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#
# - Find pcap and winpcap
# Find the native PCAP includes and library
#
# PCAP_INCLUDE_DIRS - where to find pcap.h, etc.
# PCAP_LIBRARIES - List of libraries when using pcap.
# PCAP_FOUND - True if pcap found.
include( FindWSWinLibs )
FindWSWinLibs( "WpdPack" "PCAP_HINTS" )
find_path( PCAP_INCLUDE_DIR
NAMES
pcap/pcap.h
pcap.h
HINTS
"${PCAP_HINTS}/include"
)
find_library( PCAP_LIBRARY
NAMES
pcap
wpcap
HINTS
"${PCAP_HINTS}/lib"
)
include( FindPackageHandleStandardArgs )
find_package_handle_standard_args( PCAP DEFAULT_MSG PCAP_INCLUDE_DIR PCAP_LIBRARY )
if( PCAP_FOUND )
set( PCAP_INCLUDE_DIRS ${PCAP_INCLUDE_DIR} )
set( PCAP_LIBRARIES ${PCAP_LIBRARY} )
else()
set( PCAP_INCLUDE_DIRS )
set( PCAP_LIBRARIES )
endif()
#Functions
include( CMakePushCheckState )
include( CheckFunctionExists )
include( CheckVariableExists )
cmake_push_check_state()
set( CMAKE_REQUIRED_INCLUDES ${PCAP_INCLUDE_DIRS} )
set( CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARIES} )
check_function_exists( "pcap_open_dead" HAVE_PCAP_OPEN_DEAD )
check_function_exists( "pcap_freecode" HAVE_PCAP_FREECODE )
#
# Note: for pcap_breakloop() and pcap_findalldevs(), the autoconf script
# checks for more than just whether the function exists, it also checks
# for whether pcap.h declares it; Mac OS X software/security updates can
# update libpcap without updating the headers.
#
check_function_exists( "pcap_breakloop" HAVE_PCAP_BREAKLOOP )
# FIXME: The code (at least) in dumpcap assumes that PCAP_CREATE is not
# available on Windows
if( NOT WIN32 )
check_function_exists( "pcap_create" HAVE_PCAP_CREATE )
endif()
check_function_exists( "pcap_datalink_name_to_val" HAVE_PCAP_DATALINK_NAME_TO_VAL )
check_function_exists( "pcap_datalink_val_to_description" HAVE_PCAP_DATALINK_VAL_TO_DESCRIPTION )
check_function_exists( "pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME )
check_function_exists( "pcap_findalldevs" HAVE_PCAP_FINDALLDEVS )
check_function_exists( "pcap_free_datalinks" HAVE_PCAP_FREE_DATALINKS )
check_function_exists( "pcap_get_selectable_fd" HAVE_PCAP_GET_SELECTABLE_FD )
check_function_exists( "pcap_lib_version" HAVE_PCAP_LIB_VERSION )
check_function_exists( "pcap_list_datalinks" HAVE_PCAP_LIST_DATALINKS )
check_function_exists( "pcap_set_datalink" HAVE_PCAP_SET_DATALINK )
check_function_exists( "bpf_image" HAVE_BPF_IMAGE )
# Remote pcap checks
check_function_exists( "pcap_open" H_PCAP_OPEN )
check_function_exists( "pcap_findalldevs_ex" H_FINDALLDEVS_EX )
check_function_exists( "pcap_createsrcstr" H_CREATESRCSTR )
if( H_PCAP_OPEN AND H_FINDALLDEVS_EX AND H_CREATESRCSTR )
set( HAVE_PCAP_REMOTE 1 )
set( HAVE_REMOTE 1 )
endif()
cmake_pop_check_state()
mark_as_advanced( PCAP_LIBRARIES PCAP_INCLUDE_DIRS )
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