From 55eef71dbed7b98dc5b1a3750d10c8cb0df2cff2 Mon Sep 17 00:00:00 2001
From: Alexander Kulbartsch <alexander.kulbartsch@gnupg.com>
Date: Wed, 12 Oct 2022 18:24:07 +0200
Subject: wkd: gpg-wks-client --send checks if build with sendmail support

* tools/gpg-wks-client.c (main): Return GPG_ERR_NOT_IMPLEMENTED if
gnupg was build without sendmail support.  (NAME_OF_SENDMAIL=="")
---
 tools/gpg-wks-client.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/gpg-wks-client.c b/tools/gpg-wks-client.c
index a30457e75..f77df8813 100644
--- a/tools/gpg-wks-client.c
+++ b/tools/gpg-wks-client.c
@@ -306,6 +306,14 @@ main (int argc, char **argv)
   cmd = parse_arguments (&pargs, opts);
   gpgrt_argparse (NULL, &pargs, NULL);
 
+  /* Check if gpg is build with sendmail support */
+  if (opt.use_sendmail && !NAME_OF_SENDMAIL[0])
+    {
+      err = gpg_error (GPG_ERR_NOT_IMPLEMENTED);
+      log_error ("sending mail is not supported in this build: %s\n",
+                gpg_strerror (err));
+    }
+
   if (log_get_errorcount (0))
     exit (2);
 
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