| /********************************************************************************/ |
| /* */ |
| /* ObjectChangeAuth */ |
| /* 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; |
| ObjectChangeAuth_In in; |
| ObjectChangeAuth_Out out; |
| TPMI_DH_OBJECT parentHandle = TPM_RH_NULL; |
| TPMI_DH_OBJECT objectHandle = TPM_RH_NULL; |
| const char *objectPassword = NULL; |
| const char *newPassword = NULL; |
| const char *newPasswordFilename = NULL; |
| uint8_t *newPasswordBuffer = NULL; |
| size_t newPasswordBufferLength = 0; |
| const char *newPasswordPtr = NULL; |
| const char *privateKeyFilename = 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; |
| |
| for (i=1 ; (i<argc) && (rc == 0) ; i++) { |
| if (strcmp(argv[i],"-hp") == 0) { |
| i++; |
| if (i < argc) { |
| sscanf(argv[i],"%x", &parentHandle ); |
| } |
| else { |
| printf("Missing parameter for -hp\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-ho") == 0) { |
| i++; |
| if (i < argc) { |
| sscanf(argv[i],"%x", &objectHandle); |
| } |
| else { |
| printf("Missing parameter for -ho\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-pwdo") == 0) { |
| i++; |
| if (i < argc) { |
| objectPassword = argv[i]; |
| } |
| else { |
| printf("-pwdo option needs a value\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-pwdn") == 0) { |
| i++; |
| if (i < argc) { |
| newPassword = argv[i]; |
| } |
| else { |
| printf("-pwdn option needs a value\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-ipwdn") == 0) { |
| i++; |
| if (i < argc) { |
| newPasswordFilename = argv[i]; |
| } |
| else { |
| printf("-ipwdn option needs a value\n"); |
| printUsage(); |
| } |
| } |
| else if (strcmp(argv[i],"-opr") == 0) { |
| i++; |
| if (i < argc) { |
| privateKeyFilename = argv[i]; |
| } |
| else { |
| printf("-opr 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 (parentHandle == TPM_RH_NULL) { |
| printf("Missing or bad parent handle parameter -hp\n"); |
| printUsage(); |
| } |
| if (objectHandle == TPM_RH_NULL) { |
| printf("Missing or bad object handle parameter -ho\n"); |
| printUsage(); |
| } |
| if ((newPassword != NULL) && (newPasswordFilename != NULL)) { |
| printf("Only one of -pwdn and -ipwdn can be specified\n"); |
| printUsage(); |
| } |
| if (rc == 0) { |
| in.objectHandle = objectHandle; |
| in.parentHandle = parentHandle; |
| } |
| if (rc == 0) { |
| /* use passsword from command line */ |
| if (newPassword != NULL) { |
| newPasswordPtr = newPassword; |
| } |
| /* use password from file */ |
| else if (newPasswordFilename != NULL) { |
| rc = TSS_File_ReadBinaryFile(&newPasswordBuffer, /* freed @2 */ |
| &newPasswordBufferLength, |
| newPasswordFilename); |
| newPasswordPtr = (const char *)newPasswordBuffer; |
| } |
| /* empty password */ |
| else { |
| newPasswordPtr = NULL; |
| } |
| } |
| /* convert password string to TPM2B */ |
| if (rc == 0) { |
| if (newPasswordPtr == NULL) { |
| in.newAuth.t.size = 0; |
| } |
| else { |
| rc = TSS_TPM2B_StringCopy(&in.newAuth.b, |
| newPasswordPtr, sizeof(in.newAuth.t.buffer)); |
| } |
| } |
| /* 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_ObjectChangeAuth, |
| sessionHandle0, objectPassword, sessionAttributes0, |
| sessionHandle1, NULL, sessionAttributes1, |
| sessionHandle2, NULL, sessionAttributes2, |
| TPM_RH_NULL, NULL, 0); |
| } |
| { |
| TPM_RC rc1 = TSS_Delete(tssContext); |
| if (rc == 0) { |
| rc = rc1; |
| } |
| } |
| /* save the private key */ |
| if ((rc == 0) && (privateKeyFilename != NULL)) { |
| rc = TSS_File_WriteStructure(&out.outPrivate, |
| (MarshalFunction_t)TSS_TPM2B_PRIVATE_Marshalu, |
| privateKeyFilename); |
| } |
| if (rc == 0) { |
| if (tssUtilsVerbose) printf("objectchangeauth: success\n"); |
| } |
| else { |
| const char *msg; |
| const char *submsg; |
| const char *num; |
| printf("objectchangeauth: 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("objectchangeauth\n"); |
| printf("\n"); |
| printf("Runs TPM2_ObjectChangeAuth\n"); |
| printf("\n"); |
| printf("\t-hp\tparent handle\n"); |
| printf("\t-ho\tobject handle\n"); |
| printf("\t[-pwdo\tpassword for object (default empty)]\n"); |
| printf("\t[-pwdn\tnew password for object (default empty)]\n"); |
| printf("\t[-pwdni\tnew password file for object, nul terminated (default empty)]\n"); |
| printf("\t[-opr\tprivate key file name (default do not save)]\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); |
| } |