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170 lines
4.4 KiB
170 lines
4.4 KiB
/* SPDX-License-Identifier: BSD-2-Clause */
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/*******************************************************************************
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* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
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* All rights reserved.
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*******************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "tss2_fapi.h"
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#include "test-fapi.h"
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#define LOGMODULE test
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#include "util/log.h"
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#include "util/aux_util.h"
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#define PASSWORD NULL
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#define SIGN_TEMPLATE "sign,noDa"
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static bool cb_called = false;
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static TSS2_RC
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branch_callback(
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FAPI_CONTEXT *context,
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char const *description,
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char const **branchNames,
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size_t numBranches,
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size_t *selectedBranch,
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void *userData)
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{
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(void) description;
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(void) userData;
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if (numBranches != 2) {
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LOG_ERROR("Wrong number of branches");
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return TSS2_FAPI_RC_GENERAL_FAILURE;
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}
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if (!strcmp(branchNames[0], "branch0"))
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*selectedBranch = 0;
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else if (!strcmp(branchNames[1], "branch0"))
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*selectedBranch = 1;
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else {
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LOG_ERROR("BranchName not found. Got \"%s\" and \"%s\"",
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branchNames[0], branchNames[1]);
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return TSS2_FAPI_RC_GENERAL_FAILURE;
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}
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cb_called = true;
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return TSS2_RC_SUCCESS;
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}
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/** Test the FAPI for PolicyOr using signing.
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*
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* Tested FAPI commands:
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* - Fapi_Provision()
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* - Fapi_Import()
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* - Fapi_CreateKey()
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* - Fapi_SetBranchCB()
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* - Fapi_Sign()
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* - Fapi_Delete()
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*
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* Tested Policies:
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* - PolicyOr
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* - PolicyPcr
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*
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* @param[in,out] context The FAPI_CONTEXT.
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* @retval EXIT_FAILURE
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* @retval EXIT_SUCCESS
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*/
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int
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test_fapi_key_create_policy_or_sign(FAPI_CONTEXT *context)
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{
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TSS2_RC r;
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char *policy_name = "/policy/pol_pcr16_0_or";
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char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_pcr16_0_or.json";
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FILE *stream = NULL;
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char *json_policy = NULL;
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uint8_t *signature = NULL;
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char *publicKey = NULL;
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long policy_size;
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r = Fapi_Provision(context, NULL, NULL, NULL);
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goto_if_error(r, "Error Fapi_Provision", error);
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r = pcr_reset(context, 16);
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goto_if_error(r, "Error pcr_reset", error);
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stream = fopen(policy_file, "r");
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if (!stream) {
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LOG_ERROR("File %s does not exist", policy_file);
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goto error;
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}
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fseek(stream, 0L, SEEK_END);
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policy_size = ftell(stream);
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fclose(stream);
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json_policy = malloc(policy_size + 1);
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goto_if_null(json_policy,
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"Could not allocate memory for the JSON policy",
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TSS2_FAPI_RC_MEMORY, error);
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stream = fopen(policy_file, "r");
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ssize_t ret = read(fileno(stream), json_policy, policy_size);
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if (ret != policy_size) {
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LOG_ERROR("IO error %s.", policy_file);
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goto error;
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}
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json_policy[policy_size] = '\0';
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r = Fapi_Import(context, policy_name, json_policy);
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goto_if_error(r, "Error Fapi_Import", error);
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r = Fapi_CreateKey(context, "/HS/SRK/mySignKey", SIGN_TEMPLATE,
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policy_name, PASSWORD);
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goto_if_error(r, "Error Fapi_CreateKey", error);
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size_t signatureSize = 0;
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TPM2B_DIGEST digest = {
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.size = 20,
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.buffer = {
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0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0,
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0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f
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}
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};
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r = Fapi_SetBranchCB(context, branch_callback, NULL);
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goto_if_error(r, "Error SetPolicybranchselectioncallback", error);
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r = Fapi_Sign(context, "/HS/SRK/mySignKey", NULL,
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&digest.buffer[0], digest.size, &signature, &signatureSize,
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&publicKey, NULL);
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goto_if_error(r, "Error Fapi_Sign", error);
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r = Fapi_Delete(context, "/HS/SRK");
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goto_if_error(r, "Error Fapi_Delete", error);
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SAFE_FREE(json_policy);
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SAFE_FREE(signature);
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SAFE_FREE(publicKey);
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if (!cb_called) {
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LOG_ERROR("Branch selection callback was not called.");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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error:
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SAFE_FREE(json_policy);
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SAFE_FREE(signature);
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SAFE_FREE(publicKey);
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return EXIT_FAILURE;
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}
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int
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test_invoke_fapi(FAPI_CONTEXT *fapi_context)
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{
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return test_fapi_key_create_policy_or_sign(fapi_context);
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}
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