src/tpm2/RuntimeCommands_fp.h - master - githubmirror/libtpms

src/tpm2/RuntimeCommands_fp.h

67 строк2 KB

Stefan Berger

tpm2: Only write the necessary number of bytes of command bitmaps

09 мар 2026, 22:07

09 мар 2026, 22:075098f2c

// SPDX-License-Identifier: BSD-2-Clause

//  (c) Copyright IBM Corporation, 2022

#ifndef RUNTIME_COMMANDS_H
#define RUNTIME_COMMANDS_H

#include "Tpm.h"

#define CC_OFFSET    TPM_CC_FIRST

#define CcToIdx(COC) (size_t)(COC - CC_OFFSET)
#define IdxToCc(IDX) (TPM_CC)(IDX + CC_OFFSET)

#define NUM_ENTRIES_COMMAND_PROPERTIES  (CcToIdx(TPM_CC_LAST) + 1)

struct RuntimeCommands {
    unsigned char enabledCommandsByIdx[BITS_TO_BYTES(TPM_CC_LAST - TPM_CC_FIRST + 1)];
    char *commandsProfile;
};

void
RuntimeCommandsInit(struct RuntimeCommands *RuntimeCommands);

void
RuntimeCommandsFree(struct RuntimeCommands *RuntimeCommands);

TPM_RC
RuntimeCommandsSetProfile(struct RuntimeCommands *RuntimeCommands,
			  char                   **newProfile,
			  unsigned int           *stateFormatLevel,
			  unsigned int		 maxStateFormatLevel,
			  bool                   filterByMaxSFL);

TPM_RC
RuntimeCommandsSwitchProfile(struct RuntimeCommands   *RuntimeCommands,
			     char                     *newProfile,
			     unsigned int              maxStateFormatLevel,
			     char                    **oldProfile
			     );

BOOL
RuntimeCommandsCheckEnabled(struct RuntimeCommands *RuntimeCommands,
			    TPM_CC		    cc      // IN: the command code to check
			    );

size_t
RuntimeCommandsGetArraySize(struct RuntimeCommands *RuntimeCommands);

LIB_EXPORT UINT32
RuntimeCommandsCountEnabled(struct RuntimeCommands *RuntimeCommands);

enum RuntimeCommandType {
    RUNTIME_CMD_IMPLEMENTED,
    RUNTIME_CMD_ENABLED,
    RUNTIME_CMD_DISABLED,
    RUNTIME_CMD_CAN_BE_DISABLED,

    RUNTIME_CMD_NUM, /* keep last */
};

char *
RuntimeCommandsPrint(struct RuntimeCommands    *RuntimeCommands,
		     enum RuntimeCommandType   rct,
		     const char                *quote);

#endif /* RUNTIME_COMMANDS_H */