X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fbind.c;h=646b72f657ceec50b444242951c51e4818898a6e;hb=b4e1ea15f3081a065318f5ee99336494c8765bca;hp=66a1adc521fdfcf9f86cd72e28324c6d9875345e;hpb=f52cc9bab51e427afa3ed5d28be012d8da27a7a8;p=openldap

diff --git a/servers/slapd/bind.c b/servers/slapd/bind.c
index 66a1adc521..646b72f657 100644
--- a/servers/slapd/bind.c
+++ b/servers/slapd/bind.c
@@ -1,7 +1,7 @@
 /* bind.c - decode an ldap bind operation and pass it to a backend db */
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -36,19 +36,19 @@ do_bind(
 	BerElement *ber = op->o_ber;
 	ber_int_t version;
 	ber_tag_t method;
-	char *mech = NULL;
+	struct berval mech = { 0, NULL };
 	struct berval dn = { 0, NULL };
 	struct berval pdn = { 0, NULL };
 	struct berval ndn = { 0, NULL };
+	struct berval edn = { 0, NULL };
 	ber_tag_t tag;
 	int	rc = LDAP_SUCCESS;
 	const char *text;
 	struct berval cred = { 0, NULL };
-	Backend *be;
+	Backend *be = NULL;
 
 #ifdef NEW_LOGGING
-	LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-		"do_bind: conn %d\n", conn->c_connid ));
+	LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", conn->c_connid, 0, 0 );
 #else
 	Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
 #endif
@@ -57,7 +57,9 @@ do_bind(
 	 * Force to connection to "anonymous" until bind succeeds.
 	 */
 	ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+	if ( conn->c_sasl_bind_in_progress ) be = conn->c_authz_backend;
 	connection2anonymous( conn );
+	if ( conn->c_sasl_bind_in_progress ) conn->c_authz_backend = be;
 	ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 
 	if ( op->o_dn.bv_val != NULL ) {
@@ -92,12 +94,12 @@ do_bind(
 	 *	}
 	 */
 
-	tag = ber_scanf( ber, "{iot" /*}*/, &version, &dn, &method );
+	tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
 
 	if ( tag == LBER_ERROR ) {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-			"do_bind: conn %d  ber_scanf failed\n", conn->c_connid ));
+		LDAP_LOG( OPERATION, ERR, 
+			"do_bind: conn %d  ber_scanf failed\n", conn->c_connid, 0, 0 );
 #else
 		Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
 #endif
@@ -110,17 +112,17 @@ do_bind(
 	op->o_protocol = version;
 
 	if( method != LDAP_AUTH_SASL ) {
-		tag = ber_scanf( ber, /*{*/ "o}", &cred );
+		tag = ber_scanf( ber, /*{*/ "m}", &cred );
 
 	} else {
-		tag = ber_scanf( ber, "{a" /*}*/, &mech );
+		tag = ber_scanf( ber, "{o" /*}*/, &mech );
 
 		if ( tag != LBER_ERROR ) {
 			ber_len_t len;
 			tag = ber_peek_tag( ber, &len );
 
 			if ( tag == LDAP_TAG_LDAPCRED ) { 
-				tag = ber_scanf( ber, "o", &cred );
+				tag = ber_scanf( ber, "m", &cred );
 			} else {
 				tag = LDAP_TAG_LDAPCRED;
 				cred.bv_val = NULL;
@@ -143,8 +145,8 @@ do_bind(
 
 	if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-			"do_bind: conn %d  get_ctrls failed\n", conn->c_connid ));
+		LDAP_LOG( OPERATION, INFO, 
+			"do_bind: conn %d  get_ctrls failed\n", conn->c_connid, 0, 0 );
 #else
 		Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
 #endif
@@ -154,9 +156,9 @@ do_bind(
 	rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
 	if ( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-			"do_bind: conn %d  invalid dn (%s)\n",
-			conn->c_connid, dn.bv_val ));
+		LDAP_LOG( OPERATION, INFO, 
+			"do_bind: conn %d  invalid dn (%s)\n", 
+			conn->c_connid, dn.bv_val, 0 );
 #else
 		Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
 			dn.bv_val, 0, 0 );
@@ -168,20 +170,19 @@ do_bind(
 
 	if( method == LDAP_AUTH_SASL ) {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation",	 LDAP_LEVEL_DETAIL1,
-			"do_sasl_bind: conn %d  dn (%s) mech %s\n", conn->c_connid,
-			pdn.bv_val, mech ));
+		LDAP_LOG( OPERATION,	 DETAIL1, 
+			"do_sasl_bind: conn %d  dn (%s) mech %s\n", 
+			conn->c_connid, pdn.bv_val, mech.bv_val );
 #else
 		Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
-			pdn.bv_val, mech, NULL );
+			pdn.bv_val, mech.bv_val, NULL );
 #endif
 
 	} else {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
-			"do_bind: conn %d  version=%ld dn=\"%s\" method=%ld\n",
-			conn->c_connid, (unsigned long) version,
-			pdn.bv_val, (unsigned long)method ));
+		LDAP_LOG( OPERATION, DETAIL1, 
+			"do_bind: version=%ld dn=\"%s\" method=%ld\n",
+			(unsigned long) version, pdn.bv_val, (unsigned long)method );
 #else
 		Debug( LDAP_DEBUG_TRACE,
 			"do_bind: version=%ld dn=\"%s\" method=%ld\n",
@@ -190,14 +191,14 @@ do_bind(
 #endif
 	}
 
-	Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d BIND dn=\"%s\" method=%ld\n",
+	Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
 	    op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
 
 	if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+		LDAP_LOG( OPERATION, INFO, 
 			"do_bind: conn %d  unknown version = %ld\n",
-			conn->c_connid, (unsigned long)version ));
+			conn->c_connid, (unsigned long)version, 0 );
 #else
 		Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
 			(unsigned long) version, 0, 0 );
@@ -221,15 +222,26 @@ do_bind(
 	conn->c_protocol = version;
 	ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 
+	/* check for inappropriate controls */
+	if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
+		send_ldap_result( conn, op,
+			rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+			NULL, "manageDSAit control inappropriate",
+			NULL, NULL );
+		goto cleanup;
+	}
+
+	/* Set the bindop for the benefit of in-directory SASL lookups */
+	conn->c_sasl_bindop = op;
+
 	if ( method == LDAP_AUTH_SASL ) {
-		char *edn;
 		slap_ssf_t ssf = 0;
 
 		if ( version < LDAP_VERSION3 ) {
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+			LDAP_LOG( OPERATION, INFO, 
 				"do_bind: conn %d  sasl with LDAPv%ld\n",
-				conn->c_connid, (unsigned long)version ));
+				conn->c_connid, (unsigned long)version , 0 );
 #else
 			Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
 				(unsigned long) version, 0, 0 );
@@ -240,11 +252,11 @@ do_bind(
 			goto cleanup;
 		}
 
-		if( mech == NULL || *mech == '\0' ) {
+		if( mech.bv_len == 0 ) {
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+			LDAP_LOG( OPERATION, INFO, 
 				   "do_bind: conn %d  no SASL mechanism provided\n",
-				   conn->c_connid ));
+				   conn->c_connid, 0, 0 );
 #else
 			Debug( LDAP_DEBUG_ANY,
 				"do_bind: no sasl mechanism provided\n",
@@ -256,7 +268,7 @@ do_bind(
 		}
 
 		/* check restrictions */
-		rc = backend_check_restrictions( NULL, conn, op, mech, &text );
+		rc = backend_check_restrictions( NULL, conn, op, &mech, &text );
 		if( rc != LDAP_SUCCESS ) {
 			send_ldap_result( conn, op, rc,
 				NULL, text, NULL, NULL );
@@ -265,30 +277,31 @@ do_bind(
 
 		ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 		if ( conn->c_sasl_bind_in_progress ) {
-			if((strcmp(conn->c_sasl_bind_mech, mech) != 0)) {
+			if( !bvmatch( &conn->c_sasl_bind_mech, &mech ) ) {
 				/* mechanism changed between bind steps */
 				slap_sasl_reset(conn);
 			}
 		} else {
 			conn->c_sasl_bind_mech = mech;
-			mech = NULL;
+			mech.bv_val = NULL;
+			mech.bv_len = 0;
 		}
 		ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 
-		edn = NULL;
 		rc = slap_sasl_bind( conn, op,
 			&pdn, &ndn,
 			&cred, &edn, &ssf );
 
 		ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 		if( rc == LDAP_SUCCESS ) {
-			conn->c_dn.bv_val = edn;
-			if( edn != NULL ) {
-				conn->c_dn.bv_len = strlen( edn );
-				dnNormalize2( NULL, &conn->c_dn, &conn->c_ndn );
+			conn->c_dn = edn;
+			if( edn.bv_len != 0 ) {
+				/* edn is always normalized already */
+				ber_dupbv( &conn->c_ndn, &conn->c_dn );
 			}
 			conn->c_authmech = conn->c_sasl_bind_mech;
-			conn->c_sasl_bind_mech = NULL;
+			conn->c_sasl_bind_mech.bv_val = NULL;
+			conn->c_sasl_bind_mech.bv_len = 0;
 			conn->c_sasl_bind_in_progress = 0;
 
 			conn->c_sasl_ssf = ssf;
@@ -297,18 +310,29 @@ do_bind(
 			}
 
 			if( conn->c_dn.bv_len != 0 ) {
-				ber_len_t max = sockbuf_max_incoming;
+				ber_len_t max = sockbuf_max_incoming_auth;
 				ber_sockbuf_ctrl( conn->c_sb,
 					LBER_SB_OPT_SET_MAX_INCOMING, &max );
 			}
 
+#ifdef NEW_LOGGING
+			LDAP_LOG( OPERATION, DETAIL1, 
+				"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
+				conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
+#else
+			Debug( LDAP_DEBUG_TRACE,
+				"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
+				conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
+#endif
+
 		} else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
 			conn->c_sasl_bind_in_progress = 1;
 
 		} else {
-			if ( conn->c_sasl_bind_mech ) {
-				free( conn->c_sasl_bind_mech );
-				conn->c_sasl_bind_mech = NULL;
+			if ( conn->c_sasl_bind_mech.bv_val ) {
+				free( conn->c_sasl_bind_mech.bv_val );
+				conn->c_sasl_bind_mech.bv_val = NULL;
+				conn->c_sasl_bind_mech.bv_len = 0;
 			}
 			conn->c_sasl_bind_in_progress = 0;
 		}
@@ -320,9 +344,10 @@ do_bind(
 		/* Not SASL, cancel any in-progress bind */
 		ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 
-		if ( conn->c_sasl_bind_mech != NULL ) {
-			free(conn->c_sasl_bind_mech);
-			conn->c_sasl_bind_mech = NULL;
+		if ( conn->c_sasl_bind_mech.bv_val != NULL ) {
+			free(conn->c_sasl_bind_mech.bv_val);
+			conn->c_sasl_bind_mech.bv_val = NULL;
+			conn->c_sasl_bind_mech.bv_len = 0;
 		}
 		conn->c_sasl_bind_in_progress = 0;
 
@@ -355,7 +380,8 @@ do_bind(
 				text = "anonymous bind disallowed";
 
 			} else {
-				rc = backend_check_restrictions( NULL, conn, op, mech, &text );
+				rc = backend_check_restrictions( NULL, conn, op,
+					&mech, &text );
 			}
 
 			/*
@@ -365,9 +391,9 @@ do_bind(
 			send_ldap_result( conn, op, rc,
 				NULL, text, NULL, NULL );
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+			LDAP_LOG( OPERATION, DETAIL1, 
 				   "do_bind: conn %d  v%d anonymous bind\n",
-				   conn->c_connid, version ));
+				   conn->c_connid, version , 0 );
 #else
 			Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
 				version, 0, 0 );
@@ -382,13 +408,34 @@ do_bind(
 			send_ldap_result( conn, op, rc,
 				NULL, text, NULL, NULL );
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+			LDAP_LOG( OPERATION, INFO, 
 				   "do_bind: conn %d  v%d simple bind(%s) disallowed\n",
-				   conn->c_connid, version, ndn.bv_val ));
+				   conn->c_connid, version, ndn.bv_val );
 #else
 			Debug( LDAP_DEBUG_TRACE,
 				"do_bind: v%d simple bind(%s) disallowed\n",
 				version, ndn.bv_val, 0 );
+#endif
+			goto cleanup;
+
+		} else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
+			&& ( op->o_ssf < global_ssf_set.sss_ssf ))
+		{
+			rc = LDAP_CONFIDENTIALITY_REQUIRED;
+			text = "unwilling to perform simple authentication "
+				"without confidentilty protection";
+
+			send_ldap_result( conn, op, rc,
+				NULL, text, NULL, NULL );
+
+#ifdef NEW_LOGGING
+			LDAP_LOG( OPERATION, INFO, "do_bind: conn %d  "
+				"v%d unprotected simple bind(%s) disallowed\n",
+				conn->c_connid, version, ndn.bv_val );
+#else
+			Debug( LDAP_DEBUG_TRACE,
+				"do_bind: v%d unprotected simple bind(%s) disallowed\n",
+				version, ndn.bv_val, 0 );
 #endif
 			goto cleanup;
 		}
@@ -403,9 +450,9 @@ do_bind(
 			send_ldap_result( conn, op, rc,
 				NULL, text, NULL, NULL );
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+			LDAP_LOG( OPERATION, DETAIL1, 
 				   "do_bind: conn %d  v%d Kerberos V4 bind\n",
-				   conn->c_connid, version ));
+				   conn->c_connid, version , 0 );
 #else
 			Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
 				version, 0, 0 );
@@ -421,9 +468,9 @@ do_bind(
 		send_ldap_result( conn, op, rc,
 			NULL, text, NULL, NULL );
 #ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+		LDAP_LOG( OPERATION, INFO, 
 			   "do_bind: conn %ld  v%d unknown authentication method (%ld)\n",
-			   conn->c_connid, version, method ));
+			   conn->c_connid, version, method );
 #else
 		Debug( LDAP_DEBUG_TRACE,
 			"do_bind: v%d unknown authentication method (%ld)\n",
@@ -440,13 +487,13 @@ do_bind(
 
 	if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
 		if ( default_referral ) {
-			BVarray ref = referral_rewrite( default_referral,
+			BerVarray ref = referral_rewrite( default_referral,
 				NULL, &pdn, LDAP_SCOPE_DEFAULT );
 
 			send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 				NULL, NULL, ref ? ref : default_referral, NULL );
 
-			bvarray_free( ref );
+			ber_bvarray_free( ref );
 
 		} else {
 			/* noSuchObject is not allowed to be returned by bind */
@@ -465,12 +512,8 @@ do_bind(
 		goto cleanup;
 	}
 
-	conn->c_authz_backend = be;
-
 	if ( be->be_bind ) {
 		int ret;
-		/* alias suffix */
-		struct berval edn = { 0, NULL };
 
 		/* deref suffix alias if appropriate */
 		suffix_alias( be, &ndn );
@@ -481,33 +524,36 @@ do_bind(
 		if ( ret == 0 ) {
 			ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 
+			if( conn->c_authz_backend == NULL ) {
+				conn->c_authz_backend = be;
+			}
+
 			if(edn.bv_len) {
 				conn->c_dn = edn;
 			} else {
-				ber_dupbv( &conn->c_dn, &pdn );
+				conn->c_dn = pdn;
+				pdn.bv_val = NULL;
+				pdn.bv_len = 0;
 			}
-			conn->c_cdn = pdn.bv_val;
-			pdn.bv_val = NULL;
-			pdn.bv_len = 0;
 
 			conn->c_ndn = ndn;
 			ndn.bv_val = NULL;
 			ndn.bv_len = 0;
 
 			if( conn->c_dn.bv_len != 0 ) {
-				ber_len_t max = sockbuf_max_incoming;
+				ber_len_t max = sockbuf_max_incoming_auth;
 				ber_sockbuf_ctrl( conn->c_sb,
 					LBER_SB_OPT_SET_MAX_INCOMING, &max );
 			}
 
 #ifdef NEW_LOGGING
-			LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
-				"do_bind: conn %d  v%d bind: \"%s\" to \"%s\" \n",
-				conn->c_connid, version, conn->c_cdn, conn->c_dn.bv_val ));
+			LDAP_LOG( OPERATION, DETAIL1, 
+				"do_bind: v%d bind: \"%s\" to \"%s\" \n",
+				version, conn->c_dn.bv_val, conn->c_dn.bv_val );
 #else
 			Debug( LDAP_DEBUG_TRACE,
 				"do_bind: v%d bind: \"%s\" to \"%s\"\n",
-				version, conn->c_cdn, conn->c_dn.bv_val );
+				version, dn.bv_val, conn->c_dn.bv_val );
 #endif
 
 			ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
@@ -527,18 +573,16 @@ do_bind(
 	}
 
 cleanup:
-	free( dn.bv_val );
+	conn->c_sasl_bindop = NULL;
+
 	if( pdn.bv_val != NULL ) {
 		free( pdn.bv_val );
 	}
 	if( ndn.bv_val != NULL ) {
 		free( ndn.bv_val );
 	}
-	if ( mech != NULL ) {
-		free( mech );
-	}
-	if ( cred.bv_val != NULL ) {
-		free( cred.bv_val );
+	if ( mech.bv_val != NULL ) {
+		free( mech.bv_val );
 	}
 
 	return rc;