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55b2fc1877
* guix/scripts/substitute.scm (lookup-narinfos/diverse): New procedure. (lookup-narinfo): Use it. (process-query): Change #:cache-url to #:cache-urls. [valid?]: Remove 'narinfo?' check, which is no longer necessary. Use 'lookup-narinfos/diverse' instead of 'lookup-narinfos'. (process-substitution): Change #:cache-url to #:cache-urls. (%cache-url): Rename to... (%cache-urls): ... this. Turn into a list. (guix-substitute): Remove 'getaddrinfo' test with early exit. Adjust calls to 'process-query' and 'process-substitution'. * tests/substitute.scm: Change '%cache-url' to '%cache-urls'.
284 lines
11 KiB
Scheme
284 lines
11 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org>
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;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-substitute)
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#:use-module (guix scripts substitute)
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#:use-module (guix base64)
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#:use-module (guix hash)
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#:use-module (guix serialization)
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#:use-module (guix pk-crypto)
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#:use-module (guix pki)
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#:use-module (guix config)
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#:use-module (guix base32)
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#:use-module ((guix store) #:select (%store-prefix))
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#:use-module ((guix ui) #:select (guix-warning-port))
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#:use-module ((guix build utils) #:select (delete-file-recursively))
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#:use-module (rnrs bytevectors)
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#:use-module (rnrs io ports)
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#:use-module (web uri)
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#:use-module (ice-9 regex)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module ((srfi srfi-64) #:hide (test-error)))
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(define-syntax-rule (test-quit name error-rx exp)
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"Emit a test that passes when EXP throws to 'quit' with value 1, and when
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it writes to GUIX-WARNING-PORT a messages that matches ERROR-RX."
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(test-equal name
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'(1 #t)
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(let ((error-output (open-output-string)))
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(parameterize ((guix-warning-port error-output))
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(catch 'quit
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(lambda ()
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exp
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#f)
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(lambda (key value)
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(list value
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(let ((message (get-output-string error-output)))
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(->bool (string-match error-rx message))))))))))
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(define %public-key
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;; This key is known to be in the ACL by default.
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(call-with-input-file (string-append %config-directory "/signing-key.pub")
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(compose string->canonical-sexp get-string-all)))
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(define %private-key
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(call-with-input-file (string-append %config-directory "/signing-key.sec")
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(compose string->canonical-sexp get-string-all)))
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(define* (signature-body bv #:key (public-key %public-key))
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"Return the signature of BV as the base64-encoded body of a narinfo's
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'Signature' field."
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(base64-encode
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(string->utf8
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(canonical-sexp->string
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(signature-sexp (bytevector->hash-data (sha256 bv)
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#:key-type 'rsa)
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%private-key
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public-key)))))
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(define %wrong-public-key
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(string->canonical-sexp "(public-key
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(rsa
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(n #00E05873AC2B168760343145918E954EE9AB73C026355693B192E01EE835261AA689E9EF46642E895BCD65C648524059FC450E4BA77A68F4C52D0E39EF0CC9359709AB6AAB153B63782201871325B0FDA19CB401CD99FD0C31A91CA9000AA90A77E82B89E036FB63BC1D3961207469B3B12468977148D376F8012BB12A4B11A8F1#)
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(e #010001#)
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)
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)"))
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(define* (signature-field bv-or-str
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#:key (version "1") (public-key %public-key))
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"Return the 'Signature' field value of bytevector/string BV-OR-STR, using
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PUBLIC-KEY as the signature's principal, and using VERSION as the signature
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version identifier.."
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(string-append version ";example.gnu.org;"
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(signature-body (if (string? bv-or-str)
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(string->utf8 bv-or-str)
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bv-or-str)
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#:public-key public-key)))
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(test-begin "substitute")
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(test-quit "not a number"
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"signature version"
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(narinfo-signature->canonical-sexp
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(signature-field "foo" #:version "not a number")))
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(test-quit "wrong version number"
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"unsupported.*version"
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(narinfo-signature->canonical-sexp
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(signature-field "foo" #:version "2")))
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(test-assert "valid narinfo-signature->canonical-sexp"
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(canonical-sexp? (narinfo-signature->canonical-sexp (signature-field "foo"))))
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(define %narinfo
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;; Skeleton of the narinfo used below.
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(string-append "StorePath: " (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo
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URL: example.nar
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Compression: none
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NarHash: sha256:" (bytevector->nix-base32-string
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(sha256 (string->utf8 "Substitutable data."))) "
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NarSize: 42
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References: bar baz
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Deriver: " (%store-prefix) "/foo.drv
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System: mips64el-linux\n"))
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(define (call-with-narinfo narinfo thunk)
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"Call THUNK in a context where $GUIX_BINARY_SUBSTITUTE_URL is populated with
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a file for NARINFO."
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(let ((narinfo-directory (and=> (string->uri (getenv
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"GUIX_BINARY_SUBSTITUTE_URL"))
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uri-path))
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(cache-directory (string-append (getenv "XDG_CACHE_HOME")
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"/guix/substitute/")))
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(dynamic-wind
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(lambda ()
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(when (file-exists? cache-directory)
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(delete-file-recursively cache-directory))
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(call-with-output-file (string-append narinfo-directory
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"/nix-cache-info")
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(lambda (port)
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(format port "StoreDir: ~a\nWantMassQuery: 0\n"
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(%store-prefix))))
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(call-with-output-file (string-append narinfo-directory "/"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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".narinfo")
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(cut display narinfo <>))
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;; Prepare the nar.
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(call-with-output-file
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(string-append narinfo-directory "/example.out")
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(cut display "Substitutable data." <>))
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(call-with-output-file
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(string-append narinfo-directory "/example.nar")
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(cute write-file
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(string-append narinfo-directory "/example.out") <>))
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(set! (@@ (guix scripts substitute)
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%allow-unauthenticated-substitutes?)
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#f))
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thunk
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(lambda ()
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(delete-file-recursively cache-directory)))))
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(define-syntax-rule (with-narinfo narinfo body ...)
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(call-with-narinfo narinfo (lambda () body ...)))
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;; Transmit these options to 'guix substitute'.
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(set! (@@ (guix scripts substitute) %cache-urls)
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(list (getenv "GUIX_BINARY_SUBSTITUTE_URL")))
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(test-equal "query narinfo without signature"
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"" ; not substitutable
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(with-narinfo %narinfo
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(string-trim-both
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(with-output-to-string
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(lambda ()
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(with-input-from-string (string-append "have " (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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(lambda ()
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(guix-substitute "--query"))))))))
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(test-equal "query narinfo with invalid hash"
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;; The hash in the signature differs from the hash of %NARINFO.
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""
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field "different body")
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"\n")
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(string-trim-both
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(with-output-to-string
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(lambda ()
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(with-input-from-string (string-append "have " (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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(lambda ()
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(guix-substitute "--query"))))))))
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(test-equal "query narinfo signed with authorized key"
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(string-append (%store-prefix) "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field %narinfo)
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"\n")
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(string-trim-both
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(with-output-to-string
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(lambda ()
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(with-input-from-string (string-append "have " (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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(lambda ()
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(guix-substitute "--query"))))))))
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(test-equal "query narinfo signed with unauthorized key"
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"" ; not substitutable
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field
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%narinfo
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#:public-key %wrong-public-key)
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"\n")
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(string-trim-both
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(with-output-to-string
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(lambda ()
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(with-input-from-string (string-append "have " (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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(lambda ()
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(guix-substitute "--query"))))))))
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(test-quit "substitute, no signature"
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"lacks a signature"
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(with-narinfo %narinfo
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(guix-substitute "--substitute"
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(string-append (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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"foo")))
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(test-quit "substitute, invalid hash"
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"hash"
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;; The hash in the signature differs from the hash of %NARINFO.
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field "different body")
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"\n")
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(guix-substitute "--substitute"
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(string-append (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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"foo")))
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(test-quit "substitute, unauthorized key"
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"unauthorized"
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field
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%narinfo
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#:public-key %wrong-public-key)
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"\n")
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(guix-substitute "--substitute"
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(string-append (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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"foo")))
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(test-equal "substitute, authorized key"
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"Substitutable data."
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(with-narinfo (string-append %narinfo "Signature: "
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(signature-field %narinfo))
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(dynamic-wind
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(const #t)
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(lambda ()
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(guix-substitute "--substitute"
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(string-append (%store-prefix)
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"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo")
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"substitute-retrieved")
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(call-with-input-file "substitute-retrieved" get-string-all))
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(lambda ()
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(false-if-exception (delete-file "substitute-retrieved"))))))
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(test-end "substitute")
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(exit (= (test-runner-fail-count (test-runner-current)) 0))
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;;; Local Variables:
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;;; eval: (put 'with-narinfo 'scheme-indent-function 1)
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;;; eval: (put 'test-quit 'scheme-indent-function 2)
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;;; End:
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