core: Add gpgme_op_query_swdb and helper.

* src/gpgme.h.in (gpgme_query_swdb_result_t): New.
(gpgme_op_query_swdb): New.
(gpgme_op_query_swdb_result): New.
* src/libgpgme.vers, src/gpgme.def: Add the two new functions.
* src/queryswdb.c: New.
* src/Makefile.am (main_sources): Add new file.
* src/context.h (OPDATA_QUERY_SWDB): New.
* src/engine-backend.h (struct engine_ops): Add field 'query_swdb'.
Adjust all initializer.
* src/engine.c (_gpgme_engine_op_query_swdb): New.
* src/engine-gpgconf.c (parse_swdb_line): New.
(gpgconf_query_swdb): New.
(_gpgme_engine_ops_gpgconf): Register that function.

* src/util.h (GPG_ERR_TOO_OLD): Define for older libgpg-error.
(GPG_ERR_ENGINE_TOO_OLD): Ditto.

* tests/run-swdb.c: New.
* tests/Makefile.am (noinst_PROGRAMS): Add new debug tool.

Signed-off-by: Werner Koch <[email protected]>

2 files changed, 152 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index c71914f3..e8c7c564 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -33,7 +33,7 @@ noinst_HEADERS = run-support.h
 
 noinst_PROGRAMS = $(TESTS) run-keylist run-export run-import run-sign \
 		  run-verify run-encrypt run-identify run-decrypt run-genkey \
-		  run-keysign run-tofu
+		  run-keysign run-tofu run-swdb
 
 
 if RUN_GPG_TESTS
diff --git a/tests/run-swdb.c b/tests/run-swdb.c
new file mode 100644
index 00000000..91ed22f3
--- /dev/null
+++ b/tests/run-swdb.c
@@ -0,0 +1,151 @@
+/* run-swdb.c  - Test tool for SWDB function
+ * 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 <assert.h>
+
+#include <gpgme.h>
+
+#define PGM "run-swdb"
+
+#include "run-support.h"
+
+
+static int verbose;
+
+
+static const char *
+isotimestr (unsigned long value)
+{
+  time_t t;
+  static char buffer[25+5];
+  struct tm *tp;
+
+  if (!value)
+    return "none";
+  t = value;
+
+  tp = gmtime (&t);
+  snprintf (buffer, sizeof buffer, "%04d-%02d-%02d %02d:%02d:%02d",
+            1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday,
+            tp->tm_hour, tp->tm_min, tp->tm_sec);
+  return buffer;
+}
+
+
+static int
+show_usage (int ex)
+{
+  fputs ("usage: " PGM " [options] NAME [VERSION]\n\n"
+         "Options:\n"
+         "  --verbose        run in verbose mode\n"
+         "  --status         print status lines from the backend\n"
+         , stderr);
+  exit (ex);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  int last_argc = -1;
+  gpgme_error_t err;
+  gpgme_ctx_t ctx;
+  gpgme_protocol_t protocol = GPGME_PROTOCOL_GPGCONF;
+  const char *name;
+  const char *iversion;
+  gpgme_query_swdb_result_t result;
+
+  if (argc)
+    { argc--; argv++; }
+
+  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 (!strncmp (*argv, "--", 2))
+        show_usage (1);
+    }
+
+  if (argc < 1 || argc > 2)
+    show_usage (1);
+  name = argv[0];
+  iversion = argc > 1? argv[1] : NULL;
+
+  init_gpgme (protocol);
+
+  err = gpgme_new (&ctx);
+  fail_if_err (err);
+  gpgme_set_protocol (ctx, protocol);
+
+  err = gpgme_op_query_swdb (ctx, name, iversion, 0);
+  if (err)
+    {
+      fprintf (stderr, PGM ": error querying swdb: %s\n", gpg_strerror (err));
+      exit (1);
+    }
+
+  result = gpgme_op_query_swdb_result (ctx);
+  if (!result)
+    {
+      fprintf (stderr, PGM ": error querying swdb: %s\n", "no result");
+      exit (1);
+    }
+
+  printf ("package ...: %s\n"
+          "iversion ..: %s\n"
+          "version ...: %s\n",
+          nonnull (result->name),
+          nonnull (result->iversion),
+          nonnull (result->version));
+  printf ("reldate ...: %s\n", isotimestr (result->reldate));
+  printf ("created ...: %s\n", isotimestr (result->created));
+  printf ("retrieved .: %s\n", isotimestr (result->retrieved));
+  printf ("flags .....:%s%s%s%s%s%s%s\n",
+          result->warning? " warning" : "",
+          result->update?  " update"  : "",
+          result->urgent?  " urgent"  : "",
+          result->unknown? " unknown" : "",
+          result->tooold?  " tooold"  : "",
+          result->noinfo?  " noinfo"  : "",
+          result->error?   " error"   : "" );
+
+
+  gpgme_release (ctx);
+  return 0;
+}