Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 156 insertions, 0 deletions

diff --git a/include/iprt/tpm.h b/include/iprt/tpm.h
new file mode 100644
index 00000000..04cd475e
--- /dev/null
+++ b/include/iprt/tpm.h
@@ -0,0 +1,156 @@
+/** @file
+ * IPRT Trusted Platform Module API abstracting host specific APIs.
+ */
+
+/*
+ * Copyright (C) 2021-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_tpm_h
+#define IPRT_INCLUDED_tpm_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+#include <iprt/formats/tpm.h>
+
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_tpm  IPRT Trusted Platform Module API
+ * @ingroup grp_rt
+ *
+ * This API provides a uniform way to access a Trusted Platform Module across all
+ * supported hosts.
+ *
+ * @{
+ */
+
+
+/**
+ * TPM version.
+ */
+typedef enum RTTPMVERSION
+{
+    /** The usual invalid option. */
+    RTTPMVERSION_INVALID = 0,
+    /** TPM conforms to version 1.2 of the TCG specification. */
+    RTTPMVERSION_1_2,
+    /** TPM conforms to version 2.0 of the TCG specification. */
+    RTTPMVERSION_2_0,
+    /** TPM version couldn't be acquired. */
+    RTTPMVERSION_UNKNOWN,
+    /** Usual 32bit hack. */
+    RTTPMVERSION_32BIT_HACK = 0x7fffffff
+} RTTPMVERSION;
+/** Pointer to a TPM version. */
+typedef RTTPMVERSION *PRTTPMVERSION;
+
+/** TPM handle. */
+typedef struct RTTPMINT              *RTTPM;
+/** Pointer to a TPM handle. */
+typedef RTTPM                        *PRTTPM;
+/** NIL TPM handle value. */
+#define NIL_RTTPM                    ((RTTPM)0)
+
+
+/** Default TPM of the host. */
+#define RTTPM_ID_DEFAULT             UINT32_C(0xffffffff)
+
+/**
+ * Tries to open the given TPM returning a handle.
+ *
+ * @returns IPRT status code.
+ * @param   phTpm               Where to store the handle to the TPM module on success.
+ * @param   idTpm               The TPM to open, use RTTPM_ID_DEFAULT for the default TPM of the system.
+ */
+RTDECL(int) RTTpmOpen(PRTTPM phTpm, uint32_t idTpm);
+
+
+/**
+ * Closes the given TPM handle freeing all allocated resources.
+ *
+ * @returns IPRT status code.
+ * @param   hTpm                Handle of the TPM to close.
+ */
+RTDECL(int) RTTpmClose(RTTPM hTpm);
+
+
+/**
+ * Returns the version of the TPM for the given handle.
+ *
+ * @returns Version implemented by the TPM.
+ * @param   hTpm                Handle of the TPM.
+ */
+RTDECL(RTTPMVERSION) RTTpmGetVersion(RTTPM hTpm);
+
+
+/**
+ * Returns the maximum locality supported by the given TPM.
+ *
+ * @returns Maximum locality supported (0-4).
+ * @param   hTpm                Handle of the TPM.
+ */
+RTDECL(uint32_t) RTTpmGetLocalityMax(RTTPM hTpm);
+
+
+/**
+ * Cancels a currently executed request for the given TPM handle.
+ *
+ * @returns IPRT status code.
+ * @param   hTpm                Handle of the TPM.
+ */
+RTDECL(int) RTTpmReqCancel(RTTPM hTpm);
+
+
+/**
+ * Executes the given request on the given TPM handle.
+ *
+ * @returns IPRT status code.
+ * @param   hTpm                Handle of the TPM.
+ * @param   bLoc                The locality to use (only 0 might be supported on some hosts).
+ * @param   pvReq               The request data.
+ * @param   cbReq               Size of the request in bytes.
+ * @param   pvResp              Where to store the response data.
+ * @param   cbRespMax           Size of the response buffer.
+ * @param   pcbResp             Where to store the actual size of the response, optional.
+ */
+RTDECL(int) RTTpmReqExec(RTTPM hTpm, uint8_t bLoc, const void *pvReq, size_t cbReq,
+                         void *pvResp, size_t cbRespMax, size_t *pcbResp);
+
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_tpm_h */
+