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https://github.com/php/php-fuzzing-sapi.git
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63 lines
2.0 KiB
Plaintext
63 lines
2.0 KiB
Plaintext
AC_MSG_CHECKING(for CLANG fuzzer SAPI)
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PHP_ARG_ENABLE(fuzzer,,
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[ --enable-fuzzer Build PHP as clang fuzzing test module (for developers], no)
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dnl For newer clang versions see https://llvm.org/docs/LibFuzzer.html#fuzzer-usage
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dnl for relevant flags.
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dnl Macro to define fuzzing target
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dnl FUZZER_TARGET(name, target-var)
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dnl
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AC_DEFUN([FUZZER_TARGET], [
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PHP_FUZZER_BINARIES="$PHP_FUZZER_BINARIES $SAPI_FUZZER_PATH/php-fuzz-$1"
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PHP_SUBST($2)
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PHP_ADD_SOURCES_X([sapi/fuzzer],[fuzzer-$1.c fuzzer-sapi.c],[],$2)
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])
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if test "$PHP_FUZZER" != "no"; then
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PHP_REQUIRE_CXX()
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PHP_ADD_MAKEFILE_FRAGMENT($abs_srcdir/sapi/fuzzer/Makefile.frag)
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SAPI_FUZZER_PATH=sapi/fuzzer
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PHP_SUBST(SAPI_FUZZER_PATH)
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if test -z "$LIB_FUZZING_ENGINE"; then
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FUZZING_LIB="-lFuzzer"
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FUZZING_CC="$CC"
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AX_CHECK_COMPILE_FLAG([-fsanitize-coverage=edge -fsanitize=address], [
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CFLAGS="$CFLAGS -fsanitize-coverage=edge -fsanitize=address"
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CXXFLAGS="$CXXFLAGS -fsanitize-coverage=edge -fsanitize=address"
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LDFLAGS="$LDFLAGS -fsanitize-coverage=edge -fsanitize=address"
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],[
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AC_MSG_ERROR(compiler doesn't support -fsanitize flags)
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])
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else
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FUZZING_LIB="-lFuzzingEngine"
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FUZZING_CC="$CXX -stdlib=libc++"
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fi
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PHP_SUBST(FUZZING_LIB)
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PHP_SUBST(FUZZING_CC)
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dnl PHP_SELECT_SAPI(fuzzer-parser, program, $FUZZER_SOURCES, , '$(SAPI_FUZZER_PATH)')
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PHP_ADD_BUILD_DIR([sapi/fuzzer])
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PHP_BINARIES="$PHP_BINARIES fuzzer"
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PHP_FUZZER_BINARIES=""
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PHP_INSTALLED_SAPIS="$PHP_INSTALLED_SAPIS fuzzer"
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FUZZER_TARGET([parser], PHP_FUZZER_PARSER_OBJS)
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FUZZER_TARGET([unserialize], PHP_FUZZER_UNSERIALIZE_OBJS)
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FUZZER_TARGET([exif], PHP_FUZZER_EXIF_OBJS)
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dnl This check doesn't work, as PHP_ARG_ENABLE(json) comes later ...
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if test "x$enable_json" != "xno"; then
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FUZZER_TARGET([json], PHP_FUZZER_JSON_OBJS)
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fi
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if test "x$enable_mbstring" = "xyes"; then
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FUZZER_TARGET([mbstring], PHP_FUZZER_MBSTRING_OBJS)
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fi
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PHP_SUBST(PHP_FUZZER_BINARIES)
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fi
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AC_MSG_RESULT($PHP_FUZZER)
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