Add LDAP_OPT_X_TLS_PACKAGE

to return the name of the underlying TLS implementation

include/ldap.h

@@ -157,6 +157,7 @@ LDAP_BEGIN_DECL
 #define LDAP_OPT_X_TLS_DHFILE		0x600e
 #define LDAP_OPT_X_TLS_NEWCTX		0x600f
 #define LDAP_OPT_X_TLS_CRLFILE		0x6010	/* GNUtls only */
+#define LDAP_OPT_X_TLS_PACKAGE		0x6011
 
 #define LDAP_OPT_X_TLS_NEVER	0
 #define LDAP_OPT_X_TLS_HARD		1

libraries/libldap/tls2.c

@@ -578,6 +578,11 @@ ldap_pvt_tls_get_option( LDAP *ld, int option, void *arg )
 {
 	struct ldapoptions *lo;
 
+	if( option == LDAP_OPT_X_TLS_PACKAGE ) {
+		*(char **)arg = LDAP_STRDUP( tls_imp->ti_name );
+		return 0;
+	}
+
 	if( ld != NULL ) {
 		assert( LDAP_VALID( ld ) );