[jackhill/guix/guix.git] / tests / substitute.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (test-substitute)
  #:use-module (guix scripts substitute)
  #:use-module (guix base64)
  #:use-module (guix hash)
  #:use-module (guix serialization)
  #:use-module (guix pk-crypto)
  #:use-module (guix pki)
  #:use-module (guix config)
  #:use-module (guix base32)
  #:use-module ((guix store) #:select (%store-prefix))
  #:use-module ((guix ui) #:select (guix-warning-port))
  #:use-module ((guix build utils)
                #:select (mkdir-p delete-file-recursively))
  #:use-module (guix tests http)
  #:use-module (rnrs bytevectors)
  #:use-module (rnrs io ports)
  #:use-module (web uri)
  #:use-module (ice-9 regex)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-35)
  #:use-module ((srfi srfi-64) #:hide (test-error)))

(define-syntax-rule (test-quit name error-rx exp)
  "Emit a test that passes when EXP throws to 'quit' with value 1, and when
it writes to GUIX-WARNING-PORT a messages that matches ERROR-RX."
  (test-equal name
    '(1 #t)
    (let ((error-output (open-output-string)))
      (parameterize ((guix-warning-port error-output))
        (catch 'quit
          (lambda ()
            exp
            #f)
          (lambda (key value)
            (list value
                  (let ((message (get-output-string error-output)))
                    (->bool (string-match error-rx message))))))))))

(define %public-key
  ;; This key is known to be in the ACL by default.
  (call-with-input-file (string-append %config-directory "/signing-key.pub")
    (compose string->canonical-sexp get-string-all)))

(define %private-key
  (call-with-input-file (string-append %config-directory "/signing-key.sec")
    (compose string->canonical-sexp get-string-all)))

(define* (signature-body bv #:key (public-key %public-key))
  "Return the signature of BV as the base64-encoded body of a narinfo's
'Signature' field."
  (base64-encode
   (string->utf8
    (canonical-sexp->string
     (signature-sexp (bytevector->hash-data (sha256 bv)
                                            #:key-type 'rsa)
                     %private-key
                     public-key)))))

(define %wrong-public-key
  (string->canonical-sexp "(public-key
 (rsa
  (n #00E05873AC2B168760343145918E954EE9AB73C026355693B192E01EE835261AA689E9EF46642E895BCD65C648524059FC450E4BA77A68F4C52D0E39EF0CC9359709AB6AAB153B63782201871325B0FDA19CB401CD99FD0C31A91CA9000AA90A77E82B89E036FB63BC1D3961207469B3B12468977148D376F8012BB12A4B11A8F1#)
  (e #010001#)
  )
 )"))

(define* (signature-field bv-or-str
                          #:key (version "1") (public-key %public-key))
  "Return the 'Signature' field value of bytevector/string BV-OR-STR, using
PUBLIC-KEY as the signature's principal, and using VERSION as the signature
version identifier.."
  (string-append version ";example.gnu.org;"
                 (signature-body (if (string? bv-or-str)
                                     (string->utf8 bv-or-str)
                                     bv-or-str)
                                 #:public-key public-key)))


\f
(test-begin "substitute")

(test-quit "not a number"
    "signature version"
  (narinfo-signature->canonical-sexp
   (signature-field "foo" #:version "not a number")))

(test-quit "wrong version number"
    "unsupported.*version"
  (narinfo-signature->canonical-sexp
   (signature-field "foo" #:version "2")))

(test-assert "valid narinfo-signature->canonical-sexp"
  (canonical-sexp? (narinfo-signature->canonical-sexp (signature-field "foo"))))


\f
(define %main-substitute-directory
  ;; The place where 'call-with-narinfo' stores its data by default.
  (uri-path (string->uri (getenv "GUIX_BINARY_SUBSTITUTE_URL"))))

(define %alternate-substitute-directory
  ;; Another place.
  (string-append (dirname %main-substitute-directory)
                 "/substituter-alt-data"))

(define %narinfo
  ;; Skeleton of the narinfo used below.
  (string-append "StorePath: " (%store-prefix)
                 "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo
URL: example.nar
Compression: none
NarHash: sha256:" (bytevector->nix-base32-string
                   (sha256 (string->utf8 "Substitutable data."))) "
NarSize: 42
References: bar baz
Deriver: " (%store-prefix) "/foo.drv
System: mips64el-linux\n"))

(define* (call-with-narinfo narinfo thunk
                            #:optional
                            (narinfo-directory %main-substitute-directory))
  "Call THUNK in a context where the directory at URL is populated with
a file for NARINFO."
  (mkdir-p narinfo-directory)
  (let ((cache-directory (string-append (getenv "XDG_CACHE_HOME")
                                        "/guix/substitute/")))
    (dynamic-wind
      (lambda ()
        (when (file-exists? cache-directory)
          (delete-file-recursively cache-directory))
        (call-with-output-file (string-append narinfo-directory
                                              "/nix-cache-info")
          (lambda (port)
            (format port "StoreDir: ~a\nWantMassQuery: 0\n"
                    (%store-prefix))))
        (call-with-output-file (string-append narinfo-directory "/"
                                              "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
                                              ".narinfo")
          (cut display narinfo <>))

        ;; Prepare the nar.
        (call-with-output-file
            (string-append narinfo-directory "/example.out")
          (cut display "Substitutable data." <>))
        (call-with-output-file
            (string-append narinfo-directory "/example.nar")
          (cute write-file
                (string-append narinfo-directory "/example.out") <>))

        (set! (@@ (guix scripts substitute)
                  %allow-unauthenticated-substitutes?)
              #f))
      thunk
      (lambda ()
        (when (file-exists? cache-directory)
          (delete-file-recursively cache-directory))))))

(define-syntax-rule (with-narinfo narinfo body ...)
  (call-with-narinfo narinfo (lambda () body ...)))

(define-syntax-rule (with-narinfo* narinfo directory body ...)
  (call-with-narinfo narinfo (lambda () body ...) directory))

;; Transmit these options to 'guix substitute'.
(substitute-urls (list (getenv "GUIX_BINARY_SUBSTITUTE_URL")))

(test-equal "query narinfo without signature"
  ""                                              ; not substitutable

  (with-narinfo %narinfo
    (string-trim-both
     (with-output-to-string
       (lambda ()
         (with-input-from-string (string-append "have " (%store-prefix)
                                                "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
           (lambda ()
             (guix-substitute "--query"))))))))

(test-equal "query narinfo with invalid hash"
  ;; The hash in the signature differs from the hash of %NARINFO.
  ""

  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field "different body")
                               "\n")
    (string-trim-both
     (with-output-to-string
       (lambda ()
         (with-input-from-string (string-append "have " (%store-prefix)
                                                "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
           (lambda ()
             (guix-substitute "--query"))))))))

(test-equal "query narinfo signed with authorized key"
  (string-append (%store-prefix) "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")

  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field %narinfo)
                               "\n")
    (string-trim-both
     (with-output-to-string
       (lambda ()
         (with-input-from-string (string-append "have " (%store-prefix)
                                                "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
           (lambda ()
             (guix-substitute "--query"))))))))

(test-equal "query narinfo signed with unauthorized key"
  ""                                              ; not substitutable

  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field
                                %narinfo
                                #:public-key %wrong-public-key)
                               "\n")
    (string-trim-both
     (with-output-to-string
       (lambda ()
         (with-input-from-string (string-append "have " (%store-prefix)
                                                "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
           (lambda ()
             (guix-substitute "--query"))))))))

(test-quit "substitute, no signature"
    "no valid substitute"
  (with-narinfo %narinfo
    (guix-substitute "--substitute"
                     (string-append (%store-prefix)
                                    "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                     "foo")))

(test-quit "substitute, invalid hash"
    "no valid substitute"
  ;; The hash in the signature differs from the hash of %NARINFO.
  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field "different body")
                               "\n")
    (guix-substitute "--substitute"
                     (string-append (%store-prefix)
                                    "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                     "foo")))

(test-quit "substitute, unauthorized key"
    "no valid substitute"
  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field
                                %narinfo
                                #:public-key %wrong-public-key)
                               "\n")
    (guix-substitute "--substitute"
                     (string-append (%store-prefix)
                                    "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                     "foo")))

(test-equal "substitute, authorized key"
  "Substitutable data."
  (with-narinfo (string-append %narinfo "Signature: "
                               (signature-field %narinfo))
    (dynamic-wind
      (const #t)
      (lambda ()
        (guix-substitute "--substitute"
                         (string-append (%store-prefix)
                                        "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                         "substitute-retrieved")
        (call-with-input-file "substitute-retrieved" get-string-all))
      (lambda ()
        (false-if-exception (delete-file "substitute-retrieved"))))))

(test-equal "substitute, unauthorized narinfo comes first"
  "Substitutable data."
  (with-narinfo*
      (string-append %narinfo "Signature: "
                     (signature-field
                      %narinfo
                      #:public-key %wrong-public-key))
      %alternate-substitute-directory

    (with-narinfo* (string-append %narinfo "Signature: "
                                  (signature-field %narinfo))
        %main-substitute-directory

      (dynamic-wind
        (const #t)
        (lambda ()
          ;; Remove this file so that the substitute can only be retrieved
          ;; from %ALTERNATE-SUBSTITUTE-DIRECTORY.
          (delete-file (string-append %main-substitute-directory
                                      "/example.nar"))

          (parameterize ((substitute-urls
                          (map (cut string-append "file://" <>)
                               (list %alternate-substitute-directory
                                     %main-substitute-directory))))
            (guix-substitute "--substitute"
                             (string-append (%store-prefix)
                                            "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                             "substitute-retrieved"))
          (call-with-input-file "substitute-retrieved" get-string-all))
        (lambda ()
          (false-if-exception (delete-file "substitute-retrieved")))))))

(test-equal "substitute, unsigned narinfo comes first"
  "Substitutable data."
  (with-narinfo* %narinfo                         ;not signed!
      %alternate-substitute-directory

    (with-narinfo* (string-append %narinfo "Signature: "
                                  (signature-field %narinfo))
        %main-substitute-directory

      (dynamic-wind
        (const #t)
        (lambda ()
          ;; Remove this file so that the substitute can only be retrieved
          ;; from %ALTERNATE-SUBSTITUTE-DIRECTORY.
          (delete-file (string-append %main-substitute-directory
                                      "/example.nar"))

          (parameterize ((substitute-urls
                          (map (cut string-append "file://" <>)
                               (list %alternate-substitute-directory
                                     %main-substitute-directory))))
            (guix-substitute "--substitute"
                             (string-append (%store-prefix)
                                            "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                             "substitute-retrieved"))
          (call-with-input-file "substitute-retrieved" get-string-all))
        (lambda ()
          (false-if-exception (delete-file "substitute-retrieved")))))))

(test-equal "substitute, first narinfo is unsigned and has wrong hash"
  "Substitutable data."
  (with-narinfo* (regexp-substitute #f
                                    (string-match "NarHash: [[:graph:]]+"
                                                  %narinfo)
                                    'pre
                                    "NarHash: sha256:"
                                    (bytevector->nix-base32-string
                                     (make-bytevector 32))
                                    'post)
      %alternate-substitute-directory

    (with-narinfo* (string-append %narinfo "Signature: "
                                  (signature-field %narinfo))
        %main-substitute-directory

      (dynamic-wind
        (const #t)
        (lambda ()
          ;; This time remove the file so that the substitute can only be
          ;; retrieved from %MAIN-SUBSTITUTE-DIRECTORY.
          (delete-file (string-append %alternate-substitute-directory
                                      "/example.nar"))

          (parameterize ((substitute-urls
                          (map (cut string-append "file://" <>)
                               (list %alternate-substitute-directory
                                     %main-substitute-directory))))
            (guix-substitute "--substitute"
                             (string-append (%store-prefix)
                                            "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                             "substitute-retrieved"))
          (call-with-input-file "substitute-retrieved" get-string-all))
        (lambda ()
          (false-if-exception (delete-file "substitute-retrieved")))))))

(test-equal "substitute, first narinfo is unsigned and has wrong refs"
  "Substitutable data."
  (with-narinfo* (regexp-substitute #f
                                    (string-match "References: ([^\n]+)\n"
                                                  %narinfo)
                                    'pre "References: " 1
                                    " wrong set of references\n"
                                    'post)
      %alternate-substitute-directory

    (with-narinfo* (string-append %narinfo "Signature: "
                                  (signature-field %narinfo))
        %main-substitute-directory

      (dynamic-wind
        (const #t)
        (lambda ()
          ;; This time remove the file so that the substitute can only be
          ;; retrieved from %MAIN-SUBSTITUTE-DIRECTORY.
          (delete-file (string-append %alternate-substitute-directory
                                      "/example.nar"))

          (parameterize ((substitute-urls
                          (map (cut string-append "file://" <>)
                               (list %alternate-substitute-directory
                                     %main-substitute-directory))))
            (guix-substitute "--substitute"
                             (string-append (%store-prefix)
                                            "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                             "substitute-retrieved"))
          (call-with-input-file "substitute-retrieved" get-string-all))
        (lambda ()
          (false-if-exception (delete-file "substitute-retrieved")))))))

(test-quit "substitute, two invalid narinfos"
    "no valid substitute"
  (with-narinfo* %narinfo                         ;not signed
      %alternate-substitute-directory

    (with-narinfo* (string-append %narinfo "Signature: " ;unauthorized
                                  (signature-field
                                   %narinfo
                                   #:public-key %wrong-public-key))
        %main-substitute-directory

      (guix-substitute "--substitute"
                       (string-append (%store-prefix)
                                      "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
                       "substitute-retrieved"))))

(test-end "substitute")

;;; Local Variables:
;;; eval: (put 'with-narinfo 'scheme-indent-function 1)
;;; eval: (put 'with-narinfo* 'scheme-indent-function 2)
;;; eval: (put 'test-quit 'scheme-indent-function 2)
;;; End:
Commit	Line	Data
e9c6c584 NK	1	;;; GNU Guix --- Functional package management for GNU
e9c6c584 NK	2	;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org>
a9468b42	3	;;; Copyright © 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
e9c6c584 NK	4	;;;
	5	;;; This file is part of GNU Guix.
	6	;;;
	7	;;; GNU Guix is free software; you can redistribute it and/or modify it
	8	;;; under the terms of the GNU General Public License as published by
	9	;;; the Free Software Foundation; either version 3 of the License, or (at
	10	;;; your option) any later version.
	11	;;;
	12	;;; GNU Guix is distributed in the hope that it will be useful, but
	13	;;; WITHOUT ANY WARRANTY; without even the implied warranty of
	14	;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	;;; GNU General Public License for more details.
	16	;;;
	17	;;; You should have received a copy of the GNU General Public License
	18	;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
	19
2c74fde0 LC	20	(define-module (test-substitute)
2c74fde0 LC	21	#:use-module (guix scripts substitute)
e9c6c584 NK	22	#:use-module (guix base64)
e9c6c584 NK	23	#:use-module (guix hash)
0363991a	24	#:use-module (guix serialization)
e9c6c584 NK	25	#:use-module (guix pk-crypto)
e9c6c584 NK	26	#:use-module (guix pki)
cdea30e0	27	#:use-module (guix config)
e903b7c1	28	#:use-module (guix base32)
cdea30e0	29	#:use-module ((guix store) #:select (%store-prefix))
f84f8590	30	#:use-module ((guix ui) #:select (guix-warning-port))
a9468b42 LC	31	#:use-module ((guix build utils)
	32	#:select (mkdir-p delete-file-recursively))
	33	#:use-module (guix tests http)
e9c6c584	34	#:use-module (rnrs bytevectors)
cdea30e0 LC	35	#:use-module (rnrs io ports)
cdea30e0 LC	36	#:use-module (web uri)
52f80dfc	37	#:use-module (ice-9 regex)
cdea30e0	38	#:use-module (srfi srfi-26)
e9c6c584	39	#:use-module (srfi srfi-34)
52f80dfc	40	#:use-module (srfi srfi-35)
e9c6c584 NK	41	#:use-module ((srfi srfi-64) #:hide (test-error)))
e9c6c584 NK	42
f84f8590 LC	43	(define-syntax-rule (test-quit name error-rx exp)
	44	"Emit a test that passes when EXP throws to 'quit' with value 1, and when
	45	it writes to GUIX-WARNING-PORT a messages that matches ERROR-RX."
cdea30e0	46	(test-equal name
f84f8590 LC	47	'(1 #t)
	48	(let ((error-output (open-output-string)))
	49	(parameterize ((guix-warning-port error-output))
	50	(catch 'quit
	51	(lambda ()
	52	exp
	53	#f)
	54	(lambda (key value)
	55	(list value
	56	(let ((message (get-output-string error-output)))
	57	(->bool (string-match error-rx message))))))))))
e9c6c584 NK	58
e9c6c584 NK	59	(define %public-key
cdea30e0 LC	60	;; This key is known to be in the ACL by default.
	61	(call-with-input-file (string-append %config-directory "/signing-key.pub")
	62	(compose string->canonical-sexp get-string-all)))
e9c6c584 NK	63
e9c6c584 NK	64	(define %private-key
cdea30e0 LC	65	(call-with-input-file (string-append %config-directory "/signing-key.sec")
cdea30e0 LC	66	(compose string->canonical-sexp get-string-all)))
e9c6c584	67
52f80dfc LC	68	(define* (signature-body bv #:key (public-key %public-key))
52f80dfc LC	69	"Return the signature of BV as the base64-encoded body of a narinfo's
cdea30e0	70	'Signature' field."
e9c6c584 NK	71	(base64-encode
	72	(string->utf8
	73	(canonical-sexp->string
52f80dfc	74	(signature-sexp (bytevector->hash-data (sha256 bv)
e9c6c584 NK	75	#:key-type 'rsa)
e9c6c584 NK	76	%private-key
cdea30e0	77	public-key)))))
e9c6c584	78
e9c6c584 NK	79	(define %wrong-public-key
	80	(string->canonical-sexp "(public-key
	81	(rsa
	82	(n #00E05873AC2B168760343145918E954EE9AB73C026355693B192E01EE835261AA689E9EF46642E895BCD65C648524059FC450E4BA77A68F4C52D0E39EF0CC9359709AB6AAB153B63782201871325B0FDA19CB401CD99FD0C31A91CA9000AA90A77E82B89E036FB63BC1D3961207469B3B12468977148D376F8012BB12A4B11A8F1#)
	83	(e #010001#)
	84	)
	85	)"))
	86
52f80dfc LC	87	(define* (signature-field bv-or-str
	88	#:key (version "1") (public-key %public-key))
	89	"Return the 'Signature' field value of bytevector/string BV-OR-STR, using
	90	PUBLIC-KEY as the signature's principal, and using VERSION as the signature
	91	version identifier.."
	92	(string-append version ";example.gnu.org;"
	93	(signature-body (if (string? bv-or-str)
	94	(string->utf8 bv-or-str)
	95	bv-or-str)
	96	#:public-key public-key)))
	97
e9c6c584	98
cdea30e0	99	\f
2c74fde0	100	(test-begin "substitute")
e9c6c584	101
f84f8590 LC	102	(test-quit "not a number"
f84f8590 LC	103	"signature version"
52f80dfc LC	104	(narinfo-signature->canonical-sexp
52f80dfc LC	105	(signature-field "foo" #:version "not a number")))
e9c6c584	106
f84f8590 LC	107	(test-quit "wrong version number"
f84f8590 LC	108	"unsupported.*version"
52f80dfc LC	109	(narinfo-signature->canonical-sexp
52f80dfc LC	110	(signature-field "foo" #:version "2")))
e9c6c584 NK	111
e9c6c584 NK	112	(test-assert "valid narinfo-signature->canonical-sexp"
52f80dfc	113	(canonical-sexp? (narinfo-signature->canonical-sexp (signature-field "foo"))))
e9c6c584	114
e9c6c584	115
cdea30e0	116	\f
a9468b42 LC	117	(define %main-substitute-directory
	118	;; The place where 'call-with-narinfo' stores its data by default.
	119	(uri-path (string->uri (getenv "GUIX_BINARY_SUBSTITUTE_URL"))))
	120
	121	(define %alternate-substitute-directory
	122	;; Another place.
	123	(string-append (dirname %main-substitute-directory)
	124	"/substituter-alt-data"))
	125
e9c6c584	126	(define %narinfo
52f80dfc	127	;; Skeleton of the narinfo used below.
cdea30e0 LC	128	(string-append "StorePath: " (%store-prefix)
cdea30e0 LC	129	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo
e903b7c1 LC	130	URL: example.nar
	131	Compression: none
	132	NarHash: sha256:" (bytevector->nix-base32-string
	133	(sha256 (string->utf8 "Substitutable data."))) "
e9c6c584 NK	134	NarSize: 42
e9c6c584 NK	135	References: bar baz
cdea30e0 LC	136	Deriver: " (%store-prefix) "/foo.drv
cdea30e0 LC	137	System: mips64el-linux\n"))
e9c6c584	138
a9468b42 LC	139	(define* (call-with-narinfo narinfo thunk
	140	#:optional
	141	(narinfo-directory %main-substitute-directory))
	142	"Call THUNK in a context where the directory at URL is populated with
cdea30e0	143	a file for NARINFO."
a9468b42 LC	144	(mkdir-p narinfo-directory)
	145	(let ((cache-directory (string-append (getenv "XDG_CACHE_HOME")
	146	"/guix/substitute/")))
cdea30e0 LC	147	(dynamic-wind
	148	(lambda ()
	149	(when (file-exists? cache-directory)
	150	(delete-file-recursively cache-directory))
	151	(call-with-output-file (string-append narinfo-directory
	152	"/nix-cache-info")
	153	(lambda (port)
	154	(format port "StoreDir: ~a\nWantMassQuery: 0\n"
	155	(%store-prefix))))
	156	(call-with-output-file (string-append narinfo-directory "/"
	157	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
	158	".narinfo")
	159	(cut display narinfo <>))
	160
e903b7c1 LC	161	;; Prepare the nar.
	162	(call-with-output-file
	163	(string-append narinfo-directory "/example.out")
	164	(cut display "Substitutable data." <>))
	165	(call-with-output-file
	166	(string-append narinfo-directory "/example.nar")
	167	(cute write-file
	168	(string-append narinfo-directory "/example.out") <>))
	169
2c74fde0	170	(set! (@@ (guix scripts substitute)
cdea30e0 LC	171	%allow-unauthenticated-substitutes?)
	172	#f))
	173	thunk
	174	(lambda ()
a9468b42 LC	175	(when (file-exists? cache-directory)
a9468b42 LC	176	(delete-file-recursively cache-directory))))))
cdea30e0 LC	177
	178	(define-syntax-rule (with-narinfo narinfo body ...)
	179	(call-with-narinfo narinfo (lambda () body ...)))
	180
a9468b42 LC	181	(define-syntax-rule (with-narinfo* narinfo directory body ...)
	182	(call-with-narinfo narinfo (lambda () body ...) directory))
	183
2c74fde0	184	;; Transmit these options to 'guix substitute'.
218f6ecc	185	(substitute-urls (list (getenv "GUIX_BINARY_SUBSTITUTE_URL")))
cdea30e0	186
e903b7c1 LC	187	(test-equal "query narinfo without signature"
	188	"" ; not substitutable
	189
	190	(with-narinfo %narinfo
	191	(string-trim-both
	192	(with-output-to-string
	193	(lambda ()
	194	(with-input-from-string (string-append "have " (%store-prefix)
	195	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	196	(lambda ()
2c74fde0	197	(guix-substitute "--query"))))))))
e903b7c1	198
cdea30e0	199	(test-equal "query narinfo with invalid hash"
52f80dfc	200	;; The hash in the signature differs from the hash of %NARINFO.
cdea30e0 LC	201	""
cdea30e0 LC	202
52f80dfc LC	203	(with-narinfo (string-append %narinfo "Signature: "
	204	(signature-field "different body")
	205	"\n")
cdea30e0 LC	206	(string-trim-both
	207	(with-output-to-string
	208	(lambda ()
	209	(with-input-from-string (string-append "have " (%store-prefix)
	210	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	211	(lambda ()
2c74fde0	212	(guix-substitute "--query"))))))))
cdea30e0 LC	213
	214	(test-equal "query narinfo signed with authorized key"
	215	(string-append (%store-prefix) "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	216
52f80dfc LC	217	(with-narinfo (string-append %narinfo "Signature: "
	218	(signature-field %narinfo)
	219	"\n")
cdea30e0 LC	220	(string-trim-both
	221	(with-output-to-string
	222	(lambda ()
	223	(with-input-from-string (string-append "have " (%store-prefix)
	224	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	225	(lambda ()
2c74fde0	226	(guix-substitute "--query"))))))))
cdea30e0 LC	227
	228	(test-equal "query narinfo signed with unauthorized key"
	229	"" ; not substitutable
	230
52f80dfc LC	231	(with-narinfo (string-append %narinfo "Signature: "
	232	(signature-field
	233	%narinfo
	234	#:public-key %wrong-public-key)
	235	"\n")
cdea30e0 LC	236	(string-trim-both
	237	(with-output-to-string
	238	(lambda ()
	239	(with-input-from-string (string-append "have " (%store-prefix)
	240	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	241	(lambda ()
2c74fde0	242	(guix-substitute "--query"))))))))
cdea30e0	243
f84f8590	244	(test-quit "substitute, no signature"
a9468b42	245	"no valid substitute"
e903b7c1	246	(with-narinfo %narinfo
2c74fde0 LC	247	(guix-substitute "--substitute"
	248	(string-append (%store-prefix)
	249	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	250	"foo")))
e903b7c1	251
f84f8590	252	(test-quit "substitute, invalid hash"
a9468b42	253	"no valid substitute"
52f80dfc LC	254	;; The hash in the signature differs from the hash of %NARINFO.
	255	(with-narinfo (string-append %narinfo "Signature: "
	256	(signature-field "different body")
	257	"\n")
2c74fde0 LC	258	(guix-substitute "--substitute"
	259	(string-append (%store-prefix)
	260	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	261	"foo")))
cdea30e0	262
f84f8590	263	(test-quit "substitute, unauthorized key"
a9468b42	264	"no valid substitute"
52f80dfc LC	265	(with-narinfo (string-append %narinfo "Signature: "
	266	(signature-field
	267	%narinfo
	268	#:public-key %wrong-public-key)
	269	"\n")
2c74fde0 LC	270	(guix-substitute "--substitute"
	271	(string-append (%store-prefix)
	272	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	273	"foo")))
e9c6c584	274
e903b7c1 LC	275	(test-equal "substitute, authorized key"
	276	"Substitutable data."
	277	(with-narinfo (string-append %narinfo "Signature: "
	278	(signature-field %narinfo))
	279	(dynamic-wind
	280	(const #t)
	281	(lambda ()
2c74fde0 LC	282	(guix-substitute "--substitute"
	283	(string-append (%store-prefix)
	284	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	285	"substitute-retrieved")
e903b7c1 LC	286	(call-with-input-file "substitute-retrieved" get-string-all))
	287	(lambda ()
	288	(false-if-exception (delete-file "substitute-retrieved"))))))
	289
a9468b42 LC	290	(test-equal "substitute, unauthorized narinfo comes first"
	291	"Substitutable data."
	292	(with-narinfo*
	293	(string-append %narinfo "Signature: "
	294	(signature-field
	295	%narinfo
	296	#:public-key %wrong-public-key))
	297	%alternate-substitute-directory
	298
	299	(with-narinfo* (string-append %narinfo "Signature: "
	300	(signature-field %narinfo))
	301	%main-substitute-directory
	302
	303	(dynamic-wind
	304	(const #t)
	305	(lambda ()
	306	;; Remove this file so that the substitute can only be retrieved
	307	;; from %ALTERNATE-SUBSTITUTE-DIRECTORY.
	308	(delete-file (string-append %main-substitute-directory
	309	"/example.nar"))
	310
	311	(parameterize ((substitute-urls
	312	(map (cut string-append "file://" <>)
	313	(list %alternate-substitute-directory
	314	%main-substitute-directory))))
	315	(guix-substitute "--substitute"
	316	(string-append (%store-prefix)
	317	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	318	"substitute-retrieved"))
	319	(call-with-input-file "substitute-retrieved" get-string-all))
	320	(lambda ()
	321	(false-if-exception (delete-file "substitute-retrieved")))))))
	322
	323	(test-equal "substitute, unsigned narinfo comes first"
	324	"Substitutable data."
	325	(with-narinfo* %narinfo ;not signed!
	326	%alternate-substitute-directory
	327
	328	(with-narinfo* (string-append %narinfo "Signature: "
	329	(signature-field %narinfo))
	330	%main-substitute-directory
	331
	332	(dynamic-wind
	333	(const #t)
	334	(lambda ()
	335	;; Remove this file so that the substitute can only be retrieved
	336	;; from %ALTERNATE-SUBSTITUTE-DIRECTORY.
	337	(delete-file (string-append %main-substitute-directory
	338	"/example.nar"))
	339
	340	(parameterize ((substitute-urls
	341	(map (cut string-append "file://" <>)
	342	(list %alternate-substitute-directory
	343	%main-substitute-directory))))
	344	(guix-substitute "--substitute"
	345	(string-append (%store-prefix)
	346	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
	347	"substitute-retrieved"))
	348	(call-with-input-file "substitute-retrieved" get-string-all))
	349	(lambda ()
	350	(false-if-exception (delete-file "substitute-retrieved")))))))
	351
	352	(test-equal "substitute, first narinfo is unsigned and has wrong hash"
	353	"Substitutable data."
354	(with-narinfo* (regexp-substitute #f
355	(string-match "NarHash: [[:graph:]]+"
356	%narinfo)
357	'pre
358	"NarHash: sha256:"
359	(bytevector->nix-base32-string
360	(make-bytevector 32))
361	'post)
362	%alternate-substitute-directory
363
364	(with-narinfo* (string-append %narinfo "Signature: "
365	(signature-field %narinfo))
366	%main-substitute-directory
367
368	(dynamic-wind
369	(const #t)
370	(lambda ()
371	;; This time remove the file so that the substitute can only be
372	;; retrieved from %MAIN-SUBSTITUTE-DIRECTORY.
373	(delete-file (string-append %alternate-substitute-directory
374	"/example.nar"))
375
376	(parameterize ((substitute-urls
377	(map (cut string-append "file://" <>)
378	(list %alternate-substitute-directory
379	%main-substitute-directory))))
380	(guix-substitute "--substitute"
381	(string-append (%store-prefix)
382	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
383	"substitute-retrieved"))
384	(call-with-input-file "substitute-retrieved" get-string-all))
385	(lambda ()
386	(false-if-exception (delete-file "substitute-retrieved")))))))
387
388	(test-equal "substitute, first narinfo is unsigned and has wrong refs"
389	"Substitutable data."
390	(with-narinfo* (regexp-substitute #f
391	(string-match "References: ([^\n]+)\n"
392	%narinfo)
393	'pre "References: " 1
394	" wrong set of references\n"
395	'post)
396	%alternate-substitute-directory
397
398	(with-narinfo* (string-append %narinfo "Signature: "
399	(signature-field %narinfo))
400	%main-substitute-directory
401
402	(dynamic-wind
403	(const #t)
404	(lambda ()
405	;; This time remove the file so that the substitute can only be
406	;; retrieved from %MAIN-SUBSTITUTE-DIRECTORY.
407	(delete-file (string-append %alternate-substitute-directory
408	"/example.nar"))
409
410	(parameterize ((substitute-urls
411	(map (cut string-append "file://" <>)
412	(list %alternate-substitute-directory
413	%main-substitute-directory))))
414	(guix-substitute "--substitute"
415	(string-append (%store-prefix)
416	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
417	"substitute-retrieved"))
418	(call-with-input-file "substitute-retrieved" get-string-all))
419	(lambda ()
420	(false-if-exception (delete-file "substitute-retrieved")))))))
421
422	(test-quit "substitute, two invalid narinfos"
423	"no valid substitute"
424	(with-narinfo* %narinfo ;not signed
425	%alternate-substitute-directory
426
427	(with-narinfo* (string-append %narinfo "Signature: " ;unauthorized
428	(signature-field
429	%narinfo
430	#:public-key %wrong-public-key))
431	%main-substitute-directory
432
433	(guix-substitute "--substitute"
434	(string-append (%store-prefix)
435	"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
436	"substitute-retrieved"))))
437
2c74fde0	438	(test-end "substitute")
e9c6c584	439
cdea30e0 LC	440	;;; Local Variables:
cdea30e0 LC	441	;;; eval: (put 'with-narinfo 'scheme-indent-function 1)
a9468b42	442	;;; eval: (put 'with-narinfo* 'scheme-indent-function 2)
f84f8590	443	;;; eval: (put 'test-quit 'scheme-indent-function 2)
cdea30e0	444	;;; End: