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SCARD_READERSTATE reader_states[(sizeof(cackey_slots) / sizeof(cackey_slots[0])) + 1];
SCARDCONTEXT pcsc_handle;
LONG scard_getstatchng_ret;
LONG scard_est_context_ret;
struct cackey_slot *cackey_slot;
unsigned int currslot, reader_state_slot;
int pcsc_connect_ret;
CACKEY_DEBUG_PRINTF("Called.");
if (pReserved != NULL) {
CACKEY_DEBUG_PRINTF("Error. pReserved is not NULL.");
return(CKR_ARGUMENTS_BAD);
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SCARD_READERSTATE reader_states[(sizeof(cackey_slots) / sizeof(cackey_slots[0])) + 1];
SCARDCONTEXT pcsc_handle;
LONG scard_getstatchng_ret;
LONG scard_est_context_ret;
struct cackey_slot *cackey_slot;
unsigned int currslot, reader_state_slot;
int pcsc_connect_ret;
int slot_changed;
CACKEY_DEBUG_PRINTF("Called.");
if (pReserved != NULL) {
CACKEY_DEBUG_PRINTF("Error. pReserved is not NULL.");
return(CKR_ARGUMENTS_BAD);
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pcsc_connect_ret = cackey_pcsc_connect();
if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Connection to PC/SC failed, returning in failure");
return(CKR_GENERAL_ERROR);
}
if ((flags & CKF_DONT_BLOCK) == CKF_DONT_BLOCK) {
/* XXX TODO */
CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because we were asked to not block", CKR_GENERAL_ERROR);
return(CKR_GENERAL_ERROR);
} else {
for (reader_state_slot = currslot = 0; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
if (cackey_slots[currslot].internal) {
continue;
}
if (cackey_slots[currslot].active == 0) {
continue;
}
reader_states[reader_state_slot].szReader = cackey_slots[currslot].pcsc_reader;
reader_states[reader_state_slot].pvUserData = &cackey_slots[currslot];
reader_states[reader_state_slot].dwCurrentState = cackey_slots[currslot].pcsc_state;
reader_state_slot++;
}
reader_states[reader_state_slot].szReader = "\\\\?PnP?\\Notification";
reader_states[reader_state_slot].pvUserData = NULL;
reader_states[reader_state_slot].dwCurrentState = SCARD_STATE_UNAWARE;
reader_state_slot++;
scard_est_context_ret = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &pcsc_handle);
if (scard_est_context_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardEstablishContext failed: %lx", CKR_GENERAL_ERROR, scard_est_context_ret);
return(CKR_GENERAL_ERROR);
}
scard_getstatchng_ret = SCardGetStatusChange(pcsc_handle, INFINITE, reader_states, reader_state_slot);
SCardReleaseContext(pcsc_handle);
if (scard_getstatchng_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardGetStatusChange failed: %lx", CKR_GENERAL_ERROR, scard_getstatchng_ret);
return(CKR_GENERAL_ERROR);
}
for (currslot = 0; currslot < reader_state_slot; currslot++) {
CACKEY_DEBUG_PRINTF("[slot = %u] CurrentState = %lx, EventState = %lx",
currslot,
reader_states[currslot].dwCurrentState & 0xffff,
reader_states[currslot].dwEventState & 0xffff
);
if (reader_states[currslot].dwCurrentState != reader_states[currslot].dwEventState) {
cackey_slot = (struct cackey_slot *) reader_states[currslot].pvUserData;
if (cackey_slot == NULL) {
/* XXX: TODO: Someone plugged in a new slot */
continue;
}
CACKEY_DEBUG_PRINTF("Returning slot changed: %u", (unsigned int) cackey_slot->id);
cackey_slot->pcsc_state = reader_states[currslot].dwEventState;
*pSlotID = (CK_SLOT_ID) cackey_slot->id;
CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);
return(CKR_OK);
}
}
}
CACKEY_DEBUG_PRINTF("Returning CKR_FUNCTION_NOT_SUPPORTED (%i)", CKR_FUNCTION_NOT_SUPPORTED);
return(CKR_FUNCTION_NOT_SUPPORTED);
}
CK_DEFINE_FUNCTION(CK_RV, C_GetMechanismList)(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMechanismList, CK_ULONG_PTR pulCount) {
CACKEY_DEBUG_PRINTF("Called.");
if (!cackey_initialized) {
CACKEY_DEBUG_PRINTF("Error. Not initialized.");
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pcsc_connect_ret = cackey_pcsc_connect();
if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Connection to PC/SC failed, returning in failure");
return(CKR_GENERAL_ERROR);
}
for (reader_state_slot = currslot = 0; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
if (cackey_slots[currslot].internal) {
continue;
}
if (cackey_slots[currslot].active == 0) {
continue;
}
reader_states[reader_state_slot].szReader = cackey_slots[currslot].pcsc_reader;
reader_states[reader_state_slot].pvUserData = &cackey_slots[currslot];
if ((flags & CKF_DONT_BLOCK) == CKF_DONT_BLOCK) {
reader_states[reader_state_slot].dwCurrentState = SCARD_STATE_UNAWARE;
} else {
reader_states[reader_state_slot].dwCurrentState = cackey_slots[currslot].pcsc_state;
}
reader_state_slot++;
}
reader_states[reader_state_slot].szReader = "\\\\?PnP?\\Notification";
reader_states[reader_state_slot].pvUserData = NULL;
reader_states[reader_state_slot].dwCurrentState = SCARD_STATE_UNAWARE;
reader_state_slot++;
scard_est_context_ret = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &pcsc_handle);
if (scard_est_context_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardEstablishContext failed: %lx", CKR_GENERAL_ERROR, scard_est_context_ret);
return(CKR_GENERAL_ERROR);
}
scard_getstatchng_ret = SCardGetStatusChange(pcsc_handle, INFINITE, reader_states, reader_state_slot);
SCardReleaseContext(pcsc_handle);
if (scard_getstatchng_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardGetStatusChange failed: %lx", CKR_GENERAL_ERROR, scard_getstatchng_ret);
return(CKR_GENERAL_ERROR);
}
for (currslot = 0; currslot < reader_state_slot; currslot++) {
CACKEY_DEBUG_PRINTF("[slot = %u] CurrentState = %lx, EventState = %lx",
currslot,
reader_states[currslot].dwCurrentState & 0xffff,
reader_states[currslot].dwEventState & 0xffff
);
cackey_slot = (struct cackey_slot *) reader_states[currslot].pvUserData;
if (cackey_slot == NULL) {
/* XXX: TODO: Someone plugged in a new slot */
continue;
}
slot_changed = 0;
if ((flags & CKF_DONT_BLOCK) == CKF_DONT_BLOCK) {
if (cackey_slot->pcsc_state != reader_states[currslot].dwEventState) {
slot_changed = 1;
}
} else {
if (reader_states[currslot].dwCurrentState != reader_states[currslot].dwEventState) {
slot_changed = 1;
}
}
if (slot_changed == 0) {
continue;
}
CACKEY_DEBUG_PRINTF("Returning slot changed: %u", (unsigned int) cackey_slot->id);
cackey_slot->pcsc_state = reader_states[currslot].dwEventState;
*pSlotID = (CK_SLOT_ID) cackey_slot->id;
CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);
return(CKR_OK);
}
if ((flags & CKF_DONT_BLOCK) != CKF_DONT_BLOCK) {
CACKEY_DEBUG_PRINTF("Returning CKR_NO_EVENT (%i), but asked to block !? BUG ENCOUNTERED.", CKR_NO_EVENT);
} else {
CACKEY_DEBUG_PRINTF("Returning CKR_NO_EVENT (%i)", CKR_NO_EVENT);
}
return(CKR_NO_EVENT);
}
CK_DEFINE_FUNCTION(CK_RV, C_GetMechanismList)(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMechanismList, CK_ULONG_PTR pulCount) {
CACKEY_DEBUG_PRINTF("Called.");
if (!cackey_initialized) {
CACKEY_DEBUG_PRINTF("Error. Not initialized.");
|