gnupg/scd/ChangeLog

2005-05-31  Werner Koch  <wk@g10code.com>

	* tlv.c [GNUPG_MAJOR_VERSION==1]: Define constants instead of
	including a gnupg 1.4 header.

2005-05-30  Werner Koch  <wk@g10code.com>

	* tlv.c: Add hack to compile without gpg-error.h when used with
	GnuPG 1.4.

2005-05-23  Werner Koch  <wk@g10code.com>

	* Makefile.am: Do not build sc-copykeys anymore.

	* app-openpgp.c (app_openpgp_storekey, app_openpgp_readkey)
	(app_openpgp_cardinfo): Removed.

	* ccid-driver.c (parse_ccid_descriptor): SCR335 FW version 5.14 is
	good.
	(do_close_reader): Never do a reset. The caller should instead
	make sure that the reader has been closed properly.  The new retry
	code in ccid_slot_status will make sure that the readersatrts up
	fine even if the last process didn't closed the USB connection
	properly.
	(ccid_get_atr): For certain readers try switching to ISO mode.
	Thanks to Ludovic Rousseau for this hint and the magic numbers.
	(print_command_failed): New.
	(bulk_in): Use it here. Add new arg NO_DEBUG.
	(ccid_slot_status): Disabled debugging.

2005-05-21  Werner Koch  <wk@g10code.com>

	* scdaemon.c (handle_signal): Print thread info on SIGUSR1.

2005-05-20  Werner Koch  <wk@g10code.com>

	* 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.

2005-05-19  Werner Koch  <wk@g10code.com>

	* tlv.c (parse_sexp): New.

	* command.c (cmd_writekey): New.
	* app.c (app_writekey): New.
	* app-common.c (app_t): Add function ptr WRITEKEY.
	* app-openpgp.c (do_writekey): New.

	* app-openpgp.c (do_readkey) [GNUPG_MAJOR_VERSION==1]: Return error.
	* app-common.h (app_t) [GNUPG_MAJOR_VERSION==1]: Add a field to
	store the Assuan context.

2005-05-17  Werner Koch  <wk@g10code.com>

	* scdaemon.c: Removed non-pth code paths.
	(create_socket_name, create_server_socket): New.  Taken from
	../agent/gpg-agent.
	(cleanup): Changed to adjust for SOCKET_NAME now being malloced.
	(ticker_thread): Always use pth_event_occurred; it is again
	defined for all decent PTH versions.
	(handle_connections): New. Based on the gpg-agent code.
	(start_connection_thread): Ditto.
	(ticker_thread): Removed.
	(cleanup_sh): Removed.
	(main): Run the handler for the pipe server in a separate
	thread.  This replaces the old ticker thread.
	(scd_get_socket_name): New.
	* command.c (cmd_getinfo): New command GETINFO.
	(scd_command_handler): Renamed argument and changed code to use an
	already connected FD.

2005-05-15  Werner Koch  <wk@g10code.com>

	* app.c, app-common.h, app-nks.c, app-p15.c, app-dinsig.c
	* app-openpgp.c: Change most function return types from int to
	gpg_error_t.
	* command.c (pin_cb): Ditto.
	* sc-copykeys.c (pincb): Ditto.

	* app.c (lock_reader, unlock_reader): New.  Changed call handler
	wrappers to make use of these functions.

2005-05-07  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (do_close_reader): Don't do a reset before close.
	Some folks reported that it makes the SCR335 hang less often.
	Look at the source on how to re-enable it.

2005-04-27  Werner Koch  <wk@g10code.com>

	* app-p15.c (micardo_mse): New.
	(do_sign): Call it.
	* iso7816.c (iso7816_manage_security_env): Allow passing DATA as
	NULL to indicate an empty Lc.
	* tlv.c (find_tlv): Check that a found object fits into the
	buffer.
	(find_tlv_unchecked): New as replacement for the old non-checking
	variant.
	* app.c (select_application): Keep on using the non-checking
	variant.
	* app-openpgp.c (get_one_do, dump_all_do): Ditto.

	
	Removal of the old OpenSC based code.
	
	* app-p15.c: New.  Basic support for pkcs15 cards without OpenSC.
	There are quite a couple of things missing but at least I can use
	my old TCOS cards from the Aegypten-1 development for signing.
	* app.c (select_application): Detect pkcs15 applications.
	* Makefile.am (scdaemon_SOURCES): Removed card.c, card-common.h
	and card-p15.c because they are now obsolete. Added app-p15.c.
	Removed all OpenSC stuff.
	* command.c (do_reset, open_card, cmd_serialno, cmd_learn) 
	(cmd_readcert, cmd_readkey, cmd_pksign, cmd_pkdecrypt): Removed
	all special cases for the old card.c based mechanisms.
	* scdaemon.c, apdu.c: Removed all special cases for OpenSC.

2005-04-20  Werner Koch  <wk@g10code.com>

	* command.c: Use GPG_ERR_LOCKED instead of EBUSY.

2005-04-14  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (retrieve_key_material): Rewritten.  Return a
	proper error code.
	(retrieve_next_token): Removed.
	(retrieve_fpr_from_card): Rewritten to make use of DO caching and
	to take the KEYNO as arg.
	(get_public_key): Renamed variable for clarity.

2005-04-12  Werner Koch  <wk@g10code.com>

	Basic support for several sessions.
	
	* command.c (scd_command_handler): Replace the primary_connection
	stuff by a real connection list.  Release the local context on
	exit.
	(scd_update_reader_status_file): Update accordingly.  Send signal
	to all connections who registered an event signal.
	(cmd_lock, cmd_unlock, register_commands): New commands LOCK and
	UNLOCK.
	(cmd_setdata, cmd_pksign, cmd_pkauth, cmd_pkdecrypt, cmd_setattr) 
	(cmd_genkey, cmd_passwd, cmd_checkpin): Return an error if reader
	is locked.
	(do_reset): Handle locking.
	(open_card): Ditto.  Share the reader slot with other sessions.
	(get_reader_slot): New.
	(update_card_removed): New.  Use it in the TEST_CARD_REMOVAL macro.

2005-04-07  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (do_check_pin): Add hack to allow verification of
	CHV3.
	(get_public_key): Don't use gcry functions to create S-expressions.
	(do_deinit, do_readkey, do_genkey, send_keypair_info): Adjust for
	above change.

2005-03-29  Moritz Schulte  <moritz@g10code.com>

	* app-openpgp.c (retrieve_fpr_from_card): New function.
	(retrieve_next_token): New function.
	(retrieve_key_material): New function.
	(get_public_key): Implement retrival of key through expernal
	helper (gpg) in case the openpgp card is not cooperative enough.

2005-03-16  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (parse_ccid_descriptor): Make SCM workaround
	reader type specific.
	(scan_or_find_devices): Do not check the interface subclass in the
	SPR532 kludge, as this depends on the firmware version.
	(ccid_get_atr): Get the Slot status first.  This solves the
	problem with readers hanging on recent Linux 2.6.x.
	(bulk_in): Add argument TIMEOUT and changed all callers to pass an
	appropriate one.  Change the standard timeout from 10 to 5 seconds.
	(ccid_slot_status): Add a retry code with an initial short timeout.
	(do_close_reader): Do an usb_reset before closing the reader.

2005-02-25  Werner Koch  <wk@g10code.com>

	* 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.

2005-02-24  Werner Koch  <wk@g10code.com>

	* app.c (app_getattr): Return APPTYPE or SERIALNO type even if the
	application does dot support the getattr call.

	* 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.
	(scd_update_reader_status_file): Set the error flag on all changes.

	* 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.

2005-03-16  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (parse_ccid_descriptor): Make SCM workaround
	reader type specific.
	(scan_or_find_devices): Do not check the interface subclass in the
	SPR532 kludge, as this depends on the firmware version.
	(ccid_get_atr): Get the Slot status first.  This solves the
	problem with readers hanging on recent Linux 2.6.x.

2005-02-22  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (app_local_s): New field PK.
	(do_deinit, do_genkey, app_openpgp_storekey): Clear it.
	(get_public_key, send_keypair_info): New.
	(do_learn_status): Send KEYPAIR info

	* app-common.h (app_ctx_t): Add function pointer READKEY.
	* app.c (app_readkey): New.
	* command.c (cmd_readkey): Use READKEY function if possible.

2005-01-26  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (parse_ccid_descriptor): Need the CSM workaround
	also for newer firmware versions.  Need to get a list of fixed
	firmware versions and use that.

2005-01-25  Werner Koch  <wk@g10code.com>

	* apdu.c (apdu_send_le, apdu_send_direct): Fix some compiler
	warnings.

	* app-openpgp.c (get_cached_data): New arg GET_IMMEDIATE to bypass
	the cache.  Changed all callers.
	(get_one_do): Bypass the cache if the value would have been read
	directly for v1.1 cards.It makes things a bit slower but obnly for
	1.0 cards and there are not that many cards out in the wild.  This
	is required to fix a caching bug when generating new keys; as a
	side effect of the retrieval of the the C4 DO from the 6E DO the
	cached fingerprint will get updated to the old value and later
	when signing the generated key the checking of the fingerprint
	fails because it won't match the new one.  Thanks to Moritz for
	analyzing this problem.
	(verify_chv3): Removed the CHV status reread logic because we
	won't cache the C4 DO anymore.

2004-12-28  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (find_endpoint): New.
	(scan_or_find_devices): Add new args to return endpoint info and
	interface number.
	(ccid_open_reader, ccid_shutdown_reader): Take care of these new
	args.
	(bulk_in, bulk_out): Use the correct endpoints.
	(ccid_transceive_apdu_level): New.
	(ccid_transceive): Divert to above.
	(parse_ccid_descriptor): Allow APDU level exchange mode.
	(do_close_reader): Pass the interface number to usb_release_interface.

2004-12-21  Werner Koch  <wk@g10code.com>

	* scdaemon.c (main): Use default_homedir().

2004-12-18  Werner Koch  <wk@g10code.com>

	* scdaemon.c (main) [W32]: Remove special Pth initialize..

	* scdaemon.h (map_assuan_err): Define in terms of
	map_assuan_err_with_source.

2004-12-15  Werner Koch  <wk@g10code.com>

	* scdaemon.c [W32]: Various hacks to make it run under W32.

	* command.c (scd_update_reader_status_file) [W32]: Don't use kill.

	* apdu.c [W32]: Disable use of pcsc_wrapper.

	* Makefile.am (scdaemon_LDADD): Reorder libs.
	(sc_copykeys_LDADD): Add libassuan because it is needed for W32. 

2004-12-06  Werner Koch  <wk@g10code.com>

	* Makefile.am (pkglib_PROGRAMS): Build only for W32.

2004-10-22  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (verify_chv3): The minium length for CHV3 is
	8. Changed string to match the other ones.

2004-10-21  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (do_sign): Replace asprintf by direct allocation.
	This avoids problems with missing vasprintf implementations in
	gnupg 1.4.

	* app-common.h (app_openpgp_storekey: Add prototype. 

2004-10-20  Werner Koch  <wk@g10code.com>

	* sc-investigate: Removed.
	* Makefile.am (sc_investigate): Removed.
	
	* pcsc-wrapper.c (load_pcsc_driver): Load get_status_change func.
	(handle_open): Succeed even without a present card.
	(handle_status, handle_reset): New.
	
	* apdu.c (apdu_open_reader): Load pcsc_get_status_change fucntion.
	(pcsc_get_status): Implemented.
	(reset_pcsc_reader): Implemented.
	(open_pcsc_reader): Succeed even with no card inserted.
	(open_ccid_reader): Set LAST_STATUS.

	* iso7816.c (iso7816_select_application): Always use 0 for P1.

2004-10-18  Werner Koch  <wk@g10code.com>

	* ccid-driver.c (ccid_get_atr): Reset T=1 state info.

2004-10-14  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (parse_login_data): New. 
	(app_select_openpgp): Call it.
	(do_setattr): Reparse it after change.

2004-10-06  Werner Koch  <wk@g10code.de>

	* ccid-driver.c (ccid_open_reader): Store the vendor ID.
	(ccid_transceive_secure): New.
	(parse_ccid_descriptor): Workaround for an SCM reader problem.

2004-10-04  Werner Koch  <wk@g10code.de>

	* ccid-driver.c (send_escape_cmd): New.

2004-09-30  Werner Koch  <wk@g10code.com>

	* Makefile.am: Adjusted for gettext 0.14.

	* app-openpgp.c (do_sign): Add the error string to the verify
	failed messages.

2004-09-27  Werner Koch  <wk@g10code.com>

        From gnupg 1.3

	* app-openpgp.c: Made all strings translatable.
	(verify_chv3) [GNUPG_MAJOR_VERSION]: Make opt.allow_admin
	available for use in gnupg 2. 
	(verify_chv3): Reimplemented countdown showing to use only
	functions from this module.  Flush the CVH status cache on a
	successful read.
	(get_one_do): Hack to bypass the cache for cards versions > 1.0.
	(store_fpr): Store the creation date for card version > 1.0.

	* app-openpgp.c (app_openpgp_storekey): Call flush_cache.
	(get_cached_data): Move local data initialization to ..
	(app_select_openpgp): .. here. Read some flags for later use.
	(do_getattr): New read-only attribute EXTCAP.
	
	* apdu.c (open_pcsc_reader): Do not print empty reader string.

	* ccid-driver.c (do_close_reader): Factored some code out from ...
	(ccid_close_reader): ..here.
	(ccid_shutdown_reader): New.

	* apdu.c (apdu_shutdown_reader): New.
	(shutdown_ccid_reader): New.

	* apdu.c (open_ccid_reader): New arg PORTSTR.  Pass it to
	ccid_open_reader.
	(apdu_open_reader): Pass portstr to open_ccid_reader.
	(apdu_open_reader): No fallback if a full CCID reader id has been
	given.

	* ccid-driver.c (ccid_get_reader_list): New.
	(ccid_open_reader): Changed API to take a string for the reader.
	Removed al the cruft for the libusb development vesion which seems
	not to be maintained anymore and there are no packages anyway.
	The stable library works just fine.
	(struct ccid_reader_id_s): Deleted and replaced everywhere by a
	simple string.
	(usb_get_string_simple): Removed.
	(bulk_in): Do valgrind hack here and not just everywhere.

	* ccid-driver.c (read_device_info): Removed.
	(make_reader_id, scan_or_find_devices): New.
	(ccid_open_reader): Simplified by make use of the new functions.
	(ccid_set_debug_level): New.  Changed the macros to make use of
	it.  It has turned out that it is often useful to enable debugging
	at runtime so I added this option.

        From gnupg 1.3 - David Shaw  <dshaw@jabberwocky.com>

	* app-openpgp.c (verify_chv3): Show a countdown of how many wrong
	admin PINs can be entered before the card is locked.

	* app-openpgp.c (get_cached_data): Avoid mallocing zero since it
	breaks us when using --enable-m-guard.

	* ccid-driver.c (usb_get_string_simple): Replacement function to
	work with older libusb.

	* ccid-driver.c (read_device_info): Fix segfault when usb device
	is not accessible.
	(ccid_open_reader): Allow working with an even older version of
	libusb (usb_busses global instead of usb_get_busses()).

2004-09-11  Werner Koch  <wk@g10code.com>

	* app-openpgp.c (app_select_openpgp): Its app_munge_serialno and
	not app_number_serialno.

2004-08-20  Werner Koch  <wk@g10code.de>

	* app.c (select_application): Fixed serial number extraction and
	added the BMI card workaround.
	(app_munge_serialno): New.
	* app-openpgp.c (app_select_openpgp): Try munging serialno.

2004-08-05  Werner Koch  <wk@g10code.de>

	* scdaemon.c (main): New option --disable-application.
	* app.c (is_app_allowed): New.
	(select_application): Use it to check for disabled applications.

	* ccid-driver.h (CCID_DRIVER_ERR_ABORTED): New.
	* ccid-driver.c (ccid_open_reader): Support the stable 0.1 version
	of libusb.
	(ccid_get_atr): Handle short messages.

	* apdu.c (my_rapdu_get_status): Implemented.

2004-07-27  Moritz Schulte  <moritz@g10code.com>

	* apdu.c: Include <signal.h>.

	* Makefile.am: Use @DL_LIBS@ instead of -ldl.

2004-07-22  Werner Koch  <wk@g10code.de>

	* Makefile.am: Make OpenSC lib link after libgcrypt. Do not link
	to pth.
	* apdu.c: Don't use Pth if we use OpenSC.
	* sc-investigate.c, scdaemon.c: Disable use of pth if OpenSC is used. 

	* scdaemon.c (main): Bumbed thread stack size up to 512k.

2004-07-16  Werner Koch  <wk@gnupg.org>

	* apdu.c (reader_table_s):  Add function pointers for the backends.
	(apdu_close_reader, apdu_get_status, apdu_activate) 
	(send_apdu): Make use of them.
	(new_reader_slot): Intialize them to NULL.
	(dump_ccid_reader_status, ct_dump_reader_status): New.
	(dump_pcsc_reader_status): New.
	(open_ct_reader, open_pcsc_reader, open_ccid_reader) 
	(open_osc_reader, open_rapdu_reader): Intialize function pointers.
	(ct_activate_card, ct_send_apdu, pcsc_send_apdu, osc_send_apdu) 
	(error_string): Removed.  Replaced by apdu_strerror.
	(get_ccid_error_string): Removed.
	(ct_activate_card): Remove the unused loop.
	(reset_ct_reader): Implemented.
	(ct_send_apdu): Activate the card if not yet done.
	(pcsc_send_apdu): Ditto.

2004-07-15  Werner Koch  <wk@gnupg.org>

	* ccid-driver.h: Add error codes.
	* ccid-driver.c: Implement more or less proper error codes all
	over the place.

	* apdu.c (apdu_send_direct): New.
	(get_ccid_error_string): Add some error code mappings.
	(send_apdu): Pass error codes along for drivers already supporting
	them.
	(host_sw_string): New.
	(get_ccid_error_string): Use above.
	(send_apdu_ccid): Reset the reader if it has not yet been done.
	(open_ccid_reader): Don't care if the ATR can't be read.
	(apdu_activate_card): New.
	(apdu_strerror): New.
	(dump_reader_status): Only enable it with opt.VERBOSE.
	* iso7816.c (map_sw): Add mappings for the new error codes.

2004-07-02  Werner Koch  <wk@gnupg.org>

	* apdu.c (open_ct_reader, open_pcsc_reader, open_ccid_reader)
	(reset_ccid_reader, open_osc_reader): Call dump_reader_status only
	in verbose mode.

2004-07-01  Werner Koch  <wk@gnupg.org>

	* sc-investigate.c: Initialize Pth which is now required.
	(interactive_shell): New command "readpk".

	* app-openpgp.c (do_getattr): Fix for sending CA-FPR.

2004-06-30  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (app_openpgp_readkey): Fixed check for valid
	exponent.

2004-06-18  Werner Koch  <wk@g10code.com>

	* sc-investigate.c (my_read_line): Renamed from read_line.

2004-06-16  Werner Koch  <wk@gnupg.org>

	* apdu.c (osc_get_status): Fixed type in function name. Noted by
	Axel Thimm.  Yes, I didn't tested it with OpenSC :-(.

2004-04-28  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (do_setattr): Sync FORCE_CHV1.

2004-04-27  Werner Koch  <wk@gnupg.org>

	* app-common.h: Do not include ksba.h for gnupg 1.

2004-04-26  Werner Koch  <wk@gnupg.org>

	* app-common.h: New members FNC.DEINIT and APP_LOCAL.
	* app.c (release_application): Call new deconstructor.
	* app-openpgp.c (do_deinit): New.
	(get_cached_data, flush_cache_item, flush_cache_after_error)
	(flush_cache): New.
	(get_one_do): Replaced arg SLOT by APP.  Make used of cached data.
	(verify_chv2, verify_chv3): Flush some cache item after error.
	(do_change_pin): Ditto.
	(do_sign): Ditto.
	(do_setattr): Flush cache item.
	(do_genkey): Flush the entire cache.
	(compare_fingerprint): Use cached data.

	* scdaemon.c (main): Do the last change the usual way. This is so
	that we can easily test for versioned config files above.

2004-04-26  Marcus Brinkmann  <marcus@g10code.de>

	* scdaemon.c (main): For now, always print default filename for
	--gpgconf-list, and never /dev/null.

2004-04-21  Werner Koch  <wk@gnupg.org>

	* command.c (scd_update_reader_status_file): Send a signal back to
	the client.
	(option_handler): Parse the new event-signal option.

	* scdaemon.c (handle_signal): Do not use SIGUSR{1,2} anymore for
	changing the verbosity.

2004-04-20  Werner Koch  <wk@gnupg.org>

	* command.c (scd_update_reader_status_file): Write status files.

	* app-help.c (app_help_read_length_of_cert): Fixed calculation of
	R_CERTOFF.

	* pcsc-wrapper.c: New.
	* Makefile.am (pkglib_PROGRAMS): Install it here.
	* apdu.c (writen, readn): New.
	(open_pcsc_reader, pcsc_send_apdu, close_pcsc_reader): Use the
	pcsc-wrapper if we are using Pth.
	(apdu_send_le): Reinitialize RESULTLEN.  Handle SW_EOF_REACHED
	like SW_SUCCESS.

2004-04-19  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c (parse_ccid_descriptor): Store some of the reader
	features away.  New arg HANDLE
	(read_device_info): New arg HANDLE. Changed caller.
	(bulk_in): Handle time extension requests.
	(ccid_get_atr): Setup parameters and the IFSD.
	(compute_edc): New. Factored out code.
	(ccid_transceive): Use default NADs when required.

2004-04-14  Werner Koch  <wk@gnupg.org>

	* scdaemon.h (server_control_s): Add member READER_SLOT.
	* scdaemon.c (scd_init_default_ctrl): Initialize READER_SLOT to -1.
	* command.c (open_card): Reuse an open slot.
	(reset_notify): Just reset the slot if supported by the reader.
	(do_reset): Factored code from above out.
	(scd_command_handler): Use it for cleanup.

	* apdu.h: New pseudo stati SW_HOST_NOT_SUPPORTED,
	SW_HOST_LOCKING_FAILED and SW_HOST_BUSY.
	* iso7816.c (map_sw): Map it.
	
	* ccid-driver.c (ccid_slot_status): Add arg STATUSBITS.
	* apdu.c (apdu_get_status): New.
	(ct_get_status, pcsc_get_status, ocsc_get_status): New stubs.
	(get_status_ccid): New.
	(apdu_reset): New.
	(reset_ct_reader, reset_pcsc_reader, reset_osc_reader): New stubs.
	(reset_ccid_reader): New.
	(apdu_enum_reader): New.
	
	* apdu.c (lock_slot, trylock_slot, unlock_slot): New helpers.
	(new_reader_slot) [USE_GNU_PTH]: Init mutex.
	(apdu_reset, apdu_get_status, apdu_send_le): Run functions
	in locked mode.

	* command.c (scd_update_reader_status_file): New.
	* scdaemon.c (handle_tick): Call it.

2004-04-13  Werner Koch  <wk@gnupg.org>

	* scdaemon.c: Convert to a Pth application.
	(handle_signal, ticker_thread, handle_tick): New.
	(main): Fire up the ticker thread in server mode.

2004-03-23  Werner Koch  <wk@gnupg.org>

	* scdaemon.c (main) <gpgconf_list>: Fixed output for pcsc_driver.

2004-03-17  Werner Koch  <wk@gnupg.org>

	* tlv.c (parse_ber_header): Do not check for tag overflow - it
	does not make sense.  Simplified the check for length overflow.

	* scdaemon.c (main) <gpgconf>: Fixed default value quoting.

2004-03-16  Werner Koch  <wk@gnupg.org>

	* app-dinsig.c: Implemented. Based on app-nks.c and card-dinsig.c
	* app-nks.c (get_length_of_cert): Removed.
	* app-help.c: New.
	(app_help_read_length_of_cert): New.  Code taken from above.  New
	optional arg R_CERTOFF.

	* card-dinsig.c: Removed.
	* card.c (card_get_serial_and_stamp): Do not bind to the old and
	never finsiged card-dinsig.c.

	* iso7816.c (iso7816_read_binary): Allow for an NMAX > 254.

2004-03-11  Werner Koch  <wk@gnupg.org>

	* scdaemon.h (out_of_core): Removed.  Replaced callers by standard
	gpg_error function.

	* apdu.c, iso7816.c, ccid-driver.c [GNUPG_SCD_MAIN_HEADER]: Allow
	to include a header defined by the compiler.  This helps us to
	reuse the source in other software.

2004-03-10  Werner Koch  <wk@gnupg.org>

	* iso7816.c (iso7816_read_record): New arg SHORT_EF.  Changed all
	callers.

2004-02-18  Werner Koch  <wk@gnupg.org>

	* sc-investigate.c (main): Setup the used character set.
	* scdaemon.c (main): Ditto.

	* scdaemon.c (set_debug): New.  Add option --debug-level.
	(main): Add option --gpgconf-list.

2004-02-12  Werner Koch  <wk@gnupg.org>

	* Makefile.am: Include cmacros.am for common flags.

2004-01-29  Werner Koch  <wk@gnupg.org>

	* command.c (reset_notify): Release the application context and
	close the reader.

2004-01-28  Werner Koch  <wk@gnupg.org>

	* iso7816.c (iso7816_manage_security_env): New.
	(iso7816_decipher): Add PADIND argument.

2004-01-27  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_readcert, cmd_readkey): Work on a copy of LINE.

	* app-common.h (app_ctx_s): Added readcert field.
	* app.c (app_readcert): New.
	* tlv.c (parse_ber_header): Added; taken from libksba.

2004-01-26  Werner Koch  <wk@gnupg.org>

	* card.c (map_sc_err): Use SCD as the error source.

	* command.c (open_card): ADD arg NAME to allow requesting a
	specific application.  Changed all callers.
	(cmd_serialno): Allow optional argument to select the desired
	application.

	* app-nks.c: New. 

	* scdaemon.h (opt): Add READER_PORT.
	* scdaemon.c (main): Set it here.
	* app.c (app_set_default_reader_port): Removed.
	(select_application): Add NAME arg and figure out a
	default serial number from the GDO. Add SLOT arg and remove all
	reader management.
	(release_application): New.
	(app_write_learn_status): Output an APPTYPE status line.
	* command.c (open_card): Adapt for select_application change.
	* app-openpgp.c (app_select_openpgp): Removed SN and SNLEN args
	and set it directly.  Changed all callers.

2004-01-25  Werner Koch  <wk@gnupg.org>

	* iso7816.c (iso7816_select_application): P1 kludge for OpenPGP
	card.
	* app-openpgp.c (find_tlv): Factor out this function to ..
	* tlv.c, tlv.h: .. new.

	* scdaemon.h: Introduced app_t and ctrl_t as the new types for APP
	and CTRL.

2004-01-21  Werner Koch  <wk@gnupg.org>

	* apdu.c (apdu_send_le): Treat SW_EOF_REACHED as a warning.

2004-01-20  Werner Koch  <wk@gnupg.org>

	* iso7816.c (iso7816_read_binary): New.
	(iso7816_select_file): New.
	(iso7816_list_directory): New.

	* sc-investigate.c: Add option -i.
	(select_app, read_line, interactive_shell): New.

2004-01-16  Werner Koch  <wk@gnupg.org>

	* apdu.h: Add SW_FILE_NOT_FOUND.
	* iso7816.c (map_sw): Map it to GPG_ERR_ENOENT.
	* iso7816.c (iso7816_select_file): New.

	* app-dinsig.c: New file w/o any real code yet.
	* Makefile.am (scdaemon_SOURCES,sc_investigate_SOURCES): Add file.

	* sc-investigate.c: Add option --disable-ccid.

2003-12-19  Werner Koch  <wk@gnupg.org>

	* apdu.c (apdu_send_le): Send a get_response with the indicated
	length and not the 64 bytes we used for testing.

	* app-openpgp.c (verify_chv2, verify_chv3, do_sign): Check the
	minimum length of the passphrase, so that we don't need to
	decrement the retry counter.

2003-12-17  Werner Koch  <wk@gnupg.org>

	* card-p15.c (p15_enum_keypairs): Replaced KRC by RC.
	* card-dinsig.c (dinsig_enum_keypairs): Ditto.

2003-12-16  Werner Koch  <wk@gnupg.org>

	* scdaemon.c (main): Set the prefixes for assuan logging.

2003-11-17  Werner Koch  <wk@gnupg.org>

	* scdaemon.c, scdaemon.h: New options --allow-admin and --deny-admin.
	* app-openpgp.c (verify_chv3): Check it here.

2003-11-12  Werner Koch  <wk@gnupg.org>

	Adjusted for API changes in Libksba.

2003-10-30  Werner Koch  <wk@gnupg.org>

	* apdu.c (close_ct_reader, close_pcsc_reader): Implemented.
	(get_ccid_error_string): New.  Not very useful messages, though.

2003-10-25  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c (ccid_open_reader): Return an error if no USB
	devices are found.

	* command.c (cmd_genkey, cmd_passwd): Fixed faulty use of
	!spacep().

	* apdu.c (apdu_open_reader): Hacks for PC/SC under Windows.

2003-10-20  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_checkpin): New.
	(register_commands): Add command CHECKPIN.
	* app.c (app_check_pin): New.
	* app-openpgp.c (check_against_given_fingerprint): New. Factored
	out that code elsewhere.
	(do_check_pin): New.

2003-10-10  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c (ccid_close_reader): New.

	* apdu.c (close_ccid_reader, close_ct_reader, close_csc_reader)
	(close_osc_reader, apdu_close_reader): New.  Not all are properly
	implemented yet.

2003-10-09  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c (ccid_transceive): Add T=1 chaining for sending.

2003-10-08  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (do_getattr): Support SERIALNO and AID.

2003-10-01  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c: Detect GnuPG 1.3 and include appropriate files.
	* apdu.c: Ditto.
	* app-openpgp.c: Ditto.
	* iso7816.c: Ditto.
	(generate_keypair): Renamed to ..
	(do_generate_keypair): .. this.
	* app-common.h [GNUPG_MAJOR_VERSION]: New.
	* iso7816.h [GNUPG_MAJOR_VERSION]: Include cardglue.h

2003-09-30  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_getattr): New command GETATTR.
	* app.c (app_setattr): New.
	(do_getattr): New.
	(do_learn_status): Reimplemented in terms of do_getattr.

	* app-openpgp.c (do_change_pin): Make sure CVH1 and CHV2 are
	always synced.
	(verify_chv2, verify_chv3): New. Factored out common code.
	(do_setattr, do_sign, do_auth, do_decipher): Change the names of
	the prompts to match that we have only 2 different PINs.
	(app_select_openpgp): Check whether the card enforced CHV1.
	(convert_sig_counter_value): New. Factor out code from
	get_sig_counter.

2003-09-28  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (dump_all_do): Use gpg_err_code and not gpg_error.

2003-09-19  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c (parse_ccid_descriptor): New.
	(read_device_info): New.
	(ccid_open_reader): Check that the device has all required features.

2003-09-06  Werner Koch  <wk@gnupg.org>

	* scdaemon.c (main): --pcsc-driver again defaults to pcsclite.
	David Corcoran was so kind to remove the GPL incompatible
	advertisng clause from pcsclite.
	* apdu.c (apdu_open_reader): Actually make pcsc-driver option work.

2003-09-05  Werner Koch  <wk@gnupg.org>

	* ccid-driver.c: More work, data can now actually be retrieved.
	* ccid-driver.c, ccid-driver.h: Alternativley allow use under BSD
	conditions.

2003-09-02  Werner Koch  <wk@gnupg.org>

	* scdaemon.c, scdaemon.h: New option --pcsc-ccid.
	* ccid-driver.c, ccid-driver.h: New but far from being useful.
	* Makefile.am: Add above.
	* apdu.c: Add support for that ccid driver.
	
2003-08-26  Timo Schulz  <twoaday@freakmail.de>

	* apdu.c (new_reader_slot): Only set 'is_osc' when OpenSC
	is used.
	
2003-08-25  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_setattr): Use a copy of LINE.
	(cmd_genkey): Use a copy of KEYNO.
	(cmd_passwd): Use a copy of CHVNOSTR.
	(cmd_pksign, cmd_pkauth, cmd_pkdecrypt): s/strdup/xtrystrdup/.

2003-08-19  Werner Koch  <wk@gnupg.org>

	* scdaemon.c, scdaemon.h: New option --pcsc-driver.
	* apdu.c (apdu_open_reader): Use that option here instead of a
	hardcoded one.

2003-08-18  Werner Koch  <wk@gnupg.org>

	* Makefile.am: Add OPENSC_LIBS to all programs. 

	* scdaemon.c, scdaemon.h: New option --disable-opensc.
	* card.c (card_open): Implement it.
	* apdu.c (open_osc_reader, osc_send_apdu): New.
	(apdu_open_reader) [HAVE_OPENSC]: Use the opensc driver if not
	disabled.
	(error_string) [HAVE_OPENSC]: Use sc_strerror.
	(send_apdu) [HAVE_OPENSC]: Call osc_apdu_send.

	* card-p15.c (p15_enum_keypairs, p15_prepare_key): Adjusted for
	libgpg-error.

2003-08-14  Timo Schulz  <twoaday@freakmail.de>

	* apdu.c (ct_activate_card): Change the code a little to avoid
	problems with other readers.
	* Always use 'dynload.h' instead of 'dlfcn.h'.

2003-08-05  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (dump_all_do): Don't analyze constructed DOs after
	an error.

2003-08-04  Werner Koch  <wk@gnupg.org>

	* app.c (app_set_default_reader_port): New.
	(select_application): Use it here.
	* scdaemon.c (main): and here.
	* sc-copykeys.c: --reader-port does now take a string.
	* sc-investigate.c, scdaemon.c: Ditto.
	* apdu.c (apdu_open_reader): Ditto.  Load pcsclite if no ctapi
	driver is configured.  Always include code for ctapi.
	(new_reader_slot): Don't test for already used ports and remove
	port arg.
	(open_pcsc_reader, pcsc_send_apdu, pcsc_error_string): New.
	(apdu_send_le): Changed RC to long to cope with PC/SC.

	* scdaemon.c, scdaemon.h: New option --ctapi-driver.
	* sc-investigate.c, sc-copykeys.c: Ditto.
	
2003-07-31  Werner Koch  <wk@gnupg.org>

	* Makefile.am (scdaemon_LDADD): Added INTLLIBS.

2003-07-28  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (do_setattr): Change implementation.  Allow all
	useful DOs.

2003-07-27  Werner Koch  <wk@gnupg.org>

	Adjusted for gcry_mpi_print and gcry_mpi_scan API change.

2003-07-24  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (do_learn_status): Print more status information.
	(app_select_openpgp): Store the card version.
	(store_fpr): Add argument card_version and fix DOs for old cards.
	(app_openpgp_storekey): Likewise.

2003-07-23  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_pkauth): New.
	(cmd_setdata): Check whether data was given at all to avoid
	passing 0 to malloc.

	* app.c (app_auth): New.
	* app-openpgp.c (do_auth): New.

2003-07-22  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_passwd): New.
	* app.c (app_change_pin): New.
	* app-openpgp.c (do_change_pin): New.
	* iso7816.c (iso7816_reset_retry_counter): Implemented.

	* sc-investigate.c (main): New option --gen-random.
	* iso7816.c (iso7816_get_challenge): Don't create APDUs with a
	length larger than 255.

2003-07-17  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_random): New command RANDOM.

	* iso7816.c (map_sw): New. Use it in this file to return
	meaningful error messages.  Changed all public fucntions to return
	a gpg_error_t.
	(iso7816_change_reference_data): New.
	* apdu.c (apdu_open_reader): Use faked status words for soem
	system errors.

2003-07-16  Werner Koch  <wk@gnupg.org>

	* apdu.c (apdu_send_simple): Use apdu_send_le so that we can
	specify not to send Le as it should be.

2003-07-15  Werner Koch  <wk@gnupg.org>

	* Makefile.am: Add sc-copykeys program.
	* sc-copykeys.c: New.
	* app-openpgp.c (app_openpgp_storekey): New.
	(app_openpgp_cardinfo): New.
	(count_bits): New.
	(store_fpr): And use it here to get the actual length in bit.

2003-07-03  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (do_setattr): Add setting of the URL.
	(app_select_openpgp): Dump card data only in very verbose mode.
	(do_decipher): New.

2003-07-02  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (get_sig_counter): New.
	(do_sign): Print the signature counter and enable the PIN callback.
	(do_genkey): Implement the PIN callback. 

2003-07-01  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (store_fpr): Fixed fingerprint calculation.

2003-06-26  Werner Koch  <wk@gnupg.org>

	* app-openpgp.c (find_tlv): Fixed length header parsing.

	* app.c (app_genkey): New.
	* command.c (cmd_genkey): New.

2003-06-25  Werner Koch  <wk@gnupg.org>

	* command.c (percent_plus_unescape): New.
	(cmd_setattr): New.

2003-06-24  Werner Koch  <wk@gnupg.org>

	* command.c (send_status_info): New.

	* app-openpgp.c (app_select_openpgp): Replace SLOT arg by APP arg
	and setup the function pointers in APP on success. Changed callers.
	* app.c: New.
	* app-common.h: New.
	* scdaemon.h (APP): New type to handle applications.
	(server_control_s): Add an APP context field.

	* command.c (cmd_serialno): Handle applications.
	(cmd_pksign): Ditto.
	(cmd_pkdecrypt): Ditto.
	(reset_notify): Ditto.
	(cmd_learn): For now return error for application contexts.
	(cmd_readcert): Ditto.
	(cmd_readkey): Ditto.

2003-06-04  Werner Koch  <wk@gnupg.org>

	* card.c (map_sc_err): Renamed gpg_make_err to gpg_err_make.

	Renamed error codes from INVALID to INV and removed _ERROR suffixes.

2003-06-03  Werner Koch  <wk@gnupg.org>

	Changed all error codes in all files to the new libgpg-error scheme.

	* scdaemon.h: Include gpg-error.h and errno.h
	* card.c (map_sc_err): Use unknown for the error source.
	* Makefile.am: Link with libgpg-error

2003-05-14  Werner Koch  <wk@gnupg.org>

	* atr.c, atr.h: New.
	* sc-investigate.c: Dump the ATR in a human readable format.

2003-05-08  Werner Koch  <wk@gnupg.org>

	* scdaemon.h (DBG_CARD_IO_VALUE): New.

	* sc-investigate.c: New.
	* scdaemon.c (main): Removed --print-atr option.

	* iso7816.c, iso7816.h, app-openpgp.c: New.

2003-04-29  Werner Koch  <wk@gnupg.org>

	* scdaemon.c: New options --print-atr and --reader-port
	* apdu.c, apdu.h: New

	* card.c, card-p15.c, card-dinsig.c: Allow build without OpenSC.
	
	* Makefile.am (LDFLAGS): Removed.

	* command.c (register_commands): Adjusted for new Assuan semantics.

2002-08-21  Werner Koch  <wk@gnupg.org>

	* scdaemon.c (main): New option --daemon so that the program is
	not accidently started in the background.

2002-08-16  Werner Koch  <wk@gnupg.org>

	* scdaemon.c: Include i18n.h.

	* card-common.h (struct p15_private_s): Forward declaration.  Add
	it to card_ctx_s.
	* card.c (card_close): Make sure private data is released.
	(card_enum_certs): New.
	* card-p15.c (p15_release_private_data): New.
	(init_private_data): New to work around an OpenSC weirdness.
	(p15_enum_keypairs): Do an OpenSC get_objects only once.
	(p15_enum_certs): New.
	(card_p15_bind): Bind new function.
	* command.c (cmd_learn): Return information about the certificates.

2002-08-09  Werner Koch  <wk@gnupg.org>

	* card.c (card_get_serial_and_stamp): Use the tokeinfo serial
	number as a fallback. Add a special prefix for serial numbers.

2002-07-30  Werner Koch  <wk@gnupg.org>

        Changes to cope with OpenSC 0.7.0:
	
	* card.c: Removed the check for the packed opensc version.
	Changed include file names of opensc.
	(map_sc_err): Adjusted error codes for new opensc version.
	* card-p15.c: Changed include filename of opensc.
	* card-dinsig.c: Ditto.

	* card-p15.c (p15_decipher): Add flags argument to OpenSC call.
	
2002-07-24  Werner Koch  <wk@gnupg.org>

	* card.c (find_simple_tlv, find_iccsn): New.
	(card_get_serial_and_stamp): Improved serial number parser.

2002-06-27  Werner Koch  <wk@gnupg.org>

	* scdaemon.c (main): Use GNUPG_DEFAULT_HOMEDIR constant.

2002-06-15  Werner Koch  <wk@gnupg.org>

	* card-dinsig.c: Documented some stuff from the DIN norm.

2002-04-15  Werner Koch  <wk@gnupg.org>

	* command.c (cmd_pksign, cmd_pkdecrypt): Use a copy of the key ID.

2002-04-12  Werner Koch  <wk@gnupg.org>

	* scdaemon.c: New option --debug-sc N.
	* card.c (card_open): set it here.

	* card-p15.c (p15_prepare_key): Factored out common code from ...
	(p15_sign, p15_decipher): here and made the decryption work the
	regular way.

2002-04-10  Werner Koch  <wk@gnupg.org>

	* card.c (card_open): Return immediately when no reader is available.

2002-03-27  Werner Koch  <wk@gnupg.org>

	* card.c (card_open, card_close): Adjusted for changes in OpenSC.

2002-03-10  Werner Koch  <wk@gnupg.org>

	* card-p15.c, card-dinsig.c, card-common.h: New.
	* card.c: Factored most code out to the new modules, so that we
	can better support different types of card applications.

2002-01-26  Werner Koch  <wk@gnupg.org>

	* scdaemon.c scdaemon.h, command.c: New. Based on the code from
	the gpg-agent.

	
 Copyright 2002, 2003, 2004, 2005 Free Software Foundation, Inc.

 This file is free software; as a special exception the author gives
 unlimited permission to copy and/or distribute it, with or without
 modifications, as long as this notice is preserved.

 This file is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.