1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
;;; epg-tests.el --- Test suite for epg.el -*- lexical-binding: t -*-
;; Copyright (C) 2013-2019 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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 Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'ert)
(require 'epg)
(defvar epg-tests-context nil)
(defvar epg-tests-data-directory
(expand-file-name "data/epg" (getenv "EMACS_TEST_DIRECTORY"))
"Directory containing epg test data.")
(defconst epg-tests--config-program-alist
;; The default `epg-config--program-alist' requires gpg2 2.1 or
;; greater due to some practical problems with pinentry. But most
;; tests here work fine with 2.0 as well.
(let ((prog-alist (copy-tree epg-config--program-alist)))
(setf (alist-get "gpg2"
(alist-get 'OpenPGP prog-alist)
nil nil #'equal)
"2.0")
prog-alist))
(defun epg-tests-find-usable-gpg-configuration
(&optional require-passphrase require-public-key)
;; Clear config cache because we may be using a different
;; program-alist. We do want to update the cache, so that
;; `epg-make-context' can use our result.
(setq epg--configurations nil)
(epg-find-configuration 'OpenPGP nil
;; The symmetric operations fail on Hydra
;; with gpg 2.0.
(if (or (not require-passphrase) require-public-key)
epg-tests--config-program-alist)))
(defun epg-tests-passphrase-callback (_c _k _d)
;; Need to create a copy here, since the string will be wiped out
;; after the use.
(copy-sequence "test0123456789"))
(cl-defmacro with-epg-tests ((&optional &key require-passphrase
require-public-key
require-secret-key)
&rest body)
"Set up temporary locations and variables for testing."
(declare (indent 1) (debug (sexp body)))
`(let* ((epg-tests-home-directory (make-temp-file "epg-tests-homedir" t))
(process-environment
(append
(list "GPG_AGENT_INFO"
(format "GNUPGHOME=%s" epg-tests-home-directory))
process-environment)))
(unwind-protect
;; GNUPGHOME is needed to find a usable gpg, so we can't
;; check whether to skip any earlier (Bug#23561).
(let ((epg-config (or (epg-tests-find-usable-gpg-configuration
,require-passphrase ,require-public-key)
(ert-skip "No usable gpg config")))
(context (epg-make-context 'OpenPGP)))
(setf (epg-context-program context)
(alist-get 'program epg-config))
(setf (epg-context-home-directory context)
epg-tests-home-directory)
,(if require-passphrase
'(with-temp-file (expand-file-name
"gpg-agent.conf" epg-tests-home-directory)
(insert "pinentry-program "
(expand-file-name "dummy-pinentry"
epg-tests-data-directory)
"\n")
(epg-context-set-passphrase-callback
context
#'epg-tests-passphrase-callback)))
,(if require-public-key
'(epg-import-keys-from-file
context
(expand-file-name "pubkey.asc" epg-tests-data-directory)))
,(if require-secret-key
'(epg-import-keys-from-file
context
(expand-file-name "seckey.asc" epg-tests-data-directory)))
(with-temp-buffer
(make-local-variable 'epg-tests-context)
(setq epg-tests-context context)
,@body))
(when (file-directory-p epg-tests-home-directory)
(delete-directory epg-tests-home-directory t)))))
(ert-deftest epg-decrypt-1 ()
:expected-result (if (getenv "EMACS_HYDRA_CI") :failed :passed) ; fixme
(with-epg-tests (:require-passphrase t)
(with-temp-file (expand-file-name "gpg.conf" epg-tests-home-directory)
(insert "ignore-mdc-error"))
(should (equal "test"
(epg-decrypt-string epg-tests-context "\
-----BEGIN PGP MESSAGE-----
Version: GnuPG v2
jA0EAwMCE19JBLTvvmhgyRrGGglRbnKkK9PJG8fDwO5ccjysrR7IcdNcnA==
=U8z7
-----END PGP MESSAGE-----")))))
(ert-deftest epg-roundtrip-1 ()
:expected-result (if (getenv "EMACS_HYDRA_CI") :failed :passed) ; fixme
(with-epg-tests (:require-passphrase t)
(let ((cipher (epg-encrypt-string epg-tests-context "symmetric" nil)))
(should (equal "symmetric"
(epg-decrypt-string epg-tests-context cipher))))))
(ert-deftest epg-roundtrip-2 ()
(with-epg-tests (:require-passphrase t
:require-public-key t
:require-secret-key t)
(let* ((recipients (epg-list-keys epg-tests-context "joe@example.com"))
(cipher (epg-encrypt-string epg-tests-context "public key"
recipients nil t)))
(should (equal "public key"
(epg-decrypt-string epg-tests-context cipher))))))
(ert-deftest epg-sign-verify-1 ()
(with-epg-tests (:require-passphrase t
:require-public-key t
:require-secret-key t)
(let (signature verify-result)
(setf (epg-context-signers epg-tests-context)
(epg-list-keys epg-tests-context "joe@example.com"))
(setq signature (epg-sign-string epg-tests-context "signed" t))
(epg-verify-string epg-tests-context signature "signed")
(setq verify-result (epg-context-result-for context 'verify))
(should (= 1 (length verify-result)))
(should (eq 'good (epg-signature-status (car verify-result)))))))
(ert-deftest epg-sign-verify-2 ()
(with-epg-tests (:require-passphrase t
:require-public-key t
:require-secret-key t)
(let (signature verify-result)
(setf (epg-context-signers epg-tests-context)
(epg-list-keys epg-tests-context "joe@example.com"))
(setq signature (epg-sign-string epg-tests-context "clearsigned" 'clear))
;; Clearsign signature always ends with a new line.
(should (equal "clearsigned\n"
(epg-verify-string epg-tests-context signature)))
(setq verify-result (epg-context-result-for context 'verify))
(should (= 1 (length verify-result)))
(should (eq 'good (epg-signature-status (car verify-result)))))))
(ert-deftest epg-sign-verify-3 ()
(with-epg-tests (:require-passphrase t
:require-public-key t
:require-secret-key t)
(let (signature verify-result)
(setf (epg-context-signers epg-tests-context)
(epg-list-keys epg-tests-context "joe@example.com"))
(setq signature (epg-sign-string epg-tests-context "normal signed"))
(should (equal "normal signed"
(epg-verify-string epg-tests-context signature)))
(setq verify-result (epg-context-result-for context 'verify))
(should (= 1 (length verify-result)))
(should (eq 'good (epg-signature-status (car verify-result)))))))
(ert-deftest epg-import-1 ()
(with-epg-tests (:require-passphrase nil)
(should (= 0 (length (epg-list-keys epg-tests-context))))
(should (= 0 (length (epg-list-keys epg-tests-context nil t)))))
(with-epg-tests (:require-passphrase nil
:require-public-key t)
(should (= 1 (length (epg-list-keys epg-tests-context))))
(should (= 0 (length (epg-list-keys epg-tests-context nil t)))))
(with-epg-tests (:require-public-key nil
:require-public-key t
:require-secret-key t)
(should (= 1 (length (epg-list-keys epg-tests-context))))
(should (= 1 (length (epg-list-keys epg-tests-context nil t))))))
(provide 'epg-tests)
;;; epg-tests.el ends here
|
