mirror of
https://github.com/stefanberger/libtpms
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tests: Add simple test case reading PCRs and writing state file
Add a simple test case to make sure that reading the PCRs works as expected and that the state file is written as expected. This state file (NVChip) is only written because libtpms doesn't have any callbacks registered. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger
Stefan Berger
parent
ba56737b93
commit
eb14174640
@ -4,11 +4,16 @@
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# For the license, see the LICENSE file in the root directory.
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#
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TESTS_ENVIRONMENT = \
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abs_top_testdir=`cd '$(top_srcdir)'/tests; pwd` \
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abs_top_builddir=`cd '$(top_builddir)'; pwd` \
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abs_top_srcdir=`cd '$(top_srcdir)'; pwd`
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AM_CFLAGS = -I$(top_srcdir)/include $(SANITIZERS)
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AM_LDFLAGS = -ltpms -L$(top_builddir)/src/.libs $(SANITIZERS)
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check_PROGRAMS = base64decode nvram_offsets
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TESTS = base64decode.sh nvram_offsets
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check_PROGRAMS = base64decode nvram_offsets tpm2_pcr_read
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TESTS = base64decode.sh nvram_offsets tpm2_pcr_read.sh
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nvram_offsets_SOURCES = nvram_offsets.c
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nvram_offsets_CFLAGS = $(AM_CFLAGS) \
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@ -47,4 +52,7 @@ freebl_sha1flattensize_LDFLAGS = \
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EXTRA_DIST = \
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freebl_sha1flattensize.c \
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base64decode.c \
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base64decode.sh
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base64decode.sh \
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common \
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tpm2_pcr_read.c \
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tpm2_pcr_read.sh
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13
tests/common
Normal file
13
tests/common
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@ -0,0 +1,13 @@
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# Get the size of a file in bytes
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#
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# @1: filename
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function get_filesize()
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{
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if [[ "$(uname -s)" =~ (Linux|CYGWIN_NT-) ]]; then
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stat -c%s $1
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else
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# OpenBSD
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stat -f%z $1
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fi
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}
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131
tests/tpm2_pcr_read.c
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131
tests/tpm2_pcr_read.c
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@ -0,0 +1,131 @@
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <libtpms/tpm_library.h>
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#include <libtpms/tpm_error.h>
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#include <libtpms/tpm_memory.h>
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int main(void)
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{
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unsigned char *rbuffer = NULL;
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uint32_t rlength;
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uint32_t rtotal = 0;
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TPM_RESULT res;
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int ret = 1;
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unsigned char startup[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
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0x01, 0x44, 0x00, 0x00
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};
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unsigned char tpm2_pcr_read[] = {
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0x80, 0x01, // TPM_ST_NO_SESSIONS
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0x00, 0x00, 0x00, 0x26, // command size
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0x00, 0x00, 0x01, 0x7e, // TPM_CC_PCR_Read
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0x00, 0x00, 0x00, 0x04, // TPML_PCR_SELECTION
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0x00, 0x04, // TPMI_ALG_HASH, SHA1=4
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0b, // TPMI_ALG_HASH, SHA256=11
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0c, // TPMI_ALG_HASH, SHA384=12
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0x03, // size of the select
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0x01, 0x00, 0x10, // pcrSelect
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0x00, 0x0d, // TPMI_ALG_HASH, SHA512=13
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0x03, // size of the select
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0x01, 0x00, 0x10 // pcrSelect
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};
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const unsigned char tpm2_pcr_read_exp_resp[] = {
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0x80, 0x01, 0x00, 0x00, 0x01, 0x86, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00,
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0x00, 0x04, 0x00, 0x04, 0x03, 0x01, 0x00, 0x10,
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0x00, 0x0b, 0x03, 0x01, 0x00, 0x10, 0x00, 0x0c,
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0x03, 0x01, 0x00, 0x10, 0x00, 0x0d, 0x03, 0x01,
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0x00, 0x10, 0x00, 0x00, 0x00, 0x08, 0x00, 0x14,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x30, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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res = TPMLIB_ChooseTPMVersion(TPMLIB_TPM_VERSION_2);
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assert(res == TPM_SUCCESS);
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res = TPMLIB_MainInit();
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if (res != TPM_SUCCESS) {
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fprintf(stderr, "TPMLIB_MainInit() failed\n");
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goto exit;
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}
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal, startup, sizeof(startup));
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if (res != TPM_SUCCESS) {
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fprintf(stderr, "TPMLIB_Process(Startup) failed\n");
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goto exit;
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}
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal,
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tpm2_pcr_read, sizeof(tpm2_pcr_read));
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if (res != TPM_SUCCESS) {
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fprintf(stderr, "TPMLIB_Process(TPM2_PCR_Read) failed\n");
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goto exit;
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}
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if (rlength != sizeof(tpm2_pcr_read_exp_resp)) {
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fprintf(stderr, "Expected response is %zu bytes, but got %u.\n",
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sizeof(tpm2_pcr_read_exp_resp), rlength);
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goto exit;
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}
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if (memcmp(rbuffer, tpm2_pcr_read_exp_resp, rlength)) {
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fprintf(stderr, "Expected response is different than received one.\n");
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goto exit;
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}
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ret = 0;
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exit:
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TPMLIB_Terminate();
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TPM_Free(rbuffer);
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return ret;
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}
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53
tests/tpm2_pcr_read.sh
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53
tests/tpm2_pcr_read.sh
Executable file
@ -0,0 +1,53 @@
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#!/usr/bin/env bash
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# For the license, see the LICENSE file in the root directory.
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ROOT=${abs_top_builddir:-$(pwd)/..}
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TESTDIR=${abs_top_testdir:-$(dirname "$0")}
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DIR=${PWD}
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WORKDIR=$(mktemp -d)
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export LD_LIBRARY_PATH=${LD_LIBRARY_PATH:-${ROOT}/src/.libs}
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. ${TESTDIR}/common
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case "$(uname -s)" in
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Linux)
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if ! [ -d ${LD_LIBRARY_PATH} ]; then
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echo "Wrong path to libtpms library: ${LD_LIBRARY_PATH}"
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exit 1
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fi
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if ! [ -f "$(readlink -f ${LD_LIBRARY_PATH}/libtpms.so)" ]; then
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echo "Cannot find libtpms at ${LD_LIBRARY_PATH}/libtpms.so"
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exit 1
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fi
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;;
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*)
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;;
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esac
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function cleanup()
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{
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rm -rf ${WORKDIR}
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}
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trap "cleanup" QUIT EXIT
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pushd $WORKDIR &>/dev/null
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${DIR}/tpm2_pcr_read
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rc=$?
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fs=$(get_filesize NVChip)
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[ $? -ne 0 ] && exit 1
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if [ $fs -ne 131072 ]; then
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echo "Error: Unexpected size of NVChip file."
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echo "Expected: 131072"
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echo "Got : $fs"
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rc=1
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fi
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popd &>/dev/null
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exit $rc
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