git.sur5r.net Git - openldap/blob - servers/slapd/daemon.c

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10
  11 #include <ac/ctype.h>
  12 #include <ac/errno.h>
  13 #include <ac/signal.h>
  14 #include <ac/socket.h>
  15 #include <ac/string.h>
  16 #include <ac/time.h>
  17 #include <ac/unistd.h>
  18
  19 #include "ldap_pvt.h"
  20 #include "ldap_pvt_thread.h"
  21 #include "lutil.h"
  22 #include "slap.h"
  23
  24 #ifdef HAVE_TCPD
  25 #include <tcpd.h>
  26
  27 int allow_severity = LOG_INFO;
  28 int deny_severity = LOG_NOTICE;
  29 #endif /* TCP Wrappers */
  30
  31 #ifdef LDAP_PF_LOCAL
  32 #include <sys/stat.h>
  33 /* this should go in <ldap.h> as soon as it is accepted */
  34 #define LDAPI_MOD_URLEXT                "x-mod"
  35 #endif /* LDAP_PF_LOCAL */
  36
  37 /* globals */
  38 time_t starttime;
  39 ber_socket_t dtblsize;
  40
  41 Listener **slap_listeners = NULL;
  42
  43 #define SLAPD_LISTEN 10
  44
  45 static ber_socket_t wake_sds[2];
  46
  47 #ifdef NO_THREADS
  48 static int waking;
  49 #define WAKE_LISTENER(w) \
  50 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
  51 #else
  52 #define WAKE_LISTENER(w) \
  53 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
  54 #endif
  55
  56 #ifndef HAVE_WINSOCK
  57 static
  58 #endif
  59 volatile sig_atomic_t slapd_shutdown = 0;
  60
  61 static struct slap_daemon {
  62         ldap_pvt_thread_mutex_t sd_mutex;
  63
  64         int sd_nactives;
  65
  66 #ifndef HAVE_WINSOCK
  67         /* In winsock, accept() returns values higher than dtblsize
  68                 so don't bother with this optimization */
  69         int sd_nfds;
  70 #endif
  71
  72         fd_set sd_actives;
  73         fd_set sd_readers;
  74         fd_set sd_writers;
  75 } slap_daemon;
  76
  77
  78
  79 #ifdef HAVE_SLP
  80 /*
  81  * SLP related functions
  82  */
  83 #include <slp.h>
  84
  85 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
  86 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
  87 static char** slapd_srvurls = NULL;
  88 static SLPHandle slapd_hslp = 0;
  89
  90 void slapd_slp_init( const char* urls ) {
  91         int i;
  92
  93         slapd_srvurls = str2charray( urls, " " );
  94
  95         if( slapd_srvurls == NULL ) return;
  96
  97         /* find and expand INADDR_ANY URLs */
  98         for( i=0; slapd_srvurls[i] != NULL; i++ ) {
  99                 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
 100                         char *host = ldap_pvt_get_fqdn( NULL );
 101                         if ( host != NULL ) {
 102                                 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
 103                                         strlen( host ) +
 104                                         sizeof( LDAP_SRVTYPE_PREFIX ) );
 105                                 strcpy( slap_strcopy(slapd_srvurls[i],
 106                                         LDAP_SRVTYPE_PREFIX ), host );
 107
 108                                 ch_free( host );
 109                         }
 110
 111                 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
 112                         char *host = ldap_pvt_get_fqdn( NULL );
 113                         if ( host != NULL ) {
 114                                 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
 115                                         strlen( host ) +
 116                                         sizeof( LDAPS_SRVTYPE_PREFIX ) );
 117                                 strcpy( slap_strcopy(slapd_srvurls[i],
 118                                         LDAPS_SRVTYPE_PREFIX ), host );
 119
 120                                 ch_free( host );
 121                         }
 122                 }
 123         }
 124
 125         /* open the SLP handle */
 126         SLPOpen( "en", 0, &slapd_hslp );
 127 }
 128
 129 void slapd_slp_deinit() {
 130         if( slapd_srvurls == NULL ) return;
 131
 132         charray_free( slapd_srvurls );
 133         slapd_srvurls = NULL;
 134
 135         /* close the SLP handle */
 136         SLPClose( slapd_hslp );
 137 }
 138
 139 void slapd_slp_regreport(
 140         SLPHandle hslp,
 141         SLPError errcode,
 142         void* cookie )
 143 {
 144         /* empty report */
 145 }
 146
 147 void slapd_slp_reg() {
 148         int i;
 149
 150         for( i=0; slapd_srvurls[i] != NULL; i++ ) {
 151                 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
 152                                 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
 153                     strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
 154                                 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
 155                 {
 156                         SLPReg( slapd_hslp,
 157                                 slapd_srvurls[i],
 158                                 SLP_LIFETIME_MAXIMUM,
 159                                 "ldap",
 160                                 "",
 161                                 1,
 162                                 slapd_slp_regreport,
 163                                 NULL );
 164                 }
 165         }
 166 }
 167
 168 void slapd_slp_dereg() {
 169         int i;
 170
 171         for( i=0; slapd_srvurls[i] != NULL; i++ ) {
 172                 SLPDereg( slapd_hslp,
 173                         slapd_srvurls[i],
 174                         slapd_slp_regreport,
 175                         NULL );
 176         }
 177 }
 178 #endif /* HAVE_SLP */
 179
 180 /*
 181  * Add a descriptor to daemon control
 182  */
 183 static void slapd_add(ber_socket_t s) {
 184         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 185
 186         assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
 187         assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
 188         assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
 189
 190 #ifndef HAVE_WINSOCK
 191         if (s >= slap_daemon.sd_nfds) {
 192                 slap_daemon.sd_nfds = s + 1;
 193         }
 194 #endif
 195
 196         FD_SET( s, &slap_daemon.sd_actives );
 197         FD_SET( s, &slap_daemon.sd_readers );
 198
 199 #ifdef NEW_LOGGING
 200         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
 201                    "slapd_add: added %ld%s%s\n",
 202                    (long)s,
 203                    FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
 204                    FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ));
 205 #else
 206         Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
 207                 (long) s,
 208             FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
 209                 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
 210 #endif
 211         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 212 }
 213
 214 /*
 215  * Remove the descriptor from daemon control
 216  */
 217 void slapd_remove(ber_socket_t s, int wake) {
 218         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 219
 220 #ifdef NEW_LOGGING
 221         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
 222                    "slapd_remove: removing %ld%s%s\n",
 223                    (long) s,
 224                    FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
 225                    FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : ""  ));
 226 #else
 227         Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
 228                 (long) s,
 229             FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
 230                 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
 231 #endif
 232         FD_CLR( s, &slap_daemon.sd_actives );
 233         FD_CLR( s, &slap_daemon.sd_readers );
 234         FD_CLR( s, &slap_daemon.sd_writers );
 235
 236         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 237         WAKE_LISTENER(wake);
 238 }
 239
 240 void slapd_clr_write(ber_socket_t s, int wake) {
 241         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 242
 243         assert( FD_ISSET( s, &slap_daemon.sd_actives) );
 244         FD_CLR( s, &slap_daemon.sd_writers );
 245
 246         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 247         WAKE_LISTENER(wake);
 248 }
 249
 250 void slapd_set_write(ber_socket_t s, int wake) {
 251         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 252
 253         assert( FD_ISSET( s, &slap_daemon.sd_actives) );
 254         if (!FD_ISSET(s, &slap_daemon.sd_writers))
 255             FD_SET( (unsigned) s, &slap_daemon.sd_writers );
 256
 257         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 258         WAKE_LISTENER(wake);
 259 }
 260
 261 void slapd_clr_read(ber_socket_t s, int wake) {
 262         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 263
 264         assert( FD_ISSET( s, &slap_daemon.sd_actives) );
 265         FD_CLR( s, &slap_daemon.sd_readers );
 266
 267         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 268         WAKE_LISTENER(wake);
 269 }
 270
 271 void slapd_set_read(ber_socket_t s, int wake) {
 272         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
 273
 274         assert( FD_ISSET( s, &slap_daemon.sd_actives) );
 275         if (!FD_ISSET(s, &slap_daemon.sd_readers))
 276             FD_SET( s, &slap_daemon.sd_readers );
 277
 278         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
 279         WAKE_LISTENER(wake);
 280 }
 281
 282 static void slapd_close(ber_socket_t s) {
 283 #ifdef NEW_LOGGING
 284         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
 285                    "slapd_close: closing %ld\n", (long)s ));
 286 #else
 287         Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
 288                 (long) s, 0, 0 );
 289 #endif
 290         tcp_close(s);
 291 }
 292
 293 static void slap_free_listener_addresses(struct sockaddr **sal)
 294 {
 295         struct sockaddr **sap;
 296
 297         if (sal == NULL) {
 298                 return;
 299         }
 300
 301         for (sap = sal; *sap != NULL; sap++) {
 302                 ch_free(*sap);
 303         }
 304
 305         ch_free(sal);
 306 }
 307
 308 #ifdef LDAP_PF_LOCAL
 309 static int get_url_perms(
 310         char    **exts,
 311         mode_t  *perms,
 312         int     *crit )
 313 {
 314         int     i;
 315
 316         assert( exts );
 317         assert( perms );
 318         assert( crit );
 319
 320         *crit = 0;
 321         for ( i = 0; exts[ i ]; i++ ) {
 322                 char    *type = exts[ i ];
 323                 int     c = 0;
 324
 325                 if ( type[ 0 ] == '!' ) {
 326                         c = 1;
 327                         type++;
 328                 }
 329
 330                 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
 331                         char    *value = type + sizeof(LDAPI_MOD_URLEXT "=") - 1;
 332                         mode_t  p = 0;
 333
 334 #if 0
 335                         if ( strlen( value ) != 9 ) {
 336                                 return LDAP_OTHER;
 337                         }
 338
 339                         switch ( value[ 0 ] ) {
 340                         case 'r':
 341                                 p |= S_IRUSR;
 342                                 break;
 343                         case '-':
 344                                 break;
 345                         default:
 346                                 return LDAP_OTHER;
 347                         }
 348
 349                         switch ( value[ 1 ] ) {
 350                         case 'w':
 351                                 p |= S_IWUSR;
 352                                 break;
 353                         case '-':
 354                                 break;
 355                         default:
 356                                 return LDAP_OTHER;
 357                         }
 358
 359                         switch ( value[ 2 ] ) {
 360                         case 'x':
 361                                 p |= S_IXUSR;
 362                                 break;
 363                         case '-':
 364                                 break;
 365                         default:
 366                                 return LDAP_OTHER;
 367                         }
 368
 369                         switch ( value[ 3 ] ) {
 370                         case 'r':
 371                                 p |= S_IRGRP;
 372                                 break;
 373                         case '-':
 374                                 break;
 375                         default:
 376                                 return LDAP_OTHER;
 377                         }
 378
 379                         switch ( value[ 4 ] ) {
 380                         case 'w':
 381                                 p |= S_IWGRP;
 382                                 break;
 383                         case '-':
 384                                 break;
 385                         default:
 386                                 return LDAP_OTHER;
 387                         }
 388
 389                         switch ( value[ 5 ] ) {
 390                         case 'x':
 391                                 p |= S_IXGRP;
 392                                 break;
 393                         case '-':
 394                                 break;
 395                         default:
 396                                 return LDAP_OTHER;
 397                         }
 398
 399                         switch ( value[ 6 ] ) {
 400                         case 'r':
 401                                 p |= S_IROTH;
 402                                 break;
 403                         case '-':
 404                                 break;
 405                         default:
 406                                 return LDAP_OTHER;
 407                         }
 408
 409                         switch ( value[ 7 ] ) {
 410                         case 'w':
 411                                 p |= S_IWOTH;
 412                                 break;
 413                         case '-':
 414                                 break;
 415                         default:
 416                                 return LDAP_OTHER;
 417                         }
 418
 419                         switch ( value[ 8 ] ) {
 420                         case 'x':
 421                                 p |= S_IXOTH;
 422                                 break;
 423                         case '-':
 424                                 break;
 425                         default:
 426                                 return LDAP_OTHER;
 427                         }
 428 #else
 429                         if ( strlen(value) != 3 ) {
 430                                 return LDAP_OTHER;
 431                         }
 432
 433                         switch ( value[ 0 ] ) {
 434                         case 'w':
 435                                 p |= S_IRWXU;
 436                                 break;
 437                         case '-':
 438                                 break;
 439                         default:
 440                                 return LDAP_OTHER;
 441                         }
 442
 443                         switch ( value[ 1 ] ) {
 444                         case 'w':
 445                                 p |= S_IRWXG;
 446                                 break;
 447                         case '-':
 448                                 break;
 449                         default:
 450                                 return LDAP_OTHER;
 451                         }
 452
 453                         switch ( value[ 2 ] ) {
 454                         case 'w':
 455                                 p |= S_IRWXO;
 456                                 break;
 457                         case '-':
 458                                 break;
 459                         default:
 460                                 return LDAP_OTHER;
 461                         }
 462 #endif
 463
 464                         *crit = c;
 465                         *perms = p;
 466
 467                         return LDAP_SUCCESS;
 468                 }
 469         }
 470 }
 471 #endif /* LDAP_PF_LOCAL */
 472
 473 /* port = 0 indicates AF_LOCAL */
 474 static int slap_get_listener_addresses(
 475         const char *host,
 476         unsigned short port,
 477         struct sockaddr ***sal)
 478 {
 479         struct sockaddr **sap;
 480
 481 #ifdef LDAP_PF_LOCAL
 482         if ( port == 0 ) {
 483                 *sal = ch_malloc(2 * sizeof(void *));
 484                 if (*sal == NULL) {
 485                         return -1;
 486                 }
 487
 488                 sap = *sal;
 489                 *sap = ch_malloc(sizeof(struct sockaddr_un));
 490                 if (*sap == NULL)
 491                         goto errexit;
 492                 sap[1] = NULL;
 493
 494                 if ( strlen(host) >
 495                      (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
 496 #ifdef NEW_LOGGING
 497                         LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 498                                    "slap_get_listener_addresses: domain socket path (%s) too long in URL\n",
 499                                    host ));
 500 #else
 501                         Debug( LDAP_DEBUG_ANY,
 502                                "daemon: domain socket path (%s) too long in URL",
 503                                host, 0, 0);
 504 #endif
 505                         goto errexit;
 506                 }
 507
 508                 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
 509                 (*sap)->sa_family = AF_LOCAL;
 510                 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
 511         } else
 512 #endif
 513         {
 514 #ifdef HAVE_GETADDRINFO
 515                 struct addrinfo hints, *res, *sai;
 516                 int n, err;
 517                 char serv[7];
 518
 519                 memset( &hints, '\0', sizeof(hints) );
 520                 hints.ai_flags = AI_PASSIVE;
 521                 hints.ai_socktype = SOCK_STREAM;
 522                 hints.ai_family = AF_UNSPEC;
 523                 snprintf(serv, sizeof serv, "%d", port);
 524
 525                 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
 526 #ifdef NEW_LOGGING
 527                         LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 528                                    "slap_get_listener_addresses: getaddrinfo failed: %s\n",
 529                                    AC_GAI_STRERROR(err) ));
 530 #else
 531                         Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
 532                                 AC_GAI_STRERROR(err), 0, 0);
 533 #endif
 534                         return -1;
 535                 }
 536
 537                 sai = res;
 538                 for (n=2; (sai = sai->ai_next) != NULL; n++) {
 539                         /* EMPTY */ ;
 540                 }
 541                 *sal = ch_calloc(n, sizeof(void *));
 542                 if (*sal == NULL) {
 543                         return -1;
 544                 }
 545
 546                 sap = *sal;
 547                 *sap = NULL;
 548
 549                 for ( sai=res; sai; sai=sai->ai_next ) {
 550                         if( sai->ai_addr == NULL ) {
 551 #ifdef NEW_LOGGING
 552                                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 553                                         "slap_get_listener_addresses: "
 554                                         "getaddrinfo ai_addr is NULL?\n" ));
 555 #else
 556                                 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
 557                                         "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
 558 #endif
 559                                 freeaddrinfo(res);
 560                                 goto errexit;
 561                         }
 562
 563                         switch (sai->ai_family) {
 564 #  ifdef LDAP_PF_INET6
 565                         case AF_INET6:
 566                                 *sap = ch_malloc(sizeof(struct sockaddr_in6));
 567                                 if (*sap == NULL) {
 568                                         freeaddrinfo(res);
 569                                         goto errexit;
 570                                 }
 571                                 *(struct sockaddr_in6 *)*sap =
 572                                         *((struct sockaddr_in6 *)sai->ai_addr);
 573                                 break;
 574 #  endif
 575                         case AF_INET:
 576                                 *sap = ch_malloc(sizeof(struct sockaddr_in));
 577                                 if (*sap == NULL) {
 578                                         freeaddrinfo(res);
 579                                         goto errexit;
 580                                 }
 581                                 *(struct sockaddr_in *)*sap =
 582                                         *((struct sockaddr_in *)sai->ai_addr);
 583                                 break;
 584                         default:
 585                                 *sap = NULL;
 586                                 break;
 587                         }
 588
 589                         if (*sap != NULL) {
 590                                 (*sap)->sa_family = sai->ai_family;
 591                                 sap++;
 592                                 *sap = NULL;
 593                         }
 594                 }
 595
 596                 freeaddrinfo(res);
 597 #else
 598                 struct in_addr in;
 599
 600                 if ( host == NULL ) {
 601                         in.s_addr = htonl(INADDR_ANY);
 602
 603                 } else if ( !inet_aton( host, &in ) ) {
 604                         struct hostent *he = gethostbyname( host );
 605                         if( he == NULL ) {
 606 #ifdef NEW_LOGGING
 607                                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 608                                            "slap_get_listener_addresses: invalid host %s\n",
 609                                            host ));
 610 #else
 611                                 Debug( LDAP_DEBUG_ANY,
 612                                        "daemon: invalid host %s", host, 0, 0);
 613 #endif
 614                                 return -1;
 615                         }
 616                         AC_MEMCPY( &in, he->h_addr, sizeof( in ) );
 617                 }
 618
 619                 *sal = ch_malloc(2 * sizeof(void *));
 620                 if (*sal == NULL) {
 621                         return -1;
 622                 }
 623
 624                 sap = *sal;
 625                 *sap = ch_malloc(sizeof(struct sockaddr_in));
 626                 if (*sap == NULL) {
 627                         goto errexit;
 628                 }
 629                 sap[1] = NULL;
 630
 631                 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) );
 632                 (*sap)->sa_family = AF_INET;
 633                 ((struct sockaddr_in *)*sap)->sin_port = htons(port);
 634                 ((struct sockaddr_in *)*sap)->sin_addr = in;
 635 #endif
 636         }
 637
 638         return 0;
 639
 640 errexit:
 641         slap_free_listener_addresses(*sal);
 642         return -1;
 643 }
 644
 645 static Listener * slap_open_listener(
 646         const char* url )
 647 {
 648         int     tmp, rc;
 649         Listener l;
 650         Listener *li;
 651         LDAPURLDesc *lud;
 652         unsigned short port;
 653         int err, addrlen = 0;
 654         struct sockaddr **sal, **psal;
 655         int socktype = SOCK_STREAM;     /* default to COTS */
 656 #ifdef LDAP_PF_LOCAL
 657         mode_t  perms = S_IRWXU;
 658         int     crit = 1;
 659 #endif
 660
 661         rc = ldap_url_parse( url, &lud );
 662
 663         if( rc != LDAP_URL_SUCCESS ) {
 664 #ifdef NEW_LOGGING
 665                 LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
 666                            "slap_open_listener: listen URL \"%s\" parse error %d\n",
 667                            url, rc ));
 668 #else
 669                 Debug( LDAP_DEBUG_ANY,
 670                         "daemon: listen URL \"%s\" parse error=%d\n",
 671                         url, rc, 0 );
 672 #endif
 673                 return NULL;
 674         }
 675
 676 #ifndef HAVE_TLS
 677         if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
 678 #ifdef NEW_LOGGING
 679                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 680                            "slap_open_listener: TLS is not supported (%s)\n",
 681                            url ));
 682 #else
 683                 Debug( LDAP_DEBUG_ANY,
 684                         "daemon: TLS not supported (%s)\n",
 685                         url, 0, 0 );
 686 #endif
 687                 ldap_free_urldesc( lud );
 688                 return NULL;
 689         }
 690
 691         if(! lud->lud_port ) {
 692                 lud->lud_port = LDAP_PORT;
 693         }
 694
 695 #else
 696         l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
 697
 698         if(! lud->lud_port ) {
 699                 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
 700         }
 701 #endif
 702
 703         port = (unsigned short) lud->lud_port;
 704
 705         tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
 706         if ( tmp == LDAP_PROTO_IPC ) {
 707 #ifdef LDAP_PF_LOCAL
 708                 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
 709                         err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
 710                 } else {
 711                         err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
 712                 }
 713
 714                 if ( lud->lud_exts ) {
 715                         err = get_url_perms( lud->lud_exts, &perms, &crit );
 716                 }
 717 #else
 718
 719 #ifdef NEW_LOGGING
 720                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 721                            "slap_open_listener: URL scheme is not supported: %s\n",
 722                            url ));
 723 #else
 724                 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
 725                         url, 0, 0);
 726 #endif
 727                 ldap_free_urldesc( lud );
 728                 return NULL;
 729 #endif
 730         } else {
 731 #ifdef LDAP_CONNECTIONLESS
 732                 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
 733 #endif
 734                 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
 735                         || strcmp(lud->lud_host, "*") == 0 )
 736                 {
 737                         err = slap_get_listener_addresses(NULL, port, &sal);
 738                 } else {
 739                         err = slap_get_listener_addresses(lud->lud_host, port, &sal);
 740                 }
 741         }
 742
 743         ldap_free_urldesc( lud );
 744         if ( err ) {
 745                 return NULL;
 746         }
 747
 748         psal = sal;
 749         while ( *sal != NULL ) {
 750                 switch( (*sal)->sa_family ) {
 751                 case AF_INET:
 752 #ifdef LDAP_PF_INET6
 753                 case AF_INET6:
 754 #endif
 755 #ifdef LDAP_PF_LOCAL
 756                 case AF_LOCAL:
 757 #endif
 758                         break;
 759                 default:
 760                         sal++;
 761                         continue;
 762                 }
 763 #ifdef LDAP_CONNECTIONLESS
 764                 if (l.sl_is_udp)
 765                     socktype = SOCK_DGRAM;
 766 #endif
 767                 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
 768                 if ( l.sl_sd == AC_SOCKET_INVALID ) {
 769                         int err = sock_errno();
 770 #ifdef NEW_LOGGING
 771                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
 772                                    "slap_open_listener: socket() failed errno=%d (%s)\n",
 773                                    err, sock_errstr(err) ));
 774 #else
 775                         Debug( LDAP_DEBUG_ANY,
 776                                 "daemon: socket() failed errno=%d (%s)\n", err,
 777                                 sock_errstr(err), 0 );
 778 #endif
 779                         sal++;
 780                         continue;
 781                 }
 782 #ifndef HAVE_WINSOCK
 783                 if ( l.sl_sd >= dtblsize ) {
 784 #ifdef NEW_LOGGING
 785                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
 786                                    "slap_open_listener: listener descriptor %ld is too great %ld\n",
 787                                    (long)l.sl_sd, (long)dtblsize ));
 788 #else
 789                         Debug( LDAP_DEBUG_ANY,
 790                                "daemon: listener descriptor %ld is too great %ld\n",
 791                                (long) l.sl_sd, (long) dtblsize, 0 );
 792 #endif
 793                         tcp_close( l.sl_sd );
 794                         sal++;
 795                         continue;
 796                 }
 797 #endif
 798 #ifdef LDAP_PF_LOCAL
 799                 if ( (*sal)->sa_family == AF_LOCAL ) {
 800                         unlink ( ((struct sockaddr_un *)*sal)->sun_path );
 801                 } else
 802 #endif
 803                 {
 804 #ifdef SO_REUSEADDR
 805                         /* enable address reuse */
 806                         tmp = 1;
 807                         rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
 808                                          (char *) &tmp, sizeof(tmp) );
 809                         if ( rc == AC_SOCKET_ERROR ) {
 810                                 int err = sock_errno();
 811 #ifdef NEW_LOGGING
 812                                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 813                                            "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) failed errno %d (%s)\n",
 814                                            (long)l.sl_sd, err, sock_errstr(err) ));
 815 #else
 816                                 Debug( LDAP_DEBUG_ANY,
 817                                        "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
 818                                        (long) l.sl_sd, err, sock_errstr(err) );
 819 #endif
 820                         }
 821 #endif
 822                 }
 823
 824                 switch( (*sal)->sa_family ) {
 825                 case AF_INET:
 826                         addrlen = sizeof(struct sockaddr_in);
 827                         break;
 828 #ifdef LDAP_PF_INET6
 829                 case AF_INET6:
 830                         addrlen = sizeof(struct sockaddr_in6);
 831                         break;
 832 #endif
 833 #ifdef LDAP_PF_LOCAL
 834                 case AF_LOCAL:
 835                         addrlen = sizeof(struct sockaddr_un);
 836                         break;
 837 #endif
 838                 }
 839
 840                 if (!bind(l.sl_sd, *sal, addrlen))
 841                         break;
 842                 err = sock_errno();
 843 #ifdef NEW_LOGGING
 844                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 845                            "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
 846                            (long)l.sl_sd, err, sock_errstr(err) ));
 847 #else
 848                 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
 849                        (long) l.sl_sd, err, sock_errstr(err) );
 850 #endif
 851                 tcp_close( l.sl_sd );
 852                 sal++;
 853         } /* while ( *sal != NULL ) */
 854
 855         if ( *sal == NULL ) {
 856 #ifdef NEW_LOGGING
 857                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 858                            "slap_open_listener: bind(%ld) failed.\n", (long)l.sl_sd ));
 859 #else
 860                 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
 861                         (long) l.sl_sd, 0, 0 );
 862 #endif
 863                 slap_free_listener_addresses(psal);
 864                 return NULL;
 865         }
 866
 867         switch ( (*sal)->sa_family ) {
 868 #ifdef LDAP_PF_LOCAL
 869         case AF_LOCAL: {
 870                 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
 871                 if ( chmod( addr, perms ) < 0 && crit ) {
 872                         int err = sock_errno();
 873 #ifdef NEW_LOGGING
 874                         LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 875                                    "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
 876                                    (long)l.sl_sd, err, sock_errstr(err) ));
 877 #else
 878                         Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
 879                                (long) l.sl_sd, err, sock_errstr(err) );
 880 #endif
 881                         tcp_close( l.sl_sd );
 882                         slap_free_listener_addresses(psal);
 883                         return NULL;
 884                 }
 885                 l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
 886                 sprintf( l.sl_name, "PATH=%s", addr );
 887         } break;
 888 #endif /* LDAP_PF_LOCAL */
 889
 890         case AF_INET: {
 891                 char *s;
 892 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
 893                 char addr[INET_ADDRSTRLEN];
 894                 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
 895                            addr, sizeof(addr) );
 896                 s = addr;
 897 #else
 898                 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
 899 #endif
 900                 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
 901                 l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65535") );
 902                 sprintf( l.sl_name, "IP=%s:%d",
 903                          s != NULL ? s : "unknown" , port );
 904         } break;
 905
 906 #ifdef LDAP_PF_INET6
 907         case AF_INET6: {
 908                 char addr[INET6_ADDRSTRLEN];
 909                 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
 910                            addr, sizeof addr);
 911                 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
 912                 l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
 913                 sprintf( l.sl_name, "IP=%s %d", addr, port );
 914         } break;
 915 #endif /* LDAP_PF_INET6 */
 916
 917         default:
 918 #ifdef NEW_LOGGING
 919                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
 920                            "slap_open_listener: unsupported address family (%d)\n",
 921                            (int)(*sal)->sa_family ));
 922 #else
 923                 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
 924                         (int) (*sal)->sa_family, 0, 0 );
 925 #endif
 926                 break;
 927         }
 928
 929         slap_free_listener_addresses(psal);
 930
 931         l.sl_url = ch_strdup( url );
 932         li = ch_malloc( sizeof( Listener ) );
 933         *li = l;
 934
 935 #ifdef NEW_LOGGING
 936         LDAP_LOG(( "connection", LDAP_LEVEL_RESULTS,
 937                    "slap_open_listener: daemon initialzed %s\n", l.sl_url ));
 938 #else
 939         Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
 940                 l.sl_url, 0, 0 );
 941 #endif
 942         return li;
 943 }
 944
 945 static int sockinit(void);
 946 static int sockdestroy(void);
 947
 948 int slapd_daemon_init( const char *urls )
 949 {
 950         int i, rc;
 951         char **u;
 952
 953 #ifdef NEW_LOGGING
 954         LDAP_LOG(( "connection", LDAP_LEVEL_ARGS,
 955                    "slapd_daemon_init: %s\n",
 956                    urls ? urls : "<null>" ));
 957 #else
 958         Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
 959                 urls ? urls : "<null>", 0, 0 );
 960 #endif
 961         if( (rc = sockinit()) != 0 ) {
 962                 return rc;
 963         }
 964
 965 #ifdef HAVE_SYSCONF
 966         dtblsize = sysconf( _SC_OPEN_MAX );
 967 #elif HAVE_GETDTABLESIZE
 968         dtblsize = getdtablesize();
 969 #else
 970         dtblsize = FD_SETSIZE;
 971 #endif
 972
 973 #ifdef FD_SETSIZE
 974         if(dtblsize > FD_SETSIZE) {
 975                 dtblsize = FD_SETSIZE;
 976         }
 977 #endif  /* !FD_SETSIZE */
 978
 979         /* open a pipe (or something equivalent connected to itself).
 980          * we write a byte on this fd whenever we catch a signal. The main
 981          * loop will be select'ing on this socket, and will wake up when
 982          * this byte arrives.
 983          */
 984         if( (rc = lutil_pair( wake_sds )) < 0 ) {
 985 #ifdef NEW_LOGGING
 986                 LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
 987                            "slap_daemon_init: lutil_pair() failed rc=%d\n", rc ));
 988 #else
 989                 Debug( LDAP_DEBUG_ANY,
 990                         "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
 991 #endif
 992                 return rc;
 993         }
 994
 995         FD_ZERO( &slap_daemon.sd_readers );
 996         FD_ZERO( &slap_daemon.sd_writers );
 997
 998         if( urls == NULL ) {
 999                 urls = "ldap:///";
1000         }
1001
1002         u = str2charray( urls, " " );
1003
1004         if( u == NULL || u[0] == NULL ) {
1005 #ifdef NEW_LOGGING
1006                 LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1007                            "slap_daemon_init: no urls (%s) provided.\n", urls ));
1008 #else
1009                 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1010                         urls, 0, 0 );
1011 #endif
1012                 return -1;
1013         }
1014
1015         for( i=0; u[i] != NULL; i++ ) {
1016 #ifdef NEW_LOGGING
1017                 LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
1018                            "slap_daemon_init: listen on %s\n.", u[i] ));
1019 #else
1020                 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1021                         u[i], 0, 0 );
1022 #endif
1023         }
1024
1025         if( i == 0 ) {
1026 #ifdef NEW_LOGGING
1027                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
1028                            "slap_daemon_init: no listeners to open (%s)\n", urls ));
1029 #else
1030                 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1031                         urls, 0, 0 );
1032 #endif
1033                 charray_free( u );
1034                 return -1;
1035         }
1036
1037 #ifdef NEW_LOGGING
1038         LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
1039                    "slap_daemon_init: %d listeners to open...\n", i ));
1040 #else
1041         Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1042                 i, 0, 0 );
1043 #endif
1044         slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1045
1046         for(i = 0; u[i] != NULL; i++ ) {
1047                 slap_listeners[i] = slap_open_listener( u[i] );
1048
1049                 if( slap_listeners[i] == NULL ) {
1050                         charray_free( u );
1051                         return -1;
1052                 }
1053         }
1054         slap_listeners[i] = NULL;
1055
1056 #ifdef NEW_LOGGING
1057         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
1058                    "slap_daemon_init: %d listeners opened\n", i ));
1059 #else
1060         Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1061                 i, 0, 0 );
1062 #endif
1063
1064 #ifdef HAVE_SLP
1065         slapd_slp_init( urls );
1066         slapd_slp_reg();
1067 #endif
1068
1069         charray_free( u );
1070         ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1071         return !i;
1072 }
1073
1074
1075 int
1076 slapd_daemon_destroy(void)
1077 {
1078         connections_destroy();
1079         tcp_close( wake_sds[1] );
1080         tcp_close( wake_sds[0] );
1081         sockdestroy();
1082
1083 #ifdef HAVE_SLP
1084         slapd_slp_dereg();
1085         slapd_slp_deinit();
1086 #endif
1087
1088         return 0;
1089 }
1090
1091
1092 static void *
1093 slapd_daemon_task(
1094         void *ptr
1095 )
1096 {
1097         int l;
1098         time_t  last_idle_check = 0;
1099         time( &starttime );
1100
1101         if ( global_idletimeout > 0 ) {
1102                 last_idle_check = slap_get_time();
1103         }
1104         for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1105                 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1106                         continue;
1107 #ifdef LDAP_CONNECTIONLESS
1108                 /* Since this is connectionless, the data port is the
1109                  * listening port. The listen() and accept() calls
1110                  * are unnecessary.
1111                  */
1112                 if ( slap_listeners[l]->sl_is_udp )
1113                 {
1114                         slapd_add( slap_listeners[l]->sl_sd );
1115                         continue;
1116                 }
1117 #endif
1118
1119                 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1120                         int err = sock_errno();
1121 #ifdef NEW_LOGGING
1122                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1123                                    "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1124                                    slap_listeners[l]->sl_url, err, sock_errstr(err) ));
1125 #else
1126                         Debug( LDAP_DEBUG_ANY,
1127                                 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1128                                         slap_listeners[l]->sl_url, err,
1129                                         sock_errstr(err) );
1130 #endif
1131                         return( (void*)-1 );
1132                 }
1133
1134                 slapd_add( slap_listeners[l]->sl_sd );
1135         }
1136
1137 #ifdef HAVE_NT_SERVICE_MANAGER
1138         if ( started_event != NULL ) {
1139                 ldap_pvt_thread_cond_signal( &started_event );
1140         }
1141 #endif
1142         /* initialization complete. Here comes the loop. */
1143
1144         while ( !slapd_shutdown ) {
1145                 ber_socket_t i;
1146                 int ns;
1147                 int at;
1148                 ber_socket_t nfds;
1149 #define SLAPD_EBADF_LIMIT 16
1150                 int ebadf = 0;
1151                 int emfile = 0;
1152
1153 #define SLAPD_IDLE_CHECK_LIMIT 4
1154                 time_t  now;
1155
1156
1157                 fd_set                  readfds;
1158                 fd_set                  writefds;
1159                 Sockaddr                from;
1160
1161 #if defined(SLAPD_RLOOKUPS)
1162                 struct hostent          *hp;
1163 #endif
1164                 struct timeval          zero;
1165                 struct timeval          *tvp;
1166
1167                 if( emfile ) {
1168                         now = slap_get_time();
1169                         connections_timeout_idle( now );
1170                 }
1171                 else if ( global_idletimeout > 0 ) {
1172                         now = slap_get_time();
1173                         if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1174                                 connections_timeout_idle( now );
1175                         }
1176                 }
1177
1178                 FD_ZERO( &writefds );
1179                 FD_ZERO( &readfds );
1180
1181                 zero.tv_sec = 0;
1182                 zero.tv_usec = 0;
1183
1184                 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1185
1186 #ifdef FD_SET_MANUAL_COPY
1187                 for( s = 0; s < nfds; s++ ) {
1188                         if(FD_ISSET( &slap_sd_readers, s )) {
1189                                 FD_SET( s, &readfds );
1190                         }
1191                         if(FD_ISSET( &slap_sd_writers, s )) {
1192                                 FD_SET( s, &writefds );
1193                         }
1194                 }
1195 #else
1196                 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1197                 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1198 #endif
1199                 assert(!FD_ISSET(wake_sds[0], &readfds));
1200                 FD_SET( wake_sds[0], &readfds );
1201
1202                 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1203                         if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1204                                 continue;
1205                         if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1206                             FD_SET( slap_listeners[l]->sl_sd, &readfds );
1207                 }
1208
1209 #ifndef HAVE_WINSOCK
1210                 nfds = slap_daemon.sd_nfds;
1211 #else
1212                 nfds = dtblsize;
1213 #endif
1214
1215                 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1216
1217                 at = ldap_pvt_thread_pool_backload(&connection_pool);
1218
1219 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1220                 tvp = NULL;
1221 #else
1222                 tvp = at ? &zero : NULL;
1223 #endif
1224
1225                 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1226                         if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1227                                 continue;
1228
1229 #ifdef NEW_LOGGING
1230                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
1231                                    "slapd_daemon_task: select: listen=%d active_threads=%d tvp=%s\n",
1232                                    slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" ));
1233 #else
1234                         Debug( LDAP_DEBUG_CONNS,
1235                                 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1236                                         slap_listeners[l]->sl_sd, at,
1237                                         tvp == NULL ? "NULL" : "zero" );
1238 #endif
1239                 }
1240
1241                 switch(ns = select( nfds, &readfds,
1242 #ifdef HAVE_WINSOCK
1243                         /* don't pass empty fd_set */
1244                         ( writefds.fd_count > 0 ? &writefds : NULL ),
1245 #else
1246                         &writefds,
1247 #endif
1248                         NULL, tvp ))
1249                 {
1250                 case -1: {      /* failure - try again */
1251                                 int err = sock_errno();
1252
1253                                 if( err == EBADF
1254 #ifdef WSAENOTSOCK
1255                                         /* you'd think this would be EBADF */
1256                                         || err == WSAENOTSOCK
1257 #endif
1258                                 ) {
1259                                         if (++ebadf < SLAPD_EBADF_LIMIT)
1260                                                 continue;
1261                                 }
1262
1263                                 if( err != EINTR ) {
1264 #ifdef NEW_LOGGING
1265                                         LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
1266                                                    "slapd_daemon_task: select failed (%d): %s\n",
1267                                                    err, sock_errstr(err) ));
1268 #else
1269                                         Debug( LDAP_DEBUG_CONNS,
1270                                                 "daemon: select failed (%d): %s\n",
1271                                                 err, sock_errstr(err), 0 );
1272 #endif
1273                                         slapd_shutdown = -1;
1274                                 }
1275                         }
1276                         continue;
1277
1278                 case 0:         /* timeout - let threads run */
1279                         ebadf = 0;
1280 #ifdef NEW_LOGGING
1281                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1282                                    "slapd_daemon_task: select timeout - yielding\n" ));
1283 #else
1284                         Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1285                             0, 0, 0 );
1286 #endif
1287                         ldap_pvt_thread_yield();
1288                         continue;
1289
1290                 default:        /* something happened - deal with it */
1291                         if( slapd_shutdown ) continue;
1292
1293                         ebadf = 0;
1294 #ifdef NEW_LOGGING
1295                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1296                                    "slapd_daemon_task: activity on %d descriptors\n", ns ));
1297 #else
1298                         Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1299                                 ns, 0, 0 );
1300 #endif
1301                         /* FALL THRU */
1302                 }
1303
1304                 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1305                         char c[BUFSIZ];
1306                         tcp_read( wake_sds[0], c, sizeof(c) );
1307 #ifdef NO_THREADS
1308                         waking = 0;
1309 #endif
1310                         continue;
1311                 }
1312
1313                 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1314                         ber_socket_t s;
1315                         socklen_t len = sizeof(from);
1316                         long id;
1317                         slap_ssf_t ssf = 0;
1318                         char *authid = NULL;
1319
1320                         char    *dnsname = NULL;
1321                         char    *peeraddr;
1322 #ifdef LDAP_PF_LOCAL
1323                         char    peername[MAXPATHLEN + sizeof("PATH=")];
1324 #elif defined(LDAP_PF_INET6)
1325                         char    peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1326 #else
1327                         char    peername[sizeof("IP=255.255.255.255:65336")];
1328 #endif /* LDAP_PF_LOCAL */
1329
1330                         peername[0] = '\0';
1331
1332                         if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1333                                 continue;
1334
1335                         if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1336                                 continue;
1337
1338 #ifdef LDAP_CONNECTIONLESS
1339                         if ( slap_listeners[l]->sl_is_udp )
1340                         {
1341                         /* The first time we receive a query, we set this
1342                          * up as a "connection". It remains open for the life
1343                          * of the slapd.
1344                          */
1345                                 if ( slap_listeners[l]->sl_is_udp < 2 )
1346                                 {
1347                                     id = connection_init(
1348                                         slap_listeners[l]->sl_sd,
1349                                         slap_listeners[l]->sl_url, "", "",
1350                                         slap_listeners[l]->sl_name,
1351                                         2, ssf, authid );
1352                                     slap_listeners[l]->sl_is_udp++;
1353                                 }
1354                                 continue;
1355                         }
1356 #endif
1357
1358                         s = accept( slap_listeners[l]->sl_sd,
1359                                 (struct sockaddr *) &from, &len );
1360                         if ( s == AC_SOCKET_INVALID ) {
1361                                 int err = sock_errno();
1362
1363 #ifdef EMFILE
1364                                 if( err == EMFILE ) {
1365                                         emfile++;
1366                                 } else
1367 #endif
1368 #ifdef ENFILE
1369                                 if( err == ENFILE ) {
1370                                         emfile++;
1371                                 } else
1372 #endif
1373                                 {
1374                                         emfile=0;
1375                                 }
1376
1377                                 if( emfile < 3 ) {
1378 #ifdef NEW_LOGGING
1379                                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1380                                                 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1381                                                 (long)slap_listeners[l]->sl_sd, err, sock_errstr(err) ));
1382 #else
1383                                         Debug( LDAP_DEBUG_ANY,
1384                                             "daemon: accept(%ld) failed errno=%d (%s)\n",
1385                                             (long) slap_listeners[l]->sl_sd, err,
1386                                             sock_errstr(err) );
1387 #endif
1388                                 } else {
1389                                         /* prevent busy loop */
1390 #  ifdef HAVE_USLEEP
1391                                         if( emfile % 4 == 3 ) usleep( 250 );
1392 #  else
1393                                         if( emfile % 8 == 7 ) sleep( 1 );
1394 #  endif
1395                                 }
1396
1397                                 ldap_pvt_thread_yield();
1398                                 continue;
1399                         }
1400                         emfile = 0;
1401
1402 #ifndef HAVE_WINSOCK
1403                         /* make sure descriptor number isn't too great */
1404                         if ( s >= dtblsize ) {
1405 #ifdef NEW_LOGGING
1406                                 LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1407                                    "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1408                                    (long)s, (long)dtblsize ));
1409 #else
1410                                 Debug( LDAP_DEBUG_ANY,
1411                                         "daemon: %ld beyond descriptor table size %ld\n",
1412                                         (long) s, (long) dtblsize, 0 );
1413 #endif
1414
1415                                 slapd_close(s);
1416                                 ldap_pvt_thread_yield();
1417                                 continue;
1418                         }
1419 #endif
1420
1421 #ifdef LDAP_DEBUG
1422                         ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1423
1424                         /* newly accepted stream should not be in any of the FD SETS */
1425                         assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1426                         assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1427                         assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1428
1429                         ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1430 #endif
1431
1432 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1433 #ifdef LDAP_PF_LOCAL
1434                         /* for IPv4 and IPv6 sockets only */
1435                         if ( from.sa_addr.sa_family != AF_LOCAL )
1436 #endif /* LDAP_PF_LOCAL */
1437                         {
1438                                 int rc;
1439                                 int tmp;
1440 #ifdef SO_KEEPALIVE
1441                                 /* enable keep alives */
1442                                 tmp = 1;
1443                                 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1444                                         (char *) &tmp, sizeof(tmp) );
1445                                 if ( rc == AC_SOCKET_ERROR ) {
1446                                         int err = sock_errno();
1447 #ifdef NEW_LOGGING
1448                                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1449                                                    "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE) failed errno=%d (%s)\n",
1450                                                    (long)s, err, sock_errstr(err) ));
1451 #else
1452                                         Debug( LDAP_DEBUG_ANY,
1453                                                 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1454                                                 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1455 #endif
1456                                 }
1457 #endif
1458 #ifdef TCP_NODELAY
1459                                 /* enable no delay */
1460                                 tmp = 1;
1461                                 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1462                                         (char *)&tmp, sizeof(tmp) );
1463                                 if ( rc == AC_SOCKET_ERROR ) {
1464                                         int err = sock_errno();
1465 #ifdef NEW_LOGGING
1466                                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1467                                                    "slapd_daemon_task: setsockopt( %ld, TCP_NODELAY) failed errno=%d (%s)\n",
1468                                                    (long)s, err, sock_errstr(err) ));
1469 #else
1470                                         Debug( LDAP_DEBUG_ANY,
1471                                                 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1472                                                 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1473 #endif
1474                                 }
1475 #endif
1476                         }
1477 #endif
1478
1479 #ifdef NEW_LOGGING
1480                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
1481                                    "slapd_daemon_task: new connection on %ld\n", (long)s ));
1482 #else
1483                         Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1484                                 (long) s, 0, 0 );
1485 #endif
1486                         switch ( from.sa_addr.sa_family ) {
1487 #  ifdef LDAP_PF_LOCAL
1488                         case AF_LOCAL:
1489                                 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1490                                 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1491                                 dnsname = "local";
1492                                 break;
1493 #endif /* LDAP_PF_LOCAL */
1494
1495 #  ifdef LDAP_PF_INET6
1496                         case AF_INET6:
1497                         if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1498                                 peeraddr = inet_ntoa( *((struct in_addr *)
1499                                                         &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1500                                 sprintf( peername, "IP=%s:%d",
1501                                          peeraddr != NULL ? peeraddr : "unknown",
1502                                          (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1503                         } else {
1504                                 char addr[INET6_ADDRSTRLEN];
1505                                 sprintf( peername, "IP=%s %d",
1506                                          inet_ntop( AF_INET6,
1507                                                     &from.sa_in6_addr.sin6_addr,
1508                                                     addr, sizeof addr) ? addr : "unknown",
1509                                          (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1510                         }
1511                         break;
1512 #  endif /* LDAP_PF_INET6 */
1513
1514                         case AF_INET:
1515                         peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1516                         sprintf( peername, "IP=%s:%d",
1517                                 peeraddr != NULL ? peeraddr : "unknown",
1518                                 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1519                                 break;
1520
1521                         default:
1522                                 slapd_close(s);
1523                                 continue;
1524                         }
1525
1526                         if ( ( from.sa_addr.sa_family == AF_INET )
1527 #ifdef LDAP_PF_INET6
1528                                 || ( from.sa_addr.sa_family == AF_INET6 )
1529 #endif
1530                         ) {
1531 #ifdef SLAPD_RLOOKUPS
1532 #  ifdef LDAP_PF_INET6
1533                                 if ( from.sa_addr.sa_family == AF_INET6 )
1534                                         hp = gethostbyaddr(
1535                                                 (char *)&(from.sa_in6_addr.sin6_addr),
1536                                                 sizeof(from.sa_in6_addr.sin6_addr),
1537                                                 AF_INET6 );
1538                                 else
1539 #  endif /* LDAP_PF_INET6 */
1540                                 hp = gethostbyaddr(
1541                                         (char *) &(from.sa_in_addr.sin_addr),
1542                                         sizeof(from.sa_in_addr.sin_addr),
1543                                         AF_INET );
1544                                 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1545 #else
1546                                 dnsname = NULL;
1547 #endif /* SLAPD_RLOOKUPS */
1548
1549 #ifdef HAVE_TCPD
1550                                 if ( !hosts_ctl("slapd",
1551                                                 dnsname != NULL ? dnsname : STRING_UNKNOWN,
1552                                                 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
1553                                                 STRING_UNKNOWN ))
1554                                 {
1555                                         /* DENY ACCESS */
1556                                         Statslog( LDAP_DEBUG_ANY,
1557                                                 "fd=%ld host access from %s (%s) denied.\n",
1558                                                 (long) s,
1559                                                 dnsname != NULL ? dnsname : "unknown",
1560                                                 peeraddr != NULL ? peeraddr : "unknown",
1561                                                 0, 0 );
1562                                         slapd_close(s);
1563                                         continue;
1564                                 }
1565 #endif /* HAVE_TCPD */
1566                         }
1567
1568                         id = connection_init(s,
1569                                 slap_listeners[l]->sl_url,
1570                                 dnsname != NULL ? dnsname : "unknown",
1571                                 peername,
1572                                 slap_listeners[l]->sl_name,
1573 #ifdef HAVE_TLS
1574                                 slap_listeners[l]->sl_is_tls,
1575 #else
1576                                 0,
1577 #endif
1578                                 ssf,
1579                                 authid );
1580
1581                         if( authid ) ch_free(authid);
1582
1583                         if( id < 0 ) {
1584 #ifdef NEW_LOGGING
1585                                 LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
1586                                            "slapd_daemon_task: connection_init(%ld, %s, %s) failed.\n",
1587                                            (long)s, peername, slap_listeners[l]->sl_name ));
1588 #else
1589                                 Debug( LDAP_DEBUG_ANY,
1590                                         "daemon: connection_init(%ld, %s, %s) failed.\n",
1591                                         (long) s,
1592                                         peername,
1593                                         slap_listeners[l]->sl_name );
1594 #endif
1595                                 slapd_close(s);
1596                                 continue;
1597                         }
1598
1599                         Statslog( LDAP_DEBUG_STATS,
1600                                 "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
1601                                 id, (long) s,
1602                                 peername,
1603                                 slap_listeners[l]->sl_name,
1604                                 0 );
1605
1606                         slapd_add( s );
1607                         continue;
1608                 }
1609
1610 #ifdef LDAP_DEBUG
1611 #ifdef NEW_LOGGING
1612                 LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1613                            "slapd_daemon_task: activity on " ));
1614 #else
1615                 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1616 #endif
1617 #ifdef HAVE_WINSOCK
1618                 for ( i = 0; i < readfds.fd_count; i++ ) {
1619 #ifdef NEW_LOGGING
1620                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1621                                    " %d%s", readfds.fd_array[i], "r", 0 ));
1622 #else
1623                         Debug( LDAP_DEBUG_CONNS, " %d%s",
1624                                 readfds.fd_array[i], "r", 0 );
1625 #endif
1626                 }
1627                 for ( i = 0; i < writefds.fd_count; i++ ) {
1628 #ifdef NEW_LOGGING
1629                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1630                                    " %d%s", writefds.fd_array[i], "w" ));
1631 #else
1632                         Debug( LDAP_DEBUG_CONNS, " %d%s",
1633                                 writefds.fd_array[i], "w", 0 );
1634 #endif
1635                 }
1636
1637 #else
1638                 for ( i = 0; i < nfds; i++ ) {
1639                         int     r, w;
1640                         int     is_listener = 0;
1641
1642                         for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1643                                 if ( i == slap_listeners[l]->sl_sd ) {
1644 #ifdef LDAP_CONNECTIONLESS
1645                                 /* The listener is the data port. Don't
1646                                  * skip it.
1647                                  */
1648                                         if (slap_listeners[l]->sl_is_udp)
1649                                                 continue;
1650 #endif
1651                                         is_listener = 1;
1652                                         break;
1653                                 }
1654                         }
1655                         if ( is_listener ) {
1656                                 continue;
1657                         }
1658                         r = FD_ISSET( i, &readfds );
1659                         w = FD_ISSET( i, &writefds );
1660                         if ( r || w ) {
1661 #ifdef NEW_LOGGING
1662                                 LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1663                                            " %d%s%s", i,
1664                                            r ? "r" : "", w ? "w" : "" ));
1665 #else
1666                                 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1667                                     r ? "r" : "", w ? "w" : "" );
1668 #endif
1669                         }
1670                 }
1671 #endif
1672 #ifdef NEW_LOGGING
1673                 LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2, "\n" ));
1674 #else
1675                 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1676 #endif
1677
1678 #endif
1679
1680                 /* loop through the writers */
1681 #ifdef HAVE_WINSOCK
1682                 for ( i = 0; i < writefds.fd_count; i++ )
1683 #else
1684                 for ( i = 0; i < nfds; i++ )
1685 #endif
1686                 {
1687                         ber_socket_t wd;
1688                         int is_listener = 0;
1689 #ifdef HAVE_WINSOCK
1690                         wd = writefds.fd_array[i];
1691 #else
1692                         if( ! FD_ISSET( i, &writefds ) ) {
1693                                 continue;
1694                         }
1695                         wd = i;
1696 #endif
1697
1698                         for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1699                                 if ( i == slap_listeners[l]->sl_sd ) {
1700 #ifdef LDAP_CONNECTIONLESS
1701                                         if (slap_listeners[l]->sl_is_udp)
1702                                                 continue;
1703 #endif
1704                                         is_listener = 1;
1705                                         break;
1706                                 }
1707                         }
1708                         if ( is_listener ) {
1709                                 continue;
1710                         }
1711 #ifdef NEW_LOGGING
1712                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1713                                    "slapd_daemon_task: write active on %d\n", wd ));
1714 #else
1715                         Debug( LDAP_DEBUG_CONNS,
1716                                 "daemon: write active on %d\n",
1717                                 wd, 0, 0 );
1718 #endif
1719                         /*
1720                          * NOTE: it is possible that the connection was closed
1721                          * and that the stream is now inactive.
1722                          * connection_write() must valid the stream is still
1723                          * active.
1724                          */
1725
1726                         if ( connection_write( wd ) < 0 ) {
1727                                 FD_CLR( (unsigned) wd, &readfds );
1728                                 slapd_close( wd );
1729                         }
1730                 }
1731
1732 #ifdef HAVE_WINSOCK
1733                 for ( i = 0; i < readfds.fd_count; i++ )
1734 #else
1735                 for ( i = 0; i < nfds; i++ )
1736 #endif
1737                 {
1738                         ber_socket_t rd;
1739                         int is_listener = 0;
1740
1741 #ifdef HAVE_WINSOCK
1742                         rd = readfds.fd_array[i];
1743 #else
1744                         if( ! FD_ISSET( i, &readfds ) ) {
1745                                 continue;
1746                         }
1747                         rd = i;
1748 #endif
1749
1750                         for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1751                                 if ( rd == slap_listeners[l]->sl_sd ) {
1752 #ifdef LDAP_CONNECTIONLESS
1753                                         if (slap_listeners[l]->sl_is_udp)
1754                                                 continue;
1755 #endif
1756                                         is_listener = 1;
1757                                         break;
1758                                 }
1759                         }
1760                         if ( is_listener ) {
1761                                 continue;
1762                         }
1763
1764 #ifdef NEW_LOGGING
1765                         LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
1766                                    "slapd_daemon_task: read activity on %d\n", rd ));
1767 #else
1768                         Debug ( LDAP_DEBUG_CONNS,
1769                                 "daemon: read activity on %d\n", rd, 0, 0 );
1770 #endif
1771                         /*
1772                          * NOTE: it is possible that the connection was closed
1773                          * and that the stream is now inactive.
1774                          * connection_read() must valid the stream is still
1775                          * active.
1776                          */
1777
1778                         if ( connection_read( rd ) < 0 ) {
1779                                 slapd_close( rd );
1780                         }
1781                 }
1782                 ldap_pvt_thread_yield();
1783         }
1784
1785         if( slapd_shutdown > 0 ) {
1786 #ifdef NEW_LOGGING
1787                 LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1788                            "slapd_daemon_task: shutdown requested and initiated.\n"));
1789 #else
1790                 Debug( LDAP_DEBUG_TRACE,
1791                         "daemon: shutdown requested and initiated.\n",
1792                         0, 0, 0 );
1793 #endif
1794
1795         } else if ( slapd_shutdown < 0 ) {
1796 #ifdef HAVE_NT_SERVICE_MANAGER
1797                 if (slapd_shutdown == -1)
1798                 {
1799 #ifdef NEW_LOGGING
1800                         LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1801                                    "slapd_daemon_task: shutdown initiated by Service Manager.\n"));
1802 #else
1803                         Debug( LDAP_DEBUG_TRACE,
1804                                "daemon: shutdown initiated by Service Manager.\n",
1805                                0, 0, 0);
1806 #endif
1807                 }
1808                 else
1809 #endif
1810                 {
1811 #ifdef NEW_LOGGING
1812                         LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1813                                    "slapd_daemon_task: abnormal condition, shutdown initiated.\n" ));
1814 #else
1815                         Debug( LDAP_DEBUG_TRACE,
1816                                "daemon: abnormal condition, shutdown initiated.\n",
1817                                0, 0, 0 );
1818 #endif
1819                 }
1820         } else {
1821 #ifdef NEW_LOGGING
1822                 LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1823                            "slapd_daemon_task: no active streams, shutdown initiated.\n" ));
1824 #else
1825                 Debug( LDAP_DEBUG_TRACE,
1826                        "daemon: no active streams, shutdown initiated.\n",
1827                        0, 0, 0 );
1828 #endif
1829         }
1830
1831         for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1832                 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1833 #ifdef LDAP_PF_LOCAL
1834                         if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1835                                 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1836                         }
1837 #endif /* LDAP_PF_LOCAL */
1838                         slapd_close( slap_listeners[l]->sl_sd );
1839                 }
1840                 if ( slap_listeners[l]->sl_url )
1841                         free ( slap_listeners[l]->sl_url );
1842                 if ( slap_listeners[l]->sl_name )
1843                         free ( slap_listeners[l]->sl_name );
1844                 free ( slap_listeners[l] );
1845         }
1846         free ( slap_listeners );
1847         slap_listeners = NULL;
1848
1849 #ifdef NEW_LOGGING
1850         LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1851                    "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1852                    ldap_pvt_thread_pool_backload(&connection_pool) ));
1853 #else
1854         Debug( LDAP_DEBUG_ANY,
1855             "slapd shutdown: waiting for %d threads to terminate\n",
1856             ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1857 #endif
1858         ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1859
1860         return NULL;
1861 }
1862
1863
1864 int slapd_daemon( void )
1865 {
1866         int rc;
1867
1868         connections_init();
1869
1870 #define SLAPD_LISTENER_THREAD 1
1871 #if defined( SLAPD_LISTENER_THREAD )
1872         {
1873                 ldap_pvt_thread_t       listener_tid;
1874
1875                 /* listener as a separate THREAD */
1876                 rc = ldap_pvt_thread_create( &listener_tid,
1877                         0, slapd_daemon_task, NULL );
1878
1879                 if ( rc != 0 ) {
1880 #ifdef NEW_LOGGING
1881                         LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
1882                                    "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n", rc ));
1883 #else
1884                         Debug( LDAP_DEBUG_ANY,
1885                         "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1886 #endif
1887                         return rc;
1888                 }
1889
1890                 /* wait for the listener thread to complete */
1891                 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1892         }
1893 #else
1894         /* experimental code */
1895         slapd_daemon_task( NULL );
1896 #endif
1897
1898         return 0;
1899
1900 }
1901
1902 int sockinit(void)
1903 {
1904 #if defined( HAVE_WINSOCK2 )
1905     WORD wVersionRequested;
1906         WSADATA wsaData;
1907         int err;
1908
1909         wVersionRequested = MAKEWORD( 2, 0 );
1910
1911         err = WSAStartup( wVersionRequested, &wsaData );
1912         if ( err != 0 ) {
1913                 /* Tell the user that we couldn't find a usable */
1914                 /* WinSock DLL.                                  */
1915                 return -1;
1916         }
1917
1918         /* Confirm that the WinSock DLL supports 2.0.*/
1919         /* Note that if the DLL supports versions greater    */
1920         /* than 2.0 in addition to 2.0, it will still return */
1921         /* 2.0 in wVersion since that is the version we      */
1922         /* requested.                                        */
1923
1924         if ( LOBYTE( wsaData.wVersion ) != 2 ||
1925                 HIBYTE( wsaData.wVersion ) != 0 )
1926         {
1927             /* Tell the user that we couldn't find a usable */
1928             /* WinSock DLL.                                  */
1929             WSACleanup();
1930             return -1;
1931         }
1932
1933         /* The WinSock DLL is acceptable. Proceed. */
1934 #elif defined( HAVE_WINSOCK )
1935         WSADATA wsaData;
1936         if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1937             return -1;
1938         }
1939 #endif
1940         return 0;
1941 }
1942
1943 int sockdestroy(void)
1944 {
1945 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1946         WSACleanup();
1947 #endif
1948         return 0;
1949 }
1950
1951 RETSIGTYPE
1952 slap_sig_shutdown( int sig )
1953 {
1954 #ifdef NEW_LOGGING
1955         LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1956                    "slap_sig_shutdown: signal %d\n", sig ));
1957 #else
1958         Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1959 #endif
1960
1961         /*
1962          * If the NT Service Manager is controlling the server, we don't
1963          * want SIGBREAK to kill the server. For some strange reason,
1964          * SIGBREAK is generated when a user logs out.
1965          */
1966
1967 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1968         if (is_NT_Service && sig == SIGBREAK)
1969 #ifdef NEW_LOGGING
1970             LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
1971                        "slap_sig_shutdown: SIGBREAK ignored.\n" ));
1972 #else
1973             Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
1974                   0, 0, 0);
1975 #endif
1976         else
1977 #endif
1978         slapd_shutdown = sig;
1979
1980         WAKE_LISTENER(1);
1981
1982         /* reinstall self */
1983         (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1984 }
1985
1986 RETSIGTYPE
1987 slap_sig_wake( int sig )
1988 {
1989         WAKE_LISTENER(1);
1990
1991         /* reinstall self */
1992         (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1993 }
1994
1995
1996 void slapd_add_internal(ber_socket_t s) {
1997         slapd_add(s);
1998 }
1999
2000 Listener ** slapd_get_listeners(void) {
2001         return slap_listeners;
2002 }