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# - Convert ASN.1 file into C source and header files that can be used to create a wireshark dissector
MACRO(ASN2WRS)
include(LocatePythonModule)
locate_python_module(asn2wrs REQUIRED PATHS ${CMAKE_SOURCE_DIR}/tools)
set( DISSECTOR ${CMAKE_SOURCE_DIR}/epan/dissectors/packet-${PROTOCOL_NAME}.c )
if ( NOT PROTO_OPT )
set( PROTO_OPT -p ${PROTOCOL_NAME} )
elseif ( PROTO_OPT STREQUAL "_EMPTY_" )
set( PROTO_OPT )
endif()
# Backwards compability for build in dissectors,
# set to '_EMPTY_' for out of source dissector builds
if ( NOT A2W_OUTPUT_DIR )
set (A2W_OUTPUT_DIR -O ${CMAKE_SOURCE_DIR}/epan/dissectors)
elseif ( A2W_OUTPUT_DIR STREQUAL "_EMPTY_" )
set( A2W_OUTPUT_DIR )
endif()
# Don't use packet-${PROTOCOL_NAME}.c instead of generate_dissector, it will
# cause EXCLUDE_FROM_ALL to be ignored.
ADD_CUSTOM_TARGET(generate_dissector-${PROTOCOL_NAME} ALL
COMMAND ${PYTHON_EXECUTABLE}
${PY_ASN2WRS}
${A2W_FLAGS}
${PROTO_OPT}
-c ${CMAKE_CURRENT_SOURCE_DIR}/${PROTOCOL_NAME}.cnf
-s ${CMAKE_CURRENT_SOURCE_DIR}/packet-${PROTOCOL_NAME}-template
-D ${CMAKE_CURRENT_SOURCE_DIR}
${A2W_OUTPUT_DIR}
${EXT_ASN_FILE_LIST} ${ASN_FILE_LIST} ${EXT_ASN_FILE_LIST_LATE}
DEPENDS
${PY_ASN2WRS}
${SRC_FILES}
${EXTRA_CNF}
)
foreach( _asn2wrs_export_file IN LISTS EXPORT_FILES )
ADD_CUSTOM_TARGET( ${_asn2wrs_export_file}
WORKING_DIRECTORY .
COMMAND ${PYTHON_EXECUTABLE}
${PY_ASN2WRS}
-E
${A2W_FLAGS}
${PROTO_OPT}
-c ${CMAKE_CURRENT_SOURCE_DIR}/${PROTOCOL_NAME}.cnf
-D ${CMAKE_CURRENT_SOURCE_DIR}
${EXT_ASN_FILE_LIST} ${ASN_FILE_LIST} ${EXT_ASN_FILE_LIST_LATE}
DEPENDS
${PY_ASN2WRS}
${SRC_FILES}
${EXPORT_DEPENDS}
)
endforeach()
ENDMACRO()
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