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Merge remote-tracking branch 'haxxpop/fuzzing-hsv3'

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This commit is contained in:
Nick Mathewson 2017-08-28 13:46:24 -04:00
commit 18bc7fa70b
6 changed files with 113 additions and 11 deletions
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1
scripts/codegen/fuzzing_include_am.py
View File

@ -7,6 +7,7 @@ FUZZERS = """
diff-apply
extrainfo
hsdescv2
hsdescv3
http
iptsv2
microdesc

12
src/or/torcert.c
View File

@ -356,12 +356,12 @@ tor_make_rsa_ed25519_crosscert(const ed25519_public_key_t *ed_key,
*
* Return 0 on success, negative on failure.
*/
int
rsa_ed25519_crosscert_check(const uint8_t *crosscert,
const size_t crosscert_len,
const crypto_pk_t *rsa_id_key,
const ed25519_public_key_t *master_key,
const time_t reject_if_expired_before)
MOCK_IMPL(int,
rsa_ed25519_crosscert_check, (const uint8_t *crosscert,
const size_t crosscert_len,
const crypto_pk_t *rsa_id_key,
const ed25519_public_key_t *master_key,
const time_t reject_if_expired_before))
{
rsa_ed_crosscert_t *cc = NULL;
int rv;

11
src/or/torcert.h
View File

@ -75,11 +75,12 @@ ssize_t tor_make_rsa_ed25519_crosscert(const ed25519_public_key_t *ed_key,
const crypto_pk_t *rsa_key,
time_t expires,
uint8_t **cert);
int rsa_ed25519_crosscert_check(const uint8_t *crosscert,
const size_t crosscert_len,
const crypto_pk_t *rsa_id_key,
const ed25519_public_key_t *master_key,
const time_t reject_if_expired_before);
MOCK_DECL(int,
rsa_ed25519_crosscert_check, (const uint8_t *crosscert,
const size_t crosscert_len,
const crypto_pk_t *rsa_id_key,
const ed25519_public_key_t *master_key,
const time_t reject_if_expired_before));
or_handshake_certs_t *or_handshake_certs_new(void);
void or_handshake_certs_free(or_handshake_certs_t *certs);

6
src/test/fuzz/dict/hsdescv3 Normal file
View File

@ -0,0 +1,6 @@
"hs-descriptor"
"descriptor-lifetime"
"descriptor-signing-key-cert"
"revision-counter"
"superencrypted"
"signature"

71
src/test/fuzz/fuzz_hsdescv3.c Normal file
View File

@ -0,0 +1,71 @@
/* Copyright (c) 2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define ROUTERPARSE_PRIVATE
#define HS_DESCRIPTOR_PRIVATE
#include "crypto_ed25519.h"
#include "hs_descriptor.h"
#include "routerparse.h"
#include "util.h"
#include "torcert.h"
#include "fuzzing.h"
static void
mock_dump_desc__nodump(const char *desc, const char *type)
{
(void)desc;
(void)type;
}
static int
mock_rsa_ed25519_crosscert_check(const uint8_t *crosscert,
const size_t crosscert_len,
const crypto_pk_t *rsa_id_key,
const ed25519_public_key_t *master_key,
const time_t reject_if_expired_before)
{
(void) crosscert;
(void) crosscert_len;
(void) rsa_id_key;
(void) master_key;
(void) reject_if_expired_before;
return 0;
}
int
fuzz_init(void)
{
disable_signature_checking();
MOCK(dump_desc, mock_dump_desc__nodump);
MOCK(rsa_ed25519_crosscert_check, mock_rsa_ed25519_crosscert_check);
ed25519_init();
return 0;
}
int
fuzz_cleanup(void)
{
return 0;
}
int
fuzz_main(const uint8_t *data, size_t sz)
{
hs_descriptor_t *desc = NULL;
char *fuzzing_data = tor_memdup_nulterm(data, sz);
hs_desc_decode_descriptor(fuzzing_data, NULL, &desc);
if (desc) {
log_debug(LD_GENERAL, "Decoding okay");
hs_descriptor_free(desc);
} else {
log_debug(LD_GENERAL, "Decoding failed");
}
tor_free(fuzzing_data);
return 0;
}

23
src/test/fuzz/include.am
View File

@ -94,6 +94,14 @@ src_test_fuzz_fuzz_hsdescv2_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_hsdescv2_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_hsdescv2_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_hsdescv3_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_hsdescv3.c
src_test_fuzz_fuzz_hsdescv3_CPPFLAGS = $(FUZZING_CPPFLAGS)
src_test_fuzz_fuzz_hsdescv3_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_hsdescv3_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_hsdescv3_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_http_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_http.c
@ -133,6 +141,7 @@ FUZZERS = \
src/test/fuzz/fuzz-diff-apply \
src/test/fuzz/fuzz-extrainfo \
src/test/fuzz/fuzz-hsdescv2 \
src/test/fuzz/fuzz-hsdescv3 \
src/test/fuzz/fuzz-http \
src/test/fuzz/fuzz-iptsv2 \
src/test/fuzz/fuzz-microdesc \
@ -183,6 +192,13 @@ src_test_fuzz_lf_fuzz_hsdescv2_CFLAGS = $(LIBFUZZER_CFLAGS)
src_test_fuzz_lf_fuzz_hsdescv2_LDFLAGS = $(LIBFUZZER_LDFLAG)
src_test_fuzz_lf_fuzz_hsdescv2_LDADD = $(LIBFUZZER_LIBS)
src_test_fuzz_lf_fuzz_hsdescv3_SOURCES = \
$(src_test_fuzz_fuzz_hsdescv3_SOURCES)
src_test_fuzz_lf_fuzz_hsdescv3_CPPFLAGS = $(LIBFUZZER_CPPFLAGS)
src_test_fuzz_lf_fuzz_hsdescv3_CFLAGS = $(LIBFUZZER_CFLAGS)
src_test_fuzz_lf_fuzz_hsdescv3_LDFLAGS = $(LIBFUZZER_LDFLAG)
src_test_fuzz_lf_fuzz_hsdescv3_LDADD = $(LIBFUZZER_LIBS)
src_test_fuzz_lf_fuzz_http_SOURCES = \
$(src_test_fuzz_fuzz_http_SOURCES)
src_test_fuzz_lf_fuzz_http_CPPFLAGS = $(LIBFUZZER_CPPFLAGS)
@ -218,6 +234,7 @@ LIBFUZZER_FUZZERS = \
src/test/fuzz/lf-fuzz-diff-apply \
src/test/fuzz/lf-fuzz-extrainfo \
src/test/fuzz/lf-fuzz-hsdescv2 \
src/test/fuzz/lf-fuzz-hsdescv3 \
src/test/fuzz/lf-fuzz-http \
src/test/fuzz/lf-fuzz-iptsv2 \
src/test/fuzz/lf-fuzz-microdesc \
@ -260,6 +277,11 @@ src_test_fuzz_liboss_fuzz_hsdescv2_a_SOURCES = \
src_test_fuzz_liboss_fuzz_hsdescv2_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
src_test_fuzz_liboss_fuzz_hsdescv2_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
src_test_fuzz_liboss_fuzz_hsdescv3_a_SOURCES = \
$(src_test_fuzz_fuzz_hsdescv3_SOURCES)
src_test_fuzz_liboss_fuzz_hsdescv3_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
src_test_fuzz_liboss_fuzz_hsdescv3_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
src_test_fuzz_liboss_fuzz_http_a_SOURCES = \
$(src_test_fuzz_fuzz_http_SOURCES)
src_test_fuzz_liboss_fuzz_http_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
@ -287,6 +309,7 @@ OSS_FUZZ_FUZZERS = \
src/test/fuzz/liboss-fuzz-diff-apply.a \
src/test/fuzz/liboss-fuzz-extrainfo.a \
src/test/fuzz/liboss-fuzz-hsdescv2.a \
src/test/fuzz/liboss-fuzz-hsdescv3.a \
src/test/fuzz/liboss-fuzz-http.a \
src/test/fuzz/liboss-fuzz-iptsv2.a \
src/test/fuzz/liboss-fuzz-microdesc.a \