Imported Upstream version 0.3.9upstream/0.3.9upstream

1 files changed, 245 insertions, 0 deletions

diff --git a/src/tspi/tsp_nv.c b/src/tspi/tsp_nv.c
new file mode 100644
index 0000000..511a6c9
--- /dev/null
+++ b/src/tspi/tsp_nv.c
@@ -0,0 +1,245 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2007
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.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_NV_DefineOrReleaseSpace(TSS_HCONTEXT tspContext,	/* in */
+				  UINT32 cPubInfoSize,	/* in */
+				  BYTE* pPubInfo,		/* in */
+				  TCPA_ENCAUTH encAuth,	/* in */
+				  TPM_AUTH* pAuth)		/* in, out */
+{
+	TSS_RESULT result;
+	UINT32 dataLen;
+	UINT64 offset;
+	TCS_HANDLE handlesLen = 0;
+	BYTE *data;
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	dataLen = sizeof(TCPA_ENCAUTH) + cPubInfoSize;
+	if ((data = malloc(dataLen)) == NULL) {
+		LogError("malloc of %u bytes failed", dataLen);
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	offset = 0;
+	Trspi_LoadBlob(&offset, cPubInfoSize, data, pPubInfo);
+	Trspi_LoadBlob(&offset, TPM_SHA1_160_HASH_LEN, data, encAuth.authdata);
+
+	result = obj_context_transport_execute(tspContext, TPM_ORD_NV_DefineSpace, dataLen, data,
+					       NULL, &handlesLen, NULL, pAuth, NULL, NULL, NULL);
+	free(data);
+
+	return result;
+}
+
+TSS_RESULT
+Transport_NV_WriteValue(TSS_HCONTEXT tspContext,	/* in */
+			TSS_NV_INDEX hNVStore,	/* in */
+			UINT32 offset,		/* in */
+			UINT32 ulDataLength,		/* in */
+			BYTE* rgbDataToWrite,	/* in */
+			TPM_AUTH* privAuth)		/* in, out */
+{
+	TSS_RESULT result;
+	UINT32 dataLen;
+	UINT64 offset64;
+	TCS_HANDLE handlesLen = 0;
+	BYTE *data;
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	dataLen = sizeof(TSS_NV_INDEX) + (2 * sizeof(UINT32)) + ulDataLength;
+	if ((data = malloc(dataLen)) == NULL) {
+		LogError("malloc of %u bytes failed", dataLen);
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	offset64 = 0;
+	Trspi_LoadBlob_UINT32(&offset64, hNVStore, data);
+	Trspi_LoadBlob_UINT32(&offset64, offset, data);
+	Trspi_LoadBlob_UINT32(&offset64, ulDataLength, data);
+	Trspi_LoadBlob(&offset64, ulDataLength, data, rgbDataToWrite);
+
+	result = obj_context_transport_execute(tspContext, TPM_ORD_NV_WriteValue, dataLen, data,
+					       NULL, &handlesLen, NULL, privAuth, NULL, NULL, NULL);
+	free(data);
+
+	return result;
+}
+
+TSS_RESULT
+Transport_NV_WriteValueAuth(TSS_HCONTEXT tspContext,	/* in */
+			    TSS_NV_INDEX hNVStore,		/* in */
+			    UINT32 offset,			/* in */
+			    UINT32 ulDataLength,		/* in */
+			    BYTE* rgbDataToWrite,		/* in */
+			    TPM_AUTH* NVAuth)		/* in, out */
+{
+	TSS_RESULT result;
+	UINT32 dataLen;
+	UINT64 offset64;
+	TCS_HANDLE handlesLen = 0;
+	BYTE *data;
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	dataLen = sizeof(TSS_NV_INDEX) + (2 * sizeof(UINT32)) + ulDataLength;
+	if ((data = malloc(dataLen)) == NULL) {
+		LogError("malloc of %u bytes failed", dataLen);
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	offset64 = 0;
+	Trspi_LoadBlob_UINT32(&offset64, hNVStore, data);
+	Trspi_LoadBlob_UINT32(&offset64, offset, data);
+	Trspi_LoadBlob_UINT32(&offset64, ulDataLength, data);
+	Trspi_LoadBlob(&offset64, ulDataLength, data, rgbDataToWrite);
+
+	result = obj_context_transport_execute(tspContext, TPM_ORD_NV_WriteValueAuth, dataLen, data,
+					       NULL, &handlesLen, NULL, NVAuth, NULL, NULL, NULL);
+	free(data);
+
+	return result;
+}
+
+
+TSS_RESULT
+Transport_NV_ReadValue(TSS_HCONTEXT tspContext,	/* in */
+		       TSS_NV_INDEX hNVStore,	/* in */
+		       UINT32 offset,		/* in */
+		       UINT32* pulDataLength,	/* in, out */
+		       TPM_AUTH* privAuth,		/* in, out */
+		       BYTE** rgbDataRead)		/* out */
+{
+	TSS_RESULT result;
+	UINT32 dataLen, decLen;
+	UINT64 offset64;
+	TCS_HANDLE handlesLen = 0;
+	BYTE *data, *dec;
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	dataLen = sizeof(TSS_NV_INDEX) + sizeof(UINT32) + *pulDataLength;
+	if ((data = malloc(dataLen)) == NULL) {
+		LogError("malloc of %u bytes failed", dataLen);
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	offset64 = 0;
+	Trspi_LoadBlob_UINT32(&offset64, hNVStore, data);
+	Trspi_LoadBlob_UINT32(&offset64, offset, data);
+	Trspi_LoadBlob_UINT32(&offset64, *pulDataLength, data);
+
+	if ((result = obj_context_transport_execute(tspContext, TPM_ORD_NV_ReadValue, dataLen, data,
+						    NULL, &handlesLen, NULL, privAuth, NULL,
+						    &decLen, &dec))) {
+		free(data);
+		return result;
+	}
+	free(data);
+
+	offset64 = 0;
+	Trspi_UnloadBlob_UINT32(&offset64, pulDataLength, dec);
+
+	if ((*rgbDataRead = malloc(*pulDataLength)) == NULL) {
+		free(dec);
+		LogError("malloc of %u bytes failed", *pulDataLength);
+		*pulDataLength = 0;
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+	Trspi_UnloadBlob(&offset64, *pulDataLength, dec, *rgbDataRead);
+	free(dec);
+
+	return result;
+}
+
+
+TSS_RESULT
+Transport_NV_ReadValueAuth(TSS_HCONTEXT tspContext,	/* in */
+			   TSS_NV_INDEX hNVStore,    /* in */
+			   UINT32 offset,		/* in */
+			   UINT32* pulDataLength,    /* in, out */
+			   TPM_AUTH* NVAuth,		/* in, out */
+			   BYTE** rgbDataRead)       /* out */
+{
+	TSS_RESULT result;
+	UINT32 dataLen, decLen;
+	UINT64 offset64;
+	TCS_HANDLE handlesLen = 0;
+	BYTE *data, *dec;
+
+	if ((result = obj_context_transport_init(tspContext)))
+		return result;
+
+	LogDebugFn("Executing in a transport session");
+
+	dataLen = sizeof(TSS_NV_INDEX) + sizeof(UINT32) + *pulDataLength;
+	if ((data = malloc(dataLen)) == NULL) {
+		LogError("malloc of %u bytes failed", dataLen);
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+
+	offset64 = 0;
+	Trspi_LoadBlob_UINT32(&offset64, hNVStore, data);
+	Trspi_LoadBlob_UINT32(&offset64, offset, data);
+	Trspi_LoadBlob_UINT32(&offset64, *pulDataLength, data);
+
+	if ((result = obj_context_transport_execute(tspContext, TPM_ORD_NV_ReadValueAuth, dataLen,
+						    data, NULL, &handlesLen, NULL, NVAuth, NULL,
+						    &decLen, &dec))) {
+		free(data);
+		return result;
+	}
+	free(data);
+
+	offset64 = 0;
+	Trspi_UnloadBlob_UINT32(&offset64, pulDataLength, dec);
+
+	if ((*rgbDataRead = malloc(*pulDataLength)) == NULL) {
+		free(dec);
+		LogError("malloc of %u bytes failed", *pulDataLength);
+		*pulDataLength = 0;
+		return TSPERR(TSS_E_OUTOFMEMORY);
+	}
+	Trspi_UnloadBlob(&offset64, *pulDataLength, dec, *rgbDataRead);
+	free(dec);
+
+	return result;
+}
+
+#endif