scd: Add new command: KEYINFO.

* scd/app-common.h (struct app_ctx_s): Add with_keygrip function.
* scd/app-openpgp.c (do_with_keygrip): New.
* scd/app.c (app_do_with_keygrip): New.
* scd/command.c (cmd_keyinfo): New.
(send_keyinfo): New.

--

KEYGRIP_ACTION_LOOKUP is not yet used.  It will be used for directly
asking PK* action to determine an APP.

Signed-off-by: NIIBE Yutaka <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/scd/app-common.h b/scd/app-common.h
index 6bb8eba50..8a25cda55 100644
--- a/scd/app-common.h
+++ b/scd/app-common.h
@@ -126,9 +126,18 @@ struct app_ctx_s {
     gpg_error_t (*check_pin) (app_t app, const char *keyidstr,
                       gpg_error_t (*pincb)(void*, const char *, char **),
                       void *pincb_arg);
+    int (*with_keygrip) (app_t app, ctrl_t ctrl, int action,
+                         const char *keygrip_str);
   } fnc;
 };
 
+enum
+ {
+  KEYGRIP_ACTION_SEND_DATA,
+  KEYGRIP_ACTION_WRITE_STATUS,
+  KEYGRIP_ACTION_LOOKUP
+ };
+
 /*-- app-help.c --*/
 unsigned int app_help_count_bits (const unsigned char *a, size_t len);
 gpg_error_t app_help_get_keygrip_string_pk (const void *pk, size_t pklen,
@@ -206,6 +215,7 @@ gpg_error_t app_change_pin (app_t app, ctrl_t ctrl,
 gpg_error_t app_check_pin (app_t app, ctrl_t ctrl, const char *keyidstr,
                    gpg_error_t (*pincb)(void*, const char *, char **),
                    void *pincb_arg);
+app_t app_do_with_keygrip (ctrl_t ctrl, int action, const char *keygrip_str);
 
 
 /*-- app-openpgp.c --*/