diff options
Diffstat (limited to 'roms/skiboot/libstb/tss2/ibmtpm20tss/utils/contextsave.c')
| -rw-r--r-- | roms/skiboot/libstb/tss2/ibmtpm20tss/utils/contextsave.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/contextsave.c b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/contextsave.c new file mode 100644 index 000000000..33e8c5438 --- /dev/null +++ b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/contextsave.c @@ -0,0 +1,162 @@ +/********************************************************************************/ +/* */ +/* ContextSave */ +/* 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; + ContextSave_In in; + ContextSave_Out out; + TPMI_DH_CONTEXT saveHandle = 0; + const char *contextFilename = NULL; + + 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],"-ha") == 0) { + i++; + if (i < argc) { + sscanf(argv[i],"%x", &saveHandle); + } + else { + printf("Missing parameter for -ha\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-of") == 0) { + i++; + if (i < argc) { + contextFilename = argv[i]; + } + else { + printf("-of 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 (saveHandle == 0) { + printf("Missing handle parameter -ha\n"); + printUsage(); + } + if (rc == 0) { + in.saveHandle = saveHandle; + } + /* 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_ContextSave, + TPM_RH_NULL, NULL, 0); + } + { + TPM_RC rc1 = TSS_Delete(tssContext); + if (rc == 0) { + rc = rc1; + } + } + /* save the context */ + if ((rc == 0) && (contextFilename != NULL)) { + rc = TSS_File_WriteStructure(&out.context, + (MarshalFunction_t)TSS_TPMS_CONTEXT_Marshalu, + contextFilename ); + } + if (rc == 0) { + printf("TPMS_CONTEXT.savedHandle %08x\n", out.context.savedHandle); + if (tssUtilsVerbose) printf("contextsave: success\n"); + } + else { + const char *msg; + const char *submsg; + const char *num; + printf("contextsave: 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("contextsave\n"); + printf("\n"); + printf("Runs TPM2_ContextSave\n"); + printf("\n"); + printf("\t-ha\thandle\n"); + printf("\t[-of\tcontext file name (default do not save)]\n"); + exit(1); +} |