Commit 29f4f70b authored by Brad King's avatar Brad King

Add undocumented option to sign CMake's own binaries on Windows

parent 1069a3f0
......@@ -822,4 +822,10 @@ if(NOT CMake_TEST_EXTERNAL_CMAKE)
# Install auxiliary files integrating with other tools.
add_subdirectory(Auxiliary)
# Optionally sign installed binaries.
if(CMake_INSTALL_SIGNTOOL)
configure_file(Source/CMakeInstallSignTool.cmake.in Source/CMakeInstallSignTool.cmake @ONLY)
install(SCRIPT ${CMAKE_CURRENT_BINARY_DIR}/Source/CMakeInstallSignTool.cmake)
endif()
endif()
# The signtool. Default to PATH.
set(CMake_INSTALL_SIGNTOOL "@CMake_INSTALL_SIGNTOOL@")
if(NOT CMake_INSTALL_SIGNTOOL)
set(CMake_INSTALL_SIGNTOOL signtool)
endif()
# Select a certificate by Subject Name. Default to automatic selection.
set(CMake_INSTALL_SIGNTOOL_SUBJECT_NAME "@CMake_INSTALL_SIGNTOOL_SUBJECT_NAME@")
if(CMake_INSTALL_SIGNTOOL_SUBJECT_NAME)
set(select_cert -n "${CMake_INSTALL_SIGNTOOL_SUBJECT_NAME}")
else()
set(select_cert -a)
endif()
# Timestamp URL. Default to a common provider.
set(CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL "@CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL@")
if(NOT CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL)
set(CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL "http://timestamp.digicert.com")
endif()
# Glob files that need a signature.
file(GLOB files "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/*.exe")
# Sign all files at once.
if(files)
# Run the signtool through 'cmd /c' to enable password prompt popup.
# Some providers have trouble when signtool is invoked with SW_HIDE.
set(cmd cmd /c "${CMake_INSTALL_SIGNTOOL}" sign -v ${select_cert})
# Sign with SHA-1 for Windows 7 and below.
execute_process(
COMMAND ${cmd} -t "${CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL}" ${files}
RESULT_VARIABLE result
ERROR_VARIABLE stderr
)
if(NOT result EQUAL 0)
string(REPLACE "\n" "\n " stderr " ${stderr}")
message(WARNING "signtool failed:\n${stderr}")
endif()
# Sign with SHA-256 for Windows 8 and above.
execute_process(
COMMAND ${cmd} -tr "${CMake_INSTALL_SIGNTOOL_TIMESTAMP_URL}" -fd sha256 -td sha256 -as ${files}
RESULT_VARIABLE result
ERROR_VARIABLE stderr
)
if(NOT result EQUAL 0)
string(REPLACE "\n" "\n " stderr " ${stderr}")
message(WARNING "signtool failed:\n${stderr}")
endif()
endif()
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