/********************************************************************************/
/* */
/* PolicySecret */
/* 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>
#include <ibmtss/tssmarshal.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;
PolicySecret_In in;
PolicySecret_Out out;
TPMI_DH_ENTITY authHandle = 0;
TPMI_SH_POLICY policySession = 0;
const char *nonceTPMFilename = NULL;
const char *cpHashAFilename = NULL;
const char *policyRefFilename = NULL;
int32_t expiration = 0;
const char *ticketFilename = NULL;
const char *timeoutFilename = NULL;
const char *entityPassword = NULL;
TPMI_SH_AUTH_SESSION sessionHandle0 = TPM_RS_PW;
unsigned int sessionAttributes0 = 0;
TPMI_SH_AUTH_SESSION sessionHandle1 = TPM_RH_NULL;
unsigned int sessionAttributes1 = 0;
TPMI_SH_AUTH_SESSION sessionHandle2 = TPM_RH_NULL;
unsigned int sessionAttributes2 = 0;
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 */
in.nonceTPM.b.size = 0;
in.cpHashA.b.size = 0;
in.policyRef.b.size = 0;
for (i=1 ; (i<argc) && (rc == 0) ; i++) {
if (strcmp(argv[i],"-ha") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%x", &authHandle);
}
else {
printf("Missing parameter for -ha\n");
printUsage();
}
}
else if (strcmp(argv[i],"-hs") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%x", &policySession);
}
else {
printf("Missing parameter for -hs\n");
printUsage();
}
}
else if (strcmp(argv[i],"-in") == 0) {
i++;
if (i < argc) {
nonceTPMFilename = argv[i];
}
else {
printf("-in option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-cp") == 0) {
i++;
if (i < argc) {
cpHashAFilename = argv[i];
}
else {
printf("-cp option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-pref") == 0) {
i++;
if (i < argc) {
policyRefFilename = argv[i];
}
else {
printf("-pref option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-exp") == 0) {
i++;
if (i < argc) {
expiration = atoi(argv[i]);
}
else {
printf("Missing parameter for -exp\n");
printUsage();
}
}
else if (strcmp(argv[i],"-pwde") == 0) {
i++;
if (i < argc) {
entityPassword = argv[i];
}
else {
printf("-pwda option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-tk") == 0) {
i++;
if (i < argc) {
ticketFilename = argv[i];
}
else {
printf("-tk option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-to") == 0) {
i++;
if (i < argc) {
timeoutFilename = argv[i];
}
else {
printf("-to option needs a value\n");
printUsage();
}
}
else if (strcmp(argv[i],"-se0") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionHandle0);
}
else {
printf("Missing parameter for -se0\n");
printUsage();
}
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionAttributes0);
if (sessionAttributes0 > 0xff) {
printf("Out of range session attributes for -se0\n");
printUsage();
}
}
else {
printf("Missing parameter for -se0\n");
printUsage();
}
}
else if (strcmp(argv[i],"-se1") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionHandle1);
}
else {
printf("Missing parameter for -se1\n");
printUsage();
}
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionAttributes1);
if (sessionAttributes1 > 0xff) {
printf("Out of range session attributes for -se1\n");
printUsage();
}
}
else {
printf("Missing parameter for -se1\n");
printUsage();
}
}
else if (strcmp(argv[i],"-se2") == 0) {
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionHandle2);
}
else {
printf("Missing parameter for -se2\n");
printUsage();
}
i++;
if (i < argc) {
sscanf(argv[i],"%x", &sessionAttributes2);
if (sessionAttributes2 > 0xff) {
printf("Out of range session attributes for -se2\n");
printUsage();
}
}
else {
printf("Missing parameter for -se2\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 (authHandle == 0) {
printf("Missing authorizing entity handle parameter -hs\n");
printUsage();
}
if (policySession == 0) {
printf("Missing policy session handle parameter -hs\n");
printUsage();
}
if (rc == 0) {
in.authHandle = authHandle;
in.policySession = policySession;
}
if ((rc == 0) && (nonceTPMFilename != NULL)) {
rc = TSS_File_Read2B(&in.nonceTPM.b,
sizeof(in.nonceTPM.t.buffer),
nonceTPMFilename);
}
if ((rc == 0) && (cpHashAFilename != NULL)) {
rc = TSS_File_Read2B(&in.cpHashA.b,
sizeof(in.cpHashA.t.buffer),
cpHashAFilename);
}
if ((rc == 0) && (policyRefFilename != NULL)) {
rc = TSS_File_Read2B(&in.policyRef.b,
sizeof(in.policyRef.t.buffer),
policyRefFilename);
}
if (rc == 0) {
in.expiration = expiration;
}
/* 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_PolicySecret,
sessionHandle0, entityPassword, sessionAttributes0,
sessionHandle1, NULL, sessionAttributes1,
sessionHandle2, NULL, sessionAttributes2,
TPM_RH_NULL, NULL, 0);
}
{
TPM_RC rc1 = TSS_Delete(tssContext);
if (rc == 0) {
rc = rc1;
}
}
if ((rc == 0) && (ticketFilename != NULL)) {
rc = TSS_File_WriteStructure(&out.policyTicket,
(MarshalFunction_t)TSS_TPMT_TK_AUTH_Marshalu,
ticketFilename);
}
if ((rc == 0) && (timeoutFilename != NULL)) {
rc = TSS_File_WriteBinaryFile(out.timeout.b.buffer,
out.timeout.b.size,
timeoutFilename);
}
if (rc == 0) {
if (tssUtilsVerbose) printf("policysecret: success\n");
}
else {
const char *msg;
const char *submsg;
const char *num;
printf("policysecret: failed, rc %08x\n", rc);
TSS_ResponseCode_toString(&msg, &submsg, &num, rc);
printf("%s%s%s\n", msg, submsg, num);
rc = EXIT_FAILURE;
}
return rc;
}
static void printUsage(void)
{
printf("\n");
printf("policysecret\n");
printf("\n");
printf("Runs TPM2_PolicySecret\n");
printf("\n");
printf("\t-ha\tauthorizing entity handle\n");
printf("\t-hs\tpolicy session handle\n");
printf("\t[-in\tnonceTPM file (default none)]\n");
printf("\t[-cp\tcpHash file (default none)]\n");
printf("\t[-pref\tpolicyRef file (default none)]\n");
printf("\t[-exp\texpiration (default none)]\n");
printf("\t[-pwde\tauthorizing entity password (default empty)]\n");
printf("\t[-tk\tticket file name]\n");
printf("\t[-to\ttimeout file name]\n");
printf("\n");
printf("\t-se[0-2] session handle / attributes (default PWAP)\n");
printf("\t01\tcontinue\n");
printf("\t20\tcommand decrypt\n");
printf("\t40\tresponse encrypt\n");
exit(1);
}