From 30fbf95de1039e55f75678b35ba49f4574fbaee5 Mon Sep 17 00:00:00 2001
From: Pierangelo Masarati <ando@openldap.org>
Date: Fri, 24 Aug 2007 20:05:30 +0000
Subject: [PATCH] allow to register further syntax/mr compatibility

---
 servers/slapd/mr.c         | 66 ++++++++++++++++++++++++++++++++++++--
 servers/slapd/proto-slap.h | 14 +++++---
 2 files changed, 73 insertions(+), 7 deletions(-)

diff --git a/servers/slapd/mr.c b/servers/slapd/mr.c
index 8a49f4f6c5..f85c08af06 100644
--- a/servers/slapd/mr.c
+++ b/servers/slapd/mr.c
@@ -145,6 +145,67 @@ mr_insert(
 	return 0;
 }
 
+int
+mr_make_syntax_compat_with_mr(
+	Syntax		*syn,
+	MatchingRule	*mr )
+{
+	int		n = 0;
+
+	assert( syn != NULL );
+	assert( mr != NULL );
+
+	if ( mr->smr_compat_syntaxes ) {
+		/* count esisting */
+		for ( n = 0;
+			mr->smr_compat_syntaxes[ n ];
+			n++ )
+		{
+			if ( mr->smr_compat_syntaxes[ n ] == syn ) {
+				/* already compatible; mmmmh... */
+				return 1;
+			}
+		}
+	}
+
+	mr->smr_compat_syntaxes = ch_realloc(
+		mr->smr_compat_syntaxes,
+		sizeof( Syntax * )*(n + 2) );
+	mr->smr_compat_syntaxes[ n ] = syn;
+	mr->smr_compat_syntaxes[ n + 1 ] = NULL;
+
+	return 0;
+}
+
+int
+mr_make_syntax_compat_with_mrs(
+	const char *syntax,
+	char *const *mrs )
+{
+	int	r, rc = 0;
+	Syntax	*syn;
+
+	assert( syntax != NULL );
+	assert( mrs != NULL );
+
+	syn = syn_find( syntax );
+	if ( syn == NULL ) {
+		return -1;
+	}
+
+	for ( r = 0; mrs[ r ] != NULL; r++ ) {
+		MatchingRule	*mr = mr_find( mrs[ r ] );
+		if ( mr == NULL ) {
+			/* matchingRule not found -- ignore by now */
+			continue;
+		}
+
+		rc += mr_make_syntax_compat_with_mr( syn, mr );
+	}
+
+	return rc;
+}
+
 int
 mr_add(
     LDAPMatchingRule		*mr,
@@ -316,7 +377,8 @@ matching_rule_use_init( void )
 
 	LDAP_SLIST_FOREACH( mr, &mr_list, smr_next ) {
 		AttributeType	*at;
-		MatchingRuleUse	mru_storage, *mru = &mru_storage;
+		MatchingRuleUse	mru_storage = { 0 },
+				*mru = &mru_storage;
 
 		char		**applies_oids = NULL;
 
@@ -341,8 +403,6 @@ matching_rule_use_init( void )
 			continue;
 		}
 
-		memset( mru, 0, sizeof( MatchingRuleUse ) );
-
 		/*
 		 * Note: we're using the same values of the corresponding 
 		 * MatchingRule structure; maybe we'd copy them ...
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index 9eb6c9a86d..7e2e596c0a 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -1238,11 +1238,17 @@ LDAP_SLAPD_F (int) register_matching_rule LDAP_P((
 LDAP_SLAPD_F (void) mru_destroy LDAP_P(( void ));
 LDAP_SLAPD_F (int) matching_rule_use_init LDAP_P(( void ));
 
-LDAP_SLAPD_F (int) mr_schema_info( Entry *e );
-LDAP_SLAPD_F (int) mru_schema_info( Entry *e );
+LDAP_SLAPD_F (int) mr_schema_info LDAP_P(( Entry *e ));
+LDAP_SLAPD_F (int) mru_schema_info LDAP_P(( Entry *e ));
 
-LDAP_SLAPD_F (int) mr_usable_with_at( MatchingRule *mr,
-	AttributeType *at );
+LDAP_SLAPD_F (int) mr_usable_with_at LDAP_P(( MatchingRule *mr,
+	AttributeType *at ));
+LDAP_SLAPD_F (int) mr_make_syntax_compat_with_mr LDAP_P((
+	Syntax		*syn,
+	MatchingRule	*mr ));
+LDAP_SLAPD_F (int) mr_make_syntax_compat_with_mrs LDAP_P((
+	const char *syntax,
+	char *const *mrs ));
 
 /*
  * mra.c
-- 
2.39.5