CMakeLists.txt

#
# This file is part of the Pico OpenPGP distribution (https://github.com/polhenarejos/pico-openpgp).
# Copyright (c) 2022 Pol Henarejos.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

cmake_minimum_required(VERSION 3.13)

option(OPENPGP_TEST_INIT_LEGACY_PIN "Bootstrap legacy PIN/DEK format for migration tests" OFF)
option(ENABLE_ADMINLESS_MODE "Enable the non-standard Gnuk-compatible admin-less PIN mode" ON)

set(USB_VID 0x2E8A)
set(USB_PID 0x10FF)

if(ESP_PLATFORM)
    set(EXTRA_COMPONENT_DIRS pico-keys-sdk/config/esp32/components src/openpgp)
    include($ENV{IDF_PATH}/tools/cmake/project.cmake)
else()
    if(NOT ENABLE_EMULATION)
        set(PICO_USE_FASTEST_SUPPORTED_CLOCK 1)
        include(pico_sdk_import.cmake)
    endif()

    project(pico_openpgp C CXX ASM)

    set(CMAKE_C_STANDARD 11)
    set(CMAKE_CXX_STANDARD 17)

    if(NOT DEFINED __FOR_CI)
        set(__FOR_CI 0)
    endif()
    if(__FOR_CI)
        add_definitions(-D__FOR_CI)
    endif()

    add_executable(pico_openpgp)
endif()

set(USB_ITF_CCID 1)
set(USB_ITF_WCID 1)
include(pico-keys-sdk/picokeys_sdk_import.cmake)

if(NOT ESP_PLATFORM)
    set(SOURCES ${PICOKEYS_SOURCES})
endif()
set(SOURCES ${SOURCES}
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/openpgp.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/object_provider.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/key_container.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/files.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/piv.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/management.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_select.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_get_data.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_verify.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_put_data.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_select_data.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_import_data.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_version.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_change_pin.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_mse.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_internal_aut.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_challenge.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_activate_file.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_terminate_df.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_pso.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_keypair_gen.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/cmd_reset_retry.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/do.c
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/defs.c
)

SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/openpgp/version.h")

if(ESP_PLATFORM)
    project(pico_openpgp)
endif()

set(INCLUDES ${INCLUDES}
        ${CMAKE_CURRENT_LIST_DIR}/src/openpgp
)
if(NOT ESP_PLATFORM)
    target_sources(pico_openpgp PUBLIC ${SOURCES})
    target_include_directories(pico_openpgp PUBLIC ${INCLUDES})
    if(OPENPGP_TEST_INIT_LEGACY_PIN)
        target_compile_definitions(pico_openpgp PRIVATE OPENPGP_TEST_INIT_LEGACY_PIN=1)
    endif()
    if(ENABLE_ADMINLESS_MODE)
        target_compile_definitions(pico_openpgp PRIVATE ENABLE_ADMINLESS_MODE=1)
    endif()

    set(COMMON_COMPILE_OPTIONS
        -Wall
    )
    target_compile_options(pico_openpgp PRIVATE ${COMMON_COMPILE_OPTIONS})

    picokeys_apply_strict_flags(
        SOURCES ${SOURCES}
        FILTER_REGEX "/src/openpgp/|/pico-keys-sdk/src/|/pico-keys-sdk/config/"
    )

    if(NOT MSVC)
        string(FIND ${CMAKE_C_COMPILER} ":" COMPILER_COLON)
        if(${COMPILER_COLON} GREATER_EQUAL 0)
            target_compile_options(pico_openpgp PRIVATE
                -Wno-error=use-after-free
            )
        endif()
    endif()

    if(ENABLE_EMULATION)
        enable_testing()
        if(NOT MSVC)
            target_compile_options(pico_openpgp PUBLIC
                -fdata-sections
                -ffunction-sections
            )
        endif()
        if(APPLE)
            target_link_options(pico_openpgp PUBLIC
                -Wl,-dead_strip
            )
        elseif(MSVC)
            target_compile_options(pico_openpgp PUBLIC
                -WX
            )

            target_link_libraries(pico_openpgp PUBLIC wsock32 ws2_32 Bcrypt)
        else()
            target_link_options(pico_openpgp PUBLIC
                -Wl,--gc-sections
            )
        endif(APPLE)
        target_link_libraries(pico_openpgp PRIVATE picokeys_sdk mbedtls pthread m)

        add_executable(openpgp_key_container_test
            ${CMAKE_CURRENT_LIST_DIR}/pico-keys-sdk/src/fs/object_container.c
            ${CMAKE_CURRENT_LIST_DIR}/pico-keys-sdk/src/fs/object_container_store.c
            ${CMAKE_CURRENT_LIST_DIR}/pico-keys-sdk/src/fs/object_policy.c
            ${CMAKE_CURRENT_LIST_DIR}/pico-keys-sdk/src/fs/object_store_txn.c
            ${CMAKE_CURRENT_LIST_DIR}/src/openpgp/key_container.c
            ${CMAKE_CURRENT_LIST_DIR}/tests/openpgp_key_container_test.c
        )
        target_include_directories(openpgp_key_container_test PRIVATE ${INCLUDES})
        if(MSVC)
            target_compile_options(openpgp_key_container_test PRIVATE /W4 /WX)
        else()
            target_compile_options(openpgp_key_container_test PRIVATE -Wall -Wextra -Werror)
        endif()
        target_link_libraries(openpgp_key_container_test PRIVATE mbedtls)
        add_test(NAME openpgp_key_container_test COMMAND openpgp_key_container_test)
    else()
        pico_add_extra_outputs(${CMAKE_PROJECT_NAME})
    endif()
endif()