diff options
Diffstat (limited to 'src/tspi/tsp_dir.c')
-rw-r--r-- | src/tspi/tsp_dir.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/tspi/tsp_dir.c b/src/tspi/tsp_dir.c new file mode 100644 index 0000000..9e5bb94 --- /dev/null +++ b/src/tspi/tsp_dir.c @@ -0,0 +1,83 @@ + +/* + * Licensed Materials - Property of IBM + * + * trousers - An open source TCG Software Stack + * + * (C) Copyright International Business Machines Corp. 2007 + * + */ + + +#include <stdlib.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_DirWriteAuth(TSS_HCONTEXT tspContext, /* in */ + TCPA_DIRINDEX dirIndex, /* in */ + TCPA_DIRVALUE *newContents, /* in */ + TPM_AUTH * ownerAuth) /* in, out */ +{ + TSS_RESULT result; + UINT32 handlesLen = 0; + UINT64 offset; + BYTE data[sizeof(TCPA_DIRINDEX) + sizeof(TCPA_DIRVALUE)]; + + + if ((result = obj_context_transport_init(tspContext))) + return result; + + LogDebugFn("Executing in a transport session"); + + offset = 0; + Trspi_LoadBlob_UINT32(&offset, dirIndex, data); + Trspi_LoadBlob_DIGEST(&offset, data, (TPM_DIGEST *)newContents); + + result = obj_context_transport_execute(tspContext, TPM_ORD_DirWriteAuth, sizeof(data), data, + NULL, &handlesLen, NULL, ownerAuth, NULL, NULL, + NULL); + + return result; +} + +TSS_RESULT +Transport_DirRead(TSS_HCONTEXT tspContext, /* in */ + TCPA_DIRINDEX dirIndex, /* in */ + TCPA_DIRVALUE * dirValue) /* out */ +{ + TSS_RESULT result; + UINT32 handlesLen = 0, decLen; + UINT64 offset; + BYTE data[sizeof(TCPA_DIRINDEX)], *dec; + + + if ((result = obj_context_transport_init(tspContext))) + return result; + + LogDebugFn("Executing in a transport session"); + + offset = 0; + Trspi_LoadBlob_UINT32(&offset, dirIndex, data); + + if ((result = obj_context_transport_execute(tspContext, TPM_ORD_DirRead, sizeof(data), data, + NULL, &handlesLen, NULL, NULL, NULL, &decLen, + &dec))) + return result; + + offset = 0; + Trspi_UnloadBlob_DIGEST(&offset, dec, dirValue); + + return result; +} +#endif + |