync_cookie ));
 479                         ber_str2bv( optarg, 0, 1, &scp->octet_str );
 480
 481                         /* This only parses out the rid at this point */
 482                         slap_parse_sync_cookie( scp, NULL );
 483
 484                         if ( scp->rid == -1 ) {
 485                                 Debug( LDAP_DEBUG_ANY,
 486                                                 "main: invalid cookie \"%s\"\n",
 487                                                 optarg, 0, 0 );
 488                                 slap_sync_cookie_free( scp, 1 );
 489                                 goto destroy;
 490                         }
 491
 492                         LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
 493                                 if ( scp->rid == scp_entry->rid ) {
 494                                         Debug( LDAP_DEBUG_ANY,
 495                                                     "main: duplicated replica id in cookies\n",
 496                                                         0, 0, 0 );
 497                                         slap_sync_cookie_free( scp, 1 );
 498                                         goto destroy;
 499                                 }
 500                         }
 501                         LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
 502                         break;
 503
 504                 case 'd': {     /* set debug level and 'do not detach' flag */
 505                         int     level = 0;
 506
 507                         if ( strcmp( optarg, "?" ) == 0 ) {
 508                                 check |= CHECK_LOGLEVEL;
 509                                 break;
 510                         }
 511
 512                         no_detach = 1;
 513                         if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
 514                                 goto destroy;
 515                         }
 516 #ifdef LDAP_DEBUG
 517                         slap_debug |= level;
 518 #else
 519                         if ( level != 0 )
 520                                 fputs( "must compile with LDAP_DEBUG for debugging\n",
 521                                        stderr );
 522 #endif
 523                         } break;
 524
 525                 case 'f':       /* read config file */
 526                         configfile = ch_strdup( optarg );
 527                         break;
 528
 529                 case 'F':       /* use config dir */
 530                         configdir = ch_strdup( optarg );
 531                         break;
 532
 533                 case 'o': {
 534                         char            *val = strchr( optarg, '=' );
 535                         struct berval   opt;
 536
 537                         opt.bv_val = optarg;
 538
 539                         if ( val ) {
 540                                 opt.bv_len = ( val - optarg );
 541                                 val++;
 542
 543                         } else {
 544                                 opt.bv_len = strlen( optarg );
 545                         }
 546
 547                         for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
 548                                 if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
 549                                         assert( option_helpers[i].oh_fnc != NULL );
 550                                         if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
 551                                                 /* we assume the option parsing helper
 552                                                  * issues appropriate and self-explanatory
 553                                                  * error messages... */
 554                                                 goto stop;
 555                                         }
 556                                         break;
 557                                 }
 558                         }
 559
 560                         if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
 561                                 goto unhandled_option;
 562                         }
 563                         break;
 564                 }
 565
 566                 case 's':       /* set syslog level */
 567                         if ( strcmp( optarg, "?" ) == 0 ) {
 568                                 check |= CHECK_LOGLEVEL;
 569                                 break;
 570                         }
 571
 572                         if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
 573                                 goto destroy;
 574                         }
 575                         break;
 576
 577 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 578                 case 'S':
 579                         if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
 580                                 goto destroy;
 581                         }
 582                         break;
 583
 584 #ifdef LOG_LOCAL4
 585                 case 'l':       /* set syslog local user */
 586                         if ( parse_syslog_user( optarg, &syslogUser ) ) {
 587                                 goto destroy;
 588                         }
 589                         break;
 590 #endif
 591 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 592
 593 #ifdef HAVE_CHROOT
 594                 case 'r':
 595                         if( sandbox ) free(sandbox);
 596                         sandbox = ch_strdup( optarg );
 597                         break;
 598 #endif
 599
 600 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 601                 case 'u':       /* user name */
 602                         if( username ) free(username);
 603                         username = ch_strdup( optarg );
 604                         break;
 605
 606                 case 'g':       /* group name */
 607                         if( groupname ) free(groupname);
 608                         groupname = ch_strdup( optarg );
 609                         break;
 610 #endif /* SETUID && GETUID */
 611
 612                 case 'n':  /* NT service name */
 613                         serverName = ch_strdup( optarg );
 614                         break;
 615
 616                 case 't':
 617                         /* deprecated; use slaptest instead */
 618                         fprintf( stderr, "option -t deprecated; "
 619                                 "use slaptest command instead\n" );
 620                         check |= CHECK_CONFIG;
 621                         break;
 622
 623                 case 'V':
 624                         version++;
 625                         break;
 626
 627                 case 'T':
 628                         if ( firstopt == 0 ) {
 629                                 fprintf( stderr, "warning: \"-T %s\" "
 630                                         "should be the first option.\n",
 631                                         optarg );
 632                         }
 633
 634                         /* try full option string first */
 635                         for ( i = 0; tools[i].name; i++ ) {
 636                                 if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
 637                                         rc = tools[i].func( argc, argv );
 638                                         MAIN_RETURN( rc );
 639                                 }
 640                         }
 641
 642                         /* try bits of option string (backward compatibility for single char) */
 643                         l = strlen( optarg );
 644                         for ( i = 0; tools[i].name; i++ ) {
 645                                 if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
 646                                         rc = tools[i].func( argc, argv );
 647                                         MAIN_RETURN( rc );
 648                                 }
 649                         }
 650
 651                         /* issue error */
 652                         serverName = optarg;
 653                         serverNamePrefix = "slap";
 654                         fprintf( stderr, "program name \"%s%s\" unrecognized; "
 655                                         "aborting...\n", serverNamePrefix, serverName );
 656                         /* FALLTHRU */
 657                 default:
 658 unhandled_option:;
 659                         usage( argv[0] );
 660                         rc = 1;
 661                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
 662                         goto stop;
 663                 }
 664
 665                 if ( firstopt ) {
 666                         firstopt = 0;
 667                 }
 668         }
 669
 670         ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
 671         ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
 672         ldif_debug = slap_debug;
 673
 674         if ( version ) {
 675                 fprintf( stderr, "%s\n", Versionstr );
 676                 if ( version > 1 ) goto stop;
 677         }
 678
 679 #if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
 680         {
 681                 char *logName;
 682 #ifdef HAVE_EBCDIC
 683                 logName = ch_strdup( serverName );
 684                 __atoe( logName );
 685 #else
 686                 logName = serverName;
 687 #endif
 688
 689 #ifdef LOG_LOCAL4
 690                 openlog( logName, OPENLOG_OPTIONS, syslogUser );
 691 #elif defined LOG_DEBUG
 692                 openlog( logName, OPENLOG_OPTIONS );
 693 #endif
 694 #ifdef HAVE_EBCDIC
 695                 free( logName );
 696 #endif
 697         }
 698 #endif /* LDAP_DEBUG && LDAP_SYSLOG */
 699
 700         Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
 701
 702         global_host = ldap_pvt_get_fqdn( NULL );
 703         ber_str2bv( global_host, 0, 0, &global_host_bv );
 704
 705         if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
 706                 rc = 1;
 707                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
 708                 goto stop;
 709         }
 710
 711 #if defined(HAVE_CHROOT)
 712         if ( sandbox ) {
 713                 if ( chdir( sandbox ) ) {
 714                         perror("chdir");
 715                         rc = 1;
 716                         goto stop;
 717                 }
 718                 if ( chroot( sandbox ) ) {
 719                         perror("chroot");
 720                         rc = 1;
 721                         goto stop;
 722                 }
 723         }
 724 #endif
 725
 726 #if defined(HAVE_SETUID) && defined(HAVE_SETGID)
 727         if ( username != NULL || groupname != NULL ) {
 728                 slap_init_user( username, groupname );
 729         }
 730 #endif
 731
 732         extops_init();
 733         lutil_passwd_init();
 734
 735 #ifdef HAVE_TLS
 736         rc = ldap_create( &slap_tls_ld );
 737         if ( rc ) {
 738                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 739                 goto destroy;
 740         }
 741         /* Library defaults to full certificate checking. This is correct when
 742          * a client is verifying a server because all servers should have a
 743          * valid cert. But few clients have valid certs, so we want our default
 744          * to be no checking. The config file can override this as usual.
 745          */
 746         rc = LDAP_OPT_X_TLS_NEVER;
 747         (void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
 748 #endif
 749
 750         rc = slap_init( serverMode, serverName );
 751         if ( rc ) {
 752                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
 753                 goto destroy;
 754         }
 755
 756         if ( read_config( configfile, configdir ) != 0 ) {
 757                 rc = 1;
 758                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
 759
 760                 if ( check & CHECK_CONFIG ) {
 761                         fprintf( stderr, "config check failed\n" );
 762                 }
 763
 764                 goto destroy;
 765         }
 766
 767         if ( debug_unknowns ) {
 768                 rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
 769                 ldap_charray_free( debug_unknowns );
 770                 debug_unknowns = NULL;
 771                 if ( rc )
 772                         goto destroy;
 773         }
 774         if ( syslog_unknowns ) {
 775                 rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
 776                 ldap_charray_free( syslog_unknowns );
 777                 syslog_unknowns = NULL;
 778                 if ( rc )
 779                         goto destroy;
 780         }
 781
 782         if ( check & CHECK_LOGLEVEL ) {
 783                 rc = 0;
 784                 goto destroy;
 785         }
 786
 787         if ( check & CHECK_CONFIG ) {
 788                 fprintf( stderr, "config check succeeded\n" );
 789
 790                 check &= ~CHECK_CONFIG;
 791                 if ( check == CHECK_NONE ) {
 792                         rc = 0;
 793                         goto destroy;
 794                 }
 795         }
 796
 797         if ( glue_sub_attach( 0 ) != 0 ) {
 798                 Debug( LDAP_DEBUG_ANY,
 799                     "subordinate config error\n",
 800                     0, 0, 0 );
 801
 802                 goto destroy;
 803         }
 804
 805         if ( slap_schema_check( ) != 0 ) {
 806                 Debug( LDAP_DEBUG_ANY,
 807                     "schema prep error\n",
 808                     0, 0, 0 );
 809
 810                 goto destroy;
 811         }
 812
 813 #ifdef HAVE_TLS
 814         rc = ldap_pvt_tls_init();
 815         if( rc != 0) {
 816                 Debug( LDAP_DEBUG_ANY,
 817                     "main: TLS init failed: %d\n",
 818                     0, 0, 0 );
 819                 rc = 1;
 820                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 821                 goto destroy;
 822         }
 823
 824         {
 825                 int opt = 1;
 826
 827                 /* Force new ctx to be created */
 828                 rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
 829                 if( rc == 0 ) {
 830                         /* The ctx's refcount is bumped up here */
 831                         ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
 832                         load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
 833                 } else if ( rc != LDAP_NOT_SUPPORTED ) {
 834                         Debug( LDAP_DEBUG_ANY,
 835                             "main: TLS init def ctx failed: %d\n",
 836                             rc, 0, 0 );
 837                         rc = 1;
 838                         SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
 839                         goto destroy;
 840                 }
 841         }
 842 #endif
 843
 844 #ifdef HAVE_CYRUS_SASL
 845         if( sasl_host == NULL ) {
 846                 sasl_host = ch_strdup( global_host );
 847         }
 848 #endif
 849
 850         (void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
 851         (void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
 852
 853 #ifdef SIGPIPE
 854         (void) SIGNAL( SIGPIPE, SIG_IGN );
 855 #endif
 856 #ifdef SIGHUP
 857         (void) SIGNAL( SIGHUP, slap_sig_shutdown );
 858 #endif
 859         (void) SIGNAL( SIGINT, slap_sig_shutdown );
 860         (void) SIGNAL( SIGTERM, slap_sig_shutdown );
 861 #ifdef SIGTRAP
 862         (void) SIGNAL( SIGTRAP, slap_sig_shutdown );
 863 #endif
 864 #ifdef LDAP_SIGCHLD
 865         (void) SIGNAL( LDAP_SIGCHLD, wait4child );
 866 #endif
 867 #ifdef SIGBREAK
 868         /* SIGBREAK is generated when Ctrl-Break is pressed. */
 869         (void) SIGNAL( SIGBREAK, slap_sig_shutdown );
 870 #endif
 871
 872 #ifndef HAVE_WINSOCK
 873         lutil_detach( no_detach, 0 );
 874 #endif /* HAVE_WINSOCK */
 875
 876 #ifdef CSRIMALLOC
 877         mal_leaktrace(1);
 878 #endif
 879
 880         if ( slapd_pid_file != NULL ) {
 881                 FILE *fp = fopen( slapd_pid_file, "w" );
 882
 883                 if ( fp == NULL ) {
 884                         int save_errno = errno;
 885
 886                         Debug( LDAP_DEBUG_ANY, "unable to open pid file "
 887                                 "\"%s\": %d (%s)\n",
 888                                 slapd_pid_file,
 889                                 save_errno, strerror( save_errno ) );
 890
 891                         free( slapd_pid_file );
 892                         slapd_pid_file = NULL;
 893
 894                         rc = 1;
 895                         goto destroy;
 896                 }
 897                 fprintf( fp, "%d\n", (int) getpid() );
 898                 fclose( fp );
 899                 slapd_pid_file_unlink = 1;
 900         }
 901
 902         if ( slapd_args_file != NULL ) {
 903                 FILE *fp = fopen( slapd_args_file, "w" );
 904
 905                 if ( fp == NULL ) {
 906                         int save_errno = errno;
 907
 908                         Debug( LDAP_DEBUG_ANY, "unable to open args file "
 909                                 "\"%s\": %d (%s)\n",
 910                                 slapd_args_file,
 911                                 save_errno, strerror( save_errno ) );
 912
 913                         free( slapd_args_file );
 914                         slapd_args_file = NULL;
 915
 916                         rc = 1;
 917                         goto destroy;
 918                 }
 919
 920                 for ( i = 0; i < g_argc; i++ ) {
 921                         fprintf( fp, "%s ", g_argv[i] );
 922                 }
 923                 fprintf( fp, "\n" );
 924                 fclose( fp );
 925                 slapd_args_file_unlink = 1;
 926         }
 927
 928         /*
 929          * FIXME: moved here from slapd_daemon_task()
 930          * because back-monitor db_open() needs it
 931          */
 932         time( &starttime );
 933
 934         connections_init();
 935
 936         if ( slap_startup( NULL ) != 0 ) {
 937                 rc = 1;
 938                 SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
 939                 goto shutdown;
 940         }
 941
 942         Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
 943
 944 #ifdef HAVE_NT_EVENT_LOG
 945         if (is_NT_Service)
 946         lutil_LogStartedEvent( serverName, slap_debug, configfile ?
 947                 configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
 948 #endif
 949
 950         rc = slapd_daemon();
 951
 952 #ifdef HAVE_NT_SERVICE_MANAGER
 953         /* Throw away the event that we used during the startup process. */
 954         if ( is_NT_Service )
 955                 ldap_pvt_thread_cond_destroy( &started_event );
 956 #endif
 957
 958 shutdown:
 959         /* remember an error during shutdown */
 960         rc |= slap_shutdown( NULL );
 961
 962 destroy:
 963         if ( check & CHECK_LOGLEVEL ) {
 964                 (void)loglevel_print( stdout );
 965         }
 966         /* remember an error during destroy */
 967         rc |= slap_destroy();
 968
 969         while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
 970                 scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
 971                 LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
 972                 ch_free( scp );
 973         }
 974
 975 #ifdef SLAPD_MODULES
 976         module_kill();
 977 #endif
 978
 979         extops_kill();
 980
 981         supported_feature_destroy();
 982         entry_info_destroy();
 983
 984 stop:
 985 #ifdef HAVE_NT_EVENT_LOG
 986         if (is_NT_Service)
 987         lutil_LogStoppedEvent( serverName );
 988 #endif
 989
 990         Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
 991
 992
 993 #ifdef HAVE_NT_SERVICE_MANAGER
 994         lutil_ReportShutdownComplete();
 995 #endif
 996
 997 #ifdef LOG_DEBUG
 998     closelog();
 999 #endif
1000         slapd_daemon_destroy();
1001
1002         controls_destroy();
1003
1004         filter_destroy();
1005
1006         schema_destroy();
1007
1008         lutil_passwd_destroy();
1009
1010 #ifdef HAVE_TLS
1011         if ( slap_tls_ld ) {
1012                 ldap_pvt_tls_ctx_free( slap_tls_ctx );
1013                 ldap_unbind_ext( slap_tls_ld, NULL, NULL );
1014         }
1015         ldap_pvt_tls_destroy();
1016 #endif
1017
1018         slap_sasl_regexp_destroy();
1019
1020         if ( slapd_pid_file_unlink ) {
1021                 unlink( slapd_pid_file );
1022         }
1023         if ( slapd_args_file_unlink ) {
1024                 unlink( slapd_args_file );
1025         }
1026
1027         config_destroy();
1028
1029         if ( configfile )
1030                 ch_free( configfile );
1031         if ( configdir )
1032                 ch_free( configdir );
1033         if ( urls )
1034                 ch_free( urls );
1035         if ( global_host )
1036                 ch_free( global_host );
1037
1038         /* kludge, get symbols referenced */
1039         tavl_free( NULL, NULL );
1040
1041 #ifdef CSRIMALLOC
1042         mal_dumpleaktrace( leakfile );
1043 #endif
1044
1045         MAIN_RETURN(rc);
1046 }
1047
1048
1049 #ifdef LDAP_SIGCHLD
1050
1051 /*
1052  *  Catch and discard terminated child processes, to avoid zombies.
1053  */
1054
1055 static RETSIGTYPE
1056 wait4child( int sig )
1057 {
1058     int save_errno = errno;
1059
1060 #ifdef WNOHANG
1061     do
1062         errno = 0;
1063 #ifdef HAVE_WAITPID
1064     while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
1065 #else
1066     while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
1067 #endif
1068 #else
1069     (void) wait( NULL );
1070 #endif
1071     (void) SIGNAL_REINSTALL( sig, wait4child );
1072     errno = save_errno;
1073 }
1074
1075 #endif /* LDAP_SIGCHLD */