* scd/app.c (compare_card_list_items): New.
(app_send_card_list): Sort the card objects by slot.
--
This is required so that in gpg-card a "list N" command always returns
the expected card. Sorting by slot should be sufficient.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-common.h (struct app_ctx_s): Add func ptr 'reselect'.
* scd/app-piv.c (do_reselect): New.
(app_select_piv): Move AID constant to file scope.
* scd/app-openpgp.c (do_reselect): New.
(app_select_openpgp): Move AID constant to file scope.
* scd/app.c (apptype_from_name): New.
(check_application_conflict): Check against all apps of the card.
Always set current_apptype.
(select_additional_application): New.
(maybe_switch_app): New.
(app_write_learn_status, app_readcert, app_readkey, app_getattr)
(app_setattr, app_sign, app_auth, app_decipher, app_writecert)
(app_writekey, app_genkey, app_change_pin, app_check_pin): Use it here.
(app_do_with_keygrip): Force reselect on success.
(app_new_register): Move setting of CURRENT_APPTYPE to ...
(select_application): here so that it will be set to the requested
card.
* scd/command.c (open_card_with_request): Select additional
application if possible.
--
Noet that we will likely need to rework this even more so to get well
defined semantics for card access.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (app_do_with_keygrip): Lock the card.
--
Better safe than sorry.
We should also review the card reference counting to see whether we
better ref the returned card object already here.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c: Chnage all function dispatcher.
--
This change will allow us to easier integrate an app swithcing logic.
The change should have no user visible effect. The error checking we
do now with the card locked will rarely be asserted. It is the
correct thing to do anyway.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (check_conflict): Fold into ...
(check_application_conflict): this and adjust callers. Return a
different error code if it is possible to switch apps.
--
Right now this change does nothing visible.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/scdaemon.h: Include app-common.h. Remove inclusion of that
header from all other files.
(card_t, app_t): Move typedef to ...
* scd/app-common.h: here. Use them in the defs.
--
In another patch we will need apptype_t in the ctrl object and thus we
need to reorganize things a bit now. Given that most files need
app-common anyway it makes sense to always include it.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-common.h (cardtype_t): New.
(apptype_t): New.
(struct card_ctx_s): Change type of cardtype.
(struct app_ctx_s): Change type of apptype. Adjust all users.
* scd/app.c (struct app_priority_list_s): Add field apptype.
(strcardtype): New. Use as needed.
(strapptype): New. Use as needed.
--
Using strcmp is lame and we can't use a switch to let the compiler
complain about missed cases.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-common.h (struct card_ctx_s): New.
(struct app_ctx_s): Factor card specific fields out to card_ctx_s.
(app_get_slot): New.
* scd/scdaemon.h (card_t): New.
(struct server_control_s): Rename field app_ctx to card_ctx and change
all users.
* scd/app-dinsig.c: Use app_get_slot and adjust for chang in card
related fields.
* scd/app-geldkarte.c: Ditto.
* scd/app-nks.c: Ditto.
* scd/app-openpgp.c: Ditto.
* scd/app-p15.c: Ditto.
* scd/app-sc-hsm.c: Ditto.
* scd/app.c: Lost of changes to adjust for the changed data
structures. Change all callers.
(app_list_lock): Rename to card_list_lock.
(app_top): Remove.
(card_top): New.
(lock_app): Rename to lock_card and change arg type.
(unlock_app): Rename to unlock_card.
(app_dump_state): Print card and app info.
(app_reset): Rename to card_reset.
(app_new_register): Change for the new data structure.
(deallocate_card): Dealloc card and all apps.
(app_ref): Rename to card_ref.
(app_unref): Rename to card_unref.
(app_unref_locked): Rename to card_unref_locked.
(card_get_serialno): New.
* scd/command.c (cmd_pkdecrypt): Actually use the looked up card and
former app object and not the standard one from the context.
--
Although quite large, this is a straightforward change to separate
card/token related data from card application related data. Before
this change there was a one-to-one relation between card and
application and no way to represent several applications on a card.
The new data structure will allow for such a representation.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (app_ref): New.
(app_unref): New.
(release_application): Renamed to ...
(app_unref_locked): this and remove arg locked_already. Change
callers to use this or app_ref.
* scd/command.c (open_card_with_request):
(cmd_pksign, cmd_pkauth, cmd_pkdecrypt): Use app_ref and app_unref
instead of accessing the counter directly.
--
This is better in case we need to debug stuff. There is a real change
however: We now lock and unlock the app before changing the reference
count.
The whole app locking business should be reviewed because we pass
pointers along without immediately bumping the refcount.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-openpgp.c (do_with_keygrip): Return a real error code to
avoid misinterpretation of the result. Also fix the case for a too
small buffer.
--
The only real chnage is the case for a too small buffer. That should
in general never happen but if so we now return an error instead of
success.
Signed-off-by: Werner Koch <wk@gnupg.org>
* 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 <gniibe@fsij.org>
* scd/command.c (cmd_readkey): New options --info and --info-only.
* scd/app.c (app_readkey): New arg 'flags'.
* scd/app-common.h (APP_READKEY_FLAG_INFO): New.
(struct app_ctx_s): New args 'ctrl' and 'flags' for member readkey.
Change all implementers.
* scd/app-nks.c (do_readkey): Stub implementation of
APP_READKEY_FLAG_INFO.
* scd/app-openpgp.c (do_readkey): Implement APP_READKEY_FLAG_INFO.
* scd/app-piv.c (do_readkey): Ditto.
--
This feature allows to quickly get the keygrip and in most cases also
the usage flags for one specific keyref. Example:
<- readkey --info-only PIV.9D
-> S KEYPAIRINFO FC6061FB457224370B85C6F34DD56CD29E669620 PIV.9D e
-> OK
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (app_new_register): Detect yk4 version numbers.
--
Having the version of the yubikey is important to select which other
methods can be used with a Yubikey. Note that we do not detect the
formfactor of a Yubikey 4 and instead use 0 for our serial number
prefix. This does not affect app-openpgp becuase there we use the app
specific serial number.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (app_new_register): Set card version for Yubikeys.
(app_write_learn_status): Print CARDVERSION and APPVERSION.
* tools/card-call-scd.c (learn_status_cb): Detect them.
* tools/gpg-card.h (struct card_info_s): Add appversion and
cardversion.
* tools/gpg-card.c (list_openpgp): Remove version printing from serial
number.
(print_a_version): New.
(list_card): Print card and app version.
(cmd_generate): Do not allow broken Yubikeys.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-help.c (app_help_pubkey_from_cert): New.
* scd/command.c (cmd_readkey): Refactor to use that new function and
handle the --advanced flag only here.
* scd/app.c (app_readkey): Remove parm advanced.
* scd/app-common.h (struct app_ctx_s): Remove parm advanced from the
readkey member.
* scd/app-nks.c (do_readkey): Adjust for removed parm.
* scd/app-piv.c (do_readkey): Ditto.
* scd/app-openpgp.c (do_readkey): Ditto.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app.c (app_genkey): Add arg keytype.
* scd/app-common.h (struct app_ctx_s): Fitto for the genkey member.
* scd/command.c (cmd_genkey): Adjust for change.
* scd/iso7816.c (do_generate_keypair): Replace arg read_only by new
args p1 and p2.
(iso7816_read_public_key): Adjust for this.
(iso7816_generate_keypair): Add new args p1 and p2.
* scd/app-openpgp.c (do_genkey): Adjust for changes.
--
The OpenPGP card creates keys according to parameters read from a data
object. Other cards we are about to implement require a direct
specification of the requested keytype. This patch implements the
required changes.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-common.h (APP_GENKEY_FLAG_FORCE): New.
* scd/app.c (app_change_pin): Rename arg reset_mode to flags and
change from int to unsigned int.
--
This is basically a documentation fix.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/command.c (cmd_passwd): Add option --clear.
(send_status_printf): New.
* scd/app-common.h (APP_CHANGE_FLAG_CLEAR): New.
* scd/app-nks.c (do_change_pin): Return an error if that option is
used.
* scd/app-openpgp.c (do_change_pin): Ditto.
--
Card application may support this option to clear the PIN verification
status of a specific PIN.
Signed-off-by: Werner Koch <wk@gnupg.org>
* scd/app-piv.c: New.
* scd/Makefile.am (card_apps): Add app-piv.c
* scd/app.c (app_new_register): Try to get a Yubikey serial number.
Detect the PIV application.
(get_supported_applications): Add "piv".
--
Right now this allows the use of the authentication key (9A) for SSH
authentication. More support will follow soon.
Tested with Yubikey-5.
* scd/app.c (app_new_register): Don't lock APP_LIST_LOCK here.
(select_application): Lock with APP_LIST_LOCK earlier.
--
What we want to do here is to serialize the call of
select_application. In the old code, it was possible
that a call of select_application was blocked internally,
and then another call of select_application entered.
We can have a dedicated lock for call of select_application,
but it is easier to re-use APP_LIST_LOCK.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/apdu.c (open_ccid_reader): Fix error handling of ccid_get_atr.
* scd/app.c (select_application): Always kick the loop if new APP.
* scd/ccid-driver.c (ccid_open_usb_reader): Don't setup at open.
(ccid_slot_status): Setup interrupt transfer when !ON_WIRE.
--
We can use the interrupt transfer to be notified about card status
change. In this case, we don't need to issue PC_to_RDR_GetSlotStatus
command. This change improve the setup the notification; it should be
done after registration of APP.
When the setup is done just after opening the USB connection (before
issuing PC_to_RDR_IccPowerOn), a reader might notifies about no card
availability (because of not yet powered on), even though the card is
ready to be powered on.
GnuPG-bug-id: 3508
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app-common.h (struct app_ctx_s): Add reset_requested.
* scd/app.c (app_reset): Locking APP, set reset_requested.
(deallocate_app): Release the lock.
(release_application): Add LOCKED_ALREADY argument.
(scd_update_reader_status_file): Hold the lock when accessing APP.
When reset_requested is set, close the reader and deallocate APP.
* scd/command.c (open_card_with_request, cmd_restart): Follow the
change of release_application.
(send_client_notifications): Here it calls release_application holding
the lock.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app.c (release_application_internal): Remove.
(release_application): Merge release_application_internal.
(app_reset): Kick the loop and let close the reader. Sleep is
required here to wait closing.
(scd_update_reader_status_file): When APP is no use, close it.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/apdu.c (apdu_open_reader): Add an argument APP_EMPTY.
When CCID driver fails to open, try PC/SC if APP is nothing.
* scd/app.c (select_application): Supply arg if APP is nothing.
--
After scanning available card readers by CCID driver, scdaemon should
try PC/SC service if no APP is registered yet. Also, when the slot
is allocated for PC/SC (ccid.handle==NULL), it should not call
ccid_compare_BAI, otherwise scdaemon crashes.
Debian-bug-id: 852702, 854005, 854595, 854616
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app.c (select_application): Fix the logic if periodical check is
needed. If it is needed for newly found device(s), kick the loop.
(scd_update_reader_status_file): Return value if select(2) should be
called with timeout.
* scd/ccid-driver.c (ccid_require_get_status): Don't return 0 for
token with no interrupt transfer for now.
* scd/command.c (open_card_with_request): Fix scan by SERIALNO.
* scd/scdaemon.c (update_usb): Remove.
(handle_connections): Evaluate need_tick after handle_tick.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app-common.h (struct app_ctx_s): Rename field to
periodical_check_needed.
* scd/scdaemon.c (update_usb): Rename from update_fdset_for_usb.
Don't use libusb_get_pollfds any more.
(scd_kick_the_loop): New.
(need_tick): Follow the rename.
(handle_connections): No libusb event handling here.
* scd/app.c (app_new_register): Follow the change of rename.
(select_application, scd_update_reader_status_file): Likewise.
* scd/ccid-driver.c (ccid_usb_thread_is_alive): New.
(intr_cb): Call scd_kick_the_loop.
(ccid_usb_thread): New. Thread to invoke INTERRUPT callback.
(ccid_open_usb_reader): Add thread invocation.
(ccid_require_get_status): Remove
LIBUSB_WORKS_EXPECTED_FOR_INTERRUPT_ENDP.
(do_close_reader): Carefully handle handle->transfer.
(get_escaped_usb_string): Insert npth_unprotect/npth_protect.
(do_close_reader, bulk_out, bulk_in, abort_cmd, ccid_slot_status)
(ccid_transceive, ccid_transceive_secure): Likewise.
--
It found that libusb_get_pollfds is not supported on Windows.
Besides, it's a bit difficult to use for the select loop.
Thus, we use the thread named ccid_usb_thread, instead.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/apdu.c(struct reader_table_s): Add require_get_status.
(apdu_connect): Change return value meaning. Call apdu_reset here.
* scd/app.c (app_new_register): Add require_get_status.
(select_application): Use the return value of apdu_connect.
(scd_update_reader_status_file): Call update_fdset_for_usb with
checking all_have_intr_endp.
(app_list_start, app_list_finish): Remove.
* scd/ccid-driver.c (struct ccid_driver_s): Add transfer.
(intr_cb): Don't call libusb_transfer in this callback.
(ccid_require_get_status): New.
(do_close_reader): Call libusb_transfer here.
* scd/scdaemon.c (update_fdset_for_usb): Remove the first argument.
--
With Gnuk Token, it works fine as expected. With Gemalto reader,
intr_cb is not called when card is removed. So, the macro
LIBUSB_WORKS_EXPECTED_FOR_INTERRUPT_ENDP is not defined yet.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app.c (app_get_serial_and_stamp): Remove.
(app_get_serialno): New.
(app_write_learn_status): Use send_status_direct.
(app_getattr): Use app_get_serialno for SERIALNO and
send with send_status_direct.
* scd/app-openpgp.c (do_getattr): Likewise.
* scd/command.c (cmd_serialno): Don't send TIMESTAMP of 0.
(cmd_learn): Likewise. Don't inquire with TIMESTAMP of 0.
--
In the SERIALNO protocol, timestamp used to be considered, but had never
used at all. In the new implementation, removed card/token is always
detected and connection becomes invalid, no timestamp is required any
more. Examined scute and poldi as well for this protocol change.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app.c (select_application): Add SERIALNO_BIN and SERIALNO_BIN_LEN
arguments. Return matched APP with a serial number when specified.
* scd/command.c (open_card): Modify for the implicit open only.
(open_card_with_request): New for explicit open and support match with a
serial number.
(cmd_serialno): Support --demand option.
(cmd_learn, cmd_readcert, cmd_readkey, cmd_pksign, cmd_pkauth)
(cmd_pkdecrypt, cmd_getattr, cmd_setattr, cmd_writecert, cmd_writekey)
(cmd_genkey, cmd_random, cmd_passwd, cmd_checkpin, cmd_apdu): Follow
the change of open_card.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/apdu.c (new_reader_slot): Lock is now in apdu_dev_list_start.
(close_pcsc_reader_direct, close_ccid_reader): RDRNAME is handled...
(apdu_close_reader): ... by this function now.
(apdu_prepare_exit): Likewise.
(open_ccid_reader): Open with dev_list.
(apdu_dev_list_start, apdu_dev_list_finish): New.
(apdu_open_one_reader): New.
(apdu_open_reader): Support multiple readers.
* scd/app.c (select_application): With SCAN, opening all readers
available, and register as new APP.
(app_write_learn_status): app->ref_count == 0 is valid for APP which is
not yet used.
(app_list_start, app_list_finish): New.
* scd/ccid-driver.c (struct ccid_driver_s): Remove RID and BCD_DEVICE.
Add BAI.
(parse_ccid_descriptor): BCD_DEVICE is now on the arguments.
(ccid_dev_scan, ccid_dev_scan_finish): New.
(ccid_get_BAI, ccid_compare_BAI, ccid_open_usb_reader): New.
(ccid_open_reader): Support multiple readers.
(ccid_set_progress_cb, ccid_close_reader): No RID any more.
--
With this change, multiple readers/tokens are supported by the internal
CCID driver of GnuPG. Until the changes of upper layers (scdaemon,
gpg-agent, and gpg front end), only a single reader is used, though.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/apdu.c (reader_table_lock, apdu_init): New.
(new_reader_slot): Serialize by reader_table_lock.
* scd/app.c (lock_app, unlock_app, app_new_register): Fix error code
usage.
(initialize_module_command): Call apdu_init.
* scd/scdaemon.c (main): Handle error for initialize_module_command.
--
This is a long standing bug. There are two different things; The
serialization of allocating a new SLOT, and the serialization of using
the SLOT. The latter was implemented in new_reader_slot by lock_slot.
However, the former was not done. Thus, there was a possible race where
a same SLOT is allocated to multiple threads.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
* scd/app.c (lock_app): Rename from lock_reader and use internal field
of APP.
(unlock_app): Likewise.
(app_dump_state): Use APP.
(application_notify_card_reset): Remove.
(check_conflict): Change API for APP, instead of SLOT.
(check_application_conflict): Likewise.
(release_application_internal): New.
(app_reset): New.
(app_new_register): New.
(select_application): Change API for APP, instead of SLOT.
(deallocate_app, release_application): Modify for manage link.
(report_change): New.
(scd_update_reader_status_file): Moved from command.c and
use APP list, instead of VREADER.
(initialize_module_command): Moved from command.c.
* scd/command.c (TEST_CARD_REMOVAL): Remove.
(IS_LOCKED): Simplify.
(vreader_table): Remove.
(vreader_slot, update_card_removed): Remove.
(do_reset): Call app_reset.
(get_current_reader): Remove.
(open_card): Add SCAN arg.
(cmd_serialno): No retry, since retry is done in lower layer in apdu.c.
No do_reset, since it is done in lower layer.
Add clearing card_removed flag.
(cmd_disconnect): Call apdu_disconnect.
(send_client_notifications): Modify for APP.
(update_reader_status_file): Remove.
--
APP is the abstraction of the card application. For management of
cards, it is better to focus on the APP instead of the physical reader.
This change makes support of multiple card/token easier.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
