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scd: Support multiple readers by CCID driver.

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* 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>
This commit is contained in:
NIIBE Yutaka 2017-01-06 09:14:13 +09:00
parent 6170eb8090
commit 8a41e73c31
6 changed files with 596 additions and 197 deletions
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3
scd/app-common.h
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@ -121,6 +121,9 @@ size_t app_help_read_length_of_cert (int slot, int fid, size_t *r_certoff);
/*-- app.c --*/
app_t app_list_start (void);
void app_list_finish (void);
void app_dump_state (void);
void application_notify_card_reset (int slot);
gpg_error_t check_application_conflict (const char *name, app_t app);