1 files changed, 57 insertions, 0 deletions
diff --git a/src/tspi/tsp_counter.c b/src/tspi/tsp_counter.c
new file mode 100644
index 0000000..a8d4744
--- /dev/null
+++ b/src/tspi/tsp_counter.c
@@ -0,0 +1,57 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004-2007
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "trousers/tss.h"
+#include "trousers/trousers.h"
+#include "trousers_types.h"
+#include "spi_utils.h"
+#include "capabilities.h"
+#include "tsplog.h"
+#include "obj.h"
+
+
+#ifdef TSS_BUILD_TRANSPORT
+TSS_RESULT
+Transport_ReadCounter(TSS_HCONTEXT       tspContext,          /* in */
+		      TSS_COUNTER_ID     idCounter,           /* in */
+		      TPM_COUNTER_VALUE* counterValue)        /* out */
+{
+	TSS_RESULT result;
+	UINT32 decLen = 0;
+	BYTE *dec = NULL;
+	UINT64 offset;
+	TCS_HANDLE handlesLen = 0;
+	BYTE data[sizeof(UINT32)];
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	offset = 0;
+	Trspi_LoadBlob_UINT32(&offset, idCounter, data);
+
+	if ((result = obj_context_transport_execute(tspContext, TPM_ORD_ReadCounter, sizeof(data),
+						    data, NULL, &handlesLen, NULL, NULL, NULL,
+						    &decLen, &dec)))
+		return result;
+
+	offset = 0;
+	Trspi_UnloadBlob_COUNTER_VALUE(&offset, dec, counterValue);
+
+	free(dec);
+
+	return TSS_SUCCESS;
+}
+#endif