diff options
Diffstat (limited to 'CAN-binder/libs/nanopb/tests/fuzztest/fuzzstub.c')
| -rw-r--r-- | CAN-binder/libs/nanopb/tests/fuzztest/fuzzstub.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/CAN-binder/libs/nanopb/tests/fuzztest/fuzzstub.c b/CAN-binder/libs/nanopb/tests/fuzztest/fuzzstub.c deleted file mode 100644 index ec9e2afe..00000000 --- a/CAN-binder/libs/nanopb/tests/fuzztest/fuzzstub.c +++ /dev/null @@ -1,189 +0,0 @@ -/* Fuzz testing for the nanopb core. - * This can be used with external fuzzers, e.g. radamsa. - * It performs most of the same checks as fuzztest, but does not feature data generation. - */ - -#include <pb_decode.h> -#include <pb_encode.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <time.h> -#include <malloc_wrappers.h> -#include "alltypes_static.pb.h" -#include "alltypes_pointer.pb.h" - -#define BUFSIZE 4096 - -static bool do_static_decode(uint8_t *buffer, size_t msglen, bool assert_success) -{ - pb_istream_t stream; - bool status; - - alltypes_static_AllTypes *msg = malloc_with_check(sizeof(alltypes_static_AllTypes)); - stream = pb_istream_from_buffer(buffer, msglen); - status = pb_decode(&stream, alltypes_static_AllTypes_fields, msg); - - if (!status && assert_success) - { - /* Anything that was successfully encoded, should be decodeable. - * One exception: strings without null terminator are encoded up - * to end of buffer, but refused on decode because the terminator - * would not fit. */ - if (strcmp(stream.errmsg, "string overflow") != 0) - assert(status); - } - - free_with_check(msg); - return status; -} - -static bool do_pointer_decode(uint8_t *buffer, size_t msglen, bool assert_success) -{ - pb_istream_t stream; - bool status; - alltypes_pointer_AllTypes *msg; - - msg = malloc_with_check(sizeof(alltypes_pointer_AllTypes)); - memset(msg, 0, sizeof(alltypes_pointer_AllTypes)); - stream = pb_istream_from_buffer(buffer, msglen); - - assert(get_alloc_count() == 0); - status = pb_decode(&stream, alltypes_pointer_AllTypes_fields, msg); - - if (assert_success) - assert(status); - - pb_release(alltypes_pointer_AllTypes_fields, msg); - assert(get_alloc_count() == 0); - - free_with_check(msg); - - return status; -} - -/* Do a decode -> encode -> decode -> encode roundtrip */ -static void do_static_roundtrip(uint8_t *buffer, size_t msglen) -{ - bool status; - uint8_t *buf2 = malloc_with_check(BUFSIZE); - uint8_t *buf3 = malloc_with_check(BUFSIZE); - size_t msglen2, msglen3; - alltypes_static_AllTypes *msg1 = malloc_with_check(sizeof(alltypes_static_AllTypes)); - alltypes_static_AllTypes *msg2 = malloc_with_check(sizeof(alltypes_static_AllTypes)); - memset(msg1, 0, sizeof(alltypes_static_AllTypes)); - memset(msg2, 0, sizeof(alltypes_static_AllTypes)); - - { - pb_istream_t stream = pb_istream_from_buffer(buffer, msglen); - status = pb_decode(&stream, alltypes_static_AllTypes_fields, msg1); - assert(status); - } - - { - pb_ostream_t stream = pb_ostream_from_buffer(buf2, BUFSIZE); - status = pb_encode(&stream, alltypes_static_AllTypes_fields, msg1); - assert(status); - msglen2 = stream.bytes_written; - } - - { - pb_istream_t stream = pb_istream_from_buffer(buf2, msglen2); - status = pb_decode(&stream, alltypes_static_AllTypes_fields, msg2); - assert(status); - } - - { - pb_ostream_t stream = pb_ostream_from_buffer(buf3, BUFSIZE); - status = pb_encode(&stream, alltypes_static_AllTypes_fields, msg2); - assert(status); - msglen3 = stream.bytes_written; - } - - assert(msglen2 == msglen3); - assert(memcmp(buf2, buf3, msglen2) == 0); - - free_with_check(msg1); - free_with_check(msg2); - free_with_check(buf2); - free_with_check(buf3); -} - -/* Do decode -> encode -> decode -> encode roundtrip */ -static void do_pointer_roundtrip(uint8_t *buffer, size_t msglen) -{ - bool status; - uint8_t *buf2 = malloc_with_check(BUFSIZE); - uint8_t *buf3 = malloc_with_check(BUFSIZE); - size_t msglen2, msglen3; - alltypes_pointer_AllTypes *msg1 = malloc_with_check(sizeof(alltypes_pointer_AllTypes)); - alltypes_pointer_AllTypes *msg2 = malloc_with_check(sizeof(alltypes_pointer_AllTypes)); - memset(msg1, 0, sizeof(alltypes_pointer_AllTypes)); - memset(msg2, 0, sizeof(alltypes_pointer_AllTypes)); - - { - pb_istream_t stream = pb_istream_from_buffer(buffer, msglen); - status = pb_decode(&stream, alltypes_pointer_AllTypes_fields, msg1); - assert(status); - } - - { - pb_ostream_t stream = pb_ostream_from_buffer(buf2, BUFSIZE); - status = pb_encode(&stream, alltypes_pointer_AllTypes_fields, msg1); - assert(status); - msglen2 = stream.bytes_written; - } - - { - pb_istream_t stream = pb_istream_from_buffer(buf2, msglen2); - status = pb_decode(&stream, alltypes_pointer_AllTypes_fields, msg2); - assert(status); - } - - { - pb_ostream_t stream = pb_ostream_from_buffer(buf3, BUFSIZE); - status = pb_encode(&stream, alltypes_pointer_AllTypes_fields, msg2); - assert(status); - msglen3 = stream.bytes_written; - } - - assert(msglen2 == msglen3); - assert(memcmp(buf2, buf3, msglen2) == 0); - - pb_release(alltypes_pointer_AllTypes_fields, msg1); - pb_release(alltypes_pointer_AllTypes_fields, msg2); - free_with_check(msg1); - free_with_check(msg2); - free_with_check(buf2); - free_with_check(buf3); -} - -static void run_iteration() -{ - uint8_t *buffer = malloc_with_check(BUFSIZE); - size_t msglen; - bool status; - - msglen = fread(buffer, 1, BUFSIZE, stdin); - - status = do_static_decode(buffer, msglen, false); - - if (status) - do_static_roundtrip(buffer, msglen); - - status = do_pointer_decode(buffer, msglen, false); - - if (status) - do_pointer_roundtrip(buffer, msglen); - - free_with_check(buffer); -} - -int main(int argc, char **argv) -{ - run_iteration(); - - return 0; -} - |