guile/tests/x509-auth.scm

   1 ;;; GnuTLS --- Guile bindings for GnuTLS.
   2 ;;; Copyright (C) 2007-2012 Free Software Foundation, Inc.
   3 ;;;
   4 ;;; GnuTLS is free software; you can redistribute it and/or
   5 ;;; modify it under the terms of the GNU Lesser General Public
   6 ;;; License as published by the Free Software Foundation; either
   7 ;;; version 2.1 of the License, or (at your option) any later version.
   8 ;;;
   9 ;;; GnuTLS is distributed in the hope that it will be useful,
  10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 ;;; Lesser General Public License for more details.
  13 ;;;
  14 ;;; You should have received a copy of the GNU Lesser General Public
  15 ;;; License along with GnuTLS; if not, write to the Free Software
  16 ;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 ;;; Written by Ludovic Courtès <ludo@chbouib.org>.
  19
  20
  21 ;;;
  22 ;;; Test session establishment using X.509 certificate authentication.
  23 ;;; Based on `openpgp-auth.scm'.
  24 ;;;
  25
  26 (use-modules (gnutls)
  27              (gnutls build tests)
  28              (srfi srfi-4))
  29
  30
  31 ;; TLS session settings (using the deprecated method).
  32 (define %protos  (list protocol/tls-1.0))
  33 (define %certs   (list certificate-type/x509))
  34 (define %ciphers (list cipher/null cipher/arcfour cipher/aes-128-cbc
  35                        cipher/aes-256-cbc))
  36 (define %kx      (list kx/rsa kx/rsa-export kx/dhe-dss kx/dhe-dss))
  37 (define %macs    (list mac/sha1 mac/rmd160 mac/md5))
  38
  39 ;; Message sent by the client.
  40 (define %message
  41   (cons "hello, world!" (iota 4444)))
  42
  43 (define (import-something import-proc file fmt)
  44   (let* ((path (search-path %load-path file))
  45          (size (stat:size (stat path)))
  46          (raw  (make-u8vector size)))
  47     (uniform-vector-read! raw (open-input-file path))
  48     (import-proc raw fmt)))
  49
  50 (define (import-key import-proc file)
  51   (import-something import-proc file x509-certificate-format/pem))
  52
  53 (define (import-rsa-params file)
  54   (import-something pkcs1-import-rsa-parameters file
  55                     x509-certificate-format/pem))
  56
  57 (define (import-dh-params file)
  58   (import-something pkcs3-import-dh-parameters file
  59                     x509-certificate-format/pem))
  60
  61 ;; Debugging.
  62 ;; (set-log-level! 3)
  63 ;; (set-log-procedure! (lambda (level str)
  64 ;;                       (format #t "[~a|~a] ~a" (getpid) level str)))
  65
  66 (run-test
  67     (lambda ()
  68       (let ((socket-pair (socketpair PF_UNIX SOCK_STREAM 0))
  69             (pub         (import-key import-x509-certificate
  70                                      "x509-certificate.pem"))
  71             (sec         (import-key import-x509-private-key
  72                                      "x509-key.pem")))
  73         (let ((pid (primitive-fork)))
  74           (if (= 0 pid)
  75
  76               (let ((client (make-session connection-end/client))
  77                     (cred   (make-certificate-credentials)))
  78                 ;; client-side (child process)
  79                 (set-session-default-priority! client)
  80                 (set-session-certificate-type-priority! client %certs)
  81                 (set-session-kx-priority! client %kx)
  82                 (set-session-protocol-priority! client %protos)
  83                 (set-session-cipher-priority! client %ciphers)
  84                 (set-session-mac-priority! client %macs)
  85
  86                 (set-certificate-credentials-x509-keys! cred (list pub) sec)
  87                 (set-session-credentials! client cred)
  88                 (set-session-dh-prime-bits! client 1024)
  89
  90                 (set-session-transport-fd! client (fileno (car socket-pair)))
  91
  92                 (handshake client)
  93                 (write %message (session-record-port client))
  94                 (bye client close-request/rdwr)
  95
  96                 (primitive-exit))
  97
  98               (let ((server (make-session connection-end/server))
  99                     (rsa    (import-rsa-params "rsa-parameters.pem"))
 100                     (dh     (import-dh-params "dh-parameters.pem")))
 101                 ;; server-side
 102                 (set-session-default-priority! server)
 103                 (set-session-certificate-type-priority! server %certs)
 104                 (set-session-kx-priority! server %kx)
 105                 (set-session-protocol-priority! server %protos)
 106                 (set-session-cipher-priority! server %ciphers)
 107                 (set-session-mac-priority! server %macs)
 108                 (set-server-session-certificate-request! server
 109                          certificate-request/require)
 110
 111                 (set-session-transport-fd! server (fileno (cdr socket-pair)))
 112                 (let ((cred (make-certificate-credentials))
 113                       (trust-file (search-path %load-path
 114                                                "x509-certificate.pem"))
 115                       (trust-fmt  x509-certificate-format/pem))
 116                   (set-certificate-credentials-dh-parameters! cred dh)
 117                   (set-certificate-credentials-rsa-export-parameters! cred rsa)
 118                   (set-certificate-credentials-x509-keys! cred (list pub) sec)
 119                   (set-certificate-credentials-x509-trust-file! cred
 120                                                                 trust-file
 121                                                                 trust-fmt)
 122                   (set-session-credentials! server cred))
 123                 (set-session-dh-prime-bits! server 1024)
 124
 125                 (handshake server)
 126                 (let ((msg (read (session-record-port server)))
 127                       (auth-type (session-authentication-type server)))
 128                   (bye server close-request/rdwr)
 129                   (and (eq? auth-type credentials/certificate)
 130                        (equal? msg %message)))))))))
 131
 132 ;;; arch-tag: 1f88f835-a5c8-4fd6-94b6-5a13571ba03d