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scd: Improve reading of binary records.

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* scd/iso7816.c (iso7816_read_binary_ext): Handle the 0x6a86 SW the
same as 6b00.
* scd/apdu.c (apdu_get_atr): Modify debug messages.
* scd/app-p15.c (app_select_p15): Print FCI on error.
(read_p15_info): Clean up diag in presence of debug options.
--

Some cards return 6a86 instead of 6b00.

Signed-off-by: Werner Koch <wk@gnupg.org>
Backported-from-master: 44f977d0e332e77fb8a775c4837c00118bbe08cb
This commit is contained in:
Werner Koch 2021-06-16 20:29:47 +02:00
parent 88606cc484
commit adf387b3f1
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 5 additions and 10 deletions
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11
scd/apdu.c
View File

@ -2615,19 +2615,16 @@ apdu_get_atr (int slot, size_t *atrlen)
{
unsigned char *buf;
if (DBG_READER)
log_debug ("enter: apdu_get_atr: slot=%d\n", slot);
if (slot < 0 || slot >= MAX_READER || !reader_table[slot].used )
{
if (DBG_READER)
log_debug ("leave: apdu_get_atr => NULL (bad slot)\n");
log_debug ("apdu_get_atr => NULL (bad slot)\n");
return NULL;
}
if (!reader_table[slot].atrlen)
{
if (DBG_READER)
log_debug ("leave: apdu_get_atr => NULL (no ATR)\n");
log_debug ("apdu_get_atr => NULL (no ATR)\n");
return NULL;
}
@ -2635,13 +2632,11 @@ apdu_get_atr (int slot, size_t *atrlen)
if (!buf)
{
if (DBG_READER)
log_debug ("leave: apdu_get_atr => NULL (out of core)\n");
log_debug ("apdu_get_atr => NULL (out of core)\n");
return NULL;
}
memcpy (buf, reader_table[slot].atr, reader_table[slot].atrlen);
*atrlen = reader_table[slot].atrlen;
if (DBG_READER)
log_debug ("leave: apdu_get_atr => atrlen=%zu\n", *atrlen);
return buf;
}

2
scd/app-p15.c
View File

@ -3906,8 +3906,8 @@ read_p15_info (app_t app)
log_printf ("\n");
}
log_info ("p15: atr ..........: ");
atr = apdu_get_atr (app_get_slot (app), &atrlen);
log_info ("p15: atr ..........: ");
if (!atr)
log_printf ("[error]\n");
else

2
scd/iso7816.c
View File

@ -906,7 +906,7 @@ iso7816_read_binary_ext (int slot, int extended_mode,
if (r_sw)
*r_sw = sw;
if (*result && sw == SW_BAD_P0_P1)
if (*result && (sw == SW_BAD_P0_P1 || sw == SW_INCORRECT_P0_P1))
{
/* Bad Parameter means that the offset is outside of the
EF. When reading all data we take this as an indication