| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (c) 2015 - 2018 Intel Corporation |
| * All rights reserved. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <inttypes.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #ifndef _WIN32 |
| #include <unistd.h> |
| #endif |
| |
| #include "tss2_tpm2_types.h" |
| #include "tss2_mu.h" |
| |
| #include "tcti-common.h" |
| #define LOGMODULE tcti |
| #include "util/log.h" |
| |
| TSS2_TCTI_COMMON_CONTEXT* |
| tcti_common_context_cast (TSS2_TCTI_CONTEXT *ctx) |
| { |
| return (TSS2_TCTI_COMMON_CONTEXT*)ctx; |
| } |
| |
| TSS2_TCTI_CONTEXT* |
| tcti_common_down_cast (TSS2_TCTI_COMMON_CONTEXT *ctx) |
| { |
| return (TSS2_TCTI_CONTEXT*)&ctx->v2; |
| } |
| |
| TSS2_RC |
| tcti_common_cancel_checks ( |
| TSS2_TCTI_COMMON_CONTEXT *tcti_common, |
| uint64_t magic) |
| { |
| if (tcti_common == NULL) { |
| return TSS2_TCTI_RC_BAD_REFERENCE; |
| } |
| |
| if (TSS2_TCTI_MAGIC(tcti_common) != magic) { |
| return TSS2_TCTI_RC_BAD_CONTEXT; |
| } |
| |
| if (tcti_common->state != TCTI_STATE_RECEIVE) { |
| return TSS2_TCTI_RC_BAD_SEQUENCE; |
| } |
| return TSS2_RC_SUCCESS; |
| } |
| |
| TSS2_RC |
| tcti_common_transmit_checks ( |
| TSS2_TCTI_COMMON_CONTEXT *tcti_common, |
| const uint8_t *command_buffer, |
| uint64_t magic) |
| { |
| if (command_buffer == NULL || tcti_common == NULL) { |
| return TSS2_TCTI_RC_BAD_REFERENCE; |
| } |
| |
| if (TSS2_TCTI_MAGIC(tcti_common) != magic) { |
| return TSS2_TCTI_RC_BAD_CONTEXT; |
| } |
| |
| if (tcti_common->state != TCTI_STATE_TRANSMIT) { |
| return TSS2_TCTI_RC_BAD_SEQUENCE; |
| } |
| |
| return TSS2_RC_SUCCESS; |
| } |
| |
| TSS2_RC |
| tcti_common_receive_checks ( |
| TSS2_TCTI_COMMON_CONTEXT *tcti_common, |
| size_t *response_size, |
| uint64_t magic) |
| { |
| if (response_size == NULL || tcti_common == NULL) { |
| return TSS2_TCTI_RC_BAD_REFERENCE; |
| } |
| |
| if (TSS2_TCTI_MAGIC(tcti_common) != magic) { |
| return TSS2_TCTI_RC_BAD_CONTEXT; |
| } |
| |
| if (tcti_common->state != TCTI_STATE_RECEIVE) { |
| return TSS2_TCTI_RC_BAD_SEQUENCE; |
| } |
| |
| return TSS2_RC_SUCCESS; |
| } |
| |
| TSS2_RC |
| tcti_common_set_locality_checks ( |
| TSS2_TCTI_COMMON_CONTEXT *tcti_common, |
| uint64_t magic) |
| { |
| if (tcti_common == NULL) { |
| return TSS2_TCTI_RC_BAD_REFERENCE; |
| } |
| |
| if (TSS2_TCTI_MAGIC(tcti_common) != magic) { |
| return TSS2_TCTI_RC_BAD_CONTEXT; |
| } |
| |
| if (tcti_common->state != TCTI_STATE_TRANSMIT) { |
| return TSS2_TCTI_RC_BAD_SEQUENCE; |
| } |
| return TSS2_RC_SUCCESS; |
| } |
| |
| TSS2_RC |
| tcti_make_sticky_not_implemented ( |
| TSS2_TCTI_CONTEXT *tctiContext, |
| TPM2_HANDLE *handle, |
| uint8_t sticky) |
| { |
| (void)(tctiContext); |
| (void)(handle); |
| (void)(sticky); |
| return TSS2_TCTI_RC_NOT_IMPLEMENTED; |
| } |
| |
| TSS2_RC |
| header_unmarshal ( |
| const uint8_t *buf, |
| tpm_header_t *header) |
| { |
| TSS2_RC rc; |
| size_t offset = 0; |
| |
| LOG_TRACE ("Parsing header from buffer: 0x%" PRIxPTR, (uintptr_t)buf); |
| rc = Tss2_MU_TPM2_ST_Unmarshal (buf, |
| TPM_HEADER_SIZE, |
| &offset, |
| &header->tag); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to unmarshal tag."); |
| return rc; |
| } |
| rc = Tss2_MU_UINT32_Unmarshal (buf, |
| TPM_HEADER_SIZE, |
| &offset, |
| &header->size); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to unmarshal command size."); |
| return rc; |
| } |
| rc = Tss2_MU_UINT32_Unmarshal (buf, |
| TPM_HEADER_SIZE, |
| &offset, |
| &header->code); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to unmarshal command code."); |
| } |
| return rc; |
| } |
| |
| TSS2_RC |
| header_marshal ( |
| const tpm_header_t *header, |
| uint8_t *buf) |
| { |
| TSS2_RC rc; |
| size_t offset = 0; |
| |
| LOG_TRACE ("Parsing header from buffer: 0x%" PRIxPTR, (uintptr_t)buf); |
| rc = Tss2_MU_TPM2_ST_Marshal (header->tag, |
| buf, |
| TPM_HEADER_SIZE, |
| &offset); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to marshal tag."); |
| return rc; |
| } |
| rc = Tss2_MU_UINT32_Marshal (header->size, |
| buf, |
| TPM_HEADER_SIZE, |
| &offset); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to marshal command size."); |
| return rc; |
| } |
| rc = Tss2_MU_UINT32_Marshal (header->code, |
| buf, |
| TPM_HEADER_SIZE, |
| &offset); |
| if (rc != TSS2_RC_SUCCESS) { |
| LOG_ERROR ("Failed to marshal command code."); |
| } |
| return rc; |
| } |