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[tor-commits] [tor/master] Add fuzzing wrapper for fetch_from_buf_socks()
commit 2d0e1cef20036412ed57c287553623293ab65031
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
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
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