74 lines
2.8 KiB
Bash
Executable File
74 lines
2.8 KiB
Bash
Executable File
#!/bin/bash -eux
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# Copyright 2017 Google Inc.
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# List of dissectors compiled below, which should be turned off.
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# This is done to avoid single fuzzer (like IP) to call UDP protocols, which can go back to IP, and so on..
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# While doing so might find some bugs, but it's likely to be the problem for too big corpus in oss-fuzzer
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# (see: https://github.com/google/oss-fuzz/issues/1087).
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# + udplite - it's sharing most of code with UDP.
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DISSECTOR_LIST='"ip", "udp", "udplite", "ospf", "bgp", "bootp", "json"'
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FUZZ_DISSECTORS="ip"
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FUZZ_IP_PROTO_DISSECTORS="udp ospf"
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FUZZ_TCP_PORT_DISSECTORS="bgp"
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# FUZZ_TCP_PORT_DISSECTORS="$FUZZ_TCP_PORT_DISSECTORS bzr" # disabled, cause of known problem.
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# FUZZ_TCP_PORT_DISSECTORS="$FUZZ_TCP_PORT_DISSECTORS echo" # disabled, too simple.
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FUZZ_UDP_PORT_DISSECTORS="dns bootp"
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# FUZZ_UDP_PORT_DISSECTORS="$FUZZ_UDP_PORT_DISSECTORS bfd" # disabled, too simple.
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FUZZ_MEDIA_TYPE_DISSECTORS="json"
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# TODO: support specifing targets in args. Google oss-fuzz specifies 'all'.
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# generate_fuzzer <fuzzer_target> <fuzzer_cflags>
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generate_fuzzer()
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{
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local fuzzer_target="$1" fuzzer_cflags="$2" fuzzer_name
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fuzzer_name="fuzzshark_$1"
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# -I$SRC/wireshark is correct, wireshark don't install header files.
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$CC $CFLAGS -I $SRC/wireshark/ `pkg-config --cflags glib-2.0` \
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$SRC/wireshark/tools/oss-fuzzshark/fuzzshark.c \
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-c -o $WORK/${fuzzer_name}.o \
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$fuzzer_cflags -DFUZZ_DISSECTOR_LIST="$DISSECTOR_LIST"
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$CXX $CXXFLAGS $WORK/${fuzzer_name}.o \
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-o $OUT/${fuzzer_name} \
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${WIRESHARK_FUZZERS_COMMON_FLAGS}
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echo -en "[libfuzzer]\nmax_len = 1024\n" > $OUT/${fuzzer_name}.options
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if [ -d "$SAMPLES_DIR/${fuzzer_target}" ]; then
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zip -j $OUT/${fuzzer_name}_seed_corpus.zip $SAMPLES_DIR/${fuzzer_target}/*/*.bin
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fi
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}
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WIRESHARK_FUZZERS_COMMON_FLAGS="-lFuzzingEngine \
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-L"$WIRESHARK_INSTALL_PATH/lib" -lwireshark -lwiretap -lwsutil \
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-Wl,-Bstatic `pkg-config --libs glib-2.0` -pthread -lpcre -lgcrypt -lgpg-error -lz -Wl,-Bdynamic"
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for dissector in $FUZZ_DISSECTORS; do
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generate_fuzzer "${dissector}" -DFUZZ_DISSECTOR_TARGET=\"$dissector\"
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done
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for dissector in $FUZZ_IP_PROTO_DISSECTORS; do
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generate_fuzzer "ip_proto-${dissector}" "-DFUZZ_DISSECTOR_TABLE=\"ip.proto\" -DFUZZ_DISSECTOR_TARGET=\"$dissector\""
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done
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for dissector in $FUZZ_TCP_PORT_DISSECTORS; do
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generate_fuzzer "tcp_port-${dissector}" "-DFUZZ_DISSECTOR_TABLE=\"tcp.port\" -DFUZZ_DISSECTOR_TARGET=\"$dissector\""
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done
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for dissector in $FUZZ_UDP_PORT_DISSECTORS; do
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generate_fuzzer "udp_port-${dissector}" "-DFUZZ_DISSECTOR_TABLE=\"udp.port\" -DFUZZ_DISSECTOR_TARGET=\"$dissector\""
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done
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for dissector in $FUZZ_MEDIA_TYPE_DISSECTORS; do
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generate_fuzzer "media_type-${dissector}" "-DFUZZ_DISSECTOR_TABLE=\"media_type\" -DFUZZ_DISSECTOR_TARGET=\"$dissector\""
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done
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