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-rw-r--r--Makefile52
1 files changed, 49 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 1950016..1ea5bb4 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,11 @@ BUILD_DIR := build
RELEASE_OPTIMIZE_FLAGS ?= -g -O3
DEBUG_OPTIMIZE_FLAGS ?= -g -O0
JS_OPTIMIZE_FLAGS ?= -O3
+FUZZING_OPTIMIZE_FLAGS ?= -O3
CC = gcc
EMCC = emcc
+AFL_CC = afl_gcc
+AFL_CXX = afl-g++
RELEASE_TARGET := $(BUILD_DIR)/libolm.so
DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.so
JS_TARGET := javascript/olm.js
@@ -17,6 +20,10 @@ PUBLIC_HEADERS := include/olm/olm.hh
SOURCES := $(wildcard src/*.cpp) $(wildcard src/*.c)
RELEASE_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/release/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
DEBUG_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/debug/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
+FUZZER_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/fuzzers/objects/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
+FUZZER_SOURCES := $(wildcard fuzzers/fuzz_*.cpp) $(wildcard fuzzers/fuzz_*.c)
+FUZZER_BINARIES := $(patsubst fuzzers/%,$(BUILD_DIR)/fuzzers/%,$(patsubst %.c,%,$(patsubst %.cpp,%,$(FUZZER_SOURCES))))
+FUZZER_DEBUG_BINARIES := $(patsubst $(BUILD_DIR)/fuzzers/fuzz_%,$(BUILD_DIR)/fuzzers/debug_%,$(FUZZER_BINARIES))
TEST_SOURCES := $(wildcard tests/test_*.cpp) $(wildcard tests/test_*.c)
TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/tests/%,$(patsubst %.c,%,$(patsubst %.cpp,%,$(TEST_SOURCES))))
JS_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/javascript/%,$(patsubst %.c,%.js.bc,$(patsubst %.cpp,%.js.bc,$(SOURCES))))
@@ -37,6 +44,11 @@ EMCC.c = $(EMCC) $(CFLAGS) $(CPPFLAGS) -c
EMCC.cc = $(EMCC) $(CXXFLAGS) $(CPPFLAGS) -c
EMCC_LINK = $(EMCC) $(LDFLAGS) $(EMCCFLAGS)
+AFL.c = $(AFL_CC) $(CFLAGS) $(CPPFLAGS) -c
+AFL.cc = $(AFL_CXX) $(CXXFLAGS) $(CPPFLAGS) -c
+AFL_LINK.c = $(AFL_CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS)
+AFL_LINK.cc = $(AFL_CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS)
+
# generate .d files when compiling
CPPFLAGS += -MMD
@@ -53,6 +65,13 @@ $(DEBUG_TARGET): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
$(TEST_BINARIES): CPPFLAGS += -Itests/include
$(TEST_BINARIES): LDFLAGS += $(TEST_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
+$(FUZZER_OBJECTS): CFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
+$(FUZZER_OBJECTS): CXXFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
+$(FUZZER_BINARIES): CPPFLAGS += -Ifuzzers/include
+$(FUZZER_BINARIES): LDFLAGS += $(FUZZER_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
+$(FUZZER_DEBUG_BINARIES): CPPFLAGS += -Ifuzzers/include
+$(FUZZER_DEBUG_BINARIES): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
+
$(JS_OBJECTS): CFLAGS += $(JS_OPTIMIZE_FLAGS)
$(JS_OBJECTS): CXXFLAGS += $(JS_OPTIMIZE_FLAGS)
$(JS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
@@ -65,9 +84,11 @@ lib: $(RELEASE_TARGET)
# Make sure that the build directory exists.
# We can't check the build directory into git because it is empty.
makedirs:
- mkdir -p $(BUILD_DIR)/release $(BUILD_DIR)/debug $(BUILD_DIR)/javascript $(BUILD_DIR)/tests
+ mkdir -p $(BUILD_DIR)/release $(BUILD_DIR)/debug $(BUILD_DIR)/javascript\
+ $(BUILD_DIR)/tests $(BUILD_DIR)/fuzzers/objects
.PHONY: makedirs
+
$(RELEASE_TARGET): $(RELEASE_OBJECTS)
$(CXX) $(LDFLAGS) --shared -fPIC \
-Wl,--version-script,version_script.ver \
@@ -81,7 +102,6 @@ $(DEBUG_TARGET): $(DEBUG_OBJECTS)
-Wl,--version-script,version_script.ver \
$(OUTPUT_OPTION) $(DEBUG_OBJECTS)
-
js: $(JS_TARGET)
.PHONY: js
@@ -96,8 +116,11 @@ clean:;
$(DEBUG_OBJECTS) $(DEBUG_OBJECTS:.o=.d) \
$(TEST_BINARIES) $(TEST_BINARIES:=.d) \
$(JS_OBJECTS) $(JS_OBJECTS:.bc=.d) $(JS_TARGET) \
- $(JS_EXPORTED_FUNCTIONS) \
+ $(JS_EXPORTED_FUNCTIONS)\
$(RELEASE_TARGET) $(DEBUG_TARGET)\
+ $(FUZZER_OBJECTS) $(FUZZER_OBJECTS:.o=.d)\
+ $(FUZZER_BINARIES) $(FUZZER_BINARIES:=.d)\
+ $(FUZZER_DEBUG_BINARIES) $(FUZZER_DEBUG_BINARIES:=.d)\
build_tests: $(TEST_BINARIES)
@@ -107,6 +130,9 @@ test: build_tests
$$i || exit $$?; \
done
+fuzzers: $(FUZZER_BINARIES) $(FUZZER_DEBUG_BINARIES)
+.PHONY: fuzzers
+
$(JS_EXPORTED_FUNCTIONS): $(PUBLIC_HEADERS)
perl -MJSON -ne '/(olm_[^( ]*)\(/ && push @f, "_$$1"; END { print encode_json \@f }' $^ > $@.tmp
mv $@.tmp $@
@@ -139,6 +165,23 @@ $(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+$(BUILD_DIR)/fuzzers/objects/%.o: src/%.c | makedirs
+ $(AFL.c) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/fuzzers/objects/%.o: src/%.cpp | makedirs
+ $(AFL.cc) $(OUTPUT_OPTION) $<
+
+$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.c $(FUZZER_OBJECTS)
+ $(AFL_LINK.c) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+
+$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.cpp $(FUZZER_OBJECTS)
+ $(AFL_LINK.cc) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+
+$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.c $(DEBUG_OBJECTS)
+ $(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
+
+$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.cpp $(DEBUG_OBJECTS)
+ $(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
### dependencies
@@ -146,3 +189,6 @@ $(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
-include $(DEBUG_OBJECTS:.o=.d)
-include $(JS_OBJECTS:.bc=.d)
-include $(TEST_BINARIES:=.d)
+-include $(FUZZER_OBJECTS:.o=.d)
+-include $(FUZZER_BINARIES:=.d)
+-include $(FUZZER_DEBUG_BINARIES:=.d)