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+# Copyright (c) 2009, 2012, Oracle and/or its affiliates.
+# Copyright (c) 2011, 2017, MariaDB Corporation
+#
+# 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 2 of the License.
+#
+# 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, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
+
+# We support different versions of SSL:
+# - "bundled" uses source code in <source dir>/extra/wolfssl
+# - "system" (typically) uses headers/libraries in /usr/lib and /usr/lib64
+# - a custom installation of openssl can be used like this
+# - cmake -DCMAKE_PREFIX_PATH=</path/to/custom/openssl> -DWITH_SSL="system"
+# or
+# - cmake -DWITH_SSL=</path/to/custom/openssl>
+#
+# The default value for WITH_SSL is "bundled"
+# set in cmake/build_configurations/feature_set.cmake
+#
+# For custom build/install of openssl, see the accompanying README and
+# INSTALL* files. When building with gcc, you must build the shared libraries
+# (in addition to the static ones):
+# ./config --prefix=</path/to/custom/openssl> --shared; make; make install
+# On some platforms (mac) you need to choose 32/64 bit architecture.
+# Build/Install of openssl on windows is slightly different: you need to run
+# perl and nmake. You might also need to
+# 'set path=</path/to/custom/openssl>\bin;%PATH%
+# in order to find the .dll files at runtime.
+
+SET(WITH_SSL_DOC "bundled (use wolfssl)")
+SET(WITH_SSL_DOC
+ "${WITH_SSL_DOC}, yes (prefer os library if present, otherwise use bundled)")
+SET(WITH_SSL_DOC
+ "${WITH_SSL_DOC}, system (use os library)")
+SET(WITH_SSL_DOC
+ "${WITH_SSL_DOC}, </path/to/custom/installation>")
+
+MACRO (CHANGE_SSL_SETTINGS string)
+ SET(WITH_SSL ${string} CACHE STRING ${WITH_SSL_DOC} FORCE)
+ENDMACRO()
+
+MACRO (MYSQL_USE_BUNDLED_SSL)
+ SET(INC_DIRS
+ ${CMAKE_BINARY_DIR}/extra/wolfssl
+ ${CMAKE_SOURCE_DIR}/extra/wolfssl/wolfssl
+ ${CMAKE_SOURCE_DIR}/extra/wolfssl/wolfssl/wolfssl
+ )
+ SET(SSL_LIBRARIES wolfssl wolfcrypt)
+ SET(SSL_INCLUDE_DIRS ${INC_DIRS})
+ SET(SSL_DEFINES "-DHAVE_OPENSSL -DHAVE_WOLFSSL -DWOLFSSL_USER_SETTINGS")
+ SET(HAVE_ERR_remove_thread_state ON CACHE INTERNAL "wolfssl doesn't have ERR_remove_thread_state")
+ SET(HAVE_EncryptAes128Ctr OFF CACHE INTERNAL "wolfssl does support AES-CTR, but differently from openssl")
+ SET(HAVE_EncryptAes128Gcm OFF CACHE INTERNAL "wolfssl does not support AES-GCM")
+ SET(HAVE_X509_check_host ON CACHE INTERNAL "wolfssl does support X509_check_host")
+ CHANGE_SSL_SETTINGS("bundled")
+ ADD_SUBDIRECTORY(extra/wolfssl)
+ MESSAGE_ONCE(SSL_LIBRARIES "SSL_LIBRARIES = ${SSL_LIBRARIES}")
+ENDMACRO()
+
+# MYSQL_CHECK_SSL
+#
+# Provides the following configure options:
+# WITH_SSL=[yes|bundled|system|<path/to/custom/installation>]
+MACRO (MYSQL_CHECK_SSL)
+ IF(NOT WITH_SSL)
+ IF(WIN32)
+ CHANGE_SSL_SETTINGS("bundled")
+ ELSE()
+ SET(WITH_SSL "yes")
+ ENDIF()
+ ENDIF()
+
+ # See if WITH_SSL is of the form </path/to/custom/installation>
+ FILE(GLOB WITH_SSL_HEADER ${WITH_SSL}/include/openssl/ssl.h)
+ IF (WITH_SSL_HEADER)
+ SET(WITH_SSL_PATH ${WITH_SSL} CACHE PATH "path to custom SSL installation")
+ ENDIF()
+
+ IF(WITH_SSL STREQUAL "bundled")
+ MYSQL_USE_BUNDLED_SSL()
+ # Reset some variables, in case we switch from /path/to/ssl to "bundled".
+ IF (WITH_SSL_PATH)
+ UNSET(WITH_SSL_PATH)
+ UNSET(WITH_SSL_PATH CACHE)
+ ENDIF()
+ IF (OPENSSL_ROOT_DIR)
+ UNSET(OPENSSL_ROOT_DIR)
+ UNSET(OPENSSL_ROOT_DIR CACHE)
+ ENDIF()
+ IF (OPENSSL_INCLUDE_DIR)
+ UNSET(OPENSSL_INCLUDE_DIR)
+ UNSET(OPENSSL_INCLUDE_DIR CACHE)
+ ENDIF()
+ IF (WIN32 AND OPENSSL_APPLINK_C)
+ UNSET(OPENSSL_APPLINK_C)
+ UNSET(OPENSSL_APPLINK_C CACHE)
+ ENDIF()
+ IF (OPENSSL_SSL_LIBRARY)
+ UNSET(OPENSSL_SSL_LIBRARY)
+ UNSET(OPENSSL_SSL_LIBRARY CACHE)
+ ENDIF()
+ ELSEIF(WITH_SSL STREQUAL "system" OR
+ WITH_SSL STREQUAL "yes" OR
+ WITH_SSL_PATH
+ )
+ IF(NOT OPENSSL_ROOT_DIR)
+ IF(WITH_SSL_PATH)
+ SET(OPENSSL_ROOT_DIR ${WITH_SSL_PATH})
+ ENDIF()
+ ENDIF()
+ FIND_PACKAGE(OpenSSL)
+ SET_PACKAGE_PROPERTIES(OpenSSL PROPERTIES TYPE RECOMMENDED)
+ IF(OPENSSL_FOUND)
+ SET(OPENSSL_LIBRARY ${OPENSSL_SSL_LIBRARY})
+ INCLUDE(CheckSymbolExists)
+ SET(SSL_SOURCES "")
+ SET(SSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
+ IF(CMAKE_SYSTEM_NAME MATCHES "SunOS")
+ SET(SSL_LIBRARIES ${SSL_LIBRARIES} ${LIBSOCKET})
+ ENDIF()
+ IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
+ SET(SSL_LIBRARIES ${SSL_LIBRARIES} ${CMAKE_DL_LIBS})
+ ENDIF()
+
+ MESSAGE_ONCE(OPENSSL_INCLUDE_DIR "OPENSSL_INCLUDE_DIR = ${OPENSSL_INCLUDE_DIR}")
+ MESSAGE_ONCE(OPENSSL_SSL_LIBRARY "OPENSSL_SSL_LIBRARY = ${OPENSSL_SSL_LIBRARY}")
+ MESSAGE_ONCE(OPENSSL_CRYPTO_LIBRARY "OPENSSL_CRYPTO_LIBRARY = ${OPENSSL_CRYPTO_LIBRARY}")
+ MESSAGE_ONCE(OPENSSL_VERSION "OPENSSL_VERSION = ${OPENSSL_VERSION}")
+ MESSAGE_ONCE(SSL_LIBRARIES "SSL_LIBRARIES = ${SSL_LIBRARIES}")
+ SET(SSL_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
+ SET(SSL_INTERNAL_INCLUDE_DIRS "")
+ SET(SSL_DEFINES "-DHAVE_OPENSSL")
+
+ SET(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
+ SET(CMAKE_REQUIRED_LIBRARIES ${SSL_LIBRARIES})
+ SET(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
+ CHECK_SYMBOL_EXISTS(ERR_remove_thread_state "openssl/err.h"
+ HAVE_ERR_remove_thread_state)
+ CHECK_SYMBOL_EXISTS(EVP_aes_128_ctr "openssl/evp.h"
+ HAVE_EncryptAes128Ctr)
+ CHECK_SYMBOL_EXISTS(EVP_aes_128_gcm "openssl/evp.h"
+ HAVE_EncryptAes128Gcm)
+ CHECK_SYMBOL_EXISTS(X509_check_host "openssl/x509v3.h"
+ HAVE_X509_check_host)
+ SET(CMAKE_REQUIRED_INCLUDES)
+ SET(CMAKE_REQUIRED_LIBRARIES)
+ ELSE()
+ IF(WITH_SSL STREQUAL "system")
+ MESSAGE(FATAL_ERROR "Cannot find appropriate system libraries for SSL. Use WITH_SSL=bundled to enable SSL support")
+ ENDIF()
+ MYSQL_USE_BUNDLED_SSL()
+ ENDIF()
+ ELSE()
+ MESSAGE(FATAL_ERROR
+ "Wrong option for WITH_SSL. Valid values are: ${WITH_SSL_DOC}")
+ ENDIF()
+ENDMACRO()
+
+
+# Many executables will depend on libeay32.dll and ssleay32.dll at runtime.
+# In order to ensure we find the right version(s), we copy them into
+# the same directory as the executables.
+# NOTE: Using dlls will likely crash in malloc/free,
+# see INSTALL.W32 which comes with the openssl sources.
+# So we should be linking static versions of the libraries.
+MACRO (COPY_OPENSSL_DLLS target_name)
+ IF (WIN32 AND WITH_SSL_PATH)
+ GET_FILENAME_COMPONENT(CRYPTO_NAME "${OPENSSL_CRYPTO_LIBRARY}" NAME_WE)
+ GET_FILENAME_COMPONENT(OPENSSL_NAME "${OPENSSL_SSL_LIBRARY}" NAME_WE)
+ FILE(GLOB HAVE_CRYPTO_DLL "${WITH_SSL_PATH}/bin/${CRYPTO_NAME}.dll")
+ FILE(GLOB HAVE_OPENSSL_DLL "${WITH_SSL_PATH}/bin/${OPENSSL_NAME}.dll")
+ IF (HAVE_CRYPTO_DLL AND HAVE_OPENSSL_DLL)
+ ADD_CUSTOM_COMMAND(OUTPUT ${target_name}
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different
+ "${WITH_SSL_PATH}/bin/${CRYPTO_NAME}.dll"
+ "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${CRYPTO_NAME}.dll"
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different
+ "${WITH_SSL_PATH}/bin/${OPENSSL_NAME}.dll"
+ "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${OPENSSL_NAME}.dll"
+ )
+ ADD_CUSTOM_TARGET(${target_name} ALL)
+ ENDIF()
+ ENDIF()
+ENDMACRO()
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