/********************************************************************************/ /* */ /* ClockSet */ /* 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 <inttypes.h> #include <ibmtss/tss.h> #include <ibmtss/tssutils.h> #include <ibmtss/tssresponsecode.h> #include <ibmtss/Unmarshal_fp.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; ClockSet_In in; char hierarchyChar = 'p'; TPMI_RH_HIERARCHY authHandle = TPM_RH_PLATFORM; const char *parentPassword = NULL; uint64_t newClock = 0; unsigned int addSec = 0; const char *clockFilename = 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 */ for (i=1 ; (i<argc) && (rc == 0) ; i++) { if (strcmp(argv[i],"-hi") == 0) { i++; if (i < argc) { hierarchyChar = argv[i][0]; } else { printf("Missing parameter for -hi\n"); printUsage(); } } else if (strcmp(argv[i],"-pwdp") == 0) { i++; if (i < argc) { parentPassword = argv[i]; } else { printf("-pwdp option needs a value\n"); printUsage(); } } else if (strcmp(argv[i],"-clock") == 0) { i++; if (i < argc) { sscanf(argv[i],"%"SCNu64, &newClock); } else { printf("Missing parameter for -clock\n"); printUsage(); } } else if (strcmp(argv[i],"-addsec") == 0) { i++; if (i < argc) { sscanf(argv[i],"%u", &addSec); } else { printf("Missing parameter for -addsec\n"); printUsage(); } } else if (strcmp(argv[i],"-iclock") == 0) { i++; if (i < argc) { clockFilename = argv[i]; } else { printf("-iclock 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 ((newClock == 0) && (clockFilename == NULL)) { printf("Missing -clock or -iclock\n"); printUsage(); } if ((newClock != 0) && (clockFilename != NULL)) { printf("Cannot have both -clock and -iclock\n"); printUsage(); } if ((rc == 0) && (newClock != 0)) { in.newTime = newClock; } if ((rc == 0) && (clockFilename != NULL)) { unsigned char *data = NULL; size_t length; if (rc == 0) { rc = TSS_File_ReadBinaryFile(&data, &length, clockFilename); /* freed @1 */ } if (rc == 0) { if (length != sizeof(in.newTime)) { printf("Clock file %s length %lu should be %lu\n", clockFilename, (unsigned long)length, (unsigned long)sizeof(in.newTime)); } } if (rc == 0) { memcpy((uint8_t *)&in.newTime, data, length); } free(data); /* @1 */ } /* Table 50 - TPMI_RH_HIERARCHY authHandle */ if (rc == 0) { in.newTime += (addSec * 1000); /* new clock is in msec */ if (tssUtilsVerbose) printf("clockset: New clock %"PRIu64"\n", in.newTime); if (hierarchyChar == 'o') { authHandle = TPM_RH_OWNER; } else if (hierarchyChar == 'p') { authHandle = TPM_RH_PLATFORM; } else { printf("Bad parameter %c for -hi\n", hierarchyChar); printUsage(); } in.auth = authHandle; } /* Start a TSS context */ if (rc == 0) { rc = TSS_Create(&tssContext); } /* call TSS to execute the command */ if (rc == 0) { rc = TSS_Execute(tssContext, NULL, (COMMAND_PARAMETERS *)&in, NULL, TPM_CC_ClockSet, sessionHandle0, parentPassword, 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) { if (tssUtilsVerbose) printf("clockset: success\n"); } else { const char *msg; const char *submsg; const char *num; printf("clockset: 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("clockset\n"); printf("\n"); printf("Runs TPM2_ClockSet\n"); printf("\n"); printf("\t-clock\t\tnew clock\n"); printf("\t-iclock\t\tnew clock file name\n"); printf("\t[-addsec\tseconds to add to new clock]\n"); printf("\t-hi\t\thierarchy (o, p) (default platform)\n"); printf("\t\to owner, p platform\n"); printf("\t-pwdp\t\tpassword for hierarchy (default empty)\n"); printf("\n"); printf("\t-se[0-2]\t session handle / attributes (default PWAP)\n"); printf("\t01\tcontinue\n"); exit(1); }