mirror of https://github.com/qpdf/qpdf.git
154 lines
4.9 KiB
Makefile
154 lines
4.9 KiB
Makefile
# This directory contains support for Google's oss-fuzz project. See
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# https://github.com/google/oss-fuzz/tree/master/projects/qpdf
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FUZZERS = \
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qpdf_fuzzer \
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ascii85_fuzzer \
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dct_fuzzer \
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flate_fuzzer \
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hex_fuzzer \
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lzw_fuzzer \
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pngpredictor_fuzzer \
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runlength_fuzzer \
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tiffpredictor_fuzzer
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DEFAULT_FUZZ_RUNNER := standalone_fuzz_target_runner
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OBJ_DEFAULT_FUZZ := fuzz/$(OUTPUT_DIR)/$(DEFAULT_FUZZ_RUNNER).$(OBJ)
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BINS_fuzz = $(foreach B,$(FUZZERS),fuzz/$(OUTPUT_DIR)/$(call binname,$(B)))
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TARGETS_fuzz = $(OBJ_DEFAULT_FUZZ) $(BINS_fuzz) fuzz_corpus
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# Fuzzers test private classes too, so we need libqpdf in the include path
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INCLUDES_fuzz = include libqpdf
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# LIB_FUZZING_ENGINE is overridden by oss-fuzz
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LIB_FUZZING_ENGINE ?= $(OBJ_DEFAULT_FUZZ)
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# Depend on OBJ_DEFAULT_FUZZ to ensure that it is always compiled.
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# Don't depend on LIB_FUZZING_ENGINE, which we can't build. When used
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# by oss-fuzz, it will be there.
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$(BINS_fuzz): $(TARGETS_libqpdf) $(OBJ_DEFAULT_FUZZ)
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# Files from the test suite that are good for seeding the fuzzer.
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# Update $qpdf_n_test_files in qtest/fuzz.test if you change this list.
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CORPUS_FROM_TEST = \
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stream-data.pdf \
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lin5.pdf \
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field-types.pdf \
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image-streams-small.pdf \
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need-appearances.pdf \
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outlines-with-actions.pdf \
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outlines-with-old-root-dests.pdf \
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page-labels-and-outlines.pdf \
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page-labels-num-tree.pdf \
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dr-with-indirect-item.pdf \
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fuzz-16214.pdf \
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issue-99b.pdf \
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issue-99.pdf \
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issue-100.pdf \
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issue-101.pdf \
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issue-106.pdf \
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issue-117.pdf \
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issue-119.pdf \
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issue-120.pdf \
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issue-141a.pdf \
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issue-141b.pdf \
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issue-143.pdf \
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issue-146.pdf \
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issue-147.pdf \
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issue-148.pdf \
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issue-149.pdf \
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issue-150.pdf \
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issue-202.pdf \
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issue-263.pdf \
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issue-335a.pdf \
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issue-335b.pdf
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# Any file that qpdf_fuzzer should be tested with can be named
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# something.fuzz and dropped into this directory.
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CORPUS_OTHER = $(wildcard fuzz/qpdf_extra/*.fuzz)
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# -----
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CORPUS_EXTRA := $(foreach F,$(CORPUS_FROM_TEST),qpdf/qtest/qpdf/$F) \
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$(CORPUS_OTHER)
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CORPUS_DIR := fuzz/$(OUTPUT_DIR)/qpdf_fuzzer_seed_corpus
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.PHONY: fuzz_corpus
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fuzz_corpus:: fuzz/$(OUTPUT_DIR)/fuzz_corpus.stamp
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$(foreach F,$(CORPUS_EXTRA),$(eval \
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SHA1_$(notdir $(F)) := $(shell perl fuzz/get_sha1 < $F)))
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$(foreach F,$(CORPUS_EXTRA),$(eval \
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fuzz_corpus:: $(CORPUS_DIR)/$(SHA1_$(notdir $(F)))))
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$(foreach F,$(CORPUS_EXTRA),$(eval \
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$(CORPUS_DIR)/$(SHA1_$(notdir $(F))): $(F) ; \
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mkdir -p $(CORPUS_DIR); \
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cp $(F) $(CORPUS_DIR)/$(SHA1_$(notdir $(F)))))
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fuzz/$(OUTPUT_DIR)/fuzz_corpus.stamp: $(CORPUS_EXTRA)
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mkdir -p $(CORPUS_DIR)
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touch $@
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$(foreach B,$(FUZZERS),$(eval \
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OBJS_$(B) = $(call src_to_obj,fuzz/$(B).cc)))
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ifeq ($(GENDEPS),1)
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-include $(foreach B,$(FUZZERS),$(call obj_to_dep,$(OBJS_$(B))))
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endif
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$(foreach B,$(DEFAULT_FUZZ_RUNNER),$(eval \
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fuzz/$(OUTPUT_DIR)/%.$(OBJ): fuzz/$(B).cc ; \
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$(call compile,fuzz/$(B).cc,$(INCLUDES_fuzz))))
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$(foreach B,$(FUZZERS),$(eval \
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$(OBJS_$(B)): fuzz/$(OUTPUT_DIR)/%.$(OBJ): fuzz/$(B).cc ; \
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$(call compile,fuzz/$(B).cc,$(INCLUDES_fuzz))))
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ifeq ($(suffix $(LIB_FUZZING_ENGINE)),.$(OBJ))
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FUZZ_as_obj := $(LIB_FUZZING_ENGINE)
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FUZZ_as_lib :=
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else
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FUZZ_as_obj :=
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FUZZ_as_lib := $(LIB_FUZZING_ENGINE)
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endif
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$(foreach B,$(FUZZERS),$(eval \
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fuzz/$(OUTPUT_DIR)/$(call binname,$(B)): $(OBJS_$(B)) ; \
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$(call makebin,$(OBJS_$(B)) $(FUZZ_as_obj),$$@,$(LDFLAGS_libqpdf) $(LDFLAGS),$(FUZZ_as_lib) $(LIBS_libqpdf) $(LIBS))))
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ifeq ($(OSS_FUZZ),1)
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# Build fuzzers linked with static libraries and installed into a
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# location provided by oss-fuzz. This is specifically to support the
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# oss-fuzz project. These rules won't on systems that don't allow main
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# to be in a library or don't name their libraries libsomething.a.
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STATIC_BINS_fuzz := $(foreach B,$(FUZZERS),fuzz/$(OUTPUT_DIR)/static/$(call binname,$(B)))
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$(STATIC_BINS_fuzz): $(TARGETS_libqpdf) $(OBJ_DEFAULT_FUZZ)
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# OUT is provided in the oss-fuzz environment
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OUT ?= $(CURDIR)/fuzz/$(OUTPUT_DIR)/fuzz-install
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# These are not fully static, but they statically link with qpdf and
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# our external dependencies other than system libraries.
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$(foreach B,$(FUZZERS),$(eval \
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fuzz/$(OUTPUT_DIR)/static/$(call binname,$(B)): $(OBJS_$(B)) ; \
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$(call makebin,$(OBJS_$(B)),$$@,$(LDFLAGS_libqpdf) $(LDFLAGS),$(LIB_FUZZING_ENGINE) $(patsubst -l%,-l:lib%.a,$(LIBS_libqpdf) $(LIBS)))))
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# The install_fuzz target is used by build.sh in oss-fuzz's qpdf project.
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install_fuzz: $(STATIC_BINS_fuzz)
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mkdir -p $(OUT)
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cp fuzz/pdf.dict $(STATIC_BINS_fuzz) $(OUT)/
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for B in $(FUZZERS); do \
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if test -f fuzz/$${B}.options; then \
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cp fuzz/$${B}.options $(OUT)/$${B}.options; \
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fi; \
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if test -d fuzz/$(OUTPUT_DIR)/$${B}_seed_corpus; then \
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(cd fuzz/$(OUTPUT_DIR)/$${B}_seed_corpus; zip -q -r $(OUT)/$${B}_seed_corpus.zip .); \
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elif test -d fuzz/$${B}_seed_corpus; then \
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(cd fuzz/$${B}_seed_corpus; zip -q -r $(OUT)/$${B}_seed_corpus.zip .); \
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fi; \
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done
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endif # OSS_FUZZ
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