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+;; Common definitions for the OpenPGP test scripts.
+;;
+;; Copyright (C) 2016 g10 Code GmbH
+;;
+;; This file is part of GnuPG.
+;;
+;; GnuPG 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.
+;;
+;; GnuPG 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 this program; if not, see <http://www.gnu.org/licenses/>.
+
+;;
+;; Constants.
+;;
+
+(define usrname1 "[email protected]")
+(define usrpass1 "def")
+(define usrname2 "[email protected]")
+(define usrpass2 "")
+(define usrname3 "[email protected]")
+(define usrpass3 "")
+
+(define dsa-usrname1 "pgp5")
+;; we use the sub key because we do not yet have the logic to to derive
+;; the first encryption key from a keyblock (I guess) (Well of course
+;; we have this by now and the notation below will lookup the primary
+;; first and then search for the encryption subkey.)
+(define dsa-usrname2 "0xCB879DE9")
+
+(define plain-files '("plain-1" "plain-2" "plain-3"))
+(define data-files '("data-500" "data-9000" "data-32000" "data-80000"))
+(define exp-files '())
+
+(define (qualify executable)
+  (string-append executable (getenv "EXEEXT")))
+
+(define (getenv' key default)
+  (let ((value (getenv key)))
+    (if (string=? "" value)
+	default
+	value)))
+
+(define tools
+  '((gpg "GPG" "g10/gpg")
+    (gpg-agent "GPG_AGENT" "agent/gpg-agent")
+    (gpg-connect-agent "GPG_CONNECT_AGENT" "tools/gpg-connect-agent")
+    (gpgconf "GPGCONF" "tools/gpgconf")
+    (gpg-preset-passphrase "GPG_PRESET_PASSPHRASE"
+			   "agent/gpg-preset-passphrase")
+    (mktdata "MKTDATA" "tools/mk-tdata")
+    (gpgtar "GPGTAR" "tools/gpgtar")
+    (gpg-zip "GPGZIP" "tools/gpg-zip")))
+
+(define (tool which)
+  (let ((t (assoc which tools))
+	(prefix (getenv "BIN_PREFIX")))
+    (getenv' (cadr t)
+	     (qualify (if (string=? prefix "")
+			  (string-append (getenv "objdir") "/" (caddr t))
+			  (string-append prefix "/" (basename (caddr t))))))))
+
+
+(define have-opt-always-trust
+  (string-contains? (call-popen `(,(tool 'gpg) --dump-options) "")
+			"--always-trust"))
+
+(define GPG `(,(tool 'gpg) --no-permission-warning
+	      ,@(if have-opt-always-trust '(--always-trust) '())))
+(define PINENTRY (string-append (getcwd) "/" (qualify "fake-pinentry")))
+
+(define (tr:gpg input args)
+  (tr:spawn input `(,@GPG --output **out** ,@args **in**)))
+
+(define (pipe:gpg args)
+  (pipe:spawn `(,@GPG --output - ,@args -)))
+
+(define (get-config what)
+  (let* ((config-string
+	  (call-popen `(,@GPG --with-colons --list-config ,what) ""))
+	 (config (string-splitn
+		  (string-rtrim char-whitespace? config-string) #\: 2)))
+    (string-split (caddr config) #\;)))
+
+(define all-pubkey-algos (get-config "pubkeyname"))
+(define all-hash-algos (get-config "digestname"))
+(define all-cipher-algos (get-config "ciphername"))
+
+(define (have-pubkey-algo? x)
+  (not (not (member x all-pubkey-algos))))
+(define (have-hash-algo? x)
+  (not (not (member x all-hash-algos))))
+(define (have-cipher-algo? x)
+  (not (not (member x all-cipher-algos))))
+
+(define (gpg-pipe args0 args1 errfd)
+  (lambda (source sink)
+    (let* ((p (pipe))
+	   (task0 (spawn-process-fd `(,@GPG ,@args0)
+		   source (:write-end p) errfd))
+	   (_ (close (:write-end p)))
+	   (task1 (spawn-process-fd `(,@GPG ,@args1)
+		   (:read-end p) sink errfd)))
+      (close (:read-end p))
+      (wait-processes (list GPG GPG) (list task0 task1) #t))))
+
+(setenv "GPG_AGENT_INFO" "" #t)
+(setenv "GNUPGHOME" (getcwd) #t)
+
+;;
+;; GnuPG helper.
+;;
+
+;; Call GPG to obtain the hash sums.  Either specify an input file in
+;; ARGS, or an string in INPUT.  Returns a list of (<algo>
+;; "<hashsum>") lists.
+(define (gpg-hash-string args input)
+  (map
+   (lambda (line)
+     (let ((p (string-split line #\:)))
+       (list (string->number (cadr p)) (caddr p))))
+   (string-split
+    (call-popen `(,@GPG --with-colons ,@args) input) #\newline)))