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scd: Fix use case of PC/SC.

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* 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>
This commit is contained in:
NIIBE Yutaka 2017-02-13 11:09:13 +09:00
parent 5996c7bf99
commit da4c132cca
3 changed files with 13 additions and 5 deletions
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2
scd/app.c
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@ -343,7 +343,7 @@ select_application (ctrl_t ctrl, const char *name, app_t *r_app,
int slot;
int periodical_check_needed_this;
slot = apdu_open_reader (l);
slot = apdu_open_reader (l, !app_top);
if (slot < 0)
break;