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sctp-imh-tests.scm
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sctp-imh-tests.scm
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;;;
;;; Copyright (C) 2003, 2004, 2005 M. Tuexen [email protected]
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or
;;; without modification, are permitted provided that the
;;; following conditions are met:
;;; 1. Redistributions of source code must retain the above
;;; copyright notice, this list of conditions and the
;;; following disclaimer.
;;; 2. Redistributions in binary form must reproduce the
;;; above copyright notice, this list of conditions and
;;; the following disclaimer in the documentation and/or
;;; other materials provided with the distribution.
;;; 3. Neither the name of the project nor the names of
;;; its contributors may be used to endorse or promote
;;; products derived from this software without specific
;;; prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS
;;; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
;;; BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
;;; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;;; DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS
;;; BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
;;; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;;; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
;;; IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
;;; USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
;;; OF SUCH DAMAGE.
;;; $Id: sctp-imh-tests.scm,v 1.6 2010/03/02 12:08:22 tuexen Exp $
;;; Version 1.0
;;;
;;; Invalid Message Handling (IMH)
;;;
(define (sctp-imh-i-3-1 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(begin
(sctp-send (make-common-header local-port peer-port 0)
(vector (make-chunk 1 0 (vector 1)))
peer-addr)
(let ((result (sctp-receive 1000)))
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
(let ((chunk (vector-ref (cadr result) 0)))
(if (abort-chunk? chunk)
stt-test-result-passed
stt-test-result-failed)))))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;; (sctp-imh-i-3-1 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if the SUT does not send an INIT-ACK
;;; and sends possibly an ABORT.
(define (sctp-imh-i-3-2 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if (not peer-server?)
(let* ((tcb (sctp-receive-chunk init-chunk?))
(common-header (get-header tcb))
(local-port (get-destination-port common-header))
(peer-port (get-source-port common-header))
(init-chunk (vector-ref (cadr tcb) 0)))
(sctp-send (make-common-header local-port peer-port (get-initiate-tag init-chunk))
(vector (make-chunk 2 0 (vector 1 2 3 4 5)))
peer-addr)
(let ((result (sctp-receive 1000)))
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
(let ((chunk (vector-ref (cadr result) 0)))
(if (or (init-chunk? chunk)
(abort-chunk? chunk))
stt-test-result-passed
stt-test-result-failed)))))
stt-test-result-not-applicable))
;;; The SUT needs to be a client
;;; (sctp-imh-i-3-2 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if the SUT does not send a COOKIE-ECHO
;;; chunk and possibly sends an ABORT.
(define (sctp-imh-i-3-3 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(let ((local-tag (choose-local-tag))
(local-tsn (random (expt 2 32))))
(sctp-send (make-common-header local-port peer-port 0)
(vector (make-init-chunk local-tag 1500 tester-os tester-mis local-tsn (if (equal? tester-addr-1 tester-addr-2)
(vector)
(vector (make-ipv4-address-parameter tester-addr-1)
(make-ipv4-address-parameter tester-addr-2)))))
peer-addr)
(let* ((answer (sctp-receive-chunk init-ack-chunk?))
(init-ack (vector-ref (cadr answer) 0))
(parameters (get-parameters init-ack))
(state-cookie (vector-find parameters cookie-parameter?))
(peer-tag (get-initiate-tag init-ack))
(header (make-common-header local-port peer-port peer-tag)))
;; Send the COOKIE-ECHO with wrong V-tag.
(sctp-send (make-common-header local-port peer-port (1+mod32 (get-verification-tag header)))
(vector (make-cookie-echo-chunk (get-cookie-parameter-cookie state-cookie)))
peer-addr)
(let ((result (sctp-receive 1000)))
(sctp-send header
(vector (make-abort-chunk #f))
peer-addr)
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
stt-test-result-failed))))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;; (sctp-imh-i-3-3 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if the peer returns no packet in response to the COOKIE-ECHO.
(define (sctp-imh-i-3-4 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(let ((local-tag (choose-local-tag))
(local-tsn (random (expt 2 32))))
(sctp-send-without-crc32c (make-common-header local-port peer-port 0)
(vector (make-init-chunk local-tag 1500 tester-os tester-mis local-tsn (if (equal? tester-addr-1 tester-addr-2)
(vector)
(vector (make-ipv4-address-parameter tester-addr-1)
(make-ipv4-address-parameter tester-addr-2)))))
peer-addr)
(let ((result (sctp-receive 1000)))
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
(let ((chunk (vector-ref (cadr result) 0)))
(if (pktdrop-chunk? chunk)
stt-test-result-passed
stt-test-result-failed)))))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;; (sctp-imh-i-3-4 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if there is no INIT-ACK sent by the SUT
;;; or a PKTDROP report is sent.
(define (sctp-imh-i-3-5 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(let ((local-tag (random (expt 2 32)))
(local-tsn (random (expt 2 32))))
(sctp-send (make-common-header local-port peer-port 0)
(vector (make-init-chunk local-tag 1500 tester-os tester-mis local-tsn (if (equal? tester-addr-1 tester-addr-2)
(vector)
(vector (make-ipv4-address-parameter tester-addr-1)
(make-ipv4-address-parameter tester-addr-2)))))
peer-addr)
(let* ((answer (sctp-receive-chunk init-ack-chunk?))
(init-ack (vector-ref (cadr answer) 0))
(parameters (get-parameters init-ack))
(state-cookie (vector-find parameters cookie-parameter?))
(peer-tag (get-initiate-tag init-ack))
(header (make-common-header local-port peer-port peer-tag))
(cookie (get-cookie-parameter-cookie state-cookie)))
;; Send the COOKIE-ECHO with modified cookie.
(vector-set! cookie 2 (modulo (+ (vector-ref cookie 2) 1) 256))
(sctp-send header
(vector (make-cookie-echo-chunk cookie))
peer-addr)
(let ((result (sctp-receive 1000)))
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
stt-test-result-failed))))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;;(sctp-imh-i-3-5 sut-is=server sut-addr tester-port sut-port)
;;; The test is passed if the SUT returns no packet in response to the COOKIE-ECHO.
(define (sctp-imh-i-3-6 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(let ((local-tag (choose-local-tag))
(local-tsn (random (expt 2 32))))
(sctp-send (make-common-header local-port peer-port 0)
(vector (make-init-chunk local-tag 1500 tester-os tester-mis local-tsn (if (equal? tester-addr-1 tester-addr-2)
(vector)
(vector (make-ipv4-address-parameter tester-addr-1)
(make-ipv4-address-parameter tester-addr-2)))))
peer-addr)
(let* ((answer (sctp-receive-chunk init-ack-chunk?))
(init-ack (vector-ref (cadr answer) 0))
(parameters (get-parameters init-ack))
(state-cookie (vector-find parameters cookie-parameter?))
(peer-tag (get-initiate-tag init-ack))
(header (make-common-header local-port peer-port peer-tag)))
;; delay the sending of the cookie echo.
(sleep tester-long-wait)
(sctp-send header
(vector (make-cookie-echo-chunk (get-cookie-parameter-cookie state-cookie)))
peer-addr)
(sctp-receive-chunk error-chunk?)
(sctp-send header
(vector (make-abort-chunk #f))
peer-addr)
stt-test-result-passed))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;; (sctp-imh-i-3-6 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if the COOKIE-ECHO is responded with
;;; an ERROR chunk.
(define (sctp-imh-i-3-7 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
;; set up a asscociation first.
(let* ((tcb (if peer-server?
(associate-from-port peer-addr local-port peer-port tester-os tester-mis)
(accept-association tester-os tester-mis)))
(header (get-header tcb))
(peer-addr (get-peer-addr tcb))
(local-port (get-source-port header)))
;; Sending an ABORT chunk with incorrect vtag.
(sctp-send (make-common-header local-port peer-port (1+mod32 (get-verification-tag header)))
(vector (make-abort-chunk #f))
peer-addr)
;; send a HEARTBEAT to see if the peer has removed the TCB.
(sctp-send header
(vector (make-heartbeat-chunk (make-heartbeat-parameter (make-ascii-bytes "Test"))))
peer-addr)
(sctp-receive-chunk heartbeat-ack-chunk?)
(sctp-send header
(vector (make-abort-chunk #f))
peer-addr)
stt-test-result-passed))
;;; (sctp-imh-i-3-7 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if an HEARTBEAT-ACK is returned.
(define (sctp-imh-i-3-8 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
(if peer-server?
(begin
(sctp-send-raw (make-common-header local-port peer-port 0)
(vector 01 00 00 255 ;; tag=1; flags=0; length=255
00 00 00 01 ;; initiate_tag = 1
00 00 05 220 ;; a_rwnd = 1500
00 02 00 02 ;; os = 2; mis = 2
00 00 00 00) ;; initial_tsn = 0
peer-addr)
(let ((result (sctp-receive 1000)))
(if (equal? result (list #f #f #f #f #f))
stt-test-result-passed
(let ((chunk (vector-ref (cadr result) 0)))
(if (abort-chunk? chunk)
stt-test-result-passed
stt-test-result-failed)))))
stt-test-result-not-applicable))
;;; The SUT needs to be a server.
;;; (sctp-imh-i-3-8 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if there is no INIT-ACK sent by the peer.
(define (sctp-imh-i-3-9 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
;; set up a asscociation first.
(let* ((tcb (if peer-server?
(associate-from-port peer-addr local-port peer-port tester-os tester-mis)
(accept-association tester-os tester-mis)))
(header (get-header tcb))
(local-tsn (get-local-tsn tcb))
(peer-addr (get-peer-addr tcb))
(peer-tsn (get-remote-tsn tcb)))
;; Send a DATA chunk to the echo server.
(if (not (= peer-port 13))
(sctp-send header
(vector (make-data-chunk local-tsn 1 0 test-ppid test-message))
peer-addr))
;; Wait for the DATA chunk to receive.
(sctp-receive-chunk data-chunk?)
;; Acknowledge it.
(sctp-send header
(vector (make-sack-chunk peer-tsn 0 #() #()))
peer-addr)
(sctp-receive-chunk shutdown-chunk?)
;; send the SHUTDOWN-ACK with wrong v-tag.
(sctp-send (make-common-header local-port peer-port (1+mod32 (get-verification-tag header)))
(vector (make-shutdown-ack-chunk))
peer-addr)
(sctp-receive-chunk shutdown-chunk?)
(sctp-send header
(vector (make-abort-chunk #f))
peer-addr)
stt-test-result-passed))
;;; The SUT needs to be a daytime server.
;;; (sctp-imh-i-3-9 sut-addr tester-port sut-port)
;;; The test is passed if the SHUTDOWN is retransmitted.
(define (sctp-imh-i-3-10 peer-server? peer-addr local-port peer-port)
(sctp-cleanup)
;; set up a asscociation first.
(let* ((tcb (if peer-server?
(associate-from-port peer-addr local-port peer-port tester-os tester-mis)
(accept-association tester-os tester-mis)))
(header (get-header tcb))
(local-tsn (get-local-tsn tcb))
(peer-addr (get-peer-addr tcb))
(peer-tsn (get-remote-tsn tcb)))
(sctp-send header
(vector (make-shutdown-chunk (1-mod32 peer-tsn)))
peer-addr)
(sctp-receive-chunk shutdown-ack-chunk?)
(sctp-send (make-common-header local-port peer-port (1+mod32 (get-verification-tag header)))
(vector (make-shutdown-complete-chunk #f))
peer-addr)
(sctp-receive-chunk shutdown-ack-chunk?)
(sctp-send header
(vector (make-abort-chunk #f))
peer-addr)
stt-test-result-passed))
;;; (sctp-imh-i-3-10 sut-is-server sut-addr tester-port sut-port)
;;; The test is passed if SHUTDOWN-ACK chunks are being retransmitted.