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scd: Fix READER-PORT option handling for PC/SC. 

* scd/apdu.c (apdu_open_reader): READERNO should be -1 when
READER-PORT is specified for PC/SC.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2021-06-07 11:38:25 +09:00
parent 21ef425e22
commit ee5b6af370
1 changed files with 27 additions and 17 deletions
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44
scd/apdu.c
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@ -2129,32 +2129,42 @@ apdu_open_reader (struct dev_list *dl)
if (!dl->table)
return -1;
#ifdef HAVE_LIBUSB
/* See whether we want to use the reader ID string or a reader
number. A readerno of -1 indicates that the reader ID string is
to be used. */
if (dl->portstr && strchr (dl->portstr, ':'))
readerno = -1; /* We want to use the readerid. */
else if (dl->portstr)
if (dl->portstr)
{
readerno = atoi (dl->portstr);
if (readerno < 0 || readerno >= dl->idx_max)
return -1;
npth_mutex_lock (&reader_table_lock);
/* If already opened HANDLE, return -1. */
for (slot = 0; slot < MAX_READER; slot++)
if (reader_table[slot].used)
{
npth_mutex_unlock (&reader_table_lock);
if (!opt.disable_ccid || strchr (dl->portstr, ':'))
readerno = -1; /* We want to use the readerid. */
else
{
readerno = atoi (dl->portstr);
if (readerno < 0 || readerno >= dl->idx_max)
return -1;
}
npth_mutex_unlock (&reader_table_lock);
dl->idx = readerno;
dl->portstr = NULL;
npth_mutex_lock (&reader_table_lock);
/* If already opened HANDLE, return -1. */
for (slot = 0; slot < MAX_READER; slot++)
if (reader_table[slot].used)
{
npth_mutex_unlock (&reader_table_lock);
return -1;
}
npth_mutex_unlock (&reader_table_lock);
dl->idx = readerno;
dl->portstr = NULL;
}
}
else
readerno = 0; /* Default. */
#else
if (dl->portstr)
readerno = -1; /* We want to use the readerid. */
else
readerno = 0; /* Default. */
#endif
#ifdef HAVE_LIBUSB
if (!opt.disable_ccid)