| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /******************************************************************************* |
| * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG |
| * All rights reserved. |
| *******************************************************************************/ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdbool.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include "tss2_fapi.h" |
| |
| #include "test-fapi.h" |
| |
| #define LOGMODULE test |
| #include "util/log.h" |
| #include "util/aux_util.h" |
| |
| #define PASSWORD NULL |
| #define SIGN_TEMPLATE "sign,noDa" |
| |
| static bool cb_called = false; |
| |
| static TSS2_RC |
| branch_callback( |
| char const *objectPath, |
| char const *description, |
| char const **branchNames, |
| size_t numBranches, |
| size_t *selectedBranch, |
| void *userData) |
| { |
| (void) description; |
| (void) userData; |
| |
| if (strcmp(objectPath, "P_ECC/HS/SRK/mySignKey") != 0) { |
| return_error(TSS2_FAPI_RC_BAD_VALUE, "Unexpected path"); |
| } |
| |
| if (numBranches != 2) { |
| LOG_ERROR("Wrong number of branches"); |
| return TSS2_FAPI_RC_GENERAL_FAILURE; |
| } |
| |
| if (!strcmp(branchNames[0], "branch0")) |
| *selectedBranch = 0; |
| else if (!strcmp(branchNames[1], "branch0")) |
| *selectedBranch = 1; |
| else { |
| LOG_ERROR("BranchName not found. Got \"%s\" and \"%s\"", |
| branchNames[0], branchNames[1]); |
| return TSS2_FAPI_RC_GENERAL_FAILURE; |
| } |
| |
| cb_called = true; |
| return TSS2_RC_SUCCESS; |
| } |
| |
| |
| /** Test the FAPI for PolicyOr using signing. |
| * |
| * Tested FAPI commands: |
| * - Fapi_Provision() |
| * - Fapi_Import() |
| * - Fapi_CreateKey() |
| * - Fapi_SetBranchCB() |
| * - Fapi_Sign() |
| * - Fapi_Delete() |
| * |
| * Tested Policies: |
| * - PolicyOr |
| * - PolicyPcr |
| * |
| * @param[in,out] context The FAPI_CONTEXT. |
| * @retval EXIT_FAILURE |
| * @retval EXIT_SUCCESS |
| */ |
| int |
| test_fapi_key_create_policy_or_sign(FAPI_CONTEXT *context) |
| { |
| TSS2_RC r; |
| char *policy_name = "/policy/pol_pcr16_0_or"; |
| char *policy_file = TOP_SOURCEDIR "/test/data/fapi/policy/pol_pcr16_0_or.json"; |
| FILE *stream = NULL; |
| char *json_policy = NULL; |
| uint8_t *signature = NULL; |
| char *publicKey = NULL; |
| char *certificate = NULL; |
| long policy_size; |
| |
| r = Fapi_Provision(context, NULL, NULL, NULL); |
| goto_if_error(r, "Error Fapi_Provision", error); |
| |
| r = pcr_reset(context, 16); |
| goto_if_error(r, "Error pcr_reset", error); |
| |
| stream = fopen(policy_file, "r"); |
| if (!stream) { |
| LOG_ERROR("File %s does not exist", policy_file); |
| goto error; |
| } |
| fseek(stream, 0L, SEEK_END); |
| policy_size = ftell(stream); |
| fclose(stream); |
| json_policy = malloc(policy_size + 1); |
| goto_if_null(json_policy, |
| "Could not allocate memory for the JSON policy", |
| TSS2_FAPI_RC_MEMORY, error); |
| stream = fopen(policy_file, "r"); |
| ssize_t ret = read(fileno(stream), json_policy, policy_size); |
| if (ret != policy_size) { |
| LOG_ERROR("IO error %s.", policy_file); |
| goto error; |
| } |
| json_policy[policy_size] = '\0'; |
| |
| r = Fapi_Import(context, policy_name, json_policy); |
| goto_if_error(r, "Error Fapi_Import", error); |
| |
| r = Fapi_CreateKey(context, "/HS/SRK/mySignKey", SIGN_TEMPLATE, |
| policy_name, PASSWORD); |
| goto_if_error(r, "Error Fapi_CreateKey", error); |
| |
| r = Fapi_SetCertificate(context, "HS/SRK/mySignKey", "-----BEGIN "\ |
| "CERTIFICATE-----[...]-----END CERTIFICATE-----"); |
| goto_if_error(r, "Error Fapi_CreateKey", error); |
| |
| size_t signatureSize = 0; |
| |
| TPM2B_DIGEST digest = { |
| .size = 20, |
| .buffer = { |
| 0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0, |
| 0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f |
| } |
| }; |
| |
| r = Fapi_SetBranchCB(context, branch_callback, NULL); |
| goto_if_error(r, "Error SetPolicybranchselectioncallback", error); |
| |
| r = Fapi_SetCertificate(context, "HS/SRK/mySignKey", "-----BEGIN "\ |
| "CERTIFICATE-----[...]-----END CERTIFICATE-----"); |
| goto_if_error(r, "Error Fapi_CreateKey", error); |
| |
| r = Fapi_Sign(context, "/HS/SRK/mySignKey", NULL, |
| &digest.buffer[0], digest.size, &signature, &signatureSize, |
| &publicKey, &certificate); |
| goto_if_error(r, "Error Fapi_Sign", error); |
| ASSERT(signature != NULL); |
| ASSERT(publicKey != NULL); |
| ASSERT(certificate != NULL); |
| ASSERT(strstr(publicKey, "BEGIN PUBLIC KEY")); |
| ASSERT(strstr(certificate, "BEGIN CERTIFICATE")); |
| |
| r = Fapi_Delete(context, "/"); |
| goto_if_error(r, "Error Fapi_Delete", error); |
| |
| SAFE_FREE(json_policy); |
| SAFE_FREE(signature); |
| SAFE_FREE(publicKey); |
| SAFE_FREE(certificate); |
| |
| if (!cb_called) { |
| LOG_ERROR("Branch selection callback was not called."); |
| return EXIT_FAILURE; |
| } |
| |
| return EXIT_SUCCESS; |
| |
| error: |
| Fapi_Delete(context, "/"); |
| SAFE_FREE(json_policy); |
| SAFE_FREE(signature); |
| SAFE_FREE(publicKey); |
| SAFE_FREE(certificate); |
| return EXIT_FAILURE; |
| } |
| |
| int |
| test_invoke_fapi(FAPI_CONTEXT *fapi_context) |
| { |
| return test_fapi_key_create_policy_or_sign(fapi_context); |
| } |