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Commit Graph

874 Commits

Author SHA1 Message Date
NIIBE Yutaka
bb591222c3 scd:ccid-driver: Fix pinpad error handling for cancel/timeout.
* scd/apdu.h (SW_HOST_UI_CANCELLED, SW_HOST_UI_TIMEOUT): New.
* scd/ccid-driver.h (CCID_DRIVER_ERR_UI_CANCELLED): New.
(CCID_DRIVER_ERR_UI_TIMEOUT): New.
* scd/ccid-driver.c (bulk_in): Handle PIN input cancel/timeout error.
* scd/iso7816.c (map_sw): Support SW_HOST_UI_CANCELLED and
SW_HOST_UI_TIMEOUT.

--

GnuPG-bug-id: 4614
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-27 15:17:56 +09:00
Werner Koch
7113263a00
agent: Fix YK s/n and prettify the request card prompt for Yubikeys
* agent/divert-scd.c (ask_for_card): Detect and re-format the Yubikey
prompt.
* scd/app.c (app_munge_serialno): Fix Yubikey s/n munging.
(card_get_dispserialno): Ditto.
* scd/app-openpgp.c (get_disp_serialno): Remove.
(get_prompt_info): Use app_get_dispserialno.--
--
2020-11-26 15:56:37 +01:00
Werner Koch
d784e76349
scd: Do not try to use a non-enabled app after card switching.
* scd/app.c (app_dump_state): Also print the refcount.
(maybe_switch_app): Make sure the app exists on the card.
--

When switching the current card and the card does not support the same
apps as the former, we now reset the app to the first one.

Testcase is to use a standard OpenPGP card and a P15 card.

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-11-26 12:16:56 +01:00
Werner Koch
764c69a841
scd: Add special serialno compare for OpenPGP cards.
* scd/app.c (is_same_serialno): New.
(check_application_conflict): Use this.
(select_application): Ditto.
(app_switch_current_card): Ditto.
* scd/app-openpgp.c (check_keyidstr): Ignore the card version and also
compare case insensitive.
--

This is required because we change what we emit as serialno of OpenPGP
cards but existing keys still use the old form of the serial
number (i.e. with a firmware version).

See-commit: 3a8250c020
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-11-26 09:54:23 +01:00
NIIBE Yutaka
9201543708 scd,nks: Fix caching keygrip.
* scd/app-nks.c (keygripstr_from_pk_file): Identify by cfid if
available.

--

GnuPG-bug-id: 5150
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-26 09:35:35 +09:00
Werner Koch
00037f499d
scd:p15: Print the internal card type.
* scd/app-p15.c (read_ef_tokeninfo): Print the internal card type.
2020-11-25 15:48:20 +01:00
Werner Koch
c7b9a4ee43
scd:p15: Improve support for some CardOS based cards.
* scd/iso7816.c (iso7816_read_binary_ext): Add optional arg r_sw and
change callers.
(iso7816_read_record): Factor all code out to ...
(iso7816_read_record_ext): new.
* scd/app-p15.c (select_and_read_binary): Fallback to record reading.
(read_ef_aodf): Clear EOF error.
2020-11-25 15:27:21 +01:00
Werner Koch
3a8250c020
scd: Rework the handling of the displayed serial number.
* scd/app.c (app_new_register): Call app_munge_serialno for Yubikeys.
(app_munge_serialno): Handle Yubikey serial numbers.
(card_get_serialno): Remove special Yubikey treatment.  Drop arg
is_canonical.
(app_get_serialno): Clear ERRNO on error.
(card_get_dispserialno): New.  Also change formatting of Yubikey and
OpenPGP numbers to match those printed on the card.
(app_get_dispserialno): New.
* scd/app-openpgp.c (do_getattr): Use app_get_dispserialno.
(yubikey_get_serialno): Remove.
* scd/app-piv.c (get_dispserialno): Remove.
(do_getattr): Use app_get_dispserialno.
--

This patch gets us back to a unique serial number for cards and
provides a stable serial number as printed for Yubikeys.

Because we use a slightly different serial number now for Yubikeys and
cards only supporting OpenPGP card we need to come up with another
change so that the version number of OpenPGP serial numbers are
ignored when comparing card serial numbers.  This is so that existing
stub keys of gpg-agent will continue to work.

GnuPG-bug-id: 5100
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-11-25 10:23:55 +01:00
NIIBE Yutaka
c3a20c88fb scd: Fix an error return for READKEY.
* scd/command.c (cmd_readkey): Return when error.

--

GnuPG-bug-id: 5150
Suggested-by: Ingo Klöcker
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-25 11:38:15 +09:00
NIIBE Yutaka
006944b856 scd,nks: Fix SEGV for learn for older card.
* scd/app-nks.c (keygripstr_from_pk_file): Set algostr.

--

GnuPG-bug-id: 5144
Fixes-commit: 26da47ae53
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-25 10:32:28 +09:00
Gavin L. Rebeiro
572bcacc28
doc: Fix typos
--
GnuPG-bug-id: 5071

Also fixed one in keyformat.txt [wk].
2020-11-23 12:11:15 +01:00
NIIBE Yutaka
cc8b99d18e Fix the previous comment changes help doc string.
* scd/command.c (hlp_learn): Fix the doc string.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-20 17:17:30 +09:00
Werner Koch
23f1fc766a
scd: Do not print reader status change with --debug cardio.
--

... but use --debug reader for this.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit bd3b698d8e)
2020-11-11 15:23:26 +01:00
Werner Koch
8fb0d5e3c7
card: Run factory-reset in locked stated.
* scd/command.c (reset_notify): Add option --keep-lock.
(do_reset): Add arg keep_lock.
(cmd_lock): Send progress status.
* g10/call-agent.c (agent_scd_apdu): Add more pseudo APDUs.
* g10/card-util.c (send_apdu): Ditto.
(factory_reset): Use lock commands.
--

This is required so that for example Kleopatra does not detect the
RESET and issues a SERIALNO of its own, thus conflicting with our
SERIALNO undefined.

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-11-09 13:41:26 +01:00
NIIBE Yutaka
f808012ac2 scd: Use lock_slot for apdu_send_direct.
* scd/apdu.c (apdu_send_direct): Use lock_slot.

--

With trylock_slot, it may return SW_HOST_BUSY.  This may occur when
apdu_get_status is called by scd_update_reader_status_file.

Simply using lock_slot is much easier for user of apdu_send_direct.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-05 16:10:49 +09:00
NIIBE Yutaka
484bafda4d scd: Internal CCID driver: Fix a race condition on close.
* scd/ccid-driver.c (ccid_require_get_status): For VENDOR_SCM reader,
return 0 only at the initial call.
(bulk_in): Don't detect an error for VENDOR_SCM reader, just kicking
the loop, to invoke scd_update_reader_status_file, which calls
ccid_slot_status again.
(ccid_slot_status): Move the call of ccid_vendor_specific_setup to...
(ccid_get_atr): ... here.

--

For readers with interrupt transfer support, it is only intr_cb which
sets handle->powered_off to 1.  Keeping this condition makes no race.
The function ccid_slot_status can also detect a communication error,
which causes apdu_close_reader (but not setting ->powered_off).

GnuPG-bug-id: 5121
Fixes-commit: 920f258eb6
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-11-05 16:10:15 +09:00
NIIBE Yutaka
e59d2b3632 scd: Handle canonical serialno and app specific serialno differently.
* scd/app-common.h (card_get_serialno): Add IS_CANONICAL arg.
* scd/app.c (app_send_devinfo): Use app specific serialno.
(card_get_serialno): Support two different cases.
(app_get_serialno): Return app specific serialno.
(send_serialno_and_app_status): Return canonical serialno.
* scd/command.c (cmd_serialno): Return app specific serialno.
(cmd_learn): Return canonical serialno.

--

GnuPG-bug-id: 5100
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-27 14:35:20 +09:00
NIIBE Yutaka
8264b10d33 scd: Flush the cache when writing cert data object.
* scd/app-piv.c (do_writecert): Flush the cache of the data object.

--

Suggested-by: Ingo Klöcker
GnuPG-bug-id: 5102
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-26 14:29:31 +09:00
NIIBE Yutaka
31def32eee scd: Internal CCID driver thing only for SPR532.
* scd/ccid-driver.c (ccid_vendor_specific_setup): New.  Limit
only for SPR532, excluding other readers by SCM.
(ccid_slot_status): Use ccid_vendor_specific_setup.

--

We follow the setup procedure of libccid implementation, which sends
the escape command for SPR532 only.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-26 11:38:47 +09:00
NIIBE Yutaka
3c6b5dfa2a scd: Internal CCID driver limiting only for SPR532.
* scd/ccid-driver.c (ccid_vendor_specific_init): Only do that for
SPR532.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-24 11:01:10 +09:00
Werner Koch
32f336d955
common: Allow building with released libgpg-error.
* common/sysutils.c (gnupg_access) [W32]: Fix for older libgpgrt.
--

Fixes-commit: c94ee1386e
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-10-23 20:16:18 +02:00
NIIBE Yutaka
2d4de4b6f0 scd: Handle Yubikey's multiple apps and serialno.
* scd/app-common.h (yubikey_get_serialno): New.
* scd/app-openpgp.c (yubikey_get_serialno): New.
* scd/app.c (card_get_serialno): Use OpenPGP app's serialno,
when it's enabled for Yubikey.
(send_serialno_and_app_status): Use card_get_serialno, not
directly accessing ->serialno.

--

GnuPG-bug-id: 5100
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-23 16:31:03 +09:00
NIIBE Yutaka
c8cc35dd2c scd: Use app_get_serialno for app_getattr.
* scd/app.c (app_getattr): Use app_get_serialno.

--

GnuPG-bug-id: 5100
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-23 15:25:07 +09:00
NIIBE Yutaka
65c91e601a scd: Don't overwrite serialno for Yubikey.
* scd/app-openpgp.c (app_select_openpgp): Keep ->serialno.

--

GnuPG-bug-id: 5100
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-23 15:19:53 +09:00
NIIBE Yutaka
41505f0ae5 scd,openpgp: Use app_get_serialno function to get SERIALNO.
* scd/app-openpgp.c (check_keyidstr): Don't directly access
app->serialno, but use app_get_serialno.
(do_with_keygrip): Likewise.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-10-23 15:14:12 +09:00
Werner Koch
390497ea11
Replace most of the remaining stdio calls by estream calls.
--

We need to use es_fopen on Windows to cope with non-ascii file names.
This is quite a large but fortunately straightforward change.  At a
very few places we keep using stdio (for example due to the use of
popen).

GnuPG-bug-id: 5098
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-10-20 12:15:56 +02:00
NIIBE Yutaka
920f258eb6 scd: Internal CCID driver: More fix for SPR532.
* scd/ccid-driver.c (bulk_in): Handle the case of missing intr_cb.

--

GnuPG-bug-id: 5065
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-30 10:56:38 +09:00
NIIBE Yutaka
862d9c6fac scd: Report any error for LEARN command.
* scd/app-openpgp.c (do_learn_status): Report any error.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-30 10:48:49 +09:00
NIIBE Yutaka
1444203ca3 scd: Internal CCID driver fix.
* scd/ccid-driver.c (intr_cb): More useful debug output.
(ccid_slot_status): Remove redundant condition.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-29 13:27:19 +09:00
NIIBE Yutaka
6af978713e scd: Internal CCID driver: Call libusb_clear_halt at ccid_setup_intr.
* scd/ccid-driver.c (ccid_setup_intr): Reset the endpoint.
(ccid_vendor_specific_init): Don't call libusb_clear_halt.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-29 13:25:14 +09:00
NIIBE Yutaka
d561c936a2 scd: Internal CCID driver: Fix a failure path.
* scd/ccid-driver.c (ccid_open_usb_reader): On error, call
libusb_release_interface.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-28 15:55:44 +09:00
NIIBE Yutaka
b1e8072320 scd: Internal CCID: Handle LIBUSB_ERROR_TIMEOUT at ccid_get_atr.
* scd/ccid-driver.c (ccid_slot_status): Handle LIBUSB_ERROR_TIMEOUT.

--

With SPR532, at the first connection, it fails by
LIBUSB_ERROR_TIMEOUT, but no retry.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-28 15:52:42 +09:00
NIIBE Yutaka
c5e8ef3ab9 scd: Internal CCID: Clear the handle after use.
* scd/apdu.c (close_ccid_reader): Clear the handle.
(open_ccid_reader): Likewise.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-28 13:33:20 +09:00
NIIBE Yutaka
684a52dffa scd: Change handling of SPR532 card reader.
* scd/ccid-driver.c (ccid_vendor_specific_init): Put some workaround
for SPR532 initialization.
(ccid_slot_status): Send ESCape command after GetSlotStatus.

GnuPG-bug-id: 5065
Fixes-commit: 4fae55f8ee
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-28 13:29:51 +09:00
NIIBE Yutaka
93e3c97889 scd: For PC/SC, send the ESC command at init for SPR532 reader.
* scd/apdu.c (struct reader_table_s): Remove is_spr532.
(pcsc_vendor_specific_init): Send the ESC command for SPR532.
(pcsc_pinpad_verify, pcsc_pinpad_modify): Remove no_lc hack.

--

The "no_lc" hack lets PC/SC-lite send the ESC command for SPR532
internally, for pcsc_pinpad_verify.  However, PC/SC-lite doesn't do
that for pcsc_pinpad_modify, unfortunately.  Besides, I'm not sure
this hack works on Windows, which has different implementation of
PC/SC service.

It's better to send the ESC command by the driver explicitly, at the
initialization.  Sending the ESC command results PCSC_E_NOT_TRANSACTED
error when a card is not active (that is the case, usually).  We
ignore this error.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-25 11:24:39 +09:00
NIIBE Yutaka
4fae55f8ee scd: For SPR532, submit the ESCape command at initialization.
* scd/ccid-driver.c (ccid_vendor_specific_init): Submit the ESC
command for VENDOR_SCM.
(ccid_transceive_secure): Don't submit the ESC command every time.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-25 10:35:45 +09:00
NIIBE Yutaka
7cbb513a2d scd: Fix CCID internal driver for interrupt transfer.
* scd/ccid-driver.c (intr_cb): Handle the case of multiple messages.

--

SPR532 USB Smart Card Reader (also know as SPR332) may send two
messages at once for a single interrupt transfer.  An example transfer
observed was like: 50 03 50 02, which is considered valid, according
to the CCID specification.

GnuPG-bug-id: 5065
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-24 17:05:13 +09:00
Werner Koch
26da47ae53
scd: Extend KEYPAIRINFO with an algorithm string.
* scd/app-openpgp.c (send_keypair_info): Emit the algo string as part
of a KEYPAIRINFO.
* scd/command.c (do_readkey): Ditto.
* scd/app-piv.c (do_readkey): Ditto.
* scd/app-nks.c (do_learn_status_core): Ditto.
(struct fid_cache_s): Add field algostr.
(flush_fid_cache): Release it.
(keygripstr_from_pk_file): Fill it and add it to the cache.  Use a
single exit label.
* scd/app-help.c (app_help_get_keygrip_string_pk): Add new arg
r_algostr.  Change all callers.
--

This is helpful so that callers do not need to parse the key for this
basic information.  Use "scd readkey --info-only" to return the info
status line instead of the key material; using just --info returns the
info in addition to the key material.

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-09-21 14:47:53 +02:00
NIIBE Yutaka
8ff3663027 scd: Clear PIN cache when changing key attributes.
* scd/app-openpgp.c (change_keyattr): Clear all PINs.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-16 13:13:29 +09:00
NIIBE Yutaka
f4c07fc3d3 scd: Clear caching PIN at KDF setup.
* scd/app-openpgp.c (do_setattr): Clear PINs.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-16 13:04:59 +09:00
NIIBE Yutaka
316a8cbc75 scd: Add better support for KDF feature.
* scd/app-openpgp.c (do_setattr): Handle kdf-seup "off" for Gnuk.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-16 12:58:30 +09:00
NIIBE Yutaka
8dfd0ebfd8 gpg,scd: Fix handling of KDF feature.
* g10/card-util.c (kdf_setup): Fix the default value.
* scd/app-openpgp.c (do_setattr): Support kdf-setup "off" by
Zeitcontrol.  Make sure Gnuk and Yubikey work well.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-16 12:49:20 +09:00
NIIBE Yutaka
6e51f2044a scd: Fix the use case of verify_chv2 by CHECKPIN.
* scd/app-openpgp.c (verify_chv2): Call verify_a_chv with chvno=1
when needed.

--

Confusingly, verify_chv2 has two different purposes;  One for
verifying with CHV2 (in addition to CHV1), and the call by
CHECKPIN.  For the latter, we should check CHV1.

Fixes-commit: af189be481
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-15 15:31:23 +09:00
Werner Koch
fbc1b199fd
scd:piv: Avoid conflict when writing a cert.
* scd/app-piv.c (map_curve_name_to_oid): New.
(my_cmp_public_key): New.
(do_writecert): Replace simple memcmp by cmp_canon_sexp.
--

GnuPG-bug-id: 5061
2020-09-11 15:47:39 +02:00
NIIBE Yutaka
d4cb774ddd scd: Flush KDF DO (0x00F9) when it's being set.
* scd/app-openpgp.c (do_setattr): Call flush_cache_item always.

--

Only it was called when there was an object with KDF_DATA_LENGTH_MAX.
No matter the VALUELEN, it should be flushed.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-10 15:20:01 +09:00
NIIBE Yutaka
0db9c83555 scd: Add a workaround for Yubikey.
* scd/app-openpgp.c (get_public_key): Handle wrong code for Yubikey.

--

Yubikey version 5 s/n 609074582 returns 0x6982, version 5.2.4 s/n
610616049 returns 0x6581, where 0x6a88 is expected.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-08 11:41:33 +09:00
NIIBE Yutaka
270c49b8c6 scd: Fix handling 0x00FA to support OpenPGP card 3.4.
* scd/app-openpgp.c (data_objects): It may be longer.

Fixes-commit: 90d0072165
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-07 14:24:48 +09:00
Werner Koch
0e721b635d
scd: Increase the number of supported readers from 4 to 16.
--

The limit on 4 readers I introduced in 2003 is too low for some of our
use cases.  16 looks better.   TODO: Return a useful error message in
gpg-card if the limit has been reached.

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-09-04 12:51:54 +02:00
NIIBE Yutaka
43bbc25b0f scd: Support GET DATA response with no header for DO 0x00FA.
* scd/app-openpgp.c (do_getattr): Support Gnuk, as well.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-04 17:16:59 +09:00
NIIBE Yutaka
eba2563dab scd: Parse "Algorithm Information" data object in scdaemon.
* scd/app-openpgp.c (data_objects): 0x00FA for binary data.
(do_getattr): Parse the data and send it in status lines.
(get_algorithm_attribute_string): New.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-09-04 13:12:57 +09:00