int vicc_present(struct vicc_ctx *ctx) {
unsigned char *atr = NULL;
if (!ctx)
return 0;
if (ctx->client_sock < 0) {
if (ctx->server_sock) {
/* server mode, try to accept a client */
ctx->client_sock = waitforclient(ctx->server_sock, 0, 0);
if (!ctx->client_sock) {
ctx->client_sock = -1;
}
} else {
/* client mode, try to connect (again) */
ctx->client_sock = connectsock(ctx->hostname, ctx->port);
}
}
if (ctx->client_sock < 0)
/* not connected */
return 0;
/* get the atr to check if the card is still alive */
if (vicc_getatr(ctx, &atr) <= 0)
return 0;
free(atr);
return 1;
}
int vicc_present(struct vicc_ctx *ctx) {
unsigned char *atr = NULL;
/* get the atr to check if the card is still alive */
if (!vicc_connect(ctx, 0, 0) || vicc_getatr(ctx, &atr) <= 0)
return 0;
free(atr);
return 1;
}
RESPONSECODE
IFDHGetCapabilities (DWORD Lun, DWORD Tag, PDWORD Length, PUCHAR Value)
{
unsigned char *atr = NULL;
ssize_t size;
if (!Length || !Value)
return IFD_COMMUNICATION_ERROR;
switch (Tag) {
case TAG_IFD_ATR:
size = vicc_getatr(&atr);
if (size < 0) {
Log1(PCSC_LOG_ERROR, "could not get ATR");
return IFD_COMMUNICATION_ERROR;
}
if (size == 0) {
Log1(PCSC_LOG_ERROR, "Virtual ICC removed");
return IFD_ICC_NOT_PRESENT;
}
Log2(PCSC_LOG_DEBUG, "Got ATR (%d bytes)", size);
if (*Length < size) {
free(atr);
Log1(PCSC_LOG_ERROR, "Not enough memory for ATR");
return IFD_COMMUNICATION_ERROR;
}
memcpy(Value, atr, size);
*Length = size;
free(atr);
break;
case TAG_IFD_SLOTS_NUMBER:
if (*Length < 1) {
Log1(PCSC_LOG_ERROR, "Invalid input data");
return IFD_COMMUNICATION_ERROR;
}
*Value = 1;
*Length = 1;
break;
default:
Log2(PCSC_LOG_DEBUG, "unknown tag %d", (int)Tag);
return IFD_ERROR_TAG;
}
return IFD_SUCCESS;
}
RESPONSECODE
IFDHGetCapabilities (DWORD Lun, DWORD Tag, PDWORD Length, PUCHAR Value)
{
unsigned char *atr = NULL;
ssize_t size;
size_t slot = Lun & 0xffff;
RESPONSECODE r = IFD_COMMUNICATION_ERROR;
if (slot >= vicc_max_slots)
goto err;
if (!Length || !Value)
goto err;
switch (Tag) {
case TAG_IFD_ATR:
size = vicc_getatr(ctx[slot], &atr);
if (size < 0) {
Log1(PCSC_LOG_ERROR, "could not get ATR");
goto err;
}
if (size == 0) {
Log1(PCSC_LOG_ERROR, "Virtual ICC removed");
goto err;
}
Log2(PCSC_LOG_DEBUG, "Got ATR (%d bytes)", size);
#ifndef __APPLE__
if (*Length < size) {
#else
/* Apple's new SmartCardServices on OS X 10.10 doesn't set the
* length correctly so we only check for the maximum */
if (MAX_ATR_SIZE < size) {
#endif
free(atr);
Log1(PCSC_LOG_ERROR, "Not enough memory for ATR");
goto err;
}
memcpy(Value, atr, size);
*Length = size;
free(atr);
break;
case TAG_IFD_SLOTS_NUMBER:
if (*Length < 1) {
Log1(PCSC_LOG_ERROR, "Invalid input data");
goto err;
}
*Value = vicc_max_slots;
*Length = 1;
break;
case TAG_IFD_THREAD_SAFE:
if (*Length < 1) {
Log1(PCSC_LOG_ERROR, "Invalid input data");
goto err;
}
/* We are not thread safe due to
* the global hostname and ctx */
*Value = 0;
*Length = 1;
break;
case TAG_IFD_SLOT_THREAD_SAFE:
if (*Length < 1) {
Log1(PCSC_LOG_ERROR, "Invalid input data");
goto err;
}
/* driver supports access to multiple slots of the same reader at
* the same time */
*Value = 1;
*Length = 1;
break;
default:
Log2(PCSC_LOG_DEBUG, "unknown tag %d", (int)Tag);
r = IFD_ERROR_TAG;
goto err;
}
r = IFD_SUCCESS;
err:
if (r != IFD_SUCCESS && Length)
*Length = 0;
return r;
}
RESPONSECODE
IFDHSetCapabilities (DWORD Lun, DWORD Tag, DWORD Length, PUCHAR Value)
{
Log9(PCSC_LOG_DEBUG, "IFDHSetCapabilities not supported (Lun=%u Tag=%u Length=%u Value=%p)%s%s%s%s",
(unsigned int) Lun, (unsigned int) Tag, (unsigned int) Length,
(unsigned char *) Value, "", "", "", "");
return IFD_NOT_SUPPORTED;
}
RESPONSECODE
IFDHGetCapabilities (DWORD Lun, DWORD Tag, PDWORD Length, PUCHAR Value)
{
unsigned char *atr = NULL;
ssize_t size;
size_t slot = Lun & 0xffff;
if (slot >= vicc_max_slots) {
return IFD_COMMUNICATION_ERROR;
}
if (!Length || !Value)
return IFD_COMMUNICATION_ERROR;
switch (Tag) {
case TAG_IFD_ATR:
size = vicc_getatr(ctx[slot], &atr);
if (size < 0) {
Log1(PCSC_LOG_ERROR, "could not get ATR");
return IFD_COMMUNICATION_ERROR;
}
if (size == 0) {
Log1(PCSC_LOG_ERROR, "Virtual ICC removed");
return IFD_ICC_NOT_PRESENT;
}
Log2(PCSC_LOG_DEBUG, "Got ATR (%d bytes)", size);
if (*Length < size) {
free(atr);
Log1(PCSC_LOG_ERROR, "Not enough memory for ATR");
return IFD_COMMUNICATION_ERROR;
}
memcpy(Value, atr, size);
*Length = size;
free(atr);
break;
case TAG_IFD_SLOTS_NUMBER:
if (*Length < 1) {
Log1(PCSC_LOG_ERROR, "Invalid input data");
return IFD_COMMUNICATION_ERROR;
}
*Value = vicc_max_slots;
*Length = 1;
break;
case TAG_IFD_SLOT_THREAD_SAFE:
/* driver supports access to multiple slots of the same reader at
* the same time */
*Value = 1;
*Length = 1;
break;
default:
Log2(PCSC_LOG_DEBUG, "unknown tag %d", (int)Tag);
return IFD_ERROR_TAG;
}
return IFD_SUCCESS;
}
