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385 Commits

Author SHA1 Message Date
NIIBE Yutaka
519c01a0fd scd: Fix card removal/reset on multiple contexts.
* scd/app.c (application_notify_card_reset): Add message for debug.
*scd/command.c (update_card_removed): Call release_application and set
SLOT -1 here.
(struct server_local_s): Remove app_ctx_marked_for_release.
(do_reset): Don't mark release but call release_application here.
(open_card): Remove app_ctx_marked_for_release handling.
(update_reader_status_file): Don't set SLOT here, so that it can be
released the APP by application_notify_card_reset in
update_card_removed.
--
Backport of master commit: 1598a4476466822e7e9c757ac471089d3db4b545

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2016-11-29 17:39:00 +09:00
NIIBE Yutaka
3b3386a3fd scd: Fix race conditions for release_application.
* scd/command.c (do_reset, cmd_restart): Reset app_ctx before calling
release_application.

--
Backport of master commit: 0c1fd4e9884ed7c1edd1819762b9e8a77f606ed3

Thanks to Ben Warren for the report.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2016-11-29 17:15:20 +09:00
Werner Koch
f916d5756f scd: Make option --homedir work.
* scd/scdaemon.c (opts): Add --homedir.
--
Backport of master commit: def512eb67c8a380f3b873cee0f156deef0b6dda

Without that entry the homedir setting won't work.

GnuPG-bug-id: 2386
Signed-off-by: Werner Koch <wk@gnupg.org>
2016-11-29 17:10:33 +09:00
NIIBE Yutaka
51464a0ead scd: More fix of error return path.
* scd/command.c (open_card): Return GPG_ERR_ENODEV on the failure of
apdu_connect.

--
Backport of master commit: 6677d8b61446eb5760a30a2488c992d6e895a9ed

GnuPG-bug-id: 2306
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2016-11-29 17:08:57 +09:00
Justus Winter
d87699597f scd: Improve error handling.
* scd/app-openpgp.c (get_public_key): Improve error handling.
--
Backport master commit: 6a37b45a7f13cf5d2ae7d6c9cd796a4bd197b80d

Found using the Clang Static Analyzer.

Signed-off-by: Justus Winter <justus@g10code.com>
2016-11-29 17:06:28 +09:00
NIIBE Yutaka
d4316d1374 scd: Fix error handling with libusb-compat library.
* scd/ccid-driver.c (bulk_out): Use LIBUSB_ERRNO_NO_SUCH_DEVICE.

--

With libusb-compat library, the error is different than original
libusb.  (The libusb-compat library is used by Fedora.)

Backport of master commit: 1e94a672efb8bf66f416bc63bf6670e509a21fe5
2016-11-29 17:02:49 +09:00
NIIBE Yutaka
af7245e9a7 scd: Handle error correctly.
* scd/apdu.c (apdu_connect): Initialize variables and check an error
of apdu_get_status_internal.

--
Backport from master commit: 6bb7206e357acfd7276a8f1334c0f0c9cc6ed100
2016-11-29 16:55:49 +09:00
NIIBE Yutaka
a6f7c8d9b7 scd: KEYNO cleanup.
* scd/app-openpgp.c (get_public_key, send_keypair_info, do_readkey)
(change_keyattr, change_keyattr_from_string, ecc_writekey, do_genkey)
(compare_fingerprint, check_against_given_fingerprint): KEYNO starts
from 0.

--
Backport of master commit: fd689e85423d0d80d725f0315c52d94f0e9766f8
2016-11-29 16:53:55 +09:00
NIIBE Yutaka
f1b9521fd6 scd: Use cipher.h for constants.
* scd/app-openpgp.c: Include cipher.h.

--
Backport from master commit:f5d356fb5bbbd0e05a753612455253e4bc335266
2016-11-29 16:38:45 +09:00
Niibe Yutaka
c68d39f711 scd: Reset nonnull_nad to zero for VENDOR_GEMPC.
* (parse_ccid_descriptor): nonnull_nad = 0 for all GEMPC device.

--

We can't use the driver for 08E6:3438, while it works well under PC/SC
service.  I found that the library of ccid always uses the node
address = ZERO for all transactions.  So, we extend the same handling
for not only GEMPC_CT30, but also for all its devices.

Debian-bug-id: 814584
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(backport form master
commit 971064f8b7ad676326b2a468f688037a303717df)
2016-06-19 11:33:32 +09:00
NIIBE Yutaka
8729f35510 scd: Fix commit 9a9bfd77.
* scd/app.c (check_application_conflict): Get SLOT.
2015-12-15 09:56:08 +09:00
Daniel Hoffend
904fbdccd6 scd: Fix removal of unplugged usb readers on Windows.
* scd/apdu.c (pcsc_error_to_sw): map PCSC_E_NO_SERVICE and
PCSC_E_SERVICE_STOPPED to the internal SW_HOST_NO_READER error code.

--

Signed-off-by: Daniel Hoffend <dh@dotlan.net>
GnuPG-bug-id: 2167

In Windows 8 (and later), PC/SC service only runs when reader/token is
plugged in.  After its removal, it returns PCSC_E_NO_SERVICE error.
This error should be handled as no reader.  This comment is by gniibe.

(backport of commit d1a97585c5e73fbc7d4cf90e38f76ffc5aea305f)
2015-12-15 09:51:56 +09:00
NIIBE Yutaka
520c85ed94 scd: Simplify saving application context.
* scd/app.c (lock_table): Remove LAST_APP field.
(lock_reader, app_dump_state, application_notify_card_reset)
(release_application): Follow the change.
(check_conflict): New.
(check_application_conflict): Lock the slot and call check_conflict.
(select_application): Call check_conflict and not use LAST_APP.

--

We don't need LAST_APP field but just keep the application context by
APP field.  Since we have a reference counter, it is possible if we
can deallocate or not.

(backport of commit 9639af5f16a7ed908cbce2415330b9fcd88edc90)
2015-12-15 09:49:29 +09:00
NIIBE Yutaka
9934889415 scd: Fix "Conflicting usage" bug.
* scd/apdu.c (apdu_close_reader): Call CLOSE_READER method even if we
  got an error from apdu_disconnect.
* scd/app-common.h (no_reuse): Remove.
* scd/app.c (application_notify_card_reset): Deallocate APP here.
(select_application, release_application): Don't use NO_REUSE.

--

Reproducible scenario: Invoke gpg --card-edit session from a terminal.
Invoke another gpg --card-edit session from another.  Remove a token.
Insert a token again.  Type RET on both terminals.  One of terminal
answers "Conflicting usage".

Perhaps, having NO_REUSE field was to avoid race conditions.  Now,
APP can be safely deallocated by application_notify_card_reset.

Thanks to the2nd.

(backport of commit f42c50dbf00c2e6298ca6830cbe6d36805fa54a3)
2015-12-15 09:48:06 +09:00
NIIBE Yutaka
a63fddad68 scd: Fix ccid-driver timeout for OpenPGPcard v2.1.
* scd/ccid-driver.c (CCID_CMD_TIMEOUT): New.
(ccid_transceive_apdu_level, ccid_transceive): Use.

--

It is reported that key generation causes timeout with OpenPGPcard
v2.1.  Ideally, timeout value could be determined at run-time by
examining card's ATR.  Compile-time fixed value is OK for internal
CCID driver.

(cherry-picked from 2.1 6510df3a7cd2b5bf44fac1e4d50ee54b8c897daa)
2015-09-17 11:32:24 +09:00
NIIBE Yutaka
022719695e scd: pinpad workaround for PC/SC implementations.
* scd/adpu.c (pcsc_pinpad_verify, pcsc_pinpad_modify): Bigger buffer
for TPDU card reader.

--

(backport from 2.1 commit 5e1d2fe6555d06f9dcd2daac713b2edfbc0428a5)

GnuPG-bug-id: 2003, 2004

This is needed for PC/SC on Debian Jessie.  Note that it's not only
for Cherry ST-2000, but also, for any TPDU card readers.
2015-06-23 10:48:04 +09:00
NIIBE Yutaka
9200bf1bab scd: Fix Cherry ST-2000 support for pinpad input.
* scd/apdu.c (pcsc_vendor_specific_init): Set pinmax to 15.
* scd/ccid-driver.c (ccid_transceive_secure): Add zero for the
template of APDU.

--

(backport from 2.1 commit 444e9232aa9e00aacd939cbf7bdb881b550dfebe)

GnuPG-bug-id: 2003, 2004
2015-06-23 10:46:44 +09:00
NIIBE Yutaka
3f9f33bbcb scd: PC/SC reader selection by partial string match.
* scd/apdu.c (open_pcsc_reader_direct): Partial string match.
* scd/pcsc-wrapper.c (handle_open): Likewise.

--

(backport from 2.1 commit 01a2a61bc4b34817c4216888265f65d59a33dad3)

The card reader name by PC/SC service might include USB bus,
which varies (on some platform like GNU/Linux).  Thus, it's
better to match partial string.

Original patch was submitted by anstein.  I changed it to fallback to
the first reader if no match found.

GnuPG-bug-id: 1618, 1930
2015-05-01 14:16:28 +09:00
NIIBE Yutaka
05f32c702e scd: better handling of extended APDU.
* scd/apdu.c (send_le): Bug fix for not append Z when lc<0&&le<0.
* scd/app-common.h (struct app_ctx_s): Use bit fields for flags.
* scd/ccid-driver.c (CCID_MAX_BUF): New.  Only for OpenPGPcard.
(struct ccid_driver_s): New field of max_ccid_msglen.
 Remove ifsd field.
(parse_ccid_descriptor): Initialize max_ccid_msglen.
(ccid_transceive_apdu_level): Implement sending extended APDU in
chain of CCID message.

--

With this patch, we won't need PC/SC library/service any more.
GnuPG-bug-id: 1947
(backported from 2.1 commit 971d558e862db878a7310e06ed7116dbe36886ab)
2015-04-15 16:09:08 +09:00
Werner Koch
b4ec909186 scd: Fix possible NULL deref in apdu.c
* scd/apdu.c (control_pcsc_direct): Take care of BUFLEN being NULL.
(control_pcsc_wrapped): Ditto.
--

pcsc_vendor_specific_init calls the above with BUFFER and BUFLEN as
NULL.

Reported by Stack 0.3:

  bug: anti-dce
  model: |
    control_pcsc.exit77:
    %retval.0.i.i76 = phi i32 [ %rc.0.i.i.i73, \
            %pcsc_error_to_sw.exit.i.i74 ], [ 0, %if.end.i.i75 ]
    %tobool198 = icmp ne i32 %retval.0.i.i76, 0, !dbg !728
    br i1 %tobool198, label %if.then199, label %if.end200, !dbg !728
  stack:
    - /home/wk/s/gnupg/scd/apdu.c:1882:0
  ncore: 1
  core:
    - /home/wk/s/gnupg/scd/apdu.c:1309:0
      - buffer overflow

(backported from 2.1 commit ef0a3abf7305133d071bf1a94a7f461082f9a9aa)
2015-04-15 16:06:06 +09:00
Werner Koch
3627123dc8 Use inline functions to convert buffer data to scalars.
* include/host2net.h (buf16_to_ulong, buf16_to_uint): New.
(buf16_to_ushort, buf16_to_u16): New.
(buf32_to_size_t, buf32_to_ulong, buf32_to_uint, buf32_to_u32): New.
--

This fixes sign extension on shift problems.  Hanno Böck found a case
with an invalid read due to this problem.  To fix that almost all uses
of "<< 24" and "<< 8" are changed by this patch to use an inline
function from host2net.h.

(back ported from commit 2183683bd633818dd031b090b5530951de76f392)

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-02-12 20:34:44 +01:00
Joshua Rogers
3d9f8bf1dc Remove incorrect expression leading to errors.
* scd/ccid-driver.c (send_escape_cmd): Fix setting of 'rc'.
--

Variable 'rc' in send_escape_cmd was overwritten before it was
returned, leading to incorrect computation.

Signed-off-by: Joshua Rogers <git@internot.info>

[Log entry reformatted - wk]
2015-01-25 10:38:26 +01:00
Daniel Kahn Gillmor
0fd4cd8503 scd: Avoid double-free on error condition in scd
* scd/command.c (cmd_readkey): avoid double-free of cert

--

When ksba_cert_new() fails, cert will be double-freed.

Debian-Bug-Id: 773471

Original patch changed by wk to do the free only at leave.
2015-01-13 10:52:22 +09:00
Werner Koch
d92fe965f3 scd: Fix possibly inhibited checkpin of the admin pin.
* scd/app-openpgp.c (do_check_pin): Do not check a byte of a released
buffer.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-01-09 09:07:28 +09:00
Joshua Rogers
40f476867c scd: fix get_public_key for OpenPGPcard v1.0.
* scd/app-openpgp.c (get_public_key): correctly close 'fp' upon use.

--

Inside the get_public_key function, 'fp' was opened using popen, but
incorrectly closed using fclose.

Debian-Bug-Id: 773474
2015-01-08 11:16:51 +09:00
Andreas Schwier
5798673156 scd: Allow for certificates > 1024 with PC/SC.
* scd/pcsc-wrapper.c (handle_transmit): Enlarge buffer to 4096 too
allow for larger certificates.
2014-07-21 14:49:43 +02:00
Werner Koch
505f0a642f scd: Support reader Gemalto IDBridge CT30
* scd/ccid-driver.c (parse_ccid_descriptor): Add quirk for that
reader.
(GEMPC_CT30): New product id.
--

GnuPG-bug-id: 1638

Resolved conflicts:
	scd/ccid-driver.h - Removed. product ids are in ccid-driver.c.
2014-06-27 09:56:33 +02:00
Werner Koch
aacb43a730 Remove thread callbacks for libgcrypt >= 1.6.
* agent/gpg-agent.c (GCRY_THREAD_OPTION_PTH_IMPL): Do not use with
libgcrypt >= 1.6.
(main): Ditto.
* scd/scdaemon.c (GCRY_THREAD_OPTION_PTH_IMPL): Ditto.
(main): Ditto.
--

This is not anymore needed but kept for compatibility with Libgcrypt <
1.6.
2014-06-24 10:56:19 +02:00
Werner Koch
2daa112a74 Improve configure option --with-libgpg-error-prefix
--
GnuPG-bug-id: 1561

Note that this is not a complete solution.  The libgpg-error include
directory has now a higher preference but ld may not pick up the right
library if another one is installed.  The problem is that the -L
option and the -l options are not emitted separately by
gpg-error-config.
2014-06-24 10:36:15 +02:00
Werner Koch
dc941bdaec scd: Skip S/N reading for the "undefined" application.
* scd/app.c (select_application): Skip serial number reading.
--
(cherry picked from commit 792e137ec7997a0ff5c54ff970611238d28d4ba8)

Resolved conflicts:

	scd/app.c: Take care of already changed geldkarte/dinsig
	order.
2014-03-12 15:03:57 +01:00
Werner Koch
66585314e3 scd: Fix two compiler warnings.
* scd/apdu.c (pcsc_vendor_specific_init): Add suggested parens.
* scd/ccid-driver.c (ccid_get_atr): Cast DEBUGOUT_1 arg to int.
2013-11-27 09:33:50 +01:00
NIIBE Yutaka
f72d9a5cf6 scd: more pinpad input fix for PC/SC.
* scd/apdu.c (check_pcsc_pinpad): Set default values here.
(pcsc_pinpad_verify, pcsc_pinpad_modify): Remove setting default
values, as it's too late.

--

cherry picked from master.
2013-11-13 16:47:39 +09:00
NIIBE Yutaka
07d7015e4d scd: more pinpad fix.
* scd/apdu.c (check_pcsc_pinpad): Set ->minlen and ->maxlen only when
those are specified.
(pcsc_pinpad_modify): Remove old check code.

--

cherry picked from master.
2013-11-11 16:46:00 +09:00
NIIBE Yutaka
04e5feea8b scd: pinpad fix for PC/SC on Windows.
* scd/apdu.c (SCARD_CTL_CODE): Fix for Windows.

--

cherry picked from master.
2013-10-29 09:07:58 +09:00
NIIBE Yutaka
2b92007aba scd: fix pinpad input on Windows.
* scd/apdu.c (open_pcsc_reader_direct): Don't call
pcsc_vendor_specific_init here, but...
(connect_pcsc_card): Call it here.

--

Thanks to Martin Wolters for the bug report (backport from master).
2013-10-25 10:00:25 +09:00
NIIBE Yutaka
9625e7c75a scd: add pinpad readers information for PC/SC service.
* scd/apdu.c (pcsc_vendor_specific_init): Add information for Cherry
ST-2xxx, Reiner cyberJack, Vasco DIGIPASS, FSIJ Gnuk Token, and KAAN
Advance.

--

Cherry pick from master.
2013-10-16 09:54:49 +09:00
NIIBE Yutaka
b624677f73 scd: remove pin length check.
* scd/apdu.c (pcsc_pinpad_verify): Remove old check code for pin
length.

--
GnuPG-bug-id: 1549
Cherry pick from master.
2013-10-15 10:48:41 +09:00
NIIBE Yutaka
755f92e2af scd: PC/SC pinpad input improvement.
* scd/apdu.c (struct reader_table_s): Add members: PINMIN, PINMAX, and
PINPAD_VERLEN_SUPPORTED.
(CM_IOCTL_VENDOR_IFD_EXCHANGE, FEATURE_GET_TLV_PROPERTIES,
PCSCv2_PART10_PROPERTY_*): New.
(new_reader_slot): Initialize pinpad_varlen_supported, pinmin, pinmax.
(pcsc_vendor_specific_init): New.
(open_pcsc_reader_direct, open_pcsc_reader_wrapped): Call
pcsc_vendor_specific_init.
(check_pcsc_pinpad): Not detect here but use the result of
pcsc_vendor_specific_init.
(pcsc_pinpad_verify, pcsc_pinpad_modify): Specify bNumberMessage.

--

(cherry picked from commit 95a3bffeaf07e8bf9487d4b165c336d166236fc1)

Signed-off-by: NIIBE Yutaka

--
2013-08-30 11:15:32 +09:00
Jonas Borgström
6acb1d06f0 scd: add support for RSA_CRT and RSA_CRT_N key import.
* scd/app-openpgp.c (do_writekey): Added RSA_CRT and RSA_CRT_N support.

--

Updates of original patch by wk:

  -      unsigned char *rsa_u, *rsa_dp, rsa_dq;
  +      unsigned char *rsa_u, *rsa_dp, *rsa_dq;

and AUTHORS.  Missing signed-off-by assumed due to DCO send the other
day.

(cherry picked from commit cc67918c088e90c1d9a507af5f6288e8faa93d87)

Solved conflicts:
	AUTHORS => Removed
	scd/app-openpgp.c => s/.rsa.format/.format/.
2013-08-29 18:11:01 +02:00
NIIBE Yutaka
9158f58822 scd: fix parsing login-data DO.
* scd/app-openpgp.c (parse_login_data): Release RELPTR.  Fix parsing.

--

Signed-off-by: NIIBE Yutaka
2013-08-27 10:28:50 +09:00
NIIBE Yutaka
6d8f36a045 scd: fix Vega for Alpha reader.
* scd/ccid-driver.c (ccid_vendor_specific_init): Fix error handling
and size of command.

--

Signed-off-by: NIIBE Yutaka
2013-08-27 10:19:49 +09:00
Werner Koch
b63717031d scd: Make SPRx32 pinpad work with PC/SC on Windows.
* scd/apdu.c (CM_IOCTL_GET_FEATURE_REQUEST): Use SCARD_CTL_CODE.
(SCARD_CTL_CODE): Define if not defined.
(reader_table_s): Add is_spr532.
(new_reader_slot): Clear it.
(check_pcsc_pinpad): Set it.
(pcsc_pinpad_verify, pcsc_pinpad_modify): Add fix for SPR532.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 5c5e52df4b92e23045ac87abac09357de58920d4)
2013-08-21 16:47:44 +02:00
Werner Koch
43e85d7bee scd: Improve --enable-pinpad-varlen.
* tools/gpgconf-comp.c (gc_options_scdaemon): Add
enable-pinpad-varlen.
* scd/apdu.c (check_pcsc_pinpad): Detect SPRx32 reader.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 7bde2bf3b0ddb5d3515a44879e1a7ddb581a5c0b)
2013-08-21 16:47:34 +02:00
Werner Koch
8ddf604659 Fix syntax error for building on APPLE.
* scd/pcsc-wrapper.c [__APPLE__]: Fix syntax error.
--

For W32 and probably for Cygwin we don't need the wrapper, thus the
problems does not exhibit itself.
2013-05-11 21:46:43 +02:00
Ian Abbott
049b3d9ca0 w32: Add icons and version information.
* common/gnupg.ico: New.  Take from artwork/gnupg-favicon-1.ico.
* agent/gpg-agent-w32info.rc: New.
* g10/gpg-w32info.rc: New.
* scd/scdaemon-w32info.rc: New.
* sm/gpgsm-w32info.rc: New.
* tools/gpg-connect-agent-w32info.rc: New.
* common/w32info-rc.h.in: New.
* configure.ac (BUILD_REVISION, BUILD_FILEVERSION, BUILD_TIMESTAMP)
(BUILD_HOSTNAME): New.
(AC_CONFIG_FILES): Add w32info-rc.h.
* am/cmacros.am (.rc.o): New rule.
* agent/Makefile.am, common/Makefile.am, g10/Makefile.am
* scd/Makefile.am, sm/Makefile.am, tools/Makefile.am: Add stuff to
build resource files.

Signed-off-by: Werner Koch <wk@gnupg.org>
2013-05-07 21:17:04 +02:00
NIIBE Yutaka
145d672fbf scd: Add pinpad support for REINER SCT cyberJack go
* scd/ccid-driver.c (VENDOR_REINER, CYBERJACK_GO): New.
(ccid_transceive_secure): Handle the case for VENDOR_REINER.
Original work was by Alina Friedrichsen (tiny change).
--
This is revised version which adapts changes of ccid-driver.
2013-04-24 08:36:31 +09:00
Werner Koch
40ca0022a7 w32: Almost everywhere include winsock2.h before windows.h.
--

This is required by newer mingw toolchain versions which demand that
winsock2.h is included before windows.h.  Now, due to the use of
socket definitions in pth.h we need to include winsock2.h also in
pth.h, now pth.h is often included after an include of windows.h and
thus the compiler spits out a warning.  To avoid that we include
winsock2.h at all places the compiler complains about.
2013-04-23 18:06:46 +02:00
Werner Koch
e24e92d7e2 Ignore obsolete option --disable-keypad.
* scd/scdaemon.c (opts): Ignore --disable-keypad.
--

The renaming of --disable-keypad to --disable-pinpad might mess up
configuration files managed with a GUI.  The GUI does not not anymore
know about the old option and would allow the user to switch
"disable-pinpad" on.  However, a "disable-keypad" might still linger
in the conf file with gpgconf not knowing about it.  Thus the conf
file would always be rejected and manual intervention would be
required.  Ignoring the old option nicely solves the problem.
2013-04-22 15:19:38 +02:00
NIIBE Yutaka
79d7e1d86b scd: move SCDaemon to libexecdir.
* common/homedir.c (gnupg_module_name): It's now libexecdir.
* scd/Makefile.am (libexec_PROGRAMS): Add scdaemon
(bin_PROGRAMS): Remove scdaemon.
2013-04-01 11:42:11 +09:00
NIIBE Yutaka
c3495209ee scd: PC/SC status fix.
* scd/apdu.c (pcsc_get_status_direct): Check PCSC_STATE_MUTE only when
PCSC_STATE_PRESENT.

* scd/pcsc-wrapper.c (handle_status): Ditto.
2013-03-26 12:43:24 +09:00