X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fbind.c;h=daa473859c9a602927ef1ce64ae288915cd32934;hb=5fcc9285fb8c549a5264921a2b61cfc40803d720;hp=b21354e05c13ced9e80451c8ad5f7b567e011135;hpb=e8c58b4e7f21caa6c0b6006e3528cbad9b8aed45;p=openldap

diff --git a/servers/slapd/bind.c b/servers/slapd/bind.c
index b21354e05c..daa473859c 100644
--- a/servers/slapd/bind.c
+++ b/servers/slapd/bind.c
@@ -1,12 +1,19 @@
 /* bind.c - decode an ldap bind operation and pass it to a backend db */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2012 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
-
-/*
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
@@ -24,63 +31,51 @@
 #include <ac/string.h>
 #include <ac/socket.h>
 
-#include "ldap_pvt.h"
 #include "slap.h"
-#ifdef LDAP_SLAPI
-#include "slapi.h"
-#endif
-
 
 int
 do_bind(
     Operation	*op,
-    SlapReply	*rs
-)
+    SlapReply	*rs )
 {
 	BerElement *ber = op->o_ber;
 	ber_int_t version;
 	ber_tag_t method;
-	struct berval mech = { 0, NULL };
-	struct berval dn = { 0, NULL };
+	struct berval mech = BER_BVNULL;
+	struct berval dn = BER_BVNULL;
 	ber_tag_t tag;
-	Backend *be;
-
-#ifdef LDAP_SLAPI
-	Slapi_PBlock *pb = op->o_pb;
-#endif
+	Backend *be = NULL;
 
-#ifdef NEW_LOGGING
-	LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", op->o_connid, 0, 0 );
-#else
-	Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
-#endif
+	Debug( LDAP_DEBUG_TRACE, "%s do_bind\n",
+		op->o_log_prefix, 0, 0 );
 
 	/*
-	 * Force to connection to "anonymous" until bind succeeds.
+	 * Force the connection to "anonymous" until bind succeeds.
 	 */
 	ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
-	if ( op->o_conn->c_sasl_bind_in_progress ) be = op->o_conn->c_authz_backend;
-
-	/* log authorization identity demotion */
-	if ( op->o_conn->c_dn.bv_len ) {
+	if ( op->o_conn->c_sasl_bind_in_progress ) {
+		be = op->o_conn->c_authz_backend;
+	}
+	if ( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
+		/* log authorization identity demotion */
 		Statslog( LDAP_DEBUG_STATS,
-			"conn=%lu op=%lu BIND anonymous mech=implicit ssf=0",
-			op->o_connid, op->o_opid, 0, 0, 0 );
+			"%s BIND anonymous mech=implicit ssf=0\n",
+			op->o_log_prefix, 0, 0, 0, 0 );
 	}
-
 	connection2anonymous( op->o_conn );
-	if ( op->o_conn->c_sasl_bind_in_progress ) op->o_conn->c_authz_backend = be;
+	if ( op->o_conn->c_sasl_bind_in_progress ) {
+		op->o_conn->c_authz_backend = be;
+	}
 	ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
-
-	if ( op->o_dn.bv_val != NULL ) {
-		free( op->o_dn.bv_val );
-		op->o_dn.bv_val = ch_strdup( "" );
+	if ( !BER_BVISNULL( &op->o_dn ) ) {
+		/* NOTE: temporarily wasting few bytes
+		 * (until bind is completed), but saving
+		 * a couple of ch_free() and ch_strdup("") */ 
+		op->o_dn.bv_val[0] = '\0';
 		op->o_dn.bv_len = 0;
 	}
-
-	if ( op->o_ndn.bv_val != NULL ) {
-		free( op->o_ndn.bv_val );
-		op->o_ndn.bv_val = ch_strdup( "" );
+	if ( !BER_BVISNULL( &op->o_ndn ) ) {
+		op->o_ndn.bv_val[0] = '\0';
 		op->o_ndn.bv_len = 0;
 	}
 
@@ -92,8 +87,8 @@ do_bind(
 	 *		name		DistinguishedName,	 -- dn
 	 *		authentication	CHOICE {
 	 *			simple		[0] OCTET STRING -- passwd
-	 *			krbv42ldap	[1] OCTET STRING
-	 *			krbv42dsa	[2] OCTET STRING
+	 *			krbv42ldap	[1] OCTET STRING -- OBSOLETE
+	 *			krbv42dsa	[2] OCTET STRING -- OBSOLETE
 	 *			SASL		[3] SaslCredentials
 	 *		}
 	 *	}
@@ -107,21 +102,18 @@ do_bind(
 	tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 
 	if ( tag == LBER_ERROR ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, ERR, 
-			"do_bind: conn %d  ber_scanf failed\n", op->o_connid, 0, 0 );
-#else
-		Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
-#endif
+		Debug( LDAP_DEBUG_ANY, "%s do_bind: ber_scanf failed\n",
+			op->o_log_prefix, 0, 0 );
 		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
-		rs->sr_err = -1;
+		rs->sr_err = SLAPD_DISCONNECT;
 		goto cleanup;
 	}
 
 	op->o_protocol = version;
+	op->orb_method = method;
 
-	if( method != LDAP_AUTH_SASL ) {
-		tag = ber_scanf( ber, /*{*/ "m}", &op->oq_bind.rb_cred );
+	if( op->orb_method != LDAP_AUTH_SASL ) {
+		tag = ber_scanf( ber, /*{*/ "m}", &op->orb_cred );
 
 	} else {
 		tag = ber_scanf( ber, "{m" /*}*/, &mech );
@@ -131,11 +123,10 @@ do_bind(
 			tag = ber_peek_tag( ber, &len );
 
 			if ( tag == LDAP_TAG_LDAPCRED ) { 
-				tag = ber_scanf( ber, "m", &op->oq_bind.rb_cred );
+				tag = ber_scanf( ber, "m", &op->orb_cred );
 			} else {
 				tag = LDAP_TAG_LDAPCRED;
-				op->oq_bind.rb_cred.bv_val = NULL;
-				op->oq_bind.rb_cred.bv_len = 0;
+				BER_BVZERO( &op->orb_cred );
 			}
 
 			if ( tag != LBER_ERROR ) {
@@ -145,71 +136,50 @@ do_bind(
 	}
 
 	if ( tag == LBER_ERROR ) {
-		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
-		"decoding error" );
+		Debug( LDAP_DEBUG_ANY, "%s do_bind: ber_scanf failed\n",
+			op->o_log_prefix, 0, 0 );
+		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
 		rs->sr_err = SLAPD_DISCONNECT;
 		goto cleanup;
 	}
 
 	if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, 
-			"do_bind: conn %d  get_ctrls failed\n", op->o_connid, 0, 0 );
-#else
-		Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
-#endif
+		Debug( LDAP_DEBUG_ANY, "%s do_bind: get_ctrls failed\n",
+			op->o_log_prefix, 0, 0 );
 		goto cleanup;
 	} 
 
-	rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn );
+	/* We use the tmpmemctx here because it speeds up normalization.
+	 * However, we must dup with regular malloc when storing any
+	 * resulting DNs in the op or conn structures.
+	 */
+	rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
+		op->o_tmpmemctx );
 	if ( rs->sr_err != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, 
-			"do_bind: conn %d  invalid dn (%s)\n", 
-			op->o_connid, dn.bv_val, 0 );
-#else
-		Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
-			dn.bv_val, 0, 0 );
-#endif
+		Debug( LDAP_DEBUG_ANY, "%s do_bind: invalid dn (%s)\n",
+			op->o_log_prefix, dn.bv_val, 0 );
 		send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 		goto cleanup;
 	}
 
-	if( method == LDAP_AUTH_SASL ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION,	 DETAIL1, 
-			"do_sasl_bind: conn %d  dn (%s) mech %s\n", 
-			op->o_connid, op->o_req_dn.bv_val, mech.bv_val );
-#else
-		Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
+	Statslog( LDAP_DEBUG_STATS, "%s BIND dn=\"%s\" method=%ld\n",
+	    op->o_log_prefix, op->o_req_dn.bv_val,
+		(unsigned long) op->orb_method, 0, 0 );
+
+	if( op->orb_method == LDAP_AUTH_SASL ) {
+		Debug( LDAP_DEBUG_TRACE, "do_bind: dn (%s) SASL mech %s\n",
 			op->o_req_dn.bv_val, mech.bv_val, NULL );
-#endif
 
 	} else {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, DETAIL1, 
-			"do_bind: version=%ld dn=\"%s\" method=%ld\n",
-			(unsigned long) version, op->o_req_dn.bv_val, (unsigned long)method );
-#else
 		Debug( LDAP_DEBUG_TRACE,
 			"do_bind: version=%ld dn=\"%s\" method=%ld\n",
-			(unsigned long) version,
-			op->o_req_dn.bv_val, (unsigned long) method );
-#endif
+			(unsigned long) version, op->o_req_dn.bv_val,
+			(unsigned long) op->orb_method );
 	}
 
-	Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
-	    op->o_connid, op->o_opid, op->o_req_dn.bv_val, (unsigned long) method, 0 );
-
 	if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, 
-			"do_bind: conn %d  unknown version = %ld\n",
-			op->o_connid, (unsigned long)version, 0 );
-#else
-		Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
-			(unsigned long) version, 0, 0 );
-#endif
+		Debug( LDAP_DEBUG_ANY, "%s do_bind: unknown version=%ld\n",
+			op->o_log_prefix, (unsigned long) version, 0 );
 		send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 			"requested protocol version not supported" );
 		goto cleanup;
@@ -222,141 +192,102 @@ do_bind(
 		goto cleanup;
 	}
 
-	/* we set connection version regardless of whether bind succeeds
-	 * or not.
+	/*
+	 * we set connection version regardless of whether bind succeeds or not.
 	 */
 	ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 	op->o_conn->c_protocol = version;
 	ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 
+	op->orb_mech = mech;
+
+	op->o_bd = frontendDB;
+	rs->sr_err = frontendDB->be_bind( op, rs );
+
+cleanup:
+	if ( rs->sr_err == LDAP_SUCCESS ) {
+		if ( op->orb_method != LDAP_AUTH_SASL ) {
+			ber_dupbv( &op->o_conn->c_authmech, &mech );
+		}
+		op->o_conn->c_authtype = op->orb_method;
+	}
+
+	if( !BER_BVISNULL( &op->o_req_dn ) ) {
+		slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
+		BER_BVZERO( &op->o_req_dn );
+	}
+	if( !BER_BVISNULL( &op->o_req_ndn ) ) {
+		slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+		BER_BVZERO( &op->o_req_ndn );
+	}
+
+	return rs->sr_err;
+}
+
+int
+fe_op_bind( Operation *op, SlapReply *rs )
+{
+	BackendDB	*bd = op->o_bd;
+
 	/* check for inappropriate controls */
-	if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
+	if( get_manageDSAit( op ) == SLAP_CONTROL_CRITICAL ) {
 		send_ldap_error( op, rs,
 			LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
 			"manageDSAit control inappropriate" );
 		goto cleanup;
 	}
 
-	/* Set the bindop for the benefit of in-directory SASL lookups */
-	op->o_conn->c_sasl_bindop = op;
-
-	if ( method == LDAP_AUTH_SASL ) {
-		if ( version < LDAP_VERSION3 ) {
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, INFO, 
-				"do_bind: conn %d  sasl with LDAPv%ld\n",
-				op->o_connid, (unsigned long)version , 0 );
-#else
+	if ( op->orb_method == LDAP_AUTH_SASL ) {
+		if ( op->o_protocol < LDAP_VERSION3 ) {
 			Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
-				(unsigned long) version, 0, 0 );
-#endif
+				(unsigned long)op->o_protocol, 0, 0 );
 			send_ldap_discon( op, rs,
 				LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
 			rs->sr_err = SLAPD_DISCONNECT;
 			goto cleanup;
 		}
 
-		if( mech.bv_len == 0 ) {
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, INFO, 
-				   "do_bind: conn %d  no SASL mechanism provided\n",
-				   op->o_connid, 0, 0 );
-#else
+		if( BER_BVISNULL( &op->orb_mech ) || BER_BVISEMPTY( &op->orb_mech ) ) {
 			Debug( LDAP_DEBUG_ANY,
 				"do_bind: no sasl mechanism provided\n",
 				0, 0, 0 );
-#endif
 			send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
 				"no SASL mechanism provided" );
 			goto cleanup;
 		}
 
 		/* check restrictions */
-		if( backend_check_restrictions( op, rs, &mech ) != LDAP_SUCCESS ) {
+		if( backend_check_restrictions( op, rs, &op->orb_mech ) != LDAP_SUCCESS ) {
 			send_ldap_result( op, rs );
 			goto cleanup;
 		}
 
 		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 		if ( op->o_conn->c_sasl_bind_in_progress ) {
-			if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &mech ) ) {
+			if( !bvmatch( &op->o_conn->c_sasl_bind_mech, &op->orb_mech ) ) {
 				/* mechanism changed between bind steps */
 				slap_sasl_reset(op->o_conn);
 			}
 		} else {
-			ber_dupbv(&op->o_conn->c_sasl_bind_mech, &mech);
+			ber_dupbv(&op->o_conn->c_sasl_bind_mech, &op->orb_mech);
 		}
-		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 
-		rs->sr_err = slap_sasl_bind( op, rs );
+		/* Set the bindop for the benefit of in-directory SASL lookups */
+		op->o_conn->c_sasl_bindop = op;
 
-		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
-		if( rs->sr_err == LDAP_SUCCESS ) {
-			op->o_conn->c_dn = op->oq_bind.rb_edn;
-			if( op->oq_bind.rb_edn.bv_len != 0 ) {
-				/* edn is always normalized already */
-				ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
-			}
-			op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
-			op->o_conn->c_sasl_bind_mech.bv_val = NULL;
-			op->o_conn->c_sasl_bind_mech.bv_len = 0;
-			op->o_conn->c_sasl_bind_in_progress = 0;
-
-			op->o_conn->c_sasl_ssf = op->oq_bind.rb_ssf;
-			if( op->oq_bind.rb_ssf > op->o_conn->c_ssf ) {
-				op->o_conn->c_ssf = op->oq_bind.rb_ssf;
-			}
-
-			if( op->o_conn->c_dn.bv_len != 0 ) {
-				ber_len_t max = sockbuf_max_incoming_auth;
-				ber_sockbuf_ctrl( op->o_conn->c_sb,
-					LBER_SB_OPT_SET_MAX_INCOMING, &max );
-			}
-
-			/* log authorization identity */
-			Statslog( LDAP_DEBUG_STATS,
-				"conn=%lu op=%lu BIND dn=\"%s\" mech=%s ssf=%d\n",
-				op->o_connid, op->o_opid,
-				op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
-				op->o_conn->c_authmech.bv_val, op->oq_bind.rb_ssf );
-
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, DETAIL1, 
-				"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
-				op->o_conn->c_authmech.bv_val,
-				op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
-				op->oq_bind.rb_ssf );
-#else
-			Debug( LDAP_DEBUG_TRACE,
-				"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
-				op->o_conn->c_authmech.bv_val,
-				op->o_conn->c_dn.bv_val ? op->o_conn->c_dn.bv_val : "<empty>",
-				op->oq_bind.rb_ssf );
-#endif
-
-		} else if ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS ) {
-			op->o_conn->c_sasl_bind_in_progress = 1;
-
-		} else {
-			if ( op->o_conn->c_sasl_bind_mech.bv_val ) {
-				free( op->o_conn->c_sasl_bind_mech.bv_val );
-				op->o_conn->c_sasl_bind_mech.bv_val = NULL;
-				op->o_conn->c_sasl_bind_mech.bv_len = 0;
-			}
-			op->o_conn->c_sasl_bind_in_progress = 0;
-		}
 		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 
+		rs->sr_err = slap_sasl_bind( op, rs );
+
 		goto cleanup;
 
 	} else {
 		/* Not SASL, cancel any in-progress bind */
 		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 
-		if ( op->o_conn->c_sasl_bind_mech.bv_val != NULL ) {
-			free(op->o_conn->c_sasl_bind_mech.bv_val);
-			op->o_conn->c_sasl_bind_mech.bv_val = NULL;
-			op->o_conn->c_sasl_bind_mech.bv_len = 0;
+		if ( !BER_BVISNULL( &op->o_conn->c_sasl_bind_mech ) ) {
+			free( op->o_conn->c_sasl_bind_mech.bv_val );
+			BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
 		}
 		op->o_conn->c_sasl_bind_in_progress = 0;
 
@@ -364,23 +295,25 @@ do_bind(
 		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 	}
 
-	if ( method == LDAP_AUTH_SIMPLE ) {
+	if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
+		BER_BVSTR( &op->orb_mech, "SIMPLE" );
 		/* accept "anonymous" binds */
-		if ( op->oq_bind.rb_cred.bv_len == 0 || op->o_req_ndn.bv_len == 0 ) {
+		if ( BER_BVISEMPTY( &op->orb_cred ) || BER_BVISEMPTY( &op->o_req_ndn ) ) {
 			rs->sr_err = LDAP_SUCCESS;
 
-			if( op->oq_bind.rb_cred.bv_len &&
+			if( !BER_BVISEMPTY( &op->orb_cred ) &&
 				!( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
 			{
 				/* cred is not empty, disallow */
 				rs->sr_err = LDAP_INVALID_CREDENTIALS;
 
-			} else if ( op->o_req_ndn.bv_len &&
+			} else if ( !BER_BVISEMPTY( &op->o_req_ndn ) &&
 				!( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
 			{
 				/* DN is not empty, disallow */
 				rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
-				rs->sr_text = "unauthenticated bind (DN with no password) disallowed";
+				rs->sr_text =
+					"unauthenticated bind (DN with no password) disallowed";
 
 			} else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
 				/* disallow */
@@ -388,7 +321,7 @@ do_bind(
 				rs->sr_text = "anonymous bind disallowed";
 
 			} else {
-				backend_check_restrictions( op, rs, &mech );
+				backend_check_restrictions( op, rs, &op->orb_mech );
 			}
 
 			/*
@@ -396,14 +329,8 @@ do_bind(
 			 * just need to send success
 			 */
 			send_ldap_result( op, rs );
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, DETAIL1, 
-				   "do_bind: conn %d  v%d anonymous bind\n",
-				   op->o_connid, version , 0 );
-#else
 			Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
-				version, 0, 0 );
-#endif
+				op->o_protocol, 0, 0 );
 			goto cleanup;
 
 		} else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
@@ -412,72 +339,20 @@ do_bind(
 			rs->sr_text = "unwilling to perform simple authentication";
 
 			send_ldap_result( op, rs );
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, INFO, 
-				   "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
-				   op->o_connid, version, op->o_req_ndn.bv_val );
-#else
 			Debug( LDAP_DEBUG_TRACE,
 				"do_bind: v%d simple bind(%s) disallowed\n",
-				version, op->o_req_ndn.bv_val, 0 );
-#endif
-			goto cleanup;
-
-		} else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
-			&& ( op->o_ssf <= 1 ))
-		{
-			rs->sr_err = LDAP_CONFIDENTIALITY_REQUIRED;
-			rs->sr_text = "unwilling to perform simple authentication "
-				"without confidentilty protection";
-
-			send_ldap_result( op, rs );
-
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, INFO, "do_bind: conn %d  "
-				"v%d unprotected simple bind(%s) disallowed\n",
-				op->o_connid, version, op->o_req_ndn.bv_val );
-#else
-			Debug( LDAP_DEBUG_TRACE,
-				"do_bind: v%d unprotected simple bind(%s) disallowed\n",
-				version, op->o_req_ndn.bv_val, 0 );
-#endif
-			goto cleanup;
-		}
-
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
-	} else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
-		if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
-			/* disallow simple authentication */
-			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
-			rs->sr_text = "unwilling to perform Kerberos V4 bind";
-
-			send_ldap_result( op, rs );
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, DETAIL1, 
-				   "do_bind: conn %d  v%d Kerberos V4 bind\n",
-				   op->o_connid, version , 0 );
-#else
-			Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
-				version, 0, 0 );
-#endif
+				op->o_protocol, op->o_req_ndn.bv_val, 0 );
 			goto cleanup;
 		}
-#endif
 
 	} else {
 		rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 		rs->sr_text = "unknown authentication method";
 
 		send_ldap_result( op, rs );
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, 
-			   "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
-			   op->o_connid, version, method );
-#else
 		Debug( LDAP_DEBUG_TRACE,
-			"do_bind: v%d unknown authentication method (%ld)\n",
-			version, method, 0 );
-#endif
+			"do_bind: v%d unknown authentication method (%d)\n",
+			op->o_protocol, op->orb_method, 0 );
 		goto cleanup;
 	}
 
@@ -487,23 +362,12 @@ do_bind(
 	 * if we don't hold it.
 	 */
 
-	if ( (op->o_bd = select_backend( &op->o_req_ndn, 0, 0 )) == NULL ) {
-		if ( default_referral ) {
-			rs->sr_ref = referral_rewrite( default_referral,
-				NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
-			if (!rs->sr_ref) rs->sr_ref = default_referral;
-
-			rs->sr_err = LDAP_REFERRAL;
-			send_ldap_result( op, rs );
-
-			if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
-
-		} else {
-			/* noSuchObject is not allowed to be returned by bind */
-			rs->sr_err = LDAP_INVALID_CREDENTIALS;
-			send_ldap_result( op, rs );
-		}
-
+	if ( (op->o_bd = select_backend( &op->o_req_ndn, 0 )) == NULL ) {
+		/* don't return referral for bind requests */
+		/* noSuchObject is not allowed to be returned by bind */
+		rs->sr_err = LDAP_INVALID_CREDENTIALS;
+		op->o_bd = bd;
+		send_ldap_result( op, rs );
 		goto cleanup;
 	}
 
@@ -513,149 +377,68 @@ do_bind(
 		goto cleanup;
 	}
 
-#if defined( LDAP_SLAPI )
-	slapi_x_backend_set_pb( pb, op->o_bd );
-	slapi_x_connection_set_pb( pb, op->o_conn );
-	slapi_x_operation_set_pb( pb, op );
-	slapi_pblock_set( pb, SLAPI_BIND_TARGET, (void *)dn.bv_val );
-	slapi_pblock_set( pb, SLAPI_BIND_METHOD, (void *)method );
-	slapi_pblock_set( pb, SLAPI_BIND_CREDENTIALS, (void *)&op->oq_bind.rb_cred );
-	slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(0) );
-
-	rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_BIND_FN, pb );
-	if ( rs->sr_err != SLAPI_BIND_SUCCESS ) {
-		/*
-		 * Binding is a special case for SLAPI plugins. It is
-		 * possible for a bind plugin to be successful *and*
-		 * abort further processing; this means it has handled
-		 * a bind request authoritatively. If we have reached
-		 * here, a result has been sent to the client (XXX
-		 * need to check with Sun whether SLAPI_BIND_ANONYMOUS
-		 * means a result has been sent).
-		 */
-		int ldapRc;
-
-		if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&ldapRc ) != 0 )
-			ldapRc = LDAP_OTHER;
-
-		op->oq_bind.rb_edn.bv_val = NULL;
-		op->oq_bind.rb_edn.bv_len = 0;
-		if ( rs->sr_err != SLAPI_BIND_FAIL && ldapRc == LDAP_SUCCESS ) {
-			/* Set the new connection DN. */
-			if ( rs->sr_err != SLAPI_BIND_ANONYMOUS ) {
-				slapi_pblock_get( pb, SLAPI_CONN_DN, (void *)&op->oq_bind.rb_edn.bv_val );
-			}
-			rs->sr_err = dnPrettyNormal( NULL, &op->oq_bind.rb_edn, &op->o_req_dn, &op->o_req_ndn );
-			ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
-			op->o_conn->c_dn = op->o_req_dn;
-			op->o_conn->c_ndn = op->o_req_ndn;
-			op->o_req_dn.bv_val = NULL;
-			op->o_req_dn.bv_len = 0;
-			op->o_req_ndn.bv_val = NULL;
-			op->o_req_ndn.bv_len = 0;
-			if ( op->o_conn->c_dn.bv_len != 0 ) {
-				ber_len_t max = sockbuf_max_incoming_auth;
-				ber_sockbuf_ctrl( op->o_conn->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
-			}
-			/* log authorization identity */
-			Statslog( LDAP_DEBUG_STATS,
-				"conn=%lu op=%lu BIND dn=\"%s\" mech=simple (SLAPI) ssf=0\n",
-				op->o_connid, op->o_opid,
-				op->o_conn->c_dn.bv_val, 0, 0 );
-			ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
-		}
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, "do_bind: Bind preoperation plugin returned %d\n",
-				rs->sr_err, 0, 0);
-#else
-		Debug(LDAP_DEBUG_TRACE, "do_bind: Bind preoperation plugin returned %d.\n",
-				rs->sr_err, 0, 0);
-#endif
-		rs->sr_err = ldapRc;
-		goto cleanup;
-	}
-#endif /* defined( LDAP_SLAPI ) */
+	if( op->o_bd->be_bind ) {
+		op->o_conn->c_authz_cookie = NULL;
 
-	if ( op->o_bd->be_bind ) {
-		op->oq_bind.rb_method = method;
 		rs->sr_err = (op->o_bd->be_bind)( op, rs );
 
 		if ( rs->sr_err == 0 ) {
-			ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
-
-			if( op->o_conn->c_authz_backend == NULL ) {
-				op->o_conn->c_authz_backend = op->o_bd;
-			}
+			(void)fe_op_bind_success( op, rs );
 
-			if(op->oq_bind.rb_edn.bv_len) {
-				op->o_conn->c_dn = op->oq_bind.rb_edn;
-			} else {
-				op->o_conn->c_dn = op->o_req_dn;
-				op->o_req_dn.bv_val = NULL;
-				op->o_req_dn.bv_len = 0;
-			}
-
-			op->o_conn->c_ndn = op->o_req_ndn;
-			op->o_req_ndn.bv_val = NULL;
-			op->o_req_ndn.bv_len = 0;
-
-			if( op->o_conn->c_dn.bv_len != 0 ) {
-				ber_len_t max = sockbuf_max_incoming_auth;
-				ber_sockbuf_ctrl( op->o_conn->c_sb,
-					LBER_SB_OPT_SET_MAX_INCOMING, &max );
-			}
+		} else if ( !BER_BVISNULL( &op->orb_edn ) ) {
+			free( op->orb_edn.bv_val );
+			BER_BVZERO( &op->orb_edn );
+		}
 
-			/* log authorization identity */
-			Statslog( LDAP_DEBUG_STATS,
-				"conn=%lu op=%lu BIND dn=\"%s\" mech=simple ssf=0\n",
-				op->o_connid, op->o_opid,
-				op->o_conn->c_dn.bv_val, 0, 0 );
-
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, DETAIL1, 
-				"do_bind: v%d bind: \"%s\" to \"%s\" \n",
-				version, op->o_conn->c_dn.bv_val, op->o_conn->c_dn.bv_val );
-#else
-			Debug( LDAP_DEBUG_TRACE,
-				"do_bind: v%d bind: \"%s\" to \"%s\"\n",
-				version, dn.bv_val, op->o_conn->c_dn.bv_val );
-#endif
+	} else {
+		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+			"operation not supported within naming context" );
+	}
 
-			ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+cleanup:;
+	op->o_bd = bd;
+	return rs->sr_err;
+}
 
-			/* send this here to avoid a race condition */
-			send_ldap_result( op, rs );
+int
+fe_op_bind_success( Operation *op, SlapReply *rs )
+{
+	ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 
-		} else if (op->oq_bind.rb_edn.bv_val != NULL) {
-			free( op->oq_bind.rb_edn.bv_val );
-		}
+	if( op->o_conn->c_authz_backend == NULL ) {
+		op->o_conn->c_authz_backend = op->o_bd;
+	}
 
+	/* be_bind returns regular/global edn */
+	if( !BER_BVISEMPTY( &op->orb_edn ) ) {
+		op->o_conn->c_dn = op->orb_edn;
 	} else {
-		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
-			"operation not supported within namingContext" );
+		ber_dupbv(&op->o_conn->c_dn, &op->o_req_dn);
 	}
 
-#if defined( LDAP_SLAPI )
-	if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_BIND_FN, pb ) != 0 ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, "do_bind: Bind postoperation plugins failed\n",
-				0, 0, 0);
-#else
-		Debug(LDAP_DEBUG_TRACE, "do_bind: Bind postoperation plugins failed.\n",
-				0, 0, 0);
-#endif
+	ber_dupbv( &op->o_conn->c_ndn, &op->o_req_ndn );
+
+	/* op->o_conn->c_sb may be 0 for internal operations */
+	if( !BER_BVISEMPTY( &op->o_conn->c_dn ) && op->o_conn->c_sb != 0 ) {
+		ber_len_t max = sockbuf_max_incoming_auth;
+		ber_sockbuf_ctrl( op->o_conn->c_sb,
+			LBER_SB_OPT_SET_MAX_INCOMING, &max );
 	}
-#endif /* defined( LDAP_SLAPI ) */
 
-cleanup:
-	op->o_conn->c_sasl_bindop = NULL;
+	/* log authorization identity */
+	Statslog( LDAP_DEBUG_STATS,
+		"%s BIND dn=\"%s\" mech=%s ssf=0\n",
+		op->o_log_prefix,
+		op->o_conn->c_dn.bv_val, op->orb_mech.bv_val, 0, 0 );
 
-	if( op->o_req_dn.bv_val != NULL ) {
-		free( op->o_req_dn.bv_val );
-	}
-	if( op->o_req_ndn.bv_val != NULL ) {
-		free( op->o_req_ndn.bv_val );
-	}
+	Debug( LDAP_DEBUG_TRACE,
+		"do_bind: v%d bind: \"%s\" to \"%s\"\n",
+		op->o_protocol, op->o_req_dn.bv_val, op->o_conn->c_dn.bv_val );
 
-	return rs->sr_err;
+	ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+	/* send this here to avoid a race condition */
+	send_ldap_result( op, rs );
+
+	return LDAP_SUCCESS;
 }