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https://github.com/stefanberger/libtpms
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b214dabfc8
There were a few issues with the oss-fuzz integration from commit
8373f09854 ("build-sys: add oss-fuzz
support").
When building on OSS-Fuzz, the projects should use the provided CFLAGS
and CXXFLAGS and don't append any extra sanitization / fuzzing flags.
$LIB_FUZZING_ENGINE is defined to set the library to link to, and it
is a c++ library, so we should build fuzzer with c++...
Now --enable-fuzzer is only used for -fsanitize=fuzzer.
Add a tests/fuzz-main.c as fallback, to run the corpus on other builds.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <assert.h>
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#include <libtpms/tpm_types.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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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
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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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unsigned char startup[] = {
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0x80, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x01, 0x44, 0x00, 0x00
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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, "Error: TPMLIB_MainInit() failed\n");
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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, "Error: TPMLIB_Process(Startup) failed\n");
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res = TPMLIB_Process(&rbuffer, &rlength, &rtotal, (unsigned char*)data, size);
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if (res != TPM_SUCCESS)
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fprintf(stderr, "Error: TPMLIB_Process(fuzz-command) failed\n");
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TPMLIB_Terminate();
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TPM_Free(rbuffer);
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return 0;
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}
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