94f5129bf8
Fixes bug where hardware accelerated mbedtls_mpi API was always used, even when disabled in config.
145 lines
5.4 KiB
CMake
145 lines
5.4 KiB
CMake
idf_build_get_property(idf_target IDF_TARGET)
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idf_build_get_property(python PYTHON)
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idf_component_register(SRCS "esp_crt_bundle/esp_crt_bundle.c"
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INCLUDE_DIRS "port/include" "mbedtls/include" "esp_crt_bundle/include"
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REQUIRES lwip
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PRIV_REQUIRES soc
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)
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if(CONFIG_MBEDTLS_CERTIFICATE_BUNDLE)
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set(bundle_name "x509_crt_bundle")
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set(DEFAULT_CRT_DIR ${COMPONENT_DIR}/esp_crt_bundle)
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# Generate custom certificate bundle using the generate_cert_bundle utility
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set(GENERATE_CERT_BUNDLEPY ${python} ${COMPONENT_DIR}/esp_crt_bundle/gen_crt_bundle.py)
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if(CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_FULL)
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list(APPEND crt_paths ${DEFAULT_CRT_DIR}/cacrt_all.pem)
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elseif(CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN)
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list(APPEND crt_paths ${DEFAULT_CRT_DIR}/cacrt_all.pem)
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list(APPEND args --filter ${DEFAULT_CRT_DIR}/cmn_crt_authorities.csv)
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endif()
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if(CONFIG_MBEDTLS_CUSTOM_CERTIFICATE_BUNDLE)
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get_filename_component(custom_bundle_path
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${CONFIG_MBEDTLS_CUSTOM_CERTIFICATE_BUNDLE_PATH} ABSOLUTE BASE_DIR "${project_dir}")
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list(APPEND crt_paths ${custom_bundle_path})
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endif()
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list(APPEND args --input ${crt_paths} -q)
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get_filename_component(crt_bundle
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${bundle_name}
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ABSOLUTE BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}")
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# Generate bundle according to config
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add_custom_command(OUTPUT ${crt_bundle}
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COMMAND ${GENERATE_CERT_BUNDLEPY} ${args}
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DEPENDS ${custom_bundle_path}
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VERBATIM)
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add_custom_target(custom_bundle DEPENDS ${cert_bundle})
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add_dependencies(${COMPONENT_LIB} custom_bundle)
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target_add_binary_data(${COMPONENT_LIB} ${crt_bundle} BINARY)
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
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"${crt_bundle}")
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endif()
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# Only build mbedtls libraries
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set(ENABLE_TESTING CACHE BOOL OFF)
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set(ENABLE_PROGRAMS CACHE BOOL OFF)
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# Needed to for include_next includes to work from within mbedtls
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include_directories("${COMPONENT_DIR}/port/include")
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# Import mbedtls library targets
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add_subdirectory(mbedtls)
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# Use port specific implementation of net_socket.c instead of one from mbedtls
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get_target_property(src_tls mbedtls SOURCES)
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list(REMOVE_ITEM src_tls net_sockets.c)
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set_property(TARGET mbedtls PROPERTY SOURCES ${src_tls})
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set(mbedtls_targets mbedtls mbedcrypto mbedx509)
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set(mbedtls_target_sources "${COMPONENT_DIR}/port/mbedtls_debug.c"
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"${COMPONENT_DIR}/port/net_sockets.c")
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if(CONFIG_MBEDTLS_DYNAMIC_BUFFER)
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set(mbedtls_target_sources ${mbedtls_target_sources}
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"${COMPONENT_DIR}/port/dynamic/esp_mbedtls_dynamic_impl.c"
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"${COMPONENT_DIR}/port/dynamic/esp_ssl_cli.c"
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"${COMPONENT_DIR}/port/dynamic/esp_ssl_srv.c"
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"${COMPONENT_DIR}/port/dynamic/esp_ssl_tls.c")
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endif()
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# Add port files to mbedtls targets
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target_sources(mbedtls PRIVATE ${mbedtls_target_sources})
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target_sources(mbedcrypto PRIVATE "${COMPONENT_DIR}/port/esp_hardware.c"
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"${COMPONENT_DIR}/port/esp_mem.c"
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"${COMPONENT_DIR}/port/esp_timing.c"
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"${COMPONENT_DIR}/port/esp_sha.c"
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"${COMPONENT_DIR}/port/esp_aes_xts.c"
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"${COMPONENT_DIR}/port/${idf_target}/aes.c"
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"${COMPONENT_DIR}/port/${idf_target}/sha.c"
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)
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# Note: some mbedTLS hardware acceleration can be enabled/disabled by config.
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#
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# We don't need to filter aes.c as this uses a different prefix (esp_aes_x) and the
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# config option only changes the prefixes in the header so mbedtls_aes_x compiles to esp_aes_x
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#
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# The other port-specific files don't override internal mbedTLS functions, they just add new functions.
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if(CONFIG_MBEDTLS_HARDWARE_MPI)
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target_sources(mbedcrypto PRIVATE "${COMPONENT_DIR}/port/esp_bignum.c"
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"${COMPONENT_DIR}/port/${idf_target}/bignum.c"
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)
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endif()
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if(CONFIG_MBEDTLS_HARDWARE_SHA)
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target_sources(mbedcrypto PRIVATE "${COMPONENT_DIR}/port/${idf_target}/esp_sha1.c"
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"${COMPONENT_DIR}/port/${idf_target}/esp_sha256.c"
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"${COMPONENT_DIR}/port/${idf_target}/esp_sha512.c"
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)
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endif()
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foreach(target ${mbedtls_targets})
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target_compile_definitions(${target} PUBLIC -DMBEDTLS_CONFIG_FILE="mbedtls/esp_config.h")
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endforeach()
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if(CONFIG_MBEDTLS_DYNAMIC_BUFFER)
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set(WRAP_FUNCTIONS
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mbedtls_ssl_handshake_client_step
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mbedtls_ssl_handshake_server_step
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mbedtls_ssl_read
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mbedtls_ssl_write
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mbedtls_ssl_session_reset
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mbedtls_ssl_free
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mbedtls_ssl_setup
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mbedtls_ssl_send_alert_message
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mbedtls_ssl_close_notify)
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foreach(wrap ${WRAP_FUNCTIONS})
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target_link_libraries(${COMPONENT_LIB} INTERFACE "-Wl,--wrap=${wrap}")
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endforeach()
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endif()
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set_property(TARGET mbedcrypto APPEND PROPERTY LINK_INTERFACE_LIBRARIES mbedtls)
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# Link mbedtls libraries to component library
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target_link_libraries(${COMPONENT_LIB} PUBLIC ${mbedtls_targets})
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# Link esp-cryptoauthlib to mbedtls
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if(CONFIG_ATCA_MBEDTLS_ECDSA)
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idf_component_get_property(cryptoauthlib esp-cryptoauthlib COMPONENT_LIB)
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target_link_libraries(${COMPONENT_LIB} PUBLIC ${cryptoauthlib})
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endif()
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