dirmngr: Print a WARNING status for DNS config problems.

* dirmngr/dirmngr-status.h: New.
* dirmngr/dirmngr.h: Include dirmngr-status.h and move some prototypes
to that file.
* dirmngr/t-support.c: New.
* dirmngr/Makefile.am (dirmngr_SOURCES): Add dirmngr-status.h.
(t_common_src): Add t-support.c.
* dirmngr/server.c (dirmngr_status_printf): Bypass if CTRL is NULL.
* dirmngr/dns-stuff.c: Include dirmngr-status.h.
(libdns_init): Print WARNING status line.  Change call callers to take
and pass a CTRL argument.
* g10/call-dirmngr.c (ks_status_cb): Print info for new WARNING
status.
--

To test this you can change RESOLV_CONF_NAME in dns-stuff.c and run
gpg --recv-key -v SOMETHING.

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

1 files changed, 39 insertions, 0 deletions

diff --git a/dirmngr/dirmngr-status.h b/dirmngr/dirmngr-status.h
new file mode 100644
index 000000000..2c3fd78a3
--- /dev/null
+++ b/dirmngr/dirmngr-status.h
@@ -0,0 +1,39 @@
+/* dirmngr-status.h - Status code helper functions for dirmnmgr.
+ * Copyright (C) 2004, 2014, 2015, 2018 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+
+ */
+
+/* We keep them separate so that we don't always need to include the
+ * entire dirmngr.h */
+
+#ifndef DIRMNGR_STATUS_H
+#define DIRMNGR_STATUS_H
+
+
+/*-- server.c --*/
+gpg_error_t dirmngr_status (ctrl_t ctrl, const char *keyword, ...);
+gpg_error_t dirmngr_status_help (ctrl_t ctrl, const char *text);
+gpg_error_t dirmngr_status_helpf (ctrl_t ctrl, const char *format,
+                                  ...) GPGRT_ATTR_PRINTF(2,3);
+gpg_error_t dirmngr_status_printf (ctrl_t ctrl, const char *keyword,
+                                   const char *format,
+                                   ...) GPGRT_ATTR_PRINTF(3,4);
+
+
+#endif /* DIRMNGR_STATUS_H */