git.sur5r.net Git - openldap/blob - libraries/libldap/cyrus.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2005 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
  16 #include "portable.h"
  17
  18 #include <stdio.h>
  19
  20 #include <ac/socket.h>
  21 #include <ac/stdlib.h>
  22 #include <ac/string.h>
  23 #include <ac/time.h>
  24 #include <ac/errno.h>
  25 #include <ac/ctype.h>
  26 #include <ac/unistd.h>
  27
  28 #include "ldap-int.h"
  29
  30 #ifdef HAVE_CYRUS_SASL
  31
  32 #ifdef HAVE_LIMITS_H
  33 #include <limits.h>
  34 #endif
  35
  36 #ifndef INT_MAX
  37 #define INT_MAX 2147483647      /* 32 bit signed max */
  38 #endif
  39
  40 #ifdef LDAP_R_COMPILE
  41 ldap_pvt_thread_mutex_t ldap_int_sasl_mutex;
  42 #endif
  43
  44 #ifdef HAVE_SASL_SASL_H
  45 #include <sasl/sasl.h>
  46 #else
  47 #include <sasl.h>
  48 #endif
  49
  50 #if SASL_VERSION_MAJOR >= 2
  51 #define SASL_CONST const
  52 #else
  53 #define SASL_CONST
  54 #endif
  55
  56 /*
  57 * Various Cyrus SASL related stuff.
  58 */
  59
  60 static const sasl_callback_t client_callbacks[] = {
  61 #ifdef SASL_CB_GETREALM
  62         { SASL_CB_GETREALM, NULL, NULL },
  63 #endif
  64         { SASL_CB_USER, NULL, NULL },
  65         { SASL_CB_AUTHNAME, NULL, NULL },
  66         { SASL_CB_PASS, NULL, NULL },
  67         { SASL_CB_ECHOPROMPT, NULL, NULL },
  68         { SASL_CB_NOECHOPROMPT, NULL, NULL },
  69         { SASL_CB_LIST_END, NULL, NULL }
  70 };
  71
  72 int ldap_int_sasl_init( void )
  73 {
  74         /* XXX not threadsafe */
  75         static int sasl_initialized = 0;
  76
  77 #ifdef HAVE_SASL_VERSION
  78         /* stringify the version number, sasl.h doesn't do it for us */
  79 #define VSTR0(maj, min, pat)    #maj "." #min "." #pat
  80 #define VSTR(maj, min, pat)     VSTR0(maj, min, pat)
  81 #define SASL_VERSION_STRING     VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \
  82                                 SASL_VERSION_STEP)
  83         { int rc;
  84         sasl_version( NULL, &rc );
  85         if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
  86                 (rc & 0xffff) < SASL_VERSION_STEP) {
  87                 char version[sizeof("xxx.xxx.xxxxx")];
  88                 sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
  89                         rc & 0xffff );
  90
  91                 Debug( LDAP_DEBUG_ANY,
  92                 "ldap_int_sasl_init: SASL library version mismatch:"
  93                 " expected " SASL_VERSION_STRING ","
  94                 " got %s\n", version, 0, 0 );
  95                 return -1;
  96         }
  97         }
  98 #endif
  99         if ( sasl_initialized ) {
 100                 return 0;
 101         }
 102
 103 /* SASL 2 takes care of its own memory completely internally */
 104 #if SASL_VERSION_MAJOR < 2 && !defined(CSRIMALLOC)
 105         sasl_set_alloc(
 106                 ber_memalloc,
 107                 ber_memcalloc,
 108                 ber_memrealloc,
 109                 ber_memfree );
 110 #endif /* CSRIMALLOC */
 111
 112 #ifdef LDAP_R_COMPILE
 113         sasl_set_mutex(
 114                 ldap_pvt_sasl_mutex_new,
 115                 ldap_pvt_sasl_mutex_lock,
 116                 ldap_pvt_sasl_mutex_unlock,
 117                 ldap_pvt_sasl_mutex_dispose );
 118 #endif
 119
 120         if ( sasl_client_init( NULL ) == SASL_OK ) {
 121                 sasl_initialized = 1;
 122                 return 0;
 123         }
 124
 125 #if SASL_VERSION_MAJOR < 2
 126         /* A no-op to make sure we link with Cyrus 1.5 */
 127         sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
 128 #endif
 129         return -1;
 130 }
 131
 132 /*
 133  * SASL encryption support for LBER Sockbufs
 134  */
 135
 136 struct sb_sasl_data {
 137         sasl_conn_t             *sasl_context;
 138         unsigned                *sasl_maxbuf;
 139         Sockbuf_Buf             sec_buf_in;
 140         Sockbuf_Buf             buf_in;
 141         Sockbuf_Buf             buf_out;
 142 };
 143
 144 static int
 145 sb_sasl_setup( Sockbuf_IO_Desc *sbiod, void *arg )
 146 {
 147         struct sb_sasl_data     *p;
 148
 149         assert( sbiod != NULL );
 150
 151         p = LBER_MALLOC( sizeof( *p ) );
 152         if ( p == NULL )
 153                 return -1;
 154         p->sasl_context = (sasl_conn_t *)arg;
 155         ber_pvt_sb_buf_init( &p->sec_buf_in );
 156         ber_pvt_sb_buf_init( &p->buf_in );
 157         ber_pvt_sb_buf_init( &p->buf_out );
 158         if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, SASL_MIN_BUFF_SIZE ) < 0 ) {
 159                 LBER_FREE( p );
 160                 errno = ENOMEM;
 161                 return -1;
 162         }
 163         sasl_getprop( p->sasl_context, SASL_MAXOUTBUF,
 164                 (SASL_CONST void **) &p->sasl_maxbuf );
 165
 166         sbiod->sbiod_pvt = p;
 167
 168         return 0;
 169 }
 170
 171 static int
 172 sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
 173 {
 174         struct sb_sasl_data     *p;
 175
 176         assert( sbiod != NULL );
 177
 178         p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
 179 #if SASL_VERSION_MAJOR >= 2
 180         /*
 181          * SASLv2 encode/decode buffers are managed by
 182          * libsasl2. Ensure they are not freed by liblber.
 183          */
 184         p->buf_in.buf_base = NULL;
 185         p->buf_out.buf_base = NULL;
 186 #endif
 187         ber_pvt_sb_buf_destroy( &p->sec_buf_in );
 188         ber_pvt_sb_buf_destroy( &p->buf_in );
 189         ber_pvt_sb_buf_destroy( &p->buf_out );
 190         LBER_FREE( p );
 191         sbiod->sbiod_pvt = NULL;
 192         return 0;
 193 }
 194
 195 static ber_len_t
 196 sb_sasl_pkt_length( const unsigned char *buf, int debuglevel )
 197 {
 198         ber_len_t               size;
 199
 200         assert( buf != NULL );
 201
 202         size = buf[0] << 24
 203                 | buf[1] << 16
 204                 | buf[2] << 8
 205                 | buf[3];
 206
 207         if ( size > SASL_MAX_BUFF_SIZE ) {
 208                 /* somebody is trying to mess me up. */
 209                 ber_log_printf( LDAP_DEBUG_ANY, debuglevel,
 210                         "sb_sasl_pkt_length: received illegal packet length "
 211                         "of %lu bytes\n", (unsigned long)size );
 212                 size = 16; /* this should lead to an error. */
 213         }
 214
 215         return size + 4; /* include the size !!! */
 216 }
 217
 218 /* Drop a processed packet from the input buffer */
 219 static void
 220 sb_sasl_drop_packet ( Sockbuf_Buf *sec_buf_in, int debuglevel )
 221 {
 222         ber_slen_t                      len;
 223
 224         len = sec_buf_in->buf_ptr - sec_buf_in->buf_end;
 225         if ( len > 0 )
 226                 AC_MEMCPY( sec_buf_in->buf_base, sec_buf_in->buf_base +
 227                         sec_buf_in->buf_end, len );
 228
 229         if ( len >= 4 ) {
 230                 sec_buf_in->buf_end = sb_sasl_pkt_length(
 231                         (unsigned char *) sec_buf_in->buf_base, debuglevel);
 232         }
 233         else {
 234                 sec_buf_in->buf_end = 0;
 235         }
 236         sec_buf_in->buf_ptr = len;
 237 }
 238
 239 static ber_slen_t
 240 sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
 241 {
 242         struct sb_sasl_data     *p;
 243         ber_slen_t              ret, bufptr;
 244
 245         assert( sbiod != NULL );
 246         assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
 247
 248         p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
 249
 250         /* Are there anything left in the buffer? */
 251         ret = ber_pvt_sb_copy_out( &p->buf_in, buf, len );
 252         bufptr = ret;
 253         len -= ret;
 254
 255         if ( len == 0 )
 256                 return bufptr;
 257
 258 #if SASL_VERSION_MAJOR >= 2
 259         ber_pvt_sb_buf_init( &p->buf_in );
 260 #else
 261         ber_pvt_sb_buf_destroy( &p->buf_in );
 262 #endif
 263
 264         /* Read the length of the packet */
 265         while ( p->sec_buf_in.buf_ptr < 4 ) {
 266                 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
 267                         p->sec_buf_in.buf_ptr,
 268                         4 - p->sec_buf_in.buf_ptr );
 269 #ifdef EINTR
 270                 if ( ( ret < 0 ) && ( errno == EINTR ) )
 271                         continue;
 272 #endif
 273                 if ( ret <= 0 )
 274                         return bufptr ? bufptr : ret;
 275
 276                 p->sec_buf_in.buf_ptr += ret;
 277         }
 278
 279         /* The new packet always starts at p->sec_buf_in.buf_base */
 280         ret = sb_sasl_pkt_length( (unsigned char *) p->sec_buf_in.buf_base,
 281                 sbiod->sbiod_sb->sb_debug );
 282
 283         /* Grow the packet buffer if neccessary */
 284         if ( ( p->sec_buf_in.buf_size < (ber_len_t) ret ) &&
 285                 ber_pvt_sb_grow_buffer( &p->sec_buf_in, ret ) < 0 )
 286         {
 287                 errno = ENOMEM;
 288                 return -1;
 289         }
 290         p->sec_buf_in.buf_end = ret;
 291
 292         /* Did we read the whole encrypted packet? */
 293         while ( p->sec_buf_in.buf_ptr < p->sec_buf_in.buf_end ) {
 294                 /* No, we have got only a part of it */
 295                 ret = p->sec_buf_in.buf_end - p->sec_buf_in.buf_ptr;
 296
 297                 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
 298                         p->sec_buf_in.buf_ptr, ret );
 299 #ifdef EINTR
 300                 if ( ( ret < 0 ) && ( errno == EINTR ) )
 301                         continue;
 302 #endif
 303                 if ( ret <= 0 )
 304                         return bufptr ? bufptr : ret;
 305
 306                 p->sec_buf_in.buf_ptr += ret;
 307         }
 308
 309         /* Decode the packet */
 310         {
 311                 unsigned tmpsize = p->buf_in.buf_end;
 312                 ret = sasl_decode( p->sasl_context, p->sec_buf_in.buf_base,
 313                         p->sec_buf_in.buf_end,
 314                         (SASL_CONST char **)&p->buf_in.buf_base,
 315                         (unsigned *)&tmpsize );
 316                 p->buf_in.buf_end = tmpsize;
 317         }
 318
 319         /* Drop the packet from the input buffer */
 320         sb_sasl_drop_packet( &p->sec_buf_in, sbiod->sbiod_sb->sb_debug );
 321
 322         if ( ret != SASL_OK ) {
 323                 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
 324                         "sb_sasl_read: failed to decode packet: %s\n",
 325                         sasl_errstring( ret, NULL, NULL ) );
 326                 errno = EIO;
 327                 return -1;
 328         }
 329
 330         p->buf_in.buf_size = p->buf_in.buf_end;
 331
 332         bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len );
 333
 334         return bufptr;
 335 }
 336
 337 static ber_slen_t
 338 sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
 339 {
 340         struct sb_sasl_data     *p;
 341         int                     ret;
 342
 343         assert( sbiod != NULL );
 344         assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
 345
 346         p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
 347
 348         /* Are there anything left in the buffer? */
 349         if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
 350                 ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
 351                 if ( ret < 0 ) return ret;
 352
 353                 /* Still have something left?? */
 354                 if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
 355                         errno = EAGAIN;
 356                         return -1;
 357                 }
 358         }
 359
 360         /* now encode the next packet. */
 361 #if SASL_VERSION_MAJOR >= 2
 362         ber_pvt_sb_buf_init( &p->buf_out );
 363 #else
 364         ber_pvt_sb_buf_destroy( &p->buf_out );
 365 #endif
 366         if ( len > *p->sasl_maxbuf - 100 ) {
 367                 len = *p->sasl_maxbuf - 100;    /* For safety margin */
 368         }
 369
 370         {
 371                 unsigned tmpsize = p->buf_out.buf_size;
 372                 ret = sasl_encode( p->sasl_context, buf, len,
 373                         (SASL_CONST char **)&p->buf_out.buf_base,
 374                         &tmpsize );
 375                 p->buf_out.buf_size = tmpsize;
 376         }
 377
 378         if ( ret != SASL_OK ) {
 379                 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
 380                         "sb_sasl_write: failed to encode packet: %s\n",
 381                         sasl_errstring( ret, NULL, NULL ) );
 382                 errno = EIO;
 383                 return -1;
 384         }
 385         p->buf_out.buf_end = p->buf_out.buf_size;
 386
 387         ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
 388
 389         /* return number of bytes encoded, not written, to ensure
 390          * no byte is encoded twice (even if only sent once).
 391          */
 392         return len;
 393 }
 394
 395 static int
 396 sb_sasl_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
 397 {
 398         struct sb_sasl_data     *p;
 399
 400         p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
 401
 402         if ( opt == LBER_SB_OPT_DATA_READY ) {
 403                 if ( p->buf_in.buf_ptr != p->buf_in.buf_end ) return 1;
 404         }
 405
 406         return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
 407 }
 408
 409 Sockbuf_IO ldap_pvt_sockbuf_io_sasl = {
 410         sb_sasl_setup,          /* sbi_setup */
 411         sb_sasl_remove,         /* sbi_remove */
 412         sb_sasl_ctrl,           /* sbi_ctrl */
 413         sb_sasl_read,           /* sbi_read */
 414         sb_sasl_write,          /* sbi_write */
 415         NULL                    /* sbi_close */
 416 };
 417
 418 int ldap_pvt_sasl_install( Sockbuf *sb, void *ctx_arg )
 419 {
 420         Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_install\n",
 421                 0, 0, 0 );
 422
 423         /* don't install the stuff unless security has been negotiated */
 424
 425         if ( !ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO,
 426                         &ldap_pvt_sockbuf_io_sasl ) )
 427         {
 428 #ifdef LDAP_DEBUG
 429                 ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
 430                         LBER_SBIOD_LEVEL_APPLICATION, (void *)"sasl_" );
 431 #endif
 432                 ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl,
 433                         LBER_SBIOD_LEVEL_APPLICATION, ctx_arg );
 434         }
 435
 436         return LDAP_SUCCESS;
 437 }
 438
 439 void ldap_pvt_sasl_remove( Sockbuf *sb )
 440 {
 441         ber_sockbuf_remove_io( sb, &ldap_pvt_sockbuf_io_sasl,
 442                 LBER_SBIOD_LEVEL_APPLICATION );
 443 #ifdef LDAP_DEBUG
 444         ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
 445                 LBER_SBIOD_LEVEL_APPLICATION );
 446 #endif
 447 }
 448
 449 static int
 450 sasl_err2ldap( int saslerr )
 451 {
 452         int rc;
 453
 454         switch (saslerr) {
 455                 case SASL_CONTINUE:
 456                         rc = LDAP_MORE_RESULTS_TO_RETURN;
 457                         break;
 458                 case SASL_INTERACT:
 459                         rc = LDAP_LOCAL_ERROR;
 460                         break;
 461                 case SASL_OK:
 462                         rc = LDAP_SUCCESS;
 463                         break;
 464                 case SASL_FAIL:
 465                         rc = LDAP_LOCAL_ERROR;
 466                         break;
 467                 case SASL_NOMEM:
 468                         rc = LDAP_NO_MEMORY;
 469                         break;
 470                 case SASL_NOMECH:
 471                         rc = LDAP_AUTH_UNKNOWN;
 472                         break;
 473                 case SASL_BADAUTH:
 474                         rc = LDAP_AUTH_UNKNOWN;
 475                         break;
 476                 case SASL_NOAUTHZ:
 477                         rc = LDAP_PARAM_ERROR;
 478                         break;
 479                 case SASL_TOOWEAK:
 480                 case SASL_ENCRYPT:
 481                         rc = LDAP_AUTH_UNKNOWN;
 482                         break;
 483                 default:
 484                         rc = LDAP_LOCAL_ERROR;
 485                         break;
 486         }
 487
 488         assert( rc == LDAP_SUCCESS || LDAP_API_ERROR( rc ) );
 489         return rc;
 490 }
 491
 492 int
 493 ldap_int_sasl_open(
 494         LDAP *ld,
 495         LDAPConn *lc,
 496         const char * host )
 497 {
 498         int rc;
 499         sasl_conn_t *ctx;
 500
 501         assert( lc->lconn_sasl_authctx == NULL );
 502
 503         if ( host == NULL ) {
 504                 ld->ld_errno = LDAP_LOCAL_ERROR;
 505                 return ld->ld_errno;
 506         }
 507
 508         if ( ldap_int_sasl_init() ) {
 509                 ld->ld_errno = LDAP_LOCAL_ERROR;
 510                 return ld->ld_errno;
 511         }
 512
 513 #if SASL_VERSION_MAJOR >= 2
 514         rc = sasl_client_new( "ldap", host, NULL, NULL,
 515                 client_callbacks, 0, &ctx );
 516 #else
 517         rc = sasl_client_new( "ldap", host, client_callbacks,
 518                 SASL_SECURITY_LAYER, &ctx );
 519 #endif
 520
 521         if ( rc != SASL_OK ) {
 522                 ld->ld_errno = sasl_err2ldap( rc );
 523                 return ld->ld_errno;
 524         }
 525
 526         Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_open: host=%s\n",
 527                 host, 0, 0 );
 528
 529         lc->lconn_sasl_authctx = ctx;
 530
 531         return LDAP_SUCCESS;
 532 }
 533
 534 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
 535 {
 536         sasl_conn_t *ctx = lc->lconn_sasl_authctx;
 537
 538         if( ctx != NULL ) {
 539                 sasl_dispose( &ctx );
 540                 if ( lc->lconn_sasl_sockctx &&
 541                         lc->lconn_sasl_authctx != lc->lconn_sasl_sockctx ) {
 542                         ctx = lc->lconn_sasl_sockctx;
 543                         sasl_dispose( &ctx );
 544                 }
 545                 lc->lconn_sasl_sockctx = NULL;
 546                 lc->lconn_sasl_authctx = NULL;
 547         }
 548
 549         return LDAP_SUCCESS;
 550 }
 551
 552 int
 553 ldap_int_sasl_bind(
 554         LDAP                    *ld,
 555         const char              *dn,
 556         const char              *mechs,
 557         LDAPControl             **sctrls,
 558         LDAPControl             **cctrls,
 559         unsigned                flags,
 560         LDAP_SASL_INTERACT_PROC *interact,
 561         void * defaults )
 562 {
 563         char *data;
 564         const char *mech = NULL;
 565         const char *pmech = NULL;
 566         int                     saslrc, rc;
 567         sasl_ssf_t              *ssf = NULL;
 568         sasl_conn_t     *ctx, *oldctx = NULL;
 569         sasl_interact_t *prompts = NULL;
 570         unsigned credlen;
 571         struct berval ccred;
 572         ber_socket_t            sd;
 573         void    *ssl;
 574
 575         Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_bind: %s\n",
 576                 mechs ? mechs : "<null>", 0, 0 );
 577
 578         /* do a quick !LDAPv3 check... ldap_sasl_bind will do the rest. */
 579         if (ld->ld_version < LDAP_VERSION3) {
 580                 ld->ld_errno = LDAP_NOT_SUPPORTED;
 581                 return ld->ld_errno;
 582         }
 583
 584         ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
 585
 586         if ( sd == AC_SOCKET_INVALID ) {
 587                 /* not connected yet */
 588                 int rc;
 589
 590                 rc = ldap_open_defconn( ld );
 591                 if( rc < 0 ) return ld->ld_errno;
 592
 593                 ber_sockbuf_ctrl( ld->ld_defconn->lconn_sb, LBER_SB_OPT_GET_FD, &sd );
 594
 595                 if( sd == AC_SOCKET_INVALID ) {
 596                         ld->ld_errno = LDAP_LOCAL_ERROR;
 597                         return ld->ld_errno;
 598                 }
 599         }
 600
 601         oldctx = ld->ld_defconn->lconn_sasl_authctx;
 602
 603         /* If we already have an authentication context, clear it out */
 604         if( oldctx ) {
 605                 if ( oldctx != ld->ld_defconn->lconn_sasl_sockctx ) {
 606                         sasl_dispose( &oldctx );
 607                 }
 608                 ld->ld_defconn->lconn_sasl_authctx = NULL;
 609         }
 610
 611         { char *saslhost = ldap_host_connected_to( ld->ld_defconn->lconn_sb, "localhost" );
 612         rc = ldap_int_sasl_open( ld, ld->ld_defconn, saslhost );
 613         LDAP_FREE( saslhost );
 614         }
 615
 616         if ( rc != LDAP_SUCCESS ) return rc;
 617
 618         ctx = ld->ld_defconn->lconn_sasl_authctx;
 619
 620         /* Check for TLS */
 621         ssl = ldap_pvt_tls_sb_ctx( ld->ld_defconn->lconn_sb );
 622         if ( ssl ) {
 623                 struct berval authid = BER_BVNULL;
 624                 ber_len_t fac;
 625
 626                 fac = ldap_pvt_tls_get_strength( ssl );
 627                 /* failure is OK, we just can't use SASL EXTERNAL */
 628                 (void) ldap_pvt_tls_get_my_dn( ssl, &authid, NULL, 0 );
 629
 630                 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid.bv_val, fac );
 631                 LDAP_FREE( authid.bv_val );
 632         }
 633
 634 #if !defined(_WIN32)
 635         /* Check for local */
 636         if ( ldap_pvt_url_scheme2proto( ld->ld_defconn->lconn_server->lud_scheme ) == LDAP_PROTO_IPC ) {
 637                 char authid[sizeof("uidNumber=4294967295+gidNumber=4294967295,"
 638                         "cn=peercred,cn=external,cn=auth")];
 639                 sprintf( authid, "uidNumber=%d+gidNumber=%d,"
 640                         "cn=peercred,cn=external,cn=auth",
 641                         (int) geteuid(), (int) getegid() );
 642                 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid, LDAP_PVT_SASL_LOCAL_SSF );
 643         }
 644 #endif
 645
 646         /* (re)set security properties */
 647         sasl_setprop( ctx, SASL_SEC_PROPS,
 648                 &ld->ld_options.ldo_sasl_secprops );
 649
 650         ccred.bv_val = NULL;
 651         ccred.bv_len = 0;
 652
 653         do {
 654                 saslrc = sasl_client_start( ctx,
 655                         mechs,
 656 #if SASL_VERSION_MAJOR < 2
 657                         NULL,
 658 #endif
 659                         &prompts,
 660                         (SASL_CONST char **)&ccred.bv_val,
 661                         &credlen,
 662                         &mech );
 663
 664                 if( pmech == NULL && mech != NULL ) {
 665                         pmech = mech;
 666
 667                         if( flags != LDAP_SASL_QUIET ) {
 668                                 fprintf(stderr,
 669                                         "SASL/%s authentication started\n",
 670                                         pmech );
 671                         }
 672                 }
 673
 674                 if( saslrc == SASL_INTERACT ) {
 675                         int res;
 676                         if( !interact ) break;
 677                         res = (interact)( ld, flags, defaults, prompts );
 678
 679                         if( res != LDAP_SUCCESS ) break;
 680                 }
 681         } while ( saslrc == SASL_INTERACT );
 682
 683         ccred.bv_len = credlen;
 684
 685         if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
 686                 rc = ld->ld_errno = sasl_err2ldap( saslrc );
 687 #if SASL_VERSION_MAJOR >= 2
 688                 ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
 689 #endif
 690                 goto done;
 691         }
 692
 693         do {
 694                 struct berval *scred;
 695                 unsigned credlen;
 696
 697                 scred = NULL;
 698
 699                 rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
 700
 701                 if ( ccred.bv_val != NULL ) {
 702 #if SASL_VERSION_MAJOR < 2
 703                         LDAP_FREE( ccred.bv_val );
 704 #endif
 705                         ccred.bv_val = NULL;
 706                 }
 707
 708                 if ( rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS ) {
 709                         if( scred && scred->bv_len ) {
 710                                 /* and server provided us with data? */
 711                                 Debug( LDAP_DEBUG_TRACE,
 712                                         "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
 713                                         rc, saslrc, scred->bv_len );
 714                                 ber_bvfree( scred );
 715                         }
 716                         rc = ld->ld_errno;
 717                         goto done;
 718                 }
 719
 720                 if( rc == LDAP_SUCCESS && saslrc == SASL_OK ) {
 721                         /* we're done, no need to step */
 722                         if( scred && scred->bv_len ) {
 723                                 /* but server provided us with data! */
 724                                 Debug( LDAP_DEBUG_TRACE,
 725                                         "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
 726                                         rc, saslrc, scred->bv_len );
 727                                 ber_bvfree( scred );
 728                                 rc = ld->ld_errno = LDAP_LOCAL_ERROR;
 729                                 goto done;
 730                         }
 731                         break;
 732                 }
 733
 734                 do {
 735                         saslrc = sasl_client_step( ctx,
 736                                 (scred == NULL) ? NULL : scred->bv_val,
 737                                 (scred == NULL) ? 0 : scred->bv_len,
 738                                 &prompts,
 739                                 (SASL_CONST char **)&ccred.bv_val,
 740                                 &credlen );
 741
 742                         Debug( LDAP_DEBUG_TRACE, "sasl_client_step: %d\n",
 743                                 saslrc, 0, 0 );
 744
 745                         if( saslrc == SASL_INTERACT ) {
 746                                 int res;
 747                                 if( !interact ) break;
 748                                 res = (interact)( ld, flags, defaults, prompts );
 749                                 if( res != LDAP_SUCCESS ) break;
 750                         }
 751                 } while ( saslrc == SASL_INTERACT );
 752
 753                 ccred.bv_len = credlen;
 754                 ber_bvfree( scred );
 755
 756                 if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
 757                         ld->ld_errno = sasl_err2ldap( saslrc );
 758 #if SASL_VERSION_MAJOR >= 2
 759                         ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
 760 #endif
 761                         rc = ld->ld_errno;
 762                         goto done;
 763                 }
 764         } while ( rc == LDAP_SASL_BIND_IN_PROGRESS );
 765
 766         if ( rc != LDAP_SUCCESS ) goto done;
 767
 768         if ( saslrc != SASL_OK ) {
 769 #if SASL_VERSION_MAJOR >= 2
 770                 ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
 771 #endif
 772                 rc = ld->ld_errno = sasl_err2ldap( saslrc );
 773                 goto done;
 774         }
 775
 776         if( flags != LDAP_SASL_QUIET ) {
 777                 saslrc = sasl_getprop( ctx, SASL_USERNAME, (SASL_CONST void **) &data );
 778                 if( saslrc == SASL_OK && data && *data ) {
 779                         fprintf( stderr, "SASL username: %s\n", data );
 780                 }
 781
 782 #if SASL_VERSION_MAJOR < 2
 783                 saslrc = sasl_getprop( ctx, SASL_REALM, (SASL_CONST void **) &data );
 784                 if( saslrc == SASL_OK && data && *data ) {
 785                         fprintf( stderr, "SASL realm: %s\n", data );
 786                 }
 787 #endif
 788         }
 789
 790         saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **) &ssf );
 791         if( saslrc == SASL_OK ) {
 792                 if( flags != LDAP_SASL_QUIET ) {
 793                         fprintf( stderr, "SASL SSF: %lu\n",
 794                                 (unsigned long) *ssf );
 795                 }
 796
 797                 if( ssf && *ssf ) {
 798                         if( flags != LDAP_SASL_QUIET ) {
 799                                 fprintf( stderr, "SASL installing layers\n" );
 800                         }
 801                         if ( ld->ld_defconn->lconn_sasl_sockctx ) {
 802                                 oldctx = ld->ld_defconn->lconn_sasl_sockctx;
 803                                 sasl_dispose( &oldctx );
 804                                 ldap_pvt_sasl_remove( ld->ld_defconn->lconn_sb );
 805                         }
 806                         ldap_pvt_sasl_install( ld->ld_conns->lconn_sb, ctx );
 807                         ld->ld_defconn->lconn_sasl_sockctx = ctx;
 808                 }
 809         }
 810         ld->ld_defconn->lconn_sasl_authctx = ctx;
 811
 812 done:
 813         return rc;
 814 }
 815
 816 int
 817 ldap_int_sasl_external(
 818         LDAP *ld,
 819         LDAPConn *conn,
 820         const char * authid,
 821         ber_len_t ssf )
 822 {
 823         int sc;
 824         sasl_conn_t *ctx;
 825 #if SASL_VERSION_MAJOR < 2
 826         sasl_external_properties_t extprops;
 827 #endif
 828
 829         ctx = conn->lconn_sasl_authctx;
 830
 831         if ( ctx == NULL ) {
 832                 return LDAP_LOCAL_ERROR;
 833         }
 834
 835 #if SASL_VERSION_MAJOR >= 2
 836         sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
 837         if ( sc == SASL_OK )
 838                 sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
 839 #else
 840         memset( &extprops, '\0', sizeof(extprops) );
 841         extprops.ssf = ssf;
 842         extprops.auth_id = (char *) authid;
 843
 844         sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
 845                 (void *) &extprops );
 846 #endif
 847
 848         if ( sc != SASL_OK ) {
 849                 return LDAP_LOCAL_ERROR;
 850         }
 851
 852         return LDAP_SUCCESS;
 853 }
 854
 855
 856 #define GOT_MINSSF      1
 857 #define GOT_MAXSSF      2
 858 #define GOT_MAXBUF      4
 859
 860 static struct {
 861         struct berval key;
 862         int sflag;
 863         int ival;
 864         int idef;
 865 } sprops[] = {
 866         { BER_BVC("none"), 0, 0, 0 },
 867         { BER_BVC("nodict"), SASL_SEC_NODICTIONARY, 0, 0 },
 868         { BER_BVC("noplain"), SASL_SEC_NOPLAINTEXT, 0, 0 },
 869         { BER_BVC("noactive"), SASL_SEC_NOACTIVE, 0, 0 },
 870         { BER_BVC("passcred"), SASL_SEC_PASS_CREDENTIALS, 0, 0 },
 871         { BER_BVC("forwardsec"), SASL_SEC_FORWARD_SECRECY, 0, 0 },
 872         { BER_BVC("noanonymous"), SASL_SEC_NOANONYMOUS, 0, 0 },
 873         { BER_BVC("minssf="), 0, GOT_MINSSF, 0 },
 874         { BER_BVC("maxssf="), 0, GOT_MAXSSF, INT_MAX },
 875         { BER_BVC("maxbufsize="), 0, GOT_MAXBUF, 65536 },
 876         { BER_BVNULL, 0, 0 }
 877 };
 878
 879 void ldap_pvt_sasl_secprops_unparse(
 880         sasl_security_properties_t *secprops,
 881         struct berval *out )
 882 {
 883         int i, l = 0;
 884         int comma;
 885         char *ptr;
 886
 887         if ( secprops == NULL || out == NULL ) {
 888                 return;
 889         }
 890
 891         comma = 0;
 892         for ( i=0; !BER_BVISNULL( &sprops[i].key ); i++ ) {
 893                 if ( sprops[i].ival ) {
 894                         int v;
 895
 896                         switch( sprops[i].ival ) {
 897                         case GOT_MINSSF: v = secprops->min_ssf; break;
 898                         case GOT_MAXSSF: v = secprops->max_ssf; break;
 899                         case GOT_MAXBUF: v = secprops->maxbufsize; break;
 900                         }
 901                         /* It is the default, ignore it */
 902                         if ( v == sprops[i].idef ) continue;
 903
 904                         l += sprops[i].key.bv_len + 24;
 905                 } else if ( sprops[i].sflag ) {
 906                         if ( sprops[i].sflag & secprops->security_flags ) {
 907                                 l += sprops[i].key.bv_len;
 908                         }
 909                 } else if ( secprops->security_flags == 0 ) {
 910                         l += sprops[i].key.bv_len;
 911                 }
 912                 if ( comma ) l++;
 913                 comma = 1;
 914         }
 915         l++;
 916
 917         out->bv_val = LDAP_MALLOC( l );
 918         if ( out->bv_val == NULL ) {
 919                 out->bv_len = 0;
 920                 return;
 921         }
 922
 923         ptr = out->bv_val;
 924         comma = 0;
 925         for ( i=0; !BER_BVISNULL( &sprops[i].key ); i++ ) {
 926                 if ( sprops[i].ival ) {
 927                         int v;
 928
 929                         switch( sprops[i].ival ) {
 930                         case GOT_MINSSF: v = secprops->min_ssf; break;
 931                         case GOT_MAXSSF: v = secprops->max_ssf; break;
 932                         case GOT_MAXBUF: v = secprops->maxbufsize; break;
 933                         }
 934                         /* It is the default, ignore it */
 935                         if ( v == sprops[i].idef ) continue;
 936
 937                         if ( comma ) *ptr++ = ',';
 938                         ptr += sprintf(ptr, "%s%d", sprops[i].key.bv_val, v );
 939                         comma = 1;
 940                 } else if ( sprops[i].sflag ) {
 941                         if ( sprops[i].sflag & secprops->security_flags ) {
 942                                 if ( comma ) *ptr++ = ',';
 943                                 ptr += sprintf(ptr, "%s", sprops[i].key.bv_val );
 944                                 comma = 1;
 945                         }
 946                 } else if ( secprops->security_flags == 0 ) {
 947                         if ( comma ) *ptr++ = ',';
 948                         ptr += sprintf(ptr, "%s", sprops[i].key.bv_val );
 949                         comma = 1;
 950                 }
 951         }
 952         out->bv_len = ptr - out->bv_val;
 953 }
 954
 955 int ldap_pvt_sasl_secprops(
 956         const char *in,
 957         sasl_security_properties_t *secprops )
 958 {
 959         int i, j, l;
 960         char **props = ldap_str2charray( in, "," );
 961         unsigned sflags = 0;
 962         int got_sflags = 0;
 963         sasl_ssf_t max_ssf = 0;
 964         int got_max_ssf = 0;
 965         sasl_ssf_t min_ssf = 0;
 966         int got_min_ssf = 0;
 967         unsigned maxbufsize = 0;
 968         int got_maxbufsize = 0;
 969
 970         if( props == NULL || secprops == NULL ) {
 971                 return LDAP_PARAM_ERROR;
 972         }
 973
 974         for( i=0; props[i]; i++ ) {
 975                 l = strlen( props[i] );
 976                 for ( j=0; !BER_BVISNULL( &sprops[j].key ); j++ ) {
 977                         if ( l < sprops[j].key.bv_len ) continue;
 978                         if ( strncasecmp( props[i], sprops[j].key.bv_val,
 979                                 sprops[j].key.bv_len )) continue;
 980                         if ( sprops[j].ival ) {
 981                                 int v;
 982                                 if ( props[i][sprops[j].key.bv_len] != '=' ) continue;
 983                                 if ( !isdigit( props[i][sprops[j].key.bv_len+1] )) continue;
 984                                 v = atoi( props[i]+sprops[j].key.bv_len+1 );
 985                                 switch( sprops[j].ival ) {
 986                                 case GOT_MINSSF:
 987                                         min_ssf = v; got_min_ssf++; break;
 988                                 case GOT_MAXSSF:
 989                                         max_ssf = v; got_max_ssf++; break;
 990                                 case GOT_MAXBUF:
 991                                         maxbufsize = v; got_maxbufsize++; break;
 992                                 }
 993                         } else {
 994                                 if ( props[i][sprops[j].key.bv_len] ) continue;
 995                                 if ( sprops[j].sflag )
 996                                         sflags |= sprops[j].sflag;
 997                                 else
 998                                         sflags = 0;
 999                                 got_sflags++;
1000                         }
1001                         break;
1002                 }
1003                 if ( BER_BVISNULL( &sprops[j].key )) {
1004                         return LDAP_NOT_SUPPORTED;
1005                 }
1006         }
1007
1008         if(got_sflags) {
1009                 secprops->security_flags = sflags;
1010         }
1011         if(got_min_ssf) {
1012                 secprops->min_ssf = min_ssf;
1013         }
1014         if(got_max_ssf) {
1015                 secprops->max_ssf = max_ssf;
1016         }
1017         if(got_maxbufsize) {
1018                 secprops->maxbufsize = maxbufsize;
1019         }
1020
1021         ldap_charray_free( props );
1022         return LDAP_SUCCESS;
1023 }
1024
1025 int
1026 ldap_int_sasl_config( struct ldapoptions *lo, int option, const char *arg )
1027 {
1028         int rc;
1029
1030         switch( option ) {
1031         case LDAP_OPT_X_SASL_SECPROPS:
1032                 rc = ldap_pvt_sasl_secprops( arg, &lo->ldo_sasl_secprops );
1033                 if( rc == LDAP_SUCCESS ) return 0;
1034         }
1035
1036         return -1;
1037 }
1038
1039 int
1040 ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
1041 {
1042         if ( ld == NULL )
1043                 return -1;
1044
1045         switch ( option ) {
1046                 case LDAP_OPT_X_SASL_MECH: {
1047                         *(char **)arg = ld->ld_options.ldo_def_sasl_mech
1048                                 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_mech ) : NULL;
1049                 } break;
1050                 case LDAP_OPT_X_SASL_REALM: {
1051                         *(char **)arg = ld->ld_options.ldo_def_sasl_realm
1052                                 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_realm ) : NULL;
1053                 } break;
1054                 case LDAP_OPT_X_SASL_AUTHCID: {
1055                         *(char **)arg = ld->ld_options.ldo_def_sasl_authcid
1056                                 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authcid ) : NULL;
1057                 } break;
1058                 case LDAP_OPT_X_SASL_AUTHZID: {
1059                         *(char **)arg = ld->ld_options.ldo_def_sasl_authzid
1060                                 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authzid ) : NULL;
1061                 } break;
1062
1063                 case LDAP_OPT_X_SASL_SSF: {
1064                         int sc;
1065                         sasl_ssf_t      *ssf;
1066                         sasl_conn_t *ctx;
1067
1068                         if( ld->ld_defconn == NULL ) {
1069                                 return -1;
1070                         }
1071
1072                         ctx = ld->ld_defconn->lconn_sasl_sockctx;
1073
1074                         if ( ctx == NULL ) {
1075                                 return -1;
1076                         }
1077
1078                         sc = sasl_getprop( ctx, SASL_SSF,
1079                                 (SASL_CONST void **) &ssf );
1080
1081                         if ( sc != SASL_OK ) {
1082                                 return -1;
1083                         }
1084
1085                         *(ber_len_t *)arg = *ssf;
1086                 } break;
1087
1088                 case LDAP_OPT_X_SASL_SSF_EXTERNAL:
1089                         /* this option is write only */
1090                         return -1;
1091
1092                 case LDAP_OPT_X_SASL_SSF_MIN:
1093                         *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.min_ssf;
1094                         break;
1095                 case LDAP_OPT_X_SASL_SSF_MAX:
1096                         *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.max_ssf;
1097                         break;
1098                 case LDAP_OPT_X_SASL_MAXBUFSIZE:
1099                         *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.maxbufsize;
1100                         break;
1101
1102                 case LDAP_OPT_X_SASL_SECPROPS:
1103                         /* this option is write only */
1104                         return -1;
1105
1106                 default:
1107                         return -1;
1108         }
1109         return 0;
1110 }
1111
1112 int
1113 ldap_int_sasl_set_option( LDAP *ld, int option, void *arg )
1114 {
1115         if ( ld == NULL )
1116                 return -1;
1117
1118         switch ( option ) {
1119         case LDAP_OPT_X_SASL_SSF:
1120                 /* This option is read-only */
1121                 return -1;
1122
1123         case LDAP_OPT_X_SASL_SSF_EXTERNAL: {
1124                 int sc;
1125 #if SASL_VERSION_MAJOR < 2
1126                 sasl_external_properties_t extprops;
1127 #endif
1128                 sasl_conn_t *ctx;
1129
1130                 if( ld->ld_defconn == NULL ) {
1131                         return -1;
1132                 }
1133
1134                 ctx = ld->ld_defconn->lconn_sasl_authctx;
1135
1136                 if ( ctx == NULL ) {
1137                         return -1;
1138                 }
1139
1140 #if SASL_VERSION_MAJOR >= 2
1141                 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, arg);
1142 #else
1143                 memset(&extprops, 0L, sizeof(extprops));
1144
1145                 extprops.ssf = * (ber_len_t *) arg;
1146
1147                 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
1148                         (void *) &extprops );
1149 #endif
1150
1151                 if ( sc != SASL_OK ) {
1152                         return -1;
1153                 }
1154                 } break;
1155
1156         case LDAP_OPT_X_SASL_SSF_MIN:
1157                 ld->ld_options.ldo_sasl_secprops.min_ssf = *(ber_len_t *)arg;
1158                 break;
1159         case LDAP_OPT_X_SASL_SSF_MAX:
1160                 ld->ld_options.ldo_sasl_secprops.max_ssf = *(ber_len_t *)arg;
1161                 break;
1162         case LDAP_OPT_X_SASL_MAXBUFSIZE:
1163                 ld->ld_options.ldo_sasl_secprops.maxbufsize = *(ber_len_t *)arg;
1164                 break;
1165
1166         case LDAP_OPT_X_SASL_SECPROPS: {
1167                 int sc;
1168                 sc = ldap_pvt_sasl_secprops( (char *) arg,
1169                         &ld->ld_options.ldo_sasl_secprops );
1170
1171                 return sc == LDAP_SUCCESS ? 0 : -1;
1172                 }
1173
1174         default:
1175                 return -1;
1176         }
1177         return 0;
1178 }
1179
1180 #ifdef LDAP_R_COMPILE
1181 #define LDAP_DEBUG_R_SASL
1182 void *ldap_pvt_sasl_mutex_new(void)
1183 {
1184         ldap_pvt_thread_mutex_t *mutex;
1185
1186         mutex = (ldap_pvt_thread_mutex_t *) LDAP_MALLOC(
1187                 sizeof(ldap_pvt_thread_mutex_t) );
1188
1189         if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
1190                 return mutex;
1191         }
1192 #ifndef LDAP_DEBUG_R_SASL
1193         assert( 0 );
1194 #endif /* !LDAP_DEBUG_R_SASL */
1195         return NULL;
1196 }
1197
1198 int ldap_pvt_sasl_mutex_lock(void *mutex)
1199 {
1200 #ifdef LDAP_DEBUG_R_SASL
1201         if ( mutex == NULL ) {
1202                 return SASL_OK;
1203         }
1204 #else /* !LDAP_DEBUG_R_SASL */
1205         assert( mutex );
1206 #endif /* !LDAP_DEBUG_R_SASL */
1207         return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex )
1208                 ? SASL_FAIL : SASL_OK;
1209 }
1210
1211 int ldap_pvt_sasl_mutex_unlock(void *mutex)
1212 {
1213 #ifdef LDAP_DEBUG_R_SASL
1214         if ( mutex == NULL ) {
1215                 return SASL_OK;
1216         }
1217 #else /* !LDAP_DEBUG_R_SASL */
1218         assert( mutex );
1219 #endif /* !LDAP_DEBUG_R_SASL */
1220         return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex )
1221                 ? SASL_FAIL : SASL_OK;
1222 }
1223
1224 void ldap_pvt_sasl_mutex_dispose(void *mutex)
1225 {
1226 #ifdef LDAP_DEBUG_R_SASL
1227         if ( mutex == NULL ) {
1228                 return;
1229         }
1230 #else /* !LDAP_DEBUG_R_SASL */
1231         assert( mutex );
1232 #endif /* !LDAP_DEBUG_R_SASL */
1233         (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
1234         LDAP_FREE( mutex );
1235 }
1236 #endif
1237
1238 #else
1239 int ldap_int_sasl_init( void )
1240 { return LDAP_SUCCESS; }
1241
1242 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
1243 { return LDAP_SUCCESS; }
1244
1245 int
1246 ldap_int_sasl_bind(
1247         LDAP                    *ld,
1248         const char              *dn,
1249         const char              *mechs,
1250         LDAPControl             **sctrls,
1251         LDAPControl             **cctrls,
1252         unsigned                flags,
1253         LDAP_SASL_INTERACT_PROC *interact,
1254         void * defaults )
1255 { return LDAP_NOT_SUPPORTED; }
1256
1257 int
1258 ldap_int_sasl_external(
1259         LDAP *ld,
1260         LDAPConn *conn,
1261         const char * authid,
1262         ber_len_t ssf )
1263 { return LDAP_SUCCESS; }
1264
1265 #endif /* HAVE_CYRUS_SASL */