X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsyntax.c;h=a298871a6217520e47455aa281ea1c1d0cf9355b;hb=5fcc9285fb8c549a5264921a2b61cfc40803d720;hp=6fd2a73e3b532022cf77296c300fece47892010d;hpb=52402fa75285aa6cdad55bf8918a4ba30062f4bf;p=openldap

diff --git a/servers/slapd/syntax.c b/servers/slapd/syntax.c
index 6fd2a73e3b..a298871a62 100644
--- a/servers/slapd/syntax.c
+++ b/servers/slapd/syntax.c
@@ -1,8 +1,17 @@
 /* syntax.c - routines to manage syntax definitions */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2000 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>.
  */
 
 #include "portable.h"
@@ -14,8 +23,6 @@
 #include <ac/socket.h>
 
 #include "slap.h"
-#include "ldap_pvt.h"
-
 
 struct sindexrec {
 	char		*sir_name;
@@ -23,24 +30,29 @@ struct sindexrec {
 };
 
 static Avlnode	*syn_index = NULL;
-static Syntax *syn_list = NULL;
+static LDAP_STAILQ_HEAD(SyntaxList, Syntax) syn_list
+	= LDAP_STAILQ_HEAD_INITIALIZER(syn_list);
+
+/* Last hardcoded attribute registered */
+Syntax *syn_sys_tail;
 
 static int
 syn_index_cmp(
-    struct sindexrec	*sir1,
-    struct sindexrec	*sir2
+	const void *v_sir1,
+	const void *v_sir2
 )
 {
+	const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
 	return (strcmp( sir1->sir_name, sir2->sir_name ));
 }
 
 static int
 syn_index_name_cmp(
-    char 		*name,
-    struct sindexrec	*sir
+	const void *name,
+	const void *sir
 )
 {
-	return (strcmp( name, sir->sir_name ));
+	return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
 }
 
 Syntax *
@@ -48,8 +60,7 @@ syn_find( const char *synname )
 {
 	struct sindexrec	*sir = NULL;
 
-	if ( (sir = (struct sindexrec *) avl_find( syn_index, synname,
-            (AVL_CMP) syn_index_name_cmp )) != NULL ) {
+	if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
 		return( sir->sir_syn );
 	}
 	return( NULL );
@@ -60,129 +71,270 @@ syn_find_desc( const char *syndesc, int *len )
 {
 	Syntax		*synp;
 
-	for (synp = syn_list; synp; synp = synp->ssyn_next)
-		if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{')))
+	LDAP_STAILQ_FOREACH(synp, &syn_list, ssyn_next) {
+		if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
 			return synp;
+		}
+	}
 	return( NULL );
 }
 
+int
+syn_is_sup( Syntax *syn, Syntax *sup )
+{
+	int	i;
+
+	assert( syn != NULL );
+	assert( sup != NULL );
+
+	if ( syn == sup ) {
+		return 1;
+	}
+
+	if ( syn->ssyn_sups == NULL ) {
+		return 0;
+	}
+
+	for ( i = 0; syn->ssyn_sups[i]; i++ ) {
+		if ( syn->ssyn_sups[i] == sup ) {
+			return 1;
+		}
+
+		if ( syn_is_sup( syn->ssyn_sups[i], sup ) ) {
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+void
+syn_destroy( void )
+{
+	Syntax	*s;
+
+	avl_free( syn_index, ldap_memfree );
+	while( !LDAP_STAILQ_EMPTY( &syn_list ) ) {
+		s = LDAP_STAILQ_FIRST( &syn_list );
+		LDAP_STAILQ_REMOVE_HEAD( &syn_list, ssyn_next );
+		if ( s->ssyn_sups ) {
+			SLAP_FREE( s->ssyn_sups );
+		}
+		ldap_syntax_free( (LDAPSyntax *)s );
+	}
+}
+
 static int
 syn_insert(
-    Syntax		*ssyn,
-    const char		**err
-)
+	Syntax		*ssyn,
+	Syntax		*prev,
+	const char	**err )
 {
-	Syntax		**synp;
 	struct sindexrec	*sir;
 
-	synp = &syn_list;
-	while ( *synp != NULL ) {
-		synp = &(*synp)->ssyn_next;
-	}
-	*synp = ssyn;
-
+	LDAP_STAILQ_NEXT( ssyn, ssyn_next ) = NULL;
+ 
 	if ( ssyn->ssyn_oid ) {
 		sir = (struct sindexrec *)
-			ch_calloc( 1, sizeof(struct sindexrec) );
+			SLAP_CALLOC( 1, sizeof(struct sindexrec) );
+		if( sir == NULL ) {
+			Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
+			return LDAP_OTHER;
+		}
 		sir->sir_name = ssyn->ssyn_oid;
 		sir->sir_syn = ssyn;
 		if ( avl_insert( &syn_index, (caddr_t) sir,
-				 (AVL_CMP) syn_index_cmp,
-				 (AVL_DUP) avl_dup_error ) ) {
+		                 syn_index_cmp, avl_dup_error ) ) {
 			*err = ssyn->ssyn_oid;
 			ldap_memfree(sir);
-			return SLAP_SCHERR_DUP_SYNTAX;
+			return SLAP_SCHERR_SYN_DUP;
 		}
 		/* FIX: temporal consistency check */
 		syn_find(sir->sir_name);
 	}
+
+	if ( ssyn->ssyn_flags & SLAP_AT_HARDCODE ) {
+		prev = syn_sys_tail;
+		syn_sys_tail = ssyn;
+	}
+
+	if ( prev ) {
+		LDAP_STAILQ_INSERT_AFTER( &syn_list, prev, ssyn, ssyn_next );
+	} else {
+		LDAP_STAILQ_INSERT_TAIL( &syn_list, ssyn, ssyn_next );
+	}
 	return 0;
 }
 
 int
 syn_add(
-    LDAPSyntax		*syn,
-	unsigned flags,
-    slap_syntax_validate_func	*validate,
-    slap_syntax_transform_func	*normalize,
-    slap_syntax_transform_func	*pretty,
-#ifdef SLAPD_BINARY_CONVERSION
-    slap_syntax_transform_func	*ber2str,
-    slap_syntax_transform_func	*str2ber,
-#endif
-    const char		**err
-)
+	LDAPSyntax		*syn,
+	int			user,
+	slap_syntax_defs_rec	*def,
+	Syntax			**ssynp,
+	Syntax			*prev,
+	const char		**err )
 {
 	Syntax		*ssyn;
-	int		code;
+	int		code = 0;
 
-	ssyn = (Syntax *) ch_calloc( 1, sizeof(Syntax) );
+	if ( ssynp != NULL ) {
+		*ssynp = NULL;
+	}
+
+	ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
+	if ( ssyn == NULL ) {
+		Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
+		return SLAP_SCHERR_OUTOFMEM;
+	}
 
 	AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
 
-	ssyn->ssyn_next = NULL;
+	LDAP_STAILQ_NEXT(ssyn,ssyn_next) = NULL;
 
-	ssyn->ssyn_flags = flags;
-	ssyn->ssyn_validate = validate;
-	ssyn->ssyn_normalize = normalize;
-	ssyn->ssyn_pretty = pretty;
+	/*
+	 * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
+	 * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
+	 */
+	ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
+	ssyn->ssyn_oidlen = strlen(syn->syn_oid);
+	ssyn->ssyn_flags = def->sd_flags;
+	ssyn->ssyn_validate = def->sd_validate;
+	ssyn->ssyn_pretty = def->sd_pretty;
+
+	ssyn->ssyn_sups = NULL;
 
 #ifdef SLAPD_BINARY_CONVERSION
-	ssyn->ssyn_ber2str = ber2str;
-	ssyn->ssyn_str2ber = str2ber;
+	ssyn->ssyn_ber2str = def->sd_ber2str;
+	ssyn->ssyn_str2ber = def->sd_str2ber;
 #endif
 
-	code = syn_insert(ssyn, err);
+	if ( def->sd_validate == NULL && def->sd_pretty == NULL && syn->syn_extensions != NULL ) {
+		LDAPSchemaExtensionItem **lsei;
+		Syntax *subst = NULL;
+
+		for ( lsei = syn->syn_extensions; *lsei != NULL; lsei++) {
+			if ( strcmp( (*lsei)->lsei_name, "X-SUBST" ) != 0 ) {
+				continue;
+			}
+
+			assert( (*lsei)->lsei_values != NULL );
+			if ( (*lsei)->lsei_values[0] == '\0'
+				|| (*lsei)->lsei_values[1] != '\0' )
+			{
+				Debug( LDAP_DEBUG_ANY, "syn_add(%s): exactly one substitute syntax must be present\n",
+					ssyn->ssyn_syn.syn_oid, 0, 0 );
+				return SLAP_SCHERR_SYN_SUBST_NOT_SPECIFIED;
+			}
+
+			subst = syn_find( (*lsei)->lsei_values[0] );
+			if ( subst == NULL ) {
+				Debug( LDAP_DEBUG_ANY, "syn_add(%s): substitute syntax %s not found\n",
+					ssyn->ssyn_syn.syn_oid, (*lsei)->lsei_values[0], 0 );
+				return SLAP_SCHERR_SYN_SUBST_NOT_FOUND;
+			}
+			break;
+		}
+
+		if ( subst != NULL ) {
+			ssyn->ssyn_flags = subst->ssyn_flags;
+			ssyn->ssyn_validate = subst->ssyn_validate;
+			ssyn->ssyn_pretty = subst->ssyn_pretty;
+
+			ssyn->ssyn_sups = NULL;
+
+#ifdef SLAPD_BINARY_CONVERSION
+			ssyn->ssyn_ber2str = subst->ssyn_ber2str;
+			ssyn->ssyn_str2ber = subst->ssyn_str2ber;
+#endif
+		}
+	}
+
+	if ( def->sd_sups != NULL ) {
+		int	cnt;
+
+		for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ )
+			;
+		
+		ssyn->ssyn_sups = (Syntax **)SLAP_CALLOC( cnt + 1,
+			sizeof( Syntax * ) );
+		if ( ssyn->ssyn_sups == NULL ) {
+			Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
+			code = SLAP_SCHERR_OUTOFMEM;
+
+		} else {
+			for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ ) {
+				ssyn->ssyn_sups[cnt] = syn_find( def->sd_sups[cnt] );
+				if ( ssyn->ssyn_sups[cnt] == NULL ) {
+					*err = def->sd_sups[cnt];
+					code = SLAP_SCHERR_SYN_SUP_NOT_FOUND;
+				}
+			}
+		}
+	}
+
+	if ( !user )
+		ssyn->ssyn_flags |= SLAP_SYNTAX_HARDCODE;
+
+	if ( code == 0 ) {
+		code = syn_insert( ssyn, prev, err );
+	}
+
+	if ( code != 0 && ssyn != NULL ) {
+		if ( ssyn->ssyn_sups != NULL ) {
+			SLAP_FREE( ssyn->ssyn_sups );
+		}
+		SLAP_FREE( ssyn );
+		ssyn = NULL;
+	}
+
+	if (ssynp ) {
+		*ssynp = ssyn;
+	}
+
 	return code;
 }
 
 int
 register_syntax(
-	char * desc,
-	unsigned flags,
-	slap_syntax_validate_func *validate,
-	slap_syntax_transform_func *normalize,
-	slap_syntax_transform_func *pretty )
+	slap_syntax_defs_rec *def )
 {
 	LDAPSyntax	*syn;
 	int		code;
 	const char	*err;
 
-	syn = ldap_str2syntax( desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
+	syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
 	if ( !syn ) {
 		Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
-		    ldap_scherr2str(code), err, desc );
+		    ldap_scherr2str(code), err, def->sd_desc );
+
 		return( -1 );
 	}
 
-	code = syn_add( syn, flags, validate, normalize, pretty, &err );
-
-	ldap_memfree( syn );
+	code = syn_add( syn, 0, def, NULL, NULL, &err );
 
 	if ( code ) {
 		Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
-		    scherr2str(code), err, desc );
+		    scherr2str(code), err, def->sd_desc );
+		ldap_syntax_free( syn );
+
 		return( -1 );
 	}
 
+	ldap_memfree( syn );
+
 	return( 0 );
 }
 
-#if defined( SLAPD_SCHEMA_DN )
-
 int
 syn_schema_info( Entry *e )
 {
-	struct berval	val;
-	struct berval	*vals[2];
-	Syntax		*syn;
-
 	AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
+	Syntax		*syn;
+	struct berval	val;
+	struct berval	nval;
 
-	vals[0] = &val;
-	vals[1] = NULL;
-
-	for ( syn = syn_list; syn; syn = syn->ssyn_next ) {
+	LDAP_STAILQ_FOREACH(syn, &syn_list, ssyn_next ) {
 		if ( ! syn->ssyn_validate ) {
 			/* skip syntaxes without validators */
 			continue;
@@ -192,19 +344,112 @@ syn_schema_info( Entry *e )
 			continue;
 		}
 
-		val.bv_val = ldap_syntax2str( &syn->ssyn_syn );
-		if ( val.bv_val == NULL ) {
+		if ( ldap_syntax2bv( &syn->ssyn_syn, &val ) == NULL ) {
 			return -1;
 		}
-		val.bv_len = strlen( val.bv_val );
 #if 0
 		Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
 	       (long) val.bv_len, val.bv_val, 0 );
 #endif
-		attr_merge( e, ad_ldapSyntaxes, vals );
+
+		nval.bv_val = syn->ssyn_oid;
+		nval.bv_len = strlen(syn->ssyn_oid);
+
+		if( attr_merge_one( e, ad_ldapSyntaxes, &val, &nval ) )
+		{
+			return -1;
+		}
 		ldap_memfree( val.bv_val );
 	}
 	return 0;
 }
 
+void
+syn_delete( Syntax *syn )
+{
+	LDAP_STAILQ_REMOVE(&syn_list, syn, Syntax, ssyn_next);
+}
+
+int
+syn_start( Syntax **syn )
+{
+	assert( syn != NULL );
+
+	*syn = LDAP_STAILQ_FIRST(&syn_list);
+
+	return (*syn != NULL);
+}
+
+int
+syn_next( Syntax **syn )
+{
+	assert( syn != NULL );
+
+#if 0	/* pedantic check: don't use this */
+	{
+		Syntax *tmp = NULL;
+
+		LDAP_STAILQ_FOREACH(tmp,&syn_list,ssyn_next) {
+			if ( tmp == *syn ) {
+				break;
+			}
+		}
+
+		assert( tmp != NULL );
+	}
 #endif
+
+	*syn = LDAP_STAILQ_NEXT(*syn,ssyn_next);
+
+	return (*syn != NULL);
+}
+
+void
+syn_unparse( BerVarray *res, Syntax *start, Syntax *end, int sys )
+{
+	Syntax *syn;
+	int i, num;
+	struct berval bv, *bva = NULL, idx;
+	char ibuf[32];
+
+	if ( !start )
+		start = LDAP_STAILQ_FIRST( &syn_list );
+
+	/* count the result size */
+	i = 0;
+	for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
+		if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
+		i++;
+		if ( syn == end ) break;
+	}
+	if ( !i ) return;
+
+	num = i;
+	bva = ch_malloc( (num+1) * sizeof(struct berval) );
+	BER_BVZERO( bva );
+	idx.bv_val = ibuf;
+	if ( sys ) {
+		idx.bv_len = 0;
+		ibuf[0] = '\0';
+	}
+	i = 0;
+	for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
+		if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
+		if ( ldap_syntax2bv( &syn->ssyn_syn, &bv ) == NULL ) {
+			ber_bvarray_free( bva );
+		}
+		if ( !sys ) {
+			idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
+		}
+		bva[i].bv_len = idx.bv_len + bv.bv_len;
+		bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
+		strcpy( bva[i].bv_val, ibuf );
+		strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
+		i++;
+		bva[i].bv_val = NULL;
+		ldap_memfree( bv.bv_val );
+		if ( syn == end ) break;
+	}
+	*res = bva;
+}
+