sm: Show the usage flags when generating a key from a card.

* g10/call-agent.c (scd_keypairinfo_status_cb): Also store the usage
flags.
* sm/call-agent.c (scd_keypairinfo_status_cb): Ditto.
* sm/certreqgen-ui.c (gpgsm_gencertreq_tty): Print the usage flags.

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

1 files changed, 18 insertions, 2 deletions

diff --git a/g10/call-agent.c b/g10/call-agent.c
index b02d6c68f..83ca921a7 100644
--- a/g10/call-agent.c
+++ b/g10/call-agent.c
@@ -798,7 +798,22 @@ scd_keypairinfo_status_cb (void *opaque, const char *line)
             p++;
           while (*p && !spacep (p))
             p++;
-          *p = 0;
+          if (*p)
+            {
+              *p++ = 0;
+              while (spacep (p))
+                p++;
+              while (*p && !spacep (p))
+                {
+                  switch (*p++)
+                    {
+                    case 'c': sl->flags |= GCRY_PK_USAGE_CERT; break;
+                    case 's': sl->flags |= GCRY_PK_USAGE_SIGN; break;
+                    case 'e': sl->flags |= GCRY_PK_USAGE_ENCR; break;
+                    case 'a': sl->flags |= GCRY_PK_USAGE_AUTH; break;
+                    }
+                }
+            }
         }
     }
 
@@ -808,7 +823,8 @@ scd_keypairinfo_status_cb (void *opaque, const char *line)
 
 /* Read the keypairinfo lines of the current card directly from
  * scdaemon.  The list is returned as a string made up of the keygrip,
- * a space and the keyref.  */
+ * a space and the keyref.  The flags of the string carry the usage
+ * bits. */
 gpg_error_t
 agent_scd_keypairinfo (ctrl_t ctrl, strlist_t *r_list)
 {