X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fschema.c;h=4fd83bc4bd182bbd95ba5eb69c4014bca89fd0c4;hb=70092b38fb23b9141a2b8414fb5a9c5200f3c12d;hp=0871386060167c9ae233f1614bde05176d017061;hpb=c8e37af0ca8302c276e8c6af84eca4f926171261;p=openldap

diff --git a/libraries/libldap/schema.c b/libraries/libldap/schema.c
index 0871386060..4fd83bc4bd 100644
--- a/libraries/libldap/schema.c
+++ b/libraries/libldap/schema.c
@@ -1,7 +1,9 @@
+/* $OpenLDAP$ */
 /*
- * Copyright 1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1999-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- *
+ */
+/*
  * schema.c:  parsing routines used by servers and clients to process
  *	schema definitions
  */
@@ -11,7 +13,6 @@
 #include <stdio.h>
 #include <ac/stdlib.h>
 
-#include <ac/ctype.h>
 #include <ac/string.h>
 #include <ac/time.h>
 
@@ -19,6 +20,43 @@
 
 #include <ldap_schema.h>
 
+static const char *
+choose_name( char *names[], const char *fallback )
+{
+	return( (names != NULL && names[0] != NULL) ? names[0] : fallback );
+}
+
+LDAP_CONST char *
+ldap_syntax2name( LDAPSyntax * syn )
+{
+	return( syn->syn_oid );
+}
+
+LDAP_CONST char *
+ldap_matchingrule2name( LDAPMatchingRule * mr )
+{
+	return( choose_name( mr->mr_names, mr->mr_oid ) );
+}
+
+LDAP_CONST char *
+ldap_matchingruleuse2name( LDAPMatchingRuleUse * mru )
+{
+	return( choose_name( mru->mru_names, mru->mru_oid ) );
+}
+
+LDAP_CONST char *
+ldap_attributetype2name( LDAPAttributeType * at )
+{
+	return( choose_name( at->at_names, at->at_oid ) );
+}
+
+LDAP_CONST char *
+ldap_objectclass2name( LDAPObjectClass * oc )
+{
+	return( choose_name( oc->oc_names, oc->oc_oid ) );
+}
+
+
 /*
  * When pretty printing the entities we will be appending to a buffer.
  * Since checking for overflow, realloc'ing and checking if no error
@@ -72,6 +110,17 @@ safe_string_val(safe_string * ss)
 	return(ss->val);
 }
 
+static char *
+safe_strdup(safe_string * ss)
+{
+	char *ret = LDAP_MALLOC(ss->pos+1);
+	if (!ret)
+		return NULL;
+	AC_MEMCPY(ret, ss->val, ss->pos);
+	ret[ss->pos] = '\0';
+	return ret;
+}
+
 static int
 append_to_safe_string(safe_string * ss, char * s)
 {
@@ -88,6 +137,10 @@ append_to_safe_string(safe_string * ss, char * s)
 	/* We always make sure there is at least one position available */
 	if ( ss->pos + l >= ss->size-1 ) {
 		ss->size *= 2;
+		if ( ss->pos + l >= ss->size-1 ) {
+			ss->size = ss->pos + l + 1;
+		}
+
 		temp = LDAP_REALLOC(ss->val, ss->size);
 		if ( !temp ) {
 			/* Trouble, out of memory */
@@ -98,7 +151,7 @@ append_to_safe_string(safe_string * ss, char * s)
 	}
 	strncpy(&ss->val[ss->pos], s, l);
 	ss->pos += l;
-	if ( ss->pos > 0 && isspace(ss->val[ss->pos-1]) )
+	if ( ss->pos > 0 && LDAP_SPACE(ss->val[ss->pos-1]) )
 		ss->at_whsp = 1;
 	else
 		ss->at_whsp = 0;
@@ -178,9 +231,9 @@ print_qdescrs(safe_string *ss, char **sa)
 	 */
 	if ( !sa[0] || ( sa[0] && sa[1] ) ) {
 		print_whsp(ss);
-		print_literal(ss,"(");
+		print_literal(ss,"("/*)*/);
 		print_qdescrlist(ss,sa);
-		print_literal(ss,")");
+		print_literal(ss,/*(*/")");
 		return(print_whsp(ss));
 	} else {
 	  return(print_qdescr(ss,*sa));
@@ -211,10 +264,10 @@ static int
 print_oids(safe_string *ss, char **sa)
 {
 	if ( sa[0] && sa[1] ) {
-		print_literal(ss,"(");
+		print_literal(ss,"("/*)*/);
 		print_oidlist(ss,sa);
 		print_whsp(ss);
-		return(print_literal(ss,")"));
+		return(print_literal(ss,/*(*/")"));
 	} else {
 		return(print_woid(ss,*sa));
 	}
@@ -234,17 +287,45 @@ print_noidlen(safe_string *ss, char *s, int l)
 	return(ret);
 }
 
+static int
+print_extensions(safe_string *ss, LDAPSchemaExtensionItem **extensions)
+{
+	LDAPSchemaExtensionItem **ext;
+
+	if ( extensions ) {
+		print_whsp(ss);
+		for ( ext = extensions; *ext != NULL; ext++ ) {
+			print_literal(ss, (*ext)->lsei_name);
+			print_whsp(ss);
+			/* Should be print_qdstrings */
+			print_qdescrs(ss, (*ext)->lsei_values);
+			print_whsp(ss);
+		}
+	}
+
+	return 0;
+}
+
 char *
-ldap_syntax2str( const LDAP_SYNTAX * syn )
+ldap_syntax2str( LDAPSyntax * syn )
+{
+	struct berval bv;
+	if (ldap_syntax2bv( syn, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_syntax2bv( LDAPSyntax * syn, struct berval *bv )
 {
 	safe_string * ss;
-	char * retstring;
 	
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
 
-	print_literal(ss,"(");
+	print_literal(ss,"("/*)*/);
 	print_whsp(ss);
 
 	print_numericoid(ss, syn->syn_oid);
@@ -256,24 +337,37 @@ ldap_syntax2str( const LDAP_SYNTAX * syn )
 	}
 
 	print_whsp(ss);
-	print_literal(ss,")");
 
-	retstring = LDAP_STRDUP(safe_string_val(ss));
+	print_extensions(ss, syn->syn_extensions);
+
+	print_literal(ss,/*(*/ ")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
 	safe_string_free(ss);
-	return(retstring);
+	return(bv);
 }
 
 char *
-ldap_matchingrule2str( const LDAP_MATCHING_RULE * mr )
+ldap_matchingrule2str( LDAPMatchingRule * mr )
+{
+	struct berval bv;
+	if (ldap_matchingrule2bv( mr, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_matchingrule2bv( LDAPMatchingRule * mr, struct berval *bv )
 {
 	safe_string * ss;
-	char * retstring;
 	
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
 
-	print_literal(ss,"(");
+	print_literal(ss,"(" /*)*/);
 	print_whsp(ss);
 
 	print_numericoid(ss, mr->mr_oid);
@@ -302,24 +396,96 @@ ldap_matchingrule2str( const LDAP_MATCHING_RULE * mr )
 	}
 
 	print_whsp(ss);
-	print_literal(ss,")");
 
-	retstring = LDAP_STRDUP(safe_string_val(ss));
+	print_extensions(ss, mr->mr_extensions);
+
+	print_literal(ss,/*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
 	safe_string_free(ss);
-	return(retstring);
+	return(bv);
 }
 
 char *
-ldap_objectclass2str( const LDAP_OBJECT_CLASS * oc )
+ldap_matchingruleuse2str( LDAPMatchingRuleUse * mru )
+{
+	struct berval bv;
+	if (ldap_matchingruleuse2bv( mru, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_matchingruleuse2bv( LDAPMatchingRuleUse * mru, struct berval *bv )
 {
 	safe_string * ss;
-	char * retstring;
 	
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
 
-	print_literal(ss,"(");
+	print_literal(ss,"(" /*)*/);
+	print_whsp(ss);
+
+	print_numericoid(ss, mru->mru_oid);
+	print_whsp(ss);
+
+	if ( mru->mru_names ) {
+		print_literal(ss,"NAME");
+		print_qdescrs(ss,mru->mru_names);
+	}
+
+	if ( mru->mru_desc ) {
+		print_literal(ss,"DESC");
+		print_qdstring(ss,mru->mru_desc);
+	}
+
+	if ( mru->mru_obsolete == LDAP_SCHEMA_YES ) {
+		print_literal(ss, "OBSOLETE");
+		print_whsp(ss);
+	}
+
+	if ( mru->mru_applies_oids ) {
+		print_literal(ss,"APPLIES");
+		print_whsp(ss);
+		print_oids(ss, mru->mru_applies_oids);
+		print_whsp(ss);
+	}
+
+	print_whsp(ss);
+
+	print_extensions(ss, mru->mru_extensions);
+
+	print_literal(ss,/*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
+	safe_string_free(ss);
+	return(bv);
+}
+
+char *
+ldap_objectclass2str( LDAPObjectClass * oc )
+{
+	struct berval bv;
+	if (ldap_objectclass2bv( oc, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_objectclass2bv( LDAPObjectClass * oc, struct berval *bv )
+{
+	safe_string * ss;
+	
+	ss = new_safe_string(256);
+	if ( !ss )
+		return NULL;
+
+	print_literal(ss,"("/*)*/);
 	print_whsp(ss);
 
 	print_numericoid(ss, oc->oc_oid);
@@ -378,24 +544,37 @@ ldap_objectclass2str( const LDAP_OBJECT_CLASS * oc )
 	}
 
 	print_whsp(ss);
-	print_literal(ss,")");
 
-	retstring = LDAP_STRDUP(safe_string_val(ss));
+	print_extensions(ss, oc->oc_extensions);
+
+	print_literal(ss, /*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
 	safe_string_free(ss);
-	return(retstring);
+	return(bv);
 }
 
 char *
-ldap_attributetype2str( const LDAP_ATTRIBUTE_TYPE * at )
+ldap_attributetype2str( LDAPAttributeType * at )
+{
+	struct berval bv;
+	if (ldap_attributetype2bv( at, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_attributetype2bv(  LDAPAttributeType * at, struct berval *bv )
 {
 	safe_string * ss;
-	char * retstring;
 	
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
 
-	print_literal(ss,"(");
+	print_literal(ss,"("/*)*/);
 	print_whsp(ss);
 
 	print_numericoid(ss, at->at_oid);
@@ -478,11 +657,15 @@ ldap_attributetype2str( const LDAP_ATTRIBUTE_TYPE * at )
 	}
 	
 	print_whsp(ss);
-	print_literal(ss,")");
 
-	retstring = LDAP_STRDUP(safe_string_val(ss));
+	print_extensions(ss, at->at_extensions);
+
+	print_literal(ss,/*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
 	safe_string_free(ss);
-	return(retstring);
+	return(bv);
 }
 
 /*
@@ -524,7 +707,7 @@ struct token {
 };
 
 static int
-get_token(const char ** sp, char ** token_val)
+get_token( const char ** sp, char ** token_val )
 {
 	int kind;
 	const char * p;
@@ -573,7 +756,7 @@ get_token(const char ** sp, char ** token_val)
 	default:
 		kind = TK_BAREWORD;
 		p = *sp;
-		while ( !isspace(**sp) &&
+		while ( !LDAP_SPACE(**sp) &&
 			**sp != '(' &&
 			**sp != ')' &&
 			**sp != '$' &&
@@ -601,7 +784,7 @@ get_token(const char ** sp, char ** token_val)
 static void
 parse_whsp(const char **sp)
 {
-	while (isspace(**sp))
+	while (LDAP_SPACE(**sp))
 		(*sp)++;
 }
 
@@ -614,23 +797,23 @@ parse_whsp(const char **sp)
  */
 
 /* Parse a sequence of dot-separated decimal strings */
-static char *
-parse_numericoid(const char **sp, int *code, const int allow_quoted)
+char *
+ldap_int_parse_numericoid(const char **sp, int *code, const int flags)
 {
-	char * res;
+	char * res = NULL;
 	const char * start = *sp;
 	int len;
 	int quoted = 0;
 
 	/* Netscape puts the SYNTAX value in quotes (incorrectly) */
-	if ( allow_quoted && **sp == '\'' ) {
+	if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && **sp == '\'' ) {
 		quoted = 1;
 		(*sp)++;
 		start++;
 	}
 	/* Each iteration of this loop gets one decimal string */
 	while (**sp) {
-		if ( !isdigit(**sp) ) {
+		if ( !LDAP_DIGIT(**sp) ) {
 			/*
 			 * Initial char is not a digit or char after dot is
 			 * not a digit
@@ -639,7 +822,7 @@ parse_numericoid(const char **sp, int *code, const int allow_quoted)
 			return NULL;
 		}
 		(*sp)++;
-		while ( isdigit(**sp) )
+		while ( LDAP_DIGIT(**sp) )
 			(*sp)++;
 		if ( **sp != '.' )
 			break;
@@ -648,22 +831,25 @@ parse_numericoid(const char **sp, int *code, const int allow_quoted)
 	}
 	/* Now *sp points at the char past the numericoid. Perfect. */
 	len = *sp - start;
-	res = LDAP_MALLOC(len+1);
-	if (!res) {
-		*code = LDAP_SCHERR_OUTOFMEM;
-		return(NULL);
-	}
-	strncpy(res,start,len);
-	res[len] = '\0';
-	if ( allow_quoted && quoted ) {
+	if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && quoted ) {
 		if ( **sp == '\'' ) {
 			(*sp)++;
 		} else {
 			*code = LDAP_SCHERR_UNEXPTOKEN;
-			LDAP_FREE(res);
 			return NULL;
 		}
 	}
+	if (flags & LDAP_SCHEMA_SKIP) {
+		res = (char *)start;
+	} else {
+		res = LDAP_MALLOC(len+1);
+		if (!res) {
+			*code = LDAP_SCHERR_OUTOFMEM;
+			return(NULL);
+		}
+		strncpy(res,start,len);
+		res[len] = '\0';
+	}
 	return(res);
 }
 
@@ -767,16 +953,16 @@ parse_noidlen(const char **sp, int *code, int *len, int allow_quoted)
 		quoted = 1;
 		(*sp)++;
 	}
-	sval = parse_numericoid(sp, code, 0);
+	sval = ldap_int_parse_numericoid(sp, code, 0);
 	if ( !sval ) {
 		return NULL;
 	}
-	if ( **sp == '{' ) {
+	if ( **sp == '{' /*}*/ ) {
 		(*sp)++;
 		*len = atoi(*sp);
-		while ( isdigit(**sp) )
+		while ( LDAP_DIGIT(**sp) )
 			(*sp)++;
-		if ( **sp != '}' ) {
+		if ( **sp != /*{*/ '}' ) {
 			*code = LDAP_SCHERR_UNEXPTOKEN;
 			LDAP_FREE(sval);
 			return NULL;
@@ -902,23 +1088,77 @@ parse_oids(const char **sp, int *code, const int allow_quoted)
 	}
 }
 
+static int
+add_extension(LDAPSchemaExtensionItem ***extensions,
+	      char * name, char ** values)
+{
+	int n;
+	LDAPSchemaExtensionItem **tmp, *ext;
+
+	ext = LDAP_CALLOC(1, sizeof(LDAPSchemaExtensionItem));
+	if ( !ext )
+		return 1;
+	ext->lsei_name = name;
+	ext->lsei_values = values;
+
+	if ( !*extensions ) {
+		*extensions =
+		  LDAP_CALLOC(2, sizeof(LDAPSchemaExtensionItem *));
+		if ( !*extensions )
+		  return 1;
+		n = 0;
+	} else {
+		for ( n=0; (*extensions)[n] != NULL; n++ )
+	  		;
+		tmp = LDAP_REALLOC(*extensions,
+				   (n+2)*sizeof(LDAPSchemaExtensionItem *));
+		if ( !tmp )
+			return 1;
+		*extensions = tmp;
+	}
+	(*extensions)[n] = ext;
+	(*extensions)[n+1] = NULL;
+	return 0;
+}
+
+static void
+free_extensions(LDAPSchemaExtensionItem **extensions)
+{
+	LDAPSchemaExtensionItem **ext;
+
+	if ( extensions ) {
+		for ( ext = extensions; *ext != NULL; ext++ ) {
+			LDAP_FREE((*ext)->lsei_name);
+			LDAP_VFREE((*ext)->lsei_values);
+			LDAP_FREE(*ext);
+		}
+		LDAP_FREE(extensions);
+	}
+}
+
 void
-ldap_syntax_free( LDAP_SYNTAX * syn )
+ldap_syntax_free( LDAPSyntax * syn )
 {
 	LDAP_FREE(syn->syn_oid);
-	LDAP_FREE(syn->syn_desc);
+	if (syn->syn_names) LDAP_VFREE(syn->syn_names);
+	if (syn->syn_desc) LDAP_FREE(syn->syn_desc);
+	free_extensions(syn->syn_extensions);
 	LDAP_FREE(syn);
 }
 
-LDAP_SYNTAX *
-ldap_str2syntax( const char * s, int * code, const char ** errp )
+LDAPSyntax *
+ldap_str2syntax( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST int flags )
 {
 	int kind;
 	const char * ss = s;
 	char * sval;
+	int seen_name = 0;
 	int seen_desc = 0;
-	LDAP_SYNTAX * syn;
-	char ** ssdummy;
+	LDAPSyntax * syn;
+	char ** ext_vals;
 
 	if ( !s ) {
 		*code = LDAP_SCHERR_EMPTY;
@@ -927,7 +1167,7 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
 	}
 
 	*errp = s;
-	syn = LDAP_CALLOC(1,sizeof(LDAP_SYNTAX));
+	syn = LDAP_CALLOC(1,sizeof(LDAPSyntax));
 
 	if ( !syn ) {
 		*code = LDAP_SCHERR_OUTOFMEM;
@@ -943,7 +1183,7 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
 	}
 
 	parse_whsp(&ss);
-	syn->syn_oid = parse_numericoid(&ss,code,0);
+	syn->syn_oid = ldap_int_parse_numericoid(&ss,code,0);
 	if ( !syn->syn_oid ) {
 		*errp = ss;
 		ldap_syntax_free(syn);
@@ -966,7 +1206,24 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
 		case TK_RIGHTPAREN:
 			return syn;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"DESC") ) {
+			if ( !strcmp(sval,"NAME") ) {
+				LDAP_FREE(sval);
+				if ( seen_name ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_syntax_free(syn);
+					return(NULL);
+				}
+				seen_name = 1;
+				syn->syn_names = parse_qdescrs(&ss,code);
+				if ( !syn->syn_names ) {
+					if ( *code != LDAP_SCHERR_OUTOFMEM )
+						*code = LDAP_SCHERR_BADNAME;
+					*errp = ss;
+					ldap_syntax_free(syn);
+					return NULL;
+				}
+			} else if ( !strcmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -987,11 +1244,18 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
 				syn->syn_desc = sval;
 				parse_whsp(&ss);
 			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
-				LDAP_FREE(sval);
 				/* Should be parse_qdstrings */
-				ssdummy = parse_qdescrs(&ss, code);
-				if ( !ssdummy ) {
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_syntax_free(syn);
+					return NULL;
+				}
+				if ( add_extension(&syn->syn_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
 					*errp = ss;
+					LDAP_FREE(sval);
 					ldap_syntax_free(syn);
 					return NULL;
 				}
@@ -1014,28 +1278,31 @@ ldap_str2syntax( const char * s, int * code, const char ** errp )
 }
 
 void
-ldap_matchingrule_free( LDAP_MATCHING_RULE * mr )
+ldap_matchingrule_free( LDAPMatchingRule * mr )
 {
 	LDAP_FREE(mr->mr_oid);
-	LDAP_VFREE(mr->mr_names);
-	LDAP_FREE(mr->mr_desc);
-	LDAP_FREE(mr->mr_syntax_oid);
+	if (mr->mr_names) LDAP_VFREE(mr->mr_names);
+	if (mr->mr_desc) LDAP_FREE(mr->mr_desc);
+	if (mr->mr_syntax_oid) LDAP_FREE(mr->mr_syntax_oid);
+	free_extensions(mr->mr_extensions);
 	LDAP_FREE(mr);
 }
 
-LDAP_MATCHING_RULE *
-ldap_str2matchingrule( const char * s, int * code, const char ** errp )
+LDAPMatchingRule *
+ldap_str2matchingrule( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST int flags )
 {
 	int kind;
 	const char * ss = s;
 	char * sval;
-	int be_liberal = 1;	/* Future additional argument */
 	int seen_name = 0;
 	int seen_desc = 0;
 	int seen_obsolete = 0;
 	int seen_syntax = 0;
-	LDAP_MATCHING_RULE * mr;
-	char ** ssdummy;
+	LDAPMatchingRule * mr;
+	char ** ext_vals;
 	const char * savepos;
 
 	if ( !s ) {
@@ -1045,7 +1312,7 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
 	}
 
 	*errp = s;
-	mr = LDAP_CALLOC(1,sizeof(LDAP_MATCHING_RULE));
+	mr = LDAP_CALLOC(1,sizeof(LDAPMatchingRule));
 
 	if ( !mr ) {
 		*code = LDAP_SCHERR_OUTOFMEM;
@@ -1062,9 +1329,9 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
 
 	parse_whsp(&ss);
 	savepos = ss;
-	mr->mr_oid = parse_numericoid(&ss,code,be_liberal);
+	mr->mr_oid = ldap_int_parse_numericoid(&ss,code,flags);
 	if ( !mr->mr_oid ) {
-		if ( be_liberal ) {
+		if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
 			/* Backtracking */
 			ss = savepos;
 			kind = get_token(&ss,&sval);
@@ -1163,7 +1430,7 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
 				seen_syntax = 1;
 				parse_whsp(&ss);
 				mr->mr_syntax_oid =
-					parse_numericoid(&ss,code,be_liberal);
+					ldap_int_parse_numericoid(&ss,code,flags);
 				if ( !mr->mr_syntax_oid ) {
 					*errp = ss;
 					ldap_matchingrule_free(mr);
@@ -1171,11 +1438,18 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
 				}
 				parse_whsp(&ss);
 			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
-				LDAP_FREE(sval);
 				/* Should be parse_qdstrings */
-				ssdummy = parse_qdescrs(&ss, code);
-				if ( !ssdummy ) {
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_matchingrule_free(mr);
+					return NULL;
+				}
+				if ( add_extension(&mr->mr_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
 					*errp = ss;
+					LDAP_FREE(sval);
 					ldap_matchingrule_free(mr);
 					return NULL;
 				}
@@ -1198,26 +1472,222 @@ ldap_str2matchingrule( const char * s, int * code, const char ** errp )
 }
 
 void
-ldap_attributetype_free(LDAP_ATTRIBUTE_TYPE * at)
+ldap_matchingruleuse_free( LDAPMatchingRuleUse * mru )
+{
+	LDAP_FREE(mru->mru_oid);
+	if (mru->mru_names) LDAP_VFREE(mru->mru_names);
+	if (mru->mru_desc) LDAP_FREE(mru->mru_desc);
+	if (mru->mru_applies_oids) LDAP_VFREE(mru->mru_applies_oids);
+	free_extensions(mru->mru_extensions);
+	LDAP_FREE(mru);
+}
+
+LDAPMatchingRuleUse *
+ldap_str2matchingruleuse( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST int flags )
+{
+	int kind;
+	const char * ss = s;
+	char * sval;
+	int seen_name = 0;
+	int seen_desc = 0;
+	int seen_obsolete = 0;
+	int seen_applies = 0;
+	LDAPMatchingRuleUse * mru;
+	char ** ext_vals;
+	const char * savepos;
+
+	if ( !s ) {
+		*code = LDAP_SCHERR_EMPTY;
+		*errp = "";
+		return NULL;
+	}
+
+	*errp = s;
+	mru = LDAP_CALLOC(1,sizeof(LDAPMatchingRuleUse));
+
+	if ( !mru ) {
+		*code = LDAP_SCHERR_OUTOFMEM;
+		return NULL;
+	}
+
+	kind = get_token(&ss,&sval);
+	if ( kind != TK_LEFTPAREN ) {
+		*code = LDAP_SCHERR_NOLEFTPAREN;
+		LDAP_FREE(sval);
+		ldap_matchingruleuse_free(mru);
+		return NULL;
+	}
+
+	parse_whsp(&ss);
+	savepos = ss;
+	mru->mru_oid = ldap_int_parse_numericoid(&ss,code,flags);
+	if ( !mru->mru_oid ) {
+		if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
+			/* Backtracking */
+			ss = savepos;
+			kind = get_token(&ss,&sval);
+			if ( kind == TK_BAREWORD ) {
+				if ( !strcmp(sval, "NAME") ||
+				     !strcmp(sval, "DESC") ||
+				     !strcmp(sval, "OBSOLETE") ||
+				     !strcmp(sval, "APPLIES") ||
+				     !strncmp(sval, "X-", 2) ) {
+					/* Missing OID, backtrack */
+					ss = savepos;
+				} else {
+					/* Non-numerical OID, ignore */
+				}
+			}
+			LDAP_FREE(sval);
+		} else {
+			*errp = ss;
+			ldap_matchingruleuse_free(mru);
+			return NULL;
+		}
+	}
+	parse_whsp(&ss);
+
+	/*
+	 * Beyond this point we will be liberal and accept the items
+	 * in any order.
+	 */
+	while (1) {
+		kind = get_token(&ss,&sval);
+		switch (kind) {
+		case TK_EOS:
+			*code = LDAP_SCHERR_NORIGHTPAREN;
+			*errp = ss;
+			ldap_matchingruleuse_free(mru);
+			return NULL;
+		case TK_RIGHTPAREN:
+			return mru;
+		case TK_BAREWORD:
+			if ( !strcmp(sval,"NAME") ) {
+				LDAP_FREE(sval);
+				if ( seen_name ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return(NULL);
+				}
+				seen_name = 1;
+				mru->mru_names = parse_qdescrs(&ss,code);
+				if ( !mru->mru_names ) {
+					if ( *code != LDAP_SCHERR_OUTOFMEM )
+						*code = LDAP_SCHERR_BADNAME;
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return NULL;
+				}
+			} else if ( !strcmp(sval,"DESC") ) {
+				LDAP_FREE(sval);
+				if ( seen_desc ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return(NULL);
+				}
+				seen_desc = 1;
+				parse_whsp(&ss);
+				kind = get_token(&ss,&sval);
+				if ( kind != TK_QDSTRING ) {
+					*code = LDAP_SCHERR_UNEXPTOKEN;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_matchingruleuse_free(mru);
+					return NULL;
+				}
+				mru->mru_desc = sval;
+				parse_whsp(&ss);
+			} else if ( !strcmp(sval,"OBSOLETE") ) {
+				LDAP_FREE(sval);
+				if ( seen_obsolete ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return(NULL);
+				}
+				seen_obsolete = 1;
+				mru->mru_obsolete = LDAP_SCHEMA_YES;
+				parse_whsp(&ss);
+			} else if ( !strcmp(sval,"APPLIES") ) {
+				LDAP_FREE(sval);
+				if ( seen_applies ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return(NULL);
+				}
+				seen_applies = 1;
+				mru->mru_applies_oids = parse_oids(&ss,
+							     code,
+							     flags);
+				if ( !mru->mru_applies_oids ) {
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return NULL;
+				}
+			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
+				/* Should be parse_qdstrings */
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_matchingruleuse_free(mru);
+					return NULL;
+				}
+				if ( add_extension(&mru->mru_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_matchingruleuse_free(mru);
+					return NULL;
+				}
+			} else {
+				*code = LDAP_SCHERR_UNEXPTOKEN;
+				*errp = ss;
+				LDAP_FREE(sval);
+				ldap_matchingruleuse_free(mru);
+				return NULL;
+			}
+			break;
+		default:
+			*code = LDAP_SCHERR_UNEXPTOKEN;
+			*errp = ss;
+			LDAP_FREE(sval);
+			ldap_matchingruleuse_free(mru);
+			return NULL;
+		}
+	}
+}
+
+void
+ldap_attributetype_free(LDAPAttributeType * at)
 {
 	LDAP_FREE(at->at_oid);
-	LDAP_VFREE(at->at_names);
-	LDAP_FREE(at->at_desc);
-	LDAP_FREE(at->at_sup_oid);
-	LDAP_FREE(at->at_equality_oid);
-	LDAP_FREE(at->at_ordering_oid);
-	LDAP_FREE(at->at_substr_oid);
-	LDAP_FREE(at->at_syntax_oid);
+	if (at->at_names) LDAP_VFREE(at->at_names);
+	if (at->at_desc) LDAP_FREE(at->at_desc);
+	if (at->at_sup_oid) LDAP_FREE(at->at_sup_oid);
+	if (at->at_equality_oid) LDAP_FREE(at->at_equality_oid);
+	if (at->at_ordering_oid) LDAP_FREE(at->at_ordering_oid);
+	if (at->at_substr_oid) LDAP_FREE(at->at_substr_oid);
+	if (at->at_syntax_oid) LDAP_FREE(at->at_syntax_oid);
+	free_extensions(at->at_extensions);
 	LDAP_FREE(at);
 }
 
-LDAP_ATTRIBUTE_TYPE *
-ldap_str2attributetype( const char * s, int * code, const char ** errp )
+LDAPAttributeType *
+ldap_str2attributetype( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST int flags )
 {
 	int kind;
 	const char * ss = s;
 	char * sval;
-	int be_liberal = 1;	/* Future additional argument */
 	int seen_name = 0;
 	int seen_desc = 0;
 	int seen_obsolete = 0;
@@ -1227,11 +1697,8 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 	int seen_substr = 0;
 	int seen_syntax = 0;
 	int seen_usage = 0;
-	int seen_kind = 0;
-	int seen_must = 0;
-	int seen_may = 0;
-	LDAP_ATTRIBUTE_TYPE * at;
-	char ** ssdummy;
+	LDAPAttributeType * at;
+	char ** ext_vals;
 	const char * savepos;
 
 	if ( !s ) {
@@ -1241,7 +1708,7 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 	}
 
 	*errp = s;
-	at = LDAP_CALLOC(1,sizeof(LDAP_ATTRIBUTE_TYPE));
+	at = LDAP_CALLOC(1,sizeof(LDAPAttributeType));
 
 	if ( !at ) {
 		*code = LDAP_SCHERR_OUTOFMEM;
@@ -1265,9 +1732,11 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 	 */
 	parse_whsp(&ss);
 	savepos = ss;
-	at->at_oid = parse_numericoid(&ss,code,0);
+	at->at_oid = ldap_int_parse_numericoid(&ss,code,0);
 	if ( !at->at_oid ) {
-		if ( be_liberal ) {
+		if ( ( flags & ( LDAP_SCHEMA_ALLOW_NO_OID
+				| LDAP_SCHEMA_ALLOW_OID_MACRO ) )
+			    && (ss == savepos) ) {
 			/* Backtracking */
 			ss = savepos;
 			kind = get_token(&ss,&sval);
@@ -1287,8 +1756,13 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 				     !strncmp(sval, "X-", 2) ) {
 					/* Missing OID, backtrack */
 					ss = savepos;
-				} else {
-					/* Non-numerical OID, ignore */
+				} else if ( flags
+					& LDAP_SCHEMA_ALLOW_OID_MACRO) {
+					/* Non-numerical OID ... */
+					int len = ss-savepos;
+					at->at_oid = LDAP_MALLOC(len+1);
+					strncpy(at->at_oid, savepos, len);
+					at->at_oid[len] = 0;
 				}
 			}
 			LDAP_FREE(sval);
@@ -1433,15 +1907,38 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 				}
 				seen_syntax = 1;
 				parse_whsp(&ss);
+				savepos = ss;
 				at->at_syntax_oid =
 					parse_noidlen(&ss,
 						      code,
 						      &at->at_syntax_len,
-						      be_liberal);
+						      flags);
 				if ( !at->at_syntax_oid ) {
+				    if ( flags & LDAP_SCHEMA_ALLOW_OID_MACRO ) {
+					kind = get_token(&ss,&sval);
+					if (kind == TK_BAREWORD)
+					{
+					    char *sp = strchr(sval, '{');
+					    at->at_syntax_oid = sval;
+					    if (sp)
+					    {
+						*sp++ = 0;
+					    	at->at_syntax_len = atoi(sp);
+						while ( LDAP_DIGIT(*sp) )
+							sp++;
+						if ( *sp != '}' ) {
+						    *code = LDAP_SCHERR_UNEXPTOKEN;
+						    *errp = ss;
+						    ldap_attributetype_free(at);
+						    return NULL;
+						}
+					    }
+					}
+				    } else {
 					*errp = ss;
 					ldap_attributetype_free(at);
 					return NULL;
+				    }
 				}
 				parse_whsp(&ss);
 			} else if ( !strcmp(sval,"SINGLE-VALUE") ) {
@@ -1514,11 +2011,18 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 				LDAP_FREE(sval);
 				parse_whsp(&ss);
 			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
-				LDAP_FREE(sval);
 				/* Should be parse_qdstrings */
-				ssdummy = parse_qdescrs(&ss, code);
-				if ( !ssdummy ) {
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_attributetype_free(at);
+					return NULL;
+				}
+				if ( add_extension(&at->at_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
 					*errp = ss;
+					LDAP_FREE(sval);
 					ldap_attributetype_free(at);
 					return NULL;
 				}
@@ -1541,24 +2045,27 @@ ldap_str2attributetype( const char * s, int * code, const char ** errp )
 }
 
 void
-ldap_objectclass_free(LDAP_OBJECT_CLASS * oc)
+ldap_objectclass_free(LDAPObjectClass * oc)
 {
 	LDAP_FREE(oc->oc_oid);
-	LDAP_VFREE(oc->oc_names);
-	LDAP_FREE(oc->oc_desc);
-	LDAP_VFREE(oc->oc_sup_oids);
-	LDAP_VFREE(oc->oc_at_oids_must);
-	LDAP_VFREE(oc->oc_at_oids_may);
+	if (oc->oc_names) LDAP_VFREE(oc->oc_names);
+	if (oc->oc_desc) LDAP_FREE(oc->oc_desc);
+	if (oc->oc_sup_oids) LDAP_VFREE(oc->oc_sup_oids);
+	if (oc->oc_at_oids_must) LDAP_VFREE(oc->oc_at_oids_must);
+	if (oc->oc_at_oids_may) LDAP_VFREE(oc->oc_at_oids_may);
+	free_extensions(oc->oc_extensions);
 	LDAP_FREE(oc);
 }
 
-LDAP_OBJECT_CLASS *
-ldap_str2objectclass( const char * s, int * code, const char ** errp )
+LDAPObjectClass *
+ldap_str2objectclass( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST int flags )
 {
 	int kind;
 	const char * ss = s;
 	char * sval;
-	int be_liberal = 1;	/* Future additional argument */
 	int seen_name = 0;
 	int seen_desc = 0;
 	int seen_obsolete = 0;
@@ -1566,8 +2073,8 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 	int seen_kind = 0;
 	int seen_must = 0;
 	int seen_may = 0;
-	LDAP_OBJECT_CLASS * oc;
-	char ** ssdummy;
+	LDAPObjectClass * oc;
+	char ** ext_vals;
 	const char * savepos;
 
 	if ( !s ) {
@@ -1577,12 +2084,13 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 	}
 
 	*errp = s;
-	oc = LDAP_CALLOC(1,sizeof(LDAP_OBJECT_CLASS));
+	oc = LDAP_CALLOC(1,sizeof(LDAPObjectClass));
 
 	if ( !oc ) {
 		*code = LDAP_SCHERR_OUTOFMEM;
 		return NULL;
 	}
+	oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
 
 	kind = get_token(&ss,&sval);
 	if ( kind != TK_LEFTPAREN ) {
@@ -1601,9 +2109,9 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 	 */
 	parse_whsp(&ss);
 	savepos = ss;
-	oc->oc_oid = parse_numericoid(&ss,code,0);
+	oc->oc_oid = ldap_int_parse_numericoid(&ss,code,0);
 	if ( !oc->oc_oid ) {
-		if ( be_liberal ) {
+		if ( (flags & LDAP_SCHEMA_ALLOW_ALL) && (ss == savepos) ) {
 			/* Backtracking */
 			ss = savepos;
 			kind = get_token(&ss,&sval);
@@ -1619,8 +2127,13 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 				     !strncmp(sval, "X-", 2) ) {
 					/* Missing OID, backtrack */
 					ss = savepos;
-				} else {
+				} else if ( flags &
+					LDAP_SCHEMA_ALLOW_OID_MACRO ) {
 					/* Non-numerical OID, ignore */
+					int len = ss-savepos;
+					oc->oc_oid = LDAP_MALLOC(len+1);
+					strncpy(oc->oc_oid, savepos, len);
+					oc->oc_oid[len] = 0;
 				}
 			}
 			LDAP_FREE(sval);
@@ -1706,7 +2219,7 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 				seen_sup = 1;
 				oc->oc_sup_oids = parse_oids(&ss,
 							     code,
-							     be_liberal);
+							     flags);
 				if ( !oc->oc_sup_oids ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
@@ -1778,14 +2291,21 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 				}
 				parse_whsp(&ss);
 			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
-				LDAP_FREE(sval);
 				/* Should be parse_qdstrings */
-				ssdummy = parse_qdescrs(&ss, code);
-				if ( !ssdummy ) {
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
 					return NULL;
 				}
+				if ( add_extension(&oc->oc_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_objectclass_free(oc);
+					return NULL;
+				}
 			} else {
 				*code = LDAP_SCHERR_UNEXPTOKEN;
 				*errp = ss;
@@ -1804,8 +2324,8 @@ ldap_str2objectclass( const char * s, int * code, const char ** errp )
 	}
 }
 
-static char *err2text[] = {
-	"",
+static char *const err2text[] = {
+	"Success",
 	"Out of memory",
 	"Unexpected token",
 	"Missing opening parenthesis",
@@ -1821,7 +2341,7 @@ static char *err2text[] = {
 char *
 ldap_scherr2str(int code)
 {
-	if ( code < 1 || code >= (sizeof(err2text)/sizeof(char *)) ) {
+	if ( code < 0 || code >= (int)(sizeof(err2text)/sizeof(char *)) ) {
 		return "Unknown error";
 	} else {
 		return err2text[code];