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;;; GnuTLS --- Guile bindings for GnuTLS.
;;; Copyright (C) 2022 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 handling of premature session termination on the client side while
;;; reading from a session record port.
;;;
(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 ()
(let ((socket-pair (socketpair PF_UNIX SOCK_STREAM 0)))
(with-child-process pid
;; server-side
(let ((server (make-session connection-end/server)))
(close-port (car socket-pair)) ;close the client end
(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)
(alarm 60) ;time out after a while
(close-port (cdr socket-pair)) ;close prematurely
(zero? (cdr (waitpid pid))))
;; client-side (child process)
(let ((client (make-session connection-end/client)))
(close-port (cdr socket-pair)) ;close the server end
(set-session-priorities! client priorities)
(set-session-server-name! client
server-name-type/dns (gethostname))
(set-session-transport-fd! client (port->fdes (car socket-pair)))
(set-session-credentials! client (make-anonymous-client-credentials))
(set-session-dh-prime-bits! client 1024)
(handshake client)
;; Read from the session record port: instead of getting an
;; 'error/premature-termination' exception, we expect to get EOF.
(let* ((port (session-record-port client))
(read (read port)))
(format #t "client received ~s~%" read)
(primitive-exit (if (eof-object? read) 0 1))))))))
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