agent: Send PROGRESS status lines to the client.

* agent/gpg-agent.c (struct progress_dispatch_s): New.
(progress_dispatch_list): New.
(main): Register libgcrypt pogress handler.
(agent_libgcrypt_progress_cb): New.
(agent_set_progress_cb): New.
(unregister_progress_cb): New.
(agent_deinit_default_ctrl): Call unregister.
* agent/command.c (progress_cb): New.
(start_command_handler): Register progress callback.
--

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

1 files changed, 3 insertions, 0 deletions

diff --git a/agent/agent.h b/agent/agent.h
index c7e14332c..c2726bbbc 100644
--- a/agent/agent.h
+++ b/agent/agent.h
@@ -336,6 +336,9 @@ typedef int (*lookup_ttl_t)(const char *hexgrip);
 /*-- gpg-agent.c --*/
 void agent_exit (int rc)
                 GPGRT_ATTR_NORETURN; /* Also implemented in other tools */
+void agent_set_progress_cb (void (*cb)(ctrl_t ctrl, const char *what,
+                                       int printchar, int current, int total),
+                            ctrl_t ctrl);
 gpg_error_t agent_copy_startup_env (ctrl_t ctrl);
 const char *get_agent_socket_name (void);
 const char *get_agent_ssh_socket_name (void);