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authorvan Hauser <vh@thc.org>2021-11-27 13:49:10 +0100
committerGitHub <noreply@github.com>2021-11-27 13:49:10 +0100
commita37c6eef3ff9aadafffee381add1dd7a13d13ca9 (patch)
treeb42a29fdfe9141c5f80d6303ce35597586ca079e
parent55ed2a443c5c61baba37415d4087164454d8a2a8 (diff)
parente323512ca15162665d8d4b5db0bf41505b7f060b (diff)
downloadafl++-a37c6eef3ff9aadafffee381add1dd7a13d13ca9.tar.gz
Merge pull request #1184 from WorksButNotTested/bloaty
Added bloaty test
-rw-r--r--frida_mode/test/bloaty/GNUmakefile114
-rw-r--r--frida_mode/test/bloaty/Makefile13
-rwxr-xr-xfrida_mode/test/bloaty/get_symbol_addr.py36
3 files changed, 163 insertions, 0 deletions
diff --git a/frida_mode/test/bloaty/GNUmakefile b/frida_mode/test/bloaty/GNUmakefile
new file mode 100644
index 00000000..7ef4fe81
--- /dev/null
+++ b/frida_mode/test/bloaty/GNUmakefile
@@ -0,0 +1,114 @@
+PWD:=$(shell pwd)/
+ROOT:=$(PWD)../../../
+BUILD_DIR:=$(PWD)build/
+
+AFLPP_FRIDA_DRIVER_HOOK_OBJ=$(ROOT)frida_mode/build/frida_hook.so
+AFLPP_QEMU_DRIVER_HOOK_OBJ=$(ROOT)frida_mode/build/qemu_hook.so
+
+# LIBFUZZER_LIB:=/usr/lib/llvm-12/lib/libFuzzer.a
+
+BLOATY_GIT_REPO:=https://github.com/google/bloaty.git
+BLOATY_DIR:=$(BUILD_DIR)bloaty/
+TEST_BIN:=$(BLOATY_DIR)fuzz_target
+
+ifeq "$(shell uname)" "Darwin"
+TEST_BIN_LDFLAGS:=-undefined dynamic_lookup -Wl,-no_pie
+endif
+
+TEST_DATA_DIR:=$(BUILD_DIR)in/
+TEST_DATA_SRC:=$(BLOATY_DIR)tests/testdata/fuzz_corpus/
+DUMMY_DATA_FILE:=$(BUILD_DIR)default_seed
+
+FRIDA_OUT:=$(BUILD_DIR)frida-out
+QEMU_OUT:=$(BUILD_DIR)qemu-out
+
+ifndef ARCH
+
+ARCH=$(shell uname -m)
+ifeq "$(ARCH)" "aarch64"
+ ARCH:=arm64
+endif
+
+ifeq "$(ARCH)" "i686"
+ ARCH:=x86
+endif
+endif
+
+GET_SYMBOL_ADDR:=$(ROOT)frida_mode/util/get_symbol_addr.sh
+
+AFL_QEMU_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(TEST_BIN) LLVMFuzzerTestOneInput 0x4000000000)
+
+ifeq "$(ARCH)" "aarch64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(TEST_BIN) LLVMFuzzerTestOneInput 0x0000aaaaaaaaa000)
+endif
+
+ifeq "$(ARCH)" "x86_64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(TEST_BIN) LLVMFuzzerTestOneInput 0x0000555555554000)
+endif
+
+ifeq "$(ARCH)" "x86"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(TEST_BIN) LLVMFuzzerTestOneInput 0x56555000)
+endif
+
+.PHONY: all clean frida hook
+
+all: $(TEST_BIN)
+	make -C $(ROOT)frida_mode/
+
+32:
+	CXXFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
+
+$(BUILD_DIR):
+	mkdir -p $@
+
+########## BLOATY #######
+
+$(BLOATY_DIR): | $(BUILD_DIR)
+	git clone --depth 1 $(BLOATY_GIT_REPO) $@
+
+$(TEST_BIN): $(BLOATY_DIR)
+	cd $(BLOATY_DIR) && CC=clang CXX=clang++ CCC=clang++ LIB_FUZZING_ENGINE="-fsanitize=fuzzer" cmake -G Ninja -DBUILD_TESTING=false $(BLOATY_DIR)
+	cd $(BLOATY_DIR) && CC=clang CXX=clang++ CCC=clang++ ninja -j $(shell nproc)
+
+########## DUMMY #######
+
+$(TEST_DATA_DIR): | $(BLOATY_DIR) $(BUILD_DIR)
+	cp -av $(TEST_DATA_SRC) $@
+
+$(DUMMY_DATA_FILE): | $(TEST_DATA_DIR)
+	dd if=/dev/zero bs=1048576 count=1 of=$@
+
+###### TEST DATA #######
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+frida: $(TEST_BIN) $(AFLPP_FRIDA_DRIVER_HOOK_OBJ) $(TEST_DATA_FILE) $(DUMMY_DATA_FILE)
+	AFL_FRIDA_PERSISTENT_CNT=1000000 \
+	AFL_FRIDA_PERSISTENT_HOOK=$(AFLPP_FRIDA_DRIVER_HOOK_OBJ) \
+	AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	AFL_ENTRYPOINT=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	$(ROOT)afl-fuzz \
+		-i $(TEST_DATA_DIR) \
+		-o $(FRIDA_OUT) \
+		-m none \
+		-d \
+		-O \
+		-V 30 \
+		-- \
+			$(TEST_BIN) $(DUMMY_DATA_FILE)
+
+qemu: $(TEST_BIN) $(AFLPP_QEMU_DRIVER_HOOK_OBJ) $(TEST_DATA_FILE) $(DUMMY_DATA_FILE)
+	AFL_QEMU_PERSISTENT_CNT=1000000 \
+	AFL_QEMU_PERSISTENT_HOOK=$(AFLPP_QEMU_DRIVER_HOOK_OBJ) \
+	AFL_QEMU_PERSISTENT_ADDR=$(AFL_QEMU_PERSISTENT_ADDR) \
+	AFL_ENTRYPOINT=$(AFL_QEMU_PERSISTENT_ADDR) \
+	$(ROOT)afl-fuzz \
+		-i $(TEST_DATA_DIR) \
+		-o $(QEMU_OUT) \
+		-m none \
+		-d \
+		-Q \
+		-V 30 \
+		-- \
+			$(TEST_BIN) $(DUMMY_DATA_FILE)
diff --git a/frida_mode/test/bloaty/Makefile b/frida_mode/test/bloaty/Makefile
new file mode 100644
index 00000000..07b139e9
--- /dev/null
+++ b/frida_mode/test/bloaty/Makefile
@@ -0,0 +1,13 @@
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
+
+32:
+	@echo trying to use GNU make...
+	@gmake 32 || echo please install GNUmake
+
+clean:
+	@gmake clean
+
+frida:
+	@gmake frida
diff --git a/frida_mode/test/bloaty/get_symbol_addr.py b/frida_mode/test/bloaty/get_symbol_addr.py
new file mode 100755
index 00000000..1c46e010
--- /dev/null
+++ b/frida_mode/test/bloaty/get_symbol_addr.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+import argparse
+from elftools.elf.elffile import ELFFile
+
+def process_file(file, symbol, base):
+    with open(file, 'rb') as f:
+        elf = ELFFile(f)
+        symtab = elf.get_section_by_name('.symtab')
+        mains = symtab.get_symbol_by_name(symbol)
+        if len(mains) != 1:
+            print ("Failed to find main")
+            return 1
+
+        main_addr = mains[0]['st_value']
+        main = base + main_addr
+        print ("0x%016x" % main)
+        return 0
+
+def hex_value(x):
+    return int(x, 16)
+
+def main():
+    parser = argparse.ArgumentParser(description='Process some integers.')
+    parser.add_argument('-f', '--file', dest='file', type=str,
+                    help='elf file name', required=True)
+    parser.add_argument('-s', '--symbol', dest='symbol', type=str,
+                    help='symbol name', required=True)
+    parser.add_argument('-b', '--base', dest='base', type=hex_value,
+                    help='elf base address', required=True)
+
+    args = parser.parse_args()
+    return process_file (args.file, args.symbol, args.base)
+
+if __name__ == "__main__":
+    ret = main()
+    exit(ret)