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scd: New option to APDU command to return the ATR as data.

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* scd/command.c (cmd_apdu): Add new option --data-atr.
* tools/gpg-card.c (cmd_apdu): Use that here.  Also fix the --exlen
option and do not print the statusword in atr mode.
* tools/card-call-scd.c (scd_apdu): Detect atr mode anddon't assume a
status word.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-08-27 11:55:37 +02:00
parent 95b5a852e2
commit a0a4744bd0
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 29 additions and 8 deletions
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18
scd/command.c
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@ -1933,6 +1933,8 @@ cmd_apdu (assuan_context_t ctx, char *line)
size_t exlen;
if (has_option (line, "--dump-atr"))
with_atr = 3;
else if (has_option (line, "--data-atr"))
with_atr = 2;
else
with_atr = has_option (line, "--atr");
@ -1969,7 +1971,7 @@ cmd_apdu (assuan_context_t ctx, char *line)
rc = gpg_error (GPG_ERR_INV_CARD);
goto leave;
}
if (with_atr == 2)
if (with_atr == 3)
{
char *string, *p, *pend;
@ -1986,7 +1988,19 @@ cmd_apdu (assuan_context_t ctx, char *line)
rc = assuan_send_data (ctx, p, strlen (p));
es_free (string);
if (rc)
goto leave;
{
xfree (atr);
goto leave;
}
}
}
else if (with_atr == 2)
{
rc = assuan_send_data (ctx, atr, atrlen);
if (rc)
{
xfree (atr);
goto leave;
}
}
else