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32100f5eb7
gnss-sdr/cmake/Modules/GnssSdrCrypto.cmake
Carles Fernandez 49eb854b16
Fix formatting
2024-07-23 16:51:59 +02:00

204 lines
7.6 KiB
CMake
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# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
# This file is part of GNSS-SDR.
#
# SPDX-FileCopyrightText: 2024 C. Fernandez-Prades cfernandez(at)cttc.es
# SPDX-License-Identifier: BSD-3-Clause
################################################################################
# OpenSSL https://www.openssl.org/
################################################################################
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(OPENSSL_ROOT_DIR /usr/local/opt/openssl) # Trick for Homebrew
endif()
unset(OPENSSL_FOUND CACHE)
unset(GnuTLS_FOUND CACHE)
if(NOT ENABLE_GNUTLS)
find_package(OpenSSL)
endif()
set_package_properties(OpenSSL
PROPERTIES
URL "https://www.openssl.org"
PURPOSE "Used for the OSNMA and SUPL protocol implementations."
TYPE REQUIRED
)
if(OPENSSL_FOUND)
set_package_properties(OpenSSL
PROPERTIES
DESCRIPTION "Cryptography and SSL/TLS Toolkit (found: v${OPENSSL_VERSION})"
)
else()
set_package_properties(OpenSSL
PROPERTIES
DESCRIPTION "OpenSSL has not been found, but GnuTLS with openssl compatibility can replace it"
)
################################################################################
# GnuTLS - https://www.gnutls.org/
################################################################################
find_package(GnuTLS)
set_package_properties(GnuTLS PROPERTIES
URL "https://www.gnutls.org/"
PURPOSE "Used for the OSNMA and SUPL protocol implementations."
TYPE REQUIRED
)
if(GnuTLS_FOUND AND GNUTLS_VERSION_STRING)
set_package_properties(GnuTLS PROPERTIES
DESCRIPTION "Transport Layer Security Library (found: v${GNUTLS_VERSION_STRING})"
)
else()
set_package_properties(GnuTLS PROPERTIES
DESCRIPTION "Transport Layer Security Library"
)
endif()
find_library(GNUTLS_OPENSSL_LIBRARY
NAMES gnutls-openssl libgnutls-openssl.so.27
PATHS
/usr/lib
/usr/lib64
/usr/lib/x86_64-linux-gnu
/usr/lib/aarch64-linux-gnu
/usr/lib/arm-linux-gnueabihf
/usr/lib/arm-linux-gnueabi
/usr/lib/i386-linux-gnu
/usr/lib/alpha-linux-gnu
/usr/lib/hppa-linux-gnu
/usr/lib/i386-gnu
/usr/lib/i686-gnu
/usr/lib/i686-linux-gnu
/usr/lib/x86_64-kfreebsd-gnu
/usr/lib/i686-kfreebsd-gnu
/usr/lib/m68k-linux-gnu
/usr/lib/mips-linux-gnu
/usr/lib/mips64el-linux-gnuabi64
/usr/lib/mipsel-linux-gnu
/usr/lib/powerpc-linux-gnu
/usr/lib/powerpc-linux-gnuspe
/usr/lib/powerpc64-linux-gnu
/usr/lib/powerpc64le-linux-gnu
/usr/lib/s390x-linux-gnu
/usr/lib/riscv64-linux-gnu
/usr/lib/sparc64-linux-gnu
/usr/lib/x86_64-linux-gnux32
/usr/lib/sh4-linux-gnu
/usr/lib/loongarch64-linux-gnu
/usr/local/lib
/usr/local/lib64
/opt/local/lib
)
find_path(GNUTLS_INCLUDE_DIR NAMES gnutls/gnutls.h
PATHS
/usr/include
/usr/local/include
/opt/local/include # default location in Macports
/opt/homebrew/opt/gnutls/include/
${GNUTLS_ROOT_DIR}/include/
)
if(NOT GNUTLS_OPENSSL_LIBRARY)
message(" The GnuTLS library with openssl compatibility enabled has not been found.")
message(" You can try to install the required libraries by typing:")
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|kFreeBSD|GNU")
if(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
message(" sudo yum install openssl-devel")
else()
message(" sudo apt-get install libgnutls28-dev")
endif()
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
message(" 'sudo port install openssl3', if you are using Macports, or")
message(" 'brew install openssl', if you are using Homebrew.")
endif()
message(FATAL_ERROR "OpenSSL or the GnuTLS libraries with openssl compatibility are required to build gnss-sdr")
endif()
# Test GnuTLS capabilities
file(READ "${GNUTLS_INCLUDE_DIR}/gnutls/gnutls.h" gnutls_gnutls_file_contents)
if("${gnutls_gnutls_file_contents}" MATCHES "GNUTLS_SIGN_ECDSA_SHA256")
set(GNUTLS_SIGN_ECDSA_SHA256 TRUE)
endif()
if("${gnutls_gnutls_file_contents}" MATCHES "GNUTLS_SIGN_ECDSA_SHA512")
set(GNUTLS_SIGN_ECDSA_SHA512 TRUE)
endif()
if("${gnutls_gnutls_file_contents}" MATCHES "GNUTLS_DIG_SHA3_256")
set(GNUTLS_DIG_SHA3_256 TRUE)
endif()
if("${gnutls_gnutls_file_contents}" MATCHES "#define GNUTLS_VERSION_MAJOR 2")
set(GNUTLS_HMAC_INIT_WITH_DIGEST TRUE)
endif()
if("${gnutls_gnutls_file_contents}" MATCHES "GNUTLS_MAC_AES_CMAC_128")
set(GNUTLS_MAC_AES_CMAC_128 TRUE)
endif()
file(READ "${GNUTLS_INCLUDE_DIR}/gnutls/abstract.h" gnutls_abstract_file_contents)
if("${gnutls_abstract_file_contents}" MATCHES "gnutls_pubkey_export2")
set(GNUTLS_PUBKEY_EXPORT2 TRUE)
endif()
endif()
################################################################################
function(link_to_crypto_dependencies target)
if(OPENSSL_FOUND)
if(TARGET OpenSSL::SSL)
target_link_libraries(${target}
PUBLIC
OpenSSL::SSL
)
if(TARGET OpenSSL::Crypto)
target_link_libraries(${target}
PUBLIC
OpenSSL::Crypto
)
endif()
else()
target_link_libraries(${target}
PUBLIC
${OPENSSL_LIBRARIES}
"${OPENSSL_CRYPTO_LIBRARIES}"
)
target_include_directories(${target}
PUBLIC
${OPENSSL_INCLUDE_DIR}
)
endif()
if(OPENSSL_VERSION)
if(OPENSSL_VERSION VERSION_GREATER "3.0.0")
target_compile_definitions(${target} PUBLIC -DUSE_OPENSSL_3=1)
else()
if(NOT OPENSSL_VERSION VERSION_LESS "1.1.1")
target_compile_definitions(${target} PUBLIC -DUSE_OPENSSL_111=1)
endif()
endif()
endif()
else() # GnuTLS
target_link_libraries(${target}
PUBLIC
${GNUTLS_LIBRARIES}
${GNUTLS_OPENSSL_LIBRARY}
)
target_include_directories(${target}
PUBLIC
${GNUTLS_INCLUDE_DIR}
)
target_compile_definitions(${target} PUBLIC -DUSE_GNUTLS_FALLBACK=1)
if(GNUTLS_SIGN_ECDSA_SHA256)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_SIGN_ECDSA_SHA256=1)
endif()
if(GNUTLS_SIGN_ECDSA_SHA512)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_SIGN_ECDSA_SHA512=1)
endif()
if(GNUTLS_DIG_SHA3_256)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_DIG_SHA3_256=1)
endif()
if(GNUTLS_PUBKEY_EXPORT2)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_PUBKEY_EXPORT2=1)
endif()
if(GNUTLS_HMAC_INIT_WITH_DIGEST)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_HMAC_INIT_WITH_DIGEST=1)
endif()
if(GNUTLS_MAC_AES_CMAC_128)
target_compile_definitions(${target} PRIVATE -DHAVE_GNUTLS_MAC_AES_CMAC_128=1)
endif()
endif()
endfunction()
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