;;; GnuTLS --- Guile bindings for GnuTLS.
;;; Copyright (C) 2007-2012, 2014, 2016 Free Software Foundation, Inc.
;;;
;;; GnuTLS is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU Lesser General Public
;;; License as published by the Free Software Foundation; either
;;; version 2.1 of the License, or (at your option) any later version.
;;;
;;; GnuTLS is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Lesser General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with GnuTLS; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Written by Ludovic Courtès <ludo@chbouib.org>.
;;;
;;; Test session establishment using anonymous authentication. Exercise the
;;; `session-record-port' API.
;;;
(use-modules (gnutls)
(gnutls build tests)
(srfi srfi-4))
;; TLS session settings.
(define priorities
"NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH")
;; Message sent by the client.
(define %message (apply u8vector (iota 256)))
(define (import-something import-proc file fmt)
(let* ((path (search-path %load-path file))
(size (stat:size (stat path)))
(raw (make-u8vector size)))
(uniform-vector-read! raw (open-input-file path))
(import-proc raw fmt)))
(define (import-dh-params file)
(import-something pkcs3-import-dh-parameters file
x509-certificate-format/pem))
;; Debugging.
;; (set-log-level! 100)
;; (set-log-procedure! (lambda (level str)
;; (format #t "[~a|~a] ~a" (getpid) level str)))
(run-test
(lambda ()
;; Stress the GC. In 0.0, this triggered an abort due to
;; "scm_unprotect_object called during GC".
(let ((sessions (map (lambda (i)
(make-session connection-end/server))
(iota 123))))
(for-each session-record-port sessions)
(gc)(gc)(gc))
;; Stress the GC. The session associated to each port in PORTS should
;; remain reachable.
(let ((ports (map session-record-port
(map (lambda (i)
(make-session connection-end/server))
(iota 123)))))
(gc)(gc)(gc)
(for-each (lambda (p)
(catch 'gnutls-error
(lambda ()
(read p))
(lambda (key . args)
#t)))
ports))
;; Try using the record port for I/O.
(let ((socket-pair (socketpair PF_UNIX SOCK_STREAM 0)))
(with-child-process pid
;; server-side
(let ((server (make-session connection-end/server)))
(set-session-priorities! server priorities)
(set-session-transport-fd! server (fileno (cdr socket-pair)))
(let ((cred (make-anonymous-server-credentials))
(dh-params (import-dh-params "dh-parameters.pem")))
;; Note: DH parameter generation can take some time.
(set-anonymous-server-dh-parameters! cred dh-params)
(set-session-credentials! server cred))
(set-session-dh-prime-bits! server 1024)
(handshake server)
(let* ((buf (make-u8vector (u8vector-length %message)))
(amount
(uniform-vector-read! buf (session-record-port server))))
(bye server close-request/rdwr)
;; Make sure we got everything right.
(and (eq? (session-record-port server)
(session-record-port server))
(zero? (cdr (waitpid pid)))
(= amount (u8vector-length %message))
(equal? buf %message)
(eof-object?
(read-char (session-record-port server))))))
;; client-side (child process)
(let ((client (make-session connection-end/client)))
(set-session-priorities! client priorities)
(set-session-transport-port! client (car socket-pair))
(set-session-credentials! client (make-anonymous-client-credentials))
(set-session-dh-prime-bits! client 1024)
(handshake client)
(uniform-vector-write %message (session-record-port client))
(bye client close-request/rdwr)
(primitive-exit))))))
;;; arch-tag: e873226a-d0b6-4a93-87ec-a1b5ad2ae8a2