tests: New maintenance helper run-encrypt.

* tests/run-encrypt.c: New.

Signed-off-by: Werner Koch <wk@gnupg.org>

NEWS

@@ -1,4 +1,4 @@
-Noteworthy changes in version 1.6.1 (unreleased) [C25/A14/R_]
+Noteworthy changes in version 1.7.0 (unreleased) [C25/A14/R_]
 ------------------------------------------------
 
  * New function to format a GnuPG style public key algorithm string.

tests/Makefile.am

@@ -32,7 +32,7 @@ LDADD = ../src/libgpgme.la @GPG_ERROR_LIBS@
 noinst_HEADERS = run-support.h
 
 noinst_PROGRAMS = $(TESTS) run-keylist run-export run-import run-sign \
-		  run-verify
+		  run-verify run-encrypt
 
 
 if RUN_GPG_TESTS

tests/run-encrypt.c

@@ -0,0 +1,218 @@
+/* run-encrypt.c  - Helper to perform an encrypt operation
+ * Copyright (C) 2016 g10 Code GmbH
+ *
+ * This file is part of GPGME.
+ *
+ * GPGME is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * GPGME 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* We need to include config.h so that we know whether we are building
+   with large file system (LFS) support. */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <gpgme.h>
+
+#define PGM "run-encrypt"
+
+#include "run-support.h"
+
+
+static int verbose;
+
+static gpg_error_t
+status_cb (void *opaque, const char *keyword, const char *value)
+{
+  (void)opaque;
+  printf ("status_cb: %s %s\n", keyword, value);
+  return 0;
+}
+
+
+static void
+print_result (gpgme_encrypt_result_t result)
+{
+  gpgme_invalid_key_t invkey;
+
+  for (invkey = result->invalid_recipients; invkey; invkey = invkey->next)
+    printf ("Encryption key `%s' not used: %s <%s>\n",
+            nonnull (invkey->fpr),
+            gpg_strerror (invkey->reason), gpg_strsource (invkey->reason));
+}
+
+
+
+static int
+show_usage (int ex)
+{
+  fputs ("usage: " PGM " [options] FILE\n\n"
+         "Options:\n"
+         "  --verbose        run in verbose mode\n"
+         "  --status         print status lines from the backend\n"
+         "  --openpgp        use the OpenPGP protocol (default)\n"
+         "  --cms            use the CMS protocol\n"
+         "  --uiserver       use the UI server\n"
+         "  --loopback       use a loopback pinentry\n"
+         "  --key NAME       encrypt to key NAME\n"
+         , stderr);
+  exit (ex);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  int last_argc = -1;
+  gpgme_error_t err;
+  gpgme_ctx_t ctx;
+  const char *key_string = NULL;
+  gpgme_protocol_t protocol = GPGME_PROTOCOL_OpenPGP;
+  gpgme_data_t in, out;
+  gpgme_encrypt_result_t result;
+  int print_status = 0;
+  int use_loopback = 0;
+  char *keyargs[10];
+  gpgme_key_t keys[10+1];
+  int keycount = 0;
+  int i;
+
+  if (argc)
+    { argc--; argv++; }
+
+  if (DIM(keys) != DIM(keyargs)+1)
+    abort ();
+
+  while (argc && last_argc != argc )
+    {
+      last_argc = argc;
+      if (!strcmp (*argv, "--"))
+        {
+          argc--; argv++;
+          break;
+        }
+      else if (!strcmp (*argv, "--help"))
+        show_usage (0);
+      else if (!strcmp (*argv, "--verbose"))
+        {
+          verbose = 1;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--status"))
+        {
+          print_status = 1;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--openpgp"))
+        {
+          protocol = GPGME_PROTOCOL_OpenPGP;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--cms"))
+        {
+          protocol = GPGME_PROTOCOL_CMS;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--uiserver"))
+        {
+          protocol = GPGME_PROTOCOL_UISERVER;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--key"))
+        {
+          argc--; argv++;
+          if (!argc)
+            show_usage (1);
+          if (keycount == DIM (keyargs))
+            show_usage (1);
+          keyargs[keycount++] = *argv;
+          argc--; argv++;
+        }
+      else if (!strcmp (*argv, "--loopback"))
+        {
+          use_loopback = 1;
+          argc--; argv++;
+        }
+      else if (!strncmp (*argv, "--", 2))
+        show_usage (1);
+
+    }
+
+  if (argc != 1)
+    show_usage (1);
+
+  if (key_string && protocol == GPGME_PROTOCOL_UISERVER)
+    {
+      fprintf (stderr, PGM ": ignoring --key in UI-server mode\n");
+      key_string = NULL;
+    }
+
+  if (!key_string)
+    key_string = "test";
+
+  init_gpgme (protocol);
+
+  err = gpgme_new (&ctx);
+  fail_if_err (err);
+  gpgme_set_protocol (ctx, protocol);
+  gpgme_set_armor (ctx, 1);
+  if (print_status)
+    gpgme_set_status_cb (ctx, status_cb, NULL);
+  if (use_loopback)
+    gpgme_set_pinentry_mode (ctx, GPGME_PINENTRY_MODE_LOOPBACK);
+
+  for (i=0; i < keycount; i++)
+    {
+      err = gpgme_get_key (ctx, keyargs[i], &keys[i], 0);
+      fail_if_err (err);
+    }
+  keys[i] = NULL;
+
+  err = gpgme_data_new_from_file (&in, *argv, 1);
+  if (err)
+    {
+      fprintf (stderr, PGM ": error reading `%s': %s\n",
+               *argv, gpg_strerror (err));
+      exit (1);
+    }
+
+  err = gpgme_data_new (&out);
+  fail_if_err (err);
+
+  err = gpgme_op_encrypt (ctx, keys, GPGME_ENCRYPT_ALWAYS_TRUST, in, out);
+  result = gpgme_op_encrypt_result (ctx);
+  if (result)
+    print_result (result);
+  if (err)
+    {
+      fprintf (stderr, PGM ": encrypting failed: %s\n", gpg_strerror (err));
+      exit (1);
+    }
+
+  fputs ("Begin Output:\n", stdout);
+  print_data (out);
+  fputs ("End Output.\n", stdout);
+  gpgme_data_release (out);
+
+  gpgme_data_release (in);
+
+  for (i=0; i < keycount; i++)
+    gpgme_key_unref (keys[i]);
+  gpgme_release (ctx);
+  return 0;
+}