diff options
Diffstat (limited to 'roms/skiboot/libstb/tss2/ibmtpm20tss/utils/pcrextend.c')
| -rw-r--r-- | roms/skiboot/libstb/tss2/ibmtpm20tss/utils/pcrextend.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/pcrextend.c b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/pcrextend.c new file mode 100644 index 000000000..be582099c --- /dev/null +++ b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/pcrextend.c @@ -0,0 +1,269 @@ +/********************************************************************************/ +/* */ +/* PCR_Extend */ +/* 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/Unmarshal_fp.h> + +static void printUsage(void); + +extern int tssUtilsVerbose; + +int main(int argc, char *argv[]) +{ + TPM_RC rc = 0; + int i; /* argc iterator */ + uint32_t algs; /* hash algorithm iterator */ + TSS_CONTEXT *tssContext = NULL; + PCR_Extend_In in; + TPMI_DH_PCR pcrHandle = IMPLEMENTATION_PCR; + const char *dataString = NULL; + const char *datafilename = NULL; + + setvbuf(stdout, 0, _IONBF, 0); /* output may be going through pipe to log file */ + TSS_SetProperty(NULL, TPM_TRACE_LEVEL, "1"); + tssUtilsVerbose = FALSE; + + /* Table 100 - Definition of TPML_DIGEST_VALUES Structure */ + in.digests.count = 0xffffffff; /* flag for default hash algorithm */ + + /* 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],"-halg") == 0) { + /* Table 100 - Definition of TPML_DIGEST_VALUES Structure */ + if (in.digests.count == 0xffffffff) { /* first time */ + in.digests.count = 1; /* extend a bank */ + } + else { + in.digests.count++; /* extend a bank */ + } + if (in.digests.count > HASH_COUNT) { + printf("Too many -halg specifiers, %u permitted\n", HASH_COUNT); + printUsage(); + } + i++; + if (i < argc) { + /* Table 100 - Definition of TPML_DIGEST_VALUES Structure digests */ + /* Table 71 - Definition of TPMT_HA Structure <IN/OUT> */ + /* Table 59 - Definition of (TPM_ALG_ID) TPMI_ALG_HASH Type hashAlg */ + if (strcmp(argv[i],"sha1") == 0) { + in.digests.digests[in.digests.count-1].hashAlg = TPM_ALG_SHA1; + } + else if (strcmp(argv[i],"sha256") == 0) { + in.digests.digests[in.digests.count-1].hashAlg = TPM_ALG_SHA256; + } + else if (strcmp(argv[i],"sha384") == 0) { + in.digests.digests[in.digests.count-1].hashAlg = TPM_ALG_SHA384; + } + else if (strcmp(argv[i],"sha512") == 0) { + in.digests.digests[in.digests.count-1].hashAlg = TPM_ALG_SHA512; + } + else { + printf("Bad parameter %s for -halg\n", argv[i]); + printUsage(); + } + } + else { + printf("-halg option needs a value\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-ic") == 0) { + i++; + if (i < argc) { + dataString = 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],"-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 ((dataString == NULL) && (datafilename == NULL)) { + printf("Data string or data file must be specified\n"); + printUsage(); + } + if ((dataString != NULL) && (datafilename != NULL)) { + printf("Data string and data file cannot both be specified\n"); + printUsage(); + } + if ((dataString != NULL) && (strlen(dataString) > sizeof(TPMU_HA))) { + printf("Data length greater than maximum hash size %lu bytes\n", + (unsigned long)sizeof(TPMU_HA)); + printUsage(); + } + /* handle default hash algorithm */ + if (in.digests.count == 0xffffffff) { /* if none specified */ + in.digests.count = 1; + in.digests.digests[0].hashAlg = TPM_ALG_SHA256; + } + if (rc == 0) { + in.pcrHandle = pcrHandle; + /* Table 70 - Definition of TPMU_HA Union <IN/OUT, S> */ + /* append zero padding to maximum hash algorithm length */ + for (algs = 0 ; algs < in.digests.count ; algs++) { + memset((uint8_t *)&in.digests.digests[algs].digest, 0, sizeof(TPMU_HA)); + } + } + if (rc == 0) { + if (dataString != NULL) { + if (tssUtilsVerbose) printf("Extending %u bytes from stream into %u banks\n", + (unsigned int)strlen(dataString), in.digests.count); + for (algs = 0 ; algs < in.digests.count ; algs++) { + memcpy((uint8_t *)&in.digests.digests[algs].digest, + dataString, strlen(dataString)); + } + } + } + if (datafilename != NULL) { + unsigned char *fileData = NULL; + size_t length; + if (rc == 0) { + rc = TSS_File_ReadBinaryFile(&fileData, /* freed @1 */ + &length, datafilename); + } + if (rc == 0) { + if (length > sizeof(TPMU_HA)) { + printf("Data length greater than maximum hash size %lu bytes\n", + (unsigned long)sizeof(TPMU_HA)); + rc = EXIT_FAILURE; + } + } + if (rc == 0) { + if (tssUtilsVerbose) printf("Extending %u bytes from file into %u banks\n", + (unsigned int)length, in.digests.count); + for (algs = 0 ; algs < in.digests.count ; algs++) { + memcpy((uint8_t *)&in.digests.digests[algs].digest, fileData, length); + } + } + free(fileData); /* @1 */ + } + /* 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_PCR_Extend, + TPM_RS_PW, NULL, 0, + TPM_RH_NULL, NULL, 0); + } + { + TPM_RC rc1 = TSS_Delete(tssContext); + if (rc == 0) { + rc = rc1; + } + } + if (rc == 0) { + if (tssUtilsVerbose) printf("pcrextend: success\n"); + } + else { + const char *msg; + const char *submsg; + const char *num; + printf("pcrextend: 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("pcrextend\n"); + printf("\n"); + printf("Runs TPM2_PCR_Extend\n"); + printf("\n"); + printf("\t-ha\tpcr handle\n"); + printf("\t[-halg\t(sha1, sha256, sha384, sha512) (default sha256)]\n"); + printf("\t\t-halg may be specified more than once\n"); + printf("\n"); + printf("\t-ic\tdata string, 0 pad appended to halg length\n"); + printf("\t-if\tdata file, 0 pad appended to halg length\n"); + exit(1); +} |