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https://github.com/stefanberger/libtpms
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399a07e3cd
Extend the existing test case with extending PCR 10 and reading back the result, then storing the state blobs and setting them and checking the value of PCR 10 again. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
269 lines
9.6 KiB
C
269 lines
9.6 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <libtpms/tpm_library.h>
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#include <libtpms/tpm_error.h>
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#include <libtpms/tpm_memory.h>
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int main(void)
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{
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unsigned char *rbuffer = NULL;
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uint32_t rlength;
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uint32_t rtotal = 0;
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TPM_RESULT res;
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int ret = 1;
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unsigned char startup[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
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0x01, 0x44, 0x00, 0x00
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};
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unsigned char tpm2_pcr_read[] = {
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0x80, 0x01, // TPM_ST_NO_SESSIONS
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0x00, 0x00, 0x00, 0x26, // command size
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0x00, 0x00, 0x01, 0x7e, // TPM_CC_PCR_Read
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0x00, 0x00, 0x00, 0x04, // TPML_PCR_SELECTION
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0x00, 0x04, // TPMI_ALG_HASH, SHA1=4
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0b, // TPMI_ALG_HASH, SHA256=11
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0c, // TPMI_ALG_HASH, SHA384=12
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0d, // TPMI_ALG_HASH, SHA512=13
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0x03, // size of the select
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0x01, 0x00, 0x10 // pcrSelect
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};
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const unsigned char tpm2_pcr_read_exp_resp[] = {
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0x80, 0x01, 0x00, 0x00, 0x01, 0x86, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00,
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0x00, 0x04, 0x00, 0x04, 0x03, 0x01, 0x00, 0x10,
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0x00, 0x0b, 0x03, 0x01, 0x00, 0x10, 0x00, 0x0c,
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0x03, 0x01, 0x00, 0x10, 0x00, 0x0d, 0x03, 0x01,
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0x00, 0x10, 0x00, 0x00, 0x00, 0x08, 0x00, 0x14,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x30, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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res = TPMLIB_ChooseTPMVersion(TPMLIB_TPM_VERSION_2);
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if (res) {
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fprintf(stderr, "TPMLIB_ChooseTPMVersion() failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_MainInit();
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if (res) {
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fprintf(stderr, "TPMLIB_MainInit() failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal, startup, sizeof(startup));
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if (res) {
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fprintf(stderr, "TPMLIB_Process(Startup) failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_pcr_read, sizeof(tpm2_pcr_read));
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if (res) {
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fprintf(stderr, "TPMLIB_Process(TPM2_PCR_Read) failed: 0x%02x\n",
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res);
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goto exit;
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}
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if (rlength != sizeof(tpm2_pcr_read_exp_resp)) {
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fprintf(stderr, "Expected response is %zu bytes, but got %u.\n",
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sizeof(tpm2_pcr_read_exp_resp), rlength);
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goto exit;
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}
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if (memcmp(rbuffer, tpm2_pcr_read_exp_resp, rlength)) {
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fprintf(stderr, "Expected response is different than received one.\n");
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goto exit;
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}
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/* Extend PCR 10 with string '1234' */
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unsigned char tpm2_pcr_extend[] = {
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0x80, 0x02, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00,
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0x01, 0x82, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
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0x00, 0x09, 0x40, 0x00, 0x00, 0x09, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
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0x0b, 0x31, 0x32, 0x33, 0x34, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00
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};
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_pcr_extend, sizeof(tpm2_pcr_extend));
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if (res != TPM_SUCCESS) {
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fprintf(stderr,
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"TPMLIB_Process(TPM2_PCR_Extend) failed: 0x%02x\n", res);
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goto exit;
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}
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/* Read value of PCR 10 */
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unsigned char tpm2_pcr10_read[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00,
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0x01, 0x7e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0b,
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0x03, 0x00, 0x04, 0x00
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};
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
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if (res) {
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fprintf(stderr, "TPMLIB_Process(PCR10 Read) failed: 0x%02x\n", res);
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goto exit;
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}
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const unsigned char tpm2_pcr10_read_resp[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00,
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0x00, 0x01, 0x00, 0x0b, 0x03, 0x00, 0x04, 0x00,
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0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x1f, 0x7f,
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0xb1, 0x00, 0xe1, 0xb2, 0xd1, 0x95, 0x19, 0x4b,
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0x58, 0xe7, 0xc3, 0x09, 0xa5, 0x86, 0x30, 0x7c,
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0x34, 0x64, 0x19, 0xdc, 0xb2, 0xd5, 0x9f, 0x52,
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0x2b, 0xe7, 0xf0, 0x94, 0x51, 0x01
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};
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if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
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fprintf(stderr, "TPM2_PCRRead(PCR10) did not return expected result\n");
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goto exit;
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}
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/* save permanent and volatile state */
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unsigned char *perm;
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uint32_t permlen = 0;
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res = TPMLIB_GetState(TPMLIB_STATE_PERMANENT, &perm, &permlen);
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if (res) {
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fprintf(stderr, "TPMLIB_GetState(PERMANENT) failed: 0x%02x\n", res);
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goto exit;
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}
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unsigned char *vol;
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uint32_t vollen = 0;
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res = TPMLIB_GetState(TPMLIB_STATE_VOLATILE, &vol, &vollen);
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if (res) {
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fprintf(stderr, "TPMLIB_GetState(VOLATILE) failed: 0x%02x\n", res);
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goto exit;
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}
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/* terminate and resume where we left off */
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TPMLIB_Terminate();
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res = TPMLIB_SetState(TPMLIB_STATE_PERMANENT, perm, permlen);
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if (res) {
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fprintf(stderr, "TPMLIB_SetState(PERMANENT) failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_SetState(TPMLIB_STATE_VOLATILE, vol, vollen);
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if (res) {
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fprintf(stderr, "TPMLIB_SetState(VOLATILE) failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_MainInit();
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if (res) {
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fprintf(stderr, "TPMLIB_MainInit() after SetState failed: 0x%02x\n", res);
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goto exit;
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}
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_pcr10_read, sizeof(tpm2_pcr10_read));
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if (res) {
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fprintf(stderr,
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"TPMLIB_Process(PCR10 Read) after SetState failedL 0x%02x\n",
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res);
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goto exit;
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}
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if (memcmp(tpm2_pcr10_read_resp, rbuffer, rlength)) {
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fprintf(stderr,
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"TPM2_PCRRead(PCR10) after SetState did not return expected "
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"result\n");
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goto exit;
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}
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unsigned char tpm2_shutdown[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
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0x01, 0x45, 0x00, 0x00
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};
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_shutdown, sizeof(tpm2_shutdown));
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if (res) {
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fprintf(stderr,
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"TPMLIB_Process(Shutdown) after SetState failed: 0x%02x\n",
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res);
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goto exit;
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}
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unsigned char tpm2_shutdown_resp[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
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0x00, 0x00
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};
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if (memcmp(tpm2_shutdown_resp, rbuffer, rlength)) {
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fprintf(stderr,
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"TPM2_PCRRead(Shutdown) after SetState did not return expected "
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"result\n");
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goto exit;
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}
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ret = 0;
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fprintf(stdout, "OK\n");
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exit:
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TPMLIB_Terminate();
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TPM_Free(rbuffer);
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return ret;
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}
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