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guix/tests/substitute.scm
Mathieu Othacehe 4c0c65acfa
Use "guile-zlib" and "guile-lzlib" instead of (guix config). 
* Makefile.am (MODULES): Remove guix/zlib.scm and guix/lzlib.scm,
(SCM_TESTS): remove tests/zlib.scm, tests/lzlib.scm.
* build-aux/build-self.scm (make-config.scm): Remove unused %libz variable.
* configure.ac: Remove LIBZ and LIBLZ variables and check instead for
Guile-zlib and Guile-lzlib.
* doc/guix.texi ("Requirements"): Remove zlib requirement and add Guile-zlib
and Guile-lzlib instead.
* gnu/packages/package-management.scm (guix)[native-inputs]: Add "guile-zlib"
and "guile-lzlib",
[inputs]: remove "zlib" and "lzlib",
[propagated-inputs]: ditto,
[arguments]: add "guile-zlib" and "guile-lzlib" to Guile load path.
* guix/config.scm.in (%libz, %liblz): Remove them.
* guix/lzlib.scm: Remove it.
* guix/man-db.scm: Use (zlib) instead of (guix zlib).
* guix/profiles.scm (manual-database): Do not stub (guix config) in imported
modules list, instead add "guile-zlib" to the extension list.
* guix/scripts/publish.scm: Use (zlib) instead of (guix zlib) and (lzlib)
instead of (guix lzlib),
(string->compression-type, effective-compression): do not check for zlib and
lzlib availability.
* guix/scripts/substitute.scm (%compression-methods): Do not check for lzlib
availability.
* guix/self.scm (specification->package): Add "guile-zlib" and "guile-lzlib"
and remove "zlib" and "lzlib",
(compiled-guix): remove "zlib" and "lzlib" arguments and add guile-zlib and
guile-lzlib to the dependencies, also do not pass "zlib" and "lzlib" to
"make-config.scm" procedure,
(make-config.scm): remove "zlib" and "lzlib" arguments as well as %libz and
%liblz variables.
* guix/utils.scm (lzip-port): Use (lzlib) instead of (guix lzlib) and do not
check for lzlib availability.
* guix/zlib.scm: Remove it.
* m4/guix.m4 (GUIX_LIBZ_LIBDIR, GUIX_LIBLZ_FILE_NAME): Remove them.
* tests/lzlib.scm: Use (zlib) instead of (guix zlib) and (lzlib)
instead of (guix lzlib), and do not check for zlib and lzlib availability.
* tests/publish.scm: Ditto.
* tests/substitute.scm: Do not check for lzlib availability.
* tests/utils.scm: Ditto.
* tests/zlib.scm: Remove it.
2020-08-24 13:35:24 +02:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014, 2015, 2017, 2018, 2019 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 (gcrypt hash)
#:use-module (guix serialization)
#:use-module (gcrypt 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 utils) #:select (call-with-compressed-output-port))
#:use-module ((guix build utils)
#:select (mkdir-p delete-file-recursively dump-port))
#: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)))
(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"))))
(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") <>))
(%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 with signature over nothing"
;; The signature is computed over the empty string, not over the important
;; parts, so the narinfo must be ignored.
""
(with-narinfo (string-append "Signature: " (signature-field "") "\n"
%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 with signature over irrelevant bits"
;; The signature is valid but it does not cover the
;; StorePath/NarHash/References tuple and is thus irrelevant; the narinfo
;; must be ignored.
""
(let ((prefix (string-append "StorePath: " (%store-prefix)
"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo
URL: example.nar
Compression: none\n")))
(with-narinfo (string-append prefix
"Signature: " (signature-field prefix) "
NarHash: sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
NarSize: 42
References: bar baz
Deriver: " (%store-prefix) "/foo.drv
System: mips64el-linux\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-equal "substitute, narinfo with several URLs"
"Substitutable data."
(let ((narinfo (string-append "StorePath: " (%store-prefix)
"/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-foo
URL: example.nar.gz
Compression: gzip
URL: example.nar.lz
Compression: lzip
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")))
(with-narinfo (string-append narinfo "Signature: "
(signature-field narinfo))
(dynamic-wind
(const #t)
(lambda ()
(define (compress input output compression)
(call-with-output-file output
(lambda (port)
(call-with-compressed-output-port compression port
(lambda (port)
(call-with-input-file input
(lambda (input)
(dump-port input port))))))))
(let ((nar (string-append %main-substitute-directory
"/example.nar")))
(compress nar (string-append nar ".gz") 'gzip)
(compress nar (string-append nar ".lz") 'lzip))
(parameterize ((substitute-urls
(list (string-append "file://"
%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-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:
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