commit 2d0e1cef20036412ed57c287553623293ab65031 Author: Nick Mathewson nickm@torproject.org Date: Thu Jul 12 14:20:46 2018 -0400
Add fuzzing wrapper for fetch_from_buf_socks() --- scripts/codegen/fuzzing_include_am.py | 1 + src/test/fuzz/fuzz_socks.c | 50 +++++++++++++++++++++++++++++++++++ src/test/fuzz/include.am | 25 +++++++++++++++++- 3 files changed, 75 insertions(+), 1 deletion(-)
diff --git a/scripts/codegen/fuzzing_include_am.py b/scripts/codegen/fuzzing_include_am.py index 42a61876e..68f43379c 100755 --- a/scripts/codegen/fuzzing_include_am.py +++ b/scripts/codegen/fuzzing_include_am.py @@ -12,6 +12,7 @@ FUZZERS = """ http-connect iptsv2 microdesc + socks vrs """
diff --git a/src/test/fuzz/fuzz_socks.c b/src/test/fuzz/fuzz_socks.c new file mode 100644 index 000000000..14c25304b --- /dev/null +++ b/src/test/fuzz/fuzz_socks.c @@ -0,0 +1,50 @@ +/* Copyright (c) 2016-2018, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#include "orconfig.h" + +#define BUFFERS_PRIVATE +#include "core/or/or.h" + +#include "lib/container/buffers.h" +#include "lib/err/backtrace.h" +#include "lib/log/log.h" +#include "core/proto/proto_socks.h" +#include "feature/client/addressmap.h" + +#include "test/fuzz/fuzzing.h" + +int +fuzz_init(void) +{ + addressmap_init(); + return 0; +} + +int +fuzz_cleanup(void) +{ + addressmap_free_all(); + return 0; +} + +int +fuzz_main(const uint8_t *stdin_buf, size_t data_size) +{ + buf_t *buffer = buf_new_with_data((char*)stdin_buf, data_size); + if (!buffer) { + tor_assert(data_size==0); + buffer = buf_new(); + } + + socks_request_t *request = socks_request_new(); + + int r = fetch_from_buf_socks(buffer, request, 0, 0); + log_info(LD_GENERAL, "Socks request status: %d", r); + + /* Reset. */ + buf_free(buffer); + socks_request_free(request); + + return 0; +} diff --git a/src/test/fuzz/include.am b/src/test/fuzz/include.am index 87dfe9167..fe735a249 100644 --- a/src/test/fuzz/include.am +++ b/src/test/fuzz/include.am @@ -17,7 +17,7 @@ FUZZING_LIBS = \ @TOR_ZSTD_LIBS@
oss-fuzz-prereqs: \ - $(TOR_INTERNAL_TESTING_LIBS) + $(TOR_INTERNAL_TESTING_LIBS)
noinst_HEADERS += \ src/test/fuzz/fuzzing.h @@ -120,6 +120,14 @@ src_test_fuzz_fuzz_microdesc_CFLAGS = $(FUZZING_CFLAGS) src_test_fuzz_fuzz_microdesc_LDFLAGS = $(FUZZING_LDFLAG) src_test_fuzz_fuzz_microdesc_LDADD = $(FUZZING_LIBS)
+src_test_fuzz_fuzz_socks_SOURCES = \ + src/test/fuzz/fuzzing_common.c \ + src/test/fuzz/fuzz_socks.c +src_test_fuzz_fuzz_socks_CPPFLAGS = $(FUZZING_CPPFLAGS) +src_test_fuzz_fuzz_socks_CFLAGS = $(FUZZING_CFLAGS) +src_test_fuzz_fuzz_socks_LDFLAGS = $(FUZZING_LDFLAG) +src_test_fuzz_fuzz_socks_LDADD = $(FUZZING_LIBS) + src_test_fuzz_fuzz_vrs_SOURCES = \ src/test/fuzz/fuzzing_common.c \ src/test/fuzz/fuzz_vrs.c @@ -140,6 +148,7 @@ FUZZERS = \ src/test/fuzz/fuzz-http-connect \ src/test/fuzz/fuzz-iptsv2 \ src/test/fuzz/fuzz-microdesc \ + src/test/fuzz/fuzz-socks \ src/test/fuzz/fuzz-vrs
# ===== libfuzzer @@ -222,6 +231,13 @@ src_test_fuzz_lf_fuzz_microdesc_CFLAGS = $(LIBFUZZER_CFLAGS) src_test_fuzz_lf_fuzz_microdesc_LDFLAGS = $(LIBFUZZER_LDFLAG) src_test_fuzz_lf_fuzz_microdesc_LDADD = $(LIBFUZZER_LIBS)
+src_test_fuzz_lf_fuzz_socks_SOURCES = \ + $(src_test_fuzz_fuzz_socks_SOURCES) +src_test_fuzz_lf_fuzz_socks_CPPFLAGS = $(LIBFUZZER_CPPFLAGS) +src_test_fuzz_lf_fuzz_socks_CFLAGS = $(LIBFUZZER_CFLAGS) +src_test_fuzz_lf_fuzz_socks_LDFLAGS = $(LIBFUZZER_LDFLAG) +src_test_fuzz_lf_fuzz_socks_LDADD = $(LIBFUZZER_LIBS) + src_test_fuzz_lf_fuzz_vrs_SOURCES = \ $(src_test_fuzz_fuzz_vrs_SOURCES) src_test_fuzz_lf_fuzz_vrs_CPPFLAGS = $(LIBFUZZER_CPPFLAGS) @@ -241,6 +257,7 @@ LIBFUZZER_FUZZERS = \ src/test/fuzz/lf-fuzz-http-connect \ src/test/fuzz/lf-fuzz-iptsv2 \ src/test/fuzz/lf-fuzz-microdesc \ + src/test/fuzz/lf-fuzz-socks \ src/test/fuzz/lf-fuzz-vrs
else @@ -305,6 +322,11 @@ src_test_fuzz_liboss_fuzz_microdesc_a_SOURCES = \ src_test_fuzz_liboss_fuzz_microdesc_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS) src_test_fuzz_liboss_fuzz_microdesc_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
+src_test_fuzz_liboss_fuzz_socks_a_SOURCES = \ + $(src_test_fuzz_fuzz_socks_SOURCES) +src_test_fuzz_liboss_fuzz_socks_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS) +src_test_fuzz_liboss_fuzz_socks_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS) + src_test_fuzz_liboss_fuzz_vrs_a_SOURCES = \ $(src_test_fuzz_fuzz_vrs_SOURCES) src_test_fuzz_liboss_fuzz_vrs_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS) @@ -322,6 +344,7 @@ OSS_FUZZ_FUZZERS = \ src/test/fuzz/liboss-fuzz-http-connect.a \ src/test/fuzz/liboss-fuzz-iptsv2.a \ src/test/fuzz/liboss-fuzz-microdesc.a \ + src/test/fuzz/liboss-fuzz-socks.a \ src/test/fuzz/liboss-fuzz-vrs.a
else