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CMakeLists.txt
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CMakeLists.txt
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# Copyright 2021 Google LLC
#
# @APPLE_OSREFERENCE_LICENSE_HEADER_START@
#
# This file contains Original Code and/or Modifications of Original Code
# as defined in and that are subject to the Apple Public Source License
# Version 2.0 (the 'License'). You may not use this file except in
# compliance with the License. The rights granted to you under the License
# may not be used to create, or enable the creation or redistribution of,
# unlawful or unlicensed copies of an Apple operating system, or to
# circumvent, violate, or enable the circumvention or violation of, any
# terms of an Apple operating system software license agreement.
#
# Please obtain a copy of the License at
# http://www.opensource.apple.com/apsl/ and read it before using this file.
#
# The Original Code and all software distributed under the License are
# distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
# EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
# INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
# Please see the License for the specific language governing rights and
# limitations under the License.
#
# @APPLE_OSREFERENCE_LICENSE_HEADER_END@
cmake_minimum_required(VERSION 3.5.1)
project(sockfuzzer)
# TODO(nedwill): We should not depend directly on third_party module paths
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/third_party/libprotobuf-mutator/cmake/external)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(Protobuf_USE_STATIC_LIBS true)
# Force colorful output
add_compile_options(-fcolor-diagnostics)
set(XNU_DEFINES
-DAH_ALL_CRYPTO
-DAPPLE
-DBINDFS
-DCONFIG_32BIT_TELEMETRY
-DCONFIG_AIO_MAX=90
-DCONFIG_AIO_PROCESS_MAX=16
-DCONFIG_AIO_THREAD_COUNT=4
-DCONFIG_APPLEDOUBLE
-DCONFIG_ARCADE
-DCONFIG_ATM
-DCONFIG_BACKGROUND_QUEUE
-DCONFIG_BASESYSTEMROOT
-DCONFIG_BLOCKS
-DCONFIG_COALITIONS
-DCONFIG_CODE_DECRYPTION
-DCONFIG_COREDUMP
-DCONFIG_CSR
-DCONFIG_DATALESS_FILES
-DCONFIG_DELAY_IDLE_SLEEP
-DCONFIG_DEV_KMEM
-DCONFIG_DIRTYSTATUS_TRACKING
-DCONFIG_DYNAMIC_CODE_SIGNING
-DCONFIG_EXT_RESOLVER
-DCONFIG_FIRMLINKS
-DCONFIG_GZALLOC
-DCONFIG_ICMP_BANDLIM=250
-DCONFIG_IMAGEBOOT_CHUNKLIST
-DCONFIG_IMG4
-DCONFIG_IMGSRC_ACCESS
-DCONFIG_IOSCHED
-DCONFIG_IPC_TABLE_ENTRIES_STEPS=256
-DCONFIG_KAS_INFO
-DCONFIG_KDP_INTERACTIVE_DEBUGGING
-DCONFIG_KEC_FIPS
-DCONFIG_KEXT_BASEMENT
-DCONFIG_KEYPAGE_WP
-DCONFIG_KN_HASHSIZE=64
-DCONFIG_LEDGER_INTERVAL_MAX
-DCONFIG_LTABLE_DEBUG
-DCONFIG_LTABLE_STATS
-DCONFIG_MACF_LAZY_VNODE_LABELS
-DCONFIG_MACH_APPROXIMATE_TIME
-DCONFIG_MACH_BRIDGE_SEND_TIME
-DCONFIG_MAXVIFS=32
-DCONFIG_MAX_CLUSTERS=8
-DCONFIG_MAX_THREADS=500
-DCONFIG_MBUF_JUMBO
-DCONFIG_MCA
-DCONFIG_MEMORYSTATUS
-DCONFIG_MFCTBLSIZ=256
-DCONFIG_MIN_NBUF=256
-DCONFIG_MIN_NIOBUF=128
-DCONFIG_MNT_ROOTSNAP
-DCONFIG_MNT_SUID
-DCONFIG_MOUNT_PREBOOTRECOVERY
-DCONFIG_MOUNT_VM
-DCONFIG_MSG_BSIZE=CONFIG_MSG_BSIZE_DEV
-DCONFIG_MSG_BSIZE_DEV=131072
-DCONFIG_MSG_BSIZE_REL=16384
-DCONFIG_MTRR
-DCONFIG_NC_HASH=4096
-DCONFIG_NETBOOT
-DCONFIG_NFS_GSS
-DCONFIG_NMBCLUSTERS=512
-DCONFIG_PERSONAS
-DCONFIG_PHYS_WRITE_ACCT
-DCONFIG_PROC_UDATA_STORAGE
-DCONFIG_PROC_UUID_POLICY
-DCONFIG_PROTECT
-DCONFIG_REQUIRES_U32_MUNGING
-DCONFIG_ROSV_STARTUP
-DCONFIG_SCHED_GRRR
-DCONFIG_SCHED_GRRR_CORE
-DCONFIG_SCHED_MULTIQ
-DCONFIG_SCHED_PROTO
-DCONFIG_SCHED_SFI
-DCONFIG_SCHED_TIMESHARE_CORE
-DCONFIG_SCHED_TRADITIONAL
-DCONFIG_SEARCHFS
-DCONFIG_SETUID
-DCONFIG_SLEEP
-DCONFIG_SYSDIAGNOSE
-DCONFIG_TASKWATCH
-DCONFIG_TASK_MAX=1024
-DCONFIG_TASK_ZONE_INFO
-DCONFIG_TCBHASHSIZE=4096
-DCONFIG_TELEMETRY
-DCONFIG_THREAD_MAX=2560
-DCONFIG_VFS_NAMES=4096
-DCONFIG_VMX
-DCONFIG_VNGUARD
-DCONFIG_VNODES=263168
-DCONFIG_VOLFS
-DCONFIG_VSPRINTF
-DCONFIG_WAITQ_DEBUG
-DCONFIG_WAITQ_STATS
-DCONFIG_WORKLOOP_DEBUG
-DCONFIG_WORKQUEUE
-DCONFIG_XNUPOST
-DCONFIG_ZALLOC_SEQUESTER
-DCONFIG_ZCACHE
-DCONFIG_ZLEAKS
-DCONFIG_ZLEAK_ALLOCATION_MAP_NUM=16384
-DCONFIG_ZLEAK_TRACE_MAP_NUM=8192
-DCONFIG_ZONE_MAP_MIN=120586240
-DCONTENT_FILTER
-DCOPYOUT_SHIM
-DCRYPTO_SHA2
-DFLOW_DIVERT
-DHYPERVISOR
-DICMP_BANDLIM
-DIFNET_INPUT_SANITY_CHK
-DIMPORTANCE_TRACE
-DIOKIT
-DIOKITCPP
-DIOKITSTATS
-DIOTRACKING
-DIPSEC
-DIPSEC_ESP
-DKERNEL
-DKERNEL_PRIVATE
-DKPC
-DKPERF
-DLIBKERNCPP
-DLOCK_STATS
-DLP64
-DMACH
-DMACH_BSD
-DMACH_KERNEL
-DMULTICAST
-DMULTIPATH
-DNAMEDSTREAMS
-DNECP
-DNO_DIRECT_RPC
-DNULLFS
-DOLD_SEMWAIT_SIGNAL
-DPACKET_MANGLER
-DPAGE_SIZE_FIXED
-DPAL_I386
-DPGO
-DPLATFORM_MacOSX
-DPRIVATE
-DPSYNCH
-DSERIAL_CONSOLE
-DTRAFFIC_MGT
-DVIDEO_CONSOLE
-DVM_PRESSURE_EVENTS
-DX86_64
-DXNU_KERNEL_PRIVATE
-DXNU_KERN_EVENT_DATA_IS_VLA
# TODO(nedwill): remove this flag and get support for copyin_chk/copyout_chk
# working in case source fortifications can help find more bugs.
-D_FORTIFY_SOURCE=0
-D__MACHO__=1
-D__X86_64__
-Dvolatile=__volatile
-Dx86_64
-URC_ENABLE_XNU_PRODUCT_INFO_FILTER
-include
meta_features.h
)
set(BSD_DEFINES
-DBSD_BUILD
-DBSD_KERNEL_PRIVATE
-DCONFIG_SERIAL_KDP
-DDEBUG
-DDRIVER_PRIVATE
-DENCRYPTED_SWAP
-DHIBERNATION
-DKERNEL_BUILD
-DLP64_DEBUG=0
-DMACH_KDP
-DMACH_MP_DEBUG
-DTARGET_OS_IPHONE=0
-DTARGET_OS_OSX=1
-DXNU_TARGET_OS_OSX=1
-D_KERNEL_BUILD
-D__APPLE__
)
set(OSFMK_DEFINES
-DBOND
-DCONFIG_AUDIT
-DCONFIG_FSE
-DCONFIG_IMAGEBOOT
-DCONFIG_MACF
-DCONFIG_MACF_SOCKET_SUBSET
-DCONFIG_NFS4
-DCONFIG_TRIGGERS
-DDEVFS
-DDUMMYNET
-DFDESC
-DFIFO
-DFS_COMPRESSION
-DIF_BRIDGE
-DIF_FAKE
-DIF_HEADLESS
-DINET
-DKERNEL_BASE_OFFSET=0x100000
-DMACH_COMPAT
-DMACH_FASTLINK
-DMACH_KERNEL_PRIVATE
-DMPTCP
-DNETWORKING
-DNFSCLIENT
-DNFSSERVER
-DPF
-DPFLOG
-DQUOTA
-DSENDFILE
-DSIXLOWPAN
-DSOCKETS
-DSYSV_MSG
-DSYSV_SEM
-DSYSV_SHM
-DVLAN
-DXNU_TARGET_OS_OSX
-DZLIB
)
set(SAN_DEFINES -DKASAN_OFFSET=0 -DKASAN_SCALE=0)
set(XNU_WARNING_FLAGS
-Wno-address-of-packed-member -Wno-unguarded-availability-new
-Wno-pointer-to-int-cast -Wno-format -Wunused-result -Werror
)
set(XNU_C_FLAGS
-nostdinc
-fno-builtin
-fno-common
-fsigned-bitfields
-g
-fblocks
-O1
-ftrivial-auto-var-init=pattern
${XNU_WARNING_FLAGS}
${XNU_DEFINES}
)
set(BSD_SOURCES
third_party/xnu/bsd/conf/param.c
third_party/xnu/bsd/kern/kern_asl.c
third_party/xnu/bsd/kern/kern_control.c
third_party/xnu/bsd/kern/kern_descrip.c
third_party/xnu/bsd/kern/kern_event.c
third_party/xnu/bsd/kern/kern_newsysctl.c
third_party/xnu/bsd/kern/kern_sig.c
third_party/xnu/bsd/kern/kern_subr.c
third_party/xnu/bsd/kern/kpi_mbuf.c
third_party/xnu/bsd/kern/kpi_socket.c
third_party/xnu/bsd/kern/kpi_socketfilter.c
third_party/xnu/bsd/kern/subr_eventhandler.c
third_party/xnu/bsd/kern/sys_domain.c
third_party/xnu/bsd/kern/sys_generic.c
third_party/xnu/bsd/kern/sys_pipe.c
third_party/xnu/bsd/kern/sys_reason.c
third_party/xnu/bsd/kern/sys_socket.c
third_party/xnu/bsd/kern/uipc_domain.c
third_party/xnu/bsd/kern/uipc_mbuf.c
third_party/xnu/bsd/kern/uipc_mbuf2.c
third_party/xnu/bsd/kern/uipc_proto.c
third_party/xnu/bsd/kern/uipc_socket.c
third_party/xnu/bsd/kern/uipc_socket2.c
third_party/xnu/bsd/kern/uipc_syscalls.c
third_party/xnu/bsd/kern/uipc_usrreq.c
third_party/xnu/bsd/kern/vsock_domain.c
third_party/xnu/bsd/net/bpf.c
third_party/xnu/bsd/net/bpf_filter.c
third_party/xnu/bsd/net/classq/classq.c
third_party/xnu/bsd/net/classq/classq_fq_codel.c
third_party/xnu/bsd/net/classq/classq_sfb.c
third_party/xnu/bsd/net/classq/classq_subr.c
third_party/xnu/bsd/net/content_filter.c
third_party/xnu/bsd/net/devtimer.c
third_party/xnu/bsd/net/dlil.c
third_party/xnu/bsd/net/ether_inet6_pr_module.c
third_party/xnu/bsd/net/ether_if_module.c
third_party/xnu/bsd/net/ether_inet_pr_module.c
third_party/xnu/bsd/net/flowadv.c
third_party/xnu/bsd/net/frame802154.c
third_party/xnu/bsd/net/if.c
third_party/xnu/bsd/net/if_6lowpan.c
third_party/xnu/bsd/net/if_bridge.c
third_party/xnu/bsd/net/if_bond.c
third_party/xnu/bsd/net/if_fake.c
third_party/xnu/bsd/net/if_llatbl.c
third_party/xnu/bsd/net/if_llreach.c
third_party/xnu/bsd/net/if_loop.c
third_party/xnu/bsd/net/if_low_power_mode.c
third_party/xnu/bsd/net/if_headless.c
third_party/xnu/bsd/net/if_ipsec.c
third_party/xnu/bsd/net/if_ports_used.c
third_party/xnu/bsd/net/if_stf.c
third_party/xnu/bsd/net/if_vlan.c
third_party/xnu/bsd/net/init.c
third_party/xnu/bsd/net/kpi_interface.c
third_party/xnu/bsd/net/kpi_interfacefilter.c
third_party/xnu/bsd/net/kpi_protocol.c
third_party/xnu/bsd/net/linkaddr.c
third_party/xnu/bsd/net/multicast_list.c
third_party/xnu/bsd/net/ndrv.c
third_party/xnu/bsd/net/net_str_id.c
third_party/xnu/bsd/net/pf.c
third_party/xnu/bsd/net/pf_if.c
third_party/xnu/bsd/net/pf_ioctl.c
third_party/xnu/bsd/net/pf_norm.c
third_party/xnu/bsd/net/pf_osfp.c
third_party/xnu/bsd/net/pf_pbuf.c
third_party/xnu/bsd/net/pf_ruleset.c
third_party/xnu/bsd/net/pf_table.c
third_party/xnu/bsd/net/sixxlowpan.c
third_party/xnu/bsd/net/necp.c
third_party/xnu/bsd/net/necp_client.c
third_party/xnu/bsd/net/net_perf.c
third_party/xnu/bsd/net/network_agent.c
third_party/xnu/bsd/net/ntstat.c
third_party/xnu/bsd/net/pktap.c
third_party/xnu/bsd/net/pktsched/pktsched.c
third_party/xnu/bsd/net/pktsched/pktsched_fq_codel.c
third_party/xnu/bsd/net/pktsched/pktsched_netem.c
third_party/xnu/bsd/net/raw_cb.c
third_party/xnu/bsd/net/raw_usrreq.c
third_party/xnu/bsd/net/radix.c
third_party/xnu/bsd/net/route.c
third_party/xnu/bsd/net/rtsock.c
third_party/xnu/bsd/netinet/flow_divert.c
third_party/xnu/bsd/netinet/in.c
third_party/xnu/bsd/netinet/igmp.c
third_party/xnu/bsd/netinet/in_arp.c
third_party/xnu/bsd/netinet/in_cksum.c
third_party/xnu/bsd/netinet/in_mcast.c
third_party/xnu/bsd/netinet/in_pcb.c
third_party/xnu/bsd/netinet/in_pcblist.c
third_party/xnu/bsd/netinet/in_proto.c
third_party/xnu/bsd/netinet/in_rmx.c
third_party/xnu/bsd/netinet/in_tclass.c
third_party/xnu/bsd/netinet/ip_dummynet.c
third_party/xnu/bsd/netinet/ip_ecn.c
third_party/xnu/bsd/netinet/ip_encap.c
third_party/xnu/bsd/netinet/ip_icmp.c
third_party/xnu/bsd/netinet/ip_id.c
third_party/xnu/bsd/netinet/ip_input.c
third_party/xnu/bsd/netinet/ip_output.c
third_party/xnu/bsd/netinet/kpi_ipfilter.c
third_party/xnu/bsd/netinet/mp_pcb.c
third_party/xnu/bsd/netinet/mp_pcb.h
third_party/xnu/bsd/netinet/mp_proto.c
third_party/xnu/bsd/netinet/mptcp.c
third_party/xnu/bsd/netinet/mptcp.h
third_party/xnu/bsd/netinet/mptcp_opt.c
third_party/xnu/bsd/netinet/mptcp_opt.h
third_party/xnu/bsd/netinet/mptcp_subr.c
third_party/xnu/bsd/netinet/mptcp_timer.c
third_party/xnu/bsd/netinet/mptcp_timer.h
third_party/xnu/bsd/netinet/mptcp_usrreq.c
third_party/xnu/bsd/netinet/raw_ip.c
third_party/xnu/bsd/netinet/tcp_cache.c
third_party/xnu/bsd/netinet/tcp_cc.c
third_party/xnu/bsd/netinet/tcp_cubic.c
third_party/xnu/bsd/netinet/tcp_input.c
third_party/xnu/bsd/netinet/tcp_ledbat.c
third_party/xnu/bsd/netinet/tcp_log.c
third_party/xnu/bsd/netinet/tcp_newreno.c
third_party/xnu/bsd/netinet/tcp_output.c
third_party/xnu/bsd/netinet/tcp_sack.c
third_party/xnu/bsd/netinet/tcp_subr.c
third_party/xnu/bsd/netinet/tcp_timer.c
third_party/xnu/bsd/netinet/tcp_usrreq.c
third_party/xnu/bsd/netinet/udp_usrreq.c
third_party/xnu/bsd/netinet6/ah_core.c
third_party/xnu/bsd/netinet6/ah_input.c
third_party/xnu/bsd/netinet6/ah_output.c
third_party/xnu/bsd/netinet6/dest6.c
third_party/xnu/bsd/netinet6/esp_chachapoly.c
third_party/xnu/bsd/netinet6/esp_core.c
third_party/xnu/bsd/netinet6/esp_input.c
third_party/xnu/bsd/netinet6/esp_output.c
third_party/xnu/bsd/netinet6/esp_rijndael.c
third_party/xnu/bsd/netinet6/frag6.c
third_party/xnu/bsd/netinet6/icmp6.c
third_party/xnu/bsd/netinet6/in6.c
third_party/xnu/bsd/netinet6/in6_cga.c
third_party/xnu/bsd/netinet6/in6_cksum.c
third_party/xnu/bsd/netinet6/in6_ifattach.c
third_party/xnu/bsd/netinet6/in6_mcast.c
third_party/xnu/bsd/netinet6/in6_pcb.c
third_party/xnu/bsd/netinet6/in6_proto.c
third_party/xnu/bsd/netinet6/in6_rmx.c
third_party/xnu/bsd/netinet6/in6_src.c
third_party/xnu/bsd/netinet6/ipsec.c
third_party/xnu/bsd/netinet6/ip6_forward.c
third_party/xnu/bsd/netinet6/ip6_input.c
third_party/xnu/bsd/netinet6/ip6_id.c
third_party/xnu/bsd/netinet6/ip6_output.c
third_party/xnu/bsd/netinet6/mld6.c
third_party/xnu/bsd/netinet6/nd6.c
third_party/xnu/bsd/netinet6/nd6_nbr.c
third_party/xnu/bsd/netinet6/nd6_prproxy.c
third_party/xnu/bsd/netinet6/nd6_rti.c
third_party/xnu/bsd/netinet6/nd6_rtr.c
third_party/xnu/bsd/netinet6/nd6_send.c
third_party/xnu/bsd/netinet6/raw_ip6.c
third_party/xnu/bsd/netinet6/route6.c
third_party/xnu/bsd/netinet6/scope6.c
third_party/xnu/bsd/netinet6/udp6_output.c
third_party/xnu/bsd/netinet6/udp6_usrreq.c
third_party/xnu/bsd/netkey/key.c
third_party/xnu/bsd/netkey/keydb.c
third_party/xnu/bsd/netkey/keysock.c
third_party/xnu/bsd/sys/mcache.h
third_party/xnu/libkern/crypto/corecrypto_chacha20poly1305.c
third_party/xnu/libkern/crypto/corecrypto_des.c
third_party/xnu/libkern/crypto/corecrypto_sha2.c
third_party/xnu/libkern/gen/OSAtomicOperations.c
third_party/xnu/libkern/os/refcnt.c
third_party/xnu/security/mac_system.c
fuzz/api/syscall_wrappers.c
fuzz/api/ioctl.c
fuzz/api/backend.c
fuzz/fakes/stubs.c
fuzz/fakes/thread.c
fuzz/fakes/fake_impls.c
fuzz/fakes/mbuf.c
)
set(XNU_INCLUDES
.
third_party/xnu
third_party/xnu/BUILD/obj/EXPORT_HDRS/bsd
third_party/xnu/BUILD/obj/EXPORT_HDRS/osfmk
third_party/xnu/BUILD/obj/EXPORT_HDRS/libkern
third_party/xnu/BUILD/obj/EXPORT_HDRS/iokit
third_party/xnu/BUILD/obj/EXPORT_HDRS/pexpert
third_party/xnu/BUILD/obj/EXPORT_HDRS/libsa
third_party/xnu/BUILD/obj/EXPORT_HDRS/security
third_party/xnu/BUILD/obj/EXPORT_HDRS/san
third_party/xnu/EXTERNAL_HEADERS
)
# If SANITIZER flag is passed, we are building for OSS-Fuzz. This means we
# already pass the build CFLAGs/LDFLAGS it wants via the environment variables.
if(DEFINED ENV{SANITIZER})
if($ENV{SANITIZER} MATCHES "address")
set(FUZZER_SOURCES fuzz/fakes/san.c
third_party/xnu/san/kasan-memintrinsics.c
)
set(FUZZER_DEFINES -DKASAN=1)
endif()
else()
set(FUZZER_CXX_FLAGS -fsanitize=address,fuzzer-no-link)
set(FUZZER_LD_FLAGS -fsanitize=address,fuzzer)
set(ENV{LIB_FUZZING_ENGINE} -fsanitize=fuzzer)
set(FUZZER_SOURCES fuzz/fakes/san.c third_party/xnu/san/kasan-memintrinsics.c)
set(FUZZER_DEFINES -DKASAN=1)
endif()
# These must be built separately due to header incompatabilities
set(OSFMK_SOURCES
fuzz/fakes/zalloc.c
fuzz/fakes/osfmk_stubs.c
third_party/xnu/osfmk/kern/startup.c
)
set(BSD_INCLUDES
${XNU_INCLUDES} third_party/xnu/BUILD/obj/DEBUG_X86_64/bsd/DEBUG
third_party/xnu/bsd third_party/xnu/san
)
set(OSFMK_INCLUDES
${XNU_INCLUDES} third_party/xnu/BUILD/obj/DEBUG_X86_64/osfmk/DEBUG
third_party/xnu/osfmk third_party/xnu/osfmk/libsa
)
# We use an object library so we can include the osfmk objects which require
# different build flags into the libxnu library
add_library(osfmk OBJECT ${OSFMK_SOURCES})
target_include_directories(osfmk PRIVATE ${OSFMK_INCLUDES})
set_property(TARGET osfmk PROPERTY C_VISIBILITY_PRESET hidden)
set_property(TARGET osfmk PROPERTY POSITION_INDEPENDENT_CODE ON)
target_compile_options(
osfmk PRIVATE ${XNU_C_FLAGS} ${OSFMK_DEFINES} ${FUZZER_DEFINES}
${FUZZER_CXX_FLAGS} -DLIBXNU_BUILD=1
)
add_library(bsd OBJECT ${BSD_SOURCES} ${FUZZER_SOURCES})
set_property(TARGET bsd PROPERTY C_VISIBILITY_PRESET hidden)
set_property(TARGET bsd PROPERTY POSITION_INDEPENDENT_CODE ON)
add_custom_command(
OUTPUT libxnu_relocatable.o
COMMAND ld.lld -r $<TARGET_OBJECTS:bsd> $<TARGET_OBJECTS:osfmk> -o libxnu_relocatable.o && objcopy --localize-hidden libxnu_relocatable.o
DEPENDS $<TARGET_OBJECTS:bsd> $<TARGET_OBJECTS:osfmk>
COMMAND_EXPAND_LISTS
)
# TODO(nedwill): fix mac build
if(APPLE)
# Dynamic lookups are needed for us to link correctly when we have mutually
# dependent targets (net_fuzzer and xnu)
target_link_options(xnu PRIVATE -Bsymbolic -undefined dynamic_lookup)
endif(APPLE)
target_include_directories(bsd PRIVATE ${BSD_INCLUDES})
target_compile_options(
bsd PRIVATE ${XNU_C_FLAGS} ${BSD_DEFINES} ${SAN_DEFINES} -DLIBXNU_BUILD=1
${FUZZER_DEFINES} ${FUZZER_CXX_FLAGS}
)
# Only build coverage builds locally on Linux.
if(NOT DEFINED ENV{SANITIZER} AND NOT APPLE)
add_library(osfmk_cov OBJECT ${OSFMK_SOURCES})
target_include_directories(osfmk_cov PRIVATE ${OSFMK_INCLUDES})
set_target_properties(osfmk_cov PROPERTIES C_VISIBILITY_PRESET hidden)
set_property(TARGET osfmk_cov PROPERTY POSITION_INDEPENDENT_CODE ON)
target_compile_options(
osfmk_cov PRIVATE ${XNU_C_FLAGS} ${OSFMK_DEFINES} -DLIBXNU_BUILD=1
-fprofile-instr-generate -fcoverage-mapping
)
add_library(bsd_cov STATIC ${BSD_SOURCES} $<TARGET_OBJECTS:osfmk_cov>)
target_include_directories(bsd_cov PRIVATE ${BSD_INCLUDES})
set_target_properties(bsd_cov PROPERTIES C_VISIBILITY_PRESET hidden)
target_compile_options(
bsd_cov
PRIVATE ${XNU_C_FLAGS} ${BSD_DEFINES} ${SAN_DEFINES} -DLIBXNU_BUILD=1
-fprofile-instr-generate -fcoverage-mapping
)
endif()
# TODO(nedwill): get the local protobuf build working to support msan
# add_subdirectory(third_party/libprotobuf-mutator)
find_package(Protobuf REQUIRED)
include_directories(${PROTOBUF_INCLUDE_DIRS})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
# TODO(nedwill): Import CMakeLists.txt from libprotobuf-mutator folder
add_library(
protobuf-mutator STATIC
third_party/libprotobuf-mutator/src/binary_format.cc
third_party/libprotobuf-mutator/src/mutator.cc
third_party/libprotobuf-mutator/src/text_format.cc
third_party/libprotobuf-mutator/src/utf8_fix.cc
third_party/libprotobuf-mutator/src/libfuzzer/libfuzzer_macro.cc
third_party/libprotobuf-mutator/src/libfuzzer/libfuzzer_mutator.cc
third_party/libprotobuf-mutator/src/mutator.h
)
target_include_directories(
protobuf-mutator PRIVATE third_party/libprotobuf-mutator
)
target_compile_options(protobuf-mutator PRIVATE -std=c++11)
if(APPLE)
target_link_libraries(protobuf-mutator)
else()
target_link_libraries(protobuf-mutator ${Protobuf_LIBRARIES})
endif(APPLE)
add_library(libbsd STATIC
third_party/libbsd/src/strlcat.c
third_party/libbsd/src/strlcpy.c)
protobuf_generate_cpp(NET_PROTO_SRCS NET_PROTO_HDRS fuzz/net_fuzzer.proto)
add_executable(
net_fuzzer fuzz/net_fuzzer.cc ${NET_PROTO_SRCS} ${NET_PROTO_HDRS} libxnu_relocatable.o
)
add_dependencies(net_fuzzer bsd)
target_include_directories(net_fuzzer PRIVATE third_party/libprotobuf-mutator)
target_compile_options(
net_fuzzer PRIVATE -g -std=c++11 -Werror -Wno-address-of-packed-member
${FUZZER_CXX_FLAGS}
)
if(APPLE)
target_link_libraries(
net_fuzzer ${FUZZER_LD_FLAGS} $ENV{LIB_FUZZING_ENGINE} protobuf-mutator
${Protobuf_LIBRARIES}
)
else()
target_link_libraries(
net_fuzzer
${FUZZER_LD_FLAGS}
$ENV{LIB_FUZZING_ENGINE}
protobuf-mutator
${Protobuf_LIBRARIES}
pthread
libbsd
)
endif(APPLE)
# if(APPLE) add_executable(net_real fuzz/net_fuzzer.cc ${NET_PROTO_SRCS}
# ${NET_PROTO_HDRS}) target_include_directories(net_real PRIVATE
# libprotobuf-mutator) target_compile_options(net_real PRIVATE -g -std=c++11
# -Wno-address-of-packed-member -Werror) # Notice we don't include libxnu here
# since we use the real kernel. target_link_libraries(net_real fuzzer
# protobuf-mutator ${Protobuf_LIBRARIES}) endif(APPLE)
# Only build coverage builds locally.
if(DEFINED ENV{SANITIZER})
else()
if(NOT APPLE)
add_custom_command(
OUTPUT libxnu_cov_relocatable.o
COMMAND ld.lld -r $<TARGET_OBJECTS:bsd_cov> $<TARGET_OBJECTS:osfmk_cov> -o libxnu_cov_relocatable.o && objcopy --localize-hidden libxnu_cov_relocatable.o
DEPENDS $<TARGET_OBJECTS:bsd_cov> $<TARGET_OBJECTS:osfmk_cov>
COMMAND_EXPAND_LISTS
)
add_executable(
net_cov fuzz/net_fuzzer.cc ${NET_PROTO_SRCS} ${NET_PROTO_HDRS} libxnu_cov_relocatable.o
)
add_dependencies(net_cov bsd_cov)
target_include_directories(net_cov PRIVATE third_party/libprotobuf-mutator)
target_compile_options(
net_cov PRIVATE -g -std=c++11 -Werror -Wno-address-of-packed-member
-fprofile-instr-generate -fcoverage-mapping
)
target_link_libraries(
net_cov
-fsanitize=fuzzer
-fprofile-instr-generate
-fcoverage-mapping
protobuf-mutator
${Protobuf_LIBRARIES}
libbsd
pthread
-Wl,--exclude-libs,ALL
)
endif(NOT APPLE)
endif()