kbx: Create public-keys.d, after creating the homedir.

* kbx/keyboxd.c (create_directories): Following the behavior of
gpg-agent, call create_public_keys_directory after mkdir.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

kbx/keyboxd.c

@@ -1262,6 +1262,7 @@ create_directories (void)
                 {
                   if (!opt.quiet)
                     log_info (_("directory '%s' created\n"), home);
+                  create_public_keys_directory (home);
                 }
             }
         }

tools/dotlock.c

@@ -0,0 +1,87 @@
+/* dotlock.c - Command to handle dotlock.
+ *	Copyright (C) 2023 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 <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#ifdef HAVE_W32_SYSTEM
+# include "windows.h"
+#else
+#include <sys/random.h>
+#endif
+
+#include "dotlock.h"
+
+static void
+lock (const char *fname)
+{
+  dotlock_t h;
+  unsigned int flags = DOTLOCK_FLAG_LOCK_BY_PARENT;
+
+  h = dotlock_create (fname, flags);
+  if (!h)
+    die ("error creating lock file for '%s': %s", fname, strerror (errno));
+
+  if (dotlock_take (h, 0))
+    die ("error taking lock");
+}
+
+static void
+unlock (const char *fname, long timeout)
+{
+  dotlock_t h;
+  unsigned int flags = (DOTLOCK_FLAG_LOCK_BY_PARENT
+                        | DOTLOCK_FLAG_READONLY);
+
+  h = dotlock_create (fname, flags);
+  if (!h)
+    die ("error creating lock file for '%s': %s", fname, strerror (errno));
+
+  dotlock_destroy (h);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  const char *fname;
+
+  fname = argv[argc-1];
+
+  if ()
+    lock (fname);
+  else
+    unlock (fname);
+
+  return 0;
+}
+
+
+/*
+Local Variables:
+compile-command: "cc -Wall -O2 -D_FILE_OFFSET_BITS=64 -o t-dotlock t-dotlock.c"
+End:
+*/