| /********************************************************************************/ |
| /* */ |
| /* Time a TPM Command */ |
| /* Written by Ken Goldman */ |
| /* IBM Thomas J. Watson Research Center */ |
| /* */ |
| /* (c) Copyright IBM Corporation 2017 - 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 <time.h> |
| |
| #ifdef TPM_WINDOWS |
| #include <winsock2.h> |
| #include <windows.h> |
| #endif |
| |
| #ifdef TPM_POSIX |
| #include <unistd.h> |
| #endif |
| |
| #include <ibmtss/tss.h> |
| #include <ibmtss/tsstransmit.h> |
| #include <ibmtss/tssfile.h> |
| #include <ibmtss/tssresponsecode.h> |
| #include <ibmtss/tsscrypto.h> |
| |
| #include "cryptoutils.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; |
| const char *commandFilename = NULL; |
| unsigned char *commandBufferString = NULL; |
| unsigned char *commandBuffer = NULL; |
| size_t commandStringLength; |
| size_t commandLength; |
| unsigned int loops = 1; |
| unsigned int count; |
| uint8_t responseBuffer[MAX_RESPONSE_SIZE]; |
| uint32_t responseLength; |
| time_t startTime; |
| time_t endTime; |
| double timeDiff = 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 */ |
| for (i=1 ; (i<argc) && (rc == 0) ; i++) { |
| if (strcmp(argv[i],"-if") == 0) { |
| i++; |
| if (i < argc) { |
| commandFilename = argv[i]; |
| } |
| else { |
| printf("-if option needs a value\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-l") == 0) { |
| i++; |
| if (i < argc) { |
| loops = atoi(argv[i]); |
| } |
| else { |
| printf("-l 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 (commandFilename == NULL) { |
| printf("Missing parameter -if\n"); |
| printUsage(); |
| } |
| if (rc == 0) { |
| rc = TSS_File_ReadBinaryFile(&commandBufferString, /* freed @2 */ |
| &commandStringLength, commandFilename); |
| } |
| if (rc == 0) { |
| if (commandBufferString[commandStringLength-1] != ' ') { |
| printf("packet string does not end in a space\n"); |
| } |
| else { |
| /* nul terminate the string */ |
| commandBufferString[commandStringLength-1] = '\0'; |
| } |
| } |
| if (rc == 0) { |
| rc = TSS_Array_Scan(&commandBuffer, /* freed @1 */ |
| &commandLength, (char *)commandBufferString); |
| } |
| /* Start a TSS context */ |
| if (rc == 0) { |
| rc = TSS_Create(&tssContext); |
| } |
| for (count = 0 ; (rc == 0) && (count < loops) ; count++) { |
| uint32_t usec; |
| if (rc == 0) { |
| rc = TSS_RandBytes((unsigned char *)&usec, sizeof(uint32_t)); |
| } |
| if (rc == 0) { |
| usec %= 1000000; |
| #ifdef TPM_POSIX |
| usleep(usec); /* usleep() units are usec */ |
| #endif |
| #ifdef TPM_WINDOWS |
| Sleep(usec/1000); /* Sleep units are msec */ |
| #endif |
| startTime = time(NULL); |
| rc = TSS_Transmit(tssContext, |
| responseBuffer, &responseLength, |
| commandBuffer, commandLength, |
| NULL); |
| endTime = time(NULL); |
| printf("End Pass %u\n", count +1); |
| timeDiff += difftime(endTime, startTime); |
| } |
| } |
| { |
| TPM_RC rc1 = TSS_Delete(tssContext); |
| if (rc == 0) { |
| rc = rc1; |
| } |
| } |
| if (rc == 0) { |
| printf("Loops %u time %f time per pass %f\n", loops, timeDiff, timeDiff/loops); |
| } |
| if (rc == 0) { |
| if (tssUtilsVerbose) printf("timepacket: success\n"); |
| } |
| else { |
| const char *msg; |
| const char *submsg; |
| const char *num; |
| printf("timepacket: failed, rc %08x\n", rc); |
| TSS_ResponseCode_toString(&msg, &submsg, &num, rc); |
| printf("%s%s%s\n", msg, submsg, num); |
| rc = EXIT_FAILURE; |
| } |
| free(commandBufferString); /* @2 */ |
| free(commandBuffer); /* @1 */ |
| return rc; |
| } |
| |
| static void printUsage(void) |
| { |
| printf("\n"); |
| printf("timepacket\n"); |
| printf("\n"); |
| printf("Times the supplied packet\n"); |
| printf("\n"); |
| printf("\t-if\tpacket in hexascii (requires one space at end of packet)\n"); |
| printf("\t[-l\tnumber of loops to time (default 1)]\n"); |
| exit(1); |
| } |