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Olaf Hering
84a37d24a9
It is just a declaration, not a variable. ld: /home/abuild/rpmbuild/BUILD/xen-4.14.20200616T103126.3625b04991/non-dbg/stubdom/vtpmmgr/vtpmmgr.a(vtpm_cmd_handler.o):(.bss+0x0): multiple definition of `tpm_version'; /home/abuild/rpmbuild/BUILD/xen-4.14.20200616T103126.3625b04991/non-dbg/stubdom/vtpmmgr/vtpmmgr.a(vtpmmgr.o):(.bss+0x0): first defined here Signed-off-by: Olaf Hering <olaf@aepfle.de> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/*
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* Copyright (c) 2010-2012 United States Government, as represented by
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* the Secretary of Defense. All rights reserved.
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*
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* based off of the original tools/vtpm_manager code base which is:
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* Copyright (c) 2005, Intel Corp.
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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
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from 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
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VTPMMGR_H
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#define VTPMMGR_H
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#include <mini-os/tpmback.h>
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#include <polarssl/entropy.h>
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#include <polarssl/ctr_drbg.h>
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#include "uuid.h"
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#include "tcg.h"
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#include "vtpm_manager.h"
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#include "tpm2_types.h"
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#define TPM2_EXTRA_OPT "tpm2=1"
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#define RSA_KEY_SIZE 0x0800
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#define RSA_CIPHER_SIZE (RSA_KEY_SIZE / 8)
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enum {
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TPM1_HARDWARE = 1,
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TPM2_HARDWARE,
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};
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struct tpm_hardware_version {
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int hw_version;
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};
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extern struct tpm_hardware_version hardware_version;
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struct vtpm_globals {
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int tpm_fd;
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TPM_AUTH_SESSION oiap; // OIAP session for storageKey
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TPM_AUTHDATA owner_auth;
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TPM_AUTHDATA srk_auth;
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entropy_context entropy;
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ctr_drbg_context ctr_drbg;
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int hw_locality;
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/* TPM 2.0 */
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TPM_AuthArea pw_auth;
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TPM_AuthArea srk_auth_area;
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TPM2_HANDLE srk_handle;
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TPM2_HANDLE sk_handle;
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TPM2B_NAME sk_name;
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TPM2_RSA_KEY tpm2_storage_key;
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};
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struct tpm_opaque {
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uuid_t *uuid;
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struct mem_group *group;
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struct mem_vtpm *vtpm;
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domid_t domid;
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unsigned int handle;
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uint8_t kern_hash[20];
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};
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// --------------------------- Global Values --------------------------
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extern struct vtpm_globals vtpm_globals; // Key info and DMI states
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TPM_RESULT vtpmmgr_init(int argc, char** argv);
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void vtpmmgr_shutdown(void);
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TPM_RESULT vtpmmgr_handle_cmd(struct tpm_opaque *opq, tpmcmd_t* tpmcmd);
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inline TPM_RESULT vtpmmgr_rand(unsigned char* bytes, size_t num_bytes) {
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return ctr_drbg_random(&vtpm_globals.ctr_drbg, bytes, num_bytes) == 0 ? 0 : TPM_FAIL;
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}
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/* TPM 2.0 */
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TPM_RC tpm2_take_ownership(void);
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TPM_RC tpm2_pcr_read(int index, uint8_t *buf);
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TPM_RESULT vtpmmgr2_create(void);
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TPM_RESULT vtpmmgr2_init(int argc, char** argv);
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int parse_cmdline_hw(int argc, char** argv);
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int hw_is_tpm2(void);
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#endif
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