mirror of
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84fcd8e6eb
* tests/openpgp/defs.scm: We expect that stuff is now installed. (tools): Fix the names. (intsalled?, bin-prefix): Remove. (tool-hardcoded): Simplify. (gpg-conf'): Simplify. (GNUPG_BUILDDIR): Do not anymore set this envvar. * tests/tpm2dtests/defs.scm: Ditto. -- This simplifies things a bit.
465 lines
15 KiB
Scheme
465 lines
15 KiB
Scheme
;; Common definitions for the OpenPGP test scripts.
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;;
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;; Copyright (C) 2016, 2017 g10 Code GmbH
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;;
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;; This file is part of GnuPG.
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;;
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;; GnuPG is free software; you can redistribute it and/or modify
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;; it 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
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;; (at your option) any later version.
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;;
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;; GnuPG is distributed in the hope that it will be useful,
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;; but 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 this program; if not, see <http://www.gnu.org/licenses/>.
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(let ((verbose (string->number (getenv "verbose"))))
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(if (number? verbose)
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(*set-verbose!* verbose)))
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(define (qualify executable)
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(string-append executable (getenv "EXEEXT")))
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(define (getenv' key default)
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(let ((value (getenv key)))
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(if (string=? "" value)
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default
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value)))
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(define (percent-decode s)
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(define (decode c)
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(if (and (> (length c) 2) (char=? #\% (car c)))
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(integer->char (string->number (string #\# #\x (cadr c) (caddr c))))
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#f))
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(let loop ((i 0) (c (string->list s)) (r (make-string (string-length s))))
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(if (null? c)
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(substring r 0 i)
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(let ((decoded (decode c)))
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(string-set! r i (if decoded decoded (car c)))
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(loop (+ 1 i) (if decoded (cdddr c) (cdr c)) r)))))
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(assert (equal? (percent-decode "") ""))
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(assert (equal? (percent-decode "%61") "a"))
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(assert (equal? (percent-decode "foob%61r") "foobar"))
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(define (percent-encode s)
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(define (encode c)
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`(#\% ,@(string->list (number->string (char->integer c) 16))))
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(let loop ((acc '()) (cs (reverse (string->list s))))
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(if (null? cs)
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(list->string acc)
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(case (car cs)
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((#\: #\%)
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(loop (append (encode (car cs)) acc) (cdr cs)))
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(else
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(loop (cons (car cs) acc) (cdr cs)))))))
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(assert (equal? (percent-encode "") ""))
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(assert (equal? (percent-encode "%61") "%2561"))
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(assert (equal? (percent-encode "foob%61r") "foob%2561r"))
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(define tools
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'((gpgv "GPGV" "bin/gpgv")
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(gpg-connect-agent "GPG_CONNECT_AGENT" "bin/gpg-connect-agent")
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(gpgconf "GPGCONF" "bin/gpgconf")
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(gpg-preset-passphrase "GPG_PRESET_PASSPHRASE"
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"libexec/gpg-preset-passphrase")
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(gpgtar "GPGTAR" "bin/gpgtar")
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(tpm2daemon "TPM2DAEMON" "libexec/tpm2daemon")
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(pinentry "PINENTRY" "openpgp/fake-pinentry")))
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(define with-valgrind? (not (string=? (getenv "with_valgrind") "")))
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(define (tool-hardcoded which)
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(let ((t (assoc which tools)))
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(getenv' (cadr t)
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(qualify (string-append (getenv "GNUPG_BUILD_ROOT")
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"/" (caddr t))))))
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;; You can splice VALGRIND into your argument vector to run programs
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;; under valgrind. For example, to run valgrind on gpg, you may want
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;; to redefine gpg:
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;;
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;; (set! gpg `(,@valgrind ,@gpg))
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;;
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(define valgrind
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'("/usr/bin/valgrind" -q --leak-check=no --track-origins=yes
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--error-exitcode=154 --exit-on-first-error=yes))
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(define (gpg-conf . args)
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(gpg-conf' "" args))
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(define (gpg-conf' input args)
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(let ((s (call-popen `(,(tool-hardcoded 'gpgconf)
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,@args) input)))
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(map (lambda (line) (map percent-decode (string-split line #\:)))
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(string-split-newlines s))))
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(define :gc:c:name car)
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(define :gc:c:description cadr)
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(define :gc:c:pgmname caddr)
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(define (:gc:o:name x) (list-ref x 0))
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(define (:gc:o:flags x) (string->number (list-ref x 1)))
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(define (:gc:o:level x) (string->number (list-ref x 2)))
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(define (:gc:o:description x) (list-ref x 3))
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(define (:gc:o:type x) (string->number (list-ref x 4)))
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(define (:gc:o:alternate-type x) (string->number (list-ref x 5)))
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(define (:gc:o:argument-name x) (list-ref x 6))
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(define (:gc:o:default-value x) (list-ref x 7))
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(define (:gc:o:default-argument x) (list-ref x 8))
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(define (:gc:o:value x) (if (< (length x) 10) "" (list-ref x 9)))
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(define (gpg-config component key)
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(package
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(define (value)
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(let* ((conf (assoc key (gpg-conf '--list-options component)))
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(type (:gc:o:type conf))
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(value (:gc:o:value conf)))
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(case type
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((0 2 3) (string->number value))
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((1 32) (substring value 1 (string-length value))))))
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(define (update value)
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(let ((value' (cond
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((string? value) (string-append "\"" value))
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((number? value) (number->string value))
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(else (throw "Unsupported value" value)))))
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(gpg-conf' (string-append key ":0:" (percent-encode value'))
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`(--change-options ,component))))
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(define (clear)
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(gpg-conf' (string-append key ":16:")
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`(--change-options ,component)))))
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(define gpg-components (apply gpg-conf '(--list-components)))
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(define (tool which)
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(case which
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((gpg gpg-agent scdaemon gpgsm dirmngr)
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(:gc:c:pgmname (assoc (symbol->string which) gpg-components)))
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(else
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(tool-hardcoded which))))
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(define (gpg-has-option? option)
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(string-contains? (call-popen `(,(tool 'gpg) --dump-options) "")
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option))
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(define have-opt-always-trust
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(catch #f
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(with-ephemeral-home-directory (lambda ()) (lambda ())
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(call-check `(,(tool 'gpg) --gpgconf-test --always-trust)))
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#t))
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(define GPG `(,(tool 'gpg) --no-permission-warning
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,@(if have-opt-always-trust '(--always-trust) '())))
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(define GPGV `(,(tool 'gpgv)))
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(define PINENTRY (tool 'pinentry))
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(define TPM2DAEMON (tool 'tpm2daemon))
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(define (tr:gpg input args)
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(tr:spawn input `(,@GPG --output **out** ,@args **in**)))
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(define (pipe:gpg args)
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(pipe:spawn `(,@GPG --output - ,@args)))
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(define (gpg-with-colons args)
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(let ((s (call-popen `(,@GPG --with-colons ,@args) "")))
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(map (lambda (line) (string-split line #\:))
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(string-split-newlines s))))
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(define (secinfo name)
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(assoc "sec" (gpg-with-colons `(--list-secret-key ,name))))
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(define (ssbinfo name)
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(assoc "ssb" (gpg-with-colons `(--list-secret-key ,name))))
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(define (fingerprint name)
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(:fpr (assoc "fpr" (gpg-with-colons `(--list-secret-key ,name)))))
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;; convenient accessors for sec
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(define (:cardinfo x) (list-ref x 14))
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;; Convenient accessors for the colon output of pub.
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(define (:type x) (string->symbol (list-ref x 0)))
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(define (:length x) (string->number (list-ref x 2)))
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(define (:alg x) (string->number (list-ref x 3)))
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(define (:expire x) (list-ref x 6))
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(define (:fpr x) (list-ref x 9))
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(define (:cap x) (list-ref x 11))
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(define (have-public-key? key)
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(catch #f
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(pair? (filter (lambda (l) (and (equal? 'fpr (:type l))
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(equal? key::fpr (:fpr l))))
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(gpg-with-colons `(--list-keys ,key::fpr))))))
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(define (have-secret-key? key)
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(catch #f
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(pair? (filter (lambda (l) (and (equal? 'fpr (:type l))
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(equal? key::fpr (:fpr l))))
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(gpg-with-colons `(--list-secret-keys ,key::fpr))))))
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(define (have-secret-key-file? key)
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(file-exists? (path-join (getenv "GNUPGHOME") "private-keys-v1.d"
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(string-append key::grip ".key"))))
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(define (get-config what)
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(string-split (caddar (gpg-with-colons `(--list-config ,what))) #\;))
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(define all-pubkey-algos (delay (get-config "pubkeyname")))
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(define all-hash-algos (delay (get-config "digestname")))
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(define all-cipher-algos (delay (get-config "ciphername")))
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(define all-compression-algos (delay (get-config "compressname")))
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(define (have-pubkey-algo? x)
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(not (not (member x (force all-pubkey-algos)))))
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(define (have-hash-algo? x)
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(not (not (member x (force all-hash-algos)))))
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(define (have-cipher-algo? x)
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(not (not (member x (force all-cipher-algos)))))
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(define (have-compression-algo? x)
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(not (not (member x (force all-compression-algos)))))
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(define (gpg-pipe args0 args1 errfd)
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(lambda (source sink)
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(let* ((p (pipe))
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(task0 (spawn-process-fd `(,@GPG ,@args0)
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source (:write-end p) errfd))
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(_ (close (:write-end p)))
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(task1 (spawn-process-fd `(,@GPG ,@args1)
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(:read-end p) sink errfd)))
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(close (:read-end p))
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(wait-processes (list GPG GPG) (list task0 task1) #t))))
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;;
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;; Do we have a software tpm
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;;
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(define have-swtpm? (not (and (string=? "" (getenv "TPMSERVER"))
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(string=? "" (getenv "SWTPM")))))
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(setenv "GPG_AGENT_INFO" "" #t)
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(setenv "GNUPGHOME" (getcwd) #t)
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(if have-swtpm?
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(setenv "TPM_INTERFACE_TYPE" "socsim" #t))
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(define GNUPGHOME (getcwd))
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;;
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;; GnuPG helper.
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;;
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;; Call GPG to obtain the hash sums. Either specify an input file in
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;; ARGS, or an string in INPUT. Returns a list of (<algo>
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;; "<hashsum>") lists.
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(define (gpg-hash-string args input)
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(map
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(lambda (line)
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(let ((p (string-split line #\:)))
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(list (string->number (cadr p)) (caddr p))))
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(string-split-newlines
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(call-popen `(,@GPG --with-colons ,@args) input))))
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;; Dearmor a file.
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(define (dearmor source-name sink-name)
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(pipe:do
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(pipe:open source-name (logior O_RDONLY O_BINARY))
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(pipe:spawn `(,@GPG --dearmor))
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(pipe:write-to sink-name (logior O_WRONLY O_CREAT O_BINARY) #o600)))
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(define (gpg-dump-packets source-name sink-name)
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(pipe:do
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(pipe:open source-name (logior O_RDONLY O_BINARY))
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(pipe:spawn `(,@GPG --list-packets))
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(pipe:write-to sink-name (logior O_WRONLY O_CREAT O_BINARY) #o600)))
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;;
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;; Support for test environment creation and teardown.
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;;
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(define (make-test-data filename size)
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(call-with-binary-output-file
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filename
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(lambda (port)
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(display (make-random-string size) port))))
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(define (create-file name . lines)
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(catch #f (unlink name))
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(letfd ((fd (open name (logior O_WRONLY O_CREAT O_BINARY) #o600)))
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(let ((port (fdopen fd "wb")))
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(for-each (lambda (line) (display line port) (newline port))
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lines))))
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(define (create-gpghome)
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(log "Creating test environment...")
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(srandom (getpid))
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(make-test-data "random_seed" 600)
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(log "Creating configuration files")
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(if (flag "--use-keyring" *args*)
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(create-file "pubring.gpg"))
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(create-file "gpg.conf"
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;;"log-file socket:///tmp/S.wklog"
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;;"verbose"
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"no-greeting"
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"no-secmem-warning"
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"no-permission-warning"
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"batch"
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"no-auto-key-retrieve"
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"no-auto-key-locate"
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"allow-weak-digest-algos"
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"ignore-mdc-error"
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(if have-opt-always-trust
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"no-auto-check-trustdb" "#no-auto-check-trustdb")
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(string-append "agent-program "
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(tool 'gpg-agent)
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"|--debug-quick-random\n")
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(if (flag "--use-keyboxd" *args*)
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"use-keyboxd" "#use-keyboxd")
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)
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(create-file "gpg-agent.conf"
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"allow-preset-passphrase"
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"debug-all"
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"log-file gpg-agent.log"
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"no-grab"
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"enable-ssh-support"
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"s2k-count 65536"
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(string-append "pinentry-program " (tool 'pinentry))
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(string-append "tpm2daemon-program " (tool 'tpm2daemon))
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"disable-scdaemon")
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(create-file "msg.txt"
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"This is a test of TPM signing and encryption"
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"With two lines of text"))
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;; Initialize the test environment, install appropriate configuration
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;; and start the agent, without any keys.
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(define (setup-environment)
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(create-gpghome)
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(start-agent)
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(start-tpm))
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(define (setup-environment-no-atexit)
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(create-gpghome)
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(start-agent #t))
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;; Initialize the test environment, install appropriate configuration
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;; and start the agent, with the keys from the legacy test suite.
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(define (setup-legacy-environment)
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(create-gpghome)
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(if (member "--unpack-tarball" *args*)
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(begin
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(call-check `(,(tool 'gpgtar) --extract --directory=. ,(cadr *args*)))
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(start-agent))
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(begin
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(start-agent)
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(create-legacy-gpghome)))
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(preset-passphrases))
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;; start the tpm server
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(define (start-tpm)
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(if have-swtpm?
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(begin (define pid (call-check `(,(in-srcdir "tests" "tpm2dtests" "start_sw_tpm.sh"))))
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(if (not (null? pid))
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(atexit (lambda ()
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(call-check `("/bin/kill" ,pid))))))))
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;; Create the socket dir and start the agent.
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(define (start-agent . args)
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(log "Starting gpg-agent...")
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(let ((gnupghome (getenv "GNUPGHOME")))
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(if (null? args)
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(atexit (lambda ()
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(with-home-directory gnupghome (stop-agent))))))
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(catch (log "Warning: Creating socket directory failed:" (car *error*))
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(gpg-conf '--create-socketdir))
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(call-check `(,(tool 'gpg-connect-agent) --verbose
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,(string-append "--agent-program=" (tool 'gpg-agent)
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"|--debug-quick-random")
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/bye)))
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;; Stop the agent and other daemons and remove the socket dir.
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(define (stop-agent)
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(log "Stopping gpg-agent...")
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(gpg-conf '--kill 'all)
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(catch (log "Warning: Removing socket directory failed.")
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(gpg-conf '--remove-socketdir)))
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;; Get the trust level for KEYID. Any remaining arguments are simply
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;; passed to GPG.
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;;
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;; This function only supports keys with a single user id.
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(define (gettrust keyid . args)
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(let ((trust
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(list-ref (assoc "pub" (gpg-with-colons
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`(,@args
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--list-keys ,keyid))) 1)))
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(unless (and (= 1 (string-length trust))
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(member (string-ref trust 0) (string->list "oidreqnmfuws-")))
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(fail "Bad trust value:" trust))
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trust))
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;; Check that KEYID's trust level matches EXPECTED-TRUST. Any
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;; remaining arguments are simply passed to GPG.
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;;
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;; This function only supports keys with a single user id.
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(define (checktrust keyid expected-trust . args)
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(let ((trust (apply gettrust `(,keyid ,@args))))
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(unless (string=? trust expected-trust)
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(fail keyid ": Expected trust to be" expected-trust
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"but got" trust))))
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(define (keytotpm name select)
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(let ((result (call-with-io `(,@GPG --command-fd=0 --edit-key ,name ,select keytotpm) "y\n")))
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(if (= 0 (:retcode result))
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(:stdout result)
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(throw "keytotpm failed"
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(:stderr result)))))
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(define (quick-gen name algo)
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(info "creating TPM " algo " key")
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(call-check `(,@GPG --quick-generate-key ,name ,algo))
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(keytotpm name "key 0")
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(unless (string=? (:cardinfo (secinfo name)) "TPM-Protected")
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(throw "key is not in the TPM")))
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(define (quick-add name algo)
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(info "adding TPM encryption " algo " key")
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(call-check `(,@GPG --quick-add-key ,(fingerprint name) ,algo "encr"))
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(keytotpm name "key 1")
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(unless (string=? (:cardinfo (ssbinfo name)) "TPM-Protected")
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(throw "Added key is not in the TPM")))
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(define (check-sig name)
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(info "checking TPM signing")
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(call-check `(,@GPG --default-key ,name --sign msg.txt))
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(call-check `(,@GPG --verify msg.txt.gpg))
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(unlink "msg.txt.gpg"))
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(define (check-encrypt name)
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(info "Checking TPM decryption")
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(call-check `(,@GPG --recipient ,name --encrypt msg.txt))
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(call-check `(,@GPG --output msg.out.txt --decrypt msg.txt.gpg))
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(unless (file=? "msg.txt" "msg.out.txt")
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(throw "File did not decrypt to the same message"))
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(unlink "msg.out.txt")
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(unlink "msg.txt.gpg"))
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|
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;;
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;; Tests are very simple: create primary key in TPM add encryption key
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|
;; in TPM (verifies TPM primary can certify secondary), sign a message
|
|
;; with primary key and check signature encrypt a message with
|
|
;; encryption key and check signature
|
|
;;
|
|
(define (test-tpm name algo)
|
|
(quick-gen name algo)
|
|
(quick-add name algo)
|
|
(check-sig name)
|
|
(check-encrypt name))
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|
|
|
;;
|
|
;; Enable checking with valgrind if the envvar "with_valgrind" is set
|
|
;;
|
|
(when with-valgrind?
|
|
(set! gpg `(,@valgrind ,@gpg)))
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|
|
|
|
|
;;(set! *args* (append *args* (list "--use-keyboxd")))
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|
|
|
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;; end
|