allow to look-ahead entry DN without decoding the whole entry (ITS#6442)

servers/slapd/entry.c

@@ -820,6 +820,35 @@ int entry_header(EntryHeader *eh)
 	return LDAP_SUCCESS;
 }
 
+int
+entry_decode_dn( EntryHeader *eh, struct berval *dn, struct berval *ndn )
+{
+	int i;
+	unsigned char *ptr = (unsigned char *)eh->bv.bv_val;
+
+	assert( dn != NULL || ndn != NULL );
+
+	ptr = (unsigned char *)eh->data;
+	i = entry_getlen(&ptr);
+	if ( dn != NULL ) {
+		dn->bv_val = (char *) ptr;
+		dn->bv_len = i;
+	}
+
+	if ( ndn != NULL ) {
+		ptr += i + 1;
+		i = entry_getlen(&ptr);
+		ndn->bv_val = (char *) ptr;
+		ndn->bv_len = i;
+	}
+
+	Debug( LDAP_DEBUG_TRACE,
+		"entry_decode_dn: \"%s\"\n",
+		dn ? dn->bv_val : ndn->bv_val, 0, 0 );
+
+	return 0;
+}
+
 #ifdef SLAP_ZONE_ALLOC
 int entry_decode(EntryHeader *eh, Entry **e, void *ctx)
 #else

servers/slapd/proto-slap.h

@@ -985,6 +985,8 @@ LDAP_SLAPD_F (void) entry_partsize LDAP_P(( Entry *e, ber_len_t *len,
 	int *nattrs, int *nvals, int norm ));
 
 LDAP_SLAPD_F (int) entry_header LDAP_P(( EntryHeader *eh ));
+LDAP_SLAPD_F (int) entry_decode_dn LDAP_P((
+	EntryHeader *eh, struct berval *dn, struct berval *ndn ));
 #ifdef SLAP_ZONE_ALLOC
 LDAP_SLAPD_F (int) entry_decode LDAP_P((
 						EntryHeader *eh, Entry **e, void *ctx ));

servers/slapd/slap.h

@@ -1592,6 +1592,12 @@ LDAP_SLAPD_V (int) slapMode;
 #define SB_TLS_ON		1
 #define SB_TLS_CRITICAL		2
 
+typedef struct slap_keepalive {
+	int sk_idle;
+	int sk_probes;
+	int sk_interval;
+} slap_keepalive;
+
 typedef struct slap_bindconf {
 	struct berval sb_uri;
 	int sb_version;
@@ -1606,6 +1612,7 @@ typedef struct slap_bindconf {
 	struct berval sb_realm;
 	struct berval sb_authcId;
 	struct berval sb_authzId;
+	slap_keepalive sb_keepalive;
 #ifdef HAVE_TLS
 	void *sb_tls_ctx;
 	char *sb_tls_cert;
@@ -1635,6 +1642,14 @@ typedef struct slap_cf_aux_table {
 	void *aux;
 } slap_cf_aux_table;
 
+typedef int 
+slap_cf_aux_table_parse_x LDAP_P((
+	struct berval *val,
+	void *bc,
+	slap_cf_aux_table *tab0,
+	const char *tabmsg,
+	int unparse ));
+
 typedef int 
 slap_cf_aux_table_parse_x LDAP_P((
 	struct berval *val,