From 55ac5eed9f59081283d34098a9e0ada753d61d59 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Tue, 21 Mar 2017 11:16:16 +0100
Subject: [PATCH] core: Extend gpgme_get_dirinfo to return the gpg-wks-client
 name.

* src/dirinfo.c (WANT_GPG_WKS_CLIENT_NAME): New const.
(struct dirinfo): New field 'gpg_wks_client_name'.
(get_gpgconf_item): Build it on demand.
(gpgme_get_dirinfo): New value "gpg-wks-client-name" for WHAT.

Signed-off-by: Werner Koch <wk@gnupg.org>
---
 doc/gpgme.texi        |  3 +++
 src/dirinfo.c         | 12 ++++++++++++
 tests/t-engine-info.c |  4 +++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/doc/gpgme.texi b/doc/gpgme.texi
index a4ab5c4f..98462990 100644
--- a/doc/gpgme.texi
+++ b/doc/gpgme.texi
@@ -979,6 +979,9 @@ Return the file name of the CMS engine.
 @item g13-name
 Return the name of the file container encryption engine.
 
+@item gpg-wks-client-name
+Return the name of the Web Key Service tool.
+
 @end table
 
 @end deftypefun
diff --git a/src/dirinfo.c b/src/dirinfo.c
index a0cbc03e..73744124 100644
--- a/src/dirinfo.c
+++ b/src/dirinfo.c
@@ -51,6 +51,7 @@ enum
     WANT_GPG_NAME,
     WANT_GPGSM_NAME,
     WANT_G13_NAME,
+    WANT_GPG_WKS_CLIENT_NAME,
     WANT_GPG_ONE_MODE
   };
 
@@ -73,6 +74,7 @@ static struct {
   char *gpg_name;
   char *gpgsm_name;
   char *g13_name;
+  char *gpg_wks_client_name;
   int  gpg_one_mode;  /* System is in gpg1 mode.  */
 } dirinfo;
 
@@ -333,6 +335,14 @@ get_gpgconf_item (int what)
     case WANT_G13_NAME:   result = dirinfo.g13_name; break;
     case WANT_UISRV_SOCKET:  result = dirinfo.uisrv_socket; break;
     case WANT_GPG_ONE_MODE: result = dirinfo.gpg_one_mode? "1":NULL; break;
+    case WANT_GPG_WKS_CLIENT_NAME:
+      if (!dirinfo.gpg_wks_client_name && dirinfo.libexecdir)
+        dirinfo.gpg_wks_client_name = _gpgme_strconcat (dirinfo.libexecdir,
+                                                        "/",
+                                                        "gpg-wks-client",
+                                                        NULL);
+      result = dirinfo.gpg_wks_client_name;
+      break;
     }
   UNLOCK (dirinfo_lock);
   return result;
@@ -438,6 +448,8 @@ gpgme_get_dirinfo (const char *what)
     return get_gpgconf_item (WANT_GPGSM_NAME);
   else if (!strcmp (what, "g13-name"))
     return get_gpgconf_item (WANT_G13_NAME);
+  else if (!strcmp (what, "gpg-wks-client-name"))
+    return get_gpgconf_item (WANT_GPG_WKS_CLIENT_NAME);
   else if (!strcmp (what, "agent-ssh-socket"))
     return get_gpgconf_item (WANT_AGENT_SSH_SOCKET);
   else if (!strcmp (what, "dirmngr-socket"))
diff --git a/tests/t-engine-info.c b/tests/t-engine-info.c
index 8f617f9a..43257eb0 100644
--- a/tests/t-engine-info.c
+++ b/tests/t-engine-info.c
@@ -125,7 +125,9 @@ main (int argc, char **argv )
                           "gpgconf-name",
                           "gpg-name",
                           "gpgsm-name",
-                          "g13-name", NULL };
+                          "g13-name",
+                          "gpg-wks-client-name",
+                          NULL };
     const char *s;
     int i;