]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/sasl.c
Update SASL code to reuse context through life of session.
[openldap] / libraries / libldap / sasl.c
index a7dab4373aa21e5abf6331765451a0c68ffc89e6..3168692582dfb7655ee4d0d8c3856c7380e51eb5 100644 (file)
@@ -27,6 +27,7 @@
 
 #include "portable.h"
 
+#include <stdlib.h>
 #include <stdio.h>
 
 #include <ac/socket.h>
@@ -345,367 +346,6 @@ ldap_parse_sasl_bind_result(
        return( ld->ld_errno );
 }
 
-#ifdef HAVE_CYRUS_SASL
-/*
-* Various Cyrus SASL related stuff.
-*/
-
-#define MAX_BUFF_SIZE  65536
-#define MIN_BUFF_SIZE  4096
-
-static char *
-array2str( char **a )
-{
-       char *s, **v, *p;
-       int len = 0;
-
-       for ( v = a; *v != NULL; v++ ) {
-               len += strlen( *v ) + 1; /* for a space */
-       }
-
-       if ( len == 0 ) {
-               return NULL;
-       }
-
-       s = LDAP_MALLOC ( len ); /* last space holds \0 */
-
-       if ( s == NULL ) {
-               return NULL;    
-       }
-
-       p = s;
-       for ( v = a; *v != NULL; v++ ) {
-               int len;
-
-               if ( v != a ) {
-                       strncpy( p, " ", 1 );
-                       ++p;
-               }
-               len = strlen( *v );
-               strncpy( p, *v, len );
-               p += len;
-       }
-
-       *p = '\0';
-
-       return s;
-}
-
-int ldap_pvt_sasl_init( void )
-{
-       /* XXX not threadsafe */
-       static int sasl_initialized = 0;
-
-       if ( sasl_initialized ) {
-               return 0;
-       }
-#ifndef CSRIMALLOC
-       sasl_set_alloc( ber_memalloc, ber_memcalloc, ber_memrealloc, ber_memfree );
-#endif /* CSRIMALLOC */
-
-       if ( sasl_client_init( NULL ) == SASL_OK ) {
-               sasl_initialized = 1;
-               return 0;
-       }
-
-       return -1;
-}
-
-/*
- * SASL encryption support for LBER Sockbufs
- */
-
-struct sb_sasl_data {
-       sasl_conn_t             *sasl_context;
-       Sockbuf_Buf             sec_buf_in;
-       Sockbuf_Buf             buf_in;
-       Sockbuf_Buf             buf_out;
-};
-
-static int
-sb_sasl_setup( Sockbuf_IO_Desc *sbiod, void *arg )
-{
-       struct sb_sasl_data     *p;
-
-       assert( sbiod != NULL );
-
-       p = LBER_MALLOC( sizeof( *p ) );
-       if ( p == NULL )
-               return -1;
-       p->sasl_context = (sasl_conn_t *)arg;
-       ber_pvt_sb_buf_init( &p->sec_buf_in );
-       ber_pvt_sb_buf_init( &p->buf_in );
-       ber_pvt_sb_buf_init( &p->buf_out );
-       if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, MIN_BUFF_SIZE ) < 0 ) {
-               errno = ENOMEM;
-               return -1;
-       }
-
-       sbiod->sbiod_pvt = p;
-
-       return 0;
-}
-
-static int
-sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
-{
-       struct sb_sasl_data     *p;
-
-       assert( sbiod != NULL );
-       
-       p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-       ber_pvt_sb_buf_destroy( &p->sec_buf_in );
-       ber_pvt_sb_buf_destroy( &p->buf_in );
-       ber_pvt_sb_buf_destroy( &p->buf_out );
-       LBER_FREE( p );
-       sbiod->sbiod_pvt = NULL;
-       return 0;
-}
-
-static ber_len_t
-sb_sasl_pkt_length( const char *buf, int debuglevel )
-{
-       ber_len_t               size;
-       long                    tmp;
-
-       assert( buf != NULL );
-
-       tmp = *((long *)buf);
-       size = ntohl( tmp );
-   
-       if ( size > MAX_BUFF_SIZE ) {
-               /* somebody is trying to mess me up. */
-               ber_log_printf( LDAP_DEBUG_ANY, debuglevel,
-                       "sb_sasl_pkt_length: received illegal packet length "
-                       "of %lu bytes\n", (unsigned long)size );      
-               size = 16; /* this should lead to an error. */
-}
-
-       return size + 4; /* include the size !!! */
-}
-
-/* Drop a processed packet from the input buffer */
-static void
-sb_sasl_drop_packet ( Sockbuf_Buf *sec_buf_in, int debuglevel )
-{
-       ber_slen_t                      len;
-
-       len = sec_buf_in->buf_ptr - sec_buf_in->buf_end;
-       if ( len > 0 )
-               memmove( sec_buf_in->buf_base, sec_buf_in->buf_base +
-                       sec_buf_in->buf_end, len );
-   
-       if ( len >= 4 ) {
-               sec_buf_in->buf_end = sb_sasl_pkt_length( sec_buf_in->buf_base,
-                       debuglevel);
-       }
-       else {
-               sec_buf_in->buf_end = 0;
-       }
-       sec_buf_in->buf_ptr = len;
-}
-
-static ber_slen_t
-sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
-{
-       struct sb_sasl_data     *p;
-       ber_slen_t              ret, bufptr;
-   
-       assert( sbiod != NULL );
-       assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
-
-       p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
-       /* Are there anything left in the buffer? */
-       ret = ber_pvt_sb_copy_out( &p->buf_in, buf, len );
-       bufptr = ret;
-       len -= ret;
-
-       if ( len == 0 )
-               return bufptr;
-
-       ber_pvt_sb_buf_destroy( &p->buf_in );
-
-       /* Read the length of the packet */
-       while ( p->sec_buf_in.buf_ptr < 4 ) {
-               ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base,
-                       4 - p->sec_buf_in.buf_ptr );
-#ifdef EINTR
-               if ( ( ret < 0 ) && ( errno == EINTR ) )
-                       continue;
-#endif
-               if ( ret <= 0 )
-                       return ret;
-
-               p->sec_buf_in.buf_ptr += ret;
-       }
-
-       /* The new packet always starts at p->sec_buf_in.buf_base */
-       ret = sb_sasl_pkt_length( p->sec_buf_in.buf_base,
-               sbiod->sbiod_sb->sb_debug );
-
-       /* Grow the packet buffer if neccessary */
-       if ( ( p->sec_buf_in.buf_size < ret ) && 
-                       ber_pvt_sb_grow_buffer( &p->sec_buf_in, ret ) < 0 ) {
-               errno = ENOMEM;
-               return -1;
-       }
-       p->sec_buf_in.buf_end = ret;
-
-       /* Did we read the whole encrypted packet? */
-       while ( p->sec_buf_in.buf_ptr < p->sec_buf_in.buf_end ) {
-               /* No, we have got only a part of it */
-               ret = p->sec_buf_in.buf_end - p->sec_buf_in.buf_ptr;
-
-               ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
-                       p->sec_buf_in.buf_ptr, ret );
-#ifdef EINTR
-               if ( ( ret < 0 ) && ( errno == EINTR ) )
-                       continue;
-#endif
-               if ( ret <= 0 )
-                       return ret;
-
-               p->sec_buf_in.buf_ptr += ret;
-       }
-
-       /* Decode the packet */
-       ret = sasl_decode( p->sasl_context, p->sec_buf_in.buf_base,
-               p->sec_buf_in.buf_end, &p->buf_in.buf_base,
-               (unsigned *)&p->buf_in.buf_end );
-       if ( ret != SASL_OK ) {
-               ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
-                       "sb_sasl_read: failed to decode packet: %s\n",
-                       sasl_errstring( ret, NULL, NULL ) );
-               sb_sasl_drop_packet( &p->sec_buf_in,
-                       sbiod->sbiod_sb->sb_debug );
-               errno = EIO;
-               return -1;
-       }
-       
-       /* Drop the packet from the input buffer */
-       sb_sasl_drop_packet( &p->sec_buf_in, sbiod->sbiod_sb->sb_debug );
-
-       p->buf_in.buf_size = p->buf_in.buf_end;
-
-       bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len );
-
-       return bufptr;
-}
-
-static ber_slen_t
-sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
-{
-       struct sb_sasl_data     *p;
-       int                     ret;
-
-       assert( sbiod != NULL );
-       assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
-
-       p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
-       /* Are there anything left in the buffer? */
-       if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
-               ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
-               if ( ret <= 0 )
-                       return ret;
-       }
-
-       /* now encode the next packet. */
-       ber_pvt_sb_buf_destroy( &p->buf_out );
-       ret = sasl_encode( p->sasl_context, buf, len, &p->buf_out.buf_base,
-               (unsigned *)&p->buf_out.buf_size );
-       if ( ret != SASL_OK ) {
-               ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
-                       "sb_sasl_write: failed to encode packet: %s\n",
-                       sasl_errstring( ret, NULL, NULL ) );
-               return -1;
-       }
-       p->buf_out.buf_end = p->buf_out.buf_size;
-
-       ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
-       if ( ret <= 0 )
-               return ret;
-       return len;
-}
-
-static int
-sb_sasl_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
-{
-       struct sb_sasl_data     *p;
-
-       p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
-
-       if ( opt == LBER_SB_OPT_DATA_READY ) {
-               if ( p->buf_in.buf_ptr != p->buf_in.buf_end )
-                       return 1;
-       }
-       
-       return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
-}
-
-Sockbuf_IO ldap_pvt_sockbuf_io_sasl =
-{
-       sb_sasl_setup,          /* sbi_setup */
-       sb_sasl_remove,         /* sbi_remove */
-       sb_sasl_ctrl,           /* sbi_ctrl */
-       sb_sasl_read,           /* sbi_read */
-       sb_sasl_write,          /* sbi_write */
-       NULL                    /* sbi_close */
-};
-
-int ldap_pvt_sasl_install( Sockbuf *sb, void *ctx_arg )
-{
-       /* don't install the stuff unless security has been negotiated */
-
-       if ( !ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO,
-                       &ldap_pvt_sockbuf_io_sasl ) )
-               ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl,
-                       LBER_SBIOD_LEVEL_APPLICATION, ctx_arg );
-
-       return LDAP_SUCCESS;
-}
-
-static int
-sasl_err2ldap( int saslerr )
-{
-       int rc;
-
-       switch (saslerr) {
-               case SASL_CONTINUE:
-                       rc = LDAP_MORE_RESULTS_TO_RETURN;
-                       break;
-               case SASL_OK:
-                       rc = LDAP_SUCCESS;
-                       break;
-               case SASL_FAIL:
-                       rc = LDAP_LOCAL_ERROR;
-                       break;
-               case SASL_NOMEM:
-                       rc = LDAP_NO_MEMORY;
-                       break;
-               case SASL_NOMECH:
-                       rc = LDAP_AUTH_UNKNOWN;
-                       break;
-               case SASL_BADAUTH:
-                       rc = LDAP_AUTH_UNKNOWN;
-                       break;
-               case SASL_NOAUTHZ:
-                       rc = LDAP_PARAM_ERROR;
-                       break;
-               case SASL_TOOWEAK:
-               case SASL_ENCRYPT:
-                       rc = LDAP_AUTH_UNKNOWN;
-                       break;
-               default:
-                       rc = LDAP_LOCAL_ERROR;
-                       break;
-       }
-
-       assert( rc == LDAP_SUCCESS || LDAP_API_ERROR( rc ) );
-       return rc;
-}
-
 int
 ldap_pvt_sasl_getmechs ( LDAP *ld, char **pmechlist )
 {
@@ -739,7 +379,7 @@ ldap_pvt_sasl_getmechs ( LDAP *ld, char **pmechlist )
                return ld->ld_errno;
        }
 
-       mechlist = array2str( values );
+       mechlist = ldap_charray2str( values, " " );
        if ( mechlist == NULL ) {
                ld->ld_errno = LDAP_NO_MEMORY;
                LDAP_VFREE( values );
@@ -755,361 +395,47 @@ ldap_pvt_sasl_getmechs ( LDAP *ld, char **pmechlist )
        return LDAP_SUCCESS;
 }
 
-int
-ldap_pvt_sasl_bind(
-       LDAP                    *ld,
-       LDAP_CONST char         *dn,
-       LDAP_CONST char         *mechs,
-       LDAP_CONST sasl_callback_t      *callbacks,
-       LDAPControl             **sctrls,
-       LDAPControl             **cctrls )
-{
-       const char *mech;
-       int                     saslrc, rc;
-       sasl_ssf_t              *ssf = NULL;
-       unsigned credlen;
-       struct berval ccred, *scred;
-       char *host;
-       sasl_interact_t *client_interact = NULL;
-       struct sockaddr_in      sin;
-       socklen_t               len;
-       sasl_security_properties_t      secprops;
-       ber_socket_t            sd;
-
-       Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_bind\n", 0, 0, 0 );
-
-       /* do a quick !LDAPv3 check... ldap_sasl_bind will do the rest. */
-       if (ld->ld_version < LDAP_VERSION3) {
-               ld->ld_errno = LDAP_NOT_SUPPORTED;
-               return ld->ld_errno;
-       }
-
-       ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
-
-       if ( sd == AC_SOCKET_INVALID ) {
-               /* not connected yet */
-               int rc = ldap_open_defconn( ld );
-  
-               if( rc < 0 ) return ld->ld_errno;
-               ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
-       }   
-
-       /* XXX this doesn't work with PF_LOCAL hosts */
-       host = ldap_host_connected_to( ld->ld_sb );
-
-       if ( host == NULL ) {
-               ld->ld_errno = LDAP_UNAVAILABLE;
-               return ld->ld_errno;
-       }
-
-       if ( ld->ld_sasl_context != NULL ) {
-               sasl_dispose( &ld->ld_sasl_context );
-       }
-
-       saslrc = sasl_client_new( "ldap", host, callbacks, SASL_SECURITY_LAYER,
-               &ld->ld_sasl_context );
-
-       LDAP_FREE( host );
-
-       if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
-               ld->ld_errno = sasl_err2ldap( saslrc );
-               sasl_dispose( &ld->ld_sasl_context );
-               return ld->ld_errno;
-       }
-
-       len = sizeof( sin );
-       if ( getpeername( sd, (struct sockaddr *)&sin, &len ) == -1 ) {
-               Debug( LDAP_DEBUG_ANY, "SASL: can't query remote IP.\n",
-                       0, 0, 0 );
-               ld->ld_errno = LDAP_OPERATIONS_ERROR;
-               return ld->ld_errno;
-       }
-       sasl_setprop( ld->ld_sasl_context, SASL_IP_REMOTE, &sin );
-
-       len = sizeof( sin );
-       if ( getsockname( sd, (struct sockaddr *)&sin, &len ) == -1 ) {
-               Debug( LDAP_DEBUG_ANY, "SASL: can't query local IP.\n",
-                       0, 0, 0 );
-               ld->ld_errno = LDAP_OPERATIONS_ERROR;
-               return ld->ld_errno;
-       }
-       sasl_setprop( ld->ld_sasl_context, SASL_IP_LOCAL, &sin );
-
-       memset( &secprops, '\0', sizeof( secprops ) );
-       secprops.min_ssf = ld->ld_options.ldo_sasl_minssf;
-       secprops.max_ssf = ld->ld_options.ldo_sasl_maxssf;
-       secprops.security_flags = SASL_SECURITY_LAYER;
-       secprops.maxbufsize = 65536;
-       sasl_setprop( ld->ld_sasl_context, SASL_SEC_PROPS, &secprops );
-
-       ccred.bv_val = NULL;
-       ccred.bv_len = 0;
-
-       saslrc = sasl_client_start( ld->ld_sasl_context,
-               mechs,
-               NULL,
-               &client_interact,
-               &ccred.bv_val,
-               &credlen,
-               &mech );
-
-       ccred.bv_len = credlen;
-
-       if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
-               ld->ld_errno = sasl_err2ldap( saslrc );
-               sasl_dispose( &ld->ld_sasl_context );
-               return ld->ld_errno;
-       }
-
-       scred = NULL;
-
-       do {
-               unsigned credlen;
-               sasl_interact_t *client_interact = NULL;
-
-               rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
-               if ( rc == LDAP_SUCCESS ) {
-                       break;
-               } else if ( rc != LDAP_SASL_BIND_IN_PROGRESS ) {
-                       if ( ccred.bv_val != NULL ) {
-                               LDAP_FREE( ccred.bv_val );
-                       }
-                       sasl_dispose( &ld->ld_sasl_context );
-                       return ld->ld_errno;
-               }
-
-               if ( ccred.bv_val != NULL ) {
-                       LDAP_FREE( ccred.bv_val );
-                       ccred.bv_val = NULL;
-               }
-
-               saslrc = sasl_client_step( ld->ld_sasl_context,
-                       (scred == NULL) ? NULL : scred->bv_val,
-                       (scred == NULL) ? 0 : scred->bv_len,
-                       &client_interact,
-                       &ccred.bv_val,
-                       &credlen );
-
-               ccred.bv_len = credlen;
-               ber_bvfree( scred );
-
-               if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
-                       ld->ld_errno = sasl_err2ldap( saslrc );
-                       sasl_dispose( &ld->ld_sasl_context );
-                       return ld->ld_errno;
-               }
-       } while ( rc == LDAP_SASL_BIND_IN_PROGRESS );
-
-       assert ( rc == LDAP_SUCCESS );
-
-       if ( sasl_getprop( ld->ld_sasl_context, SASL_SSF, (void **)&ssf )
-               == SASL_OK && ssf && *ssf ) {
-               ldap_pvt_sasl_install( ld->ld_sb, ld->ld_sasl_context );
-       }
-
-       return rc;
-}
-
-/* based on sample/sample-client.c */
-static int
-ldap_pvt_sasl_getsecret(sasl_conn_t *conn,
-       void *context, int id, sasl_secret_t **psecret)
-{
-       struct berval *passphrase = (struct berval *)context;
-       size_t len;           
-
-       if ( conn == NULL || psecret == NULL || id != SASL_CB_PASS ) {
-               return SASL_BADPARAM;
-       }
-
-       len = (passphrase != NULL) ? (size_t)passphrase->bv_len: 0;
-
-       *psecret = (sasl_secret_t *) LDAP_MALLOC( sizeof( sasl_secret_t ) + len );
-       if ( *psecret == NULL ) {
-               return SASL_NOMEM;
-       }
-
-       (*psecret)->len = passphrase->bv_len;
-
-       if ( passphrase != NULL ) {
-               memcpy((*psecret)->data, passphrase->bv_val, len);
-       }
-
-       return SASL_OK;
-}
-
-static int
-ldap_pvt_sasl_getsimple(void *context, int id, const char **result, int *len)
-{
-       const char *value = (const char *)context;
-
-       if ( result == NULL ) {
-               return SASL_BADPARAM;
-       }
-
-       switch ( id ) {
-               case SASL_CB_USER:
-               case SASL_CB_AUTHNAME:
-                       *result = value;
-                       if ( len )
-                               *len = value ? strlen( value ) : 0;
-                       break;
-               case SASL_CB_LANGUAGE:
-                       *result = NULL;
-                       if ( len )
-                               *len = 0;
-                       break;
-               default:
-                       return SASL_BADPARAM;
-       }
-
-       return SASL_OK;
-}
-
-int
-ldap_pvt_sasl_get_option( LDAP *ld, int option, void *arg )
-{
-       sasl_ssf_t      *ssf;
-       
-       if ( ld == NULL )
-               return -1;
-
-       switch ( option ) {
-               case LDAP_OPT_X_SASL_MINSSF:
-                       *(int *)arg = ld->ld_options.ldo_sasl_minssf;
-                       break;
-               case LDAP_OPT_X_SASL_MAXSSF:
-                       *(int *)arg = ld->ld_options.ldo_sasl_maxssf;
-                       break;
-               case LDAP_OPT_X_SASL_ACTSSF:
-                       if ( ld->ld_sasl_context == NULL ) {
-                               *(int *)arg = -1;
-                               break;
-                       }
-                       if ( sasl_getprop( ld->ld_sasl_context, SASL_SSF,
-                               (void **) &ssf ) != SASL_OK )
-                       {
-                               return -1;
-                       }
-                       *(int *)arg = *ssf;
-                       break;
-               default:
-                       return -1;
-       }
-       return 0;
-}
-
-int
-ldap_pvt_sasl_set_option( LDAP *ld, int option, void *arg )
-{
-       if ( ld == NULL )
-               return -1;
-
-       switch ( option ) {
-               case LDAP_OPT_X_SASL_MINSSF:
-                       ld->ld_options.ldo_sasl_minssf = *(int *)arg;
-                       break;
-               case LDAP_OPT_X_SASL_MAXSSF:
-                       ld->ld_options.ldo_sasl_maxssf = *(int *)arg;
-                       break;
-               case LDAP_OPT_X_SASL_ACTSSF:
-                       /* This option is read-only */
-               default:
-                       return -1;
-       }
-       return 0;
-}
-
 /*
- * ldap_negotiated_sasl_bind_s - bind to the ldap server (and X.500)
- * using SASL authentication.
+ * ldap_sasl_interactive_bind_s - interactive SASL authentication
  *
- * This routine attempts to authenticate the user referred by the
- * authentication id using the provided password.  An optional
- * authorization identity may be provided.  An DN is generally not
- * provided [see AuthMethod].
+ * This routine uses interactive callbacks.
  *
- * If the mechanism negotiated does not require a password, the
- * passwd field is ignored.  [A callback mechanism should really
- * be used].
- * 
  * LDAP_SUCCESS is returned upon success, the ldap error code
  * otherwise.
- *
- * Examples:
- *     ldap_negotiated_sasl_bind_s( ld, NULL,
- *         NULL, NULL, NULL,
- *             NULL, NULL, NULL, NULL );
- *
- *     ldap_negotiated_sasl_bind_s( ld, NULL,
- *         "user@OPENLDAP.ORG", NULL, NULL,
- *             "GSSAPI", NULL, NULL, NULL );
- *
- *     ldap_negotiated_sasl_bind_s( ld, NULL,
- *         "manager", "dn:cn=user,dc=openldap,dc=org", NULL,
- *             "DIGEST-MD5", NULL, NULL, NULL );
- *
- *     ldap_negotiated_sasl_bind_s( ld, NULL,
- *         "root@OPENLDAP.ORG", "u:user@OPENLDAP.ORG", NULL,
- *             "GSSAPI", NULL, NULL, NULL );
- *
- *     ldap_negotiated_sasl_bind_s( ld, NULL,
- *         "manager", "dn:cn=user,dc=openldap,dc=org", NULL,
- *             "DIGEST-MD5", NULL, NULL, NULL );
  */
 int
-ldap_negotiated_sasl_bind_s(
+ldap_sasl_interactive_bind_s(
        LDAP *ld,
        LDAP_CONST char *dn, /* usually NULL */
-       LDAP_CONST char *authenticationId,
-       LDAP_CONST char *authorizationId, /* commonly NULL */
-       LDAP_CONST char *saslMechanism,
-       struct berval *passPhrase,
+       LDAP_CONST char *mechs,
        LDAPControl **serverControls,
        LDAPControl **clientControls)
 {
-       int n;
-       sasl_callback_t callbacks[4];
        int rc;
 
-       Debug( LDAP_DEBUG_TRACE, "ldap_negotiated_sasl_bind_s\n", 0, 0, 0 );
+       if( mechs == NULL || *mechs == '\0' ) {
+               char *smechs;
 
-       if( saslMechanism == NULL || *saslMechanism == '\0' ) {
-               char *mechs;
-               rc = ldap_pvt_sasl_getmechs( ld, &mechs );
+               rc = ldap_pvt_sasl_getmechs( ld, &smechs );
 
                if( rc != LDAP_SUCCESS ) {
                        return rc;
                }
 
-               saslMechanism = mechs;
-       }
+               Debug( LDAP_DEBUG_TRACE,
+                       "ldap_interactive_sasl_bind_s: server supports: %s\n",
+                       smechs, 0, 0 );
 
-       /* SASL Authentication Identity */
-       callbacks[n=0].id = SASL_CB_AUTHNAME;
-       callbacks[n].proc = ldap_pvt_sasl_getsimple;
-       callbacks[n].context = (void *)authenticationId;
+               mechs = smechs;
 
-       /* SASL Authorization Identity (userid) */
-       if( authorizationId != NULL ) {
-               callbacks[++n].id = SASL_CB_USER;
-               callbacks[n].proc = ldap_pvt_sasl_getsimple;
-               callbacks[n].context = (void *)authorizationId;
+       } else {
+               Debug( LDAP_DEBUG_TRACE,
+                       "ldap_interactive_sasl_bind_s: user selected: %s\n",
+                       mechs, 0, 0 );
        }
 
-       callbacks[++n].id = SASL_CB_PASS;
-       callbacks[n].proc = ldap_pvt_sasl_getsecret;
-       callbacks[n].context = (void *)passPhrase;
-
-       callbacks[++n].id = SASL_CB_LIST_END;
-       callbacks[n].proc = NULL;
-       callbacks[n].context = NULL;
-
-       assert( n * sizeof(sasl_callback_t) < sizeof(callbacks) );
-
-       rc = ldap_pvt_sasl_bind(ld, dn, saslMechanism, callbacks,
-               serverControls, clientControls);
+       rc = ldap_int_sasl_bind( ld, dn, mechs,
+               serverControls, clientControls );
 
        return rc;
 }
-#endif /* HAVE_CYRUS_SASL */