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Add microdesc format fuzzer.

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This commit is contained in:
Nick Mathewson 2016-12-14 17:03:54 -05:00
parent 3c74855934
commit 4afb155db2
3 changed files with 63 additions and 1 deletions
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7
src/test/fuzz/dict/microdesc Normal file
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@ -0,0 +1,7 @@
"onion-key"
"ntor-onion-key"
"id"
"a"
"family"
"p"
"p6"

45
src/test/fuzz/fuzz_microdesc.c Normal file
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@ -0,0 +1,45 @@
#define ROUTERPARSE_PRIVATE
#include "or.h"
#include "routerparse.h"
#include "microdesc.h"
#include "fuzzing.h"
static void
mock_dump_desc__nodump(const char *desc, const char *type)
{
(void)desc;
(void)type;
}
int
fuzz_init(void)
{
disable_signature_checking();
MOCK(dump_desc, mock_dump_desc__nodump);
ed25519_init();
return 0;
}
int
fuzz_cleanup(void)
{
return 0;
}
int
fuzz_main(const uint8_t *data, size_t sz)
{
const char *str = (const char*) data;
smartlist_t *result = microdescs_parse_from_string((const char *)str,
str+sz,
0, SAVED_NOWHERE, NULL);
if (result) {
log_debug(LD_GENERAL, "Parsing okay: %d", smartlist_len(result));
SMARTLIST_FOREACH(result, microdesc_t *, md, microdesc_free(md));
smartlist_free(result);
} else {
log_debug(LD_GENERAL, "Parsing failed");
}
return 0;
}

12
src/test/fuzz/include.am
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@ -47,12 +47,22 @@ src_test_fuzz_fuzz_extrainfo_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_extrainfo_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_extrainfo_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_microdesc_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_microdesc.c
src_test_fuzz_fuzz_microdesc_CPPFLAGS = $(FUZZING_CPPFLAGS)
src_test_fuzz_fuzz_microdesc_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_microdesc_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_microdesc_LDADD = $(FUZZING_LIBS)
FUZZERS = \
src/test/fuzz/fuzz-descriptor \
src/test/fuzz/fuzz-extrainfo \
src/test/fuzz/fuzz-http
src/test/fuzz/fuzz-http \
src/test/fuzz/fuzz-microdesc
noinst_PROGRAMS += $(FUZZERS)
fuzzers: $(FUZZERS)