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https://github.com/stefanberger/libtpms
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100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
/********************************************************************************/
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/* */
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/* TPM 2 Commands Runtime Disablement */
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/* Written by Stefan Berger */
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/* IBM Thomas J. Watson Research Center */
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/* */
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/* Licenses and Notices */
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/* */
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/* (c) Copyright IBM Corporation, 2022 */
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/* */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following conditions are */
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/* met: */
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/* */
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/* Redistributions of source code must retain the above copyright notice, */
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/* this list of conditions and the following disclaimer. */
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/* */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in the */
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/* documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the names of the IBM Corporation nor the names of its */
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/* contributors may be used to endorse or promote products derived from */
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/* this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
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/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
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/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
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/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
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/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/********************************************************************************/
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#ifndef RUNTIME_COMMANDS_H
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#define RUNTIME_COMMANDS_H
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#include "Tpm.h"
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#define CC_OFFSET TPM_CC_FIRST
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#define CcToIdx(COC) (size_t)(COC - CC_OFFSET)
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#define IdxToCc(IDX) (TPM_CC)(IDX + CC_OFFSET)
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#define NUM_ENTRIES_COMMAND_PROPERTIES (CcToIdx(TPM_CC_LAST) + 1)
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struct RuntimeCommands {
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unsigned char enabledCommands[(IdxToCc(NUM_ENTRIES_COMMAND_PROPERTIES) + 7) / 8];
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char *commandsProfile;
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};
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void
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RuntimeCommandsInit(struct RuntimeCommands *RuntimeCommands);
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void
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RuntimeCommandsFree(struct RuntimeCommands *RuntimeCommands);
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TPM_RC
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RuntimeCommandsSetProfile(struct RuntimeCommands *RuntimeCommands,
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const char *newProfile,
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unsigned int *stateFormatLevel,
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unsigned int maxStateFormatLevel);
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TPM_RC
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RuntimeCommandsSwitchProfile(struct RuntimeCommands *RuntimeCommands,
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const char *newProfile,
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unsigned int maxStateFormatLevel,
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char **oldProfile
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);
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BOOL
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RuntimeCommandsCheckEnabled(struct RuntimeCommands *RuntimeCommands,
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TPM_CC cc // IN: the command code to check
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);
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LIB_EXPORT UINT32
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RuntimeCommandsCountEnabled(struct RuntimeCommands *RuntimeCommands);
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enum RuntimeCommandType {
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RUNTIME_CMD_IMPLEMENTED,
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RUNTIME_CMD_ENABLED,
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RUNTIME_CMD_DISABLED,
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RUNTIME_CMD_CAN_BE_DISABLED,
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RUNTIME_CMD_NUM, /* keep last */
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};
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char *
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RuntimeCommandsPrint(struct RuntimeCommands *RuntimeCommands,
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enum RuntimeCommandType rct);
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#endif /* RUNTIME_COMMANDS_H */
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