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Makefile
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#
# american fuzzy lop - makefile
# -----------------------------
#
# Written and maintained by Michal Zalewski <[email protected]>
#
# Copyright 2013, 2014, 2015, 2016 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
PROGNAME = afl
VERSION = $(shell grep '^\#define VERSION ' config.h | cut -d '"' -f2)
PREFIX ?= /usr/local
BIN_PATH = $(PREFIX)/bin
HELPER_PATH = $(PREFIX)/lib/afl
DOC_PATH = $(PREFIX)/share/doc/afl
MISC_PATH = $(PREFIX)/share/afl
# PROGS intentionally omit afl-as and libdislocator.so, which get installed
# to a different location.
PROGS = afl-gcc afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
SH_PROGS = afl-plot afl-cmin afl-whatsup
CFLAGS ?= -O3 -funroll-loops
CFLAGS += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign \
-DAFL_PATH=\"$(HELPER_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\" \
-DBIN_PATH=\"$(BIN_PATH)\"
ifneq "$(filter Linux GNU%,$(shell uname))" ""
LDFLAGS += -ldl
endif
ifeq "$(findstring clang, $(shell $(CC) --version 2>/dev/null))" ""
TEST_CC = afl-gcc
else
TEST_CC = afl-clang
endif
COMM_HDR = alloc-inl.h config.h debug.h types.h
all: test_x86 $(PROGS) afl-as libdislocator.so test_build all_done
ifndef AFL_NO_X86
test_x86:
@echo "[*] Checking for the ability to compile x86 code..."
@echo 'main() { __asm__("xorb %al, %al"); }' | $(CC) -w -x c - -o .test || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "Don't panic! You can use the LLVM or QEMU mode, but see docs/INSTALL first."; echo "(To ignore this error, set AFL_NO_X86=1 and try again.)"; echo; exit 1 )
@rm -f .test
@echo "[+] Everything seems to be working, ready to compile."
else
test_x86:
@echo "[!] Note: skipping x86 compilation checks (AFL_NO_X86 set)."
endif
afl-gcc: afl-gcc.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $$i; done
afl-as: afl-as.c afl-as.h $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
ln -sf afl-as as
afl-fuzz: afl-fuzz.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
afl-showmap: afl-showmap.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
afl-tmin: afl-tmin.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
afl-analyze: afl-analyze.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
afl-gotcpu: afl-gotcpu.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) [email protected] -o $@ $(LDFLAGS)
libdislocator.so: libdislocator.so.c $(COMM_HDR) | test_x86
$(CC) $(CFLAGS) -shared [email protected] -o $@ $(LDFLAGS)
ifndef AFL_NO_X86
test_build: afl-gcc afl-as afl-showmap
@echo "[*] Testing the CC wrapper and instrumentation output..."
unset AFL_USE_ASAN AFL_USE_MSAN; AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./$(TEST_CC) $(CFLAGS) test-instr.c -o test-instr $(LDFLAGS)
echo 0 | ./afl-showmap -m none -q -o .test-instr0 ./test-instr
echo 1 | ./afl-showmap -m none -q -o .test-instr1 ./test-instr
@rm -f test-instr
@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <[email protected]> to troubleshoot the issue."; echo; exit 1; fi
@echo "[+] All right, the instrumentation seems to be working!"
else
test_build: afl-gcc afl-as afl-showmap
@echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)."
endif
all_done: test_build
@if [ ! "`which clang 2>/dev/null`" = "" ]; then echo "[+] LLVM users: see llvm_mode/README.llvm for a faster alternative to afl-gcc."; fi
@echo "[+] All done! Be sure to review README - it's pretty short and useful."
@if [ "`uname`" = "Darwin" ]; then printf "\nWARNING: Fuzzing on MacOS X is slow because of the unusually high overhead of\nfork() on this OS. Consider using Linux or *BSD. You can also use VirtualBox\n(virtualbox.org) to put AFL inside a Linux or *BSD VM.\n\n"; fi
@! tty <&1 >/dev/null || printf "\033[0;30mNOTE: If you can read this, your terminal probably uses white background.\nThis will make the UI hard to read. See docs/status_screen.txt for advice.\033[0m\n" 2>/dev/null
.NOTPARALLEL: clean
clean:
rm -f $(PROGS) libdislocator.so afl-as as afl-g++ afl-clang afl-clang++ *.o *~ a.out core core.[1-9][0-9]* *.stackdump test .test test-instr .test-instr0 .test-instr1 qemu_mode/qemu-2.3.0.tar.bz2 afl-qemu-trace
rm -rf out_dir qemu_mode/qemu-2.3.0
$(MAKE) -C llvm_mode clean
install: all
mkdir -p -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH)
rm -f $${DESTDIR}$(BIN_PATH)/afl-plot.sh
install -m 755 $(PROGS) $(SH_PROGS) $${DESTDIR}$(BIN_PATH)
rm -f $${DESTDIR}$(BIN_PATH)/afl-as
if [ -f afl-qemu-trace ]; then install -m 755 afl-qemu-trace $${DESTDIR}$(BIN_PATH); fi
if [ -f afl-clang-fast -a -f afl-llvm-pass.so -a -f afl-llvm-rt.o ]; then set -e; install -m 755 afl-clang-fast $${DESTDIR}$(BIN_PATH); ln -sf afl-clang-fast $${DESTDIR}$(BIN_PATH)/afl-clang-fast++; install -m 755 afl-llvm-pass.so afl-llvm-rt.o $${DESTDIR}$(HELPER_PATH); fi
if [ -f afl-llvm-rt-32.o ]; then set -e; install -m 755 afl-llvm-rt-32.o $${DESTDIR}$(HELPER_PATH); fi
if [ -f afl-llvm-rt-64.o ]; then set -e; install -m 755 afl-llvm-rt-64.o $${DESTDIR}$(HELPER_PATH); fi
set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $${DESTDIR}$(BIN_PATH)/$$i; done
install -m 755 afl-as $${DESTDIR}$(HELPER_PATH)
install -m 755 libdislocator.so $${DESTDIR}$(HELPER_PATH)
ln -sf afl-as $${DESTDIR}$(HELPER_PATH)/as
install -m 644 docs/README docs/ChangeLog docs/*.txt $${DESTDIR}$(DOC_PATH)
cp -r testcases/ $${DESTDIR}$(MISC_PATH)
publish: clean
test "`basename $$PWD`" = "afl" || exit 1
test -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz; if [ "$$?" = "0" ]; then echo; echo "Change program version in config.h, mmkay?"; echo; exit 1; fi
cd ..; rm -rf $(PROGNAME)-$(VERSION); cp -pr $(PROGNAME) $(PROGNAME)-$(VERSION); \
tar -cvz -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz $(PROGNAME)-$(VERSION)
chmod 644 ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz
( cd ~/www/afl/releases/; ln -s -f $(PROGNAME)-$(VERSION).tgz $(PROGNAME)-latest.tgz )
cat docs/README >~/www/afl/README.txt
cat docs/status_screen.txt >~/www/afl/status_screen.txt
cat docs/historical_notes.txt >~/www/afl/historical_notes.txt
cat docs/technical_details.txt >~/www/afl/technical_details.txt
cat docs/ChangeLog >~/www/afl/ChangeLog.txt
cat docs/QuickStartGuide.txt >~/www/afl/QuickStartGuide.txt
echo -n "$(VERSION)" >~/www/afl/version.txt