Add American Fuzzy Lop (afl) to third_party/afl/

third_party/afl/src/Makefile

Index: third_party/afl/src/Makefile
diff --git a/third_party/afl/src/Makefile b/third_party/afl/src/Makefile
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+#
+# american fuzzy lop - makefile
+# -----------------------------
+#
+# Written and maintained by Michal Zalewski <lcamtuf@google.com>
+# 
+# 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     = 2.14b
+
+PREFIX     ?= /usr/local
+BIN_PATH    = $(PREFIX)/bin
+HELPER_PATH = $(PREFIX)/lib/afl
+DOC_PATH    = $(PREFIX)/share/doc/afl
+MISC_PATH   = $(PREFIX)/share/afl
+
+# PROGS intentionally omit afl-as, which gets installed to its own dir.
+
+PROGS       = afl-gcc afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
+SH_PROGS    = afl-plot afl-cmin afl-whatsup
+
+CFLAGS     ?= -O3 -funroll-loops
+CFLAGS     += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign \
+	      -DAFL_PATH=\"$(HELPER_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\" \
+	      -DBIN_PATH=\"$(BIN_PATH)\" -DVERSION=\"$(VERSION)\"
+
+ifneq "$(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 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) $@.c -o $@ $(LDFLAGS)
+	set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $$i; done
+
+afl-as: afl-as.c afl-as.h $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS) 
+	ln -sf afl-as as
+
+afl-fuzz: afl-fuzz.c $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
+
+afl-showmap: afl-showmap.c $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
+
+afl-tmin: afl-tmin.c $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
+
+afl-analyze: afl-analyze.c $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
+
+afl-gotcpu: afl-gotcpu.c $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
+
+ifndef AFL_NO_X86
+
+test_build: afl-gcc afl-as afl-showmap
+	@echo "[*] Testing the CC wrapper and instrumentation output..."
+	unset AFL_USE_ASAN AFL_USE_MSAN; AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./$(TEST_CC) $(CFLAGS) test-instr.c -o test-instr $(LDFLAGS)
+	echo 0 | ./afl-showmap -m none -q -o .test-instr0 ./test-instr
+	echo 1 | ./afl-showmap -m none -q -o .test-instr1 ./test-instr
+	@rm -f test-instr
+	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <lcamtuf@google.com> to troubleshoot the issue."; echo; exit 1; fi
+	@echo "[+] All right, the instrumentation seems to be working!"
+
+else
+
+test_build: afl-gcc afl-as afl-showmap
+	@echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)."
+
+endif
+
+all_done: test_build
+	@if [ ! "`which clang 2>/dev/null`" = "" ]; then echo "[+] LLVM users: see llvm_mode/README.llvm for a faster alternative to afl-gcc."; fi
+	@echo "[+] All done! Be sure to review README - it's pretty short and useful."
+	@if [ "`uname`" = "Darwin" ]; then printf "\nWARNING: Fuzzing on MacOS X is slow because of the unusually high overhead of\nfork() on this OS. Consider using Linux or *BSD. You can also use VirtualBox\n(virtualbox.org) to put AFL inside a Linux or *BSD VM.\n\n"; fi
+	@! tty <&1 >/dev/null || printf "\033[0;30mNOTE: If you can read this, your terminal probably uses white background.\nThis will make the UI hard to read. See docs/status_screen.txt for advice.\033[0m\n" 2>/dev/null
+
+.NOTPARALLEL: clean
+
+clean:
+	rm -f $(PROGS) afl-as as afl-g++ afl-clang afl-clang++ *.o *~ a.out core core.[1-9][0-9]* *.stackdump test .test test-instr .test-instr0 .test-instr1 qemu_mode/qemu-2.3.0.tar.bz2 afl-qemu-trace
+	rm -rf out_dir qemu_mode/qemu-2.3.0
+	$(MAKE) -C llvm_mode clean
+
+install: all
+	mkdir -p -m 755 $${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 $${DESTDIR}$(HELPER_PATH)
+	ln -sf afl-as $${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 Makefile, 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