| /* SPDX-License-Identifier: BSD-2 */ |
| /*********************************************************************** |
| * Copyright (c) 2017-2018, Intel Corporation |
| * |
| * All rights reserved. |
| ***********************************************************************/ |
| #include <stdarg.h> |
| #include <stddef.h> |
| #include <string.h> |
| #include <setjmp.h> |
| #include <cmocka.h> |
| #include <stdio.h> |
| #include "tss2_mu.h" |
| #include "util/tss2_endian.h" |
| |
| /* |
| * Success case |
| */ |
| static void |
| tpmu_marshal_success(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| uint8_t buffer[sizeof(ha) + sizeof(sig)] = { 0 }; |
| size_t buffer_size = sizeof(buffer); |
| TPMS_SIGNATURE_ECDSA *ptr; |
| TPM2B_ECC_PARAMETER *ptr2; |
| TSS2_RC rc; |
| |
| memset(ha.sha512, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Marshal(&ha, TPM2_ALG_SHA512, buffer, buffer_size, NULL); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (memcmp(buffer, ha.sha512, TPM2_SHA512_DIGEST_SIZE), 0); |
| |
| sig.ecdsa.hash = TPM2_ALG_SHA1; |
| sig.ecdsa.signatureR.size = 4; |
| sig.ecdsa.signatureR.buffer[0] = 'a'; |
| sig.ecdsa.signatureR.buffer[1] = 'b'; |
| sig.ecdsa.signatureR.buffer[2] = 'c'; |
| sig.ecdsa.signatureR.buffer[3] = 'd'; |
| sig.ecdsa.signatureS.size = 4; |
| sig.ecdsa.signatureS.buffer[0] = 'e'; |
| sig.ecdsa.signatureS.buffer[1] = 'd'; |
| sig.ecdsa.signatureS.buffer[2] = 'f'; |
| sig.ecdsa.signatureS.buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Marshal(&sig, TPM2_ALG_ECDSA, buffer, buffer_size, NULL); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| ptr = (TPMS_SIGNATURE_ECDSA *) buffer; |
| assert_int_equal (ptr->hash, HOST_TO_BE_16(TPM2_ALG_SHA1)); |
| assert_int_equal (ptr->signatureR.size, HOST_TO_BE_16(4)); |
| assert_int_equal (ptr->signatureR.buffer[0], 'a'); |
| assert_int_equal (ptr->signatureR.buffer[1], 'b'); |
| assert_int_equal (ptr->signatureR.buffer[2], 'c'); |
| assert_int_equal (ptr->signatureR.buffer[3], 'd'); |
| ptr2 = (TPM2B_ECC_PARAMETER *) (buffer + 8); |
| assert_int_equal (ptr2->size, HOST_TO_BE_16(4)); |
| assert_int_equal (ptr2->buffer[0], 'e'); |
| assert_int_equal (ptr2->buffer[1], 'd'); |
| assert_int_equal (ptr2->buffer[2], 'f'); |
| assert_int_equal (ptr2->buffer[3], 'g'); |
| |
| } |
| /* |
| * Success case with a valid offset |
| */ |
| static void |
| tpmu_marshal_success_offset(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| uint8_t buffer[sizeof(ha) + sizeof(sig) + 10] = { 0 }; |
| size_t buffer_size = sizeof(buffer); |
| TPMS_SIGNATURE_ECDSA *ptr; |
| TPM2B_ECC_PARAMETER *ptr2; |
| size_t offset = 10; |
| TSS2_RC rc; |
| |
| memset(ha.sha512, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Marshal(&ha, TPM2_ALG_SHA512, buffer, buffer_size, &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (memcmp(buffer + 10, ha.sha512, TPM2_SHA512_DIGEST_SIZE), 0); |
| assert_int_equal (offset, 10 + TPM2_SHA512_DIGEST_SIZE); |
| |
| sig.ecdsa.hash = TPM2_ALG_SHA1; |
| sig.ecdsa.signatureR.size = 4; |
| sig.ecdsa.signatureR.buffer[0] = 'a'; |
| sig.ecdsa.signatureR.buffer[1] = 'b'; |
| sig.ecdsa.signatureR.buffer[2] = 'c'; |
| sig.ecdsa.signatureR.buffer[3] = 'd'; |
| sig.ecdsa.signatureS.size = 4; |
| sig.ecdsa.signatureS.buffer[0] = 'e'; |
| sig.ecdsa.signatureS.buffer[1] = 'd'; |
| sig.ecdsa.signatureS.buffer[2] = 'f'; |
| sig.ecdsa.signatureS.buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Marshal(&sig, TPM2_ALG_ECDSA, buffer, buffer_size, &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| ptr = (TPMS_SIGNATURE_ECDSA *) (buffer + 10 + TPM2_SHA512_DIGEST_SIZE); |
| assert_int_equal (ptr->hash, HOST_TO_BE_16(TPM2_ALG_SHA1)); |
| assert_int_equal (ptr->signatureR.size, HOST_TO_BE_16(4)); |
| assert_int_equal (ptr->signatureR.buffer[0], 'a'); |
| assert_int_equal (ptr->signatureR.buffer[1], 'b'); |
| assert_int_equal (ptr->signatureR.buffer[2], 'c'); |
| assert_int_equal (ptr->signatureR.buffer[3], 'd'); |
| ptr2 = (TPM2B_ECC_PARAMETER *) (buffer + 10 + TPM2_SHA512_DIGEST_SIZE + 8); |
| assert_int_equal (ptr2->size, HOST_TO_BE_16(4)); |
| assert_int_equal (ptr2->buffer[0], 'e'); |
| assert_int_equal (ptr2->buffer[1], 'd'); |
| assert_int_equal (ptr2->buffer[2], 'f'); |
| assert_int_equal (ptr2->buffer[3], 'g'); |
| assert_int_equal (offset, 10 + TPM2_SHA512_DIGEST_SIZE + 2 + ((2 + 1 + 1 + 1 + 1) * 2)); |
| } |
| |
| /* |
| * Success case with a null buffer |
| */ |
| static void |
| tpmu_marshal_buffer_null_with_offset(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| size_t buffer_size = sizeof(ha) + sizeof(sig) + 10; |
| size_t offset = 10; |
| TSS2_RC rc; |
| |
| memset(ha.sha512, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Marshal(&ha, TPM2_ALG_SHA512, NULL, buffer_size, &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, 10 + TPM2_SHA512_DIGEST_SIZE); |
| |
| sig.ecdsa.hash = TPM2_ALG_SHA1; |
| sig.ecdsa.signatureR.size = 4; |
| sig.ecdsa.signatureR.buffer[0] = 'a'; |
| sig.ecdsa.signatureR.buffer[1] = 'b'; |
| sig.ecdsa.signatureR.buffer[2] = 'c'; |
| sig.ecdsa.signatureR.buffer[3] = 'd'; |
| sig.ecdsa.signatureS.size = 4; |
| sig.ecdsa.signatureS.buffer[0] = 'e'; |
| sig.ecdsa.signatureS.buffer[1] = 'd'; |
| sig.ecdsa.signatureS.buffer[2] = 'f'; |
| sig.ecdsa.signatureS.buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Marshal(&sig, TPM2_ALG_ECDSA, NULL, buffer_size, &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, 10 + TPM2_SHA512_DIGEST_SIZE + 2 + ((2 + 1 + 1 + 1 + 1) * 2)); |
| } |
| |
| /* |
| * Invalid case with a null buffer and a null offset |
| */ |
| static void |
| tpmu_marshal_buffer_null_offset_null(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| TSS2_RC rc; |
| |
| rc = Tss2_MU_TPMU_HA_Marshal(&ha, TPM2_ALG_SHA512, NULL, sizeof(ha), NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Marshal(&sig, TPM2_ALG_ECDSA, NULL, sizeof(sig), NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| } |
| |
| /* |
| * Invalid case with not big enough buffer |
| */ |
| static void |
| tpmu_marshal_buffer_size_lt_data_nad_lt_offset(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| uint8_t buffer[sizeof(ha) + sizeof(sig) + 10] = { 0 }; |
| size_t offset = 10; |
| TSS2_RC rc; |
| |
| memset(ha.sha512, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Marshal(&ha, TPM2_ALG_SHA512, buffer, TPM2_SHA512_DIGEST_SIZE - 1, &offset); |
| assert_int_equal (rc, TSS2_MU_RC_INSUFFICIENT_BUFFER); |
| assert_int_equal (offset, 10); |
| |
| sig.ecdsa.hash = TPM2_ALG_SHA1; |
| sig.ecdsa.signatureR.size = 4; |
| sig.ecdsa.signatureR.buffer[0] = 'a'; |
| sig.ecdsa.signatureR.buffer[1] = 'b'; |
| sig.ecdsa.signatureR.buffer[2] = 'c'; |
| sig.ecdsa.signatureR.buffer[3] = 'd'; |
| sig.ecdsa.signatureS.size = 4; |
| sig.ecdsa.signatureS.buffer[0] = 'e'; |
| sig.ecdsa.signatureS.buffer[1] = 'd'; |
| sig.ecdsa.signatureS.buffer[2] = 'f'; |
| sig.ecdsa.signatureS.buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Marshal(&sig, TPM2_ALG_ECDSA, buffer, 12, &offset); |
| assert_int_equal (rc, TSS2_MU_RC_INSUFFICIENT_BUFFER); |
| assert_int_equal (offset, 10); |
| } |
| |
| /* |
| * Success case |
| */ |
| static void |
| tpmu_unmarshal_success(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| uint8_t buffer[sizeof(ha) + sizeof(sig)] = { 0 }; |
| size_t buffer_size = sizeof(buffer); |
| TPMS_SIGNATURE_ECDSA *ptr; |
| TPM2B_ECC_PARAMETER *ptr2; |
| size_t offset = 0; |
| TSS2_RC rc; |
| |
| memset(buffer, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Unmarshal(buffer, buffer_size, &offset, TPM2_ALG_SHA512, &ha); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, TPM2_SHA512_DIGEST_SIZE); |
| assert_int_equal (memcmp(buffer, ha.sha512, TPM2_SHA512_DIGEST_SIZE), 0); |
| |
| offset = 0; |
| ptr = (TPMS_SIGNATURE_ECDSA *) buffer; |
| ptr2 = (TPM2B_ECC_PARAMETER *) (buffer + 8); |
| ptr->hash = HOST_TO_BE_16(TPM2_ALG_SHA1); |
| ptr->signatureR.size = HOST_TO_BE_16(4); |
| ptr->signatureR.buffer[0] = 'a'; |
| ptr->signatureR.buffer[1] = 'b'; |
| ptr->signatureR.buffer[2] = 'c'; |
| ptr->signatureR.buffer[3] = 'd'; |
| ptr2->size = HOST_TO_BE_16(4); |
| ptr2->buffer[0] = 'e'; |
| ptr2->buffer[1] = 'd'; |
| ptr2->buffer[2] = 'f'; |
| ptr2->buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Unmarshal(buffer, buffer_size, &offset, TPM2_ALG_ECDSA, &sig); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, 14); |
| assert_int_equal (sig.ecdsa.hash, TPM2_ALG_SHA1); |
| assert_int_equal (sig.ecdsa.signatureR.size, 4); |
| assert_int_equal (sig.ecdsa.signatureR.buffer[0], 'a'); |
| assert_int_equal (sig.ecdsa.signatureR.buffer[1], 'b'); |
| assert_int_equal (sig.ecdsa.signatureR.buffer[2], 'c'); |
| assert_int_equal (sig.ecdsa.signatureR.buffer[3], 'd'); |
| assert_int_equal (sig.ecdsa.signatureS.size, 4); |
| assert_int_equal (sig.ecdsa.signatureS.buffer[0], 'e'); |
| assert_int_equal (sig.ecdsa.signatureS.buffer[1], 'd'); |
| assert_int_equal (sig.ecdsa.signatureS.buffer[2], 'f'); |
| assert_int_equal (sig.ecdsa.signatureS.buffer[3], 'g'); |
| } |
| |
| /* |
| * Invalid test case with buffer null and dest null |
| */ |
| static void |
| tpmu_unmarshal_dest_null_buff_null(void **state) |
| { |
| size_t offset = 1; |
| TSS2_RC rc; |
| |
| rc = Tss2_MU_TPMU_HA_Unmarshal(NULL, TPM2_SHA512_DIGEST_SIZE, &offset, TPM2_ALG_SHA512, NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| assert_int_equal (offset, 1); |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Unmarshal(NULL, 32, &offset, TPM2_ALG_ECDSA, NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| assert_int_equal (offset, 1); |
| } |
| |
| /* |
| * Invalid test case with offset null and dest null |
| */ |
| static void |
| tpmu_unmarshal_buffer_null_offset_null(void **state) |
| { |
| uint8_t buffer[sizeof(TPMU_HA) + sizeof(TPMU_SIGNATURE)] = { 0 }; |
| size_t buffer_size = sizeof(buffer); |
| TSS2_RC rc; |
| |
| rc = Tss2_MU_TPMU_HA_Unmarshal(buffer, buffer_size, NULL, TPM2_ALG_SHA512, NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Unmarshal(buffer, buffer_size, NULL, TPM2_ALG_ECDSA, NULL); |
| assert_int_equal (rc, TSS2_MU_RC_BAD_REFERENCE); |
| } |
| |
| /* |
| * Test case ensures the offset is updated when dest is NULL |
| * and offset is valid |
| */ |
| static void |
| tpmu_unmarshal_dest_null_offset_valid(void **state) |
| { |
| uint8_t buffer[sizeof(TPMU_HA) + sizeof(TPMU_SIGNATURE)] = { 0 }; |
| size_t buffer_size = sizeof(buffer); |
| TPMS_SIGNATURE_ECDSA *ptr; |
| TPM2B_ECC_PARAMETER *ptr2; |
| size_t offset = 0; |
| TSS2_RC rc; |
| |
| memset(buffer, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Unmarshal(buffer, buffer_size, &offset, TPM2_ALG_SHA512, NULL); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, TPM2_SHA512_DIGEST_SIZE); |
| |
| offset = 0; |
| ptr = (TPMS_SIGNATURE_ECDSA *) buffer; |
| ptr2 = (TPM2B_ECC_PARAMETER *) (buffer + 8); |
| ptr->hash = HOST_TO_BE_16(TPM2_ALG_SHA1); |
| ptr->signatureR.size = HOST_TO_BE_16(4); |
| ptr->signatureR.buffer[0] = 'a'; |
| ptr->signatureR.buffer[1] = 'b'; |
| ptr->signatureR.buffer[2] = 'c'; |
| ptr->signatureR.buffer[3] = 'd'; |
| ptr2->size = HOST_TO_BE_16(4); |
| ptr2->buffer[0] = 'e'; |
| ptr2->buffer[1] = 'd'; |
| ptr2->buffer[2] = 'f'; |
| ptr2->buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Unmarshal(buffer, buffer_size, &offset, TPM2_ALG_ECDSA, NULL); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, 14); |
| } |
| |
| /* |
| * Invalid case with not big enough buffer. Make sure offest is untouched. |
| */ |
| static void |
| tpmu_unmarshal_buffer_size_lt_data_nad_lt_offset(void **state) |
| { |
| TPMU_HA ha = {0}; |
| TPMU_SIGNATURE sig = {0}; |
| uint8_t buffer[sizeof(ha) + sizeof(sig)] = { 0 }; |
| TPMS_SIGNATURE_ECDSA *ptr; |
| TPM2B_ECC_PARAMETER *ptr2; |
| size_t offset = 5; |
| TSS2_RC rc; |
| |
| memset(buffer, 'a', TPM2_SHA512_DIGEST_SIZE); |
| rc = Tss2_MU_TPMU_HA_Unmarshal(buffer, TPM2_SHA512_DIGEST_SIZE - 1, &offset, TPM2_ALG_SHA512, &ha); |
| assert_int_equal (rc, TSS2_MU_RC_INSUFFICIENT_BUFFER); |
| assert_int_equal (offset, 5); |
| |
| ptr = (TPMS_SIGNATURE_ECDSA *) buffer; |
| ptr2 = (TPM2B_ECC_PARAMETER *) (buffer + 8); |
| ptr->hash = HOST_TO_BE_16(TPM2_ALG_SHA1); |
| ptr->signatureR.size = HOST_TO_BE_16(4); |
| ptr->signatureR.buffer[0] = 'a'; |
| ptr->signatureR.buffer[1] = 'b'; |
| ptr->signatureR.buffer[2] = 'c'; |
| ptr->signatureR.buffer[3] = 'd'; |
| ptr2->size = HOST_TO_BE_16(4); |
| ptr2->buffer[0] = 'e'; |
| ptr2->buffer[1] = 'd'; |
| ptr2->buffer[2] = 'f'; |
| ptr2->buffer[3] = 'g'; |
| |
| rc = Tss2_MU_TPMU_SIGNATURE_Unmarshal(buffer, 14, &offset, TPM2_ALG_ECDSA, &sig); |
| assert_int_equal (rc, TSS2_MU_RC_INSUFFICIENT_BUFFER); |
| assert_int_equal (offset, 5); |
| } |
| |
| static void |
| tpmu_name_marshal(void **state) |
| { |
| TPMU_NAME name = {0}; |
| TPMT_HA ha = {0}; |
| uint8_t buf[256] = {0}; |
| TPM2_HANDLE hdl = TPM2_RS_PW; |
| TPM2_HANDLE hdl_expected = HOST_TO_BE_32(TPM2_RS_PW); |
| TPM2_ALG_ID id_expected = HOST_TO_BE_16(TPM2_ALG_SHA1); |
| size_t size = sizeof(hdl), offset = 0; |
| const char digest[] = {0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x01, 0x02, |
| 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, |
| 0x10, 0x11, 0x12, 0x13, 0x14}; |
| TPM2_RC rc; |
| |
| /* Handle case */ |
| size = sizeof(hdl); |
| name.handle = hdl; |
| |
| rc = Tss2_MU_TPMU_NAME_Marshal(&name, size, buf, sizeof(hdl), &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, sizeof(hdl)); |
| assert_memory_equal ((void *) buf, &hdl_expected, sizeof(hdl)); |
| |
| /* Digest case */ |
| offset = 0; |
| size = sizeof(TPM2_ALG_ID) + TPM2_SHA1_DIGEST_SIZE; |
| ha.hashAlg = TPM2_ALG_SHA1; |
| memcpy(&ha.digest, digest, TPM2_SHA1_DIGEST_SIZE); |
| memcpy(&name.digest, &ha, sizeof(ha)); |
| rc = Tss2_MU_TPMU_NAME_Marshal(&name, size, buf, TPM2_SHA1_DIGEST_SIZE + 2, &offset); |
| assert_int_equal (rc, TSS2_RC_SUCCESS); |
| assert_int_equal (offset, TPM2_SHA1_DIGEST_SIZE + 2); |
| assert_memory_equal (buf, &id_expected, sizeof(TPM2_ALG_ID)); |
| assert_memory_equal (buf + 2, digest, TPM2_SHA1_DIGEST_SIZE); |
| } |
| |
| int main(void) { |
| const struct CMUnitTest tests[] = { |
| cmocka_unit_test (tpmu_marshal_success), |
| cmocka_unit_test (tpmu_marshal_success_offset), |
| cmocka_unit_test (tpmu_marshal_buffer_null_with_offset), |
| cmocka_unit_test (tpmu_marshal_buffer_null_offset_null), |
| cmocka_unit_test (tpmu_marshal_buffer_size_lt_data_nad_lt_offset), |
| cmocka_unit_test (tpmu_unmarshal_success), |
| cmocka_unit_test (tpmu_unmarshal_dest_null_buff_null), |
| cmocka_unit_test (tpmu_unmarshal_buffer_null_offset_null), |
| cmocka_unit_test (tpmu_unmarshal_dest_null_offset_valid), |
| cmocka_unit_test (tpmu_unmarshal_buffer_size_lt_data_nad_lt_offset), |
| cmocka_unit_test (tpmu_name_marshal), |
| }; |
| return cmocka_run_group_tests(tests, NULL, NULL); |
| } |