cmake_minimum_required( VERSION 2.8.8 )
project( pcap )
#
# Call the library "wpcap" on Windows, for backwards compatibility.
#
if( WIN32 )
set( LIBRARY_NAME wpcap )
else()
set( LIBRARY_NAME pcap )
endif()
###################################################################
# Parameters
###################################################################
option (INET6 "Enable IPv6" ON)
if( MSVC )
option (USE_STATIC_RT "Use static Runtime" ON)
endif( MSVC )
option (BUILD_SHARED_LIBS "Build shared libraries" ON)
if( WIN32 )
set(PACKET_DLL_DIR "" CACHE PATH "Path to directory with include and lib subdirectories for packet.dll")
endif( WIN32 )
#
# XXX - this should be an option, defaulting to "yes" for Windows and to
# "no", for now, on UN*X.
#
if( WIN32 )
set( HAVE_REMOTE 1 )
endif( WIN32 )
######################################
# Project settings
######################################
add_definitions( -DHAVE_CONFIG_H )
include_directories(
${CMAKE_CURRENT_BINARY_DIR}
${pcap_SOURCE_DIR}
)
if( WIN32 )
if( NOT "${PACKET_DLL_DIR}" STREQUAL "" )
include_directories("${PACKET_DLL_DIR}/Include")
if( CMAKE_CL_64 )
link_directories("${PACKET_DLL_DIR}/Lib/x64")
else( CMAKE_CL_64 )
link_directories("${PACKET_DLL_DIR}/Lib")
endif( CMAKE_CL_64 )
endif()
include_directories(
../Common/
Win32/Include
)
endif( WIN32)
add_definitions( -DBUILDING_PCAP )
if( MSVC )
add_definitions( -D__STDC__ )
add_definitions( -D_CRT_SECURE_NO_WARNINGS )
add_definitions( "-D_U_=" )
elseif( CMAKE_COMPILER_IS_GNUCXX )
add_definitions( "-D_U_=__attribute__((unused))" )
else(MSVC)
add_definitions( "-D_U_=" )
endif( MSVC )
if( MSVC )
if (USE_STATIC_RT)
MESSAGE( STATUS "Use STATIC runtime" )
set(NAME_RT MT)
set (CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /MT")
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /MT")
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
set (CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} /MT")
set (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} /MT")
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
else (USE_STATIC_RT)
MESSAGE( STATUS "Use DYNAMIC runtime" )
set(NAME_RT MD)
set (CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /MD")
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /MD")
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MD")
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MDd")
set (CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} /MD")
set (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} /MD")
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MD")
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MDd")
endif (USE_STATIC_RT)
endif( MSVC )
###################################################################
# Detect available platform features
###################################################################
include(CheckIncludeFile)
include(CheckFunctionExists)
include(CheckStructHasMember)
include(CheckTypeSize)
#
# Header files.
#
check_include_file( inttypes.h HAVE_INTTYPES_H )
check_include_file( stdint.h HAVE_STDINT_H )
check_include_file( unistd.h HAVE_UNISTD_H )
if( NOT HAVE_UNISTD_H )
add_definitions( -DYY_NO_UNISTD_H )
endif( NOT HAVE_UNISTD_H )
check_include_file( bitypes.h HAVE_SYS_BITYPES_H )
check_include_file( limits.h HAVE_LIMITS_H )
#
# Functions.
#
check_function_exists( strerror HAVE_STRERROR )
check_function_exists( strlcpy HAVE_STRLCPY )
check_function_exists( snprintf HAVE_SNPRINTF )
check_function_exists( vsnprintf HAVE_VSNPRINTF )
check_function_exists( strtok_r HAVE_STRTOK_R )
if (WIN32)
#
# Check for Windows-only functions, such as packet.dll functions.
#
check_function_exists( PacketIsLoopbackAdapter HAVE_PACKET_IS_LOOPBACK_ADAPTER )
endif()
#
# Data types.
#
# XXX - there's no check_struct() macro that's like check_struct_has_member()
# except that it only checks for the existence of the structure type,
# so we use check_struct_has_member() and look for ss_family.
#
check_struct_has_member("struct sockaddr_storage" ss_family sys/socket.h HAVE_SOCKADDR_STORAGE)
set(CMAKE_EXTRA_INCLUDE_FILES unistd.h sys/socket.h)
check_type_size("socklen_t" SOCKLEN_T)
set(CMAKE_EXTRA_INCLUDE_FILES unistd.h)
#
# Structure fields.
#
check_struct_has_member("struct sockaddr" sa_len sys/socket.h HAVE_SOCKADDR_SA_LEN )
if( INET6 )
MESSAGE( STATUS "Use IPv6" )
endif( INET6 )
if( WIN32 )
add_definitions( -DHAVE_ADDRINFO )
endif( WIN32 )
######################################
# External dependencies
######################################
######################################
# Input files
######################################
set(PROJECT_SOURCE_LIST_C
bpf_dump.c
bpf_image.c
etherent.c
fad-helpers.c
gencode.c
inet.c
nametoaddr.c
optimize.c
pcap-common.c
pcap.c
savefile.c
sf-pcap-ng.c
sf-pcap.c
bpf/net/bpf_filter.c
)
if( WIN32 )
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} missing/win_snprintf.c )
else()
if( NOT HAVE_SNPRINTF )
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} missing/snprintf.c )
endif( NOT HAVE_SNPRINTF )
if( NOT HAVE_STRTOK_R )
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} missing/strtok_r.c )
endif( NOT HAVE_STRTOK_R )
endif( WIN32 )
if( HAVE_REMOTE )
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C}
pcap-new.c pcap-rpcap.c sockutils.c)
endif( HAVE_REMOTE )
#
# Determine the main pcap-XXX.c file to use.
#
if( WIN32 )
#
# WinPcap.
#
set( PCAP_TYPE win32 )
else()
#
# UN*X - figure out what type of packet capture mechanism we
# have.
#
if( EXISTS /dev/bpf )
#
# Cloning BPF device.
#
set( PCAP_TYPE bpf )
AC_DEFINE(HAVE_CLONING_BPF,1,[define if you have a cloning BPF device])
elseif( EXISTS /dev/bpf0 )
set( PCAP_TYPE bpf )
#
# XXX - many more BPF checks.
#
elseif( EXISTS /usr/include/net/pfilt.h )
#
# DEC OSF/1, Digital UNIX, Tru64 UNIX
#
set( PCAP_TYPE pf )
elseif( EXISTS /dev/enet )
set( PCAP_TYPE enet )
elseif( EXISTS /dev/nit )
set( PCAP_TYPE snit )
elseif( EXISTS /usr/include/sys/net/nit.h )
set( PCAP_TYPE nit )
elseif( EXISTS /usr/include/linux/socket.h )
set( PCAP_TYPE linux )
#
# Do we have the wireless extensions?
#
check_include_file( linux/wireless.h HAVE_LINUX_WIRELESS_H )
#
# XXX - many more Linux checks.
#
elseif( EXISTS /usr/include/net/raw.h )
set( PCAP_TYPE snoop )
elseif( EXISTS /usr/include/odmi.h )
#
# On AIX, the BPF devices might not yet be present - they're
# created the first time libpcap runs after booting.
# We check for odmi.h instead.
#
set( PCAP_TYPE bpf )
elseif( /usr/include/sys/dlpi.h )
set( PCAP_TYPE dlpi )
#
# XXX - many more DLPI checks.
#
else()
set( PCAP_TYPE null )
endif()
endif( WIN32 )
message(STATUS "Packet capture mechanism type: ${PCAP_TYPE}")
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} pcap-${PCAP_TYPE}.c)
#
# Now figure out how we get a list of interfaces and addresses,
# if we support capturing. Don't bother if we don't support
# capturing.
#
if( NOT WIN32 )
#
# UN*X - figure out what type of interface list mechanism we
# have.
#
if( ${PCAP_TYPE} STREQUAL "null" )
#
# We can't capture, so we can't open any capture
# devices, so we won't return any interfaces.
#
set( FINDALLDEVS_TYPE null )
else()
check_function_exists( getifaddrs HAVE_GETIFADDRS )
if( ${HAVE_GETIFADDRS} )
#
# We have "getifaddrs()"; make sure we have <ifaddrs.h>
# as well, just in case some platform is really weird.
#
check_include_file( ifaddrs.h HAVE_IFADDRS_H )
if( ${HAVE_IFADDRS_H} )
#
# We have the header, so we use "getifaddrs()" to
# get the list of interfaces.
#
set( FINDALLDEVS_TYPE getad )
else()
#
# We don't have the header - give up.
# XXX - we could also fall back on some other
# mechanism, but, for now, this'll catch this
# problem so that we can at least try to figure
# out something to do on systems with "getifaddrs()"
# but without "ifaddrs.h", if there is something
# we can do on those systems.
#
message(FATAL_ERROR "Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>." )
endif()
else()
#
# Well, we don't have "getifaddrs()", so we have to use
# some other mechanism; determine what that mechanism is.
#
# The first thing we use is the type of capture mechanism,
# which is somewhat of a proxy for the OS we're using.
#
if( ${PCAP_TYPE} STREQUAL "dlpi" OR ${PCAP_TYPE} STREQUAL "libdlpi" )
#
# This might be Solaris 8 or later, with
# SIOCGLIFCONF, or it might be some other OS
# or some older version of Solaris, with
# just SIOCGIFCONF.
#
try_compile( HAVE_SIOCGLIFCONF ${CMAKE_CURRENT_BINARY_DIR} "${pcap_SOURCE_DIR}/config/have_siocglifconf.c" )
message( STATUS "HAVE_SIOCGLIFCONF = ${HAVE_SIOCGLIFCONF}" )
if( HAVE_SIOCGLIFCONF )
set( FINDALLDEVS_TYPE glifc )
else()
set( FINDALLDEVS_TYPE gifc )
endif()
else()
#
# Assume we just have SIOCGIFCONF.
# (XXX - on at least later Linux kernels, there's
# another mechanism, and we should be using that
# instead.)
#
set( FINDALLDEVS_TYPE gifc )
endif()
endif()
endif()
message(STATUS "Find-interfaces mechanism type: ${FINDALLDEVS_TYPE}")
set( PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} fad-${FINDALLDEVS_TYPE}.c )
endif()
file(GLOB PROJECT_SOURCE_LIST_CORE_H
*.h
pcap/*.h
)
set( PROJECT_SOURCE_LIST_H ${PROJECT_SOURCE_LIST_H} ${PROJECT_SOURCE_LIST_CORE_H} )
if( WIN32 )
file(GLOB PROJECT_SOURCE_LIST_WIN32_H
Win32/Include/*.h
)
set( PROJECT_SOURCE_LIST_H ${PROJECT_SOURCE_LIST_H} ${PROJECT_SOURCE_LIST_WIN32_H} )
endif( WIN32 )
#
# {Flex} and YACC/Berkeley YACC/Bison.
# From a mail message to the CMake mailing list by Andy Cedilnik of
# Kitware.
#
#
# Try to find Flex, a Windows version of Flex, or Lex.
#
find_program(LEX_EXECUTABLE NAMES flex win_flex lex)
if( ${LEX_EXECUTABLE} STREQUAL "LEX_EXECUTABLE-NOTFOUND" )
message(FATAL_ERROR "Neither flex nor win_flex nor lex was found." )
endif()
message(STATUS "Lexical analyzer generator: ${LEX_EXECUTABLE}")
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/scanner.c ${CMAKE_CURRENT_BINARY_DIR}/scanner.h
SOURCE ${pcap_SOURCE_DIR}/scanner.l
COMMAND ${LEX_EXECUTABLE} -P pcap_ --header-file=scanner.h --nounput -o${CMAKE_CURRENT_BINARY_DIR}/scanner.c ${pcap_SOURCE_DIR}/scanner.l
DEPENDS ${pcap_SOURCE_DIR}/scanner.l
)
#
# Since scanner.c does not exist yet when cmake is run, mark
# it as generated.
#
# Since scanner.c includes grammar.h, mark that as a dependency.
#
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/scanner.c PROPERTIES
GENERATED TRUE
OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/scanner.h
)
#
# Add scanner.c to the list of sources.
#
#set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} ${CMAKE_CURRENT_BINARY_DIR}/scanner.c)
#
# Try to find YACC or Bison.
#
find_program(YACC_EXECUTABLE NAMES bison win_bison byacc yacc)
if( ${YACC_EXECUTABLE} STREQUAL "YACC_EXECUTABLE-NOTFOUND" )
message(FATAL_ERROR "Neither bison nor win_bison nor byacc nor yacc was found." )
endif()
message(STATUS "Parser generator: ${YACC_EXECUTABLE}")
#
# Create custom command for the scanner.
# Find out whether it's Bison or notby looking at the last component
# of the path (without a .exe extension, if this is Windows).
#
get_filename_component(YACC_NAME ${YACC_EXECUTABLE} NAME_WE)
if( "${YACC_NAME}" STREQUAL "bison" OR "${YACC_NAME}" STREQUAL "win_bison" )
set( YACC_COMPATIBILITY_FLAG "-y" )
endif()
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/grammar.c ${CMAKE_CURRENT_BINARY_DIR}/grammar.h
SOURCE ${pcap_SOURCE_DIR}/grammar.y
COMMAND ${YACC_EXECUTABLE} ${YACC_COMPATIBILITY_FLAG} -p pcap_ -o ${CMAKE_CURRENT_BINARY_DIR}/grammar.c -d ${pcap_SOURCE_DIR}/grammar.y
DEPENDS ${pcap_SOURCE_DIR}/grammar.y
)
#
# Since grammar.c does not exists yet when cmake is run, mark
# it as generated.
#
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/grammar.c PROPERTIES
GENERATED TRUE
)
#
# Add grammar.c to the list of sources.
#
#set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} ${CMAKE_CURRENT_BINARY_DIR}/grammar.c)
if( WIN32 )
#
# CMake does not love Windows.
#
file(TO_NATIVE_PATH "${pcap_SOURCE_DIR}/GenVersion.bat" GenVersion_path)
file(TO_NATIVE_PATH "${pcap_SOURCE_DIR}/VERSION" VERSION_path)
file(TO_NATIVE_PATH "${pcap_SOURCE_DIR}/pcap_version.h.in" version_h_in_path)
file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h" version_h_path)
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h
SOURCE ${pcap_SOURCE_DIR}/VERSION ${pcap_SOURCE_DIR}/pcap_version.h.in
COMMAND ${GenVersion_path} ${VERSION_path} ${version_h_in_path} ${version_h_path}
DEPENDS ${pcap_SOURCE_DIR}/VERSION ${pcap_SOURCE_DIR}/pcap_version.h.in
)
else( WIN32 )
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/version.c
SOURCE ${pcap_SOURCE_DIR}/VERSION
COMMAND ${pcap_SOURCE_DIR}/gen_version_c.sh ${pcap_SOURCE_DIR}/VERSION ${CMAKE_CURRENT_BINARY_DIR}/version.c
DEPENDS ${pcap_SOURCE_DIR}/VERSION
)
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h
SOURCE ${pcap_SOURCE_DIR}/VERSION
COMMAND ${pcap_SOURCE_DIR}/gen_version_header.sh ${pcap_SOURCE_DIR}/VERSION ${pcap_SOURCE_DIR}/pcap_version.h.in ${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h
DEPENDS ${pcap_SOURCE_DIR}/VERSION
)
#
# Since version.c does not exists yet when cmake is run, mark
# it as generated.
#
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/version.c PROPERTIES
GENERATED TRUE
)
#
# Add version.c to the list of sources.
#
set(PROJECT_SOURCE_LIST_C ${PROJECT_SOURCE_LIST_C} ${CMAKE_CURRENT_BINARY_DIR}/version.c)
endif( WIN32 )
#
# Since pcap_version.h does not exists yet when cmake is run, mark
# it as generated.
#
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h PROPERTIES
GENERATED TRUE
)
#
# Add pcap_version.h to the list of headers.
#
set(PROJECT_SOURCE_LIST_H ${PROJECT_SOURCE_LIST_H} ${CMAKE_CURRENT_BINARY_DIR}/pcap_version.h)
source_group("Source Files" FILES ${PROJECT_SOURCE_LIST_C})
source_group("Header Files" FILES ${PROJECT_SOURCE_LIST_H})
######################################
# Register targets
######################################
add_library(${LIBRARY_NAME}
${PROJECT_SOURCE_LIST_C}
${CMAKE_CURRENT_BINARY_DIR}/grammar.c
${CMAKE_CURRENT_BINARY_DIR}/scanner.c
${PROJECT_SOURCE_LIST_H}
)
if( WIN32 )
target_link_libraries ( ${LIBRARY_NAME}
packet
ws2_32
)
endif( WIN32 )
######################################
# Write out the config.h file
######################################
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmakeconfig.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)