scd:openpgp: Add attribute "UIF" for convenience.

* scd/app-openpgp.c (do_getattr): New attrubute "UIF".
(do_learn_status): Use that.
--

Actually this is not just convenience but will make it easier to add
new keys to an openpgp card - we will need to change this only at one
place.

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

1 files changed, 11 insertions, 5 deletions

diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c
index 42dcdaad1..6c0c0f6d9 100644
--- a/scd/app-openpgp.c
+++ b/scd/app-openpgp.c
@@ -1080,6 +1080,7 @@ do_getattr (app_t app, ctrl_t ctrl, const char *name)
     { "UIF-1",        0x00D6, 0 },
     { "UIF-2",        0x00D7, 0 },
     { "UIF-3",        0x00D8, 0 },
+    { "UIF",          0x0000, -9 },  /* Shortcut for all UIF */
     { "KDF",          0x00F9, 5 },
     { "MANUFACTURER", 0x0000, -8 },
     { NULL, 0 }
@@ -1180,6 +1181,15 @@ do_getattr (app_t app, ctrl_t ctrl, const char *name)
          app->app_local->manufacturer,
          get_manufacturer (app->app_local->manufacturer));
     }
+  if (table[idx].special == -9)
+    {
+      rc = do_getattr (app, ctrl, "UIF-1");
+      if (!rc)
+        rc = do_getattr (app, ctrl, "UIF-2");
+      if (!rc)
+        rc = do_getattr (app, ctrl, "UIF-3");
+      return rc;
+    }
 
   relptr = get_one_do (app, table[idx].tag, &value, &valuelen, &rc);
   if (relptr)
@@ -2002,11 +2012,7 @@ do_learn_status (app_t app, ctrl_t ctrl, unsigned int flags)
   if (app->app_local->extcap.kdf_do)
     do_getattr (app, ctrl, "KDF");
   if (app->app_local->extcap.has_button)
-    {
-      do_getattr (app, ctrl, "UIF-1");
-      do_getattr (app, ctrl, "UIF-2");
-      do_getattr (app, ctrl, "UIF-3");
-    }
+    do_getattr (app, ctrl, "UIF");
   if (app->app_local->extcap.private_dos)
     {
       do_getattr (app, ctrl, "PRIVATE-DO-1");