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authorYour Name <you@example.com>2021-12-10 17:08:22 +0000
committerYour Name <you@example.com>2021-12-10 17:08:22 +0000
commit3ee6ff0f8c1c783b916cb6821d04c5e1da00af58 (patch)
treece6e2a2aa544f9bdd3b310b6bcb9f5a7b4a671b4
parent6ce72deb75163a8532ab3142cc1a9d8a1138459b (diff)
downloadafl++-3ee6ff0f8c1c783b916cb6821d04c5e1da00af58.tar.gz
Added test for libxml
-rw-r--r--frida_mode/test/libxml/GNUmakefile172
-rw-r--r--frida_mode/test/libxml/Makefile13
-rwxr-xr-xfrida_mode/test/libxml/get_symbol_addr.py36
3 files changed, 221 insertions, 0 deletions
diff --git a/frida_mode/test/libxml/GNUmakefile b/frida_mode/test/libxml/GNUmakefile
new file mode 100644
index 00000000..1d675187
--- /dev/null
+++ b/frida_mode/test/libxml/GNUmakefile
@@ -0,0 +1,172 @@
+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=$(ROOT)frida_mode/build/qemu_hook.so
+
+LIBXML_GIT_REPO:=https://gitlab.gnome.org/GNOME/libxml2.git
+LIBXML_DIR:=$(BUILD_DIR)libxml/
+LIBXML_BIN:=$(LIBXML_DIR).libs/libxml2.a
+
+TARGET_URL:=https://raw.githubusercontent.com/google/fuzzbench/master/benchmarks/libxml2-v2.9.2/target.cc
+TARGET_SRC:=$(BUILD_DIR)target.cc
+TARGET_OBJ:=$(BUILD_DIR)target.o
+
+HARNESS_URL:="https://raw.githubusercontent.com/llvm/llvm-project/main/compiler-rt/lib/fuzzer/standalone/StandaloneFuzzTargetMain.c"
+HARNESS_SRC:=$(BUILD_DIR)StandaloneFuzzTargetMain.c
+HARNESS_OBJ:=$(BUILD_DIR)StandaloneFuzzTargetMain.o
+
+TEST_BIN:=$(BUILD_DIR)test
+
+ifeq "$(shell uname)" "Darwin"
+TEST_BIN_LDFLAGS:=-undefined dynamic_lookup -Wl,-no_pie
+endif
+
+TEST_DATA_DIR:=$(BUILD_DIR)in/
+TEST_DATA_FILE:=$(TEST_DATA_DIR)default_seed
+DUMMY_DATA_FILE:=$(BUILD_DIR)dummy.dat
+
+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 $@
+
+########## LIBXML #######
+
+$(LIBXML_DIR): | $(BUILD_DIR)
+	git clone --depth 1 $(LIBXML_GIT_REPO) $@
+
+$(LIBXML_BIN): | $(LIBXML_DIR)
+	cd $(LIBXML_DIR) && git fetch --tags
+	cd $(LIBXML_DIR) && git checkout -f v2.9.2
+	cd $(LIBXML_DIR) && ./autogen.sh
+	cd $(LIBXML_DIR) && CCLD="$CXX $CXXFLAGS" ./configure --without-python --with-threads=no \
+    		--with-zlib=no --with-lzma=no
+	cd $(LIBXML_DIR) && make
+
+libxml: $(LIBXML_BIN)
+
+########## TARGET #######
+
+$(TARGET_SRC):
+	wget -O $@ $(TARGET_URL)
+
+$(TARGET_OBJ): $(TARGET_SRC) $(LIBXML_BIN)
+	$(CXX) \
+		$(CXXFLAGS) \
+		-std=c++11 \
+		-I $(LIBXML_DIR)include \
+		-c $< \
+		-o $@
+
+target: $(TARGET_OBJ)
+
+
+######### HARNESS ########
+$(HARNESS_SRC): | $(BUILD_DIR)
+	wget -O $@ $(HARNESS_URL)
+
+$(HARNESS_OBJ): $(HARNESS_SRC)
+	$(CC) $(CXXFLAGS) $(LDFLAGS) -o $@ -c $<
+
+harness: $(HARNESS_OBJ)
+
+######### TEST ########
+
+$(TEST_BIN): $(HARNESS_OBJ) $(TARGET_OBJ) $(LIBXML_BIN)
+	$(CXX) \
+		$(CFLAGS) \
+		-o $@ \
+		$(HARNESS_OBJ) \
+		$(TARGET_OBJ) \
+		$(LIBXML_BIN) \
+		$(LDFLAGS) \
+		$(TEST_BIN_LDFLAGS) \
+
+test: $(TEST_BIN)
+
+########## DUMMY #######
+
+$(DUMMY_DATA_FILE): | $(BUILD_DIR)
+	dd if=/dev/zero bs=1048576 count=1 of=$@
+
+###### TEST DATA #######
+
+$(TEST_DATA_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(TEST_DATA_FILE): | $(TEST_DATA_DIR)
+	dd if=/dev/zero bs=1048576 count=1 of=$@
+
+######           #######
+
+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/libxml/Makefile b/frida_mode/test/libxml/Makefile
new file mode 100644
index 00000000..07b139e9
--- /dev/null
+++ b/frida_mode/test/libxml/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/libxml/get_symbol_addr.py b/frida_mode/test/libxml/get_symbol_addr.py
new file mode 100755
index 00000000..1c46e010
--- /dev/null
+++ b/frida_mode/test/libxml/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)