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PWD:=$(shell pwd)/
ROOT:=$(PWD)../../../
BUILD_DIR:=$(PWD)build/
TEST_CACHE_SRC:=$(PWD)cache.c
TEST_CACHE_OBJ:=$(BUILD_DIR)cache
TEST_DATA_DIR:=$(BUILD_DIR)in/
CACHE_INPUT:=$(TEST_DATA_DIR)in
QEMU_OUT:=$(BUILD_DIR)qemu-out
FRIDA_OUT:=$(BUILD_DIR)frida-out
ADDR_BIN:=$(ROOT)frida_mode/build/addr
GET_SYMBOL_ADDR:=$(ROOT)frida_mode/util/get_symbol_addr.sh
AFLPP_FRIDA_DRIVER_HOOK_OBJ=$(ROOT)frida_mode/build/frida_hook.so
AFL_FRIDA_BASE_ADDR:=$(shell $(ADDR_BIN))
AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(TEST_CACHE_OBJ) LLVMFuzzerTestOneInput $(AFL_FRIDA_BASE_ADDR))
DUMMY_DATA_FILE:=$(BUILD_DIR)dummy.dat
.PHONY: all 32 clean frida frida_noinst debug format
all: $(TEST_CACHE_OBJ)
make -C $(ROOT)frida_mode/
32:
CFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
$(BUILD_DIR):
mkdir -p $@
$(TEST_DATA_DIR): | $(BUILD_DIR)
mkdir -p $@
$(CACHE_INPUT): | $(TEST_DATA_DIR)
echo -n "ABC" > $@
$(TEST_CACHE_OBJ): $(TEST_CACHE_SRC) | $(BUILD_DIR)
$(CC) -g $(CFLAGS) $(LDFLAGS) $< -o $@
########## DUMMY #######
$(DUMMY_DATA_FILE): | $(BUILD_DIR)
dd if=/dev/zero bs=1048576 count=1 of=$@
frida: $(TEST_CACHE_OBJ) $(CACHE_INPUT) $(DUMMY_DATA_FILE)
AFL_FRIDA_INST_INSN=1 \
AFL_FRIDA_PERSISTENT_CNT=1000000 \
AFL_FRIDA_PERSISTENT_HOOK=$(AFLPP_FRIDA_DRIVER_HOOK_OBJ) \
AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
AFL_ENTRYPOINT=$(AFL_FRIDA_PERSISTENT_ADDR) \
$(ROOT)afl-fuzz \
-O \
-i $(TEST_DATA_DIR) \
-o $(FRIDA_OUT) \
-Z \
-t 10000+ \
-- \
$(TEST_CACHE_OBJ) $(DUMMY_DATA_FILE)
frida_nocache: $(TEST_CACHE_OBJ) $(CACHE_INPUT) $(DUMMY_DATA_FILE)
AFL_FRIDA_INST_NO_CACHE=1 \
AFL_FRIDA_PERSISTENT_CNT=1000000 \
AFL_FRIDA_PERSISTENT_HOOK=$(AFLPP_FRIDA_DRIVER_HOOK_OBJ) \
AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
AFL_ENTRYPOINT=$(AFL_FRIDA_PERSISTENT_ADDR) \
$(ROOT)afl-fuzz \
-O \
-i $(TEST_DATA_DIR) \
-o $(FRIDA_OUT) \
-Z \
-- \
$(TEST_CACHE_OBJ) $(DUMMY_DATA_FILE)
debug: $(TEST_CACHE_OBJ) $(CACHE_INPUT)
gdb \
--ex 'set environment LD_PRELOAD=$(ROOT)afl-frida-trace.so' \
--ex 'set disassembly-flavor intel' \
--ex 'r $(CACHE_INPUT)' \
--args $(TEST_CACHE_OBJ) $(CACHE_INPUT)
show: $(TEST_CACHE_OBJ) $(CACHE_INPUT)
gdb \
--ex "set disassembly-flavor intel" \
--ex "set confirm off" \
--ex "symbol-file $(TEST_CACHE_OBJ)" \
--ex "x/50i LLVMFuzzerTestOneInput" \
--ex "r" \
--args $(TEST_CACHE_OBJ) $(CACHE_INPUT)
clean:
rm -rf $(BUILD_DIR)
format:
cd $(ROOT) && echo $(TEST_CACHE_SRC) | xargs -L1 ./.custom-format.py -i
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