/*
* Unblock a PIN.
*/
int sc_pkcs15_unblock_pin(struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *pin_obj,
const u8 *puk, size_t puklen,
const u8 *newpin, size_t newpinlen)
{
int r;
sc_card_t *card;
struct sc_pin_cmd_data data;
struct sc_pkcs15_object *puk_obj;
struct sc_pkcs15_pin_info *puk_info = NULL;
struct sc_pkcs15_pin_info *pin_info = (struct sc_pkcs15_pin_info *)pin_obj->data;
/* make sure the pins are in valid range */
if ((r = _validate_pin(p15card, pin_info, newpinlen)) != SC_SUCCESS)
return r;
card = p15card->card;
/* get pin_info object of the puk (this is a little bit complicated
* as we don't have the id of the puk (at least now))
* note: for compatibility reasons we give no error if no puk object
* is found */
/* first step: try to get the pkcs15 object of the puk */
r = sc_pkcs15_find_pin_by_auth_id(p15card, &pin_obj->auth_id, &puk_obj);
if (r >= 0 && puk_obj) {
/* second step: get the pkcs15 info object of the puk */
puk_info = (struct sc_pkcs15_pin_info *)puk_obj->data;
}
if (!puk_info) {
sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL, "Unable to get puk object, using pin object instead!");
puk_info = pin_info;
}
/* make sure the puk is in valid range */
if ((r = _validate_pin(p15card, puk_info, puklen)) != SC_SUCCESS)
return r;
r = sc_lock(card);
SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "sc_lock() failed");
/* the path in the pin object is optional */
if (pin_info->path.len > 0) {
r = sc_select_file(card, &pin_info->path, NULL);
if (r)
goto out;
}
/* set pin_cmd data */
memset(&data, 0, sizeof(data));
data.cmd = SC_PIN_CMD_UNBLOCK;
data.pin_type = SC_AC_CHV;
data.pin_reference = pin_info->reference;
data.pin1.data = puk;
data.pin1.len = puklen;
data.pin1.pad_char = pin_info->pad_char;
data.pin1.min_length = pin_info->min_length;
data.pin1.max_length = pin_info->max_length;
data.pin1.pad_length = pin_info->stored_length;
data.pin2.data = newpin;
data.pin2.len = newpinlen;
data.pin2.pad_char = puk_info->pad_char;
data.pin2.min_length = puk_info->min_length;
data.pin2.max_length = puk_info->max_length;
data.pin2.pad_length = puk_info->stored_length;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_NEEDS_PADDING)
data.flags |= SC_PIN_CMD_NEED_PADDING;
switch (pin_info->type) {
case SC_PKCS15_PIN_TYPE_BCD:
data.pin1.encoding = SC_PIN_ENCODING_BCD;
break;
case SC_PKCS15_PIN_TYPE_ASCII_NUMERIC:
data.pin1.encoding = SC_PIN_ENCODING_ASCII;
break;
}
switch (puk_info->type) {
case SC_PKCS15_PIN_TYPE_BCD:
data.pin2.encoding = SC_PIN_ENCODING_BCD;
break;
case SC_PKCS15_PIN_TYPE_ASCII_NUMERIC:
data.pin2.encoding = SC_PIN_ENCODING_ASCII;
break;
}
if(p15card->card->reader->capabilities & SC_READER_CAP_PIN_PAD) {
data.flags |= SC_PIN_CMD_USE_PINPAD;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
data.pin1.prompt = "Please enter PUK";
data.pin2.prompt = "Please enter new SO PIN";
} else {
data.pin1.prompt = "Please enter PUK";
data.pin2.prompt = "Please enter new PIN";
}
}
r = sc_pin_cmd(card, &data, &pin_info->tries_left);
if (r == SC_SUCCESS)
sc_pkcs15_pincache_add(p15card, pin_obj, newpin, newpinlen);
out:
sc_unlock(card);
return r;
}
/*
* Verify a PIN.
*
* If the code given to us has zero length, this means we
* should ask the card reader to obtain the PIN from the
* reader's PIN pad
*/
int sc_pkcs15_verify_pin(struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *pin_obj,
const unsigned char *pincode, size_t pinlen)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_pin_info *pin_info = (struct sc_pkcs15_pin_info *)pin_obj->data;
int r;
sc_card_t *card;
struct sc_pin_cmd_data data;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_NORMAL);
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "PIN(%p;len:%i)", pincode, pinlen);
r = _validate_pin(p15card, pin_info, pinlen);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, r, "PIN value do not conforms the PIN policy");
card = p15card->card;
r = sc_lock(card);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, r, "sc_lock() failed");
/* the path in the pin object is optional */
if (pin_info->path.len > 0) {
r = sc_select_file(card, &pin_info->path, NULL);
if (r)
goto out;
}
/* Initialize arguments */
memset(&data, 0, sizeof(data));
data.cmd = SC_PIN_CMD_VERIFY;
data.pin_type = pin_info->auth_method;
data.pin_reference = pin_info->reference;
data.pin1.min_length = pin_info->min_length;
data.pin1.max_length = pin_info->max_length;
data.pin1.pad_length = pin_info->stored_length;
data.pin1.pad_char = pin_info->pad_char;
data.pin1.data = pincode;
data.pin1.len = pinlen;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_NEEDS_PADDING)
data.flags |= SC_PIN_CMD_NEED_PADDING;
switch (pin_info->type) {
case SC_PKCS15_PIN_TYPE_BCD:
data.pin1.encoding = SC_PIN_ENCODING_BCD;
break;
case SC_PKCS15_PIN_TYPE_ASCII_NUMERIC:
data.pin1.encoding = SC_PIN_ENCODING_ASCII;
break;
default:
/* assume/hope the card driver knows how to encode the pin */
data.pin1.encoding = 0;
}
if(p15card->card->reader->capabilities & SC_READER_CAP_PIN_PAD) {
if (!pincode && !pinlen)
data.flags |= SC_PIN_CMD_USE_PINPAD;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_SO_PIN)
data.pin1.prompt = "Please enter SO PIN";
else
data.pin1.prompt = "Please enter PIN";
}
r = sc_pin_cmd(card, &data, &pin_info->tries_left);
if (r == SC_SUCCESS)
sc_pkcs15_pincache_add(p15card, pin_obj, pincode, pinlen);
out:
sc_unlock(card);
return r;
}
/*
* Change a PIN.
*/
int sc_pkcs15_change_pin(struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *pin_obj,
const u8 *oldpin, size_t oldpinlen,
const u8 *newpin, size_t newpinlen)
{
int r;
sc_card_t *card;
struct sc_pin_cmd_data data;
struct sc_pkcs15_pin_info *pin_info = (struct sc_pkcs15_pin_info *)pin_obj->data;
/* make sure the pins are in valid range */
if ((r = _validate_pin(p15card, pin_info, oldpinlen)) != SC_SUCCESS)
return r;
if ((r = _validate_pin(p15card, pin_info, newpinlen)) != SC_SUCCESS)
return r;
card = p15card->card;
r = sc_lock(card);
SC_TEST_RET(card->ctx, SC_LOG_DEBUG_NORMAL, r, "sc_lock() failed");
/* the path in the pin object is optional */
if (pin_info->path.len > 0) {
r = sc_select_file(card, &pin_info->path, NULL);
if (r)
goto out;
}
/* set pin_cmd data */
memset(&data, 0, sizeof(data));
data.cmd = SC_PIN_CMD_CHANGE;
data.pin_type = SC_AC_CHV;
data.pin_reference = pin_info->reference;
data.pin1.data = oldpin;
data.pin1.len = oldpinlen;
data.pin1.pad_char = pin_info->pad_char;
data.pin1.min_length = pin_info->min_length;
data.pin1.max_length = pin_info->max_length;
data.pin1.pad_length = pin_info->stored_length;
data.pin2.data = newpin;
data.pin2.len = newpinlen;
data.pin2.pad_char = pin_info->pad_char;
data.pin2.min_length = pin_info->min_length;
data.pin2.max_length = pin_info->max_length;
data.pin2.pad_length = pin_info->stored_length;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_NEEDS_PADDING)
data.flags |= SC_PIN_CMD_NEED_PADDING;
switch (pin_info->type) {
case SC_PKCS15_PIN_TYPE_BCD:
data.pin1.encoding = SC_PIN_ENCODING_BCD;
data.pin2.encoding = SC_PIN_ENCODING_BCD;
break;
case SC_PKCS15_PIN_TYPE_ASCII_NUMERIC:
data.pin1.encoding = SC_PIN_ENCODING_ASCII;
data.pin2.encoding = SC_PIN_ENCODING_ASCII;
break;
}
if((!oldpin || !newpin)
&& p15card->card->reader->capabilities & SC_READER_CAP_PIN_PAD) {
data.flags |= SC_PIN_CMD_USE_PINPAD;
if (pin_info->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
data.pin1.prompt = "Please enter SO PIN";
data.pin2.prompt = "Please enter new SO PIN";
} else {
data.pin1.prompt = "Please enter PIN";
data.pin2.prompt = "Please enter new PIN";
}
}
r = sc_pin_cmd(card, &data, &pin_info->tries_left);
if (r == SC_SUCCESS)
sc_pkcs15_pincache_add(p15card, pin_obj, newpin, newpinlen);
out:
sc_unlock(card);
return r;
}
/*
* Change a PIN.
*/
int sc_pkcs15_change_pin(struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *pin_obj,
const u8 *oldpin, size_t oldpinlen,
const u8 *newpin, size_t newpinlen)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pin_cmd_data data;
struct sc_pkcs15_auth_info *auth_info = (struct sc_pkcs15_auth_info *)pin_obj->data;
struct sc_card *card = p15card->card;
int r;
LOG_FUNC_CALLED(ctx);
if (auth_info->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
LOG_FUNC_RETURN(ctx, SC_ERROR_NOT_SUPPORTED);
/* make sure the pins are in valid range */
r = _validate_pin(p15card, auth_info, oldpinlen);
LOG_TEST_RET(ctx, r, "Old PIN value do not conform PIN policy");
r = _validate_pin(p15card, auth_info, newpinlen);
LOG_TEST_RET(ctx, r, "New PIN value do not conform PIN policy");
card = p15card->card;
r = sc_lock(card);
LOG_TEST_RET(ctx, r, "sc_lock() failed");
/* the path in the pin object is optional */
if ((auth_info->path.len > 0) || ((auth_info->path.aid.len > 0))) {
r = sc_select_file(card, &auth_info->path, NULL);
if (r)
goto out;
}
/* set pin_cmd data */
memset(&data, 0, sizeof(data));
data.cmd = SC_PIN_CMD_CHANGE;
data.pin_type = SC_AC_CHV;
data.pin_reference = auth_info->attrs.pin.reference;
data.pin1.data = oldpin;
data.pin1.len = oldpinlen;
data.pin1.pad_char = auth_info->attrs.pin.pad_char;
data.pin1.min_length = auth_info->attrs.pin.min_length;
data.pin1.max_length = auth_info->attrs.pin.max_length;
data.pin1.pad_length = auth_info->attrs.pin.stored_length;
data.pin2.data = newpin;
data.pin2.len = newpinlen;
data.pin2.pad_char = auth_info->attrs.pin.pad_char;
data.pin2.min_length = auth_info->attrs.pin.min_length;
data.pin2.max_length = auth_info->attrs.pin.max_length;
data.pin2.pad_length = auth_info->attrs.pin.stored_length;
if (auth_info->attrs.pin.flags & SC_PKCS15_PIN_FLAG_NEEDS_PADDING)
data.flags |= SC_PIN_CMD_NEED_PADDING;
switch (auth_info->attrs.pin.type) {
case SC_PKCS15_PIN_TYPE_BCD:
data.pin1.encoding = SC_PIN_ENCODING_BCD;
data.pin2.encoding = SC_PIN_ENCODING_BCD;
break;
case SC_PKCS15_PIN_TYPE_ASCII_NUMERIC:
data.pin1.encoding = SC_PIN_ENCODING_ASCII;
data.pin2.encoding = SC_PIN_ENCODING_ASCII;
break;
}
if((!oldpin || !newpin)
&& p15card->card->reader->capabilities & SC_READER_CAP_PIN_PAD) {
data.flags |= SC_PIN_CMD_USE_PINPAD;
if (auth_info->attrs.pin.flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
data.pin1.prompt = "Please enter SO PIN";
data.pin2.prompt = "Please enter new SO PIN";
}
else {
data.pin1.prompt = "Please enter PIN";
data.pin2.prompt = "Please enter new PIN";
}
}
r = sc_pin_cmd(card, &data, &auth_info->tries_left);
if (r == SC_SUCCESS)
sc_pkcs15_pincache_add(p15card, pin_obj, newpin, newpinlen);
out:
sc_unlock(card);
return r;
}
