From b1172dc5ac5cd1c06cf333104537751b0c4a06df Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Sun, 2 Jul 2000 17:16:18 +0000
Subject: [PATCH] Add experimental support for undefined attribute types.

---
 servers/slapd/ad.c          | 51 +++++++++++++++++++++++++++++++++++++
 servers/slapd/entry.c       | 18 +++++++++----
 servers/slapd/proto-slap.h  | 10 ++++++++
 servers/slapd/schema_prep.c | 13 ++++++++++
 servers/slapd/slap.h        | 13 ++++++----
 5 files changed, 95 insertions(+), 10 deletions(-)

diff --git a/servers/slapd/ad.c b/servers/slapd/ad.c
index 96078b257d..701534a766 100644
--- a/servers/slapd/ad.c
+++ b/servers/slapd/ad.c
@@ -243,3 +243,54 @@ int ad_inlist(
 }
 
 
+int slap_str2undef_ad(
+	const char *str,
+	AttributeDescription **ad,
+	const char **text )
+{
+	struct berval bv;
+	bv.bv_val = (char *) str;
+	bv.bv_len = strlen( str );
+
+	return slap_bv2undef_ad( &bv, ad, text );
+}
+
+int slap_bv2undef_ad(
+	struct berval *bv,
+	AttributeDescription **ad,
+	const char **text )
+{
+	AttributeDescription desc;
+
+	assert( ad != NULL );
+	assert( *ad == NULL ); /* temporary */
+
+	if( bv == NULL || bv->bv_len == 0 ) {
+		*text = "empty attribute description";
+		return LDAP_UNDEFINED_TYPE;
+	}
+
+	/* make sure description is IA5 */
+	if( ad_keystring( bv ) ) {
+		*text = "attribute description contains inappropriate characters";
+		return LDAP_UNDEFINED_TYPE;
+	}
+
+	desc.ad_type = slap_schema.si_at_undefined;
+	desc.ad_flags = SLAP_DESC_NONE;
+	desc.ad_lang = NULL;
+
+	desc.ad_cname = ber_bvdup( bv );
+
+	/* canoncial to upper case */
+	ldap_pvt_str2upper( bv->bv_val );
+
+	if( *ad == NULL ) {
+		*ad = ch_malloc( sizeof( AttributeDescription ) );
+	}
+
+	**ad = desc;
+
+	return LDAP_SUCCESS;
+}
+
diff --git a/servers/slapd/entry.c b/servers/slapd/entry.c
index 115daa3eea..c8817c87ef 100644
--- a/servers/slapd/entry.c
+++ b/servers/slapd/entry.c
@@ -115,11 +115,19 @@ str2entry( char *s )
 
 		if( rc != LDAP_SUCCESS ) {
 			Debug( LDAP_DEBUG_TRACE,
-				"<= str2entry NULL (str2ad=%s)\n", text, 0, 0 );
-			entry_free( e );
-			free( value.bv_val );
-			free( type );
-			return( NULL );
+				"<= str2entry: str2ad(%s): %s\n", type, text, 0 );
+
+			rc = slap_str2undef_ad( type, &ad, &text );
+
+			if( rc != LDAP_SUCCESS ) {
+				Debug( LDAP_DEBUG_TRACE,
+					"<= str2entry: str2undef_ad(%s): %s\n",
+						type, text, 0 );
+				entry_free( e );
+				free( value.bv_val );
+				free( type );
+				return( NULL );
+			}
 		}
 
 		rc = attr_merge( e, ad, vals );
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index c6aa3dc7c5..27cf5cedff 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -41,6 +41,16 @@ LDAP_SLAPD_F (int) ad_inlist LDAP_P((
 	AttributeDescription *desc,
 	char **attrs ));
 
+LDAP_SLAPD_F (int) slap_str2undef_ad LDAP_P((
+	const char *,
+	AttributeDescription **ad,
+	const char **text ));
+
+LDAP_SLAPD_F (int) slap_bv2undef_ad LDAP_P((
+	struct berval *bv,
+	AttributeDescription **ad,
+	const char **text ));
+
 /*
  * acl.c
  */
diff --git a/servers/slapd/schema_prep.c b/servers/slapd/schema_prep.c
index 57df22771a..bb15ffba48 100644
--- a/servers/slapd/schema_prep.c
+++ b/servers/slapd/schema_prep.c
@@ -199,6 +199,17 @@ struct slap_schema_ad_map {
 	{ NULL, NULL, NULL, NULL, 0 }
 };
 
+static AttributeType slap_at_undefined = {
+	"UNDEFINED", /* cname */
+	{ "1.1.1", NULL, NULL, 1, NULL,
+		NULL, NULL, NULL, NULL,
+		0, 0, 0, 1, 3 },
+	NULL, /* sup */
+	NULL, /* subtypes */
+	NULL, NULL, NULL, NULL,	/* matching rules */
+	NULL, /* syntax (this may need to be defined) */
+	NULL  /* next */
+};
 
 int
 schema_prep( void )
@@ -245,6 +256,8 @@ schema_prep( void )
 		}
 	}
 
+	slap_schema.si_at_undefined = &slap_at_undefined;
+
 	++schema_init_done;
 	return LDAP_SUCCESS;
 }
diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 4beb7a9c37..2445f5ff56 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -388,10 +388,10 @@ struct slap_internal_schema {
 	ObjectClass *si_oc_subschema;
 	ObjectClass *si_oc_rootdse;
 
-	/* objectClass attribute */
+	/* objectClass attribute descriptions */
 	AttributeDescription *si_ad_objectClass;
 
-	/* operational attributes */
+	/* operational attribute descriptions */
 	AttributeDescription *si_ad_structuralObjectClass;
 	AttributeDescription *si_ad_creatorsName;
 	AttributeDescription *si_ad_createTimestamp;
@@ -399,14 +399,14 @@ struct slap_internal_schema {
 	AttributeDescription *si_ad_modifyTimestamp;
 	AttributeDescription *si_ad_subschemaSubentry;
 
-	/* root DSE attributes */
+	/* root DSE attribute descriptions */
 	AttributeDescription *si_ad_namingContexts;
 	AttributeDescription *si_ad_supportedControl;
 	AttributeDescription *si_ad_supportedExtension;
 	AttributeDescription *si_ad_supportedLDAPVersion;
 	AttributeDescription *si_ad_supportedSASLMechanisms;
 
-	/* subschema subentry attributes */
+	/* subschema subentry attribute descriptions */
 	AttributeDescription *si_ad_objectClasses;
 	AttributeDescription *si_ad_attributeTypes;
 	AttributeDescription *si_ad_ldapSyntaxes;
@@ -424,12 +424,15 @@ struct slap_internal_schema {
 	AttributeDescription *si_ad_aci;
 #endif
 
-	/* Other */
+	/* Other attributes descriptions */
 	AttributeDescription *si_ad_userPassword;
 	AttributeDescription *si_ad_authPassword;
 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 	AttributeDescription *si_ad_krbName;
 #endif
+
+	/* Undefined Attribute Type */
+	AttributeType	*si_at_undefined;
 };
 
 typedef struct slap_attr_assertion {
-- 
2.39.5