138 lines
4.6 KiB
Racket
138 lines
4.6 KiB
Racket
#lang racket/base
|
|
|
|
(require net/dns rackunit)
|
|
(require net/private/rr-srv)
|
|
|
|
;; internal tests
|
|
|
|
(define mx-response-with-cname
|
|
'(;; random ID
|
|
0 187
|
|
;; QR Opcode AA TC RD RA Z RCODE
|
|
;; 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0
|
|
129 128
|
|
;; QDCOUNT
|
|
0 1
|
|
;; ANSCOUNT
|
|
0 1
|
|
;; NSCOUNT
|
|
0 1
|
|
;; ARCOUNT
|
|
0 0
|
|
;; QNAME (stat.ethz.ch)
|
|
4 115 116 97 116
|
|
4 101 116 104 122
|
|
2 99 104 0
|
|
;; QTYPE (MX)
|
|
0 15
|
|
;; QCLASS (IN)
|
|
0 1
|
|
;; NAME (pointer)
|
|
;; 1100000000001100
|
|
192 12
|
|
;; TYPE: CNAME
|
|
0 5
|
|
;; CLASS
|
|
0 1
|
|
;; TTL
|
|
0 0
|
|
4 79
|
|
;; RDLENGTH
|
|
0 19
|
|
;; RDATA
|
|
11 109 97 103 101 108 108 97 110 45 48 54
|
|
4 109 97 116 104
|
|
192 17
|
|
;; NAME (pointer)
|
|
192 17
|
|
;; TYPE: SOA
|
|
0 6
|
|
;; CLASS
|
|
0 1
|
|
;; TTL
|
|
0 0 1 90
|
|
;; RDLENGTH & DATA
|
|
0 44 8 100 117 109 109 121 45
|
|
110 115 192 17 10 104 111 115 116 109
|
|
97 115 116 101 114 192 17 119 168 176
|
|
33 0 0 42 48 0 0 14 16 0 27 175 128 0 0 2 88))
|
|
|
|
(require (only-in rackunit require/expose) net/private/ip)
|
|
(require/expose net/dns (ip->in-addr.arpa ip->ip6.arpa
|
|
parse-reply parse-mx-response))
|
|
|
|
(define-values (_1 _2 mx-ans mx-nss _3 _4)
|
|
(parse-reply '(0 187 129 128) mx-response-with-cname))
|
|
|
|
(define (internal-tests)
|
|
(check-equal? (ip->in-addr.arpa (ipv4 (bytes 8 8 8 8)))
|
|
"8.8.8.8.in-addr.arpa")
|
|
(check-equal? (ip->in-addr.arpa (ipv4 (bytes 127 0 0 1)))
|
|
"1.0.0.127.in-addr.arpa")
|
|
(check-equal? (ip->ip6.arpa (make-ip-address "4321:0:1:2:3:4:567:89ab"))
|
|
(string-append "b.a.9.8.7.6.5.0.4.0.0.0.3.0.0.0"
|
|
".2.0.0.0.1.0.0.0.0.0.0.0.1.2.3.4.ip6.arpa"))
|
|
(check-equal? (ip->ip6.arpa (make-ip-address "2001:db8::567:89ab"))
|
|
(string-append "b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0"
|
|
".0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa"))
|
|
;; FIXME: may need to change if SOA handling in net/dns
|
|
;; changes (see FIXME there)
|
|
(check-equal? (parse-mx-response mx-ans mx-nss mx-response-with-cname "stat.ethz.ch")
|
|
"stat.ethz.ch"))
|
|
|
|
;; Constants for testing. These can go out of sync
|
|
;; when server setups change, so keep them up-to-date.
|
|
(define *google-dns* "8.8.8.8")
|
|
(define *google-dns-2* "8.8.4.4")
|
|
(define *nwu-url* "eecs.northwestern.edu")
|
|
(define *nwu-ips* '("129.105.8.227" "129.105.5.15" "129.105.8.237"))
|
|
(define *racket-host* "winooski.ccs.neu.edu")
|
|
(define *racket-ip* "129.10.115.117")
|
|
(define *nwu-mx* '("cuda.eecs.northwestern.edu" "barra.eecs.northwestern.edu"))
|
|
(define *kame-url* "www.kame.net")
|
|
(define *kame-ip* "2001:200:dff:fff1:216:3eff:feb1:44d7")
|
|
(define *xmpp-client* (srv-rr 0 0 5222 "xmpp.racket-lang.org"))
|
|
|
|
(define (nameserver-tests nameserver)
|
|
(check member (dns-get-address nameserver *nwu-url*) *nwu-ips*)
|
|
(check-equal? (dns-get-address nameserver *racket-host*) *racket-ip*)
|
|
(check-equal? (dns-get-address nameserver *kame-url* #:ipv6? #t) *kame-ip*)
|
|
(check-equal? (dns-get-name nameserver *racket-ip*) *racket-host*)
|
|
(check member (dns-get-mail-exchanger nameserver *nwu-url*) *nwu-mx*)
|
|
(check-equal? (dns-get-srv nameserver "racket-lang.org" "xmpp-client") (list *xmpp-client*))
|
|
(check-equal? (dns-get-srv nameserver "nonexistent-srv-record.racket-lang.org" "xmpp-client")
|
|
'()))
|
|
|
|
(define (srv-tests)
|
|
(define srv-xmpp-8020-srv-rr
|
|
'((#"_xmpp-client._tcp.leastfixedpoint.com" srv in 62917
|
|
(0 0
|
|
0 0
|
|
20 102
|
|
4 120 109 112 112 13 101 105 103 104 116 121 45 116 119 101 110 116 121 3 111 114 103 0))))
|
|
(define srv-xmpp-8020-reply
|
|
'(0 185 129 128
|
|
0 1
|
|
0 1
|
|
0 3
|
|
0 0
|
|
12 95 120 109 112 112 45 99 108 105 101 110 116 4 95 116 99 112 15 108
|
|
101 97 115 116 102 105 120 101 100 112 111 105 110 116 3 99 111 109 0 0
|
|
33 0 1 192 12 0 33 0 1 0 1 7 160 0 30 0 0 0 0 20 102 4 120 109 112 112
|
|
13 101 105 103 104 116 121 45 116 119 101 110 116 121 3 111 114 103 0 192
|
|
30 0 2 0 1 0 1 51 30 0 13 1 98 2 110 115 5 106 111 107 101 114 192 46 192
|
|
30 0 2 0 1 0 1 51 30 0 4 1 99 192 111 192 30 0 2 0 1 0 1 51 30 0 4 1 97 192 111))
|
|
(check-equal? (parse-srv-rr srv-xmpp-8020-srv-rr srv-xmpp-8020-reply)
|
|
(list (srv-rr 0 0 5222 "xmpp.eighty-twenty.org"))))
|
|
|
|
(provide tests)
|
|
(module+ main (tests))
|
|
(define (tests)
|
|
(internal-tests)
|
|
(nameserver-tests *google-dns*)
|
|
(nameserver-tests *google-dns-2*)
|
|
(srv-tests)
|
|
(let ([ns (dns-find-nameserver)]) (when ns (nameserver-tests ns))))
|
|
|
|
(module+ test (require (submod ".." main))) ; for raco test & drdr
|