X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fschema.c;h=ffa37332025211ac40b18ea3e2a012698fbe36e9;hb=2e4580beaa358299ecb6bc8b920e40dfc373e969;hp=783c6127fc4fd272434db1c770a5a7e97ef149e5;hpb=0e2af54a3ffdeebe3901370683be56fcc53023b0;p=openldap

diff --git a/libraries/libldap/schema.c b/libraries/libldap/schema.c
index 783c6127fc..ffa3733202 100644
--- a/libraries/libldap/schema.c
+++ b/libraries/libldap/schema.c
@@ -1,8 +1,18 @@
 /* $OpenLDAP$ */
-/*
- * Copyright 1999-2002 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>.
  */
+
 /*
  * schema.c:  parsing routines used by servers and clients to process
  *	schema definitions
@@ -20,42 +30,69 @@
 
 #include <ldap_schema.h>
 
+static const char EndOfInput[] = "end of input";
+
 static const char *
 choose_name( char *names[], const char *fallback )
 {
-	return( (names != NULL && names[0] != NULL) ? names[0] : fallback );
+	return (names != NULL && names[0] != NULL) ? names[0] : fallback;
 }
 
 LDAP_CONST char *
 ldap_syntax2name( LDAPSyntax * syn )
 {
+	if (!syn) return NULL;
 	return( syn->syn_oid );
 }
 
 LDAP_CONST char *
 ldap_matchingrule2name( LDAPMatchingRule * mr )
 {
+	if (!mr) return NULL;
 	return( choose_name( mr->mr_names, mr->mr_oid ) );
 }
 
 LDAP_CONST char *
 ldap_matchingruleuse2name( LDAPMatchingRuleUse * mru )
 {
+	if (!mru) return NULL;
 	return( choose_name( mru->mru_names, mru->mru_oid ) );
 }
 
 LDAP_CONST char *
 ldap_attributetype2name( LDAPAttributeType * at )
 {
+	if (!at) return NULL;
 	return( choose_name( at->at_names, at->at_oid ) );
 }
 
 LDAP_CONST char *
 ldap_objectclass2name( LDAPObjectClass * oc )
 {
+	if (!oc) return NULL;
 	return( choose_name( oc->oc_names, oc->oc_oid ) );
 }
 
+LDAP_CONST char *
+ldap_contentrule2name( LDAPContentRule * cr )
+{
+	if (!cr) return NULL;
+	return( choose_name( cr->cr_names, cr->cr_oid ) );
+}
+
+LDAP_CONST char *
+ldap_nameform2name( LDAPNameForm * nf )
+{
+	if (!nf) return NULL;
+	return( choose_name( nf->nf_names, nf->nf_oid ) );
+}
+
+LDAP_CONST char *
+ldap_structurerule2name( LDAPStructureRule * sr )
+{
+	if (!sr) return NULL;
+	return( choose_name( sr->sr_names, NULL ) );
+}
 
 /*
  * When pretty printing the entities we will be appending to a buffer.
@@ -103,12 +140,14 @@ safe_string_free(safe_string * ss)
 	LDAP_FREE(ss);
 }
 
+#if 0	/* unused */
 static char *
 safe_string_val(safe_string * ss)
 {
 	ss->val[ss->pos] = '\0';
 	return(ss->val);
 }
+#endif
 
 static char *
 safe_strdup(safe_string * ss)
@@ -281,12 +320,40 @@ print_noidlen(safe_string *ss, char *s, int l)
 
 	ret = print_numericoid(ss,s);
 	if ( l ) {
-		sprintf(buf,"{%d}",l);
+		snprintf(buf, sizeof buf, "{%d}",l);
 		ret = print_literal(ss,buf);
 	}
 	return(ret);
 }
 
+static int
+print_ruleid(safe_string *ss, int rid)
+{
+	char buf[64];
+	snprintf(buf, sizeof buf, "%d", rid);
+	return print_literal(ss,buf);
+}
+
+static int
+print_ruleids(safe_string *ss, int n, int *rids)
+{
+	int i;
+
+	if( n == 1 ) {
+		print_ruleid(ss,rids[0]);
+		return print_whsp(ss);
+	} else {
+		print_literal(ss,"("/*)*/);
+		for( i=0; i<n; i++ ) {
+			print_whsp(ss);
+			print_ruleid(ss,rids[i]);
+		}
+		print_whsp(ss);
+		return print_literal(ss,/*(*/")");
+	}
+}
+
+
 static int
 print_extensions(safe_string *ss, LDAPSchemaExtensionItem **extensions)
 {
@@ -320,7 +387,10 @@ struct berval *
 ldap_syntax2bv( LDAPSyntax * syn, struct berval *bv )
 {
 	safe_string * ss;
-	
+
+	if ( !syn || !bv )
+		return NULL;
+
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
@@ -362,7 +432,10 @@ struct berval *
 ldap_matchingrule2bv( LDAPMatchingRule * mr, struct berval *bv )
 {
 	safe_string * ss;
-	
+
+	if ( !mr || !bv )
+		return NULL;
+
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
@@ -383,7 +456,7 @@ ldap_matchingrule2bv( LDAPMatchingRule * mr, struct berval *bv )
 		print_qdstring(ss,mr->mr_desc);
 	}
 
-	if ( mr->mr_obsolete == LDAP_SCHEMA_YES ) {
+	if ( mr->mr_obsolete ) {
 		print_literal(ss, "OBSOLETE");
 		print_whsp(ss);
 	}
@@ -421,7 +494,10 @@ struct berval *
 ldap_matchingruleuse2bv( LDAPMatchingRuleUse * mru, struct berval *bv )
 {
 	safe_string * ss;
-	
+
+	if ( !mru || !bv )
+		return NULL;
+
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
@@ -442,7 +518,7 @@ ldap_matchingruleuse2bv( LDAPMatchingRuleUse * mru, struct berval *bv )
 		print_qdstring(ss,mru->mru_desc);
 	}
 
-	if ( mru->mru_obsolete == LDAP_SCHEMA_YES ) {
+	if ( mru->mru_obsolete ) {
 		print_literal(ss, "OBSOLETE");
 		print_whsp(ss);
 	}
@@ -480,7 +556,10 @@ struct berval *
 ldap_objectclass2bv( LDAPObjectClass * oc, struct berval *bv )
 {
 	safe_string * ss;
-	
+
+	if ( !oc || !bv )
+		return NULL;
+
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
@@ -501,7 +580,7 @@ ldap_objectclass2bv( LDAPObjectClass * oc, struct berval *bv )
 		print_qdstring(ss,oc->oc_desc);
 	}
 
-	if ( oc->oc_obsolete == LDAP_SCHEMA_YES ) {
+	if ( oc->oc_obsolete ) {
 		print_literal(ss, "OBSOLETE");
 		print_whsp(ss);
 	}
@@ -555,6 +634,227 @@ ldap_objectclass2bv( LDAPObjectClass * oc, struct berval *bv )
 	return(bv);
 }
 
+char *
+ldap_contentrule2str( LDAPContentRule * cr )
+{
+	struct berval bv;
+	if (ldap_contentrule2bv( cr, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_contentrule2bv( LDAPContentRule * cr, struct berval *bv )
+{
+	safe_string * ss;
+
+	if ( !cr || !bv )
+		return NULL;
+
+	ss = new_safe_string(256);
+	if ( !ss )
+		return NULL;
+
+	print_literal(ss,"("/*)*/);
+	print_whsp(ss);
+
+	print_numericoid(ss, cr->cr_oid);
+	print_whsp(ss);
+
+	if ( cr->cr_names ) {
+		print_literal(ss,"NAME");
+		print_qdescrs(ss,cr->cr_names);
+	}
+
+	if ( cr->cr_desc ) {
+		print_literal(ss,"DESC");
+		print_qdstring(ss,cr->cr_desc);
+	}
+
+	if ( cr->cr_obsolete ) {
+		print_literal(ss, "OBSOLETE");
+		print_whsp(ss);
+	}
+
+	if ( cr->cr_oc_oids_aux ) {
+		print_literal(ss,"AUX");
+		print_whsp(ss);
+		print_oids(ss,cr->cr_oc_oids_aux);
+		print_whsp(ss);
+	}
+
+	if ( cr->cr_at_oids_must ) {
+		print_literal(ss,"MUST");
+		print_whsp(ss);
+		print_oids(ss,cr->cr_at_oids_must);
+		print_whsp(ss);
+	}
+
+	if ( cr->cr_at_oids_may ) {
+		print_literal(ss,"MAY");
+		print_whsp(ss);
+		print_oids(ss,cr->cr_at_oids_may);
+		print_whsp(ss);
+	}
+
+	if ( cr->cr_at_oids_not ) {
+		print_literal(ss,"NOT");
+		print_whsp(ss);
+		print_oids(ss,cr->cr_at_oids_not);
+		print_whsp(ss);
+	}
+
+	print_whsp(ss);
+	print_extensions(ss, cr->cr_extensions);
+
+	print_literal(ss, /*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
+	safe_string_free(ss);
+	return(bv);
+}
+
+char *
+ldap_structurerule2str( LDAPStructureRule * sr )
+{
+	struct berval bv;
+	if (ldap_structurerule2bv( sr, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_structurerule2bv( LDAPStructureRule * sr, struct berval *bv )
+{
+	safe_string * ss;
+
+	if ( !sr || !bv )
+		return NULL;
+
+	ss = new_safe_string(256);
+	if ( !ss )
+		return NULL;
+
+	print_literal(ss,"("/*)*/);
+	print_whsp(ss);
+
+	print_ruleid(ss, sr->sr_ruleid);
+	print_whsp(ss);
+
+	if ( sr->sr_names ) {
+		print_literal(ss,"NAME");
+		print_qdescrs(ss,sr->sr_names);
+	}
+
+	if ( sr->sr_desc ) {
+		print_literal(ss,"DESC");
+		print_qdstring(ss,sr->sr_desc);
+	}
+
+	if ( sr->sr_obsolete ) {
+		print_literal(ss, "OBSOLETE");
+		print_whsp(ss);
+	}
+
+	print_literal(ss,"FORM");
+	print_whsp(ss);
+	print_woid(ss,sr->sr_nameform);
+	print_whsp(ss);
+
+	if ( sr->sr_nsup_ruleids ) {
+		print_literal(ss,"SUP");
+		print_whsp(ss);
+		print_ruleids(ss,sr->sr_nsup_ruleids,sr->sr_sup_ruleids);
+		print_whsp(ss);
+	}
+
+	print_whsp(ss);
+	print_extensions(ss, sr->sr_extensions);
+
+	print_literal(ss, /*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
+	safe_string_free(ss);
+	return(bv);
+}
+
+
+char *
+ldap_nameform2str( LDAPNameForm * nf )
+{
+	struct berval bv;
+	if (ldap_nameform2bv( nf, &bv ))
+		return(bv.bv_val);
+	else
+		return NULL;
+}
+
+struct berval *
+ldap_nameform2bv( LDAPNameForm * nf, struct berval *bv )
+{
+	safe_string * ss;
+
+	if ( !nf || !bv )
+		return NULL;
+
+	ss = new_safe_string(256);
+	if ( !ss )
+		return NULL;
+
+	print_literal(ss,"("/*)*/);
+	print_whsp(ss);
+
+	print_numericoid(ss, nf->nf_oid);
+	print_whsp(ss);
+
+	if ( nf->nf_names ) {
+		print_literal(ss,"NAME");
+		print_qdescrs(ss,nf->nf_names);
+	}
+
+	if ( nf->nf_desc ) {
+		print_literal(ss,"DESC");
+		print_qdstring(ss,nf->nf_desc);
+	}
+
+	if ( nf->nf_obsolete ) {
+		print_literal(ss, "OBSOLETE");
+		print_whsp(ss);
+	}
+
+	print_literal(ss,"OC");
+	print_whsp(ss);
+	print_woid(ss,nf->nf_objectclass);
+	print_whsp(ss);
+
+	print_literal(ss,"MUST");
+	print_whsp(ss);
+	print_oids(ss,nf->nf_at_oids_must);
+	print_whsp(ss);
+
+
+	if ( nf->nf_at_oids_may ) {
+		print_literal(ss,"MAY");
+		print_whsp(ss);
+		print_oids(ss,nf->nf_at_oids_may);
+		print_whsp(ss);
+	}
+
+	print_whsp(ss);
+	print_extensions(ss, nf->nf_extensions);
+
+	print_literal(ss, /*(*/")");
+
+	bv->bv_val = safe_strdup(ss);
+	bv->bv_len = ss->pos;
+	safe_string_free(ss);
+	return(bv);
+}
+
 char *
 ldap_attributetype2str( LDAPAttributeType * at )
 {
@@ -569,7 +869,10 @@ struct berval *
 ldap_attributetype2bv(  LDAPAttributeType * at, struct berval *bv )
 {
 	safe_string * ss;
-	
+
+	if ( !at || !bv )
+		return NULL;
+
 	ss = new_safe_string(256);
 	if ( !ss )
 		return NULL;
@@ -590,7 +893,7 @@ ldap_attributetype2bv(  LDAPAttributeType * at, struct berval *bv )
 		print_qdstring(ss,at->at_desc);
 	}
 
-	if ( at->at_obsolete == LDAP_SCHEMA_YES ) {
+	if ( at->at_obsolete ) {
 		print_literal(ss, "OBSOLETE");
 		print_whsp(ss);
 	}
@@ -690,26 +993,23 @@ ldap_attributetype2bv(  LDAPAttributeType * at, struct berval *bv )
  * interpretation of the specs).
  */
 
-#define TK_NOENDQUOTE	-2
-#define TK_OUTOFMEM	-1
-#define TK_EOS		0
-#define TK_UNEXPCHAR	1
-#define TK_BAREWORD	2
-#define TK_QDSTRING	3
-#define TK_LEFTPAREN	4
-#define TK_RIGHTPAREN	5
-#define TK_DOLLAR	6
-#define TK_QDESCR	TK_QDSTRING
-
-struct token {
-	int type;
-	char *sval;
-};
-
-static int
+typedef enum tk_t {
+	TK_NOENDQUOTE	= -2,
+	TK_OUTOFMEM	= -1,
+	TK_EOS		= 0,
+	TK_UNEXPCHAR	= 1,
+	TK_BAREWORD	= 2,
+	TK_QDSTRING	= 3,
+	TK_LEFTPAREN	= 4,
+	TK_RIGHTPAREN	= 5,
+	TK_DOLLAR	= 6,
+	TK_QDESCR	= TK_QDSTRING
+} tk_t;
+
+static tk_t
 get_token( const char ** sp, char ** token_val )
 {
-	int kind;
+	tk_t kind;
 	const char * p;
 	const char * q;
 	char * res;
@@ -761,6 +1061,9 @@ get_token( const char ** sp, char ** token_val )
 			**sp != ')' &&
 			**sp != '$' &&
 			**sp != '\'' &&
+			/* for suggested minimum upper bound on the number
+			 * of characters (RFC 4517) */
+			**sp != '{' &&
 			**sp != '\0' )
 			(*sp)++;
 		q = *sp;
@@ -853,13 +1156,35 @@ ldap_int_parse_numericoid(const char **sp, int *code, const int flags)
 	return(res);
 }
 
+/* Parse a sequence of dot-separated decimal strings */
+int
+ldap_int_parse_ruleid(const char **sp, int *code, const int flags, int *ruleid)
+{
+	*ruleid=0;
+
+	if ( !LDAP_DIGIT(**sp) ) {
+		*code = LDAP_SCHERR_NODIGIT;
+		return -1;
+	}
+	*ruleid = (**sp) - '0';
+	(*sp)++;
+
+	while ( LDAP_DIGIT(**sp) ) {
+		*ruleid *= 10;
+		*ruleid += (**sp) - '0';
+		(*sp)++;
+	}
+
+	return 0;
+}
+
 /* Parse a qdescr or a list of them enclosed in () */
 static char **
 parse_qdescrs(const char **sp, int *code)
 {
 	char ** res;
 	char ** res1;
-	int kind;
+	tk_t kind;
 	char * sval;
 	int size;
 	int pos;
@@ -892,8 +1217,8 @@ parse_qdescrs(const char **sp, int *code)
 					}
 					res = res1;
 				}
-				res[pos] = sval;
-				pos++;
+				res[pos++] = sval;
+				res[pos] = NULL;
 				parse_whsp(sp);
 			} else {
 				LDAP_VFREE(res);
@@ -902,7 +1227,6 @@ parse_qdescrs(const char **sp, int *code)
 				return(NULL);
 			}
 		}
-		res[pos] = NULL;
 		parse_whsp(sp);
 		return(res);
 	} else if ( kind == TK_QDESCR ) {
@@ -927,7 +1251,7 @@ static char *
 parse_woid(const char **sp, int *code)
 {
 	char * sval;
-	int kind;
+	tk_t kind;
 
 	parse_whsp(sp);
 	kind = get_token(sp, &sval);
@@ -942,10 +1266,13 @@ parse_woid(const char **sp, int *code)
 
 /* Parse a noidlen */
 static char *
-parse_noidlen(const char **sp, int *code, int *len, int allow_quoted)
+parse_noidlen(const char **sp, int *code, int *len, int flags)
 {
 	char * sval;
+	const char *savepos;
 	int quoted = 0;
+	int allow_quoted = ( flags & LDAP_SCHEMA_ALLOW_QUOTED );
+	int allow_oidmacro = ( flags & LDAP_SCHEMA_ALLOW_OID_MACRO );
 
 	*len = 0;
 	/* Netscape puts the SYNTAX value in quotes (incorrectly) */
@@ -953,9 +1280,22 @@ parse_noidlen(const char **sp, int *code, int *len, int allow_quoted)
 		quoted = 1;
 		(*sp)++;
 	}
+	savepos = *sp;
 	sval = ldap_int_parse_numericoid(sp, code, 0);
 	if ( !sval ) {
-		return NULL;
+		if ( allow_oidmacro
+			&& *sp == savepos
+			&& *code == LDAP_SCHERR_NODIGIT )
+		{
+			if ( get_token(sp, &sval) != TK_BAREWORD ) {
+				if ( sval != NULL ) {
+					LDAP_FREE(sval);
+				}
+				return NULL;
+			}
+		} else {
+			return NULL;
+		}
 	}
 	if ( **sp == '{' /*}*/ ) {
 		(*sp)++;
@@ -994,7 +1334,7 @@ parse_oids(const char **sp, int *code, const int allow_quoted)
 {
 	char ** res;
 	char ** res1;
-	int kind;
+	tk_t kind;
 	char * sval;
 	int size;
 	int pos;
@@ -1020,8 +1360,13 @@ parse_oids(const char **sp, int *code, const int allow_quoted)
 		kind = get_token(sp,&sval);
 		if ( kind == TK_BAREWORD ||
 		     ( allow_quoted && kind == TK_QDSTRING ) ) {
-			res[pos] = sval;
-			pos++;
+			res[pos++] = sval;
+			res[pos] = NULL;
+		} else if ( kind == TK_RIGHTPAREN ) {
+			/* FIXME: be liberal in what we accept... */
+			parse_whsp(sp);
+			LDAP_FREE(res);
+			return NULL;
 		} else {
 			*code = LDAP_SCHERR_UNEXPTOKEN;
 			LDAP_FREE(sval);
@@ -1050,8 +1395,8 @@ parse_oids(const char **sp, int *code, const int allow_quoted)
 						}
 						res = res1;
 					}
-					res[pos] = sval;
-					pos++;
+					res[pos++] = sval;
+					res[pos] = NULL;
 				} else {
 					*code = LDAP_SCHERR_UNEXPTOKEN;
 					LDAP_FREE(sval);
@@ -1066,7 +1411,6 @@ parse_oids(const char **sp, int *code, const int allow_quoted)
 				return NULL;
 			}
 		}
-		res[pos] = NULL;
 		parse_whsp(sp);
 		return(res);
 	} else if ( kind == TK_BAREWORD ||
@@ -1104,16 +1448,20 @@ add_extension(LDAPSchemaExtensionItem ***extensions,
 	if ( !*extensions ) {
 		*extensions =
 		  LDAP_CALLOC(2, sizeof(LDAPSchemaExtensionItem *));
-		if ( !*extensions )
-		  return 1;
+		if ( !*extensions ) {
+			LDAP_FREE( ext );
+			return 1;
+		}
 		n = 0;
 	} else {
 		for ( n=0; (*extensions)[n] != NULL; n++ )
 	  		;
 		tmp = LDAP_REALLOC(*extensions,
 				   (n+2)*sizeof(LDAPSchemaExtensionItem *));
-		if ( !tmp )
+		if ( !tmp ) {
+			LDAP_FREE( ext );
 			return 1;
+		}
 		*extensions = tmp;
 	}
 	(*extensions)[n] = ext;
@@ -1139,6 +1487,7 @@ free_extensions(LDAPSchemaExtensionItem **extensions)
 void
 ldap_syntax_free( LDAPSyntax * syn )
 {
+	if ( !syn ) return;
 	LDAP_FREE(syn->syn_oid);
 	if (syn->syn_names) LDAP_VFREE(syn->syn_names);
 	if (syn->syn_desc) LDAP_FREE(syn->syn_desc);
@@ -1150,9 +1499,9 @@ LDAPSyntax *
 ldap_str2syntax( LDAP_CONST char * s,
 	int * code,
 	LDAP_CONST char ** errp,
-	LDAP_CONST int flags )
+	LDAP_CONST unsigned flags )
 {
-	int kind;
+	tk_t kind;
 	const char * ss = s;
 	char * sval;
 	int seen_name = 0;
@@ -1200,13 +1549,13 @@ ldap_str2syntax( LDAP_CONST char * s,
 		switch (kind) {
 		case TK_EOS:
 			*code = LDAP_SCHERR_NORIGHTPAREN;
-			*errp = ss;
+			*errp = EndOfInput;
 			ldap_syntax_free(syn);
 			return NULL;
 		case TK_RIGHTPAREN:
 			return syn;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"NAME") ) {
+			if ( !strcasecmp(sval,"NAME") ) {
 				LDAP_FREE(sval);
 				if ( seen_name ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1223,7 +1572,7 @@ ldap_str2syntax( LDAP_CONST char * s,
 					ldap_syntax_free(syn);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"DESC") ) {
+			} else if ( !strcasecmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1280,6 +1629,7 @@ ldap_str2syntax( LDAP_CONST char * s,
 void
 ldap_matchingrule_free( LDAPMatchingRule * mr )
 {
+	if (!mr) return;
 	LDAP_FREE(mr->mr_oid);
 	if (mr->mr_names) LDAP_VFREE(mr->mr_names);
 	if (mr->mr_desc) LDAP_FREE(mr->mr_desc);
@@ -1292,9 +1642,9 @@ LDAPMatchingRule *
 ldap_str2matchingrule( LDAP_CONST char * s,
 	int * code,
 	LDAP_CONST char ** errp,
-	LDAP_CONST int flags )
+	LDAP_CONST unsigned flags )
 {
-	int kind;
+	tk_t kind;
 	const char * ss = s;
 	char * sval;
 	int seen_name = 0;
@@ -1336,11 +1686,11 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 			ss = savepos;
 			kind = get_token(&ss,&sval);
 			if ( kind == TK_BAREWORD ) {
-				if ( !strcmp(sval, "NAME") ||
-				     !strcmp(sval, "DESC") ||
-				     !strcmp(sval, "OBSOLETE") ||
-				     !strcmp(sval, "SYNTAX") ||
-				     !strncmp(sval, "X-", 2) ) {
+				if ( !strcasecmp(sval, "NAME") ||
+				     !strcasecmp(sval, "DESC") ||
+				     !strcasecmp(sval, "OBSOLETE") ||
+				     !strcasecmp(sval, "SYNTAX") ||
+				     !strncasecmp(sval, "X-", 2) ) {
 					/* Missing OID, backtrack */
 					ss = savepos;
 				} else {
@@ -1365,13 +1715,18 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 		switch (kind) {
 		case TK_EOS:
 			*code = LDAP_SCHERR_NORIGHTPAREN;
-			*errp = ss;
+			*errp = EndOfInput;
 			ldap_matchingrule_free(mr);
 			return NULL;
 		case TK_RIGHTPAREN:
+			if( !seen_syntax ) {
+				*code = LDAP_SCHERR_MISSING;
+				ldap_matchingrule_free(mr);
+				return NULL;
+			}
 			return mr;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"NAME") ) {
+			if ( !strcasecmp(sval,"NAME") ) {
 				LDAP_FREE(sval);
 				if ( seen_name ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1388,7 +1743,7 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 					ldap_matchingrule_free(mr);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"DESC") ) {
+			} else if ( !strcasecmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1408,7 +1763,7 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 				}
 				mr->mr_desc = sval;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"OBSOLETE") ) {
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
 				LDAP_FREE(sval);
 				if ( seen_obsolete ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1419,7 +1774,7 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 				seen_obsolete = 1;
 				mr->mr_obsolete = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"SYNTAX") ) {
+			} else if ( !strcasecmp(sval,"SYNTAX") ) {
 				LDAP_FREE(sval);
 				if ( seen_syntax ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1474,6 +1829,7 @@ ldap_str2matchingrule( LDAP_CONST char * s,
 void
 ldap_matchingruleuse_free( LDAPMatchingRuleUse * mru )
 {
+	if (!mru) return;
 	LDAP_FREE(mru->mru_oid);
 	if (mru->mru_names) LDAP_VFREE(mru->mru_names);
 	if (mru->mru_desc) LDAP_FREE(mru->mru_desc);
@@ -1486,9 +1842,9 @@ LDAPMatchingRuleUse *
 ldap_str2matchingruleuse( LDAP_CONST char * s,
 	int * code,
 	LDAP_CONST char ** errp,
-	LDAP_CONST int flags )
+	LDAP_CONST unsigned flags )
 {
-	int kind;
+	tk_t kind;
 	const char * ss = s;
 	char * sval;
 	int seen_name = 0;
@@ -1530,11 +1886,11 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 			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) ) {
+				if ( !strcasecmp(sval, "NAME") ||
+				     !strcasecmp(sval, "DESC") ||
+				     !strcasecmp(sval, "OBSOLETE") ||
+				     !strcasecmp(sval, "APPLIES") ||
+				     !strncasecmp(sval, "X-", 2) ) {
 					/* Missing OID, backtrack */
 					ss = savepos;
 				} else {
@@ -1559,13 +1915,18 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 		switch (kind) {
 		case TK_EOS:
 			*code = LDAP_SCHERR_NORIGHTPAREN;
-			*errp = ss;
+			*errp = EndOfInput;
 			ldap_matchingruleuse_free(mru);
 			return NULL;
 		case TK_RIGHTPAREN:
+			if( !seen_applies ) {
+				*code = LDAP_SCHERR_MISSING;
+				ldap_matchingruleuse_free(mru);
+				return NULL;
+			}
 			return mru;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"NAME") ) {
+			if ( !strcasecmp(sval,"NAME") ) {
 				LDAP_FREE(sval);
 				if ( seen_name ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1582,7 +1943,7 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 					ldap_matchingruleuse_free(mru);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"DESC") ) {
+			} else if ( !strcasecmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1602,7 +1963,7 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 				}
 				mru->mru_desc = sval;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"OBSOLETE") ) {
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
 				LDAP_FREE(sval);
 				if ( seen_obsolete ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1613,7 +1974,7 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 				seen_obsolete = 1;
 				mru->mru_obsolete = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"APPLIES") ) {
+			} else if ( !strcasecmp(sval,"APPLIES") ) {
 				LDAP_FREE(sval);
 				if ( seen_applies ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1625,7 +1986,7 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 				mru->mru_applies_oids = parse_oids(&ss,
 							     code,
 							     flags);
-				if ( !mru->mru_applies_oids ) {
+				if ( !mru->mru_applies_oids && *code != LDAP_SUCCESS ) {
 					*errp = ss;
 					ldap_matchingruleuse_free(mru);
 					return NULL;
@@ -1667,6 +2028,7 @@ ldap_str2matchingruleuse( LDAP_CONST char * s,
 void
 ldap_attributetype_free(LDAPAttributeType * at)
 {
+	if (!at) return;
 	LDAP_FREE(at->at_oid);
 	if (at->at_names) LDAP_VFREE(at->at_names);
 	if (at->at_desc) LDAP_FREE(at->at_desc);
@@ -1683,9 +2045,9 @@ LDAPAttributeType *
 ldap_str2attributetype( LDAP_CONST char * s,
 	int * code,
 	LDAP_CONST char ** errp,
-	LDAP_CONST int flags )
+	LDAP_CONST unsigned flags )
 {
-	int kind;
+	tk_t kind;
 	const char * ss = s;
 	char * sval;
 	int seen_name = 0;
@@ -1736,28 +2098,31 @@ ldap_str2attributetype( LDAP_CONST char * s,
 	if ( !at->at_oid ) {
 		if ( ( flags & ( LDAP_SCHEMA_ALLOW_NO_OID
 				| LDAP_SCHEMA_ALLOW_OID_MACRO ) )
-			    && (ss == savepos) ) {
+			    && (ss == savepos) )
+		{
 			/* Backtracking */
 			ss = savepos;
 			kind = get_token(&ss,&sval);
 			if ( kind == TK_BAREWORD ) {
-				if ( !strcmp(sval, "NAME") ||
-				     !strcmp(sval, "DESC") ||
-				     !strcmp(sval, "OBSOLETE") ||
-				     !strcmp(sval, "SUP") ||
-				     !strcmp(sval, "EQUALITY") ||
-				     !strcmp(sval, "ORDERING") ||
-				     !strcmp(sval, "SUBSTR") ||
-				     !strcmp(sval, "SYNTAX") ||
-				     !strcmp(sval, "SINGLE-VALUE") ||
-				     !strcmp(sval, "COLLECTIVE") ||
-				     !strcmp(sval, "NO-USER-MODIFICATION") ||
-				     !strcmp(sval, "USAGE") ||
-				     !strncmp(sval, "X-", 2) ) {
+				if ( !strcasecmp(sval, "NAME") ||
+				     !strcasecmp(sval, "DESC") ||
+				     !strcasecmp(sval, "OBSOLETE") ||
+				     !strcasecmp(sval, "SUP") ||
+				     !strcasecmp(sval, "EQUALITY") ||
+				     !strcasecmp(sval, "ORDERING") ||
+				     !strcasecmp(sval, "SUBSTR") ||
+				     !strcasecmp(sval, "SYNTAX") ||
+				     !strcasecmp(sval, "SINGLE-VALUE") ||
+				     !strcasecmp(sval, "COLLECTIVE") ||
+				     !strcasecmp(sval, "NO-USER-MODIFICATION") ||
+				     !strcasecmp(sval, "USAGE") ||
+				     !strncasecmp(sval, "X-", 2) )
+				{
 					/* Missing OID, backtrack */
 					ss = savepos;
 				} else if ( flags
-					& LDAP_SCHEMA_ALLOW_OID_MACRO) {
+					& LDAP_SCHEMA_ALLOW_OID_MACRO)
+				{
 					/* Non-numerical OID ... */
 					int len = ss-savepos;
 					at->at_oid = LDAP_MALLOC(len+1);
@@ -1783,13 +2148,13 @@ ldap_str2attributetype( LDAP_CONST char * s,
 		switch (kind) {
 		case TK_EOS:
 			*code = LDAP_SCHERR_NORIGHTPAREN;
-			*errp = ss;
+			*errp = EndOfInput;
 			ldap_attributetype_free(at);
 			return NULL;
 		case TK_RIGHTPAREN:
 			return at;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"NAME") ) {
+			if ( !strcasecmp(sval,"NAME") ) {
 				LDAP_FREE(sval);
 				if ( seen_name ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1806,7 +2171,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 					ldap_attributetype_free(at);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"DESC") ) {
+			} else if ( !strcasecmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1826,7 +2191,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				}
 				at->at_desc = sval;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"OBSOLETE") ) {
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
 				LDAP_FREE(sval);
 				if ( seen_obsolete ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1837,7 +2202,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				seen_obsolete = 1;
 				at->at_obsolete = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"SUP") ) {
+			} else if ( !strcasecmp(sval,"SUP") ) {
 				LDAP_FREE(sval);
 				if ( seen_sup ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1852,7 +2217,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 					ldap_attributetype_free(at);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"EQUALITY") ) {
+			} else if ( !strcasecmp(sval,"EQUALITY") ) {
 				LDAP_FREE(sval);
 				if ( seen_equality ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1867,7 +2232,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 					ldap_attributetype_free(at);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"ORDERING") ) {
+			} else if ( !strcasecmp(sval,"ORDERING") ) {
 				LDAP_FREE(sval);
 				if ( seen_ordering ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1882,7 +2247,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 					ldap_attributetype_free(at);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"SUBSTR") ) {
+			} else if ( !strcasecmp(sval,"SUBSTR") ) {
 				LDAP_FREE(sval);
 				if ( seen_substr ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1897,7 +2262,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 					ldap_attributetype_free(at);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"SYNTAX") ) {
+			} else if ( !strcasecmp(sval,"SYNTAX") ) {
 				LDAP_FREE(sval);
 				if ( seen_syntax ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1941,7 +2306,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				    }
 				}
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"SINGLE-VALUE") ) {
+			} else if ( !strcasecmp(sval,"SINGLE-VALUE") ) {
 				LDAP_FREE(sval);
 				if ( at->at_single_value ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1951,7 +2316,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				}
 				at->at_single_value = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"COLLECTIVE") ) {
+			} else if ( !strcasecmp(sval,"COLLECTIVE") ) {
 				LDAP_FREE(sval);
 				if ( at->at_collective ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1961,7 +2326,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				}
 				at->at_collective = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"NO-USER-MODIFICATION") ) {
+			} else if ( !strcasecmp(sval,"NO-USER-MODIFICATION") ) {
 				LDAP_FREE(sval);
 				if ( at->at_no_user_mod ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -1971,7 +2336,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 				}
 				at->at_no_user_mod = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"USAGE") ) {
+			} else if ( !strcasecmp(sval,"USAGE") ) {
 				LDAP_FREE(sval);
 				if ( seen_usage ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2047,6 +2412,7 @@ ldap_str2attributetype( LDAP_CONST char * s,
 void
 ldap_objectclass_free(LDAPObjectClass * oc)
 {
+	if (!oc) return;
 	LDAP_FREE(oc->oc_oid);
 	if (oc->oc_names) LDAP_VFREE(oc->oc_names);
 	if (oc->oc_desc) LDAP_FREE(oc->oc_desc);
@@ -2061,9 +2427,9 @@ LDAPObjectClass *
 ldap_str2objectclass( LDAP_CONST char * s,
 	int * code,
 	LDAP_CONST char ** errp,
-	LDAP_CONST int flags )
+	LDAP_CONST unsigned flags )
 {
-	int kind;
+	tk_t kind;
 	const char * ss = s;
 	char * sval;
 	int seen_name = 0;
@@ -2116,15 +2482,16 @@ ldap_str2objectclass( LDAP_CONST char * s,
 			ss = savepos;
 			kind = get_token(&ss,&sval);
 			if ( kind == TK_BAREWORD ) {
-				if ( !strcmp(sval, "NAME") ||
-				     !strcmp(sval, "DESC") ||
-				     !strcmp(sval, "OBSOLETE") ||
-				     !strcmp(sval, "SUP") ||
-				     !strcmp(sval, "ABSTRACT") ||
-				     !strcmp(sval, "STRUCTURAL") ||
-				     !strcmp(sval, "AUXILIARY") ||
-				     !strcmp(sval, "MUST") ||
-				     !strncmp(sval, "X-", 2) ) {
+				if ( !strcasecmp(sval, "NAME") ||
+				     !strcasecmp(sval, "DESC") ||
+				     !strcasecmp(sval, "OBSOLETE") ||
+				     !strcasecmp(sval, "SUP") ||
+				     !strcasecmp(sval, "ABSTRACT") ||
+				     !strcasecmp(sval, "STRUCTURAL") ||
+				     !strcasecmp(sval, "AUXILIARY") ||
+				     !strcasecmp(sval, "MUST") ||
+				     !strcasecmp(sval, "MAY") ||
+				     !strncasecmp(sval, "X-", 2) ) {
 					/* Missing OID, backtrack */
 					ss = savepos;
 				} else if ( flags &
@@ -2137,6 +2504,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				}
 			}
 			LDAP_FREE(sval);
+			*code = 0;
 		} else {
 			*errp = ss;
 			ldap_objectclass_free(oc);
@@ -2154,13 +2522,13 @@ ldap_str2objectclass( LDAP_CONST char * s,
 		switch (kind) {
 		case TK_EOS:
 			*code = LDAP_SCHERR_NORIGHTPAREN;
-			*errp = ss;
+			*errp = EndOfInput;
 			ldap_objectclass_free(oc);
 			return NULL;
 		case TK_RIGHTPAREN:
 			return oc;
 		case TK_BAREWORD:
-			if ( !strcmp(sval,"NAME") ) {
+			if ( !strcasecmp(sval,"NAME") ) {
 				LDAP_FREE(sval);
 				if ( seen_name ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2177,7 +2545,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 					ldap_objectclass_free(oc);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"DESC") ) {
+			} else if ( !strcasecmp(sval,"DESC") ) {
 				LDAP_FREE(sval);
 				if ( seen_desc ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2197,7 +2565,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				}
 				oc->oc_desc = sval;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"OBSOLETE") ) {
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
 				LDAP_FREE(sval);
 				if ( seen_obsolete ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2208,7 +2576,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				seen_obsolete = 1;
 				oc->oc_obsolete = LDAP_SCHEMA_YES;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"SUP") ) {
+			} else if ( !strcasecmp(sval,"SUP") ) {
 				LDAP_FREE(sval);
 				if ( seen_sup ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2220,12 +2588,13 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				oc->oc_sup_oids = parse_oids(&ss,
 							     code,
 							     flags);
-				if ( !oc->oc_sup_oids ) {
+				if ( !oc->oc_sup_oids && *code != LDAP_SUCCESS ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
 					return NULL;
 				}
-			} else if ( !strcmp(sval,"ABSTRACT") ) {
+				*code = 0;
+			} else if ( !strcasecmp(sval,"ABSTRACT") ) {
 				LDAP_FREE(sval);
 				if ( seen_kind ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2236,7 +2605,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				seen_kind = 1;
 				oc->oc_kind = LDAP_SCHEMA_ABSTRACT;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"STRUCTURAL") ) {
+			} else if ( !strcasecmp(sval,"STRUCTURAL") ) {
 				LDAP_FREE(sval);
 				if ( seen_kind ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2247,7 +2616,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				seen_kind = 1;
 				oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"AUXILIARY") ) {
+			} else if ( !strcasecmp(sval,"AUXILIARY") ) {
 				LDAP_FREE(sval);
 				if ( seen_kind ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2258,7 +2627,7 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				seen_kind = 1;
 				oc->oc_kind = LDAP_SCHEMA_AUXILIARY;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"MUST") ) {
+			} else if ( !strcasecmp(sval,"MUST") ) {
 				LDAP_FREE(sval);
 				if ( seen_must ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2268,13 +2637,14 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				}
 				seen_must = 1;
 				oc->oc_at_oids_must = parse_oids(&ss,code,0);
-				if ( !oc->oc_at_oids_must ) {
+				if ( !oc->oc_at_oids_must && *code != LDAP_SUCCESS ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
 					return NULL;
 				}
+				*code = 0;
 				parse_whsp(&ss);
-			} else if ( !strcmp(sval,"MAY") ) {
+			} else if ( !strcasecmp(sval,"MAY") ) {
 				LDAP_FREE(sval);
 				if ( seen_may ) {
 					*code = LDAP_SCHERR_DUPOPT;
@@ -2284,15 +2654,17 @@ ldap_str2objectclass( LDAP_CONST char * s,
 				}
 				seen_may = 1;
 				oc->oc_at_oids_may = parse_oids(&ss,code,0);
-				if ( !oc->oc_at_oids_may ) {
+				if ( !oc->oc_at_oids_may && *code != LDAP_SUCCESS ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
 					return NULL;
 				}
+				*code = 0;
 				parse_whsp(&ss);
 			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
 				/* Should be parse_qdstrings */
 				ext_vals = parse_qdescrs(&ss, code);
+				*code = 0;
 				if ( !ext_vals ) {
 					*errp = ss;
 					ldap_objectclass_free(oc);
@@ -2324,26 +2696,690 @@ ldap_str2objectclass( LDAP_CONST char * s,
 	}
 }
 
+void
+ldap_contentrule_free(LDAPContentRule * cr)
+{
+	if (!cr) return;
+	LDAP_FREE(cr->cr_oid);
+	if (cr->cr_names) LDAP_VFREE(cr->cr_names);
+	if (cr->cr_desc) LDAP_FREE(cr->cr_desc);
+	if (cr->cr_oc_oids_aux) LDAP_VFREE(cr->cr_oc_oids_aux);
+	if (cr->cr_at_oids_must) LDAP_VFREE(cr->cr_at_oids_must);
+	if (cr->cr_at_oids_may) LDAP_VFREE(cr->cr_at_oids_may);
+	if (cr->cr_at_oids_not) LDAP_VFREE(cr->cr_at_oids_not);
+	free_extensions(cr->cr_extensions);
+	LDAP_FREE(cr);
+}
+
+LDAPContentRule *
+ldap_str2contentrule( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST unsigned flags )
+{
+	tk_t kind;
+	const char * ss = s;
+	char * sval;
+	int seen_name = 0;
+	int seen_desc = 0;
+	int seen_obsolete = 0;
+	int seen_aux = 0;
+	int seen_must = 0;
+	int seen_may = 0;
+	int seen_not = 0;
+	LDAPContentRule * cr;
+	char ** ext_vals;
+	const char * savepos;
+
+	if ( !s ) {
+		*code = LDAP_SCHERR_EMPTY;
+		*errp = "";
+		return NULL;
+	}
+
+	*errp = s;
+	cr = LDAP_CALLOC(1,sizeof(LDAPContentRule));
+
+	if ( !cr ) {
+		*code = LDAP_SCHERR_OUTOFMEM;
+		return NULL;
+	}
+
+	kind = get_token(&ss,&sval);
+	if ( kind != TK_LEFTPAREN ) {
+		*code = LDAP_SCHERR_NOLEFTPAREN;
+		LDAP_FREE(sval);
+		ldap_contentrule_free(cr);
+		return NULL;
+	}
+
+	/*
+	 * Definitions MUST begin with an OID in the numericoid format.
+	 */
+	parse_whsp(&ss);
+	savepos = ss;
+	cr->cr_oid = ldap_int_parse_numericoid(&ss,code,0);
+	if ( !cr->cr_oid ) {
+		if ( (flags & LDAP_SCHEMA_ALLOW_ALL) && (ss == savepos) ) {
+			/* Backtracking */
+			ss = savepos;
+			kind = get_token(&ss,&sval);
+			if ( kind == TK_BAREWORD ) {
+				if ( !strcasecmp(sval, "NAME") ||
+				     !strcasecmp(sval, "DESC") ||
+				     !strcasecmp(sval, "OBSOLETE") ||
+				     !strcasecmp(sval, "AUX") ||
+				     !strcasecmp(sval, "MUST") ||
+				     !strcasecmp(sval, "MAY") ||
+				     !strcasecmp(sval, "NOT") ||
+				     !strncasecmp(sval, "X-", 2) ) {
+					/* Missing OID, backtrack */
+					ss = savepos;
+				} else if ( flags &
+					LDAP_SCHEMA_ALLOW_OID_MACRO ) {
+					/* Non-numerical OID, ignore */
+					int len = ss-savepos;
+					cr->cr_oid = LDAP_MALLOC(len+1);
+					strncpy(cr->cr_oid, savepos, len);
+					cr->cr_oid[len] = 0;
+				}
+			}
+			LDAP_FREE(sval);
+		} else {
+			*errp = ss;
+			ldap_contentrule_free(cr);
+			return NULL;
+		}
+	}
+	parse_whsp(&ss);
+
+	/*
+	 * Beyond this point we will be liberal an accept the items
+	 * in any order.
+	 */
+	while (1) {
+		kind = get_token(&ss,&sval);
+		switch (kind) {
+		case TK_EOS:
+			*code = LDAP_SCHERR_NORIGHTPAREN;
+			*errp = EndOfInput;
+			ldap_contentrule_free(cr);
+			return NULL;
+		case TK_RIGHTPAREN:
+			return cr;
+		case TK_BAREWORD:
+			if ( !strcasecmp(sval,"NAME") ) {
+				LDAP_FREE(sval);
+				if ( seen_name ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_name = 1;
+				cr->cr_names = parse_qdescrs(&ss,code);
+				if ( !cr->cr_names ) {
+					if ( *code != LDAP_SCHERR_OUTOFMEM )
+						*code = LDAP_SCHERR_BADNAME;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+			} else if ( !strcasecmp(sval,"DESC") ) {
+				LDAP_FREE(sval);
+				if ( seen_desc ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					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_contentrule_free(cr);
+					return NULL;
+				}
+				cr->cr_desc = sval;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
+				LDAP_FREE(sval);
+				if ( seen_obsolete ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_obsolete = 1;
+				cr->cr_obsolete = LDAP_SCHEMA_YES;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"AUX") ) {
+				LDAP_FREE(sval);
+				if ( seen_aux ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_aux = 1;
+				cr->cr_oc_oids_aux = parse_oids(&ss,code,0);
+				if ( !cr->cr_oc_oids_aux ) {
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"MUST") ) {
+				LDAP_FREE(sval);
+				if ( seen_must ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_must = 1;
+				cr->cr_at_oids_must = parse_oids(&ss,code,0);
+				if ( !cr->cr_at_oids_must && *code != LDAP_SUCCESS ) {
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"MAY") ) {
+				LDAP_FREE(sval);
+				if ( seen_may ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_may = 1;
+				cr->cr_at_oids_may = parse_oids(&ss,code,0);
+				if ( !cr->cr_at_oids_may && *code != LDAP_SUCCESS ) {
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"NOT") ) {
+				LDAP_FREE(sval);
+				if ( seen_not ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return(NULL);
+				}
+				seen_not = 1;
+				cr->cr_at_oids_not = parse_oids(&ss,code,0);
+				if ( !cr->cr_at_oids_not && *code != LDAP_SUCCESS ) {
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
+				/* Should be parse_qdstrings */
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+				if ( add_extension(&cr->cr_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_contentrule_free(cr);
+					return NULL;
+				}
+			} else {
+				*code = LDAP_SCHERR_UNEXPTOKEN;
+				*errp = ss;
+				LDAP_FREE(sval);
+				ldap_contentrule_free(cr);
+				return NULL;
+			}
+			break;
+		default:
+			*code = LDAP_SCHERR_UNEXPTOKEN;
+			*errp = ss;
+			LDAP_FREE(sval);
+			ldap_contentrule_free(cr);
+			return NULL;
+		}
+	}
+}
+
+void
+ldap_structurerule_free(LDAPStructureRule * sr)
+{
+	if (!sr) return;
+	if (sr->sr_names) LDAP_VFREE(sr->sr_names);
+	if (sr->sr_desc) LDAP_FREE(sr->sr_desc);
+	if (sr->sr_nameform) LDAP_FREE(sr->sr_nameform);
+	if (sr->sr_sup_ruleids) LDAP_FREE(sr->sr_sup_ruleids);
+	free_extensions(sr->sr_extensions);
+	LDAP_FREE(sr);
+}
+
+LDAPStructureRule *
+ldap_str2structurerule( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST unsigned flags )
+{
+	tk_t kind;
+	int ret;
+	const char * ss = s;
+	char * sval;
+	int seen_name = 0;
+	int seen_desc = 0;
+	int seen_obsolete = 0;
+	int seen_nameform = 0;
+	LDAPStructureRule * sr;
+	char ** ext_vals;
+	const char * savepos;
+
+	if ( !s ) {
+		*code = LDAP_SCHERR_EMPTY;
+		*errp = "";
+		return NULL;
+	}
+
+	*errp = s;
+	sr = LDAP_CALLOC(1,sizeof(LDAPStructureRule));
+
+	if ( !sr ) {
+		*code = LDAP_SCHERR_OUTOFMEM;
+		return NULL;
+	}
+
+	kind = get_token(&ss,&sval);
+	if ( kind != TK_LEFTPAREN ) {
+		*code = LDAP_SCHERR_NOLEFTPAREN;
+		LDAP_FREE(sval);
+		ldap_structurerule_free(sr);
+		return NULL;
+	}
+
+	/*
+	 * Definitions MUST begin with a ruleid.
+	 */
+	parse_whsp(&ss);
+	savepos = ss;
+	ret = ldap_int_parse_ruleid(&ss,code,0,&sr->sr_ruleid);
+	if ( ret ) {
+		*errp = ss;
+		ldap_structurerule_free(sr);
+		return NULL;
+	}
+	parse_whsp(&ss);
+
+	/*
+	 * Beyond this point we will be liberal an accept the items
+	 * in any order.
+	 */
+	while (1) {
+		kind = get_token(&ss,&sval);
+		switch (kind) {
+		case TK_EOS:
+			*code = LDAP_SCHERR_NORIGHTPAREN;
+			*errp = EndOfInput;
+			ldap_structurerule_free(sr);
+			return NULL;
+		case TK_RIGHTPAREN:
+			if( !seen_nameform ) {
+				*code = LDAP_SCHERR_MISSING;
+				ldap_structurerule_free(sr);
+				return NULL;
+			}
+			return sr;
+		case TK_BAREWORD:
+			if ( !strcasecmp(sval,"NAME") ) {
+				LDAP_FREE(sval);
+				if ( seen_name ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return(NULL);
+				}
+				seen_name = 1;
+				sr->sr_names = parse_qdescrs(&ss,code);
+				if ( !sr->sr_names ) {
+					if ( *code != LDAP_SCHERR_OUTOFMEM )
+						*code = LDAP_SCHERR_BADNAME;
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return NULL;
+				}
+			} else if ( !strcasecmp(sval,"DESC") ) {
+				LDAP_FREE(sval);
+				if ( seen_desc ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					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_structurerule_free(sr);
+					return NULL;
+				}
+				sr->sr_desc = sval;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
+				LDAP_FREE(sval);
+				if ( seen_obsolete ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return(NULL);
+				}
+				seen_obsolete = 1;
+				sr->sr_obsolete = LDAP_SCHEMA_YES;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"FORM") ) {
+				LDAP_FREE(sval);
+				if ( seen_nameform ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return(NULL);
+				}
+				seen_nameform = 1;
+				sr->sr_nameform = parse_woid(&ss,code);
+				if ( !sr->sr_nameform ) {
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
+				/* Should be parse_qdstrings */
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_structurerule_free(sr);
+					return NULL;
+				}
+				if ( add_extension(&sr->sr_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_structurerule_free(sr);
+					return NULL;
+				}
+			} else {
+				*code = LDAP_SCHERR_UNEXPTOKEN;
+				*errp = ss;
+				LDAP_FREE(sval);
+				ldap_structurerule_free(sr);
+				return NULL;
+			}
+			break;
+		default:
+			*code = LDAP_SCHERR_UNEXPTOKEN;
+			*errp = ss;
+			LDAP_FREE(sval);
+			ldap_structurerule_free(sr);
+			return NULL;
+		}
+	}
+}
+
+void
+ldap_nameform_free(LDAPNameForm * nf)
+{
+	if (!nf) return;
+	LDAP_FREE(nf->nf_oid);
+	if (nf->nf_names) LDAP_VFREE(nf->nf_names);
+	if (nf->nf_desc) LDAP_FREE(nf->nf_desc);
+	if (nf->nf_objectclass) LDAP_FREE(nf->nf_objectclass);
+	if (nf->nf_at_oids_must) LDAP_VFREE(nf->nf_at_oids_must);
+	if (nf->nf_at_oids_may) LDAP_VFREE(nf->nf_at_oids_may);
+	free_extensions(nf->nf_extensions);
+	LDAP_FREE(nf);
+}
+
+LDAPNameForm *
+ldap_str2nameform( LDAP_CONST char * s,
+	int * code,
+	LDAP_CONST char ** errp,
+	LDAP_CONST unsigned flags )
+{
+	tk_t kind;
+	const char * ss = s;
+	char * sval;
+	int seen_name = 0;
+	int seen_desc = 0;
+	int seen_obsolete = 0;
+	int seen_class = 0;
+	int seen_must = 0;
+	int seen_may = 0;
+	LDAPNameForm * nf;
+	char ** ext_vals;
+	const char * savepos;
+
+	if ( !s ) {
+		*code = LDAP_SCHERR_EMPTY;
+		*errp = "";
+		return NULL;
+	}
+
+	*errp = s;
+	nf = LDAP_CALLOC(1,sizeof(LDAPNameForm));
+
+	if ( !nf ) {
+		*code = LDAP_SCHERR_OUTOFMEM;
+		return NULL;
+	}
+
+	kind = get_token(&ss,&sval);
+	if ( kind != TK_LEFTPAREN ) {
+		*code = LDAP_SCHERR_NOLEFTPAREN;
+		LDAP_FREE(sval);
+		ldap_nameform_free(nf);
+		return NULL;
+	}
+
+	/*
+	 * Definitions MUST begin with an OID in the numericoid format.
+	 * However, this routine is used by clients to parse the response
+	 * from servers and very well known servers will provide an OID
+	 * in the wrong format or even no OID at all.  We do our best to
+	 * extract info from those servers.
+	 */
+	parse_whsp(&ss);
+	savepos = ss;
+	nf->nf_oid = ldap_int_parse_numericoid(&ss,code,0);
+	if ( !nf->nf_oid ) {
+		*errp = ss;
+		ldap_nameform_free(nf);
+		return NULL;
+	}
+	parse_whsp(&ss);
+
+	/*
+	 * Beyond this point we will be liberal an accept the items
+	 * in any order.
+	 */
+	while (1) {
+		kind = get_token(&ss,&sval);
+		switch (kind) {
+		case TK_EOS:
+			*code = LDAP_SCHERR_NORIGHTPAREN;
+			*errp = EndOfInput;
+			ldap_nameform_free(nf);
+			return NULL;
+		case TK_RIGHTPAREN:
+			if( !seen_class || !seen_must ) {
+				*code = LDAP_SCHERR_MISSING;
+				ldap_nameform_free(nf);
+				return NULL;
+			}
+			return nf;
+		case TK_BAREWORD:
+			if ( !strcasecmp(sval,"NAME") ) {
+				LDAP_FREE(sval);
+				if ( seen_name ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return(NULL);
+				}
+				seen_name = 1;
+				nf->nf_names = parse_qdescrs(&ss,code);
+				if ( !nf->nf_names ) {
+					if ( *code != LDAP_SCHERR_OUTOFMEM )
+						*code = LDAP_SCHERR_BADNAME;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+			} else if ( !strcasecmp(sval,"DESC") ) {
+				LDAP_FREE(sval);
+				if ( seen_desc ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					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_nameform_free(nf);
+					return NULL;
+				}
+				nf->nf_desc = sval;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"OBSOLETE") ) {
+				LDAP_FREE(sval);
+				if ( seen_obsolete ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return(NULL);
+				}
+				seen_obsolete = 1;
+				nf->nf_obsolete = LDAP_SCHEMA_YES;
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"OC") ) {
+				LDAP_FREE(sval);
+				if ( seen_class ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return(NULL);
+				}
+				seen_class = 1;
+				nf->nf_objectclass = parse_woid(&ss,code);
+				if ( !nf->nf_objectclass ) {
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+			} else if ( !strcasecmp(sval,"MUST") ) {
+				LDAP_FREE(sval);
+				if ( seen_must ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return(NULL);
+				}
+				seen_must = 1;
+				nf->nf_at_oids_must = parse_oids(&ss,code,0);
+				if ( !nf->nf_at_oids_must && *code != LDAP_SUCCESS ) {
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( !strcasecmp(sval,"MAY") ) {
+				LDAP_FREE(sval);
+				if ( seen_may ) {
+					*code = LDAP_SCHERR_DUPOPT;
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return(NULL);
+				}
+				seen_may = 1;
+				nf->nf_at_oids_may = parse_oids(&ss,code,0);
+				if ( !nf->nf_at_oids_may && *code != LDAP_SUCCESS ) {
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+				parse_whsp(&ss);
+			} else if ( sval[0] == 'X' && sval[1] == '-' ) {
+				/* Should be parse_qdstrings */
+				ext_vals = parse_qdescrs(&ss, code);
+				if ( !ext_vals ) {
+					*errp = ss;
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+				if ( add_extension(&nf->nf_extensions,
+						    sval, ext_vals) ) {
+					*code = LDAP_SCHERR_OUTOFMEM;
+					*errp = ss;
+					LDAP_FREE(sval);
+					ldap_nameform_free(nf);
+					return NULL;
+				}
+			} else {
+				*code = LDAP_SCHERR_UNEXPTOKEN;
+				*errp = ss;
+				LDAP_FREE(sval);
+				ldap_nameform_free(nf);
+				return NULL;
+			}
+			break;
+		default:
+			*code = LDAP_SCHERR_UNEXPTOKEN;
+			*errp = ss;
+			LDAP_FREE(sval);
+			ldap_nameform_free(nf);
+			return NULL;
+		}
+	}
+}
+
 static char *const err2text[] = {
-	"Success",
-	"Out of memory",
-	"Unexpected token",
-	"Missing opening parenthesis",
-	"Missing closing parenthesis",
-	"Expecting digit",
-	"Expecting a name",
-	"Bad description",
-	"Bad superiors",
-	"Duplicate option",
-	"Unexpected end of data"
+	N_("Success"),
+	N_("Out of memory"),
+	N_("Unexpected token"),
+	N_("Missing opening parenthesis"),
+	N_("Missing closing parenthesis"),
+	N_("Expecting digit"),
+	N_("Expecting a name"),
+	N_("Bad description"),
+	N_("Bad superiors"),
+	N_("Duplicate option"),
+	N_("Unexpected end of data"),
+	N_("Missing required field"),
+	N_("Out of order field")
 };
 
 char *
 ldap_scherr2str(int code)
 {
-	if ( code < 0 || code >= (sizeof(err2text)/sizeof(char *)) ) {
-		return "Unknown error";
+	if ( code < 0 || code >= (int)(sizeof(err2text)/sizeof(char *)) ) {
+		return _("Unknown error");
 	} else {
-		return err2text[code];
+		return _(err2text[code]);
 	}
 }