(show_file): Implement it.
* keyformat.txt: Define the created-at attribute for keys.
* ccid-driver.c: Replaced macro DEBUG_T1 by a new debug level.
(parse_ccid_descriptor): Mark SCR335 firmware version 5.18 good.
(ccid_transceive): Arghhh. The seqno is another bit in the
R-block than in the I block, this was wrong at one place.
* scdaemon.c: New options --debug-ccid-driver and
--debug-disable-ticker.
* app-openpgp.c (do_genkey, do_writekey): Factored code to check
for existing key out into ..
(does_key_exist): .. New function.
* gpg-connect-agent.c (add_definq, show_definq, clear_definq)
(handle_inquire): New.
(read_and_print_response): Handle INQUIRE command.
(main): Implement control commands.
%0A may pass through.
* agent.h (server_control_s): New field USE_AUTH_CALL.
* call-scd.c (agent_card_pksign): Make use of it.
* command-ssh.c (data_sign): Set the flag.
(ssh_send_key_public): New arg OVERRIDE_COMMENT.
(card_key_available): Add new arg CARDSN.
(ssh_handler_request_identities): Use the card s/n as comment.
(sexp_key_extract): Use GCRYMPI_FMT_STD.
(data_sign): Ditto.
* learncard.c (make_shadow_info): Moved to ..
* protect.c (make_shadow_info): .. here. Return NULL on malloc
failure. Made global.
* agent.h: Add prototype.
* xasprintf.c (xtryasprintf): New.
* app-openpgp.c (get_public_key): Make sure not to return negative
numbers.
(do_sign): Allow passing of indata with algorithm prefix.
(do_auth): Allow OPENPGP.3 as an alternative ID.
* app.c (app_getattr): Return just the S/N but not the timestamp.
* no-libgcrypt.c (gcry_strdup): New.
select returns with -1.
* tools.texi (gpg-connect-agent): New.
* app-openpgp.c (get_one_do): Never try to get a non cacheable
object from the cache.
(get_one_do): Add new arg to return an error code. Changed all
callers.
(do_getattr): Let it return a proper error code.
* app.c (select_application): Return an error code and the
application context in an new arg.
* command.c (open_card): Adjusted for that. Don't use the
fallback if no card is present. Return an error if the card has
been removed without a reset.
(do_reset, cmd_serialno): Clear that error flag.
(TEST_CARD_REMOVAL): New. Use it with all command handlers.
* scdaemon.c (ticker_thread): Termintate if a shutdown is pending.
* apdu.c: Added some PCSC error codes.
(pcsc_error_to_sw): New.
(reset_pcsc_reader, pcsc_get_status, pcsc_send_apdu)
(open_pcsc_reader): Do proper error code mapping.
* gpg-connect-agent.c: New.
* Makefile.am: Add it.