blob: affd0edf25255a7ef1c896069586ceb1d10ceb7c [file] [log] [blame]
/********************************************************************************/
/* */
/* PCR_Event */
/* Written by Ken Goldman */
/* IBM Thomas J. Watson Research Center */
/* */
/* (c) Copyright IBM Corporation 2015 - 2019. */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following conditions are */
/* met: */
/* */
/* Redistributions of source code must retain the above copyright notice, */
/* this list of conditions and the following disclaimer. */
/* */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in the */
/* documentation and/or other materials provided with the distribution. */
/* */
/* Neither the names of the IBM Corporation nor the names of its */
/* contributors may be used to endorse or promote products derived from */
/* this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */
/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/********************************************************************************/
/*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <ibmtss/tss.h>
#include <ibmtss/tssutils.h>
#include <ibmtss/tssresponsecode.h>
static void printUsage(void);
extern int tssUtilsVerbose;
int main(int argc, char *argv[])
{
TPM_RC rc = 0;
int i; /* argc iterator */
TSS_CONTEXT *tssContext = NULL;
PCR_Event_In in;
PCR_Event_Out out;
TPMI_DH_PCR pcrHandle = IMPLEMENTATION_PCR;
const char *data = NULL;
const char *datafilename = NULL;
const char *outFilename1 = NULL; /* for sha1 */
const char *outFilename2 = NULL; /* for sha256 */
const char *outFilename3 = NULL; /* for sha384 */
const char *outFilename5 = NULL; /* for sha512 */
int process1 = FALSE; /* these catch the case */
int process2 = FALSE; /* where an output file was */
int process3 = FALSE; /* specified but the TPM did */
int process5 = FALSE; /* not return the algorithm */
setvbuf(stdout, 0, _IONBF, 0); /* output may be going through pipe to log file */
TSS_SetProperty(NULL, TPM_TRACE_LEVEL, "1");
tssUtilsVerbose = FALSE;
/* command line argument defaults */
for (i=1 ; (i<argc) && (rc == 0) ; i++) {
if (strcmp(argv[i],"-ha") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%u", &pcrHandle);
}
else {
printf("Missing parameter for -ha\n");
printUsage();
}
}
else if (strcmp(argv[i],"-ic") == 0) {
i++;
if (i < argc) {
data = argv[i];
}
else {
printf("-ic option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i], "-if") == 0) {
i++;
if (i < argc) {
datafilename = argv[i];
} else {
printf("-if option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i], "-of1") == 0) {
i++;
if (i < argc) {
outFilename1 = argv[i];
process1 = TRUE;
} else {
printf("-of1 option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i], "-of2") == 0) {
i++;
if (i < argc) {
outFilename2 = argv[i];
process2 = TRUE;
} else {
printf("-of2 option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i], "-of3") == 0) {
i++;
if (i < argc) {
outFilename3 = argv[i];
process3 = TRUE;
} else {
printf("-of3 option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i], "-of5") == 0) {
i++;
if (i < argc) {
outFilename5 = argv[i];
process5 = TRUE;
} else {
printf("-of5 option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-h") == 0) {
printUsage();
}
else if (strcmp(argv[i],"-v") == 0) {
tssUtilsVerbose = TRUE;
TSS_SetProperty(NULL, TPM_TRACE_LEVEL, "2");
}
else {
printf("\n%s is not a valid option\n", argv[i]);
printUsage();
}
}
if (pcrHandle >= IMPLEMENTATION_PCR) {
printf("Missing or bad PCR handle parameter -ha\n");
printUsage();
}
if ((data == NULL) && (datafilename == NULL)) {
printf("Data string or data file must be specified\n");
printUsage();
}
if ((data != NULL) && (datafilename != NULL)) {
printf("Data string and data file cannot both be specified\n");
printUsage();
}
if (rc == 0) {
in.pcrHandle = pcrHandle;
}
if (rc == 0) {
if (data != NULL) {
if (tssUtilsVerbose) printf("Event data %u bytes\n", (unsigned int)strlen(data));
rc = TSS_TPM2B_StringCopy(&in.eventData.b, data, sizeof(in.eventData.t.buffer));
}
}
if (datafilename != NULL) {
rc = TSS_File_Read2B(&in.eventData.b,
sizeof(in.eventData.t.buffer),
datafilename);
}
/* Start a TSS context */
if (rc == 0) {
rc = TSS_Create(&tssContext);
}
/* call TSS to execute the command */
if (rc == 0) {
rc = TSS_Execute(tssContext,
(RESPONSE_PARAMETERS *)&out,
(COMMAND_PARAMETERS *)&in,
NULL,
TPM_CC_PCR_Event,
TPM_RS_PW, NULL, 0,
TPM_RH_NULL, NULL, 0);
}
{
TPM_RC rc1 = TSS_Delete(tssContext);
if (rc == 0) {
rc = rc1;
}
}
if (rc == 0) {
uint32_t c;
printf("pcrevent: success\n");
/* Table 100 - Definition of TPML_DIGEST_VALUES Structure */
/* Table 71 - Definition of TPMT_HA Structure <IN/OUT> digests[] */
/* Table 70 - Definition of TPMU_HA Union <IN/OUT, S> digests */
printf("pcrevent: count %u\n", out.digests.count);
for (c = 0 ; c < out.digests.count ;c++) {
switch (out.digests.digests[c].hashAlg) {
case TPM_ALG_SHA1:
if (tssUtilsVerbose) printf("Hash algorithm SHA-1\n");
if (tssUtilsVerbose) TSS_PrintAll("Digest",
(uint8_t *)&out.digests.digests[c].digest.sha1,
SHA1_DIGEST_SIZE);
if (outFilename1 != NULL) {
rc = TSS_File_WriteBinaryFile((uint8_t *)&out.digests.digests[c].digest.sha1,
SHA1_DIGEST_SIZE,
outFilename1);
process1 = FALSE;
}
break;
case TPM_ALG_SHA256:
if (tssUtilsVerbose) printf("Hash algorithm SHA-256\n");
if (tssUtilsVerbose) TSS_PrintAll("Digest",
(uint8_t *)&out.digests.digests[c].digest.sha256,
SHA256_DIGEST_SIZE);
if (outFilename2 != NULL) {
rc = TSS_File_WriteBinaryFile((uint8_t *)&out.digests.digests[c].digest.sha256,
SHA256_DIGEST_SIZE,
outFilename2);
process2 = FALSE;
}
break;
case TPM_ALG_SHA384:
if (tssUtilsVerbose) printf("Hash algorithm SHA-384\n");
if (tssUtilsVerbose) TSS_PrintAll("Digest",
(uint8_t *)&out.digests.digests[c].digest.sha384,
SHA384_DIGEST_SIZE);
if (outFilename3 != NULL) {
rc = TSS_File_WriteBinaryFile((uint8_t *)&out.digests.digests[c].digest.sha384,
SHA384_DIGEST_SIZE,
outFilename3);
process3 = FALSE;
}
break;
case TPM_ALG_SHA512:
if (tssUtilsVerbose) printf("Hash algorithm SHA-512\n");
if (tssUtilsVerbose) TSS_PrintAll("Digest",
(uint8_t *)&out.digests.digests[c].digest.sha512,
SHA512_DIGEST_SIZE);
if (outFilename5 != NULL) {
rc = TSS_File_WriteBinaryFile((uint8_t *)&out.digests.digests[c].digest.sha512,
SHA512_DIGEST_SIZE,
outFilename5);
process5 = FALSE;
}
break;
default:
printf("Hash algorithm %04x unknown\n", out.digests.digests[c].hashAlg);
break;
}
}
}
else {
const char *msg;
const char *submsg;
const char *num;
printf("pcrevent: failed, rc %08x\n", rc);
TSS_ResponseCode_toString(&msg, &submsg, &num, rc);
printf("%s%s%s\n", msg, submsg, num);
rc = EXIT_FAILURE;
}
if (rc == 0) {
if (process1) {
printf("-of1 specified but TPM did not return SHA-1\n");
rc = EXIT_FAILURE;
}
if (process2) {
printf("-of2 specified but TPM did not return SHA-256\n");
rc = EXIT_FAILURE;
}
if (process3) {
printf("-of3 specified but TPM did not return SHA-384\n");
rc = EXIT_FAILURE;
}
if (process5) {
printf("-of5 specified but TPM did not return SHA-512\n");
rc = EXIT_FAILURE;
}
}
return rc;
}
static void printUsage(void)
{
printf("\n");
printf("pcrevent\n");
printf("\n");
printf("Runs TPM2_PCR_Event\n");
printf("\n");
printf("\t-ha\tpcr handle\n");
printf("\t-ic\tdata string\n");
printf("\t-if\tdata file\n");
printf("\t[-of1\tsha1 output digest file (default do not save)]\n");
printf("\t[-of2\tsha256 output digest file (default do not save)]\n");
printf("\t[-of3\tsha384 output digest file (default do not save)]\n");
printf("\t[-of5\tsha512 output digest file (default do not save)]\n");
exit(1);
}